CN216624415U

CN216624415U - Explosion-proof structure for lithium battery top cover

Info

Publication number: CN216624415U
Application number: CN202123260007.1U
Authority: CN
Inventors: 蔡丽萍
Original assignee: Dongguan City Enchuang Precision Metal Electronic Technology Co ltd
Current assignee: Dongguan City Enchuang Precision Metal Electronic Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-27
Anticipated expiration: 2031-12-23

Abstract

The utility model provides an explosion-proof structure for a lithium battery top cover, and relates to the field of lithium batteries. Including the mounting box, the last fixed surface of mounting box installs the lithium cell. This an explosion-proof construction for lithium cell top cap, through setting up the elasticity screw, fixed plate and spring, can fix explosion-proof equipment in the top in explosion-proof hole, and with explosion-proof hole intercommunication, the spring can make the elasticity screw fasten more simultaneously, through setting up spout and sliding plate, can make the sliding plate slide in the spout, the flexible buffer of compression reaches the explosion-proof effect of buffering under the effect of pressure, through setting up first damping spring and second damping spring, can play absorbing effect to the impact of sliding plate, through setting up first damping spring, second damping spring and third damping spring, make the push pedal be piston motion compression damping spring in flexible buffer, the setting of a plurality of springs has strengthened the buffering effect of device, make the device better carry out explosion-proof to the top cap.

Description

Explosion-proof structure for lithium battery top cover

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to an explosion-proof structure for a lithium battery top cover.

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 lithium ion battery and a lithium ion polymer battery, and has very high environmental requirements due to the very active chemical characteristics of the lithium metal, so that the lithium battery is not applied for a long time, and along with the development of microelectronic technology, miniaturized equipment is increased day by day, high requirements are provided for power supplies, and the lithium battery enters a large-scale practical stage.

Lithium batteries are indispensable daily necessities in daily life, and many articles in daily life can not provide electric power without the lithium batteries, but the traditional lithium batteries have no flame-retardant and explosion-proof measures, and can burn or even explode if being collided or damaged in the using process, thereby causing serious loss to people or property.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an explosion-proof structure for a lithium battery top cover, which solves the problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: an explosion-proof structure for a lithium battery top cover comprises a mounting box, wherein a lithium battery is fixedly mounted on the upper surface of the mounting box, the upper surface of the lithium battery is fixedly provided with a top cover, the upper surface of the top cover is fixedly provided with a fixing bolt, the upper surface of the top cover is fixedly provided with a battery anode, the upper surface of the top cover is fixedly provided with a battery cathode, the upper surface of the top cover is fixedly provided with an explosion-proof hole, the upper surface of the explosion-proof hole is fixedly provided with a fixed plate, the outer side of the fixing plate is movably provided with a loose screw, the outer side of the loose screw is fixedly provided with a spring, the upper surface of the fixed plate is fixedly provided with an explosion-proof device, the upper surface of the top cover is fixedly provided with a handle, the explosion-proof device is characterized in that a sliding chute is fixedly mounted inside the explosion-proof device, an inner side of the sliding chute is fixedly mounted with a sliding plate in a sliding mode, and a telescopic buffer device is fixedly mounted on the upper surface of the sliding plate.

Preferably, a first damping spring is fixedly mounted on the outer side of the telescopic buffer device, and a fixed table is fixedly mounted on the upper surface of the telescopic buffer device.

Preferably, the top plate is fixedly installed on the upper surface of the fixing table, and the second damping spring is fixedly installed on the upper surface of the top plate.

Preferably, the lower surface movable mounting of flexible buffer has the push rod, the one end fixed mounting of push rod has the push pedal, flexible buffer's inside fixed mounting has first buffer spring.

Preferably, the upper surface of push pedal fixed mounting has the second buffer spring, the upper surface fixed mounting of second buffer spring has the connecting block, the upper surface fixed mounting of connecting block has the third buffer spring, the upper surface fixed mounting of third buffer spring has the blotter.

(III) advantageous effects

The utility model provides an explosion-proof structure for a lithium battery top cover. Has the following beneficial effects:

1. this an explosion-proof structure for lithium cell top cap through setting up elasticity screw, fixed plate and spring, can fix explosion-proof equipment in the top in explosion-proof hole to with explosion-proof hole intercommunication, the spring can make the elasticity screw fastening more simultaneously, through setting up spout and sliding plate, can make the sliding plate slide in the spout, the flexible buffer of compression reaches the explosion-proof effect of buffering under the effect of pressure.

2. This an explosion-proof structure for lithium cell top cap through setting up first damping spring and second damping spring, can play absorbing effect to the impact of sliding plate, through setting up first buffer spring, second buffer spring and third buffer spring, can make the push pedal be piston motion compression buffer spring in flexible buffer, the cushioning effect of device has been strengthened in setting up of a plurality of springs, makes that the device is better carry out explosion-proof to the top cap.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic structural diagram of an explosion-proof device according to the present invention;

FIG. 5 is a schematic view of a telescopic buffer device according to the present invention.

In the figure: 1 mounting box, 2 lithium cells, 3 top caps, 4 battery positive poles, 5 fixed plates, 6 explosion-proof equipment, 7 elasticity screws, 8 handles, 9 springs, 10 battery negative poles, 11 fixing bolt, 12 explosion-proof holes, 13 chutes, 14 first damping springs, 15 roof, 16 second damping springs, 17 fixed stations, 18 flexible buffer, 19 sliding plates, 20 first damping springs, 21 second damping springs, 22 third damping springs, 23 blotter, 24 connecting blocks, 25 push plates, 26 push rods.

Detailed Description

The utility model is explained in more detail below with reference to the figures and examples.

The embodiment of the utility model provides an explosion-proof structure for a lithium battery top cover, which comprises a mounting box 1, wherein a lithium battery 2 is fixedly arranged on the upper surface of the mounting box 1, a top cover 3 is fixedly arranged on the upper surface of the lithium battery 2, a fixing bolt 11 is fixedly arranged on the upper surface of the top cover 3, the top cover 3 and the lithium battery 2 can be fixed by arranging the fixing bolt 11 to protect the lithium battery 2, a battery anode 4 is fixedly arranged on the upper surface of the top cover 3, a battery cathode 10 is fixedly arranged on the upper surface of the top cover 3, an explosion-proof hole 12 is fixedly arranged on the upper surface of the top cover 3 and can be communicated with an explosion-proof device 6 by arranging the explosion-proof hole 12, explosion prevention is carried out by the explosion-proof device 6 when pressure is enhanced, a fixing plate 5 is fixedly arranged on the upper surface of the explosion-proof hole 12, a loose screw 7 is movably arranged on the outer side of the fixing plate 5, and a spring 9 is fixedly arranged on the outer side of the loose screw 7, through setting up elasticity screw 7, fixed plate 5 and spring 9, can fix explosion-proof equipment 6 in the top of explosion-proof hole 12, and communicate with explosion-proof hole 12, spring 9 can make elasticity screw 7 fasten more simultaneously, the last fixed surface of fixed plate 5 installs explosion-proof equipment 6, the last fixed surface of top cap 3 installs handle 8, through setting up handle 8, can make things convenient for lithium cell 2's removal, explosion-proof equipment 6's inside fixed mounting has spout 13, one side fixed mounting of spout 13 has inboard slidable mounting to have sliding plate 19, the last fixed surface of sliding plate 19 installs flexible buffer 18, through setting up spout 13 and sliding plate 19, can make sliding plate 19 slide in spout 13, flexible buffer 18 of compression reaches the explosion-proof effect of buffering under the effect of pressure.

Specifically, the first damper spring 14 is fixedly mounted on the outer side of the telescopic buffer device 18, the fixing table 17 is fixedly mounted on the upper surface of the telescopic buffer device 18, and the telescopic buffer device 18 can be fixed on the lower surface of the top plate 15 by the fixing table 17.

Specifically, the top plate 15 is fixedly mounted on the upper surface of the fixed table 17, the second damping spring 16 is fixedly mounted on the upper surface of the top plate 15, and the first damping spring 14 and the second damping spring 16 are arranged, so that a damping effect can be achieved on the impact of the sliding plate 19.

Specifically, the lower surface movable mounting of flexible buffer 18 has push rod 26, and the one end fixed mounting of push rod 26 has push pedal 25, and the inside fixed mounting of flexible buffer 18 has first buffer spring 20, through setting up push rod 26 and push pedal 25, can make push rod 26 drive push pedal 25 and remove compression second buffer spring 21 in the device is inside, plays the explosion-proof effect of buffering.

Specifically, the last fixed surface of push pedal 25 installs second buffer spring 21, the last fixed surface of second buffer spring 21 installs connecting block 24, through setting up connecting block 24, second buffer spring 21 and third buffer spring 22 can be connected, the explosion-proof effect of improvement device buffering, the last fixed surface of connecting block 24 installs third buffer spring 22, the last fixed surface of third buffer spring 22 installs blotter 23, through setting up first buffer spring 20, second buffer spring 21 and third buffer spring 22, can make push pedal 25 do piston motion compression buffer spring in flexible buffer 18, the buffering effect of device has been strengthened in the setting of a plurality of springs, make the better explosion-proof to the top cap of device.

All the electric equipment in the scheme supplies power through the external power supply.

The working principle is as follows: during the use, at first when lithium cell 2 breaks down, lithium cell 2's inside can produce great pressure, these pressures can get into explosion-proof equipment 6 through explosion-proof hole 12 and promote sliding plate 19 rebound, then the flexible buffer 18 of compression is simultaneously in the first damping spring 14 in the flexible buffer 18 outside can compress, play absorbing effect, second damping spring 16 can carry out the shock attenuation to flexible buffer 18 bottom through roof 15 simultaneously, guarantee flexible buffer 18's stability, flexible buffer 18's inside can play the effect of buffering through push pedal 25 compression second damping spring 21 simultaneously, connecting block 24 is connecting second damping spring 21 and third damping spring 22 and has strengthened the effect of device buffering, can carry out effectual explosion-proof to lithium cell 2's top cap 3 through a series of flows.

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 an explosion-proof structure for lithium cell top cap, includes mounting box (1), its characterized in that: the mounting box comprises a mounting box body (1), a lithium battery (2) is mounted on the mounting box body (1), a top cover (3) is mounted on the lithium battery (2) in a fixed surface mode, a fixing bolt (11) is mounted on the top cover (3) in a fixed surface mode, a battery anode (4) is mounted on the top cover (3) in a fixed surface mode, a battery cathode (10) is mounted on the top cover (3) in a fixed surface mode, an explosion-proof hole (12) is mounted on the top cover (3) in a fixed surface mode, a fixing plate (5) is mounted on the upper surface of the explosion-proof hole (12), an elastic screw (7) is movably mounted on the outer side of the fixing plate (5), a spring (9) is fixedly mounted on the outer side of the elastic screw (7), an explosion-proof device (6) is mounted on the upper surface of the fixing plate (5), and a handle (8) is mounted on the top cover (3) in a fixed surface mode, a sliding groove (13) is fixedly installed inside the explosion-proof device (6), a sliding plate (19) is fixedly installed on the inner side of one side of the sliding groove (13) in a sliding mode, and a telescopic buffer device (18) is fixedly installed on the upper surface of the sliding plate (19).

2. The explosion-proof structure for the lithium battery top cap according to claim 1, wherein: the outer side of the telescopic buffer device (18) is fixedly provided with a first damping spring (14), and the upper surface of the telescopic buffer device (18) is fixedly provided with a fixed table (17).

3. The explosion-proof structure for the lithium battery top cap according to claim 2, wherein: the upper surface fixed mounting of fixed station (17) has roof (15), the upper surface fixed mounting of roof (15) has second damping spring (16).

4. The explosion-proof structure for the lithium battery top cap according to claim 1, wherein: the lower surface movable mounting of flexible buffer (18) has push rod (26), the one end fixed mounting of push rod (26) has push pedal (25), the inside fixed mounting of flexible buffer (18) has first buffer spring (20).

5. The explosion-proof structure for the lithium battery top cap according to claim 4, wherein: the last fixed surface of push pedal (25) installs second buffer spring (21), the last fixed surface of second buffer spring (21) installs connecting block (24), the last fixed surface of connecting block (24) installs third buffer spring (22), the last fixed surface of third buffer spring (22) installs blotter (23).