CN212429931U

CN212429931U - Low-power consumption solenoid valve

Info

Publication number: CN212429931U
Application number: CN202021027955.3U
Authority: CN
Inventors: 黄清谅
Original assignee: Festo Valve Technology Zhejiang Co ltd
Current assignee: Festo Valve Technology Zhejiang Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-01-29
Anticipated expiration: 2030-06-06

Abstract

The utility model provides a low-power consumption solenoid valve, includes valve body, main valve subassembly, valve gap and guide's subassembly, guide's subassembly is including installing the guide valve section of thick bamboo on the valve gap, the piston assembly in the guide valve section of thick bamboo and be used for cutting or leading the guide valve core of leading the passageway, be equipped with the valve opening on the valve gap, valve opening intercommunication guide valve section of thick bamboo and guide's passageway, the guide valve core is installed in the valve opening, is sliding seal connection between guide valve core and the valve opening, the inside cavity that is equipped with of guide valve core, the cavity internal rotation is provided with the switching-over valve core of the leading-in. The utility model discloses can utilize high-pressure fluid's pressure to overcome reset spring's elasticity, realize the guide valve core to opening of guide's passageway, reduce the power requirement that keeps its valve to open.

Description

Low-power consumption solenoid valve

Technical Field

The utility model relates to a valve field especially relates to a low-power consumption solenoid valve.

Background

Currently, a general solenoid valve performs control by controlling the energization and de-energization of a lead type solenoid to open and close the solenoid valve. Because the current passing through the lead type electromagnetic coil is relatively large, especially at the moment when the alternating current coil is started. Therefore, the general electromagnetic valve can not be directly controlled by a PLC (because the current of a relay contact in the PLC is very small), and an intermediate relay is adopted for transition, so that the control cost of the electromagnetic valve is increased, and the control reliability is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a low-power consumption solenoid valve, utilize high-pressure fluid's pressure to realize opening to the valve, reduce the power requirement that keeps its valve to open.

The utility model provides a technical scheme that its technical problem adopted: the low-power-consumption electromagnetic valve comprises a valve body, a main valve component, a valve cover and a pilot component, wherein a liquid inlet is formed in one side of the valve body, a liquid outlet is formed in the other side of the valve body, a communicating opening is formed in the valve body, and the communicating opening is respectively communicated with the liquid inlet and the liquid outlet; the valve cover is covered on the top of the valve body, the valve cover and the main valve component are enclosed to form a control cavity, the main valve component is arranged on the control cavity in a sliding mode, the main valve component is located right above the communicating opening, a spring is arranged between the main valve component and the valve cover, a liquid inlet hole is formed in the main valve component in a penetrating mode and is communicated with the control cavity and the liquid inlet, a pilot channel is formed in the valve cover and the valve body, two ends of the pilot channel are respectively communicated with the control cavity and the liquid outlet, the pilot component comprises a pilot valve cylinder arranged on the valve cover, a piston component in the pilot valve cylinder and a pilot valve core used for cutting off or conducting the pilot channel, a valve hole is formed in the valve cover and is communicated with the pilot valve cylinder and the pilot channel, the pilot valve core is arranged in the valve hole in a sliding and sealing mode, a cavity is arranged in the pilot valve core, the guide valve comprises a guide valve core, wherein a liquid inlet channel is arranged on the left side of the guide valve core, the two ends of the liquid inlet channel are respectively communicated with a guide channel and a cavity, the two ends of the liquid return channel are respectively communicated with the guide channel and the cavity, a side hole is arranged on the upper end of the guide valve core, the side hole is communicated with the cavity and a guide valve cylinder, a reversing channel capable of being communicated with the liquid inlet channel and the side hole is arranged in the reversing valve core, a check valve is arranged on the lower portion of the reversing channel, a liquid return hole capable of being communicated with the liquid return channel and the reversing channel is arranged on the side portion of the check valve, a piston assembly comprises a piston shell and a driving device, the piston shell is connected in the guide valve cylinder in a sliding sealing mode, the driving device is used for rotationally switching the direction of the reversing valve core, an end, the driving device comprises a driving motor arranged in a piston shell and a driven shaft fixedly arranged at the bottom of the piston shell, a driven gear is fixedly arranged at the upper end of the driven shaft, the lower end of the driven shaft penetrates through the piston shell and is fixedly connected with a reversing valve core, a driving gear is fixedly arranged at the output end of the driving motor and is connected with the driven gear, a 180-degree dividing plate is further arranged at the upper end of the driven shaft, a 180-degree arc-shaped groove is formed in the 180-degree dividing plate, a limiting rod is arranged in the 180-degree arc-shaped groove, and the lower end.

When the valve needs to be opened, the direction of the reversing valve core is switched by rotating the driving device, the reversing channel is communicated with the liquid inlet channel and the side hole, so that high-pressure fluid in the pilot channel enters the pilot valve cylinder, the piston assembly moves upwards to drive the pilot valve core to be opened under the action of the high-pressure fluid, the pilot channel is communicated, the high-pressure fluid in the control cavity is decompressed through the pilot channel, pressure difference is formed between the upper side and the lower side of the main valve assembly, the main valve assembly is pushed to move upwards to open the communication port, the high-pressure fluid enters from the liquid inlet and reaches the liquid outlet through the communication port, when the valve needs to be closed, the direction of the reversing valve core is switched by rotating the driving device, the communication between the liquid inlet channel and the side hole is cut off, the liquid return hole is communicated with the liquid return channel and the reversing channel, the piston assembly moves downwards under the action of the reset spring, meanwhile, the pilot valve core is closed to cut off the pilot channel, and the main valve assembly is reset through the spring to seal the communication port, so that the valve is closed.

Further perfection, the lower end of the valve hole is provided with a clamping groove, the lower end of the guide valve core is positioned in the clamping groove, and the bottom of the guide valve core is provided with a sealing gasket.

Further perfect, the inlet channel includes that the feed liquor erects groove and slant feed liquor hole, the feed liquor erects the groove and sets up on leading case lower extreme left side wall, slant feed liquor hole both ends intercommunication feed liquor erects groove and cavity, it includes back liquid and erects the groove and transversely go out the liquid hole to return the liquid passageway, it sets up on leading case lower extreme right side wall to return liquid and erects the groove, transversely go out liquid hole both ends intercommunication check valve and back liquid and erect the groove.

Further perfection, the upper part of the reversing channel is T-shaped, and the lower part of the reversing channel is L-shaped, so that the reversing channel has the function of controlling the fluid to be led in or out of the guide valve cylinder.

Further perfection, piston shell upper end is equipped with the line hole.

The utility model discloses profitable effect is: the utility model discloses a set up the switching-over case on the guide valve core, the switching-over case has two stations, the effect of a station is to feed through feed liquor channel, side opening and switching-over passageway, make high-pressure fluid leading-in guide valve section of thick bamboo in the guide passageway, under the effect of high-pressure fluid, the piston assembly upper pressure drives the guide valve core and opens, feed through the guide passageway, realize opening of valve, the effect of another station is to cut the intercommunication of feed liquor channel and side opening, stop high-pressure fluid leading-in guide valve section of thick bamboo, feed back the liquid passageway, switching-over passageway and liquid return hole intercommunication, under reset spring's effect, the piston assembly moves down and flows back the fluid of guide valve section of thick bamboo from the liquid return hole on the check valve and leads back the passageway earlier, the guide valve core cuts the guide passageway simultaneously, realizes closing of valve, the utility model discloses utilize the pressure of high-pressure fluid to overcome reset spring's, reducing the power requirement to keep its valve open.

Drawings

FIG. 1 is a schematic structural view of the closed state of the present invention;

FIG. 2 is an enlarged schematic view of the pilot assembly of FIG. 1;

FIG. 3 is an enlarged schematic view of the diverter valve cartridge configuration in the closed position of FIG. 2;

FIG. 4 is a schematic structural view of the closed state of the present invention;

FIG. 5 is an enlarged schematic view of the diverter valve cartridge structure in the open state of FIG. 4;

FIG. 6 is a schematic view of a 180-degree scale;

description of reference numerals: 1. a valve body 11, a liquid inlet 12, a liquid outlet 13, a communicating port 14, a control cavity 2, a main valve component 21, a liquid inlet hole 3, a valve cover 31, a pilot channel 32, a valve hole 321, a clamping groove 4, a pilot component 41, a pilot valve cylinder 42, a piston component 421, a piston shell 422, a driving motor 423, a driven shaft 424, a driving gear 425, a 180-degree dividing disc, 426, 180-degree arc-shaped grooves 427, the device comprises a limiting rod, 428, a wiring hole, 429, a driven gear, 43, a return spring, 44, an end cover, 441, a ventilation hole, 5, a guide valve core, 51, a cavity, 52, a reversing valve core, 53, a liquid inlet channel, 531, a liquid inlet vertical groove, 532, an inclined liquid inlet hole, 54, a liquid return channel, 541, a liquid return vertical groove, 542, a transverse liquid outlet hole, 55, a side hole, 56, a reversing channel, 57, a one-way valve, 571, a liquid return hole, 58 and a sealing gasket.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the low-power-consumption electromagnetic valve comprises a valve body 1, a main valve component 2, a valve cover 3 and a pilot component 4, wherein a liquid inlet 11 is formed in one side of the valve body 1, a liquid outlet 12 is formed in the other side of the valve body 1, a communicating port 13 is formed in the valve body 1, and the communicating port 13 is respectively communicated with the liquid inlet 11 and the liquid outlet 12; the valve cover 3 is covered on the top of the valve body 1, the valve cover 3 and the main valve component 2 are enclosed to form a control cavity 14, the main valve component 2 is arranged on the control cavity 14 in a sliding manner, the main valve component 2 is positioned right above the communicating port 13, a spring is arranged between the main valve component 2 and the valve cover 3, a liquid inlet hole 21 is formed in the main valve component 2 in a penetrating manner, the liquid inlet hole 21 is communicated with the control cavity 14 and the liquid inlet 11, a pilot channel 31 is formed in the valve cover 3 and the valve body 1, two ends of the pilot channel 31 are respectively communicated with the control cavity 14 and the liquid outlet 12, the pilot component 4 comprises a pilot valve cylinder 41 arranged on the valve cover 3, a piston component 42 in the pilot valve cylinder 41 and a pilot valve core 5 used for cutting off or conducting the pilot channel 31, a valve hole 32 is arranged on the valve cover 3, the valve hole 32 is communicated with the pilot valve cylinder 41 and the, a chamber 51 is arranged in the guide valve core 5, a reversing valve core for controlling the leading-in or leading-out of fluid in the guide valve cylinder 41 is rotatably arranged in the chamber 51, a liquid inlet channel 53 is arranged at the left side of the guide valve core 5, two ends of the liquid inlet channel 53 are respectively communicated with the guide channel 31 and the chamber 51, a liquid return channel 54 is arranged at the right side of the guide valve core 5, two ends of the liquid return channel 54 are respectively communicated with the guide channel 31 and the chamber 51, a side hole 55 is arranged at the upper end of the guide valve core 5, the side hole 55 is communicated with the chamber 51 and the guide valve cylinder 41, a reversing channel 56 capable of being communicated with the liquid inlet channel 53 and the side hole 55 is arranged in the reversing valve core 52, a check valve 57 is arranged at the lower part of the reversing channel 56, a liquid return hole capable of being communicated with the liquid return channel 54 and the reversing channel 56 is arranged at the side part of the check valve 57, the, the upper end of the guide valve cylinder 41 is provided with an end cover 44, a return spring 43 is arranged between the end cover 44 and the upper end of the piston housing 421, the lower end of the piston housing 421 is fixedly connected with a guide valve core 5, the end cover is provided with a ventilation opening 441, the driving device comprises a driving motor 422 installed in the piston housing 421 and a driven shaft 423 fixedly arranged at the bottom of the piston housing 421, the upper end of the driven shaft 423 is fixedly provided with a driven gear, the lower end of the driven shaft penetrates through the piston housing 421 and is fixedly connected with a reversing valve core, the output end of the driving motor 422 is fixedly provided with a driving gear 424, the driving gear 424 is connected with a driven gear 429, the upper end of the driven shaft 423 is further provided with a 180-degree dividing plate 425, the 180-degree dividing plate 425 is provided with a 180-degree arc groove 426. The driving motor 422 drives the driving gear 424, the driven gear 429 and the driven shaft 423 through a 180-degree dial 425 to realize 180-degree steering of the reversing valve core. The lower end of the valve hole 32 is provided with a clamping groove 321, the lower end of the guide valve core 5 is positioned in the clamping groove 321, and the bottom of the guide valve core 5 is provided with a sealing gasket 28. Liquid inlet channel 53 includes that the feed liquor erects groove 531 and slant feed liquor hole 532, the feed liquor erects groove 531 and sets up on the 5 lower extreme left side walls of guide valve core, perpendicular groove 531 of slant feed liquor hole 532 both ends intercommunication feed liquor and cavity 51, it includes back liquid and erects groove 541 and horizontal liquid outlet hole 542 to return liquid channel 54, it sets up on the 5 lower extreme right side walls of guide valve core to return liquid and erects groove 541 to return liquid, horizontal liquid outlet hole 542 both ends intercommunication check valve 57 and the perpendicular groove 541 of return liquid. The upper part of the reversing channel 56 is T-shaped, and the lower part is L-shaped.

The working principle is as follows: when the valve needs to be opened, the direction of the reversing valve core 52 is switched by rotating the driving device, the reversing channel 56 is communicated with the liquid inlet channel 53 and the side hole 55, so that high-pressure fluid in the pilot channel 31 enters the pilot valve cylinder 41 through the inlet, the piston assembly 42 moves upwards to drive the pilot valve core 5 to be opened under the action of the high-pressure fluid, the pilot channel 31 is communicated, the high-pressure fluid in the control cavity 14 is decompressed through the pilot channel 31, a pressure difference is formed between the upper side and the lower side of the main valve assembly 2, the main valve assembly 2 is pushed to move upwards to open the communication port 13, the high-pressure fluid enters from the liquid inlet 11 and reaches the liquid outlet 12 through the communication port 13, when the valve needs to be closed, the direction of the reversing valve core 52 is switched by rotating the driving device, the liquid inlet channel 53 is cut off from the communication with the side hole 55, the liquid return hole is communicated with the liquid return channel 54 and the reversing channel 56, the piston assembly 42 moves downwards under the At the same time, the pilot valve body 5 closes to block the pilot passage 31, and the main valve assembly 2 seals the communication port 13 by spring return, thereby closing the valve.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. A low-power-consumption electromagnetic valve comprises a valve body (1), a main valve assembly (2), a valve cover (3) and a pilot assembly (4), wherein a liquid inlet (11) is formed in one side of the valve body (1), a liquid outlet (12) is formed in the other side of the valve body, a communicating port (13) is formed in the valve body (1), and the communicating port (13) is respectively communicated with the liquid inlet (11) and the liquid outlet (12); valve gap (3) cover is established the top of valve body (1), valve gap (3) with main valve module (2) enclose and establish into control chamber (14), main valve module (2) slide to set up on control chamber (14), and main valve module (2) are located intercommunication mouth (13) directly over, are equipped with the spring between main valve module (2) and valve gap (3), link up on main valve module (2) and seted up feed liquor hole (21), feed liquor hole (21) intercommunication control chamber (14) and inlet (11), pilot channel (31) have been seted up in valve gap (3) and valve body (1), pilot channel (31) both ends communicate characterized by with control chamber (14) and liquid outlet (12) respectively: the guide assembly (4) comprises a guide valve cylinder (41) arranged on the valve cover (3), a piston assembly (42) in the guide valve cylinder (41) and a guide valve core (5) used for cutting off or conducting a guide channel (31), a valve hole (32) is arranged on the valve cover (3), the valve hole (32) is communicated with the guide valve cylinder (41) and the guide channel (31), the guide valve core (5) is arranged in the valve hole (32) in a sliding and sealing mode, a cavity (51) is arranged inside the guide valve core (5), a reversing valve core used for controlling fluid to be led into or out of the guide valve cylinder (41) is rotatably arranged in the cavity (51), a liquid inlet channel (53) is arranged on the left side of the guide valve core (5), two ends of the liquid inlet channel (53) are respectively communicated with the guide channel (31) and the cavity (51), a liquid return channel (54) is arranged on the right side of the guide valve core (5), two ends of the liquid return channel (54, guide valve core (5) upper end is equipped with side opening (55), and side opening (55) intercommunication cavity (51) and pilot valve barrel (41), be equipped with switching-over passageway (56) that can communicate inlet channel (53) and side opening (55) in switching-over valve core (52), switching-over passageway (56) lower part is equipped with check valve (57), and check valve (57) lateral part is equipped with the liquid return hole that can communicate liquid return passageway (54) and switching-over passageway (56), piston assembly (42) are used for rotating the drive arrangement who switches over the direction valve core (52) position including sliding seal connection in piston casing (421) and piston casing (421) in guide valve barrel (41), guide valve barrel (41) upper end is equipped with end cover (44), end cover (44) with be equipped with reset spring (43) between piston casing (421) upper end and, piston casing (421) lower extreme fixed connection guide valve core (5), the end cover is provided with a ventilation opening (441), the driving device comprises a driving motor (422) arranged in the piston shell (421) and a driven shaft (423) fixedly arranged at the bottom of the piston shell (421), a driven gear is fixedly arranged at the upper end of the driven shaft (423), the lower end of the driven shaft penetrates through the piston shell (421) and is fixedly connected with a reversing valve core, an output end of the driving motor (422) is fixedly provided with a driving gear (424), the driving gear (424) is connected with a driven gear (429), the upper end of the driven shaft (423) is further provided with a 180-degree dividing disc (425), a 180-degree arc groove (426) is formed in the 180-degree dividing disc (425), a limiting rod (427) is arranged in the 180-degree arc groove (426), and the lower end of the limiting rod (.

2. A low power consumption solenoid valve as claimed in claim 1, wherein: the lower end of the valve hole (32) is provided with a clamping groove (321), the lower end of the guide valve core (5) is positioned in the clamping groove (321), and the bottom of the guide valve core (5) is provided with a sealing gasket (28).

3. A low power consumption solenoid valve as claimed in claim 2, wherein: liquid inlet channel (53) erect groove (531) and slant feed liquor hole (532) including the feed liquor, the feed liquor erects groove (531) and sets up on guide valve core (5) lower extreme left side wall, slant feed liquor hole (532) both ends intercommunication feed liquor erects groove (531) and cavity (51), return liquid passageway (54) including returning liquid and erecting groove (541) and transversely go out liquid hole (542), it sets up on guide valve core (5) lower extreme right side wall to return liquid and erect groove (541) to return liquid, transversely go out liquid hole (542) both ends intercommunication check valve (57) and return liquid and erect groove (541).

4. A low power consumption solenoid valve according to claim 3, wherein: the upper part of the reversing channel (56) is T-shaped, and the lower part of the reversing channel is L-shaped.

5. The low-power consumption electromagnetic valve according to claim 4, characterized in that: the upper end of the piston shell (421) is provided with a wiring hole (428).