Film pasting device
By designing the elastic movable plate and positioning structure in the film patching device, the problems of device offset and bubble generation when the release film are extracted are solved, and the precise fit and stability of the protective patch are achieved.
Patent Information
- Application Number
- CN202421110751.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-14
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When the existing auxiliary film patching device is pulled away from the release film, the curvature radius of the inverted curved arc portion causes the film patching device to be offset, resulting in inaccurate and unstable position of the protective film patch, and easy to produce bubbles.
A film sticking device is designed, with a positioning space and a guide outlet on the bottom surface, and an elastic movable plate and a U-shaped sectional joint. Through the convex portion of the elastic movable plate and the positioning ear piece and the column, the device is ensured that the device is in Stabilize when extracting the release film to prevent offset.
It realizes the stability of the film sticker when the release film is extracted, ensures the precise fit of the protective tape, and reduces the generation of bubbles.
Smart Images

Figure CN222347393U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a film sticking device, in particular to a device for pulling out a release film without affecting the positioning of a protective sticker, thereby ensuring accurate sticking. Background Art
[0002] Nowadays, screen protectors for electronic devices such as smartphones, tablets, or laptops usually have a release film on their adhesive surface, and an adhesive layer between the screen protector and the release film. After the release film is torn off, the screen protector with the adhesive layer exposed can be pasted on the screen. Since the screen protector needs to be accurately aligned with the phone screen and the hole position when pasting the screen protector, the screen protector can be equipped with an auxiliary film pasting device to help users paste the screen protector by themselves. With the evolution of the design of the auxiliary film pasting device, such as Figure 1 , Figure 2 As shown, the protective film 11 installed in the auxiliary film-sticking device 10 has a release film 12 that is longer than the protective film 11. The release film 12 includes a fitting portion 13, a turning portion 14, and an extension portion 15. The fitting portion 13 is bonded to the adhesive layer 111 of the protective film 11, and the turning portion 14 is between the fitting portion 13 and the extension portion 15. The turning portion 14 is folded back and connected to the extension portion 15 so that the extension portion 15 overlaps with the fitting portion 13, and the extension portion 15 is longer than the protective film 11 and exposes the outer edge of the auxiliary film-sticking device 10. When in use, the protective film 11 on the auxiliary film device 10 is aligned with the screen 2 of the mobile phone 1, and the auxiliary film device 10 is covered on the mobile phone 1, so that the edge of the mobile phone 1 is limited by the auxiliary film device 10, and the protective film 11 is accurately corresponding to the screen 2, and the extension portion 15 is interposed between the screen 2 and the bonding portion 13, and the extension portion 15 protruding from the auxiliary film device 10 is pulled, and the bonding portion 13 is bent, folded, pulled and gradually separated from the protective film 11, and the bonding portion 13 is folded and torn off to generate static electricity to remove dust on the screen, and at the same time, the protective film 11 is bonded to the screen 2. However, since a reverse curvature arc 131 is generated when the bonding portion 13 is bent and folded, different qualities of release films 12 will cause the reverse curvature arc 131 to have different curvature radii. The curvature radius of the reverse curvature arc 131 will lift up the auxiliary film device 10 combined with the protective film 11 to make it separate from the edge of the mobile phone 1. In this way, as the release film 12 is gradually pulled away and the reverse curvature arc 131 is moved away, the auxiliary film device 10 that falls down is prone to position deviation, causing the position of the protective film 11 to be skewed and inaccurate when it is bonded to the screen 2. The unstable bonding makes the exhaust unsatisfactory and generates bubbles, so it is difficult to be practical. Utility Model Content
[0003] The main technology and purpose of the utility model are: the upper surface of the film sticking device is provided with an elastic movable plate corresponding to the protective film, and the reverse bending arc generated by the release film being pulled out can elastically prop up the elastic movable plate, but the film sticking device and the mobile phone still maintain a stable positioning, thereby achieving the effect of ensuring the accurate position of the film sticking.
[0004] According to the above-mentioned purpose of the utility model, there is provided a film sticking device, whose bottom surface is provided with a positioning space for positioning a mobile phone, and the film sticking device is provided with a guide outlet at one edge of the positioning space; the upper surface of the film sticking device is provided with an elastic movable plate, and the edge of the elastic movable plate adjacent to the guide outlet is provided as a connecting edge connected to the film sticking device; the bottom surface of the film sticking device is provided with a positioning sheet, and a protective sticker corresponding to the position of the elastic movable plate can be detachably adhered to the bottom surface of the positioning sheet; a release film can be detachably adhered to the bottom surface of the protective sticker, and the release film includes a fitting portion, a turning portion and an extension portion; the fitting portion is bonded to the protective sticker, the turning portion is between the fitting portion and the extension portion, the turning portion is folded back and connected to the extension portion, so that the extension portion overlaps with the fitting portion, and the extension portion passes through the guide outlet and exposes the outer edge of the film sticking device.
[0005] In an embodiment of the present invention, a convex abutment having a thickness greater than that of the elastic movable plate is disposed at one end of the bottom surface of the elastic movable plate away from the connecting edge, and one end of the protective sticker corresponds to the position of the convex abutment.
[0006] In one embodiment of the utility model, the film sticking device is provided with at least two positioning posts on the periphery of the positioning space, and at least two positioning ears are protruding from the edge of the positioning piece, each of the positioning ears is provided with a positioning hole corresponding to the positioning post, and each of the positioning holes is respectively sleeved on each of the positioning posts.
[0007] In an embodiment of the present invention, a U-shaped slit is provided on the upper surface of the film sticking device, and the slit forms the elastic movable plate on the film sticking device.
[0008] By pulling out the release film, the bent and folded bonding portion can prop up the elastic movable plate to prevent the mold bonding device from accidentally leaving the mobile phone and shifting, thereby achieving the practical effect of accurately bonding the protective sticker and reducing the generation of bubbles. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 For existing stereograms;
[0010] Figure 2 A schematic cross-sectional view showing a conventional film being lifted off a mobile phone;
[0011] Figure 3 This is a three-dimensional exploded view of the utility model combined with a mobile phone;
[0012] Figure 4 It is a bottom perspective exploded view of the utility model;
[0013] Figure 5 It is a side cross-sectional schematic diagram of pulling out the release film of the utility model.
[0014] In the figure:
[0015] 1 mobile phone; 2 screen; 10 auxiliary film-sticking device; 11 protective film; 111 adhesive layer; 12 release film; 13 laminating portion; 131 reverse bending arc portion; 14 turning portion; 15 extension portion; 20 film-sticking device; 201 positioning column; 202 slit; 203 connecting edge; 21 positioning space; 22 guide outlet; 23 elastic movable plate; 231 convex abutment portion; 24 positioning sheet; 241 positioning ear sheet; 242 positioning hole; 25 protective film; 26 release film; 261 laminating portion; 262 turning portion; 263 extension portion; 264 reverse bending arc portion. DETAILED DESCRIPTION
[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
[0017] See also Figures 3 to 5As shown, a film sticking device 20 is provided in a rectangular shape, and a positioning space 21 for positioning a mobile phone 1 is provided on its bottom surface. The film sticking device 20 is provided with a guide outlet 22 at one edge of the positioning space 21, and at least two positioning posts 201 are provided on the periphery of the positioning space 21; the upper surface of the film sticking device 20 is provided with a U-shaped slit 202 along its periphery, so that a rectangular elastic movable plate 23 is formed on the film sticking device 20, and the elastic movable plate 23 is adjacent to the guide outlet 22. The edge of the outlet 22 is formed into a connecting edge 203 and is integrally connected to the film sticking device 20, and a convex portion 231 having a thickness greater than that of the elastic movable plate 23 is provided at one end of the bottom surface of the elastic movable plate 23 away from the connecting edge 203; the bottom surface of the film sticking device 20 is provided with a positioning piece 24, and at least two positioning ears 241 are protruded from the edge of the positioning piece 24, and each of the positioning ears 241 is respectively provided with a positioning hole 242 corresponding to the positioning column 201, and each of the positioning holes 242 is respectively sleeved on each of the positioning posts 201. The positioning post 242 is disposed on the bottom surface of the positioning sheet 24; and a protective sticker 25 corresponding to the position of the elastic movable plate 23 can be detachably attached to the bottom surface of the positioning sheet 24, and one end of the protective sticker 25 corresponds to the position of the convex portion 231; a release film 26 can be detachably attached to the bottom surface of the protective sticker 25, and the release film 26 includes a fitting portion 261, a turning portion 262 and an extension portion 263; the fitting portion 261 is bonded to the protective sticker 25, and the turning portion 262 is between the fitting portion 261 and the extension portion The turning portion 262 is folded back and connected to the extending portion 263, so that the extending portion 263 is overlapped with the fitting portion 261, and the extending portion 263 passes through the guide outlet 22 and exposes the outer edge of the film-sticking device 20; by means of the above device, the release film 26 is pulled out so that the bent and folded fitting portion 261 can prop up and lift the elastic movable plate 23, thereby preventing the mold-sticking device 20 from accidentally detaching from the mobile phone 1 and shifting, thereby achieving the practical effect of accurately fitting the protective film 25 and reducing the generation of bubbles.
[0018] The composition, function and effect of the above embodiment are described in detail as follows: Figures 3 to 5 As shown, the film sticking device 20 of the present invention is made of, but not limited to, plastic material; the protective sticker 25 is made of, but not limited to, scratch-resistant and wear-resistant tempered glass or plastic sheet material; the release film 26 is a film sheet made of, but not limited to, plastic material, and the fitting portion 261, the turning portion 262 and the extension portion 263 are integrally formed or formed by bonding multiple pieces.
[0019] When in use, the mobile phone 1 is placed flatly and covered with the positioning space 21 of the mold-applying device 20 so that the protective film 25 corresponds to the screen 2 of the mobile phone 1. The user then pulls the extension portion 263 exposed at the outer edge of the film-applying device 20 with his fingers. At this time, the fitting portion 261 is bent and folded from the turning portion 262 and pulled to gradually separate from the protective film 25. The fitting portion 261 is bent and folded to form a reverse bending arc portion 264 (such as Figure 5 As shown in FIG. 1 , the curvature radius of the reverse-bend arc 264 can prop up the elastic movable plate 23, but the mold-attaching device 20 still firmly positions the mobile phone 1. In other words, the positioning space 21 will not separate from the edge of the mobile phone 1, causing the position of the protective sticker 25 to shift. As the release film 26 is gradually withdrawn, the reverse-bend arc 264 gradually moves away from the front end of the protective sticker 25. The protective sticker 25 will use the reverse-bend arc 264 as a fulcrum to make its front end fall close to the screen 2 of the mobile phone 1. At the same time, the elastic plate 23 propped up by the reverse-bend arc 264 will be The movable plate 23 elastically returns to its original shape as the reverse curved portion 264 moves away, and the convex portion 231 is pressed against the front end of the protective sticker 25 by the elastic force. In this way, it can be ensured that the protective sticker 25 is attached to the screen 2 from its front end. When the release film 26 is completely pulled away from the protective sticker 25 and begins to diffuse and adhere to other parts of the screen 2 and cover the protective sticker 25, the protective sticker 25 can be accurately attached to the screen 2, thereby achieving the effect of precise fitting and easy gas discharge without easy generation of bubbles.
[0020] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.
Claims
1. A film sticking device, characterized in that: The bottom surface of the film sticking device has a positioning space for positioning a mobile phone, and the film sticking device is provided with a guide outlet at one edge of the positioning space; An elastic movable plate is provided on the upper surface of the film sticking device, and the edge of the elastic movable plate adjacent to the outlet is provided to form a connecting edge to be connected to the film sticking device; A positioning sheet is arranged on the bottom surface of the film sticking device, and a protective sticker corresponding to the position of the elastic movable plate can be detachably attached to the bottom surface of the positioning sheet; A release film is detachably attached to the bottom surface of the protective film, and the release film includes a bonding portion, a turning portion, and an extending portion; The bonding portion is bonded to the protective sticker, the turning portion is between the bonding portion and the extension portion, the turning portion is folded back and connected to the extension portion, so that the extension portion overlaps the bonding portion, and the extension portion passes through the guide outlet and exposes the outer edge of the film device.
2. The film sticking device according to claim 1, characterized in that: A convex abutment portion having a thickness greater than that of the elastic movable plate is disposed at one end of the bottom surface of the elastic movable plate away from the connecting edge, and one end of the protective sticker corresponds to the position of the convex abutment portion.
3. The film sticking device according to claim 1, characterized in that: The film sticking device is provided with at least two positioning posts on the periphery of the positioning space, and at least two positioning ears are protruding from the edge of the positioning piece, each of the positioning ears is provided with a positioning hole corresponding to the positioning post, and each of the positioning holes is respectively sleeved on each of the positioning posts.
4. The film sticking device according to claim 1, characterized in that: A U-shaped slit is provided on the upper surface of the film sticking device, and the slit forms the elastic movable plate on the film sticking device.