CN102384293A - Mechanical water-break automatic close valve - Google Patents
Mechanical water-break automatic close valve Download PDFInfo
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- CN102384293A CN102384293A CN201110361002XA CN201110361002A CN102384293A CN 102384293 A CN102384293 A CN 102384293A CN 201110361002X A CN201110361002X A CN 201110361002XA CN 201110361002 A CN201110361002 A CN 201110361002A CN 102384293 A CN102384293 A CN 102384293A
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- valve
- spool
- water
- slide block
- valve body
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Abstract
The invention discloses a mechanical water-break automatic close valve. In the mechanical water-break automatic close valve, the functions of controlling the on-off state and the water-break self-closing of water are achieved by utilizing the change of tap water pressure with water or without water, comparing water pressure with spring force, and controlling the position and the angle of a control valve core (7) under the action of a special cam mechanism, consisting of an inner cylinder cam (11) and a sliding block (5), of the valve. The mechanical water-break automatic close water has the characteristics of simple structure, low cost and precise action.
Description
Technical field
The invention belongs to the running water valve technical field, relate to a kind of automatic-closing valve of cutting off the water supply, be specifically related to a kind of mechanical type automatic-closing valve of cutting off the water supply.
Background technique
The electromagnetic type Self-closed water valve can be realized the function of water-stopping self-closing, but it exists cost high, and needs the shortcoming of power supply and sensor.
At present, the employed running water valve in public place and general family is old-fashioned structure, and they are made up of valve body, rotatable handle and spool.For stop valve, be to change its position through rotary spool, make be crushed to death water outlet place on valve body of rubber sealing gasket below the spool turn-off the water route; For ball valve, be to turn-off the water route through the position of rotary spool change ball valve valve port.The shortcoming of these valves is the functions that do not have water-cut off self-closure, if forget the water terminal equipment of closing downstream when cutting off the water, current are more than when coming water once more, not only waste the water source, also possibly cause flood, cause personal injury or property loss.
Purely mechanical water valve with similar functions is a kind of in addition, and it utilizes the effect of spool self gravitation, and hydraulic pressure disappearance back valve core falls to turn-offing the water route.But because it utilizes the effect of gravity, so there is the shortcoming that the setting angle of valve is had specific (special) requirements and easy misoperation.
Summary of the invention
In order to solve the deficiency that existing technology exists, the present invention provides a kind of simple in structure, cost is low, the accurate mechanical type of action is cut off the water supply automatic-closing valve, and this water valve can have no progeny in water supply and cut out automatically, and flowing water works the mischief incessantly and wastes when avoiding resuming water supply.
The working principle of patent of the present invention is:
The variation of tap water pressure when utilization has water and cuts off the water supply; Through comparing water pressure and spring force; And under the effect of the distinctive cam mechanism of being made up of interior cylindrical cam 11 and slide block 5 of this valve, the position and the angle of control spool 7 realize the break-make of controlled water flow and the function of water-cut off self-closure.
Its technological scheme is:
A kind of mechanical type automatic-closing valve of cutting off the water supply; Comprise valve rod 1, valve body 8, valve gap 2, spool 7, pressure spring 3, interior cylindrical cam 11, seal ring 6, slide block 5 and pad 4; Valve rod 1 is installed in the valve gap 2; The center sky on the top of valve gap 2 is passed in the upper end of valve rod 1, and the lower end of valve rod 1 is passed slide block 5 and is threaded with spool 7; Valve gap 2 is threaded with valve body 8; Spool 7 is installed in the cavity of valve body 8, and the cavity inner wall of valve body 8 is provided with seal groove, and seal ring 6 is housed respectively in the seal groove; Be contained in the top that an end of the pressure spring 3 on the valve rod 1 withstands valve gap 2, the other end is pressed on pad 4 and the slide block 5; Seal ring 6 is contained between valve body 8 and the spool 7, and interior cylindrical cam 11 cooperates with slide block 5; Slide block 5 links together with valve rod 1, and spring force acts on the spool 7, and slide block 5 can slide on interior cylindrical cam 11; When sliding, spool 7 rotates thereupon and moves down, and only water valve is opened when spool water outlet 9 and valve body water outlet 10 communicate; Wherein valve rod 1, pad 4 and spool 7 are through being threaded; Valve gap 2 and valve body 8 are through being threaded, and seal ring 6 is contained in the valve seal groove, seal with spool 7 extruding.
Further preferred, the number of said seal groove is 1～3.
Further preferred, said seal ring 6 is the O type.
Beneficial effect of the present invention:
(1) valve of the present invention can be had no progeny in water supply and closed automatically, and flowing water works the mischief incessantly and wastes when avoiding resuming water supply.
(2) the present invention has the pressure spring 3 and interior cylindrical cam 11 that changes spool 7 attitude angles, and is simple in structure, cost is low, action is accurate.
(3) have or not after valve of the present invention can visual judgement be cut off the water to resume water supply, observe and need not to open valve.
Description of drawings
Fig. 1 is the cut off the water supply sectional view of self acting stop valve door of mechanical type of the present invention;
Fig. 2 is the mechanical type of the present invention automatic-closing valve opening state figure that cuts off the water supply;
Fig. 3 is interior cylindrical cam illustraton of model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done explanation in further detail.
Referring to Fig. 1; A kind of mechanical type automatic-closing valve of cutting off the water supply; Comprise valve rod 1, valve body 8, valve gap 2, spool 7, pressure spring 3, interior cylindrical cam 11, O RunddichtringO 6, slide block 5 and pad 4; Valve rod 1 is installed in the valve gap 2, and the center sky on the top of valve gap 2 is passed in the upper end of valve rod 1, and the lower end of valve rod 1 is passed slide block 5 and is threaded with spool 7; Valve gap 2 is threaded with valve body 8; Spool 7 is installed in the cavity of valve body 8, and the cavity inner wall of valve body 8 is provided with 1～3 seal groove, and O RunddichtringO 6 is housed respectively in the seal groove; Be contained in the top that an end of the pressure spring 3 on the valve rod 1 withstands valve gap 2, the other end is pressed on pad 4 and the slide block 5; O RunddichtringO 6 is contained in valve body 8 and spool) between, interior cylindrical cam 11 cooperates with slide block 5; Slide block 5 links together with valve rod 1, and spring force acts on the spool 7, and slide block 5 can slide on interior cylindrical cam 11; When sliding, spool 7 rotates thereupon and moves down, and only water valve is opened when spool water outlet 9 and valve body water outlet 10 communicate; Wherein valve rod 1, pad 4 and spool 7 are through being threaded; Valve gap 2 and valve body 8 are through being threaded, and O RunddichtringO 6 is contained in the valve seal groove, seal with spool 7 extruding.
Because adopt technique scheme, the present invention adopts spring and cam mechanism, spool is contained in the valve body chamber, and can rotate therein and move up and down.Spool receives the effect of water pressure and spring force simultaneously; Through comparing the size of water pressure and spring force; And the effect of the cam mechanism of forming at the spring that is positioned at valve body and valve cover chamber and cylindrical cam, the slide block posture position and the attitude angle of control spool down, the break-make of realization controlled water flow and the function of water-cut off self-closure.Interior cylindrical cam illustraton of model is as shown in Figure 3.
As shown in Figure 2, only when the valve port on the spool and the water outlet on the valve body communicated, water valve just was in opening state.
The automatic-closing valve conducting of cutting off the water supply of this mechanical type needs to satisfy simultaneously two conditions, that is: the posture position of spool 7 and attitude angle are all suitable.
Under the situation of normal water supply, spool 7 positions are suitable, and the angle of rotary valve rod 1 regulating spool 7 can realize the open and close of valve, and its operating method and common water valve do not have significant difference.
After cutting off the water, hydraulic pressure descends near zero.Under the effect of pressure spring 3 and cam mechanism, rotation when spool 7 moves down, its position and angle all are changed, and promptly spool moves down into the bottom and revolves under spring and interior cylindrical cam effect and turn 90 degrees, and this moment, state was as shown in Figure 1; After resuming water supply, spool 7 does not receive the constraint of cam mechanism this moment, only under the effect of hydraulic pressure and pressure spring 3, moves straight up; And there is not spinning movement; Its position change and angle does not change, valve still is in off state, has realized the function of water-cut off self-closure.
In addition because spool 7 have, when anhydrous, the difference of spool 7 stop places has or not after can visual in view of the above judgement cutting off the water to resume water supply, and observes and need not to open valve.
The above; Be merely the preferable embodiment of the present invention; Protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the present invention discloses, and the simple change of the technological scheme that obtains or equivalence replacement all fall in protection scope of the present invention with may be obvious that.
Claims (3)
1. mechanical type automatic-closing valve of cutting off the water supply; It is characterized in that; Comprise valve rod (1), valve body (8), valve gap (2), spool (7), pressure spring (3), interior cylindrical cam (11), seal ring (6), slide block (5) and pad (4); Valve rod (1) is installed in the valve gap (2), and the center sky on the top of valve gap (2) is passed in the upper end of valve rod (1), and the lower end of valve rod (1) is passed slide block (5) and is threaded with spool (7); Valve gap (2) and valve body (8) are threaded; Spool (7) is installed in the cavity of valve body (8); The cavity inner wall of valve body (8) is provided with seal groove; Seal ring (6) is housed respectively in the seal groove, and an end that is contained in the pressure spring (3) on the valve rod (1) withstands the top of valve gap (2), and the other end is pressed on pad (4) and the slide block (5); Seal ring (6) is contained between valve body (8) and the spool (7), and interior cylindrical cam (11) cooperates with slide block (5); Slide block (5) and valve rod (1) link together, and spring force acts on the spool (7), and slide block (5) can be gone up at interior cylindrical cam (11) and slide; When sliding, spool (7) rotates thereupon and moves down, only when spool water outlet (9) and valve body water outlet (10) when communicating water valve open; Wherein valve rod (1), pad (4) and spool (7) are through being threaded; Valve gap (2) and valve body (8) are through being threaded, and seal ring (6) is contained in the valve seal groove, seal with spool (7) extruding.
2. according to the said mechanical type of claim 1 automatic-closing valve of cutting off the water supply, it is characterized in that the number of said seal groove is 1～3.
3. according to the said mechanical type of claim 1 automatic-closing valve of cutting off the water supply, it is characterized in that said seal ring (6) is the O type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110361002 CN102384293B (en) | 2011-11-15 | 2011-11-15 | Mechanical water-break automatic close valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110361002 CN102384293B (en) | 2011-11-15 | 2011-11-15 | Mechanical water-break automatic close valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102384293A true CN102384293A (en) | 2012-03-21 |
| CN102384293B CN102384293B (en) | 2013-05-29 |
Family
ID=45823980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110361002 Expired - Fee Related CN102384293B (en) | 2011-11-15 | 2011-11-15 | Mechanical water-break automatic close valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384293B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763829A (en) * | 2017-02-28 | 2017-05-31 | 日丰企业集团有限公司 | Self-locking is switched |
| CN106949280A (en) * | 2017-04-22 | 2017-07-14 | 姜勇志 | Backflow is without air pressure emergency shut-in valve |
| CN112747126A (en) * | 2021-01-25 | 2021-05-04 | 叶素兰 | Sugar fluid blocking valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB995720A (en) * | 1963-04-05 | 1965-06-23 | Kieler Howaldtswerke Ag | High-speed gate valve |
| CN2063996U (en) * | 1989-01-07 | 1990-10-17 | 郭忠福 | Auto-closed tap |
| CN2074845U (en) * | 1990-09-08 | 1991-04-10 | 侯盛光 | Automatic closing water-saving valve |
| CN2077502U (en) * | 1990-08-21 | 1991-05-22 | 高贵山 | Water-saving valve |
| CN2134564Y (en) * | 1992-07-25 | 1993-05-26 | 谢建中 | Improved delay close water-saving valve |
| CN2152122Y (en) * | 1993-04-11 | 1994-01-05 | 刘佳昌 | Self close water tap when water cut-off |
-
2011
- 2011-11-15 CN CN 201110361002 patent/CN102384293B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB995720A (en) * | 1963-04-05 | 1965-06-23 | Kieler Howaldtswerke Ag | High-speed gate valve |
| CN2063996U (en) * | 1989-01-07 | 1990-10-17 | 郭忠福 | Auto-closed tap |
| CN2077502U (en) * | 1990-08-21 | 1991-05-22 | 高贵山 | Water-saving valve |
| CN2074845U (en) * | 1990-09-08 | 1991-04-10 | 侯盛光 | Automatic closing water-saving valve |
| CN2134564Y (en) * | 1992-07-25 | 1993-05-26 | 谢建中 | Improved delay close water-saving valve |
| CN2152122Y (en) * | 1993-04-11 | 1994-01-05 | 刘佳昌 | Self close water tap when water cut-off |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763829A (en) * | 2017-02-28 | 2017-05-31 | 日丰企业集团有限公司 | Self-locking is switched |
| CN106763829B (en) * | 2017-02-28 | 2019-05-21 | 日丰企业集团有限公司 | Self-locking switch |
| CN106949280A (en) * | 2017-04-22 | 2017-07-14 | 姜勇志 | Backflow is without air pressure emergency shut-in valve |
| CN112747126A (en) * | 2021-01-25 | 2021-05-04 | 叶素兰 | Sugar fluid blocking valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102384293B (en) | 2013-05-29 |
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