CN215266551U

CN215266551U - Lithium battery pack fixing structure with overcharge protection function

Info

Publication number: CN215266551U
Application number: CN202121331236.5U
Authority: CN
Inventors: 廖荣成; 张峻豪; 薛祥林
Original assignee: Anhui Zhitong New Energy Co ltd
Current assignee: Anhui Zhitong New Energy Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-21
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a lithium battery pack fixing structure with overcharge protection function, which belongs to the technical field of lithium battery pack fixing structures, and discloses a lithium battery pack fixing structure with overcharge protection function, which comprises a lithium battery body and a protection component arranged on the lithium battery body, wherein an adjusting and fixing component is arranged at the bottom of the protection component; the adjusting and fixing assembly comprises a supporting plate, a moving block, a first threaded rod, a first nut, a first limiting block, a second nut, a second limiting block of a second threaded rod and a third nut, the protecting assembly is installed on the supporting plate, a groove and a sliding groove are formed in the supporting plate, the groove and the sliding groove are communicated with each other, the moving block is arranged inside the sliding groove, the first threaded rod is connected to the top of the moving block, and the first nut, the first limiting block and the second nut are sequentially sleeved on the side wall of the first threaded rod from bottom to top. Through adjusting the setting of fixed subassembly, can adjust and fix the size of lithium cell package more.

Description

Lithium battery pack fixing structure with overcharge protection function

Technical Field

The utility model relates to a lithium cell package fixed knot constructs with overcharge protect function technical field specifically is a lithium cell package fixed knot constructs with overcharge protect function.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries. The existing lithium battery is provided with an overcharge protection function, and the lithium battery pack is installed on various devices through a fixing structure.

Lithium cell package fixed knot that has overcharge protect function on the existing market constructs utility model discloses remain further promotion on the technology, lithium cell package fixed knot on the existing market constructs can not fix according to the size of lithium cell, leads to needing to find suitable lithium cell and just can fix, and very not convenient finds the lithium cell of equidimension and need expend a large amount of time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium cell package fixed knot constructs with overcharge protect function has solved the in-process lithium cell package fixed knot that uses among the prior art and has constructed and can not fix according to the size of lithium cell, leads to needing to find suitable lithium cell and just can fix, and very inconvenient finds the lithium cell of equidimension and need expend a large amount of time.

In order to solve the above problem, the utility model adopts the following technical scheme: a lithium battery pack fixing structure with an overcharge protection function comprises a lithium battery body and a protection assembly arranged on the lithium battery body, wherein an adjusting and fixing assembly is arranged at the bottom of the protection assembly;

the adjusting and fixing component comprises a supporting plate, a moving block, a first threaded rod, a first nut, a first limiting block, a second nut, a second threaded rod, a second limiting block and a third nut, the protection component is arranged on the supporting plate, a groove and a sliding groove are arranged on the supporting plate, the groove and the sliding groove are communicated with each other, the moving block is arranged in the sliding groove, the top of the moving block is connected with the first threaded rod, the first screw cap, the first limiting block and the second screw cap are sequentially sleeved on the side wall of the first threaded rod from bottom to top, the first threaded rod is sleeved on the second threaded rod, the side wall of the second threaded rod is sleeved with the second limiting block and the third nut, the second limiting block is located below the third nut, and the second limiting block is in contact with the protection component.

Preferably, the protection assembly comprises an upper cover plate and a lower base plate, the upper cover plate is arranged at the top of the lithium battery body, the top of the upper cover plate is in contact with the bottom of the second limiting block, the lower base plate is arranged at the bottom of the lithium battery body, and the lower base plate is arranged on the supporting plate.

Preferably, the number of the lithium battery bodies is a plurality of, and a plurality of the lithium battery bodies are all arranged in the lower bottom plate, and a plurality of binding belts are arranged on the side walls of the lithium battery bodies, and a plurality of the lithium battery bodies are fixed through the binding belts.

Preferably, a buffer pad is arranged in the lower base plate, and the plurality of lithium battery bodies are arranged on the buffer pad.

Preferably, the first nut and the second nut are the same size.

The beneficial effects of the utility model are that, through adjusting the setting of fixed subassembly, can adjust and fix the lithium cell package according to the size of lithium cell package, setting through recess and spout, make the movable block can remove in the spout, remove the movable block according to the size of lithium cell package, through twisting the third nut, can make the tight laminating upper cover plate of second stopper, through the setting of first threaded rod and second threaded rod, it can adjust the second threaded rod height to twist the second threaded rod, through first nut, the setting of first stopper and second nut, when the size of lithium cell package is too small, also can adjust first stopper through twisting first nut and second nut, fix the lithium cell package that the size is little.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

Fig. 1 is a schematic view of a fixing structure of a lithium battery pack with an overcharge protection function of the present invention;

fig. 2 is the utility model relates to a lithium cell package fixed knot constructs A department and enlargies the schematic diagram with overcharge protect function.

The reference numbers in the figures illustrate: 1. a lithium battery body; 2. an upper cover plate; 3. a lower base plate; 4. a support plate; 41. a groove; 42. a chute; 5. a moving block; 6. a first threaded rod; 7. a first nut; 8. a first stopper; 9. a second nut; 10. a second threaded rod; 11. a second limiting block; 12. a third nut; 13. a binding band; 14. a cushion pad.

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. 1-2, a lithium battery pack fixing structure with an overcharge protection function comprises a lithium battery body 1 and a protection component arranged on the lithium battery body 1, wherein an adjusting and fixing component is arranged at the bottom of the protection component;

the adjusting and fixing assembly comprises a supporting plate 4, a moving block 5, a first threaded rod 6, a first nut 7, a first limiting block 8, a second nut 9, a second threaded rod 10, a second limiting block 11 and a third nut 12, a protection assembly is installed on the supporting plate 4, a groove 41 and a sliding groove 42 are formed in the supporting plate 4, the groove 41 and the sliding groove 42 are communicated with each other, the moving block 5 is arranged inside the sliding groove 42, the first threaded rod 6 is connected to the top of the moving block 5, the first nut 7, the first limiting block 8 and the second nut 9 are sequentially sleeved on the side wall of the first threaded rod 6 from bottom to top, the first threaded rod 6 is sleeved on the second threaded rod 10, the second limiting block 11 and the third nut 12 are sleeved on the side wall of the second threaded rod 10, the second limiting block 11 is located below the third nut 12, and the second limiting block 11 is in contact with the protection assembly.

Wherein, the protection component includes upper cover plate 2 and lower plate 3, and upper cover plate 2 sets up at lithium cell body 1's top, and the top of upper cover plate 2 and the bottom contact of second stopper 11, and lower plate 3 sets up in lithium cell body 1's bottom, and lower plate 3 installs in backup pad 4, and its effect plays the effect of a protection to lithium cell body 1's top and bottom.

Wherein, lithium cell body 1's quantity is a plurality of, and a plurality of lithium cell body 1 all set up in the inside of lower plate 3, and is provided with on a plurality of lithium cell body 1 lateral walls and ties the area 13, and a plurality of lithium cell body 1 are fixed through tying the area 13, and its effect is through tying the setting of taking area 13, prevents that lithium cell body 1 from when vibrations, the phenomenon of damage takes place in the collision between each lithium cell body 1.

Wherein, the inside of lower plate 3 is provided with blotter 14, and on a plurality of lithium cell body 1 all set up blotter 14, its effect provided certain buffer capacity, prevents that lithium cell body 1 from damaging when vibrations.

The first nut 7 and the second nut 9 are the same in size, and the function of the first nut is to facilitate better adjustment of the height of the first limiting block 8.

Working principle;

through the setting of protection component, protect lithium cell 1 not damaged, the top of lithium cell 1 is protected to upper cover plate 2, the bottom of lithium cell 1 is protected to lower plate 3, through adjusting the setting of fixed subassembly, can adjust and fix the lithium cell package according to the size of lithium cell package, through the setting of recess 41 and spout 42, make movable block 5 can move in spout 42, according to the size removal movable block 5 of lithium cell package, make first threaded rod 6 and second threaded rod 10 close to the lithium cell package, then contact the bottom of second stopper 11 with upper cover plate 2, then twist third nut 12, make the laminating upper cover plate 2 of second stopper 11 tightly, through the setting of first threaded rod 6 and second threaded rod 10, it can adjust second threaded rod 10 height to twist second threaded rod 10, through first nut 7, The first stopper 8 and the second nut 9 are arranged, when the lithium battery pack is too small in size, the first stopper 8 can be adjusted by screwing the first nut 7 and the second nut 9, and the lithium battery pack small in size is fixed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery pack fixing structure with an overcharge protection function is characterized by comprising a lithium battery body (1) and a protection assembly arranged on the lithium battery body (1), wherein the bottom of the protection assembly is provided with an adjusting and fixing assembly;

the adjusting and fixing component comprises a supporting plate (4), a moving block (5), a first threaded rod (6), a first nut (7), a first limiting block (8), a second nut (9), a second threaded rod (10), a second limiting block (11) and a third nut (12), the protecting component is installed on the supporting plate (4), a groove (41) and a sliding groove (42) are formed in the supporting plate (4), the groove (41) and the sliding groove (42) are communicated with each other, the moving block (5) is arranged inside the sliding groove (42), the first threaded rod (6) is connected to the top of the moving block (5), the first nut (7), the first limiting block (8) and the second nut (9) are sequentially sleeved on the side wall of the first threaded rod (6) from bottom to top, the first nut (7), the first limiting block (8) and the second nut (9) are sleeved on the second threaded rod (10), the second limiting block (11) and the third nut (12) are sleeved on the side wall of the second threaded rod (10), the second limiting block (11) is located below the third nut (12), and the second limiting block (11) is in contact with the protection component.

2. The lithium battery pack fixing structure with the overcharge protection function of claim 1, wherein the protection assembly comprises an upper cover plate (2) and a lower base plate (3), the upper cover plate (2) is disposed on the top of the lithium battery body (1), the top of the upper cover plate (2) is in contact with the bottom of the second limiting block (11), the lower base plate (3) is disposed on the bottom of the lithium battery body (1), and the lower base plate (3) is mounted on the supporting plate (4).

3. The lithium battery pack fixing structure with the overcharge protection function as claimed in claim 2, wherein the number of the lithium battery bodies (1) is plural, a plurality of the lithium battery bodies (1) are all arranged inside the lower base plate (3), and a binding belt (13) is arranged on a side wall of the plurality of the lithium battery bodies (1), and the plurality of the lithium battery bodies (1) are fixed by the binding belt (13).

4. The lithium battery pack fixing structure with the overcharge protection function according to claim 3, wherein a buffer pad (14) is disposed inside the lower base plate (3), and the plurality of lithium battery packs (1) are disposed on the buffer pad (14).

5. The lithium battery pack fixing structure with the overcharge protection function according to claim 1, wherein the first nut (7) and the second nut (9) are the same in size.