CN2295084Y - Gas pressure regulator - Google Patents
Gas pressure regulator Download PDFInfo
- Publication number
- CN2295084Y CN2295084Y CN 97201684 CN97201684U CN2295084Y CN 2295084 Y CN2295084 Y CN 2295084Y CN 97201684 CN97201684 CN 97201684 CN 97201684 U CN97201684 U CN 97201684U CN 2295084 Y CN2295084 Y CN 2295084Y
- Authority
- CN
- China
- Prior art keywords
- lever
- shell body
- hinged
- major joint
- lower shell
- 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 an involucra-lever type gas pressure regulator which is composed of a main joint (1), an upper housing (3) and a lower housing (2). The utility model replaces an original single lever by a double lever structure, and a connecting rod (20) on a tray is connected with the head of a first stage lever (8); the tail of the first stage lever (8) is hinged on the lower housing (2) to serve as a fulcrum (10), and the middle part is hinged on the tail of a second stage lever (12); the head of the second stage lever (12) is connected with a valve (14), and the middle part is hinged on the lower housing (2) to serve as a fulcrum (13). The structure can make the connection of the lower housing and the main joint realize centre shaft symmetry, and the utility model can adopt screwed connection which is more convenient and reliable. The utility model has the advantages of convenient installation and maintenance.
Description
The utility model relates to a kind of gas pressure regulator that is used for gas transmission and distribution system or other similar working condition, particularly a kind of lever-epithelium formula gas pressure regulator, governor that belongs to direct acting type.
Existing lever-epithelium formula gas pressure regulator, governor is generally by major joint and upper shell, lower shell body constitutes, major joint includes air-inlet cavity, outlet chamber and the valve port that is communicated with the two, on, lower shell body is laminated with relatively and is divided into two chambers up and down by epithelium-pallet, in upper chamber, support epithelium-pallet by a spring, on the lower chambers pallet, be connected with a connecting rod, connecting rod then connects an end of lever again, the other end of lever then connects the valve that passes through lower shell body and its end face aligning major joint valve port, the fulcrum of lever is the position in the middle, described lower chambers is communicated with by signal tube with described major joint outlet chamber, the air pressure size variation of major joint outlet chamber is delivered to lower chambers by signal tube like this, cause that epithelium-pallet moves up and down, connecting rod is moved up or down, then motion downward or upward of the valve of its other end under leverage, so aperture that just can corresponding adjusting valve port, thereby reach the purpose that adjusts atmospheric pressure.Patent No. 87210878.X " monitor-type gas pressure regulator, governor ", the patent No. 89203327.4 " two automatic cutting type gas pressure regulator, governor " and the patent No. 91203540.4 " monitor-type gas pressure regulator, governor ", be this structure, its major defect is owing to adopt single lever, certainly will make the connecting rod and the valve that are in the lever two ends respectively can not be on same axis, axisymmetric was connected during the lower shell body of pressure governor and major joint just can not be made like this, be generally rectilinear now or the eccentric structure, so the pressure governor volume is very big, the lower shell body profile is non-axisymmetric, so a directionality problem is just arranged during assembling, so generally can not adopt and easy be threaded and adopt other Placements such as flange-bolt, so just not only cause the processing technology complexity, and the big installation of volume does not make, dismounting and maintenance also relatively bother, the structure of signal tube is also unreasonable in addition, and inconvenience not only make to be installed, and comes off easily or cause fault such as leakage.
The purpose of this utility model is with regard to the defective that is to exist at above-mentioned prior art and the gas pressure regulator, governor that provides a kind of lower shell body that can realize pressure governor to be connected with axisymmetric in the major joint to society.
The purpose of this utility model is achieved in that gas pressure regulator, governor is still by major joint and upper shell, lower shell body constitutes, major joint includes air-inlet cavity, outlet chamber and the valve port that is communicated with the two, on, lower shell body is laminated with relatively and is divided into two chambers up and down by epithelium-pallet, in upper chamber, support epithelium-pallet by a spring, on the lower chambers pallet, be connected with a connecting rod, the two ends up and down of valve are stretched into respectively in lower shell body and the major joint, and the valve port of major joint is aimed in its lower end surface, its specialization is to substitute original simple lever with a pair of lever construction, described connecting rod connects the head of one-level lever, the afterbody of one-level lever is hinged on the lower shell body as fulcrum (10), the afterbody of the hinged second lever of its medium position, the head of second lever connects valve, its middle part is hinged on the lower shell body as fulcrum, so described connecting rod and valve just can move up and down at same axis.
Described lower chambers can also directly not bored on wall separately by signal tube with described major joint outlet chamber and is connected with telltale hole.
Compared with prior art, the utility model is through the transmission of one-level lever, second lever, the moving direction that makes the valve moving direction of pressure governor and epithelium-pallet, connecting rod is on same axis, thereby valve can be arranged on the center portion of lower shell body, make lower shell body and being connected of major joint be achieved middle axisymmetric, directionality problem in the time of needn't considering to assemble, and can adopt and more conveniently be threaded reliably, installation and maintenance are also convenient; Adopt telltale hole to replace air pressure in addition and gather signal tube, solved the complex process and the leakage problem of external signal pipe, avoided interior signal tube difficulty to be installed and fault such as come off.
Description of drawings:
Fig. 1 is a structure cross-sectional schematic of the present utility model.
Lever view when Fig. 2 is higher than setting pressure for major joint goes out atmospheric pressure.
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, gas pressure regulator, governor is made of major joint (1) and upper shell (3), lower shell body (2), major joint (1) includes air-inlet cavity I, outlet chamber II and is communicated with the valve port (15) of the two, and major joint (1) and lower shell body (2) be for being threaded, and by seal ring (16), (19) sealing; Major joint among the figure (1) has two interfaces up and down, empty interface the pressure governor identical with structure among the figure can be installed, so that this pressure governor becomes the monitoring type pressure governor, limiting pressure closing valve also can be installed becomes the cut-off type pressure governor, other accessory or directly seal this hole and also can as general pressure governor of can also packing into.
Upper shell (3) is relative with lower shell body (2) to be laminated with and by connecting with screw (11), and be divided into up and down two chambers by epithelium (6)-pallet (7), in upper chamber, epithelium (6)-pallet (7) is supported on by a spring (4) and regulates on the cap (5), in lower chambers, be connected with a vertical connecting rod (20) on the pallet (7), connecting rod (20) connects the head of one-level lever (8), the afterbody of one-level lever (8) is hinged on lower shell body (2) and goes up as fulcrum (10), its medium position then passes through the afterbody of the hinged second lever of connecting plate (9) (12), the two ends up and down of valve (14) are stretched into respectively in lower shell body (2) and major joint (1) the outlet chamber II, and the valve port (15) of major joint is aimed in its lower end surface, the head of second lever (12) promptly connects valve (14), and its middle part is hinged on lower shell body (2) and goes up as fulcrum (13); By described one-level lever (8), second lever (12), described connecting rod (20) and valve (14) just can move up and down at same axis;
Described lower chambers and described major joint outlet chamber II (being preferably near near the air outlet) are communicated with by telltale hole (17), (18) of being bored on the wall separately, the variation of the air pressure signal of major joint outlet chamber II is delivered to lower chambers by telltale hole (17), (18) like this, cause that epithelium (6)-pallet (7) moves up and down, and moves connecting rod (20) up or down.
Described second lever (12) also can directly not be hinged on the middle part of one-level lever (8) by connecting plate (9).
The structure of described one-level lever (8), second lever (12) also can symmetry be exchanged, the afterbody that is second lever (12) is hinged on the lower shell body (2) as fulcrum, and the fulcrum of one-level lever (8) moves to the middle part, originally is hinged on the middle part of second lever (12) as the afterbody of fulcrum.
Working principle of the present utility model is as follows: combustion gas enters from major joint (1) air-inlet cavity I, through entering outlet chamber II behind valve port (15) expenditure and pressure, the pressure of outlet chamber II can be set up by spring (4) by regulating cap (5) in advance, when pressure that this pressure is set up greater than spring (4), epithelium (6)-pallet (7) moves upward, connecting rod (20) moves upward, so one-level lever (8) just drives second lever (12) afterbody hinged with it and moves upward, the head of second lever (12) promptly promotes valve (14) and moves to valve port (15), valve port (15) aperture is reduced, even close fully, with control outlet chamber II pressure is the set pressure value, referring to Fig. 2; When pressure that the pressure of outlet chamber II is set up less than spring (4), this moment working method with above-mentioned just in time opposite, epithelium (6)-pallet (7) moves downward, the increase of valve port (15) aperture shown in Figure 1ly is this state; So just can reach the purpose that adjusts atmospheric pressure repeatedly.
Claims (4)
1. gas pressure regulator, governor, by major joint (1) and upper shell (3), lower shell body (2) constitutes, major joint (1) includes air-inlet cavity I, outlet chamber II and the valve port (15) that is communicated with the two, on, lower shell body (3) (2) is laminated with relatively and is divided into two chambers up and down by epithelium (6)-pallet (7), in upper chamber, support epithelium (6)-pallet (7) by a spring (4), on lower chambers pallet (7), be connected with a connecting rod (20), the two ends up and down of valve (14) are stretched into respectively in lower shell body (2) and major joint (1) the outlet chamber II, and the valve port (15) of major joint is aimed in its lower end surface, it is characterized in that described connecting rod (20) connects the head of one-level lever (8), the afterbody of one-level lever (8) is hinged on lower shell body (2) and goes up as fulcrum (10), the afterbody of the hinged second lever of its medium position (12), the head of second lever (12) connects valve (14), and its middle part is hinged on lower shell body (2) and goes up as fulcrum (13).
2. gas pressure regulator, governor as claimed in claim 1 is characterized in that described major joint (1) and lower shell body (2) are by being threaded.
3. gas pressure regulator, governor as claimed in claim 1 is characterized in that described lower chambers and described major joint outlet chamber II are connected by the telltale hole that is drilled on the wall separately.
4. gas pressure regulator, governor as claimed in claim 1 is characterized in that the afterbody of the middle part of described one-level lever (8) by the hinged second lever of connecting plate (9) (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201684 CN2295084Y (en) | 1997-03-11 | 1997-03-11 | Gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201684 CN2295084Y (en) | 1997-03-11 | 1997-03-11 | Gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2295084Y true CN2295084Y (en) | 1998-10-21 |
Family
ID=33923052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97201684 Expired - Fee Related CN2295084Y (en) | 1997-03-11 | 1997-03-11 | Gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2295084Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352988A (en) * | 2013-07-24 | 2013-10-16 | 上海航天能源股份有限公司 | Pressure regulator and valve element circle run-out detection device |
| CN105927783A (en) * | 2016-06-30 | 2016-09-07 | 重庆市山城燃气设备有限公司 | Self-cleaning pressure regulator |
| CN109185516A (en) * | 2018-11-08 | 2019-01-11 | 上海飞奥燃气设备有限公司 | A kind of lever gas pressure regulator, governor |
-
1997
- 1997-03-11 CN CN 97201684 patent/CN2295084Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352988A (en) * | 2013-07-24 | 2013-10-16 | 上海航天能源股份有限公司 | Pressure regulator and valve element circle run-out detection device |
| CN105927783A (en) * | 2016-06-30 | 2016-09-07 | 重庆市山城燃气设备有限公司 | Self-cleaning pressure regulator |
| CN109185516A (en) * | 2018-11-08 | 2019-01-11 | 上海飞奥燃气设备有限公司 | A kind of lever gas pressure regulator, governor |
| CN109185516B (en) * | 2018-11-08 | 2023-09-22 | 上海飞奥燃气设备有限公司 | Lever type gas pressure regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |