CN217306657U

CN217306657U - Battery box sealing structure, power battery and new energy vehicle

Info

Publication number: CN217306657U
Application number: CN202220644049.0U
Authority: CN
Inventors: 姚孟林; 李远华
Original assignee: Yiyang Changtian New Energy Technology Co ltd
Current assignee: Yiyang Changtian New Energy Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-08-26
Anticipated expiration: 2032-03-22

Abstract

The utility model relates to a battery box seals technical field, especially relates to a battery box seal structure and power battery and new energy vehicle, battery box seal structure includes lower box, upper cover and fastener, the upper cover through a plurality of fasteners with the lower box is connected, still be equipped with the sealing glue layer between the contact part of upper cover and lower box; the lower box body is provided with a sealing groove, the upper cover is opposite to the sealing groove and is provided with a plurality of glue injection holes, and the sealing glue layer is formed by injecting sealant into the sealing groove from the glue injection holes one by one through a glue injection device. The utility model discloses a battery box seal structure has reduced the surface requirement to sealed part and has reduced the material requirement to the sealing member, has guaranteed the uniformity of product, is favorable to the process control of production, has reduced the manufacturing cost of product.

Description

Battery box sealing structure, power battery and new energy vehicle

Technical Field

The utility model relates to a battery box seals technical field, especially relates to a battery box seal structure and power battery and new forms of energy vehicle.

Background

The existing battery box upper cover and lower box sealing mainly adopt the following two schemes:

the first scheme is as follows: adding a sealing gasket between the sealing parts, and finally screwing the screw;

scheme II: coating two-component foaming glue on one part to be sealed, closing the other part to be sealed after the foaming glue is solidified, and finally screwing down the screw.

The above two schemes have the following problems:

1. the requirement on the flatness of the part is high, so that the manufacturing cost of the part is high;

2. after long-term use, the sealing performance is failed due to the deformation of parts;

3. the compression amount of the sealing element cannot be quantized in the manufacturing process, so that the consistency of the product is poor, and the mass production is inconvenient;

4. the detection cost of the sealing performance is high;

5. the cost of the sealing gasket in the first scheme is high; the sealant in the second scheme has long drying time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a battery box seal structure and power battery and new forms of energy vehicle.

The utility model provides a technical scheme that its technical problem adopted is:

the battery box sealing structure comprises a lower box body, an upper cover and fasteners, wherein the upper cover is connected with the lower box body through the fasteners, and a sealing adhesive layer is arranged between the upper cover and the contact part of the lower box body; be equipped with sealed slot down on the box, the upper cover is relative sealed slot is equipped with a plurality of injecting glue holes, sealed glue film pass through the injecting glue device by one the injecting glue hole is to sealed ditch inslot injection sealant formation.

The utility model provides a battery box seal structure's a preferred embodiment, the upper cover is relative sealed slot still is equipped with a plurality of glue-seeing holes, every glue-seeing hole locates adjacent two between the notes gluey hole.

In a preferred embodiment of the sealing structure of battery box of the present invention, the diameter of the glue injection hole is greater than the diameter of the glue observation hole.

In a preferred embodiment of the battery box sealing structure provided by the present invention, the lower box outer side is provided with a plurality of screw holes protruding from the lower box edge at equal intervals, and the upper cover is opposite to the screw holes provided with the fastener through holes protruding from the upper cover edge.

In a preferred embodiment of the battery box sealing structure provided by the present invention, the fastener is a screw.

In a preferred embodiment of the sealing structure of battery box provided by the present invention, the sealant is a single-component sealant.

The power battery comprises a battery box, and the battery box adopts the battery box sealing structure in any embodiment.

The new energy vehicle comprises an energy storage system, and a battery box of the energy storage system adopts the battery box sealing structure in any embodiment.

Compared with the prior art, the utility model provides a battery box seal structure's beneficial effect is: the utility model discloses a battery box seal structure has reduced the surface requirement to sealing part and has reduced the material requirement to the sealing member, has guaranteed the uniformity of product, is favorable to the process control of production, has reduced the manufacturing cost of product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic view of an assembly structure of a battery box provided by the present invention;

fig. 2 is an exploded view of the battery box provided by the present invention.

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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The present embodiment provides a battery box sealing structure, as shown in fig. 1 and fig. 2, including a lower box 10, an upper cover 30 and fasteners 40, where the upper cover 30 is connected to the lower box 10 through the fasteners 40, and a sealant layer 20 is further disposed between a contact portion of the upper cover 30 and the lower box 10, and the sealant layer is used to ensure the sealing property between the lower box and the upper cover.

Preferably, be equipped with sealed slot 102 on the box 10 down of this embodiment, sealed slot 102 locates the position that box 10 and upper cover 30 contacted down, upper cover 30 is relative sealed slot 102 is equipped with a plurality of injecting glue holes 302, and is concrete, and the injecting glue hole encircles the upper cover and is equipped with the round, and upper cover lid closes down and passes through fastener and lower box fixed connection after the box, sealed glue film 20 pass through the injecting glue device one by injecting glue hole 302 is sealed gluey formation in sealed slot 102, and the injecting glue device can adopt manual or pneumatic injecting glue machine. The sealing glue layer formed by the method of the embodiment reduces the surface requirement on parts to be sealed and the material requirement on the sealing element, ensures the consistency of products, is beneficial to the process control of production, and reduces the production cost of the products.

Preferably, in this embodiment, a plurality of screw holes 101 protruding out of the edge of the lower case are equally spaced outside the lower case 10, the upper cover 30 is provided with fastener through holes 301 protruding out of the edge of the upper cover relative to the screw holes 101, and the fasteners 40 are screws.

Preferably, the sealant of this embodiment is a single-component sealant with certain fluidity, and the sealant layer in the sealing groove is formed by utilizing the fluidity and the curing property of the sealant.

Example two

On the basis of the first embodiment, in this embodiment, a plurality of glue-viewing holes 303 are further formed in the upper cover 30 opposite to the sealing groove 102, and each glue-viewing hole 303 is formed between two adjacent glue-injecting holes 302. This embodiment sees the gluey hole through setting up between the two adjacent injecting glue holes of upper cover, through injecting glue hole toward sealed slot internal glue injection during the injecting glue, has cylindric glue to spill over until seeing gluey hole department, moves to next injecting glue hole and carries out the injecting glue operation, and is accomplished until the injecting glue.

EXAMPLE III

The embodiment provides a power battery, which comprises a battery box, wherein the battery box adopts the battery box sealing structure in the first embodiment or the second embodiment.

Example four

The embodiment provides a new energy vehicle, which comprises an energy storage system, wherein a battery box of the energy storage system adopts the battery box sealing structure in the first embodiment or the second embodiment.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a battery box seal structure, includes box, upper cover and fastener down, the upper cover through a plurality of fasteners with box connection, its characterized in that down:

a sealing adhesive layer is also arranged between the contact parts of the upper cover and the lower box body;

be equipped with sealed slot down on the box, the upper cover is relative sealed slot is equipped with a plurality of injecting glue holes, sealed glue film pass through the injecting glue device by one the injecting glue hole is to sealed ditch inslot injection sealant formation.

2. The battery box sealing structure according to claim 1, characterized in that: the upper cover is provided with a plurality of glue-checking holes corresponding to the sealing grooves, and each glue-checking hole is formed between two adjacent glue-injecting holes.

3. The battery box sealing structure according to claim 2, characterized in that: the diameter of the glue injection hole is larger than that of the glue observation hole.

4. The battery box sealing structure according to claim 1, characterized in that: the outer side of the lower box body is provided with a plurality of screw hole columns protruding out of the edge of the lower box body at equal intervals, and the upper cover is provided with fastener through holes protruding out of the edge of the upper cover relative to the screw hole columns.

5. The battery box sealing structure according to claim 4, characterized in that: the fastener adopts a screw.

6. The battery box sealing structure according to claim 1, characterized in that: the sealant adopts single-component sealant.

7. A power battery is characterized in that: the battery box sealing structure comprises a battery box, wherein the battery box adopts the battery box sealing structure as claimed in any one of claims 1 to 6.

8. A new energy vehicle is characterized in that: the battery box sealing structure comprises an energy storage system, and a battery box of the energy storage system adopts the battery box sealing structure as claimed in any one of claims 1 to 6.