CN212293410U

CN212293410U - High-temperature-resistant and adsorption-resistant diffusion film

Info

Publication number: CN212293410U
Application number: CN202020938039.9U
Authority: CN
Inventors: 常漂峰; 张俊发
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-05
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the diffusion film field, in particular to a high temperature resistant anti-adsorption diffusion film, which comprises a film body, wherein the film body comprises a substrate, a diffusion layer, a heat-resistant protective layer, an anti-static layer and an adhesive layer, the top of the substrate is fixedly connected with the diffusion layer, the heat-resistant protective layer is fixedly connected with the top of the diffusion layer, the bottom of the substrate is fixedly connected with the anti-static layer, the other side of the anti-static layer is fixedly bonded with the adhesive layer, the bottom of the adhesive layer of the film body is provided with an adhesive sheet with a clamping block, when the film body is rolled, the clamping block can be clamped between two layers of film bodies which are mutually wound together, the two layers of film bodies can be effectively prevented from being mutually bonded through the clamping block, a plurality of mutually communicated through holes and a plurality of air holes are arranged inside the clamping block, and the air holes can be communicated between the film bodies along the through holes and the air holes, the air permeability between the film bodies is increased.

Description

High-temperature-resistant and adsorption-resistant diffusion film

Technical Field

The utility model relates to a diffusion barrier field specifically is a high temperature resistant anti absorbent diffusion barrier.

Background

The diffusion film is also called as 'separating film', and is a metal film with fine porous structure, and the micropores can limit general air flow and allow diffusion flow to pass through, so that it can utilize mass difference to make isotope separation, mainly refers to that it is used in backlight light source portion of LCD module, and can provide a uniform surface light source for liquid crystal display.

Present diffusion barrier is generally that the rolling is stored on the reel, and adjacent two-layer diffusion barrier is mutually laminated after the rolling together, does not have the circulation of air between the diffusion barrier moreover, can strengthen the adsorption affinity between the diffusion barrier, and the time can lead to bonding together between the diffusion barrier, and inconvenient workman will reveal the diffusion barrier in the use, unties by force and can lead to the diffusion barrier to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant anti absorbent diffusion barrier to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-temperature-resistant adsorption-resistant diffusion film comprises a film body, wherein the film body comprises a substrate, a diffusion layer, a heat-resistant protective layer, an anti-static layer and an adhesive layer, the top of the substrate is fixedly connected with the diffusion layer, the heat-resistant protective layer is fixedly connected with the top of the diffusion layer, the bottom of the substrate is fixedly connected with the anti-static layer, and the adhesive layer is fixedly adhered to the other side of the anti-static layer; the bonding layer opposite side bonds and is fixed with the bonding piece, bonding piece bottom fixedly connected with clamp splice, a plurality of through-hole and a plurality of bleeder vent have been seted up to the clamp splice inside, the bleeder vent is located the inside intermediate position department of clamp splice, just the bleeder vent with the through-hole communicates each other, the equal fixedly connected with separation blade in both ends about the bonding piece, the diaphragm body is located two between the separation blade.

As a further aspect of the present invention: the separation blade is L-shaped structure, and the top of the separation blade is parallel to the membrane body.

As a further aspect of the present invention: the width of the baffle plate is larger than that of the film body.

As a further aspect of the present invention: the clamping block is fixedly connected to the outer walls of the left side and the right side of the clamping block, and the clamping block is located in the middle of the side wall of the clamping block.

As a further aspect of the present invention: two the separation blade top has all seted up the draw-in groove, two the fixture block is installed respectively the block joint two inside the draw-in groove.

As a further aspect of the present invention: the heat-resistant protective layer is made of a high-temperature-resistant PET film.

As a further aspect of the present invention: the length of the adhesive sheet is greater than that of the film body.

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

the utility model is provided with the bonding sheet with the clamping block at the bottom of the bonding layer of the membrane body, when the membrane body is rolled, the clamping block can be clamped between two layers of membrane bodies which are mutually rolled, the two layers of membrane bodies can be effectively prevented from being mutually bonded through the clamping block, and the clamping block is internally provided with a plurality of through holes and a plurality of air holes which are mutually communicated, through the mutual matching between the through holes and the air holes, air can circulate between the membrane bodies along the through holes and the air holes, the air permeability between the membrane bodies is increased, the adsorbability between the membrane bodies is reduced, the clamping block is made of rubber, when the membrane bodies are stressed by external pressure, the clamping block can play a role of buffering, the membrane bodies can be effectively prevented from being damaged by external force extrusion, the left and right ends of the bonding sheet are both provided with L-shaped blocking pieces, the membrane bodies are clamped between the two blocking pieces, and the two sides of the membrane bodies can be, and when the rolling, the clamp splice that is located the diaphragm body below in the outside can enter into between two separation blades of inboard diaphragm body both sides, can improve the rolling effect.

Drawings

FIG. 1 is a schematic structural diagram of a diffusion film resistant to high temperature and adsorption;

FIG. 2 is a schematic cross-sectional view of an adhesive sheet and a baffle sheet in a diffusion film with high temperature resistance and adsorption resistance;

FIG. 3 is a schematic diagram of a side view of a diffusion film with high temperature resistance and adsorption resistance;

FIG. 4 is a schematic diagram of a structure of a clamp block in a diffusion film with high temperature resistance and adsorption resistance.

In the figure: 1. a membrane body; 11. a substrate; 12. a diffusion layer; 13. a heat-resistant protective layer; 14. an antistatic layer; 15. an adhesive layer; 2. an adhesive sheet; 21. a clamping block; 211. a through hole; 212. air holes are formed; 213. a clamping block; 3. a baffle plate; 31. a clamping groove.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a high temperature resistant anti-adsorption's diffusion barrier, including the membranous body 1, the membranous body 1 includes base plate 11, diffusion layer 12, heat-resisting protective layer 13, antistatic backing 14 and adhesive linkage 15, base plate 11 top fixedly connected with diffusion layer 12, heat-resisting protective layer 13 fixed connection is at diffusion layer 12 top, base plate 11 bottom fixedly connected with antistatic backing 14, antistatic backing 14 opposite side bonding is fixed with adhesive linkage 15, adhesive linkage 15 opposite side bonding is fixed with bonding sheet 2, bonding sheet 2 bottom fixedly connected with clamp splice 21, a plurality of through-hole 211 and a plurality of bleeder vent 212 have been seted up to clamp splice 21 inside, bleeder vent 212 is located the inside intermediate position department of clamp splice 21, and bleeder vent 212 communicates with through-hole 211 each other, bonding sheet 2 controls the equal fixedly connected with separation blade 3 in both ends, membranous body 1 is located between two separation blades 3.

In fig. 1, 2 and 4: the film body 1 is formed by combining a substrate 11, a diffusion layer 12, a heat-resistant protective layer 13, an anti-static layer 14 and an adhesive layer 15, the anti-static layer 14 is positioned below the substrate 11, charged particles in the air can not damage or pollute the film body 1 through the anti-static layer 14, the diffusion layer 12 is positioned above the substrate 11, light is refracted, reflected and scattered by the diffusion layer 12 to achieve the effect of optical diffusion, the heat-resistant protective layer 13 is arranged above the diffusion layer 12, the heat-resistant protective layer 13 is made of a high-temperature-resistant PET film, the film body 1 can be effectively protected, the film body 1 can be prevented from being damaged due to high temperature, the price of the high-temperature-resistant PET film is low, the production cost of the diffusion film can be effectively reduced, the adhesive layer 15 is adhered below the anti-static layer 14, the film body 1 can be installed on an LCD module through the adhesive layer 15 when in use, the film body winding device is simple in operation and convenient for installing the film body 1, the bonding sheet 2 is bonded at the bottom of the bonding layer 15, the bonding sheet 2 can cover the bonding layer 15 and is convenient for storing the film body 1, the clamping block 21 is arranged at the bottom of the bonding sheet 2, when the film body 1 is wound, the clamping block 21 at the bottom of the bonding sheet 2 can be clamped between two layers of film bodies 1 which are wound together, the two layers of film bodies 1 can be effectively prevented from being bonded together through the clamping block 21, and a plurality of through holes 211 and a plurality of air holes 212 which are communicated with each other are arranged inside the clamping block 21, when the winding is completed and the film body is stored, the air permeability between the adjacent two layers of film bodies 1 can be increased through the mutual matching between the plurality of through holes 211 and the plurality of air holes 212, so that the air can circulate between the film bodies 1 along the through holes 211 and the air holes 212, and the adsorbability, the material of clamp splice 21 is rubber, the shrink of certain degree can be carried out to clamp splice 21, the clamp splice 21 of rubber material presss from both sides between two-layer corpus membranacea 1, corpus membranacea 1 is when receiving external pressure, clamp splice 21 can play the effect of buffering, can effectually prevent that corpus membranacea 1 from receiving the condition that external force extrusion appears the damage, can also effectually separate adjacent two-layer corpus membranacea 1, play the effect of protection to corpus membranacea 1, both ends all are provided with separation blade 3 about bonding sheet 2, two separation blades 3 press from both sides corpus membranacea 1 in the middle of, can play the protection to corpus membranacea 1's both sides through two separation blades 3, reduce the probability that corpus membranacea 1 appears damaging.

In fig. 1: the baffle plate 3 is of an L-shaped structure, the top of the baffle plate 3 is parallel to the membrane body 1, and the width of the baffle plate 3 is larger than that of the membrane body 1; the baffle 3 is of an L-shaped structure, and the width of the baffle 3 is greater than that of the film body 1, so that the top of the L-shaped baffle 3 is opened to block the film body 1 from the upper side of the film body 1, and the protection effect of the baffle 3 on the film body 1 can be improved.

In fig. 1, 3 and 4: the outer walls of the left side and the right side of the clamping block 21 are fixedly connected with fixture blocks 213, the fixture blocks 213 are located in the middle positions of the side walls of the clamping block 21, the tops of the two blocking pieces 3 are respectively provided with a clamping groove 31, and the two fixture blocks 213 are respectively clamped and installed in the two clamping grooves 31; when carrying out the rolling to the corpus fibrosum 1, the corpus fibrosum 1 can the coiling of one deck together, clamp splice 21 that lies in the corpus fibrosum 1 below in the outside can enter into between two separation blades 3 of inboard corpus fibrosum 1 both sides, two fixture blocks 213 on clamp splice 21 can enter into the draw-in groove 31 inside two separation blades 3 tops respectively this moment, draw-in groove 31 can block fixture block 213, and then with clamp splice 21's rigidity, through mutually supporting between fixture block 213 and the draw-in groove 31 during the use, can be with clamp splice 21's rigidity, can make clamp splice 21 remain the position between two separation blades 3 all the time, can improve the rolling effect.

In fig. 1: the length of the adhesive sheet 2 is greater than that of the film body 1; the length of the adhesive sheet 2 is greater than that of the film body 1, so that the two blocking pieces 3 at the left end and the right end of the adhesive sheet 2 can not contact with the left end and the right end of the film body 1 all the time, and the film body 1 can be protected.

The utility model discloses a theory of operation is: the film bodies 1 can be wound together layer by layer during winding, the clamping block 21 positioned below the film body 1 on the outer side can enter between the two blocking pieces 3 on the two sides of the film body 1 on the inner side, at the moment, the two clamping blocks 213 on the clamping block 21 can respectively enter into the clamping grooves 31 on the tops of the two blocking pieces 3, the clamping block 21 can be fixed in position through the mutual matching between the clamping block 213 and the clamping groove 31, the clamping block 21 is always kept in the position between the two blocking pieces 3, the winding effect can be improved, after the winding is finished, the clamping block 21 can be clamped between the two adjacent film bodies 1, the clamping block 21 can separate the two film bodies 1, and through the mutual matching between the plurality of through holes 211 and the plurality of vent holes 212 which are mutually communicated in the clamping block 21, the air can be enabled to circulate between the film bodies 1 along the through holes 211 and the vent holes 212, the air permeability between the film bodies 1 is increased, and the adsorbability between the film bodies 1 is, thereby being convenient for uncovering the film body 1 in the subsequent use.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-temperature-resistant adsorption-resistant diffusion film is characterized by comprising a film body (1), wherein the film body (1) comprises a substrate (11), a diffusion layer (12), a heat-resistant protective layer (13), an anti-static layer (14) and an adhesive layer (15), the diffusion layer (12) is fixedly connected to the top of the substrate (11), the heat-resistant protective layer (13) is fixedly connected to the top of the diffusion layer (12), the anti-static layer (14) is fixedly connected to the bottom of the substrate (11), and the adhesive layer (15) is fixedly bonded to the other side of the anti-static layer (14);

adhesive linkage (15) opposite side bonding is fixed with bonding piece (2), bonding piece (2) bottom fixedly connected with clamp splice (21), a plurality of through-hole (211) and a plurality of bleeder vent (212) have been seted up to clamp splice (21) inside, bleeder vent (212) are located the inside intermediate position department of clamp splice (21), just bleeder vent (212) with through-hole (211) communicate each other, equal fixedly connected with separation blade (3) in both ends about bonding piece (2), the diaphragm body (1) is located two between separation blade (3).

2. The high temperature and adsorption resistant diffusion membrane of claim 1, wherein the baffle plate (3) is of an L-shaped structure, and the top of the baffle plate (3) is parallel to the membrane body (1).

3. A diffusion membrane resistant to high temperature and adsorption according to claim 1, characterized in that the width of the baffle plate (3) is greater than the width of the membrane body (1).

4. The high temperature and adsorption resistant diffusion membrane of claim 1, wherein the fixture blocks (213) are fixedly connected to the outer walls of the left and right sides of the fixture block (21), and the fixture blocks (213) are located at the middle positions of the side walls of the fixture block (21).

5. The high temperature resistant and adsorption resistant diffusion membrane of claim 4, wherein the top of each of the two blocking sheets (3) is provided with a slot (31), and the two blocks (213) are respectively snap-fitted inside the two slots (31).

6. The high-temperature-resistant and adsorption-resistant diffusion film as claimed in claim 1, wherein the heat-resistant protective layer (13) is made of a high-temperature-resistant PET film.

7. A diffusion membrane resistant to high temperature and adsorption according to claim 1, characterized in that the length of the adhesive sheet (2) is greater than the length of the membrane body (1).