CN209511190U - Solenoid valve - Google Patents
Solenoid valve Download PDFInfo
- Publication number
- CN209511190U CN209511190U CN201822221385.0U CN201822221385U CN209511190U CN 209511190 U CN209511190 U CN 209511190U CN 201822221385 U CN201822221385 U CN 201822221385U CN 209511190 U CN209511190 U CN 209511190U
- Authority
- CN
- China
- Prior art keywords
- cavity
- spool
- electromagnetic component
- seal section
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Solenoid valve is three-position three-way valve, including valve body, the first electromagnetic component, the second electromagnetic component, further include: the first spool, it is slidably disposed in the first cavity of valve body, the rear end of first spool can be abutted with the first electromagnetic component, and the front end of the first spool is provided with closure or opens the first seal of the first cavity of connection valve body and the first communication path of the second cavity；Second spool, it is slidably disposed in the third cavity of valve body, the rear end of second spool can be abutted with the second electromagnetic component, and the front end of the second spool is provided with closure or opens the second seal of the second communication path of connection third cavity and the second cavity；First elastic component is arranged between the front end of first spool and the front end of second spool.The solenoid valve of the utility model can independently control closure or opening between different cavitys using different spools respectively, can greatly shorten the stroke of spool walking.
Description
Technical field
The utility model relates to fluid circuit control field more particularly to solenoid valves.
Background technique
Solenoid valve is electromagnetically controlled industrial part, real by the switching of the spool position inside control solenoid valve
Now control the functions such as direction, flow, the speed of fluid.Solenoid valve is distinguished according to type of fluid, can be divided into hydraulic valve and air pressure valve；
It is distinguished according to driving method, Direct Action Type and pilot-operated type can be divided into；It is distinguished according to the positional number that interface quantity and spool can stop, it can
It is divided into two five logical, 3 position-5 way, two-bit triplet, 3-position-3-way solenoid valves etc..
Existing 3-position-3-way solenoid valve generally includes two electromagnet, a spool, the position for needing to switch due to spool
It sets there are three tools, when being switched to rightmost position from leftmost bit, the stroke that spool needs to walk is longer, when this causes solenoid valve corresponding
Between it is longer, also, the stroke of spool sliding is long, the phenomenon that being also easy to appear clamping stagnation.
Utility model content
The utility model in view of the above technical problems, in order to reduce the stroke that spool needs to walk, proposes a kind of electromagnetism
Valve.
Solenoid valve, including valve body, the first electromagnetic component, the second electromagnetic component, first electromagnetic component, second electricity
Magnet assembly is separately mounted to the both ends of the valve body, and the valve body is internally provided with the first interconnected cavity, the second chamber
Body, third cavity, wherein first cavity is connected to the side of second cavity, the third cavity and described second
The other side of cavity is connected to, and the valve body is respectively arranged with from outside and penetrates into the first interface of first cavity, from outside
It penetrates into the second interface of second cavity and penetrates into the third interface of the third cavity from outside, further includes: first
Spool is slidably disposed in first cavity, and the rear end of first spool can be with first electromagnetic component
It abuts, the front end of first spool is provided with that closure or open is connected to first cavity and second cavity
The first seal of one communication path；Second spool is slidably disposed in the third cavity, second spool
Rear end can be abutted with second electromagnetic component, and the front end of second spool is provided with closure or opens described in connection
The second seal of second communication path of third cavity and second cavity；First elastic component is arranged described first
Between the front end of spool and the front end of second spool, one end abuts the front end of first spool, and the other end supports
Connect the front end of second spool.
Preferably, between the front end of first spool and the middle part of first spool, it is formed with first step
Face, the first seal include the first primary seal section being coated on the First terrace, the first primary seal section
Outer diameter is greater than the internal diameter of first cavity and is accommodated in second cavity.
It is further preferred that the internal diameter of second cavity is greater than the internal diameter of first cavity, first spool
The outer diameter of middle part is less than the internal diameter of first cavity, and first communication path is formed in the middle part of first spool
Between first cavity, second cavity is provided with the first bearing surface in the side for being located at first cavity；It is described
When first electromagnetic component powers off, the first spool described in first resilient element urges slided towards first electromagnetic component so that
The first primary seal section is bonded with first bearing surface；When first electromagnetic component is powered, first electromagnetic component
It pushes first spool to compress first elastic component and slides, so that the first primary seal section and first bearing surface
Separation.
Preferably, the first seal further includes the first auxiliary seal for being coated on the middle part of first spool
Section, the first auxiliary seal section and the first primary seal section are integrally formed.
It is further preferred that the first seal further include coat the front end of first spool outer peripheral surface
Two auxiliary seal sections, the second auxiliary seal section and the first primary seal section are integrally formed, the second auxiliary seal section
Front end be provided with chamfering.
It is further preferred that being provided with recess portion, the recess portion and institute on the outer peripheral surface of the front end of first spool
The connection of First terrace is stated, the second auxiliary seal section coats the recess portion and the radial direction along the front end of first spool
Protrude from the outer peripheral surface of the front end of first spool.
Preferably, between the front end of second spool and the middle part of second spool, it is formed with second step
Face, the second seal include the second primary seal section being coated on the second step face；The internal diameter of second cavity
Greater than the internal diameter of the third cavity, the outer diameter of the middle part of second spool is less than the internal diameter of the third cavity, described
The outer diameter of second primary seal section is greater than the internal diameter of the third cavity and is accommodated in second cavity, second connection
Path is formed between the middle part of second spool and the third cavity, and second cavity is being located at second chamber
The side of body is provided with the second bearing surface；When second electromagnetic component powers off, the second valve described in first resilient element urges
Core is slided towards second electromagnetic component so that the second primary seal section is bonded with second bearing surface；Second electricity
When magnet assembly is powered, second electromagnetic component pushes second spool to compress first elastic component and slides, so that institute
The second primary seal section is stated to separate with second bearing surface.
Preferably, on the outer peripheral surface of the rear end of first spool, the first spool guide collar, second valve are embedded with
On the circumferential surface of the rear end of core, it is embedded with the second spool guide collar.
Preferably, first spool is 0.5mm-1mm in the intracorporal sliding stroke of the first chamber；Second spool
It is 0.5mm-1mm in the intracorporal sliding stroke of third chamber.
Solenoid valve, including valve body, the first electromagnetic component, the second electromagnetic component, first electromagnetic component, second electricity
Magnet assembly is separately mounted to the both ends of the valve body, and the valve body is internally provided with the first interconnected cavity, the second chamber
Body, third cavity, wherein first cavity is connected to the side of second cavity, the third cavity and described second
The other side of cavity is connected to, and the valve body is respectively arranged with from outside and penetrates into the first interface of first cavity, from outside
It penetrates into the second interface of second cavity and penetrates into the third interface of the third cavity from outside, which is characterized in that
Further include: the first spool is slidably disposed in first cavity, and the rear end of first spool can be with described
One electromagnetic component abuts, and the front end of first spool abuts with one end of the first elastic component, first elastic component it is another
One end abuts on the first side wall of second cavity side opposite with first cavity, the front end of first spool
Portion is provided with closure or opens the first seal for being connected to the first communication path of first cavity and second cavity；
Second spool is slidably disposed in the third cavity, and the rear end of second spool can be with second electromagnetism
Component abuts, and the front end of second spool is abutted with the second elastic component, and the other end of second elastic component abuts to institute
In the second sidewall for stating the second cavity side opposite with the third cavity, the front end of second spool is provided with closure
Or open the second seal for being connected to the second communication path of the third cavity and second cavity.
The utility model due to be provided with the first electromagnetic component, the second electromagnetic component, and individually control the first spool,
Second spool, wherein being provided with closure on the first spool or opening the first communication path of connection the first cavity and the second cavity
First seal, closure is provided on the second spool or opens the second communication path of connection third cavity and the second cavity
Second seal, therefore, the solenoid valve of the utility model can independently control different chambers using different spools respectively
Closure or opening between body can greatly shorten the stroke of spool walking.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the solenoid valve of the first embodiment of the utility model；
Fig. 2 is the cross-sectional view of the valve body of the solenoid valve of Fig. 1；
Fig. 3 is the figure for indicating the valve body and spool, the assembly relation of the first elastic component of the solenoid valve of Fig. 1；
Fig. 4 is the cross-sectional view of the first spool of Fig. 1.
Specific embodiment
Referring to the drawings, it elaborates to the utility model.It should be pointed out that the utility model can be with many
Different modes are realized, however it is not limited to embodiment described herein, on the contrary, the purpose of providing these embodiments is to make this
The technical staff in field is more thorough and comprehensive to content understanding disclosed in the utility model.
In addition, the description that principle according to the present utility model carries out illustrative embodiment is intended to come in conjunction with attached drawing
It is read, a part of entire printed instructions will be considered.In the description of disclosed the embodiments of the present invention,
The reference in any direction or orientation is intended merely to facilitate explanation, and is not intended to limit the model of the utility model in any way
It encloses.Relational language such as " front ", " back side ", " left side ", " right side ", " outside ", " inside ", " end ", " middle part ", " interior
Portion ", " outside ", " lower part ", " top ", " horizontal ", " vertical ", " top ", " lower section ", " upward ", " downward ",
" top " and " bottom ") and its derivative (for example, " horizontally ", " down ", " upward " etc.) should be interpreted hereafter
Orientation shown in the drawings described or under discussion.These relational languages cannot require equipment only for convenience of purposes of discussion
It is constructed or is operated according to particular orientation, unless there are clearly stating.Therefore, the utility model should not be definitely limited to pair
Can individualism or the feature present in other feature combination the example that is illustrated of some possible non-limiting combinations
Property embodiment；The protection scope of the utility model is defined by the following claims.
As currently imagining, this disclosure describes the optimization model or practice model of the utility model.The utility model
It is not intended to be understood from limitation level, but the utility model example only used for explanation is provided in conjunction with the accompanying drawings,
The advantages of to inform those skilled in the art's the utility model and construction.It is identical attached in the various views of attached drawing
Icon note refers to the same or similar component.
The first embodiment
Fig. 1 is the cross-sectional view of the solenoid valve of the first embodiment of the utility model, and Fig. 2 is the valve body 1 of the solenoid valve of Fig. 1
Cross-sectional view.Referring to Fig.1, Fig. 2, solenoid valve, including valve body 1, the first electromagnetic component 2a, the second electromagnetic component 2b, the first electromagnetism
Component 2a, the second electromagnetic component 2b are separately mounted to the both ends of valve body 1.Valve body 1 is internally provided with the first interconnected chamber
Body 101, the second cavity 102, third cavity 103, wherein the first cavity 101 is connected to the side of the second cavity 102, third chamber
Body 103 is connected to the other side of the second cavity 102.First cavity 101, the second cavity 102, third cavity 103 are substantially in cylinder
It is poroid, and be linearly connected to, the second cavity 102 is arranged between the first cavity 101 and third cavity 103.That is: the first chamber
The axle center of body 101, the second cavity 102 and third cavity 103 is substantially conllinear.
Valve body 1 is respectively arranged with from outside and penetrates into the first interface 104 of the first cavity 101, penetrates into second from outside
The second interface 105 of cavity 102 and the third interface 106 that third cavity 103 is penetrated into from outside.First interface 104, second connect
Mouth 105, third interface 106, are provided with screw thread, for connecting with well known pipe fitting, as gas-tpe fitting, hydraulic fitting connect
It connects.Valve body 1 can will penetrate through 104 He of first interface of the first cavity 101 as the setting of the valve body 1 of well known solenoid valve
The setting of third interface 106 of third cavity 103 is penetrated through in the same side, the setting of second interface 105 for penetrating through the second cavity 102 is existed
The side opposite with first interface 104, the setting position of third interface 106.
Therefore, the solenoid valve of the present embodiment, the actually solenoid valve of twin coil 3-position-3-way.
First electromagnetic component 2a, the second electromagnetic component 2b pass through screw locking to the both ends of valve body 1, the position of fitting respectively
It sets, is sealed using sealing ring 201, sealing ring is sealing ring well known in the art, such as rubber seal.Wherein, herein, first
Electromagnetic component 2a and the second electromagnetic component 2b can be the identical electromagnetic component of model.For the ease of distinguishing, according to two electromagnetism
The position of component in the accompanying drawings, the first electromagnetic component 2a are also referred to as left side electromagnetic component, and the second electromagnetic component 2b is also referred to as right side
Electromagnetic component.Electromagnetic component can be well known electromagnetic component, including electromagnetic coil 202, determine armature 203, moving armature 204, top
Needle 205 is determined armature 203 and is embedded in 206 exit of counterbore of electromagnetic coil 202, and moving armature 204 is embedded in electromagnetic coil 202
In counterbore 206, and it is between 206 bottom of counterbore for determining armature 203 and electromagnetic coil 202.Determine armature 203 be provided with perforation its
The axially extending bore in axle center, thimble 205 are accommodated in the axially extending bore for determining armature 203, and can be contacted with moving armature 204.Dynamic rank
Iron 204 has certain activity, such as 0.5mm-1.5mm in the counterbore 206 of electromagnetic coil 202.When electromagnetic component is powered
When, determine armature 203 and attracts moving armature 204, so that moving armature 204 contacts in the counterbore 206 of electromagnetic coil 202 with thimble 205,
And thimble 205 is pushed to slide in the axially extending bore for determining armature 203.
As described above, the first cavity 101 is connected to the side of the second cavity 102, i.e. the side and second of the first cavity 101
The side of cavity 102 is connected to, the outside of the other side perforation valve body 1 of the first cavity 101, also, when electromagnetic component 2a, 2b pass through
When sealing ring 201 is installed to valve body 1, the other side of the first cavity 101 and 206 open communication of counterbore of electromagnetic coil 202.
Fig. 3 is the figure of the valve body 1 and spool 4a/4b for indicating the solenoid valve of Fig. 1, the assembly relation of the first elastic component 7, is continued
Referring to Fig.1, Fig. 2, and referring to Fig. 3, there are two spool 4a, 4b for the solenoid valve tool of the present embodiment, here, for the ease of distinguishing, point
It is also known as the first spool 4a (also referred to as left side spool), the second spool 4b (also referred to as right side spool).Wherein, the first spool 4a can
It is slidably embedded in the first cavity 101, the rear end 401a of the first spool 4a can be with the first electromagnetic component 2a (i.e. left side electromagnetism
Component) it abuts, the front end 402a of the first spool 4a is abutted with the first elastic component 7, the front end 402a setting of the first spool 4a
There is closure or opens the first seal 41a of the first communication path 5 of the first cavity 101 of connection and the second cavity 102.Second
Spool 4b equally can be slidably embedded in third cavity 103, and the rear end 401b of the second spool 4b can be with the second electromagnetic component
2b (i.e. right side electromagnetic component) is abutted, and the front end 402b of the second spool 4b is abutted with the first elastic component 7, before the second spool 4b
End 402b is provided with closure or opens the second close of connection third cavity 103 and the second communication path 6 of the second cavity 102
Sealing 41b.
In the present embodiment, the first cavity 101 and third cavity 103 are symmetrical centered on the second cavity 102, the first spool
4a and the second spool 4b structure having the same, therefore, the first elastic component 7 is disposed substantially at the front end of the first spool 4a
Between 402a and the front end 402b of the second spool 4b, one end abuts the front end 402a of the first spool 4a, and the other end abuts the
The front end 402b of two spool 4b.Here, being only illustrated to the first cavity 101, the second cavity 102 and the first spool 4a, save
The slightly explanation of third cavity 103 and the second spool 4b.
The thimble 205 of first electromagnetic component 2a can abut to rear end 401a (the i.e. left side spool of the first spool 4a
Left part) end face on and push the first spool 4a sliding.Specifically, when the first electromagnetic component 2a is powered, moving armature 204 is pushed away
Dynamic thimble 205 is slided towards the first cavity 101, and abuts the end face of the rear end 401a of the first spool 4a, the first electromagnetic component
2a is greater than the elastic force of the first elastic component 7 by the power that thimble 205 is applied to the first spool 4a, compresses the first elastic component 7, from
And the first spool 4a is slided towards the second cavity 102, (i.e. first connects for the junction of the first cavity 101 and the second cavity 102
Path 5) it is opened.At this point, fluid is via first when inputting fluid (including gas and liquid) by first interface 104
Cavity 101, the first communication path 5, the second cavity 102, second interface 105 and flow out.Alternatively, when the occasions such as vacuumizing, then
Gas via second interface 105, the second cavity 102, the first communication path 5, the first cavity 101 and be extracted.It needs to illustrate
It is that the first elastic component 7 can be compressed spring well known to solenoid valve market, in addition to this, in the present embodiment, especially exists
When fluid is gas, or in the occasion vacuumized, the stroke as needed for opening the first communication path 5 is very short, usually only
Need 0.5mm-1mm, therefore, the first elastic component 7 is also possible to flexible material itself, as silica gel, polyurethane, rubber,
The columnar part that the materials such as gel are process.
In such a configuration, when the first communication path 5 is opened, the first elastic component 7 is in compressed state, pressure
The first elastic component 7 under contracting state is applied with bigger power to the front end 402b of the second spool 4b.That is, when the first company
When path 5 is opened, the first elastic component 7 has further assured that the leakproofness of the second communication path 6.Similarly, when second connects
When path 6 is opened, the first elastic component 7 has also further ensured that the leakproofness of the first communication path 5.
In addition, due to when electromagnetic component 2a, 2b are powered each communication path 5,6 just open, when power-off, each communication path
5, it 6 blocks.It is accordingly possible to ensure during practical application, when there is the case where unexpected power-off in electromagnetic component 2a, 2b,
The first communication path 5, the second communication path 6 of solenoid valve are blocked, so that it is guaranteed that solenoid valve is in the state of middle envelope, are guaranteed
The safety of equipment.
First cavity 101 is identical as the internal diameter of third cavity 103, the internal diameter of the second cavity 102 be greater than the first cavity 101,
The internal diameter of third cavity 103.The front end 402a of first spool 4a is reached in the second cavity 102, the front end of the first spool 4a
The outer diameter D 2 of middle part 403a of the outer diameter D 1 of portion 402a greater than the first spool 4a is equal to or slightly smaller than the first cavity 101
Internal diameter, to ensure that the front end 402a of the first spool 4a can be reached in the second cavity 102 via the first cavity 101.First
Outer diameter D 2 of the outer diameter D 3 of the rear end 401a of spool 4a also greater than the middle part 403a of the first spool 4a, the first spool 4a's
Rear end 401a is slided in the first spool 4a, on the circumferential surface of the rear end 401a of the first spool 4a, is embedded with sealing ring respectively
43a and the first spool guide collar 42a, the first spool guide collar 42a can have one or two or it is multiple, here, due to
The sliding distance of first spool 4a is very short, therefore, the first spool guide collar 42a preferably one.
In other words, the outer diameter of the rear end 401a of 2 the first spool of < 4a of outer diameter D of the middle part 403a of the first spool 4a
The outer diameter D 1 of the front end 402a of 2 the first spool of < 4a of outer diameter D of D3, the middle part 403a of the first spool 4a.Due to middle part
The outer diameter D 2 of 403a less than the first cavity 101 internal diameter, therefore, the middle part 403 of the second spool 4b and the first cavity 101 it
Between, gap is formd, this gap is the first communication path 5.First interface 104 is connected to the first communication path 5.
Fig. 4 is the cross-sectional view of the first spool 4a (the second spool 4b) of Fig. 1, referring to Fig. 4, and is assisted referring to Fig. 2, Fig. 3.The
Between the front end 402a of one spool 4a and the middle part 403a of the first spool 4a, it is formed with First terrace 404a, first is close
The material of sealing 41a can choose the materials such as rubber, gel such as silica gel, and overmolded on the surface of the first spool 4a.Specifically
Ground, first seal 41a include the first primary seal section 411a, the first primary seal section 411a being coated on First terrace 404a
Outer diameter be greater than the first cavity 101 internal diameter and be accommodated in the second cavity 102.When installation, since first seal 41a has
It is flexible, therefore can be entered in the second cavity 102 via the first cavity 101, the second cavity 102 exists by being squeezed and deformed
Positioned at the side of the first cavity 101, it is provided with the first bearing surface 107.
For the first spool 4a, when the first electromagnetic component 2a power-off, the first elastic component 7 pushes the first spool 4a court
It is slided to the first electromagnetic component 2a, so that the first primary seal section 411a is bonded with the first bearing surface 107；As the first electromagnetic component 2a
When energization, the first electromagnetic component 2a pushes the first spool 4a to compress the first elastic component 7 and slides, so that the first primary seal section 411a
It is separated with the first bearing surface 107.
The movement is also the same for the second spool 4b.
First seal 41a further includes the first auxiliary seal section 412a for being coated on the middle part 403a of the first spool 4a,
First auxiliary seal section 412a and the first primary seal section 411a is integrally formed.First auxiliary seal section 412a is set, mainly
It is that the first primary seal section 411a is since the air pressure inside solenoid valve increases in order to prevent, first seal 41a is in the first spool 4a
Upper sliding, the case where falling off so as to cause the first primary seal section 411a from First terrace 404a.
In order to reinforce the sealing effect of first seal 41a, first seal 41a further includes before coating the first spool 4a
Second auxiliary seal section 413a of the outer peripheral surface of end 402a, similarly, the second auxiliary seal section 413a and the first primary seal section
411a is integrally formed, and the front end of the second auxiliary seal section 413a is provided with chamfering 414a.Since first seal 41a abuts first
Bearing surface 107 and when being bonded, first seal 41a can compress, therefore pass through the periphery of the front end 402a in the first spool 4a
The second auxiliary seal section 413a is arranged in face, can reinforce the support strength of compressed first seal 41a, to further add
The sealing effect of strong first seal 41a, and chamfering 414a is set in the front end of the second auxiliary seal section 413a, then it is in order to just
It is installed in valve body 1 in the first spool 4a.
Further, in order to reinforce the sealing effect of first seal 41a, while preventing first seal 41a from
The surface of one spool 4a falls off, and recess portion 405a is provided on the outer peripheral surface of the front end 402a of the first spool 4a, recess portion 405a's
One end is connect with First terrace 404a, and the second auxiliary seal section 413a coats recess portion 405a and along the front end of the first spool 4a
The radially protruding of 402a is in the outer peripheral surface of the front end 402a of the first spool 4a.Thicken the second auxiliary seal section 413a's as a result,
Thickness, to reinforce the sealing effect of first seal 41a.
Therefore, in the present embodiment, the first spool 4a does not need the switching position between each different cavity, and only controls
Make blocking or opening for the first communication path 5 between the first cavity 101 and the second cavity 102.In the process, the first spool
Sliding stroke of the 4a in the first cavity 101 is 0.5mm-1mm.It need to only ensure first seal 41a and the first bearing surface 107
It fits closely or is kept completely separate.Therefore, the stroke of spool walking can be shortened, greatly so as to shorten the sound of solenoid valve
Between seasonable.In addition, the reduction of the sliding stroke due to spool, can also reduce the catching phenomenon in solenoid valve handoff procedure.
Similarly, between the front end 402b of the second spool 4b and the middle part 403b of the second spool 4b, it is formed with second
Step surface 404b, second seal 41b include the second primary seal section being coated on the 404b of second step face；Second cavity 102
Internal diameter be greater than the internal diameter of third cavity 103, the outer diameter of the middle part 403b of the second spool 4b is less than the interior of third cavity 103
Diameter, the outer diameter of the second primary seal section are greater than the internal diameter of third cavity 103 and are accommodated in the second cavity 102, the second access
Diameter 6 is formed between the middle part 403 and third cavity 103 of the second spool 4b, and the second cavity 102 is being located at the second cavity 102
Side, be provided with the second bearing surface.
For the second spool 4b, when the second electromagnetic component 2b power-off, the first elastic component 7 pushes second
Spool 4b is slided towards the second electromagnetic component 2b, so that the second primary seal section is bonded with the second bearing surface；Second electromagnetic component 2b
When energization, the second electromagnetic component 2b pushes the second spool 4b to compress the second elastic component and slides, so that the second primary seal Duan Yu
The separation of two bearing surfaces.
Similarly, on the circumferential surface of the rear end 401b of the second spool 4b, also it is embedded with the second spool guide collar.Second spool
Sliding stroke of the 4b in third cavity 103 is 0.5mm-1mm.
Second of embodiment (not shown)
Second of embodiment is roughly the same with the first embodiment, the difference is that, the first cavity and third cavity phase
To the second cavity in 90 degree of settings, or in not asymmetrical position setting.In this case, the first spool is slideably
In the first cavity, the rear end of the first spool can be abutted with the first electromagnetic component, the front end of the first spool and first for setting
One end of elastic component abuts, and the other end of the first elastic component abuts to the first side of the second cavity side opposite with the first cavity
On wall.The front end of first spool is provided with closure or opens the first communication path of the first cavity of connection and the second cavity
First seal.
Similarly, the second spool is slidably disposed in third cavity, and the rear end of the second spool can be with the second electromagnetism
Component abuts, and the front end of the second spool abuts with the second elastic component (not shown), and the other end of the second elastic component abuts to the
In the second sidewall of the two cavitys side opposite with third cavity.The front end of second spool is provided with closure or opens connection
The second seal of second communication path of third cavity and the second cavity.
Each specific technical characteristic as described in the above specific embodiments in the case of no contradiction can be with
It is combined in any manner, for unnecessary repetition, the utility model does not say various combinations of possible ways separately
It is bright.
Above embodiments are merely to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model range or equivalent replacement should all be included in the technical solution of the utility model.
Claims (10)
1. solenoid valve, including valve body, the first electromagnetic component, the second electromagnetic component, first electromagnetic component, second electromagnetism
Component is separately mounted to the both ends of the valve body, the valve body be internally provided with the first interconnected cavity, the second cavity,
Third cavity, wherein first cavity is connected to the side of second cavity, the third cavity and second cavity
The other side connection, the valve body be respectively arranged with from outside penetrate into first cavity first interface, from outside penetrate through
The third interface of the third cavity is penetrated into the second interface of second cavity and from outside, which is characterized in that also wrap
It includes:
First spool is slidably disposed in first cavity, and the rear end of first spool can be with described first
Electromagnetic component abuts, and the front end of first spool, which is provided with closure or opens, is connected to first cavity and described second
The first seal of first communication path of cavity；
Second spool is slidably disposed in the third cavity, and the rear end of second spool can be with described second
Electromagnetic component abuts, and the front end of second spool, which is provided with closure or opens, is connected to the third cavity and described second
The second seal of second communication path of cavity；
First elastic component is arranged between the front end of first spool and the front end of second spool, and one end is supported
The front end of first spool is connect, the other end abuts the front end of second spool.
2. solenoid valve according to claim 1, which is characterized in that the front end of first spool and first spool
Middle part between, be formed with First terrace, the first seal includes first be coated on the First terrace
Primary seal section, the outer diameter of the first primary seal section are greater than the internal diameter of first cavity and are accommodated in second cavity
It is interior.
3. solenoid valve according to claim 2, which is characterized in that the internal diameter of second cavity is greater than first cavity
Internal diameter, the outer diameter of the middle part of first spool is less than the internal diameter of first cavity, and first communication path is formed
Between the middle part and first cavity of first spool, second cavity is being located at the one of first cavity
Side is provided with the first bearing surface；
When first electromagnetic component powers off, the first spool described in first resilient element urges is towards first electromagnetic component
Sliding is so that the first primary seal section is bonded with first bearing surface；
When first electromagnetic component is powered, first electromagnetic component pushes first spool to compress first elastic component
And slide, so that the first primary seal section is separated with first bearing surface.
4. solenoid valve according to claim 2, which is characterized in that the first seal further includes being coated on described first
First auxiliary seal section of the middle part of spool, the first auxiliary seal section and the first primary seal section are integrally formed.
5. solenoid valve according to claim 2 or 4, which is characterized in that the first seal further includes cladding described the
Second auxiliary seal section of the outer peripheral surface of the front end of one spool, the second auxiliary seal section and the first primary seal section one
Body formed, the front end of the second auxiliary seal section is provided with chamfering.
6. solenoid valve according to claim 5, which is characterized in that be arranged on the outer peripheral surface of the front end of first spool
There is recess portion, the recess portion is connect with the First terrace, and the second auxiliary seal section coats the recess portion and along described the
The radially protruding of the front end of one spool is in the outer peripheral surface of the front end of first spool.
7. solenoid valve according to claim 3, which is characterized in that the front end of second spool and second spool
Middle part between, be formed with second step face, the second seal includes second be coated on the second step face
Primary seal section；
The internal diameter of second cavity is greater than the internal diameter of the third cavity, and the outer diameter of the middle part of second spool is less than institute
State the internal diameter of third cavity, the outer diameter of the second primary seal section is greater than the internal diameter of the third cavity and is accommodated in described the
In two cavitys, second communication path is formed between the middle part of second spool and the third cavity, and described
Two cavitys are provided with the second bearing surface in the side for being located at second cavity；
When second electromagnetic component powers off, the second spool described in first resilient element urges is towards second electromagnetic component
Sliding is so that the second primary seal section is bonded with second bearing surface；
When second electromagnetic component is powered, second electromagnetic component pushes second spool to compress first elastic component
And slide, so that the second primary seal section is separated with second bearing surface.
8. solenoid valve according to claim 1, which is characterized in that embedding on the outer peripheral surface of the rear end of first spool
Equipped with the first spool guide collar, on the circumferential surface of the rear end of second spool, it is embedded with the second spool guide collar.
9. solenoid valve according to claim 1, which is characterized in that first spool is in the intracorporal sliding of the first chamber
Stroke is 0.5mm-1mm；Second spool is 0.5mm-1mm in the intracorporal sliding stroke of third chamber.
10. solenoid valve, including valve body, the first electromagnetic component, the second electromagnetic component, first electromagnetic component, second electricity
Magnet assembly is separately mounted to the both ends of the valve body, and the valve body is internally provided with the first interconnected cavity, the second chamber
Body, third cavity, wherein first cavity is connected to the side of second cavity, the third cavity and described second
The other side of cavity is connected to, and the valve body is respectively arranged with from outside and penetrates into the first interface of first cavity, from outside
It penetrates into the second interface of second cavity and penetrates into the third interface of the third cavity from outside, which is characterized in that
Further include:
First spool is slidably disposed in first cavity, and the rear end of first spool can be with described first
Electromagnetic component abuts, and the front end of first spool abuts with one end of the first elastic component, first elastic component it is another
End abuts on the first side wall of second cavity side opposite with first cavity, the front end of first spool
It is provided with closure or opens the first seal for being connected to the first communication path of first cavity and second cavity；
Second spool is slidably disposed in the third cavity, and the rear end of second spool can be with described second
Electromagnetic component abuts, and the front end of second spool is abutted with the second elastic component, and the other end of second elastic component abuts
In the second sidewall of the side opposite with the third cavity to second cavity, the front end of second spool is provided with
Block or open the second seal for being connected to the second communication path of the third cavity and second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221385.0U CN209511190U (en) | 2018-12-27 | 2018-12-27 | Solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221385.0U CN209511190U (en) | 2018-12-27 | 2018-12-27 | Solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511190U true CN209511190U (en) | 2019-10-18 |
Family
ID=68197759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822221385.0U Expired - Fee Related CN209511190U (en) | 2018-12-27 | 2018-12-27 | Solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209511190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654259A (en) * | 2018-12-27 | 2019-04-19 | 深圳市硕锐科技有限公司 | Solenoid valve |
| CN114412862A (en) * | 2021-12-20 | 2022-04-29 | 郑州磨料磨具磨削研究所有限公司 | Ultrahigh pressure three-position three-way valve |
-
2018
- 2018-12-27 CN CN201822221385.0U patent/CN209511190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654259A (en) * | 2018-12-27 | 2019-04-19 | 深圳市硕锐科技有限公司 | Solenoid valve |
| CN114412862A (en) * | 2021-12-20 | 2022-04-29 | 郑州磨料磨具磨削研究所有限公司 | Ultrahigh pressure three-position three-way valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106641398B (en) | Large-caliber pilot unloading type electromagnetic valve | |
| EP2778489B1 (en) | Solenoid operated valve with constant bleed port | |
| KR100433921B1 (en) | Poppet-type solenoid valve | |
| CN209511190U (en) | Solenoid valve | |
| CN108343749B (en) | Electronic expansion valve | |
| CN108223816B (en) | Hydraulic drive pilot type emergency cut-off valve | |
| CN108458151B (en) | Self-sealing type double-redundancy two-position three-way electromagnetic valve | |
| WO2006020964A3 (en) | Solenoid valve and method of assembly thereof | |
| US9103463B2 (en) | Pressure balanced solenoid operated valve | |
| CN109654259A (en) | Solenoid valve | |
| CN108019535A (en) | Spool uses the two-bit triplet reversal valve of sealing cone | |
| CN112212016A (en) | Electronic expansion valve | |
| CN106678424A (en) | Pneumatic electromagnetic valve and pneumatic electromagnetic valve group | |
| CN1734142B (en) | Valve installation | |
| CN212672427U (en) | Ultrahigh-voltage electromagnetic valve | |
| CN105201947A (en) | Electrohydraulic reversing valve capable of maintaining valve position under hydraulic pressure | |
| CN107725820B (en) | No leakage Solenoid ball valve | |
| CN205036666U (en) | Hydraulic pressure keeps electro -hydraulic reversing valve of valve position | |
| CN210770417U (en) | Two-position three-way electromagnetic directional valve | |
| CN111720565A (en) | Electromagnetic valve | |
| CN201916267U (en) | Bonnet projection type hydraulic cartridge valve | |
| CN220488423U (en) | Electromagnetic valve | |
| CN219510142U (en) | Normally closed electromagnetic valve | |
| CN211852967U (en) | Piston type electromagnetic valve | |
| CN215371229U (en) | Pilot-operated type electromagnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qin Zhiguo Inventor after: Chen Nengli Inventor before: Qin Zhiguo Inventor before: Chen Nengli |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |