CN212011130U

CN212011130U - Annotate liquid mouth plugging device

Info

Publication number: CN212011130U
Application number: CN202020584898.2U
Authority: CN
Inventors: 冀帅; 赖信华; 陈智鹏; 张要枫
Original assignee: Chengdu Yinlong New Energy Co ltd; Yinlong New Energy Co Ltd
Current assignee: Chengdu Yinlong New Energy Co ltd; Yinlong New Energy Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-24
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses an annotate liquid mouth plugging device, including the block subassembly, detachable is connected with the plug subassembly in the block subassembly, and plug subassembly sealing connection has annotates the liquid mouth to the liquid mouth is annotated in the shutoff. The utility model provides a pair of annotate liquid mouth plugging device, annotate liquid mouth body does not have the external screw thread, the shutoff block subassembly does not have the internal thread, need not to twist the circle, to annotate liquid mouth subassembly press can, this internal top of block increases the toper plug, it is sealed with annotating liquid mouth subassembly to utilize interference fit to increase the block subassembly, reduce the operating procedure, reduce the material and use, improve the requirement of quality and efficiency, quick effectual annotates liquid mouth subassembly shutoff to the battery of accomplishing the notes liquid, avoid the time that electrolyte exposes in the air, reduce the air, lithium hexafluorophosphate (LiPF6) in humidity and the electrolyte produces chemical reaction, produce gases such as hydrogen fluoride and cause the influence to the battery performance.

Description

Annotate liquid mouth plugging device

Technical Field

The utility model relates to a lithium cell technical field, in particular to annotate liquid mouth plugging device.

Background

The liquid injection nozzle used for the cylindrical battery comprises external threads, the cap comprises internal threads, 3-4 circles of threads need to be screwed during operation, the cap is composed of an aluminum metal cap and a rubber gasket, and 2 materials need to be respectively taken for 2 steps of operation when the cap is plugged, so that the production efficiency is not improved; if one of the materials is lacked, the production cannot be normally carried out; if the nut cap is not screwed in place, the nut cap can loosen and fall off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an annotate liquid mouth plugging device solves the problem of mentioning in the background art.

In order to achieve the above object, the utility model discloses a annotate liquid mouth plugging device's concrete technical scheme as follows:

the utility model provides a annotate liquid mouth plugging device, includes the block subassembly, and detachable is connected with the plug subassembly in the block subassembly, and plug subassembly sealing connection has annotates the liquid mouth to the mouth is annotated in the shutoff.

Further, the cap component comprises a cap body, the cap body is fixedly connected with the base, the cap component is provided with a hollow cavity, and a first round hole and a second round hole are formed in the hollow cavity.

Furthermore, a stepped hole is formed in the hollow cavity, and the diameter of the first round hole is smaller than that of the second round hole.

Further, the rubber plug component comprises a rubber plug body, the rubber plug body is fixedly connected with a rubber plug base, a hollow cavity is arranged in the rubber plug body, and an extension block is arranged on the top wall in the rubber plug body along the vertical direction and is used for being connected with the liquid injection nozzle in a matched mode.

Furthermore, the two side edges of the extension block are inclined parts, the inclined parts are connected with horizontal parts, and the joints of the inclined parts and the horizontal parts are rounded, so that the extension block plugging liquid injection nozzle is formed.

Further, annotate the liquid mouth including annotating the liquid mouth body, annotate liquid mouth body fixedly connected with supporting seat, annotate this internal cavity that is provided with of liquid mouth, annotate the cavity of liquid mouth and be circular through-hole.

Further, the diameter of the circular through hole is larger than the bottom of the outer diameter of the extension block, so that the extension block can be inserted into the through hole of the liquid injection nozzle to seal the liquid injection nozzle.

Further, the rubber plug component and the cap component are in interference fit.

Further, the rubber plug is made of rubber.

The utility model discloses an annotate liquid mouth plugging device has following advantage: the utility model provides a pair of annotate liquid mouth plugging device, annotate liquid mouth body does not have the external screw thread, the shutoff block subassembly does not have the internal thread, need not to twist the circle, to annotate liquid mouth subassembly press can, this internal top of block increases the toper plug, it is sealed with annotating liquid mouth subassembly to utilize interference fit to increase the block subassembly, reduce the operating procedure, reduce the material and use, improve the requirement of quality and efficiency, quick effectual annotates liquid mouth subassembly shutoff to the battery of accomplishing the notes liquid, avoid the time that electrolyte exposes in the air, reduce the air, lithium hexafluorophosphate (LiPF6) in humidity and the electrolyte produces chemical reaction, produce gases such as hydrogen fluoride and cause the influence to the battery performance.

Drawings

FIG. 1 is a schematic view of the overall structure of the cap assembly of the liquid filling nozzle plugging device of the present invention;

FIG. 2 is a schematic view of the internal structure of the cap assembly of the liquid filling nozzle plugging device of the present invention;

FIG. 3 is a schematic structural view of a rubber plug assembly of the liquid injection nozzle plugging device of the present invention;

FIG. 4 is a schematic view of the internal structure of the rubber plug assembly of the plugging device for the liquid injection nozzle of the present invention;

FIG. 5 is a schematic structural view of a liquid injection nozzle assembly of the liquid injection nozzle plugging device of the present invention;

fig. 6 is the internal structure schematic diagram of the liquid injection nozzle assembly of the liquid injection nozzle plugging device of the present invention.

The reference numbers in the figures illustrate: 1. a cap assembly; 11. a cap body; 111. a first circular hole; 112. a second circular hole; 12. a base; 2. a rubber plug component; 21. a rubber plug body; 22. a rubber plug base; 23. an extension block; 231. an inclined portion; 232. round corners; 3. a liquid injection nozzle; 31. a liquid injection nozzle body; 32. and (4) supporting the base.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the plugging device for liquid injection nozzle of the present invention will be described in detail with reference to the attached drawings 1-6.

The utility model provides an annotate liquid mouth plugging device, including block subassembly 1, detachable is connected with plug subassembly 2 in the block subassembly 1, and plug subassembly 2 sealing connection has notes liquid mouth 3 to liquid mouth 3 is annotated in the shutoff. The utility model provides a pair of annotate liquid mouth plugging device mainly is quick effectual annotates liquid mouth 3 shutoff to the battery of completion notes liquid, avoids the time that electrolyte exposes in the air, reduces lithium hexafluorophosphate (LiPF6) in air, humidity and the electrolyte and produces chemical reaction, produces gas such as hydrogen fluoride and causes the influence to the battery performance.

As shown in fig. 1 and 2, the cap assembly 1 includes a cap body 11, the cap body 11 is fixedly connected with a base 12, the cap assembly 1 has a hollow cavity, a first circular hole 111 and a second circular hole 112 are provided in the hollow cavity, the diameter of the first circular hole 111 is smaller than that of the second circular hole 112, and a stepped hole is formed in the hollow cavity. The base 12 is a ring-shaped plate structure, and the inner diameter of the circular hole of the base 12 is smaller than the diameters of the second circular hole 112 and the first circular hole 111.

As shown in fig. 3 and 4, the rubber plug assembly 2 comprises a rubber plug body 21, a rubber plug base 22 is fixedly connected to the rubber plug body 21, a hollow cavity is arranged in the rubber plug body 21, an extension block 23 is vertically arranged downwards on the inner top wall of the rubber plug body 21, the extension block 23 is used for being matched and connected with the liquid injection nozzle 3, two side edges of the extension block 23 are inclined parts 231, the inclined parts 231 are connected with horizontal parts, and round corners 232 are chamfered at the joints of the inclined parts 231 and the horizontal parts, so that the liquid injection nozzle 3 is plugged by the extension block 23.

Further, the rubber plug is of a rubber structure and can be made of other plastic materials.

Preferably, the rubber plug component 2 and the cap component 1 are in interference fit.

As shown in fig. 5 and 6, the liquid injection nozzle 3 comprises a liquid injection nozzle 3 body, a support seat 32 is fixedly connected to the liquid injection nozzle 3 body, a hollow cavity is arranged in the liquid injection nozzle 3 body, the hollow cavity of the liquid injection nozzle 3 is a circular through hole, and the diameter of the circular through hole is larger than the bottom of the outer diameter of the extension block 23, so that the extension block 23 can be inserted into the through hole of the liquid injection nozzle 3 to seal the liquid injection nozzle 3.

The utility model provides an annotate liquid mouth plugging device inserts plug subassembly 2 earlier in block subassembly 1 for plug subassembly 2 and block subassembly 1 interference fit will cooperate the good block subassembly 1 again and annotate the cooperation of liquid mouth 3 to be connected, thereby make plug subassembly 2 extend the piece 23 and annotate the through-hole sealing connection of liquid mouth 3, avoid the time that electrolyte exposes in the air, reduce the lithium hexafluorophosphate (LiPF6) production chemical reaction in air, humidity and the electrolyte.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a annotate liquid mouth plugging device, its characterized in that, includes block subassembly (1), and detachable is connected with plug subassembly (2) in block subassembly (1), and plug subassembly (2) sealing connection has annotates liquid mouth (3) to mouth (3) are annotated in the shutoff.

2. A pouring spout closure device according to claim 1, characterized in that the cap assembly (1) comprises a cap body (11), the cap body (11) being fixedly connected to the base (12), the cap assembly (1) having a hollow cavity, the hollow cavity being provided with a first circular hole (111) and a second circular hole (112).

3. A pouring spout closure device according to claim 2, characterized in that a stepped bore is formed in the hollow chamber, the diameter of the first circular bore (111) being smaller than the diameter of the second circular bore (112).

4. The liquid injection nozzle plugging device according to claim 1, wherein the rubber plug assembly (2) comprises a rubber plug body (21), the rubber plug body (21) is fixedly connected with a rubber plug base (22), a hollow cavity is arranged in the rubber plug body (21), and an extension block (23) is vertically arranged downwards on the inner top wall of the rubber plug body (21) and is used for being matched and connected with the liquid injection nozzle (3).

5. Pouring nozzle plugging device according to claim 4, characterized in that the extension block (23) is provided with inclined parts (231) on both sides, the inclined parts (231) are connected with horizontal parts, and the joint of the inclined parts (231) and the horizontal parts is rounded (232), so that the extension block (23) is formed to plug the pouring nozzle (3).

6. A nozzle plugging device according to claim 1, wherein said nozzle (3) comprises a nozzle (3) body, a support base (32) is fixedly connected to the nozzle (3) body, a hollow cavity is arranged in the nozzle (3) body, and the hollow cavity of the nozzle (3) is a circular through hole.

7. Pouring spout closure device according to claim 6, characterized in that the diameter of the circular through hole is larger than the outer diameter bottom of the extension piece (23), so that the extension piece (23) can be inserted into the through hole of the pouring spout (3) to seal the pouring spout (3).

8. The pouring spout blocking device according to claim 7, wherein the rubber plug assembly (2) and the cap assembly (1) are interference fit.

9. The pouring nozzle plugging device according to claim 8, wherein the rubber plug is made of rubber.