Foam gum concave waterproof pasting structure

By introducing extension blocks and elastic sleeves into the waterproof adhesive structure of the foam backing, the problem of the protective film being difficult to remove is solved, the waterproof effect and bonding stability are improved, and the abrasion resistance of the foam body is enhanced.

CN224030918UActive Publication Date: 2026-03-24HUIZHOU LINGSHANG ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing foam adhesive-backed waterproof bonding structures, the protective film is difficult to peel off easily, affecting its use.

Method used

A foam adhesive-backed concave waterproof bonding structure was designed, comprising a lower adhesive layer, an upper adhesive layer, a lower protective film, an upper protective film, an extension block, and an elastic sleeve. The combination of the extension block and the elastic sleeve facilitates the removal of the protective film, and the addition of a high-temperature resistant layer, a waterproof film, and a wear-resistant coating improves the waterproof effect and bonding stability.

Benefits of technology

It enables easy removal of the protective film, improves the waterproof performance and bonding stability of the adhesive structure, prevents the protective film from accidentally falling off and water from seeping in, and enhances the abrasion resistance of the foam body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of foam gum, and discloses a foam gum concave waterproof pasting structure which comprises a lower adhesive layer, a foam body is arranged at the top end of the lower adhesive layer, an upper adhesive layer is arranged at the top end of the foam body, and a lower protective film is arranged at the bottom end of the foam body. According to the foam back glue concave waterproof pasting structure, the lower protective film, the extension blocks, the upper protective film and the elastic sleeve are arranged, the extension blocks are fixedly connected to the left sides and the right sides of the lower protective film and the upper protective film, and the lower protective film and the upper protective film can be conveniently pulled open from the surfaces of the lower glue layer and the upper glue layer through the extension blocks; therefore, the lower protective film and the upper protective film can be detached conveniently, the foam body is installed at a proper position through the lower adhesive layer and the upper adhesive layer, the elastic sleeve can limit the extending block, the situation that the bonding performance of the lower adhesive layer and the upper adhesive layer is affected due to accidental falling of the lower protective film and the upper protective film caused by edge warping of the extending block is prevented, and the problems that the protective films are not convenient to pull open, and the bonding performance is affected are solved. And the use is easily influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of foam back adhesive technology field, specifically a kind of foam back adhesive concave waterproof sticking structure. BACKGROUND

[0002] Foam back adhesive is a kind of material widely used in multiple industries, mainly used for product packaging and protection, and foam back adhesive is a commonly used adhesive, which is composed of foam material and adhesive, and can firmly bond various materials. Foam back adhesive concave waterproof refers to the waterproof function of foam back adhesive, which can be used in recessed place without being affected by moisture.

[0003] There are still some problems with a common foam back adhesive concave waterproof sticking structure, for example; when using the sticking structure, the protective film needs to be pulled open to allow the adhesive layer to leak out, but the protective film is adhered to the adhesive layer, which is not convenient to pull open the protective film and may affect use.

[0004] Therefore, we propose a foam back adhesive concave waterproof sticking structure to improve the above problems. INVENTION CONTENTS

[0005] The utility model aims to provide a kind of foam back adhesive concave waterproof sticking structure to solve the problem of not being convenient to pull open the protective film and affecting use in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of foam back adhesive concave waterproof sticking structure, including lower adhesive layer, the top of the lower adhesive layer is provided with foam main body, the top of the foam main body is provided with upper adhesive layer, the bottom of the foam main body is provided with lower protective film, the top of the upper adhesive layer is provided with upper protective film, the left and right sides of the lower protective film and upper protective film are respectively fixedly connected with extension block, the outside of the lower protective film and upper protective film is provided with elastic sleeve.

[0007] As a further technical scheme of the utility model, the elastic sleeve is elastically mounted outside the extension block, and the elastic sleeve limits the extension block.

[0008] As a further technical scheme of the utility model, the top of the inside of the lower adhesive layer is provided with a groove, and the lower adhesive layer and the upper adhesive layer are respectively bonded to the upper and lower ends of the foam main body.

[0009] As a further technical scheme of the utility model, the outside of the lower adhesive layer is coated with a waterproof coating, the outside of the waterproof coating is coated with a wear-resistant coating, and the waterproof coating and the wear-resistant coating are coated inside the groove.

[0010] As a further technical scheme of the utility model, one end of the lower protective film and the upper protective film close to the outside is respectively provided with a waterproof film fixedly connected, and the outside of the waterproof film is coated with a high-temperature-resistant layer.

[0011] As a further technical scheme of the utility model, the thickness of the high-temperature-resistant layer and the waterproof film is same, and the high-temperature-resistant layer and the waterproof film cooperate with each other.

[0012] As a further technical scheme of the utility model, the lower adhesive layer and the upper adhesive layer are respectively provided with anti-skid particles.

[0013] As a further technical scheme of the utility model, the anti-skid particles are provided in several groups, and the anti-skid particles are arranged at equal intervals on the lower adhesive layer and the upper adhesive layer.

[0014] Compared with the prior art, the utility model has the beneficial effects that the foam back adhesive concave waterproof sticking structure not only realizes the waterproof effect of being convenient to pull the protective film apart, improves the waterproof effect, but also increases the stability of adhesion.

[0015] The extension block is fixedly connected to the left and right sides of the lower protective film and the upper protective film, the extension block can conveniently pull the lower protective film and the upper protective film apart from the surfaces of the lower adhesive layer and the upper adhesive layer, thereby conveniently dismounting the lower protective film and the upper protective film, the foam main body is installed at a suitable position through the lower adhesive layer and the upper adhesive layer, the elastic sleeve can limit the extension block, prevents the extension block from being warped to cause the lower protective film and the upper protective film to accidentally fall off, and affects the adhesive properties of the lower adhesive layer and the upper adhesive layer.

[0016] The high-temperature-resistant layer, the waterproof film, the waterproof coating and the wear-resistant coating are arranged, the high-temperature-resistant layer and the waterproof film not only can protect the lower protective film and the upper protective film, prevent the lower protective film and the upper protective film from accidentally breaking to affect use, but also can prevent water from penetrating into the foam main body through the lower protective film and the upper protective film to affect the use of the foam main body, and the waterproof coating and the wear-resistant coating can protect the foam main body around.

[0017] The lower adhesive layer, the upper adhesive layer and the anti-skid particles are arranged, the lower adhesive layer and the upper adhesive layer can conveniently install and fix the foam main body at a suitable position, the anti-skid particles on the lower adhesive layer and the upper adhesive layer can increase the friction resistance of the foam main body and the installation position, and prevent the foam main body from accidentally falling off to affect use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view cross section structure schematic view of the utility model;

[0019] Figure 2 It is the top view structure schematic view of the utility model;

[0020] Figure 3 It is the upper adhesive layer top view structure schematic view of the utility model;

[0021] Figure 4It is the upper protective film front view partial section enlarged structure schematic view of the utility model.

[0022] Figure 5 It is the upper protective film front view partial section enlarged structure schematic view of the utility model.

[0023] In the figure: 1, the foam main body; 2, lower glue layer; 3, lower protective film; 4, extension block; 5, upper protective film; 6, upper glue layer; 7, elastic sleeve; 8, anti-skid particle; 9, high-temperature-resistant layer; 10, waterproof film; 11, waterproof coating; 12, wear-resistant coating. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-5 , the utility model provides an embodiment; a kind of foam back adhesive concave waterproof paste structure, including lower glue layer 2, the top of lower glue layer 2 is provided with foam main body 1, the top of foam main body 1 is provided with upper glue layer 6, the bottom of foam main body 1 is provided with lower protective film 3, the top of upper glue layer 6 is provided with upper protective film 5, the left and right sides of lower protective film 3 and upper protective film 5 are respectively fixedly connected with extension block 4, and the outside of lower protective film 3 and upper protective film 5 is provided with elastic sleeve 7;

[0026] Elastic sleeve 7 is elastically mounted on the outside of extension block 4, and elastic sleeve 7 limits extension block 4, the top of the inside of lower glue layer 2 is provided with recess, and lower glue layer 2 and upper glue layer 6 are respectively bonded on the upper and lower ends of foam main body 1;

[0027] Specifically, as Figure 1 And Figure 2 Indicated, the left and right sides of lower protective film 3 and upper protective film 5 are fixedly connected with extension block 4, extension block 4 can conveniently pull lower protective film 3 and upper protective film 5 apart from the surface of lower glue layer 2 and upper glue layer 6, so as to conveniently disassemble lower protective film 3 and upper protective film 5, make foam main body 1 be installed at suitable position by lower glue layer 2 and upper glue layer 6, and elastic sleeve 7 can limit extension block 4, prevent extension block 4 from being warped and cause lower protective film 3 and upper protective film 5 to accidentally fall off, affect the paste performance of lower glue layer 2 and upper glue layer 6.

[0028] The waterproof coating 11 is coated outside the lower glue layer 2, the wear-resistant coating 12 is coated outside the waterproof coating 11, the waterproof coating 11 and the wear-resistant coating 12 are coated inside the groove, the lower protective film 3 and the upper protective film 5 are respectively provided with the waterproof film 10 fixedly connected at one end close to the outside, the waterproof film 10 is coated with the high-temperature-resistant layer 9 outside, the high-temperature-resistant layer 9 and the waterproof film 10 have the same thickness, and the high-temperature-resistant layer 9 and the waterproof film 10 cooperate with each other;

[0029] Specifically, as shown in Figure 1 、 Figure 4 and Figure 5 , the high-temperature-resistant layer 9 and the waterproof film 10 not only can protect the lower protective film 3 and the upper protective film 5 from accidental breakage to affect use, but also can prevent water from penetrating into the inside of the foam main body 1 through the lower protective film 3 and the upper protective film 5 to affect use of the foam main body 1, and the waterproof coating 11 and the wear-resistant coating 12 can protect the four sides of the foam main body 1.

[0030] The lower glue layer 2 and the upper glue layer 6 are respectively provided with anti-skid particles 8, the anti-skid particles 8 are arranged in several groups and are equidistantly arranged on the lower glue layer 2 and the upper glue layer 6;

[0031] Specifically, as shown in Figure 3 , the lower glue layer 2 and the upper glue layer 6 can facilitate installation and fixation of the foam main body 1 at a suitable position, and the anti-skid particles 8 on the lower glue layer 2 and the upper glue layer 6 can increase the friction resistance of the foam main body 1 at the installation position, thereby preventing accidental falling of the foam main body 1 to affect use.

[0032] Working principle: in use, the lower protective film 3 and the upper protective film 5 are fixedly connected with extension blocks 4 at the left and right sides, the extension blocks 4 can facilitate pulling away of the lower protective film 3 and the upper protective film 5 from the surfaces of the lower glue layer 2 and the upper glue layer 6, thereby facilitating disassembly of the lower protective film 3 and the upper protective film 5, the foam main body 1 is installed at a suitable position through the lower glue layer 2 and the upper glue layer 6, the elastic sleeve 7 can limit the extension blocks 4, preventing accidental falling of the lower protective film 3 and the upper protective film 5 due to warping of the extension blocks 4, affecting the adhesion performance of the lower glue layer 2 and the upper glue layer 6, the elastic sleeve 7 is removed, and then the extension blocks 4 are pulled to disassemble the lower protective film 3 and the upper protective film 5, the lower glue layer 2 and the upper glue layer 6 can facilitate installation and fixation of the foam main body 1 at a suitable position, the anti-skid particles 8 on the lower glue layer 2 and the upper glue layer 6 can increase the friction resistance of the foam main body 1 at the installation position, thereby preventing accidental falling of the foam main body 1 to affect use, the high-temperature-resistant layer 9 and the waterproof film 10 not only can protect the lower protective film 3 and the upper protective film 5 from accidental breakage to affect use, but also can prevent water from penetrating into the inside of the foam main body 1 through the lower protective film 3 and the upper protective film 5 to affect use of the foam main body 1, and the waterproof coating 11 and the wear-resistant coating 12 can protect the four sides of the foam main body 1.

[0033] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application 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. No limitation is intended to the details of the drawing figures which are to be used only for illustration insofar as they do not pertain to the relevant claims.

Claims

1. A waterproof adhesive structure of a foam back adhesive concave, comprising a glue layer (2), characterized in that: The top end of the lower adhesive layer (2) is provided with a foam body (1), the top end of the foam body (1) is provided with an upper adhesive layer (6), the bottom end of the foam body (1) is provided with a lower protective film (3), the top end of the upper adhesive layer (6) is provided with an upper protective film (5), the left and right sides of the lower protective film (3) and the upper protective film (5) are respectively fixedly connected with extension blocks (4), and the outside of the lower protective film (3) and the upper protective film (5) is provided with an elastic sleeve (7).

2. The structure according to claim 1, wherein the structure is a structure of a waterproofing adhesive tape having a back adhesive layer of a foam tape. The elastic sleeve (7) is elastically mounted outside the extension block (4), and the elastic sleeve (7) limits the extension block (4).

3. The structure according to claim 1, wherein the structure is a structure of a waterproofing adhesive tape having a back adhesive layer of a foam tape. The top end inside the lower adhesive layer (2) is provided with a groove, and the lower adhesive layer (2) and the upper adhesive layer (6) are respectively bonded to the upper and lower ends of the foam body (1).

4. The structure according to claim 1, wherein the structure is a structure of a waterproofing adhesive tape having a back adhesive layer of a foam tape. The outside of the lower adhesive layer (2) is coated with a waterproof coating (11), the outside of the waterproof coating (11) is coated with a wear-resistant coating (12), and the waterproof coating (11) and the wear-resistant coating (12) are coated in the inside of the groove.

5. The structure according to claim 1, wherein the structure is a structure of a waterproofing adhesive tape having a back adhesive layer of a foam tape. The end close to the outside of the lower protective film (3) and the upper protective film (5) is respectively provided with a waterproof film (10) fixedly connected, and the outside of the waterproof film (10) is coated with a high-temperature resistant layer (9).

6. The structure according to claim 5, wherein the back adhesive recessed waterproofing structure is characterized by: The thickness of the high-temperature resistant layer (9) and the waterproof film (10) is the same, and the high-temperature resistant layer (9) and the waterproof film (10) cooperate with each other.

7. The structure according to claim 1, wherein the structure is a structure of a waterproofing adhesive tape having a back adhesive layer of a foam tape. The lower adhesive layer (2) and the upper adhesive layer (6) are respectively provided with anti-skid particles (8).

8. The structure according to claim 7, wherein the back adhesive recessed waterproofing structure is characterized by: The anti-skid particles (8) are provided in several groups, and the anti-skid particles (8) are arranged at equal intervals on the lower adhesive layer (2) and the upper adhesive layer (6).