CN206582326U - A kind of gas-insulated switchgear rotary sealing appts - Google Patents
A kind of gas-insulated switchgear rotary sealing appts Download PDFInfo
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- CN206582326U CN206582326U CN201720195843.0U CN201720195843U CN206582326U CN 206582326 U CN206582326 U CN 206582326U CN 201720195843 U CN201720195843 U CN 201720195843U CN 206582326 U CN206582326 U CN 206582326U
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- insulated switchgear
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Abstract
The utility model discloses a kind of gas-insulated switchgear rotary sealing appts, including sealing pivot and the sealing flange cover being enclosed on the outside of sealing pivot, outside framework oil seal and deep groove ball bearing are provided between the sealing flange cover and sealing pivot, the end of the sealing pivot is provided with boss, the inner side of sealing flange cover is provided with locating slot, O-ring seal is provided with locating slot, O-ring seal simple and reasonable, moderate cost, can meet the dynamic sealing of rotation and the static seal use requirement of installation in gas-filling cabinet product with being in contact on the outside of sealing pivot.
Description
Technical field
The utility model is related to equipment for power transmission and distribution field, and more particularly to a kind of gas-insulated switchgear is filled with rotatory sealing
Put.
Background technology
The connection of the outer operating mechanism of gas-filling cabinet inner breaker and cabinet is, it is necessary to which the static seal of good installation, action are rotated
When dynamic sealing carry out air-tightness processing, with ensure product operation when gas tank inside gas will not be because of installation and transportation or operation
And cause leakage；At present, O-ring seal makees that static seal effect is good, long lifespan；Though if only make dynamic sealing cost by O-ring seal
It is low, but limited by the speed and pressure at sealing, its effect is poor, short life, easily leakage；Floating-ring seal, dry gas seals, magnetic
Though Fluid Sealing etc. is made, dynamic sealing effect is good, long lifespan, and cost is high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of gas-insulated switchgear rotary sealing appts,
Simple and reasonable, moderate cost, the dynamic sealing of rotation and the static seal use requirement of installation in gas-filling cabinet product can be met,
To solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of gas-insulated switchgear rotation
Turn sealing device, including sealing pivot and the sealing flange cover being enclosed on the outside of sealing pivot, the sealing flange cover and sealing turn
Outside framework oil seal and deep groove ball bearing are provided between axle, the end of the sealing pivot, which is provided with the inside of boss, sealing flange cover, to be set
Have and O-ring seal is provided with locating slot, locating slot, O-ring seal on the outside of sealing pivot with being in contact.
It is preferred that, the inner side of the sealing flange cover is provided with column type ladder inside groove, including one-level inside groove and two grades of inside grooves,
The diameter of two grades of inside grooves is more than the diameter of one-level inside groove, and outside framework oil seal is arranged in one-level inside groove, and deep groove ball bearing is arranged on two
In level inner side.
It is preferred that, the both sides of the deep groove ball bearing are provided with back-up ring.
It is preferred that, the edge of two grades of inside grooves is provided with neck, and the back-up ring is stuck in neck.
It is preferred that, the outside of the sealing flange cover is provided with annular groove, and O-ring seal is set in annular groove.
It is preferred that, the end of the sealing pivot is hexagon interface.
Beneficial effect using above technical scheme is：The gas-insulated switchgear of the utility model structure is close with rotating
Seal apparatus, static seal is made using O-ring seal, and cost is low；The design feature of outside framework oil seal has web frame and self-tightening spiral bullet
Spring.Dynamic sealing is made using outside framework oil seal and O-ring seal together, use requirement, and moderate cost can be met；Using deep-groove ball axle
Hold, it supports aligning effect to reduce influence of the rotating shaft radial load to oil sealing and sealing ring, improve sealing life；Using hexagon
Interface, the requirement that the moment of torsion of the inside and outside connection of seal box can be met and installed.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is the structural representation of sealing flange cover.
Wherein, 1-- sealing pivots, 2-- back-up rings, 3-- deep groove ball bearings, 4--O types sealing ring, 5-- outside framework oil seals, 6-- are close
Seal blind flange, 7-- hexagons interface, 8-- annular grooves, 9-- necks, 10-- one-levels inside groove, bis- grades of inside grooves of 11--, 12-- positioning
Groove, 13-- boss.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Fig. 1, Fig. 2 and Fig. 3 show embodiment of the present utility model：A kind of gas-insulated switchgear is close with rotating
Seal apparatus, including sealing pivot 1 and the sealing flange cover 6 for being enclosed on the outside of sealing pivot 1, the sealing flange cover 6 and sealing turn
Outside framework oil seal 5 and deep groove ball bearing 3 are provided between axle 1, the end of the sealing pivot 1 is provided with boss 13, sealing flange cover 6
Inner side, which is provided with locating slot 12, locating slot 12, is provided with O-ring seal 4, and O-ring seal 4 is in contact with the outside of sealing pivot 1.
The inner side of sealing flange cover 6 is provided with column type ladder inside groove, including one-level inside groove 10 and two grades of inside grooves 11, two grades
The diameter of groove 11 is more than the diameter of one-level inside groove 10, and outside framework oil seal 5 is arranged in one-level inside groove 10, and deep groove ball bearing 3 is arranged on
In two grades of inner sides；The both sides of deep groove ball bearing 3 are provided with back-up ring 2；The edge of two grades of inside grooves 11 is provided with neck 9, and the back-up ring 2 is stuck in
In neck 9；The outside of sealing flange cover 6 is provided with annular groove 8, and O-ring seal 4 is set in annular groove 8；The end of sealing pivot 1
For hexagon interface 7.
The gas-insulated switchgear rotary sealing appts of the utility model structure, static seal is made using O-ring seal,
Cost is low；The design feature of outside framework oil seal has web frame and self-tightening helical spring.Using outside framework oil seal and O-ring seal together
Make dynamic sealing, use requirement, and moderate cost can be met；Using deep groove ball bearing, it supports aligning effect to reduce rotating shaft footpath
To influence of the power to oil sealing and sealing ring, sealing life is improved；Using hexagon interface, the inside and outside connection of seal box can be met
Moment of torsion and install requirement.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (6)
1. a kind of gas-insulated switchgear rotary sealing appts, it is characterised in that turn including sealing pivot with sealing is enclosed on
Sealing flange cover on the outside of axle, is provided with outside framework oil seal and deep groove ball bearing between the sealing flange cover and sealing pivot, described
The end of sealing pivot is provided with boss, and the inner side of sealing flange cover, which is provided with locating slot, locating slot, is provided with O-ring seal, O-shaped close
Seal on the outside of sealing pivot with being in contact.
2. gas-insulated switchgear rotary sealing appts according to claim 1, it is characterised in that the Sealing Method
The inner side of orchid lid is provided with column type ladder inside groove, including one-level inside groove and two grades of inside grooves, and the diameter of two grades of inside grooves is more than in one-level
The diameter of groove, outside framework oil seal is arranged in one-level inside groove, and deep groove ball bearing is arranged in two grades of inner sides.
3. gas-insulated switchgear rotary sealing appts according to claim 2, it is characterised in that the deep-groove ball
The both sides of bearing are provided with back-up ring.
4. gas-insulated switchgear rotary sealing appts according to claim 3, it is characterised in that in described two grades
The edge of groove is provided with neck, and the back-up ring is stuck in neck.
5. gas-insulated switchgear rotary sealing appts according to claim 1, it is characterised in that the Sealing Method
The outside of orchid lid is provided with annular groove, and O-ring seal is set in annular groove.
6. gas-insulated switchgear rotary sealing appts according to claim 1, it is characterised in that the sealing turns
The end of axle is hexagon interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195843.0U CN206582326U (en) | 2017-03-01 | 2017-03-01 | A kind of gas-insulated switchgear rotary sealing appts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195843.0U CN206582326U (en) | 2017-03-01 | 2017-03-01 | A kind of gas-insulated switchgear rotary sealing appts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206582326U true CN206582326U (en) | 2017-10-24 |
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ID=60091742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195843.0U Active CN206582326U (en) | 2017-03-01 | 2017-03-01 | A kind of gas-insulated switchgear rotary sealing appts |
Country Status (1)
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| CN (1) | CN206582326U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642610A (en) * | 2017-10-31 | 2018-01-30 | 现代重工(中国)电气有限公司 | A kind of gas-filling cabinet drive link sealing device |
| CN109139879A (en) * | 2018-09-30 | 2019-01-04 | 北京国电龙源环保工程有限公司 | A kind of speed reducer shaft sealing device |
| CN110042351A (en) * | 2019-03-06 | 2019-07-23 | 北京威伏真空技术有限公司 | A kind of liquid sealing structure and vacuum magnetic-control sputtering device for rotating cathode |
| CN110137007A (en) * | 2018-02-08 | 2019-08-16 | 罗伯特·博世有限公司 | Switch block with sealing ring stacking |
-
2017
- 2017-03-01 CN CN201720195843.0U patent/CN206582326U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642610A (en) * | 2017-10-31 | 2018-01-30 | 现代重工(中国)电气有限公司 | A kind of gas-filling cabinet drive link sealing device |
| CN110137007A (en) * | 2018-02-08 | 2019-08-16 | 罗伯特·博世有限公司 | Switch block with sealing ring stacking |
| CN110137007B (en) * | 2018-02-08 | 2022-09-27 | 罗伯特·博世有限公司 | Switch assembly with sealing ring stack |
| CN109139879A (en) * | 2018-09-30 | 2019-01-04 | 北京国电龙源环保工程有限公司 | A kind of speed reducer shaft sealing device |
| CN109139879B (en) * | 2018-09-30 | 2024-07-23 | 国能龙源环保有限公司 | Speed reducer rotating shaft sealing device |
| CN110042351A (en) * | 2019-03-06 | 2019-07-23 | 北京威伏真空技术有限公司 | A kind of liquid sealing structure and vacuum magnetic-control sputtering device for rotating cathode |
| CN110042351B (en) * | 2019-03-06 | 2021-04-09 | 张迎春 | Liquid sealing structure for rotary cathode and vacuum magnetron sputtering device |
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