CN210950058U - Pressure type instant shutoff valve - Google Patents
Pressure type instant shutoff valve Download PDFInfo
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- CN210950058U CN210950058U CN201821454966.2U CN201821454966U CN210950058U CN 210950058 U CN210950058 U CN 210950058U CN 201821454966 U CN201821454966 U CN 201821454966U CN 210950058 U CN210950058 U CN 210950058U
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- sealer
- push rod
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Abstract
The utility model discloses a pressure type closes valve in twinkling of an eye, including valve body, first valve, be provided with in the valve body first valve, first valve one side is provided with the dog, dog one side is provided with the second valve, the dog upside is provided with sealers, the sealers downside is provided with leak detector, the sealers downside is provided with pressure sensor, the sealers upside is provided with the buffering post, buffering post upside is provided with mechanical push rod, mechanical push rod upside is provided with hydraulic actuator, the hydraulic actuator upside is provided with the controller, controller one side is provided with the alarm, valve body one side is provided with into the pipe, valve body one side is provided with the exit tube. Has the advantages that: 1. the operation and use are simple, the sealing performance is good, the pressure value is observed in real time, and the sealing performance can be detected; 2. the turn-off reaction is rapid, the service life is long, and the alarm can be given in time.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a pressure type shutoff valve in twinkling of an eye.
Background
The quick shut-off valve is an important component of a thermal power plant unit safety system and is important safety equipment for ensuring the safe operation of a steam extraction unit and preventing the steam backflow of a steam extraction pipeline from causing the overspeed accident of a steam turbine. The existing shut-off valve has the defects of slow closing response, inaccurate closing, poor reliability and incapability of effectively preventing steam extraction backflow, and has the major accident of serious overspeed caused by steam extraction backflow once, so that the major hidden danger of safety production exists, therefore, a novel, safer and more reliable quick shut-off valve is needed to be additionally arranged on the pipeline to effectively prevent the accident, and the safety performance of a unit is practically improved.
Patent No. cn105156816.a discloses a mechanical quick-acting shutoff valve, which comprises a quick-acting shutoff valve male joint connected with a gas column hose female joint, a quick-acting shutoff valve female joint connected with a natural gas tank car quick joint male joint, and a mechanical transmission mechanism contacted with the gas column hose female joint and the natural gas tank car quick joint male joint.
Above-mentioned patent exists the easy damage that takes place of mechanical type, and does not have the barometer, can not observe the pressure value in real time, also does not report to the police and sets up, can not in time remind the user.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure type is shut off valve in the twinkling of an eye in order to solve above-mentioned problem, the utility model discloses turn-off reaction is rapid, and long service life can in time report to the police.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a pressure type instantaneous shutoff valve comprises a valve body and a first valve, wherein the valve body is internally provided with the first valve, one side of the first valve is provided with a stop block, one side of the stop block is provided with a second valve, the upper side of the stop block is provided with a sealer, the lower side of the sealer is provided with a leakage detector, the lower side of the sealer is provided with a pressure sensor, the upper side of the sealer is provided with a buffer column, the upper side of the buffer column is provided with a mechanical push rod, the upper side of the mechanical push rod is provided with a hydraulic actuator, the upper side of the hydraulic actuator is provided with a controller, one side of the controller is provided with an alarm, one side of the valve body is provided with an inlet pipe, one side of the valve body is provided, the leakage detector, the alarm and the hydraulic actuator are all electrically connected with the controller.
In the above structure, when in use, the shut-off valve is installed, the connecting thread is connected with the pipeline, the sealing ring prevents gas or liquid from leaking, when the pressure is increased, the signals measured by the pressure sensor are processed by the controller, the controller controls the hydraulic actuator to be started, the hydraulic actuator pushes the mechanical push rod, the mechanical push rod pushes the first valve and the second valve instantly, the buffer column is pushed instantly to buffer the impact force of the mechanical push rod, the service life of the shut-off valve is prolonged, the first valve and the second valve form a closed chamber, the leakage detector detects the closed condition in the closed chamber, if the sealing is in a problem, the alarm is started to give an alarm, the pressure gauge displays the pressure in the valve body in real time, and the manual shutoff valve can be rotated to seal the pipeline.
In order to further improve the using effect of the shut-off valve, the connecting thread is formed on the valve body, and the sealing ring is sleeved on one side of the valve body.
In order to further improve the using effect of the shut-off valve, the pressure gauge is welded on the valve body, and the alarm is fixed on the valve body through a screw.
In order to further improve the using effect of the shut-off valve, the stop block is welded in the valve body, the pressure sensor is embedded on the lower side of the sealer, and the leakage detector is embedded on the lower side of the sealer.
In order to further improve the using effect of the shut-off valve, the first valve and the second valve are respectively welded on the mechanical push rod, and the sealer is embedded in the valve body.
In order to further improve the using effect of the shut-off valve, the controller is embedded on the upper side of the valve body, the hydraulic actuator is welded in the valve body, and the hydraulic actuator is connected with the mechanical push rod through a gear mechanism.
In order to further improve the using effect of the shut-off valve, the buffer column is welded on the sealer, a buffer spring is arranged in the buffer column, and the manual shut-off valve is rotatably connected to the valve body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the operation and use are simple, the sealing performance is good, the pressure value is observed in real time, and the sealing performance can be detected;
2. the turn-off reaction is rapid, the service life is long, and the alarm can be given in time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a pressure type instantaneous shutoff valve according to the present invention;
fig. 2 is an external view of a pressure type instantaneous shutoff valve according to the present invention;
fig. 3 is a block diagram of a circuit structure of the pressure-type instantaneous shutoff valve according to the present invention.
The reference numerals are explained below:
1. a valve body; 2. connecting threads; 3. a seal ring; 4. a pressure sensor; 5. a first valve; 6.a leak detector; 7. a stopper; 8. a second valve; 9. a buffer column; 10. a mechanical push rod; 11. a hydraulic actuator; 12. a sealer; 13. a pressure gauge; 14. a controller; 15. an alarm; 16. manually shutting off the valve; 17. feeding a pipe; 18. and (6) discharging the pipe.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The first embodiment is as follows:
as shown in fig. 1-3, a pressure type instantaneous shutoff valve comprises a valve body 1 and a first valve 5, the first valve 5 is arranged in the valve body 1, a stop 7 is arranged on one side of the first valve 5, a second valve 8 is arranged on one side of the stop 7, a sealer 12 is arranged on the upper side of the stop 7, a leak detector 6 is arranged on the lower side of the sealer 12, a pressure sensor 4 is arranged on the lower side of the sealer 12, a buffer column 9 is arranged on the upper side of the sealer 12, a mechanical push rod 10 is arranged on the upper side of the buffer column 9, a hydraulic actuator 11 is arranged on the upper side of the mechanical push rod 10, a controller 14 is arranged on the upper side of the hydraulic actuator 11, an alarm 15 is arranged on one side of the valve body 1, an inlet pipe 17 is arranged on one side of the valve body 1, an outlet pipe 18 is arranged on one side, a manual shutoff valve 16 is arranged on one side of the valve body 1, and the pressure gauge 13, the leakage detector 6, the alarm 15 and the hydraulic actuator 11 are all electrically connected with a controller 14.
Example two:
the difference between this embodiment and the first embodiment is:
in this embodiment, the cushion column 9 is welded on the sealer 12, a cushion spring is arranged in the cushion column 9, and the manual shutoff valve 16 is rotatably connected to the valve body 1.
Specifically, the arrangement can reduce the impact force caused by instant shutoff, prolong the service life and prevent leakage and manual shutoff.
The utility model discloses a theory of operation does: when the pressure-sensitive type automatic shut-off valve is used, the shut-off valve is installed, the connecting thread 2 is connected with a pipeline, the sealing ring 3 prevents gas or liquid from leaking, when the pressure is increased, signals measured by the pressure sensor 4 are processed by the controller 14, the controller 14 controls the hydraulic actuator 11 to start, the hydraulic actuator 11 pushes the mechanical push rod 10, the mechanical push rod 10 pushes the first valve 5 and the second valve 8 instantly, the buffer column 9 is pushed instantly to buffer the impact force of the mechanical push rod 10, the service life of the shut-off valve is prolonged, the first valve 5 and the second valve 8 form a closed chamber, the leak detector 6 detects the closed condition in the closed chamber, the alarm 15 is started to give an alarm if the closed problem occurs, the pressure gauge 13 displays the pressure in the valve body 1 in real time, and the manual shut-off.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. A pressure type instantaneous shutoff valve is characterized in that: the pressure-sensitive type flow control valve comprises a valve body (1) and a first valve (5), wherein the first valve (5) is arranged in the valve body (1), a check block (7) is arranged on one side of the first valve (5), a second valve (8) is arranged on one side of the check block (7), a sealer (12) is arranged on the upper side of the check block (7), a leak detector (6) is arranged on the lower side of the sealer (12), a pressure sensor (4) is arranged on the lower side of the sealer (12), a buffer column (9) is arranged on the upper side of the sealer (12), a mechanical push rod (10) is arranged on the upper side of the buffer column (9), a hydraulic actuator (11) is arranged on the upper side of the mechanical push rod, valve body (1) one side is provided with exit tube (18), valve body (1) both sides all are provided with connecting thread (2), connecting thread (2) one side is provided with sealing washer (3), valve body (1) one side is provided with manometer (13), valve body (1) one side is provided with manual shutoff valve (16), manometer (13) leak detector (6) alarm (15) with hydraulic actuator (11) all with controller (14) electricity is connected.
2. A pressure-type instantaneous shutoff valve according to claim 1, characterized in that: the connecting thread (2) is formed on the valve body (1), and the sealing ring (3) is sleeved on one side of the valve body (1).
3. A pressure-type instantaneous shutoff valve according to claim 1, characterized in that: the pressure gauge (13) is welded on the valve body (1), and the alarm (15) is fixed on the valve body (1) through a screw.
4. A pressure-type instantaneous shutoff valve according to claim 1, characterized in that: the stop block (7) is welded in the valve body (1), the pressure sensor (4) is embedded on the lower side of the sealer (12), and the leakage detector (6) is embedded on the lower side of the sealer (12).
5. A pressure-type instantaneous shutoff valve according to claim 1, characterized in that: the first valve (5) and the second valve (8) are respectively welded on the mechanical push rod (10), and the sealer (12) is embedded in the valve body (1).
6.A pressure-type instantaneous shutoff valve according to claim 1, characterized in that: the controller (14) is inlaid on the upper side of the valve body (1), the hydraulic actuator (11) is welded in the valve body (1), and the hydraulic actuator (11) is connected with the mechanical push rod (10) through a gear mechanism.
7. A pressure-type instantaneous shutoff valve according to claim 1, characterized in that: the buffer column (9) is welded on the sealer (12), a buffer spring is arranged in the buffer column (9), and the manual shutoff valve (16) is rotatably connected to the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454966.2U CN210950058U (en) | 2018-09-06 | 2018-09-06 | Pressure type instant shutoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454966.2U CN210950058U (en) | 2018-09-06 | 2018-09-06 | Pressure type instant shutoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210950058U true CN210950058U (en) | 2020-07-07 |
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ID=71377298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821454966.2U Active CN210950058U (en) | 2018-09-06 | 2018-09-06 | Pressure type instant shutoff valve |
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| Country | Link |
|---|---|
| CN (1) | CN210950058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413137A (en) * | 2020-10-20 | 2021-02-26 | 杭州欣叶控制阀有限公司 | Valve with leakage detecting function and leakage detecting method |
-
2018
- 2018-09-06 CN CN201821454966.2U patent/CN210950058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413137A (en) * | 2020-10-20 | 2021-02-26 | 杭州欣叶控制阀有限公司 | Valve with leakage detecting function and leakage detecting method |
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