Centering mechanism and semi-automatic film pasting box

Abstract

The utility model provides a centering mechanism and a semi-automatic film pasting box, a plurality of strip-shaped guide holes are formed in a centering block of the centering mechanism, and every two adjacent guide holes are distributed in a splayed shape. The left positioning block and the right positioning block are installed in the guide hole of the centering block through the guide sliding column, a lifting face used for bearing equipment to be subjected to film pasting is arranged above the left positioning block and the right positioning block, and baffles are arranged on the side edges of the left positioning block and the right positioning block. And the left positioning block and the right positioning block are synchronously closed or separated by pulling the centering block to move. An upper cover of the film pasting box is rotatably connected with a base, a film hanging column used for installing a film set is arranged on the inner side of the upper cover, a centering mechanism is installed in the base, one end of a pull rod is installed on the upper cover, the other end of the pull rod is installed on a top positioning block, and guide sliding columns at the bottoms of left and right positioning blocks sequentially penetrate through guide holes of a centering block and horizontal guide holes of the base. And when the centering block moves back and forth, the left and right positioning blocks are driven to open or close to clamp or loosen the mobile phone. The film pasting box can automatically center the mobile phone, and the positioning precision of the mobile phone is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film pasting equipment technical field especially relates to a centering mechanism and semi -automatic film pasting box. BACKGROUND

[0002] With the popularity of smart phones and the continuous increase of screen size, consumers' demand for mobile phone screen protection film is growing. In the process of pasting the film on the mobile phone, accurate centering positioning of the mobile phone is the key, but the industry is currently facing many challenges.

[0003] The commonly used mobile phone tail plug positioning method uses the centering characteristics of the mobile phone charging port, but the mobile phone charging port rules are different, which cannot be universal, limiting its use range, and the operation is not convenient. And the gear scheme is difficult to guarantee the positioning accuracy due to the inevitable gap between the gears, and cannot meet the actual demand.

[0004] The existing automatic or semi-automatic film pasting equipment still has many problems. For example, in the air bubble problem, manual operation can not completely avoid air remaining between the film and the screen, resulting in air bubbles after pasting the film; Position deviation, the user may not be able to accurately place the film in the center during the pasting process, affecting the appearance and use experience; For soft film, if the film is not flat or the pressure distribution is uneven, it is easy to cause the edge of the film to be raised, reducing the effectiveness of the film. Therefore, there is an urgent need for a device that automatically centers the mobile phone and a film pasting device with the device. SUMMARY

[0005] The utility model aims at providing a kind of centering mechanism and semi-automatic film pasting box with simple structure, easy to use, which can realize quick and bubble-free film pasting process by simple operation steps.

[0006] The utility model provides a kind of centering mechanism in the first aspect, it includes centering block, left and right positioning block. Centering block is equipped with several strip-shaped guide holes, and two adjacent guide holes are distributed in the shape of "eight". Left and right positioning block is provided with two, and is installed in the guide hole of centering block by the guide slide column of bottom, and the upper portion of left and right positioning block is provided with the lifting surface for supporting the film pasting equipment, and the side is provided with the baffle for abutting the side of film pasting equipment. By pulling centering block to move, so that two left and right positioning blocks are synchronized to close or separate, when closing, the mobile phone, watch and other equipment to be pasted are automatically centered and positioned.

[0007] Further description of the foregoing scheme, guide hole is provided with 4, and two two are distributed in the shape of "eight", the bottom of each left and right positioning block is provided with two guide slide columns, and is installed in different guide holes.

[0008] Further, the two ends of the bottom of the left and right positioning blocks are provided with transverse anti-slip blocks for controlling the one-way movement of the left and right positioning blocks on the same plane.

[0009] The centering mechanism is simple in design and high in universality. In use, the device to be pasted with the film is placed on the lifting surface, the centering block is pulled, and the guide hole and the guide slide column are matched with each other, so that the two left and right positioning blocks are synchronously closed or separated, and the device to be pasted with the film is accurately and quickly centered and fixed. Compared with the existing mobile phone tail plug positioning mode, the device is applicable to various models of mobile phones without relying on specific mobile phone charging port rules, and the problem of poor universality is completely solved. Compared with the gear mode, the gear structure is abandoned, and the positioning error caused by the gear gap is avoided, so that the positioning process is stable and reliable. In addition, the transverse anti-slip blocks arranged at the two ends of the bottom of the left and right positioning blocks effectively limit the one-way movement of the left and right positioning blocks on the same plane, and further ensure the stability of the positioning.

[0010] In the second aspect, the utility model provides a kind of semi-automatic pasting film box, including the centering mechanism described above, still including base, upper cover, top positioning block and pull rod, one end of upper cover is rotatably connected with one end of base, the inside of upper cover is provided with the film group for installing hanging film column, centering block, top positioning block is slidably installed in base, one end of pull rod is installed on upper cover, other end is installed on top positioning block, the guide slide column of the bottom of left and right positioning blocks passes through the guide hole of centering block, the horizontal guide hole of base in sequence, when centering block moves back and forth, left and right positioning block is driven to open and close to hold or loosen mobile phone. The bottom of base is provided with centering block tension spring, top tension spring, one end of centering block tension spring is hooked on base, other end is hooked on centering block, one end of top tension spring is hooked on base other end is hooked on top positioning block. When upper cover is opened and closed, upper cover, tension spring drive pull rod, top positioning block, centering block, left and right positioning block move.

[0011] Further, in order to improve the film pasting accuracy, the top of the base is provided with a base fitting strip, the fitting strip is provided with a fitting block, the upper cover is provided with an upper cover fitting strip and a fitting gap matched with the base fitting strip and the fitting block.

[0012] Further description of the foregoing scheme, the base is provided with a guide groove, a guide rail is opened above the guide groove, and the top positioning block is installed on both sides of the guide groove and the guide rail; the top positioning block is further provided with an extension plate, the end of the extension plate forms a clamping portion, the extension plate and the clamping portion are located in the clutch hole of the centering block, and when the opening angle of the upper cover exceeds the set angle, the clamping portion drives the centering block to move. The design of the clutch hole and the extension plate realizes the fixation of mobile phones of different lengths.

[0013] Further, the two ends of the left and right positioning blocks are provided with transverse anti-slip blocks, the transverse anti-slip blocks pass through the anti-slip holes of the base and abut against the bottom surface of the base.

[0014] More preferably, in order to better eliminate bubbles, one end of the upper cover is provided with a sinking elastic sheet, and a part of the film hanging column is arranged on the sinking elastic sheet, and the sinking elastic sheet extrudes one end of the film group to the screen when the upper cover and the base are closed.

[0015] Further to the foregoing, one end of the base is provided with a shaft hole, the upper cover shaft of one end of the upper cover is installed in the shaft hole, the other end of the upper cover is provided with a hook for buckling the base, and the end of the upper cover close to the hook is also provided with a notch for extracting the release film. The pull rod hole of the upper cover and the long shaft hole of the top positioning block are both long strips.

[0016] More preferably, the upper cover is provided with a plurality of observation holes, which facilitate observation of the film pasting process.

[0017] Further, the inner surface of the base is also provided with a centering block guide strip for guiding the movement of the centering block, and the center protrusion of the centering block forms a lifting ring for lifting the mobile phone. The end of the base is provided with a tail positioning block for positioning the end of the mobile phone, and the bottom of the base is provided with a hook for hooking the centering block tension spring and the top tension spring.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The left and right positioning blocks, the top positioning block, the centering block and the tension spring realize automatic centering of the mobile phone, ensuring that mobile phones of any size can be accurately positioned at the center of the base, realizing universality, and eliminating the problem of reduced aesthetics caused by manual positioning inaccuracy.

[0020] The film sheet with the head high and tail low design is combined with the sinking elastic sheet to press the air exhaust mechanism, effectively reducing the possibility of bubble generation and improving the quality of the final product.

[0021] The fitting components between the upper cover and the base make the entire film pasting process more accurate and reliable.

[0022] The present application can realize automatic film pasting by simply pulling the pull strip, greatly simplifying the operation steps, and enabling even first-time users to easily get started.

[0023] In summary, the present application not only solves the main problems existing in the prior art, but also brings significant operational convenience and economic benefits, and has high market potential and development prospects. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. 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 any creative effort on the premise of not paying creative effort.

[0025] Figure 1 The overall schematic view provided for the embodiment 1 of the present application is shown in the figure.

[0026] Figure 2 3 The explosion schematic view provided for the embodiment 1 of the present application is shown in the figure.

[0027] Figure 4 The left-right positioning block structure schematic view provided for the embodiment 1 of the present application is shown in the figure.

[0028] Figure 5 The use state schematic view provided for the embodiment 1 of the present application is shown in the figure.

[0029] Figure 6 7 The overall schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0030] Figure 8 The explosion schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0031] Figure 9 The upper cover structure schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0032] Figure 10 11 The base structure schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0033] Figure 12 13 The middle block, left-right positioning block and top positioning block structure schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0034] Figure 14 The film group schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0035] Figure 15 16 The use state schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0036] Figure 18 The principle schematic view provided for the embodiment 2 of the present application is shown in the figure.

[0037] In the figure, each reference sign represents:

[0038] ​​​​​Base; 11, base fitting strip; 12, fitting block; 13, guide slot; 131, guide rail; 14, anti-off hole; 15, horizontal guide hole; 16, hook hole; 161, hook; 17, shaft hole; 18, tail positioning block; 19, centering block guide strip;

[0039] Upper cover; 21, sinking spring piece; 22, upper cover fitting strip; 221, fitting notch; 23, pull rod hole; 24, upper cover pivot; 25, observation hole; 26, hook; 27, film hanging column;

[0040] Centering block; 31, guide hole; 32, clutch hole; 33, lifting ring;

[0041] Left and right positioning blocks; 41, guide slide column; 42, transverse anti-off slide block; 43, lifting surface; 44, baffle; 45, centering block tension spring;

[0042] Top positioning block; 51, top tension spring; 52, clamping part; 53, extension plate; 54, long shaft hole;

[0043] Pull rod; 61, connecting shaft;

[0044] Film group; 71, positioning film; 72, protective film; 73, release film; 731, tension strip;

[0045] Mobile phone.

[0046] Through the above drawings, the specific embodiments of the present application have been shown, and will be described in more detail in the following. These drawings and textual descriptions are not intended to limit the scope of the present application concept in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be described clearly and completely in the following by referring to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0048] To make the technical solutions and advantages of the present application clearer, the embodiments of the present application will be described in further detail by referring to the drawings. EMBODIMENT

[0049] As Figures 1-5As shown, the embodiment discloses a centering mechanism, specifically comprising a centering block 3, left and right positioning blocks 4, the centering block 3 is provided with a plurality of strip-shaped guide holes 31, and two adjacent guide holes 31 are arranged in the shape of an "eight". The left and right positioning blocks 4 are provided with two and are installed in the guide holes 31 of the centering block 3 through the guide sliding columns 41 at the bottom. The upper part of the left and right positioning blocks 4 is provided with a lifting surface 43 for supporting the device to be pasted with a film, and the side edge is provided with a baffle 44 for abutting against the side edge of the device to be pasted with a film. In the embodiment, the lifting surface 43 and the baffle 44 are arranged perpendicularly to each other. By pulling the centering block 3 to move, the two left and right positioning blocks 4 are synchronously folded or separated. As shown in Figure 3 、 4 As shown, the two ends of the bottom of the left and right positioning blocks 4 are provided with transverse anti-slip blocks 42 for controlling the one-way movement of the left and right positioning blocks 4 on the same plane.

[0050] In the embodiment, the guide holes 31 are provided with four, and two are arranged in the shape of an "eight". The bottom of each left and right positioning block 4 is provided with two guide sliding columns 41. Of course, different numbers of guide holes 31 and guide sliding columns 41 can be used in other embodiments.

[0051] The principle of the centering mechanism is shown in Figure 5 The transverse anti-slip blocks 42 limit the forward and backward movement and the upward and downward movement of the left and right positioning blocks 4, and only the left and right movement is allowed. When the centering block 3 is pulled, the guide holes 31 of the centering block 3 move forward, the guide sliding columns 41 are forced to move left and right, and then drive the left and right positioning blocks 4 to open. At this time, the mobile phone is placed randomly on the lifting surface 43, and then the centering block 3 is pushed backward, the baffle 44 abuts against the two sides of the mobile phone, so that the mobile phone is automatically centered. Embodiment

[0052] As shown in Figures 6-18 The application discloses a semi-automatic film pasting box which adopts the centering mechanism in embodiment 1, and further comprises a base 1, an upper cover 2, a top positioning block 5 and a pull rod 6. One end of the upper cover 2 is rotatably connected with one end of the base 1. The inner side of the upper cover 2 is provided with film hanging columns 27 for installing a film group 7. The film hanging columns 27 are four and are used for fixing four corners of the film group 7. The centering block 3 and the top positioning block 5 are slidably installed in the base 1. One end of the pull rod 6 is installed on the upper cover 2, and the other end is installed on the top positioning block 5. The guide sliding columns 41 at the bottom of the left and right positioning blocks 4 pass through the guide holes 31 of the centering block 3 and the horizontal guide holes 15 of the base 1 in sequence. When the centering block 3 moves forward and backward, the left and right positioning blocks 4 are driven to open and close to clamp or release the mobile phone 8. The left and right positioning blocks 4 move equidistantly with the center line as the center under the traction of the centering block 3. No matter the size of the mobile phone 8, the left and right positioning blocks 4 can center the mobile phone 8.

[0053] As shown in Figure 7As shown, the bottom of the base 1 is provided with a centering block tension spring 45 and a top tension spring 51. One end of the centering block tension spring 45 is hooked onto the base 1, and the other end is hooked onto the centering block 3. One end of the top tension spring 51 is hooked onto the base 1, and the other end is hooked onto the top positioning block 5. The base 1 has a long hook hole 16 for the hooks 161 of the top positioning block 5 and the centering block 3 to pass through. When the top cover 2 is opened and closed, the top cover 2 and the tension spring drive the pull rod 6, the top positioning block 5, the centering block 3, and the left and right positioning blocks 4 to move.

[0054] like Figure 9 , 10 As shown, to improve the accuracy of screen protector application, the top of the base 1 is provided with a base fitting strip 11, and a fitting block 12 is provided on the fitting strip. The top cover 2 is provided with a top cover fitting strip 22 and a fitting notch 221 that match the base fitting strip 11 and the fitting block 12. This design allows the top cover 2 to be precisely aligned with the base 1. Since the screen protector is on the top cover 2 and the mobile phone 8 is on the base 1, the accuracy of screen protector application is improved.

[0055] like Figure 10 , 11 As shown, the base 1 has a guide groove 13, and a guide rail 131 is provided above the guide groove 13. The two sides of the top positioning block 5 are installed in the guide groove 13 and the guide rail 131. Figure 12 , 18 As shown, the top positioning block 5 is also provided with an extension plate 53, and the end of the extension plate 53 forms a snap-fit ​​part 52. The extension plate 53 and the snap-fit ​​part 52 are located in the clutch hole 32 of the centering block 3. When the opening angle of the top cover 2 exceeds the set angle, the snap-fit ​​part 52 drives the centering block 3 to move. The design of the clutch hole 32 and the extension plate 53 realizes the fixation of mobile phones 8 of different lengths.

[0056] like Figure 12 , 13 As shown, the horizontal anti-detachment sliders 42 at both ends of the left and right positioning blocks 4 pass through the anti-detachment holes 14 of the base 1 and abut against the bottom surface of the base 1.

[0057] like Figure 15 , 17 As shown, to better eliminate air bubbles, a recessed spring tab 21 is provided at one end of the top cover 2, and part of the film mounting post 27 is set on the recessed spring tab 21. When the top cover 2 and the base 1 are closed, the recessed spring tab 21 presses one end of the film assembly 7 onto the screen. A shaft hole 17 is provided at one end of the base 1, and the top cover pivot 24 at one end of the top cover 2 is installed in the shaft hole 17. A hook 26 for fastening the base 1 is provided at the other end of the top cover 2, and a notch for pulling out the release film 73 is also provided at the end of the top cover 2 near the hook 26. The pull rod hole 23 of the top cover 2 and the long shaft hole 54 of the top positioning block 5 are both elongated, allowing the connecting shaft 61 of the pull rod 6 to move and rotate to adapt to mobile phones 8 of different lengths.

[0058] In this embodiment, asFigure 6 As shown in the drawings, the upper cover 2 is provided with a plurality of observation holes 25, which are convenient for observing the film pasting process. Figure 10 As shown in the drawings, the inner surface of the base 1 is further provided with a guide block 19 for guiding the movement of the centering block 3. The centering block 3 is provided with a lifting ring 33 for lifting the mobile phone 8. The end of the base 1 is provided with a tail positioning block 18 for positioning the end of the mobile phone 8, and the bottom of the base 1 is provided with a hook 161 for hooking the centering block tension spring 45 and the top tension spring 51.

[0059] In order to understand the disclosure of the utility model more thoroughly and comprehensively, the principle will be further explained in combination with the use mode.

[0060] In use, the upper cover 2 is opened, and in the opening process, the upper cover 2 pulls the pull rod 6, and the pull rod 6 pulls the top positioning block 5. When the top positioning block 5 moves, it will pull the top tension spring 51, so that the tension spring is charged. As shown in the drawings, Figure 18 As shown in the drawings, continue to turn over the upper cover 2, the clamping part 52 of the top positioning block 5 will be clamped in the clutch hole 32 of the centering block 3, and then continue to turn over the upper cover 2, the top positioning block 5 will pull the centering block 3 to move.

[0061] When the centering block 3 moves, the left and right positioning blocks 4 installed on the centering block 3 will move horizontally to the two sides due to the guide hole 31 and the horizontal guide hole 15 of the base 1, so as to realize the opening, and the centering block tension spring 45 is elongated and charged.

[0062] After the upper cover 2 is opened, as shown in the drawings, Figure 15 As shown in the drawings, directly place the mobile phone 8 on the lifting surface 43 of the left and right positioning blocks 4, then install the film set 7 with the positioning film 71, the protective film 72 and the release film 73 on the film hanging column 27 of the upper cover 2, as shown in the drawings, Figure 16 As shown in the drawings, wipe the screen surface of the mobile phone 8 clean, and then close the cover.

[0063] In the process of closing the upper cover 2, the centering block tension spring 45 and the top tension spring 51 constantly pull the centering block 3 and the top positioning block 5, so that the left and right positioning blocks 4 clamp and center the mobile phone 8, the tail of the mobile phone 8 abuts against the tail positioning block 18 of the base 1, and the head of the mobile phone 8 is abutted by the top positioning block 5. After closing, the upper cover engagement strip 22 of the upper cover 2, the engagement notch 221 is just aligned with the base engagement strip 11 and the engagement block 12 at the top of the base 1, and the hook 26 of the upper cover 2 hooks the base 1, and the sinking spring 21 of the upper cover 2 abuts against one end of the film set 7 on the screen, as shown in the drawings. Figure 17

[0064] ​Pull the pull tab 731, and pull out the release film 73. The tail of the film is pressed to the screen surface by the sinking spring 21. When the release film 73 is pulled out, the tail of the protective film 72 starts to contact the screen, and automatically exhausts to the top. The top has the positioning film 71 pulled, which ensures that the film at the top is suspended over the screen and will not contact in advance, thereby solving the problem of bubble generation. During the process of pasting the film, the observation hole 25 of the upper cover 2 can be observed.

[0065] When the protective film 72 is completely pasted with the screen, the upper cover 2 is opened, and the positioning film 71 is removed.

[0066] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application. The application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the application pertains or can relate. The specification and examples are to be considered exemplary only, with the true scope and spirit of the application indicated by the following claims.

[0067] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein the term "and / or" includes any and all combinations of one or more of the associated listed items. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "contains", "containing" as used herein, are specifically intended to be construed as open-ended terms (i.e., the terms do not allow for exclusion of any additional elements, but, rather, require only that elements be "comprises", "comprising", "includes", "including" or "contains", "containing"). The terms "coupled" and "coupling" as used herein, mean the joining of two members directly or indirectly to one another. Such joining can be stationary in nature or movable in nature. The terms "attached" and "attaching" as used herein, mean the joining of two members directly or indirectly to one another. Such joining can be stationary in nature or movable in nature. The terms "connected" and "connecting" as used herein, mean the joining of two or more elements together in an operable manner for transferring persons or materials between or among the elements. Such joining can be stationary in nature or movable in nature. The terms "upper", "lower", "left", "right" and the like as used herein are intended to be textually illustrative only and are not intended to be limiting, unless otherwise indicated to the contrary.

[0068] It is to be understood that the application is not limited to the specific structures described herein and illustrated in the accompanying drawings, which are presented for the purpose of exemplification and illustration only, and that various modifications and changes can be made thereto without departing from the scope of the application. The scope of the application is limited only by the claims appended hereto.

Claims

1. A centering mechanism, characterized in that: The device includes a center block (3) and left and right positioning blocks (4). The center block (3) has several strip-shaped guide holes (31), and two adjacent guide holes (31) are arranged in a figure-eight pattern. There are two left and right positioning blocks (4), which are installed in the guide holes (31) of the center block (3) through the bottom guide slides (41). The left and right positioning blocks (4) have a support surface (43) for supporting the film-applying equipment on the top and a baffle (44) for abutting the side of the film-applying equipment on the side. By pulling the center block (3) to move, the two left and right positioning blocks (4) can be closed or separated synchronously.

2. The centering mechanism according to claim 1, characterized in that: There are four guide holes (31), arranged in pairs in a figure-eight pattern, and two guide slides (41) are provided at the bottom of each left and right positioning block (4).

3. The centering mechanism according to claim 1, characterized in that: Both ends of the bottom of the left and right positioning blocks (4) are provided with horizontal anti-detachment sliders (42) to control the left and right positioning blocks (4) to move unidirectionally on the same plane.

4. A semi-automatic film applicator, comprising the centering mechanism as described in any one of claims 1-3, characterized in that: It also includes a base (1), a top cover (2), a top positioning block (5), and a pull rod (6). One end of the top cover (2) is rotatably connected to one end of the base (1). The inner side of the top cover (2) is provided with a film hanging column (27) for installing the membrane assembly (7). The centering block (3) and the top positioning block (5) are slidably installed in the base (1). One end of the pull rod (6) is installed on the top cover (2), and the other end is installed on the top positioning block (5). The guide slides (41) at the bottom of the left and right positioning blocks (4) pass through the guide hole (31) of the centering block (3) and the horizontal guide hole of the base (1) in sequence. (15) When the split block (3) moves back and forth, it drives the left and right positioning blocks (4) to open and close to clamp or release the mobile phone (8); the bottom of the base (1) is provided with a split block tension spring (45) and a top tension spring (51). One end of the split block tension spring (45) is fixed on the base (1) and the other end is fixed on the split block (3). One end of the top tension spring (51) is fixed on the base (1) and the other end is fixed on the top positioning block (5); when the top cover (2) is opened and closed, the top cover (2) and the tension spring drive the pull rod (6), the top positioning block (5), the split block (3), and the left and right positioning blocks (4) to move.

5. A semi-automatic film applicator according to claim 4, characterized in that: The base (1) is provided with a base fitting strip (11) on its top, and a fitting block (12) is provided on the fitting strip. The upper cover (2) is provided with an upper cover fitting strip (22) and a fitting notch (221) that match the base fitting strip (11) and the fitting block (12).

6. A semi-automatic film applicator according to claim 4, characterized in that: The base (1) has a guide groove (13), and a guide rail (131) is provided above the guide groove (13). The two sides of the top positioning block (5) are installed in the guide groove (13) and the guide rail (131). The top positioning block (5) is also provided with an extension plate (53). The end of the extension plate (53) forms a snap-fit ​​part (52). The extension plate (53) and the snap-fit ​​part (52) are located in the clutch hole (32) of the split block (3). When the opening angle of the top cover (2) exceeds the set angle, the snap-fit ​​part (52) drives the split block (3) to move.

7. A semi-automatic film applicator according to claim 4, characterized in that: The horizontal anti-detachment slider (42) passes through the anti-detachment hole (14) of the base (1) and abuts against the bottom surface of the base (1); one end of the upper cover (2) is provided with a sinking spring (21), and some film hanging columns (27) are provided on the sinking spring (21). When the upper cover (2) and the base (1) are closed, the sinking spring (21) presses one end of the film assembly (7) onto the screen.

8. A semi-automatic film applicator according to claim 4, characterized in that: One end of the base (1) is provided with a shaft hole (17), and the upper cover (2) has a shaft (24) installed in the shaft hole (17). The other end of the upper cover (2) is provided with a hook (26) for fastening the base (1). The upper cover (2) is also provided with a notch for pulling out the release film (73) at the end near the hook (26).

9. A semi-automatic film applicator according to claim 4, characterized in that: The pull rod hole (23) of the top cover (2) and the long shaft hole (54) of the top positioning block (5) are both long strips; the top cover (2) is provided with several observation holes (25).

10. A semi-automatic film applicator according to claim 4, characterized in that: The inner surface of the base (1) is also provided with a center block guide strip (19) to guide the movement of the center block (3), and the center block (3) has a central protrusion to form a lifting ring (33) for lifting the mobile phone (8); the end of the base (1) is provided with a tail positioning block (18) for positioning the end of the mobile phone (8), and the bottom of the base (1) is provided with a hook (161) for hooking the center block tension spring (45) and the top tension spring (51).

Images