CN203721620U - Combined translation sealing device for breaker - Google Patents
Combined translation sealing device for breaker Download PDFInfo
- Publication number
- CN203721620U CN203721620U CN201420124505.4U CN201420124505U CN203721620U CN 203721620 U CN203721620 U CN 203721620U CN 201420124505 U CN201420124505 U CN 201420124505U CN 203721620 U CN203721620 U CN 203721620U
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- CN
- China
- Prior art keywords
- sealing
- sealing ring
- axle sleeve
- sealing device
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 109
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a combined translation sealing device for a breaker. The combined translation sealing device comprises a breaker body. A hole is formed in an air box sealing plate at one end of the breaker body, a transmission connection rod penetrates through the hole, and the outer surface of the transmission connection rod is sealed with the hole through the sealing device. The sealing device structurally comprises a sealing shaft sleeve sleeving the transmission connection rod. The inner circumferential surface of the sealing shaft sleeve and the outer circumferential surface of the transmission connection rod are sealed by a second sealing ring and a third sealing ring which are arranged at interval. The outer circumferential surface of the sealing shaft sleeve and the inner surface of the hole formed in the air box sealing plate are sealed by a first sealing ring. The outer side of the sealing shaft sleeve extends to form a connection part, and the connection part is fastened with the air box sealing plate through a bolt. The combined translation sealing device is good in sealing effect and reliable in work.
Description
Technical field
The utility model relates to sealing device technical field, especially a kind of circuit breaker Combined vertical dynamic sealing device.
Background technology
At present, gas-insulated switchgear also obtains promptly promotion and application at home, particularly along with the switching devices such as China's Construction of Intercity Network and transformation, track traffic and large industrial enterprise, propose the demands such as the high requests such as miniaturization, intellectuality, non-maintaining, full operating mode, high-quality, high-performance, and traditional air insulated switch equipment is subject to environmental condition (as high height above sea level, humidity, salt fog, filth, corrosion etc.) limitation, and because of factors such as floor space, spatial limitation, can not meet user's requirements such as metallurgy, petrochemical industry, mine, development zone, urban track traffic and high building.Therefore the research and development of C-GIS product certainly will be market prospects development trends, and whole C-CGIS research and development of products must guarantee that its sealing guarantees to realize the inside and outside high pressure components and parts of air chamber and is connected, sealing guarantees the basic demand of switchgear long-time running, C-GIS product primary circuit pivot device (vacuum circuit-breaker) is arranged in sealing inflation metal cabinet, its outer operating mechanism transmission moving contact, moving contact motion mode is rectilinear motion, moving contact is connected with black box, thus moving contact needs in motion process and aeration tank between form Direct Action Type movable sealing.In prior art, realize the straight shell type dynamic seal of this function by under the movable sealing condition different, the seal form adopting is different.Its shortcoming is: between straight shell type dynamic seal and sealing ring, produce at the volley the wearing and tearing between gap, in use sealing property reduces, and easily produces the existence of gas leakage.
Utility model content
The applicant, for the shortcoming in above-mentioned existing production technology, provides a kind of circuit breaker rational in infrastructure Combined vertical dynamic sealing device, thereby has improved sealing reliability.
The technical scheme that the utility model adopts is as follows:
A kind of circuit breaker Combined vertical dynamic sealing device, comprise circuit breaker, perforate on the gas tank shrouding of described circuit breaker one end, shown in hole through kinematic link, the outer surface of described kinematic link seals by sealing device and hole, the structure of described sealing device is: comprise the sealing axle sleeve being enclosed within on kinematic link, the inner peripheral surface of described sealing axle sleeve and the outer circumference surface of kinematic link seal by spaced the second sealing ring and the 3rd sealing ring, the inner surface of the outer circumference surface of described sealing axle sleeve and the perforate of gas tank shrouding institute seals by the first sealing ring, the outside of described sealing axle sleeve is extended with connector, described connector is fastening by bolt and gas tank shrouding.
Further improvement as technique scheme:
Described the first sealing ring is O RunddichtringO, on the outer circumference surface of described sealing axle sleeve, has groove, and the first sealing ring is installed in described groove;
Described the second sealing ring and the 3rd sealing ring all adopt y-type seal ring, the inner peripheral surface of described sealing axle sleeve has four concave inward structures successively, two the 3rd sealing rings and two the second sealing rings are installed in described concave inward structure successively, and described the 3rd sealing ring and the second sealing ring are symmetrical to be installed.
The beneficial effects of the utility model are as follows:
The utility model is rational in infrastructure, compact, easy for installation, utilize sealing axle sleeve assembly Direct Action Type dynamic sealing technology, adopt the hermetically-sealed construction forming by sealing axle sleeve, y-shaped ring, O-ring seals, y-shaped ring II respectively, make movable contact of vacuum circuit breaker can not make the Leakage Gas in aeration tank in rectilinear motion process, guarantee the pressure of aeration tank, make the normally operation under pressure of inner electric elements, thereby improved product reliability of operation and useful life.
The utility model is widely used in that the industries such as metallurgy, petrochemical industry, mine, development zone, urban track traffic and high building are subject to that miniaturization, intellectuality, non-maintaining, full operating mode etc. are high-quality, high request, high performance C-GIS gas-filling cabinet product.
Accompanying drawing explanation
Fig. 1 is application drawing of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the scheme of installation of the utility model sealing ring.
Wherein: 1, circuit breaker; 2, gas tank shrouding; 3, bolt; 4, the first sealing ring; 5, the second sealing ring; 6, kinematic link; 7, the 3rd sealing ring; 8, sealing axle sleeve; 9, connector.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
As Fig. 1, shown in Fig. 2 and Fig. 3, the circuit breaker of the present embodiment Combined vertical dynamic sealing device, comprise circuit breaker 1, perforate on circuit breaker 1 one end gas tank shrouding 2, shown in hole through kinematic link 6, the outer surface of kinematic link 6 seals by sealing device and hole, the structure of sealing device is: comprise the sealing axle sleeve 8 being enclosed within on kinematic link 6, the outer circumference surface of the inner peripheral surface of sealing axle sleeve 8 and kinematic link 6 is by spaced the second sealing ring 5 and the 3rd sealing ring 7 sealings, the inner surface of the outer circumference surface of sealing axle sleeve 8 and 2 perforates of gas tank shrouding is by the first sealing ring 4 sealings, the outside of sealing axle sleeve 8 is extended with connector 9, connector 9 is fastening by bolt 3 and gas tank shrouding 2.
The first sealing ring 4 is O RunddichtringO, on the outer circumference surface of sealing axle sleeve 8, has groove, and the first sealing ring 4 is installed in groove.
The second sealing ring 5 and the 3rd sealing ring 7 all adopt y-type seal ring, the inner peripheral surface of sealing axle sleeve 8 has four concave inward structures successively, two the 3rd sealing rings 7 and two the second sealing ring 5, the three sealing rings 7 are installed in concave inward structure successively and second sealing ring 5 is symmetrical installs.
The utility model good sealing effect, plays the effect of black box and 2 sealings of gas tank shrouding, and the gas in gas tank is not leaked.
The utility model adopts the second sealing ring 5 and the 3rd sealing ring 7 effect of cooperatively interacting of kinematic link 6 and Y type, makes movable contact of vacuum circuit breaker in straight-line process, more effectively guarantee the pressure of gas in aeration tank.And employing y-type seal ring, in motion process, guarantees that sealing ring is consistent with the movement locus of kinematic link 6, good sealing effect, reliability is high, long service life.
Circuit breaker shown in the utility model is that the rated voltage that C-GIS product is used is 40.5kV high-pressure vacuum breaker.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range, referring to claim, within protection range of the present utility model, can be done any type of modification.
Claims (3)
1. a circuit breaker Combined vertical dynamic sealing device, it is characterized in that: comprise circuit breaker (1), the upper perforate of described circuit breaker (1) one end gas tank shrouding (2), shown in hole through kinematic link (6), the outer surface of described kinematic link (6) seals by sealing device and hole, the structure of described sealing device is: comprise the sealing axle sleeve (8) being enclosed within on kinematic link (6), the outer circumference surface of the inner peripheral surface of described sealing axle sleeve (8) and kinematic link (6) is by spaced the second sealing ring (5) and the sealing of the 3rd sealing ring (7), the inner surface of the outer circumference surface of described sealing axle sleeve (8) and the perforate of gas tank shrouding (2) institute is by the first sealing ring (4) sealing, the outside of described sealing axle sleeve (8) is extended with connector (9), described connector (9) is fastening by bolt (3) and gas tank shrouding (2).
2. circuit breaker as claimed in claim 1 Combined vertical dynamic sealing device, is characterized in that: described the first sealing ring (4) is O RunddichtringO, has groove on the outer circumference surface of described sealing axle sleeve (8), and the first sealing ring (4) is installed in described groove.
3. circuit breaker as claimed in claim 1 Combined vertical dynamic sealing device, it is characterized in that: described the second sealing ring (5) and the 3rd sealing ring (7) all adopt y-type seal ring, the inner peripheral surface of described sealing axle sleeve (8) has four concave inward structures successively, two the 3rd sealing rings (7) and the second sealing ring (5) are installed in described concave inward structure successively, and described the 3rd sealing ring (7) and two the second sealing rings (5) are symmetrical to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124505.4U CN203721620U (en) | 2014-03-19 | 2014-03-19 | Combined translation sealing device for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124505.4U CN203721620U (en) | 2014-03-19 | 2014-03-19 | Combined translation sealing device for breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721620U true CN203721620U (en) | 2014-07-16 |
Family
ID=51160757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124505.4U Expired - Lifetime CN203721620U (en) | 2014-03-19 | 2014-03-19 | Combined translation sealing device for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854916A (en) * | 2014-03-19 | 2014-06-11 | 无锡开辟科技有限公司 | Combined direct-acting sealing device for breaker |
-
2014
- 2014-03-19 CN CN201420124505.4U patent/CN203721620U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854916A (en) * | 2014-03-19 | 2014-06-11 | 无锡开辟科技有限公司 | Combined direct-acting sealing device for breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |