CN205984785U - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
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- CN205984785U CN205984785U CN201620934135.XU CN201620934135U CN205984785U CN 205984785 U CN205984785 U CN 205984785U CN 201620934135 U CN201620934135 U CN 201620934135U CN 205984785 U CN205984785 U CN 205984785U
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- vacuum interrupter
- block
- cylinder
- vacuum
- circuit breaker
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Abstract
The utility model discloses a vacuum circuit breaker, including barrel and apron, be equipped with vacuum interrupter in the barrel, vacuum interrupter's top is arranged in to the fastening block, install hollow round platform on the external circumferential wall of fastening block, open on the inner wall of barrel upper end have with hollow round platform matched with draw -in groove, vacuum interrupter is connected with the fastening block, be equipped with the supporting shoe on the cylinder bottom inner wall, the limiting plate is fixed on the supporting shoe, be connected with inside hollow guide post and ejector pin respectively at vacuum interrupter both ends, the block rubber is installed to upper end at the ejector pin, block rubber up end and the contact of apron inner wall, it has the through -hole to open in the middle part of the limiting plate, the through -hole is run through in proper order to insulating pull rod upper end, movable contact pole with vacuum interrupter behind the guide post contacts. When breaking down, only need open the apron, utilize the clearance fit between hollow round platform and the draw -in groove, can take out fixed block and vacuum interrupter in the lump, abandon the complicated installation disassembly step of traditional circuit breaker, greatly reduced staff's intensity of labour.
Description
Technical field
This utility model is related to vacuum circuit breaker technical field, specifically refers to vacuum circuit breaker.
Background technology
On vacuum circuit breaker of the prior art, vacuum interrupter is typically arranged on insulation sleeve by upper bracket and lower carriage
In cylinder.This mounting structure and mounting means, because the installation site of lower carriage itself needs other parts to fix so that true
Empty arc-chutes after being installed to insulating sleeve inside, easily rock by lower end, the normal work of whole vacuum circuit breaker is had very big
Impact, and the installation process operation of vacuum interrupter of the prior art is complex, break down replacing when more multiple
Miscellaneous, the work efficiency of impact vacuum circuit breaker.
Utility model content
The purpose of this utility model is to provide vacuum circuit breaker, it is to avoid vacuum interrupter shakes, and effectively improves true
Mounting stability in cylinder for the empty arc-chutes.
The purpose of this utility model is achieved through the following technical solutions：
Vacuum circuit breaker, the cylinder including single injection-molded and the cover plate with the cooperation of cylinder upper end screw thread, in institute
State and in cylinder, be provided with vacuum interrupter, circular fastening block is placed in the top of vacuum interrupter, and the outer circle wall in fastening block
The resilient hollow round table of upper installation, has the draw-in groove matching with hollow round table, described vacuum is gone out on the inwall of cylinder upper end
Arc chamber upper surface is connected with fastening block by bolt, and described cylinder lower end inner wall is provided with support block, and limiting plate is fixed on support
On block, it is connected to lead and the push rod of inner hollow at described vacuum interrupter two ends, institute's push rod runs through in fastening block
Upwardly extend behind portion, and in the upper end of push rod, block rubber is installed, described block rubber upper surface and described cover plate contact internal walls,
Through hole is had, insulated tension pole upper end sequentially passes through described through hole, dynamic with vacuum interrupter after lead in the middle part of described limiting plate
Feeler lever contacts.During use, cover plate and cylinder upper end are threaded connection to realize the sealing on vacuum interrupter top, in cylinder
Portion is provided with support block, and limiting plate is fixed in support block, to realize sealing to vacuum interrupter bottom, goes out ensureing vacuum
On the premise of arc chamber normal work, reach the dust-proof grade of vacuum interrupter in cylinder.It is provided with fastening block in cylinder upper end simultaneously,
And resilient hollow round table is set on the outer circle wall of fastening block, the draw-in groove phase interworking that hollow round table and cylinder inboard wall start
Close, and push rod runs through the middle part of fastening block, is provided with the block rubber with cover plate contact internal walls in push rod upper end, and vacuum extinction
The upper end of room is connected with fastening block, that is, utilize mutual support between block rubber and cover plate to contact so that vacuum interrupter upper
Portion is stably fixed；And in the middle part of cylinder, the limiting plate in support block provides for vacuum interrupter and supports, and then ensure that vacuum is gone out
The entirety of arc chamber is in cylinder by stable holding, it is to avoid vacuum interrupter shakes, and effectively improves vacuum interrupter in cylinder
Interior mounting stability.Wherein, break down need to change vacuum interrupter when, only need to open cover plate, using hollow round table
Fixed block and vacuum interrupter can be taken out by clearance fit and draw-in groove between in the lump, abandoned traditional chopper complicated
Installing/dismounting step, greatly reduce the labor intensity of staff.
Upper end wire outlet seat and lower end wire outlet seat are respectively equipped with the side wall of described cylinder.Setting upper end occur seat with
End wire outlet seat can facilitate the stationary contact bar indoor to vacuum extinction, movable feeler lever to enter row conductor to connect, simultaneously upper end wire outlet seat and under
Using the higher wire outlet seat of classification of waterproof on the wire outlet seat of end, and then improve inner barrel, particularly the indoor waterproof of vacuum extinction
Dust-proof effect.
Elastic sheet metal is provided with the inwall of described cylinder, and the end of described elastic sheet metal and insulated tension pole is upper
End connects.When moving contact in vacuum interrupter is separated with static contact, movable feeler lever can drive insulated tension pole to move down, and works as vacuum electric
When arc disappears, the back-moving spring on elastic sheet metal coordinated insulation pull bar acts on to insulated tension pole and movable feeler lever generation together,
Make insulated tension pole and movable feeler lever Rapid reset.
The middle part of described block rubber has through hole.Preferably, having through hole so that vacuum extinction at the middle part of block rubber
When room moving contact is separated with static contact or the applied stress producing when again contacting is transferred at cover plate, block rubber passes through itself
Deformation and reply elastic force produced by deformation this applied stress eliminated, and make block rubber when compressed in opening up of through hole
There is in the middle part of it certain deformation space, block rubber is internal mutually to extrude caused internal stress concentration to avoid, and reduces rubber
The extent of deterioration of blob of viscose, to reach the purpose extending block rubber service life and reducing chopper frequency of maintenance.
This utility model compared with prior art, has such advantages as and beneficial effect：
1st, this utility model break down need to change vacuum interrupter when, only need to open cover plate, using hollow round table
Fixed block and vacuum interrupter can be taken out by clearance fit and draw-in groove between in the lump, abandoned traditional chopper complicated
Installing/dismounting step, greatly reduce the labor intensity of staff；
2nd, when moving contact in vacuum interrupter for this utility model is separated with static contact, movable feeler lever can drive insulated tension pole
Move down, when vacuum arc disappears, back-moving spring on elastic sheet metal coordinated insulation pull bar is together to insulated tension pole and dynamic
Feeler lever generation effect is so that insulated tension pole and movable feeler lever Rapid reset；
3rd, this utility model the middle part of block rubber have through hole so that vacuum interrupter moving contact separate with static contact or
When being that the applied stress producing during contact again is transferred at cover plate, block rubber passes through the deformation of itself and reply deformation is produced
Elastic force this applied stress is eliminated, and open up that to make block rubber have certain deformation when compressed in the middle part of it empty in through hole
Between, to avoid, block rubber is internal mutually to extrude caused internal stress concentration, reduces the extent of deterioration of block rubber, is prolonged with reaching
Long block rubber service life and the purpose reducing chopper frequency of maintenance.
Brief description
Accompanying drawing described herein is used for providing this utility model embodiment is further understood, and constitutes the one of the application
Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings：
Fig. 1 is this utility model structural representation.
Labelling and corresponding parts title in accompanying drawing：
1- cylinder, 2- vacuum interrupter, 3- elastic sheet metal, 4- lead, 5- limiting plate, 6- support block, 7- insulation are drawn
Bar, 8- fastening block, 9- cover plate, 10- push rod, 11- block rubber, 12- upper end wire outlet seat, 13- lower end wire outlet seat.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figure 1, the present embodiment include single injection-molded cylinder 1 and with cylinder 1 upper end screw thread cooperation
Cover plate 9, is provided with vacuum interrupter 2 in described cylinder 1, and circular fastening block 8 is placed in the top of vacuum interrupter 2, and tight
Gu resilient hollow round table is installed on the outer circle wall of block 8, cylinder 1 upper end inwall has and matches with hollow round table
Draw-in groove, described vacuum interrupter 2 upper surface is connected with fastening block 8 by bolt, and described cylinder 1 lower end inner wall is provided with support block
6, limiting plate 5 is fixed in support block 6, is connected to lead 4 and the top of inner hollow at described vacuum interrupter 2 two ends
Bar 10, institute's push rod 10 upwardly extends after running through fastening block 8 middle part, and is provided with block rubber 11, described rubber in the upper end of push rod 10
Blob of viscose 11 upper surface and described cover plate 9 contact internal walls, have through hole, insulated tension pole 7 upper end is passed through successively in the middle part of described limiting plate 5
Wear described through hole, contact with the movable feeler lever of vacuum interrupter 2 after lead 4.During use, cover plate 9 passes through screw thread with cylinder 1 upper end
Connect to realize the sealing on vacuum interrupter 2 top, be provided with support block 6 in the middle part of cylinder 1, limiting plate 5 is fixed on support block 6
On, to realize the sealing to vacuum interrupter 2 bottom, that is, on the premise of ensureing vacuum interrupter 2 normal work, reach cylinder
The dust-proof grade of vacuum interrupter 2 in 1.It is provided with fastening block 8 in cylinder 1 upper end simultaneously, and set on the outer circle wall of fastening block 8
Resilient hollow round table, the draw-in groove that hollow round table is started with cylinder 1 inwall cooperates, and push rod 10 runs through fastening block 8
Middle part, in push rod 10 upper end, the block rubber 11 with cover plate 9 contact internal walls is installed, and the upper end of vacuum interrupter 2 and fastening
Block 8 connects, that is, utilize the mutual support between block rubber 11 and cover plate 9 to contact so that the top of vacuum interrupter 2 is by stably solid
Fixed；And in the middle part of cylinder 1, the limiting plate 5 in support block 6 provides for vacuum interrupter 2 and supports, and then ensure vacuum interrupter 2
Overall in cylinder 1 by stable holding, it is to avoid vacuum interrupter 2 shakes, and effectively improves vacuum interrupter 2 in cylinder 1
Interior mounting stability.Wherein, break down need to change vacuum interrupter 2 when, only need to open cover plate 9, using open circles
Fixed block and vacuum interrupter 2 can be taken out by clearance fit between platform and draw-in groove in the lump, abandoned traditional chopper multiple
Miscellaneous installing/dismounting step, greatly reduces the labor intensity of staff.
Upper end wire outlet seat 12 and lower end wire outlet seat 13 are respectively equipped with the side wall of described cylinder 1.The upper end of setting occurs
Seat can facilitate the stationary contact bar in vacuum interrupter 2, movable feeler lever are entered row conductor and be connected with lower end wire outlet seat 13, bring out upper simultaneously
The higher wire outlet seat of classification of waterproof is adopted on line seat 12 and lower end wire outlet seat 13, and then improves inside cylinder 1, particularly vacuum is gone out
Water proof and dust proof effect in arc chamber 2.
Elastic sheet metal 3 is provided with the inwall of described cylinder 1, and the end of described elastic sheet metal 3 and insulated tension pole 7
Upper end connect.When moving contact in vacuum interrupter 2 is separated with static contact, movable feeler lever can drive insulated tension pole 7 to move down, when
When vacuum arc disappears, the back-moving spring on elastic sheet metal 3 coordinated insulation pull bar 7 is together to insulated tension pole 7 and movable feeler lever
Generation effect is so that insulated tension pole 7 and movable feeler lever Rapid reset.
Preferably, the middle part of block rubber 11 have through hole so that vacuum interrupter 2 moving contact separate with static contact or
When being that the applied stress producing during contact again is transferred at cover plate 9, block rubber 11 passes through the deformation of itself and replys deformation institute
This applied stress is eliminated by the elastic force producing, and opens up that so that block rubber 11 is had in the middle part of it when compressed certain in through hole
Deformation space, to avoid, block rubber 11 is internal mutually to extrude caused internal stress concentration, reduces the loss journey of block rubber 11
Degree, to reach the purpose extending block rubber 11 service life and reducing chopper frequency of maintenance.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (4)
1. vacuum circuit breaker, including the cylinder of single injection-molded（1）And and cylinder（1）The cover plate of upper end screw thread cooperation
（9）It is characterised in that：In described cylinder（1）Inside it is provided with vacuum interrupter（2）, the fastening block of circle（8）It is placed in vacuum interrupter
（2）Top, and in fastening block（8）Outer circle wall on resilient hollow round table is installed, in cylinder（1）Open on the inwall of upper end
There are the draw-in groove matching with hollow round table, described vacuum interrupter（2）Bolt and fastening block are passed through in upper surface（8）Connect, described
Cylinder（1）Lower end inner wall is provided with support block（6）, limiting plate（5）It is fixed on support block（6）On, in described vacuum interrupter（2）
Two ends are connected to the lead of inner hollow（4）And push rod（10）, described push rod（10）Run through fastening block（8）Middle part is backward
Upper extension, and in push rod（10）Upper end block rubber is installed（11）, described block rubber（11）Upper surface and described cover plate（9）Interior
Wall contacts, in described limiting plate（5）Middle part has through hole, insulated tension pole（7）Upper end sequentially passes through described through hole, lead（4）
Afterwards with vacuum interrupter（2）Movable feeler lever connect.
2. vacuum circuit breaker according to claim 1 it is characterised in that：In described cylinder（1）Side wall on be respectively equipped with
Upper end wire outlet seat（12）With lower end wire outlet seat（13）.
3. vacuum circuit breaker according to claim 1 it is characterised in that：In described cylinder（1）Inwall be provided with elasticity
Sheet metal（3）, and described elastic sheet metal（3）End and insulated tension pole（7）Upper end connect.
4. vacuum circuit breaker according to claim 1 it is characterised in that：Described block rubber（11）Middle part have through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934135.XU CN205984785U (en) | 2016-08-25 | 2016-08-25 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934135.XU CN205984785U (en) | 2016-08-25 | 2016-08-25 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984785U true CN205984785U (en) | 2017-02-22 |
Family
ID=58033908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620934135.XU Active CN205984785U (en) | 2016-08-25 | 2016-08-25 | Vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205984785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298358A (en) * | 2016-08-25 | 2017-01-04 | 成都汉度科技有限公司 | A kind of ultra-high-tension power transmission line is with controlling switch |
-
2016
- 2016-08-25 CN CN201620934135.XU patent/CN205984785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298358A (en) * | 2016-08-25 | 2017-01-04 | 成都汉度科技有限公司 | A kind of ultra-high-tension power transmission line is with controlling switch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |