CN218414837U

CN218414837U - Lithium battery protection structure

Info

Publication number: CN218414837U
Application number: CN202222235265.2U
Authority: CN
Inventors: 吴杉杉
Original assignee: Xi'an Zhengshuo Electronic Technology Co ltd
Current assignee: Xi'an Zhengshuo Electronic Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-31
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a lithium battery protection structure belongs to lithium battery protection technical field, wherein, including protection casing and lithium cell body, the mounting groove has all been seted up to protection casing's inner wall both sides, fixedly connected with slide bar in the mounting groove, cup jointed two springs and two sliding sleeves on the slide bar, two the one end of sliding sleeve respectively with the one end fixed connection of two springs, two the same first elastic plate of fixedly connected with on the sliding sleeve. Under the combined action through slide bar, sliding sleeve, spring, first elastic plate and stopper etc., because the spring cup joints at the slide bar, make the spring can only remove on the slide bar, the direction is fixed, when lithium cell body received left right impact force, made the buffering box slide with protection casing, made the sliding sleeve slide on the slide bar simultaneously, deformation takes place for first elastic plate to can cushion left right direction's impact force, protect lithium cell body.

Description

Lithium battery protection structure

Technical Field

The utility model relates to a lithium battery protection technical field, more specifically say, it relates to a lithium battery protection structure.

Background

A lithium battery protection structure is a device for protecting a lithium battery, which is a type of battery using a non-aqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material, and is roughly 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.

But carry out the structure of fixed protection to the lithium cell in the existing market, most adopt the structure of spring buffering, when the impact force is too big, most impact force can't be filtered to fragile buffer spring and single thin blotter, and some springs can take place deformation, and the direction of deformation is closed loop along with the change of power, leads to buffer structure not stable enough, consequently, to the above-mentioned problem, the utility model provides a lithium cell protection architecture.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art exists, the utility model aims to provide a lithium battery protection architecture, it has stable in structure and protects effectual characteristics.

(II) technical scheme

In order to achieve the purpose, the utility model provides a lithium battery protection structure, which comprises a protection shell and a lithium battery body, wherein mounting grooves are formed in two sides of the inner wall of the protection shell, a slide bar is fixedly connected in each mounting groove, two springs and two slide sleeves are sleeved on the slide bar, one ends of the two slide sleeves are respectively and fixedly connected with one ends of the two springs, the two slide sleeves are fixedly connected with the same first elastic plate, one side of the first elastic plate is fixedly connected with a limiting block, and one side of the limiting block is lapped with one side of the lithium battery body;

the equal sliding connection in other both sides of protection casing has the buffering box, logical groove has been seted up on the buffering box, it has the backup pad to lead to sliding connection in the groove, the one end fixedly connected with mount of backup pad, the equal threaded connection in both ends of mount has the threaded rod, the one end fixedly connected with fixed block of threaded rod, one side of fixed block and one side overlap joint of lithium cell body.

When using this technical scheme's a lithium cell protection architecture, through the slide bar, the sliding sleeve, a spring, under the combined action of first elastic plate and stopper etc., because the spring cup joints at the slide bar, make the spring can only remove on the slide bar, the direction is fixed, when lithium cell body receives left right impact force, make buffering box and protection casing slide, make the sliding sleeve slide on the slide bar simultaneously, deformation takes place for first elastic plate, thereby can cushion left right direction's impact force, lithium cell body has been protected.

Furthermore, a buffer block is fixedly connected in the buffer box, and two second elastic plates are fixedly connected to the inner wall of the buffer box.

Furthermore, one side of each of the two second elastic plates is fixedly connected with a fixing plate, and one side of each fixing plate is fixedly connected with a supporting plate.

Furthermore, one end of the supporting plate penetrates through the through groove and is fixedly connected with one side of the fixing frame.

Further, the buffer block is made of elastic materials, and the first elastic plate and the second elastic plate are arc-shaped.

(III) advantageous effects

To sum up, the utility model discloses following beneficial effect has:

1. under the combined action of the buffer box, the second elastic plate, the buffer block, the fixed plate, the support plate and the like, when the lithium battery body encounters impact force in the front-back direction, the sliding sleeve moves on the sliding rod, meanwhile, the fixed plate extrudes the second elastic plate and the buffer block, and under the rebound action of the second elastic plate, the buffer block and the like, the impact force in the front-back direction is buffered, so that the lithium battery body is protected;

2. under the combined action of mount, threaded rod and fixed block etc., can fix lithium cell body between two fixed mounts, fix along with lithium cell body.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is an enlarged view of the part A of FIG. 1;

fig. 3 is a schematic view of the three-dimensional structure of the present invention.

The symbols in the drawings are:

1. a protective housing; 2. a lithium battery body; 3. a fixed mount; 4. a threaded rod; 5. a fixed block; 6. a first elastic plate; 7. a limiting block; 8. a slide bar; 9. a sliding sleeve; 10. a spring; 11. mounting grooves; 12. a buffer box; 13. a buffer block; 14. a fixing plate; 15. a second elastic plate; 16. a support plate; 17. a through groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

The embodiment is as follows:

the present invention will be described in further detail with reference to the accompanying fig. 1-3.

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery protection structure comprises a protection shell 1 and a lithium battery body 2, wherein mounting grooves 11 are formed in two sides of the inner wall of the protection shell 1, a slide bar 8 is fixedly connected in each mounting groove 11, two springs 10 and two slide sleeves 9 are sleeved on each slide bar 8, one ends of the two slide sleeves 9 are respectively fixedly connected with one ends of the two springs 10, the two slide sleeves 9 are fixedly connected with a same first elastic plate 6, one side of each first elastic plate 6 is fixedly connected with a limiting block 7, and one side of each limiting block 7 is lapped with one side of the lithium battery body 2;

equal sliding connection in protection casing 1's the other both sides has buffering box 12, sliding connection's mode can be through spout and slider sliding connection, for prior art, no longer describe herein, logical groove 17 has been seted up on buffering box 12, sliding connection has backup pad 16 in logical groove 17, fixedly connected with buffer block 13 in buffering box 12, buffer block 13 is made by elastic material, two second elastic plates 15 of inner wall fixedly connected with of buffering box 12, the shape of first elastic plate 6 and second elastic plate 15 is the arc, one side fixedly connected with fixed plate 14 of two second elastic plates 15, one side fixedly connected with backup pad 16 of fixed plate 14, the one end of backup pad 16 pass logical groove 17 and with one side fixed connection of mount 3, the one end fixedly connected with mount 3 of backup pad 16, the equal threaded connection in both ends of mount 3 has threaded rod 4, the one end fixedly connected with fixed block 5 of threaded rod 4, one side overlap joint of fixed block 5 and one side of lithium cell body 2.

The utility model discloses a theory of operation does: when the lithium battery encounters impact force in the left-right direction, the buffer box 12 slides in the protective shell 1 to extrude the first elastic plate 6 on one side and stretch the first elastic plate 6 on the other side, so that the spring 10 and the sliding sleeve 9 slide on the sliding rod 8, and the impact force in the left-right direction can be buffered under the resilience effect of the first elastic plate 6 and the spring 10;

when lithium cell body 2 met the ascending power of fore-and-aft direction, the backup pad 16 of extrusion one side, the backup pad 16 of pulling opposite side made buffer block 13 and second elastic plate 15 take place deformation, and sliding sleeve 9 and spring 10 slide on slide bar 8 simultaneously, under the effect that spring 10, buffer block 13 and second elastic plate 15 kick-backed, can cushion the ascending impact force of fore-and-aft direction.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Claims

1. A lithium battery protection structure comprises a protection shell (1) and a lithium battery body (2), and is characterized in that: mounting grooves (11) are formed in two sides of the inner wall of the protection shell (1), a sliding rod (8) is fixedly connected in each mounting groove (11), two springs (10) and two sliding sleeves (9) are sleeved on each sliding rod (8), one ends of the two sliding sleeves (9) are fixedly connected with one ends of the two springs (10) respectively, the two sliding sleeves (9) are fixedly connected with the same first elastic plate (6), a limiting block (7) is fixedly connected to one side of each first elastic plate (6), and one side of each limiting block (7) is overlapped with one side of the lithium battery body (2);

the equal sliding connection in other both sides of protection casing (1) has buffering box (12), logical groove (17) have been seted up on buffering box (12), it has backup pad (16) to lead to sliding connection in groove (17), the one end fixedly connected with mount (3) of backup pad (16), the equal threaded connection in both ends of mount (3) has threaded rod (4), the one end fixedly connected with fixed block (5) of threaded rod (4), one side of fixed block (5) and one side overlap joint of lithium cell body (2).

2. A lithium battery protection architecture as claimed in claim 1, characterized in that: fixedly connected with buffer block (13) in buffer box (12), the inner wall fixedly connected with two second elastic plates (15) of buffer box (12).

3. A lithium battery protection structure according to claim 2, characterized in that: one side of each of the two second elastic plates (15) is fixedly connected with a fixing plate (14), and one side of each fixing plate (14) is fixedly connected with a supporting plate (16).

4. A lithium battery protection architecture as claimed in claim 3, characterized in that: one end of the supporting plate (16) penetrates through the through groove (17) and is fixedly connected with one side of the fixing frame (3).

5. A lithium battery protection architecture as claimed in claim 2, characterized in that: the buffer block (13) is made of elastic materials, and the first elastic plate (6) and the second elastic plate (15) are arc-shaped.