CN205578760U - Decompression choke valve - Google Patents
Decompression choke valve Download PDFInfo
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- CN205578760U CN205578760U CN201620263754.0U CN201620263754U CN205578760U CN 205578760 U CN205578760 U CN 205578760U CN 201620263754 U CN201620263754 U CN 201620263754U CN 205578760 U CN205578760 U CN 205578760U
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Abstract
The utility model relates to a decompression choke valve, including valve body (10), the setting is in inlet (3) of valve body (10) upper end, the setting is in valve body (10) lower extreme and corresponding liquid outlet (4) in inlet (3) position, the cone valve point (5) of setting in valve body (10) cavity, wherein, cone valve point (5) is connected on valve body (10) through flexible membrane piece (6), valve body (10) are including last valve body (1), valve body (2) down, well valve body (13), line type aliphatic epoxide, moreover, the steam generator is simple in structure, it is reliable stable, through flexible membrane piece (6) intrinsic characteristics automatically regulated pressure and flow, be suitable for the low pressure, it is discontinuous, the synchronous operating mode of low discharge, still the adaptation is carried than high pressure simultaneously, again must be under lower pressure with the large -scale micropore atomizing atomizer of low discharge work, thereby overcome the interference that the pressure oscillation caused, improve micropore spraying atomizing device's spraying effect, prevent the weeping.
Description
Technical field
This utility model relates to a kind of choke valve, refers more particularly to a kind of pressure reducing throttle valve being arranged on micropore atomization spraying apparatus.
Background technology
In micropore atomization deodoration system, if the hypertonia of infusion pipeline, it is easily caused micropore atomization sheet sepage and leaks, affect atomizing effect.
Common choke valve uses manually regulation latus rectum size to realize throttling, decompression, but can not be automatically adjusted latus rectum size according to releasing end pressure, completely closes when can not reach rated value releasing end pressure.
Chinese patent notification number CN103591317A discloses a kind of choke valve, and it includes bullet, valve rod, relief hole, stop, spring etc., the defect using spring is to make choke valve the most normally work, and can not completely close valve when reaching rated pressure value.
Chinese patent notification number CN203816416U discloses a kind of high-pressure water-spray dust removal device, employed technical scheme comprise that, it includes water tank, the first filter, first throttle valve, high-pressure hydraulic pump, overflow valve, check valve, choke valve group, solid cone spray nozzle；Being sequentially connected with by water-supply-pipe between described first filter, first throttle valve, high-pressure hydraulic pump, check valve, the water inlet of described first filter stretches into the inside of described water tank, and the outlet of described check valve is connected with the water inlet of described choke valve group；The water inlet of described overflow valve is connected with the outlet of described high-pressure hydraulic pump, and the outlet of described overflow valve stretches into the inside of described water tank；Described choke valve group includes second throttle and the 3rd choke valve；The water inlet of described second throttle is connected with the outlet of described check valve, and the outlet of described second throttle is connected with the water inlet of multiple described solid cone spray nozzles；The described water inlet of the 3rd choke valve is connected with the outlet of described check valve, and the outlet of described 3rd choke valve is connected with the water inlet of multiple described solid cone spray nozzles.But it is complicated that the defect of this technology is structure, and atomizing effect is undesirable.
Summary of the invention
The technological deficiency existed for above-mentioned technology, this utility model provides a kind of pressure reducing throttle valve that may be mounted on micropore atomization spraying apparatus.
In order to realize above-mentioned technical purpose, this utility model provides a kind of pressure reducing throttle valve, including valve body, valve pocket, spool, described spool is arranged in the valve pocket of valve body, wherein, valve body includes upper valve body, lower valve body, middle valve body, valve pocket includes the first valve pocket, second valve pocket, 3rd valve pocket, spool includes cone valve point and flexible membrane, wherein, flexible membrane includes the upper flexible membrane that connected by valve rod and lower flexible membrane, upper flexible membrane and upper valve body form the first valve pocket, lower flexible membrane and lower valve body form the second valve pocket, valve rod forms the 3rd valve pocket with middle valve body, 3rd valve pocket is between the first valve pocket and the second valve pocket.
Further technical scheme is that valve body upper end has an inlet, and inlet is positioned at the center of upper valve body, and described inlet is connected with tube for transfusion.
Further technical scheme is that valve body lower end has a liquid outlet, described liquid outlet to be positioned at the center of lower valve body, and described liquid outlet can be corresponding with the position of inlet, it is also possible to deviation.
Further technical scheme is to be communicated by through pore between liquid outlet with inlet.
Further technical scheme is that inlet is provided with bellmouth, and the outer dia of described bellmouth is less than inside diameter.
Further technical scheme is, when described cone valve point overlaps with bellmouth, and valve closing, when cone valve point separates with bellmouth, valve opening.
Further technical scheme is that described pressure reducing throttle valve also includes that relief hole, described relief hole and the 3rd valve pocket communicate.
Further technical scheme is that flexible membrane includes flexible membrane, lower flexible membrane, and described upper flexible membrane is connected by valve rod with lower flexible membrane, and the diameter of described upper flexible membrane is less than the diameter of lower flexible membrane.
The beneficial effects of the utility model are: simple in construction, reliable and stable, flexible membrane is utilized to use material inherent character automatic pressure regulation and flow, it is suitable for low-pressure, discontinuous, low discharge synchronization operating mode, the most also being suitable for both had needed elevated pressures to carry, and must effectively overcome, at low pressures with the large-scale micropore atomization spraying system of low discharge work, the interference that pressure oscillation causes again, improve the spray effect of micropore spraying atomization system, prevent leakage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is utility model works structural representation.
Detailed description of the invention
For clearer narration embodiment of the present utility model, below in conjunction with the accompanying drawings this utility model is described further.
As it is shown in figure 1, embodiment of the present utility model is to provide a kind of pressure reducing throttle valve, it includes valve body 10, spool 12, and wherein, valve body 10 includes upper valve body 1, lower valve body 2, middle valve body 13.A valve pocket 11 is formed in valve body 10, spool 12 is arranged in valve pocket 11, valve pocket 11 includes the first valve pocket 100, second valve pocket 101, 3rd valve pocket 102, spool 12 includes cone valve point 5 and flexible membrane 6, flexible membrane 6 includes again flexible membrane 60 and lower flexible membrane 61, upper flexible membrane 60 and lower flexible membrane 61 are connected by valve rod 9, upper flexible membrane 60 forms the first valve pocket 100 with upper valve body 1, lower flexible membrane 61 forms the second valve pocket 101 with lower valve body 2, valve rod 9 and middle valve body 13 form the 3rd valve pocket 102, 3rd valve pocket 102 is between the first valve pocket 100 and the second valve pocket 101.
The center of upper valve body 1 is provided with inlet 3, is provided with liquid outlet 4 in the lower end of lower valve body 2, and spool 12 is located at inlet 3 and the centre position of liquid outlet 4 conducting.Liquid outlet 3 can be corresponding with the position of inlet 4, it is also possible to deviation.
With reference to shown in Fig. 1, spool 12 includes that cone valve point 5, valve rod 9 and flexible membrane 6, cone valve point 5 are arranged on valve body 10 by flexible membrane 6 and valve rod 9.Flexible membrane 6 includes flexible membrane 60 and lower flexible membrane 61, and wherein, upper flexible membrane 60 and lower flexible membrane 61 are linked together by valve rod 9.In the present embodiment, upper flexible membrane 60 is arranged on the junction of upper valve body 1 and middle valve body 13, and lower flexible membrane 61 is arranged on the junction of lower valve body 2 and middle valve body 13, when pressure reducing throttle valve works,
Upper flexible membrane 60 and lower flexible membrane 61 drive cone valve point 5 to open and close on inlet.
In valve pocket 11, being formed with through pore 15 between valve rod 9 and cone valve point 5, spool 12 is arranged on through pore 15, and liquid is flowed into through pore 15 by running through pore 15 from inlet 3, then is flowed out from liquid outlet 4 by through pore 15.
As it is shown in figure 1, the center of upper valve body 1 is provided with inlet 3, inlet 3 includes bellmouth 7, and wherein, the outer dia of bellmouth 7 is less than inside diameter.The top dimension size pairing of the top dimension size of cone valve point 5 and inlet 3, when being sealed the bellmouth 7 of inlet 3 by the top of cone valve point 5, valve closing；When cone valve point 5 separates with the bellmouth 7 of inlet 3, valve opening.
As shown in Figure 1, upper flexible membrane 60 is minor diameter flexible membrane, lower flexible membrane 61 is large-diameter flexible diaphragm, upper flexible membrane 60 forms the first valve pocket 100 with upper valve body 1, lower flexible membrane 61 forms the second valve pocket 101 with lower valve body 2, upper flexible membrane 60, lower flexible membrane 61, middle valve body 13, valve rod 9 form the 3rd valve pocket 102, and described 3rd valve pocket 102 is communicated with air by relief hole 8.
Scalable pressure differential of the present utility model is calculated by below equation: F=R1 2πP1-(R2 2-R3 2)πP2-k(wherein, R1For the bell taper end diameter of inlet, R2Radius, R for upper flexible membrane contact liq part3For the radius of lower flexible membrane contact liq part, R1>R2, P1Strong for inlet side pressure, P2For the specified pressure of liquid outlet, when k is cone valve point design maximum displacement, the elastic stiffness of flexible membrane deformation, can be recorded by experiment).
The operation principle of pressure reducing throttle valve is:
A, in working order under, liquid flows into the first valve pocket 100 from inlet 3 through bellmouth, and the through pore 15 on cone valve point 5 flows into the second valve pocket (101) being made up of lower flexible membrane 61 and lower valve body 2, flows out through liquid outlet 4；
B, when the first valve pocket 100, when liquid in second valve pocket 101 increases, first valve pocket 100, the pressure of the second valve pocket 101 raises, first valve pocket 100, second valve pocket 101 and the 3rd valve pocket 102 produce pressure differential between being formed, flexible membrane 6 deforms, owing to upper flexible membrane 60 is different from the diameter of lower flexible membrane 61, when the first valve pocket 100, when the pressure of the second valve pocket 101 is higher than the 3rd valve pocket 102 atmospheric pressure, act on the pressure on lower flexible membrane 61 more than the pressure on upper flexible membrane 60, the cone valve point 5 on valve rod 9 is promoted to move on bellmouth 7, bellmouth 7 flux diminishes until completely closing, thus keep the first valve pocket 100, second valve pocket 101 is less than predetermined value all the time with the pressure of liquid outlet；
C, after in the second valve pocket 101 cavity, liquid progressively releases, when the pressure of first valve pocket the 100, second valve pocket 101 gradually reduces, resilience under flexible membrane 6 natural resiliency effect, cone valve point 5 moves away from bellmouth 7, bellmouth 7 flux becomes big until fully opening, it is achieved pressure and the dual regulation of flow.
Flexible membrane 6 provides power by natural resiliency for cone valve point 5 reset, eliminate spring operation, enormously simplify valve body structure by adjusting flexible membrane 6 diameter and diaphragm material thickness, it is possible to produce regulation different pressures is poor, range of flow and the liquid pressure-reducing choke valve of sensitivity.
In the present embodiment, pressure reducing throttle valve is arranged on micropore atomization sprayer unit by screw 14, and it can also be arranged in infusion pipeline.
With reference to shown in Fig. 2, pressure reducing throttle valve communicates with inlet opening 17, and hydrojet is flowed into inlet by inlet opening 17, and inlet opening 17 communicates with feed pathway 18, is provided with valve between inlet opening 17 and feed pathway 18.
Embodiment described above only have expressed embodiment of the present utility model; its description is the most detailed; as long as those skilled in the art is after viewing embodiment of the present utility model, on the premise of conceiving without departing from this utility model, the change made broadly falls into protection domain of the present utility model.But embodiment as herein described is it is not intended that limit protection domain of the present utility model.
Claims (8)
- null1. a pressure reducing throttle valve，Including valve body (10)、Valve pocket (11)、Spool (12)，The valve pocket (11) that described spool (12) is arranged on valve body (10) is inner，It is characterized in that，Described valve body (10) includes upper valve body (1)、Lower valve body (2)、Middle valve body (13)，Described valve pocket (11) includes the first valve pocket (100)，Second valve pocket (101)，3rd valve pocket (102)，Described spool (12) includes cone valve point (5) and flexible membrane (6)，Described flexible membrane (6) includes flexible membrane (60) and lower flexible membrane (61)，Wherein，Upper flexible membrane (60) and lower flexible membrane (61) are connected by valve rod (9)，Upper flexible membrane (60) and upper valve body (1) form the first valve pocket (100)，Lower flexible membrane (61) and lower valve body (2) form the second valve pocket (101)，Valve rod (9) forms the 3rd valve pocket (102) with middle valve body (13)，3rd valve pocket (102) is positioned between the first valve pocket (100) and the second valve pocket (101).
- Pressure reducing throttle valve the most according to claim 1, it is characterised in that described valve body (10) upper end has an inlet (3), described inlet (3) to be positioned at the center of upper valve body (1), and described inlet (3) communicates with tube for transfusion.
- Pressure reducing throttle valve the most according to claim 2, it is characterized in that, described valve body (10) lower end has a liquid outlet (4), described liquid outlet (4) to be positioned at the center of lower valve body (2), and described liquid outlet (4) is corresponding with the position of inlet (3).
- Pressure reducing throttle valve the most according to claim 2, it is characterized in that, described valve body (10) lower end has a liquid outlet (4), described liquid outlet (4) to be positioned at the center of lower valve body (2), and described liquid outlet (4) deviates with the position of inlet (3).
- 5. according to the pressure reducing throttle valve described in claim 3 or 4, it is characterised in that communicated by through pore (15) between described liquid outlet (4) with inlet (3).
- Pressure reducing throttle valve the most according to claim 2, it is characterized in that, described inlet (3) is bellmouth (7), the outer dia of described bellmouth (7) is less than inside diameter, when described cone valve point (5) overlaps with bellmouth (7), valve closing, when cone valve point (5) separates with bellmouth (7), valve opening.
- Pressure reducing throttle valve the most according to claim 1, it is characterised in that described pressure reducing throttle valve also includes that relief hole (8), described relief hole (8) communicate with the 3rd valve pocket (102) and air.
- Pressure reducing throttle valve the most according to claim 1, it is characterized in that, described flexible membrane (6) includes flexible membrane (60), lower flexible membrane (61), described upper flexible membrane (60) is connected by valve rod (9) with lower flexible membrane (61), and the diameter of described upper flexible membrane (60) is less than the diameter of lower flexible membrane (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263754.0U CN205578760U (en) | 2016-04-01 | 2016-04-01 | Decompression choke valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263754.0U CN205578760U (en) | 2016-04-01 | 2016-04-01 | Decompression choke valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578760U true CN205578760U (en) | 2016-09-14 |
Family
ID=56863762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620263754.0U Expired - Fee Related CN205578760U (en) | 2016-04-01 | 2016-04-01 | Decompression choke valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736781A (en) * | 2016-04-01 | 2016-07-06 | 上海澳升清洁科技有限公司 | Pressure reduction throttling valve and application method |
| CN108543502A (en) * | 2016-12-20 | 2018-09-18 | 大连圣多教育咨询有限公司 | The control method of improved alkaline reaction kettle |
-
2016
- 2016-04-01 CN CN201620263754.0U patent/CN205578760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736781A (en) * | 2016-04-01 | 2016-07-06 | 上海澳升清洁科技有限公司 | Pressure reduction throttling valve and application method |
| CN108543502A (en) * | 2016-12-20 | 2018-09-18 | 大连圣多教育咨询有限公司 | The control method of improved alkaline reaction kettle |
| CN108543502B (en) * | 2016-12-20 | 2021-02-09 | 山东三岳化工有限公司 | Control method of modified alkali-making reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20210401 |