CN221120955U - Medium-low voltage regulator - Google Patents
Medium-low voltage regulator Download PDFInfo
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- CN221120955U CN221120955U CN202323224954.4U CN202323224954U CN221120955U CN 221120955 U CN221120955 U CN 221120955U CN 202323224954 U CN202323224954 U CN 202323224954U CN 221120955 U CN221120955 U CN 221120955U
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- valve port
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of pressure regulators, in particular to a medium-low pressure regulator, which comprises a valve body and a pressure regulating assembly, wherein the pressure regulating assembly comprises a diaphragm, a valve port pipe, a pressure guiding pipe, a first spring, a lever and a second spring, the diaphragm is arranged on the valve body, the valve port pipe is arranged on the valve body, the pressure guiding pipe is respectively connected with the valve body and the diaphragm, the first spring is arranged on the diaphragm, the lever is arranged on the diaphragm, the second spring is arranged on the valve port pipe and is connected with the lever, the valve port pipe is provided with a valve port, the pressure regulating is realized by pressing the valve port through the sealing of a mechanical arm type pressing down by a main diaphragm, and the problems of low pressure regulating precision and small flow range are solved.
Description
Technical Field
The utility model relates to the technical field of voltage regulators, in particular to a medium-low voltage regulator.
Background
At present, with the continuous increase of energy structure change and environmental protection in China, the development and utilization of natural gas are rapidly developed. The compressed natural gas is obtained by purifying and compressing wellhead natural gas or pipeline natural gas, then storing and transporting the purified natural gas at high pressure, reaching a use place, and directly inputting the purified natural gas or pipeline natural gas into a pipe network for supplying various users through multistage heat exchange and pressure regulation. The urban fuel gas can be finally used by users through the pressure regulation of the pressure regulating device, the fuel gas pressure regulating device is generally composed of a plurality of functional modules, such as a pressure regulator for realizing the pressure regulating function, and the middle-low pressure regulator adopted by the domestic fuel gas industry is mainly realized in a mode that a traditional direct acting pressure regulator is used for driving a valve port and a main leather membrane by lifting a balance leather membrane through a vertical rod, but the traditional direct acting pressure regulator has low pressure regulating precision and small flow range.
Disclosure of utility model
The utility model aims to provide a medium-low voltage regulator, and aims to solve the problems of low pressure regulating precision and small flow range of the traditional direct acting pressure regulator.
In order to achieve the above purpose, the utility model provides a medium-low voltage regulator, which comprises a valve body,
Also comprises a pressure regulating component which is used for regulating the pressure of the air,
The pressure regulating assembly comprises a diaphragm, a valve port pipe, a pressure guiding pipe, a first spring, a lever and a second spring, wherein the diaphragm is arranged on the valve body and is positioned on one side of the valve body, the valve port pipe is arranged on the valve body and is positioned on one side of the valve body close to the diaphragm, the pressure guiding pipe is respectively connected with the valve body and the diaphragm, the pressure guiding pipe is positioned on one side of the valve body close to the diaphragm, the first spring is arranged on the diaphragm and is positioned on one side of the diaphragm, the lever is arranged on the diaphragm and is positioned on one side of the diaphragm close to the valve port pipe, and the second spring is arranged on the valve port pipe and is connected with the lever and is positioned on one side of the valve port pipe close to the lever;
the valve port pipe is provided with a valve port, and the valve port is positioned on one side of the valve port pipe.
The valve body is provided with a pressure outlet, and the pressure outlet is positioned at one side of the valve body, which is close to the pressure guiding pipe.
Wherein, the pressure regulating subassembly still includes the dog, the dog sets up the dog is in.
Wherein, the pressure regulating subassembly still includes the third spring, the third spring.
The pressure regulating assembly further comprises a rubber sealing gasket, wherein the rubber sealing gasket is arranged on the valve port pipe and is positioned on one side of the valve port pipe.
In the medium-low pressure regulator, the outlet pressure of the valve body is led into the diaphragm by the pressure leading pipe and is balanced with the elastic force of the first spring at the other side of the diaphragm, the elastic force of the second spring and the aerodynamic force acting on the valve port of the valve port pipe also participate in the comparison when the whole regulator moves, the movement of the diaphragm is transmitted to the valve port of the valve port pipe by the lever, the second spring acts to eliminate the mutual balance between the upper and lower movement of the lever, the valve port of the valve port pipe is kept at the full-open position by the first spring when the pressure in the regulator is not used, and the outlet pressure of the valve body is set value when the regulator works stably, the valve port of the valve port pipe has a certain opening degree, if the outlet pressure is lower than a set value, the force of the outlet pressure acting on the diaphragm is smaller than the elastic force of the first spring B, the diaphragm moves downwards, so that the valve port of the valve port pipe lifts upwards to open the valve, the flow rate is increased, and then the outlet pressure is restored to the set value, otherwise, if the outlet pressure is increased, the valve port is automatically closed down, the outlet pressure is maintained unchanged, and further, the direct acting pressure regulator controlled by the diaphragm, the first spring and the second spring does not have an upright rod, and the pressure regulation is realized by lifting the mechanical arm to downwards press the valve port seal through the main diaphragm, so that the problems of low pressure regulation precision and small flow range are solved.
Drawings
In order to more clearly illustrate the embodiments of the present application 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.
Fig. 1 is a schematic structural diagram of a medium-low voltage regulator according to a first embodiment of the present utility model.
In the figure: 101-valve body, 102-pressure regulating assembly, 103-diaphragm, 104-valve port pipe, 105-pressure guiding pipe, 106-first spring, 107-lever, 108-second spring, 109-stop, 110-third spring, 111-rubber sealing gasket, 112-valve port, 113-pressure outlet.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
The first embodiment of the application is as follows:
Referring to fig. 1, fig. 1 is a schematic structural diagram of a medium-low voltage regulator according to a first embodiment of the present utility model.
The utility model provides a medium-low pressure regulator, which comprises a valve body 101 and a pressure regulating assembly 102, wherein the pressure regulating assembly 102 comprises a diaphragm 103, a valve port pipe 104, a pressure guiding pipe 105, a first spring 106, a lever 107, a second spring 108, a stop block 109, a third spring 110 and a rubber sealing gasket 111, the valve port pipe 104 is provided with a valve port 112, and the valve body 101 is provided with a pressure outlet 113. The scheme solves the problems of low pressure regulating precision and small flow range of the traditional direct acting pressure regulator, and can be used under the conditions of low pressure regulating precision and small flow range of the traditional pressure regulator.
In the present embodiment, the gas is supplied through the valve body 101.
Wherein the diaphragm 103 is arranged on the valve body 101 and is positioned at one side of the valve body 101, the valve port pipe 104 is arranged on the valve body 101 and is positioned at one side of the valve body 101 close to the diaphragm 103, the pressure guiding pipe 105 is respectively connected with the valve body 101 and the diaphragm 103, the pressure guiding pipe 105 is positioned at one side of the valve body 101 close to the diaphragm 103, the first spring 106 is arranged on the diaphragm 103 and is positioned at one side of the diaphragm 103, the lever 107 is arranged on the diaphragm 103 and is positioned at one side of the diaphragm 103 close to the valve port pipe 104, the second spring 108 is arranged on the valve port pipe 104, is connected with the lever 107, and is positioned on one side of the valve port pipe 104 close to the lever 107; the valve port pipe 104 is provided with a valve port 112, the valve port 112 is positioned at one side of the valve port pipe 104, the pressure outlet 113 is positioned at one side of the valve body 101 close to the pressure leading pipe 105, the valve port pipe 104 is arranged on the valve body 101, the valve port pipe 104 is provided with the valve port 112, two ends of the pressure leading pipe 105 are connected with the valve body 101 and the diaphragm 103, the outlet pressure of the valve body 101 can be led into the diaphragm 103 by the pressure leading pipe 105 through the pressure leading pipe 105, the first spring 106 is arranged on the diaphragm 103, the lever 107 is arranged on the diaphragm 103, the lever 107 has a lever 107 acting force, the second spring 108 is arranged between the valve port pipe 104 and the lever 107, the valve body 101 is provided with a pressure outlet 113, and the outlet pressure can be generated, so that the outlet pressure of the valve body 101 is led to act on the diaphragm 103 by the pressure leading pipe 105, the force is balanced with the elastic force of the first spring 106 on the other side of the diaphragm 103, the elastic force of the second spring 108 and the aerodynamic force acting on the valve port 112 of the valve port pipe 104 also participate in the comparison when the whole pressure regulator moves, the movement of the diaphragm 103 is transmitted to the valve port 112 of the valve port tube 104 by the lever 107, the second spring 108 has the function of eliminating the mutual balance between the upper and lower movements of the lever 107, the valve port 112 of the valve port tube 104 is kept at the full open position by the first spring 106 when no pressure is applied in the pressure regulator, the outlet pressure of the valve body 101 is set as a set value when the valve port tube 104 works stably, the valve port 112 of the valve port tube 104 has a certain opening degree, if the outlet pressure is lower than the set value, the force of the outlet pressure acting on the diaphragm 103 is smaller than the elastic force of the first spring 106B, the diaphragm 103 moves downwards, so that the valve port 112 of the valve port pipe 104 is lifted upwards to open the valve, the flow rate is increased, and the outlet pressure is restored to a set value, otherwise, if the outlet pressure is increased, the valve port 112 is automatically closed down, the outlet pressure is maintained unchanged, and the direct acting pressure regulator controlled by the diaphragm 103, the first spring 106 and the second spring 108 does not have a vertical rod, and is sealed by lifting the main diaphragm up and pressing the valve port 112 down, so that the pressure regulation is realized, and the problems of low pressure regulation precision and small flow range are solved.
Secondly, damage caused by an overpressure under the diaphragm 103 or an overload of the first spring 106 can be prevented by the stop 109 and the third spring 110.
Finally, the rubber gasket 111 is disposed on the valve port pipe 104 and is located at one side of the valve port pipe 104, the rubber gasket 111 is disposed on the valve port 112 on the valve port pipe 104, and the rubber gasket 111 is mounted on the valve port 112 of the valve port pipe 104, so as to ensure perfect sealing at zero flow.
When the middle-low pressure regulator of the present embodiment is used, the outlet pressure of the valve body 101 is led to act on the diaphragm 103 by the pressure leading pipe 105, the force is balanced with the elastic force of the first spring 106 at the other side of the diaphragm 103, the elastic force of the second spring 108 and the aerodynamic force acting on the valve port 112 of the valve port pipe 104 are also involved in the comparison when the whole pressure regulator moves, the movement of the diaphragm 103 is transmitted to the valve port 112 of the valve port pipe 104 by the lever 107, the action of the second spring 108 is to eliminate the mutual balance between the upper and lower movements of the lever 107, the valve port 112 of the valve port pipe 104 is kept at the full open position by the first spring 106 when no pressure exists in the pressure regulator, the outlet pressure of the valve body 101 is set value when stable operation, the valve port 112 of the valve port pipe 104 has a certain opening degree, if the outlet pressure is lower than a set value, the force of the outlet pressure acting on the diaphragm 103 is smaller than the elastic force of the first spring 106B, the diaphragm 103 moves downwards, so that the valve port 112 of the valve port pipe 104 lifts upwards to open the valve, the flow rate is increased, and the outlet pressure is restored to the set value, otherwise, if the outlet pressure is increased, the valve port 112 is automatically closed down, the outlet pressure is kept unchanged, and further, the direct acting pressure regulator controlled by the diaphragm 103, the first spring 106 and the second spring 108 has no upright rod, and the pressure regulation is realized by sealing the valve port 112 by the lifting mechanical arm of the main diaphragm, so that the problems of low pressure regulation precision and small flow rate range are solved.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.
Claims (5)
1. A medium-low pressure voltage regulator comprises a valve body, and is characterized in that,
Also comprises a pressure regulating component which is used for regulating the pressure of the air,
The pressure regulating assembly comprises a diaphragm, a valve port pipe, a pressure guiding pipe, a first spring, a lever and a second spring, wherein the diaphragm is arranged on the valve body and is positioned on one side of the valve body, the valve port pipe is arranged on the valve body and is positioned on one side of the valve body close to the diaphragm, the pressure guiding pipe is respectively connected with the valve body and the diaphragm, the pressure guiding pipe is positioned on one side of the valve body close to the diaphragm, the first spring is arranged on the diaphragm and is positioned on one side of the diaphragm, the lever is arranged on the diaphragm and is positioned on one side of the diaphragm close to the valve port pipe, and the second spring is arranged on the valve port pipe and is connected with the lever and is positioned on one side of the valve port pipe close to the lever;
the valve port pipe is provided with a valve port, and the valve port is positioned on one side of the valve port pipe.
2. A medium and low voltage regulator according to claim 1, wherein,
The valve body is provided with a pressure outlet, and the pressure outlet is positioned at one side of the valve body, which is close to the pressure guiding pipe.
3. A medium and low voltage regulator according to claim 1, wherein,
The pressure regulating assembly further comprises a stop block, and the stop block is arranged on the pressure regulating assembly.
4. A medium and low voltage regulator according to claim 1, wherein,
The pressure regulating assembly further includes a third spring, the third spring.
5. A medium and low voltage regulator according to claim 1, wherein,
The pressure regulating assembly further comprises a rubber sealing gasket, wherein the rubber sealing gasket is arranged on the valve port pipe and is positioned on one side of the valve port pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323224954.4U CN221120955U (en) | 2023-11-28 | 2023-11-28 | Medium-low voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323224954.4U CN221120955U (en) | 2023-11-28 | 2023-11-28 | Medium-low voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120955U true CN221120955U (en) | 2024-06-11 |
Family
ID=91373905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323224954.4U Active CN221120955U (en) | 2023-11-28 | 2023-11-28 | Medium-low voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120955U (en) |
-
2023
- 2023-11-28 CN CN202323224954.4U patent/CN221120955U/en active Active
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