CN211507690U

CN211507690U - Polymer electric core packaging structure of two-sided steel sheet

Info

Publication number: CN211507690U
Application number: CN202020208082.XU
Authority: CN
Inventors: 蕫哲安; 彭文亮; 蕫明来; 林英李
Original assignee: Shenzhen Guangwei Electronic Technology Co ltd
Current assignee: Shenzhen Guangwei Electronic Technology Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-09-15
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a polymer electric core packaging structure of two-sided steel sheet, including upper cover plate, lower apron and electric core body, electric core body is located between upper cover plate and the lower apron, a plurality of connecting blocks of the equal fixedly connected with in both sides bottom of upper cover plate, it is a plurality of the bottom of connecting block all is equipped with the fixture block, all be connected through the pivot between fixture block and the connecting block, fixedly connected with spring on the outer wall of one side of fixture block, the one end of fixture block and the outer wall fixed connection of connecting block are kept away from to the spring, all be equipped with the spacing groove with the fixture block joint on the both sides inner wall of apron down, the utility model discloses a setting up of joint structure makes the encapsulation between the apron inseparabler firm, avoids the pine to.

Description

Polymer electric core packaging structure of two-sided steel sheet

Technical Field

The utility model relates to a polymer electric core correlation goods field specifically is a polymer electric core packaging structure of two-sided steel sheet.

Background

Polymer cells are also a component of lithium ion batteries. The composition of the lithium ion secondary rechargeable battery is as follows: compared with a liquid lithium ion battery, the polymer lithium ion battery has the advantages of thinness, arbitrary area, arbitrary shape and the like. Therefore, the battery shell can be made of the aluminum-plastic composite film with lighter weight, so that the specific capacity of the whole battery can be improved; the polymer lithium ion battery can also adopt high molecules as a positive electrode material, and the energy of the polymer lithium ion battery is higher than that of the current liquid lithium ion battery. In addition, the polymer lithium ion battery is improved in working voltage, charge-discharge cycle life and the like compared with the lithium ion battery. Based on above advantage, polymer lithium ion battery is honored as next generation lithium ion battery, and at present, polymer electric core is because the outside is by plastic-aluminum membrane parcel, and intensity is lower, is impaled by outside hard thing easily, so polymer electric core when encapsulating into the battery, and the outside will be wrapped up with the sheetmetal to guarantee its structural strength.

However, the existing polymer battery cell packaging structure with double-sided steel sheets is generally packaged in an adhesion mode, so that the polymer battery cell packaging structure is easy to fall off after being used for a long time, the use efficiency is reduced, and certain defects are caused.

Disclosure of Invention

An object of the utility model is to provide a polymer electricity core packaging structure of two-sided steel sheet to the polymer electricity core packaging structure installation that proposes current two-sided steel sheet among the above-mentioned background art encapsulates through the mode that bonds usually, takes place the condition that drops after using for a long time easily, reduces the availability factor problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polymer electricity core packaging structure of two-sided steel sheet, includes upper cover plate, lower apron and electric core body, electric core body is located between upper cover plate and the lower apron, a plurality of connecting blocks of the equal fixedly connected with in both sides bottom of upper cover plate, it is a plurality of the bottom of connecting block all is equipped with the fixture block, all be connected through the pivot between fixture block and the connecting block, fixedly connected with spring on the outer wall of one side of fixture block, the one end of fixture block and the outer wall fixed connection of connecting block are kept away from to the spring, all be equipped with the spacing groove with the fixture block joint on the both sides inner wall of apron down.

Preferably, the upper cover plate and the lower cover plate are both U-shaped structures, and the lower cover plate is matched with the upper cover plate.

Preferably, the inner walls of the upper cover plate and the lower cover plate are fixedly connected with rubber plates.

Preferably, one end of the clamping block, which is far away from the rotating shaft, is arc-shaped and semicircular.

Preferably, the bottom of the battery cell body is provided with a sealing cover, and the sealing cover is connected with the upper cover plate and the lower cover plate through adhesives.

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

1. this polymer electricity core packaging structure of two-sided steel sheet, block through upper cover plate and between the apron down can block electricity core body into wherein completely, has played the effect of protection electricity core body, fixture block atress extrusion when the block, the fixture block of installing on the connecting block this moment rotates around the connecting block under the effect of pivot, apron complete card is gone into the upper cover plate in back fixture block is automatic kick-backs under the resilience force of spring down to the card is gone into the spacing inslot on the apron inside wall down, realizes the upper cover plate and the fixed of apron down, the utility model discloses a setting up of joint structure makes the encapsulation between the apron inseparabler more firm, avoids the pine to take off.

Drawings

Fig. 1 is a schematic structural diagram of a polymer cell packaging structure of a double-sided steel sheet according to the present invention;

fig. 2 is a schematic structural view of a double-sided steel sheet polymer cell packaging structure a of the present invention;

fig. 3 is a schematic view of the front view structure of the polymer cell packaging structure of the double-sided steel sheet of the present invention.

In the figure: 1-upper cover plate, 2-lower cover plate, 3-cell body, 4-connecting block, 5-clamping block, 6-rotating shaft, 7-spring, 8-limiting groove, 9-rubber plate and 10-sealing cover.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a polymer electricity core packaging structure of two-sided steel sheet, includes upper cover plate 1, lower apron 2 and electric core body 3, its characterized in that: the cell body 3 is positioned between the upper cover plate 1 and the lower cover plate 2, the bottoms of two sides of the upper cover plate 1 are fixedly connected with a plurality of connecting blocks 4, the bottoms of the connecting blocks 4 are provided with clamping blocks 5, the clamping blocks 5 are connected with the connecting blocks 4 through rotating shafts 6, the outer wall of one side of each clamping block 5 is fixedly connected with a spring 7, one end, far away from the clamping blocks 5, of each spring 7 is fixedly connected with the outer wall of the corresponding connecting block 4, the inner walls of two sides of the lower cover plate 2 are provided with limiting grooves 8 clamped with the clamping blocks 5, concretely, the clamping between the upper cover plate 1 and the lower cover plate 2 can completely clamp the cell body 3 into the clamping blocks, the cell body 3 is protected, the clamping blocks 5 are extruded under the force during clamping, the clamping blocks 5 arranged on the connecting blocks 4 rotate around the connecting blocks 4 under the action of the rotating shafts 6, and the clamping blocks 5 automatically rebound under the resilience force of the springs, thereby the upper cover plate 1 and the lower cover plate 2 are fixed by being clamped into the limiting groove 8 on the inner side wall of the lower cover plate 2.

Further, the upper cover plate 1 and the lower cover plate 2 are both of U-shaped structures, and the lower cover plate 2 is matched with the upper cover plate 1, so that the clamping is convenient.

Further, equal fixedly connected with rubber slab 9 on the inner wall of upper cover plate 1 and lower apron 2 increases the buffer power during the block between with electric core body 3.

Furthermore, the one end that pivot 6 was kept away from to fixture block 5 is the arc setting, and the shape is the semicircle type, is convenient for block into spacing groove 8.

Further, the bottom of the battery cell body 3 is provided with a sealing cover 10, and the sealing cover 10 is connected with the upper cover plate 1 and the lower cover plate 2 through an adhesive to protect the leaking part of the tail part.

The working principle is as follows: at first can block electric core body 3 into wherein completely through the block between upper cover plate 1 and the lower apron 2, the effect of protection electric core body 3 has been played, fixture block 5 atress extrusion when the block, fixture block 5 installed on connecting block 4 rotates around connecting block 4 under the effect of pivot 6 this moment, apron 2 is blocked into in upper cover plate 1 back fixture block 5 is automatic kick-back under the resilience force of spring 7 completely down, thereby the card is gone into the spacing groove 8 on apron 2 inside wall down, realize upper cover plate 1 and apron 2's fixed down.

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.

Claims

1. The utility model provides a polymer electricity core packaging structure of two-sided steel sheet, includes upper cover plate (1), lower apron (2) and electric core body (3), its characterized in that: the battery core body (3) is located between the upper cover plate (1) and the lower cover plate (2), a plurality of connecting blocks (4) are fixedly connected to the bottoms of the two sides of the upper cover plate (1) respectively, the connecting blocks (4) are provided with the clamping blocks (5), the clamping blocks (5) and the connecting blocks (4) are connected through the rotating shafts (6), the springs (7) are fixedly connected to the outer wall of one side of each clamping block (5), one ends of the springs (7), far away from the clamping blocks (5), are fixedly connected to the outer walls of the connecting blocks (4), and limiting grooves (8) connected with the clamping blocks (5) are formed in the inner walls of the two sides of the lower cover plate (2).

2. The polymer cell packaging structure of double-sided steel sheets of claim 1, wherein: the upper cover plate (1) and the lower cover plate (2) are both U-shaped structures, and the lower cover plate (2) is matched with the upper cover plate (1).

3. The polymer cell packaging structure of double-sided steel sheets of claim 1, wherein: the inner walls of the upper cover plate (1) and the lower cover plate (2) are fixedly connected with rubber plates (9).

4. The polymer cell packaging structure of double-sided steel sheets of claim 1, wherein: one end of the clamping block (5) far away from the rotating shaft (6) is arc-shaped and semicircular.

5. The polymer cell packaging structure of double-sided steel sheets of claim 1, wherein: the battery cell is characterized in that a sealing cover (10) is arranged at the bottom of the battery cell body (3), and the sealing cover (10) is connected with the upper cover plate (1) and the lower cover plate (2) through an adhesive.