CN211062750U

CN211062750U - Self-protection type lithium battery packaging shell

Info

Publication number: CN211062750U
Application number: CN201922036055.9U
Authority: CN
Inventors: 李绍远
Original assignee: Suzhou Ruixiang Electronics Co ltd
Current assignee: Suzhou Ruixiang Electronics Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-21
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a from protection type lithium battery packaging shell belongs to lithium battery shell technical field, including the battery case, the lower extreme of battery case is seted up flutedly, fixedly connected with buffer spring in the recess, buffer spring's one end fixedly connected with buffer board, and slidable mounting has the spacer pin on the buffer board, the spacing groove has been seted up on both ends surface around the battery case, and the spacing groove is horizontal L shape, the notch size and the spacer pin phase-match of spacing groove, the long wide size and the recess phase-match of buffer board, a plurality of joint mouth has been seted up to the inner wall symmetry of battery case, and the interior joint of joint installs the battery division board, the upper end of battery case is provided with the box closing cap, the utility model discloses interval regulation is convenient in the battery case, accomodate and distribute as required, when falling the problem appears in the handling, play the buffering by the buffer board, the effect of dispersion impact, the protection battery case body does not receive destruction, expand during the transport, accomodate.

Description

Self-protection type lithium battery packaging shell

Technical Field

The utility model relates to a lithium battery case field, in particular to from protection type lithium cell packaging shell.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material, and can be roughly classified into two types: the lithium battery does not contain metallic lithium and can be charged, the battery modules are placed together in a centralized manner by the lithium battery shell, and each single-cell battery is connected in series so as to be convenient for a user to use.

The current lithium battery case has certain drawback when using, does not have the function of regulation, can not adjust the space of the inside of packaging shell in order to accomplish the adaptation to battery module thickness according to the thickness of the battery module of actual installation to there is the phenomenon of dropping the damage in lithium battery handling, does not have safeguard function, needs further perfect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from protection type lithium cell packaging shell, can effectively solve the problem in the background art.

The utility model discloses a technical scheme realizes above-mentioned purpose, a from protection type lithium cell packaging shell, including the battery case, the lower extreme of battery case is seted up flutedly, fixedly connected with buffer spring in the recess, buffer spring's one end fixedly connected with buffer board, and slidable mounting has the spacer pin on the buffer board, the spacing groove has been seted up on the both ends surface around the battery case, and the spacing groove is horizontal L shape, the notch size of spacing groove and spacer pin phase-match, the length and width size of buffer board and recess phase-match;

a plurality of joint mouth has been seted up to the inner wall symmetry of battery case, and the joint installs the battery division board in the joint mouth, the upper end of battery case is provided with the box closing cap, and box closing cap and battery case fixed mounting, the shelving groove has been seted up to the lower extreme of box closing cap, the length and width size and the battery division board phase-match of shelving groove, and the degree of depth in shelving groove will be greater than the thickness of battery division board, is located the lower extreme of battery case is shelved the groove and is closed on both sides and rotate and install spacing blend stop, fixedly connected with compression spring on the spacing blend stop.

Preferably, bolt holes are formed in the surfaces of the box sealing cover and the battery box, fastening bolts are rotatably mounted in the bolt holes, and the box sealing cover and the battery box are fixedly mounted through the fastening bolts.

Preferably, the winding bases are symmetrically and fixedly installed at the upper end of the battery box, and nylon belts are installed on the surfaces of the winding bases.

Preferably, the battery box is of a cuboid hollow structure, and the rear end of the battery box is provided with a heat dissipation hole.

Preferably, the winding base is composed of two square plastic blocks and a cylindrical plastic rod, and the plastic rod is arranged between the two plastic blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the battery box is internally provided with a plurality of clamping ports, the battery division plate is installed in the battery box through the clamping ports, the battery division plate is extracted out of the clamping ports which can be installed at different positions again, so that the interval between the battery division plates is changed, the battery modules with different thicknesses can be adapted, the transformation is convenient to adjust freely, and when the idle battery division plate is not used, the battery division plate can be placed in a shelving groove of the box sealing cover, the limiting blocking strip is rotated to the shelving groove position and is contacted with the battery division plate to play a limiting role, a compression spring positioned on the limiting blocking strip is compressed to increase friction force with the contact of the battery division plate, a user can remove the limiting effect on the battery division plate by rotating the limiting blocking strip, the battery division plate can be taken down for reuse at the moment, the interval in the battery box is convenient to adjust, and can.

2. Buffer board and recess looks adaptation under the battery case, when using, exert pressure, buffer board and buffer spring pressurized, the buffer board upwards is accomodate in the recess, spacer pin on the buffer board is in the spacing inslot, with spacer pin lateral sliding, accomplish the spacing operation to the buffer board through spacing round pin, make the buffer board accomodate in the recess all the time, when needs are carried packaging casing, can slide the spacer pin to initial position, receive buffer spring's elasticity influence this moment, release the spacer pin in the spacing inslot, the buffer board is deviate from in the recess, buffer spring expandes completely, when the problem that falls appears in the handling, play the buffering by the buffer board, the effect of dispersion impact force, protection battery case body does not receive destruction, expand during the transport, accomodate more reliably safety during the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an expanded view of the present invention;

FIG. 3 is a bottom view of the box cover of the present invention;

fig. 4 is a schematic view of the limiting barrier of the present invention.

In the figure: 1. a battery case; 2. winding the base; 3. a nylon band; 4. a box cover; 5. fastening a bolt; 6. bolt holes; 7. a buffer spring; 8. a buffer plate; 9. a spacing pin; 10. a limiting groove; 11. a card interface; 12. a battery separator plate; 13. a resting groove; 14. a limiting barrier strip; 15. compressing the spring.

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. 1-4, a self-protection lithium battery package casing comprises a battery box 1, a groove is formed at the lower end of the battery box 1, a buffer spring 7 is fixedly connected in the groove, one end of the buffer spring 7 is fixedly connected with a buffer plate 8, a limit pin 9 is slidably mounted on the buffer plate 8, limit grooves 10 are formed in the front end surface and the rear end surface of the battery box 1, the limit grooves 10 are in a transverse L shape, the size of the notch of each limit groove 10 is matched with that of the corresponding limit pin 9, and the length and width of the buffer plate 8 are matched with that of the corresponding groove;

a plurality of joint mouth 11 has been seted up to battery case 1's inner wall symmetry, and joint installs battery division board 12 in the joint mouth 11, has certain interval between the battery division board 12 and is used for depositing battery module, and battery case 1's upper end is provided with box closing cap 4, and box closing cap 4 and battery case 1 fixed mounting, and the lower extreme of box closing cap 4 has been seted up and has been put groove 13, and the length and width size that puts groove 13 and battery division board 12 phase-match, and the degree of depth that puts groove 13 will be greater than the thickness of battery division board 12. The placing groove 13 is used for placing redundant battery separating plates 12, the two adjacent sides of the placing groove 13 positioned at the lower end of the battery box 1 are rotatably provided with limiting barrier strips 14, and the limiting barrier strips 14 are fixedly connected with compression springs 15.

Bolt holes 6 are formed in the surfaces of the box sealing cover 4 and the battery box 1, fastening bolts 5 are rotatably mounted in the bolt holes 6, and the box sealing cover 4 and the battery box 1 are fixedly mounted through the fastening bolts 5; the winding base 2 is symmetrically and fixedly arranged at the upper end of the battery box 1, and the nylon belts 3 are arranged on the surface of the winding base 2; the battery box 1 is of a cuboid hollow structure, and the rear end of the battery box 1 is provided with a heat dissipation hole which is helpful for heat dissipation and cooling of a battery module during working; the winding base 2 is composed of two square plastic blocks and a cylindrical plastic rod, and the plastic rod is arranged between the two plastic blocks.

The utility model discloses a theory of operation: the fastening bolt 5 is simultaneously rotated in the bolt hole 6 of the box sealing cover 4 and the battery box 1 to realize the fixed installation between the box sealing cover 4 and the battery box 1, the winding base 2 is fixedly connected with the battery box 1, the nylon belt 3 is wound on the winding base 2, the nylon belt 3 can be hung on the shoulder to facilitate the movement of the lithium battery shell, the fastening bolt 5 is rotated leftwards and taken down to complete the disassembly operation of the box sealing cover 4, a plurality of clamping ports 11 are arranged in the battery box 1, the battery separation plate 12 is clamped and installed in the battery box 1 through the clamping ports 11, the battery separation plate 12 is pulled out of the clamping ports 11 which can be remounted at different positions, thereby changing the interval between the battery separation plates 12 to adapt to battery modules with different thicknesses, the free adjustment is convenient, and when the idle battery separation plate 12 is generated, the battery separation plate 12 can be placed in the placing groove 13 of the box sealing cover 4, the limiting barrier 14 is rotated to the position of the shelving groove 13 to contact with the battery separation plate 12 to play a limiting role, the compression spring 15 on the limiting barrier 14 is compressed to contact with the battery separation plate 12 to increase friction force, a user can remove the limiting effect on the battery separation plate 12 by rotating the limiting barrier 14, the battery separation plate 12 can be taken down and reused at the moment, the buffer plate 8 is matched with the groove under the battery box 1, when the battery pack is used, pressure is applied, the buffer plate 8 and the buffer spring 7 are pressed, the buffer plate 8 is upwards accommodated in the groove, the limiting pin 9 on the buffer plate 8 is positioned in the limiting groove 10, the limiting pin 9 transversely slides, the limiting operation on the buffer plate 8 is completed through the limiting pin 9, so that the buffer plate 8 is always accommodated in the groove, when the packaging shell needs to be transported, the limiting pin 9 can slide to an initial position, and is influenced by the elasticity of the buffer spring 7 at the moment, release the spacing groove 10 with spacer pin 9 in, the buffer board 8 is deviate from in the recess, and buffer spring 7 expandes completely, when the problem that falls appears in the handling, plays the effect of buffering, dispersion impact power by buffer board 8, and protection battery case 1 body does not receive destruction, expandes during the transport, accomodates more reliable safety during the use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The self-protection type lithium battery packaging shell is characterized by comprising a battery box (1), wherein a groove is formed in the lower end of the battery box (1), a buffer spring (7) is fixedly connected in the groove, one end of the buffer spring (7) is fixedly connected with a buffer plate (8), a limiting pin (9) is slidably mounted on the buffer plate (8), limiting grooves (10) are formed in the surfaces of the front end and the rear end of the battery box (1), the limiting grooves (10) are in a transverse L shape, the size of a notch of each limiting groove (10) is matched with that of each limiting pin (9), and the length and width of each buffer plate (8) are matched with that of each groove;

a plurality of joint mouth (11) have been seted up to the inner wall symmetry of battery case (1), and joint installs battery division board (12) in joint mouth (11), the upper end of battery case (1) is provided with box closing cap (4), and box closing cap (4) and battery case (1) fixed mounting, the lower extreme of box closing cap (4) has been seted up and has been put groove (13), the long wide size and battery division board (12) phase-match of putting groove (13), and the degree of depth of putting groove (13) will be greater than the thickness of battery division board (12), is located the lower extreme of battery case (1) is put the both sides that close on of groove (13) and is rotated and is installed spacing blend stop (14), fixedly connected with compression spring (15) on spacing blend stop (14).

2. The self-protected lithium battery pack case according to claim 1, wherein: bolt holes (6) are formed in the surfaces of the box sealing cover (4) and the battery box (1), fastening bolts (5) are installed in the bolt holes (6) in a rotating mode, and the box sealing cover (4) and the battery box (1) are fixedly installed through the fastening bolts (5).

3. The self-protected lithium battery pack case according to claim 2, wherein: the battery box is characterized in that winding bases (2) are symmetrically and fixedly mounted at the upper end of the battery box (1), and nylon belts (3) are mounted on the surfaces of the winding bases (2).

4. The self-protected lithium battery pack case according to claim 3, wherein: the battery box (1) is of a cuboid hollow structure, and heat dissipation holes are formed in the rear end of the battery box (1).

5. The self-protected lithium battery pack case according to claim 3, wherein: the winding base (2) is composed of two square plastic blocks and a cylindrical plastic rod, and the plastic rod is arranged between the two plastic blocks.