CN212455638U

CN212455638U - Gas safety self-closing valve convenient to adjust

Info

Publication number: CN212455638U
Application number: CN202021020575.7U
Authority: CN
Inventors: 王德兵
Original assignee: Jiangsu Jia De An Gas Equipment Technology Co ltd
Current assignee: Jiangsu Jia De An Gas Equipment Technology Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-02-02
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a gas safety self-closing valve convenient to adjust relates to gas safety self-closing valve technical field, for solving along with the change of surrounding environment results in the gas to take place certain change at the inside velocity of flow of pipeline, the velocity of flow can cause the gas burning at the excessive speed, brings the gas and leaks, and the velocity of flow can cause the heat of gas burning can not satisfy the problem of demand too slowly. The improved pneumatic valve is characterized in that a valve cover is arranged above the valve seat, a handle is arranged above the valve cover, an air inlet pipe and an air outlet pipe are respectively arranged on two sides of the valve seat, a valve port is arranged inside the valve seat, a valve core A is arranged above the valve port, an air pressure sensor is arranged inside the valve seat, a ball valve is arranged outside the air outlet pipe, a valve core B is arranged inside the ball valve, a valve rod B is arranged above the valve core B, an adjusting knob is arranged outside the valve rod B, a motor is arranged above the adjusting knob, and an airflow velocity sensor is arranged on one side of the ball valve.

Description

Gas safety self-closing valve convenient to adjust

Technical Field

The utility model relates to a gas safety self-closing valve technical field specifically is a gas safety self-closing valve convenient to adjust.

Background

The gas is the general term for gas fuel, and it can be burned to release heat for urban residents and industrial enterprises. The gas is various, mainly has natural gas, artifical gas, liquefied petroleum gas and marsh gas, and the gas becomes the indispensable reliance of people's life, can people know not comprehensively to the safe gas that uses simultaneously, does not have the consciousness of safety precaution even to the use of gas to unnecessary loss and accident have been caused. The gas safety self-closing valve, short for self-closing valve, is mounted on the pipeline of low-pressure gas system, when the gas supply pressure of pipeline is under-pressure or over-pressure, it has no need of using electricity or other external power, and can be automatically closed and manually opened. The self-closing valve arranged at the joint of the tail end of the pipeline and the rubber pipe behind the gas meter has the function of pressure loss closing, and the pipeline gas self-closing valve is suitable for pipeline natural gas, liquefied petroleum gas and artificial gas.

At present, the gas safety self-closing valve regulatory function all has been equipped with manual regulation, when using the gas in different areas, different seasons, can lead to the gas to take place certain change at the inside velocity of flow of pipeline along with ambient environment's change, and the velocity of flow can cause the gas burning thoroughly at the excessive speed, brings the gas leakage, and the velocity of flow can cause the heat of gas burning to can not satisfy the demand at the excessive speed, and the availability factor is not good, brings the puzzlement for the user. Therefore, the market urgently needs a gas safety self-closing valve which is convenient to adjust to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas safety self-closing valve convenient to adjust to provide along with ambient environment's change leads to the gas to take place certain change at the inside velocity of flow of pipeline along with the change in solving above-mentioned background art, the velocity of flow can cause the gas burning at the excessive speed, brings the gas leakage, and the velocity of flow can cause the heat of gas burning too slowly and can not satisfy the demand, and availability factor is not good, brings the problem of puzzlement for the user.

In order to achieve the above object, the utility model provides a following technical scheme: a gas safety self-closing valve convenient to adjust comprises a valve seat and a processor, wherein a valve cover is arranged above the valve seat and is connected with the valve seat through screws, a handle is arranged above the valve cover, one end of the handle extends to the lower portion of the valve cover, a sealing ring is arranged at the contact portion of the handle and the valve cover, an air inlet pipe and an air outlet pipe are respectively arranged on two sides of the valve seat and are connected with the valve seat through screws, a valve port is arranged inside the valve seat, a valve core A is arranged above the valve port, one end of the valve core A extends to the inside of the valve port, a valve rod A is arranged above the valve core A and is connected with the valve core A through screws, an air pressure sensor is arranged inside the valve seat, one end of the air pressure sensor extends to the inside of the valve seat, a ball valve is arranged outside the air outlet pipe, and is connected, the inside of ball valve sets up case second, the top of case second is provided with valve rod second, and the top of ball valve is run through to the one end of valve rod second and extend to, the outside of valve rod second is provided with adjust knob, and adjust knob and valve rod second pass through the screw connection, adjust knob's top is provided with the motor, and motor and adjust knob set up structure as an organic whole, rotate through the shaft coupling between the output of motor and the valve rod second and be connected, one side of ball valve is provided with the air current velocity of flow sensor, and the one end of air current velocity of flow sensor extends to the inside of outlet duct.

Preferably, the inside of intake pipe is provided with the filter screen, and the filter screen is connected with the inner wall laminating of intake pipe.

Preferably, a sealing gasket is arranged between the valve core A and the valve port, the sealing gasket and the valve core A are arranged into an integral structure, and the sealing gasket is attached to the valve port.

Preferably, a coating is arranged inside the valve seat, and the coating, the valve seat and the valve rod A are integrally formed.

Preferably, an electromagnet is arranged above the valve rod A, and the electromagnet and the handle are arranged into an integral structure.

Preferably, one side of the air outlet pipe is provided with a connector, and the connector and the air outlet pipe are arranged into an integral structure.

Preferably, the input of treater respectively with airflow velocity of flow sensor and baroceptor's output electric connection, the output of treater is connected with connection control electromagnetism iron on-off circuit and motor drive circuit respectively, the treater adopts STC89C51 singlechip, airflow velocity of flow sensor's model is F900, and baroceptor's model is JYB-KO-PAGG.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device passes through the setting of air current velocity of flow sensor and motor, can detect out the velocity of flow of the inside gas of trachea with the help of air current velocity of flow sensor, will detect data and judge the processing for the treater with the signal of telecommunication transmission to the control motor carries out corresponding drive, drives case second and rotates, thereby changes outlet duct circulation aperture size, indirect change gas velocity of flow, thereby satisfies user's user demand, does not need manual regulation, improves the gas utilization efficiency. The problem of outlet duct circulation aperture not good, the gas velocity of flow is too fast and is caused the waste, and the velocity of flow is too slow burning heat can not satisfy the user demand is solved.

2. The utility model discloses a device passes through the setting of baroceptor and electro-magnet, can detect the inside atmospheric pressure size of valve pocket with the help of baroceptor, when under-voltage, superpressure appear in inside atmospheric pressure, in time will detect data with the signal of telecommunication transmit for the treater to cut off the electro-magnet power supply, make case first drop, it is closed with the valve port. The problem of can in time close the valve when under-pressure, superpressure appear in inside atmospheric pressure, cut off the gas circulation is solved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a control schematic diagram of the present invention.

In the figure: 1. a valve seat; 2. a valve cover; 3. a handle; 4. an air inlet pipe; 5. an air outlet pipe; 6. a ball valve; 7. a connector; 8. adjusting a knob; 9. a motor; 10. an airflow rate sensor; 11. filtering with a screen; 12. an air pressure sensor; 13. an electromagnet; 14. a valve rod A; 15. a seal ring; 16. a skin membrane; 17. a valve core A; 18. a gasket; 19. a valve core B; 20. a valve rod B; 21. a processor; 22. and (4) valve ports.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a gas safety self-closing valve convenient to adjust comprises a valve seat 1 and a processor 21, wherein a valve cover 2 is arranged above the valve seat 1, the valve cover 2 is connected with the valve seat 1 through screws, a handle 3 is arranged above the valve cover 2, one end of the handle 3 extends to the lower portion of the valve cover 2, the handle 3 can reset when being reused, a sealing ring 15 is arranged at the contact position of the handle 3 and the valve cover 2, an air inlet pipe 4 and an air outlet pipe 5 are respectively arranged at two sides of the valve seat 1, the air inlet pipe 4 and the air outlet pipe 5 are both connected with the valve seat 1 through screws, a valve port 22 is arranged inside the valve seat 1, a valve core shell 17 is arranged above the valve port 22, one end of the valve core shell 17 extends to the inside of the valve port 22, a valve rod shell 14 is arranged above the valve core shell 17, the valve rod shell 14 is connected with the valve core shell 17 through screws, an air pressure sensor 12 is arranged, baroceptor 12 can detect the inside atmospheric pressure of valve pocket, the outside of outlet duct 5 is provided with ball valve 6, and

ball valve

6 and 5 sealing connection of outlet duct, the inside of ball valve 6 sets up case second 19, the top of case second 19 is provided with valve rod second 20, and the one end of valve rod second 20 runs through ball valve 6 and extends to the top of ball valve 6, the outside of valve rod second 20 is provided with adjust knob 8, and adjust knob 8 passes through screw connection with valve rod second 20, adjust knob 8's top is provided with motor 9, and motor 9 sets up structure as an organic whole with adjust knob 8, be connected through the shaft coupling rotation between motor 9's output and the valve rod second 20, one side of ball valve 6 is provided with airflow velocity sensor 10, and airflow velocity sensor 10's one end extends to the inside of outlet duct 5, airflow velocity sensor 10 can detect out the inside gas velocity of.

Further, the inside of intake pipe 4 is provided with filter screen 11, and filter screen 11 is connected with the inner wall laminating of intake pipe 4. Can filter the gas of dredging through filter screen 11, improve the gas purity.

Further, a gasket 18 is arranged between the valve core A17 and the valve port 22, the gasket 18 and the valve core A17 are arranged into an integral structure, and the gasket 18 is attached to the valve port 22. The sealing performance between the valve core A17 and the valve port 22 can be better through the sealing gasket 18.

Further, a coating 16 is provided inside the valve seat 1, and the coating 16 is provided integrally with both the valve seat 1 and the stem shell 14. The film 16 can restrict the valve body 14 and also pull the valve body 14 when an abnormality occurs.

Further, an electromagnet 13 is arranged above the valve rod A14, and the electromagnet 13 and the handle 3 are arranged into an integral structure. The valve rod A14 is attracted by the electromagnet 13, and the valve port 22 is opened.

Further, one side of the air outlet pipe 5 is provided with a connector 7, and the connector 7 and the air outlet pipe 5 are arranged into an integral structure. The user pipeline is convenient to be connected with the air outlet pipe 5 through the connector 7.

Further, the input end of the processor 21 is electrically connected with the output ends of the airflow flow velocity sensor 10 and the air pressure sensor 12 respectively, the output end of the processor 21 is connected with the on-off circuit of the connection control electromagnet 13 and the driving circuit of the motor 9 respectively, the processor 21 adopts an STC89C51 single chip microcomputer, the model of the airflow flow velocity sensor 10 is F900, and the model of the air pressure sensor 12 is JYB-KO-PAGG. The processor 21 can perform processing analysis, and more accurate control can be performed.

The working principle is as follows: when the gas valve is used, the airflow velocity sensor 10 and the gas pressure sensor 12 are preset, the gas inlet pipe 4 and the gas outlet pipe 5 are respectively connected with a gas pipeline, the electromagnet 13 is electrified, the valve rod A14 is lifted under the action of the electromagnet 13, the valve core A17 is separated from the valve port 22, and gas can be conveyed. Airflow velocity of flow sensor 10 will detect the velocity of flow of the inside gas of outlet duct 5 to detect data and handle the analysis for treater 21 with the signal of telecommunication transmission, thereby CD-ROM drive motor 9 carries out corresponding work, thereby adjusts 5 circulation aperture sizes of outlet duct, changes the gas velocity of flow so that satisfy user's user demand, improves gas utilization efficiency. The air pressure sensor 12 detects the air pressure inside the valve cavity, and when under-pressure and overpressure occur, data are transmitted to the processor 21 for processing and analysis in time through electric signals, so that the electromagnet 13 is disconnected for power supply, and the valve core A17 blocks the valve port 22 under the action of self gravity and the pulling force of the membrane 16, so that the fuel gas flow channel is closed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A gas safety self-closing valve convenient to adjust comprises a valve seat (1) and a processor (21), and is characterized in that: the valve cover (2) is arranged above the valve seat (1), the valve cover (2) is connected with the valve seat (1) through screws, a handle (3) is arranged above the valve cover (2), one end of the handle (3) extends to the lower portion of the valve cover (2), a sealing ring (15) is arranged at the contact portion of the handle (3) and the valve cover (2), an air inlet pipe (4) and an air outlet pipe (5) are respectively arranged on two sides of the valve seat (1), the air inlet pipe (4) and the air outlet pipe (5) are both connected with the valve seat (1) through screws, a valve port (22) is arranged inside the valve seat (1), a valve core A (17) is arranged above the valve port (22), one end of the valve core A (17) extends to the inside of the valve port (22), a valve rod A (14) is arranged above the valve core A (17), and the valve rod A (14) is connected with the valve core A (, the gas pressure sensor (12) is arranged in the valve seat (1), one end of the gas pressure sensor (12) extends into the valve seat (1), the ball valve (6) is arranged outside the gas outlet pipe (5), the ball valve (6) is connected with the gas outlet pipe (5) in a sealing manner, the valve core B (19) is arranged inside the ball valve (6), the valve rod B (20) is arranged above the valve core B (19), one end of the valve rod B (20) penetrates through the ball valve (6) and extends to the upper side of the ball valve (6), the adjusting knob (8) is arranged outside the valve rod B (20), the adjusting knob (8) is connected with the valve rod B (20) through screws, the motor (9) is arranged above the adjusting knob (8), the motor (9) and the adjusting knob (8) are arranged into an integral structure, the output end of the motor (9) is connected with the valve rod B (20) through a coupling in a rotating manner, one side of ball valve (6) is provided with air current velocity of flow sensor (10), and the inside of air outlet pipe (5) is extended to the one end of air current velocity of flow sensor (10).

2. An adjustable gas safety self-closing valve as claimed in claim 1, wherein: the inside of intake pipe (4) is provided with filter screen (11), and filter screen (11) are connected with the inner wall laminating of intake pipe (4).

3. An adjustable gas safety self-closing valve as claimed in claim 1, wherein: a sealing gasket (18) is arranged between the valve core A (17) and the valve port (22), the sealing gasket (18) and the valve core A (17) are arranged into an integral structure, and the sealing gasket (18) is attached to the valve port (22).

4. An adjustable gas safety self-closing valve as claimed in claim 1, wherein: a coating (16) is arranged inside the valve seat (1), and the coating (16), the valve seat (1) and the valve rod A (14) are all arranged into an integral structure.

5. An adjustable gas safety self-closing valve as claimed in claim 1, wherein: an electromagnet (13) is arranged above the valve rod A (14), and the electromagnet (13) and the handle (3) are arranged into an integral structure.

6. An adjustable gas safety self-closing valve as claimed in claim 1, wherein: one side of outlet duct (5) is provided with connector (7), and connector (7) and outlet duct (5) set up structure as an organic whole.

7. An adjustable gas safety self-closing valve as claimed in claim 1, wherein: the input of treater (21) respectively with airflow velocity of flow sensor (10) and pneumatic sensor (12) output electric connection, the output of treater (21) is connected with connection control electro-magnet (13) break-make circuit and motor (9) drive circuit respectively, treater (21) adopt STC89C51 singlechip, the model of airflow velocity of flow sensor (10) is F900, and the model of pneumatic sensor (12) is JYB-KO-PAGG.