CN210436863U

CN210436863U - Pen cap

Info

Publication number: CN210436863U
Application number: CN201921414925.5U
Authority: CN
Inventors: 邵中兴
Original assignee: Suzhou Youhong Technology Co Ltd
Current assignee: Suzhou Youhong Technology Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-01
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a pen socket, the outer wall of body of a writing brush is formed with first spacing protruding stupefied, first spacing protruding stupefied edge the circumferencial direction of body of a writing brush sets up, the pen socket includes: a pen cap body; the elastic second limiting convex edge is arranged on the inner wall of the pen cap body and is arranged along the circumferential direction of the pen cap body in a circle, and the second limiting convex edge is connected with the first limiting convex edge in a buckling mode. The utility model provides a separation power problem on the large side of traditional pen socket inner ring muscle and the outer ring muscle of body of a brush.

Description

Pen cap

Technical Field

The utility model relates to a stationery makes technical field, concretely relates to pen socket.

Background

At present, the basic approach for solving the problem of air tightness between pen caps (pen caps and upper caps) and pen bodies is to increase the interference magnitude of the matching between the pen caps and the pen bodies, namely, increase the interference magnitude between the buckling positions of the pen caps and the buckling positions of the pen bodies, thereby ensuring the air tightness between the pen caps and the pen bodies. Although the method ensures the matching air tightness of the pen cap and the pen body to a certain degree, the method is realized by increasing the matching interference magnitude of the pen cap and the pen body, so that the separating force (drawing force) of the pen cap and the pen body is larger, namely the pen cap and the pen body are tightly matched, and the hand feeling is not good.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a pen cap is provided so as to solve the problem that the separating force between the inner ring rib and the outer ring rib of the pen cap is larger.

For realizing above-mentioned purpose, provide a pen socket, the outer wall of body of a writing brush is formed with first spacing protruding stupefied, first spacing protruding stupefied edge the circumferencial direction of body of a writing brush sets up, the pen socket includes:

a pen cap body; and

the elastic second limiting convex edge is arranged on the inner wall of the pen cap body and is arranged along the circumferential direction of the pen cap body in a circle, and the second limiting convex edge is connected with the first limiting convex edge in a buckling mode.

Furthermore, the inner wall of the pen cap body is provided with a limiting groove, the limiting groove is arranged along the circumferential direction of the pen cap body, an elastic sleeve is embedded in the limiting groove, and the second limiting convex edge is arranged on the inner wall of the elastic sleeve.

Furthermore, the elastic sleeve is a silica gel sleeve or a rubber sleeve.

Furthermore, the hole opening of the jack of the pen cap body is expanded to form a first expanded hole, a limiting sleeve for the pen body to penetrate is installed at the hole opening of the first expanded hole, and a limiting groove is formed between the limiting sleeve and the hole bottom of the first expanded hole.

Furthermore, a second enlarged hole is formed by expanding the hole opening of the first enlarged hole, and the limiting sleeve is accommodated in the second enlarged hole.

Furthermore, a third limiting convex edge is formed in the hole opening of the second expanded hole, and a fourth limiting convex edge connected with the third limiting convex edge in a buckled mode is formed on the outer wall of the limiting sleeve.

Furthermore, the limiting sleeve is connected to the inner wall of the second enlarged hole in a dispensing mode.

Furthermore, the limiting sleeve is connected to the inner wall of the second enlarged hole in an ultrasonic welding mode.

Furthermore, the hole bottom of the second expanded hole is recessed towards the hole bottom of the jack to form an accommodating groove, a protruding strip is formed on the end face of the limiting sleeve, the protruding strip is inserted into the accommodating groove, and the protruding strip is connected to the accommodating groove through ultrasonic welding.

Furthermore, the accommodating groove is formed in the circumferential direction of the large hole of the second hole, and the protruding strips are arranged in the circumferential direction of the limiting sleeve.

The beneficial effects of the utility model reside in that, the utility model discloses a cap for brush is through the inner structure who changes the cap for brush, optimizes the cap for brush and the first spacing protruding stupefied cooperation back gas tightness of body for brush through the spacing protruding stupefied of built-in elasticity second, utilizes the spacing stupefied elasticity of second when guaranteeing the gas tightness, also can guarantee the separating force of pen cap and body for brush in appropriate scope to keep good feeling.

Drawings

Fig. 1 is a sectional view of a pen cap according to a first embodiment of the present invention.

Fig. 2 is a schematic view of a connection node between the pen cap and the pen body according to the first embodiment of the present invention.

Fig. 3 is a schematic structural view of an elastic sleeve of a pen cap according to a first embodiment of the present invention.

Fig. 4 is a schematic view of a connection node between the limiting sleeve and the pen cap body according to the first embodiment of the present invention.

Fig. 5 is a schematic view illustrating the ultrasonic welding connection between the pen cap body and the limiting sleeve according to the second embodiment of the present invention.

Fig. 6 is a schematic structural view of a protruding strip of a limiting sleeve according to a second embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Fig. 1 is the utility model discloses the cross-sectional view of pen socket, fig. 2 do the utility model discloses a pen socket and the connected node schematic diagram of a body, fig. 3 do the utility model discloses the elastic sleeve's of pen socket structural schematic diagram, fig. 4 do the utility model discloses a spacing sleeve and the connected node schematic diagram of pen socket body, fig. 5 do the utility model discloses a pen socket body and spacing sleeve's ultrasonic bonding connection schematic diagram, fig. 6 do the utility model discloses a structural schematic diagram of spacing sleeve's sand grip. The figures in the specification adopt cross-sectional views for more clearly explaining the internal structure of the pen cap. In this embodiment, the pen body adopts traditional pen body, and the outer wall of pen body 3 is formed with first spacing stupefied 31. The first limiting convex ridge 31 is arranged along the circumferential direction of the pen body 3. Namely, the first limiting convex edge is in interference fit with the limiting convex edge formed on the inner wall of the traditional pen cap.

First embodiment

Referring to fig. 1 to 4, the present invention provides a pen cap, including: a pen cap body 1 and an elastic sleeve 2.

Specifically, the inner wall of the pen cap body 1 is provided with a limit groove arranged annularly. The limiting groove is arranged along the circumferential direction of the pen cap body 1. The length of the limiting groove is matched with the length of the elastic sleeve.

The elastic sleeve 2 is accommodated in the limiting groove. The inner wall of the elastic sleeve 2 is formed with a second limit ridge 21. The elastic sleeve is used for being sleeved on the pen body. The second limiting convex ridge 21 is connected with the first limiting convex ridge 31 of the pen body in a buckling mode.

The pen body is inserted into the pen cap, the first limiting convex rib is connected to the second limiting convex rib in a buckling mode, the first limiting convex rib is located on one side, close to the closed end of the pen cap, of the second limiting convex rib, and one side, close to the closed end of the pen cap, of the second limiting convex rib tightly presses against the first limiting convex rib to ensure the air tightness of the pen cap and the pen body.

The second limiting convex edge is a convex edge made of silica gel, rubber or other elastic materials.

The second limiting convex edge is encircled to form a socket hole for inserting the pen body; the first limiting convex edge ring forms a 'solid ring', and the inner diameter of the bearing hole is smaller than the outer diameter of the 'solid ring'.

Furthermore, the inner diameter of the socket hole is smaller than the outer diameter of the pen body.

Furthermore, the inner diameter of the elastic sleeve is slightly smaller than the outer diameter of the pen body, the first limiting convex edge is connected to the second limiting convex edge in a buckling mode, the inner wall of the elastic sleeve is attached to the outer wall of the pen body, and air tightness is further improved.

The utility model discloses a pen socket is through changing the inner structure of pen socket, optimizes the pen socket and the first spacing protruding stupefied cooperation back gas tightness of body of a brush through the spacing protruding stupefied of built-in elasticity second, utilizes the spacing protruding stupefied elasticity of second when guaranteeing the gas tightness, also can guarantee that the separating force of pen cover and body of a brush is in appropriate scope to keep good feeling.

As a preferred embodiment, the elastic sleeve 2 is a wear-resistant elastic sleeve. The second limiting convex edge is a wear-resistant convex edge. In this embodiment, the second limiting protrusion is integrally formed with the elastic sleeve.

Further, the elastic sleeve 2 is a sleeve made of silica gel, rubber or other elastic materials. In this embodiment, the elastic sleeve is made of wear-resistant elastic materials such as silica gel, and has excellent elasticity and wear resistance, so that the number of times of inserting and pulling the pen body and the pen cap is increased, and the service life of the pen cap is prolonged.

In this embodiment, the pen cap body 1 has an insertion hole for inserting the pen body. The hole opening of the insertion hole is expanded to form a first expanded hole. And a limiting sleeve 11 for the pen body 3 to penetrate is arranged in the hole of the first enlarged hole. A limiting groove is formed between the limiting sleeve 11 and the bottom of the first enlarged hole. The elastic sleeve is filled between the limiting sleeve 11 and the bottom of the first enlarged hole.

Specifically, the orifice of the first enlarged hole is enlarged in diameter to form a second enlarged hole. The limiting sleeve 11 is accommodated in the second enlarged hole. The length of the second enlarged hole is matched with the length of the limiting sleeve.

As a preferred embodiment, referring to fig. 3 and 4, a third limiting protrusion 12 is formed at the orifice of the second enlarged hole. The outer wall of the limiting sleeve 11 is provided with a fourth limiting convex edge 111 which is connected with the third limiting convex edge 12 in a buckling manner. The third limiting convex edge 12 is pressed against one side of the fourth limiting convex edge close to the orifice of the second enlarged hole after being connected with the fourth limiting convex edge 111 through a buckle. Further, the third limiting flange 12 is aligned with the opening of the first enlarged hole.

Second embodiment

Compared with the first embodiment, the difference is in the connection mode of the limiting sleeve and the pen cap body in the embodiment.

Specifically, the limiting sleeve is connected to the inner wall of the second enlarged hole in a dispensing mode.

Third embodiment

Referring to fig. 5 and 6, compared with the first embodiment, the difference is the connection manner between the limiting sleeve and the cap body in this embodiment.

In the present embodiment, the position limiting sleeve 11 is connected to the inner wall of the second enlarged hole by ultrasonic welding.

Specifically, the hole bottom of the second enlarged hole is recessed toward the hole bottom of the insertion hole to form an accommodation groove, and the end surface of the limiting sleeve 11 forms a protruding strip 112. The protruding strips 112 are inserted into the accommodating grooves, and the protruding strips 112 are connected to the accommodating grooves by ultrasonic welding.

The accommodating groove is arranged along the circumferential direction of the large hole of the second hole, and the convex strip 112 is arranged along the circumferential direction of the limiting sleeve 11.

It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.

Claims

1. The utility model provides a pen socket, its characterized in that, the outer wall of a body is formed with first spacing protruding stupefied, first spacing protruding stupefied edge the circumferencial direction of a body sets up, the pen socket includes:

a pen cap body; and

2. The pen cap according to claim 1, wherein a limiting groove is formed on an inner wall of the pen cap body, the limiting groove is arranged along a circumferential direction of the pen cap body, an elastic sleeve is embedded in the limiting groove, and the second limiting protrusion is arranged on the inner wall of the elastic sleeve.

3. The pen cap according to claim 2, wherein the elastic sleeve is a silicone sleeve or a rubber sleeve.

4. The pen cap according to claim 2, wherein a first enlarged hole is formed by enlarging the hole opening of the insertion hole of the pen cap body, a limiting sleeve for the pen body to penetrate is installed at the hole opening of the first enlarged hole, and the limiting groove is formed between the limiting sleeve and the hole bottom of the first enlarged hole.

5. The pen cap according to claim 4, wherein an orifice of the first enlarged hole is enlarged to form a second enlarged hole, and the limiting sleeve is received in the second enlarged hole.

6. The pen cap as claimed in claim 5, wherein a third limiting protrusion is formed in the opening of the second enlarged hole, and a fourth limiting protrusion connected with the third limiting protrusion in a snap-fit manner is formed on the outer wall of the limiting sleeve.

7. The pen cap according to claim 5, wherein the limiting sleeve is connected to the inner wall of the second enlarged hole in a dispensing manner.

8. The pen cap according to claim 5, wherein the limiting sleeve is connected to the inner wall of the second enlarged hole by ultrasonic welding.

9. The pen cap according to claim 8, wherein the bottom of the second enlarged hole is recessed toward the bottom of the insertion hole to form an accommodation groove, the end surface of the position limiting sleeve forms a protrusion, the protrusion is inserted into the accommodation groove, and the protrusion is ultrasonically welded to the accommodation groove.

10. The pen cap according to claim 9, wherein the receiving groove is disposed along a circumferential direction of the second enlarged hole, and the protruding strip is disposed along a circumferential direction of the position limiting sleeve.