CN112555473A

CN112555473A - Waste water valve and purifier

Info

Publication number: CN112555473A
Application number: CN202011565993.9A
Authority: CN
Inventors: 谢武彬; 龙云钲; 方永生; 李林仕; 李亮; 刁文志
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-03-26

Abstract

The invention provides a waste water valve and a water purifying device, wherein the waste water valve comprises: the valve body is provided with a valve cavity communicated with the water inlet, and a drainage cavity communicated with the water outlet is arranged in the valve cavity; the throttling hole is arranged on the wall of the drainage cavity and communicated with the drainage cavity and the valve cavity; the dredging structure is arranged in the valve cavity and comprises a dredging part, and the dredging structure is provided with a first state that the dredging part is inserted into the throttling hole and a second state that the dredging part is separated from the throttling hole; the biasing member has one end abutting against the cavity wall of the valve cavity and the other end abutting against the dredging structure, and applies a biasing force to the dredging structure to move towards the throttling hole; and the first sealing element is arranged on the dredging structure and covers the throttling hole when the dredging structure is in the first state. The invention can meet the requirement of the gap between the dredging part and the throttling hole, and can also prevent the waste water from being discharged through the gap between the dredging part and the throttling hole when the water purifier is washed by sealing the throttling hole through the first sealing element.

Description

Waste water valve and purifier

Technical Field

The invention relates to the technical field of valves, in particular to a waste water valve and a water purifying device.

Background

In the wastewater electromagnetic valve of the water purifier in the related art, some wastewater electromagnetic valves only have an orifice without a steel needle in the middle, wastewater flow calculation is directly carried out through the diameter of the orifice, some wastewater electromagnetic valves utilize the up-and-down movement of the steel needle to clean the orifice, and the diameter of a gap between the steel needle and the orifice or a through hole through which the steel needle moves up and down is used as wastewater flow calculation. However, in the case where the hardness of water is high, scale is deposited on both the surface of the orifice and the surface of the steel needle after the waste water valve is operated for a long time, resulting in clogging of the orifice or a reduction in the gap between the steel needle and the orifice.

Receive incrustation scale and steel needle and orifice need clearance fit's design demand, the orifice of design on the market is all great, and the steel needle just can normally move like this to reach the designing requirement with guaranteeing the waste water flow, waste water can effectively discharge, thereby prolong the life of RO membrane (reverse osmosis filter membrane promptly). However, due to the design, a gap exists between the steel needle and the throttling hole, and the problem that waste water in the filter flask is drained through the gap between the steel needle and the throttling hole exists, so that the water is cut off when pure water begins to be taken, and the user experience is influenced.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the waste water in the waste water valve in the prior art is easy to drain through the gap between the dredging needle and the throttling hole, thereby providing the waste water valve and the water purifying device which can prevent the waste water from draining through the gap between the dredging needle and the throttling hole.

The present invention provides a waste valve comprising:

the valve body is provided with a valve cavity communicated with the water inlet, and a drainage cavity communicated with the water outlet is arranged in the valve cavity;

the throttling hole is arranged on the wall of the drainage cavity and communicated with the drainage cavity and the valve cavity;

the dredging structure is arranged in the valve cavity and comprises a dredging part, and the dredging structure has a first state that the dredging part is inserted into the throttling hole and a second state that the dredging part is separated from the throttling hole;

the biasing member is abutted against the cavity wall of the valve cavity at one end and the dredging structure at the other end, and applies a biasing force to the dredging structure to move towards the throttling hole;

and the first sealing element is arranged on the dredging structure and covers the throttling hole when the dredging structure is in the first state.

The dredging structure comprises a dredging body, the dredging body is abutted to the biasing part, and the dredging part is arranged on the dredging body.

The dredging part is a needle body with one end inserted on the dredging body.

The outer diameter of the needle body is smaller than the aperture of the throttle hole.

The first sealing element is a sealing plug sleeved on the needle body, and the outer diameter of the sealing plug is larger than the aperture of the throttling hole.

The biasing member is a spring.

The throttling hole is arranged on the side wall of the drainage cavity, an opening is formed in the top of the drainage cavity, and the valve core of the waste water valve is arranged in the valve cavity and reciprocates in the valve cavity to open or close the opening.

The invention provides a waste water valve, which further comprises a first chamber and a second chamber which are arranged in the valve cavity, wherein the dredging structure and the biasing member are arranged in the second chamber; the first chamber is communicated with the water inlet, a water outlet communicated with the water outlet is formed in the side wall of the water drainage chamber, and a circulating port is formed in the top wall of the second chamber; the first chamber is communicated with the drain chamber through the opening, the drain chamber is communicated with the second chamber through the throttle hole, and the first chamber is communicated with the second chamber through the circulation port.

The waste water valve further comprises an end cover which is connected to the valve body and covers the port, and one end, far away from the throttle hole, of the biasing member abuts against the end cover.

The waste water valve provided by the invention further comprises a second sealing element sleeved on the dredging body, and the second sealing element is in sealing contact with the cavity wall of the second chamber.

The dredging body is provided with an annular groove, and the second sealing element is a sealing ring embedded in the annular groove.

The invention also provides a water purifying device which comprises the waste water valve.

The water purifying device is a water purifier.

The technical scheme of the invention has the following effects:

1. the invention provides a waste water valve, comprising: the valve body is provided with a valve cavity communicated with the water inlet, and a drainage cavity communicated with the water outlet is arranged in the valve cavity; the throttling hole is arranged on the wall of the drainage cavity and communicated with the drainage cavity and the valve cavity; the dredging structure is arranged in the valve cavity and comprises a dredging part, and the dredging structure has a first state that the dredging part is inserted into the throttling hole and a second state that the dredging part is separated from the throttling hole; the biasing member is abutted against the cavity wall of the valve cavity at one end and the dredging structure at the other end, and applies a biasing force to the dredging structure to move towards the throttling hole; and the first sealing element is arranged on the dredging structure and covers the throttling hole when the dredging structure is in the first state. By arranging the first sealing element on the dredging structure, the first sealing element covers the throttling hole when the dredging structure is in the first state, so that the requirement of a gap between the dredging part and the throttling hole can be met, the throttling hole can be covered by the first sealing element, waste water is prevented from being discharged through the gap between the dredging part and the throttling hole when the water purifier is washed, on one hand, the phenomenon of flow interruption is avoided when pure water begins to take water, and the user experience is improved; on the other hand, the first sealing element can prevent water from continuously flowing away from the gap between the dredging part and the throttling hole, and even if a water inlet electromagnetic valve is not arranged in a filtering system of the water purifier, the situation that the water entering from the water inlet is lost can not occur, so that the water inlet electromagnetic valve does not need to be arranged for the water purifier using the waste water valve provided by the invention, so that the parts of the water purifier can be saved, and the cost is reduced.

2. The waste water valve provided by the invention further comprises a second sealing element sleeved on the dredging body, and the second sealing element is in sealing contact with the cavity wall of the second chamber. Therefore, water entering the second chamber can be prevented from being discharged through the connecting gap between the end cover and the valve body, and water leakage of the valve body is caused.

3. According to the waste water valve provided by the invention, the dredging body is provided with the annular groove, and the second sealing element is the sealing ring embedded in the annular groove. Thus, the installation of the second sealing element can be realized, and the installation can be stable.

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 cross-sectional view of a waste valve provided in a first embodiment of the present invention with the needle away from the orifice;

FIG. 2 is a schematic cross-sectional view of the waste valve of FIG. 1 with the needle inserted in the orifice;

FIG. 3 is a perspective view of a portion of the waste valve of FIG. 1;

FIG. 4 is a schematic view of the unclogging structure in the waste valve of FIG. 1 with the first and second seals installed;

fig. 5 is a perspective view of the dredging body in the dredging structure shown in fig. 4;

FIG. 6 is a schematic cross-sectional view of an alternative connection of the end cap to the valve body of the waste valve of FIG. 2;

description of reference numerals:

1-valve body, 11-water inlet, 12-valve cavity, 13-water outlet, 14-water discharge cavity, 141-opening, 142-water outlet, 2-throttling hole, 3-biasing part, 4-first sealing element, 51-dredging body, 511-annular groove, 52-needle body, 6-valve core, 71-first chamber, 72-second chamber, 721-circulation port, 722-port, 8-end cover and 9-second sealing element.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, 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 addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 6, the present embodiment provides a waste water valve including a valve body 1, an orifice 2, a dredging structure, a biasing member 3, and a first sealing member 4.

The valve body 1 is provided with a valve cavity 12 communicated with the water inlet 11, and a drainage cavity 14 communicated with the water outlet 13 is arranged in the valve cavity 12.

The orifice 2 is provided on the wall of the drain chamber 14 and communicates the drain chamber 14 with the valve chamber 12.

The dredging structure is provided in the valve chamber 12 and includes a dredging portion, the dredging structure having a first state in which the dredging portion is inserted in the orifice 2 and a second state in which the dredging portion is separated from the orifice 2.

The biasing member 3 is urged against the wall of the valve chamber 12 at one end and against the flow unblocking structure at the other end, and applies a biasing force to the flow unblocking structure to move toward the orifice 2.

A first seal 4 is provided on the dredging arrangement and covers the throttle bore 2 when the dredging arrangement is in the first state.

By arranging the first sealing element 4 on the dredging structure, the first sealing element 4 covers the throttling hole 2 when the dredging structure is in the first state, so that the requirement of a gap between the dredging part and the throttling hole 2 can be met, and the throttling hole 2 can be covered by the first sealing element 4, so that waste water is prevented from being discharged through the gap between the dredging part and the throttling hole 2 when the water purifier is washed, the phenomenon of flow interruption is avoided when pure water begins to take water, and the user experience is improved; on the other hand, because first sealing member 4 can prevent that water constantly from flowing away from the clearance between dredging parts and orifice 2, even do not set up into water solenoid valve in the filtration system of purifier, also can not have the condition that the water inlet got into loses, so to the purifier who uses the waste water valve that this embodiment provided, can need not to set up into water solenoid valve again to purifier's part can be saved, reduce cost.

The specific structure form of the dredging structure is not limited, in this embodiment, the dredging structure includes a dredging body 51, the dredging body 51 abuts against the biasing member 3, and the dredging portion is provided on the dredging body 51.

The dredging part in the embodiment is a needle body 52 with one end inserted in the dredging body 51, and the outer diameter of the needle body 52 is smaller than the aperture of the throttling hole 2.

The specific structure of the first sealing element 4 can be various, and in this embodiment, the first sealing element 4 is a sealing plug sleeved on the needle body 52, and the outer diameter of the sealing plug is larger than the diameter of the throttle hole 2. This effectively seals the orifice 2. In particular, the first seal 4 is an elastic sealing plug. As an alternative embodiment, the first sealing element 4 may also be arranged on the dredging body 51.

The specific structural form of the biasing member 3 is not limited, and the biasing member 3 in this embodiment is a spring. As an alternative embodiment, the spring may be replaced with an elastic body such as rubber.

In the present embodiment, the orifice 2 is provided on the side wall of the drain chamber 14, the opening 141 is provided at the top of the drain chamber 14, and the spool 6 of the waste water valve is provided in the valve chamber 12 and reciprocates in the valve chamber 12 to open or close the opening 141. Specifically, the valve body 1 is provided with an electromagnetic coil, a return spring is arranged between the valve core 6 and the top of the valve cavity 12, and when the electromagnetic coil is electrified, the valve core 6 moves upwards to open the opening 141 and compress the return spring; when the solenoid is not energized, the return spring pushes the return spring to move downward, closing the opening 141.

The waste valve provided in this embodiment further comprises a first chamber 71 and a second chamber 72 disposed in the valve chamber 12, the unblocking means and the biasing member 3 being disposed in the second chamber 72; the first chamber 71 is communicated with the water inlet 11, the side wall of the drainage cavity 14 is provided with a drainage port 142 communicated with the water outlet 13, and the top wall of the second chamber 72 is provided with a circulation port 721; the first chamber 71 communicates with the drain chamber 14 through the opening 141, the drain chamber 14 communicates with the second chamber 72 through the orifice 2, and the first chamber 71 communicates with the second chamber 72 through the flow port 721.

The end of the second chamber 72 remote from the orifice 2 is provided with a port 722 and the waste valve further comprises an end cap 8 attached to the valve body 1 and covering the port 722, the end of the biasing member 3 remote from the orifice 2 being against the end cap 8. The specific connection manner of the end cap 8 and the valve body 1 is not limited, and for example, the connection manner may be a threaded connection as shown in fig. 1 and 2, or an ultrasonic welding as shown in fig. 6.

In order to prevent the water entering the second chamber 72 from being discharged through the connecting gap between the end cover 8 and the valve body 1, and thus causing the valve body 1 to leak water, the waste water valve provided by this embodiment further includes a second sealing member 9 sleeved on the dredging body 51, and the second sealing member 9 is in sealing contact with the wall of the second chamber 72.

The specific arrangement of the second sealing element 9 on the dredging body 51 can be various, in this embodiment, an annular groove 511 is provided on the dredging body 51, and the second sealing element 9 is a sealing ring embedded in the annular groove 511. This allows both the mounting of the second seal 9 and a stable mounting. The specific number of the annular groove 511 and the second seal 9 is not limited as long as the annular groove 511 and the second seal 9 are provided in one-to-one correspondence. For example, it is possible that the annular groove 511 and the second seal 9 have one each; it is also possible to have two annular grooves 511 and two second seals 9 each.

The embodiment also provides a water purifier, including last waste water valve. As an alternative embodiment, the water purifier may be replaced by another water purifier.

When the water purifier normally produces water, as shown in fig. 1, the electromagnetic coil is not electrified, the valve core 6 moves downwards under the action of the elastic force of the return spring to close the opening 141 of the water discharge cavity 14, wastewater enters the first cavity 71 from the water inlet 11 and then enters the second cavity 72 through the flow port 721, the pressure of the second cavity 72 is over 0.5MPa, the pressure pushes the dredging structure to move in the direction away from the orifice 2 against the elastic force of the biasing member 3, the needle body 52 is separated from the orifice 2, the second cavity 72 is communicated with the water discharge cavity 14 through the orifice 2, and water entering the second cavity 72 enters the water discharge cavity 14 through the orifice 2, flows to the water outlet 13 through the water outlet 142 and is finally discharged through the water outlet 13.

When the water purifier is used for flushing, as shown in fig. 2, the electromagnetic valve is electrified to drive the valve core 6 to move upwards, the opening 141 is opened, wastewater enters the first chamber 71 from the water inlet 11, then directly enters the drainage cavity 14 through the opening 141 and is discharged from the water outlet 13 through the drainage port 142, the pressure in the second chamber 72 is relieved, the dredging structure moves towards the direction close to the throttling hole 2 under the action of the elastic force of the biasing member 3, the needle body 52 enters the throttling hole 2, and the first sealing member 4 covers and seals the throttling hole 2, so that the dynamic sealing of the throttling hole 2 is realized through the first sealing member 4 while the dredging of the throttling hole 2 by the needle body 52 is realized.

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 of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. A waste valve, comprising:

the valve body (1) is provided with a valve cavity (12) communicated with the water inlet (11), and a drainage cavity (14) communicated with the water outlet (13) is arranged in the valve cavity (12);

the throttling hole (2) is arranged on the wall of the drainage cavity (14) and communicated with the drainage cavity (14) and the valve cavity (12);

the dredging structure is arranged in the valve cavity (12) and comprises a dredging part, and the dredging structure has a first state that the dredging part is inserted into the throttling hole (2) and a second state that the dredging part is separated from the throttling hole (2);

the biasing part (3) is abutted against the wall of the valve cavity (12) at one end and the dredging structure at the other end, and applies a biasing force to the dredging structure to move towards the throttling hole (2);

and the first sealing element (4) is arranged on the dredging structure and covers the throttling hole (2) when the dredging structure is in the first state.

2. A waste valve as claimed in claim 1, wherein the unblocking means comprises an unblocking body (51), the unblocking body (51) abuts against the biasing member (3), and the unblocking portion is provided on the unblocking body (51).

3. A waste valve as claimed in claim 2, wherein said dredging portion is a needle (52) having one end inserted on said dredging body (51).

4. A waste valve according to claim 3, wherein the outer diameter of the needle (52) is smaller than the bore diameter of the throttle bore (2).

5. A waste valve according to claim 3, wherein the first sealing member (4) is a sealing plug fitted over the needle body (52) and having an outer diameter larger than the diameter of the orifice (2).

6. A waste valve according to claim 1, wherein the biasing member (3) is a spring.

7. A waste valve according to any of claims 1-6, characterized in that the throttle hole (2) is provided on the side wall of the drain chamber (14), the top of the drain chamber (14) is provided with an opening (141), and the spool (6) of the waste valve is provided in the valve chamber (12) and reciprocates in the valve chamber (12) to open or close the opening (141).

8. A waste valve as claimed in claim 7, further comprising a first chamber (71) and a second chamber (72) disposed within the valve chamber (12), the deoccluding structure and the biasing member (3) being disposed in the second chamber (72); the first chamber (71) is communicated with the water inlet (11), a water outlet (142) communicated with the water outlet (13) is arranged on the side wall of the water discharge cavity (14), and a circulating port (721) is arranged on the top wall of the second chamber (72); the first chamber (71) communicates with the drain chamber (14) through the opening (141), the drain chamber (14) communicates with the second chamber (72) through the orifice (2), and the first chamber (71) communicates with the second chamber (72) through the communication port (721).

9. A waste valve according to claim 8, wherein the end of the second chamber (72) remote from the restriction orifice (2) is provided with a port (722), the waste valve further comprising an end cap (8) attached to the valve body (1) and covering the port (722), the end of the biasing member (3) remote from the restriction orifice (2) abutting the end cap (8).

10. A waste valve as claimed in claim 9, further comprising a second seal (9) fitted over the deoccluding body (51), the second seal (9) being in sealing contact with a wall of the second chamber (72).

11. A waste valve according to claim 10, wherein the dredging body (51) is provided with an annular groove (511), and the second sealing member (9) is a sealing ring embedded in the annular groove (511).

12. A water purification apparatus comprising a waste valve as claimed in any one of claims 1 to 11.

13. The water purification apparatus of claim 12, wherein the water purification apparatus is a water purifier.