CN212625722U

CN212625722U - Lithium ion storage battery not prone to leakage

Info

Publication number: CN212625722U
Application number: CN202021688362.1U
Authority: CN
Inventors: 聂志明; 万里城
Original assignee: Jiangxi Dixin Energy Technology Co ltd
Current assignee: Jiangxi Dixin Energy Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-02-26
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a lithium ion battery which is not easy to leak, comprising an antirust base, the top of the antirust base is connected with a battery shell, the top of the battery shell is connected with a sealing plate, the battery shell comprises an inner shell and an outer shell, a damping component is arranged between the inner shell and the outer shell, one end of the damping component is connected with a supporting plate, the other end of the damping component is connected with a heat conducting sheet, the inner cavity of the inner shell is provided with a battery component, a baffle is arranged between the battery components, the baffle is equidistantly arranged in the inner shell, the utility model can improve the sealing performance of the battery by arranging the inner shell and the outer shell, and simultaneously, when the battery shell is impacted, the outer shell drives the supporting plate and a buffer rod to move backwards, so that a spring in a sleeve is compressed to play the role of buffering and damping, even if the outer case is deformed, the sealing performance of the battery is not affected.

Description

Lithium ion storage battery not prone to leakage

Technical Field

The utility model relates to a lithium ion battery that is difficult for revealing belongs to lithium ion battery technical field.

Background

The lithium ion battery is a commonly used battery at present and has the advantages of high output voltage, high energy density, safety, good cyclicity, low self-discharge rate, rapid charge and discharge, high charging efficiency and the like, and the lithium ion battery comprises an anode, a diaphragm, a cathode, an organic electrolyte and a battery shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium ion battery which is not easy to leak, the sealing performance of the battery can be improved by arranging an inner shell and an outer shell, simultaneously, a damping component is arranged between the inner shell and the outer shell, when the battery shell is impacted, the outer shell drives a support plate and a buffer rod to move backwards, so that a spring in a sleeve is compressed to play a role of buffering and damping, even if the outer shell is deformed, the sealing performance of the battery can not be influenced, a heat conducting sheet is arranged at the joint of the damping component and the inner shell, the heat can be transferred between the inner shell and the outer shell through the heat conducting sheet, then the heat is radiated through vents at the two sides of the outer shell, the heat of the battery is convenient to radiate, a clamping block at the bottom of the sealing plate is clamped between the inner shell and the outer shell through a sealing plate and a sealing gasket which are arranged at the top of the, make the closing plate compress tightly battery pack through sealed the pad, prevent that it from rocking, avoid its vibrations after flatulence to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lithium ion battery that is difficult for revealing, includes rust-resistant base, rust-resistant base's top is connected with battery case, battery case's top is connected with the closing plate, battery case includes interior casing and shell body, be equipped with damper between interior casing and the shell body, damper's one end is connected with the backup pad, damper's the other end is connected with the conducting strip, the inner chamber of interior casing is equipped with battery pack, be equipped with the baffle between the battery pack, the baffle equidistance is established in the interior casing including, be equipped with on the inner wall of interior casing and prevent leaking the pad, the both sides of shell body are equipped with the vent, the top in the shell body.

Further, the bottom fixedly connected with fixture block of closing plate, the fixture block joint is between interior casing and shell body.

Further, threaded holes are formed in two sides of the outer shell, bolts are connected in the threaded holes, and the bolts penetrate through the outer shell and are connected with the clamping blocks on the inner shell.

Further, damper unit includes buffer beam, clamp plate, spring and sleeve, the one end of buffer beam is connected with the clamp plate, the clamp plate is established in the sleeve, the spring is established between clamp plate and telescopic inner chamber bottom.

Further, the backup pad is established between buffer beam and shell body, the conducting strip is established between sleeve and interior casing.

Furthermore, the bottom of the sealing plate is connected with a sealing gasket, and the sealing gasket is pressed on the top of the battery component.

The utility model has the advantages that:

1. the sealing performance of the storage battery can be improved by arranging the inner shell and the outer shell, and meanwhile, the damping assembly is arranged between the inner shell and the outer shell, when the battery shell is impacted, the outer shell drives the supporting plate and the buffer rod to move backwards, so that the spring in the sleeve is compressed, the buffering and damping effects are realized, and the sealing performance of the battery cannot be influenced even if the outer shell is deformed;

2. the heat conducting fins are arranged at the connecting positions of the damping assemblies and the inner shell, so that heat can be transferred between the inner shell and the outer shell through the heat conducting fins, and then heat dissipation is carried out through the ventilation openings at the two sides of the outer shell, and the heat dissipation of the storage battery is facilitated;

3. be equipped with the closing plate and seal up through the top at battery case, with the fixture block joint of closing plate bottom between interior casing and shell body, then pass the position of screw hole pair closing plate through the bolt and fix for the closing plate compresses tightly battery pack through sealed the pad, prevents it and rocks, avoids flatulence behind its vibrations.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic diagram of the overall structure of a lithium ion battery not prone to leakage according to the present invention;

fig. 2 is a schematic diagram of the internal structure of a lithium ion battery not prone to leakage according to the present invention;

fig. 3 is a cross-sectional view of a lithium ion battery of the present invention that is not susceptible to leakage;

fig. 4 is a schematic structural diagram of a shock-absorbing assembly of a lithium ion battery not prone to leakage according to the present invention;

reference numbers in the figures: 1. an antirust base; 2. a battery case; 3. a sealing plate; 4. an inner housing; 5. an outer housing; 6. a shock absorbing assembly; 7. a support plate; 8. a heat conductive sheet; 9. a battery assembly; 10. a partition plate; 11. a leakage prevention pad; 12. a vent; 13. a clamping block; 14. a threaded hole; 15. a buffer rod; 16. pressing a plate; 17. a spring; 18. a sleeve; 19. and a gasket.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a lithium ion storage battery difficult to leak comprises an antirust base 1 and plays a supporting role, the top of the antirust base 1 is connected with a battery shell 2, the top of the battery shell 2 is connected with a sealing plate 3, the battery shell 2 comprises an inner shell 4 and an outer shell 5, a damping component 6 is arranged between the inner shell 4 and the outer shell 5 to improve the shock resistance and the collision resistance of the battery, one end of the damping component 6 is connected with a supporting plate 7, the other end of the damping component 6 is connected with a heat conducting sheet 8, an inner cavity of the inner shell 4 is provided with a battery component 9, a partition plate 10 is arranged between the battery components 9, the partition plate 10 is equidistantly arranged in the inner shell 4, a leakage-proof pad 11 is arranged on the inner wall of the inner shell 4 to play a certain blocking role when the battery leaks, two sides of the outer shell 5 are provided with vent holes 12, the vent holes 12 are arranged, through 8 with heat transfer to between interior casing 4 and the shell body 5 of conducting strip, then dispel the heat through the vent 12 of shell body 5 both sides, the battery of being convenient for dispels the heat, vent 12 is established on the top, and liquid flows out shell body 5 easily when can preventing the battery from revealing.

Specifically, as shown in fig. 1, threaded holes 14 are formed in two sides of the outer shell 5, bolts are connected in the threaded holes 14, the bolts penetrate through the outer shell 5 and the fixture blocks 13 to be connected to the inner shell 4, and the bolts penetrate through the threaded holes 14 to fix the position of the sealing plate 3.

Specifically, as shown in fig. 2, the bottom fixedly connected with fixture block 13 of closing plate 3, fixture block 13 joint can be connected closing plate 3 and battery case 2 between interior casing 4 and shell body 5, the bottom of closing plate 3 is connected with sealed 19, sealed 19 covers at battery pack 9's top, and after closing plate 3 was fixed, closing plate 3 compressed tightly battery pack 9 through sealed 19, prevented that it from rocking, avoided flatulence behind its vibrations.

Specifically, as shown in fig. 3, the support plate 7 is arranged between the buffer rod 15 and the outer shell 5, the support plate 7 is arranged between the damping assembly 6 and the outer shell 5, so that the toughness of the outer shell 5 can be improved, the outer shell 5 is prevented from being easily deformed, the heat conducting fins 8 are arranged between the sleeve 18 and the inner shell 4, the heat conducting fins 8 are arranged at the joints of the damping assembly 6 and the inner shell 4, heat can be transferred between the inner shell 4 and the outer shell 5 through the heat conducting fins 8, then the heat is dissipated through the ventilation openings 12 on two sides of the outer shell 5, and the heat dissipation of the storage battery is facilitated.

Specifically, as shown in fig. 4, the shock-absorbing component 6 includes a buffer rod 15, a pressing plate 16, a spring 17 and a sleeve 18, one end of the buffer rod 15 is connected with the pressing plate 16, the pressing plate 16 is arranged in the sleeve 18, the spring 17 is arranged between the pressing plate 16 and the bottom of the inner cavity of the sleeve 18, when the battery shell 2 is impacted, the outer shell 5 drives the supporting plate 7 and the buffer rod 15 to move backwards, so that the spring 17 in the sleeve 18 is compressed to play a role in buffering and shock absorption, and even if the outer shell 5 deforms, the sealing performance of the battery cannot be influenced.

The utility model discloses the theory of operation: when the storage battery is installed, the battery assembly 9 is installed in the inner shell 4 and is separated by the partition plate 10, the clamping block 13 at the bottom of the sealing plate 3 is clamped between the inner shell 4 and the outer shell 5, then the bolt penetrates through the threaded hole 14 to fix the position of the sealing plate 3, so that the sealing plate 3 compresses the battery assembly 9 through the sealing gasket 19 to prevent the battery assembly from shaking, and the battery assembly is prevented from expanding after shaking, through arranging the damping component 6 between the inner shell 4 and the outer shell 5, when the battery shell 2 is impacted, the outer shell 5 drives the supporting plate 7 and the buffer rod 15 to move backwards, so that the spring 17 in the sleeve 18 is compressed to play a role of buffering and damping, even if the outer shell 5 is deformed, the sealing performance of the battery is not influenced, through arranging the heat conducting sheet 8 at the joint of the damping component 6 and the inner shell 4, heat can be transferred between the inner shell 4 and the, then dispel the heat through the vent 12 of shell body 5 both sides, the battery of being convenient for dispels the heat, through be equipped with backup pad 7 between damper unit 6 and shell body 5, can improve shell body 5's toughness, prevents that shell body 5 from warping easily, the use of the battery of being convenient for.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a lithium ion battery who is difficult for revealing, includes rust-resistant base (1), its characterized in that: the top of the antirust base (1) is connected with a battery shell (2), the top of the battery shell (2) is connected with a sealing plate (3), the battery shell (2) comprises an inner shell (4) and an outer shell (5), a damping component (6) is arranged between the inner shell (4) and the outer shell (5), one end of the shock absorption component (6) is connected with a supporting plate (7), the other end of the shock absorption component (6) is connected with a heat conducting fin (8), the inner cavity of the inner shell (4) is provided with battery components (9), a clapboard (10) is arranged between the battery components (9), the partition plates (10) are equidistantly arranged in the inner shell (4), the inner wall of the inner shell (4) is provided with a leakage-proof pad (11), both sides of shell body (5) are equipped with vent (12), vent (12) are established on the top of shell body (5) both sides.

2. A lithium ion battery of claim 1, wherein: the bottom of the sealing plate (3) is fixedly connected with a clamping block (13), and the clamping block (13) is clamped between the inner shell (4) and the outer shell (5).

3. A lithium ion battery less prone to leakage according to claim 2, wherein: threaded holes (14) are formed in two sides of the outer shell (5), bolts are connected in the threaded holes (14), and the bolts penetrate through the outer shell (5) and the clamping blocks (13) to be connected onto the inner shell (4).

4. A lithium ion battery of claim 1, wherein: damping component (6) are including buffer beam (15), clamp plate (16), spring (17) and sleeve (18), the one end of buffer beam (15) is connected with clamp plate (16), establish in sleeve (18) clamp plate (16), spring (17) are established between the inner chamber bottom of clamp plate (16) and sleeve (18).

5. A lithium ion battery of claim 4, wherein the lithium ion battery further comprises: the supporting plate (7) is arranged between the buffer rod (15) and the outer shell (5), and the heat conducting fins (8) are arranged between the sleeve (18) and the inner shell (4).

6. A lithium ion battery of claim 1, wherein: the bottom of the sealing plate (3) is connected with a sealing gasket (19), and the sealing gasket (19) is pressed on the top of the battery component (9).