CN201582443U - Electromagnetic hydraulic valve - Google Patents
Electromagnetic hydraulic valve Download PDFInfo
- Publication number
- CN201582443U CN201582443U CN2009200663606U CN200920066360U CN201582443U CN 201582443 U CN201582443 U CN 201582443U CN 2009200663606 U CN2009200663606 U CN 2009200663606U CN 200920066360 U CN200920066360 U CN 200920066360U CN 201582443 U CN201582443 U CN 201582443U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- magnetic pole
- reaction spring
- control piston
- end magnetic
- 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
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to an electromagnetic hydraulic valve consisting of a hollow cylindrical magnetic housing, a coil winding, a sealing oil sleeve, an armature which can carry out axial movement, a front-end magnetic pole and a back-end magnetic pole which are arranged at two ends of a coil, a nozzle of a hollow device, a hollow control piston and a reaction spring, wherein the hollow cylindrical magnetic housing is manufactured by multi-stage stretching and molding of a low-carbon steel plate; the nozzle of the hollow device is provided with a nozzle radial opening, a reaction spring mounting and positioning hole and a nozzle step hole in the radial direction; and the hollow control piston is manufactured by light alloy material, is provided with a control piston shaft shoulder, a piston reaction spring support surface, a radial oil return hole and a guiding cylinder of the reaction spring, and can carry out the axial movement in the middle hole of the nozzle; and the back-end magnetic pole is provided with a taper angle, a convex plate cylinder and a push rod guiding hole. The electromagnetic hydraulic valve has the advantages of the publicly known electromagnetic valve and can effectively provide stable proportional linear electromagnetic force, improve the production efficiency, lower the production cost and decrease the structural size of an electromagnet.
Description
Technical field
The utility model relates to electromagnetic hydraulic valve, especially relates to a kind of ratio flow electromagnetic hydraulic valve of the adjustment camshaft of controlling combustion engine with respect to the crankshaft rotating angle apparatus that be used to realize.
Background technique
The present known electromagnetic hydraulic valve of the adjustment camshaft of controlling combustion engine that be used to realize with respect to the device at crankshaft rotating angle, general is made up of electromagnet and two major components of valve part, between the two by be welded to connect or the housing one end extrusion-deformation by electromagnet that both are organically encapsulated is as a whole.Current this type of ripe product mainly contains two kinds, two kinds of product major different are the mode of structure difference of valve part, specific as follows: 1, accompanying drawing 1 be depicted as first kind representative be valve part, its nozzle is by three radial openings, this kind structure will be provided with less annular slot at nozzle-end, and need to be provided with and mounting spring seat and springhole back-up ring, difficulty of processing is big, assembly process is comparatively complicated; 2, accompanying drawing 2 is depicted as second kind of representative valve part, and its nozzle is more than three radial openings, and the shortcoming of this kind structure maximum is that axial dimension is bigger, and consumable material is many, and installing space is had bigger requirement; Need deep hole processing, blind hole, difficulty of processing is bigger, but also has increased the interface oil circuit complexity of the mounting hole that matches with it.
On the other hand, the electromagnet structure difference, the electromagnetic force that produces is also different, particularly the structure shape of coil parameter and magnetic pole, armature is very big to the performance impact of electromagnet, in order to obtain bigger electromagnetic force, present known technology is the purpose that obtains to increase electromagnetic force by parameters such as the number of turn that increases coil, coil diameters, and the more former material of product consumption is come, also make the product design size bigger, increase cost of production and increase requirement installing space.
The model utility content
The technical problem that the utility model solved is to provide electromagnetic hydraulic valve, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solved realizes by the following technical solutions:
Electromagnetic hydraulic valve by the magnetic shell of hollow cylinder, coil winding, sealing oil jacket, can axially movable armature, front end magnetic pole and rear end magnetic pole, the nozzle of hollow device, the hollow control piston and the reaction spring at coil two ends form.
The magnetic shell of described hollow cylinder is made by the multistage stretching moulding by low-carbon steel plate; The nozzle of described hollow device is provided with three nozzle radial openings, reaction spring installing and locating hole and nozzle step hole in radial direction; Described hollow control piston is by the light alloy made, and the control piston shaft shoulder, piston reaction spring supporting surface, radially spill port and reaction spring guide cylinder are set; Described hollow control piston can move axially in the nozzle intermediate hole under the acting in conjunction of the active force of reaction spring and electromagnetic force, and oil circuit is selectively connected.
Described rear end magnetic pole is provided with cone angle, and wherein the taper angle theta angle value is controlled between 5 °～50 °, particularly between 10 °～35 °; Described rear end magnetic pole the boss cylinder is set with the push rod pilot hole, wherein the ratio of boss body diameter D1 and push rod pilot hole diameter D2 is between 2: 1～4: 1, particularly between 5: 2～3: 1.
Beneficial effect: the advantage with known solenoid valve of the present utility model, and reduced the quantity of valve member, and can effectively reduce the difficulty of processing of component, reduce assembly process, enhance productivity, reduce production costs; Simultaneously, the utility model technology has been carried out structural design to the electromagnetic hydraulic valve electromagnet pole, and the electromagnetic force of stablizing proportional linearity effectively is provided, and reduces the physical dimension of electromagnet.
Description of drawings
Fig. 1 is the cross section view of first kind of structure of electromagnetic hydraulic valve of prior art
Fig. 2 is the cross section view of second kind of structure of electromagnetic hydraulic valve of prior art
Fig. 3 is the cross section view of this electromagnetic hydraulic valve embodiment's electromagnetic hydraulic valve
Fig. 4 is the cross section view of this electromagnetic hydraulic valve embodiment's valve part nozzle
Fig. 5 is the cross section view of this electromagnetic hydraulic valve embodiment valve part control piston
Fig. 6 is first kind of embodiment's of this electromagnetic hydraulic valve embodiment magnetic pole a cross section view
Fig. 7 is second kind of embodiment's of this electromagnetic hydraulic valve embodiment magnetic pole a cross section view
Among the figure: the hollow control piston 13 piston reaction spring supporting surfaces 14 reaction spring guide cylinder 15 of the front end magnetic pole 1 magnetic shell 2 armatures 3 coil windings 4 sealing rings 5 sealing oil jacket 6 push rods 7 rear end magnetic poles 8 sealing rings 9 reaction springs 10 sealing rings 11 nozzles 12 radially spill port 16 control piston shaft shoulders 17 nozzle radial openings 18 reaction spring supporting surfaces 19 reaction spring mounting-positioning holes 20 nozzle stepped holes 21 nozzle faces 22 control piston end faces 23 spring bases 24 springholes are installed the solid control piston 13a of annular groove 26 rear end magnetic pole cone angle 27 push rod pilot holes, 28 rear end magnetic pole boss cylinder 29 blind holes, 30 valve nozzle 12a with back-up ring 25 back-up rings
Embodiment
Contrast accompanying drawing below, by description to embodiment, to embodiment of the present utility model, be described in further detail as the effect of the mutual alignment between the shape of each related member, structure, the each several part and annexation, each several part and working principle etc.
As shown in Figure 3, electromagnetic hydraulic valve, comprise hollow cylinder magnetic shell 2, coil winding 4, sealing oil jacket 6, can axially movable armature 3, front end magnetic pole 1 and rear end magnetic pole 8, the nozzle 12 of hollow device, the hollow control piston 13 and the reaction spring 10 at coil two ends form.
Described solenoid valve, when coil winding 4 feeds electric current, can axially movable armature 3 under the effect of electromagnetic force to overcoming the reaction spring mechanical axis to moving, hollow control piston 13 moves axially with armature 3, push rod 7, in the process that hollow control piston 13 moves, the control piston shaft shoulder 17 is selectively connected oil circuit P, T, A, the B on the nozzle 12, thereby the adjustment camshaft of controlling combustion engine shifts to an earlier date or the hysteresis several angle the relative bent axle timing of camshaft with respect to the action of the device at crankshaft rotating angle.
As shown in Figure 4, described nozzle 12 is provided with reaction spring installing and locating hole 20, nozzle step hole 21 and with engine cylinder cover four hydraulic fluid ports of P, T, A, B that the valve opening oil circuit joins is installed.
Described hollow control piston 13 is made by the light-weight metal cutting, and piston reaction spring supporting surface 14 and reaction spring guide cylinder 15 are set.
As shown in Figure 5, described electromagnetic hydraulic valve valve member assembles by following mode: reaction spring 10 is passed the control piston shaft shoulder 17 reaction spring 10 1 ends are landed on the piston reaction spring supporting surface 14,15 pairs of springs of reaction spring guide cylinder play the effect of location and guiding simultaneously; The control piston 13 and the reaction spring 10 that assemble are inserted center hole along nozzle 12 end faces 22 ends, make the other end of reaction spring 10 be seated at 20 inside, reaction spring installing and locating hole, so just finished the assembling of valve part, owing to be provided with nozzle step hole 21, make reaction spring 10 in the process of compression, can prevent that the friction of reaction spring and wall from causing the functional deterioration of part or product function to lose efficacy.
Described valve member and electromagnet part make valve part and firm the combining of electromagnet by the magnetic shell 2 bottom margin extrusion-deformations of hollow cylinder, in the process of assembling, valve part nozzle face 22, control piston end face 23 contact with each other with the bottom surface of rear end magnetic pole 8, and the thrust that reaction spring 10 precompression produce fits tightly on the bottom surface of rear end magnetic pole 8 control piston end face 23.This structure, nozzle 12 and control piston 13 simultaneously with the bottom surface of rear end magnetic pole 8 as reference for assembling, making the pre compressed magnitude higher precision of control easily of reaction spring 10 increases consistency of product.
The utility model is compared with existing electromagnetic hydraulic pressure valve arrangement shown in Figure 1, and the utility model valve part nozzle 12 no longer needs deep hole, the blind hole 30 of processed springs seat.And valve nozzle 12a shown in Figure 1 and solid control piston 13a are obviously big than the physical dimension that the utility model is taked at axial dimension, the material that consumes is many, adopt the utility model structure in addition, can alleviate the quality of control piston 13, reduce inertial force, under the high frequency operating mode, obtain the better products performance, last the utility model can make the mounting hole oil circuit interface that matches with valve part simplify, reduction is to the requirement of installing space, reduce nozzle and the needed raw material of control piston, reach the purpose that reduces production costs;
The utility model is compared with second kind of existing electromagnetic hydraulic pressure valve arrangement shown in Figure 2, and the utility model no longer needs to process back-up ring shown in Figure 2 annular groove 26 is installed, also no longer the elasticity of demand hole with back-up ring 25; So not only save the time of machining, also saved a part, simplify product structure, reduce production costs; Adopt the utility model in addition, no longer need installation and processing annular groove 26, also operation and the frock clamping of springhole with back-up ring 25 is not installed, reduce the input of equipment frock, reduce production costs at needs.
As Fig. 7, shown in Figure 8, model utility has been carried out structure optimization to the rear end magnetic pole 8 of electromagnet.The rear end magnetic pole 8 of electromagnet part is provided with cone angle 27, and wherein the taper angle theta angle value is controlled between 5 °～50 °, between particularly 10 °～35 °; Rear end magnetic pole 8 boss cylinder 29 is set simultaneously with push rod pilot hole 28, wherein the ratio of boss cylinder 29 diameter D1 and push rod pilot hole 28 diameter D2 is between 2: 1～4: 1, between particularly 5: 2～3: 1; By such setting, can make electromagnet in the process of energising, armature 3 in axial direction moves towards valve part one end, in the process that moves, armature 3 fore-ends enter set cone angle 27 inside of rear end magnetic pole 8, and along with the difference of inlet, the magnetic line of force that forms the magnetic closed-loop path by cone angle 27 parts reaches certain saturation state easily, prevent that electromagnetic force from too increasing, thereby can be relatively easy to control the axial position of hollow control piston 13; In addition, the existence of cone angle 27 just, make linear variation between electromagnetic force and the electric current, the counter-force that the power of this linear change and reaction spring 10 apply interacts on hollow control piston 13, is determining the axial position of hollow control piston 13.And the control that the spring force of the electromagnetic force of this linear change and reaction spring 10 is proved to be hollow control piston 13 is favourable.By such structure, one side can obtain enough big and don't as for excessive electromagnetic force, reduce the requirement to other component of electromagnet simultaneously, reduces production costs; Can reduce the boundary dimension of electromagnet on the other hand, make product structure compact more, reduce requirement installing space.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. electromagnetic hydraulic valve, by the magnetic shell of hollow cylinder, coil winding, sealing oil jacket, can axially movable armature, front end magnetic pole and rear end magnetic pole, the nozzle of hollow device, the hollow control piston and the reaction spring at coil two ends form; It is characterized in that the magnetic shell of described hollow cylinder is made by the multistage stretching moulding by low-carbon steel plate; The nozzle of described hollow device is arranged side by side three nozzle radial openings, a reaction spring installing and locating hole and a nozzle step hole in radial direction; Described hollow control piston is by the light alloy made, and the control piston shaft shoulder, piston reaction spring supporting surface, radially spill port and reaction spring guide cylinder are set; Described hollow control piston can move axially in the nozzle intermediate hole under the acting in conjunction of the active force of reaction spring and electromagnetic force, and oil circuit P, T, A, B are selectively connected; Described rear end magnetic pole is provided with cone angle, boss cylinder and push rod pilot hole.
2. electromagnetic hydraulic valve according to claim 1 is characterized in that, the taper angle theta angle value of described rear end magnetic pole setting is controlled between 5 °～50 °.
3. electromagnetic hydraulic valve according to claim 2 is characterized in that, the taper angle theta angle value of described rear end magnetic pole setting particularly is controlled between 10 °～35 °.
4. electromagnetic hydraulic valve according to claim 1 is characterized in that, boss body diameter D1 that described rear end magnetic pole is provided with and the ratio of push rod pilot hole diameter D2 are between 2: 1～4: 1.
5. electromagnetic hydraulic valve according to claim 4 is characterized in that, boss body diameter D1 that described rear end magnetic pole is provided with and the ratio of push rod pilot hole diameter D2 are particularly between 5: 2～3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200663606U CN201582443U (en) | 2009-10-22 | 2009-10-22 | Electromagnetic hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200663606U CN201582443U (en) | 2009-10-22 | 2009-10-22 | Electromagnetic hydraulic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201582443U true CN201582443U (en) | 2010-09-15 |
Family
ID=42724441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200663606U Expired - Fee Related CN201582443U (en) | 2009-10-22 | 2009-10-22 | Electromagnetic hydraulic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201582443U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705564A (en) * | 2012-05-24 | 2012-10-03 | 绵阳富临精工机械股份有限公司 | Spring fixing device of electromagnetic valve for executing mechanism of automobile electronic control system |
| CN104197078A (en) * | 2014-08-27 | 2014-12-10 | 安徽环名精控有限公司 | Electromagnetic control valve |
| CN104315227A (en) * | 2014-09-24 | 2015-01-28 | 苏州全龙液压设备有限公司 | Electromagnet for driving hydraulic valve |
| CN106762003A (en) * | 2017-03-27 | 2017-05-31 | 江苏海龙电器有限公司 | For the electromagnetic hydraulic valve of camshaft phase regulation |
| CN111457127A (en) * | 2019-01-22 | 2020-07-28 | 浙江工业大学 | Two-dimensional pilot-operated electromagnetic cartridge valve |
-
2009
- 2009-10-22 CN CN2009200663606U patent/CN201582443U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705564A (en) * | 2012-05-24 | 2012-10-03 | 绵阳富临精工机械股份有限公司 | Spring fixing device of electromagnetic valve for executing mechanism of automobile electronic control system |
| CN102705564B (en) * | 2012-05-24 | 2014-07-23 | 绵阳富临精工机械股份有限公司 | Spring fixing device of electromagnetic valve for executing mechanism of automobile electronic control system |
| CN104197078A (en) * | 2014-08-27 | 2014-12-10 | 安徽环名精控有限公司 | Electromagnetic control valve |
| CN104315227A (en) * | 2014-09-24 | 2015-01-28 | 苏州全龙液压设备有限公司 | Electromagnet for driving hydraulic valve |
| CN106762003A (en) * | 2017-03-27 | 2017-05-31 | 江苏海龙电器有限公司 | For the electromagnetic hydraulic valve of camshaft phase regulation |
| CN111457127A (en) * | 2019-01-22 | 2020-07-28 | 浙江工业大学 | Two-dimensional pilot-operated electromagnetic cartridge valve |
| CN111457127B (en) * | 2019-01-22 | 2024-06-07 | 浙江工业大学 | Two-dimensional pilot type electromagnetic cartridge valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201582443U (en) | Electromagnetic hydraulic valve | |
| CN101228380B (en) | Electromagnetic actuating unit | |
| CN103032619B (en) | AT two-bit triplet inverse proportion vacuum solenoid valve | |
| US8844900B2 (en) | Activation element of an electromagnetic actuating unit of a hydraulic valve | |
| US8714179B2 (en) | Solenoid valve | |
| CN101896717A (en) | Fuel metering device for a high-pressure fuel pump and high-pressure fuel pump | |
| JP2001208234A (en) | Solenoid valve | |
| CN102292525A (en) | Control valves for controlling pressure medium flows | |
| CN101855458A (en) | Pilot-operated directional control valve, particularly for controlling an actuating cylinder of a turbo engine | |
| CN210564819U (en) | Automotive CNG (compressed natural gas) electronic control pressure reducer with piston type valve core structure | |
| CN110260025B (en) | Proportional electromagnetic valve for controlling clutch | |
| CN106050790A (en) | Multi-stroke cylinder | |
| CN104632486B (en) | For the control valve of fuel injector | |
| CN102828874B (en) | Solenoid valve and high-pressure pump having same | |
| CN202110910U (en) | Electromagnet for proportional valve | |
| CN101813211B (en) | Variable flow solenoid valve | |
| CN108561361B (en) | Switching loop composed of two-way plug-in logic valve and slide valve | |
| CN107143436B (en) | Combined double-electromagnetic fuel gas injection valve | |
| CN104454747A (en) | Novel high-frequency response pilot valve adopting double-three-position three-way proportional valve structure | |
| CN111255763B (en) | Hydraulic reversing valve | |
| CN209740629U (en) | Up-down buffering forklift lifting oil cylinder with feedback adjustment function | |
| CN221482797U (en) | Structure of external electromagnetic valve of CDC shock absorber | |
| CN107061056B (en) | Piezoelectric type external guiding gas injection valve with bypass type mixed air inlet | |
| CN107091360B (en) | Straight-through type mixed air inlet external guide gas injection valve | |
| CN207064776U (en) | Magnetic valve and oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Changsha Louli Mechanical and Electrical Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20151022 |