Pressing structure for pressing type pen

Abstract

The pressing structure comprises a pressing cap, a pressing wheel, a rotating wheel, a pen clamping seat and a spring, the top end of the pressing wheel is sleeved with the pressing cap, the top end of the rotating wheel is slidably sleeved with the bottom end of the pressing wheel, and the pressing cap, the rotating wheel, the pen clamping seat and the spring are coaxially arranged; the rotating wheel is arranged in the pen clip seat, the bottom end of the press cap is located in the pen clip seat, the top end of the press cap extends out of the pen clip seat, and the spring is used for driving the press cap to reset after pressing the press cap. The utility model belongs to the technical field of pressing pens, and aims to solve the problem that in the prior art, a pressing cap can move randomly after a core is pressed out. The pressing structure has the advantages that the novel pressing structure is provided, after the pressing cap is pressed out of the core, the pressing cap can be restored to the original position and kept under the action of the spring, and the situation that the pressing cap moves freely within the pressing range in the using process can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of push pens, and particularly relates to a push structure for a push pen. Background Art

[0002] For existing push pens, such as ballpoint pens, their push structures are composed of a push cap, a push wheel and a rotating wheel. When pressing, the push cap moves downward synchronously with the rotating wheel and the push wheel. After the core is ejected when the pressing is completed, the push cap is movable within a certain range, and the push cap can move randomly within its moving space, which will cause abnormal noises. Therefore, it is necessary to design a new push structure to solve the above technical problems. Summary of the Utility Model

[0003] To this end, the utility model provides a push structure for a push pen to solve the above problems in the prior art.

[0004] In order to achieve the above object, the utility model provides the following technical solutions:

[0005] According to the first aspect of the utility model, a push structure for a push pen includes a push cap, a push wheel, a rotating wheel, a pen clip seat and a spring. The push cap is sleeved on the top end of the push wheel, the bottom end of the push wheel is slidably sleeved on the top end of the rotating wheel, and the push cap, the rotating wheel, the pen clip seat and the spring are coaxially arranged;

[0006] The rotating wheel is arranged in the pen clip seat, the bottom end of the push cap is located in the pen clip seat, the top end of the push cap extends outside the pen clip seat, and the spring is used to drive the push cap to reset after pressing the push cap.

[0007] Further, the spring is sleeved outside the push wheel, and an annular boss is provided on the inner wall of the pen clip seat. The top end of the spring abuts against the push cap, and the bottom end of the spring abuts against the annular boss.

[0008] Further, the spring is axially arranged in the push wheel along the push wheel, the top end of the spring abuts against the inner wall of the push wheel, and the bottom end of the spring abuts against the rotating wheel.

[0009] Further, an annular retaining ring is provided in the push cap, and an annular flange is provided on the outer side wall of the push wheel. The annular retaining ring is used to block the annular flange to prevent relative movement between the push wheel and the push cap, resulting in unsmooth pressing.

[0010] The utility model has the following advantages: A new push structure is provided, which enables the push cap to return to its original position and stay in place under the action of the spring after the core is ejected by pressing, and can avoid random movement of the push cap within the pressing range during use. Brief Description of the Drawings

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are merely exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained by extending based on the provided drawings.

[0012] The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions under which the present invention can be implemented. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention.

[0013] Figure 1 It is a line drawing of a pressing structure for a pressing pen provided in some embodiments of the present invention (the spring is arranged outside the pressing wheel).

[0014] Figure 2 It is a cross-sectional view of a pressing structure for a pressing pen provided in some embodiments of the present invention (the spring is arranged outside the pressing wheel).

[0015] Figure 3 It is an exploded view of a pressing structure for a pressing pen provided in some embodiments of the present invention (the spring is arranged outside the pressing wheel).

[0016] Figure 4 It is a line drawing of another pressing structure for a pressing pen provided in some embodiments of the present invention (the spring is arranged inside the pressing wheel).

[0017] Figure 5 It is a cross-sectional view of another pressing structure for a pressing pen provided in some embodiments of the present invention (the spring is arranged inside the pressing wheel).

[0018] Figure 6 It is an exploded view of another pressing structure for a pressing pen provided in some embodiments of the present invention (the spring is arranged inside the pressing wheel).

[0019] Figure 7 It is a schematic structural diagram of a pressing gel pen provided in some embodiments of the present invention.

[0020] Figure 8 For Figure 7 The B-B cross-sectional view of

[0021] In the figure: 1. Pressing cap, 2. Pressing wheel, 3. Rotating wheel, 4. Spring, 5. Pen clip seat. Detailed implementation mode

[0022] The following specific embodiments illustrate the implementation mode of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope protected by the present utility model.

[0023] Embodiment 1

[0024] As Figures 1 to 3 shown, a pressing structure for a pressing pen in the first aspect embodiment of the present utility model includes a pressing cap 1, a pressing wheel 2, a rotating wheel 3, a pen clip seat 5 and a spring 4. The pressing cap 1 is sleeved on the top end of the pressing wheel 2, the bottom end of the pressing wheel 2 is slidably sleeved on the top end of the rotating wheel 3, and the pressing cap 1, the rotating wheel 3, the pen clip seat 5 and the spring 4 are coaxially arranged;

[0025] The rotating wheel 3 is arranged in the pen clip seat 5, the bottom end of the pressing cap 1 is located in the pen clip seat 5, and the top end of the pressing cap 1 extends outside the pen clip seat 5;

[0026] The spring 4 is sleeved outside the pressing wheel 2. An annular boss is provided on the inner wall of the pen clip seat 5. The top end of the spring 4 abuts against the pressing cap 1, and the bottom end of the spring 4 abuts against the annular boss. Both ends of the spring 4 act on the pressing cap 1 and the pen clip seat 5 respectively. In the initial state, the spring does not reach the maximum deformation amount. During the use process, when the pressing cap 1 is pressed downward until the lead comes out, the spring 4 is compressed. After the lead comes out, the spring 4 rebounds under its own elastic force and drives the pressing cap 1 to move upward to return to its original position and stay. Under the action of the spring 4, the pressing cap 1 will not move randomly within the pressing range.

[0027] An annular retaining ring is provided in the pressing cap 1, and an annular flange is provided on the outer side wall of the pressing wheel 2. The annular retaining ring is used to catch the annular flange to prevent relative movement between the pressing wheel and the pressing cap, resulting in unsmooth pressing; during the use process, the top end of the pressing wheel 2 is inserted into the pressing cap 1.

[0028] The technical effect achieved by this embodiment is: a new pressing structure (the spring is arranged outside the pressing wheel) is provided, so that after the pressing cap 1 presses out the lead, the pressing cap 1 can return to its original position and stay under the action of the spring 4, and the pressing cap 1 can be prevented from moving randomly within the pressing range during the use process.

[0029] Embodiment 2

[0030] As Figures 4 to 6As shown in the figure, another pressing structure for a pressing pen provided in this embodiment includes a pressing cap 1, a pressing wheel 2, a rotating wheel 3, a pen clip seat 5, and a spring 4. The pressing cap 1 is sleeved on the top end of the pressing wheel 2. The bottom end of the pressing wheel 2 is slidably sleeved on the top end of the rotating wheel 3. The pressing cap 1, the rotating wheel 3, the pen clip seat 5, and the spring 4 are coaxially arranged.

[0031] The rotating wheel 3 is arranged in the pen clip seat 5. The bottom end of the pressing cap 1 is located in the pen clip seat 5, and the top end of the pressing cap 1 extends outside the pen clip seat 5.

[0032] The spring 4 is axially arranged in the pressing wheel 2 along the axis of the pressing wheel 2. The top end of the spring 4 abuts against the inner wall of the pressing wheel 2, and the bottom end of the spring 4 abuts against the rotating wheel 3. Both ends of the spring 4 act on the pressing wheel 2 and the rotating wheel 3 respectively. The spring 4 does not reach the maximum deformation in the initial state. During use, when the pressing cap 1 is pressed downward until the pen tip extends, the spring 4 is compressed. After the pen tip extends, the spring 4 rebounds under its own elastic force, drives the pressing wheel 2 and the pressing cap 1 to move upward to return to the original position and stay. Under the action of the spring 4, the pressing cap 1 will not move randomly within the pressing range.

[0033] An annular retaining ring is provided in the pressing cap 1, and an annular convex edge is provided on the outer side wall of the pressing wheel 2. The annular retaining ring is used to hold the annular convex edge to prevent relative movement between the pressing wheel 2 and the pressing cap 1, resulting in unsmooth pressing. During use, the top end of the pressing wheel 2 is inserted into the pressing cap 1.

[0034] The technical effect achieved by this embodiment is: another new pressing structure (the spring is arranged in the pressing wheel) is provided, so that after the pen tip extends by pressing the pressing cap 1, the pressing cap 1 can return to the original position and stay under the action of the spring 4, and the pressing cap 1 can be prevented from moving randomly within the pressing range during use.

[0035] Embodiment 3

[0036] As Figure 7 and Figure 8 shown, a pressing gel pen provided in this embodiment has a structure including all the contents of Embodiment 2 or 3. Only the different parts will be described below.

[0037] In this embodiment, it further includes a pen barrel, a pen tip, and a pen core. The pressing structure is arranged at the top end of the pen barrel. The top end of the pen tip is connected to the bottom end of the pen barrel, and the pen core is arranged in the pen barrel.

[0038] The technical effect achieved by this embodiment is: a new type of pressing gel pen is provided, and after the pen tip extends by pressing, the pressing cap will not move randomly within the pressing range.

[0039] Although the present utility model has been described in detail with general descriptions and specific embodiments above, based on the present utility model, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present utility model all fall within the scope of protection required by the present utility model.

[0040] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of clear description and are not used to limit the scope of implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in technical content, should also be regarded as the scope of implementation of the present utility model.

Claims

1. A pressing structure for a press-type pen, characterized in that: The invention comprises a snap cap (1), a snap wheel (2), a rotating wheel (3), a pen clip seat (5) and a spring (4); the snap cap (1) is sleeved on the top end of the snap wheel (2); the bottom end of the snap wheel (2) is slidably sleeved on the top end of the rotating wheel (3); the snap cap (1), the rotating wheel (3), the pen clip seat (5) and the spring (4) are coaxially arranged; The rotating wheel (3) is arranged in the pen clip seat (5), the bottom end of the press cap (1) is located in the pen clip seat (5), the top end of the press cap (1) extends outside the pen clip seat (5), and the spring (4) is used to drive the press cap (1) to reset after pressing the press cap (1).

2. The push structure for a push-type pen according to claim 1, characterized in that: The spring (4) is sleeved on the outside of the push wheel (2), and an annular boss is provided on the inner wall of the pen clip seat (5). The top end of the spring (4) abuts against the push cap (1), and the bottom end of the spring (4) abuts against the annular boss.

3. The pressing structure for a press-type pen according to claim 1, characterized in that: The spring (4) is arranged inside the push wheel (2) along the axial direction of the push wheel (2), the top end of the spring (4) abuts against the inner wall of the push wheel (2), and the bottom end of the spring (4) abuts against the rotating wheel (3).

4. A push-type pen pressing structure according to claim 2 or 3, characterized in that: An annular retaining ring is arranged inside the press cap (1), and an annular convex edge is arranged on the outer wall of the press wheel (2). The annular retaining ring is used to clamp the annular convex edge to prevent relative movement between the press wheel (2) and the press cap (1), resulting in an unsmooth pressing.

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