CN214534646U - Waste water valve and water purification unit - Google Patents

Abstract

The utility model relates to a water purification unit technical field, concretely relates to waste valve and water purification unit. The waste water valve includes: the valve body is provided with a water inlet cavity, a plurality of water distribution cavities, a water outlet cavity and a plurality of waste water holes, and one water distribution cavity is communicated with the water outlet cavity through at least one waste water hole; the adjusting piece is arranged on the valve body so as to communicate the water inlet cavity with the at least one water distribution cavity; and the valve needles are movably arranged in the corresponding water diversion cavities and are arranged in a pluggable manner with the waste water holes, and the valve needles have a closing state inserted into the waste water holes and an opening state pulled out of the waste water holes so as to adjust the waste water ratio by switching the water diversion cavities through the adjusting pieces. The utility model can realize different wastewater proportions by switching the water diversion cavities through the adjusting part, and can adapt to the water quality difference in different areas; the valve needle is inserted into the waste water hole to clean dirt in the waste water hole, so that the purpose of self-cleaning is achieved, and the situation that the waste water hole is blocked is prevented.

Description

Waste water valve and water purification unit

Technical Field

The utility model relates to a water purification unit technical field, concretely relates to waste valve and water purification unit.

Background

Due to the difference of underground water quality, the water quality all over the country is different. The wastewater ratio of the existing water purifier is fixed, and the existing water purifier cannot adapt to water quality differences all over the country, so that the RO membrane cannot reach the normal service life in a region with poor water quality, and the existing water purifier is rapidly polluted and loses efficacy; in places with good water quality, the same waste water ratio can waste more fresh water resources. In addition, in areas with poor water quality, after the wastewater electromagnetic valve runs for a long time, the wastewater hole is easily blocked after crystal scale is separated out on the wastewater branch component, the RO membrane is also blocked so as to rapidly lose efficacy, the RO membrane which can be normally used for three years through data investigation can be severely and rapidly lost efficacy after being polluted for only about four months at the shortest time in places with high water hardness, and finally the condition of no water is generated.

To above-mentioned condition, prior art has adjustable waste water than the solenoid valve, and through setting up the hole dish, the through-hole that has different apertures on the hole dish realizes the regulation of waste water ratio through the through-hole of difference, and then adapts to different quality of water, but its problem that can't solve the waste water hole and block up, and then does not thoroughly solve the user pain point.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a waste water valve and water purification unit to solve among the prior art problem that the jam takes place easily in the waste water hole of adjustable waste water ratio solenoid valve.

In order to achieve the above object, the utility model provides a waste water valve, include: the valve body is provided with a water inlet cavity, a plurality of water distribution cavities, a water outlet cavity and a plurality of waste water holes, and one water distribution cavity is communicated with the water outlet cavity through at least one waste water hole; the adjusting piece is arranged on the valve body so as to communicate the water inlet cavity with the at least one water distribution cavity; and the valve needles are movably arranged in the corresponding water diversion cavities and are arranged in a pluggable manner with the waste water holes, and the valve needles have a closing state inserted into the waste water holes and an opening state pulled out of the waste water holes so as to adjust the waste water ratio by switching the water diversion cavities through the adjusting pieces.

Optionally, the waste water valve further comprises an elastic member connected with the valve needle, under the action of water pressure in the water diversion cavity, the elastic member is in a compressed state, and the valve needle is in an open state; under the action of the reset elasticity of the elastic part, the valve needle is in a closing state.

Optionally, the adjusting member is a movable member movably disposed on the valve body, and the movable member has a communicating structure communicating the water inlet chamber with the at least one water diversion chamber.

Optionally, the movable member is a turntable, and the plurality of water diversion chambers are arranged around the center of the turntable.

Optionally, the water diversion cavity is located outside the water outlet cavity, and the water inlet cavity is located inside the water outlet cavity.

Optionally, the waste water valve further comprises a valve core fixed on the valve body, the valve core is located between the valve body and the rotary table, the valve core is provided with a water inlet and a plurality of water discharging ports, the water inlet is correspondingly communicated with the water inlet cavity, and the plurality of water discharging ports are correspondingly communicated with the plurality of water distributing cavities one to one.

Optionally, the communicating structure is a communicating cavity.

Optionally, the outer diameters of the plurality of valve needles are different, or the outer diameters of the plurality of valve needles are the same, and the number of the valve needles corresponding to the plurality of water diversion cavities is different.

Optionally, the valve body further has a flushing cavity, and the adjusting member is adapted to communicate the inlet cavity with the flushing cavity.

Optionally, the valve body further has a water outlet channel communicated with the flushing cavity, and the water outlet cavity is communicated with the flushing cavity.

Optionally, the waste valve further comprises a drive member, the drive member being connected to the moveable member.

Optionally, the waste water valve further comprises a fixing seat, the first end of the valve needle is arranged in a pluggable manner with the waste water hole, the second end of the valve needle is fixed on the fixing seat, one end, far away from the valve needle, of the fixing seat is connected with the elastic part, and the water pressure in the water diversion cavity acts on one end, facing the valve needle, of the fixing seat.

Optionally, the valve body is further provided with a plurality of mounting cavities communicated with the plurality of water distribution cavities in a one-to-one correspondence manner, and the fixing seat and the elastic piece corresponding to the water distribution cavities are mounted in one mounting cavity.

Optionally, the waste valve further comprises a valve seat, the valve seat is provided with a water inlet channel and a water outlet channel, one end of the water inlet channel is communicated with the water inlet cavity, and one end of the water outlet channel is communicated with the water outlet cavity.

The utility model also provides a water purification unit, include: the above-mentioned waste water valve.

The utility model discloses technical scheme has following advantage: when waste water is discharged, the regulating part is communicated with the water inlet cavity and the water distribution cavity, the valve needle corresponding to the water distribution cavity is pulled out from the corresponding waste water hole, the waste water hole is opened, and waste water sequentially passes through the water inlet cavity, the water distribution cavity and the waste water hole to enter the water outlet cavity, so that waste water is discharged. The water distribution cavity is switched through the adjusting part, so that different wastewater proportions can be realized, the water quality difference of different regions can be adapted, the RO membrane in the region with poor water quality can reach the normal service life, the pure water utilization rate is improved in the place with good water quality, the fresh water resource is saved, and the problems of easy pollution and blockage failure of the RO membrane and waste of the fresh water resource caused by fixed wastewater ratio are effectively solved. The valve needle can be inserted into the waste water hole to clean dirt in the waste water hole, so that the purpose of self-cleaning is achieved, and the situation that the waste water hole is blocked is prevented. The waste water valve can realize the regulation of the waste water ratio and self-cleaning, and effectively solves the problem that the waste water hole of the electromagnetic valve is easy to block in the prior art.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 shows a schematic front view of a waste valve provided in a first embodiment of the invention;

FIG. 2 shows a schematic cross-sectional view of the waste valve of FIG. 1;

FIG. 3 shows a schematic top view of the valve body of the waste valve of FIG. 1;

FIG. 4 shows a perspective schematic view of the valve body of FIG. 3;

FIG. 5 shows a schematic front view of a rotating disk of the waste valve of FIG. 1;

FIG. 6 shows a schematic bottom view of the turntable of FIG. 5;

FIG. 7 shows a schematic top view of a valve cartridge of the waste valve of FIG. 1;

figure 8 shows a schematic top view of the valve needle and the retaining seat of the waste valve of figure 1.

Description of reference numerals:

10. a valve body; 121. a water inlet cavity; 122. a water diversion cavity; 13. a water outlet cavity; 15. a wastewater port; 171. a first separating cylinder; 172. a second partition cylinder; 18. a partition plate; 19. flushing the cavity; 20. a valve needle; 30. a drive member; 41. a turntable; 411. a communicating cavity; 42. a valve core; 421. a water inlet; 422. a water outlet; 423. flushing the opening; 71. an elastic member; 72. a fixed seat; 73. sealing the cover; 74. a gland; 75. a seal ring; 81. a valve seat; 82. a water inlet joint; 83. and a water outlet joint.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the waste water valve of the present embodiment includes: the valve comprises a valve body 10, an adjusting piece and a plurality of valve needles 20, wherein the valve body 10 is provided with a water inlet cavity 121, a plurality of water dividing cavities 122, a water outlet cavity 13 and a plurality of waste water holes 15, and one water dividing cavity 122 is communicated with the water outlet cavity 13 through at least one waste water hole 15; the adjusting piece is arranged on the valve body 10 to communicate the water inlet cavity 121 with the at least one water distribution cavity 122; the plurality of valve needles 20 are movably disposed in the corresponding water diversion chamber 122 and are provided to be pluggable with the plurality of waste water holes 15, and the valve needles 20 have a closed state inserted into the waste water holes 15 and an open state pulled out from the waste water holes 15 to adjust a waste water ratio by switching the water diversion chamber 122 by an adjustment member.

When the waste water valve of the embodiment is used for discharging waste water, the regulating part is communicated with the water inlet cavity 121 and the water diversion cavity 122, the valve needle corresponding to the water diversion cavity 122 is pulled out from the corresponding waste water hole 15, the waste water hole 15 is opened, and the waste water sequentially passes through the water inlet cavity 121, the water diversion cavity 122 and the waste water hole 15 and enters the water outlet cavity 13, so that the waste water is discharged. The water distribution cavity 122 is switched through the adjusting part, so that different wastewater proportions can be realized, different water quality differences in different regions can be adapted, the RO membrane in the region with poor water quality can reach the normal service life, the pure water utilization rate is improved in the place with good water quality, the fresh water resource is saved, and the problems of easy pollution and blockage failure of the RO membrane and waste of the fresh water resource caused by fixed wastewater ratio are effectively solved. The valve needle 20 can be inserted into the waste water hole 15 to clean dirt in the waste water hole 15, so that the purpose of self-cleaning is achieved, and the situation that the waste water hole 15 is blocked is prevented. The waste water valve can realize the regulation of the waste water ratio and self-cleaning, and effectively solves the problem that the waste water hole of the electromagnetic valve is easy to block in the prior art.

In this embodiment, the plurality of valve needles 20 and the plurality of waste water holes 15 are arranged in a one-to-one pluggable manner, so that the structure of the valve body is simplified and the cost is reduced. As an alternative, the number of valve needles 20 is smaller than the number of waste openings 15, one valve needle 20 being provided in a pluggable manner with two waste openings 15.

In this embodiment, the waste valve further comprises a resilient member 71 connected to the valve needle 20, the resilient member 71 being in a compressed state and the valve needle 20 being in an open state under the action of the water pressure in the water dividing chamber 122; the needle 20 is in the closing state by the restoring elastic force of the elastic member 71. The waste water hole is opened and closed under the action of the water pressure of the water inlet cavity 121 and the reset elastic force of the elastic piece 71, a driving mechanism for driving the valve needle to move is not needed, the integral structure of the valve seat is simplified, and the cost is saved. When the water is produced by the water purifier, the valve needle 20 is pushed to move to open the waste water hole 15 under the action of water pressure in the water diversion cavity 122; when the water purifier does not produce water or the water diversion cavity 122 is switched, the water pressure in the water diversion cavity 122 disappears, the valve needle 20 is pushed to move to jack the scale in the waste water hole and close the waste water hole through the reset elastic force action of the elastic part 71, and the waste water hole is more effectively prevented from being blocked. Wherein, the purifier does not make water can indicate that the purifier shuts down and awaits the opportune moment.

In this embodiment, the elastic member is a spring, which is convenient to use and low in cost. As an alternative, the spring is a spring cylinder, in which case no mounting part can be provided, and the valve needle is directly connected to the spring cylinder.

In this embodiment, the adjusting member is a movable member movably disposed on the valve body 10, and the movable member has a communication structure for communicating the water inlet chamber 121 and the at least one water diversion chamber 122. The movable piece moves, the communicating structure communicates the water inlet cavity 121 and the water dividing cavity 122, the valve needle corresponding to the water dividing cavity 122 is pulled out from the corresponding waste water hole 15, the waste water hole 15 is opened, and waste water sequentially passes through the water inlet cavity 121, the water dividing cavity 122 and the waste water hole 15 and enters the water outlet cavity 13, so that waste water is discharged. The water diversion cavity is switched through the movement of the movable part, so that different wastewater proportions can be realized. As an alternative embodiment, the adjusting member is a multi-way joint, the multi-way joint has one inlet channel and a plurality of outlet channels communicated with the inlet channel, a movable member is arranged in the multi-way joint, and the one inlet channel is communicated with at least one outlet channel by moving, or an opening and closing structure is arranged at each outlet channel to open the outlet channel by the opening and closing structure.

In the present embodiment, as shown in fig. 2 and 5, the movable member is the rotating disc 41, a plurality of water diversion cavities 122 are arranged around the center of the rotating disc 41, and the water inlet cavity is communicated with at least one water diversion cavity 122 through the rotation communication structure of the rotating disc 41. As an alternative embodiment, the movable member is a movable plate, and the plurality of water diversion chambers 122 are sequentially arranged along the moving direction of the movable plate.

In this embodiment, as shown in fig. 3, the water diversion cavity 122 is located outside the water outlet cavity 13, the water inlet cavity 121 is located inside the water outlet cavity 13, at this time, the water inlet cavity 121 is a cylindrical cavity, and the water outlet cavity 13 is an annular cavity, so that the arrangement is simpler, and the structure of the valve body is simplified.

In the present embodiment, as shown in fig. 1 and 2, the waste water valve further includes a valve core 42 fixed on the valve body 10, the valve core 42 is located between the valve body 10 and the rotary disk 41, the valve core 42 has a water inlet 421 and a plurality of water discharge ports 422, the water inlet 421 is correspondingly communicated with the water inlet chamber 121, and the plurality of water discharge ports 422 are correspondingly communicated with the plurality of water distribution chambers 122 one to one. The valve core 42 can simplify the structure of the rotary disc and the valve body and reduce the manufacturing difficulty. Both the spool 42 and the dial 41 are made of hard materials such as ceramics; the rotary disc 41 and the valve core 42 can rotate relatively, and due to the material, the mutual sealing function can be realized. Of course, the valve body 42 may not be provided.

In the present embodiment, as shown in fig. 7, the outer wall of the valve core 42 has a rotation stopping protrusion protruding outward, the valve body 10 is provided with a rotation stopping opening matched with the rotation stopping protrusion, and the rotation of the valve core 42 is limited by the matching of the rotation stopping protrusion and the rotation stopping opening.

In this embodiment, as shown in fig. 2, a gasket is disposed between the valve core 42 and the valve body 10, and the gasket is provided with through holes corresponding to the plurality of water diversion cavities, the flushing cavity, and the water inlet cavity.

In the present embodiment, as shown in fig. 6, the communication structure is a communication chamber 411. The communication chamber 411 is a communication groove provided on a side of the turntable facing the valve element. As an alternative embodiment, if the spool 42 is not provided, the communication chamber 411 is a U-shaped communication passage.

In this embodiment, the rotating disc 41 rotates by a certain angle, the communicating chamber 411 communicates the water inlet chamber 121 with one water diversion chamber 122, the rotating disc 41 rotates by a certain angle, and the communicating chamber 411 communicates the water inlet chamber 121 with the other water diversion chamber 122. As an alternative embodiment, the rotating disc 41 rotates for a certain angle, and the communication cavity 411 is communicated with the water inlet cavity 121 and one water diversion cavity 122; the rotating disc 41 rotates a certain angle again, and the communicating cavity 411 communicates the water inlet cavity 121 and the two water diversion cavities 122; the rotating disc 41 rotates a certain angle, and the communicating chamber 411 communicates the water inlet chamber 121 and the three water diversion chambers 122.

In the present embodiment, as shown in fig. 8, the outer diameters of the plurality of needles 20 are different, and at this time, the diameters of the waste water holes 15 are also different, that is, the flow areas of the plurality of waste water holes 15 are different, the water quality grades corresponding to the respective needles are different, and when the water quality is classified into a better, standard and worse, the water quality grades are sequentially I-grade, II-grade and III-grade, the needle 20 having the smallest outer diameter corresponds to the lowest grade of the detected water quality, and the needle having the largest outer diameter corresponds to the highest grade of the detected water quality. Every time the turntable rotates a certain angle, the turntable corresponds to different water diversion cavities and further corresponds to waste water holes and valve needles 20 with different sizes, so that the waste water ratio is adjusted, and the number of the valve needles can be reduced. As an alternative embodiment, the outer diameters of the plurality of valve needles 20 are the same, and the number of valve needles 20 corresponding to the plurality of water-dividing chambers 122 is different, for example, a first water-dividing chamber corresponds to one valve needle and one waste water hole, a second water-dividing chamber corresponds to two valve needles and two waste water holes, and a third water-dividing chamber corresponds to three valve needles and three waste water holes.

Specifically, the number of the waste water holes 15 and the valve needle 20 is 3, when the water quality is better, one waste water hole with the smallest flow area is selected to be opened, and the other two waste water holes are closed; when the water quality standard is met, a waste water hole in the middle of the overflowing area is selected to be opened, and the other two waste water holes are closed; when the water quality is poor, one waste water hole with the largest overflowing area is selected to be opened, and the other two waste water holes are closed. As an alternative, the number of valve needles and waste water openings is 2 or more than 4.

In the embodiment, the valve needle 20 is cylindrical, the valve needle 20 is coaxially disposed with the waste water hole 15, and the outer diameter of the valve needle 20 is slightly smaller than the diameter of the waste water hole 15, so that the valve needle can move in the waste water hole. Particularly, one end of the valve needle matched with the waste water hole is provided with a sharp end, so that the valve needle can eject scale in the waste water hole conveniently.

In the present embodiment, as shown in fig. 3 and 4, the valve body 10 further has a flushing chamber 19, and the communication structure is adapted to communicate the water inlet chamber 121 with the flushing chamber 19. When needs wash, rotate through the carousel and can make the connectivity communicate intake antrum 121 with wash chamber 19, be the large aperture play water this moment, realize the effect of washing. The valve core 42 is provided with a flushing port 423 corresponding to the flushing chamber 19, the water inlet 421 is located at the middle of the valve core 42, and the plurality of drain ports 422 and the flushing port 423 are arranged around the water inlet 421. When the number of the water distribution cavities 122 is three, the number of the water discharging ports 422 is also three, the three water discharging ports correspond to the three water distribution cavities 122 respectively, and the flushing ports 423 correspond to the flushing cavities.

In this embodiment, the valve body 10 further has a water outlet channel (not shown) communicated with the flushing cavity 19, the water outlet cavity 13 is communicated with the flushing cavity 19, and the water outlet channel is communicated with the flushing cavity 19 only, so that the structure is simpler. When the waste water is discharged, the waste water flows into the water outlet cavity 13, then flows into the flushing cavity 19, and finally flows out of the valve body through the water outlet flow channel. Of course, the water outlet chamber 13 may not be communicated with the flushing chamber 19, and the water outlet chamber 13 and the flushing chamber 19 are respectively communicated with the water outlet flow passage.

In this embodiment, as shown in fig. 1 and 2, the waste valve further includes a driving member 30, and the driving member 30 is connected to the movable member. The driving part 30 drives the rotating disc 41 to rotate, so that the control is more convenient, and the automatic adjustment of the wastewater ratio is realized. The driving part 30 is a motor, which is convenient to use and low in cost.

In this embodiment, the waste valve further comprises a fixing seat 72, a first end of the valve needle 20 is arranged in a pluggable manner with the waste hole 15, a second end of the valve needle 20 is fixed on the fixing seat 72, one end of the fixing seat 72 far away from the valve needle 20 is connected with the elastic member 71, and the water pressure in the water diversion cavity 122 acts on one end of the fixing seat 72 facing the valve needle 20. The fixing seat 72 is convenient for fixing the valve needle, ensures the valve needle to move along the axial direction of the waste water hole, and is also convenient for water pressure to act on the fixing seat 72.

In this embodiment, the valve body 10 further has a plurality of mounting cavities in one-to-one correspondence with the plurality of water diversion cavities 122, and the fixing seat 72 and the elastic member 71 corresponding to the water diversion cavities 122 are mounted in one mounting cavity. The mounting cavity facilitates the mounting of the fixing seat 72 and the elastic member 71. Be equipped with sealing washer 75 between the outer wall of fixing base 72 and the inner wall of installation cavity, sealing washer 75 plays sealed effect, prevents that waste water from flowing into the one side at elastic component place and influencing the needle and remove, guarantees that the needle normally removes. The outer wall of the fixing seat 72 is provided with an installation ring groove for installing the sealing ring 75, so that the sealing ring is convenient to install, and the sealing effect is good. The waste water valve further comprises a sealing cover 73, the sealing cover seals one end of the installation cavity far away from the water diversion cavity, one end of the elastic piece is sleeved on one end of the fixing seat, the other end of the elastic piece is abutted to the sealing cover, and the other end of the elastic piece is convenient to fix through the sealing cover. The seal cover is connected with the valve body through threads, and the threads are simple and convenient to connect.

In this embodiment, the waste valve further includes a valve seat 81, the valve seat 81 has a water inlet channel and a water outlet channel, one end of the water inlet channel is communicated with the water inlet chamber 121, and one end of the water outlet channel is communicated with the water outlet chamber 13. The valve seat 81 is arranged to facilitate connection with the water inlet pipe and the water outlet pipe. The water inlet channel and the water outlet channel are L-shaped. The inlet channel is connected to a water inlet connector 82 and the outlet channel is connected to a water outlet connector 83. Of course, the valve seat is not needed, the water inlet pipe is directly connected with the water inlet cavity, and the water outlet pipe is directly connected with the water outlet flow passage.

In this embodiment, the waste water valve further includes a gland 74, and the gland 74 presses the dial 41 and the spool 42 against the valve body 10. The gland 74 is sealed with the dial 41 and the valve body 42 by seal rings.

In this embodiment, the turntable 41 has a connecting hole connected to the motor shaft, the connecting hole is fixedly connected to the motor shaft, different drainage ports are selected according to the program control turntable, the motor drives the turntable to rotate, the communicating groove of the turntable is oblong, and the communicating groove covers the corresponding drainage port and the corresponding drainage port, so as to realize different wastewater proportions.

In this embodiment, as shown in fig. 4, the valve body 10 has a fluid chamber, a first separating cylinder 171 and a second separating cylinder 172 are arranged inside and outside the fluid chamber, a water outlet chamber is formed between the first separating cylinder 171 and the second separating cylinder 172, a water inlet chamber is formed inside the first separating cylinder 171, a plurality of partition plates 18 are arranged between the second separating cylinder 172 and the inner wall of the fluid chamber, and the partition plates 18 divide the chamber between the second separating cylinder 172 and the fluid chamber into a plurality of water distribution chambers and a washing chamber.

In the present embodiment, as shown in fig. 2, the valve body 10, the needle 20, the dial 41, the valve element 42, the fixing seat 72, the pressing cover 74, the closing cover 73, the sealing ring 75, and the spring form a valve body assembly, the needle 20 is fixed on the fixing seat 72 and forms a needle assembly, and the needle assembly is assembled with the spring and assembled inside the valve body

The utility model also provides a water purification unit, it includes: the above-mentioned waste water valve.

In an initial state, the valve needles 20 are respectively and independently arranged in the water diversion cavities 122 of the valve body 10 and are all inserted into the corresponding waste water holes 15, the diameters of the valve needles 20 are different, and the valve body 10 is also provided with a flushing cavity 19. A plurality of lower mouths of a river 422 are the mouth of a river under first mouth of a river, second respectively and the mouth of a river under the third, and a plurality of branch water cavities are first branch water cavity, second branch water cavity, third branch water cavity respectively, and the mouth of a river corresponds first branch water cavity under the first, and the mouth of a river corresponds the second branch water cavity under the second, and the mouth of a river corresponds the third branch water cavity under the third, washes the mouth of a river and corresponds and wash the chamber. Different waste water ratios are realized by different diameters of the valve needle.

When the water purifying equipment starts to work, according to the detected water quality condition, the motor drives the rotating disc 41 to rotate, the communication groove of the rotating disc 41 rotates along with the rotating disc 41, the corresponding first drainage port, second drainage port or third drainage port is selected (as shown in fig. 3 and 7), and the impact force of downward flowing wastewater pushes the spring to drive the valve needle 20 to be separated from the wastewater hole (as shown in fig. 2); the diameters of the valve needles 20 are arranged differently, and different wastewater proportions are realized through different water diversion cavities 122. Meanwhile, a 'flushing' function is selected according to a program, the motor drives the rotary disc 41 to rotate, the communicating groove of the rotary disc rotates along with the rotary disc, a flushing port can be selected, water flows out from a large aperture at the moment, and a 'flushing' effect is achieved.

When water is completely produced and enters a standby state, and after the water is not impacted by water flow, the valve needle is reset and is inserted into the waste water hole to clean dirt in the hole, so that the purpose of self-cleaning is achieved, and the waste water hole is prevented from being blocked by dirt.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the valve needles 20 with different diameters of the waste water valve are independently arranged in the water distribution cavities, the motor drives the rotary table 41 to rotate according to the detected water quality condition, different water distribution cavities 122 are selected, the impact force of downward flowing waste water pushes the spring to drive the valve needles 20 to be separated from the waste water holes 15, the diameters of the valve needles 20 are arranged in a differentiated mode, and different waste water flow rates are achieved through the different water distribution cavities 122; meanwhile, the 'flushing' function is selected according to the program, and the flushing cavity 19 can be selected by driving the turntable 41 to rotate through the motor, wherein water is discharged from the large-aperture water outlet. The valve needle can be used for completing self cleaning while realizing multi-gear adjustable wastewater ratio, preventing the wastewater hole from being blocked, realizing the flushing function, improving the product reliability and effectively solving the problem of the wastewater hole blockage of the wastewater electromagnetic valve.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (15)

1. A waste valve, comprising:

the valve body (10) is provided with a water inlet cavity (121), a plurality of water distribution cavities (122), a water outlet cavity (13) and a plurality of waste water holes (15), and one water distribution cavity (122) is communicated with the water outlet cavity (13) through at least one waste water hole (15);

the adjusting piece is arranged on the valve body (10) and is used for communicating the water inlet cavity (121) with at least one water distribution cavity (122);

a plurality of valve needles (20) movably disposed in the corresponding water diversion chambers (122) and provided in a pluggable manner with a plurality of waste water holes (15), the valve needles (20) having a closed state inserted into the waste water holes (15) and an open state pulled out from the waste water holes (15) to adjust a waste water ratio by switching the water diversion chambers (122) by the adjusting member.

2. A waste valve as claimed in claim 1, further comprising a resilient member (71) connected to the valve needle (20), the resilient member (71) being in a compressed state and the valve needle (20) being in the open state under the action of water pressure in the dividing chamber (122); under the action of the return elastic force of the elastic piece (71), the valve needle (20) is in the closing state.

3. A waste valve as claimed in claim 1, wherein the adjustment member is a movable member movably disposed on the valve body (10), the movable member having a communication structure for communicating the inlet chamber (121) with at least one of the diversion chambers (122).

4. A waste valve according to claim 3, wherein the movable member is a rotatable disc (41), and a plurality of said diversion chambers (122) are arranged around the center of the rotatable disc (41).

5. A waste valve according to claim 4, wherein the dividing chamber (122) is located outside the outlet chamber (13) and the inlet chamber (121) is located inside the outlet chamber (13).

6. The waste water valve as claimed in claim 4, further comprising a valve core (42) fixed on said valve body (10), said valve core (42) being located between said valve body (10) and said rotary disk (41), said valve core (42) having a water inlet (421) and a plurality of water discharge ports (422), said water inlet (421) communicating with said water inlet chamber (121) correspondingly, said plurality of water discharge ports (422) communicating with said plurality of water distribution chambers (122) correspondingly one to one.

7. A waste valve according to claim 3, wherein the communicating structure is a communicating chamber (411).

8. A waste valve as claimed in any of claims 1 to 7, wherein the outer diameters of a plurality of said valve needles (20) are different, or the outer diameters of a plurality of said valve needles (20) are the same, and the number of said valve needles (20) corresponding to a plurality of said water diversion chambers (122) is different.

9. A waste valve as claimed in any of claims 1 to 7, wherein the valve body (10) further has a flushing chamber (19), the adjustment member being adapted to communicate the inlet chamber (121) with the flushing chamber (19).

10. A waste valve according to claim 9, wherein the valve body (10) further has an outlet flow passage communicating with the flushing chamber (19), the outlet chamber (13) communicating with the flushing chamber (19).

11. A waste valve according to any of claims 3 to 7, further comprising a drive member (30), said drive member (30) being connected to said movable member.

12. A waste valve as claimed in claim 2, characterized in that the waste valve further comprises a fixing seat (72), a first end of the valve needle (20) is arranged in a pluggable manner with the waste hole (15), a second end of the valve needle (20) is fixed on the fixing seat (72), an end of the fixing seat (72) remote from the valve needle (20) is connected with the elastic member (71), and the water pressure in the water diversion chamber (122) acts on an end of the fixing seat (72) facing the valve needle (20).

13. A waste valve according to claim 12, wherein said valve body (10) further has a plurality of installation cavities communicating with a plurality of said water distribution cavities (122) in a one-to-one correspondence, and said fixing seat (72) and said elastic member (71) corresponding to said water distribution cavities (122) are installed in one of said installation cavities.

14. A waste valve as claimed in any of claims 1 to 7, further comprising a valve seat (81), the valve seat (81) having an inlet channel and an outlet channel, one end of the inlet channel communicating with the inlet chamber (121) and one end of the outlet channel communicating with the outlet chamber (13).

15. A water purification apparatus, comprising: a wastewater valve according to any of claims 1 to 14.

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