CN208252866U - A kind of pressure reduction structure of gas pressure reducer - Google Patents
A kind of pressure reduction structure of gas pressure reducer Download PDFInfo
- Publication number
- CN208252866U CN208252866U CN201820758395.5U CN201820758395U CN208252866U CN 208252866 U CN208252866 U CN 208252866U CN 201820758395 U CN201820758395 U CN 201820758395U CN 208252866 U CN208252866 U CN 208252866U
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- CN
- China
- Prior art keywords
- mandril
- valve body
- air flue
- decompression
- outlet
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of pressure reduction structures of gas pressure reducer, including valve body, one end of the valve body, which is provided with air flue between two parties and is provided with one end of air flue, is equipped with upper cover, outlet nut is installed in the air flue, it is passed through from bottom to top in outlet passageway in the middle part of the outlet nut and is disposed with the decompression mandril slided up and down, the lower end of the outlet passageway is disposed with the gasket being embedded into outlet nut, balancing spring is connected between one end and air flue bottom of the decompression mandril, the mandril of one middle side part of diaphragm seal of oscilaltion is withstood in the other end and valve body of the decompression mandril, the upper end of the diaphragm seal is equipped with the relief spring withstood with valve body inside top between two parties, the bottom of the air flue is connected with the intracorporal air inlet air flue of valve.The utility model structure is compact small in size, easy to carry, and crash resistance is good, easy to adjust, can be by outlet air pressure adjustment in the range of requiring.
Description
Technical field
The utility model relates to pressure reducer fields, more particularly to a kind of pressure reduction structure of gas pressure reducer.
Background technique
Traditional pressure reduction structure in gas pressure reducer causes the volume of pressure reducer that will necessarily do due to the defect in design
It is bigger, and pressure reducer use when, since the upper end radius of oxygen cylinder is smaller, and the length of pressure reducer often surpasses
The radius of oxygen cylinder has been crossed, has been easy to damage when oxygen cylinder is fallen down in this way, so internal pressure reduction structure must be improved
To reduce the volume of pressure reducer.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of pressure reduction structure of gas pressure reducer, structure is tighter
Gather small in size, easy to carry, crash resistance is good, easy to adjust, can will outlet air pressure adjustment in the range of requiring.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of decompression knot of gas pressure reducer
Structure, including valve body, one end of the valve body, which is provided with air flue between two parties and is provided with one end of air flue, is equipped with upper cover, the air flue
Outlet nut is inside installed, is passed through from bottom to top in the outlet passageway in the middle part of the outlet nut and is disposed with subtracting of sliding up and down
Bear down on one bar, and the lower end of the outlet passageway is disposed with the gasket being embedded into outlet nut, one end of the decompression mandril with
Balancing spring is connected between air flue bottom, the diaphragm seal side of oscilaltion in the other end and valve body of the decompression mandril
The mandril at middle part is withstood, and the upper end of the diaphragm seal is equipped with the relief spring withstood with valve body inside top between two parties, described
The bottom of air flue be connected with the intracorporal air inlet air flue of valve.
Further, the air flue is passed through by coaxially arranged up and down epithelium healing and downtake, the outlet nut
Threaded connection is arranged in epithelium healing, and the decompression mandril, which is arranged in downtake, to be slided up and down.
Further, the decompression mandril includes lower prop and top mandril, and the lower prop is placed in downtake
And between the two there are the gap for sliding, the top mandril is inserted into outlet passageway.
Further, the bottom of the epithelium healing is disposed with the sealing ring withstood with outlet nut lower end.
Further, the lower prop of the decompression mandril has been centrally arranged vertical air passage, the vertical ventilation
The upper end in road is disposed with horizontal communication road.
Further, the upper cover inside top is disposed with locating shim, the upper end of the relief spring and positioning
Gasket is withstood, and lower end is withstood with diaphragm seal.
Further, stop screw is installed on the side wall of the upper cover, one end of the stop screw and valve body
It is resisted below one screw thread of side wall the lowermost to prevent upper cover and valve body to be detached from.
Gas in high pressure gas cylinder enters in valve body, enters in air flue from air inlet air flue；
In the state of holding one's breath, upper cover is not tightened with valve body completely, the upper end of upper cover and the root of valve body threaded upper ends
There are a distances in portion, and the mandril of diaphragm seal side does not push up mutually with decompression mandril at this time, subtracts under the action of balancing spring at this time
The bar that bears down on one be located at it is upper, gasket blocks outlet passageway, thus cannot achieve exhaust.
In the state of outlet, upper cover twists axial movement along valve body, and upper cover pushes locating shim down, locating shim
Push relief spring down, relief spring pushes diaphragm seal toward decline again, and the mandril of diaphragm seal side is pressed down mandril is depressurized
Under, such gasket is just separated with top mandril, and outlet passageway is opened, and can pass through outlet from the gas that air flue comes out in this way
Channel enters in the inner cavity between diaphragm seal and valve body.
Gas after the decompression of balancing spring and relief spring is passed into escape pipe discharge from the air flue of valve inner.
Upper cover is twisted more down, and gasket and decompression mandril separating distance are bigger, and gas output is bigger, and user can
It is very convenient to be adjusted according to the requirement of oneself.
Beneficial effect
The utility model relates to a kind of pressure reduction structures of gas pressure reducer, can reduce the volume of pressure reducer, easy to carry,
Crash resistance is good, easy to adjust, can be by outlet air pressure adjustment in the range of requiring.
Detailed description of the invention
Fig. 1 is the half-sectional structure chart of main view of the utility model；
Fig. 2 is amplification assumption diagram at the A of Fig. 1.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
As shown in Figs. 1-2, the embodiments of the present invention is related to a kind of pressure reduction structure of gas pressure reducer, including valve body
1, one end of the valve body 1, which is provided with air flue 11 between two parties and is provided with one end of air flue 11, is equipped with upper cover 2, in the air flue 11
Outlet nut 4 is installed, passes through in the outlet passageway 18 at 4 middle part of outlet nut to be disposed with from bottom to top and slides up and down
Mandril 8 is depressurized, the lower end of the outlet passageway 18 is disposed with the gasket 12 being embedded into outlet nut 4, the decompression mandril 8
11 bottom of one end and air flue between be connected with balancing spring 9, risen up and down in the other end and valve body 1 of the decompression mandril 8
The mandril 6 of 7 one middle side part of diaphragm seal of drop is withstood, and the upper end of the diaphragm seal 7 is equipped with and 1 inside top top of valve body between two parties
The bottom of relief spring 3 firmly, the air flue 11 is connected with the air inlet air flue 10 in valve body 1.
The air flue 11 passes through screw thread by coaxially arranged up and down epithelium healing and downtake 14, the outlet nut 4
Connection is arranged in epithelium healing, and the decompression mandril 8, which is arranged in downtake 14, to be slided up and down, and such structure to depressurize
Mandril 8 is slided up and down than smoothly.
The decompression mandril 8 includes lower prop and top mandril 17, and the lower prop is placed in downtake 14 and two
There are the gap for sliding between person, the top mandril 17 is inserted into outlet passageway 18.
The bottom of the epithelium healing is disposed with the sealing ring 15 withstood with 4 lower end of outlet nut.
The lower prop of the decompression mandril 8 has been centrally arranged vertical air passage 13, the vertical air passage 13
Upper end is disposed with horizontal communication road 16.
2 inside top of upper cover is disposed with locating shim 19, the upper end of the relief spring 3 and locating shim 19
Top, lower end are withstood with diaphragm seal 7.
Stop screw 5 is installed, the side wall of one end of the stop screw 5 and valve body 1 is most on the side wall of the upper cover 2
It is resisted below one screw thread of lower end to prevent upper cover 2 and valve body 1 to be detached from.
Gas in high pressure gas cylinder enters in valve body 1, enters in air flue 11 from air inlet air flue 10；
In the state of holding one's breath, upper cover 2 is not tightened with valve body 1 completely, the upper end of upper cover 2 and 1 threaded upper ends of valve body
Root there are a distance, at this time the mandril 6 of 7 side of diaphragm seal not with decompression 8 phase top of mandril, at this time in balancing spring 9
Decompression mandril 8 is located at upper under acting on, and gasket 12 blocks outlet passageway, thus cannot achieve exhaust.
In the state of outlet, upper cover 2 twists axial movement along valve body 1, and upper cover 2 pushes locating shim 19 down, fixed
Position gasket 19 pushes relief spring 3 down, and relief spring 3 pushes diaphragm seal 7 toward decline again, and the mandril 6 of 7 side of diaphragm seal will subtract
The bar 8 that bears down on one presses down down, and such gasket 12 is just separated with top mandril 17, and outlet passageway 18 is opened, and goes out in this way from air flue 11
The gas come can enter in the inner cavity between diaphragm seal 7 and valve body 1 by outlet passageway 18.
Gas after the decompression of balancing spring 9 and relief spring 3 is passed into escape pipe row from the air flue inside valve body 1
Out.
Upper cover is twisted more down, and gasket 12 is just bigger with decompression 8 separating distance of mandril, and gas output is bigger, makes
User can be adjusted according to the requirement of oneself, very convenient.
The utility model can reduce the volume of pressure reducer, easy to carry, and crash resistance is good, easy to adjust, can be by outlet
Air pressure adjustment is in the range of requiring.
Claims (7)
1. a kind of pressure reduction structure of gas pressure reducer, including valve body (1), which is characterized in that one end of the valve body (1) is placed in the middle
It is provided with air flue (11) and the one end for being provided with air flue (11) is equipped with upper cover (2), outlet nut is installed in the air flue (11)
(4), it is passed through from bottom to top in the outlet passageway (18) in the middle part of the outlet nut (4) and is disposed with the decompression mandril slided up and down
(8), the lower end of the outlet passageway (18) is disposed with the gasket (12) being embedded into outlet nut (4), the decompression mandril
(8) it is connected with balancing spring (9) between one end and air flue (11) bottom, the other end and valve body of the decompression mandril (8)
(1) mandril (6) of (7) one middle side part of diaphragm seal of interior oscilaltion is withstood, and the upper end of the diaphragm seal (7) is equipped between two parties
The relief spring (3) withstood with valve body (1) inside top, the bottom of the air flue (11) and the air inlet air flue in valve body (1)
(10) it is connected.
2. the pressure reduction structure of gas pressure reducer according to claim 1, it is characterised in that: the air flue (11) is by upper and lower
Coaxially arranged epithelium healing and downtake (14), the outlet nut (4), which is connected through a screw thread, to be arranged in epithelium healing, described
Decompression mandril (8) be arranged in downtake (14) and slide up and down.
3. the pressure reduction structure of gas pressure reducer according to claim 2, it is characterised in that: decompression mandril (8) packet
Lower prop and top mandril (17) are included, the lower prop is placed in downtake (14) and there are between sliding between the two
Gap, the top mandril (17) are inserted into outlet passageway (18).
4. the pressure reduction structure of gas pressure reducer according to claim 2, it is characterised in that: the bottom cloth of the epithelium healing
It is equipped with the sealing ring (15) withstood with outlet nut (4) lower end.
5. the pressure reduction structure of gas pressure reducer according to claim 3, it is characterised in that: the decompression mandril (8)
Lower prop has been centrally arranged vertical air passage (13), and the upper end of the vertical air passage (13) is disposed with horizontal communication road
(16)。
6. the pressure reduction structure of gas pressure reducer according to claim 3, it is characterised in that: described upper cover (2) medial roof
Portion is disposed with locating shim (19), and upper end and the locating shim (19) of the relief spring (3) are withstood, lower end and diaphragm seal
(7) it withstands.
7. the pressure reduction structure of gas pressure reducer according to claim 1, it is characterised in that: the side wall of the upper cover (2)
Under upper installation stop screw (5), one end of the stop screw (5) and one screw thread of side wall the lowermost of valve body (1)
Side is resisted to prevent upper cover (2) and valve body (1) to be detached from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820758395.5U CN208252866U (en) | 2018-05-21 | 2018-05-21 | A kind of pressure reduction structure of gas pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820758395.5U CN208252866U (en) | 2018-05-21 | 2018-05-21 | A kind of pressure reduction structure of gas pressure reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252866U true CN208252866U (en) | 2018-12-18 |
Family
ID=66480950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820758395.5U Expired - Fee Related CN208252866U (en) | 2018-05-21 | 2018-05-21 | A kind of pressure reduction structure of gas pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252866U (en) |
-
2018
- 2018-05-21 CN CN201820758395.5U patent/CN208252866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20210521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |