CN210796317U

CN210796317U - Back adhesive and electronic equipment applying same

Info

Publication number: CN210796317U
Application number: CN201921349745.3U
Authority: CN
Inventors: 冯文平
Original assignee: Shenzhen Water World Co Ltd
Current assignee: Shenzhen Waterward Information Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-19
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a gum and an electronic device applying the gum, wherein the gum is applied to an electronic product and comprises a base body which is of a flat structure, and the base body is provided with a through hole arranged along the thickness direction of the base body; the back surface gum is attached to one surface of the substrate and arranged around the through hole; the first back surface back glue film is attached to the back surface back glue around the through hole, at least shields a first part of the back surface back glue, which is far away from the through hole, and exposes a second part of the back surface back glue, which is close to the through hole; and the second back adhesive film is attached to the second part of the back adhesive around the through hole. The utility model discloses a set up independent first reverse side back of the body glued membrane and second reverse side back of the body glued membrane, in electronic equipment's LED screen assembling process, need not tear the protection film of LED screen, guaranteed that LED screen assembling process in the surface is not by dust pollution, and guaranteed that the LED screen after the equipment is not scraped the flower, the transmission and the storage of manufacturing procedure in the middle of the convenience.

Description

Back adhesive and electronic equipment applying same

Technical Field

The utility model relates to electronic equipment field especially involves an gum and uses the electronic equipment of gum.

Background

As a novel electronic environment-friendly product, the LED screen has been applied to various places and various electronic devices, such as places for propagating media advertisements, live broadcast programs, hotel notices, and the like, and is applied to products such as televisions, computers, mobile phones, and the like as the most direct information interaction device for human bodies and devices, at present, in the electronic industry, the housing of the electronic device and the LED screen are mainly glued by using a back adhesive, for example, when the LED screen of a mobile phone is assembled, a protective film of the LED is firstly torn off, and then the back adhesive is stuck on the LED screen and the housing of the electronic device, so that the LED screen is stuck and fixed on the electronic housing, and the assembly of the LED screen is completed. According to the assembling mode, the protective film of the LED screen needs to be torn off before the LED screen is mounted, so that the LED screen with the protective film torn off is easily damaged by electronic equipment in the subsequent assembling process, such as being easily scratched by physics and the like, the electronic equipment is not favorably transmitted and stored in the assembling process, the defective rate is further improved, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gum and use the electronic equipment of gum aims at solving and avoids the LED screen to receive the technical problem of damage in the equipment process.

In view of this, the utility model provides a gum is applied to on the electronic product, and this gum includes: the base body is of a flat structure, and is provided with a through hole arranged along the thickness direction of the base body; the back surface gum is attached to one surface of the substrate and arranged around the through hole; the first back surface back adhesive film surrounds the through hole, is attached to the back surface back adhesive, at least shields a first part of the back surface back adhesive, which is far away from the through hole, and exposes a second part of the back surface back adhesive, which is close to the through hole; and the second back adhesive film surrounds the through hole and is attached to the second part of the back adhesive.

Further, the back adhesive comprises a front back adhesive and a front back adhesive film, wherein the front back adhesive is positioned on one surface of the substrate opposite to the back adhesive; the front-side back adhesive film is adhered to the front-side back adhesive.

Further, the back surface back adhesive comprises a first back surface back adhesive and a second back surface back adhesive; the first reverse surface back adhesive is arranged on the substrate at a position corresponding to the first part; the second reverse surface gum is arranged on the substrate at a position corresponding to the second part.

Further, the substrate is foam.

Further, the thickness range of the foam is 0.5mm-0.8 mm.

Further, a gap is formed between the first reverse-side back adhesive and the second reverse-side back adhesive, and the distance range of the gap is 0.1mm-0.2 mm.

Furthermore, the front back adhesive film, the first back adhesive film and the second back adhesive film extend out of part of the film body from the base body.

Further, the front back adhesive film, the first back adhesive film and the second back adhesive film are release films.

Further, the width range of the first reverse side gum is 2mm-3mm, and the width range of the second reverse side gum is 1mm-2 mm.

The utility model also provides an electronic equipment who uses this gum, this electronic equipment include equipment shell, electronic display screen, lens and above-mentioned gum, the equipment shell has a recess, electronic display screen installs in the recess, tear first reverse side gum behind first reverse side gum membrane with equipment shell connects, tear second reverse side gum behind the second reverse side gum membrane with electronic display screen connects, tear the front gum behind the positive gum membrane with the lens is connected.

The utility model discloses the beneficial effect who obtains is:

through setting up independent first reverse side back of body glued membrane and second reverse side back of body glued membrane, in electronic equipment's LED screen assembling process, need not tear the protection film of LED screen, guaranteed that LED screen assembling process in the surface is not polluted by the dust, and guaranteed that the LED screen after the equipment is not scraped the flower, the transmission and the storage of processing procedure in the middle of the convenience to the product defective percentage has been reduced, manufacturing cost has been reduced.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the back adhesive of the present invention;

fig. 2 is a top view of the gum of the present invention;

fig. 3 is a schematic view of a partial structure of an electronic device to which the above-described back adhesive is applied.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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.

As used herein, the singular forms "a", "an", "the" and "the" include plural referents unless the content clearly dictates otherwise.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1, which shows a schematic structural diagram of an embodiment of the back adhesive of the present application, as shown in fig. 1, the back adhesive of the present application is applied to an electronic product, the back adhesive 10 includes a base 1, which is a flat structure, and a through hole is disposed on the base 1 along a thickness direction of the base; the back surface gum 2 is attached to one surface of the substrate 1 and arranged around the through hole; the first back surface back adhesive film 211 surrounds the through hole, is attached to the back surface back adhesive 2, and at least shields a first part of the back surface back adhesive 2 far away from the through hole and exposes a second part of the back surface back adhesive close to the through hole; and a second back adhesive film 221 attached to the second portion of the back adhesive 2 around the through hole.

In this embodiment, holes may be formed in the base 1 according to the actual situation of the electronic device, for example, a handset of a conventional key-press mobile phone is disposed on the screen, so that corresponding holes may be formed in corresponding positions of the base 1. In this embodiment, the back adhesive 10 may be made of polyimide, acrylate or other adhesive materials, wherein the other adhesive materials may include polyvinyl alcohol, animal adhesive, plant adhesive, etc., which have good heat resistance, dielectric property and bending resistance.

In the practical application process, when carrying out the equipment of LED screen, the LED screen that has the protection film is installed in the location storage tank of electronic product, tear first reverse side gum membrane 211, thereby directly paste reverse side gum 2 around the electronic product location storage tank, make gum 10 and electronic product realize connecting, second reverse side gum membrane 221 supports and leans on LED screen this moment, wherein, support and lean on to show second reverse side gum membrane 221 and hug closely the LED screen on the position, guaranteed that the LED screen is fixed and is not dropped in the location storage tank of electronic product, thereby accomplish the equipment process of LED screen. The protection film is reserved on the LED screen, damage to the LED screen caused by external physical impact, such as fingernails and scratches of hard objects of an operator, can be avoided, and other intermediate procedures, such as testing, intermediate procedure transmission or storage and the like are involved in the assembly of the lens not immediately after the LED screen is assembled, so that the LED screen is better protected under the condition of the protection film, and the transmission and storage of the intermediate processing procedures are facilitated.

Referring to fig. 2, a top view of the back adhesive of the present application is shown, as shown in fig. 2, in this embodiment, the back adhesive 10 further includes a front back adhesive 3 and a front back adhesive film (not shown), the front back adhesive 3 is on a side of the substrate 1 opposite to the back adhesive 2; the front surface back adhesive film is adhered to the front surface back adhesive 3. Specifically, the front surface back glue 3 and the back surface back glue 2 are arranged on two opposite surfaces of the substrate 1, in an electronic product, the LED screen is also covered with a layer of lens which has the functions of beautifying and decorating and protecting the LED screen, the back glue is provided with the front back glue 3 which can realize the combination of the lens and an electronic product, when the process of adhering the lens is performed, the protective film of the LED screen needs to be torn off, and then the second back adhesive film 221 is torn off, so that the back adhesive 2 on the back side is adhered to the shell of the electronic product and the LED screen, after the shell of the electronic product and the LED screen are adhered, the back adhesive on the front side is torn off, and then paste the lens on the positive gum 3 again to only need adopt gum 10 just can realize the effect with LED screen, electronic product shell and lens interconnect, reduced the adoption of internals, reduced the inside complication of electronic product, and then improved electronic product's compactness and reliability. In practical application, in the transportation and the storage process of gum 10, the effect that protection front gum 3 does not receive other pollutants such as dust to pollute can be played to the front gum membrane, and on the other hand also prevents the phenomenon of gum 10 and other material adhesions, makes things convenient for the transportation and the save of gum 10.

Referring to fig. 1, the back side adhesive 2 includes a first back side adhesive 21 and a second back side adhesive 22; the first reverse back adhesive 21 is arranged on the substrate 1 at a position corresponding to the first part; the position of the second reverse back adhesive 22 corresponding to the second part is arranged on the substrate 1. Specifically, first reverse side gum 21 and second reverse side gum 22 are independent each other, both correspond respectively and have first reverse side gum membrane 211 and second reverse side gum membrane 221 attached, when carrying out the electronic product equipment, first reverse side gum 21 and second reverse side gum 22 are pasted respectively and are covered on the casing and the LED of electronic product are shielded, because first reverse side gum 21 and second reverse side gum 22 set up independently, consequently can be according to the actual production condition, adjust the viscosity size of first reverse side gum 21 and second reverse side gum 22 respectively, in order to adapt to different production demands. For example, when the LED screen is assembled, it is generally desirable that the connection strength between the adhesive and the housing of the electronic product is high, and the connection strength between the adhesive and the LED screen is low, so that when the adhesive is produced, the viscosity of the first adhesive 21 and the second adhesive 22 can be respectively adjusted adaptively, thereby increasing the application function of the adhesive and improving the application range of the adhesive.

In the embodiment, the substrate 1 is foam, the foam is a material foamed by plastic particles, and the foam in this embodiment can be selected from PU foam, antistatic foam, EPE or antistatic EPE, and the foam has a series of characteristics of elasticity, light weight, rapid pressure-sensitive fixation, convenient use, free bending, ultra-thin volume, reliable performance and the like, so that the substrate in this embodiment is foam, and the assembled electronic product has the functions of sealing and preventing electrostatic dust, and in addition, the foam is filled between the front-side back adhesive 3 and the back-side back adhesive 2, that is, the foam with the functions of sealing and preventing electrostatic dust is combined with the back adhesive for adhering the LED screen, the electronic product shell and the lens into a whole, so that the complexity of internal linkage of the electronic product can be reduced, the electronic product is more convenient to assemble, and the rapidness of product assembly is improved, the assembly efficiency is improved.

Preferably, the foam thickness ranges from 0.5mm to 0.8 mm. Within this thickness range, the back adhesive 10 of the present application has a good cushioning effect. For example, when the electronic product collides or falls, the foam 4 has a certain buffer protection effect, and can effectively prevent the LED from being damaged due to collision.

In this embodiment, a gap is formed between the first reverse-side adhesive tape 21 and the second reverse-side adhesive tape 22, the distance range of the gap is 0.1mm to 0.2mm, specifically, the first reverse-side adhesive tape 21 and the second reverse-side adhesive tape 21 may be independent from each other, that is, the first reverse-side adhesive tape 21 and the second reverse-side adhesive tape 22 are not integrally connected, and have a certain gap separation therebetween, and the distance range of the gap is 0.1mm to 0.2 mm. In practical application, the base bodies attached by the back glue are different, the components of the glue which is often needed are different, for example, the first back glue 21 is generally adhered to the shell made of plastic materials, the second back glue 22 is generally adhered to the LED screen made of glass materials, the adhered base materials are different, the requirements on the components of the glue are also different, and the first back glue 21 and the second back glue 21 are arranged in an independent mode, so that the components of the first back glue 21 and the second back glue 22 can be conveniently and independently adjusted, and the first back glue 21 and the second back glue 22 with different components can be conveniently produced.

Preferably, the front back adhesive film, the first back adhesive film 211, and the second back adhesive film 221 respectively extend part of the film body to the outside of the base 1, and specifically, the front back adhesive film, the first back adhesive film 211, and the second back adhesive film 221 further have part of the film body extending to the outside of the base 1 except for the part of the film body capable of respectively covering the front adhesive film 3, the first back adhesive film 21, and the second back adhesive film 22, and preferably, the film body extending from the part of the film body is U-shaped, and through the extending film body, when the back adhesive 10 needs to be used for pasting, a user can conveniently tear the front adhesive film, the first back adhesive film 211, and the second back adhesive film 221, so that the time for tearing the film body is reduced, and the efficiency for assembling an electronic product is improved.

Preferably, the front adhesive-backed film, the first back adhesive-backed film 211, and the second back adhesive-backed film 221 are release films. The release film is a film with a distinguishable surface, and has no viscosity or slight viscosity after being contacted with a specific material under a limited condition, and the gum 10 can be protected by utilizing the characteristics of the release film, and meanwhile, the gum is easy to peel, so that a user can peel the film body quickly. According to the actual production situation, the front adhesive-backed film, the first back adhesive-backed film 211, and the second back adhesive-backed film 221 can also be made of other materials with protection and easy peeling functions, such as release paper, which is not limited in this application.

In the embodiment, the width of the first back adhesive 21 is greater than the width of the second back adhesive 22, in practical application, the first back adhesive 21 is used for being adhered to the housing of the electronic product, and the second back adhesive 22 is used for being adhered to the LED screen, so that the width of the first back adhesive 21 is increased appropriately in order to make the adhesive 10 better combine with the housing. The second back adhesive tape 22 is used for adhering the LED screen, and the second back adhesive tape 221 is tightly adjacent to the LED screen, so that the second back adhesive tape 221 has a relatively small movable space during assembly, and is difficult to tear off from a narrow movable space, and the width of the second back adhesive tape 22 is appropriately reduced in order to facilitate the tearing off of the second back adhesive tape 221 during subsequent product assembly.

In this embodiment, the width range of the first back surface adhesive 21 is 2mm-3mm, the width range of the second back surface adhesive 22 is 1mm-2mm, and in this width range, the adhesive 10 can be better adhered to an electronic product, so as to prevent the adhesive from falling off, and facilitate tearing off the second back surface adhesive film during the assembly process of the electronic product.

Referring to fig. 3, a schematic view of a partial structure of an electronic device to which the adhesive is applied is shown. The electronic device can be a smart phone, a traditional key phone, a tablet computer, a notebook computer and the like. It should be noted that the above-mentioned electronic products are only examples, and other existing or future electronic products may be applied to the present application and shall be included in the scope of protection of the present application.

As shown in fig. 3, the electronic apparatus includes: equipment shell 4, electronic display screen 5, lens 6 and above-mentioned gum 10, equipment shell 4 has a recess, electronic display screen 5 is installed in the recess, tear first reverse side gum behind the first reverse side gum membrane with equipment shell 4 is connected, tear second reverse side gum behind the second reverse side gum membrane with electronic display screen 5 is connected, tear the front gum behind the front gum membrane with lens 6 is connected.

Specifically, when the back adhesive 10 is used to connect the device housing 4, the electronic display screen 5 and the lens 6, firstly, a user installs the electronic display screen 5 with a protective film in the groove of the device housing 4 in a matching manner, and after tearing off the first back adhesive film 211, the first back adhesive film 21 is adhered to the periphery of the groove of the device housing 4, and after completing other assembly processes, such as a detection process, when the lens 6 needs to be installed, the protective film adhered to the front side of the electronic display screen 5 is torn off, and then the second back adhesive film 221 is torn off, so that the second back adhesive film 22 is connected with the electronic display screen 5, and then the front adhesive film is torn off, and the lens 6 is adhered to the front adhesive film 3, thereby completing the assembly process of the electronic device. The electronic display screen 5 in the above structure includes an LED screen or an LCD screen.

In this embodiment, the gum 10 in the electronic device can be connected to the device housing 4, the electronic display screen 5 and the lens 6 at the same time, so that the structure of the assembled electronic device is compact, the complexity of connection of internal devices of the electronic product is reduced, the convenience and reliability of assembly are improved, and the assembly efficiency is improved.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a gum, is applied to electronic product, its characterized in that includes:

the base body is of a flat structure, and is provided with a through hole arranged along the thickness direction of the base body;

the back surface gum is attached to one surface of the substrate and arranged around the through hole;

the first back surface back adhesive film surrounds the through hole, is attached to the back surface back adhesive, at least shields a first part of the back surface back adhesive, which is far away from the through hole, and exposes a second part of the back surface back adhesive, which is close to the through hole;

and the second back adhesive film surrounds the through hole and is attached to the second part of the back adhesive.

2. The adhesive-backed according to claim 1, further comprising a front adhesive-backed film and a front adhesive-backed film, wherein the front adhesive-backed film is on a side of the substrate opposite to the back adhesive-backed film; the front-side back adhesive film is adhered to the front-side back adhesive.

3. The adhesive backing of claim 1, wherein the reverse adhesive backing comprises a first reverse adhesive backing and a second reverse adhesive backing;

the first reverse surface back adhesive is arranged on the substrate at a position corresponding to the first part; the second reverse surface gum is arranged on the substrate at a position corresponding to the second part.

4. The backing adhesive of claim 3, wherein the matrix is foam.

5. The adhesive tape of claim 4, wherein the foam has a thickness in the range of 0.5mm to 0.8 mm.

6. The adhesive backing of claim 3, wherein the gap distance between the first and second reverse adhesive backing is in the range of 0.1mm to 0.2 mm.

7. The adhesive-backed film of claim 2, wherein the front adhesive-backed film, the first back adhesive-backed film, and the second back adhesive-backed film respectively extend out of a portion of the film body.

8. The adhesive-backed film of claim 7, wherein the front adhesive-backed film, the first back adhesive-backed film, and the second back adhesive-backed film are release films.

9. The adhesive backing of claim 3, wherein the first reverse adhesive backing has a width in the range of 2mm to 3mm and the second reverse adhesive backing has a width in the range of 1mm to 2 mm.

10. An electronic device using the adhesive, the electronic device comprising: the equipment shell, the electronic display screen, the lens and the gum of claim 2, the equipment shell is provided with a groove, the electronic display screen is installed in the groove, the first reverse side gum after tearing off the first reverse side gum film is connected with the equipment shell, the second reverse side gum after tearing off the second reverse side gum film is connected with the electronic display screen, and the front gum after tearing off the front gum film is connected with the lens.