CN206036331U - Liquid flow constant control valve - Google Patents
Liquid flow constant control valve Download PDFInfo
- Publication number
- CN206036331U CN206036331U CN201621006783.5U CN201621006783U CN206036331U CN 206036331 U CN206036331 U CN 206036331U CN 201621006783 U CN201621006783 U CN 201621006783U CN 206036331 U CN206036331 U CN 206036331U
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- China
- Prior art keywords
- valve body
- cushion
- valve
- constant control
- fluid flow
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a liquid flow constant control valve, its characterized in that: including last valve body, lower valve body, cushion and mobilizable case, it is equipped with the internal thread to go up the valve body, down the valve body be equipped with with last valve body matched with external screw thread, go up valve body and valve body down through interior thread connection and form and go up the valve body and the valve body cavity after valve body set closes down, in the valve body cavity, valve body to the lower axial of valve body is equipped with foraminiferous cushion and mobilizable case in proper order on the edge, mobilizable case includes semicircular sealing and cylindric guide part, and the surface of semicircular sealing is equipped with the arch, is equipped with the valve core through hole that can supply liquid circulation on the circumference wall of the guide part of cylinder, foraminiferous cushion be equipped with with the sealed face of semicircular sealing laminating. The utility model discloses can be at predetermined fluid pressure within range, do not receive the change of fluid pressure size and realize the invariable of liquid flow and adjust, be applicable to fields such as agricultural irrigation, ratio solution and energy -conserving water conservation.
Description
Technical field
This utility model belongs to liquid flow control valve technical field, more particularly to a kind of fluid flow constant control
Valve.
Background technology
Mostly it is to be pressurized to be supplied water to water supply line using water pump in existing water system, in this case with water
Pump is started or stoped, the also change of the resistance and water consumption of pipeline itself, and the pressure of pipeline can be caused to produce change；Or
The outlet of person's diverse location where pipeline is longer due to due to the resistance of ducting is diminished in the hydraulic pressure of pipe end, is leaned on
The hydraulic pressure of nearly pipeline front end is larger.For above-mentioned reasons, the flow flow through by the apopore of identical latus rectum is caused to have larger difference.
To solve the problems, such as existing water system, known know-why is so that the section of flow channel for liquids is with fluid pressure
Change present inverse proportion change；Known technical scheme mainly has：
Chinese patent application CN201020141294.7 discloses a kind of automatic constant-pressure for pipeline hydraulic pressure flow cavitation result
Permanent flow valve, including valve body, water inlet and outlet, inner chamber one end of valve body are connected with limited block, are provided with into water in the middle of limited block
Mouthful, piston, spring, spring base, adjusting rod order are located in body cavity, and piston is located between limited block and spring, spring position
Between piston and spring base, spring base opposite side is provided with adjusting rod, and piston is provided with inlet opening, it is characterized in that：In the middle part of valve body
Side is provided with outlet, and the outlet of inlet opening is corresponding with spring intracavity, and outlet is connected with spring outwards, or inlet opening
Outlet it is corresponding with spring outwards, outlet is connected with spring intracavity.Although the automatic constant-pressure constant-flow valve can realize liquid
The section of body runner is presented inverse proportion change with the change of fluid pressure, but it is the change in the gap by spring realizing
The control of discharge, thus have the following disadvantages：One is that spring steel long period of soaking in water, is inevitably causing rust
Erosion, causes the coefficient of elasticity of spring to change, therefore the gap of spring can also change, and cause instability of flow.Two is the pressure of spring
The longer stroke of contracting or flexible needs, i.e., the distance between spring base and piston are longer, therefore when current are entered from water inlet
To during spring intracavity due to pressure transmission act on, can cause spring intracavity be water flow pressure gradually with water inlet hydraulic balance,
The original state that now spring will be gradually replied from compressive state, that is to say, that the gap between spring can become big again；Therefore increase
Plus the effect of spring and piston is only so that pressure change tends to relaxing, and can only play a part of to slow down compression shock, it is difficult to
Real control flow is constant.
Chinese patent application CN201220720972.4 discloses a kind of permanent flow valve, including the valve body with valve pocket, is located at
Constant flow regulation device in the valve pocket, has the oil-out connected with the valve pocket on the valve body；It is characterized in that：The constant current
Adjusting means includes the positioning sleeve (6) being fixed in valve pocket, the spring (4) being located in the valve pocket and the work with oil-in (7)
Door (5).The principle of the permanent flow valve is also to promote valve motion using spring stress compression, then by the motion of valve controlling
The aperture of oil-out, so as to control flow.So, the one kind similarly announced with Chinese patent application CN201020141294.7
There is identical in the automatic constant-pressure constant-flow valve for pipeline hydraulic pressure flow cavitation result.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of to provide a kind of fluid flow constant control existing for prior art
Valve processed, this utility model can setting liquid pressure range in, not the change of liquid body pressure size and realize fluid flow
Constant regulation.
According to the utility model proposes a kind of fluid flow constant control valve, it is characterised in that：Including upper valve body, lower valve
Body, cushion and mobilizable valve element, the upper valve body are provided with female thread, and the lower valve body is provided with outer with upper valve mates
The valve cavity of screw thread, upper valve body and lower valve body after internal and external threads connect and formed upper valve body and lower valve body combination, it is described
In valve cavity, cushion with holes and mobilizable valve element are sequentially provided with along the axial direction of upper valve body to lower valve body, it is described to live
Dynamic valve element includes the guide part of semicircular sealing and cylindrical shape, and the outer surface of semicircular sealing is provided with projection, institute
The circumferential wall for stating the guide part of cylindrical shape is provided with the valve core through hole for being available for liquid communication, and the cushion with holes is provided with and institute
State the sealing surface of semicircular sealing laminating.
The utility model proposes a kind of further preferred scheme of fluid flow constant control valve be：
The cushion with holes is cylindric, and which is axially arranged with the cushion through hole for being available for liquid to flow through, and cushion leads to
A diameter of 0.1-5mm in hole.
The sealing surface of the cushion with holes is shaped as hemispherical or taper.The material of the cushion with holes is
Rubber, silica gel or silicone rubber.
Being shaped as cushion with holes is cylindric, and the side wall with upper valve body is tight fit, preferably can be sealed
With prevent cushion upset and radial rotating, and when cushion is axially higher by the cavity of upper valve body with lower valve body cooperation it is close
Envelope prevents water from oozing out from the joint portion of screw thread.
The gap circulated for liquid is provided between the cylindric guide part and lower valve body, the width in the gap is
0.2-5mm。
Further control gap be in order to meet the requirement in the case of different flow, larger gap be selected during big flow,
Less gap is selected during low discharge.Valve core through hole is available for liquid communication with gap cooperation.
The material of mobilizable valve element is ceramics or engineering plastics；The material of the upper valve body and lower valve body is not
Rust steel, copper alloy, aluminium alloy or engineering plastics.
It is described it is raised be shaped as hemispherical, the raised height is 0.2-5mm.
The material of mobilizable valve element, upper valve body, lower valve body and cushion should meet antiseptical requirement.
It is of the present utility model to realize that principle is：To cause the section of flow channel for liquids that inverse ratio is presented with the change of fluid pressure
Example change, this utility model are employed and the diverse scheme of prior art.In this utility model use, there is liquid from lower valve
During direction of flow upper valve body, liquid flow first impacts mobilizable valve element, and mobilizable valve element pushes up elasticity in the presence of liquid flow
Pad, the projection of mobilizable valve element push up the sealing surface of cushion first, and the projection is absorbed in the sealing surface of cushion, works as liquid
Body stream to the impulsive force of mobilizable valve element and cushion to the Spring balanced of mobilizable valve element when, you can in the close of cushion
A flow channel for liquids for being available for liquid flow to pass through is formed between the sealing of front cover and mobilizable valve element, when pressure is big, can
The sealing surface that the valve element of activity is absorbed in cushion is just more, and the flow channel for liquids section for being formed is just little；Otherwise work as pressure hour, can live
The sealing surface that dynamic valve element is absorbed in cushion is just little, and the flow channel for liquids section for being formed is just big.Therefore, only fluid pressure occurs
Change, but fluid flow invariableization.
Its remarkable advantage is this utility model compared with prior art：
One be this utility model can in the case where fluid pressure changes adjust automatically fluid flow, without artificial operation；
Signal is gathered without electronic components such as effusion meters, then feeds back to electrically operated valve and carry out control valve aperture, so as to further controlling stream
Amount；Using the interaction of cushion and mobilizable valve element, directly with pressure controlling flow channel for liquids section, so as to realize stream
Amount is constant.
Two is that this utility model absorbs water flow impact pressure using cushion, and mobilizable valve element has semicircular close
Envelope portion, the effect one of semicircular sealing are sealings, two are dispersive pressures so that liquid is to flow through cushion close with semicircle
The pressure dissipation to valve element produced when flow channel for liquids between envelope portion will not produce promotion mobilizable to all directions
The harmful effect that valve element is moved in reverse direction.
Three is that this utility model absorbs impulsive force of the current to mobilizable valve element using cushion, and cushion produces bullet
Property deformation is absorbing impulsive force, therefore the projection of the sealing of mobilizable valve element can be made thin little, unlike must using spring
Stroke that need be larger, so the pressure in flow channel for liquids will not be as disclosed in Chinese patent application CN201020141294.7
Scheme, can cause reverse impact.
Four is that perforate can cause vacuum effect on cushion of the present utility model, is conducive to stablizing for mobilizable valve element,
When liquid flows through cushion through hole into upper valve body, as the mutation of sectional area can be partially formed negative pressure similar to venturi
Pipe, can produce certain adsorption to mobilizable valve element.Therefore this utility model adopts cushion and mobilizable valve element
Coordinate to control the gap of flow channel for liquids and spring control gap be two diverse technical schemes, acquired technique effect
It is significantly better than prior art.
Five is of the present utility model simple and reliable for structure, is widely used in agricultural irrigation, accurate proportioning solution and energy-saving
The fields such as water.Such as in agricultural irrigation, install before each shower nozzle, it is ensured that spray flow is not with pipe resistance and pipeline pressure
Change, it is ensured that irrigate uniform, while saving water resource；Install before faucet water is controlled when can ensure that unlatching faucet
Flow, reduces and wastes；Installing before industrial valve can the destruction that causes of less water impact, protection valve and pipe-line system.
Application in proportioning solution can ensure that proportioning is accurate, continuous to run.
Description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model.
Fig. 2 is overall cross-sectional view of the present utility model.
Fig. 3 is valve cavity cross-sectional view of the present utility model.
Fig. 4 is the dimensional structure diagram of cushion of the present utility model.
Fig. 5 is the cross-sectional view of cushion of the present utility model.
Fig. 6 is the dimensional structure diagram of mobilizable valve element of the present utility model.
Fig. 7 is the cross-sectional view of mobilizable valve element of the present utility model.
Illustrate：Upper valve body 1；Female thread 1.1；Lower valve body 2；External screw thread 2.1；Cushion 3；Sealing surface 3.1；Cushion
Through hole 3.2；Mobilizable valve element 4；Sealing 4.1；Guide part 4.2；Valve core through hole 4.3；Raised 4.4；Valve cavity 5；Gap
6。
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1.Reference picture 1-7.A kind of fluid flow constant control valve of the present utility model, including upper valve body (1), under
Valve body (2), cushion (3) and mobilizable valve element (4), the upper valve body (1) are provided with female thread (1.1), the lower valve body (2)
The external screw thread (2.1) being engaged with upper valve body (1) is provided with, upper valve body (1) and lower valve body (2) are connected by internal and external threads and formed
Valve cavity (5) after upper valve body (1) and lower valve body (2) combination, in the valve cavity (5), along upper valve body (1) to lower valve body
(2) axial direction is sequentially provided with cushion (3) with holes and mobilizable valve element (4), and mobilizable valve element (4) is including semicircle
The guide part (4.2) of the sealing (4.1) and cylindrical shape of shape, the outer surface of semicircular sealing (4.1) are provided with projection
(4.4), the circumferential wall of the columnar guide part (4.2) is provided with the valve core through hole (4.3) for being available for liquid communication, the band
The cushion (3) in hole is provided with the sealing surface (3.1) fitted with the semicircular sealing (4.1).The cushion with holes
(3) for cylindric, which is axially arranged with the cushion through hole (3.2) for being available for liquid to flow through, cushion through hole (3.2) it is a diameter of
5mm。
Embodiment 2.Reference picture 1-7.A kind of fluid flow constant control valve of the present utility model, including upper valve body (1), under
Valve body (2), cushion (3) and mobilizable valve element (4), the upper valve body (1) are provided with female thread (1.1), the lower valve body (2)
The external screw thread (2.1) being engaged with upper valve body (1) is provided with, upper valve body (1) and lower valve body (2) are connected by internal and external threads and formed
Valve cavity (5) after upper valve body (1) and lower valve body (2) combination, in the valve cavity (5), along upper valve body (1) to lower valve body
(2) axial direction is sequentially provided with cushion (3) with holes and mobilizable valve element (4), and mobilizable valve element (4) is including semicircle
The guide part (4.2) of the sealing (4.1) and cylindrical shape of shape, the outer surface of semicircular sealing (4.1) are provided with projection
(4.4), the circumferential wall of the columnar guide part (4.2) is provided with the valve core through hole (4.3) for being available for liquid communication, the band
The cushion (3) in hole is provided with the sealing surface (3.1) fitted with the semicircular sealing (4.1).The cushion with holes
(3) for cylindric, which is axially arranged with the cushion through hole (3.2) for being available for liquid to flow through, cushion through hole (3.2) it is a diameter of
0.1mm.The sealing surface (3.1) of the cushion (3) with holes is shaped as hemispherical, the material of the cushion (3) with holes
Matter is rubber, is provided with the gap (6) circulated for liquid between the columnar guide part (4.2) and lower valve body (2), it is described between
The width of gap (6) is 0.2mm.The material of the movable valve core (4) is engineering plastics.The upper valve body (1) and lower valve body (2)
Material be rustless steel.The projection (4.4) is shaped as hemispherical, and the height of the projection (4.4) is 0.2mm.
Embodiment 3.Reference picture 1-7.A kind of fluid flow constant control valve of the present utility model, including upper valve body (1), under
Valve body (2), cushion (3) and mobilizable valve element (4), the upper valve body (1) are provided with female thread (1.1), the lower valve body (2)
The external screw thread (2.1) being engaged with upper valve body (1) is provided with, upper valve body (1) and lower valve body (2) are connected by internal and external threads and formed
Valve cavity (5) after upper valve body (1) and lower valve body (2) combination, in the valve cavity (5), along upper valve body (1) to lower valve body
(2) axial direction is sequentially provided with cushion (3) with holes and mobilizable valve element (4), and mobilizable valve element (4) is including semicircle
The guide part (4.2) of the sealing (4.1) and cylindrical shape of shape, the outer surface of semicircular sealing (4.1) are provided with projection
(4.4), the circumferential wall of the columnar guide part (4.2) is provided with the valve core through hole (4.3) for being available for liquid communication, the band
The cushion (3) in hole is provided with the sealing surface (3.1) fitted with the semicircular sealing (4.1).The cushion with holes
(3) for cylindric, which is axially arranged with the cushion through hole (3.2) for being available for liquid to flow through, cushion through hole (3.2) it is a diameter of
5mm.The sealing surface (3.1) of the cushion (3) with holes is shaped as taper.The material of the cushion (3) with holes is
Silicone rubber.The gap (6) circulated for liquid, the gap are provided between the columnar guide part (4.2) and lower valve body (2)
(6) width is 5mm.The material of the movable valve core (4) is ceramics.The material of the upper valve body (1) and lower valve body (2) is equal
For copper alloy or aluminium alloy.The projection (4.4) is shaped as hemispherical, and the height of the projection (4.4) is 5mm.
Embodiment 4.Reference picture 1-7.A kind of fluid flow constant control valve of the present utility model, including upper valve body (1), under
Valve body (2), cushion (3) and mobilizable valve element (4), the upper valve body (1) are provided with female thread (1.1), the lower valve body (2)
The external screw thread (2.1) being engaged with upper valve body (1) is provided with, upper valve body (1) and lower valve body (2) are connected by internal and external threads and formed
Valve cavity (5) after upper valve body (1) and lower valve body (2) combination, in the valve cavity (5), along upper valve body (1) to lower valve body
(2) axial direction is sequentially provided with cushion (3) with holes and mobilizable valve element (4), and mobilizable valve element (4) is including semicircle
The guide part (4.2) of the sealing (4.1) and cylindrical shape of shape, the outer surface of semicircular sealing (4.1) are provided with projection
(4.4), the circumferential wall of the columnar guide part (4.2) is provided with the valve core through hole (4.3) for being available for liquid communication, the band
The cushion (3) in hole is provided with the sealing surface (3.1) fitted with the semicircular sealing (4.1).The cushion with holes
(3) for cylindric, which is axially arranged with the cushion through hole (3.2) for being available for liquid to flow through, cushion through hole (3.2) it is a diameter of
0.2mm.The sealing surface (3.1) of the cushion (3) with holes is shaped as hemispherical.The material of the cushion (3) with holes
Matter is silica gel.Be provided with the gap (6) circulated for liquid between the columnar guide part (4.2) and lower valve body (2), it is described between
The width of gap (6) is 0.5mm.The material of the movable valve core (4) is engineering plastics.The upper valve body (1) and lower valve body (2)
Material be rustless steel, copper alloy, aluminium alloy or engineering plastics.The projection (4.4) is shaped as hemispherical, the projection
(4.4) height is 1mm.
Embodiment 5.Method of manufacturing technology of the present utility model and parameter are further disclosed directly below by taking embodiment 4 as an example：On
Valve body (1) uses mold injection molding, and its female thread (1.1) is G3/4, and female thread depth 20mm, lower valve body (2) also use mould
Injection mo(u)lding, its external screw thread (2.1) are G3/4, external thread length 19.5mm.Cushion (3) height 10mm, cushion through hole
(3.2) diameter 2mm, height 2mm, its material are silica gel injection mo(u)lding, its external diameter is bigger by 0.5 than the cavity of upper valve body (1) ±
0.1mm, after mobilizable valve element (4) is for engineering plastics injection mo(u)lding, machines 4 valve core through hole (4.4) in its side wall,
Its a diameter of 5mm.A kind of assembling process of volume control device is, has female thread one by what cushion (3) was put into upper valve body (1)
In the cavity at end so that the conical surface of cushion (3), and will be cushion (3) head-to-foot with instrument towards female thread (1.1) direction,
The guide part (4.2) of mobilizable valve element (4) is put in the cavity of external screw thread (2.1) side of lower valve body (2), by upper valve body
(1) tightened by screw thread with lower valve body (2), bottom will be threaded onto, till feeling compression cushion (3).
All explanations not related in specific embodiment of the present utility model belong to techniques known, refer to public affairs
Know that technology is carried out.
This utility model Jing validation trials, achieve satisfied trial effect.
Above specific embodiment and embodiment be to the utility model proposes a kind of fluid flow constant control valve skill
The concrete support of art thought, it is impossible to which protection domain of the present utility model is limited with this, it is every according to the utility model proposes skill
Art thought, any equivalent variations done on the basis of the technical program or equivalent change, still fall within this utility model skill
The scope of art scheme protection.
Claims (8)
1. a kind of fluid flow constant control valve, it is characterised in that：Including upper valve body (1), lower valve body (2), cushion (3) and can
The valve element (4) of activity, the upper valve body (1) are provided with female thread (1.1), and the lower valve body (2) is provided with and is engaged with upper valve body (1)
External screw thread (2.1), upper valve body (1) and lower valve body (2) connect and are formed upper valve body (1) and lower valve body (2) by internal and external threads
In valve cavity (5) after combination, the valve cavity (5), band is sequentially provided with to the axial direction of lower valve body (2) along upper valve body (1)
The cushion (3) and mobilizable valve element (4) in hole, mobilizable valve element (4) include semicircular sealing (4.1) and circle
The guide part (4.2) of tubular, the outer surface of semicircular sealing (4.1) are provided with raised (4.4), the columnar guide part
(4.2) circumferential wall is provided with the valve core through hole (4.3) for being available for liquid communication, the cushion (3) with holes be provided with it is described
The sealing surface (3.1) that semicircular sealing (4.1) is fitted.
2. a kind of fluid flow constant control valve according to claim 1, it is characterised in that：The cushion with holes
(3) for cylindric, which is axially arranged with the cushion through hole (3.2) for being available for liquid to flow through, cushion through hole (3.2) it is a diameter of
0.1-5mm。
3. a kind of fluid flow constant control valve according to claim 2, it is characterised in that：The cushion with holes
(3) sealing surface (3.1) is shaped as hemispherical or taper.
4. a kind of fluid flow constant control valve according to claim 3, it is characterised in that：The cushion with holes
(3) material is rubber, silica gel or silicone rubber.
5. a kind of fluid flow constant control valve according to claim 4, it is characterised in that：The columnar guide part
(4.2) gap (6) circulated for liquid is provided with and lower valve body (2) between, the width of the gap (6) is 0.2-5mm.
6. a kind of fluid flow constant control valve according to claim 5, it is characterised in that：The movable valve core (4)
Material for ceramics or engineering plastics.
7. a kind of fluid flow constant control valve according to claim 6, it is characterised in that：The upper valve body (1) and under
The material of valve body (2) is rustless steel, copper alloy, aluminium alloy or engineering plastics.
8. a kind of fluid flow constant control valve according to any one of claim 1-7, it is characterised in that：The projection
(4.4) be shaped as hemispherical, the height of the projection (4.4) is 0.2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621006783.5U CN206036331U (en) | 2016-08-30 | 2016-08-30 | Liquid flow constant control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621006783.5U CN206036331U (en) | 2016-08-30 | 2016-08-30 | Liquid flow constant control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036331U true CN206036331U (en) | 2017-03-22 |
Family
ID=58299970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621006783.5U Withdrawn - After Issue CN206036331U (en) | 2016-08-30 | 2016-08-30 | Liquid flow constant control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036331U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246975A (en) * | 2016-08-30 | 2016-12-21 | 江苏永冠给排水设备有限公司 | A kind of fluid flow constant control device |
| CN108730574A (en) * | 2018-05-29 | 2018-11-02 | 芜湖澳奔玛汽车部件有限公司 | A kind of pressure valve for air cleaner |
| CN114151561A (en) * | 2021-12-13 | 2022-03-08 | 芜湖创博智能装备有限公司 | Take flow monitoring's motorised valve |
-
2016
- 2016-08-30 CN CN201621006783.5U patent/CN206036331U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246975A (en) * | 2016-08-30 | 2016-12-21 | 江苏永冠给排水设备有限公司 | A kind of fluid flow constant control device |
| CN106246975B (en) * | 2016-08-30 | 2018-09-14 | 江苏永冠给排水设备有限公司 | A kind of fluid flow constant control device |
| CN108730574A (en) * | 2018-05-29 | 2018-11-02 | 芜湖澳奔玛汽车部件有限公司 | A kind of pressure valve for air cleaner |
| CN114151561A (en) * | 2021-12-13 | 2022-03-08 | 芜湖创博智能装备有限公司 | Take flow monitoring's motorised valve |
| CN114151561B (en) * | 2021-12-13 | 2024-03-15 | 芜湖创博智能装备有限公司 | Take flow monitoring's motorised valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170322 Effective date of abandoning: 20180914 |
|
| AV01 | Patent right actively abandoned |