CN2607262Y

CN2607262Y - Propelled pencil

Info

Publication number: CN2607262Y
Application number: CN 03229897
Authority: CN
Inventors: 陈祖友
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-28
Filing date: 2003-03-28
Publication date: 2004-03-24
Anticipated expiration: 2013-03-28

Abstract

The utility model relates to a propelling pencil, comprises a pen point (2), a medium knot (5), a penholder (7), an automatic core device with a pencil head (1) and a hand core device, the automatic core device comprises a pencil head (1), a core cap (17), a spring (3), a front cover (16), a clamping head (4), a locking pipe (15) and a core pipe (13), the clamping head (4) is arranged in front of the locking pipe (15), the clamping head (4) is oppositely combined with two hollow semi-circular which are shorter than the semicircle, and when holding, the clamping head (4) is in oblong which holding the cartridge, in order to hold and convey neatly the cartridge, the hand core device comprises a press head (9), a hexangular guide sleeve (10), an inner tube (11) and a sprag (12) used for freely adjusting the length of the cartridge. The utility model has the advantages of using the core cap with good elastic structure to make the free and the facility of conveying the cartridge when the pencil head unfolding, and at the same time, the act locking the cartridge is flexible; secondly, the utility model is provided with the mechanism which can freely adjust the clamping, can satisfy sundry applying situation with different styles and writing habit.

Description

Full automatic pencil

Technical field

The utility model relates to a kind of stationery field, but particularly relates to a kind of propelling pencil that has the free adjustment pen core.

Background technology

The structure kind of propelling pencil is a lot of both at home and abroad at present, wherein more representative as disclosed a kind of " propelling pencil " among the Chinese patent specification 02226793.X, as shown in Figure 3, it includes nib 16, shell 14, assembling pipe 4, has pen core 1, nib 2, elastic tape 3, sandwich sheet 15, jaw 13 and barrel 5,6 send pen-cartridge device, tail key 7, rubber 8 and keycap 9 are formed, barrel is installed in the shell, be formed with groove 12 between the first half of barrel and the shell, this tail key and keycap are a hollow tube body structure, the hypomere of tail key is plugged in the described groove, and be set in the periphery of barrel, and keycap is set in outside the outer tube wall of tail key, rubber partly is housed in the inner chamber body of this tail key and is exposed to tail key top, wherein, the outer tube wall of tail key is provided with screw thread 11, and the inner chamber wall of keycap is provided with corresponding internal thread 10, write or when using rubber, with keycap to backspin, rubber is exposed, write or when using rubber to finish, keycap is upwards revolved, and the part that can make rubber be exposed to the tail key is contained in the inner chamber body of keycap fully.The advantage of disclosed " propelling pencil " is that keycap realizes combining with the mode of tail key by the screw thread screw lock among this patent specification 02226793.X, and it is in conjunction with reliable, and keycap need not to take off in use, is difficult for losing.Yet its shortcoming is owing to adopted the function of writing or using rubber in the rear end of " propelling pencil ", thus at " propelling pencil " but the rear end mechanism of free adjustment pen core can not be set; In addition, to be used in the pen-cartridge device carry the elastic tape of pen core be a simple hollow circular cylinder sending automatically, easily produces the inhomogeneous and sensitivity of the automatically defeated core of influence of frictional force when pen core is taken out of.

Summary of the invention

The purpose of this utility model is exactly in order to overcome above-mentioned weak point of the prior art, to press the propelling pencil that protects core free adjustment pen core length and that have the favorable elasticity structure that is used for the smooth delivery of power pen core that head send pen-cartridge device but provide a kind of employing to have.

The purpose of this utility model is by providing a kind of propelling pencil with following structure to realize, it is made up of the core apparatus that send automatically of nib, middle joint, penholder and band nib thereof, described nib band is cone shape, joint in being fastenedly connected in its rear end endoporus, joint is the fixed part of hollow tubular structure in described, and its middle part is screwed into one with the penholder that is hollow tubular structure equally.

Described send automatically core apparatus comprise as the movable part that touches head and be used for to its most preceding mouth provide pen core nib, protect core, spring, when the steel ball, protecgulum, clamping head, the locking pipe that play the rolling lubrication effect before and after the clamping head when movable, send the core pipe, described nib as the touch mouth has the small stair cylinder for the rear end, front tip of the brushstyle of a writing or painting chamfering, its axial centre has the through hole that matches with the pen core external diameter, the rear end fastener one of described nib be used for locking pen core protect core; The small stair of nib rear end is tight to be inserted in the described hole of protecting the core front end, protecting core is that rubber is made, and its rear portion has the endoporus of being small at both ends and big in the middle, and has good cartridge clip function, take out of for the ease of pen core, little inner via hole promptly matches with the pen core external diameter in the middle of it.Protect core and be and settle and end face is positioned on the inner face of mesopore of nib.

Described nib is a movable part, be used for providing pen core to its most preceding mouth, described nib and the tight core of inserting that protects thereof are that the spring of the front concave end face by being positioned at protecgulum is realized moving forward and backward, described spring is used for providing stretching force after written stressed contraction, and the front concave end face of described protecgulum is controlled the front and back scope of activities of nib simultaneously.

The core that protects that described rubber is made has been rubbing action, utilizes the frictional force that core and pen core produce of protecting of rubber, when nib stretches pen core is taken out of, to reach the purpose of carrying pen core.Described nib and penholder are spirally connected, and play packing and hold effect, hold on the external diameter of hand-holding part that rubber tightly is enclosed within penholder, rise and decorate and beauty function.Wearing and press from both sides in the rear end of described penholder fixedly connected, is used for the present invention is worn in clothing.

Described locking pipe and send the core pipe they be arranged on before and after successively described in the hollow of joint, anterior device one clamping head of described locking pipe, it is involuted by the hollow semicircular body of two lobes less than semicircle, and when closing up fully, be and be convenient to ellipse that pen core is clamped, so that pen core can be clamped after shrinking, the hollow of the clamping head that described semicircular body involutes is hole with the level, and the aperture of its rear end is bigger, and this is to be convenient to pen core can freely enter; The aperture of front end is less, is used for locking pen core.Described two lobes also respectively are provided with a groove less than the front end outer radius of the clamping head of semicircle, respectively lay one and serve as the steel ball that plays the rolling lubrication effect when the clamping head front and back are movable in groove; The middle part of described clamping head is provided with spring, and its front end of described spring is positioned to lock an inner face of pipe, and its rear end is positioned to be used for promoting to send resetting of core pipe by the locking pipe on the middle part cylindrical end face of clamping head self.

Describedly be used to carry the core front end that protects of pen core to be provided with one and to be used for the hole of tightly inserting described written rear end small stair.Described locking pipe and send the core duct member to be placed in nib and protect the back of core uses the clamping head clamping to carry pen core, its objective is and guarantees in carrying the pen core process, can not misplace and splits off because of neutral gear occurring when two pen cores in front and back are end to end.Joint is used to assemble described locking pipe and send the core pipe for fixed part in described, makes it co-operating, finishes the task of automatic transport pen core jointly.

Be provided with at the described rear portion of sending core apparatus automatically and manually send pen-cartridge device, described manually sending in the penholder that pen-cartridge device is arranged on hollow tubular, it includes presses head, hexagonal guide pin bushing, interior pipe, back-up ring; The described tail end that head is arranged on described penholder of pressing that is used for free adjustment pen core length, the rear end of described penholder hollow has send the pen core action to play the guiding role, the hexagonal guide pin bushing endoporus that pen core can not split off, described hexagonal guide pin bushing is to have hollow tubular structure step and have outer-hexagonal shape lead at little head end, described hexagonal guide pin bushing lead promptly is fitted in the hexagonal endoporus of described penholder rear end, the described hexagonal guide pin bushing that has step has outside cylinder at stub end, and described hexagonal guide pin bushing outside cylinder promptly is fitted in the tubulose endoporus of hollow of described penholder rear end; The effect of this structure is to send core when action when the described core apparatus that send in penholder, not for to do the motion of circumferencial direction, and good guidance quality is arranged in the penholder endoporus, can not split off with the assurance pen core.In the hollow of the little head end of described hexagonal guide pin bushing, be provided with a step end face, described step end face be close proximity to described in the rearmost end of pipe, described in the fixing as one with the rearmost end of sending the core pipe foremost of pipe.

The described rubber of the rear end fastener one of described nib is made be used for locking pen core, have the endoporus of being small at both ends and big in the middle protect core.

The described head of pressing has interior cylindric section " U " font, that have step, the outer cylinder surface of its openend slides and is fitted to the inner periphery of described penholder tail end, the inner periphery of its openend of described " U " font section closely is inserted in the lead of described hexagonal guide pin bushing, and the interior cylindric step of " U " font is close proximity to the low order end of the lead of hexagonal guide pin bushing.When hand is pressed, press head by interior cylindric step, drive the hexagonal guide pin bushing and do directed moving forward at the inner periphery of penholder, described hexagonal guide pin bushing again by its step end face drive successively described in pipe, send the core pipe, pen core is sent to front end.But thereby realize free adjustment pen core length.In described between the front end face of rear end face and the back-up ring of joint, be provided with the spring that hand presses that is used to reset.

The rear end of described penholder fixedly connected one is used for the pendant that the utility model is worn on clothing is pressed from both sides.Install the rubber of decorating together with beauty function of holding on the external diameter of the hand-holding part of described penholder.

Compared with prior art, advantage of the present utility model be to utilize have the favorable elasticity structure protect core send core apparatus automatically, when nib stretches, carry the free smooth of pen core, lock the pen core flexible movements simultaneously, can not fracture by pen core when writing; Next, but the utility model is provided with the mechanism of free adjustment pen core, can be satisfied with the application scenario of different-style of all kinds and writing style.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 send the core apparatus structural representation automatically for the utility model

Fig. 3 is a kind of prior art constructions schematic diagram;

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Fig. 1 to Fig. 2 shows an embodiment of this utility model.The utility model full automatic pencil by as the nib 1, nib 2, the middle joint 5 that touch mouth, hold rubber 6, penholder 7, automatically send core apparatus, press that head send pen-cartridge device and the device pendant folder 8 at described penholder tail end, presses 9, hexagonal guide pin bushing 10 is formed.Described nib 2 is with cone shape, joint 5 in being fastenedly connected in its rear end endoporus, and described middle joint 5 is a hollow tubular structure, its middle part is screwed into one with penholder 7.

The described steel ball 14 that send core apparatus to comprise automatically to play the rolling lubrication effect as nib 1 clamping head 4 that touches head, when clamping head 4 front and back are movable, protect core 17,

spring

3,31,32, protecgulum 16, locking pipe 15, send core pipe 13, back-up ring 12.Described nib 1 as the touch mouth has the small stair cylinder for the rear end, front tip of the brushstyle of a writing or painting chamfering, its axial centre has the through hole that matches with the pen core external diameter, described written 1 rear end small stair is tight to be inserted in the described hole of protecting core 17 front ends, protecting core 17 is that rubber is made, its rear portion has the endoporus of being small at both ends and big in the middle, and takes out of for the ease of pen core (pen core does not illustrate in the drawings), and little inner via hole promptly matches with the pen core external diameter in the middle of it.Protect core 17 and be and settle and end face is positioned on the inner face of mesopore of nib 2.

Described written 1 is movable part, be used for providing pen core to its most preceding mouth, described written 1 and the tight core of inserting 17 that protects be that the spring 3 of the front concave end face by being positioned at protecgulum 16 is realized moving forward and backward, described spring 3 is used for providing stretching force after nib 1 stressed contraction, and the front concave end face of described protecgulum 16 is controlled the front and back scope of activities of nib 1 simultaneously.

The core 17 that protects that described rubber is made has been rubbing actions, and that utilizes rubber protects core 17 and the frictional force that pen core is produced, and when nib 1 stretches pen core is taken out of, to reach the purpose of conveying pen core.Described nib 2 is spirally connected with penholder 7, plays packing and holds effect, holds on the external diameter of hand-holding part that rubber 6 tightly is enclosed within penholder 7, plays decoration and beauty function.Wearing and press from both sides 8 in the rear end of described penholder 7 fixedly connected, is used for the present invention is worn in clothing.

Described locking pipe 15 and to send core pipe 13 are movable parts, they be arranged on before and after successively described in the hollow of joint 5; The anterior device of described locking pipe 15 has a clamping head 4, it is involuted by the hollow semicircular body of two lobes less than semicircle, ovalize when closing up fully, so that pen core can be clamped after shrinking, the hollow of the clamping head 4 that described semicircular body involutes is holes with the level, the aperture of its rear end is bigger, and this is to be convenient to pen core can freely enter; The aperture of front end is less, is used for locking pen core.Described two lobes also respectively are provided with a groove less than the front end outer radius of the clamping head 4 of semicircle, respectively lay one and serve as the steel ball 14 that plays the rolling lubrication effect when clamping head 4 front and back are movable in groove; The middle part of described clamping head 4 is provided with spring 31, and described spring 31 its front ends are positioned to lock an inner face of pipe 15, and its rear end is positioned to be used for promoting to send resetting of core pipe 13 by locking pipe 15 on the middle part cylindrical end face of clamping head 4 self.

The locking pipe 15 that assembles and send core pipe 13 parts to be placed in nib 1 and protect the back of core 17, use clamping head 151 clampings to carry pen core, its objective is and guarantee in carrying the pen core process, when two pen cores in front and back are end to end, can not misplace and split off because of neutral gear occurring.Joint 5 is a fixed part in described, and the movable part that is used to assemble described locking pipe 15 and send core pipe 13 makes it co-operating, finishes the task of automatic transport pen core jointly.

The described head of pressing send pen-cartridge device in penholder 7, and it comprises interior pipe 11, back-up ring 12, send core pipe 13 etc.; Described penholder 7 is a hollow tubular structure with interior pipe 11, and the rear end of described penholder 7 hollows has hexagonal guide pin bushing shape endoporus 101.Described hexagonal guide pin bushing 10 is to have hollow tubular structure step and have outer-hexagonal shape lead 102 at little head end, described hexagonal guide pin bushing lead 102 promptly is fitted in the hexagonal guide pin bushing shape endoporus 101 of described penholder 7 rear ends, the described hexagonal guide pin bushing 10 that has step has outside cylinder 103 at stub end, described hexagonal guide pin bushing outside cylinder 103 promptly is fitted in the tubulose endoporus of hollow of described penholder 7 rear ends; The effect of this structure is to send core when action when the described core apparatus that send in penholder 7, not for to do the motion of circumferencial direction, and good guidance quality is arranged in the penholder endoporus, can not split off with the assurance pen core.In the hollow of the little head end of described hexagonal guide pin bushing 10, be provided with a step end face 104, described step end face 104 is close proximity to the rearmost end of described interior pipe 11.

Pressing 9 in described penholder 7 tail ends described is the interior cylindric sections that have step with " U " font, the outer cylinder surface of its openend of section of described " U " font and the inner periphery of described penholder 7 tail ends are and are slidingly matched, the inner periphery of its openend of described " U " font section closely is inserted in the lead 102 of described hexagonal guide pin bushing 10, and the interior cylindric step 91 of " U " font is close proximity to the low order end of the lead 102 of hexagonal guide pin bushing 10; When hand presses 9, press 9 by interior cylindric step 91, drive hexagonal guide pin bushing 10 and do directed moving forward at the inner periphery of penholder 7, described hexagonal guide pin bushing 10 drives described interior pipe 11 successively, send core pipe 13 by its step end face 104 again, and pen core is sent to front end.But thereby realize free adjustment pen core length.Between the front end face of joint 5 rear end face and back-up ring 12, be provided with a spring 32 in described, the hand that is used to reset presses 9.The utility model is carried the free smooth of pen core when nib stretches, the flexible movements of locking pen core, but and realized the function of free adjustment pen core length, to satisfy the application demand of different writing styles.

Claims

1, a kind of full automatic pencil, by nib (2), middle joint (5), the sending core apparatus automatically and manually send pen-cartridge device to form of penholder (7) and band nib (1) thereof, described nib (2) is with cone shape, joint (5) in being fastenedly connected in its rear end endoporus, joint (5) is the fixed part of hollow tubular structure in described, its middle part is screwed into one with the penholder (7) that is hollow tubular structure equally, it is characterized in that: describedly send core apparatus to comprise automatically and be used for providing the nib (1) of pen core to its most preceding mouth as movable part, protect core (17), spring (3), protecgulum (16), clamping head (4), locking pipe (15), send core pipe (13), described locking pipe (15) and send core pipe (13) they be arranged on before and after successively described in the hollow of joint (5); Anterior device one clamping head (4) of described locking pipe (15), the front end outer radius of described clamping head (4) also is provided with a groove, in groove, lay one and serve as two steel balls (14) that when clamping head (4) front and back are movable, play the rolling lubrication effect, described nib (1) tightly is inserted in protects in the core (17), and spring (3) is arranged on described protecting between core (17) and the protecgulum (16).

2. propelling pencil according to claim 1, it is characterized in that: described manually sending in the penholder (7) that pen-cartridge device is arranged on hollow tubular, it includes presses head (9), hexagonal guide pin bushing (10), interior pipe (11), back-up ring (12), the described tail end that head (9) is arranged on described penholder (7) of pressing that is used for free adjustment pen core length, the rear end of described penholder (7) hollow has send the pen core action to play the guiding role, the hexagonal guide pin bushing endoporus (101) that pen core can not be split off, described hexagonal guide pin bushing (10) is to have hollow tubular structure step and have outer-hexagonal shape lead (102) at little head end, described hexagonal guide pin bushing lead (102) promptly is fitted in the hexagonal endoporus (101) of described penholder (7) rear end, the described hexagonal guide pin bushing (10) that has step has outside cylinder (103) at stub end, described hexagonal guide pin bushing outside cylinder (103) promptly is fitted in the tubulose endoporus of hollow of described penholder (7) rear end, in the hollow of the little head end of described hexagonal guide pin bushing (10), be provided with a step end face (104), described step end face (104) is close proximity to the rearmost end of described interior pipe (11), pipe (11) fixes as one with the rearmost end of sending core pipe (13) foremost in described, in described between the front end face of rear end face and the back-up ring (12) of joint (5), be provided with one and be used to reset and press the spring (32) of (9).

3. propelling pencil according to claim 1 and 2 is characterized in that: the described core (17) that protects has the endoporus of being small at both ends and big in the middle.

4. propelling pencil according to claim 2, it is characterized in that: the described head (9) of pressing has interior cylindric section " U " font, that have step, the outer cylinder surface of its openend slides and is fitted to the inner periphery of described penholder (7) tail end, the inner periphery of its openend of described " U " font section closely is inserted in the lead (102) of described hexagonal guide pin bushing (10), and the interior cylindric step (91) of " U " font is close proximity to the low order end of the lead (102) of hexagonal guide pin bushing (10).

5. propelling pencil according to claim 1 and 2 is characterized in that: described clamping head (4) is involuted by the hollow semicircular body of two lobes less than semicircle, and is the ellipse of being convenient to the pen core clamping when closing up fully.