CN114352736A - Ball socket type electromagnetic high-speed switch valve for engineering vehicle - Google Patents
Ball socket type electromagnetic high-speed switch valve for engineering vehicle Download PDFInfo
- Publication number
- CN114352736A CN114352736A CN202111640473.4A CN202111640473A CN114352736A CN 114352736 A CN114352736 A CN 114352736A CN 202111640473 A CN202111640473 A CN 202111640473A CN 114352736 A CN114352736 A CN 114352736A
- Authority
- CN
- China
- Prior art keywords
- valve
- steel ball
- socket
- ball
- oil
- 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.)
- Granted
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
A ball socket type electromagnetic high-speed switch valve for an engineering vehicle belongs to the technical field of switch valves. The electromagnetic driving type high-speed switch valve for the engineering vehicle has the advantages of high response speed, low magnetic leakage, good sealing property, high reliability and small mass. The armature component comprises a first steel ball and a threaded push rod; the first steel ball is connected with the valve core through a threaded push rod, the lower end face of a magnetic yoke of the electromagnetic assembly is a ball socket-shaped curved surface, a gap of the first steel ball is arranged below the ball socket-shaped curved surface, a compression spring of the electromagnetic assembly compresses the surface of the first steel ball, and the electromagnetic assembly controls the first steel ball and the valve core to reciprocate between the magnetic yoke and the valve body. The invention further improves the response speed of the output oil pressure of an electro-hydraulic gear shifting system, an anti-lock system and the like of the engineering vehicle. The traditional conical surface line seal is changed into the spherical-socket-shaped curved surface seal, the leakage problem caused by insufficient electromagnetic force and spring force at the valve port is solved, and the sealing performance and the working reliability of the integral high-speed switch valve are improved.
Description
Technical Field
The invention belongs to the technical field of switch valves, and particularly relates to a ball socket type electromagnetic high-speed switch valve for an engineering vehicle.
Background
The hydraulic transmission system is an energy supply system of the engineering vehicle, and the requirements of power transmission, gear shifting control, lubrication, cooling and the like in the engineering vehicle are met by controlling the pressure and the flow of working oil. The high-speed switch valve is used as a core component of gear shifting control in an engineering vehicle transmission hydraulic system, quickly converts an electric signal sent by a transmission controller into a hydraulic signal, controls the pressure of a corresponding clutch oil cylinder, and controls the power switching of a separation clutch and a combination clutch through the pressure regulation so as to realize the smooth gear shifting of the transmission under the condition of uninterrupted power. In addition, the high-speed switch valve is widely applied to various engineering machinery fields such as engines, fuel injection systems, anti-lock systems and the like, has high response speed, strong anti-pollution capacity and low cost, and is widely concerned by students in the engineering machinery field.
The high-speed switch valve mainly comprises an electro-mechanical driver and a valve body, and can be divided into an electromagnetic driving type, a piezoelectric ceramic driving type, a super-magnetostrictive type and a magnetorheological liquid type according to the difference of an electro-mechanical converter. The electromagnetic drive type is still in the mainstream structural form. The basic working principle of the electromagnetic drive type high-speed switch valve is as follows: the coil in the electromagnet is electrified, the electromagnet structure generates loop magnetic flux, the armature generates axial electromagnetic force in the process of electromagnetic field excitation, the valve core is driven to move, and electromagnetic energy is converted into valve core kinetic energy. Firstly, the working process of the high-speed switch valve is accompanied by energy loss generated by the armature and the valve core due to inertia force and friction force, so that the increase of the response speed of the high-speed switch valve is limited; secondly, the structure is not compact and the problem of magnetic flux leakage of an electromagnetic loop is still the existing problem, and the advantages and disadvantages of the electromagnet structure have important influence on the size of the electromagnetic force on the armature; then, the oil discharge port of the existing two-position three-way high-speed switch valve (two positions mean that two alternate working positions exist inside the valve, and three oil passages of an oil inlet, a control oil port and an oil discharge port exist in the three-way valve), and the oil discharge port is arranged at the end part of the axial electromagnet, so that the oil of the oil discharge port can be discharged outwards in the axial direction, when the valve is positioned in an oil tank, the oil cannot be wasted, the oil of the oil discharge port flows out and can be directly stored in the oil tank, but when the high-speed switch valve is arranged at a position outside the oil tank, the oil discharged outwards from the oil discharge port can be wasted and even pollute the external operating environment; finally, most of the existing high-speed switch valve products used in the field of engineering vehicles are in line sealing, and certain leakage amount exists in the actual engineering operation, so that the reliability of the high-speed switch valve is influenced.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an electromagnetically driven high-speed opening/closing valve for a construction vehicle, which has a high response speed, a low leakage magnetism, a good sealing property, a high reliability, and a small mass.
The technical scheme adopted by the invention is as follows: a ball socket type electromagnetic high-speed switch valve for engineering vehicles comprises a shell, a valve body arranged on the shell, a valve core arranged in the valve body, an electromagnetic assembly arranged in the shell and an armature assembly, wherein the armature assembly is arranged in the valve body, driven by the electromagnetic assembly and linked with the valve core; the armature component comprises a first steel ball and a threaded push rod; the first steel ball and the valve core are connected through a threaded push rod, the lower end face of a magnetic yoke of the electromagnetic assembly is a ball socket-shaped curved surface, a gap between the first steel ball and the ball socket-shaped curved surface is formed below the ball socket-shaped curved surface, a compression spring of the electromagnetic assembly compresses the surface of the first steel ball, and the electromagnetic assembly controls the first steel ball and the valve core to reciprocate between the magnetic yoke and the valve body, so that the switch valve can be opened and closed.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention further improves the response speed of the output oil pressure of an electro-hydraulic gear shifting system, an anti-lock system and the like of the engineering vehicle, the response time is between 2 and 3ms, and the effective working range of pulse width regulation control can be effectively enlarged.
2. The valve seat of the invention changes the traditional conical surface line seal into the spherical-socket-shaped curved surface seal, improves the leakage problem at the valve port caused by insufficient electromagnetic force and spring force, and improves the sealing performance and the working reliability of the integral high-speed switch valve.
3. The magnetic yoke is provided with the magnetic yoke angle and the spherical-socket-shaped curved surface, and the magnetic flux leakage phenomenon of the loop magnetic flux is reduced due to the design of two structures, and the magnetic force line and the magnetic flux flowing to the first steel ball in the magnetic yoke are increased to the maximum extent, so that the electromagnetic force of the valve core is improved, and the action and the reliability of the valve core are improved;
4. according to the invention, the oil discharge port is arranged on the radial step surface of the valve body, so that the collection of oil discharge working oil can be carried out by arranging the radial oil discharge port channel, and the problems of waste of the external discharge working oil of the axial oil discharge port and pollution to the external control environment are avoided.
5. The armature is set to be the spherical steel ball, so that the friction loss of the traditional cylindrical armature is avoided, the electromagnetic force borne by the first steel ball is transmitted to the valve core (the second steel ball) through the middle threaded push rod, the inertia force is small, and the integral structure is more compact;
6. the invention has the advantages of high response speed, low magnetic leakage, good sealing performance, compact structure, wide application range and the like, and is suitable for various fields of gear shifting and speed changing systems, anti-lock systems, fuel injection systems and the like in engineering vehicles.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the main body of the present invention;
FIG. 3 is a top view of the screw;
FIG. 4 is a front view of the screw;
fig. 5 is a front sectional view of the yoke;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a front cross-sectional view of the housing;
FIG. 8 is a top view of FIG. 7;
fig. 9 is a front view of the terminal;
FIG. 10 is a sectional view A-A of FIG. 9;
FIG. 11 is a front cross-sectional view of a first valve seat;
FIG. 12 is a top view of FIG. 11;
FIG. 13 is a front cross-sectional view of the valve seat;
FIG. 14 is a front cross-sectional view of the valve body;
FIG. 15 is a front cross-sectional view of a bobbin
FIG. 16 is a schematic diagram of the closed position of the inlet valve port in the front view direction of the ball socket type electromagnetic high-speed switch valve;
FIG. 17 is a schematic diagram of a left side view direction oil inlet valve port closed position of the ball socket type electromagnetic high-speed switch valve;
FIG. 18 is a schematic diagram of the open position of the inlet valve port of the direction of the front view of the ball socket type electromagnetic high-speed switch valve.
FIG. 19 is a schematic diagram of the left side view direction oil inlet valve port opening position of the ball socket type electromagnetic high-speed switch valve.
The names and reference numbers of the components referred to in the above figures are as follows:
1 part of screw, 1-1 part of cross-shaped groove, 1-2 parts of threaded end, 2 parts of magnet yoke, 2-1 parts of first outer circular surface, 2-2 parts of step surface, 2-3 parts of step fillet, 2-4 parts of second outer circular surface, 2-5 parts of magnet yoke chamfer, 2-6 parts of spherical-socket-shaped curved surface, 2-7 parts of central threaded hole, 2-8 parts of central groove, 2-9 parts of first central hole, 2-10 parts of second central hole, 2-11 parts of radial small hole combination, 3 parts of shell, 3-1 parts of first inner circular surface, 3-2 parts of first step surface, 3-3 parts of second inner circular surface, 3-4 parts of round-corner rectangular groove, 3-5 parts of second circular-shoulder surface, 3-6 parts of third inner circular surface, 3-7 parts of through hole, 4 parts of connecting terminal, 4-1 parts of first plug, 4-2 parts of second plug, 4-3 parts of first hole channel, 4-4 parts of hole channel, 4-5 parts of rectangular groove, 4-5 parts of circular groove, and the like, 4-6 connecting bosses, 5 coils, 6 compression springs, 6-1 spring planes, 6-2 spring tips, 8 steel balls, 8-1 steel ball threaded holes, 10-1 valve seats, 10-1 outer circular surfaces, 10-2 end surfaces, 10-3 central hole I, 10-4 spherical-socket-shaped curved surfaces, 10-5 central hole II, 10-6 rectangular grooves, 10-7 through holes, 12 threaded push rods, 13-13 steel balls, 13-1 steel ball threaded holes, 15 oil inlet filter screens, 16-1 valve seats, 16-1 outer circular surfaces, 16-2 end surfaces, 16-3 spherical-socket-shaped curved surfaces, 16-4 central holes, 16-5 conical surfaces, 17 control port filter screens, 18 oil discharge port filter screens, 19 valve bodies, 19-1 outer circular surfaces, 19-2 step surfaces, 19-3 annular groove I, 19-4 annular groove II, 19-4 steel balls, the step surfaces and the like, 19-5 parts of a third annular groove, 19-6 parts of a fourth annular groove, 19-7 parts of a first inner circle surface, 19-8 parts of a second inner circle surface, 19-9 parts of a third inner circle surface, 19-10 parts of a first radial through hole, 19-11 parts of a second radial through hole, 19-12 parts of a first valve body end surface, 20 parts of a coil framework, 22 parts of a flat gasket and 23 parts of a sealing gasket, wherein the five sealing gaskets are respectively a first sealing gasket 21, a second sealing gasket 7, a third sealing gasket 9, a fourth sealing gasket 11, a fifth sealing gasket 14, a conical annular cavity y1, a steel ball second annular cavity y2, a rectangular cavity y3, an oil discharge cavity y4, a rectangular cavity y5, a steel ball first lower cavity y6, a steel ball first upper cavity y7, a spring cavity y8, a communication cavity y9, an oil inlet valve port A, an oil discharge port B and a loop magnetic flow loop D.
Detailed Description
The ball-and-socket type electromagnetic high-speed switch valve disclosed by the invention uses three ball-and-socket type surface contact pairs, namely a steel ball I8-magnet yoke 2, a steel ball II 13-valve seat I10 and a steel ball II 13-valve seat II 16 ball-and-socket type surface contact pair, wherein the steel ball I8 corresponds to an armature and the steel ball II 13 corresponds to a valve core. The armature and the valve core are both arranged to be spherical structures, and the middle is connected by a threaded push rod 12. The reciprocating motion of the steel ball I8 between the magnetic yoke 2 and the valve seat I10 is transmitted to the steel ball II 13 through the threaded push rod 12, and the steel ball II 13 moves alternately in the valve seat I10 and the valve seat II 16 under the alternate action of spring force and electromagnetic force to control the flow and pressure of working oil. The design that the steel ball I8 replaces the traditional armature effectively avoids the friction loss from electromagnetic energy to the kinetic energy of the valve core, reduces the magnetic leakage phenomenon of loop magnetic flux, improves the electromagnetic force value received by the steel ball I8, and shortens the response time of the high-speed switch valve; the contact surfaces of the second steel ball 13-the first valve seat 10 and the second steel ball 13-the second valve seat 16 are designed into a spherical surface-spherical surface contact pair, compared with the conventional conical surface-spherical surface contact pair, the sealing reliability of the valve seat and the spherical surface is improved, and the leakage problem in the actual working process is improved; the oil discharge port flow passage is arranged on the radial step surface of the valve body 19, so that the problems of oil waste and pollution to the external control environment caused by discharging working oil outside the axial oil discharge port are solved; the spring force of the compression spring 6 can be adjusted through the adjusting screw 1 and the flat gasket 22, so that the closing speed of the oil inlet valve port A of the steel ball II 13 and the opening speed of the oil discharge port valve port B are adjusted, the electromagnetic force borne by the steel ball II 13 can be adjusted according to the current of the coil 5 of the electromagnetic assembly, and the opening speed of the oil inlet valve port A of the steel ball II 13 and the closing speed of the oil discharge port valve port B are adjusted; the ball-and-socket type electromagnetic high-speed switch valve avoids the friction loss of the motion of an armature, increases the electromagnetic force value borne by the steel ball I8, improves the response speed of the working oil pressure and flow of the valve port B of an oil discharge port and the valve port A of an oil inlet, effectively improves the linear working range of pulse width modulation control, and has the advantages of higher response speed, lower magnetism leakage, better sealing reliability, compact structure, convenient installation and convenient recovery of oil liquid at the oil discharge port by matching the design of the valve core of the spherical steel ball with the structural forms of the ball-and-socket type valve seat and the magnetic yoke 2.
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 19, and provides a ball-and-socket electromagnetic high-speed switch valve for a construction vehicle, which comprises a housing 3, a valve body 19 mounted on the housing 3, a valve core arranged in the valve body 19, an electromagnetic assembly mounted in the housing 3, and an armature assembly, wherein the armature assembly is mounted in the valve body 19, driven by the electromagnetic assembly and linked with the valve core; the armature component comprises a first steel ball 8 and a threaded push rod 12; the first steel ball 8 is connected with the valve core through a threaded push rod 12, the lower end face of a magnetic yoke 2 of the electromagnetic assembly is a ball socket-shaped curved surface 2-6, a gap between the first steel ball 8 is formed below the ball socket-shaped curved surface 2-6, a compression spring 6 of the electromagnetic assembly compresses the surface of the first steel ball 8, and the electromagnetic assembly controls the first steel ball 8 and the valve core to reciprocate between the magnetic yoke 2 and the valve body 19, so that the switch valve can be opened and closed.
The second embodiment is as follows: referring to fig. 2, the present embodiment is described, and is further limited to the first specific embodiment, in the present embodiment, the valve core is a second steel ball 13, the first valve seat 10 and the second valve seat 16 are sequentially disposed in the inner cavity of the valve body 19 from top to bottom, the second steel ball 13 is movably disposed between the first valve seat 10 and the second valve seat 16, an oil discharge port B is disposed between the second steel ball 13 and the first valve seat 10, an oil inlet port a is disposed between the second steel ball 13 and the second valve seat 16, and the second steel ball 13 moves alternately in the first valve seat 10 and the second valve seat 16 under the alternate action of the spring force of the compression spring 6 and the electromagnetic force of the electromagnetic assembly to control the flow rate and the pressure of the working oil. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 2 and 14, and the embodiment further defines a second embodiment, in the embodiment, an axially through inner cavity is arranged on the valve body 19, oil is fed from the bottom of the inner cavity, a first radial through hole 19-10 communicated with the inner cavity is formed in the valve body 19 to form an oil discharge port flow passage, a second radial through hole 19-11 communicated with the inner cavity is formed in the valve body 19 to form a control oil port flow passage, a first annular groove 19-3 communicated with the oil discharge port flow passage is formed in the valve body 19 to be embedded into an oil discharge port filter screen 18, a third annular groove 19-5 communicated with the control oil port flow passage is formed in the valve body 19 to be embedded into a control oil port filter screen 17, and a fourth seal ring 11 and a fifth seal ring 14 are respectively arranged below the oil discharge port flow passage and the control oil port flow passage. The other components and the connection mode are the same as those of the second embodiment.
A fourth embodiment will be described with reference to fig. 2, which further defines the third embodiment, wherein the electromagnetic assembly includes a yoke 2, a housing 3, a terminal 4, a coil 5, a compression spring 6, and a bobbin 20; the compression spring 6 is placed in a first magnetic yoke center hole 2-9 formed in the magnetic yoke 2, a spring tip 6-2 of the compression spring 6 extends out of a second magnetic yoke center hole 2-10 formed in the magnetic yoke 2 and is pressed on the surface of the steel ball I8, the coil frame 20 is sleeved on the outer side of the magnetic yoke 2, the coils 5 are wound in a second annular groove 20-4 of the coil frame 20 in a side-by-side mode, the coils 5 and the coil frame 20 are placed in a second inner circular surface 3-3 of the shell 3, and a plug of the wiring terminal 4 introduces current into the coils 5.
The fifth concrete implementation mode: referring to fig. 5, this embodiment is described, and the fourth embodiment is further limited, in this embodiment, the outer circumferential surface of the lower end of the magnetic yoke 2 is a second magnetic yoke outer circumferential surface 2-4, the second magnetic yoke outer circumferential surface 2-4 is reduced in diameter, so that a gap is provided between the second magnetic yoke outer circumferential surface 2-4 and the coil bobbin 20, the gap is a first steel ball upper cavity y7, a magnetic yoke chamfer 2-5 is provided at the end of the second magnetic yoke outer circumferential surface 2-4, and the angle of the magnetic yoke chamfer 2-5 is 25 to 45 °. The other components and the connection mode are the same as those of the fourth embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 2 and 5, and the embodiment further defines a fifth specific embodiment, in which the yoke 2 is provided with a central groove 2-8, a central threaded hole 2-7, an internal central hole one 2-9 and a yoke end central hole two 2-10 in sequence from top to bottom; the central threaded hole 2-7 is used for screwing the set screw 1, the central groove 2-8 is used for embedding the whole screw 1 and the sealing washer 23, and the internal central hole I2-9 is used for placing the compression spring 6 and the flat washer 22; the flat gasket 22 is arranged between the screw 1 and the end of the spring plane 6-1 of the compression spring 6, the spring force of the compression spring 6 is adjusted by adjusting the screwing depth of the screw 1, and the spring tip 6-2 of the compression spring 6 extends out of the second 2-10 of the central hole of the magnetic yoke to press the surface of the first 8 steel balls. The other components and the connection mode are the same as the fifth embodiment mode.
The seventh embodiment: the present embodiment is described with reference to fig. 11 to 12, and is further limited by a sixth specific embodiment, in the present embodiment, the first valve seat 10 is provided with a first central hole 10-3 and a second central hole 10-5 in sequence from top to bottom, and two sides of the first central hole 10-3 are provided with communicated rectangular grooves 10-6, the first central hole 10-3 is used for axial guiding of the screw push rod 12, the center of the end surface 10-2 below the first valve seat 10 is provided with a spherical-socket curved surface 10-4, the curvature of the spherical-socket curved surface 10-4 is consistent with that of the second steel ball 13, the spherical-socket curved surface and the second steel ball 13 form an oil discharge port valve port B, the second central hole 10-5 and the rectangular groove 10-6 serve as a working oil flow passage, and a through hole 10-7 radially arranged on the first valve seat 10 is used for an outer discharge flow passage of the working oil of the oil discharge port B. Other components and connection modes are the same as those of the sixth embodiment.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 13, and is further limited to the seventh embodiment, in the present embodiment, a dimple-shaped curved surface 16-3 is provided at the center of the end surface 16-2 of the second valve seat 16, the curvature of the dimple-shaped curved surface 16-3 is identical to that of the second steel ball 13, the dimple-shaped curved surface 16-3 cooperates with the second steel ball 13 to form the inlet port a, and the second valve seat 16 is provided with a central hole 16-4 and a conical surface 16-5 as an inlet chamber for working oil. The other components and the connection mode are the same as those of the seventh embodiment.
The specific implementation method nine: the present embodiment will be described with reference to fig. 5, which further defines an eighth embodiment, in which the curvature of the dimple-shaped curved surface 2-6 is the same as the diameter of the first steel ball 8. The other components and the connection mode are the same as those of the eighth embodiment.
The detailed implementation mode is ten: referring to fig. 5, the present embodiment is described, and is further limited to the ninth embodiment, in the present embodiment, radial small hole combinations 2 to 11 are formed at positions of two 2 to 4 outer circular surfaces of the magnetic yoke, the radial small hole combinations 2 to 11 are uniformly distributed along the radial circumference of the magnetic yoke 2, and the spring cavity y8 of the magnetic yoke 2 is connected with the working oil in the two upper cavities y7 of the steel balls, so as to ensure that the spring cavity y8 is not a closed cavity, and to increase oil circulation and accelerate radial heat dissipation of the coil 5. The other components and the connection mode are the same as those of the ninth embodiment.
As shown in fig. 2, 3, and 4: the screw 1 is made of alloy steel, a cross-shaped groove 1-1 is formed in the end face of the screw 1, so that a cross screwdriver can be inserted conveniently for screwing operation, and a threaded end 1-2 of the screw 1 is screwed into a central threaded hole 2-7 of the magnet yoke 2.
As shown in fig. 2, 5, and 6: the magnetic yoke 2 is made of soft magnetic material electric pure iron DT4C, is axially symmetrical as a whole, and forms an axial inner contour and a partial radial contour of the excitation of the high-speed switch valve. The first magnetic yoke outer circle surface 2-1 at the upper end of the magnetic yoke 2 is in nested fit with the first inner circle surface 3-1 of the shell 3, the magnetic yoke 2 is provided with a step, and the first step surface 2-2 above the step tightly presses the first step surface 3-2 of the shell 3. And a step fillet 2-3 arranged below the step is used for placing a first sealing ring 21 to prevent working oil from leaking at a gap formed by the magnetic yoke 2 and the coil framework 20. The end parts of the two 2-4 outer circular surfaces of the magnet yoke 2 are provided with magnet yoke chamfers 2-5 (the angle is 25-45 degrees), the axial end surface of the magnet yoke 2 is a spherical-socket-shaped curved surface 2-6, the curvature of the spherical-socket-shaped curved surface 2-6 is the same as the diameter of the first steel ball 8, and compared with the traditional conical surface design, the two-position design furthest increases the magnetic force line and the magnetic flux pointing to the first steel ball 8 from the magnet yoke 2 during excitation (when the coil 5 is electrified), reduces the magnetic flux leakage of loop magnetic flux, and improves the electromagnetic force value of the first steel ball 8 in the excitation process. A spherical gap is formed between the magnetic yoke spherical socket-shaped curved surface 2-6 and the steel ball I8, when the coil is energized, the steel ball I8 which receives electromagnetic force overcomes the spring force of the spring tip 6-2 of the compression spring 6 to press the magnetic yoke spherical socket-shaped curved surface 2-6, the steel ball II 13 is driven by the threaded push rod 12 to move upwards, the valve port B of the oil discharge port is closed, when the coil 5 is de-energized, the electromagnetic force received by the steel ball I8 disappears, the steel ball II 13 presses the spherical socket-shaped curved surface 16-3 of the valve seat II 16 under the spring force of the spring tip 6-2, and the valve port B of the oil discharge port is opened. The center of the magnetic yoke 2 is provided with a central threaded hole 2-7 for screwing the set screw 1, an internal central groove 2-8 for embedding the whole set screw 1 and a sealing washer 23, and an internal central hole I2-9 for placing a compression spring 6 and a flat washer 22. The central hole two 2-10 at the end of the yoke 2 is used for the extension of the spring tip 6-2. Radial small hole combinations 2-11 are uniformly distributed along the radial circumference at the second 2-4 of the outer circle surface of the magnetic yoke, and the spring cavity y8 is connected with working oil of the first steel ball upper cavity y7, so that the spring cavity y8 is not a closed cavity, the false operation of the compression spring 6 is avoided being influenced when pressure exists in the oil, the oil circulation is increased on the other hand, and the radial heat dissipation of the coil 5 is accelerated.
As shown in fig. 2, 7, and 8: the outer casing 3, made of soft magnetic material electrical pure iron DT4C, is cylindrical in shape as a whole, and forms the excitation external axial profile of the high-speed switch valve, which is one of the most important parts of the valve. The inner cavity of the shell 3 consists of a first inner circle surface 3-1, a second inner circle surface 3-3 and a third inner circle surface 3-6 from top to bottom in sequence, the first inner circle surface 3-1 is used for embedding a first outer circle surface 2-1 of the magnetic yoke 2, the first step surface 3-2 arranged on the bottom surface of the first inner circle surface 3-1 is used as a positioning installation surface for integrally embedding the magnetic yoke, a wiring terminal 4, a coil framework 20 and a coil 5 are embedded in the second inner circle surface 3-3, a round-angle rectangular groove 3-4 is formed in the shell wall of the shell 3 and used for embedding the wiring terminal 4, the second step surface 3-5 arranged on the bottom surface of the second inner circle surface 3-3 is used for positioning the first valve body end surface 19-12, the third inner circle surface 3-6 is matched with the first outer circle surface 19-1 of the valve body, the end part of the magnetic yoke 2 is used for installing the shell 3 and the valve body 19 together through rolling closing-in sequence, through holes 3-7 uniformly distributed in the radial direction of the magnetic yoke 2 are installation holes of the whole high-speed switch valve relative to an installation surface and are used for installing and fixing the whole switch valve and the installation surface.
As shown in fig. 1, 9, and 10: the connecting terminal 4 is an assembly, the plug material is metal (generally copper Cu), and the others are non-metal plastics (generally PA material), and the connecting terminal is used as a socket for a lead of the internal coil and an external cable. The wiring terminal 4 comprises a first plug 4-1 and a second plug 4-2; the plug I4-1 and the plug II 4-2 are respectively welded with the wire inlet end and the wire outlet end of the coil 5 through the hole channel I4-3 and the hole channel II 4-4, and when the plug (the plug I4-1 and the plug II 4-2) of the wiring terminal is electrified, the coil 5 in the high-speed switch valve is electrified. The rectangular groove 4-5 of the connecting terminal 4 corresponds to a wire cable socket of a user side, so that the connecting terminal 4 can be installed and fixed conveniently. The connecting boss 4-6 of the connecting terminal 4 is embedded in the round-corner rectangular groove 3-4 of the shell 3.
As shown in fig. 2: the compression spring 6 is made of 40Cr and is integrally placed in a central hole I2-9 of the magnetic yoke 2. One end 6-1 of a spring plane of the compression spring 6 is matched with the flat gasket 22, the spring force is adjusted through the screwing depth of the adjusting screw 1, and the other end of the spring plane is provided with a spring tip 6-2, so that the surface of the first pressing steel ball 8 can conveniently penetrate through the position 2-10 of the central hole II of the magnetic yoke 2.
As shown in fig. 2: the first steel ball 8 is made of bearing steel and serves as an armature in the traditional sense, and the first steel ball 8 is connected with the threaded push rod 12 through the threaded hole 8-1. When degaussing (the coil 5 is not electrified), the first steel ball 8 transmits the spring force to the second steel ball 13 through the threaded push rod 8-1, the second steel ball 13 is pressed on the spherical-socket-shaped curved surface 16-3 of the second valve seat 16, and when excitation (the coil 5 is electrified), the first steel ball 8 subjected to electromagnetic force overcomes the spring force to press the spherical-socket-shaped curved surface 2-6 of the magnetic yoke 2, so that the second steel ball 13 is driven to displace, and the sizes of the valve port A of the oil inlet and the valve port B of the oil outlet are changed.
As shown in fig. 2, 11, and 12: the first valve seat 10 is made of alloy steel, the outer circular surface 10-1 of the first valve seat is in interference fit with the inner circular surface 19-7 at the upper end of the inner cavity of the valve body 19, the fit tolerance is recommended to be H7/s6, the end surface 10-2 below the first valve seat 10 serves as a positioning surface of the interference fit, the first valve seat 10 is sequentially provided with a first central hole 10-3 and a second central hole 10-5 from top to bottom, two sides of a central hole I10-3 are provided with communicated rectangular grooves 10-6, the central hole I10-3 is used for axial guiding of a threaded push rod 12, the center of an end face 10-2 is provided with a ball socket-shaped curved surface 10-4, the curvature of the ball socket-shaped curved surface 10-4 is consistent with that of a steel ball II 13, an oil discharge port valve port B is formed with the steel ball II 13, a central hole II 10-5 and a rectangular groove 10-6 are used as working oil flow passages, and through holes 10-7 which are radially arranged are used for an outer discharge flow passage of the working oil of the oil discharge port valve port B.
As shown in fig. 2: and the threaded push rod 12 is made of alloy steel, has threads at two ends and is respectively connected with the first steel ball 8 and the second steel ball 13, and transmits the spring force and the electromagnetic force borne by the first steel ball 8 to the second steel ball 13 through the threaded push rod 12.
As shown in fig. 2: the second steel ball 13 is made of bearing steel and serves as a valve core in the traditional sense, and a threaded hole 13-1 in the second steel ball 13 is used for being connected with the threaded push rod 12. The second steel ball 13 moves back and forth between the first valve seat 10 and the second valve seat 16, wherein an oil outlet valve port B is arranged between the second steel ball 13 and the first valve seat 10, and an oil inlet valve port A is arranged between the second steel ball 13 and the second valve seat 16.
As shown in fig. 2 and 13: the second valve seat 16 is made of alloy steel, the outer circular surface 16-1 of the second valve seat 16 and the inner circular surface 19-8 of the valve body 19 form interference fit, the fit tolerance is recommended to be H7/s6, the second valve seat 16 is provided with a step, the end surface 16-2 of the step serves as a positioning surface of the interference fit, the center of the end surface 16-2 is provided with a spherical-socket-shaped curved surface 16-3, the curvature of the spherical-socket-shaped curved surface 16-3 is consistent with that of the second steel ball 13, the spherical-socket-shaped curved surface 16-3 is matched with the second steel ball 13 to form an oil inlet valve port A, and a central hole 16-4 and a conical surface 16-5 which are formed in the second valve seat 16 serve as inlet cavities of working oil.
As shown in fig. 2 and 14: the valve body 19 is made of soft magnetic material electric pure iron DT4C, a first outer circular surface 19-1 arranged at the upper end of the valve body 19 is pressed in a third inner circular surface 3-6 of the shell 3 through rolling and closing, a first step surface 19-2 is arranged below the first outer circular surface 19-1 of the valve body 19, the first step surface 19-2 is used for placing a third sealing ring 9, a first annular groove 19-3 is used for embedding the oil discharge port filter screen 18, a second annular groove 19-4 arranged below the first annular groove 19-3 is used for placing a fourth sealing ring 11, a third annular groove 19-5 is used for embedding the control oil discharge port filter screen 17, and a fourth annular groove 19-6 arranged below the third annular groove 19-5 is used for placing a fifth sealing ring 14. The first inner circle surface 19-7 at the upper end of the inner cavity of the valve body 19 is in interference fit with the first valve seat 10, the second inner circle surface 19-8 at the lower end of the inner cavity of the valve body 19 is in interference fit with the second valve seat 16, the third inner circle surface 19-9 below the second inner circle surface 19-8 is used for embedding the oil inlet filter screen 15, the first radial through hole 19-10 forms an oil discharge port flow passage, the second radial through hole 19-11 forms a control port flow passage, and the first valve body end surface 19-12 compresses the second step surface 3-5 of the shell 3 to be used for positioning during closing and rolling.
As shown in fig. 2 and 15: the coil framework 20 is made of epoxy phenolic glass cloth and is axisymmetrical as a whole, the magnet yoke 2 penetrates through the inside of the central hole 20-1, a first sealing ring 21 is placed at a shoulder hole 20-2 arranged on the outer side of the central hole 20-1 to ensure the sealing performance of oil at a gap between the coil framework 20 and the magnet yoke 2, and a second sealing ring 7 is placed in a first annular groove 20-3 formed in the bottom surface of the coil framework 20 to ensure the sealing performance of the oil at the gap formed between the valve body 19 and the coil framework 20. The second annular groove 20-4 of the coil bobbin 20 is used for winding the coil 5.
As shown in fig. 2: the flat gasket 22 made of stainless steel is placed between the compression spring 6 and the screw 1 and used for adjusting the compression amount of the compression spring 6 and further compressing the spring force of the tip 6-2 of the spring on the first steel ball 8. The number of the flat gaskets 22 is determined by the spring force, and the number of the flat gaskets 22 is generally 1 to 3.
As shown in fig. 1 and 2: the oil inlet filter screen 15 is embedded into the third 19-9 inner circular surface of the valve body 19; the control oil port filter screen 17 is embedded into the periphery of the annular groove III 19-5 of the valve body 19; and the oil discharge port filter screen is embedded into the first annular groove 19-3 of the valve body 19 and is used for preventing external dust and small particles from entering the control oil duct and ensuring the cleanliness of the flow passage in the valve.
As shown in fig. 1 and 2: the first sealing ring 21, the second sealing ring 7, the third sealing ring 9, the fourth sealing ring 11 and the fifth sealing ring 14 are all O-shaped sealing rings and are made of hydrogenated nitrile rubber. The first sealing ring 21 is placed at a shoulder hole 20-2 of the coil skeleton 20 to ensure the sealing performance of a gap formed between the coil skeleton 20 and the magnet yoke 2, the second sealing ring 7 is placed at a first annular groove 20-3 of the coil skeleton 20 to ensure the sealing performance of the gap formed between the coil skeleton 20 and the valve body 19, the third sealing ring is placed at a first step surface 19-2 of the valve body 19 to isolate the outside from oil in an internal oil discharge port, the fourth sealing ring 11 is placed at a second annular groove 19-4 of the valve body 19 to ensure the sealing performance between the outside and a first radial through hole 19-10 of the valve body 19, and the fifth sealing ring 14 is placed at a fourth annular groove 19-6 of the valve body 19 to ensure the sealing performance of the oil between the radial through hole 19-11 of the valve body 19 and a conical annular cavity y1 of the first valve seat 10. The sealing washer 23 is used for oil sealing of the spring chamber y 8.
As shown in fig. 1 and 2: the relation among the ball-and-socket type electromagnetic high-speed switch valve main body parts is as follows: the compression spring 6 is placed in the first magnetic yoke center hole 2-9, the spring tip 6-2 extends out of the second magnetic yoke center hole 2-10, the flat gasket 22 is placed at the end of the spring plane 6-1, and the screw 1 is screwed into the center threaded hole 2-7 of the magnetic yoke. The coil 5 is wound in the annular groove II 20-4 of the coil framework in a parallel mode, the coil 5 and the coil framework 20 are arranged in the inner circular surface II 3-3 of the shell, a plug of the wiring terminal 4 introduces current into the coil 5, and a connecting boss 4-6 of the wiring terminal is embedded into the round-angle rectangular groove 3-4 of the valve body. The first sealing ring 21 is placed in the shoulder hole 20-2 of the coil skeleton, and the second sealing ring 7 is placed in the first annular groove 20-3 of the coil skeleton 20. The first steel ball 8, the threaded push rod 12 and the second steel ball 13 form a moving part, the first valve seat 8 and the first valve body inner circular surface 19-7 form interference fit, the threaded push rod 12 reciprocates in the first valve seat 10 central hole 10-3, the second steel ball 13 is embedded between the first valve seat 10 and the second valve seat 16, the second valve seat 16 and the second valve body 19 inner circular surface 19-8 form interference fit, when the coil 5 is de-energized, the second steel ball 13 is placed between the ball socket-shaped curved surface 10-4 of the first valve seat 10 and the ball socket-shaped curved surface 16-3 of the second valve seat 16, the spring force is transmitted to the second steel ball 13 through the first steel ball 8 and the threaded push rod 12 by the spring tip 6-2, and the ball socket-shaped curved surface 16-3 of the second valve seat 16 is pressed by the second steel ball 13. An oil inlet filter screen 15 is embedded into a third 19-9 inner circular surface of the valve body, a control port filter screen 17 is embedded into a first 19-11 outer circular groove of the valve body, an oil discharge port filter screen 18 is embedded into a first 19-3 annular groove of the valve body, a first sealing ring 21 is placed at a first shoulder hole 20-2 of a coil framework 20, a second sealing ring 7 is placed at a first 20-3 annular groove of the coil framework 20, a third sealing ring is placed at a first 19-2 step surface of the valve body, a fourth sealing ring 11 is placed at a second 19-4 annular groove of the valve body, and a fifth sealing ring 14 is placed at a fourth 19-6 annular groove of the valve body.
The working process of the ball-and-socket electromagnetic high-speed switch valve of the invention is specifically described as follows: as shown in fig. 16-19, when in a demagnetized state (when the coil 5 is not energized), the compression spring 6 transmits the spring force of the spring tip 6-2 from the first steel ball 8 and the threaded push rod 12 to the second steel ball 13, the second steel ball 13 presses the spherical-socket-shaped curved surface 16-3 of the second valve seat 16 under the action of the spring force, at this time, the oil inlet valve port a is closed, the oil outlet valve port B is opened, the oil in the conical annular cavity y1 is not communicated with the second steel ball annular cavity y2, the pressure oil in the second steel ball annular cavity y2 enters the oil unloading cavity y4 through one part of the first rectangular cavity y3, flows out from the through hole 10-7 of the first valve seat 10 and the first radial through hole 19-10, and the other part enters the lower steel ball cavity y6, the upper cavity y7 of the first steel ball, the spring cavity y8 and the communication cavity y9 through the rectangular cavity y5, so that the oil in the cavities is filled; when in an excitation state (when the coil 5 is electrified), loop magnetic flux D is generated among the shell 3, the magnetic yoke 2, the first steel ball 8 and the valve body 19 (the loop magnetic flux has the trend shown in figures 18 and 19), at the moment, the first steel ball 8 is subjected to electromagnetic force opposite to the initial spring force, under the action of electromagnetic force, the first steel ball 8 drives the second steel ball 13 to overcome the spring force to leave the second spherical-socket-shaped curved surface 16-3 of the valve seat through the threaded push rod 12, and the ball socket-shaped curved surface 10-4 of the first valve seat is pressed, at the moment, the valve port A of the oil inlet is opened, the valve port B of the oil outlet is closed, the oil in the conical annular cavity y1 enters the annular cavity y2 of the second steel ball 13 through the valve port A of the oil inlet, and flows out of the control demand end through the radial through hole II 19-11 of the valve body, and oil in the rectangular cavity I y3, the oil discharge cavity I y4, the rectangular cavity I5, the steel ball I lower cavity I6, the steel ball I upper cavity I y7, the spring cavity I8 and the communicating cavity I9 is released through the valve body radial through hole I19-10. The spring force output by the compression spring 6 can be adjusted by changing the screwing depth of the screw 1 and the number of the flat gaskets 22, and the electromagnetic force received by the first steel ball 8 can be adjusted by adjusting the current in the coil 5.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A ball socket type electromagnetic high-speed switch valve for engineering vehicles is characterized in that: the electromagnetic valve comprises a shell (3), a valve body (19) arranged on the shell (3), a valve core arranged in the valve body (19), an electromagnetic assembly arranged in the shell (3) and an armature assembly, wherein the armature assembly is arranged in the valve body (19), driven by the electromagnetic assembly and linked with the valve core; the method is characterized in that: the armature component comprises a first steel ball (8) and a threaded push rod (12); the first steel ball (8) is connected with the valve core through a threaded push rod (12), the lower end face of a magnetic yoke (2) of the electromagnetic assembly is a ball socket-shaped curved surface (2-6), a gap between the first steel ball (8) is formed below the ball socket-shaped curved surface (2-6), a compression spring (6) of the electromagnetic assembly compresses the surface of the first steel ball (8), and the electromagnetic assembly controls the first steel ball (8) and the valve core to reciprocate between the magnetic yoke (2) and the valve body (19) so that the switch valve can be opened and closed.
2. The ball-and-socket electromagnetic high-speed switching valve for the engineering vehicle according to claim 1, characterized in that: the valve core is a steel ball II (13), a valve seat I (10) and a valve seat II (16) are sequentially arranged in an inner cavity of the valve body (19) from top to bottom, the steel ball II (13) is movably arranged between the valve seat I (10) and the valve seat II (16), an oil discharge port valve port B is arranged between the steel ball II (13) and the valve seat I (10), an oil inlet valve port A is arranged between the steel ball II (13) and the valve seat II (16), and the steel ball II (13) alternately moves in the valve seat I (10) and the valve seat II (16) under the alternate action of the spring force of the compression spring (6) and the electromagnetic force of the electromagnetic assembly to control the flow and the pressure of working oil.
3. The ball-and-socket electromagnetic high-speed switching valve for the engineering vehicle according to claim 2, characterized in that: the oil pump is characterized in that an axially through inner cavity is formed in the valve body (19), oil is fed from the bottom of the inner cavity, a first radial through hole (19-10) communicated with the inner cavity is formed in the valve body (19) to form an oil discharge port flow passage, a second radial through hole (19-11) communicated with the inner cavity is formed in the valve body (19) to form a control oil port flow passage, a first annular groove (19-3) communicated with the oil discharge port flow passage is formed in the valve body (19) and used for embedding an oil discharge port filter screen (18), a third annular groove (19-5) communicated with the control oil port flow passage is formed in the valve body (19) and used for embedding a control oil port filter screen (17), and a fourth seal ring (11) and a fifth seal ring (14) are respectively installed below the oil discharge port flow passage and the control oil port flow passage.
4. The ball-and-socket electromagnetic high-speed switching valve for the engineering vehicle according to claim 3, characterized in that: the electromagnetic assembly comprises a magnet yoke (2), a shell (3), a wiring terminal (4), a coil (5), a compression spring (6) and a coil framework (20); the compression spring (6) is placed in a first magnet yoke center hole (2-9) formed in the magnet yoke (2), a spring tip (6-2) of the compression spring (6) extends out of a second magnet yoke center hole (2-10) formed in the magnet yoke (2) and is pressed on the surface of a first steel ball (8), the coil frame (20) is sleeved on the outer side of the magnet yoke (2), the coil (5) is wound in a second annular groove (20-4) of the coil frame (20) in a parallel mode, the coil (5) and the coil frame (20) are placed in a second inner circular surface (3-3) of the shell (3), and a plug of the wiring terminal (4) introduces current into the coil (5).
5. The ball-and-socket electromagnetic high-speed switching valve for the engineering vehicle according to claim 4, characterized in that: the outer circular surface of the lower end of the magnetic yoke (2) is a second magnetic yoke outer circular surface (2-4), the second magnetic yoke outer circular surface (2-4) is arranged in a reducing mode, a gap is arranged between the second magnetic yoke outer circular surface (2-4) and the coil framework (20), the gap is a first steel ball upper cavity y7, a magnetic yoke chamfer (2-5) is arranged at the end portion of the second magnetic yoke outer circular surface (2-4), and the angle of the magnetic yoke chamfer (2-5) is 25-45 degrees.
6. The ball-and-socket electromagnetic high-speed switching valve for the engineering vehicle according to claim 5, characterized in that: the magnetic yoke (2) is sequentially provided with a central groove (2-8), a central threaded hole (2-7), an internal central hole I (2-9) and a magnetic yoke end central hole II (2-10) from top to bottom; the central threaded hole (2-7) is used for screwing the set screw (1), the central groove (2-8) is used for embedding the whole screw (1) and the sealing washer (23), and the internal central hole I (2-9) is used for placing the compression spring (6) and the flat washer (22); the flat gasket (22) is arranged between the screw (1) and the spring plane (6-1) end of the compression spring (6), the spring force of the compression spring (6) is adjusted by adjusting the screwing depth of the screw (1), and the spring tip (6-2) of the compression spring (6) extends out of the magnetic yoke central hole II (2-10) to press the surface of the steel ball I (8).
7. The ball-and-socket electromagnetic high-speed switching valve for the engineering vehicle according to claim 6, characterized in that: the valve seat I (10) is sequentially provided with a first central hole (10-3) and a second central hole (10-5) from top to bottom, communicated rectangular grooves (10-6) are formed in two sides of the first central hole (10-3), the first central hole (10-3) is used for axial guiding of a threaded push rod (12), a spherical-socket-shaped curved surface (10-4) is arranged in the center of an end surface (10-2) below the first valve seat I (10), the curvature of the spherical-socket-shaped curved surface (10-4) is consistent with that of the second steel ball (13), an oil discharge port valve port B is formed by the spherical-socket-shaped curved surface and the second steel ball (13), the second central hole (10-5) and the rectangular grooves (10-6) serve as working oil flow channels, and through holes (10-7) radially arranged in the first valve seat I (10) are used for outer discharge flow channels of the working oil of the oil discharge port B.
8. The ball-and-socket electromagnetic high-speed switching valve for the construction vehicle according to claim 7, wherein: the center of the end face (16-2) of the second valve seat (16) is provided with a spherical-socket-shaped curved surface (16-3), the curvature of the spherical-socket-shaped curved surface (16-3) is consistent with that of the second steel ball (13), the spherical-socket-shaped curved surface (16-3) is matched with the second steel ball (13) to form an oil inlet valve port A, and a central hole (16-4) and a conical surface (16-5) which are arranged on the second valve seat (16) are used as an inlet cavity of working oil.
9. The ball-and-socket electromagnetic high-speed switching valve for the construction vehicle according to claim 8, wherein: the curvature of the spherical-socket-shaped curved surface (2-6) is the same as the diameter of the first steel ball (8).
10. The ball-and-socket electromagnetic high-speed switching valve for the construction vehicle according to claim 9, characterized in that: and a radial small hole combination (2-11) is arranged on the second outer circular surface (2-4) of the magnetic yoke, the radial small hole combination (2-11) is uniformly distributed along the radial circumference of the magnetic yoke (2), and a spring cavity y8 of the magnetic yoke (2) is connected with working oil in the second upper cavity y7 of the steel ball, so that the spring cavity y8 is not a closed cavity, the oil circulation is increased, and the radial heat dissipation of the coil (5) is accelerated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640473.4A CN114352736B (en) | 2021-12-29 | 2021-12-29 | Ball socket type electromagnetic high-speed switch valve for engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640473.4A CN114352736B (en) | 2021-12-29 | 2021-12-29 | Ball socket type electromagnetic high-speed switch valve for engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114352736A true CN114352736A (en) | 2022-04-15 |
| CN114352736B CN114352736B (en) | 2022-08-02 |
Family
ID=81102663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111640473.4A Active CN114352736B (en) | 2021-12-29 | 2021-12-29 | Ball socket type electromagnetic high-speed switch valve for engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114352736B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113696U (en) * | 1974-07-18 | 1976-01-31 | ||
| US4558498A (en) * | 1982-11-12 | 1985-12-17 | Diesel Kiki Co., Ltd. | Process for the manufacture of solenoid operated valve |
| US4662567A (en) * | 1984-12-13 | 1987-05-05 | Robert Bosch Gmbh | Electromagnetically actuatable valve |
| US4863142A (en) * | 1988-04-29 | 1989-09-05 | Sealed Power Corporation | Electromagnetic solenoid valve with variable force motor |
| JP2001280531A (en) * | 2000-03-29 | 2001-10-10 | Aisin Seiki Co Ltd | Solenoid valve device |
| CN201779334U (en) * | 2010-08-24 | 2011-03-30 | 浙江万向精工有限公司 | ABS normally closed electromagnetic valve with spherical armature iron |
| CN104329310A (en) * | 2014-10-23 | 2015-02-04 | 贵州红林机械有限公司 | Electromagnetic valve for automatic variable-speed system of engineering vehicle and assembly method thereof |
| CN104791540A (en) * | 2013-10-15 | 2015-07-22 | 大陆汽车系统公司 | Normally high solenoid assembly |
| CN104948813A (en) * | 2014-03-28 | 2015-09-30 | 株式会社电装 | Solenoid and hydraulic pressure control apparatus having the same |
| JP2015190621A (en) * | 2014-03-31 | 2015-11-02 | 日信工業株式会社 | Solenoid valve and vehicular brake liquid pressure control system |
-
2021
- 2021-12-29 CN CN202111640473.4A patent/CN114352736B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113696U (en) * | 1974-07-18 | 1976-01-31 | ||
| US4558498A (en) * | 1982-11-12 | 1985-12-17 | Diesel Kiki Co., Ltd. | Process for the manufacture of solenoid operated valve |
| US4662567A (en) * | 1984-12-13 | 1987-05-05 | Robert Bosch Gmbh | Electromagnetically actuatable valve |
| US4863142A (en) * | 1988-04-29 | 1989-09-05 | Sealed Power Corporation | Electromagnetic solenoid valve with variable force motor |
| JP2001280531A (en) * | 2000-03-29 | 2001-10-10 | Aisin Seiki Co Ltd | Solenoid valve device |
| CN201779334U (en) * | 2010-08-24 | 2011-03-30 | 浙江万向精工有限公司 | ABS normally closed electromagnetic valve with spherical armature iron |
| CN104791540A (en) * | 2013-10-15 | 2015-07-22 | 大陆汽车系统公司 | Normally high solenoid assembly |
| CN104948813A (en) * | 2014-03-28 | 2015-09-30 | 株式会社电装 | Solenoid and hydraulic pressure control apparatus having the same |
| JP2015190621A (en) * | 2014-03-31 | 2015-11-02 | 日信工業株式会社 | Solenoid valve and vehicular brake liquid pressure control system |
| CN104329310A (en) * | 2014-10-23 | 2015-02-04 | 贵州红林机械有限公司 | Electromagnetic valve for automatic variable-speed system of engineering vehicle and assembly method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114352736B (en) | 2022-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101539084B (en) | Common rail electronic control jet apparatus | |
| CN102506219B (en) | Permanent magnetic valve with characteristic of fast response | |
| CN102203884A (en) | Valve actuator | |
| CN109386641B (en) | Oil-cooled heat dissipation electromagnetic valve of automatic transmission and heat dissipation method | |
| CN111219502A (en) | Three-position four-way water pressure proportional valve based on high-speed switch valve | |
| CN203532914U (en) | Electromagnetic valve for automobile pneumatic AMT gear shifting executing mechanism | |
| CN114352736B (en) | Ball socket type electromagnetic high-speed switch valve for engineering vehicle | |
| CN111853263B (en) | High-speed switch valve of vehicle electrohydraulic integral type | |
| CN115405710B (en) | Self-closing high-speed relief valve | |
| CN202017791U (en) | Threaded plug-in two-position three-way cone valve type electromagnetic valve | |
| CN109519433B (en) | Driving device of high-speed hydraulic valve and high-speed hydraulic valve | |
| CN101776170A (en) | Gas high-speed electromagnetic valve | |
| CN1131387C (en) | Two-position and three-way solenoid valve with double free inner conic cores | |
| CN109538810A (en) | A kind of small-size light-weight solenoid valve | |
| CN106015593B (en) | A kind of switch electromagnetic valve for electro-hydraulic variable valve actuation | |
| CN210041610U (en) | Electromagnet push-pull control device and large-stroke electromagnet mechanism | |
| CN111853099A (en) | Moving-coil type two-position three-way high-speed switch valve for vehicle | |
| CN111102155B (en) | Reciprocating linear double-cylinder hydraulic pump | |
| CN201326806Y (en) | Normally-open-type gas high-speed electromagnetic valve | |
| CN111312468B (en) | Capacitive energy storage driving method of high-frequency switch type electromagnet | |
| CN108131470A (en) | A kind of two position and four-way reversing valves for fuel regulator | |
| CN214248074U (en) | Electromagnetic valve for controlling clutch actuator of commercial vehicle | |
| CN112483715A (en) | Four-coil double-armature time-sharing driven high-speed switch valve and driving method thereof | |
| CN201326804Y (en) | Normal-close-type gas high-speed electromagnetic valve | |
| CN201038094Y (en) | Spring energy-storage hydraulic operating mechanism for high voltage circuit breaker |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |