CN211550656U - Pressure reducer with built-in flowmeter - Google Patents
Pressure reducer with built-in flowmeter Download PDFInfo
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- CN211550656U CN211550656U CN201922481444.2U CN201922481444U CN211550656U CN 211550656 U CN211550656 U CN 211550656U CN 201922481444 U CN201922481444 U CN 201922481444U CN 211550656 U CN211550656 U CN 211550656U
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- valve body
- air flue
- flowmeter
- sealing
- piston rod
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Abstract
The utility model discloses a built-in flowmeter's pressure reducer, including valve body, intake pipe and outlet duct, the upper end threaded connection of valve body has the upper cover, and lower extreme threaded connection has the lower cover, it has right air flue, left air flue, preceding air flue and lower air flue to open in the valve body, and preceding air flue is connected with the manometer, and right air flue and intake pipe intercommunication, left air flue and outlet duct intercommunication, right air flue and lower air flue intercommunication are equipped with sealing piston in the lower cover, form the gas chamber between sealing piston's upper surface and the valve body, still have a flowmeter in the valve body embedding, the one end and the gas chamber intercommunication of flowmeter, the other end and left air flue intercommunication. The utility model discloses embed the flowmeter in the valve body the inside, even if the gas cylinder has arrived also the valve body protection, reached and prevented the effect that falls, install the flowmeter moreover and enable whole air flue shorter in the valve body the inside, it is more energy-conserving.
Description
Technical Field
The utility model belongs to the technical field of the pressure reducer and specifically relates to a pressure reducer of built-in flowmeter is related to.
Background
Chinese patent No. 201820758402.1 discloses an electrically heated pressure reducer with a flow meter, which has a function of measuring the flow rate, but the flow meter is externally connected to a valve body, so that the flow meter is broken when the gas cylinder falls down. And the anti-falling type pressure reducers in the current market are all provided with no flow meters, so that the gas-saving effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome foretell not enough, provide a pressure reducer of built-in flowmeter that the flowmeter also can not break even the gas cylinder falls down.
The technical scheme of the utility model as follows:
a pressure reducer with a built-in flowmeter comprises a valve body 1, an air inlet pipe 2 and an air outlet pipe 3, wherein the upper end of the valve body 1 is in threaded connection with an upper cover 6, the lower end of the valve body 1 is in threaded connection with a lower cover 7, a right air passage 4, a left air passage, a front air passage and a lower air passage 5 are formed in the valve body 1, the front air passage is connected with a pressure gauge 13, the right air passage 4 is communicated with the air inlet pipe 2, the left air passage is communicated with the air outlet pipe 3, the right air passage 4 is communicated with the lower air passage 5, a sealing piston 8 is arranged in the lower cover 7, a gas cavity 10 is formed between the upper surface of the sealing piston 8 and the valve body 1, a sealed cabin is formed between the lower;
a piston rod 81 is further upwards arranged at the center of the sealing piston 8, the upper end of the piston rod 81 is inserted into the lower air channel 5, a pressure reducing spring 9 is further sleeved outside the piston rod 81, the upper end of the pressure reducing spring 9 is connected with the valve body 1, the lower end of the pressure reducing spring is connected with the sealing piston 8, a vertical hole 82 and a transverse hole 83 which are communicated are formed in the piston rod 81, the upper end of the vertical hole 82 is opened on the side face of the piston rod, the lower end of the vertical hole 82 penetrates through the piston rod 81 and extends downwards to penetrate through the sealing piston 8 and is communicated with the sealing cabin, and the;
a flowmeter 20 is also embedded in the valve body 1, one end of the flowmeter 20 is communicated with the gas cavity 10, and the other end is communicated with the left gas channel.
The sealing piston 8 and the piston rod 81 are of an integral structure.
And sealing rings are arranged between the side surface of the sealing piston 8 and the lower cover 7 and between the piston rod 81 and the side wall of the lower air passage 5.
The outlet pipe 3 is of a three-way structure, one end of the outlet pipe is communicated with the left air passage, the other end of the outlet pipe is connected with the adjusting joint 11, and the last end of the outlet pipe can be connected according to actual requirements.
The embedded heating pipe 12 is inserted and arranged on the top of the valve body 1, a through hole sleeve 18 is arranged on the upper cover 6, and an electric wire connected with the embedded heating pipe 12 penetrates out of the through hole sleeve 18.
The flowmeter 20 is fixed by screws after being embedded in the valve body 1.
The utility model has the advantages that:
the utility model discloses embed the flowmeter in the valve body the inside, even if the gas cylinder has arrived also the valve body protection, reached the effect of preventing falling. And the flowmeter is arranged in the valve body, so that the whole air passage is shorter, the energy is saved, and the energy is saved by about 60 percent compared with the common pressure reducers in the market.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic view of plane A-A of FIG. 2;
fig. 4 is a schematic view of plane B-B in fig. 2.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The pressure reducer of the built-in flowmeter shown in fig. 1-4 comprises a valve body 1, an air inlet pipe 2 and an air outlet pipe 3, wherein the upper end of the valve body 1 is in threaded connection with an upper cover 6, the lower end of the valve body 1 is in threaded connection with a lower cover 7, the air outlet pipe 3 is of a three-way structure, a right air passage 4, a left air passage, a front air passage and a lower air passage 5 are arranged in the valve body 1, the right air passage 4 is communicated with the lower air passage 5, the front air passage is connected with a pressure gauge 13, the right air passage 4 is communicated with the air inlet pipe 2, the left air passage is communicated with one end of. A sealing piston 8 is arranged in the lower cover 7, a gas cavity 10 is formed between the upper surface of the sealing piston 8 and the valve body 1, a sealed cabin is formed between the lower surface of the sealing piston 8 and the lower cover 7, a sealing ring is arranged between the side surface of the sealing piston 8 and the lower cover 7, the sealing piston 8 separates the gas cavity 10 from the sealed cabin, a piston rod 81 is further upwards arranged at the center of the sealing piston 8, and the sealing piston 8 and the piston rod 81 are of an integrated structure. The upper end of the piston rod 81 is inserted into the lower air duct 5, and a sealing ring is arranged between the piston rod 81 and the side wall of the lower air duct 5. The piston rod 81 is also sleeved with a pressure reducing spring 9, the upper end of the pressure reducing spring 9 is connected with the valve body 1, the lower end of the pressure reducing spring 9 is connected with the sealing piston 8, a vertical hole 82 and a transverse hole 83 which are communicated are arranged in the piston rod 81, the opening at the upper end of the vertical hole 82 is arranged on the side surface of the piston rod, the lower end of the vertical hole penetrates through the piston rod 81 and extends downwards to penetrate through the sealing piston 8 and is communicated with the sealing cabin, and two transverse holes 83 are generally arranged and are communicated with the gas cavity 10.
A flowmeter 20 is further embedded in the valve body 1, the flowmeter 20 is fixed by screws after being embedded in the valve body 1, one end of the flowmeter 20 is communicated with the gas cavity 10, and the other end of the flowmeter 20 is communicated with the left gas channel.
The embedded heating pipe 12 is inserted and arranged on the top of the valve body 1, a through hole sleeve 18 is arranged on the upper cover 6, and an electric wire connected with the embedded heating pipe 12 penetrates out of the through hole sleeve 18. The embedded heating pipe can heat and transfer heat to the valve body to heat the gas.
During the use, during gas in the high pressure gas cylinder enters into the right gas way of pressure reducer by the intake pipe, reentrant lower gas way, the gas that enters into in the lower gas is with sealed piston down pass, gaseous vertical hole entry from the piston rod side gets into simultaneously, because vertical hole is downward always, consequently the gas can be earlier through vertical hole entering sealed cabin, after being full of gas in the sealed cabin, the piston is upwards promoted, with the effect of the gas in the lower gas way and pressure reducing spring's strength balance, realize the effect of decompression. At the moment, the gas enters the gas cabin through the transverse hole vertical to the vertical hole, then enters the left gas passage after the flow is monitored by the flowmeter, and is discharged from the gas outlet pipe.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a built-in flowmeter's pressure reducer, includes valve body (1), intake pipe (2) and outlet duct (3), the upper end threaded connection of valve body (1) has upper cover (6), and lower extreme threaded connection has lower cover (7), it has right air flue (4), left air flue, preceding air flue and lower air flue (5) to open in valve body (1), and preceding air flue is connected with manometer (13), and right air flue (4) and intake pipe (2) intercommunication, left air flue and outlet duct (3) intercommunication, right air flue (4) and lower air flue (5) intercommunication, characterized by: a sealing piston (8) is arranged in the lower cover (7), a gas cavity (10) is formed between the upper surface of the sealing piston (8) and the valve body (1), a sealing cabin is formed between the lower surface of the sealing piston (8) and the lower cover (7), and the gas cavity (10) is separated from the sealing cabin by the sealing piston (8); a piston rod (81) is further upwards arranged at the center of the sealing piston (8), a lower air channel (5) is inserted into the upper end of the piston rod (81), a pressure reducing spring (9) is further sleeved outside the piston rod (81), the upper end of the pressure reducing spring (9) is connected with the valve body (1), the lower end of the pressure reducing spring is connected with the sealing piston (8), a vertical hole (82) and a transverse hole (83) which are communicated with each other are arranged in the piston rod (81), the upper end of the vertical hole (82) is opened on the side face of the piston rod (81), the lower end of the vertical hole penetrates through the piston rod (81), extends downwards to penetrate through the sealing piston (8) and is communicated with the sealing cabin, and the transverse hole (83) is communicated; a flowmeter (20) is also embedded in the valve body (1), one end of the flowmeter (20) is communicated with the gas cavity (10), and the other end of the flowmeter is communicated with the left gas channel.
2. The pressure reducer of a built-in flowmeter according to claim 1, wherein: the sealing piston (8) and the piston rod (81) are of an integrated structure.
3. The pressure reducer of the internal flow meter according to claim 2, wherein: and sealing rings are arranged between the side surface of the sealing piston (8) and the lower cover (7) and between the piston rod (81) and the side wall of the lower air passage (5).
4. The pressure reducer of a built-in flowmeter according to claim 1, wherein: the air outlet pipe (3) is of a three-way structure, one end of the air outlet pipe is communicated with the left air passage, and the other end of the air outlet pipe is connected with the adjusting joint (11).
5. The pressure reducer of a built-in flowmeter according to claim 1, wherein: the top of the valve body (1) is also inserted with an embedded heating pipe (12), the upper cover (6) is provided with a through hole sleeve (18), and an electric wire connected with the embedded heating pipe (12) penetrates out of the through hole sleeve (18).
6. The pressure reducer of a built-in flowmeter according to claim 1, wherein: the flowmeter (20) is embedded in the valve body (1) and then fixed by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481444.2U CN211550656U (en) | 2019-12-31 | 2019-12-31 | Pressure reducer with built-in flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481444.2U CN211550656U (en) | 2019-12-31 | 2019-12-31 | Pressure reducer with built-in flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550656U true CN211550656U (en) | 2020-09-22 |
Family
ID=72512897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922481444.2U Active CN211550656U (en) | 2019-12-31 | 2019-12-31 | Pressure reducer with built-in flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550656U (en) |
-
2019
- 2019-12-31 CN CN201922481444.2U patent/CN211550656U/en active Active
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