CN201273392Y - Balancing type adjustable pressure reducing valve for gas - Google Patents
Balancing type adjustable pressure reducing valve for gas Download PDFInfo
- Publication number
- CN201273392Y CN201273392Y CNU2008202003678U CN200820200367U CN201273392Y CN 201273392 Y CN201273392 Y CN 201273392Y CN U2008202003678 U CNU2008202003678 U CN U2008202003678U CN 200820200367 U CN200820200367 U CN 200820200367U CN 201273392 Y CN201273392 Y CN 201273392Y
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- main body
- high pressure
- needle
- shell
- nut
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Abstract
A balance type adjustable pressure-reducing valve for gas is characterized in that a valve core mechanism comprises a high-voltage main body, a nut and a sealing cushion are mounted on the top of a locating collar, a valve needle is located in the locating collar, the upper end is extended out of a valve needle hole which is arranged on the upper end of the high-voltage main body to be located in a pressure relief chamber through a central hole of the sealing cushion, the valve needle is engaged in gap with the valve needle hole, the nut fixes the locating collar in the high-voltage main body, the upper end of a high-voltage balanced spring is engaged with the valve needle, the lower end is engaged with a filtering screen arranged in a convex hole which is arranged above the nut, an air valve needle which is connected with a screw-thread of the high-voltage main body is arranged below the nut, a gland is mounted on the top of the valve needle and is engaged with a balanced membrane, an outer shell and an upper cover are made of plastic material to one-time mold, and the high-voltage main body is fixedly connected with the outer shell. Because the structure is employed, the upper cover and the outer shell are injection-molded by plastic material, the valve core mechanism is formed into an integrated body, the valve core mechanism is fixedly connected with the outer shell, compared with the prior art, the process is simple and the assembling efficiency is substantially enhanced.
Description
Technical field
The utility model relates to a kind of reduction valve, the adjustable reduction valve of especially a kind of balanced type.
Background technique
Present prior art, the adjustable pressure-reducing valve that a kind of gas is used comprise shell, the spool mechanism that loam cake, pressure-regulating device, balance diaphragm, metallic material that metallic material is made are made.Installation cavity, the pressure-releasing chamber of shell upper valve core mechanism, manometric mounting hole, air outlet hole are connected with pressure-releasing chamber; Pressure-regulating device is installed in the loam cake, and the balance diaphragm is installed on the interior ring platform of shell, and loam cake connects the fixed-site with the balance diaphragm with outer casing screw; Spool mechanism comprises setting sleeve, needle, gland, sealing gasket, high pressure balance spring, filter screen and plunger, and pressure-regulating device comprises knob, pressure regulation valve rod, low-pressure balance spring, spring seat, bearing disc.Existing problems are: loam cake, shell are made by metallic material, the processing technology complexity, and assembly efficiency is low.
Summary of the invention
The purpose of this utility model is: a kind of gas balanced type adjustable pressure-reducing valve is provided, and not only processing technology is simple for it, and the efficiency of assembling height.
The utility model is achieved in that a kind of gas balanced type adjustable pressure-reducing valve, comprises shell, loam cake, pressure-regulating device, balance diaphragm, spool mechanism, described shell have spool mechanism installation cavity, be communicated with pressure-releasing chamber with installation cavity; Pressure-releasing chamber and manometric mounting hole, air outlet hole is communicated with; Pressure-regulating device is installed in the loam cake, and the balance diaphragm is installed on the interior ring platform of shell, and loam cake connects the fixed-site with the balance diaphragm with outer casing screw; Spool mechanism comprises setting sleeve, needle, gland, sealing gasket, high pressure balance spring, filter screen and plunger, its special way is: described spool mechanism also comprises high pressure main body, nut, sealing gasket is installed in the top of setting sleeve, needle is positioned at setting sleeve, its upper end is through the center hole of sealing gasket, stretch out and be positioned at pressure-releasing chamber from the needle hole of the upper end of high pressure main body, needle cooperates with the needle interporal lacuna; Nut is fixed on setting sleeve in the high pressure main body, and high pressure balance spring upper end cooperates with needle, the interior filter screen of shrinkage pool cooperates above lower end and the nut; There are a plunger and high pressure main body scyewed joint in the nut below, and gland is installed in the needle top, and gland cooperates with the balance diaphragm, and shell, loam cake are made by the plastic materials once-through, and high pressure main body and shell are fixedly connected.
Described a kind of gas balanced type adjustable pressure-reducing valve, its special way is: shell is fixedly connected by molding and forming and high pressure main body.
A kind of gas balanced type adjustable pressure-reducing valve, its special way is: the shell molding and forming is made, and on the chamber wall of the installation cavity of spool mechanism internal thread is arranged, and on the high pressure main body outside thread is arranged, and high pressure main body and installation cavity are fixed by threaded connection.
A kind of gas of the utility model balanced type adjustable pressure-reducing valve, owing to adopt such structure, loam cake, shell are by the plastic materials molding and forming, spool mechanism is integral, and spool mechanism and shell are fixedly connected, compared with prior art, technology is simple, and efficiency of assembling significantly improves.
Description of drawings
Fig. 1 is a plan view of the present utility model.
Fig. 2 is A-A view of Fig. 1.
Fig. 3 is B-B view of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of gas balanced type adjustable pressure-reducing valve comprises shell 1, loam cake 2, pressure-regulating device 4, balance diaphragm 5, spool mechanism 7, and described shell 1 has the installation cavity 11 of spool mechanism, is communicated with pressure-releasing chamber 12 with installation cavity; Pressure gauge 9, pressure releasing device 10 are installed on the pressure-releasing chamber 12, outgoing gas connection tube 8 is installed on the air outlet hole; Pressure-regulating device 4 is installed in the loam cake 2, and balance diaphragm 6 is installed on the interior ring platform of shell 1, and loam cake 2 and the fixed-site of shell 1 scyewed joint with balance diaphragm 6 also have rubber cushion 5 between loam cake 2 and the balance diaphragm 6; Spool mechanism 7 comprises setting sleeve 73, needle 74, gland 72, sealing gasket 76, high pressure balance spring 77, filter screen 78 and plunger 79, described spool mechanism 7 also comprises high pressure main body 71, nut 75, sealing gasket 76 is installed in the top of setting sleeve 73, needle 74 is positioned at setting sleeve 73, its upper end is through the center hole of sealing gasket 76, stretch out and be positioned at pressure-releasing chamber 12 from the needle hole of the upper end of high pressure main body 71, needle 74 cooperates with the needle interporal lacuna; Nut 75 is fixed on setting sleeve 73 in the high pressure main body 71, and high pressure balance spring 77 upper ends cooperate with needle 73, the filter screen 78 in lower end and the nut 75 top shrinkage pools cooperates; There is a plunger 79 and high pressure main body 71 scyewed joint nut 75 belows, and gland 72 is installed in needle 73 tops, and gland 72 cooperates with balance diaphragm 6, and high pressure main body 71 is fixedly connected with shell 1.Outgassing groove 721 is arranged on the gland 72.There is air hole at the center of nut 75.
Pressure-regulating device 4 comprises that knob 3, pressure regulation valve rod 41, low-pressure balance spring 43, spring seat 42, bearing disc 44 constitute.
The utility model can also realize that like this shell 1 molding and forming is made, and on the chamber wall of the installation cavity of the spool mechanism 7 on the shell 1 internal thread is arranged, and on the high pressure main body 71 outside thread is arranged, and high pressure main body 71 is fixed by threaded connection with installation cavity.
Claims (3)
1, a kind of gas balanced type adjustable pressure-reducing valve comprises shell, loam cake, pressure-regulating device, balance diaphragm, spool mechanism, described shell have spool mechanism installation cavity, be communicated with pressure-releasing chamber with installation cavity; Pressure-releasing chamber and manometric mounting hole, air outlet hole is communicated with; Pressure-regulating device is installed in the loam cake, and the balance diaphragm is installed on the interior ring platform of shell, and loam cake connects the fixed-site with the balance diaphragm with outer casing screw; Spool mechanism comprises setting sleeve, needle, gland, sealing gasket, high pressure balance spring, filter screen and plunger, it is characterized in that: described spool mechanism also comprises high pressure main body, nut, sealing gasket is installed in the top of setting sleeve, needle is positioned at setting sleeve, its upper end is through the center hole of sealing gasket, stretch out and be positioned at pressure-releasing chamber from the needle hole of the upper end of high pressure main body, needle cooperates with the needle interporal lacuna; Nut is fixed on setting sleeve in the high pressure main body, and high pressure balance spring upper end cooperates with needle, the interior filter screen of shrinkage pool cooperates above lower end and the nut; There are a plunger and high pressure main body scyewed joint in the nut below, and gland is installed in the needle top, and gland cooperates with the balance diaphragm, and shell, loam cake are made by the plastic materials once-through, and high pressure main body and shell are fixedly connected.
2, a kind of gas balanced type adjustable pressure-reducing valve according to claim 1, it is characterized in that: shell is fixedly connected by molding and forming and high pressure main body.
3, a kind of gas balanced type adjustable pressure-reducing valve according to claim 1, it is characterized in that: the shell molding and forming is made, on the chamber wall of the installation cavity of spool mechanism internal thread is arranged, on the high pressure main body outside thread is arranged, high pressure main body and installation cavity are fixed by threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202003678U CN201273392Y (en) | 2008-09-10 | 2008-09-10 | Balancing type adjustable pressure reducing valve for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202003678U CN201273392Y (en) | 2008-09-10 | 2008-09-10 | Balancing type adjustable pressure reducing valve for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273392Y true CN201273392Y (en) | 2009-07-15 |
Family
ID=40883739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202003678U Expired - Fee Related CN201273392Y (en) | 2008-09-10 | 2008-09-10 | Balancing type adjustable pressure reducing valve for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273392Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829398A (en) * | 2010-05-20 | 2010-09-15 | 重庆山外山科技有限公司 | Pressure-reducing valve for hemodialysis machine |
| CN102665505A (en) * | 2009-12-29 | 2012-09-12 | Bsh博世和西门子家用电器有限公司 | Hot-beverage machine with a valve arrangement |
| CN103398208A (en) * | 2013-08-12 | 2013-11-20 | 浙江善时生物药械(商丘)有限公司 | Gas pressure regulating device |
| CN104154310A (en) * | 2014-07-09 | 2014-11-19 | 宁波亚德客自动化工业有限公司 | Connecting structure of pressure regulating valve body and pressure gage |
-
2008
- 2008-09-10 CN CNU2008202003678U patent/CN201273392Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665505A (en) * | 2009-12-29 | 2012-09-12 | Bsh博世和西门子家用电器有限公司 | Hot-beverage machine with a valve arrangement |
| CN101829398A (en) * | 2010-05-20 | 2010-09-15 | 重庆山外山科技有限公司 | Pressure-reducing valve for hemodialysis machine |
| CN101829398B (en) * | 2010-05-20 | 2012-04-18 | 重庆山外山科技有限公司 | Pressure-reducing valve for hemodialysis machine |
| CN103398208A (en) * | 2013-08-12 | 2013-11-20 | 浙江善时生物药械(商丘)有限公司 | Gas pressure regulating device |
| CN104154310A (en) * | 2014-07-09 | 2014-11-19 | 宁波亚德客自动化工业有限公司 | Connecting structure of pressure regulating valve body and pressure gage |
| CN104154310B (en) * | 2014-07-09 | 2016-06-29 | 宁波亚德客自动化工业有限公司 | A kind of pressure regulator valve body and manometric attachment structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20100910 |