CN110904634A - Washing machine drainage control mechanism and washing machine - Google Patents
Washing machine drainage control mechanism and washing machine Download PDFInfo
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- CN110904634A CN110904634A CN201811080068.XA CN201811080068A CN110904634A CN 110904634 A CN110904634 A CN 110904634A CN 201811080068 A CN201811080068 A CN 201811080068A CN 110904634 A CN110904634 A CN 110904634A
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- valve plug
- control mechanism
- crank
- washing machine
- drainage control
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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
- D06F39/081—Safety arrangements for preventing water damage
- D06F39/082—Safety arrangements for preventing water damage detecting faulty draining operations, e.g. filter blockage, faulty pump
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention belongs to the technical field of washing machines, and particularly relates to a drainage control mechanism of a washing machine. The drainage control mechanism of the washing machine is provided with a structure for detecting the reset state of the valve plug, so that the valve plug is ensured to retract in place and then the inner barrel is rotated for dewatering, and the faults that the valve plug is worn or otherwise damaged by the rotation of the inner barrel when the valve plug is not retracted in place or is not retracted in time, and the water inlet of the washing machine is not continuous or abnormal and the like are avoided. The invention also provides a washing machine provided with the drainage control mechanism.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a washing machine drainage control mechanism and a washing machine.
Background
In the existing impeller type washing machine, the inner barrel is communicated with the inner barrel and the outer barrel through water permeable holes, the inner barrel is a washing barrel, the outer barrel is a water containing barrel, the water filled between the inner barrel and the side wall of the outer barrel does not participate in washing, the water really participating in washing is only the part in the inner barrel, so that the waste of water resources is large, and in addition, the concentration of a washing agent/washing powder in washing liquid can be reduced due to excessive water between the inner barrel and the outer barrel. 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.
When the washing machine is used for dewatering, the valve plug of the drain valve retracts, and the inner barrel rotates to spin water. At this moment, if the valve plug withdrawal became invalid or the withdrawal was untimely, when interior bucket rotated, the valve plug can be damaged, and washing machine the unfavorable condition such as the incessant, abnormal sound of intaking appears thereupon, and it is inconvenient to use to bring for the user.
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 control mechanism of a washing machine and the washing machine.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a washing machine drainage control mechanism, interior barrel head portion is equipped with the outlet, and drainage control mechanism installs in outer barrel head portion, and including the valve plug of telescopic motion in order to control the outlet switching from top to bottom, drainage control mechanism is equipped with the detection structure that detects the valve plug reset state to detect the valve plug and reset back control interior barrel and begin to dewater and rotate.
In one embodiment of the present invention, the drain control mechanism has a position switch at a position corresponding to the reset position of the valve plug, the valve plug resets and triggers the position switch, and the washing machine receives a signal sent by the position switch to control the inner tub to drain water.
As an embodiment of the present invention, the drainage control mechanism includes a crank-link structure, a lower end of the valve plug is connected to a link of the crank-link structure, the crank is connected to a rotating electrical machine, the rotating electrical machine is disposed in the housing, and the crank is provided with a trigger structure for triggering the position switch.
In one embodiment of the present invention, the position switch is a contact switch, the trigger structure is a protrusion structure provided on the crank, the contact switch is fixedly provided on the housing, and the contact of the contact switch faces the protrusion structure.
As an embodiment of the present invention, the protruding structure is integrally formed with the crank, or is separately disposed and fixedly connected;
preferably, the protrusion structure is a semicircular protrusion integrally formed on the surface of the crank, and the highest point of the semicircular protrusion is abutted against the contact of the contact switch when the valve plug is reset.
In one embodiment of the present invention, the crank is an eccentric wheel, an eccentric shaft of the eccentric wheel is hinged to the connecting rod, a rotating motor is connected to the center of the eccentric wheel, the eccentric wheel and the rotating motor are concentrically arranged, and the protrusion structure is arranged on the peripheral wall of the eccentric wheel.
As an embodiment of the present invention, the position switch is an inductive switch, the trigger structure is a signal emitting portion, the signal emitting portion is disposed on the crank and moves along with the crank, the inductive switch is fixedly disposed on the housing, and the inductive portion of the inductive switch faces the crank.
In one embodiment of the present invention, the signal emitting unit is a magnetic signal or photoelectric signal or microwave signal emitting unit, and the sensing unit of the inductive switch is a magnetic signal or photoelectric signal or microwave signal receiving unit.
As an embodiment of the invention, the valve plug comprises a telescopic valve rod and a sealing sleeve which is sleeved on the valve rod and can be stretched along with the stretching of the valve rod, and the lower end of the valve rod is connected with the connecting rod.
As an embodiment of the invention, the connecting rod comprises a connecting arm, a first spring and a sliding block, one end of the first spring is fixed with the connecting arm, the other end of the first spring is fixed with the sliding block, the sliding block is connected with the connecting arm in a sliding mode, one end, fixed with the first spring, of the connecting arm is hinged with the valve plug, and one end, provided with the sliding block, of the connecting arm is hinged with the crank through the sliding block.
Another object of the present invention is to provide a washing machine provided with a drainage control mechanism of the washing machine according to any one of the above.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the drainage control mechanism of the washing machine is provided with a structure for detecting the reset state of the valve plug, so that the valve plug is ensured to retract in place and then the inner barrel is rotated for dewatering, and the faults that the valve plug is worn or otherwise damaged by the rotation of the inner barrel when the valve plug is not retracted in place or is not retracted in time, and the water inlet of the washing machine is not continuous or abnormal and the like are avoided.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view illustrating a structure of a washing machine according to the present invention;
FIG. 2 is a schematic view of a drain control structure of the washing machine according to the present invention;
FIG. 3 is a schematic view of a valve plug of a drain control structure of a washing machine according to the present invention in a reset state;
FIG. 4 is a schematic view of a valve plug of a drain control structure of a washing machine according to the present invention in a non-reset state;
FIG. 5 is a schematic view of a drain control structure of the washing machine according to the present invention;
FIG. 6 is a sectional view of a drain control structure of the washing machine according to the present invention;
FIG. 7 is an enlarged view at A in FIG. 5;
FIG. 8 is an enlarged view at A in FIG. 5;
fig. 9 is a partial structural schematic view of a drainage control structure of a washing machine according to the present invention.
The figure is marked with: 100. an inner barrel, 101, an inner barrel body, 102, an inner barrel bottom, 103, an inner barrel flange, 104, a balance ring, 105, a water discharge port, 106, a water discharge hole, 200, an outer barrel, 201, a first mounting hole, 202, an outer barrel bottom, 204, a second mounting hole, 300, a water discharge control mechanism, 301, a valve rod, 302, a sealing sleeve, 303, a baffle, 304, a first end, 305, a second end, 306, a valve plug, 307, a fixing seat, 308, a slide way, 309, a fixing shell, 310, a flanging, 311, a water discharge port, 313, a second spring, 315, an eccentric wheel, 316, a rotating motor, 317, a shell, 318, a mounting part, 321, a connecting arm, 322, an elliptical hole, 323, a first spring, 324, a sliding block, 325, a mounting column, 326 and a groove; 327. a trigger structure; 328. a position switch.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figure 1, the washing machine of the invention comprises an inner barrel 100 and an outer barrel 200, wherein the inner barrel 101 has no water leakage hole communicated with the outer barrel, the bottom 102 of the inner barrel is provided with a water drainage opening 105, the upper part of the inner barrel 101 is provided with a circle of water drainage openings 106, the water drainage opening 105 is closed during washing, the water level is lower than the height of the water drainage opening 106, only water exists in the inner barrel 100, no water exists between the inner barrel 100 and the outer barrel 200, after the washing is finished, the water drainage opening 105 is opened, most of water is drained from the water drainage opening 105, during the dewatering, the inner barrel 100 rotates, water extracted from clothes rises along the barrel wall under the action of centrifugal force, the water is drained from the inner barrel to the inner barrel through the water drainage opening 106 on the upper part of the inner barrel and is drained through the water drainage opening 105 of the outer barrel 200, therefore, the washing water, the inner barrel and the outer barrel are cleaned, so that bacteria are prevented from breeding; in the process of draining water and/or dewatering, the drain outlet 105 is opened, most of water, sediment such as silt, particles and the like are drained into the outer barrel from the lower drain outlet 105, water in clothes is drained into the outer barrel from the drain hole 106 on the upper part of the inner barrel during high-speed rotation dewatering of the inner barrel, and the water is directly drained out of the washing machine from the drain outlet 105 and the drain pipe at the bottom of the outer barrel, so that quick draining is realized, and good draining and pollution discharging effects are achieved.
The invention sets a drainage control mechanism 300 for controlling the opening/closing of the drainage outlet 105 at the bottom of the drainage outlet 105, the drainage control mechanism 300 blocks the drainage outlet 105 during water inlet and washing, controls the drainage outlet 105 to close, and the drainage control mechanism 300 controls the drainage outlet 105 to open during drainage and dehydration.
As shown in fig. 2-4, the present invention provides a drain control mechanism 300 for a washing machine. The inner tub bottom 102 is provided with a drain opening 105, the drain control mechanism 300 is installed at the bottom of the outer tub and includes a valve plug 306 capable of moving up and down and extending to control the opening and closing of the drain opening 105, and the drain control mechanism 300 is provided with a detection structure for detecting the reset state of the valve plug 306 so as to control the inner tub 100 to start the dewatering rotation after detecting the reset state of the valve plug 306.
The valve plug 306 moves upward to close the drain opening 105 and the valve plug 306 moves downward to open the drain opening 105. The valve plug 306 is circumferentially fixed and controls the drain opening 105 to close when the valve plug 306 moves upward and blocks the drain opening 105, and controls the drain opening 105 to open when the valve plug 306 moves downward to escape from the drain opening 105.
The drainage control mechanism 300 is provided with a position switch 328 at the corresponding position where the valve plug 306 is reset, the valve plug 306 is reset and triggers the position switch 328, and the washing machine receives a signal sent by the position switch 328 and controls the inner barrel to dewater.
The washing machine drainage control mechanism 300 is provided with a structure for detecting the reset state of the valve plug 306, ensures that the valve plug 306 retracts in place and then enables the inner barrel to rotate for dewatering, avoids the situation that the valve plug 306 retracts out of place or is out of time, effectively prevents the abnormal rotation of the inner barrel from wearing the valve plug 306 or causing the washing machine to have the faults of no water inflow or abnormal sound and the like, and is more reliable.
The drainage control mechanism 300 comprises a crank connecting rod structure, the lower end of the valve plug 306 is connected with a connecting rod of the crank connecting rod structure, the crank is connected with a rotating motor 316, the rotating motor 316 is arranged in the shell 317, and a trigger structure 327 for triggering a position switch 328 is arranged on the crank.
The lower extreme of valve plug 306 is connected with the connecting rod of crank connecting rod structure, and drainage control mechanism 300 is equipped with position switch 328 at the corresponding position that valve plug 306 resets, and when valve plug 306 up-and-down concertina movement, the position that triggers structure 327 that sets up on the crank also changes thereupon, and when valve plug 306 resets, triggers structure 327 thereupon and triggers position switch 328, accurately conveniently monitors the reset state of valve plug 306, and simple structure is difficult for breaking down.
The position switch 328 is a contact switch and the trigger structure 327 is a protrusion structure disposed on the crank, the contact switch is fixedly disposed on the housing 317 with the contact of the contact switch facing the protrusion structure.
The protruding structure is integrally formed with the crank or is arranged separately and fixedly connected.
Preferably, as shown in fig. 2-4, the protrusion is a semicircular protrusion integrally formed on the surface of the crank, and the highest point of the semicircular protrusion is abutted against the contact of the contact switch when the valve plug 306 is reset, so that if the valve plug 306 is not retracted to a certain extent, the contact switch is not triggered, thereby more accurately reflecting the reset condition of the valve plug 306.
The crank is an eccentric wheel 315, an eccentric shaft of the eccentric wheel 315 is hinged with a connecting rod, the center of the eccentric wheel 315 is connected with a rotating motor 316, the eccentric wheel 315 and the rotating motor 316 are arranged concentrically, and a protruding structure is arranged on the peripheral wall of the eccentric wheel 315.
As shown in FIG. 3, when the valve plug 306 moves downward and retracts, the eccentric wheel 315 rotates along with the valve plug, the semicircular protruding structure is abutted against the contact on the contact switch, the contact switch is closed and sends a signal, the washing machine receives the signal sent by the contact switch, judges that the valve plug 306 is reset, and controls the inner barrel to rotate for dewatering. As shown in FIG. 4, when the valve plug 306 moves upward and extends, the cam 315 rotates, the semicircular protrusion disengages from the contact on the contact switch, the contact switch is turned off, the contact switch does not send a signal, the washing machine does not obtain a signal indicating that the valve plug 306 is reset, and the inner tub is not instructed to rotate.
The valve plug 306 comprises a telescopic valve rod 301 and a sealing sleeve 302 sleeved on the valve rod 301 and capable of stretching along with the expansion of the valve rod 301, and the lower end of the valve rod 301 is connected with a connecting rod.
The connecting rod comprises a connecting arm 321, a first spring 323 and a sliding block 324, one end of the first spring 323 is fixed to the connecting arm 321, the other end of the first spring 323 is fixed to the sliding block 324, the sliding block 324 is in sliding connection with the connecting arm 321, one end, fixed to the first spring 323, of the connecting arm 321 is hinged to the valve plug 306, and one end, provided with the sliding block 324, of the connecting arm 321 is hinged to the crank through the sliding block 324.
The present invention also provides a washing machine provided with the washing machine drain control mechanism 300 according to the above.
Example 2
The present embodiment is different from embodiment 1 in the setting of the position switch 328.
In the drainage control mechanism 300 of this embodiment, the position switch 328 is an inductive switch, the trigger structure 327 is a signal emitting portion, the signal emitting portion is disposed on the crank and moves along with the crank, the inductive switch is fixedly disposed on the housing 317, and the inductive portion of the inductive switch faces the crank.
The signal transmitting part is a magnetic signal or photoelectric signal or microwave signal transmitting part, and the induction part of the induction switch is a magnetic signal or photoelectric signal or microwave signal receiving part.
When the valve plug 306 moves downwards and retracts, the eccentric wheel 315 rotates along with the valve plug, the signal emitting part and the inductive switch are within a set distance range, at this time, the inductive switch can receive a magnetic signal or a photoelectric signal or a microwave signal sent by the signal emitting part and is switched on, then a signal is sent to the washing machine, the valve plug 306 is reset, and the washing machine controls the inner barrel to rotate for dewatering.
When the valve plug 306 moves upwards and extends, the eccentric wheel 315 rotates along with the valve plug, the signal transmitting part and the inductive switch deviate from the set distance range, at this time, the inductive switch cannot receive the magnetic signal or the photoelectric signal or the microwave signal sent by the signal transmitting part, the disconnection state is kept, the washing machine does not obtain the signal of resetting the valve plug 306, and the inner barrel is not instructed to rotate.
Example 3
This embodiment is an optimization or further definition of embodiment 1 or embodiment 2.
Referring to fig. 1-9, in the drain control mechanism 300 of the inner barrel 100 of the present invention, the drain opening 105 is formed in the bottom 102 of the inner barrel, the drain control mechanism 300 at least comprises a retractable valve plug 306, the valve plug 306 moves upward to close the drain opening 105, the valve plug 306 moves downward to open the drain opening 105, the valve plug 306 is fixed in the circumferential direction, the valve plug 306 moves upward to close the drain opening 105, and the valve plug 306 moves downward to open the drain opening 105.
The drainage control mechanism 300 further comprises a crank link structure, the lower end of the valve plug 306 is connected with a link of the crank link structure, when the drainage control mechanism 300 receives an error signal that the valve plug 306 extends out but does not extend into the drain opening 105, the valve plug 306 abuts against other positions of the inner barrel bottom 102, such as the inner barrel flange 103, and other positions of the inner barrel bottom 102 are lower than the drain opening 105, because the valve plug 306 does not rise to the highest point, the valve plug 306 will abut against the inner barrel bottom 102, at this time, the rotating motor 316 still drives the valve plug 306 to move upwards, so that the motor is locked and seized, or even burned, at this time, the valve plug 306 cannot reset, cannot enter the next working cycle, and needs to be manually adjusted, or even the inner barrel needs to be detached to enter the next working cycle.
To address the above issues, lost motion is provided between the connecting rod and the crank and/or between the connecting rod and the valve plug 306. When the drain control mechanism 300 receives the error signal that the valve plug 306 extends but does not extend into the drain opening 105, the valve plug 306 abuts against other positions of the inner tub bottom 102, and other positions of the inner tub bottom 102 are lower than the drain opening 105, because the valve plug 306 does not rise to the highest point, the valve plug 306 will be abutted against the inner tub bottom 102, at this time, the rotating motor 316 drives the valve plug 306, at this time, because the valve plug 306 is abutted against the inner tub bottom 102, the idle stroke arranged between the connecting rod and the crank and/or between the connecting rod and the valve plug 306 starts to function, the rotating motor 316 drives the crank or the connecting rod to move in the idle stroke, when the highest point driven by the motor is passed, the motor continues to drive the valve plug 306 to move downwards to reset, and enters the next working cycle again, so that the motor or the inner tub bottom 102 cannot be damaged, and the washing machine does not need to be manually, avoiding causing unnecessary trouble to the user.
The lost motion is a compressible distance along the length of the connecting rod. When the valve plug 306 cannot be actuated, the compressible distance is compressed, and when the highest point of actuation of the motor is passed, the motor continues to actuate the valve plug 306 to move downward to reset, and the next working cycle is resumed.
The idle stroke can be provided by elliptical aperture 322, the connecting rod is a linking arm 321, the both ends of linking arm 321 set up the hinge hole respectively, the hinge hole of the one end of linking arm 321 with the tip of valve plug 306 is articulated, the hinge hole of the other end of linking arm 321 with the crank is articulated, one or two in the hinge hole are elliptical aperture 322. When the valve plug 306 cannot be actuated, the elliptical hole 322 may provide a certain displacement, so that the motor rotates past the actuated highest point, and the motor continues to actuate the valve plug 306 to move downward to reset, and reenter the next working cycle.
Alternatively, the lost motion may be provided by a spring that provides some displacement when the plug 306 cannot be actuated, such that the motor rotates past the highest point of actuation and the motor continues to drive the plug 306 downward to return to the next operating cycle. The connecting rod comprises a connecting arm 321, a first spring 323 and a sliding block 324, one end of the first spring 323 is fixed to the connecting arm 321, the other end of the first spring 323 is fixed to the sliding block 324, the sliding block 324 is connected with the connecting arm 321 in a sliding mode, one end of the connecting arm 321, which is used for fixing the first spring, is hinged to the valve plug 306, and one end of the connecting arm 321, which is provided with the sliding block 324, is hinged to the crank through the sliding block 324. When the valve plug 306 abuts against the other position of the inner barrel bottom 102 and cannot be driven, the slider 324 slides on the connecting arm 321 to compress the first spring 323, so that the motor rotates past the driving highest point, and the motor continues to drive the valve plug 306 to move downwards to reset, and then enters the next working cycle again.
A groove 326/notch is arranged in the middle of the connecting arm 321, the first spring 323 and the sliding block 324 are connected in series and then arranged in the groove 326/notch along the length direction, the sliding block 324 is connected with the groove 326/notch in a sliding manner, one end of the first spring 323 is fixed with the end part of the groove 326/notch, the other end of the first spring 323 is fixed with the sliding block 324,
preferably, the end of the groove 326/gap and the end surface of the sliding block 324 opposite to the end are respectively provided with a mounting column 325, two ends of the first spring 323 are respectively sleeved on the mounting columns 325,
preferably, the opposing end surfaces of the mounting post 325 are beveled or stepped end surfaces. Under the condition of ensuring the compression amount, the longest assembly length of the second spring 313 and the mounting column 325 can be ensured, the spring is reliably mounted and is not easy to pop out when being compressed, compared with a plane end face, the space is saved, and the space occupied in the height direction is the smallest.
The valve plug 306 comprises a telescopic valve rod 301 and a sealing sleeve 302 which is sleeved on the valve rod 301 and can be telescopic along with the telescopic of the valve rod, the lower end of the valve rod is connected with the connecting rod,
preferably, the top of the valve stem 301 is of an elastic structure, or the sealing sleeve 302 extends towards the top of the valve stem to cover at least a part of the top of the valve stem 301, and extends at least to the inside of the drain opening 105 when the top of the valve stem 301 corresponds to the drain opening 105,
preferably, the sealing sleeve 302 extends to the top of the valve rod 301 to completely cover the top of the valve rod 301, one end of the sealing sleeve 302 positioned at the top of the valve rod 301 is of a closed structure and is sleeved at the top of the valve rod 301, the first end 304 of the sealing sleeve 302 is of a sealing structure and is sleeved at the top of the valve rod 301, the second end 305 of the sealing sleeve 302 is in sealing connection with a fixed shell, and preferably, the sealing sleeve 303 is of a bellows shape. The valve rod 301 drives the sealing sleeve 302 to move upwards to the water outlet 105, the first end of the sealing sleeve 302 is extruded by the valve rod to be tightly attached to the water outlet 105, the water outlet 105 is sealed, and preferably, the upper surface of the valve rod 301 is of an upwards-protruding spherical structure, so that the sealing effect is better. The sealing sleeve 302 is a sealing sleeve 302 made of an elastic material, such as a rubber sleeve.
The periphery of the valve rod 301 is provided with a second spring 313, one end of the second spring 313 is fixed with the upper part of the valve rod 301, the other end of the second spring 313 is fixed with a fixed structure, the second spring 313 is a compression spring, the restoring force of the second spring 313 can drive the valve rod 301 to move upwards, and the valve rod 306 can be propped against to block the water outlet 105.
The downward reset motion of the valve rod 301 is driven by the crank-link structure, the upward extension of the valve rod 301 is driven by the restoring force of the second spring 313 after the crank-link structure releases the pulling force, and meanwhile, the restoring force of the second spring 313 can enable the valve plug 306 to block the water outlet 105.
The top of the valve rod 301 is preferably provided with a blocking piece 303 capable of blocking the drainage opening 105 of the inner barrel bottom 102, and the valve rod 301 is preferably of a T-shaped structure. The lower part of the blocking piece is provided with a second spring 313, one end of the second spring 313 is contacted with the lower surface of the blocking piece 303, and the other end is fixed.
The drainage control mechanism 300 further comprises a fixed seat 307 of the valve rod 301, the center of the fixed seat is provided with a slide way 308, and the center of the fixed seat 307 is bent upwards and/or downwards to form the slide way 308 of the valve rod 301. Valve rod 301 passes slide 308, preferably the other end of second spring 313 is fixed with the fixing base, slide 308 is the cover tube-shape, and the internal diameter slightly is greater than valve rod 301's external diameter, and the clearance can not be too little, guarantees that valve rod 301 can freely slide in slide 308, and the clearance can not be too big, guarantees that the direction of valve rod 301 motion can not deviate too greatly, along a plurality of axial archs of circumferencial direction equipartition on slide 308's the inner wall, bellied top and the contact of valve rod 301 surface line, a plurality of archs play the effect of direction to valve rod 301 like this, guarantee that valve plug 306 aligns outlet 105, avoid rocking, still reduced the area of contact, reduce friction, make valve rod 301 freely slide in slide 308.
The drainage control mechanism 300 further comprises a fixed casing 309, the fixed casing 309 is in a sleeve shape, the fixed casing 309 is mounted on the upper portion of the fixed base 307, the valve plug 306 is arranged in the fixed casing 309, the sealing sleeve 302 of the valve plug 306 is connected with the fixed casing 309,
preferably, the sealing sleeve 302 of the valve plug 306 is connected with the lower end of the fixed housing 309, the outer edge of the sealing sleeve 302 positioned at the top of the valve rod 301 extends outwards to form a flange 310, after the valve plug 306 moves downwards, the drain opening 105 is opened, the flange 310 is lapped on the upper end of the fixed housing 309, when the valve plug 306 moves downwards to be separated from the drain opening 105, water in the inner barrel 100 flows downwards immediately, the water flows to the upper end of the valve plug 306, namely the first end 304 and the flange 310 and then is guided by the flange 310 to be diffused to the periphery of the valve plug 306, so that the water flow is prevented from directly rushing into the fixed housing 309 to impact a drain control structure, when the valve plug 306 is positioned at the lowest position, the flange 10 is lapped on the upper end of the fixed housing 309 or the second mounting hole 204, so that impurities such as thread scraps in the valve plug can be prevented from entering the fixed. The lower part of the fixed shell 309 is provided with a water leakage opening 311. The drain 311 is provided with a drain pipe connected to a drain line of the washing machine. Because the sealing sleeve 302 is sleeved on the valve rod 301, the second end 305 of the sealing sleeve 302 is sealed with the fixed shell 309, water flow cannot completely block water from entering a space between the fixed shell 309 and the sealing sleeve 302 at all by the flanging 310, and the water leakage port 311 is arranged to discharge water entering the space to a water discharge pipeline of the washing machine through the water leakage port 311, so that the water is discharged out of the washing machine.
The first end 304 of the preferred sealing sleeve 302 extends outwardly from its outer edge to a third end which is sealingly connected to the upper end of the stationary housing 309, the extended portion being the sealing sleeve 302 which is retractable with the extension and retraction of the valve stem 301, preferably the sealing sleeve 302 in the shape of a bellows. The extended gland between the third end and the first end 304 seals the space between the stationary housing 309 and the gland 302 to prevent water flow into the space between the stationary housing 309 and the gland 302, in which case the gland 302 between the second end 305 and the first end 304 may be eliminated, but for safety or to prevent failure of the seal of the gland 302 between the third end and the first end 304, it is preferred to provide the gland 302 between the second end 305 and the first end 304, in which case the lower part of the stationary housing 309 need not be provided with a drain 311 since the space between the stationary housing 309 and the gland 302 is sealed.
The crank is connected with a rotating motor 316, the rotating motor 316 is arranged in a shell 317, the shell 317 is provided with a mounting part 318, the mounting part is fixed at the lower part of a fixed seat 307, or the mounting part 318 and the fixed seat 307 are integrally formed, preferably, the crank is an eccentric wheel 315, an eccentric shaft of the eccentric wheel 315 is hinged with the connecting rod, and the center of the eccentric wheel 315 is connected with the rotating motor 316.
The bottom of the outer barrel of the washing machine is provided with the drainage control mechanism 300, a sealing structure is arranged between the drainage control mechanism 300 and the outer barrel,
preferably, the outer tub is provided with a second mounting hole 204 of the drain control mechanism 300, the fixing seat of the drain control mechanism 300 is mounted at the bottom of the outer tub, the fixing shell 309 of the drain control mechanism 300 is mounted in the second mounting hole, a sealing structure is arranged between the fixing shell 309 and the second mounting hole,
preferably, the upper end of the second mounting hole 204 is bent inward to form a bend, the lower end of the fixed casing 309 is bent outward to form a bend, the fixed casing 309 extends into the second mounting hole 204, the upper end of the fixed casing 309 abuts against the bend at the upper end of the second mounting hole 204, the lower end of the second mounting hole 204 abuts against the bend at the lower end of the fixed casing 309, and the second end 305 of the sealing sleeve 302 is squeezed between the bend at the lower end of the second mounting hole 204 and the bend at the lower end of the fixed casing 309 to form a seal, so as to prevent water leakage at the position.
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 washing machine drainage control mechanism, an inner barrel bottom (102) is provided with a drainage outlet (105), a drainage control mechanism (300) is arranged on an outer barrel bottom (202), and the drainage control mechanism comprises a valve plug (306) which can move up and down in a telescopic way to control the opening and closing of the drainage outlet (105), and is characterized in that: the drain control mechanism (300) is provided with a detection structure for detecting the reset state of the valve plug (306) so as to control the inner barrel (100) to start the dehydration rotation after detecting the reset of the valve plug (306).
2. The drain control mechanism of claim 1, wherein: the drainage control mechanism (300) is provided with a position switch (328) at the position corresponding to the reset of the valve plug (306), the valve plug (306) resets and triggers the position switch (328), and the washing machine receives a signal sent by the position switch (328) and controls the inner barrel (100) to dewater.
3. The drainage control mechanism according to claim 1 or 2, characterized in that: including crank connecting rod structure, the lower extreme and the connecting rod of crank connecting rod structure of valve plug (306) are connected, and rotating electrical machines (316) are connected to the crank, and rotating electrical machines (316) set up in casing (317), be equipped with trigger structure (327) that trigger position switch (328) on the crank.
4. A drainage control mechanism as set forth in claim 3, wherein: the position switch (328) is a contact switch, the trigger structure (327) is a protruding structure arranged on the crank, the contact switch is fixedly arranged on the shell (317), and the contact of the contact switch faces the protruding structure.
5. The drain control mechanism of claim 4, wherein: the protruding structure and the crank are integrally formed or are separately arranged and fixedly connected;
preferably, the protrusion structure is a semicircular protrusion integrally formed on the surface of the crank, and the highest point of the semicircular protrusion is abutted with the contact of the contact switch when the valve plug (306) is reset.
6. The drainage control mechanism according to claim 4 or 5, characterized in that: the crank is an eccentric wheel (315), an eccentric shaft of the eccentric wheel (315) is hinged with the connecting rod, the center of the eccentric wheel (315) is connected with a rotating motor (316), the eccentric wheel (315) and the rotating motor (316) are arranged concentrically, and the protruding structure is arranged on the peripheral wall of the eccentric wheel (315).
7. A drainage control mechanism as set forth in claim 3, wherein: the position switch (328) is an inductive switch, the trigger structure (327) is a signal transmitting part, the signal transmitting part is arranged on the crank and moves along with the crank, the inductive switch is fixedly arranged on the shell (317), and the inductive part of the inductive switch faces the crank;
preferably, the signal transmitting part is a magnetic signal or photoelectric signal or microwave signal transmitting part, and the sensing part of the inductive switch is a magnetic signal or photoelectric signal or microwave signal receiving part.
8. A drainage control mechanism as claimed in any of claims 1 to 7, wherein: the valve plug (306) comprises a telescopic valve rod (301) and a sealing sleeve (302) sleeved on the valve rod (301) and capable of stretching along with the stretching of the valve rod (301), and the lower end of the valve rod (301) is connected with the connecting rod.
9. A drainage control mechanism as claimed in any one of claims 3 to 8, wherein: the connecting rod includes linking arm (321), first spring (323) and slider (324), and the one end and linking arm (321) of first spring (323) are fixed, and the other end and slider (324) of first spring (323) are fixed, slider (324) and linking arm (321) sliding connection, and the one end and valve plug (306) of the fixed first spring (323) of linking arm (321) are articulated, and the one end that linking arm (321) set up slider (324) is passed through slider (324) and is articulated with the crank.
10. A washing machine, characterized in that a drain control mechanism (300) of the washing machine according to any one of claims 1-9 is provided.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080068.XA CN110904634A (en) | 2018-09-17 | 2018-09-17 | Washing machine drainage control mechanism and washing machine |
| JP2021538881A JP2022511575A (en) | 2018-09-17 | 2019-09-09 | Washing machine drainage control mechanism and washing machine |
| PCT/CN2019/104898 WO2020057387A1 (en) | 2018-09-17 | 2019-09-09 | Drainage control mechanism of washing machine, and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080068.XA CN110904634A (en) | 2018-09-17 | 2018-09-17 | Washing machine drainage control mechanism and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110904634A true CN110904634A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080068.XA Pending CN110904634A (en) | 2018-09-17 | 2018-09-17 | Washing machine drainage control mechanism and washing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2022511575A (en) |
| CN (1) | CN110904634A (en) |
| WO (1) | WO2020057387A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113308852A (en) * | 2021-06-09 | 2021-08-27 | 珠海格力电器股份有限公司 | Drainage mechanism of washing machine, washing machine and control method |
| CN113308854A (en) * | 2021-06-09 | 2021-08-27 | 珠海格力电器股份有限公司 | Washing machine drainage mechanism, washing machine and control method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550127B (en) * | 2020-04-07 | 2024-07-16 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN113331763B (en) * | 2021-07-07 | 2024-08-02 | 珠海格力电器股份有限公司 | Dish washer drainage device and dish washer |
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| JPH07100095B2 (en) * | 1987-08-07 | 1995-11-01 | 三菱電機株式会社 | Drum type washing machine |
| JPH0720519B2 (en) * | 1988-06-20 | 1995-03-08 | 株式会社三協精機製作所 | Dehydration washing machine |
| JP3114711B2 (en) * | 1997-07-02 | 2000-12-04 | 株式会社日立製作所 | Washing machine |
| AU749296B2 (en) * | 1999-06-15 | 2002-06-20 | Lg Electronics Inc. | Device and method for controlling drain motor |
| JP2004222969A (en) * | 2003-01-23 | 2004-08-12 | Mitsubishi Material Cmi Kk | Drainage control mechanism of washing machine |
| CN101124465A (en) * | 2005-02-01 | 2008-02-13 | Ncte工程有限公司 | Position sensor and washing machine |
| NO334661B1 (en) * | 2012-08-23 | 2014-05-12 | Kverneland Group Operations Norway As | Valve for detecting hydraulic system status |
| EP2746449A1 (en) * | 2012-12-21 | 2014-06-25 | Electrolux Home Products Corporation N.V. | Improved washing machine |
| CN106480667B (en) * | 2015-08-31 | 2020-01-21 | 青岛海尔洗衣机有限公司 | Drainage control mechanism of inner barrel and washing machine |
| CN106702684B (en) * | 2015-11-12 | 2020-05-05 | 青岛海尔洗衣机有限公司 | Drainage structure of inter-barrel waterless washing machine and washing machine |
| CN107740250B (en) * | 2017-11-13 | 2022-09-23 | 无锡小天鹅电器有限公司 | A dehydration bucket barrier mechanism and washing machine for washing machine |
| CN209144488U (en) * | 2018-09-17 | 2019-07-23 | 青岛海尔洗衣机有限公司 | A kind of washing machine drainage control mechanism and washing machine |
-
2018
- 2018-09-17 CN CN201811080068.XA patent/CN110904634A/en active Pending
-
2019
- 2019-09-09 JP JP2021538881A patent/JP2022511575A/en active Pending
- 2019-09-09 WO PCT/CN2019/104898 patent/WO2020057387A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113308852A (en) * | 2021-06-09 | 2021-08-27 | 珠海格力电器股份有限公司 | Drainage mechanism of washing machine, washing machine and control method |
| CN113308854A (en) * | 2021-06-09 | 2021-08-27 | 珠海格力电器股份有限公司 | Washing machine drainage mechanism, washing machine and control method |
| CN113308852B (en) * | 2021-06-09 | 2024-02-23 | 珠海格力电器股份有限公司 | Drainage mechanism of washing machine, washing machine and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020057387A1 (en) | 2020-03-26 |
| JP2022511575A (en) | 2022-01-31 |
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