CN216958304U

CN216958304U - Lithium battery protection plate with shock-absorbing function

Info

Publication number: CN216958304U
Application number: CN202122325604.1U
Authority: CN
Inventors: 郑碧莲
Original assignee: Shenzhen Jimeizhi Technology Co ltd
Current assignee: Shenzhen Jimeizhi Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-07-12
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a lithium battery protection board with a shock absorption function, and relates to the technical field of battery protection. The protective device comprises a protective shell and a protective plate body, wherein four upright posts are fixed inside the protective shell, a protective top plate is assembled at the top end of the protective shell, and four fixed top covers are arranged at the upper end of the protective top plate. According to the utility model, through the structural cooperation of the conduction plate, the first buffer spring and the second buffer spring, the vibration received by the protection plate body is transmitted to the first buffer spring and the second buffer spring through the conduction plate, and the transmitted force is absorbed and diffused through the elastic deformation of the first buffer spring and the second buffer spring, so that the effect of relieving the vibration is achieved.

Description

Lithium battery protection plate with shock-absorbing function

Technical Field

The utility model belongs to the technical field of battery protection, and particularly relates to a lithium battery protection plate with a damping function.

Background

The lithium battery protection board is used for charging and discharging protection of the series lithium battery pack; when the battery pack is fully charged, the voltage difference between the single batteries can be ensured to be smaller than a set value (generally +/-20 mV), the uniform charging of the single batteries of the battery pack is realized, the charging effect in a serial charging mode is effectively improved, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of the single batteries in the battery pack are detected, the service life of the battery is protected and prolonged, and each single battery is prevented from being damaged due to overdischarge when being discharged and used by undervoltage protection;

however, some existing lithium battery protection plates do not have a damping function, so that the lithium battery protection plates are easy to damage, and meanwhile, the existing lithium battery protection plates are difficult to mount and dismount and are not beneficial to recycling and reducing production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery protection plate with a damping function, which solves the existing problems that: some current lithium cell protection boards do not have shock-absorbing function, therefore fragile.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a lithium battery protection board with a shock absorption function comprises a protection shell and a protection board body, wherein four stand columns are fixed inside the protection shell, a protection top board is assembled at the top end of the protection shell, four fixed top covers are arranged at the upper end of the protection top board, and the four fixed top covers penetrate through the protection top board and are in threaded connection with the corresponding stand columns;

four sliding connection has a conduction board between the stand, the upper end of conduction board is provided with fixed subassembly, it is fixed with the conduction board that the protection shield body passes through fixed subassembly.

Furthermore, the outer side of the stand column and the position of the lower end of the conducting plate are respectively sleeved with a second buffer spring, the lower end of the fixed top cover is respectively fixed with a first buffer spring, and the first buffer springs are respectively connected with the stand column in a sleeved mode.

Furthermore, a protection ring is fixed at the bottom end of the first buffer spring and is made of rubber.

Further, the fixed component comprises a fixed clamping seat, a movable clamping seat, a fixed seat and a fixed spring, wherein the fixed clamping seat is fixed at one end of the upper end of the conducting plate, the fixed seat is fixed at the other end of the upper end of the conducting plate, the movable clamping seat is connected to the upper end of the conducting plate and located between the fixed clamping seat and the fixed seat in a sliding mode, the movable clamping seat is located at one end close to the fixed seat, the fixed spring is fixed between the movable clamping seat and the fixed seat, one end of the protection plate body is located inside the fixed clamping seat, and the other end of the protection plate body is located inside the movable clamping seat.

Furthermore, the inner sides of the fixed clamping seat and the movable clamping seat are both fixed with a protection block.

Furthermore, a pulling plate is arranged at the upper end of the movable clamping seat.

The utility model has the following beneficial effects:

1. according to the utility model, through the structural cooperation of the conduction plate, the first buffer spring and the second buffer spring, the vibration borne by the protection plate body is transmitted to the first buffer spring and the second buffer spring through the conduction plate, and the transmitted force is absorbed and diffused through the elastic deformation of the first buffer spring and the second buffer spring, so that the effect of relieving the vibration is achieved.

2. According to the utility model, through the structural design of the fixing component, the protection plate has a good buffering effect and is convenient to overhaul.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an exploded view of the connection structure of the protection top plate and the protection shell;

FIG. 3 is a cross-sectional view of the overall structure of the present invention;

FIG. 4 is a schematic view of the overall structure of the fixed top cover of the present invention;

FIG. 5 is a schematic view of a connection structure of the conductive plate and the protective housing according to the present invention;

FIG. 6 is a front view of a connection structure of a conductive plate and a protective plate body according to the present invention;

FIG. 7 is an exploded view of a connection structure of a conductive plate and a protective plate body according to the present invention;

fig. 8 is an enlarged view of a portion of the structure of fig. 6 a according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a protective housing; 2. a protective roof; 3. a protection plate body; 4. a conductive plate; 5. fixing the top cover; 6. a first buffer spring; 7. a guard ring; 8. a column; 9. a second buffer spring; 10. fixing the card holder; 11. moving the card holder; 12. a fixed seat; 13. a fixed spring; 14. and a protection block.

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 to 4, the lithium battery protection board with a shock absorption function of the present invention includes a protection housing 1 and a protection board body 3, four upright posts 8 are fixed inside the protection housing 1, a protection top plate 2 is assembled at the top end of the protection housing 1, the upper end of the protection housing 1 is sealed by the protection top plate 2, four fixing top covers 5 are arranged at the upper end of the protection top plate 2, the four fixing top covers 5 all penetrate through the protection top plate 2 and are in threaded connection with the corresponding upright posts 8, and the protection top plate 2 is fixed with the protection housing 1 by the fixing top covers 5; sliding connection has a conduction board 4 between four stands 8, the outside of stand 8 and the position department that is located 4 lower extremes of conduction board have all cup jointed two buffer spring 9, the lower extreme of fixed top cap 5 all is fixed with one buffer spring 6, one buffer spring 6 all is connected for cup jointing with stand 8, be convenient for carry on spacingly to conduction board 4 through two buffer spring 9 and one buffer spring 6, and carry out the shock attenuation to conduction board 4 through two buffer spring 9 and one buffer spring 6, the bottom of one buffer spring 6 all is fixed with guard ring 7, the material of guard ring 7 is rubber, be convenient for increase the frictional force between one buffer spring 6 and the conduction board 4 through guard ring 7, also reach the protecting effect to one buffer spring 6.

Referring to fig. 5-8, a fixing assembly is disposed at the upper end of the conducting plate 4, the protection plate body 3 is fixed to the conducting plate 4 through the fixing assembly, the fixing assembly includes a fixing clip seat 10, a moving clip seat 11, a fixing seat 12 and a fixing spring 13, the fixing clip seat 10 is fixed at one end of the upper end of the conducting plate 4, the fixing seat 12 is fixed at the other end of the upper end of the conducting plate 4, the moving clip seat 11 is slidably connected to the upper end of the conducting plate 4 at a position between the fixing clip seat 10 and the fixing seat 12, a pulling plate is disposed at the upper end of the moving clip seat 11, the moving clip seat 11 is manually moved by the pulling plate, the moving clip seat 11 is located at one end close to the fixing seat 12, the fixing spring 13 is fixed between the moving clip seat 11 and the fixing seat 12, so that the moving clip seat 11 is pushed by the fixing spring 13 to approach the fixing clip seat 10, one end of the protection plate body 3 is located inside the fixing clip seat 10, the other end of protection shield body 3 is located inside removing cassette 11, and the cooperation that is convenient for protection shield body 3 through fixed cassette 10 and removal cassette 11 is fixed with conduction board 4, and the inboard of fixed cassette 10 and removal cassette 11 all is fixed with protection piece 14, is convenient for protect the both ends of protection shield body 3 through protection piece 14.

One specific application of this embodiment is: the device and the lithium battery are fixed, the conduction plate 4 is driven to move up and down in the protective shell 1 when vibration is generated, force generated by the vibration is transmitted to the first buffer spring 6 and the second buffer spring 9 through the movement of the conduction plate 4, and the transmitted force is absorbed and diffused through elastic deformation and tensioning stress of the first buffer spring 6 and the second buffer spring 9, so that the effect of relieving the vibration is achieved;

and can dismantle the separation with fixed top cap 5 and stand 8, remove protection roof 2 from the upper end of protective housing 1, take out conduction board 4 from the protective housing 1 is inside, remove cassette 11 through the pulling and move to the direction that is close to fixing base 12 for the distance between removal cassette 11 and the fixed cassette 10 increases, makes the one end of protection shield body 3 with remove cassette 11 and separate, thereby makes protection shield body 3 lose fixedly, and then changes protection shield body 3.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a lithium battery protection shield with shock-absorbing function, includes protective housing (1) and protection shield body (3), its characterized in that: four upright posts (8) are fixed inside the protective shell (1), a protective top plate (2) is assembled at the top end of the protective shell (1), four fixed top covers (5) are arranged at the upper end of the protective top plate (2), and the four fixed top covers (5) penetrate through the protective top plate (2) and are in threaded connection with the corresponding upright posts (8);

four sliding connection has a conduction board (4) between stand (8), the upper end of conduction board (4) is provided with fixed subassembly, protection shield body (3) are fixed through fixed subassembly and conduction board (4).

2. The lithium battery protection sheet with a shock absorbing function as claimed in claim 1, wherein: the outer side of the upright post (8) is provided with a second buffer spring (9) in a sleeved mode at the position located at the lower end of the conducting plate (4), the lower end of the fixed top cover (5) is provided with a first buffer spring (6), and the first buffer spring (6) is connected with the upright post (8) in a sleeved mode.

3. The lithium battery protection board with a shock absorbing function as claimed in claim 2, wherein: and the bottom ends of the buffer springs (6) are all fixed with guard rings (7), and the guard rings (7) are made of rubber.

4. The lithium battery protection board with a shock absorbing function as claimed in claim 1, wherein: the fixing assembly comprises a fixing clamping seat (10), a moving clamping seat (11), a fixing seat (12) and a fixing spring (13), wherein the fixing clamping seat (10) is fixed at one end of the upper end of the conducting plate (4), the fixing seat (12) is fixed at the other end of the upper end of the conducting plate (4), the upper end of the conducting plate (4) is connected with the moving clamping seat (11) in a sliding mode at a position between the fixing clamping seat (10) and the fixing seat (12), the moving clamping seat (11) is located at one end close to the fixing seat (12), the fixing spring (13) is fixed between the moving clamping seat (11) and the fixing seat (12), one end of the protection plate body (3) is located inside the fixing clamping seat (10), and the other end of the protection plate body (3) is located inside the moving clamping seat (11).

5. The lithium battery protection board with a shock absorbing function as claimed in claim 4, wherein: and the inner sides of the fixed clamping seat (10) and the movable clamping seat (11) are both fixed with a protective block (14).

6. The lithium battery protection sheet with a shock absorbing function as claimed in claim 4, wherein: the upper end of the movable clamping seat (11) is provided with a pulling plate.