CN113308853A - 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
- CN113308853A CN113308853A CN202110643816.6A CN202110643816A CN113308853A CN 113308853 A CN113308853 A CN 113308853A CN 202110643816 A CN202110643816 A CN 202110643816A CN 113308853 A CN113308853 A CN 113308853A
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- push rod
- water outlet
- rod
- bottom wall
- inner barrel
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- 238000005406 washing Methods 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 230000000903 blocking effect Effects 0.000 claims description 66
- 230000009471 action Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000005299 abrasion Methods 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
- 230000004075 alteration 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
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
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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
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies 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)
- 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 which is rotatably arranged in the outer barrel, a drainage port is arranged on the bottom wall of the inner barrel, the drainage mechanism comprises: the plugging component is arranged on the bottom wall of the inner barrel and movably arranged along the bottom wall of the inner barrel to open and close the water outlet; the clamping component is arranged on the bottom wall of the inner barrel and is used for being matched with the plugging component after the water outlet of the plugging component is opened, 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 used for pushing the plugging assembly away from the water outlet when the water outlet is opened, and pushing the plugging assembly to the position of the clamping assembly to be matched with the clamping assembly after the water outlet is opened; and the water outlet is closed by the plugging component by applying an acting force to the clamping component to separate the clamping component from the plugging component so as to restore the plugging component. The drainage mechanism of the invention does not need to position the drainage outlet 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 peripheral wall of the inner barrel of the existing pulsator washing machine is provided with a plurality of dewatering holes, the inner barrel is communicated with the outer barrel, the inner barrel is a clothes storage 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 really participating in washing is the part of the inner barrel, so that water resource waste is huge, in addition, the excessive water between the inner barrel and the outer barrel can also reduce the concentration of a washing agent, and the washing effect is influenced. Meanwhile, as water flow frequently enters and exits between the inner barrel and the outer barrel, after the continuous use, the area between the side walls of the inner barrel and the outer barrel also forms a space for storing dirt and dirt, and water scale in tap water, free substances of washing powder, cellulose of clothes, organic matters of human bodies, dust and bacteria brought by the clothes are easily remained between the side walls of the inner barrel and the outer barrel. The mold is a problem that a large amount of dirt accumulated in the long-term used washing machine is bred and propagated because the dirt can not be effectively removed, and if the dirt which can not be seen by a user is not cleaned, bacteria can be attached to clothes after next washing to bring to a human body, so that cross infection is caused. At present, a washing machine without water between the inner barrel and the outer barrel is provided, so that the problem of dirt storage and dirt collection between the inner barrel and the outer barrel is effectively solved. Because the drainage port of the washing machine without water in the barrel is arranged at the bottom of the inner barrel, the structure and the arrangement position of the valve plug mechanism for plugging the drainage port influence the tightness of the drainage port, the valve plug mechanism of the existing washing machine without water in the barrel is arranged on the outer barrel, the drainage port of the inner barrel needs to be positioned during drainage, and the problems of inaccurate positioning of the drainage port and abrasion of positioning and locking are easy to occur.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a drainage mechanism, a washing machine and a control method which do not need to position a drainage outlet during drainage.
In order to solve the technical problems, the invention provides a drainage mechanism of a washing machine, the washing machine and a control method.
A first object of the present invention is to provide a drainage mechanism of a washing machine, the washing machine includes an outer tub and an inner tub rotatably disposed in the outer tub, a drainage port is opened on a bottom wall of the inner tub, the drainage mechanism includes:
the plugging component is arranged on the bottom wall of the inner barrel and movably arranged along the bottom wall of the inner barrel to open and close the water outlet;
the clamping component is arranged on the bottom wall of the inner barrel and is used for being matched with the blocking component after the water outlet is opened by the blocking component, so that the blocking 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 used for pushing the plugging assembly away from the water outlet when the water outlet is opened by the plugging assembly, and pushing the plugging assembly to a clamping assembly to be matched with the clamping assembly after the water outlet is opened by the plugging assembly; and the water outlet is closed by the blocking component by applying force to the blocking component when the blocking component blocks the water outlet so as to separate the blocking component from the blocking component and restore the blocking component.
Further optionally, the plugging assembly includes a valve plug, a spring, a movable rod and a hook, the valve plug is used for plugging the water outlet, the movable rod is rotatably disposed on the bottom wall of the inner barrel through a rotating shaft, the valve plug and the hook are disposed on the movable rod and respectively located at two sides of the rotating shaft, a first end of the spring is fixed on the bottom wall of the inner barrel, and a second end of the spring is connected to the movable rod and located between the valve plug and the rotating shaft;
when the shutoff subassembly was opened during the outlet, rotatory push rod mechanism promoted the movable rod makes the valve plug moves away the outlet, the valve plug is opened behind the outlet, rotatory push rod mechanism continues to promote the movable rod until the pothook with the cooperation of screens subassembly.
Further optionally, the clamping component is a spring button, the spring button comprises a fixing part and a pressing part, the fixing part is arranged on the bottom wall of the inner barrel, the pressing part is telescopically arranged in the fixing part, the pressing part protrudes out of the fixing part in a natural state and is hidden in the fixing part in a pressing state; an inclined surface is formed on the pressing part and is positioned on one side, facing the rotary push rod mechanism, of the pressing part;
after the valve plug opens the water outlet, the rotating push rod mechanism pushes the movable rod to enable the clamping hook to press the pressing part downwards from the inclined surface and then cross the pressing part, and after the pressing part returns to a natural state, the clamping hook is hooked on one side of the pressing part, which is far away from the inclined surface; when the valve plug blocks the water outlet, the rotary push rod mechanism presses the pressing part downwards along the inclined surface until the clamping hook crosses the pressing part, and the valve plug is reset under the action of the spring to block the water outlet.
Further optionally, the rotating 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 pressing part.
Further optionally, the rotating push rod assembly includes a first driving motor, a second driving motor and a support rod, and the support rod is perpendicular to the bottom wall of the outer tub; a first push rod and a second push rod are sequentially arranged along the length direction of the support rod, the first drive motor is connected with the first push rod to drive the first push rod to rotate around the support rod, and the second drive 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 pressing part.
Further optionally, a matching position matched with the first push rod is formed on the movable rod, the height of the first push rod from the bottom wall of the outer tub is the same as the height of the matching position from the bottom wall of the outer tub, and the height of the second push rod from the bottom wall of the outer tub is the same as the height of the lowest point of the inclined surface from the bottom wall of the outer tub.
Further optionally, the matching position is formed by extending one end of the movable rod close to the hook along the rod direction of the movable rod.
The second purpose of the invention is to provide a washing machine, which comprises the drainage mechanism.
A third object of the present invention is to provide a control method of a washing machine,
when the condition that the water outlet is opened 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 water outlet; when the valve plug opens the water outlet, the inner barrel is continuously controlled to rotate, and when the hook crosses the pressing part under the pushing action of the first push rod, the inner barrel is controlled to stop rotating, and the first push rod is controlled to leave the first set position;
when the set condition of plugging the water outlet is detected, the second push rod is controlled to reach a second set position, the inner barrel is controlled to rotate, the second push rod presses the pressing part downwards, the clamping hook passes over the pressing part and then is controlled to stop rotating, and the second push rod is controlled to leave the second set position.
In a further alternative,
the position for controlling the first push rod to reach the first set position is used for controlling the free end of the first push rod to face the central axis of the inner barrel;
the position for controlling the second push rod to reach the second set position is used for controlling the free end of the second push rod to face the central axis of the inner barrel.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the drainage mechanism of the invention 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 row rotary push rod component at a fixed position to open the drainage outlet, and locks the drainage state through the clamping component, the sealing performance of the mechanism is good, and the water leakage of the outer barrel is avoided.
3. The drainage mechanism of the invention utilizes the rotation of the inner barrel to contact with the rotary push rod component at a fixed position to plug the drainage outlet, and locks the water sealing state through the clamping component.
4. The drainage mechanism has the advantages of simple structure, convenience in installation and control and small occupied space.
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: the water discharge mechanism is a matching schematic diagram of a blocking component and a rotating push rod component when a water discharge port is in a blocking state;
FIG. 2: is a top view of fig. 1;
FIG. 3: the invention is a matching schematic diagram of a blocking component and a rotating push rod component when a water outlet is opened by the water draining mechanism of the embodiment of the invention; (ii) a
Figures 4 and 5 are top views of figure 3 at various stages of opening the drain opening;
FIG. 6: the water discharging mechanism is a matching schematic diagram of a blocking component and a rotating push rod component when a water discharging valve is positioned after a water discharging port is opened;
FIG. 7: is a top view of fig. 6;
FIG. 8: the invention is a matching schematic diagram of a blocking component and a rotating push rod component when the drainage mechanism blocks a drainage outlet;
FIG. 9: is a top view of fig. 8;
FIG. 10: is a schematic structural diagram of a plugging component of the drainage mechanism of the embodiment of the invention;
fig. 11 to fig. 13: is a schematic structural diagram of different implementation modes of a clamping component of the drainage mechanism of the embodiment of the invention;
FIG. 14: the assembly of the plugging component and the clamping component of the drainage mechanism of the embodiment on the mounting base is shown schematically.
Wherein:
10-a water outlet; 20-a plugging component; 30-a rotating push rod assembly; 40-a detent assembly; 50-inner barrel; 60-outer barrel; 70-outer barrel drain hole; 21-a valve plug; 22-a first spring; 23-a movable rod; 24-a first shaft; 25-a first mating location; 26-hook; 27-a first fixing bar; 31-a support bar; 32-a first push rod; 33-a second push rod; 411-a second spring; 412-a capture portion; 413-a fixture; 414-a second shaft; 415-a third spring; 416-a baffle plate; 417 — second mating bit; 418-a base; 419-a second fixing bar; 421-a pressing part; 422-a fixed part; 423 pressing spring; 424-inclined plane; 80-a mounting substrate; 81-fixed orifices.
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 the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, 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," "contacting," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; 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.
The present embodiment discloses a drainage device of a washing machine, as shown in fig. 1-14, the washing machine of the present embodiment is selected from an inter-tub waterless washing machine or an out-tub 70 washing machine, and includes an outer tub 701 and an inner tub 50 rotatably disposed in the outer tub 701, the outer tub 701 of the present embodiment may be the outer tub 70 of a conventional washing machine, and may also be a water collection device disposed outside the inner tub 50. The bottom wall of the inner barrel 50 is provided with a water discharge opening 10, and the water discharge mechanism comprises a plugging component 20, a clamping component 40 and a rotary push rod component 30: the plugging component 20 is arranged on the bottom wall of the inner barrel 50 and can be movably arranged along the bottom wall of the inner barrel 50 to open and close the water outlet 10; the blocking component 40 is arranged on the bottom wall of the inner barrel 50 and is used for being matched with the blocking component 20 after the water outlet 10 is opened by the blocking component 20, so that the blocking component 20 is positioned to keep the open state of the water outlet 10; the rotary push rod assembly 30 is arranged on the bottom wall of the outer barrel 70 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 pushing the plugging assembly 20 to the position of the clamping assembly 40 to be matched with the clamping assembly 40 after the plugging assembly 20 opens the water outlet 10; and for applying a force to the detent assembly 40 to separate the detent assembly 40 from the closure assembly 20 when the closure assembly 20 closes the drain opening 10, to reposition the closure assembly 20 to close the drain opening 10. It should be noted that the bottom wall of the inner barrel 50 of the present embodiment is the outer wall of the bottom of the inner barrel 50, and the bottom wall of the outer barrel 70 is the inner wall of the bottom of the outer barrel 70.
The drainage mechanism of the embodiment has the advantages of no positioning of the drainage port 10, no blocking phenomenon, simple structure and convenient installation.
As shown in fig. 10, the plugging assembly 20 includes a valve plug 21, a first spring 22, a movable rod 23 and a hook 26, the valve plug 21 is used for plugging the water outlet 10, 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 respectively located at 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 to the movable rod 23 and located between the valve plug 21 and the first rotating shaft 24; the first end of the first spring 22 may be disposed on the bottom wall of the inner tub 50, or a first fixing rod 27 may be disposed on the bottom of the inner tub 50, and the first end of the first spring 22 is connected to the first fixing rod 27. When the plugging assembly 20 opens the drain opening 10, the movable rod 23 is pushed by the rotary push rod mechanism to move the valve plug 21 away from the drain opening 10, and after the valve plug 21 opens the drain opening 10, the movable rod 23 is pushed by the rotary push rod mechanism until the hook 26 is engaged with the blocking assembly 40. The movable rod 23 is connected and tensioned by a spring, the valve plug 21 is combined with the movable rod 23 and locked at the water outlet of the inner barrel 50 of the washing machine, and the water outlet 10 is closed.
The detent assembly 40 has a variety of configurations that accomplish the objectives of the present invention, which will be described in detail below with respect to various configurations of the detent assembly 40.
As shown in fig. 11 and 12, one possible implementation of the card assembly is: the clamping component 40 is a spring button, the spring button comprises a fixing part 422 and a pressing part 421, the fixing part 422 is arranged on the bottom wall of the inner barrel 50, the pressing part 421 is telescopically arranged in the fixing part 422 through a pressing spring 423, the pressing part 421 protrudes out of the fixing part 422 in a natural state, and is hidden in the fixing part 422 in a pressing state; the pressing part 421 is formed with an inclined surface 424, the inclined surface 424 is located at one side of the pressing part 421 facing the rotating push rod mechanism, after the valve plug 21 opens the water outlet 10, the rotating push rod mechanism pushes the movable rod 23 to make the hook 26 press the pressing part 421 from the inclined surface 424 and then cross the pressing part 421, after the pressing part 421 returns to the natural state, the hook 26 is hooked at one side of the pressing part 421 away from the inclined surface 424, and the position of the valve plug 21 is locked; when the valve plug 21 closes the drain opening 10, the push rod mechanism is rotated to push the pressing portion 421 down along the inclined surface 424 until the hook 26 passes over the pressing portion 421, and the valve plug 21 is returned by the spring to close the drain opening 10.
Further alternatively, as shown in fig. 1-9, the rotating push rod assembly 30 includes a driving motor and a supporting rod 31, the supporting rod 31 is perpendicular to the bottom wall of the outer tub 70, and the driving motor drives the supporting rod 31 to rotate; 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 used for cooperating with the movable rod 23, and the second push rod 33 is used for cooperating with the pressing portion 421. Alternatively, the first push rod 32 and the second push rod 33 are respectively disposed perpendicular to the support rod 31. 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, and 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 to enable the hook 26 to be hooked on the pressing part 421; when the water outlet 10 is closed, the second push rod 33 rotates to a second set position, when the inner barrel 50 rotates, the second push rod 33 exerts force on the pressing part 421 to press the pressing part 421 downwards to separate the hook 26 from the pressing part 421, and the valve plug 21 resets to close the water outlet 10. The inner tub 50 rotates in the same direction when the drain port 10 is opened and closed, and both rotate toward a direction close to the first push rod 32 or the second push rod 33.
Further alternatively, the rotating push rod assembly 30 includes a first driving motor, a second driving motor and a supporting rod 31, the supporting rod 31 is perpendicular to the bottom wall of the outer tub 70; 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 used for cooperating with the movable rod 23, and the second push rod 33 is used for cooperating with the pressing portion 421. Alternatively, the first push rod 32 and the second push rod 33 are respectively disposed perpendicular to the support rod 31. 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, and 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 to enable the hook 26 to be hooked on the pressing part 421; when the water outlet 10 is closed, the second push rod 33 rotates to a second set position, when the inner barrel 50 rotates, the pressing part 421 is pressed down by applying force to the pressing part 421, so that the hook 26 is separated from the pressing part 421, and the valve plug 21 is reset to close the water outlet 10. The inner tub 50 rotates in the same direction when the drain port 10 is opened and closed, and both rotate toward a direction close to the first push rod 32 or the second push rod 33.
Further alternatively, as shown in fig. 1 to 9, the movable rod 23 is formed with a matching position matching with the first push rod 32, the height of the first push rod 32 from the bottom wall of the outer tub 70 is the same as the height of the matching position from the bottom wall of the outer tub 70, and the height of the second push rod 33 from the bottom wall of the outer tub 70 is the same as the height of the lowest point of the inclined surface 424 from the bottom wall of the outer tub 70. Alternatively, the engagement position is formed by extending the end of the movable lever 23 near the hook 26 in the shaft direction of the movable lever 23.
As shown in fig. 11 and 12, the locking member 40 is a spring button which is protruded in a natural state, and can be pressed down by applying an external force, and the external force is removed to restore the protrusion. When the water outlet 10 is opened, the inner barrel 50 rotates to drive the blocking component 20 to rotate, the hook 26 of the blocking component 20 can reach the other side of the pressing part 421 from one side of the pressing part 421 under the action of the first push rod 32, the pressing part 421 is pressed to recover, and after the hook 26 is clamped to one side of the pressing part 421 deviating from the inclined surface 424, the pressing part 421 recovers to bulge and is kept in the position state, so that the valve plug 21 is positioned. When the water outlet 10 is closed, the inner barrel 50 rotates, the pressing portion 421 is pressed again by the second push rod 33, and the valve plug 21 can escape from the blocking component 40 at the moment when the pressing portion 421 is pressed, so that the valve plug 21 is reset to block the water outlet 10.
Another possible embodiment of the detent assembly 40 is: as shown in fig. 13, the detent assembly 40 includes a fixed member 413, a second spring 411, and a movable switch; a first end of the second spring 411 is fixed on the bottom wall of the inner barrel 50, a 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 a second fixing rod 419 may be disposed at the bottom wall of the inner tub 50, and the first end of the second spring 411 is connected to the second fixing rod 419. The fixing member 413 is fixed on the bottom wall of the inner tub 50 and located above the movable switch, the second spring 411 is connected to the movable switch in a stretched state, and the fixing member 413 is used for blocking the movable switch to maintain the stretched state of the second spring 411 when the movable switch is in an initial state and to maintain the horizontal state of the movable switch; the movable switch is formed with a position-locking structure, after the water outlet 10 is opened, the rotating push rod component 30 pushes the movable rod 23 to the position-locking component 40, and the valve plug 21 is positioned by the matching of the hook 26 and the position-locking structure.
Further optionally, the movable switch comprises a base 418, the base 418 is rotatably disposed on the bottom wall of the inner barrel 50 through the second rotating shaft 414, and the fixing member 413 is fixed above the base 418; the second end of the second spring 411 is connected to the upper end surface of the base 418, the locking structure includes a locking portion 412, and the locking portion 412 is formed by downward protruding from the lower end surface of the base 418; after the water outlet 10 is opened, the movable rod 23 is pushed by rotating the push rod mechanism to hook the hook 26 at the side of the hook part 412 close to the valve plug 21. Optionally, the second spring 411 and the locking portion 412 are disposed in a staggered manner, and the second spring 411 and the locking portion 412 are respectively located at two sides of the second rotating shaft 414.
Further optionally, the locking structure further includes a blocking piece 416 and a third spring 415, one end of the blocking piece 416 is rotatably connected to the second rotating shaft 414, one side of the locking portion 412 close to the valve plug 21 is recessed inwards to form a cavity, a first end of the third spring 415 is connected to the blocking piece 416, and a second end of the third spring 415 abuts against a bottom wall of the cavity; the clamping portion 412 is connected and tensioned by a second spring 411 and a second fixing rod 419, and is limited at the fixing member 413. Alternatively, the free end of the blocking piece 416 protrudes out of the clamping part 412, and after the water outlet 10 is opened, the movable rod 23 is pushed by the rotary push rod mechanism to make the hook 26 hook on the side of the blocking piece 416 close to the valve plug 21. The free end of the blocking piece 416 is the end of the blocking piece 416 away from the second rotating shaft 414.
When the drainage port 10 is opened, the inner tub 50 of the washing machine rotates to drive the blocking assembly 20 to rotate, and the rotating push rod mechanism is arranged at the bottom of the outer tub 70, 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 poking the movable rod 23 by external force. The hook 26 is connected with the movable rod 23, rotates to the position of the blocking component 40, pushes the blocking piece 416 open, enables the blocking piece 416 to move backwards, under the mechanical selection 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 withdraws, the blocking piece 416 is reset by 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, at this time, 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 view of the plugging assembly 20 being locked and unlocked by the locking assembly 40 to open the valve plug 21. Meanwhile, the positioning state of the hook 26 is more stable under the elastic force exerted by the first spring 22 on the hook 26 and the elastic force exerted by the third spring 415 on the blocking piece 416. When the water outlet 10 is closed, the rotary push rod assembly 30 pushes the movable switch to separate the hook 26 from the blocking structure, so that the valve plug 21 is reset to close the water outlet 10.
The clamping component can be further implemented as follows: the screens subassembly is including setting up the first magnet at the bottom of the barrel including, be equipped with the second magnet opposite with the magnetism of the first magnet of card on the movable rod of the shutoff subassembly that corresponds, the couple is saved to the movable rod of shutoff subassembly, the movable rod extends along outer barrel bottom direction and forms and rotatory push rod mechanism complex branch, when outlet 10 is opened to needs, barrel 50 rotates in the washing machine, it is rotatory to drive the shutoff subassembly, set up rotatory push rod mechanism in the outer barrel bottom, can make branch make movable rod 23 rotatory around first pivot 24 because of blockking of first push rod, stir movable rod 23 with external force in other words. When the washing machine rotates to the position of the blocking component 40, the first magnet of the blocking component and the second magnet on the movable rod are attracted together by the magnetic attraction, at the moment, the valve plug 21 is far away from the water outlet 10 of the inner tub 50 of the washing machine, and the washing machine drains water. When the water outlet 10 is closed, the second push rod of the rotary push rod mechanism rotates to the position of the support rod, the inner barrel 50 rotates, the support rod enables the movable rod 23 to rotate around the first rotating shaft 24 reversely due to the blocking of the second push rod, the movable rod 23 is separated from the clamping component, and the valve plug 21 is reset under the action of the first spring 22 to seal the water outlet 10.
One possible way to implement the rotary push rod assembly 30 is: as shown in fig. 1 to 9, the device comprises a driving motor and a supporting rod 31, wherein the supporting rod 31 is perpendicular to the bottom wall of the outer tub 70, and the driving motor drives the supporting rod 31 to rotate; the motor shaft rotation of the driving motor can change the positions of the first push rod 32 and the second push rod 33, so that different push rods respectively contact with the plugging component 20 and the clamping component 40 to perform water drainage or water 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 respectively disposed perpendicular to the support rod 31. 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 first push rod 32 pushes the movable rod 23 to separate the valve plug 21 from the water outlet 10, and 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 to make the hook 26 hook on the clamping structure; when the water outlet 10 is closed, the second push rod 33 rotates to a second set position, when the inner barrel 50 rotates, the movable switch is pushed to the second push rod 33 to separate the hook 26 from the blocking structure, and the valve plug 21 resets to block the water outlet 10. The inner tub 50 rotates in the same direction when the drain port 10 is opened and closed, and both rotate toward a direction close to the first push rod 32 or the second push rod 33.
As shown in fig. 1 and 2, in the washing machine of the present embodiment, the valve plug 21 is tightly fitted to the drain opening 10 of the inner tub 50 due to the elastic force of the first spring 22 in the state where the drain opening 10 is closed. When washing, the water outlet of the inner barrel 50 is sealed by the valve plug 21, water is stored in the inner barrel 50, only the inner barrel 50 has water, and no water exists between the inner barrel 50 and the outer barrel 70, so that water is saved.
The inner tub 50 is in a water-storing state, and the rotary push-rod mechanism is not operated, and is positioned as shown in fig. 1 and 2. At this time, the valve plug 21 is tightly fitted with the water discharge hole 10 of the inner tub 50 due to the elastic force of the first spring 22, the water discharge hole 10 of the inner tub 50 is sealed by the valve plug 21, the water discharge is closed, and the water in the inner tub 50 can be stored.
After the washing machine washes or rinses, the inner tub 50 is ready for draining. As shown in fig. 3-5, the action of the rotary push rod assembly 30 causes the first push rod 32 to reach a water discharge designated position. Then the motor rotates the inner barrel 50, the movable rod 23 contacts with the first push rod 32, and the first push rod 32 is a fixed obstacle, and the movable rod 23 is pushed to open the valve plug 21. Finally, the movable rod 23 reaches the movable switch, the hook 26 on the movable rod 23 is clamped by the stop piece 416 of the movable switch, and the valve plug 21 is opened all the time and is far away from the water outlet 10. As shown in fig. 6 and 7, the plugging 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 washing or rinsing, the inner tub 50 is ready for water inlet, the plugging assembly 20 is clamped by the clamping assembly 40, and the water sealing push rod reaches the water sealing designated position by rotating the push rod mechanism, as shown in fig. 6 and 7. Then the motor rotates the inner barrel 50, the movable switch contacts with the second push rod 33, at this time, the second push rod 33 is a fixed obstacle, the blocking component 40 is pushed, the movable switch is opened, and the hook 26 is separated from the blocking piece 416 on the movable switch, as shown in fig. 8 and fig. 9. The valve plug 21 is restored to be tightly matched with the water outlet 10 of the inner barrel 50 by the elastic force of the first spring 22, the water outlet 10 of the inner barrel 50 is sealed by the valve plug 21, the water is drained off, and the water can be stored in the inner barrel 50.
Further alternatively, another way in which the rotary push rod assembly 30 may be implemented is: comprises a first driving motor, a second driving motor and a support rod 31, wherein the support rod 31 is vertical to the bottom wall of the outer barrel 70; 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 respectively disposed perpendicular to the support rod 31. 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 first push rod 32 pushes the movable rod 23 to separate the valve plug 21 from the water outlet 10, and 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 to make the hook 26 hook on the clamping structure; when the water outlet 10 is closed, the second push rod 33 rotates to a second set position, when the inner barrel 50 rotates, the movable switch is pushed to the second push rod 33 to separate the hook 26 from the blocking structure, and the valve plug 21 resets to block the water outlet 10. The inner tub 50 rotates in the same direction when the drain port 10 is opened and closed, and both rotate toward a direction close to the first push rod 32 or the second push rod 33.
Further alternatively, as shown in fig. 1 to 10, a first engaging position 25 engaged with the first push rod 32 is formed on the movable rod 23, a second engaging position 417 engaged with the second push rod 33 is formed on the movable switch, a height of the first push rod 32 from the bottom wall of the outer tub 70 is the same as a height of the first engaging position 25 from the bottom wall of the outer tub 70, and a height of the second push rod 33 from the bottom wall of the outer tub 70 is the same as a height of the second engaging position 417 from the bottom wall of the outer tub 70. Optionally, the first matching position 25 is formed by extending one end of the movable rod 23 close to the hook 26 in the shaft direction of the movable rod 23; and/or the second mating portion 417 is formed by extending an end of the base 418 close to the positioning portion 412 along a length direction of the base 418.
Further alternatively, as shown in fig. 14, the drainage mechanism further includes a mounting substrate 80, the mounting substrate 80 is disposed on the bottom wall of the inner barrel 50, and the plugging component 20 and the detent component 40 are disposed on the mounting substrate 80. Wherein the mounting substrate 80 includes a plurality of screw fixing holes 81; the mounting substrate 80 is mounted under the inner barrel 50 of the washing machine, the plugging component 20 and the clamping component 40 are mounted on the mounting substrate 80, the setting positions of the plugging component 20 and the clamping component 40 are set in advance on the mounting substrate 80, then the plugging component 20 and the clamping component 40 are assembled on the mounting substrate 80 according to the set positions, and finally the mounting is basically assembled under the inner barrel 50, so that the plugging component 20 and the clamping component 40 can be integrally mounted, and the assembly efficiency is improved.
The embodiment also discloses a washing machine which is provided with the drainage mechanism.
The embodiment also discloses a control method of the washing machine,
when the set condition of opening the water discharge opening 10 is detected to be reached, 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 discharge opening 10 until the plugging assembly 20 is pushed to the position of the blocking assembly 40, so that the blocking assembly 20 is matched with the blocking assembly 40 to position the plugging assembly 20; the set condition for opening the drain port 10 is when the washing machine needs to drain water, such as wash drain, rinse drain, or spin-dry.
When the set condition for plugging the water outlet 10 is detected to be reached, the inner barrel 50 is controlled to rotate, so that the rotary push rod assembly 30 applies acting force to the blocking assembly 40 to separate the blocking assembly 40 from the plugging assembly 20, and the plugging assembly 20 is reset. The set condition for blocking the water discharge opening 10 is that when the washing machine needs to enter water, for example, washing water inlet, rinsing water inlet or dewatering is completed, and the washing is finished.
The present embodiment also proposes a control method of a washing machine,
when the set condition of opening the water outlet 10 is detected to be reached, the first push rod 32 is controlled to reach a first set 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 continuously controlled to rotate, when the hook 26 passes over the pressing part 421 under the pushing action of the first push rod 32, the inner barrel 50 is controlled to stop rotating, and the first push rod 32 is controlled to leave the first set position;
when the set condition for sealing 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 presses the pressing part 421, the inner barrel 50 is controlled to stop rotating after the hook 26 passes over the pressing part 421, and the second push rod 33 is controlled to leave the second set position.
Further optionally, 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 barrel 50; the second push rod 33 is controlled to reach the second set position to control the free end of the second push rod 33 to face the central axis of the inner barrel 50. The free end of the first push rod 32 is the end of the first push rod 32 away from the support rod 31, and the free end of the second push rod 33 is the end of the second push rod 33 away from the support rod 31.
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 (10)
1. A drainage mechanism of a washing machine is characterized in that the washing machine comprises an outer barrel and an inner barrel rotatably arranged in the outer barrel, a drainage port is formed in the bottom wall of the inner barrel, and the drainage mechanism comprises:
the plugging component is arranged on the bottom wall of the inner barrel and movably arranged along the bottom wall of the inner barrel to open and close the water outlet;
the clamping component is arranged on the bottom wall of the inner barrel and is used for being matched with the blocking component after the water outlet is opened by the blocking component, so that the blocking 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 used for pushing the plugging assembly away from the water outlet when the water outlet is opened by the plugging assembly, and pushing the plugging assembly to a clamping assembly to be matched with the clamping assembly after the water outlet is opened by the plugging assembly; and the water outlet is closed by the blocking component by applying force to the blocking component when the blocking component blocks the water outlet so as to separate the blocking component from the blocking component and restore the blocking component.
2. The drain mechanism of a washing machine as claimed in claim 1, wherein the plugging member comprises a valve plug, a spring, a movable rod and a hook, the valve plug is used for plugging the drain opening, the movable rod is rotatably disposed on the bottom wall of the inner tub through a rotating shaft, the valve plug and the hook are disposed on the movable rod and respectively located at two sides of the rotating shaft, a first end of the spring is fixed on the bottom wall of the inner tub, and a second end of the spring is connected with the movable rod and located between the valve plug and the rotating shaft;
when the shutoff subassembly was opened during the outlet, rotatory push rod mechanism promoted the movable rod makes the valve plug moves away the outlet, the valve plug is opened behind the outlet, rotatory push rod mechanism continues to promote the movable rod until the pothook with the cooperation of screens subassembly.
3. The drain mechanism of a washing machine as claimed in claim 2, wherein the locking member is a spring button, the spring button includes a fixing portion and a pressing portion, the fixing portion is disposed on the bottom wall of the inner tub, the pressing portion is telescopically disposed in the fixing portion, the pressing portion protrudes from the fixing portion in a natural state and is hidden in the fixing portion in a pressed state; an inclined surface is formed on the pressing part and is positioned on one side, facing the rotary push rod mechanism, of the pressing part;
after the valve plug opens the water outlet, the rotating push rod mechanism pushes the movable rod to enable the clamping hook to press the pressing part downwards from the inclined surface and then cross the pressing part, and after the pressing part returns to a natural state, the clamping hook is hooked on one side of the pressing part, which is far away from the inclined surface; when the valve plug blocks the water outlet, the rotary push rod mechanism presses the pressing part downwards along the inclined surface until the clamping hook crosses the pressing part, and the valve plug is reset under the action of the spring to block the water outlet.
4. A drain mechanism of a washing machine as claimed in claim 3, wherein the rotary push rod assembly includes a driving motor and a support rod, the support rod is perpendicular to the bottom wall of the outer 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 pressing part.
5. A drain mechanism of a washing machine as claimed in claim 3, wherein the rotary push rod assembly includes a first driving motor, a second driving motor and a support rod, the support rod is perpendicular to the bottom wall of the outer tub; a first push rod and a second push rod are sequentially arranged along the length direction of the support rod, the first drive motor is connected with the first push rod to drive the first push rod to rotate around the support rod, and the second drive 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 pressing part.
6. The drain mechanism of a washing machine as claimed in claim 5, wherein the movable rod is formed with a fitting position for fitting with the first push rod, the height of the first push rod from the bottom wall of the outer tub is the same as the height of the fitting position from the bottom wall of the outer tub, and the height of the second push rod from the bottom wall of the outer tub is the same as the height of the lowest point of the inclined surface from the bottom wall of the outer tub.
7. The drain mechanism of claim 6, wherein the engagement position is formed by extending an end of the movable rod near the hook along a direction of the rod body of the movable rod.
8. A washing machine characterized in that it comprises a drainage mechanism according to any one of claims 4 to 7.
9. A control method of a washing machine according to claim 8,
when the condition that the water outlet is opened 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 water outlet; when the valve plug opens the water outlet, the inner barrel is continuously controlled to rotate, and when the hook crosses the pressing part under the pushing action of the first push rod, the inner barrel is controlled to stop rotating, and the first push rod is controlled to leave the first set position;
when the set condition of plugging the water outlet is detected, the second push rod is controlled to reach a second set position, the inner barrel is controlled to rotate, the second push rod presses the pressing part downwards, the clamping hook passes over the pressing part and then is controlled to stop rotating, and the second push rod is controlled to leave the second set position.
10. The control method of a washing machine according to claim 9,
the position for controlling the first push rod to reach the first set position is used for controlling the free end of the first push rod to face the central axis of the inner barrel;
the position for controlling the second push rod to reach the second set position is used for controlling the free end of the second push rod to face the central axis of the inner barrel.
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| CN202110643816.6A CN113308853B (en) | 2021-06-09 | 2021-06-09 | Drainage mechanism of washing machine, washing machine and control method |
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| CN202110643816.6A CN113308853B (en) | 2021-06-09 | 2021-06-09 | Drainage mechanism of washing machine, washing machine and control method |
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