CN214848806U

CN214848806U - Power lithium ion battery aluminum shell cover plate

Info

Publication number: CN214848806U
Application number: CN202120817119.3U
Authority: CN
Inventors: 江海珠
Original assignee: Huizhou Youbang Technology Co ltd
Current assignee: Huizhou Youbang Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-23
Anticipated expiration: 2031-04-21

Abstract

The utility model relates to a battery field, concretely relates to power lithium ion battery aluminum hull apron. Including the apron body, be provided with two insulating cover on the apron body, all be fixed with utmost point post in the insulating cover, be fixed with the upper cover ring on the insulating cover of apron body top, the cover is equipped with the lower cover ring on the insulating cover of apron body below, the cover is equipped with the top cover on the insulating cover lower extreme, the top cover upper end tightly supports the lower cover ring, the trompil has been seted up on the top cover bottom plate, the bolt runs through trompil and utmost point post lower extreme threaded connection, the nut of bolt tightly supports the top cover bottom plate, the rectangular channel has been seted up on the top cover lateral wall, the lead sheet runs through the rectangular channel, the through-hole has been seted up on the lead sheet in the top cover, the bolt runs through the through-hole, be fixed with the apical ring on the bolt in the apical ring, apical ring and utmost point post lower extreme tightly support the lead sheet. The utility model discloses, simple structure, it is convenient to connect, can improve lithium ion battery's life, convenient assembly, and is with low costs, and sealing performance is good, can improve production efficiency.

Description

Power lithium ion battery aluminum shell cover plate

Technical Field

The utility model relates to a battery field, concretely relates to power lithium ion battery aluminum hull apron.

Background

The power lithium ion battery is a power supply for providing a power source, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. The power battery is generally packaged by an aluminum shell, has the characteristics of small volume, light weight, strong electric quantity, no memory, environmental protection and the like, and is widely applied at present.

The pole mounting structure on the existing lithium ion battery aluminum shell cover plate is complex, the sealing performance is poor, part of the cover plate is fixedly mounted with the pole in a welding connection mode, but the welding quality cannot be guaranteed, the leakage condition often occurs, the welding connection time is long, the cost is high, the potential safety hazard is easily generated, and the service life of the lithium ion battery is also shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure, it is convenient to connect, can improve lithium ion battery's life, convenient assembly, with low costs, power lithium ion battery aluminum hull apron that sealing performance is good.

In order to realize the purpose, the utility model provides a technical scheme is:

the utility model provides a power lithium ion battery aluminum hull apron, which comprises an apron body, be provided with the insulating cover of two bilateral symmetry on the apron body, the insulating cover runs through the apron body, all be fixed with utmost point post in the insulating cover, utmost point post runs through the insulating cover, be fixed with the upper cover ring on the insulating cover of apron body top, the cover is equipped with the lower cover ring on the insulating cover of apron body below, upper cover ring and lower cover ring are respectively through last sealing ring and lower sealing ring and apron body sealing connection, the cover is equipped with the top cover on the insulating cover lower extreme, the top cover upper end tightly supports the lower cover ring, seted up the trompil on the top cover bottom plate, the bolt runs through behind the trompil with utmost point post lower extreme threaded connection, the nut of bolt tightly supports the top cover bottom plate, the rectangular channel has been seted up on the top cover lateral wall, the leader runs through-hole has been seted up on the leader in the top cover, the bolt runs through-hole, be fixed with the leader on the bolt in the top cover, the leader and the leader tightly supports the leader under ring and.

Specifically, an upper ring groove is formed in the lower end face of the upper cover ring, the upper sealing ring is mounted in the upper ring groove, a lower ring groove is formed in the upper end face of the lower cover ring, and the lower sealing ring is mounted in the lower ring groove.

Specifically, the inner edge of the side wall of the top sleeve is in sliding contact with the outer edge of the insulating sleeve.

Specifically, the left end and the right end of the guide piece are in sliding contact with the left groove wall and the right groove wall of the rectangular groove.

Specifically, the inner edge of the lower cover ring is in sliding contact with the outer edge of the insulating sleeve.

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

the utility model discloses, simple structure, it is convenient to connect, can improve lithium ion battery's life, convenient assembly, and is with low costs, and sealing performance is good, can improve production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the top cover.

Fig. 3 is a top view of a clip.

Detailed Description

As shown in fig. 1-3, a power lithium ion battery aluminum shell cover plate comprises a cover plate body 1, wherein two insulation sleeves 2 which are bilaterally symmetrical are arranged on the cover plate body 1, the insulation sleeves 2 penetrate through the cover plate body 1, the insulation sleeves 2 are internally and fixedly provided with terminal posts 3, the terminal posts 3 penetrate through the insulation sleeves 2, an upper cover ring 4 is fixed on the insulation sleeve 2 above the cover plate body 1, a lower cover ring 6 is sleeved on the insulation sleeve 2 below the cover plate body 1, the inner edge of the lower cover ring 6 is in sliding contact with the outer edge of the insulation sleeve 2, the upper cover ring 4 and the lower cover ring 6 are respectively in sealing connection with the cover plate body 1 through an upper sealing ring 5 and a lower sealing ring 7, an upper ring groove is formed on the lower end face of the upper cover ring 4, the upper sealing ring 5 is arranged in the upper ring groove, a lower ring groove is formed on the upper end face of the lower cover ring 6, and the lower sealing ring 7 is arranged in the lower ring groove.

The cover is equipped with the top cover 8 on the 2 lower extremes of insulating cover, and the cover ring 6 is tightly supported down to 8 upper ends of top cover, 8 lateral wall inner edges of top cover and the 2 outer fringe sliding contact of insulating cover have seted up trompil 14 on the 8 bottom plates of top cover, and bolt 12 runs through behind the trompil 14 with 3 lower extreme threaded connection of utmost point post, and the nut of bolt 12 tightly supports top cover 8 bottom plates.

The rectangular channel 9 has been seted up on the 8 lateral walls in top cover, draws piece 10 to run through rectangular channel 9, draw piece 10 about both ends and rectangular channel 9 about cell wall sliding contact, seted up through-hole 13 on drawing piece 10 in the top cover 8, bolt 12 runs through-hole 13, is fixed with apical ring 11 on the bolt 12 in the top cover 8, and

apical ring

11 and 3 lower extremes of utmost point post tightly support and draw piece 10.

When the pole 3 is assembled, the insulating sleeve 2 penetrates through the cover plate body 1, then the lower end of the insulating sleeve 2 penetrates through the lower cover ring 6, the top sleeve 8 is sleeved on the lower end of the insulating sleeve 2, then the guide sheet 10 penetrates through the rectangular groove 9, the through hole 13 on the guide sheet 10 is concentric with the open hole 14 on the bottom plate of the top sleeve 8, the bolt 12 penetrates through the open hole 14 and the through hole 13, the bolt 12 is rotated to be in threaded connection with the lower end of the pole 3, the nut of the bolt 12 enables the lower cover ring 6 to tightly abut against the lower end of the cover plate body 1 through the top sleeve 8, the upper cover ring 4 tightly abuts against the lower end of the cover plate body 1, meanwhile, the guide sheet 10 is clamped by the upper ring 11 and the lower end of the pole 3, the pole 3 is installed, the upper cover ring 4 and the lower cover ring 6 are respectively in sealed connection with the cover plate body 1 through the upper sealing ring 5 and the lower sealing ring 7, the upper sealing ring 5 and the lower sealing ring 7 are positioned in the upper ring groove and the lower ring groove, the upper seal ring 5 and the lower seal ring 7 can be effectively protected. The utility model discloses, simple structure, it is convenient to connect, can improve lithium ion battery's life, convenient assembly, and is with low costs, and sealing performance is good, can improve production efficiency.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A power lithium ion battery aluminum shell cover plate comprises a cover plate body and is characterized in that two insulation sleeves which are bilaterally symmetrical are arranged on the cover plate body, the insulation sleeves penetrate through the cover plate body, a pole post is fixed in each insulation sleeve, the pole post penetrates through the insulation sleeves, an upper cover ring is fixed on each insulation sleeve above the cover plate body, a lower cover ring is sleeved on each insulation sleeve below the cover plate body, the upper cover ring and the lower cover ring are respectively connected with the cover plate body in a sealing mode through an upper sealing ring and a lower sealing ring, a top sleeve is sleeved on the lower end of each insulation sleeve, the upper end of each top sleeve tightly abuts against the corresponding lower cover ring, an opening is formed in a bottom plate of each top sleeve, a bolt penetrates through the opening and is in threaded connection with the lower end of the pole post, a nut of the bolt tightly abuts against a bottom plate of each top sleeve, a rectangular groove is formed in the side wall of each top sleeve, a guide piece penetrates through hole is formed in a guide piece in the top sleeve, the bolt penetrates through hole, a top ring is fixed on the bolt in the top sleeve, the lower ends of the top ring and the pole are tightly abutted against the guide sheet.

2. The power lithium ion battery aluminum shell cover plate of claim 1, wherein an upper ring groove is formed on the lower end surface of the upper cover ring, the upper sealing ring is installed in the upper ring groove, a lower ring groove is formed on the upper end surface of the lower cover ring, and the lower sealing ring is installed in the lower ring groove.

3. The aluminum shell cover plate for the power lithium ion battery of claim 1, wherein the inner edge of the side wall of the top sleeve is in sliding contact with the outer edge of the insulating sleeve.

4. The aluminum shell cover plate for a lithium ion battery according to claim 1, wherein the left and right ends of the tab are in sliding contact with the left and right walls of the rectangular groove.

5. The aluminum shell cover plate for a lithium ion battery according to claim 1, wherein the inner edge of the lower cover ring is in sliding contact with the outer edge of the insulating sleeve.