CN112113022A

CN112113022A - Two-way electromagnetic valve

Info

Publication number: CN112113022A
Application number: CN202011042779.5A
Authority: CN
Inventors: 秦宇; 徐连军; 王俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2020-12-22

Abstract

The invention provides a two-way electromagnetic valve, which comprises a main valve body, a protective shell and a transmission mechanism, wherein the main valve body and the transmission mechanism are sequentially arranged in the protective shell, the main valve body comprises a valve cavity and a shell, a first sliding block and a second sliding block are movably arranged in the valve cavity, a first movable iron core is fixedly connected to the outer surface of one side of the first sliding block, the two-way electromagnetic valve can effectively prevent the main valve body from deforming or breaking and prevent the shell from being corroded and rusted by adding a layer of protective shell outside the main valve body, the situation that the first sliding block and the second sliding block move slowly or are clamped in the valve cavity due to insufficient electromagnetic force is avoided by driving the first sliding block and the second sliding block through the transmission mechanism, when the electromagnetic valve is powered off or other circuit faults occur, the reversing function of the electromagnetic valve can be realized by rotating a rotating handle, and no connecting part exists between the first sliding block and the second, increasing the rate of fluid flow.

Description

Two-way electromagnetic valve

Technical Field

The invention relates to the technical field of electromagnetic valves, in particular to a bidirectional electromagnetic valve.

Background

The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be matched with different circuits to realize expected control, ensures both the control precision and flexibility, has various electromagnetic valves, plays a role in different positions of the control system, is most commonly a one-way valve, a two-way valve, a speed regulating valve and the like, wherein the two-way electromagnetic valve is used for controlling the flow direction of the fluid and realizes the function of controlling the fluid to flow to two different directions by one valve body;

however, the existing two-way electromagnetic valve has certain defects: 1. the existing bidirectional electromagnetic valve is mainly used for controlling flowing media to be liquid fluids such as water, oil and the like, and a movable iron core assembly of the electromagnetic valve is mostly arranged in a valve cavity and used for controlling the flowing direction of the fluids, so that the viscous fluids are blocked when flowing in the valve cavity, the flowing is not smooth, and the flowing rate of the fluids is influenced; 2. when fluid needs to be reversed, the sliding block assembly of the electromagnetic valve moves in the valve cavity and is subjected to larger resistance exerted by the fluid, and the electromagnetic force generated by the electromagnetic coil is smaller, so that the sliding block is easily clamped in the valve cavity, or the valve cavity moves slowly to influence the working efficiency of the electromagnetic valve; 3. the electromagnetic valve is driven by electric power, and the electromagnetic valve cannot work under the condition that the electromagnetic valve is powered off or other circuit faults occur; 4. in the assembly line production and processing of a factory, a conveying pipeline needs to work continuously, the electromagnetic valve works in a reversing mode repeatedly, when the sliding block moves in the valve cavity, fluid can apply pressure to the inner wall of the valve cavity, the main valve body of the electromagnetic valve is easy to deform and even break the cavity wall due to long-time operation, accordingly the working efficiency of the electromagnetic valve is affected, and in a wet or open environment, the shell of the electromagnetic valve is easy to corrode and rust, and the service life of the electromagnetic valve is shortened.

Disclosure of Invention

The invention aims to provide a two-way electromagnetic valve, which can effectively prevent a main valve body from deforming or breaking by additionally arranging a protective shell outside the main valve body, prevent the shell from contacting moist air and rainwater and prevent the shell from being corroded and rusted, and avoid the condition that the first sliding block and the second sliding block move slowly or are clamped in a valve cavity due to insufficient electromagnetic force driving force by driving the first sliding block and the second sliding block through a transmission mechanism.

The invention provides a two-way electromagnetic valve which comprises a main valve body, a protective shell and a transmission mechanism, wherein the main valve body and the transmission mechanism are sequentially arranged in the protective shell;

the main valve body comprises a valve cavity and a shell, a first slider and a second slider are movably mounted in the valve cavity, a first movable iron core is fixedly connected to the outer surface of one side of the first slider, a first spring cavity is formed in one side, far away from the first slider, of the main valve body, a first spring is movably mounted in the first spring cavity, the first spring is sleeved outside the first movable iron core, a first sealing cavity is formed in the outer portion, close to the valve cavity, of one side of the first movable iron core, a second movable iron core is fixedly connected to the outer surface of one side of the second slider, a second sealing cavity is formed in the outer portion, close to the valve cavity, of one side of the second movable iron core, a second spring cavity is formed in one side, far away from the second slider, of the main valve body, a second spring is movably mounted in the second spring cavity, and the second spring is sleeved outside the second movable iron core, an electromagnetic coil is fixedly mounted on the outer portion, close to the middle position, of the second movable iron core, a feeding port is formed in the position, close to the center, of the inner portion of one side of the shell, and a discharging port A and a discharging port B are formed in the inner portion of the other side of the shell;

the transmission mechanism comprises an intermittent motor, a driving gear and a driven rotating wheel, a rotating rod is fixedly connected with the outer surface of one side of the intermittent motor, the outer surface of the other side of the intermittent motor is fixedly connected with a rotating handle, the outer surface of one side of the rotating rod is fixedly connected with the driving gear, the driving gear is meshed with the driven rotating wheel, the outer surface of one side of the driven rotating wheel is fixedly connected with a first gear rod, the outer surface of the other side of the driven rotating wheel is fixedly connected with a second gear rod, the first gear rod is fixedly connected with the first movable iron core through a connecting rod, the second gear rod is fixedly connected with the second movable iron core through a connecting rod, gear teeth are arranged on the outer side wall of the driving gear, the surface of the other part of the outer side wall of the driving gear is smooth, and gear teeth meshed with the driving gear are arranged on the inner side walls of the upper end and the lower end of the driven rotating wheel.

When the flow direction of the fluid is changed, a switch of the electromagnetic valve is started, so that the electromagnetic coil is electrified to generate electromagnetic force to push the second movable iron core to move leftwards, meanwhile, the intermittent motor rotates anticlockwise to drive the driving teeth to rotate against the needle wheel, the teeth on the outer wall of the driving gear are meshed with the teeth on the inner side wall of the upper end of the driven rotating wheel to drive the driven rotating wheel to move leftwards, so that the first movable iron core and the second movable iron core are driven to move leftwards, the first sliding block and the second sliding block are driven to slide leftwards, the first spring is compressed, the second spring is stretched, when the first sliding block slides to be attached to the inner wall of one side of the valve cavity, the intermittent motor stops working, the teeth on the outer wall of the driving gear are just contacted with the teeth on the inner side wall of the lower end of the driven rotating wheel, the second slide block blocks the discharge port A, the discharge port B is opened, the fluid flows out from the discharge port B, the flow direction of the fluid is changed, when the flow direction of the fluid needs to be changed again, the electromagnetic valve switch is closed, the electromagnetic coil is powered off and loses the electromagnetic force, the first spring stretches and the second spring contracts to drive the first movable iron core and the second movable iron core to move rightwards, meanwhile, the intermittent motor is started again to drive the driving gear to rotate anticlockwise, the gear teeth on the outer wall of the driving gear are meshed with the gear teeth on the inner side wall of the lower end of the driven rotating wheel to drive the driven rotating wheel to move rightwards, so that the first movable iron core and the second movable iron core are driven to move rightwards, the first slide block and the second slide block are driven to slide rightwards, when the intermittent motor moves to the initial position, the intermittent motor stops working, the first spring, the fluid reversing work is completed again, if the fluid is required to be reversed again, the steps are repeated, the first sliding block and the second sliding block are not connected, the fluid does not have any obstruction when flowing in the valve cavity, the flowing speed of the fluid is promoted, the first sliding block and the second sliding block are driven to move through the transmission mechanism, the condition that the first sliding block and the second sliding block are moved slowly or clamped in the valve cavity due to insufficient pushing force of electromagnetic force is avoided, when the electromagnetic valve is powered off or other circuit faults occur, the first sliding block and the second sliding block can be moved through rotating the rotating handle, and therefore the reversing function of the manual control electromagnetic valve is achieved.

Preferably, the protective housing includes the motor storehouse, the lower extreme surface of intermittent type formula motor is rotated with the internal surface bottom in motor storehouse and is connected, the upper end surface of changeing the handle passes through the lower extreme surface threaded connection of screw rod and intermittent type formula motor, the lower extreme surface in motor storehouse is provided with fixing device, first movable iron core, second movable iron core, first gear pole and second gear pole are close to one side inside all offered the through-center hole of protective housing, the both ends of protective housing and the corresponding position threaded connection in four through-center holes have four fixed iron cores, four fixed iron core sets up in the inside in the through-center hole that corresponds.

Through adopting above-mentioned technical scheme, through add the one deck protective housing in the outside of the main valve body, can prevent effectively that the solenoid valve main valve body from warping or breaking, and protective housing does not contact with humid air and rainwater, prevent that the shell from corroding and rustting, the life of solenoid valve has been prolonged, the motor storehouse can play a fixed effect of support to intermittent type formula motor, through at first movable iron core, the second movable iron core, one side inside seting up the through-hole that first gear pole and second gear pole are close to the protective housing, arrange four fixed iron cores in the inside of the through-hole that corresponds again, can play a fixed effect of support to drive mechanism, and because through threaded connection between the both ends of four movable iron cores and protective housing, can take out at any time and add lubricating oil to through-hole inner wall and fixed iron core outer wall, can make drive mechanism's removal more smooth and easy.

Preferably, fixing device is including fixed cover, one side surface of fixed cover and the lower extreme fixed surface in motor storehouse are connected, the inside of fixed cover is provided with third spring and telescopic link, one side surface of third spring and the lower extreme fixed surface in motor storehouse are connected, the opposite side threaded connection of fixed cover has sealed lid, the through-hole has been seted up to one side inside of changeing the handle, the opposite side fixed surface of third spring is connected with the telescopic link, one side surface that the motor storehouse was kept away from to the telescopic link offsets with the upper end surface of sealed lid, when rotating the through-hole and the telescopic link vertical correspondence when one side surface that makes first slider and the internal surface one side of valve pocket are laminated mutually.

Through adopting above-mentioned technical scheme, when the solenoid valve outage or other circuit failures appear and lead to the unable during operation of solenoid valve, change the handle through rotating and come manual control drive mechanism, it laminates mutually with one side inner wall of valve pocket to rotate one side outer wall that makes first slider when changeing, discharge gate A is plugged up to the second slider, discharge gate A closes promptly, when discharge gate B opens completely, the through-hole corresponds with the telescopic link is perpendicular this moment, unscrew sealed lid, the third spring stretches out and makes the telescopic link pop out, the telescopic link stretches into in the through-hole, thereby fixed commentaries on classics handle, prevent that the second slider from taking place to remove under the pressure of fluid flow, when commuting once more, the compression telescopic link makes the telescopic link break away from the through-hole, and cover sealed lid, when continuing to rotate the bull stick and make first slider and second slider get back to the initial position, the through.

Preferably, one side surface that driven runner was kept away from to first gear pole and one side surface parallel arrangement that first slider was kept away from to first movable iron core, one side surface that driven runner was kept away from to second gear pole and one side surface that second slider was kept away from to the second movable iron core are perpendicular to be corresponded, the through-hole leaves sufficient space and makes relative sliding motion between first gear pole, second gear pole, first movable iron core, the second movable iron core and the corresponding fixed iron core.

Through adopting above-mentioned technical scheme, drive mechanism during operation, because one side surface that driven runner was kept away from to first gear pole and one side surface parallel arrangement that first slider was kept away from to first movable iron core for first movable iron core and first gear pole and second move the iron core and be connected between the second gear pole more stable, reserved sufficient space between protective housing and drive mechanism, avoided drive mechanism at the during operation to collide with the inner wall of protective housing.

Preferably, the inner diameters of the feeding hole, the discharging hole A and the discharging hole B are consistent, the size specifications of the first sliding block and the second sliding block are consistent, the outer diameters of the first sliding block and the second sliding block are larger than the inner diameters of the feeding hole, the discharging hole A and the discharging hole B, and the outer diameters of the first sliding block and the second sliding block are the same as the inner diameter of the valve cavity.

Through adopting above-mentioned technical scheme, the device during operation is because the external diameter of first slider and second slider is greater than the pan feeding mouth, discharge gate A and discharge gate B's internal diameter, make first slider and second slider can plug up the pan feeding mouth, discharge gate A and discharge gate B, prevent the material leakage, because the external diameter of first slider and second slider is the same with the internal diameter of valve pocket, make the annular surface of first slider and second slider and the seamless laminating of the annular internal surface of valve pocket, avoid the material to permeate the slip that the gap influences first slider and second slider.

Has the advantages that:

1. the transmission mechanism drives the first slide block and the second slide block to move, so that the situation that the first slide block and the second slide block move slowly or are clamped in a valve cavity due to insufficient electromagnetic force driving force is avoided, fluid does not get any obstruction when flowing in the valve cavity due to no connecting part between the first slide block and the second slide block, the flowing speed of the fluid is improved, the first spring and the second spring are both in a natural state when the electromagnetic valve is in an initial state, the discharge hole B is closed at the moment, the discharge hole A is opened, the fluid can enter the valve cavity from the feed inlet and then flow out from the discharge hole A, when the flowing direction of the fluid is required to be changed, the electromagnetic valve switch is started, so that the electromagnetic coil is electrified to generate electromagnetic force to push the second movable iron core to move leftwards, meanwhile, the intermittent motor rotates anticlockwise to drive the driving teeth to rotate against the hour pinwheel, and the teeth on the outer wall of the driving, the driven rotating wheel is driven to move leftwards, so that the first movable iron core and the second movable iron core are driven to move leftwards, the first sliding block and the second sliding block are driven to slide leftwards, the first spring is compressed, the second spring is stretched, when the first sliding block slides to be attached to the inner wall of one side of the valve cavity, the intermittent motor stops working, the gear teeth on the outer wall of the driving gear are just contacted with the gear teeth on the inner wall of the lower end of the driven rotating wheel, the second sliding block blocks the discharge port A, the discharge port B is opened, fluid flows out from the discharge port B, the flow direction of the fluid is changed, when the flow direction of the fluid needs to be changed again, the electromagnetic valve switch is closed, the electromagnetic coil is powered off to lose electromagnetic force, the first spring is expanded, the second spring is contracted to drive the first movable iron core and the second movable iron core to move rightwards, meanwhile, the intermittent, the driven rotating wheel is driven to move rightwards, so that the first movable iron core and the second movable iron core are driven to move rightwards, the first sliding block and the second sliding block are driven to slide rightwards, when the first movable iron core and the second movable iron core move to the initial position, the intermittent motor stops working, the first spring and the second spring return to the natural state at the moment, the gear teeth on the outer wall of the driving gear are just contacted with the gear teeth on the inner side wall of the upper end of the driven rotating wheel, the reversing work of the fluid is completed again if the reversing work is needed, only the steps are repeated, when the electromagnetic valve is powered off or the electromagnetic valve cannot work due to other circuit faults, the transmission mechanism is manually controlled by rotating the rotating handle, when the rotating handle rotates to enable the outer wall of one side of the first sliding block to be attached to the inner wall of one side of the valve cavity, the second sliding block, the spring of the sealing cover is unscrewed to stretch so that one side of the telescopic rod, which is close to the rotating handle, is popped out of the fixing sleeve and extends into the through hole, a fixing effect is achieved for the rotating handle, the second sliding block is prevented from moving under the pressure of fluid flow, when the direction is reversed again, the telescopic rod is compressed to enable the telescopic rod to be separated from the through hole, the sealing cover is covered, the rotating rod is continuously rotated until the first sliding block and the second sliding block return to the initial positions, at the moment, the through hole is superposed with the projection position of the telescopic rod again, and the steps;

2. when the electromagnetic valve is powered off or other circuit faults occur, the rotating handle is rotated to control the transmission mechanism to drive the first slide block and the second slide block to move, so that the reversing function of the manual control electromagnetic valve is realized, fluid is not blocked when flowing in the valve cavity, the flowing speed of the fluid is improved, when the electromagnetic valve cannot work due to the power-off or other circuit faults of the electromagnetic valve, the transmission mechanism is manually controlled by rotating the rotating handle, when the rotating handle rotates to ensure that the outer wall of one side of the first slide block is attached to the inner wall of one side of the valve cavity, the second slide block blocks the discharge hole A, namely the discharge hole A is closed, and the discharge hole B is completely opened, at the moment, the through hole is superposed with the projection position of the telescopic rod, the spring of the sealing cover is unscrewed to stretch to ensure that one side of the telescopic rod close to the rotating handle is popped out of the fixing sleeve and stretches into the through, when the direction is changed again, the telescopic rod is compressed to enable the telescopic rod to be separated from the through hole, the sealing cover is covered, the rotating rod is continuously rotated until the first sliding block and the second sliding block return to the initial positions, the projection positions of the through hole and the telescopic rod are overlapped again at the moment, and the steps are repeated;

3. the protective shell is additionally arranged outside the main valve body, so that the main valve body can be effectively prevented from deforming or breaking, the protective shell is not contacted with humid air and rainwater, and the shell is prevented from being corroded and rusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the main valve body of the present invention;

FIG. 3 is a schematic view of the main valve body of the present invention in combination with a transmission mechanism;

FIG. 4 is a view of the driving gear in combination with the driven runner of the present invention;

FIG. 5 is a cross-sectional view of the overall structure of the present invention;

fig. 6 is a cross-sectional view showing the overall structure of the fixing device of the present invention.

Description of reference numerals:

1. a main valve body; 2. a protective shell; 3. a transmission mechanism; 4. a fixing device; 101. a valve cavity; 102. a first slider; 103. a second slider; 104. a first movable iron core; 105. a first spring chamber; 106. a first spring; 107. a first sealed chamber; 108. a second movable iron core; 109. a second spring chamber; 110. a second spring; 111. a second sealed chamber; 112. an electromagnetic coil; 113. a feeding port; 114. a discharge hole A; 115. a discharge hole B; 149. a housing; 201. a motor compartment; 202. fixing an iron core; 301. an intermittent motor; 302. a rotating rod; 303. a driving gear; 304. a driven runner; 305. turning a handle; 306. a first gear lever; 307. a second gear lever; 308. a connecting rod; 309. a screw; 310. a through hole; 311. a through hole; 401. fixing a sleeve; 402. a third spring; 403. a telescopic rod; 404. and (7) sealing the cover.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a two-way electromagnetic valve comprises a main valve body 1, a protective shell 2 and a transmission mechanism 3, wherein the main valve body 1 and the transmission mechanism 3 are sequentially arranged in the protective shell 2;

the main valve body 1 comprises a valve cavity 101 and a shell 149, a first slide block 102 and a second slide block 103 are movably mounted in the valve cavity 101, a first movable iron core 104 is fixedly connected to the outer surface of one side of the first slide block 102, a first spring cavity 105 is formed in the inner part of one side of the main valve body 1 away from the first slide block 102, a first spring 106 is movably mounted in the first spring cavity 105, the first spring 106 is sleeved outside the first movable iron core 104, a first sealing cavity 107 is arranged outside one side of the first movable iron core 104 close to the valve cavity 101, a second movable iron core 108 is fixedly connected to the outer surface of one side of the second slide block 103, a second sealing cavity 111 is arranged outside one side of the second movable iron core 108 close to the valve cavity 101, a second spring cavity 109 is formed in one side of the main valve body 1 away from the second slide block 103, a second spring 110 is movably mounted in the inner part of the second spring cavity 109, and the second spring 110 is, an electromagnetic coil 112 is fixedly mounted on the outer portion of the second movable iron core 108 close to the middle position, a feeding port 113 is formed in the position close to the center inside one side of the outer shell 149, and a discharging port A114 and a discharging port B115 are formed in the inner portion of the other side of the outer shell 149;

the transmission mechanism 3 comprises an intermittent motor 301, a driving gear 303 and a driven rotating wheel 304, wherein a rotating rod 302 is fixedly connected to the outer surface of one side of the intermittent motor 301, a rotating handle 305 is fixedly connected to the outer surface of the other side of the intermittent motor 301, the outer surface of one side of the rotating rod 302 is fixedly connected with the driving gear 303, the driving gear 303 is meshed with the driven rotating wheel 304, a first gear rod 306 is fixedly connected to the outer surface of one side of the driven rotating wheel 304, a second gear rod 307 is fixedly connected to the outer surface of the other side of the driven rotating wheel 304, the first gear rod 306 is fixedly connected with the first movable iron core 104 through a connecting rod 308, the second gear rod 307 is fixedly connected with the second movable iron core 108 through a connecting rod 308, gear teeth are arranged on the outer side wall of the driving gear 303, the surface of the other part is smooth, and, when the electromagnetic valve is in an initial state, the first spring 106 and the second spring 110 are both in a natural state, the discharge port B115 is closed, the discharge port a114 is opened, the fluid enters the valve cavity 101 from the material inlet 113 and then flows out from the discharge port a114, when the flow direction of the fluid is to be changed, the electromagnetic valve switch is started, so that the electromagnetic coil 112 is electrified to generate electromagnetic force to push the second movable iron core 108 to move leftward, meanwhile, the intermittent motor 301 rotates counterclockwise to drive the driving teeth to rotate when the pin wheel rotates reversely, the teeth on the outer wall of the driving gear 303 are meshed with the teeth on the inner side wall of the upper end of the driven rotating wheel 304 to drive the driven rotating wheel 304 to move leftward, thereby driving the first movable iron core 104 and the second movable iron core 108 to move leftward, driving the first slider 102 and the second slider 103 to slide leftward, at this time, the first spring 106 is compressed, the second spring 110 is stretched, when the, the intermittent motor 301 stops working, at this time, the gear teeth on the outer wall of the driving gear 303 just contact with the gear teeth on the inner side wall of the lower end of the driven rotating wheel 304, the second sliding block 103 blocks the discharge port a114, the discharge port B115 is opened, fluid flows out from the discharge port B115, the flow direction of the fluid is changed, when the flow direction of the fluid needs to be changed again, the switch of the electromagnetic valve is closed, the electromagnetic coil 112 is powered off and loses electromagnetic force, the first spring 106 is expanded and the second spring 110 is contracted to drive the first movable iron core 104 and the second movable iron core 108 to move rightwards, meanwhile, the intermittent motor 301 is started again to drive the driving gear 303 to rotate anticlockwise, the gear teeth on the outer wall of the driving gear 303 are meshed with the gear teeth on the inner side wall of the lower end of the driven rotating wheel 304 to drive the driven rotating wheel 304 to, when the intermittent motor 301 is moved to the initial position, the operation of the intermittent motor 301 is stopped, at this time, the first spring 106 and the two springs return to the natural state, the gear teeth on the outer wall of the driving gear 303 just contact with the gear teeth on the inner side wall of the upper end of the driven rotating wheel 304, the reversing operation of the fluid is completed again, if the reversing operation needs to be performed again, the above steps are repeated, because the first slider 102 and the second slider 103 are not connected, the fluid does not have any obstruction when flowing in the valve cavity 101, the flowing speed of the fluid is promoted, the transmission mechanism 3 drives the first slider 102 and the second slider 103 to move, the condition that the first slider 102 and the second slider 103 move slowly or are clamped in the valve cavity 101 due to insufficient pushing force of electromagnetic force is avoided, when the electromagnetic valve is powered off or other circuit faults occur, the first slider 102 and the second slider 103 can be moved by rotating the rotating handle 305, thereby realizing the function of manually controlling the reversing of the electromagnetic valve.

As an embodiment of the present invention, the protective casing 2 includes a motor chamber 201, the lower outer surface of the intermittent motor 301 is rotatably connected with the bottom end of the inner surface of the motor chamber 201, the upper outer surface of the rotating handle 305 is in threaded connection with the lower outer surface of the intermittent motor 301 through a screw 309, the lower outer surface of the motor chamber 201 is provided with a fixing device 4, the first movable iron core 104, the second movable iron core 108, the first gear rod 306 and the second gear rod 307 are all provided with a through hole 311 in one side close to the protective casing 2, four fixed iron cores 202 are in threaded connection with positions of two ends of the protective casing 2 corresponding to the four through holes 311, the four fixed iron cores 202 are provided in the corresponding through holes 311, by additionally providing a layer of protective casing 2 outside the main valve body 1, the main valve body 1 of the solenoid valve can be effectively prevented from deforming or breaking, and the protective casing 149 is not contacted with moist air and rainwater, prevent that shell 149 from corroding and rusting, the life of solenoid valve has been prolonged, motor storehouse 201 can play a fixed effect of support to intermittent type formula motor 301, through at first movable iron core 104, the second moves iron core 108, first gear pole 306 and second gear pole 307 are close to the inside logical heart hole 311 of seting up in one side of protective housing 2, arrange four fixed iron cores 202 in the inside of the corresponding logical heart hole 311 again, can play a fixed effect of support to drive mechanism 3, and because pass through threaded connection between four movable iron cores and the both ends of protective housing 2, can take out at any time and add lubricating oil to logical heart hole 311 inner wall and fixed iron core 202 outer wall, can make drive mechanism 3's removal more smooth and easy.

As an embodiment of the present invention, the fixing device 4 includes a fixing sleeve 401, an outer surface of one side of the fixing sleeve 401 is fixedly connected to an outer surface of a lower end of the motor chamber 201, a third spring 402 and an extension rod 403 are disposed inside the fixing sleeve 401, an outer surface of one side of the third spring 402 is fixedly connected to an outer surface of a lower end of the motor chamber 201, another side of the fixing sleeve 401 is threadedly connected to a sealing cover 404, a through hole 310 is formed inside one side of the rotating handle 305, an extension rod 403 is fixedly connected to an outer surface of another side of the third spring 402, an outer surface of one side of the extension rod 403 away from the motor chamber 201 is abutted to an outer surface of an upper end of the sealing cover 404, when the rotating handle 305 is rotated to make the outer surface of one side of the first slider 102 and one side of the inner surface of the valve chamber 101 abut against each other, the through hole 310 vertically, when the rotating handle 305 rotates to enable the outer wall of one side of the first sliding block 102 to be attached to the inner wall of one side of the valve cavity 101, the second sliding block 103 blocks the discharge port A, namely the discharge port A is closed, when the discharge port B is completely opened, the through hole 310 corresponds to the telescopic rod 403 vertically, the sealing cover 404 is unscrewed, the third spring 402 extends to enable the telescopic rod 403 to pop up, the telescopic rod 403 extends into the through hole 310, the rotating handle 305 is fixed, the second sliding block 103 is prevented from moving under the pressure of fluid flow, when the direction is reversed again, the telescopic rod 403 is compressed to enable the telescopic rod 403 to be separated from the through hole 310, the sealing cover 404 is covered, the rotating rod 302 continues to rotate to enable the first sliding block 102 and the second sliding block 103 to return to the initial positions, the through hole 310 corresponds.

Specifically, the outer surface of one side of the first gear rod 306 away from the driven rotating wheel 304 is parallel to the outer surface of one side of the first movable iron core 104 away from the first slider 102, the outer surface of one side of the second gear rod 307 away from the driven rotating wheel 304 vertically corresponds to the outer surface of one side of the second movable iron core 108 away from the second slider 103, and the through hole 311 leaves enough space to allow the first gear rod 306, the second gear rod 307, the first movable iron core 104, the second movable iron core 108 and the corresponding fixed iron core 202 to make relative sliding motion, when the transmission mechanism 3 works, because the outer surface of one side of the first gear rod 306 away from the driven rotating wheel 304 is parallel to the outer surface of one side of the first movable iron core 104 away from the first slider 102, the connection between the first movable iron core 104 and the first gear rod 306 as well as between the second movable iron core 108 and the second gear rod 307 is more stable, and enough space is reserved between the protective case 2 and the transmission mechanism 3, the collision of the transmission mechanism 3 with the inner wall of the protective shell 2 during operation is avoided.

Specifically, the inner diameters of the material inlet 113, the material outlet a114 and the material outlet B115 are the same, the size specifications of the first slide block 102 and the second slide block 103 are the same, the outer diameters of the first slide block 102 and the second slide block 103 are larger than the inner diameters of the material inlet 113, the material outlet a114 and the material outlet B115, the outer diameters of the first slide block 102 and the second slide block 103 are the same as the inner diameter of the valve cavity 101, and during operation, because the outer diameters of the first slide block 102 and the second slide block 103 are larger than the inner diameters of the material inlet 113, the material outlet a114 and the material outlet B115, so that the first slide block 102 and the second slide block 103 can block the material inlet 113, the material outlet A114 and the material outlet B115 to prevent the leakage of the material, because the outer diameters of the first sliding block 102 and the second sliding block 103 are the same as the inner diameter of the valve cavity 101, the annular outer surfaces of the first sliding block 102 and the second sliding block 103 are in seamless fit with the annular inner surface of the valve cavity 101, and the sliding of the first sliding block 102 and the second sliding block 103 is prevented from being influenced by the penetration of materials into gaps.

The working principle is as follows: when the electromagnetic valve is in an initial state, the first spring 106 and the second spring 110 are both in a natural state, the discharge port B115 is closed, the discharge port a114 is opened, the fluid enters the valve cavity 101 from the material inlet 113 and then flows out from the discharge port a114, when the flow direction of the fluid is to be changed, the electromagnetic valve switch is started, so that the electromagnetic coil 112 is electrified to generate electromagnetic force to push the second movable iron core 108 to move leftward, meanwhile, the intermittent motor 301 rotates counterclockwise to drive the driving teeth to rotate when the pin wheel rotates, the teeth on the outer wall of the driving gear 303 are meshed with the teeth on the inner side wall of the upper end of the driven rotating wheel 304 to drive the driven rotating wheel 304 to move leftward, thereby driving the first movable iron core 104 and the second movable iron core 108 to move leftward, driving the first slider 102 and the second slider 103 to slide leftward, at this time, the first spring 106 is compressed, the second spring 110 is stretched, and when the, the intermittent motor 301 stops working, at this time, the gear teeth on the outer wall of the driving gear 303 just contact with the gear teeth on the inner side wall of the lower end of the driven rotating wheel 304, the second sliding block 103 blocks the discharge port a114, the discharge port B115 is opened, fluid flows out from the discharge port B115, the flow direction of the fluid is changed, when the flow direction of the fluid needs to be changed again, the switch of the electromagnetic valve is closed, the electromagnetic coil 112 is powered off and loses electromagnetic force, the first spring 106 is expanded and the second spring 110 is contracted to drive the first movable iron core 104 and the second movable iron core 108 to move rightwards, meanwhile, the intermittent motor 301 is started again to drive the driving gear 303 to rotate anticlockwise, the gear teeth on the outer wall of the driving gear 303 are meshed with the gear teeth on the inner side wall of the lower end of the driven rotating wheel 304 to drive the driven rotating wheel 304 to, when the intermittent motor 301 is moved to the initial position, the intermittent motor 301 stops working, at this time, the first spring 106 and the two springs return to the natural state, the gear teeth on the outer wall of the driving gear 303 just contact with the gear teeth on the inner side wall of the upper end of the driven rotating wheel 304, the fluid reversing work is completed again, if the fluid reversing work needs to be performed again, the steps are repeated, when the electromagnetic valve is powered off or the electromagnetic valve cannot work due to other circuit faults, the transmission mechanism 3 is manually controlled by rotating the rotating handle 305, when the rotating handle 305 rotates to enable the outer wall on one side of the first sliding block 102 to be attached to the inner wall on one side of the valve cavity 101, the discharge port A is blocked by the second sliding block 103, namely the discharge port A is closed, when the discharge port B is completely opened, at this time, the through hole 310 coincides with the projection position of the telescopic rod 403, the spring of the, the rotating handle 305 has a fixing function to prevent the second sliding block 103 from moving under the pressure of fluid flow, when the direction is changed again, the telescopic rod 403 is compressed to enable the telescopic rod 403 to be separated from the through hole 310, the sealing cover 404 is covered, the rotating rod 302 is continuously rotated until the first sliding block 102 and the second sliding block 103 return to the initial position, at this time, the projection positions of the through hole 310 and the telescopic rod 403 are overlapped again, and the steps are repeated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a two-way solenoid valve, includes the main valve body (1), protective housing (2) and drive mechanism (3), its characterized in that: the main valve body (1) and the transmission mechanism (3) are sequentially arranged in the protective shell (2);

the main valve body (1) comprises a valve cavity (101) and a shell (149), a first slider (102) and a second slider (103) are movably mounted inside the valve cavity (101), a first movable iron core (104) is fixedly connected to the outer surface of one side of the first slider (102), a first spring cavity (105) is formed inside one side, away from the first slider (102), of the main valve body (1), a first spring (106) is movably mounted inside the first spring cavity (105), the first spring (106) is sleeved outside the first movable iron core (104), a first sealing cavity (107) is formed outside one side, close to the valve cavity (101), of the first movable iron core (104), a second movable iron core (108) is fixedly connected to the outer surface of one side of the second slider (103), and a second sealing cavity (111) is formed outside one side, close to the valve cavity (101), of the second movable iron core (108), a second spring cavity (109) is formed in one side, away from the second slider (103), of the main valve body (1), a second spring (110) is movably mounted in the second spring cavity (109), the second spring (110) is sleeved outside the second movable iron core (108), an electromagnetic coil (112) is fixedly mounted outside the second movable iron core (108) close to the middle of the second movable iron core, a feeding port (113) is formed in a position, close to the center, in one side of the outer shell (149), and a discharging port A (114) and a discharging port B (115) are formed in the other side of the outer shell (149);

the transmission mechanism (3) comprises an intermittent motor (301), a driving gear (303) and a driven gear (304), wherein a rotating rod (302) is fixedly connected to the outer surface of one side of the intermittent motor (301), a rotating handle (305) is fixedly connected to the outer surface of the other side of the intermittent motor (301), the outer surface of one side of the rotating rod (302) is fixedly connected with the driving gear (303), the driving gear (303) is meshed with the driven gear (304) to be connected, a first gear rod (306) is fixedly connected to the outer surface of one side of the driven gear (304), a second gear rod (307) is fixedly connected to the outer surface of the other side of the driven gear (304), the first gear rod (306) is fixedly connected with a first movable iron core (104) through a connecting rod (308), and the second gear rod (307) is fixedly connected with a second movable iron core (108) through a connecting rod (308), the outer side wall part of driving gear (303) is provided with the teeth of a cogwheel, and another part surface is smooth, the upper and lower both ends inside wall of driven gear (304) all is equipped with the teeth of a cogwheel that meshes with driving gear (303).

2. A two-way solenoid valve according to claim 1, wherein: the protective housing (2) includes motor storehouse (201), the lower extreme surface of intermittent type formula motor (301) is rotated with the internal surface bottom of motor storehouse (201) and is connected, change the lower extreme surface threaded connection that the upper end surface of (305) passes through screw rod (309) and intermittent type formula motor (301), the lower extreme surface of motor storehouse (201) is provided with fixing device (4), first movable iron core (104), second movable iron core (108), first gear pole (306) and second gear pole (307) are close to one side inside of protective housing (2) and all set up through-center hole (311), the both ends and the corresponding position threaded connection of four through-center holes (311) of protective housing (2) have four fixed iron core (202), four fixed iron core (202) set up in the inside of the through-center hole (311) that corresponds.

3. A two-way solenoid valve according to claim 2, wherein: the fixing device (4) comprises a fixing sleeve (401), the outer surface of one side of the fixing sleeve (401) is fixedly connected with the outer surface of the lower end of the motor bin (201), a third spring (402) and a telescopic rod (403) are arranged in the fixed sleeve (401), the outer surface of one side of the third spring (402) is fixedly connected with the outer surface of the lower end of the motor bin (201), the other side of the fixed sleeve (401) is in threaded connection with a sealing cover (404), a through hole (310) is formed in one side of the rotating handle (305), the outer surface of the other side of the third spring (402) is fixedly connected with a telescopic rod (403), the outer surface of one side of the telescopic rod (403) far away from the motor bin (201) is propped against the outer surface of the upper end of the sealing cover (404), when the rotating handle (305) is rotated to ensure that the outer surface of one side of the first sliding block (102) is attached to the inner surface side of the valve cavity (101), the through hole (310) vertically corresponds to the telescopic rod (403).

4. A two-way solenoid valve according to claim 1, wherein: the first gear rod (306) is far away from one side surface of driven gear (304) and one side surface parallel arrangement that first slider (102) was kept away from to first movable iron core (104), one side surface that driven gear (304) was kept away from to second gear rod (307) is perpendicular corresponding with one side surface that second slider (103) was kept away from to second movable iron core (108), sufficient space is left in through-hole (311) and is made relative sliding motion between first gear rod (306), second gear rod (307), first movable iron core (104), second movable iron core (108) and corresponding fixed iron core (202).

5. A two-way solenoid valve according to claim 1, wherein: the inner diameters of the feeding opening (113), the discharging opening A (114) and the discharging opening B (115) are consistent, the size specifications of the first sliding block (102) and the second sliding block (103) are consistent, the outer diameters of the first sliding block (102) and the second sliding block (103) are larger than the inner diameters of the feeding opening (113), the discharging opening A (114) and the discharging opening B (115), and the outer diameters of the first sliding block (102) and the second sliding block (103) are the same as the inner diameter of the valve cavity (101).