CN218063551U - Air source pressure reducing valve - Google Patents

Air source pressure reducing valve Download PDF

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Publication number
CN218063551U
CN218063551U CN202222129208.6U CN202222129208U CN218063551U CN 218063551 U CN218063551 U CN 218063551U CN 202222129208 U CN202222129208 U CN 202222129208U CN 218063551 U CN218063551 U CN 218063551U
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China
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valve
valve body
pressure
fixing
air
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CN202222129208.6U
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Chinese (zh)
Inventor
谢文奋
高志泉
王志芳
张晓乐
谢锦康
柏靠山
卢圣峰
孙健
杜亮
康志北
张斌
韩丰浩
张利军
葛继锋
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China National Petroleum Corp
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China National Petroleum Corp
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Abstract

The utility model relates to the technical field of pressure reducing valves, in particular to an air source pressure reducing valve, which comprises a valve body and an adjusting handle which is connected with the valve body in a threaded manner, wherein a push block fixedly connected with the adjusting handle, a pressure regulating spring detachably connected with the push block, an overflow valve arranged at the free end of the pressure regulating spring, a diaphragm which is connected with the overflow valve in a clamped manner and fixed in the valve body, a valve core connected with the overflow valve in a clamped manner, an air inlet valve which can be contacted with the free end of the valve core and fixed in the valve body, and a reset spring arranged between the air inlet valve and the valve body are sequentially arranged in the valve body from top to bottom; overflow valve below is equipped with the sealing washer of fixing in the valve body, is equipped with the fixed establishment who is used for preventing the sealing washer from droing on the case, and the end of giving vent to anger of valve body is equipped with the monitoring subassembly that is used for remote monitoring valve internal flow, the utility model aims to solve the unable problem that realizes remote monitoring end pressure of giving vent to anger of traditional air supply relief pressure valve.

Description

Air source pressure reducing valve
Technical Field
The application relates to the technical field of pressure reducing valves, and particularly discloses an air source pressure reducing valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the regulation of the control and regulation system, so that the pressure behind the valve is kept constant within a certain error range, the working distance of the air source pressure reducing valve is kept the same, and the stable pressure at the air outlet end of the pressure reducing valve is also maintained by the self energy of air.
In the operation process of the conventional gas source reducing valve, the valve core is in dynamic balance and is in continuous motion, the long-time up-and-down movement can cause a sealing ring in the reducing valve to be loosened and even fall off, and the gas pressure at the gas outlet end of the valve body is difficult to monitor in winter, so that the inventor provides the gas source reducing valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the pressure at the gas outlet end of the traditional gas source pressure reducing valve can not be remotely monitored.
In order to achieve the above object, the present invention provides the following basic scheme:
an air supply pressure reducing valve, characterized in that: the pressure regulating valve comprises a valve body and a regulating handle in threaded connection with the valve body, wherein a push block fixedly connected to the regulating handle, a pressure regulating spring detachably connected to the push block, an overflow valve arranged at the free end of the pressure regulating spring, a diaphragm clamped with the overflow valve and fixed in the valve body, a valve core clamped with the overflow valve, an air inlet valve capable of contacting with the free end of the valve core and fixed in the valve body and a reset spring arranged between the air inlet valve and the valve body are sequentially arranged in the valve body from top to bottom;
the overflow valve is characterized in that a sealing ring fixed in the valve body is arranged below the overflow valve, a fixing mechanism used for preventing the sealing ring from falling off is arranged on the valve core, and a monitoring assembly used for remotely monitoring the flow in the valve is arranged at the air outlet end of the valve body.
The principle and the effect of the basic scheme are as follows:
1. compared with the prior art, the utility model discloses in through the adjustment handle who sets up on the valve body, come compression pressure regulating spring through rotatory adjustment handle for pressure regulating spring compression, pressure regulating spring make overflow valve, case move down, thereby open the valve that admits air, make gaseous from the valve body inlet end enter into the end of giving vent to anger, rethread feedback pipe will give vent to anger the end gas and maintain a stable state, easy operation, novel structure, functional strong.
2. Compared with the prior art, the utility model discloses in through the fixed establishment who sets up, can be at the effectual sealing washer that prevents that the in-process that the case reciprocated is not hard up, and then prevent that it from droing, guaranteed the inside sealing performance of valve body, make the utility model discloses work that can be better.
3. Compared with the prior art, the utility model discloses in through the monitoring subassembly that sets up the end of giving vent to anger at the valve body, can give vent to anger the outflow gas of end to the relief pressure valve and carry out pressure monitoring to carry out the transmission of data, whether understanding relief pressure valve that can be timely normally works, thereby can make the adjustment fast, make the utility model discloses it is more complete.
Further, the fixing mechanism comprises a first fixing plate fixedly connected to the valve core and a second fixing plate slidably connected to the valve core, and a fixing spring is arranged between the first fixing plate and the second fixing plate. When the valve core moves downwards, the second fixing plate is firstly contacted with the sealing ring, the valve core continues to move downwards, the first fixing plate compresses the fixing spring, the fixing spring enables the second fixing plate to compress the sealing ring to prevent the sealing ring from loosening, and in the process of moving the valve core upwards, due to the resetting of the spring, downward force can be continuously applied to the second fixing plate, so that in the process of moving the valve core upwards, the second fixing plate can fix the sealing ring in the valve body.
Further, the surface of the second fixing plate, which is far away from the first fixing plate, is in contact with the surface of the sealing ring. The surface of the second retaining plate remote from the first retaining plate in contact with the top surface of the sealing ring enables the second retaining plate to better retain the sealing ring.
Further, the monitoring assembly comprises a monitoring assembly arranged at the air outlet end and a remote data transmission device. The monitoring assembly monitors whether the gas pressure at the gas outlet end is abnormal or not, and the remote data transmission device transmits the monitored pressure data.
Further, the monitoring subassembly includes that the rigid coupling is in the fixed block of the end of giving vent to anger, sliding connection thimble, rigid coupling in the fixed block and with the limiting plate of thimble bottom contact and set up in the fixed block and with the pressure sensor of thimble top contact, pressure sensor is connected with the remote data transmission device electricity. The gas at the gas outlet end pushes the thimble to be in contact with the pressure sensor, the pressure sensor obtains data, and the processing data are transmitted to the remote data transmission device, so that remote monitoring is realized.
Furthermore, the pipeline at the air outlet end is provided with a monitoring hole communicated with the inside of the fixing block. Through the monitoring hole that sets up, conveniently give vent to anger and hold inside gaseous entering fixed block.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating an air supply pressure reducing valve according to an embodiment of the present disclosure;
FIG. 2 is an enlarged view of a portion A of an air supply pressure reducing valve according to an embodiment of the present disclosure;
fig. 3 shows an enlarged view at B in an air supply pressure reducing valve according to an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the pressure-regulating valve comprises a valve body 1, a regulating handle 2, a pressure-regulating spring 3, an overflow valve 4, a diaphragm 5, a valve core 6, a first fixing plate 601, a fixing spring 602, a second fixing plate 603, a sealing ring 7, an air inlet end 8, a feedback guide pipe 9, an air inlet valve 10, a return spring 11, an air outlet end 12, a monitoring hole 1201, a fixing block 13, a limiting plate 14, an ejector pin 15, a pressure sensor 16 and a remote data transmission device 17.
Examples are shown in fig. 1, fig. 2, and fig. 3:
an air source pressure reducing valve comprises a valve body 1, wherein the upper end of the valve body 1 is in threaded connection with an adjusting handle 2, the bottom surface of the adjusting handle 2, which is positioned inside the valve body 1, is fixedly connected with a push block, the bottom surface of the push block is detachably connected with a pressure regulating spring 3, the free end of the spring is provided with an overflow valve 4, the side wall of the overflow valve 4 is clamped with a diaphragm 5 fixed inside the valve body 1, the bottom surface of the overflow valve 4 is clamped with a valve core 6, the lower end of the valve core 6 is in contact with a cleaner valve which is slidably connected inside the valve body 1, a return spring 11 is arranged between the bottom of an air inlet valve 10 and the valve body 1, a feedback conduit 9 is arranged between an air outlet end 12 of the pressure reducing valve and the overflow valve 4, the pressure regulating spring 3 is compressed by rotating the adjusting handle 2, the pressure regulating spring 3 is compressed, the overflow valve 4 and the valve core 6 move downwards, so that the air inlet valve 10 is opened, and air enters the air outlet end 12 from an air inlet end 8 of the valve body 1; if the output pressure exceeds the set value, the gas impacts the diaphragm 5 through the feedback conduit 9, the diaphragm 5 leaves the balance position and deforms upwards, so that the overflow valve 4 is opened, redundant air is discharged into the atmosphere through an overflow port, when the output pressure is reduced to the set value, the overflow valve 4 is closed, the stress on the diaphragm 5 keeps a balance state, and the air pressure is also maintained in a stable state.
The lower portion of the overflow valve 4 is provided with a sealing ring 7 detachably connected in the valve body 1, the valve core 6 is provided with a fixing mechanism for preventing the sealing ring 7 from falling off, the fixing mechanism comprises a first fixing plate 601 fixedly connected on the valve core 6 and a second fixing plate 603 slidably connected on the valve core 6, a fixing spring 602 is arranged between the first fixing plate 601 and the second fixing plate 603, the surface of the second fixing plate 603 far away from the first fixing plate 601 is contacted with the surface of the sealing ring 7, when the valve core 6 moves downwards, the second fixing plate 603 is firstly contacted with the sealing ring 7, the valve core 6 continues to move downwards, the first fixing plate 601 compresses the fixing spring 602, the fixing spring 602 enables the second fixing plate 603 to compress the sealing ring 7 to prevent the sealing ring 7 from loosening, and in the process that the valve core 6 moves upwards, due to the resetting of the spring, a downward force can be continuously applied to the second fixing plate 603, so that the valve core 6 can fix the sealing ring 7 in the valve body 1 in the process of moving upwards.
The outlet end 12 port of the valve body 1 is further provided with a monitoring component for remotely monitoring the air pressure in the valve, the monitoring component comprises a monitoring component and a remote data transmission device 17 which are arranged at the outlet end 12, the outlet end 12 is provided with a monitoring hole 1201 communicated with the inside of the fixed block 13, the monitoring component comprises a fixed block 13 fixedly connected with the outlet end 12, a thimble 15 slidably connected in the fixed block 13, a limiting plate 14 fixedly connected in the fixed block 13 and contacted with the bottom of the thimble 15 and a pressure sensor 16 arranged in the fixed block 13 and contacted with the top of the thimble 15, the pressure sensor 16 is electrically connected with the remote data transmission device 17, a pipeline of the outlet end 12 is provided with a monitoring hole 1201 communicated with the inside of the fixed block 13, the air at the outlet end 12 enters the fixed block 13 through the monitoring hole 1201, the thimble 15 is pushed to be contacted with the pressure sensor 16, the pressure sensor 16 obtains data, the pressure data is transmitted to the remote data transmission device 17, and the remote data transmission device 17 transmits the pressure data to a receiving end of a monitor, thereby remotely monitoring the air pressure at the outlet end 12.
The method comprises the following specific implementation steps: firstly, the adjusting handle 2 is rotated, the adjusting handle 2 moves downwards to enable the pushing block to compress the pressure regulating spring 3, the pressure regulating spring 3 enables the overflow valve 4 and the valve core 6 to move downwards to open the air inlet valve 10, so that air enters the air outlet end 12 from the air inlet end 8 of the valve body 1, if the output pressure exceeds a set value, the air impacts the membrane 5 through the feedback conduit 9, the membrane 5 leaves a balance position and deforms upwards, so that the overflow valve 4 is opened, redundant air is discharged into the atmosphere through an overflow port, when the output pressure is reduced to the set value, the overflow valve 4 is closed, the stress on the membrane 5 is kept in a balance state, and the air pressure is kept stable, secondly, when the valve core 6 moves downwards, when the second fixing plate 603 is firstly contacted with the sealing ring 7, the valve core 6 continues to move downwards, the first fixing plate 601 compresses the fixing spring 602, the fixing spring 602 is enabled the second fixing plate 603 to tightly press the sealing ring 7 to prevent the sealing ring 7 from loosening, and in the process that in which the valve core 6 moves upwards, due to the resetting of the spring, the second fixing plate 603, the sealing ring 7 is fixed plate 603, the gas outlet end is enabled to be continuously exerted with a pressure monitoring device 1201, so that the gas pressure sensor 16 is pushed to enter the remote data transmission device 16, and the thimble 16 is obtained.
The utility model aims to solve the problem that the traditional air supply relief pressure valve can not realize the remote monitoring end pressure of giving vent to anger.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims (6)

1. An air supply pressure reducing valve, characterized in that: the pressure regulating valve comprises a valve body and a regulating handle in threaded connection with the valve body, wherein a push block fixedly connected to the regulating handle, a pressure regulating spring detachably connected to the push block, an overflow valve arranged at the free end of the pressure regulating spring, a diaphragm clamped with the overflow valve and fixed in the valve body, a valve core clamped with the overflow valve, an air inlet valve which can be in contact with the free end of the valve core and fixed in the valve body, and a return spring arranged between the air inlet valve and the valve body are sequentially arranged in the valve body from top to bottom;
the overflow valve is characterized in that a sealing ring fixed in the valve body is arranged below the overflow valve, a fixing mechanism used for preventing the sealing ring from falling off is arranged on the valve core, and a monitoring assembly used for remotely monitoring the flow in the valve body is arranged at the air outlet end of the valve body.
2. The air source pressure reducing valve according to claim 1, wherein the fixing mechanism comprises a first fixing plate fixedly connected to the valve core and a second fixing plate slidably connected to the valve core, and a fixing spring is arranged between the first fixing plate and the second fixing plate.
3. The air supply pressure relief valve according to claim 2, wherein the surface of said second retaining plate remote from said first retaining plate contacts the surface of said sealing ring.
4. The air supply pressure reducing valve according to claim 1, wherein the monitoring assembly comprises a monitoring assembly arranged at the air outlet end and a remote data transmission device.
5. The air source pressure reducing valve according to claim 4, wherein the monitoring assembly comprises a fixing block fixedly connected to the air outlet end, an ejector pin slidably connected to the inside of the fixing block, a limiting plate fixedly connected to the inside of the fixing block and contacting with the bottom of the ejector pin, and a pressure sensor arranged in the fixing block and contacting with the top of the ejector pin, wherein the pressure sensor is electrically connected to the remote data transmission device.
6. The air source pressure reducing valve according to claim 5, wherein the air outlet end pipeline is provided with a monitoring hole communicated with the inside of the fixing block.
CN202222129208.6U 2022-08-12 2022-08-12 Air source pressure reducing valve Active CN218063551U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222129208.6U CN218063551U (en) 2022-08-12 2022-08-12 Air source pressure reducing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222129208.6U CN218063551U (en) 2022-08-12 2022-08-12 Air source pressure reducing valve

Publications (1)

Publication Number Publication Date
CN218063551U true CN218063551U (en) 2022-12-16

Family

ID=84403771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222129208.6U Active CN218063551U (en) 2022-08-12 2022-08-12 Air source pressure reducing valve

Country Status (1)

Country Link
CN (1) CN218063551U (en)

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