CN214753999U

CN214753999U - Novel lithium battery protection device

Info

Publication number: CN214753999U
Application number: CN202120506037.7U
Authority: CN
Inventors: 陈富源; 白科; 孙玉龙; 徐子俊
Original assignee: Jiangxi ANC New Energy Technology Co Ltd
Current assignee: Jiangxi ANC New Energy Technology Co Ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-16
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a novel lithium battery protection device, including the protective frame, the inboard sliding connection of protective frame has the battery frame, and the lithium cell is installed to the battery frame inboard, and the terminal surface is equipped with the spring groove under the battery frame, and the spring groove inboard is fixed with second spring upper end, and second spring lower extreme is connected with the protective frame inner wall, has cup jointed the protective housing on the protective frame. The utility model discloses a protection frame, protective housing and battery frame protect the lithium cell and can improve the lithium cell protective effect; the battery frame moves up and down along the inside of the protective frame and is buffered by the elastic force of the second spring, so that the influence of bumping on the lithium battery can be reduced; insert the locating pin upper end regulation hole inboard, make first ventilation hole and second ventilation hole coincidence, through first ventilation hole, second ventilation hole and reserve the mouth and can be fine ventilate the heat transfer to the lithium cell.

Description

Novel lithium battery protection device

Technical Field

The utility model belongs to the technical field of the lithium cell, specifically be a novel lithium cell protection device.

Background

When the lithium battery is put into use, a protective shell needs to be arranged on the lithium battery, so that accidental abrasion of the lithium battery in use is prevented.

The protection shell at present is a simple plastic shell, so that the battery cannot be effectively protected due to easy bumping and damage in the using process, and the protection shell is usually protected in a wrapping mode, so that the heat dissipation of the lithium battery is influenced, and the lithium battery is protected by a lithium battery protection device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel lithium battery protection device to solve the problem of lithium battery protection device easy damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel lithium battery protection device, includes the protective frame, the inboard sliding connection of protective frame has the battery frame, the lithium cell is installed to the battery frame inboard, the terminal surface is equipped with the spring groove under the battery frame, the spring groove inboard is fixed with second spring upper end, second spring lower extreme is connected with the protective frame inner wall, the protective housing has been cup jointed on the protective frame, and protective frame, protective housing and battery frame all adopt ABS engineering plastics preparation to form, and intensity high toughness is good.

Preferably, the battery frame is provided with a mounting groove, the inner side of the mounting groove is connected with a limiting block in a sliding mode, a third spring is arranged between the limiting block and the mounting groove, and the lower end face of the limiting block is connected with the lithium battery.

Preferably, be equipped with the threading mouth on the protective housing, the threading mouth is reserved and is connected the threading and used, protective housing a week evenly is provided with the second venthole.

Preferably, protection frame a week evenly is provided with first ventilation hole, first ventilation hole is corresponding with second ventilation hole position, and first ventilation hole is the same with second ventilation hole aperture size.

Preferably, the protective frame is provided with a telescopic groove, the inner side of the telescopic groove is provided with a positioning pin in a sliding manner, and a first spring is arranged between the positioning pin and the telescopic groove.

Preferably, the protective housing is symmetrically provided with adjusting holes, the adjusting holes are formed in two sides of the protective housing, each side of the protective housing is provided with 2 adjusting holes, and positioning pins are inserted into the inner sides of the adjusting holes.

Preferably, a reserved opening is formed in the periphery of the battery frame.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a protection frame, protective housing and battery frame protect the lithium cell and can improve the lithium cell protective effect;

the utility model can reduce the impact of bumping on the lithium battery by the battery frame moving up and down along the inside of the protective frame and providing buffer through the elasticity of the second spring;

when the utility model is used in summer, the positioning pin is inserted into the inner side of the upper end adjusting hole, so that the first vent hole and the second vent hole are superposed, and the lithium battery can be well ventilated and heat-exchanged through the first vent hole, the second vent hole and the reserved opening;

the utility model discloses break away from the regulation hole with the locating pin, can dismantle the protective housing, can take out the lithium cell in squeezing into the mounting groove with the stopper to this makes things convenient for the dismantlement of lithium cell.

Drawings

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

FIG. 2 is a sectional view of the whole structure of the present invention;

fig. 3 is a schematic view of a battery frame according to the present invention.

In the figure: the protective shell comprises a protective frame 1, a first ventilation hole 11, a telescopic groove 12, a positioning pin 13, a first spring 14, a protective shell 2, a threading opening 21, a second ventilation hole 22, an adjusting hole 23, a battery frame 3, a reserved opening 31, a spring groove 32, a mounting groove 33, a third spring 34, a limiting block 35, a second spring 36 and a lithium battery 4.

Detailed Description

Please refer to fig. 1 and fig. 2, a novel lithium battery protection device, including protective frame 1, the inboard sliding connection of protective frame 1 has battery frame 3, lithium cell 4 is installed to battery frame 3 inboard, the terminal surface is equipped with spring groove 32 under battery frame 3, spring groove 32 inboard is fixed with the upper end of second spring 36, the lower extreme of second spring 36 is connected with protective frame 1 inner wall, battery frame 3 drives lithium cell 4 and reciprocates along protective frame 1 when jolting, give the buffering through the elasticity of second spring 36, protective housing 2 has been cup jointed on protective frame 1, protective housing 2 with protective frame 1 and battery frame 3 can carry out multiple protection to lithium cell 4.

Please refer to fig. 1 and 2, be equipped with mounting groove 33 on the battery frame 3, the inboard sliding connection of mounting groove 33 has stopper 35, be provided with third spring 34 between stopper 35 and the mounting groove 33, the terminal surface meets with lithium cell 4 under the stopper 35, when lithium cell 4 puts into battery frame 3 inside, lithium cell 4 downward butt stopper 35's inclined plane, stopper 35 atress moves to the mounting groove 33 inboard, when stopper 35 loses lithium cell 4 downward butt, elasticity through third spring 34 promotes stopper 35 and outwards moves the overlap joint at lithium cell 4's up end, it is spacing to lithium cell 4.

Referring to fig. 1 and 2, a threading opening 21 is formed in the protective shell 2, the threading opening 21 is used for electrically connecting the lithium battery 4, and second ventilation holes 22 are uniformly formed around the protective shell 2.

Referring to fig. 1 and fig. 2, first ventilation holes 11 are uniformly formed in a periphery of the protection frame 1, the first ventilation holes 11 correspond to the second ventilation holes 22, and the first ventilation holes 11 and the second ventilation holes 22 are overlapped to ventilate and dissipate heat of the lithium battery 4 inside the protection frame 1.

Referring to fig. 1 and 2, a telescopic slot 12 is formed in the protection frame 1, a positioning pin 13 is slidably disposed inside the telescopic slot 12, a first spring 14 is disposed between the positioning pin 13 and the telescopic slot 12, and the positioning pin 13 is pushed by the elastic force of the first spring 14 to be inserted into an inner side of the adjusting hole 23.

Please refer to fig. 1 and fig. 2, adjusting holes 23 are symmetrically formed in the protective shell 2, positioning pins 13 are inserted into the inner sides of the adjusting holes 23, the protective shell 2 is positioned by inserting the positioning pins 13 into the inner sides of the adjusting holes 23, the positioning pins 13 are pushed inwards into the telescopic slots 12, so that the protective shell 2 can be taken out of the protective frame 1, when the positioning pins 13 are inserted into the inner sides of the adjusting holes 23 at the upper end, the first ventilation holes 11 coincide with the second ventilation holes 22, when the positioning pins 13 are inserted into the inner sides of the adjusting holes 23 at the lower end, the first ventilation holes 11 are dislocated with the second ventilation holes 22, and the first ventilation holes 11 are blocked by the protective shell 2.

Referring to fig. 1 and fig. 3, a reserved opening 31 is formed around the battery frame 3, and the reserved opening 31 facilitates the lithium battery 4 to radiate heat outwards.

The working principle of the scheme is as follows: the lithium battery 4 is fixed on the inner side of the battery frame 3, the battery frame 3 is installed inside the protective frame 1, and the protective shell 2 is sleeved outside the protective frame 1, so that the lithium battery 4 can be protected through the protective frame 1, the protective shell 2 and the battery frame 3, and the protective effect of the lithium battery 4 can be improved;

because the battery frame 3 is arranged inside the protective frame 1 in a sliding manner, when bumping, the battery frame 3 can drive the lithium battery 4 to move up and down along the protective frame 1, and the impact of bumping on the lithium battery 4 can be reduced by buffering through the elastic force of the second spring 36 between the battery frame 3 and the protective frame 1;

when the device is used in summer, the positioning pin 13 is inserted into the inner side of the upper end adjusting hole 23, so that the first vent hole 11 is overlapped with the second vent hole 22, air can penetrate through the protective frame 1 and the protective shell 2, and the reserved opening 31 is formed in the battery frame 3, so that air in the protective device can circulate through the first vent hole 11, the second vent hole 22 and the reserved opening 31, and the lithium battery 4 can be rapidly ventilated and heat-exchanged;

locating pin 13 inserts regulation hole 23 inboard and fixes a position protective housing 2 on protective frame 1, breaks away from regulation hole 23 with locating pin 13, can take out the dismantlement with protective housing 2 from protective frame 1, and lithium cell 4 passes through stopper 35 overlap joint and fixes in the inboard of battery frame 3 at lithium cell 4's up end, with stopper 35 crowded into mounting groove 33 in, lithium cell 4 loses stopper 35 butt, can take out lithium cell 4 to this can make things convenient for lithium cell 4's dismantlement.

Claims

1. The utility model provides a novel lithium battery protection device, includes protective frame (1), its characterized in that: the utility model discloses a lithium battery protection device, including protection frame (1), battery frame (3), lithium cell (4) are installed to protection frame (1) inboard sliding connection has battery frame (3), battery frame (3) inboard is installed, the terminal surface is equipped with spring groove (32) under battery frame (3), spring groove (32) inboard is fixed with second spring (36) upper end, second spring (36) lower extreme is connected with protection frame (1) inner wall, protective housing (2) have been cup jointed on protection frame (1).

2. The novel lithium battery protection device of claim 1, characterized in that: be equipped with mounting groove (33) on battery frame (3), the inboard sliding connection of mounting groove (33) has stopper (35), be provided with third spring (34) between stopper (35) and mounting groove (33), terminal surface and lithium cell (4) meet under stopper (35).

3. The novel lithium battery protection device of claim 1, characterized in that: the protective shell (2) is provided with a threading opening (21), and second ventilation holes (22) are uniformly formed in the periphery of the protective shell (2).

4. The novel lithium battery protection device of claim 1, characterized in that: protection frame (1) a week evenly is provided with first ventilation hole (11), first ventilation hole (11) and second ventilation hole (22) position are corresponding.

5. The novel lithium battery protection device of claim 1, characterized in that: the protective frame is characterized in that a telescopic groove (12) is formed in the protective frame (1), a positioning pin (13) is arranged on the inner side of the telescopic groove (12) in a sliding mode, and a first spring (14) is arranged between the positioning pin (13) and the telescopic groove (12).

6. The novel lithium battery protection device of claim 1, characterized in that: adjusting holes (23) are symmetrically formed in the protective shell (2), and positioning pins (13) are inserted into the inner sides of the adjusting holes (23).

7. The novel lithium battery protection device of claim 1, characterized in that: a reserved opening (31) is formed in the periphery of the battery frame (3).