CN204239803U - Small-bore cast steel soft seal fixing ball valve - Google Patents
Small-bore cast steel soft seal fixing ball valve Download PDFInfo
- Publication number
- CN204239803U CN204239803U CN201420537119.8U CN201420537119U CN204239803U CN 204239803 U CN204239803 U CN 204239803U CN 201420537119 U CN201420537119 U CN 201420537119U CN 204239803 U CN204239803 U CN 204239803U
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- CN
- China
- Prior art keywords
- valve
- valve body
- spheroid
- metal seat
- 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
Links
- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000004809 Teflon Substances 0.000 claims abstract description 6
- 229920006362 Teflon® Polymers 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004429 Calibre Substances 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 244000017160 saligot Species 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of small-bore cast steel soft seal fixing ball valve, soft valve seat is provided with between described metal seat valve and spheroid, disc spring is provided with between described metal seat valve and valve body, on described spheroid, the opposite side of valve rod is also provided with back shaft, this back shaft is fixedly connected with valve body by screw, described valve rod and valve body intersection, back shaft and spheres intersect place are provided with bearing, top flange is also provided with between described handle and valve rod, described top flange is fixedly connected with by screw with between valve rod, and top flange is connected by key with between handle.By the way, the utility model adopts disc spring collocation structure, initial pretightening unit sealing load is provided by high capacity disc spring, metal seat valve place arranges auxiliary sealing structure, when meeting with fire, after teflon lost efficacy, fitted by butterfly spring promotion metal seat valve and spheroid, realize seal action, avoid the leakage of medium.
Description
Technical field
The utility model relates to ball valve field, particularly relates to a kind of small-bore cast steel soft seal fixing ball valve.
Background technique
The cast steel valve industry development of China is with a long history, and enterprise is numerous, but up till now neither cast steel valve manufacturing power, and compares one section of very long in addition gap abroad.The phenomenons such as the cast steel valve research and development ability that the production concentration degree of industry is low, high-end product matches is low, cast steel valve industry manufacturing technology level is low still exist, because cast steel valve industry is in the national economic development, play very important effect, can predict, in the following a very long time, the market application foreground of the cast steel valve of exploitation high parameter and the various working condition of adaptation is boundless especially.Find through investigation, what exist on the market is substantially all the cast steel valve of some high calibre pound levels, and small-bore cast steel valve is lack very much, and adapts to complex working condition requirement and can the small-bore cast steel valve of frpf phoenix hair water caltrop especially.Conventional cast steel ball valve adopts spring to provide initial pretightening unit sealing load, and use spring provide pretightening force endurance poor, easily lost efficacy.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of small-bore cast steel soft seal fixing ball valve, adopt disc spring collocation structure, initial pretightening unit sealing load is provided by high capacity disc spring, metal seat valve place arranges auxiliary sealing structure, when meeting with fire, after teflon lost efficacy, fitted by butterfly spring promotion metal seat valve and spheroid, realize seal action, avoid the leakage of medium.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: provide a kind of small-bore cast steel soft seal fixing ball valve, comprise: valve body, valve gap, spheroid, valve rod, metal seat valve and handle, described valve gap is arranged at the side of valve body, bolt is passed through between valve gap and valve body, nut connects, described spheroid is arranged at valve inner, metal seat valve is provided with between spheroid and valve body, one end of described valve rod connects spheroid, the other end stretches out outside valve body, be connected with handle stretching out the valve stem end place outside valve body, soft valve seat is provided with between described metal seat valve and spheroid, disc spring is provided with between described metal seat valve and valve body, on described spheroid, the opposite side of valve rod is also provided with back shaft, this back shaft is fixedly connected with valve body by screw, described valve rod and valve body intersection, back shaft and spheres intersect place are provided with bearing, top flange is also provided with between described handle and valve rod, described top flange is fixedly connected with by screw with between valve rod, top flange is connected by key with between handle.
Preferably, the material of described soft valve seat is teflon, when meeting with fire, after teflon losing efficacy, being fitted, realize seal action, avoid the leakage of medium by butterfly spring promotion metal seat valve and spheroid.
Preferably, between described valve gap and valve body, be provided with O type circle A; O type circle B is provided with between back shaft and valve body; O type circle C and O type circle D is provided with between metal seat valve and valve body; Be provided with O type circle E between valve rod and valve body, make valve have more reliably sealing.
Preferably, between described valve rod and valve body, anti-static spring M and antistatic bead is provided with; Be provided with anti-static spring N between spheroid and valve rod, avoid static sparking firing combustibles matter, guarantee security of system.
Preferably, fuel feeding valve is offered at described valve rod place; Metal seat valve place offers grease pouring valve, in emergency circumstances can temporarily sealing.
The beneficial effects of the utility model are: the utility model adopts disc spring collocation structure, initial pretightening unit sealing load is provided by high capacity disc spring, metal seat valve place arranges auxiliary sealing structure, when meeting with fire, after teflon lost efficacy, fitted by butterfly spring promotion metal seat valve and spheroid, realize seal action, avoid the leakage of medium; And fluid resistance is little, good airproof performance, easy accessibility, long service life, is suitable for working pressure high, severe operating conditions can be applicable to, there is the functions such as fire prevention, antistatic.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model small-bore cast steel soft seal fixing ball valve one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, valve body, and 2, valve gap, 3, spheroid, 4, valve rod, 5, back shaft, 6, top flange, 7, metal seat valve, 8, bolt, 9, nut, 10, disc spring, 11, O type circle A, 12, O type circle B, 13, O type circle C, 14, O type circle D, 15, O type circle E, 16, bearing, 17, anti-static spring M, 18, antistatic bead, 19, anti-static spring N, 20, fuel feeding valve, 21, grease pouring valve, 22, key, 23, handle, 24, soft valve seat.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Refer to Fig. 1, the utility model is embodiment comprise:
A kind of small-bore cast steel soft seal fixing ball valve, comprise: valve body 1, valve gap 2, spheroid 3, valve rod 4, metal seat valve 7 and handle 23, described valve gap 2 is arranged at the side of valve body 1, by bolt 8 between valve gap 2 and valve body 1, nut 9 connects, it is inner that described spheroid 3 is arranged at valve body 1, metal seat valve 7 is provided with between spheroid 3 and valve body 1, one end of described valve rod 4 connects spheroid 3, the other end stretches out outside valve body 1, handle 23 is connected with in valve rod 4 tail end of stretching out outside valve body 1, soft valve seat 24 is provided with between described metal seat valve 7 and spheroid 3, disc spring 10 is provided with between described metal seat valve 7 and valve body 1, on described spheroid 3, the opposite side of valve rod 3 is also provided with back shaft 5, this back shaft 5 is fixedly connected with valve body 1 by screw, described valve rod 4 and valve body 1 intersection, back shaft 5 and spheroid 3 intersection are provided with bearing 16, also be provided with between described handle 23 and valve rod 4 and push up flange 6, described top flange 6 is fixedly connected with by screw with between valve rod 4, top flange 6 is connected by key 22 with between handle 23.
The utility model adopts a multi-functional cast steel valve body 1 of independence and foundry goods valve gap 2, and can be good at the various pipeline connection requests meeting client, valve body 1, valve gap 2 are connected by bolt 8, nut 9, product is easily installed, quick detachable, easily exchange.
Valve rod 4 is connected with handle 23 by flat key 22, highly versatile, easy accessibility, and the little valve rod 4 in large upper end, lower end, under the location of valve body 1, even if when valve pocket boosts, also can ensure that valve rod 4 can not fly out.
Valve lumen adopts releasing pressure automatically design, the liquid medium being trapped in valve lumen is vaporized because temperature raises, when causing lumen pressure anomaly to raise, the medium in lumen can rely on the active force of itself to promote metal seat valve 7 and releasing pressure automatically, thus guarantees the safety of valve.
Anti-static spring N19 is set at spheroid 3 and valve rod 4 place, anti-static spring M17 and antistatic bead 18 are set between valve rod 4 and valve body 1, avoid static sparking firing combustibles matter, guarantee security of system.
Adopt disc spring 10 collocation structure, provide initial pretightening unit sealing load by high capacity disc spring 10, metal seat valve 7 place arranges auxiliary sealing structure, when meeting with fire, promoted valve seat 7 by butterfly spring 10 after soft valve seat 24 lost efficacy to fit with spheroid 3, realize seal action, avoid the leakage of medium.
Adopt bearing 16 to design at valve rod 4 and back shaft 5 place, the friction torque of valve rod 4, back shaft 5 can be reduced, make valve rod 4 long period of operation steadily flexible, improve the working life of valve.
O type circle A11 is provided with between described valve gap 2 and valve body 1; O type circle B12 is provided with between back shaft 5 and valve body 1; O type circle C13 and O type circle D14 is provided with between metal seat valve 7 and valve body 1; Be provided with O type circle E15 between valve rod 4 and valve body 1, make valve have more reliably sealing.
Fuel feeding valve 20 is offered at described valve rod 4 place; Metal seat valve 7 place offers grease pouring valve 21, in emergency circumstances can temporarily sealing.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a small-bore cast steel soft seal fixing ball valve, comprise: valve body, valve gap, spheroid, valve rod, metal seat valve and handle, described valve gap is arranged at the side of valve body, bolt is passed through between valve gap and valve body, nut connects, described spheroid is arranged at valve inner, metal seat valve is provided with between spheroid and valve body, one end of described valve rod connects spheroid, the other end stretches out outside valve body, be connected with handle stretching out the valve stem end place outside valve body, it is characterized in that, soft valve seat is provided with between described metal seat valve and spheroid, disc spring is provided with between described metal seat valve and valve body, on described spheroid, the opposite side of valve rod is also provided with back shaft, this back shaft is fixedly connected with valve body by screw, described valve rod and valve body intersection, back shaft and spheres intersect place are provided with bearing, top flange is also provided with between described handle and valve rod, described top flange is fixedly connected with by screw with between valve rod, top flange is connected by key with between handle.
2. small-bore cast steel soft seal fixing ball valve according to claim 1, is characterized in that, the material of described soft valve seat is teflon.
3. small-bore cast steel soft seal fixing ball valve according to claim 1, is characterized in that, is provided with O type circle A between described valve gap and valve body; O type circle B is provided with between back shaft and valve body; O type circle C and O type circle D is provided with between metal seat valve and valve body; O type circle E is provided with between valve rod and valve body.
4. small-bore cast steel soft seal fixing ball valve according to claim 1, is characterized in that, be provided with anti-static spring M and antistatic bead between described valve rod and valve body; Anti-static spring N is provided with between spheroid and valve rod.
5. small-bore cast steel soft seal fixing ball valve according to claim 1, is characterized in that, offer fuel feeding valve at described valve rod place; Metal seat valve place offers grease pouring valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537119.8U CN204239803U (en) | 2014-09-18 | 2014-09-18 | Small-bore cast steel soft seal fixing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537119.8U CN204239803U (en) | 2014-09-18 | 2014-09-18 | Small-bore cast steel soft seal fixing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239803U true CN204239803U (en) | 2015-04-01 |
Family
ID=52769302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537119.8U Expired - Fee Related CN204239803U (en) | 2014-09-18 | 2014-09-18 | Small-bore cast steel soft seal fixing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239803U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246952A (en) * | 2016-08-29 | 2016-12-21 | 苏州工业园区思达德阀门有限公司 | New-type cast steel two-piece type soft seal fixing ball valve |
| CN108757983A (en) * | 2018-05-21 | 2018-11-06 | 西诺威阀门控制（苏州）有限公司 | Ultralow temperature floating ball valve |
| CN110030399A (en) * | 2019-05-20 | 2019-07-19 | 江苏天域阀业制造有限公司 | Pipe clearing ball valve is filled in a kind of fixation |
| CN110094536A (en) * | 2019-05-17 | 2019-08-06 | 江苏天域阀业制造有限公司 | Ball valve is filled in a kind of floating |
| WO2022134455A1 (en) * | 2020-12-23 | 2022-06-30 | 浙江德卡控制阀仪表有限公司 | Beveled middle-flange small-bore fixed ball valve |
-
2014
- 2014-09-18 CN CN201420537119.8U patent/CN204239803U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246952A (en) * | 2016-08-29 | 2016-12-21 | 苏州工业园区思达德阀门有限公司 | New-type cast steel two-piece type soft seal fixing ball valve |
| CN108757983A (en) * | 2018-05-21 | 2018-11-06 | 西诺威阀门控制（苏州）有限公司 | Ultralow temperature floating ball valve |
| CN110094536A (en) * | 2019-05-17 | 2019-08-06 | 江苏天域阀业制造有限公司 | Ball valve is filled in a kind of floating |
| CN110030399A (en) * | 2019-05-20 | 2019-07-19 | 江苏天域阀业制造有限公司 | Pipe clearing ball valve is filled in a kind of fixation |
| WO2022134455A1 (en) * | 2020-12-23 | 2022-06-30 | 浙江德卡控制阀仪表有限公司 | Beveled middle-flange small-bore fixed ball valve |
| GB2608195A (en) * | 2020-12-23 | 2022-12-28 | Zhejiang Deca Control Valve Meter Co Ltd | Beveled middle-flange small-bore fixed ball valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 |