CN215342736U

CN215342736U - Extremely simple structure

Info

Publication number: CN215342736U
Application number: CN202120964754.4U
Authority: CN
Inventors: 王有生; 李华; 远浩; 夏春文
Original assignee: Changzhou Red Fairy Precision Technology Co Ltd
Current assignee: Changzhou Red Fairy Precision Technology Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-28
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to the technical field of lithium battery top cover structures, and discloses an extremely simple structure which comprises a top cover, a pole post and a fixing piece, wherein the top cover is provided with a mounting hole; the fixing piece comprises a fixing section and an installation section, the fixing section is provided with a fixing section, and the fixing section is provided with an upward opening; the mounting section penetrates through the mounting hole, the mounting section extends along the direction far away from the mounting hole to form a fixing sheet, a mounting space is formed between the fixing sheet and the fixing section, and the top cover is arranged in the mounting space; the fixing section fixes the pole in the fixing section, and the upper end of the pole is exposed through the opening; specifically, the fixing piece is installed on the top cover through the installation hole, the installation section penetrates through the installation hole, and the top cover is fixed in the installation space through the fixing section and the fixing piece, so that the fixing piece is prevented from being separated from the top cover; the fixing piece is provided with a fixing area, and the pole is fixed in the fixing area by the fixing piece, so that the top cover and the pole are fixed; the battery top cover assembly is simple in structure and convenient to assemble, and solves the problems of multiple battery top cover assemblies and multiple assembling procedures.

Description

Extremely simple structure

Technical Field

The utility model relates to the technical field of lithium battery top cover structures, in particular to a simple structure.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and a top cover of the lithium battery is an indispensable part of the lithium battery; present cap structure contains modes such as a plurality of assembly welding such as lamina tecti, sealing washer, utmost point post, welding ring and combines together and form available cap structure, nevertheless in the welding, because the subassembly is numerous, leads to often appearing unfavorable condition in welding process, for example explode the point, not weld thoroughly, weld and wear etc. to lead to the disability rate height.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple structure and aims to solve the problem that in the prior art, the rejection rate is increased due to the fact that a large number of top cover structural components cause poor conditions in the welding process.

The utility model is realized in this way, and the structure is very simple, comprising a top cover, a pole post and a fixing piece, wherein the top cover is provided with a mounting hole; the fixing piece comprises a fixing section and an installation section, the fixing section is provided with a fixing area, and the fixing area is provided with an upward opening; the mounting section penetrates through the mounting hole, a fixing sheet extends along the direction far away from the mounting hole to form a mounting space, and the top cover is arranged in the mounting space; the fixed section fixes the pole in the fixed interval, and the upper end of the pole is exposed through the opening.

Further, the fixing piece is a non-metal fixing piece.

Further, the diameter of the fixing section is larger than that of the mounting section.

Furthermore, the periphery of utmost point post outwards extends and is formed with the bulge loop, the inner wall of fixed section is sunken to be formed with the fluted ring, the bulge loop embedding in the fluted ring.

Furthermore, a plurality of positioning lugs are arranged in the groove ring, the positioning lugs are arranged around the inner wall of the groove ring at intervals, and a plurality of positioning grooves which are in one-to-one correspondence with the positioning lugs are formed on the periphery of the convex ring in a recessed manner; the positioning lug is embedded into the positioning groove.

Further, the diameter of the opening is smaller than the diameter of the groove ring.

Further, the opening has a first facing surface facing the pole, the pole has a second facing surface facing the first facing surface, and the first facing surface is in contact with the second facing surface.

Furthermore, the mounting section is provided with a connecting hole which is communicated with the fixed section; the lower end of the pole is arranged towards the connecting hole.

Further, the upper surface of stationary blade butt the lower surface of top cap, the lower surface of fixed section butt the upper surface of top cap.

Furthermore, a plurality of cylindrical through holes are arranged at the periphery of the mounting hole in a surrounding mode at intervals, the fixing piece comprises a plurality of cylinders which are arranged in one-to-one correspondence to the cylindrical through holes, and two ends of each cylinder are respectively connected with the fixing section and the fixing piece; the cylinder passes through the cylindrical through hole.

Compared with the prior art, the pole column is fixed on the top cover through the fixing piece, specifically, the fixing piece is installed on the top cover through the installation hole, the installation section penetrates through the installation hole, and the top cover is fixed in the installation space through the fixing section and the fixing piece, so that the fixing piece is prevented from being separated from the top cover; the fixing piece is provided with a fixing area, and the pole is fixed in the fixing area by the fixing piece, so that the top cover and the pole are fixed; the upper end of the pole is exposed outside through the opening on the fixing section; the utility model has simple structure and convenient assembly, solves the problems of more battery top cover components and more assembly procedures, saves the assembly time, reduces the rejection rate and enhances the anti-twisting performance of the pole.

Drawings

FIG. 1 is a perspective view of a simplified configuration provided by an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a perspective view of a simplified configuration provided by an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a very simplified structure provided by an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

Referring to fig. 1-4, preferred embodiments of the present invention are provided.

The pole-type electric pole comprises a very simple structure, a pole column 300 and a fixing piece 200, wherein a mounting hole 110 is formed in the top cover 100; the stator 200 includes a fixing section 220 and a mounting section 210, the fixing section 220 is used for fixing the pole 300, and the mounting section 210 is used for mounting the stator 200 on the top cover 100.

The mounting section 210 passes through the mounting hole 110, so that the fixing member 200 is mounted on the top cover 100, the fixing section 220 has a fixing section 221, the pole 300 is disposed in the fixing section 221, and the fixing member 200 fixes the pole 300 in the fixing section 221.

The diameter of the fixing section 220 is greater than that of the mounting section 210, the outer surface of the mounting section 210 extends outwards to form the fixing sheet 230, a mounting space is formed between the fixing sheet 230 and the fixing section 220, the mounting section 210 penetrates through the mounting hole 110, the fixing section 220 and the fixing sheet 230 position the top cover 100 in the mounting space, the fixing member 200 is prevented from being separated from the top cover 100, and therefore the pole 300 is prevented from being separated from the top cover 100.

The fixed section 221 has an upward opening, the mounting section 210 has a connection hole 240, and the connection hole 240 communicates with the fixed section 221; when utmost point post 300 is installed in fixed interval 221, the upper end of utmost point post 300 reveals through the opening, and the lower extreme of utmost point post 300 then arranges towards connecting hole 240, conveniently docks the positive and negative two poles of a pole 300.

In the very simple structure provided above, the pole 300 is fixed on the top cover 100 by the fixing member 200, specifically, the fixing member 200 is installed on the top cover 100 through the installation hole 110, the installation section 210 passes through the installation hole 110, and the top cover is fixed in the installation space by the fixing section 220 and the fixing sheet 230, so as to prevent the fixing member 200 from being separated from the top cover 100; the fixing member 200 has a fixing section 221, and the pole 300 is fixed in the fixing section 221 by the fixing member 200, so that the top cover 100 and the pole 300 are fixed; the upper end of the pole 300 is exposed outside through the opening of the fixing section 221; the utility model has simple structure and convenient assembly, solves the problems of more components and more assembly procedures of the battery top cover 100, saves the assembly time, reduces the rejection rate and enhances the torsion resistance of the pole 300.

The upper surface of the fixing piece 230 abuts against the lower surface of the top cover 100, and the lower surface of the fixing section 220 abuts against the upper surface of the top cover 100, so that the fixing piece 200 is firmly fixed with the top cover 100, and the fixing piece 200 and the pole 300 are prevented from rotating relative to the top cover 100.

Further, the periphery of utmost point post 300 extends outwards and is formed with bulge loop 310, and the inner wall of fixed section 220 is sunken to be formed with fluted ring 222, and bulge loop 310 imbeds in fluted ring 222, with utmost point post 300 joint in the locating section.

Further, a plurality of positioning protrusions 223 are arranged in the groove ring 222, the positioning protrusions 223 are arranged around the inner wall of the groove ring 222 at intervals, a plurality of positioning grooves 311 are formed in the periphery of the convex ring 310 in a recessed mode, the positioning grooves 311 correspond to the positioning protrusions 223 in a one-to-one mode, and the positioning protrusions 223 are embedded into the positioning grooves 311, so that the pole 300 is prevented from rotating relative to the fixing member 200.

Further, the diameter of the opening is smaller than that of the groove ring 222, and the diameter of the groove ring 222 is larger than that of the connection hole 240, so that the pole 300 is prevented from being separated from the fixing member 200 and the top cover 100 from the opening and the connection hole 240, thereby ensuring that the pole 300 is fixed on the top cover 100.

The opening has a first facing surface 224 facing the pole post 300, the pole post 300 has a second facing surface 320 facing the first facing surface 224, and the first facing surface 224 is abutted against the second facing surface 320, so that the fixing member 200 is tightly attached to the pole post 300.

The periphery of the mounting hole 110 is provided with a plurality of cylindrical through holes 120 at intervals in a surrounding manner, the fixing member 200 comprises a plurality of columns 250, two ends of each column 250 are respectively connected with the fixing section 220 and the fixing sheet 230, the plurality of columns 250 and the cylindrical through holes 120 are arranged in a one-to-one correspondence manner, and the columns 250 penetrate through the cylindrical through holes 120, so that when the fixing member 200 is connected with the top cover 100 again, the fixing member 200 is fixed in position, and the fixing member 200 is prevented from rotating relative to the top cover 100.

Further, the fixing member 200 is a non-metal fixing member, and can be formed by injection molding, extrusion molding, casting or other forming methods; the non-metallic material of mounting makes the compression leakproofness that reaches original sealing washer between mounting 200, utmost point post 300 and the top cap 100, combines this kind of forming mode again simultaneously, further increases the leakproofness to replaced welded structural strength simultaneously.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The pole post is characterized by comprising a top cover, a pole post and a fixing piece, wherein the top cover is provided with a mounting hole; the fixing piece comprises a fixing section and an installation section, the fixing section is provided with a fixing area, and the fixing area is provided with an upward opening; the mounting section penetrates through the mounting hole, a fixing sheet extends along the direction far away from the mounting hole to form a mounting space, and the top cover is arranged in the mounting space; the fixed section fixes the pole in the fixed interval, and the upper end of the pole is exposed through the opening.

2. The pole construction of claim 1 wherein said fastener is a non-metallic fastener.

3. The very simple structure of claim 1, wherein the diameter of the securing section is greater than the diameter of the mounting section.

4. The very simple structure of any one of claims 1 to 3, wherein the outer circumference of the pole extends outwards to form a convex ring, the inner wall of the fixing section is recessed to form a groove ring, and the convex ring is embedded into the groove ring.

5. The very simple structure of claim 4, wherein the groove ring is provided with a plurality of positioning protrusions, the positioning protrusions are arranged around the inner wall of the groove ring at intervals, and the outer circumference of the convex ring is concavely provided with a plurality of positioning grooves corresponding to the positioning protrusions one to one; the positioning lug is embedded into the positioning groove.

6. The very simple structure of claim 4, wherein the diameter of the opening is smaller than the diameter of the groove ring.

7. The very simple structure of any one of claims 1 to 3, characterized in that the opening has a first facing surface facing the pole, the pole having a second facing surface facing the first facing surface, the first facing surface abutting the second facing surface.

8. The very simple structure of any one of claims 1 to 3, wherein the mounting section has a connection hole, the connection hole communicating with the fixing section; the lower end of the pole is arranged towards the connecting hole.

9. The very simple structure of any one of claims 1 through 3, wherein an upper surface of the securing tab abuts a lower surface of the top cover and a lower surface of the securing segment abuts an upper surface of the top cover.

10. The very simple structure of any one of claims 1 to 3, wherein a plurality of cylindrical through holes are arranged around the periphery of the mounting hole at intervals, the fixing member comprises a plurality of columns arranged in one-to-one correspondence with the cylindrical through holes, and two ends of each column are respectively connected with the fixing section and the fixing piece; the cylinder passes through the cylindrical through hole.