CN210325863U

CN210325863U - Novel multifunctional aluminum-plastic packaging film for lithium ion battery

Info

Publication number: CN210325863U
Application number: CN201920961028.XU
Authority: CN
Inventors: 吴安理; 吴淑芬; 李小涛
Original assignee: Guangdong Dexing Polymer Film Material Research Co Ltd
Current assignee: Guangdong Dexing Polymer Film Material Research Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-14
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a novel many functional type lithium ion battery plastic-aluminum packaging film, including battery main part and curb plate. The utility model has the advantages that the buffer layer is arranged, the foam is filled in the buffer layer, the volume change of the expanded lithium ion battery can be adapted to the inner part, the energy can be absorbed and buffered to the outer part, the damage to the lithium ion battery is avoided, and the buffering effect is good; by arranging the side plates, when the lithium ion battery deforms, danger caused by overlarge internal pressure of the lithium ion battery can be avoided through movement between the side plates, meanwhile, the damage of the external part to the lithium ion battery can be avoided through the side plates, and the protection effect is good; through being provided with the foaming membrane, can guarantee lithium ion battery's stability, avoid lithium ion battery to damage. The utility model has the advantages of the protecting effect is good and the buffering is good.

Description

Novel multifunctional aluminum-plastic packaging film for lithium ion battery

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a novel many functional type lithium ion battery plastic-aluminum packaging film.

Background

With the development of science and technology, the technology of lithium ion batteries is becoming more and more mature, and the lithium ion batteries have been developed from the former small-sized and small-capacity lithium ion batteries to the present large-sized and large-capacity lithium ion batteries, and the lithium ion batteries are also developed from the power supply of some small electric appliances to the power supply operation of automobiles or large-sized machines. With the increase in volume of lithium ion batteries, improvement in safety of lithium ion batteries has been inevitable. The lithium ion battery in the prior art is placed in a protective shell, except for the protective shell, an aluminum-plastic packaging film is adopted for packaging, once the external protective shell is damaged, the aluminum-plastic packaging film in the lithium ion battery is very easy to damage, so that the lithium ion battery is very easy to damage, which is a major defect in the prior art; in addition, when the lithium ion battery in the prior art is used, the lithium ion battery can expand in certain volume, and the prior art can not effectively guarantee the safety of the lithium ion battery when the volume of the lithium ion battery is increased by packaging the lithium ion battery in the protective shell, so that the safety of the lithium ion battery is not facilitated, which is another disadvantage in the prior art. Based on above reason, the utility model provides a novel many functional type lithium ion battery plastic-aluminum packaging film solves these not enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's fragile and defect that can not cushion, provide a novel many functional type lithium ion battery plastic-aluminum packaging film. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery has the characteristics of good protection effect, good buffering and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel multi-functional type lithium ion battery plastic-aluminum packaging film, includes the battery main part, fixedly connected with plastic-aluminum membrane on the lateral wall of battery main part, fixedly connected with foaming membrane on the lateral wall of plastic-aluminum membrane, fixedly connected with wire net on the lateral wall of foaming membrane, be provided with four curb plates on the lateral wall of wire net, four mutual swing joint settings, four between the curb plate the outside of curb plate is provided with the buffer layer.

Preferably, the two side plates at the upper side and the lower side are both provided with a groove close to the left side and the right side, a movable sleeve is movably connected in the groove, a first spring is fixedly connected to the left side wall and the right side wall of the movable sleeve, one end of the first spring, which is far away from the movable sleeve, is fixedly connected to the left side wall and the right side wall of the groove, the upper side and the lower side of the side plates at the left side and the right side are both inserted into the movable sleeve, and the side plates at the left side and the.

Preferably, an adhesive is coated on a side wall of the aluminum plastic film, which is far away from the battery body, and the aluminum plastic film and the foaming film are fixedly connected through the adhesive.

Preferably, another adhesive is coated on the side wall of the foaming film far away from the aluminum plastic film, and the foaming film and the steel wire mesh are fixedly connected through the adhesive.

Preferably, first chutes are formed in the front side wall and the rear side wall of the groove, first sliding blocks are fixedly connected to the front side wall and the rear side wall of the movable sleeve, and the first sliding blocks are movably connected with the first chutes.

Preferably, the left side wall and the right side wall of the movable sleeve are respectively provided with a second sliding groove, the second sliding grooves are arranged from top to bottom, the left side wall and the right side wall of the side plate are close to the upper side and the lower side respectively and are fixedly connected with a second sliding block, the second sliding block and the second sliding grooves are movably connected, the upper side wall and the lower side wall of the second sliding block are respectively and fixedly connected with a second spring, and one end of the second sliding block, far away from the second spring, is fixedly connected to the upper side wall and the lower side wall of the second sliding.

Preferably, the buffer layer is filled with foam.

Preferably, the area of the side plates on the front side and the rear side is larger than that of the side plates on the left side and the right side.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the buffer layer is arranged, the foam is filled in the buffer layer, the volume change of the expanded lithium ion battery can be adapted to the inner part, the energy can be absorbed and buffered to the outer part, the damage to the lithium ion battery is avoided, and the buffering effect is good; by arranging the side plates, when the lithium ion battery deforms, danger caused by overlarge internal pressure of the lithium ion battery can be avoided through movement between the side plates, meanwhile, the damage of the external part to the lithium ion battery can be avoided through the side plates, and the protection effect is good; through being provided with the foaming membrane, can guarantee lithium ion battery's stability, avoid lithium ion battery to damage.

Drawings

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

FIG. 2 is a schematic diagram of the internal structure of FIG. 1 at A according to the present invention;

fig. 3 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. a battery main body; 2. an aluminum-plastic film; 3. a foamed film; 4. steel wire mesh; 5. a side plate; 6. a buffer layer; 7. a groove; 8. a movable sleeve; 9. a first spring; 10. an adhesive; 11. a first chute; 12. a first slider; 13. a second chute; 14. a second slider; 15. a second 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. 1-3, the present invention provides a technical solution: a novel multifunctional lithium ion battery aluminum-plastic packaging film comprises a battery body 1, an aluminum-plastic film 2 is fixedly connected to the outer side wall of the battery body 1, a foaming film 3 is fixedly connected to the outer side wall of the aluminum-plastic film 2, an adhesive 10 is coated on the side wall of the aluminum-plastic film 2, which is far away from one side of the battery body 1, the aluminum-plastic film 2 and the foaming film 3 are fixedly connected through the adhesive 10, a steel wire mesh 4 is fixedly connected to the outer side wall of the foaming film 3, so that the aluminum-plastic film 2 and the foaming film 3 are prevented from being torn and damaged, meanwhile, the protection effect is improved, another adhesive 10 is coated on the side wall of the foaming film 3, which is far away from one side of the aluminum-plastic film 2, the foaming film 3 and the steel wire mesh 4 are fixedly connected through the adhesive 10, four side plates 5 are arranged on the outer side wall of the steel wire mesh 4, the areas of the front side plate, the upper side plate 5 and the lower side plate 5 are respectively provided with a groove 7 close to the left side and the right side, a movable sleeve 8 is movably connected in the groove 7, the front side wall and the rear side wall of the groove 7 are respectively provided with a first chute 11, the front side wall and the rear side wall of the movable sleeve 8 are respectively fixedly connected with a first slide block 12, the first slide block 12 and the first chute 11 are movably connected, the left side wall and the right side wall of the movable sleeve 8 are respectively fixedly connected with a first spring 9, one end of the first spring 9 far away from the movable sleeve 8 is fixedly connected on the left side wall and the right side wall of the groove 7, the upper side and the lower side of the left side plate 5 and the lower side plate are respectively inserted into the movable sleeve 8, the left side plate 5 and the movable sleeve 8 are movably connected, the left side wall and the right side plate 8 are respectively provided with a second chute 13, the second chutes 13 are arranged from top to bottom, the left, equal fixedly connected with second spring 15 on the upper and lower lateral wall of second slider 14, second spring 15 keeps away from 14 one end fixed connection of second slider on the upper and lower lateral wall of second spout 13, can effectual adaptation battery main body 1's deformation, can play fine guard action through curb plate 5 simultaneously, excellent in protection effect, the outside of four curb plates 5 is provided with buffer layer 6, the 6 intussuseption of buffer layer is filled with the foam and to the deformation that can adapt to battery main body 1 internally, can the energy-absorbing buffering outward, buffering protective effect is good.

The working principle is as follows: the utility model discloses the device is provided with buffer layer 6 through the outside when using, when there is the vibration in the outside, foam through in the buffer layer 6 carries out the energy-absorbing buffering, avoid the damage to battery main part 1, the buffering effect is good, when battery main part 1 uses a period to take place deformation, make second spring 15 motion in movable sleeve 8 through the first spring 9 motion of 8 extrusion of movable sleeve and curb plate 5, can make curb plate 5 adapt to battery main part 1's deformation, avoid the damage that battery main part 1 internal pressure is too high to cause, and can effectually prevent the damage possibility to battery main part 1 through curb plate 5, the protecting effect is good, can make foaming membrane 3 and plastic-aluminum membrane 2 avoid tearing possibility through the effect of wire net 4, improve battery main part 1's security.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel many functional type lithium ion battery plastic-aluminum packaging film, includes battery subject (1), its characterized in that: fixedly connected with plastic-aluminum membrane (2) on the lateral wall of battery main part (1), fixedly connected with foaming membrane (3) on the lateral wall of plastic-aluminum membrane (2), fixedly connected with wire net (4) on the lateral wall of foaming membrane (3), be provided with four curb plates (5) on the lateral wall of wire net (4), swing joint sets up, four each other between four curb plates (5) the outside of curb plate (5) is provided with buffer layer (6).

2. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 1, wherein: go up the downside two curb plate (5) are close to the left and right sides and all set up recess (7), swing joint has movable sleeve (8) in recess (7), equal first spring (9) of fixedly connected with on the lateral wall about movable sleeve (8), movable sleeve (8) one end fixed connection is kept away from in first spring (9) on the lateral wall about recess (7), the left and right sides the upper and lower both sides of curb plate (5) all insert and set up in movable sleeve (8), the left and right sides swing joint sets up between curb plate (5) and the movable sleeve (8).

3. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 1, wherein: the side wall of one side, away from the battery main body (1), of the aluminum plastic film (2) is coated with an adhesive (10), and the aluminum plastic film (2) and the foaming film (3) are fixedly connected through the adhesive (10).

4. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 1, wherein: the side wall of one side, away from the aluminum plastic film (2), of the foaming film (3) is coated with another adhesive (10), and the foaming film (3) and the steel wire mesh (4) are fixedly connected through the adhesive (10).

5. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 2, wherein: first spout (11) have all been seted up on the lateral wall around recess (7), equal first slider (12) of fixedly connected with on the lateral wall around movable sleeve (8), swing joint sets up between first slider (12) and first spout (11).

6. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 2, wherein: second spout (13) have all been seted up on the lateral wall about movable sleeve (8), second spout (13) top-down sets up, the left and right sides lateral wall is close to the equal fixedly connected with second slider (14) of downside about curb plate (5), swing joint sets up between second slider (14) and second spout (13), equal fixedly connected with second spring (15) on the upper and lower lateral wall of second slider (14), second slider (14) one end fixed connection is kept away from in second spring (15) on the upper and lower lateral wall of second spout (13).

7. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 1, wherein: and the buffer layer (6) is filled with foam.

8. The novel multifunctional aluminum-plastic packaging film for the lithium ion battery as claimed in claim 1, wherein: the area of the side plates (5) at the front side and the rear side is larger than that of the side plates (5) at the left side and the right side.