Roller type film pasting bin
By designing a roller-type film application compartment, the release film can be simultaneously separated and pressed using the binding of the top cover and the pull strap. This solves the problems of complex operation and large space requirements in the existing technology, and improves the convenience and accuracy of film application.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-07
AI Technical Summary
Existing film application devices require separate gripping of the pull belt during operation to separate and press the release film. The pull belt has a large pulling span and requires a large operating space, making it difficult to achieve synchronous operation.
A roller-type film applicator was designed. By rotating the top cover and binding the pull strap, the release film can be separated and pressed simultaneously, shortening the pulling span of the pull strap and reducing the space required for operation.
It achieves simultaneous separation and pressing of release film, simplifies operation steps, reduces space requirements, and improves the convenience and accuracy of film application.
Smart Images

Figure CN224090524U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of film applicator technology, and in particular to a roller-type film applicator compartment. Background Technology
[0002] Tempered glass screen protectors are a type of mobile phone screen protector, a high-end new product offering the strongest protection for your screen. This protective layer is only 0.6 mm thick, completely covering the original screen surface to prevent damage and scratches from external forces. It also boasts significantly increased impact absorption, exceeding the standards of PET film by many times, without affecting the screen's video quality. Therefore, it is highly popular among users.
[0003] However, while tempered glass screen protectors are easier to apply than regular soft adhesive screen protectors, they still require some skill, especially in positioning the protector. This relies entirely on visual inspection and experience; an incorrect angle will directly affect the application, sometimes requiring the protector to be removed and repositioned, a process that can easily damage the protector. Therefore, to facilitate quick and accurate application, some screen protector application tools have emerged, such as the replaceable screen protector assembly disclosed in patent number CN202420156027.9, and a screen protector application device and its upper cover assembly disclosed in patent number CN202123114782.6. Both prior patents include a pull strap for pulling the release liner, but this pull strap has the following problems:
[0004] First, both require the operator to hold the pull strap separately and pull it outwards to detach the release film before the pressing can be performed; they cannot be done simultaneously.
[0005] Secondly, the length of the release film must be matched by the length of the pull belt, which requires pulling the pull belt horizontally outward by the same distance. This results in a larger span for the finishing operation and a greater control space for pulling the pull belt. Utility Model Content
[0006] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a roller-type film applicator that can simultaneously separate the release film and the pressing film, and whose pulling span does not need to be too large.
[0007] To achieve the above objectives, the present invention adopts the following technical solution:
[0008] A roller-type film applicator includes:
[0009] A tempered glass screen protector assembly includes a tempered glass screen protector, a pull strap, a holding sheet, and a release film for protecting the adhesive surface of the tempered glass screen protector. One end of the pull strap is connected to one end of the release film via a bend, so that the pull strap is stacked on the lower end face of the release film. The other end of the pull strap is provided with a through-hole extending beyond the edge of the release film. The through-hole has at least one crease and a hanging hole at its end. The upper end face of the release film is attached to the adhesive surface of the tempered glass screen protector. The other end face of the tempered glass screen protector opposite the adhesive surface is adhered to the holding sheet. Both ends of the holding sheet are provided with extensions, and each extension is provided with an insertion hole. The number of insertion holes on at least one extension is at least two.
[0010] The compartment includes a frame and a top cover. The top cover can be fitted onto the frame and slide horizontally along the frame. The frame is provided with a slot for placing a mobile phone. The frame is provided with limiting posts around the slot for interlocking with insertion holes. The bottom surface of the top cover is provided with a self-rotating pressure roller. The end of the top cover away from the pressure roller is provided with a first crossbeam. Oppositely, the frame is provided with a second crossbeam below the first crossbeam. The inner side of the second crossbeam is provided with a locking hook for interlocking with a hanging hole.
[0011] The tempered glass film assembly is placed on the frame, with the holding sheet on the outermost layer of the frame and the pull strap at the bottom. The pull strap passes through the bottom of the second crossbeam and rolls up to pass through the top of the first crossbeam. The end of the pull strap relies on the crease to form a lock hook and a hanging hole. The limiting post is inserted into the corresponding insertion hole.
[0012] Preferably, the frame is provided with sliding grooves on both sides, and a slot is provided at one end of the sliding groove. A shaft protrusion is provided on the inner side of the side of the top cover. A first notch is provided in the sliding groove relative to the slot. The shaft protrusion is inserted into the sliding groove through the first notch and placed in the slot.
[0013] When the axial protrusion is placed in the groove, the top cover can be flipped over using the axial protrusion as a rotation fulcrum, and the depth of the groove must meet the requirement that the axial protrusion can be dislodged from the groove under the action of external force.
[0014] Preferably, a guide protrusion is provided on the inner side of the side of the top cover, and a second notch is provided at the corresponding position of the slide groove relative to the guide protrusion, and the guide protrusion is inserted into the slide groove through the second notch.
[0015] Preferably, the pressing roller shaft is a soft rubber roller shaft.
[0016] Preferably, the placement groove is provided with a slope near the groove opening of the pressing roller shaft, and the top of the slope is level with the groove opening of the placement groove.
[0017] Preferably, the groove of the placement slot is further provided with at least one finger position that can accommodate the insertion of a finger.
[0018] By adopting the above solution, this utility model directly binds the pressing film of the top cover with the pulling of the pull strap, so that the top cover moves while pulling the pull strap, and the pull strap pulls the release film open at the same time, thereby achieving simultaneous release film separation and pressing film; at the same time, the pull strap is set on the locking hook by turning around once, and the pull strap is moved by pushing the first crossbeam of the top cover, so that the part of the pull strap pulled out forms a fold, reducing the required span of the pull strap by half, effectively reducing the operating space required for the pull strap. Attached Figure Description
[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.
[0020] Figure 2 This is a schematic diagram of the structure of the tempered glass film assembly according to an embodiment of the present invention.
[0021] Figure 3 This is a schematic diagram of the structure of the hopper body according to an embodiment of the present utility model.
[0022] Figure 4 This is a schematic diagram of the frame structure of an embodiment of the present utility model. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0024] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0026] like Figures 1 to 4 As shown, this embodiment provides a roller-type film applicator, comprising:
[0027] A tempered glass screen protector assembly 1 includes a tempered glass screen protector 11, a pull strap 12, a holding sheet 13, and a release film 14 for protecting the adhesive surface of the tempered glass screen protector 11. One end of the pull strap 12 is connected to one end of the release film 14 via a bending portion 15, so that the pull strap 12 is stacked on the lower end surface of the release film 14. The other end of the pull strap 12 is provided with a through portion 16 extending beyond the edge of the release film 14. The through portion 16 is provided with at least one crease 17 and a hanging hole 18 at its end. The upper end surface of the release film 14 is attached to the adhesive surface of the tempered glass screen protector 11. The other end surface of the tempered glass screen protector 11 is adhered to the holding sheet 13 relative to the adhesive surface. Both ends of the holding sheet 13 are provided with extension portions 19, and each extension portion 19 is provided with an insertion hole 101. The number of insertion holes 101 on at least one extension portion 19 is at least two.
[0028] The compartment 2 includes a frame 21 and a top cover 22. The top cover 22 can cover the frame 21 and slide horizontally along the frame 21. The frame 21 is provided with a mounting slot 23 for placing a mobile phone 3. The frame 21 is provided with a limiting post 24 around the mounting slot 23 for interlocking with the insertion hole 101. The bottom surface of the top cover 22 is provided with a self-rotating pressing roller shaft 25. The end of the top cover 22 away from the pressing roller shaft 25 is provided with a first crossbeam 26. Correspondingly, the frame 21 is provided with a second crossbeam 27 below the first crossbeam 26. The inner side of the second crossbeam 27 is provided with a locking hook 28 for interlocking with the hanging hole 18.
[0029] The tempered glass film assembly 1 is placed on the frame 21, with the holding sheet 13 placed on the outermost layer of the frame 21 and the pull strap 12 located at the bottom. The through part 16 of the pull strap 12 passes through the bottom of the second crossbeam 27 and rolls up to pass through the top of the first crossbeam 26. The end of the through part 16 relies on the crease 17 to make the locking hook 28 and the hanging hole 18 interlock. The limiting post 24 is inserted into the corresponding through hole 101.
[0030] In this embodiment, the pressing film of the top cover 22 is directly bound to the pulling of the pull strap 12, so that the top cover 22 moves while pulling the pull strap 12, and the pull strap 12 pulls the release film 14 open at the same time, so that the separation of the release film 14 and the pressing film are carried out simultaneously. At the same time, the pull strap 12 is set on the locking hook 28 by turning around once, and the pull strap is moved by pushing the first crossbeam 26 of the top cover 22, so that the required span of the pull strap 12 is reduced by half, effectively reducing the operating space required for the pull strap 12. That is, half of the pull strap 12 is above the first crossbeam 26 and the other half is below the first crossbeam 26. In this way, it is not necessary to unfold the pull strap 12 flat, and there is no need for a length of the same length as the pull strap 12.
[0031] When applying a screen protector to a specific phone, the procedure is as follows:
[0032] First, place the phone 3 in the mounting slot 23 of the frame 21, with the screen of the phone 3 facing upwards;
[0033] The second step is to place the tempered glass film assembly 1 on the frame 21, that is, to insert the insertion holes 101 into the corresponding limiting posts 24, and then let the through part 16 of the pull strap 12 pass through the bottom of the second crossbeam 27.
[0034] The third step involves placing the top cover 22 onto the frame 21, then rolling up the through part 16 that was originally below the second crossbeam 27. When it rolls up to the first crossbeam 26 at the top cover 22, it rolls down so that the through part 16 passes through the gap between the first crossbeam 26 and the top cover 22. After passing through, the end of the through part 16 is bent along the crease 17 so that the hanging hole 18 and the locking hook 28 are connected, making the through part 16 unable to be restored. At this time, the first crossbeam 16 is placed in the circle formed by the through part 16.
[0035] The fourth step is to push and pull the top cover 22 so that the top cover 22 moves horizontally along the frame 21. When it moves, the first crossbeam 26 will push the through part 16 (pull belt 2), which will cause the release film 14 to separate. The pressing roller 25 will also press the film, and the whole process is completed. The operation of separating and pressing the film at the same time is completed. After the push is completed, the application of the tempered film 11 is completed.
[0036] Fifth step: After the tempered glass screen protector 11 is applied, remove the top cover 22, then peel the holder 13 off the tempered glass screen protector 11, and take the phone 3 out of the mounting slot 23 to complete the entire screen protector application process.
[0037] Furthermore, regarding the specific assembly structure of the top cover 22 and the frame 21, this embodiment specifically provides sliding grooves 29 on both sides of the frame 21, and a slot 201 is provided at one end of the sliding groove 29. A shaft protrusion 202 is provided on the inner side of the side of the top cover 22. A first notch 203 is provided in the sliding groove 29 relative to the slot 201. The shaft protrusion 202 is inserted into the sliding groove 29 through the first notch 203 and placed in the slot 201.
[0038] When the axial protrusion 202 is placed in the slot 201, the top cover 22 can be flipped using the axial protrusion 202 as a rotation fulcrum. The depth of the slot 201 must be sufficient to allow the axial protrusion 202 to disengage from the slot 201 under external force. With this configuration, during assembly, the top cover 22 can be directly placed in the slot 201 (by default, the axial protrusion 202 is already in the slot 201 at the factory). This allows the top cover 22 to be flipped when placing the phone, exposing the upper surface of the frame 21 for easy placement of the phone and tempered glass screen protector assembly 1. When the top cover 22 is pushed, after it is closed onto the frame 21, external force is applied to it. The elasticity of the material (e.g., plastic) and the depth of the slot (generally around 2mm) allow the axial protrusion to disengage from the slot during pushing.
[0039] Furthermore, in order to provide a corresponding sliding limiting function, a guide protrusion 203 is provided on the inner side of the side of the top cover 22 in this embodiment. A second notch 204 is provided at the corresponding position of the sliding groove 29 relative to the guide protrusion 203. The guide protrusion 203 is inserted into the sliding groove 29 through the second notch 204. In this way, when the guide protrusion 203 is inserted, it forms a guiding limiting function with the sliding groove 29, thereby facilitating the subsequent pushing of the top cover.
[0040] Furthermore, in order to make the film pressing more compact, the film pressing roller 25 in this embodiment is a soft rubber roller. In terms of design, the mounting groove 23 is made slightly higher, that is, the screen of the mobile phone is higher. When the film pressing roller 25 passes through, it will force the film pressing roller 25 to undergo elastic deformation, so as to achieve a more compact film application effect.
[0041] Furthermore, to facilitate the smooth introduction of the pressing roller shaft 25 into the groove of the placement groove 23, a ramp 205 is provided in the placement groove 23 near the groove of the pressing roller shaft 25 in this embodiment, and the top of the ramp 205 is level with the groove of the placement groove 23.
[0042] Furthermore, to facilitate the insertion of a finger, at least one finger position 206 is provided at the opening of the mounting slot 23. This finger position 206 makes it easier for the user to grip the phone 3 and pry the phone 3 out of the mounting slot 23.
[0043] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A roller-type film applicator, characterized in that: include: A tempered glass screen protector assembly includes a tempered glass screen protector, a pull strap, a holding sheet, and a release film for protecting the adhesive surface of the tempered glass screen protector. One end of the pull strap is connected to one end of the release film via a bend, so that the pull strap is stacked on the lower end face of the release film. The other end of the pull strap is provided with a through-hole extending beyond the edge of the release film. The through-hole has at least one crease and a hanging hole at its end. The upper end face of the release film is attached to the adhesive surface of the tempered glass screen protector. The other end face of the tempered glass screen protector opposite the adhesive surface is adhered to the holding sheet. Both ends of the holding sheet are provided with extensions, and each extension is provided with an insertion hole. The number of insertion holes on at least one extension is at least two. The compartment includes a frame and a top cover. The top cover can be fitted onto the frame and slide horizontally along the frame. The frame is provided with a slot for placing a mobile phone. The frame is provided with limiting posts around the slot for interlocking with insertion holes. The bottom surface of the top cover is provided with a self-rotating pressure roller. The end of the top cover away from the pressure roller is provided with a first crossbeam. Oppositely, the frame is provided with a second crossbeam below the first crossbeam. The inner side of the second crossbeam is provided with a locking hook for interlocking with a hanging hole. The tempered glass film assembly is placed on the frame, with the holding sheet on the outermost layer of the frame and the pull strap at the bottom. The pull strap passes through the bottom of the second crossbeam and rolls up to pass through the top of the first crossbeam. The end of the pull strap relies on the crease to form a lock hook and a hanging hole. The limiting post is inserted into the corresponding insertion hole.
2. The roller-type film applicator as described in claim 1, characterized in that: The frame is provided with sliding grooves on both sides, and a slot is provided at one end of the sliding groove. A shaft protrusion is provided on the inner side of the side of the top cover. A first notch is provided in the sliding groove relative to the slot. The shaft protrusion is inserted into the sliding groove through the first notch and placed in the slot. When the axial protrusion is placed in the groove, the top cover can be flipped over using the axial protrusion as a rotation fulcrum, and the depth of the groove must meet the requirement that the axial protrusion can be dislodged from the groove under the action of external force.
3. The roller-type film applicator as described in claim 2, characterized in that: The inner side of the top cover is also provided with a guide protrusion, and the slide groove is provided with a second notch at the corresponding position of the guide protrusion, and the guide protrusion is inserted into the slide groove through the second notch.
4. The roller-type film applicator as described in claim 3, characterized in that: The pressing roller shaft is a soft rubber roller shaft.
5. A roller-type film applicator as described in claim 4, characterized in that: The placement groove is provided with a slope near the groove opening of the pressing roller shaft, and the top of the slope is level with the groove opening of the placement groove.
6. A roller-type film applicator as described in claim 5, characterized in that: The groove of the placement slot is also provided with at least one finger position that can accommodate the insertion of a finger.
Citation Information
Patent Citations
Film pasting device and upper cover assembly of film pasting device
CN216941813U
Replaceable film pasting assembly
CN222452664U