CN110715103A - Double-acting valve - Google Patents
Double-acting valve Download PDFInfo
- Publication number
- CN110715103A CN110715103A CN201911036130.XA CN201911036130A CN110715103A CN 110715103 A CN110715103 A CN 110715103A CN 201911036130 A CN201911036130 A CN 201911036130A CN 110715103 A CN110715103 A CN 110715103A
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- CN
- China
- Prior art keywords
- valve
- pipe
- pressure
- sealing
- block
- 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.)
- Pending
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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
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a double-acting valve, comprising: the valve body provides a flowing space for fluid, wherein the bottom of the valve body is provided with a water inlet pipe and a water outlet pipe, a sealing hole is arranged between the tail end of the water inlet pipe and the tail end of the water outlet pipe, and a sealing pipe is coaxially arranged on the sealing hole; the valve block is used for sealing the sealing tube, is connected to the inside of the water outlet pipe through a valve rod and is coaxially positioned at the upper part of the sealing tube; the pressure pipe is connected to the upper part of the valve body, and a valve block driving mechanism is connected in the pressure pipe and comprises a pressure valve block and a pushing valve block; the top of the pressure pipe is provided with a sealing cover, the sealing cover is connected with a push rod through threads, the end part of the push rod is rotatably connected with the middle part of a pushing valve block through a bearing, the top of the pressure valve block is connected to the bottom of the pressure pipe through a relaxing spring A, and the top of the pressure valve block is elastically connected with the bottom of the pushing valve block through a relaxing spring B; the side wall of the pressure pipe is provided with a one-way valve for supplementing pressure in the pressure pipe.
Description
Technical Field
The invention relates to a double-acting valve, and belongs to the field of pipeline safety equipment.
Background
As a shut-off device, the existing valve is generally of an electric and manual mixed structure, and when an emergency such as power failure occurs, the valve can be closed manually, but obviously, the valve rod needs to be rotated in a manual closing mode, the closing rate is relatively low, and in the emergency, the valve is difficult to be closed manually for a long time, so that a mechanism capable of quickly closing the valve in the emergency is needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem in the prior art is solved, and a double-acting valve is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a double-acting valve comprising:
the valve body provides a flowing space for fluid, wherein the bottom of the valve body is provided with a water inlet pipe and a water outlet pipe, a sealing hole is arranged between the tail end of the water inlet pipe and the tail end of the water outlet pipe, and a sealing pipe is coaxially arranged on the sealing hole;
the valve block is connected to the inside of the water outlet pipe through a valve rod and is coaxially positioned at the upper part of the sealing pipe;
the pressure pipe is connected to the upper part of the valve body, and a valve block driving mechanism is connected in the pressure pipe and comprises a pressure valve block and a pushing valve block; the top of the pressure pipe is provided with a sealing cover, the sealing cover is connected with a push rod through threads, the end part of the push rod is rotatably connected with the middle part of a pushing valve block through a bearing, the top of the pressure valve block is connected to the bottom of the pressure pipe through a relaxing spring A, and the top of the pressure valve block is elastically connected with the bottom of the pushing valve block through a relaxing spring B; and a one-way valve used for supplementing pressure to the pressure pipe is arranged on the side wall of the pressure pipe.
As a further improvement of the invention, the top end of the push rod is fixedly connected with the pressure valve block through threads.
As a further improvement of the invention, the middle part of the push valve block is provided with an embedded groove, the top end of the relaxation spring B is embedded into the embedded groove, and the bottom end of the relaxation spring B is embedded into a threaded hole in the middle part of the pressure valve block.
As a further improvement of the invention, the one-way valve comprises a valve tube, the front end of the valve tube is provided with a sliding hole, a sealing ball block is arranged in the sliding hole, the front end of the valve tube is also connected with a hollow limiting block, a relaxation spring C is arranged between the limiting block and the sealing ball block, the middle part of the sealing ball block is also coaxially provided with a mandril, and the mandril extends towards the tail end of the valve tube.
As a further improvement of the invention, the valve block comprises a sealing plate, a conical guide block is arranged in the middle of the sealing plate, the outer diameter of the sealing plate is larger than that of the sealing pipe, and the outer diameter of the guide block is smaller than that of the sealing pipe.
The invention has the beneficial effects that:
1. the valve block driving mechanism of the traditional valve is improved, the group of air pressure driving mechanisms are connected to the traditional valve rod, the pressure pipe can be pressurized through equipment such as an air tank and the like in an emergency, the valve can be quickly turned off through the one-way valve, extra manual twisting of the valve rod is not needed, time is saved, and safety is guaranteed.
2. The push rod is connected with the pressure valve block through threads, so that the pressure valve block is easy to disassemble, the initial position of the pressure valve block can be conveniently adjusted, and the adjustment of the closing sensitivity is flexibly realized.
3. The check valve is provided with the pressure relief ejector rod, so that the valve pipe can be conveniently relieved through the ejector rod, and the valve is opened.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the check valve;
in the figure: 1. a water inlet pipe; 2. a water outlet pipe; 3. a sealing tube; 4. a sealing plate; 5. a guide block; 6. a valve stem; 7. a pressure pipe; 8. a sealing cover; 9. a push rod; 10. pushing the valve block; 11. relaxing the spring B; 12. a pressure valve block; 13. relaxing the spring A; 14. a one-way valve; 15. a valve tube; 16. a limiting block; 17. a slide hole; 18. sealing the ball block; 19. a top rod; 20. the spring C is relaxed.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 and 2, the present invention is a double acting valve comprising:
the valve body provides a flowing space for fluid, wherein the bottom of the valve body is provided with a water inlet pipe and a water outlet pipe, a sealing hole is arranged between the tail end of the water inlet pipe and the tail end of the water outlet pipe, and a sealing pipe is coaxially arranged on the sealing hole;
the valve block is connected to the inside of the water outlet pipe through a valve rod and is coaxially positioned at the upper part of the sealing pipe;
the pressure pipe is connected to the upper part of the valve body, and a valve block driving mechanism is connected in the pressure pipe and comprises a pressure valve block and a pushing valve block; the top of the pressure pipe is provided with a sealing cover, the sealing cover is connected with a push rod through threads, the end part of the push rod is rotatably connected with the middle part of a pushing valve block through a bearing, the top of the pressure valve block is connected to the bottom of the pressure pipe through a relaxing spring A, and the top of the pressure valve block is elastically connected with the bottom of the pushing valve block through a relaxing spring B; and a one-way valve used for supplementing pressure to the pressure pipe is arranged on the side wall of the pressure pipe.
The top end of the push rod is fixedly connected with the pressure valve block through threads.
The middle part of the push valve block is provided with an embedded groove, the top end of the relaxation spring B is embedded into the embedded groove, and the bottom end of the relaxation spring B is embedded into a threaded hole in the middle part of the pressure valve block.
The check valve comprises a valve pipe, a sliding hole is formed in the front end of the valve pipe, a sealing ball block is arranged in the sliding hole, a hollow limiting block is further connected to the front end of the valve pipe, a relaxation spring C is arranged between the limiting block and the sealing ball block, a push rod is further coaxially arranged in the middle of the sealing ball block, and the push rod extends towards the tail end of the valve pipe.
The valve block comprises a sealing plate, a conical guide block is arranged in the middle of the sealing plate, the outer diameter of the sealing plate is larger than that of the sealing pipe, and the outer diameter of the guide block is smaller than the inner diameter of the sealing pipe.
When the sealing plate is used, the pressure in the pressure pipe is discharged under a general state, then the push valve block is pushed to move downwards by twisting the push rod, then the pressure valve block is enabled to move downwards by pushing the valve block relaxing spring B, and then the pressure valve block is pushed to be upset, so that the sealing plate is moved, and the valve is sealed; under special conditions, the pressure pipe is pressurized through the one-way valve, in the pressurizing process, the pressure between the pushing valve block and the pressure valve block is increased, the pressure valve block is further driven to move, the valve rod is pushed by the same force, the sealing plate is pushed, and the valve is closed; when the sealing ball needs to be opened, the ejector rod can be pushed to enable the sealing ball block to move, and the one-way valve is opened to release pressure.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A double-acting valve is characterized in that: the method comprises the following steps:
the valve body provides a flowing space for fluid, wherein the bottom of the valve body is provided with a water inlet pipe and a water outlet pipe, a sealing hole is arranged between the tail end of the water inlet pipe and the tail end of the water outlet pipe, and a sealing pipe is coaxially arranged on the sealing hole;
the valve block is connected to the inside of the water outlet pipe through a valve rod and is coaxially positioned at the upper part of the sealing pipe;
the pressure pipe is connected to the upper part of the valve body, and a valve block driving mechanism is connected in the pressure pipe and comprises a pressure valve block and a pushing valve block; the top of the pressure pipe is provided with a sealing cover, the sealing cover is connected with a push rod through threads, the end part of the push rod is rotatably connected with the middle part of a pushing valve block through a bearing, the top of the pressure valve block is connected to the bottom of the pressure pipe through a relaxing spring A, and the top of the pressure valve block is elastically connected with the bottom of the pushing valve block through a relaxing spring B; and a one-way valve used for supplementing pressure to the pressure pipe is arranged on the side wall of the pressure pipe.
2. A double acting valve as claimed in claim 1, characterized in that: the top end of the push rod is fixedly connected with the pressure valve block through threads.
3. A double acting valve as claimed in claim 2, characterized in that: the middle part of the push valve block is provided with an embedded groove, the top end of the relaxation spring B is embedded into the embedded groove, and the bottom end of the relaxation spring B is embedded into a threaded hole in the middle part of the pressure valve block.
4. A double acting valve as claimed in claim 1, characterized in that: the check valve comprises a valve pipe, a sliding hole is formed in the front end of the valve pipe, a sealing ball block is arranged in the sliding hole, a hollow limiting block is further connected to the front end of the valve pipe, a relaxation spring C is arranged between the limiting block and the sealing ball block, a push rod is further coaxially arranged in the middle of the sealing ball block, and the push rod extends towards the tail end of the valve pipe.
5. A double acting valve as claimed in claim 1, characterized in that: the valve block comprises a sealing plate, a conical guide block is arranged in the middle of the sealing plate, the outer diameter of the sealing plate is larger than that of the sealing pipe, and the outer diameter of the guide block is smaller than the inner diameter of the sealing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036130.XA CN110715103A (en) | 2019-10-29 | 2019-10-29 | Double-acting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036130.XA CN110715103A (en) | 2019-10-29 | 2019-10-29 | Double-acting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110715103A true CN110715103A (en) | 2020-01-21 |
Family
ID=69213365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911036130.XA Pending CN110715103A (en) | 2019-10-29 | 2019-10-29 | Double-acting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110715103A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026081A (en) * | 1957-06-03 | 1962-03-20 | Const Metalliques Et Mecanique | Remote-control valve |
| CN202252269U (en) * | 2011-09-24 | 2012-05-30 | 郑州华泰特阀有限公司 | Pneumatic valve |
| CN202418600U (en) * | 2011-11-15 | 2012-09-05 | 上海磊诺工业气体有限公司 | Dry-type drive valve |
| CN103574140A (en) * | 2012-07-25 | 2014-02-12 | 姜堰市通达船用阀泵有限公司 | Manual and pneumatic operating methods applicable rapid closing cut-off valve |
| CN104006206A (en) * | 2013-02-21 | 2014-08-27 | 江苏中昊船用阀门制造有限公司 | Manual emergency mechanism for quickly-closed type stop valve |
| CN110185669A (en) * | 2019-06-28 | 2019-08-30 | 中船动力研究院有限公司 | A kind of exhaust gear |
-
2019
- 2019-10-29 CN CN201911036130.XA patent/CN110715103A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026081A (en) * | 1957-06-03 | 1962-03-20 | Const Metalliques Et Mecanique | Remote-control valve |
| CN202252269U (en) * | 2011-09-24 | 2012-05-30 | 郑州华泰特阀有限公司 | Pneumatic valve |
| CN202418600U (en) * | 2011-11-15 | 2012-09-05 | 上海磊诺工业气体有限公司 | Dry-type drive valve |
| CN103574140A (en) * | 2012-07-25 | 2014-02-12 | 姜堰市通达船用阀泵有限公司 | Manual and pneumatic operating methods applicable rapid closing cut-off valve |
| CN104006206A (en) * | 2013-02-21 | 2014-08-27 | 江苏中昊船用阀门制造有限公司 | Manual emergency mechanism for quickly-closed type stop valve |
| CN110185669A (en) * | 2019-06-28 | 2019-08-30 | 中船动力研究院有限公司 | A kind of exhaust gear |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200121 |
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| WD01 | Invention patent application deemed withdrawn after publication |