CN219523495U

CN219523495U - Sealing pen cap

Info

Publication number: CN219523495U
Application number: CN202320787899.0U
Authority: CN
Inventors: 史信光; 史坚衡
Original assignee: Wenzhou City Tenfon Stationery Co ltd
Current assignee: Wenzhou City Tenfon Stationery Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-15
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to a sealed pen cap which comprises a pen cap body, a front plug, a spring and a plug, wherein the pen cap body is connected with the front plug in a sliding manner, the front plug is provided with a pen groove for placing a pen point, two ends of the pen cap body are respectively provided with a clamping ring and a limiting seat, the limiting seat is connected with the plug in a clamping manner, the front plug is provided with an air hole connected with the pen groove, one end of the front plug is abutted to the clamping ring, and the other end of the front plug is connected with the limiting seat through the spring. The utility model aims at dividing the pen point into two stages when the pen point stretches into the pen cap: firstly, the joint of the pen point and the pen groove is in a sealing state under the action of a spring, and the air pressure in the pen groove is controlled to be balanced by the air holes so as to prevent ink leakage; secondly, when the pen cap is completely installed on the pen holder, the plug blocks the ventilation holes, so that the pen point is completely isolated from the outside, the volatilization of pen ink is prevented, and the service life of the pen is prolonged.

Description

Sealing pen cap

Technical Field

The utility model relates to the technical field of office supplies, in particular to a sealing pen cap.

Background

The sign pen, the mark pen, the highlighter pen and the like adopt cartridges with thicker diameters such as bullet heads, and the like, and the ink stored in the pen container is directly conveyed to the pen point, so that the ink quantity at the pen point is sufficient, and writing is smooth. Because the surface area of thick pen core is great, and the volume of volatilizing of ink is greater than needle tubing formula pen core far away under the state of placing naturally, and the sealed effect between pen cap and the nib is the key that blocks the ink volatilization, and traditional integrated into one piece pen cap, the condition that can not take place wearing and tearing, deformation in the use leads to the fact the sealed effect of pen cap poor, influences the life of pen.

Disclosure of Invention

In order to overcome the defects of the background technology, the utility model adopts the following technical scheme: the utility model provides a sealed pen cap, includes pen cap, preceding stopper, spring and end cap, pen cap sliding connection has preceding stopper, preceding stopper is equipped with the pen groove that is used for placing the nib, the both ends of pen cap are equipped with snap ring and spacing seat respectively, spacing seat joint has the end cap, preceding stopper is equipped with the bleeder vent that links to each other with the pen groove, and the one end butt in the snap ring of preceding stopper, and the other end passes through spring coupling in spacing seat.

Further, the side face of the front plug is provided with limiting teeth which are circumferentially distributed, the limiting teeth are provided with step faces which are abutted against the springs, and the limiting seat is provided with limiting grooves which are matched with the springs.

Furthermore, the pen cap is arranged between the clamping ring and the limiting seat, a sliding part a and a sliding part b are sequentially arranged on the pen cap, the front plug is provided with a baffle ring which is abutted against the clamping ring, the baffle ring is in sliding connection with the sliding part a, and the limiting teeth are in sliding connection with the sliding part b.

Further, the inner diameter of the sliding part a is larger than the inner diameter of the sliding part b.

Furthermore, the plug is provided with a round table matched with the air holes.

Further, the air holes are provided with chamfers towards the direction of the round table.

Furthermore, the limit seat is provided with a storage groove, and the plug is clamped in the limit seat through the storage groove.

Further, the front plug is provided with ventilation grooves a distributed circumferentially, the ventilation grooves are arranged between the limiting teeth, and the limiting seat is provided with ventilation grooves b distributed circumferentially.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, when the pen point stretches into the pen cap, the pen point is divided into two stages: firstly, the joint of the pen point and the pen groove is in a sealing state under the action of a spring, and the air pressure in the pen groove is controlled to be balanced by the air holes so as to prevent ink leakage; secondly, when the pen cap is completely installed on the pen holder, the plug blocks the ventilation holes, so that the pen point is completely isolated from the outside, the volatilization of pen ink is prevented, and the service life of the pen is prolonged.

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is an exploded view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a front view of the front plug of the present utility model;

FIG. 4 is a right side view of the pen cap of the present utility model;

FIG. 5 is a cross-sectional view of the view A of FIG. 4 in accordance with the present utility model;

wherein: 1-pen cap, 2-front plug, 3-spring, 4-plug, 5-pen slot, 6-clasp, 7-limit seat, 8-vent, 9-limit tooth, 11-step face, 12-limit slot, 13-sliding part a, 14-sliding part b, 15-baffle ring, 16-round table, 17-chamfer, 18-containing slot, 19-vent slot a, 20-vent slot b;

Detailed Description

As shown in fig. 1 and 2, this embodiment provides a sealed pen cap, including pen cap 1, preceding stopper 2, spring 3 and end cap 4, pen cap 1 sliding connection has preceding stopper 2, preceding stopper 2 is equipped with the pen groove 5 that is used for placing the nib, the both ends of pen cap 1 are equipped with snap ring 6 and spacing seat 7 respectively, spacing seat 7 joint has end cap 4, preceding stopper 2 is equipped with the bleeder vent 8 that links to each other with pen groove 5, and the one end butt in snap ring 6 of preceding stopper 2, and the other end passes through spring 3 and connects in spacing seat 7.

According to the utility model, the pen groove 5 is a conical surface, when the pen point stretches into the pen groove 5, the pen point is in sealing connection with the front plug 2 preferentially, the air pressure in the pen groove 5 is balanced through the air holes 8, the pen point pushes the front plug 2 to move towards the limiting seat 7 and clamps the pen body into the clamping ring 6, at the moment, the spring 3 is compressed, and the air holes 8 are just blocked by the plug 4, so that a sealing state is formed in the pen groove 5; when the pen point is pulled out, the front plug 2 is reset under the action of the spring 3, so that the air holes 8 normally balance the air pressure in the pen groove 5 when the pen point is installed next time, and the air pressure balance in the pen groove 5 is controlled and the volatilization of the pen ink is prevented.

As shown in fig. 2, 3 and 5, in this embodiment, the side surface of the front plug 2 is provided with circumferentially distributed limiting teeth 9, the limiting teeth 9 are provided with a step surface 11 abutting against the spring 3, and the limiting seat 7 is provided with a limiting groove 12 adapted to the spring 3. Specifically, the pen cap 1 is located between the snap ring 6 and the limiting seat 7, and is sequentially provided with a sliding portion a13 and a sliding portion b14, the front plug 2 is provided with a stop ring 15 abutted against the snap ring 6, and the stop ring 15 is slidably connected to the sliding portion a13, and the limiting teeth 9 are slidably connected to the sliding portion b14. Specifically, the inner diameter of the sliding portion a13 is larger than the inner diameter of the sliding portion b14.

In the utility model, two ends of the spring 3 are respectively clamped at the step surface 11 and the limit groove 12, so that the structural stability is improved, the dislocation of the spring 3 is prevented, the front plug 2 is slidably connected into the pen cap 1 through the baffle ring 15 and the limit teeth 9, and the moving range of the front plug 2 is limited through the clamping ring 6 and the sliding part b14.

In this embodiment, the plug 4 is provided with a circular table 16 adapted to the ventilation hole 8. Specifically, the air holes 8 are provided with chamfers 17 towards the direction of the round table 16. Specifically, the limit seat 7 is provided with a storage groove 18, and the plug 4 is clamped to the limit seat 7 through the storage groove 18.

In the utility model, the side surface of the round table 16 is a die drawing surface so as to facilitate the positioning and blocking of the round table 16.

As shown in fig. 2, 3 and 4, in this embodiment, the front plug 2 is provided with ventilation slots a19 distributed circumferentially, the ventilation slots are disposed between the limiting teeth 9, and the limiting seat 7 is provided with ventilation slots b20 distributed circumferentially.

In the utility model, when the pen point is completely connected with the front plug 2 in a sealing way, the air pressure at the pen container is connected with external air through the air-permeable groove a19, the gap between the limiting teeth 9 and the air-permeable groove b20 in sequence, so that the phenomenon of liquid leakage of the pen container due to internal pressurization is avoided.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a sealed pen cap, its characterized in that, including pen cap (1), preceding stopper (2), spring (3) and end cap (4), pen cap (1) sliding connection has preceding stopper (2), preceding stopper (2) are equipped with pen groove (5) that are used for placing the nib, the both ends of pen cap (1) are equipped with snap ring (6) and spacing seat (7) respectively, spacing seat (7) joint has end cap (4), preceding stopper (2) are equipped with bleeder vent (8) that link to each other with pen groove (5), and the one end butt of preceding stopper (2) is in snap ring (6), and the other end is connected in spacing seat (7) through spring (3).

2. A sealed pen cap according to claim 1, wherein: the side of the front plug (2) is provided with limit teeth (9) which are circumferentially distributed, the limit teeth (9) are provided with step surfaces (11) which are abutted against the springs (3), and the limit seat (7) is provided with limit grooves (12) which are matched with the springs (3).

3. A sealed pen cap according to claim 2, characterized in that: the pen cap (1) is located between the clamping ring (6) and the limiting seat (7) and sequentially provided with a sliding part a (13) and a sliding part b (14), the front plug (2) is provided with a baffle ring (15) which is abutted to the clamping ring (6), and the baffle ring (15) is connected with the sliding part a (13) in a sliding mode, and the limiting teeth (9) are connected with the sliding part b (14) in a sliding mode.

4. A sealed pen cap according to claim 3, characterized in that: the inner diameter of the sliding part a (13) is larger than that of the sliding part b (14).

5. A sealed pen cap according to claim 1, wherein: the plug (4) is provided with a round table (16) which is matched with the ventilation holes (8).

6. A sealed pen cap according to claim 5, wherein: the direction of the ventilation holes (8) towards the round table (16) is provided with a chamfer (17).

7. A sealed pen cap according to claim 6, wherein: the limiting seat (7) is provided with a storage groove (18), and the plug (4) is clamped on the limiting seat (7) through the storage groove (18).

8. A sealed pen cap according to claim 2, characterized in that: the front plug (2) is provided with ventilation grooves a (19) distributed circumferentially, the ventilation grooves are arranged between the limiting teeth (9), and the limiting seat (7) is provided with ventilation grooves b (20) distributed circumferentially.