CN201651473U - Double-diaphragm indoor pressure regulator - Google Patents
Double-diaphragm indoor pressure regulator Download PDFInfo
- Publication number
- CN201651473U CN201651473U CN2010201143387U CN201020114338U CN201651473U CN 201651473 U CN201651473 U CN 201651473U CN 2010201143387 U CN2010201143387 U CN 2010201143387U CN 201020114338 U CN201020114338 U CN 201020114338U CN 201651473 U CN201651473 U CN 201651473U
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- diaphragm
- valve
- pressure
- pressure regulator
- gas
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- 230000000295 complement effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 16
- 230000003068 static effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of a gas transmission and distribution device and discloses a double-diaphragm indoor pressure regulator. The main technical characteristics thereof are as follows: the double-diaphragm indoor pressure regulator comprises a gas inlet, a gas outlet and a shell of a valve seat, wherein the shell is internally provided with an upper diaphragm; the upper part of the upper diaphragm is provided with a pallet, a pressure regulating spring, an adjusting rod and an adjusting nut, wherein the lower part of the upper diaphragm is provided with a valve rod which is connected with the pallet; the bottom end of the valve rod provided with a movable valve matched with the valve seat; and the shell is internally provided with a lower diaphragm which is connected with the valve rod. As the lower diaphragm and the movable valve form the balance, the double-diaphragm indoor pressure regulator provided by the utility model leads the force which is applied on the movable valve by the pressure of the gas inlet to be offset by the lower diaphragm, reduces the influence of the pressure of the gas inlet on the pressure adjusting performance of a gas pressure regulator, and improves the stability and communication capability of the gas pressure regulator.
Description
Technical field
The utility model belongs to the gas transmission and distribution equipment technical field, relates in particular to a kind of pair of indoor pressure governor of film.
Background technique
Gas pressure regulator, governor is to be specially adapted in the gas transmission and distribution system being widely used in the gas transmission and distribution engineering as the combustion gas voltage adjusting device of pressure regulation, voltage stabilizing.Its effect is to regulate gas outlet pressure automatically, makes it be stabilized in a certain pressure range, satisfies the force value of customer requirements, satisfies usage requirement.The gas pressure regulator, governor of current use, its structure comprises the housing that has suction port, air outlet and valve seat, be provided with upper diaphragm in the housing, upper diaphragm top is provided with pallet, pressure adjusting spring, adjustable lever and adjusting nut, the upper diaphragm bottom is provided with the valve rod that is connected with pallet, and the valve rod bottom is provided with the valve alive that is complementary with valve seat.Pressure governor is when proper functioning, and air outlet pressure acts on the power of upper diaphragm bottom surface and power that pressure adjusting spring acts on the upper diaphragm end face reaches balance, and valve rod is static, and valve port is in normal open mode.When air outlet pressure raises, when the power that air outlet pressure acts on the upper diaphragm bottom surface acts on the power of upper diaphragm end face greater than pressure adjusting spring, upper diaphragm drives pallet and moves up, pallet moves up and drives valve rod and move up, valve rod drives the valve of living and moves up, the valve port of valve alive and valve base chamber reduces, and makes air outlet pressure reduce to recover normal value, thereby keeps normal air feed.When air outlet pressure reduces, when the power that air outlet pressure acts on the upper diaphragm bottom surface acts on the power of upper diaphragm end face less than pressure adjusting spring, upper diaphragm drives pallet and moves down, pallet moves down the drive valve rod and moves down, valve rod drives the valve of living and moves down, the valve port of valve alive and valve base chamber increases, and air outlet pressure is increased recover normal value, thereby keep normal air feed.The gas pressure regulator, governor of this structure, suction port pressure also act directly on the valve alive, and the pressure regulating performance generation certain influence to gas pressure regulator, governor has reduced gas pressure regulator, governor stability, influences the gas pressure regulator, governor negotiability.
The model utility content
Problem to be solved in the utility model just provides a kind of energy balance suction port act on the pressure on the valve alive, the indoor pressure governor of two films that pressure regulating performance is stable, negotiability is strong.
For addressing the above problem, the technical solution adopted in the utility model is: comprise the housing that has suction port, air outlet and valve seat, be provided with upper diaphragm in the housing, upper diaphragm top is provided with pallet, pressure adjusting spring, adjustable lever and adjusting nut, the upper diaphragm bottom is provided with the valve rod that is connected with pallet, the valve rod bottom is provided with the valve alive that is complementary with valve seat, is provided with the following diaphragm that is connected with valve rod in the described housing.
During the indoor pressure governor proper functioning of a kind of pair of film provided by the utility model, pressure adjusting spring and suction port pressure act on down diaphragm and the valve of living on power and the air outlet pressure power that acts on upper diaphragm reach balance, valve rod is static, valve port is in normal open mode.When reducing to make air outlet pressure, flow raises, the power that air outlet pressure acts on upper diaphragm strengthens, upper diaphragm drives the pallet compression pressure adjusting spring that moves up, pallet moves up and drives valve rod and move up, the diaphragm and the valve of living moved up under valve rod drove, and the valve port of live valve and valve base chamber reduces, and reduces gas throughput, make air outlet pressure reduce to recover normal value, thereby keep normal air feed.When reducing to make air outlet pressure, reduces flow, the power that air outlet pressure acts on upper diaphragm reduces, upper diaphragm drives pallet and moves down, the pressure adjusting spring bullet is stretched, and pallet moves down the drive valve rod and moves down, and the diaphragm and the valve of living moved down under valve rod drove, the valve port of valve alive and valve base chamber strengthens, increase gas throughput, air outlet pressure is strengthened recover normal value, thereby keep normal air feed.In the said process, the following diaphragm and the valve of living form balance, and the power that suction port pressure is acted on the valve alive is balanced by diaphragm down, has reduced the influence of suction port pressure to the gas pressure regulator, governor pressure regulating performance, has improved gas pressure regulator, governor stability and negotiability.
Description of drawings
Accompanying drawing is the structural representation of a kind of pair of indoor pressure governor of film of the utility model.
Embodiment
Be described in further details below in conjunction with the structure and the working principle of the drawings and specific embodiments a kind of pair of indoor pressure governor of film of the utility model.
As shown in the figure, the indoor pressure governor of a kind of pair of film of the utility model comprises housing 1, housing 1 has suction port 2, air outlet 3, be provided with valve seat 4, upper diaphragm 5 in the housing 1, upper diaphragm 5 tops are provided with pallet 6, pressure adjusting spring 7, adjustable lever 8 and adjusting nut 9, upper diaphragm 5 bottoms are provided with the valve rod 10 that is connected with pallet 6, and valve rod 10 bottoms are provided with the valve alive 11 that is complementary with valve seat 4, and housing 1 is provided with the following diaphragm 12 that is connected with valve rod 10.
During the indoor pressure governor proper functioning of a kind of pair of film provided by the utility model, pressure adjusting spring 7 and suction port 2 pressure act on down diaphragm 12 and the valve 11 of living on power and the air outlet 3 pressure power that acts on upper diaphragm 5 reach balance, valve rod 10 is static, and valve port is in normal open mode.When reducing to make air outlet 3 pressure, flow raises, the power that air outlet 3 pressure act on upper diaphragm 5 strengthens, upper diaphragm 5 drive pallets 6 move up and compress pressure adjusting spring 7, pallet 6 moves up and drives valve rod 10 and move up, the diaphragm 12 and the valve 11 of living moved up under valve rod 10 drove, and the valve port that valve 11 alive and valve seat are 4 reduces, and reduces gas throughput, make air outlet 3 pressure reduce to recover normal value, thereby keep normal air feed.When reducing to make air outlet 3 pressure, reduces flow, the power that air outlet 3 pressure act on upper diaphragm 5 reduces, upper diaphragm 5 drives pallet 6 and moves down, pressure adjusting spring 7 bullets are stretched, and pallet 6 moves down drive valve rod 10 and moves down, and the diaphragm 12 and the valve 11 of living moved down under valve rod 10 drove, the valve port that valve 11 alive and valve seat are 4 strengthens, increase gas throughput, air outlet 3 pressure are strengthened recover normal value, thereby keep normal air feed.
Claims (1)
1. two indoor pressure governor of film, comprise the housing that has suction port, air outlet and valve seat, be provided with upper diaphragm in the housing, upper diaphragm top is provided with pallet, pressure adjusting spring, adjustable lever and adjusting nut, the upper diaphragm bottom is provided with the valve rod that is connected with pallet, the valve rod bottom is provided with the valve alive that is complementary with valve seat, it is characterized in that: be provided with the following diaphragm that is connected with valve rod in the described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201143387U CN201651473U (en) | 2010-02-09 | 2010-02-09 | Double-diaphragm indoor pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201143387U CN201651473U (en) | 2010-02-09 | 2010-02-09 | Double-diaphragm indoor pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651473U true CN201651473U (en) | 2010-11-24 |
Family
ID=43116712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201143387U Expired - Lifetime CN201651473U (en) | 2010-02-09 | 2010-02-09 | Double-diaphragm indoor pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840366A (en) * | 2012-09-17 | 2012-12-26 | 大连派思燃气系统股份有限公司 | Erosive wear-proof gas pressure regulator |
| CN102966742A (en) * | 2012-11-16 | 2013-03-13 | 广州市精鼎电器科技有限公司 | Flow-limiting fuel gas proportional valve |
| CN108087599A (en) * | 2017-12-07 | 2018-05-29 | 宁波金欧五金制品有限公司 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
-
2010
- 2010-02-09 CN CN2010201143387U patent/CN201651473U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840366A (en) * | 2012-09-17 | 2012-12-26 | 大连派思燃气系统股份有限公司 | Erosive wear-proof gas pressure regulator |
| CN102966742A (en) * | 2012-11-16 | 2013-03-13 | 广州市精鼎电器科技有限公司 | Flow-limiting fuel gas proportional valve |
| CN102966742B (en) * | 2012-11-16 | 2014-08-20 | 广州市精鼎电器科技有限公司 | Flow-limiting fuel gas proportional valve |
| CN108087599A (en) * | 2017-12-07 | 2018-05-29 | 宁波金欧五金制品有限公司 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei rising voltage regulator Co., Ltd. Assignor: Gu Hongjun Contract record no.: 2011130000110 Denomination of utility model: Double-diaphragm indoor pressure regulator Granted publication date: 20101124 License type: Exclusive License Record date: 20110805 |
|
| ASS | Succession or assignment of patent right |
Owner name: HEBEI RUIXING GAS EQUIPMENT CO., LTD. Free format text: FORMER OWNER: GU HONGJUN Effective date: 20150723 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150723 Address after: 053100 north side of Industrial Street, Zaoqiang County, Hebei, Hengshui Patentee after: Hebei rising gas equipment Limited by Share Ltd Address before: 053100 Shengli County, Zaoqiang County, Hengshui City, Hebei province Hebei rising voltage regulator Co., Ltd. Patentee before: Gu Hongjun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |