Mobile phone film pasting device
By introducing a positioning frame, rolling assembly, and spring sheet into the mobile phone screen protector applicator, the problem of decreased positioning accuracy in existing screen protector applicators is solved, achieving high-accuracy screen protector application and reducing production costs. It is suitable for different mobile phone sizes.
Patent Information
- Application Number
- CN202520725185.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-04-16
AI Technical Summary
Existing screen protector applicators suffer from decreased positioning accuracy after prolonged use, resulting in misaligned application of the protective film. Furthermore, the size-based positioning method has a narrow applicability or increases production costs.
A mobile phone screen protector applicator was designed, comprising a positioning frame, a rolling assembly, a centering component, a slider, and a spring. The centering component connects to the mobile phone's power interface, the slider and spring work together to achieve precise positioning of the mobile phone, and the rolling assembly applies the protective film to the screen. The spring has excellent elastic deformation capability, ensuring positioning accuracy after multiple uses.
It achieves a high accuracy rate in screen protector application even after multiple uses, avoiding positioning deviations, reducing production costs, and adapting to different phone sizes.
Smart Images

Figure CN223935071U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screen protector technology, specifically to a mobile phone screen protector applicator. Background Technology
[0002] Due to frequent mobile phone use, screens are prone to getting dirty or even scratched. To avoid this, users typically choose to apply screen protectors. Currently, some convenient screen protector applicators are available on the market. These applicators have structures to hold the screen protector in place and position the phone. The principle is to ensure the screen protector is aligned correctly with the phone screen before applying it downwards. This device significantly increases accuracy compared to manual application. However, the positioning structure on existing applicators can become fatigued after prolonged use, leading to positioning deviations and resulting in misaligned screen protectors. Furthermore, to improve positioning accuracy, most current applicators use a 1:1 mold based on the phone size or apply positioning pads according to the phone's dimensions. The former has a limited applicability, while the latter increases production costs. Utility Model Content
[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a mobile phone screen protector applicator, which can solve the problem of decreased accuracy of screen protector application after prolonged use of existing mobile phone screen protector tools.
[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a mobile phone screen protector applicator is provided, including a positioning frame and a rolling assembly slidably connected to the positioning frame. The rolling assembly is used to adhere the mobile phone screen protector to the mobile phone screen. The positioning frame is provided with a screen protector groove, and a centering member and a slider are respectively provided at opposite ends of the screen protector groove. The centering member is used to connect with the power interface of the mobile phone. The slider is slidably connected to the inner wall of the screen protector groove. The slider is provided with two spring pieces, which are arranged opposite each other in a direction perpendicular to the sliding direction of the slider. A first fixing member and a second fixing member are respectively provided on the positioning frame and the slider. Both the first fixing member and the second fixing member are used to connect with the mobile phone screen protector.
[0005] As a further improvement to the above technical solution, the inner wall of the film-applying groove is provided with two guide strips, which are arranged opposite each other in a direction perpendicular to the sliding direction of the slider. The side wall of the slider is provided with two connecting parts, which are slidably connected to the two guide strips respectively.
[0006] The guide bar has a groove on its inner side, and the slider has a snap-fit protrusion on its side wall. The snap-fit protrusion is clearance-fitted with the groove and interference-fitted with the guide bar.
[0007] As a further improvement to the above technical solution, two locking protrusions are provided, and the two locking protrusions are arranged along the sliding direction of the slider.
[0008] As a further improvement to the above technical solution, the spring includes a first arm and a second arm connected at the ends, the other end of the first arm is connected to the slider, and the length of the first arm is less than the distance from the side button of the mobile phone to the top of the mobile phone.
[0009] As a further improvement to the above technical solution, the first arm and the second arm are connected in a V-shape.
[0010] As a further improvement to the above technical solution, the second arm is tilted inward by 25°-50°.
[0011] As a further improvement to the above technical solution, the centering component includes a connecting block and an insertion part. The edge of the film-applying groove is provided with an extension opening. The connecting block is fixedly connected to the inner wall of the extension opening and is clearance-fitted with the extension opening.
[0012] As a further improvement to the above technical solution, the inner wall of the extension port is provided with a connecting strip, the connecting strip is lower than the extension port, and the connecting block is stepped and connected to the connecting strip.
[0013] As a further improvement to the above technical solution, the rolling assembly includes a movable plate and rollers, the movable plate being slidably connected to the positioning frame, and the rollers being rotatably mounted on the movable plate.
[0014] As a further improvement to the above technical solution, it also includes a mobile phone film, which includes a positioning film, a protective film and a release paper stacked in sequence, with the two ends of the positioning film connected to the first fixing member and the second fixing member, respectively.
[0015] The beneficial effects of this utility model are as follows: The mobile phone is placed in the screen protector slot, and the centering component is inserted into the phone's power interface. Since the power interface is located in the center of the bottom of the phone, the centering component can initially position the phone. Then, the slider is slid towards the phone, connecting the slider and the centering component to both ends of the phone to position the two ends. The phone is held between two spring clips, which position the corners of the phone. The screen protector is then connected to the first fixing component and the fixing component, with the screen protector facing the phone screen. The rolling component rolls the screen protector downwards, applying it to the phone screen. This screen protector applicator achieves phone positioning through the coordinated arrangement of spring clips, sliders, and the centering component. The spring clips have excellent elastic deformation capabilities and can return to their original shape after multiple uses, ensuring positioning accuracy and screen protector application accuracy. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] Figure 1 This is a schematic diagram of the structure of the mobile phone screen protector provided in a preferred embodiment of the present invention;
[0018] Figure 2 This is a schematic diagram of the mobile phone screen protector applicator provided in a preferred embodiment of the present invention during the application of the screen protector;
[0019] Figure 3 This is a schematic diagram of the structure of the rolling assembly provided in a preferred embodiment of the present invention;
[0020] Figure 4 This is a schematic diagram of the positioning frame and slider provided in a preferred embodiment of the present invention;
[0021] Figure 5 yes Figure 4 Enlarged view of section A;
[0022] Figure 6 This is an exploded view of the slider and part of the positioning frame provided in a preferred embodiment of the present invention.
[0023] Reference numerals: 1. Positioning frame; 2. Rolling assembly; 3. Screen protector; 4. Mobile phone.
[0024] 11. Film application groove; 12. Centering component; 13. Slider; 14. Spring; 15. First fixing component; 16. Second fixing component; 21. Moving plate; 22. Roller; 31. Positioning film; 32. Protective film; 33. Release paper.
[0025] 111. Guide bar; 112. Groove; 113. Extension opening; 114. Connecting bar; 121. Connecting block; 122. Insertion part; 131. Connecting part; 132. Snap-fit protrusion; 141. First arm; 142. Second arm; 151. Hook; 161. Connecting post; 311. Connecting hole. Detailed Implementation
[0026] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / connections involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / fixed installations can use screw connections, bolt connections, pin connections, key connections, adhesive connections, mortise and tenon connections, welding, riveting, etc., as needed. For detachable connections, screw connections, bolt connections, threaded connections, snap-fit connections, mortise and tenon connections, Velcro connections, etc., can be used as needed. The various technical features in this utility model can be combined interactively without contradicting each other.
[0027] Please see Figure 1-6 A preferred embodiment of this utility model provides a mobile phone screen protector applicator, including a positioning frame 1, a rolling assembly 2 slidably connected to the positioning frame 1, and a mobile phone screen protector 3. The rolling assembly 2 is used to adhere the mobile phone screen protector 3 to the screen of a mobile phone 4. The positioning frame 1 allows the mobile phone screen protector 3 and the screen of the mobile phone 4 to be positioned facing each other. The mobile phone screen protector 3 includes a positioning film 31, a protective film 32, and a release paper 33 stacked in sequence. The positioning film 31 is used to connect to the positioning frame 1 to assist in applying the screen protector. The protective film 32 is used to adhere to the mobile phone. The release paper 33 serves to isolate and protect the screen protector 32, preventing it from sticking together during storage or transportation.
[0028] Specifically, the positioning frame 1 is provided with a screen protector groove 11. At opposite ends of the screen protector groove 11 are a centering component 12 and a slider 13, respectively. The centering component 12 is used to connect to the power interface of the mobile phone. The slider 13 is slidably connected to the inner wall of the screen protector groove 11. The slider 13 is provided with two spring pieces 14, which are arranged opposite each other in a direction perpendicular to the sliding direction of the slider 13. The positioning frame 1 and the slider 13 are respectively provided with a first fixing component 15 and a second fixing component 16, both of which are used to connect to the screen protector 3. When the mobile phone 4 is placed in the screen protector groove 11 and the centering component 12 is inserted into the power interface of the mobile phone 4, the centering component 12 can initially position the mobile phone 4, since the power interface of the mobile phone 4 is located in the middle of the bottom of the mobile phone 4. Then, slide slider 13 towards the direction of phone 4, so that slider 13 and centering member 12 are respectively connected to both ends of phone 4 to position both ends of phone 4. Phone 4 is held between two spring pieces 14, which can position the corners of both sides of phone 4. Then, peel off release paper 33 and connect both ends of positioning film 31 to first fixing member 15 and second fixing member 16 respectively. At this time, the screen protector 3 is facing the screen of phone 4. Rolling component 2 rolls downward to stick the screen protector 3 onto the screen of phone 4. This screen protector applicator achieves positioning of the phone through the cooperation of spring piece 14, slider 13 and centering member 12. Spring piece 14 has excellent elastic deformation ability and can return to its original shape after multiple uses, ensuring positioning accuracy and screen protector application accuracy.
[0029] In this embodiment, the first fixing member 15 includes two hooks 151, the second fixing member 16 includes two connecting posts 161, and both ends of the positioning film 31 are provided with connecting holes 311. The two ends of the positioning film 31 can be detachably connected to the hooks 151 and the connecting posts 161 respectively through the connecting holes 311, which is convenient to use.
[0030] Furthermore, the inner wall of the film application groove 11 is provided with two guide strips 111, which are arranged opposite each other in a direction perpendicular to the sliding direction of the slider 13. The side wall of the slider 13 is provided with two connecting parts 131, which are slidably connected to the two guide strips 111 respectively. The inner side of the guide strips 111 is provided with a groove 112, and the side wall of the slider 13 is also provided with a snap-fit protrusion 132. The snap-fit protrusion 132 is clearance-fitted with the groove 112 and interference-fitted with the guide strip 111. In the natural state, the snap-fit protrusion 132 is located in the groove 112. Due to the clearance fit between the two, the connecting part 131 can move relative to the guide strip 111. When applying the film, the slider 13 is slid, causing the snap-fit protrusion 132 to slide out from the edge of the groove 112 and snap onto the guide strip 111 to prevent the slider 13 from shifting back and forth and to ensure the positioning effect.
[0031] In this embodiment, two snap-fit protrusions 132 are provided. The two snap-fit protrusions 132 are arranged along the sliding direction of the slider 13. The two snap-fit protrusions 132 can slide out from both sides of the groove 112 to accommodate mobile phones of different lengths.
[0032] The spring 14 includes a first arm 141 and a second arm 142 connected at one end. The other end of the first arm 141 is connected to the slider 13, and the length of the first arm 141 is less than the distance from the side button of the phone to the top of the phone. When applying the screen protector, the edge of the slider 13 and the two first arms 141 form a U-shaped groove, and the top of the phone is engaged in the U-shaped groove. This setting can ensure that the spring 14 does not contact the side button of the phone, thus preventing damage to the phone.
[0033] In this embodiment, the first arm 141 and the second arm 142 are connected in a V-shape. The V-shape allows the first arm 141 and the second arm 142 to fit together completely under compression, occupying little space and providing sufficient elasticity within a limited space. The second arm 142 is tilted inward at 25°-50°, and the outer corners of the phone are chamfered. This design allows the second arm 142 to fit more closely with the outer corners of the phone during the sliding of the slider 13, preventing the spring piece 14 from popping out.
[0034] The centering component 12 includes a connecting block 121 and a plug-in part 122. The edge of the film-applying groove 11 is provided with an extension opening 113. The connecting block 121 is fixedly connected to the inner wall of the extension opening 113 and is clearance-fitted with the extension opening 113. The plug-in part 122 is used to insert into the power interface. The connecting block 121 can swing up and down in the extension opening 113 to adapt to mobile phones of different thicknesses.
[0035] The inner wall of the extension opening 113 is provided with a connecting strip 114. The connecting strip 114 is lower than the extension opening 113. The connecting block 121 is stepped and connected to the connecting strip 114. This arrangement is used to disperse stress concentration points, avoid stress acting directly on the root of the connecting block 121, and transfer the stress area to the connecting strip 114, thereby enhancing the rigidity and fatigue resistance of the entire centering component 12.
[0036] Please see Figure 3 The rolling assembly 2 includes a movable plate 21 and a roller 22. The movable plate 21 is slidably connected to the positioning frame 1. The roller 22 is rotatably mounted on the movable plate 21. During the sliding of the movable plate 21, the roller 22 can rotate relative to the movable plate 21 and roll on the mobile phone film 3, so that the mobile phone film 3 can be adhered to the screen of the mobile phone 4 in all places, so as to reduce the generation of air bubbles.
[0037] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.
Claims
1. A mobile phone screen protector applicator, characterized in that: The device includes a positioning frame and a rolling assembly slidably connected to the positioning frame. The rolling assembly is used to adhere the screen protector to the phone screen. The positioning frame has a screen protector groove, and a centering component and a slider are respectively provided at opposite ends of the screen protector groove. The centering component is used to connect to the power interface of the phone. The slider is slidably connected to the inner wall of the screen protector groove. The slider is provided with two spring pieces, which are arranged opposite each other in a direction perpendicular to the sliding direction of the slider. The positioning frame and the slider are respectively provided with a first fixing component and a second fixing component, both of which are used to connect to the screen protector.
2. The mobile phone screen protector applicator according to claim 1, characterized in that: The inner wall of the film-applying groove is provided with two guide strips, which are arranged opposite each other in a direction perpendicular to the sliding direction of the slider. The side wall of the slider is provided with two connecting parts, which are slidably connected to the two guide strips respectively. The guide bar has a groove on its inner side, and the slider has a snap-fit protrusion on its side wall. The snap-fit protrusion is clearance-fitted with the groove and interference-fitted with the guide bar.
3. The mobile phone screen protector applicator according to claim 2, characterized in that: Two locking protrusions are provided, and the two locking protrusions are arranged along the sliding direction of the slider.
4. The mobile phone screen protector applicator according to claim 1, characterized in that: The spring includes a first arm and a second arm connected at one end. The other end of the first arm is connected to the slider, and the length of the first arm is less than the distance from the side button of the phone to the top of the phone.
5. The mobile phone screen protector applicator according to claim 4, characterized in that: The first arm and the second arm are connected in a V-shape.
6. The mobile phone screen protector applicator according to claim 4, characterized in that: The second arm is tilted inward at 25°-50°.
7. The mobile phone screen protector applicator according to claim 1, characterized in that: The centering component includes a connecting block and an insertion part. The edge of the film-applying groove is provided with an extension opening. The connecting block is fixedly connected to the inner wall of the extension opening and is clearance-fitted with the extension opening.
8. The mobile phone screen protector applicator according to claim 7, characterized in that: The inner wall of the extension opening is provided with a connecting strip, the connecting strip is lower than the extension opening, and the connecting block is stepped and connected to the connecting strip.
9. The mobile phone screen protector applicator according to claim 1, characterized in that: The rolling assembly includes a movable plate and rollers. The movable plate is slidably connected to the positioning frame, and the rollers are rotatably mounted on the movable plate.
10. The mobile phone screen protector applicator according to any one of claims 1-9, characterized in that: It also includes a mobile phone film, which comprises a positioning film, a protective film and a release paper stacked in sequence, with the two ends of the positioning film connected to the first fixing member and the second fixing member, respectively.