CN111853297A - Mechanical water-cut automatic closing valve based on water pressure control and method - Google Patents
Mechanical water-cut automatic closing valve based on water pressure control and method Download PDFInfo
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- CN111853297A CN111853297A CN202010531360.XA CN202010531360A CN111853297A CN 111853297 A CN111853297 A CN 111853297A CN 202010531360 A CN202010531360 A CN 202010531360A CN 111853297 A CN111853297 A CN 111853297A
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- water
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- valve
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- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
- F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Abstract
The invention relates to a mechanical water-cut automatic closing valve based on water pressure control and a method thereof, wherein the mechanical water-cut automatic closing valve comprises a shell, a flow passage is arranged in the shell, a valve closing assembly is arranged in the flow passage and is connected with a rotating shaft, the flow passage is communicated with a pipeline, a piston is arranged in the pipeline, the piston is connected with a bolt which can be inserted into or separated from a positioning rod through a piston rod, the positioning rod is fixedly connected with the shaft surface of the rotating shaft, the bolt is connected with one end of a first elastic piece, the other end of the first elastic piece is fixedly arranged, the positioning rod is connected with one end of a second elastic piece, and the other end of the second elastic piece is connected with the shell.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a mechanical water-cut automatic closing valve based on water pressure control and a method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The inventor finds that in daily life, in public places such as school canteens, hospitals and stations, the situation that a tap water valve is forgotten to be closed after being opened occurs, and particularly when tap water is cut off, citizens often forget to close the valve or the valve is not closed in place, and when water is supplied again, a large amount of water resources are wasted and left in a sewer. In addition to the civil field, the valve also has the phenomenon in the industrial field, for example, in the industrial production line of manual filling, the supply of the filling material is stopped sometimes because of equipment failure and the like, and at the moment, if workers on the filling production line forget to close the switch, a large amount of waste is caused when the filling material is restored to supply, and the benefit of an enterprise is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a mechanical water-cut automatic closing valve based on water pressure control, which can automatically close the valve when water is cut off and avoid waste of water resources.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the invention provides a mechanical water-stop automatic closing valve based on water pressure control, which comprises a shell, wherein a flow passage is arranged in the shell, a valve closing assembly is arranged in the flow passage, the valve closing assembly is connected with a rotating shaft, the flow passage is communicated with a pipeline, a piston is arranged in the pipeline, the piston is connected with a bolt which can be inserted into or separated from a positioning rod through a piston rod, the positioning rod is fixedly connected with the axial surface of the rotating shaft, the bolt is connected with one end of a first elastic piece, the other end of the first elastic piece is fixedly arranged, the positioning rod is connected with one end of a second elastic piece, and the other;
the first elastic piece can drive the piston and the bolt to move, so that the bolt is separated from the positioning rod, and the second elastic piece can drive the positioning rod to rotate in a state that the bolt is separated from the positioning rod, so that the rotating shaft is driven to rotate.
In a second aspect, an embodiment of the present invention provides a method for operating a mechanical water-stop automatic-closing valve based on hydraulic control, including: the piston loses hydraulic supporting effect under the circumstances of cutting off the water supply, at pipeline internal motion under the effect of first elastic component, drives the bolt and breaks away from the locating lever, and the locating lever rotates under the effect of second elastic component, drives the pivot and rotates, and the pivot drives the valve and closes seal assembly work, closes the runner.
The invention has the beneficial effects that:
after the valve is powered off, the first elastic piece can drive the piston and the bolt to move, so that the bolt is separated from the positioning rod, the positioning rod can drive the rotating shaft to rotate under the action of the second elastic piece, the sealing assembly further seals the flow channel, the valve is automatically closed, after water supply is recovered, the valve still keeps a closed state due to the fact that acting force for recovering the positioning rod to the original position does not exist, waste of water resources is avoided, and the valve is convenient to process and low in manufacturing cost due to the fact that a pure mechanical structure is adopted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a sectional view showing the whole structure of embodiment 1 of the present invention;
FIG. 3 is an exploded view of the entire structure of example 1 of the present invention;
FIG. 4 is a schematic view showing the assembly of the components in the housing according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a second gasket according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a first sealing sheet according to embodiment 1 of the present invention;
the sealing structure comprises a shell 1, a first shell part 1-1, a second shell part 1-2, a first flow channel part 2, a second flow channel part 3, a first sealing sheet 4, a second sealing sheet 5, an installation bump 5-1, a water passing hole 5-2, an insertion block 6, a first sealing strip 7, a third flow channel part 8, a fixing ring 9, a rotating shaft 10, a rotating shaft 11, a second sealing strip 12, a pipeline 13, an end cover 14, a piston rod 15, a piston 16, a plug connecting block 16-1, a connecting column 17, a plug 17, a first plane 17-1, a second plane 17-2, a first spring 18, a positioning rod 19, an inclined plane 19-1, a plug hole 20, a second spring 21, a key 22 and a handle 23.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As introduced by the background art, the existing valve is easy to forget to close when water is cut off, and a large amount of water resources are wasted when water supply is recovered.
In a typical embodiment example 1 of this application, as shown in fig. 1-6, a machinery automatic shut-off valve that stops water based on water pressure control, includes casing 1, the casing is fixed with the runner, be provided with the valve closing assembly in the runner, the valve closing assembly is connected with the pivot, and the pivot can drive the work of valve closing assembly, opens and closes the runner, and then realizes opening and closing of valve.
In this embodiment, the flow channel includes the first flow channel portion 2 with casing fixed connection, and first flow channel portion axis level sets up, first flow channel portion one end is used for communicating with external water source, and the hydroenergy of external water source can get into the flow channel through first flow channel portion, the other end and the 3 intercommunication settings of second flow channel portion of first flow channel portion, and the axis of first flow channel portion is mutually perpendicular with the axis of second flow channel portion, be equipped with the valve closing component in the second flow channel portion, and the pivot stretches into inside and the valve closing component of second flow channel portion and is connected. The water from the external water source can flow into the second flow passage part through the first flow passage part.
The valve closing assembly comprises a first sealing sheet 4 and a second sealing sheet 5 which are arranged at the upper part and the lower part and are in contact with each other in a grinding mode, the second sealing sheet is provided with an installation lug 5-1, the second sealing sheet is fixedly connected with the pipe wall of the second flow channel part through the installation lug, the second sealing sheet is provided with a fan-shaped water hole 5-2 for passing through which two symmetries are arranged, the first sealing sheet adopts the fan-shaped sheet shape formed by two symmetries and is matched with the water hole passing shape formed on the second sealing sheet, the first sealing sheet is connected with a rotating shaft 10, and the rotating shaft can drive the first sealing sheet to rotate, so that the water hole is closed and the state is opened.
In this embodiment, inside the pivot stretched into second flow channel portion, and with the coaxial setting of second flow channel portion, the tip of pivot is provided with the inserted block 6 of U type, be provided with on the first gasket with inserted block assorted slot, the pivot is passed through the inserted block and is connected with first gasket with slot, can drive the rotation of first gasket, and the inserted block adopts U type structure simultaneously, has left the water space of crossing.
The below of second gasket is provided with annular first sealing strip 7, the lower surface laminating contact of first sealing strip and second gasket, and the second sealing strip is fixed on the pipe wall medial surface of second flow path portion for rivers can only flow through the water hole of passing of second gasket and can not flow from the clearance between second gasket and the second flow path portion pipe wall.
The second flow channel part is communicated with a third flow channel part 8, the third flow channel is fixedly connected with the shell, the third flow channel part adopts an L-shaped flow channel, the connecting position of the L-shaped flow channel part and the second flow channel part is positioned above the first sealing sheet, and water flowing out through the water passing hole can enter the third flow channel part.
The upper surface of the insert block is pressed by a fixing ring 9, the fixing ring is fixedly connected with the pipe wall of the second flow channel part through three fixing claws 9-1, and the fixing ring can press the insert block and the first sealing piece to prevent the rotating shaft, the insert block and the first sealing piece from moving under the action of water flow.
The insert block top is provided with second sealing strip 11, and solid fixed ring compresses tightly the upper surface at the second sealing strip, and the second sealing strip pastes tight contact with the insert block upper surface, and the second sealing strip is fixed on the outer axial surface of pivot, and its lateral surface pastes tight contact with the pipe wall of second runner portion, and the second sealing strip makes the water that flows through the water hole can only flow into third runner portion, and water flows out the casing through third runner portion.
One side of second runner portion is provided with pipeline 12, and the axis of pipeline and the axis parallel arrangement of pivot, the pipeline is fixed on the pipe wall of first runner portion, just pipeline inner space is linked together with first runner portion inner space, the pipe wall welded fastening of pipeline bottom and first runner portion, the top seal of pipeline is provided with end cover 13.
The end cover is internally provided with a piston rod 14 in a penetrating mode, the bottom surface of the piston rod is fixedly provided with a piston 15 positioned in the pipeline, the top of the piston rod is fixedly provided with a bolt 17 through a bolt connecting block 16, the bolt is connected with the piston through the bolt connecting block and the piston rod, and the piston can move in the pipeline along the axis direction of the pipeline.
The bolt connecting block is elastically connected with the outer side face of the pipe wall of the first flow channel part through a first elastic piece, specifically, connecting columns 16-1 are arranged on the bolt connecting block parts on two sides of the bolt, the first elastic piece is provided with two first springs 18, the axes of the first springs are parallel to the axis of the pipe, one ends of the two first springs are fixedly connected with the two connecting columns respectively, and the other ends of the two first springs are fixedly connected with the outer side face of the pipe wall of the first flow channel part.
The elastic force generated by the first spring has a tendency of driving the bolt, the bolt connecting block and the piston to move towards the first flow passage part. Therefore, the piston can move along the axis direction of the pipeline under the action of the elastic force of the first spring and the water pressure in the pipeline, and then the bolt is driven to move.
The outer axial surface of pivot and the one end fixed connection of locating lever 19, the other end of locating lever is provided with bolt hole 20, the bolt can insert or break away from the bolt hole.
One end of the second elastic piece of the positioning rod is connected, the other end of the second elastic piece is connected with the shell, and the second elastic piece can drive the positioning rod and the rotating shaft to rotate around the axis of the rotating shaft along the first direction.
In this embodiment, the second elastic member includes two second springs 21, one end of each second spring is connected to the positioning rod, and the other end of each second spring is connected to the housing.
The plug is of a sharp-angled structure and is provided with a first plane 17-1 arranged at an included angle with the axis of the rotating shaft and a second plane 17-2 parallel to the axis of the rotating shaft, and the positioning rod is provided with a plug hole;
after the bolt is inserted into the bolt hole, the bolt can be in surface contact with the bolt hole through the second plane, and the second spring is limited from driving the positioning rod to rotate along the first direction;
when locating lever and bolt break away from, the locating lever rotates towards the bolt along the second direction opposite with the first direction, can with the first plane contact of bolt, drive the motion of bolt orientation second flow channel portion, do not hinder the rotation of locating lever, after the locating lever rotates paper bolt and aligns with the bolt hole, the locating lever can't hinder the bolt, under the effect of below water pressure orientation locating piece effect, the bolt can insert in the bolt hole.
In this embodiment, the outer side surface of the positioning rod, which is used for contacting the first plane, is an inclined surface 19-1 matched with the first plane, and the pipe wall of the second flow channel part is provided with a through hole for providing a rotation space for the positioning rod.
The shell is further provided with a key 22, the key adopts an existing reset key, the key is connected with the plug pin connecting block, and a worker can manually control the plug pin to move through the key so as to separate the plug pin from the plug pin hole.
In this embodiment, the housing includes a first housing portion 1-1 and a second housing portion 1-2, and the first housing portion and the second housing portion are detachably connected through bolts, and after the first housing portion and the second housing portion are detached, the components in the housing are repaired and replaced.
The top of pivot is connected with handle 23, and the staff can drive the rotation of pivot through the handle.
Example 2
The embodiment discloses a working method of the mechanical water-stop automatic closing valve based on the hydraulic control, which is described in the embodiment 1, and comprises the following steps:
under normal operating condition, the water of outside water source gets into through first runner portion, under hydraulic effect, with piston and piston rod jack-up, the top surface of piston and the bottom surface contact of end cover, first spring is in tensile state this moment, there is the trend with the piston draw down, the bolt on piston rod top inserts in the bolt hole of locating hole this moment, play fixed action to locating lever and pivot, the second spring is in tensile state this moment, there is the trend of keeping away from bolt direction pivoted with the locating lever orientation, first gasket avoids the position in water hole this moment, water in the first runner portion flows into behind the second runner portion, can flow into third runner portion through the water hole, through third runner portion outflow.
When the phenomenon of cutting off the water appears, rivers in the first flow channel portion are when ending, piston and piston rod have lost the holding power of jack-up, under the effect of first spring, piston and piston rod move towards the direction of first flow channel portion, piston motion to extreme lower position, the bolt breaks away from in the bolt hole, the locating lever has lost the fixed action of bolt, the second spring drives the locating lever and rotates, the locating lever drives the pivot and rotates, the water hole of crossing of second gasket is plugged up with first gasket seal, rivers can not pass through the runner, close the valve.
When resumeing to supply water, the water pressure in the first runner portion is with piston and piston rod jack-up, and first spring is in tensile state, because the locating lever does not obtain pivoted effort, locating lever and pivot can not rotate, and the water hole is blocked up still to first gasket, and rivers can not pass through the runner, have avoided the waste in a large number of water resources.
After water supply is recovered, when water needs to be supplied again, the piston and the piston rod are located at the highest position under the action of water pressure, the first spring is located in a stretching state, external force needs to be applied to the handle manually by workers, the pulling force of the second spring is overcome, the rotating shaft and the positioning rod are driven to rotate, when the positioning rod rotates to be in contact with the first plane of the bolt, the first plane and the axis of the rotating shaft are arranged in an included angle mode, downward pressing acting force can be generated on the bolt, the bolt overcomes the action of water pressure, the positioning rod can continue to rotate, when the bolt is aligned with the bolt hole, the bolt is inserted into the bolt hole again, the first sealing sheet is enabled to be prevented from being pressed down by the rotation of the rotating shaft, the first flow channel portion, the second flow channel portion and the third flow channel portion are conducted.
When normally leading to water, if need close the valve, then need artifical external force to press down the button, under the effect of button, bolt, piston rod and piston move towards the direction of first runner portion, and the bolt breaks away from the bolt hole, and under the effect of second spring, locating lever and pivot rotate, and the water hole is crossed in first gasket seal, and the runner seals, and water can't circulate, has accomplished closing of valve.
The valve of this embodiment is adopted, adopts pure mechanical structure, and the cost of manufacture is low, and processing is convenient, under the condition of cutting off the water, can the self-closing valve, has avoided the waste in a large number of water resources.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a machinery automatic shutdown valve of cutting off water based on water pressure control, which comprises a housin, be equipped with the runner in the casing, be equipped with the valve closing assembly in the runner, the valve closing assembly is connected with the pivot, a serial communication port, runner and pipeline intercommunication, be equipped with the piston in the pipeline, the piston passes through the piston rod and can insert or leave the bolt connection of locating lever, locating lever and pivot axial plane fixed connection, the bolt is connected with first elastic component one end, the fixed setting in first elastic component other end, the locating lever is connected with second elastic component one end, the second elastic component other end and casing connection.
2. The automatic closing valve for mechanical water cut-off based on hydraulic pressure control as claimed in claim 1, wherein the first elastic member is a first spring, one end of the first spring is connected with the pin, and the other end of the first spring is connected with the flow passage.
3. The mechanical automatic closing valve for water cut-off based on water pressure control as claimed in claim 1, wherein the second elastic member is a second spring, one end of the second spring is connected with the positioning rod, and the other end of the second spring is connected with the housing.
4. The mechanical water-stop automatic closing valve based on the water pressure control as claimed in claim 1, wherein the pin is of a sharp-angled structure and has a first plane arranged at an angle with the axis of the rotating shaft and a second plane parallel to the axis of the rotating shaft, and the positioning rod is provided with a pin hole;
after the bolt is inserted into the bolt hole, the bolt can be in surface contact with the bolt hole through the second plane, and the second elastic piece is limited from driving the positioning rod to rotate along the first direction;
the locating lever rotates along the second direction opposite to the first direction, can contact with the first plane, drives the bolt motion for the bolt can insert in the bolt hole under the effort towards the locating lever direction.
5. The automatic closing valve for mechanical water cut-off based on hydraulic pressure control as claimed in claim 1, wherein the latch is connected with the button and can move under the action of the button.
6. The automatic closing valve for mechanical water cut-off based on water pressure control as claimed in claim 1, wherein one end of the pipeline is connected with the flow passage, the other end of the pipeline is hermetically connected with an end cover, the piston rod passes through the end cover, one end of the piston rod is connected with the piston, and the other end of the piston rod is connected with the bolt.
7. The water pressure control-based mechanical automatic closing valve for water cut-off as claimed in claim 1, wherein the housing comprises a first housing part and a second housing part, and the first housing part and the second housing part are detachably connected.
8. The mechanical automatic closing valve for water cut-off based on water pressure control as claimed in claim 1, wherein the valve closing assembly comprises a first sealing sheet and a second sealing sheet which are attached to each other, the second sealing sheet is fixedly connected to the flow channel and is provided with a water through hole, the first sealing sheet is matched in shape with the water through hole and is connected to the rotating shaft, and the rotating shaft can drive the first sealing sheet to open or close the water through hole.
9. The automatic closing valve of mechanical water cut-off based on water pressure control of claim 8, wherein one side of the second sealing sheet is provided with an annular sealing strip, and the sealing strip is fixed with the inner side surface of the flow channel and is attached to the second sealing sheet, so that water can only flow through the water through hole of the second sealing sheet.
10. The method for operating a mechanical water-stop automatic closing valve based on water pressure control as claimed in any one of claims 1 to 9, wherein the piston loses the supporting function of water pressure in case of water stop, the piston moves in the pipeline under the action of the first elastic member to drive the pin to separate from the positioning rod, the positioning rod rotates under the action of the second elastic member to drive the rotating shaft to rotate, and the rotating shaft drives the valve-closing sealing assembly to operate to close the flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531360.XA CN111853297B (en) | 2020-06-11 | 2020-06-11 | Mechanical water-cut automatic closing valve based on water pressure control and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531360.XA CN111853297B (en) | 2020-06-11 | 2020-06-11 | Mechanical water-cut automatic closing valve based on water pressure control and method |
Publications (2)
| Publication Number | Publication Date |
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| CN111853297A true CN111853297A (en) | 2020-10-30 |
| CN111853297B CN111853297B (en) | 2021-08-03 |
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| CN202010531360.XA Expired - Fee Related CN111853297B (en) | 2020-06-11 | 2020-06-11 | Mechanical water-cut automatic closing valve based on water pressure control and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594403A (en) * | 2021-01-26 | 2021-04-02 | 深圳市俏夕阳贸易有限公司 | Intelligent water-saving faucet with water pressure detection function and automatic water closing function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215755U (en) * | 1987-11-24 | 1988-11-02 | 大连工学院 | Multifunction-closed type pre-operation safe valve |
| CN2182912Y (en) * | 1994-01-12 | 1994-11-16 | 邵兴财 | Automatic cut-off water-saving valve |
| US20080066818A1 (en) * | 2006-09-18 | 2008-03-20 | Pergola S.R.L. | Device for adjusting the flow-rate of a fluid, particularly medical oxygen and compressed gases in general |
| CN201875236U (en) * | 2010-08-10 | 2011-06-22 | 贺礼 | Push type faucet |
| CN207213264U (en) * | 2017-08-01 | 2018-04-10 | 朱志强 | A kind of storage tank or built in pipeline formula emergency safety device |
| CN207500540U (en) * | 2017-09-04 | 2018-06-15 | 开平柏斯高卫浴有限公司 | A kind of two-way tap of easy switching |
-
2020
- 2020-06-11 CN CN202010531360.XA patent/CN111853297B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215755U (en) * | 1987-11-24 | 1988-11-02 | 大连工学院 | Multifunction-closed type pre-operation safe valve |
| CN2182912Y (en) * | 1994-01-12 | 1994-11-16 | 邵兴财 | Automatic cut-off water-saving valve |
| US20080066818A1 (en) * | 2006-09-18 | 2008-03-20 | Pergola S.R.L. | Device for adjusting the flow-rate of a fluid, particularly medical oxygen and compressed gases in general |
| CN201875236U (en) * | 2010-08-10 | 2011-06-22 | 贺礼 | Push type faucet |
| CN207213264U (en) * | 2017-08-01 | 2018-04-10 | 朱志强 | A kind of storage tank or built in pipeline formula emergency safety device |
| CN207500540U (en) * | 2017-09-04 | 2018-06-15 | 开平柏斯高卫浴有限公司 | A kind of two-way tap of easy switching |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594403A (en) * | 2021-01-26 | 2021-04-02 | 深圳市俏夕阳贸易有限公司 | Intelligent water-saving faucet with water pressure detection function and automatic water closing function |
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| Publication number | Publication date |
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| CN111853297B (en) | 2021-08-03 |
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