CN218215570U

CN218215570U - Two-seal small cover with radial seal structure

Info

Publication number: CN218215570U
Application number: CN202221994671.0U
Authority: CN
Inventors: 陆庆友; 刘长来; 夏诗忠; 孙光忠; 王亚楠; 解正安
Original assignee: Camel Group New Energy Battery Co Ltd
Current assignee: Camel Group New Energy Battery Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-03
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to a battery package upper cover technical field discloses a two little lids with radial seal structure, two little lids include that upper cover, axial set up a lid section of thick bamboo of upper cover below, lid section of thick bamboo side is provided with a plurality of annular grooves, can dismantle the embedding in the annular groove has the sealing washer, the even axial of lid section of thick bamboo bottom is provided with a plurality of buckles, the lateral surface of buckle is convex, the buckle includes elasticity extension and bellying, the outside of bellying sets up to the chamfer, the chamfer is close to one side of elasticity extension is to keeping away from the thickness of one side of elasticity extension reduces gradually, two little lids wholly are metal or plastics material, the sealing washer is the rubber material. The utility model has the advantages of it is following and effect: the battery pack two-seal small cover has the advantages of sealing performance, compatibility and capability of being assembled quickly, the sealing reliability of the upper cover and the compatibility of products are improved, the development period and the cost of the products are reduced, and the assembly efficiency is improved.

Description

Two-seal small cover with radial seal structure

Technical Field

The utility model relates to a battery package upper cover technical field, in particular to two little lids with radial seal structure.

Background

The lithium ion power battery is widely applied to the field of new energy pure electric vehicles and hybrid new energy vehicles, and with the maturity of the technology, the simplification of the process and the light weight requirement of market products, new requirements on the installation performance and the sealing performance of the upper cover are provided. The utility model provides a two little lids that have radial seal structure, can effectively guarantee the sealing performance of upper cover, can compatible the user demand of different products again, the kind of reducible spare part simultaneously reduces product development cycle and expense, improves assembly efficiency.

Disclosure of Invention

The utility model aims at providing a two little lids with radial seal structure has two little lids of battery package that leakproofness, compatibility, rapid Assembly, improves the reliability that the upper cover is sealed and the compatibility of product, reduces product development cycle and expense, improves assembly efficiency's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a two little lids with radial seal structure, two little lids include that lid, axial set up a lid section of thick bamboo of lid below, lid section of thick bamboo side is provided with a plurality of annular grooves, the embedding can be dismantled in the annular groove has the sealing washer, the even axial of lid bobbin base portion is provided with a plurality of buckles, the lateral surface of buckle is convex, the buckle includes elasticity extension and bellying, the outside of bellying sets up to the chamfer, the chamfer is close to one side of elasticity extension is kept away from the thickness of one side of elasticity extension reduces gradually, two little lids whole with the sealing washer is the plastics material.

By adopting the technical scheme, after the upper cover and the lower box body of the battery pack are connected and sealed, the upper cover is also provided with two holes, the bolts for outputting the positive and negative electrodes of the module are screwed down from the holes, and then the two holes are blocked by the two small sealing covers. A sealing ring is integrated on the two small sealing covers, and the sealing ring is made of rubber; an annular groove is formed in the cover cylinder of the two small sealing covers; the sealing rings are placed in the annular grooves, the sealing rings on the two small sealing covers can be tightly attached to the contact surfaces of the two small sealing covers and the box body mounting hole under the radial acting force, the sealing performance is ensured, and meanwhile, the sealing reliability can be effectively improved by adopting a plurality of layers of sealing rings; steps are arranged at two ends of the box body mounting hole; the bottom of the two small sealing covers is provided with a buckle, the two small sealing covers can be clamped and fixed with the step on the mounting hole of the upper cover, and the two small sealing covers can be quickly assembled and effectively clamped and fixed with the mounting hole of the box body.

The utility model discloses a further set up to: the buckle sets up to 4, 4 the buckle is followed lid section of thick bamboo bottom circumference evenly distributed.

The utility model discloses a further set up to: the chamfer angle of the convex part is set to be 15-60 degrees.

Through adopting above-mentioned technical scheme, the buckle of interval distribution's circular arc type makes buckle elasticity higher, and the chamfer makes the buckle change the installation.

The utility model discloses a further set up to: the method is characterized in that: the length of the elastic extension part is 3-20mm, and the length of the bulge protruding out of the elastic extension part is 0.5-10 mm.

The utility model discloses a further set up to: the number of the grooves is set to be 1-5.

The utility model discloses a further set up to: the upper side face and the lower side face of the groove are inclined faces, and the distance between the upper side face and the lower side face of the groove is gradually increased from the inside to the outside of the groove.

The utility model discloses a further set up to: the included angle formed between the upper side surface and the lower side surface of the groove is 0.5-30 degrees.

Through adopting above-mentioned technical scheme, the design of recess draft angle makes the sealing washer change and places.

The utility model has the advantages that:

1. the utility model discloses a different products installation upper cover leakproofness requirement has improved the installation effectiveness of product, makes different products use two little lids of same kind, reduces the material kind of different products, reduces product development cycle and expense.

2. The utility model discloses have leakproofness, compatibility, but rapid Assembly's two little lids of battery package, improve the reliability that the upper cover is sealed and the compatibility of product, reduce product development cycle and expense, improve assembly efficiency.

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 will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a schematic view of the structure of the two small covers of the present invention.

Fig. 2 is a schematic view of the structure of the two small covers of the present invention.

Fig. 3 is a schematic view of the structure of the two small covers of the present invention.

In the figure, 1, two small covers; 11. a cover body; 12. a cover cylinder; 2. a groove; 3. a seal ring; 4. buckling; 41. an elastically extensible portion; 42. a boss portion; 5. and (7) covering.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In an embodiment, a two-piece small cap with a radial sealing structure is disclosed, as shown in fig. 1, fig. 2 and fig. 3, the two-piece small cap 1 with a radial sealing structure comprises a cap body 11 and a cap cylinder 12 axially arranged below the cap body 11, a plurality of annular grooves 2 are arranged on the side surface of the cap cylinder 12, sealing rings 3 are detachably embedded in the annular grooves 2, a plurality of buckles 4 are uniformly and axially arranged at the bottom of the cap cylinder 12, the outer side surfaces of the buckles 4 are arc-shaped, each buckle 4 comprises an elastic extension portion 41 and a protruding portion 42, the outer side of each protruding portion 42 is provided with a chamfer, the thickness of one side of each chamfer close to the elastic extension portion 41 is gradually reduced towards the side far away from the elastic extension portion 41, and the whole two-piece small cap 1 and the sealing rings 3 are made of plastic materials; the groove 2 of the two small sealing covers 1 is used for placing the sealing ring 3, the sealing ring 3 can be effectively attached to the contact surfaces of the two small sealing covers 1 and the upper cover 5 under the radial acting force, the sealing performance is ensured, and meanwhile, the sealing reliability can be effectively improved by adopting a plurality of layers of sealing rings 3; the design of buckle 4 of two little lids 1 bottoms can guarantee that two 1 chucking of little lid are inside upper cover 5, avoid the vehicle driving in-process to cause two not hard up of little lid 1, and buckle 4 is 4 identical circular arc designs for buckle 4's elasticity is higher, and there is the chamfer bottom, makes the installation convenient rapidly, can improve the installation effectiveness. Mounting of the two small covers 1: need not the instrument, directly install two small cover 1 in the hole site that upper cover 5 corresponds with the hand, slowly impel with the hand, because the design of buckle 4 chamfer for two small cover 1 are changeed the installation, progressively increase power, make buckle 4 chucking bellying 42 above the upper cover 5. Because two small covers 1 have high compatibility and the convenience of installation, the upper cover 5 of different products can all adopt, and the upper cover 5 designs the round hole of the same size can, can reduce product development cycle and expense.

The two small sealing covers 1 are made of plastic, the diameter of the upper cover 5 is 4mm-100mm, the length of the cover cylinder 12 is 10mm-200mm, the depth of the groove 2 is 0.8mm-12mm, the inner diameter of the groove 2 is 3.4mm-95mm, the draft angle at two sides of the groove 2 is 0.5-30 degrees, and the number of the grooves 2 can be set to be 1-5;

the material of the sealing ring 3 is ethylene propylene diene monomer, the inner diameter of the O-shaped sealing ring 3 is 3 mm-95mm, the section diameter is 1.8mm-7mm, and the number of the sealing rings 3 is 1-5;

the two-piece small cover 1 is provided with a buckle 4 at the bottom, a boss 42 of the buckle 4 protrudes out of the elastic extension piece, the length of the outer side of the elastic extension piece is 0.5mm-10mm, the length of the elastic extension part 41 is 3-20mm, the buckle 4 is a circular arc with 4 parts completely the same, the circular arcs are uniformly distributed along the circumference, the bottom of the buckle 4 is chamfered by 15-60 degrees, the circular arc buckles 4 distributed at intervals enable the buckle 4 to be higher in elasticity, and the chamfer enables the buckle 4 to be installed more easily.

The two small sealing covers 1 are made of plastic materials, and other materials can be selected according to different materials of the upper cover 5.

The groove 2 of the two small sealing covers 1 is used for placing the sealing ring 3, and the size can be adjusted according to the size of the sealing ring 3.

The sealing rings 3 of the two small covers 1 can be effectively attached to the contact surfaces of the two small covers 1 and the upper cover 5, the sealing performance is guaranteed, meanwhile, the sealing reliability can be effectively improved by adopting the multiple layers of sealing rings 3, and the sealing rings 3 with different sizes and quantities can be selected according to actual application conditions.

The design of buckle 4 of two little lids 1 bottoms can guarantee that two 1 chucking of little lid are inside upper cover 5, avoid the vehicle driving in-process to cause two not hard up of little lid 1, and buckle 4 is 4 identical circular arc designs for buckle 4's elasticity is higher, and there is the chamfer bottom, makes the installation convenient rapidly, can improve the installation effectiveness.

A two-seal small cap with a radial seal structure is disclosed, wherein a two-seal small cap 1 is made of plastic, a seal ring 3 is made of ethylene propylene diene monomer, a groove 2 of the two-seal small cap 1 is used for placing the seal ring 3, and the seal ring 3 is easier to place due to the design of the pattern drawing angle of the groove 2; the sealing ring 3 of the two small sealing covers 1 can be effectively attached to the contact surfaces of the two small sealing covers 1 and the upper cover 5 under the radial acting force, so that the sealing performance is ensured, and meanwhile, the sealing reliability can be effectively improved by adopting a plurality of layers of sealing rings 3; the design of the buckles 4 at the bottom of the two small covers 1 can ensure that the two small covers 1 are clamped in the upper cover 5, so that the looseness of the two small covers 1 in the driving process of a vehicle is avoided, the buckles 4 are designed into 4 completely identical circular arcs, the elasticity of the buckles 4 is higher, chamfers are designed at the bottom, the installation is convenient and rapid, and the installation efficiency can be improved; the two small covers 1 have high compatibility and installation convenience, and the two small covers 1 can be adopted when the upper covers 5 of different products are opened with the same aperture, so that the product development period and cost can be reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A two little lids with radial seal structure which characterized in that: two little lids (1) are in including lid (11), axial setting lid section of thick bamboo (12) of lid (11) below, lid section of thick bamboo (12) side is provided with a plurality of annular grooves (2), can dismantle in annular groove (2) and embed sealing washer (3), the even axial of lid section of thick bamboo (12) bottom is provided with a plurality of buckles (4), the lateral surface of buckle (4) is arc, buckle (4) include elasticity extension (41) and bellying (42), the outside of bellying (42) sets up to the chamfer, the chamfer is close to one side of elasticity extension (41) is to keeping away from the thickness of one side of elasticity extension (41) reduces gradually, sealing washer (3) are the rubber material.

2. A double closure with a radial seal according to claim 1, wherein: the number of the buckles (4) is 4, and the buckles (4) are evenly distributed along the circumference of the bottom of the cover cylinder (12).

3. A double closure with a radial seal according to claim 1, wherein: the chamfer angle of the convex part (42) is set to be 15-60 degrees.

4. A double closure with a radial seal according to claim 1, wherein: the length of the elastic extension part (41) is 3-20mm, and the length of the bulge part (42) protruding out of the elastic extension part is 0.5-10 mm.

5. A double closure with a radial seal according to claim 1, wherein: the number of the grooves (2) is set to be 1-5.

6. A double closure with a radial seal according to claim 1, wherein: the upper side face and the lower side face of the groove (2) are inclined faces, and the distance between the upper side face and the lower side face of the groove (2) is gradually increased from the inside to the outside of the groove (2).

7. A double closure with a radial seal according to claim 6, wherein: the included angle formed between the upper side surface and the lower side surface of the groove (2) is 0.5-30 degrees.