CN109208243B - Be applied to washing machine's novel drain valve and washing machine - Google Patents
Be applied to washing machine's novel drain valve and washing machine Download PDFInfo
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- CN109208243B CN109208243B CN201710532488.6A CN201710532488A CN109208243B CN 109208243 B CN109208243 B CN 109208243B CN 201710532488 A CN201710532488 A CN 201710532488A CN 109208243 B CN109208243 B CN 109208243B
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- 238000005406 washing Methods 0.000 title claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000004140 cleaning Methods 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000018044 dehydration Effects 0.000 abstract description 10
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 239000003657 drainage water Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A novel drain valve applied to a washing machine and the washing machine are provided, wherein the drain valve comprises a first cavity and a second cavity which are communicated, a water inlet is formed in the first cavity, a water outlet is formed in the second cavity, and a valve body is installed in the second cavity; one side of the first cavity is communicated with the second cavity through the filtering structure, and the bottom of the first cavity is lower than the filtering structure, so that the cleaning balls and a certain amount of accumulated water between the inner barrel and the outer barrel of the washing machine are reserved at the bottom of the first cavity. Through setting up first cavity bottom to be less than filtration for washing machine drainage is accomplished, still store up a certain amount of ponding behind the ball of collecting in the first cavity, make the ball of cleaning at least part submergence in ponding, make the ball of cleaning produce the resistance because of ponding, when avoiding the follow-up dehydration procedure of washing machine, interior bucket high-speed rotation makes outer bucket form the negative pressure, the ball of cleaning inhales the emergence of the condition in the outer bucket because of the negative pressure, and then the ball of cleaning flows in outer bucket again and influences washing machine normal work when having avoided washing machine to carry out the dehydration procedure.
Description
Technical Field
The invention belongs to a washing machine in the technical field of clothes treatment devices, particularly relates to a washing machine for cleaning the inner and outer barrel walls of the washing machine by using cleaning balls, and particularly relates to a novel drain valve which is applied to the washing machine and can effectively collect the cleaning balls.
Background
With the increasing living standard of people, the washing machine has become one of the necessary household appliances in the family, and most people use the washing machine as a main tool for washing clothes. When the washing machine cleans clothes, a plurality of dirt is deposited in the washing machine, particularly, the more the dirt is accumulated on the outer wall of the inner barrel and the inner wall of the outer barrel along with time, so that secondary pollution is generated when the clothes are washed, and the use feeling of a user is seriously influenced. Although the washing technology is developed rapidly and makes great progress, no better solution for removing the deposited dirt from the outer drum of the washing machine is available up to now.
Some prior patent applications provide solutions to this phenomenon, for example, application No. 201010160548.4, which is a chinese patent named washing machine and method using flexible particles to clean the space between the inner and outer tubs of the washing machine, and this invention discloses a washing machine and method using flexible particles to clean the space between the inner and outer tubs of the washing machine, the washing machine uses flexible particles placed between the inner and outer tubs of the washing machine, and the cleaning between the inner and outer tubs of the washing machine is realized by driving the flexible particles to collide and rub the inner and outer tub walls of the washing machine through the regular flow of water during the washing process of the laundry. The flexible granular material can be added with sterilization and disinfection substances, and clothes and the washing machine can be sterilized and disinfected while the space between the inner barrel and the outer barrel is cleaned. The invention can be selectively implemented according to the requirements of users, and has simple method and easy popularization.
Although the invention has better cleaning effect, the cleaning balls are generally collected in the cavity below the outer barrel of the washing machine, and the washing machine generally correspondingly executes a dewatering program after executing a washing program, so that the inner barrel of the washing machine rotates at high speed, negative pressure is generated in the outer barrel, the cleaning balls collected in the cavity below the outer barrel roll into the outer barrel under the influence of the negative pressure, and the high-speed rotation of the inner barrel in the dewatering process of the washing machine is influenced.
In view of the above, the present invention is provided to solve the technical problem that the cleaning balls do not flow back into the outer tub when the inner tub rotates at a high speed in the dehydration process of the existing washing machine, and the cleaning balls are prevented from affecting the normal dehydration process of the washing machine, and particularly, the present invention is provided to solve the technical problem that the cleaning balls are prevented from flowing back into the outer tub under the influence of negative pressure in the high-speed dehydration process of the washing machine.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel drain valve applied to a washing machine, which can realize the dual functions of draining water of the washing machine and collecting cleaning balls in an inner barrel and an outer barrel, and simultaneously, achieves the aim of effectively adsorbing the collected cleaning balls so as to avoid the collected cleaning balls from flowing back into the outer barrel due to overlarge negative pressure during the dehydration process of the washing machine.
In order to solve the technical problems and achieve the purpose, the invention adopts the following basic concept:
a novel drain valve applied to a washing machine comprises a first chamber and a second chamber which are communicated, wherein the first chamber is provided with a water inlet, the second chamber is provided with a water outlet, and a valve body is arranged in the second chamber; one side of the first cavity is communicated with the second cavity through the filtering structure, and the bottom of the first cavity is lower than the filtering structure, so that the cleaning balls and a certain amount of accumulated water between the inner barrel and the outer barrel of the washing machine are reserved at the bottom of the first cavity.
Furthermore, an opening communicated with the second chamber is formed in the upper portion of one side of the first chamber, a filtering structure for preventing the cleaning balls from flowing out is arranged at the opening, the water inlet is higher than the top of the opening, and the bottom of the first chamber is lower than the bottom of the opening;
preferably, the water inlet is arranged at the top of the first chamber;
it is further preferred that the difference in height between the bottom of the first chamber and the bottom of the opening is greater than the diameter of the cleaning ball.
Furthermore, the bottom of the first cavity comprises a horizontal part which is lower than the opening by a certain height, so that a certain amount of accumulated water for adsorbing the cleaning balls is reserved in the first cavity;
preferably, the bottom of the first chamber further includes a curved surface gradually inclined upward from the horizontal portion toward the opening to guide water in the first chamber to flow out from the opening.
Furthermore, the filtering structure comprises blocking ribs which are arranged in a grid shape, at least one end of each blocking rib is fixedly connected with the inner periphery of the opening, and the gap between every two adjacent blocking ribs is smaller than the diameter of the cleaning ball.
Further, the valve body arranged in the second chamber is parallel to or coaxially arranged with the axis of the filtering structure, and the water outlet is vertical to the axis of the valve body and extends downwards;
preferably, the valve body is a two-position three-way valve, the second chamber is further provided with a water return port, and the water return port is perpendicular to the axis of the valve body and horizontally extends towards one side so as to control the valve body to enable the water inlet to be correspondingly communicated with the water outlet or the water return port respectively.
Furthermore, the water inlet arranged on the first chamber is arranged close to the filtering structure, and at least part of the horizontal part arranged at the bottom of the first chamber is arranged in a staggered way with the water inlet.
Further, the bottom of the first chamber comprises a curved surface close to one side of the filtering structure and a horizontal part far away from one side of the filtering structure, and the water inlet is formed in the top of the first chamber vertically above the curved surface;
it is further preferred that the water inlet axis is perpendicular to the filter structure axis.
Furthermore, the first chamber is provided with a water outlet which is arranged at the lowest part of the first chamber and is communicated with the outside of the washing machine in an openable way through a pipeline provided with a control device;
preferably, the water outlet is arranged at the joint of the horizontal part and the curved surface at the bottom of the first chamber.
The invention also aims to provide a washing machine, which comprises an inner barrel and an outer barrel, wherein the bottom of the outer barrel is provided with a water outlet which is communicated with the outside through a drain pipe; the drain pipe is provided with any one of the novel drain valves, the water inlet of the drain valve is communicated with the water outlet of the outer barrel, and the water outlet of the drain valve is communicated with the outside.
Furthermore, a plurality of cleaning balls for cleaning the inner and outer barrel walls are arranged between the inner and outer barrels, each cleaning ball flows into the first cavity of the drain valve along with the drainage water flow of the washing machine, is blocked by the filtering structure and is collected to the bottom of the first cavity, and a certain amount of accumulated water is accumulated in the first cavity lower than the filtering structure.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the bottom of the first cavity is lower than the filtering structure, so that a certain amount of accumulated water is still accumulated after the cleaning balls are collected in the first cavity after the washing machine finishes draining, the cleaning balls are at least partially immersed in the accumulated water, and the cleaning balls receive the resistance of the accumulated water and reduce the probability that the accumulated water flows out of the first cavity upwards; when the washing machine subsequently executes a dehydration program, the inner barrel rotates at high speed to form negative pressure in the outer barrel, so that the cleaning ball cannot be sucked into the outer barrel again by the negative pressure due to the resistance of accumulated water, and the condition that the cleaning ball flows into the outer barrel again to cause loss to the normal operation of the washing machine when the washing machine executes the dehydration program is effectively avoided.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural view of a washing machine in a first embodiment of the present invention;
fig. 2 is a sectional structural schematic view of the water discharge valve in the first embodiment of the invention;
fig. 3 is a schematic view showing the structure of a drain valve in the embodiment of the present invention;
FIG. 4 is a schematic structural view of a washing machine in a second embodiment of the present invention;
fig. 5 is a sectional view schematically showing the structure of the water discharge valve in the second embodiment of the present invention.
In the figure: 100. an outer tub; 200. an inner barrel; 300. a drain valve; 400. a drain pipe; 500. a second drain pipe; 600. cleaning balls; 1. a water inlet; 2. a water outlet; 3. a first chamber; 4. a second chamber; 5. a filter structure; 6. blocking ribs; 7. an opening; 8. a curved surface; 9. a horizontal portion; 10. a control valve; 11. a water return port.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 to 3, the present embodiment describes a washing machine, which includes an inner tub 200 and an outer tub 100, wherein a water outlet is formed at the bottom of the outer tub 100, and the water outlet is communicated with the outside through a drain pipe 400; the drain pipe 400 is provided with a novel drain valve 300, a water inlet 1 of the drain valve 300 is communicated with a water outlet of the outer tub 100, and a water outlet 2 of the drain valve 300 is communicated with the outside through the drain pipe 400. A plurality of cleaning balls 600 are arranged between the inner tub 200 and the outer tub 100 of the washing machine, so that when the washing machine executes a washing program or independently executes a cleaning program, the cleaning balls 600 move along with water flow to perform friction cleaning on the outer wall of the inner tub and the inner wall of the outer tub of the washing machine, and the purpose of self-cleaning between the inner tub and the outer tub of the washing machine by the cleaning balls is realized.
In this embodiment, when the washing machine performs the washing procedure or the cleaning procedure, the washing water in the outer tub 100 of the washing machine flows out from the water outlet at the bottom of the outer tub 100, and flows out of the washing machine through the drain valve 300 and the drain pipe 400; in the process of the washing water flowing out, the cleaning ball 600 flows out of the outer tub 100 along with the outer water discharge, and after the cleaning ball 600 flows into the drain valve 300, the cleaning ball is collected into the drain valve 300 under the blocking effect of the filtering structure arranged in the drain valve 300, so that the cleaning ball flows into the space between the inner tub 200 and the outer tub 100 along with the water inflow in the next washing, and the outer wall of the inner tub 200 and the inner wall of the outer tub 100 are correspondingly self-cleaned.
The embodiment also discloses a novel drain valve applied to the washing machine, wherein the drain valve 300 comprises a first chamber 3 and a second chamber 4 which are communicated, the first chamber 3 is provided with a water inlet 1, the second chamber 4 is provided with a water outlet 2, and a valve body is arranged in the second chamber 4; one side of the first chamber 3 is communicated with the second chamber 4 through the filtering structure 5, the bottom of the first chamber 3 is lower than the filtering structure 5, and the cleaning ball 600 and a certain amount of accumulated water between the inner barrel and the outer barrel are left at the bottom of the first chamber 3 after the washing machine executes the drainage program.
Through setting up first cavity bottom to be less than filtration for still store up a certain amount of ponding after collecting the cleaning ball in the first cavity after washing machine drainage is accomplished, make cleaning ball at least part submergence in ponding, in order when the follow-up dewatering procedure of carrying out of washing machine, interior bucket high-speed rotation makes outer bucket form the negative pressure, the cleaning ball can not be inhaled the emergence of the condition in the outer bucket once more by the negative pressure because of the resistance of ponding, and then avoided the emergence of the condition in the outer bucket of cleaning ball inflow once more when washing machine carries out the dewatering procedure.
In the embodiment, the upper part of one side of the first chamber 3 is provided with an opening 7 communicated with the second chamber 4, the opening 7 is provided with a filtering structure 5 for preventing the cleaning balls from flowing out, the water inlet 1 is higher than the top of the opening 7, and the bottom of the first chamber 3 is lower than the bottom of the opening 7; preferably, the water inlet 1 is arranged at the top of the first chamber 3, so that the drainage water flow of the washing machine flows into the first chamber 3 from top to bottom, then flows horizontally to the second chamber 4 through the opening 7, finally flows out of the drainage valve 300 from the water outlet 2 downwards, and flows out of the washing machine through the drainage pipe 400, so that the whole drainage process is smooth, the opening 7 communicated with the first chamber 3 and the second chamber 4 is horizontally bent to reduce the flow rate of the drainage valve, and the situation that the cleaning ball 600 flows out of the drainage valve due to overlarge water pressure is avoided.
In this embodiment, the height difference between the bottom of the first chamber 3 and the bottom of the opening 7 is greater than the diameter of the cleaning ball 600, so that at least part of the cleaning ball 600 collected in the first chamber 3 is located in the accumulated water below the opening 7, and it is ensured that all the cleaning balls 600 are in contact with the accumulated water in the first chamber 3, thereby improving the adsorption force of the cleaning balls and avoiding the occurrence of the condition that the cleaning balls are sucked into the outer tub due to the high-speed rotation of the inner tub in the dewatering process of the washing machine.
In this embodiment, the bottom of the first chamber 3 includes a horizontal portion 9, and the horizontal portion 9 is lower than the opening 7 by a certain height, so that a certain amount of accumulated water for adsorbing the cleaning balls is retained in the first chamber 3; preferably, the bottom of the first chamber 3 further comprises a curved surface 5 gradually inclined upward from the horizontal portion 9 to the opening 7 to guide the water in the first chamber 3 to flow out from the opening 7. Through setting up first cavity bottom to the irregular curved surface of ascending slope gradually to the opening direction to guarantee to keep away from the horizontal part of opening part and to the collection efficiency of cleaning ball, the water that the guide got into first cavity again flows to second cavity direction, and then has realized the drainage efficiency of drain valve and the dual purpose of collecting the cleaning ball.
In this embodiment, the filtering structure 5 includes blocking ribs 6 arranged in a grid shape, and at least one end of each blocking rib 6 is fixedly connected with the inner periphery of the opening 7, so that the blocking rib 6 is fixedly connected with the drain valve 300; preferably, the rib 6 is integral with the valve 300. The clearance between adjacent fender muscle 6 is less than the diameter of cleaning ball 600 to when making the cleaning ball follow the washing machine drainage rivers through the opening, be stopped by the fender muscle and be detained in the first cavity, and follow the curved surface and flow down to the horizontal part, with the purpose that the cleaning ball was collected in the first cavity in the realization.
In this embodiment, the valve body disposed in the second chamber 4 is parallel to or coaxial with the axis of the filtering structure 5, and the water outlet 2 is perpendicular to the axis of the valve body and extends downward, so that the water flow in the second chamber 400 flows along the "L" direction rotating by 90 degrees clockwise, the flow rate of the water flow at the valve body of the second chamber is reduced, and the occurrence of damage to the valve body component due to excessive water pressure is avoided.
In this embodiment, the water inlet 1 formed in the first chamber 3 is disposed close to the filtering structure 5, and at least a portion of the horizontal portion 9 formed at the bottom of the first chamber 3 is disposed to intersect with the water inlet 1. Through setting up water inlet and horizontal part crisscross to make the rivers in the first chamber and the clean ball mutual interference who collects reduce, minimize the clean ball and be strikeed the emergence that produces the motion condition by rivers.
In this embodiment, the bottom of the first chamber 3 includes a curved surface 8 close to one side of the filtering structure 5 and a horizontal portion 9 far from one side of the filtering structure 5, and the water inlet 1 is arranged at the top of the first chamber 3 vertically above the curved surface 8; preferably, the axis of the water inlet 1 is perpendicular to the axis of the filtering structure 5, so that the water flow in the first chamber 3 flows along the direction of 'L' which rotates 90 degrees counterclockwise, so that the water flow directly flows through the first chamber 3, then horizontally bends and flows to the second chamber 4 from the opening 7, and the cleaning balls 600 are intercepted by the filtering structure 5 and then reversely flow to the horizontal part 9 along the curved surface 8 under the action of gravity, thereby achieving the purpose of collecting the cleaning balls in the first chamber; and because the horizontal part 9 is set up in keeping away from one side of opening 7, make the impact force of the rivers that collect clean ball 600 reduce, avoid the clean ball after collecting to be strikeed by the drainage rivers and flow back into the emergence of outer bucket condition once more.
Example two
As shown in fig. 4 and 5, the present embodiment is different from the first embodiment in that: the first chamber 3 of the drain valve 300 is provided with a drain port 12, the drain port 12 is arranged at the lowest position of the first chamber 3, the drain port 12 is communicated with the outside of the washing machine in an openable and closable manner through a second drain pipe 500 provided with a control valve 10, so that after the washing machine executes a dehydration program and when the drainage program is executed, the control valve 10 is opened to drain accumulated water remained in the first chamber 3 through the second drain pipe 500, and the situation that the accumulated water still remains in the inside of the washing machine after the washing machine stops working is avoided.
In this embodiment, the diameter of the second drain pipe 500 is smaller than the diameter of the cleaning ball 600, and/or a filtering structure for blocking the cleaning ball 600 from flowing out is disposed at the joint of the second drain pipe 500 and the first chamber 3, so as to avoid the occurrence of the situation that the cleaning ball flows out from the second drain pipe when the accumulated water in the first chamber is discharged outside.
In this embodiment, one end of the second drainage pipe 500 is communicated with the lowest end of the first chamber 3, and the other end is communicated with the drainage pipe 500; the second drainage pipe 500 is connected to the drainage pipe 400 and disposed downstream of the drainage pump 300, so that the water accumulated in the first chamber 3 passes through the second drainage pipe 500 and the drainage pipe 400 in sequence and then is discharged out of the washing machine.
In this embodiment, the control valve 10 disposed on the second drainage pipe 500 is an electric control valve, so that the electric control valve 10 is correspondingly closed after the washing machine executes the drainage program and the electric control valve 10 is correspondingly opened after the washing machine executes the dehydration program through user control or automatic trigger control, so as to realize corresponding on-off control of the second drainage pipe 500, and further, the purpose of controllably discharging and retaining the accumulated water in the first chamber 3 is achieved.
EXAMPLE III
As shown in fig. 3, the present embodiment is based on the first and second embodiments, and further has the following features: the second chamber 4 of the drain valve 300 is further provided with a water return port 11, the water return port 11 is perpendicular to the valve axis and horizontally extends to one side, and the water return port 11 is communicated with the water inlet of the outer tub 100 of the washing machine through a pipeline, so that the drain valve 300 integrates the function of the water return valve, water in the outer tub of the washing machine can flow out from the water outlet at the bottom and then flows out through the water return port of the drain valve and then flows back into the outer tub through the water inlet of the outer tub of the washing machine, the washing machine is enabled to have the function of washing water external circulation flow, and the purposes of improving the mobility of the washing water and enhancing the washing efficiency are achieved.
In this embodiment, the valve body 10 disposed on the drain valve 300 is a two-position three-way valve, and the second chamber 4 is further provided with a water return port 11 to control the water inlet 1 of the valve body to be correspondingly communicated with the water outlet 2 or the water return port 11, respectively, so as to achieve the dual function of controlling the water outlet of the outer tub of the washing machine to flow back into the outer tub 100 of the washing machine from the water return port 11 or to be discharged outside through the water outlet 2; meanwhile, the water outlet 2 and the water return port 11 are both arranged in the second chamber 4, so that the water outlet of the washing machine flows through the filtering structure to remove the thread scraps and then flows back or is discharged outside, and the condition that the cleaning ball 600 flows out of the washing machine is avoided.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A drain valve applied to a washing machine comprises a first cavity and a second cavity which are communicated, wherein the first cavity is provided with a water inlet, the second cavity is provided with a water outlet, and a valve body is arranged in the second cavity; the method is characterized in that: one side of the first cavity is communicated with the second cavity through a filtering structure, and the bottom of the first cavity is lower than the filtering structure, so that a cleaning ball and a certain amount of accumulated water between the inner barrel and the outer barrel of the washing machine are reserved at the bottom of the first cavity;
an opening communicated with the second chamber is formed in the upper part of one side of the first chamber, the bottom of the first chamber comprises a horizontal part, and the horizontal part is lower than the opening by a certain height, so that a certain amount of accumulated water for adsorbing the cleaning balls is reserved in the first chamber; the bottom of the first chamber also comprises a curved surface which gradually inclines upwards from the horizontal part to the opening so as to guide water in the first chamber to flow out from the opening;
the water inlet arranged on the first chamber is close to the filtering structure, at least part of the horizontal part arranged at the bottom of the first chamber is staggered with the water inlet, and the water inlet is arranged at the top of the first chamber vertically above the curved surface.
2. The drain valve of claim 1, wherein the opening is provided with a filter structure for preventing the cleaning ball from flowing out, the water inlet is higher than the top of the opening, and the bottom of the first chamber is lower than the bottom of the opening.
3. A drain valve for a washing machine according to claim 2, wherein the water inlet is provided at the top of the first chamber; the height difference between the bottom of the first chamber and the bottom of the opening is larger than the diameter of the cleaning ball.
4. A drain valve for a washing machine as claimed in any one of claims 2 to 3, wherein the filter structure comprises ribs arranged in a grid pattern, at least one end of each rib is fixedly connected to the inner periphery of the opening, and the gap between adjacent ribs is smaller than the diameter of the cleaning ball.
5. A drain valve for a washing machine as claimed in any one of claims 1 to 3, wherein the valve body is disposed within the second chamber parallel to or coaxial with the axis of the filter structure, and the outlet extends downwardly and perpendicularly to the axis of the valve body.
6. The drain valve of claim 5, wherein the valve body is a two-position three-way valve, and the second chamber further comprises a water return port, the water return port is perpendicular to the axis of the valve body and extends horizontally to one side, so as to control the valve body to communicate the water inlet with the water outlet or the water return port respectively.
7. A drain valve for a washing machine as claimed in any one of claims 1 to 3, wherein the inlet axis is perpendicular to the axis of the filter structure.
8. A drain valve for a washing machine as claimed in any one of claims 1 to 3 wherein the first chamber is provided with a drain port at the lowermost part of the first chamber, the drain port being in open and closed communication with the exterior of the washing machine via a conduit provided with a control means.
9. The drain valve of claim 8, wherein the drain opening is formed at a portion where the horizontal portion of the bottom of the first chamber is connected to the curved surface.
10. A washing machine comprises an inner barrel and an outer barrel, wherein the bottom of the outer barrel is provided with a water outlet which is communicated with the outside through a drain pipe; the method is characterized in that: the drain pipe is provided with the drain valve according to any one of claims 1 to 9, a water inlet of the drain valve is communicated with a water outlet of the outer barrel, and a water outlet of the drain valve is communicated with the outside.
11. A washing machine as claimed in claim 10 wherein a plurality of cleaning balls are provided between the inner and outer drums to clean the walls of the inner and outer drums, each cleaning ball flowing into the first chamber of the drain valve with the flow of water discharged from the washing machine, being blocked by the filter structure from collecting at the bottom of the first chamber, and accumulating a volume of water in the first chamber below the filter structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532488.6A CN109208243B (en) | 2017-07-03 | 2017-07-03 | Be applied to washing machine's novel drain valve and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532488.6A CN109208243B (en) | 2017-07-03 | 2017-07-03 | Be applied to washing machine's novel drain valve and washing machine |
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| CN109208243A CN109208243A (en) | 2019-01-15 |
| CN109208243B true CN109208243B (en) | 2021-09-07 |
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|---|---|---|---|---|
| US5511265A (en) * | 1994-12-13 | 1996-04-30 | Caputo; Ralph N. | Fabric cleaning aid and method thereof |
| JPH0966190A (en) * | 1995-06-20 | 1997-03-11 | Koji Kuchida | Washing ball and washing method using it |
| CN202492710U (en) * | 2011-12-29 | 2012-10-17 | 海尔集团公司 | Drainage assembly provided with filter screen and washing machine thereof |
| CN105200730B (en) * | 2014-06-11 | 2018-10-12 | 青岛海尔洗衣机有限公司 | A kind of drainer for washer and washing machine |
| CN204898345U (en) * | 2015-07-20 | 2015-12-23 | 宁波奇帅电器有限公司 | Washing machine's self -cleaning device |
| CN108085931B (en) * | 2016-11-23 | 2020-05-01 | 青岛胶南海尔洗衣机有限公司 | Washing-free washing machine's drain valve and washing machine |
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2017
- 2017-07-03 CN CN201710532488.6A patent/CN109208243B/en active Active
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| CN109208243A (en) | 2019-01-15 |
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Effective date of registration: 20210805 Address after: 266400 Haier Industrial Park, qianwangang Road, Jiaonan City, Qingdao City, Shandong Province Applicant after: QINGDAO JIAONAN HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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