CN211501773U - Piston type gas pressure reducer - Google Patents
Piston type gas pressure reducer Download PDFInfo
- Publication number
- CN211501773U CN211501773U CN201921142754.5U CN201921142754U CN211501773U CN 211501773 U CN211501773 U CN 211501773U CN 201921142754 U CN201921142754 U CN 201921142754U CN 211501773 U CN211501773 U CN 211501773U
- Authority
- CN
- China
- Prior art keywords
- air flue
- piston
- valve body
- air
- manometer
- 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 relates to a piston gas pressure reducer, including the valve body, intake pipe and manometer, it has the upper airway to open on the valve body, the back air flue, left air flue and right air flue, the upper airway communicates with each other with back air flue and left air flue, the left air flue of valve body is connected with the intake pipe, the right air flue is connected with the regulation and gives vent to anger and connects, be provided with the embedded groove corresponding with back air flue on the lateral wall of valve body, the manometer is connected and imbeds in the embedded groove with back air flue, the upper end threaded connection of valve body has the upper cover, open the bottom of upper airway has the intercommunication air flue that is. The utility model discloses a small-size night light manometer, manometer adopt half embedded structure to more directly perceived easy reading is shown at light than the ambient pressure that falls, and the manometer is difficult to collide with the damage under the complicated operational environment.
Description
Technical Field
The utility model relates to a pressure reducer field especially relates to a piston gas pressure reducer.
Background
A gas pressure reducer is a device for reducing pressure of high-pressure bottled gas.
All need install the manometer on the gas pressure reducer, in the use, the manometer damages of colliding with easily under complicated operational environment.
Disclosure of Invention
The utility model aims to solve the technical problem that a piston gas pressure reducer is provided, adopt small-size night light manometer, the manometer adopts half embedded structure to more directly perceived easy reading is shown at light than the ambient pressure that falls, and the manometer is difficult to collide with the damage under the complicated operational environment.
The utility model provides a technical scheme that its technical problem adopted is: the piston type gas pressure reducer comprises a valve body, an air inlet pipe and a pressure gauge, wherein an upper air passage, a rear air passage, a left air passage and a right air passage are formed in the valve body, the upper air passage is communicated with the rear air passage and the left air passage, the left air passage of the valve body is connected with the air inlet pipe, the right air passage is connected with an adjusting air outlet joint, an embedded groove corresponding to the rear air passage is formed in the side wall of the valve body, the pressure gauge is connected with the rear air passage and embedded into the embedded groove, an upper cover is connected with the upper end of the valve body in a threaded manner, a sealing piston is arranged in the upper cover in a vertical sliding manner, a piston rod with the lower end inserted into the upper air passage is vertically arranged at the lower end of the sealing piston in the middle, a pressure reducing spring with the upper end connected with the sealing piston and the lower end connected with the upper end surface of the valve body, and the bottom of the upper air passage is provided with a communicating air passage communicated with the right air passage.
Furthermore, the lower end face of the piston rod is embedded with a sealing gasket in the middle, and the sealing gasket blocks an air outlet hole at the bottom of the upper air passage.
Furthermore, a sealing ring is arranged on the outer side wall of the part of the piston rod, which is positioned in the upper air passage, and a sealing ring is arranged between the sealing piston and the inner wall of the upper cover.
Furthermore, a filter disc is installed at an air inlet at one end of the air inlet pipe.
Furthermore, any position of the side wall of the upper cover is provided with an exhaust hole.
The gas in the high-pressure gas bottle enters the left gas passage of the pressure reducer through the gas inlet pipe, the gas entering from the left gas passage directly enters the upper gas passage, the gas entering the upper gas passage pushes the sealing piston upwards, meanwhile, the gas in the upper gas passage enters the sealing cabin between the sealing piston and the upper cover through the gas hole in the piston rod, and the sealing cabin is filled with the gas and pushes the piston downwards to be balanced with the action of the gas in the upper gas passage and the force of the pressure stabilizing spring, so that the pressure reducing effect is realized;
at the moment, most of the gas in the inner cavity enters the right air passage through the communicating air passage 17, and the gas is adjusted to be discharged through the adjusting gas outlet joint;
if the adjusting valve rod for adjusting the air outlet connector is screwed, the air outlet quantity of the air outlet connector can be adjusted, so that the balance of output air pressure is realized, and the larger the adjusting valve rod is opened, the larger the air outlet quantity is.
The pressure gauge on the rear air duct can test the air pressure of the inlet air.
When the sealing ring is damaged, gas can be automatically discharged from the exhaust hole 7 on the side surface of the upper cover, and the safe use of the pressure reducer is ensured.
Advantageous effects
The utility model relates to an electrical heating carbon dioxide gas pressure reducer, the appearance is pleasing to the eye, and compact structure is reasonable, and visor simple to operate has temperature detect switch, can be according to the operating condition of the temperature control heating plate of setting for, and the heating plate is fixed firm moreover, and heating performance is good.
Drawings
FIG. 1 is a front view of the structure of a half-section of the present invention;
FIG. 2 is a side view of the structure of the half-section of the present invention;
fig. 3 is a partial top view of the present invention;
fig. 4 is a top half-section structure view of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
As shown in figures 1-4, the utility model discloses an embodiment relates to a piston gas pressure reducer, including valve body 1, intake pipe 2 and manometer 13, valve body 1 on open and to have last air flue 9, back air flue 11, left air flue 10 and right air flue 8, last air flue 9 and back air flue 11 and left air flue 10 communicate with each other, left air flue 10 of valve body 1 be connected with intake pipe 2, right air flue 8 is connected with the regulation and gives vent to anger and connects 15, the lateral wall of valve body 1 on be provided with the embedded groove 14 corresponding with back air flue 11, manometer 13 be connected with back air flue 11 and imbed in embedded groove 14, the upper end threaded connection of valve body 1 have upper cover 3, upper cover 3 inside sliding arrangement has sealing piston 4 from top to bottom, this sealing piston 4's lower extreme vertical arrangement has the piston rod 6 that the lower extreme inserted in last air flue 9 between two parties, the outside cover of piston rod 6 have the upper end to link to each other with sealing piston 4, The lower end of the pressure reducing spring 5 is connected with the upper end face of the valve body 1, a pressure reducing air passage 12 communicated with the top of the sealing piston 4 and the side wall of the piston rod 6 is arranged in the piston rod 6, and a communicating air passage 17 communicated with the right air passage 8 is formed in the bottom of the upper air passage 9.
The lower end surface of the piston rod 6 is embedded with a gasket 16 in the middle, and the gasket 16 blocks an air outlet at the bottom of the upper air passage 9.
The outer side wall of the part of the piston rod 6 positioned in the upper air passage 9 is provided with a sealing ring, and the sealing ring is arranged between the sealing piston 4 and the inner wall of the upper cover 3.
And a filter disc is arranged at the air inlet at one end of the air inlet pipe 2.
And an exhaust hole 7 is arranged at any position of the side wall of the upper cover 3.
The gas in the high-pressure gas cylinder enters a left gas passage 10 of the pressure reducer through a gas inlet pipe 2, the gas entering from the left gas passage 10 directly enters an upper gas passage 9, the gas entering the upper gas passage 9 pushes a sealing piston 4 upwards, meanwhile, the gas in the upper gas passage 9 enters a sealing cabin between the sealing piston 4 and an upper cover 3 through a gas hole in a piston rod 6, the sealing cabin is filled with the gas and then pushes the piston downwards, the action of the gas in the upper gas passage and the force of a pressure stabilizing spring are balanced, and the pressure reducing effect is realized;
at the moment, most of the gas in the inner cavity enters the right air passage 8 through the communicating air passage 17, and the gas is adjusted and discharged through the adjusting gas outlet joint 15;
if the adjusting valve rod of the air outlet connector 15 is screwed, the air outlet quantity of the air outlet connector can be adjusted, so that the balance of output air pressure is realized, and the larger the adjusting valve rod is, the larger the air outlet quantity is.
The pressure gauge 13 on the rear air duct 11 can test the pressure of the intake air.
When the sealing ring is damaged, gas can be automatically discharged from the exhaust hole 7 on the side surface of the upper cover, and the safe use of the pressure reducer is ensured.
The utility model discloses the appearance is pleasing to the eye, and compact structure is reasonable, and visor simple to operate has temperature detect switch, can be according to the operating condition of the temperature control heating plate of setting for, and the heating plate is fixed firm moreover, and heating performance is good.
Claims (5)
1. The utility model provides a piston gas pressure reducer, includes valve body (1), intake pipe (2) and manometer (13), its characterized in that, valve body (1) on open and to have last air flue (9), back air flue (11), left air flue (10) and right air flue (8), last air flue (9) and back air flue (11) and left air flue (10) communicate with each other, left air flue (10) of valve body (1) be connected with intake pipe (2), right air flue (8) are connected with adjusts joint (15) of giving vent to anger, the lateral wall of valve body (1) on be provided with embedded groove (14) corresponding with back air flue (11), manometer (13) be connected with back air flue (11) and imbed in embedded groove (14), the upper end threaded connection of valve body (1) have upper cover (3), upper cover (3) inside sliding arrangement has sealed piston (4) from top to bottom, the lower end of the sealing piston (4) is vertically arranged in the middle to form a piston rod (6) with the lower end inserted into the upper air passage (9), the outer side of the piston rod (6) is sleeved with a pressure reducing spring (5) with the upper end connected with the sealing piston (4) and the lower end connected with the upper end face of the valve body (1), the inside of the piston rod (6) is provided with a pressure reducing air passage (12) communicated with the top of the sealing piston (4) and the side wall of the piston rod (6), and the bottom of the upper air passage (9) is provided with a communicating air passage (17) communicated with the right air passage (8).
2. The piston-type gas pressure reducer according to claim 1, characterized in that: the lower end face of the piston rod (6) is embedded with a sealing gasket (16) in the middle, and the sealing gasket (16) blocks an air outlet at the bottom of the upper air channel (9).
3. The piston-type gas pressure reducer according to claim 1, characterized in that: the outer side wall of the part of the piston rod (6) located in the upper air passage (9) is provided with a sealing ring, and the sealing ring is arranged between the sealing piston (4) and the inner wall of the upper cover (3).
4. The piston-type gas pressure reducer according to claim 1, characterized in that: and a filter disc is arranged at an air inlet at one end of the air inlet pipe (2).
5. The piston-type gas pressure reducer according to claim 1, characterized in that: and an exhaust hole (7) is arranged at any position of the side wall of the upper cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921142754.5U CN211501773U (en) | 2019-07-20 | 2019-07-20 | Piston type gas pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921142754.5U CN211501773U (en) | 2019-07-20 | 2019-07-20 | Piston type gas pressure reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501773U true CN211501773U (en) | 2020-09-15 |
Family
ID=72393685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921142754.5U Active CN211501773U (en) | 2019-07-20 | 2019-07-20 | Piston type gas pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501773U (en) |
-
2019
- 2019-07-20 CN CN201921142754.5U patent/CN211501773U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103542150A (en) | Pressure reducing valve with valve closing function | |
| CN201487227U (en) | Direct-acting gas pressure regulator with self safety stop valve | |
| CN211501773U (en) | Piston type gas pressure reducer | |
| CN2869505Y (en) | Safety protecting device for gas pressure regulator | |
| CN203686277U (en) | Safety relief valve | |
| CN201196340Y (en) | Gas pressure regulator | |
| CN110260008B (en) | Gas regulating valve | |
| CN202266695U (en) | Pneumatic diaphragm valve structure | |
| CN209454035U (en) | A kind of mold and control pressurer system | |
| CN201196339Y (en) | Valve rod balancing mechanism of gas pressure regulator | |
| CN202674423U (en) | Micro-pressure relief valve | |
| WO2008017259A1 (en) | A gas control valve | |
| CN207161767U (en) | Safety valves for gas | |
| CN211259839U (en) | Electrical heating carbon dioxide gas pressure reducer | |
| CN204042108U (en) | Low temperature cylinder pressure maintaining valve | |
| CN209553348U (en) | A kind of Novel sucker group | |
| CN206816881U (en) | Air-conditioning equipment, handpiece Water Chilling Units and its non-return structure | |
| CN206846011U (en) | A kind of gas pressure reducer | |
| CN206221094U (en) | The second depressurized device of natural gas used for automobile EFI pressure reducer | |
| CN101266023A (en) | Gas pressure regulator | |
| CN205745360U (en) | A kind of hydrogen regulator | |
| CN207018163U (en) | A kind of lateral lid for air compressor | |
| CN208816786U (en) | A kind of shatter-resistant gas pressure reducer | |
| CN209370504U (en) | Intake valve | |
| CN206280582U (en) | A kind of source of the gas selector valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |