High-voltage power distribution cabinet with overvoltage protection device

Abstract

The utility model provides a high-voltage power distribution cabinet with an overvoltage protection device, which comprises a box body, a mounting box fixedly mounted in the box body, a connecting and fixing assembly arranged in the mounting box, an overvoltage protection assembly arranged on the surface of a first connecting plate, and a line clamp fixedly arranged at the right end of the mounting box. The adjusting assembly is arranged in the mounting box. According to the high-voltage power distribution cabinet with the overvoltage protection device provided by the utility model, the mounting box is mounted in the box body, the distance between the two first connecting plates can be adjusted by rotating the left-hand thread rod according to the size of the overvoltage protection assembly, and then the bolts are screwed in the corresponding fixed threaded holes; therefore, the overvoltage protection assembly is fixed on the first connecting plate and is convenient to maintain and disassemble at the same time, and the circuit can be clamped and fixed through the adjusting assembly while the circuit can be connected with a component in the box body through the penetrating groove, so that winding between the circuits is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution cabinets, in particular to a high-voltage distribution cabinet with an overvoltage protection device. Background Art

[0002] Distribution cabinets (boxes) are divided into power distribution cabinets (boxes), lighting distribution cabinets (boxes), and metering cabinets (boxes). They are the end devices of the power distribution system. Distribution cabinets are the general term for motor control centers. Distribution cabinets are used in occasions where the load is relatively dispersed and the number of circuits is small; motor control centers are used in occasions where the load is concentrated and the number of circuits is large.

[0003] An overvoltage protector can detect a situation where the voltage exceeds the set threshold and protect the distribution cabinet from overvoltage by guiding the voltage to the ground. However, the overvoltage protection device is generally connected to circuit components and installed on the side of the distribution box, so it is more troublesome to repair and disassemble the overvoltage protector, and the wires are easily entangled.

[0004] Therefore, it is necessary to provide a high-voltage distribution cabinet with an overvoltage protection device to solve the above technical problems. Content of the Utility Model

[0005] The utility model provides a high-voltage distribution cabinet with an overvoltage protection device, which solves the problems that the overvoltage protection device is not easy to repair and disassemble and the wires are easily entangled.

[0006] To solve the above technical problems, a high-voltage distribution cabinet with an overvoltage protection device provided by the utility model includes: a box body, and an installation box is fixedly installed inside the box body;

[0007] A connection and fixing component, which is arranged inside the installation box. The connection and fixing component includes a reverse-threaded screw rod, the reverse-threaded screw rod is movably connected to the inner surface of the installation box, a first connecting plate is fixedly connected to the surface of the reverse-threaded screw rod, a fixing threaded hole is formed on the surface of the first connecting plate, and a fixing bolt is threadedly connected inside the fixing threaded hole;

[0008] An overvoltage protection component, which is arranged on the surface of the first connecting plate;

[0009] A wire clamping and fixing component, which is arranged at the right end of the installation box;

[0010] An adjusting component, which is arranged inside the installation box.

[0011] Preferably, a protection door is movably installed on the surface of the left end of the installation box, and a driving motor is fixedly connected to one end of the reverse-threaded screw rod.

[0012] Preferably, the overvoltage protection component includes a second connecting plate movably connected to the surface of the first connecting plate. A protector is fixedly connected to the surface of the second connecting plate, and the fixing bolt is threadedly connected to the inside of the second connecting plate.

[0013] Preferably, the line clamping and fixing includes a threading groove opened on the surface of the rear end of the installation box. A clamping block is movably connected to the inside of the threading groove, and a threaded plate is fixedly connected to the top of the clamping block.

[0014] Preferably, the adjusting component includes a connecting groove opened on the surface of the installation box at the top of the threading groove. The threaded plate is movably embedded in the inside of the connecting groove.

[0015] Preferably, an adjusting threaded rod is movably connected to the inside of the connecting groove. The threaded plate is threadedly connected to the outer surface of the adjusting threaded rod, and a bevel gear set is fixedly connected to the top of the adjusting threaded rod.

[0016] Compared with the related art, a high-voltage power distribution cabinet with an overvoltage protection device provided by the present utility model has the following beneficial effects:

[0017] The present utility model provides a high-voltage power distribution cabinet with an overvoltage protection device. By installing an installation box inside the box body, the distance between the two first connecting plates can be adjusted by rotating the reverse-threaded rod according to the size of the overvoltage protection component, and then the bolts are threaded into the corresponding fixing threaded holes, so that the overvoltage protection component can be fixed on the first connecting plate while being convenient for maintenance and disassembly. Moreover, the line can be connected to the components inside the box body through the threading groove, and at the same time, the line clamping and fixing can be realized for the line through the adjusting component, thereby preventing the entanglement between the lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of a preferred embodiment of a high-voltage power distribution cabinet with an overvoltage protection device provided by the present utility model;

[0019] Figure 2 is Figure 1 the internal structural diagram of the box body shown;

[0020] Figure 3 is Figure 2 the enlarged schematic diagram of part A shown;

[0021] Figure 4 is Figure 1 the schematic diagram of the internal structure of the side of the installation box shown;

[0022] Figure 5 is Figure 1 the schematic diagram of the front sectional structure of the installation box shown.

[0023] Reference numerals in the figure: 1, box body; 2, installation box; 3, protection door,

[0024] 4, connection and fixing component, 41, reverse-threaded screw rod, 42, first connecting plate, 43, fixing threaded hole, 44, fixing bolt,

[0025] 5, driving motor,

[0026] 6, overvoltage protection component, 61, second connecting plate, 62, protector,

[0027] 7, wire clamping and fixing, 71, threading groove, 72, clamping block,

[0028] 73, threaded plate, 8, adjusting component, 81, connecting groove, 82, adjusting threaded rod, 83, bevel gear set. Detailed implementation mode

[0029] The present utility model will be further described below in conjunction with the accompanying drawings and the implementation mode.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , where Figure 1 is a schematic structural diagram of a preferred embodiment of a high-voltage power distribution cabinet with an overvoltage protection device provided by the present utility model; Figure 2 is Figure 1 the internal structural diagram of the box body shown in Figure 3 is Figure 2 the enlarged schematic diagram of part A shown in Figure 4 is Figure 1 the internal structural diagram of the side surface of the installation box shown in Figure 5 is Figure 1 the front sectional structural diagram of the installation box shown in

[0031] A connection and fixing component 4, the connection and fixing component 4 is arranged inside the installation box 2, the connection and fixing component 4 includes a reverse-threaded screw rod 41, the reverse-threaded screw rod 41 is movably connected to the inner surface of the installation box 2, a first connecting plate 42 is fixedly connected to the surface of the reverse-threaded screw rod 41, a fixing threaded hole 43 is formed on the surface of the first connecting plate 42, and a fixing bolt 44 is threadedly connected inside the fixing threaded hole 43;

[0032] An overvoltage protection component 6, the overvoltage protection component 6 is arranged on the surface of the first connecting plate 42;

[0033] The wire clamping and fixing member 7 is disposed at the right end of the mounting box 2;

[0034] An adjusting assembly 8 is disposed inside the mounting box 2.

[0035] The function of the mounting box 2 is to separately connect the overvoltage protection component 6 to the internal components of the box body 1, which facilitates installation and disassembly. The function of the connection and fixing component 4 is to fix the overvoltage protection component 6. Grooves are provided on both the upper and lower inner surfaces of the mounting box 2. The reverse-threaded screw rod 41 is rotatably connected inside the bottom groove, and a rod is fixedly connected inside the top groove. The number of the first connecting plates 42 is two, and threaded blocks are fixedly connected to both the upper and lower ends. The bottom threaded blocks of the two first connecting plates 42 are respectively threadedly sleeved on the threaded sections in two opposite directions of the reverse-threaded screw rod 41, and the top threaded blocks are slidably sleeved on the surface of the top connecting rod. Thus, when the reverse-threaded screw rod 41 rotates, the threaded blocks can drive the two first connecting plates 42 to slide towards or away from each other to adjust the distance between the two first connecting plates 42, so as to fix overvoltage protection components 6 of different sizes. Fixing threaded holes 43 are linearly arranged on the surfaces of the two first connecting plates 42, and the connection and fixing between the first connecting plates 42 and the overvoltage protection component 6 can be realized through fixing bolts 44. The function of the wire clamping and fixing member 7 is to clamp and fix the wire, and the function of the adjusting assembly 8 is to adjust the position of the wire clamping and fixing member 7 according to the size of the power cord.

[0036] A protective door 3 is movably installed on the surface of the left end of the mounting box 2, and one end of the reverse-threaded screw rod 41 is fixedly connected to a driving motor 5.

[0037] An opening is provided on the surface of the left end of the box body 1. The left end of the mounting box 2 is fixedly connected to the inner surface of the box body 1 at this opening, and the protective door 3 is rotatably installed on the outer surface of this opening. Thus, rotating the protective door 3 can realize the sealing and opening of the mounting box 2. The driving motor 5 is fixedly installed on the surface of the front end of the mounting box 2. Starting the driving motor 5 can drive the reverse-threaded screw rod 41 to rotate, so as to realize the adjustment of the position of the first connecting plate 42.

[0038] The overvoltage protection component 6 includes a second connecting plate 61, the second connecting plate 61 is movably connected to the surface of the first connecting plate 42, a protector 62 is fixedly connected to the surface of the second connecting plate 61, and the fixing bolt 44 is threadedly connected to the inside of the second connecting plate 61.

[0039] Two threaded holes are provided on the surfaces of the second connecting plate 61 near the left and right ends. Each threaded hole can be aligned with the corresponding fixing threaded hole 43 on the surfaces of the two first connecting plates 42, and then the fixing bolt 44 is sequentially threaded into the threaded hole on the surface of the second connecting plate 61 and the fixing threaded hole 43, so as to fix the protector 62 on the surface of the first connecting plate 42 and inside the mounting box 2.

[0040] The wire clamping and fixing member 7 includes a threading groove 71 which is opened on the surface of the rear end of the installation box 2. A clamping block 72 is movably connected inside the threading groove 71, and a threaded plate 73 is fixedly connected to the top of the clamping block 72.

[0041] A plurality of circular grooves are opened on the inner surface of the bottom of the threading groove 71. A clamping block 72 is movably installed on the top of each circular groove. The clamping block 72 is arc-shaped and U-shaped. The two ends of the bottom of each threaded plate 73 are respectively fixedly connected to the top of each clamping block 72. The clamping and fixing of the wire is realized by the cooperation of the clamping block 72 and the circular groove at the bottom of the threading groove 71.

[0042] The adjusting assembly 8 includes a connecting groove 81 which is opened on the surface of the installation box 2 at the top of the threading groove 71. The threaded plate 73 is movably embedded inside the connecting groove 81.

[0043] A connecting groove 81 is opened on the surface of the box body 1 at the top of each clamping block 72. An adjusting threaded rod 82 is rotatably connected inside each connecting groove 81. While the bottom end of the threaded plate 73 is movably embedded inside the connecting groove 81, it is also threadedly connected to the outer surface of the adjusting threaded rod 82.

[0044] An adjusting threaded rod 82 is movably connected inside the connecting groove 81. The threaded plate 73 is threadedly connected to the outer surface of the adjusting threaded rod 82. A bevel gear set 83 is fixedly connected to the top of the adjusting threaded rod 82.

[0045] The bevel gear set 83 is composed of three meshed bevel gears. One gear is fixedly connected to the top of the adjusting threaded rod 82, and the other two gears are respectively meshed with the left and right ends of this gear. And a rod is fixedly connected to one end of each of them. Thus, while the bevel gear set 83 and the adjusting threaded rod 82 are rotated through the two rods, the adjustment can be carried out inside both the box body 1 and the installation box 2.

[0046] The working principle of a high-voltage power distribution cabinet with an overvoltage protection device provided by the present utility model is as follows:

[0047] When it is necessary to install the overvoltage protection component 6, first open the protection door 3, and then start the driving motor 5 to drive the reverse-threaded screw rod 41 to rotate. The two first connecting plates 42 slide relatively or towards each other until the two first connecting plates 42 move to appropriate positions. Then, align the threaded holes on the surface of the second connecting plate 61 with the corresponding fixed threaded holes 43, and thread the fixing bolts 44 into the threaded holes on the surface of the second connecting plate 61 and the fixed threaded holes 43 to fix and install the protector 62 inside the installation box 2. Then, pass the circuit through the inside of the threading groove 71, rotate the rotating rod of the bevel gear set 83, so that the bevel gears in the bevel gear set 83 mesh to drive the adjusting screw rod 82 to rotate. The threaded plate 73 drives the clamping block 72 to move downward to press the surface of the circuit, so as to cooperate with the groove at the bottom of the threading groove 71 to realize the clamping and fixing of the circuit.

[0048] Compared with the related art, a high-voltage power distribution cabinet with an overvoltage protection device provided by the present utility model has the following beneficial effects:

[0049] The present utility model provides a high-voltage power distribution cabinet with an overvoltage protection device. By installing an installation box 2 inside the box body 1, the distance between the two first connecting plates 42 can be adjusted by rotating the reverse-threaded screw rod 41 according to the size of the overvoltage protection component 6. Then, use bolts to thread into the corresponding fixed threaded holes 43, so as to fix the overvoltage protection component 6 on the first connecting plate 42 while facilitating maintenance and disassembly. Moreover, while the circuit can be connected to the components inside the box body 1 through the threading groove 71, the clamping and fixing of the circuit can be realized through the adjusting component 8 to clamp and fix the circuit, thereby preventing the entanglement between the circuits.

[0050] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. All equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, are equally included in the patent protection scope of the present utility model.

Claims

1. A high voltage distribution cabinet with an overvoltage protection device, characterized in that: include: A box body, wherein a mounting box is fixedly mounted inside the box body; A connection and fixing assembly, the connection and fixing assembly is arranged inside the installation box, the connection and fixing assembly comprises a reverse threaded rod, the reverse threaded rod is movably connected to the inner surface of the installation box, a first connection plate is fixedly connected to the surface of the reverse threaded rod, a fixing threaded hole is opened on the surface of the first connection plate, and a fixing bolt is threadedly connected to the inner surface of the fixing threaded hole; an overvoltage protection component, wherein the overvoltage protection component is disposed on a surface of the first connecting plate; A line clamp is fixed, and the line clamp is fixedly arranged at the right end of the installation box; An adjustment component is arranged inside the installation box.

2. A high voltage distribution cabinet with an overvoltage protection device according to claim 1, characterized in that: A protective door is movably mounted on the surface of the left end of the installation box, and a driving motor is fixedly connected to one end of the reverse threaded rod.

3. A high voltage distribution cabinet with an overvoltage protection device according to claim 1, characterized in that: The overpressure protection assembly includes a second connecting plate, the second connecting plate is movably connected to the surface of the first connecting plate, a protector is fixedly connected to the surface of the second connecting plate, and the fixing bolt is threadedly connected to the inside of the second connecting plate.

4. A high voltage distribution cabinet with an overvoltage protection device according to claim 1, characterized in that: The line clamping and fixing comprises a penetration groove, which is opened on the surface of the rear end of the installation box, and the interior of the penetration groove is movably connected with a clamping block, and the top of the clamping block is fixedly connected with a threaded plate.

5. A high voltage distribution cabinet with an overvoltage protection device according to claim 1, characterized in that: The adjusting component comprises a connecting groove, the connecting groove is arranged on the surface of the mounting box at the top of the penetrating groove, and the threaded plate is movably embedded in the connecting groove.

6. A high-voltage power distribution cabinet with an overvoltage protection device according to claim 5, characterized in that: The interior of the connecting groove is movably connected with an adjusting threaded rod, the threaded plate is threadedly connected to the outer surface of the adjusting threaded rod, and the top of the adjusting threaded rod is fixedly connected with a bevel gear set.

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