CN1168613C

CN1168613C - Pen with rotary multiple tips

Info

Publication number: CN1168613C
Application number: CNB021108129A
Authority: CN
Inventors: 邱智铭
Original assignee: 邱智铭
Current assignee: Beifa Group Co Ltd
Priority date: 2002-02-07
Filing date: 2002-02-07
Publication date: 2004-09-29
Anticipated expiration: 2022-02-07
Also published as: CN1363474A

Abstract

The present invention relates to a pen with rotary multiple tips, which comprises a penholder, at least two refills which are arranged in the penholder, wherein the tail end of the penholder is provided with a refill selecting device which comprises a pen clip arranged on the tail end of the penholder, a rotary wheel integrated with the pen clip, and a slide block arranged on the tail end of the refills; the rotary wheel can rotate relative to the penholder, and the front end of the rotary wheel is cam-shaped; the upper end of the slide block is always against the profile of the cam under the action of a reset spring, and the slide block can move up and down relative to the penholder under the driving of the cam. The present invention is characterized in that the inner walls of the penholder are formed from vertical guide grooves which correspond to each slide block, and the outer lateral surfaces of each slide block are provided with convex ribs meshed with the guide grooves in a sliding way. Compared with the prior art, the vertical guide grooves and location limiting convex ribs are directly molded on the penholder. On the one hand, the present invention reduces the number of the components, and has simple assembly processes and low production cost; on the other hand, the guide grooves and the location limiting convex ribs are integrated with the penholder, and can not be moved when users utilize the pen to ensure that the switch of refills is flexible, stable and reliable.

Description

A kind of pen with rotary multiple tips

Technical field

The present invention relates to a kind of writing implement, a plurality of pens of writing nib that can conveniently change of particularly a kind of tool.

Background technology

Pen with rotary multiple tips has the nib of multiple color or multiple writing material because of it, in the written regracting pen, and use or easy to carry, and be subjected to liking of people.A kind of Double-nib pen with rotary that BP GB2013579A provides, the mode that the runner of employing strap cam and the slide block of last dress pen core cooperate realizes writing the switching of nib, for guarantee that slide block can drive pen core and move up and down swimmingly in penholder, it tightly is plugged with the interior cover of a tape guide straight trough in penholder, slide block is limited in its guiding straight trough move up and down.A kind of combined type Double-nib pen of providing of U.S. Pat 5642953 for another example, the mode that also adopts the slide block of the runner of strap cam and last dress pen core to cooperate realizes writing the switching of nib, it does not have the interior cover of aforesaid tape guide straight trough, but is provided with a spring stop that simultaneously pen core is played position-limiting action in the lower end of penholder.Above-mentioned two patents have realized switching to two pens by the runner that adopts a strap cam, having can forward and reverse rotation and rotate relatively flexible characteristic, but yet have certain deficiency: with the above-mentioned BP of the interior cover of tape guide straight trough, cover installs that trouble, packaging technology more complicated and interior cover may move and the shortcoming that influences use in existing; And above-mentioned United States Patent (USP), then because of no guider, and pen core is generally working of plastics, is easy to generate deformation, thereby may cause the cooperation of runner and slide block to go wrong and influence its actual use.

Summary of the invention

Technical problem to be solved by this invention be provide at above-mentioned prior art present situation a kind of assembly still less and operation more flexibly, more reliable and stable pen with rotary multiple tips.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of pen with rotary multiple tips, include penholder and be arranged at least two interior pen cores of penholder, be provided with pen core at the afterbody of penholder and select mechanism, comprise the pen clip that is arranged on the penholder tail end, be connected the runner of one with pen clip and be arranged on the slide block of pen core tail end, runner penholder rotation relatively, and its front end is cam-like, the upper end of slide block is being against under the action of reset spring of pen core on the profile of this cam all the time, and can under the driving of cam, move up and down by relative penholder, it is characterized in that described penholder inwall forms and the corresponding longitudinally guiding groove of each slide block, then be provided with convex tendon on the lateral surface of each slide block with described corresponding gathering sill sliding gomphosis; And described pen clip links to each other with runner by a connector, wherein the outer wall close-fitting of pen clip and connector, and connect in the keyway mode, and the runner afterbody inserts in the connector, and also connects in the keyway mode, and this connector is in the part that is positioned at penholder penholder rotation relatively.

Described connector can be connected by hoop convex tendon-groove mode between the part in penholder and penholder.

Described penholder inwall also can along circumferentially form identical with the gathering sill number and evenly between the retaining convex rib of cloth between gathering sill, with vertically moving of the further relative penholder of restriction slide block.

Described pen core back-moving spring can be provided with in the following manner: form a ring-shaped step at described penholder inwall medium position, shelve a back-up ring on the step, have on the back-up ring and hold the through hole that each pen core passes through, each back-moving spring promptly is enclosed within outside each pen core, the lower end withstands on the described back-up ring, and the upper end withstands on the slide block of each pen core tail end.

For preventing that each back-moving spring from interfering with each other in use, tangling, described back-moving spring middle part and two ends all are and loop-shaped, and be provided with the flap that will the back-moving spring upper end coats in it in the lower end of each slide block.

For preventing that the relative penholder of described back-up ring from rotating, back-up ring can be arranged on the retaining convex rib lower end of described penholder inwall, and form at corresponding each retaining convex rib place they are held wherein groove.

Compared with prior art, the present invention is moulding longitudinally guiding groove and retaining convex rib on penholder directly, has reduced component count on the one hand, and is simple for assembly process, and production cost reduces; On the other hand, gathering sill and retaining convex rib and penholder are structure as a whole, and it in use can not move, so it is flexible and reliable and stable to guarantee that pen core switches.

Description of drawings

Fig. 1 cuts open schematic diagram for the structure of the embodiment of the invention.

Fig. 2 is the perspective view of taking off behind the penholder.

Fig. 3 is the perspective view of penholder 10.

Fig. 4 is the structure cut-away view of penholder 10.

Fig. 5 is the perspective view of connector 3.

Fig. 6 is the perspective view of slide block 6.

Fig. 7 is three slide blocks 6 perspective view when mounted.

Fig. 8 is runner 5 perspective view that have cam.

Fig. 9 is the perspective view of pen core back-moving spring 7.

Figure 10 is the perspective view of back-up ring 8.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 10, be the pen with rotary of one or three pen cores, include penholder 10, pen clip 4, pen core 9, connector 3 and runner 5;

The bottom of runner 5 is cam structure 5B, there is a recess 5A its end, referring to Fig. 8, its afterbody is sleeved in the connector 3, and cooperate the location with groove 3B on the connector inwall by the convex tendon 5D on its outer wall, thereby restriction runner 5 relatively rotates with connector 3, referring to Fig. 1, Fig. 5 and Fig. 8;

The first half of connector 3 stretches out outside the penholder 10, Lower Half is positioned at penholder 10, and embeds by the ring-type convex tendon 3A on it among cannelure 10B of penholder 10 upper ends, therefore, connector 3 can rotate freely and can not move up and down relative to penholder 10, referring to Fig. 1, Fig. 3, Fig. 4, Fig. 5; Simultaneously, because of the diameter of runner 5 lower ends diameter greater than its upper end, middle part tool one step, after assembling, this step surface just is against the lower surface of connector 3, thereby makes runner 5 relative connector 3 upper limits, referring to Fig. 1;

The first half that pen clip 4 is enclosed within connector 3 is close-fitting with it outward, and the straight trough (not shown) by its inwall cooperates the location with convex tendon 3C on the connector 3, like this, rotate pen clip 4 (forward and reverse all can) and can drive connector 3 and rotate relative to penholder 10 together, referring to Fig. 1, Fig. 5 with runner 5;

Penholder 10 middle parts are provided with a step, back-up ring 8 is shelved on this step, three pen cores 9 pass back-up ring 8 along circumferential three uniform hole 8A, its afterbody inserts in the hole 6D corresponding on separately the slide block 6, each pen core 9 all is with back-moving spring 7, the lower end of spring 7 withstands on the described back-up ring 8, and the upper end then offsets with slide block 6; Under the effect of spring 7, back-up ring 8 is against on the penholder step 10 all the time, referring to Fig. 1, Fig. 4; In the present embodiment, interfere with each other in use, tangle for preventing each spring 7, described spring 7 middle parts and two ends all are and loop-shaped, referring to Fig. 9, and be provided with in the lower end of each slide block 6 spring 7 upper ends are coated flap 6E in it, referring to Fig. 6, Fig. 7;

The upper periphery of slide block 6 also is cam structure, and under the effect of spring 7, its upper end-face edge 6B or end points 6C are against on cam edge 5B, the 5C or end recess 5A of runner 5, referring to Fig. 6, Fig. 1 all the time;

Penholder 10 forms three road longitudinally guiding groove 10A on the inwall of corresponding slide block 6, then be provided with the convex tendon 6A with described corresponding gathering sill 10A sliding gomphosis on the lateral surface of three slide blocks 6, thus limit slide block 6 relatively penholder 10 vertically move; For further limiting vertically moving of slide block 6 relative penholders 10, described penholder inwall also can along circumferentially form identical with gathering sill 10A number and evenly between the retaining convex rib 10C of cloth between gathering sill 10A, whole slide block 6 is limited between the adjacent two retaining convex rib 10C, referring to Fig. 4, Fig. 6, Fig. 1; Simultaneously described back-up ring 8 also has three uniform triangular groove 8B along circumferential, just in time be stuck in described penholder retaining convex rib 10C place, thereby solve the problem of back-up ring 8 relative penholder 10 splines effectively, referring to Figure 10.

During use, turn pen clip 4, runner 5 rotates thereupon, and under the elastic force effect of spring 7, three slide blocks 6 move up and down successively along penholder inwall straight trough 10A, and three pen cores 9 are also along with moving up and down successively; When the end points 6C of each slide block 6 is positioned at the end recess 5A place of runner cam, because of concavo-convex cooperation, slide block end points 6C can stably rest on runner cam end recess 5A place, at this moment, corresponding pen core 9 moves down and just in time makes nib to be in dew core position, also promptly is in the state of writing; When slide block end points 6C was positioned at runner cam root 5C place, corresponding pen core 9 is in hid the core position; When slide block end points 6C was positioned at runner cam edge 5B place, corresponding pen core 9 was in the fast moving state.

Pen core in above-mentioned can be selected refill for ball-point pen, Neutral ball-point for ball-point pen, propelling pencil refill and computer pen core etc. for use by writing material, and refill for ball-point pen and Neutral ball-point for ball-point pen can be selected versicolor pen core again for use; Also can be strip such as rubber bar.If pen core is a propelling pencil, then be in when revealing the core state when this pen core, to press and press 1 length that can adjust lead for retractable pencil, rubber 2 is positioned at presses 1, pulls up when needing to press 1 and can use.

Need to prove, " pen clip " comes down to a rotating drive part in the present invention in above-mentioned, is that the function in conjunction with its pen clip unites two into one it in the above-described embodiments, that is to say, in actual applications, real pen clip also can separate with rotating drive part and become an individual components; Therefore, this " pen clip " is a kind of appellation to rotating drive part essential among the present invention, and its concrete structure is not subjected to the restriction of its title.

Claims

1, a kind of pen with rotary multiple tips, include penholder and be arranged at least two interior pen cores of penholder, be provided with pen core at the afterbody of penholder and select mechanism, comprise the pen clip that is arranged on the penholder tail end, be connected the runner of one with pen clip and be arranged on the slide block of pen core tail end, runner penholder rotation relatively, and its front end is cam-like, the upper end of slide block is being against under the action of reset spring of pen core on the profile of this cam all the time, and can under the driving of cam, move up and down by relative penholder, it is characterized in that described penholder inwall forms and the corresponding longitudinally guiding groove of each slide block, then be provided with convex tendon on the lateral surface of each slide block with described corresponding gathering sill sliding gomphosis; And described pen clip links to each other with runner by a connector, wherein the outer wall close-fitting of pen clip and connector, and connect in the keyway mode, and the runner afterbody inserts in the connector, and also connects in the keyway mode, and this connector is in the part that is positioned at penholder penholder rotation relatively.

2, pen with rotary multiple tips according to claim 1 is characterized in that described connector is connected by hoop convex tendon-groove mode between the part in penholder and penholder.

3, pen with rotary multiple tips according to claim 1, it is characterized in that described penholder inwall also along circumferentially form identical with the gathering sill number and evenly between the retaining convex rib of cloth between gathering sill.

4, according to claim 1,2 or 3 described pen with rotary multiple tips, it is characterized in that described pen core back-moving spring is provided with in the following manner: form a ring-shaped step at described penholder inwall medium position, shelve a back-up ring on the step, have on the back-up ring and hold the through hole that each pen core passes through, each back-moving spring promptly is enclosed within outside each pen core, the lower end withstands on the described back-up ring, and the upper end withstands on the slide block of each pen core tail end.

5, pen with rotary multiple tips according to claim 4 is characterized in that described back-moving spring middle part and two ends all are and loop-shaped, and is provided with the flap that will coat on the back-moving spring in it in the lower end of each slide block.

6, be pen with rotary multiple tips according to claim 4, it is characterized in that described back-up ring is arranged on the retaining convex rib lower end of described penholder inwall, and form at corresponding each retaining convex rib place they are held wherein groove.