A grounding protection mechanism for a power distribution cabinet

By designing a grounding protection mechanism combining copper plugs, sliding blocks, sliders and other components in the distribution cabinet, the problem of poor stability of the existing distribution cabinet grounding protection device is solved, and higher stability and safety are achieved.

CN222735576UActive Publication Date: 2025-04-08TIANJIN BAONENG ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202421270861.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-04-08
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The grounding protection devices of existing distribution cabinets are very easy to loosen and have poor stability, making it difficult to effectively prevent safety hazards caused by loosening during use of the distribution cabinets.

Method used

A grounding protection mechanism for the distribution cabinet is designed, and a combination structure of copper insert blocks, sliding blocks, slide bars, vertical plates, oblique holes, vertical rods, copper horizontal plates, fixed plates, threaded rods and hexagonal holes is designed. Through the mutual cooperation of these components, it is ensured that the cylinder is not easy to loosen and pull out after being buried underground.

Benefits of technology

Through the design of the grounding protection mechanism, the cylinder is more stable after being buried underground, and is not easy to shake or be pulled out, which significantly improves the stability of the grounding protection mechanism and ensures the safety of the distribution cabinet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of power distribution cabinets, and discloses a grounding protection mechanism of a power distribution cabinet, including a cylinder, a cone fixedly connected to the bottom of the cylinder, square holes opened on both sides of the bottom of the inner side of the cylinder, copper plugs slidably connected to the two square holes, sliding blocks fixedly connected to the ends of the tops of the two copper plugs close to each other, a sliding rod slidably sleeved on the two sliding blocks on the same side, circular holes adapted to the sliding rods opened on the four sliding blocks, both ends of the two sliding rods fixedly connected to the two sides of the inner wall of the cylinder, vertical plates fixedly connected to the tops of the two copper plugs, and oblique holes opened on the two vertical plates. The utility model realizes that after the cylinder is buried underground, under the action of two extended through plugs, the cylinder is very stable, not easy to shake, not easy to be pulled out, and the technical effect of improving the stability of the grounding protection mechanism is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a grounding protection mechanism of a power distribution cabinet. Background Art

[0002] A distribution box is an electrical device used to distribute power to different electrical equipment. It usually includes circuit breakers, fuses, contactors and other protective devices. The distribution box is designed with full consideration of safety and reliability. It can effectively protect electrical equipment from overload, short circuit and other faults, and ensure the normal operation of the power system.

[0003] When the distribution box is in use, it is generally necessary to carry out grounding protection to prevent users from electric shock. The existing grounding protection device generally buries the metal pole in the soil, and then uses a wire to connect the metal pole to the distribution box casing to achieve the protection effect. However, since the metal pole is generally rod-shaped, it is easy to loosen when buried vertically underground, and the stability is poor. For this reason, a grounding protection mechanism for the distribution cabinet is designed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a grounding protection mechanism for a power distribution cabinet.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A grounding protection mechanism for a power distribution cabinet comprises a cylinder, a cone is fixedly connected to the bottom of the cylinder, square holes are provided on both sides of the bottom inner side of the cylinder, copper plugs are slidably connected to the two square holes, sliding blocks are fixedly connected to the ends of the two copper plugs that are close to each other, the same sliding rod is slidably sleeved on the two sliding blocks on the same side, circular holes matching the sliding rods are provided on the four sliding blocks, both ends of the two sliding rods are fixedly connected to the two sides of the inner wall of the cylinder, vertical plates are fixedly connected to the tops of the two copper plugs, and inclined holes are provided on the two vertical plates.

[0007] As a further solution of the utility model, a fixing plate is fixedly connected to the middle part of one side of the inner wall of the cylinder, a threaded rod is threaded through the other end of the fixing plate, a threaded hole matching the threaded rod is opened on the top of the fixing plate, a copper cross plate is rotatably connected to the bottom of the threaded rod, and a hexagonal hole is opened on the top of the threaded rod.

[0008] As a further solution of the utility model, two vertical rods are fixedly connected to both ends of the bottom of the copper horizontal plate, a sliding rod is fixedly connected between the bottoms of the two vertical rods on the same side, and the two sliding rods on the same side are slidably connected in adjacent inclined holes.

[0009] As a further solution of the utility model, an L-shaped plate is fixedly connected to one side of the inner wall of the cylinder, a rectangular hole is provided at the top of the L-shaped plate, a lifting block is slidably connected in the rectangular hole, a round rod is fixedly connected between the top and the bottom of the rectangular hole, and the round rod slides through the lifting block, a round hole matching the round rod is provided on the lifting block, the round rod is located at the top of the lifting block and is sleeved with a spring, the setting of the spring makes the ground wire have a buffering effect, and it is not easy to break when being pulled.

[0010] As a further solution of the utility model, a first fixing block is screwed to one end of the lifting block away from the L-shaped plate through bolts, and a first slot is provided in the middle of the bottom of the first fixing block.

[0011] As a further solution of the utility model, a second fixing block is screwed to the bottom of the L-shaped plate by bolts, and a second slot is opened in the middle position of the bottom of the second fixing block. The second fixing block is arranged to fix the ground wire so that the connection between the ground wire and the copper horizontal plate will not be disconnected.

[0012] As a further solution of the utility model, a top cover is screwed onto the top of the cylinder by bolts, and handles are fixedly connected to both sides of the top of the top cover. The setting of the handles makes it easy to pull out the cylinder for maintenance, and a round hole compatible with the threaded rod is opened in the middle position of the top of the top cover.

[0013] The beneficial effects of the utility model are:

[0014] The utility model adopts the technical means of copper plug blocks, sliding blocks, sliding rods, vertical plates, inclined holes, vertical rods, copper horizontal plates, fixed plates, threaded rods and hexagonal holes to bury the cylinder underground. The cone makes the cylinder more stable when inserted into the pit. Then a tool is used to rotate the threaded rod through the hexagonal hole, so that the threaded rod rises along the fixed plate, and the copper horizontal plate and four vertical rods are brought up. Under the action of the sliding rod, the two copper plug blocks approach each other, extend out of the square holes, and are inserted into the soil, so that the cylinder is not easy to be pulled out and loosened, which effectively solves the problems raised in the background technology, and then realizes that after the cylinder is buried underground, under the action of the two extended through plug blocks, it is very stable, the cylinder is not easy to shake, and it is not easy to be pulled out, thereby improving the technical effect of the stability of the grounding protection mechanism.

[0015] The utility model: through the arrangement of an L-shaped plate, a rectangular hole, a round rod, a spring, a lifting block, a first fixed block and a second fixed block, the ground wire of the distribution cabinet is fixedly connected to the copper cross plate by bolts, and the end close to the copper cross plate is fixed to the bottom of the L-shaped plate by the second fixed block, and at the same time, the lifting block is fixed to the lifting block at the middle of the ground wire by the first fixed block, and the ground wire between the first fixed block and the second fixed block has a sufficient length. When the ground wire is subjected to tension, the lifting block rises and compresses the spring for buffering, so that the connection between the ground wire and the copper cross plate is not easy to be disconnected, and the first fixed block and the second fixed block make the ground wire more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a grounding protection mechanism of a power distribution cabinet proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional structure diagram of a cylinder of a grounding protection mechanism of a power distribution cabinet proposed by the utility model;

[0018] Figure 3 The utility model is a schematic diagram of the partial structure inside the cylinder of the grounding protection mechanism of the power distribution cabinet.

[0019] In the figure: 1, cylinder; 101, square hole; 2, cone; 3, top cover; 4, handle; 5, copper plug; 6, sliding block; 7, sliding rod; 8, vertical plate; 9, inclined hole; 10, vertical rod; 11, copper horizontal plate; 12, fixed plate; 13, threaded rod; 14, hexagonal hole; 15, L-shaped plate; 16, rectangular hole; 17, round rod; 18, spring; 19, lifting block; 20, first fixed block; 21, second fixed block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] Reference Figure 1-Figure 3A grounding protection mechanism for a power distribution cabinet comprises a cylinder 1, a cone 2 is fixedly connected to the bottom of the cylinder 1, square holes 101 are provided on both sides of the inner bottom of the cylinder 1, copper plugs 5 are slidably connected to the two square holes 101, sliding blocks 6 are fixedly connected to the ends of the tops of the two copper plugs 5 that are close to each other, the same sliding rod 7 is slidably sleeved on the two sliding blocks 6 on the same side, and round holes matching the sliding rod 7 are provided on the four sliding blocks 6, both ends of the two sliding rods 7 are fixedly connected to the two sides of the inner wall of the cylinder 1, vertical plates 8 are fixedly connected to the tops of the two copper plugs 5, and oblique holes 9 are provided on the two vertical plates 8, so that the two copper plugs 5 are kept away from each other and inserted into the soil through the square holes 101, so that the cylinder 1 is more stable.

[0023] In this embodiment, a fixing plate 12 is fixedly connected to the middle part of one side of the inner wall of the cylinder 1, a threaded rod 13 is threadedly penetrated on the other end of the fixing plate 12, a threaded hole matched with the threaded rod 13 is opened on the top of the fixing plate 12, a copper cross plate 11 is rotatably connected to the bottom of the threaded rod 13, and a hexagonal hole 14 is opened on the top of the threaded rod 13. The setting of the hexagonal hole 14 facilitates the rotation of the threaded rod 13.

[0024] In this embodiment, two vertical rods 10 are fixedly connected to both ends of the bottom of the copper horizontal plate 11, and a sliding rod is fixedly connected between the bottoms of the two vertical rods 10 on the same side. The two sliding rods on the same side are slidably connected in the adjacent inclined holes 9.

[0025] In this embodiment, an L-shaped plate 15 is fixedly connected to one side of the inner wall of the cylinder 1, a rectangular hole 16 is opened at the top of the L-shaped plate 15, a lifting block 19 is slidably connected in the rectangular hole 16, a round rod 17 is fixedly connected between the top and the bottom of the rectangular hole 16, and the round rod 17 slides through the lifting block 19, a round hole matching the round rod 17 is opened on the lifting block 19, and the round rod 17 is located at the top of the lifting block 19 and is sleeved with a spring 18.

[0026] In this embodiment, a first fixing block 20 is screwed to the end of the lifting block 19 away from the L-shaped plate 15 through bolts. A first slot is provided in the middle of the bottom of the first fixing block 20. The setting of the first fixing block 20 has a buffering effect when the ground wire is pulled.

[0027] In this embodiment, a second fixing block 21 is screwed to the bottom of the L-shaped plate 15 by bolts, and a second slot is opened in the middle of the bottom of the second fixing block 21. The second fixing block 21 is arranged so that the ground wire will not be disconnected from the copper horizontal plate 11 when it is pulled.

[0028] In this embodiment, a top cover 3 is screwed to the top of the cylinder 1 by bolts, and handles 4 are fixedly connected to both sides of the top of the top cover 3. The setting of the handles 4 makes it easy to pull out the cylinder 1 for maintenance. A round hole that is compatible with the threaded rod 13 is opened in the middle position of the top of the top cover 3.

[0029] Working principle: The grounding protection mechanism of this distribution cabinet, the copper horizontal plate 11, the vertical rod 10 and the copper plug block 5 are all made of copper material. When in use, the ground wire of the distribution cabinet is fixedly connected to the copper horizontal plate 11 by bolts, and the end close to the copper horizontal plate 11 is fixed to the bottom of the L-shaped plate 15 through the second fixing block 21. At the same time, the middle part of the ground wire is fixed to the lifting block 19 through the first fixing block 20, and the ground wire between the first fixing block 20 and the second fixing block 21 has enough length. When the cylinder 1 is buried underground and the cylinder 1 is inserted into the pit through the cone 2, The cylinder 1 is more stable, and then a tool is used to rotate the threaded rod 13 through the hexagonal hole 14, so that the threaded rod 13 rises along the fixed plate 12, and the copper horizontal plate 11 and the four vertical rods 10 are brought up. Under the action of the sliding rod, the two copper plug blocks 5 are close to each other, extend out of the square hole 101, and are inserted into the soil, so that the cylinder 1 is not easily pulled out and loosened. When the ground wire is subjected to tension, the lifting block 19 rises and compresses the spring 18 for buffering, so that the connection between the ground wire and the copper horizontal plate 11 is not easy to be disconnected. The first fixed block 20 and the second fixed block 21 make the ground wire more stable.

[0030] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A grounding protection mechanism for a power distribution cabinet, comprising a cylinder (1), characterized in that: The bottom of the cylinder (1) is fixedly connected to a cone (2), and both sides of the bottom of the inner side of the cylinder (1) are provided with square holes (101), and copper plugs (5) are slidably connected in the two square holes (101), and the ends of the tops of the two copper plugs (5) that are close to each other are fixedly connected to sliding blocks (6), and the same sliding rod (7) is slidably sleeved on the two sliding blocks (6) on the same side, and circular holes matching the sliding rod (7) are provided on the four sliding blocks (6), and both ends of the two sliding rods (7) are fixedly connected to the two sides of the inner wall of the cylinder (1), and the tops of the two copper plugs (5) are fixedly connected to vertical plates (8), and the two vertical plates (8) are provided with inclined holes (9).

2. The grounding protection mechanism of the power distribution cabinet according to claim 1, characterized in that: A fixing plate (12) is fixedly connected to the middle of one side of the inner wall of the cylinder (1), a threaded rod (13) is threadedly penetrated on the other end of the fixing plate (12), a threaded hole matched with the threaded rod (13) is provided on the top of the fixing plate (12), a copper horizontal plate (11) is rotatably connected to the bottom of the threaded rod (13), and a hexagonal hole (14) is provided on the top of the threaded rod (13).

3. The grounding protection mechanism of the power distribution cabinet according to claim 2, characterized in that: Two vertical rods (10) are fixedly connected at both ends of the bottom of the copper horizontal plate (11), and a sliding rod is fixedly connected between the bottoms of the two vertical rods (10) on the same side. The two sliding rods on the same side are slidably connected in adjacent inclined holes (9).

4. The grounding protection mechanism of the power distribution cabinet according to claim 1, characterized in that: An L-shaped plate (15) is fixedly connected to one side of the inner wall of the cylinder (1), a rectangular hole (16) is provided at the top of the L-shaped plate (15), a lifting block (19) is slidably connected in the rectangular hole (16), a round rod (17) is fixedly connected between the top and bottom of the rectangular hole (16), and the round rod (17) slides through the lifting block (19), a round hole matching the round rod (17) is provided on the lifting block (19), and a spring (18) is sleeved on the round rod (17) located at the top of the lifting block (19).

5. The grounding protection mechanism of the power distribution cabinet according to claim 4, characterized in that: A first fixing block (20) is screwed to one end of the lifting block (19) away from the L-shaped plate (15) via bolts, and a first clamping groove is provided at the middle position of the bottom of the first fixing block (20).

6. The grounding protection mechanism of the power distribution cabinet according to claim 4, characterized in that: A second fixing block (21) is screwed to the bottom of the L-shaped plate (15) via bolts, and a second clamping groove is provided in the middle of the bottom of the second fixing block (21).

7. The grounding protection mechanism of the power distribution cabinet according to claim 1, characterized in that: A top cover (3) is screwed to the top of the cylinder (1) via bolts, handles (4) are fixedly connected to both sides of the top of the top cover (3), and a round hole matching the threaded rod (13) is provided in the middle of the top of the top cover (3).