CN204596700U - A kind of vacuum circuit-breaker combined floodgate locking device - Google Patents
A kind of vacuum circuit-breaker combined floodgate locking device Download PDFInfo
- Publication number
- CN204596700U CN204596700U CN201520295600.5U CN201520295600U CN204596700U CN 204596700 U CN204596700 U CN 204596700U CN 201520295600 U CN201520295600 U CN 201520295600U CN 204596700 U CN204596700 U CN 204596700U
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- China
- Prior art keywords
- vacuum circuit
- locking device
- combined floodgate
- conductive rod
- breaker
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Abstract
The utility model relates to a kind of vacuum circuit-breaker, particularly relate to a kind of vacuum circuit-breaker combined floodgate locking device, belong to vacuum circuit-breaker field, comprise inside and be provided with the housing of cavity, the fixed contact being fixed on cavity top, the isolating switch moving contact that is arranged on moving contact below fixed contact, is arranged on moving conductive rod in the middle part of cavity, is arranged on cavity bottom; Vacuum circuit-breaker combined floodgate locking device also comprises the lock bracket being arranged in pairs in moving conductive rod both sides, is provided with telescopic block in the middle part of lock bracket, and telescopic block external stability is arranged with coil tension spring; Offer cavern part bottom moving conductive rod, be provided with magnetic patch in cavern part, the two ends of magnetic patch and magnet are magnetic pole of the same name, and magnetic patch is connected with isolating switch moving contact by connector.Vacuum circuit-breaker combined floodgate locking device provided by the utility model, compact conformation, effectively can lock the "on" position of vacuum circuit-breaker, ensures the normal work of vacuum circuit-breaker.
Description
Technical field
The utility model relates to a kind of vacuum circuit-breaker, particularly relates to a kind of vacuum circuit-breaker combined floodgate locking device, belongs to vacuum circuit-breaker field.
Background technology
At present, after existing vacuum circuit-breaker closes a floodgate, moving contact and fixed contact contact with each other, but this contact condition does not lock, the danger of brake hop when easily causing unnecessary, affect the normal use of vacuum circuit-breaker.For keeping this contact condition of moving contact and fixed contact, be necessary that the "on" position of moving contact locks by additional locking device.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of isolating switch with locking device of new structure, make it have more value in industry.
Utility model content
The purpose of this utility model is intended to solve prior art Problems existing, provides a kind of vacuum circuit-breaker combined floodgate locking device, compact conformation, effectively can lock the "on" position of vacuum circuit-breaker, ensures the normal work of vacuum circuit-breaker.
The utility model relates to a kind of vacuum circuit-breaker combined floodgate locking device, comprise inside and be provided with the housing of cavity, the fixed contact being fixed on described cavity top, the isolating switch moving contact that is arranged on moving contact below described fixed contact, is arranged on moving conductive rod in the middle part of described cavity, is arranged on described cavity bottom, described moving contact and fixed contact interval are arranged, and the push rod on described moving contact and moving conductive rod top links together; Described vacuum circuit-breaker combined floodgate locking device also comprises the lock bracket being arranged in pairs in described moving conductive rod both sides, telescopic block is provided with in the middle part of described lock bracket, described telescopic block one end is fixed in lock bracket, the end of the other end is provided with magnet, described telescopic block external stability is arranged with coil tension spring, described telescopic block when fixed contact does not contact with moving contact between moving conductive rod and lock bracket; Offer cavern part bottom described moving conductive rod, be provided with magnetic patch in described cavern part, the two ends of described magnetic patch and described magnet are magnetic pole of the same name, and described magnetic patch is connected with described isolating switch moving contact by connector.
Further, described connector comprises linking springs and is arranged on the contiguous block in the middle part of described linking springs, and the two ends of described linking springs are connected with magnetic patch and isolating switch moving contact respectively.
Further, described moving conductive rod realizes being electrically connected by electric-conductor with isolating switch moving contact.
Further, power spring is provided with between described isolating switch moving contact and electric-conductor.
Further, described moving conductive rod is arranged with tripping spring.
Further, described telescopic block is two and is oppositely arranged in described lock bracket.
Further, the telescopic end head of described telescopic block and the telescopic end of coil tension spring are fixed.
Further, described telescopic block one end is fixed on lock bracket inside.
Further, described magnet is and the guide collar coordinated outside moving conductive rod.
By such scheme, the utility model at least has the following advantages: vacuum circuit-breaker combined floodgate locking device provided by the utility model, owing to being provided with telescopic block and coil tension spring in lock bracket, and isolating switch moving contact is connected with the magnetic patch that two ends and magnet are magnetic pole of the same name, when moving contact and fixed contact are kept in touch, telescopic block and coil tension spring just in time ejecting card in the bottom of moving conductive rod, when needing separating brake, magnetic patch produces repulsive interaction to magnet, telescopic block is shunk, moving conductive rod drops thus drives movable contact of vacuum circuit breaker and fixed contact to depart from, compact conformation, and effectively can lock the "on" position of vacuum circuit-breaker, ensure the normal work of vacuum circuit-breaker.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Structural representation when Fig. 1 is vacuum circuit-breaker combined floodgate locking device separating brake in the utility model;
Fig. 2 is structural representation when vacuum circuit-breaker combined floodgate locking device closes a floodgate in the utility model;
Fig. 3 is the partial enlarged drawing of part A in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See Fig. 1, Fig. 2 and Fig. 3, vacuum circuit-breaker combined floodgate locking device described in the utility model, comprises inside and is provided with the housing 1 of cavity, the fixed contact 2 being fixed on described cavity top, the isolating switch moving contact 5 that is arranged on moving contact 3 below described fixed contact, is arranged on moving conductive rod 4 in the middle part of described cavity, is arranged on described cavity bottom.Wherein, described moving contact 3 and fixed contact 2 interval are arranged, described moving contact 3 links together with the push rod 41 on moving conductive rod 4 top, described moving conductive rod 4 is arranged with tripping spring 42, described moving conductive rod 4 realizes being electrically connected by electric-conductor 6 with isolating switch moving contact 5, is provided with power spring 7 between described isolating switch moving contact 5 and electric-conductor 6, described vacuum circuit-breaker combined floodgate locking device also comprises the lock bracket 8 being arranged in pairs in described moving conductive rod 4 both sides, two telescopic block be oppositely arranged 81 are had in the middle part of described lock bracket 8, it is inner that described telescopic block 81 one end is fixed on lock bracket 8, the end of the other end is provided with magnet 82, described magnet 82 is and the guide collar 82 coordinated outside moving conductive rod 4, the external stability of described telescopic block 81 is arranged with coil tension spring 83 and the telescopic end head (not shown) of telescopic block 81 is fixed with the telescopic end (not shown) of coil tension spring 83, described telescopic block 81 when fixed contact 2 does not contact with moving contact 3 between moving conductive rod 4 and lock bracket 8, cavern part 43 is offered bottom described moving conductive rod 4, magnetic patch 9 is provided with in described cavern part 43, two ends and the described magnet 82 of described magnetic patch 9 are magnetic pole of the same name, described magnetic patch 9 is connected with described isolating switch moving contact 5 by connector 10, the contiguous block 102 that described connector 10 comprises linking springs 101 and is arranged in the middle part of described linking springs 101, the two ends of described linking springs 101 are connected with magnetic patch 9 and isolating switch moving contact 5 respectively.
During work, when isolating switch moving contact 5 moves upward, promote moving conductive rod 4 upwards to rise, now, the telescopic block 81 of moving conductive rod 4 both sides and coil tension spring 83 are squeezed into compressive state by moving conductive rod 4 and lock bracket 8, and the guide collar 82 of telescopic block 81 end relative moving conductive rod 4 on moving conductive rod 4 rolls downwards, guide collar 82 play the guiding role and ensures that telescopic block 81 is slided steadily relative to moving conductive rod 4, until the moving contact 3 on housing 1 cavity top contacts with fixed contact 2, meanwhile, telescopic block 81 and coil tension spring 83 depart from moving conductive rod 4 and eject the lower end surface being just in time stuck in moving conductive rod 4, ensure that moving contact 3 contacts with fixed contact 2 not to be separated, thus effectively lock the "on" position of vacuum circuit-breaker.
When isolating switch moving contact 5 moves downward, band follower link 10 moves downward, and pull magnetic patch 9 to stretch out from cavern part 43, when magnetic patch 9 is just in time between two telescopic block 81, magnetic patch 9 and magnet 82 are magnetic pole of the same name, thus generation repulsive interaction, two telescopic block 81 and coil tension spring 83 are shunk, until be again in squeezed state respectively to both sides.Now, moving conductive rod 4 drops downwards and under the effect of tripping spring 42 power, drives movable contact of vacuum circuit breaker 3 to throw off fixed contact 2, complete separating brake.
In sum, by arranging lock bracket 8 in moving conductive rod 4 both sides, and lock bracket 8 is provided with telescopic block 81 and coil tension spring 83, and isolating switch moving contact 5 is connected with the magnetic patch 9 that two ends and magnet 82 are magnetic pole of the same name, when moving contact 3 and fixed contact 2 are kept in touch, telescopic block 81 and coil tension spring 83 just in time ejecting card in the bottom of moving conductive rod 4, when needing separating brake, magnetic patch 9 pairs of magnets 82 produce repulsive interaction, telescopic block 81 is shunk, moving conductive rod 4 drops thus drives movable contact of vacuum circuit breaker 3 and fixed contact 2 to depart from, compact conformation, and effectively can lock the "on" position of vacuum circuit-breaker, ensure the normal work of vacuum circuit-breaker.
Vacuum circuit-breaker combined floodgate locking device provided by the utility model; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within the utility model protection range.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (9)
1. a vacuum circuit-breaker combined floodgate locking device, comprise inside and be provided with the housing of cavity, the fixed contact being fixed on described cavity top, the isolating switch moving contact that is arranged on moving contact below described fixed contact, is arranged on moving conductive rod in the middle part of described cavity, is arranged on described cavity bottom, described moving contact and fixed contact interval are arranged, and the push rod on described moving contact and moving conductive rod top links together; It is characterized in that: described vacuum circuit-breaker combined floodgate locking device also comprises the lock bracket being arranged in pairs in described moving conductive rod both sides, telescopic block is provided with in the middle part of described lock bracket, described telescopic block one end is fixed in lock bracket, the end of the other end is provided with magnet, described telescopic block external stability is arranged with coil tension spring, described telescopic block when fixed contact does not contact with moving contact between moving conductive rod and lock bracket; Offer cavern part bottom described moving conductive rod, be provided with magnetic patch in described cavern part, the two ends of described magnetic patch and described magnet are magnetic pole of the same name, and described magnetic patch is connected with described isolating switch moving contact by connector.
2. vacuum circuit-breaker combined floodgate locking device according to claim 1, it is characterized in that: described connector comprises linking springs and is arranged on the contiguous block in the middle part of described linking springs, and the two ends of described linking springs are connected with magnetic patch and isolating switch moving contact respectively.
3. vacuum circuit-breaker combined floodgate locking device according to claim 1, is characterized in that: described moving conductive rod realizes being electrically connected by electric-conductor with isolating switch moving contact.
4. vacuum circuit-breaker combined floodgate locking device according to claim 3, is characterized in that: be provided with power spring between described isolating switch moving contact and electric-conductor.
5. vacuum circuit-breaker combined floodgate locking device according to claim 1, is characterized in that: described moving conductive rod is arranged with tripping spring.
6. vacuum circuit-breaker combined floodgate locking device according to claim 1, is characterized in that: described telescopic block is two and is oppositely arranged in described lock bracket.
7. vacuum circuit-breaker combined floodgate locking device according to claim 1, is characterized in that: the telescopic end head of described telescopic block and the telescopic end of coil tension spring are fixed.
8. vacuum circuit-breaker combined floodgate locking device according to claim 1, is characterized in that: described telescopic block one end is fixed on lock bracket inside.
9. vacuum circuit-breaker combined floodgate locking device according to claim 1, is characterized in that: described magnet is and the guide collar coordinated outside moving conductive rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295600.5U CN204596700U (en) | 2015-05-08 | 2015-05-08 | A kind of vacuum circuit-breaker combined floodgate locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295600.5U CN204596700U (en) | 2015-05-08 | 2015-05-08 | A kind of vacuum circuit-breaker combined floodgate locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204596700U true CN204596700U (en) | 2015-08-26 |
Family
ID=53932827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520295600.5U Expired - Fee Related CN204596700U (en) | 2015-05-08 | 2015-05-08 | A kind of vacuum circuit-breaker combined floodgate locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204596700U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810192A (en) * | 2015-05-08 | 2015-07-29 | 苏州奥然日用品有限公司 | Vacuum circuit breaker closing lock device |
| CN108288568A (en) * | 2018-03-27 | 2018-07-17 | 芜湖美的厨卫电器制造有限公司 | Power circuit breaker and household electrical appliance |
| CN109616375A (en) * | 2018-12-29 | 2019-04-12 | 国网湖南省电力有限公司 | The application method of fast arc extinction device, mesolow metal switch cabinet and fast arc extinction device |
| CN111952106A (en) * | 2020-06-08 | 2020-11-17 | 合肥途望汽车配件有限公司 | Safe type electric motor car fills electric pile |
-
2015
- 2015-05-08 CN CN201520295600.5U patent/CN204596700U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810192A (en) * | 2015-05-08 | 2015-07-29 | 苏州奥然日用品有限公司 | Vacuum circuit breaker closing lock device |
| CN108288568A (en) * | 2018-03-27 | 2018-07-17 | 芜湖美的厨卫电器制造有限公司 | Power circuit breaker and household electrical appliance |
| CN108288568B (en) * | 2018-03-27 | 2024-03-29 | 芜湖美的厨卫电器制造有限公司 | Power circuit breaker and household appliance |
| CN109616375A (en) * | 2018-12-29 | 2019-04-12 | 国网湖南省电力有限公司 | The application method of fast arc extinction device, mesolow metal switch cabinet and fast arc extinction device |
| CN109616375B (en) * | 2018-12-29 | 2020-11-03 | 国网湖南省电力有限公司 | Rapid arc extinguisher, medium-low voltage metal switch cabinet and application method of rapid arc extinguisher |
| CN111952106A (en) * | 2020-06-08 | 2020-11-17 | 合肥途望汽车配件有限公司 | Safe type electric motor car fills electric pile |
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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: 20150826 Termination date: 20160508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |