Dust-free film pasting device

By designing components such as limit edges, positioning posts, elastic adhesive foam, and film positioning sheets in the film applicator, a closed space and a tilted protective film structure are formed, which solves the problem of dust and bubble emissions during the film application process and achieves dust-free film application. and good film effect.

CN222361150UActive Publication Date: 2025-01-17DONGGUAN PINJIA TECH CO LTD
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Patent Information

Application Number
CN202420568476.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-01-17
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

During the filming process, existing film stickers are prone to dust, dandruff and other debris falling on the screen, and the exhaust effect is not good, resulting in poor filming effect.

Method used

A dust-free film applicator is designed, which uses components such as limit edges, positioning columns, elastic viscous foam, and film positioning sheets to form a closed space to prevent dust from entering, and the elastic viscous foam keeps the protective film tilted. , bubbles are automatically discharged.

Benefits of technology

It achieves a dust-free environment during the film application process, improves the film application effect and efficiency, and reduces the possibility of debris entering.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dust-free film pasting device which comprises a film pasting body and a film pasting assembly, the bottom face of the film pasting body is a plane, the film pasting body comprises two limiting edges, and the two limiting edges define a limiting space used for containing electronic equipment. The positioning column is arranged at one end of the film pasting main body and is used for fixing the film pasting assembly; the elastic viscous foam is adhered to the other end of the film main body; the film pasting assembly comprises a film positioning piece, one end of the film positioning piece is fixedly arranged on the positioning column, the other end of the film positioning piece is fixedly arranged on the elastic viscous foam, and the film positioning piece is in an inclined state. The film positioning sheet fixes the film assembly on the bottom surface of the film pasting device, and the two limiting edges form a limiting space, so that a relatively closed space is formed between the screen of the electronic equipment and the bottom surface of the film pasting device, dust is not easy to enter, and a dust-free environment in the film pasting process is ensured. The protective film is kept in an inclined state in the film pasting process through the foam, bubbles generated in the film pasting process are automatically extruded and discharged, and the film pasting effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of film sticking devices, in particular to a dust-free film sticking device. Background Art

[0002] Electronic devices such as smart phones have developed rapidly in recent years, and the demand for film has also increased rapidly. Protective film can effectively prevent scratches on the screen of electronic devices. Therefore, the work of applying film to the screen of electronic devices becomes very important. The cost of protective film for electronic devices on the market is relatively low, but the cost of film is very expensive compared to electronic device film. Most users do not have a lot of experience in film application, and they are prone to failure in the process of manual film application, resulting in unnecessary waste. Therefore, users will try to use a film applicator to assist in film application, but most of the film applicators can only play the role of positioning the protective film. Dust, dandruff and other debris are likely to fall on the screen during the film application process, and the exhaust effect is not good during the film application process. Utility Model Content

[0003] In order to overcome the problem that dust is easily trapped in the film applicator in the prior art when the film is being applied, the utility model provides a dust-free film applicator.

[0004] The following is the specific technical solution of the utility model:

[0005] A dust-free film sticking device comprises a film sticking body and a film sticking assembly, wherein the bottom surface of the film sticking body is a plane, and the film sticking body comprises:

[0006] There are two limiting edges, which are arranged on both sides of the film body respectively. The first limiting rib plate and the second limiting rib plate are respectively protrudingly arranged at both ends of each limiting edge. The first limiting rib plate, the second limiting rib plate and the limiting edge form a U-shaped structure. The bottom of the first limiting rib plate is provided with a drawing groove. The two limiting edges enclose a limiting space for accommodating electronic equipment;

[0007] A positioning column is arranged in the middle of one end of the film body and is used to fix the film assembly;

[0008] The elastic sticky foam is adhered to the middle of the other end of the film body relative to the positioning column, and the top of the elastic sticky foam is sticky. The top of the elastic sticky foam can be torn off and connected to the foam release film;

[0009] The film sticking assembly includes a film positioning piece, one end of which is fixedly arranged on the positioning column, and the other end is fixedly arranged on the elastic and sticky foam. The film positioning piece is in an inclined state, and one end of the film positioning piece located on the elastic and sticky foam is higher than the other end located on the positioning column.

[0010] Furthermore, the film sticking assembly also includes a protective film that can be torn off and fixedly connected to the top of the film positioning sheet, a release film that can be torn off and fixedly connected to the top of the protective film, and a pull strip that is fixedly connected to the release film.

[0011] Furthermore, a release connecting portion is protrudingly provided at one end of the release film, a pull rod connecting portion is protrudingly provided at one end of the pull rod, a fixing glue is fixedly connected to the release connecting portion, and the fixing glue is fixedly connected to one end of the pull rod.

[0012] Furthermore, the pull strip includes a pulling portion protruding from the outside of the film body, the pulling portion is located at the other end thereof opposite to the position where the fixing glue is located, and the pulling portion extends from the pull-out groove to the outside of the film body.

[0013] As a preferred embodiment, two positioning posts are provided, and the shapes of the two positioning posts are inconsistent; one end of the membrane positioning sheet is integrally connected with a positioning portion, and the positioning portion is provided with two positioning holes, and the shapes of the two positioning holes are respectively consistent with the shapes of the two positioning posts.

[0014] The positioning column and the second limiting rib are located at the same end of the film body.

[0015] Furthermore, two vacant positions are formed between the two limiting edges, and the positioning portion passes through one of the vacant positions.

[0016] Furthermore, positioning blocks are respectively arranged on both sides of the limiting space close to the limiting edge to limit the position of the film sticking assembly.

[0017] Furthermore, a plurality of positioning blocks are respectively arranged on both sides of the limiting space, and positioning block avoidance positions are arranged between adjacent positioning blocks on the same side.

[0018] Furthermore, a foam groove is provided on the bottom surface of the film body for accommodating the elastic sticky foam to help the user identify the position for pasting the elastic sticky foam.

[0019] Furthermore, a key avoiding space is arranged on at least one of the limiting edges.

[0020] Furthermore, a recessed groove is arranged on the outer side of the limiting edge, and the recessed groove has an arc.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model fixes the film assembly on the bottom surface of the film applicator through the film positioning sheet, forms a limiting space through two limiting edges, and when in use, the film applicator is turned upside down on the electronic device screen to form a relatively closed space between the electronic device screen and the bottom surface of the film applicator, so that dust is not easy to enter, ensuring a dust-free environment during the film application process. By setting the elastic sticky foam, the protective film is kept in an inclined state during the film application process, so that the bubbles generated during the film application process are automatically squeezed out, and the film application effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are intended to further illustrate the contents of the present invention and constitute a part of the specification. Together with the following embodiments, they are used to explain the present invention but should not constitute a limitation to the present invention.

[0024] In the attached picture:

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the film assembly of the utility model after installation;

[0027] Figure 3 This is a schematic diagram of the exploded structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the main structure of the film of the utility model;

[0029] Figure 5 This is a state diagram used in the present utility model. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1 , 2 As shown in , 3, the utility model discloses a dust-free film sticking device, including a film sticking body 1 and a film sticking assembly 2, the bottom surface of the film sticking body 1 is a plane, and the film sticking body 1 includes:

[0034] There are two limiting edges 3, which are arranged on both sides of the film body 1 respectively. The first limiting rib plate 31 and the second limiting rib plate 32 are respectively protrudingly arranged at both ends of each limiting edge 3. The first limiting rib plate 31, the second limiting rib plate 32 and the limiting edge 3 form a U-shaped structure. The bottom of the first limiting rib plate 31 is provided with a drawing groove 33. The two limiting edges 3 enclose a limiting space 7 for accommodating an electronic device 6;

[0035] A positioning column 4 is arranged in the middle of one end of the film body 1 and is used to fix the film assembly 2;

[0036] The elastic sticky foam 5 is adhered to the middle of the other end of the film body 1 relative to the positioning column 4, and the top of the elastic sticky foam 5 is sticky. The top of the elastic sticky foam 5 can be torn off and connected to the foam release film;

[0037] The film sticking assembly 2 includes a film positioning piece 21, one end of the film positioning piece 21 is fixedly arranged on the positioning column 4, and the other end is fixedly arranged on the elastic and sticky foam 5, and the film positioning piece 21 is in an inclined state, and one end of the film positioning piece 21 located on the elastic and sticky foam 5 is higher than the other end located on the positioning column 4.

[0038] Specifically, the electronic device 6 may be an electronic device with a screen, such as a mobile phone, a tablet, or a game console.

[0039] Furthermore, the film sticking assembly 2 further comprises a protective film 22 which is tearably fixedly connected to the film positioning sheet 21 , a release film 23 which is tearably fixedly connected to the protective film 22 , and a pull strip 24 which is fixedly connected to the release film 23 .

[0040] Furthermore, a release connecting portion 231 is protrudingly provided at one end of the release film 23 , a pull rod connecting portion 242 is protrudingly provided at one end of the pull rod 24 , a fixing glue 232 is fixedly connected to the release connecting portion 231 , and the fixing glue 232 is fixedly connected to the release connecting portion 231 .

[0041] Furthermore, the pull strip 24 includes a pulling portion 241 protruding from the outside of the film body 1 , the pulling portion 241 is located at the other end thereof opposite to the release connecting portion 231 , and the pulling portion 241 extends from the pulling groove 33 to the outside of the film body 1 .

[0042] As a preferred embodiment, two positioning posts 4 are provided, and the shapes of the two positioning posts 4 are inconsistent; one end of the membrane positioning piece 21 is integrally connected with a positioning portion 211, and the positioning portion 211 is provided with two positioning holes 212, and the shapes of the two positioning holes 212 are respectively consistent with the shapes of the two positioning posts 4.

[0043] By setting the two positioning posts and the positioning holes to have different shapes, when the positioning holes can just fit on the positioning posts, it means that the protective film is placed in the correct direction, which is convenient for user operation.

[0044] The positioning column 4 and the second limiting rib 32 are located at the same end of the film body 1 .

[0045] Furthermore, two vacant positions 34 are formed between the two limiting edges 3 , and the positioning portion 211 passes through one of the vacant positions 34 .

[0046] Furthermore, positioning blocks 8 are respectively provided on both sides of the limiting space 7 close to the limiting edge 3 to limit the position of the film sticking assembly 2 .

[0047] Since the protective film is usually smaller than the outline of the electronic device, providing a positioning block can better locate the position of the film assembly 2.

[0048] Furthermore, a plurality of positioning blocks 8 are respectively arranged on both sides of the limiting space 7 , and positioning block avoidance positions 81 are arranged between adjacent positioning blocks 8 on the same side.

[0049] The positioning block avoidance position 81 is provided to facilitate the user to take out the film sticking component for adjustment when placing it.

[0050] Furthermore, a foam groove 11 is provided on the bottom surface of the film body 1 for accommodating the elastic and sticky foam 5 to help the user identify the position for pasting the elastic and sticky foam 5 .

[0051] Specifically, a key avoiding space 35 is provided on at least one of the limiting edges 3 .

[0052] Specifically, a concave groove 36 is arranged on the outer side of the limiting edge 3, and the concave groove 36 has an arc.

[0053] The recessed groove is provided to facilitate user gripping, and the recessed groove is provided with an arc shape for better hand feel.

[0054] When the utility model is in use, the elastic sticky foam 5 is firstly pasted on the bottom surface of the film body, and then the film assembly 2 is installed on the film body 1, so that the positioning part 211 of the film positioning sheet 21 is fixed on the positioning column 4, and the other end of the film positioning sheet is fixed on the elastic sticky foam 5, so that the film assembly is kept tilted, and the pulling part 241 of the film assembly passes through the pull-out groove 33, and then the installed film applicator is turned upside down on the screen of the electronic device. At this time, the film applicator is located above the electronic device, and then the pulling part 241 is pulled to separate the release film from the protective film, and the film applicator is pressed to make the protective film close to the screen of the electronic device, and finally the electronic device is taken out, and the film positioning sheet 21 is torn off, and the film application operation is completed.

[0055] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A dust-free film applicator, comprising a film applicator body (1) and a film applicator assembly (2), characterized in that: The bottom surface of the film body (1) is a plane, and the film body (1) comprises: Two limiting edges (3) are provided, and are arranged on both sides of the film body (1), respectively; a first limiting rib plate (31) and a second limiting rib plate (32) are respectively provided at two ends of each limiting edge (3); the first limiting rib plate (31), the second limiting rib plate (32) and the limiting edge (3) form a U-shaped structure; a drawing groove (33) is provided at the bottom of the first limiting rib plate (31); and the two limiting edges (3) enclose a limiting space (7) for accommodating an electronic device (6); A positioning column (4) is arranged in the middle of one end of the film sticking body (1) and is used to fix the film sticking assembly (2); The elastic sticky foam (5) is adhered to the middle of the other end of the film body (1) relative to the positioning column (4), and the top of the foam is sticky; The film sticking assembly (2) comprises a film positioning sheet (21), one end of the film positioning sheet (21) is fixedly arranged on the positioning column (4), and the other end is fixedly arranged on the elastic and sticky foam (5), and the film positioning sheet (21) is in an inclined state, and one end of the film positioning sheet (21) located on the elastic and sticky foam (5) is higher than the other end located on the positioning column (4).

2. The dust-free film applicator according to claim 1, characterized in that: The film sticking assembly (2) further comprises a protective film (22) which is tearably fixedly connected to the top of the film positioning sheet (21), a release film (23) which is tearably fixedly connected to the top of the protective film (22), and a pull strip (24) which is fixedly connected to the release film (23).

3. The dust-free film applicator according to claim 2, characterized in that: A release connecting portion (231) is protrudingly provided at one end of the release film (23), a pull rod connecting portion (242) is protrudingly provided at one end of the pull rod, a fixing glue (232) is fixedly connected to the release connecting portion (231), and the fixing glue (232) is fixedly connected to the release connecting portion (231).

4. The dust-free film applicator according to claim 3, characterized in that: The pull strip (24) comprises a pulling portion (241) protruding from the outside of the film body (1), the pulling portion (241) being located at the other end thereof opposite to the release connection portion (231), and the pulling portion (241) extending from the pull-out groove (33) to the outside of the film body (1).

5. The dust-free film applicator according to claim 1, characterized in that: Two positioning posts (4) are provided, and the shapes of the two positioning posts (4) are inconsistent; one end of the membrane positioning sheet (21) is integrally connected with a positioning portion (211), and the positioning portion (211) is provided with two positioning holes (212), and the shapes of the two positioning holes (212) are respectively consistent with the shapes of the two positioning posts (4).

6. The dust-free film applicator according to claim 5, characterized in that: Two vacant positions (34) are formed between the two limiting edges (3), and the positioning portion (211) passes through one of the vacant positions (34).

7. The dust-free film applicator according to claim 1, characterized in that: Positioning blocks (8) are respectively arranged on both sides of the limiting space (7) close to the limiting edge (3) to limit the position of the film sticking assembly (2).

8. The dust-free film applicator according to claim 7, characterized in that: A plurality of positioning blocks (8) are respectively arranged on both sides of the limiting space (7), and adjacent positioning blocks (8) on the same side are provided with positioning block avoidance positions (81).

9. The dust-free film applicator according to claim 1, characterized in that: A foam groove (11) is provided on the bottom surface of the film body (1) for accommodating the elastic and sticky foam (5).

10. The dust-free film applicator according to claim 1, characterized in that: A recessed groove (36) is provided on the outer side of the limiting edge (3), and the recessed groove (36) has an arc.