CN214848817U

CN214848817U - Battery cover plate and battery

Info

Publication number: CN214848817U
Application number: CN202120643966.2U
Authority: CN
Inventors: 曹锐; 陈利权; 李倩伟
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-23
Anticipated expiration: 2031-03-30

Abstract

The utility model belongs to the technical field of the battery, a battery apron and battery is disclosed, the battery apron is including apron body and last plastic, is provided with first utmost point post on the apron body and wears to establish the hole, wears to establish the protruding a plurality of circular blind holes and the bar blind hole of being equipped with of hole circumference along first utmost point post, goes up that the plastic corresponds first utmost point post and wears to establish the hole and be provided with the hole is worn to establish by the second utmost point post, wears to establish the protruding a plurality of guide pillars that are equipped with of hole circumference along the second utmost point post, and a plurality of guide pillar one-to-one butt are in circular blind hole and bar blind hole. The utility model provides a battery cover plate will go up the plastic setting and at the upside of apron body, through setting up the guide pillar hole on last plastic, make guide pillar hole one-to-one butt in circular blind hole and bar blind hole, at the rotatory in-process of utmost point post, thereby guide pillar and butt provide anti revolving force in circular blind hole and bar blind hole, have improved the antitorque performance of utmost point post.

Description

Battery cover plate and battery

Technical Field

The utility model relates to a battery technology field especially relates to a battery cover plate and battery.

Background

With the increase of the requirement of people on the energy density of the battery, the high-capacity performance of the battery is improved, the size of the battery is required to be further reduced, and the size of the cover plate is made smaller and smaller, so that an important problem is also derived, namely, a conductive block, an explosion-proof valve, a liquid injection hole and other key parts are arranged on one cover plate, and the space is very tight. Twist reverse when utmost point post emergence, not only influenced the stability ability of circuit transmission, moreover, the utmost point ear of electricity core is connected on the bottom plate of utmost point post, and under utmost point post was twisted round the circumstances repeatedly, its electric connection performance with electric core can be destroyed, probably leads to the emergence of incident.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery cover plate and battery, the anti revolving force nature of increase utmost point post.

To achieve the purpose, the utility model adopts the following technical proposal:

a battery cover plate comprising:

the cover plate comprises a cover plate body, wherein a first pole penetrating hole is formed in the cover plate body, and a plurality of circular blind holes and strip-shaped blind holes are convexly formed in the circumferential direction of the first pole penetrating hole;

and the upper plastic is provided with a second pole penetrating hole corresponding to the first pole penetrating hole, a plurality of guide pillars are convexly arranged along the circumferential direction of the second pole penetrating hole, and the guide pillars are butted against the circular blind hole and the strip-shaped blind hole in a one-to-one correspondence manner.

Preferably, the cover plate further comprises an aluminum block, and the aluminum block abuts against one surface, far away from the cover plate body, of the upper plastic.

Preferably, the aluminum block is provided with a third pole penetrating hole corresponding to the second pole penetrating hole.

Preferably, the aluminum block further comprises a pole, wherein the pole is sequentially arranged in the first pole penetrating hole, the second pole penetrating hole and the third pole penetrating hole in a penetrating manner, so that the pole is partially arranged outside the aluminum block.

Preferably, the cover plate further comprises a lower plastic, and the lower plastic is correspondingly arranged on one side, far away from the upper plastic, of the cover plate body.

Preferably, still include the sealing member, the plastic corresponds down utmost point post is provided with the mounting hole, utmost point post wears to locate the mounting hole, the sealing member is used for sealing the mounting hole inner wall with clearance between the utmost point post outer wall.

Preferably, the explosion-proof valve assembly further comprises an explosion-proof valve assembly, wherein the cover plate body is provided with a containing groove, and the containing groove is used for containing the explosion-proof valve assembly.

Preferably, the explosion-proof valve assembly comprises an explosion-proof valve body and an explosion-proof valve patch arranged on the explosion-proof valve body.

Preferably, the strip-shaped blind holes are arranged at any angle.

In order to achieve the above object, the present invention also provides a battery, which comprises a battery casing and a battery cover plate, wherein the battery casing is provided with an opening, and the cover plate is used for sealing the opening.

The utility model has the advantages that:

the utility model provides a battery cover plate will go up the plastic setting and at the upside of apron body, through setting up the guide pillar hole on last plastic, make guide pillar hole one-to-one butt in circular blind hole and bar blind hole, at the rotatory in-process of utmost point post, thereby the guide pillar butt provides anti revolving force in circular blind hole and bar blind hole, has improved the antitorque performance of utmost point post.

The utility model also provides a battery, it includes battery case and foretell battery apron, and it is uncovered to be provided with on the battery case, and the apron body is used for sealing uncovered. The battery shell of the embodiment is open, so that the cover plate is closed at the opening of the shell, and the sealing performance of the battery structure is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a cover plate body provided in an embodiment of a battery cover plate according to the present invention;

fig. 2 is a schematic view of the overall structure provided by the embodiment of the battery cover plate of the present invention.

In the figure:

1. a cover plate body; 11. the first pole is penetrated with a hole; 12. a circular blind hole; 13. strip-shaped blind holes; 14. accommodating grooves;

2. plastic is coated; 21. the second pole column penetrates through the hole; 22. a guide post;

3. an aluminum block; 31. a third pole is arranged in the hole;

4. a pole column;

5. plastic is discharged; 51. mounting holes;

6. a seal member;

7. an explosion-proof valve assembly; 71. an explosion-proof valve body; 72. explosion-proof valve paster.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The embodiment provides a battery cover plate, relate to battery technical field, as shown in fig. 1 and fig. 2, battery cover plate includes apron body 1 and last plastic 2, be provided with first utmost point post wearing to establish hole 11 on the apron body 1, wear to establish the protruding a plurality of circular blind holes 12 and the bar blind hole 13 that is equipped with of hole 11 circumference along first utmost point post, it is provided with second utmost point post wearing to establish hole 21 to go up plastic 2 corresponding first utmost point post wearing to establish hole 11, wear to establish the protruding a plurality of guide pillars 22 that are equipped with of hole 21 circumference along the second utmost point post, a plurality of guide pillars 22 one-to-one butt in circular blind hole 12 and bar blind hole 13.

The battery cover plate that this embodiment provided will go up plastic 2 and set up the upside at apron body 1, through setting up guide pillar 22 on last plastic 2, makes guide pillar 22 one-to-one butt in circular blind hole 12 and bar blind hole 13, and at the rotatory in-process of utmost point post 4, thereby guide pillar 22 butt provides anti-revolving force in circular blind hole 12 and bar blind hole 13, has improved utmost point post 4's antitorque performance.

Preferably, the number of the blind holes provided in the present embodiment is four, including two circular blind holes 12 and two strip-shaped blind holes 13, and the four blind holes are respectively and uniformly distributed along the circumferential direction of the first pole penetrating hole 11. If only set up four circular blind holes 12, in the apron preparation, because the cooperation required precision of four round hole blind holes 12 is too high (the machining precision is 0.1mm), can lead to going up plastic 2 and be difficult for changeing the circular blind hole 12 of joining in marriage, this embodiment is through setting up the position of plastic 2 in two circular blind holes 12 guarantees, set up two bar blind holes 13 again (the machining precision is 0.2mm), bar blind hole 13 is when the revolving force, the anti revolving force that provides is the same with round hole blind hole 12, it is unchangeable both to have guaranteed anti revolving force, the cooperation precision of blind hole has been reduced again.

Preferably, the number of blind holes is not limited to four, and the circular blind holes 12 and the strip-shaped blind holes 13 are not necessarily equal. For example, in other embodiments, four blind holes may be provided, including one circular blind hole 12 and three blind strip holes 13, or one blind strip hole 13 and three circular blind holes 12. Preferably, the strip-shaped blind holes 13 are U-shaped blind holes.

Preferably, the strip-shaped blind hole 13 of the present embodiment includes two outer side surfaces disposed oppositely and two arc-shaped surfaces disposed oppositely, and two ends of the arc-shaped surfaces are respectively connected to end surfaces of the two outer side surfaces.

In this embodiment, set up a plurality of circular blind holes 12 and bar blind hole 13 on apron body 1, correspond on last plastic 2 and set up a plurality of guide pillars 22, in other embodiments, can set up a plurality of guide pillars 22 on the apron body, correspond on last plastic and set up a plurality of circular blind holes 12 and bar blind hole 13. The number represents at least one.

In particular, the blind strip-shaped holes 13 are arranged at any angle. In the present embodiment, the axial direction of the strip-shaped blind hole 13 is parallel or perpendicular to the axial direction of the cover plate body 1. In other embodiments, according to actual conditions, the setting angle of the blind strip-shaped holes 13 can be any angle, the setting angle of the blind strip-shaped holes 13 is different, and the provided anti-rotation force is also different.

Specifically, as shown in fig. 1 and fig. 2, in the present embodiment, two upper plastics 2 are provided, and the two upper plastics 2 are respectively provided with a first pole through hole 11.

Particularly, as shown in fig. 2, the battery cover plate further includes an aluminum block 3, and the aluminum block 3 abuts against a surface of the upper plastic 2 away from the cover plate body 1. Preferably, the number of the aluminum blocks 3 is two, the two aluminum blocks 3 are respectively abutted to the surfaces of the two upper plastic rubbers 2 far away from the cover plate body 1, and the two aluminum blocks 3 respectively form the anode and the cathode of the battery.

Specifically, as shown in fig. 2, the aluminum block 3 is provided with a third pole penetration hole 31 corresponding to the second pole penetration hole 21. The third pole penetrating hole 31 is formed in the aluminum block 3, and the pole 4 penetrates through the third pole penetrating hole 31, so that the pole 4 and the aluminum block 3 are connected, and the positive and negative poles of the battery are in contact with the pole 4.

In particular, as shown in fig. 2, the motor cover plate further includes a pole 4, the pole 4 is sequentially inserted into the first pole insertion hole 11, the second pole insertion hole 21 and the third pole insertion hole 31, so that the pole 4 is partially disposed outside the aluminum block 3. In this embodiment, utmost point post 4 is provided with two, including anodal utmost point post and negative pole post, anodal utmost point post and negative pole post wear to establish respectively that the first utmost point post that corresponds wears to establish hole 11, second utmost point post wears to establish hole 21 and third utmost point post and wears to establish hole 31, apron body 1 in this embodiment, go up plastic 2 and the mutual butt of aluminium pig 3.

Particularly, as shown in fig. 2, the battery cover plate further includes a lower plastic 5, and the lower plastic 5 is correspondingly disposed on a side of the cover plate body 1 away from the upper plastic 2. In this embodiment, the size of the lower plastic 5 is the same as that of the cover plate body 1, the upper plastic 2 is disposed on the upper side of the cover plate body 1, and the lower plastic 5 is correspondingly disposed on the lower side of the cover plate body 1, so that the cover plate body 1 is sandwiched by the upper plastic 2 and the lower plastic 5.

In particular, as shown in fig. 2, the battery cover plate further includes a sealing member 6, the lower plastic 5 is provided with a mounting hole 51 corresponding to the pole 4, the pole 4 is arranged through the mounting hole 51, and the sealing member 6 is used for sealing a gap between the inner wall of the mounting hole 51 and the outer wall of the pole 4. Set up mounting hole 51 on plastic 5 down, utmost point post 4 wears to locate mounting hole 51, first utmost point post wearing and tearing hole 11, second utmost point post wearing and tearing hole 21 and third utmost point post wearing and tearing hole 31 in proper order, seals the clearance between mounting hole 51 inner wall and the 4 outer walls of utmost point post through setting up sealing member 6. Preferably, the seal 6 is a sealing rubber ring.

In particular, as shown in fig. 2, the battery cover plate further includes an explosion-proof valve assembly 7, and a receiving groove 14 is provided on the cover plate body 1, and the receiving groove 14 is used for receiving the explosion-proof valve assembly 7. Through set up explosion-proof valve subassembly 7 on battery apron, prevent that the battery from exploding, injury user's personal safety has strengthened the security that the battery used. Preferably, a space for accommodating the explosion-proof valve assembly 7 is correspondingly provided on the lower plastic 5 corresponding to the accommodating groove 14.

Specifically, as shown in fig. 2, the explosion-proof valve assembly 7 includes an explosion-proof valve body 71 and an explosion-proof valve patch 72 provided on the explosion-proof valve body 71. The explosion-proof valve patch 72 is arranged on the explosion-proof valve body 71, and the explosion-proof valve body 71 is arranged in the accommodating groove 14, so that the structure is simple, and the implementation is convenient.

The embodiment also provides a battery, which comprises a battery shell and the battery cover plate, wherein an opening is formed in the battery shell, and the cover plate body 1 is used for sealing the opening. The battery shell of the embodiment is open, so that the cover plate body 1 is closed at the opening of the battery shell, and the sealing performance of the battery structure is ensured.

In the description of the present embodiments, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A battery cover plate, comprising:

the cover plate comprises a cover plate body (1), wherein a first pole penetrating hole (11) is formed in the cover plate body (1), and a plurality of round blind holes (12) and strip blind holes (13) are arranged in a protruding mode along the circumferential direction of the first pole penetrating hole (11);

go up plastic (2), go up plastic (2) correspond first utmost point post wearing hole (11) and be provided with second utmost point post wearing hole (21), follow second utmost point post wearing hole (21) circumference protruding a plurality of guide pillars (22), a plurality of guide pillar (22) one-to-one butt in circular blind hole (12) with bar blind hole (13).

2. The battery cover plate according to claim 1, further comprising an aluminum block (3), wherein the aluminum block (3) abuts against a surface of the upper plastic (2) away from the cover plate body (1).

3. The battery cover plate according to claim 2, wherein the aluminum block (3) is provided with a third pole through hole (31) corresponding to the second pole through hole (21).

4. The battery cover plate according to claim 3, further comprising a pole (4), wherein the pole (4) is sequentially arranged in the first pole through hole (11), the second pole through hole (21) and the third pole through hole (31) in a penetrating manner, so that the pole (4) is partially arranged outside the aluminum block (3).

5. The battery cover plate according to claim 4, further comprising a lower plastic (5), wherein the lower plastic (5) is correspondingly disposed on a side of the cover plate body (1) away from the upper plastic (2).

6. The battery cover plate according to claim 5, further comprising a sealing element (6), wherein the lower plastic (5) is provided with a mounting hole (51) corresponding to the pole (4), the pole (4) is arranged in the mounting hole (51) in a penetrating manner, and the sealing element (6) is used for sealing a gap between the inner wall of the mounting hole (51) and the outer wall of the pole (4).

7. The battery cover plate according to claim 1, further comprising an explosion-proof valve assembly (7), wherein the cover plate body (1) is provided with a receiving groove (14), and the receiving groove (14) is used for receiving the explosion-proof valve assembly (7).

8. The battery cover plate according to claim 7, wherein the explosion-proof valve assembly (7) comprises an explosion-proof valve body (71) and an explosion-proof valve patch (72) provided on the explosion-proof valve body (71).

9. The battery cover plate according to claim 1, wherein the strip-shaped blind holes (13) are arranged at any angle.

10. A battery, characterized in that it comprises a battery case and a battery cover plate according to any one of claims 1 to 9, the battery case is provided with an opening, and the cover plate body (1) is used for closing the opening.