CN213303935U - Insulating pull rod for circuit breaker - Google Patents
Insulating pull rod for circuit breaker Download PDFInfo
- Publication number
- CN213303935U CN213303935U CN202022334837.3U CN202022334837U CN213303935U CN 213303935 U CN213303935 U CN 213303935U CN 202022334837 U CN202022334837 U CN 202022334837U CN 213303935 U CN213303935 U CN 213303935U
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- Prior art keywords
- insulator
- connecting rod
- mounting hole
- fixed block
- wall
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- 239000012212 insulator Substances 0.000 claims abstract description 28
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides an insulating pull rod for circuit breaker, includes the insulator, insulator outer wall is provided with a plurality of full skirts along its length direction is fixed, the fixed block that is provided with in the insulator, the mounting hole that is the echelonment about big end to end is seted up at the fixed block center, it is equipped with the connecting rod to insert along its axial in the mounting hole, the connecting rod is the ladder bar structure with mounting hole looks adaptation, the insulator is stretched out downwards to tip under the connecting rod, first one sets up to threaded rod structure and with mounting hole threaded connection on the connecting rod, the insulator upwards stretches out on the connecting rod upper end, the terminal surface has seted up the constant head tank under the fixed block, and. The utility model discloses simple structure, fail safe nature are strong, mechanical strength is high, be convenient for adjust the installation.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, especially, relate to an insulating pull rod for circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition, and capable of closing and opening a current under an abnormal circuit condition within a prescribed time. The insulating pull rod is also called an insulating rod, is an important part in the circuit breaker and is used for closing or opening the high-voltage isolating switch. The existing insulating pull rod is not high enough in mechanical strength, not stable enough in positioning and inconvenient to install in the using process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a simple structure, fail safe nature is strong, mechanical strength is high, be convenient for adjust the insulating pull rod for circuit breaker of installation.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an insulating pull rod for circuit breaker, includes the insulator, insulator outer wall is provided with a plurality of full skirts along its length direction is fixed, the fixed block that is provided with in the insulator, the mounting hole that is the echelonment about big end to end is seted up at the fixed block center, it is equipped with the connecting rod to insert along its axial in the mounting hole, the connecting rod is the ladder bar structure with mounting hole looks adaptation, the insulator is stretched out downwards to tip under the connecting rod, first one sets up to threaded rod structure and with mounting hole threaded connection on the connecting rod, the insulator upwards stretches out on the connecting rod upper end, the terminal surface has seted up the constant head tank under the fixed block, and.
The diameters of the umbrella skirts on the outer wall of the insulator at the upper end and the lower end are larger than the diameter of the umbrella skirt between the upper end and the lower end.
The outer wall of the lower end part of the connecting rod is provided with a mounting groove.
The outer wall of the insulator is provided with at least four sheds.
Adopt above-mentioned technical scheme, the utility model discloses when the work is used, according to actual installation demand, twist the height that the connecting rod adjusted connecting rod upper end, the moving contact in connecting rod upper end and the circuit breaker is connected, and the connecting rod lower extreme is connected with drive mechanism to the switch-on and the disconnection of contact in the drive circuit breaker install elastic element in the constant head tank, provide the reliable contact pressure of contact and divide disconnected speed, the utility model discloses the connecting rod adopts overall structure, on a center axis, connect reliably, and mechanical strength is high, and insulator outer wall is provided with the full skirt and has both improved the mechanical strength of insulating pull rod, has increased the creepage distance of insulating pull rod again, and then has improved insulating properties greatly, and the setting up of position sleeve makes the elastic element installation firm, stable performance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sectional structure of the present invention.
Detailed Description
As shown in fig. 1-2, the utility model discloses an insulating pull rod for circuit breaker, including insulator 1, insulator 1 outer wall is provided with a plurality of full skirts 2 along its length direction is fixed, insulator 1 internal fixation is provided with fixed block 3, the mounting hole that is the echelonment about big at the fixed block 3 center is seted up, it is equipped with connecting rod 4 to insert along its axial in the mounting hole, connecting rod 4 is the ladder bar structure with mounting hole looks adaptation, the tip stretches out insulator 1 downwards under connecting rod 4, connecting rod 4 first portion set up to the threaded rod structure and with mounting hole threaded connection, insulator 1 upwards stretches out in connecting rod 4 upper end, constant head tank 5 has been seted up to the terminal surface under the fixed block 3, and constant head tank 5 is embedded to be equipped with position sleeve 6.
The diameters of the umbrella skirts 2 on the upper end and the lower end of the outer wall of the insulator 1 are larger than the diameter of the umbrella skirt 2 between the upper end and the lower end.
The outer wall of the lower end part of the connecting rod 4 is provided with a mounting groove 7.
The outer wall of the insulator 1 is provided with at least four sheds 2.
The utility model discloses when the work is used, according to the actual installation demand, twist the height of 4 upper ends of connecting rod adjusting connection pole of connecting rod, the moving contact in 4 upper ends of connecting rod and the circuit breaker is connected, and 4 lower extremes of connecting rod are connected with drive mechanism to the switch-on and the disconnection of contact in the drive circuit breaker install elastic element in the constant head tank 5, provide the reliable contact pressure of contact and divide disconnected speed, the utility model discloses connecting rod 4 adopts overall structure, on a center pin line, connect reliably, and mechanical strength is high, and 1 outer wall of insulator is provided with full skirt 2 and has both improved the mechanical strength of insulating pull rod, has increased the creepage distance of insulating pull rod again, and then has improved insulating properties greatly, and the setting of position sleeve 6 makes the elastic element installation firm, stable performance.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (4)
1. An insulating pull rod for a circuit breaker is characterized in that: including the insulator, insulator outer wall is provided with a plurality of full skirts along its length direction is fixed, the fixed block that is provided with in the insulator, the mounting hole that is the echelonment about big is seted up at the fixed block center, it is equipped with the connecting rod to insert along its axial in the mounting hole, the connecting rod is the ladder bar structure with mounting hole looks adaptation, the insulator is stretched out downwards to the tip under the connecting rod, first one sets up to threaded rod structure and with mounting hole threaded connection in the connecting rod, the insulator upwards stretches out to the connecting rod upper end, the constant head tank has been seted up to terminal surface under the fixed block, and the constant head tank is.
2. The insulating tie bar for circuit breakers of claim 1, wherein: the diameters of the umbrella skirts on the outer wall of the insulator at the upper end and the lower end are larger than the diameter of the umbrella skirt between the upper end and the lower end.
3. The insulating tie bar for circuit breakers of claim 2, wherein: the outer wall of the lower end part of the connecting rod is provided with a mounting groove.
4. The insulating tie bar for circuit breakers of claim 3, wherein: the outer wall of the insulator is provided with at least four sheds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334837.3U CN213303935U (en) | 2020-10-20 | 2020-10-20 | Insulating pull rod for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334837.3U CN213303935U (en) | 2020-10-20 | 2020-10-20 | Insulating pull rod for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303935U true CN213303935U (en) | 2021-05-28 |
Family
ID=76013699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022334837.3U Active CN213303935U (en) | 2020-10-20 | 2020-10-20 | Insulating pull rod for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213303935U (en) |
-
2020
- 2020-10-20 CN CN202022334837.3U patent/CN213303935U/en active Active
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