CN212155940U - Direct-drive type gas pressure regulator - Google Patents
Direct-drive type gas pressure regulator Download PDFInfo
- Publication number
- CN212155940U CN212155940U CN202020814801.2U CN202020814801U CN212155940U CN 212155940 U CN212155940 U CN 212155940U CN 202020814801 U CN202020814801 U CN 202020814801U CN 212155940 U CN212155940 U CN 212155940U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve port
- arc
- pressure regulator
- diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of gas transmission and distribution equipment, a direct drive formula gas pressure regulator is disclosed. The main technical characteristics are as follows: the valve comprises a valve body with an air inlet, an air outlet, a valve port and an upper shell, wherein a diaphragm with a tray and a driving shaft is arranged between the upper shell and the valve body, the upper shell is provided with an adjusting spring, an adjusting nut and an upper cover, a guide seat is arranged behind the valve port, a movable valve matched with the valve port is arranged in the guide seat, the movable valve is provided with an arc-shaped through hole, and an arc-shaped driving rod matched with the arc-shaped through hole is arranged at the lower end of the driving shaft. The utility model provides a direct drive formula gas pressure regulator, drive shaft direct drive loose valve, action sensitivity is high, and the pressure regulating is effectual.
Description
Technical Field
The utility model belongs to the technical field of the gas transmission and distribution equipment, especially, relate to a direct drive formula gas pressure regulator.
Background
The gas pressure regulator is specially suitable for gas transmission and distribution system as gas pressure regulating equipment for regulating pressure and stabilizing pressure, and is widely applied to gas transmission and distribution engineering. The pressure regulating device has the function of automatically regulating the pressure of the gas outlet, so that the gas outlet is stabilized in a certain pressure range, the pressure value required by a user is met, and the use requirement is met. The gas pressure regulator used at present structurally comprises a valve body with an air inlet, an air outlet, a valve port and an upper shell, a diaphragm with a tray and a connecting shaft is arranged between the upper shell and the valve body, an adjusting spring, an adjusting nut and an upper cover are arranged on the upper shell, a valve rod is arranged in the valve body, a movable valve matched with the valve port is arranged at the top end of the valve rod, and the tail end of the valve rod is connected with the connecting shaft through a transmission rod. When the pressure regulator works, fuel gas enters the valve body from the gas inlet, is throttled and depressurized through a gap between the movable valve and the valve port, and reaches downstream equipment from the gas outlet. Under normal conditions, the force of the pressure of the air outlet acting on the bottom surface of the diaphragm and the force of the adjusting spring acting on the top surface of the diaphragm reach balance, the valve rod is static, and the valve port is in a normal opening state. When the pressure of the air outlet rises and the force of the pressure of the air outlet on the bottom surface of the diaphragm is larger than the force of the regulating spring on the top surface of the diaphragm, the diaphragm drives the tray and the connecting shaft to move upwards, the connecting shaft drives the valve rod to move towards the direction close to the valve port through the transmission rod, the gap between the movable valve and the valve port is reduced, the pressure of the air outlet is reduced and recovered to a normal value, and therefore normal air supply is maintained. When the pressure of the air outlet is reduced and the force of the pressure of the air outlet on the bottom surface of the diaphragm is smaller than the force of the adjusting spring on the top surface of the diaphragm, the diaphragm drives the tray and the connecting shaft to move downwards, the connecting shaft drives the valve rod to move towards the direction far away from the valve port through the transmission rod, the gap between the movable valve and the valve port is enlarged, the pressure of the air outlet is increased and recovered to a normal value, and therefore normal air supply is maintained. The gas pressure regulator with the structure indirectly drives the movable valve, has low action sensitivity and influences the pressure regulating effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a direct drive live valve is provided, direct drive formula gas pressure regulator that action sensitivity is high.
In order to solve the technical problem, the utility model discloses a technical scheme does: the valve comprises a valve body with an air inlet, an air outlet, a valve port and an upper shell, wherein a diaphragm with a tray and a driving shaft is arranged between the upper shell and the valve body, the upper shell is provided with an adjusting spring, an adjusting nut and an upper cover, a guide seat is arranged behind the valve port, a movable valve matched with the valve port is arranged in the guide seat, the movable valve is provided with an arc-shaped through hole, and an arc-shaped driving rod matched with the arc-shaped through hole is arranged at the lower end of the driving shaft.
The additional technical characteristics are as follows: the upper end of the driving shaft extends into the upper shell, the outer diameter of the upper end of the driving shaft is smaller than that of the middle part of the driving shaft, the upper end of the driving shaft is provided with a diffusion spring, the bottom surface of the upper cover is provided with a stop lever matched with the driving shaft, a space is reserved between the driving shaft and the stop lever, and the upper shell is provided with a diffusion opening;
a breather valve seat with a breather valve port is arranged at the matched position of the upper shell and the diffusing port, and a breather valve clack matched with the breather valve port is arranged on the breather valve seat.
The utility model provides a direct drive formula gas pressure regulator during operation, the gas gets into the valve body by the air inlet, through the clearance throttle step-down between loose valve and valve port, reachs low reaches equipment by the gas outlet. Under normal conditions, the force of the pressure of the air outlet acting on the bottom surface of the diaphragm and the force of the adjusting spring acting on the top surface of the diaphragm reach balance and are in a normal opening state. When the pressure of the air outlet rises and the force of the pressure of the air outlet on the bottom surface of the diaphragm is larger than the force of the regulating spring on the top surface of the diaphragm, the diaphragm drives the tray and the driving shaft to move upwards, the arc-shaped driving rod at the lower end of the driving shaft moves upwards in the arc-shaped through hole and drives the valve to move towards the direction close to the valve port, the gap between the valve and the valve port is reduced, the pressure of the air outlet is reduced and the normal value is restored, and therefore normal air supply is maintained. When the pressure of the air outlet is reduced, the force of the pressure of the air outlet acting on the bottom surface of the diaphragm is smaller than the force of the adjusting spring acting on the top surface of the diaphragm, the diaphragm drives the tray and the driving shaft to move downwards, the arc-shaped driving rod at the lower end of the driving shaft moves downwards in the arc-shaped through hole and drives the valve to move towards the direction far away from the valve port, the gap between the valve and the valve port is enlarged, the pressure of the air outlet is increased and recovered to a normal value, and therefore normal air supply is. The utility model provides a direct drive formula gas pressure regulator, the up-and-down motion of diaphragm directly makes the loose valve side-to-side motion through the arc actuating lever, and drive shaft direct drive loose valve, action sensitivity is high, and the pressure regulating is effectual.
The utility model provides a direct drive formula gas pressure regulator sets up the mechanism of diffusing, and the epitheca is stretched into to the upper end of drive shaft, and the external diameter of drive shaft upper end is less than the external diameter at drive shaft middle part, and the upper end of drive shaft is provided with the spring of diffusing, and the upper cover bottom surface is provided with drive shaft assorted pin, leaves the interval between drive shaft and pin, and the epitheca is provided with the mouth of diffusing. When the pressure of the air outlet exceeds the safe use pressure, the diaphragm drives the tray and the driving shaft to move upwards to the position where the driving shaft is contacted with the stop lever, the driving shaft can not move upwards any more, the pressure of the air outlet pushes the diaphragm and the tray to compress the diffusion spring, the diaphragm and the tray continue to move upwards to reach the upper end of the driving shaft, the outer diameter of the upper end of the driving shaft is smaller than the outer diameter of the middle part of the driving shaft, a gap is formed between the diaphragm and the upper end of the driving shaft, and fuel gas is discharged into the upper shell and discharged from the diffusion port, so that uninterrupted. And a breather valve seat with a breather valve port is arranged at the matched position of the upper shell and the bleeding port, and the breather valve seat is provided with a breather valve clack matched with the breather valve port, so that the bleeding effect is improved.
Drawings
Fig. 1 is the structure schematic diagram of the utility model relates to a direct-drive gas pressure regulator.
Detailed Description
The following describes the specific structure of a direct-drive gas pressure regulator of the present invention in further detail with reference to the accompanying drawings.
As shown in figure 1, the utility model relates to a direct-drive gas pressure regulator, which comprises a valve body 1, the valve body 1 is provided with an air inlet 2, an air outlet 3, a valve port 4 and an upper shell 5, a diaphragm 8 with a tray 6 and a driving shaft 7 is arranged between the upper shell 5 and the valve body 1, the upper shell is provided with 5 an adjusting spring 9, an adjusting nut 10 and an upper cover 11, a guide seat 12 is arranged at the back of the valve port 4, a movable valve 13 matched with the valve port 4 is arranged in the guide seat 12, the movable valve 13 is provided with an arc through hole 14, the lower end of the driving shaft 7 is provided with an arc driving rod 15 matched with the arc through hole 14, the upper end of the driving shaft 7 extends into the upper shell 5, the outer diameter of the upper end of the driving shaft 7 is smaller than the outer diameter of the middle part of the driving shaft 7, the upper end of the driving shaft 7, the upper shell 5 is provided with a diffusing port 18, a breather valve seat 20 with a breather valve port 19 is arranged at the matched position of the upper shell 5 and the diffusing port 18, and the breather valve seat 20 is provided with a breather valve flap 21 matched with the breather valve port 19.
The utility model provides a direct drive formula gas pressure regulator during operation, the gas gets into valve body 1 by air inlet 2, through the clearance throttle step-down between loose valve 13 and valve port 4, reachs low reaches equipment by gas outlet 3. Under normal conditions, the force of the pressure of the air outlet 3 acting on the bottom surface of the diaphragm 8 and the force of the adjusting spring 9 acting on the top surface of the diaphragm 8 reach balance and are in a normal opening state. When the pressure of the air outlet 3 rises, and the force of the pressure of the air outlet 3 acting on the bottom surface of the diaphragm 8 is larger than the force of the pressure of the adjusting spring 9 acting on the top surface of the diaphragm 8, the diaphragm 8 drives the tray 6 and the driving shaft 7 to move upwards, the arc-shaped driving rod 15 at the lower end of the driving shaft 7 moves upwards in the arc-shaped through hole 14 and drives the valve 13 to move towards the direction close to the valve port 4, the gap between the valve 13 and the valve port 4 is reduced, the pressure of the air outlet 3 is reduced and recovered to a normal value. When the pressure of the air outlet 3 is reduced, and the force of the pressure of the air outlet 3 acting on the bottom surface of the diaphragm 8 is smaller than the force of the pressure of the adjusting spring 9 acting on the top surface of the diaphragm 8, the diaphragm 8 drives the tray 6 and the driving shaft 7 to move downwards, the arc-shaped driving rod 15 at the lower end of the driving shaft 6 moves downwards in the arc-shaped through hole 14 and drives the valve 13 to move towards the direction far away from the valve port 4, the gap between the valve 13 and the valve port 4 is enlarged, so that the pressure of the air outlet 3 is increased and recovered to a.
The utility model provides a direct drive formula gas pressure regulator sets up the mechanism of diffusing. When the pressure of the air outlet 3 exceeds the safe use pressure, the diaphragm 8 drives the tray 6 and the driving shaft 7 to move upwards to the driving shaft 7 to be contacted with the stop lever 17, the driving shaft 7 can not move upwards any more, the pressure of the air outlet 3 pushes the diaphragm 8 and the tray 6 to compress the diffusion spring 16, the diaphragm 8 and the tray 6 continue to move upwards to reach the upper end of the driving shaft 7, the outer diameter of the upper end of the driving shaft 7 is smaller than the outer diameter of the middle part of the driving shaft 7, a gap is generated between the diaphragm 8 and the upper end of the driving shaft 7, and the fuel gas is discharged into the upper shell 5 and is discharged through the diffusion port 18, so. And a breather valve seat 20 with a breather valve port 19 is arranged at the matched position of the upper shell 5 and the diffusion port 18, and the breather valve seat 20 is provided with a breather valve flap 21 matched with the breather valve port 19, so that the diffusion effect is improved.
The utility model provides a direct drive formula gas pressure regulator is not only limited to above-mentioned structure, as long as adopted the utility model discloses various improvements that the method design and technical scheme go on, or not improve will the utility model discloses a design and technical scheme directly are applied to other occasions, all are in the utility model discloses an in the protection range.
Claims (3)
1. The utility model provides a direct drive formula gas pressure regulator, is provided with the diaphragm that has tray and drive shaft including the valve body that has air inlet, gas outlet, valve port and epitheca between epitheca and valve body, and the epitheca is provided with adjusting spring, adjusting nut, upper cover, its characterized in that: the back of the valve port is provided with a guide seat, a movable valve matched with the valve port is arranged in the guide seat, the movable valve is provided with an arc-shaped through hole, and the lower end of the driving shaft is provided with an arc-shaped driving rod matched with the arc-shaped through hole.
2. A direct-drive gas pressure regulator according to claim 1, wherein: the upper end of drive shaft stretches into the epitheca, and the external diameter of drive shaft upper end is less than the external diameter at drive shaft middle part, and the upper end of drive shaft is provided with the diffusion spring, and the upper cover bottom surface is provided with drive shaft assorted pin, leaves the interval between drive shaft and pin, and the epitheca is provided with the mouth that diffuses.
3. A direct-drive gas pressure regulator according to claim 1, wherein: a breather valve seat with a breather valve port is arranged at the matched position of the upper shell and the diffusing port, and a breather valve clack matched with the breather valve port is arranged on the breather valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020814801.2U CN212155940U (en) | 2020-05-16 | 2020-05-16 | Direct-drive type gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020814801.2U CN212155940U (en) | 2020-05-16 | 2020-05-16 | Direct-drive type gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155940U true CN212155940U (en) | 2020-12-15 |
Family
ID=73705472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020814801.2U Active CN212155940U (en) | 2020-05-16 | 2020-05-16 | Direct-drive type gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155940U (en) |
-
2020
- 2020-05-16 CN CN202020814801.2U patent/CN212155940U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200996336Y (en) | Self-resetting explosion-proof gate | |
| CN202176782U (en) | Self-operated pressure regulating valve with protection actuating mechanism function | |
| CN2786391Y (en) | Pilot-operated overflow valve | |
| CN212155940U (en) | Direct-drive type gas pressure regulator | |
| CN2921497Y (en) | Micro-block flow-limiting non-return valve | |
| CN201502761U (en) | Pressure reducing valve with composite valve | |
| CN201196340Y (en) | Gas pressure regulator | |
| CN201779018U (en) | Oil pressure control air inlet valve for oilless screw compressor | |
| CN209244627U (en) | Multistage draining exhaust valve | |
| CN208764394U (en) | Control system is truncated in axial-flow type safety shut-off valve and its superpressure | |
| CN203796643U (en) | Adjustable throttling hydraulic lock of coal mining machine | |
| CN202182222U (en) | Piston type balanced self-reliance pressure-regulating valve | |
| CN101266023B (en) | Gas pressure regulator | |
| CN209145716U (en) | Single-cylinder air-cooled diesel engine mechanical governing actuator | |
| CN210461825U (en) | Gas safety relief valve | |
| CN209762358U (en) | Pressure balancer for gas pressure regulator | |
| CN202176813U (en) | Self-operated pressure-regulating valve with dustproof function | |
| CN203082301U (en) | Gas pressure reducer for mass flow | |
| CN200961560Y (en) | Hydraulic inner-feedback self-reset main pressure-dividing valve | |
| CN217401731U (en) | Quick start steam turbine adjusts valve structure | |
| CN201354934Y (en) | Pressure reducing regulator | |
| CN201218424Y (en) | Two-stage gas pressure regulator | |
| CN210218825U (en) | Indoor voltage regulator of inefficacy safety type | |
| CN2459546Y (en) | High-sensitivity direct action type gas pressure regulator | |
| CN201074592Y (en) | Least pressure valve for air-actuated self-force type screw compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |