Closing mechanism of arc-proof high-voltage switch

Abstract

The utility model relates to the technical field of closing mechanisms of high-voltage switches, and discloses a closing mechanism of an arc-proof high-voltage switch, which comprises a mounting rack, three first insulators are fixedly connected to the left side surface of the mounting rack, and an arc extinguishing mechanism is arranged on the left side of the mounting rack; the arc extinguishing mechanism comprises three supporting plates, the three supporting plates are all arranged on the left side of the mounting frame, the bottom surface of each supporting plate is fixedly connected with two fixing plates, the right side surface of each fixing plate is fixedly connected with the left side surface of the mounting frame, the left side surface of the mounting frame is fixedly connected with three second insulators, and the left side surface of the mounting frame is fixedly connected with the three second insulators. The left end of each second insulator is fixedly connected with a conductive clamping seat, and the outer surface of each second insulator is fixedly connected with a ceramic seat. According to the closing mechanism of the arc-proof high-voltage switch, when the closing mechanism of the high-voltage switch is closed, the generation of an arc can be better prevented, the damage of an electric device of the high-voltage switch caused by the arc is reduced, and the use safety of the closing mechanism of the high-voltage switch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage switch closing mechanism technical field, specifically a kind of closing mechanism of arc-proof high-voltage switch. BACKGROUND

[0002] High-voltage switch is rated voltage 3kV and above mainly used for breaking and closing and closing electric circuit electric appliance, when high-voltage switch is in conduction state, circuit can be closed, and the current that flows can provide certain power or signal to outside;And when high-voltage switch is in open state, circuit will not be conducted, and current no longer flows, high-voltage switch plays an important role, can accurately control the working condition of electric appliance system.

[0003] The utility model discloses high -voltage switch, high -voltage switch main part, high -voltage switch bottom is fixedly provided with base, the base side is equipped with mounting mechanism, and the mounting mechanism includes mounting block, spring slot, spring, protection block, side block, positioning slot and positioning column.

[0004] The above technical scheme is high in protection of bolts, can reduce the erosion of bolts due to rain and other environmental problems, and the protection block is convenient to control, so that the bolts are disassembled, and the high-voltage switch body is safe when installed and fixed outdoors, but the above technical scheme, the closing mechanism of high-voltage switch, when being used, due to the strong current carried in high-voltage switch, the high-voltage switch closing mechanism will generate larger arc when closing due to strong current, and the high-voltage switch closing mechanism cannot better prevent arc from generating when closing, so that arc can seriously damage other components on high-voltage switch, greatly affecting the use safety of high-voltage switch closing mechanism.

[0005] Therefore, the person skilled in the art provides a closing mechanism of arc-proof high-voltage switch to solve the problems raised in the above background. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a closing mechanism of arc-proof high-voltage switch to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A closing mechanism of arc-proof high-voltage switch, including mounting frame, the left side of the mounting frame is fixedly connected with three first insulators, and the left side of the mounting frame is provided with arc extinguishing mechanism;

[0009] The arc extinguishing mechanism comprises three support plates, two fixing plates are fixedly connected to the bottom surface of each support plate, the right side surface of each fixing plate is fixedly connected with the left side surface of the mounting rack, three second insulators are fixedly connected with the left side surface of the mounting rack, a conductive clamping seat is fixedly connected with the left end of each second insulator, a ceramic seat is fixedly connected with the outer surface of each second insulator, a conductive clamping block is clamped in the inside of each conductive clamping seat, a clamping frame is movably hinged to the left end of each first insulator, each conductive clamping block is clamped in the inside of the clamping frame, a ceramic cover is fixedly connected to the outer surface of each clamping frame, the ceramic cover is sleeved outside the ceramic seat, a connecting plate is fixedly connected to the front surface and the back surface of each support plate, a compression spring is fixedly connected to the side surface of each group of connecting plates close to each other, the number of each group of connecting plates is two, a ceramic sleeve is fixedly connected to the other end of each compression spring, the bottom surface of each ceramic sleeve is in contact with the upper surface of the support plate, a sliding groove is formed in the upper surface of each support plate, a sliding column is movably connected in the inside of each sliding groove, the top end of each sliding column is fixedly connected with the bottom surface of the ceramic sleeve, a connecting rod is movably connected to the outer surface of each sliding column, a moving seat is rotatably connected to the other end of each group of connecting rods, the number of each group of connecting rods is two, a rotating rod is rotatably connected in the inside of each moving seat, the outer surface of each rotating rod is in contact with the right side surface of the clamping frame.

[0010] As a further scheme of the utility model: the front surface and the back surface of the mounting rack are fixedly connected with a plurality of positioning plates, positioning holes are formed in the left side surface of each positioning plate.

[0011] As a further scheme of the utility model: the left side surface of the mounting rack is fixedly connected with three third insulators, the left end of each third insulator is fixedly connected with a high-voltage fuse.

[0012] As a further scheme of the utility model: the inner bottom wall of each ceramic seat is fixedly connected with a ceramic sealing frame, the outer surface of each ceramic sealing frame is in contact with the inner wall of the ceramic cover.

[0013] As a further scheme of the utility model: the side surface of each group of connecting plates close to each other is fixedly connected with a reinforcing block, the bottom surface of each reinforcing block is fixedly connected with the upper surface of the support plate.

[0014] As a further scheme of the utility model: the upper surface of each support plate is movably connected with two auxiliary blocks, the upper surface of each auxiliary block is fixedly connected with the bottom surface of the ceramic sleeve.

[0015] As a further scheme of the utility model: the upper surface of each mobile seat is fixedly connected with a sliding bar, and each sliding bar is slidably connected with the bottom surface of the support plate.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses a ceramic cover is covered to the clamping position of the conductive clamping block and the conductive clamping seat, when the conductive clamping block and the conductive clamping seat are clamped, the good arc extinguishing performance of the ceramic cover of ceramic material can effectively inhibit the electric arc leakage, when the conductive clamping block and the conductive clamping seat separate, the contact between the conductive clamping block and the conductive clamping seat can be quickly cut off through the combination of two ceramic sleeves, the electric arc generated when the conductive clamping block and the conductive clamping seat separate can be quickly extinguished, the high-voltage switch closing mechanism can better prevent the electric arc from being generated when closing, the high-voltage switch electric device damage caused by the electric arc is reduced, and the use safety of the high-voltage switch closing mechanism is increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a kind of the structure diagram of the closing mechanism of arc-proof high-voltage switch;

[0019] Figure 2 It is the second insulator in the closing mechanism of arc-proof high-voltage switch three-dimensional structure schematic diagram;

[0020] Figure 3 It is the support plate in the closing mechanism of arc-proof high-voltage switch three-dimensional structure schematic diagram;

[0021] Figure 4 It is the clamping frame in the closing mechanism of arc-proof high-voltage switch three-dimensional structure schematic diagram;

[0022] Figure 5 It is the mobile seat in the closing mechanism of arc-proof high-voltage switch three-dimensional structure schematic diagram.

[0023] In the drawing: 1, mounting frame;2, first insulator;3, arc extinguishing mechanism;301, support plate;302, fixed plate;303, second insulator;304, conductive clamping seat;305, ceramic seat;306, conductive clamping block;307, clamping frame;308, ceramic cover;309, connecting plate;310, compression spring;311, ceramic sleeve;312, sliding groove;313, sliding column;314, connecting rod;315, mobile seat;316, rotating rod;4, positioning plate;5, positioning hole;6, third insulator;7, high-voltage fuse;8, ceramic sealing frame;9, reinforcing block;10, auxiliary block;11, sliding bar. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-5The utility model provides an arc -proof high -voltage switch closing mechanism, including the mounting frame 1, three first insulators 2 are fixedly connected to the left side of mounting frame 1, and the left side of mounting frame 1 is provided with arc -extinguishing mechanism 3, the front and back of mounting frame 1 are fixedly connected with a plurality of positioning plates 4, the left side of a plurality of positioning plates 4 is all set up with the positioning hole 5, and the positioning plate 4 cooperates positioning hole 5 and bolt fixed part and can fix mounting frame 1 in the working position, increases the installation convenience and firmness of mounting frame 1.

[0025] Arc -extinguishing mechanism 3 includes three support plates 301, three support plates 301 are all set up in the left side of mounting frame 1, the bottom of each support plate 301 is fixedly connected with two fixed plates 302, the right side of each fixed plate 302 is fixedly connected with the left side of mounting frame 1, the left side of mounting frame 1 is fixedly connected with three third insulators 6, and the left end of each third insulator 6 is fixedly connected with high -voltage fuse 7, and by the cooperation of third insulator 6 and high -voltage fuse 7, the normal operation of high -voltage switch protection work can be ensured.

[0026] The left side of mounting frame 1 is fixedly connected with three second insulators 303, the left end of each second insulator 303 is fixedly connected with the electrically conductive card seat 304, the outer surface of each second insulator 303 is fixedly connected with the ceramic seat 305, the inside of each electrically conductive card seat 304 is clamped with the electrically conductive card block 306, the left end of each first insulator 2 is movably hinged with the clamping frame 307, each electrically conductive card block 306 is clamped in the inside of clamping frame 307, the outer surface of each clamping frame 307 is fixedly connected with the ceramic cover 308, each ceramic cover 308 is sleeved outside ceramic seat 305, the inner bottom wall of each ceramic seat 305 is fixedly connected with the ceramic sealing frame 8, the outer surface of each ceramic sealing frame 8 is in contact with the inner wall of ceramic cover 308, and the ceramic sealing frame 8 can further close the gap between ceramic seat 305 and ceramic cover 308, so that the arc -extinguishing effect of ceramic cover 308 is more superior.

[0027] The front and back of each support plate 301 are fixedly connected with the connecting plate 309, the side of the three groups of connecting plates 309 close to each other is fixedly connected with the compression spring 310, the number of each group of connecting plates 309 is two, the side of each group of connecting plates 309 close to each other is fixedly connected with the reinforcing block 9, and the bottom of each reinforcing block 9 is fixedly connected with the upper surface of support plate 301, the reinforcing block 9 can increase the connection firmness of connecting plate 309 and support plate 301, so that the connecting plate 309 and support plate 301 are not prone to looseness, and the pressure strength of connecting plate 309 is improved.

[0028] The other end of each compression spring 310 is fixedly connected with a ceramic sleeve 311, the bottom surface of each ceramic sleeve 311 is in contact with the upper surface of the support plate 301, the upper surface of each support plate 301 is provided with a sliding groove 312, the inside of each sliding groove 312 is slidably connected with a sliding column 313, the top end of each sliding column 313 is fixedly connected with the bottom surface of the ceramic sleeve 311, the upper surface of each support plate 301 is slidably connected with two auxiliary blocks 10, the upper surface of each auxiliary block 10 is fixedly connected with the bottom surface of the ceramic sleeve 311, the sliding stability of the ceramic sleeve 311 can be improved by sliding the auxiliary block 10 in the support plate 301, and the sliding of the ceramic sleeve 311 is more stable and reliable.

[0029] The outer surface of each sliding column 313 is slidably connected with a connecting rod 314, the other end of each group of connecting rods 314 is rotatably connected with a moving seat 315, the number of each group of connecting rods 314 is two, the inside of each moving seat 315 is rotatably connected with a rotating rod 316, the outer surface of each rotating rod 316 is in contact with the right side of the clamping frame 307, the upper surface of each moving seat 315 is fixedly connected with a sliding bar 11, each sliding bar 11 is slidably connected with the bottom surface of the support plate 301, the sliding bar 11 can prevent the moving seat 315 from shaking excessively while not affecting the smooth movement of the moving seat 315, and the use effect of the moving seat 315 is guaranteed.

[0030] The working principle of the utility model is: when it is needed to separate the conductive clamping block 306 from the conductive clamping seat 304, only need to pull the clamping frame 307 to forcibly pull out the conductive clamping block 306 from the conductive clamping seat 304, in the process of separating the conductive clamping block 306 from the conductive clamping seat 304, electric arc will be generated between the conductive clamping block 306 and the conductive clamping seat 304, but when the clamping frame 307 swings to the left along the first insulator 2 hinged point, the clamping frame 307 will lose the pressure on the rotating rod 316 and the moving seat 315, at this time, the elastic force provided by the compression spring 310 cooperates with the connecting plate 309, namely, two ceramic sleeves 311 are pushed to approach each other under the assistance of the sliding groove 312 and the sliding column 313 until contact, the conductive clamping seat 304 is completely covered by the ceramic seat 305 and the ceramic sealing frame 8, and the electric arc between the conductive clamping block 306 and the conductive clamping seat 304 is cut off, when it is needed to clamp the conductive clamping block 306 into the conductive clamping seat 304 to make electricity, only need to push the clamping frame 307 to swing reversely, when the clamping frame 307 moves, it will first contact the rotating rod 316, and push the moving seat 315 to move rightwards through the rotation of the rotating rod 316, when the moving seat 315 moves rightwards, two ceramic sleeves 311 can be pushed to separate from each other through the connecting rod 314 and the sliding column 313 to expose the conductive clamping seat 304, and the compression spring 310 is forced to contract to accumulate elastic force, when the conductive clamping block 306 is successfully clamped into the conductive clamping seat 304 through the plastic deformation of the conductive clamping seat 304, because the clamping strength of the conductive clamping block 306 and the conductive clamping seat 304 is greater than the elastic force of the compression spring 310, the connection tightness of the conductive clamping block 306 and the conductive clamping seat 304 can be ensured, and when the conductive clamping block 306 is clamped into the conductive clamping seat 304, the ceramic cover 308 will also contact the ceramic seat 305 to seal the conductive clamping block 306 and the conductive clamping seat 304 after clamping, so that the electric arc in the clamping process of the conductive clamping block 306 and the conductive clamping seat 304 is not easy to leak outward, the high-voltage switch closing mechanism can better prevent electric arc from being generated when the high-voltage switch closing mechanism is closed, the damage of high-voltage switch electrical devices caused by electric arc is reduced, and the use safety of the high-voltage switch closing mechanism is greatly increased.

[0031] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A closing mechanism of an arc-proof high voltage switch comprising a mounting frame (1), characterized in that: The left side of the mounting frame (1) is fixedly connected with three first insulators (2), and the left side of the mounting frame (1) is provided with an arc extinguishing mechanism (3). The arc extinguishing mechanism (3) comprises three support plates (301), and the three support plates (301) are arranged on the left side of the mounting frame (1). The bottom surface of each support plate (301) is fixedly connected with two fixed plates (302), and the right side surface of each fixed plate (302) is fixedly connected with the left side surface of the mounting frame (1). The left side surface of the mounting frame (1) is fixedly connected with three second insulators (303), and the left end of each second insulator (303) is fixedly connected with a conductive clamping seat (304). The outer surface of each second insulator (303) is fixedly connected with a ceramic seat (305), and the inside of each conductive clamping seat (304) is clamped with a conductive clamping block (306). The left end of each first insulator (2) is movably hinged with a clamping frame (307), each conductive clamping block (306) is clamped in the inside of the clamping frame (307), the outer surface of each clamping frame (307) is fixedly connected with a ceramic cover (308), each ceramic cover (308) is sleeved outside the ceramic seat (305), the front surface and the back surface of each support plate (301) are fixedly connected with a connecting plate (309), and the side surface of the three groups of connecting plates (309) close to each other is fixedly connected with a compression spring (310). The number of each group of connecting plates (309) is two, the other end of each compression spring (310) is fixedly connected with a ceramic sleeve (311), the bottom surface of each ceramic sleeve (311) is in contact with the upper surface of the support plate (301), the upper surface of each support plate (301) is provided with a sliding groove (312), the inside of each sliding groove (312) is slidably connected with a sliding column (313), the top end of each sliding column (313) is fixedly connected with the bottom surface of the ceramic sleeve (311), the outer surface of each sliding column (313) is slidably connected with a connecting rod (314), the other end of each group of connecting rods (314) is rotatably connected with a moving seat (315), the number of each group of connecting rods (314) is two, the inside of each moving seat (315) is rotatably connected with a rotating rod (316), and the outer surface of each rotating rod (316) is in contact with the right side surface of the clamping frame (307).

2. A closing mechanism for an arc-resistant high voltage switch according to claim 1, characterized in that: The front surface and the back surface of the mounting frame (1) are fixedly connected with a plurality of positioning plates (4), and the left side surface of each positioning plate (4) is provided with a positioning hole (5).

3. A closing mechanism for an arc-resistant high voltage switch according to claim 1, characterized in that: The left side of the mounting frame (1) is fixedly connected with three third insulators (6), and the left end of each third insulator (6) is fixedly connected with a high-voltage fuse (7).

4. A closing mechanism for an arc-resistant high voltage switch according to claim 1, characterized in that: The inner bottom wall of each ceramic seat (305) is fixedly connected with a ceramic sealing frame (8), and the outer surface of each ceramic sealing frame (8) is in contact with the inner wall of the ceramic cover (308).

5. A closing mechanism for an arc-resistant high voltage switch according to claim 1, characterized in that: The side surface close to each other of the connecting plates (309) is fixedly connected with a reinforcing block (9), and the bottom surface of each reinforcing block (9) is fixedly connected with the upper surface of the supporting plate (301).

6. A closing mechanism for an arc-resistant high voltage switch according to claim 1, characterized in that: The upper surface of each supporting plate (301) is slidably connected with two auxiliary blocks (10), and the upper surface of each auxiliary block (10) is fixedly connected with the bottom surface of the ceramic sleeve (311).

7. A closing mechanism for an arc-resistant high voltage switch according to claim 1, characterized in that: The upper surface of each moving seat (315) is fixedly connected with a sliding bar (11), and each sliding bar (11) is slidably connected with the bottom surface of the supporting plate (301).

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