A water diversion solenoid valve

Abstract

The invention discloses a water-dividing electromagnetic valve. A first water outlet pipe, a second water outlet pipe and a third water outlet pipe are arranged on the valve body, a first water outlet channel, a second water outlet channel and a third water outlet channel connected with the first water outlet pipe, the second water outlet pipe and the third water outlet pipe are arranged in the valve body, the first water outlet channel is connected with the second water outlet channel and the third water outlet channel through a one-way valve, a valve port is arranged on the first channel, the second channel and the third channel, a diaphragm plate is arranged at the valve port, a diaphragm is arranged between the diaphragm plate and the valve port, a pressure relief hole and a pressure boosting hole are arranged on the diaphragm plate, a guide rod is arranged in the coil, an electromagnetic driving device for opening the valve port is arranged in the guide rod, each channel can be used separately or simultaneously, connected through the one-way valve, simple in structure, improved in production efficiency, realizing a multi-channel water-dividing function, ensuring that the water outlets of the multi-channels will not be mixed, ensuring that the water outlet flow of each channel is consistent, reducing the volume, and reducing the production cost.

Description

Technical Field

[0001] The invention relates to the technical field of solenoid valves, and in particular to a water-dividing solenoid valve. Background Art

[0002] Solenoid valves are industrial devices controlled by electromagnetics, used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. Usually, solenoid valves can be used in the water inlet control of many household appliances such as washing machines, air conditioners, dishwashers, ice machines and water dispensers. Solenoid valves can be used with different circuits to achieve the desired control, and the control accuracy and flexibility can be guaranteed.

[0003] At present, water inlet solenoid valves are widely used in household appliances, and household appliance manufacturers require water inlet solenoid valves to have many functions. To realize a multifunctional water inlet solenoid valve, the existing water inlet solenoid valves with multiple water outlet channels and multiple functions can only complete the corresponding functions according to the corresponding water outlet channels. They have single functions and large size, which will increase the size of the corresponding adapted household appliances, and have complex structures, high costs and low production efficiency.

[0004] In view of this, it is urgently necessary to improve the structure of the existing water inlet solenoid valve in order to simplify the structure to realize the multi-channel water distribution function, ensure that the water output of multiple channels will not be mixed, ensure that the water output flow of each channel is consistent, reduce the volume of the finished product, reduce production costs, and improve production efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is that the current water inlet solenoid valve has a single water outlet function, a large size, a complex structure, a high cost and a low production efficiency.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is to provide a water diversion solenoid valve, including a valve body, a water inlet end is provided on one side of the valve body, a water outlet end connected to the water inlet end is provided at the front end of the valve body, and further comprising:

[0007] A plurality of water outlet channels, including a first water outlet pipe, a second water outlet pipe and a third water outlet pipe arranged on the valve body, wherein the valve body is provided with a first water outlet channel, a second water outlet channel and a third water outlet channel connected to the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, and the first water outlet channel is connected to the second water outlet channel and the third water outlet channel through a one-way valve respectively;

[0008] The first channel, the second channel and the third channel are respectively provided with valve ports, the valve ports are provided with diaphragm plates, a diaphragm is provided between the diaphragm plate and the valve ports, a pressure relief hole is provided in the middle of the diaphragm plate, and a pressure boost hole is provided on one side of the diaphragm plate;

[0009] A plurality of coils are arranged on the valve body, each coil is provided with a guide rod, and each guide rod is provided with an electromagnetic drive device for opening the valve port. When the coil is powered off, the bottom of the electromagnetic drive device presses the pressure relief hole; when the coil is powered on, the bottom of the electromagnetic drive device disengages from the pressure relief hole, the diaphragm is lifted, and the valve port is opened.

[0010] In the above scheme, a sealing cover is provided at the bottom of the valve body, a water-dividing welding surface is provided between the sealing cover and the valve body, the water-dividing welding surface and the sealing cover form a water-dividing cavity at the bottom of the second channel and the third channel, a one-way valve is provided in the water-dividing cavity, the bottom of the one-way valve is fixed to the sealing cover by a one-way valve spring, and a first O-ring is provided between the one-way valve and the water-dividing welding surface.

[0011] In the above scheme, the water-dividing welding surface and the sealing cover constitute the first water outlet channel, and a first flow regulating device is provided in the first water outlet channel. The first flow regulating device includes a first flow column arranged in the first water outlet channel and a first flow limiting plate installed on the first flow column.

[0012] In the above scheme, the first channel, the second channel and the third channel are respectively divided into a water inlet chamber and a water outlet chamber by the diaphragm, and the inner wall of each water inlet chamber is respectively provided with a water inlet connected to the water inlet end, and each water outlet chamber is respectively connected to the first water outlet pipe, the second water outlet pipe and the third water outlet pipe.

[0013] In the above scheme, a second flow regulating device is respectively provided at the water outlets of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, and the second flow regulating device includes a second flow column respectively installed in the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, and a second flow limiting plate installed on the second flow column.

[0014] In the above scheme, a sliding channel is provided in the guide rod, and the electromagnetic drive device is slidably arranged in the guide rod. The electromagnetic drive device includes a sliding iron core arranged in the sliding channel, the top of the sliding iron core is fixed to the guide rod through a return spring, and the bottom is pressed against the pressure relief hole through a piston cap.

[0015] In the above scheme, a guide rod seat is provided at the bottom of the guide rod, the bottom of the guide rod seat is placed at the valve port and is sleeved with the diaphragm plate, and a diaphragm is provided between the guide rod seat and the diaphragm plate.

[0016] In the above scheme, the guide rod seat, the diaphragm and the diaphragm plate are sealed to form a boost chamber, the pressure relief hole connects the water outlet chamber with the boost chamber, and the boost control connects the water inlet chamber with the boost chamber.

[0017] In the above scheme, a flow regulating plug is provided in the water inlet end, and a water inlet flow limiting plate is provided on the flow regulating plug.

[0018] In the above scheme, a threaded plug is provided in the water outlet, an internal thread is provided in the water outlet, an external thread matching the internal thread is provided on the threaded plug, and a second O-ring is provided at the sealing portion between the threaded plug and the water outlet.

[0019] Compared with the prior art, the present invention has a first water outlet pipe, a second water outlet pipe and a third water outlet pipe on the valve body, a first water outlet channel, a second water outlet channel and a third water outlet channel connected with the first water outlet pipe, the second water outlet pipe and the third water outlet pipe are provided in the valve body, the first water outlet channel is connected with the second water outlet channel and the third water outlet channel through a one-way valve respectively, valve ports are respectively provided on the first channel, the second channel and the third channel, a diaphragm is provided at the valve port, a diaphragm is provided between the diaphragm and the valve port, a pressure relief hole is provided in the middle of the diaphragm, a boosting hole is provided on one side of the diaphragm, a plurality of coils are provided on the valve body, a guide rod is provided in each coil, an electromagnetic driving device for opening the valve port is provided in each guide rod, each channel can be used separately or simultaneously, and is connected through a one-way valve, has a simple structure, realizes a multi-channel water distribution function, ensures that water outlets from multiple channels will not be mixed, ensures that the water outlet flow rate of each channel is consistent, reduces the volume, and reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the water-dividing solenoid valve in the present invention;

[0021] Figure 2 It is an exploded schematic diagram of the water-dividing solenoid valve in the present invention;

[0022] Figure 3 It is a structural schematic diagram of the water-dividing solenoid valve in the present invention when it is not powered;

[0023] Figure 4 It is a structural schematic diagram of the first water outlet channel of the water-dividing solenoid valve in the present invention being opened;

[0024] Figure 5 A schematic structural diagram of the second water outlet channel of the water-dividing solenoid valve in the present invention being opened;

[0025] Figure 6 A schematic diagram of the structure of the third water outlet channel of the water-dividing solenoid valve in the present invention being opened;

[0026] Figure 7 It is a structural schematic diagram of the second and third channels of the water diversion solenoid valve in the present invention being opened.

[0027] in, Figures 1 to 7 The corresponding relationship between the reference numerals and the component names is as follows:

[0028] 1 first coil, 2 second coil, 3 third coil, 4 screw, 5 installation position, 6 first water outlet channel, 7 second water outlet channel, 8 third water outlet channel, 100 valve body, 200 water inlet end, 300 water outlet end, 110 cover, 121 water inlet chamber, 122 water outlet chamber, 123 boost chamber, 310 third water outlet pipe, 210 flow regulating plug, 220 water inlet flow limiting plate, 301 second O-ring, 302 threaded plug, 311 second flow column, 312 second flow limiting plate, 313 first flow column, 314 second flow limiting plate, 320 second water outlet pipe, 330 first water outlet pipe, 323 first O-ring, 324 one-way valve, 325 one-way valve spring, 410 guide rod, 411 guide rod seat, 412 return spring, 413 sliding iron core, 414 piston, 415 piston cap, 420 diaphragm plate, 421 diaphragm, 422 pressure relief hole, 423 pressure boost hole. DETAILED DESCRIPTION

[0029] The present invention provides a water-dividing solenoid valve, so as to simplify the structure and realize the multi-channel water-dividing function, ensure that the water output from the multi-channel will not be mixed, ensure that the water output flow rate of each channel is consistent, reduce the volume of the finished product, reduce the production cost, and improve the production efficiency. The present invention is described in detail below in conjunction with the drawings and specific embodiments of the specification.

[0030] like Figure 1 , Figure 2 and Figure 3 As shown, the water diversion solenoid valve provided by the present invention includes a valve body 100, a water inlet end 200 is provided on one side of the valve body 100, a water outlet end 300 connected to the water inlet end 200 is provided at the front end of the valve body 100, and further includes:

[0031] A plurality of water outlet channels, including a first water outlet pipe 330, a second water outlet pipe 320 and a third water outlet pipe 310 arranged on the valve body 100, a first water outlet channel 6, a second water outlet channel 7 and a third water outlet channel 8 communicating with the first water outlet pipe 330, the second water outlet pipe 320 and the third water outlet pipe 310 are arranged in the valve body 100, and the first water outlet channel 6 is communicated with the second water outlet channel 7 and the third water outlet channel 8 through a one-way valve 324 respectively;

[0032] The first channel, the second channel and the third channel are respectively provided with valve ports 120, a diaphragm plate 420 is provided at the valve port 120, a diaphragm 421 is provided between the diaphragm plate 420 and the valve port 120, a pressure relief hole 422 is provided in the middle of the diaphragm plate 420, and a pressure boost hole 423 is provided on one side of the diaphragm plate 420;

[0033] The valve body 100 is also provided with a plurality of coils, each of which is provided with a guide rod 410, each of which is provided with a sliding channel, and an electromagnetic drive device is slidably arranged in the guide rod 410, including a sliding iron core 413 arranged in the interactive channel, the top of the sliding iron core 413 is fixed to the guide rod 410 by a return spring 412, and a piston 414 is provided at the bottom, and a piston cap 415 is provided on the outer sleeve of the piston 414, which is pressed against the pressure relief hole 422 when the coil is powered off, and when the coil is powered on, the bottom of the piston cap 415 is disengaged from the pressure relief hole 422, and under the action of water pressure, the diaphragm 421 is lifted to open the valve port 120.

[0034] The coils include a first coil 1, a second coil 2 and a third coil 3. The first coil 1 is energized and used to open the valve port 120 of the first water outlet channel 6 through the electromagnetic drive device in the guide rod 410. The second coil 2 is energized and used to open the valve port 120 of the second water outlet channel 7 through the electromagnetic drive device in the guide rod 410. The third coil 3 is energized and used to open the valve port 120 of the third water outlet channel 8 through the electromagnetic drive device in the guide rod 410. Each coil can be energized individually to open each valve port 120, or can be energized at the same time to open each valve port 120, so that its function is more optimized.

[0035] A sealing cover 110 is provided at the bottom of the valve body 100, and a water-dividing welding surface is provided between the sealing cover 110 and the valve body 100. The water-dividing welding surface and the sealing cover 110 form a water-dividing cavity at the bottom of the water outlet cavity 122 of the second channel and the third channel. A one-way valve 324 is provided in the water-dividing cavity. The bottom of the one-way valve 324 is fixed to the sealing cover 110 by a one-way valve spring 325. A first O-ring 323 is provided between the one-way valve 324 and the water-dividing welding surface. The structure is simple and the sealing performance is good.

[0036] The water-dividing welding surface and the sealing cover 110 form a first water outlet channel 6 at the bottom of the first channel. A first flow regulating device is provided in the first water outlet channel 6. The first flow regulating device includes a first flow column 313 arranged in the first water outlet channel 6 and a first flow limiting plate 314 installed on the first flow column 313.

[0037] A second flow regulating device is respectively provided at the water outlet of the first water outlet pipe 330, the second water outlet pipe 320 and the third water outlet pipe 310, and the second flow regulating device includes a second flow column 311 respectively installed in the first water outlet pipe 330, the second water outlet pipe 320 and the third water outlet pipe 310 and a second flow limiting plate 312 installed on the second flow column 311.

[0038] The working process of the present invention is as follows:

[0039] like Figure 4As shown, the working principle of the first water outlet channel 6 is that the first coil 1 is energized, and the sliding iron core 413, under the action of the electromagnetic force, overcomes the force of the return spring 412 and moves in the reverse direction, so that the bottom of the piston cap 415 is separated from the pressure relief hole 422. Under the action of the water inlet pressure, the diaphragm 421 is lifted to open the valve port 120 of the first water outlet channel 6, and the water flows into the first water outlet pipe 330 through the first flow regulating device in the first water outlet channel 6, and flows out from the water outlet of the first water outlet pipe 330 at a stable flow rate through the first flow device.

[0040] like Figure 5 As shown, the working principle of the second water outlet channel 7 is that the second coil 2 is energized, and the sliding iron core 413 now moves in the opposite direction under the action of the electromagnetic force, overcoming the action of the return spring 412, so that the bottom of the piston cap 415 is separated from the pressure relief hole 422. Under the action of the water inlet pressure, the diaphragm 421 is lifted to open the valve port 120 of the second water outlet channel 7. At this time, the water flow in the second water outlet channel 7 is divided into two paths, one path passes through the second flow device and flows out from the water outlet of the second water outlet pipe 320 at a stable flow rate; the other path enters the water diversion chamber, opens the one-way valve 324, enters the first water outlet pipe 330 through the pipeline, and flows out from the water outlet of the first water outlet pipe 330 at a stable flow rate through the first flow device.

[0041] like Figure 6 As shown, the working principle of the third water outlet channel 8 is that the third coil 3 is energized, and the sliding iron core 413 now moves in the opposite direction under the action of the electromagnetic force, overcoming the action of the return spring 412, so that the bottom of the piston cap 415 is separated from the pressure relief hole 422, and under the action of the water inlet pressure, the diaphragm 421 is lifted to open the valve port 120 of the third water outlet channel 8. At this time, the water flow in the third water outlet channel 8 is divided into two paths, one path passes through the second flow device and flows out from the water outlet of the third water outlet pipe 310 at a stable flow rate; the other path enters the water diversion chamber, opens the one-way valve 324, enters the first water outlet pipe 330 through the pipeline, and flows out from the water outlet of the first water outlet pipe 330 at a stable flow rate through the first flow device.

[0042] like Figure 7As shown, the working principle of the second and third water outlet channels is that the second and third coils are energized, and the sliding iron core 413 now moves in the opposite direction under the action of the electromagnetic force, overcoming the action of the return spring 412, so that the bottom of the piston cap 415 is separated from the pressure relief hole 422. Under the action of the water inlet pressure, the diaphragm 421 is lifted to open the valve port 120 of the second and third water outlet channels. At this time, the water flow in the second and third water outlet channels is divided into two paths, one path passes through the second flow device and flows out from the water outlet of the second and third water outlet pipes at a stable flow rate; the other path enters the water diversion chamber, opens the one-way valve 324, enters the first water outlet pipe 330 through the pipeline, and flows out from the water outlet of the first water outlet pipe 330 through the first flow device at a stable flow rate. At this time, water flows out of the first water outlet pipe 330, the second water outlet pipe 320 and the second water outlet pipe 320 respectively.

[0043] Preferably, a guide rod seat 411 is provided at the bottom of the guide rod 410, the bottom of the guide rod seat 411 is placed at the valve port 120 and sleeved with the diaphragm plate 420, and a diaphragm 421 is provided between the guide rod seat 411 and the diaphragm plate 420. The guide rod seat 411, the diaphragm 421 and the diaphragm plate 420 are sealed to form a boosting chamber 123, the pressure relief hole 422 connects the water outlet chamber 122 with the boosting chamber 123, and the boosting hole 423 connects the water inlet chamber with the boosting chamber 123.

[0044] Preferably, a flow regulating plug 210 is provided in the water inlet end 200 , and a water inlet flow limiting plate 220 is provided on the flow regulating plug 210 to ensure the water inlet flow rate of the water inlet end 200 .

[0045] Preferably, a threaded plug 302 is provided in the water outlet end 300, an internal thread is provided in the water outlet end 300, an external thread matching the internal thread is provided on the threaded plug 302, and a second O-ring 301 is provided at the sealing point between the threaded plug 302 and the water outlet end 300 to block the pipe opening of the water outlet end 300, and at the same time, a sealing effect is achieved through the second O-ring 301.

[0046] Preferably, a mounting position 5 is provided on the valve body 100 , mounting holes are provided around the mounting position 5 , the first coil 1 , the second coil 2 and the third coil 3 are fixed on the mounting position 5 by screws 4 , and the mounting position 5 is also provided with a plurality of through holes corresponding to the valve hole 120 .

[0047] Compared with the prior art, the present invention has a first water outlet pipe, a second water outlet pipe and a third water outlet pipe on the valve body, a first water outlet channel, a second water outlet channel and a third water outlet channel connected with the first water outlet pipe, the second water outlet pipe and the third water outlet pipe are provided in the valve body, the first water outlet channel is connected with the second water outlet channel and the third water outlet channel through a one-way valve, respectively, valve ports are provided on the first channel, the second channel and the third channel, a diaphragm is provided at the valve port, a diaphragm is provided between the diaphragm and the valve port, a pressure relief hole is provided in the middle of the diaphragm, a boosting hole is provided on one side of the diaphragm, a plurality of coils are provided on the valve body, a guide rod is provided in each coil, an electromagnetic driving device for opening the valve port is provided in each guide rod, each channel can be used separately or simultaneously, and are connected through a one-way valve, so the structure is simple, the production efficiency is improved, the multi-channel water distribution function is realized, it is ensured that the water outlets of the multi-channels will not be mixed, the water outlet flow rate of each channel is ensured to be consistent, the volume is reduced, and the production cost is reduced.

[0048] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention.

Claims

1. A water diversion solenoid valve, comprising a valve body, one side of which is provided with a water inlet end. The front end of the valve body is provided with a water outlet connected to the water inlet, characterized in that: Also includes: A plurality of water outlet channels, including a first water outlet pipe, a second water outlet pipe and a third water outlet pipe arranged on the valve body, wherein the valve body is provided with a first water outlet channel, a second water outlet channel and a third water outlet channel connected to the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, and the first water outlet channel is connected to the second water outlet channel and the third water outlet channel through a one-way valve respectively; The first water outlet channel, the second water outlet channel and the third water outlet channel are respectively provided with valve ports, the valve ports are provided with diaphragm plates, a diaphragm is provided between the diaphragm plate and the valve ports, a pressure relief hole is provided in the middle of the diaphragm plate, and a pressure boost hole is provided on one side of the diaphragm plate; A plurality of coils are arranged on the valve body, each coil is provided with a guide rod, each guide rod is provided with an electromagnetic drive device for opening the valve port, when the coil is powered off, the bottom of the electromagnetic drive device presses the pressure relief hole; when the coil is powered on, the bottom of the electromagnetic drive device is disengaged from the pressure relief hole, the diaphragm plate is lifted, and the valve port is opened; A cover is provided at the bottom of the valve body, a water-dividing welding surface is provided between the cover and the valve body, the water-dividing welding surface and the cover form a water-dividing cavity at the bottom of the second water outlet channel and the third water outlet channel, a one-way valve is provided in the water-dividing cavity, the bottom of the one-way valve is fixed to the cover by a one-way valve spring, and a first O-ring is provided between the one-way valve and the water-dividing welding surface; The first water outlet channel, the second water outlet channel and the third water outlet channel are respectively divided into a water inlet chamber and a water outlet chamber by the diaphragm, and the inner wall of each water inlet chamber is respectively provided with a water inlet connected to the water inlet end, and each water outlet chamber is respectively connected to the first water outlet pipe, the second water outlet pipe and the third water outlet pipe.

2. The water diversion solenoid valve according to claim 1, characterized in that: The water-dividing welding surface and the sealing cover constitute the first water outlet channel. A first flow regulating device is provided in the first water outlet channel. The first flow regulating device includes a first flow column provided in the first water outlet channel and a first flow limiting plate installed on the first flow column.

3. The water diversion solenoid valve according to claim 1, characterized in that: A second flow regulating device is respectively provided at the water outlets of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, and the second flow regulating device includes a second flow column respectively installed in the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, and a second flow limiting plate installed on the second flow column.

4. The water diversion solenoid valve according to claim 1, characterized in that: A sliding channel is provided in the guide rod, and the electromagnetic drive device is slidably arranged in the guide rod. The electromagnetic drive device includes a sliding iron core arranged in the sliding channel. The top of the sliding iron core is fixed to the guide rod through a return spring, and the bottom is pressed against the pressure relief hole through a piston cap.

5. The water diversion solenoid valve according to claim 1, characterized in that: A guide rod seat is provided at the bottom of the guide rod, the bottom of the guide rod seat is placed at the valve port and sleeved with the diaphragm plate, and a diaphragm is provided between the guide rod seat and the diaphragm plate.

6. The water diversion solenoid valve according to claim 5, characterized in that: The guide rod seat, the diaphragm and the diaphragm plate are sealed to form a boosting chamber, the pressure relief hole connects the water outlet chamber with the boosting chamber, and the boosting chamber connects the water inlet chamber with the boosting chamber.

7. The water diversion solenoid valve according to claim 1, characterized in that: A flow regulating plug is arranged in the water inlet end, and a water inlet flow limiting plate is arranged on the flow regulating plug.

8. The water diversion solenoid valve according to claim 1, characterized in that: A threaded plug is provided in the water outlet end, an internal thread is provided in the water outlet end, an external thread matching the internal thread is provided on the threaded plug, and a second O-ring is provided at the sealing portion between the threaded plug and the water outlet end.

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