Packaging box for electronic product film pasting and film pasting suite

Abstract

The utility model provides a packaging box for electronic product film pasting and a film pasting suite. The packaging box comprises a shell, a containing inner cavity is formed in the shell, a plurality of replaceable limiting blocks are arranged in the containing inner cavity, a limiting area is defined by the limiting blocks and the containing inner cavity, and the limiting area is used for containing an electronic product to be subjected to film pasting; the cover body is hinged to the shell, a plurality of diaphragm limiting parts are arranged on the cover body, and the diaphragm limiting parts are used for being connected with the positioning release layer of the protective film so that the protective film can be located on the cover body; and when the cover body covers the shell, a dust removal gap is formed between the protective film and the surface of the electronic product. The problems that when used as a packaging box, a film pasting device in the prior art cannot be matched with mobile phones of various sizes, the number of opened molds is large, and the production cost is high are solved.

Description

Technical Field

[0001] This application relates to the field of screen protector application tools, and more specifically, to a packaging box and screen protector application kit for applying screen protectors to electronic products. Background Technology

[0002] To protect the screens of mobile phones, tablets, and other terminal devices, users typically apply a protective film, such as a tempered glass film or a soft film, to the flat surface of the device to prevent scratches. During the application process, in order to achieve smooth lines and avoid air bubbles, thus maintaining the aesthetic appearance of the terminal device, a screen protector applicator is usually used to assist users in precise positioning and application, thereby improving the application effect.

[0003] Some existing screen protector applicators can be used directly as packaging boxes for screen protectors, allowing the protector to be installed directly on the applicator before shipping. This eliminates the need for separate packaging boxes for the protector, saving production costs. However, existing packaging boxes are usually only suitable for one type of phone, while multiple molds are needed for different sizes within the same series of phones, resulting in a large number of molds and high production costs.

[0004] Therefore, existing technologies still need to be improved and developed. Utility Model Content

[0005] The purpose of this application is to provide a packaging box and a screen protector kit for applying screen protectors to electronic products, which solves the problem that existing screen protector applicators cannot be adapted to various sizes of mobile phones when used as packaging boxes, resulting in a large number of molds and high production costs.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] On the one hand, this application provides a packaging box for applying film to electronic products, including: a shell, an inner cavity provided inside the shell, a plurality of replaceable limiting blocks provided in the inner cavity, the limiting blocks and the inner cavity forming a limiting area, the limiting area being used to accommodate the electronic product to be applied film;

[0008] The cover is hinged to the shell and has multiple diaphragm limiting parts. The diaphragm limiting parts are used to connect the positioning release layer of the protective film so that the protective film is located on the cover.

[0009] When the cover is placed on the housing, there is a dust removal gap between the protective film and the surface of the electronic product.

[0010] Optionally, the housing is provided with a fixing boss, which forms an accommodating cavity;

[0011] The multiple limiting blocks include: a length limiting block and a width limiting block. The length limiting block is set on one side of the length direction and abuts against the two ends of the length of the electronic product, respectively, along with the fixed boss on the other side of the length direction.

[0012] The width limiting block is set on one side of the accommodating cavity in the width direction, and abuts against the two ends of the width of the electronic product, together with the fixing boss on the other side in the width direction.

[0013] Optionally, the bottom of the accommodating cavity is provided with a length mounting groove and a width mounting groove, and the length limiting block can be replaced and set in the length mounting groove, and the width limiting block can be replaced and set in the width mounting groove.

[0014] Optionally, multiple width limiting blocks are provided, and the multiple width limiting blocks are spaced apart to form a button clearance space to avoid side buttons on electronic products.

[0015] Optionally, the diaphragm limiting part includes: a first limiting member, which is disposed at one end of the cover body facing the hinge position in the length direction;

[0016] The second limiting member is located at the other end of the length direction of the cover.

[0017] The first limiting member and the second limiting part are used to connect the positioning release layer of the protective film.

[0018] Optionally, a mating part is provided on the fixed boss on one side in the width direction;

[0019] When the cover is placed on the shell, the mating part is positioned by the second limiting member.

[0020] Optionally, the second limiting member includes at least one group of limiting posts, and each group of at least one limiting post includes a positioning post and a film attaching post respectively disposed on both sides in the width direction.

[0021] The mating part includes a mating boss and a positioning groove formed on the mating boss, the positioning groove being used to fit a positioning post.

[0022] Optionally, the second limiting member further includes an auxiliary post, which is located on the same side of the housing in the width direction as the positioning post, and the auxiliary post is located between the first limiting member and the second limiting member in the length direction;

[0023] The docking part also includes an auxiliary boss, and the positioning groove on the auxiliary boss is used to fit the auxiliary column.

[0024] Optionally, the cover is also provided with a winding crossbar, and a pull-out opening is formed between the winding crossbar and the inner wall of the cover;

[0025] Pull out the opening to allow the protective film to be torn off the release layer, and then bend it around the crossbar and insert it between the cover and the shell.

[0026] On the other hand, this application also proposes a film application kit, which includes a packaging box for applying film to electronic products as described above and a protective film;

[0027] The protective film includes: an adhesive layer, a positioning release layer, and a peel-off release layer. The positioning release layer is attached to the lid of the packaging box used for applying the film to electronic products.

[0028] The beneficial effects of the packaging box and film application kit for electronic products provided in this application are at least as follows: By placing the electronic product to be filmed in the limiting area of ​​the housing, the protective film is connected to the cover through the film limiting part. Since the cover is hinged to the housing, it can be directly sealed onto the housing, thereby ensuring that the protective film on the cover is opposite to and aligned with the electronic product inside the housing. A dust removal gap exists between the protective film and the surface of the electronic product. Pulling the release liner of the protective film allows it to slide across the screen surface of the mobile terminal within the dust removal gap, achieving dust removal. After the release liner detaches from the protective film, the film layer is exposed and faces the electronic product. Pressing the cover then causes the film layer to move downwards and adhere to the screen of the electronic product. Therefore, by setting multiple replaceable limiting blocks in the accommodating cavity of the housing, the limiting blocks are matched with the size of the electronic product to be covered, thus forming a limiting area that matches the electronic product; in this way, when covering electronic products of different sizes, only different limiting blocks need to be produced for adaptation, while the entire housing and cover can remain unchanged. Thus, in the production process, only one set of molds is needed to produce the housing and cover to adapt to electronic products of various sizes, reducing production costs. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of a packaging box for applying a protective film to electronic products after the protective film has been installed, as provided in an embodiment of this application.

[0031] Figure 2 A schematic diagram of the structure of a packaging box for applying film to electronic products, provided as an embodiment of this application;

[0032] Figure 3 An exploded view of a packaging box for applying film to electronic products, provided in an embodiment of this application;

[0033] Figure 4A schematic diagram of the structure of a packaging box and a protective film for applying film to electronic products, provided in an embodiment of this application;

[0034] Figure 5 An exploded view of the protective film of a film-applying kit provided in an embodiment of this application.

[0035] The following are the labeling elements in the figure:

[0036] 10. Protective film; 11. Positioning release layer; 12. Connecting hole; 13. Adhesive layer; 14. Peel-off release layer; 100. Housing; 101. Hinge hole; 102. Alignment groove; 110. Accommodating cavity; 120. Limiting block; 121. Length limiting block; 122. Width limiting block; 123. Button clearance; 130. Fixing boss; 140. Length mounting groove; 141. Width mounting groove; 150. Butt joint Part; 151, Docking boss; 152, Positioning groove; 160, Auxiliary boss; 200, Cover; 201, Hinge post; 202, Alignment post; 210, Winding crossbar; 211, Pull-out opening; 220, Material reduction groove; 300, Diaphragm limiting part; 310, First limiting component; 311, Hook; 320, Second limiting component; 321, Limiting post assembly; 322, Positioning post; 323, Film hanging post; 324, Auxiliary post. Detailed Implementation

[0037] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0038] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it may be directly or indirectly located on that other component. When a component is referred to as "connected to" another component, it may be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate orientations or positions based on the accompanying drawings, and are for ease of description only, and should not be construed as limiting the technical solution. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "A plurality" means two or more, unless otherwise explicitly defined.

[0039] Example 1

[0040] like Figure 1 , Figure 2As shown, this embodiment proposes a packaging box for applying screen protectors to electronic products. The electronic product in this embodiment can be a mobile phone, or other electronic devices such as a tablet, e-reader, or smartwatch. For ease of structural description, the long side of the mobile phone is taken as the length direction, the short side as the width direction, and the thickness direction as the vertical direction. Figure 4 , Figure 5 As shown, the packaging box for applying screen protectors to electronic products is used to adhere the protective film 10 to the screen of a mobile phone. The protective film 10 mainly includes: an adhesive layer 13, a positioning release layer 11, and a peel-off release layer 14. The adhesive layer 13 is used to adhere to the surface of the mobile phone, thereby protecting the mobile phone screen. The positioning release layer 11 is detachably disposed on one side of the adhesive layer 13 and is used to connect to the packaging box for applying screen protectors to electronic products. The peel-off release layer 14 is disposed on the side of the adhesive layer 13 opposite to the positioning release layer 11 and facing the mobile phone. In use, both the positioning release layer 11 and the peel-off release layer 14 are pulled away from the adhesive layer 13, leaving only the adhesive layer 13 adhered to the surface of the mobile phone screen.

[0041] like Figure 1 , Figure 2 , Figure 3As shown in the figure, this embodiment proposes a packaging box for applying screen protectors to electronic products, mainly comprising: a shell 100 and a cover 200. The shell 100 has an accommodating cavity 110. The shell 100 is a long-axis structure matching the shape of a mobile phone, thus having length, width, and thickness directions. The opening of the accommodating cavity 110 faces upwards. Multiple replaceable limiting blocks 120 are provided within the accommodating cavity 110. The limiting blocks 120 and the accommodating cavity 110 form a limiting area, which is used to accommodate the electronic product to be coated. By replacing the limiting blocks 120 of different sizes, the length and width dimensions of the limiting area can be changed, thereby adapting to mobile phones of different sizes. The cover 200 also adopts a rectangular structure, and one end of the cover 200 is hinged to the housing 100 along its length. Specifically, hinge posts 201 are provided on the outer walls of the left and right sides of the front end of the cover 200, and hinge holes 101 are provided on the inner walls of the left and right sides of the front end of the housing 100. The hinge posts 201 on the cover 200 are inserted into the hinge holes 101, so that the front end of the cover 200 is hinged to the front end of the housing 100 and can be flipped. In addition, alignment posts 202 are also provided on the outer wall of the cover 200, and corresponding alignment grooves 102 are provided on the inner wall of the housing 100. During the flipping process of the cover 200 on the housing 100, the alignment posts 202 can flip into the alignment grooves 102, so that the cover 200 and the housing 100 are properly aligned. Multiple film limiting parts 300 are provided on the cover 200. These multiple film limiting parts 300 are used to connect the positioning release layer 11 of the protective film 10, so that the protective film 10 is positioned on the cover 200. When the mobile phone to be coated is placed inside the limiting block 120 in the housing 100 and limited, the mobile phone cannot move back, forth, left, or right within the housing 100. Then, the cover 200 is flipped over so that it covers the housing 100. First, the peel-off release layer 14 of the protective film 10 is peeled off, exposing the film layer 13 of the protective film 10 and facing the screen of the mobile phone to be coated. Then, the film layer 13 is adhered to the electronic product. Since there is a gap between the screen of the mobile phone and the protective film 10, the peel-off release layer 14 can easily contact the screen of the mobile phone through this gap during the peeling process, thus achieving the screen dust removal function.

[0042] like Figure 1 , Figure 2 , Figure 3As shown, this embodiment of a packaging box for applying a screen protector to electronic products involves placing the electronic product to be protected in the limiting area of ​​the housing 100. The protective film 10 is connected to the cover 200 via the film limiting part 300. Since the cover 200 is hinged to the housing 100, it can be directly sealed onto the housing 100, thereby ensuring that the protective film 10 on the cover 200 is aligned with the electronic product inside the housing 100. A dust removal gap exists between the protective film 10 and the surface of the electronic product. Pulling the release liner 14 of the protective film 10 allows it to slide across the screen surface of the mobile terminal within the dust removal gap, achieving dust removal. After the release liner 14 detaches from the protective film 10, the film layer 13 is exposed and faces the electronic product. Pressing the cover 200 then causes the film layer 13 to move downwards and adhere to the screen of the electronic product. Therefore, by providing multiple replaceable limiting blocks 120 in the accommodating cavity 110 of the housing 100, the limiting blocks 120 are matched with the size of the electronic product to be covered, thereby forming a limiting area that matches the electronic product; in this way, when covering electronic products of different sizes, only different limiting blocks 120 need to be produced for adaptation, while the entire housing 100 and cover 200 can remain unchanged. Thus, in the production process, only one set of molds is needed to produce the housing 100 and cover 200 to adapt to electronic products of various sizes, thereby reducing production costs.

[0043] like Figure 1 , Figure 2 , Figure 3 As shown, the housing 100 of this embodiment further includes a bottom plate, side baffles are respectively provided on the left and right sides (both sides in the width direction) of the bottom plate, a baffle plate is provided on the rear side of the bottom plate, and a fixing boss 130 is fixedly provided on the inner side of one side baffle and a fixing boss 130 is also provided on the front side of the bottom plate. The fixing boss 130 on the left and right side is connected to and perpendicular to the fixing boss 130 on the front side, and together with the baffle on the other side in the left and right direction and the baffle plate on the rear side, they form an accommodating cavity 110.

[0044] like Figure 2 , Figure 3As shown, the multiple limiting blocks 120 in this embodiment specifically include: a length limiting block 121 and a width limiting block 122. The length limiting block 121 is disposed on one side of the length direction and abuts against both ends of the length of the electronic product together with the fixing boss 130 on the other side of the length direction. The width limiting block 122 is disposed on one side of the width direction of the accommodating cavity 110 and abuts against both ends of the width of the electronic product together with the fixing boss 130 on the other side of the width direction. Both the length limiting block 121 and the width limiting block 122 are square blocks. The length limiting block 121 abuts against the inner side of the side panel and, together with the fixing boss 130 on the front side, limits the length of the mobile phone; the width limiting block 122 abuts against the inner side of the side panel on the right side and, together with the fixing boss 130 on the left side, limits the width of the mobile phone.

[0045] like Figure 2 , Figure 3 As shown, further, the bottom of the accommodating cavity 110 in this embodiment is provided with a length mounting groove 140 and a width mounting groove 141. The length limiting block 121 can be replaced and disposed within the length mounting groove 140, and the width limiting block 122 can be replaced and disposed within the width mounting groove 141. Both the length mounting groove 140 and the width mounting groove 141 are lower than the bottom surface of the accommodating cavity 110, thus limiting the installation of the length limiting block 121 and the width limiting block 122 respectively, defining the specific installation area of ​​the limiting block 120, making the installation of the limiting block 120 more convenient.

[0046] like Figure 2 As shown, in this embodiment, multiple width limiting blocks 122 are provided, and the multiple width limiting blocks 122 are spaced apart to form button clearance positions 123, so as to avoid side buttons of electronic products. By setting multiple width limiting blocks 122, the longer side of the mobile phone is supported in multiple areas, thereby making the support of the mobile phone more stable.

[0047] like Figure 1 , Figure 2 , Figure 3 As shown, the diaphragm limiting part 300 in this embodiment further includes a first limiting member 310 and a second limiting member 320. The first limiting member 310 is disposed at one end of the cover 200 along its length toward the hinge position, and the second limiting member 320 may be disposed at the other end of the cover 200 along its length or at other positions on the cover 200. The first limiting member 310 and the second limiting member are respectively used to connect the positioning release layer 11 of the protective film 10. By connecting the protective film 10 along its length, the protective film 10 can be stably installed on the cover 200.

[0048] like Figure 1 , Figure 2 , Figure 3As shown, a docking portion 150 is provided on the fixing boss 130 on one side of the width direction in this embodiment. When the cover 200 is sealed on the housing 100, the docking portion 150 is docked and positioned with the second limiting member 320. Therefore, the second limiting member 320 is not only used to connect the protective film 10, but also acts as a positioning post 322 to cooperate with the docking portion 150 for positioning, ensuring that the cover 200 can be accurately sealed on the housing 100.

[0049] like Figure 2 , Figure 3 As shown, further, the first limiting member 310 of this embodiment includes two hooks 311, which are spaced apart in the width direction. The two hooks 311 can be square. The two hooks 311 are located at the front end of the cover 200 and are used to hook the connecting hole 12 at the front end of the positioning release layer 11 of the protective film 10. The two hooks 311 in the width direction have different shapes and / or sizes. For example, one hook 311 can be square and the other rectangular, or one hook 311 can be large and the other hook 311 can be small. This not only makes it easier for the user to identify and prevents mistaken identification, but also makes it less likely for the protective film 10 to shake and fall off when hooked.

[0050] like Figure 2 , Figure 3 As shown, the second limiting member 320 in this embodiment includes at least one limiting post group 321. Each limiting post group 321 includes a positioning post 322 and a film-attaching post 323 respectively disposed on both sides in the width direction. The positioning post 322 is frustoconical, and the film-attaching post 323 is cylindrical. This facilitates the positioning of the connecting hole 12 at the rear end of the release layer 11 onto the positioning post 322 and the film-attaching post 323, so that the protective film 10 can be stably limited. In this embodiment, two limiting post groups 321 are provided, and the two limiting post groups 321 are spaced apart in the length direction. Therefore, two sets of limiting post groups 321 are provided at the rear end of the cover plate. For example, two positioning posts 322 are spaced apart on the left side and two film-attaching posts 323 are spaced apart on the right side of the rear end of the cover 200. By using two limiting post groups 321, the protective film 10 can be limited at both ends in the length direction and both ends in the width direction. At the same time, it can also increase the docking accuracy between the positioning post 322 and the docking part 150, so that after the cover 200 is flipped over to cover the shell 100, the alignment of the protective film 10 and the mobile phone is more accurate.

[0051] like Figure 1 , Figure 2 , Figure 3As shown, the docking part 150 in this embodiment further includes a docking boss 151 and a positioning groove 152 formed on the docking boss 151. The positioning groove 152 is used to engage the positioning post 322. Accurate positioning is achieved through the cooperation between the positioning post 322 and the positioning groove 152. Furthermore, when two sets of limiting post groups 321 are used, the positioning groove 152 adopts an oblong hole, and positioning is achieved through the cooperation between the oblong hole and the two positioning posts 322.

[0052] like Figure 1 , Figure 2 , Figure 3 As shown, further, the second limiting member 320 in this embodiment also includes an auxiliary post 324. The auxiliary post 324 and the positioning post 322 are located on the same side of the width direction of the housing 100, and the auxiliary post 324 is located between the first limiting member 310 and the second limiting member 320 in the length direction. The docking part 150 also includes an auxiliary boss 160, and the positioning groove 152 on the auxiliary boss 160 is used to fit the auxiliary post 324. The structure of the auxiliary post 324 is the same as the structure of the positioning post 322. Therefore, three positioning structures are provided on the left side, so that after the cover 200 is flipped over and covers the housing 100, the fit is more stable and the alignment of the protective film 10 and the mobile phone is more accurate.

[0053] like Figure 1 , Figure 2 , Figure 3 As shown, in this embodiment, the cover 200 is further provided with a winding crossbar 210, and a pull-out opening 211 is formed between the winding crossbar 210 and the inner wall of the cover 200. The pull-out opening 211 is used for the protective film 10 to pass through the release layer 14, and after being bent around the winding crossbar 210, it is inserted between the cover 200 and the shell 100. At the factory, the protective film 10 is connected to the cover 200 by the positioning release layer 11, and the release layer 14 passes through the pull-out opening 211, bends around the winding crossbar 210, and is inserted between the cover 200 and the shell 100, so that the release layer 14 does not protrude from the rear end of the cover 200. When applying the film, the release layer 14 is flipped out from the winding crossbar 210, so that the release layer 14 protrudes from the rear end of the cover 200, making it easy to pull out from the pull-out opening 211.

[0054] like Figure 1 , Figure 2 , Figure 3 As shown, in addition, to facilitate pressing the cover 200, a material reduction groove 220 or a pressing hole is provided on the inner wall surface of the cover 200. The material reduction groove 220 makes the cover 200 thinner at this position, thereby facilitating deformation and pressing the protective film 10; if a pressing hole is used, it can be pressed directly.

[0055] Example 2

[0056] like Figure 1 , Figure 4 As shown, this embodiment provides a film application kit, which includes a packaging box for applying film to electronic products as described above, and a protective film 10. Figure 4 , Figure 5 As shown, the protective film 10 in this embodiment specifically includes: an adhesive layer 13, a positioning release layer 11, and a peel-off release layer 14. The adhesive layer 13 is used to adhere to the surface of the mobile phone to protect the screen. The positioning release layer 11 is detachably disposed on one side of the adhesive layer 13 and is used to connect to the cover 200 of the packaging box for applying the screen protector to electronic products. One end of the positioning release layer 11 in the length direction is provided with a front connecting hole 12, and the other end is provided with a rear connecting hole 12. A through hole is provided near the limiting hole. The pull hole can be fitted onto the first limiting part. The front connecting hole 12 is used to fit onto the first limiting part for limiting, and the rear connecting hole 12 is fitted onto the second limiting part, thereby connecting the positioning release layer 11 to the cover 200 of the packaging box for applying the screen protector to electronic products.

[0057] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A packaging box for electronic product film, characterized in that, include: A housing, wherein an inner cavity is provided inside the housing, and a plurality of replaceable limiting blocks are provided in the inner cavity. The limiting blocks and the inner cavity form a limiting area, which is used to accommodate an electronic product to be coated with a film. A cover body, which is hinged to the housing, and the cover body is provided with a plurality of diaphragm limiting parts, which are used to connect the positioning release layer of the protective film so that the protective film is located on the cover body; When the cover is placed over the housing, the protective film has a dust-removing gap with the surface of the electronic product.

2. The packaging box for electronic product film pasting according to claim 1, wherein, The housing is provided with a fixing boss, which forms the accommodating cavity; The plurality of limiting blocks include: a length limiting block and a width limiting block, wherein the length limiting block is disposed on one side of the length direction and abuts against the two ends of the length of the electronic product respectively with the fixed boss on the other side of the length direction; The width limiting block is disposed on one side of the accommodating cavity in the width direction, and abuts against both ends of the width of the electronic product, together with the fixed boss on the other side in the width direction.

3. The packaging box for electronic product film pasting according to claim 2, characterized in that, The bottom of the accommodating cavity is provided with a length mounting groove and a width mounting groove. The length limiting block can be replaced and installed in the length mounting groove, and the width limiting block can be replaced and installed in the width mounting groove.

4. The packaging box for the film pasting of electronic products according to claim 3, characterized in that, Multiple width limiting blocks are provided, and the multiple width limiting blocks are spaced apart to form button avoidance positions, so as to avoid the side buttons of the electronic product.

5. The packaging case for the film pasting of electronic products according to claim 2, wherein, The diaphragm limiting part includes: a first limiting member, which is disposed at one end of the cover body facing the hinge position along the length direction; The second limiting member is disposed on the cover; The first limiting member and the second limiting member are respectively used to connect the positioning release layer of the protective film.

6. The packaging box for the film pasting of electronic products according to claim 5, wherein, A mating portion is provided on the fixed boss on one side of the width direction; When the cover is placed on the housing, the docking part is docked and positioned with the second limiting member.

7. The packaging case for the film pasting of electronic products according to claim 6, wherein, The second limiting member includes at least one limiting post group, and each of the at least one limiting post group includes a positioning post and a film hanging post respectively disposed on both sides in the width direction; The mating part includes a mating boss and a positioning groove formed on the mating boss, the positioning groove being used to fit the positioning post.

8. The packaging box for the film pasting of electronic products according to claim 7, characterized in that, The second limiting member further includes an auxiliary post, which is located on the same side of the width direction of the housing as the positioning post, and the auxiliary post is located between the first limiting member and the second limiting member in the length direction; The docking part further includes an auxiliary boss, and the positioning groove on the auxiliary boss is used to fit the auxiliary column.

9. The packaging case for the film pasting of electronic products according to claim 1, wherein, The cover is also provided with a winding crossbar, and a pull-out opening is formed between the winding crossbar and the inner wall of the cover. The pull-out opening is used for the release layer of the protective film to be torn out, and after being bent around the winding crossbar, it is inserted between the cover and the housing.

10. A film application kit, characterized by, Includes packaging boxes and protective films for applying films to electronic products as described in any one of claims 1-9; The protective film includes: an adhesive layer, a positioning release layer, and a peel-off release layer, wherein the positioning release layer is attached to the lid of the packaging box used for applying the film to electronic products.

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