CN210984799U

CN210984799U - Protection mechanism of lithium battery

Info

Publication number: CN210984799U
Application number: CN201922106384.6U
Authority: CN
Inventors: 武川云
Original assignee: Xingheng Power Supply Chuzhou Co ltd
Current assignee: Xingheng Power Supply Chuzhou Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-10
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a protection machanism of lithium cell, comprises a box bod, the first spring of bottom fixedly connected with of box body inner wall, the top fixedly connected with diaphragm of first spring, the surface of diaphragm and the inner wall sliding connection of box body, the top of diaphragm is provided with lithium cell body, lithium cell body's top is provided with fixed establishment, fixed establishment's the outside runs through to the inside of box body. The utility model discloses a set up the box body, first spring, the diaphragm, lithium cell body, fixed establishment, the apron, the second spring, the crossband, the fixed block, the ejector pad, the extension board, the cooperation of filter screen and dog is used, the in-process of having solved the lithium cell that needs is using, can't protect the lithium cell, when collision or vibration appear in the electrical apparatus, the lithium cell can receive the collision extrusion of external force, lead to the lithium cell to cause the problem that the lithium cell damaged because of the collision extrusion, this protection machanism of lithium cell possesses the advantage of protection, the practicality of lithium cell has been improved.

Description

Protection mechanism of lithium battery

Technical Field

The utility model relates to a lithium cell technical field specifically is a protection machanism of lithium cell.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain metallic lithium and can be charged, the fifth generation products of rechargeable batteries, namely the lithium metal batteries, are produced in 1996, the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the rechargeable batteries are all superior to those of the lithium ion batteries, and due to the high technical requirement limit of the rechargeable batteries, only a few national companies produce the lithium metal batteries at present.

In-process that uses at electrical apparatus, need use the lithium cell, but the in-process that the lithium cell that needs used can't protect the lithium cell, when collision or vibration appear in electrical apparatus, the lithium cell can receive the collision extrusion of external force, leads to the lithium cell to cause the lithium cell to damage because of the collision extrusion, has reduced the practicality of lithium cell.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An it is not enough to prior art, the utility model aims to provide a protection machanism of lithium cell possesses the advantage of protection, and the in-process of using of the lithium cell of having solved needs can't protect the lithium cell, and when collision or vibration appear in the electrical apparatus, the lithium cell can receive the collision extrusion of external force, leads to the lithium cell to cause the problem of lithium cell damage because of the collision extrusion.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protection machanism of lithium cell, includes the box body, the first spring of bottom fixedly connected with of box body inner wall, the top fixedly connected with diaphragm of first spring, the surface of diaphragm and the inner wall sliding connection of box body, the top of diaphragm is provided with lithium cell body, lithium cell body's top is provided with fixed establishment, fixed establishment's the outside runs through to the inside of box body, the through-hole has all been seted up to the front and the back of box body, the vertical fixedly connected with fan in inside of through-hole, the equal fixedly connected with extension board in front and the back of box body, the inside of extension board is provided with the filter screen, the front and the back of filter screen all with the inside sliding connection of extension board, there is the dog at the left top of.

Preferably, the fixing mechanism includes the apron, the apron is located lithium cell body's top, the surface of apron and the inner wall sliding connection of box body, the standing groove has all been seted up to the inside both sides of apron, the inboard fixedly connected with second spring of standing groove inner wall, the outside fixedly connected with crossbearer of second spring, the front and the back of crossbearer all with the inner wall sliding connection of standing groove, the outside fixedly connected with fixed block of crossbearer, the outside of fixed block runs through to the inside of box body, the top fixedly connected with ejector pad of crossbearer, the top of ejector pad runs through to the top of apron.

Preferably, the front side and the back side of the cover plate are fixedly connected with limit blocks, limit grooves matched with the limit blocks for use are formed in the inner wall of the box body, the limit blocks and the limit grooves are semicircular in shape, and movable holes matched with the push blocks for use are formed in the top of the cover plate.

Preferably, the first gasket of the equal fixedly connected with in both sides of apron bottom, the bottom of first gasket contacts with lithium cell body's top, the top fixedly connected with second gasket of diaphragm, the top of second gasket contacts with lithium cell body's bottom.

Preferably, the inner wall of the support plate is provided with a movable groove matched with the filter screen for use, the right side of the top of the support plate is fixedly connected with a positioning block, and the bottom of the stop block is provided with a positioning groove matched with the positioning block for use.

Preferably, the top of box body both sides all is seted up flutedly, and there is the pull ring recess inside through pivot swing joint, the fixed surface of pull ring is connected with anti-skidding line, the shape of extension board is concave type.

(III) advantageous effects

Compared with the prior art, the utility model provides a protection machanism of lithium cell possesses following beneficial effect:

1. this protection machanism of lithium cell, through setting up the box body, first spring, the diaphragm, lithium cell body, fixed establishment, the apron, the second spring, the crossband, the fixed block, the ejector pad, the extension board, the cooperation of filter screen and dog is used, the lithium cell of having solved needs is at the in-process that uses, can't protect the lithium cell, when collision or vibration appear in the electrical apparatus, the lithium cell can receive the collision extrusion of external force, lead to the lithium cell to cause the problem that the lithium cell damaged because of the collision extrusion, this protection machanism of lithium cell, the advantage that possesses the protection, the practicality of lithium cell has been improved.

2. This protection machanism of lithium cell, cooperation through stopper and spacing groove is used, can reduce the friction of apron and box body, the life of apron has been prolonged, simultaneously played spacing effect to the position of apron, setting through first gasket and second gasket, can reduce the friction of apron and diaphragm and lithium cell body, the life of lithium cell body has been prolonged, the effect of protection has been played to the position of lithium cell body simultaneously, cooperation through locating piece and constant head tank is used, can play spacing effect to the position of dog, setting through the movable groove, can play spacing effect to the position of filter screen, setting through the pull ring, can the person of facilitating the use stimulate the box body, setting through anti-skidding line, the phenomenon of skidding appears when can preventing to stimulate the pull ring.

Drawings

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

FIG. 2 is a front sectional view of the structure of FIG. 1 according to the present invention;

fig. 3 is a top view of the cover plate structure shown in fig. 2 according to the present invention.

In the figure: the lithium battery comprises a box body 1, a first spring 2, a transverse plate 3, a lithium battery body 4, a fixing mechanism 5, a cover plate 51, a second spring 52, a transverse block 53, a fixing block 54, a pushing block 55, a supporting plate 6, a filter screen 7, a stop block 8, a limiting block 9, a first gasket 10, a second gasket 11, a positioning block 12, a pull ring 13 and a fan 14.

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.

Referring to fig. 1-3, a protection mechanism for a lithium battery comprises a box body 1, a first spring 2 is fixedly connected to the bottom of the inner wall of the box body 1, a transverse plate 3 is fixedly connected to the top of the first spring 2, the surface of the transverse plate 3 is slidably connected to the inner wall of the box body 1, a lithium battery body 4 is arranged on the top of the transverse plate 3, a fixing mechanism 5 is arranged on the top of the lithium battery body 4, the fixing mechanism 5 comprises a cover plate 51, the cover plate 51 is located on the top of the lithium battery body 4, the surface of the cover plate 51 is slidably connected to the inner wall of the box body 1, placing grooves are respectively formed on both sides of the inner part of the cover plate 51, a second spring 52 is fixedly connected to the inner side of the inner wall of the placing groove, a transverse block 53 is fixedly connected to the outer side of the second spring 52, the front side and the back side of the transverse block 53, the top of the transverse block 53 is fixedly connected with a push block 55, the top of the push block 55 penetrates through to the top of the cover plate 51, the outer side of the fixing mechanism 5 penetrates through to the inside of the box body 1, through holes are formed in the front and the back of the box body 1, a fan 14 is longitudinally and fixedly connected inside the through holes, the front and the back of the box body 1 are fixedly connected with a support plate 6, a filter screen 7 is arranged inside the support plate 6, the front and the back of the filter screen 7 are slidably connected with the inside of the support plate 6, the left top of the support plate 6 is movably connected with a stop block 8 through a hinge, the front and the back of the cover plate 51 are fixedly connected with stop blocks 9, the inner wall of the box body 1 is provided with limit grooves matched with the stop blocks 9, the stop blocks 9 and the limit grooves are semicircular in shape, the top of the cover plate 51 is provided with movable holes matched, the service life of the cover plate 51 is prolonged, meanwhile, the position of the cover plate 51 is limited, the first gasket 10 is fixedly connected to two sides of the bottom of the cover plate 51, the bottom of the first gasket 10 is contacted with the top of the lithium battery body 4, the second gasket 11 is fixedly connected to the top of the transverse plate 3, the top of the second gasket 11 is contacted with the bottom of the lithium battery body 4, through the arrangement of the first gasket 10 and the second gasket 11, the friction between the cover plate 51 and the transverse plate 3 and the lithium battery body 4 can be reduced, the service life of the lithium battery body 4 is prolonged, meanwhile, the position of the lithium battery body 4 is protected, the inner wall of the support plate 6 is provided with a movable groove matched with the filter screen 7 for use, the right side of the top of the support plate 6 is fixedly connected with the positioning block 12, the bottom of the stop block 8 is provided with a positioning groove matched with the positioning, can play spacing effect to the position of dog 8, through the setting of activity groove, can play spacing effect to the position of filter screen 7, the top of box body 1 both sides all is seted up flutedly, there is pull ring 13 the inside of recess through pivot swing joint, pull ring 13's fixed surface is connected with anti-skidding line, extension board 6's shape is type of calligraphy concave, through the setting of pull ring 13, can the person of facilitating the use stimulate box body 1, through the setting of anti-skidding line, the phenomenon of skidding appears when can preventing to stimulate pull ring 13.

When the lithium battery pack is used, a user pushes the push block 55 inwards, the push block 55 moves inwards to drive the transverse block 53 and the fixed block 54 to move inwards, the fixed block 54 is separated from the fixed groove, the transverse block 53 moves outwards to compress the second spring 52, then the push block 55 is pulled upwards to separate the cover plate 51 from the box body 1, then the lithium battery body 4 is pulled upwards to separate the lithium battery body 4 from the box body 1, at this time, the lithium battery body 4 can be replaced, then the lithium battery body 4 is pushed downwards, the bottom of the lithium battery body 4 is contacted with the top of the second gasket 11, the lithium battery body 4 moves downwards to drive the transverse plate 3 to move downwards, the transverse plate 3 moves downwards to compress the first spring 2, the lithium battery body 4 at the top of the transverse plate 3 is damped through the first spring 2, then the cover plate 51 is pushed downwards to clamp the cover plate 51 into the clamping groove, and the bottom of the first gasket 10, loosening ejector pad 55 simultaneously, the resilience force of second spring 52 drives horizontal piece 53, fixed block 54 and ejector pad 55 and resets, makes the inside of fixed block 54 card income fixed slot, makes the position of apron 51 fix, then starts fan 14, extracts the inside air of box body 1 through fan 14, dispels the heat to the inside lithium cell body 4 of box body 1.

In summary, the following steps: this protection machanism of lithium cell, through setting up box body 1, first spring 2, diaphragm 3, lithium cell body 4, fixed establishment 5, apron 51, second spring 52, horizontal piece 53, fixed block 54, ejector pad 55, extension board 6, the cooperation of filter screen 7 and dog 8 is used, the lithium cell of having solved needs is at the in-process that uses, can't protect the lithium cell, when collision or vibration appear in electrical apparatus, the lithium cell can receive the collision extrusion of external force, lead to the lithium cell to cause the problem that the lithium cell damaged because of the collision extrusion.

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 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. The utility model provides a protection machanism of lithium cell, includes box body (1), its characterized in that: the bottom of the inner wall of the box body (1) is fixedly connected with a first spring (2), the top of the first spring (2) is fixedly connected with a transverse plate (3), the surface of the transverse plate (3) is connected with the inner wall of the box body (1) in a sliding way, a lithium battery body (4) is arranged at the top of the transverse plate (3), the top of the lithium battery body (4) is provided with a fixing mechanism (5), the outer side of the fixing mechanism (5) penetrates into the box body (1), the front and the back of the box body (1) are both provided with through holes, the inside of each through hole is longitudinally and fixedly connected with a fan (14), the front and the back of the box body (1) are both fixedly connected with supporting plates (6), a filter screen (7) is arranged inside the support plate (6), the front and the back of the filter screen (7) are both connected with the inside of the support plate (6) in a sliding way, the top of the left side of the support plate (6) is movably connected with a stop block (8) through a hinge.

2. The lithium battery protection mechanism of claim 1, wherein: the fixing mechanism (5) comprises a cover plate (51), the cover plate (51) is located at the top of the lithium battery body (4), the surface of the cover plate (51) is connected with the inner wall of the box body (1) in a sliding mode, the two sides of the inner portion of the cover plate (51) are provided with placing grooves, the inner side of the inner wall of each placing groove is fixedly connected with a second spring (52), the outer side of each second spring (52) is fixedly connected with a transverse block (53), the front side and the back side of each transverse block (53) are connected with the inner wall of each placing groove in a sliding mode, the outer side of each transverse block (53) is fixedly connected with a fixing block (54), the outer side of each fixing block (54) penetrates through the inner portion of the box body (1), the top of each transverse block (53) is fixedly connected with a push block (55), and the top of each push.

3. The lithium battery protection mechanism of claim 2, wherein: the cover plate (51) is characterized in that the front surface and the back surface of the cover plate (51) are fixedly connected with limiting blocks (9), the inner wall of the box body (1) is provided with limiting grooves matched with the limiting blocks (9), the limiting blocks (9) and the limiting grooves are semicircular in shape, and the top of the cover plate (51) is provided with movable holes matched with push blocks (55) for use.

4. The lithium battery protection mechanism of claim 2, wherein: the lithium battery cover plate is characterized in that first gaskets (10) are fixedly connected to two sides of the bottom of the cover plate (51), the bottom of each first gasket (10) is in contact with the top of the lithium battery body (4), second gaskets (11) are fixedly connected to the top of the transverse plate (3), and the top of each second gasket (11) is in contact with the bottom of the lithium battery body (4).

5. The lithium battery protection mechanism of claim 1, wherein: the inner wall of the support plate (6) is provided with a movable groove matched with the filter screen (7) for use, the right side of the top of the support plate (6) is fixedly connected with a positioning block (12), and the bottom of the stop block (8) is provided with a positioning groove matched with the positioning block (12) for use.

6. The lithium battery protection mechanism of claim 1, wherein: the box body (1) is characterized in that grooves are formed in the tops of two sides of the box body, pull rings (13) are movably connected to the inner portions of the grooves through rotating shafts, anti-skid grains are fixedly connected to the surfaces of the pull rings (13), and the support plates (6) are concave.