CN204344980U - Valve used for high-voltage switch - Google Patents
Valve used for high-voltage switch Download PDFInfo
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- CN204344980U CN204344980U CN201420772077.6U CN201420772077U CN204344980U CN 204344980 U CN204344980 U CN 204344980U CN 201420772077 U CN201420772077 U CN 201420772077U CN 204344980 U CN204344980 U CN 204344980U
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- valve
- guide sleeve
- voltage switch
- sealing seat
- spheroid
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Abstract
The utility model discloses a kind of valve used for high-voltage switch, it comprises: valve body (1), be arranged on the sealing seat (2) in valve body (1), be arranged on the spheroid (3) on sealing seat (2), spheroid (3) top is connected with valve rod (4), the top of valve rod (4) is connected with handwheel (5) by screw, guide sleeve (6) thread bush is in the periphery of valve rod (4), guide sleeve (6) overcoat has gland nut (7), the bottom of gland nut (7) is positioned in the projection of guide sleeve (6) bottom, top and the handwheel (5) of guide sleeve (6) and gland nut (7) compress, the sealing seat (2) on spheroid (3) right side is arranged on adjusting nut (8).The valve used for high-voltage switch that the utility model provides, reasonable in design, easy to operate, sealing is high, and Safety performance is good, and stable performance, long service life can be used for power transmission and transformation High-voltage Switchgear Industry, for the sulfur hexafluoride gas opened or in closing duct.
Description
Technical field
The utility model relates to a kind of ball valve, is specifically related to one and is applied to power transmission and transformation High-voltage Switchgear Industry, for the valve used for high-voltage switch of sulfur hexafluoride gas opened or in closing duct.
Background technique
Ball valve is a kind of novel valve be widely adopted in recent years, ball valve only needs just can close tight with the operation of 90-degree rotation, and ball valve switch is light, and volume is little, very heavy caliber can be made, sealing is reliable, and structure is simple, easy to maintenance, sealing surface and sphere are everlasting closed state, not easily by medium erosion, ball valve is mainly used to make the flow direction cutting off, distribute and change medium in pipeline, is widely used in every profession and trade.
Wherein need the valve used for high-voltage switch of the sulfur hexafluoride gas used in unlatching or closing duct in power transmission and transformation High-voltage Switchgear Industry, higher to performance requirements such as the sealings of this kind of valve, the valve of prior art, the sealing of its gland nut place mainly utilizes screw thread to compress O shape circle and realizes, but in practical set, O shape circle is pressed on valve body sealing surface by Hand of spiral, when O shape circle is compacted to valve body sealing surface, O shape circle not only has wrinkle, pleat phenomenon, even also has wear phenomenon, thus causing seal failure, valve loses due function.
Therefore, necessary on the basis of prior art, a kind of reasonable in design of design research and development, sealing is high, and Security is high, strong operability, sealing are reliable, stable performance, long service life valve used for high-voltage switch.
Model utility content
Model utility object: the purpose of this utility model is for the deficiencies in the prior art, a kind of reasonable in design of R & D design, sealing is high, Security is high, long service life, can be used for power transmission and transformation High-voltage Switchgear Industry, for the valve used for high-voltage switch of sulfur hexafluoride gas opened or in closing duct.
Technological scheme: in order to realize above object, the technological scheme that the utility model is taked is as follows:
A kind of valve used for high-voltage switch, it comprises: valve body, be arranged on the sealing seat in valve body, be arranged on the spheroid on sealing seat, described spheroid top is connected with valve rod, and the top of valve rod is connected with handwheel by screw, guide sleeve thread bush is in the periphery of valve rod, guide sleeve overcoat has gland nut, and the bottom of gland nut is positioned in the projection bottom guide sleeve, and described guide sleeve and the top of gland nut and handwheel compress;
Sealing seat on the right side of described spheroid is arranged on adjusting nut.
Preferably, above-described valve used for high-voltage switch, described guide sleeve bottom protrusion and valve body contact face are provided with O RunddichtringO, and the utility model, by lot of experiments, increases by a guide sleeve below gland nut, O shape can be made to enclose and to become static seal by original motive sealing, O shape circle, in compacting process, can not be in rotation status as traditional valve, and remain static all the time, more there will not be wrinkle, pleat and wear phenomenon, therefore sealability is higher than prior art.
Preferably, above-described valve used for high-voltage switch, is provided with 1 ~ 5 O RunddichtringO between described valve rod and guide sleeve.As the scheme be more preferably, 3 O RunddichtringOs are installed between above-described valve rod and guide sleeve.
Preferably, above-described valve used for high-voltage switch, is provided with O RunddichtringO between described sealing seat and spheroid.
Preferably, above-described valve used for high-voltage switch, is provided with holddown spring between described valve body and sealing seat, is convenient to clamp sealing seat.
Beneficial effect: compared to the prior art the valve used for high-voltage switch that the utility model provides has the following advantages:
The valve used for high-voltage switch that the utility model provides, reasonable in design, easy to operate, and sealing is higher, Safety performance is good, stable performance, long service life, can be used for power transmission and transformation High-voltage Switchgear Industry, for the sulfur hexafluoride gas opened or in closing duct.
Accompanying drawing explanation
Fig. 1 is the structural representation of the valve used for high-voltage switch that the utility model provides.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
As shown in Figure 1, a kind of valve used for high-voltage switch, it comprises: valve body (1), be arranged on the sealing seat (2) in valve body (1), be arranged on the spheroid (3) on sealing seat (2), described spheroid (3) top is connected with valve rod (4), the top of valve rod (4) is connected with handwheel (5) by screw, guide sleeve (6) thread bush is in the periphery of valve rod (4), guide sleeve (6) overcoat has gland nut (7), the bottom of gland nut (7) is positioned in the projection of guide sleeve (6) bottom, described guide sleeve (6) and the top of gland nut (7) and handwheel (5) compress,
The sealing seat (2) on described spheroid (3) right side is arranged on adjusting nut (8).
Above-described valve used for high-voltage switch, described guide sleeve (6) bottom protrusion and valve body (1) surface of contact are provided with O RunddichtringO (9).
Above-described valve used for high-voltage switch, is provided with 3 O RunddichtringOs (10) between described valve rod (4) and guide sleeve (6).
Above-described valve used for high-voltage switch, is provided with O RunddichtringO between described sealing seat (2) and spheroid (3).
Above-described valve used for high-voltage switch, is provided with holddown spring between described valve body (1) and sealing seat (2).
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a valve used for high-voltage switch, it is characterized in that, it comprises: valve body (1), be arranged on the sealing seat (2) in valve body (1), be arranged on the spheroid (3) on sealing seat (2), described spheroid (3) top is connected with valve rod (4), the top of valve rod (4) is connected with handwheel (5) by screw, guide sleeve (6) thread bush is in the periphery of valve rod (4), guide sleeve (6) overcoat has gland nut (7), the bottom of gland nut (7) is positioned in the projection of guide sleeve (6) bottom, described guide sleeve (6) and the top of gland nut (7) and handwheel (5) compress,
The sealing seat (2) on described spheroid (3) right side is arranged on adjusting nut (8).
2. valve used for high-voltage switch according to claim 1, is characterized in that, described guide sleeve (6) bottom protrusion and valve body (1) surface of contact are provided with O RunddichtringO (9).
3. valve used for high-voltage switch according to claim 1, is characterized in that, is provided with 1 ~ 5 O RunddichtringO (10) between described valve rod (4) and guide sleeve (6).
4. valve used for high-voltage switch according to claim 3, is characterized in that, is provided with 3 O RunddichtringOs (10) between described valve rod (4) and guide sleeve (6).
5. the valve used for high-voltage switch according to any one of Claims 1-4, is characterized in that, is provided with O RunddichtringO between described sealing seat (2) and spheroid (3).
6. valve used for high-voltage switch according to claim 1, is characterized in that, is provided with holddown spring between described valve body (1) and sealing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772077.6U CN204344980U (en) | 2014-12-10 | 2014-12-10 | Valve used for high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772077.6U CN204344980U (en) | 2014-12-10 | 2014-12-10 | Valve used for high-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344980U true CN204344980U (en) | 2015-05-20 |
Family
ID=53228249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420772077.6U Active CN204344980U (en) | 2014-12-10 | 2014-12-10 | Valve used for high-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344980U (en) |
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2014
- 2014-12-10 CN CN201420772077.6U patent/CN204344980U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |