Hollow-out display module special for variable information board

Abstract

The utility model discloses a special hollow display module for a variable message sign, which comprises a case and a display screen body, a back plate for maintenance is clamped on one side of the case, a reserved seat is welded on one side of the back plate for maintenance far away from the case, an assembly support is mounted on the reserved seat, and fixed insertion rods are uniformly welded at one end of the assembly support. According to the utility model, the positioning sliding strips, the positioning sliding grooves and the like are installed, so that the structure of the device is optimized, on one hand, a user can realize the disassembly and assembly of the back plate for maintenance on the case by utilizing the side mounting buckles for reinforcing, the case, and screws arranged between the four corners of the back plate for maintenance and the case, and on the other hand, the disassembly and assembly of the back plate for maintenance on the case can be realized; on the other hand, a user can use the sliding connection effect between the positioning sliding strip and the positioning sliding groove to be matched with the locking and fixing effect formed by the first mounting screw hole and the screw, and the assembling support and the back plate for overhauling can be disassembled, assembled and maintained through the sliding connection effect between the positioning sliding strip and the positioning sliding groove.

Description

Technical Field

[0001] The utility model relates to the technical field of variable information boards, in particular to a hollow display module dedicated to variable information boards. Background Art

[0002] Variable information board is an important device for publishing traffic conditions and traffic guidance information. It is a traffic information display device with LED light-emitting devices as the basic display unit, with graphic and text display functions. The display module and cabinet are one of the most important components on the variable information board. However, there are still some defects in the specific use of the variable information board display module and cabinet.

[0003] The structure of the variable information board display module and the box is simple, and the display module on it often does not have a hollow weight-reducing layer, which makes it heavy. In addition, it is often an integrated fixed structure that is not easy to disassemble and maintain. In addition, it often uses heat dissipation holes for passive heat dissipation, which leads to poor heat dissipation effect and serious heat loss in hot weather. Utility Model Content

[0004] The purpose of the utility model is to provide a hollow display module dedicated to a variable information board to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow display module dedicated to a variable information board, comprising a chassis and a display screen body, a maintenance back panel is clamped on one side of the chassis, a reserved seat is welded on the side of the maintenance back panel away from the chassis, an assembly bracket is installed on the reserved seat, a fixing rod is evenly welded on one end of the assembly bracket, a locking nut is threadedly connected to one end of the fixing rod, the display screen body is clamped on the inside of the chassis, a display module body is arranged inside the chassis on one side of the display screen body, a micro air pump is installed on the top of the maintenance back panel, and an air intake filter tube matching the micro air pump is evenly arranged on the bottom of the chassis.

[0006] Preferably, the assembly bracket is made of carbon steel, and the outer side wall of the assembly bracket is provided with a polysulfone rigid layer, so that the structural strength of the assembly bracket is improved.

[0007] Preferably, one side of the assembly bracket is evenly welded with positioning slides arranged at equal intervals, the reserved seat is provided with a positioning slide groove matching the positioning slide, and the positioning slide bar and the positioning slide groove are evenly provided with first mounting screw holes, so that the assembly bracket and the maintenance back panel can be disassembled, assembled and maintained.

[0008] Preferably, three fixing rods are provided, and second mounting screw holes are provided on the fixing rods to facilitate fixed installation of the device.

[0009] Preferably, a locking screw matching the locking nut is welded on the fixed plug rod, so that the structure of the fixed plug rod is optimized.

[0010] Preferably, one end of the inspection back panel is evenly provided with reinforcing side mounting buckles that match the chassis, and screws are provided between the reinforcing side mounting buckles and the chassis as well as the four corners of the inspection back panel and the chassis, so that the internal components of the chassis are easy to inspect and maintain.

[0011] Preferably, a threaded connection is formed between the air intake filter tube and the chassis, and a filter screen and a waterproof breathable membrane are provided inside the air intake filter tube, so that the user can disassemble, assemble and replace the air intake filter tube conveniently.

[0012] Preferably, hollow weight-reducing layers are evenly arranged on the display module body, so as to reduce the weight of the device and improve the stability.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The hollow display module dedicated to the variable information board is installed with positioning slide bars and positioning grooves, etc., so that the device optimizes its own structure. On the one hand, the user can use the reinforcement side mounting buckles and the screws provided at the four corners of the chassis and the maintenance back plate and between the chassis to realize the disassembly and assembly of the maintenance back plate on the chassis, which makes the internal components of the chassis easy to inspect and maintain. On the other hand, the user can use the sliding connection between the positioning slide bars and the positioning grooves, in conjunction with the locking and fixing effect formed by the first mounting screw holes and screws, to realize the disassembly and assembly of the assembly bracket and the maintenance back plate for maintenance;

[0015] (2) The hollow display module dedicated to the variable information board is installed with an air intake filter tube and a chassis, etc., so that the device optimizes its own performance. On the one hand, by starting the micro air pump, the gas at the top of the chassis can be continuously extracted, and the gas from the external environment can be replenished into the chassis through the air intake filter tube with a filter net and a waterproof breathable membrane. This enables the device to achieve a good active heat dissipation function through automatic ventilation. On the other hand, by forming a threaded connection between the air intake filter tube and the chassis, it is convenient for users to disassemble and replace the air intake filter tube;

[0016] (3) The hollow display module dedicated to the variable information board is installed with a hollow weight-reducing layer and a fixed plug rod, etc., so that when the device is actually operated, on the one hand, the hollow weight-reducing layer is evenly arranged on the display module body, which reduces the weight of the device and improves the stability after installation. On the other hand, the user pre-punches the road pillar with a fixed socket corresponding to the fixed plug rod. During actual installation, the user inserts the fixed plug rod into the fixed socket on the road pillar, and then locks the locking nut on the locking screw at the rear end of the fixed plug rod. This facilitates the fixed installation of the device and has high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the rear view structure of the chassis of the utility model;

[0019] Figure 3 This is a schematic diagram of the front view structure of the assembly bracket of the utility model;

[0020] Figure 4 It is a partial cross-sectional structural diagram of the rear view of the chassis of the utility model;

[0021] Figure 5 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. Assembly bracket; 2. Fixing rod; 3. Chassis; 4. Display screen body; 5. Reserved seat; 6. Positioning slide; 7. Back plate for maintenance; 8. Micro air pump; 9. First mounting screw hole; 10. Second mounting screw hole; 11. Locking screw; 12. Locking nut; 13. Positioning slide; 14. Air intake filter tube; 15. Display module body; 16. Hollow weight reduction layer; 17. Side mounting buckle for reinforcement. DETAILED DESCRIPTION

[0023] 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. Based on the embodiments in 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.

[0024] See also Figure 1-5 The utility model provides an embodiment: a hollow display module for a variable information board, including a chassis 3 and a display screen body 4, and a maintenance back plate 7 is clamped on one side of the chassis 3;

[0025] A reserved seat 5 is welded on the side of the maintenance back plate 7 away from the chassis 3, and an assembly bracket 1 is installed on the reserved seat 5;

[0026] A fixing rod 2 is evenly welded to one end of the assembly bracket 1, and a locking nut 12 is threadedly connected to one end of the fixing rod 2;

[0027] The display screen body 4 is clamped inside the chassis 3, and a display module body 15 is arranged inside the chassis 3 on one side of the display screen body 4;

[0028] A micro air pump 8 is installed on the top of the maintenance back plate 7, and an air intake filter tube 14 matching the micro air pump 8 is evenly arranged at the bottom of the chassis 3;

[0029] The material of the assembly bracket 1 is carbon steel, and the outer side wall of the assembly bracket 1 is provided with a polysulfone rigid layer, so that the structural strength of the assembly bracket 1 is improved;

[0030] One side of the assembly bracket 1 is evenly welded with positioning slides 13 arranged at equal intervals, and the reserved seat 5 is provided with a positioning slide 6 matching the positioning slide 13, and the positioning slide 13 and the positioning slide 6 are evenly provided with first mounting screw holes 9;

[0031] When in use, the user can utilize the sliding connection between the positioning slide bar 13 and the positioning slide groove 6, in conjunction with the locking and fixing function formed by the first mounting screw hole 9 and the screw, to disassemble and assemble the assembly bracket 1 and the maintenance back plate 7 for maintenance;

[0032] There are three fixed plug rods 2, and the fixed plug rods 2 are provided with second mounting screw holes 10;

[0033] A locking screw 11 matching the locking nut 12 is welded on the fixed plug rod 2.

[0034] When in use, the user pre-marks the road support with a fixed socket corresponding to the fixed plug rod 2. During actual installation, the user inserts the fixed plug rod 2 into the fixed socket on the road support, and then locks and fixes the locking nut 12 on the locking screw 11 at the tail end of the fixed plug rod 2, which facilitates the fixed installation of the device.

[0035] One end of the inspection back plate 7 is evenly provided with a reinforcement side mounting buckle 17 that matches the chassis 3, and screws are provided between the reinforcement side mounting buckle 17 and the chassis 3 and the four corners of the inspection back plate 7 and the chassis 3;

[0036] When in use, the user can use the screws provided at the four corners of the chassis 3 and the inspection back plate 7 and the chassis 3 to disassemble and assemble the inspection back plate 7 on the chassis 3, which makes it easier to inspect and maintain the internal components of the chassis 3;

[0037] The air intake filter tube 14 and the chassis 3 are threadedly connected, and a filter screen and a waterproof breathable membrane are arranged inside the air intake filter tube 14;

[0038] When in use, on the one hand, the micro air pump 8 is started to continuously extract the gas at the top of the chassis 3, and the gas from the external environment can be replenished into the chassis 3 through the air intake filter tube 14 with a filter screen and a waterproof breathable membrane, which enables the device to achieve a better active heat dissipation function through automatic ventilation. On the other hand, by forming a threaded connection between the air intake filter tube 14 and the chassis 3, it is convenient for the user to disassemble and replace the air intake filter tube 14;

[0039] The display module body 15 is evenly provided with hollow weight-reducing layers 16 , which reduce the weight of the device and improve the stability after installation.

[0040] When the embodiment of the present application is in use: the user pre-marks the road support with a fixing hole corresponding to the fixing rod 2. During actual installation, the user inserts the fixing rod 2 into the fixing hole on the road support, and then locks and fixes the locking nut 12 on the locking screw 11 at the rear end of the fixing rod 2. This facilitates the fixed installation of the device. In addition, on the one hand, the user can use the screws provided at the four corners of the chassis 3 and the maintenance back plate 7 and the chassis 3 to realize the disassembly and assembly of the maintenance back plate 7 on the chassis 3, which makes the internal components of the chassis 3 easy to repair and maintain. On the other hand, the hollow weight-reducing layer 16 is evenly provided on the display module body 15, which reduces the weight of the device. The dead weight of the chassis 3 is reduced, and the stability after installation is improved. At the same time, on the one hand, by starting the micro air pump 8, the gas at the top of the chassis 3 can be continuously extracted, and the gas from the external environment can be supplemented to the inside of the chassis 3 through the air intake filter tube 14 with a filter mesh and a waterproof breathable membrane, which enables the device to achieve a better active heat dissipation function through automatic ventilation. On the other hand, by forming a threaded connection between the air intake filter tube 14 and the chassis 3, it is convenient for the user to disassemble and replace the air intake filter tube 14. In addition, the user can use the sliding connection between the positioning slide bar 13 and the positioning slide groove 6, in conjunction with the locking and fixing effect formed by the first mounting screw hole 9 and the screw, to realize the disassembly and maintenance of the assembly bracket 1 and the maintenance back panel 7.

Claims

1. A hollow display module for variable information board, characterized in that: The invention comprises a chassis (3) and a display screen body (4), wherein a maintenance back plate (7) is clamped on one side of the chassis (3), a reserved seat (5) is welded on the side of the maintenance back plate (7) away from the chassis (3), an assembly bracket (1) is installed on the reserved seat (5), a fixed plug rod (2) is evenly welded on one end of the assembly bracket (1), a locking nut (12) is threadedly connected on one end of the fixed plug rod (2), the display screen body (4) is clamped on the inside of the chassis (3), a display module body (15) is arranged inside the chassis (3) on one side of the display screen body (4), a micro air pump (8) is installed on the top of the maintenance back plate (7), and an air intake filter tube (14) matching the micro air pump (8) is evenly arranged on the bottom of the chassis (3).

2. The hollow display module for variable information board according to claim 1, characterized in that: The material of the assembly bracket (1) is carbon steel, and the outer side wall of the assembly bracket (1) is provided with a polysulfone rigid layer.

3. The hollow display module for variable information board according to claim 1, characterized in that: One side of the assembly bracket (1) is evenly welded with positioning slides (13) arranged at equal intervals, the reserved seat (5) is provided with a positioning slide groove (6) matching the positioning slide (13), and the positioning slide strip (13) and the positioning slide groove (6) are evenly provided with first mounting screw holes (9).

4. The hollow display module for variable information board according to claim 1, characterized in that: The fixing plug rods (2) are provided in three numbers, and the fixing plug rods (2) are provided with second mounting screw holes (10).

5. The hollow display module for variable information board according to claim 1, characterized in that: A locking screw (11) matching the locking nut (12) is welded on the fixed insertion rod (2).

6. The hollow display module for variable information board according to claim 1, characterized in that: One end of the maintenance back plate (7) is evenly provided with reinforcement side mounting buckles (17) matching the chassis (3), and screws are provided between the reinforcement side mounting buckles (17) and the chassis (3) as well as between the four corners of the maintenance back plate (7) and the chassis (3).

7. The hollow display module for variable information board according to claim 1, characterized in that: The air intake filter tube (14) and the chassis (3) are threadedly connected, and a filter screen and a waterproof breathable membrane are provided inside the air intake filter tube (14).

8. The hollow display module for variable information board according to claim 1, characterized in that: A hollow weight-reducing layer (16) is evenly arranged on the display module body (15).

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