CN216085123U

CN216085123U - Power lithium battery pack protection plate

Info

Publication number: CN216085123U
Application number: CN202122325688.9U
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: 2022-03-18
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a power lithium battery pack protection plate, and relates to the technical field of battery protection. The battery pack protection plate comprises a battery pack body, a protection shell and a protection plate body, wherein the protection shell is fixed with one side of the battery pack body, an installation plate is connected inside the protection shell, and the protection plate body is fixed on one side of the installation plate through screws. According to the utility model, through the structural matching of the limiting rod, the fixing plate, the conduction plate and the first elastic part, when vibration is generated, the force generated by the vibration is transmitted to the first elastic part through the conduction plate, the vibration can be effectively relieved through the first elastic part, so that the protection effect of the protection plate body is achieved.

Description

Power lithium battery pack protection plate

Technical Field

The utility model belongs to the technical field of battery protection, and particularly relates to a power lithium battery pack protection plate.

Background

The power lithium battery pack protection plate has the main functions of protecting the functions of lithium battery such as overshoot, overdischarge, overcurrent and short circuit;

however, some existing power lithium battery pack body protection plates do not have a damping function and are therefore prone to damage, and meanwhile, some existing power lithium battery pack body protection plates are poor in protection effect and difficult to relieve impact when the impact is received, and therefore the power lithium battery pack body protection plates are also prone to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power lithium battery pack protection plate, which solves the existing problems: some existing power lithium battery pack body protection plates do not have a damping function, and therefore are easy to damage.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a power lithium cell group protection shield, includes group battery body, protective housing and protection shield body, protective housing is fixed with one side of group battery body, protective housing's internal connection has the mounting panel, the protection shield body passes through the fix with screw in mounting panel one side, one side that group battery body was kept away from to protective housing is pegged graft and is had buffering shell, it is fixed through a plurality of buffering subassemblies between protective housing and the buffering shell.

Further, the inside both sides of protecting sheathing all are fixed with the gag lever post, the both ends of gag lever post all are fixed with the fixed plate, the gag lever post passes through the fixed plate and is fixed with protecting sheathing, the both sides of mounting panel all are fixed with the conduction board, the conduction board is sliding connection with the gag lever post, all be connected with elastic component one between conduction board and the fixed plate.

Further, the buffering subassembly includes conduction pole, elastic component two and buffering base, the one end and the protective housing of buffering base are fixed, the other end sliding connection of buffering base has the conduction pole, the one end and the buffering shell of conduction pole are fixed, the one end that the buffering shell was kept away from to the conduction pole just is located the internally mounted of buffering base and has elastic component two.

Furthermore, one side of the buffer shell far away from the protective shell is provided with fixing screws with the same quantity as the conducting rods, and the fixing screws penetrate through the buffer shell and are in threaded connection with the corresponding conducting rods.

Furthermore, the first elastic piece and the second elastic piece are force-releasing springs.

Further, the buffering base and the protective shell are fixed through hot melting.

The utility model has the following beneficial effects:

1. according to the utility model, through the structural matching of the limiting rod, the fixing plate, the conduction plate and the first elastic part, when vibration is generated, the force generated by the vibration is conducted to the first elastic part through the conduction plate, and the vibration can be effectively relieved through the first elastic part, so that the effect of protecting the protection plate body is achieved.

2. According to the utility model, through the structural design of the buffer component, the buffer shell can contract and move towards the interior of the protective shell when being impacted, the force generated by the impact is transmitted to the buffer component through the movement of the buffer shell, and the impact is effectively relieved through the structural matching of the buffer component.

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 a schematic view of the connection structure of the mounting plate and the protective housing according to the present invention;

FIG. 3 is a sectional view of a connection structure of a buffer housing and a protective housing according to the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

fig. 5 is an exploded view of the connection structure of the buffer housing and the protective housing according to the present invention.

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

1. a battery pack body; 2. a protective housing; 3. a protection plate body; 4. mounting a plate; 5. a limiting rod; 6. a fixing plate; 7. a conductive plate; 8. a first elastic part; 9. a buffer housing; 10. a conductive rod; 11. a set screw; 12. a second elastic piece; 13. buffer base.

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 5, the utility model relates to a power lithium battery pack protection plate, which comprises a battery pack body 1, a protection shell 2 and a protection plate body 3, wherein the protection shell 2 is fixed to one side of the battery pack body 1, an installation plate 4 is connected to the inside of the protection shell 2, the protection plate body 3 is fixed to one side of the installation plate 4 through screws, and the protection plate body 3 is fixed to the inside of the protection shell 2 through the installation plate 4; limiting rods 5 are fixed on two sides of the interior of the protective shell 2, fixing plates 6 are fixed at two ends of each limiting rod 5, each limiting rod 5 is fixed with the protective shell 2 through the fixing plate 6, conducting plates 7 are fixed on two sides of the mounting plate 4, the conducting plates 7 are in sliding connection with the limiting rods 5, the mounting plate 4 is in sliding connection with the limiting rods 5 through the conducting plates 7, the mounting plate 4 is connected with the protective shell 2 through the conducting plates 7, the limiting rods 5 and the fixing plates 6, elastic pieces I8 are connected between the conducting plates 7 and the fixing plates 6, force generated by vibration is conveniently conducted to the elastic pieces I8 through the conducting plates 7 when the vibration is generated, and the vibration is relieved through the elastic pieces I8, so that a damping effect is achieved;

one side of the protective shell 2, which is far away from the battery pack body 1, is inserted with a buffer shell 9, the protective shell 2 and the buffer shell 9 are fixed through a plurality of buffer components, each buffer component comprises a conducting rod 10, an elastic piece II 12 and a buffer base 13, one end of each buffer base 13 is fixed with the protective shell 2, the buffer bases 13 and the protective shells 2 are fixed through hot melting, so that the buffer bases 13 and the protective shells 2 are more firmly and stably fixed, the other ends of the buffer bases 13 are slidably connected with the conducting rods 10, one ends of the conducting rods 10 are fixed with the buffer shells 9, the elastic pieces II 12 are assembled at one ends of the conducting rods 10, which are far away from the buffer shells 9 and are positioned inside the buffer bases 13, the elastic pieces I8 and the elastic pieces II 12 are force-unloading springs, so as to maintain or replace the protective plate body 3 inside the protective shell 2, one side of the buffer shells 9, which is far away from the protective shells 2, is provided with fixing screws 11 which are the same as the conducting rods 10 in quantity, the fixing screws 11 penetrate through the buffer shell 9 and are in threaded connection with the corresponding conducting rods 10.

One specific application of this embodiment is: when vibration occurs, the mounting plate 4 can vibrate up and down in the protective shell 2, the force generated by vibration is transmitted to the elastic part I8 through the conducting plate 7 when the mounting plate 4 vibrates up and down through the sliding connection of the conducting plate 7 and the limiting rod 5, and the transmitted force is absorbed and diffused through the elastic deformation and tensioning stress of the elastic part I8, so that the effect of relieving the vibration is achieved;

when the buffer shell 9 is impacted, the buffer shell 9 can contract and move towards the inside of the protective shell 2, the buffer shell 9 and the conduction rod 10 are fixed, so that the buffer shell 9 contracts and moves towards the inside of the protective shell 2 to drive the conduction rod 10 to move towards the inside of the buffer base 13, the force generated by impact is transmitted to the second elastic part 12 through the movement of the conduction rod 10, and the transmitted force is absorbed and diffused through elastic deformation and tensioning stress of the second elastic part 12, so that the impact relieving effect is achieved;

when needing to maintain protection shield body 3, dismantle the separation with set screw 11 and conduction pole 10 to it is spacing to make buffering shell 9 lose, can maintain protection shield body 3 of protection shell 2 internal fixation again after separating buffering shell 9 and protection shell 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 power lithium cell group protection shield, includes group battery body (1), protective housing (2) and protection shield body (3), its characterized in that: the battery pack protection device is characterized in that the protection shell (2) is fixed to one side of the battery pack body (1), the protection shell (2) is connected with the mounting plate (4) in the inner portion, the protection plate body (3) is fixed to one side of the mounting plate (4) through screws, the buffer shell (9) is inserted into one side, away from the battery pack body (1), of the protection shell (2), and the protection shell (2) and the buffer shell (9) are fixed through a plurality of buffer assemblies.

2. The lithium power battery pack protective plate according to claim 1, wherein: the inside both sides of protecting sheathing (2) all are fixed with gag lever post (5), the both ends of gag lever post (5) all are fixed with fixed plate (6), gag lever post (5) are fixed with protecting sheathing (2) through fixed plate (6), the both sides of mounting panel (4) all are fixed with conduction board (7), conduction board (7) are sliding connection with gag lever post (5), all be connected with elastic component (8) between conduction board (7) and fixed plate (6).

3. The lithium power battery pack protective plate according to claim 2, wherein: the buffer assembly comprises a conductive rod (10), two elastic pieces (12) and a buffer base (13), one end of the buffer base (13) is fixed to the protective shell (2), the other end of the buffer base (13) is connected with the conductive rod (10) in a sliding mode, one end of the conductive rod (10) is fixed to the buffer shell (9), and the conductive rod (10) is far away from one end of the buffer shell (9) and located inside the buffer base (13) and is provided with the elastic pieces (12).

4. The lithium power battery pack protective plate according to claim 3, wherein: one side of the buffer shell (9) far away from the protective shell (2) is provided with fixing screws (11) with the same quantity as the conducting rods (10), and the fixing screws (11) penetrate through the buffer shell (9) and are in threaded connection with the corresponding conducting rods (10).

5. The lithium power battery pack protective plate according to claim 3, wherein: the first elastic piece (8) and the second elastic piece (12) are force-releasing springs.

6. The lithium power battery pack protective plate according to claim 3, wherein: the buffer base (13) and the protective shell (2) are fixed through hot melting.