CN222391980U - Motor valve of gas meter - Google Patents

Abstract

The utility model provides a gas meter motor valve, including a valve body, a machine base, a driver, a positioning plate, a valve core and a transmission rod, a first positioning groove is arranged on the valve body, one end of the machine base is arranged in the first positioning groove, and the inner wall of the end is provided with a second positioning groove, the positioning plate is arranged in the second positioning groove, the valve core includes a sealing part, a telescopic part, a first positioning part and a second positioning part, the first positioning part is clamped between the first positioning groove and the machine base, and the second positioning part is clamped between the inner wall of the valve body and the outer wall of the positioning plate; in the utility model, the valve core is firmly and reliably fixed by the first positioning part and the second positioning part, and a reliable seal is formed at the valve body and the machine base, and one end of the machine base is positioned between the inner wall of the first positioning groove and the outer wall of the positioning plate, so that the connection between the valve body and the machine base is more stable, and no shaking will be generated due to the vibration caused by the operation of the driver, thereby ensuring the reliability of the sealing fit between the sealing part and the valve seat.

Description

Motor valve of gas meter

Technical Field

The utility model relates to the technical field of valves, in particular to a motor valve of a gas meter.

Background

A gas meter motor valve is a device for metering and controlling gas, and is generally used in combination with a gas meter (gas meter) to realize accurate metering and safe control of gas flow. The motor valve is driven by an internal motor, so that the fuel gas flow path can be opened or closed, and the fuel gas supply is controlled.

The gas meter motor valve is widely applied to household, commercial and industrial gas metering systems, especially in occasions requiring remote control or automatic management. For example, motor valves are often integrated in intelligent gas meter systems to facilitate remote meter reading, billing, control, and safety monitoring functions.

The application discloses a gas meter anti-theft motor valve, which comprises a valve body, a valve seat, a sealing cover and a driving motor, wherein the valve body comprises an air inlet pipe part and an air outlet pipe part which is bent and extended by the air inlet pipe part, a limit baffle which axially extends along the air outlet pipe part is arranged at the bending part of the air outlet pipe part and the air inlet pipe part, a sealing opening opposite to the sealing cover is formed in the limit baffle, a corrugated sleeve is connected between the lower end of the sealing cover and the inner wall of the air outlet pipe part, the corrugated sleeve is clamped and fixed between the valve body and the valve seat, and vibration is generated between the valve seat and the valve body when the driving motor in the valve seat works, so that the sealing reliability between the sealing cover and the sealing opening is reduced.

Disclosure of utility model

The utility model aims to overcome the defects and the shortcomings of the prior art and provides a motor valve of a gas meter.

The technical scheme includes that the motor valve of the gas meter comprises a valve body, a valve cavity, a first positioning groove, an air inlet and an air outlet, a valve seat, a base, a driver, a positioning disc and a valve core, wherein the valve cavity, the first positioning groove and the air inlet and the air outlet are formed in the valve body, the air inlet and the air outlet are communicated with the valve cavity, the valve seat is arranged in the valve cavity, the valve seat is positioned between the air inlet and the air outlet, one end of the base is arranged in the first positioning groove, the inner wall of the end is provided with a second positioning groove, the driver is arranged in the base, the end, far away from the second positioning groove, of the positioning disc is arranged in the second positioning groove, the valve core comprises a sealing part, the sealing part is used for forming sealing fit with the valve seat, the sealing part is arranged in a moving mode along the axial direction of the valve cavity, the sealing part is provided with a closing state in contact with the valve seat part and an opening state separated from the valve seat part, the telescoping part can be axially telescoping along the valve cavity, the first positioning part is clamped between the first positioning groove and the base, the second positioning part is clamped between the inner wall and the base, the second positioning part is clamped between the outer wall and the sealing part, the sealing part is positioned between the sealing part and the outer wall and the sealing part is in a state.

In some embodiments, a transmission cavity is provided on the housing in communication with the valve cavity, and the valve spool isolates the valve cavity from the transmission cavity.

In some embodiments, further comprising:

The connecting sleeve is arranged on the sealing part and is provided with a linkage channel;

And the valve rod nut is arranged at one end of the linkage channel far away from the sealing part, one end of the transmission rod is rotatably arranged on the machine base, and the other end of the transmission rod is matched with the valve rod nut.

In some embodiments, a third positioning groove matched with the connecting sleeve is formed in one side, facing the sealing part, of the positioning disc.

In some embodiments, the air inlet is disposed at an end of the valve body away from the first positioning groove, and the air inlet is plural and disposed along a circumferential sidewall of the valve body.

In some embodiments, further comprising:

a gear driven by the driver;

And the gear disc is provided with an internal tooth part meshed with the gear and is connected with the transmission rod.

In some embodiments, a linkage groove is formed in the gear plate, a linkage area is formed in the circumferential inner wall of the linkage groove, a linkage plate part is arranged on the transmission rod, a mounting hole is formed in the linkage plate part in a penetrating manner in the radial direction, a spring is arranged in the mounting hole, rolling balls are arranged at two ends of the spring, and under the action of the spring, the rolling balls are abutted to the linkage area;

When the valve core normally moves in the axial direction of the valve cavity, the rolling ball is abutted with the linkage area, so that the linkage disc part rotates along with the gear disc;

when the spool is limited in movement in the axial direction of the valve cavity and the driver continues to drive, the ball slides in the linkage area causing the gear disk to spin.

In some embodiments, the linkage zone includes at least two abutment zones of different inner diameters.

In some embodiments, the stand comprises a first housing and a second housing, the second positioning groove is formed in one end of the second housing, a driving cavity is formed between the other end of the second housing and the first housing, the driver is arranged in the driving cavity, and the first housing and the second housing are connected through a fastening structure.

In some embodiments, a seal ring is disposed between the first housing and the second housing.

The valve has the beneficial effects that the valve core is fixed firmly and reliably through the first positioning part and the second positioning part, meanwhile, reliable sealing is formed between the valve body and the seat, and one end of the seat is positioned between the inner wall of the first positioning groove and the outer wall of the positioning disc, so that the connection between the valve body and the seat is more stable, shaking caused by vibration caused by operation of the driver is avoided, and the reliability of sealing fit between the sealing part and the valve seat part is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a cross-sectional view I of the present utility model;

FIG. 3 is a second cross-sectional view of the present utility model;

FIG. 4 is a schematic view of a drive rod according to the present utility model;

FIG. 5 is a schematic diagram of a gear plate according to the present utility model;

FIG. 6 is a second schematic diagram of a gear plate according to the present utility model;

Fig. 7 is a partial schematic view of the present utility model.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the invention, and is provided in the context of a particular application and its requirements. Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the disclosure. Thus, the present description is not limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.

In the description of the present application, it should be noted that unless explicitly specified and defined otherwise, terms such as "longitudinal", "transverse", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and these terms are used primarily for better description of the present application and embodiments thereof, and are not intended to limit the indicated device, element or component to have a specific orientation or to be constructed and operated in a specific orientation.

Second, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, and the embodiments of the application should not be construed as limited thereto.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, they may be fixedly connected, detachably connected, or of unitary construction, they may be mechanically or electrically connected, they may be directly connected, or they may be indirectly connected through intermediaries, or they may be in internal communication between two devices, elements or components.

The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

With respect to the drawings of the present application, it is to be clearly understood that the same is by way of illustration and description only and is not intended to limit the scope of the present description. It should also be understood that the drawings are not drawn to scale.

Embodiment one:

as shown in fig. 1 to 7, the present embodiment provides a gas meter motor valve including:

The valve body 1, be provided with valve pocket 10, first constant head tank 11 and air inlet 12 and the gas outlet 13 that communicate with valve pocket 10 on the valve body 1, the inner wall of valve body 1 is provided with valve seat portion 14 to the valve pocket 10 in, in this embodiment, valve seat portion 14 is protruding to the valve pocket 10 by the inner wall of valve body 1, and it is integrated into one piece with valve body 1.

Next, the valve seat portion 14 is located between the air inlet 12 and the air outlet 13, and the air inlet 12 and the air outlet 13 are blocked when a seal is formed at the valve seat portion 14.

The machine base 2, one end of the machine base 2 is arranged in the first positioning groove 11, and the inner wall of the end is provided with the second positioning groove 20.

The driver 3 is arranged at one end of the machine base 2 far away from the second positioning groove 20, and the driver 3 can select a rotary driver such as a driving motor, a rotary cylinder and the like according to actual conditions.

Specifically, as shown in fig. 7, the stand 2 includes a first housing 200 and a second housing 201, the second positioning slot 20 is disposed at one end of the second housing 201, a driving cavity 202 is disposed between the other end of the second housing 201 and the first housing 200, the driver 3 is disposed in the driving cavity 202, the first housing 200 is connected with the second housing 201 through a fastening structure, so that the mounting and dismounting are convenient, and the maintenance and the repair of the driver 3 are facilitated.

Further, a sealing ring 203 is disposed between the first housing 200 and the second housing 201, preferably, an O-ring is adopted, so as to improve the tightness of the driving cavity 202.

A positioning plate 4, wherein the positioning plate 4 is arranged in the second positioning groove 20;

a spool 5, the spool 5 comprising:

The sealing portion 50 is configured to form a sealing engagement with the valve seat portion 14, and in this embodiment, the sealing portion 50 is a tapered surface that forms a more reliable seal when pressed against the valve seat portion 14. The seal portion 50 is provided so as to be axially movable along the valve chamber 10, and has a closed state in contact with the valve seat portion 14 and an open state separated from the valve seat portion 14;

The expansion and contraction part 51 can expand and contract along the axial direction of the valve cavity 10, the expansion and contraction part 51 is made of elastic material, in the embodiment, the cross section of the expansion and contraction part 51 is in a continuous step shape, and when the sealing part 50 moves, the expansion and contraction part 51 can be compressed or stretched.

The valve core 5 isolates the valve cavity 10 from the transmission cavity 21, and prevents medium from entering the transmission cavity 21.

A first positioning portion 52, wherein the first positioning portion 52 is clamped between the first positioning groove 11 and the stand 2;

And a second positioning portion 53, wherein the second positioning portion 53 is clamped between the inner wall of the valve body 1 and the outer wall of the positioning disk 4;

The valve core 5 is fixed firmly and reliably through the first positioning part 52 and the second positioning part 53, meanwhile, reliable sealing is formed at the valve body 1 and the seat 2, and one end of the seat 2 is positioned between the inner wall of the first positioning groove 11 and the outer wall of the positioning disc 4, so that the connection between the valve body 1 and the seat 2 is more stable, shaking is not generated due to vibration caused by the operation of a driver, and the sealing fit reliability between the sealing part 50 and the valve seat part 14 is ensured.

And a transmission rod 6, wherein the transmission rod 6 passes through the positioning disc 4 to be in linkage fit with the valve core 5, and the sealing part 50 is switched between a closed state and an open state under the driving of the driver 3.

Further, the method further comprises the following steps:

A connecting sleeve 7, wherein the connecting sleeve 7 is arranged on the sealing part 50 and is provided with a linkage channel 70;

And the valve rod nut 8 is arranged at one end of the linkage channel 70 away from the sealing part 50, one end of the transmission rod 6 is rotatably arranged on the machine base 2, and the other end of the transmission rod 6 is matched with the valve rod nut 8.

With the above arrangement, when the driver 3 drives the transmission rod 6 to rotate, the valve rod nut 8 is driven to axially move along the valve cavity 10, so that the sealing part 50 axially moves along the valve cavity 10, and the valve is opened and closed.

Secondly, a third positioning groove 40 matched with the connecting sleeve 7 is arranged on one side of the positioning disc 4 facing the sealing part 50, so that the moving stability of the connecting sleeve 7, namely the moving stability of the sealing part 50 is ensured, and the reliability of the lifting valve is ensured.

Further, the air inlets 12 are arranged at one end, far away from the first positioning groove 11, of the valve body 1, the air inlets 12 are multiple, and the air inlets are arranged along the circumferential side wall of the valve body 1, so that more working conditions can be adapted.

Further, a transmission cavity 21 communicated with the valve cavity 10 is arranged on the base 2 and is used for installing a transmission assembly between the driver 3 and the transmission rod 6.

The transmission assembly includes:

A gear 90, said gear 90 being driven by the driver 3;

The gear plate 91 is provided with an internal tooth portion 911 meshed with the gear 90 and connected with the transmission rod 6, secondly, the gear plate 91 is provided with a linkage groove 912, the circumferential inner wall of the linkage groove 912 is provided with a linkage area 913, the transmission rod 6 is provided with a linkage plate portion 60, the linkage plate portion 60 is radially and penetratingly provided with a mounting hole 61, a spring 92 is arranged in the mounting hole 61, both ends of the spring 92 are provided with rolling balls 93, and the rolling balls 93 are abutted against the linkage area 913 under the action of the spring 92;

When the valve core 5 moves normally in the axial direction of the valve cavity 10, the ball 93 abuts against the linkage area 913 so that the linkage disc portion 60 rotates following the gear disc 91;

When the movement of the spool 5 in the axial direction of the valve chamber 10 is restricted and the drive 3 continues to drive, the ball 93 slips in the interlocking region 913, so that the gear disk 91 idles.

Through the arrangement, the valve has the function of preventing the motor from blocking, and overload or overload operation of the driver 3 is avoided.

Further, the linkage region 913 includes at least two abutting regions with different inner diameters, and the abutting regions with different inner diameters are connected by adopting an inclined plane, as shown in fig. 6, in this embodiment, four abutting regions are disposed in a cross shape, wherein the inner diameters of each two abutting regions are the same.

In view of the foregoing, it will be evident to a person skilled in the art that the foregoing detailed disclosure may be presented by way of example only and may not be limiting. Although not explicitly described herein, those skilled in the art will appreciate that the present application contemplates numerous alternatives, improvements and modifications to the embodiments. Such alterations, improvements, and modifications are intended to be proposed by this application, and are intended to be within the spirit and scope of the exemplary embodiments of the application.

Furthermore, it should be appreciated that in the foregoing description of embodiments of the application, various features are grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure. However, this is not to say that a combination of these features is necessary, and it is entirely possible for a person skilled in the art to label some of the devices as separate embodiments to understand when reading this application. That is, embodiments of the present application may also be understood as an integration of multiple secondary embodiments. While each secondary embodiment is satisfied by less than all of the features of a single foregoing disclosed embodiment.

Finally, it is to be understood that the embodiments of the application disclosed herein are illustrative of the principles of embodiments of the present application. Other modified embodiments are also within the scope of the application. Accordingly, the disclosed embodiments are illustrative only and not limiting. Those skilled in the art can adopt alternative configurations to implement the application of the present application according to embodiments of the present application. Accordingly, embodiments of the application are not limited to the embodiments precisely described in the application.

Claims (10)

1. A gas meter motor valve, comprising:

The valve comprises a valve body (1), wherein a valve cavity (10), a first positioning groove (11) and an air inlet (12) and an air outlet (13) which are communicated with the valve cavity (10) are arranged on the valve body (1), a valve seat part (14) is arranged on the inner wall of the valve body (1) towards the inside of the valve cavity (10), and the valve seat part (14) is positioned between the air inlet (12) and the air outlet (13);

The machine comprises a machine base (2), wherein one end of the machine base (2) is arranged in a first positioning groove (11), and a second positioning groove (20) is formed in the inner wall of the end;

the driver (3) is arranged at one end, far away from the second positioning groove (20), of the base (2);

The positioning disc (4) is arranged in the second positioning groove (20);

a spool (5), the spool (5) comprising:

A sealing portion (50) for forming a sealing engagement with the valve seat portion (14), the sealing portion (50) being provided so as to be movable in the axial direction of the valve chamber (10) and having a closed state in contact with the valve seat portion (14) and an open state separated from the valve seat portion (14);

A telescopic part (51), wherein the telescopic part (51) can axially extend and retract along the valve cavity (10);

A first positioning part (52), wherein the first positioning part (52) is clamped between the first positioning groove (11) and the machine base (2),

And a second positioning part (53), wherein the second positioning part (53) is clamped between the inner wall of the valve body (1) and the outer wall of the positioning disc (4);

And the transmission rod (6) passes through the positioning disc (4) to be in linkage fit with the valve core (5), and the sealing part (50) is switched between a closed state and an open state under the driving of the driver (3).

2. A gas meter motor valve according to claim 1, characterized in that the housing (2) is provided with a transmission chamber (21) in communication with the valve chamber (10), the valve cartridge (5) isolating the valve chamber (10) from the transmission chamber (21).

3. The gas meter motor valve as set forth in claim 2, further comprising:

the connecting sleeve (7), the connecting sleeve (7) is arranged on the sealing part (50), and a linkage channel (70) is arranged on the connecting sleeve;

And the valve rod nut (8), the valve rod nut (8) is arranged at one end of the linkage channel (70) far away from the sealing part (50), one end of the transmission rod (6) is rotatably arranged at the base (2), and the other end of the transmission rod is matched with the valve rod nut (8).

4. A gas meter motor valve according to claim 3, characterized in that the side of the positioning disc (4) facing the sealing part (50) is provided with a third positioning groove (40) adapted to the connecting sleeve (7).

5. The gas meter motor valve according to claim 1, wherein the gas inlets (12) are arranged at one end of the valve body (1) far away from the first positioning groove (11), and the gas inlets (12) are multiple and are arranged along the circumferential side wall of the valve body (1).

6. The gas meter motor valve as set forth in claim 1, further comprising:

a gear (90), the gear (90) being driven by a driver (3);

and a gear disc (91), wherein an inner tooth part (911) meshed with the gear (90) is arranged on the gear disc (91), and the gear disc is connected with the transmission rod (6).

7. The gas meter motor valve according to claim 6, wherein a linkage groove (912) is formed in the gear disc (91), a linkage area (913) is formed in the circumferential inner wall of the linkage groove (912), a linkage disc portion (60) is formed in the transmission rod (6), a mounting hole (61) is formed in the linkage disc portion (60) in a penetrating manner in the radial direction, a spring (92) is arranged in the mounting hole (61), rolling balls (93) are arranged at two ends of the spring (92), and under the action of the spring (92), the rolling balls (93) are abutted against the linkage area (913);

when the valve core (5) moves normally in the axial direction of the valve cavity (10), the rolling ball (93) is abutted with the linkage area (913) so that the linkage disc part (60) rotates along with the gear disc (91);

When the movement of the valve element (5) in the axial direction of the valve chamber (10) is limited and the drive (3) continues to drive, the ball (93) slides in the linkage region (913) so that the gear disk (91) idles.

8. The gas meter motor valve of claim 7, wherein the linkage zone (913) comprises at least two abutment zones of different inner diameters.

9. The gas meter motor valve according to claim 1, wherein the base (2) comprises a first housing (200) and a second housing (201), the second positioning groove (20) is formed in one end of the second housing (201), a driving cavity (202) is formed between the other end of the second housing (201) and the first housing (200), the driver (3) is arranged in the driving cavity (202), and the first housing (200) is connected with the second housing (201) through a fastening structure.

10. The gas meter motor valve according to claim 9, wherein a sealing ring (203) is arranged between the first housing (200) and the second housing (201).