Distribution box with multi-stage heat dissipation structure

Abstract

The utility model discloses a distribution box with a multistage heat dissipation structure, which comprises a box body, a box door is rotatably arranged on the box body, a heat dissipation fan is arranged at the bottom of the box body, a dustproof net is arranged at the top of the heat dissipation fan, a hollow cylinder is fixedly arranged at the top of the heat dissipation fan, and a sliding sleeve is slidably connected outside the hollow cylinder. The power distribution box comprises a box body, a hollow cylinder is arranged in the box body, through grooves are uniformly distributed in a circle of the hollow cylinder, first springs are fixedly arranged in the through grooves, and special-shaped balls are arranged in the through grooves through the first springs. And then the stop block limits the insertion column inserted into the hollow cylinder, so that the special-shaped ball and the groove are located at the same position, then the sliding sleeve is loosened, then the second spring drives the sliding sleeve to slide reversely, at the moment, the pressing area presses the special-shaped ball again, then the special-shaped ball is pressed into the groove, and at the moment, connection of the hollow cylinder and the insertion column can be completed.

Description

Technical Field

[0001] The utility model relates to the field of distribution boxes, in particular to a distribution box with a multi-level heat dissipation structure. Background Art

[0002] The distribution box is a circuit distribution box for all users' electricity consumption. It has the characteristics of small size, easy installation, and unique configuration functions. It is the control center that directs the reasonable distribution of electric energy among various components in the power supply line. It is the control link that reliably receives the upper power supply and correctly feeds out the load electric energy.

[0003] The reference document with application number CN220172702U is cited as the prior art. The drive motor is protected by the fan casing, and the first heat dissipation net and the second heat dissipation net are used to facilitate the circulation of air, while preventing safety hazards caused by accidental touch. The drive motor drives the cooling fan to rotate, speeds up the air flow rate, and facilitates the heat dissipation of the distribution box body, which helps to improve the heat dissipation efficiency and extend the service life of the components inside the distribution box body. Since the cooling fan is not equipped with a dust-blocking structure, dust will accumulate on the fan blades after a period of use, thereby affecting the normal operation of the cooling fan. Utility Model Content

[0004] The purpose of the utility model is to provide a distribution box with a multi-level heat dissipation structure in order to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distribution box with a multi-stage heat dissipation structure, comprising a box body, the box body having a rotatable box door, a cooling fan at the bottom of the box body, a dustproof net is arranged on the top of the cooling fan and a hollow cylinder is fixedly arranged, the outside of the hollow cylinder is slidably connected with a sliding sleeve, a circle of through grooves are evenly distributed on the hollow cylinder, a first spring is fixedly arranged inside the through groove, a special-shaped ball is arranged inside the through groove through the first spring, the sliding sleeve comprises a hollow area and a pressing area, a plug post is fixedly arranged on the bottom of the dustproof net, and a groove is arranged around the outside of the plug post.

[0006] As a further solution of the utility model, a hollow ring is fixed on the inner side of the box door, and a rotating shaft is rotatably connected to the inside of the box door. One end of the rotating shaft passes through the hollow ring and is fixedly connected to a disc. The hollow ring is slidably connected to an insertion rod, and the back of the disc is rotatably connected to an arc rod. A slot is respectively provided on the top, bottom, left and right sides of the box body.

[0007] As a further solution of the utility model, the shaped ball in the initial state is pressed by the pressing area, and the diameter of the shaped ball is smaller than the width of the groove.

[0008] As a further solution of the present invention, the cooling fan is driven by a motor, and three cooling fans are provided.

[0009] As a further solution of the utility model, the side wall of the box body is provided with a plurality of vertically distributed heat dissipation openings.

[0010] As a further solution of the utility model, a stopper is fixedly provided inside the hollow cylinder.

[0011] As a further solution of the utility model, the stopper can limit the position of the plug-in column after entering the hollow tube, so that the special-shaped ball and the groove are in the same position.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the heat dissipation mechanism, the heat dissipation fan is driven by the motor to achieve heat dissipation inside the box. The plug is inserted into the hollow cylinder, and then the block limits the plug inserted into the hollow cylinder, so that the special-shaped ball and the groove are in the same position, and then the sliding sleeve is loosened and the second spring drives the sliding sleeve to slide in the opposite direction. At this time, the pressing area presses the special-shaped ball again, and then presses the special-shaped ball into the inside of the groove. At this time, the hollow cylinder and the plug can be connected;

[0014] 2. Through the provided locking mechanism, the rotating turntable drives the disc to rotate through the rotating shaft. When the disc rotates, it drives the four arc rods to rotate synchronously. When the four arc rods rotate, they drive the four insertion rods to move and enter the inside of the slots, which is conducive to completing the locking of the box door. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the box of the utility model;

[0016] Figure 2 It is a schematic diagram of a hollow ring of the utility model;

[0017] Figure 3 It is a schematic diagram of the heat dissipation fan and dustproof net of the utility model;

[0018] Figure 4 It is a schematic diagram of the plug post and the hollow tube of the utility model.

[0019] Figure 5 It is a cross-sectional view of the hollow cylinder of the utility model;

[0020] Figure 6 This is a schematic diagram of point A of the present utility model.

[0021] In the figure: 1. box body; 2. box door; 3. cooling fan; 4. dust screen; 5. hollow cylinder; 6. sliding sleeve; 7. through groove; 8. first spring; 9. special-shaped ball; 10. hollow area; 11. pressing area; 12. plug column; 13. groove; 14. hollow ring; 15. rotating shaft; 16. disc; 17. plug rod; 18. arc rod; 19. slot; 20. block; 21. second spring. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 In the embodiment of the utility model, a distribution box with a multi-stage heat dissipation structure includes a box body 1, a side wall of the box body 1 is provided with a plurality of vertically distributed heat dissipation ports, the box body 1 is rotatably provided with a box door 2, a heat dissipation mechanism is provided inside the box body 1, the box door 2 is provided with a locking mechanism, the heat dissipation mechanism includes a heat dissipation fan 3 at the bottom of the box body 1, the heat dissipation fan 3 is driven by a motor, the heat dissipation fan 3 is provided with three, a dustproof net 4 is provided on the top of the heat dissipation fan 3 and a hollow cylinder 5 is fixedly provided, and a fixed device is provided inside the hollow cylinder 5 A stopper 20 is provided, and a sleeve 6 is slidably connected to the outside of the hollow tube 5. A circle of through grooves 7 are evenly distributed on the hollow tube 5. A first spring 8 is fixedly provided inside the through groove 7. A shaped ball 9 is provided inside the through groove 7 through the first spring 8. The sleeve 6 includes a hollow area 10 and a pressing area 11. A plug post 12 is fixedly provided at the bottom of the dustproof net 4. A groove 13 is provided on the outside of the plug post 12. The shaped ball 9 in the initial state is pressed by the pressing area 11, and the diameter of the shaped ball 9 is smaller than the width of the groove 13.

[0024] In this embodiment: the dust screen 4 is installed on the top of the cooling fan 3, and the specific installation method is as follows: the sliding sleeve 6 compresses the first spring 8, and when the sliding sleeve 6 slides, the pressing area 11 moves away from the position of the special-shaped ball 9, and then the hollow area 10 moves to the position of the special-shaped ball 9. At this time, the pressure of the pressing area 11 on the special-shaped ball 9 disappears. After the pressure disappears, the first spring 8 drives the special-shaped ball 9 to reset, and then the hollow area 10 provides a space for the special-shaped ball 9 to accommodate, and then the plug 12 is inserted into the interior of the hollow cylinder 5, and then the block 20 is inserted The plug post 12 inside the hollow tube 5 is limited so that the shaped ball 9 and the groove 13 are in the same position. Then the sliding sleeve 6 is released and the second spring 21 drives the sliding sleeve 6 to slide in the opposite direction. At this time, the pressing area 11 presses the shaped ball 9 again, and then presses the shaped ball 9 into the inside of the groove 13. At this time, the hollow tube 5 and the plug post 12 can be connected, and then the dustproof net 4 is installed on the top of the cooling fan 3. The dustproof net 4 is set to prevent the cooling fan 3 from accumulating dust. The sliding sleeve 6 is moved in the opposite direction to remove the dustproof net 4 from the top of the cooling fan 3.

[0025] Please refer to Figure 1 , 2 The locking mechanism includes a hollow ring 14, and a rotating shaft 15 is rotatably connected inside the box door 2. One end of the rotating shaft 15 passes through the hollow ring 14 and is fixedly connected to a disc 16. The other end of the rotating shaft 15 is located outside the box door 2 and is fixedly connected to a turntable. The hollow ring 14 is slidably connected to a plug rod 17, and the back of the disc 16 is rotatably connected to an arc rod 18. A slot 19 is respectively arranged on the upper, lower, left and right sides of the box body 1. The number of the plug rod 17 and the arc rod 18 are both four. One plug rod 17 corresponds to one arc rod 18 and is rotatably connected to the arc rod 18. The length and width of the slot 19 are greater than the length and width of the cross section of the plug rod 17. A second spring 21 is arranged on the outer circle of the hollow cylinder 5, and the second spring 21 is wrapped by the sliding sleeve 6.

[0026] In this embodiment: when the door 2 needs to be locked, the turntable drives the disc 16 to rotate through the shaft 15. When the disc 16 rotates, it drives the four arc rods 18 to rotate synchronously. When the four arc rods 18 rotate, they drive the four insertion rods 17 to move and enter the inside of the slots 19, which is conducive to completing the locking of the door 2.

[0027] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A distribution box with a multi-stage heat dissipation structure, comprising a box body (1), characterized in that: The box body (1) is provided with a rotatable box door (2), a cooling fan (3) is provided at the bottom of the box body (1), a dustproof net (4) is provided at the top of the cooling fan (3) and a hollow tube (5) is fixedly provided thereon, a sliding sleeve (6) is slidably connected to the outside of the hollow tube (5), a circle of through grooves (7) are evenly distributed on the hollow tube (5), a first spring (8) is fixedly provided inside the through groove (7), a special-shaped ball (9) is provided inside the through groove (7) through the first spring (8), the sliding sleeve (6) includes a hollow area (10) and a pressing area (11), a plug post (12) is fixedly provided at the bottom of the dustproof net (4), and a groove (13) is provided around the outside of the plug post (12).

2. A distribution box with a multi-stage heat dissipation structure according to claim 1, characterized in that: A hollow ring (14) is fixed on the inner side of the box door (2), and a rotating shaft (15) is rotatably connected inside the box door (2). One end of the rotating shaft (15) passes through the hollow ring (14) and is fixedly connected to a disc (16). The hollow ring (14) is slidably connected to an insertion rod (17), and the back of the disc (16) is rotatably connected to an arc rod (18). A slot (19) is respectively provided on the upper, lower, left and right sides of the box body (1).

3. The distribution box with a multi-stage heat dissipation structure according to claim 1, characterized in that: In an initial state, the shaped ball (9) is pressed by the pressing area (11), and the diameter of the shaped ball (9) is smaller than the width of the groove (13).

4. The distribution box with a multi-stage heat dissipation structure according to claim 1, characterized in that: The cooling fan (3) is driven by a motor, and three cooling fans (3) are provided.

5. The distribution box with a multi-stage heat dissipation structure according to claim 1, characterized in that: The side wall of the box body (1) is provided with a plurality of vertically distributed heat dissipation openings.

6. The distribution box with a multi-stage heat dissipation structure according to claim 1, characterized in that: A stopper (20) is fixedly arranged inside the hollow cylinder (5).

7. The distribution box with a multi-stage heat dissipation structure according to claim 6, characterized in that: The stopper (20) can limit the position of the plug post (12) after it enters the hollow cylinder (5), so that the special-shaped ball (9) and the groove (13) are at the same position.

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