CN103953733B - Novel stop valve - Google Patents
Novel stop valve Download PDFInfo
- Publication number
- CN103953733B CN103953733B CN201410149290.6A CN201410149290A CN103953733B CN 103953733 B CN103953733 B CN 103953733B CN 201410149290 A CN201410149290 A CN 201410149290A CN 103953733 B CN103953733 B CN 103953733B
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- CN
- China
- Prior art keywords
- valve
- liquid
- valve body
- fluid passage
- valve element
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Check Valves (AREA)
Abstract
The invention provides a novel stop valve. The novel stop valve comprises a valve body, a valve seat, a valve rod and a valve element, wherein a liquid channel is formed in the valve body; a liquid inlet port is formed in the first side of the valve body; a liquid outlet port is formed in the second side of the valve body; the valve seat is mounted on the valve body; the valve element is mounted at the lower end of the valve rod in a vertical sliding way and is located above the liquid channel; under a free state, the valve element can seal the liquid channel under the effect of dead weight; under a liquid supply work state, the liquid pressure of the liquid inlet port is higher than the liquid pressure of the liquid outlet port; the valve element is pushed to upwards move to open the liquid channel under the hydraulic effect; under a cut-off work state, the liquid pressure of the liquid inlet port is lower than the liquid pressure of the liquid outlet port; the valve element is pushed to downwards move to seal the liquid channel under a dead-weight effect of the valve element and the hydraulic effect. The novel stop valve has two functions of a stop valve and a check valve, the pipeline mounting efficiency is improved, the cost is saved, and the leakage problem existing in secondary installation is avoided.
Description
Technical field
The present invention relates to valve technology field, more particularly to a kind of novel cutoff valve.
Background technology
In traditional Pipe installing, in order to control the backflow phenomenon of pumped (conveying) medium and feed flow be controlled, one
As a check-valves and a stop valve are installed on conveying branch road；In order to realize above-mentioned technique effect, pacify simultaneously on pipeline
A check-valves and a stop valve are filled, its operation is comparatively laborious and relatively costly, secondary installing has the hidden danger of leakage.
The content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of simultaneously with stop valve and non-return
The novel cutoff valve of two kinds of functions of valve, improves Pipe installing efficiency, saved installation cost, it is to avoid what secondary installing was present
Leakage problem.
A kind of novel cutoff valve proposed by the present invention, including valve body, valve seat, valve rod and valve element；Liquid is provided with valve body
Passage, the central axis of fluid passage is provided with feed liquor port, feed liquor port and liquid in vertical direction arrangement in the side of valve body first
The feed liquor direction of channel connection and feed liquor port is provided with liquid outlet mouth in fluid passage lower section in the side of valve body second, goes out liquid
Port connects with fluid passage and the liquid direction that goes out of liquid outlet channel is in fluid passage top；Valve seat is arranged on valve body, valve
Bar is arranged on valve seat in vertical direction, and valve element can slide up and down to installed in valve rod lower end and in fluid passage top, valve
Core matches somebody with somebody to merge with fluid passage can be opened or sealing liquid passage；In a free state, valve element sealing liquid under Gravitative Loads
Passage；Under feed flow working condition, the fluid pressure of feed liquor port is pushed away more than the fluid pressure of liquid outlet mouth under hydraulic action
Movable valve plug moves to open fluid passage upwards；Under cut-off working condition, the fluid pressure of feed liquor port is less than liquid outlet mouth
Fluid pressure, under the Gravitative Loads and hydraulic action of valve element promote valve element move downward with sealing liquid passage.
Preferably, valve element includes core bar and core print, and core print is located at core bar lower end, and core bar can slide up and down to installed in valve rod
Lower end.
Preferably, the pilot hole of opening is provided with valve rod lower end, core bar is arranged in pilot hole, and core bar can be in pilot hole
Slide up and down.
Preferably, baffle ring of the internal diameter less than pilot hole internal diameter is provided with pilot hole lower end, is provided with external diameter in core bar upper end big
In the baffle plate of core bar external diameter.
Preferably, core print is up big and down small pyramidal structure.
Preferably, fluid passage is circular channel, and core print is up big and down small conical structure.
Preferably, in the state of valve element sealing liquid passage, in linear sealing structure or face between valve element and fluid passage
Sealing structure.
Preferably, valve rod is threaded connection mode on valve seat, and connects positioned at screw thread between valve rod and valve seat
The side of connecting is provided with sealing ring.
Preferably, valve seat is threaded connection mode on valve body, and sealing ring is provided between valve body and valve seat.
Preferably, feed liquor internal thread hole is provided with the feed liquor port of valve body, in the liquid outlet mouth of valve body spiral shell in liquid is provided with out
Pit.
In the present invention, the valve element of novel cutoff valve matches somebody with somebody to merge with fluid passage can be opened or sealing liquid passage；Liquid feeding end
During confession liquid, to open fluid passage, liquid is delivered to out liquid to inlet hydraulic jack-up valve element from feed liquor port by fluid passage
Port；When feed liquor port stops feed flow, the sealing liquid passage in the presence of valve element deadweight and return hydraulic coupling reaches check-valves
Effect；Additionally, the valve rod screwed on valve body is pressed on valve element on valve body, the effect of stop valve is reached.It is proposed by the present invention new
Type stop valve, improves Pipe installing efficiency, saved cost, it is to avoid the leakage problem that secondary installing is present.
Description of the drawings
Fig. 1 is a kind of structural representation of novel cutoff valve proposed by the present invention.
Fig. 2 is the structural representation of valve element in Fig. 1.
Structural representations of the Fig. 3 for the novel cutoff valve in Fig. 1 in feed liquor.
Structural representations of the Fig. 4 for the novel cutoff valve in Fig. 1 when liquid is returned.
Specific embodiment
As depicted in figs. 1 and 2, Fig. 1 is a kind of structural representation of novel cutoff valve proposed by the present invention, and Fig. 2 is in Fig. 1
The structural representation of valve element.
See figures.1.and.2, a kind of novel cutoff valve proposed by the present invention, including valve body 1, valve seat 2, valve rod 3 and valve element 4.
Round liquid passage 10 is provided with valve body 1, the central axis of fluid passage 10 is arranged in vertical direction；In valve body
1 first side is provided with feed liquor port 11, and feed liquor port 11 connects with fluid passage 10 and the feed liquor direction of feed liquor port 11 is in
The lower section of fluid passage 10, in the side of valve body 1 second liquid outlet mouth 12 is provided with, and liquid outlet mouth 12 connects and go out liquid with fluid passage 10
The liquid direction that goes out of passage 12 is in the top of fluid passage 10；Feed liquor internal thread hole is provided with the feed liquor port 11 of valve body 1, in valve body
1 liquid outlet mouth 12 is provided with out liquid internal thread hole.
Valve seat 2 is threaded connection mode on valve body 1, and sealing ring, valve rod 3 are provided between valve body 1 and valve seat 2
It is threaded connection mode to be arranged on valve seat 2 in vertical direction, is located between valve rod 3 and valve seat 2 above being threadedly coupled and sets
There is sealing ring.
Valve element 4 can slide up and down to installed in the lower end of valve rod 3 and in the top of fluid passage 10, and valve element 4 includes core bar 41
With conical core print 42, core print 42 is located at the lower end of core bar 41, and core bar 41 can slide up and down to installed in the lower end of valve rod 3；Specifically,
The pilot hole 31 of opening is provided with the lower end of valve rod 3, core bar 41 is arranged in pilot hole 31, core bar 41 can be in pilot hole 31 up and down
Slide；Baffle ring 32 of the internal diameter less than the internal diameter of pilot hole 31 is provided with the lower end of pilot hole 31, external diameter is provided with the upper end of core bar 41 and is more than
The baffle plate 43 of the external diameter of core bar 41, valve element 4 matches somebody with somebody to merge with fluid passage 10 can be opened or sealing liquid passage 10；Close in valve element 4
It is in linear sealing structure between valve element 4 and fluid passage 10 in the state of fluid passage 10.
In a free state, the sealing liquid passage 10 under Gravitative Loads of valve element 4；Under feed flow working condition, such as Fig. 3 institutes
Show, the fluid pressure of feed liquor port 11 promotes valve element 4 to move upwards more than the fluid pressure of liquid outlet mouth 12 under hydraulic action
To open fluid passage 10；Under cut-off working condition, as shown in figure 4, the fluid pressure of feed liquor port 11 is less than liquid outlet mouth
12 fluid pressure, promotes valve element 4 to move downward with sealing liquid passage under the Gravitative Loads and hydraulic action of valve element 4
10。
In the present invention, when the feed liquor port 11 of valve body 1 starts feed liquor, inlet hydraulic meeting jack-up valve element 4, so as to get through liquid
Body passage 10, reaches into water purpose, while valve element 4 is under the influence of feed speed, the pilot hole 31 on valve rod 3 moves up and down,
To adapt to different flow stream velocities；When the feed liquor port 11 of valve body 1 stops feed flow, in the deadweight of valve element 4 and return hydraulic coupling
Under the influence of, sealing liquid passage 10 reaches the effect of check-valves；In addition the handle screwed on valve body 1 is pressed on movable valve plug 2
On valve body 1, the effect of stop valve is reached.Novel cutoff valve proposed by the present invention, improves Pipe installing efficiency, saved into
This, it is to avoid the leakage problem that secondary installing is present.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (6)
1. a kind of novel cutoff valve, it is characterised in that including valve body (1), valve seat (2), valve rod (3) and valve element (4)；In valve body
(1) fluid passage (10) is provided with, the central axis of fluid passage (10) is arranged in vertical direction, set in the side of valve body (1) first
There is feed liquor port (11), feed liquor port (11) connect with fluid passage (10) and the feed liquor direction of feed liquor port (11) is in liquid
Body passage (10) lower section, in the side of valve body (1) second liquid outlet mouth (12) is provided with, and liquid outlet mouth (12) is connected with fluid passage (10)
And the liquid direction that goes out of liquid outlet mouth (12) is in fluid passage (10) top；Valve seat (2) on valve body (1), valve rod (3)
It is arranged on valve seat (2) in vertical direction, valve element (4) can slide up and down to installed in valve rod (3) lower end and in fluid passage
(10) top, valve element (4) and fluid passage (10) can be opened or sealing liquid passage (10) with merging；In a free state, valve
Core (4) sealing liquid passage (10) under Gravitative Loads；Under feed flow working condition, the fluid pressure of feed liquor port (11) is more than
The fluid pressure of liquid outlet mouth (12), promotes valve element (4) to move to open fluid passage (10) upwards under hydraulic action；Cutting
Only under working condition, the fluid pressure of feed liquor port (11) is less than the fluid pressure of liquid outlet mouth (12), in the deadweight of valve element (4)
Valve element (4) is promoted to move downward with sealing liquid passage (10) under effect and hydraulic action；
Valve element (4) includes core bar (41) and core print (42), and core print (42) is located at core bar (41) lower end, and core bar (41) can be slided up and down
Ground is arranged on valve rod (3) lower end；The pilot hole (31) of opening is provided with valve rod (3) lower end, core bar (41) is installed in pilot hole
(31) in, core bar (41) can be slided up and down in pilot hole (31)；In pilot hole (31) lower end internal diameter is provided with less than pilot hole
(31) baffle ring (32) of internal diameter, in core bar (41) upper end baffle plate (43) of the external diameter more than core bar (41) external diameter is provided with；Core print (42)
For up big and down small pyramidal structure.
2. novel cutoff valve according to claim 1, it is characterised in that fluid passage (10) is circular channel, core print
(42) it is up big and down small conical structure.
3. novel cutoff valve according to claim 1 and 2, it is characterised in that in valve element (4) sealing liquid passage (10)
Under state, in linear sealing structure or surface seal structure between valve element (4) and fluid passage (10).
4. novel cutoff valve according to claim 1 and 2, it is characterised in that valve rod (3) mode of being threaded connection is installed
On valve seat (2), and sealing ring is provided with above being threadedly coupled between valve rod (3) and valve seat (2).
5. novel cutoff valve according to claim 1 and 2, it is characterised in that valve seat (2) mode of being threaded connection is installed
On valve body (1), and sealing ring is provided between valve body (1) and valve seat (2).
6. novel cutoff valve according to claim 1 and 2, it is characterised in that be provided with the feed liquor port (11) of valve body (1)
Feed liquor internal thread hole, in the liquid outlet mouth (12) of valve body (1) liquid internal thread hole is provided with out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149290.6A CN103953733B (en) | 2014-04-14 | 2014-04-14 | Novel stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149290.6A CN103953733B (en) | 2014-04-14 | 2014-04-14 | Novel stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953733A CN103953733A (en) | 2014-07-30 |
| CN103953733B true CN103953733B (en) | 2017-05-03 |
Family
ID=51331048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410149290.6A Active CN103953733B (en) | 2014-04-14 | 2014-04-14 | Novel stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103953733B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641295A (en) * | 2015-10-28 | 2017-05-10 | 江苏海达船用阀业有限公司 | High-temperature-resisting check and stop valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720204Y (en) * | 2004-08-16 | 2005-08-24 | 浙江盾安华强机械有限公司 | Stopping non-return valve |
| CN201071938Y (en) * | 2007-07-26 | 2008-06-11 | 上海凯工阀门有限公司 | Dual-purpose valve |
| CN201351738Y (en) * | 2008-12-30 | 2009-11-25 | 九江中船长安消防设备有限公司 | Valve |
| CN202280884U (en) * | 2011-08-29 | 2012-06-20 | 江苏河海新能源有限公司 | Stop-check valve |
| CN202451895U (en) * | 2011-12-20 | 2012-09-26 | 季克寅 | Stop check valve |
| CN203892571U (en) * | 2014-04-14 | 2014-10-22 | 安徽正石新型建材有限公司 | Novel stop valve |
-
2014
- 2014-04-14 CN CN201410149290.6A patent/CN103953733B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103953733A (en) | 2014-07-30 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180619 Address after: 241000 Anhui Anhui, Wuhu, Wuhu Anhui New Economic Development Zone Industrial Avenue 3399 (Anhui Zheng Shi new building materials Co., Ltd.) Patentee after: Anhui Gu Er Kang Pipe Industry Co., Ltd. Address before: 241100 3399 weft four road, new Wuyuan Industrial Park, Wuhu, Wuhu, Anhui Patentee before: ANHUI ZHENGSHI NEW BUILDING MATERIAL CO., LTD. |