CN212986785U - Control valve for gas meter interface - Google Patents
Control valve for gas meter interface Download PDFInfo
- Publication number
- CN212986785U CN212986785U CN202021772228.XU CN202021772228U CN212986785U CN 212986785 U CN212986785 U CN 212986785U CN 202021772228 U CN202021772228 U CN 202021772228U CN 212986785 U CN212986785 U CN 212986785U
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- China
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- control valve
- outlet pipe
- limiting frame
- valve seat
- pull rod
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Abstract
The utility model discloses a control valve for a gas meter interface, which comprises a control valve main body, wherein an inlet pipe of the control valve main body is connected with the interface of the gas meter; the valve body of the control valve main body is provided with a valve seat, a pull rod and a limiting frame, wherein the valve seat is fixed in the outlet pipe of the control valve main body in an annular shape; a limiting frame is fixed at the other end of the pull rod, the limiting frame is movably abutted against the port of the outlet pipe, a sleeve is slidably sleeved on the outer wall of the port of the outlet pipe, and the sleeve is fixedly connected with the limiting frame; and a compression spring is sleeved outside the pull rod between the valve seat and the limiting frame. The advantages are that: simple structure, convenient to use, when the rubber tube accident drops, the end cap can be quick under compression spring's effect laminate with the disk seat, sealed outlet pipe, the gas that prevents that can be timely leaks, stops the potential safety hazard.
Description
The technical field is as follows:
the utility model relates to a gas table control valve technical field, specifically speaking relate to a control valve for gas table interface.
Background art:
the popularity of city gas has increased year by year from 05 to 2009, which has reached 91.4%. According to the 'twelve-five' planning of gas development in cities and towns in China, the gas popularization rate in cities and towns in China reaches more than 94% to the end of 'twelve-five', the gas popularization rate in county cities and small towns reaches more than 65%, and the number of gas consuming households reaches 2 hundred million households. In order to measure the gas consumption, a gas meter is required to be arranged in each household, a control valve is required to be installed on a gas meter interface, an outlet pipe of the control valve is connected with the gas meter through a rubber pipe and is affected by factors such as service life and the like, the connection end of the rubber pipe and the control valve has falling potential safety hazards, a user cannot find the potential safety hazards in time, the control valve cannot be cut off in time, and the potential safety hazards of gas leakage exist.
The utility model has the following contents:
an object of the utility model is to provide a control valve for gas table interface can in time cut off the air supply.
The utility model discloses by following technical scheme implement: a control valve for a gas meter interface comprises a control valve main body, wherein an inlet pipe of the control valve main body is connected with an interface of a gas meter; the valve seat is fixed in the outlet pipe of the control valve main body in an annular mode, and the outer edge of the valve seat is fixed with the inner wall of the outlet pipe in a sealing mode; the pull rod is movably inserted in the central hole of the valve seat, a plug is fixed at one end of the pull rod adjacent to the valve body of the control valve main body, and the plug is in movable sealing contact with the central hole of the valve seat; the other end of the pull rod is fixedly provided with the limiting frame, the limiting frame is movably abutted against the port of the outlet pipe, a sleeve is slidably sleeved on the outer wall of the port of the outlet pipe, and the sleeve is fixedly connected with the limiting frame; and a compression spring is sleeved outside the pull rod between the valve seat and the limiting frame.
Furthermore, the center hole of the valve seat is a horn mouth facing the plug, and the plug is in a frustum shape matched with the horn mouth.
Furthermore, a first sealing ring is fixed on the inner wall of the central hole of the valve seat, and the side wall of the plug is in movable contact with the first sealing ring.
The inner wall of the outlet pipe between the valve seat and the limiting frame is fixed with the guide frame, the middle part of the guide frame is provided with a guide hole, and the pull rod is movably arranged in the guide hole in a penetrating way; the compression spring is sleeved outside the pull rod between the guide frame and the limiting frame.
Furthermore, a second sealing ring is fixed on the outer wall of the port of the outlet pipe, and the inner wall of the sleeve is in movable contact with the second sealing ring.
The utility model has the advantages that: simple structure, convenient to use, when the rubber tube accident drops, the end cap can be quick under compression spring's effect laminate with the disk seat, sealed outlet pipe, the gas that prevents that can be timely leaks, stops the potential safety hazard.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view showing a sealed state of the outlet pipe.
The control valve comprises a control valve body 1, an inlet pipe 1.1, an outlet pipe 1.2, a valve seat 2, a central hole 2.1, a pull rod 3, a limiting frame 4, a plug 5, a sleeve 6, a compression spring 7, a first sealing ring 8, a guide frame 9, a guide hole 9.1 and a second sealing ring 10.
The specific implementation mode is as follows:
in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element 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" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and fig. 2, a control valve for a gas meter interface includes a control valve body 1, and the control valve body 1 may be a control valve; an inlet pipe 1.1 of the control valve main body 1 is connected with an interface of a gas meter; the valve seat 2 is fixed in the outlet pipe 1.2 of the control valve body 1, the valve seat 2 is arranged in a ring shape, and the outer edge of the valve seat 2 is fixed with the inner wall of the outlet pipe 1.2 in a sealing way; a pull rod 3 is movably inserted in a central hole 2.1 of the valve seat 2,
a limiting frame 4 is fixed at the other end of the pull rod 3, the limiting frame 4 is movably abutted against the port of the outlet pipe 1.2, a sleeve 6 is slidably sleeved on the outer wall of the port of the outlet pipe 1.2, and the sleeve 6 is fixedly connected with the limiting frame 4; a second sealing ring 10 is fixed on the outer wall of the port of the outlet pipe 1.2, the inner wall of the sleeve 6 is movably contacted with the second sealing ring 10, the first sealing ring and the second sealing ring are both O-shaped sealing rings, and the sealing between the sleeve 6 and the outlet pipe 1.2 can be enhanced by arranging the second sealing ring 10 to prevent leakage;
a compression spring 7 is sleeved outside the pull rod 3 between the valve seat 2 and the limiting frame 4, when the limiting frame 4 is abutted to the port of the outlet pipe 1.2, the compression spring 7 is in a compression state, and when the limiting frame 4 is separated from the outlet pipe 1.2, the compression spring 7 resets;
a plug 5 is fixed at one end of the pull rod 3 adjacent to the valve body of the control valve main body 1, the plug 5 is in movable sealing contact with a central hole 2.1 of the valve seat 2, and when the compression spring 7 is reset, the plug 5 plugs the central hole 2.1 to realize sealing; the central hole 2.1 of the valve seat 2 is a bell mouth arranged towards the plug 5, the plug 5 is in a frustum shape matched with the bell mouth, and the sealing property of the plug 5 in contact with the valve seat 2 can be enhanced due to the design of the bell mouth; a first sealing ring 8 is fixed on the inner wall of a central hole 2.1 of the valve seat 2, the side wall of the plug 5 is movably contacted with the first sealing ring 8, and when the plug 5 is matched with the bell mouth, the first sealing ring 8 can enhance the connection tightness of the plug 5 and the bell mouth;
the gas burner also comprises a guide frame 9, wherein the guide frame 9 and the limiting frame 4 are both cross frames, so that gas can conveniently pass through the gas burner; a guide frame 9 is fixed on the inner wall of an outlet pipe 1.2 between the valve seat 2 and the limiting frame 4, a guide hole 9.1 is formed in the middle of the guide frame 9, the pull rod 3 movably penetrates through the guide hole 9.1, and the guide hole 9.1 plays a role in guiding the pull rod 3, so that the connection stability of all parts is ensured, and the clamping is prevented; the compression spring 7 is sleeved outside the pull rod 3 between the guide frame 9 and the limiting frame 4;
instructions for use: firstly, an inlet pipe 1.1 of a control valve main body 1 is in threaded connection with an interface of a gas meter; the rubber tube is sequentially sleeved outside the sleeve 6 and pushed towards the outlet pipe 1.2, in the process, the lower limiting frame 4 is pressed on the port of the outlet pipe 1.2 under the driving of the rubber tube, the rubber tube is continuously pushed along the outlet pipe 1.2 until the end of the rubber tube is completely sleeved on the outlet pipe 1.2 and is fixed through the hoop, and the inner diameter of the rubber tube is slightly smaller than the outer diameter of the outlet pipe 1.2, so that the sleeve 6 and the limiting frame 4 can be pressed on the outlet pipe 1.2 through the rubber tube, at the moment, the plug 5 is separated from the valve seat 2, and the compression spring 7 is in a compression force storage state; when the rubber tube drops from outlet pipe 1.2, the acting force to sleeve 6 is lost, the force accumulated by compression spring 7 is released instantaneously, limiting frame 4 is pushed outwards, and then pull rod 3 drives plug 5 to be attached to central hole 2.1, outlet pipe 1.2 is sealed, and then gas accidental leakage is prevented, and potential safety hazard is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. A control valve for a gas meter interface comprises a control valve main body, wherein an inlet pipe of the control valve main body is connected with an interface of a gas meter; the valve seat is fixed in the outlet pipe of the control valve main body, and the outer edge of the valve seat is fixed with the inner wall of the outlet pipe in a sealing way; the pull rod is movably inserted in the central hole of the valve seat, a plug is fixed at one end of the pull rod adjacent to the valve body of the control valve main body, and the plug is in movable sealing contact with the central hole of the valve seat; the other end of the pull rod is fixedly provided with the limiting frame, the limiting frame is movably abutted against the port of the outlet pipe, a sleeve is slidably sleeved on the outer wall of the port of the outlet pipe, and the sleeve is fixedly connected with the limiting frame; and a compression spring is sleeved outside the pull rod between the valve seat and the limiting frame.
2. The control valve for the gas meter interface according to claim 1, wherein the central hole of the valve seat is a bell mouth arranged toward the plug, and the plug is a frustum shape matched with the bell mouth.
3. The control valve for the gas meter interface according to claim 2, wherein a first sealing ring is fixed on an inner wall of the central hole of the valve seat, and a side wall of the plug is in movable contact with the first sealing ring.
4. The control valve for the gas meter interface according to any one of claims 1 to 3, further comprising a guide frame, wherein the guide frame is fixed on the inner wall of the outlet pipe between the valve seat and the limiting frame, a guide hole is formed in the middle of the guide frame, and the pull rod is movably inserted into the guide hole; the compression spring is sleeved outside the pull rod between the guide frame and the limiting frame.
5. The control valve for a gas meter interface according to any one of claims 1 to 3, wherein a second seal ring is fixed to an outer wall of the port of the outlet pipe, and an inner wall of the sleeve is in movable contact with the second seal ring.
6. The control valve for a gas meter interface according to claim 4, wherein a second sealing ring is fixed on an outer wall of the port of the outlet pipe, and an inner wall of the sleeve is in movable contact with the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772228.XU CN212986785U (en) | 2020-08-21 | 2020-08-21 | Control valve for gas meter interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772228.XU CN212986785U (en) | 2020-08-21 | 2020-08-21 | Control valve for gas meter interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212986785U true CN212986785U (en) | 2021-04-16 |
Family
ID=75434290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021772228.XU Active CN212986785U (en) | 2020-08-21 | 2020-08-21 | Control valve for gas meter interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212986785U (en) |
-
2020
- 2020-08-21 CN CN202021772228.XU patent/CN212986785U/en active Active
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