Sheet metal base for power distribution cabinet
By introducing clamping mechanism and driving mechanism into the base of the distribution cabinet, the problems of existing base adaptability and maintenance complexity are solved, and stable fixation and rapid release of different models of distribution cabinets are achieved, which improves maintenance efficiency and Security.
Patent Information
- Application Number
- CN202420588528.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The existing distribution cabinet base cannot be adapted to different models of distribution cabinets, and the disassembly process during emergency repairs is complicated, which extends the maintenance time.
A sheet metal base including a clamping mechanism and a driving mechanism is designed. The clamping mechanism is composed of clamping pieces, top plate, driving block, etc. The clamping pieces are driven by electric push rod to achieve the fixing and release of the distribution cabinet, which enhances the Connection stability and security.
It realizes accurate, flexible and automated operation of distribution cabinets, improves maintenance efficiency and safety, and is suitable for different types of distribution cabinets.
Smart Images

Figure CN222191567U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a sheet metal base used for a power distribution cabinet. Background Art
[0002] The distribution cabinet is divided into power distribution cabinet, lighting distribution cabinet and metering cabinet. It is the final equipment of the distribution system. The distribution cabinet is a general term for the motor control center. The distribution cabinet is used in occasions with relatively dispersed loads and fewer circuits; the motor control center is used in occasions with concentrated loads and more circuits. They distribute the electrical energy of a circuit of the upper-level distribution equipment to the nearest load. This level of equipment should provide protection, monitoring and control for the load.
[0003] According to a distribution cabinet base with application number 202223045871.4, it includes a cabinet body, a cabinet door is connected and fixed to one side of the outside of the cabinet body, a bottom plate is fixed to the bottom surface of the outside of the cabinet body, and a conductive component is fixed to the outside of the bottom plate, and a shock-absorbing component is fixed to the outside of the bottom plate, and a support component is connected to the outside of the bottom plate, the support component includes a support, connecting bolts and positioning bolts, a connecting screw hole is opened on one side of the support, and a positioning screw hole is opened on the other side of the support, and the support is arranged at a right angle.
[0004] The above-mentioned base has certain limitations. It can only be applied to specified types of distribution cabinets and cannot be adapted to distribution cabinets of different models. When the distribution cabinet needs to be repaired, especially in an emergency, it takes a lot of time to disassemble the base, which increases the complexity of maintenance and prolongs the maintenance time. Utility Model Content
[0005] The utility model provides a sheet metal base for a power distribution cabinet, comprising: a clamping mechanism, a base box and a driving mechanism, wherein the clamping mechanism is arranged on the top of the base box, the driving mechanism is arranged in the base box, and the driving mechanism can drive the clamping mechanism to clamp the bottom of the power distribution cabinet, thereby increasing the connection stability and safety between the power distribution cabinet and the base.
[0006] Furthermore, the clamping mechanism includes a clamping block and a bottom plate. The top plate is sealed on the top opening of the base box by screws. The clamping block is an L-shaped plate frame and is movably arranged on the top plate to provide balanced support and clamping force. The four clamping blocks are located at the four corners of a rectangle, and the bottom end of the clamping block passes through the top plate to connect to the driving mechanism.
[0007] Furthermore, the driving mechanism includes a mounting plate, an electric push rod, a rotating shaft, a connecting bar, a first driving link, a second driving link, a first movable plate, a second movable plate, a slide rail, a slider, a connecting frame and a driving block. The center position of the connecting bar is rotatably connected to the bottom surface of the mounting plate through the rotating shaft, which can ensure that the connecting bar can rotate smoothly with the rotation of the rotating shaft without causing deviation or instability. The two ends of the connecting bar are respectively hinged to the first driving link and the second driving link. The electric push rod is installed on the bottom surface of the mounting plate, and the ejector rod end of the electric push rod is hinged to the end of the connecting bar. The end of the first driving link away from the connecting bar is hinged to the first movable plate, and the end of the second driving link away from the connecting bar is hinged to the first movable plate. The two cams are hinged to the second movable plate, and both ends of the first movable plate and the second movable plate are slidably connected to the slide rails through the slider, and the two slide rails are arranged in parallel and installed on the bottom surface of the mounting plate. Both ends of the first movable plate and the second movable plate are provided with connecting frames, and the connecting frames can provide additional support and stability. The connecting frames are respectively provided with driving blocks, and the top of the driving blocks are connected to the clamping block parts, and the driving blocks are used to lock the power distribution cabinet. When the first movable plate and the second move, the connecting frame and the driving block on the connecting frame move simultaneously, and the movement of the driving block determines whether the power distribution cabinet is in a locked state or an unlocked state. The clamping block part is provided on the top of the driving block, and the movement of the driving block drives the clamping block part to move, thereby completing the fixation of the power distribution cabinet.
[0008] Furthermore, a protective layer is provided on the top surface of the top plate to reduce the risk of electrical failure. The protective layer is made of insulating material to effectively isolate the current and prevent electrical short circuit or leakage.
[0009] Furthermore, the top plate is provided with a waist-shaped hole at the position of the column where the driving block is connected to the clamping block, and the waist-shaped hole is arranged along the length direction of the top plate, so that the column slides along the direction of the waist-shaped hole.
[0010] Furthermore, the width of the rectangular area where the distribution cabinet is placed inside the clamping mechanism is larger than the width of the distribution cabinet, and the size of the base box is larger than the width of the distribution cabinet to provide a larger support surface. The larger support surface can disperse the load and help prevent the system from shaking or becoming unstable during use.
[0011] Compared with the prior art, the utility model uses a driving mechanism. When the distribution cabinet needs to be locked, the electric push rod is controlled to close the clamping mechanism and clamp the distribution cabinet to ensure that it is fixed in the required position. When the distribution cabinet needs to be unlocked, the electric push rod is adjusted to open the clamping mechanism to release the distribution cabinet and ensure that it can move freely. Accurate, flexible and automated operation can be achieved, thereby improving safety and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of the sheet metal base used for the power distribution cabinet of the utility model;
[0013] Figure 2 This is an exploded schematic diagram of a sheet metal base for a power distribution cabinet of the utility model;
[0014] Figure 3 It is a three-dimensional structural diagram of the driving mechanism of the utility model;
[0015] Figure 4 This is a cross-sectional view of the bottom plate of the clamping mechanism of the utility model.
[0016] In the figure: clamping mechanism 1, clamping block 101, top plate 102, base box 2, driving mechanism 3, mounting plate 301, electric push rod 302, rotating shaft 303, connecting bar 304, first driving link 305, second driving link 306, first movable plate 307, second movable plate 308, slide rail 309, slider 310, connecting frame 311, driving block 312 and protective layer 4. DETAILED DESCRIPTION
[0017] In order to make the purpose and advantages of the utility model more clearly understood, the utility model is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.
[0018] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.
[0019] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.
[0020] In addition, it should be noted that in the description of the present invention, 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 indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0021] See also Figure 1-4 As shown, the utility model relates to a sheet metal base for a power distribution cabinet, comprising: a clamping mechanism 1, a clamping block 101, a top plate 102, a base box 2, a driving mechanism 3, a mounting plate 301, an electric push rod 302, a rotating shaft 303, a connecting bar 304, a first driving link 305, a second driving link 306, a first movable plate 307, a second movable plate 308, a slide rail 309, a slider 310, a connecting frame 311, a driving block 312 and a protective layer 4. The clamping mechanism 1 is arranged on the top of the base box 2, and the driving mechanism 3 is arranged in the base box 2. The driving mechanism 3 can drive the clamping mechanism 1 to clamp the bottom of the power distribution cabinet, thereby increasing the connection stability and safety between the power distribution cabinet and the base.
[0022] The driving mechanism 3 includes a mounting plate 301, an electric push rod 302, a rotating shaft 303, a connecting bar 304, a first driving connecting rod 305, a second driving connecting rod 306, a first moving plate 307, a second moving plate 308, a slide rail 309, a slider 310, a connecting frame 311 and a driving block 312. The center position of the connecting bar 304 is rotatably connected to the bottom surface of the mounting plate 301 through the rotating shaft 303, which can ensure that the connecting bar 304 rotates smoothly with the rotation of the rotating shaft 303. , and will not cause deviation or instability, the two ends of the connecting bar 304 are respectively hinged to the first drive link 305 and the second drive link 306, the electric push rod 302 is installed on the bottom surface of the mounting plate 301, the end of the ejector rod of the electric push rod 302 is hinged to the end of the connecting bar 304, the end of the first drive link 305 away from the connecting bar 304 is hinged to the first movable plate 307, the end of the second drive link 306 away from the connecting bar 304 is hinged to the second movable plate 308, the first movable plate 307 and the second The two ends of the movable plate 308 are slidably connected to the slide rails 309 through the sliders 310. The two slide rails 309 are arranged in parallel and mounted on the bottom surface of the mounting plate 301. The first movable plate 307 and the second movable plate 308 are both provided with connection frames 311 at both ends. The connection frames 311 can provide additional support and stability. The connection frames 311 are respectively provided with drive blocks 312. The top of the drive blocks 312 is connected to the clamping block 101. The drive blocks 312 are used to lock the power distribution cabinet. When the first movable plate 307 and the second movable plate 308 are connected, the drive blocks 312 are connected to the clamping block 101. The drive blocks 312 are used to lock the power distribution cabinet. The belt connecting frame 311 and the driving block 312 on the connecting frame 311 move simultaneously, and the movement of the driving block 312 determines whether the distribution cabinet is in a locked state or an unlocked state. A clamping block 101 is provided on the top of the driving block 312. The movement of the driving block 312 drives the clamping block 101 to move, thereby completing the fixation of the distribution cabinet. A waist-shaped hole is opened on the top plate 102 at the column position where the driving block 312 connects the clamping block 101. The waist-shaped hole is arranged along the length direction of the top plate 102, so that the column slides along the direction of the waist-shaped hole.
[0023] The clamping mechanism 1 includes a clamping block 101 and a bottom plate. The top plate 102 is sealed on the top opening of the base box 2 by screws. The clamping block 101 is an L-shaped plate frame and can be movably set on the top plate 102 to provide balanced support and clamping force. The four clamping blocks 101 are located at the four corners of the rectangle. The bottom ends of the clamping blocks 101 pass through the top plate 102 to connect to the driving mechanism 3. The width of the rectangular area where the distribution cabinet is placed inside the clamping mechanism 1 is larger than the width of the distribution cabinet. The size of the base box 2 is larger than the width of the distribution cabinet, which can provide a larger support surface. The larger support surface can disperse the load and help prevent the system from shaking or being unstable during use.
[0024] A protective layer 4 is disposed on the top surface of the top plate 102 to reduce the risk of electrical failure. The protective layer 4 is made of an insulating material to effectively isolate the current and prevent electrical short circuits or leakage.
[0025] When in use, gently place the sheet metal base on the position where the distribution cabinet needs to be installed, ensure that the base is firmly placed on the ground or supporting structure, and gently place the distribution cabinet on the clamping mechanism 1 of the base, ensure that the contact surface of the distribution cabinet and the top plate 102 are completely in contact to ensure stability and safety. As needed, use the driving mechanism 3 to clamp the distribution cabinet to ensure that it is firmly fixed in the clamping mechanism 1, and adjust the opening and closing state of the clamping block 101 by controlling the electric push rod 302. When the clamping block 101 is in the open state, the distribution cabinet can move or rotate freely. When the distribution cabinet needs to be locked, the clamping mechanism 1 is closed and the distribution cabinet is clamped by controlling the electric push rod 302. The gap in the left and right directions can be used to fix the distribution cabinet with fillers to ensure that it is fixed in the required position. When the distribution cabinet needs to be unlocked, the filler is taken out, and the clamping mechanism 1 is opened by adjusting the electric push rod 302 to release the distribution cabinet and ensure that it can move freely.
[0026] So far, the technical solution of the utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the utility model.
[0027] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may 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 sheet metal base for a power distribution cabinet, characterized in that: The invention comprises a clamping mechanism (1), a base box (2) and a driving mechanism (3), wherein the clamping mechanism (1) is arranged on the top of the base box (2), the driving mechanism (3) is arranged inside the base box (2), and the driving mechanism (3) can drive the clamping mechanism (1) to clamp the bottom of the power distribution cabinet; The clamping mechanism (1) comprises a clamping block (101) and a top plate (102); the top plate (102) is sealed on the top opening of the base box (2) by means of screws; the clamping block (101) is an L-shaped plate frame and is movably arranged on the top plate (102); four clamping blocks (101) are located at four corners of a rectangle; the bottom end of the clamping block (101) passes through the top plate (102) to connect to the driving mechanism (3); The driving mechanism (3) comprises a mounting plate (301), an electric push rod (302), a rotating shaft (303), a connecting bar (304), a first driving connecting rod (305), a second driving connecting rod (306), a first movable plate (307), a second movable plate (308), a slide rail (309), a slider (310), a connecting frame (311) and a driving block (312); the center position of the connecting bar (304) is rotatably connected to the bottom surface of the mounting plate (301) via the rotating shaft (303); the two ends of the connecting bar (304) are respectively hinged to the first driving connecting rod (305) and the second driving connecting rod (306); the electric push rod (302) is mounted on the bottom surface of the mounting plate (301); the ejector rod end of the electric push rod (302) is hinged to the connecting bar (304). The end of the connecting bar (304), the end of the first driving link (305) away from the connecting bar (304) is hinged to the first movable plate (307), the end of the second driving link (306) away from the connecting bar (304) is hinged to the second movable plate (308), the first movable plate (307) and the second movable plate (308) are slidably connected to the slide rail (309) at both ends through the slider (310), the two slide rails (309) are arranged in parallel and installed on the bottom surface of the mounting plate (301), the first movable plate (307) and the second movable plate (308) are both provided with a connecting frame (311), and the connecting frame (311) is respectively provided with a driving block (312), and the top of the driving block (312) is connected to the clamping block (101).
2. The sheet metal base for a power distribution cabinet according to claim 1, characterized in that: A protective layer (4) is provided on the top surface of the top plate (102), and the protective layer (4) is made of an insulating material.
3. The sheet metal base for a power distribution cabinet according to claim 1, characterized in that: The top plate (102) is provided with a waist-shaped hole at the column position where the driving block (312) is connected to the clamping block (101), and the waist-shaped hole is arranged along the length direction of the top plate (102).
4. The sheet metal base for a power distribution cabinet according to claim 1, characterized in that: The width of the rectangular area inside the clamping mechanism (1) where the power distribution cabinet is placed is greater than the width of the power distribution cabinet.
