CN111750161A - Regulating valve opened by liquid pressure control - Google Patents
Regulating valve opened by liquid pressure control Download PDFInfo
- Publication number
- CN111750161A CN111750161A CN202010710391.1A CN202010710391A CN111750161A CN 111750161 A CN111750161 A CN 111750161A CN 202010710391 A CN202010710391 A CN 202010710391A CN 111750161 A CN111750161 A CN 111750161A
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- CN
- China
- Prior art keywords
- acting force
- liquid
- valve
- valve body
- valve core
- 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.)
- Withdrawn
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Classifications
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
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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
- F16K17/06—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 special arrangements for adjusting the opening pressure
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a regulating valve controlled to be opened by utilizing liquid pressure, which comprises a cylindrical valve body and a valve core arranged in the valve body in an axially movable manner, wherein one side of the valve core is provided with a threaded plug, the other side of the valve core is provided with a sliding rod, the threaded plug is installed in one end of the valve body in a threaded manner, the sliding rod is provided with a convex shoulder which extends in the circumferential direction, the inner wall of the valve body is provided with a step surface, the other end of the valve body is provided with a pressing plate, a seat plate is arranged in a manner of abutting against the pressing plate, a spring assembly is arranged on the seat plate, a liquid inlet cavity and a liquid outlet cavity are formed between the valve core and the. The regulating valve realizes axial pushing of the valve core by utilizing the difference between the acting force of liquid in the liquid inlet cavity on the valve core and the acting force of the spring assembly on the valve core, and has the advantages of simple structure, high precision and easy implementation.
Description
Technical Field
The invention relates to the technical field of regulating valves, in particular to a regulating valve which is opened by utilizing liquid pressure control.
Background
A regulating valve that is opened by liquid pressure control may be used to control the opening of a liquid flow path, to divide pressure in a main line, and so on. In the prior art, the structures of the regulating valves are various, and the specific realized functions are different.
Disclosure of Invention
The invention aims to provide a regulating valve which is opened by liquid pressure control, realizes axial pushing on a valve core by utilizing the difference between the acting force of liquid in a liquid inlet cavity on the valve core and the acting force of a spring assembly on the valve core, and has the advantages of simple structure, high precision and easy implementation.
In order to achieve the purpose, the invention provides the following technical scheme: a regulating valve controlled to be opened by utilizing liquid pressure comprises a cylindrical valve body and a valve core arranged in the valve body in an axially movable manner, wherein a threaded plug is arranged on one side of the valve core, a sliding rod is arranged on the other side of the valve core, the threaded plug is installed in one end of the valve body in a threaded manner, a convex shoulder extending in the circumferential direction is arranged on the sliding rod, a step surface is arranged on the inner wall of the valve body, a pressing plate is arranged at the other end of the valve body and is tightly abutted against the pressing plate to form a seat plate, a spring assembly is arranged on the seat plate and is tightly abutted against the seat plate and the convex shoulder, the convex shoulder is positioned between the step surface and the spring assembly, the valve core comprises a first section and a second section, a liquid inlet cavity is formed between the outer wall of the first section and the inner wall of the valve body, and a liquid outlet cavity, the valve body is provided with a liquid inlet and a liquid outlet, the liquid inlet is communicated with the liquid inlet cavity, the liquid outlet is communicated with the liquid outlet cavity, the acting force of liquid entering the liquid inlet cavity on the valve core is a first acting force, the direction of the first acting force is towards the direction of the sliding rod, the acting force applied to the valve core by the spring assembly through the sliding rod is a second acting force, the direction of the second acting force is towards the direction of the threaded plug, the regulating valve has a closed state and an open state, when the first acting force is less than or equal to the second acting force, the convex shoulder is tightly pressed on the step surface, the liquid inlet cavity is not communicated with the liquid outlet cavity, and the regulating valve is in the closed state; when the first acting force is larger than the second acting force, the shoulder is separated from the step surface, the liquid inlet cavity is communicated with the liquid outlet cavity, and the regulating valve is in an opening state.
Optionally, a first groove extending in the circumferential direction is formed in the outer wall of the first section, and the liquid inlet cavity is formed between the first groove and the inner wall of the valve body.
Optionally, a second groove extending in the circumferential direction is formed in the inner wall of the valve body, and the liquid outlet cavity is formed between the second groove and the outer wall of the second section.
Optionally, an even number of guide posts are vertically arranged on the seat plate, the spring assembly comprises compression springs which are sleeved on the guide posts in a one-to-one correspondence manner, the compression springs are distributed around the sliding rod at equal intervals, and the rotating directions of any two adjacent compression springs are opposite.
Optionally, a guide hole is formed in an end portion, pointing to the sliding rod, of the valve core, and a convex column capable of moving along the guide hole is arranged on the sliding rod.
The invention has the beneficial effects that: the regulating valve which is opened by liquid pressure control is designed, the axial pushing of the valve core is realized by utilizing the difference value between the acting force of liquid in the liquid inlet cavity to the valve core and the acting force of the spring assembly to the valve core, when the acting force of the liquid is greater than the acting force of the spring assembly, the spring assembly is compressed by the valve core, the liquid inlet cavity is communicated with the liquid outlet cavity, and the regulating valve is opened; when the acting force of the liquid is smaller than the acting force of the spring assembly, the valve core is propped by the acting force of the spring assembly, the liquid inlet cavity is not communicated with the liquid outlet cavity, and the regulating valve is closed; meanwhile, the design of even number of springs is adopted, the sliding rod and even the valve core are prevented from rotating in the axial moving process, and the regulating valve is simple in structure, high in precision, low in maintenance cost and easy to implement.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a regulator valve of the present invention that is opened by fluid pressure control;
FIG. 2 is a schematic diagram of a seat plate and spring assembly (four springs for example) in a regulator valve of the present invention utilizing fluid pressure to control opening.
Description of the drawings: 1-valve body, 2-valve core, 3-screw plug, 4-sliding rod, 5-pressure plate, 6-seat plate, 7-spring component, 8-liquid inlet cavity, 9-liquid outlet cavity, 10-liquid inlet, 11-liquid outlet, 12-guide column, 13-guide hole and 14-convex column.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the regulating valve controlled to be opened by liquid pressure according to this embodiment includes a cylindrical valve body 1 and a valve core 2 axially movably disposed in the valve body 1, one side of the valve core 2 is provided with a threaded plug 3, the other side of the valve core 2 is provided with a sliding rod 4, the threaded plug 3 is installed in one end of the valve body 1 in a threaded manner, the sliding rod 4 is provided with a shoulder circumferentially extending, the inner wall of the valve body 1 has a step surface, the other end of the valve body 1 is provided with a pressing plate 5, the pressing plate 5 is tightly abutted against the pressing plate 5 to be provided with a seat plate 6, the seat plate 6 is provided with a spring assembly 7, the spring assembly 7 is tightly abutted against between the seat plate 6 and the shoulder, the shoulder is located between the step surface and the spring assembly 7, the valve core 2 includes a first section and a second section, a liquid inlet cavity 8 is formed between the outer wall, a liquid outlet cavity 9 is formed between the outer wall of the second section and the inner wall of the valve body 1, a liquid inlet 10 and a liquid outlet 11 are formed on the valve body 1, the liquid inlet 10 is communicated with the liquid inlet cavity 8, the liquid outlet 11 is communicated with the liquid outlet cavity 9, the acting force of the liquid entering the liquid inlet cavity 8 on the valve core 2 is a first acting force, the direction of the first acting force is towards the direction of the sliding rod 4, the acting force exerted by the spring assembly 7 on the valve core 2 through the sliding rod 4 is a second acting force, the direction of the second acting force is towards the direction of the threaded plug 3, the regulating valve has a closed state and an open state, when the first acting force is smaller than or equal to the second acting force, the convex shoulder is tightly pressed on the step surface, and the liquid inlet cavity 8 is not communicated with the liquid outlet cavity 9, the regulating valve is in a closed state; when the first acting force is larger than the second acting force, the shoulder is separated from the step surface, the liquid inlet cavity 8 is communicated with the liquid outlet cavity 9, and the regulating valve is in an open state.
More specifically, a first groove extending in the circumferential direction is formed in the outer wall of the first section, the liquid inlet cavity 8 is formed between the first groove and the inner wall of the valve body 1, a second groove extending in the circumferential direction is formed in the inner wall of the valve body 1, the liquid outlet cavity 9 is formed between the second groove and the outer wall of the second section, an even number of guide posts 12 are vertically arranged on the seat plate 6, the spring assembly 7 includes compression springs sleeved on the guide posts 12 in a one-to-one correspondence manner, the compression springs are distributed around the sliding rod 4 at equal intervals, the turning directions of any two adjacent compression springs are opposite, a guide hole 13 is formed in the end portion, pointing to the sliding rod 4, of the valve core 2, and a convex column 14 capable of moving along the guide hole 13 is arranged on the sliding rod 4.
During the governing valve of this design of concrete production, can be according to actual demand, the compression spring of using different specifications in the product, spring unit 7 produces different pretightning forces to case 2 promptly, and application range is wider. The regulating valve of the design can be used for regulating pressure, relieving pressure or controlling the on-off of a liquid flow channel. When the acting force of the liquid entering the liquid inlet cavity 8 on the valve core 2 is less than or equal to the acting force of the spring assembly 7 on the valve core 2, the valve core 2 does not move, the liquid inlet cavity 8 and the liquid outlet cavity 9 are isolated and not communicated, and the regulating valve is in a closed state; when the acting force of the liquid in the liquid inlet cavity 8 on the valve core 2 is larger than the acting force of the spring assembly 7 on the valve core 2, the valve core 2 moves, the spring assembly 7 is compressed, the liquid inlet cavity 8 is communicated with the liquid outlet cavity 9, and the regulating valve is in an open state; the magnitude of the force of the spring assembly 7 determines the magnitude of the fluid force required to open the valve cartridge 2.
In summary, the regulating valve opened by liquid pressure control in the technical scheme of the invention realizes axial pushing on the valve core by using the difference between the acting force of liquid in the liquid inlet cavity on the valve core and the acting force of the spring assembly on the valve core; when the acting force of the liquid is smaller than the acting force of the spring assembly, the valve core is propped by the acting force of the spring assembly, the liquid inlet cavity is not communicated with the liquid outlet cavity, and the regulating valve is closed; meanwhile, the design that the turning directions of even number of springs and adjacent springs are opposite is adopted, the torsional force generated when the springs act is offset, the sliding rod and even the valve core are prevented from rotating in the axial moving process, and the regulating valve is simple in structure, high in precision, low in maintenance cost and easy to implement.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Claims (5)
1. The regulating valve opened by utilizing liquid pressure control is characterized by comprising a cylindrical valve body and a valve core arranged in the valve body in an axially movable manner, wherein one side of the valve core is provided with a threaded plug, the other side of the valve core is provided with a sliding rod, the threaded plug is installed in one end of the valve body in a threaded manner, the sliding rod is provided with a convex shoulder extending in the circumferential direction, the inner wall of the valve body is provided with a step surface, the other end of the valve body is provided with a pressing plate, the pressing plate is tightly abutted with a seat plate, a spring assembly is arranged on the seat plate and is abutted between the seat plate and the convex shoulder, the convex shoulder is positioned between the step surface and the spring assembly, the valve core comprises a first section and a second section, a liquid inlet cavity is formed between the outer wall of the first section and the inner wall of the valve body, and a liquid outlet cavity is formed between the, the valve body is provided with a liquid inlet and a liquid outlet, the liquid inlet is communicated with the liquid inlet cavity, the liquid outlet is communicated with the liquid outlet cavity, the acting force of liquid entering the liquid inlet cavity on the valve core is a first acting force, the direction of the first acting force is towards the direction of the sliding rod, the acting force applied to the valve core by the spring assembly through the sliding rod is a second acting force, the direction of the second acting force is towards the direction of the threaded plug, the regulating valve has a closed state and an open state, when the first acting force is less than or equal to the second acting force, the convex shoulder is tightly pressed on the step surface, the liquid inlet cavity is not communicated with the liquid outlet cavity, and the regulating valve is in the closed state; when the first acting force is larger than the second acting force, the shoulder is separated from the step surface, the liquid inlet cavity is communicated with the liquid outlet cavity, and the regulating valve is in an opening state.
2. The regulating valve controlled to be opened by using the liquid pressure as claimed in claim 1, wherein a first groove extending in the circumferential direction is formed on the outer wall of the first section, and the liquid inlet cavity is formed between the first groove and the inner wall of the valve body.
3. The regulating valve controlled to be opened by using the liquid pressure as claimed in claim 1, wherein a second groove extending in the circumferential direction is formed on the inner wall of the valve body, and the liquid outlet chamber is formed between the second groove and the outer wall of the second section.
4. The regulating valve controlled to be opened by liquid pressure according to claim 1, wherein an even number of guide posts are vertically arranged on the seat plate, the spring assembly comprises compression springs sleeved on the guide posts in a one-to-one correspondence manner, the compression springs are distributed at equal intervals around the sliding rod, and the rotation directions of any two adjacent compression springs are opposite.
5. The regulating valve controlled to be opened by using the liquid pressure as claimed in claim 1, wherein a guide hole is opened at an end of the valve core directed to the sliding rod, and the sliding rod is provided with a convex column capable of moving along the guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710391.1A CN111750161A (en) | 2020-07-22 | 2020-07-22 | Regulating valve opened by liquid pressure control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710391.1A CN111750161A (en) | 2020-07-22 | 2020-07-22 | Regulating valve opened by liquid pressure control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111750161A true CN111750161A (en) | 2020-10-09 |
Family
ID=72711043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010710391.1A Withdrawn CN111750161A (en) | 2020-07-22 | 2020-07-22 | Regulating valve opened by liquid pressure control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111750161A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2539958A1 (en) * | 1974-09-10 | 1976-04-22 | Autolava Oy | REGULATING VALVE |
| GB2164127A (en) * | 1984-08-31 | 1986-03-12 | Hemscheidt Maschf Hermann | Pressure-limiting valve |
| CN202927150U (en) * | 2012-12-04 | 2013-05-08 | 中联重科股份有限公司 | Check valve |
| CN103477133A (en) * | 2011-03-31 | 2013-12-25 | 麦格纳动力系有限公司 | Low gain pressure relief valve for a fluid pump |
| CN106195368A (en) * | 2016-08-30 | 2016-12-07 | 苏州科迪流体控制设备有限公司 | Pressure visual pressure release control and regulation valve |
| CN206054850U (en) * | 2016-08-31 | 2017-03-29 | 贵州航天凯山石油仪器有限公司 | A kind of high pressure liquid level tester pressure limiting valve |
| CN207005381U (en) * | 2017-07-26 | 2018-02-13 | 四川华林阀仪表科技有限公司 | A kind of small flow high pressure desuperheat water valve high effect of reducing pressure mechanism |
-
2020
- 2020-07-22 CN CN202010710391.1A patent/CN111750161A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2539958A1 (en) * | 1974-09-10 | 1976-04-22 | Autolava Oy | REGULATING VALVE |
| GB2164127A (en) * | 1984-08-31 | 1986-03-12 | Hemscheidt Maschf Hermann | Pressure-limiting valve |
| CN103477133A (en) * | 2011-03-31 | 2013-12-25 | 麦格纳动力系有限公司 | Low gain pressure relief valve for a fluid pump |
| CN202927150U (en) * | 2012-12-04 | 2013-05-08 | 中联重科股份有限公司 | Check valve |
| CN106195368A (en) * | 2016-08-30 | 2016-12-07 | 苏州科迪流体控制设备有限公司 | Pressure visual pressure release control and regulation valve |
| CN206054850U (en) * | 2016-08-31 | 2017-03-29 | 贵州航天凯山石油仪器有限公司 | A kind of high pressure liquid level tester pressure limiting valve |
| CN207005381U (en) * | 2017-07-26 | 2018-02-13 | 四川华林阀仪表科技有限公司 | A kind of small flow high pressure desuperheat water valve high effect of reducing pressure mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211027 Address after: 362100 second floor, shop 375-46, Huiquan North Road, Luocheng Town, Hui'an County, Quanzhou City, Fujian Province Applicant after: Quanzhou Yinghua Building Cleaning Service Co.,Ltd. Address before: 362300 No. 169, Huancheng West Road, Ximei street, Nanan City, Quanzhou City, Fujian Province Applicant before: Nanan ximelin Yinghua building cleaning service center |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201009 |