Film pasting device

Abstract

The utility model relates to the technical field of 3C accessories, in particular to a film pasting device. The film pasting device comprises a mounting base, a sliding block and a film pressing structure arranged on the sliding block, the mounting base is provided with a mounting groove used for mounting a mobile terminal and a first positioning structure used for positioning a pasted film, the sliding rail is arranged in the length direction of the mounting base, and the sliding block is slidably connected with the mounting base through the sliding rail; the mounting seat can drive the film pressing structure to gradually press the film on the mobile terminal; specifically, the sliding block is rotatably connected with the mounting seat, so that the sliding block can cover the first positioning structure or expose the first positioning structure through rotation; by means of the arrangement, the sliding block can expose the installation area of the pasting film through rotation, a position adjacent to the installation area and used for the sliding block to slide out of the installation area of the pasting film does not need to be reserved in the length direction of the installation base like the prior art, and therefore the installation base is smaller in size, less in material consumption, and convenient to install. And the production cost and the transportation cost of the film sticking device can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3C accessories field, especially a kind of film applicator. BACKGROUND

[0002] Film applicator is a kind of 3C accessories for assisting user to paste film, film applicator generally includes mounting seat, sliding block slidably connected to mounting seat, and press film structure arranged on sliding block, user places mobile terminal in the installation groove of mounting seat, then uses the positioning structure on mounting seat to position installation film, then sliding block drives press film structure to gradually press film on mobile terminal, and film can be completed.

[0003] The prior art has the problem that the sliding block cannot block the installation area of the film when installing the film, otherwise it will affect the film assembly, therefore the prior art reserves a position adjacent to the installation area in the length direction of the mounting seat, and the sliding block is slid to the reserved position before installing the film, so as to facilitate the installation of the film, which also leads to that the mounting seat needs to be designed relatively long, and further leads to that the production cost and transportation cost of the film applicator are relatively high. SUMMARY

[0004] The technical problem to be solved by the utility model embodiment is to provide a film applicator to solve the problem that the mounting seat is designed relatively long in the prior art, and further leads to that the production cost and transportation cost of the film applicator are relatively high.

[0005] The film applicator provided by the utility model embodiment comprises a mounting seat, a first positioning structure and a sliding rail, wherein the mounting seat is provided with an installation groove; the installation groove is used for installing a mobile terminal; the first positioning structure is arranged on one side of the installation groove in the length direction of the mounting seat, and is used for positioning a film; the sliding rail is arranged along the length direction of the mounting seat; a sliding block is slidably connected with the mounting seat through the sliding rail; the sliding block is rotatably connected with the mounting seat, so that the sliding block can be rotated towards the direction close to the installation groove and covered on the first positioning structure, and the sliding block can be rotated away from the installation groove to expose the first positioning structure; and a press film structure is arranged on the sliding block and used for pressing the film.

[0006] Optionally, the sliding block is provided with a first rotating shaft, the sliding rail is a protruding rib arranged on the side wall of the mounting seat, and the protruding rib comprises a first extension section arranged along the length direction of the mounting seat, a bending section having one end connected to one end of the first extension section close to the first positioning structure and the other end bent and extended towards the direction of gravity, and a second extension section connected with the other end of the bending section and extended towards the direction close to the installation groove.

[0007] Optionally, the slider is further provided with a rotation limiting block, the rotation limiting block is arranged at a position spaced from the first rotating shaft, and the rotation limiting block is arranged in the direction of gravity of the first extending section; the first extending section is provided with a notch, the length of the rotation limiting block is less than the depth of the notch; when the slider is covered on the first positioning structure, the rotation limiting block is opposite to the notch.

[0008] Optionally, the length of the first rotating shaft is greater than the depth of the notch.

[0009] Optionally, the bending section is further provided with a second rotating shaft, the second rotating shaft is located at a side of the bending section close to the mounting groove, and the outer surface of the first rotating shaft is provided with a clamping groove matched with the second rotating shaft, so that when the slider is covered on the first positioning structure, the second rotating shaft can be inserted into the clamping groove.

[0010] Optionally, the ratio of the length of the first extending section to the length of the second extending section is greater than 5.

[0011] Optionally, the slide rail is arranged at the top of the side wall of the mounting seat, and a section of the slide rail close to the first positioning structure is bent and extended away from the direction of gravity.

[0012] Optionally, the positioning cotton is arranged in the mounting groove, so that an installation space matched with the shape of the mobile terminal is formed in the mounting groove.

[0013] Optionally, the film pressing structure comprises: a first flexible film scraping block arranged on the slider, the bottom of the first flexible film scraping block has a pressing plane for pressing the flat surface of the curved screen; a second flexible film scraping block arranged on the slider and spaced from the first flexible film scraping block; when the slider is covered on the first positioning structure, the second flexible film scraping block is located at the back side of the first flexible film scraping block, and the bottom of the second flexible film scraping block is provided with a pressing protrusion for pressing the curved surface of the curved screen.

[0014] Optionally, the thickness of the first flexible film scraping block is less than the thickness of the second flexible film scraping block.

[0015] Compared with the prior art, the beneficial effects of the film applicator provided in the embodiment of the utility model lie in that the film applicator provided in the embodiment of the utility model comprises a mounting seat, a sliding block and a film pressing structure arranged on the sliding block, the mounting seat is provided with a mounting groove for mounting a mobile terminal and a first positioning structure for positioning a film, a sliding rail is arranged along the length direction of the mounting seat, and the sliding block is slidably connected with the mounting seat through the sliding rail, so that the mounting seat can drive the film pressing structure to move along the length direction of the mounting seat, and the film can be gradually pressed on the mobile terminal; specifically, the sliding block is rotationally connected with the mounting seat, so that the sliding block can be arranged on the first positioning structure or exposed from the first positioning structure through rotation; in this way, the sliding block can be exposed from the mounting area of the film through rotation, and it is not necessary to reserve a position adjacent to the mounting area in the length direction of the mounting seat for the sliding block to slide out of the mounting area of the film as in the prior art, so the mounting seat is smaller in size and less in material, and the production cost and transportation cost of the film applicator can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The specific implementation of the utility model will be further described in detail below in combination with the drawings and embodiments, and the drawings are as follows:

[0017] Figure 1 is a perspective view of the film applicator provided in the embodiment of the utility model;

[0018] Figure 2 is Figure 1 one of the change state diagrams of the film applicator shown in the embodiment of the utility model;

[0019] Figure 3 is Figure 1 the second change state diagram of the film applicator shown in the embodiment of the utility model;

[0020] Figure 4 is Figure 3 the local enlarged view of position A in the embodiment of the utility model;

[0021] Figure 5 is a perspective view of the mounting seat provided in the embodiment of the utility model;

[0022] Figure 6 is Figure 5 the local enlarged view of position B in the embodiment of the utility model;

[0023] Figure 7 is a structural view of the sliding block and the first extension section used in cooperation in the embodiment of the utility model;

[0024] Figure 8 is a perspective view of the sliding block and the film pressing structure in the embodiment of the utility model;

[0025] Figure 9 is Figure 8 the local enlarged view of position C in the embodiment of the utility model;

[0026] Figure 10 is Figure 5 is another angle perspective view of the mounting seat.

[0027] The reference signs in the drawings are as follows:

[0028] 1000, a film applicator;

[0029] 100, a mounting seat; 110, a mounting groove; 111, an insertion block; 112, an avoiding opening; 120, a first positioning structure; 121, a positioning hook; 130, a sliding rail; 131, a first extension section; 1311, a notch; 132, a bending section; 133, a second extension section; 140, a second rotating shaft; 150, a protruding block; 160, a second positioning structure; 161, a bolt;

[0030] 200, a sliding block; 210, a first rotating shaft; 211, a clamping groove; 220, a rotating limiting block;

[0031] 300, a film pressing structure; 310, a first flexible film scraping block; 311, a pressing plane; 320, a second flexible film scraping block; 321, a pressing protruding block; 322, a connecting portion. DETAILED DESCRIPTION

[0032] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The preferred embodiments of the present application will be described in detail with reference to the drawings.

[0033] The film applicator 1000 provided by the embodiments of the present application is as shown in Figures 1-4 The film applicator 1000 comprises a mounting seat 100, a sliding block 200 and a film pressing structure 300. The mounting seat 100 is provided with a mounting groove 110, a first positioning structure 120 and a sliding rail 130. The mounting groove 110 is used for mounting a mobile terminal. The first positioning structure 120 is arranged on one side of the mounting groove 110 in the length direction of the mounting seat 100, and is used for positioning a film. The sliding rail 130 is arranged along the length direction of the mounting seat 100 (X direction in the figure). Figure 1 The sliding block 200 is slidably connected with the mounting seat 100 through the sliding rail 130, and is rotatably connected with the mounting seat 100, so that the sliding block 200 can rotate towards the direction close to the mounting groove 110 and cover the first positioning structure 120, and the sliding block 200 can also rotate towards the direction away from the mounting groove 110 and expose the first positioning structure 120. The film pressing structure 300 is arranged on the sliding block 200, and is used for pressing the film.

[0034] By implementing this embodiment, before installing the film, the slider 200 can be rotated from its position covering the first positioning structure 120 to its position exposing the first positioning structure 120. This prevents the slider 200 from obstructing the film installation area, facilitating the user's positioning and installation of the film using the first positioning structure 120. After film installation, simply rotate the slider 200 in the opposite direction, returning it from its position exposing the first positioning structure 120 to its position covering the first positioning structure 120. Then, the slider 200 can be moved along the length of the mounting base 100 to apply pressure to the film using the film-pressing structure 300 on the slider 200.

[0035] It is worth mentioning that, in the prior art, to avoid the slider 200 blocking the film installation area, a position adjacent to the installation area is reserved in the length direction of the mounting base 100 for the slider 200 to slide out of the film installation area. With this embodiment, it is not necessary to reserve a position in the length direction of the mounting base 100 for the slider 200 to slide out of the film installation area, as is the case with the prior art. Therefore, the mounting base 100 of this embodiment is shorter and uses less material, effectively reducing the production and transportation costs of the film applicator 1000.

[0036] refer to Figures 5-9 In a specific embodiment, the slider 200 is provided with a first rotating shaft 210, and the slide rail 130 is a rib provided on the side wall of the mounting base 100. The rib includes a first extension section 131, a bent section 132, and a second extension section 133. The first extension section 131 is arranged along the length direction of the mounting base 100, and the first rotating shaft 210 is arranged in the gravity direction of the first extension section 131. One end of the bent section 132 is connected to the end of the first extension section 131 near the first positioning structure 120, and the other end faces the gravity direction. Figure 5 The second extension segment 133 is connected to the other end of the bent segment 132 and extends toward the mounting groove 110.

[0037] Specifically, since the first extension segment 131 is arranged along the length direction of the mounting base 100 in this embodiment, and the first rotating shaft 210 is arranged in the gravity direction of the first extension segment 131, when the slider 200 moves along the length direction of the mounting base 100, the first extension segment 131 can effectively guide the slider 200 to slide along the length direction of the mounting base 100, preventing the slider 200 from moving away from the gravity direction as a whole. Figure 5 The slider moves in the Z direction and disengages from the mounting base 100. The bent section 132 and the second extension section 133 can restrict the position of the first pivot 210 when the slider 200 rotates to expose the first positioning structure 120, thus preventing the slider 200 from disengaging from the mounting base 100.

[0038] refer toFigure 5 In specific embodiments, the ratio of the length of the first extension section 131 to the length of the second extension section 133 is greater than 5.

[0039] Specifically, the second extension section 133 is mainly used to limit the position of the first rotating shaft 210 when the slider 200 is rotated to expose the first positioning structure 120, so as to prevent the slider 200 from being detached from the mounting seat 100. Therefore, the second extension section 133 does not need to be set as long as the first extension section 131, and in order to save materials and reduce the production cost of the mounting seat 100, the ratio of the length of the first extension section 131 to the length of the second extension section 133 in the embodiment is greater than 5.

[0040] Reference Figures 7-9 In some embodiments, the slider 200 is further provided with a rotation limiting block 220, which is spaced apart from the first rotating shaft 210 and is also arranged in the gravity direction of the first extension section 131.

[0041] Specifically, if the rotation angle of the slider 200 can be adjusted during the process of sliding the slider 200 to paste the film, the slider 200 may be rotated away from the mobile terminal, at which time the pressure applied by the film pressing structure 300 to the film will be insufficient, resulting in more bubbles remaining after the film is completed, and the user experience is poor. Since the rotation limiting block 220 is spaced apart from the slider 200 and is also arranged in the gravity direction of the first extension section 131, the rotation limiting block 220 can cooperate with the first rotating shaft 210 and the first extension section 131 to limit the rotation of the slider 200.

[0042] Reference Figure 6 Further, in order to avoid the rotation limiting block 220 limiting the rotation of the slider 200 when the slider 200 slides to cover the first positioning structure 120, the embodiment further provides a notch 1311 on the first extension section 131, and the length of the rotation limiting block 220 is less than the depth of the notch 1311. When the slider 200 slides to cover the first positioning structure 120, the rotation limiting block 220 is opposite to the notch 1311, so that the rotation limiting block 220 can pass through the notch 1311 when the slider 200 rotates, thereby ensuring that the slider 200 can rotate freely.

[0043] In order to avoid the user misoperation causing the first rotating shaft 210 to also escape from the notch 1311, in specific embodiments, the length of the first rotating shaft 210 is greater than the depth of the notch 1311, so that even if the first rotating shaft 210 is opposite to the notch 1311, it cannot pass through the notch 1311.

[0044] Reference Figures 6-9In some embodiments, the bending section 132 is further provided with a second rotating shaft 140 located at a side of the bending section 132 close to the mounting groove 110. The outer surface of the first rotating shaft 210 is provided with a clamping groove 211 adapted to the second rotating shaft 140. When the sliding block 200 is slid to cover the first positioning structure 120, the second rotating shaft 140 can be inserted into the clamping groove 211. In this way, when the sliding block 200 is flipped, the first rotating shaft 210 can be clamped with the second rotating shaft 140, avoiding unnecessary shaking of the sliding block 200 when it is flipped, and improving the stability of the sliding block 200 when it is flipped.

[0045] With reference to Figure 5 and Figure 6 In some embodiments, the slide rail 130 is arranged at the top of the side wall of the mounting base 100, and a section of the slide rail 130 close to the first positioning structure 120 extends in a direction away from gravity.

[0046] Specifically, if the slide rail 130 is arranged in a straight line, when the sliding block 200 is rotated and the first positioning structure 120 is exposed, it will collide with the desktop on which the mounting base 100 is placed, and even cause the mounting base 100 to be lifted at one end by the sliding block 200. In order to avoid the sliding block 200 from contacting the desktop, in the present embodiment, a section of the slide rail 130 close to the first positioning structure 120 extends in a direction away from gravity. In this way, when the sliding block 200 is moved to the rotating position, it will be lifted, effectively avoiding the sliding block 200 from colliding with the desktop on which the mounting base 100 is placed when the first positioning structure 120 is exposed.

[0047] It is worth mentioning that if the overall thickness of the mounting base 100 is increased, so that the overall height of the slide rail 130 is increased, the sliding block 200 can also be avoided from colliding with the desktop on which the mounting base 100 is placed when the first positioning structure 120 is exposed. However, this will cause the volume of the mounting base 100 to increase, and the material to increase, which is not conducive to reducing the production cost and transportation cost of the film applicator 1000.

[0048] With reference to Figure 2 In some embodiments, the film applicator 1000 further comprises a positioning cotton (not shown in the figure) arranged in the mounting groove 110, so that an installation space adapted to the shape of the mobile terminal is formed in the mounting groove 110.

[0049] It is worth mentioning that the installation groove 110 can be shaped according to the shape of the mobile terminal, but since there are many types of mobile terminals on the market, if the mounting seat 100 is produced separately for each mobile terminal, the inventory will be more and the cost will be higher. In order to solve this technical problem, the installation groove 110 can be designed to be relatively large, and the installation groove 110 can be used to install a positioning cotton designed according to the shape of the mobile terminal, so that an installation space matching the shape of the mobile terminal is formed in the installation groove 110. In this way, the mounting seat 100 can be applied to many mobile terminals, and only the corresponding positioning cotton needs to be installed before sale, which effectively reduces the inventory.

[0050] Reference Figure 2 In a specific embodiment, one of the insertion block 111 and the insertion groove is arranged on the groove wall of the installation groove 110, and the other one of the insertion block 111 and the insertion groove is arranged on the positioning cotton. The insertion block 111 and the insertion groove are matched to enable the positioning cotton to be accurately installed in the installation groove 110 by cooperation of the insertion block 111 and the insertion groove, so as to avoid that the positioning cotton is installed to be deviated and causes the installation space defined by the positioning cotton to be different from the shape of the mobile terminal.

[0051] Reference Figure 5 And Figure 10 In some embodiments, the groove bottom of the installation groove 110 is provided with an avoiding opening 112 for avoiding the camera module of the mobile terminal, and the edge of the mounting seat 100 on the side away from the first positioning structure 120 is provided with a plurality of spaced-apart protrusions 150 to raise the avoiding opening 112.

[0052] Specifically, the camera module of the mobile terminal in the prior art is generally protruding. In order to avoid the camera module of the mobile terminal, the groove bottom of the installation groove 110 is provided with an avoiding opening 112. If the avoiding opening 112 is too close to the desktop on which the mounting seat 100 is placed, the camera module will contact the desktop. In order to avoid the camera module contacting the desktop, the prior art raises the avoiding opening 112. The prior art sets an annular protrusion on the edge of the mounting seat 100 on the side away from the first positioning structure 120. Although the annular protrusion can raise the height of the avoiding opening 112, too much material is consumed, which is not conducive to reducing the production cost of the mounting seat 100. In order to solve this technical problem, the embodiment sets a plurality of spaced-apart protrusions 150 on the edge of the mounting seat 100 on the side away from the first positioning structure 120 to raise the avoiding opening 112. Compared with the protrusion arranged around the edge, less material is consumed, which can effectively reduce the production cost of the mounting seat 100.

[0053] Reference Figure 8 And Figure 9In some embodiments, the film pressing structure 300 comprises a first flexible squeegee 310 and a second flexible squeegee 320. The first flexible squeegee 310 is arranged on the sliding block 200, and the bottom of the first flexible squeegee 310 is provided with a pressing plane 311 for pressing the flat surface of the curved screen. The second flexible squeegee 320 is arranged on the sliding block 200 and is spaced apart from the first flexible squeegee 310. When the sliding block 200 is arranged on the first positioning structure 120, the second flexible squeegee 320 is located at the back side of the first flexible squeegee 310, and the bottom of the second flexible squeegee 320 is provided with a pressing protrusion 321 for pressing the curved surface of the curved screen.

[0054] In the present embodiment, two flexible squeegees (the first flexible squeegee 310 and the second flexible squeegee 320) are used to press the film on the curved screen. When the sliding block 200 is slid, the pressing plane 311 of the first flexible squeegee 310 first presses the flat surface of the curved screen, and then the pressing protrusion 321 of the second flexible squeegee 320 presses the curved surface of the curved screen. Compared with the film pressing method using one squeegee to press the flat surface and the curved surface of the curved screen at the same time, the film pressing method of pressing the flat surface and the curved surface in sequence can more effectively discharge gas, reduce the number of bubbles, improve the film pressing quality, and provide excellent user experience.

[0055] It is worth mentioning that the first flexible squeegee 310 is flexible, so during the sliding of the sliding block 200, the first flexible squeegee 310 will be deformed by the counteracting force provided by the flat surface of the curved screen. If the second flexible squeegee 320 is arranged closely to the first flexible squeegee 310, the first flexible squeegee 310 will be pressed to the second flexible squeegee 320, causing the second flexible squeegee 320 to be deformed, which will affect the film pressing effect of the curved surface of the curved screen. In order to solve this technical problem, in the present embodiment, the first flexible squeegee 310 and the second flexible squeegee 320 are arranged in a spaced apart manner, so that the first flexible squeegee 310 is provided with a deformation space, and even if the first flexible squeegee 310 is deformed, it will not press the second flexible squeegee 320.

[0056] Reference Figure 8 and Figure 9 In specific embodiments, the thickness of the first flexible squeegee 310 is less than the thickness of the second flexible squeegee 320.

[0057] Specifically, according to experiments, the curved surface part of the curved screen has a relatively large force requirement, so the second flexible doctor blade 320 needs to have a sufficient thickness to extrude the curved surface part, and the planar part of the curved screen has a relatively small force requirement, so it is not necessary to set the second flexible doctor blade 320 as thick as the first flexible doctor blade 310. The embodiment of the utility model sets the first flexible doctor blade 310 to be thinner than the second flexible doctor blade 320, so that the film sticking effect of the existing technology can be achieved, and the force used for sliding the doctor blade assembly and the cost of producing the first flexible doctor blade 310 can be reduced.

[0058] With reference to Figure 8 And Figure 9 In some embodiments, the first flexible doctor blade 310 and the second flexible doctor blade 320 are both made of EVA foam, which has moderate hardness and elasticity, is beneficial to guarantee the film sticking effect, and can be recycled repeatedly and has less harm to the environment.

[0059] With reference to Figure 8 And Figure 9 In some embodiments, the thickness of the first flexible doctor blade 310 is greater than or equal to 2 mm and less than or equal to 3.5 mm, and the thickness of the second flexible doctor blade 320 is greater than or equal to 4 mm and less than or equal to 6 mm. In this way, the film sticking effect can be guaranteed, and the force used for sliding the sliding block 200 can be reduced.

[0060] With reference to Figure 8 And Figure 9 In some embodiments, the second flexible doctor blade 320 is provided with two pressure protrusions 321 which are arranged at intervals in the length direction of the pressure plane 311, and a connecting part 322 which connects the two pressure protrusions 321 and is higher than the pressure plane 311. In this way, when the second flexible doctor blade 320 is used to press the curved surface part of the curved screen, the planar part of the curved screen can be avoided.

[0061] Optionally, two second flexible doctor blades 320 are arranged at intervals in the length direction of the pressure plane 311 to form an avoiding space between them for avoiding the planar part. In this way, when the second flexible doctor blade 320 is used to press the curved surface part of the curved screen, the planar part of the curved screen can be avoided to avoid increasing the force used for sliding the doctor blade assembly.

[0062] With reference to Figure 4 In some embodiments, the first positioning structure 120 includes two positioning hooks 121 arranged at intervals, and the film is provided with two hanging holes matched with the positioning hooks 121, so that the film can be hooked on the mounting seat 100 by matching the positioning hooks 121 with the hanging holes.

[0063] With reference to Figure 2Further, the mounting seat 100 is further provided with a second positioning structure 160, the second positioning structure 160 is arranged on the side of the mounting groove 110 away from the first positioning structure 120, and the second positioning structure 160 comprises two spaced apart insertion pins 161; the film is provided with two insertion holes matched with the insertion pins 161, so that the stability of the film assembled on the mounting seat 100 is improved by matching the insertion pins 161 with the insertion holes.

[0064] The mobile terminal disclosed by the utility model includes but is not limited to mobile phone, watch, tablet computer.

[0065] It should be understood that the above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited thereto, and the technical solutions recorded in the above embodiments can be modified or some technical features can be replaced by equivalents for those skilled in the art; all these modifications and replacements shall belong to the protection scope of the utility model.

Claims

1. A sticker applicator characterized by comprising: The application relates to a mobile terminal installation base, which comprises the following parts: a mounting seat, which is provided with a mounting groove, a first positioning structure and a sliding rail; the mounting groove is used for mounting a mobile terminal; the first positioning structure is arranged on one side of the mounting groove in the length direction of the mounting seat and is used for positioning a film; and the sliding rail is arranged along the length direction of the mounting seat; a sliding block, which is slidably connected with the mounting seat through the sliding rail; the sliding block is rotatably connected with the mounting seat, so that the sliding block can rotate towards the mounting groove and cover the first positioning structure, and the sliding block can rotate away from the mounting groove and expose the first positioning structure; a film pressing structure, which is arranged on the sliding block and is used for pressing the film.

2. The device of claim 1, wherein, A first rotating shaft is arranged on the sliding block, the sliding rail is a convex rib arranged on the side wall of the mounting seat, and the convex rib comprises the following parts: a first extension section, which is arranged along the length direction of the mounting seat, and the first rotating shaft is arranged in the gravity direction of the first extension section; a bending section, one end of which is connected to one end of the first extension section close to the first positioning structure, and the other end is bent and extended towards the gravity direction; a second extension section, which is connected to the other end of the bending section and is extended towards the mounting groove.

3. The device of claim 2, wherein the adhesive is a pressure sensitive adhesive. A rotating limiting block is further arranged on the sliding block, the rotating limiting block is arranged in the gravity direction of the first extension section and is spaced from the first rotating shaft; a notch is arranged on the first extension section, the length of the rotating limiting block is smaller than the depth of the notch, and the rotating limiting block is opposite to the notch when the sliding block covers the first positioning structure.

4. The film applicator of claim 3, wherein, The length of the first rotating shaft is greater than the depth of the notch.

5. The device of claim 2, wherein, A second rotating shaft is further arranged beside the bending section, the second rotating shaft is located on the side of the bending section close to the mounting groove, a clamping groove is arranged on the outer surface of the first rotating shaft and is matched with the second rotating shaft, so that the second rotating shaft can be inserted into the clamping groove when the sliding block covers the first positioning structure. 6.The film pasting device according to claim 2, wherein The ratio of the length of the first extension section to the length of the second extension section is greater than 5.

7. The film applicator according to any one of claims 1 to 6, wherein The sliding rail is arranged on the top of the side wall of the mounting seat, and one section of the sliding rail close to the first positioning structure is bent and extended away from the gravity direction.

8. The film applicator according to any one of claims 1 to 6, wherein A positioning cotton is further arranged in the mounting groove, so that an installation space matched with the shape of the mobile terminal is formed in the mounting groove.

9. The film applicator according to any one of claims 1 to 6, wherein The film pressing structure comprises the following parts: a first flexible film scraping block, which is arranged on the sliding block and has a pressing plane at the bottom, the pressing plane is used for pressing the flat surface part of a curved surface screen; a second flexible film scraping block, which is arranged on the sliding block and is spaced from the first flexible film scraping block; the second flexible film scraping block is located at the back side of the first flexible film scraping block when the sliding block covers the first positioning structure, the bottom of the second flexible film scraping block is provided with a pressing convex block, and the pressing convex block is used for pressing the curved surface part of the curved surface screen.

10. The film applicator of claim 9, wherein, The thickness of the first flexible film scraping block is smaller than the thickness of the second flexible film scraping block.

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