Protective mechanism of liquid crystal screen advertising board

Abstract

The utility model relates to the technical field of liquid crystal screen billboards, and discloses a protection mechanism of a liquid crystal screen billboard, which comprises a liquid crystal screen billboard body and a support mechanism, the outer wall of one side of the liquid crystal screen billboard body is fixedly connected with a limiting seat, the bottom of the limiting seat is provided with a positioning groove, and the inner side of the limiting seat is provided with a connecting groove. The inner wall of the connecting groove is slidably connected with a wedge-shaped clamping block, and the inner wall of one side of the connecting groove is fixedly connected with a compression spring. Under the action of the mounting frame, the seesaw drives the connecting frame to move upwards, the connecting frame drives the positioning plate to move upwards until the positioning plate is inserted into the positioning groove, and at the moment, the wedge-shaped clamping block can be pushed into the clamping groove under the action of the connecting groove and the compression spring, so that the positioning plate can be positioned; and the effect of stable connection between the positioning plate and the limiting seat is achieved, so that stable installation of the liquid crystal screen advertising board body is achieved, and the liquid crystal screen advertising board is practical and suitable for wide application and popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of liquid crystal screen advertising boards, and in particular relates to a protective mechanism for liquid crystal screen advertising boards. Background Art

[0002] LCD billboards are a type of billboard that displays text and images on the screen by controlling the display mode of semiconductor light emitting diodes. It is a new media advertising form and a perfect combination of new media technology and outdoor advertising.

[0003] CN211237624U is retrieved and disclosed as a protective mechanism for a liquid crystal screen billboard, comprising a body, wherein the top and bottom of the front side of the body are movably connected to a fixed plate, and the front side of the fixed plate is fixedly connected to a protective glass. By setting a rotating shaft, a moving block, a pull rod, a stabilizing mechanism, a first limit rod and a limit block for coordinated use, the pull rod can drive the moving plate to move inside the moving block, and the moving plate drives the limit block to move, so that the rotating shaft drives the moving block to be inserted into the body cavity, the pull rod drives the moving plate to move, and the moving plate drives the first limit rod to be inserted into the limit block, so that the protective mechanism for the liquid crystal screen billboard can be conveniently installed, so as to prevent the liquid crystal screen from being exposed to the outside and being damaged by bad weather such as rain and snow or rainwater from penetrating, thereby increasing the service life of the liquid crystal screen billboard.

[0004] However, the inventors have discovered that this technical solution still has at least the following defects:

[0005] In the above device, the LCD billboard is stably installed and protected by the coordinated use of the rotating shaft, moving block, pulling rod, stabilizing mechanism, first limiting rod and limiting block. However, part of the structure of the stabilizing mechanism is arranged inside the LCD billboard. In this way, it is necessary to open an opening on the LCD billboard in advance for the movement of the stabilizing mechanism, which destroys the integrity of the structure of the LCD billboard itself. When the LCD billboard is working, it is easily disturbed by environmental factors, and its internal electronic components are also easily damaged.

[0006] In view of this, the present utility model is proposed. Utility Model Content

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] A protective mechanism for a liquid crystal screen billboard, comprising a liquid crystal screen billboard body and a bracket mechanism, wherein an outer wall on one side of the liquid crystal screen billboard body is fixedly connected to a limit seat, a positioning groove is provided at the bottom of the limit seat, a connecting groove is provided on the inner side of the limit seat, a wedge-shaped block is slidably connected to the inner wall of the connecting groove, a compression spring is fixedly connected to the inner wall of one side of the connecting groove, one end of the compression spring is fixedly connected to the outer wall on one side of the wedge-shaped block, a sliding groove is provided on the outer wall at the top of the limit seat, a push rod is slidably connected to the inner wall of the sliding groove, and the bottom end of the push rod is fixedly connected to the outer wall at the top of the wedge-shaped block;

[0009] The bracket mechanism includes a support plate and a symmetrically arranged mounting plate, a movable cavity is opened in the middle position of the support plate, a mounting frame is installed on the bottom inner wall of the movable cavity, a seesaw plate is rotatably installed on the mounting frame, one end of the seesaw plate is fixedly connected to a connecting frame, a positioning plate is hinged on the connecting frame, the positioning plate is adapted to the positioning slot, a clamping slot is opened at one end of the positioning plate located inside the positioning slot, and the wedge-shaped clamping block is adapted to the clamping slot.

[0010] As a preferred embodiment of the present utility model, the bottom outer wall of the LCD billboard body is in contact with the top outer wall of the support plate, and an extrusion block is fixedly connected to the bottom middle outer wall of the LCD billboard body.

[0011] As a preferred embodiment of the utility model, an opening is provided at the top of the movable cavity, and the extrusion block is slidably connected to the inner wall of the opening, and the bottom end of the extrusion block is in contact with the outer wall of the top of the seesaw board.

[0012] As a preferred embodiment of the present invention, the outer walls on opposite sides of the two mounting plates are provided with limiting grooves, and the outer walls on both sides of the LCD billboard body are in contact with the inner walls of the two limiting grooves respectively.

[0013] As a preferred embodiment of the utility model, movable grooves are provided on both sides of the support plate, and the inner walls of the two movable grooves are slidably connected with extension plates, and one end of the two extension plates is respectively fixedly connected to the outer walls on the opposite side of the two mounting plates.

[0014] As a preferred embodiment of the utility model, the inner walls of one side of the two movable grooves are fixedly connected with connecting springs, and one end of the two connecting springs is respectively fixedly connected to the outer walls of one side of the two extension plates.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model, when the LCD billboard body is installed on the bracket mechanism, the extrusion block passes through the opening and presses the seesaw plate, at this time, under the action of the mounting frame, the seesaw plate drives the connecting frame to move upward, and the connecting frame drives the positioning plate to move upward until the positioning plate is inserted into the positioning groove, at this time, under the action of the connecting groove and the compression spring, the wedge-shaped card block can be pushed into the card slot, so that the positioning plate can be positioned, so that the positioning plate and the limit seat can achieve a stable connection effect, thereby realizing the stable installation of the LCD billboard body and achieving the protection effect of the LCD billboard body, all the stabilizing mechanisms are arranged on the outside of the LCD billboard, which ensures the integrity of the structure of the LCD billboard itself and avoids the internal electronic components of the LCD billboard from being damaged under the influence of environmental factors.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached picture:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the support mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional structure of the support plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the support plate of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the limit seat of the utility model.

[0024] In the figure: 1. LCD billboard body; 2. Mounting plate; 3. Support plate; 4. Extension plate; 5. Limiting groove; 6. Movable groove; 7. Movable cavity; 8. Mounting frame; 9. Strange plate; 10. Extrusion block; 11. Connecting frame; 12. Positioning plate; 13. Limiting seat; 14. Positioning groove; 15. Connecting groove; 16. Wedge-shaped block; 17. Slot; 18. Compression spring; 19. Sliding groove; 20. Push rod; 21. Connecting spring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0026] like Figures 1 to 5 Shown

[0027] A protective mechanism for a liquid crystal screen billboard comprises a liquid crystal screen billboard body 1 and a bracket mechanism, wherein an outer wall on one side of the liquid crystal screen billboard body 1 is fixedly connected to a limit seat 13, a positioning groove 14 is provided at the bottom of the limit seat 13, a connecting groove 15 is provided on the inner side of the limit seat 13, a wedge-shaped block 16 is slidably connected to the inner wall of the connecting groove 15, a compression spring 18 is fixedly connected to the inner wall on one side of the connecting groove 15, one end of the compression spring 18 is fixedly connected to the outer wall on one side of the wedge-shaped block 16, a sliding groove 19 is provided on the outer wall on the top of the limit seat 13, a push rod 20 is slidably connected to the inner wall of the sliding groove 19, and the bottom end of the push rod 20 is fixedly connected to the outer wall on the top of the wedge-shaped block 16;

[0028] The bracket mechanism includes a support plate 3 and a symmetrically arranged mounting plate 2. A movable cavity 7 is opened in the middle position of the support plate 3. A mounting frame 8 is installed on the inner wall of the bottom of the movable cavity 7. A teeter plate 9 is rotatably installed on the mounting frame 8. A connecting frame 11 is fixedly connected to one end of the teeter plate 9. A positioning plate 12 is hinged on the connecting frame 11. The positioning plate 12 is adapted to the positioning groove 14. A card slot 17 is opened at one end of the positioning plate 12 located inside the positioning groove 14, and a wedge-shaped card block 16 is adapted to the card slot 17.

[0029] In a specific embodiment, the bottom outer wall of the LCD billboard body 1 contacts the top outer wall of the support plate 3, and an extrusion block 10 is fixedly connected to the bottom middle outer wall of the LCD billboard body 1. An opening is provided at the top of the movable cavity 7, and the extrusion block 10 is slidably connected to the inner wall of the opening. The bottom end of the extrusion block 10 contacts the top outer wall of the seesaw plate 9. When the LCD billboard body 1 is installed on the bracket mechanism, the extrusion block 10 passes through the opening and presses the seesaw plate 9. At this time, under the action of the mounting frame 8, the seesaw plate 9 drives the connecting frame 11 to move upward, and the connecting frame 11 is connected. The frame 11 drives the positioning plate 12 to move upward until the positioning plate 12 is inserted into the positioning groove 14. At this time, the wedge-shaped block 16 can be pushed into the groove 17 under the action of the connecting groove 15 and the compression spring 18, so that the positioning plate 12 can be positioned, so that a stable connection is achieved between the positioning plate 12 and the limit seat 13, thereby realizing a stable installation of the LCD billboard body 1, ensuring the structural integrity of the LCD billboard body 1, and avoiding damage to the internal electronic components of the LCD billboard body 1 due to environmental factors.

[0030] Furthermore, the outer walls of the two mounting plates 2 on opposite sides are provided with limit grooves 5, and the outer walls of the two sides of the LCD billboard body 1 are respectively in contact with the inner walls of the two limit grooves 5, and movable grooves 6 are provided on both sides of the support plate 3, and the inner walls of the two movable grooves 6 are slidably connected with extension plates 4, and one end of the two extension plates 4 is respectively fixedly connected to the outer walls of the two mounting plates 2 on opposite sides, and the inner walls of one side of the two movable grooves 6 are fixedly connected with connecting springs 21, and one end of the two connecting springs 21 is respectively fixedly connected to the outer walls of one side of the two extension plates 4, and LCD billboard bodies 1 of different lengths can be installed on the bracket mechanism, so that the two sides of the LCD billboard body 1 are respectively in contact with the inner walls of the two limit grooves 5, and the bottom of the LCD billboard body 1 is in contact with the outer wall of the top of the support plate 3.

[0031] The implementation principle of the protection mechanism of a liquid crystal screen billboard in this embodiment is as follows:

[0032] By means of the support plate 3, two limit grooves 5, two mounting plates 2, two extension plates 4, two movable grooves 6 and two connecting springs 21, LCD billboard bodies 1 of different lengths can be installed on the bracket mechanism, so that the two sides of the LCD billboard body 1 are respectively in contact with the inner walls of the two limit grooves 5, and the bottom of the LCD billboard body 1 is in contact with the outer wall of the top of the support plate 3. When the LCD billboard body 1 is installed on the bracket mechanism, the extrusion block 10 passes through the opening and presses the seesaw plate 9. At this time, under the action of the mounting frame 8, the seesaw plate 9 drives the connecting frame 11 to move upward, and the connecting frame 11 drives the positioning plate 12 to move upward until the positioning plate 12 is inserted into the positioning groove 14. At this time, under the action of the connecting groove 15 and the compression spring 18, the wedge-shaped card block 16 can be pushed into the card slot 17, so that the positioning plate 12 can be positioned, so that the positioning plate 12 and the limit seat 13 can achieve a stable connection effect, thereby realizing a stable installation of the LCD billboard body 1 and achieving a protective effect on the LCD billboard body 1.

Claims

1. A protective mechanism for a liquid crystal screen billboard, comprising a liquid crystal screen billboard body (1) and a bracket mechanism, characterized in that: The outer wall of one side of the liquid crystal screen billboard body (1) is fixedly connected to a limit seat (13), a positioning groove (14) is provided at the bottom of the limit seat (13), a connecting groove (15) is provided on the inner side of the limit seat (13), a wedge-shaped block (16) is slidably connected to the inner wall of the connecting groove (15), a compression spring (18) is fixedly connected to the inner wall of one side of the connecting groove (15), one end of the compression spring (18) is fixedly connected to the outer wall of one side of the wedge-shaped block (16), a sliding groove (19) is provided on the top outer wall of the limit seat (13), a push rod (20) is slidably connected to the inner wall of the sliding groove (19), and the bottom end of the push rod (20) is fixedly connected to the top outer wall of the wedge-shaped block (16); The support mechanism comprises a support plate (3) and a symmetrically arranged mounting plate (2); a movable cavity (7) is provided in the middle of the support plate (3); a mounting frame (8) is installed on the inner wall of the bottom of the movable cavity (7); a teeter plate (9) is rotatably installed on the mounting frame (8); one end of the teeter plate (9) is fixedly connected to a connecting frame (11); a positioning plate (12) is hingedly connected to the connecting frame (11); the positioning plate (12) is matched with the positioning groove (14); a clamping groove (17) is provided at one end of the positioning plate (12) located inside the positioning groove (14); and the wedge-shaped clamping block (16) is matched with the clamping groove (17).

2. The protective mechanism for a liquid crystal screen billboard according to claim 1, characterized in that: The bottom outer wall of the LCD screen billboard body (1) is in contact with the top outer wall of the support plate (3), and an extrusion block (10) is fixedly connected to the bottom middle outer wall of the LCD screen billboard body (1).

3. The protective mechanism for a liquid crystal screen billboard according to claim 2, characterized in that: The top of the movable cavity (7) is provided with an opening, and the extrusion block (10) is slidably connected to the inner wall of the opening, and the bottom end of the extrusion block (10) is in contact with the outer wall of the top of the seesaw plate (9).

4. The protective mechanism for a liquid crystal screen billboard according to claim 1, characterized in that: The outer walls of the two mounting plates (2) on opposite sides are provided with limiting grooves (5), and the outer walls on both sides of the liquid crystal screen billboard body (1) are in contact with the inner walls of the two limiting grooves (5) respectively.

5. The protective mechanism for a liquid crystal screen billboard according to claim 4, characterized in that: Both sides of the support plate (3) are provided with movable grooves (6), the inner walls of the two movable grooves (6) are slidably connected with extension plates (4), and one end of the two extension plates (4) is respectively fixedly connected to the outer walls of the two mounting plates (2) on the opposite side.

6. The protective mechanism for a liquid crystal screen billboard according to claim 5, characterized in that: The inner walls of one side of the two movable grooves (6) are both fixedly connected with a connecting spring (21), and one end of the two connecting springs (21) is respectively fixedly connected to the outer walls of one side of the two extension plates (4).

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