Electrically-controlled tee valve and washer with same

A technology of three-way valve and washing machine, applied to other washing machines, applications, multi-way valves, etc., can solve the problems of affecting the washing effect, inconvenient control of the three-way drain valve, and no reduction in human operation, so as to achieve automation and reduce Small secondary pollution, simple structure effect

Active Publication Date: 2015-03-25

QINGDAO HAIER WASHING MASCH CO LTD

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AI-Extracted Technical Summary

Problems solved by technology

[0004] In the above-mentioned patent documents, the three-way drain valve is inconvenient to be controlled manually, and it drains the water to be reused into the basin. When using it, it still needs to manua...

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Method used

Circulating water pipe 317 is connected back in washing machine barrel, and its water outlet is positioned at washing machine barrel top position, and water outlet place is provided with spraying d...

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Abstract

The invention discloses an electrically-controlled tee valve comprising a valve body and a valve core. The valve body is provided with a cavity. The sidewall of the valve body is provided with a first valve opening, a second valve opening and a third valve opening all communicated with the cavity. The valve core is movably disposed within the cavity. At least one end, along the moving direction of the valve core, of the inside of the cavity is provided with an electric controller used for controlling motion of the valve core. By controlling the motion of the valve core, a passage between the first valve opening and the second valve opening or that between the first valve opening and the third valve opening can be selectively closed. A washer is characterized in that a water outlet of a drain pump is provided with the electrically-controlled tee valve; the first valve opening is connected to a water outlet of the drain pump; the second valve opening is connected to a circulating water pipe; the third valve opening is connected with a drain pipe. The electrically-controlled tee valve is simple in structure and convenient to control; by the application of the electrically-controlled tee valve in washers, circulation of washing water or selective control of sewage drainage is facilitated, and automation of the washers is further achieved.

Application Domain

Operating means/releasing devices for valvesOther washing machines +2

Technology Topic

Water pipeValve opening +4

Image

Examples

Experimental program(3)

Example Embodiment

[0045] Example one:

[0046] Such as Figure 2~8 As shown, in this embodiment, an electronically controlled three-way valve according to the present invention includes a cylindrical valve body 110. The valve body 110 has a cavity inside to form a valve cavity 111. A first valve port 112 is provided in the middle position on the side wall, and a second valve port 113 and a third valve port 114 are respectively provided on the side wall of the valve body 110 opposite to the first valve port 112 at positions close to both ends. A valve port 112, a second valve port 113 and a third valve port 114 are all communicated with the valve cavity 111.

[0047] Such as Figure 5 As shown, the valve cavity 111 is provided with a sliding shaft 115 that can slide in the valve cavity 111, and a valve core 116 is fixedly installed on the sliding shaft 115. The valve core 116 and the sliding shaft 115 can move together to achieve a selective closure. A passage between the valve port 112 and the second valve port 113, or, the passage between the first valve port 112 and the third valve port 114 is closed.

[0048] The sliding shaft 115 is a rod-shaped structure with a total length shorter than the inner length of the valve cavity 111, so that it can move along the length of the valve cavity 111. The center of the sliding shaft 115 is provided with an annular groove, and the groove A valve core 116 made of rubber material is provided, and the valve core 116 is clamped on the sliding shaft 115 to facilitate movement with the sliding shaft 115.

[0049] The external shape of the valve core 116 corresponds to the cross section of the passage connecting the first valve port 112 and the second valve port 113 and the first valve port 112 and the third valve port 114, so that it can completely block the above-mentioned passage, Realize the selective control of the working port of the valve.

[0050] In this embodiment, a first electromagnet 117 and a second electromagnet 118 are respectively provided at both ends of the sliding shaft 115, and the sliding shaft 115 is made of a metal material that can move under the action of the electromagnet. The electromagnet is energized to attract the sliding shaft 115 to move to realize the control of the electronically controlled three-way valve.

[0051] Such as Figure 7 , 8 As shown, a circlip mounting seat 120 for installing the circlip 119 is provided in the valve cavity 111, the circlip mounting seat 120 is provided with a space for the circlip 119 to rotate, and the sliding shaft 115 is provided with an installation circlip 119 The two ends of the circlip 119 are respectively clamped in the circlip mounting seat 120 and the groove. When the sliding shaft 115 is at one end of the valve cavity 111, the force of the circlip 119 on the sliding shaft 115 can make the sliding The shaft 115 maintains its current position.

[0052] Preferably, the electromagnet cores provided at both ends of the sliding shaft 115 are the end covers of the valve body, and the positions where they are connected to the valve body are provided with sealing rings, and they are connected to the valve body by bolts. An electromagnet 117 is provided with a first terminal 121 outside, and the second electromagnet 118 is provided with a second terminal 122 outside.

[0053] Its working process is as follows: Figure 7 As shown, the first terminal 121 is energized, and when the second terminal 122 is de-energized, the first electromagnet 117 generates a magnetic force to attract the sliding shaft 115 to move toward the first electromagnet 117, and fix the valve core mounted on the sliding shaft 115 116 moves with the sliding shaft 115. When the sliding shaft 115 moves to the limit position, the valve core 116 can just completely close the passage between the first valve port 112 and the second valve port 113. At this time, the first valve of the three-way valve The connection between the port 112 and the third valve port 114 for work; at this time, the power to the first terminal 121 can be stopped, because the circlip 119 is compressed and deformed at this time, and the state before the deformation is to be restored will produce the sliding shaft 115 A certain thrust, and the direction of the thrust is to push the sliding shaft 115 toward the first electromagnet 117, so the sliding shaft 115 can be kept close to the first electromagnet 117 under the force of the circlip 119.

[0054] Such as Figure 8 As shown, the second terminal 122 is energized. When the first terminal 121 is de-energized, the second electromagnet 118 generates a magnetic force to attract the sliding shaft 115 to move in the direction of the second electromagnet 118, fixing the valve core mounted on the sliding shaft 115 116 moves with the sliding shaft 115. When the sliding shaft 115 moves to the limit position, the valve core 116 can just completely close the passage between the first valve port 112 and the third valve port 114. At this time, the first valve of the three-way valve The connection between the port 112 and the second valve port 113 for work; at this time, the second terminal 122 can be stopped energizing, because the circlip 119 is compressed and deformed at this time, and the state before the deformation is to be restored will produce the sliding shaft 115 A certain thrust, and the direction of the thrust is to push the sliding shaft 115 toward the second electromagnet 118, so the sliding shaft 115 can be kept close to one end of the second electromagnet 118 under the force of the circlip 119.

Example Embodiment

[0055] Embodiment two:

[0056] Such as Figure 9-12 As shown, the main difference between this embodiment and the first embodiment is that in this embodiment, only one end of the valve cavity 211 inside the valve body 210 is provided with an electromagnet 217 as the control end of the electronically controlled three-way valve, and the other end is provided with a function The return spring 218 whose force is opposite to that of the electromagnet 217, wherein the elastic force of the return spring 218 is smaller than the attractive force of the electromagnet 217 to the sliding shaft 215 when the electromagnet 217 works.

[0057] In this embodiment, the electromagnet 217 is energized to realize the communication between the first valve port 212 and the third valve port 214. When the electromagnet 217 is de-energized, the return spring 218 operates to realize the communication between the first valve port 212 and the second valve port 213.

[0058] Such as Picture 11 , 12 As shown, the return spring 218 is sleeved on the end of the sliding shaft 215 away from the electromagnet 217. The end of the sliding shaft 215 is provided with a ring-shaped protrusion 219 with a diameter greater than the inner diameter of the return spring 218. One end of the return spring 218 abuts On the annular protrusion 219, the other end abuts against the inner support 220 provided in the valve cavity 211.

[0059] Its working process is as follows: Picture 11 As shown, the sliding shaft 215 is only subjected to the elastic force of the return spring 218 when it is not energized. Due to the direction of the elastic force, the sliding shaft 215 is far away from the end provided with the electromagnet 217. At this time, the valve core 216 connects the first valve port 212 The connecting passage with the second valve port 213 is completely closed, so that the first valve port 212 and the third valve port 214 are in communication.

[0060] Such as Picture 12 As shown, after energization, the electromagnet 217 generates an attractive force greater than the force of the return spring 218, so that the sliding shaft 215 moves toward the end of the electromagnet 217. When the sliding shaft 215 moves to the limit position, the valve core 216 connects the first valve port 212 with The connecting passage of the third valve port 214 is completely closed, so that the first valve port 212 and the second valve port 213 are in communication.

Example Embodiment

[0061] Embodiment three:

[0062] Such as Figure 13 , 14 As shown, this embodiment introduces a washing machine in which the water outlet 316 of the drain pump 311 at the bottom of the washing machine housing 310 is provided with the electronically controlled three-way valve 312 described in the first or second embodiment, and the electronically controlled three-way The first valve port 313 of the valve 312 is used as the water inlet to connect to the drain pump outlet 316, the second valve port 314 of the electronically controlled three-way valve 312 is connected to the circulating water pipe 317, and the third valve port 315 of the electronically controlled three-way valve 312 is connected for Drain pipe 318 for discharging washing sewage.

[0063] Preferably, a filter device 320 is provided at the connection between the second valve port 314 and the circulating water pipe 317. The filter device 320 can filter out part of the dirt washed from the clothes in the washing water, so that the washing water can be initially cleaned. Enter the circulating water pipe 317 for recycling.

[0064] The circulating water pipe 317 is connected back to the washing machine barrel, and its water outlet is located above the washing machine barrel. A spray device 319 is provided at the water outlet to divide the circulating water when it is discharged and produce a higher speed to wash the clothes, so that the clothes can be obtained. More uniform and effective cleaning, better washing effect.

[0065] Of course, the application of the electronically controlled three-way valve in the present invention is not limited to the washing machine or the water circulation process in the washing machine.

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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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