CN214928483U

CN214928483U - Pressing pen

Info

Publication number: CN214928483U
Application number: CN202120233934.5U
Authority: CN
Inventors: 俞康康; 卢荣昊
Original assignee: Deli Group Co Ltd
Current assignee: Ningbo Deli Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-30
Anticipated expiration: 2031-01-27

Abstract

A pressing pen comprises a pen holder, a pressing piece sleeved in the pen holder and a clamping piece fixedly connected on the outer side wall of the pen holder; the pen holder is provided with a first groove corresponding to the position of the clamping piece, the pressing piece is provided with a circumferential rotatable piece, the rotatable piece is provided with a salient point, and the salient point extends out of the pen holder from the first groove; the pen holder is characterized in that a convex block is arranged at a position, close to the first groove, of the clamping piece, the outer contour of the convex block is smaller than the inner contour of the first groove, the convex block extends to be interfered with the convex block, the first groove and the convex block mutually form a track for the convex block to move, and the track is provided with a point for controlling the pen core to retract and extend out of the pen holder. The utility model has the advantages of no sound, no noise and automatic pressing.

Description

Pressing pen

Technical Field

The application relates to the technical field of stationery pens, in particular to a pressing pen.

Background

The existing office supplies, particularly pens, are one of indispensable stationery all the time, and with the continuous enhancement of requirements on convenience and easiness in operation of the pens, avoidance of impact and collision on pen cores and the like, the automatically-pressed pens (including ball-point pens, pencils and the like) are more and more common in structure and are more and more frequently used; the general structure of the automatic pressing pen comprises a pen holder, a pen core, a pressing structure and a spring, wherein the spring is sleeved on the end, close to the pen core, of the pen core, one end of the spring is abutted against the other end of the spring by the peripheral wall of the pen core, the pressing structure generally comprises a pressing piece, a rotating wheel and a connecting rod, the lower end of the pressing piece is provided with a circle of gear structure, the corresponding rotating wheel is provided with rotating teeth, the gear structure presses the rotating teeth under the pressing of the pressing piece and enables the rotating teeth to rotate circumferentially, a toothed track is arranged on the inner side wall (the connecting rod can be the pen holder or a structure integrated with the pen holder), the rotating teeth slide in the toothed track, the rotating teeth and the gear structure at the lower end of the pressing piece are impacted under the elastic force of the spring in the pressing process, the sound can be generated, and particularly under the quiet environment, the use experience of surrounding people or the user can be greatly influenced by the sound, reducing the comfort of the use environment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not sounding can not realize the noiseless effect and can also realize the pressing pen utensil of automatic pressing effect to prior art's the aforesaid not enough.

In order to solve the technical problem, the technical scheme adopted by the application is as follows: a pressing pen comprises a pen holder, a pressing piece sleeved in the pen holder and a clamping piece fixedly connected on the outer side wall of the pen holder; the pen holder is provided with a first groove corresponding to the position of the clamping piece, the pressing piece is provided with a circumferential rotatable piece, the circumferential rotatable piece is provided with a convex point, and the convex point extends out of the pen holder from the first groove; the pen holder is characterized in that a convex block is arranged at a position, close to the first groove, of the clamping piece, the outer contour of the convex block is smaller than the inner contour of the first groove, the convex block extends to be interfered with the convex block, the first groove and the convex block mutually form a track for the convex block to move, and the track is provided with a point for controlling the pen core to retract and extend out of the pen holder.

By adopting the structure, the clamping piece (pen clip) is simply arranged on the outer side of the pen holder, the convex block arranged on the clamping piece and the first groove arranged on the pen holder form a track for the convex point of the pressing piece to run together, thereby realizing the positioning and stopping of the salient points at different positions in the track in the pressing process to realize the retraction and extension operations of the pen core, because the pressing action is realized among different points of the track through the salient points, complex structures such as a rotating wheel, a gear structure, a tooth-shaped track and the like do not need to be arranged, and the impact action of the rotating teeth of the rotating wheel and the gear structure of the pressing piece, which is generated by the elastic force of the spring, can not occur, but the retraction and extension of the pen core are realized by the sliding of the salient points in the track, thereby realizing the purposes of noise reduction and noise reduction, even the automatic pen tool is pressed in a quiet environment, the use experience of surrounding people or the user can not be influenced, and the comfort level of the use environment is improved.

Preferably, the track on which the bumps run comprises a first track, a second track and a third track, the first track, the second track and the third track are sequentially connected to form a circular track of the bumps, and the starting point of the first track is the original point of the bumps; the second track is provided with a high position point, a first low position point and a second low position point, the high position point is higher than the first low position point and the second low position point and lower than the original position point, the first low position point and the second low position point are respectively arranged on the left side and the right side of the high position point, the starting point of the third track and the second low position point are on the same straight line along the axial direction of the penholder, and the terminal point of the third track is superposed with the original position point of the salient point; by adopting the structure, when the pressing piece is pressed downwards, the salient point can be separated from the original position point, the salient point can move downwards along the first track to the first low position point of the second track, the pressing piece is loosened, the salient point can move upwards under the action of the resilience force of the spring, the salient point can be stopped by the position point after the salient point rises to the high position point along the second track, and the pen core can be extended out of the pen holder for writing; then press the pressing piece again, drive the bump and move to the second low position point downwards, unclamp pressing piece, bump rise to the primitive position point and resume original state under the effect of spring resilience force along the third track, the refill retracts to the pen-holder at this moment, the above-mentioned action just can accomplish whole refill and stretch out and retract the action, the bump slides in the track completely, does not bump, can not make a sound.

Preferably, the original position is not on the same straight line with the first low position along the axial direction of the penholder, the original position is located on the left side of the first low position, a bump is arranged above the first low position, and the leftmost end of the bump is located on the left side of the first low position; by adopting the structure, in the operation process of the convex points, when the first low position is reached, the pressing is released, and the convex points can automatically operate to the high position under the action of the resilience force of the spring to realize the stopping under the shielding of the convex blocks.

Further preferably, a first vertical portion and a first inclined portion are arranged between the first low point and the second low point, the first vertical portion extends from the first low point to the high point, and the first inclined portion extends from the upper vertex of the first vertical portion to the lower right; with the structure, the salient point can run along the first vertical part towards the high point from the first low point, and when the salient point is pressed and separated again after reaching the high point, the salient point can run along the first inclined part towards the second low point.

Preferably, a second vertical part is arranged on the right side of the second low point, the second vertical part is connected with the original point through a second inclined part, and the length of the second vertical part is greater than that of the first vertical part; with this structure, the bump can be guided to run upward from the second low point along the second vertical portion and then to the origin point along the second inclined portion, achieving a complete cycle.

Further preferably, the lower end of the bump is provided with a third inclined part and a fourth inclined part, the third inclined part and the fourth inclined part are both raised towards the middle to form a high point, the upper end of the bump is provided with a fifth inclined part and a sixth inclined part, and the fifth inclined part and the sixth inclined part are both raised towards the middle to form a tip of the bump; by adopting the lug structure, the lug can be fully matched with the first groove on the penholder to form a specific track shape, and the lug is guided to slide in the specific track shape, so that the retraction and extension actions of the pen core are realized.

Preferably, the pressing piece comprises a pressing piece body, a second groove is formed in the pressing piece body, the second groove is formed along the circumferential direction of the pressing piece body, and the rotatable piece is clamped and sleeved in the second groove and can rotate along the circumferential direction of the pressing piece body; by adopting the structure, the assembly is simple, the processing is convenient, only the rotatable part needs to be arranged on the outer contour of the second groove, and in the pressing process, the salient points can drive the rotatable part to generate circumferential and axial actions at different points in the track to realize the retraction and extension of the pen core.

Preferably, the rotatable part comprises an arc-shaped body with a notch, the inner contour of the arc-shaped body is matched with the outer contour of the second groove, and the salient point is arranged on the arc-shaped body and protrudes out of the arc-shaped body in the radial direction; by adopting the structure, the notch is convenient for the rotatable part to reasonably deform and realize the nesting and clamping combination with the second groove, so that the installation is convenient, the circumferential rotation of the rotatable part is not hindered, the smooth movement of the salient point in the track is realized, and the sound is not generated; the salient points radially protrude out of the arc-shaped body, so that destructive force cannot be caused to the arc-shaped body in the operation process, and the retraction and extension of the pen core are driven more smoothly.

Preferably, the salient point is positioned at one end of the arc-shaped body close to the notch; by adopting the structure, the salient points slide in the track to operate, the circumferential rotation angle of the rotatable part can be reduced as much as possible, so that the acting force on the arc-shaped body is reduced, and the firmness of the connection between the salient points and the arc-shaped body is ensured.

Preferably, the clamping piece fixedly connected to the outer side wall of the penholder is specifically as follows: the outer side wall of the pen holder is provided with an installation block, the installation block is provided with an installation shaft, the clamping piece is provided with an installation hole, the installation hole is sleeved in the installation shaft, and an elastic piece for keeping the clamping piece abutted against the pen holder is arranged between the clamping piece and the installation block; by adopting the structure, the clamping piece is connected with the pen holder, the abutting force between the clamping piece and the pen holder is kept, a specific track structure is always kept between the convex block on the inner side of the clamping piece and the first groove on the pen holder, and the convex points are convenient to operate.

Preferably, the clamping piece fixedly connected to the outer side wall of the penholder is specifically as follows: the clamping piece and the pen holder are integrally formed by injection molding, and the clamping piece and the pen holder are mutually abutted; namely, the two parts are directly injected and integrated, and can also be kept against each other.

Drawings

Fig. 1 is a schematic structural diagram of a pen pressing tool according to the present application.

Fig. 2 is a schematic view of an assembly diagram of the pen pressing tool of the present application.

Fig. 3 is a schematic structural view of a barrel according to the present application (a partially enlarged view of a first groove).

Fig. 4 is a schematic structural diagram of a state in which the barrel and the projection are used together (a partially enlarged view of the first groove and the projection).

FIG. 5 is a schematic view of the structure of the press member of the present application.

FIG. 6 is a schematic view of a rotatable member of the present application.

Fig. 7 is a schematic view of the structure of the clip of the present application.

As shown in the attached drawings: 1. the pen comprises a pen holder, 1.1.1.1.1.11.1.1.12.1.13.13.13.1.14.14.1.2.1.3.1.3.3.3.3.3.2.2.2.2.2.2.2.2.2.2.2.3.3.3.3.3.1.1.3.3.3.3.3.3.13.13.3.3.3.3.2.3.2.4.4.4.1.4.1.4.2.3.3.3.5.5.1.5.1.11.5.11. origin point, 5.2.2.5.21.21. high point, 5.22.23.23.5.3.6.6.6.6.23.5.3.5.3.6.6.6.3.6.6.6.6.3.3.3.3.3.3.3.6.6.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.6.1.1.6.3.2.3.3.1.1.1.1.1.1.1.1.1.1.1.1.1.3.3.3.3.1.1.3.3.3.3.3.3.3.3.6.1.1 parts of a refill.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only preferred embodiments, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention;

further, it is to be noted that: when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by way of the intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The directions and the position relations described in the following embodiments of the present application are based on the direction of the pen when the pen is pressed.

As shown in fig. 1-3, 4, 6-7, the pressing pen of the present application comprises a pen holder 1, a pressing element 2 sleeved in the pen holder, and a clamping element 3 fixed on the outer side wall of the pen holder; a first groove 1.1 is formed in the position, corresponding to the clamping piece, of the pen holder, a circumferential rotatable piece 4 is arranged on the pressing piece 2, a salient point 4.1 is arranged on the circumferential rotatable piece 4, and the salient point 4.1 extends out of the pen holder 1 from the first groove 1.1; the clamping piece 3 is provided with a convex block 3.1 near the first groove, the outer contour of the convex block 3.1 is smaller than the inner contour of the first groove 1.1, the convex point 4.1 extends to interfere with the convex block 3.1 (namely the length of the convex point extends to the position contacted with the convex block), the first groove 1.1 and the convex block 3.1 mutually form a track 5 for the convex point 4.1 to run, and the track has a point for controlling the pen core to retract and extend out of the pen holder; as shown in fig. 2, the first groove is formed through the wall thickness of the barrel so that the protrusion can protrude.

As shown in fig. 3, 4 and 7, the track on which the bump 4.1 runs includes a first track 5.1, a second track 5.2 and a third track 5.3, the first track 5.1, the second track 5.2 and the third track 5.3 are connected in sequence to form a circular track of the bump, and the starting point of the first track 5.1 is the original position 5.11 of the bump; the second track 5.2 is provided with a high point 5.21, a first low point 5.22 and a second low point 5.23, the high point 5.21 is higher than the first low point 5.22 and the second low point 5.23 and lower than the original point 5.11, the first low point 5.22 and the second low point 5.23 are respectively arranged at the left side and the right side of the high point 5.21 (namely the first low point 5.22 and the second low point 5.23 are lower than the high point, and the axial direction is not in the same straight line with the high point but respectively arranged at the left side and the right side of the high point), the starting point of the third track 5.3 and the second low point 5.23 are in the same straight line along the axial direction of the pen holder, and the terminal point of the third track 5.3 is coincided with the original point 5.11 of the salient point 4.1; by adopting the structure, when the pressing piece 2 is pressed downwards, the salient point 4.1 is separated from the original position 5.11, moves downwards along the first track 5.1 to the first low position 5.22 of the second track 5.2, the pressing piece 2 is loosened, the salient point 4.1 moves upwards under the action of the resilience force of the spring, and rises to the high position 5.21 along the second track 5.2 to be stopped by the position, and the pen core can be extended out of the pen holder to write at the moment; then the pressing piece 2 is pressed again, the salient point 4.1 is driven to move downwards to a second low point, 5.23 the pressing piece 2 is loosened, the salient point rises to an original point 5.11 along a third track 5.3 under the action of spring resilience force so as to recover the original state, the pen core retracts into the pen holder, the whole pen core extending and retracting action can be completed through the actions, the salient point slides in the track completely, no impact is generated, and no sound is generated.

As shown in fig. 4, the origin point 5.11 is not aligned with the first low point 5.22 along the axial direction of the barrel 1, and the origin point 5.11 is located at the left side of the first low point 5.22 (i.e. not aligned with the axial direction, and is offset from the left side of the first low point), a projection 3.1 is disposed above the first low point 5.22 (when the holder is in use, the projection and the first groove form a complete track structure in which the projection runs in a convex manner, and the projection and the first groove are in positional relationship in the track structure), and the leftmost end of the projection is located at the left side of the first low point; by adopting the structure, in the operation process of the convex points, when the first low position is reached, the pressing is released, and the convex points can automatically operate to the high position under the action of the resilience force of the spring to realize the stopping under the shielding of the convex blocks.

As shown in fig. 3-4, a first vertical portion 1.11 and a first inclined portion 1.12 are disposed between the first low point 5.22 and the second low point 5.23, the first vertical portion 1.11 extends from the first low point 5.22 to the high point 5.11, and the first inclined portion 1.12 extends from the upper vertex of the first vertical portion 1.11 to the lower right; with this configuration, the bump 4.1 can travel from the first low point 5.22 toward the high point 5.11 along the first vertical portion, and when pressed away again after reaching the high point 5.11, the bump travels toward the second low point 5.23 along the first inclined portion 1.12.

As shown in fig. 3-4, the second low point 5.23 is provided with a second vertical portion 1.13 at the right side, the second vertical portion 1.13 is connected with the original point 5.11 through a second inclined portion 1.14 (the second inclined portion is inclined from bottom to top towards the left side to achieve connection with the original point 5.11), and the length of the second vertical portion 1.13 is greater than that of the first vertical portion 1.11; with this structure, the bump can be guided to run upward from the second low point along the second vertical portion and then to the origin point along the second inclined portion, achieving a complete cycle.

As shown in fig. 4 and 7, the lower end of the bump 3.1 is provided with a third inclined part 3.11 and a fourth inclined part 3.12, the third inclined part 3.11 and the fourth inclined part 3.12 are raised towards the middle to form a high point 5.21, the upper end of the bump 3.1 is provided with a fifth inclined part 3.13 and a sixth inclined part 3.14, and the fifth inclined part 3.13 and the sixth inclined part 3.14 are raised towards the middle to form a tip of the bump 3.1; the convex block structure is a tip structure with the bottom end and the upper end protruding towards the middle, and then the convex block structure is combined with the outline of the first groove on the outer side to form a track for the convex point to run, so that the convex point can be guided to stop at different positions, the circular action of the convex point can be realized under the action of automatic guidance, a specific track shape is formed, the convex block is guided to slide in the track, and the retraction and extension actions of the pen core are realized.

As shown in fig. 2 and 5-6, the pressing element 2 of the present application includes a pressing element body 2.1, the pressing element body is provided with a second groove 2.2, the second groove 2.2 is formed along a circumferential direction of the pressing element body 2.1 (i.e., an annular groove formed by radially inwardly recessing a circle around the pressing element body), and the rotatable element 4 is engaged in the second groove and can rotate along the circumferential direction of the pressing element body; more specifically, as can be seen from fig. 2 and 5-6, the outer diameter of the upper portion of the pressing piece body 2.1 of the present embodiment is smaller than the outer diameter of the lower portion, so as to be inserted from the open end of the lower portion of the pen holder and led out from the open end of the upper portion of the pen holder, thereby facilitating pressing, and meanwhile, a position of large outer diameter and the inner side wall of the pen holder form a limit to prevent the pressing piece from running out; the lower end of the pressing piece is provided with an axial recess for facilitating the insertion of the refill 6, and the refill 6 shown in the attached drawing 2 is inserted and abutted to form a linked whole with a spring at the lower part, so that the operation of the salient points is facilitated. By adopting the structure, the assembly is simple, the processing is convenient, only the rotatable part needs to be arranged on the outer contour of the second groove, and in the pressing process, the salient points can drive the rotatable part to generate circumferential and axial actions at different points in the track to realize the retraction and extension of the pen core.

As shown in fig. 5-6, the rotatable member 4 of the present application includes an arc-shaped body 4.3 having a notch 4.2, an inner contour of the arc-shaped body 4.3 matches with an outer contour of the second groove 2.2, and the salient point 4.1 is disposed on the arc-shaped body 4.3 and protrudes radially from the arc-shaped body; by adopting the structure, the notch 4.2 is convenient for the rotatable part to reasonably deform and realize the nesting and clamping combination with the second groove 2.2, so that the installation is convenient, the circumferential rotation of the rotatable part is not hindered, the smooth movement of the salient point in the track is realized, and the sound is not generated; the salient points radially protrude out of the arc-shaped body, so that destructive force cannot be caused to the arc-shaped body in the operation process, and the retraction and extension of the pen core are driven more smoothly.

As shown in fig. 6, the salient point 4.1 is located at one end of the arc-shaped body 4.3 close to the notch (i.e. the salient point is close to the end of one side rather than located in the middle of the arc-shaped body); by adopting the structure, the salient point 4.1 slides in the track to operate, the circumferential rotation angle of the rotatable part 4 is reduced as much as possible, so that the acting force on the arc-shaped body 4.3 is reduced, and the firmness of connection between the salient point 4.1 and the arc-shaped body 4.3 is ensured.

As shown in fig. 2, the clamping member fixed on the outer side wall of the pen holder is specifically: the outer side wall of the pen holder 1 is provided with an installation block 1.2, the installation block is provided with an installation shaft 1.3 (two installation holes are arranged, one is arranged at each of the left side and the right side), the clamping piece 3 is provided with installation holes 3.2 (specifically, two installation holes are arranged to be matched with the installation shaft), the installation holes are sleeved in the installation shaft (fixed between the clamping piece and the pen holder by the deformation force of the clamping piece), and an elastic piece for keeping the clamping piece and the pen holder against each other is arranged between the clamping piece and the installation block (the elastic piece can be a torsion spring or other structures capable of realizing the tight contact between the clamping piece and the pen holder, and the specific structure of the elastic piece is not shown in the figure); by adopting the structure, the clamping piece is connected with the pen holder, the abutting force between the clamping piece and the pen holder is kept, a specific track structure is always kept between the convex block on the inner side of the clamping piece and the first groove on the pen holder, and the convex points are convenient to operate. Or this application concretize the holder on the pen-holder lateral wall specifically do: the clamping piece 3 and the penholder 1 are integrally formed by injection molding, and the clamping piece and the penholder are mutually abutted; namely, the two parts are directly injected and integrated, and can also be kept against each other.

The application processes a first groove on the penholder, processes a second groove on the pressing piece to be sleeved with a rotatable piece, then forms a track for the salient point to run between the first groove and the lug arranged on the clamping piece, the refill and the spring (the specific structural diagram of the spring is not shown, namely the spring of the automatic pen in the conventional industry is arranged, generally, the spring is positioned at the writing end of the refill, one end of the spring is abutted against the outer diameter of the refill, the other end of the spring is abutted against the inner wall of the end head of the pen holder, the refill is always abutted against, and the elastic action on the pressing piece is realized when the pressing piece moves up and down) generate acting force on the pressing piece, so that the salient points are driven to slide in the track, therefore, retraction and extension actions of the pen core are realized, the whole structure has no mutually impacted parts, the salient points only slide in the track, no sound is output, and the silent effect is realized; and more importantly, the structure of the pen holder is simple, complex installation steps and complex structure manufacturing are not needed, the matching between the simple clamping piece and the pen holder can be completed, the assembly process is that the pressing piece 2 is firstly installed from the lower opening of the pen holder, then the second groove position of the pressing piece is corresponding to the first groove 1.1, then the rotatable piece 4 is clamped and sleeved at the second groove 2.2, the rotatable piece 4 is rotated to lead the salient point 4.1 to the original position 5.11, then the clamping piece is fixed on the penholder (the height and the width of the first groove 1.1 are required to allow the dimension requirement that the rotatable piece 4 can be arranged in the second groove 2.2 in the above assembling mode of the application, and the detachable assembling mode between the clamping piece and the penholder is preferred in the above mode), the assembly is simple and convenient, and the above purposes and effects of the application are achieved.

Claims

1. A push pen, characterized in that: the pen comprises a pen holder (1), a pressing piece (2) sleeved in the pen holder (1), and a clamping piece (3) fixedly connected on the outer side wall of the pen holder (1); a first groove (1.1) is formed in the position, corresponding to the clamping piece, of the pen holder (1), a circumferential rotatable piece (4) is arranged on the pressing piece (2), a salient point (4.1) is arranged on the rotatable piece (4), and the salient point (4.1) extends out of the pen holder (1) from the first groove (1.1); the pen holder is characterized in that a convex block (3.1) is arranged at a position, close to a first groove (1.1), of the clamping piece (3), the outer contour of the convex block (3.1) is smaller than the inner contour of the first groove (1.1), the convex point (4.1) extends to interfere with the convex block (3.1), the first groove (1.1) and the convex block (3.1) mutually form a track (5) for the convex point to move, and the track (5) has a point for controlling the pen core (6) to retract and extend out of the pen holder (1).

2. The push pen of claim 1, wherein: the track (5) for the bump (4.1) to run comprises a first track (5.1), a second track (5.2) and a third track (5.3), the first track (5.1), the second track (5.2) and the third track (5.3) are sequentially connected to form a circulating track of the bump (4.1), and the starting point of the first track (5.1) is the original position (5.11) of the bump (4.1); the second track (5.2) is provided with a high point (5.21), a first low point (5.22) and a second low point (5.23), the high point (5.21) is higher than the first low point (5.22) and the second low point (5.23) and lower than the original point (5.11), the first low point (5.22) and the second low point (5.23) are respectively arranged on the left side and the right side of the high point (5.21), the starting point of the third track (5.3) and the second low point (5.23) are on the same straight line along the axial direction of the penholder (1), and the ending point of the third track (5.3) is coincided with the original point (5.11) of the salient point (4.1).

3. The push pen of claim 2, wherein: the original point (5.11) is not on the same straight line with the first low point (5.22) along the axial direction of the penholder (1), the original point (5.11) is positioned on the left side of the first low point (5.22), a bump (3.1) is arranged above the first low point (5.22), and the leftmost end of the bump (3.1) is positioned on the left side of the first low point (5.22).

4. The push pen of claim 3, wherein: a first vertical part (1.11) and a first inclined part (1.12) are arranged between the first low point (5.22) and the second low point (5.23), the first vertical part (1.11) extends from the first low point (5.22) to the high point (5.11), and the first inclined part (1.12) extends from the upper vertex of the first vertical part (1.11) to the lower right.

5. The push pen of claim 3, wherein: the right side of the second low point (5.23) is provided with a second vertical part (1.13), the second vertical part (1.13) is connected with the original point (5.11) through a second inclined part (1.14), and the length of the second vertical part (1.13) is greater than that of the first vertical part (1.11).

6. The push pen of claim 3, wherein: the lower extreme of lug (3.1) be provided with third rake (3.11) and fourth rake (3.12), and third rake (3.11) and fourth rake (3.12) all form the high point towards the middle uplift, the upper end of lug (3.1) be provided with fifth rake (3.13) and sixth rake (3.14), and fifth rake (3.13) and sixth rake (3.14) all form the pointed end of lug towards the middle uplift.

7. The push pen of claim 1, wherein: the pressing piece (2) comprises a pressing piece body (2.1), a second groove (2.2) is formed in the pressing piece body (2.1), the second groove (2.2) is formed in the circumferential direction of the pressing piece body (2.1), and the rotatable piece (4) is clamped and sleeved in the second groove (2.2) and can rotate in the circumferential direction of the pressing piece body (2.1).

8. The push pen of claim 1, wherein: the rotatable part (4) comprises an arc-shaped body (4.3) with a notch (4.2), the inner contour of the arc-shaped body (4.3) is matched with the outer contour of the second groove (2.2), and the salient points (4.1) are arranged on the arc-shaped body (4.3) and protrude out of the arc-shaped body (4.3) in the radial direction.

9. The push pen of claim 8, wherein: the salient point (4.1) is positioned at one end of the arc-shaped body (4.3) close to the notch (4.2).

10. The push pen of claim 1, wherein: the clamping piece fixedly connected to the outer side wall of the penholder specifically comprises: the utility model discloses a pen holder, including pen-holder (1) lateral wall, installation piece (1.2) are provided with on the lateral wall, the installation piece on be provided with installation axle (1.3) holder (3) on be provided with mounting hole (3.2), mounting hole (3.2) cover locate in installation axle (1.3), and be provided with between holder (3) and installation piece (1.2) and keep holder (3) and pen-holder (1) to support the elastic component who leans on.

11. The push pen of claim 1, wherein: the clamping piece fixedly connected to the outer side wall of the penholder specifically comprises: the clamping piece (3) and the pen holder (1) are integrally formed by injection molding, and the clamping piece (3) and the pen holder (1) are mutually abutted.