CN211017207U

CN211017207U - Lithium battery protection plate with shock-absorbing function

Info

Publication number: CN211017207U
Application number: CN202020076187.4U
Authority: CN
Inventors: 陈远华
Original assignee: Shenzhen Li Ion Battery Bodyguard Technology Co ltd
Current assignee: Shenzhen Li Ion Battery Bodyguard Technology Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-07-14
Anticipated expiration: 2030-01-14

Abstract

The utility model relates to a lithium battery protection shield technical field discloses a lithium battery protection shield with shock-absorbing function, including lithium battery protection shield body, shock attenuation board and adjusting screw, the concave holding chamber that can hold lithium cell electricity core of establishing in the centre of lithium battery protection shield body, lithium cell electricity core inlays and locates the holding intracavity and set up, and the shock attenuation board can be respectively on the upper and lower end wall of lithium battery body the setting of activity from top to bottom, and the adjusting screw telescopic sets up on the end wall of lithium battery protection shield, and shock attenuation board and adjusting screw set up with the inner wall butt in battery compartment respectively. The technical scheme of the utility model can effectively avoid lithium battery protection shield body vibration to cause inside lithium cell electricity core to appear becoming flexible with being connected of wire, and simple structure, low cost, easy operation, the practicality is strong.

Description

Lithium battery protection plate with shock-absorbing function

Technical Field

The utility model relates to a lithium battery protection shield technical field, in particular to lithium battery protection shield with shock-absorbing function.

Background

The finished lithium battery mainly comprises two parts, namely a lithium battery core and a protection plate, wherein the lithium battery core mainly comprises a positive plate, a diaphragm, a negative plate and electrolyte; the positive plate, the diaphragm and the negative plate are wound or stacked, packaged and filled with electrolyte, and then packaged to form the battery core. 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, and the charging effect in a series charging mode is effectively improved; simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, so that the service life of the battery is protected and prolonged; the undervoltage protection prevents each single battery from being damaged by overdischarge when the single battery is used for discharging.

However, the lithium battery protection board is installed at the battery compartment, because there is certain clearance between the inner wall of lithium battery protection board and battery compartment to lead to in the vibrations process, the phenomenon of rocking appears easily in the lithium battery protection board, and the electrode line department of lithium battery protection board is buckled easily under the repeated vibration, leads to charging to contact badly, influences charging efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithium battery protection shield with shock-absorbing function aims at solving current lithium battery protection shield and easily leads to appearing rocking phenomenon in the battery compartment, leads to charging the bad technical problem of contact.

In order to achieve the above object, the utility model provides a lithium battery protection shield with shock-absorbing function, including lithium battery protection shield body, shock attenuation board and adjusting screw, the concave holding chamber that can hold lithium battery cell of establishing in the middle of lithium battery protection shield body, lithium battery cell inlays to be located the holding intracavity sets up, the shock attenuation board is in the setting of activity from top to bottom respectively on lithium battery body's the last lower extreme wall, the adjusting screw telescopic sets up on lithium battery protection shield's the end wall, just shock attenuation board and adjusting screw set up with the inner wall butt in battery compartment respectively.

Furthermore, the upper end face and the lower end face of the lithium battery protection plate body are respectively provided with a groove in a concave mode, and the damping plates are respectively arranged in the grooves in a vertically movable mode.

Further, still include the elastic component, the elastic component sets up the bottom of recess, just the both ends of elastic component respectively with recess and damper plate butt.

Further, the upper end wall at the both ends of recess is protruding respectively and is equipped with a first limiting plate, the lower terminal edge at the both ends of shock attenuation board is protruding respectively and is equipped with the second limiting plate, the second limiting plate is located the below setting of first limiting plate, just the second limiting plate can with first limiting plate butt.

Further, the lithium battery protection plate comprises an adjusting nut, the adjusting nut is rotatably arranged on the outer side wall of the lithium battery protection plate body, the adjusting screw is screwed in the adjusting nut, and the adjusting screw is driven to move in a telescopic mode through the adjusting nut.

The lithium battery protection plate comprises an adjusting screw rod, a sliding plate and a rotation stopping block, wherein the sliding plate is arranged at the front end part of the adjusting screw rod, a sliding groove is formed in the end wall of the lithium battery protection plate body, the sliding plate is arranged in the sliding groove in a sliding mode, a limiting groove extending in the length direction is formed in the upper end and the lower end of the sliding groove in a concave mode respectively, the upper end and the lower end of the sliding plate are respectively provided with the rotation stopping block in a protruding mode, the rotation stopping blocks are arranged in the limiting groove in an embedded mode respectively, and the rotation stopping blocks are.

Furthermore, the rear end part of the adjusting screw is provided with a supporting plate, and the supporting plate can be abutted against the inner side wall of the battery compartment.

Furthermore, the elastic parts are arranged in a plurality of numbers, the elastic parts are arranged at the bottom of the groove at intervals along the length direction, and two ends of the elastic parts are abutted to the groove and the damping plate respectively.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, a containing cavity for containing the lithium battery cell is concavely arranged in the middle of the lithium battery protection board body, the lithium battery cell is embedded in the containing cavity, the damping plates are respectively arranged on the upper end wall and the lower end wall of the lithium battery body in a vertically movable manner, the adjusting screw rod is arranged on the end walls of the lithium battery protection board in a telescopic manner, and the damping plates and the adjusting screw rod are respectively abutted against the inner wall of the battery compartment, the lithium battery protection board body is firmly arranged on the inner wall of the battery compartment through the damping plates and the elastic parts for absorbing vibration and the limiting action of the adjusting screw rod, the connection between the internal lithium battery cell and the lead caused by the vibration of the lithium battery protection board body is prevented from loosening, the problem of poor contact of the wiring end caused by the shaking phenomenon of the lithium battery protection board body is, the operation is simple, and the practicability is strong.

Drawings

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

Fig. 1 is a schematic cross-sectional view of a lithium battery protection plate with a shock absorption function according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a lithium battery protection shield with shock-absorbing function.

As shown in fig. 1 to fig. 3, in an embodiment of the present invention, the lithium battery protection board with shock-absorbing function includes a lithium battery protection board body 100, a shock-absorbing board 200 and an adjusting screw 300, a holding cavity 400 capable of holding a lithium battery cell is concavely arranged in the middle of the lithium battery protection board body 100, the lithium battery cell is embedded in the holding cavity 400, the shock-absorbing board 200 is respectively movably disposed on the upper and lower end walls of the lithium battery protection board body 100, the adjusting screw 300 is telescopically disposed on the end wall of the lithium battery protection board 100, and the shock-absorbing board 200 and the adjusting screw 300 are respectively disposed against the inner wall of the battery compartment.

Specifically, the upper and lower end surfaces of the lithium battery protection plate body 100 are respectively provided with a groove 101 in a concave manner, the damping plates 200 are respectively movably arranged in the grooves 101 up and down,

specifically, the damping device further comprises an elastic member 500, wherein the elastic member 500 is arranged at the bottom of the groove 101, and two ends of the elastic member 500 are respectively abutted against the groove 101 and the damping plate 200.

Specifically, the upper end wall at the both ends of recess 101 is protruding respectively and is equipped with a first limiting plate 1011, the lower terminal edge at the both ends of shock attenuation board 200 is protruding respectively and is equipped with second limiting plate 201, second limiting plate 201 is located the below setting of first limiting plate 1011, just second limiting plate 201 can with first limiting plate 1011 butt avoids the shock attenuation board 200 pine to take off.

Specifically, still include adjusting nut 301, the rotatable setting of adjusting nut 301 is in on the lateral wall of lithium battery protection board body 200, adjusting screw 300 revolve in set up in adjusting nut 301, through adjusting nut 301 drive adjusting screw 300 concertina movement makes adjusting screw 300 extension through rotatory adjusting nut 301, until with the inner wall butt in battery compartment for lithium battery protection board is this by firm fixing in battery compartment, prevents to rock the phenomenon and leads to contact failure.

Specifically, the lithium battery protection plate comprises a sliding plate 302, the sliding plate 302 is disposed at the front end of the adjusting screw 300, a sliding slot 102 is disposed on an end wall of the lithium battery protection plate body 100, the sliding plate 302 is slidably disposed along the sliding slot 102, a limiting slot 1021 extending in the length direction is respectively concavely disposed at the upper end and the lower end of the sliding slot 102, a rotation stopping block 3021 is respectively convexly disposed at the upper end and the lower end of the sliding plate 302, the rotation stopping block 3021 is respectively embedded in the limiting slot 1021, and the rotation stopping block 3021 is respectively slidably disposed along the limiting slot 1021.

Specifically, adjusting screw 300's rear end portion is equipped with a backup pad 303, backup pad 303 can with the inside wall butt of battery compartment to it is not hard up to avoid lithium cell protection shield body 100 to rock in the battery compartment.

Specifically, the elastic component 500 is provided with a plurality of, a plurality of the elastic component 500 is in along length direction spaced setting respectively the bottom of recess 101, and a plurality of the both ends of elastic component 500 respectively with recess 101 and shock attenuation board 200 butt have effectively absorbed and have cushioned the vibrations of receiving the lithium cell protection shield through elastic component 500, avoid appearing big rocking, lead to wire electrical connection disconnection inefficacy.

Specifically, the utility model discloses a lithium battery protection plate body's middle concave set up a holding chamber that can hold lithium battery cell, lithium battery cell inlays and locates the holding intracavity and sets up, the shock attenuation board can be up and down movable setting respectively on lithium battery body's upper and lower end wall, adjusting screw telescopic sets up on lithium battery protection plate's end wall, and shock attenuation board and adjusting screw respectively with the inner wall butt setting of battery compartment, through the cushioning effect of shock absorption of shock attenuation board and elastic component, and adjusting screw's limiting action, make lithium battery protection plate body firmly install the inner wall at the battery compartment, avoid lithium battery protection plate body vibration to cause the connection of inside lithium battery cell and wire to become flexible, effectively solved the problem of the poor contact of wiring end that lithium battery protection plate body leads to because of appearing rocking phenomenon, and simple structure, low cost, the operation is simple, and the practicability is strong.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a lithium battery protection shield with shock-absorbing function, its characterized in that, includes lithium battery protection shield body, shock attenuation board and adjusting screw, the concave holding chamber that can hold lithium battery cell of establishing in the centre of lithium battery protection shield body, lithium battery cell inlays to be located the holding intracavity sets up, the setting that the shock attenuation board can move about from top to bottom respectively is in on the upper and lower end wall of lithium battery body, the adjusting screw telescopic sets up on the end wall of lithium battery protection shield, just shock attenuation board and adjusting screw set up with the inner wall butt in battery compartment respectively.

2. The lithium battery protection plate with a shock absorption function as claimed in claim 1, wherein a groove is respectively recessed in the upper and lower end surfaces of the lithium battery protection plate body, and the shock absorption plates are respectively movably disposed in the grooves up and down.

3. The lithium battery protection plate with a shock absorption function as claimed in claim 2, further comprising an elastic member disposed at the bottom of the groove, and both ends of the elastic member abut against the groove and the shock absorption plate, respectively.

4. The lithium battery protection plate with the shock absorption function as claimed in claim 3, wherein a first limiting plate is respectively protruded from upper end walls of two ends of the groove, a second limiting plate is respectively protruded from lower end edges of two ends of the shock absorption plate, the second limiting plate is disposed below the first limiting plate, and the second limiting plate can abut against the first limiting plate.

5. The lithium battery protection plate with the shock absorption function as claimed in claim 1, further comprising an adjusting nut, wherein the adjusting nut is rotatably disposed on an outer side wall of the lithium battery protection plate body, the adjusting screw is screwed into the adjusting nut, and the adjusting nut drives the adjusting screw to move telescopically.

6. The lithium battery protection plate with a shock absorption function as claimed in claim 5, further comprising a sliding plate, wherein the sliding plate is disposed at a front end portion of the adjusting screw, the end wall of the lithium battery protection plate body is provided with a sliding groove, the sliding plate is slidably disposed along the sliding groove, upper and lower ends of the sliding groove are respectively recessed with a longitudinally extending limiting groove, upper and lower ends of the sliding plate are respectively protruded with a rotation stopping block, the rotation stopping blocks are respectively embedded in the limiting grooves, and the rotation stopping blocks are respectively slidably disposed along the limiting grooves.

7. The lithium battery protection plate with the shock absorption function as claimed in claim 1, wherein a support plate is disposed at a rear end portion of the adjusting screw, and the support plate can abut against an inner sidewall of the battery compartment.

8. The lithium battery protection plate with a shock absorption function as claimed in claim 3, wherein the plurality of elastic members are provided, the plurality of elastic members are respectively provided at the bottom of the groove at intervals along the length direction, and both ends of the plurality of elastic members are respectively abutted against the groove and the shock absorption plate.