CN215680494U - Isolator that contact effect is good - Google Patents

Isolator that contact effect is good Download PDF

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Publication number
CN215680494U
CN215680494U CN202121022107.8U CN202121022107U CN215680494U CN 215680494 U CN215680494 U CN 215680494U CN 202121022107 U CN202121022107 U CN 202121022107U CN 215680494 U CN215680494 U CN 215680494U
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CN
China
Prior art keywords
contact
connecting plate
operating ring
insulator
plate
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Active
Application number
CN202121022107.8U
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Chinese (zh)
Inventor
徐峰亮
王鹏
张孝刚
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Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Priority to CN202121022107.8U priority Critical patent/CN215680494U/en
Application granted granted Critical
Publication of CN215680494U publication Critical patent/CN215680494U/en
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Abstract

The utility model relates to an isolating switch with good contact effect, which comprises a base, wherein a left insulator and a right insulator are fixedly arranged on the upper side of the base, a connecting plate A and a connecting plate B are respectively fixed with the left insulator and the right insulator, the connecting plate A with a static contact A is arranged above the insulators, a hinged support with a hinge shaft is arranged in the middle of the connecting plate A, a moving contact can rotate in the hinged support through the hinge shaft, an operating ring with a hanging hole is arranged on the right side of the moving contact, a clamping plate is hinged to the rear side of the operating ring, a top hook and a top shaft are arranged on the upper side of the clamping plate, the operating ring can be moved through the hanging hole, the top hook and the top shaft, the moving contact is driven to move, the connecting plate B with the static contact B is arranged above the right insulator, and the clamping plate can be hooked with the lower side of the static contact B through a bottom hook in a clamping mode to prevent the moving contact from falling off accidentally; the utility model has the characteristics of simple and convenient operation, labor saving, high efficiency and good contact effect.

Description

Isolator that contact effect is good
Technical Field
The utility model belongs to the technical field of power systems, and particularly relates to an isolating switch with a good contact effect.
Background
An isolating switch (commonly called as a knife switch) generally refers to a high-voltage isolating switch, and is mainly used for switching a load live high-voltage line and electrically isolating the live high-voltage line from electrical equipment such as a high-voltage bus or a breaker to be overhauled in an outdoor alternating current 10-40.5kv and 50HZ power system, and the knife switch in a distribution network is widely used along with the continuous expansion of urban and rural distribution networks, but the existing knife switch has the following common defects: firstly, the switch operating ring is too little, and the operating rod should not put into the operating ring when the pole is operated down, and greatly reduced operating efficiency has operating personnel to directly jack up the switch edge of a knife operation with the operating rod even, very easily arouses the switch gap, and secondly switch sound contact department area undersize arouses the component easily and generates heat, leads to the circuit tripping operation, and when the contact effect is not good, arouses circuit fault easily.
Disclosure of Invention
The utility model aims to provide a disconnecting switch with good contact effect, which is used for solving the problem of poor contact effect of the disconnecting switch.
The purpose of the utility model is realized as follows: an isolating switch with good contact effect comprises a base, wherein a left insulator and a right insulator are respectively arranged on the left side and the right side of the base, a connecting plate A is arranged above the left insulator, a static contact A is arranged on the right side of the connecting plate A, an auxiliary contact is arranged on the outer side of the static contact A, a hollow groove is formed in the auxiliary contact, a pressing plate is arranged on the outer side of the hollow groove, connecting rods are respectively arranged at the upper end and the lower end of the pressing plate, a hinged support is arranged in the middle of the connecting plate A, a hinged shaft is arranged on the upper side of the hinged support, a moving contact is arranged in the hinged support, an operating ring is arranged on the right side of the moving contact, a hanging hole is formed in the middle of the operating ring, a clamping plate is arranged on the rear side of the operating ring, a top hook is arranged on the upper side of the clamping plate, a top shaft is arranged at the upper end of the top hook, a bottom hook is arranged on the lower side of the clamping plate, and a connecting plate B is arranged above the right insulator, a static contact B is arranged on the left side of the connecting plate B, and a clamping protrusion is arranged on the lower side of the static contact B.
The connecting plate A and the connecting plate B are both internally provided with fixing holes.
And a telescopic spring is arranged in the empty groove.
The end part of the connecting rod is provided with a limiting block.
A fixing bolt is arranged between the operating ring and the moving contact, and a positioning shaft is arranged between the operating ring and the clamping plate.
And the left sides of the operating ring and the clamping plate are provided with return springs.
And auxiliary contacts are arranged on the outer sides of the static contact A and the static contact B.
The outer surface of the connecting rod is arc-shaped.
The utility model has the beneficial effects that: when the device is used, the connecting plate A and the connecting plate B are respectively fixed with the left insulator and the right insulator, the connecting plate A is hinged with the moving contact through the hinged support, when the isolating switch needs to be closed, the operating rod penetrates through the hanging hole to drive the moving contact to rotate around the hinged support, the right end of the moving contact is connected with the static contact B in a clamping mode, the bottom hook is hooked with the clamping protrusion, the moving contact and the static contact B can be prevented from falling off, auxiliary contacts are arranged on the outer sides of the static contact A and the static contact B, the pressing plate with the connecting rod is arranged inside the auxiliary contacts, the moving contact is contacted with the pressing plate, the pressing plate provides extrusion force for the moving contact, and the moving contact can be well contacted with the static contact A and the static contact B.
Drawings
Fig. 1 is a front view of a disconnector with good contact effect according to the utility model.
Fig. 2 is a schematic view of a moving contact connection structure of an isolating switch with a good contact effect.
Fig. 3 is a sectional view of an auxiliary contact structure of a disconnecting switch with good contact effect according to the utility model.
Fig. 4 is a rear view of an operating ring of a disconnecting switch with good contact effect according to the utility model.
In the figure: 1. the device comprises a base 2, a left insulator 3, a right insulator 4, a connecting plate A5, a connecting plate B6, a fixing hole 7, a static contact A8, an auxiliary contact 9, a hollow groove 10, a telescopic spring 11, a pressing plate 12, a connecting rod 13, a limiting block 14, a hinged support 15, a hinged shaft 16, a movable contact 17, an operating ring 18, a fixing bolt 19, a hanging hole 20, a clamping plate 21, a positioning shaft 22, a top hook 23, a top shaft 24, a bottom hook 25, a return spring 26, a static contact B27 and a clamping protrusion.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, an isolating switch with good contact effect comprises a base 1, a left insulator 2 and a right insulator 3 are respectively arranged on the left side and the right side of the base 1, a connecting plate a4 is arranged above the left insulator 2, a static contact a7 is arranged on the right side of the connecting plate a4, an auxiliary contact 8 is arranged on the outer side of the static contact a7, a hollow groove 9 is arranged inside the auxiliary contact 8, a pressing plate 11 is arranged on the outer side of the hollow groove 9, connecting rods 12 are arranged at the upper end and the lower end of the pressing plate 11, a hinged support 14 is arranged in the middle of the connecting plate a4, a hinged shaft 15 is arranged on the upper side of the hinged support 14, a movable contact 16 is arranged inside the hinged support 14, an operating ring 17 is arranged on the right side of the movable contact 16, a hanging hole 19 is arranged in the middle of the operating ring 17, a snap-plate 20 is arranged on the rear side of the operating ring 17, a top hook 22 is arranged on the upper side of the snap-plate 20, the upper end of the top hook 22 is provided with a top shaft 23, the lower side of the clamping plate 20 is provided with a bottom hook 24, a connecting plate B5 is arranged above the right insulator 3, the left side of the connecting plate B5 is provided with a static contact B26, and the lower side of the static contact B26 is provided with a clamping protrusion 27.
When the utility model is used, a left insulator 2 and a right insulator 3 are fixedly arranged on the upper side of a base 1, a connecting plate A4 with a static contact A7 is arranged above the left insulator 2, an auxiliary contact 8 is arranged outside a static contact A7, a hollow groove 9 is arranged inside the auxiliary contact 8, a pressure plate 11 with a connecting rod 12 is arranged outside the hollow groove 9, the connecting rod 12 can move inside the hollow groove 9, a hinged support 14 with a hinge shaft 15 is arranged in the middle of the connecting plate A4, a movable contact 16 can rotate inside the hinged support 14 through the hinge shaft 15, an operating ring 17 with a hanging hole 19 is arranged on the right side of the movable contact 16, a clamping plate 20 is hinged on the rear side of the operating ring 17, a top hook 22 and a top shaft 23 are arranged on the upper side of the clamping plate 20, the operating ring 17 can be moved through the hanging hole 19, the top hook 22 and the top shaft 23 to further drive the movable contact 16 to move, a connecting plate B5 with a static contact B26 is arranged above the right insulator 3, the clamping plate 20 can be hung with a clamping protrusion 27 on the lower side of a B26 through a bottom hook 24, the moving contact 16 is prevented from falling off accidentally, and the utility model has the characteristics of simple operation, labor saving, high efficiency and good contact effect.
Example 2
As shown in fig. 1-4, an isolating switch with good contact effect comprises a base 1, a left insulator 2 and a right insulator 3 are respectively arranged on the left side and the right side of the base 1, a connecting plate a4 is arranged above the left insulator 2, a static contact a7 is arranged on the right side of the connecting plate a4, an auxiliary contact 8 is arranged on the outer side of the static contact a7, a hollow groove 9 is arranged inside the auxiliary contact 8, a pressing plate 11 is arranged on the outer side of the hollow groove 9, connecting rods 12 are arranged at the upper end and the lower end of the pressing plate 11, a hinged support 14 is arranged in the middle of the connecting plate a4, a hinged shaft 15 is arranged on the upper side of the hinged support 14, a movable contact 16 is arranged inside the hinged support 14, an operating ring 17 is arranged on the right side of the movable contact 16, a hanging hole 19 is arranged in the middle of the operating ring 17, a snap-plate 20 is arranged on the rear side of the operating ring 17, a top hook 22 is arranged on the upper side of the snap-plate 20, the upper end of the top hook 22 is provided with a top shaft 23, the lower side of the clamping plate 20 is provided with a bottom hook 24, a connecting plate B5 is arranged above the right insulator 3, the left side of the connecting plate B5 is provided with a static contact B26, and the lower side of the static contact B26 is provided with a clamping protrusion 27.
For better effect, the connecting plate A4 and the connecting plate B5 are both internally provided with fixing holes 6, and the connecting plate A4 and the connecting plate B5 can be fixedly positioned through the fixing holes 6.
For better effect, the hollow groove 9 is internally provided with a telescopic spring 10.
For better effect, the end of the connecting rod 12 is provided with a limit block 13, and the limit block 13 can prevent the connecting rod 12 from separating from the empty groove 9.
For better effect, a fixing bolt 18 is arranged between the operating ring 17 and the movable contact 16, and a positioning shaft 21 is arranged between the operating ring 17 and the clamping plate 20.
For better effect, the operation ring 17 and the left side of the clamping plate 20 are provided with a return spring 25, and the return spring 25 can continuously provide tension for the clamping plate 20.
For better effect, the outer sides of the fixed contact A7 and the fixed contact B26 are both provided with auxiliary contacts 8.
For better effect, the outer surface of the connecting rod 12 is arc-shaped, so that the movable contact 16 can be conveniently clamped.
When the utility model is used, a left insulator 2 and a right insulator 3 are arranged above a base 1, a connecting plate A4 and a connecting plate B5 are respectively fixed with the left insulator 2 and the right insulator 3 through a fixing hole 6, the connecting plate A4 is hinged with a movable contact 16 through a hinged support 14, when an isolating switch needs to be closed, an operating rod passes through a hanging hole 19 to drive the movable contact 16 to rotate around the hinged support 14, the movable contact 16 is attached to a fixed contact A7 and a fixed contact B26, the right end of the movable contact 16 is clamped with a fixed contact B26, a bottom hook 24 is hooked with a clamping protrusion 27, a reset spring 25 can provide tension for the bottom hook 24 to prevent the movable contact 16 and the fixed contact B26 from falling off, auxiliary contacts 8 are arranged on the outer sides of the fixed contacts A7 and the fixed contact B26, a pressing plate 11 with a connecting rod 12 is arranged inside the auxiliary contacts 8, when the movable contact 16 is contacted with the pressing plate 11, the pressing plate 11 provides extrusion force for the movable contact 16 through a telescopic spring 10, the movable contact 16 can be well contacted with a fixed contact A7 and a fixed contact B26, the pressing plate 11 and the auxiliary contact 8 can also be used as contact elements, the contact area of the movable contact 16 with a connecting plate A4 and a connecting plate B5 is increased, when the movable contact 16 needs to be disconnected, the operating rod 17 is connected with the hanging hole 19, the top hook 22 and the top shaft 23 to form the movable operating ring 17, the operation is simple and labor-saving, the clamping plate 20 rotates around the positioning shaft 21, the bottom hook 24 is separated from the clamping protrusion 27, and the movable contact 16 is lifted.

Claims (8)

1. The utility model provides a contact respond well isolator, it includes the base, its characterized in that: the left side and the right side of the base are respectively provided with a left insulator and a right insulator, a connecting plate A is arranged above the left insulator, a static contact A is arranged on the right side of the connecting plate A, an auxiliary contact is arranged on the outer side of the static contact A, a hollow groove is arranged in the auxiliary contact, a pressing plate is arranged on the outer side of the hollow groove, connecting rods are arranged at the upper end and the lower end of the pressing plate respectively, a hinged support is arranged in the middle of the connecting plate A, a hinged shaft is arranged on the upper side of the hinged support, a moving contact is arranged in the hinged support, an operating ring is arranged on the right side of the moving contact, a hanging hole is arranged in the middle of the operating ring, a clamping plate is arranged on the rear side of the operating ring, a top hook is arranged on the upper side of the clamping plate, a top shaft is arranged at the upper end of the top hook, a bottom hook is arranged on the lower side of the clamping plate, a connecting plate B is arranged above the right insulator, and a static contact B is arranged on the left side of the connecting plate B, and a clamping bulge is arranged at the lower side of the static contact B.
2. The isolating switch with good contact effect as claimed in claim 1, wherein: the connecting plate A and the connecting plate B are both internally provided with fixing holes.
3. The isolating switch with good contact effect as claimed in claim 1, wherein: and a telescopic spring is arranged in the empty groove.
4. The isolating switch with good contact effect as claimed in claim 1, wherein: the end part of the connecting rod is provided with a limiting block.
5. The isolating switch with good contact effect as claimed in claim 1, wherein: a fixing bolt is arranged between the operating ring and the moving contact, and a positioning shaft is arranged between the operating ring and the clamping plate.
6. The isolating switch with good contact effect as claimed in claim 1, wherein: and the left sides of the operating ring and the clamping plate are provided with return springs.
7. The isolating switch with good contact effect as claimed in claim 1, wherein: and auxiliary contacts are arranged on the outer sides of the static contact A and the static contact B.
8. The isolating switch with good contact effect as claimed in claim 1, wherein: the outer surface of the connecting rod is arc-shaped.
CN202121022107.8U 2021-05-13 2021-05-13 Isolator that contact effect is good Active CN215680494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121022107.8U CN215680494U (en) 2021-05-13 2021-05-13 Isolator that contact effect is good

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121022107.8U CN215680494U (en) 2021-05-13 2021-05-13 Isolator that contact effect is good

Publications (1)

Publication Number Publication Date
CN215680494U true CN215680494U (en) 2022-01-28

Family

ID=79972025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121022107.8U Active CN215680494U (en) 2021-05-13 2021-05-13 Isolator that contact effect is good

Country Status (1)

Country Link
CN (1) CN215680494U (en)

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