CN201723768U - High-temperature hard sealing ball valve - Google Patents
High-temperature hard sealing ball valve Download PDFInfo
- Publication number
- CN201723768U CN201723768U CN201020270651XU CN201020270651U CN201723768U CN 201723768 U CN201723768 U CN 201723768U CN 201020270651X U CN201020270651X U CN 201020270651XU CN 201020270651 U CN201020270651 U CN 201020270651U CN 201723768 U CN201723768 U CN 201723768U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- ball
- support
- valve rod
- 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 - Fee Related
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- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
A high-temperature hard sealing ball valve comprises a valve body, a valve bonnet, a ball, a supporting shaft, an upper valve stem, a lower valve stem, a support, a handle, a steel pipe and a connecting pipe. A through hole is arranged on the ball arranged between two valve blocks in the valve body, the supporting shaft is arranged at one end of the valve body, the support is arranged at the other end of the valve body, through holes corresponding to the ball are arranged on the valve body and the valve bonnet, the valve bonnet is fixed at two ends of the valve body via bolts, the lower valve stem is arranged inside the support, the corresponding upper valve stem is arranged on the lower valve stem, a corresponding top flange is arranged on the upper valve stem, the corresponding handle is arranged at one end of the upper valve stem, the steel pipe is arranged inside the handle, the connecting pipe is arranged on the valve body, a needle-shaped valve is arranged on the connecting pipe, and a sludge cock is arranged at one end of the needle-shaped valve. The ball valve is integrally easy for disassembly and convenient in maintenance by the aid of bolt connection, and is increased in integral sealing performance due to two sealing structures formed by adopting metal sealing between the ball and the valve blocks and respectively sealing the upper valve stem and the lower valve stem, thereby the ball valve is applicable to various fluid medium in 400 degree Celsius.
Description
Technical field
The utility model relates to a kind of valve component, particularly a kind of high-temperature hard sealing ball valve.
Background technique
Hard sealing high-temperature ball valve mainly is applicable to industrial systems such as oil, letter shoot line and power station, chemical industry, metallurgy; it has advantages such as high temperature resistant, anticorrosive, applied widely, that operation is nimble; though existing hard sealing high-temperature ball valve has certain wear-resisting, anti-scouring capability; but because it is to use in containing media environments such as grains of sand impurity, thick slurry or high temperature soda acid; usually can cause the seepage phenomenon because of the scratch sealing surface that suffers grains of sand impurity, and easy care not.
The model utility content
The utility model is by improving existing ball-valve structure, thereby improved the sealing of whole ball valve, and make whole ball valve be easy to dismounting, be convenient to repair, the utility model provides a kind of high-temperature hard sealing ball valve, comprise valve body, valve gap, spheroid, back shaft, upper valve rod, lower valve rod, support, handle, steel pipe and adapter, described spheroid is provided with through hole, described spheroid is arranged between 2 valve seats in the valve body, described valve body one end is provided with back shaft, the valve body the other end is provided with support, and described valve body is provided with the through hole corresponding with spheroid with valve gap, and described valve gap is by being bolted to the valve body two ends, be provided with lower valve rod in the described support, described lower valve rod is provided with corresponding upper valve rod, and described upper valve rod is provided with corresponding top flange, and described upper valve rod one end is provided with corresponding handle, be provided with steel pipe in the described handle, described valve body is provided with adapter, takes over and is provided with needle value, and described needle value one end is provided with foam cock.
As a kind of improvement of the present utility model, be provided with fire-protection ring between described valve seat and the valve gap, because hard sealing high-temperature ball valve mainly is applicable to industrial systems such as oil, letter shoot line and power station, chemical industry, metallurgy, therefore between valve seat and valve gap fire-protection ring is set for avoiding catching fire.
As another kind of improvement the of the present utility model, be provided with thrust washer between described upper valve rod and the lower valve rod, in order to increase sealing between upper valve rod and the lower valve rod, the utility model is provided with thrust washer between upper valve rod and lower valve rod.
As another kind of improvement the of the present utility model, be disposed with dish spring, Graphite pad and pad between described support and the valve body, be disposed with dish spring, Graphite pad and pad between described top flange and the support, in order to improve the overall tightness of ball valve described in the utility model, the utility model is disposed with dish spring, Graphite pad and pad between support and valve body, be disposed with dish spring, Graphite pad and pad between top flange and support.
The utility model connects by bolt to make whole ball valve be easy to dismounting to be convenient to safeguard, and form 2 seal structures by between spheroid and valve seat, adopting metallic seal and upper and lower valve rod to seal respectively, increased the sealability of whole ball valve, made ball valve 400 degrees centigrade of various medium fluid that can be suitable for.
Description of drawings
Fig. 1 is a schematic representation of the present utility model
Fig. 2 is a partial sectional view of the present utility model
Member among the figure is:
1, valve body; 2, valve gap; 3, spheroid; 4, back shaft; 5, upper valve rod;
6, lower valve rod; 7, support; 8, handle; 9, steel pipe; 10, take over;
11, valve seat; 12, bolt; 13, top flange; 14, needle value; 15, foam cock;
16, fire-protection ring; 17, thrust washer; 18, dish spring; 19, Graphite pad; 20 pads;
Embodiment
Below in conjunction with drawings and Examples model utility is described in detail:
The utility model is by carrying out simple modifications to existing ball-valve structure, thereby improved the sealing of whole ball valve, and makes whole ball valve be easy to dismounting, is convenient to repair.
The utility model provides a kind of high-temperature hard sealing ball valve as shown in Figure 1, its internal view comprises valve body 1 as shown in Figure 2, valve gap 2, spheroid 3, back shaft 4, upper valve rod 5, lower valve rod 6, support 7, handle 8, steel pipe 9 and adapter 10, described spheroid 3 is provided with through hole, described spheroid 3 is arranged between 2 valve seats 11 in the valve body 1, described valve body 1 one ends are provided with back shaft 4, valve body 1 the other end is provided with support 7, described valve body 1 and valve gap 2 are provided with the through hole corresponding with spheroid 3, can be provided with fire-protection ring 16 between described valve seat 11 and the valve gap 2, because hard sealing high-temperature ball valve mainly is applicable to oil, letter shoot line and power station, chemical industry, industrial systems such as metallurgy, therefore between valve seat 11 and valve gap 2, fire-protection ring 16 is set for avoiding catching fire, described valve gap 2 is fixed on valve body 1 two ends by bolt 12, be provided with lower valve rod 6 in the described support 7, described lower valve rod 6 is provided with corresponding upper valve rod 5, be provided with thrust washer 17 between described upper valve rod 5 and the lower valve rod 6, in order to increase sealing between upper valve rod 5 and the lower valve rod 6, the utility model is provided with thrust washer 17 between upper valve rod 5 and lower valve rod 6, described upper valve rod 5 is provided with corresponding top flange 13, described upper valve rod 5 one ends are provided with corresponding handle 8, be provided with steel pipe 9 in the described handle 8, described valve gap 2 is provided with takes over 10, take over 10 and be provided with needle value 14, described needle value 14 1 ends are provided with foam cock 15, be disposed with dish spring 18 between described support 7 and the valve body 1, Graphite pad 19 and pad 20, be disposed with dish spring 18 between described top flange 13 and the support 7, Graphite pad 19 and pad 20, in order to improve the overall tightness of ball valve described in the utility model, the utility model is disposed with dish spring 18 between support 7 and valve body 1, Graphite pad 19 and pad 20 are disposed with dish spring 18 between top flange 13 and support 7, Graphite pad 19 and pad 20.
The utility model is by rotating steel pipe 9 when using, and drives valve body 1 interior spheroid 3 by valve rod and rotate, and makes through hole on spheroid 3 medial axis communicate with the upstream and downstream mouth of pipe to realize to dredge.
The utility model connects by bolt to make whole ball valve be easy to dismounting to be convenient to safeguard, and form 2 seal structures by between spheroid and valve seat, adopting metallic seal and upper and lower valve rod to seal respectively, increased the sealability of whole ball valve, made ball valve 400 degrees centigrade of various medium fluid that can be suitable for.
The above; it only is preferred embodiment of the present utility model; be not to be the restriction of the utility model being made any other form, and, still belong to the utility model scope required for protection according to any modification or equivalent variations that technical spirit of the present utility model is done.
Claims (5)
1. high-temperature hard sealing ball valve, comprise valve body (1), valve gap (2), spheroid (3), back shaft (4), upper valve rod (5), lower valve rod (6), support (7), handle (8), steel pipe (9) and adapter (10), described spheroid (3) is provided with through hole, described spheroid (3) is arranged between 2 valve seats (11) in the valve body (1), described valve body (1) one end is provided with back shaft (4), valve body (1) the other end is provided with support (7), it is characterized in that: described valve body (1) is provided with and the corresponding through hole of spheroid (3) with valve gap (2), described valve gap (2) is fixed on valve body (1) two ends by bolt (12), be provided with lower valve rod (6) in the described support (7), described lower valve rod (6) is provided with corresponding upper valve rod (5), described upper valve rod (5) is provided with corresponding top flange (13), described upper valve rod (5) one ends are provided with corresponding handle (8), be provided with steel pipe (9) in the described handle (8), described valve body (1) is provided with adapter (10), take over (10) and be provided with needle value (14), described needle value (14) one ends are provided with foam cock (15).
2. a kind of high-temperature hard sealing ball valve according to claim 1 is characterized in that: be provided with fire-protection ring (16) between described valve seat (11) and the valve gap (2).
3. a kind of high-temperature hard sealing ball valve according to claim 1 is characterized in that: be provided with thrust washer (17) between described upper valve rod (5) and the lower valve rod (6).
4. according to claim 1 or 2 or 3 described a kind of high-temperature hard sealing ball valves, it is characterized in that: be disposed with dish spring (18), Graphite pad (19) and pad (20) between described support (7) and the valve body (1).
5. according to claim 1 or 2 or 3 described a kind of high-temperature hard sealing ball valves, it is characterized in that: be disposed with dish spring (18), Graphite pad (19) and pad (20) between described top flange (13) and the support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020270651XU CN201723768U (en) | 2010-07-26 | 2010-07-26 | High-temperature hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020270651XU CN201723768U (en) | 2010-07-26 | 2010-07-26 | High-temperature hard sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723768U true CN201723768U (en) | 2011-01-26 |
Family
ID=43492095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020270651XU Expired - Fee Related CN201723768U (en) | 2010-07-26 | 2010-07-26 | High-temperature hard sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723768U (en) |
-
2010
- 2010-07-26 CN CN201020270651XU patent/CN201723768U/en not_active Expired - Fee Related
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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: 20110126 Termination date: 20180726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |