A film pasting device

By designing a film application device that includes a dust removal roller, a film pressing roller, and a film taking-up roller, the problems of dust affecting aesthetics and complex operation are solved, achieving an efficient and simplified film application process that is adaptable to different equipment sizes.

CN114919165BActive Publication Date: 2025-11-25SHENZHEN BASEUS TECH CO LTD
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Patent Information

Application Number
CN202210451555.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-04-27
Publication Date
2025-11-25
Estimated Expiration
2042-04-27

AI Technical Summary

Technical Problem

Existing film application devices suffer from problems such as dust affecting aesthetics, complex and cumbersome operation, and a tendency to generate air bubbles during film application.

Method used

A screen protector application device was designed, comprising a dust removal roller, a film pressing roller, and a film rewinding roller. Through a transmission connection, dust removal, pressing, and rewinding of the screen protector are achieved, simplifying the operation process.

Benefits of technology

It improves the aesthetics of the film application, prevents air bubbles, simplifies the application process, increases application efficiency, and is compatible with different device sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a film pasting device, which comprises a connecting seat assembly, a film pressing roller, a film collecting roller and a dust removing roller, the dust removing roller, the film pressing roller and the film collecting roller are rotatably connected to the connecting seat assembly, along the moving direction of the film pasting device relative to a film pasting equipment, the dust removing roller is located at the front side of the connecting seat assembly, the film pressing roller is located at the rear side of the connecting seat assembly, and the film pressing roller or the dust removing roller is drivingly connected to the film collecting roller, so that the film pressing roller or the dust removing roller drives the film collecting roller to rotate when the film pressing roller or the dust removing roller rotates. Based on the film pasting device, the dust removing roller removes dust on the film pasting equipment, the film pressing roller presses the screen protection film to prevent bubble generation, and the film collecting roller winds the adhesive protection film through the cooperation among the film pressing roller, the film collecting roller and the dust removing roller. The three rollers rotate together, so that the film pasting step is simplified and the film pasting efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of film pasting, and particularly relates to a film pasting device. BACKGROUND

[0002] The film pasting device is used for pasting a film on electronic devices such as mobile phones, iPads and game consoles. In life, in order to improve the work efficiency of people, people use the film pasting device to operate, and place the device to be pasted into the film pasting device to paste the film.

[0003] With the continuous development of science and technology, the manufacturing process requirements of the film pasting device are also getting higher and higher. The existing film pasting device has the following defects: firstly, dust exists on the device to be pasted when the film is pasted by using the film pasting device, which affects the appearance of the film. Secondly, the complete film pasting process needs to clean the surface of the device to be pasted, then tear the adhesive protective film on the screen protection film, and then paste the screen protection film on the device to be pasted. The process is complicated, the operation is complex, and the time cost is wasted. Thirdly, air bubbles are easily generated when the screen protection film is adhered to the device to be pasted. SUMMARY

[0004] In order to overcome the defects of the prior art, the application provides a film pasting device, which has the functions of pasting, collecting and dust removing at the same time, simplifies the film pasting steps, and improves the film pasting efficiency.

[0005] The technical scheme is specifically implemented as follows:

[0006] A film pasting device comprises a connecting seat assembly, a film pressing roller, a film collecting roller and a dust removing roller. The dust removing roller is rotatably connected to the connecting seat assembly to remove dust on the surface of the device to be pasted. The film pressing roller is rotatably connected to the connecting seat assembly to press the screen protection film to adhere to the device to be pasted. The film collecting roller is rotatably connected to the connecting seat assembly to roll up and store the adhesive protective film separated from the screen protection film.

[0007] Along the moving direction of the film pasting device relative to the device to be pasted, the dust removing roller is located on the front side of the connecting seat assembly, the film pressing roller is located on the rear side of the connecting seat assembly, and the film pressing roller or the dust removing roller is drivingly connected to the film collecting roller, so that the film pressing roller or the dust removing roller drives the film collecting roller to rotate when the film pressing roller or the dust removing roller rotates.

[0008] In one specific embodiment, the film collecting roller is located above the dust removing roller and the film pressing roller, and the film collecting roller, the dust removing roller and the film pressing roller are combined to form a triangular structure.

[0009] In one specific embodiment, the connecting seat assembly comprises a first connecting seat and a second connecting seat, the first connecting seat and / or the second connecting seat is provided with a transmission assembly, the film pressing roller or the dust removing roller is drivingly connected to the film collecting roller through the transmission assembly.

[0010] In one specific embodiment, the transmission assembly is located in the first connecting seat, the transmission assembly comprises at least two gears in sequence, the gear at the front end is connected to the dust removing roller, the gear at the tail end is connected to the film collecting roller, and the dust removing roller and the film collecting roller are drivingly connected through the gears in sequence.

[0011] In one specific embodiment, the at least two gears in sequence comprise a first gear, a second gear, a third gear and a fourth gear in sequence,

[0012] the dust removing roller penetrates into the interior of the first connecting seat and is connected to the first gear, the film collecting roller penetrates into the interior of the first connecting seat and is connected to the fourth gear, and the dust removing roller and the film collecting roller are drivingly connected through the first gear, the second gear, the third gear and the fourth gear in sequence.

[0013] In one specific embodiment, the second connecting seat is provided with a limiting assembly away from one side of the first connecting seat, the end of each of the film pressing roller, the film collecting roller and the dust removing roller penetrates through the second connecting seat, and the limiting assembly is connected to the end of one of the film pressing roller, the dust removing roller and the film collecting roller.

[0014] In one specific embodiment, the limiting assembly comprises a knob and a rotating shaft,

[0015] the knob abuts against the second connecting seat for limiting the position of the second connecting seat;

[0016] one end of the rotating shaft is connected to the inner wall of the knob, and the other end of the rotating shaft is rotatably connected to the film pressing roller for adjusting the limiting position of the knob to the second connecting seat.

[0017] In one specific embodiment, the side surface of the rotating shaft is provided with external threads, the inner wall of the film pressing roller is provided with internal threads, and the external threads on the rotating shaft are coupled with the internal threads on the film pressing roller.

[0018] In one specific embodiment, the limiting assembly further comprises a push plate and a spring, the push plate and the spring are sleeved on the rotating shaft and located in the interior of the knob.

[0019] One end of the spring is connected to the inner wall of the knob, and the other end of the spring presses the push plate, and the push plate abuts against the film pressing roller.

[0020] In one specific embodiment, a dust cover is further included, which is located above the film pressing roller, the film collecting roller and the dust removing roller, and is detachably connected to the connecting seat assembly.

[0021] The present application has at least the following advantages:

[0022] The present application provides a film pasting device, which removes dust on the surface of the device to be pasted with film through the dust removing roller, thereby improving the appearance of the pasted film. The film pressing roller is provided to press the screen protection film to adhere to the device to be pasted with film, thereby preventing air bubbles from being generated during the film pasting process. The film collecting roller is provided to wind the adhesive protection film separated from the screen protection film. Furthermore, the dust removing roller, the film pressing roller and the film collecting roller are all rotatably connected to the connecting seat assembly, and the dust removing roller or the film pressing roller is drivingly connected to the film collecting roller, so that the user can drive the film collecting roller to rotate by rotating the dust removing roller or the film pressing roller, thereby simplifying the film pasting steps, reducing the film pasting time of the user and improving the film pasting efficiency of the user.

[0023] Further, the knob abutting against the second connecting seat is provided, so as to limit the second connecting seat. The rotating shaft connected to the knob is provided, so as to adjust the limiting position of the second connecting seat by the knob, thereby changing the distance between the second connecting seat and the first connecting seat, so as to realize the advantage that the film pasting device is suitable for different types and different sizes of the device to be pasted with film.

[0024] Further, the dust cover is provided, so that the film pasting device is in a relatively sealed space during use, thereby solving the problem that dust falls on the device to be pasted with film again after the dust removing roller sticks to the dust, thereby affecting the appearance of the pasted film. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 It is a perspective view of the film pasting device of the embodiment of the present application;

[0027] Figure 2 It is an exploded view of the film pasting device of the embodiment of the present application;

[0028] Figure 3A perspective view of the dustproof cover of the film pasting device according to an embodiment of the present application;

[0029] Figure 4 A sectional view of the film pasting device according to an embodiment of the present application;

[0030] Figure 5 A perspective view of the second shell and the dustproof cover of the film pasting device according to an embodiment of the present application;

[0031] Figure 6 An exploded view of the second connecting seat of the film pasting device according to an embodiment of the present application;

[0032] Figure 7 An exploded view of the first connecting seat of the film pasting device according to an embodiment of the present application.

[0033] Reference signs:

[0034] 1 - first connecting seat; 2 - second connecting seat; 3 - film pressing roller; 4 - film collecting roller; 5 - dust removing roller;

[0035] 6 - dustproof cover; 7 - roller locking piece; 8 - adhesive layer; 9 - soft cushion layer;

[0036] 10 - limiting assembly;

[0037] 11 - transmission assembly; 13 - first shell; 14 - second shell; 15 - protruding column;

[0038] 111 - first gear; 112 - second gear; 113 - third gear; 114 - fourth gear;

[0039] 131 - first through hole; 132 - second through hole; 133 - third through hole;

[0040] 101 - knob piece; 102 - rotating shaft; 103 - push plate; 104 - spring; 105 - decorative piece;

[0041] 221 - fourth through hole; 222 - fifth through hole; 223 - sixth through hole. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0043] As Figure 1 , 2As shown in the drawings, a film pasting device comprises a connecting seat assembly, a film pressing roller 3, a film collecting roller 4 and a dust removing roller 5. The dust removing roller 5 is rotatably connected to the connecting seat assembly to remove dust on the surface of the device to be pasted with film. The film pressing roller 3 is rotatably connected to the connecting seat assembly to press the screen protection film to adhere to the device to be pasted with film. The film collecting roller 4 is rotatably connected to the connecting seat assembly to roll up and store the adhesive protection film separated from the screen protection film. In the moving direction of the film pasting device relative to the device to be pasted with film, the dust removing roller 5 is located at the front side of the connecting seat assembly, the film pressing roller 3 is located at the rear side of the connecting seat assembly, and the film pressing roller 3 or the dust removing roller 5 is drivingly connected to the film collecting roller 4 to drive the film collecting roller 4 to rotate when the film pressing roller 3 or the dust removing roller 5 rotates. Compared with the prior art, the film pasting device removes dust on the surface of the device to be pasted with film through the dust removing roller 5, thereby improving the appearance of the pasted film. The film pressing roller 3 presses the screen protection film, thereby preventing air bubbles from being generated. The film collecting roller 4 rolls up the adhesive protection film separated from the screen protection film. Meanwhile, the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5 can be rotatable together to simplify the film pasting steps, reduce the film pasting time of the user and improve the film pasting efficiency of the user.

[0044] In the embodiment, the radius of the film pressing roller 3 is greater than the radius of the film collecting roller 4 and the radius of the dust removing roller 5. In the moving direction of the film pasting device relative to the device to be pasted with film, the dust removing roller 5 is located at the front side of the connecting seat assembly, the film pressing roller 3 is located at the rear side of the connecting seat assembly, and the film pressing roller 3 and the dust removing roller 5 can be in contact with the device to be pasted with film. The film collecting roller 4 is arranged above the dust removing roller 5, and the film pressing roller 3, the dust removing roller 5 and the film collecting roller 4 are combined to form a triangular structure.

[0045] As shown in the drawings, Figure 2 , 3 The connecting seat assembly comprises a first connecting seat 1 and a second connecting seat 2. The film pressing roller 3, the film collecting roller 4 and the dust removing roller 5 are arranged between the first connecting seat 1 and the second connecting seat 2. One end of each of the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5 is rotatably connected to the first connecting seat 1, and the other end of each of the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5 is rotatably connected to the second connecting seat 2. The first connecting seat 1 and / or the second connecting seat 2 is provided with a transmission assembly 11. The film pressing roller 3 or the dust removing roller 5 is drivingly connected to the film collecting roller 4 through the transmission assembly 11.

[0046] In the embodiment, the first connecting seat 1 is internally provided with the transmission assembly 11. The dust removing roller 5 is drivingly connected to the film collecting roller 4 through the transmission assembly 11.

[0047] In one embodiment, the first connecting seat 1 is internally provided with the transmission assembly 11. The film pressing roller 3 is drivingly connected to the film collecting roller 4 through the transmission assembly 11.

[0048] In another embodiment, the interior of the first connecting seat 1 and the interior of the second connecting seat 2 are each provided with a transmission assembly 11, and the dust-removing roller 5 is drivingly connected to the film-receiving roller 4 through the transmission assembly 11.

[0049] In another embodiment, the interior of the first connecting seat 1 and the interior of the second connecting seat 2 are each provided with a transmission assembly 11, and the film-pressing roller 3 is drivingly connected to the film-receiving roller 4 through the transmission assembly 11.

[0050] Specifically, as shown in Figure 2 , 5 , the transmission assembly 11 includes at least two gears that are sequentially engaged, the gear at the leading end is connected to the dust-removing roller 5, and the gear at the trailing end is connected to the film-receiving roller 4, and the dust-removing roller 5 and the film-receiving roller 4 are drivingly connected through the gears that are engaged.

[0051] In this embodiment, the at least two gears that are sequentially engaged include a first gear 111, a second gear 112, a third gear 113, and a fourth gear 114 that are sequentially engaged, the first gear 111, the second gear 112, the third gear 113, and the fourth gear 114 are arranged in the interior of the first connecting seat 1, and the dust-removing roller 5 penetrates into the interior of the first connecting seat 1 and is connected to the first gear 111, and the film-receiving roller 4 penetrates into the interior of the first connecting seat 1 and is connected to the fourth gear 114. The dust-removing roller 5 and the film-receiving roller 4 are drivingly connected through the first gear 111, the second gear 112, the third gear 113, and the fourth gear 114 that are sequentially engaged, so as to drive the first gear 111 to rotate when the dust-removing roller 5 rolls on the device for applying the screen protection film, the first gear 111 drives the second gear 112 to rotate, the second gear 112 drives the third gear 113 to rotate, and the third gear 113 drives the fourth gear 114 to rotate, thereby driving the film-receiving roller 4 connected to the fourth gear 114 to rotate. When the film-receiving roller 4 rotates, the adhesive protection film on the screen protection film is rolled up and stored on the surface of the film-receiving roller 4. The arrangement of the four gears makes full use of the interior space of the first connecting seat 1, thereby reducing the waste of space.

[0052] In another embodiment, the at least two gears that are sequentially engaged include a first gear 111 and a second gear 112, the dust-removing roller 5 penetrates into the interior of the first connecting seat 1 and is connected to the first gear 111, and the film-receiving roller 4 penetrates into the interior of the first connecting seat 1 and is connected to the second gear 112, and the first gear 111 and the second gear 112 are engaged with each other.

[0053] As shown in Figure 2 , 7 , the first connecting seat 1 includes a first housing 13 and a second housing 14, and the transmission assembly 11 is arranged between the first housing 13 and the second housing 14, and the first housing 13 and the second housing 14 can be connected in a snap-fit manner, welded, threadedly connected, or the like.

[0054] In the embodiment, the first shell 13 and the second shell 14 are connected by snap fit.

[0055] In other embodiments, the first shell 13 and the second shell 14 can be connected by welding, threading, etc.

[0056] Specifically, as shown in Figure 2 、 5 , the first shell 13 is provided with a first through hole 131, a second through hole 132, and a third through hole 133. The end of the film pressing roller 3 is rotatably connected to the first shell 13 through the first through hole 131. The end of the film collecting roller 4 is connected to the fourth gear 114 through the second through hole 132. The end of the dust removing roller 5 is connected to the first gear 111 through the third through hole 133. The first shell 13 or the second shell 14 is provided with a protruding column 15. The second gear 112 and the third gear 113 are sleeved on the protruding column 15. The first gear 111, the second gear 112, the third gear 113, and the fourth gear 114 are in meshing sequence.

[0057] As shown in Figure 2 、 6 , the second connecting seat 2 is provided with a limiting assembly 10 away from the side of the first connecting seat 1. The ends of the film pressing roller 3, the film collecting roller 4, and the dust removing roller 5 all pass through the second connecting seat 2. The limiting assembly 10 is connected to the end of one of the film pressing roller 3, the film collecting roller 4, and the dust removing roller 5, for limiting the position of the second connecting seat. Specifically, the second connecting seat 2 can advance or retreat relative to the first connecting seat 1. Moving the second connecting seat 2 makes the distance between the second connecting seat 2 and the first connecting seat 1 the same as the width or length of the device to be pasted with film. Adjusting the limiting assembly 10 limits the position of the second connecting seat 2.

[0058] In the embodiment, the limiting assembly 10 is connected to the film pressing roller 3.

[0059] Specifically, the second connecting seat 2 is provided with a fourth through hole 221, a fifth through hole 222, and a sixth through hole 223. The end of the film pressing roller 3 is rotatably connected to the second connecting seat 2 through the fourth through hole 221. The end of the film collecting roller 4 is rotatably connected to the second connecting seat 2 through the fifth through hole 222. The end of the dust removing roller 5 is rotatably connected to the second connecting seat 2 through the sixth through hole 223. The second connecting seat 2 can move on the film pressing roller 3, the film collecting roller 4, and the dust removing roller 5. The limiting assembly 10 is connected to the end of the film pressing roller 3 passing through the second connecting seat 2, for limiting the position of the second connecting seat 2 relative to the first connecting seat 1, so that the distance between the first connecting seat 1 and the second connecting seat 2 is consistent with the width or length of the device to be pasted with film.

[0060] As Figure 2 , 4 , 6 shows, the limiting assembly 10 includes knob 101 and shaft 102, knob 101 is close to the surface of the first connecting seat 1 and is abutted to the second connecting seat 2, for limiting the position of the second connecting seat 2. One end of the shaft 102 is connected to the inner wall of the knob 101, the other end of the shaft 102 is rotatably connected to the film pressing roller 3, for adjusting the limiting position of the knob 101 to the second connecting seat 2. Specifically, the second connecting seat 2 can be moved to a suitable distance from the first connecting seat 1 on the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5, and then the position of the second connecting seat 2 is limited by rotating the knob 101 and the shaft 102, so as to realize the limiting when the device to be pasted is placed in the pasting device.

[0061] Wherein, the side surface of the shaft 102 exposed to the knob 101 is provided with external threads, the inner wall of the film pressing roller 3 is provided with internal threads, and the external threads on the shaft 102 are coupled with the internal threads on the film pressing roller 3. Specifically, after adjusting the position of the second connecting seat 2, the knob 101 limits the second connecting seat 2 after adjusting the position by rotating the knob 101 and the shaft 102, so as to realize the advantage that the pasting device is suitable for different types and different sizes of the device to be pasted.

[0062] As Figure 1 , 2 , 4, 6 shows, the limiting assembly 10 further includes a push plate 103 and a spring 104, the push plate 103 and the spring 104 are sleeved on the shaft 102 and located in the knob 101. One end of the spring 104 presses the inner wall of the knob 101, and the other end of the spring 104 presses the push plate 103. The spring 104 and the push plate 103 are located in the knob 101, the spring 104 always presses the push plate 103 to press the film pressing roller 3, so that the rotating connection between the shaft 102 and the film pressing roller 3 is more closely, so that the knob 101 will not loosen and will not rotate to change the limiting position of the second connecting seat 2.

[0063] In this embodiment, the radius of the shaft 102 located in the knob 101 is smaller than the radius of the shaft 102 exposed to the knob 101, and the push plate 103 is sleeved on the shaft 102 located in the knob 101. The outer surface of the knob 101 is also provided with a decorative lamp to increase the product appearance.

[0064] As Figure 1 , 2 shown, the pasting device provided by the application further comprises a dust cover 6, the dust cover 6 is located above the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5, and the dust cover 6 is detachably connected to the connecting seat assembly. The dust cover 6 is provided with an elongated passage, which can be used for the screen protection film which has not been adhered to the device to be pasted to pass out from the passage.

[0065] In this embodiment, the dust cover 6 is detachably connected to the first connecting seat 1 and the second connecting seat 2. The dust cover 6 solves the problem of dust falling during film application. The dust removal roller 5 can pick up the dust, and after picking it up, it can immediately enter a relatively sealed space to prevent dust from falling again during film application.

[0066] like Figure 2 As shown, the surface of the dust removal roller 5 is provided with an adhesive layer 8 for adhering dust from the equipment to be coated. In this embodiment, the adhesive layer 8 is a removable adhesive. The low-viscosity removable adhesive used for adhering dust can be washed after use, and its adhesiveness can be restored after washing, allowing for reuse.

[0067] The surface of the pressing roller 3 is provided with a soft pad layer 9 to prevent the screen protector from being scratched during the pressing process, thus affecting its appearance.

[0068] In this embodiment, the cushion layer 9 is made of velvet.

[0069] In other embodiments, the cushion layer 9 is a soft rubber.

[0070] like Figure 1 , 2 As shown, one or more of the film-pressing roller 3, film-receiving roller 4, and dust-removing roller 5 are equipped with roller locking components 7. The roller locking component 7 can be inserted into, threaded onto, or welded to the film-pressing roller 3. Similarly, the roller locking component 7 can also be inserted into, threaded onto, or welded to the film-receiving roller 4. The roller locking component 7 can also be inserted into, threaded onto, or welded to the dust-removing roller 5.

[0071] In this embodiment, roller locking members 7 are provided at the ends of the film-collecting roller 4 and the dust-removing roller 5 that pass through the second connecting seat 2. The roller locking members 7 are inserted into the ends of the film-collecting roller 4 and the dust-removing roller 5 that pass through the second connecting seat 2.

[0072] like Figures 1-7 As shown, the screen protector applicator is used in conjunction with screen protectors to apply the screen protector to the device to which it is applied. The specific usage method and working principle are as follows:

[0073] Adjusting the distance between the second connecting seat 2 and the first connecting seat 1 specifically includes:

[0074] The position of the second connector 2 is restricted by the limiting component 10, thereby changing the distance between the second connector 2 and the first connector 1 so that it matches the width or length of the device to be coated.

[0075] Place the film applicator above the device to be applicated, with the edges of the film applicator abutting against the first connecting seat 1 and the second connecting seat 2 respectively.

[0076] The dust cover 6 is arranged above the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5.

[0077] The film pasting device is used to realize the film pasting, which specifically includes:

[0078] The screen protective film in the screen film is passed through the gap on the dust cover 6 and between the film pressing roller 3 and the dust removing roller 5;

[0079] The end of the screen protective film passed through between the film pressing roller 3 and the dust removing roller 5 is aligned with the end of the device to be pasted with the film,

[0080] One end of the adhesive protective film in the screen protective film is adhered to the film collecting roller 4, and the other end of the adhesive protective film is still adhered to the screen protective film.

[0081] The film pasting device is pushed, the dust removing roller 5 and the film pressing roller 3 roll on the screen of the device to be pasted with the film, the dust removing roller 5 rolls and removes the dust of the device to be pasted with the film, the film pressing roller 3 rolls to make the screen protective film better adhere to the device to be pasted with the film, and the dust removing roller 5 is in transmission connection with the film collecting roller 4, so that the film collecting roller 4 rolls and winds the adhesive protective film away from the surface of the film collecting roller 4.

[0082] The design of the film pasting device is focused on removing the dust on the surface of the device to be pasted with the film by the dust removing roller 5, thereby improving the appearance of the pasted film. The screen protective film is pressed by the film pressing roller 3, thereby preventing air bubbles. The adhesive protective film separated from the screen protective film is wound by the film collecting roller 4. Meanwhile, the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5 can be rotated together to simplify the film pasting steps, reduce the film pasting time of the user and improve the film pasting efficiency of the user.

[0083] The limiting assembly 10 arranged on the second connecting seat 2 can rotate and limit the position of the second connecting seat 2. The limiting assembly 10 is rotated to adjust the limiting position of the second connecting seat 2, thereby realizing the advantage that the film pasting device is adapted to the size of different devices to be pasted with the film.

[0084] The dust cover 6 arranged on the film pressing roller 3, the film collecting roller 4 and the dust removing roller 5 solves the problem that dust falls during the film pasting, the dust removing roller 5 can stick the dust, and the dust can immediately enter a relatively sealed space after being stuck to prevent the dust from falling again during the film pasting.

[0085] The device to be pasted with the film can be a mobile phone, an iPad, a game console or the like.

[0086] In this embodiment, the device to be pasted with the film is a mobile phone.

[0087] Those skilled in the art can understand that the modules or flows in the drawings are not necessarily required for implementing the present application.

[0088] Those skilled in the art can understand that the modules in the devices in the implementation scenarios can be distributed in the devices in the implementation scenarios according to the descriptions of the implementation scenarios, or can be changed to be located in one or more devices different from the implementation scenarios. The modules in the above implementation scenarios can be combined into one module, or can be further split into multiple sub-modules.

[0089] The above-mentioned serial numbers of the present application are only for description, and do not represent the advantages and disadvantages of the implementation scenarios.

[0090] The above-mentioned serial numbers of the present application are only for description, and do not represent the advantages and disadvantages of the implementation scenarios. The above-mentioned serial numbers of the present application are only for description, and do not represent the advantages and disadvantages of the implementation scenarios.

Claims

1. A film-applying device, characterized in that, The application relates to a film pasting device. The film pasting device comprises a connecting seat assembly, a film pressing roller, a film collecting roller and a dust removing roller, the dust removing roller is rotatably connected to the connecting seat assembly to remove dust on the surface of a device to be pasted with a film; the film pressing roller is rotatably connected to the connecting seat assembly to press the screen protection film to adhere to the device to be pasted with a film; and the film collecting roller is rotatably connected to the connecting seat assembly to roll up and store the adhesive protection film separated from the screen protection film. The dust removing roller is located at the front side of the connecting seat assembly, the film pressing roller is located at the rear side of the connecting seat assembly, and the film pressing roller or the dust removing roller is drivingly connected to the film collecting roller to drive the film collecting roller to rotate when the film pressing roller or the dust removing roller rotates. The connecting seat assembly comprises a first connecting seat and a second connecting seat, the first connecting seat and / or the second connecting seat is provided with a transmission assembly, and the film pressing roller or the dust removing roller is drivingly connected to the film collecting roller through the transmission assembly. The second connecting seat is provided with a limiting assembly on the side away from the first connecting seat, the end portions of the film pressing roller, the film collecting roller and the dust removing roller all pass through the second connecting seat, and the limiting assembly is connected to the end portion of one of the film pressing roller, the film collecting roller and the dust removing roller. The limiting assembly comprises a knob and a rotating shaft, the knob abuts against the second connecting seat to limit the position of the second connecting seat. One end of the rotating shaft is connected to the inner wall of the knob, and the other end of the rotating shaft is rotatably connected to the film pressing roller to adjust the limiting position of the knob to the second connecting seat.

2. The device according to claim 1, wherein The film collecting roller, the dust removing roller and the film pressing roller are combined to form a triangular structure.

3. The device according to claim 1, wherein The transmission assembly is located in the first connecting seat, the transmission assembly comprises at least two gears which are sequentially engaged, the gear located at the front end is connected to the dust removing roller, the gear located at the tail end is connected to the film collecting roller, and the dust removing roller and the film collecting roller are drivingly connected through the gears which are engaged.

4. The device according to claim 3, wherein The at least two gears which are sequentially engaged comprise a first gear, a second gear, a third gear and a fourth gear which are sequentially engaged. The dust removing roller penetrates into the interior of the first connecting seat and is connected to the first gear, the film collecting roller penetrates into the interior of the first connecting seat and is connected to the fourth gear, and the dust removing roller and the film collecting roller are drivingly connected through the first gear, the second gear, the third gear and the fourth gear which are sequentially engaged.

5. The device according to claim 1, wherein The side surface of the rotating shaft is provided with external threads, the inner wall of the film pressing roller is provided with internal threads, and the external threads on the rotating shaft are coupled with the internal threads on the film pressing roller.

6. The device according to claim 1, wherein The limiting assembly further comprises a push plate and a spring, the push plate and the spring are sleeved on the rotating shaft and located in the knob. One end of the spring is connected to the inner wall of the knob, and the other end of the spring presses the push plate, and the push plate abuts against the film pressing roller.

7. The device according to any one of claims 1 to 6, wherein The dust cover is arranged above the film pressing roller, the film collecting roller and the dust removing roller, and is detachably connected to the connecting seat assembly.

Citation Information

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