CN114001191B - Combined ultrahigh frequency miniature electromagnetic valve system - Google Patents
Combined ultrahigh frequency miniature electromagnetic valve system Download PDFInfo
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- CN114001191B CN114001191B CN202010733327.5A CN202010733327A CN114001191B CN 114001191 B CN114001191 B CN 114001191B CN 202010733327 A CN202010733327 A CN 202010733327A CN 114001191 B CN114001191 B CN 114001191B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 138
- 238000007789 sealing Methods 0.000 claims abstract description 87
- 239000008358 core component Substances 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 26
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to the technical field of valves, and particularly relates to an electromagnetic valve system. The combined ultrahigh frequency miniature electromagnetic valve system comprises an upper electromagnetic valve body and a lower electromagnetic valve body, wherein the upper electromagnetic valve body and the lower electromagnetic valve body respectively comprise a valve body and an electromagnetic part, a right working cavity is arranged on the right side of the valve body, and an air inlet valve port and a right air outlet are arranged on the right working cavity. The left side of valve body is equipped with left working chamber, is equipped with the exhaust valve port on the left working chamber, and the left working chamber of top is equipped with left gas outlet, is equipped with left gas outlet on the valve body of below, and two left gas outlets pass through gas circuit UNICOM. The left working cavity is internally provided with a manual rod and a left sealing pad, the right side of the left sealing pad is sleeved with a push rod, the left side of the left sealing pad is inserted into the right side face of the manual rod, and a manual rod spring is fixed between the push rod and the manual rod. The right side of the ejector rod extends to the electromagnetic part and is linked with the movable iron core component of the electromagnetic part. The invention has compact integral structure and does not occupy space; the same direction of the wiring position achieves the effect of unifying outgoing lines, and is not easy to break.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to an electromagnetic valve system.
Background
The electromagnetic valve is a novel control device. On the common pressure valve, flow valve and direction valve, electromagnet is used to replace original control part, and the pressure, flow or direction of fluid is controlled continuously and remotely according to the input electric signal, the current of electromagnet is controlled to control mechanical movement, and the opening and closing of valve port are controlled to work.
When two solenoid valves are used in combination, the traditional combination mode is a mode of respectively outgoing lines, the wiring mode is relatively unreasonable, and the working space is occupied. In addition, the phenomenon that the electromagnet does not work easily occurs due to the disconnection of the connecting wire between the amplifier and the electromagnet or the disconnection of the connecting terminal of the amplifier. The electromagnet is easy to lose function because of infirm welding or the welding part of the magnetic conduction sleeve is broken under the action of pulse force in use.
Disclosure of Invention
The invention aims at solving the technical problems that when the existing electromagnetic valves are combined, wiring is unreasonable, working space is occupied, wiring is broken or welding is not firm and is easy to break, and functions of the existing electromagnetic valves are lost, and provides a combined ultrahigh frequency miniature electromagnetic valve system.
The combined ultrahigh frequency miniature electromagnetic valve system comprises an upper electromagnetic valve body and a lower electromagnetic valve body, wherein each electromagnetic valve body comprises a valve body and an electromagnetic part for switching an air inlet valve port of the valve body, the electromagnetic part comprises a movable iron core assembly, the right side of each valve body is provided with a right working cavity, the right working cavity is provided with the air inlet valve port and a right air outlet, the upper air inlet valve port and the lower air inlet valve port are respectively communicated with a main air inlet through an air passage, the valve body below blocks the right air outlet above, and the right air outlet below downwards gives out air;
The left side of each valve body is provided with a left working cavity, the left working cavity is provided with an exhaust valve port, the upper exhaust valve port and the lower exhaust valve port are respectively communicated with a main exhaust port through an air path, the left working cavity above is provided with a left air outlet, the valve body below is provided with a left air outlet, and the left air outlet above bypasses the left working cavity below through the air path and is communicated with the left air outlet below;
The left working cavity is internally provided with a manual rod and a left sealing pad, the left side of the manual rod extends out of the left working cavity, the right side of the left sealing pad is sleeved with a push rod, the left side of the left sealing pad is inserted into the right side surface of the manual rod, the right side surface of the left sealing pad and the exhaust valve port have a set distance, and a manual rod spring is fixed between the push rod and the manual rod;
The electromagnetic part is positioned on the right side of the valve body, the right side of the ejector rod extends to the electromagnetic part and is linked with the movable iron core assembly, and the left working cavity is communicated with the corresponding right working cavity through an air channel extending by the ejector rod;
An external air source enters air through the main air inlet and reaches the air inlet valve port through an air passage, and in an initial state, the movable iron core assembly of the electromagnetic part closes the air inlet valve port, and the exhaust valve port maintains an open state; when the electromagnetic part is in an electrified state, the movable iron core component of the electromagnetic part opens the air inlet valve port, gas enters the right working cavity, and the gas in the lower right working cavity is discharged downwards through the lower right air outlet; the ejector rod is linked rightward along with the movable iron core assembly, the left sealing gasket is driven to move rightward, the left sealing gasket seals the exhaust valve port, and after gas enters the left working cavity through the right working cavity through a gas path channel extending by the ejector rod, the gas in the left working cavity above bypasses the left working cavity below through the left gas outlet, and then the gas is discharged through the left gas outlet below; when the electromagnetic part is not electrified, the manual rod is pushed to move rightwards, the ejector rod is driven to move rightwards, the left sealing gasket seals the exhaust valve port, the movable iron core component of the electromagnetic part moves rightwards along with the ejector rod, the air inlet valve port is opened, air enters the right working cavity, and air in the right working cavity below is discharged downwards through the right air outlet below; after gas enters the left working cavity through the right working cavity through a gas path channel extending by the ejector rod, the gas in the upper left working cavity bypasses the lower left working cavity through the upper left gas outlet and then completes gas outlet through the lower left gas outlet; and loosening the manual lever, closing the air inlet valve port, opening the air outlet valve port, exhausting, and returning to an initial state after the air exhaust is completed.
Through the design of the upper electromagnetic valve main body and the lower electromagnetic valve main body, the integrated structure is compact, occupies less space, and realizes the same direction of wiring positions by locating electromagnetic parts on the same side, thereby achieving the effect of uniform outgoing lines. In addition, the position of the manual lever is arranged, so that the plug-in type valve is integrally realized, and in the non-electrified state, the two valve ports can be manually opened and closed through the manual lever, so that the detection effect is further realized.
The middle part of the right side surface of the manual rod is excavated left to be provided with a containing cavity, a push rod spring is arranged in the containing cavity, the left sealing gasket is a sealing gasket adopting an inverted T-shaped structure, a vertical section of the left sealing gasket is sleeved in the push rod, a transverse section of the left sealing gasket is inserted into the push rod spring, and the right side surface of the transverse section of the left sealing gasket is provided with a set distance with the exhaust valve port.
The manual lever is sleeved with a manual lever cover, a circle of spring groove is formed in the outer surface of the right side of the manual lever, and the manual lever spring is fixed in the spring groove.
The manual lever is fixed in the manual lever cover by adopting a clamp spring.
The main air inlet, the main air outlet, the right air outlet and the left air outlet on each valve body are all positioned below, the main air inlet above is communicated with the main air inlet below through an air path, the main air outlet above is communicated with the main air outlet below through an air path, and the left air outlet above and the left air outlet below are communicated through an air path;
The right air outlet at the upper part is blocked by the valve body at the lower part, the bottom of the right air outlet at the lower part is opened, when air exists in the right working cavity at the upper part, the right air outlet at the upper part is blocked and does not exist, the air enters the left working cavity at the upper part through the right working cavity at the upper part to be discharged, and when air exists in the right working cavity at the lower part, the air is discharged through the right air outlet at the lower part. So that the overall structure realizes the air inlet and double exhaust effects in the same direction.
The electromagnetic valve further comprises at least one electromagnetic valve main body, and the at least one electromagnetic valve main body is sequentially arranged below the electromagnetic valve main body below;
when the upper right air outlet is blocked by the lower valve body, the upper left air outlet is communicated with the upper left working cavity, so that the purpose of air outlet is achieved through the lower left air outlet after air in the upper left working cavity bypasses the lower left working cavity through the upper left air outlet. So as to set a plurality of solenoid valve main bodies according to the requirement, realize compact layout, unify the outgoing line, the double-exhaust effect of same direction.
The electromagnetic part further comprises a movable iron core spring, a static iron core, a coil assembly, a magnetic conduction frame and a magnetic conduction sheet, wherein the coil assembly is arranged in the magnetic conduction frame, the static iron core is arranged in the coil assembly, the magnetic conduction sheet is fixed in the magnetic conduction frame and positioned at the left side of the coil assembly, and the magnetic conduction sheet limits the coil assembly in the magnetic conduction frame;
The movable iron core assembly comprises a movable iron core and a right sealing gasket arranged on the left side of the movable iron core, the right sealing gasket blocks the air inlet valve port, an iron core cap is sleeved outside the right sealing gasket, and the right side of the movable iron core penetrates through the magnetic conduction sheet and then is inserted into the coil assembly and has a set distance with the static iron core;
the magnetic conduction frame is fixed with the corresponding valve body in a sealing way, and the movable iron core spring is fixed between the magnetic conduction sheet and the iron core cap.
When the power is not on, the movable iron core and the static iron core have a set distance, the movable iron core assembly is pressed towards the air inlet valve port under the action of the movable iron core spring, and the right sealing gasket seals the air inlet valve port; when the electromagnetic part is in an electrified state, the coil assembly forms an electrified solenoid, and the electrified solenoid is utilized to generate electricity and magnetism, so that magnetic field force is generated, the movable iron core assembly is adsorbed to move rightwards, and the right sealing gasket is far away from the air inlet valve port, so that the opening of the air inlet valve port is realized.
The magnetic conduction frame is fixed with the valve body through cotter pins.
And the magnetic conduction frame and the valve body are sealed by adopting a valve body O-shaped ring. The use of the cotter pin stabilizes the mating forces of the valve body and the coil assembly within the magnetically permeable frame.
The middle part of the magnetic conduction sheet is provided with a through hole communicated left and right, a circle of spring cavity for accommodating the movable iron core spring is arranged on the left inner wall of the through hole, the left side of the spring cavity is opened, and the right side of the movable iron core spring is inserted into the spring cavity;
the coil assembly comprises a framework arranged in the magnetic conduction frame and a coil wound outside the framework;
The magnetic conduction sheet is characterized in that a circle of protrusions are arranged on the outer wall of the right side of the magnetic conduction sheet, the protrusions are inserted into the left side face of the framework, and a framework O-shaped ring seal is arranged between the left side face of the framework and the magnetic conduction sheet. The magnetic conductive sheet adopts a convex-concave structure, so that the formed wall thickness is more uniform.
The framework is of a hollow cylindrical structure, and at least one framework breathing groove is uniformly formed in the inner wall of the framework along the left-right direction;
The right side of the movable iron core passes through the magnetic conduction sheet and then is inserted into the framework and has a set distance with the static iron core. The use of the skeleton breathing groove ensures the stability of the motion of the movable iron core and prolongs the service life of the movable iron core.
A bulge is arranged in the middle of the right side surface of the static iron core, and the bulge extends out of the right side surface of the magnetic conduction frame and is fixed with the magnetic conduction frame;
And a static iron core O-shaped ring seal is arranged between the outer wall of the static iron core and the inner wall of the coil assembly.
The left side face of the static iron core is provided with a static iron core breathing groove, and the static iron core breathing groove is preferably a spiral groove. The setting of quiet iron core breathing groove can reduce because of the dust gets into, and quiet iron core top unevenness is to the influence of actuation.
The middle part of the left side surface of the movable iron core is dug to the right, and a sealing gasket spring is arranged in the accommodating cavity;
The right sealing gasket is a sealing gasket adopting an inverted T-shaped structure, a vertical section of the right sealing gasket is sleeved in the iron core cap, a transverse section of the right sealing gasket is inserted into the sealing gasket spring, and the left side face of the transverse section of the right sealing gasket blocks the air inlet valve port. The right sealing gasket is tightly attached to the iron core cap by the sealing gasket spring, and the sealing gasket spring and the movable iron core spring cooperate to press the movable iron core assembly to the air inlet valve port when the right sealing gasket is in a non-energized static state, so that the right sealing gasket can better seal the air inlet valve port.
The surface of the movable iron core is coated with a PDFE lubricating coating so as to prolong the service life of the movable iron core.
The iron core cap is of a hollow inverted T-shaped structure, the vertical section of the iron core cap is positioned at the periphery of the air inlet valve port, and the left side of the movable iron core spring is sleeved on the horizontal section of the iron core cap. The external form of the movable iron core spring is higher than the internal form of the movable iron core spring.
The movable iron core and the iron core cap are fixed in a riveting mode. So that the disassembly and assembly are more convenient.
The invention has the positive progress effects that: the combined ultrahigh frequency miniature electromagnetic valve system has the following advantages:
1. The integral structure realizes the same direction of wiring positions, achieves the effect of unifying outgoing lines, and combines the position arrangement of the manual lever, so that the integral structure realizes plug-in mounting, and the integral structure also realizes the double exhaust effect in the same direction;
2. The movable iron core is coated with the PDFE lubricating coating, so that the service life is prolonged, the external form of the movable iron core spring is higher than the built-in form, and the service life of the movable iron core sealing gasket is prolonged due to the use of the movable iron core built-in sealing gasket spring;
3. the magnetic conductive sheet adopts a convex-concave structure, so that the formed wall thickness is more uniform;
4. the bottom of the static iron core adopts a breathing groove structure to play roles of vacuum prevention and dust prevention;
5. the movable iron core and the iron core cap are riveted, so that the disassembly and assembly are more convenient;
6. the use of the skeleton breathing groove ensures the stability of the motion of the movable iron core and prolongs the service life of the movable iron core;
7. Compared with intermittent control, the hydraulic proportional valve has the advantages of simplified system, greatly reduced elements, small volume, light weight, compact structure, light weight and lower cost.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is another side cross-sectional view of the present invention;
FIG. 6 is a schematic view of an air circuit of the present invention in an initial state with the air inlet valve port closed;
FIG. 7 is a schematic diagram of an air circuit of the invention after the opening of the air inlet valve
FIG. 8 is a schematic diagram of an air circuit of the present invention after the exhaust port is opened;
FIG. 9 is an exploded view of the plunger assembly of the present invention;
FIG. 10 is an exploded view of the device in the magnetic conductive frame of the present invention;
FIG. 11 is a side perspective view of the magnetic conductive sheet of the present invention;
FIG. 12 is another side perspective view of the magnetic sheet of the present invention;
Fig. 13 is a perspective view of a stationary core according to the present invention;
Fig. 14 is a partial perspective view of the framework of the present invention.
Detailed Description
In order that the manner in which the invention is practiced, as well as the features and objects and functions thereof, will be readily understood and appreciated, the invention will be further described in connection with the accompanying drawings.
Referring to fig. 1 to 14, the combined ultra-high frequency micro electromagnetic valve system comprises at least an upper electromagnetic valve body 1 and a lower electromagnetic valve body 1, wherein each electromagnetic valve body 1 comprises a valve body 2 and an electromagnetic part for switching an air inlet valve port of the valve body 2, a right working cavity is arranged on the right side of the valve body 2, an air inlet valve port and a right air outlet 21 are arranged on the right working cavity, the upper air inlet valve port and the lower air inlet valve port are respectively communicated with a main air inlet 22 through an air path, the right air outlet 21 above is blocked by the valve body 2 below, so that the right air outlet 21 above cannot be discharged, and the right air outlet 21 below directly discharges downwards.
The left side of valve body 2 is equipped with left working chamber, be equipped with the exhaust valve port on the left working chamber, upper and lower two exhaust valve ports are respectively through gas circuit UNICOM main gas vent 23, the left working chamber of top is equipped with left gas outlet 24, be equipped with left gas outlet 24 on the valve body of below, upper and lower two left gas outlets 24 have the difference on the gas circuit promptly, the left gas outlet 24 of top and the left working chamber UNICOM of top, and the left gas outlet 24 of below is because the right gas outlet 21 of below can directly give vent to anger downwards, consequently not with the left working chamber UNICOM of below, the left gas outlet 24 of below opens the design downwards. The upper left air outlet 24 bypasses the lower left working cavity through the air channel and then is communicated with the lower left air outlet 24, and the lower left air outlet 24 is used for downwards air outlet for the upper valve body.
When the system comprises a plurality of electromagnetic valve bodies 1, the electromagnetic valve bodies 1 are sequentially stacked up and down and adopt the following structure: the right air outlet 21, the main air inlet 22, the main air outlet 23 and the left air outlet 24 on each valve body 2 are all located below, the upper main air inlet 22 is communicated with the lower main air inlet 22 through an air path, the upper main air outlet 23 is communicated with the lower main air outlet 23 through an air path, and the upper left air outlet 24 and the lower left air outlet 24 are communicated through an air path. So that the overall structure realizes the air inlet and double exhaust effects in the same direction. When any upper right air outlet 21 is blocked by the lower valve body 1, the upper left air outlet 24 is communicated with the upper left working cavity, the bottom of the lower right air outlet 21 is open, when air exists in the upper right working cavity, the upper right air outlet 21 is blocked from air, the air enters the upper left working cavity through the upper right working cavity to air, and when air exists in the lower right working cavity, the air directly exits through the lower right air outlet 21. So as to set a plurality of solenoid valve main bodies 1 according to the requirement, realize compact layout, unify the outgoing line, the same direction double-exhaust effect.
The left working cavity is internally provided with a manual rod 31 and a left sealing gasket 32, the left side of the manual rod 31 extends out of the left working cavity, a push rod 33 is sleeved outside the right side of the left sealing gasket 32, the left side of the left sealing gasket 32 is inserted into the right side surface of the manual rod 31, the right side surface of the left sealing gasket 32 is a set distance from an exhaust valve port, and a manual rod spring 34 is fixed between the push rod 33 and the manual rod 31. Preferably, the middle part of the right side surface of the manual lever 31 is provided with a containing cavity in a left digging way, a push rod spring 35 is arranged in the containing cavity, the left sealing gasket 32 is a sealing gasket adopting an inverted T-shaped structure, a vertical section of the left sealing gasket 32 is sleeved in the push rod 33, a transverse section of the left sealing gasket 32 is inserted into the push rod spring 35, and the right side surface of the transverse section of the left sealing gasket 32 is provided with a set distance from an exhaust valve port. The manual lever 31 is sleeved with a manual lever cover 36, the outer surface of the right side of the manual lever 31 is provided with a circle of spring grooves, and the manual lever springs 34 are fixed in the spring grooves. The manual lever 31 is fixed in the manual lever cover 36 by a snap spring. Preferably, the manual lever cover 36 is sealed with the valve body 2 by a cover O-ring. The manual lever 31 and the manual lever cover 36 are sealed by a lever O-ring.
The solenoid portion of each solenoid valve body 1 is located on the right side of the respective valve body 2, and the right side of the plunger rod 33 of each solenoid valve body 1 extends to the respective solenoid portion and is interlocked with the plunger assembly 41 of the solenoid portion. That is, when the movable iron core assembly 41 moves rightward, the ejector rod 33 follows rightward, when the movable iron core assembly 41 moves leftward, the ejector rod 33 follows leftward, when the ejector rod 33 moves rightward, the movable iron core assembly 41 follows rightward, and when the ejector rod 33 moves leftward, the movable iron core assembly 41 follows leftward. When the right side of the ejector rod 33 extends and then is linked with the movable iron core assembly 41 of the electromagnetic part, a space gap exists between the extending rod walls of the ejector rod 33, so that the left working cavity and the right working cavity corresponding to the right side are communicated through an air channel formed by the space gap.
When the electromagnetic valve is used, as shown in fig. 6, an external air source enters through the main air inlet 22 and reaches the air inlet valve port through the air path, and in an initial state, the movable iron core component of the electromagnetic part closes the air inlet valve port, and the air outlet valve port maintains an open state; when the electromagnetic part is in an electrified state, the movable iron core component 41 of the electromagnetic part opens the air inlet valve port, gas enters the right working cavity, and the gas in the lower right working cavity is discharged downwards through the lower right air outlet 21; the ejector rod 33 is linked rightward along with the movable iron core assembly 41 to drive the left sealing gasket 32 to move rightward, as shown in fig. 7, so that the left sealing gasket 32 seals the exhaust valve port, and after gas enters the left working cavity through the right working cavity through the gas path channel extending by the ejector rod, the gas in the upper left working cavity bypasses the lower left working cavity through the upper left gas outlet 24 and then completes gas outlet through the lower left gas outlet; when the electromagnetic part is not electrified, the manual rod 31 is pushed to move rightwards, the ejector rod 33 is driven to move rightwards, as shown in fig. 7, the left sealing gasket 32 seals the exhaust valve port, the movable iron core assembly 41 moves rightwards along with the ejector rod 33, the air inlet valve port is opened, air enters the right working cavity, and air in the lower right working cavity is discharged downwards through the lower right air outlet 21; after gas enters the left working cavity through the right working cavity through the gas path channel extended by the ejector rod, the gas in the upper left working cavity bypasses the lower left working cavity through the upper left gas outlet 24, and then the gas is discharged through the lower left gas outlet 24; the manual lever 31 is released, the intake valve port is closed, the exhaust valve port is opened, and as shown in fig. 8, the exhaust is performed, and after the exhaust is completed, the operation returns to the initial state.
Through the design of the upper electromagnetic valve main body 1 and the lower electromagnetic valve main body 1, the integrated structure is compact, the occupied space is small, the electromagnetic parts are positioned on the same side, the same direction of wiring positions is realized, and the effect of unifying outgoing lines is achieved. The manual lever 31 is furthermore arranged in such a way that, as a whole, a pluggable, and in the unpowered state, the opening and closing of the two valve ports can be manually realized through the manual lever 31, so that the detection function is further realized.
Referring to fig. 4,5, 9 and 10, the electromagnetic part includes a movable iron core assembly 41, a movable iron core spring 42, a stationary iron core 43, a coil assembly 44, a magnetic conductive frame 45 and a magnetic conductive sheet 46, the coil assembly 44 is provided in the magnetic conductive frame 45, the stationary iron core 43 is provided in the coil assembly 44, the magnetic conductive sheet 46 is fixed in the magnetic conductive frame 45 and is positioned at the left side of the coil assembly 44, and the magnetic conductive sheet 46 limits the coil assembly 44 in the magnetic conductive frame 45. Preferably, the ejector rod 33 adopts a hollow cylindrical structure, two arc-shaped connecting blocks extend from the upper side and the lower side of the right end surface of the ejector rod 33 respectively, and the two arc-shaped connecting blocks penetrate through the right working cavity of the valve body and then are connected with the movable iron core assembly 41 of the electromagnetic part.
The middle part of the right side surface of the static iron core 43 is provided with a bulge, and the bulge extends out of the right side surface of the magnetic conduction frame 45 and is fixed with the magnetic conduction frame 45. A stationary core O-ring 431 is provided between the outer wall of the stationary core 43 and the inner wall of the coil assembly 44. As shown in fig. 13, a stationary core breathing groove 432 is provided on the left side surface of the stationary core 43, and the stationary core breathing groove 432 is preferably a spiral groove. The arrangement of the breathing groove of the static iron core can reduce the influence of the uneven top of the static iron core 43 on the suction action due to dust entering.
The coil assembly 44 includes a bobbin 441 disposed inside the magnetic yoke 45, and a coil wound around the bobbin 441. The frame 441 is a hollow cylindrical structure, as shown in fig. 14, at least one frame breathing groove 442 is uniformly arranged on the inner wall of the frame 441 along the left-right direction, and when a plurality of frame breathing grooves 442 are arranged on the inner wall of the frame 441, the frame breathing grooves 442 can be uniformly arranged along the circumference of the inner wall of the frame 441. The right side of the movable core is inserted into the frame 441 after passing through the magnetic conductive sheet 46 and has a set distance from the stationary core 43. The use of the backbone breathing groove 442 ensures the stability of the moving iron core movement, increasing its service life. As shown in fig. 10, the outer wall of the stationary core 43 and the inner wall of the frame 441 are sealed with a stationary core O-ring 431.
The magnetic conduction frame 45 is fixed with the corresponding valve body 2 in a sealing way, and the magnetic conduction frame 45 is fixed with the valve body 2 by cotter pins. The magnetic conduction frame 45 and the valve body 2 are sealed by adopting a valve body O-shaped ring. The use of cotter pins stabilizes the mating forces of the valve body 2 and the coil assembly 44 within the magnet carrier 45.
Referring to fig. 11 and 12, the middle part of the magnetic conductive sheet 46 is provided with a through hole communicating left and right, a circle of spring cavity 461 for accommodating the movable iron core spring 42 is provided on the left inner wall of the through hole, the left side of the spring cavity 461 is opened, and the right side of the movable iron core spring 42 is inserted into the spring cavity 461. The outer wall of the right side of the magnetic conduction sheet 46 is provided with a circle of protrusions 462, the protrusions 462 are inserted into the left side face of the framework 441, and a framework O-shaped ring 443 is arranged between the left side face of the framework 441 and the magnetic conduction sheet 46 for sealing. The magnetic conductive sheet 46 with the design adopts a convex-concave structure, so that the formed wall thickness is more uniform.
Referring to fig. 9, the movable iron core assembly 41 includes a movable iron core 51 and a right gasket 52 disposed at the left side of the movable iron core 51, the right gasket 52 blocking the air inlet valve port, an iron core cap 53 is sleeved outside the right gasket 52, and the right side of the movable iron core 51 is inserted into the coil assembly 44 after passing through the magnetic conductive sheet 46 and has a set distance from the stationary iron core 43. Preferably, the right end surface of the ejector rod 33 is connected with the core cap 53 after extending.
The middle part of the left side surface of the movable iron core 51 is dug to the right to form a containing cavity, and a sealing gasket spring 54 is arranged in the containing cavity. The right sealing gasket 52 is a sealing gasket adopting an inverted T-shaped structure, a vertical section of the right sealing gasket 52 is sleeved in the iron core cap 53, a transverse section of the right sealing gasket 52 is inserted into the sealing gasket spring 54, and the left side face of the transverse section of the right sealing gasket 52 blocks the air inlet valve port. The right sealing gasket 52 and the iron core cap 53 are tightly attached by the sealing gasket spring 54, and the sealing gasket spring 54 and the movable iron core spring 42 cooperate to press the movable iron core 51 assembly 41 to the air inlet valve port when the air inlet valve port is in a non-energized static state, so that the right sealing gasket 52 can better seal the air inlet valve port.
The surface of the moving core 51 is coated with a PDFE lubricating coating so as to increase the service life of the moving core 51. The plunger 51 and the cap 53 are fixed in a caulking manner. So that the disassembly and assembly are more convenient. A movable core spring 42 is fixed between the core cap 53 and the magnetic conductive sheet 46. The iron core cap 53 is an iron core cap 53 adopting a hollow inverted T-shaped structure, the vertical section of the iron core cap 53 is positioned at the periphery of the air inlet valve port, and the left side of the movable iron core spring 42 is sleeved on the transverse section of the iron core cap 53. The plunger spring 42 is more stable externally than internally.
When the invention is used, in the non-energized state, the movable iron core 51 and the static iron core 43 have a set distance, the movable iron core 51 assembly 41 is pressed towards the air inlet valve port under the action of the movable iron core spring 42, and the right sealing gasket 52 seals the air inlet valve port; when the electromagnetic part is in an electrified state, the coil assembly 44 forms an electrified solenoid, and the electrified solenoid is utilized to generate magnetism so as to generate magnetic field force, the attraction movable iron core 51 assembly 41 moves rightwards, and the right sealing gasket 52 is far away from the air inlet valve port, so that the opening of the air inlet valve port is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The combined ultrahigh frequency miniature electromagnetic valve system comprises an upper electromagnetic valve body and a lower electromagnetic valve body, wherein each electromagnetic valve body comprises a valve body and an electromagnetic part for switching an air inlet valve port of the valve body, and the electromagnetic part comprises a movable iron core assembly;
The left side of each valve body is provided with a left working cavity, the left working cavity is provided with an exhaust valve port, the upper exhaust valve port and the lower exhaust valve port are respectively communicated with a main exhaust port through an air path, the left working cavity above is provided with a left air outlet, the valve body below is provided with a left air outlet, and the left air outlet above bypasses the left working cavity below through the air path and is communicated with the left air outlet below;
The left working cavity is internally provided with a manual rod and a left sealing pad, the left side of the manual rod extends out of the left working cavity, the right side of the left sealing pad is sleeved with a push rod, the left side of the left sealing pad is inserted into the right side surface of the manual rod, the right side surface of the left sealing pad and the exhaust valve port have a set distance, and a manual rod spring is fixed between the push rod and the manual rod;
The electromagnetic part is positioned on the right side of the valve body, the right side of the ejector rod extends to the electromagnetic part and is linked with the movable iron core assembly, and the left working cavity is communicated with the corresponding right working cavity through an air channel extending by the ejector rod;
An external air source enters air through the main air inlet and reaches the air inlet valve port through an air passage, and in an initial state, the movable iron core assembly of the electromagnetic part closes the air inlet valve port, and the exhaust valve port maintains an open state; when the electromagnetic part is in an electrified state, the movable iron core component of the electromagnetic part opens the air inlet valve port, gas enters the right working cavity, and the gas in the lower right working cavity is discharged downwards through the lower right air outlet; the ejector rod is linked rightward along with the movable iron core assembly, the left sealing gasket is driven to move rightward, the left sealing gasket seals the exhaust valve port, and after gas enters the left working cavity through the right working cavity through a gas path channel extending by the ejector rod, the gas in the left working cavity above bypasses the left working cavity below through the left gas outlet above, and then the gas is discharged through the left gas outlet below; when the electromagnetic part is not electrified, the manual rod is pushed to move rightwards, the ejector rod is driven to move rightwards, the left sealing gasket seals the exhaust valve port, the movable iron core component of the electromagnetic part moves rightwards along with the ejector rod, the air inlet valve port is opened, air enters the right working cavity, and air in the right working cavity below is discharged downwards through the right air outlet below; after gas enters the left working cavity through the right working cavity through a gas path channel extending by the ejector rod, the gas in the upper left working cavity bypasses the lower left working cavity through the upper left gas outlet and then completes gas outlet through the lower left gas outlet; loosening the manual lever, closing the air inlet valve port, opening the air outlet valve port, exhausting, and returning to an initial state after the air exhaust is completed;
The middle part of the right side surface of the manual rod is provided with a containing cavity in a left digging way, a push rod spring is arranged in the containing cavity, the left sealing gasket is a sealing gasket adopting an inverted T-shaped structure, a vertical section of the left sealing gasket is sleeved in the push rod, a transverse section of the left sealing gasket is inserted into the push rod spring, and the right side surface of the transverse section of the left sealing gasket is a set distance from the exhaust valve port;
the manual lever is sleeved with a manual lever cover, a circle of spring groove is formed in the outer surface of the right side of the manual lever, and the manual lever spring is fixed in the spring groove;
the manual lever is fixed in the manual lever cover by adopting a clamp spring;
The main air inlet, the main air outlet, the right air outlet and the left air outlet on each valve body are all positioned below, the main air inlet above is communicated with the main air inlet below through an air path, the main air outlet above is communicated with the main air outlet below through an air path, and the left air outlet above and the left air outlet below are communicated through an air path;
The right air outlet at the upper part is blocked by the valve body at the lower part, the bottom of the right air outlet at the lower part is opened, when air exists in the right working cavity at the upper part, the right air outlet at the upper part is blocked and does not exist, the air enters the left working cavity at the upper part through the right working cavity at the upper part to be discharged, and when air exists in the right working cavity at the lower part, the air is discharged through the right air outlet at the lower part.
2. The combination ultra-high frequency miniature solenoid valve system according to claim 1, further comprising at least one said solenoid valve body, at least one said solenoid valve body being disposed in sequence below said solenoid valve body below;
the upper main air inlet is communicated with the lower main air inlet through an air channel, the upper main air outlet is communicated with the lower main air outlet through an air channel, and the upper left air outlet is communicated with the lower left air outlet through an air channel;
When the upper right air outlet is blocked by the lower valve body, the upper left air outlet is communicated with the upper left working cavity, so that the purpose of air outlet is achieved through the lower left air outlet after air in the upper left working cavity bypasses the lower left working cavity through the upper left air outlet.
3. The combination ultra-high frequency miniature solenoid valve system as set forth in claim 1, wherein said solenoid portion further comprises a movable core spring, a stationary core, a coil assembly, a magnetically permeable frame within which said coil assembly is disposed, and a magnetically permeable sheet within which said stationary core is disposed, said magnetically permeable sheet being secured within said magnetically permeable frame and positioned to the left of said coil assembly, said magnetically permeable sheet confining said coil assembly within said magnetically permeable frame;
The movable iron core assembly comprises a movable iron core and a right sealing gasket arranged on the left side of the movable iron core, the right sealing gasket blocks the air inlet valve port, an iron core cap is sleeved outside the right sealing gasket, and the right side of the movable iron core penetrates through the magnetic conduction sheet and then is inserted into the coil assembly and has a set distance with the static iron core;
the magnetic conduction frame is fixed with the corresponding valve body in a sealing way, and the movable iron core spring is fixed between the magnetic conduction sheet and the iron core cap;
When the power is not on, the movable iron core and the static iron core have a set distance, the movable iron core assembly is pressed towards the air inlet valve port under the action of the movable iron core spring, and the right sealing gasket seals the air inlet valve port; when the electromagnetic part is in an electrified state, the coil assembly forms an electrified solenoid, and the electrified solenoid is utilized to generate electricity and magnetism, so that magnetic field force is generated, the movable iron core assembly is adsorbed to move rightwards, and the right sealing gasket is far away from the air inlet valve port, so that the opening of the air inlet valve port is realized.
4. A combination ultra-high frequency miniature solenoid valve system as set forth in claim 3 wherein said magnetically permeable frame is fixed to said valve body with cotter pins;
The magnetic conduction frame and the valve body are sealed by adopting a valve body O-shaped ring;
The middle part of the magnetic conduction sheet is provided with a through hole communicated left and right, a circle of spring cavity for accommodating the movable iron core spring is arranged on the left inner wall of the through hole, the left side of the spring cavity is opened, and the right side of the movable iron core spring is inserted into the spring cavity;
the coil assembly comprises a framework arranged in the magnetic conduction frame and a coil wound outside the framework;
a circle of protrusions are arranged on the outer wall of the right side of the magnetic conduction sheet, the protrusions are inserted into the left side face of the framework, and a framework O-shaped ring seal is arranged between the left side face of the framework and the magnetic conduction sheet;
the framework is of a hollow cylindrical structure, and at least one framework breathing groove is uniformly formed in the inner wall of the framework along the left-right direction;
The right side of the movable iron core passes through the magnetic conduction sheet and then is inserted into the framework and has a set distance with the static iron core.
5. The combined ultrahigh frequency miniature electromagnetic valve system as set forth in claim 3, wherein a protrusion is provided in the middle of the right side of the stationary core, and the protrusion extends out of the right side of the magnetic conduction frame and is fixed with the magnetic conduction frame;
a static iron core O-shaped ring seal is arranged between the outer wall of the static iron core and the inner wall of the coil assembly;
the left side face of the static iron core is provided with a static iron core breathing groove, and the static iron core breathing groove is preferably a spiral groove.
6. The combined ultrahigh frequency miniature electromagnetic valve system as set forth in claim 3, wherein a containing cavity is dug to the right in the middle of the left side surface of the movable iron core, and a sealing gasket spring is arranged in the containing cavity;
the right sealing gasket is a sealing gasket adopting an inverted T-shaped structure, a vertical section of the right sealing gasket is sleeved in the iron core cap, a transverse section of the right sealing gasket is inserted into the sealing gasket spring, and the left side face of the transverse section of the right sealing gasket blocks the air inlet valve port.
7. A combined ultra-high frequency miniature solenoid valve system as set forth in claim 3, wherein said plunger surface is coated with a PDFE lubricating coating to facilitate increased plunger service life;
The iron core cap is of a hollow inverted T-shaped structure, the vertical section of the iron core cap is positioned at the periphery of the air inlet valve port, and the left side of the movable iron core spring is sleeved on the horizontal section of the iron core cap;
the movable iron core and the iron core cap are fixed in a riveting mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010733327.5A CN114001191B (en) | 2020-07-27 | 2020-07-27 | Combined ultrahigh frequency miniature electromagnetic valve system |
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| CN202010733327.5A CN114001191B (en) | 2020-07-27 | 2020-07-27 | Combined ultrahigh frequency miniature electromagnetic valve system |
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| CN203230922U (en) * | 2013-05-17 | 2013-10-09 | 瑞立集团瑞安汽车零部件有限公司 | Waterproof type electromagnetic valve |
| WO2014029348A1 (en) * | 2012-08-23 | 2014-02-27 | 丹佛斯（天津）有限公司 | Moving iron core assembly and electromagnetic valve using same |
| CN206191015U (en) * | 2016-11-03 | 2017-05-24 | 嘉兴米克气动设备有限公司 | You are cross diaphragm valve |
| CN207609814U (en) * | 2017-10-24 | 2018-07-13 | 宁波陈氏鑫光气动有限公司 | A kind of two-position-five-way solenoid valve |
| CN212360972U (en) * | 2020-07-27 | 2021-01-15 | 行益科技(宁波)有限公司 | Combined ultrahigh frequency miniature solenoid valve system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4362853B2 (en) * | 2007-06-18 | 2009-11-11 | Ｓｍｃ株式会社 | 2-port solenoid valve |
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2020
- 2020-07-27 CN CN202010733327.5A patent/CN114001191B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014029348A1 (en) * | 2012-08-23 | 2014-02-27 | 丹佛斯（天津）有限公司 | Moving iron core assembly and electromagnetic valve using same |
| CN203230922U (en) * | 2013-05-17 | 2013-10-09 | 瑞立集团瑞安汽车零部件有限公司 | Waterproof type electromagnetic valve |
| CN206191015U (en) * | 2016-11-03 | 2017-05-24 | 嘉兴米克气动设备有限公司 | You are cross diaphragm valve |
| CN207609814U (en) * | 2017-10-24 | 2018-07-13 | 宁波陈氏鑫光气动有限公司 | A kind of two-position-five-way solenoid valve |
| CN212360972U (en) * | 2020-07-27 | 2021-01-15 | 行益科技(宁波)有限公司 | Combined ultrahigh frequency miniature solenoid valve system |
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