LED display screen box

Abstract

The utility model relates to the technical field of LED display screens, and provides an LED display screen box which comprises a box body and further comprises a display screen body, the front side of the box body is movably connected with a cover plate, the two ends of the rear side of the cover plate are each fixedly provided with two first connecting columns, the four first connecting columns are divided into two groups, and the first connecting columns are connected with the display screen body. Two groups of first connecting columns are fixedly mounted on the base, reciprocating screw rods are movably embedded in the two groups of first connecting columns, rotating rods are fixedly mounted at the bottoms of the two reciprocating screw rods, and first bevel gears are fixedly arranged on the outer surfaces of the bottoms of the two rotating rods in a sleeving manner. The rotary fan is arranged on the display screen body, so that the rotary fan can do reciprocating lifting motion, then wind blown to the display screen body can cover the front side of the whole display screen, the heat dissipation range of the rotary fan is widened, uniform cooling of the display screen body is achieved, and the situation of local overheating is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display screens, in particular to an LED display screen box. Background Art

[0002] LED display is a flat panel display, which is composed of small LED module panels. LED display is usually used for information display, digital display and various displays of electronic instruments. Its potential value is very large. It can also be used for signal lights in urban transportation, highways, railways, airports, navigation and river navigation. When using, LED display is usually placed inside the box, which is protected and dustproof.

[0003] However, the existing LED display cabinets are usually designed with a single function. When the LED display continues to run inside the cabinet, it is easy to cause the equipment to overheat. Due to the increase in temperature inside the cabinet, it may have a negative impact on the performance and life of the LED display. If the temperature continues to rise and cannot be dissipated in time, the display effect of the display may be reduced, or even malfunction in a long-term high temperature environment. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the LED display screen box is usually designed with a single function.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an LED display screen box, including a box body and a display screen body, the front side of the box body is movably connected with a cover plate, two first connecting columns are fixedly installed at both ends of the rear side of the cover plate, the four first connecting columns are divided into two groups, and reciprocating screws are movably embedded in the interiors of the two groups of the first connecting columns, and rotating rods are fixedly installed at the bottoms of the two reciprocating screws, and the bottom outer surfaces of the two rotating rods are fixedly sleeved with first bevel gears, a double-axis motor is fixedly installed at the center of the bottom side of the inner wall of the box body, and the outer surfaces of the output shafts on both sides of the double-axis motor are fixedly sleeved with second bevel gears, and the two second bevel gears are meshed with the adjacent first bevel gears, and sliding grooves are opened at both ends of the rear side of the cover plate.

[0006] As a preferred embodiment, the outer surfaces of the two reciprocating screw rods are movably sleeved with sliders, and the front outer surfaces of the two sliders are slidably connected to the inner surface of the slide groove.

[0007] The technical effect of adopting the above further solution is that when the reciprocating screw is rotating, the slider can be driven to perform up and down reciprocating translation motion through the slide groove on the cover plate.

[0008] As a preferred embodiment, a rotating fan is fixedly installed on the rear side of the two sliders, a plurality of air inlets are opened inside the cover plate, a first dustproof net is fixedly installed on the rear side of the cover plate and behind the plurality of air inlets, and a plurality of air outlets are opened on both sides of the box body.

[0009] The technical effect of adopting the above further solution is that the rotary fan can be driven by the slider to perform reciprocating lifting motion.

[0010] As a preferred embodiment, second dustproof nets are fixedly installed on both sides of the inner wall of the box body and on the inner sides of the multiple air outlets, and a second connecting column is fixedly installed at the center of the front side of the display screen body.

[0011] The technical effect of adopting the above further solution is that the hot air can be evacuated through the air outlet, so that the hot air can be evacuated from the interior of the box body through the second dustproof net.

[0012] As a preferred implementation, a first connection hole is opened at the inner center of the second connection column, and a connection piece is fixedly installed at the inner center of the box body.

[0013] The technical effect of adopting the above further solution is that the second connecting column can be embedded in the first connecting hole.

[0014] As a preferred embodiment, a first return spring is fixedly mounted on the bottom side of the inner wall of the connecting member, a bottom plate is fixedly mounted on the other end of the first return spring, and the bottom plate is movably embedded in the interior of the connecting member.

[0015] The technical effect of adopting the above further solution is that the bottom plate can be squeezed to move forward, driving the first return spring to contract.

[0016] As a preferred embodiment, first connecting blocks are movably embedded on both sides of the interior of the connecting piece, second return springs are fixedly installed on the outer sides of the two first connecting blocks, and the other ends of the two second return springs are fixedly installed on the surface of the connecting piece.

[0017] The technical effect of adopting the above further solution is that when the bottom plate moves forward, it will squeeze the first connecting block, and the first connecting block will slide outwards due to the pressure.

[0018] As a preferred embodiment, the inner surfaces of the two second return springs are movably mounted on the outer surface of the first connecting block, second connecting holes are opened around the rear side of the box body, and second connecting blocks are fixedly installed around the front side of the display body.

[0019] The technical effect of adopting the above further solution is that the second connecting block can be driven to be synchronously embedded into the second connecting hole, thereby making the display screen body and the box body fixedly connected.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are:

[0021] 1. When the utility model is in use, the rotary fan can perform reciprocating lifting and lowering motions through the linkage structure of the dual-axis motor and the rotary fan, so that the wind blowing to the display screen body can cover the front side of the entire display screen, thereby increasing the heat dissipation range of the rotary fan, thereby achieving uniform cooling of the display screen body, avoiding local overheating, and solving the problem that the LED display screen cabinet is usually designed with a single function.

[0022] 2. When the utility model is in use, the workers can easily install the display screen body through the linkage structure such as the connecting piece and the second connecting block, which is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A rear-view stereoscopic structural diagram of an LED display screen box provided by the utility model;

[0024] Figure 2 A schematic diagram of a partial three-dimensional structure of an LED display screen box provided by the utility model;

[0025] Figure 3 A schematic diagram of the internal three-dimensional structure of a box body of an LED display screen provided by the utility model;

[0026] Figure 4 The utility model provides a schematic diagram of a cross-sectional three-dimensional structure of a connecting piece of an LED display screen box.

[0027] Legend:

[0028] 1. Box body; 101. Cover plate; 102. First connecting column; 103. Reciprocating screw rod; 104. Rotating rod; 105. First bevel gear; 106. Double-axis motor; 107. Second bevel gear; 108. Slide groove; 109. Sliding block; 110. Rotating fan; 111. Air inlet; 112. Air outlet; 113. First dustproof net; 114. Second dustproof net; 2. Connecting piece; 201. Bottom plate; 202. First return spring; 203. First connecting block; 204. Second return spring; 205. Display screen body; 206. Second connecting column; 207. First connecting hole; 208. Second connecting hole; 209. Second connecting block. DETAILED DESCRIPTION

[0029] 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 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.

[0030] Example 1, please refer to Figure 1-4 The utility model provides a technical solution: an LED display box, including a box body 1, and also including a display body 205, the front side of the box body 1 is movably connected with a cover plate 101, and two first connecting columns 102 are fixedly installed at both ends of the rear side of the cover plate 101, and the four first connecting columns 102 are divided into two groups, and the interiors of the two groups of first connecting columns 102 are movably embedded with reciprocating screw rods 103, and the bottoms of the two reciprocating screw rods 103 are fixedly installed with rotating rods 104, and the bottom outer surfaces of the two rotating rods 104 are fixedly sleeved with first bevel gears 105, and a double-axis motor 106 is fixedly installed at the center of the bottom side of the inner wall of the box body 1, and the outer surfaces of the output shafts on both sides of the double-axis motor 106 are fixedly sleeved with second bevel gears 10 7. The two second bevel gears 107 are meshed with the adjacent first bevel gears 105. Slide grooves 108 are provided at both ends of the rear side of the cover plate 101. Slide blocks 109 are movably sleeved on the outer surfaces of the two reciprocating screw rods 103. The front outer surfaces of the two slide blocks 109 are slidably connected to the inner surfaces of the slide grooves 108. Rotating fans 110 are fixedly installed on the rear sides of the two slide blocks 109. A plurality of air inlets 111 are provided inside the cover plate 101. A first dustproof net 113 is fixedly installed on the rear side of the cover plate 101 and located behind the plurality of air inlets 111. A plurality of air outlets 112 are provided on both sides of the box body 1. Second dustproof nets 114 are fixedly installed on both sides of the inner wall of the box body 1 and located inside the plurality of air outlets 112.

[0031] In this embodiment, when the display screen body 205 is used for too long in the box body 1 and overheats, the staff can start the dual-axis motor 106 through the power supply system of the dual-axis motor 106, so that the dual-axis motor 106 is transmitted to the first bevel gear 105 through the second bevel gear 107 during operation, thereby causing the rotating rod 104 to rotate, and then the reciprocating screw rod 103 embedded in the first connecting column 102 is driven by the rotating rod 104 to rotate synchronously, and when the reciprocating screw rod 103 rotates, it drives the slider 109 to move up and down through the slide groove 108 on the cover plate 101, and then drives the rotating fan 110 to reciprocate and lift through the slider 109, and then starts the rotating fan 110 through the power supply system of the rotating fan 110. When the machine 110 is running, air is sucked in through the air inlet 111, and the wind is blown to the front side of the display screen body 205 through the first dustproof net 113, thereby cooling the display screen body 205, and the reciprocating lifting and lowering motion of the rotating fan 110 can increase the heat dissipation range of the rotating fan 110, and at the same time, the hot air is evacuated through the air outlet 112, so that the hot air is evacuated out of the interior of the box body 1 through the second dustproof net 114, and the rotating fan 110 can be reciprocated and lifted by the linkage structure of the dual-axis motor 106 and the rotating fan 110, so that the wind blowing to the display screen body 205 can cover the entire front side of the display screen, thereby increasing the heat dissipation range of the rotating fan 110, thereby achieving uniform cooling of the display screen body 205 and avoiding local overheating.

[0032] Embodiment 2, as Figure 1-4 As shown, a second connecting column 206 is fixedly installed at the front center of the display screen body 205, and a first connecting hole 207 is opened at the inner center of the second connecting column 206. A connecting piece 2 is fixedly installed at the inner center of the box body 1, and a first return spring 202 is fixedly installed on the bottom side of the inner wall of the connecting piece 2. The other end of the first return spring 202 is fixedly installed with a bottom plate 201, and the bottom plate 201 is movably embedded in the interior of the connecting piece 2. First connecting blocks 203 are movably embedded on both sides of the interior of the connecting piece 2, and second return springs 204 are fixedly installed on the outer sides of the two first connecting blocks 203. The other ends of the two second return springs 204 are fixedly installed on the surface of the connecting piece 2, and the inner surfaces of the two second return springs 204 are movably sleeved on the outer surface of the first connecting block 203. Second connecting holes 208 are opened all around the rear side of the box body 1, and second connecting blocks 209 are fixedly installed all around the front side of the display screen body 205.

[0033] In this embodiment, the staff can pick up the display screen body 205, so that the second connecting column 206 is embedded in the interior of the connecting member 2 and is located at the rear side of the bottom plate 201, and then press the display screen body 205 to make the display screen body 205 slide forward, thereby squeezing the bottom plate 201 to move forward, driving the first return spring 202 to contract, and at the same time, when the bottom plate 201 moves forward, it will squeeze the first connecting block 203, and the first connecting block 203 will slide outward through pressure, driving the second return spring 204 to extend, and when the second connecting column 206 moves to a suitable position, the second return spring 204 will be reset, driving the first connecting block 203 to move inward, thereby making the second connecting column 206 embedded in the interior of the first connecting hole 207, and at the same time driving the second connecting block 209 to be synchronously embedded in the interior of the second connecting hole 208, so that the display screen body 205 is fixedly connected to the box body 1, and through the linkage structure such as the connecting member 2 and the second connecting block 209, the staff can easily install the display screen body 205, which is simple and quick.

[0034] Working principle: When the display screen body 205 is used for too long in the box body 1 and overheats, the staff can start the dual-axis motor 106 through the power supply system of the dual-axis motor 106, so that the dual-axis motor 106 is transmitted to the first bevel gear 105 through the second bevel gear 107 during operation, thereby causing the rotating rod 104 to rotate, and then the rotating rod 104 drives the reciprocating screw 103 embedded in the first connecting column 102 to rotate synchronously, and when the reciprocating screw 103 rotates, it drives the slider 109 to move up and down through the slide groove 108 on the cover plate 101, and then drives the rotating fan 110 to move back and forth through the slider 109, and then starts the rotating fan 110 through the power supply system of the rotating fan 110. When the machine 110 is running, air is sucked in through the air inlet 111, and the wind is blown to the front side of the display screen body 205 through the first dustproof net 113, thereby cooling the display screen body 205, and the reciprocating lifting and lowering motion of the rotating fan 110 can increase the heat dissipation range of the rotating fan 110, and at the same time, the hot air is evacuated through the air outlet 112, so that the hot air is evacuated out of the interior of the box body 1 through the second dustproof net 114, and the rotating fan 110 can be reciprocated and lifted by the linkage structure of the dual-axis motor 106 and the rotating fan 110, so that the wind blowing to the display screen body 205 can cover the entire front side of the display screen, thereby increasing the heat dissipation range of the rotating fan 110, thereby achieving uniform cooling of the display screen body 205 and avoiding local overheating. When in use, the staff can pick up the display screen body 205, so that the second connecting column 206 is embedded in the interior of the connecting piece 2 and is located at the rear side of the bottom plate 201, and then press the display screen body 205 to make the display screen body 205 slide forward, thereby squeezing the bottom plate 201 to move forward, driving the first return spring 202 to contract, and at the same time, when the bottom plate 201 moves forward, it will squeeze the first connecting block 203, and the first connecting block 203 will slide outward through pressure, driving the second return spring 204 to extend, and when the second connecting column 206 moves to a suitable position, it will reset the second return spring 204, driving the first connecting block 203 to move inward, thereby making the first connecting block 203 embedded in the interior of the first connecting hole 207, and at the same time driving the second connecting block 209 to be synchronously embedded in the interior of the second connecting hole 208, so that the display screen body 205 is fixedly connected to the box body 1, and through the linkage structure such as the connecting piece 2 and the second connecting block 209, the staff can easily install the display screen body 205, which is simple and quick.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An LED display box, comprising a box body (1) and a display body (205), characterized in that: The front side of the box body (1) is movably connected with a cover plate (101), and two first connecting columns (102) are fixedly installed at both ends of the rear side of the cover plate (101). The four first connecting columns (102) are divided into two groups. Reciprocating screw rods (103) are movably embedded inside the two groups of first connecting columns (102). Rotating rods (104) are fixedly installed at the bottom of the two reciprocating screw rods (103). The bottom outer surfaces of the two rotating rods (104) are fixedly sleeved with first bevel gears (105). A double-axis motor (106) is fixedly installed at the center of the bottom side of the inner wall of the box body (1). The outer surfaces of the output shafts on both sides of the double-axis motor (106) are fixedly sleeved with second bevel gears (107). The two second bevel gears (107) are meshed with the adjacent first bevel gears (105). Slide grooves (108) are provided at both ends of the rear side of the cover plate (101).

2. The LED display box according to claim 1, characterized in that: The outer surfaces of the two reciprocating screw rods (103) are both movably sleeved with sliders (109), and the front outer surfaces of the two sliders (109) are both slidably connected to the inner surface of the slide groove (108).

3. The LED display box according to claim 2, characterized in that: A rotating fan (110) is fixedly installed on the rear side of the two sliders (109), a plurality of air inlets (111) are provided inside the cover plate (101), a first dustproof net (113) is fixedly installed on the rear side of the cover plate (101) and located behind the plurality of air inlets (111), and a plurality of air outlets (112) are provided on both sides of the box body (1).

4. The LED display box according to claim 3, characterized in that: A second dustproof net (114) is fixedly installed on both sides of the inner wall of the box body (1) and on the inner sides of the plurality of air outlets (112), and a second connecting column (206) is fixedly installed at the front center of the display screen body (205).

5. The LED display box according to claim 4, characterized in that: A first connection hole (207) is provided at the inner center of the second connection column (206), and a connection piece (2) is fixedly installed at the inner center of the box body (1).

6. The LED display box according to claim 5, characterized in that: A first return spring (202) is fixedly mounted on the bottom side of the inner wall of the connecting member (2), a bottom plate (201) is fixedly mounted on the other end of the first return spring (202), and the bottom plate (201) is movably embedded in the interior of the connecting member (2).

7. The LED display box according to claim 6, characterized in that: First connecting blocks (203) are movably embedded on both sides of the interior of the connecting member (2), second return springs (204) are fixedly mounted on the outer sides of the two first connecting blocks (203), and the other ends of the two second return springs (204) are fixedly mounted on the surface of the connecting member (2).

8. The LED display box according to claim 7, characterized in that: The inner surfaces of the two second return springs (204) are movably sleeved on the outer surface of the first connecting block (203), the rear side of the box body (1) is provided with second connecting holes (208) around the periphery, and the front side of the display screen body (205) is fixedly mounted with second connecting blocks (209) around the periphery.

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