CN113308852B - Drainage mechanism of washing machine, washing machine and control method - Google Patents
Drainage mechanism of washing machine, washing machine and control method Download PDFInfo
- Publication number
- CN113308852B CN113308852B CN202110642285.9A CN202110642285A CN113308852B CN 113308852 B CN113308852 B CN 113308852B CN 202110642285 A CN202110642285 A CN 202110642285A CN 113308852 B CN113308852 B CN 113308852B
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- push rod
- water outlet
- assembly
- clamping
- inner barrel
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- 238000005406 washing Methods 0.000 title claims abstract description 65
- 230000007246 mechanism Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 230000000903 blocking effect Effects 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
-
- 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
- D06F39/12—Casings; Tubs
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/08—Draining of washing liquids
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a drainage mechanism of a washing machine, the washing machine comprises an outer barrel and an inner barrel rotatably arranged in the outer barrel, the bottom wall of the inner barrel is provided with a drainage outlet, the drainage mechanism comprises: the plugging component is arranged on the bottom wall of the inner barrel, and is movably arranged along the bottom wall of the inner barrel to open and close the water outlet; the clamping component is movably arranged on the bottom wall of the inner barrel and is used for being matched with the plugging component after the plugging component opens the water outlet, so that the plugging component is positioned to keep the opening state of the water outlet; the rotary push rod assembly is arranged on the bottom wall of the outer barrel and is used for pushing the plugging assembly away from the water outlet when the plugging assembly opens the water outlet and continuously pushing the plugging assembly to the clamping assembly to be matched with the clamping assembly after the plugging assembly opens the water outlet; and the blocking assembly is used for pushing the clamping assembly to separate the clamping assembly from the blocking assembly when the blocking assembly blocks the water outlet, so that the blocking assembly is reset to close the water outlet. The drainage mechanism does not need to position the drainage port during drainage.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a drainage mechanism of a washing machine, the washing machine and a control method.
Background
The existing pulsator washing machine is characterized in that a plurality of dehydration holes are formed in the peripheral wall of an inner barrel, the inner barrel is communicated with an outer barrel, the inner barrel is a clothes washing area and is used for washing clothes, the part of water filled between the inner barrel and the side wall of the outer barrel does not participate in washing, the part of water actually participating in washing is the part in the inner barrel, water resource waste is huge, and in addition, excessive water between the inner barrel and the outer barrel can reduce concentration of detergent and influence washing effect. Meanwhile, because water flow frequently enters and exits between the inner barrel and the outer barrel, after continuous use, the area between the side walls of the inner barrel and the outer barrel also becomes a dirty space, and water scale in tap water, free matters of washing powder, cellulose of clothes, organic matters of human bodies and dust and bacteria brought by the clothes are extremely easy to stay between the side walls of the inner barrel and the outer barrel. The mould is a large amount of dirt accumulated in the washing machine after a long time use and grows because of being not effectively removed, and if the dirt which cannot be seen by a user is not removed, bacteria are attached to clothes after the next washing, so that the problem of cross infection is caused. At present, a washing machine without water between barrels is provided, and as no water exists between an inner barrel and an outer barrel, the problem of dirt collection between an inner barrel and an outer barrel is effectively solved. Because the water outlet of the washing machine without water between the barrels is arranged at the bottom of the inner barrel, the structure and the arrangement position of the valve plug mechanism for plugging the water outlet influence the tightness of the water outlet, the valve plug mechanism of the existing washing machine without water between barrels is arranged on the outer barrel, the water outlet of the inner barrel is required to be positioned during water discharge, and the problems of inaccurate positioning and positioning locking abrasion of the water outlet easily occur.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a drainage mechanism, a washing machine and a control method, wherein the drainage mechanism does not need to position a drainage port during drainage.
To solve the above technical problem, a first object of the present invention is to provide a drainage mechanism of a washing machine, the washing machine including an outer tub and an inner tub rotatably disposed in the outer tub, a drainage opening being formed in a bottom wall of the inner tub, the drainage mechanism comprising:
the plugging assembly is arranged on the bottom wall of the inner barrel, and is movably arranged along the bottom wall of the inner barrel to open and close the water outlet;
the blocking component is movably arranged on the bottom wall of the inner barrel and is used for being matched with the blocking component after the blocking component opens the water outlet, so that the blocking component is positioned to keep the opened state of the water outlet;
the rotary push rod assembly is arranged on the bottom wall of the outer barrel, and is used for pushing the plugging assembly away from the water outlet when the plugging assembly opens the water outlet, and continuously pushing the plugging assembly to the clamping assembly to be matched with the clamping assembly after the plugging assembly opens the water outlet; and the blocking assembly is used for pushing the clamping assembly to separate the clamping assembly from the blocking assembly when the blocking assembly blocks the water outlet, so that the blocking assembly is reset to close the water outlet.
Further optionally, the plugging assembly further includes a valve plug, a first spring, a movable rod and a hook, wherein the movable rod is rotatably arranged on the bottom wall of the inner barrel through a first rotating shaft, the valve plug and the hook are arranged on the movable rod and are respectively positioned at two sides of the first rotating shaft, a first end of the first spring is fixed on the bottom wall of the inner barrel, and a second end of the first spring is connected with the movable rod and is positioned between the valve plug and the first rotating shaft;
when the water outlet is opened, the rotary push rod mechanism pushes the movable rod to enable the valve plug to move away from the water outlet, and after the water outlet is opened, the rotary push rod mechanism continues to push the movable rod until the clamping hook is matched with the clamping component.
Further optionally, the clamping assembly includes a fixed member, a second spring, and a movable switch;
the first end of the second spring is fixed on the bottom wall of the inner barrel, the second end of the second spring is connected with the movable switch, and the movable switch is rotatably arranged on the bottom wall of the inner barrel through a second rotating shaft; the fixing piece is fixed on the bottom wall of the inner barrel and is positioned above the movable switch, the second spring is connected with the movable switch in a stretched state, and the fixing piece is used for blocking the movable switch to keep the stretched state of the second spring and keep the horizontal state of the movable switch when the movable switch is in an initial state;
the movable switch is provided with a clamping structure, after the water outlet is opened, the rotary push rod assembly pushes the movable rod to the clamping assembly, and the clamping hook is matched with the clamping structure to realize the positioning of the valve plug; when the water outlet is closed, the rotary push rod assembly pushes the movable switch to separate the clamping hook from the clamping structure, so that the valve plug is reset to close the water outlet.
Further optionally, the movable switch comprises a base, the base is rotatably arranged on the bottom wall of the inner barrel through the second rotating shaft, and the fixing piece is fixed above the base; the second end of the second spring is connected with the upper end face of the base, the clamping structure comprises a clamping part, and the clamping part is formed by downwards protruding the lower end face of the base;
after the water outlet is opened, the rotary push rod mechanism pushes the movable rod to enable the clamping hook to be hooked on one side of the clamping position part, which is close to the valve plug.
Further alternatively, the second spring and the clamping portion are arranged in a staggered manner, and the second spring and the clamping portion are respectively located at two sides of the second rotating shaft.
Further optionally, the clamping structure further comprises a blocking piece and a third spring, one end of the blocking piece is rotatably connected with the second rotating shaft, one side, close to the valve plug, of the clamping portion is recessed inwards to form a concave cavity, the first end of the third spring is connected with the blocking piece, and the second end of the third spring is abutted against the bottom wall of the concave cavity;
after the water outlet is opened, the rotary push rod mechanism pushes the movable rod to enable the clamping hook to be hooked on one side of the baffle close to the valve plug.
Further optionally, the rotary push rod assembly comprises a driving motor and a supporting rod, the supporting rod is perpendicular to the bottom wall of the outer barrel, and the driving motor drives the supporting rod to rotate; a first push rod and a second push rod are sequentially arranged along the length direction of the support rod, and the support rod rotates to drive the first push rod and the second push rod to rotate; the first push rod is used for being matched with the movable rod, and the second push rod is used for being matched with the movable switch.
Further optionally, the rotary push rod assembly comprises a first driving motor, a second driving motor and a supporting rod, wherein the supporting rod is perpendicular to the bottom wall of the outer barrel; a first push rod and a second push rod are sequentially arranged along the length direction of the support rod, the first driving motor is connected with the first push rod to drive the first push rod to rotate around the support rod, and the second driving motor is connected with the second push rod to drive the second push rod to rotate around the support rod; the first push rod is used for being matched with the movable rod, and the second push rod is used for being matched with the movable switch.
Further alternatively, the movable rod is provided with a first matching position matched with the first push rod, the movable switch is provided with a second matching position matched with the second push rod, the height of the first push rod from the bottom wall of the outer barrel is the same as the height of the first matching position from the bottom wall of the outer barrel, and the height of the second push rod from the bottom wall of the outer barrel is the same as the height of the second matching position from the bottom wall of the outer barrel.
Further optionally, the first matching position is formed by extending one end of the movable rod, which is close to the clamping hook, along the direction of the rod body of the movable rod;
and/or, the second matching position is formed by extending one end, close to the clamping part, of the base along the length direction of the base.
Further optionally, the drainage mechanism further comprises a mounting substrate, the mounting substrate is arranged on the bottom wall of the inner barrel, and the plugging assembly and the clamping assembly are arranged on the mounting substrate.
A second object of the present invention is to propose a washing machine comprising the above-mentioned draining mechanism.
The third object of the present invention is to provide a control method of a washing machine, when a set condition for opening a drain opening is detected, controlling the inner tub to rotate to enable the rotary push rod assembly to push the plugging assembly away from the drain opening until the plugging assembly is pushed to the clamping assembly to enable the clamping assembly to be matched with the plugging assembly to position the plugging assembly;
when detecting that the set condition of the plugging water outlet is reached, controlling the inner barrel to rotate to enable the rotary push rod assembly to push the clamping assembly to separate the clamping assembly from the plugging assembly, enabling the plugging assembly to reset to close the water outlet, and enabling the plugging assembly to reset.
The fourth object of the present invention is to provide a control method, when a set condition for opening a drain opening is detected, the first push rod is controlled to reach a first set position, the inner barrel is controlled to rotate, and the first push rod pushes the movable rod to enable the valve plug to open the drain opening; when the valve plug opens the water outlet, the inner barrel is continuously controlled to rotate, and when the clamping hook passes over the baffle plate, the inner barrel is controlled to stop rotating;
when the detection reaches the set condition for blocking the water outlet, the second push rod is controlled to reach a second set position, the inner barrel is controlled to rotate, the second push rod pushes the movable switch, and when the clamping hook is separated from the blocking piece, the inner barrel is controlled to stop rotating.
Further optionally, the controlling the first push rod to reach the first set position is controlling the free end of the first push rod to face the central axis of the inner barrel;
and the position where the second push rod reaches the second set position is controlled to control the free end of the second push rod to face the central axis of the inner barrel.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
1. the drainage mechanism avoids the positioning of the drainage hole and solves the problems of abrasion and inaccurate positioning caused by positioning.
2. The drainage mechanism of the invention utilizes the rotation of the inner barrel to contact with the drainage rotary push rod component at the fixed position to open the drainage outlet, and locks the drainage state through the clamping component, thereby having good sealing performance and avoiding water leakage of the outer barrel.
3. The water draining mechanism of the invention utilizes the rotation of the inner barrel to contact with the rotary push rod component at the fixed position to seal the water draining port, and locks the water sealing state through the clamping component.
4. The drainage mechanism has the advantages of simple structure, convenient installation, convenient control and small occupied space.
The following describes the 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 and 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. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
fig. 1: the water draining mechanism is a matched schematic diagram of the plugging assembly and the rotary push rod assembly when the water draining mechanism is in a water draining port plugging state;
fig. 2: is a top view of fig. 1;
fig. 3: a matching schematic diagram of a plugging assembly and a rotary push rod assembly when a water outlet is opened by the water outlet mechanism;
FIGS. 4 and 5 are top views of the drain opening of FIG. 3 at various stages of opening the drain opening;
fig. 6: the sealing assembly and the rotary push rod assembly are matched with each other in a schematic mode when the drain valve is positioned after the drain outlet is opened;
fig. 7: is a top view of fig. 6;
fig. 8: the sealing assembly is matched with the rotary push rod assembly when the water discharge mechanism seals a water discharge port;
fig. 9: is a top view of fig. 8;
fig. 10: the structure of the plugging component of the drainage mechanism is schematically shown in the embodiment of the invention;
fig. 11: the structure schematic diagram of the clamping component of the drainage mechanism is provided;
fig. 12: the assembly schematic diagram of the plugging component and the clamping component of the drainage mechanism of the embodiment on the mounting base is shown.
Wherein:
10-a water outlet; 20-plugging an assembly; 30-a rotary push rod assembly; 40-clamping assembly; 50-an inner barrel; 60-an outer barrel; 70-an outer tub drain; 21-a valve plug; 22-a first spring; 23-a movable rod; 24-a first rotating shaft; 25-a first mating position; 26-clamping hooks; 27-a first fixing rod;
31-supporting rods; 32-a first push rod; 33-a second pushrod; 411-a second spring; 412-a detent; 413-a fixing piece; 414-a second spindle; 415-a third spring; 416-a baffle; 417-second mating position; 418-a base; 419-a second securing lever; 80-mounting a substrate; 81-fixing holes.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The present embodiment discloses a drainage device of a washing machine, as shown in fig. 1-12, the washing machine of the present embodiment is selected from a water-free washing machine between barrels or a washing machine without an outer barrel 60, and includes an outer barrel 601 and an inner barrel 50 rotatably disposed in the outer barrel 601, and the outer barrel 601 of the present embodiment may be the outer barrel 60 of a conventional washing machine or may be a water collecting device disposed outside the inner barrel 50. The bottom wall of the inner barrel 50 is provided with a water outlet 10, and the water discharging mechanism comprises a plugging assembly 20, a clamping assembly 40 and a rotary push rod assembly 30. The plugging assembly 20 is arranged on the bottom wall of the inner barrel 50, and the plugging assembly 20 is movably arranged along the bottom wall of the inner barrel 50 to open and close the water outlet 10; the clamping assembly 40 is movably arranged on the bottom wall of the inner barrel 50 and is used for being matched with the plugging assembly 20 after the plugging assembly 20 opens the water outlet 10, so that the plugging assembly 20 is positioned to keep the opened state of the water outlet 10; the rotary push rod assembly 30 is arranged on the bottom wall of the outer barrel 60 and is used for pushing the plugging assembly 20 away from the water outlet 10 when the plugging assembly 20 opens the water outlet 10 and continuously pushing the plugging assembly 20 to the clamping assembly 40 to be matched with the clamping assembly 40 after the plugging assembly 20 opens the water outlet 10; and is used for pushing the clamping assembly 40 to separate the clamping assembly 40 from the plugging assembly 20 when the plugging assembly 20 is plugged into the water outlet 10, and resetting the plugging assembly 20 to close the water outlet 10. It should be noted that, the bottom wall of the inner tub 50 in this embodiment is the outer wall of the bottom of the inner tub 50, and the bottom wall of the outer tub 60 is the inner wall of the bottom of the outer tub 60.
The water discharge mechanism of the embodiment avoids the positioning of the water discharge port 10, solves the problems of inaccurate positioning and positioning locking abrasion of the water discharge port of the inner barrel of the water-free washing machine between barrels or the water discharge port of the outer barrel-free washing machine, and has the advantages of simple structure and convenient installation.
Further alternatively, as shown in fig. 10, the plugging assembly 20 further includes a valve plug 21, a first spring 22, a movable rod 23 and a hook 26, wherein the movable rod 23 is rotatably disposed on the bottom wall of the inner barrel 50 through a first rotating shaft 24, the valve plug 21 and the hook 26 are disposed on the movable rod 23 and are respectively disposed on two sides of the first rotating shaft 24, a first end of the first spring 22 is fixed on the bottom wall of the inner barrel 50, and a second end of the first spring 22 is connected with the movable rod 23 and is disposed between the valve plug 21 and the first rotating shaft 24; the first ends of the first springs 22 may be disposed on the bottom wall of the inner tub 50 therebetween, or may be connected to the first fixing bars 27 by disposing the first fixing bars 27 on the bottom of the inner tub 50. When the water outlet 10 is opened, the rotary push rod mechanism pushes the movable rod 23 to enable the valve plug 21 to move away from the water outlet 10, and after the water outlet 10 is opened, the rotary push rod mechanism continues to push the movable rod 23 until the clamping hook 26 is matched with the clamping assembly 40. The movable rod 23 is connected and tensioned by a spring, the valve plug 21 is combined with the movable rod 23, the movable rod is locked at the water outlet of the inner barrel 50 of the washing machine, and the water outlet 10 is closed.
Further alternatively, as shown in fig. 11, the detent assembly 40 assembly includes: the detent assembly 40 includes a fixed member 413, a second spring 411, and a movable switch; the first end of the second spring 411 is fixed on the bottom wall of the inner barrel 50, the second end of the second spring 411 is connected with a movable switch, and the movable switch is rotatably arranged on the bottom wall of the inner barrel 50 through a second rotating shaft 414; the first end of the second spring 411 may be directly disposed at the bottom wall of the inner tub 50, or may be coupled to the second fixing lever 419 by disposing the second fixing lever 419 at the bottom wall of the inner tub 50. The fixing member 413 is fixed to the bottom wall of the inner tub 50 above the movable switch, and the second spring 411 is connected to the movable switch in a stretched state, and the fixing member 413 is used to block the movable switch to maintain the stretched state of the second spring 411 and to maintain the horizontal state of the movable switch when the movable switch is in an initial state; a clamping structure is formed on the movable switch, after the water outlet 10 is opened, the rotary push rod assembly 30 pushes the movable rod 23 to the clamping assembly 40, and the positioning of the valve plug 21 is realized through the cooperation of the clamping hook 26 and the clamping structure; when the water outlet 10 is closed, the rotary push rod assembly 30 pushes the movable switch to separate the clamping hook 26 from the clamping structure, so that the valve plug 21 is reset to close the water outlet 10.
Further alternatively, as shown in fig. 11, the movable switch includes a base 418, the base 418 is rotatably disposed on the bottom wall of the inner tub 50 by a second rotation shaft 414, and a fixing member 413 is fixed above the base 418; the second end of the second spring 411 is connected with the upper end face of the base 418, and the clamping structure comprises a clamping part 412, wherein the clamping part 412 is formed by downwards protruding the lower end face of the base 418; after the water outlet 10 is opened, the rotary push rod mechanism pushes the movable rod 23 to enable the clamping hook 26 to be hooked on one side of the clamping position part 412, which is close to the valve plug 21. Alternatively, the second spring 411 and the clamping portion 412 are arranged in a staggered manner, and the second spring 411 and the clamping portion 412 are respectively located at two sides of the second rotating shaft 414.
Further alternatively, as shown in fig. 11, the blocking structure further includes a blocking piece 416 and a third spring 415, one end of the blocking piece 416 is rotatably connected with the second rotating shaft 414, one side of the blocking portion 412, which is close to the valve plug 21, is recessed inwards to form a cavity, a first end of the third spring 415 is connected with the blocking piece 416, and a second end of the third spring 415 is abutted against a bottom wall of the cavity; the clamping part 412 is connected and tensioned with the second fixing rod 419 by the second spring 411 and is limited at the fixing piece 413. Alternatively, the free end of the blocking piece 416 protrudes out of the detent 412, and after the drain opening 10 is opened, the rotating push rod mechanism pushes the movable rod 23 to hook the hook 26 on the side of the blocking piece 416 close to the valve plug 21.
When the water outlet 10 is opened, the inner tub 50 of the washing machine rotates to drive the blocking assembly 20 to rotate, and a rotary push rod mechanism is arranged at the bottom of the outer tub 60, so that the movable rod 23 rotates around the first rotating shaft 24 due to the blocking of the first push rod 32, which is equivalent to pulling the movable rod 23 by external force. The hook 26 is connected with the movable rod 23 and rotates to the clamping component 40 to push the blocking piece 416 away, so that the blocking piece 416 moves backwards, under the continuous rotation of the inner barrel 50, the hook 26 passes over the blocking piece 416 after reaching the critical height, the hook 26 reaches the front end of the blocking piece 416 from the rear end of the blocking piece 416, then the first push rod 32 is withdrawn, the blocking piece 416 is reset under the elastic tension of the third spring 415, the hook 26 is buckled with the blocking piece 416 under the elastic tension of the first spring 22, the position is limited at the blocking piece 416, and at the moment, the valve plug 21 is far away from the water outlet 10 of the inner barrel 50 of the washing machine, and the washing machine drains water. Fig. 5 is a schematic illustration of the closure assembly 20 being locked in place by the retention assembly 40 and the valve plug 21 being opened. Meanwhile, the positioning state of the clamping hook 26 is more stable under the elastic force applied by the first spring 22 to the clamping hook 26 and the elastic force applied by the third spring 415 to the blocking piece 416.
As shown in fig. 1 to 9, the rotary push rod assembly 30 includes a driving motor and a support rod 31, the support rod 31 is perpendicular to the bottom wall of the outer tub 60, and the driving motor drives the support rod 31 to rotate; the motor shaft of the driving motor rotates to change the positions of the first push rod 32 and the second push rod 33, so that different push rods respectively contact the plugging assembly 20 and the clamping assembly 40 to perform water draining or sealing operation. A first push rod 32 and a second push rod 33 are sequentially arranged along the length direction of the support rod 31, and the support rod 31 rotates to drive the first push rod 32 and the second push rod 33 to rotate; the first push rod 32 is intended to cooperate with the movable rod 23 and the second push rod 33 is intended to cooperate with the movable switch. Alternatively, the first push rod 32 and the second push rod 33 are disposed perpendicular to the support rod 31, respectively. Optionally, the angle between the first push rod 32 and the second push rod 33 is 180 degrees. When the water outlet 10 is opened, the first push rod 32 rotates to a first set position, and when the inner barrel 50 rotates, the movable rod 23 is pushed to separate the valve plug 21 from the water outlet 10, after the water outlet 10 is opened, the first push rod 32 continues to push the movable rod 23 under the rotation of the inner barrel 50, so that the clamping hook 26 is hooked on the clamping structure; when the water outlet 10 is closed, the second push rod 33 rotates to a second set position, and when the inner barrel 50 rotates, the second push rod 33 is pushed to move the movable switch to separate the clamping hook 26 from the clamping structure, and the valve plug 21 resets to seal the water outlet 10. The inner tub 50 rotates in the same direction when the drain opening 10 is opened and closed, and both rotate toward a direction approaching the first push rod 32 or the second push rod 33.
As shown in fig. 1 and 2, the present embodiment provides a washing machine in which the valve plug 21 is tightly engaged with the drain opening 10 of the inner tub 50 due to the elastic force of the first spring 22 in the closed state of the drain opening 10. When washing, the water drain hole of the inner barrel 50 is sealed by the valve plug 21, the inner barrel 50 stores water, only the inner barrel 50 has water, no water exists between the inner barrel 50 and the outer barrel 60, and water is saved.
The inner tub 50 is in a water-storing state, and the rotary push rod mechanism is not operated, and the position is shown in fig. 1 and 2. At this time, the valve plug 21 is tightly engaged with the drain hole 10 of the inner tub 50 due to the elastic force of the first spring 22, the drain hole 10 of the inner tub 50 is sealed by the valve plug 21, the drain is closed, and the inner tub 50 can store water.
After washing or rinsing of the washing machine, the inner tub 50 is ready for draining. As shown in fig. 3-5, the rotary push rod assembly 30 is actuated to bring the first push rod 32 to the drainage designated position. The motor then rotates the inner tub 50, the movable rod 23 contacts the first push rod 32, and at this time the first push rod 32 is a stationary barrier, and the movable rod 23 is pushed to open the valve plug 21. Eventually the movable rod 23 reaches the movable switch, the hook 26 on the movable rod 23 is blocked by the blocking piece 416 of the movable switch, and the valve plug 21 is always opened away from the water outlet 10. As shown in fig. 6 and 7, the blocking assembly 20 is caught by the catching assembly 40, the valve plug 21 is always opened, and the washing machine can perform a draining or dehydrating operation.
Before the washing machine washes or rinses, the inner tub 50 is ready for water to enter, the blocking assembly 20 is blocked by the blocking assembly 40, and the rotary push rod mechanism acts to bring the water blocking push rod to the water blocking designated position, as shown in fig. 6 and 7. The motor then rotates the inner barrel 50 and the movable switch contacts the second push rod 33, at which time the second push rod 33 is a stationary stop and the detent assembly 40 is pushed to open the movable switch and disengage the catch 26 from the catch 416 on the movable switch, as shown in fig. 8 and 9. The valve plug 21 is restored to be closely matched with the water outlet 10 of the inner tub 50 by the elastic force of the first spring 22, the water outlet 10 of the inner tub 50 is sealed by the valve plug 21, the water is discharged to be closed, and the inner tub 50 can store water.
Further alternatively, another way of rotating the push rod assembly 30 may be: comprises a first driving motor, a second driving motor and a supporting rod 31, wherein the supporting rod 31 is perpendicular to the bottom wall of the outer barrel 60; a first push rod 32 and a second push rod 33 are sequentially arranged along the length direction of the support rod 31, a first driving motor is connected with the first push rod 32 to drive the first push rod 32 to rotate around the support rod 31, and a second driving motor is connected with the second push rod 33 to drive the second push rod 33 to rotate around the support rod 31; the first push rod 32 is intended to cooperate with the movable rod 23 and the second push rod 33 is intended to cooperate with the movable switch. Alternatively, the first push rod 32 and the second push rod 33 are disposed perpendicular to the support rod 31, respectively. Optionally, the angle between the first push rod 32 and the second push rod 33 is 180 degrees. When the water outlet 10 is opened, the first push rod 32 rotates to a first set position, and when the inner barrel 50 rotates, the movable rod 23 is pushed to separate the valve plug 21 from the water outlet 10, after the water outlet 10 is opened, the first push rod 32 continues to push the movable rod 23 under the rotation of the inner barrel 50, so that the clamping hook 26 is hooked on the clamping structure; when the water outlet 10 is closed, the second push rod 33 rotates to a second set position, and when the inner barrel 50 rotates, the second push rod 33 is pushed to move the movable switch to separate the clamping hook 26 from the clamping structure, and the valve plug 21 resets to seal the water outlet 10. The inner tub 50 rotates in the same direction when the drain opening 10 is opened and closed, and both rotate toward a direction approaching the first push rod 32 or the second push rod 33.
Further alternatively, as shown in fig. 1 to 9, the movable lever 23 is formed with a first engagement position 25 engaged with the first push rod 32, and the movable switch is formed with a second engagement position 417 engaged with the second push rod 33, the first push rod 32 is at the same height from the bottom wall of the outer tub 60 as the first engagement position 25, and the second push rod 33 is at the same height from the bottom wall of the outer tub 60 as the second engagement position 417. Alternatively, the first engaging portion 25 is formed by extending an end of the movable rod 23 near the hook 26 along the rod body direction of the movable rod 23; and/or, the second mating portion 417 is formed by extending an end of the base 418 near the clamping portion 412 along a length direction of the base 418.
Further alternatively, as shown in fig. 12, the drainage mechanism further includes a mounting base plate 80, the mounting base plate 80 being provided on the bottom wall of the inner tub 50, and the blocking assembly 20 and the click assembly 40 being provided on the mounting base plate 80. Wherein the mounting substrate 80 includes a plurality of screw fixing holes 81; the mounting substrate 80 is mounted under the inner tub 50 of the washing machine, the plugging assembly 20 and the clamping assembly 40 are mounted on the mounting substrate 80, the setting positions of the plugging assembly 20 and the clamping assembly 40 are set on the mounting substrate 80 in advance, then the plugging assembly 20 and the clamping assembly 40 are assembled on the mounting substrate 80 according to the set positions, and finally the mounting is basically assembled under the inner tub 50, so that the plugging assembly 20 and the clamping assembly 40 can be integrally mounted, and the assembly efficiency is improved.
The embodiment also provides a washing machine comprising the drainage mechanism.
The embodiment also discloses a control method of the washing machine, when the setting condition of opening the water outlet 10 is detected, the inner barrel 50 is controlled to rotate to enable the rotary push rod assembly 30 to push the plugging assembly 20 away from the water outlet 10 until the plugging assembly 20 is pushed to the clamping assembly 40 to enable the clamping assembly 40 to be matched with the plugging assembly 20 to position the plugging assembly 20; the set condition for opening the drain port 10 is washing drain, rinsing drain or dehydration.
When the set condition for blocking the water outlet 10 is detected, the inner barrel 50 is controlled to rotate, so that the rotary push rod assembly 30 pushes the clamping assembly 40 to separate the clamping assembly 40 from the blocking assembly 20, the blocking assembly 20 is reset to close the water outlet 10, and the blocking assembly 20 is reset. The set condition of the plugging water outlet 10 is that the washing water inlet, the water outlet water inlet or the dehydration is finished, and the washing is finished.
The embodiment also discloses a further control method of the washing machine, when the setting condition for opening the water outlet 10 is detected, the first push rod 32 is controlled to reach the first setting position, the inner barrel 50 is controlled to rotate, and the first push rod 32 pushes the movable rod 23 to enable the valve plug 21 to open the water outlet 10; when the valve plug 21 opens the water outlet 10, the inner barrel 50 is controlled to rotate continuously, and when the clamping hook 26 passes over the blocking piece 416, the inner barrel 50 is controlled to stop rotating;
when the set condition for blocking the water outlet 10 is detected, the second push rod 33 is controlled to reach the second set position, the inner barrel 50 is controlled to rotate, the second push rod 33 pushes the movable switch, and when the clamping hook 26 is separated from the blocking piece 416, the inner barrel 50 is controlled to stop rotating.
Further alternatively, controlling the first push rod 32 to reach the first set position is controlling the free end of the first push rod 32 to face the central axis of the inner tub 50; controlling the second push rod 33 to reach the second setting position is controlling the free end of the second push rod 33 to face the central axis of the inner tub 50.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (15)
1. The utility model provides a drainage mechanism of washing machine, its characterized in that, washing machine includes outer bucket and rotatable setting is in the interior bucket in the outer bucket, the outlet is seted up to the diapire of interior bucket, drainage mechanism includes:
the plugging assembly is arranged on the bottom wall of the inner barrel, and is movably arranged along the bottom wall of the inner barrel to open and close the water outlet;
the blocking component is movably arranged on the bottom wall of the inner barrel and is used for being matched with the blocking component after the blocking component opens the water outlet, so that the blocking component is positioned to keep the opened state of the water outlet;
the rotary push rod mechanism is arranged on the bottom wall of the outer barrel and used for pushing the plugging assembly away from the water outlet when the plugging assembly opens the water outlet and continuously pushing the plugging assembly to the clamping assembly to be matched with the clamping assembly after the plugging assembly opens the water outlet; and the blocking component is used for pushing the clamping component to separate the clamping component from the blocking component when the blocking component blocks the water outlet, so that the blocking component is reset to close the water outlet;
the plugging assembly further comprises a valve plug, a first spring, a movable rod and a clamping hook, wherein the movable rod is rotatably arranged on the bottom wall of the inner barrel through a first rotating shaft, the valve plug and the clamping hook are arranged on the movable rod and are respectively positioned on two sides of the first rotating shaft, the first end of the first spring is fixed on the bottom wall of the inner barrel, and the second end of the first spring is connected with the movable rod and is positioned between the valve plug and the first rotating shaft;
the clamping assembly comprises a fixed piece, a second spring and a movable switch;
the first end of the second spring is fixed on the bottom wall of the inner barrel, the second end of the second spring is connected with the movable switch, and the movable switch is rotatably arranged on the bottom wall of the inner barrel through a second rotating shaft; the fixing piece is fixed on the bottom wall of the inner barrel and is positioned above the movable switch, the second spring is connected with the movable switch in a stretched state, and the fixing piece is used for blocking the movable switch to keep the stretched state of the second spring and keep the horizontal state of the movable switch when the movable switch is in an initial state;
the movable switch is provided with a clamping structure, after the water outlet is opened, the rotary push rod mechanism pushes the movable rod to the clamping component, and the clamping hook is matched with the clamping structure to realize the positioning of the valve plug; when the water outlet is closed, the rotary push rod mechanism pushes the movable switch to separate the clamping hook from the clamping structure, so that the valve plug is reset to close the water outlet.
2. A drain mechanism for a washing machine as claimed in claim 1, wherein when the drain is open, the rotary push rod mechanism pushes the movable rod to move the valve plug away from the drain, and after the drain is open, the rotary push rod mechanism continues to push the movable rod until the hook engages with the detent assembly.
3. The drain mechanism of a washing machine as claimed in claim 2, wherein the movable switch comprises a base rotatably disposed on a bottom wall of the inner tub through the second rotation shaft, and the fixing member is fixed above the base; the second end of the second spring is connected with the upper end face of the base, the clamping structure comprises a clamping part, and the clamping part is formed by downwards protruding the lower end face of the base;
after the water outlet is opened, the rotary push rod mechanism pushes the movable rod to enable the clamping hook to be hooked on one side of the clamping position part, which is close to the valve plug.
4. The water draining mechanism of a washing machine according to claim 3, wherein the second spring and the clamping portion are arranged in a staggered manner, and the second spring and the clamping portion are respectively located at two sides of the second rotating shaft.
5. The water draining mechanism of washing machine as claimed in claim 4, wherein the blocking structure further comprises a blocking piece and a third spring, wherein one end of the blocking piece is rotatably connected with the second rotating shaft, one side of the blocking portion, which is close to the valve plug, is recessed inwards to form a concave cavity, the first end of the third spring is connected with the blocking piece, and the second end of the third spring is abutted against the bottom wall of the concave cavity;
after the water outlet is opened, the rotary push rod mechanism pushes the movable rod to enable the clamping hook to be hooked on one side of the baffle close to the valve plug.
6. The drain mechanism of a washing machine as claimed in claim 5, wherein the rotary push rod mechanism includes a driving motor and a support rod, the support rod is perpendicular to the bottom wall of the tub, and the driving motor drives the support rod to rotate; a first push rod and a second push rod are sequentially arranged along the length direction of the support rod, and the support rod rotates to drive the first push rod and the second push rod to rotate; the first push rod is used for being matched with the movable rod, and the second push rod is used for being matched with the movable switch.
7. The drain mechanism of a washing machine as claimed in claim 5, wherein the rotary push rod mechanism includes a first driving motor, a second driving motor, and a support rod perpendicular to a bottom wall of the tub; a first push rod and a second push rod are sequentially arranged along the length direction of the support rod, the first driving motor is connected with the first push rod to drive the first push rod to rotate around the support rod, and the second driving motor is connected with the second push rod to drive the second push rod to rotate around the support rod; the first push rod is used for being matched with the movable rod, and the second push rod is used for being matched with the movable switch.
8. The water drain mechanism of a washing machine according to claim 6 or 7, wherein the movable lever is formed with a first engagement position engaged with the first push rod, the movable switch is formed with a second engagement position engaged with the second push rod, the first push rod is at the same height as the first engagement position from the bottom wall of the outer tub, and the second push rod is at the same height as the second engagement position from the bottom wall of the outer tub.
9. The drain mechanism of claim 8, wherein the first engaging portion is formed by extending an end of the movable lever near the hook in a direction of the lever body of the movable lever;
and/or, the second matching position is formed by extending one end, close to the clamping part, of the base along the length direction of the base.
10. The drain mechanism of a washing machine according to claim 1, further comprising a mounting base plate disposed on a bottom wall of the inner tub, the blocking assembly and the detent assembly being disposed on the mounting base plate.
11. A washing machine comprising the drainage mechanism of any one of claims 1-5, 9-10.
12. A control method of a washing machine as claimed in claim 11, wherein,
when the set condition of opening the water outlet is detected to be reached, the inner barrel is controlled to rotate so that the rotary push rod mechanism pushes the blocking assembly away from the water outlet until the blocking assembly is pushed to the clamping assembly to enable the clamping assembly to be matched with the blocking assembly to position the blocking assembly;
when detecting that the set condition of the plugging water outlet is reached, controlling the inner barrel to rotate to enable the rotary push rod mechanism to push the clamping component to separate from the plugging component, enabling the plugging component to reset to close the water outlet, and enabling the plugging component to reset.
13. A washing machine comprising a drain mechanism as claimed in any one of claims 6 to 8.
14. A control method of a washing machine as claimed in claim 13, wherein,
when the condition that the water outlet is opened is detected to be reached, the first push rod is controlled to reach a first set position, the inner barrel is controlled to rotate, and the first push rod pushes the movable rod to enable the valve plug to open the water outlet; when the valve plug opens the water outlet, the inner barrel is continuously controlled to rotate, and when the clamping hook passes over the baffle plate, the inner barrel is controlled to stop rotating;
when the detection reaches the set condition for blocking the water outlet, the second push rod is controlled to reach a second set position, the inner barrel is controlled to rotate, the second push rod pushes the movable switch, and when the clamping hook is separated from the blocking piece, the inner barrel is controlled to stop rotating.
15. A control method of a washing machine as claimed in claim 14, wherein,
the first push rod is controlled to reach a first set position to control the free end of the first push rod to face the central axis of the inner barrel;
and the position where the second push rod reaches the second set position is controlled to control the free end of the second push rod to face the central axis of the inner barrel.
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| CN202110642285.9A CN113308852B (en) | 2021-06-09 | 2021-06-09 | Drainage mechanism of washing machine, washing machine and control method |
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| CN202110642285.9A CN113308852B (en) | 2021-06-09 | 2021-06-09 | Drainage mechanism of washing machine, washing machine and control method |
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