CN213206572U - Gas pipeline pressure regulating device - Google Patents
Gas pipeline pressure regulating device Download PDFInfo
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- CN213206572U CN213206572U CN202021458664.XU CN202021458664U CN213206572U CN 213206572 U CN213206572 U CN 213206572U CN 202021458664 U CN202021458664 U CN 202021458664U CN 213206572 U CN213206572 U CN 213206572U
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Abstract
The utility model discloses a gas pipeline pressure regulating device, which comprises two gas pipes which are connected front and back, and a first pressure regulating mechanism and a second pressure regulating mechanism which are arranged between the two gas pipes, wherein the first pressure regulating mechanism and the second pressure regulating mechanism are connected front and back; the utility model discloses a set up first pressure regulating mechanism and second pressure regulating mechanism, wherein adjust the junction between piston seal inlet channel and the passageway of giving vent to anger in the first pressure regulating mechanism to realize carrying out the first pressure regulating to the trachea, then drive the lifting screw removal through the drive pneumatic cylinder in the second pressure regulating mechanism, with the gas outlet degree of adjusting limit gas boss shutoff air guide passageway, realize carrying out the second pressure regulating to the trachea, so make the utility model discloses a pressure regulating is more accurate.
Description
Technical Field
The utility model belongs to the technical field of the gas technique and specifically relates to a gas pipeline pressure regulating device is related to.
Background
The gas pipe is a special pipeline of carrying combustible gas, is one kind and replaces traditional buckle mode rubber hose with metal gas pipe hose, and current gas pipeline is the unstable phenomenon of pressure in the use of avoiding appearing, if partial gas pipeline pressure is too big, appears easily that the junction breaks between gas pipe or the gas pipe to the phenomenon is leaked in the gas appearance, can influence public safety seriously.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide a gas pipeline pressure regulating device who adjusts fast, the precision is high.
In order to achieve the above purpose, the utility model provides a scheme does: a gas pipeline pressure regulating device comprises two gas pipes which are connected in front and back, and a first pressure regulating mechanism and a second pressure regulating mechanism which are arranged between the two gas pipes, wherein the first pressure regulating mechanism and the second pressure regulating mechanism are connected in front and back;
the first pressure regulating mechanism comprises a first shell, an air inlet channel and an air outlet channel are formed in the first shell, the air inlet channel is connected with the air outlet channel, an air inlet of the air inlet channel is connected with a gas pipe located on the front side, an adjusting screw rod and a jacking device are arranged in the first shell, one end of the adjusting screw rod is sleeved with a return spring, the other end of the adjusting screw rod extends to the outer side of the first shell, the return spring is connected with the jacking device, and the jacking device is connected with a piston to push the piston to plug the connection position between the air inlet channel and the air outlet channel;
the second pressure regulating mechanism comprises a second shell, an air guide channel which is provided with an air inlet cavity, an air outlet cavity and communicated with the air inlet cavity and the air outlet cavity is formed in the second shell, a lifting screw is connected with the inner thread of the air outlet cavity, one end of the lifting screw is connected with a rotating hand wheel, an air limiting boss which is of a cone structure is formed at the other end of the lifting screw, and the rotating hand wheel drives the air limiting boss to enter the air guide channel so as to block the air guide channel.
The utility model has the advantages that: realize multistage pressure regulation, the utility model discloses a set up first pressure regulating mechanism and second pressure regulating mechanism, wherein adjust the junction between piston seal part inlet channel and the air outlet channel in the first pressure regulating mechanism, in order to realize carrying out the first pressure regulation to the gas pipe, then drive the lifting screw to move through the drive pneumatic cylinder in the second pressure regulating mechanism, in order to adjust the gas outlet degree that the boss shutoff air guide passageway of restricting gas, realize carrying out the second pressure regulation to the gas pipe, so make the utility model discloses a pressure regulating is more accurate, and the practicality is strong, adjusts fast; when still need carry out the pressure regulating to the gas pipe simultaneously, carry out the third time pressure regulating through arranging the first pressure regulating mechanism on the pipe, further strengthen the pressure regulating precision.
Furthermore, the air outlet of the air outlet channel is communicated with the air inlet cavity through an air duct.
Furthermore, an adjusting hand wheel is sleeved on the adjusting screw rod. The utility model adopts the above structure after, through setting up adjusting handle to twist and move adjusting screw, thereby drive adjusting screw back-and-forth movement.
Furthermore, a first connecting boss is formed at the end of the adjusting screw rod, a second connecting boss is formed on the back face of the pressing piece, one end of the reset spring is sleeved on the first connecting boss, and the other end of the reset spring is sleeved on the second connecting boss. The utility model adopts the above structure after, realize moving adjusting screw through twisting to promote the roof pressure son and remove.
Further, the adjusting screw is in threaded connection with the first housing.
Furthermore, an exhaust channel is formed in the second shell, one end of the exhaust channel is connected with the air outlet cavity, and the other end of the exhaust channel is connected with the exhaust pipe.
Furthermore, pressure gauges are arranged on the two gas pipes. The utility model adopts the above structure after to the accurate atmospheric pressure that detects out on two gas pipes.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is a structural diagram of the first pressure regulating mechanism of the present invention.
Fig. 3 is a structural diagram of a second pressure regulating mechanism of the present invention.
Wherein, 1 is first casing, 11 is inlet channel, 12 is outlet channel, 13 is adjusting screw, 131 is adjusting hand wheel, 132 is first connection boss, 14 is the top presser, 141 is the second connection boss, 15 is reset spring, 16 is the piston, 2 is the second casing, 21 is the chamber of admitting air, 22 is the chamber of giving vent to anger, 23 is the air guide channel, 24 is lifting screw, 241 is the boss of restricting gas, 25 is the rotation hand wheel, 26 is exhaust passage, 3 is the gas pipe, 31 is the manometer, 41 is the blast pipe, 42 is the air duct, 43 is the ooff valve.
Detailed Description
The invention will be further described with reference to the following specific embodiments:
referring to fig. 1 to 3, a gas pipeline pressure regulating device includes two gas pipes 3 connected in front and back, and a first pressure regulating mechanism and a second pressure regulating mechanism disposed between the two gas pipes 3, the first pressure regulating mechanism and the second pressure regulating mechanism are connected in front and back, two exhaust pipes 41 connected in parallel are connected between the second pressure regulating mechanism and the gas pipe 3 located at the rear side, a switch valve 43 is disposed on one exhaust pipe 41, and a switch valve 43 and the first pressure regulating mechanism are disposed on the other exhaust pipe 41; pressure gauges 31 are arranged on the two gas pipes 3.
The first pressure regulating mechanism comprises a first shell 1, an air inlet channel 11 and an air outlet channel 12 are formed in the first shell 1, the air inlet channel 11 is connected with the air outlet channel 12, an air inlet of the air inlet channel 11 is connected with a gas pipe 3 positioned on the front side, an adjusting screw 13 and a jacking sub 14 are arranged in the first shell 1, the adjusting screw 13 is in threaded connection with the first shell 1, one end of the adjusting screw 13 is sleeved with a return spring 15, the other end of the adjusting screw extends to the outer side of the first shell 1 and is sleeved with an adjusting hand wheel 131, the return spring 15 is connected with the jacking sub 14, and the jacking sub 14 is connected with a piston 16 to push the piston 16 to block the joint between the air inlet channel 11 and the air outlet; specifically, a first connecting boss 132 is formed at the end of the adjusting screw 13, a second connecting boss 141 is formed at the back of the top presser 14, and one end of the return spring 15 is sleeved on the first connecting boss 132, and the other end is sleeved on the second connecting boss 141.
The second pressure regulating mechanism comprises a second shell 2, an air inlet cavity 21, an air outlet cavity 22 and an air guide channel 23 for communicating the air inlet cavity 21 with the air outlet cavity 22 are formed in the second shell 2, a lifting screw 24 is connected with the air outlet cavity 22 in an internal thread manner, one end of the lifting screw 24 is connected with a rotating hand wheel 25, the other end of the lifting screw is formed with an air limiting boss 241 in a cone structure, and the air limiting boss 241 is driven to enter the air guide channel 23 by rotating the hand wheel 25 so as to block the air guide channel 23; an exhaust channel 26 is formed in the second casing 2, one end of the exhaust channel 26 is connected with the air outlet cavity 22, the other end is connected with an exhaust pipe 41, and an air outlet of the air outlet channel 12 is communicated with the air inlet cavity 21 through an air guide pipe 42.
The voltage regulation process of this embodiment: according to the value displayed by the pressure gauge 31 on the gas pipe 3 positioned on the front side and the gas pressure of the gas pipe 3 which needs to be adjusted actually, the first pressure adjusting mechanism is adjusted correspondingly, specifically, the adjusting hand wheel 131 is firstly screwed to drive the adjusting screw 13 to rotate so as to enable the adjusting screw 13 to move back and forth in the first shell 1, so as to push the return spring 15, the top press 14 and the piston 16 to move back and forth, so that the piston 16 closes the joint between part of the gas inlet channel 11 and the gas outlet channel 12, and the flow of the gas is reduced, meanwhile, due to the arrangement of the return spring 15, the gas in the gas inlet channel 11 can push the piston 16 and the top press 14 to be close to the adjusting screw 13, and under the action of the return spring 15, the pressure of the gas in the gas inlet channel 11 can be reduced.
After the gas is subjected to primary pressure regulation, the gas is discharged into the gas guide tube 42 from the gas outlet channel 12 and then enters the gas inlet cavity 21 of the second pressure regulating mechanism, the gas enters the gas outlet cavity 22 through the gas guide channel 23 in the gas inlet cavity 21, at the moment, the rotating hand wheel 25 is screwed, the rotating hand wheel 25 rotates to drive the lifting screw 24 to rotate, so that the gas limiting boss 241 of the lifting screw 24 is close to the gas guide channel 23 until the gas enters the gas guide channel 23 to close part of the gas guide channel 23, so that the gas flow passing through the gas guide channel 23 is reduced, the gas flow entering the gas outlet cavity 22 is reduced, and secondary pressure regulation is realized; if pressure regulation is finished in the first pressure regulating mechanism, the numerical value of the pressure gauge 31 on the gas pipe 3 positioned at the rear side is combined, and when pressure regulation is not required, the rotating hand wheel 25 can be screwed to drive the gas limiting boss 241 to exit from the gas guide channel 23.
When the pressure regulation is not required by using the first pressure regulating mechanism on the exhaust pipe 41, the on-off valve 42 on the exhaust pipe 41 is closed, and the on-off valve 42 on the other exhaust pipe 41 is opened, so that the gas is directly exhausted to the gas pipe 3 positioned at the rear side; when pressure regulation is required to be performed by using the first pressure regulating mechanism on the exhaust pipe 41, the on-off valve 42 on the exhaust pipe 41 is opened, the on-off valve 42 on the other exhaust pipe 41 is closed, then the regulating handwheel 131 is screwed according to actual requirements to perform third pressure regulation, and finally, the gas is discharged to the gas pipe 3 positioned at the rear side through the exhaust pipe 41.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (7)
1. The utility model provides a gas pipeline pressure regulating device which characterized in that: the gas pipe pressure regulating device comprises two gas pipes (3) which are connected in front and back, and a first pressure regulating mechanism and a second pressure regulating mechanism which are arranged between the two gas pipes (3), wherein the first pressure regulating mechanism and the second pressure regulating mechanism are connected in front and back, two exhaust pipes (41) which are connected in parallel are connected between the second pressure regulating mechanism and the gas pipe (3) positioned on the rear side, one exhaust pipe (41) is provided with a switch valve (43), and the other exhaust pipe (41) is provided with the switch valve (43) and the first pressure regulating mechanism;
the first pressure regulating mechanism comprises a first shell (1), an air inlet channel (11) and an air outlet channel (12) are formed in the first shell (1), the air inlet channel (11) is connected with the air outlet channel (12), an air inlet of the air inlet channel (11) is connected with a fuel gas pipe (3) located on the front side, an adjusting screw rod (13) and a jacking device (14) are arranged in the first shell (1), one end of the adjusting screw rod (13) is sleeved with a return spring (15), the other end of the adjusting screw rod extends to the outer side of the first shell (1), the return spring (15) is connected with the jacking device (14), and the jacking device (14) is connected with a piston (16) to push the piston (16) to plug the joint between the air inlet channel (11) and the air outlet channel (12);
the second pressure regulating mechanism comprises a second shell (2), an air inlet cavity (21), an air outlet cavity (22) and an air guide channel (23) for communicating the air inlet cavity (21) with the air outlet cavity (22) are formed in the second shell (2), an internal thread of the air outlet cavity (22) is connected with a lifting screw (24), one end of the lifting screw (24) is connected with a rotating hand wheel (25), and the other end of the lifting screw is formed with an air limiting boss (241) of a cone structure, so that the rotating hand wheel (25) drives the air limiting boss (241) to enter the air guide channel (23) to block the air guide channel (23).
2. A gas pipeline pressure regulating device as claimed in claim 1, wherein: the air outlet of the air outlet channel (12) is communicated with the air inlet cavity (21) through an air guide pipe (42).
3. A gas pipeline pressure regulating device as claimed in claim 1, wherein: the adjusting screw (13) is sleeved with an adjusting hand wheel (131).
4. A gas pipeline pressure regulating device as claimed in claim 1, wherein: the end part of the adjusting screw rod (13) is provided with a first connecting boss (132), the back surface of the jacking press (14) is provided with a second connecting boss (141), one end of the reset spring (15) is sleeved on the first connecting boss (132), and the other end of the reset spring is sleeved on the second connecting boss (141).
5. A gas pipeline pressure regulating device as claimed in claim 1, wherein: the adjusting screw rod (13) is in threaded connection with the first shell (1).
6. A gas pipeline pressure regulating device as claimed in claim 1, wherein: an exhaust channel (26) is formed in the second shell (2), one end of the exhaust channel (26) is connected with the air outlet cavity (22), and the other end of the exhaust channel is connected with the exhaust pipe (41).
7. A gas pipeline pressure regulating device as claimed in claim 1, wherein: pressure gauges (31) are arranged on the two gas pipes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021458664.XU CN213206572U (en) | 2020-07-22 | 2020-07-22 | Gas pipeline pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021458664.XU CN213206572U (en) | 2020-07-22 | 2020-07-22 | Gas pipeline pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213206572U true CN213206572U (en) | 2021-05-14 |
Family
ID=75834534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021458664.XU Active CN213206572U (en) | 2020-07-22 | 2020-07-22 | Gas pipeline pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213206572U (en) |
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2020
- 2020-07-22 CN CN202021458664.XU patent/CN213206572U/en active Active
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