CN108644294A - Three class control valve for electronic control shock absorber - Google Patents
Three class control valve for electronic control shock absorber Download PDFInfo
- Publication number
- CN108644294A CN108644294A CN201810726421.0A CN201810726421A CN108644294A CN 108644294 A CN108644294 A CN 108644294A CN 201810726421 A CN201810726421 A CN 201810726421A CN 108644294 A CN108644294 A CN 108644294A
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- China
- Prior art keywords
- armature
- shock absorber
- control valve
- electromagnet
- electronic control
- Prior art date
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention proposes that a kind of three class control valve for electronic control shock absorber, the three class control valve have longitudinal axis and include：Valve seat, fixed and arranged is in electronic control shock absorber, and at least one through-hole passed in and out with permission fluid；Electromagnet, fixed and arranged are equipped with mounting portion, corresponding electromagnetic force are generated when passing through electric current in electromagnet in electronic control shock absorber on the electromagnet and the valve seat surface towards valve seat positioned opposite in the axial direction and in electromagnet；Cavity is formed between electromagnet and valve seat, and with the opening for allowing fluid to pass in and out；Armature is received in the cavities and can move axially therein；Inner spring, one end are installed to mounting portion, and the other end is engaged in armature and applies thrust on armature；Outer spring, both ends are installed to mounting portion and are pre-compressed with certain pretightning force；Inner spring is set in inside outer spring.It is three class control valve control accuracy higher proposed by the present invention, simple and reliable for structure.
Description
Technical field
The present invention relates to a kind of three class control valves for electronic control shock absorber, and subtract including the automatically controlled of the three class control valve
Shake device.
Background technology
With the development of information technology and auto manufacturing, electromechanical integration trend is increasingly bright and clear.Wherein, suspension is automobile
On by the principal assembly of vehicle body and axle (or wheel) resilient connection.The direct function of damper of suspension system is to mitigate, inhibit
Vibration caused by uneven road surface and impact；The vibration of rapid decaying vehicle body and vehicle bridge (or wheel), to ensure automobile
Ride performance, stability.Due to damper on mitigate, decay body vibrations and impact have directly influence, function
Excellent damper is to ensureing vehicle traveling high speed, steady, safety, comfortably playing an important roll.
Existing product is based on common damper currently on the market.Common resistance of shock absorber is fixed, under different road conditions, no
Can meet simultaneously the safety of automobile, the requirement of ride comfort and comfort, thus part middle and high end vehicle have begun use can
Mode damper, high-end vehicle use electronically controlled proportional valve, some high-end vehicle uses to have a grade electrically-controlled valve.
Existing product is limited in that：Common shock absorber damping is single, can not face complex road surface；It is existing on the market
There is electronically controlled proportional valve that can voluntarily adjust damped coefficient with road condition change, right adjustable range is smaller；Damper F-v as shown in Figure 1
Curve (longitudinal axis represents damping power, and horizontal axis represents speed of the wheel with respect to vehicle body), existing to have a grade electrically-controlled valve be mostly 2 × 2 grades,
Optional series is less, and degree of regulation is relatively low.
Therefore, there is a need in the art for a kind of electronic control shock absorber control valves with more high control precision.
Invention content
In order to solve the above technical problems, on the one hand, the present invention proposes a kind of three class control valve for electronic control shock absorber, institute
Three class control valve is stated with longitudinal axis and includes：Valve seat, fixed and arranged have permission fluid in electronic control shock absorber
At least one through-hole of disengaging；Electromagnet, fixed and arranged is in electronic control shock absorber, and the electromagnet is with valve seat in the axial direction with respect to cloth
It sets and is equipped with mounting portion on the surface towards valve seat of electromagnet, corresponding electromagnetism is generated when passing through electric current in electromagnet
Power；Cavity is formed between electromagnet and valve seat, and with the opening for allowing fluid to pass in and out；Armature is received in the cavities
And it can move axially therein；Inner spring, one end are installed to mounting portion, and the other end is engaged in armature and is applied on armature
Add thrust；Outer spring, both ends are installed to mounting portion and are pre-compressed with certain pretightning force；Wherein, the inner spring set
It is located inside the outer spring.
According to the preferred embodiment of the invention, the armature has following three positions：Closed position, in the closed position
Armature is engaged with valve seat under the thrust of inner spring to cover at least one through-hole, thereby turns off three class control
Valve；Centre position, armature overcomes the thrust of inner spring to lift off a seat and in axial direction direction under the action of the first electromagnetic force
Electromagnet moves, until surface guarantor towards armature of the surface towards electromagnet of armature against outer spring and with electromagnet
The centre position of a spacing is held, three class control valve is thus partly opened, fluid is allowed to pass through valve seat；Fully open position, big
Armature overcomes the active force of inner spring and outer spring in axial direction direction under the action of the second electromagnetic force of the first electromagnetic force
Electromagnet movement against the surface towards valve seat of electromagnet and is maintained at this entirely until the surface towards electromagnet of armature
Thus three class control valve is opened in open position completely.
According to the preferred embodiment of the invention, the electromagnet includes the coil for surrounding longitudinal axis arrangement, the installation
Portion's form with hole and it is arranged in coil inside, on the inner wall of mounting portion at the surface towards valve seat of neighbouring electromagnet
Equipped with protruding portion, for stopping that outer spring makes it that can not stretch out except mounting portion.
According to the preferred embodiment of the invention, the mounting portion further includes between the protruding portion and the outer spring
Gasket.
According to the preferred embodiment of the invention, the armature includes ontology and protrudes the first step extended from ontology, should
First step is designed to be adapted to project into the mounting portion, to be contacted with outer spring.
According to the preferred embodiment of the invention, the armature is generally in disk form, and first step is located in the armature
At the heart and with cylindrical profile.
According to the preferred embodiment of the invention, prominent second for extending and there is cylindrical profile is equipped on first step
Step, the inner spring are set on second step.
According to the preferred embodiment of the invention, the armature is equipped with cone tank and institute at the centre of surface towards valve seat
Stating armature, there is the engagement surface of annular, the cone tank at least one through-hole to be completely covered when being observed along longitudinal axis,
The engagement surface is suitable for being engaged to close three class control valve with the surface towards armature of valve seat.
According to the preferred embodiment of the invention, the throttle orifice and at least equipped at least one perforation on the ontology of armature
One raised points for facing electromagnet.
According to the preferred embodiment of the invention, the three class control valve further includes fixation of the fixed and arranged in the cavity
Seat, the inner surface of the fixed seat and the side surface of the armature are engaged, the axial movement for guiding armature.
According to the preferred embodiment of the invention, the valve seat is generally in disk form, and more with being separated from each other
A through-hole.
According to the preferred embodiment of the invention, the valve seat has evenly-spaced 6 through-holes around center arrangement.
According to the preferred embodiment of the invention, it is equipped with around center arrangement on the surface towards electromagnet of the valve seat
, and the multiple blocking portions in the circumferential with gapping interval opened prominent with the first height, when armature is in closed position described in
Blocking portion surrounds armature and the side surface of armature and the side surface towards armature of blocking portion are engaged to stop fluid.
According to the preferred embodiment of the invention, the circumferential end of each blocking portion passes through with second less than the first height
The platform of height and there is stair-stepping profile, thus formed between adjacent blocking portion radial with stepped profile
Raceway groove, the access as fluid.
According to the preferred embodiment of the invention, when armature is in an intermediate position, the engagement surface of armature and the face of valve seat
The distance between surface to armature is no more than the second height；When armature is in fully open position, the engagement surface and valve of armature
The distance between surface towards armature of seat is more than the second height.
According to the preferred embodiment of the invention, the raceway groove and through-hole quantity having the same, and each ditch
Road is adjacently positioned with corresponding through-hole.
According to the preferred embodiment of the invention, the blocking portion and the valve seat are integrally manufactured.
On the other hand, the present invention proposes a kind of electronic control shock absorber comprising at least one basis is described previously for electricity
Control the three class control valve of damper.
According to the preferred embodiment of the invention, the electronic control shock absorber include two be connected in parallel be used for electronic control shock absorber
Three class control valve.
It is three class control valve control accuracy higher proposed by the present invention, simple and reliable for structure and be transformed into lower
This.Moreover, the three class control valve can be used alone or used in parallel, can be also applied in combination with Two-stage control valve, to realize
High step valve system design.
Description of the drawings
The above and other feature and advantage of the present invention will become brighter through the following detailed description taken in conjunction with the accompanying drawings
It is aobvious, and the following description and drawings being given for example only property purpose, rather than limit the scope of the invention in any way,
In：
Fig. 1 is the damping force-wheel velocity curve for having grade electronic control shock absorber of the prior art；
Fig. 2 is the half-sectional stereoscopic schematic diagram of three class control valve according to the preferred embodiment of the invention；
Fig. 3 A are the schematic front view of three class control valve according to the preferred embodiment of the invention, the wherein rank of three class control valve
Iron is in the closed position；
Fig. 3 B are the schematic front view of three class control valve according to the preferred embodiment of the invention, the wherein rank of three class control valve
Iron is in an intermediate position；
Fig. 3 C are the schematic front view of three class control valve according to the preferred embodiment of the invention, the wherein rank of three class control valve
Iron is in fully open position；
Fig. 3 D are the close-up schematic views of the mounting portion of three class control valve according to the preferred embodiment of the invention in Fig. 3 C；
Fig. 4 A are the stereoscopic schematic diagrams of three class control valve according to the preferred embodiment of the invention radially observed,
The armature of middle three class control valve is in the closed position；
Fig. 4 B are the stereoscopic schematic diagrams of three class control valve according to the preferred embodiment of the invention radially observed,
The armature of middle three class control valve is in an intermediate position；
Fig. 4 C are the stereoscopic schematic diagrams of three class control valve according to the preferred embodiment of the invention radially observed,
The armature of middle three class control valve is in fully open position；
Fig. 5 A are the stereoscopic schematic diagrams of armature according to the preferred embodiment of the invention；
Fig. 5 B are the schematic front view of the armature of three class control valve according to the preferred embodiment of the invention；
Fig. 5 C are the schematic top plan views of the armature of three class control valve according to the preferred embodiment of the invention；
Fig. 6 A are the stereoscopic schematic diagrams of the valve seat of three class control valve according to an embodiment of the invention；
Fig. 6 B are the schematic front view of the valve seat of three class control valve according to an embodiment of the invention；
Fig. 6 C are the schematic top plan views of the valve seat of three class control valve according to an embodiment of the invention；
Fig. 7 is the schematic diagram using 3 × 3 grades of electronic control shock absorbers of the three class control valve of the preferred embodiment of the present invention；
Fig. 8 is bent using damping force-wheel velocity of the electronic control shock absorber of the three class control valve of the preferred embodiment of the present invention
Line；
Fig. 9 is damping force-wheel using 3 × 3 grades of electronic control shock absorbers of the three class control valve of the preferred embodiment of the present invention
Rate curve.
Specific implementation mode
For the present invention aforementioned and other technology contents, feature and technique effect, in following cooperation refer to the attached drawing to reality
Applying in the detailed description of example to be clearly presented.
Illustrate comprising various specific details below to help the understanding, but these details should be considered as only being exemplary
's.In addition, for clarity and brevity, the description to well known function and construction may be omitted.
Through the description and claims of present specification, word " comprising " and modification mean " including but unlimited
In ", and be not intended to exclude other component, entirety or step.It should be understood that singulative " one ", "one" and "the" packet
Reference containing plural number, unless context clearly separately has miscellaneous stipulations.In the present invention, statement "or" includes the word enumerated together
The arbitrary or all combination of language.For example, " A or B " can include A or B, or can include both A and B.
In addition, although each element of the present invention may be described using the statement of such as " first " and " second ", it
Be not intended to limit mutually corresponding element.Above-mentioned statement is not intended to the sequence or importance for limiting phase respective element.It is above-mentioned
Statement is for distinguishing a component and another component, without departing substantially from the scope of the present invention, " first component "
" second component " is can be written as, similarly, " second component " can be written as " first component ".
When element is mentioned as " connected " to another element, this may mean that it is connected directly to other elements,
There may be intermediary elements.
The orientation such as "upper", "lower", "left", "right" for being mentioned in text word is only used for indicating opposite relative to the displaying of attached drawing
Position relationship, after the absolute position for being described object changes, then relative position relation may also correspondingly change.
Illustrate the concrete structure and work of the three class control valve proposed by the present invention for electronic control shock absorber below in conjunction with the accompanying drawings
Make principle.
A to Fig. 3 D referring to figs. 2 and 3, the three class control valve 1 for the electronic control shock absorber include mainly valve seat 11, electromagnetism
Body 12, the cavity 13 being formed between electromagnet 12 and valve seat 11, armature 14, inner spring 15 and outer spring 16.Attached drawing shows one
The cylindric electronic control shock absorber of kind, the three class control valve 1 being disposed therein have longitudinally central axis (not shown), Ke Yili
Solution can also have other non-cylindrical, non-centrosymmetrical constructions and be not limited to diagram preferred embodiment.
12 fixed and arranged of electromagnet in electronic control shock absorber, the electromagnet 12 and valve seat 11 it is positioned opposite in the axial direction and
Mounting portion 122 is equipped on the surface 12a towards valve seat of electromagnet 12.Electromagnet includes the coil for surrounding longitudinal axis arrangement
121 and finish lead 123, when in coil 121 by generating corresponding electromagnetic force F when electric current IM。
Mounting portion 122 for installing dual spring is arranged in the inside of coil 121, and mounting portion 122 can preferably have
The form in hole, for example, diagram blind hole.The surface 12a towards valve seat 11 of neighbouring electromagnet 12 on the inner wall of mounting portion 122
Place is equipped with such as protruding portion 1221, for stopping that outer spring 16 makes it that can not stretch out except mounting portion 122.It is excellent shown in Fig. 3 D
In the embodiment of choosing, mounting portion 122 is formed as including apertura lateralis and the stepped hole of inboard aperture, and protruding portion 1221 is arranged in outer side opening
In, and protrusion extends in the diameter range of inboard aperture.The both ends of outer spring 16 fit into mounting portion 122, and outer bullet
Spring 16 is pre-compressed with certain pretightning force.One end of inner spring 15 is installed to mounting portion 122, and the other end is engaged in rank
Iron 14 and apply thrust on armature 14.Inner spring 15 is set in inside outer spring 16.Axis is observed along longitudinal direction, protruding portion
1221 for example can be with the shape of annulus.Further optionally, mounting portion 122 can also be including positioned at protruding portion 1221 and outside
Gasket 1222 between spring 16.
11 fixed and arranged of valve seat is in electronic control shock absorber, and at least one through-hole 111 passed in and out with permission fluid.Ginseng
Fig. 6 A to 6C are examined, valve seat 11 is generally in disk form, and with the multiple through-holes 111 being separated from each other.Pictorial image 6A to 6C
In preferred embodiment, valve seat 11 has evenly-spaced 6 through-holes 111 around center arrangement.Optionally, described
The surface towards electromagnet of valve seat be equipped with around center arrangement, with the first height h1It protrudes and in the circumferential with gap g
Multiple blocking portions 112 spaced apart.The side surface 112b towards armature of blocking portion can be contacted with the side surface 14b of armature to be matched
It closes, to more reliably stop fluid, will hereinafter be described in detail.Preferably, blocking portion 112 for example utilizes powder smelting with valve seat 11
Gold is made into integration by injection molding.The circumferential end of each blocking portion 112 is less than the first height h by having1
Two height h2Platform 1121 and have stair-stepping profile, thus between adjacent blocking portion 112 formed have it is ladder-like
The radial raceway groove 113 of profile, the access as fluid.In illustrating preferred embodiment, raceway groove 113 has 6 with through-hole 111
It is a, and each raceway groove 113 is arranged adjacent to corresponding through-hole 111.
In Fig. 3 A illustrated embodiments, valve seat 11 can also have the center for being used for assembling spool and piston (with reference to figure 7)
Axis hole 114, the central shaft hole are not essential, and can be connected spool by other known mode and be limited.Shown in Fig. 7
In the embodiment of two three class control valve parallel connections, the valve seat on the right does not have central shaft hole, but directly hollows out center, concedes fluid
Channel forms a big through-hole.
Cavity 13 has the opening 131 for allowing fluid to pass in and out.Armature 14 is accommodated in cavity 13 and in the work of electromagnetic force
It can be axially moved in the cavities with lower armature.Three class control valve 1 further includes fixed seat 17 of the fixed and arranged in cavity 13, should
The inner surface 17b of fixed seat 17 can be engaged with the side surface 14b of armature, the axial movement for guiding armature 14.
As shown in fig. 5A to 5C, armature 14 includes ontology 140 and protrudes the first step 141 extended from ontology 140, this
One step 141 is designed to be adapted to project into mounting portion 122, to be contacted with outer spring 16.Armature 14 is generally in disk form,
First step 141 is located at 14 center of armature and with cylindrical profile.Preferably, it is equipped with and protrudes on first step 141
Extend and have the second step 142 of cylindrical profile, an end of inner spring 15 can be set in lid second step 142
On.
Optionally, armature 14 can set the slot 145 there are one such as taper, the cone at the centre of surface towards valve seat 11
All through-holes 111 of valve seat are completely covered in shape slot when being observed along longitudinal axis.Cone tank 145 can give the installation of spool reserved
Enough spaces, if spool is threadingly back-outed more, the presence of cone tank makes spool be unlikely to withstand armature and hinder armature
Movement, lose the control ability to oil passage.On the other hand, cone tank can reduce the weight of armature, improve armature for
The response speed of electromagnetic force.Due to the cone tank, armature 14 has the engagement surface 14c of annular, which is suitable for and valve
The surface 11a towards armature of seat 11 is engaged to close three class control valve.
On the ontology of armature 14 equipped at least one perforation throttle orifice 143 and it is at least one face electromagnet 12
Raised points 144, for being convenient for armature 14 to be detached with electromagnet 12.Electromagnet suction is excessive, armature is bonded electromagnet completely
Extreme case under, due to the viscosity of fluid, stop after being powered, spring, which is also difficult to release in armature, to be resetted, therefore is set on armature
Count several raised points so that also there are a little gap fuel feeding liquid streams to move with armature residual gap for electromagnet under extreme case, multiple convenient for armature
Position.
Below by taking the compression travel of electronic control shock absorber as an example, illustrate the course of work of three class control valve.
As shown in figures 3 a and 4, armature 14 is in its closed position, (the nothing in electromagnet under the thrust of inner spring 15
Electric current), the engagement surface 14c of armature 14 is bonded with the surface 11a of valve seat 11, and the side surface 14b of armature 14c also with valve seat
The medial surface 112b fittings of 11 blocking portion 112, the thus closing of three class control valve 1.In this case, fluid can not pass through rank
Flow out inner cylinder tube in gap between iron 14 and valve seat 11, and can only be flowed out by throttle orifice 143 narrow on armature 14, at this time
Channel is narrow, allows, damping force F small by flowRGreatly.
As illustrated by figs. 3 b and 4b, in the first electromagnetic force F of corresponding low currentM1Under the action of armature 14 overcome inner spring 15
Thrust lift off a seat 11 and in axial direction towards electromagnet 12 move (i.e., it is illustrated that be moved to the left), until armature 14
Outer springs 16 (that is, mechanics limit) and and electromagnetism of the surface 141a towards electromagnet 12 of first boss 141 against precompressed
The surface 12a towards valve seat 11 of body 12 keeps a spacing d, and armature 14 is in intermediate position (also referred to as half open position at this time
Set), thus three class control valve 1 is partially opened, and fluid is allowed to pass through valve seat 11, cavity 13, raceway groove successively from inner cylinder tube
113, opening 131 flows to absorber chamber (also can refer to Fig. 7).In this position, engagement surface 14c and the valve seat 11 of armature 14
The distance between the surface 11a towards armature 14 no more than valve seats block portion 113 platform 1121 height h2, armature 14 with
Channel between valve seat 11 is opened by a small margin, allows, damping force F slightly larger by flowRMedium, it is more suitable that fluid flows out inner cylinder tube
Freely.
As illustrated by figs. 3 c and 4 c, in the second electromagnetic force F of corresponding high currentM2Under the action of armature 14 overcome inner spring 15
It is in axial direction continued to move to towards electromagnet 12 (i.e., it is illustrated that be moved to the left), until armature 14 with the active force of outer spring 16
The surface 15A towards electromagnet 12 against electromagnet 12 the surface 12a (that is, mechanical position limitation) towards valve seat and be maintained at
This fully open position, thus three class control valve 1 be fully opened.In this position, engagement surface 14c and the valve seat 11 of armature 14
The distance between surface 11a towards armature 14 is more than the height h of the platform 1121 in valve seats block portion 1132, armature 14 and valve seat
Channel between 11 is significantly opened, and, damping force F big by flow is allowedRSmall, it is smooth that fluid flows out inner cylinder tube.
For recovery (extension) stroke of electronic control shock absorber, fluid flow direction is opposite with compression travel, that is, is stitched from interior outer cylinder
Channel that gap is opened by valve body passes through valve seat, into inner cylinder tube, and this will not be detailed here.
The three-level that the present invention using the dual spring nested structure of ingehious design designs one with simple electromagnet to control
Valve inserts the state of " half-open " between valve body " ON/OFF " two states, increases degree of regulation.Utilize this design improvement
New valve body and old valve body difference it is smaller, reduce improvement cost.
It is worth noting that, dual spring nested structure proposed by the present invention, the stiffness coefficient of wherein inner spring are configured to,
It is not washed open by damping oil under electromagnet no power, valve body closed state, and when electromagnet leads to low current, valve body can be drawn onto
" half-open " state.The stiffness coefficient of outer spring has been configured to larger precompression, and outer spring is limited in certain space, makes
It has no effect to valve body when valve body " closing " and " closing " are transitioned into " half-open " state；It needs to keep " half in valve body
Open " state when, enough pressure is provided, when vibration damping oil pressure has fuctuation within a narrow range, make valve body stablize " half-open " without being rushed to open
To " standard-sized sheet " state；In electromagnetism Tie Tong high current, big spring can be compressed, and enable valve body " standard-sized sheet ".
Three step valves can be used alone, as shown in figure 8, under this scheme, damper has 3 work damping forces bent
Line.Three step valves also can be used in parallel with a secondary valve, alternative existing fraction valve, then there are damper 6 work to hinder
Buddhist nun's force curve.If two three step valves are used in parallel, 9 grades of adjustings are formed, as shown in figure 9, then there are damper 9 work to damp
Force curve.
The above is only the exemplary embodiment of the present invention, protection domain and is not intended to limit the present invention, this hair
Bright protection domain is determined by the attached claims.One of ordinary skill in the art will appreciate that without departing substantially from by with
In the case of the scope of the present invention defined by attached claim, variation can be made to various embodiments described herein
And improvement.In addition, for clarity and brevity, the description to well known function and construction may be omitted.
Finally, it is also necessary to which understanding, certain technical characteristics in embodiment may for solving specific technical problem
It is not required in that, so as to without either omitting solution or technical side of these technical characteristics without influence technique problem
The formation of case；Moreover, the feature of one embodiment, element and/or function can be with the spies of other one or more embodiments
Sign, element and/or function be suitably combined with each other, combination either cooperation unless the combination, combination or coordinate obviously can not be real
It applies.
Reference numerals list
1 three class control valve
11 valve seats
111 through-holes
112 blocking portions
112b blocking portion inner surfaces
1121 platforms
113 raceway grooves
114 axis holes
12 electromagnets
The surface towards valve seat of 12a electromagnets
121 coils
122 mounting portions
1221 protruding portions
1222 gaskets
123 finish leads
13 cavitys
131 openings
14 armature
The surface towards electromagnet of 15A armature
The side surface of 14b armature
The engagement surface of 14c armature
140 ontologies
141 first boss
142 second boss
143 throttle orifices
144 raised points
145 cone tanks
15 inner springs
16 outer springs
17 fixed seats
The inner surface of 17b fixed seats
The first height of h1
The second height of h2
D spacing
The gaps g.
Claims (19)
1. a kind of three class control valve for electronic control shock absorber, which is characterized in that the three class control valve has longitudinal axis simultaneously
And include：
Valve seat, fixed and arranged is in electronic control shock absorber, and at least one through-hole passed in and out with permission fluid；
Electromagnet, for fixed and arranged in electronic control shock absorber, the electromagnet is positioned opposite in the axial direction with valve seat and in electromagnet
The surface towards valve seat be equipped with mounting portion, corresponding electromagnetic force is generated when passing through electric current in electromagnet；
Cavity is formed between electromagnet and valve seat, and with the opening for allowing fluid to pass in and out；
Armature is received in the cavities and can move axially therein；
Inner spring, one end are installed to mounting portion, and the other end is engaged in armature and applies thrust on armature；
Outer spring, both ends are installed to mounting portion and are pre-compressed with certain pretightning force；
Wherein, the inner spring is set in inside the outer spring.
2. the three class control valve according to claim 1 for electronic control shock absorber, which is characterized in that the armature have with
Lower three positions：
Closed position, the closed position armature be engaged with valve seat under the thrust of inner spring with cover described at least
One through-hole, thereby turns off three class control valve；
Centre position, armature overcomes the thrust of inner spring to lift off a seat and in axial direction direction under the action of the first electromagnetic force
Electromagnet moves, until surface guarantor towards armature of the surface towards electromagnet of armature against outer spring and with electromagnet
The centre position of a spacing is held, three class control valve is thus partly opened, fluid is allowed to pass through valve seat；
Fully open position, armature overcomes the effect of inner spring and outer spring under the action of more than the second electromagnetic force of the first electromagnetic force
Power is in axial direction moved towards electromagnet until the surface towards electromagnet of armature is against the table towards valve seat of electromagnet
Face and it is maintained at the fully open position, thus opens three class control valve completely.
3. the three class control valve according to claim 2 for electronic control shock absorber, which is characterized in that the electromagnet includes
Around the coil of longitudinal axis arrangement, mounting portion form with hole and it is arranged in coil inside,
It is equipped with protruding portion at the surface towards valve seat of neighbouring electromagnet on the inner wall of mounting portion, for stopping that outer spring makes it
It can not stretch out except mounting portion.
4. the three class control valve according to claim 3 for electronic control shock absorber, which is characterized in that the mounting portion also wraps
Include the gasket between the protruding portion and the outer spring.
5. the three class control valve according to claim 3 for electronic control shock absorber, which is characterized in that the armature includes this
Body and the first step extended is protruded from ontology, which is designed to be adapted to project into the mounting portion, so as to it is outer
Spring contacts.
6. the three class control valve according to claim 5 for electronic control shock absorber, which is characterized in that the armature is generally
In disk form, first step is located at the armature center and with cylindrical profile.
7. the three class control valve according to claim 6 for electronic control shock absorber, which is characterized in that set on first step
There are the prominent second step extended and there is cylindrical profile, the inner spring to be set on second step.
8. the three class control valve according to claim 6 for electronic control shock absorber, which is characterized in that the armature towards
It is equipped with cone tank at the centre of surface of valve seat and the armature has the engagement surface of annular, the cone tank is along longitudinal axis
Be completely covered at least one through-hole when observation, the engagement surface be suitable for the surface towards armature of valve seat be engaged with
Close three class control valve.
9. the three class control valve according to claim 5 for electronic control shock absorber, which is characterized in that on the ontology of armature
Throttle orifice equipped at least one perforation and at least one raised points in face of electromagnet.
10. the three class control valve according to claim 6 for electronic control shock absorber, which is characterized in that the three class control
Valve further includes fixed seat of the fixed and arranged in the cavity, and the inner surface of the fixed seat is contacted with the side surface of the armature
Cooperation, the axial movement for guiding armature.
11. the three class control valve according to claim 8 for electronic control shock absorber, which is characterized in that the valve seat is substantially
It is upper in disk form, and with the multiple through-holes being separated from each other.
12. the three class control valve according to claim 11 for electronic control shock absorber, which is characterized in that the valve seat has
Around evenly-spaced 6 through-holes of center arrangement.
13. the three class control valve according to claim 11 for electronic control shock absorber, which is characterized in that in the valve seat
Surface towards electromagnet is equipped with around center arrangement, prominent with the first height and is opened in the circumferential with gapping interval
Multiple blocking portions, the blocking portion encirclement armature and the side surface of armature and the face of blocking portion when armature is in closed position
It is engaged to stop fluid to the side surface of armature.
14. the three class control valve according to claim 13 for electronic control shock absorber, which is characterized in that each blocking portion
Circumferential end by platform with the second height less than the first height with stair-stepping profile, thus in adjacent resistance
The radial raceway groove with stepped profile, the access as fluid are formed between stopper.
15. the three class control valve according to claim 14 for electronic control shock absorber, which is characterized in that in armature is in
Between position when, the distance between the engagement surface of armature and the surface towards armature of valve seat no more than second height；
When armature is in fully open position, the distance between the engagement surface of armature and the surface towards armature of valve seat are more than the
Two height.
16. the three class control valve according to claim 14 for electronic control shock absorber, which is characterized in that the raceway groove and institute
Through-hole quantity having the same is stated, and each raceway groove is adjacently positioned with corresponding through-hole.
17. the three class control valve according to claim 13 for electronic control shock absorber, which is characterized in that the blocking portion with
The valve seat is integrally manufactured.
18. a kind of electronic control shock absorber, which is characterized in that it includes at least one according to described in any one of claim 1 to 16
The three class control valve for electronic control shock absorber.
19. electronic control shock absorber according to claim 17, which is characterized in that it include two be connected in parallel for automatically controlled
The three class control valve of damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726421.0A CN108644294B (en) | 2018-07-04 | 2018-07-04 | Three-stage control valve for electric control shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726421.0A CN108644294B (en) | 2018-07-04 | 2018-07-04 | Three-stage control valve for electric control shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644294A true CN108644294A (en) | 2018-10-12 |
| CN108644294B CN108644294B (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810726421.0A Active CN108644294B (en) | 2018-07-04 | 2018-07-04 | Three-stage control valve for electric control shock absorber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458505A (en) * | 2022-03-09 | 2022-05-10 | 哈尔滨工程大学 | High-speed electromagnetic valve with multistage damping buffering |
| CN115217883A (en) * | 2022-08-25 | 2022-10-21 | 黄震 | Adjustable control valve for electric control shock absorber and electric control shock absorber |
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| CN101520079A (en) * | 2008-02-26 | 2009-09-02 | 株式会社万都 | Solenoid valve assembly of shock absorber |
| CN103998814A (en) * | 2011-12-14 | 2014-08-20 | 北京京西重工有限公司 | Shock absorber system and method |
| CN104653688A (en) * | 2015-03-02 | 2015-05-27 | 余鹏 | Electromagnetic valve capable of electrically controlling flow rate |
| CN206668851U (en) * | 2017-04-21 | 2017-11-24 | 辽宁工业大学 | A kind of automatically controlled piston mechanism of suspension shock-absorber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030085087A1 (en) * | 2001-10-29 | 2003-05-08 | Rene Lemieux | Shock absorber with adjustable valving |
| CN101235861A (en) * | 2007-01-30 | 2008-08-06 | 株式会社万都 | Solenoid valve of shock absorber |
| CN101520079A (en) * | 2008-02-26 | 2009-09-02 | 株式会社万都 | Solenoid valve assembly of shock absorber |
| CN103998814A (en) * | 2011-12-14 | 2014-08-20 | 北京京西重工有限公司 | Shock absorber system and method |
| CN104653688A (en) * | 2015-03-02 | 2015-05-27 | 余鹏 | Electromagnetic valve capable of electrically controlling flow rate |
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| CN114458505A (en) * | 2022-03-09 | 2022-05-10 | 哈尔滨工程大学 | High-speed electromagnetic valve with multistage damping buffering |
| CN115217883A (en) * | 2022-08-25 | 2022-10-21 | 黄震 | Adjustable control valve for electric control shock absorber and electric control shock absorber |
| CN115217883B (en) * | 2022-08-25 | 2024-02-27 | 黄震 | Adjustable control valve for electric control shock absorber and electric control shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644294B (en) | 2020-02-11 |
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Effective date of registration: 20211206 Address after: 311100 No. 480, Xingxing Road, Yuhang Economic and Technological Development Zone, Linping District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU KINGSTON INDUSTRIAL Co.,Ltd. Address before: 313300 Room 302, floor 3, building 3, Xiaquan, Lingfeng street, Anji County, Huzhou City, Zhejiang Province (in Zhejiang ludtamo Auto Parts Co., Ltd.) Patentee before: ZHEJIANG YUCHEN MACHINERY Co.,Ltd. |