CN203585348U - Pressure reducing valve - Google Patents
Pressure reducing valve Download PDFInfo
- Publication number
- CN203585348U CN203585348U CN201320678596.1U CN201320678596U CN203585348U CN 203585348 U CN203585348 U CN 203585348U CN 201320678596 U CN201320678596 U CN 201320678596U CN 203585348 U CN203585348 U CN 203585348U
- Authority
- CN
- China
- Prior art keywords
- valve
- diaphragm
- valve body
- seat
- air 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 - Lifetime
Links
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract 8
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a pressure reducing valve which comprises a valve body, a rear cover fixedly connected to the lower portion of the valve body, and a front cover fixedly connected to the upper portion of the valve body. An air inlet, an air outlet and a valve opening are formed in the valve body. The air inlet and the air outlet are communicated through the valve opening, and the position, corresponding to the valve opening, is provided with a valve element. A first spring is arranged between the valve element and the rear cover. A membrane is arranged between the valve body and the front cover, and a membrane seat is fixedly arranged on the membrane. The membrane seat is connected with the valve element through a valve rod. A valve cavity is formed between the membrane and the valve body. A through hole is formed between the valve cavity and the air outlet. A spring seat is fixedly arranged in the front cover, and a second spring is arranged between the membrane and the spring seat. The front cover is sleeved with a hand wheel which is connected with the spring seat in a matched mode. A shock absorption assembly is arranged on the membrane seat in a sleeved mode, vibration caused when the membrane is subjected to gas pressure is effectively removed. Meanwhile, the pressure reducing valve is further provided with a pressure gauge, and therefore the intensity of gas pressure can be reflected more visually.
Description
Technical field
The utility model relates to valve class technical field, particularly a kind of reduction valve.
Background technique
For effectively storing a large amount of gas, generally by after gas compression, deposit in gas holder, therefore gas pressure is higher in gas holder, can reach tens hundreds of barometric pressure even.But gas is used equipment desired gas pressure less, so just has air delivery device and the larger problem of gas equipment gas pressure difference, therefore need to effectively regulate gas pressure, realizes safe use gas, and reduction valve is exactly a kind of like this controlling device.Existing reduction valve, generally include valve body, be fixedly connected on the bonnet of valve body lower portion, be fixedly connected on the protecgulum on valve body top, moulding suction port, air outlet and valve port in described valve body, suction port and air outlet are communicated with by valve port, and described valve port corresponding section is provided with spool, are provided with the first spring between described spool and bonnet; Between described valve body and protecgulum, be provided with diaphragm, be fixed with diaphragm seat on described diaphragm, diaphragm seat is connected with spool by valve rod, between described diaphragm and valve body, forms valve pocket, between described valve pocket and air outlet, is provided with through hole; In described protecgulum, be fixed with spring seat, between described diaphragm and spring seat, be provided with the second spring; Described protecgulum is arranged with handwheel outward, and described handwheel and spring seat are connected.
During use, by rotation hand wheel, spring seat moves down, the second spring-compressed also gives diaphragm and downward active force of diaphragm seat, diaphragm seat promotes spool by valve rod and moves down, and valve port is opened, and between suction port and air outlet, is communicated with, when gas is discharged from air outlet, some gas via through holes enters in valve pocket, and when air outlet internal pressure is higher, the gas in valve pocket will be pressed on diaphragm, spool moves under the effect of the first spring, and air outlet internal pressure reduces; When air outlet internal pressure is lower, spool moves down with diaphragm, thereby reach, adjusts gas port gas pressure.
Yet when valve pocket internal pressure is larger, diaphragm can produce vibration under the effect of air pressure, causes gas pressure intensity output unstable, is unfavorable for the adjusting of pressure.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of simple and reasonable, easy to operate, can have the vibration of the diaphragm of elimination, the better reduction valve of pressure regulating effect.
For achieving the above object, the utility model is by the following technical solutions:
Reduction valve described in the utility model, comprise valve body, be fixedly connected on the bonnet of valve body lower portion, be fixedly connected on the protecgulum on valve body top, moulding suction port in described valve body, air outlet and valve port, suction port and air outlet are communicated with by valve port, described valve port corresponding section is provided with spool, between described spool and bonnet, be provided with the first spring, between described valve body and protecgulum, be provided with diaphragm, on described diaphragm, be fixed with diaphragm seat, diaphragm seat is connected with spool by valve rod, between described diaphragm and valve body, form valve pocket, between described valve pocket and air outlet, be provided with through hole, in described protecgulum, be fixed with spring seat, between described diaphragm and spring seat, be provided with the second spring, described protecgulum is arranged with handwheel outward, described handwheel and spring seat are connected, on described diaphragm seat, be arranged with resilient rubbber cushion, between described resilient rubbber cushion and diaphragm, be provided with successively gland and pallet, the corresponding part, position, air outlet of described valve body is also provided with pressure gauge.
Further, described resilient rubbber cushion be shaped as tubaeform.
Further, described pressure gauge is electronic pressure meter.
Further, described diaphragm seat is shaped as " work " shape.
The beneficial effects of the utility model are: sheathed resilient rubbber cushion on diaphragm seat, between described resilient rubbber cushion and diaphragm, be provided with successively gland and pallet, by resilient rubbber cushion, gland and pallet, form weakening assembly, effectively eliminate the vibration producing when diaphragm is subject to gas pressure intensity, improved pressure controlled effect; Meanwhile, the utility model is also provided with pressure gauge, has reflected more intuitively the size of gas pressure.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure:
1, valve body; 2, bonnet; 3, protecgulum; 4, suction port; 5, air outlet;
6, valve port; 7, spool; 8, the first spring; 9, diaphragm; 10, diaphragm seat;
11, valve rod; 12, valve pocket; 13, through hole; 14, spring seat; 15, the second spring;
16, handwheel; 17, resilient rubbber cushion; 18, gland; 19, pallet; 20, pressure gauge.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Reduction valve as shown in Figure 1, comprise valve body 1, be fixedly connected on the bonnet 2 of valve body 1 bottom, be fixedly connected on the protecgulum 3 on valve body 1 top, the interior moulding suction port 4 of described valve body 1, air outlet 5 and valve port 6, suction port 4 and air outlet 5 are communicated with by valve port 6, described valve port 6 corresponding sections are provided with spool 7, between described spool 7 and bonnet 2, be provided with the first spring 8, between described valve body 1 and protecgulum 3, be provided with diaphragm 9, on described diaphragm 9, be fixed with diaphragm seat 10, diaphragm seat 10 is connected with spool 7 by valve rod 11, between described diaphragm 9 and valve body 1, form valve pocket 12, between described valve pocket 12 and air outlet 5, be provided with through hole 13, in described protecgulum 3, be fixed with spring seat 14, between described diaphragm 9 and spring seat 14, be provided with the second spring 15, the outer handwheel 16 that is arranged with of described protecgulum 3, described handwheel 16 is connected with spring seat 14.Above-mentioned formation agent structure of the present utility model.
During use, by rotation hand wheel 16, spring seat 14 moves down, the second spring 15 compresses and gives diaphragm 9 and 10 1 downward active forces of diaphragm seat, diaphragm seat 10 promotes spool 7 by valve rod 11 and moves down, valve port 6 is opened, between suction port 4 and air outlet 5, be communicated with, gas is from air outlet 5 while discharging, some gas via through holes 13 enters in valve pocket 12, when air outlet 5 internal pressures are when higher, in the gas of valve pocket 12, will on diaphragm 9, press, spool 7 moves under the effect of the first spring 8, and air outlet 5 internal pressures reduce; When air outlet 5 internal pressures are when lower, spool 7 moves down with diaphragm 9, thereby adjusts gas port 5 gas pressures.
On described diaphragm seat 10, be arranged with resilient rubbber cushion 17, be provided with successively gland 18 and pallet 19 between described resilient rubbber cushion 17 and diaphragm 9,5 corresponding parts, position, air outlet of described valve body 1 are also provided with pressure gauge 20.
By resilient rubbber cushion 17, gland 18 and pallet 19, form weakening assembly, when diaphragm 9 is subject to gas pressure intensity to produce vibration, diaphragm 9 reaches resilient rubbber cushion 17 by pressure through pallet 19 and gland 18, and resilient rubbber cushion 17 absorbs this pressure eliminate, and has improved pressure controlled effect; Meanwhile, pressure gauge 20 is set, the size of pressure while having reflected more intuitively gas output.
Being shaped as of described resilient rubbber cushion 17 is tubaeform.Described pressure gauge 20 is electronic pressure meter, and reading is more directly perceived and convenient.Described diaphragm seat 10 be shaped as " work " shape.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (4)
1. reduction valve, comprise valve body (1), be fixedly connected on the bonnet (2) of valve body (1) bottom, be fixedly connected on the protecgulum (3) on valve body (1) top, the interior moulding suction port of described valve body (1) (4), air outlet (5) and valve port (6), suction port (4) and air outlet (5) are communicated with by valve port (6), described valve port (6) corresponding section is provided with spool (7), between described spool (7) and bonnet (2), be provided with the first spring (8), between described valve body (1) and protecgulum (3), be provided with diaphragm (9), on described diaphragm (9), be fixed with diaphragm seat (10), diaphragm seat (10) is connected with spool (7) by valve rod (11), between described diaphragm (9) and valve body (1), form valve pocket (12), between described valve pocket (12) and air outlet (5), be provided with through hole (13), in described protecgulum (3), be fixed with spring seat (14), between described diaphragm (9) and spring seat (14), be provided with the second spring (15), the outer handwheel (16) that is arranged with of described protecgulum (3), described handwheel (16) is connected with spring seat (14), it is characterized in that: on described diaphragm seat (10), be arranged with resilient rubbber cushion (17), between described resilient rubbber cushion (17) and diaphragm (9), be provided with successively gland (18) and pallet (19), the corresponding part, position, air outlet (5) of described valve body (1) is also provided with pressure gauge (20).
2. reduction valve according to claim 1, is characterized in that: being shaped as of described resilient rubbber cushion (17) is tubaeform.
3. reduction valve according to claim 1, is characterized in that: described pressure gauge (20) is electronic pressure meter.
4. reduction valve according to claim 1, is characterized in that: described diaphragm seat (10) be shaped as " work " shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678596.1U CN203585348U (en) | 2013-10-30 | 2013-10-30 | Pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678596.1U CN203585348U (en) | 2013-10-30 | 2013-10-30 | Pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585348U true CN203585348U (en) | 2014-05-07 |
Family
ID=50583274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320678596.1U Expired - Lifetime CN203585348U (en) | 2013-10-30 | 2013-10-30 | Pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2702719C1 (en) * | 2018-12-07 | 2019-10-09 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Needle valve |
-
2013
- 2013-10-30 CN CN201320678596.1U patent/CN203585348U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2702719C1 (en) * | 2018-12-07 | 2019-10-09 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Needle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |