CN216443355U - Automatic rotating locking device for pressing ball pen - Google Patents

Automatic rotating locking device for pressing ball pen Download PDF

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Publication number
CN216443355U
CN216443355U CN202122560837.XU CN202122560837U CN216443355U CN 216443355 U CN216443355 U CN 216443355U CN 202122560837 U CN202122560837 U CN 202122560837U CN 216443355 U CN216443355 U CN 216443355U
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China
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pressing piece
hole
positioning guide
linkage rod
mounting hole
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CN202122560837.XU
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Chinese (zh)
Inventor
林海
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Hangzhou Jinma Stationery And Gifts Co ltd
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Hangzhou Jinma Stationery And Gifts Co ltd
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Abstract

An automatic rotary locking device for pressing a ball pen comprises a pen holder, a pen point, a pen core, a push rod, a guide rail component, a sliding claw sleeve, a spring, a pressing piece, a connecting cap, a linkage rod, a positioning guide post and a limiting disc; the connecting cap is arranged at the top of the pen holder, a through hole is formed in the middle of the connecting cap, and a first arc-shaped hole is formed in the connecting cap; the pressing piece is positioned above the connecting cap; the upper end of the linkage rod is connected with the pressing piece, and the lower end of the linkage rod extends into the penholder; the upper end of the positioning guide column is connected with the pressing piece in a sliding manner, and the lower end of the positioning guide column is fixedly connected with the limiting disc; the limiting disc is detachably arranged at the bottom of the connecting cap; a second arc-shaped hole is formed in the limiting disc; the pressing piece and the limiting disc are mutually matched to form a self-locking mechanism. The utility model avoids the mistaken pressing caused by improper use or misoperation of a user, avoids the continuous use of the pressing piece by the user under consciousness to reduce the loss of parts in the ball pen, and has good protection effect on the parts in the ball pen.

Description

Automatic rotating locking device for pressing ball pen
Technical Field
The utility model relates to the field of ball-point pen equipment, in particular to an automatic rotating locking device for a pressing ball-point pen.
Background
As shown in fig. 1, in the prior art, a push rod 10, a guide rail member 30, a sliding claw sleeve 20, a spring and a refill inside a ball-point pen are matched with each other to form a linkage mechanism so as to realize the extending and retracting functions of the refill. Wherein, the pressure head outside the penholder and the push rod 10 form a linkage mechanism to push the push rod 10 to move downwards.
However, in the prior art, the pressure head has no self-locking structure, so that the cartridge is easy to be mistakenly touched to be retracted into the penholder in the writing process, and the normal writing cannot be realized; meanwhile, some users have a bad habit of continuously pressing the indenter in a non-writing state, and are liable to accelerate damage of the push rod 10, the guide rail member 20, the sliding pawl sleeve 30, the spring, and the like.
Therefore, how to realize the self-locking of the pressure head to ensure the normal writing of the refill is the problem to be solved.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides an automatic rotating locking device for a pressing ball pen.
(II) technical scheme
In order to solve the problems, the utility model provides an automatic rotary locking device for a pressing ball pen, which comprises a pen holder, a pen point, a pen core, a push rod, a guide rail part, a sliding claw sleeve and a spring, wherein the pen holder is arranged on the pen holder; the push rod, the guide rail component, the sliding claw sleeve, the spring and the pen core are matched with each other to form a linkage mechanism;
the device is characterized by further comprising a pressing piece, a connecting cap, a linkage rod, a positioning guide post and a limiting disc;
the connecting cap is arranged at the top of the pen holder, a through hole for the positioning guide column to pass through is formed in the middle of the connecting cap, and a first arc-shaped hole for the linkage rod to pass through is formed in the connecting cap;
the pressing piece is positioned above the connecting cap; the upper end of the linkage rod is connected with the pressing piece, and the lower end of the linkage rod extends into the penholder;
the upper end of the positioning guide column is connected with the pressing piece in a sliding manner, and the lower end of the positioning guide column is fixedly connected with the limiting disc; the limiting disc is detachably arranged at the bottom of the connecting cap; a second arc-shaped hole for the linkage rod to pass through is formed in the limiting disc, and the second arc-shaped hole corresponds to the first arc-shaped hole in the vertical direction;
the pressing piece is matched with the limiting disc to form a self-locking mechanism for limiting the linkage rod to move along the vertical direction; under the self-locking state, the lower end of the linkage rod is abutted against the upper surface of the limiting disc; and under the non-self-locking state, the lower end of the linkage rod penetrates through the second arc-shaped hole and presses the top of the push rod.
Preferably, the pressing piece is provided with a threaded blind hole with a downward opening; the upper end of the linkage rod is screwed into the threaded blind hole in a matching manner; a first mounting hole and a second mounting hole are formed in the middle of the pressing piece; the first mounting hole is a blind hole with a downward opening, the first mounting hole is positioned above the second mounting hole, the diameter of the second mounting hole is larger than that of the first mounting hole, and the first mounting hole and the second mounting hole are matched to form a stepped hole; the second mounting hole forms an opening on the bottom surface of the pressing piece; a sliding block is arranged in the first mounting hole, and a spring is arranged between the sliding block and the inner wall of the top of the first mounting hole; the upper part of the positioning guide post is inserted into the first mounting hole in a matched manner, and is arranged in a rotating and sliding manner with the inner wall of the first mounting hole; the top of the positioning guide column is abutted against the bottom of the sliding block; the periphery of the positioning guide post is provided with a reset torsion spring which is fixedly arranged in the second mounting hole.
Preferably, the outer peripheral surface of the pressing piece is provided with anti-slip threads, or the outer periphery of the pressing piece is provided with one or more shifting sheets.
Preferably, the middle part of the limiting disc is provided with a blind hole with an upward opening; the bottom of the blind hole is provided with a cross-shaped bulge; the inner peripheral wall of the blind hole is provided with a first annular limiting bulge; the bottom of the positioning guide post is provided with a cross-shaped groove; a second annular limiting bulge is arranged on the periphery of the lower end of the positioning guide post; the inner diameter of the first annular limiting bulge is smaller than that of the blind hole, and the inner diameter of the first annular limiting bulge is the same as the outer diameter of the positioning guide column; the outer diameter of the second annular limiting bulge is the same as the inner diameter of the blind hole; under the state that the locating guide post is inserted into the blind hole in a matching manner: the bottom of the blind hole is tightly pressed by the bottom of the positioning guide column, the cross-shaped bulge is inserted into the cross-shaped groove in a matched mode to form an anti-rotation mechanism, the second annular limiting bulge is located below the first annular limiting bulge, and the second annular limiting bulge and the first annular limiting bulge are tightly pressed to form the positioning mechanism.
Preferably, the connecting cap comprises a pen cap and a sleeve; the sleeve is inserted into the pen holder inner shape fixing structure in a matching manner; the bottom of the sleeve is bonded with the limiting disc or in threaded connection.
Preferably, the pen cap and the sleeve are of an integrated structure.
Preferably, the lower part of the linkage rod is provided with a limiting block; the minimum width dimension of the limiting block is larger than the maximum width dimension of the first arc-shaped hole.
In the utility model, the linkage rod and the push rod form a linkage mechanism, and when the linkage rod presses the push rod downwards each time, the push rod presses the sliding claw sleeve to complete the extending or retracting action of the refill; the upper end of the positioning guide column is connected with the pressing piece in a sliding manner, so that the pressing piece can move in the vertical direction, and meanwhile, the positioning guide column has good positioning and guiding effects on the pressing piece; the lower end of the positioning guide post is fixedly connected with the limiting disc, so that displacement and rotation cannot occur; the connecting cap is provided with a first arc-shaped hole for the linkage rod to pass through, the limiting disc is provided with a second arc-shaped hole for the linkage rod to pass through, and the second arc-shaped hole corresponds to the first arc-shaped hole in the vertical direction, so that the upper end of the linkage rod and the lower end of the pressing piece connecting linkage rod extend into the pen holder;
under the self-locking state, the lower end of the linkage rod is abutted against the upper surface of the limiting disc to form a self-locking mechanism, and at the moment, the pressing piece cannot move in the vertical direction;
and under the non-self-locking state, the pressing piece is rotated, so that the lower end of the linkage rod can penetrate through the second arc-shaped hole, and the pressing piece is pressed downwards to drive the linkage rod to push the push rod, so that the pen core is extended and/or retracted.
In the utility model, in a self-locking state, the lower end of the linkage rod is abutted against the limiting disc to form self-locking, so that the pressing piece is prevented from moving downwards, the mistaken pressing caused by improper use or misoperation of a user is avoided, and the normal use of the ball pen is ensured; meanwhile, the pressing piece can be prevented from being used continuously by a user, loss of parts inside the ball pen is avoided, and when the ball pen falls accidentally, the pressing piece is locked, and the parts inside the ball pen are well protected.
In the utility model, the upper end of the linkage rod is screwed into the threaded blind hole in a matching manner, so that the structure is stable, the linkage rod is not easy to fall off and easy to install, and the normal use of the equipment is ensured. When the linkage rod is used, the pressing piece is rotated until the lower end of the linkage rod is positioned above the second arc-shaped hole, then the pressing piece is moved downwards to drive the linkage rod to push the push rod downwards, the spring is in a compressed state, and the reset torsion spring is in an extrusion state; after the hand is loosened, the pressing piece moves upwards and rotates to an initial position under the action of the spring and the reset torsion spring, and the lower end of the linkage rod abuts against the upper surface of the limiting disc to form self-locking; when the self-locking button is used again, the self-locking state can be released by rotating the pressing piece firstly.
According to the utility model, the upper part of the positioning guide column is inserted into the first mounting hole in a matching manner, so that a good guiding effect is achieved, and the pressing piece can move along the vertical direction; the sliding block supports with the upper portion of location guide post and leans on fixedly, and the spring setting can compress and extend in the space between sliding block and the first mounting hole roof, guarantees the normal work of equipment.
In the utility model, the cross-shaped bulge is inserted into the cross-shaped groove in a matching manner to form an anti-rotation mechanism, and the bottom of the positioning guide column is fixed with the bottom of the blind hole to ensure the normal work of the reset torsion spring so as to complete self-locking; meanwhile, the second annular limiting bulge and the first annular limiting bulge are mutually compressed to form a positioning mechanism, so that the positioning guide column is prevented from moving in the vertical direction, normal use of the equipment is guaranteed, and normal movement of the pressing piece in the vertical direction is guaranteed. Simultaneously, the stopper can avoid the pressing piece to drop, has fine fixed action to the pressing piece, avoids the pressing piece to lose.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic view of the automatic rotating locking device of the ball-point pen according to the present invention.
Fig. 3 is an exploded view of a part of the structure of the automatic rotary locking device for a ball-point pen according to the present invention.
Fig. 4 is a schematic view of a part of the automatic rotary locking device for a ball-point pen according to the present invention.
Fig. 5 is a schematic structural view of a self-locking pressing assembly in the automatic rotary locking device for pressing a ballpoint pen according to the present invention.
Fig. 6 is a schematic structural view of a limiting plate in the automatic rotating and locking device for pressing a ball pen according to the present invention.
Fig. 7 is a schematic view of a connecting structure of a limiting disc and a fixed shaft in the automatic rotary locking device for pressing a ball pen provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 2 to 7, the automatic rotary locking device for a ball-point pen according to the present invention comprises a barrel 1, a nib 2, a cartridge, a push rod, a guide member, a sliding jaw housing and a spring; the push rod, the guide rail component, the sliding claw sleeve, the spring and the pen core are matched with each other to form a linkage mechanism;
the device is characterized by further comprising a pressing piece 3, a connecting cap 4, a linkage rod 5, a positioning guide post 7 and a limiting disc 6;
the connecting cap 4 is arranged at the top of the pen holder 1, a through hole for the positioning guide post 7 to pass through is formed in the middle of the connecting cap 4, and a first arc-shaped hole for the linkage rod 5 to pass through is formed in the connecting cap 4;
the pressing piece 3 is positioned above the connecting cap 4; the upper end of the linkage rod 5 is connected with the pressing piece 3, and the lower end of the linkage rod 5 extends into the penholder 1;
the upper end of the positioning guide post 7 is connected with the pressing piece 3 in a sliding way, and the lower end of the positioning guide post 7 is fixedly connected with the limiting disc 6; the limiting disc 6 is detachably arranged at the bottom of the connecting cap 4; a second arc-shaped hole 64 for the linkage rod 5 to pass through is formed in the limiting disc 6, and the second arc-shaped hole 64 corresponds to the first arc-shaped hole in the vertical direction;
the pressing piece 3 is matched with the limiting disc 6 to form a self-locking mechanism for limiting the linkage rod 5 to move along the vertical direction; under the self-locking state, the lower end of the linkage rod 5 is abutted against the upper surface of the limiting disc 6; under the non-self-locking state, the lower end of the linkage rod 5 penetrates through the second arc-shaped hole 64 and presses the top of the push rod.
In the utility model, the linkage rod 5 and the push rod form a linkage mechanism, and when the linkage rod 5 presses the push rod downwards each time, the push rod presses the sliding claw sleeve to complete the extending or retracting action of the pen core; the upper end of the positioning guide column 7 is connected with the pressing piece 3 in a sliding manner, so that the pressing piece 3 can move in the vertical direction, and meanwhile, the positioning guide column 7 has good positioning and guiding effects on the pressing piece 3; the lower end of the positioning guide post 7 is fixedly connected with the limiting disc 6, so that displacement and rotation cannot occur; a first arc-shaped hole for the linkage rod 5 to pass through is formed in the connecting cap 4, a second arc-shaped hole 64 for the linkage rod 5 to pass through is formed in the limiting disc 6, and the second arc-shaped hole 64 corresponds to the first arc-shaped hole in the vertical direction, so that the upper end of the linkage rod 5 and the lower end of the pressing piece 3, which is connected with the linkage rod 5, extend into the penholder 1;
in a self-locking state, the lower end of the linkage rod 5 abuts against the upper surface of the limiting disc 6 to form a self-locking mechanism, and at the moment, the pressing piece 3 cannot move in the vertical direction;
and under the non-self-locking state, the pressing piece 3 is rotated, so that the lower end of the linkage rod 5 can pass through the second arc-shaped hole 64, and at the moment, the pressing piece 3 is pressed downwards to drive the linkage rod 5 to push the push rod, so that the pen core extending and/or retracting action is completed.
In the utility model, in a self-locking state, the lower end of the linkage rod 5 is abutted against the limiting disc 6 to form self-locking, so that the pressing piece 3 is prevented from moving downwards, the mistaken pressing caused by improper use or misoperation of a user is avoided, and the normal use of the ball pen is ensured; meanwhile, the pressing piece 3 can be prevented from being used by a user unconsciously and continuously, the loss of parts inside the ball pen is avoided, and when the ball pen falls accidentally, the pressing piece 3 is locked and has a good protection effect on the parts inside the ball pen.
In an alternative embodiment, the presser 3 is provided with a threaded blind hole 33 opening downwards; the upper end of the linkage rod 5 is screwed into the threaded blind hole 33 in a matching manner;
a first mounting hole 31 and a second mounting hole 32 are formed in the middle of the pressing piece 3; the first mounting hole 31 is a blind hole with a downward opening, the first mounting hole 31 is positioned above the second mounting hole 32, the diameter of the second mounting hole 32 is larger than that of the first mounting hole 31, and the first mounting hole 31 and the second mounting hole 32 are matched to form a stepped hole; the second mounting hole 32 is opened at the bottom surface of the pressing member 3;
a sliding block 35 is arranged in the first mounting hole 31, and a spring 34 is arranged between the sliding block 35 and the top inner wall of the first mounting hole 31;
the upper part of the positioning guide post 7 is inserted into the first mounting hole 31 in a matching way, and is arranged in a rotating and sliding way with the inner wall of the first mounting hole 31; the top of the positioning guide post 7 abuts against the bottom of the sliding block 35; the positioning guide post 7 is provided with a reset torsion spring 36 at the periphery thereof, and the reset torsion spring 36 is fixedly installed in the second installation hole 32.
In the utility model, the upper end of the linkage rod 5 is screwed into the threaded blind hole 33 in a matching way, so that the structure is stable, the linkage rod is not easy to fall off and easy to install, and the normal use of the equipment is ensured. When the device is used, the pressing piece 3 is rotated until the lower end of the linkage rod 5 is positioned above the second arc-shaped hole 64, and then the pressing piece 3 is moved downwards to drive the linkage rod 5 to push the push rod downwards, at this time, the spring 34 is in a compressed state, and the reset torsion spring 36 is in an extrusion state; after the hands are loosened, the pressing piece 3 moves upwards and rotates to an initial position under the action of the spring 34 and the reset torsion spring 36, and the lower end of the linkage rod 5 abuts against the upper surface of the limiting disc 6 to form self-locking; when the self-locking button is used again, the self-locking state can be released by firstly rotating the pressing piece 3.
In the utility model, the upper part of the positioning guide post 7 is inserted into the first mounting hole 31 in a matching way, so that a good guiding effect is achieved, and the pressing piece 3 can move along the vertical direction; the sliding block 35 is fixed with the upper part of the positioning guide column 7 in an abutting mode, the spring 34 is arranged in the space between the sliding block 35 and the top wall of the first mounting hole 31, and the spring 34 can be compressed and extended to guarantee normal operation of the equipment.
In an alternative embodiment, the pressing piece 3 is provided with an anti-slip thread on the outer circumference, or the pressing piece 3 is provided with one or more poking sheets 37 on the outer circumference. The anti-skid lines and the poking pieces 37 can facilitate the rotation of the pressing piece 3, and the rotation efficiency is improved.
In an optional embodiment, the middle of the limiting disc 6 is provided with a blind hole 61 with an upward opening;
the bottom of the blind hole 61 is provided with a cross-shaped bulge 63; a first annular limiting bulge 62 is arranged on the inner peripheral wall of the blind hole 61;
the bottom of the positioning guide post 7 is provided with a cross-shaped groove; a second annular limiting bulge 70 is arranged on the periphery of the lower end of the positioning guide post 7;
the inner diameter of the first annular limiting bulge 62 is smaller than that of the blind hole 61, and the inner diameter of the first annular limiting bulge 62 is the same as the outer diameter of the positioning guide column 7; the outer diameter of the second annular limiting bulge 70 is the same as the inner diameter of the blind hole 61;
in the state where the positioning guide post 7 is fittingly inserted into the blind hole 61: the bottom of the positioning guide column 7 is tightly pressed against the bottom of the blind hole 61, the cross-shaped bulge 63 is inserted into the cross-shaped groove in a matched mode to form an anti-rotation mechanism, the second annular limiting bulge 70 is located below the first annular limiting bulge 62, and the second annular limiting bulge 70 and the first annular limiting bulge 62 are tightly pressed against each other to form a positioning mechanism.
In the utility model, the cross-shaped bulge 63 is inserted into the cross-shaped groove in a matching manner to form an anti-rotation mechanism, and the bottom of the positioning guide column 7 is fixed with the bottom of the blind hole 61 to ensure the normal work of the reset torsion spring 36 so as to complete self-locking; meanwhile, the second annular limiting bulge 70 and the first annular limiting bulge 62 are mutually compressed to form a positioning mechanism, so that the positioning guide column 7 is prevented from moving in the vertical direction, and normal use of the device, namely normal movement of the pressing piece 3 in the vertical direction, is ensured.
In an alternative embodiment, the connection cap 4 comprises a cap 41 and a sleeve 42; the sleeve 42 is inserted into the inner shape fixing structure of the penholder 1 in a matching way; the bottom of the sleeve 42 is connected with the limiting disc 6 in an adhering or threaded mode.
In an alternative embodiment, the cap 41 and the sleeve 42 are of a unitary construction.
It should be noted that the connecting cap 4 has a simple structure, and is convenient for the installation and the disassembly of the whole equipment.
In an optional embodiment, a limiting block 50 is arranged at the lower part of the linkage rod 5; the minimum width dimension of the limiting block 50 is larger than the maximum width dimension of the first arc-shaped hole.
It should be noted that, stopper 50 can avoid pressing piece 3 to drop, has fine fixed action to pressing piece 3, avoids equipment part to lose, guarantees equipment normal use.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. An automatic rotary locking device for pressing a ball pen comprises a pen holder (1), a pen point (2), a pen core, a push rod, a guide rail component, a sliding claw sleeve and a spring; the push rod, the guide rail component, the sliding claw sleeve, the spring and the pen core are matched with each other to form a linkage mechanism;
the device is characterized by also comprising a pressing piece (3), a connecting cap (4), a linkage rod (5), a positioning guide post (7) and a limiting disc (6);
the connecting cap (4) is arranged at the top of the pen holder (1), a through hole for the positioning guide post (7) to pass through is formed in the middle of the connecting cap (4), and a first arc-shaped hole for the linkage rod (5) to pass through is formed in the connecting cap (4);
the pressing piece (3) is positioned above the connecting cap (4); the upper end of the linkage rod (5) is connected with the pressing piece (3), and the lower end of the linkage rod (5) extends into the penholder (1);
the upper end of the positioning guide post (7) is connected with the pressing piece (3) in a sliding manner, and the lower end of the positioning guide post (7) is fixedly connected with the limiting disc (6); the limiting disc (6) is detachably arranged at the bottom of the connecting cap (4); a second arc-shaped hole (64) for the linkage rod (5) to pass through is formed in the limiting disc (6), and the second arc-shaped hole (64) corresponds to the first arc-shaped hole in the vertical direction;
the pressing piece (3) is matched with the limiting disc (6) to form a self-locking mechanism for limiting the linkage rod (5) to move along the vertical direction; under the self-locking state, the lower end of the linkage rod (5) is abutted against the upper surface of the limiting disc (6); under the non-self-locking state, the lower end of the linkage rod (5) penetrates through the second arc-shaped hole (64) and presses the top of the push rod tightly.
2. The self-rotating locking device for pressing ballpoint pens according to claim 1, characterized in that the pressing member (3) is provided with a threaded blind hole (33) opening downwards; the upper end of the linkage rod (5) is screwed into the threaded blind hole (33) in a matching manner;
a first mounting hole (31) and a second mounting hole (32) are formed in the middle of the pressing piece (3); the first mounting hole (31) is a blind hole with a downward opening, the first mounting hole (31) is positioned above the second mounting hole (32), the diameter of the second mounting hole (32) is larger than that of the first mounting hole (31), and the first mounting hole (31) and the second mounting hole (32) are matched to form a stepped hole; the second mounting hole (32) forms an opening on the bottom surface of the pressing piece (3);
a sliding block (35) is arranged in the first mounting hole (31), and a spring (34) is arranged between the sliding block (35) and the inner wall of the top of the first mounting hole (31);
the upper part of the positioning guide post (7) is inserted into the first mounting hole (31) in a matching way and is arranged in a rotating and sliding way with the inner wall of the first mounting hole (31); the top of the positioning guide column (7) is abutted against the bottom of the sliding block (35); the periphery of the positioning guide post (7) is provided with a reset torsion spring (36), and the reset torsion spring (36) is fixedly installed in the second installation hole (32).
3. The self-rotating locking device for pressing ballpoint pens according to claim 2, characterized in that the outer circumference of the pressing piece (3) is provided with anti-slip threads or the outer circumference of the pressing piece (3) is provided with one or more poking blades (37).
4. The automatic rotary locking device for pressing ball-point pen according to any one of claims 1 to 3, characterized in that the middle of the limiting disk (6) is provided with a blind hole (61) with an upward opening;
the bottom of the blind hole (61) is provided with a cross-shaped bulge (63); a first annular limiting bulge (62) is arranged on the inner peripheral wall of the blind hole (61);
the bottom of the positioning guide post (7) is provided with a cross-shaped groove; a second annular limiting bulge (70) is arranged on the periphery of the lower end of the positioning guide column (7);
the inner diameter of the first annular limiting bulge (62) is smaller than that of the blind hole (61), and the inner diameter of the first annular limiting bulge (62) is the same as the outer diameter of the positioning guide column (7); the outer diameter of the second annular limiting bulge (70) is the same as the inner diameter of the blind hole (61);
under the state that the positioning guide post (7) is inserted into the blind hole (61) in a matching way: the bottom of the positioning guide column (7) is tightly pressed against the bottom of the blind hole (61), the cross-shaped bulge (63) is inserted into the cross-shaped groove in a matched mode to form an anti-rotation mechanism, the second annular limiting bulge (70) is located below the first annular limiting bulge (62), and the second annular limiting bulge (70) and the first annular limiting bulge (62) are tightly pressed against each other to form a positioning mechanism.
5. The self-rotating locking device of a pressed ballpoint pen according to claim 1, characterized in that the connecting cap (4) comprises a cap (41) and a sleeve (42); the sleeve (42) is inserted into the inner shape fixing structure of the pen holder (1) in a matching way; the bottom of the sleeve (42) is bonded with the limiting disc (6) or in threaded connection.
6. The self-rotating locking device for pressed ballpoint pens according to claim 5, characterized in that the cap (41) and the sleeve (42) are of one-piece construction.
7. The automatic rotary locking device for pressing ball-point pens according to claim 1 is characterized in that the lower part of the linkage rod (5) is provided with a limiting block (50); the minimum width dimension of the limiting block (50) is larger than the maximum width dimension of the first arc-shaped hole.
CN202122560837.XU 2021-10-22 2021-10-22 Automatic rotating locking device for pressing ball pen Active CN216443355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122560837.XU CN216443355U (en) 2021-10-22 2021-10-22 Automatic rotating locking device for pressing ball pen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122560837.XU CN216443355U (en) 2021-10-22 2021-10-22 Automatic rotating locking device for pressing ball pen

Publications (1)

Publication Number Publication Date
CN216443355U true CN216443355U (en) 2022-05-06

Family

ID=81348964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122560837.XU Active CN216443355U (en) 2021-10-22 2021-10-22 Automatic rotating locking device for pressing ball pen

Country Status (1)

Country Link
CN (1) CN216443355U (en)

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