Simple sticker pasting device

Abstract

The utility model relates to a film pasting technical field especially discloses a simple film pasting device, including frame body, first resistance piece, second resistance piece and pull opening of setting on frame body, frame body is set on the outside of intelligent terminal, and the screen frame of first resistance piece and intelligent terminal stops resistance and touches, and the outside diaphragm is set between second resistance piece and screen, when frame body is set on the outside of intelligent terminal, first resistance piece forms resistance surface and working surface, and resistance surface touches the frame of intelligent terminal, and working surface avoids release type film and pull strip, and the pull strip of release type film protrudes frame body through pull opening, when the distance between resistance surface or / and working surface and screen is 0, pull strip is pulled to make release type film deformation drive function film touch second resistance piece displacement, and then drive first resistance piece displacement makes screen and resistance surface form pull gap t, and pull gap t is less than the thickness of function film, and release type film is driven under the pull strip and is pulled away from frame body through pull opening to make function film pasting to screen.

Description

Technical Field

[0001] This utility model relates to the field of film application technology, and in particular discloses a simple film applicator. Background Technology

[0002] Existing film-applying positioning frame devices are mostly fixed-shape plastic structures, primarily used to assist in positioning the external film on the surface of the smart terminal. However, such structures typically have two key problems during the film application process: First, when the release liner attached to the film is pulled off by the user, the functional film is easily pulled along simultaneously under the pulling force, causing the film to shift or misalign, especially noticeable in bare frame structures without clamping structures; Second, traditional positioning frames cannot create a controllable pulling gap, and the lack of structural elasticity or avoidance design at the pull bar exit often causes the film to be squeezed and warped upwards, severely affecting the film application accuracy and user experience. Therefore, there is an urgent need for a simple film application structure that can control the functional film's limiting state when the release liner is pulled out, while ensuring its application accuracy. Utility Model Content

[0003] In order to overcome the technical problems of film offset, which affect the film application accuracy and operation feel during the application of the film in the existing technology, the purpose of this utility model is to provide a simple film application structure that can control the limiting state of the functional film when pulling out the release film and ensure its application accuracy.

[0004] To achieve the above objectives, this utility model provides a simple film applicator, comprising a frame, a first abutment disposed on the frame, and a second abutment used in conjunction with the first abutment. The frame is used to fit over the outside of a smart terminal, the first abutment is used to prevent contact with the frame of the smart terminal's screen, and an outer film is disposed between the second abutment and the screen of the smart terminal. The frame has a pull-out opening. When the frame is fitted over the outside of the smart terminal, the first abutment forms a contact surface and a working surface. The contact surface is used to abut against the frame of the smart terminal, and the working surface is used for the pull strip of the release film and the film body of the release film to be pulled out. The release film's pull strip protrudes from the frame through the pull-out opening. When the distance between the contact surface and / or the working surface and the screen of the smart terminal is 0, pulling the release film's pull strip causes the release film to deform, driving the functional film of the film to abut and displace the second contact member. The moving second contact member causes the first contact member to move synchronously, forming a pull-out gap t between the screen of the smart terminal and the contact surface of the first contact member. The pull-out gap t is less than the thickness of the functional film. Driven by the pull strip, the release film passes through the pull-out opening and the pull-out gap t in sequence and is pulled out of the frame so that the functional film of the film is attached to the screen surface of the smart terminal.

[0005] Furthermore, the frame is also provided with a fastener. When the frame is fitted onto the frame of the external smart terminal and the screen of the smart terminal is in contact with the first contacting member, the fastener is used to stop the back cover and / or tail plug of the external smart terminal to prevent the frame from detaching from the smart terminal.

[0006] Furthermore, the frame is provided with a clearance notch that connects to the pull-out opening. The release film's pull strip passes through the clearance notch and pulls the release film away from the frame through the pull-out opening.

[0007] Furthermore, the clearance notch is an opening groove recessed from the working surface of the first contacting member.

[0008] Furthermore, the clearance notch is a through-hole that penetrates the first and second abutting members. The clearance notch penetrates the first and second abutting members to form two arms on the frame. The end faces of the two arms near the pull-out opening are the working surfaces.

[0009] Furthermore, the clearance notch penetrates the frame and / or the first contact member in a direction parallel to the opening direction of the pull-out opening. The contact surface is the plane of the first contact member away from the second contact member. The working surface is the first clearance surface recessed from the contact surface. A height difference p is formed between the first clearance surface and the contact surface.

[0010] Furthermore, p ≥ 0, and p is less than the thickness of the protective film.

[0011] Furthermore, the first and second contact members of the frame are flexible structures. When the frame is fitted onto the outside of the smart terminal and the outer film is positioned on the screen of the smart terminal, the user applies a holding force to the frame, causing the second contact member to contact the outer film and the contact surface of the first contact member to contact the frame of the smart terminal. The pulling force of the release film is greater than the holding force, causing the release film to deform and move against the second contact member. The moving second contact member causes the first contact member to be displaced, forming a pull gap t between the screen of the smart terminal and the contact surface of the first contact member. The pull gap t is less than the thickness of the functional film.

[0012] Furthermore, the frame is provided with a positioning protrusion, and the release film is provided with a positioning through hole for accommodating the positioning protrusion. The positioning protrusion is used to calibrate the position of the release film and the functional film. The release film is positioned on the frame through the positioning through hole and the positioning protrusion.

[0013] Furthermore, the simple film applicator also includes a flexible strip, which is used to abut the functional film so that the external pressure flexibly abuts the functional film, causing the functional film to move closer to the screen of the smart terminal to achieve air release; the flexible strip extends along the length direction and / or width direction of the functional film.

[0014] Furthermore, the frame 1 is provided with a pressing cotton body, which is used to abut against the functional membrane 53 of the outer membrane 5. When the release film 51 is pulled away from the frame 1 by the pull strip 52, the pressing cotton body abuts against the functional membrane 53 and moves closer to the screen of the smart terminal to adhere.

[0015] Furthermore, the inner wall of the frame is provided with friction protrusions, which are arranged intersectingly with the first abutting member. When the frame is fitted onto the outside of the smart terminal, the friction protrusions are used to abut against the middle frame of the smart terminal.

[0016] The technical principle of this utility model is as follows: This utility model proposes a simple film applicator with an automatic gap release mechanism. Its core structure includes a first and second contact member mounted on a frame. An outer film is positioned between the second contact member and the smart terminal screen. The frame has a pull-out opening. When the frame is fitted onto the outside of the smart terminal and the first contact member is pressed against the screen edge, pulling the release film strip causes the release film to deform in a U-shape, driving the functional film upwards to contact the second contact member. Due to this contact, the second contact member undergoes a slight displacement, which in turn moves the first contact member outwards, forming a controllable pull-out gap t between the working surface of the first contact member and the screen. This pull-out gap t is smaller than the thickness of the functional film, allowing only the release film and the pull strip to pass through, achieving complete removal of the release film without affecting the functional film, keeping the functional film adhered in place and improving the stability of the film application. The accompanying buckle structure, dustproof film positioning hole, clearance notch, flexible strip, and friction structure further optimize key operational aspects such as film application guidance, air venting, and positioning accuracy.

[0017] The beneficial effects of this invention are as follows: Compared to the problems of easy displacement, lack of pull strip path control, and lack of functional film limiting ability in the bare frame structure of the prior art, this invention achieves effective decoupling between functional film application and release film pulling path by constructing an active gap release mechanism based on the release film's stress deformation linkage structure. This ensures that the functional film is always gradually applied within a confined space, greatly improving the consistency of film application and the error tolerance of user operation. The entire structure requires no additional electrical control or complex components, retaining the lightweight characteristics of a simple film application frame while significantly enhancing its functional stability and industrial adaptability, making it highly valuable for application and promotion. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the simple film applicator of this utility model. Figure 1 ;

[0019] Figure 2 for Figure 1 A magnified structural diagram of part A in the middle;

[0020] Figure 3This is a schematic diagram of the structure of the simplified film applicator of this utility model when the clearance notch is a through-hole;

[0021] Figure 4 This is a schematic diagram of the structure of the simple film applicator of this utility model without the fastening components;

[0022] Figure 5 This is an exploded structural diagram of the simple film applicator, smart terminal, and film of this utility model.

[0023] Figure 6 This is a partial cross-sectional view of the frame of this utility model after it has been fitted onto the outside of a smart terminal.

[0024] Figure 7 for Figure 6 A magnified structural diagram of part B in the middle section;

[0025] Figure 8 A schematic diagram showing the addition of a flexible strip to the simple film applicator of this utility model;

[0026] Figure 9 A schematic diagram of the structure of a release film with positioning through holes;

[0027] Figure 10 This is a three-dimensional structural diagram of a frame with snap fasteners.

[0028] The reference numerals in the figures include:

[0029] 1. Frame; 2. First contact element; 3. Second contact element; 4. Pull-out opening; 5. Diaphragm; 6. Flexible strip; 7. Smart terminal; 11. Fastener; 111. First fastener; 112. Second fastener; 12. Avoidance notch; 13. Positioning protrusion; 14. Friction protrusion; 21. Contact surface; 22. First avoidance surface; 51. Release film; 511. Positioning through hole; 512. Groove; 52. Pull strip; 53. Functional film. Detailed Implementation

[0030] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0031] Please see Figures 1 to 10 As shown, a simple screen protector of this utility model includes a frame 1, a first contact 2 disposed on the frame 1, and a second contact 3 used in conjunction with the first contact 2; the frame 1 is used to fit over the outside of a smart terminal 7, the first contact 2 is used to block contact with the edge of the screen of the smart terminal 7, the outer film 5 is used to be disposed between the second contact 3 and the screen of the smart terminal 7, and the frame 1 is provided with a pull-out opening 4;

[0032] When the frame 1 is fitted onto the outside of the smart terminal 7, the first contact member 2 forms a contact surface 21 and a working surface. The contact surface 21 is used to abut against the frame of the smart terminal 7, and the working surface is used for the pull strip 52 of the release film 51 and the film body of the release film 51 to be pulled out. The pull strip 52 of the release film 51 protrudes out of the frame 1 through the pull-out opening 4. When the distance between the contact surface 21 and the screen of the smart terminal 7 is 0, or when the distance between the contact surface 21, the working surface (the contact surface 21 and the working surface are on the same plane) and the screen of the smart terminal is 0, the pull... The pull bar 52 of the release film 51 causes the release film 51 to deform, driving the functional film 53 of the film 5 to abut against and move the second abutment 3. The moving second abutment 3 causes the first abutment 2 to move synchronously, so that a pull gap t is formed between the screen of the smart terminal 7 and the abutment surface 21 of the first abutment 2. The pull gap t is smaller than the thickness of the functional film 53. Under the action of the pull bar 52, the release film 51 passes through the pull opening 4 and the pull gap t in sequence and is pulled away from the frame 1 so that the functional film 53 of the film 5 is attached to the screen surface of the smart terminal 7.

[0033] Specifically, the frame 1 is provided with a buckle 11. When the screen of the external smart terminal 7 comes into contact with the contact surface 21 of the first contact member 2, the buckle 11 is used to stop the back cover and / or tail plug of the smart terminal 7.

[0034] Specifically, there can be two situations: no gap or gap between the buckle 11 and the contact surface designed for the smart terminal. When there is no gap, the pull gap t generated by the pull bar 52 is the working gap for the release film 51 to be pulled out. When there is a gap between the two, that is, when the frame 1 is fitted on the outside of the smart terminal 7, the buckle 11 does not completely abut against the design contact surface of the smart terminal 7, so that the frame 1 can move in a direction perpendicular to the screen of the smart terminal 7. Therefore, when one hand gently presses the frame 7 and the other hand pulls the pull bar 52 (the pulling force is greater than the pressing force), the release film 51 can be deformed, thereby driving the second contact 3 to move upward in conjunction with the first contact 2 to form the pull gap t.

[0035] Specifically, the fastener 11 includes a first fastening part 111 and a second fastening part 112. The first fastening part 111 and the second fastening part 112 are located at opposite ends of the frame 1. In actual manufacturing, the first fastening part 111 and the second fastening part 112 can be located around the periphery of the frame 1. The first fastening part 111 extends from the frame 1 away from the first abutment 2 and bends or transitions into the frame 1 in an arc shape. The arc transition is used to match the arc structure of the back cover of the smart terminal 7 for corresponding fastening. The second fastening part 112 extends from the frame 1 towards the first abutment 2 and has an arc segment.

[0036] Preferably, in this embodiment, the first fastener 111 is located at the front end of the frame 1, that is, at the end of the frame 1 corresponding to the front-facing camera of the smart terminal 7. Two first fasteners 111 are provided, spaced apart. One second fastener 112 is provided, which is used to insert into the charging port of the smart terminal 7 to temporarily lock the frame 1 and the smart terminal 7. In actual use, with the fixation of the first fasteners 111 and the second fasteners 112, only a small force needs to be applied with one hand to ensure that the frame 1 and the smart terminal 7 do not detach from the external support surface. Preferably, the working surface is a planar structure. In actual manufacturing, the working surface can be made into a wavy surface or a convex surface. When the working surface is a wavy surface, the distance between the crest of the wavy surface and the screen of the smart terminal 7 is 0. When the working surface is a convex surface, the distance between the convex tip of the convex surface and the screen of the smart terminal 7 is 0.

[0037] Preferably, in this embodiment, the distance between the working surface and the screen of the smart terminal 7 is 0. In actual use, after the frame 1 is fitted onto the outside of the smart terminal 7, the release film 51 of the diaphragm 5 is installed on the screen of the smart terminal 7, so that the diaphragm 5 is located between the screen of the smart terminal 7 and the second contact member 3. Then, the user needs to press the second contact member 3 of the frame 1 with one hand and hold the handle with the other hand. Then, pull the pull bar 52 in the direction away from the card opening, and control the force of pulling the pull bar 52 to be greater than the pressing force applied to the release film 51 by the second contact member 3 of the frame 1.

[0038] In actual operation, since the pulling force is greater than the pressing force, the release film 51 is deformed, and the pull strip 52 and the release film 51 can be pulled out. Since the pull strip 52 and the release film 51 are not the actual film, they will not affect the normal application of the functional film 53. At the same time, since = 0, it can also ensure that the application of the functional film 53 is more stable and improve the exhaust effect.

[0039] According to actual needs, the first contact member 2 may include a main body and a protrusion formed from the main body. Of course, there may be multiple protrusions. The end face of the protrusion away from the main body is used to abut against the frame of the screen of the smart terminal 7 to form a contact surface 21. The end face of the main body near the protrusion forms a working surface. When the release film 51 is pulled out, the pull strip 52 of the release film 51 is first pulled out along the working surface until the entire release film 51 is completely pulled out to the outside of the frame 1.

[0040] In actual manufacturing, the first contact member 2 can be designed as a wave-shaped structure. In this case, the crest of the first contact member 2 abuts against the edge of the screen of the smart terminal 7 to form a contact surface 21, and the trough between the two crests at one end of the first contact member 2 forms a working surface.

[0041] In the actual manufacturing process of the simple film applicator, the distance between the working surface and the screen of the smart terminal 7 can be greater than 0. For example, the distance between the working surface and the screen of the smart terminal 7 is 0.2. In this way, the distance between the working surface and the screen of the smart terminal 7 makes it easy for the user to grab the pull bar 52 and pull it out easily from the distance. After the pull bar 52 is pulled out, the release film 51 connected to the pull bar 52 can be easily pulled out.

[0042] In this embodiment, the first contact member 2 is a rectangular frame structure that protrudes into the frame 1, forming a stepped portion with the frame 1 body. In use, the frame 1 is fitted onto the outside of the smart terminal 7, and the contact surface 21 of the first contact member 2 is used to contact the release film 51 of the outer diaphragm 5 and press it onto the screen of the smart terminal 7. The second contact member 3 is an arc-shaped plate that protrudes inward from the frame 1 body, and the second contact member 3 is higher than the first contact member 2. The arc-shaped plate is located in the middle of the frame 1 near the pull-out opening 4.

[0043] In this embodiment, the pull-out opening 4 penetrates the frame 1 and the first abutment 2. The abutment surface 21 is the plane of the first abutment 2 away from the second abutment 3. The working surface is the first clearance surface 22 recessed from the abutment surface 21. A height difference p is formed between the first clearance surface 22 and the abutment surface 21. p ≥ 0, and p is less than the thickness of the membrane. The abutment surface 21 of the second abutment 3 directly abuts against the functional membrane 53 of the outer membrane 5 and simultaneously positions and adheres the release film 51 of the outer membrane 5 to the screen surface of the smart terminal 7.

[0044] In actual use, the release film 51 can be pulled out from the pull-out opening 4 to remove dust from the screen surface of the smart terminal 7. As the user squeezes the second contact member 3 with one hand, the second contact member 3 presses the functional film 53 firmly onto the screen surface of the smart terminal 7. Therefore, as the release film 51 is peeled off, the functional film 53 slowly adheres to the screen surface of the smart terminal 7 with its own adhesive structure to complete the initial film application. If there are air bubbles, use a scraper, your fingers, or a cotton cloth to squeeze out the air bubbles.

[0045] Specifically, when the frame 1 is fitted onto the outside of the smart terminal 7 and the contact surface 21 of the first contact member 2 contacts the frame of the smart terminal 7, the distance between the first clearance surface 22 and the screen of the smart terminal 7 is less than the thickness of the functional film 53 of the film 5 and greater than the thickness of the release film 51 after folding. This design ensures that during the pulling process, one end of the functional film 53 contacts the inner side wall of the first contact member 2 near the first clearance surface 22, preventing the functional film 53 from being simultaneously pulled away from the pull-out opening 4 by the release film 51, which would prevent the film application action from being completed or the film application from being poor due to displacement of the functional film 53.

[0046] Specifically, the frame 1 is provided with a clearance notch 12 that communicates with the pull-out opening 4. In actual manufacturing, the clearance notch 12 can be an opening groove recessed from the working surface of the first contact member 2, or it can be a through-hole that passes through the first contact member 2 and the second contact member 3.

[0047] During the process of pulling the pull bar 52, the pull bar 52 causes the release film 51 to deform through the avoidance notch 12, which in turn causes the functional film 53 to generate a force toward the second contact member 3. Therefore, under this force, the second contact member 3 drives the first contact member 2 to move a small distance away from the screen of the smart terminal 7. This results in a pull gap t between the contact surface 21 of the first contact member 2 and the screen of the smart terminal 7. The pull gap t is less than the thickness of the functional film 53 and greater than the thickness of the release film 51 after deformation and folding. The pull gap t ensures that the pull bar 52 can carry the release film 51 away from the frame 1.

[0048] Preferably, the clearance notch 12 is a through-hole that passes through the first contact member 2 and the second contact member 3. In this case, the pull strip 52 of the release film 51 can be placed directly through the through-hole. Due to the design of the through-hole, two arms are formed on the frame 1. The two arms have deformation characteristics, so when the pull strip 52 is pulled, the force generated by the deformation of the release film 51 makes it easier for the first contact member 2 (arm) to deform. This design makes it easier to place the pull strip 52 and also makes it easier for the first contact member 2 to deform and form the pull gap t.

[0049] Specifically, in another embodiment, the frame 1 does not have a latching element 11. When applying the screen protector, the user needs to use one hand to apply considerable force to press the frame 1 to position the smart terminal 7 on the external table and to position the screen protector 5 on the screen of the smart terminal 7. The pulling action is the same as above, but the difference from the method of setting the latching element 11 in the previous embodiment lies in the magnitude of the force applied by the user to the frame 1. Compared to this structure, the setting of the latching element 11 makes the positioning of the frame 1 and the smart terminal 7 more stable, which facilitates the subsequent screen protector application operation. Therefore, this embodiment preferably uses the method of setting the latching element 11.

[0050] Specifically, a flexible strip 6 can be provided on the end face of the second contact member 3 that abuts against the outer diaphragm 5. This flexible strip 6 is used to abut against the diaphragm 5 and assist the diaphragm 5 in maintaining flatness during the initial positioning stage, thereby improving the stability of the pull strip 52. In actual manufacturing, the flexible strip 6 can be an elastic cotton body, a vacuum-formed structure, or a thermoformed adhesive strip, and can be set independently or integrally formed with the frame 1. Of course, there can be multiple flexible strips 6, distributed around the second contact member 3.

[0051] Specifically, the frame 1 is provided with a pressing cotton body, which is made of a strip of elastic material, preferably soft polyurethane sponge or EVA foam. In actual manufacturing, it can be placed on the inner wall of the frame 1 near the pull-out opening 4. When the outer film 5 is placed between the screen of the smart terminal 7 and the second contact member 3, the functional film 53 is in the state of being applied and ready to be attached. When the user pulls the release film 51, the release film 51 undergoes a U-shaped deformation under the pulling force, causing the functional film 53 to tilt upwards and come closer to the frame 1 structure. During this process, the pressing cotton body forms an inward elastic pressure on the functional film 53, so that the functional film 53 always faces the screen of the smart terminal during the pull-out process, playing an auxiliary role in early adsorption and steady-state guidance. The presence of the pressing cotton body effectively reduces the problem of local bulging, drifting or deflection of the film due to the peeling of the release film, and improves the flatness of the film and the initial accuracy of the attachment.

[0052] Specifically, the frame 1 is provided with a positioning protrusion 13, and the release film 51 is provided with a positioning through hole 511 for accommodating the positioning protrusion 13. The positioning protrusion 13 is used to calibrate the position of the release film 51 and the functional film 53. The release film 51 is positioned on the frame 1 through the snap-fit ​​cooperation between the positioning through hole 511 and the positioning protrusion 13.

[0053] In actual use, after the user places the frame 1 onto the outside of the smart terminal 7, the membrane 5 is inserted into the second contact member 3. At this time, the positions of the release film 51 and the functional film 53 are uncertain. With the help of the positioning protrusion 13 and the positioning through hole 511, the positioning through hole 511 of the release film 51 can be fitted onto the positioning protrusion 13 of the frame 1, so that the release film 51 and the functional film 53 are positioned on the screen of the smart terminal 7. In this embodiment, the release film 51 is provided with a groove 512 communicating with the positioning through hole 511. As the user pulls the pull bar 52 to move the release film 51, the positioning protrusion gradually disengages from the positioning through hole 511 with the help of the groove 512. This structural design makes the positioning of the release film 51 and the functional film 53 more convenient.

[0054] The following describes the application process using the simple screen protector of this utility model: The user places the frame 1 on the outside of the smart terminal 7 and places the smart terminal 7 with the back cover facing the table, so that the contact surface 21 of the first contact member 2 contacts the edge of the screen of the smart terminal 7. Then, the film 5 is placed between the second contact member 3 and the screen of the smart terminal 7, and one hand is used to press the end face of the second contact member 3 away from the screen of the smart terminal 7 to limit and fix the frame 1, the film 5 and the smart terminal 7.

[0055] Subsequently, the user pulls the release film 51 through the pull bar 52 (it should be noted that the pulling force of the pull bar 52 is greater than the pressing force of the second contact 3) so that the pull bar 52 passes through the avoidance notch 12 and drives the release film 51 through the pull opening 4. The functional film 53 will not be pulled away synchronously due to the blocking of the first contact 2. Since the release film 51 has been pulled away, the functional film 53 gradually adheres to the screen surface. Due to the contact of the flexible strip 6, the top of the functional film 53 presses against the smartphone screen to prevent air bubbles from forming. Then, the frame 1 is taken out and removed from the smart terminal 7. If there are air bubbles between the functional film 53 and the screen, they can be removed by gentle pressing or by using a flexible scraper. Finally, the phone is removed to complete the screen protector application.

[0056] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A simple screen protector applicator, comprising a frame (1), a first contact (2) disposed on the frame (1), and a second contact (3) used in conjunction with the first contact (2); the frame (1) is used to be fitted onto the outside of a smart terminal (7), the first contact (2) is used to block contact with the frame of the screen of the smart terminal (7), and an outer film (5) is used to be disposed between the second contact (3) and the screen of the smart terminal (7); the frame (1) is further provided with a pull-out opening (4); characterized in that: When the frame (1) is fitted onto the outside of the smart terminal (7), the first contact member (2) forms a contact surface (21) and a working surface. The contact surface (21) is used to contact the frame of the screen of the smart terminal (7), and the working surface is used for the pull strip (52) of the release film (51) and the film body of the release film (51) to be pulled out. The pull strip (52) of the release film (51) protrudes out of the frame (1) through the pull-out opening (4). When the distance between the contact surface (21) and / or the working surface and the screen of the smart terminal (7) is 0, the pull bar (52) of the release film (51) is pulled to deform the release film (51) and drive the functional film (53) of the film (5) to move the second contact member (3). The moving second contact member (3) drives the first contact member (2) to move synchronously, so that a pull gap t is formed between the screen of the smart terminal (7) and the contact surface (21) of the first contact member (2). The pull gap t is smaller than the thickness of the functional film (53). The release film (51) passes through the pull gap t and the pull opening (4) in sequence under the drive of the pull bar (52) and is pulled away from the frame (1) so that the functional film (53) of the film (5) is attached to the screen surface of the smart terminal (7).

2. The simple film applicator according to claim 1, characterized in that: The frame (1) is also provided with a buckle (11). When the frame (1) is fitted onto the frame of the external smart terminal (7) and the screen of the smart terminal (7) abuts against the contact surface (21) of the first contact member (2), the buckle (11) is used to stop the back cover and / or tail plug of the external smart terminal (7) to prevent the frame (1) from separating from the smart terminal (7).

3. The simple film applicator according to claim 1, characterized in that: The frame (1) is provided with a clearance notch (12) that connects to the pull-out opening (4). The pull strip (52) of the release film (51) passes through the clearance notch (12) and takes the release film (51) away from the frame (1) through the pull-out opening (4).

4. The simplified film applicator according to claim 3, characterized in that: The clearance notch (12) is an opening groove recessed from the working surface of the first contacting member (2).

5. The simplified film applicator according to claim 3, characterized in that: The clearance notch (12) is a through-hole that passes through the first contact member (2) and the second contact member (3). The through-hole passes through the first contact member (2) and the second contact member (3) to form two arms on the frame (1). The end face of the arm near the pull-out opening (4) is the working surface.

6. The simplified film applicator according to claim 3, characterized in that: The clearance notch (12) penetrates the frame (1) and / or the first contact member (2) in a direction parallel to the opening direction of the pull-out opening (4). The contact surface (21) is the plane of the first contact member (2) away from the second contact member (3). The working surface is the first clearance surface (22) formed by recessing from the contact surface (21). A height difference p is formed between the first clearance surface (22) and the contact surface (21).

7. The simple film applicator according to claim 1, characterized in that: The first contact member (2) and the second contact member (3) of the frame (1) are flexible structures. When the frame (1) is sleeved on the outside of the smart terminal (7) and the outer membrane (5) is placed on the screen of the smart terminal (7), the user applies a holding force to the frame (1) so that the second contact member (3) abuts against the outer membrane (5) and the contact surface (21) of the first contact member (2) abuts against the frame of the smart terminal (7). The pulling force of the pull strip (52) of the release film (51) is greater than the holding force, so that the release film (51) deforms and drives the functional film (53) to move the second contact member (3). The moving second contact member (3) causes the first contact member (2) to be displaced so that the pull gap t is formed between the screen of the smart terminal (7) and the contact surface (21) of the first contact member (2).

8. The simple film applicator according to claim 1, characterized in that: The frame (1) is provided with a positioning protrusion (13), and the release film (51) is provided with a positioning through hole (511) for accommodating the positioning protrusion (13). The positioning protrusion (13) is used to calibrate the position of the release film (51) and the functional film (53). The release film (51) is positioned on the frame (1) through the positioning through hole (511) and the positioning protrusion (13) in a concave-convex fit.

9. The simplified film applicator according to claim 1, characterized in that: The simple film applicator also includes a flexible strip (6), which is used to abut against the functional film (53) so that the external pressure flexibly abuts against the functional film (53) to bring the functional film (53) closer to the screen of the smart terminal (7) to achieve air release; the flexible strip (6) is provided to extend along the length direction and / or width direction of the functional film (53).

10. The simple film applicator according to claim 1, characterized in that: The frame (1) is provided with a pressing cotton body, which is used to abut against the functional membrane (53) of the outer membrane (5). When the release film (51) is pulled away from the frame (1) by the pull strip (52), the pressing cotton body abuts against the functional membrane (53) and moves closer to the screen of the smart terminal to adhere.

Images