CN216563285U

CN216563285U - Lithium battery charging protection plate with double MOS (metal oxide semiconductor) tubes in parallel structure

Info

Publication number: CN216563285U
Application number: CN202122876691.XU
Authority: CN
Inventors: 李彬; 余丰; 杜寿君
Original assignee: Zhongshan Duobeijia Electronic Technology Co ltd
Current assignee: Zhongshan Duobeijia Electronic Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-17
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of lithium batteries, and discloses a lithium battery charging protection plate with a double MOS (metal oxide semiconductor) tube parallel structure, which comprises a shell, wherein a charging frame is fixedly arranged inside the shell, a lithium battery body is fixedly arranged inside the charging frame, a square groove is formed inside the shell, a placing plate is movably connected inside the square groove, a protection plate body is arranged inside the placing plate, and the output end of the protection plate body is movably inserted with the input end of the charging frame. This lithium battery charging protection board of two MOS pipe parallel structure rotates and drives its surperficial threaded connection's movable block through the screw rod and moves upward, makes two telescopic links upwards return and contracts, makes to push away its top promotion charging frame left movement after the frame takes place to rotate, makes the input of charging frame shift out left from the output of charging protection board, and two telescopic links can't continue to return and contract this moment, make the promotion place the board and shift up, drive the charging protection board and shift up to logical groove department to the dismantlement of the charging protection board of being convenient for is changed.

Description

Lithium battery charging protection plate with double MOS (metal oxide semiconductor) tubes in parallel structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery charging protection plate with a double-MOS (metal oxide semiconductor) tube parallel structure.

Background

The charging protection board is mainly an integrated circuit board which plays a protection role for rechargeable (generally referred to as lithium battery). Because the material of lithium cell itself has decided it can not by overcharge, overdischarge, overflow, short circuit and ultra-high temperature charge-discharge, consequently lithium cell subassembly always can follow the protection shield of taking sampling resistance and a slice current fuse appears.

When the short circuit takes place at the circuit, the protection shield that charges can prevent the damage of battery, for the convenient use of carrying of lithium cell, protection shield and the lithium cell of charging generally encapsulate in the casing, damage the back when the protection shield that charges, need unpack the casing apart and maintain the change to inside protection shield, and the operation is more troublesome, and the casing relapse can reduce the sealing performance of casing installation after the dismouting, the dismantlement change of the protection shield that charges of being not convenient for.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the lithium battery charging protection plate with the double MOS tubes in parallel structure, which has the advantages of convenience in disassembly and assembly, good connection effect, convenience in use and the like, and solves the problems that the charging protection plate and the lithium battery are generally packaged in a shell, when the charging protection plate is damaged, the shell needs to be disassembled, the internal protection plate needs to be maintained and replaced, the operation is troublesome, the sealing performance of shell installation can be reduced after the shell is repeatedly disassembled and assembled, and the charging protection plate is inconvenient to disassemble and replace.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium battery charging protection shield of two MOS pipe parallel structure, includes the casing, the inside fixed mounting of casing has the charging frame, the inside fixed mounting of charging frame has lithium cell body, square groove has been seted up to the inside of casing, the inside swing joint of square groove has places the board, the inside of placing the board is equipped with the protection plate body, the output of protection plate body and the input swing joint of charging frame, the inner diapire of square groove rotates and is connected with the screw rod, the side surface threaded connection of screw rod has the movable block, place two telescopic links of bottom fixedly connected with of board, two the bottom of telescopic link respectively with the left and right sides fixed connection at movable block top, the left top of movable block rotates and is connected with and pushes away the frame, the other end that pushes away the frame rotates with the right side of charging frame and is connected.

Preferably, the movable groove has been seted up to the inside of casing, the inside intercommunication in movable groove and square groove, two first springs of left side fixedly connected with of charging frame, two the left end and the left inner wall fixed connection in movable groove of first spring, when the movable block moved down and drive the right-hand member that pushes away the frame and move down, through the elastic force effect of two first springs, make and promote its input and the output grafting of protection shield that charges after the charging frame moves to the charging frame of being convenient for and the protection of protection shield that charges, and then be convenient for to the protection of lithium cell group in the charging frame.

Preferably, vertical chutes are formed in the inner walls of the left side and the right side of the square groove, connecting blocks are fixedly connected to the left side and the right side of the placing plate respectively and are connected with the inner sliding parts of the two vertical chutes respectively, and the two connecting blocks are connected with the inner sliding parts of the two vertical chutes respectively, so that the placing plate is more stable in up-and-down movement.

Preferably, the top of two connecting blocks is all fixedly connected with second spring, two the top of second spring respectively with the interior roof fixed connection of two vertical chutes, when the movable block moved down and made two extension rod downwardly extending, the board was placed in the elasticity promotion downwards of two second springs, be convenient for place the board and its inside protection shield that charges move to the casing in.

Preferably, the right side of casing bottom is rotated and is connected with the knob, the bottom of screw rod is rotated with the top of knob and is connected, and through the positive and negative rotation operation of knob, the messenger reciprocates the protection shield that charges in the casing, and the operation of getting of the protection shield of being convenient for is put.

Preferably, the right side at casing top has been seted up and has been led to the groove, lead to the interior roof intercommunication in groove and square groove, the protection plate body and the inside looks adaptation that leads to the groove, the protection shield that charges can follow logical groove and take out and put into, the operation is changed in the installation of the protection shield that charges of being convenient for.

Compared with the prior art, the utility model provides the lithium battery charging protection plate with the double MOS tubes in parallel structure, which has the following beneficial effects:

1. this lithium battery charging protection board of two MOS pipe parallel structure, place the board through the setting, the screw rod, the movable block, the telescopic link with push away the frame, the knob on casing bottom right side is rotated after the charging protection board damages, make the screw rod rotate and drive its surperficial threaded connection's movable block and move up, make two telescopic links upwards return and contract, make and push away its top promotion charging frame after the frame takes place to rotate and move left, make the input of charging frame shift out left from the output of charging protection board, two telescopic links can't continue to return and contract this moment, make the promotion place the board and shift up, it shifts up to logical groove department to drive the charging protection board, thereby be convenient for the dismantlement of charging protection board to change.

2. This lithium battery charging protection board of two MOS pipe parallel structure, through setting up the second spring, put into new charging protection board from leading to groove to placing the board on, the reversal knob makes the screw rod rotate, make the movable block downstream on screw rod surface, make two telescopic link downwardly extending, make two second spring force resume and promote downwards and place the board, make two connecting blocks move down to the inner diapire with two vertical spouts contact, the movable block continues to move down this moment, make the right-hand member that pushes away the frame move down, through the elastic force effect of two first springs, make and promote its input and the output of charging protection board to peg graft after the frame that charges moves right, thereby the installation change operation of the protection board of being convenient for charging.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a bottom view of the housing structure of the present invention;

fig. 3 is a top view of the housing structure of the present invention.

Wherein: 1. a housing; 2. a charging stand; 3. a lithium battery body; 4. a square groove; 5. placing the plate; 6. A protective plate body; 7. a screw; 8. a moving block; 9. a telescopic rod; 10. pushing the frame; 11. a movable groove; 12. A first spring; 13. a vertical chute; 14. connecting blocks; 15. a second spring; 16. a knob; 17. a through groove.

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.

Referring to fig. 1-3, a lithium battery charging protection plate with a parallel structure of dual MOS transistors comprises a housing 1, a charging frame 2 is fixedly installed inside the housing 1, a lithium battery body 3 is fixedly installed inside the charging frame 2, a square groove 4 is formed inside the housing 1, a movable groove 11 is formed inside the housing 1, the movable groove 11 is communicated with the inside of the square groove 4, two first springs 12 are fixedly connected to the left side of the charging frame 2, the left ends of the two first springs 12 are fixedly connected to the inner wall of the left side of the movable groove 11, when a moving block 8 moves down and drives the right end of a pushing frame 10 to move down, the input end of the moving block is inserted into the output end of the charging protection plate after the charging frame 2 is pushed to move right under the elastic force of the two first springs 12, so as to facilitate the connection of the charging frame 2 and the charging, and further facilitate the protection of the battery pack in the charging frame 2, a placing plate 5 is movably connected inside the square groove 4, vertical sliding grooves 13 are formed in the inner walls of the left side and the right side of the square groove 4, connecting blocks 14 are fixedly connected to the left side and the right side of the placing plate 5, the two connecting blocks 14 are respectively connected with the inner portions of the two vertical sliding grooves 13 in a sliding manner, so that the placing plate 5 can move up and down more stably, second springs 15 are fixedly connected to the tops of the two connecting blocks 14, the top ends of the two second springs 15 are respectively connected with the inner top walls of the two vertical sliding grooves 13 in a sliding manner, the second springs 15 are arranged, a new charging protection plate is placed onto the placing plate 5 from a through groove 17, a reverse knob 16 rotates a screw 7, a moving block 8 on the surface of the screw 7 moves downwards, two telescopic rods 9 extend downwards, so that the two second springs 15 recover elasticity and push the placing plate 5 downwards, the two connecting blocks 14 are moved downwards to be in contact with the inner bottom walls of the two vertical sliding grooves 13, then the moving block 8 continues to move downwards, the right end of the pushing frame 10 is made to move downwards, and the input end of the charging frame 2 is pushed to move right to be connected with the output end of the charging protection board in an inserting mode under the elastic action of the two first springs 12, so that the charging protection board can be installed and replaced conveniently.

The inside of the placing plate 5 is provided with a protective plate body 6, the right side of the top of the shell 1 is provided with a through groove 17, the through groove 17 is communicated with the inner top wall of the square groove 4, the protective plate body 6 is matched with the inside of the through groove 17, the charging protective plate can be taken out and put in from the through groove 17, the installation and replacement operation of the charging protective plate is convenient, the output end of the protective plate body 6 is movably inserted with the input end of the charging frame 2, the inner bottom wall of the square groove 4 is rotatably connected with a screw 7, the right side of the bottom of the shell 1 is rotatably connected with a knob 16, the bottom end of the screw 7 is rotatably connected with the top end of the knob 16, the charging protective plate in the shell 1 is moved up and down through the positive and negative rotation operation of the knob 16, the taking and placing operation of the charging protective plate is convenient, the side surface of the screw 7 is in threaded connection with a moving block 8, the bottom of the placing plate 5 is fixedly connected with two telescopic rods 9, the bottom ends of the two telescopic rods 9 are respectively and fixedly connected with the left and right sides of the top of the moving block 8, the left top of movable block 8 is rotated and is connected with and pushes away frame 10, the other end that pushes away frame 10 rotates with charging frame 2's right side and is connected, the setting is placed board 5, screw rod 7, movable block 8, telescopic link 9 and push away frame 10, the knob 16 on the right side of casing 1 bottom is rotated to the protection shield that charges damages the back, make screw rod 7 rotate and drive its surperficial threaded connection's movable block 8 and move up, make two telescopic links 9 upwards return and contract, make and push away its top promotion charging frame 2 left shift after frame 10 takes place to rotate, make the input of charging frame 2 shift out left from the output of protection shield that charges, two telescopic links 9 can't continue to contract this moment, make the promotion place board 5 and move up, it shifts up to logical groove 17 department to drive the protection shield that charges, thereby be convenient for the dismantlement of protection shield to change.

When the charging protection plate is used, the knob 16 on the right side of the bottom of the shell 1 is rotated after the charging protection plate is damaged, the screw 7 is rotated and drives the moving block 8 in threaded connection with the surface of the screw to move upwards, the two telescopic rods 9 retract upwards, the pushing frame 10 is rotated and then the top end of the pushing frame pushes the charging frame 2 to move leftwards, the input end of the charging frame 2 is moved leftwards out of the output end of the charging protection plate, at the moment, the two telescopic rods 9 cannot retract continuously, the placing plate 5 is pushed upwards, the charging protection plate is driven to move upwards to the through groove 17, the charging protection plate can be taken out and maintained and replaced, a new charging protection plate is placed onto the placing plate 5 from the through groove 17, the knob 16 is reversed to rotate the screw 7, the moving block 8 on the surface of the screw 7 moves downwards, the two telescopic rods 9 extend downwards, the elasticity of the two second springs 15 is recovered and the placing plate 5 is pushed downwards, and the two connecting blocks 14 move downwards to be in contact with the inner bottom walls of the two vertical sliding grooves 13, then the movable block 8 continues to move downwards, so that the right end of the pushing frame 10 moves downwards, and the input end of the pushing frame 2 is inserted into the output end of the charging protection plate under the action of the elastic force of the two first springs 12, so that the charging protection plate can be installed and replaced conveniently.

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 battery charging protection board of two MOS pipe parallel structure, includes casing (1), its characterized in that: the charging rack (2) is fixedly installed inside the shell (1), the lithium battery body (3) is fixedly installed inside the charging rack (2), the square groove (4) is formed inside the shell (1), the placing plate (5) is movably connected inside the square groove (4), the protecting plate body (6) is arranged inside the placing plate (5), the output end of the protecting plate body (6) is movably inserted into the input end of the charging rack (2), the inner bottom wall of the square groove (4) is rotatably connected with a screw rod (7), the side surface of the screw rod (7) is in threaded connection with a moving block (8), the bottom of the placing plate (5) is fixedly connected with two telescopic rods (9), the bottom ends of the two telescopic rods (9) are respectively fixedly connected with the left side and the right side of the top of the moving block (8), and the left top of the moving block (8) is rotatably connected with a pushing rack (10), the other end of the pushing frame (10) is rotatably connected with the right side of the charging frame (2).

2. The lithium battery charging protection plate with the parallel structure of the double MOS tubes as claimed in claim 1, wherein: the utility model discloses a charging rack, including casing (1), activity groove (11) have been seted up to the inside of casing (1), the inside intercommunication in activity groove (11) and square groove (4), two first springs (12) of left side fixedly connected with of charging frame (2), two the left end and the left inner wall fixed connection in activity groove (11) of first spring (12).

3. The lithium battery charging protection plate with the parallel structure of the double MOS tubes as claimed in claim 1, wherein: vertical sliding grooves (13) are formed in the inner walls of the left side and the right side of the square groove (4), connecting blocks (14) are fixedly connected to the left side and the right side of the placing plate (5), and the connecting blocks (14) are connected with the inner portions of the two vertical sliding grooves (13) in a sliding mode respectively.

4. The lithium battery charging protection plate with the parallel structure of the double MOS tubes as claimed in claim 3, wherein: the top of the connecting block (14) is fixedly connected with a second spring (15), and the top ends of the second springs (15) are fixedly connected with the inner top walls of the two vertical sliding grooves (13) respectively.

5. The lithium battery charging protection plate with the parallel structure of the double MOS tubes as claimed in claim 1, wherein: the right side of the bottom of the shell (1) is rotatably connected with a knob (16), and the bottom end of the screw rod (7) is rotatably connected with the top end of the knob (16).

6. The lithium battery charging protection plate with the parallel structure of the double MOS tubes as claimed in claim 1, wherein: the right side at the top of the shell (1) is provided with a through groove (17), the through groove (17) is communicated with the inner top wall of the square groove (4), and the protection plate body (6) is matched with the inside of the through groove (17).