CN215377566U

CN215377566U - Lithium ion battery with protective structure

Info

Publication number: CN215377566U
Application number: CN202121610620.9U
Authority: CN
Inventors: 郭新力
Original assignee: Dongguan Shenghe New Energy Technology Co ltd
Current assignee: Dongguan Shenghe New Energy Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-31
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a lithium ion battery with a protection structure, which relates to the field of lithium batteries and comprises a battery shell, wherein the bottom of the battery shell is provided with a bottom plate, two connecting plates are symmetrically and fixedly arranged on the bottom plate, fixed connecting shafts are rotatably sleeved on the two connecting plates, the two fixed connecting shafts are fixedly provided with the same outer protection shell, the outer protection shell is symmetrically provided with two limiting clamping holes, and the tops of the two limiting clamping holes are provided with limiting clamping grooves. According to the utility model, the lithium battery can be completely wrapped by the bottom plate and the outer protective shell through the arrangement of the structures such as the bottom plate and the outer protective shell, meanwhile, the structures such as the buffer abutting plate and the buffer spring are arranged on the bottom plate, so that the lithium battery body is protected, and through the arrangement of the ventilation groove and the fan lamp structure, the lithium battery can blow air outwards through the fan in the use process, so that heat generated in the working process of the lithium battery is rapidly removed, the loss of raw materials in the lithium battery is reduced, and the lithium battery body is further protected.

Description

Lithium ion battery with protective structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium ion battery with a protection structure.

Background

Along with the development of electronic technology, high requirements are put forward on power supplies, and lithium ion batteries are widely used in the field of power batteries due to the advantages of high voltage, high energy density, wide working temperature range, environmental friendliness and the like.

Among the prior art, the lithium cell needs to avoid revealing of inside chemical raw material as a chemical energy battery, and current lithium cell shell lacks buffer structure, leads to the lithium cell in case receive the impact just need bear this kind of impact completely, and this damage that leads to the lithium cell very easily causes certain loss, consequently needs a lithium ion battery with protective structure to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium ion battery with a protective structure, so as to solve the problem that the lithium ion battery provided in the background art is easy to damage due to the fact that the protective structure is lacked.

In order to achieve the purpose, the utility model provides the following technical scheme: a lithium ion battery with a protective structure comprises a battery shell, wherein a bottom plate is arranged at the bottom of the battery shell, two connecting plates are symmetrically and fixedly installed on the bottom plate, fixed connecting shafts are rotatably sleeved on the two connecting plates, the same outer protective shell is fixedly installed on the two fixed connecting shafts, two limiting clamping holes are symmetrically formed in the outer protective shell, limiting clamping grooves are formed in the tops of the two limiting clamping holes, a clamping block is rotatably installed in each limiting clamping groove, a connecting rotating shaft is fixedly sleeved at the central position of the clamping block, a fixing sleeve is rotatably sleeved on the connecting rotating shaft and fixedly installed at the top of the bottom plate, pushing sliding grooves are formed in two sides of the outer protective shell and communicated with the limiting clamping grooves, pushing sliding rods are slidably installed in the pushing sliding grooves and are in contact with the clamping blocks, and two buffering sliding grooves are symmetrically formed in the top of the bottom plate, the buffer abutting plates are arranged in the two buffer sliding grooves in a sliding mode and are in contact with the battery shell, the two buffer springs are symmetrically and fixedly arranged at the bottoms of the buffer abutting plates, and one ends, far away from the buffer abutting plates, of the buffer springs are fixedly arranged on the inner wall of the bottom of the buffer sliding grooves.

Preferably, the inner wall of the outer protective shell is provided with a ventilation groove, the inner walls of two sides of the ventilation groove are provided with a plurality of air inlets, and the inner wall of the top of the ventilation groove is provided with a plurality of air exhaust holes.

Preferably, the inner walls of the two sides of the ventilation groove are fixedly provided with supporting transverse plates, and one end of each of the two supporting transverse plates, which is close to each other, is fixedly provided with the same fan.

Preferably, two supporting sleeves are fixedly mounted on the inner wall of the bottom of the buffering sliding groove, and the buffering spring is sleeved on the supporting sleeves in a sliding mode.

Preferably, the bottom of the buffer resisting plate is symmetrically and fixedly provided with two supporting sliding shafts, and the two supporting sliding shafts are sleeved in the two supporting sleeves in a sliding manner.

Preferably, the same fixed clamping block is fixedly mounted on the inner walls of the two sides of the pushing sliding groove, and the fixed clamping block is in contact with the pushing sliding rod.

Preferably, the connecting rotating shaft is fixedly sleeved with a torsion spring, one end of the torsion spring is fixedly connected to the connecting rotating shaft, and the other end of the torsion spring is fixedly connected to the inner wall of the fixed sleeve.

The utility model has the beneficial effects that:

according to the utility model, the lithium battery can be completely wrapped by the bottom plate and the outer protective shell through the arrangement of the structures such as the bottom plate and the outer protective shell, so that the possibility that the lithium battery is directly impacted is avoided, and meanwhile, the structures such as the buffer resisting plate and the buffer spring are arranged on the bottom plate, so that the vibration received by the lithium battery after the lithium battery receives the impact can be transmitted to the buffer spring, thereby greatly reducing the damage to the lithium battery and protecting the lithium battery body.

According to the utility model, through the arrangement of the ventilation groove and the fan lamp structure, the lithium battery can blow air outwards through the fan in the use process, so that heat generated in the working process of the lithium battery can be quickly removed, the problem that the power consumption of the lithium battery is increased due to overheating of the lithium battery is avoided, the loss of raw materials in the lithium battery is reduced, and the lithium battery body is further protected.

Drawings

Fig. 1 is a schematic structural diagram of a lithium ion battery with a protective structure according to the present invention;

fig. 2 is a schematic view of a bottom view of an outer protective shell in a lithium ion battery with a protective structure according to the present invention;

fig. 3 is a schematic diagram of a top-view cross-sectional structure of an outer protective shell in a lithium ion battery with a protective structure according to the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3 of a lithium ion battery with a protective structure according to the present invention;

fig. 5 is a schematic cross-sectional structural diagram of a connection rotating shaft in a lithium ion battery with a protection structure according to the present invention;

fig. 6 is a schematic cross-sectional structural diagram of a buffering and abutting plate in a lithium ion battery with a protection structure according to the present invention.

In the figure: 1. a battery case; 2. a base plate; 3. a connecting plate; 4. fixing the connecting shaft; 5. an outer protective shell; 6. a buffer chute; 7. a support sleeve; 8. a support slide shaft; 9. a buffer resisting plate; 10. a buffer spring; 11. fixing the sleeve; 12. connecting the rotating shaft; 13. a clamping block; 14. a torsion spring; 15. limiting clamp holes; 16. a limiting clamping groove; 17. pushing against the chute; 18. pushing against the sliding rod; 19. fixing the fixture block; 20. a ventilation slot; 21. an air exhaust hole; 22. an air inlet; 23. supporting the transverse plate; 24. a fan.

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.

Referring to fig. 1-6, a lithium ion battery with a protective structure comprises a battery shell 1, a bottom plate 2 is arranged at the bottom of the battery shell 1, two connecting plates 3 are symmetrically and fixedly installed on the bottom plate 2, fixed connecting shafts 4 are rotatably sleeved on the two connecting plates 3, the same outer protective shell 5 is fixedly installed on the two fixed connecting shafts 4, two limiting clamp holes 15 are symmetrically formed on the outer protective shell 5, limiting clamp grooves 16 are respectively formed at the tops of the two limiting clamp holes 15, clamping blocks 13 are rotatably installed in the limiting clamp grooves 16, a connecting rotating shaft 12 is fixedly sleeved at the central positions of the clamping blocks 13, a fixed sleeve 11 is rotatably sleeved on the connecting shaft 12, the fixed sleeve 11 is fixedly installed at the top of the bottom plate 2, pushing sliding grooves 17 are respectively formed at the two sides of the outer protective shell 5, the pushing sliding grooves 17 are communicated with the limiting clamp grooves 16, and pushing sliding slide bars 18 are slidably installed in the pushing sliding grooves 17, the pushing slide bar 18 contacts with the clamping block 13, the top of the bottom plate 2 is symmetrically provided with two buffer chutes 6, the two buffer chutes 6 are both provided with a buffer resisting plate 9 in a sliding way, the buffer resisting plate 9 contacts with the battery shell 1, the bottom of the buffer resisting plate 9 is symmetrically and fixedly provided with two buffer springs 10, one end of each buffer spring 10 far away from the buffer resisting plate 9 is fixedly arranged on the inner wall of the bottom of the buffer chute 6, when the lithium battery is used, the battery shell 1 is placed on the bottom plate 2, the outer protective shell 5 is turned over to rotate around the fixed connecting shaft 4 until the connecting rotating shaft 12 and the clamping block 13 slide into the limiting clamping groove 16 and the limiting clamping hole 15, the pushing and abutting slide rod 18 is pushed, the pushing and abutting slide rod 18 slides in the pushing and abutting sliding groove 17, and the clamping block 13 is pushed to rotate in the limiting clamping groove 16, so that the clamping block 13 is fixed in the limiting clamping groove 16, and the connection stability between the outer protective shell 5 and the bottom plate 2 is further ensured.

In the utility model, the inner wall of the outer protective shell 5 is provided with a ventilation groove 20, the inner walls of two sides of the ventilation groove 20 are provided with a plurality of air inlets 22, the inner wall of the top of the ventilation groove 20 is provided with a plurality of air exhaust holes 21, and hot air can be rapidly exhausted out of the ventilation groove 20 through the interaction of the air inlets 22 and the air exhaust holes 21.

In the present invention, the inner walls of the two sides of the ventilation slot 20 are both fixedly provided with the supporting transverse plates 23, one end of each of the two supporting transverse plates 23 close to each other is fixedly provided with the same fan 24, and heat generated during the operation of the lithium battery is discharged through the fan 24.

In the utility model, two supporting sleeves 7 are fixedly arranged on the inner wall of the bottom of the buffer chute 6, the buffer spring 10 is sleeved on the supporting sleeves 7 in a sliding manner, and the supporting sleeves 7 are used for stabilizing the sliding of the buffer resisting plate 9.

According to the utility model, two supporting sliding shafts 8 are symmetrically and fixedly installed at the bottom of the buffer resisting plate 9, the two supporting sliding shafts 8 are slidably sleeved in the two supporting sleeves 7, and the supporting sliding shafts 8 and the supporting sleeves 7 interact to avoid the buffer resisting plate 9 from being inclined in the buffer sliding groove 6.

In the utility model, the same fixed fixture block 19 is fixedly installed on the inner walls of the two sides of the pushing sliding chute 17, the fixed fixture block 19 is in contact with the pushing sliding rod 18, and the fixed fixture block 19 is used for preventing the pushing sliding rod 18 from falling off the pushing sliding chute 17.

According to the utility model, the connecting rotating shaft 12 is fixedly sleeved with the torsion spring 14, one end of the torsion spring 14 is fixedly connected to the connecting rotating shaft 12, the other end of the torsion spring 14 is fixedly connected to the inner wall of the fixed sleeve 11, the connecting rotating shaft 12 is driven to rotate through the torsion spring 14, and then the clamping block 13 is driven to rotate and reset, so that the clamping block 13 can be separated from the limiting clamping groove 16, the bottom plate 2 and the outer protective shell 5 can be opened, and the whole structure can be disassembled, assembled and replaced.

The working principle of the utility model is as follows:

when using the lithium cell, place battery case 1 on bottom plate 2, upset outer protective housing 5, make it rotate round fixed connection axle 4, until connecting pivot 12 and fixture block 13 and slide in spacing draw-in groove 16 and spacing calorie of hole 15, promote to push away and support slide bar 18, it is sliding in pushing away to push away slide bar 18 and supporting spout 17, and promote fixture block 13 at spacing draw-in groove 16 internal rotation, make fixture block 13 fixed in spacing draw-in groove 16, and then guaranteed the connection stability between outer protective housing 5 and bottom plate 2, and simultaneously, battery case 1 contacts with buffering support plate 9, make the vibrations that battery case 1 received all can support plate 9 conduction through the buffering and give buffer spring 10, reduce the vibrations damage that battery case 1 received, the function of protecting battery case 1 has been reached.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a lithium ion battery with protective structure, includes battery case (1), its characterized in that: the bottom of the battery shell (1) is provided with a bottom plate (2), two connecting plates (3) are symmetrically and fixedly installed on the bottom plate (2), fixed connecting shafts (4) are rotatably sleeved on the two connecting plates (3), the same outer protective shell (5) is fixedly installed on the two fixed connecting shafts (4), two limiting clamping holes (15) are symmetrically formed in the outer protective shell (5), limiting clamping grooves (16) are formed in the tops of the two limiting clamping holes (15), clamping blocks (13) are rotatably installed in the limiting clamping grooves (16), a connecting rotating shaft (12) is fixedly sleeved at the central positions of the clamping blocks (13), a fixing sleeve (11) is rotatably sleeved on the connecting rotating shaft (12), the fixing sleeve (11) is fixedly installed at the top of the bottom plate (2), pushing sliding grooves (17) are formed in the two sides of the outer protective shell (5), and the pushing sliding grooves (17) are communicated with the limiting clamping grooves (16), push away to slidable mounting in supporting spout (17) and push away to support slide bar (18), push away to support slide bar (18) and contact with fixture block (13), two buffering spouts (6) have been seted up to the top symmetry of bottom plate (2), and equal slidable mounting has buffering to support board (9) in two buffering spouts (6), and buffering supports board (9) and contacts with battery case (1), the bottom symmetry fixed mounting that cushions to board (9) has two buffer spring (10), and buffer spring (10) keep away from the one end fixed mounting that cushions supported board (9) on the bottom inner wall of buffering spout (6).

2. The lithium ion battery with the protective structure according to claim 1, wherein: the inner wall of the outer protective shell (5) is provided with a ventilation groove (20), the inner walls of two sides of the ventilation groove (20) are provided with a plurality of air inlets (22), and the inner wall of the top of the ventilation groove (20) is provided with a plurality of air exhaust holes (21).

3. The lithium ion battery with the protective structure according to claim 2, wherein: all fixed mounting has support diaphragm (23) on the both sides inner wall of draft groove (20), and the one end fixed mounting that two support diaphragms (23) are close to each other has same fan (24).

4. The lithium ion battery with the protective structure according to claim 1, wherein: two supporting sleeves (7) are fixedly mounted on the inner wall of the bottom of the buffering sliding groove (6), and the buffering spring (10) is sleeved on the supporting sleeves (7) in a sliding mode.

5. The lithium ion battery with the protective structure according to claim 1, wherein: the bottom of the buffer resisting plate (9) is symmetrically and fixedly provided with two supporting sliding shafts (8), and the two supporting sliding shafts (8) are sleeved in the two supporting sleeves (7) in a sliding manner.

6. The lithium ion battery with the protective structure according to claim 1, wherein: the inner walls of two sides of the pushing sliding groove (17) are fixedly provided with the same fixed clamping block (19), and the fixed clamping block (19) is contacted with the pushing sliding rod (18).

7. The lithium ion battery with the protective structure according to claim 1, wherein: the connecting rotating shaft (12) is fixedly sleeved with a torsion spring (14), one end of the torsion spring (14) is fixedly connected to the connecting rotating shaft (12), and the other end of the torsion spring (14) is fixedly connected to the inner wall of the fixed sleeve (11).