CN215397525U

CN215397525U - Multilayer composite isolating membrane convenient to combine

Info

Publication number: CN215397525U
Application number: CN202121670383.5U
Authority: CN
Inventors: 刘佳泰
Original assignee: Hubei Chuanhai Xinxing Material Co ltd
Current assignee: Hubei Chuanhai Xinxing Material Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-04
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a multilayer composite isolating membrane convenient to combine, which comprises a waterproof coating, wherein the upper end inside the waterproof coating is provided with a smooth layer; a base layer main body disposed at a lower end bottom of the smoothing layer; the combined mechanism is arranged at the bottom of the lower end of the base layer main body; the combination mechanism includes: and the nano frosting layer is arranged at the bottom of the lower end of the base layer main body. This multilayer formula composite barrier film convenient to combination, nanometer dull polish layer is in the superiors of combination mechanism, utilize its inside unevenness, make nanometer dull polish layer when by the pressfitting, can closely laminate with the basic unit main part of upper end, it fixes the inside of basic unit main part to extrude the gomphosis of department of jutting even, guarantee the wholeness of whole composite barrier film, it is in the lower floor of combination mechanism to glue the layer, the most inboard department of whole barrier film promptly, when installing the barrier film, can make to glue layer and combination department and laminate, utilize self gluing nature, guarantee the stability of installing.

Description

Multilayer composite isolating membrane convenient to combine

Technical Field

The utility model relates to the technical field of composite isolation films, in particular to a multilayer composite isolation film convenient to combine.

Background

The current isolating membrane is a microporous and porous membrane, is mainly made of PP and PE, can be arranged between a positive electrode and a negative electrode in a battery core and at a mould and an adhesive absorption layer, and is an auxiliary material for isolating in composite material forming.

Multilayer formula composite barrier film on market mainly makes through simple PP, PE material, can only pray for simple isolated action, when making composite barrier film up, takes place the condition that drops easily, leads to the position of barrier film to take place the deviation, influences composite barrier film's normal use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer composite isolating membrane convenient to combine, and the multilayer composite isolating membrane provided by the background art on the market is mainly made of simple PP and PE materials, can only pray for simple isolation effect, and is easy to fall off when the composite isolating membrane is combined, so that the position of the isolating membrane is deviated, and the normal use of the composite isolating membrane is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a multilayer composite separator film for ease of assembly, comprising:

the upper end of the inside of the waterproof coating is provided with a smooth layer;

a base layer main body disposed at a lower end bottom of the smoothing layer;

the combined mechanism is arranged at the bottom of the lower end of the base layer main body;

the combination mechanism includes:

and the nano frosting layer is arranged at the bottom of the lower end of the base layer main body.

Preferably, the nanometer frosting layer and the combination mechanism are attached to each other, and the nanometer frosting layer and the combination mechanism form a fixed structure.

Preferably, the waterproof coating and the smooth layer form a wrapping structure, and the waterproof coating and the smooth layer form a fixing structure.

Preferably, the base layer main body includes:

a polyethylene layer disposed at the bottom of the lower end of the smoothing layer;

and the polypropylene layer is arranged at the middle end of the inner wall of the polyethylene layer.

Preferably, the polyethylene layer is distributed symmetrically along the central axis of the polypropylene layer, and the polyethylene layer is provided with two groups.

Preferably, the combination mechanism further includes:

the buffer layer is arranged at the bottom of the lower end of the nano frosting layer;

and the sticky layer is arranged at the bottom of the lower end of the buffer layer.

Preferably, the buffer layer and the sticky layer are attached to each other in a parallel manner, and the buffer layer and the sticky layer form a fixed structure.

Compared with the prior art, the utility model has the beneficial effects that: this multilayer formula composite barrier film convenient to combination adopts a plurality of combination retes to come the pressfitting and forms to polyethylene layer and polypropylene layer are provided with the smoothness nature on surface as the basic unit in the outside as the basic unit, avoid dispersing the sticky condition of being stained with of surface, and are provided with in the inboard and have sticky layer of being stained with, are responsible for fixing with combination department, guarantee the fixed of whole composite barrier film.

1. According to the utility model, the waterproof coating film is positioned on the outermost side of the whole isolation membrane and uniformly covers the outer side of the coating to treat the isolation membrane from the outside, so that the whole composite isolation layer has good waterproofness, the phenomenon that the whole composite isolation membrane is affected by water penetration during combination is avoided, the polyethylene layer and the polypropylene layer are both used as main basic coatings of the whole composite isolation membrane, the polyethylene layer has excellent low-temperature resistance and can play a good role in protection when positioned on the outer side, the polypropylene layer has chemical resistance, heat resistance, electric insulation, high-strength mechanical property and good high-wear-resistance processing property, and the strength and the service life of the whole composite isolation membrane can be well ensured by placing the polypropylene layer on the inner side.

2. According to the utility model, the nano frosting layer is positioned on the uppermost layer of the combination mechanism, and the nano frosting layer can be tightly attached to the base layer main body at the upper end when being pressed by utilizing the unevenness inside the nano frosting layer, even the bulge part is embedded and extruded inside the base layer main body to be fixed, so that the integrity of the whole composite isolation membrane is ensured, the sticky layer is positioned on the lowermost layer of the combination mechanism, namely the innermost side of the whole isolation membrane, when the isolation membrane is installed, the sticky layer is attached to the combination part, and the installation stability is ensured by utilizing the self stickiness.

Drawings

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

FIG. 2 is a schematic view of the internal cross-section of the present invention;

FIG. 3 is a schematic view of the internal structure of the combination mechanism of the present invention.

In the figure: 1. waterproof coating; 2. a smoothing layer; 3. a base layer main body; 301. a polypropylene layer; 302. a polyethylene layer; 4. a combination mechanism; 401. a nano-frosting layer; 402. a buffer layer; 403. a sticky layer.

Detailed Description

As shown in fig. 1-2, the present invention provides a technical solution: a multilayer composite separator film for ease of assembly, comprising: the waterproof coating comprises a waterproof coating 1, wherein a smooth layer 2 is arranged at the upper end inside the waterproof coating 1; the waterproof coating 1 and the smooth layer 2 form a wrapping structure, the waterproof coating 1 and the smooth layer 2 form a fixing structure, the waterproof coating 1 is located on the outermost side of the whole isolation membrane and evenly covers the outer side of the coating to treat the isolation membrane from the outside, the whole composite isolation layer has good waterproofness, the phenomenon that the whole composite isolation membrane is affected by water penetration during combination is avoided, and the base layer main body 3 is arranged at the bottom of the lower end of the smooth layer 2; the base layer main body 3 includes: a polyethylene layer 302 provided on the lower end bottom of the smoothing layer 2; polypropylene layer 301, it sets up in the inner wall middle-end on polyethylene layer 302, polyethylene layer 302 is the symmetry form along polypropylene layer 301's axis department and distributes, and polyethylene layer 302 is provided with two sets ofly, polyethylene layer 302 and polypropylene layer 301 all regard as the main foundation coating of whole compound barrier film, its polyethylene layer 302 has good low temperature resistance performance, it can play fine protectiveness to be in the outside, and polypropylene layer 301 has chemical resistance, the heat resistance, electric insulation, high strength mechanical properties and good high wear resistance processing property, the inboard of placing polypropylene layer 301, the intensity of guaranteeing whole compound barrier film that can be fine, and life.

As shown in fig. 3, the present invention provides a technical solution: a multilayer composite isolating membrane convenient to combine, a combining mechanism 4 is arranged at the bottom of the lower end of a base layer main body 3; the combining mechanism 4 includes: nanometer dull polish layer 401, it sets up in the lower extreme bottom of basic unit's main part 3, laminate mutually between nanometer dull polish layer 401 and the combined mechanism 4, and nanometer dull polish layer 401 and combined mechanism 4 constitute fixed knot and construct, nanometer dull polish layer 401 is in the superiors of combined mechanism 4, utilize its inside unevenness, make nanometer dull polish layer 401 when by the pressfitting, can closely laminate with basic unit's main part 3 of upper end, even fix protruding department gomphosis extrusion in the inside of basic unit's main part 3, guarantee the wholeness of whole compound barrier film, combined mechanism 4 still includes: a buffer layer 402 disposed at the bottom of the lower end of the nano-sanding layer 401; sticky layer 403, it sets up in the lower extreme bottom of buffer layer 402, and buffer layer 402 and sticky layer 403 are the parallel form and laminate each other, and buffer layer 402 and sticky layer 403 constitute fixed knot and construct, and sticky layer 403 is located the lower floor at combination mechanism 4, and the innermost department of whole barrier film promptly, when installing the barrier film, can make sticky layer 403 and combination department laminate, utilizes the sticky nature of gluing of self, guarantees the stability of installation.

In conclusion, when the multilayer composite isolating membrane convenient to combine is used, firstly, an operator takes out the rolled composite isolating membrane, uncovers the isolating membrane, and then attaches and fixes the adhesive layer 403 at the inner side of the composite isolating membrane layer, namely the adhesive layer 403, so as to ensure the stability of the installation of the whole composite isolating membrane and the long-term stability during the attachment, the outer part of the whole composite isolating membrane is wrapped by the waterproof coating film 1 and uniformly covers the outer side of the coating to treat the isolating membrane from the outside, so that the whole composite isolating membrane has good waterproofness, the condition of water penetration during the combination is avoided, the installation of the whole composite isolating membrane is influenced, the nanometer frosted layer 401 at the lower end part of the middle side can be tightly attached to the base layer body 3 at the upper end during the pressing, even the bulge is embedded and extruded and fixed in the base layer body 3, the integrity of the whole composite isolation membrane is ensured, and the convenience and stability of the combination of the whole composite isolation membrane are improved.

Claims

1. A multilayer composite separator film for ease of assembly, comprising:

the waterproof coating comprises a waterproof coating (1), wherein a smooth layer (2) is arranged at the upper end inside the waterproof coating (1);

a base layer main body (3) provided at the lower end bottom of the smoothing layer (2);

a combination mechanism (4) arranged at the bottom of the lower end of the base layer main body (3);

the combining mechanism (4) comprises:

and the nano frosting layer (401) is arranged at the bottom of the lower end of the base layer main body (3).

2. A multilayer composite insulation film for ease of assembly according to claim 1, wherein: the nanometer frosting layer (401) and the combination mechanism (4) are attached to each other, and the nanometer frosting layer (401) and the combination mechanism (4) form a fixed structure.

3. A multilayer composite insulation film for ease of assembly according to claim 1, wherein: the waterproof coating (1) and the smooth layer (2) form a wrapping structure, and the waterproof coating (1) and the smooth layer (2) form a fixing structure.

4. A multilayer composite insulation film for ease of assembly according to claim 1, wherein: the base layer body (3) includes:

a polyethylene layer (302) disposed at the lower end bottom of the smoothing layer (2);

a polypropylene layer (301) disposed at the inner wall middle end of the polyethylene layer (302).

5. A multilayer composite insulation film for ease of assembly according to claim 4, wherein: polyethylene layer (302) are along the axis department of polypropylene layer (301) and are the symmetric form and distribute, and polyethylene layer (302) are provided with two sets ofly.

6. A multilayer composite insulation film for ease of assembly according to claim 1, wherein: the combining mechanism (4) further comprises:

a buffer layer (402) arranged at the bottom of the lower end of the nano frosting layer (401);

and the adhesive layer (403) is arranged at the bottom of the lower end of the buffer layer (402).

7. A multilayer composite insulation film for ease of assembly according to claim 6, wherein: buffer layer (402) and gluing layer (403) are parallel and are laminated each other, and buffer layer (402) and gluing layer (403) constitute fixed knot and construct.