CN213177015U

CN213177015U - Valve with adjustable function for natural gas

Info

Publication number: CN213177015U
Application number: CN202021530682.4U
Authority: CN
Inventors: 高长伟
Original assignee: Zhejiang Shidai Casting Co ltd
Current assignee: Zhejiang Shidai Casting Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-11
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the technical field of natural gas valves, in particular to a natural gas valve with an adjustable function, which comprises a valve body; the valve body comprises an air inlet pipeline, an air outlet pipeline and a control pipeline, wherein an adjusting mechanism is arranged in the control pipeline, and detection mechanisms are arranged on the air inlet pipeline and the air outlet pipeline; the rotating threaded rod is rotated, the threaded rod drives the upper sealing block to move up and down through the connecting rod and the connecting block, the conveying capacity of the natural gas is adjusted and controlled by controlling the gap between the upper sealing block and the lower sealing block, and the usability of the natural gas control valve is improved; through the natural gas concentration in the natural gas concentration detector detection room, drive the closing plate switch through controller control telescopic link, in time close control flap after taking place natural gas leakage incident, prevent to cause danger because natural gas leaks, improve the security to effectively send out the warning when the natural gas leaks through the warning light, remind the maintenance, guarantee the normal use of natural gas.

Description

Valve with adjustable function for natural gas

Technical Field

The utility model relates to a valve technical field for the natural gas, concretely relates to valve for natural gas with adjustable function.

Background

Natural gas refers to all gases naturally occurring in nature, including gases formed by various natural processes in the air space, water space and rock space (including oil field gas, gas field gas, mud volcanic gas, coal bed gas, biogenetic gas and the like). The definition of "natural gas" which has been common for a long time is a narrow definition from the energy point of view, and refers to a mixture of hydrocarbon and non-hydrocarbon gases which are naturally trapped in the formation. In petrogeology, oil field gas and gas field gas are commonly referred to. The composition is mainly hydrocarbon and contains non-hydrocarbon gas.

The gas valve is a novel safety matching device for gas pipeline engineering; the gas valve is used for cutting off, connecting and adjusting gas in a pipeline, and has good control characteristics and closing sealing performance; it is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen. The gas valve is widely applied to various gas medium pipelines such as gas, liquefied petroleum gas, natural gas, oxygen and the like of an urban gas supply pipeline network system; the driving form is manual, worm gear transmission, electric, pneumatic, hydraulic, electrohydraulic linkage and other executing mechanisms, and the remote control and automatic operation can be realized

The natural gas is one of the necessary standard of district's construction now, domestic natural gas line need utilize a plurality of connecting device to connect, the control flap of natural gas need be installed near natural gas line's outlet duct, and then conveniently utilize the valve to control the transport and the disconnection of natural gas, but present valve can't be controlled the transport volume of natural gas, the transport volume that leads to the natural gas is a definite value, the practicality is relatively poor, the too much output of natural gas can cause the waste of resource simultaneously, and current natural gas is carried to the district at home, if the natural gas leaks and fails in time to discover, certain danger has.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides a valve for natural gas with adjustable function can overcome prior art effectively and exist present valve and can't control the conveying capacity of natural gas, and the conveying capacity that leads to the natural gas is a definite value, and the practicality is relatively poor, and the too much output of natural gas can cause the extravagant problem of resource simultaneously, has still solved current natural gas and has carried to the district in the house, if the natural gas leaks and fails in time to discover, has certain dangerous problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a natural gas valve with an adjustable function comprises a valve body; the valve body comprises an air inlet pipeline, an air outlet pipeline and a control pipeline, the air inlet pipeline is welded on the lower side of the left end of the control pipeline, the air outlet pipeline is welded on the right end of the control pipeline, a valve body cap is fixedly connected to the upper end of the control pipeline, an adjusting mechanism is arranged in the control pipeline, and detection mechanisms are arranged on the air inlet pipeline and the air outlet pipeline;

the adjusting mechanism comprises a handle, a threaded rod, a connecting block, an upper sealing block and a lower sealing block, the upper end of the valve body cap is rotatably connected with the handle, the lower end of the handle penetrates into the valve body cap and is fixedly connected with the threaded rod, the lower end of the threaded rod penetrates into the control pipeline and is fixedly connected with the connecting rod, the threaded rod is in threaded connection with the valve body cap and the control pipeline in a threaded mode, the lower end of the connecting rod is rotatably connected with the connecting block, the lower end of the connecting block is fixedly connected with the upper sealing block, and the.

Furthermore, the upper end of the handle is screwed with a rotating wheel, and the lower end of the threaded rod is fixedly connected with a limit stop.

Furthermore, a circular groove is formed in the upper end of the connecting block, a lug is fixedly connected to the lower end of the connecting rod, and the lug is matched with the circular groove.

Furthermore, the detection mechanism comprises a fixed cylinder, a fixed rod, a telescopic rod and a sealing plate, wherein the upper ends of the air inlet pipeline and the air outlet pipeline are fixedly connected with the fixed cylinder, the upper end of the fixed cylinder is fixedly connected with the fixed rod, the telescopic rod is arranged inside the lower end of the fixed cylinder, the lower end of the telescopic rod is fixedly connected with the sealing plate, and the lower end of the sealing plate is inserted into the air inlet pipeline and the air outlet pipeline.

Further, install natural gas concentration detector, controller and warning light on the dead lever, the controller is located the natural gas concentration detector downside, natural gas concentration detector is located the warning light downside.

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model rotates the runner to drive the handle to rotate, so that the threaded rod rotates, the threaded rod drives the upper sealing block to move up and down through the connecting rod and the connecting block, and the conveying capacity of the natural gas is adjusted and controlled by controlling the gap between the upper sealing block and the lower sealing block, thereby improving the usability of the natural gas control valve; through the natural gas concentration in the natural gas concentration detector detection room, drive the closing plate switch through controller control telescopic link, in time close control flap after taking place natural gas leakage incident, prevent to cause danger because natural gas leaks, improve the security to effectively send out the warning when the natural gas leaks through the warning light, remind the maintenance, guarantee the normal use of natural gas.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic structural view of the detecting mechanism of the present invention;

FIG. 3 is a schematic structural view of an adjusting mechanism of the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 3 according to the present invention;

the reference numerals in the drawings denote: 1-valve body, 2-air inlet pipeline, 3-air outlet pipeline, 4-control pipeline, 5-valve body cap, 6-adjusting mechanism, 601-handle, 602-threaded rod, 603-connecting rod, 604-connecting block, 605-upper sealing block, 606-lower sealing block, 607-rotating wheel, 608-limit stop, 609-circular groove, 610-convex block, 7-detection mechanism, 701-fixed cylinder, 702-fixed rod, 703-telescopic rod, 704-sealing plate, 705-natural gas concentration detector, 706-controller and 707-warning lamp.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

Referring to fig. 1 to 4, a valve for natural gas with an adjustable function according to the present embodiment includes a valve body 1; valve body 1 includes admission line 2, pipeline 3 and control pipeline 4 of giving vent to anger, and 4 left end downside welding of control pipeline have admission line 2, and the right-hand member welding has pipeline 3 of giving vent to anger, and 4 upper ends rigid couplings of control pipeline have valve body cap 5, and control pipeline 4 is inside to be provided with adjustment mechanism 6, all is provided with detection mechanism 7 on admission line 2 and the pipeline 3 of giving vent to anger.

Specifically, referring to fig. 1, 3 and 4, the adjusting mechanism 6 includes a handle 601, a threaded rod 602, a connecting rod 603, a connecting block 604, an upper sealing block 605 and a lower sealing block 606, the upper end of the valve body cap 5 is rotatably connected with the handle 601, the lower end of the handle 601 penetrates into the valve body cap 5 and is fixedly connected with the threaded rod 602, the lower end of the threaded rod 602 penetrates into the control pipeline 4 and is fixedly connected with the connecting rod 603, the threaded rod 602 is in threaded connection with the valve body cap 5 and the control pipeline 4, the lower end of the connecting rod 603 is rotatably connected with the connecting block 604, the lower end of the connecting block 604 is fixedly connected with the upper sealing block 605, and the. The upper end of the handle 601 is screwed with a rotating wheel 607, and the lower end of the threaded rod 602 is fixedly connected with a limit stop 608. The upper end of the connecting block 604 is provided with a circular groove 609, the lower end of the connecting rod 603 is fixedly connected with a bump 610, and the bump 610 is matched with the circular groove 609.

Specifically, referring to fig. 1 and 2, the detection mechanism 7 includes a fixed cylinder 701, a fixed rod 702, a telescopic rod 703 and a sealing plate 704, the upper ends of the air inlet pipeline 2 and the air outlet pipeline 3 are all fixedly connected with the fixed cylinder 701, the upper end of the fixed cylinder 701 is fixedly connected with the fixed rod 702, the telescopic rod 703 is mounted inside the lower end of the fixed cylinder 701, the lower end of the telescopic rod 703 is fixedly connected with the sealing plate 704, and the lower end of the sealing plate 704 is inserted into the air inlet pipeline 2 and the air outlet pipeline. The fixing rod 702 is provided with a natural gas concentration detector 705, a controller 706 and a warning lamp 707, the controller 706 is positioned at the lower side of the natural gas concentration detector 705, and the natural gas concentration detector 705 is positioned at the lower side of the warning lamp 707.

It should be noted that the common used devices of the electrical devices of the whole device belong to the prior art, and the control circuit can be implemented by simple programming by the technicians in the field, which belongs to the common knowledge in the field, and only uses the devices without improving the devices, and the utility model discloses mainly be used for protecting the mechanical device, so the utility model discloses control mode and circuit connection are not explained in detail again.

Referring to fig. 1 to 4, in the present embodiment, a valve body 1 is connected to a natural gas pipeline through an inlet pipe 2 and an outlet pipe 3; the rotating wheel 607 is rotated to drive the handle 601 to rotate, so that the threaded rod 602 rotates, the threaded rod 602 drives the upper sealing block 605 to move up and down through the connecting rod 603 and the connecting block 604, and the gap between the upper sealing block 605 and the lower sealing block 606 is adjusted, so that the conveying capacity of natural gas is controlled, and the conveying capacity of natural gas is reasonably adjusted according to the use condition; when the natural gas concentration detector 705 does not detect that the natural gas does not leak, the natural gas concentration detector 705 does not send a signal, the controller 706 controls the telescopic rod to keep the telescopic rod 703 in a retracting state, so that the sealing plate 704 does not seal the gas inlet pipeline 2 and the gas outlet pipeline 3, and the warning lamp 707 is turned off; when the natural gas concentration detector 705 detects that the natural gas leaks, a signal is transmitted to the controller 706, the controller 706 controls the extension of the telescopic rod 703 to drive the sealing plate 704 to move downwards, the air inlet pipeline 2 and the air outlet pipeline 3 are sealed, the natural gas is blocked from dredging, and meanwhile the warning lamp 707 is controlled to be on.

The utility model improves the usability of the natural gas control valve by adjusting and controlling the delivery amount of the natural gas; through the natural gas concentration in the natural gas concentration detector detection room, drive the closing plate switch through controller control telescopic link, in time close control flap after taking place natural gas leakage incident, prevent to cause danger because natural gas leaks, improve the security to effectively send out the warning when natural gas leaks through the warning light, remind the maintenance, guarantee the normal use of natural gas

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A natural gas valve with an adjustable function comprises a valve body (1); the valve body (1) is characterized by comprising an air inlet pipeline (2), an air outlet pipeline (3) and a control pipeline (4), wherein the air inlet pipeline (2) is welded at the lower side of the left end of the control pipeline (4), the air outlet pipeline (3) is welded at the right end of the control pipeline (4), a valve body cap (5) is fixedly connected to the upper end of the control pipeline (4), an adjusting mechanism (6) is arranged inside the control pipeline (4), and detection mechanisms (7) are arranged on the air inlet pipeline (2) and the air outlet pipeline (3);

adjustment mechanism (6) include handle (601), threaded rod (602), connecting rod (603), connecting block (604), go up sealed piece (605) and lower sealed piece (606), valve body cap (5) upper end is rotated and is connected with handle (601), handle (601) lower extreme penetrates in valve body cap (5) to rigid coupling threaded rod (602), threaded rod (602) lower extreme penetrates in control duct (4) to the rigid coupling has connecting rod (603), threaded rod (602) and valve body cap (5) and control duct (4) spiro union, connecting rod (603) lower extreme rotates and is connected with connecting block (604), connecting block (604) lower extreme rigid coupling has last sealed piece (605), control duct (4) lower extreme rigid coupling has lower sealed piece (606).

2. The adjustable natural gas valve as claimed in claim 1, wherein a rotating wheel (607) is screwed on the upper end of the handle (601), and a limit stop (608) is fixed on the lower end of the threaded rod (602).

3. The valve for natural gas with adjustable function of claim 1, wherein the connecting block (604) has a circular groove (609) at the upper end, the connecting rod (603) has a protrusion (610) at the lower end, and the protrusion (610) is matched with the circular groove (609).

4. The natural gas valve with the adjustable function according to claim 1, wherein the detection mechanism (7) comprises a fixed cylinder (701), a fixed rod (702), an expansion rod (703) and a sealing plate (704), the fixed cylinder (701) is fixedly connected to the upper ends of the gas inlet pipeline (2) and the gas outlet pipeline (3), the fixed rod (702) is fixedly connected to the upper end of the fixed cylinder (701), the expansion rod (703) is installed inside the lower end of the fixed cylinder (701), the sealing plate (704) is fixedly connected to the lower end of the expansion rod (703), and the lower end of the sealing plate (704) is inserted into the gas inlet pipeline (2) and the gas outlet pipeline (3).

5. The valve for natural gas with adjustable function as claimed in claim 4, wherein the fixing rod (702) is provided with a natural gas concentration detector (705), a controller (706) and a warning lamp (707), the controller (706) is arranged at the lower side of the natural gas concentration detector (705), and the natural gas concentration detector (705) is arranged at the lower side of the warning lamp (707).