LED box body assembly and LED display device

Abstract

The LED box body assembly comprises a shell, a handle assembly is arranged on the outer wall of the top face of the shell, the handle assembly comprises a holding section, the two ends of the holding section are connected with connecting arms in a rotating mode, a containing groove is formed in the top face of the shell, containing cavities are oppositely formed in the top end of the shell, and the handle assembly is connected with the containing grooves in a rotating mode. Inclined holes are formed in the two ends of the containing groove correspondingly, one end of the containing cavity is connected with the inclined holes, limiting grooves are formed in the outer walls of the two sides of the connecting arm correspondingly, limiting columns are fixed to the inner walls of the two sides of the containing cavity, a back plate is arranged on the side wall of the shell, an air outlet is formed in the back plate, and a cooling fan is fixed to the inner wall of the air outlet. Air inlets are formed in the two ends of the outer wall of one side of the shell, and filter screens are fixed to the air inlets. According to the utility model, through the arrangement of the handle assembly, during splicing installation, the holding section is located in the storage groove and is lower than the top surface of the shell, so that splicing is facilitated, a handle does not need to be disassembled and assembled for many times, and the installation efficiency is improved.

Description

Technical Field

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

[0002] Due to the intuitive and convenient display, LED display devices are widely used in advertising exhibitions. Most existing LED display devices adopt a box structure design. According to the specification requirements, multiple boxes are spliced into a large-screen LED display device. In order to facilitate the hoisting of the boxes, a handle is provided on the rear side of each box.

[0003] After retrieval, a patent with the Chinese patent publication number CN210694634U discloses a quick-installation handle for an LED display screen box, which includes a handle base, a base reinforcement plate, a right handle side plate, a left handle side plate, a snap button, a spring and a foam. The base reinforcement plate is fixed to the bottom of the handle base. The left handle side plate and the right handle side plate are fixed to the left and right sides of the handle base. The snap button is installed between the left handle side plate and the right handle side plate. The snap button is arranged in front of the handle base. The spring is installed between the handle base and the snap button. The foam is installed on the top of the handle base.

[0004] This patent installs the handle when the box is being carried and removes the handle when the boxes are being installed and spliced, avoiding the interference of the handle during installation. However, during handling and installation, the handle needs to be disassembled and assembled multiple times, which is rather troublesome and affects work efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies in the prior art and propose an LED box assembly and an LED display device.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An LED box assembly includes a housing. A handle assembly is provided on the outer wall of the top surface of the housing. The handle assembly includes a holding section. Connecting arms are rotatably connected to both ends of the holding section. A storage groove is formed on the top surface of the housing. A notch is provided on one side of the storage groove. A storage cavity is oppositely arranged at the top end of the housing. Oblique holes are provided at both ends of the storage groove. One end of the storage cavity is connected to the oblique hole. The connecting arms are slidably fitted to the inner wall of the storage cavity. Limiting grooves are formed on the outer walls on both sides of the connecting arms. Limiting columns are fixed to the inner walls on both sides of the storage cavity. The limiting columns are slidably fitted to the limiting grooves.

[0008] As a further solution of the LED box assembly described in the present utility model: a back plate is provided on the side wall of the housing, an air outlet is provided on the back plate, and a heat dissipation fan is fixed on the inner wall of the air outlet.

[0009] As a further solution of the LED box assembly described in the present utility model: air inlets are provided at both ends of the outer wall of one side of the housing, and filters are fixed on the air inlets.

[0010] As a further solution of the LED box assembly described in the present utility model: an anti-slip layer is avoided on the holding section.

[0011] As a further solution of the LED box assembly described in the present utility model: the connecting arm is made of flexible plastic material.

[0012] As a further solution of the LED box assembly described in the present utility model: an installation groove is opened at one end of the inner wall of the air outlet, and connecting seats are uniformly fixed on the inner wall of the installation groove.

[0013] As a further solution of the LED box assembly described in the present utility model: a rotating shaft is rotatably connected to the connecting seat, and louvers are fixed on the rotating shaft.

[0014] As a further solution of the LED box assembly described in the present utility model: the louvers are arranged in a straight line in the vertical direction, and the bottom end of the upper louver contacts the surface of the rotating shaft adjacent to it below.

[0015] An LED display device, including a box assembly and a display module arranged on the front side of the box assembly, and the box assembly is the above-mentioned LED box assembly.

[0016] Compared with the prior art, the present utility model provides an LED box assembly and an LED display device, which have the following beneficial effects:

[0017] 1. In the present utility model, by providing a handle assembly, during handling, the worker pulls out the holding section located in the storage groove through the notch with the hand. At the same time, the connecting arms on both sides are pulled by the holding section and extend out of the inclined holes along the storage cavity. During splicing and installation, the holding section is located inside the storage groove and is lower than the top surface of the housing, which is convenient for splicing and does not require multiple disassembly and assembly of the handle, improving the installation efficiency.

[0018] 2. In the present utility model, by providing a heat dissipation fan, air inlets and air outlets, during operation, the air circulation inside the housing is accelerated to perform forced heat dissipation, ensuring the reliability of the operation.

[0019] 3. In the present utility model, by providing connecting seats, rotating shafts and louvers, when the heat dissipation fan stops working, the louvers rotate downward under the action of gravity to close the air outlet, avoiding insects from entering the device through the air outlet when the heat dissipation fan stops working and causing the device to malfunction.

[0020] The parts not involved in this device are the same as the prior art or can be implemented using the prior art. The structure of this utility model is simple and the operation is convenient. Description of the Drawings

[0021] Figure 1 is a schematic diagram of the overall structure of the LED box assembly proposed by this utility model;

[0022] Figure 2 is a cross-sectional view of the LED box assembly proposed by this utility model;

[0023] Figure 3 is a side cross-sectional view of the LED box assembly proposed by this utility model;

[0024] Figure 4 is a partially enlarged view of the LED box assembly proposed by this utility model;

[0025] Figure 5 is a schematic diagram of the partial structure of the LED box assembly proposed by this utility model.

[0026] In the figure: 1 - housing, 2 - back plate, 3 - air outlet, 4 - storage groove, 5 - notch, 6 - holding section, 7 - connecting arm, 8 - air inlet, 9 - filter, 10 - inclined hole, 11 - storage cavity, 12 - limiting post, 13 - limiting groove, 14 - cooling fan, 15 - installation groove, 16 - connecting seat, 17 - rotating shaft, 18 - louver, 19 - anti-slip layer. Detailed Embodiments

[0027] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments.

[0028] In the description of this utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to this utility model.

[0029] Embodiment 1

[0030] The LED box assembly, as Figures 1 to 3As shown in the figure, it includes a housing 1. A back plate 2 is provided on the side wall of the housing 1. An air outlet 3 is provided on the back plate 2. At both ends of the outer wall on one side of the housing 1, air inlets 8 are provided. A filter screen 9 is fixed on the air inlets 8. A cooling fan 14 is fixed on the inner wall of the air outlet 3. A handle assembly is provided on the outer wall of the top surface of the housing 1. The handle assembly includes a gripping section 6. At both ends of the gripping section 6, connecting arms 7 are rotatably connected. The connecting arms 7 are made of flexible plastic material. A storage groove 4 is opened on the top surface of the housing 1. A notch 5 is provided on one side of the storage groove 4. A storage cavity 11 is provided opposite to the top end of the housing 1. Oblique holes 10 are provided at both ends of the storage groove 4. One end of the storage cavity 11 is connected to the oblique hole 10. The connecting arms 7 are slidably fitted on the inner wall of the storage cavity 11. Limiting grooves 13 are opened on both outer walls of the connecting arms 7. Limiting columns 12 are fixed on both inner walls of the storage cavity 11. The limiting columns 12 are slidably fitted with the limiting grooves 13. An anti-slip layer 19 is provided on the gripping section 6 to avoid slipping.

[0031] During handling, the worker pulls out the gripping section 6 located in the storage groove 4 through the notch 5 with his hand. At the same time, the connecting arms 7 on both sides are pulled by the gripping section 6 and extend out from the oblique holes 10 along the storage cavity 11. Through the cooperation of the limiting columns 12 and the limiting grooves 13, the moving distance of the connecting arms 7 is restricted. During splicing and installation, the gripping section 6 is located inside the storage groove 4 and is lower than the top surface of the housing 1, which is convenient for splicing. When the installation work is completed, the cooling fan 14 accelerates the air circulation inside the housing 1 for forced heat dissipation, and the filter screen 9 filters the air entering the housing 1 through the air inlets 8.

[0032] By providing the handle assembly, during handling, the worker pulls out the gripping section 6 located in the storage groove 4 through the notch 5 with his hand. At the same time, the connecting arms 7 on both sides are pulled by the gripping section 6 and extend out from the oblique holes 10 along the storage cavity 11. During splicing and installation, the gripping section 6 is located inside the storage groove 4 and is lower than the top surface of the housing 1, which is convenient for splicing. There is no need to disassemble and assemble the handle multiple times, improving the installation efficiency.

[0033] By providing the cooling fan 14, the air inlets 8 and the air outlet 3, during operation, the air circulation inside the housing 1 is accelerated for forced heat dissipation, ensuring the reliability of the operation.

[0034] Embodiment 2

[0035] The LED box assembly. In this embodiment, the following improvements are made on the basis of Embodiment 1, as Figure 3 、 Figure 4 shown, one end of the inner wall of the air outlet 3 is provided with an installation groove 15. Connecting seats 16 are uniformly fixed on the inner wall of the installation groove 15. A rotating shaft 17 is rotatably connected to the connecting seats 16. A louver 18 is fixed on the rotating shaft 17. The louvers 18 are arranged in a straight line in the vertical direction, and the bottom end of the upper louver 18 contacts the surface of the rotating shaft 17 adjacent to it below.

[0036] When the cooling fan 14 works, the cooling fan 14 blows the louvers 18 to open upward, making the inside of the housing 1 communicate with the external environment to dissipate heat from the inside of the housing 1. When the cooling fan 14 stops working, the louvers 18 rotate downward under the action of gravity to close the air outlet 3, preventing insects from entering through the air outlet 3 when the cooling fan 14 stops working, which may affect the internal electronic components and cause the device to malfunction.

[0037] By providing the connecting seat 16, the rotating shaft 17 and the louvers 18, when the cooling fan 14 stops working, the louvers 18 rotate downward under the action of gravity to close the air outlet 3, preventing insects from entering through the air outlet 3 when the cooling fan 14 stops working and causing the device to malfunction.

[0038] Embodiment 3

[0039] The LED display device includes a box body assembly and a display module arranged on the front side of the box body assembly, and the box body assembly is the above-mentioned LED box body assembly. Since the above box body assembly can solve the problems of repeatedly disassembling and installing the handle, low work efficiency, and insects entering through the air outlet 3 when the device stops working, resulting in device failure, the LED display device with this box body assembly can solve the same technical problems.

[0040] Working principle: During handling, the worker pulls out the holding section 6 located in the receiving groove 4 through the notch 5 with his hand. At the same time, the connecting arms 7 on both sides are pulled by the holding section 6 and extend out of the inclined holes 10 along the receiving cavity 11. The movement distance of the connecting arms 7 is restricted by the cooperation of the limiting posts 12 and the limiting grooves 13. During splicing and installation, the holding section 6 is located inside the receiving groove 4 and is lower than the top surface of the housing 1, facilitating splicing. When the device starts to work after installation, the cooling fan 14 starts and blows the louvers 18 to open upward, making the inside of the housing 1 communicate with the external environment to dissipate heat from the inside of the housing 1. The filter screen 9 filters the air entering the housing 1 through the air inlet 8. When the cooling fan 14 stops working, the louvers 18 rotate downward under the action of gravity to close the air outlet 3, preventing insects from entering through the air outlet 3 when the cooling fan 14 stops working.

[0041] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. LED box assembly, characterized in that: The invention comprises a shell (1), wherein the outer wall of the top surface of the shell (1) is provided with a handle assembly, wherein the handle assembly comprises a gripping section (6), wherein both ends of the gripping section (6) are rotatably connected with connecting arms (7), wherein the top surface of the shell (1) is provided with a storage groove (4), wherein one side of the storage groove (4) is provided with a notch (5), wherein the top end of the shell (1) is relatively provided with a storage cavity (11), wherein both ends of the storage groove (4) are provided with inclined holes (10), wherein one end of the storage cavity (11) is connected with the inclined hole (10), wherein the connecting arm (7) is slidably matched with the inner wall of the storage cavity (11), and both sides of the outer walls of the connecting arm (7) are provided with limiting grooves (13), and limiting columns (12) are fixed to the inner walls of both sides of the storage cavity (11), wherein the limiting columns (12) are slidably matched with the limiting grooves (13).

2. The LED box assembly according to claim 1, characterized in that: The side wall of the shell (1) is provided with a back plate (2), an air outlet (3) is provided on the back plate (2), and a heat dissipation fan (14) is fixed to the inner wall of the air outlet (3).

3. The LED box assembly according to claim 1, characterized in that: Air inlets (8) are provided at both ends of an outer wall of one side of the shell (1), and a filter screen (9) is fixed on the air inlet (8).

4. The LED box assembly according to claim 1, characterized in that: The gripping section (6) avoids being provided with an anti-slip layer (19).

5. The LED box assembly according to claim 1, characterized in that: The connecting arm (7) is made of flexible plastic material.

6. The LED box assembly according to claim 2, characterized in that: A mounting groove (15) is provided at one end of the inner wall of the air outlet (3), and a connecting seat (16) is evenly fixed on the inner wall of the mounting groove (15).

7. The LED box assembly according to claim 6, characterized in that: The connecting seat (16) is rotatably connected to a rotating shaft (17), and a shutter (18) is fixed on the rotating shaft (17).

8. The LED box assembly according to claim 7, characterized in that: The louvers (18) are arranged in a straight line in the vertical direction, and the bottom end of the upper louver (18) contacts the surface of the adjacent rotating shaft (17) below it.

9. An LED display device, comprising a box assembly and a display module arranged on the front side of the box assembly, characterized in that: The box assembly is the LED box assembly according to any one of claims 1 to 8.

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