Safety protection type power box

By designing limit components and a fan structure in the power supply box, the problem of incomplete switching structure in the power supply box is solved, achieving safety protection and cooling effects, and improving the safety and service life of the power supply box.

CN224068167UActive Publication Date: 2026-03-31HUNAN TIANYU AUTOMATION ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing power supply box does not fully consider the switch structure, which makes the power supply box easy to open, posing safety hazards and the risk of component loss.

Method used

A safety protection power supply box was designed, which adopts a limiting component and a fan structure. The locking of the limiting component and the cooperation between the fixing strip and the fixing plate ensure the tight connection of the movable door, and a fan is installed in the box to promote air circulation and cool down.

Benefits of technology

The power supply box is designed to be safe and protected, preventing accidental opening and extending its service life. It also features a cooling fan, which improves the safety and reliability of the power supply box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety protection type power box, which relates to the power box field, and comprises a box body, a movable door and a clamping frame, the inner bottom of the box body is provided with a fan, the two sides of the inner part of the box body are fixedly connected with second fixing frames, and a support frame is fixedly connected between the second fixing frames through bolts. And the movable door is rotationally connected to the front side of the box body. According to the safety protection type power box, the fan and the limiting assembly are arranged, in the use process of the power box, air in the power box can be promoted to flow, parts in the power box can be subjected to certain cooling treatment, large potential safety hazards caused by temperature rise in the power box are avoided, and the service life of the safety protection type power box is prolonged; and meanwhile, structural connection is tighter, the situation that the power box is accidentally opened in the subsequent use process is avoided, the power box has certain safety protection performance, and workers can conveniently use the safety protection type power box.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power box, concretely is a safe protection type power box. BACKGROUND

[0002] The power box is the closed or semi-closed metal cabinet of integrated switch device, measuring instrument, protection electric appliance and other components, bears the electric energy distribution, circuit control and safety protection function, is the core equipment for distributing electric energy, controlling circuit and guaranteeing power supply safety in the electric power system, and is widely used in industrial, civil and fire fighting fields.

[0003] However, the current power box still has some deficiencies, such as the safe protection type power box of application No. 202322511775.2, the switch structure of the power box is not fully considered, if the switch structure of the power box is not fully considered in the use process of the power box, the power box does not have safety protection, the power box can be easily opened, which may cause the damage or loss of the parts in the power box, and the use of the safe protection type power box is not convenient for the staff. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a safe protection type power box to solve the problems in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a safe protection type power box, including the box, the movable door and the clamping frame, the inner bottom of the box is provided with a fan, and the two sides in the box are fixedly connected with the second fixed frame, and the second fixed frame is fixedly connected with the support frame through the bolt between the second fixed frame, the movable door is rotatably connected to the front side of the box, the first fixed plate is welded on the upper and lower walls of the movable door, the second fixed plate is welded on the side wall of the box, the limit assembly is arranged on one side of the second fixed plate, the limit assembly comprises a hollow frame, a fixed strip, a limit piece, a return spring, a connecting plate and a mounting bolt, the clamping frame is fixedly connected to the rear side of the box, the rear side of the clamping frame is provided with a mounting plate, and the four sides of the mounting plate are provided with bolts.

[0006] Further, the side wall of the box is fixedly connected with the first fixed frame, the inner side of the first fixed frame is fixedly connected with the air deflector, and the air deflector is provided with a filter screen on one side.

[0007] Further, the upper and lower walls of the side wall of the movable door are welded with clamping strips, and the movable door is clamped and connected with the front side of the box through the clamping strips.

[0008] Further, the side surfaces of the hollow frame and the second fixed plate are welded with fixed strips, the fixed strips are rotatably connected through the damping pivot between the fixed strips, the inside of the hollow frame is provided with the limit piece, and the outside of the limit piece is provided with the return spring.

[0009] Furthermore, the reset spring is disposed between the hollow frame and the limiting member, and the top of the limiting member is welded to a connecting plate through the hollow frame. The connecting plate is in contact with the upper surface of the first fixing plate, and a mounting bolt is provided on one side of the inside of the connecting plate. The connecting plate is fixedly connected to the second fixing plate by the mounting bolt.

[0010] Furthermore, a movable cover is provided on the outer side of the limiting component, and the movable cover is engaged and slidably connected to the side wall of the box, and a first rotating component is rotatably connected to the top side of the movable cover.

[0011] Furthermore, a second rotating component is rotatably connected to one side of the bottom of the movable cover, and connecting blocks are welded to the surfaces of the first and second rotating components, and the connecting blocks are fixedly connected by bolts.

[0012] Furthermore, the surface of the mounting plate is welded with a snap-fit ​​component, and the mounting plate is snapped into and connected to the snap-fit ​​frame via the snap-fit ​​component.

[0013] This utility model provides a safety protection power supply box, which has the following beneficial effects:

[0014] 1. This utility model is equipped with a fan. During the use of the power supply box, the fan installed at the bottom of the box can promote air circulation inside the power supply box, cool down the internal components, avoid the internal temperature of the power supply box from rising and causing significant safety hazards, extend the service life of the safety protection power supply box, and facilitate the use of the protection power supply box by the staff.

[0015] 2. This utility model is equipped with a limit component. During the use of the power supply box, the connecting plate gradually rotates to the top of the first fixed plate and gradually contacts the upper surface of the first fixed plate under the elastic force of the return spring. Then, the connecting plate and the second fixed plate are fixed with bolts, thereby completing the fixation of the movable door. This makes the structural connection tighter and avoids accidental opening during the subsequent use of the power supply box. This gives the power supply box a certain degree of safety protection and makes it convenient for staff to use the safety protection power supply box. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the appearance of a safety protection power supply box according to the present invention;

[0017] Figure 2 This is a three-dimensional unfolded structural diagram of a safety protection power supply box according to the present invention.

[0018] Figure 3 This utility model relates to a safety protection type power supply box. Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0019] Figure 4 This is a three-dimensional rear view structural disassembly diagram of a safety protection power supply box according to this utility model.

[0020] In the diagram: 1. Housing; 2. Fan; 3. First fixed frame; 4. Air guide plate; 5. Second fixed frame; 6. Support frame; 7. Movable door; 8. Locking strip; 9. First fixed plate; 10. Second fixed plate; 11. Limiting component; 1101. Hollow frame; 1102. Fixed strip; 1103. Limiting component; 1104. Return spring; 1105. Connecting plate; 1106. Mounting bolt; 12. Movable cover; 13. First rotating component; 14. Second rotating component; 15. Connecting block; 16. Locking frame; 17. Mounting plate; 18. Locking component. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] like Figures 1-4 As shown, a safety protection power box includes a box body 1, a movable door 7, and a locking frame 16. A fan 2 is installed at the bottom of the box body 1. A first fixing frame 3 is fixedly connected to the side wall of the box body 1, and an air guide plate 4 is fixedly connected to the inner side of the first fixing frame 3. A filter screen is installed on one side of the air guide plate 4. A second fixing frame 5 is fixedly connected to both sides of the inside of the box body 1, and a support frame 6 is fixedly connected between the second fixing frames 5 by bolts.

[0023] The specific operation is as follows: the support frame 6 is fixedly connected between the second fixed frame 5 by bolts, and the staff can use the bolts to install the power box components on the support frame 6. In the subsequent operation of the power box, the fan 2 set at the bottom of the box 1 can promote the air flow in the box 1 and cool down the internal components of the power box, making it convenient for the staff to use the protective power box.

[0024] like Figure 1 , Figure 2 and Figure 4As shown, the movable door 7 is rotatably connected to the front side of the housing 1. The upper and lower side walls of the movable door 7 are welded with locking strips 8, and the movable door 7 is engaged with the front side of the housing 1 via the locking strips 8. The upper and lower side walls of the movable door 7 are welded with first fixing plates 9, and the upper and lower side walls of the housing 1 are welded with second fixing plates 10. A limit assembly 11 is provided on one side of the second fixing plate 10. The limit assembly 11 includes a hollow frame 1101, a fixing strip 1102, a limit member 1103, and a return spring 1. 104. Connecting plate 1105 and mounting bolt 1106. Fixing strips 1102 are welded to the sides of hollow frame 1101 and the second fixing plate 10. The fixing strips 1102 are rotatably connected by a damping shaft. A limiting member 1103 is provided inside the hollow frame 1101, and a return spring 1104 is provided on the outside of the limiting member 1103. The return spring 1104 is located between the hollow frame 1101 and the limiting member 1103, and the top end of the limiting member 1103 passes through it. A connecting plate 1105 is welded to the hollow frame 1101, and the connecting plate 1105 contacts the upper surface of the first fixed plate 9. A mounting bolt 1106 is provided on one side of the inner side of the connecting plate 1105, and the connecting plate 1105 is fixedly connected to the second fixed plate 10 via the mounting bolt 1106. A movable cover 12 is provided on the outer side of the limiting assembly 11, and the movable cover 12 is engaged and slidably connected to the side wall of the housing 1. A first rotating component 13 is rotatably connected to the top side of the movable cover 12. The bottom side of the movable cover 12 is rotatably connected to a second rotating component 14, and the surfaces of the first rotating component 13 and the second rotating component 14 are welded with connecting blocks 15, and the connecting blocks 15 are fixedly connected to each other by bolts. The locking frame 16 is fixedly connected to the rear side of the box 1, and the rear side of the locking frame 16 is provided with a mounting plate 17, and bolts are provided on the four sides of the mounting plate 17. The surface of the mounting plate 17 is welded with locking components 18, and the mounting plate 17 is locked and connected to the locking frame 16 through the locking components 18.

[0025] The specific operation is as follows: After the staff has installed the internal components of the power supply box, the movable door 7 is rotated, causing the locking strips 8 welded to the upper and lower sides of the movable door 7 to engage with the front side of the box body 1. This causes the first fixing plate 9 welded to the side wall of the movable door 7 to gradually rotate above the second fixing plate 10 welded to the side wall of the box body 1. Then, the staff pulls the connecting plate 1105 in the limiting assembly 11 to one side, causing the limiting member 1103 connected to the connecting plate 1105 to gradually extend from the interior of the hollow frame 1101, and causing the return spring 1104 on the outside of the limiting member 1103 to be compressed. Simultaneously, the staff rotates the hollow frame 1101, causing the connecting plate 1105 to gradually rotate above the first fixing plate 9. Then, the pulling of the connecting plate 1105 is released, causing the connecting plate 1105 to gradually engage with the second fixing plate 9 under the elastic force of the return spring 1104. The upper surface of the fixed plate 9 is contacted. Then, the connecting plate 1105 and the second fixed plate 10 are fixed together using the mounting bolts 1106, thereby completing the fixing of the movable door 7. After that, the operator slides the movable cover 12 that slides on the side wall of the box 1, so that the movable cover 12 moves to the outside of the limiting component 11. Then, the first rotating part 13 and the second rotating part 14 that are rotatably connected to the movable cover 12 are rotated, and the connecting block 15 welded to the surface of the first rotating part 13 and the second rotating part 14 is fixed together using bolts to prevent the protective power box from being accidentally opened. Finally, the operator fixes the mounting plate 17 with bolts and fixes the locking frame 16 fixedly connected to the rear side of the box 1 to the locking part 18 welded to the surface of the mounting plate 17, thereby completing the installation of the protective power box and facilitating the use of the protective power box by the operator.

[0026] In summary, this safety-protected power supply box, according to Figures 1-4In the structure shown, during the use of the power supply box, firstly, the support frame 6 is fixedly connected to the second fixed frame 5 by bolts, and the operator can use the bolts to install the power supply box components on top of the support frame 6. During subsequent operation of the power supply box, the fan 2 installed at the bottom of the box 1 promotes airflow inside the box 1, providing some cooling for the internal components. After the internal components are installed, the operator rotates the movable door 7, causing the locking strips 8 welded to the upper and lower sides of the movable door 7 to engage with the front side of the box 1, and causing the first fixed plate 9 welded to the side wall of the movable door 7 to gradually rotate above the second fixed plate 10 welded to the side wall of the box 1. Then, the operator pulls the connecting plate 1105 in the limiting assembly 11 to one side, causing the limiting member 1103 connected to the connecting plate 1105 to gradually extend from the inside of the hollow frame 1101, and causing the return spring 1104 on the outside of the limiting member 1103 to be compressed. At the same time, the operator rotates the hollow frame 1101, causing the connecting plate 110... 5. Gradually rotate to the top of the first fixed plate 9, then release the pull on the connecting plate 1105, so that the connecting plate 1105 gradually contacts the upper surface of the first fixed plate 9 under the elastic force of the return spring 1104. Next, use the mounting bolt 1106 to fix the connecting plate 1105 and the second fixed plate 10, thereby completing the fixation of the movable door 7. After that, the operator slides the movable cover 12 that slides on the side wall of the box 1, so that the movable cover 12 moves to the outside of the limiting component 11. Then, rotate the first rotating part 13 and the second rotating part 14 that are rotatably connected to the movable cover 12, and use bolts to fix the connecting block 15 welded to the surface of the first rotating part 13 and the second rotating part 14 to prevent the protective power box from being accidentally opened. Finally, the operator uses bolts to fix the mounting plate 17, and fixes the locking frame 16 fixedly connected to the rear side of the box 1 to the locking part 18 welded to the surface of the mounting plate 17, thereby completing the installation of the protective power box and facilitating the use of the protective power box by the operator.

[0027] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A safety guard type power box comprising a box body (1), a movable door (7) and a clamping frame (16), characterized in that, The inner bottom of the box (1) is provided with a fan (2), and the two sides of the inside of the box (1) are fixedly connected with second fixed frames (5), and the second fixed frames (5) are fixedly connected with support frames (6) through bolts, the movable door (7) is rotatably connected to the front side of the box (1), the side upper and lower walls of the movable door (7) are welded with first fixed plates (9), the side walls of the box (1) are welded with second fixed plates (10), one side of the second fixed plates (10) is provided with a limiting assembly (11), the limiting assembly (11) comprises a hollow frame (1101), a fixed strip (1102), a limiting piece (1103), a return spring (1104), a connecting plate (1105) and a mounting bolt (1106), the clamping frame (16) is fixedly connected to the rear side of the box (1), the rear side of the clamping frame (16) is provided with a mounting plate (17), and the four sides of the mounting plate (17) are provided with bolts.

2. A safety shielded power enclosure according to claim 1, wherein, The side wall of the box (1) is fixedly connected with a first fixed frame (3), the inner side of the first fixed frame (3) is fixedly connected with a guide vane (4), and one side of the guide vane (4) is provided with a filter screen.

3. The safety shielded power enclosure of claim 1, wherein, The side walls of the movable door (7) are welded with clamping strips (8) upward and downward, and the movable door (7) is clamped and connected with the front side of the box (1) through the clamping strips (8).

4. The safety shielded power enclosure of claim 1, wherein, The side surfaces of the hollow frame (1101) and the second fixed plate (10) are welded with fixed strips (1102), the fixed strips (1102) are rotatably connected through damping rotating shafts, the inside of the hollow frame (1101) is provided with a limiting piece (1103), and the outside of the limiting piece (1103) is provided with a return spring (1104).

5. The safety shielded power enclosure of claim 1, wherein, The return spring (1104) is arranged between the hollow frame (1101) and the limiting piece (1103), the top end of the limiting piece (1103) penetrates through the hollow frame (1101) and is welded with a connecting plate (1105), the connecting plate (1105) is in contact with the upper surface of the first fixed plate (9), the inside of the connecting plate (1105) is provided with a mounting bolt (1106), and the connecting plate (1105) is fixedly connected with the second fixed plate (10) through the mounting bolt (1106).

6. The safety shielded power enclosure of claim 1, wherein, The outside of the limiting assembly (11) is provided with a movable cover (12), the movable cover (12) is clamped and slidably connected with the side wall of the box (1), and the top side of the movable cover (12) is rotatably connected with a first rotating piece (13).

7. A safety shielded electrical enclosure according to claim 6, wherein, The bottom side of the movable cover (12) is rotatably connected with a second rotating piece (14), the surfaces of the first rotating piece (13) and the second rotating piece (14) are welded with connecting blocks (15), and the connecting blocks (15) are fixedly connected through bolts.

8. The safety shielded electrical enclosure of claim 1, wherein, The surface of the mounting plate (17) is welded with a clamping piece (18), and the mounting plate (17) is clamped and connected with the clamping frame (16) through the clamping piece (18).

Citation Information

Patent Citations

  • Safety protection type power box

    CN220822277U