Low-voltage distribution box
By using a U-shaped seat and threaded rod system in the low-voltage distribution box, the box body is driven up, combined with the water level sensor and reinforcement plate, the problem of rainwater intrusion is solved and the safety and reliability of the equipment is improved.
Patent Information
- Application Number
- CN202420568832.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-22
AI Technical Summary
Existing low-voltage distribution boxes are susceptible to ground rainwater in heavy rain, resulting in damage to electrical components and affecting their normal use.
A low-voltage distribution box is designed, using a U-shaped seat and threaded rod system. The threaded rod is driven to rotate through a servo motor, and the lifting plate drives the box to rise to prevent rainwater from entering, and protection is enhanced through structures such as water level sensors and reinforcement plates.
It effectively avoids rainwater entering the distribution box, improves the safety and reliability of the equipment, and ensures that it can work normally on rainy days.
Smart Images

Figure CN222261864U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of distribution boxes, in particular to a low-voltage distribution box. Background Art
[0002] A distribution box (distribution cabinet) is a low-voltage distribution device that is composed of switchgear, measuring instruments, protective electrical appliances and auxiliary equipment assembled in a closed or semi-closed metal cabinet according to electrical wiring requirements. A distribution box usually includes a box body and a door hinged to the box body. The distribution box is one of the most basic power supply facilities in urban construction. Some low-voltage distribution boxes will be installed outdoors as needed. Because most of the existing low-voltage distribution boxes are directly installed on the ground, when it rains heavily, rainwater on the ground will enter the low-voltage distribution box and cause damage to the electrical components in the box, which directly affects the normal use of the distribution box.
[0003] Therefore, those skilled in the art provide a low-voltage distribution box to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a low-voltage distribution box to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The low-voltage distribution box comprises a U-shaped seat, the upper surface of the U-shaped seat is fixedly connected to two support plates, the upper surfaces of the two support plates are fixedly inlaid with load-bearing bearings, the inner rings of the two load-bearing bearings are fixedly connected to threaded rods, the outer surfaces of the two threaded rods are threadedly connected to lifting plates, the two lifting plates are fixedly connected to a box body on one side close to each other, the front of the box body is hinged with a protective door through a hinge, the inner bottom wall of the U-shaped seat is fixedly connected to a sealed box, a servo motor is provided inside the sealed box, the upper surface of the sealed box is fixedly inlaid with a sealed bearing, the inner ring of the sealed bearing is fixedly connected to a rotating rod, the bottom end of one of the threaded rods is connected to the upper end of the rotating rod, and the bottom end of the rotating rod is connected to the output end of the servo motor, the outer surfaces of the two threaded rods are fixedly connected to wheels, the outer surfaces of the two wheels are jointly covered with a rotating belt, and the bottom surface of the box body is fixedly connected to a water level sensor.
[0007] As a further solution of the utility model: an observation window is fixedly embedded on the front side of the protective door, and the shape of the observation window is rectangular.
[0008] As a further solution of the utility model: the left side surface and the right side surface of the U-shaped seat are both fixedly connected with a mounting plate, and the upper surface of the mounting plate is provided with two mounting holes.
[0009] As a further solution of the utility model: the top end of the threaded rod is fixedly connected to a limiting block, and a warning sign is provided in front of the protective door.
[0010] As a further solution of the utility model: two telescopic rods are fixedly connected to the inner bottom wall of the U-shaped seat, and the telescopic ends of the two telescopic rods are connected to the bottom surface of the box body.
[0011] As a further solution of the utility model: two rectangular blocks are fixedly connected to the upper surface of the box body, and a rain shield is fixedly connected to the upper surfaces of the two rectangular blocks.
[0012] As a further solution of the utility model: a group of reinforcement plates are fixedly connected to the left side surface and the right side surface of the box body, and the bottom surfaces of the two groups of reinforcement plates are respectively connected to the upper surfaces of the two lifting plates.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The low-voltage distribution box is provided with a U-shaped seat at the bottom of the box body. When the motor on the U-shaped seat drives the two threaded rods to rotate, the lifting plates on the threaded rods can drive the box body to move upward. In this way, the height of the distribution box can be adjusted, which effectively avoids the situation in which rainwater on the ground enters the low-voltage distribution box and causes damage to the electrical components in the box when encountering heavy rain, and has high safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a top view from the left side of the U-shaped seat;
[0016] Figure 2 This is the bottom view of the box from the right perspective;
[0017] Figure 3 It is a cross-sectional view of the U-shaped seat from the front perspective;
[0018] Figure 4 This is a cross-sectional view of the box from the front perspective.
[0019] In the figure: 1. U-shaped seat; 2. Support plate; 3. Load-bearing bearing; 4. Threaded rod; 5. Lifting plate; 6. Box body; 7. Observation window; 8. Protective door; 9. Mounting plate; 10. Mounting hole; 11. Limit block; 12. Water level sensor; 13. Turntable; 14. Telescopic rod; 15. Rectangular block; 16. Rain shield; 17. Sealed box; 18. Servo motor; 19. Sealed bearing; 20. Rotating wheel; 21. Rotating rod; 22. Reinforcement plate. DETAILED DESCRIPTION
[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0022] See also Figures 1 to 4 In the embodiment of the utility model, the low-voltage distribution box includes a U-shaped seat 1, the upper surface of the U-shaped seat 1 is fixedly connected with two support plates 2, the upper surfaces of the two support plates 2 are fixedly inlaid with load-bearing bearings 3, the inner rings of the two load-bearing bearings 3 are fixedly connected with threaded rods 4, the outer surfaces of the two threaded rods 4 are threadedly connected with lifting plates 5, the two lifting plates 5 are fixedly connected with a box body 6 on one side close to each other, the front of the box body 6 is hinged with a protective door 8 through a hinge, the inner bottom wall of the U-shaped seat 1 is fixedly connected with a sealed box 17, the interior of the sealed box 17 is provided with a servo motor 18, and the upper surface of the sealed box 17 is fixedly inlaid with a sealed bearing 19 The inner ring of the sealed bearing 19 is fixedly connected with a rotating rod 21, the bottom end of one of the threaded rods 4 is connected to the upper end of the rotating rod 21, the bottom end of the rotating rod 21 is connected to the output end of the servo motor 18, the outer surfaces of the two threaded rods 4 are fixedly connected with a rotating wheel 20, the outer surfaces of the two rotating wheels 20 are jointly sleeved with a rotating belt 13, and the bottom surface of the box body 6 is fixedly connected with a water level sensor 12; by arranging a U-shaped seat 1 under the box body 6, when the servo motor 18 on the U-shaped seat 1 drives the two threaded rods 4 to rotate, the lifting plate 5 on the threaded rod 4 can drive the box body 6 to do an upward movement, so that the height of the distribution box can be adjusted.
[0023] An observation window 7 is fixedly inlaid on the front of the protective door 8, and the shape of the observation window 7 is rectangular. By arranging the observation window 7 on the protective door 8, it is convenient for the staff to check the situation inside the box 6. The left side surface of the U-shaped seat 1 and the right side surface of the U-shaped seat 1 are fixedly connected with a mounting plate 9. Two mounting holes 10 are provided on the upper surface of the mounting plate 9. By arranging two mounting plates 9 on the U-shaped seat 1, it is convenient for the staff to fix the U-shaped seat 1. The top end of the threaded rod 4 is fixedly connected to a limiting block 11. A warning sign is provided in front of the protective door 8. By arranging the limiting block 11 on the threaded rod 4, the lifting plate 5 can be prevented from being separated from the threaded rod 4.
[0024] Two telescopic rods 14 are fixedly connected to the inner bottom wall of the U-shaped seat 1, and the telescopic ends of the two telescopic rods 14 are connected to the bottom surface of the box body 6. By arranging two telescopic rods 14 on the U-shaped seat 1, the height of the box body 6 can be limited. Two rectangular blocks 15 are fixedly connected to the upper surface of the box body 6. The upper surfaces of the two rectangular blocks 15 are commonly fixedly connected with a rain shield 16. By arranging the rain shield 16 above the box body 6, rainwater can be prevented from flowing into the interior through the gap of the box body 6. A group of reinforcing plates 22 are fixedly connected to the left side of the box body 6 and the right side of the box body 6. The bottom surfaces of the two groups of reinforcing plates 22 are respectively connected to the upper surfaces of the two lifting plates 5. By adding a group of reinforcing plates 22 on the lifting plates 5, the connection between the lifting plates 5 and the box body 6 can be made more secure.
[0025] The working principle of the utility model is: first, the staff fixes the U-shaped seat 1 to the ground, and then the staff connects the water level sensor 12 with the components inside the box body 6 and energizes it. When the rainwater on the ground contacts the water level sensor 12, the servo motor 18 drives the two threaded rods 4 to rotate with the cooperation of the rotating belt 13, and the lifting plate 5 on the threaded rod 4 performs an upward movement on the threaded rod 4 with the limited cooperation of the telescopic rod 14, so that the box body 6 can be lifted to a safe height.
[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A low voltage distribution box, comprising a U-shaped seat (1), characterized in that: The upper surface of the U-shaped seat (1) is fixedly connected to two support plates (2), the upper surfaces of the two support plates (2) are fixedly inlaid with load-bearing bearings (3), the inner rings of the two load-bearing bearings (3) are fixedly connected to threaded rods (4), the outer surfaces of the two threaded rods (4) are threadedly connected to lifting plates (5), the two lifting plates (5) are fixedly connected to a box body (6) on their mutually adjacent sides, the front of the box body (6) is hinged with a protective door (8), the inner bottom wall of the U-shaped seat (1) is fixedly connected to a sealing box (17), the inner bottom wall of the sealing box (17) is fixedly connected to the inner bottom wall of the sealing box (17). A servo motor (18) is provided on the upper surface of the sealing box (17), a sealing bearing (19) is fixedly embedded, the inner ring of the sealing bearing (19) is fixedly connected to a rotating rod (21), the bottom end of one of the threaded rods (4) is connected to the upper end of the rotating rod (21), the bottom end of the rotating rod (21) is connected to the output end of the servo motor (18), the outer surfaces of the two threaded rods (4) are fixedly connected to rotating wheels (20), the outer surfaces of the two rotating wheels (20) are jointly sleeved with a rotating belt (13), and the bottom surface of the box body (6) is fixedly connected to a water level sensor (12).
2. The low voltage distribution box according to claim 1, characterized in that: An observation window (7) is fixedly inlaid on the front of the protective door (8), and the shape of the observation window (7) is rectangular.
3. The low voltage distribution box according to claim 1, characterized in that: The left side surface of the U-shaped seat (1) and the right side surface of the U-shaped seat (1) are both fixedly connected to a mounting plate (9), and the upper surface of the mounting plate (9) is provided with two mounting holes (10).
4. The low voltage distribution box according to claim 1, characterized in that: The top end of the threaded rod (4) is fixedly connected to a limiting block (11), and a warning sign is provided in front of the protective door (8).
5. The low voltage distribution box according to claim 1, characterized in that: Two telescopic rods (14) are fixedly connected to the inner bottom wall of the U-shaped seat (1), and the telescopic ends of the two telescopic rods (14) are connected to the bottom surface of the box body (6).
6. The low voltage distribution box according to claim 1, characterized in that: Two rectangular blocks (15) are fixedly connected to the upper surface of the box body (6), and a rain shield (16) is fixedly connected to the upper surfaces of the two rectangular blocks (15).
7. The low voltage distribution box according to claim 1, characterized in that: A group of reinforcing plates (22) are fixedly connected to the left side surface of the box body (6) and the right side surface of the box body (6), and the bottom surfaces of the two groups of reinforcing plates (22) are respectively connected to the upper surfaces of the two lifting plates (5).