Film pasting device

Abstract

The utility model discloses a film pasting device and relates to the technical field of film pasting, the film pasting device comprises an upper cover, a base, a tray, a screen protection film and a protection film positioning piece, the upper cover is installed on the base in an opening and closing mode, and a drawing hole is formed in the base; the tray is installed on the base, a containing groove is formed in the tray, and a drawing opening in butt joint with the drawing hole is formed in the tray; the screen protection film is arranged in the accommodating groove; the protective film positioning piece is arranged on the groove bottom wall of the containing groove, the protective film positioning piece is bonded with the screen protective film, and the protective film positioning piece is a flexible piece; according to the technical scheme provided by the utility model, the laminating quality of the laminated film can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film pasting, in particular to a film pasting device. Background Art

[0002] In order to protect the screens of mobile terminal devices such as mobile phones and tablet computers from being scratched during use, a screen protector is usually pasted on the screen to protect the screen. The current film pasting device and the screen protector are relatively independent. During the use of the film pasting device and the screen protector, consumers need to complete the positioning to ensure the success of the film pasting. Usually, the protruding part of the release film of the screen protector away from the mobile terminal device is fixed to the film pasting device to achieve positioning. However, due to the small effective fixing area, corresponding support blocks are often required for auxiliary support, which will increase the number of parts and components, and cannot reliably guarantee the alignment effect of the screen protector and the screen, which is easy to affect the pasting quality and the success rate of the film pasting. Utility Model Content

[0003] The main purpose of the utility model is to provide a film pasting device, aiming to improve the pasting quality of the film.

[0004] In order to achieve the above-mentioned purpose, the film sticking device proposed by the utility model comprises:

[0005] An upper cover and a base, wherein the upper cover is installed on the base in an openable and closable manner, and the base is provided with a pull-out hole;

[0006] A tray is mounted on the base, wherein a receiving groove is formed on the tray and a draw-out opening is provided to connect with the draw-out hole;

[0007] A screen protection film is built into the receiving groove; and

[0008] The protective film positioning member is arranged on the bottom wall of the accommodating groove, the protective film positioning member is bonded to the screen protective film, and the protective film positioning member is a flexible member.

[0009] In one embodiment, the protective film positioning member includes an elastic body, and opposite sides of the elastic body are respectively bonded to the screen protective film and the bottom wall of the accommodating groove.

[0010] In one embodiment, the elastic body is made of any one of foam, rubber, and silicone;

[0011] Alternatively, the protective film positioning piece is double-sided foam adhesive.

[0012] In one embodiment, the protective film positioning member extends along an extension direction of a long side of the tray.

[0013] In one embodiment, the protective film positioning member is located on a symmetry line of a short side of the tray.

[0014] In one embodiment, the length of the protective film positioning member is a, 135 mm ≤ a ≤ 165 mm.

[0015] In one embodiment, the width of the protective film positioning member is b, 5mm≤b≤10mm.

[0016] In one embodiment, the bottom wall of the accommodating groove is provided with an alignment groove for installing the protective film positioning member.

[0017] In one embodiment, the inner wall of the receiving groove is provided with a limiting step for installing the screen protective film, so that the screen protective film is spaced apart from the bottom wall of the receiving groove, and the screen protective film is clamped on the limiting step;

[0018] The limiting step is also used to support the equipment to be film-mounted.

[0019] In one embodiment, the tray is detachably mounted on the base.

[0020] In one embodiment, the screen protection film includes a film body, a first release film and a second release film respectively attached to opposite sides of the film body, and a pull strip connecting the second release film;

[0021] The first release film is bonded to the protective film positioning piece, and one end of the pull strip away from the second release film passes through the pull-out opening and the pull-out hole in sequence.

[0022] In one embodiment, an auxiliary positioning hole is provided on the first release film, and the auxiliary positioning hole is used to align the protective film positioning piece.

[0023] In one embodiment, two auxiliary positioning holes are arranged at intervals along the extension direction of the long side of the tray, and the maximum distance between the two auxiliary positioning holes is the same as the length of the protective film positioning piece.

[0024] In the technical solution of the utility model, a protective film positioning piece is arranged between the screen protective film and the bottom wall of the accommodating groove, wherein the protective film positioning piece is bonded to the screen protective film, and the protective film positioning piece is a flexible piece, so that the screen protective film can be pre-supported and positioned in the tray before the film is applied, so that when the consumer starts to apply the film, he only needs to place the device to be applied with the film in the accommodating groove to achieve the effect of accurate alignment of the film once, thereby simplifying the film application steps for consumers, helping to reduce the difficulty of film application, and improving the success rate and quality of film application.

[0025] In addition, by utilizing the flexible characteristics of the protective film positioning piece, pressing the screen protective film against the screen of the device to be applied after the film is applied can help reduce the generation of bubbles and provide a buffer for the adhesion of the screen protective film and the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0027] Figure 1 A structural schematic diagram of an embodiment of a film sticking device provided by the utility model;

[0028] Figure 2 for Figure 1 Assembly diagram of the film laminating device and the equipment to be laminating;

[0029] Figure 3 for Figure 1 Schematic diagram of the assembly of the middle tray and screen protector;

[0030] Figure 4 for Figure 3 A schematic diagram of the structure of the screen protection film and the release film connection part at A in the middle;

[0031] Figure 5 for Figure 3 Cross-sectional view of the middle tray and screen protector;

[0032] Figure 6 for Figure 5 Sectional view at B in the middle;

[0033] Figure 7 An exploded diagram of the protective film positioning parts and the tray;

[0034] Figure 8 It is a parameter diagram of the protective film positioning part;

[0035] Fig. 9 It is a schematic diagram of assembling the protective film positioning member and the first release film;

[0036] Fig.10 for Fig. 9 Schematic diagram of the explosion of the middle protective film positioning piece and the first release film.

[0037] Description of Figure Numbers:

[0038] 11. Upper cover; 12. Base; 121. Pull-out hole;

[0039] 20. tray; 201. receiving groove; 202. avoidance gap; 203. draw-out opening; 21. chassis; 211. alignment groove; 212. long side; 213. short side; 22. limiting frame; 23. limiting step; 231. abutting surface; 232. limiting surface; 233. supporting surface; 24. release film connector; 25. protective film positioning member;

[0040] 30. Screen protection film; 31. Film body; 32. First release film; 321. Auxiliary positioning hole; 33. Second release film; 331. Extended portion; 34. Pull strip;

[0041] 100. Equipment to be laminated.

[0042] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0045] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0046] The current film sticking device and screen protective film 30 are relatively independent. During the use of the film sticking device and screen protective film 30, consumers need to complete the positioning to ensure the success of the film sticking. Usually, the protruding portion 331 of the release film of the screen protective film 30 that is away from the mobile terminal device is fixed to the film sticking device to achieve positioning. However, due to the small effective fixing area, corresponding support blocks are often required to provide auxiliary support, which will increase the number of parts and components, and cannot reliably guarantee the alignment effect of the screen protective film 30 and the screen, which is likely to affect the sticking quality and the success rate of the film sticking.

[0047] In order to solve the above technical problems, the utility model provides a film pasting device to improve the pasting quality of the film and thus increase the success rate of the film pasting.

[0048] See also Figures 1 to 10 In one embodiment of the utility model, the film sticking device includes an upper cover 11, a base 12, a tray 20, a screen protective film 30 and a protective film positioning member 25, the upper cover 11 can be installed on the base 12 in an openable and closable manner, and the base 12 is provided with a pull-out hole 121; the tray 20 is installed on the base 12, a receiving groove 201 is formed on the tray 20, and a pull-out opening 203 is provided for docking with the pull-out hole 121; the screen protective film 30 is built into the receiving groove 201; the protective film positioning member 25 is arranged on the bottom wall of the receiving groove 201, the protective film positioning member 25 is bonded to the screen protective film 30, and the protective film positioning member 25 is a flexible member.

[0049] In the technical solution of the present invention, the protective film positioning member 25 is arranged between the screen protective film 30 and the bottom wall of the receiving groove 201, wherein the protective film positioning member 25 and the screen protective film 30 are bonded, and the protective film positioning member 25 is a flexible member, so that the screen protective film 30 can be pre-supported and positioned in the tray 20 before the film is applied, so that when the consumer starts to apply the film, he only needs to place the device to be applied 100 in the receiving groove 201, so that the film can be accurately aligned once, thereby simplifying the film application steps for consumers, helping to reduce the difficulty of film application, and improving the success rate and quality of film application.

[0050] In addition, by utilizing the flexible characteristics of the protective film positioning member 25, the screen protective film 30 is pressed against the screen of the device 100 to be film-coated after the film is applied, which helps to reduce the generation of bubbles and at the same time provides a buffer for the adhesion of the screen protective film 30 and the screen.

[0051] It should be noted that the film pasting device is used to apply film to the screen of the device 100 to be pasted with film. The device 100 to be pasted with film can be a mobile terminal device with a specific shape such as a mobile phone or a tablet, and the film body 31 used is often a tempered film, and of course it can also be a hydrogel film.

[0052] The upper cover 11 can be installed on the base 12 in an openable and closable manner, that is, the upper cover 11 can be rotatably connected to one side of the base 12, or the upper cover 11 and the base 12 can be separately arranged. The base 12 is formed with a receiving cavity with an opening toward the upper cover 11, which is used to receive the tray 20, and then protect the tray 20 and the screen protective film 30 when the film laminating device is transported. During the film laminating process, after the upper cover 11 is covered, the tray 20, the screen protective film 30 and the device 100 to be laminating can be protected. The above-mentioned side can be the long side 212 or the short side 213 of the base 12, and the long side 212 and the short side 213 are arranged at an angle.

[0053] The tray 20 includes a chassis 21 and a limiting frame 22 arranged on the chassis 21, wherein the limiting frame 22 encloses a receiving groove 201 on the chassis 21, and is formed with a relatively arranged avoidance gap 202 and a pull-out opening 203, the receiving groove 201 is used to install and accommodate the screen protective film 30 and the device 100 to be film-applied, the avoidance gap 202 is used to avoid the pull strip 34 of the screen protective film 30 and provide an installation position for the second release film 33 to fix the screen protective film 30; the pull-out opening 203 is used for the extension of the pull strip 34 of the screen protective film 30 and for docking with the pull-out hole 121 of the base 12, so that the pull strip 34 extends out of the film-applying device, making it convenient for consumers to apply force to the pull strip 34. Among them, the avoidance gap 202 and / or the pull-out opening 203 can be opened on the entire short side 213 of the accommodating groove 201 (limiting frame 22), or can be opened on part of the short side 213 of the accommodating groove 201. For example, a corresponding avoidance gap 202 or pull-out opening 203 can be opened in the central area of ​​the short side 213 of the accommodating groove 201.

[0054] By bonding the protective film positioning member 25 and the screen protective film 30, the screen protective film 30 can be positioned on the tray 20 while ensuring the support of the screen protective film 30. It can be understood that compared with the prior art, the consumer relies on the positioning column at the avoidance notch 202 on the tray 20 to fix the protruding part of the first release film 32 of the screen protective film 30, and the bottom wall of the accommodating groove 201 has a larger installation surface, and protective film positioning members 25 of different sizes can be set according to the support requirements to ensure the installation stability of the screen protective film 30 on the tray 20, while improving the convenience of production; and the protective film positioning member 25 and the screen protective film 30 can be fixed to each other by bonding, and then, in the production process, the installation position of the screen protective film 30 on the tray 20 is confirmed by algorithms and other methods, and pre-positioning assembly is achieved by bonding, so as to facilitate consumers to accurately align the film once, simplify the film-sticking steps for consumers, help reduce the difficulty of film-sticking, and improve the success rate and fitting quality of film-sticking.

[0055] Specifically, in an embodiment of the utility model, the protective film positioning member 25 includes an elastic body, and the opposite sides of the elastic body are respectively bonded to the screen protective film 30 and the bottom wall of the accommodating groove 201, that is, the protective film positioning member 25 and the screen protective film 30 are bonded, and the protective film positioning member 25 is bonded to the bottom wall of the accommodating groove 201. The connection is simple and convenient, which is convenient for improving the assembly efficiency between the tray 20 and the protective film positioning member 25, and between the protective film positioning member 25 and the screen protective film 30, thereby improving the production efficiency of the film sticking device.

[0056] More specifically, in an embodiment of the present invention, the elastic body is made of any one of foam, rubber, and silicone, so as to reliably provide supporting force and buffering force during the film application process and reduce the risk of functional failure.

[0057] In another embodiment of the present invention, the two opposite sides of the protective film positioning member 25 are self-adhesive and the middle part is elastic, and the protective film positioning member is a double-sided foam adhesive.

[0058] See also Figure 8 In the embodiment of the utility model, the protective film positioning member 25 extends along the extension direction of the long side 212 of the tray 20 and is located on the symmetry line of the short side 213 of the tray 20. In this way, the protective film positioning member 25 is reasonably supported and positioned. On the one hand, because the protective film positioning member 25 is long enough, the protective film positioning member 25 and the screen protective film 30 have a large contact area and effective length, which can not only further improve the installation stability of the screen protective film 30 in the tray 20, but also reliably exhaust bubbles during the film pasting process to improve the pasting quality; on the other hand, because the protective film positioning member 25 is located on the symmetry line of the short side 213 of the tray 20, that is, close to the middle area of ​​the screen protective film 30 and the tray 20, during the film pasting process, the generated pressing force can be evenly diffused from the middle to the outside, ensuring that the pasting quality of each position is better. However, in other embodiments, a plurality of protective film positioning members 25 may be arranged, and the protective film positioning members 25 may be arranged at intervals, that is, arranged along the extension direction of the long side 212 or the short side 213 , or may be arranged crosswise.

[0059] Specifically, the length dimension of the protective film positioning member 25 mainly depends on the specific length of the screen protective film 30 (the screen of the device 100 to be film-attached) in this direction, and the width dimension of the protective film positioning member 25 mainly depends on the installation stability and overall cost of the screen protective film 30 on the tray 20. In an embodiment of the utility model, the length of the protective film positioning member 25 is a, 135mm≤a≤165mm, and / or the width of the protective film positioning member 25 is b, 5mm≤b≤10mm, so as to ensure the installation stability of the screen protective film 30 in the tray 20 and to provide reliable supporting force and buffering force subsequently.

[0060] Specifically, the specific length of the protective film positioning member 25 is smaller than the specific length of the screen protective film 30, and the specific width of the protective film positioning member 25 is also smaller than the specific width of the screen protective film 30. In addition, the width and length of the protective film positioning member 25 can be as small as possible while ensuring that the screen protective film 30 and the protective film positioning member 25 have a relatively reliable bonding strength, supporting effect and buffering effect, so as to avoid the adhesion of the adhesive surface on the protective film positioning member 25 that is too long or too wide to the adjacent structure or impurities, and also avoid the film tearing effect affected by the excessive connection surface, and the supporting effect and buffering effect affected by the excessive connection surface, which also helps to save costs. Among them, the specific value of the length of the protective film positioning member 25 can be 135mm, 140mm, 150mm, 155mm, 160mm, 165mm, etc. Of course, in other embodiments, the length of the protective film positioning member 25 can also be 130mm, or 170mm. The specific value of the width of the protective film positioning member 25 can be 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, etc. Of course, in other embodiments, the length of the protective film positioning member 25 may also be 4 mm or 11 mm.

[0061] See also Figure 7 In the embodiment of the utility model, the bottom wall of the receiving groove 201 may also be provided with an alignment groove 211 for installing the protective film positioning member 25. It can be understood that when the protective film positioning member 25 is pre-fixed on the screen protective film 30, the alignment of the protective film positioning member 25 with the alignment groove 211 helps to improve the installation efficiency and installation accuracy of the screen protective film 30. When the protective film positioning member 25 is pre-fixed in the receiving groove 201, the alignment of the protective film positioning member 25 with the alignment groove 211 helps to speed up the installation efficiency of the protective film positioning member 25. Then, the protective film positioning member 25 is aligned with the alignment point on the screen protective film 30 to achieve rapid alignment and assembly of the screen protective film 30, thereby reducing the risk of the protective film positioning member 25 and the screen protective film 30 being offset. Among them, the alignment groove 211 is formed by a peripheral edge convexly arranged on the bottom plate 21, and the alignment groove 211 can also be formed by a concave arrangement on the surface of the bottom plate 21 in a direction away from the upper cover 11.

[0062] Please refer to Figure 2 , Figure 3 and Figure 7In an embodiment of the utility model, the inner wall of the accommodating groove 201 is provided with a limiting step 23 for installing the screen protective film 30, so that the screen protective film 30 is spaced apart from the bottom wall of the accommodating groove 201, and the screen protective film 30 is clamped on the limiting step 23; the limiting step 23 is also used to support the device 100 to be film-attached. It can be understood that the limiting step 23 is arranged on the inner wall of the limiting frame 22, and the limiting step 23 is supported on the edge of the screen protective film 30, so that there is space between the screen protective film 30 and the bottom wall (chassis 21) of the accommodating groove 201 for installing the protective film positioning member 25 and buffering deformation.

[0063] Specifically, the limiting step 23 extends along the groove side wall of the accommodating groove 201, and a plurality of limiting steps 23 may be arranged at intervals and distributed on the symmetry line of the long side 212 and at the corner between the long side 212 and the short side 213; wherein the limiting step 23 includes a limiting surface 232 and an abutting surface 231 arranged at an angle, and a supporting surface 233 located above the limiting surface 232, wherein the limiting surface 232 faces the side wall of the accommodating groove 201 to limit the installation of the screen protective film 30, that is, the limiting surfaces 232 of each limiting step 23 jointly clamp the side of the screen protective film 30, and the abutting surface 231 faces the opening of the accommodating groove 201 to support the screen protective film 30 and ensure that the screen protective film 30 and the accommodating groove 201 are in contact with each other. The bottom wall is set at intervals; the supporting surface 233 faces the opening of the accommodating groove 201 to support the device 100 to be film-pasted, and the distance between the supporting surface 233 and the abutting surface 231 is greater than or equal to the thickness of the screen protective film 30, so that before the film-pasting action is performed, there is no mutual squeezing effect between the screen and the screen protective film 30, that is, the screen and the screen protective film 30 are set with a small gap or in contact; after the film-pasting action (applying force to the device 100 to be film-pasted and the screen protective film 30), the self-adhesive property of the screen protective film 30 is utilized to cooperate with the film-pasting action to realize the process of bonding and venting, thereby completing the film-pasting at one time, so that the film body 31 is accurately pasted on the screen of the device 100 to be film-pasted.

[0064] Optionally, in an embodiment of the utility model, since the tray 20 is easily deformed during use and is a consumable, in an embodiment of the utility model, the tray 20 can be detachably mounted on the base 12 to facilitate the replacement of the tray 20. When the film needs to be applied again, the user can choose to directly replace the combination of the tray 20 and the screen protective film 30 without replacing the entire film-applying device, thereby reducing the user's film-applying cost.

[0065] See also Figures 4 to 6In an embodiment of the utility model, the screen protective film 30 includes a film body 31, a first release film 32 and a second release film 33 respectively attached to opposite sides of the film body 31, and a pull strip 34 connecting the second release film 33; the first release film 32 is bonded to the protective film positioning member 25, and the end of the pull strip 34 away from the second release film 33 passes through the pull-out port 203 and the pull-out hole 121 in sequence.

[0066] It can be understood that before the film is applied, the protective film positioning member 25 and the first release film 32 are bonded together to ensure that the screen protective film 30 is supported and positioned on the tray 20. After the film is applied, because the pull strip 34 extends out of the film applying device through the pull-out hole 121, the consumer can press the base 12 and the upper cover 11 to make the screen contact with the screen protective film 30, and at the same time tear off the second release film 33 through the pull strip 34 (or, it is convenient for the consumer to tear off the second release film 33 through the pull strip 34, and at the same time press the base 12 and the upper cover 11 to make the screen contact with the screen protective film 30), so that the film can be applied quickly and accurately.

[0067] Specifically, Figures 9 to 10 As shown, in the embodiment of the utility model, the first release film 32 is provided with an auxiliary positioning hole 321, and the auxiliary positioning hole 321 is used to align the protective film positioning member 25, so that the auxiliary positioning hole 321 can be used to align with the protective film positioning member 25, so as to improve the alignment accuracy and alignment efficiency of the screen protective film 30 and the protective film positioning member 25, and then improve the assembly position of the screen protective film 30 on the tray 20, so as to ensure the accurate alignment of the screen protective film 30 and the screen of the device 100 to be filmed, and improve the filming quality. Of course, through the alignment groove 211 on the tray 20 and the protective film positioning member 25, it is also helpful to further improve the alignment efficiency, improve the production efficiency of the film pasting device, and improve the film pasting quality.

[0068] In this embodiment, two auxiliary positioning holes 321 are arranged at intervals along the extension direction of the long side 212 of the tray 20, and the maximum distance between the two auxiliary positioning holes 321 is the same as the length of the protective film positioning member 25, that is, the two ends of the protective film positioning member 25 are respectively aligned with the two auxiliary positioning holes 321 to ensure the alignment accuracy, and the protective film positioning member 25 is fixed to the first release film 32 to cover the two auxiliary positioning holes 321. Of course, in other embodiments, the maximum distance between the two auxiliary positioning holes 321 may be less than the length of the protective film positioning member 25.

[0069] The auxiliary positioning hole 321 is a positioning hole formed in the first release film 32 , and the shape of the positioning hole includes but is not limited to a crescent shape, a circle, and a square.

[0070] Furthermore, in order to prevent the release film facing the mobile terminal device from being easily separated from the film body 31 under the action of external force (before the film is applied), so that dust and other impurities enter the edge of the sticky surface of the screen protective film 30, bubbles and white edges will appear due to insufficient adhesion of the edge of the screen protective film 30 after the film is applied, affecting the quality of the application and the success rate of the film application. In one embodiment of the utility model, the pull strip 34 extends in the direction from the avoidance notch 202 to the pull-out opening 203, wherein the second release film 33 at least partially extends from the end of the film body 31, and the extended portion 331 of the second release film 33 is connected to the avoidance notch 202. When the pull strip 34 is subjected to tension, the second release film 33 can be gradually separated from the film body 31 in the direction from the avoidance notch 202 to the pull-out opening 203.

[0071] It can be understood that the second release film 33 is fixed to the tray 20 by its protruding portion 331 to ensure that before the pull strip 34 is subjected to tension (before the film is applied), the edges of the second release film 33 and the film body 31 are always tightly fitted together, thereby reducing the risk of bubbles, white edges, etc. caused by dust and other impurities entering the edge of the film body 31 after the screen protector 30 is applied, which helps to improve the quality of fitting and the success rate of film application.

[0072] Among them, the protruding part 331 of the second release film 33 extends toward the avoidance gap 202 and is fixed at the avoidance gap 202, so as to restrain the separation tendency of the second release film 33 relative to the film body 31 in the direction of the avoidance gap 202 toward the pull-out port 203, and reliably ensure the close fit between the second release film 33 and the film body 31. Furthermore, when the pull strip 34 is subjected to tension, the protruding part 331 of the second release film 33 first overcomes and separates from the avoidance gap 202. Under the further pulling force of the pull strip 34, the second release film 33 and the film body 31 can be gradually separated in the direction of the avoidance gap 202 toward the pull-out port 203, thereby completing the film-sticking operation of gradually and completely sticking the film body 31 on the screen of the device 100 to be film-sticked. By cooperating with the connection between the first release film 32 and the protective film positioning member 25, the screen protective film 30 is further positioned on the tray 20, so as to further improve the alignment accuracy of the screen protective film 30 and the screen, thereby facilitating consumers to accurately align the film once and for all, simplifying the film application steps for consumers, helping to reduce the difficulty of film application, and improving the success rate and quality of film application.

[0073] It should be emphasized that the avoidance notch 202 is used to avoid the protruding portion 331 and part of the pull strip 34 of the second release film 33. On the one hand, it can ensure that the protruding portion 331 is fixed on the avoidance notch 202, increase the effective contact area between the protruding portion 331 and the avoidance notch 202, and ensure the reliable fixation of the second release film 33 on the tray 20. On the other hand, it can play a positioning role to a certain extent, assist in determining the installation position of the second release film 33 and even the screen protective film 30 on the tray 20, and speed up the positioning efficiency.

[0074] The extension part 331 of the second release film 33 protrudes from the side of the film body 31 away from the draw-out opening 203 and extends toward the avoidance notch 202. In order to fully utilize the tension applied to the pull strip 34, in this embodiment, the extension part 331 is bent and extends toward the draw-out opening 203. The end of one extension part 331 is connected to the pull strip 34, so that the pull strip 34 extends in the direction from the avoidance notch 202 toward the draw-out opening 203, which helps to effectively overcome the connection force between the extension part 331 of the second release film 33 and the avoidance notch 202, thereby improving the film application efficiency. The connection method between the extension part 331 and the pull strip 34 includes but is not limited to integral molding, bonding, and inlaying.

[0075] See also Figures 3 to 6 In an embodiment of the present invention, the film sticking device further comprises a release film connecting member 24, which is installed at the avoidance notch 202 and adheres to the extension portion 331 of the second release film 33. The connection is simple and convenient, which is convenient for improving the assembly efficiency of the tray 20 and the screen protective film 30, thereby improving the production efficiency of the film sticking device. However, in other embodiments, the release film connecting member 24 is plugged into and matched with the extension portion 331 of the second release film 33.

[0076] Specifically, in the embodiment of the utility model, the release film connector 24 is bonded to the bottom surface of the avoidance notch 202, and the bonding strength between the release film connector 24 and the second release film 33 is less than the bonding strength between the release film connector 24 and the bottom surface of the avoidance notch 202. In this way, under the pulling force of the pull bar 34, the second release film 33 is first separated from the release film connector 24 to ensure the smoothness and reliability of the separation of the second release film 33 from the film body 31 under the subsequent pulling force, and to avoid the release film connector 24 and the second release film 33 moving together due to the first separation of the release film connector 24, thereby affecting the separation of the second release film 33 from the film body 31. However, in other embodiments, the avoidance notch 202 is provided with a slot for the release film connector 24 to be inserted, and the connection between the release film connector 24 and the avoidance notch 202 is achieved by interference fit or other connection methods. More specifically, the release film connecting member 24 is a flexible member.

[0077] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A film sticking device, characterized in that: include: An upper cover and a base, wherein the upper cover is installed on the base in an openable and closable manner, and the base is provided with a pull-out hole; A tray is mounted on the base, wherein a receiving groove is formed on the tray and a draw-out opening is provided to connect with the draw-out hole; A screen protective film, built into the receiving groove; as well as The protective film positioning member is arranged on the bottom wall of the accommodating groove, the protective film positioning member is bonded to the screen protective film, and the protective film positioning member is a flexible member.

2. The film sticking device according to claim 1, characterized in that: The protective film positioning member comprises an elastic body, and opposite sides of the elastic body are respectively bonded to the screen protective film and the bottom wall of the accommodating groove.

3. The film sticking device according to claim 2, characterized in that: The elastic body is made of any one of foam, rubber and silicone; Alternatively, the protective film positioning piece is double-sided foam adhesive.

4. The film sticking device according to claim 1, characterized in that: The protective film positioning piece extends along an extending direction of a long side of the tray.

5. The film sticking device according to claim 4, characterized in that: The protective film positioning piece is located on a symmetry line of a short side of the tray.

6. The film sticking device according to claim 4, characterized in that: The length of the protective film positioning piece is a, 135mm≤a≤165mm.

7. The film sticking device according to claim 4, characterized in that: The width of the protective film positioning piece is b, 5mm≤b≤10mm.

8. The film sticking device according to claim 1, characterized in that: The bottom wall of the accommodating groove is provided with an alignment groove for installing the protective film positioning piece.

9. The film sticking device according to claim 1, characterized in that: The inner wall of the receiving groove is provided with a limiting step for installing the screen protection film, so that the screen protection film is spaced apart from the groove bottom wall of the receiving groove, and the screen protection film is clamped on the limiting step; The limiting step is also used to support the equipment to be film-mounted.

10. The film sticking device according to claim 1, characterized in that: The tray is detachably mounted on the base.

11. The film sticking device according to any one of claims 1 to 10, characterized in that: The screen protection film comprises a film body, a first release film and a second release film respectively attached to opposite sides of the film body, and a pull strip connecting the second release film; The first release film is bonded to the protective film positioning piece, and one end of the pull strip away from the second release film passes through the pull-out opening and the pull-out hole in sequence.

12. The film sticking device according to claim 11, characterized in that: The first release film is provided with an auxiliary positioning hole, and the auxiliary positioning hole is used to align with the protective film positioning piece.

13. The film sticking device according to claim 12, characterized in that: Two auxiliary positioning holes are arranged at intervals along the extending direction of the long side of the tray, and the maximum distance between the two auxiliary positioning holes is the same as the length of the protective film positioning piece.

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