CN206637074U - A kind of barrier film pressure-reducing valve - Google Patents
A kind of barrier film pressure-reducing valve Download PDFInfo
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- CN206637074U CN206637074U CN201720425257.0U CN201720425257U CN206637074U CN 206637074 U CN206637074 U CN 206637074U CN 201720425257 U CN201720425257 U CN 201720425257U CN 206637074 U CN206637074 U CN 206637074U
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- barrier film
- pressure
- control chamber
- valve
- outflow
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Abstract
It the utility model is related to a kind of barrier film pressure-reducing valve, including valve body, barrier film, feed line and outflow pipeline, the medium channel passed through for medium is provided with valve body, barrier film is assemblied in the medium channel, a closed control chamber is formed between barrier film and valve interior wall, medium channel is divided into by control chamber according to media flow direction flows into end and outflow end, and feed line connection flows into end and control chamber is set, and flows out pipeline connection outflow end and control chamber is set.A spring and a supporting pad are provided with above-mentioned control chamber, spring is assemblied between supporting pad and above-mentioned valve interior wall, and supporting pad is in the middle part of above-mentioned barrier film.The spherical structure setting in side that above-mentioned supporting pad is bonded with the barrier film.The setting of spring, supporting pad cooperation barrier film that barrier film pressure-reducing valve of the present utility model uses, it is simple in construction, it is easy to produce, assemble and use.
Description
Technical field
It the utility model is related to pressure-reducing valve product scope, and in particular to a kind of barrier film pressure-reducing valve.
Background technology
Pressure-reducing valve is the outlet pressure that inlet pressure is reduced to a certain needs by regulation, and relies on the energy of medium in itself
Amount, outlet pressure is set to keep stable valve automatically.From the viewpoint of hydrodynamics, pressure-reducing valve is that a local resistance can become
The restricting element of change, i.e., by changing orifice size, change the kinetic energy of flow velocity and fluid, cause the different pressure losses, from
And reach the purpose of decompression.Then by control and the regulation of regulating system, the fluctuation and spring force for making downstream pressure balance each other,
Downstream pressure is set to keep constant in certain error range.Existing most of pressure-reducing valves use full of twists and turns inside mostly
The modes such as respective outer side edges piston, barrier film realize effect of easing stress, and full of twists and turns internal structure will be made troubles to product in
Manufacture, the problems such as production cost is high and inconvenient for use.
The content of the invention
The utility model provides a kind of barrier film pressure-reducing valve, to solve the above problems.
The utility model adopts the following technical scheme that：
A kind of barrier film pressure-reducing valve, including valve body, barrier film, feed line and outflow pipeline, interior be provided with of valve body are led to for medium
The medium channel crossed, barrier film are assemblied in the medium channel, and a closed control chamber, control are formed between barrier film and valve interior wall
Medium channel is divided into by chamber according to media flow direction flows into end and outflow end, and feed line connection flows into end and control chamber
Set, flow out pipeline connection outflow end and control chamber is set.A spring and a supporting pad, spring are provided with above-mentioned control chamber
It is assemblied between supporting pad and above-mentioned valve interior wall, supporting pad is in the middle part of above-mentioned barrier film.Above-mentioned supporting pad is bonded with the barrier film
The spherical structure setting in side.
Further：
Above-mentioned outflow pipeline is provided with pilot valve, and pilot valve is used to control the media flow pressure in effuser road.
Above-mentioned outflow end is provided with an outflow pressure sensor, and outflow pressure sensor is used for the medium of above-mentioned barrier film pressure-reducing valve
Outflow pressure.Above-mentioned pilot valve is automatically controlled pilot valve.
A fin is provided with above-mentioned medium channel, fin circumferentially extends in crescent shape along above-mentioned valve interior wall to be set.It is above-mentioned
Media flow direction in the vertical medium channel of the bearing of trend of fin is set.
Above-mentioned fin is equipped with adjacent to above-mentioned barrier film side side wall with the above-mentioned side that is bonded.
From the above-mentioned description to the utility model structure, compared to the prior art, the utility model has following excellent
Point：The setting of spring, supporting pad cooperation barrier film that barrier film pressure-reducing valve of the present utility model uses, it is simple in construction, it is easy to produce, fills
With while, the barrier film pressure-reducing valve that just fills can reach use state within the shorter time, save install debug time, be easy to
Barrier film pressure-reducing valve is installed and used.In addition, the support of the fitting side of spherical structure more conforms to hydrodynamics, so that this
The output pressure regulation process of the barrier film pressure-reducing valve of utility model can also increase barrier film pressure-reducing valve while more scientific and efficient
Output pressure degree of regulation.
Brief description of the drawings
Fig. 1 is the structural representation of barrier film pressure-reducing valve of the present utility model.
Fig. 2 is the overlooking the structure diagram of barrier film pressure-reducing valve of the present utility model.
Fig. 3 is the internal structure schematic diagram of barrier film pressure-reducing valve of the present utility model.
Embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
With reference to figure 1, Fig. 2, Fig. 3, a kind of pressure-reducing valve of barrier film 2, including valve body 1, barrier film 2, feed line 31 and effuser
Road 32, valve body 1 is interior to be provided with the medium channel passed through for medium, and barrier film 2 is assemblied in the medium channel, barrier film 2 and the inwall of valve body 1
Between formed a closed control chamber 5, control chamber 5 by medium channel according to media flow direction be divided into flow into end 41 and outflow
End 42, the connection of feed line 31 flows into end 41 and control chamber 5 is set, and outflow pipeline 32 connects outflow end 42 and control chamber 5
Set.The pressure-reducing valve of barrier film 2 of present embodiment is for the pressure-reducing valve in fire main.Above-mentioned outflow end 42 and inflow
End 41 is equipped with pressure gauge 11, and pressure gauge 11 is connected to the hydraulic pressure for detecting outflow end 42 and inflow end 41
Hydraulic pressure sensor.
With reference to figure 1, Fig. 2, the above-mentioned side wall of valve body 1 offers a control chamber through hole, and the control chamber through hole is attached to a control
Lumen pore lid 51, control chamber port lid 51 are assemblied in control chamber through hole outer with sealing the control chamber through hole.Above-mentioned feed line 31 with
Above-mentioned outflow pipeline 32 intervenes the control chamber 5 by the control chamber port lid 51.Feed line 31 is attached to a stop valve 311,
Stop valve 311 is used to control the current in feed line 31 are logical to close.Outflow pipeline 32 is provided with pilot valve 321, and pilot valve 321 is used for
Control the water flow pressure in effuser road 32.The pilot valve 321 is automatically controlled pilot valve 321, and pilot valve 321 is according to above-mentioned outflow end
The hydraulic pressure that 42 hydraulic pressure sensor is measured adjust outflow pipeline 32 in water flow, so as to adjust the water in outflow end 42
Pressure.
With reference to figure 3, it is provided with a spring 52 in above-mentioned control chamber 5 and a supporting pad 53, spring 52 is assemblied in supporting pad 53
Between the above-mentioned inwall of valve body 1, supporting pad 53 is located at the above-mentioned middle part of barrier film 2.The side that above-mentioned supporting pad 53 is bonded with the barrier film 2
Spherical structure setting.The barrier film 2 is made up of outer barrier film 21 and inner septum 22, and outer barrier film 21 is assemblied in control chamber through hole,
The side of inner septum 22 edge is bonded with control chamber through hole outer and is fixed, sealed by control chamber port lid 51.The barrier film 2 be flexible material every
Film 2, the hardness of outer barrier film 21 are more than the hardness setting of inner septum 22, and the thickness that the thickness of inner septum 22 is more than outer barrier film 21 is set.
Inner septum 22, which is located in the middle part of the side wall of side in control chamber 5, is provided with a support protrusion, and one is offered in the middle part of the fitting side with being somebody's turn to do
The circular hole that support protrusion is equipped with, supporting pad 53 are sheathed on outside support protrusion by the circular hole, and spring 52 is located at supporting pad 53
Between control chamber port lid 51.
With continued reference to Fig. 3, above-mentioned different hardness and thickness inner septum 22 and the structure setting of outer barrier film 21, for example
The pressure-reducing valve of barrier film 2 is used, when the water pressure fluctuations in pipe-line system for the first time, and harder outer barrier film 21 can preferably be born
Water impact, reduce deformation caused by the part of barrier film 2 is impacted.And softer thicker inner septum 22 is set, punching can be absorbed
Hit energy and play a part of bradyseism energy-absorbing, so that being capable of the balance of quickly restoring force inside the pressure-reducing valve of barrier film 2.Furthermore
This kind of inner septum 22 sets and barrier film 2 can be protected to be impacted from supporting pad 53 under water impact, inner septum 22 and outer barrier film 21
After rigging position is different, and thickness hardness is also different, therefore both pads 53 supported are propped up, in inner septum 22 and the outer surrounding of barrier film 21
Between certain space be present, leave deformation space after being hit to outer barrier film 21, this also will be lifted product durability and performance.
Be provided with a fin 12 with continued reference to Fig. 3, in above-mentioned medium channel, fin 12 is in crescent shape along the above-mentioned inwall of valve body 1
Circumferentially extending is set.Media flow direction in the vertical medium channel of the bearing of trend of above-mentioned fin 12 is set.Above-mentioned fin
12 are equipped with adjacent to the above-mentioned side side wall of barrier film 2 with the above-mentioned side that is bonded.The fin 12 is adjacent to the side side wall of barrier film 2 with being bonded
The structure that side is equipped with is ring-type spherical structure of the fin 12 adjacent to the side side wall of barrier film 2 in a substantially indent, fin 12
The both sides side wall being connected with this adjacent to the side side wall of barrier film 2 is to be inclined by 12 liang of lateral fins 12 of fin adjacent to the side side wall of barrier film 2
Oblique guide curve surface structure, the structure can be in the case where current first pass or hydraulic pressure be changed, and hydraulic pressure, which is oriented to, to be had
The barrier film 2 of energy-absorbing bradyseism, reduce impact of the hydraulic pressure to water pipeline.The above-mentioned structure of barrier film 2 of the respective outer side edges of fin 12, Neng Gouyou
The degree of regulation of the effect lifting pressure-reducing valve of barrier film 2, the voltage regulation performance for strengthening the pressure-reducing valve of barrier film 2.This kind of frame mode is simple in construction, dress
With convenience and the hydraulic pressure of outflow end 42 for flowing into the hydraulic pressure of end 41, the bigger interval range of output of bigger interval range can be received, very
It can extremely completely close above-mentioned medium channel, under case of emergency, can be used as the valve of cut-off water channel.
Specific embodiment of the present utility model is above are only, but design concept of the present utility model is not limited thereto,
All changes for carrying out unsubstantiality to the utility model using this design, all should belong to the row for invading scope of protection of the utility model
For.
Claims (5)
1. a kind of barrier film pressure-reducing valve, including valve body, barrier film, feed line and outflow pipeline, interior be provided with of valve body pass through for medium
Medium channel, barrier film is assemblied in the medium channel, and a closed control chamber, control chamber are formed between barrier film and valve interior wall
Medium channel is divided into according to media flow direction and flows into end and outflow end, feed line connection flows into end and control chamber is set
Put, flow out pipeline connection outflow end and control chamber is set, it is characterised in that：A spring and one are provided with the control chamber
Stake pad, spring are assemblied between supporting pad and the valve interior wall, and supporting pad is in the middle part of the barrier film；The supporting pad is with being somebody's turn to do
The spherical structure setting in fitting side of barrier film fitting.
A kind of 2. barrier film pressure-reducing valve according to claim 1, it is characterised in that：The outflow pipeline is provided with pilot valve, first
Pilot valve is used to control the media flow pressure in effuser road.
A kind of 3. barrier film pressure-reducing valve according to claim 2, it is characterised in that：The outflow end passes provided with an outflow pressure
Sensor, outflow pressure sensor are used for the medium outflow pressure of the barrier film pressure-reducing valve；The pilot valve is automatically controlled pilot valve.
A kind of 4. barrier film pressure-reducing valve according to claim 1, it is characterised in that：A fin is provided with the medium channel,
Fin circumferentially extends in crescent shape along the valve interior wall to be set；Jie in the vertical medium channel of the bearing of trend of the fin
Matter flow direction is set.
A kind of 5. barrier film pressure-reducing valve according to claim 4, it is characterised in that：The fin is adjacent to barrier film side side
Wall is equipped with the side that is bonded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425257.0U CN206637074U (en) | 2017-04-21 | 2017-04-21 | A kind of barrier film pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425257.0U CN206637074U (en) | 2017-04-21 | 2017-04-21 | A kind of barrier film pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637074U true CN206637074U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720425257.0U Active CN206637074U (en) | 2017-04-21 | 2017-04-21 | A kind of barrier film pressure-reducing valve |
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| CN (1) | CN206637074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043686A (en) * | 2019-04-04 | 2019-07-23 | 北消安全设备(北京)有限公司 | A kind of guide's diaphragm pressure reduction valve |
-
2017
- 2017-04-21 CN CN201720425257.0U patent/CN206637074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043686A (en) * | 2019-04-04 | 2019-07-23 | 北消安全设备(北京)有限公司 | A kind of guide's diaphragm pressure reduction valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180627 Address after: 362000 Maoming Road, Fu Mao Industrial Park, Nanan Economic Development Zone, Quanzhou, Fujian Patentee after: Fujian whale Fire Control Co., Ltd. Address before: 362300 Maoming Road, Fu Mao Industrial Park, Nanan Economic Development Zone, Quanzhou, Fujian, China Patentee before: FUJIAN SANJING FIRE-FIGHTING EQUIPMENT CO., LTD. |