CN113622160A - Washing machine precleaning structure and washing machine - Google Patents

Washing machine precleaning structure and washing machine Download PDF

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Publication number
CN113622160A
CN113622160A CN202010374576.XA CN202010374576A CN113622160A CN 113622160 A CN113622160 A CN 113622160A CN 202010374576 A CN202010374576 A CN 202010374576A CN 113622160 A CN113622160 A CN 113622160A
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CN
China
Prior art keywords
water
water tray
drainage
control frame
washing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010374576.XA
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Chinese (zh)
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CN113622160B (en
Inventor
柳双龙
于元元
王京
宋秀顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Haier Electric Co ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN202010374576.XA priority Critical patent/CN113622160B/en
Publication of CN113622160A publication Critical patent/CN113622160A/en
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Publication of CN113622160B publication Critical patent/CN113622160B/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/04Control of operations performed in washing machines or washer-dryers  non-electrically
    • D06F33/06Control of operations performed in washing machines or washer-dryers  non-electrically substantially mechanically
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/08Draining of washing liquids
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The invention discloses a washing machine precleaning structure and a washing machine, wherein the precleaning structure comprises: a water tray for holding washing water for pre-washing; the drainage control frame is arranged on the water tray in a sliding mode and used for controlling drainage of the water tray; the water tray is provided with a water outlet, and the water discharge control frame is provided with a plug capable of opening and closing the water outlet. The drainage control frame is arranged and used for controlling drainage of the water tray, and the drainage control frame slides relative to the water tray to block and open or close the drainage outlet, so that drainage control of washing water in the water tray is realized; the drainage control frame or the water tray can be pushed to realize the relative movement between the drainage control frame and the water tray, so that the drainage operation is simple and convenient to realize; and the drainage is controlled by a mechanical structure, so that the reliability of drainage control is increased, the condition that the drainage cannot be carried out when the power is off and the drainage valve is in fault is avoided, the circuit control of the drainage of the water tray is saved, and the structure is simplified.

Description

Washing machine precleaning structure and washing machine
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a structure for pre-cleaning local positions of necklines, cuffs and the like of clothes and a washing machine with the pre-cleaning structure.
Background
The prior washing machine has no way to fully clean local positions such as necklines, cuffs and the like of clothes in the washing process, particularly for clothes such as shirts and the like, the necklines, the cuffs and the like are generally higher in dirt degree than other positions, and a common user firstly pre-washes the local positions by a hand rubbing method, but the prior washing machine wastes time and labor and is annoying.
There are two main solutions to this problem, i.e. adding a brush or ultrasonic washing to the washing machine. The manner of adding a brush or the like to the washing machine cannot completely solve the problem of insufficient washing, and meanwhile, the clothes themselves are additionally damaged by abrasion and the like. Therefore, ultrasonic washing is often required to achieve the purpose.
Chinese patent No. 201310213909.0 discloses a washing machine with a multifunctional water inlet box, which comprises a washing barrel and a water inlet, wherein a water inlet box for dissolving and diluting additives and cleaning articles is arranged between the washing barrel and the water inlet, and an ultrasonic transducer is arranged at the bottom of the water inlet box; the water inlet box is provided with a water inlet connected with a washing water inlet, a first water outlet connected to the washing barrel for flowing out the solution after dissolving and diluting and a second water outlet connected to the drain pipe for flowing out the cleaning solution of the washing machine, and the first outlet and the second outlet are respectively provided with a pipeline control device for controlling the opening to be switched on and off. The multifunctional water inlet box integrates the functions of dissolving additives and cleaning articles, saves the time of going out when a user cleans articles such as glasses and jewelry, and increases the washing effect of the washing machine and the washing function of the washing machine. However, the pipeline control device in the invention comprises a siphon water drain pipe arranged at the first water outlet and a second electromagnetic valve arranged at the second water outlet and controlled by a washing machine master control board, namely, the water drain of the water inlet box is controlled by the second electromagnetic valve to realize water drain, a manual water drain structure is not arranged, and the situation that the washing water in the water inlet box cannot be removed occurs when the water drain valve is in failure.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
The invention provides a pre-cleaning structure of a washing machine, aiming at the problems in the prior art, and the pre-cleaning structure realizes the drainage of washing water in a water tray through the relative sliding between a drainage control frame and the water tray, realizes the drainage controlled by a mechanical structure and is beneficial to increasing the reliability.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a pre-washing structure of a washing machine, comprising:
a water tray for holding washing water for pre-washing;
the drainage control frame is arranged on the water tray in a sliding mode and used for controlling drainage of the water tray;
the water tray is provided with a water outlet, and the water discharge control frame is provided with a plug capable of opening and closing the water outlet.
Furthermore, the water tray can be arranged in a push-and-pull mode, and the sliding direction of the drainage control frame on the water tray is consistent with the push-and-pull direction of the water tray.
Further, when the water tray is in a closed state, the water outlet is opened by the plug; after the water tray is pulled out and opened and moves to the position where the water outlet is blocked and closed, the water tray drives the drainage control frame to move towards the pulling-out direction together.
Further, the plug is provided with a frame penetrating through the water outlet and a plug arranged at the end part of the frame and used for sealing the water outlet.
Furthermore, a sealing ring is sleeved on the plug.
Further, the frame is provided with a plurality of struts which are arranged at intervals in the circumferential direction, and the struts are provided with arc-shaped outer end faces matched with the water discharge openings.
Furthermore, a water outlet is formed in the rear end wall of the water box, a rear frame located behind the rear end wall is arranged on the water drainage control frame, the plug is arranged on the rear frame, and a plug is arranged at the front end of the frame.
Furthermore, a plurality of clamping claws clamped with the plug are arranged on the rear frame.
Further, a spring for keeping the water outlet blocked and sealed is arranged between the water tray and the water discharge control frame.
And furthermore, an upward arc-shaped groove is formed in the bottom wall of the water tray, an extending plate which upwards extends into the arc-shaped groove is arranged on the drainage control frame, and the spring is positioned in the arc-shaped groove and positioned between the extending plate and the front groove wall of the arc-shaped groove.
Furthermore, a limiting structure for limiting the relative sliding distance is arranged between the water tray and the drainage control frame.
Furthermore, the limiting structure comprises a limiting groove formed in the drainage control frame and a limiting column arranged on the water tray, and the limiting column is movably located in the limiting groove.
Furthermore, a pushing opening is formed in the water tray, a push plate located on the inner side of the pushing opening is arranged on the drainage control frame, one end of the push plate is connected with the drainage control frame, a pushing protrusion protruding outwards is arranged on the push plate, and the pushing protrusion is located in the pushing opening.
Furthermore, a baffle plate used for limiting the push plate is arranged on the inner side of the push opening, and a limiting rib protruding towards the baffle plate is arranged on the push plate.
The washing machine further comprises a chassis, the water disc is positioned in the chassis in a drawable mode, and a water outlet communicated with a drainage pipe of the washing machine is formed in the chassis.
Furthermore, the device also comprises an ultrasonic transducer fixedly arranged on the water disc.
Based on the pre-cleaning structure of the washing machine, the invention further provides the washing machine with the pre-cleaning structure, and washing water in the water tray is discharged through relative sliding between the drainage control frame and the water tray, so that manual drainage is realized.
A washing machine is provided with the pre-cleaning structure.
Further, the washing machine requires a cabinet and a control panel seat provided on the cabinet, and the pre-washing structure is provided on the control panel seat.
Compared with the prior art, the invention has the advantages and positive effects that: the drainage control frame is arranged and used for controlling drainage of the water tray, and the drainage control frame slides relative to the water tray to block and open or close the drainage outlet, so that drainage control of washing water in the water tray is realized; the drainage control frame or the water tray can be pushed to realize the relative movement between the drainage control frame and the water tray, so that the drainage operation is simple and convenient to realize; and the mechanical structure is used for controlling drainage, so that the reliability of drainage control is improved, the condition that drainage cannot be performed when power is off and the drainage valve is in fault is avoided, the circuit control for drainage of the water tray is saved, and the structure is simplified.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a pre-washing structure of a washing machine according to the present invention;
FIG. 2 is a schematic structural diagram of the precleaning structure of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;
FIG. 4 is an enlarged schematic view of region A in FIG. 3;
FIG. 5 is a schematic view of the water tray of FIG. 2 after opening;
FIG. 6 is a schematic structural view of the water tray and the drain control frame of FIG. 3;
FIG. 7 is a schematic view of the structure of the water tray and the drain control frame of FIG. 5;
FIG. 8 is a schematic view of the structure of FIG. 7 at another angle;
FIG. 9 is an enlarged view of the area B in FIG. 8;
FIG. 10 is a schematic structural view of a water tray;
FIG. 11 is a schematic view of the structure of FIG. 10 from another angle;
FIG. 12 is a schematic view of a drain control frame;
FIG. 13 is an enlarged schematic view of the plug of FIG. 12;
FIG. 14 is a schematic view of a plug;
FIG. 15 is a schematic view of the FIG. 12 arrangement at another angle after the jam has been removed;
fig. 16 is an enlarged schematic view of a part of the structure in fig. 15.
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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the water tray is pulled out "forward" and vice versa "backward". The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
Referring to fig. 1 to 16, which are one embodiment of a pre-washing structure of a washing machine according to the present invention, the washing machine includes a cabinet 100, a control panel base 200 disposed on the cabinet 100, and a pre-washing structure 300 disposed on the control panel base 200; the pre-cleaning structure 300 is arranged in the washing machine, after the local positions of neckline, cuffs and the like of the clothes are pre-cleaned and cleaned, the clothes can directly enter the washing barrel for conventional washing without redundant operation, and the operation is simple and convenient. The ultrasonic transducer 40 is arranged in the pre-washing structure 300 to realize partial pre-washing of the clothes.
Before washing, a user can preliminarily judge the dirt degree of the part to be washed of the clothes, and the washing effect can be achieved through normal washing without ultrasonic cleaning through the pre-cleaning structure 300; if the normal washing of the dirt degree cannot achieve the washing effect, the ultrasonic washing time is selected according to the dirt degree.
In other embodiments, the pre-washing structure 300 may be disposed on the cabinet 100 or on the drum washing machine. Ultrasonic transducers may also be omitted, such as by hand rubbing directly, or by other means of decontamination.
A pre-washing structure 300 of a washing machine includes: the washing machine comprises a water tray 10 and a drainage control frame 20, wherein the water tray 10 is used for containing washing water to be cleaned, the drainage control frame 20 is slidably arranged on the water tray 10, and the drainage control frame 20 is used for controlling drainage of the water tray 10; the drain port 11 is opened in the water tray 10, and the drain control frame 20 is provided with a stopper 21 capable of opening and closing the drain port 11.
The drainage control frame 20 is arranged for controlling the drainage of the water tray 10, and the drainage control frame 20 slides relative to the water tray 10 to realize the blockage 21 to open or close the drainage port 11 and realize the drainage control of the washing water in the water tray 10; the drainage control frame 20 or the water tray 10 can be pushed to realize the relative movement between the two, so that the drainage operation is simple and convenient to realize; and the mechanical structure is used for controlling water drainage, so that the reliability of water drainage control is improved, the condition that water cannot be drained when the power is off and the drain valve is in fault is avoided, the circuit control for draining the water tray 10 is saved, and the structure is simplified.
Example two
Referring to fig. 1 to 16, a pre-washing structure 300 of a washing machine includes: the washing machine comprises a water tray 10 and a drainage control frame 20, wherein the water tray 10 is used for containing washing water to be cleaned, the drainage control frame 20 is slidably arranged on the water tray 10, and the drainage control frame 20 is used for controlling drainage of the water tray 10; the drain port 11 is opened in the water tray 10, and the drain control frame 20 is provided with a stopper 21 capable of opening and closing the drain port 11.
In this embodiment, the water tray 10 can be pushed and pulled, and can be pushed into the control tray base 200 when not needed, so as not to hinder the normal washing of the washing machine. The drainage control frame 20 slides relative to the water tray 10 in the push-pull direction of the water tray 10, namely the sliding direction of the drainage control frame 20 on the water tray 10 is consistent with the push-pull direction of the water tray 10; so that the relative movement between the drainage control frame 20 and the water tray 10 can be realized in the process of pulling out or pushing in the water tray 10, thereby realizing the control of opening or closing the drainage port 11 of the water tray 10, that is, when the pre-cleaning structure 300 is needed to be used to pull out the water tray 10, the relative movement between the drainage control frame 20 and the water tray 10 can be realized, so that the drainage port 11 is closed, and the function of the water tray 10 for containing washing water is realized; after the pre-cleaning is completed, the water tray 10 is pushed in, so that the drainage port 10 is opened by the relative movement between the drainage control frame 20 and the water tray 10, and the washing water in the water tray 10 is drained; the water drainage control frame 20 is convenient and simple to operate for users, and the water drainage port 11 of the water tray 10 can be opened or closed without independently operating the water drainage control frame 20.
Referring to fig. 6 and 10, the stopper 21 opens the drain opening 11 in a closed state of the water tray 10, that is, after the water tray 10 is closed, the stopper 21 does not close the drain opening 11, that is, the washing water in the water tray 10 can be drained. After the water tray 10 is pulled out and opened and moved to the plug 21 to close the drain opening 11, the water tray 10 moves the drain control frame 20 in the pull-out direction together. The push-pull direction of the water tray 10 is the front-back direction, the water tray 10 is pulled out and moves forwards, at the moment, the drainage control frame 20 is in a static state, namely, the water tray 10 moves forwards relative to the drainage control frame 20, when the water tray 10 moves to block 21 to seal the drainage port 11, the water tray 10 drives the drainage control frame 20 to move forwards together, namely, in the pulling-out process after the water tray 10 and in the pulling-out opening state, the drainage port 11 is in a closed state; after the pre-washing is completed, the water tray 10 is pushed backward, and when the water tray 10 is in a closed state, the drain port 11 is opened by the plug 21, so that the washing water in the water tray 10 is drained.
A water outlet 11 is arranged on the rear end wall 12 of the water box 10, a rear frame 22 positioned behind the rear end wall is arranged on the water discharge control frame 20, a plug 21 is arranged on the rear frame 22, and the plug 21 penetrates through the water outlet 11; the drainage control frame 20 and the water tray 10 can slide relative to each other in the front-back direction, the plug 21 is arranged to penetrate through the drainage port 11, and the drainage control frame 20 and the water tray 10 can slide relative to each other, so that the drainage control frame has certain guiding and limiting effects.
Referring to fig. 12 to 14, the stopper 21 has a frame 211 penetrating the drain port 11 and a plug 212 provided at a front end portion of the frame 211, the plug 212 sealing the drain port 11. When the frame 211 is arranged in the water outlet 11, the frame 211 has no sealing between the water outlet 11 and the rest of the frame 211, and has a larger water discharging space, so that the washing water in the water tray 10 can flow out of the water outlet 11, and after the water discharging control frame 20 and the water tray 10 relatively move for a certain distance, the plug 21 is arranged in the water outlet 11, so that the water outlet 11 is sealed. The plug 212 is sleeved with a sealing ring.
The frame 211 is provided with a plurality of support posts 2111 arranged at intervals in the circumferential direction, and when the drainage control frame 20 and the water tray 10 slide relatively, the frame 211 slides back and forth in the drainage port 11; the post 2111 has an arc-shaped outer end surface matched with the water discharge port 11, which is beneficial to increasing the contact fit between the post 2111 and the water discharge port 11 and ensuring the smoothness of the front-back sliding of the frame 211 in the water discharge port 11.
The plug 21 is engaged and fixed on the drain control frame 20, a plurality of claws 221 engaged with the plug 21 are provided on the rear frame 22 of the drain control frame 20, and the engagement and fixation of the plug 21 is provided, which is advantageous for passing the plug 21 from the inside of the water tray 10 to the rear through the drain opening 11 and engaging with the claws 221 when the plug 21 is mounted.
In order to ensure that the water tray 10 moves forwards after being pulled out until the water outlet 11 is sealed, the water tray 10 can drive the drainage control frame 20 to move forwards together; a limiting structure for limiting a relative sliding distance is arranged between the water tray 10 and the drainage control frame 20; the moving distance of the water tray 10 when pulled out and moved forward until the water outlet 11 is sealed is a relative sliding distance, that is, after the water tray 10 moves forward and moves relative sliding distance relative to the drainage control frame 20, the plug 21 seals the water outlet 11, and at this time, the relative movement between the water tray 10 and the drainage control frame 20 in the forward moving direction is limited; or the maximum relative movement distance between the water tray 10 and the drain control frame 20, is the relative sliding distance.
Specifically, referring to fig. 9, the limiting structure is a limiting groove 23 opened on the drain control frame 20 and a limiting column 13 provided on the water tray 10, the limiting groove 23 extends in the relative moving direction of the water tray 10 and the drain control frame 20, and the limiting column 13 is movably located in the limiting groove 23. The restricting post 13 is located at the front end of the restricting groove 23 when the water tray 10 is in a closed state, and the restricting post 13 is located at the rear end of the restricting groove 23 when the stopper 21 seals the drain opening 11, so that the water tray 10 and the drain control frame 20 cannot move in a forward direction relative to each other.
In order to ensure that the closed state, that is, the force that the drain control frame 20 and the water tray 10 are away from each other in the front-rear direction is given after the stopper 21 seals the drain opening 11, so that the stopper 21 is sealed by the force that is given to the rear of the stopper 21. A spring for keeping the state of blocking 21 and sealing the water outlet 11 is arranged between the water tray 10 and the water discharge control frame 20; the spring makes the drainage control frame 20 and the water tray 10 move away from each other in the front-rear direction, after the water tray 10 is pulled out and opened, the drainage control frame 20 is still under the action of the spring, after the water tray 10 is pulled out and moves to block 21 to close the drainage port 11, the drainage control frame 20 and the water tray 10 cannot move away from each other under the limit of the fixed groove 23 and the limit column 13, so that the water tray 10 drives the drainage control frame 20 to move forward together; at this time, the spring continues to apply a force to the drain control bracket 20 and the water tray 10 away from each other, ensuring a seal between the stopper 21 and the drain opening 11.
Specifically, as shown in fig. 11 and 15, an upward arc-shaped groove 14 is formed in the bottom wall of the water tray 10, an extending plate 24 extending upward into the arc-shaped groove is formed on the drainage control frame 20, the spring is located in the arc-shaped groove 14, and the spring is located between the extending plate 24 and the front groove wall of the arc-shaped groove 14.
The pre-washing structure 300 further includes a base plate 30, the water tray 10 is drawably positioned in the base plate 30, the washing water discharged from the water tray 10 flows into the base plate 30, and a water outlet 31 communicated with a drain pipe of the washing machine is provided on the base plate 30.
During the pushing and closing process of the water tray 10, the plug 21 continues to close the water outlet 11 under the action of the spring; after the rear frame 22 of the drain control frame 20 contacts the rear wall of the base plate 30, the drain control frame 20 cannot move backward, and the water tray 10 moves backward, so that the drain port 11 is opened, and the washing water in the water tray 10 is drained.
EXAMPLE III
Referring to fig. 1, a pre-washing structure 300 of a washing machine includes: the washing machine comprises a water tray 10 and a drainage control frame 20, wherein the water tray 10 is used for containing washing water to be cleaned, the drainage control frame 20 is slidably arranged on the water tray 10, and the drainage control frame 20 is used for controlling drainage of the water tray 10; the drain port 11 is opened in the water tray 10, and the drain control frame 20 is provided with a stopper 21 capable of opening and closing the drain port 11.
Explaining a mode of manually controlling the sliding of the drainage control frame 20, a push opening 15 is formed in the water tray 10, a push plate 25 positioned on the inner side of the push opening 15 is arranged on the drainage control frame 20, one end of the push plate 25 is connected with the drainage control frame 20, namely the push plate 25 is arranged in a cantilever manner; the push plate 25 is provided with a convex push projection 251, and the push projection 251 is positioned in the push opening 15. In a state that the stopper 21 seals the drain opening 11, the push plate 25 is pushed forward, so that the drain control frame 20 moves forward relative to the water tray 10, so that the drain opening 11 is opened, and the washing water in the water tray 10 is drained. After the pre-cleaning structure 300 is opened, when the washing water needs to be replaced in the using process, the water can be drained by pushing the push protrusion 251; the water tray 10 does not need to be closed to achieve drainage.
A baffle plate 16 used for limiting the push plate 25 is arranged on the inner side of the push opening 15, and a limiting rib 252 protruding towards the baffle plate 16 is arranged on the push plate 25; the baffle 16 is arranged for bearing the inward force of the push plate 25, thereby being beneficial to the stability of the drainage control frame 20 when the push boss 251 is pushed to slide; the displacement of the drain control frame 20 when the drain control frame 20 slides back and forth due to an inward force applied to the drain control frame 20 when the push projection 251 is pushed is avoided.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A pre-washing structure of a washing machine, comprising:
a water tray for holding washing water for pre-washing;
the drainage control frame is arranged on the water tray in a sliding mode and used for controlling drainage of the water tray;
the water tray is provided with a water outlet, and the water discharge control frame is provided with a plug capable of opening and closing the water outlet.
2. The pre-washing structure as claimed in claim 1, wherein the water tray is push-pull arranged, and the sliding direction of the drain control frame on the water tray is the same as the push-pull direction of the water tray.
3. The precleaning structure of claim 2, wherein said plug opens said drain opening when said drip pan is in a closed position; after the water tray is pulled out and opened and moves to the position where the water outlet is blocked and closed, the water tray drives the drainage control frame to move towards the pulling-out direction together.
4. The precleaning structure of claim 1, wherein said plug has a frame extending through said drain opening and a plug at an end of said frame for sealing said drain opening.
5. The precleaning structure according to claim 4, wherein a drain opening is formed in a rear end wall of the water box, a rear frame is disposed on the drain control frame behind the rear end wall, the plug is disposed on the rear frame, and a plug is disposed at a front end of the frame.
6. The precleaning structure according to any of claims 1-5, wherein an upward arc-shaped groove is provided on the bottom wall of the water tray, an extension plate extending upward into the arc-shaped groove is provided on the drain control frame, and the spring is located in the arc-shaped groove and between the extension plate and the front groove wall of the arc-shaped groove.
7. The preliminary washing structure as claimed in any one of claims 1 to 5, wherein a defining structure defining a relative sliding distance is provided between the water tray and the drain control frame.
8. The precleaning structure according to any one of claims 1-5, wherein a push opening is formed on the water tray, a push plate is arranged on the drainage control frame and located inside the push opening, one end of the push plate is connected with the drainage control frame, a convex push protrusion is arranged on the push plate and located in the push opening.
9. The precleaning structure according to any of claims 1-5, further comprising a chassis, wherein the water tray is drawably located in the chassis, and a water outlet communicated with a drain pipe of the washing machine is provided on the chassis.
10. A washing machine characterized by having a preliminary washing structure as set forth in any one of claims 1 to 9.
CN202010374576.XA 2020-05-06 2020-05-06 Washing machine pre-cleaning structure and washing machine Active CN113622160B (en)

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CN113622160B CN113622160B (en) 2023-12-15

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