CN212407585U - Intelligent gas motor valve - Google Patents

Abstract

The utility model discloses an intelligence gas motor valve belongs to the valve body field. The utility model comprises a valve body, a gas cavity is arranged in the valve body, and an inner sealing barrel is arranged in the gas cavity; the upper part of the valve body is provided with a sealing unit, and the lower part of the valve body is provided with a detection unit; the sealing unit comprises an outer wire valve rod, an inner wire valve rod and a sealing ring which are matched, the sealing ring is positioned above the inner sealing cylinder, and the outer wire valve rod is driven to rotate by a power part so as to drive the inner wire valve rod and the sealing ring to move up and down to close or open the inner sealing cylinder; the detection unit comprises a sensor mounting seat, a sensor circuit board is arranged on the sensor mounting seat, and the sensor circuit board is arranged at the bottom of the inner cavity of the inner sealing barrel and communicated with the inner cavity of the inner sealing barrel. The utility model overcomes among the prior art gas valve sealing performance and convenience in use still have not enough problem, plan to provide an intelligence gas motor valve, have good valve body sealing performance, and convenient to use, suitable popularization.

Description

Intelligent gas motor valve

Technical Field

The utility model relates to a valve body technical field, more specifically say, relate to an intelligence gas motor valve.

Background

At present, with the wide use of gas, accidents such as explosion, gas poisoning and the like caused by leakage and breakage of a gas pipeline are increased gradually, various gas safety switches or safety valves for preventing gas from continuously leaking when the pipeline is damaged are also produced in the market, and the gas valve can directly turn off or open the pipeline, so that the control on whether the gas pipeline is in a circulation state or not is realized. The sealing and leakage-preventing performance and the use convenience of the gas valve per se in the industry are extremely high, and the aim of researching and developing the gas valve which is good in sealing performance and more convenient to apply is always pursued in the industry.

Through retrieval, a large number of patents have been published on the technical optimization of gas valves, such as chinese patent application No.: 2019210879422, the name of invention creation is: the application discloses a gas valve adopting tower-shaped sealing, which comprises a valve body, wherein a main circulation cavity is formed in the valve body, and a partition unit communicated with the main circulation cavity is further arranged on the valve body; the partition unit is provided with a sealing unit, the sealing unit is connected with the power unit, the sealing unit comprises a lifting cylinder, the power unit comprises a transmission rod, and the power unit controls the lifting cylinder to move up and down by driving the transmission rod to rotate; the outside of a lift section of thick bamboo is encircled around the package and is wrapped up in tower type sealing washer, and the bottom of tower type sealing washer is equipped with the sealing ring, and the sealing ring is used for compressing tightly or keeping away from and cuts off the unit, and then whether control mainstream logical chamber circulates. This application provides a gas valve that adopts tower type to seal, and sealing performance is good.

Also as in chinese patent application No.: 2019210869986, the name of invention creation is: the application discloses a gas pipe movable connection valve with multiple sealing, wherein a main circulation cavity is arranged in a valve body, a sealing interface communicated with the main circulation cavity is also arranged on the valve body, an inner sealing cylinder is arranged in the sealing interface, an outer circulation cavity is arranged between the inner sealing cylinder and the main circulation cavity at the front end of the valve body, an inner circulation cavity is arranged in the inner sealing cylinder, and the inner circulation cavity is communicated with the main circulation cavity at the rear end of the valve body; the both ends of valve body normal running fit respectively are provided with rotary joint, and rotary joint stretches into and has offered the outer caulking groove of round along circumference on the lateral wall of valve body, and the inner wall of valve body corresponds position department and is provided with interior caulking groove, and the cooperation has the C shape snap ring between interior caulking groove and the outer caulking groove. This application adopts tower type to seal equally, can effectively improve the leakproofness of valve, prevents that the gas from leaking.

The applications make great optimization on the sealing performance of the valve body, fully ensure the safety of the valve body application, but have further optimization space in practical application.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome among the prior art gas valve sealing performance and the convenient to use still not enough problem, plan to provide an intelligence gas motor valve, have good valve body sealing performance, and convenient to use, suitable popularization.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses an intelligent gas motor valve, which comprises a valve body, wherein a gas cavity is arranged in the valve body, and an inner sealing barrel is arranged in the gas cavity; the upper part of the valve body is provided with a sealing unit, and the lower part of the valve body is provided with a detection unit; the sealing unit comprises an outer wire valve rod, an inner wire valve rod and a sealing ring which are matched, the sealing ring is positioned above the inner sealing cylinder, and the outer wire valve rod is driven to rotate by a power part so as to drive the inner wire valve rod and the sealing ring to move up and down to close or open the inner sealing cylinder; the detection unit comprises a sensor mounting seat, a sensor circuit board is arranged on the sensor mounting seat, and the sensor circuit board is positioned at the bottom of the inner cavity of the inner sealing barrel and communicated with the inner cavity of the inner sealing barrel.

Further, a temperature sensor and a pressure sensor are disposed on the sensor circuit board.

Furthermore, an O-shaped sealing ring is arranged between the top of the sensor mounting seat and the inner wall of the valve body which is in contact with the top of the sensor mounting seat, and the bottom of the sensor mounting seat is locked in the valve body through a locking nut.

Furthermore, a valve cover is arranged on the upper portion of the valve body, a sealing support is arranged in a cavity in the valve cover, the external thread valve rod, the internal thread valve rod and the sealing ring are all located in the cavity in the sealing support, and a Y-shaped sealing ring is arranged between the upper portion of the external thread valve rod and the inner wall of the sealing support.

Furthermore, a pressing ring with an L-shaped section is arranged between the Y-shaped sealing ring and the inner wall of the sealing support, the outer wall of the vertical section of the pressing ring is attached to the inner wall of the sealing support, the Y-shaped sealing ring is located between the pressing ring and the outer wire valve rod, and the Y-shaped sealing ring is pressed below the horizontal section of the pressing ring.

Furthermore, an outer ring body and an inner ring body are arranged on two sides of the bottom of the Y-shaped sealing ring, a clearance cavity is arranged between the outer ring body and the inner ring body, so that the sealing ring with the Y-shaped section is formed, wherein the bottom surface of the inner ring body is higher than that of the outer ring body, the bottom of the outer ring body is tightly attached to the inner wall of the sealing support, and a certain clearance is formed between the bottom of the inner ring body and the inner wall of the sealing support; the side wall surface of the inner ring body is attached to the outer side of the outer wire valve rod.

Furthermore, a channel gap is formed at the top between the wall surfaces of the outer wire valve rod and the sealing support, the channel gap extends to the lower part of the inner ring body, and the channel gap is communicated with the gap at the bottom of the inner ring body.

Furthermore, a filter screen is arranged at the fuel gas inlet of the valve body and is positioned at the inner side of the joint of the valve body.

Furthermore, the power part for driving the outer wire valve rod to rotate comprises a power motor and/or a switch hand wheel, a transmission gear is arranged at the upper part of the outer wire valve rod, and the transmission gear is connected with the power motor and is controlled and driven by the power motor; the top of the outer wire valve rod is provided with a switch hand wheel, the outer wire valve rod is controlled to rotate by manually rotating the switch hand wheel, and the outer part of the switch hand wheel is covered with a screw cap.

Furthermore, a host circuit board is arranged in the valve cover and electrically connected with the sensor circuit board, and the host circuit board receives signals detected by the sensor circuit board and directly controls the starting and stopping of the power part of the outer screw valve rod so as to realize the on-off control of the valve.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses an intelligent gas motor valve, which integrates the sealing unit and the detecting unit on the upper and lower parts of the valve body, and can automatically realize the valve leakage detection and opening and closing; the integral structure is more compact and simpler, the integral volume of the valve body is further reduced, the use and installation range of the product can be greatly improved, and the application is more convenient.

(2) The utility model discloses an intelligence gas motor valve has improved the supplementary sealed effect between outer silk valve rod and the seal holder through setting up of Y type sealing washer to when can effectively reduce the valve and open and close, outer silk valve rod rotary motion's resistance still can better ensure the leakproofness of whole valve under the sealing washer inefficacy condition, prevent that the gas from leaking, guarantee gas safety.

(3) The utility model discloses an intelligence gas motor valve, the gas import department of valve body is provided with the filter screen, can effectively ensure the unable valve body that gets into of most impurity, further improves sealed reliability to help promoting the life of sealing washer and sensor circuit board.

(4) The utility model discloses an intelligence gas motor valve still is provided with the host computer circuit board in the valve gap, and this host computer circuit board is connected with the sensor circuit board electricity, and the signal that the sensor circuit board detected is received to this host computer circuit board to opening of direct control mantle valve rod power piece stops, makes whole motor valve have complete automatic control function, and trouble, alarm information report function, when making emergency appear, handle more timely, inform more timely, improved the application reliability of complete machine.

Drawings

Fig. 1 is a schematic perspective view of an intelligent gas motor valve according to the present invention;

fig. 2 is a schematic sectional structural view of an intelligent gas motor valve of the present invention;

FIG. 3 is a schematic front view of the structure of FIG. 2;

FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 3;

FIG. 5 is a schematic view of a portion of the enlarged structure at B in FIG. 3;

fig. 6 is a partially enlarged structural view at C in fig. 3.

The reference numerals in the schematic drawings illustrate:

100. a valve body; 101. a valve cover; 102. a screw cap; 110. a gas chamber; 120. an inner sealing cylinder;

200. sealing the bracket; 201. a gear cover; 202. a transmission gear; 203. opening and closing a hand wheel; 204. an external thread valve stem; 205. an internal threaded valve stem; 206. a seal ring; 207. a seal ring base; 300. a filter screen; 400. a sensor mount; 401. a sensor circuit board; 402. locking the nut; 500. a Y-shaped seal ring; 501. an outer ring body; 502. a clearance cavity; 503. an inner ring body; 504. pressing a ring; 505. a channel gap.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 to 6, the intelligent gas motor valve of the present embodiment includes a valve body 100, a gas cavity 110 is formed in the valve body 100, and an inner sealing barrel 120 is arranged in the gas cavity 110; a sealing unit is arranged at the upper part of the valve body 100, and a detection unit is arranged at the lower part of the valve body 100; the sealing unit comprises an outer wire valve rod 204, an inner wire valve rod 205 and a sealing ring 206 which are matched, the sealing ring 206 is positioned above the inner sealing cylinder 120, and the outer wire valve rod 204 is driven to rotate by a power part so as to drive the inner wire valve rod 205 and the sealing ring 206 to move up and down to close or open the inner sealing cylinder 120; the detection unit comprises a sensor mounting seat 400, a sensor circuit board 401 is arranged on the sensor mounting seat 400, and the sensor circuit board 401 is arranged at the bottom of the inner cavity of the inner sealing barrel 120 and is communicated with the inner cavity of the inner sealing barrel 120.

In this embodiment, the sealing unit and the detection unit are respectively integrated at the upper and lower parts of the valve body 100, so that the valve leakage detection and opening and closing can be automatically realized; and the whole structure is more compact and simpler, and the volume is smaller. The design structures of the gas cavity 110 and the inner sealing cylinder 120 in the valve body 100 are conventional design forms in the industry, the gas cavity 110 is divided into a front section and a rear end, wherein the front section is communicated with the top of the inner sealing cylinder 120, the rear section is communicated with the side edge of the inner sealing cylinder 120, and when the top of the inner sealing cylinder 120 is opened, the whole gas cavity 110 maintains a circulation state, namely a valve opening state; when the top of the inner sealing cylinder 120 is pressed and sealed by the sealing ring base 207 at the bottom of the sealing ring 206, the front section and the rear section of the gas chamber 110 are disconnected, that is, the valve is in a closed state, and the prior design can be specifically referred to as the prior patent: as in application No. 2019210879422, the name of the invention is: a gas valve using a tower-type seal; patent application No. 2019210869986, entitled inventive creation: a gas pipe movable connecting valve with multiple sealing; and patent application No. 201910623610X, entitled inventive article: the intelligent leakage detection method based on wireless sensor linkage and stainless steel corrugated pipe mixing is clearly explained in the prior patents on the structure of a gas channel and a sealing ring 206 in a valve body 100, the opening and closing principle of a valve and the like, the same structural forms of an inner sealing cylinder 120 and a sealing ring 206 are adopted in the embodiment, and the details are not repeated.

It should be noted that, in the present application, the detection unit is correspondingly disposed at the bottom of the inner sealing cylinder 120, and the bottom of the inner sealing cylinder 120 is sealed by using the sensor mounting seat 400 and the sensor circuit board 401, so that the overall volume of the valve body 100 is further reduced, the use and installation range of the product can be greatly improved, and the application is more convenient; as shown in fig. 6, an O-ring is disposed between the top of the sensor mounting seat 400 and the inner wall of the valve body 100 in contact with the top, the bottom of the sensor mounting seat 400 is locked in the valve body 100 by a locking nut 402, and a sealant is filled between the sensor circuit board 401 and the sensor mounting seat 400; the sensor circuit board 401 is provided with a temperature sensor and a pressure sensor, which can directly detect and judge the gas circulation pressure information, and can find out the gas leakage in time once. The lower part of the valve body 100 is provided with a fabrication hole for arranging wires of the sensor, and the fabrication hole is encapsulated by high-temperature-resistant sealant, so that the integral sealing is more reliable.

Example 2

The intelligent gas motor valve of the present embodiment is substantially the same as embodiment 1, and further, as shown in fig. 1 and fig. 3, a valve cover 101 is disposed on an upper portion of the valve body 100, a sealing support 200 is disposed in an internal cavity of the valve cover 101, an outer wire valve rod 204, an inner wire valve rod 205, and a sealing ring 206 are all located in the internal cavity of the sealing support 200, and a Y-shaped sealing ring 500 is installed between an upper portion of the outer wire valve rod 204 and an inner wall of the sealing support 200.

As shown in fig. 3, the sealing bracket 200 is a cylindrical structure with a narrow top and a wide bottom, wherein the bottom of the wider bottom is pressed against the outer edge of the sealing ring 206; the internal thread valve rod 205 and the sealing ring 206 are both positioned in the cavity of the wider section at the lower part, the narrower section at the upper part extends upwards for a certain distance, the external thread valve rod 204 passes through the narrower section at the upper part and finally the lower part is matched with the internal thread valve rod 205, and the Y-shaped sealing ring 500 is arranged between the upper part of the external thread valve rod 204 and the inner wall of the narrower section at the upper part. More specifically, in the embodiment, a power element for driving the outer wire valve rod 204 to rotate is a power motor, a transmission gear 202 is arranged on the upper portion of the outer wire valve rod 204, the transmission gear 202 can be connected with the power motor through multi-stage gear transmission and is controlled to drive by the power motor, a gear cover 201 covers the outer side of the transmission gear 202, and the sealing support 200 is located below the gear cover 201.

As shown in fig. 4, a pressing ring 504 with an L-shaped cross section is further disposed between the Y-shaped sealing ring 500 and the inner wall of the sealing bracket 200, specifically, a circle of clearance cavity for placing the pressing ring 504 and the Y-shaped sealing ring 500 is disposed on the inner side of the top of the sealing bracket 200, so that the top of the sealing bracket 200 forms an L-shaped cross section, the outer wall of the vertical section of the pressing ring 504 is correspondingly and tightly attached to the inner wall of the vertical section of the top of the sealing bracket 200, the Y-shaped sealing ring 500 is disposed between the pressing ring 504 and the outer wire valve rod 204, and the Y-shaped sealing ring 500 is pressed below the horizontal section of. That is, the top horizontal segment of the press ring 504 abuts against the lower side of the gear cover 201, and the press ring 504 may be made of a copper sheet material and used for fixing the position of the Y-shaped seal ring 500 from the top and the outer side.

As shown in fig. 4, an outer ring body 501 and an inner ring body 503 are disposed on two sides of the bottom of the Y-shaped sealing ring 500, and a clearance cavity 502 is formed between the outer ring body 501 and the inner ring body 503, so as to form a sealing ring with a Y-shaped cross section, wherein the bottom surface of the inner ring body 503 is higher than the bottom surface of the outer ring body 501, the bottom of the outer ring body 501 is tightly attached to the inner wall of the top horizontal section of the sealing bracket 200, and a certain gap is formed between the bottom of the inner ring body 503 and the inner wall of the horizontal section of the sealing bracket 200; the side wall surface of the inner ring body 503 is tightly attached to the outer side of the outer wire valve rod 204 for auxiliary sealing. And the top between the outer wire valve rod 204 and the wall surface in direct contact with the sealing support 200 is also provided with a channel gap 505, the channel gap 505 extends to the lower part of the inner ring body 503, and the channel gap 505 is communicated with the gap at the bottom of the inner ring body 503.

The embodiment can effectively enhance the sealing effect by improving the auxiliary sealing between the outer wire valve rod 204 and the sealing support 200, and can effectively reduce the resistance of the rotary motion of the outer wire valve rod 204 when the valve is opened and closed. Specifically, by adopting the Y-shaped sealing ring 500 in the embodiment, the direct contact area between the Y-shaped sealing ring 500 and the outer wire valve rod 204 is small, only the side wall of the lower inner ring body 503 is in contact sealing with the Y-shaped sealing ring, the movement friction resistance of the outer wire valve rod 204 is obviously reduced, and the valve is opened and closed more flexibly and accurately; by adopting the design, even if the sealing ring 206 above the inner sealing cylinder 120 fails, the gas can diffuse outwards along the outer wire valve rod 204 and finally enter the clearance cavity 502 through the passage clearance 505 and the clearance below the inner ring body 503 in sequence, so that the internal pressure of the clearance cavity 502 is increased, the inner ring body 503 can be continuously extruded outwards, the inner ring body 503 is enabled to be increasingly close to the outer wire valve rod 204 for sealing, the sealing effect is continuously enhanced, the auxiliary sealing is more reliable, the sealing performance of the whole valve can be well guaranteed under the condition that the sealing ring 206 fails, the gas leakage is prevented, and the gas safety is guaranteed.

Example 3

The intelligent gas motor valve of this embodiment, basically the same as the above-mentioned embodiment, further, as shown in fig. 5, a filter screen 300 is disposed at a gas inlet of the valve body 100 in this embodiment, the filter screen 300 is located at an inner side of a joint position of the valve body 100, specifically, the filter screen 300 is fixed in an inlet passage of the valve body 100 through a fixing retaining ring, which can effectively ensure that most impurities cannot enter the valve body 100, further improve the reliability of sealing, and contribute to prolonging the service lives of the sealing ring 206 and the sensor circuit board 401.

Example 4

As shown in fig. 2 and 3, the power member for driving the external wire valve rod 204 to rotate in this embodiment includes a power motor and/or a switch handwheel 203, that is, the power motor or the switch handwheel 203 or both of them may be used for driving to control the on-off state of the valve. When a power motor and a switch hand wheel 203 are matched together, the switch hand wheel 203 is arranged at the top of the outer wire valve rod 204, the switch hand wheel 203 is manually rotated to control the outer wire valve rod 204 to rotate, and the screw cap 102 is covered outside the switch hand wheel 203. The manual driving and the electric control are integrated, and once the power failure condition occurs, the switch hand wheel 203 can still be adopted to control the starting and stopping of the valve, so that the valve can adapt to various application environments and is more convenient to apply.

Example 5

The intelligent gas motor valve of this embodiment is basically the same as the above embodiments, and further, in this embodiment, a host circuit board is further disposed in the valve cover 101, the host circuit board is electrically connected to the sensor circuit board 401, and the host circuit board receives a signal detected by the sensor circuit board 401 and directly controls the start and stop of the power component of the outer wire valve rod 204, so as to implement valve on-off control. Specifically, the control program can be added in the host circuit board, the host circuit board has the function of accessing the server, so that the whole motor valve has the function of completely automatically controlling, and the function of reporting fault and alarm information, so that the processing is more timely and the notification is more timely when an emergency occurs, and the application reliability of the whole machine is improved.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. An intelligent gas motor valve comprises a valve body (100), wherein a gas cavity (110) is formed in the valve body (100), and an inner sealing barrel (120) is arranged in the gas cavity (110); the method is characterized in that: a sealing unit is arranged at the upper part of the valve body (100), and a detection unit is arranged at the lower part of the valve body (100); the sealing unit comprises an outer wire valve rod (204), an inner wire valve rod (205) and a sealing ring (206) which are matched, the sealing ring (206) is positioned above the inner sealing cylinder (120), and the outer wire valve rod (204) is driven by a power part to rotate so as to drive the inner wire valve rod (205) and the sealing ring (206) to move up and down to close or open the inner sealing cylinder (120); the detection unit comprises a sensor mounting seat (400), a sensor circuit board (401) is arranged on the sensor mounting seat (400), and the sensor circuit board (401) is located at the bottom of the inner cavity of the inner sealing barrel (120) and is communicated with the inner cavity of the inner sealing barrel (120).

2. The intelligent gas motor valve of claim 1, wherein: the sensor circuit board (401) is provided with a temperature sensor and a pressure sensor.

3. The intelligent gas motor valve of claim 2, wherein: an O-shaped sealing ring is arranged between the top of the sensor mounting seat (400) and the inner wall of the valve body (100) which is in contact with the top of the sensor mounting seat, and the bottom of the sensor mounting seat (400) is locked in the valve body (100) through a locking nut (402).

4. The intelligent gas motor valve of claim 1, wherein: the upper portion of the valve body (100) is provided with a valve cover (101), a sealing support (200) is arranged in an inner cavity of the valve cover (101), the outer wire valve rod (204), the inner wire valve rod (205) and the sealing ring (206) are all located in the inner cavity of the sealing support (200), and a Y-shaped sealing ring (500) is installed between the upper portion of the outer wire valve rod (204) and the inner wall of the sealing support (200).

5. The intelligent gas motor valve of claim 4, wherein: still be equipped with clamping ring (504) that the cross-section is the L type between Y type sealing washer (500) and sealing support (200) inner wall, the vertical section outer wall of clamping ring (504) is attached on sealing support (200) inner wall, Y type sealing washer (500) are located clamping ring (504) and outer silk valve rod (204) between, and Y type sealing washer (500) are pressed in the horizontal segment below of clamping ring (504).

6. The intelligent gas motor valve of claim 4, wherein: an outer ring body (501) and an inner ring body (503) are arranged on two sides of the bottom of the Y-shaped sealing ring (500), a clearance cavity (502) is arranged between the outer ring body (501) and the inner ring body (503) to form the sealing ring with a Y-shaped section, wherein the bottom surface of the inner ring body (503) is higher than that of the outer ring body (501), the bottom of the outer ring body (501) is tightly attached to the inner wall of the sealing support (200), and a certain clearance is formed between the bottom of the inner ring body (503) and the inner wall of the sealing support (200); the side wall surface of the inner ring body (503) is attached to the outer side of the outer wire valve rod (204).

7. The intelligent gas motor valve of claim 6, wherein: the top between the outer wire valve rod (204) and the wall surface which is directly contacted with the sealing support (200) is also provided with a channel gap (505), the channel gap (505) extends to the lower part of the inner ring body (503), and the channel gap (505) is communicated with the gap at the bottom of the inner ring body (503).

8. An intelligent gas motor valve according to any one of claims 1-7, characterized in that: a filter screen (300) is arranged at a gas inlet of the valve body (100), and the filter screen (300) is positioned on the inner side of the joint position of the valve body (100).

9. An intelligent gas motor valve according to any one of claims 1-7, characterized in that: the power part for driving the outer wire valve rod (204) to rotate comprises a power motor and/or a switch hand wheel (203), a transmission gear (202) is arranged at the upper part of the outer wire valve rod (204), and the transmission gear (202) is connected with the power motor and is controlled and driven by the power motor; the top of the outer wire valve rod (204) is also provided with a switch hand wheel (203), the outer wire valve rod (204) is controlled to rotate by manually rotating the switch hand wheel (203), and the outer part of the switch hand wheel (203) is covered with a screw cap (102).

10. An intelligent gas motor valve according to any one of claims 1-7, characterized in that: the valve cover (101) is internally provided with a host circuit board which is electrically connected with the sensor circuit board (401), and the host circuit board receives signals detected by the sensor circuit board (401) and directly controls the start and stop of the power part of the outer wire valve rod (204) so as to realize the on-off control of the valve.

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