CN203250684U - Electromagnetic operation mechanism of vacuum circuit breaker - Google Patents
Electromagnetic operation mechanism of vacuum circuit breaker Download PDFInfo
- Publication number
- CN203250684U CN203250684U CN 201320277877 CN201320277877U CN203250684U CN 203250684 U CN203250684 U CN 203250684U CN 201320277877 CN201320277877 CN 201320277877 CN 201320277877 U CN201320277877 U CN 201320277877U CN 203250684 U CN203250684 U CN 203250684U
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- connector
- iron core
- spring
- magnetic conduction
- connecting rod
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Abstract
The utility model relates to an electromagnetic operation mechanism of a vacuum circuit breaker. The mechanism comprises a magnetic conductive hoop, a coil, a movable iron core, a vacuum tube pull bar, an opening spring and an over travel spring. The coil is placed in the magnetic conductive hoop; the vacuum tube pull bar passes through the magnetic conductive hoop and the movable iron core; and the coil is wound outside the movable iron core. The mechanism is characterized in that the vacuum tube pull bar in the magnetic conductive hoop is provided with a positioning flange; the movable iron core is provided with a recessed chamber; one end of the over travel spring butts against the positioning flange, and the other end of the over travel spring butts against the movable iron core; and one end of the opening spring butts against the magnetic conductive hoop, and the other end of the opening spring butts against the movable iron core. Employing the above technical scheme, the utility model provides an electromagnetic operation mechanism of the vacuum circuit breaker; and the mechanism can prevent extraneous interferences on the opening spring and the over travel spring, thereby guaranteeing stable working performance of the vacuum circuit breaker.
Description
Technical field
The utility model relates to the vacuum circuit-breaker field, particularly a kind of electromagnetic operating mechanism of vacuum circuit-breaker.
Background technology
The electromagnetic operating mechanism of existing vacuum circuit-breaker, magnetic conduction hoop, coil, moving iron core, vacuum tube pull bar, tripping spring, overtravel spring have been generally comprised, coil places in the magnetic conduction hoop, described coil winding is outside moving iron core, the vacuum tube pull bar passes magnetic conduction hoop, moving iron core, and described tripping spring and overtravel spring all are arranged on the magnetic conduction hoop outside.During combined floodgate, coil electricity, the effect that moving iron core is subject to electromagnetic force moves upward, and with the adhesive of magnetic conduction hoop, during separating brake, the force action that coil blackout, moving iron core are subject to tripping spring, overtravel spring moves downward.
But, the electromagnetic operating mechanism of the vacuum circuit-breaker of this structure, because described tripping spring and overtravel spring all are arranged on the magnetic conduction hoop outside, the easy like this external environmental interference that is subject to, and then easily cause the vacuum circuit-breaker service behaviour unstable.
Summary of the invention
The purpose of this utility model: in order to overcome the defective of prior art, the utility model provides a kind of electromagnetic operating mechanism of vacuum circuit-breaker, can prevent that tripping spring and overtravel spring are subjected to external environmental interference, thereby can guarantee the vacuum circuit-breaker stable work in work.
The technical solution of the utility model: a kind of electromagnetic operating mechanism of vacuum circuit-breaker, include the magnetic conduction hoop, coil, moving iron core, the vacuum tube pull bar, tripping spring, the overtravel spring, coil places in the magnetic conduction hoop, the vacuum tube pull bar passes the magnetic conduction hoop, moving iron core, described coil winding is outside moving iron core, it is characterized in that: the vacuum tube pull bar that is positioned at the magnetic conduction hoop is provided with locating flange, described moving iron core is provided with cavity, described overtravel spring one end and locating flange are conflicted, the other end and moving iron core are conflicted, described tripping spring one end and magnetic conduction hoop are conflicted, and the other end and moving iron core are conflicted.
Adopt technique scheme, this tripping spring, overtravel spring set-up mode can prevent that tripping spring and overtravel spring are subjected to external environmental interference, thereby can guarantee the vacuum circuit-breaker stable work in work.
Further setting of the present utility model: described tripping spring, overtravel spring all are set on the vacuum tube pull bar, and tripping spring is outside the overtravel spring.
Adopt above-mentioned further setting, can prevent the skew of tripping spring, overtravel spring, so that tripping spring, overtravel spring positioning stablity, reliable.
Again further setting of the present utility model: described coil below is provided with jump ring, and described jump ring is fastened on the location that forms in the magnetic conduction hoop coil.
Adopt above-mentioned more further setting, this coil location mode, simple in structure, easy for installation.
Further setting of the present utility model: described vacuum tube pull bar includes the upper connecting rod body that split arranges, insulator, connector, the lower connecting rod body, insulator, connector is between upper connecting rod body and lower connecting rod body, wherein, connector includes the first connector that is wholely set, the second connector, the diameter of the second connector is greater than lower connecting rod body diameter, the second connector is positioned at the magnetic conduction hoop and forms described locating flange, the upper connecting rod body is connected with the insulator buckle, insulator is connected with the first connector buckle of connector, and the second connector of connector is threaded with the lower connecting rod body.
Adopt above-mentioned further setting, the vacuum tube pull bar set-up mode of this structure, easy for installation, convenient disassembly; Easy to connect between upper connecting rod body, insulator, connector, the lower connecting rod body, reasonable in design.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
Embodiment
As shown in Figure 1, a kind of electromagnetic operating mechanism of vacuum circuit-breaker, include magnetic conduction hoop 1, coil 2, moving iron core 3, vacuum tube pull bar 4, tripping spring 5, overtravel spring 6, coil 2 places in the magnetic conduction hoop 1, vacuum tube pull bar 4 passes magnetic conduction hoop 1, moving iron core 3, described coil 2 windings are outside moving iron core 3, the vacuum tube pull bar 4 that is positioned at magnetic conduction hoop 1 is provided with locating flange, described moving iron core 3 is provided with cavity 31, described overtravel spring 6 one ends and locating flange are conflicted, the other end and moving iron core 3 are conflicted, and described tripping spring 5 one ends and magnetic conduction hoop 1 are conflicted, and the other end and moving iron core 3 are conflicted.
In the utility model specific embodiment, described tripping spring 5, overtravel spring 6 all are set on the vacuum tube pull bar 4, and tripping spring 5 is outside the overtravel spring 6.
In the utility model specific embodiment, described coil 2 belows are provided with jump ring 7, and described jump ring 7 is fastened on the 1 interior formation of magnetic conduction hoop to the location of coil 2.
In the utility model specific embodiment, described vacuum tube pull bar 4 includes the upper connecting rod body 41 that split arranges, insulator 42, connector 43, lower connecting rod body 44, insulator 42, connector 43 is between upper connecting rod body 41 and lower connecting rod body 44, wherein, connector 43 includes the first connector 431 that is wholely set, the second connector 432, the diameter of the second connector 432 is greater than lower connecting rod body 44 diameters, the second connector 432 is positioned at the described locating flange of magnetic conduction hoop 1 formation, upper connecting rod body 41 is connected with insulator 42 buckles, insulator 42 is connected with the first connector 431 buckles of connector 43, and the second connector 432 of connector 43 is threaded with lower connecting rod body 44.
Claims (4)
1. the electromagnetic operating mechanism of a vacuum circuit-breaker, include the magnetic conduction hoop, coil, moving iron core, the vacuum tube pull bar, tripping spring, the overtravel spring, coil places in the magnetic conduction hoop, the vacuum tube pull bar passes the magnetic conduction hoop, moving iron core, described coil winding is outside moving iron core, it is characterized in that: the vacuum tube pull bar that is positioned at the magnetic conduction hoop is provided with locating flange, described moving iron core is provided with cavity, described overtravel spring one end and locating flange are conflicted, the other end and moving iron core are conflicted, described tripping spring one end and magnetic conduction hoop are conflicted, and the other end and moving iron core are conflicted.
2. the electromagnetic operating mechanism of vacuum circuit-breaker according to claim 1, it is characterized in that: described tripping spring, overtravel spring all are set on the vacuum tube pull bar, and tripping spring is outside the overtravel spring.
3. the electromagnetic operating mechanism of vacuum circuit-breaker according to claim 1 and 2 is characterized in that: described coil below is provided with jump ring, and described jump ring is fastened on the location that forms in the magnetic conduction hoop coil.
4. the electromagnetic operating mechanism of vacuum circuit-breaker according to claim 3, it is characterized in that: described vacuum tube pull bar includes the upper connecting rod body that split arranges, insulator, connector, the lower connecting rod body, insulator, connector is between upper connecting rod body and lower connecting rod body, wherein, connector includes the first connector that is wholely set, the second connector, the diameter of the second connector is greater than lower connecting rod body diameter, the second connector is positioned at the magnetic conduction hoop and forms described locating flange, the upper connecting rod body is connected with the insulator buckle, insulator is connected with the first connector buckle of connector, and the second connector of connector is threaded with the lower connecting rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320277877 CN203250684U (en) | 2013-05-17 | 2013-05-17 | Electromagnetic operation mechanism of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320277877 CN203250684U (en) | 2013-05-17 | 2013-05-17 | Electromagnetic operation mechanism of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203250684U true CN203250684U (en) | 2013-10-23 |
Family
ID=49377108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320277877 Expired - Fee Related CN203250684U (en) | 2013-05-17 | 2013-05-17 | Electromagnetic operation mechanism of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203250684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977111A (en) * | 2016-06-29 | 2016-09-28 | 中欧电气有限公司 | Iron core assembly of small sized breaker |
| CN112927981A (en) * | 2021-01-07 | 2021-06-08 | 天津平高智能电气有限公司 | Opening electromagnet of spring operating mechanism |
-
2013
- 2013-05-17 CN CN 201320277877 patent/CN203250684U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977111A (en) * | 2016-06-29 | 2016-09-28 | 中欧电气有限公司 | Iron core assembly of small sized breaker |
| CN112927981A (en) * | 2021-01-07 | 2021-06-08 | 天津平高智能电气有限公司 | Opening electromagnet of spring operating mechanism |
| CN112927981B (en) * | 2021-01-07 | 2023-08-08 | 天津平高智能电气有限公司 | Separating brake electromagnet of spring operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |