CN108426092A - A kind of Secondary Control method of valve member, solenoid valve and solenoid valve compressed spring - Google Patents
A kind of Secondary Control method of valve member, solenoid valve and solenoid valve compressed spring Download PDFInfo
- Publication number
- CN108426092A CN108426092A CN201711080637.6A CN201711080637A CN108426092A CN 108426092 A CN108426092 A CN 108426092A CN 201711080637 A CN201711080637 A CN 201711080637A CN 108426092 A CN108426092 A CN 108426092A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve member
- core assembly
- support unit
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention provides a kind of Secondary Control methods of valve member, solenoid valve and solenoid valve compressed spring, valve member includes valve pocket, core assembly, elastic element, support unit and power unit, valve pocket, which has, extends along the inner space that direction opens up, and core assembly and support unit may be contained in inner space；One end of elastic element is set on one end of core assembly, and the other end of elastic element is set on support unit；The other end of core assembly is for connecting an electromagnetic assembly so that core assembly can be moved along extending direction；Power unit is for driving support unit to be moved along extending direction.The present invention is by being improved valve member, after assembling related valve component, the adjusting to the decrement of elastic element can be still realized according to service condition, to eliminate the inaccurate problem of the solenoid valve control brought due to rigging error, ensure that the output performance requirement of valve.
Description
Technical field
The invention belongs to solenoid valve market, it is related to the secondary tune of a kind of valve member, solenoid valve and solenoid valve compressed spring
Section method.
Background technology
The solenoid valve that existing passenger vehicle automatic transmission uses, in order to realize controllable output pressure or output stream
Amount generally provides electromagnetic force needed for solenoid valve to push valve core movement, to realize pressure or flow using proportion electro-magnet
It adjusts.The spool of solenoid valve establishes dynamic equilibrium under the action of electromagnetic force, hydraulic coupling and spring force, in given coil current
In the case of, electromagnet portion generates electromagnetic force on spool, pushes valve core movement, while spool by hydraulic feedback power with
Spring-force driven dual, until three kinds of active forces keep balance, spool stop motion.The pressure of spool or the adjusting of flow rely primarily on
The movement of spool is realized.
Existing electromagnetic valve structure determines initial tension of spring in assembly frequently with spring displacement mode is determined.But due to zero
Part is processed and rigging error, is difficult to ensure after the completion of solenoid valve assembly in actual work using determining spring displacement mode when assembly
Performance so that solenoid valve fraction defective rises, and causes homogeneity of product poor.It is serious to lead to electromagnetism defective valve, it cannot be satisfied
Requirement.
Invention content
The object of the present invention is to provide the Secondary Control sides of a kind of valve member, solenoid valve and solenoid valve compressed spring
Method, it is intended to solve to use in the prior art and determine what the solenoid valve fraction defective that spring displacement mode determines that initial tension of spring is brought rose
Problem.
In order to solve the above technical problems, the present invention provides a kind of valve member, including valve pocket, core assembly, elasticity member
Part, support unit and power unit, the valve pocket, which has, extends along the inner space that direction opens up, the core assembly and
The support unit may be contained in the inner space；One end of the elastic element is set to one end of the core assembly
On, the other end of the elastic element is set on the support unit；The other end of the core assembly is for connecting an electricity
Magnetic assembly is so that the core assembly can be moved along the extending direction；The power unit is for driving the support unit
It is moved along the extending direction.
Further, the support unit includes an adjusting sleeve, and the adjusting sleeve has close to one end of the Flexible element
There are a groove, the shape of the groove and one end of the Flexible element to match, one end of the Flexible element is set to institute
It states in groove.
Further, the adjusting sleeve is set in the inner space, shape be cylinder, and the adjusting sleeve with
The inner wall of the valve pocket is connected by being interference fitted.
Further, the adjusting sleeve is set in the inner space, and it passes through between the inner wall of the valve pocket
It is threadedly coupled.
Further, the elastic element is spring.
Further, one end of the core assembly includes the first part by proximal end face and second far from end face
Point, the first part is fully wrapped around by the second part along the projection of the extending direction, one end of the elastic parts
It is sheathed in the first part and inconsistent with the end face of the second part.
Further, the shape of the first part is cylinder.
Further, the core assembly extends along direction and offers hollow chamber, and the valve member further includes one
One end of connector, the core assembly is sheathed on by the hollow chamber on one end of the connector, and the spool
Component can be moved relative to the connector along the extending direction, and the other end of the connector connects with the support unit
It connects.
Further, the connector is plunger.
Further, the power unit includes a motor, and the motor prolongs for driving the support unit described in
Stretch direction movement.
A kind of solenoid valve, including valve member as described above.
A kind of Secondary Control method of solenoid valve compressed spring, includes the following steps：
S1：The assembly of solenoid valve is carried out according to the amount of spring compression of setting；
S2：Pressure or flow rate test are carried out to solenoid valve, obtained between observed pressure or flow and setting pressure or flow
Deviation；
S3：The regulated quantity of compressed spring is worth to according to the deviation；
S4：Power unit driving support unit is moved along the extending direction of solenoid valve valve pocket, makes the pressure of the compressed spring
Contracting amount increases or decreases the regulated quantity.
Compared with prior art, the present invention provides the secondary of a kind of valve member, solenoid valve and solenoid valve compressed spring
Adjusting method, by being improved to valve member, driving support unit may be implemented in power unit can be along the extending direction
It is mobile, in this way, after assembling related valve component, the support unit movement can be still driven by power unit to realize pair
The adjusting of the decrement of the elastic element, so as to according to the service condition of assembly late gate component and valve, come real-time
The default decrement for adjusting elastic element, realizes compensation adjustment, to eliminate valve member and comprising the valve member
The inaccurate problem of solenoid valve control that solenoid valve is brought due to rigging error when in use, ensure that the output performance of valve is wanted
It asks.
Description of the drawings
Fig. 1 is a kind of structure chart for valve member that one embodiment of the invention provides；
Fig. 2 is the flow diagram of the Secondary Control method for the solenoid valve compressed spring that one embodiment of the invention provides.
Wherein, 1- valve pockets；2- core assemblies；3- elastic elements；4- support units；5- connectors；41- grooves；21-
A part；22- second parts.
Specific implementation mode
A kind of valve member proposed by the present invention, solenoid valve and solenoid valve are compressed below in conjunction with the drawings and specific embodiments
The Secondary Control method of spring is described in further detail.According to following explanation and claims, advantages of the present invention and spy
Sign will become apparent from.It should be noted that attached drawing is all made of very simplified form and uses non-accurate ratio, only to side
Just the purpose of the embodiment of the present invention, is lucidly aided in illustrating.Same or analogous reference numeral represents same or similar in attached drawing
Component.
Fig. 1 is a kind of schematic diagram for valve member that one embodiment of the invention provides, as shown in Figure 1, provided by the invention
A kind of valve member includes valve pocket 1, core assembly 2, elastic element 3, support unit 4 and power unit (not marked in figure),
The valve pocket 1, which has, extends along the inner space that direction opens up, and the core assembly 2 and the support unit 4 may be contained within
In the inner space；One end of the elastic element 3 is set on one end of the core assembly 2, the elastic element 3
The other end is set on the support unit 4；The other end of the core assembly 2 (is not marked for connecting an electromagnetic assembly in figure
Go out) so that the core assembly 2 can be moved along the extending direction；The power unit is for driving the support unit 4
It is moved along the extending direction.In the present solution, setting support unit 4 coordinates core assembly 2 to prop up the elastic element 3
Support, and realize that driving support unit 4 can be moved along the extending direction by power unit, in this way, assembling related valve
After component, the movement of the support unit 4 can still be driven to realize the tune of the decrement to the elastic element 3 by power unit
Section, so as to according to the service condition of assembly late gate component and valve, to adjust the default decrement of elastic element in real time,
Compensation adjustment is realized, to eliminate valve member and solenoid valve comprising the valve member is when in use due to rigging error
The inaccurate problem of the solenoid valve control brought, ensure that the output performance requirement of valve.
As a kind of realization method of the present embodiment, the support unit 4 includes an adjusting sleeve, and the adjusting sleeve is close to institute
The one end for stating Flexible element has a groove 41, and the shape of the groove 41 and one end of the Flexible element match, described
One end of Flexible element is set in the groove 41.The effect of groove 41 is to house one end of the elastic element 3.
In an embodiment of the present invention, additional qualification is not made for the connection type of adjusting sleeve and 1 inner wall of valve pocket, as
One of which realization method, the adjusting sleeve are set in the inner space, and shape can be cylinder, and the adjustment
The inner wall of set and the valve pocket 1 is connected by being interference fitted.In another embodiment of the invention, the adjusting sleeve and the valve
It can also be connected through a screw thread realization between the inner wall of set 1.As long as it should be understood that the connection between 1 inner wall of adjusting sleeve and valve pocket
It is the connection type that can realize following two purposes, first, adjusting sleeve can be fixed on when needed on 1 inner wall of valve pocket,
To give elastic element 3 to provide a fixed supporting point；Second is that being that can be driven by above-mentioned power unit in need
Dynamic adjusting sleeve is moved along the extending direction, to change the position of stress point of the elastic element 3 on the support unit 4
It sets, so as to adjust the decrement of elastic element 3.In above two implementation, when using interference fit connection, positive reason
Power unit does not work under condition, and the adjusting sleeve is fixed on 1 inner wall of the valve pocket at this time, and the elastic element 3 is in the branch
Impetus position on support unit 4 remains unchanged, and when needing to change the default decrement of elastic element 3, can pass through power
Unit forces that the adjusting sleeve is driven to move along the extending direction, to change the elastic element 3 in the support unit 4
On stress point position, so as to adjust the default decrement of elastic element 3.When using be threadedly coupled when, adjusting method with it is upper
State it is similar, only power unit drive adjusting sleeve moved along the extending direction when, power unit pass through drive adjusting sleeve turn
It is dynamic, realize that adjusting sleeve is moved while rotation along the extending direction using the threaded connection between 1 inside of adjusting sleeve and valve pocket
It is dynamic.
As the preferred embodiment of the present embodiment, the elastic element 3 can be spring.But elastic element 3 of the present invention is simultaneously
It is not only limited to spring, can also be any other flexible component, as long as gentle offer active force can be realized to valve
Core assembly 2, to ensure the stress balance of core assembly 2.
In order to facilitate the installation of compressed spring, the present embodiment summarizes, and one end of the core assembly 2 includes leaning on proximal end face
First part 21 and far from end face second part 22, the first part 21 along the extending direction projection by described second
Part 22 is fully wrapped around, one end of the elastic parts be sheathed in the first part 21 and with the end of the second part 22
Face is inconsistent.By opening up a structure (i.e. above-mentioned first part 21) for being similar to boss in one end of core assembly 2, this
Spring can be set on boss structure by sample, play the supporting role to spring.
Preferably, the shape of the first part 21 is cylinder, such as cylinder, cone, cube, triangular prism
Etc. shapes.
In the present embodiment, the core assembly 2 extends along direction and offers hollow chamber, and the valve member also wraps
A connection piece 5 is included, one end of the core assembly 2 is sheathed on by the hollow chamber on one end of the connector 5, and institute
Core assembly 2 is stated to move along the extending direction relative to the connector 5, the other end of the connector 5 with it is described
Support unit 4 connects.Wherein, the connector 5 is preferably plunger.
In the present embodiment, the power unit includes a motor, and the motor is for driving the support unit 4 along institute
State extending direction movement.Motor is more preferably stepper motor, can more effectively be realized in this way to branch by stepper motor
The precise displacement for supportting unit 4 is adjusted.
The present invention also provides a kind of solenoid valves, including valve member as described above.
It is a kind of such, solenoid valve compression using the method and principle that above-mentioned valve member, solenoid valve are adjusted
The Secondary Control method of spring, as shown in Fig. 2, including the following steps：
S1：The assembly of solenoid valve is carried out according to the amount of spring compression of setting；
S2：Pressure or flow rate test are carried out to solenoid valve, obtained between observed pressure or flow and setting pressure or flow
Deviation；
S3：The regulated quantity of compressed spring is worth to according to the deviation；
S4：Power unit driving support unit is moved along the extending direction of solenoid valve valve pocket, makes the pressure of the compressed spring
Contracting amount increases or decreases the regulated quantity.
Specifically, when being worked using valve member solenoid valve provided by the invention, when coil current is to timing, electricity
The proportion electro-magnet of magnet valve has horizontal displacement force characteristic in impulse stroke area.
For pressure valve, it is assumed that electromagnetic force Fm(I), initial tension of spring Fk, x is spool displacement, and spring rate is
The hydraulic feedback power of k, solenoid valve are Pa×s。
Force analysis then is carried out to spool, ignores system friction, the dynamic balancing established at a given current is as follows：
Fk+k*x+Pa× s=Fm(I)………………(1)
At a given current, collocation structure (the i.e. above-mentioned power unit driving support unit shifting of solenoid valve can be passed through
It is dynamic, to the default decrement of adjustment spring), adjust Fk, PaIt changes therewith.Work as FkIncrease, PaIt reduces, works as FkReduce, Pa
Increase.By above-mentioned adjusting, and then the pressure size of output fluid can be adjusted, be finally reached and meet solenoid valve in the given electricity
The requirement of the output pressure performance flowed down.
For flow valve, the dynamic balancing established at a given current is as follows：
Fk+ k*x=Fm(I)………………(2)
At a given current, F is adjustedk, spool position moves therewith, and valve port opening size changes therewith, Jin Erke
Fluid uninterrupted is exported with adjustment, to meet output flow performance requirement of the valve under the electric current.
It is illustrated by taking pressure valve as an example, from formula (1)：Theoretical preset exit pressure levels PaFor：
Due to part processing and rigging error so that actual exit pressure levels Pa' be：
In order to meet to the pressure output condition under constant current, F can be adjustedKTo FK', FK' exist as follows with each parameter
Relationship
FK'=G (Δ Fm, Δ k, Δ x, Δ s)
Therefore, it can see from analysis above, the pressure result that we can obtain according to the real-time testing of pressure valve,
Pressure divergence value is obtained, to which the regulated quantity of amount of spring compression be calculated, compressed spring is then adjusted according to the regulated quantity
Decrement carries out pressure compensation, and then realizes the pressure requirements of solenoid valve at a given current.Adjusting control for flow valve
System, can similarly obtain.
In conclusion the present invention provides the Secondary Control sides of a kind of valve member, solenoid valve and solenoid valve compressed spring
Method, by being improved to valve member, driving support unit, which may be implemented, in power unit to be moved along the extending direction, this
Sample can still drive the support unit movement to realize to the bullet after assembling related valve component by power unit
Property element decrement adjusting, so as to according to assembly late gate component and valve service condition, come adjust bullet in real time
The default decrement of property element, realizes compensation adjustment, to eliminate valve member and comprising the solenoid valve of the valve member
The inaccurate problem of the solenoid valve control brought when in use due to rigging error, ensure that the output performance requirement of valve.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (12)
1. a kind of valve member, which is characterized in that including valve pocket, core assembly, elastic element, support unit and power list
Member,
The valve pocket, which has, extends along the inner space that direction opens up, and the core assembly and the support unit may be contained within
In the inner space；
One end of the elastic element is set on one end of the core assembly, and the other end of the elastic element is set to institute
It states on support unit；
The other end of the core assembly is for connecting an electromagnetic assembly so that the core assembly can be along the extending direction
It is mobile；
The power unit is for driving the support unit to be moved along the extending direction.
2. a kind of valve member according to claim 1, which is characterized in that the support unit includes an adjusting sleeve, institute
State adjusting sleeve has a groove, one end phase of the shape of the groove and the Flexible element close to one end of the Flexible element
Matching, one end of the Flexible element is set in the groove.
3. a kind of valve member according to claim 2, which is characterized in that the adjusting sleeve is set to the inner space
Interior, shape is cylinder, and the adjusting sleeve and the inner wall of the valve pocket are connected by being interference fitted.
4. a kind of valve member according to claim 2, which is characterized in that the adjusting sleeve is set to the inner space
It is interior, and it is connected through a screw thread between the inner wall of the valve pocket.
5. a kind of valve member according to claim 1, which is characterized in that the elastic element is spring.
6. a kind of valve member according to claim 5, which is characterized in that one end of the core assembly includes leaning on proximal end
The first part in face and far from end face second part, the first part along the extending direction projection by described second
Point fully wrapped around, one end of the elastic parts is sheathed in the first part and offsets with the end face of the second part
It touches.
7. a kind of valve member according to claim 6, which is characterized in that the shape of the first part is cylinder.
8. a kind of valve member according to claim 1, which is characterized in that the core assembly extends along direction and opens up
It further includes a connection piece to have hollow chamber, the valve member, and one end of the core assembly is arranged by the hollow chamber
In on one end of the connector, and the core assembly can be moved relative to the connector along the extending direction, institute
The other end for stating connector is connect with the support unit.
9. a kind of valve member according to claim 8, which is characterized in that the connector is plunger.
10. according to a kind of valve member of claim 1-9 any one of them, which is characterized in that the power unit includes one
Motor, the motor is for driving the support unit to be moved along the extending direction.
11. a kind of solenoid valve, which is characterized in that including such as claim 1-10 any one of them valve member.
12. a kind of Secondary Control method of solenoid valve compressed spring, which is characterized in that include the following steps：
S1：The assembly of solenoid valve is carried out according to the amount of spring compression of setting；
S2：Pressure or flow rate test are carried out to solenoid valve, obtain observed pressure or flow and set inclined between pressure or flow
Difference；
S3：The regulated quantity of compressed spring is worth to according to the deviation；
S4：Power unit driving support unit is moved along the extending direction of solenoid valve valve pocket, makes the decrement of the compressed spring
Increase or decrease the regulated quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080637.6A CN108426092A (en) | 2017-11-06 | 2017-11-06 | A kind of Secondary Control method of valve member, solenoid valve and solenoid valve compressed spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080637.6A CN108426092A (en) | 2017-11-06 | 2017-11-06 | A kind of Secondary Control method of valve member, solenoid valve and solenoid valve compressed spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108426092A true CN108426092A (en) | 2018-08-21 |
Family
ID=63155671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080637.6A Pending CN108426092A (en) | 2017-11-06 | 2017-11-06 | A kind of Secondary Control method of valve member, solenoid valve and solenoid valve compressed spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426092A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247664A (en) * | 2022-07-20 | 2022-10-28 | 北京天玛智控科技股份有限公司 | Pressure adjusting method and device for hydraulic pump, electronic equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993018327A1 (en) * | 1992-03-12 | 1993-09-16 | Hoerbiger Ventilwerke Aktiengesellschaft | Proportional distributing valve |
| JP2006046640A (en) * | 2004-06-28 | 2006-02-16 | Denso Corp | Solenoid valve |
| CN104235427A (en) * | 2013-06-07 | 2014-12-24 | 罗伯特·博世有限公司 | adjusting screw connection device for vale of hydraulic valve, and valve of hydraulic system |
| CN104685155A (en) * | 2012-08-17 | 2015-06-03 | 罗伯特·博世有限公司 | Actuator device and axial piston machine |
| CN104864118A (en) * | 2015-05-21 | 2015-08-26 | 绵阳富临精工机械股份有限公司 | Proportional control magnetic valve |
| WO2016034402A1 (en) * | 2014-09-01 | 2016-03-10 | Robert Bosch Gmbh | Proportional valve that can be actuated electromagnetically |
| CN205978687U (en) * | 2016-08-31 | 2017-02-22 | 宁波海宏液压有限公司 | Bayonet large -traffic tee bend ratio pressure reducing valve |
| CN208090068U (en) * | 2017-11-06 | 2018-11-13 | 联合汽车电子有限公司 | A kind of valve member and solenoid valve |
-
2017
- 2017-11-06 CN CN201711080637.6A patent/CN108426092A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993018327A1 (en) * | 1992-03-12 | 1993-09-16 | Hoerbiger Ventilwerke Aktiengesellschaft | Proportional distributing valve |
| JP2006046640A (en) * | 2004-06-28 | 2006-02-16 | Denso Corp | Solenoid valve |
| CN104685155A (en) * | 2012-08-17 | 2015-06-03 | 罗伯特·博世有限公司 | Actuator device and axial piston machine |
| CN104235427A (en) * | 2013-06-07 | 2014-12-24 | 罗伯特·博世有限公司 | adjusting screw connection device for vale of hydraulic valve, and valve of hydraulic system |
| WO2016034402A1 (en) * | 2014-09-01 | 2016-03-10 | Robert Bosch Gmbh | Proportional valve that can be actuated electromagnetically |
| CN104864118A (en) * | 2015-05-21 | 2015-08-26 | 绵阳富临精工机械股份有限公司 | Proportional control magnetic valve |
| CN205978687U (en) * | 2016-08-31 | 2017-02-22 | 宁波海宏液压有限公司 | Bayonet large -traffic tee bend ratio pressure reducing valve |
| CN208090068U (en) * | 2017-11-06 | 2018-11-13 | 联合汽车电子有限公司 | A kind of valve member and solenoid valve |
Non-Patent Citations (1)
| Title |
|---|
| 张绍甫，徐锦康: "《机械零件》", vol. 2, 31 October 1995, 机械工业出版社, pages: 260 - 261 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247664A (en) * | 2022-07-20 | 2022-10-28 | 北京天玛智控科技股份有限公司 | Pressure adjusting method and device for hydraulic pump, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103790795B (en) | The piston machine of adjusting device for the piston machine of hydrostatic and the hydrostatic with this adjusting device | |
| US20150345491A1 (en) | Plunger pump power control device and control method thereof | |
| CN101490405A (en) | Fuel injector comprising a pressure-compensated control valve | |
| CN108474297A (en) | Connecting rod for variable compression ratio engine | |
| CN106762926B (en) | The electrohydraulic controlling mechanism of pressure-adjustable and off-load | |
| CN208090068U (en) | A kind of valve member and solenoid valve | |
| CN1616799A (en) | Three-way ratio pressure reducing control valve | |
| CN108426092A (en) | A kind of Secondary Control method of valve member, solenoid valve and solenoid valve compressed spring | |
| US20220065272A1 (en) | Hydraulic variable pump set and excavator | |
| CN104343665A (en) | Reciprocating compressor having capacity regulation | |
| CN105387014B (en) | A kind of high precision flow divider-combiner | |
| CN106640798B (en) | The electrohydraulic controlling mechanism of pressure-adjustable and off-load | |
| CN103727083B (en) | A kind of leading type inverse proportion vacuum solenoid valve | |
| US20150361924A1 (en) | Regulator having electronic valve installed therein | |
| CN107387477A (en) | A kind of leading controller for guiding valve, hydraulic cylinder control loop | |
| CN103573753B (en) | Transient test loop of hydraulic valve | |
| CN204328146U (en) | There is the solenoid valve of fluid flow regulation function | |
| CN103244498B (en) | A kind of accurate voltage regulating type direct-acting overflow valve | |
| CN205117873U (en) | Many function test power source system are used to sensitive multiple unit valve of load | |
| CN106762970B (en) | A kind of double ratio control structures and control method of variable displacement motor | |
| CN203176070U (en) | Rinsing valve | |
| CN106351902B (en) | Hydraulic axial plunger pump electricity proportional displacement control mechanism | |
| CN204344440U (en) | A kind of compact type Variable plunger pump displacement adjusting mechanism | |
| CN204493321U (en) | A kind of load sensing multi-way valve first and multi-way valve | |
| CN110005646A (en) | A kind of digital electro-hydraulic loading device and its loading method suitable for big load section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |