Projection imaging film reinforcing device for subway platform door

Abstract

The utility model discloses a projection imaging film reinforcing device for a subway platform door, and aims to provide a projection imaging film reinforcing device capable of stably fixing a projection imaging film. The door comprises a door body and a pressing frame, an installation groove is formed in the door body, a film body is installed in the installation groove, first structural adhesive is filled between the front end, the rear end, the left end and the right end of the film body and the inner wall of the installation groove, and the pressing frame is pressed on the first structural adhesive and on the front end, the rear end, the left end and the right end of the film body. And second structural adhesives are filled between the front and rear ends and the left and right ends of the pressing frame and the inner wall of the mounting groove. The utility model is applied to the technical field of subway platform doors.

Description

Technical Field

[0001] The utility model relates to the technical field of subway platform doors, in particular to a projection imaging film reinforcement device for subway platform doors. Background Art

[0002] Projection imaging film is a display technology used in subway platform doors and shielded doors. Currently, two main types of projection imaging films are used: liquid crystal dimming film (PDLC) and holographic film. In this application, the film or holographic film is affixed to the glass of the subway platform door or shielded door to create a display for passing passengers. However, the strong wind pressure generated by trains can cause the film or holographic film to peel, warp, and inhale air, potentially leading to traffic accidents. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a projection imaging film reinforcement device capable of stably fixing the projection imaging film.

[0004] The technical solution adopted by the present invention is: the present invention includes a door body and a pressure frame, the door body is provided with a mounting groove, a membrane body is installed in the mounting groove, the front and rear ends and left and right ends of the membrane body and the inner wall of the mounting groove are filled with a first structural adhesive, the pressure frame is pressed on the first structural adhesive, and is pressed on the front and rear ends and left and right ends of the membrane body, and the front and rear ends and left and right ends of the pressure frame and the inner wall of the mounting groove are filled with a second structural adhesive.

[0005] Furthermore, the door body includes a platform door glass, a platform door fixing frame is provided on the inner side of the platform door glass, and the mounting groove is formed between the inside of the platform door fixing frame and the inner side of the platform door glass.

[0006] Furthermore, the platform door fixing frame is arranged on the inner side of the platform door glass by a third structural adhesive.

[0007] Furthermore, the first structural adhesive, the second structural adhesive and the third structural adhesive are in contact.

[0008] Furthermore, the first structural adhesive is in contact with the second structural adhesive.

[0009] Furthermore, the film body is a liquid crystal dimming film or a holographic film.

[0010] Furthermore, the pressing frame is an insulating pressing frame.

[0011] Furthermore, the pressing frame includes four pressing strips, and the four pressing strips are sequentially connected end to end to form the pressing frame.

[0012] Furthermore, the cross-sections of the four layering strips are all in one of the following shapes: L-shaped, square-shaped or triangular.

[0013] The beneficial effects of the utility model are:

[0014] Compared with the shortcomings of the prior art, the present invention can firmly install the membrane body in the installation groove through the first structural adhesive, and press the first structural adhesive and the front and rear ends and left and right ends of the membrane body through the pressing frame, so that the membrane body can be firmly fixed to avoid the risks of the membrane body falling off, warping, air intake, etc. in adverse environments (such as the strong wind pressure caused by the train running), so as to avoid causing traffic safety accidents, so that the present invention has the advantage of being able to firmly fix the projection imaging film. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 It is an exploded schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the planar structure of the pressing frame of the present utility model.

[0019] The reference numerals are as follows:

[0020] 1. Door body; 2. Press frame; 3. Mounting groove; 5. Membrane body; 6. First structural adhesive; 7. Second structural adhesive; 8. Platform door glass; 9. Platform door fixing frame; 10. Third structural adhesive; 11. Pressure strip.

[0021] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship and movement status of the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. 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 this utility model.

[0025] like Figures 1 to 2 As shown, in this embodiment, the utility model includes a door body 1 and a pressure frame 2, the door body 1 is provided with a mounting groove 3, a membrane body 5 is installed in the mounting groove 3, the front and rear ends and left and right ends of the membrane body 5 and the inner wall of the mounting groove 3 are filled with a first structural adhesive 6, the pressure frame 2 is pressed on the first structural adhesive 6, and is pressed on the front and rear ends and left and right ends of the membrane body 5, and the front and rear ends and left and right ends of the pressure frame 2 and the inner wall of the mounting groove 3 are filled with a second structural adhesive 7.

[0026] With respect to the deficiencies of the prior art, in the present invention, the membrane body 5 is installed in the installation groove 3, the first structural adhesive 6 is filled between the front and rear ends and the left and right ends of the membrane body 5 and the inner wall of the installation groove 3, and the pressing frame 2 is pressed on the first structural adhesive 6 and the front and rear ends and the left and right ends of the membrane body 5, and the second structural adhesive 7 is filled between the front and rear ends and the left and right ends of the pressing frame 2 and the inner wall of the installation groove 3, so that the present invention can firmly install the membrane body 5 in the installation groove 3 through the first structural adhesive 6, and press the pressing frame 2 on the first structural adhesive 6 and the front and rear ends and the left and right ends of the membrane body 5, so that the membrane body 5 can be firmly fixed, so as to avoid the risks of the membrane body 5 falling off, warping, air intake, etc. in adverse environments (such as the strong wind pressure caused by the train running), so as to avoid causing traffic safety accidents, so that the present invention has the advantage of being able to firmly fix the projection imaging film.

[0027] It is worth mentioning that the projection imaging film reinforcement device of the present invention has a simple overall structure, can withstand a wind load of no less than 2500Pa, and has a tensile strength of more than 45 kilograms of force per square centimeter (kgf / cm2).

[0028] In certain embodiments, the door body 1 includes a platform door glass 8, a platform door fixing frame 9 is disposed inside the platform door glass 8, and the mounting groove 3 is formed between the interior of the platform door fixing frame 9 and the inside of the platform door glass 8. The platform door fixing frame 9 is attached to the inside of the platform door glass 8 via a third structural adhesive 10, and the first structural adhesive 6, the second structural adhesive 7, and the third structural adhesive 10 are in contact. Specifically, the platform door fixing frame 9 is securely attached to the inside of the platform door glass 8 via the third structural adhesive 10, so that the membrane 5 is not easily detached even when installed in the mounting groove 3.

[0029] In some embodiments, the first structural adhesive 6 is in contact with the second structural adhesive 7 .

[0030] like Figure 3 As shown, in some embodiments, the press frame 2 is an insulating press frame 2; the press frame 2 includes four press strips, which are connected end to end in sequence to form the press frame 2; the cross-sections of the four press strips are all L-shaped, mouth-shaped or triangular.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A projection imaging film reinforcement device for subway platform doors, characterized by: It comprises a door body (1) and a pressing frame (2); the door body (1) is provided with a mounting groove (3); a membrane body (5) is installed in the mounting groove (3); a first structural adhesive (6) is filled between the front and rear ends and the left and right ends of the membrane body (5) and the inner wall of the mounting groove (3); the pressing frame (2) is pressed onto the first structural adhesive (6) and onto the front and rear ends and the left and right ends of the membrane body (5); a second structural adhesive (7) is filled between the front and rear ends and the left and right ends of the pressing frame (2) and the inner wall of the mounting groove (3).

2. The projection imaging film reinforcement device for subway platform doors according to claim 1, characterized in that: The door body (1) includes a platform door glass (8), a platform door fixing frame (9) is provided on the inner side of the platform door glass (8), and the mounting groove (3) is formed between the inside of the platform door fixing frame (9) and the inner side of the platform door glass (8).

3. The projection imaging film reinforcement device for subway platform doors according to claim 2, characterized in that: The platform door fixing frame (9) is arranged on the inner side of the platform door glass (8) through a third structural adhesive (10).

4. The projection imaging film reinforcement device for subway platform doors according to claim 3, characterized in that: The first structural adhesive (6), the second structural adhesive (7) and the third structural adhesive (10) are in contact.

5. The projection imaging film reinforcement device for subway platform doors according to claim 1, characterized in that: The first structural adhesive (6) is in contact with the second structural adhesive (7).

6. The projection imaging film reinforcement device for subway platform doors according to claim 1, characterized in that: The film body (5) is a liquid crystal dimming film or a holographic film.

7. The projection imaging film reinforcement device for subway platform doors according to claim 1, characterized in that: The pressing frame (2) is an insulating pressing frame.

8. The projection imaging film reinforcement device for subway platform doors according to claim 1 or 7, characterized in that: The pressing frame (2) comprises four pressing strips (11), and the four pressing strips (11) are sequentially connected end to end to form the pressing frame (2).

9. The projection imaging film reinforcement device for subway platform doors according to claim 8, characterized in that: The cross sections of the four layering strips (11) are all in one of the following shapes: L-shaped, square-shaped or triangular.

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