WO2018196847A1 - Structure de vidange pour machine à laver - Google Patents

Structure de vidange pour machine à laver Download PDF

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Publication number
WO2018196847A1
WO2018196847A1 PCT/CN2018/084809 CN2018084809W WO2018196847A1 WO 2018196847 A1 WO2018196847 A1 WO 2018196847A1 CN 2018084809 W CN2018084809 W CN 2018084809W WO 2018196847 A1 WO2018196847 A1 WO 2018196847A1
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WO
WIPO (PCT)
Prior art keywords
inner cylinder
washing machine
drain
drainage
valve
Prior art date
Application number
PCT/CN2018/084809
Other languages
English (en)
Chinese (zh)
Inventor
李以民
劳春峰
郝兴慧
吴迪
许升
吕艳芬
Original Assignee
青岛海尔洗衣机有限公司
青岛海尔智能技术研发有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, 青岛海尔智能技术研发有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to JP2019558791A priority Critical patent/JP7012095B2/ja
Priority to EP18790099.8A priority patent/EP3617384A4/fr
Priority to US16/609,061 priority patent/US20200149208A1/en
Publication of WO2018196847A1 publication Critical patent/WO2018196847A1/fr

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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • D06F23/025—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis with a rotatable imperforate tub
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an inclined axis
    • D06F23/065—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an inclined axis with a rotatable imperforate tub
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/302—Automatic drum positioning

Definitions

  • the invention belongs to the technical field of washing machines, and particularly relates to a washing machine which only has a rotatable and water-fillable inner cylinder, and particularly relates to a drainage structure of a washing machine.
  • the drum washing machine generally comprises an inner cylinder and an outer cylinder which are respectively arranged, the outer cylinder is sealed for holding water, the inner cylinder is for holding the laundry, the inner cylinder is rotated to wash the laundry, and at the same time, the inner cylinder is
  • the dewatering hole is arranged such that the water in the outer cylinder flows into the inner cylinder through the dehydration hole to soak the laundry in the inner cylinder, the water in the inner cylinder flows out through the dehydration hole to the outer cylinder, and the moisture in the inner cylinder is dehydrated when the inner cylinder rotates at a high speed
  • the holes are discharged to the outer cylinder for the purpose of washing the laundry.
  • the washing process of the washing machine is to wash and wash the laundry by rotating the inner cylinder, so that the washing capacity of the washing machine is based on the inner cylinder, and the internal space utilization rate of the washing machine is made. Lower, it is not possible to expand the washing capacity of the washing machine on an existing basis.
  • the washing machine drainage structure of the present invention is provided with a drain valve at the bottom of the inner cylinder, and a valve plug opening mechanism corresponding to the drain valve is arranged on the washing machine, so that the inner cylinder of the washing machine is positioned to the corresponding position and the valve plug opening mechanism is pushed.
  • the drain valve plug is opened to solve the problem of the discharge of the washing water in the inner cylinder, thereby realizing the sealing of the rotatable inner cylinder mouth, the water in the inner cylinder is not leaked during the normal working process of the washing machine, and the washing in the inner cylinder when the washing machine is drained
  • a drainage structure of a washing machine an inner cylinder is installed in the casing of the washing machine, a drain port is arranged on the inner cylinder, and a drain valve is installed at the drain port; the washing machine is further provided with a positioning lock that rotates the inner cylinder to a fixed drain position and is fixed The washing machine is provided with a spool opening mechanism for opening the drain valve after the inner cylinder is rotated to the fixed drain position, so that when the washing machine is drained and the inner cylinder is rotated to the fixed drain position, the drain valve is opened to make the washing water out of the inner cylinder.
  • the drain port is disposed at an outer side wall of the inner cylinder or an outer circumference of the front and rear ends; preferably, the inner cylinder is provided as a cone having a small diameter at one end and a large diameter at one end, and the drain port is disposed at an outer circumference of the large end of the inner cylinder.
  • the rear end of the inner cylinder is composed of an inner cylinder bottom, and the outer peripheral portion of the inner cylinder bottom is provided with a horizontally disposed drainage opening, and the drainage port is provided with a drainage valve; the drainage valve includes a valve core covering the drainage opening, and the valve core is limited
  • the position spring is connected to the bottom of the inner cylinder so that the valve core blocks the drain port from the inside to the outside under the action of the limit spring.
  • the rear end of the inner cylinder is mounted on the inner cylinder support, and the inner cylinder support is installed in the washing machine casing via the shock absorbing spring and/or the damper support rod; the valve core opening mechanism is mounted on the inner cylinder support.
  • valve core opening mechanism comprises a stepping motor mounted on the inner cylinder support member, and the output end of the stepping motor is mounted with a rotating wheel coaxially fixedly connected, the outer circumference of the rotating wheel is hinged with one end of the connecting rod, and the connecting rod is further connected One end passes through the limit hole provided in the inner cylinder support to move telescopically in the direction of the drain valve to push the spool to move into the inner cylinder to open the drain valve for drainage.
  • the valve core opening mechanism includes an electromagnet mounted on the inner cylinder support member, and the electromagnet is disposed corresponding to the drain valve, so that the drain valve and the electromagnet are coaxial when the inner cylinder is rotated to the fixed drain position.
  • the valve core of the drain valve is mounted with a magnet or the valve core is entirely composed of a magnet, so that the electromagnet is energized to provide electromagnetic repulsion to the valve core, and the valve core is pushed toward the inner side of the inner cylinder to open the drain valve for drainage.
  • the outer portion of the inner cylinder drain port is provided with a sump, and the bottom of the sump is connected with the washing machine drain pipe, and is collected after being drained from the outer drain outlet of the inner cylinder.
  • the water outlet is at the lowest position of the inner cylinder, and the water flow in the inner cylinder is concentrated to the drain outlet, and the drain outlet opened from the drain valve flows outward.
  • the water outlet is disposed at the outer circumference of the inner cylinder bottom, and the water outlet rotates to the bottom of the inner cylinder axis when the inner cylinder is in the fixed drainage position;
  • the water collection tank includes a groove below the water outlet, and the rear side wall of the groove extends vertically upward to The rear side of the drain port is spaced from the drain port by a certain distance to guide the drain water flowing out into the sump.
  • the sump is mounted on the inner cylinder support of the washing machine or integrally formed with the inner cylinder support, and the valve core opening mechanism is mounted on the sump.
  • the drain valve is in a closed state in the normal state of the washing machine, and the drain valve is in an open state by the positioning lock mechanism and the valve plug opening mechanism when the washing machine drains, so that the inner cylinder does not contain water when the inner cylinder rotates normally.
  • the water outlet flows out, thereby realizing the effect of the inner cylinder sealing and draining during the inner cylinder rotation process, and the drain valve opens the normal outer discharge of the water in the inner cylinder, thereby achieving the purpose of normal drainage of the washing machine with the dual inner rotation and the water filling effect; Therefore, the outer cylinder can be set without the need for the outer cylinder, which increases the volume of the inner cylinder and improves the washing capacity of the washing machine.
  • FIG. 1 is a schematic structural view of a washing machine in an embodiment of the present invention.
  • FIG. 2 is a schematic structural view showing the inner cylinder of the washing machine in a non-locked state according to an embodiment of the present invention
  • Figure 3 is a schematic view showing the structure of the inner cylinder lock state of the washing machine in the embodiment of the present invention.
  • FIG. 4 is a schematic structural view showing a closed state of a drain valve in an embodiment of the present invention.
  • Fig. 5 is a structural schematic view showing the state in which the drain valve is opened in the embodiment of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • a washing machine As shown in FIG. 1 to FIG. 4, in the embodiment of the present invention, a washing machine is provided.
  • the washing machine comprises a casing 2, and an inner cylinder 1 is arranged in the casing 2.
  • the inner cylinder 1 extends horizontally or gradually downwards from front to back. It is provided that the front end of the inner cylinder 1 is an inner cylinder mouth 101 provided with an opening, and the inner cylinder bottom 102 of the inner end of the inner cylinder 1 is provided; the inner cylinder 1 has no through hole on the cylinder wall, so that the inner cylinder 1 is internally formed only by the front opening. Seal the container.
  • the front end of the washing machine casing 2 is provided with a door cover 4 that can be opened outward to close the inner cylinder mouth 101 after the door cover 4 is closed, and the purpose of placing the laundry from the inner cylinder mouth 101 into the inner cylinder 1 after opening the door cover 4 .
  • the rear end of the inner cylinder 1 is installed in the washing machine casing 2 via the inner cylinder support member 3, the inner cylinder support member 3 is coaxially disposed with the rear end of the inner cylinder 1, and the upper and lower ends of the inner cylinder support member 3 are respectively directed to the inner cylinder. 1
  • the front end of the mouth is bent, and the bent portion extends at least to the middle of the inner tube 1.
  • the upper and lower bent portions are respectively connected to the washing machine housing 2 via the damper spring 6 and the damper support rod 7 to realize the inner tube support 3
  • the inner cylinder bottom 102 is coaxially disposed with the motor shaft of the washing machine drive motor 5 to drive the inner cylinder 1 to rotate, and the inner cylinder 1 and the driving motor 5 are fixedly mounted on the motor housing 5;
  • the inner cylinder support member 3 is provided.
  • the inner cylinder bottom 102 and the driving motor 5 are respectively disposed on both sides of the inner cylinder support member 3, and the driving motor 5 is fixedly connected to the inner cylinder supporting member 3, and the motor shaft of the driving motor 5 passes through the inner cylinder supporting member through the bearing.
  • the shaft of the driving motor 5 can be rotated relative to the inner cylinder support member 3, so that the inner cylinder 1 and the driving motor 5 are mounted on the inner cylinder support member 3, and the inner cylinder 1 can be The purpose of washing the inner clothes by rotating under the action of the drive motor 5 alone.
  • a drainage structure of a washing machine an inner cylinder 1 is installed in the washing machine casing 2, a drain port 23 is arranged on the inner cylinder 1, a drain valve 24 in a normally closed state is installed at the drain port 23, and an inner cylinder is arranged on the washing machine 1 a positioning locking mechanism rotated to a fixed drainage position and fixed; the washing machine is provided with a spool opening mechanism that opens the drain valve 24 after the inner cylinder 1 is rotated to a fixed drainage position, so that when the washing machine is in a drain state, the inner cylinder 1 is rotated to After the drain position is fixed, the drain valve 24 is opened to allow the washing water in the inner cylinder to be discharged.
  • the drain valve is closed, the drain port is closed, and the water in the inner cylinder does not flow out from the drain port;
  • the inner cylinder of the washing machine is rotated to the fixed drain by the positioning locking mechanism.
  • Position, the spool opening mechanism on the washing machine is opened, pushing the drain valve plug to open, the drain port is open, and the water in the inner cylinder will flow out from the drain port.
  • the drain valve is in a closed state in the normal state of the washing machine, and the drain valve is in an open state by the positioning lock mechanism and the valve plug opening mechanism when the washing machine drains, so that the inner cylinder does not contain water when the inner cylinder rotates normally.
  • the water outlet flows out, thereby realizing the effect of the inner cylinder sealing and draining during the inner cylinder rotation process, and the drain valve opens the normal outer discharge of the water in the inner cylinder, thereby achieving the purpose of normal drainage of the washing machine with the dual inner rotation and the water filling effect; Therefore, the outer cylinder can be set without the need for the outer cylinder, which increases the volume of the inner cylinder and improves the washing capacity of the washing machine.
  • a drainage structure of a washing machine is introduced.
  • the inner casing 1 is installed in the washing machine casing 2, and the inner cylinder 1 is provided with a drain port 23, and the drain port 23 is installed at a normally closed drain valve 24;
  • the washing machine is provided with a positioning lock mechanism for rotating the inner cylinder 1 to a fixed drain position and fixed;
  • the washing machine is provided with a spool open to open the drain valve 24 after the inner cylinder 1 is rotated to a fixed drain position
  • the mechanism opens the drain valve 24 to discharge the washing water in the inner cylinder 1 when the inner cylinder 1 is rotated to the fixed drain position when the washing machine is in the drain state.
  • the drain port 23 is disposed at the outer side wall of the inner tube 1 or the outer circumference of the front and rear ends; preferably, the inner tube 1 is provided as a cone having a small diameter at one end and a large diameter at one end, and the drain port 23 is disposed at The outer circumference of the inner end of the inner tube 1 is large.
  • the rear end of the inner cylinder 1 is composed of the inner cylinder bottom 102, and the front end is composed of the inner cylinder mouth 101, and the two are connected via the inner cylinder side wall; the inner cylinder side wall is inward from the inner cylinder opening 101.
  • the cylindrical bottom 102 gradually enlarges the diameter of the tapered surface, the outer peripheral portion of the inner cylinder bottom 102 is provided with a horizontally disposed drain port 23, and the drain port 23 is provided with a drain valve 24; the drain valve 24 includes a spool covering the drain port 23.
  • the spool 25 is connected to the inner cylinder bottom 102 via the limit spring 26, so that the spool 25 blocks the drain port 23 from the inside to the outside under the action of the limit spring 26.
  • the limit spring By connecting the valve core through the limit spring and the bottom of the inner cylinder, the limit spring provides an elastic tension to the outer core of the inner cylinder of the phase, so that the valve core closely fits the bottom of the inner cylinder under the elastic force.
  • the valve core blocks the drain port and achieves the purpose of sealing the drain port.
  • the drain port 23 on the inner cylinder 1 is provided as a tapered hole which is gradually widened from the inner side to the outer side, the small end of the tapered hole is closed, and the through hole is provided on the side wall of the tapered hole to connect the inner tube
  • the inner and outer phases are connected, and the valve core 25 is a plate structure covering the large end of the tapered hole.
  • the tapered hole is provided with a limit spring 26 extending along the axis, and one end of the limit spring 26 is connected with the sealing portion of the small end of the tapered hole. The other end is connected to the spool 25, and the limit spring 26 is in a tensioned state to apply a thrust force to the spool 25 to the outside of the inner cylinder 1, so that the spool 25 blocks the drain port 24.
  • the rear end of the inner cylinder 1 is provided with an inner cylinder support member 3, and the inner cylinder support member 3 is mounted in the washing machine casing 2 via the damper spring 6 and/or the damper support rod 7; On the inner cylinder support 3.
  • the water outlet 23 is at the lowest point of the inner cylinder 1, and the water flow in the inner cylinder 1 is concentrated and flowed toward the water outlet 23, and the water outlet 23 opened from the drain valve 24 flows outward;
  • the spool opening mechanism is mounted on a side of the inner cylinder support 3 away from the inner cylinder 1, and is disposed opposite to the outer circumference of the inner cylinder 1, and the water outlet 23 and the connecting rod 28 of the valve core opening mechanism are disposed when the inner cylinder 1 is in the fixed drainage position.
  • the link 28 is axially expanded and contracted by the stepping motor and the rotating wheel 27, and the spool 25 of the drain valve 24 is pushed to move toward the inside of the inner cylinder 1 to open the drain port 23.
  • the spool opening mechanism includes a stepping motor mounted on the inner cylinder support member 3, and the output end of the stepping motor is mounted with a coaxially fixedly connected rotating wheel 27, rotating
  • the outer circumference of the wheel 27 is hinged with one end of the connecting rod 28, and the other end of the connecting rod 28 is telescopically moved in the direction of the drain valve 23 through the limiting hole provided in the inner cylinder supporting member 3 to push the spool 25 to the inner cylinder 1
  • the inner movement opens the drain valve 24 for drainage.
  • the sump 30 is correspondingly disposed on the outside of the drain port 23 of the inner cylinder 1, and the bottom of the sump 30 is connected to the washing machine drain pipe 31 to collect and drain the outer drain flow from the drain port 23 of the inner cylinder 1. .
  • the drain port 23 is disposed at the outer circumference of the inner cylinder bottom 102.
  • the drain port 23 rotates to the bottom of the inner cylinder 1 axis;
  • the sump 30 includes a corresponding groove below the drain port 23.
  • the rear side wall of the groove extends vertically upward to the rear side of the drain port 23 and is spaced apart from the drain port 23 to guide the outflow of the water outlet 23 into the sump 30 to avoid backwarding from the horizontally disposed drain port. The flowing drainage water flows out to the outside of the washing machine.
  • the front side wall of the sump 30 and the lower portion of the inner tube 1 of the washing machine are fitted together, or the gap is a minimum distance to ensure that the water in the sump 30 is not sputtered from the front end, thereby preventing the inner tube from overflowing. The occurrence of a flow situation.
  • the sump 30 is mounted on the inner cylinder support 3 of the washing machine or integrally formed with the inner cylinder support 3, and the valve core opening mechanism is mounted on the sump 30.
  • the positioning and locking mechanism can be any mechanism that can control the rotation of the inner cylinder of the washing machine to a fixed drainage position and is fixed.
  • a driving motor for driving the inner cylinder is provided with a corresponding control program to control the inner cylinder. Rotate to the fixed drain position and lock, so that the inner tube does not rotate.
  • the positioning locking mechanism as follows: as shown in FIG. 2 and FIG. 3, an inwardly recessed locking groove 34 is provided on the side wall of the inner cylinder 1, and the washing machine is provided with a corresponding setting corresponding to the locking groove 34.
  • the lock pin 41 is mounted on the washing machine housing 2 or the inner cylinder support 3 in the radial direction of the inner cylinder; as shown in FIG.
  • the lock pin 41 is driven by the driving device.
  • the lock pin 41 is disengaged from the lock groove 42, and the inner cylinder 1 is freely rotated; as shown in FIG. 3, when the lock pin 41 is ejected outward by the driving device, the lock pin 41 extends into the inner cylinder.
  • the inner cylinder 1 In the lock groove 42 on the 1st, the inner cylinder 1 is no longer rotated, and the inner cylinder 1 is in a fixed drain position, so that the drain port 23 is at a position corresponding to the spool opening mechanism.
  • the drain valve is closed, the inner cylinder is normally rotated, the water in the inner cylinder does not flow out from the drain outlet, and the laundry is normally washed; as shown in Fig. 5, during the drainage process of the washing machine, the inner cylinder Rotating to a fixed drainage position, the stepping motor pushes the rotating wheel to rotate, the rotating wheel drives the connecting rod to move toward the inner cylinder, and the end of the connecting rod pushes the drain valve plug at the relative position to move inside the inner cylinder, and the valve plug is overcome by the spring pulling force.
  • the water outlet is pushed open, and the water in the inner cylinder flows out from the open drain port.
  • the effluent water flows through the sump and is discharged from the drain pipe to the outside of the washing machine, thereby achieving the purpose of arranging the water in the inner cylinder.
  • valve core opening mechanism includes an electromagnet mounted on the inner cylinder support member 3, and the electromagnet is disposed corresponding to the drain valve 23 to rotate the inner cylinder 1 to be fixed.
  • the drain valve 23 and the electromagnet are in the coaxial direction;
  • the valve core 25 of the drain valve 23 is mounted with a magnet or the valve body is entirely composed of a magnet, so that the electromagnet is energized to provide electromagnetic repulsion to the spool 25, and the valve is pushed.
  • the core 25 is moved inward in the direction of the inner tube 1 to open the drain valve 23 for drainage.
  • the drain valve is closed, the inner cylinder rotates normally, the water in the inner cylinder does not flow out from the drain outlet, and the laundry is normally washed; during the draining process of the washing machine, the inner cylinder rotates to a fixed drainage position, the electromagnet is energized, and the electromagnetic The iron provides a repulsive force to the spool, so that the spool moves against the spring force against the spring force in the inner direction of the inner cylinder, so that the inner cylinder drain opening, the water in the inner cylinder flows out from the open drain, and the outflow water flows through the collecting tank and collects
  • the drain pipe is discharged to the outside of the washing machine, and the purpose of arranging the water in the inner cylinder can also be achieved.
  • a washing machine is provided with a door cover 4 mounted on the casing 2 of the washing machine.
  • the door cover 4 is connected to the inner cylinder cover 8 via a resilient mechanism, so that the elastic cover is closed to the inner cover after the door cover 4 is closed.
  • 8 provides the locking elastic force, so that the inner cylinder cover 8 is in sealing contact with the inner cylinder mouth 101, and the inner cylinder cover 8 rotates together with the inner cylinder 1 to realize that the inner cylinder cover 8 is fastened to the inner cylinder after the door cover 4 is closed
  • the mouth 101 achieves the purpose of sealing the inner cylinder 1.
  • the inner cylinder cover which is elastically pressed at the inner cylinder mouth is sealed, and the inner cylinder cover and the inner cylinder mouth are in sealing contact and rotate together during the washing process of the washing machine, thereby achieving the purpose of dynamic sealing of the cylinder mouth when the inner cylinder rotates.
  • the inner cylinder has the dual functions of rotating and holding water; at the same time, the outer cylinder can be set without the need to fit the outer cylinder, which increases the volume of the inner cylinder and improves the washing capacity of the washing machine.
  • the door cover 4 is disposed coaxially with the inner cylinder cover 8, and the door cover 4 and the inner cylinder cover 8 are connected by an elastic mechanism to close the inner cylinder cover 8 in a compressed state after the door cover 4 is closed.
  • the mechanism is pressed against the inner cylinder mouth 101.
  • the inner cylinder cover 8 is fixedly connected to the door cover 4 so that the inner cylinder cover 8 can be operated together with the door cover 4 to open and close, thereby achieving the purpose of opening and closing the inner cylinder mouth 101 of the inner cylinder cover 8.
  • the inner cylinder cover 8 and the door cover 4 are rotatable relative to the central axis so that the inner cylinder cover 8 and the inner cylinder 1 are hermetically fixedly connected after the washing machine is closed and the inner cylinder cover 8 can rotate together with the inner cylinder 1.
  • the inner cylinder cover 8 and the inner cylinder mouth 101 can be elasticized.
  • the card is connected to fix the inner cylinder cover and the inner cylinder mouth 101 after the door cover 4 is closed, and the inner cylinder cover moves together with the door cover 4 and is separated from the inner cylinder mouth 101 after the door cover 4 is opened.
  • the inner cylinder cover 8 is in sealing contact with the inner cylinder mouth 101 to be clamped and fixed to enhance the sealing property of the inner cylinder mouth 101.
  • the center of the inner cylinder cover 8 is connected with a rotating shaft 12 extending outwardly of the inner cylinder in the axial direction of the inner cylinder 1, and the inner cylinder cover 8 is rotatable about the rotating shaft.
  • One end of the rotating shaft 12 is rotatably connected to the inner cylinder cover 8, and the other end is connected to the door cover 4 via an elastic mechanism, and the elastic mechanism applies an elastic force to the inner cylinder cover 8, and drives the inner cylinder cover 8 to move in the direction of the inner cylinder opening 101.
  • the inner cylinder cover 8 is sealed and fastened to the inner cylinder mouth 101 to achieve sealing of the inner cylinder mouth 101.
  • the outer center of the inner cylinder cover 8 is provided with a mounting groove 11 extending outwardly.
  • the mounting groove 11 is provided with a bearing 12 mounted on the bearing shaft, and the rotating shaft 12 extends along the axial direction of the inner cylinder 1
  • the sleeve 8 is rotatable relative to the rotating shaft 12; the end of the rotating shaft 12 is fixedly connected with the door cover 4 via the spring 9 so that the spring 9 is in a compressed state after the door cover 4 is closed, so that the inner cylinder cover is in sealing contact with the inner cylinder mouth 101, And the inner cylinder cover 8 is rotatable relative to the door cover 4 about the rotation axis.
  • the insertion end of the rotating shaft 12 inserted into the mounting groove 11 of the inner cylinder cover 8 is provided with a convex portion protruding outward in the radial direction to be engaged with the mounting groove 11 of the inner cylinder cover 8 to make the rotating shaft 12 and the inner cylinder
  • the cover 8 is fixed in the axial direction.
  • the outer center of the inner cylinder cover 8 is outwardly convex.
  • An extending mounting groove 11 is provided.
  • the mounting groove 11 is provided with a bearing 12 mounted on the bearing shaft.
  • the rotating shaft 12 extends in the axial direction of the inner cylinder 1 so that the inner cylinder cover 8 can rotate relative to the rotating shaft 12; the rotating shaft 12 is mounted with the rotating shaft at the end
  • the support plate 10 is perpendicular to the axis 12, and the outer peripheral portion of the support plate 10 is fixedly coupled to the door cover 4 via a plurality of springs 9.
  • the diameter of the support plate 10 is greater than or equal to the diameter of the inner cylinder mouth 101, the support plate 10 is disposed coaxially with the inner cylinder 1, and the springs 9 are symmetrically arranged on the outer circumference of the support plate 10 with respect to the inner cylinder 1, and the springs are respectively arranged. 9 are all arranged in a direction parallel to the axis of the inner cylinder 1.
  • a support plate connected to the rotating shaft is installed between the door cover of the washing machine and the inner cylinder cover, and the support plate is connected to the door cover through a plurality of springs uniformly distributed on the outer circumference, so that the inner cylinder cover is subjected to multiple directions.
  • the limit spring force of different springs makes the inner cylinder cover smooth and does not deflect and seals in the inner cylinder mouth, which improves the reliability of sealing at the inner cylinder mouth of the washing machine.
  • the inner cylinder cover and the inner cylinder mouth are in contact with the compression spring, so that the spring provides an inward direction to the inner cylinder cover.
  • the moving elastic force seals the inner tub cover and the inner cylinder mouth, thereby achieving the purpose of restricting the inner cylinder cover and the inner cylinder cover from sealing the inner cylinder mouth after the door cover is closed; at the same time, due to the inner cylinder cover and the rotating shaft
  • the inner cylinder cover can rotate together with the inner cylinder under the friction force to achieve the purpose of sealing treatment at the inner cylinder mouth;
  • the front end of the cylinder is connected with the door cover through the inner cylinder cover, the rotating shaft and the spring, so that the front end of the inner cylinder can be elastically mounted and installed in the casing of the washing machine, so that the front end of the inner tub is supported and installed with the washing machine casing, thereby improving the supporting action point
  • a coaxially disposed inlet pipe 17 is mounted at the rotating shaft 12, and one end of the inlet pipe 17 is inserted into the inner cylinder through the inner cylinder cover 8, and the other end passes through the rotating shaft 12 and is bent upward to extend to the water inlet structure of the washing machine.
  • the water is connected so that the water inlet of the washing machine flows into the inner cylinder 1 from the center of the inner cylinder mouth 101, so that the inner cylinder 1 of the washing machine can enter the water from the center of the front inner cylinder cover 8.
  • the inner cylinder cover 8 is hinged with the rotating shaft 12 to provide a water seal to ensure the tightness of the inner cylinder 1.
  • an outer inclined portion 15 is provided at an outer circumference of the inner cylinder cover 8, and the inclined portion 15 is a tapered surface which gradually increases in diameter from the outer circumference of the inner cylinder 1 toward the door cover 4;
  • the tubular opening 101 is provided with a ring fixing portion 16 which is in contact with the inclined portion 15; preferably, the outer end of the fixing portion 16 is provided with an outwardly curved chamfer to guide the inner cylinder cover 8 to slide into the inner cylinder mouth 101.
  • the fixing portion 16 and the inclined portion 15 are bonded together to achieve sealing.
  • the outer circumference of the inner cylinder cover 8 is provided with two tapered surfaces of different curvatures which are gradually increased in diameter toward the door cover 4, and the two sides of the first tapered surface are respectively adjacent to the outer circumference of the door cover 4 and the second
  • the tapered surface is connected to one side;
  • the first tapered surface corresponds to the horizontally curved surface of the inner cylinder mouth 101, and the horizontal curved surface is a cylindrical surface horizontally bent from the inner cylinder mouth 101 to the outside of the inner cylinder 1, horizontal
  • the inner diameter of the curved surface is equal to or slightly smaller than the maximum diameter of the first tapered surface;
  • the end of the horizontal curved surface is gradually inclined outward to form a tapered fixing portion 16, and the second tapered surface constitutes the inclined portion 15, The contact is made in correspondence with the fixing portion 16.
  • a tubular, radially expandable sealing tube 14 is further disposed between the inner cylinder cover 8 and the door cover 4.
  • One end of the sealing tube 14 is sealed and connected to the outer periphery of the door cover 4, and the other end is
  • the door cover 4 is fixedly connected to seal the elastic mechanism to the inside of the sealing tube 14, and the inner tube cover 8 can move relative to the door cover 4 according to the expansion and contraction of the sealing tube 14;
  • the sealing tube 14 is made of elastic rubber
  • the material is composed of bellows.
  • the end of the sealing tube 14 and the door cover 4 are relatively rotatable about the axis of the inner cylinder 1 so that the sealing tube 14 does not rotate together when the door cover 4 rotates together with the inner cylinder 1.
  • the water flow is discharged, and the inner cylinder is sealed with water for normal washing during the working process of the washing machine, and the following settings are made:
  • a dehydration structure of a washing machine an inner cylinder 1 is installed in the washing machine casing 2, and the inner cylinder 1 is a cone-shaped cylinder with a small diameter at one end and a large diameter at one end, and a dewatering channel is provided at the large end of the inner cylinder 1 36.
  • One end of the dehydration passage 36 communicates with the large end of the inner cylinder 1, and the other end passes through the inner cylinder 1 through the center of the large end and communicates with the washing machine drain 31.
  • a dehydration method of the washing machine is also described.
  • the inner cylinder rotates at a certain rotation speed, so that the washing water in the inner cylinder that is detached from the laundry flows under the centrifugal force to the inner wall of the conical inner cylinder to the large end, and the water flows to the inner cylinder.
  • the dewatering flow path provided along the large mouth end flows out from the center of the large end of the inner tube, and flows out along the drain pipe to the washing machine to realize the discharge of the washing water in the inner tube.
  • the inner cylinder 1 In the normal washing process of the drum washing machine, the inner cylinder 1 is generally rotated at a low speed, and the water in the inner cylinder 1 is not subjected to too much centrifugal force, so that the laundry and the water flow in the inner cylinder 1 are beaten and washed as the inner cylinder rotates at a low speed.
  • the effect is that the water flow in the inner cylinder 1 does not converge to the large end and does not discharge the washing machine; and when the drum washing machine is in the dehydration process, the inner cylinder 1 rotates at a high speed, and the inner cylinder 1 is detached from the laundry.
  • the centrifugal force of the inner cylinder rotates, so that the water flow in the inner cylinder 1 is condensed and flows toward the large end of the inner cylinder, and flows into the dewatering flow passage 36 provided at the large end of the inner cylinder, and flows out of the inner cylinder 1 through the center of the large end of the inner cylinder 1 and The washing machine is discharged from the drain pipe 31.
  • the water flow in the inner cylinder is not affected by the centrifugal force, and does not converge toward the large end of the inner cylinder.
  • the water flow in the inner cylinder is rotated by the centrifugal force, and the large end of the inner cylinder is dehydrated.
  • the flow channel flows and is discharged, so that the water in the inner cylinder does not flow out from the drain when the inner cylinder rotates normally, thereby realizing the inner cylinder sealing and the drainage valve opening when the inner cylinder rotates.
  • the effect achieves the purpose of normal dehydration of the washing machine with the inner cylinder rotation and the water-filling effect; at the same time, the outer cylinder can be externally required without the outer cylinder, the volume of the inner cylinder is increased, and the washing capacity of the washing machine is improved.
  • the front end of the inner cylinder 1 is the inner cylinder mouth 101
  • the rear end is the inner cylinder bottom 102
  • the inner cylinder mouth 101 and the inner cylinder bottom 102 are connected by the inner cylinder side wall
  • the inner cylinder side wall is the inner cylinder
  • the tubular opening 101 gradually increases the diameter of the inner cylindrical base 102 to form a tapered inner cylinder 1
  • the inner cylinder bottom 102 is mounted on the inner cylinder support 3 via a rotating shaft
  • the dewatering flow passage 36 is disposed in the inner cylinder bottom 101.
  • one end of the dewatering flow path 36 is disposed at the intersection of the inner cylinder bottom 101 and the inner cylinder side wall, the other end passes through the center of the inner cylinder bottom 101 and passes through the motor shaft along the axis, and the discharge end of the dewatering flow passage 36 and the washing machine
  • the drain pipes 31 are in communication.
  • the inner cylinder bottom 102 is provided with a plurality of dewatering flow passages 36.
  • One end of each dewatering flow passage 36 is evenly spaced at an outer circumference of the inner cylinder bottom 102 and communicates with the inner cylinder 1 and the other end meets.
  • one end of at least one dewatering flow path 36 is disposed in the middle of the inner cylinder bottom 102 and communicates with the inner portion of the inner cylinder 1, and the other end passes through the center of the inner cylinder bottom 102 and communicates with the washing machine drain pipe 31;
  • the ends of the adjacent dewatering passages 36 are alternately disposed at the central portion or the outer peripheral portion of the inner cylinder bottom 102.
  • a plurality of uniformly distributed dewatering passages respectively disposed at the ends of the inner cylinder and the middle portion or the outer peripheral portion are disposed on the inner cylinder bottom to adsorb the water flow at each portion of the inner cylinder bottom to improve the dehydration of the water flow in the inner cylinder. effectiveness.
  • each of the dewatering channels 36 is formed by hollow ribs protruding from the inner side of the inner cylinder bottom 102.
  • the hollow ribs lift and beat the water flow and the clothes in the inner cylinder 1 to The laundry is washed so that the inwardly projecting dewatering flow path 36 is provided with an auxiliary lifting rib function for lifting, beating and washing the laundry in the inner cylinder 1.
  • the dewatering channel 36 and/or the drain pipe 31 are provided with a drain pump 33 for applying pressure to the water flow flowing to the bottom portion 102 of the washing machine along the dewatering channel 36 and the drain pipe 31 to the washing machine.
  • the drain pump 33 is turned on when the drum washing machine is in the normal washing state, and the drum washing machine performs the spin-drying process to realize the manipulation of the water flow ejector in the inner tub of the washing machine and to provide the water flow driving force.
  • a dehydration method of the washing machine according to the fourth embodiment is described.
  • the inner cylinder rotates at a certain rotation speed, so that the washing water in the inner cylinder flows under the centrifugal force to the inner wall of the conical inner cylinder to the large end, and the water flows into the inner tube.
  • the dewatering flow path provided along the large mouth end of the large end of the tube flows out from the center of the large end of the inner tube, and flows out of the washing machine along the drain pipe to realize the discharge of the washing water in the inner tube.
  • the water flow in the inner cylinder is not affected by the centrifugal force, and does not converge toward the large end of the inner cylinder.
  • the washing machine is dehydrated, the water flow in the inner cylinder is rotated by the centrifugal force and the large end of the inner cylinder is dehydrated.
  • the flow channel flows and is discharged, so that the water in the inner cylinder does not flow out from the dehydration port when the inner cylinder rotates normally, thereby achieving the effect of the normal discharge of the water in the inner cylinder when the inner cylinder is sealed and dehydrated during the inner cylinder rotation process. It achieves the purpose of normal dehydration of the washing machine with the dual function of inner cylinder rotation and water filling.
  • Step 1 The inner cylinder of the washing machine rotates at a certain rotation speed, and the water flow in the inner cylinder flows under the centrifugal force to the side of the inner cylinder side wall;
  • Step 2 Under the action of the conical inner cylinder, the water flow on the side wall of the inner cylinder is guided by the side wall of the inner cylinder and the centrifugal force during the rotation of the inner cylinder, so that the water in the inner cylinder flows to the inner bottom of the larger diameter cylinder. ;
  • Step 3 The water flowing to the bottom of the inner cylinder flows into the dewatering flow channel provided on the bottom of the inner cylinder, and flows out of the inner cylinder from the center of the inner cylinder along the dehydration flow passage, and then discharges the washing machine along the drainage pipe.
  • the drain pump on the dehydration channel and/or the drain pipe starts to work to apply pressure to the water flow to the bottom of the inner tube, so that the water flows along the dehydration channel and the drain pipe and is discharged to The outside of the washing machine.
  • the draining pump and/or the drain pump on the drain pipe do not work, so that the water in the inner cylinder is not adsorbed by the drain pump, so that the water in the inner cylinder is retained and the laundry is normally washed. .
  • the inner cylinder rotates at a medium-high speed, so that the water in the inner cylinder is pressed by the centrifugal force to fit the side wall of the inner cylinder and flows toward the large end of the inner cylinder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

La présente invention concerne une structure de vidange d'une machine à laver. Une cuve intérieure est montée dans une coque de la machine à laver, la cuve intérieure est pourvue d'un orifice de vidange, et une soupape de vidange est montée au niveau de l'orifice de vidange ; la machine à laver est en outre pourvue d'un mécanisme de verrouillage de positionnement pour faire tourner et fixer la cuve intérieure à une position de vidange fixe ; la machine à laver est en outre pourvue d'un mécanisme d'ouverture de noyau de soupape pour ouvrir la soupape de vidange après que la cuve interne a tourné vers la position de drainage fixe de sorte que la soupape de drainage est ouverte pour décharger l'eau de lavage dans la cuve intérieure pendant la vidange de la machine à laver et après que la cuve interne a tourné vers la position de vidange fixe. Au moyen des réglages ci-dessus, la soupape de vidange est dans un état fermé à l'état normal de la machine à laver et dans un état ouvert sous l'action combinée du mécanisme de verrouillage de positionnement et du mécanisme d'ouverture de noyau de soupape pendant la vidange de la machine à laver de sorte que sont obtenus les effets d'étanchéité de la cuve interne pendant le processus de rotation de la cuve interne et d'ouverture de la soupape de vidange pour évacuer normalement l'eau dans la cuve interne pendant la vidange ; de plus, aucune cuve externe n'est nécessaire pour être emmanchée à l'extérieur de la cuve intérieure, augmentant le volume de la cuve intérieure et améliorant la capacité de lavage de la machine à laver.
PCT/CN2018/084809 2017-04-28 2018-04-27 Structure de vidange pour machine à laver WO2018196847A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019558791A JP7012095B2 (ja) 2017-04-28 2018-04-27 洗濯機
EP18790099.8A EP3617384A4 (fr) 2017-04-28 2018-04-27 Structure de vidange pour machine à laver
US16/609,061 US20200149208A1 (en) 2017-04-28 2018-04-27 Draining structure of a washing machine

Applications Claiming Priority (2)

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CN201710295057 2017-04-28
CN201710295057.2 2017-04-28

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EP (1) EP3617384A4 (fr)
JP (1) JP7012095B2 (fr)
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WO (1) WO2018196847A1 (fr)

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JP7240488B2 (ja) * 2018-10-17 2023-03-15 青島海爾洗衣机有限公司 洗濯機の排水装置、洗濯機及びその制御方法
CN111321560A (zh) * 2018-12-14 2020-06-23 青岛海尔洗衣机有限公司 一种洗衣机
CN111485369B (zh) * 2019-01-25 2023-01-03 青岛海尔洗衣机有限公司 一种洗衣机的控制方法及免清洗洗衣机
CN111607932A (zh) * 2019-02-25 2020-09-01 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN111636175A (zh) * 2019-03-01 2020-09-08 青岛海尔洗衣机有限公司 一种滚筒洗衣机
CN111636174A (zh) * 2019-03-01 2020-09-08 青岛海尔洗衣机有限公司 一种滚筒洗衣机
CN111691130A (zh) * 2019-03-13 2020-09-22 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机的内筒及滚筒洗衣机
CN111691118B (zh) * 2020-06-22 2022-09-13 海信冰箱有限公司 洗衣机
CN112760900B (zh) * 2020-12-14 2022-03-08 珠海格力电器股份有限公司 洗涤脱水组件和洗衣机
CN113123086A (zh) * 2021-03-26 2021-07-16 海信（山东）冰箱有限公司 滚筒洗衣机及滚筒洗衣机的控制方法
CN115216933A (zh) * 2021-04-19 2022-10-21 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN115142236B (zh) * 2022-07-15 2023-07-18 珠海格力电器股份有限公司 一种洗衣机

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CN108797019B (zh) 2022-03-18
US20200149208A1 (en) 2020-05-14
JP2020518347A (ja) 2020-06-25
EP3617384A1 (fr) 2020-03-04
CN108797019A (zh) 2018-11-13
JP7012095B2 (ja) 2022-01-27

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