Water accumulation prevention base structure of outdoor power distribution cabinet
By using a worm gear and lead screw lifting assembly, the height adjustment of the outdoor power distribution cabinet can be adjusted by a single person, solving the problems of complex and unstable operation in the existing technology, and improving operating efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-24
AI Technical Summary
The height adjustment of existing outdoor power distribution cabinets requires the cooperation of two workers, which is difficult to operate, time-consuming, and structurally unstable, potentially leading to accidents.
The lifting assembly uses a worm gear and lead screw to adjust the height of the distribution cabinet by rotating the worm. The worm drives the worm wheel and lead screw to extend or retract the fork arm structure, allowing a single person to lift and lower the distribution cabinet, ensuring stability and safety.
It simplifies the operation steps, reduces the difficulty of operation, improves work efficiency, enhances the stability and safety of the power distribution cabinet, and reduces labor costs.
Smart Images

Figure CN224036874U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power distribution cabinet technical field, specifically is outdoor power distribution cabinet's anti -waterlogging base structure. BACKGROUND
[0002] The power distribution cabinet is an important electrical equipment in the electrical system, mainly used for power distribution and control. It realizes the functions of power receiving, distribution, control, monitoring and protection through the combination of switches, protection appliances, measuring instruments, bus bars and other components. The power distribution cabinet is widely used in various places such as industry and construction, and is an indispensable part of the power system.
[0003] Chinese open patent (announcement number: CN220022032U) discloses a kind of fixed base structure for high-voltage power distribution cabinet, including power distribution cabinet, and installation device is arranged on the bottom of power distribution cabinet, installation device includes clamping unit, lifting unit, fixed unit and bottom plate, clamping unit is arranged on the top of bottom plate, lifting unit is arranged on the bottom of bottom plate, fixed unit is arranged on the bottom of lifting unit, and bottom plate is arranged on the bottom of power distribution cabinet, and waterproof device is arranged on the top of power distribution cabinet.
[0004] In the above-mentioned comparative document, when the height of the bottom plate needs to be adjusted, the four first bolts are unscrewed, and then the height of the upper support leg and the lower support leg is adjusted to the appropriate position, and then the four first bolts are fixed. In this process, two workers may need to cooperate, one responsible for lifting the bottom plate, and the other responsible for tightening the bolts, increasing the operation difficulty and time cost.
[0005] Therefore, the utility model provides an anti-water accumulation base structure for outdoor power distribution cabinet to solve the above technical problems. UTILITY MODEL CONTENTS
[0006] In view of the deficiencies of the above background technology, the utility model provides an anti-water accumulation base structure for outdoor power distribution cabinet. The lifting assembly composed of the worm and the screw rod allows the base of the outdoor power distribution cabinet to be precisely adjusted in height without manually lifting the bottom plate, significantly reducing the operation difficulty and time cost. Specifically, when the height of the power distribution cabinet needs to be raised, the operator only needs to rotate the worm, which drives the worm gear to rotate, and then the screw rod rotates synchronously, pushing the first fork arm structure and the second fork arm structure to gradually expand from an acute angle to nearly 180°, achieving the upward movement of the power distribution cabinet. When it needs to be lowered, the first fork arm structure and the second fork arm structure are retracted from the obtuse angle to the initial acute angle state. The first fork arm structure and the second fork arm structure are both composed of four connecting rods connected by cross-shaped pin shafts. During the entire process, only one operator is needed to complete the operation independently, greatly improving the operation efficiency, reducing the labor cost, and ensuring the safety and convenience of the operation.
[0007] The utility model provides the following technical scheme: outdoor distribution cabinet's anti -waterlogging base structure, including distribution cabinet body, top plate and bottom plate,
[0008] The top plate is connected with the bottom plate through the lifting assembly;
[0009] The lifting assembly includes a guide slot, which is opened on the front and rear surfaces of the top plate and the bottom plate. The guide slot is connected with the inner cavities of the top plate and the bottom plate. The inner cavities of the first fork arm structure and the second fork arm structure are connected with two connecting shafts. The inner cavities of the two connecting shafts are rotatably connected with a lead screw. One end of the lead screw is fixedly connected with a worm gear. One side of the top plate is fixedly connected with a connecting plate. The inner cavity of the connecting plate is rotatably connected with a worm.
[0010] As a preferred technical scheme of the utility model, the worm gear and the worm wheel are meshed. One end of the worm gear can be provided with a connecting groove. The worm gear is rotated by a manual or electric drive device.
[0011] As a preferred technical scheme of the utility model, the first fork arm structure and the second fork arm structure each consist of four connecting rods that are X-shaped and connected by a pin shaft. The pin shaft is treated with anti-rust.
[0012] As a preferred technical scheme of the utility model, the connecting rods of the first fork arm structure and the second fork arm structure are steel connecting rods. The surfaces of the connecting rods of the first fork arm structure and the second fork arm structure are sprayed with an anti-corrosion coating.
[0013] As a preferred technical scheme of the utility model, the meshing ratio of the worm gear and the worm wheel is 1:10 to 1:20. The thread of the lead screw is trapezoidal thread.
[0014] As a preferred technical scheme of the utility model, the top plate is provided with a drain hole. The bottom plate is provided with a base at each corner. The bottom of the base is provided with anti-slip lines.
[0015] As a preferred technical scheme of the utility model, one side of the first fork arm structure and the second fork arm structure is slidably connected with the guide slot through a pin shaft. The other side of the first fork arm structure and the second fork arm structure is rotatably connected with the inner cavities of the top plate and the bottom plate through a pin shaft.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. The utility model is provided with a lifting assembly. The distribution cabinet can be lifted by rotating the worm gear. The worm gear drives the worm gear to rotate, thereby driving the lead screw and the fork arm structure to expand or contract. The whole process can be operated by one person, simplifying the operation steps, reducing the operation difficulty, and significantly improving the work efficiency.
[0018] 2、The utility model discloses a worm and worm gear transmission mechanism, ensure the stability of switch board in the process of lifting, and the fork arm structure is formed by four X-shaped cross connecting rods, is connected through the pin shaft, forms the solid support system, further strengthens the overall stability of switch board, avoids the accident of structural instability. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is structural schematic drawing of the utility model;
[0020] Figure 2 It is sectional view of the utility model;
[0021] Figure 3 It is local enlarged view of the utility model;
[0022] Figure 4 It is lifting assembly structural schematic drawing of the utility model.
[0023] In the drawing: 1, switch board body;101, top plate;102, bottom plate;103, guide groove;2, first fork arm structure;201, second fork arm structure;202, connecting shaft;203, screw rod;204, worm wheel;205, connecting plate;206, worm;3, connecting groove;4, drain hole;401, base. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.
[0025] Please refer to Figures 1-4As shown, the anti-water accumulation base structure of the outdoor power distribution cabinet, including power distribution cabinet body 1, top plate 101 and bottom plate 102, top plate 101 is connected with bottom plate 102 through lifting assembly, lifting assembly includes guide slot 103, guide slot 103 is opened in the front and back surface of top plate 101 and bottom plate 102, the inner cavity of guide slot 103, top plate 101 and bottom plate 102 are connected with first fork arm structure 2 and second fork arm structure 201, the inner cavity of first fork arm structure 2 and second fork arm structure 201 is commonly connected with two connecting shafts 202, the inner cavity of two connecting shafts 202 is rotatably connected with lead screw 203, one end of lead screw 203 is fixedly connected with worm gear 204, one side of top plate 101 is fixedly connected with connecting plate 205, the inner cavity of connecting plate 205 is rotatably connected with worm 206, the engagement between worm 206 and worm gear 204 is adopted, one end of worm 206 can be provided with connecting groove 3, worm 206 is rotated by manual or electric drive device, first fork arm structure 2 and second fork arm structure 201 are all composed of four X-shaped cross connecting rods connected by pin shaft, the pin shaft is treated with rust prevention, which improves its service life in outdoor environment, the connecting rod of first fork arm structure 2 and second fork arm structure 201 is steel connecting rod, which can ensure the stability and durability of the structure, the surface of the connecting rod of first fork arm structure 2 and second fork arm structure 201 is sprayed with anticorrosive coating, which is used to improve its corrosion resistance in outdoor environment, the engagement ratio of worm 206 and worm gear 204 is 1:10 to 1:20, which ensures the stable rotation of worm gear 204 when rotating worm 206, the thread of lead screw 203 is trapezoidal thread, which improves transmission efficiency and stability, trapezoidal thread can improve transmission efficiency and stability, the top of bottom plate 102 is provided with drain hole 4, which is mainly used for preventing water accumulation in the inner cavity of bottom plate 102, the bottom of bottom plate 102 is threadedly connected with base 401 at four corners, the bottom of base 401 is provided with anti-skid pattern, which is used to increase the friction of the bottom of base 401 to prevent sliding, one side of first fork arm structure 2 and second fork arm structure 201 is slidably connected with guide slot 103 through pin shaft, the other side of first fork arm structure 2 and second fork arm structure 201 is rotatably connected with the inner cavity of top plate 101 and bottom plate 102 through pin shaft.
[0026] When the power distribution cabinet body 1 needs to be raised, the rocker or electric drive device is connected with the connecting groove 3, the worm 206 is driven to rotate by manual or electric drive device, the worm 206 drives the worm gear 204 to rotate, the worm gear 204 drives the lead screw 203 to rotate, the rotation of the lead screw 203 makes the first fork arm structure 2 and the second fork arm structure 201 gradually unfold from acute angle to close to °, with the unfolding of the first fork arm structure 2 and the second fork arm structure 201, the top plate 101 rises, so that the power distribution cabinet is lifted to the required height.
[0027] When the power distribution cabinet body 1 needs to be lowered, the worm 206 is driven to reverse by manual or electric mode, the worm 206 drives the worm gear 204 to rotate reversely, the worm gear 204 drives the lead screw 203 to rotate reversely, the rotation of the lead screw 203 makes the first fork arm structure 2 and the second fork arm structure 201 shrink from an obtuse angle to an initial acute angle, with the shrinkage of the first fork arm structure 2 and the second fork arm structure 201, the top plate 101 is lowered, and the power distribution cabinet body 1 is lowered to an initial position.
[0028] Through the meshing of the worm 206 and the worm gear 204, the stable rotation of the lead screw 203 is realized, and the stability and safety of the lifting process are ensured.
[0029] The X-shaped design of the first fork arm structure 2 and the second fork arm structure 201 can be flexibly expanded and contracted under the driving of the lead screw 203 through the pin shaft connection, so as to realize the lifting of the power distribution cabinet body 1.
[0030] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Meanwhile, in the drawings of the utility model, the filling pattern is only for distinguishing the layers, and does not make any other limitation.
[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. The waterproof base structure of the outdoor distribution cabinet includes: The main body (1), top plate (101) and bottom plate (102) of the power distribution cabinet; The top plate (101) is connected to the bottom plate (102) via a lifting assembly; The lifting assembly includes a guide groove (103), which is formed on the front and rear surfaces of the top plate (101) and the bottom plate (102). The guide groove (103) and the inner cavities of the top plate (101) and the bottom plate (102) are connected to a first fork arm structure (2) and a second fork arm structure (201). The inner cavities of the first fork arm structure (2) and the second fork arm structure (201) are connected to two connecting shafts (202). The inner cavities of the two connecting shafts (202) are rotatably connected to a lead screw (203). One end of the lead screw (203) is fixedly connected to a worm gear (204). A connecting plate (205) is fixedly connected to one side of the top plate (101). The inner cavity of the connecting plate (205) is rotatably connected to a worm gear (206).
2. The water-proof base structure of the outdoor power distribution cabinet according to claim 1, characterized in that: The worm (206) and the worm wheel (204) are meshed. One end of the worm (206) may be provided with a connecting groove (3). The worm (206) is rotated by a manual or electric drive device.
3. The water-proof base structure of the outdoor power distribution cabinet according to claim 1, characterized in that: Both the first fork arm structure (2) and the second fork arm structure (201) consist of four connecting rods that intersect in an X shape and are connected by pins. The pins are treated with rust prevention.
4. The water-proof base structure of the outdoor power distribution cabinet according to claim 1, characterized in that: The connecting rod between the first fork arm structure (2) and the second fork arm structure (201) is a steel connecting rod, and the surface of the connecting rod between the first fork arm structure (2) and the second fork arm structure (201) is coated with an anti-corrosion coating.
5. The water-proof base structure of the outdoor power distribution cabinet according to claim 1, characterized in that: The meshing ratio of the worm (206) to the worm wheel (204) is 1:10 to 1:20, and the thread of the lead screw (203) is a trapezoidal thread.
6. The water-proof base structure of the outdoor power distribution cabinet according to claim 1, characterized in that: The bottom plate (102) has a drainage hole (4) at the top, and a base (401) is threaded to each of the four corners of the bottom of the bottom plate (102). The bottom of the base (401) has anti-slip texture.
7. The water-proof base structure of the outdoor power distribution cabinet according to claim 1, characterized in that: One side of the first fork arm structure (2) and the second fork arm structure (201) are slidably connected to the guide groove (103) by a pin, and the other side of the first fork arm structure (2) and the second fork arm structure (201) are rotatably connected to the inner cavity of the top plate (101) and the bottom plate (102) by a pin.
Citation Information
Patent Citations
Fixed base structure for high-voltage power distribution cabinet
CN220022032U