CN210309662U

CN210309662U - Ball pen convenient for replacing pen core

Info

Publication number: CN210309662U
Application number: CN201921148314.0U
Authority: CN
Inventors: 刘中兴
Original assignee: Wuxi Paide Stationery Gifts Co ltd
Current assignee: Wuxi Paide Stationery Gifts Co ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-14
Anticipated expiration: 2029-07-20

Abstract

The utility model belongs to the technical field of ballpoint pens, a ballpoint pen convenient for changing a refill is related to, which comprises a driving shell, a driving block arranged in the driving shell, a fixed shell, a refill arranged in the fixed shell, a reset spring arranged in the fixed shell, and a limiting plate fixedly connected on the refill, wherein the fixed shell is provided with a mounting groove, the mounting groove is connected with a mounting block in a sliding way, a first chute is arranged on the side wall of the mounting block along the vertical direction, the refill is connected in the first chute in a sliding way, a second chute communicated with the first chute is arranged on the side wall of the mounting block, the limiting plate and the reset spring are both connected in the second chute in a sliding way, a reserved groove for the refill to slide is arranged on the driving shell, and a fixing device for fixing the mounting block is arranged in the mounting groove; the utility model discloses have refill and change easy operation's effect.

Description

Ball pen convenient for replacing pen core

Technical Field

The utility model belongs to the technical field of the technique of ballpoint and specifically relates to a ballpoint convenient to change refill is related to.

Background

A ball-point pen is a pen using a minute rotary ball made of brass, steel or tungsten carbide, which releases ink onto paper when writing.

Referring to fig. 1, a ball-point pen of the prior art includes a housing 1 and a pen core 2, wherein the housing 1 includes a driving shell 11 and a fixed shell 12, and the driving shell 11 is inserted into the fixed shell 12 for rotation. The refill groove 3 has been seted up along its length direction in the

set casing

12, and 2 sliding connection of refill are equipped with reset spring 5 in the refill groove 3 on the refill 2, fixedly connected with limiting plate 4 on the lateral wall of

refill

2, and 5 refill grooves 3's of reset spring lateral wall on fixedly connected with and reset spring 5 slide extruded baffle 6, the spring is located between limiting plate 4 and the baffle 6. A driving block 7 (refer to fig. 2) is fixedly connected in a driving shell 11 of the spring and refill groove 3, the driving block 7 is spirally arranged, the distance between the bottom surface of the driving block 7 and the plane where the shell opening of the driving shell 11 is located is gradually shortened along the circumferential direction of the driving shell 11, and the bottom surface of the driving block 7 is abutted to the top surface of the refill 2. When the ball-point pen needs to be used, the driving shell 11 is rotated, the bottom surface of the driving block 7 extrudes the pen core 2, so that the core head of the pen core 2 extends out of the pen core groove 3, the bottom surface of the driving block 7 continuously supports and presses the pen core 2, and the pen core 2 can be firmly used.

However, after a long time, the refill needs to be replaced, the refill needs to be detached from the driving shell and the fixed shell in the replacement process, but in order to ensure the firmness of the refill, the driving shell and the fixed shell are firmly connected, so that the detachment operation of the driving shell and the fixed shell is troublesome, and the replacement of the refill is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ballpoint pen convenient to change refill, it has refill and changes easy operation's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a ballpoint pen convenient to change refill, includes the drive shell, sets up drive block, the set casing in the drive shell, sets up refill in the set casing, offers refill groove in the set casing, sets up reset spring, the limiting plate of fixed connection on the refill in the set casing, the mounting groove has been seted up on the set casing, sliding connection has the installation piece in the mounting groove, spout one has been seted up along vertical direction on the lateral wall of installation piece, refill sliding connection is in spout one, spout one is through connected with refill groove, set up on the lateral wall of installation piece with spout one through connect in spout two, the equal sliding connection of limiting plate, reset spring is in spout two, set up on the drive shell and be used for the gliding preformed groove of refill, be provided with the fixing device who is used for the fixed mounting piece in the mounting groove.

Through adopting above-mentioned technical scheme, locate the mounting groove with the refill card and slide in the sliding tray when the refill is changed, and make the limiting plate, reset spring sliding connection is in spout two, make the installation piece slide and peg graft in the mounting groove afterwards, peg graft and accomplish the back, the refill can contradict in the drive block under reset spring's effect, and make the installation piece be fixed in the mounting groove through fixing device, dismantle the ballpoint when this kind of setting can avoid changing the refill, only need can change the refill through making the installation piece break away from the mounting groove, make refill change easy operation.

The utility model discloses further set up to: fixing device is including setting up the elastic pin on the mounting groove lateral wall, seting up the spacing groove of pegging graft with the elastic pin cooperation on the installation piece lateral wall, the cotter way has been seted up on the lateral wall of mounting groove, the elastic pin is including promoting spring and spacing ball, spacing ball sliding connection is in the cotter way, promote spring one end fixed connection in the lateral wall of spacing ball, other end fixed connection is in the bottom lateral wall of cotter way.

By adopting the technical scheme, when the mounting block is inserted into the mounting groove, the limiting ball is in sliding insertion into the limiting groove under the action of the pushing spring, so that the mounting block is fixedly inserted into the mounting groove; when the installation block is required to be separated from the installation groove, the installation block is directly pulled to enable the limiting ball to be separated from the limiting groove, so that the installation block can be separated. The fixing mode is simple to operate, and the installation block and the installation groove can be conveniently and quickly fixed and detached.

The utility model discloses further set up to: the fixing device comprises a magnetic block fixedly connected to the side wall of the mounting block and an iron block which is embedded in the side wall of the mounting groove and is adsorbed with the magnetic block in a sliding mode.

By adopting the technical scheme, when the mounting block is inserted into the mounting groove, the magnetic block and the iron block are in sliding adsorption, and the mounting block and the mounting groove are fixed by utilizing the adsorption of the iron block and the magnetic block; when the installation block is required to be separated from the installation groove, the installation block can be directly pulled to realize the installation. The fixing mode is simple to operate, and the installation block and the installation groove can be conveniently and quickly fixed and detached.

The utility model discloses further set up to: the side wall of the mounting block is hinged with a pull rod for pulling the mounting block.

Through adopting above-mentioned technical scheme, the setting up convenient to use person of pull rod pulls the installation piece.

The utility model discloses further set up to: and a rod groove for accommodating the pull rod is formed in the side wall of the mounting block.

Through adopting above-mentioned technical scheme, the setting in rod groove can avoid pull rod protrusion in the body of a brush of ballpoint, improves the comfort that the user used.

The utility model discloses further set up to: and the side wall of the rod groove is hinged with a cover plate for sealing the rod groove.

Through adopting above-mentioned technical scheme, the setting of apron can carry out the closing cap to the notch in pole groove, improves the aesthetic property of ballpoint, also avoids setting up of recess simultaneously to influence the user to taking of ballpoint and hold between the fingers.

The utility model discloses further set up to: fixedly connected with guide block on the lateral wall of installation piece, set up on the lateral wall of mounting groove with guide block complex guide way.

Through adopting above-mentioned technical scheme, the setting up of guide block and guide way is favorable to installation piece and the quick location of mounting groove to be pegged graft, is favorable to installation piece and mounting groove to insert simultaneously and closes more firmly.

The utility model discloses further set up to: the improved pen refill is characterized in that an extrusion block is slidably connected to the first sliding groove, a connecting plate is fixedly connected to the side wall of the extrusion block, the connecting plate is arranged in the direction perpendicular to the pen refill, a row groove used for the connecting plate to move in the vertical direction is formed in the side wall of the first sliding groove, a tension spring is fixedly connected to the upper side wall of the connecting plate and the row groove, the tension spring is arranged in the direction parallel to the pen refill, the driving block is in rotating conflict with the extrusion block, and the extrusion block is in sliding conflict with the upper end of the pen refill.

Through adopting above-mentioned technical scheme, this kind of setting can avoid the drive block directly to extrude the refill, is favorable to protecting the structure of refill, avoids the wearing and tearing of refill, is favorable to the recycle of refill.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the mounting block, the mounting groove and the fixing device, the effect of simple refill replacement operation can be achieved;

2. through the setting of extrusion piece, can play and avoid the drive block directly to extrude the refill, be favorable to protecting the structure of refill, avoid the wearing and tearing of refill, be favorable to the recycle of refill.

Drawings

FIG. 1 is a schematic diagram of a cross-sectional view of a ball-point pen of the background art;

FIG. 2 is a schematic diagram of a driving block in the prior art;

FIG. 3 is a schematic view showing the structure of an exploded view of a ballpoint pen in example 1;

FIG. 4 is a schematic view of an enlarged view at A in FIG. 3;

FIG. 5 is a schematic view of an enlarged view at B in FIG. 3;

FIG. 6 is a schematic view showing a cross-sectional view for embodying the structure of the fixing means in example 1;

FIG. 7 is a schematic view showing an exploded view of an internal structure of the chute;

fig. 8 is a schematic view showing a cross-sectional view of the fixing device according to example 2.

In the figure, 1, a housing; 11. a drive case; 12. a stationary case; 2. a pen core; 3. a refill slot; 4. a limiting plate; 5. a return spring; 6. a baffle plate; 7. a drive block; 8. mounting grooves; 9. mounting blocks; 10. a guide block; 13. a guide groove; 15. a fixing device; 151. an elastic pin; 1511. a push spring; 1512. a limiting ball; 152. a limiting groove; 153. a magnetic block; 154. an iron block; 16. a pin slot; 17. a rod groove; 18. a pull rod; 19. a cover plate; 20. a first sliding chute; 21. extruding the block; 22. a connecting plate; 23. a row groove; 24. tensioning the spring; 25. a second chute; 26. and (5) reserving a groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a ball-point pen convenient for replacing a refill refers to fig. 3 and comprises a driving shell 11, a driving block 7 arranged in the driving shell 11, a fixed shell 12 arranged on the driving shell 11, a refill 2 arranged in the fixed shell 12, a refill groove 3 arranged in the fixed shell 12, a return spring 5 arranged in the fixed shell 12 and a limiting plate 4 fixedly connected to the refill 2. Wherein, drive shell 11 is located the top of set casing 12, and drive shell 11 and set casing 12 are rotated and are connected. The driving shell 11 is provided with a mounting groove 8, and a mounting block 9 is inserted in the mounting groove 8 in a sliding manner.

Referring to fig. 3 and 4, guide blocks 10 are symmetrically and fixedly connected to upper and lower sidewalls of the mounting block 9, and the guide blocks 10 are disposed in a direction perpendicular to the cartridge 2. The side wall of the mounting groove 8 is provided with a guide groove 13 matched with the guide block 10.

Referring to fig. 3 and 5, a rod groove 17 is formed on an outer side wall of the mounting block 9, and the rod groove 17 is arranged in a horizontal direction. A pull rod 18 for pulling the mounting block 9 is hinged in the rod groove 17. The side wall of the rod groove 17 is hinged with a cover plate 19 for covering the rod groove 17.

Referring to fig. 6, a fixing device 15 for fixing the mounting block 9 is disposed in the mounting groove 8, and the fixing device 15 includes an elastic pin 151 disposed on a side wall of the mounting groove 8 and a limit groove 152 disposed on a side wall of the mounting block 9 and engaged with the elastic pin 151. Wherein, the inner chamber of spacing groove 152 is hemispherical setting, has seted up cotter 16 on the lateral wall of mounting groove 8, and cotter 16 inner chamber is cylindric setting, and the elastic pin 151 is including promoting spring 1511 and spacing ball 1512, and spacing ball 1512 sliding connection is in cotter 16, and promotion spring 1511 one end fixed connection is in the lateral wall of spacing ball 1512, and other end fixed connection is in the bottom lateral wall of cotter 16.

Referring to fig. 7, a first sliding groove 20 is formed in one side, back to the outer wall of the mounting block 9, of the mounting block 9 in the vertical direction, and the first sliding groove 20 is in through connection with the upper side wall of the mounting block 9. The inner cavity of the first sliding groove 20 is arranged in a cylindrical shape. The pen core 2 is slidably connected in the first sliding groove 20, and the first sliding groove 20 is communicated with the pen core groove 3.

Referring to fig. 7, the first sliding groove 20 is slidably connected with an extrusion block 21, and the extrusion block 21 is disposed in a cylindrical shape. The lateral wall of the extrusion block 21 is symmetrically and fixedly connected with a connecting plate 22, the connecting plate 22 is arranged along the direction perpendicular to the pen core 2, and the lateral wall of the first sliding groove 20 is provided with a row groove 23 for the connecting plate 22 to move along the vertical direction.

Referring to fig. 7, a tension spring 24 is fixedly connected between the upper side wall of the connecting plate 22 and the upper side wall of the slot 23, the tension spring 24 is arranged in a direction parallel to the cartridge 2, the driving block 7 is in rotational contact with the upper surface of the pressing block 21 when rotating, and the pressing block 21 is in sliding contact with the upper end surface of the cartridge 2 when being stressed.

Referring to fig. 7, a second sliding groove 25 is formed in the side wall of the mounting block 9 and connected to the first sliding groove 20 in a penetrating manner, the second sliding groove 25 is located below the row groove 23, and the cross-sectional area of the second sliding groove 25 is larger than that of the first sliding groove 20.

Referring to fig. 7, the limiting plate 4 and the return spring 5 are both slidably connected in the second sliding groove 25, the upper end surface of the return spring 5 is slidably extruded with the limiting plate 4 of the second sliding groove 25, and the lower end surface of the return spring 5 is slidably extruded with the bottom of the second sliding groove 25.

Referring to fig. 4, a preformed groove 26 for sliding the extrusion block 21 is formed on the driving shell 11, and the preformed groove 26 is connected with the inner cavity of the driving shell 11 in a penetrating manner.

The specific implementation process comprises the following steps: when the refill 2 is installed, the refill 2 is clamped in the installation groove 8, the refill 2 slides in the sliding groove, the limiting plate 4 and the return spring 5 are connected in the sliding groove II 25 in a sliding mode, at the moment, the refill 2 can generate upward thrust on the extrusion block 21 under the action of the return spring 5, the installation block 9 is inserted in the installation groove 8 in a sliding mode, the driving block 7 penetrates through the reserved groove 26, when the installation block 9 is inserted in the installation groove 8, the limiting ball 1512 slides and is inserted in the limiting groove 152 under the action of the pushing spring 1511, so that the installation block 9 is inserted and fixed in the installation groove 8, and the extrusion block 21 is extruded and abutted against the driving block 7 after the insertion is completed;

when the refill 2 needs to be replaced, the fixing block is directly pulled by the pull rod 18, so that the limiting ball 1512 is separated from the limiting groove 152, and the mounting block 9 can be separated.

Example 2: referring to fig. 8, a ball-point pen with a refill easily replaceable is different from that of embodiment 1 in that a fixing device 15 comprises a magnet 153 fixedly connected to a side wall of a mounting block 9 and an iron block 154 embedded in a side wall of a mounting groove 8 and slidably attracted to the magnet 153. The magnetic block 153 and the iron block 154 are both arranged in a cylindrical shape.

When the mounting block 9 is inserted into the mounting groove 8, the magnetic block 153 and the iron block 154 are slidingly adsorbed, and the mounting block 9 and the mounting groove 8 are fixed by utilizing the adsorption of the iron block 154 and the magnetic block 153; when the mounting block 9 is required to be separated from the mounting groove 8, the mounting block 9 can be directly pulled to realize the mounting.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ballpoint pen convenient to change refill, includes drive shell (11), sets up drive block (7) in drive shell (11), set up refill (2) in set shell (12), set up refill (2) groove in set shell (12), set up reset spring (5) in set shell (12), limiting plate (4) of fixed connection on refill (2), its characterized in that: the utility model discloses a pen refill, including mounting block (2), mounting groove (8), sliding connection have installation piece (9) in mounting groove (8), spout one (20) have been seted up along vertical direction on the lateral wall of installation piece (9), refill (2) sliding connection is in spout one (20), spout one (20) and refill (2) groove through connection, set up on the lateral wall of installation piece (9) with spout one (20) through connection in spout two (25), limiting plate (4), reset spring (5) equal sliding connection are in spout two (25), set up on drive shell (11) and be used for gliding preformed groove (26) of refill (2), be provided with fixing device (15) that are used for fixed mounting piece (9) in mounting groove (8).

2. A ballpoint pen facilitating refill replacement as set forth in claim 1, wherein: fixing device (15) including set up in elastic pin (151) on mounting groove (8) lateral wall, set up on mounting block (9) lateral wall with spacing groove (152) that elastic pin (151) cooperation was pegged graft, cotter way (16) have been seted up on the lateral wall of mounting groove (8), elastic pin (151) are including pushing spring (1511) and spacing ball (1512), spacing ball (1512) sliding connection is in cotter way (16), pushing spring (1511) one end fixed connection is in the lateral wall of spacing ball (1512), and other end fixed connection is in the bottom lateral wall of cotter way (16).

3. A ballpoint pen facilitating refill replacement as set forth in claim 1, wherein: the fixing device (15) comprises a magnetic block (153) fixedly connected to the side wall of the mounting block (9) and an iron block (154) which is embedded in the side wall of the mounting groove (8) and is in sliding adsorption with the magnetic block (153).

4. A ballpoint pen facilitating refill replacement as set forth in claim 1, wherein: the side wall of the mounting block (9) is hinged with a pull rod (18) used for pulling the mounting block (9).

5. A ballpoint pen facilitating refill replacement as claimed in claim 4, wherein: and a rod groove (17) for accommodating a pull rod (18) is formed in the side wall of the mounting block (9).

6. A ballpoint pen facilitating refill replacement as claimed in claim 5, wherein: the side wall of the rod groove (17) is hinged with a cover plate (19) for sealing the rod groove (17).

7. A ballpoint pen facilitating refill replacement as set forth in claim 1, wherein: fixedly connected with guide block (10) on the lateral wall of installation piece (9), seted up on the lateral wall of mounting groove (8) with guide block (10) complex guide way (13).

8. A ballpoint pen facilitating refill replacement as set forth in claim 1, wherein: sliding connection has extrusion piece (21) in spout one (20), fixedly connected with connecting plate (22) on the lateral wall of extrusion piece (21), setting along perpendicular to refill (2) direction is followed in connecting plate (22), offer on the lateral wall of spout one (20) and be used for connecting plate (22) to follow capable groove (23) that vertical direction removed, fixedly connected with straining spring (24) on the last lateral wall of connecting plate (22) and capable groove (23), straining spring (24) set up along being on a parallel with refill (2) direction, drive block (7) are rotated with extrusion piece (21) and are contradicted, extrusion piece (21) are contradicted with the upper end slip of refill (2).