Power distribution box built-in safety door capable of preventing electric shock

Abstract

The utility model belongs to the field of distribution boxes, particularly relates to an electric shock prevention built-in safety door of a distribution box, and aims to solve the problem that electric shock risks exist due to the fact that existing electric devices and wires are usually directly exposed in a mounting cavity and workers are easy to contact with the live parts during daily operation or maintenance. Comprising a distribution box body, a mounting cavity is formed in one side of the distribution box body, a sealing door plate is hinged to one side of the distribution box body, a safety door plate is slidably connected to the inner wall of the mounting cavity, and two strip-shaped holes are symmetrically formed in the safety door plate; according to the utility model, through dual protection of the sealing door plate and the safety door plate, even if the distribution box main body is opened, electric devices and leads are not directly exposed, only the switch handle can be operated, and the risk of electric shock of workers is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of distribution box technology, and in particular to a built-in safety door in a distribution box to prevent electric shock. Background Technology

[0002] In traditional distribution box designs, electrical components and wires are typically exposed directly within the mounting cavity. Workers are easily exposed to these live parts during routine operations or maintenance, posing a risk of electric shock. While some distribution boxes are equipped with sealed doors, these doors often provide only basic protection and cannot effectively prevent electric shock under specific operating conditions. Furthermore, accessing internal electrical components for maintenance or inspection usually requires complex unlocking procedures, which not only reduces work efficiency but may also lead to safety issues due to improper operation.

[0003] Therefore, there is an urgent market need for a distribution box design that can both protect workers from the risk of electric shock and facilitate quick and safe access to the electrical components inside the distribution box when necessary. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies where electrical components and wires are typically directly exposed inside the installation cavity, posing a risk of electric shock to workers who may come into contact with these live parts during routine operations or maintenance. This invention proposes a safety door built into the distribution box to prevent electric shock.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A distribution box with a built-in safety door for preventing electric shock includes a distribution box body, an installation cavity on one side of the distribution box body, a sealing door panel hinged to one side of the distribution box body, a safety door panel slidably connected to the inner wall of the installation cavity, two symmetrically arranged strip holes inside the safety door panel, two symmetrically arranged insertion holes on one side of the safety door panel, a retaining plate slidably connected inside the insertion holes, and a fixing component for fixing the safety door panel at one end of the retaining plate;

[0007] The safety door panel has multiple rectangular cavities inside, each of which is located on one side of the insertion hole and connected to the insertion hole. The rectangular cavities are equipped with braking components for braking the card plate.

[0008] In one possible design, the fixing component includes a second spring fixedly connected to one end of the card plate, one end of the second spring being fixedly connected to the inner wall of one side of the insertion hole, and two symmetrically arranged slots being opened on one side of the inner wall of the mounting cavity, the slots engaging with the second spring.

[0009] In one possible design, the braking assembly includes a sliding plate slidably connected inside a rectangular cavity, a positioning rod fixedly connected to one side of the sliding plate, a plurality of positioning grooves being formed on one side of the locking plate, the positioning grooves engaging with the positioning rods, and a first spring fixedly connected between one side of the sliding plate and one side of the inner wall of the rectangular cavity.

[0010] In one possible design, a crossbar is fixedly connected to one side of the sliding plate, and a communicating transverse groove is formed on one side of the inner wall of the rectangular cavity. One end of the crossbar slides through the transverse groove and is fixedly connected to a push plate.

[0011] In one possible design, the safety door panel has two symmetrically arranged horizontal holes on one side, which are connected to the insertion holes. A sliding block is slidably connected inside the horizontal hole, and the same connecting plate is fixedly connected to one side of the two sliding blocks.

[0012] In one possible design, the bottom inner wall of the mounting cavity has multiple ventilation holes, a sealing frame is fixedly connected to one side of the main body of the distribution box, and a groove is provided on one side of the sealing door panel.

[0013] In this application, the groove can be used to quickly open the sealed door panel during use. At this time, the electrical components and wires inside the main body of the distribution box will not be exposed, only multiple switch handles will be exposed for operation. This can prevent electric shock to the staff during normal use and improve the safety performance of the device.

[0014] At the same time, when it is necessary to contact the internal electrical components, all switch handles need to be adjusted to the closed state. At this time, the switch handle pushes the corresponding push plate to move vertically downward, the push plate pushes the crossbar to move vertically downward, the crossbar drives the sliding plate to move vertically downward, the sliding plate squeezes the first spring and drives the positioning rod to move out of the positioning groove. When all the positioning rods have moved out of the positioning groove, the braking state of the card plate can be released.

[0015] At this point, the connecting plate can be pushed horizontally, causing the two clamping plates to move horizontally. The clamping plates squeeze the second spring and enter the interior of the insertion hole, thereby causing one end of the clamping plate to move out of the slot. At this point, the braking state of the safety door plate can be released. After the safety door plate is moved out of the installation cavity, the internal electrical components can be operated, further improving the safety performance of the device.

[0016] Beneficial effects: Improved safety performance: With the double protection of the sealed door panel and the safety door panel, even when the main body of the distribution box is opened, the electrical components and wires will not be directly exposed. Only the switch handle can be operated, which greatly reduces the risk of electric shock to the staff.

[0017] Facilitates safe access: When it is necessary to access the internal electrical components, simply adjust all switch handles to the closed position, and then unlock the safety door panel through a simple mechanical linkage mechanism (such as a push plate, crossbar, sliding plate, etc.). There is no need for complicated unlocking steps, which improves work efficiency and ease of operation.

[0018] Compact structure and easy maintenance: The design of this application adopts modular components, such as clamping plates, second springs, positioning rods, etc. These components are not only easy to install and disassemble, but also easy to maintain and replace in daily life, reducing maintenance costs.

[0019] Ventilation and heat dissipation: By setting ventilation holes at the bottom of the mounting cavity, good ventilation is ensured inside the distribution box, which helps to dissipate heat and extend the service life of electrical components. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of a safety door built into a distribution box to prevent electric shock, as proposed in this utility model.

[0021] Figure 2 This is a three-dimensional structural diagram of the main body of a distribution box with a built-in safety door for preventing electric shock, as proposed in this utility model.

[0022] Figure 3 This is a three-dimensional structural diagram of the safety door panel inside a distribution box for preventing electric shock, as proposed in this utility model.

[0023] Figure 4 This is a three-dimensional cross-sectional view of a safety door panel within a built-in safety door of a distribution box for preventing electric shock, as proposed in this utility model.

[0024] Figure 5 This is an exploded structural diagram of the safety door panel and the locking plate in the built-in safety door of a distribution box for preventing electric shock, as proposed in this utility model.

[0025] In the diagram: 1. Main body of the distribution box; 2. Sealing frame; 3. Sealing door panel; 4. Groove; 5. Switch handle; 6. Connecting plate; 7. Safety door panel; 8. Slot; 9. Mounting cavity; 10. Ventilation hole; 11. Strip hole; 12. Horizontal hole; 13. Card plate; 14. Push plate; 15. Crossbar; 16. Positioning rod; 17. Sliding plate; 18. First spring; 19. Rectangular cavity; 20. Second spring; 21. Positioning groove; 22. Horizontal groove; 23. Socket. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Example 1; Refer to Figure 1-5 A safety door built into a distribution box for preventing electric shock, used in the field of distribution boxes, includes: a distribution box body 1, a mounting cavity 9 on one side of the distribution box body 1, a sealing door panel 3 hinged to one side of the distribution box body 1, a safety door panel 7 slidably connected to the inner wall of the mounting cavity 9, two symmetrically arranged strip holes 11 inside the safety door panel 7, two symmetrically arranged insertion holes 23 on one side of the safety door panel 7, a retaining plate 13 slidably connected inside the insertion holes 23, and a fixing component for fixing the safety door panel 7 at one end of the retaining plate 13, the fixing component including a second spring fixedly connected to one end of the retaining plate 13. Spring 20, one end of the second spring 20 is fixedly connected to the inner wall of one side of the insertion hole 23. Two symmetrically arranged slots 8 are opened on one side of the inner wall of the mounting cavity 9. The slots 8 are engaged with the second spring 20. At this time, the connecting plate 6 can be pushed laterally. The connecting plate 6 drives the two locking plates 13 to move laterally. The locking plates 13 squeeze the second spring 20 and enter the interior of the insertion hole 23, thereby causing one end of the locking plate 13 to move out from the interior of the slot 8. At this time, the braking state of the safety door plate 7 can be released. After the safety door plate 7 is moved out from the interior of the mounting cavity 9, the internal electrical components can be operated, further improving the safety performance of the device.

[0028] The safety door panel 7 has multiple rectangular cavities 19 inside, all located on one side of the insertion hole 23 and connected to it. Each rectangular cavity 19 contains a braking assembly for braking the locking plate 13. The braking assembly includes a sliding plate 17 slidably connected inside the rectangular cavity 19, a positioning rod 16 fixedly connected to one side of the sliding plate 17, and multiple positioning grooves 21 on one side of the locking plate 13 engaging with the positioning rod 16. A first spring 18 is fixedly connected between one side of the sliding plate 17 and one inner wall of the rectangular cavity 19. A crossbar 15 is fixedly connected to one side of the sliding plate 17. A transverse groove 22 is provided on one side of the inner wall of 19. One end of the crossbar 15 slides through the transverse groove 22 and is fixedly connected to the push plate 14. At the same time, when it is necessary to contact the internal electrical components, all the switch handles 5 need to be adjusted to the closed state. At this time, the switch handle 5 pushes the corresponding push plate 14 to move vertically downward. The push plate 14 pushes the crossbar 15 to move vertically downward. The crossbar 15 drives the sliding plate 17 to move vertically downward. The sliding plate 17 squeezes the first spring 18 and drives the positioning rod 16 to move out of the inside of the positioning groove 21. When all the positioning rods 16 have moved out of the inside of the positioning groove 21, the braking state of the clamping plate 13 can be released.

[0029] Example 2; Reference Figure 1-5Improvements based on Embodiment 1: Two symmetrically arranged horizontal holes 12 are provided on one side of the safety door panel 7. The horizontal holes 12 are connected to the insertion holes 23. Sliding blocks are slidably connected inside the horizontal holes 12. The same connecting plate 6 is fixedly connected to one side of the two sliding blocks. Multiple ventilation holes 10 are provided on the bottom inner wall of the mounting cavity 9. A sealing frame 2 is fixedly connected to one side of the distribution box body 1. A groove 4 is provided on one side of the sealing door panel 3. The sealing door panel 3 can be quickly opened using the groove 4. At this time, the electrical components and wires inside the distribution box body 1 will not be exposed. Only multiple switch handles 5 are exposed for operation, which can prevent electric shock to the staff during normal use and improve the safety performance of the device.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A distribution box with a built-in safety door for preventing electric shock, characterized in that, include: The main body of the distribution box (1) has an installation cavity (9) on one side. A sealing door plate (3) is hinged to one side of the main body of the distribution box (1). A safety door plate (7) is slidably connected to the inner wall of the installation cavity (9). Two symmetrically arranged strip holes (11) are opened inside the safety door plate (7). Two symmetrically arranged insertion holes (23) are opened on one side of the safety door plate (7). A card plate (13) is slidably connected inside the insertion hole (23). A fixing component for fixing the safety door plate (7) is provided at one end of the card plate (13). The safety door panel (7) has multiple rectangular cavities (19) inside. The multiple rectangular cavities (19) are all located on one side of the socket (23) and are connected to the socket (23). The rectangular cavities (19) are provided with braking components for braking the card plate (13).

2. A safety door built into a distribution box for preventing electric shock according to claim 1, characterized in that, The fixing component includes a second spring (20) fixedly connected to one end of the card plate (13). One end of the second spring (20) is fixedly connected to the inner wall of one side of the insertion hole (23). Two symmetrically arranged slots (8) are opened on one side of the inner wall of the mounting cavity (9). The slots (8) are engaged with the second spring (20).

3. A safety door built into a distribution box for preventing electric shock according to claim 1, characterized in that, The braking assembly includes a sliding plate (17) slidably connected inside a rectangular cavity (19). A positioning rod (16) is fixedly connected to one side of the sliding plate (17). A plurality of positioning grooves (21) are provided on one side of the clamping plate (13). The positioning grooves (21) engage with the positioning rods (16). A first spring (18) is fixedly connected between one side of the sliding plate (17) and one side of the inner wall of the rectangular cavity (19).

4. A safety door built into a distribution box for preventing electric shock according to claim 3, characterized in that, A crossbar (15) is fixedly connected to one side of the sliding plate (17), and a connected transverse groove (22) is opened on one side of the inner wall of the rectangular cavity (19). One end of the crossbar (15) slides through the transverse groove (22) and is fixedly connected to a push plate (14).

5. A safety door built into a distribution box for preventing electric shock according to claim 1, characterized in that, The safety door panel (7) has two symmetrically arranged horizontal holes (12) on one side. The horizontal holes (12) are connected to the insertion holes (23). A sliding block is slidably connected inside the horizontal holes (12). The same connecting plate (6) is fixedly connected to one side of the two sliding blocks.

6. A safety door built into a distribution box for preventing electric shock according to claim 1, characterized in that, The bottom inner wall of the mounting cavity (9) is provided with multiple ventilation holes (10).

7. A safety door built into a distribution box for preventing electric shock according to claim 1, characterized in that, A sealing frame (2) is fixedly connected to one side of the main body (1) of the distribution box.

8. A safety door built into a distribution box for preventing electric shock according to claim 1, characterized in that, A groove (4) is provided on one side of the sealing door panel (3).

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