CN216436039U

CN216436039U - Battery protection plate with long service life

Info

Publication number: CN216436039U
Application number: CN202122945048.8U
Authority: CN
Inventors: 孙海明
Original assignee: Shenzhen Licheng Energy Technology Co ltd
Current assignee: Shenzhen Licheng Energy Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-03
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a long service life's battery protection shield, include: the battery pack protection plate comprises a protection plate body, a shell and a base, wherein the battery pack is connected to the protection plate body, guide rods are symmetrically arranged on the inner wall of the shell, connecting blocks are arranged on the guide rods in a sliding mode, clamping grooves are formed in the side faces of the connecting blocks, the protection plate body is inserted into the inner sides of the clamping grooves, and the base is connected to the lower end of the shell. The utility model discloses a shell and base with the protection shield body parcel in the inboard can avoid colliding with the damage, dismantle the base connecting block and move down simultaneously and made things convenient for the dismouting of protection shield body; through the arrangement of the first spring and the second spring, the protection plate body can be buffered and protected during bumping.

Description

Battery protection plate with long service life

Technical Field

The utility model relates to a battery protection equipment technical field specifically is a long service life's battery protection shield.

Background

The power battery protection board is necessary equipment for enhancing the safety of the power lithium ion battery. In most cases, the lithium electric protection plate should have a function of controlling the operating conditions of the lithium ion battery including voltage, current, temperature, etc. Due to the particularity of the lithium ion battery, the power lithium ion battery must be matched with a protection plate for use so as to ensure the safety and reliability of the whole system.

Most of the current battery protection boards do not have specific protection devices, when the protection boards are under the action of external force, the damage of the board body is easily caused, and meanwhile, the battery pack and the battery pack on the battery protection board are connected by the external force in a loosening manner.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's battery protection shield to solve when the battery protection shield receives the effect of external force, cause the problem of the damage of plate body easily.

In order to achieve the above object, the utility model provides a following technical scheme: a battery protection plate having a long service life, comprising: the battery pack protection plate comprises a protection plate body, a shell and a base, wherein a battery pack is connected to the protection plate body, guide rods are symmetrically arranged on the inner wall of the shell, a connecting block is arranged on each guide rod in a sliding mode, a clamping groove is formed in the side face of each connecting block, the protection plate body is inserted into the inner side of the clamping groove and positioned through a rubber pad in the inner side of the clamping groove and the friction force of the rubber pad, and the lower end of the shell is connected with the base.

Preferably, be provided with the preformed hole on the base, the preformed hole inboard is pegged graft and is had the guide bar, threaded connection has positioning bolt on the base, and positioning bolt's upper end threaded connection shell is connected through positioning bolt between shell and the base, and after dismantling positioning bolt and lift the base off, the connecting block removed downwards along the guide bar, stretches out the inside dismouting that makes things convenient for the protection shield body of shell with the protection shield body.

Preferably, the ejector block is sleeved on the guide rod, the ejector block is limited when the second spring moves downwards along the guide rod, meanwhile, the second spring can be prevented from entering the reserved hole downwards through the ejector block abutting against the second spring after the base is connected with the shell, and the second spring can be buffered by the protection plate body at the supporting point when bumping.

Preferably, first spring and second spring have been cup jointed in the sliding on the guide bar, and first spring is located between shell inner wall and the connecting block, and the second spring is located between connecting block and the kicking block, and the back is accomplished in the installation of protection shield body, and the connecting block drives the protection shield body and reciprocates through the elasticity of first spring and second spring and can give the buffering when jolting along the guide bar when jolting.

Preferably, be provided with the heating panel between the connecting block, heating panel heat-absorbing surface and this body coupling of protection shield, heating panel and connecting block fixed connection can make connecting block synchronous motion through the heating panel, and the heat that the heating panel absorbed the protection shield body and produced outwards gives off fast.

Preferably, the base is provided with a dustproof heat dissipation port, and the dustproof heat dissipation port can play a role in heat exchange.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a shell and base can avoid colliding with the protection shield body parcel in the inboard impaired, dismantle the base connecting block downstream simultaneously and made things convenient for the dismouting of protection shield body.

2. The utility model discloses a setting up of first spring and second spring can give protection shield body buffer protection when jolting.

3. The utility model discloses a setting up of dustproof thermovent and heating panel can cool down to the protection shield body.

Drawings

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

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

in the figure: the battery pack protection device comprises a protection plate body 1, a battery pack 11, a shell 2, a guide rod 21, a connecting block 22, a first spring 23, a second spring 24, a top block 25, a clamping groove 26, a heat dissipation plate 27, a base 3, a dustproof heat dissipation opening 31, a reserved hole 32 and a positioning bolt 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a battery protection plate having a long service life is shown, including: protection shield body 1, shell 2 and base 3 are connected with group battery 11 on the

protection shield body

1, and 2 inner walls of shell symmetry are provided with guide bar 21, and the sliding is provided with connecting block 22 on guide bar 21, and connecting block 22 side is provided with draw-in groove 26, and the inboard protection shield body 1 of pegging graft of draw-in groove 26, and the lower extreme of shell 2 is connected with base 3.

Be provided with preformed hole 32 on the base 3, it has guide bar 21 to peg graft in preformed hole 32 inboard, threaded connection has positioning bolt 33 on the base 3, positioning bolt 33's upper end threaded connection shell 2, be connected through positioning bolt 33 between shell 2 and the base 3, dismantling positioning bolt 33 and lift the back with base 3 off, connecting block 22 moves down along guide bar 21, will protect the dismouting that protection shield body 1 stretches out the inside convenient protection shield body 1 of shell 2.

When this battery protection shield used: protection shield body 1 is pegged graft at draw-in groove 26 inboardly, protects the damage that can avoid colliding with and leading to through shell 2 and base 3, and the back is taken out base 3 in dismantling positioning bolt 33 simultaneously, and connecting block 22 moves down along guide bar 21, can stretch out connecting block 22 and can make things convenient for the dismouting of protection shield body 1 inside the shell 2.

Example 2

Referring to fig. 1 and 2, the present embodiment further illustrates an example 1, in which a battery protection plate having a long service life includes: protection shield body 1, shell 2 and base 3 are connected with group battery 11 on the

protection shield body

The heat dissipation plates 27 are arranged between the connecting blocks 22, the heat dissipation plates 27 are fixedly connected with the connecting blocks 22, and the connecting blocks 22 can move synchronously through the heat dissipation plates 27.

The ejector block 25 is sleeved on the guide rod 21, the ejector block 25 is limited to the second spring 24 when moving downwards along the guide rod 21, meanwhile, the second spring 24 can be prevented from entering the reserved hole 32 downwards through the ejector block 25 in a butting mode on the second spring 24 after the base 3 and the shell 2 are connected, and the second spring 24 can be used as a supporting point and buffered by the protection plate body 1 when bumping.

First spring 23 and second spring 24 have been cup jointed in the slip on the guide bar 21, and first spring 23 is located between 2 inner walls of shell and connecting block 22, and second spring 24 is located between connecting block 22 and kicking block 25, and after protection plate body 1 installed, connecting block 22 drove protection plate body 1 and reciprocated through first spring 23 and second spring 24's elasticity can give the buffering when jolting along guide bar 21 when jolting.

In this embodiment, under the state of jolting, connecting block 22, heating panel 27 and protection shield body 1 can reciprocate along guide bar 21, because the second spring 24 has been cup jointed to the first spring 23 lower extreme in guide bar 21 upper end, drive protection shield body 1 at connecting block 22 and reciprocate along guide bar 21 and can avoid the damage of jolting for the buffer protection when jolting through the elasticity of first spring 23 and second spring 24.

Example 3

Referring to fig. 1 and fig. 2, the present embodiment further illustrates another embodiment of a battery protection plate with a long service life, including: protection shield body 1, shell 2 and base 3 are connected with group battery 11 on the

protection shield body

Be provided with heating panel 27 between connecting block 22, the heating panel 27 heat-absorbing surface is connected with protection shield body 1, and heating panel 27 brass preparation forms, absorbs the heat that protection shield body 1 produced through heating panel 27 and outwards gives off fast, can cool down protection shield body 1.

Be provided with dustproof thermovent 31 on base 3, dustproof thermovent 31's setting can play the heat transfer effect.

In this embodiment, the heat generated by the protection plate body 1 is dissipated outwards through the dustproof heat dissipation port 31 and is dissipated outwards through the heat dissipation plate 27, so that the protection plate body 1 can be cooled and the service life of the protection plate body 1 can be prolonged.

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 various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A long service life battery protection plate, comprising:

the protective plate comprises a protective plate body (1), a shell (2) and a base (3), wherein a battery pack (11) is connected onto the protective plate body (1), guide rods (21) are symmetrically arranged on the inner wall of the shell (2), connecting blocks (22) are arranged on the guide rods (21) in a sliding mode, clamping grooves (26) are formed in the side faces of the connecting blocks (22), the protective plate body (1) is inserted into the inner sides of the clamping grooves (26), and the base (3) is connected to the lower end of the shell (2).

2. A long-life battery protection plate as set forth in claim 1, wherein: the base (3) is provided with a preformed hole (32), the inner side of the preformed hole (32) is spliced with a guide rod (21), the base (3) is connected with a positioning bolt (33) in a threaded manner, and the upper end of the positioning bolt (33) is connected with the shell (2) in a threaded manner.

3. A long-life battery protection plate as set forth in claim 1, wherein: the guide rod (21) is sleeved with a top block (25).

4. A long-life battery protection plate as set forth in claim 1, wherein: first spring (23) and second spring (24) have been cup jointed in the slip on guide bar (21), and first spring (23) are located between shell (2) inner wall and connecting block (22), and second spring (24) are located between connecting block (22) and kicking block (25).

5. A long-life battery protection plate as set forth in claim 1, wherein: a heat dissipation plate (27) is arranged between the connecting blocks (22), and the heat absorption surface of the heat dissipation plate (27) is connected with the protection plate body (1).

6. A long-life battery protection plate as set forth in claim 1, wherein: and a dustproof heat dissipation port (31) is arranged on the base (3).