CN106907494B - Valve and proportioning machine - Google Patents
Valve and proportioning machine Download PDFInfo
- Publication number
- CN106907494B CN106907494B CN201710128627.9A CN201710128627A CN106907494B CN 106907494 B CN106907494 B CN 106907494B CN 201710128627 A CN201710128627 A CN 201710128627A CN 106907494 B CN106907494 B CN 106907494B
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- Prior art keywords
- spool
- valve
- fluid
- installation cavity
- outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a kind of valve and proportioning machines.Valve includes valve body and spool.It is formed with installation cavity in valve body, the fluid inlet and fluid outlet being connected with installation cavity are offered on valve body.Spool is movably disposed in installation cavity, is formed with fluid channel in spool, offers water conservancy diversion import and diversion outlet respectively at position corresponding with fluid inlet and fluid outlet on spool, water conservancy diversion import and diversion outlet are connected with fluid channel respectively.When spool is located at open position, water conservancy diversion import is stretched out installation cavity and is connected to fluid inlet, and diversion outlet is connected to fluid outlet；When spool is located at closed position, water conservancy diversion import is retracted in installation cavity and disconnects the connection with fluid inlet.It applies the technical scheme of the present invention during can efficiently solving the problems, such as use because of the problem of fluid is easy easily to nourish bacterium and flow-induced corrosion valve other component caused by remaining on the other component of valve.
Description
Technical field
The present invention relates to flow path control technology fields, in particular to a kind of valve and proportioning machine.
Background technology
Currently, the solenoid valve that the solenoid valve and industrial circle used in field of food use is substantially to be not different.
Above-mentioned basic electromagnetic valve is made of components such as valve body, spring and armature, can be placed in runner similar to some components of spring.
Above-mentioned straight barrel type solenoid valve when in use, due to the isostructural own characteristic of spring, is easy that there are above structures
Surrounding residual fluid easily causes corrosion during being interrupted use, is also easy to nourish bacterium.
Invention content
The main purpose of the present invention is to provide a kind of valve and proportioning machines, are being used with solving valve in the prior art
Because of the problem of fluid is easy easily to nourish bacterium caused by remaining on some components of valve in journey.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of valve, including valve body and spool.
It is formed with installation cavity in valve body, the fluid inlet and fluid outlet being connected with installation cavity are offered on valve body.Spool is movable
Ground is arranged in installation cavity, is formed with fluid channel in spool, position corresponding with fluid inlet and fluid outlet on spool
Place offers water conservancy diversion import and diversion outlet respectively, and water conservancy diversion import and diversion outlet are connected with fluid channel respectively.Spool exists
Open position and closed position are included at least on valve body：When spool is located at open position, water conservancy diversion import stretch out installation cavity and with
Fluid inlet is connected to, and diversion outlet is connected to fluid outlet；When spool is located at closed position, water conservancy diversion import is retracted to installation cavity
Interior and disconnection and fluid inlet connection.
Further, valve further includes seal cap, one end positioned at fluid inlet side that seal cap is arranged on spool, or
One end positioned at fluid outlet side that person's seal cap is arranged on spool, when spool is located at closed position, seal cap is sealed on
On the intercommunicating pore of fluid inlet and installation cavity or seal cap is sealed on the intercommunicating pore of fluid outlet and installation cavity.
Further, seal cap is permanent magnet, and when spool is located at closed position, permanent magnet can close fluid channel.
Further, spool is straight tubular construction, and the first end of straight barrel type structure is shut, and seal cap is mounted on straight barrel type knot
In the first end of structure, water conservancy diversion import be opened in straight barrel type structure on the side of its first end, the of straight barrel type structure
Two ends form diversion outlet.
Further, valve further includes actuator, and actuator is mounted on valve body, and is drivingly connected with spool, actuator
For driving spool to switch between open and closed positions.
Further, actuator includes coil component and armature assembly, and coil component is mounted on valve body, armature assembly peace
On spool, coil component realizes the switching of spool between open and closed positions by coordinating with armature assembly.
Further, coil component includes energized state and off-position, when coil component is located at energized state, coil part
Part attracts armature assembly driving spool to be moved to open position, and actuator further includes elastic reseting part, elastic reseting part peace
Between spool and valve body, when coil component is located at off-position, elastic reseting part is used in driving spool from open position
It sets and is moved to closed position.
Further, elastic reseting part is spring, and spring is set in the outside of spool.
Further, spring mountings are formed in installation cavity, spring is mounted in spring mountings, and and armature assembly
Cooperation abuts.
Further, sealing element is installed between spool and installation cavity.
Further, sealing element includes first seal and second seal, first seal be mounted on spool with
At the mutually close position of fluid inlet, second seal is mounted at the position mutually close with fluid outlet on spool.
Further, first seal and/or second seal are folding sealing part, and first seal is mounted on fluid
At the intercommunicating pore of import and installation cavity, second seal is mounted at the intercommunicating pore of fluid outlet and installation cavity.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of proportioning machine, including valve, valve
For above-mentioned valve.
It applies the technical scheme of the present invention, fluid inlet is for introducing fluid, and fluid outlet is for drawing fluid.It uses
When, if spool has been switched to open position, the water conservancy diversion import on spool can stretch out installation cavity and directly be connected with fluid inlet
It is logical.The fluid introduced in fluid inlet will be directly entered in fluid inlet, and then flow to diversion outlet along fluid channel, then
It exports and flows out from diversion outlet incoming fluid.If spool has been switched to closed position, water conservancy diversion import has just been recovered to installation cavity
Inside it is disconnected the connection with fluid inlet.Since water conservancy diversion import is directly connected to fluid inlet, fluid can be directly along fluid
Channel flows to fluid outlet outflow from fluid inlet, avoids fluid and is in contact or remains in the other component of valve valve
On other component, just solves use in the process because fluid is easy easily to nourish caused by remaining on the other component of valve
The problem of the problem of bacterium and flow-induced corrosion valve other component.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The Figure of description for constituting the part of the present invention is used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the broken isometric structural schematic diagram of the embodiment one of valve according to the present invention；
Fig. 2 shows the main structure diagrams of the valve of Fig. 1；
Fig. 3 shows enlarged structure schematic diagram at the A in Fig. 2；
Fig. 4 shows the cross-sectional view of the embodiment two of valve according to the present invention；
Fig. 5 shows enlarged structure schematic diagram at the B of Fig. 4；
Fig. 6 shows the diagrammatic cross-section of the embodiment of the present invention two.Wherein, above-mentioned attached drawing includes the following drawings label：
10, valve body；11, installation cavity；12, fluid inlet；13, fluid outlet；20, spool；21, fluid channel；22, water conservancy diversion
Import；23, diversion outlet；24, push rod；30, seal cap；31, permanent magnet；32, sealing ring；40, actuator；41, coil component；
42, armature assembly；43, elastic reseting part；51, first seal；52, second seal.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Term can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include without clear
It is listing to Chu or for these processes, method, product or equipment intrinsic other steps or unit.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, attached each portion shown in the drawings
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It need not be further discussed in figure.
Fig. 1 and Fig. 2 shows the present invention valve embodiment one, which includes valve body 10 and spool 20.In valve body 10
It is formed with installation cavity 11, the fluid inlet 12 being connected with installation cavity 11 and fluid outlet 13 are offered on valve body 10.Spool 20
Be movably disposed in installation cavity 11, be formed with fluid channel 21 in spool 20, on spool 20 with fluid inlet 12 and fluid
It exports and offers water conservancy diversion import 22 and diversion outlet 23 at 13 corresponding positions respectively, water conservancy diversion import 22 and diversion outlet 23 divide
It is not connected with fluid channel 21.Spool 20 includes open position and closed position on valve body 10.It is opened when spool 20 is located at
When position, water conservancy diversion import 22 is stretched out installation cavity 11 and is connected to fluid inlet 12, and diversion outlet 23 is connected to fluid outlet 13；Work as valve
When core 20 is located at closed position, water conservancy diversion import 22 is retracted in installation cavity 11 and disconnects the connection with fluid inlet 12.
The technical solution of Application Example one, fluid inlet 12 is for introducing fluid, and fluid outlet 13 is for drawing fluid.
In use, if spool 20 has been switched to open position, the water conservancy diversion import 22 on spool 20 can stretch out installation cavity 11 directly with
Fluid inlet 12 is connected.The fluid introduced in fluid inlet 12 will be directly entered in fluid inlet 12, and then along fluid
Channel 21 flows to diversion outlet 23, then is flowed out from 23 incoming fluid of diversion outlet outlet 13.If spool 20 has been switched to closing
Position, water conservancy diversion import 22 have just been recovered to the connection being disconnected in installation cavity 11 with fluid inlet 12.Since water conservancy diversion import 22 is straight
It connecing and is connected to fluid inlet 12, fluid directly can flow to fluid outlet 13 from fluid inlet 12 along fluid channel 21 and flow out,
Fluid is avoided to be in contact or remain on the other component of valve with the other component of valve, just solve during use because
The problem of being easy easily to nourish bacterium caused by remaining on the other component of valve for fluid and other portions of flow-induced corrosion valve
The problem of part.
As shown in Figures 2 and 3, in the technical solution of embodiment one, valve further includes seal cap 30, and seal cap 30 is arranged
One end positioned at 12 side of fluid inlet on spool 20, when spool 20 is located at closed position, seal cap 30 is sealed on fluid
On the intercommunicating pore of import 12 and installation cavity 11.When spool 20 is located at closed position, due to have seal cap 30 cover fluid into
The intercommunicating pore of mouth 12 and installation cavity 11, can enter other of valve to avoid gap of the fluid between spool 20 and installation cavity 11
It is contacted with other component in space, or avoids entering in water conservancy diversion import 22 from fluid from above-mentioned gap.
Optionally, seal cap 30 is rubber cap.
As an alternative embodiment, seal cap 30 can also be arranged is located at 13 side of fluid outlet on spool 20
One end, when spool 20 is located at closed position, seal cap 30 is sealed on the intercommunicating pore of fluid outlet 13 and installation cavity 11.This
When, seal cap 30 can play the role of more efficiently sealing fluid outlet 13, and fluid is avoided to be leaked from fluid outlet 13.?
The technical solution of embodiment one, as shown in Fig. 2, spool 20 is straight tubular construction, the first end of straight barrel type structure is shut, seal cap
30 are mounted in the first end of straight barrel type structure.Water conservancy diversion import 22 is opened in the side of its close first end in straight barrel type structure
On, the second end of straight barrel type structure forms diversion outlet 23.When spool 20 is located at closed position, water conservancy diversion import 22 is collected in peace
It behave affectedly in 11, the intercommunicating pore of seal cap 30 complete fluid-tight import 12 and installation cavity 11, no fluid can pass through fluid inlet
12.When spool 20 is located at open position, the first end of spool 20 jacks up seal cap 30, and water conservancy diversion import 22 puts in fluid inlet 12
Interior, fluid enters from the side of the first end of spool 20 in water conservancy diversion import 22, and then from 20 second end diversion outlet of spool, 23 row
Enter to fluid outlet 13.Since spool 20 is straight tubular construction, relative to the valve core structure in current solenoid valve, pressure damage
Smaller is lost, the pressure loss of runner is reduced, improves the cleannes of pipeline.
Optionally, above-mentioned water conservancy diversion import 22 can be round, ellipse or rectangular, naturally it is also possible to be other polygon
Shape shape.
In the technical solution of embodiment one, valve further includes actuator 40, and actuator 40 is mounted on valve body 10, and with
Spool 20 is drivingly connected, and actuator 40 is for driving spool 20 to switch between open and closed positions.Pass through actuator
40 can easily drive spool 20 to switch between open and closed positions.
Optionally, as shown in Fig. 2, in embodiment one, actuator 40 includes coil component 41 and armature assembly 42.Coil
Component 41 is mounted on valve body 10, and armature assembly 42 is mounted on spool 20, and coil component 41 with armature assembly 42 by coordinating
Realize the switching of spool 20 between open and closed positions.By that 41 power on/off of coil component, can allow coil part
Part 41 acts power to spool 20, allows the switching of spool 20 between open and closed positions.Optionally, armature assembly
42 can be integrally formed with spool 20.In addition, armature assembly 42 can also be to be additionally installed on spool 20, armature portion
Part 42 can be connect by connector with the mounting means of spool 20, can also be direct welding.
As an alternative embodiment, actuator 40 can also be adopted other than using above-mentioned electric drive mode
The switching of spool 20 between open and closed positions is driven with the mode of manual actuation.
In the technical solution of embodiment one, coil component 41 includes energized state and off-position, coil component 41
When energized state, coil component 41 attracts armature assembly 42 that spool 20 is driven to be moved to open position.When needing spool 20
It is moved to open position, energized state is to the energization of coil component 41.
As shown in Fig. 2, in the technical solution of embodiment one, actuator 40 further includes elastic reseting part 43, and elasticity is multiple
Position component 43 is mounted between spool 20 and valve body 10.When coil component 41 is located at off-position, elastic reseting part 43 is used for
In driving spool 20 closed position is moved to from open position.In this way, passing through a coil component 41 and an elastic reset portion
The cooperation of part 43 can be achieved with that spool 20 is allowed between open and closed positions to switch.Optionally, elastic reseting part 43
For spring, spring is set in the outside of spool 20.For the ease of installation spring, spring mountings are formed in installation cavity 11,
Spring is mounted in spring mountings, and is abutted with the cooperation of armature assembly 42.When coil component 41 is in energized state, coil
Component 41 attracts spool 20 to move upwards so that spool 20 is in an open position, at this time 20 compressed spring of spool.Work as coil component
41 when being in off-position, and coil component 41 does not act power to spool 20, and spring, which generates, replys power drive spool 20 and move
To closed position.Since spring has been mounted on the outside of spool 20, can also avoid contacting with fluid completely.
As shown in Figures 2 and 3, sealing element is installed between spool 20 and installation cavity 11.Sealing element is used for sealed valve core
Gap between 20 and installation cavity 11 avoids fluid in the gap between spool 20 and installation cavity 11.
Optionally, in embodiment one, sealing element includes first seal 51 and second seal 52, first seal 51
At the position mutually close with fluid inlet 12 on spool 20, second seal 52 is mounted on spool 20 and fluid
It exports at 13 mutually close positions.First seal 51 is for sealing between the spool 20 at fluid inlet 12 and installation cavity 11
Gap, to prevent fluid from being flowed into the gap between spool 20 and installation cavity 11 from fluid inlet 12.Second seal is used for
The spool 20 at fluid outlet 13 and the gap between installation cavity 11 are sealed, to prevent fluid from being flow backwards into valve from fluid outlet 13
In gap between core 20 and installation cavity 11.
Fig. 4 and Fig. 5 shows the embodiment two of the valve of the present invention, in the technical solution of embodiment two, the first sealing
Part 51 and second seal 52 are folding sealing part, and first seal 51 is mounted on the connection of fluid inlet 12 and installation cavity 11
At hole, second seal 52 is mounted at the intercommunicating pore of fluid outlet 13 and installation cavity 11.Folding sealing part can be with valve
The movement of the end of core 20 and be unfolded, can preferably seal up the intercommunicating pore and spool 20 of fluid inlet 12 and installation cavity 11
Gap and the gap of fluid outlet 13 and the intercommunicating pore and spool 20 of installation cavity 11.
As an alternative embodiment, first seal 51 and second seal 52 can also be y-type seal ring or
Person's O-ring seal.
The embodiment of the present invention two, as shown in fig. 6, seal cap 30 can also be permanent magnet 31, permanent magnet 31, which is fixed on, to be pushed away
24 top of bar, the gap between push rod 24 and valve body 10 constitute fluid flow passageway.When spool 20 is located at closed position, permanent magnetism
Body 31 is adsorbed and is sealed in the communicating passage of fluid outlet 13 and installation cavity 11.The suction of magnet can be utilized using permanent magnet 31
Power keeps the leakproofness of valve, without using spring.In order to preferably realize sealing effect, extend permanent magnet 31 uses the longevity
Life, can be arranged rubber layer, such as sealing ring is arranged on valve body 10 at 31 connecting end surface of valve body 10 and/or permanent magnet at this time,
Or wrap up silastic-layer etc. in 31 outer surface of permanent magnet.Permanent magnet 31 can be fixed on push rod 24 by fixing nut,
It can also be by being welded and fixed.Permanent magnet 31 can integrally be used as seal cap 30, can also be and be embedded in seal cap 30, as close
A part for sealing cap 30.Push rod 24 and fixing nut are non-magnet material.As an alternative embodiment, permanent magnet 31
It can also be arranged as required in the other positions of valve body 10, as long as can ensure that permanent magnet 31 can adsorb spool 20, rise
To the effect for closing valve.
As an alternative embodiment, permanent magnet 31 can also be fixed on the top of straight barrel type spool 20.
The present invention also provides a kind of proportioning machine, which includes above-mentioned valve.Just with the proportioning machine of above-mentioned valve,
Due to the service life higher of valve, and more sanitation and hygiene, it is reliable to use more safety and sanitation, health.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, the orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
Signified device or element must have a particular orientation or with specific azimuth configuration and operations with hint, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of valve, including：
Valve body is formed with installation cavity in the valve body, the fluid inlet being connected with the installation cavity is offered on the valve body
And fluid outlet；
Spool is movably disposed in the installation cavity, and fluid channel is formed in the spool；
It is characterized in that, being offered respectively at position corresponding with the fluid inlet and the fluid outlet on the spool
Water conservancy diversion import and diversion outlet, the water conservancy diversion import and the diversion outlet are connected with the fluid channel respectively；
The spool includes at least open position and closed position on the valve body：When the spool is located at the open position
When, the water conservancy diversion import is stretched out the installation cavity and is connected to the fluid inlet, the diversion outlet and the fluid outlet
Connection；When the spool is located at the closed position, the water conservancy diversion import be retracted in the installation cavity and disconnect with it is described
The connection of fluid inlet.
2. valve according to claim 1, which is characterized in that the valve further includes seal cap, the seal cap setting
It is located at institute positioned at what one end of the fluid inlet side or the seal cap were arranged on the spool on the spool
The one end for stating fluid outlet side, when the spool is located at the closed position, the seal cap is sealed on the fluid inlet
With on the intercommunicating pore of the installation cavity or the seal cap is sealed on the intercommunicating pore of the fluid outlet and the installation cavity
On.
3. valve according to claim 2, which is characterized in that the seal cap is permanent magnet, when the spool is located at institute
When stating closed position, the permanent magnet can close fluid channel.
4. valve according to claim 2, which is characterized in that the spool is straight barrel type structure, the straight barrel type structure
First end shut, the seal cap is mounted in the first end of the straight barrel type structure, and the water conservancy diversion import is opened in described
On the side of its close first end in straight barrel type structure, the second end of the straight barrel type structure forms the diversion outlet.
5. valve according to claim 1, which is characterized in that the valve further includes actuator, the actuator installation
Be drivingly connected on the valve body, and with the spool, the actuator for driving the spool in the open position and
Switch between the closed position.
6. valve according to claim 5, which is characterized in that the actuator includes coil component and armature assembly, institute
Coil component is stated on the valve body, the armature assembly is mounted on the spool, the coil component by with institute
It states armature assembly cooperation and realizes switching of the spool between the open position and the closed position.
7. valve according to claim 6, which is characterized in that the coil component includes energized state and off-position,
When the coil component is located at the energized state, the coil component attracts the armature assembly that the spool is driven to be moved to
The open position, the actuator further include elastic reseting part, and the elastic reseting part is mounted on the spool and institute
Between stating valve body, when the coil component is located at the off-position, the elastic reseting part is used to drive the spool
It is moved to the closed position from the open position.
8. valve according to claim 7, which is characterized in that the elastic reseting part is spring, and the spring is arranged
In the outside of the spool.
9. valve according to claim 8, which is characterized in that be formed with spring mountings, the bullet in the installation cavity
Spring is mounted in the spring mountings, and is abutted with armature assembly cooperation.
10. valve according to claim 1, which is characterized in that be equipped with sealing between the spool and the installation cavity
Part.
11. valve according to claim 10, which is characterized in that the sealing element includes first seal and the second sealing
Part, the first seal are mounted at the position mutually close with the fluid inlet on the spool, second sealing
Part is mounted at the position mutually close with the fluid outlet on the spool.
12. valve according to claim 11, which is characterized in that the first seal and/or the second seal
For folding sealing part, the first seal be mounted on the fluid inlet at the intercommunicating pore of the installation cavity, described the
Two sealing elements are mounted at the intercommunicating pore of the fluid outlet and the installation cavity.
13. a kind of proportioning machine, including valve, which is characterized in that the valve is the valve described in any one of claim 1 to 12
Door.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025004 | 2017-01-13 | ||
| CN2017100250049 | 2017-01-13 |
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| Publication Number | Publication Date |
|---|---|
| CN106907494A CN106907494A (en) | 2017-06-30 |
| CN106907494B true CN106907494B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128627.9A Active CN106907494B (en) | 2017-01-13 | 2017-03-06 | Valve and proportioning machine |
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| CN (1) | CN106907494B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018001118A1 (en) * | 2018-02-12 | 2019-08-14 | A. Kayser Automotive Systems Gmbh | Tank venting valve, tank venting system and method of keeping an electromagnetically operated valve open |
| CN110195790B (en) * | 2018-02-26 | 2020-10-02 | 江苏美的清洁电器股份有限公司 | Waterway switching device, waterway system of dust collector and dust collector |
| CN112797205B (en) * | 2021-01-29 | 2022-09-09 | 无锡大道环境科技有限公司 | Fluid pressure two-position three-way control valve |
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