CN215299421U - Portable lithium battery shell - Google Patents

Abstract

The utility model relates to a portable lithium battery shell, belong to lithium battery technology field, it includes casing subassembly and lid subassembly and is used for the installing support of fixed lithium cell, lid subassembly and casing subassembly can fixed connection, the installing support is fixed in the cavity that casing subassembly and lid subassembly formed, casing subassembly includes casing body and a plurality of installation piece and waterproof recess, waterproof recess sets up in one side lateral wall of casing body towards lid subassembly, a plurality of installation pieces and casing body inner wall fixed connection, all be provided with first screw hole on a plurality of installation pieces, a plurality of first screw holes and installing support threaded connection. The lithium battery protection method has the effect of improving the protection performance of the lithium battery.

Description

Portable lithium battery shell

Technical Field

The application relates to the field of lithium batteries, in particular to a portable lithium battery shell.

Background

With the development of science and technology, lithium battery power supply has become the mainstream power supply mode at present. A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high.

At present, plastic packages for protecting lithium batteries are arranged outside most of lithium batteries, and positive and negative ports for outputting electric energy are arranged outside the plastic packages. When the lithium battery needs to be used, the anode and the cathode of the lithium battery are connected with the power supply of the external electricity utilization unit, so that the power supply of the external electricity utilization unit is realized.

Aiming at the related technologies, the service life of the lithium battery is affected due to the conditions of collision and the like during use, and the inventor thinks that the lithium battery has the defect of incomplete protection effect.

SUMMERY OF THE UTILITY MODEL

To help improve the protection of lithium batteries, the present application provides a portable lithium battery case.

The application provides a portable lithium battery shell adopts following technical scheme:

the utility model provides a portable lithium battery shell, includes casing subassembly and lid subassembly and is used for the installing support of fixed lithium cell, lid subassembly with casing subassembly can fixed connection, the installing support is fixed in the cavity that casing subassembly and lid subassembly formed, casing subassembly includes casing body and a plurality of installation piece and waterproof recess, waterproof recess set up in casing body is towards one side lateral wall of lid subassembly, and is a plurality of the installation piece with casing body inner wall fixed connection is a plurality of all be provided with first screw hole on the installation piece, and is a plurality of first screw hole with installing support threaded connection.

By adopting the technical scheme, the shell assembly is matched with the cover body assembly, the mounting bracket fixed with the lithium battery is sealed in the cavities of the shell assembly and the cover body assembly, and the service life of the lithium battery is prevented from being influenced by external rainwater and dust; meanwhile, the mounting block fixes the mounting bracket in the shell body, so that the effect of improving the protection performance of the lithium battery is achieved; the water-proof tank prevents that external water stain from entering into this internally of casing, has further played waterproof effect to further improved the protection effect to the lithium cell.

Optionally, one end of the side wall of the casing body, which is far away from the cover assembly, is provided with a plurality of fixing lugs, and a plurality of second threaded holes for fixing the casing assembly with the outside are formed in the plurality of fixing lugs.

Through adopting above-mentioned technical scheme, the setting of fixed lug is favorable to installing and fixing casing body, and second screw hole and screw cooperation prevent that casing body from taking place to collide with casing body and treating stationary plane fixed connection, influence the performance that sets up in this internal lithium cell of casing, have further improved the protection effect to the lithium cell promptly again.

Optionally, the cover assembly comprises a cover body and a water retaining member arranged outside the positive and negative electrode ports, the water retaining member is in limit clamping connection with the cover body, the water retaining member comprises a plurality of limit columns and a first water retaining plate, the first water retaining plate is arranged above the positive and negative electrode ports, the limit columns are fixed on one side, facing the positive and negative electrode ports, of the first water retaining plate, the cover body is correspondingly provided with a plurality of limit holes, a hasp is fixed on one side, close to the edge of the cover body, of the first water retaining plate, and the hasp is buckled with the edge of the cover body.

By adopting the technical scheme, the first water baffle is arranged above the positive and negative ports, and when water stains fall down, the water stains are isolated from the positive and negative ports by the first water baffle, so that the safety of electricity utilization is improved; the first water baffle and the cover body are limited by the cooperation of the hasps and the cover body, so that the first water baffle is prevented from falling off and the water baffle component is convenient to disassemble.

Optionally, the cover body is connected to the housing body by screws, the water retaining member is further provided with a second water retaining plate, the second water retaining plate is disposed on one side of a screw joint of the cover body and the housing body, one end of the second water retaining plate is fixedly connected to the first water retaining plate, and the other end of the second water retaining plate faces the housing body.

By adopting the technical scheme, the cover body is in screw connection with the shell body, and when the lithium battery needs to be operated, the screw connection mode is convenient to disassemble and assemble; the setting of second baffle, the screw of conveniently locating with casing body screw to the lid body carries out the manger plate protection, and when water stain fell down, the second baffle was kept apart water stain and screw, had played rust-resistant effect of losing to the screw.

Optionally, the cover assembly further includes an exhaust member for exhausting gas in a cavity formed by the housing assembly and the cover assembly, the exhaust member includes a first groove and an exhaust valve, the first groove is disposed on the cover body, a mounting hole penetrating through the cover body is formed at the bottom of the first groove, and the exhaust valve is fixed on the cover body corresponding to the mounting hole.

By adopting the technical scheme, when the lithium battery generates heat, the gas in the cavity formed by the shell assembly and the cover body assembly can generate heat and expand, and after the gas expands to a certain degree, the shell body and the cover body can be extruded, so that danger is caused; the setting of exhaust component can in time be with the heating gas exhaust in the cavity that casing subassembly and lid subassembly formed, the effectual potential safety hazard that has reduced.

Optionally, the exhaust valve is a one-way exhaust valve.

Through adopting above-mentioned technical scheme, to one-way discharge valve's setting, can only be the gaseous emission in the cavity that casing subassembly and lid subassembly formed, in external gas can't enter into the cavity, the effectual moist air that has prevented from the external world influences the life of casing body and lithium cell, has prevented simultaneously that water stain from flowing into in the cavity, has improved the safety in utilization of lithium cell.

Optionally, be fixed with the monitoring subassembly on the lid subassembly, the monitoring subassembly is including being used for carrying out the monitoring panel and the fin that monitor to lithium cell electric quantity, the monitoring panel with the fin all is fixed in on the lid body towards one side of casing body, the fin is located on the lid body of monitoring panel orientation.

Through adopting above-mentioned technical scheme, the monitoring subassembly can be used for looking over the electric quantity information of lithium cell, and convenience of customers in time charges the lithium cell, is convenient for carry out the charge-discharge management. Because the monitoring subassembly has the heat production at the during operation, and the battery also has the heat production at the in-process of charge-discharge simultaneously, the setting of fin, the convenient heat that will monitor subassembly and battery production in time discharges, reduces the operating temperature of monitoring subassembly and battery, improves the life of monitoring subassembly and battery.

Optionally, the lid subassembly is still including the handle component that is used for carrying and draws, the handle component includes handle body and spacing recess, spacing recess sets up on the lid body, the handle body corresponds spacing recess setting, be equipped with a plurality of joint flanges on the spacing recess, it is a plurality of the joint flange is fixed in spacing recess inner wall, the handle body corresponds a plurality of joint flanges and is provided with a plurality of joint recesses, the joint flange with the joint recess can rotate and be connected.

Through adopting above-mentioned technical scheme, the handle body person of facilitating the use who sets up on the handle component carries and draws lithium cell casing, has improved the portability of lithium cell, and spacing recess corresponds the setting with the handle body simultaneously, when need not use the handle component, accomodates the handle body in spacing recess, has played the effect of being convenient for accomodate.

Optionally, a plurality of first protruding blocks are arranged on the groove wall of the limiting groove, a plurality of reinforcing pieces are arranged on the handle body corresponding to the first protruding blocks, the adjacent reinforcing pieces are connected with the first protruding blocks in a clamped mode, a plurality of second protruding blocks are arranged on the groove wall of the other side of the limiting groove, facing the first protruding blocks, of the limiting groove, and the second protruding blocks are abutted against the side wall of the handle body.

Through adopting above-mentioned technical scheme, in order to let the handle body of accomodating in spacing recess carry out spacing joint, the cooperation of a plurality of reinforcement pieces on the first lug that sets up on the spacing recess and the handle body, with handle body joint on spacing recess, contradict handle body lateral wall and second lug, joint and conflict mode cooperation, when need not use the handle body, with the handle body spacing in spacing recess.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the shell assembly and the cover assembly, the mounting bracket fixed with the lithium battery can be sealed in the cavities of the shell assembly and the cover assembly, so that the effect of improving the protection performance of the lithium battery is achieved;

2. the first water baffle and the second water baffle are arranged, so that water stains can be prevented from contacting with the positive and negative terminals and the screws, and the effects of improving the safety of electricity utilization and preventing corrosion are achieved;

3. through the setting to discharge valve, can in time discharge the air that the lithium cell during operation heated expansion, produce and reduce the potential safety hazard to and further improve the effect of the safety in utilization of lithium cell.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of the overall structure of an embodiment of the present application;

FIG. 3 is an enlarged view of section A of FIG. 2 in accordance with an embodiment of the present application;

fig. 4 is a partial structural schematic diagram of an embodiment of the present application.

Description of reference numerals: 1. a housing assembly; 11. a housing body; 12. a waterproof groove; 13. mounting blocks; 131. a first threaded hole; 14. fixing the bump; 141. a second threaded hole; 2. mounting a bracket; 3. a cover assembly; 31. a cover body; 311. a limiting hole; 32. a water retaining member; 321. a first water baffle; 322. a limiting column; 323. a hasp; 324. a second water baffle; 33. an exhaust member; 331. a first groove; 3311. mounting holes; 332. an exhaust valve; 34. a handle member; 341. a handle body; 3411. clamping the groove; 3412. a reinforcing sheet; 342. a limiting groove; 3421. clamping the flanges; 3422. a first bump; 3423. a second bump; 3424. a second groove; 4. a monitoring component; 41. monitoring a panel; 42. and a heat sink.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses portable lithium battery shell. Referring to fig. 1 and 2, the lithium battery shell comprises a shell assembly 1, a cover assembly 3 and a mounting bracket 2 for fixing the lithium battery, wherein the cover assembly 3 and the shell assembly 1 can be fixedly connected, and the mounting bracket 2 is fixed in a cavity formed by the shell assembly 1 and the cover assembly 3, so that the service life of the lithium battery is prevented from being influenced by external rainwater and dust; the shell assembly 1 comprises a shell body 11, a plurality of mounting blocks 13 and a waterproof groove 12, the waterproof groove 12 is formed in one side wall, facing the cover body assembly 3, of the shell body 11, the mounting blocks 13 are fixedly connected with the inner wall of the shell body 11, a plurality of threaded holes 131 are formed in the mounting blocks 13, and the first threaded holes 131 are in threaded connection with the mounting support 2. The mounting block 13 fixes the mounting bracket 2 in the shell body 11, and has the effect of improving the protection performance of the lithium battery; the waterproof groove prevents that external water stain from entering into casing body 11 in, has further played waterproof effect to further improved the protection effect to the lithium cell.

Referring to fig. 2, in order to fix the lithium battery case, a plurality of fixing protrusions 14 are disposed at one end of the side wall of the case body 11 away from the cover assembly 3, and a plurality of second screw holes 141 for fixing the case assembly 1 to the outside are disposed on each of the plurality of fixing protrusions 14. In this application, fixed lug 14 is preferred two, the symmetry sets up respectively on housing body 11's both sides lateral wall, and second screw hole 141 is preferred four, and four two bisymmetry settings of second screw hole 141 are on two fixed lugs 14, and second screw hole 141 and screw cooperation, with housing body 11 with treat stationary plane fixed connection, prevent that housing body 11 from taking place to collide with, influence the performance that sets up the lithium cell in housing body 11, have further improved the protection effect to the lithium cell again promptly.

Referring to fig. 2, in order to reduce the electrical safety generated by water stains on the positive and negative electrode ports, the cover assembly 3 includes a cover body 31 and a water blocking member 32 disposed outside the positive and negative electrode ports, the water blocking member 32 is in limit clamping connection with the cover body 31, the water blocking member 32 includes a plurality of limit posts 322 and a first water blocking plate 321, the first water blocking plate 321 is disposed above the positive and negative electrode ports, the limit posts 322 are fixed on one side of the first water blocking plate 321 facing the positive and negative electrode ports, a plurality of limit holes 311 are disposed on the cover body 31 corresponding to the plurality of limit posts 322, a hasp 323 is fixed on one side of the first water blocking plate 321 close to the edge of the cover body 31, and the hasp 323 is buckled with the edge of the cover body 31. The first water baffle 321 is arranged above the positive and negative ports, and when water stains fall down, the water stains are isolated from the positive and negative ports by the first water baffle 321, so that the safety of electricity utilization is improved; the plurality of limiting columns 322 are matched with the limiting holes 311, in the application, the number of the limiting columns 322 is preferably two, and the number of the limiting holes 311 is two correspondingly. The hasp 323 is matched with the cover body 31 to limit the first water baffle 321 and the cover body 31, so that the first water baffle 321 is prevented from falling off, and the water baffle member 32 is convenient to detach.

Referring to fig. 2, in order to further reduce the influence of water stain on the lithium battery case, the cover body 31 is connected to the case body 11 by screws, the water blocking member 32 is further provided with a second water blocking plate 324, the second water blocking plate 324 is disposed at one side of the screw connection between the cover body 31 and the case body 11, one end of the second water blocking plate 324 is fixedly connected to the first water blocking plate 321, and the other end of the second water blocking plate is abutted to the case body 11. The cover body 31 is in screw connection with the shell body 11, and when the lithium battery needs to be operated, the screw connection mode is convenient to detach and install; when water stain falls, the second baffle keeps apart water stain and screw, carries out water retaining protection to the screw of lid body 31 and 11 screw connections of casing body, has played rust-resistant effect of losing to the screw.

Referring to fig. 2, when the lithium battery generates heat, the gas in the cavity formed by the shell assembly 1 and the cover assembly 3 may generate heat and expand, and when the gas expands to a certain extent, the gas may extrude the shell body 11 and the cover body 31, which may cause danger; the lid assembly 3 further includes an exhaust member 33 for exhausting gas in a cavity formed by the housing assembly 1 and the lid assembly 3, the exhaust member 33 includes a first groove 331 and an exhaust valve 332, the first groove 331 is disposed on the lid body 31, a mounting hole 3311 penetrating through the lid body 31 is formed at the bottom of the first groove 331, and the exhaust valve 332 is fixed on the lid body 31 corresponding to the mounting hole 3311. The exhaust valve 332 can exhaust the heating gas in the cavity formed by the shell assembly 1 and the cover assembly 3 in time, so that the potential safety hazard is effectively reduced.

Referring to fig. 1 and 2, in order to prevent water stains from entering the inside of the lithium battery case through the air vent valve 332, the air vent valve 332 employs a one-way air vent valve. The gas in the cavity that casing assembly 1 and lid subassembly 3 formed can be discharged, and in the external gas can't enter into the cavity, the effectual moist air that has prevented from the external world influenced the life of casing body 11 and lithium cell, prevented simultaneously that water stain from flowing into in the cavity, improved the safety in utilization of lithium cell.

Referring to fig. 2 and 3, in order to improve the portability of the lithium battery shell, the cover body assembly 3 further includes a handle member 34 for lifting, the handle member 34 includes a handle body 341 and a limiting groove 342, the limiting groove 342 is disposed on the cover body 31, the handle body 341 is disposed corresponding to the limiting groove 342, a plurality of clamping flanges 3421 are disposed on the limiting groove 342, the plurality of clamping flanges 3421 are fixed on the inner wall of the limiting groove 342, the handle body 341 is disposed corresponding to the plurality of clamping flanges 3421 and is provided with a plurality of clamping grooves 3411, and the clamping flanges 3421 and the clamping grooves 3411 can be rotatably connected. The handle body 341 arranged on the handle component 34 facilitates a user to lift the lithium battery shell, improves the portability of the lithium battery shell, and the limiting groove 342 and the handle body 341 are correspondingly arranged, so that when the handle component 34 is not needed to be used, the handle body 341 is accommodated in the limiting groove 342, and the effect of convenient accommodation is achieved.

Referring to fig. 2 and 3, when the handle member 34 is needed to be used conveniently, the handle body 341 is moved out of the limiting groove 342, a second groove 3424 is formed in one side of the limiting groove 342, which is used for accommodating the handle body 341, one end of the bottom of the second groove 3424 is lower than the position of the handle body when the handle body is limited in the limiting groove 342, and when the handle body 341 needs to be moved out of the limiting groove 342, the handle body 341 is pulled along the second groove 3424.

Referring to fig. 2 and 3, in order to limit the handle body 341 conveniently, a plurality of first protrusions 3422 are disposed on a groove wall of the limiting groove 342, the handle body 341 is hollow, a plurality of reinforcing pieces 3412 are disposed corresponding to the first protrusions 3422 and spaced apart from each other in a direction perpendicular to the ground, the adjacent reinforcing pieces 3412 are clamped with the first protrusions 3422, a plurality of second protrusions 3423 are disposed on a groove wall of the limiting groove 342 facing the first protrusions 3422, and the second protrusions 3423 abut against a side wall of the handle body 341. In order to allow the handle body 341 accommodated in the limiting groove 342 to be clamped in a limiting manner, the first protruding block 3422 arranged on the limiting groove 342 is matched with the plurality of reinforcing pieces 3412 arranged on the handle body 341, the handle body 341 is clamped on the limiting groove 342, the side wall of the handle body 341 is abutted against the second protruding block 3423, the clamping is matched with the abutting manner, and when the handle body 341 is not required to be used, the handle body 341 is limited in the limiting groove 342.

Referring to fig. 4, in order to conveniently check the electric quantity of the lithium battery, the cover assembly 3 is fixed with the monitoring assembly 4, the monitoring assembly 4 includes a monitoring panel 41 and a heat sink 42 for monitoring the electric quantity of the lithium battery, the monitoring panel 41 and the heat sink 42 are both fixed on a side surface of the cover body 31 facing the housing body 11, and the heat sink 42 is located on the cover body 31 facing the monitoring panel 41. Monitoring component 4 can be used for looking over the electric quantity information of lithium cell, and convenience of customers in time charges the lithium cell, is convenient for carry out charge-discharge management. Because monitoring subassembly 4 has the heat production at the during operation, the battery also has the heat production at the in-process of charge-discharge simultaneously, and the fin 42 in time discharges the heat that monitoring subassembly 4 and battery produced, reduces the operating temperature of monitoring subassembly 4 and battery, improves the life of monitoring subassembly 4 and battery.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A portable lithium battery case characterized in that: including casing subassembly (1) and lid subassembly (3) and be used for fixed lithium cell installing support (2), lid subassembly (3) with casing subassembly (1) can fixed connection, installing support (2) are fixed in the cavity that casing subassembly (1) and lid subassembly (3) formed, casing subassembly (1) includes casing body (11) and a plurality of installation piece (13) and waterproof recess (12), waterproof recess (12) set up in casing body (11) are towards one side lateral wall of lid subassembly (3), and are a plurality of installation piece (13) with casing body (11) inner wall fixed connection, it is a plurality of all be provided with first screw hole (131) on installation piece (13), and is a plurality of first screw hole (131) with installing support (2) threaded connection.

2. The lithium battery hand-held casing of claim 1, wherein: one end, far away from the cover body assembly (3), of the side wall of the shell body (11) is provided with a plurality of fixing lugs (14), and a plurality of second threaded holes (141) used for fixing the shell assembly (1) with the outside are formed in the plurality of fixing lugs (14).

3. The lithium battery hand-held casing of claim 1, wherein: lid subassembly (3) include lid body (31) and set up in manger plate component (32) in the positive negative pole port outside, manger plate component (32) with the spacing joint of lid body (31), manger plate component (32) include many spacing post (322) and first breakwater (321), first breakwater (321) set up in positive negative pole port top, spacing post (322) are fixed in one side of first breakwater (321) towards positive negative pole port, it is many to correspond on lid body (31) spacing post (322) are provided with a plurality of spacing holes (311), one side that first breakwater (321) are close to lid body (31) edge is fixed with hasp (323), hasp (323) with lid body (31) edge lock.

4. A lithium battery hand-held casing as claimed in claim 3, wherein: the cover body (31) is in screw connection with the shell body (11), a second water baffle (324) is further arranged on the water baffle component (32), the second water baffle (324) is arranged on one side of the screw connection position of the cover body (31) and the shell body (11), one end of the second water baffle (324) is fixedly connected with the first water baffle (321), and the other end of the second water baffle faces towards the shell body (11).

5. A lithium battery hand-held casing as claimed in claim 3, wherein: the cover body assembly (3) further comprises a gas exhaust component (33) used for exhausting gas in a cavity formed by the shell body assembly (1) and the cover body assembly (3), the gas exhaust component (33) comprises a first groove (331) and a gas exhaust valve (332), the first groove (331) is arranged on the cover body (31), a mounting hole (3311) penetrating through the cover body (31) is formed in the bottom of the first groove (331), and the gas exhaust valve (332) is fixed on the cover body (31) corresponding to the mounting hole (3311).

6. The lithium battery hand-held casing of claim 5, wherein: the exhaust valve (332) adopts a one-way exhaust valve.

7. A lithium battery hand-held casing as claimed in claim 3, wherein: be fixed with monitoring subassembly (4) on lid subassembly (3), monitoring subassembly (4) are including being used for carrying out monitoring panel (41) and fin (42) that monitor to the lithium cell electric quantity, monitoring panel (41) with fin (42) all are fixed in lid body (31) are towards on one side of casing body (11), fin (42) are located on lid body (31) of monitoring panel (41) orientation.

8. A lithium battery hand-held casing as claimed in claim 3, wherein: the cover body assembly (3) further comprises a lifting handle component (34) used for lifting, the lifting handle component (34) comprises a lifting handle body (341) and a limiting groove (342), the limiting groove (342) is formed in the cover body (31), the lifting handle body (341) is arranged corresponding to the limiting groove (342), a plurality of clamping flanges (3421) are arranged on the limiting groove (342), the plurality of clamping flanges (3421) are fixed on the inner wall of the limiting groove (342), the lifting handle body (341) is provided with a plurality of clamping grooves (3411) corresponding to the plurality of clamping flanges (3421), and the clamping flanges (3421) and the clamping grooves (3411) can be rotatably connected.

9. The lithium battery hand-held casing of claim 8, wherein: the groove wall of the limiting groove (342) is provided with a plurality of first convex blocks (3422), the handle body (341) is provided with a plurality of reinforcing pieces (3412) corresponding to the first convex blocks (3422), the adjacent reinforcing pieces (3412) are clamped with the first convex blocks (3422), the groove wall of the other side of the limiting groove (342) towards which the first convex blocks (3422) face is provided with a plurality of second convex blocks (3423), and the second convex blocks (3423) are abutted against the side wall of the handle body (341).

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