CN1840361A - Multi-refill writing instrument - Google Patents

Abstract

A multi-refill writing instrument includes a barrel, writing bodies accommodated in the barrel so as to be movable back and forth, elastic bodies urging the writing bodes backward, operating bodies connected to rear ends of the corresponding writing bodies and window holes formed in a side wall of the barrel so as to extend in the axial direction. The operating bodies protrude from the barrel to an outside through the window holes in the radial direction, one of the operating bodies slides forward along the window hole so that a nib of the writing body connected to the one operating body protrudes from the barrel through a front hole, and a nib of another writing body in a protruding state is retracted into the barrel, and the writing bodies and the operating bodes are pulled out from the barrel and inserted into the barrel.

Description

Multi-refill writing instrument

Technical field

The present invention relates to a kind of multi-refill writing instrument.In detail, relate to a kind of multi-refill writing instrument of in beam barrel, accommodating a plurality of scripts.

Background technology

In the existing this writing implement, disclose following structure in the patent documentation 1: the rear portion in each script connects the slide mass that protrusion is set, protrusion is protruded to the outside of beam barrel, protrusion is installed on the slide mass in the mode that can freely load and unload, thus, when being replaced with the script that the user likes, can not select script mistakenly, in addition, can also select the shape and the decorative pattern of protrusion.

Patent documentation 1 spy opens the 2003-11583 communique

Summary of the invention

Aforementioned existing multi-refill writing instrument, when before the user is replaced with and changes, being contained in the different types of script of script in the beam barrel, so that slide mass is stayed the state in the beam barrel, pull down script and protrusion from slide mass, afterwards, new script and new protrusion are installed on slide mass.Therefore, the replacing complicated operation of script, sometimes the user can't carry out changing rapidly and reliably, and, change at the same time under the situation of a plurality of scripts, sometimes can mistakenly script and not corresponding with this script protrusion be installed on the slide mass.In addition, because aforementioned protrusion is a widget, lose easily.

The present invention proposes in order to solve aforementioned existing issue point, its purpose is to provide a kind of multi-refill writing instrument, script and the operating body corresponding with it that it can easily be liked the user change in the beam barrel, and, can be rapidly and change script and operating body reliably.In addition, in the present invention, " preceding " is meant the nib side, and " back " is meant opposition side.

[1] main points of the present invention are (technical scheme 1): a kind of multi-refill writing instrument, it accommodates a plurality of scripts 6 in the mode that can move up in front and back in beam barrel 2, utilize elastomer 8 with aforementioned each script 6 pretension rearward, rear end in aforementioned each script 6 links and each script 6 corresponding operating bodies 7, run through in beam barrel 2 sidewall upper edges footpaths direction and to be arranged on the upwardly extending a plurality of fenestras 41 in front and back, aforementioned each operating body 7 is protruded from aforementioned each fenestra 41 radius vector directions outside, by an operating body 7 is forwards slided along fenestra 41, the nib 61 that is attached at the script 6 on this operating body 7 is protruded from the front aperture 31 of beam barrel 2, the nib 61 of other scripts 6 that before had been in the protrusion state is submerged in the beam barrel 2, the constituted mode of this multi-refill writing instrument is script 6 and operating body 7 can be pulled down and can be inserted in the beam barrel 2 in beam barrel 2.

Aforementioned multi-refill writing instrument 1 (technical scheme 1), the user can pull down the script 6 in the beam barrel 2 and be replaced with the script of liking 6, simultaneously operating body 7 also can be pulled down in beam barrel 2, is replaced with to be suitable for this script 6, can prevent binding wrong between script 6 and the operating body 7.The structure of changing if operating body 7 can not be pulled down in the beam barrel 2, the kind of the script 6 that then can change only limit to be housed in beam barrel 2 in the corresponding script 6 of operating body 7, can not freely change the script 6 that the user likes.In addition, aforementioned multi-refill writing instrument 1 (technical scheme 1) does not need to change existing this widget, thereby can be rapidly and change operation reliably.

In addition, in the present invention, the operating body 7 corresponding with script 6 preferably has the operating body 7 that the identification corresponding with script 6 shows.Aforementioned identification shows for example can enumerate ink color demonstration, the demonstration of nib size, the demonstration of person's handwriting width, the demonstration of nib kind etc.In addition, in the present invention, script 6 for example can be enumerated ball pen, marker pen, propelling pencil etc.In addition, in the present invention, beam barrel 2 also can be by constituting with the lower part: front axle 3, the front aperture 31 that its nib 61 with script 6 can protrude; And rear axle 4, it has fenestra 41 on sidewall and the rear end has peristome 42.In addition, aforementioned rear axle 4 constitutes in the mode that can move up in front and back with respect to aforementioned front axle 3, adopts propelling pencil as script 6, utilizes advancing of aforementioned rear axle 4 that lead for retractable pencil can be passed in and out.In addition, in the present invention, be contained in the radical of the script 6 in the beam barrel 2, so long as get final product more than 2 or 2, specifically, can enumerate 2,3,4,5,6 etc.In addition, in the present invention, script and be attached at the operating body of the rear end of this script also can be made of 1 parts that both form one.

[2] in aforementioned multi-refill writing instrument (technical scheme 1), optimal way is (technical scheme 2): its constituted mode is, each script 6 can be removed replacing in beam barrel 2, be provided with simultaneously and make the fenestra 41 switching peristome 42 freely of opening rearward in the rear end of beam barrel 2, can pass through aforementioned peristome 42, operating body 7 is pulled down and can be inserted in the beam barrel 2 in beam barrel 2.

In addition, in aforementioned multi-refill writing instrument 1 (technical scheme 2), the peristome 42 of the rear end that each script 6 can be by beam barrel 2 is changed, and the peristome to the front openings of beam barrel 2 perhaps also can be set, and changes by this peristome.The peristome 42 of the rear end of aforementioned beam barrel 2 is as long as be at least when operating body 7 is pulled down in beam barrel 2 and opening when inserting operating body 7 in the beam barrels 2.

[3] in aforementioned multi-refill writing instrument 1 (technical scheme 2), optimal way is (technical scheme 3): its constituted mode is, can pass through aforementioned peristome 42, and script 6 and operating body 7 are pulled down and can be inserted in the beam barrel 2 in beam barrel 2.

Aforementioned multi-refill writing instrument 1 (technical scheme 3), because script 6 and operating body 7 these two parts can be changed by a position (being peristome 42), so it is simple that the replacing of script 6 and operating body 7 operation becomes, can be rapidly and carry out this replacings reliably and operate.In addition, in aforementioned multi-refill writing instrument 1 (technical scheme 3), the peristome 42 of the rear end of aforementioned beam barrel 2 is as long as be with operating body 7 opening when beam barrel 2 is pulled down and when inserting operating body 7 in the beam barrels 2 at least.

[4] in aforementioned multi-refill writing instrument 1 (technical scheme 3), optimal way is (technical scheme 4): its constituted mode is, can pass through aforementioned peristome 42, and script 6 and operating body 7 are pulled down and can be inserted in the beam barrel 2 in beam barrel 2 with connecting state.

Aforementioned multi-refill writing instrument 1 (technical scheme 4), utilization can pull down and can insert structure in the beam barrel 2 in the beam barrel 2 with connecting state with script 6 and operating body 7, the replacing operation of script 6 and operating body 7 becomes simpler, and Any user can both be rapidly and carried out this replacing reliably and operate.In addition, aforementioned multi-refill writing instrument 1 (technical scheme 4), if script 6 and operating body 7 are offered the user with connecting state, then do not need the user that script 6 and operating body 7 are linked, when changing script 6, can prevent to link mistakenly script 6 and the operating body 7 corresponding reliably with this script 6.

[5] in aforementioned multi-refill writing instrument 1 (technical scheme 1), optimal way is (technical scheme 5): its constituted mode is script 6 and operating body 7 can be pulled down and can be inserted in the beam barrel 2 in beam barrel 2 with connection status.

Aforementioned multi-refill writing instrument 1 (technical scheme 5), utilization can pull down and can insert structure in the beam barrel 2 in the beam barrel 2 with connecting state with script 6 and operating body 7, the replacing operation of the style of calligraphy 6 and operating body 7 becomes simpler, and Any user can both be rapidly and carried out this replacing reliably and operate.In addition, aforementioned multi-refill writing instrument 1 (technical scheme 5), if script 6 and operating body 7 are offered the user with connecting state, then do not need the user that script 6 and operating body 7 are linked, when changing script 6, can prevent to link mistakenly script 6 and the operating body 7 corresponding reliably with this script 6.

[6] in aforementioned multi-refill writing instrument 1 (technical scheme 2), optimal way is (technical scheme 6): when the aforementioned peristome 42 of sealing, form the contacting wall portion 51 that the operating body 7 of the script 6 of the state that submerges can butt in the rearward end of beam barrel 2, when aforementioned peristome 42 was opened, the whole or a part of of aforementioned contacting wall portion 51 removed from aforementioned beam barrel 2 rear ends.

Aforementioned multi-refill writing instrument 1 (technical scheme 6), because when peristome 42 is opened, whole or a part of rearward end from beam barrel 2 of contacting wall portion 51 are removed, so when peristome 42 is opened, can not have the whole or a part of of contacting wall portion 51 on the position of butt at the operating body 7 of the script 6 of the state of submerging.Thus, when changing operating body 7, the peristome 42 of the rear end of aforementioned beam barrel 2 can be opened fully greatly, thereby can easily operating body 7 be pulled down in beam barrel 2.Thereby, contacting wall portion 51 can't move if all being fixed on the rear end of beam barrel 2, even then the peristome 42 of beam barrel 2 rear ends is rearward opened fenestra 41, when the replacing of operating body 7, opening amount to the rear of peristome 42 is also insufficient, is difficult to sometimes easily pull down operating body 7 from peristome 42.

[7] in aforementioned multi-refill writing instrument 1 (technical scheme 2), optimal way is (technical scheme 7): when aforementioned peristome 42 is opened, utilize elastomer 8 rearward pretensions, the operating body 7 of the state that submerges protrudes to the outside from aforementioned peristome 42.

Aforementioned multi-refill writing instrument 1 (technical scheme 7), because when peristome 42 is opened, each operating body 7 is in the state that rearward protrudes from the peristome 42 of beam barrel 2 rear ends, so even the peristome 42 that does not make beam barrel 2 rear ends, also can easily be pulled down operating body 7 down.

[8] in aforementioned multi-refill writing instrument 1 (technical scheme 1), optimal way is (technical scheme 8): the elastomer support portion 9 of elastomer 8 front ends butt on direction of principal axis is set on aforementioned beam barrel 2 inwalls, forms the maintaining part 92 that the leading section with elastomer 8 keeps on aforementioned elastomer support portion 9 on the direction of footpath.

Aforementioned multi-refill writing instrument 1 (technical scheme 8), because when operating body 7 is pulled down in beam barrel 2, the leading section of elastomer 8 is kept by maintaining part 92 on the direction of footpath, comes off to the outside in beam barrel 2 so can prevent elastomer 8.If elastomer 8 comes off to the outside in beam barrel 2, need insert the trouble of elastomer 8 once more when then inserting new operating body 7, and might lose elastomer 8.Aforementioned maintaining part 92 keeps the structure of the leading section of elastomer 8, for example, can enumerate the structure that the leading section outer surface of elastomer 8 is remained on direction inboard, footpath, perhaps the leading section inner surface of elastomer 8 is remained on the structure in the direction outside, footpath.

[9] in aforementioned multi-refill writing instrument 1 (technical scheme 2), optimal way is (technical scheme 9): on the fenestra 41 inwall both sides of the peristome 42 of beam barrel 2 rearward end, and the guide portion 421 of the direction when insert the side that possesses restriction operating body 7.

Aforementioned multi-refill writing instrument 1 (technical scheme 9) utilizes guide portion 421 can suppress operating body 7 is inserted in the beam barrel 2 with inappropriate direction.And aforementioned guide portion 421 only is preferably set to the shape that the operating portion 71 at operating body 7 can insert under the state in the footpath direction outside.Thus, be that operating body 7 can not insert in the beam barrels 2 from peristome 42 under opposite direction (being the state of the operating portion 71 of operating body 7 towards the inboard) situation about inserting with operating body 7 with the interior and outer direction of footpath direction, can prevent that operating body 7 from assembling mistakenly.

[10] in aforementioned multi-refill writing instrument 1 (technical scheme 2), optimal way is (technical scheme 10): on aforementioned beam barrel 2 rearward end, be provided with can the aforementioned peristome 42 of freely openable cap 5.

Aforementioned multi-refill writing instrument 1 (technical scheme 10) is by being provided with cap 5 closed peristome 42 reliably.If there is no cap 5, then are difficult to closed peristome 42 reliably.

[11] in aforementioned multi-refill writing instrument 1 (technical scheme 10), optimal way is (technical scheme 11): form the contacting wall portion 51 that the operating body 7 of the script 6 of the state that submerges can butt on the front surface of aforementioned cap 5.

Aforementioned multi-refill writing instrument 1 (technical scheme 11), when changing operating body 7,, make contacting wall portion 51 from moving with the position of operating body 7 butts by opening cap 5, thereby the peristome 42 of aforementioned beam barrel 2 rear ends can be opened fully, can easily operating body 7 be pulled down in beam barrel 2.If be fixed on the irremovable structure in rear end of beam barrel 2 for contacting wall portion 51, even then the peristome 42 of beam barrel 2 rear ends is rearward opened fenestra 41, when changing operating body 7, also insufficient to the opening amount at peristome 42 rears, be difficult to sometimes easily pull down operating body 7 from peristome 42.

In aforementioned multi-refill writing instrument 1 (technical scheme 11), aforementioned switching freely cap 5 if when peristome 42 sealings, make at least contacting wall portion 51 be configured in can with the appropriate location of operating portion 71 butts on, there is no need complete closed peristome 42.In addition, aforementioned cap 5 at least one position are installed on the rearward end of beam barrel 2 in detachable mode by be pressed into, cross engaging or screw togather etc.The mounting means of aforementioned cap 5 is when the operating body 7 of script 6 is connected in the contacting wall portion 51, can not come off because of the pretightning force rearward that elastomer 8 produces at least.

[12] in aforementioned multi-refill writing instrument 1 (technical scheme 11), optimal way is (technical scheme 12): in the process that 5 pairs of peristomes 42 of aforementioned cap seal, aforementioned cap 5 is bulldozing operation body 7 forwards.

Aforementioned multi-refill writing instrument 1 (technical scheme 12), because utilize operation by cap 5 closed peristomes 42, operating body 7 is forwards pushed, so before by cap 5 closed peristomes 42, there is no need to be in the operating body 7 usefulness finger pushing forwards of protrusion state.Thus, by the processing ease of cap 42 closed peristomes 42.

[13] in aforementioned multi-refill writing instrument 1 (technical scheme 1), optimal way is (technical scheme 13): aforementioned each operating body 7 is coloured to the ink color of accommodating in script 6 inside that linked.

Aforementioned multi-refill writing instrument 1 (technical scheme 13), each operating body 7 is coloured to color identical with being housed in inner ink color or roughly the same color, utilization can easily be discerned the ink color that nib protrudes the script 6 of operation from the operating portion that the fenestra 41 of beam barrel 2 exposes.Aforementioned multi-refill writing instrument 1 (technical scheme 13), particularly operating body 7 is in from peristome 42 and protrudes under the situation of states (situation of technical scheme 7) when peristome 42 is opened, the operating body 7 that links for script 6 with the ink color that should pull down, by the ink color of identification, can easily discern from peristome 42 from the operating body 7 of this script of peristome 42 protrusions.In addition, be in the script 6 of the state that links with the aforementioned operating body that is colored 7, under the situation of the state before in being housed in beam barrel 2 (promptly being in the state of the outside of beam barrel 2), by identifying operation body 7, from also can easily discerning the ink color of script 6 at a distance.

[14] in aforementioned multi-refill writing instrument 1 (technical scheme 10), optimal way is (technical scheme 14): an end of aforementioned cap 5 is connected on the rearward end of beam barrel 2 in the mode that can freely rotate.

Aforementioned multi-refill writing instrument 1 (technical scheme 14), aforementioned cap 5 is installed on the rearward end of beam barrel 2 when peristome 42 is opened and closed, and can't break away from from beam barrel 2.Therefore, can prevent losing of cap 5.If cap 5 is lost, then lost the contacting wall portion 51 with operating portion 71 butts of the script 6 of the state of submerging, can't use as multi-refill writing instrument.In addition, aforementioned cap 5 can be following any structure, that is, peristome 42 is rearward rotated and the structure of opening from closed state, perhaps peristome 42 is rotated and the structure of opening to Zhou Fangxiang from closed state.

[15] in aforementioned multi-refill writing instrument 1 (technical scheme 14), optimal way is (technical scheme 15): on the other end of aforementioned cap 5 (being the opposition side end of an end of cap 5) holding section 53 is set, the portion that is stuck 45 that can freely engage/break away from the holding section of aforementioned cap is set on the rearward end of beam barrel 2.

Aforementioned multi-refill writing instrument 1 (technical scheme 15), cap 5 can easily be opened peristome 42, and cap 5 can remain closed state with peristome 42 reliably simultaneously.

[16] in aforementioned multi-refill writing instrument 1 (technical scheme 10), main points (technical scheme 6) are: the cap 5 that will seal aforementioned peristome 42 is screwed on the rearward end of beam barrel 2 in the mode that can freely load and unload.

Aforementioned multi-refill writing instrument 1 (technical scheme 16), by cap 5 is screwed in the mode that can freely load and unload on the rearward end of beam barrel 2, closed peristome 42 reliably.If there is no cap 5, then are difficult to closed peristome 42 reliably.

[17] in aforementioned multi-refill writing instrument 1 (technical scheme 16), optimal way is (technical scheme 17):: internal thread part 54 is set on the inner peripheral surface of aforementioned cap 5, the external thread part 45 that can screw togather with aforementioned internal thread part 54 is set on the outer peripheral face of aforementioned beam barrel 2 rearward end.

Aforementioned multi-refill writing instrument 1 (technical scheme 17), the rearward end utilization of beam barrel 2 with aforementioned fenestra 41 rearward the peristome 42 of opening on the direction of footpath, cut apart, easy radius vector direction outside dilatating and deformable, but by internal thread part 54 is set on the inner peripheral surface of cap 5, the external thread part 45 that can screw togather with aforementioned internal thread part 54 is set on the rearward end outer peripheral face of aforementioned beam barrel 2, can prevents aforementioned beam barrel 2 dilatating and deformable in the direction outside, footpath of end backward.

[18] in aforementioned multi-refill writing instrument 1 (technical scheme 10), main points (technical scheme 18) are: at least two holding section 53A, 53B are set on aforementioned cap 5, on each rearward end of the beam barrel of being cut apart by aforementioned peristome 42 on the direction of footpath 2, the 45A of the portion that is stuck, 45B that aforementioned holding section 53A, 53B can engage are set.

Aforementioned multi-refill writing instrument 1 (technical scheme 18), by in the mode that can freely load and unload cap 5 is set on the rearward end of beam barrel 2, closed peristome 42 reliably.If there is no cap 5, then are difficult to closed peristome 42 reliably.Particularly, cap 5 possesses two holding section 53A at least, 53B, utilizing aforementioned peristome 42 on each rearward end of the divided beam barrel 2 of footpath direction, possess and to be fastened on aforementioned holding section 53A, the 45A of the portion that is stuck on the 53B, 45B, therefore, because by holding section 53A, 53B and be stuck the 45A of portion, there are two or more in the engaging position that 45B constitutes, so in the rearward end that cap 5 is installed in beam barrel 2, when utilizing the above engaging position engaging in aforementioned two positions or two positions, can keep the stable installment state between the rearward end of cap 5 and beam barrel 2 fully.If by holding section 53A, 53B be stuck the engaging position that the 45A of portion, 45B constitute and have only one, then cap 5 is being installed on the rearward end of beam barrel 2, when making holding section 53A, 53B and being stuck the 45A of portion, 45B engaging, cap 5 can rock, and can't keep stable installment state sometimes.

In addition, because aforementioned cap 5 stably is installed on the rearward end of beam barrel 2 by two positions or two engaging positions more than the position, so be transformed into the submerge operating body 7 of rearward end of script 6 of state of nib from nib protrusion state, be connected in the contacting wall portion 51 even utilize the pretightning force rearward of elastomer 8 powerfully, can not worry that cap 5 easily comes off yet, if aforementioned engaging position has only one, then owing to the stop between the contacting wall portion of operating body and cap 5, sometimes cap 5 can come off.

[19] in aforementioned multi-refill writing instrument 1 (technical scheme 18), optimal way is (technical scheme 19): aforementioned each holding section 53A, 53B are set on the inner surface of cap 5, aforementioned each are set on the outer surface of beam barrel 2 rearward end are stuck the 45A of portion, 45B.

Aforementioned multi-refill writing instrument 1 (technical scheme 19), the rearward end utilization of beam barrel 2 make aforementioned fenestra 41 rearward opening peristome 42 and on the direction of footpath, cut apart, easy radius vector direction outside dilatating and deformable, but by each holding section 53A, 53B being arranged on the footpath direction inner surface of cap 5, aforementioned each is stuck on the footpath direction outer surface of rearward end that the 45A of portion, 45B be arranged on beam barrel 2, can prevents the dilatating and deformable in the rearward end radius vector direction outside of aforementioned beam barrel 2.

[20] in aforementioned multi-refill writing instrument 1 (technical scheme 18), optimal way is (technical scheme 20): aforementioned contacting wall portion 51 inserted be configured in the aforementioned peristome 42, aforementioned peristome 42 inwalls of aforementioned contacting wall portion's 51 restrictions to internal strain.

Aforementioned multi-refill writing instrument 1 (technical scheme 20), holding section 53A at the footpath direction inner surface that makes cap 5, the 45A of the portion that is stuck of the outer surface of the rearward end of 53B and beam barrel 2, during the 45B engaging, the easy radius vector direction of rearward end of fenestra 41 divided rear axle 4 on the direction of footpath of utilizing open rearward end is to internal strain, but, aforementioned contacting wall portion 51 is configured in the peristome 42 by being inserted, aforementioned contacting wall portion 51 restriction peristomes, 42 inwalls to internal strain, can fully be suppressed at the holding section 53A that makes cap 5,53B is fastened on the 45A of the portion that is stuck of the rearward end of rear axle 4, when 45B is last, the rearward end of beam barrel 2 on the direction of footpath to internal strain.

[21] in aforementioned multi-refill writing instrument 1 (technical scheme 18), optimal way is (technical scheme 21): at least 2 pin sheets that aforementioned cap 5 possesses main body 52 and forwards protrudes from this main body 52, on the direction inner surface of the footpath of aforementioned each pin sheet, form holding section 53A, 53B, on the other hand, on the footpath direction outer surface of each sidewall of aforementioned beam barrel 2 rearward end, formation can be crossed the 45A of the portion that is stuck, the 45B that engages with aforementioned holding section 53A, 53B on direction of principal axis.

Aforementioned multi-refill writing instrument 1 (technical scheme 21), on at least 2 pin sheets, holding section 53A, 53B are set respectively, can cross the 45A of the portion that is stuck, the 45B that engage with aforementioned holding section 53A, 53B is arranged on the rearward end sidewall of the beam barrel 2 between the fenestra 41, thus, there is no need to make cap 5 rearward to protrude significantly from the rear end of beam barrel 2.

[22] in aforementioned multi-refill writing instrument 1 (technical scheme 18), optimal way is (technical scheme 22): at least 2 pin sheets that aforementioned cap 5 possesses main body 52 and forwards protrudes from this main body 52, on the direction inner surface of the footpath of aforementioned each pin sheet, form holding section 53A, 53B, on the other hand, in the both sides of the peristome 42 of aforementioned beam barrel 2 rear ends, the 45A of the portion that is stuck, 45B that formation can be slidingly fastened on the direction of footpath with aforementioned holding section 53A, 53B.

Aforementioned multi-refill writing instrument 1 (technical scheme 22) can be provided with holding section 53A, 53B significantly and be stuck the engaging amount (for example degree of depth of the height of protuberance, slot part) of the 45A of portion, 45B, can further keep stable fastening state.

[23] in aforementioned multi-refill writing instrument 1 (technical scheme 18), optimal way is (technical scheme 23): aforementioned cap 5 possesses main body 52 and is formed at 2 holding sections 53 of the both sides of aforementioned body 52 footpath directions, on the other hand, form in the both sides of the open rearward end portion 42 of aforementioned beam barrel 2 and to be stuck the 45A of portion, 45B, aforementioned holding section 53A, 53B and the aforementioned 45A of portion, the 45B of being stuck can engage by cap 5 is rotated on Zhou Fangxiang with respect to the rearward end of beam barrel 2.

Aforementioned multi-refill writing instrument 1 (technical scheme 23) can be provided with holding section 53A, 53B significantly and be stuck the engaging amount (for example degree of depth of the height of protuberance, slot part) of the 45A of portion, 45B, can further keep stable fastening state.

[24] in aforementioned multi-refill writing instrument 1 (technical scheme 1), main points (technical scheme 24) are: its constituted mode is, at least one position of fenestra 41 perisporiums can be separated on the direction of footpath, when at least one position of aforementioned fenestra 41 perisporiums is separated on the direction of footpath, can operating body 7 be pulled down and can insert in the beam barrel 2 in beam barrel 2 by the separated part of aforementioned fenestra 41 perisporiums.

Aforementioned multi-refill writing instrument 1 (technical scheme 24), with at least one position separated structures on the direction of footpath of fenestra 41 perisporiums can be in the following structure any, promptly, form the structure of the peristome that is communicated with fenestra 41 at the perisporium of fenestra 41, perhaps the structure of the peristome that is not communicated with in the formation of fenestra 41 perisporiums with fenestra 41.In addition, in the aforementioned multi-refill writing instrument 1 (technical scheme 24), each script 6 can be separated by fenestra 41 perisporiums to beam barrel 2 and changed, (for example perhaps also can be provided with to the peristome of the front openings of beam barrel 2, utilize detachable front axle 3 and rear axle 4 to constitute beam barrel 2, at the front end of rear axle 4 peristome is set by pulling down front axle 3), change by this peristome.In addition, the perisporium of aforementioned fenestra 41 is meant the sidewall that is positioned at fenestra 41 beam barrel 2 on every side.

[25] in aforementioned multi-refill writing instrument 1 (technical scheme 24), main points (technical scheme 25) are: its constituted mode is, can pass through the separated part of the perisporium of aforementioned fenestra 41, operating body 7 and script 6 are pulled down and can be inserted in the beam barrel 2 in beam barrel 2.

[26] in aforementioned multi-refill writing instrument 1 (technical scheme 24), optimal way is (technical scheme 26): its constituted mode is, at least the front end of fenestra 41 perisporiums or rear end can be separated on the direction of footpath, separate on the direction of footpath the front end or the rear end of the perisporium by making aforementioned fenestra 41, with fenestra 41 forwards or the rear open.

Aforementioned multi-refill writing instrument 1 (technical scheme 26), when changing operating body 7, can be with the operating body 7 that protrudes from fenestra 41, by forwards or the open fenestra 41 in rear in beam barrel 2, pull down, so the replacing operation of operating body 7 becomes easier.

[27] in aforementioned multi-refill writing instrument 1 (technical scheme 24), optimal way is (technical scheme 27): its constituted mode is, follow aforementioned fenestra 41 perisporium rear ends on the direction of footpath, to separate, the sidewall of beam barrel 2 rearward end can separate on the direction of footpath, on the sidewall of aforementioned beam barrel 2 rearward end, cap 5 is set in the mode that can freely load and unload, utilization is installed in the cap 5 on the aforementioned beam barrel 2 rearward end sidewalls, makes the sidewall of beam barrel 2 rearward end keep fit state.

Aforementioned multi-refill writing instrument 1 (technical scheme 27) is write when using by cap 5 being installed in the sidewall of the rearward end of beam barrel 2, keeps the rearward end sidewall of beam barrel 2 with zoarium in stable conditionly, can prevent that the rearward end sidewall of beam barrel 2 from separating on the direction of footpath.The rearward end sidewall of beam barrel 2 separates on the direction of footpath when using if write, and can worry that then the operating body 7 of pretension state rearward flies out to the outside.

[28] in aforementioned multi-refill writing instrument 1 (technical scheme 24), optimal way is (technical scheme 28): its constituted mode is script 5 and operating body 6 can be pulled down and can be inserted in the beam barrel 2 in beam barrel 2 with connecting state.

[29] in aforementioned multi-refill writing instrument 1 (technical scheme 1), main points (technical scheme 29) are: its constituted mode is, beam barrel 2 is made of front axle 3 that possesses front aperture 31 and the rear axle 4 that is attached on these front axle 3 rearward end in the mode that can freely load and unload, aforementioned rear axle 4 possesses fenestra 41 and makes this fenestra 41 notch 42 of opening forwards, with aforementioned rear axle 4 when front axle 3 separates, can operating body 6 be pulled down and can insert in the beam barrel 2 in beam barrel 2 by aforementioned notch 42.

[30] in aforementioned multi-refill writing instrument 1 (technical scheme 29), optimal way is (technical scheme 30): its constituted mode is, can be with script 5 and operating body 6 to pull down in the beam barrel under the connecting state 2 and can insert in the beam barrel 2.

[31] in aforementioned multi-refill writing instrument 1 (technical scheme 29), optimal way is (technical scheme 31): the leading section of rear axle 4 utilizes notch 42 to be split into many parts, and a plurality of connecting holes 32 that the leading section of aforementioned rear axle 4 can insert are set in the inside of front axle 3.

Aforementioned multi-refill writing instrument 1 (technical scheme 31), the leading section of rear axle 4 (be rear axle 4 leading section be split into each a plurality of cutting plates) insert in the connecting hole 22 of front axle 3, thus, can suppress the distortion of leading section radius vector direction inboard of rear axle 4 and the distortion in the radius vector direction outside.In addition, aforementioned multi-refill writing instrument 1 (technical scheme 31) is preferably set the number of connecting hole 32 for that to cut apart radical identical with the leading section of rear axle 4 divided.Thus, in the time of in each connecting hole 32 of the leading section insertion front axle 3 that will be split into a plurality of rear axle 4, the direction of the Zhou Fangxiang of front axle 3 and rear axle 4 is coincide reliably on suitable direction.

[32] in aforementioned multi-refill writing instrument 1 (technical scheme 31), optimal way is (technical scheme 32): the elastomer support portion 8 of front end butt on direction of principal axis of elastomer 7 is set on the inwall of front axle 3, forms aforementioned connecting hole 32 between aforementioned elastomer support portion 8 outer walls and front axle 3 inwalls.

Aforementioned multi-refill writing instrument 1 (technical scheme 32) forms connecting hole 32 easily by using elastomer support portion 8.In addition, preferred aforementioned elastomer support portion 8 is made of the parts different with front axle 3, is fixed on the inwall of front axle 3, but also can forms with front axle 3 inwalls.

[33] in aforementioned multi-refill writing instrument 1 (technical scheme 29), optimal way is (technical scheme 33): the elastomer support portion 8 of leading section butt on direction of principal axis of elastomer 7 is set on the inwall of aforementioned front axle 3, is being formed on the maintaining part 82 that keeps elastomer 7 leading sections on the direction of footpath on the aforementioned elastomer support portion 8.

(replaceable pen core)

[34] main points of the present invention (technical scheme 34) are, a kind of in aforementioned multi-refill writing instrument 1 (technical scheme 1), use replaceable pen core, promptly, the replaceable pen core of a kind of multi-refill writing instrument, in beam barrel 6, accommodate many during use, the operating body 4 that is attached at rear end is separately protruded from the sidewall of beam barrel 6, by aforementioned operation body 4 is forwards carried out slide, nib is passed in and out from beam barrel 6 front ends, under the state of this replaceable pen core before in being contained in beam barrel 6, by constituting with the lower part: ball pen head 2 (nib) keeps ball at its front end in rotatable mode; Ink containing tube 3, its front end are fixed this ball pen head 2 and ink is accommodated in inside; And operating body 4 (ink color display part), it is attached at the rear end of this ink containing tube 3 and is coloured to ink color in the ink containing tube 3.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 34), by discern the operating body 4 of the bigger protrusion of rear side (being ink color display part) axially from the outside, easily carry out the identification of the ink color in the ink containing tube 3, also can discern from position far away.Its result, when the user buys multi-refill writing instrument with replaceable pen core 1 in the shop, and under the arbitrary situation when being housed in the beam barrel 6 with replaceable pen core 1 new multi-refill writing instrument, can not worry to select the multi-refill writing instrument different with replaceable pen core 1 with the ink color of expecting.In addition, in the present invention, ink containing tube and be attached at the operating body of the rear end of this ink containing tube also can be made of 1 parts that both form one.

[35] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 34) in, optimal way is (technical scheme 35): aforementioned operation body 4 possesses minor diameter part 42 and the footpath direction size large-diameter portion 41 greater than this minor diameter part.

Aforementioned multi-refill writing instrument can constitute large-area ink color display part with replaceable pen core 1 (technical scheme 35) on aforementioned large-diameter portion 41, the identification of ink color is more prone to.In addition, aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 35), and ink containing tube 3 and operating body 4 are connecting state, when the user pulls down in beam barrel 6 and when inserting in the beam barrel 6, takes the large-diameter portion 41 of operating body 4 easily, and is more convenient.In addition, aforementioned large-diameter portion 41 needs only and is arranged at least on 1 position of operating body 4, but also can be arranged on a plurality of positions of operating body 4.

[36] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 35) in, optimal way is (technical scheme 36): the footpath direction size of aforementioned large-diameter portion 41 is greater than the external diameter of ink containing tube 3.

Aforementioned multi-refill writing instrument can constitute large-area ink color display part with replaceable pen core 1 (technical scheme 35) on aforementioned large-diameter portion 41, the identification of ink color is more prone to.In addition, aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 35), and ink containing tube 3 and operating body 4 are connecting state, when the user pulls down in beam barrel 6 and when inserting in the beam barrel 6, takes the large-diameter portion 41 of operating body 4 easily, and is more convenient.In addition, aforementioned large-diameter portion 41 needs only and is arranged at least on 1 position of operating body 4, but is arranged on a plurality of positions of operating body 4, from accessing more large-area ink display part this point, is preferred.

[37] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 35) in, optimal way is (technical scheme 37): aforementioned large-diameter portion 41 is that the two sides possesses the tabular of planar portions 41a.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 37), and aforementioned planar portions 41a becomes large-area ink color display part, can form large-area ink color display part efficiently.In addition, aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 37), and with many bundle time-outs, contact between the operating body 4 and rearward end can not be expanded is handled easily.In addition, aforementioned large-diameter portion 41 also can possess a little projection and stage portion as long as be tabular as a whole on aforementioned planar portions 41a.

[38] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 35) in, optimal way is (technical scheme 38): aforementioned large-diameter portion 41 is arranged on the rear portion of operating body 4.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 38), can make large-diameter portion 41 seem to improve the aesthetic appearance of operating body 4 (ink color display part) as the flag that is installed on the flagpole that rearward protrudes from the rear end of ink containing tube 3.In addition, aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 38), because large-diameter portion 41 is formed on the rear portion of operating body 4, so ink containing tube 3 and operating body 4 are connecting state, in the time of when the user pulls down in beam barrel 6 and in the insertion beam barrel 6, be more prone to take the large-diameter portion 41 of operating body 4, more convenient.

[39] multi-refill writing instrument with replaceable pen core 1 (technical scheme 34) in, optimal way is (technical scheme 39): under the state that is identified the area maximum of aforementioned operation body 4, the identification area of aforementioned operation body 4 is set at more than or equal to 10% of the identification area of ink containing tube 3.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 39), and the identification of ink color is more reliable.If 10% of the identification area of the not enough ink containing tube 3 of the identification area of operating body 4, then the identification of carrying out ink color according to operating body 4 becomes difficult.In addition, the aforementioned identification area is meant, from the area of certain orientation identification multi-refill writing instrument during with replaceable pen core 1.

[40] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 34) in, optimal way is (technical scheme 40): aforementioned replaceable pen core 1 is housed in the packaging bag 5 that is made of transparent material.

Aforementioned multi-refill writing instrument can easily be discerned the operating body 4 that is coloured to ink color with replaceable pen core 1 (technical scheme 40), can prevent that the user from buying the situation that preceding operating body 4 comes off from ink containing tube 3 simultaneously.

[41] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 40) in, optimal way is (technical scheme 41): under the state in being contained in aforementioned packaging bag 5, can discern the maximum identification area of aforementioned operation body 4 from the external front face of packaging bag 5.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 41), under the state that is contained in packaging bag 5, can be from the maximum identification area of the external front face identifying operation body 4 of packaging bag 5, thus, packaging bag 5 thickness that can not worry to accommodate the part of operating body 4 increase, and can take care of with a plurality of packaging bags 5 overlapping states of replaceable pen core 1 will put into multi-refill writing instrument in limited keeping space.

[42] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 40) in, optimal way is (technical scheme 42): aforementioned operation body 4 possesses the large-diameter portion 41 of footpath direction size greater than ink containing tube 3 external diameters, aforementioned large-diameter portion 41 is that the two sides possesses the tabular of planar portions 41a, under the state in being contained in aforementioned packaging bag 5, can discern the planar portions 41a (maximum identification area) of the large-diameter portion 41 of aforementioned operation body 4 from the external front face of packaging bag 5.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 42), under the state in being contained in packaging bag 5, can discern the planar portions 41a (maximum identification area) of the large-diameter portion 41 of aforementioned operation body 4 from the external front face of packaging bag 5, thus, packaging bag 5 thickness that can not worry to accommodate the part of operating body 4 increase, and can take care of with a plurality of packaging bags 5 overlapping states of replaceable pen core 1 will put into multi-refill writing instrument in limited keeping space.

[43] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 40) in, optimal way is (technical scheme 43): aforementioned packaging bag 5 at one end possesses lifting hole(eyelet) 51, under aforementioned replaceable pen core 1 was contained in state in the aforementioned packaging bag 5, operating body 4 was configured in aforementioned lifting hole(eyelet) 51 sides.

Aforementioned multi-refill writing instrument is when slinging state with replaceable pen core 1 (technical scheme 43) in packaging bag 5, and ball pen head 2 (nib) can prevent retreating of ink containing tube 3 interior inks down.In addition, operating body 4 is positioned at the top, and therefore, the user is when buying, Yi Bian packaging bag 5 is taken off in the ink color of identifying operation body 4 demonstration on one side easily.

[44] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 40) in, optimal way is (technical scheme 44): aforementioned packaging bag 5 at one end possesses lifting hole(eyelet) 51, under aforementioned replaceable pen core 1 was contained in state in the aforementioned packaging bag 5, ball pen head 2 was configured in aforementioned lifting hole(eyelet) 51 sides.

Aforementioned multi-refill writing instrument is that ball pen head 2 (nib) can not worried to spill ink from the front end of ball pen head 2 up when hanging state with replaceable pen core 1 (technical scheme 44) in packaging bag 5.

[45] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 40) in, optimal way is (technical scheme 45): aforementioned packaging bag 5 at one end possesses lifting hole(eyelet) 51, on near packaging bag 5 surfaces the aforementioned lifting hole(eyelet) 51, be provided with painted 52 that is coloured to ink containing tube 3 interior ink colors.In addition, aforementioned lifting hole(eyelet) 51 also can form incision-like or hook-shaped.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 45), can discern near the packaging bag 5 surfaces aforementioned lifting hole(eyelet) 51 painted 52 simultaneously and be coloured to the operating body 4 of ink color, therefore, the identification of ink color becomes easier, also can discern ink color from position far away.

[46] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 34) in, optimal way is (technical scheme 46): aforementioned ink containing tube 3 is made of transparent or translucent material, the ink of accommodating in the aforementioned ink containing tube 3 is a dye ink.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 46), the ink that is housed in the ink containing tube 3 is dye ink (containing the ink of dyestuff as colouring agent), therefore, compare with the situation of paint ink, can not easily discern ink color even discerned ink containing tube 3, thus, the operating body 4 that is coloured to ink color on the contrary improves the aesthetic appearance of replaceable pen core integral body as the color projecting point and showy.Aforementioned dye ink can be any in water-base ink, the oily ink.

[47] aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 34) in, optimal way is (technical scheme 47): at the front end of aforementioned ball pen head 2, fixing preventing the desiccant covering resin 21 of nib.

Aforementioned multi-refill writing instrument is with replaceable pen core 1 (technical scheme 47), by on the front end of ball pen head 2, fixedly preventing the desiccant covering resin 21 of nib, prevent that under the state of attended operation body 4 drying of nib before the user begins to write use can suitably be taken care of.Particularly aforementioned multi-refill writing instrument with replaceable pen core 1 (technical scheme 47) be easy to generate under the situation of water-base ink of evaporation more effective.

The effect of invention

According to the multi-refill writing instrument of technical scheme 1, can be replaced with the script that the user likes, the while operating body also can be replaced with suitably corresponding with this script, can prevent that the mistake of script and operating body from linking.In addition, do not need the replacing of existing this widget, can be rapidly and change operation reliably.

According to the multi-refill writing instrument of technical scheme 2, can be replaced with the script that the user likes, the while operating body also can be replaced with suitably corresponding with this script, can prevent that the mistake of script and operating body from linking.In addition, do not need the replacing of existing this widget, can be rapidly and change operation reliably.

According to the multi-refill writing instrument of technical scheme 3, the replacing of script and operating body is simple to operate, can be rapidly and carry out it reliably and change operation.

According to the multi-refill writing instrument of technical scheme 4, the replacing of script and operating body operation is simpler, and the user can be rapidly and carried out it reliably and change operation arbitrarily.In addition, if script and operating body are offered the user with connecting state, then the user does not need to link script and operating body, can prevent from reliably to link script and the operating body corresponding with it mistakenly when changing the script replacing.

According to the multi-refill writing instrument of technical scheme 5, the replacing of script and operating body is simple to operate, can be rapidly and carry out it reliably and change operation.

According to the multi-refill writing instrument of technical scheme 6, when changing operating body, can open the peristome of beam barrel rear end fully big, can easily operating body be pulled down in beam barrel.

According to the multi-refill writing instrument of technical scheme 7, when peristome is opened,, also can easily pull down operating body even do not make the peristome of beam barrel rear end downward.

According to the multi-refill writing instrument of technical scheme 8, can prevent that elastomer comes off to the outside when operating body is pulled down in beam barrel in beam barrel.

Multi-refill writing instrument according to technical scheme 9 utilizes guide portion, can suppress operating body is inserted in the beam barrel with incorrect direction.

According to the multi-refill writing instrument of technical scheme 10, by cap is set, closed peristome reliably.

According to the multi-refill writing instrument of technical scheme 11, when changing operating body, make contacting wall portion from moving with the position of operating body butt, can open the peristome of beam barrel rear end fully big, can easily operating body be pulled down in beam barrel.

According to the multi-refill writing instrument of technical scheme 12, utilize cap that the operation of peristome sealing is become easy.

According to the multi-refill writing instrument of technical scheme 13, utilize the operating portion that exposes from the fenestra of beam barrel, can easily discern and carry out the ink color that nib protrudes the script of operation.

According to the multi-refill writing instrument of technical scheme 14, can prevent losing of cap.

According to the multi-refill writing instrument of technical scheme 15, cap can easily be opened peristome, and cap can make peristome keep closed state reliably.

According to the multi-refill writing instrument of technical scheme 16, closed peristome reliably.

According to the multi-refill writing instrument of technical scheme 17, can prevent the dilatating and deformable in the rearward end radius vector direction outside of beam barrel.

According to the multi-refill writing instrument of technical scheme 18, can keep the stable installment state between cap and the beam barrel rearward end fully.

According to the multi-refill writing instrument of technical scheme 19, can prevent the dilatating and deformable in the rearward end radius vector direction outside of aforementioned beam barrel.

According to the multi-refill writing instrument of technical scheme 20, in the time of can being suppressed at holding section with cap fully and on the rear axle rearward end, engaging with the portion of being stuck, the distortion of beam barrel rearward end radius vector direction inboard.

According to the multi-refill writing instrument of technical scheme 21, there is no need to make cap rearward to protrude greatly from the beam barrel rear end.

According to the multi-refill writing instrument of technical scheme 22, can set holding section and the engaging amount that is stuck portion greatly, can further keep stable fastening state.

According to the multi-refill writing instrument of technical scheme 23, can set holding section and the engaging amount that is stuck portion greatly, can further keep stable fastening state.

According to the multi-refill writing instrument of technical scheme 24, can be replaced with the script that the user likes, simultaneously, operating body also can be replaced with and the suitable corresponding operating body of this script, can prevent that the mistake of script and operating body from linking.In addition, do not need to have now the replacing of this widget, can be rapidly and change operation reliably.

Multi-refill writing instrument according to technical scheme 25, the separated part of the perisporium of fenestra be can pass through and operating body and script changed, can be replaced with the script that the user likes, the while operating body also can be replaced with suitably corresponding with this script, can prevent that the mistake of script and operating body from linking.In addition, the replacing of script and operating body is simple to operate, can be rapidly and carry out it reliably and change operation.

According to the multi-refill writing instrument of technical scheme 26, when operating body is changed, the operating body that can protrude from fenestra, by forwards or the open fenestra in rear in beam barrel, pull down, therefore, the replacing of operating body operation is easier.

According to the multi-refill writing instrument of technical scheme 27, when using cap is installed on the sidewall of beam barrel rearward end by writing, can prevent that the sidewall of the rearward end of beam barrel from separating on the direction of footpath.

According to the multi-refill writing instrument of technical scheme 28, the replacing of script and operating body operation is simpler, and the user can be rapidly and carried out it reliably and change operation arbitrarily.In addition, if script and operating body are offered the user with connecting state, then the user does not need to link script and operating body, can prevent reliably that when changing script, mistake links script and the operating body corresponding with it.

According to the multi-refill writing instrument of technical scheme 29, can be replaced with the script that the user likes, simultaneously, operating body also can be replaced with and the suitable corresponding operating body of this script, can prevent that the mistake of script and operating body from linking.In addition, do not need to have now the replacing of this widget, can be rapidly and change operation reliably.

According to the multi-refill writing instrument of technical scheme 30, the replacing of script and operating body operation is simpler, and the user can be rapidly and carried out it reliably and change operation arbitrarily.In addition, if script and operating body are offered the user with connecting state, then the user does not need to link script and operating body, can prevent reliably that when changing script, mistake links script and the operating body corresponding with it.

According to the multi-refill writing instrument of technical scheme 31, can suppress the distortion of rear axle leading section radius vector direction inboard and the distortion in the radius vector direction outside.

According to the multi-refill writing instrument of technical scheme 32, form connecting hole and become easy.

According to the multi-refill writing instrument of technical scheme 33, can prevent that when pulling down operating body in beam barrel, elastomer comes off to the outside in beam barrel.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 34, the identification of ink color becomes easily, also can discern from position far away.Its result can not worry to select and the replaceable pen core of expecting that ink color is different.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 35, can on large-diameter portion, constitute large-area ink color display part, the identification of ink color is easier.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 36, can on large-diameter portion, constitute large-area ink color display part, the identification of ink color is easier.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 37, can form large-area ink color display part more efficiently.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 38, the aesthetic appearance of operating body improves.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 39, the identification of ink color becomes more reliable.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 40, can easily discern the operating body that is coloured to ink color, simultaneously can fat end that operating body comes off from ink containing tube before the user buys.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 41, the thickness of packaging bag that can not worry to accommodate the part of operating body increases, can in limited keeping space, take care of with the overlapping state of a plurality of packaging bags of replaceable pen core will put into multi-refill writing instrument.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 42, the thickness of packaging bag that can not worry to accommodate the part of operating body increases, can in limited keeping space, take care of with the overlapping state of a plurality of packaging bags of replaceable pen core will put into multi-refill writing instrument.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 43, in packaging bag is when slinging state, nib down, prevent retreating of the interior ink of ink containing tube, and operating body is positioned at the top, and the user is when buying, the ink color of identifying operation body shows on one side easily, Yi Bian take off packaging bag.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 44, be the state of slinging in packaging bag, nib can prevent that ink from spilling from the front end of ball pen head up.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 45, the identification of ink color is more prone to, and also can discern ink color from position far away.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 46, the operating body that is coloured to ink color improves the aesthetic appearance of replaceable pen core integral body as the color projecting point and showy.

According to the replaceable pen core of the multi-refill writing instrument of technical scheme 47, prevent that under the state of attended operation body the drying of nib before the user begins to write use can suitably be taken care of.

Description of drawings

Fig. 1 is the submerge profilographs of state (during non-writing) of whole nibs of the 1st embodiment of expression multi-refill writing instrument of the present invention.

Fig. 2 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of presentation graphs 1.

Fig. 3 is the side view of expression with the state of the open rearward end portion sealing of the multi-refill writing instrument of Fig. 1.

Fig. 4 is the A-A line amplification profile of Fig. 3.

The side view of Fig. 5 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Fig. 1.

Fig. 6 is the major part stereogram of expression with the state of the open rearward end portion sealing of the multi-refill writing instrument of Fig. 1.

The major part stereogram of Fig. 7 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Fig. 1.

Fig. 8 is the major part side view of the 2nd embodiment of expression multi-refill writing instrument of the present invention.

Fig. 9 is the submerge profilographs of state (during non-writing) of whole nibs of the 3rd embodiment of expression multi-refill writing instrument of the present invention.

Figure 10 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of presentation graphs 9.

Figure 11 be Fig. 9 multi-refill writing instrument omission the A-A line amplification profile of operating body of rearward end.

Figure 12 is the B-B line profile of Figure 11.

Figure 13 is the C-C line profile of Figure 11.

Figure 14 is the D-D line profile of Figure 11.

Figure 15 is the side view of expression with the state of the open rearward end portion sealing of the multi-refill writing instrument of Fig. 9.

The side view of Figure 16 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Fig. 9.

Figure 17 is the submerge profilographs of state (during non-writing) of whole nibs of the 4th embodiment of expression multi-refill writing instrument of the present invention.

Figure 18 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of expression Figure 17.

Figure 19 be Figure 17 multi-refill writing instrument omission the A-A line amplification profile of operating body of rearward end.

Figure 20 is the B-B line profile of Figure 19.

Figure 21 is the C-C line profile of Figure 19.

Figure 22 is the D-D line profile of Figure 19.

Figure 23 is the E-E line profile of Figure 19.

Figure 24 is the side view of expression with the state of the open rearward end portion sealing of the multi-refill writing instrument of Figure 17.

The side view of Figure 25 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Figure 17.

Figure 26 is the submerge profilographs of state (during non-writing) of whole nibs of the 5th embodiment of expression multi-refill writing instrument of the present invention.

Figure 27 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of expression Figure 26.

Figure 28 is the F-F line amplification profile of operating body of rearward end that has omitted the multi-refill writing instrument of Figure 26.

Figure 29 is the G-G line profile of Figure 28.

Figure 30 is the H-H line profile of Figure 28.

Figure 31 is the I-I line profile of Figure 28.

Figure 32 is the side view of expression with the state of the open rearward end portion sealing of the multi-refill writing instrument of Figure 26.

The side view of Figure 33 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Figure 26.

Figure 34 is the submerge profilographs of state (during non-writing) of whole nibs of the 6th embodiment of expression multi-refill writing instrument of the present invention.

Figure 35 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of expression Figure 34.

Figure 36 is the J-J line amplification profile of operating body of rearward end that has omitted the multi-refill writing instrument of Figure 34.

Figure 37 is the K-K line profile of Figure 36.

Figure 38 is the L-L line profile of Figure 36.

Figure 39 is the M-M line profile of Figure 36.

Figure 40 is the N-N line profile of Figure 36.

Figure 41 is the O-O line profile of Figure 36.

Figure 42 is the side view of expression with the state of the open rearward end portion sealing of the multi-refill writing instrument of Figure 34.

The side view of Figure 43 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Figure 34.

Figure 44 is the submerge profilographs of state (during non-writing) of whole nibs of the 7th embodiment of expression multi-refill writing instrument of the present invention.

Figure 45 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of expression Figure 44.

Figure 46 is the A-A line profile of the multi-refill writing instrument of Figure 44.(still, omitted script, operating body, elastomer and card and ended wall portion.)

Figure 47 is the B-B line profile of Figure 46.

Figure 48 is the C-C line profile of Figure 46.

Figure 49 is the D-D line profile of Figure 46.

Figure 50 is the profilograph of the state that the fenestra perisporium is separated of the multi-refill writing instrument of expression Figure 46.

Figure 51 is the profilograph of the state that the fenestra perisporium is separated in the 8th embodiment of expression multi-refill writing instrument of the present invention.(still, omitted script, operating body, elastomer and card and ended wall portion.)

Figure 52 is the submerge profilographs of state (during non-writing) of whole nibs of the 9th embodiment of expression multi-refill writing instrument of the present invention.

Figure 53 is the profilograph of the state (when writing) that protrudes of nib of the multi-refill writing instrument of expression Figure 52.

Figure 54 is the A-A line profile of the multi-refill writing instrument of Figure 52.(still, omitted script, operating body, elastomer and card and ended wall portion.)

Figure 55 is the B-B line profile of Figure 54.

Figure 56 is the profilograph of the state that front axle is separated with rear axle of the multi-refill writing instrument of expression Figure 54.(still, omitted script, operating body, elastomer and card and ended wall portion.)

Figure 57 is the front view of multi-refill writing instrument of the present invention with replaceable pen core.

Figure 58 is the right side view of Figure 57.

Figure 59 is the front view of the state in the packaging bag that the multi-refill writing instrument of Figure 57 is contained in replaceable pen core.

Figure 60 is the front view of the state in the packaging bag that the multi-refill writing instrument of Figure 57 is contained in replaceable pen core.

Figure 61 is the expression multi-refill writing instrument of having accommodated many chromosomes 57 with the submerge profilograph of state (during non-writing) of whole nibs of the multi-refill writing instrument of replaceable pen core.

The side view of Figure 62 state that to be expression open the rear end of the multi-refill writing instrument of Figure 61.

Figure 63 is the major part amplification profile of beam barrel rearward end of the 10th embodiment of multi-refill writing instrument of the present invention.

The major part oblique view of Figure 64 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Figure 63.

Figure 65 is the major part amplification profile of beam barrel rearward end of the 11st embodiment of multi-refill writing instrument of the present invention.

The major part oblique view of Figure 66 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Figure 65.

Figure 67 is the major part amplification profile of beam barrel rearward end of the 12nd embodiment of multi-refill writing instrument of the present invention.

The major part oblique view of Figure 68 state that to be expression open the open rearward end portion of the multi-refill writing instrument of Figure 67.

The specific embodiment

Illustrate and be used to implement best mode of the present invention.

[the 1st embodiment]

Represented the 1st embodiment of the present invention among Fig. 1 to Fig. 7.

The multi-refill writing instrument 1 of present embodiment is being accommodated many (specifically 2) scripts 6 in the mode that can move up in front and back in beam barrel 2.Aforementioned each script 6 is utilized elastomer 8 (compression helical spring specifically) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 3.On the front end of aforementioned front axle 3, axially run through the front aperture 31 that nib 61 that script 6 is set can protrude.Aforementioned front axle 3 and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 4, the radius vector direction runs through the elongate fenestra 41 that many (specifically 2) direction extension forwards, backwards is set.Aforementioned 2 fenestras are formed at toward each other on the position of axis symmetry.In addition, on the rearward end of aforementioned rear axle 4, be formed on the direction of principal axis and connect and the peristome 42 of radius vector direction outer openings.Aforementioned peristome 42 is communicated with fenestra 41 in the rear end of rear axle 4 (being the rear end of beam barrel 2), and thus, the mode of rearward cutting with fenestra 41 rear ends is opening rearward.On the other hand, the front end of aforementioned fenestra 41 keeps sealing.

Form guide portion 421 on aforementioned peristome 42 both sides inwalls, it contacts with the side slip of operating body 7 when operating body 7 inserts, the direction of restriction operating body 7 sides.And, the recess 421a that the anticreep projection 76 of formation operating body 7 can be inserted on aforementioned guide portion 421.Aforementioned guide portion 421 only is set to the shape that the operating portion 71 at operating body 7 just can insert under the state in the footpath direction outside.

In addition, on the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 43, the rear end of the operating body 7 of the script 6 when aforementioned card ends card in the wall portion 43 and ends nib 61 and protrude.

On the sidewall outer surface between the fenestra 41 of aforementioned rear axle 4, pen clip 44 is set.

(cap)

On the rearward end of aforementioned rear axle 4,, the cap 5 that makes aforementioned peristome 42 freely openables is set in the mode that can freely rotate.One end of aforementioned cap 5 utilizes hinge portion 52 to be connected on pen clip 44 base portions in the mode that can freely rotate.The right and left of the pen clip 44 of mentioned hinge portion 52 when facing pen clip 44 down with nib extends upward setting, and thus, aforementioned cap 5 is roughly freely rotating on the fore-and-aft direction.Front surface at aforementioned cap 5 forms contacting wall portion 51.In the aforementioned contacting wall portion 51, the rear end stop of each operating body 7 on script 6 rear ends of the state of submerging will be connected.In the present embodiment, mentioned hinge portion 52 specifically adopts the structure of utilizing turning cylinder to connect in the mode that can freely rotate, but in addition, also can be following structure, that is, utilization can diastrophicly have flexual connecting portion or thinner wall section connects integratedly.

Holding section 53 (specifically, forming engaging recessed part or connecting hole portion) is set on the front surface of the other end of aforementioned cap 5.On the rear end of rear axle 4, the portion that is stuck 45 (specifically, protrusion is provided with the engaging protuberance) that can engage with aforementioned holding section 53 is set.On the inner surface of aforementioned holding section 53 (engaging recessed part or connecting hole portion), form inwardly protruding, on the other hand, on the aforementioned outer surface that is stuck portion 45 (engaging protuberance), formation can cross aforementioned inwardly protruding and block end to outer lug.

Aforementioned holding section 53 and aforementioned being stuck between the portion 45, when sealing peristome 42, cap 5 is in mutual fastening state (specifically, being in export-oriented the protrusion crosses inwardly protruding and blocks the state that ends), by elastomer 8 rearward during the butt between the contacting wall portion 51 of the operating body 7 that causes of pretension and cap 5 front surfaces, this fastening state is not removed, and cap 5 just can not opened.

In addition, except aforementioned holding section 53 be stuck the structure of portion 45, also can be following structure, that is, aforementioned holding section 53 is made of the engaging protuberance, and the aforementioned portion 45 that is stuck is made of engaging recessed part or connecting hole portion.

(script)

Aforementioned each script 6 is replaceable refill for ball-point pens, is made of ball pen head (being nib 61) and ink containing tube 62, and the front end of this ball pen head keeps ball in rotatable mode, and this ink containing tube 62 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 62, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of the aqueous gel ink of shearing visbreaking, low viscosity aqueous ink, low viscosity oiliness ink, the ink rear end in ink containing tube 62, and what filling was advanced along with consumption of ink follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 62, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube.

(operating body)

Go up fitting operation body 7 in the rear end of aforementioned each script 6 (being the open rearward end portion of ink containing tube 62).Aforementioned each operating body 7 possesses: operating portion 71, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 72, it is arranged on the opposition side of this operating portion 71; Back bulge 73, it is arranged on the rear of the preceding bulge 72 of these operating portion 71 opposition sides; Embedded Division 74, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 62; And flange part 75, it is formed at the rear of this Embedded Division 74.Aforementioned Embedded Division 74 is when embedding the open rearward end portion of ink containing tube 62, and the open rearward end portion of not exclusively stopping up ink containing tube 62, so that the inside and outside of ink containing tube 62 can be ventilated.In addition, end the rear end of elastomer 8 at the front surface card of said flange portion 75.In addition, on two sides of aforementioned operation body 7, form anticreep projection 76.Aforementioned anticreep projection 76 can be fastened on two side wall inner surfaces of fenestra 41.

Nib 61 in script 6 is when submerging state, and the rearward end that is installed in the operating body 7 on this script 6 is formed on contacting wall portion 51 stop on the front surface of cap 5.On the other hand, when the nib 61 of script 6 was the protrusion state, the rearward end that is installed in the operating body 7 on this script 6 was only ended wall portion 43 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 72 of the operating body 7 that the rear end of script 6 of state links of nib, with the operating portion 71 of this operating body 7 forwards during slide, with back bulge 73 butts that are attached at the operating body 7 on other script 6 rear ends that before are in nib protrusion state, protrude state with the nib of removing other scripts 6.

(identification shows)

Aforementioned each operating body 7 is colored as and is housed in the roughly the same color of ink color of script 6 inside (being ink containing tube 62 inside) that linked.Specifically, aforementioned operation body 7 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 6 that is painted to and is linked respectively.Thus, aforementioned operation body 7 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 7 that the script 6 of black links is painted to black, with ink color be that the operating body 7 that blue script 6 links is painted to blueness, with ink color be that the operating body 7 that red script 6 links is painted to redness, with ink color be that the operating body 7 that green script 6 links is painted to green.In the present embodiment, mutually different 2 scripts 6 of ink color are contained in the beam barrel 2.

Particularly, under the situation of the structure that ink containing tube 62 is made of opaque material, perhaps ink containing tube 62 is made of transparent material, simultaneously internal ink is under the situation of structure of dye ink, be difficult to from the inner ink color of outside identification, then effectively play a role but operating body 7 is coloured to the roughly the same color of ink color, in the script 6 before the replacing that is present in beam barrel 2 outsides, can be easily from outside identification internal ink color.

In addition, under the situation of the mutually different ball pen of ball size that each script 6 is nibs 61, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 61 shows and is arranged on the operating portion 71 of operating body 7.In addition, under the situation of the mutually different writing implement of shape that each script 6 is nibs 61, preferably will show to be arranged on the operating portion 71 of operating body 7 with the corresponding identification of the shape of nib 61.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 61 of expression shows and shows with the corresponding identification of nib 61 shapes, also can be arranged on the operating portion 71 of the operating body 7 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 7.

(elastomer support portion)

On the inwall (being the inwall of rear axle 4) of beam barrel 2, elastomer cylindraceous support portion 9 is set.A plurality of (specifically 2) endoporus 91 that insertion script 6 is set is run through in aforementioned elastomer support portion 9 on direction of principal axis.Configuration elastomer 8 between the front surface of the flange part 75 of the rear surface of aforementioned elastomer support portion 9 and each operating body 7.Script 6 is inserted in inside at aforementioned each elastomer 8, and the front end of each elastomer 8 utilizes the rear surface card of elastomer support portion 9 to end, and the rear end card of each elastomer 8 ends on the front surface of the flange part 75 of operating body 7.

In addition, around each endoporus 91 of 9 rear surfaces, elastomer support portion, form the maintaining part 92 that constitutes by the tubular protuberance that rearward protrudes.The leading section outer surface of each elastomer 8 is pressed into and remains on the inner surface of aforementioned each maintaining part 92.Thus, can prevent that when changing each script 6 and operating body 7, each elastomer 8 comes off by peristome 42 in beam barrel 2.

Aforementioned each elastomer 8 is with each operating body 7 (being each script 6) pretension rearward always.Aforementioned each elastomer 8 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be script 6 by rearward the states of pretension), thus, can prevent the front and back play of each operating body 7.

(haunting of nib)

The action of haunting to the nib in the present embodiment 61 describes.

At the pretension rearward of elastomer 8 that the operating portion 71 of an operating body 7 is put up a resistance and along fenestra 41 forwards during slide, this is by the preceding bulge 72 of the operating body 7 of slide, and the back bulge 73 radius vector directions outside of operating portion 71 that before was in other scripts 6 of protrusion state is pushed open.Thus, the card of beam barrel 2 inwalls ends card between wall portion 43 and the operating body 7 and ends state and be disengaged, other scripts 6 are utilized the pretension rearward of elastomer 8 and are rearward moved, the nib 61 of other scripts 6 submerges in the beam barrel 2, contacting wall portion 51 butts of the rear end of the operating portion 71 of other scripts 6 and cap 5 front surfaces and by stop.Submerge simultaneously with the nib 61 of aforementioned other scripts 6, with aforementioned quilt forwards the nib 61 of the script 6 that links of the operating body 7 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 7 of slide forwards, the card that card ends at beam barrel 2 inwalls ends in the wall portion 43, keeps this nib to protrude state.

(replacing of script and operating body)

Replacing to script in the present embodiment 6 and operating body 7 describes.

When changing script 6, from the state (with reference to Fig. 3 and Fig. 6) of cap 5 with peristome 42 sealings of beam barrel 2 rear ends, rearward push with operative end hinge portion 52 opposite sides cap 5, engagement release portion 53 and be stuck engaging between the portion 45, cap 5 is rearward rotated, the peristome 42 of the rear end of beam barrel 2 is opened.If aforementioned peristome 42 is opened, then each operating body 7 utilizes the pretension rearward of elastomer 8 to protrude from aforementioned peristome 42 is rearward outside.Under the state (with reference to Fig. 5 and Fig. 7) that the peristome 42 of the rear end of aforementioned beam barrel 2 is opened, by taking out operating body 7, to be in the script 6 of this operating body 7 mutual connecting states and in beam barrel 2, take out by aforementioned peristome 42, afterwards, the new script 6 and the new operating body 7 that will be in mutual connecting state inserts in the beam barrel 2 by aforementioned peristome 42.Then, the rear end of each operating body 7 is connected in the contacting wall portion 51 of cap 5, each operating body 7 forwards push on one side cap forwards rotated on one side, then, make holding section 53 and be stuck portion's 45 engagings, peristome 42 is sealed.Thus, finish the replacing operation of script 6 and operating body 7.

[the 2nd embodiment]

Expression the 2nd embodiment of the present invention among Fig. 8.

The structure of the multi-refill writing instrument 1 of present embodiment is, as shown in Figure 8, with the end (operative end) of the cap 5 of hinge portion 52 opposite sides on form pen clip, when the closed state of cap 5, aforementioned pen clip becomes and forwards extends the state that is provided with, thus, can be by pen clip be carried out rotating operation and cap 5 is carried out opening and closing operations.In addition, because other structure is identical with the 1st embodiment, so omit its explanation

[the 3rd embodiment]

Fig. 9 to Figure 16 represents the 3rd embodiment of the present invention.

The multi-refill writing instrument 1 of present embodiment, the mode that moves with direction forwards, backwards in its beam barrel 2 is accommodated many (specifically 2) scripts 6.Aforementioned each script 6 is utilized elastomer 8 (specifically, being compression helical spring) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 3.On the front end of aforementioned front axle 3, axially run through the front aperture 31 that nib 61 that script 6 is set can protrude.Aforementioned front axle 3 and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 4, the radius vector direction runs through the elongate fenestra 41 that many (specifically 2) direction extension forwards, backwards is set.Aforementioned 2 fenestras are formed at toward each other on the position of axis symmetry.In addition, on the rearward end of aforementioned rear axle 4, be formed on the direction of principal axis and connect and the peristome 42 of radius vector direction outer openings.Aforementioned peristome 42 is communicated with fenestra 41 in the rear end of rear axle 4 (being the rear end of beam barrel 2), and thus, the mode of rearward cutting with fenestra 41 rear ends is opening rearward.On the other hand, the front end of aforementioned fenestra 41 keeps sealing.

The sidewall of the rearward end of aforementioned rear axle 4 (rearward end of beam barrel 2) utilizes the aforementioned rear end fenestra 41 of opening rearward, is cut apart on the direction of footpath.In addition, on the outer peripheral face of the rearward end sidewall of aforementioned rear axle 4, form external thread part 45.

Form guide portion 421 on the both sides inwall of the front end of aforementioned peristome 42, it contacts with the side slip of operating body when operating body 7 inserts, and limits the direction of operating body 7 sides.And, the recess 421a that the anticreep projection 76 of formation operating body 7 can be inserted on aforementioned guide portion 421.

In addition, on the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 43, the rear end of the operating body 7 of the script 6 when aforementioned card ends card in the wall portion 43 and ends nib 61 and protrude.

On the sidewall outer between the fenestra 41 of aforementioned rear axle 4, pen clip 44 is set.

(cap)

On the rearward end of aforementioned rear axle 4, screw togather the cap 5 that can seal aforementioned peristome 42 in the mode that can freely load and unload.Aforementioned cap 5 is made of the core 52 that front end links integratedly by the tube portion 53 of opening with these 53 inner surfaces (in detail, being the inner peripheral surface of the rearward end of this one 53).On the inner peripheral surface of aforementioned tube portion 53, form internal thread part 54.The external thread part 54 of aforementioned tube portion 53 is screwed with the external thread part 45 of rear axle 4 rearward end.

The leading section of aforementioned core 52 has cylindrical shape, when aforementioned cap 5 is screwed on the rearward end of rear axle 4 (, when the external thread part 45 of the internal thread part 54 of tube portion 53 and rear axle 4 rearward end is screwed), insert in the guide portion 421, become simultaneously and will be attached at the contacting wall portion 51 of the rear end stop of each operating body 7 on script 6 rear ends of the state of submerging.In addition, when being screwed on the rearward end of rear axle 4 in the tube portion 53 with cap 5, the rear portion outer peripheral face of aforementioned core 52 and outer peripheral face have the inner peripheral surface butt of rearward end of the rear axle 4 of external thread part 45.Thus, can suppress the rear end by the fenestra 41 of opening rearward end at the divided rear axle 4 of footpath direction, when being screwed on the rearward end of rear axle 4 in tube portion 53 with cap 5, the distortion of radius vector direction inboard.

(script)

Aforementioned each script 6 is replaceable refill for ball-point pens, is made of ball pen head (being nib 61) and ink containing tube 62, and the front end of this ball pen head keeps ball in rotatable mode, and this ink containing tube 62 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 62, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of aqueous gel ink, low viscosity aqueous ink or the low viscosity oiliness ink of shearing visbreaking, what advanced along with consumption of ink in the ink rear end in ink containing tube 62, filling follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 62, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube.

(operating body)

Go up fitting operation body 7 in the rear end of aforementioned each script 6 (being the open rearward end portion of ink containing tube 62).Aforementioned each operating body 7 possesses: operating portion 71, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 72, it is arranged on the opposition side of this operating portion 71; Back bulge 73, it is arranged on the rear of the preceding bulge 72 of these operating portion 71 opposition sides; Embedded Division 74, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 62; And flange part 75, it is formed at the rear of this Embedded Division 74.Aforementioned Embedded Division 74 is when embedding the open rearward end portion of ink containing tube 62, and the open rearward end portion of not exclusively stopping up ink containing tube 62, so that the inside and outside of ink containing tube 62 can be ventilated.In addition, end the rear end of elastomer 8 at the front surface card of said flange portion 75.In addition, on two sides of aforementioned operation body 7, form anticreep projection 76.Aforementioned anticreep projection 76 can be fastened on two side wall inner surfaces of fenestra 41.

Nib 61 in script 6 is when submerging state, and the rearward end that is installed in the operating body 7 on this script 6 is formed on contacting wall portion 51 stop on the front surface of cap 5.On the other hand, when the nib 61 of script 6 was the protrusion state, the rearward end that is installed in the operating body 7 on this script 6 was only ended wall portion 43 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 72 of the operating body 7 that the rear end of script 6 of state links of nib, with the operating portion 71 of this operating body 7 forwards during slide, with back bulge 73 butts that are attached at the operating body 7 on other script 6 rear ends that before are in nib protrusion state, protrude state with the nib of removing other scripts 6.

(identification shows)

Aforementioned each operating body 7 is colored as and is housed in the roughly the same color of ink color of script 6 inside (being ink containing tube 62 inside) that linked.Specifically, aforementioned operation body 7 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 6 that is painted to and is linked respectively.Thus, aforementioned operation body 7 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 7 that the script 6 of black links is painted to black, with ink color be that the operating body 7 that blue script 6 links is painted to blueness, with ink color be that the operating body 7 that red script 6 links is painted to redness, with ink color be that the operating body 7 that green script 6 links is painted to green.In the present embodiment, mutually different 2 scripts 6 of ink color are contained in the beam barrel 2.

In addition, under the situation of the mutually different ball pen of ball size that each script 6 is nibs 61, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 61 shows and is arranged on the operating portion 71 of operating body 7.In addition, under the situation of the mutually different writing implement of shape that each script 6 is nibs 61, preferably will show to be arranged on the operating portion 71 of operating body 7 with the corresponding identification of the shape of nib 61.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 61 of expression shows and shows with the corresponding identification of nib 61 shapes, also can be arranged on the operating portion 71 of the operating body 7 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 7.

Particularly, under the situation of the structure that ink containing tube 62 is made of opaque material, perhaps ink containing tube 62 is made of transparent material, simultaneously internal ink is under the situation of structure of dye ink, be difficult to from the inner ink color of outside identification, then effectively play a role but operating body 7 is coloured to the roughly the same color of ink color, in the script 6 before the replacing that is present in beam barrel 2 outsides, can be easily from outside identification internal ink color.

(elastomer support portion)

On the inwall (being the inwall of rear axle 4) of beam barrel 2, elastomer cylindraceous support portion 9 is set.A plurality of (specifically 2) endoporus 91 that insertion script 6 is set is run through in aforementioned elastomer support portion 9 on direction of principal axis.Configuration elastomer 8 between the front surface of the flange part 75 of the rear surface of aforementioned elastomer support portion 9 and each operating body 7.Script 6 is inserted in inside at aforementioned each elastomer 8, and the front end of each elastomer 8 utilizes the rear surface card of elastomer support portion 9 to end, and the rear end card of each elastomer 8 ends on the front surface of the flange part 75 of operating body 7.

In addition, around each endoporus 91 of 9 rear surfaces, elastomer support portion, form the maintaining part 92 that constitutes by the tubular protuberance that rearward protrudes.The leading section outer surface of each elastomer 8 is pressed into and remains on the inner surface of aforementioned each maintaining part 92.Thus, can prevent that when changing each script 6 and operating body 7, each elastomer 8 comes off by peristome 42 in beam barrel 2.

Aforementioned each elastomer 8 is with each operating body 7 (being each script 6) pretension rearward always.Aforementioned each elastomer 8 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be script 6 by rearward the states of pretension), thus, can prevent the front and back play of each operating body 7.

(haunting of nib)

The action of haunting to the nib in the present embodiment 61 describes.

During at the pretension rearward of elastomer 8 that the operating portion 71 of an operating body 7 is put up a resistance and along operation that fenestra 41 forwards slides, this is by the preceding bulge 72 of the operating body 7 of slide, pushes open before being in the back bulge 73 radius vector directions outside of operating body 7 that nib protrudes other scripts 6 of state.Thus, the card of beam barrel 2 inwalls ends card between wall portion 43 and the operating body 7 and ends state and be disengaged, other scripts 6 are utilized the pretension rearward of elastomer 8 and are rearward moved, the pen of other scripts 6 loses 61 and submerges in the beam barrel 2, contacting wall portion 51 butts of the rear end of the operating body 7 of other scripts 6 and cap 5 front surfaces and by stop.Submerge simultaneously with the nib 61 of aforementioned other scripts 6, with aforementioned quilt forwards the nib 61 of the script 6 that links of the operating body 7 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 7 of slide forwards, the card that card ends at beam barrel 2 inwalls ends in the wall portion 43, keeps this nib to protrude state.

(replacing of script and operating body)

Replacing to script in the present embodiment 6 and operating body 7 describes.

When changing script 6, from the state (with reference to Figure 15) of cap 5 with peristome 42 sealings of beam barrel 2 rear ends, the state that screws togather between the external thread part 45 of the internal thread part 54 of releasing cap 5 and the rearward end of beam barrel 2, by cap 5 is pulled down from the rearward end of beam barrel 2, the peristome 42 of the rear end of beam barrel 2 is opened.If aforementioned peristome 42 is opened, then each operating body 7 utilizes the pretension rearward of elastomer 8 to protrude from aforementioned peristome 42 is rearward outside.Under the state (with reference to Figure 16) that the peristome 42 of the rear end of aforementioned beam barrel 2 is opened, by taking out operating body 7, to be in the script 6 of this operating body 7 mutual connecting states and in beam barrel 2, take out by aforementioned peristome 42, afterwards, the new script 6 and the new operating body 7 that will be in mutual connecting state inserts in the beam barrel 2 by aforementioned peristome 42.Then, the rear end of each operating body 7 is connected in the contacting wall portion 51 of cap 5, on one side each operating body 7 is forwards pushed, on one side aforementioned cap 5 is screwed on the rearward end of beam barrel 2, with peristome 42 sealings.Thus, finish the replacing operation of script 6 and operating body 7.

[the 4th embodiment]

Expression the 4th embodiment of the present invention among Figure 17 to Figure 25.

The multi-refill writing instrument 1 of present embodiment, the mode that moves with direction forwards, backwards in its beam barrel 2 is accommodated many (specifically 2) scripts 6.Aforementioned each script 6 is utilized elastomer 8 (specifically, being compression helical spring) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 3.On the front end of aforementioned front axle 3, axially run through the front aperture 31 that nib 61 that script 6 is set can protrude.Aforementioned front axle 3 and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 4, the radius vector direction runs through the elongate fenestra 41 that many (specifically 2) direction extension forwards, backwards is set.Aforementioned 2 fenestras 41 are formed at toward each other on the position of axis symmetry.In addition, on the rearward end of aforementioned rear axle 4, be formed on the direction of principal axis and connect and the peristome 42 of radius vector direction outer openings.Aforementioned peristome 42 is communicated with fenestra 41 in the rear end of rear axle 4 (being the rear end of beam barrel 2), and thus, fenestra 41 rear ends are opening rearward.On the other hand, the front end of aforementioned fenestra 41 keeps sealing.

The sidewall of the rearward end of aforementioned rear axle 4 (rearward end of beam barrel 2) utilizes aforementioned rear end two fenestras 41 of opening rearward, is divided into 2 parts on the direction of footpath.In addition, on each outer peripheral face of the aforementioned rear axle 4 rearward end sidewalls that are being divided into 2 parts on the direction of footpath, form by the 45A of the portion that is stuck, the 45B that constitute to outer lug.Aforementioned 2 are stuck the 45A of portion, 45B, are arranged on toward each other on the position of axis symmetry.

On the inwall of the both sides of aforementioned peristome 42, form guide portion 421, the direction radially when insert the side of its restriction operating body 7.And, the recess 421a that the anticreep projection 76 of formation operating body 7 can be inserted on aforementioned guide portion 421.

In addition, on the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 43, operating body 7 rear ends of the script 6 when aforementioned card ends card in the wall portion 43 and ends nib 61 and protrude.

On the sidewall outer surface pen clip 44 is being set between the fenestra 41 of aforementioned rear axle 4.Aforementioned one is stuck the base portion dead astern of pen clip 44 that the 45A of portion is arranged on the side outer surface of rear axle 4, and aforementioned another is stuck the 45B of portion and is arranged on aforementioned and is stuck on the side outer surface of the 45A of portion with respect to the rear axle 4 of the symmetric position of axis (being the opposition side on the footpath direction of pen clip 44).

(cap)

The cap 5 that can seal aforementioned peristome 42 in the mode that can freely load and unload on the rearward end of crossing and being fastened on aforementioned rear axle 4 on the direction of principal axis.Aforementioned cap 5 is by constituting with the lower part: discoideus main body 52; 2 pin sheets, they forwards protrude from aforementioned body 52; Contacting wall portion 51, it is made of the protuberance that is formed at aforementioned body 52 central authorities and forwards protrude.Aforementioned cap 5 utilizes the injection mo(u)lding of synthetic resin (for example polypropylene etc.) and forms.

In addition, on aforementioned each pin sheet, form the connecting hole (being holding section 53A, 53B) that runs through on the direction of footpath.2 of rearward end sidewall outer surface that aforementioned 2 holding section 53A, 53B can cross aforementioned rear axle 4 are stuck the 45A of portion, 45B and engage.In addition, in the present embodiment, the length of aforementioned 2 pin sheet direction of principal axis differs from one another, and the axial length setting of the pin sheet of the opposite side of pen clip is the pin length of a film than pen clip side, but direction of principal axis length also can be identical.In addition, connecting hole can not run through on the direction of footpath yet, in addition, for example can be the depressed part that is formed on the footpath direction inner surface of pin sheet yet.

In the time of on the rearward end that aforementioned cap 5 is installed in rear axle 4 (, holding section 53A, 53B and be stuck that the 45A of portion, 45B cross mutually and when engaging), aforementioned contacting wall portion 51 is inserted in the guide portion 421, and will be attached at each operating body 7 stop of script 6 rear ends of the state of submerging.In addition, in the time of on the rearward end that aforementioned cap 5 is installed in rear axle 4, the outer peripheral face of aforementioned contacting wall portion 51 is crimped on the inwall (guide portion 421) of peristome 42.Thus, the 45A of the portion that is stuck, the 45B of outer surface that can be suppressed at the rearward end of holding section 53A, the 53B of cap 5 and rear axle 4 crosses mutually and when engaging, by the fenestra 41 of open rearward end on the direction of footpath the rearward end of divided rear axle 4, on the direction of footpath to internal strain.

(script)

Aforementioned each script 6 is replaceable refill for ball-point pens, is made of ball pen head (being nib 61) and ink containing tube 62, and the front end of this ball pen head keeps ball in rotatable mode, and this ink containing tube 62 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 62, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of aqueous gel ink, low viscosity aqueous ink or the low viscosity oiliness ink of shearing visbreaking, what advanced along with consumption of ink in the ink rear end in ink containing tube 62, filling follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 62, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube 62.

(operating body)

Go up fitting operation body 7 in the rear end of aforementioned each script 6 (being the open rearward end portion of ink containing tube 62).Aforementioned each operating body 7 possesses: operating portion 71, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 72, it is arranged on the opposition side of this operating portion 71; Back bulge 73, it is arranged on the rear of the preceding bulge 72 of these operating portion 71 opposition sides; Embedded Division 74, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 62; And flange part 75, it is formed at the rear of this Embedded Division 74.Aforementioned Embedded Division 74 is when embedding the open rearward end portion of ink containing tube 62, and the open rearward end portion of not exclusively stopping up ink containing tube 62, so that the inside and outside of ink containing tube 62 can be ventilated.In addition, end the rear end of elastomer 8 at the front surface card of said flange portion 75.In addition, on two sides of aforementioned operation body 7, form anticreep projection 76.Aforementioned anticreep projection 76 can be fastened on two side wall inner surfaces of fenestra 41.

Nib 61 in script 6 is when submerging state, and the rearward end that is installed in the operating body 7 on this script 6 is formed on contacting wall portion 51 stop on the front surface of cap 5.On the other hand, when the nib 61 of script 6 was the protrusion state, the rearward end that is installed in the operating body 7 on this script 6 was only ended wall portion 43 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 72 of the operating body 7 that the rear end of script 6 of state links of nib, with the operating portion 71 of this operating body 7 forwards during slide, with back bulge 73 butts that are attached at the operating body 7 on other script 6 rear ends that before are in nib protrusion state, protrude state with the nib of removing other scripts 6.

(identification shows)

Aforementioned each operating body 7 is colored as and is housed in the roughly the same color of ink color of script 6 inside (being ink containing tube 62 inside) that linked.Specifically, aforementioned operation body 7 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 6 that is painted to and is linked respectively.Thus, aforementioned operation body 7 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 7 that the script 6 of black links is painted to black, with ink color be that the operating body 7 that blue script 6 links is painted to blueness, with ink color be that the operating body 7 that red script 6 links is painted to redness, with ink color be that the operating body 7 that green script 6 links is painted to green.In the present embodiment, mutually different 2 scripts 6 of ink color are contained in the beam barrel 2.

Particularly, under the situation of the structure that ink containing tube 62 is made of opaque material, perhaps ink containing tube 62 is made of transparent material, simultaneously internal ink is under the situation of structure of dye ink, be difficult to from the inner ink color of outside identification, then effectively play a role but operating body 7 is coloured to the roughly the same color of ink color, in the script 6 before the replacing that is present in beam barrel 2 outsides, can be easily from outside identification internal ink color.

In addition, under the situation of the mutually different ball pen of ball size that each script 6 is nibs 61, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 61 shows and is arranged on the operating portion 71 of operating body 7.In addition, under the situation of the mutually different writing implement of shape that each script 6 is nibs 61, preferably will show to be arranged on the operating portion 71 of operating body 7 with the corresponding identification of the shape of nib 61.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 61 of expression shows and shows with the corresponding identification of nib 61 shapes, also can be arranged on the operating portion 71 of the operating body 7 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 7.

(elastomer support portion)

On the inwall (being the inwall of rear axle 4) of beam barrel 2, elastomer cylindraceous support portion 9 is set.A plurality of (specifically 2) endoporus 91 that insertion script 6 is set is run through in aforementioned elastomer support portion 9 on direction of principal axis.Configuration elastomer 8 between the front surface of the flange part 75 of the rear surface of aforementioned elastomer support portion 9 and each operating body 7.Script 6 is inserted in inside at aforementioned each elastomer 8, and the front end of each elastomer 8 utilizes the rear surface card of elastomer support portion 9 to end, and the rear end card of each elastomer 8 ends on the front surface of the flange part 75 of operating body 7.

In addition, around each endoporus 91 of 9 rear surfaces, elastomer support portion, form the maintaining part 92 that constitutes by the tubular protuberance that rearward protrudes.The leading section outer surface of each elastomer 8 is pressed into and remains on the inner surface of aforementioned each maintaining part 92.Thus, can prevent that when changing each script 6 and operating body 7, each elastomer 8 comes off by peristome 42 in beam barrel 2.

Aforementioned each elastomer 8 is with each operating body 7 (being each script 6) pretension rearward always.Aforementioned each elastomer 8 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be script 6 by rearward the states of pretension), thus, can prevent the front and back play of each operating body 7.

(haunting of nib)

The action of haunting to the nib in the present embodiment 61 describes.

At the rear pretension of elastomer 8 that the operating portion 71 of an operating body 7 is put up a resistance and along fenestra 41 forwards during slide, this is by the preceding bulge 72 of the operating body 7 of slide, pushes open before being in the back bulge 73 radius vector directions outside of operating body 7 that nib protrudes other scripts 6 of state.Thus, the card of beam barrel 2 inwalls ends card between wall portion 43 and the operating body 7 and ends state and be disengaged, other scripts 6 are utilized the pretension rearward of elastomer 8 and are rearward moved, the nib 61 of other scripts 6 submerges in the beam barrel 2, contacting wall portion 51 butts of the rear end of the operating body 7 of other scripts 6 and cap 5 front surfaces and by stop.Submerge simultaneously with the nib 61 of aforementioned other scripts 6, with aforementioned quilt forwards the nib 61 of the script 6 that links of the operating body 7 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 7 of slide forwards, the card that card ends at beam barrel 2 inwalls ends in the wall portion 43, keeps this nib to protrude state.

(replacing of script and operating body)

Replacing to script in the present embodiment 6 and operating body 7 describes.

When changing script 6, from the state (with reference to Figure 24) of cap 5 with peristome 42 sealings of beam barrel 2 rear ends, fastening state between the 45A of the portion that is stuck, the 45B of holding section 53A, the 53B of releasing cap 5 and the rearward end of beam barrel 2, by cap 5 is rearward pulled down from the rearward end of beam barrel 2, the peristome 42 of beam barrel 2 rear ends is opened.If aforementioned peristome 42 is opened, then each operating body 7 utilizes the pretension rearward of elastomer 8 to protrude from aforementioned peristome 42 is rearward outside.Under the state (with reference to Figure 25) that the peristome 42 of the rear end of aforementioned beam barrel 2 is opened, by taking out operating body 7, to be in the script 6 of this operating body 7 mutual connecting states and in beam barrel 2, take out by aforementioned peristome 42, afterwards, the new script 6 and the new operating body 7 that will be in mutual connecting state inserts in the beam barrel 2 by aforementioned peristome 42.Then, each operating body 7 is connected in the contacting wall portion 51 of cap 5, on one side each operating body 7 is forwards pushed, make on one side 2 holding section 53A, 53B of aforementioned cap 5 and 2 of beam barrel 2 rearward end be stuck the 45A of portion, 45B, on direction of principal axis, cross mutually and engage, thus, cap 5 is installed on the rearward end of beam barrel 2, with peristome 42 sealings.Thus, finish the replacing operation of script 6 and operating body 7.

[the 5th embodiment]

Expression the 5th embodiment of the present invention among Figure 26 to Figure 33.

The multi-refill writing instrument 1 of present embodiment, the mode that moves with direction forwards, backwards in its beam barrel 2 is accommodated many (specifically 2) scripts 6.Aforementioned each script 6 is utilized elastomer 8 (specifically, being compression helical spring) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 3.On the front end of aforementioned front axle 3, axially run through the front aperture 31 that nib 61 that script 6 is set can protrude.Aforementioned front axle 3 and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 4, the radius vector direction runs through the elongate fenestra 41 that many (specifically 2) direction extension forwards, backwards is set.Aforementioned 2 fenestras 41 are formed at toward each other on the position of axis symmetry.In addition, on the rearward end of aforementioned rear axle 4, be formed on the direction of principal axis and connect and the peristome 42 of radius vector direction outer openings.Aforementioned peristome 42 is communicated with fenestra 41 in the rear end of rear axle 4 (being the rear end of beam barrel 2), and thus, the mode of rearward cutting with fenestra 41 rear ends is opening rearward.On the other hand, the front end of aforementioned fenestra 41 keeps sealing.

The sidewall of the rearward end of aforementioned rear axle 4 (rearward end of beam barrel 2), by aforementioned rear end rearward the fenestra 41 of opening on the direction of footpath, cut apart.In addition, on each rear end face of each sidewall of the rearward end of the divided rear axle 4 of aforementioned footpath direction, form in peristome 42 both sides and to be parallel to each other and 2 raised lines that the radius vector direction is extended.On the outer surface separately of aforementioned 2 raised lines, be provided with the extension of raised line and form slot (promptly being stuck the 45A of portion, 45B) on the identical direction of direction.

On the inwall of the both sides of aforementioned peristome 42, form guide portion 421, the direction radially when insert the side of its restriction operating body 7.And, the recess 421a that the anticreep projection 76 of formation operating body 7 can be inserted on aforementioned guide portion 421.

In addition, on the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 43, operating body 7 rear ends of the script 6 when aforementioned card ends card in the wall portion 43 and ends nib 61 and protrude.

On the sidewall outer surface pen clip 44 is being set between the fenestra 41 of aforementioned rear axle 4.Aforementioned one is stuck the base portion dead astern of pen clip 44 that the 45A of portion is arranged on the side outer surface of rear axle 4, and aforementioned another is stuck the 45B of portion and is arranged on aforementioned and is stuck on the side outer surface of the 45A of portion with respect to the rear axle 4 of the symmetric position of axis (being the opposition side on the footpath direction of pen clip 44).

(cap)

Can seal the mode of cap 5 can freely loading and unloading of aforementioned peristome 42, be slidingly fastened in vertical direction on the rearward end of aforementioned rear axle 4.Aforementioned cap 5 is by constituting with the lower part: discoideus main body 52; 2 pin sheets, they forwards protrude from aforementioned body 52; Contacting wall portion 51, it is made of the protuberance that is formed at aforementioned body 52 central authorities and forwards protrude.Aforementioned cap 5 utilizes the injection mo(u)lding of synthetic resin (for example polypropylene etc.) and forms.

In addition, on each inner surface of aforementioned pin sheet, form the raised line (being holding section 53A, 53B) that the radius vector direction is extended.The 45A of the portion that is stuck, 45B that aforementioned two holding section 53A, the 53B that are made of aforementioned 2 raised lines can constitute with 2 slots by the rear end face of aforementioned rear axle 4 are slidingly fastened on the direction (i.e. footpath direction) perpendicular to axis.

In the time of on the rearward end that aforementioned cap 5 is installed in rear axle 4 (, holding section 53A, 53B and be stuck the 45A of portion, when 45B is slidingly fastened), aforementioned contacting wall portion 51 is inserted in the guide portion 421, and will be attached at the rear end stop of each operating body 7 of script 6 rear ends of the state of submerging.In addition, in the time of on the rearward end that aforementioned cap 5 is installed in rear axle 4, the outer peripheral face of aforementioned contacting wall portion 51 is crimped on the inwall (guide portion 421) of peristome 42.Thus, can be suppressed at holding section 53A, the 53B of cap 5 and rear axle 4 rearward end outer surface the 45A of the portion that is stuck, when 45B is slidingly fastened, the rearward end of the rear axle of on the direction of footpath, cutting apart by the fenestra 41 of open rearward end 4, on the direction of footpath to internal strain.

(script)

Aforementioned each script 6 is replaceable refill for ball-point pens, is made of ball pen head (being nib 61) and ink containing tube 62, and the front end of this ball pen head keeps ball in rotatable mode, and this ink containing tube 62 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 62, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of aqueous gel ink, low viscosity aqueous ink or the low viscosity oiliness ink of shearing visbreaking, what advanced along with consumption of ink in the ink rear end in ink containing tube 62, filling follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 62, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube.

(operating body)

Go up fitting operation body 7 in the rear end of aforementioned each script 6 (being the open rearward end portion of ink containing tube 62).Aforementioned each operating body 7 possesses: operating portion 71, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 72, it is arranged on the opposition side of this operating portion 71; Back bulge 73, it is arranged on the rear of the preceding bulge 72 of these operating portion 71 opposition sides; Embedded Division 74, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 62; And flange part 75, it is formed at the rear of this Embedded Division 74.Aforementioned Embedded Division 74 is when embedding the open rearward end portion of ink containing tube 62, and the open rearward end portion of not exclusively stopping up ink containing tube 62, so that the inside and outside of ink containing tube 62 can be ventilated.In addition, end the rear end of elastomer 8 at the front surface card of said flange portion 75.In addition, on two sides of aforementioned operation body 7, form anticreep projection 76.Aforementioned anticreep projection 76 can be fastened on two side wall inner surfaces of fenestra 41.

Nib 61 in script 6 is when submerging state, and the rearward end that is installed in the operating body 7 on this script 6 is formed on contacting wall portion 51 stop on the front surface of cap 5.On the other hand, when the nib 61 of script 6 was the protrusion state, the rearward end that is installed in the operating body 7 on this script 6 was only ended wall portion 43 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 72 of the operating body 7 that the rear end of script 6 of state links of nib, with the operating portion 71 of this operating body 7 forwards during slide, with back bulge 73 butts that are attached at the operating body 7 on other script 6 rear ends that before are in nib protrusion state, protrude state with the nib of removing other scripts 6.

(identification shows)

Aforementioned each operating body 7 is colored as and is housed in the roughly the same color of ink color of script 6 inside (being ink containing tube 62 inside) that linked.Specifically, aforementioned operation body 7 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 6 that is painted to and is linked respectively.Thus, aforementioned operation body 7 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 7 that the script 6 of black links is painted to black, with ink color be that the operating body 7 that blue script 6 links is painted to blueness, with ink color be that the operating body 7 that red script 6 links is painted to redness, with ink color be that the operating body 7 that green script 6 links is painted to green.In the present embodiment, mutually different 2 scripts 6 of ink color are contained in the beam barrel 2.

In addition, under the situation of the mutually different ball pen of ball size that each script 6 is nibs 61, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 61 shows and is arranged on the operating portion 71 of operating body 7.In addition, under the situation of the mutually different writing implement of shape that each script 6 is nibs 61, preferably will show to be arranged on the operating portion 71 of operating body 7 with the corresponding identification of the shape of nib 61.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 61 of expression shows and shows with the corresponding identification of nib 61 shapes, also can be arranged on the operating portion 71 of the operating body 7 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 7.

(elastomer support portion)

On the inwall (being the inwall of rear axle 4) of beam barrel 2, elastomer cylindraceous support portion 9 is set.A plurality of (specifically 2) endoporus 91 that insertion script 6 is set is run through in aforementioned elastomer support portion 9 on direction of principal axis.Configuration elastomer 8 between the front surface of the flange part 75 of the rear surface of aforementioned elastomer support portion 9 and each operating body 7.Script 6 is inserted in inside at aforementioned each elastomer 8, and the front end of each elastomer 8 utilizes the rear surface card of elastomer support portion 9 to end, and the rear end card of each elastomer 8 ends on the front surface of the flange part 75 of operating body 7.

In addition, around each endoporus 91 of 9 rear surfaces, elastomer support portion, form the maintaining part 92 that constitutes by the tubular protuberance that rearward protrudes.The leading section outer surface of each elastomer 8 is pressed into and remains on the inner surface of aforementioned each maintaining part 92.Thus, can prevent that when changing each script 6 and operating body 7, each elastomer 8 comes off by peristome 42 in beam barrel 2.

Aforementioned each elastomer 8 is with each operating body 7 (being each script 6) pretension rearward always.Aforementioned each elastomer 8 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be script 6 by rearward the states of pretension), thus, can prevent the front and back play of each operating body 7.

(haunting of nib)

The action of haunting to the nib in the present embodiment 61 describes.

During at the pretension rearward of elastomer 8 that the operating portion 71 of an operating body 7 is put up a resistance and along operation that fenestra 41 forwards slides, this is by the preceding bulge 72 of the operating body 7 of slide, pushes open before being in the back bulge 73 radius vector directions outside of operating body 7 that nib protrudes other scripts 6 of state.Thus, the card of beam barrel 2 inwalls ends card between wall portion 43 and the operating body 7 and ends state and be disengaged, other scripts 6 are utilized the pretension rearward of elastomer 8 and are rearward moved, the nib 61 of other scripts 6 submerges in the beam barrel 2, contacting wall portion 51 butts of the rear end of the operating body 7 of other scripts 6 and cap 5 front surfaces and by stop.Submerge simultaneously with the nib 61 of aforementioned other scripts 6, with aforementioned quilt forwards the nib 61 of the script 6 that links of the operating body 7 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 7 of slide forwards, the card that card ends at beam barrel 2 inwalls ends in the wall portion 43, keeps this nib to protrude state.

(replacing of script and operating body)

Replacing to script in the present embodiment 6 and operating body 7 describes.

When changing script 6, from the state (with reference to Figure 32) of cap 5 with peristome 42 sealings of beam barrel 2 rear ends, fastening state between the 45A of the portion that is stuck, the 45B of holding section 53A, the 53B of releasing cap 5 and the rearward end of beam barrel 2, pull down by cap 5 is slided from the rearward end radius vector direction of beam barrel 2, the peristome 42 of beam barrel 2 rear ends is opened.If aforementioned peristome 42 is opened, then each operating body 7 utilizes the pretension rearward of elastomer 8 to protrude from aforementioned peristome 42 is rearward outside.Under the state (with reference to Figure 33) that the peristome 42 of the rear end of aforementioned beam barrel 2 is opened, by taking out operating body 7, to be in the script 6 of this operating body 7 mutual connecting states and in beam barrel 2, take out by aforementioned peristome 42, afterwards, the new script 6 and the new operating body 7 that will be in mutual connecting state inserts in the beam barrel 2 by aforementioned peristome 42.Then, make 2 of rearward end of 2 holding section 53A, 53B of aforementioned cap 5 and beam barrel 2 be stuck the 45A of portion, 45B and on the direction of footpath, be slidingly fastened, thus, cap 5 is installed on the rearward end of beam barrel 2, peristome 42 sealings.Thus, finish the replacing operation of script 6 and operating body 7.

[the 6th embodiment]

Expression the 6th embodiment of the present invention among Figure 34 to Figure 43.

The multi-refill writing instrument 1 of present embodiment, the mode that moves with direction forwards, backwards in its beam barrel 2 is accommodated many (specifically 2) scripts 6.Aforementioned each script 6 is utilized elastomer 8 (specifically, being compression helical spring) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 3.On the front end of aforementioned front axle 3, axially run through the front aperture 31 that nib 61 that script 6 is set can protrude.Aforementioned front axle 3 and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 4, the radius vector direction runs through the elongate fenestra 41 that many (specifically 2) direction extension forwards, backwards is set.Aforementioned 2 fenestras 41 are formed at toward each other on the position of axis symmetry.In addition, on the rearward end of aforementioned rear axle 4, be formed on the direction of principal axis and connect and the peristome 42 of radius vector direction outer openings.Aforementioned peristome 42 is communicated with fenestra 41 in the rear end of rear axle 4 (being the rear end of beam barrel 2), and thus, the mode of rearward cutting with fenestra 41 rear ends is opening rearward.On the other hand, the front end of aforementioned fenestra 41 keeps sealing.

On the sidewall outer surface between the fenestra 41 of aforementioned rear axle 4, pen clip 44 is set.Rear at the base portion of aforementioned pen clip 44 forms the rear protuberance.Aforementioned rear protuberance protrudes to the rear of the rear end face of rear axle 4.On the direction inner surface of the footpath of aforementioned rear protuberance, form of constituting and be stuck the 45A of portion by inwardly protruding.

The sidewall of the rearward end of aforementioned rear axle 4 (rearward end of beam barrel 2), by aforementioned rear end rearward the fenestra 41 of opening on the direction of footpath, be divided into 2 parts.On the rear end face of the pen clip 44 opposite sides of aforementioned rearward end at the rear axle 4 that is divided into 2 parts on the direction of footpath, form bar-shaped (being stuck the 45B of portion) of rearward protruding.On the direction inner surface of the footpath of aforementioned bar-shaped (being stuck the 45B of portion), form slot.

On the inwall of the both sides of aforementioned peristome 42, form guide portion 421, the direction radially when insert the side of its restriction operating body 7.And, the recess 421a that the anticreep projection 76 of formation operating body 7 can be inserted on aforementioned guide portion 421.

In addition, on the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 43, operating body 7 rear ends of the script 6 when aforementioned card ends card in the wall portion 43 and ends nib 61 and protrude.

(cap)

The cap 5 that can seal aforementioned peristome 42 is by being fastened on the rearward end of aforementioned rear axle 4 carrying out rotary manipulation on the Zhou Fangxiang.Aforementioned cap 5 is by constituting with the lower part: discoideus main body 52; To outer lug (holding section 53A), it protrudes from the aforementioned body 52 radius vector directions outside; Endoporus (holding section 53B), it is formed on the main body 52 of aforementioned footpath direction opposition side to outer lug (holding section 53A); And contacting wall portion 51, it is formed at the front surface central authorities of main body 52.Aforementioned endoporus (holding section 53B) runs through and is arranged on the direction of principal axis and with circular-arc extension setting.Aforementioned contacting wall portion 51 is made of the cylindric protuberance that forwards protrudes.Aforementioned cap 5 utilizes the injection mo(u)lding of synthetic resin (for example polypropylene etc.) and forms.

In addition, aforementioned on the rear surface of outer lug (holding section 53A), the engaging recessed part that formation can engage with aforementioned inwardly protruding (being stuck the 45A of portion).On the other hand, on Zhou Fangxiang one end of the inner surface of aforementioned endoporus (holding section 53B), form inwardly protruding.The inwardly protruding of aforementioned endoporus (holding section 53B) inner surface can engage with the slot of bar-shaped (being stuck the 45B of portion) of beam barrel 2 rear end faces.Aforementioned bar-shaped (being stuck the 45B of portion) can insert from the other end of the Zhou Fangxiang of aforementioned endoporus (holding section 53B), if the main body 52 of cap 5 is rotated operation (being twist operation) a little on Zhou Fangxiang, the slot of then bar-shaped (being stuck the 45B of portion) engages with the inwardly protruding of Zhou Fangxiang one end of endoporus (holding section 53B) inner surface.

In the time of on the rearward end that aforementioned cap 5 is installed in rear axle 4 when engaging mutually (holding section 53A, the 53B at two positions and be stuck the 45A of portion, 45B), aforementioned contacting wall portion 51 is configured on the position of the central authorities that clog peristome 42, with the rear end face butt of beam barrel 2.

(script)

Aforementioned each script 6 is replaceable refill for ball-point pens, is made of ball pen head (being nib 61) and ink containing tube 62, and the front end of this ball pen head keeps ball in rotatable mode, and this ink containing tube 62 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 62, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of aqueous gel ink, low viscosity aqueous ink or the low viscosity oiliness ink of shearing visbreaking, what advanced along with consumption of ink in the ink rear end in ink containing tube 62, filling follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 62, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube.

(operating body)

Go up fitting operation body 7 in the rear end of aforementioned each script 6 (being the open rearward end portion of ink containing tube 62).Aforementioned each operating body 7 possesses: operating portion 71, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 72, it is arranged on the opposition side of this operating portion 71; Back bulge 73, it is arranged on the rear of the preceding bulge 72 of these operating portion 71 opposition sides; Embedded Division 74, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 62; And flange part 75, it is formed at the rear of this Embedded Division 74.Aforementioned Embedded Division 74 is when embedding the open rearward end portion of ink containing tube 62, and the open rearward end portion of not exclusively stopping up ink containing tube 62, so that the inside and outside of ink containing tube 62 can be ventilated.In addition, end the rear end of elastomer 8 at the front surface card of said flange portion 75.In addition, on two sides of aforementioned operation body 7, form anticreep projection 76.Aforementioned anticreep projection 76 can be fastened on two side wall inner surfaces of fenestra 41.

Nib 61 in script 6 is when submerging state, and the rearward end that is installed in the operating body 7 on this script 6 is formed on contacting wall portion 51 stop on the front surface of cap 5.On the other hand, when the nib 61 of script 6 was the protrusion state, the rearward end that is installed in the operating body 7 on this script 6 was only ended wall portion 43 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 72 of the operating body 7 that the rear end of script 6 of state links of nib, with the operating portion 71 of this operating body 7 forwards during slide, with back bulge 73 butts that are attached at the operating body 7 on other script 6 rear ends that before are in nib protrusion state, to remove the protrusion state of other scripts 6.

(identification shows)

Aforementioned each operating body 7 is colored as and is housed in the roughly the same color of ink color of script 6 inside (being ink containing tube 62 inside) that linked.Specifically, aforementioned operation body 7 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 6 that is painted to and is linked respectively.Thus, aforementioned operation body 7 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 7 that the script 6 of black links is painted to black, with ink color be that the operating body 7 that blue script 6 links is painted to blueness, with ink color be that the operating body 7 that red script 6 links is painted to redness, with ink color be that the operating body 7 that green script 6 links is painted to green.In the present embodiment, mutually different 2 scripts 6 of ink color are contained in the beam barrel 2.

In addition, under the situation of the mutually different ball pen of ball size that each script 6 is nibs 61, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 61 shows and is arranged on the operating portion 71 of operating body 7.In addition, under the situation of the mutually different writing implement of shape that each script 6 is nibs 61, preferably will show to be arranged on the operating portion 71 of operating body 7 with the corresponding identification of the shape of nib 61.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 61 of expression shows and shows with the corresponding identification of nib 61 shapes, also can be arranged on the operating portion 71 of the operating body 7 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 7.

(elastomer support portion)

On the inwall (being the inwall of rear axle 4) of beam barrel 2, elastomer cylindraceous support portion 9 is set.A plurality of (specifically 2) endoporus 91 that insertion script 6 is set is run through in aforementioned elastomer support portion 9 on direction of principal axis.Configuration elastomer 8 between the front surface of the flange part 75 of the rear surface of aforementioned elastomer support portion 9 and each operating body 7.Script 6 is inserted in inside at aforementioned each elastomer 8, and the front end of each elastomer 8 utilizes the rear surface card of elastomer support portion 9 to end, and the rear end card of each elastomer 8 ends on the front surface of the flange part 75 of operating body 7.

In addition, around each endoporus 91 of 9 rear surfaces, elastomer support portion, form the maintaining part 92 that constitutes by the tubular protuberance that rearward protrudes.The leading section outer surface of each elastomer 8 is pressed into and remains on the inner surface of aforementioned each maintaining part 92.Thus, can prevent that when changing each script 6 and operating body 7, each elastomer 8 comes off by peristome 42 in beam barrel 2.

Aforementioned each elastomer 8 is with each operating body 7 (being each script 6) pretension rearward always.Aforementioned each elastomer 8 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be script 6 by rearward the states of pretension), thus, can prevent the front and back play of each operating body 7.

(haunting of nib)

The action of haunting to the nib in the present embodiment 61 describes.

During at the pretension rearward of elastomer 8 that the operating portion 71 of an operating body 7 is put up a resistance and along operation that fenestra 41 forwards slides, this is by the preceding bulge 72 of the operating body 7 of slide, pushes open before being in the back bulge 73 radius vector directions outside of operating body 7 that nib protrudes other scripts 6 of state.Thus, the card of beam barrel 2 inwalls ends card between wall portion 43 and the operating body 7 and ends state and be disengaged, other scripts 6 are utilized the pretension rearward of elastomer 8 and are rearward moved, the nib 61 of other scripts 6 submerges in the beam barrel 2, contacting wall portion 51 butts of the rear end of the operating body 7 of other scripts 6 and cap 5 front surfaces and by stop.Submerge simultaneously with the nib 61 of aforementioned other scripts 6, with aforementioned quilt forwards the nib 61 of the script 6 that links of the operating body 7 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 7 of slide forwards, the card that card ends at beam barrel 2 inwalls ends in the wall portion 43, keeps this nib to protrude state.

(replacing of script and operating body)

Replacing to script in the present embodiment 6 and operating body 7 describes.

When changing script 6, from the state (with reference to Figure 42) of cap 5 with peristome 42 sealings of beam barrel 2 rear ends, fastening state between the 45A of the portion that is stuck, the 45B of holding section 53A, the 53B of releasing cap 5 and the rearward end of beam barrel 2, by cap 5 is pulled down to the Zhou Fangxiang rotation from the rearward end of beam barrel 2, the peristome 42 of beam barrel 2 rear ends is opened.If aforementioned peristome 42 is opened, then each operating body 7 utilizes the pretension rearward of elastomer 8 to protrude from aforementioned peristome 42 is rearward outside.Under the state (with reference to Figure 43) that the peristome 42 of the rear end of aforementioned beam barrel 2 is opened, by taking out operating body 7, to be in the script 6 of this operating body 7 mutual connecting states and in beam barrel 2, take out by aforementioned peristome 42, afterwards, the new script 6 and the new operating body 7 that will be in mutual connecting state inserts in the beam barrel 2 by aforementioned peristome 42.Then, rotate on Zhou Fangxiang by making cap 5 be connected to the rear end of beam barrel 2, make 2 of rearward end of 2 holding section 53A, 53B of aforementioned cap 5 and beam barrel 2 be stuck the 45A of portion, 45B engaging, thus, cap 5 is installed on the rearward end of beam barrel 2, with peristome 42 sealings.Thus, finish the replacing operation of script 6 and operating body 7.

[the 7th embodiment]

Expression the 7th embodiment of the present invention among Figure 44 to Figure 50.

The multi-refill writing instrument 1 of present embodiment, the mode that moves with direction forwards, backwards in its beam barrel 2 is accommodated many (specifically 2) scripts 6.Aforementioned each script 6 is utilized elastomer 8 (specifically, being compression helical spring) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 3.On the front end of aforementioned front axle 3, axially run through the front aperture 31 that nib 61 that script 6 is set can protrude.Aforementioned front axle 3 and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 4, the radius vector direction runs through the elongate fenestra 41 that many (specifically 2) direction extension forwards, backwards is set.Aforementioned 2 fenestras 41 are formed at toward each other on the axis symmetric position.The rear end of the inwall of aforementioned fenestra 41 becomes the 41a of contacting wall portion that operating body 7 on the rearward end of the script 6 that is attached at the state of submerging can butt.

Sidewall with rear axle 4 of aforementioned fenestra 41 possesses the separates walls portion 43 that can separate on the direction of footpath.That is, rear axle 4 by rear axle main body 42 with can separate with this rear axle main body 42/fit separates walls portion 43 constitutes.Aforementioned separates walls portion 43 is made of the semicircle cartridge.Aforementioned rear axle main body 42 constitutes with the mode that aforementioned separates walls portion 43 can separate on the direction of footpath with the front end and the rear end of the perisporium of each fenestra 41.When aforementioned separates walls portion 43 is separated on the direction of footpath fully (, with the front end of fenestra 41 perisporiums when separating on the direction of footpath and the rear end of fenestra 41 separated on the direction of footpath), half of each fenestra 41 perisporiums is removed, and therefore, each fenestra 41 quilts are opening significantly.Can easily operating body 7 be pulled down and change from the fenestra 41 of aforementioned opening significantly.

The outer peripheral face diameter of the leading section of aforementioned separates walls portion 43 is reduced, and the holding section 43a that can engage with the inner surface of rear axle main body 42 here is set.

In addition, on the rearward end of aforementioned rear axle 4, form the peristome of opening rearward.On the outer peripheral face of aforementioned peristome, cap 5 is installed in the mode (for example, by screwing togather, be pressed into or cross engaging etc.) that can freely load and unload.The diameter of the outer peripheral face of the rearward end of aforementioned separates walls portion 43 and the rearward end outer peripheral face of rear axle main body 42 is reduced, forms holding section 46 here, in the mode that can freely load and unload cap 5 is installed on this holding section 46.

In addition, on the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 44, operating body 7 rear ends of the script 6 when aforementioned card ends card in the wall portion 44 and ends nib 61 and protrude.In addition, Figure 46 to Figure 51 has omitted aforementioned card and has ended wall portion 44.

On the sidewall outer surface between the fenestra 41 of aforementioned rear axle 4 (rear axle main body 42), pen clip 45 is set.In addition, aforementioned pen clip 45 can also be arranged in the separates walls portion 43.

(script)

Aforementioned each script 6 is replaceable refill for ball-point pens, is made of ball pen head (being nib 61) and ink containing tube 62, and the front end of this ball pen head keeps ball in rotatable mode, and this ink containing tube 62 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 62, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of aqueous gel ink, low viscosity aqueous ink or the low viscosity oiliness ink of shearing visbreaking, what advanced along with consumption of ink in the ink rear end in ink containing tube 62, filling follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 62, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube.

(operating body)

Go up fitting operation body 7 in the rear end of aforementioned each script 6 (being the open rearward end portion of ink containing tube 62).Aforementioned each operating body 7 possesses: operating portion 71, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 72, it is arranged on the opposition side of this operating portion 71; Back bulge 73, it is arranged on the rear of the preceding bulge 72 of these operating portion 71 opposition sides; Embedded Division 74, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 62; And flange part 75, it is formed at the rear of this Embedded Division 74.Aforementioned Embedded Division 74 is when embedding the open rearward end portion of ink containing tube 62, and the open rearward end portion of not exclusively stopping up ink containing tube 62, so that the inside and outside of ink containing tube 62 can be ventilated.In addition, end the rear end of elastomer 8 at the front surface card of said flange portion 75.In addition, on two sides of aforementioned operation body 7, form the anticreep projection.Aforementioned anticreep projection can be fastened on two side wall inner surfaces of fenestra 41.

Nib 61 in script 6 is when submerging state, and the rearward end that is installed in the operating body 7 on this script 6 is formed on the 41a of the contacting wall portion stop of the rear inner wall of fenestra 41.On the other hand, when the nib 61 of script 6 was the protrusion state, the rearward end that is installed in the operating body 7 on this script 6 was only ended wall portion 44 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 72 of the operating body 7 that the rear end of script 6 of state links of nib, with the operating portion 71 of this operating body 7 forwards during slide, with back bulge 73 butts that are attached at the operating body 7 on other script 6 rear ends that before are in nib protrusion state, protrude state with the nib of removing other scripts 6.

(identification shows)

Aforementioned each operating body 7 is colored as and is housed in the roughly the same color of ink color of script 6 inside (being ink containing tube 62 inside) that linked.Specifically, aforementioned operation body 7 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 6 that is painted to and is linked respectively.Thus, aforementioned operation body 7 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 7 that the script 6 of black links is painted to black, with ink color be that the operating body 7 that blue script 6 links is painted to blueness, with ink color be that the operating body 7 that red script 6 links is painted to redness, with ink color be that the operating body 7 that green script 6 links is painted to green.In the present embodiment, mutually different 2 scripts 6 of ink color are contained in the beam barrel 2.

Particularly, under the situation of the structure that ink containing tube 62 is made of opaque material, perhaps ink containing tube 62 is made of transparent material, simultaneously internal ink is under the situation of structure of dye ink, be difficult to from the inner ink color of outside identification, but under this situation, operating body 7 is coloured to the roughly the same color of ink color then effectively plays a role, in the script 6 before the replacing that is present in beam barrel 2 outsides, can be easily from outside identification internal ink color.

In addition, under the situation of the mutually different ball pen of ball size that each script 6 is nibs 61, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 61 shows and is arranged on the operating portion 71 of operating body 7.In addition, under the situation of the mutually different writing implement of shape that each script 6 is nibs 61, preferably will show to be arranged on the operating portion 71 of operating body 7 with the corresponding identification of the shape of nib 61.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 61 of expression shows and shows with the corresponding identification of nib 61 shapes, also can be arranged on the operating portion 71 of the operating body 7 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 7.

(elastomer support portion)

On the inwall (being the inwall of rear axle main body 42) of beam barrel 2, elastomer cylindraceous support portion 9 is set.A plurality of (specifically 2) endoporus 91 that insertion script 6 is set is run through in aforementioned elastomer support portion 9 on direction of principal axis.Configuration elastomer 8 between the front surface of the flange part 75 of the rear surface of aforementioned elastomer support portion 9 and each operating body 7.Script 6 is inserted in inside at aforementioned each elastomer 8, and the front end of each elastomer 8 utilizes the rear surface card of elastomer support portion 9 to end, and the rear end card of each elastomer 8 ends on the front surface of the flange part 75 of operating body 7.

In addition, at the rear of each endoporus 91 of the rear surface of elastomer support portion 9, form and be communicated with and have the maintaining part 92 of the internal diameter bigger slightly than endoporus 91 with aforementioned endoporus 92.The inner surface of aforementioned each maintaining part 92 is pressed into the leading section outer surface that keeps each elastomer 8.Thus, rear axle main body 42 and separates walls portion 43 are carried out, when changing each script 6 and operating body 7, can prevent that each elastomer 8 from coming off in beam barrel 2.Between aforementioned endoporus 91 and aforementioned maintaining part 92, form the stage portion that elastomer 8 front ends can the butt card end.

Aforementioned each elastomer 8 is with each operating body 7 (being each script 6) pretension rearward always.Aforementioned each elastomer 8 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be script 6 by rearward the states of pretension), thus, can prevent the front and back play of each operating body 7.

(haunting of nib)

The action of haunting to the nib in the present embodiment 61 describes.

At the pretension rearward of elastomer 8 that the operating portion 71 of an operating body 7 is put up a resistance and along fenestra 41 forwards during slide, this is by the preceding bulge 72 of the operating body 7 of slide, pushes open before being in the back bulge 73 radius vector directions outside of operating body 7 that nib protrudes other scripts 6 of state.Thus, the card of beam barrel 2 inwalls ends card between wall portion 44 and the operating body 7 and ends state and be disengaged, other scripts 6 utilize the pretension rearward of elastomer 8 rearward to move, the nib 61 of other scripts 6 submerges in the beam barrel 2, the 41a of the contacting wall portion butt of the rear end of the rear end of the operating body 7 of other scripts 6 and the inwall of fenestra 41 and by stop.Submerge simultaneously with the nib 61 of aforementioned other scripts 6, with aforementioned quilt forwards the nib 61 of the script 6 that links of the operating body 7 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 7 of slide forwards, the card that card ends at beam barrel 2 inwalls ends in the wall portion 44, keeps the protrusion state of this nib 61.

(replacing of script and operating body)

Replacing to script in the present embodiment 6 and operating body 7 describes.

When changing script 6, from rear axle main body 42 and separates walls portion 43 is fit state (with reference to Figure 46), after cap 5 pulled down from rear axle 4 rear ends, by separates walls portion 43 is separated in the footpath direction from rear axle main body 42, and with each fenestra 41 opening (with reference to Figure 50) significantly.Then, by pulling down operating body 7 from aforementioned fenestra 41, to be in the script 6 of this operating body 7 mutual connecting states and in beam barrel 2, take out by the aforementioned fenestra that separates 41, afterwards, the new script 6 that will be in mutual connecting state is inserted in the beam barrel 2 by the aforementioned fenestra that separates 41 with new operating body 7.Then, make aforementioned separates walls portion 43 and rear axle main body 42 become fit state, afterwards, cap 5 is installed on the rearward end of beam barrel 2, finish the replacing operation of script 6 and operating body 7.

[the 8th embodiment]

Expression the 8th embodiment of the present invention among Figure 51.

The mode that present embodiment can be separated on the direction of footpath with the rear end of separates walls portion 43 perisporiums constitutes, and on the other hand, separates walls portion 43 perisporium front ends utilize hinge portion 47 to be connected with rear axle main body 42.In addition, other structures of present embodiment are identical with the 7th embodiment, omit its explanation.

[the 9th embodiment]

Expression the 9th embodiment of the present invention among Figure 52 to Figure 56.

The multi-refill writing instrument 1 of present embodiment, the mode that moves with direction forwards, backwards in its beam barrel 2 is accommodated many (specifically 2) scripts 5.Aforementioned each script 5 is utilized elastomer 7 (specifically, being compression helical spring) pretension rearward.

(beam barrel)

Aforementioned beam barrel 2 is by constituting with the lower part: front axle 3, and its cylinder by the apicule shape constitutes; And rear axle 4 cylindraceous, its rearward end with the mode that can freely load and unload and this front axle links.

(front axle)

Aforementioned front axle 3, by apicule cylindraceous before side tube part 33 and the back side tube part 34 that is attached at the straight cylindrical on the rearward end of this preceding side tube part 33 constitute.Before aforementioned on the front end of side tube part 33, on direction of principal axis, run through the front aperture 31 that nib 51 that script 5 is set can protrude.Aforementioned front axle 3 (being aforementioned tube portion 33 and back side tube part 34) and rear axle 4 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

(connecting hole)

On the inwall (specifically, being the inwall of back side tube part 34) of front axle 3, fixedly connected discoideus elastomer support portion 8.Utilize the gap between aforementioned elastomer support portion 8 outer walls and front axle 3 inwalls, 2 connecting holes 32 are formed on the position with respect to the axis symmetry.Aforementioned connecting hole 32 inserts the leading section that is divided into the rear axle 4 of 2 parts by notch 42.Aforementioned 2 connecting holes 32 are in the leading section of rear axle 4 inserts front axle 3 time, and the Zhou Fangxiang of 4 on front axle 3 and rear axle is positioned.Thus, when linking front axle 3 and rear axle 4, can dispose the mutual alignment of the Zhou Fangxiang between the fenestra 41 of the endoporus 81 of the elastomer support portion 8 in the front axle 3 and rear axle 4 sidewalls rightly.Between each outer surface of each inner surface of aforementioned connecting hole 32 and the leading section of aforementioned rear axle 4, be pressed into chimeric or concavo-convex chimeric in the mode that can freely load and unload.

(rear axle)

On the sidewall at aforementioned rear axle 4 rear portions, on the direction of footpath, run through the fenestra 41 of many (specifically 2) elongate that direction extension forwards, backwards is set and make this fenestra 41 notch 42 of opening forwards.Aforementioned 2 fenestras 41 and notch 42 are formed at respect on the symmetrical position of axis.The rear inner wall of aforementioned fenestra 41 becomes the 41a of contacting wall portion that operating body 6 that the rearward end with the script 5 of the state that submerges links can butt.In addition, the leading section of aforementioned rear axle 4 is divided into 2 parts by aforementioned notch 42.

With aforementioned rear axle 4 when the rearward end of front axle 3 is pulled down, each fenestra 41 is forwards opened by notch 42.From aforementioned forwards open fenestra 41, can easily operating body 6 be pulled down and change.

The leading section that possesses the rear axle 4 of notch 42 inserts in the open rearward end portion of front axle 3, and aforementioned each leading section that is divided into the rear axle 4 of 2 parts inserts/is fastened in each connecting hole 32 in the front axle 3.

On the side wall inner surfaces between the fenestra 41 of aforementioned rear axle 4, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion 43, operating body 6 rear ends of the script 5 when aforementioned card ends card in the wall portion 43 and ends nib 51 and protrude.In addition, Figure 54 to Figure 56 has omitted aforementioned card and has ended wall portion 43.

On the sidewall outer surface between the fenestra 41 of aforementioned rear axle 4, pen clip 44 is set.

(script)

Aforementioned each script 5 is replaceable refill for ball-point pens, constitute by ball pen head (being nib 51) and ink containing tube 52, at the front end of this ball pen head, keep ball in rotatable mode, this ink containing tube 52 possesses this ball pen head and open rearward end at front end.In the inside of aforementioned ink containing tube 52, accommodate the ink that constitutes by aqueous gel ink, low viscous water-base ink, low viscous oily ink or full-bodied oily ink with shearing visbreaking.At aforementioned ink is to have under the situation of aqueous gel ink, low viscosity aqueous ink or the low viscosity oiliness ink of shearing visbreaking, what advanced along with consumption of ink in the ink rear end in ink containing tube 52, filling follows body by what high viscosity fluid constituted.

In addition, aforementioned ball pen head also can be following structure,, utilizes ball that elastomer etc. keeps front end in rotatable mode pretension forwards that is, so that ball closely contacts with the inner surface of aforementioned edge portion.In addition, ball pen head also can utilize to be pressed into etc. and be directly installed on the front end opening of ink containing tube 52, but in the present embodiment, is fixed on by pencil holder on the front end opening of ink containing tube.

(operating body)

Go up fitting operation body 6 in the rear end of aforementioned each script 5 (being the open rearward end portion of ink containing tube 52).Aforementioned each operating body 6 possesses: operating portion 61, and it is formed at rearward end and protrudes to the outside from the fenestra 41 of beam barrel 2; Preceding bulge 62, it is arranged on the opposition side of this operating portion 61; Back bulge 63, it is arranged on the rear of the preceding bulge 62 of these operating portion 61 opposition sides; Embedded Division 64, it is formed at leading section and embeds in the open rearward end portion of ink containing tube 52; And flange part 65, it is formed at the rear of this Embedded Division 64.Aforementioned Embedded Division 64 is when embedding the open rearward end portion of ink containing tube 52, and the open rearward end portion of not exclusively stopping up ink containing tube 52, so that the inside and outside of ink containing tube 52 can be ventilated.In addition, end the rear end of elastomer 7 at the front surface card of said flange portion 65.In addition, on two sides of aforementioned operation body 6, form the anticreep projection.Aforementioned anticreep projection can be fastened on two side wall inner surfaces of fenestra 41.

Nib 51 in script 5 is when submerging state, and the rearward end that is installed in the operating body 6 on this script 5 is formed on the 41a of the contacting wall portion stop of the rear inner wall of fenestra 41.On the other hand, when the nib 51 of script 5 was the protrusion state, the rearward end that is installed in the operating body 6 on this script 5 was only ended wall portion 43 cards with the card that is formed on beam barrel 2 inwalls.

Be in the submerge preceding bulge 62 of the operating body 6 that the rear end of script 5 of state links of nib, with the operating portion 61 of this operating body 6 forwards during slide, with back bulge 63 butts that are attached at the operating body 6 on other script 5 rear ends that before are in nib protrusion state, protrude state with the nib of removing other scripts 5.

(identification shows)

Aforementioned each operating body 6 is colored as and is housed in the roughly the same color of ink color of script 5 inside (being ink containing tube 52 inside) that linked.Specifically, aforementioned operation body 6 is made of the formed body of the synthetic resin of the roughly the same color of ink color of the script 5 that is painted to and is linked respectively.Thus, aforementioned operation body 6 has the identification demonstration that is made of the ink color demonstration.For example, with ink color be that the operating body 6 that the script 5 of black links is painted to black, with ink color be that the operating body 6 that blue script 5 links is painted to blueness, with ink color be that the operating body 6 that red script 5 links is painted to redness, with ink color be that the operating body 6 that green script 5 links is painted to green.In the present embodiment, mutually different 2 scripts 5 of ink color are contained in the beam barrel 2.

Particularly, under the situation of the structure that ink containing tube 52 is made of opaque material, perhaps ink containing tube 52 is made of transparent material, simultaneously internal ink is under the situation of structure of dye ink, be difficult to from the inner ink color of outside identification, but under this situation, operating body 6 is coloured to the roughly the same color of ink color then effectively plays a role, in the script 5 before the replacing that is present in beam barrel 2 outsides, can be easily from outside identification internal ink color.

In addition, under the situation of the mutually different ball pen of ball size that each script 5 is nibs 51, preferably the identification that will be made of the numeral of outside dimension of the ball of expression nib 51 shows and is arranged on the operating portion 61 of operating body 6.In addition, under the situation of the mutually different writing implement of shape that each script 5 is nibs 51, preferably will show to be arranged on the operating portion 61 of operating body 6 with the corresponding identification of the shape of nib 51.In addition, the identification that is made of the numeral of outside dimension of the ball of the aforementioned nib 51 of expression shows and shows with the corresponding identification of nib 51 shapes, also can be arranged on the operating portion 61 of the operating body 6 that is coloured to aforementioned ink color.Aforementioned identification shows utilizes printing, adhesive label, protrusion setting, recessed method such as be provided with to be arranged on the operating body 6.

(elastomer support portion)

A plurality of (specifically 2) endoporus 81 that insertion script 5 is set is run through in aforementioned elastomer support portion 8 on direction of principal axis.Configuration elastomer 7 between the front surface of the flange part 65 of the rear surface of aforementioned elastomer support portion 8 and each operating body 6.Script 5 is inserted in inside at aforementioned each elastomer 7, and the front end of each elastomer 7 utilizes the rear surface of elastomer support portion 8 only to be blocked simultaneously, and the rear end card of each elastomer 7 ends on the front surface of the flange part 65 of operating body 6.

In addition, on each endoporus 81 rears of 8 rear surfaces, elastomer support portion, formation is communicated with and has the maintaining part 82 of the diameter bigger slightly than endoporus 81 with aforementioned endoporus 81.The inner surface of aforementioned each maintaining part 82 is pressed into the leading section outer surface that keeps each elastomer 7.Thus, when front axle 3 being separated with rear axle 4 change each script 5 and operating body 6, can prevent that each elastomer 7 from coming off in beam barrel 2.Between aforementioned endoporus 81 and aforementioned maintaining part 82, form the stage portion that the front end of elastomer 7 can the butt card ends.

Aforementioned each elastomer 7 is with each operating body 6 (being each script 5) pretension rearward always.Aforementioned each elastomer 7 protrude that state and nib submerge in the state at nib any all be in compressive state (being script 5 state of pretension rearward), thus, can prevent the front and back play of each operating body 6.

(haunting of nib)

The action of haunting to the nib in the present embodiment 51 describes.

During at the pretension rearward of elastomer 7 that the operating portion 61 of an operating body 6 is put up a resistance and along operation that fenestra 41 forwards slides, this is by the preceding bulge 62 of the operating body 6 of slide, pushes open before being in the back bulge 63 radius vector directions outside of operating body 6 that nib protrudes other scripts 5 of state.Thus, the card of beam barrel 2 inwalls ends card between wall portion 43 and the operating body 6 and ends state and be disengaged, other scripts 5 are utilized the pretension rearward of elastomer 7 and are rearward moved, the nib 51 of other scripts 5 submerges in the beam barrel 2, the 41a of the contacting wall portion butt of the rear end of the rear end of the operating body 6 of other scripts 5 and the inwall of fenestra 41 and by stop.Submerge simultaneously with the nib 51 of aforementioned other scripts 5, with aforementioned quilt forwards the nib 51 of the script 5 that links of the operating body 6 of slide protrude to the outside by the front aperture 31 of beam barrel 2, and, quilt is the rear end of the operating body 6 of slide forwards, the card that card ends at beam barrel 2 inwalls ends wall portion 43, keeps the protrusion state of this nib 51.

(replacing of script and operating body)

Replacing to script in the present embodiment 5 and operating body 6 describes.

When changing script 5, the connecting state (with reference to Figure 54) from front axle 3 and rear axle 4 separates (with reference to Figure 56) with front axle 3 with rear axle 4.Then, take out operating bodies 6 from the notch 42 in the place ahead of aforementioned fenestra 41, the script 5 that will be in the states that link mutually with this operating body 6 is taken out from the open rearward end portion of front axle 3.Afterwards, to be in the new operating body 6 of new script 5 connecting states notch 42 and insert in the fenestras 41 from rear axle 4, to be in the new script 5 of aforementioned new operating body 6 connecting states open rearward end portion and insert the endoporus 81 of the elastomer support portion 8 in the front axle 3 from front axle 3, the leading section that will have the rear axle 4 of notch 42 simultaneously inserts/is engaged in the connecting hole 32 of front axle 3, makes front axle 3 and rear axle 4 become connecting state (with reference to Figure 54) once more.Thus, finish the replacing operation of script 6 and operating body 7.

[the 10th embodiment]

Expression the 10th embodiment of the present invention among Figure 63 and Figure 64.

The multi-refill writing instrument 1 of present embodiment in the inside of the beam barrel 2 that is made of front axle 3 and rear axle 4, is accommodated 3 scripts 6 in the mode that can move up in front and back.At the rear end of aforementioned each script 6 fitting operation body 7.On the rear sidewall of aforementioned rear axle 4, with uniformly-spaced (promptly be separated by in a circumferential direction 120 the degree positions on) configuration 3 fenestras 41.Protrude the operating portion 71 of operating body 7 from aforementioned each fenestra 41 radius vector directions outside.

On the aft bulkhead of aforementioned rear axle 4, form the peristome 42 that is communicated with aforementioned each fenestra 41.Utilize aforementioned peristome 42, aforementioned each fenestra 41 is opening rearward.By aforementioned peristome 42, the script 6 that is in the state that is connected with aforementioned operation body 7 can be pulled down and can be inserted in the beam barrel 2 in beam barrel 2.

The rearward end of aforementioned rear axle 4 utilizes each fenestra 41 of aforementioned opening rearward to be divided into 3 parts on the direction of footpath.In aforementioned being divided on 3 parts the cutting plate of rearward end of rear axle 4 pen clip 44 is set.On the base portion of aforementioned pen clip 44, utilize hinge portion 52 cap 5 to be installed in the mode that can freely rotate.Front surface at aforementioned cap 5 is provided with 2 holding sections 53 (specifically engaging recessed part or connecting hole portion).And, be divided in addition 2 cutting plates of rearward end of rear axle 4 of 3 parts aforementioned respectively, the portion that is stuck 45 (specifically engaging protuberance) that can engage with aforementioned 2 holding sections 53 is set.On the inner surface of aforementioned each holding section 53, form inwardly protruding, on the other hand, be stuck on the outer surface of portion 45 at aforementioned each, formation can cross aforementioned inwardly protruding and engage to outer lug.In addition, because other structure in the present embodiment is identical with the 1st embodiment, so omit explanation.

[the 11st embodiment]

Expression the 10th embodiment of the present invention among Figure 65 and Figure 66.

The multi-refill writing instrument 1 of present embodiment, it is the variation of aforementioned the 10th embodiment, be with the difference of aforementioned the 3rd embodiment, on the sidewall at rear axle 4 rear portions, uniformly-spaced dispose 3 rear axles 4 and a pen clip (on the position of 90 degree of promptly being separated by in a circumferential direction), and the cross section shape of the preceding bulge 72 of each operating body 7 and back bulge 73, have the thin more shape in direction inboard, past more footpath, interfere with each other to prevent each operating body 7.In addition, because other structure in the present embodiment is identical with the 1st embodiment and the 10th embodiment, so omit explanation.

[the 12nd embodiment]

Expression the 10th embodiment of the present invention among Figure 67 and Figure 68.

The multi-refill writing instrument 1 of present embodiment in the inside of the beam barrel 2 that is made of front axle 3 and rear axle 4, is accommodated 4 scripts 6 in the mode that can move up in front and back.At the rear end of aforementioned each script 6 fitting operation body 7.On the rear sidewall of aforementioned rear axle 4, with uniformly-spaced (promptly be separated by in a circumferential direction 90 the degree positions on) configuration 4 fenestras 41.Protrude the operating portion 71 of operating body 7 from aforementioned each fenestra 41 radius vector directions outside.

On the aft bulkhead of aforementioned rear axle 4, form the peristome 42 that is communicated with aforementioned each fenestra 41.Utilize aforementioned peristome 42, aforementioned each fenestra 41 is opening rearward.By aforementioned peristome 42, the script 6 that is in the state that is connected with aforementioned operation body 7 can be pulled down and can be inserted in the beam barrel 2 in beam barrel 2.

The rearward end of aforementioned rear axle 4 utilizes each fenestra 41 of aforementioned opening rearward to be divided into 4 parts on the direction of footpath.In aforementioned being divided on 4 parts the cutting plate of rearward end of rear axle 4 pen clip 44 is set.On the base portion of aforementioned pen clip 44, utilize hinge portion 52, cap 5 is installed in the mode that can freely rotate.Front surface at aforementioned cap 5 is provided with 3 holding sections 53 (specifically engaging recessed part or connecting hole portion).And, be divided in addition 3 cutting plates of rearward end of rear axle 4 of 4 parts aforementioned respectively, the portion that is stuck 45 (specifically engaging protuberance) that can engage with aforementioned 3 holding sections 53 is set.On the inner surface of aforementioned each holding section 53, form inwardly protruding, on the other hand, be stuck on the outer surface of portion 45 at aforementioned each, formation can cross aforementioned inwardly protruding and engage to outer lug.

In addition, present embodiment and the 11st embodiment similarly, the cross section shape of preceding bulge of each operating body 7 72 and back bulge 73 has the thin more shape in direction inboard, past more footpath, interferes with each other to prevent each operating body 7.In addition, because other structure in the present embodiment is identical with the 1st embodiment, so omit explanation.

[the replaceable pen core of multi-refill writing instrument]

Represent the embodiment of multi-refill writing instrument of the present invention among Figure 57 to Figure 62 with replaceable pen core.

Shown in Figure 57 and Figure 58, the replaceable pen core of the multi-refill writing instrument of present embodiment mainly is made of ball pen head 2, ink containing tube 3 and operating body 4.

(ball pen head)

Aforementioned ball pen head 2, its ball remains on the front end in rotatable mode.Aforementioned ball pen head 2 can be any in the following type, promptly on the front end of metal system tubule, utilize crimp to the inside and form the type of ball supporting base, perhaps on the front end inner surface of metal system main body, utilize the type of machining formation ball supporting base.

On the front end of aforementioned ball pen head 2, fixing and preventing the desiccant covering resin of nib.Aforementioned covering resin can be removed by the user when writing the use beginning.

In addition, aforementioned ball pen head 2 also can be to utilize ball that elastomer etc. will remain on front end in rotatable mode pretension forwards, makes the tight contacting structure of inner surface of ball and aforementioned edge portion.In addition, aforementioned ball pen head 2 can wait directly by the front end opening that is pressed into ink containing tube 3 and install, but in the present embodiment, is fixed in the front end opening of ink containing tube 3 by plastic nib holding member 22.Aforementioned nib holding member 22 utilizes the formed body of the synthetic resin that is painted to ink color to obtain.

(operating body)

In the open rearward end portion of aforementioned ink containing tube 3, operating body 4 is installed.Aforementioned operation body 4 possesses operating portion 43, preceding bulge 44, back bulge 45, Embedded Division 46 and flange part 47.Aforementioned operation portion 43 is formed at rearward end and protrudes to the outside from the fenestra 81 of beam barrel 6.Aforementioned back bulge 45 is arranged on the opposition side of aforementioned operation portion 43.Bulge 44 is arranged on the place ahead of back bulge 45 of the opposition side of aforementioned operation portion 43 before aforementioned.Aforementioned Embedded Division 46 is formed at the leading section of operating body 4 and is embedded in the open rearward end portion of ink containing tube 3.Said flange portion 47 is formed at the rear of aforementioned Embedded Division 46.

Aforementioned Embedded Division 46 is in being embedded into the open rearward end portion of ink containing tube 3 time, and the open rearward end portion of not exclusively stopping up ink containing tube 3 can ventilate the inside and outside of ink containing tube 3.In addition, the rear end that card ends elastomer 10 on the front surface of said flange portion 47.

(large-diameter portion)

In the present embodiment, constitute a large-diameter portion 41 by aforementioned operation portion 43, preceding bulge 44 and back bulge 45.The footpath direction size A of aforementioned large-diameter portion 41 sets greatlyyer than the external diameter B of ink containing tube 3.Specifically, the footpath direction size A of aforementioned large-diameter portion 41 is preferably set to more than or equal to the external diameter B of ink containing tube 32 times.Aforementioned large-diameter portion 41 forms on two sides (being the surface and the back side) possesses the tabular of planar portions 41a.Aforementioned tabular large-diameter portion 41 has the external diameter gauge about equally with ink containing tube 3.And, go up formation anticreep projection (not shown) at the sidewall (the planar portions 41a of large-diameter portion 43) of 4 liang of sides of aforementioned operation body.Aforementioned anticreep projection can be fastened on two side wall inner surfaces of fenestra 81.

In addition, between flange part 47 and large-diameter portion 41 (promptly at the rear of flange part 47 and in the place ahead of large-diameter portion 41), form the footpath direction size minor diameter part 42 littler than large-diameter portion 41.In addition, aforementioned minor diameter part 42 has the footpath direction size littler than the external diameter B of ink containing tube 3.Thus, when identifying operation body 4, can make large-diameter portion 41 more outstanding, large-diameter portion 41 and minor diameter part 42 look like flag and flagpole, improve the aesthetic appearance as the operating body 4 of ink color display part.

Aforementioned operation body 4 is painted to the roughly the same color of ink color of accommodating with ink containing tube 3 inside that linked.Specifically, aforementioned operation body 4 is made of the formed body of the synthetic resin of the roughly the same color of the ink color of the ink containing tube 3 that is coloured to and is bonded.Thus, aforementioned operation body 4 becomes the ink color display part.For example, aforementioned operation body 4, the operating body 4 of accommodating ink containing tube 3 bindings of black ink with inside is painted to black, the operating body 4 of accommodating ink containing tube 3 bindings of blue ink with inside is painted to blueness, the operating body 4 of accommodating ink containing tube 3 bindings of red ink with inside is painted to redness, and the operating body 4 of accommodating ink containing tube 3 bindings of green ink with inside is painted to green.

(ink containing tube)

Ink containing tube 3 utilizes the extrusion molding of transparent or translucent synthetic resin to obtain, and is made of the straight cylinder body of both ends open.Accommodate in the inside of aforementioned ink containing tube 3 and to have the aqueous dye ink of shearing visbreaking, in the rear end of aforementioned ink, filling follow the consumption of ink and advance follow body by what high viscosity fluid constituted.

(identification area)

In the present embodiment, the state that is identified the area maximum of operating body 4 is situations (state of Figure 57) of the planar portions 41a of the aforementioned large-diameter portion 41 of identification.In the state of aforementioned Figure 57, the identification area of operating body 4 be set at ink containing tube 3 the identification area 38%.

(packaging bag)

Expression is contained in the multi-refill writing instrument of Figure 57 and Figure 58 the state of packaging bag 5 among Figure 59 and Figure 60 with replaceable pen core 1.Multi-refill writing instrument is contained in the inside of the packaging bag 5 of the rectangular shape that is made of transparent material (transparent plastic sheet) with replaceable pen core 1.An aforementioned packaging bag 5 is accommodated 1 multi-refill writing instrument with replaceable pen core 1, and thus, the replaceable pen core of the ink color of can the independent assortment user liking is used as multi-refill writing instrument and uses.

Aforementioned packaging bag 5 is at one end gone up and is formed lifting hole(eyelet) 51.Packaging bag 5 surfaces (head that promptly possesses lifting hole(eyelet)) around aforementioned lifting hole(eyelet) 51 are gone up and are provided with painted 52 by printing, and it is coloured to the multi-refill writing instrument of the accommodating inside ink color with replaceable pen core 1.

Shown in Figure 59, in the state that aforementioned multi-refill writing instrument is contained in replaceable pen core 1 in the packaging bag 5, operating body 4 is positioned at lifting hole(eyelet) 51 sides, and on the other hand, ball pen head 2 is positioned at the opposition side of these lifting hole(eyelet) 51 sides.Therefore, if make packaging bag 5 be the state of slinging, then ball pen head 2 sides down, operating body 4 is positioned at upside.

Shown in Figure 60, in the state that aforementioned multi-refill writing instrument is contained in replaceable pen core 1 in the packaging bag 5, ball pen head 2 is positioned at lifting hole(eyelet) 51 sides, and on the other hand, operating body 4 is positioned at the opposition side of these lifting hole(eyelet) 51 sides.Therefore, if make packaging bag 5 become the state of slinging, then ball pen head 2 sides up, operating body 4 is positioned at downside.Its result can not worry to spill ink from the front end of ball pen head 2.In addition, under the situation of Figure 60, can not worry that the end of an opposite side of the lifting hole(eyelet) 51 of packaging bag 5 is damaged by the front end of ball pen head 2.In addition, under the situation of Figure 60, open and close mouthful by on the end of the opposite side of the lifting hole(eyelet) 51 of packaging bag 5, being provided with, when opening and closing mouthful in packaging bag 5 the replaceable pen core of access, can can prevent the damage of ball pen head 2 front ends easily from operating body 4 accesses.

In the state that aforementioned multi-refill writing instrument is contained in replaceable pen core 1 in the packaging bag 5, the planar portions 41a of the tabular large-diameter portion 41 of operating body 4 (maximum identification area) is configured on the direction that can discern from the external front face of packaging bag 5.Thus, the thickness of packaging bag 5 that can not worry to accommodate the part of operating body 4 increases, and can take care of with a plurality of packaging bags 5 overlapping states of replaceable pen core 1 will put into multi-refill writing instrument in limited keeping space.

In addition, the user buy be in the aforementioned display state of slinging put into multi-refill writing instrument with the packaging bag 5 of replaceable pen core 1 time, can discern the operating body 4 that is coloured to ink color and painted 52 simultaneously, from also discerning ink color than distant positions.

Expression is housed in the multi-refill writing instrument of present embodiment the interior state of beam barrel 6 of multi-refill writing instrument among Figure 61 with replaceable pen core 1.

Multi-refill writing instrument is in transportable mode on fore-and-aft direction, accommodates multi-refill writing instrument that many (specifically 2) ink colors differ from one another with replaceable pen core 1 in beam barrel 6.Aforementioned each multi-refill writing instrument utilizes elastomer 10 (specifically, being compression helical spring) pretension rearward with replaceable pen core 1.

Aforementioned beam barrel 6 is by constituting with the lower part: front axle 7, and its cylinder by the apicule shape constitutes; And rear axle 8 cylindraceous, it is by screwing togather or be pressed on the rearward end that is installed in this front axle 7.On the front end of aforementioned front axle 7, axially run through the front aperture 71 that ball pen head 2 that replaceable pen core 1 is set can protrude.Aforementioned front axle 7 and rear axle 8 are obtained by the injection mo(u)lding of synthetic resin (for example, Merlon etc.).

On the rear sidewall of aforementioned rear axle 8, the radius vector direction runs through the elongate fenestra 81 that many (specifically two) direction extension forwards, backwards is set.Aforementioned 2 fenestras 81 are formed at toward each other on the position of axis symmetry.In addition, on the rearward end of aforementioned rear axle 8, be formed on the direction of principal axis and connect and the peristome 82 of radius vector direction outer openings.Aforementioned peristome 82 is communicated with fenestra 81 in the rear end of rear axle 8 (being the rear end of beam barrel 6), and thus, the mode that is cut open with the rear end of fenestra 81 is opening rearward.On the other hand, the front end of aforementioned fenestra 81 keeps sealing.Protrude the operating portion 43 of each operating body 4 from aforementioned each fenestra 81 radius vector directions outside.

In addition, on side wall inner surfaces between the fenestra 81 of aforementioned rear axle 8, form the card that the flank that extended by direction forwards, backwards constitutes and end wall portion, the multi-refill writing instrument that aforementioned card ends card in the wall portion when ending nib and protruding is with the rear end of the operating body 4 of replaceable pen core 1.

On the sidewall outer surface pen clip 83 is being set between the fenestra 81 of aforementioned rear axle 8.

On the rearward end of aforementioned rear axle 8,, the cap 9 that makes aforementioned peristome 82 freely openables is set in the mode that can freely rotate.One end of aforementioned cap 9 is connected the nib base portion free to rotately with hinge portion 92.The right and left of the pen clip 83 of mentioned hinge portion 92 when facing pen clip 83 down with nib extends upward setting, and thus, aforementioned cap 9 is roughly freely rotating on the fore-and-aft direction.On the front surface of aforementioned cap 9, form contacting wall portion 91.In the aforementioned contacting wall portion 91, the rear end stop of the multi-refill writing instrument of the state of submerging with each operating body 4 on replaceable pen core 1 rear end will be connected.In the present embodiment, mentioned hinge portion 92 specifically adopts the structure of utilizing turning cylinder to connect in the mode that can freely rotate, but in addition, also can be following structure, that is, utilization can diastrophicly have flexual connecting portion or thinner wall section and connect integratedly.

Holding section 93 (specifically, forming engaging recessed part or connecting hole portion) is set on the front surface of the other end of aforementioned cap 9.On the rear end of rear axle 8, the portion that is stuck 84 (specifically, protrusion is provided with the engaging protuberance) that can engage with aforementioned holding section 93 is set.On the inner surface of aforementioned holding section 93 (engaging recessed part or connecting hole portion), form inwardly protruding, on the other hand, on the aforementioned outer surface that is stuck portion 84 (engaging protuberance), formation can cross aforementioned inwardly protruding and block end to outer lug.

Aforementioned holding section 93 and aforementioned being stuck between the portion 84, when sealing peristome 82, cap 9 is in mutual fastening state (specifically, be in inwardly protruding cross block the state that ends to outer lug), by elastomer 10 rearward during the butt between the contacting wall portion 91 of the operating body 4 that causes of pretension and cap 9 front surfaces, this fastening state is not removed, and cap 9 just can not opened.

In addition, except aforementioned holding section 93 be stuck the structure of portion 84, also can be following structure, that is, aforementioned holding section 93 is made of the engaging protuberance, and the aforementioned portion 84 that is stuck is made of engaging recessed part or connecting hole portion.

Nib at replaceable pen core 1 is when submerging state, and the rearward end of the operating body 4 that this replaceable pen core 1 rear end is had is formed on contacting wall portion 91 stop of the front surface of cap 9.On the other hand, when the nib of replaceable pen core 1 was the protrusion state, the rearward end of the operating body 4 that this replaceable pen core 1 rear end is had was only ended wall portion card with the card that is formed on beam barrel 6 inwalls.

Be in nib and submerge the multi-refill writing instrument of state with the preceding bulge 44 of the operating body that the rear end had 4 of replaceable pen core 1, with the operating portion 43 of this operating body 4 forwards during slide, with be attached at other multi-refill writing instruments of before being in the protrusion state back bulge 45 butts with the operating body 4 of replaceable pen core 1 rear end, protrude state to remove other multi-refill writing instruments with the nib of replaceable pen core 1.

(elastomer support portion)

On the inwall (being the inwall of rear axle 8) of beam barrel 6, elastomer cylindraceous support portion 11 is set.Aforementioned elastomer support portion 11 is run through to be provided with on direction of principal axis and is inserted multi-refill writing instrument a plurality of (specifically 2) endoporus 111 with the ink containing tube 3 of replaceable pen core 1.Configuration elastomer 10 between the front surface of the flange part 47 of the rear surface of aforementioned elastomer support portion 11 and each operating body 4.On the inside of aforementioned each elastomer 10, insert the ink containing tube 3 of multi-refill writing instrument with replaceable pen core 1, and, the front end of each elastomer 10 utilizes the rear surface card of elastomer support portion 11 to end, and the rear end card of each elastomer 10 ends on the front surface of the flange part 47 of operating body 4.

In addition, around each endoporus 111 of 11 rear surfaces, elastomer support portion, form the maintaining part 112 that constitutes by all shape walls portion.The leading section outer surface of each elastomer 10 is pressed into and remains on the inner surface of aforementioned each maintaining part 112.Thus, can prevent when changing each multi-refill writing instrument that each elastomer 10 comes off by peristome 82 from beam barrel 6 is interior with replaceable pen core 1.

Aforementioned each elastomer 10 is with each operating body 4 (be each multi-refill writing instrument with replaceable pen core 1) pretension rearward always.Aforementioned each elastomer 10 protrudes submerge in the state any of state and nib at nib and all is in compressive state (be multi-refill writing instrument with replaceable pen core 1 quilt rearward the state of pretension), thus, prevents the front and back play of each operating body 4.

(replacing of replaceable pen core)

Replacing with replaceable pen core (with reference to Figure 57 and Figure 58) describes to the multi-refill writing instrument in the present embodiment.When changing multi-refill writing instrument with replaceable pen core 1, from the state of cap 9 with peristome 82 sealings of beam barrel 6 rear ends, rearward push with operative end hinge portion 92 opposite sides cap 9, engagement release portion 93 and be stuck engaging between the portion 84, cap 9 is rearward rotated, the peristome 82 of the rear end of beam barrel 6 is opened (with reference to Figure 62).If aforementioned peristome 82 is opened, then each operating body 4 utilizes the pretension rearward of elastomer 10 to protrude from aforementioned peristome 82 is rearward outside.Under the state (state of Figure 62) that the peristome 82 of the rear end of aforementioned beam barrel 6 is opened, by taking out operating body 4, multi-refill writing instrument is taken out in beam barrel 6 by aforementioned peristome 82 with replaceable pen core 1, afterwards, the new multi-refill writing instrument that will be in operating body and the mutual connecting state of script inserts in the beam barrel 6 by aforementioned peristome 82 with replaceable pen core 1.Then, each operating body 4 is connected in the contacting wall portion 91 of cap 9, each operating body 4 forwards push on one side cap 9 forwards rotated on one side, afterwards, make holding section 93 and be stuck portion 84 to engage, peristome 82 is sealed.Thus, finish the replacing operation of multi-refill writing instrument with replaceable pen core 1.

Claims (47)

1. multi-refill writing instrument, it accommodates a plurality of scripts in the mode that can move up in front and back in beam barrel, utilize elastomer with aforementioned each script pretension rearward, rear end in aforementioned each script links and the corresponding operating body of each script, run through in shaft side wall upper edge footpath direction and to be arranged on the upwardly extending a plurality of fenestras in front and back, aforementioned each operating body is protruded from aforementioned each fenestra radius vector direction outside, by an operating body is forwards slided along fenestra, the nib that is attached at the script on this operating body is protruded from the front aperture of beam barrel, the nib of other scripts that before had been in the protrusion state is submerged in the beam barrel, it is characterized in that

The constituted mode of this multi-refill writing instrument is script and operating body can be pulled down and can be inserted in the beam barrel in beam barrel.

2. multi-refill writing instrument according to claim 1,

Its constituted mode is, each script can be removed replacing in beam barrel, be provided with simultaneously and make the fenestra switching peristome freely of opening rearward, can pass through aforementioned peristome, operating body is pulled down and can be inserted in the beam barrel in beam barrel in the rear end of beam barrel.

3. multi-refill writing instrument according to claim 2,

Its constituted mode is, can pass through aforementioned peristome, and script and operating body are pulled down and can be inserted in the beam barrel in beam barrel.

4. multi-refill writing instrument according to claim 3,

Its constituted mode is, can pass through aforementioned peristome, and script and operating body are pulled down and can be inserted in the beam barrel in beam barrel with connecting state.

5. multi-refill writing instrument according to claim 1,

Its constituted mode is script and operating body can be pulled down and can be inserted in the beam barrel in beam barrel with connection status.

6. multi-refill writing instrument according to claim 2,

In sealing during aforementioned peristome, form the contacting wall portion that the operating body of the script of the state that submerges can butt in the rearward end of beam barrel, when aforementioned peristome is opened, whole or a part of removal of aforementioned contacting wall portion from aforementioned beam barrel rear end.

7. multi-refill writing instrument according to claim 2,

When aforementioned peristome is opened, utilize the rearward pretension of elastomer, the operating body of the state that submerges protrudes to the outside from aforementioned peristome.

8. multi-refill writing instrument according to claim 1,

The elastomer support portion of elastomer front end butt on direction of principal axis is set on aforementioned beam barrel inwall, is being formed on the maintaining part that keeps the elastomer leading section on the direction of footpath on the aforementioned elastomer support portion.

9. multi-refill writing instrument according to claim 2,

On the inwall both sides of the peristome of beam barrel rearward end, the guide portion of the direction when insert the side that possesses the restriction operating body.

10. multi-refill writing instrument according to claim 2,

In aforementioned axis tube rear end portion, be provided with can the aforementioned peristome of freely openable cap.

11. multi-refill writing instrument according to claim 10,

On the front surface of aforementioned cap, form the contacting wall portion that the operating body of the script of the state that submerges can butt.

12. multi-refill writing instrument according to claim 11,

Split in the process that oral area seals at aforementioned cap, aforementioned cap is the bulldozing operation body forwards.

13. multi-refill writing instrument according to claim 1,

Aforementioned each operating body is coloured to the ink color of accommodating in the script inside that is linked.

14. multi-refill writing instrument according to claim 10,

One end of aforementioned cap is connected on the rearward end of beam barrel in the mode that can freely rotate.

15. multi-refill writing instrument according to claim 14,

On the other end of aforementioned cap, the holding section is set, the portion that is stuck that can freely engage/break away from the holding section of aforementioned cap is set on the rearward end of beam barrel.

16. multi-refill writing instrument according to claim 10,

The cap of the aforementioned peristome of sealing is screwed on the rearward end of beam barrel in the mode that can freely load and unload.

17. multi-refill writing instrument according to claim 16,

On the inner peripheral surface of aforementioned cap, internal thread part is set, the external thread part that can screw togather with aforementioned internal thread part is set on the outer peripheral face of aforementioned axis tube rear end portion.

18. multi-refill writing instrument according to claim 10,

At least two holding sections are set on aforementioned cap, on each rearward end of the beam barrel of being cut apart by aforementioned peristome on the direction of footpath, the portion that is stuck that aforementioned holding section can engage are set.

19. multi-refill writing instrument according to claim 18,

Aforementioned each holding section is set on the inner surface of cap, aforementioned each is set on the outer surface of beam barrel rearward end is stuck portion.

20. multi-refill writing instrument according to claim 18,

Aforementioned contacting wall portion inserted be configured in the aforementioned peristome, aforementioned contacting wall portion limit aforementioned peristome inwall to internal strain.

21. multi-refill writing instrument according to claim 18,

At least 2 pin sheets that aforementioned cap possesses main body and forwards protrudes from this main body, on the direction inner surface of the footpath of aforementioned each pin sheet, form the holding section, on the other hand, on the footpath direction outer surface of each sidewall of aforementioned axis tube rear end portion, formation can be crossed the portion that is stuck that engages with aforementioned holding section on direction of principal axis.

22. multi-refill writing instrument according to claim 18,

At least 2 pin sheets that aforementioned cap possesses main body and forwards protrudes from this main body, on the direction inner surface of the footpath of aforementioned each pin sheet, form the holding section, on the other hand, in the both sides of the peristome of aforementioned axis tube rear end, the portion that is stuck that formation can be slidingly fastened on the direction of footpath with aforementioned holding section.

23. multi-refill writing instrument according to claim 18,

Aforementioned cap possesses main body and is formed at 2 holding sections of the both sides of aforementioned body footpath direction, on the other hand, both sides in the open rearward end portion of aforementioned beam barrel form the portion that is stuck, aforementioned holding section and the aforementioned portion that is stuck can engage by cap is rotated on Zhou Fangxiang with respect to the rearward end of beam barrel.

24. multi-refill writing instrument according to claim 1,

Its constituted mode is, at least one position of fenestra perisporium can be separated on the direction of footpath, when at least one position of aforementioned fenestra perisporium is separated on the direction of footpath, can operating body be pulled down and can insert in the beam barrel in beam barrel by the separated part of aforementioned fenestra perisporium.

25. multi-refill writing instrument according to claim 24,

Its constituted mode is, the separated part of perisporium that can be by aforementioned fenestra is pulled down operating body and script and can insert in the beam barrel in beam barrel.

26. multi-refill writing instrument according to claim 24,

Its constituted mode is, the front end at least of fenestra perisporium or rear end can be separated on the direction of footpath, and separate on the direction of footpath the front end or the rear end of the perisporium by making aforementioned fenestra, with fenestra forwards or the rear open.

27. multi-refill writing instrument according to claim 24,

Its constituted mode is, follow aforementioned fenestra perisporium rear end on the direction of footpath, to separate, the sidewall of beam barrel rearward end can separate on the direction of footpath, on the sidewall of aforementioned axis tube rear end portion, cap is set in the mode that can freely load and unload, utilization is installed in the cap on the aforementioned axis tube rear end portion sidewall, makes the sidewall of beam barrel rearward end keep fit state.

28. multi-refill writing instrument according to claim 24,

Its constituted mode is, can pull down and can insert in the beam barrel in beam barrel with script and operating body with connecting state.

29. multi-refill writing instrument according to claim 1,

Its constituted mode is, beam barrel is made of front axle that possesses front aperture and the rear axle that is attached on this front axle rearward end in the mode that can freely load and unload, aforementioned rear axle possesses fenestra and makes this fenestra notch of opening forwards, with aforementioned rear axle when front axle separates, can operating body be pulled down and can insert in the beam barrel in beam barrel by aforementioned notch.

30. multi-refill writing instrument according to claim 29,

Its constituted mode is script and operating body can be pulled down and can be inserted in the beam barrel in beam barrel with connecting state.

31. multi-refill writing instrument according to claim 29,

The leading section of rear axle utilizes notch to be split into many parts, and a plurality of connecting holes that the leading section of aforementioned rear axle can insert are set in the inside of front axle.

32. multi-refill writing instrument according to claim 31,

The elastomer support portion of elastomeric front end butt on direction of principal axis is set on the inwall of front axle, forms aforementioned connecting hole between aforementioned elastomer support portion outer wall and the front axle inwall.

33. multi-refill writing instrument according to claim 29,

The elastomer support portion of elastomeric front end butt on direction of principal axis is set on the inwall of aforementioned front axle, is being formed on the maintaining part that keeps the elastomer leading section on the direction of footpath on the aforementioned elastomer support portion.

34. replaceable pen core of multi-refill writing instrument, it uses in the described multi-refill writing instrument of claim 1, in beam barrel, accommodate many during use, the operating body that is attached at rear end is separately protruded from the sidewall of beam barrel, by the aforementioned operation body is forwards carried out slide, nib is passed in and out from the beam barrel front end

Under the state of this replaceable pen core before in being contained in beam barrel, by constituting with the lower part: ball pen head keeps ball at its front end in rotatable mode; Ink containing tube, its front end is fixed this ball pen head and ink is accommodated in inside; And operating body, it is attached at the rear end of this ink containing tube and is coloured to the interior ink color of ink containing tube.

35. the replaceable pen core of multi-refill writing instrument according to claim 34, aforementioned operation body possess minor diameter part and the large-diameter portion of footpath direction size greater than this minor diameter part.

36. the replaceable pen core of multi-refill writing instrument according to claim 35, the footpath direction size of aforementioned large-diameter portion is greater than the external diameter of ink containing tube.

37. being the two sides, the replaceable pen core of multi-refill writing instrument according to claim 35, aforementioned large-diameter portion possess the tabular of planar portions.

38. the replaceable pen core of multi-refill writing instrument according to claim 35, aforementioned large-diameter portion is arranged on the rear portion of operating body.

39. the replaceable pen core of multi-refill writing instrument according to claim 34,

Under the state that is identified the area maximum of aforementioned operation body, the identification area of aforementioned operation body is set at more than or equal to 10% of the identification area of ink containing tube.

40. the replaceable pen core of multi-refill writing instrument according to claim 34, aforementioned replaceable pen core is housed in the packaging bag that is made of transparent material.

41. according to the replaceable pen core of the described multi-refill writing instrument of claim 40,

Under the state in being contained in aforementioned packaging bag, can discern the maximum identification area of aforementioned operation body from the external front face of packaging bag.

42. according to the replaceable pen core of the described multi-refill writing instrument of claim 40,

The aforementioned operation body possesses the large-diameter portion of footpath direction size greater than the ink containing tube external diameter, aforementioned large-diameter portion is that the two sides possesses the tabular of planar portions, under the state in being contained in aforementioned packaging bag, can discern the planar portions of the large-diameter portion of aforementioned operation body from the external front face of packaging bag.

43. according to the replaceable pen core of the described multi-refill writing instrument of claim 40,

Aforementioned packaging bag at one end possesses lifting hole(eyelet), and under aforementioned replaceable pen core was contained in state in the aforementioned packaging bag, operating body was configured in aforementioned lifting hole(eyelet) side.

44. according to the replaceable pen core of the described multi-refill writing instrument of claim 40,

Aforementioned packaging bag at one end possesses lifting hole(eyelet), and under aforementioned replaceable pen core was contained in state in the aforementioned packaging bag, ball pen head was configured in aforementioned lifting hole(eyelet) side.

45. according to the replaceable pen core of the described multi-refill writing instrument of claim 40,

Aforementioned packaging bag at one end possesses lifting hole(eyelet), near the packaging bag surface the aforementioned lifting hole(eyelet), the painted portion that is coloured to ink color in the ink containing tube is set.

46. the replaceable pen core of multi-refill writing instrument according to claim 34,

Aforementioned ink containing tube is made of transparent or translucent material, and the ink of accommodating in the aforementioned ink containing tube is a dye ink.

47. the replaceable pen core of multi-refill writing instrument according to claim 34 at the front end of aforementioned ball pen head, is fixing preventing the desiccant covering resin of nib.

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