CN214672473U - Moving contact structure of indoor sulfur hexafluoride breaker - Google Patents
Moving contact structure of indoor sulfur hexafluoride breaker Download PDFInfo
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- CN214672473U CN214672473U CN202121141743.2U CN202121141743U CN214672473U CN 214672473 U CN214672473 U CN 214672473U CN 202121141743 U CN202121141743 U CN 202121141743U CN 214672473 U CN214672473 U CN 214672473U
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Abstract
A moving contact structure of an indoor sulfur hexafluoride breaker. Relate to electrical equipment, especially relate to a moving contact structure of indoor sulfur hexafluoride circuit breaker. The device comprises a nozzle, an upper contact pipe, a lower contact pipe, a moving arc contact, a supporting pipe, a support, a piston, a pipe seat and a pair of connecting plates, wherein an upper flange is arranged at the top of the lower contact pipe, the bottom of the lower contact pipe is closed and is provided with a U-shaped opening, an inner retainer ring is arranged at the top of the upper contact pipe, a lower flange is arranged at the bottom of the upper contact pipe, the piston is sleeved on the lower contact pipe, the upper contact pipe is arranged above the lower contact pipe, and the lower flange, the upper flange and the piston are connected through bolts; the middle lower part of the nozzle is provided with a step, the middle lower part of the nozzle is arranged in the upper contact pipe, and the step of the nozzle is used for contacting the inner retainer ring. The utility model discloses convenient processing, the installation is reliable.
Description
Technical Field
The utility model relates to an electrical equipment especially relates to a moving contact structure of indoor sulfur hexafluoride circuit breaker.
Background
A sulfur hexafluoride circuit breaker is a circuit breaker using sulfur hexafluoride (SF6) gas as an arc extinguishing medium and an insulating medium, and is abbreviated as SF6 circuit breaker. When sulfur hexafluoride is used as an arc-extinguishing medium in a circuit breaker, the single fracture of the circuit breaker is greatly higher than that of a compressed air circuit breaker and a low-oil circuit breaker in terms of voltage and current parameters due to the excellent characteristics of the gas, and high gas pressure and a considerable number of serial fractures are not required.
The sulfur hexafluoride circuit breaker comprises a fixed contact, a moving contact and other related parts, wherein the moving contact is an arc extinguishing execution part, however, the moving contact in the current sulfur hexafluoride circuit breaker is complex in structure and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, provide a simple structure, the reliable movable contact structure of indoor sulfur hexafluoride circuit breaker of simple to operate.
The technical scheme of the utility model is that: comprises a nozzle, an upper contact pipe, a lower contact pipe, a moving arc contact, a supporting pipe, a support, a piston, a pipe seat and a pair of connecting plates,
the top of the lower contact tube is provided with an upper flange plate, the bottom of the lower contact tube is closed and provided with a U-shaped opening,
the top of the upper contact pipe is provided with an inner retainer ring, the bottom is provided with a lower flange plate,
the piston is sleeved on the lower contact tube, the upper contact tube is arranged above the lower contact tube, and the lower flange plate, the upper flange plate and the piston are connected through bolts;
the middle lower part of the nozzle is provided with a step, the middle lower part of the nozzle is arranged in the upper contact pipe, the step of the nozzle is used for contacting the inner retainer ring,
the support is cylindrical, the support is positioned in a lower opening of the nozzle, the movable arcing contact and the support tube are positioned in the support, the movable arcing contact is arranged above the support tube, and the support tube is arranged on the top surface of the lower contact tube;
the tube seat is connected to the middle lower part of the lower contact tube;
the upper ends of the connecting plates are connected with the U-shaped opening through a pin shaft, and the lower ends of the connecting plates are connected through a pin shaft.
The nozzle is characterized by further comprising a shielding cover, wherein the shielding cover is connected between the supports of the nozzle.
The sealing ring is arranged between the step of the nozzle and the inner retainer ring of the upper contact pipe.
And the outer ring of the piston is provided with a piston ring.
The utility model comprises an upper contact pipe and a lower contact pipe which are arranged up and down, wherein, a nozzle is arranged in the upper contact pipe, and the upper contact pipe and the lower contact pipe are contacted with an inner retainer ring through a step, thus the positioning is reliable;
a support is arranged in the nozzle, a moving arc contact and a support tube are arranged in the support, and the support tube is reliably positioned on the lower contact tube;
meanwhile, the piston, the lower flange plate and the upper flange plate are reliably connected through bolts;
the tube seat plays a role in supporting and fixing the lower contact tube, and the pair of connecting plates are used for connecting the operating mechanism so as to drive the lower contact tube and the upper contact tube to act.
The utility model discloses convenient processing, the installation is reliable.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a cross-sectional view taken along plane a-a of figure 1,
figure 3 is a schematic perspective view of figure 1,
in the figure, 1 is a nozzle, 2 is an upper contact pipe, 3 is a lower contact pipe, 4 is a moving arc contact, 5 is a support pipe, 6 is a support, 7 is a piston, 8 is a pipe seat, 9 is a connecting plate, 10 is an upper flange, 11 is a U-shaped opening, 12 is an inner retainer ring, 13 is a lower flange, 14 is a step, 15 is a pin shaft, 16 is a shielding cover, 17 is a sealing ring, and 18 is a piston ring.
Detailed Description
The utility model is shown in figures 1-3 and comprises a nozzle 1, an upper contact pipe 2, a lower contact pipe 3, a moving arc contact 4, a support pipe 5, a support 6, a piston 7, a pipe seat 8 and a pair of connecting plates 9,
the top of the lower contact tube is provided with an upper flange plate 10, the bottom of the lower contact tube is closed and provided with a U-shaped opening 11,
the top of the upper contact pipe is provided with an inner retainer ring 12, the bottom is provided with a lower flange 13,
the piston 7 is sleeved on the lower contact tube 3, the upper contact tube 3 is arranged above the lower contact tube 2, and the lower flange plate, the upper flange plate and the piston are connected through bolts;
the middle lower part of the nozzle 1 is provided with a step 14, the middle lower part of the nozzle is arranged in the upper contact pipe, the step 14 of the nozzle is used for contacting the inner retainer ring 12,
the support 6 is cylindrical, the support 6 is positioned in the lower opening of the nozzle 1, the moving arc contact 4 and the support tube 5 are positioned in the support, the moving arc contact 4 is arranged above the support tube 5, and the support tube 5 is arranged on the top surface of the lower contact tube 3;
the tube seat 6 is connected to the middle lower part of the lower contact tube;
the pair of connecting plates 9 are arranged in parallel and are respectively arranged at two sides of a U-shaped opening of the lower contact tube, the upper ends of the pair of connecting plates are connected with the U-shaped opening through a pin shaft 15, and the lower ends of the pair of connecting plates are connected through a pin shaft.
The utility model comprises an upper contact pipe and a lower contact pipe which are arranged up and down, wherein, a nozzle is arranged in the upper contact pipe, and the upper contact pipe and the lower contact pipe are contacted with an inner retainer ring through a step, thus the positioning is reliable;
a support is arranged in the nozzle, a moving arc contact and a support tube are arranged in the support, and the support tube is reliably positioned on the lower contact tube;
meanwhile, the piston, the lower flange plate and the upper flange plate are reliably connected through bolts;
the tube seat plays a role in supporting and fixing the lower contact tube, and the pair of connecting plates are used for connecting the operating mechanism so as to drive the lower contact tube and the upper contact tube to act. The operating mechanism is a conventional mechanism and is not described in detail herein.
Also included is a shield 16 connected between the seats of the spout.
A shield is provided for uniform electric field.
The nozzle also comprises a sealing ring 17 which is arranged between the step of the nozzle and the inner retainer ring of the upper contact pipe.
And a sealing ring is arranged to improve the sealing property.
The outer ring of the piston is provided with a piston ring 18.
The piston ring is arranged to play a role in sealing when the moving contact is arranged on the insulating cylinder.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (4)
1. The moving contact structure of the indoor sulfur hexafluoride circuit breaker is characterized by comprising a nozzle, an upper contact pipe, a lower contact pipe, a moving arc contact, a supporting pipe, a support, a piston, a pipe seat and a pair of connecting plates,
the top of the lower contact tube is provided with an upper flange plate, the bottom of the lower contact tube is closed and provided with a U-shaped opening,
the top of the upper contact pipe is provided with an inner retainer ring, the bottom is provided with a lower flange plate,
the piston is sleeved on the lower contact tube, the upper contact tube is arranged above the lower contact tube, and the lower flange plate, the upper flange plate and the piston are connected through bolts;
the middle lower part of the nozzle is provided with a step, the middle lower part of the nozzle is arranged in the upper contact pipe, the step of the nozzle is used for contacting the inner retainer ring,
the support is cylindrical, the support is positioned in a lower opening of the nozzle, the movable arcing contact and the support tube are positioned in the support, the movable arcing contact is arranged above the support tube, and the support tube is arranged on the top surface of the lower contact tube;
the tube seat is connected to the middle lower part of the lower contact tube;
the upper ends of the connecting plates are connected with the U-shaped opening through a pin shaft, and the lower ends of the connecting plates are connected through a pin shaft.
2. The movable contact structure of an indoor sulfur hexafluoride breaker as recited in claim 1, further comprising a shield, said shield being connected between the seats of the nozzle.
3. The movable contact structure of an indoor sulfur hexafluoride circuit breaker as claimed in claim 1 or 2, further comprising a sealing ring, wherein the sealing ring is arranged between the step of the nozzle and the inner retainer ring of the upper contact tube.
4. The movable contact structure of an indoor sulfur hexafluoride circuit breaker as claimed in claim 1, wherein the outer ring of said piston is provided with a piston ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121141743.2U CN214672473U (en) | 2021-05-25 | 2021-05-25 | Moving contact structure of indoor sulfur hexafluoride breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121141743.2U CN214672473U (en) | 2021-05-25 | 2021-05-25 | Moving contact structure of indoor sulfur hexafluoride breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672473U true CN214672473U (en) | 2021-11-09 |
Family
ID=78486787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121141743.2U Active CN214672473U (en) | 2021-05-25 | 2021-05-25 | Moving contact structure of indoor sulfur hexafluoride breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672473U (en) |
-
2021
- 2021-05-25 CN CN202121141743.2U patent/CN214672473U/en active Active
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