CN220012513U

CN220012513U - Round protection film

Info

Publication number: CN220012513U
Application number: CN202320899026.9U
Authority: CN
Inventors: 温惠陆; 郑靖萍
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-11-14
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a circular protective film, which comprises a tearing handle, a circular protective film body and a release film from top to bottom in a stacking way, wherein the tearing handle is adhered to the circular protective film body through a first adhesive layer, and the edge of one end of the tearing handle adhered to the circular protective film body is arc-shaped and is adhered to the edge of the circular protective film body in a flush and edge fit way. Through the edge alignment on circular protection film body coincide and attach and tear the handle, make the adhesion face that tears the handle evenly dispersed on the regional circular protection film body edge of part mucosa, can make the atress edge can seamless cover at its circular arc edge, tear the handle and firmly fully adhere on circular protection film body, make it give full play to atress and tear the effect, tear the circular protection film body that will strengthen the viscidity more easily promptly, make circular protection film body and the better separation of apron screen.

Description

Round protection film

Technical Field

The utility model relates to the technical field of protective films, in particular to a round protective film.

Background

At present, the instrument display of circular on-vehicle apron, on-vehicle touch TP, on-vehicle display screen, the in-process of car factory equipment casing requires that the tearing handle of protection film can not surpass the protection film periphery, however when it is assembled the protection film in the display screen module factory, the tearing handle incoming material of protection film is square, and paste at circular protection film's edge, tear handle and circular arc edge's atress only on the viscidity corner point, lead to the protection film edge to have partial tearing handle viscidity, so can not cover completely (like fig. 1, 2).

Therefore, the old protective film of the technical problem needs to be transported out of a foreign module factory through two months of shipping, is affected by high temperature and high humidity of weather on the sea surface, the adhesion force of the protective film adsorbed on the surface of a product can be correspondingly enhanced, the protective film is torn in the process of tearing, and partial tearing handles can be separated from the protective film due to insufficient stress in the aspect of viscosity.

For example, chinese patent (CN 217674395U) discloses a round protective film, which belongs to the technical field of protective films. A circular protective film comprises film paper, wherein the bottom surface of the film paper is stuck on the surface layer of a part to be protected through glue solution; the upper surface of the film paper is provided with a film tearing component which is used for tearing off the film paper; the membrane paper is provided with two grooves, and the two grooves are symmetrically arranged on two sides of the membrane tearing component. The utility model solves the problem that the protective film is difficult to tear off due to the action of atmospheric pressure after being placed for a long time.

However, when the present inventors embodied this device, the following drawbacks were found to exist: the incoming material of the tearing handle of the protective film is square and is stuck to the edge of the circular protective film, and the stress of the tearing handle and the circular arc edge is only on the viscous corner points, so that the edge of the protective film has partial tearing handle viscosity, and the protective film cannot be completely covered.

Disclosure of Invention

Based on this, it is necessary to provide a circular protection film to the above-mentioned technical problem, has solved circular protection film body part and has torn the handle and glue the face and not glue the region, tears the atress point of handle and can evenly disperse and paste the edge to circular protection film body at tearing the handle and glue the face, solves the difficult problem of tearing the membrane.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a circular protective film.

The stacking device comprises a tearing handle, a round protection film body and a release film from top to bottom, wherein the tearing handle is adhered to the round protection film body through a first adhesive layer, and the edge of one end of the tearing handle adhered to the round protection film body is arc-shaped and is adhered to the edge of the round protection film body in a flush edge fit manner.

In a preferred embodiment of the circular protective film provided by the utility model, the tearing handle comprises an attaching portion and a handle portion, wherein the attaching portion and the first adhesive layer are the same in size and are attached to each other, and the handle portion is arranged on one side of the attaching portion.

As a preferred embodiment of the circular protective film provided by the utility model, the tearing handle is positioned at the edge right above the surface of the circular protective film body, and the joint of the attaching part and the handle part is provided with a folding indentation strip for obvious distinction and contraposition in a pressing forming way.

As a preferred embodiment of the circular protective film provided by the utility model, the circular protective film body is adhered to the release film through a second adhesive layer.

In a preferred embodiment of the circular protective film provided by the utility model, a surface of the second adhesive layer, which is adhered to the release film, is weakly adhesive, and a surface of the second adhesive layer, which is adhered to the circular protective film body, is strongly adhesive.

As a preferred embodiment of the circular protective film provided by the utility model, the second adhesive layer adopts one of polyurethane adhesive, organic silica gel adhesive, vinyl acetate and copolymer adhesive thereof, and the adhesive value of the second adhesive layer is 3-5 g/25mm.

As a preferred embodiment of the circular protective film provided by the present utility model, the first adhesive layer has a higher adhesive strength than the second adhesive layer.

As a preferred embodiment of the circular protective film provided by the utility model, the size of the release film is 0.1-0.2 mm larger than the outer peripheral size of the circular protective film body.

As a preferred embodiment of the circular protective film provided by the utility model, the circular protective film body is one of a PVC film, a PET film or an AR film.

As a preferred embodiment of the circular protective film provided by the utility model, the thickness of the circular protective film body is 75-125 μm.

Compared with the prior art, the utility model has the following beneficial effects:

according to the circular protective film provided by the utility model, the edge on the circular protective film body is aligned and matched with the tearing handle, so that the adhesive surface of the tearing handle can be uniformly dispersed on the edge of the circular protective film body in a part of the mucosa area, the stress edge can be seamlessly covered on the edge of the circular arc of the circular protective film body, the tearing handle is firmly and fully adhered on the circular protective film body, the stress tearing effect is fully exerted, namely, the circular protective film body with enhanced adhesion is more easily torn off, the circular protective film body and the cover plate screen are better separated, meanwhile, the arc edge is coincided and aligned, the automatic alignment of a machine is facilitated to be directly adhered on a display product after materials are supplied, the manual adhesion of the tearing handle is not needed, the labor is saved, the production efficiency is improved, and the circular protective film is beneficial to timely outlet.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a partial enlarged view A of FIG. 1;

FIG. 3 is a schematic view of a circular protective film according to the present utility model;

FIG. 4 is an enlarged view B of a portion of FIG. 3;

fig. 5 is a schematic stacking view of the circular protective film provided by the utility model.

The labels in the figures are illustrated below:

a tearing handle 1; a circular protective film body 2; a release film 3; a first adhesive layer 4; a bonding part 11; a handle portion 12; folding the indentation bar 13 in half; a second adhesive layer 5.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As described in the background art, the material of the tearing handle 1 of the circular protection film body 2 is square, and is attached to the edge of the circular protection film body 2, and the stress of the tearing handle 1 and the circular arc edge is only on the viscous corner point, so that the edge of the circular protection film body 2 has the viscosity of the tearing handle 1, so that the tearing handle cannot be completely covered.

In order to solve the technical problem, the utility model provides a round protective film.

Specifically, referring to fig. 3 to 5, the circular protective film specifically includes:

the stacking device comprises a tearing handle 1, a circular protective film body 2 and a release film 3 from top to bottom, wherein the tearing handle 1 is adhered to the circular protective film body 2 through a first adhesive layer 4, and the edge of one end of the tearing handle 1 adhered to the circular protective film body 2 is arc-shaped and is adhered to the edge of the circular protective film body 2 in a flush edge manner.

According to the circular protective film provided by the utility model, the edge on the circular protective film body 2 is aligned and matched with the attached tearing handle 1, so that the adhesive surface of the tearing handle 1 can be uniformly dispersed on the edge of the circular protective film body 2 in a part of a mucous membrane area, the stressed edge can be seamlessly covered on the edge of the circular arc of the circular protective film body, the tearing handle 1 is firmly and fully adhered on the circular protective film body 2, the stressed tearing effect is fully exerted, namely, the circular protective film body 2 with enhanced adhesion is torn off more easily, the circular protective film body 2 is better separated from a cover plate screen, meanwhile, the automatic alignment of a machine is facilitated after the material is supplied due to the overlapping alignment of the arc edge, the manual attachment of the tearing handle 1 is not needed, the labor is saved, the production efficiency is improved, and the circular protective film is beneficial to timely outlet.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 3-5, a circular protection film is stacked from top to bottom, and includes a tearing handle 1, a circular protection film body 2 and a release film 3, wherein the tearing handle 1 is adhered to the circular protection film body 2 through a first adhesive layer 4, and the edge of one end of the tearing handle 1 adhered to the circular protection film body 2 is in an arc shape and is adhered to the edge of the circular protection film body 2 in a flush edge fit manner.

Through above-mentioned structural design, through the edge alignment on circular protection film body 2 coincide and paste and tear handle 1, make the adhesion face that tears handle 1 can evenly disperse on the regional circular protection film body 2 edges of part mucosa, can make the atress edge seamless cover at its circular arc edge, tear handle 1 firmly abundant adhesion on circular protection film body 2, make it give full play to atress and tear the effect, will strengthen the circular protection film body 2 of viscidity more easily tear promptly, make circular protection film body 2 and the better separation of apron screen, simultaneously, owing to the arc edge carries out the coincidence counterpoint, be favorable to the automatic counterpoint of machine to paste directly on the display product after the incoming material, save the manual work, make production efficiency obtain promoting, be favorable to in time export.

The tearing handle 1 comprises an attaching portion 11 and a handle portion 12, the attaching portion 11 and the first adhesive layer 4 are identical in size and are attached to each other, and the handle portion 12 is arranged on one side of the attaching portion 11.

Through above-mentioned structural design, the laminating portion 11 that tear handle 1 included and handle portion 12, laminating portion 11 along circular arc edge to centre of a circle direction adhesion of circular protection film body 2, its abundant adhesion is for tearing circular protection film body 2 of later and lay the basis, and handle portion 12 is used for the manual work pulling to tear handle 1 to better tear circular protection film body 2.

The tearing handle 1 is positioned at the edge right above the surface of the circular protective film body 2, and the joint of the attaching part 11 and the handle part 12 is provided with a folding indentation bar 13 which is used for obvious distinction and contraposition in a pressing forming mode.

Through above-mentioned structural design, tear handle 1 is located the edge directly over the surface of circular protection film body 2, and its setting direction drops downwards, avoids producing structural interference with the packing in the apron equipment in-process, and the indentation strip between laminating portion 11 and the handle portion 12 is used for making things convenient for the machine to counterpoint to attach on circular protection film body 2, makes the structure more compact like this simultaneously, and the punching press is also more convenient.

Example 2

Further optimizing the circular protective film provided in embodiment 1, specifically, as shown in fig. 3-5, the surface of the second adhesive layer 5 adhered to the release film 3 is weak adhesive, and the surface of the second adhesive layer 5 adhered to the circular protective film body 2 is strong adhesive.

Through the above-mentioned structural design, when needs use circular protection film body 2 to attach on the target apron, tear from release film 3, its second adhesive layer 5 is followed circular protection film body 2 separation.

The second adhesive layer 5 adopts one of polyurethane adhesive, organic silica gel adhesive, vinyl acetate and copolymer adhesive thereof, and the adhesive value of the second adhesive layer 5 is 3-5 g/25mm.

Through the above structural design, the second adhesive layer 5 adopts one of polyurethane adhesive, organic silica gel adhesive, vinyl acetate and copolymer adhesive thereof, and in this embodiment, polyurethane adhesive is adopted as the second adhesive layer 5, and the adhesive value of the second adhesive layer 5 is 5g/25mm.

The adhesive strength of the first adhesive layer 4 is greater than that of the second adhesive layer 5.

Through above-mentioned structural design, first adhesive layer 4 intensity is greater than second adhesive layer 5, can avoid tearing handle 1 and break away from the condition appearance that circular protection film body 2 when tearing from circular protection film body 2.

Example 3

Further optimizing the circular protective film provided in example 1 or 2, as shown in fig. 3-5, the size of the release film 3 is expanded by 0.1-0.2 mm beyond the outer peripheral size of the circular protective film body 2.

Through the structural design, the size of the release film 3 is 0.1-0.2 mm larger than the peripheral size of the circular protective film body 2, so that the edge viscosity of the circular protective film body 2 can be better protected, and impurities are prevented from entering the circular protective film body 2.

The circular protective film body 2 is one of a PVC film, a PET film or an AR film.

Through the above-mentioned structural design, in this embodiment, the circular protection film body 2 selects the PET membrane as the body, and the PET membrane adopts the coating of high molecular conductive polymer, and surface resistivity is low, performance and stability, chemical resistance are good, can withstand the erosion of chemical substance. The circular protective film body 2 made of PET is suitable for packaging materials, has better barrier property to oxygen and water vapor and excellent thermoforming property, is equivalent to PVC sheets, and can be used for preparing PET thermoforming products with excellent performance by vacuum forming.

The thickness of the circular protective film body 2 is 75-125 μm.

Through the above structural design, in this embodiment, the thickness of the circular protection film body 2 is 75 μm, and the circular protection film body 2 with different thicknesses can be selected according to different requirements.

The use process of the circular protective film provided by the utility model is as follows:

through the edge alignment on circular protection film body 2 coincide and attach and tear handle 1, make the adhesion surface that tears handle 1 can evenly disperse on the circular protection film body 2 edges in partial mucosa area, can make the atress edge seamless cover at its circular arc edge, tear handle 1 and firmly fully adhere on circular protection film body 2, make it give full play to atress and tear the effect, tear out the circular protection film body 2 that strengthens the viscidity more easily promptly, make circular protection film body 2 and the better separation of apron screen, simultaneously, owing to the arc edge carries out the coincidence counterpoint, be favorable to the automatic counterpoint of machine to paste directly on the display product after the incoming material, need not the manual work and paste and tear handle 1, save the manual work, make production efficiency obtain promoting, do benefit to in time export.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model 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 description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. The utility model provides a circular protection film, its piles up from the top down including tearing handle (1), circular protection film body (2) and from type membrane (3), tear handle (1) through first adhesive layer (4) adhesion be in on circular protection film body (2), its characterized in that, tear handle (1) adhesion be in the edge of the one end on circular protection film body (2) is circular arc, and with the edge of circular protection film body (2) is neat limit coincide and is attached.

2. The circular protective film according to claim 1, wherein the tearing handle (1) comprises an attaching portion (11) and a handle portion (12), the attaching portion (11) and the first adhesive layer (4) are the same in size and are attached to each other, and the handle portion (12) is arranged on one side of the attaching portion (11).

3. Circular protective film according to claim 2, characterized in that the tearing handle (1) is located at the edge right above the surface of the circular protective film body (2), and the joint of the attaching part (11) and the handle part (12) is provided with a folding indentation bar (13) for obvious distinction and alignment by press molding.

4. The circular protective film according to claim 1, characterized in that the circular protective film body (2) is adhered to the release film (3) by a second adhesive layer (5).

5. The circular protective film according to claim 4, wherein the surface of the second adhesive layer (5) adhered to the release film (3) is weakly adhesive, and the surface of the second adhesive layer (5) adhered to the circular protective film body (2) is strongly adhesive.

6. The circular protective film according to claim 5, wherein the second adhesive layer (5) is one of polyurethane adhesive, silicone adhesive, vinyl acetate and copolymer adhesive thereof, and the adhesive value of the second adhesive layer (5) is 3-5 g/25mm.

7. The circular protective film according to claim 6, characterized in that the adhesive strength of the first adhesive layer (4) is greater than the second adhesive layer (5).

8. The circular protective film according to claim 1, characterized in that the size of the release film (3) is flared by 0.1-0.2 mm over the outer peripheral size of the circular protective film body (2).

9. The circular protective film according to claim 1, wherein the circular protective film body (2) is one of a PVC film, a PET film or an AR film.

10. The circular protective film according to claim 9, characterized in that the thickness of the circular protective film body (2) is 75-125 μm.