CN205692923U

CN205692923U - A kind of lithium polymer battery with safety guard

Info

Publication number: CN205692923U
Application number: CN201620590778.7U
Authority: CN
Inventors: 蔡若双; 刘来兵; 宋海军
Original assignee: Shenzhen Yingtelai Industrial Ltd By Share Ltd
Current assignee: Shenzhen Yingtelai Industrial Ltd By Share Ltd
Priority date: 2016-06-16
Filing date: 2016-06-16
Publication date: 2016-11-16
Anticipated expiration: 2026-06-16

Abstract

The utility model discloses a kind of lithium polymer battery with safety guard, including housing, the middle part of housing cavity is provided with battery core, the both sides of battery core are all installed with fixing seat, fixing seat is fixedly connected with the first damping spring away from one end of battery core, first damping spring is fixedly connected with two ends away from one end of fixing seat and fixes, with housing cavity side, the spongy layer being connected respectively, spongy layer is fixedly connected with the air cushion layer that be connected fixing with bottom housing cavity with housing cavity top respectively away from one end of the first damping spring, the side of battery core is installed with two ends and fixes the fixing post being connected respectively with spongy layer side, the side of fixing post is plugged with five open tubular columns, the top of housing and the bottom of housing are all installed with drop resistant device.This utility model, by the setting of drop resistant device, allows the battery core in housing obtain buffer protection after by punching press, such that it is able to increase the service efficiency of lithium polymer battery to a certain extent.

Description

A kind of lithium polymer battery with safety guard

Technical field

This utility model relates to cell art, a kind of lithium polymer battery with safety guard.

Background technology

Polymer battery is also known as high-polymer lithium battery, and it is also the one of lithium ion battery, but compared with liquid lithium battery Have that energy density is high, smallerization, ultrathin, the multiple clear superiority such as lightweight and high security, be a kind of Novel electric Pond, in shape, lithium polymer battery has ultrathin feature, can coordinate the needs of various product, is fabricated to any shape With the battery of capacity, the minimum thickness that such battery can reach is up to 0.5mm, and its nominal voltage is also nominal voltage 3.7V, does not has a memory effect, and little for the battery core particle diameter of inside battery, area big, white color and purity high, titanium can be used In acid lithium battery material and cobalt acid lithium battery material.

Current lithium polymer battery often can run into punching press or the collision of external force during using, and often can cause The damage of the internal battery core of lithium polymer battery, thus can significantly reduce the service efficiency of lithium polymer battery, thus increase The big cost using lithium polymer battery.

Utility model content

The purpose of this utility model is to provide a kind of lithium polymer battery with safety guard, above-mentioned to solve The problem proposed in background technology.

For achieving the above object, this utility model provides following technical scheme: a kind of lithium with safety guard gathers Compound battery, including housing, the middle part of described housing cavity is provided with battery core, and the both sides of battery core are all installed with fixing seat, Fixing seat is fixedly connected with the first damping spring away from one end of battery core, and the first damping spring is fixing even away from one end of fixing seat Being connected to two ends and fix, with housing cavity side, the spongy layer being connected respectively, spongy layer is fixing even away from one end of the first damping spring Being connected to the air cushion layer that be connected fixing with bottom housing cavity with housing cavity top respectively, the side of described battery core is installed with The fixing post being connected is fixed at two ends respectively with spongy layer side, and the side of fixing post is plugged with five open tubular columns, and housing Side opening is provided with passage, and the top of described housing and the bottom of housing are all installed with drop resistant device.

Preferably, described drop resistant device includes that the first raised plate, the top of described first raised plate offer dashpot, slow The side of jet-bedding is fixedly connected with the connection gasket being positioned at the first raised plate top, and connection gasket is fixed away from the side of the first raised plate Connecting has the second raised plate, the bottom of the second raised plate to be fixedly connected with the protruding block suitable with dashpot, and protruding block One end away from the second raised plate is fixedly connected with second damping spring that be connected fixing with bottom dashpot.

Preferably, described battery core is lighium polymer battery core.

Preferably, the quantity of described first damping spring is six, and the first damping spring is divided into two rows and is arranged on battery core Both sides, and each quantity that ranked first damping spring is three.

Preferably, the quantity of described dashpot and protruding block is nine.

Compared with prior art, the beneficial effects of the utility model are: should be with the lighium polymer electricity of safety guard Pond, is solved for the problem proposed in above-mentioned background technology, by the setting of drop resistant device, allows the battery core in housing exist By obtaining the buffer protection of ground floor after punching press, by spongy layer, air cushion layer and the setting of the first damping spring, allow in housing Battery core after by punching press, obtain the buffer protection of the second layer, it is to avoid lithium polymer battery is after by significantly collision punching press The battery core of inside can be damaged, such that it is able to increase the service efficiency of lithium polymer battery to a certain extent, and then can reduce and make With the cost of lithium polymer battery.

Accompanying drawing explanation

Fig. 1 is this utility model cross-sectional view；

Fig. 2 is enlarged diagram at this utility model A.

In figure: 1 housing, 2 battery cores, 3 fix seat, 4 first damping springs, 5 spongy layers, 6 air cushion layers, 7 fix post, 8 hollow Post, 9 passages, 10 drop resistant devices, 101 first raised plate, 102 dashpots, 103 connection gaskets, 104 second raised plate, 105 projections Block, 106 second damping springs.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.

Fig. 1-2, a kind of technical scheme of this utility model offer: a kind of lighium polymer with safety guard are provided Battery, including housing 1, the middle part of housing 1 inner chamber is provided with battery core 2, and battery core 2 is lighium polymer battery core, and the both sides of battery core 2 are the most solid Dingan County is fixedly connected with the first damping spring 4 equipped with fixing seat 3, fixing seat 3 away from one end of battery core 2, the first damping spring 4 Quantity is six, and the first damping spring 4 is divided into two rows and is arranged on the both sides of battery core 2, and each number that ranked first damping spring 4 Amount is three, and the first damping spring 4 is fixedly connected with two ends away from one end of fixing seat 3 and fixes with housing 1 inner chamber side respectively The spongy layer 5 connected, spongy layer 5 away from one end of the first damping spring 4 be fixedly connected with respectively with housing 1 inner cavity top and shell Body 1 intracavity bottom fixes the air cushion layer 6 of connection, and the side of battery core 2 is installed with two ends and fixes even with spongy layer 5 side respectively The fixing post 7 connect, the side of fixing post 7 is plugged with five open tubular columns 8, and the side opening of housing 1 is provided with passage 9, so When housing 1 inside is under pressure, fixing open tubular column 8 within post 7 can share pressure, and by passage 9 by air pressure Discharging, thus reach the effect of the power of unloading, the top of housing 1 is all installed with drop resistant device 10 with the bottom of housing 1, and drop resistant fills Putting 10 and include that the first raised plate 101, the top of the first raised plate 101 offer dashpot 102, the side of dashpot 102 is fixed Connecting and have the connection gasket 103 being positioned at the first raised plate 101 top, connection gasket 103 is fixing even away from the side of the first raised plate 101 Being connected to the second raised plate 104, the bottom of the second raised plate 104 is fixedly connected with the protruding block 105 suitable with dashpot 102, The quantity of dashpot 102 and protruding block 105 is nine, and protruding block 105 is fixing even away from one end of the second raised plate 104 It is connected to and fixing the second damping spring 106 being connected bottom dashpot 102, by the setting of drop resistant device 10, allows in housing 1 Battery core 2 obtains the buffer protection of ground floor after by punching press, by setting of spongy layer 5, air cushion layer 6 and the first damping spring 4 Put, allow the battery core 2 in housing 1 obtain the buffer protection of the second layer after by punching press, it is to avoid lithium polymer battery is by bright The battery core 2 of inside can be damaged, such that it is able to increase the use effect of lithium polymer battery to a certain extent after aobvious collision punching press Rate, and then the cost using lithium polymer battery can be reduced.

Operation principle: when the housing 1 of lithium polymer battery is subject to extraneous collision punching press, the second raised plate 104 can be subject to Power moves down, and because by the second damping spring between protruding block 105 and dashpot 102 bottom the second raised plate 104 106, thus the second damping spring 106 can unload the next part pressure from the second raised plate 104, and then can be internal to housing 1 Battery core 2 carry out the buffer protection of ground floor, because some stamping press can enter into housing 1 through drop resistant device 10 Inner chamber, so remaining power is again through air cushion layer 6, spongy layer 5 and a series of power of unloading of the first damping spring 4, allows in housing 1 The battery core 2 in portion can obtain the buffer protection of the second layer, it is to avoid damage inside because lithium polymer battery collides punching press Battery core 2.

Embodiment the most of the present utility model, for the ordinary skill in the art, It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. with a lithium polymer battery for safety guard, including housing (1), it is characterised in that: in described housing (1) The middle part in chamber is provided with battery core (2), and the both sides of battery core (2) are all installed with fixing seat (3), and fixing seat (3) is away from battery core (2) One end be fixedly connected with the first damping spring (4), the first damping spring (4) is fixedly connected with away from one end of fixing seat (3) The spongy layer (5) being connected is fixed at two ends respectively with housing (1) inner chamber side, and spongy layer (5) is away from the one of the first damping spring (4) End is fixedly connected with fixes the air cushion layer (6) being connected, described electricity with housing (1) inner cavity top respectively with housing (1) intracavity bottom The side of core (2) is installed with two ends and fixes the fixing post (7) being connected respectively with spongy layer (5) side, the side of fixing post (7) Face is plugged with five open tubular columns (8), and the side opening of housing (1) is provided with passage (9), the top of described housing (1) and shell The bottom of body (1) is all installed with drop resistant device (10).

A kind of lithium polymer battery with safety guard the most according to claim 1, it is characterised in that: described anti- Fall apparatus (10) includes that the first raised plate (101), the top of described first raised plate (101) offer dashpot (102), buffering The side of groove (102) is fixedly connected with the connection gasket (103) being positioned at the first raised plate (101) top, and connection gasket (103) is away from The side of one raised plate (101) is fixedly connected with the second raised plate (104), and the bottom of the second raised plate (104) is fixedly connected with The protruding block (105) suitable with dashpot (102), and protruding block (105) fixes away from one end of the second raised plate (104) Connect and have second damping spring (106) that be connected fixing with dashpot (102) bottom.

A kind of lithium polymer battery with safety guard the most according to claim 1, it is characterised in that: described electricity Core (2) is lighium polymer battery core.

A kind of lithium polymer battery with safety guard the most according to claim 1, it is characterised in that: described The quantity of one damping spring (4) is six, and the first damping spring (4) is divided into two rows and is arranged on the both sides of battery core (2), and each The quantity that ranked first damping spring (4) is three.

A kind of lithium polymer battery with safety guard the most according to claim 2, it is characterised in that: described slow The quantity of jet-bedding (102) and protruding block (105) is nine.