CN215418409U

CN215418409U - Lithium cell overhauls with dampproofing earth leakage protection equipment

Info

Publication number: CN215418409U
Application number: CN202121067038.2U
Authority: CN
Inventors: 童鑫; 曾世欣
Original assignee: Yigong Power Technology Shanghai Co ltd
Current assignee: Yigong Power Technology Shanghai Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-04
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to the technical field of lithium battery overhaul, and discloses a moisture-proof electric leakage protection device for lithium battery overhaul, which comprises a protection box, wherein a moisture-proof plate is arranged at the bottom of an inner cavity of the protection box, cavities are respectively arranged at the top parts of the left side and the right side of the inner cavity of the protection box, a spring is fixedly connected to the far side of the inner cavity of the cavity, a connecting rod is driven to move back and forth by arranging a lug, a moving block is driven by the connecting rod to move back and forth on the inner surface of the cavity, a pin block is also driven to move back and forth on the inner surface of a pin groove, the spring is extruded, the battery pack is convenient to disassemble, moisture is prevented from being arranged at the bottom of the battery pack by arranging the moisture-proof plate, the damage of the battery pack is avoided, the conventional lithium battery pack is inconvenient to disassemble and has the advantages of good moisture-proof effect by arranging the moisture-proof plate, and the problems of inconvenient disassembly and poor moisture-proof effect of the conventional lithium battery pack are solved, thereby increasing the service life of the lithium battery.

Description

Lithium cell overhauls with dampproofing earth leakage protection equipment

Technical Field

The utility model relates to the technical field of lithium battery overhaul, in particular to a moisture-proof electric leakage protection device for lithium battery overhaul.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, the inventor of the lithium battery is edison, and because the chemical characteristics of the lithium metal are very active, the lithium metal has very high requirements on the environment for processing, storing and using, so the lithium battery is not applied for a long time, with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increasingly increased, high requirements on a power supply are provided, the lithium battery enters a large-scale practical stage, when the lithium battery is overhauled, the lithium battery needs to be disassembled, the existing lithium battery installation mode has the defect of inconvenient disassembly, the moisture-proof effect is poor, the moisture in the protection equipment is easy to cause, the lithium battery pack is damaged, and the service life of the lithium battery is shortened, therefore, the moisture-proof leakage protection equipment for lithium battery overhauling is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a moisture-proof leakage protection device for lithium battery maintenance, which has the advantages of convenience in disassembly and assembly and better moisture-proof effect, and solves the problems of inconvenience in disassembly and assembly and poor moisture-proof effect of the conventional lithium battery pack.

In order to solve the technical problem, the utility model provides a moisture-proof electric leakage protection device for lithium battery overhaul, which comprises a protection box, the bottom of the inner cavity of the protection box is provided with a damp-proof plate, the tops of the left side and the right side of the inner cavity of the protection box are provided with cavities, a spring is fixedly connected to one side of the cavity far away from the cavity, a moving block is fixedly connected to one end of the spring close to the cavity, one side of the moving block close to the moving block is fixedly connected with a pin block, one side of the pin block close to the moving block extends to the inner cavity of the protection box, the left side and the right side of the top of the protection box are both provided with grooves, the connecting part of the bottom of the inner cavity of each groove and the top of the cavity is integrally provided with a moving groove, the top of the moving block is fixedly connected with a connecting rod, the top of the connecting rod extends to the inner cavity of the groove and is fixedly connected with a convex block, and the outer surface of the connecting rod is connected with the inner surface of the moving groove in a sliding mode.

Preferably, the top of the left side and the right side of the inner cavity of the protection box and the positions matched with the pin blocks for use are both provided with pin grooves, and the outer surfaces of the pin blocks are in sliding connection with the inner surfaces of the pin grooves.

Preferably, a battery pack is inserted into an inner cavity of the moisture-proof plate, a positive interface is arranged on the left side of the top of the battery pack, and a negative interface is arranged on the right side of the top of the battery pack.

Preferably, the top of the guard box left and right sides all is through screw fixedly connected with visor, the left and right sides at guard box top all inlays and is equipped with sealed the pad, sealed pad is located anodal interface and negative pole interface directly over.

Preferably, the top of the battery pack is fixedly connected with a handle, and the surface of the handle is provided with anti-skid grains.

Preferably, the front surface and the back surface of the moving block are both fixedly connected with sliding blocks, sliding grooves are formed in the positions, matched with the sliding blocks, of the front surface and the back surface of the cavity inner cavity, and the outer surfaces of the sliding blocks are in sliding connection with the inner surfaces of the sliding grooves.

Compared with the related art, the moisture-proof electric leakage protection equipment for lithium battery overhaul provided by the utility model has the following beneficial effects:

1. according to the lithium battery pack, the lug is arranged to drive the connecting rod to move back and forth, the connecting rod drives the moving block to move back and forth on the inner surface of the cavity, the pin block is driven to move back and forth on the inner surface of the pin groove, the spring is extruded, the battery pack is convenient to disassemble, the bottom of the battery pack is protected from moisture by the moisture-proof plate, the damage of the battery pack is avoided, the structure has the advantages of convenience in disassembly and assembly and good moisture-proof effect, the problems that the conventional lithium battery pack is inconvenient to disassemble and has poor moisture-proof effect are solved, and the service life of the lithium battery is prolonged.

2. The pin groove is arranged, so that the pin block can be conveniently guided;

the top of the protection box is protected by arranging the protection cover, and meanwhile, the external conducting wire is sealed by the design of the sealing gasket, so that dust is prevented from falling into the inner cavity of the protection box;

the battery pack is convenient to move by arranging the handle;

through setting up slider and spout, made things convenient for and led to the movable block, also spacing it simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the protective case structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at a;

FIG. 4 is a top cross-sectional view of the protective case structure of the present invention;

fig. 5 is an enlarged view of the structure of fig. 4 at b according to the present invention.

In the figure: 1. a protection box; 2. a moisture-proof plate; 3. a cavity; 4. a spring; 5. a moving block; 6. a pin block; 7. a moving groove; 8. a groove; 9. a connecting rod; 10. a bump; 11. a pin slot; 12. a battery pack; 13. a positive electrode interface; 14. a negative electrode interface; 15. a protective cover; 16. a handle; 17. a gasket; 18. a slider; 19. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in figures 1-5, the moisture-proof electric leakage protection device for lithium battery overhaul comprises a protection box 1, wherein a moisture-proof plate 2 is arranged at the bottom of an inner cavity of the protection box 1, cavities 3 are respectively arranged at the tops of the left side and the right side of the inner cavity of the protection box 1, a spring 4 is fixedly connected to the far side of the inner cavity of the cavity 3, a moving block 5 is fixedly connected to the near end of the spring 4, a pin block 6 is fixedly connected to the near side of the moving block 5, one near side of the pin block 6 extends to the inner cavity of the protection box 1, grooves 8 are respectively formed in the left side and the right side of the top of the protection box 1, a moving groove 7 is integrally formed at the connection part of the bottom of the inner cavity of the groove 8 and the top of the cavity 3, a connecting rod 9 is fixedly connected to the top of the moving block 5, a lug 10 is fixedly connected to the inner cavity of the top of the groove 8, and the outer surface of the connecting rod 9 is slidably connected with the inner surface of the moving groove 7, the material of dampproofing board 2 is the aluminium membrane, the aluminium membrane has better dampproofing effect, drive connecting rod 9 back of the body removal of carrying on the back through setting up lug 10, connecting rod 9 drives movable block 5 at cavity 3's internal surface back of the body removal of carrying on the back, also drive round pin piece 6 at round pin groove 11's internal surface back of the body removal of carrying on the back simultaneously, extrude spring 4, made things convenient for and dismantled group battery 12, through setting up dampproofing board 2, it prevents damp to carry out bottom group battery 12, avoid the damage of group battery 12, through setting up above structure, the dismouting that makes things convenient for has been possessed, and the better advantage of dampproofing effect, the current lithium cell group has solved and has had inconvenient dismouting, and the relatively poor problem of dampproofing effect, thereby the life of lithium cell has been increased.

Referring to fig. 3, pin grooves 11 are formed in the top portions of the left side and the right side of the inner cavity of the protection box 1 and in positions matched with the pin blocks 6 for use, the outer surfaces of the pin blocks 6 are in sliding connection with the inner surfaces of the pin grooves 11, and the pin blocks 6 are conveniently guided by the pin grooves 11.

Referring to fig. 2, a battery pack 12 is inserted into an inner cavity of the moisture-proof plate 2, a positive electrode interface 13 is disposed on the left side of the top of the battery pack 12, and a negative electrode interface 14 is disposed on the right side of the top of the battery pack 12.

Referring to fig. 2, the top of the left side and the top of the protection box 1 are both fixedly connected with a protection cover 15 through screws, the left side and the right side of the top of the protection cover 15 are both embedded with a sealing gasket 17, the sealing gasket 17 is located right above the positive interface 13 and the negative interface 14, the top of the protection box 1 is protected by arranging the protection cover 15, and meanwhile, due to the design of the sealing gasket 17, an external wire is sealed, so that dust is prevented from falling into an inner cavity of the protection box 1.

Referring to fig. 2, a handle 16 is fixedly connected to the top of the battery pack 12, and anti-slip threads are disposed on the surface of the handle 16, so that the battery pack 12 can be moved conveniently by disposing the handle 16.

Referring to fig. 5, the front and back surfaces of the moving block 5 are both fixedly connected with sliding blocks 18, the front and back surfaces of the inner cavity of the cavity 3 and the positions matched with the sliding blocks 18 are both provided with sliding grooves 19, the outer surface of the sliding blocks 18 are slidably connected with the inner surface of the sliding grooves 19, and the sliding blocks 18 and the sliding grooves 19 are arranged, so that the moving block 5 is conveniently guided and limited.

The working principle is as follows:

the first step is as follows: when the lithium battery needs to be overhauled, the bolt is rotated, and then the protective cover 15 is taken out to expose the battery pack 12;

the second step is that: at this time, the lug 10 drives the connecting rod 9 to move back and forth, the connecting rod 9 drives the moving block 5 to move back and forth on the inner surface of the cavity 3, the moving block 5 drives the sliding block 18 to slide back and forth on the inner surface of the sliding groove 19, meanwhile, the pin block 6 is also driven to move back and forth on the inner surface of the pin groove 11, the spring 4 is extruded, the pin block 6 is far away from the battery pack 12, the battery pack 12 is lifted upwards through the handle 16, and the battery pack 12 is disassembled;

the third step: when it needs to be installed, otherwise, the above-mentioned operation is installed, the bottom of the battery pack 12 is tightly attached to the inner surface of the moisture-proof plate 2, and the battery pack 12 is protected from moisture by the moisture-proof plate 2.

Through above structure, possessed and made things convenient for the dismouting, and the better advantage of dampproofing effect, solved current lithium cell group and had inconvenient dismouting, and the relatively poor problem of dampproofing effect to the life of lithium cell has been increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell overhauls with dampproofing earth leakage protection equipment, includes guard box (1), its characterized in that: the bottom of the inner cavity of the protection box (1) is provided with a damp-proof plate (2), the tops of the left side and the right side of the inner cavity of the protection box (1) are respectively provided with a cavity (3), one side of the inner cavity of the cavity (3) far away is fixedly connected with a spring (4), one end of the spring (4) close to the cavity is fixedly connected with a movable block (5), one side of the movable block (5) close to the cavity is fixedly connected with a pin block (6), one side of the pin block (6) close to the cavity extends to the inner cavity of the protection box (1), the left side and the right side of the top of the protection box (1) are respectively provided with a groove (8), the bottom of the inner cavity of the groove (8) and the connection part of the top of the cavity (3) are integrally provided with a movable groove (7), the top of the movable block (5) is fixedly connected with a connecting rod (9), and the top of the connecting rod (9) extends to the inner cavity of the groove (8) and is fixedly connected with a lug (10), the outer surface of the connecting rod (9) is in sliding connection with the inner surface of the moving groove (7).

2. The lithium battery overhauling moisture-proof electric leakage protection device as recited in claim 1, wherein: pin grooves (11) are formed in the top of the left side and the right side of the inner cavity of the protection box (1) and the positions matched with the pin blocks (6) for use, and the outer surfaces of the pin blocks (6) are connected with the inner surfaces of the pin grooves (11) in a sliding mode.

3. The lithium battery overhauling moisture-proof electric leakage protection device as recited in claim 1, wherein: the inner cavity of the moisture-proof plate (2) is inserted with a battery pack (12), the left side of the top of the battery pack (12) is provided with an anode interface (13), and the right side of the top of the battery pack (12) is provided with a cathode interface (14).

4. The lithium battery overhauling moisture-proof electric leakage protection device as recited in claim 1, wherein: the top of guard box (1) left and right sides all is through screw fixedly connected with visor (15), the left and right sides at visor (15) top all inlays and is equipped with sealed pad (17), sealed pad (17) are located anodal interface (13) and negative pole interface (14) directly over.

5. The lithium battery overhauling moisture-proof electric leakage protection device as recited in claim 3, wherein: the top of the battery pack (12) is fixedly connected with a handle (16), and anti-skid grains are arranged on the surface of the handle (16).

6. The lithium battery overhauling moisture-proof electric leakage protection device as recited in claim 1, wherein: the front and the back of the moving block (5) are both fixedly connected with sliding blocks (18), sliding grooves (19) are formed in the front and the back of an inner cavity of the cavity (3) and in positions matched with the sliding blocks (18) for use, and the outer surface of each sliding block (18) is in sliding connection with the inner surface of each sliding groove (19).