CN212783551U

CN212783551U - Lithium ion battery with plastic package structure

Info

Publication number: CN212783551U
Application number: CN202021571103.0U
Authority: CN
Inventors: 王桂鑫
Original assignee: Guangdong Jin Mo Da Technology Co ltd
Current assignee: Guangdong Jin Mo Da Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a lithium ion battery with a plastic package structure, which comprises a base and a shell main body, wherein the size of a groove is matched with that of a plastic package piece, a user can place the plastic package piece at the upper end of the groove to be convenient for fixing the plastic package piece, and simultaneously place the shell main body at the upper end of the base, the plastic package piece is utilized to enable the shell main body and the base to carry out plastic package, the battery body can be sealed, two groups of positioning grooves are arranged inside a mounting groove and are matched with positioning pins, the battery body can be fixed through the matching use of the positioning grooves and the positioning pins, and an elastic piece and a supporting block are arranged inside the positioning grooves, when the battery body is subjected to external force, the buffering effect can be realized, the damage to the battery body is prevented, the service life of the battery body is prolonged, when the battery body is heated to generate expansion deformation, the shell main body can, prevent that battery body bulging deformation from causing the damage to the shell main part, protect effectually.

Description

Lithium ion battery with plastic package structure

Technical Field

The utility model relates to the technical field of batteries, specifically be a lithium ion battery of plastic envelope structure.

Background

The battery refers to a part of a space of a cup, a tank or other container or a composite container containing an electrolyte solution and a metal electrode to generate a current, a device capable of converting chemical energy into electric energy, having a positive electrode and a negative electrode, and a lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by moving lithium ions between the positive electrode and the negative electrode.

At the in-process that lithium ion battery used, because can not carry out fine sealing to the battery, influence the life of battery body, and some be not convenient for fix the plastic-sealed piece, influence sealed effect easily, the result of use is not good, and the battery uses for a long time and makes the battery body take place to warp easily, does not generally have the structure of protecting to the shell main part, makes the shell main part impaired easily.

To the above problem, the utility model provides a lithium ion battery of plastic envelope structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery of plastic envelope structure possesses and to carry out the plastic envelope to the battery, improves the leakproofness, can protect the shell main part, is convenient for fix plastic-sealed spare, advantage that facilitates the use to the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion battery with a plastic package structure comprises a base and a shell main body, wherein the shell main body is arranged at the upper end of the base, the base comprises a mounting groove and a plastic package part, the mounting groove is processed on the upper surface of the base, and the plastic package part is arranged on the inner side of the mounting groove;

the battery case comprises a case body, a battery body, a positioning pin and a protection piece, wherein the case body comprises a heat dissipation groove, the battery body, the positioning pin and the protection piece, the heat dissipation groove is machined in the upper surface of the case body, the battery body is arranged in the case body, the positioning pin is arranged at the lower end of the battery body, and the protection piece is fixedly arranged on the inner wall of the case body.

Preferably, the mounting groove includes recess and constant head tank, and the recess is seted up in one side of mounting groove, and the size phase-match of recess and plastic-sealed piece, and the constant head tank is seted up in one side of recess, and constant head tank and locating pin phase-match.

Preferably, the positioning groove comprises an elastic element and a supporting block, the elastic element is arranged inside the positioning groove, and the supporting block is arranged at the upper end of the elastic element.

Preferably, the battery body comprises a positive pole, a negative pole and an exhaust hole, the positive pole is fixedly mounted at the upper end of the battery body, the negative pole is arranged on one side of the positive pole, and the exhaust hole is arranged at the upper end of the battery body.

Preferably, the protection piece includes adhesion layer and elastic layer, and the adhesion layer sets up in the inside of shell main part, and the elastic layer setting is in the inboard on adhesion layer, and the elastic layer sets up to square form, and the elastic layer adopts the component that a PU sponge material made.

Preferably, the positioning pins are arranged in two groups, and the two groups of positioning pins are symmetrically distributed about the longitudinal center line of the battery body.

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

1. the utility model provides a lithium ion battery of plastic envelope structure is provided with the mounting groove in the upper end of base, and the inside at the mounting groove is seted up to the recess, and the big or small phase-match of recess and plastic-sealed piece, and the user can place the plastic-sealed piece in the upper end of recess, is convenient for fix the plastic-sealed piece, places the shell main part in the upper end of base simultaneously, utilizes the plastic-sealed piece to make shell main part and base carry out the plastic envelope, can seal battery body.

2. The utility model provides a lithium ion battery of plastic envelope structure, two sets of constant head tanks have been seted up in the inside of mounting groove, and constant head tank and locating pin phase-match, cooperation through constant head tank and locating pin is used, can fix battery body, and be provided with elastic component and supporting shoe in the inside of constant head tank, when receiving external force, can have the cushioning effect, prevent to cause the harm to battery body, improve battery body's life, and be provided with the exhaust hole in one side upper end of battery body, the heat that produces in the battery body use can be followed the exhaust hole and discharged, be provided with the radiating groove at the upper surface of shell main part simultaneously, the convenience dispels the heat to battery body, the radiating effect is good.

3. The utility model provides a lithium ion battery of plastic envelope structure is provided with the adhesion layer in the inside of shell main part, and the elastic layer setting is in one side of adhesion layer, and the elastic layer adopts the component that a PU sponge material made, when battery body is heated and produces the expansion deformation, utilizes the elastic layer to protect the shell main part, prevents that battery body expansion deformation from causing the damage to the shell main part, and the protecting effect is good.

Drawings

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

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a schematic view of the inside of the main structure of the housing of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a base; 11. mounting grooves; 111. a groove; 112. positioning a groove; 1121. an elastic member; 1122. a support block; 12. molding the part; 2. a housing main body; 21. a heat sink; 22. a battery body; 221. a positive post; 222. a negative pole post; 223. an exhaust hole; 23. positioning pins; 24. a protective member; 241. an adhesion layer; 242. an elastic layer.

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, a lithium ion battery with a plastic package structure includes a base 1 and a housing main body 2, the housing main body 2 is disposed at an upper end of the base 1, the base 1 includes a mounting groove 11 and a plastic package 12, the mounting groove 11 is processed on an upper surface of the base 1, and the plastic package 12 is disposed at an inner side of the mounting groove 11; the housing main body 2 comprises a heat dissipation groove 21, a battery body 22, a positioning pin 23 and a protection piece 24, wherein the heat dissipation groove 21 is processed on the upper surface of the housing main body 2, the battery body 22 is arranged inside the housing main body 2, the positioning pin 23 is arranged at the lower end of the battery body 22, and the protection piece 24 is fixedly arranged on the inner wall of the housing main body 2; two sets of positioning pins 23 are provided, and the two sets of positioning pins 23 are symmetrically distributed about the longitudinal center line of the battery body 22.

Referring to fig. 2 and 4, the mounting groove 11 includes a groove 111 and a positioning groove 112, the groove 111 is formed on one side of the mounting groove 11, the size of the groove 111 matches that of the plastic package 12, the positioning groove 112 is formed on one side of the groove 111, and the positioning groove 112 matches with the positioning pin 23; a user can place the plastic package part 12 at the upper end of the groove 111, so that the plastic package part 12 is convenient to fix, meanwhile, the shell main body 2 is placed at the upper end of the base 1, the shell main body 2 and the base 1 can be subjected to plastic package by using the plastic package part 12, and the battery body 22 can be sealed; the positioning slot 112 includes an elastic member 1121 and a supporting block 1122, the elastic member 1121 is disposed inside the positioning slot 112, and the supporting block 1122 is disposed at the upper end of the elastic member 1121; through the cooperation use of constant head tank 112 and locating pin 23, can fix battery body 22, and be provided with elastic component 1121 and supporting shoe 1122 in the inside of constant head tank 112, when receiving external force, can have the cushioning effect, prevent to cause the harm to battery body 22, improve battery body 22's life.

Referring to fig. 3, the battery body 22 includes a positive post 221, a negative post 222 and an exhaust hole 223, the positive post 221 is fixedly installed at the upper end of the battery body 22, the negative post 222 is disposed at one side of the positive post 221, and the exhaust hole 223 is disposed at the upper end of the battery body 22; the heat generated in the use process of the battery body 22 can be discharged from the vent hole 223, meanwhile, the heat dissipation groove 21 is formed in the upper surface of the housing main body 2, the heat dissipation of the battery body 22 is facilitated, the heat dissipation effect is good, the protection member 24 comprises an adhesion layer 241 and an elastic layer 242, the adhesion layer 241 is arranged inside the housing main body 2, the elastic layer 242 is arranged on the inner side of the adhesion layer 241, the elastic layer 242 is square, and the elastic layer 242 is made of PU sponge material; when the battery body 22 is heated to generate expansion deformation, the elastic layer 242 can be used for protecting the housing main body 2, so that the battery body 22 is prevented from being damaged by the expansion deformation of the housing main body 2, and the protection effect is good.

In summary, the following steps: the lithium ion battery with the plastic package structure is characterized in that the upper end of the base 1 is provided with the mounting groove 11, the groove 111 is formed in the mounting groove 11, the groove 111 is matched with the plastic package part 12 in size, a user can place the plastic package part 12 at the upper end of the groove 111 to fix the plastic package part 12 conveniently, meanwhile, the shell main body 2 is placed at the upper end of the base 1, the shell main body 2 and the base 1 can be subjected to plastic package by using the plastic package part 12, the battery body 22 can be sealed, two groups of positioning grooves 112 are formed in the mounting groove 11, the positioning grooves 112 are matched with the positioning pins 23, the battery body 22 can be fixed by matching the positioning grooves 112 with the positioning pins 23, the elastic parts 1121 and the supporting blocks 1122 are arranged in the positioning grooves 112, when external force is applied, a buffering effect can be achieved, damage to the battery body 22 is prevented, and the service life of the battery body 22 is prolonged, and be provided with exhaust hole 223 in one side upper end of battery body 22, the heat that produces in the use of battery body 22 can be discharged from exhaust hole 223, be provided with radiating groove 21 at the upper surface of casing main part 2 simultaneously, conveniently dispel the heat to battery body 22, the radiating effect is good, be provided with adhesion layer 241 in the inside of casing main part 2, elastic layer 242 sets up the one side at adhesion layer 241, and elastic layer 242 adopts the component that a PU sponge material made, when battery body 22 is heated and produces the dilatational strain, utilize elastic layer 242 to protect casing main part 2, prevent that battery body 22 dilatational strain from causing the damage to casing main part 2, the protecting effect is good.

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 lithium ion battery of plastic envelope structure, includes base (1) and housing body (2), and housing body (2) set up the upper end at base (1), its characterized in that: the base (1) comprises a mounting groove (11) and a plastic package piece (12), the mounting groove (11) is processed on the upper surface of the base (1), and the plastic package piece (12) is arranged on the inner side of the mounting groove (11);

the battery case is characterized in that the case main body (2) comprises a heat dissipation groove (21), a battery body (22), a positioning pin (23) and a protection piece (24), the heat dissipation groove (21) is machined on the upper surface of the case main body (2), the battery body (22) is arranged inside the case main body (2), the positioning pin (23) is arranged at the lower end of the battery body (22), and the protection piece (24) is fixedly installed on the inner wall of the case main body (2).

2. The lithium ion battery with the plastic package structure according to claim 1, wherein: mounting groove (11) include recess (111) and constant head tank (112), and recess (111) are seted up in one side of mounting groove (11), and the size phase-match of recess (111) and plastic-sealed piece (12), and constant head tank (112) are seted up in one side of recess (111), and constant head tank (112) and locating pin (23) phase-match.

3. The lithium ion battery with the plastic package structure according to claim 2, wherein: the positioning groove (112) comprises an elastic piece (1121) and a supporting block (1122), the elastic piece (1121) is arranged inside the positioning groove (112), and the supporting block (1122) is arranged at the upper end of the elastic piece (1121).

4. The lithium ion battery with the plastic package structure according to claim 1, wherein: the battery body (22) comprises a positive pole (221), a negative pole (222) and an exhaust hole (223), the positive pole (221) is fixedly installed at the upper end of the battery body (22), the negative pole (222) is arranged on one side of the positive pole (221), and the exhaust hole (223) is arranged at the upper end of the battery body (22).

5. The lithium ion battery with the plastic package structure according to claim 1, wherein: protection piece (24) are including adhesion layer (241) and elastic layer (242), and adhesion layer (241) sets up in the inside of shell main part (2), and elastic layer (242) set up the inboard at adhesion layer (241), and elastic layer (242) set up to square form, and elastic layer (242) adopt the component that a PU sponge material made.

6. The lithium ion battery with the plastic package structure according to claim 1, wherein: the positioning pins (23) are arranged in two groups, and the two groups of positioning pins (23) are symmetrically distributed about the longitudinal center line of the battery body (22).