Liquid crystal display for displaying subway information

Abstract

The utility model discloses a liquid crystal display for subway information display, which comprises a display screen, the center of one side of the display screen far away from the display screen is fixedly connected with a fixing frame, two ends of the back of the display screen are respectively and fixedly connected with a left storage box and a right storage box, and the inside of the left storage box is slidably connected with a pull rod. A movable frame is slidably connected to the interior of the right storage box, rolling wheels are connected to the end of the movable frame through bearings, a positioning rod is arranged on the top of the left storage box and the top of the right storage box in a penetrating mode, a groove is formed in the outer side wall of the right storage box, a support is arranged in the groove, and a base is fixedly connected to the end of the support; and the outer side wall of the right storage box is rotationally connected with a limiting rod. The rollers, the pull rod and the support are matched with one another, the pull rod and the rollers on the back of the displayer are pulled out, an independent conveying mechanism can be formed, conveying equipment such as an external cart is not needed, and workers can conveniently move and replace the display screen.

Description

Technical Field

[0001] This utility model relates to the field of display technology, specifically to a liquid crystal display for displaying subway information. Background Technology

[0002] A subway is a type of urban rail transit system, referring to a high-speed, high-capacity, electrically powered rail transit system built in cities. Subway trains run on fully enclosed tracks; lines in the city center are usually located in underground tunnels, while lines outside the city center may be located on elevated bridges or at ground level.

[0003] Subway stations are equipped with numerous display screens, typically used to show train schedules, play promotional videos, or display advertisements. When these screens age or become damaged, they need to be replaced. Currently, moving these screens is difficult for staff due to their weight, often requiring the use of external trolleys or other transport equipment, which complicates the replacement process.

[0004] Therefore, we propose to design an LCD display for subway information display. Utility Model Content

[0005] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0007] A liquid crystal display for displaying subway information includes a display screen, a mounting bracket fixedly connected to the center of the side of the display screen away from the screen, and a left storage box and a right storage box fixedly connected to both ends of the back of the display screen, respectively.

[0008] The left storage tank is slidably connected to a pull rod, and the right storage tank is slidably connected to a movable frame. The movable frame is connected to a roller by a bearing at its end. A positioning rod is provided through the top of the left and right storage tanks. A groove is provided on the outer wall of the right storage tank, and a bracket is provided inside the groove. A base is fixedly connected to the end of the bracket. A limit rod is rotatably connected to the outer wall of the right storage tank.

[0009] As a preferred embodiment of the liquid crystal display for subway information display described in this utility model, mounting holes are provided on both sides of the fixing frame. The fixing frame is made of carbon steel. Generally, screens in subway stations are suspended. The setting of the fixing frame and mounting holes facilitates the suspension of the display screen.

[0010] As a preferred embodiment of the liquid crystal display for subway information display described in this utility model, both the pull rod and the movable frame are provided with positioning holes corresponding to the positioning rod. The positioning rod passes through the positioning hole and is threadedly connected to the corresponding left and right storage boxes, which facilitates the positioning of the pull rod and the movable frame.

[0011] As a preferred embodiment of the liquid crystal display for subway information display described in this utility model, a rotating shaft is provided inside the end of the bracket away from the base. The rotating shaft is connected to a bearing on the inner wall of the groove, which facilitates the rotation of the bracket and the base and the adjustment of their position.

[0012] As a preferred embodiment of the liquid crystal display for subway information display described in this utility model, a damping plate is fixedly connected to the side of the limiting rod near the right storage box. The damping plate is tightly fitted to the outer wall of the bracket, which facilitates positioning when the bracket is stored.

[0013] As a preferred embodiment of the liquid crystal display for subway information display described in this utility model, the pull rod and the movable frame are both fixedly connected to the end near the fixed frame with anti-detachment blocks, so that the pull rod and the movable frame can slide in the left storage box and the right storage box respectively, and will not detach when they slide to the end.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes the cooperation between rollers, pull rods, and brackets. By pulling out the pull rods and rollers on the back of the display, an independent transport mechanism can be formed, eliminating the need for external trolleys or other transport equipment, thus facilitating the movement and replacement of the display screen by staff. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a schematic diagram of the structure of a liquid crystal display for subway information display according to the present invention. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a liquid crystal display for subway information display according to the present invention. Figure 2 ;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure at point A in the middle.

[0020] Legend: 1. Display screen; 2. Fixing frame; 201. Mounting hole; 3. Left storage tank; 4. Right storage tank; 5. Pull rod; 6. Movable frame; 7. Roller; 8. Positioning rod; 9. Positioning hole; 10. Groove; 11. Bracket; 12. Base; 13. Limiting rod. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0024] Please see Figure 1-3 This utility model provides a liquid crystal display for subway information display, including a display screen 1. A fixing frame 2 is fixedly connected to the center of the side of the display screen 1 away from the screen. Mounting holes 201 are provided on both sides of the fixing frame 2. The fixing frame 2 is made of carbon steel. Generally, the screens in subway stations are suspended. The setting of the fixing frame 2 and the mounting holes 201 facilitates the suspension of the display screen 1.

[0025] The left storage tank 3 and the right storage tank 4 are fixedly connected to the two ends of the back of the display screen 1, respectively.

[0026] The left storage tank 3 is slidably connected to a pull rod 5, and the right storage tank 4 is slidably connected to a movable frame 6. The movable frame 6 is connected to a roller 7 by a bearing at its end. A positioning rod 8 is installed through the top of the left storage tank 3 and the right storage tank 4.

[0027] Both the pull rod 5 and the movable frame 6 have anti-detachment blocks fixedly connected to one end near the fixed frame 2, which makes it easy for the pull rod 5 and the movable frame 6 to slide in the left storage box 3 and the right storage box 4 respectively, and they will not come off when they slide to the end.

[0028] Both the pull rod 5 and the movable frame 6 have positioning holes 9 corresponding to the positioning rod 8 inside. The positioning rod 8 passes through the positioning hole 9 and is threadedly connected to the corresponding left storage tank 3 and right storage tank 4, which facilitates the positioning of the pull rod 5 and the movable frame 6.

[0029] A groove 10 is provided on the outer wall of the right storage tank 4. A bracket 11 is provided inside the groove 10. A base 12 is fixedly connected to the end of the bracket 11. A limit rod 13 is rotatably connected to the outer wall of the right storage tank 4.

[0030] A rotating shaft is installed inside the end of the bracket 11 away from the base 12. The rotating shaft is connected to the bearing on the inner wall of the groove 10, which facilitates the rotation of the bracket 11 and the base 12 and adjusts their position.

[0031] A damping plate is fixedly connected to the side of the limiting rod 13 near the right storage tank 4. The damping plate fits tightly against the outer wall of the bracket 11, which facilitates positioning of the bracket 11 when it is stored.

[0032] In use, before moving the display screen 1, first pull out the positioning rods 8 on the top of the left storage box 3 and the right storage box 4, then pull out the pull rod 5 and the movable frame 6, insert the positioning rods 8 back in, limit the ends of the pull rod 5 and the movable frame 6, preventing them from retracting into the box, and at the same time, under the anti-detachment block (not shown in the figure), the pull rod 5 and the movable frame 6 will not detach from the box.

[0033] At this time, the staff pulls the lever 5, and the roller 7 at the bottom of the movable frame 6 is used as the base to move the display screen 1 in the subway station. In this device, the left storage box 3, the right storage box 4, the lever 5, the movable frame 6 and the roller 7 are all made of plastic, which is lightweight and easy to suspend the display screen 1.

[0034] During transport, the display screen 1 can move independently without the need for trolleys or other equipment, and the movement is relatively effortless, making it easy for staff to quickly move the display screen 1 to the installation location. The right storage box 4 also has a base 12 on its back. When the display screen 1 needs to be temporarily parked, simply rotate the limiting rod 13 to rotate the bracket 11 out of the groove 10. The base 12 and the two rollers 7 form a three-point support, making it easy for staff to place the display screen 1 without lifting their hands.

[0035] After moving to the installation position, the pull rod 5 and the movable frame 6 are stored in the left storage box 3 and the right storage box 4, and then fixed with the positioning rod 8. The fixed frame 2 on the back can be connected and installed with the pre-installed display hanging in the subway station.

[0036] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A liquid crystal display for displaying subway information, comprising a display screen (1), characterized in that, A fixing frame (2) is fixedly connected to the center of the side of the display screen (1) away from the screen, and a left storage box (3) and a right storage box (4) are fixedly connected to the two ends of the back of the display screen (1). The left storage tank (3) is slidably connected to a pull rod (5), the right storage tank (4) is slidably connected to a movable frame (6), the end bearing of the movable frame (6) is connected to a roller (7), the top of the left storage tank (3) and the right storage tank (4) are provided with a positioning rod (8), the outer wall of the right storage tank (4) is provided with a groove (10), the groove (10) is provided with a bracket (11), the end of the bracket (11) is fixedly connected to a base (12), and the outer wall of the right storage tank (4) is rotatably connected to a limit rod (13).

2. A liquid crystal display for displaying subway information according to claim 1, characterized in that, The fixing frame (2) has mounting holes (201) on both sides, and the fixing frame (2) is made of carbon steel.

3. A liquid crystal display for displaying subway information according to claim 1, characterized in that, The pull rod (5) and the movable frame (6) are both provided with positioning holes (9) corresponding to the positioning rod (8). The positioning rod (8) passes through the positioning hole (9) and is threadedly connected to the corresponding left storage tank (3) and right storage tank (4).

4. A liquid crystal display for displaying subway information according to claim 1, characterized in that, A rotating shaft is provided inside the end of the bracket (11) away from the base (12), and the rotating shaft is connected to the bearing on the inner wall of the groove (10).

5. A liquid crystal display for displaying subway information according to claim 1, characterized in that, The limiting rod (13) is fixedly connected to a damping plate on the side near the right storage tank (4), and the damping plate is tightly attached to the outer wall of the bracket (11).

6. A liquid crystal display for displaying subway information according to claim 1, characterized in that, The pull rod (5) and the movable frame (6) are both fixedly connected to anti-detachment blocks at the end near the fixed frame (2).

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