CN212433440U - Protective film - Google Patents

Abstract

The application relates to a protective film, it is fixed in the membrane frame on object surface including the lamina membranacea that is used for protecting article surface and supplementary lamina membranacea, the interior profile shape size of membrane frame with the profile shape size of lamina membranacea is the same, the lamina membranacea is fixed in the membrane frame. This application has and makes protective film connect the effect that the object surface is more stable.

Description

Protective film

Technical Field

The application relates to the technical field of protective films, in particular to a protective film.

Background

The protective film refers to a relatively thin film layer including a hard film and a soft film. The protective film is generally attached to the surface of an object to protect the object or an attached surface, and the protective performance includes impact protection, friction protection and the like. With the continuous development of modern society and the continuous progress of industry, the application range of the protective film is wider and wider, and the protective film not only can be used for protecting screens, but also can be used for protecting the surfaces of various delicate articles. When the protection film is fixed through the AB glue, gas molecules continuously try to enter between the film layer and the surface of the object on the periphery of the protection film, and the connection of the film layer on the surface of the object is not stable enough.

In view of the above-mentioned related art, the inventors consider that there is a defect that the connection of the protective film on the surface of the object is not stable enough.

SUMMERY OF THE UTILITY MODEL

In order to make the protective film more stable in the connection on the object surface, this application provides a protective film.

The application provides a protection film adopts following technical scheme:

a protective film comprises a film plate for protecting the surface of an article and a film frame for assisting the film plate to be fixed on the surface of the article, wherein the size of the inner outline shape of the film frame is the same as that of the film plate, and the film plate is fixed in the film frame.

By adopting the technical scheme, when the template is used, the template is attached to a target object to be protected, the template is fixed on the surface of the target object by the aid of the membrane frame, the template is fixed on the surface of the target object more stably, and then the protection effect of the template on the object is more stable.

Preferably, the diaphragm plate includes antifriction layer, tempering layer, adhesive linkage and the protective layer that sets gradually from top to bottom.

Through adopting above-mentioned technical scheme, the lamina membranacea is including antifriction layer, tempering layer, adhesive linkage and the protective layer that from top to bottom sets gradually, and the nature of protective layer protection adhesive linkage is stable, and when the lamina membranacea attached in the object surface, the adhesive linkage is fixed in the object surface with the template bonding, and the tempering layer is protected the object, and the antifriction layer makes the lamina membranacea surface smooth simultaneously, improves surface finish.

Preferably, the thickness of the film frame is equal to the sum of the thickness of the antifriction layer and the thickness of the toughened layer.

Through adopting above-mentioned technical scheme, the thickness of membrane frame equals antifriction layer thickness and tempering layer thickness sum, and when the lamina membranacea was fixed in the object surface through the adhesive linkage, the thickness of membrane frame made the bottom surface of membrane frame can be attached to the object surface together with the tempering layer and make the top surface of membrane frame and the top surface of antifriction layer be in same horizontal plane simultaneously for it is more level and more stable when attached in the object surface to lamina membranacea with the membrane frame.

Preferably, the side edge of the protective layer is extended and provided with a first starting membrane.

Through adopting above-mentioned technical scheme, the protective layer side extends and sets up first diaphragm together, before attaching the diaphragm in object surface, gets rid of the protective layer through first diaphragm together, convenient operation, the attached more swift of protection film that is.

Preferably, the membrane frame is an elastic membrane frame, and the membrane frame gradually protrudes upwards from the outer frame to the inner frame.

Through adopting above-mentioned technical scheme, the elastic membrane frame has the frame to the inside casing arch that makes progress gradually, and the vertical cross-section of membrane frame is the curved arcwall face down of two symmetries promptly, and when the lamina membranacea attached in the object surface, the membrane frame has the elastic deformation restoring force of uplift that makes progress for membrane frame department produces the negative pressure, and atmospheric pressure further compresses tightly the membrane frame promptly and is fixed in the object surface, makes the attachment of lamina membranacea in the object surface more stable from this. Meanwhile, the membrane frame has elasticity, and when the membrane plate is impacted, impact force is diffused to the periphery and absorbed by the membrane frame, so that the impact force strength which can be borne by the membrane plate is improved.

Preferably, the inner frame wall of the membrane frame and the outer side wall of the membrane plate are mutually attached and fixedly connected through an acrylate adhesive.

Through adopting above-mentioned technical scheme, use the acrylic ester adhesive with lamina membranacea fixed connection in the membrane frame for the membrane frame is stable with being connected of lamina membranacea.

Preferably, the top of the membrane plate is provided with a shaping layer for stretching the membrane frame to make the membrane frame horizontal.

Through adopting above-mentioned technical scheme, the setting layer is tensile with the membrane frame so that the membrane frame is the horizontality, because the thickness of membrane frame equals the thickness of antifriction layer and the thickness sum on tempering layer, even the top surface that makes the membrane frame is in same horizontal plane and the bottom surface of membrane frame is in same horizontal plane with the bottom surface on tempering layer with the top surface on antifriction layer, be convenient for the attachment of lamina membranacea on the object, when the lamina membranacea is attached in the object surface, the membrane frame can attach in the object surface simultaneously, get rid of the setting layer this moment, the membrane frame can be at the elastic stress of self reconversion down, and produce the negative pressure, make the fixed of the supplementary lamina membranacea of membrane frame through this kind of mode, and is simple to handle.

Preferably, the outline shape and size of the shaping layer are consistent with the outline shape and size of the membrane frame, and the bottom surface of the shaping layer is coated with an adhesive so that the top surface of the membrane frame and the top surface of the membrane plate are fixed on the same horizontal plane.

By adopting the technical scheme, the outline shape and size of the shaping layer are consistent with the outline shape and size of the membrane frame, the bottom surface of the shaping layer is coated with the adhesive, the membrane plate and the membrane frame are fixed on the bottom surface of the shaping layer by the adhesive, and the membrane plate and the membrane frame are fixed on the bottom surface of the shaping layer by the mode, namely, the membrane frame and the membrane plate are positioned on the same horizontal plane.

Preferably, a second starting membrane is arranged on the side edge of the shaping layer in an extending mode.

Through adopting above-mentioned technical scheme, the setting layer side extends and sets up the second and plays the diaphragm, when getting rid of the setting layer, plays the diaphragm through the second and gets rid of the setting layer, and the operation is more swift.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the membrane plate is attached to the surface of an object, negative pressure is generated at the membrane frame, so that the attachment of the membrane plate to the surface of the object is more stable;

2. the membrane frame has elasticity, and when the diaphragm received the impact, the impact force was spread all around and was absorbed by the membrane frame, improves the impact strength that the diaphragm can bear.

Drawings

Fig. 1 is an overall structural view of an embodiment of the present application.

Fig. 2 is a horizontal cross-sectional view of an embodiment of the present application.

Fig. 3 is a sectional view of the film frame in the natural state in the embodiment of the present application.

FIG. 4 is a cross-sectional view of a film frame as it is shaped by a shaping film in an embodiment of the present application.

Description of reference numerals: 1. a diaphragm plate; 11. an anti-friction layer; 12. a toughening layer; 13. an adhesive layer; 14. a protective layer; 141. a first starting membrane; 2. a film frame; 3. a shaping layer; 31. and a second diaphragm.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a protective film, refer to fig. 1 and 2, including lamina membranacea 1 and membrane frame 2, lamina membranacea 1 is the even platelike of thickness, and membrane frame 2 is the frame form that the profile is unanimous with lamina membranacea 1 profile, and membrane frame 2 has interior profile and outline, and the interior profile shape size of lamina membranacea 1 is the same with the inside profile shape size of membrane frame 2, and the outline shape of membrane frame 2 is unanimous with the interior profile shape of membrane frame 2. The diaphragm 1 sets up in membrane frame 2, and the lateral wall of diaphragm 1 hugs closely in the inner wall of membrane frame 2, and diaphragm 1 and membrane frame 2 pass through the acrylate adhesive bonding fixed.

Referring to fig. 1 and 3, the diaphragm plate 1 includes antifriction layer 11, tempering layer 12, adhesive linkage 13 and protective layer 14 that from top to bottom set gradually, the profile shape size of wearing layer 11, tempering layer 12, adhesive linkage 13 and protective layer 14 is the same, wearing layer 11 bonds fixedly with tempering layer 12, adhesive linkage 13 is the AB glue film, protective layer 14 is from the type layer, protective layer 14 passes through adhesive linkage 13 adhesion in tempering layer 12 below, protective layer 14 side extends and is provided with first diaphragm 141 together, first diaphragm 141 and protective layer 14 integrated into one piece.

Referring to fig. 2 and 3, the film frame 2 is gradually protruded upwards from the outer frame to the inner frame, that is, the vertical section of the film frame 2 is two symmetrical downward-bent arc-shaped surfaces, the radian of the vertical section of the film frame 2 is less than pi/2 and the diameter of the film frame 2 is not greater than the thickness of the film frame 2, so that the film frame 2 has a better auxiliary fixing effect on the film plate 1 and simultaneously reduces the influence of the film frame 2 on the normal protection of the film plate 1, the thickness of the film frame 2 is equal to the sum of the thickness of the wear-resistant layer 11 and the thickness of the toughened layer 12, and the inner side wall of the film frame 2 is fixedly bonded with the side wall of the wear-resistant layer. The material of the film frame 2 is an elastomer material, such as rubber or elastic plastic.

Referring to fig. 1 and 4, a shaping layer 3 is arranged above an anti-friction layer 11, the contour shape and size of the shaping layer 3 are the same as the contour shape and size of a film frame 2, an adhesive is coated on the bottom surface of the shaping layer 3 to enable the bottom surface of the shaping layer 3 to have adhesive force, a top surface of an anti-wear layer 11 is tightly attached and adhesively fixed to the shaping layer 3, and meanwhile, a top surface of the film frame 2 is tightly attached and adhesively fixed to the shaping layer 3, so that the top surface of the film plate 1 and the top surface of the film frame 2 are in the same horizontal plane, and the film frame 2 has elasticity and is elastically deformed under the adhesive fixing action of the shaping layer 3, namely, the bottom surface of the film frame 2 and the bottom surface. A second starting membrane 31 extends from the side edge of the shaping layer 3, and the second starting membrane 31 and the shaping layer 3 are integrally formed.

The implementation principle of a protective film in the embodiment of the application is as follows: when the protective film is not used, the film frame 2 is in a horizontal state with the film plate 1 under the shaping effect of the shaping layer 3, when the protective film is used, the protective layer 14 is separated, then the film plate 1 is attached to the surface of an object to be protected, under the adhesion effect of the adhesive layer 13, the film plate 1 is tightly attached to the surface of the object, meanwhile, the bottom surface of the film frame 2 is tightly attached to the surface of the object, at the moment, the shaping layer 3 is separated, the film frame 2 tends to recover to the original shape under the self elastic stress, namely, the film frame 2 tends to bulge in the middle, at the moment, negative pressure is generated at the film frame 2, and under the action of atmospheric pressure, the film frame 2 is fastened to the surface of the object, so that the fixing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A protective film characterized by: the protective film frame comprises a film plate (1) used for protecting the surface of an article and a film frame (2) used for assisting the film plate (1) to be fixed on the surface of the article, the size of the inner outline shape of the film frame (2) is the same as that of the film plate (1), and the film plate (1) is fixed in the film frame (2).

2. A protective film according to claim 1, wherein: the diaphragm plate (1) comprises an anti-friction layer (11), a toughening layer (12), an adhesive layer (13) and a protective layer (14) which are sequentially arranged from top to bottom.

3. A protective film according to claim 2, wherein: the thickness of the membrane frame (2) is equal to the sum of the thickness of the antifriction layer (11) and the thickness of the tempering layer (12).

4. A protective film according to claim 2, wherein: the side edge of the protective layer (14) extends to be provided with a first starting membrane (141).

5. A protective film according to claim 1, wherein: the membrane frame (2) is an elastic membrane frame (2), and the membrane frame (2) gradually protrudes upwards from the outer frame to the inner frame.

6. A protective film according to claim 1, wherein: the inner frame wall of the membrane frame (2) is mutually attached to the outer side wall of the membrane plate (1) and fixedly connected with the outer side wall of the membrane plate through an acrylate adhesive.

7. A protective film according to claim 1, wherein: the top of the membrane plate (1) is provided with a shaping layer (3) for stretching the membrane frame (2) so that the membrane frame (2) is horizontal.

8. A protective film according to claim 7, wherein: the outline shape and size of the shaping layer (3) are consistent with the outline shape and size of the membrane frame (2), and the bottom surface of the shaping layer (3) is coated with a bonding agent so that the top surface of the membrane frame (2) and the top surface of the membrane plate (1) are fixed on the same horizontal plane.

9. A protective film according to claim 7, wherein: and a second starting membrane (31) extends from the side edge of the shaping layer (3).

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