CN201764039U - Self non-return stop valve - Google Patents
Self non-return stop valve Download PDFInfo
- Publication number
- CN201764039U CN201764039U CN2010202629157U CN201020262915U CN201764039U CN 201764039 U CN201764039 U CN 201764039U CN 2010202629157 U CN2010202629157 U CN 2010202629157U CN 201020262915 U CN201020262915 U CN 201020262915U CN 201764039 U CN201764039 U CN 201764039U
- Authority
- CN
- China
- Prior art keywords
- valve
- stop valve
- spool
- return stop
- seat portion
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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- Lift Valve (AREA)
Abstract
The utility model discloses a self non-return stop valve comprising a stop valve body, a valve cover (12) and a valve rod (13). The stop valve body is provided with a fluid inlet and a fluid outlet; the valve cover (12) is screwed on the stop valve body (8); the valve rod (13) is screwed in the valve cover (12) in a threaded way; and a handle (15) is arranged at the upper end of the valve rod (13). The stop valve is characterized in that a stage hole is arranged at the lower end of the valve rod (13), a spring (11) and a valve core (10) are arranged in an inner cavity of the stage hole, the stop valve main body is provided with a valve seat on a flow channel in an axial moving path corresponding to the valve core (10), and the valve core (10) is pressed by the spring (11) so as to abut against the valve member in sealing manner. The utility model has simple structure, good sealing property, reasonable and compact structure, simple process, low cost, energy conservation and long service life.
Description
Technical field
The utility model belongs to the valve technology field, is used for other media control systems such as system water supply, air feed, fuel feeding, is specifically related to stop valve.
Background technique
Stop valve is made up of main body and valve gap, valve rod, handle in the prior art, and the keying of valve is the rotation by handle, and valve rod is up and down, realizes the switch of valve.But because the having many uses of valve, valve medium of system when opening work is can two-way flow, can't realize medium in accordance with regulations direction flow.
In thermodynamic system, since the exit of pump that is connected with pressure piping or pressurized container, the boiler feed water pipeline, and extracted steam from turbine pipeline and other do not allow the pipeline of reverse fluid flow, need that all check valve is installed in addition and avoid the medium reverse flow.If system must non-returnly need check valve or non-return core are installed, but the installation of above-mentioned check valve or non-return core has improved the cost of system, increase system valve door interface quantity, the waste resource is runed counter to energy-conservation, also increases the system leak risk undoubtedly.
Summary of the invention
For solving above-mentioned skill prior art stop valve and check valve simultaneously mounting structure complexity, defective that system's disclosure risk is big, provide a kind of simple in structure, good airproof performance, switching laborsaving, durable, and possess simultaneously stop valve and check valve function from non-return stop valve.
For solving the problems of the technologies described above, technological scheme that the utility model adopts is: a kind of from non-return stop valve, have band fluid input and fluid output the stop valve body, be spun on valve gap on the stop valve body and screw thread spin with valve gap in valve rod, valve rod upper end mounting knob, it is characterized in that, the valve rod lower end has step hole, the step hole inner chamber is placed with spring and spool, the stop valve body on runner, moving axially of corresponding spool be provided with seat portion in the path, spool by spring energized and with described seat portion sealing butt.
Further, the abutment end of described spool and seat portion is established rubber sheet gasket.
Or the abutment end of described spool and seat portion is established the O ring.
Or the abutment end of described spool and seat portion is established the PTFE pad.
Or described spool and seat portion are rigid seal.
Further again, be with at least one sealing O ring between described valve rod and the valve gap.
Described valve gap is with at least one sealing O ring outward.
Described fluid input and fluid output are arranged on same axle and are provided with.
Described fluid input and fluid output are arranged on the disalignment setting.
Of the present utility model from non-return stop valve, when gas (or liquid) by when non-return stop valve entrance point enters outlet end, pushing spool open, valve open makes gas (or liquid) pass through valve; When outlet end pressure during less than entrance point the elastic force effect lower valve core at spring move down sealed valve, thereby play non-return effect.With the valve rod traling, the power of valve rod directly acts on spool, throttle down with handle.
The utility model is compared with the prior art stop valve, and is simple in structure, and good airproof performance is rational in infrastructure, compact, and processing is simple, cost savings, energy-conservation, long service life.
Description of drawings
Fig. 1 is that the utility model is from non-return stop valve the 1st embodiment's sectional drawing; Fig. 2 is that the profile diagram that flows to mark: Fig. 3 is that the utility model is from non-return stop valve the 2nd embodiment's sectional drawing; Wherein, reference character: 7, O ring; 11, spring; 8, stop valve body; 12, valve gap; 9, rubber sheet gasket; 13, valve rod; 10, spool; 14, O ring; 15, handle.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail: 1 one kinds of embodiments are from non-return stop valve, stop valve body with band fluid input and fluid output, be spun on valve gap 12 on the stop valve body 8 and screw thread spin with valve gap 12 in valve rod 13, valve rod 13 upper end mounting knobs 15, it is characterized in that, valve rod 13 lower ends have step hole, the step hole inner chamber is placed with spring 11 and spool 10, the stop valve body is on runner, corresponding moving axially of spool 10 is provided with seat portion in the path, spool 10 by spring 11 application of forces and with the described seat portion sealing butt of stating.
Spool 1 is established rubber sheet gasket 9 with the abutment end of seat portion.Spool 10 is formed sealing pair with rubber sheet gasket 9, slides up and down under the inherent gas (or liquid) in hole of sealing pair upper end insertion valve rod 13 and the effect of spring 11.Handle 15 effect lower seal pair at spring 11 when outwarding winding constitutes the selfsealings systems with stop valve body 8.
Be with two sealing O rings 14 between valve rod 13 and the valve gap 12, the O ring seals.
Be with a sealing O ring 7 outside the valve gap 12.
Import according to the Environmental Conditions product of product can be coaxial with outlet, also can vertically or have a certain degree.As fluid input among Fig. 1 and fluid output is coaxial setting, shown in Figure 2 from non-return stop valve fluid input and fluid output formation several angle.
In order to prevent that medium from refluxing from valve export, the sealing means of spool 10 and stop valve body 8 can be for O ring, rubber sheet gasket, PTFE pad or directly with forms such as metal hard-sealings.
Though the utility model illustrates and describes by the reference preferred embodiment; but; those of ordinary skills should understand; can be not limited to the description of present embodiment; in the scope of claims, the various variation that can do on form and the details all belongs to the utility model protection domain.
Claims (9)
1. one kind from non-return stop valve, have band fluid input and fluid output the stop valve body, be spun on valve gap (12) on the stop valve body (8) and screw thread spin with valve gap (12) in valve rod (13), valve rod (13) upper end mounting knob (15), it is characterized in that, valve rod (13) lower end has step hole, the step hole inner chamber is placed with spring (11) and spool (10), the stop valve body on runner, moving axially of corresponding spool (10) be provided with seat portion in the path, spool (10) by spring (11) application of force and with described seat portion sealing butt.
2. as claimed in claim 1 from non-return stop valve, it is characterized in that the abutment end of spool (10) and seat portion is established rubber sheet gasket (9).
3. as claimed in claim 1 from non-return stop valve, it is characterized in that the abutment end of spool (10) and seat portion is established the O ring.
4. as claimed in claim 1 from non-return stop valve, it is characterized in that the abutment end of spool (10) and seat portion is established the PTFE pad.
5. as claimed in claim 1 from non-return stop valve, it is characterized in that spool (10) and seat portion are rigid seal.
6. as claimed in claim 1 from non-return stop valve, it is characterized in that being with between valve rod (10) and the valve gap (12) at least one sealing O ring (14).
7. as claimed in claim 1 from non-return stop valve, it is characterized in that outer at least one the sealing O ring (7) that is with of valve gap (12).
8. as claimed in claim 1 from non-return stop valve, it is characterized in that fluid input and fluid output are arranged on same axle and are provided with.
9. as claimed in claim 1 from non-return stop valve, it is characterized in that fluid input and fluid output are arranged on the disalignment setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202629157U CN201764039U (en) | 2010-07-19 | 2010-07-19 | Self non-return stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202629157U CN201764039U (en) | 2010-07-19 | 2010-07-19 | Self non-return stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201764039U true CN201764039U (en) | 2011-03-16 |
Family
ID=43716644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202629157U Expired - Lifetime CN201764039U (en) | 2010-07-19 | 2010-07-19 | Self non-return stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201764039U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588635A (en) * | 2011-07-21 | 2012-07-18 | 天津市国威给排水设备制造有限公司 | Return stop valve |
| CN102966771A (en) * | 2012-11-16 | 2013-03-13 | 宁波索诺工业自控设备有限公司 | One-way throttle valve |
| WO2014108073A1 (en) * | 2013-01-08 | 2014-07-17 | 南通欧意姆制冷设备有限公司 | Piston type check valve |
| CN108253164A (en) * | 2018-03-27 | 2018-07-06 | 高特控股集团有限公司 | It is a kind of can be to check-valves that pressure is adjusted |
-
2010
- 2010-07-19 CN CN2010202629157U patent/CN201764039U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588635A (en) * | 2011-07-21 | 2012-07-18 | 天津市国威给排水设备制造有限公司 | Return stop valve |
| CN102966771A (en) * | 2012-11-16 | 2013-03-13 | 宁波索诺工业自控设备有限公司 | One-way throttle valve |
| CN102966771B (en) * | 2012-11-16 | 2014-07-16 | 宁波索诺工业自控设备有限公司 | One-way throttle valve |
| WO2014108073A1 (en) * | 2013-01-08 | 2014-07-17 | 南通欧意姆制冷设备有限公司 | Piston type check valve |
| CN108253164A (en) * | 2018-03-27 | 2018-07-06 | 高特控股集团有限公司 | It is a kind of can be to check-valves that pressure is adjusted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU IDC INVESTMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG IDC FLUID CONTROL CO., LTD. Effective date: 20150409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310003 TAIZHOU, ZHEJIANG PROVINCE TO: 317600 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150409 Address after: 317600 Zhejiang Province, Yuhuan County City Jade Street Sha Ao Cun (electromechanical Industrial Park) Patentee after: Taizhou aidixi Investment Co. Ltd. Address before: Taizhou City, Zhejiang province Yuhuan County electromechanical Industrial Park 310003 Patentee before: Zhejiang IDC Fluid Control Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 317600 Zhejiang Province, Yuhuan County City Jade Street Sha Ao Cun (electromechanical Industrial Park) Patentee after: Taizhou aidixi fluid control Co. Ltd. Address before: 317600 Zhejiang Province, Yuhuan County City Jade Street Sha Ao Cun (electromechanical Industrial Park) Patentee before: Taizhou aidixi Investment Co. Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171127 Address after: 314304 Zhejiang Haiyan New District Economic Development Zone Bridge palm Road No. 555 Patentee after: JIAXING AIDIXI HEATING VENTILATION SCIENCE & TECHNOLOGY CO., LTD. Address before: 317600 Zhejiang Province, Yuhuan County City Jade Street Sha Ao Cun (electromechanical Industrial Park) Patentee before: Taizhou aidixi fluid control Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |
|
| CX01 | Expiry of patent term |