WO2020038203A1 - 一种洗衣机用减震装置及抽拉式洗衣机 - Google Patents

一种洗衣机用减震装置及抽拉式洗衣机 Download PDF

Info

Publication number
WO2020038203A1
WO2020038203A1 PCT/CN2019/098682 CN2019098682W WO2020038203A1 WO 2020038203 A1 WO2020038203 A1 WO 2020038203A1 CN 2019098682 W CN2019098682 W CN 2019098682W WO 2020038203 A1 WO2020038203 A1 WO 2020038203A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
washing machine
plunger
shock absorbing
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/098682
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
赵志强
许升
吕佩师
杨旭光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
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
Priority claimed from CN201810948270.3A external-priority patent/CN110886066B/zh
Priority claimed from CN201810949979.5A external-priority patent/CN110846848A/zh
Priority claimed from CN201810948274.1A external-priority patent/CN110846855A/zh
Priority claimed from CN201810950129.7A external-priority patent/CN110846857B/zh
Priority claimed from CN201810950003.XA external-priority patent/CN110846849B/zh
Priority claimed from CN201810950121.0A external-priority patent/CN110846856B/zh
Application filed by Qingdao Haier Washing Machine Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to JP2021509835A priority Critical patent/JP7546833B2/ja
Publication of WO2020038203A1 publication Critical patent/WO2020038203A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical 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
    • D06F9/00—Brushing-type washing machines

Definitions

  • the present invention relates to the technical field of laundry equipment, and in particular, to a shock absorbing device for a washing machine and a pull-type washing machine.
  • Washing machines as one of the most widely used household appliances, have an important position in people's lives, but with the development of society, people have increasingly higher requirements for the experience of washing machines. Depending on the type of clothing or different User requirements for classified washing have gradually become a trend. However, due to the limitation of family space and related supporting of washing machines, not all households can place a second or even a third washing machine. Therefore, how to improve the structure of existing washing machines to better meet the classification of users Washing requirements have become an urgent technical issue.
  • the existing application number is 201310290147.4, the application date is 2013-07-09, and the invention name is a Chinese invention patent for a dual-drum washing machine.
  • the invention discloses a dual-drum washing machine including a washing machine frame. A first outer cylinder and a second outer cylinder installed in the frame, the first outer cylinder and the second outer cylinder are integrally provided with a counterweight mounting post for installing a weight block; the first outer cylinder and the second outer cylinder
  • the barrels are connected as a whole via a connecting piece; the connecting piece is fixedly connected to a weight mounting post on the first outer barrel and / or the second outer barrel.
  • the first outer cylinder and the second outer cylinder are connected into an integrated structure through a connecting member, so as to effectively improve the compactness of the washing machine.
  • the connecting member is fixedly connected by a weight installation post on the first outer cylinder or the second outer cylinder.
  • the first and second outer cylinders use a common counterweight, and
  • the drum or the second outer drum is used as at least a part of the weight of the second outer drum or the first outer drum, so that the shock absorption effect of the two drums of the washing machine is obvious, and the production cost is reduced.
  • the above invention provides a dual-drum washing machine, which solves the problem of classified washing of the washing machine.
  • users who are more suitable for pulsator washing machines they are limited by the top-loading method of the pulsator washing machine, and the two pulsator washing machines cannot be moved up and down Stacking is used to solve the above problems.
  • the top-loading method of the pulsator washing machine also has a certain height requirement for its placement space.
  • a first object of the present invention is to provide a shock absorbing device for a washing machine. Specifically, the following technical solutions are adopted:
  • a shock absorbing device for a washing machine includes:
  • a plunger with a first connection structure at one end;
  • the sleeve has a hollow chamber with an open end at one end, and the other end of the plunger is slidably sleeved in the hollow chamber of the sleeve.
  • the opposite end of the sleeve opposite the opening of the hollow chamber has a second connection structure.
  • the first shock-absorbing spring is set on the outside of the plunger
  • a second shock-absorbing spring sleeved on the outside of the sleeve
  • a sliding sleeve which is slidably set outside the plunger / sleeve and is located between the first damping spring and the second damping spring.
  • first bracket is disposed on an end of the plunger close to the first connection structure
  • second bracket is disposed on an end of the sleeve close to the second connection structure
  • the sliding sleeve has a circumferential outward direction.
  • One end of the first damping spring is convex against the first bracket, and the other end is against the limiting convex portion, and one end of the second damping spring is against the second bracket.
  • the other end of the seat rests on the limiting protrusion.
  • an end of the plunger close to the first connection structure has a limiting protrusion
  • the first bracket is an annular flange
  • the center of the first bracket has a limiting groove
  • the limiting groove of the first bracket Cooperate with the limit protrusion on the plunger to realize the limit installation of the first bracket
  • the second bracket is a ring-shaped flange formed on an outer periphery of an end of the sleeve near the second connection structure.
  • first damping spring and the second damping spring have different elastic coefficients
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is smaller than that of the second shock absorbing spring. Coefficient of elasticity.
  • a sleeve friction plate is arranged in the hollow cavity of the sleeve, and one end of the plunger is sleeved in the hollow cavity of the sleeve to keep contact with the sleeve friction plate.
  • the sleeve friction plate is an annular friction plate, and a plurality of annular friction plates are uniformly disposed in the hollow cavity of the sleeve along its axial direction.
  • the sliding sleeve is provided with a sliding sleeve friction plate in contact with the outer wall of the plunger / sleeve in the sliding sleeve.
  • connection structure is a connection thread provided at one end of the plunger, and the connection thread cooperates with a nut to fixedly connect the plunger to the supported shock-absorbing body;
  • the second connection structure is a connection thread provided at one end of the sleeve, and the connection thread cooperates with a nut to fixedly connect the sleeve to the fixed support.
  • first damping spring and the second damping spring partially overlap to reduce the overall height thereof.
  • the sliding sleeve has a first limit portion for stopping against one end of the first damping spring and a second limit portion for stopping against one end of the second damping spring, the first limit The position portion extends to an axial height range of the second damping spring, and the second limit portion extends to an axial height range of the first damping spring.
  • first damping spring is disposed on an upper portion of the second damping spring, and a height of the first limiting portion is lower than a height of the second limiting portion.
  • first position-limiting portion is a position-limiting chamber formed in the middle of the sliding sleeve and extending toward the inside of the second damping spring, and one end of the first position-absorbing spring stops against the position-limiting cavity
  • the second limiting portion is a limiting flange formed by circumferentially extending the opening edge of the limiting chamber, and one end of the second damping spring stops against the limiting flange.
  • first damping spring and the second damping spring have different elastic coefficients
  • an outer diameter of the first damping spring is smaller than an inner diameter of the second damping spring
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is smaller than that of the second shock absorbing spring. Coefficient of elasticity.
  • the plunger is spaced from the opening of the hollow chamber of the sleeve.
  • a friction plate is disposed on one end of the plunger located inside the hollow chamber, and the friction plate is maintained in contact with the inner wall of the hollow chamber of the sleeve.
  • the sliding sleeve is provided with a sliding sleeve friction plate in contact with the outer wall of the plunger / sleeve in the sliding sleeve.
  • the second object of the present invention is to provide a shock absorbing device for a washing machine. Specifically, the following technical solutions are adopted:
  • a shock absorbing device for a washing machine includes:
  • a plunger with a first connection structure at one end and a sliding plug body at the other end;
  • the sleeve has a hollow chamber open at one end therein, and the sliding plug body of the plunger is relatively slidably disposed in the hollow chamber of the sleeve, and the opposite end of the sleeve opposite the opening of the hollow chamber has a second connection structure ;
  • a first shock-absorbing spring sleeved outside the plunger located in the hollow chamber
  • a second shock-absorbing spring sleeved in the hollow cavity of the sleeve
  • the first damping spring and the second damping spring are respectively located on two sides of the sliding plug body of the plunger.
  • the sliding plug body is disposed at an end of one end of the plunger located in the hollow cavity of the sleeve, and the sliding plug body is in sliding contact with the inner wall of the hollow cavity of the sleeve;
  • the first damping spring is sleeved on the outside of the plunger located in the hollow cavity, one end of which is against the inner wall of the sleeve, and the other end of which is against one side of the sliding plug body;
  • the second damping spring is sleeved in the hollow cavity of the sleeve, and one end stops against the inner wall of the hollow cavity of the sleeve, and the other end stops against the other side of the sliding plug body.
  • the plunger includes a cylinder, one end of the cylinder has a first connection structure, and the other end is connected to a sliding plug body;
  • the sleeve includes a cylinder and a cover having a hollow chamber open at one end in the cylinder.
  • a cover body is installed on the open opening of the hollow chamber, and the middle part of the cover body has a through hole for the cylinder of the plunger to pass through.
  • the post body and the passing hole are spaced from each other.
  • a limiting groove is provided on one side surface of the cover body located in the hollow cavity of the sleeve, and one end of the first damping spring stops in the limiting groove.
  • connection structure is a connection thread provided at one end of the column body, and the connection thread cooperates with a nut to fixedly connect the column plug to the supported shock-absorbing body;
  • the second connection structure is a connection thread provided at one end of the sleeve, and the connection thread cooperates with a nut to fixedly connect the sleeve to the fixed support.
  • a friction plate which is in contact with the inner wall of the hollow cavity of the sleeve is provided on the outer periphery of the sliding plug body.
  • first damping spring and the second damping spring have different elastic coefficients
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is smaller than that of the second shock absorbing spring. Coefficient of elasticity.
  • a third invention object of the present invention is to provide a shock absorbing device for a washing machine. Specifically, the following technical solution is adopted:
  • a shock absorbing device for a washing machine includes:
  • a plunger with a first connection structure at one end;
  • the first shock-absorbing spring is sleeved on the outside of the plunger, and the two ends stop the plunger and the sleeve respectively;
  • the second damping spring is sleeved in the hollow cavity of the sleeve.
  • a sliding plug body is provided at one end of the plunger located in the hollow cavity of the sleeve;
  • the second damping spring is sleeved outside the plunger located in the hollow cavity, one end of which is against the inner wall of the hollow cavity of the sleeve, and the other end is against one side of the sliding plug body;
  • the second damping spring is sleeved in the hollow cavity of the sleeve, and one end stops against the inner wall of the hollow cavity of the sleeve, and the other end stops against the other side of the sliding plug body.
  • the plunger includes a cylinder, one end of the cylinder has a first connection structure, and the other end is connected to a sliding plug body;
  • the sleeve includes a cylinder and a cover having a hollow chamber open at one end in the cylinder.
  • a cover body is installed on the open opening of the hollow chamber, and the middle part of the cover body has a through hole for the cylinder of the plunger to pass through.
  • the post body and the passing hole are spaced from each other.
  • a friction plate which is in contact with the inner wall of the hollow cavity of the sleeve is provided on the outer periphery of the sliding plug body.
  • first bracket is provided on an end of the plunger close to the first connection structure
  • second bracket is provided on an end of the sleeve close to the second connection structure
  • one end of the first damping spring is provided. It stops on the first bracket, and the other end stops on the second bracket.
  • an end of the plunger close to the first connection structure has a limiting protrusion
  • the first bracket is an annular flange
  • the center of the first bracket has a limiting groove
  • the limiting groove of the first bracket Cooperate with the limit protrusion on the plunger to realize the limit installation of the first bracket
  • the second bracket is a ring-shaped flange formed on an outer periphery of an end of the sleeve near the second connection structure.
  • first damping spring and the second damping spring have different elastic coefficients
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is greater than that of the second shock absorbing spring. Coefficient of elasticity.
  • a fourth invention object of the present invention is to provide a pull-out type washing machine. Specifically, the following technical solution is adopted:
  • a pull-type washing machine includes a casing and a washing unit.
  • the casing has a receiving chamber inside, and one side wall of the casing is opened; the washing unit is installed in the receiving chamber inside the casing. And can be pushed in / out from the opening of the housing;
  • the washing unit includes a mounting rack and a washing tub assembly mounted on the mounting rack, and the washing tub assembly is supported in the mounting rack through a shock absorbing device.
  • the washing tub assembly includes an outer tub and an inner tub rotatable inside the outer tub, the mounting bracket includes a base, and the outer tub is mounted on the base through a shock absorbing device;
  • a plurality of damping ears are evenly arranged on the outer periphery of the outer tub, and the damping device is installed between the damping ears and the base.
  • the fifth invention object of the present invention is to provide a pull-out type washing machine. Specifically, the following technical solutions are adopted:
  • a pull-type washing machine includes a casing and a washing unit.
  • the casing has a receiving chamber inside, and one side wall of the casing is opened; the washing unit is installed in the receiving chamber inside the casing. And it can be pushed in / out from the opening of the housing.
  • the washing unit includes a mounting rack and a washing tub assembly mounted on the mounting rack.
  • the mounting rack includes two side plates disposed in parallel and opposite to each other, and the two side plates are respectively between the inner side walls of the housing receiving chamber. Sliding connection via slide rail.
  • the washing tub assembly includes an outer tub and an inner tub rotatable inside the outer tub, the mounting bracket includes a base, and the outer tub is mounted on the base through a shock absorbing device;
  • a plurality of damping ears are evenly arranged on the outer periphery of the outer tub, and the damping device is installed between the damping ears and the base.
  • the damping device includes:
  • a plunger with a first connection structure at one end;
  • the sleeve has a hollow chamber open at one end, and the other end of the plunger is slidably sleeved in the hollow chamber of the sleeve.
  • the sleeve has a second connection structure on the opposite end to the hollow chamber. ;
  • the first shock-absorbing spring is set on the outside of the plunger
  • a second shock-absorbing spring sleeved on the outside of the sleeve
  • a sliding sleeve which is slidably set outside the plunger / sleeve and is located between the first damping spring and the second damping spring.
  • the mounting bracket includes an upper cover plate that covers the opening of the outer barrel.
  • the upper cover plate is provided with an access opening corresponding to the inner barrel, and an opening / closing door cover is installed on the access opening;
  • a laundry treatment agent dispensing box is provided for containing laundry treatment agents.
  • the washing unit includes a front panel, the front panel is mounted on a mounting frame and blocks the opening of the containing chamber after the washing unit is pushed into the containing chamber inside the housing;
  • a control panel is disposed on the front panel, and the control panel is disposed on an upper portion of the front panel;
  • a handle is provided on the front panel.
  • a water inlet solenoid valve is provided on the casing, and the water inlet solenoid valve communicates with the washing unit through the water inlet pipe;
  • the washing machine includes a first linkage protection body for protecting the water inlet pipe during the push-pull washing unit.
  • One end of a linked protection body is connected to the casing, and the other end is connected to the washing unit.
  • the first linked protection body has a receiving channel for receiving a water inlet pipe inside;
  • the laundry includes a power cord for supplying power to the control panel, and the solenoid valve and the control panel are electrically connected by a connecting wire, and the power cord and / or the connecting wire are disposed in a container inside the first linkage protection body. Set inside the channel.
  • the washing unit has a drainage port, and the drainage port communicates with a drainage control device through a drainage pipe.
  • the washing machine includes a second linkage protection body for protecting the drainage pipeline during the push-pull washing unit, and the second linkage protection One end of the body is connected to the casing, and the other end is connected to the washing unit.
  • the second linkage protection body has a receiving channel for receiving a drainage pipe inside;
  • the washing machine includes a driving device installed at the bottom of the outer tub, and the driving device and the control panel are electrically connected by a connecting wire, and the connecting wire is disposed in a receiving channel inside the second linkage protection body.
  • a detection device is installed on the casing for sensing whether the washing unit is pushed into the accommodation chamber or not;
  • the detection device is a photoelectric induction switch or a reed switch.
  • the washing unit has a door lock, and a lock is provided on the housing, and the door lock and the lock are locked after the washing unit is pushed into the accommodation chamber.
  • it further comprises a linkage protection body connected at both ends to the housing and the washing unit, respectively, and the linkage protection body has a circuit for accommodating a water path communicating with the washing unit and / or a circuit electrically connected to electrical components of the washing unit.
  • the accommodation channel
  • the linkage protection body is a towline structure, and the towline structure has an accommodation channel therein, and the waterway or circuit is arranged in the towline structure inside the towline structure.
  • the washing unit includes an outer tub for holding water, and a water inlet solenoid valve is provided on the casing, and the water inlet solenoid valve communicates with the outer barrel through a water inlet pipeline;
  • the linkage protection body includes A first linkage protection body for protecting the water inlet pipeline during the washing unit, and the first linkage protection body has an accommodation channel for containing the water inlet pipeline inside.
  • the washing unit includes a mounting bracket and a front panel, the front panel is mounted on the mounting bracket and blocks the opening of the containing chamber after the washing unit is pushed into the containing chamber inside the housing, and the front panel Set the control panel;
  • the washing machine includes a power line for supplying power to the control panel.
  • the solenoid valve and the control panel are electrically connected through a connection wire.
  • the power line and / or the connection wire are disposed in a receiving channel inside the first linkage protection body. .
  • the washing unit includes an outer tub for holding water, the bottom of the outer tub has a drainage port, and the drainage port communicates with a drainage control device through a drainage pipe, and the linkage protection body includes protection for the push-pull washing unit during the process.
  • the second linkage protection body of the drainage pipeline has an accommodation channel for accommodating the drainage pipeline inside the second linkage protection body.
  • the driving device installed at the bottom of the outer tub.
  • the driving device and the control panel are electrically connected by a connecting wire, and the connecting wire is disposed in a receiving channel inside the second linkage protection body.
  • a guiding mechanism for guiding the linked protective body to move according to a predetermined trajectory is provided in the accommodating cavity of the housing.
  • the guide mechanism is a guide rail provided along the drawing direction of the washing unit, the guide rail has a guide groove, the linkage protection body is a drag chain, one end of the drag chain is fixedly installed on the casing, and the other end is connected
  • the guide post is slidably arranged in the guide groove of the guide rail to perform a reciprocating linear motion along with the push-pull washing unit.
  • the linkage protection body is an elastic tubular structure made of a flexible material, the tubular structure has a receiving channel inside, and the waterway or circuit is arranged in the receiving channel inside the towline structure.
  • the linkage protection body is a telescopic tube structure, and the telescopic tube structure has a receiving channel inside, and the waterway or circuit is arranged in the receiving channel inside the towline structure.
  • the shock absorbing device of the present invention includes a first shock absorbing spring and a second shock absorbing spring.
  • the first shock absorbing spring When a small shock is received, the first shock absorbing spring is compressed for shock absorption adjustment, and when receiving a large shock, the first shock absorbing is performed.
  • the spring and the second damping spring are jointly compressed for damping adjustment.
  • the shock absorbing device of the present invention adopts a mode of supporting shock absorption, and the shock absorbing effect is ensured through the shock absorbing adjustment of the first shock absorbing spring and the second shock absorbing spring.
  • the shock absorbing device of the present invention adopts a mode of supporting shock absorbing, and the shock absorbing adjustment is performed by connecting the first shock absorbing spring and the second shock absorbing spring in series to ensure the shock absorbing effect.
  • the pull-type washing machine of the present invention changes the existing open top type of the pulsator washing machine to a pull-type, which reduces the requirements for the space for placement, and can be placed in a wider range, such as below or above a wash basin, or a wall It can also be stacked with the traditional pulsator washing machine to form an integrated duplex structure at any position, such as on a rack, or two pull-type washing machines stacked up and down to form an integrated duplex structure, which better meets users' needs for washing machine types. Choices and laundry assortment choices.
  • the present invention adopts a linkage protection body with an accommodation channel inside, and the linkage protection body is then linked during the push-pull process of the washing unit to ensure that the water path communicated with the washing unit and / or the circuit that is electrically connected to the electrical components of the washing unit Connection stability.
  • FIG. 1 is a front view of a pull-type washing machine according to the first and second embodiments of the present invention
  • FIG. 2 is a side view of the pull-type washing machine according to the first and second embodiments of the present invention.
  • FIG 3 is a side view of the pull-type washing machine according to the first and second embodiments of the present invention (the washing unit is opened);
  • FIG. 4 is a schematic perspective view of a three-dimensional structure of a pull-type washing machine according to the first and second embodiments of the present invention.
  • FIG. 5 is a cross-sectional view of the pull-type washing machine according to the first and second embodiments of the present invention along the A-A plane in FIG. 1;
  • FIG. 6 is a sectional view of the pull-type washing machine according to the first and second embodiments of the present invention, taken along the B-B plane in FIG. 1;
  • FIG. 7 is a schematic diagram of a three-dimensional structure of a pull-type washing machine according to the first and second embodiments of the present invention (the top plate and the side plate of the casing are removed, and the washing unit is closed);
  • FIG. 8 is a schematic diagram of the three-dimensional structure of the pull-type washing machine in the first and second embodiments of the present invention (the top plate and the side plate of the casing are removed, and the washing unit is opened);
  • FIG. 9 is a schematic diagram of a three-dimensional mechanism of a shock absorbing device according to a third embodiment of the present invention.
  • FIG. 10 is a front view of a shock absorbing device according to a third embodiment of the present invention.
  • FIG. 11 is a cross-sectional view of the shock absorbing device according to the third embodiment of the present invention, taken along the C-C plane in FIG. 10 (Embodiment 1);
  • FIG. 12 is a cross-sectional view of the shock absorbing device according to the third embodiment of the present invention along the C-C plane in FIG. 10 (the second embodiment);
  • FIG. 13 is a plan view of a vibration damping device according to a third embodiment of the present invention.
  • FIG. 14 is a schematic diagram of a three-dimensional mechanism of a shock absorbing device according to a fourth embodiment of the present invention.
  • FIG. 15 is a front view of a shock absorbing device according to a fourth embodiment of the present invention.
  • FIG. 16 is a cross-sectional view of the fourth embodiment of the present invention, the vibration damping device along the D-D plane in FIG. 15 (Embodiment 1);
  • FIG. 17 is a cross-sectional view of the shock absorbing device according to the fourth embodiment of the present invention, taken along the plane D-D in FIG. 15 (the second embodiment);
  • FIG. 18 is a schematic diagram of a three-dimensional mechanism of a shock absorbing device according to a fifth embodiment of the present invention.
  • FIG. 19 is a front view of a shock absorbing device according to a fifth embodiment of the present invention.
  • FIG. 20 is a cross-sectional view of the fifth vibration damping device according to the embodiment of the present invention along the E-E plane in FIG. 19;
  • 21 is a schematic perspective view of a three-dimensional mechanism of a shock absorbing device according to a sixth embodiment of the present invention.
  • FIG. 22 is a front view of a shock absorbing device according to a sixth embodiment of the present invention.
  • Fig. 23 is a sectional view of the sixth embodiment of the present invention, the vibration damping device taken along the plane F-F in Fig. 22;
  • a pull-type washing machine of this embodiment includes a casing 5 and a washing unit.
  • the casing 5 has a receiving chamber therein, and an opening is formed on a side wall of the casing 5;
  • the washing unit is installed in the accommodating chamber inside the casing 5 and can be pushed in / out from the opening of the casing.
  • the existing pulsator washing machine is changed from a top-open type to a pull-type, which reduces the requirements on the space for placement, and can be placed in a wider range, such as below or above the wash basin, or Arbitrary positions such as on the wall shelf can also be stacked on top of a traditional pulsator washing machine to form an integrated duplex structure, or two pull-out washing machines can be stacked on top of each other to form an integrated duplex structure, which better meets users' needs for washing machines.
  • Choice of type and choice of laundry assortment are used to be changed from a top-open type to a pull-type, which reduces the requirements on the space for placement, and can be placed in a wider range, such as below or above the wash basin, or Arbitrary positions such as on the wall shelf can also be stacked on top of a traditional pulsator washing machine to form an integrated duplex structure, or two pull-out washing machines can be stacked on top of each other to form an integrated duplex structure, which better meets users' needs for washing machines.
  • the pull-type washing machine of the present invention is different from the traditional pulsator washing machine, realizes the full use of space, provides users with a variety of washing spaces, and meets the requirements of classified washing.
  • the washing unit in this embodiment includes a mounting bracket 11 and a washing tub assembly mounted on the mounting bracket.
  • the mounting bracket 11 includes two side plates disposed in parallel and opposite to each other, and the two side plates are respectively connected to the housing receiving chamber.
  • the inner side walls are slidably connected by a slide rail.
  • the slide rail of this embodiment includes an inner rail 9 and an outer rail 41.
  • the inner rail 9 is fastened to the mounting bracket 11.
  • the inner rail 9 is provided with an inner slide rail mounting post 10.
  • the outer rail 41 is fastened to the casing.
  • An outer track fixing bracket 35 is provided on the bottom of the body 5.
  • the inner track 9 and the outer track 41 can be operated by sliding friction, or rollers, balls, and gears can be arranged between the two, which can be pushed and pulled smoothly and load-bearing.
  • damping structures such as damping grease can also be set to achieve damping , Even if you use force to push the drawer, it will close gently to ensure perfect and soft movement.
  • the washing tub assembly of this embodiment includes an outer tub 20 and an inner tub 21 rotatably disposed in the outer tub 20.
  • the mounting bracket 11 includes a base.
  • the outer tub 20 is mounted on a vibration damping device 36. On the base.
  • a plurality of damping ears 34 are evenly arranged on the outer periphery of the outer tub 20, and the damping device 36 is installed between the damping ears 34 and the base.
  • the pull-type washing machine of this embodiment combines its own structural characteristics and adopts a shock-absorbing device 36 that supports a shock-absorbing method, which can further reduce the overall height of the pull-type washing machine and ensure the stability of its shock absorption.
  • a motor 22 is provided at the bottom of the bucket 20 in this embodiment, and the inner bucket 21 or the pulsator is driven to rotate through the transmission shaft 23.
  • the mounting bracket 11 includes an upper cover 16 that covers the opening of the outer tub.
  • the upper cover 16 is provided with an access opening corresponding to the inner barrel 21, and an opening / closing door cover is installed on the access opening. 15;
  • the upper cover plate 16 is provided with a laundry treatment agent dropping box for containing a laundry treatment agent.
  • An upper cover plate 16 is provided on the upper part of the mounting frame in this embodiment, which is beautiful, and a door cover 15 is provided, which can be rotated and opened by the rotating shaft 14 to pick and place clothes.
  • the washing unit includes a front panel 3, which is mounted on the mounting frame 11 and blocks the opening of the containing chamber after the washing unit is pushed into the containing chamber inside the housing;
  • a control panel 19 is disposed on the front panel 3, and the control panel 19 is disposed on an upper portion of the front panel for a user to input a control instruction;
  • a handle 2 is provided on the front panel 3.
  • two angled spaces near the front panel on the upper cover plate 16 are provided with a laundry treatment agent dispensing box, such as a detergent dispensing box 17, a softener dispensing box 18, and a hose is connected to the inner tub 21 or the outer tub 20.
  • a laundry treatment agent dispensing box such as a detergent dispensing box 17, a softener dispensing box 18, and a hose is connected to the inner tub 21 or the outer tub 20.
  • the casing of this embodiment is provided with a water inlet 7 which is connected to the electromagnetic field 30 and communicates with the treatment agent dropping box via a water inlet pipe 32.
  • the casing of this embodiment has a drain port 8 connected to the drain pipe 28 to the floor drain; a portion thereof is connected to the drain pump 29 via the drain pipe 28 and communicates with the outer tub 20 via the drain soft 26.
  • this embodiment adopts the following technical solution:
  • a water inlet solenoid valve is provided on the casing of this embodiment, and the water inlet solenoid valve communicates with the washing unit through the water inlet pipe;
  • the washing machine includes a first linkage protection body for protecting the water inlet pipe during the push-pull washing unit.
  • One end of a linked protection body is connected to the casing, and the other end is connected to the washing unit.
  • the first linked protection body has a receiving channel for receiving a water inlet pipe inside;
  • the laundry includes a power cord for supplying power to the control panel, and the solenoid valve and the control panel are electrically connected by a connecting wire, and the power cord and / or the connecting wire are disposed in a container inside the first linkage protection body. Set inside the channel.
  • the washing unit in this embodiment has a drainage port, and the drainage port communicates with a drainage control device through a drainage pipe.
  • the washing machine includes a second linkage protection body for protecting the drainage pipeline during the push-pull washing unit, and the second linkage protection One end of the body is connected to the casing, and the other end is connected to the washing unit.
  • the second linkage protection body has a receiving channel for receiving a drainage pipe inside;
  • the washing machine includes a driving device installed at the bottom of the outer tub, and the driving device and the control panel are electrically connected by a connecting wire, and the connecting wire is disposed in a receiving channel inside the second linkage protection body.
  • a detection device 12 for detecting whether the washing unit is pushed into the accommodating chamber in place is installed on the casing according to this embodiment;
  • the detection device 12 is a photoelectric induction switch or a reed switch.
  • the inductive switch of this embodiment ensures that the washing unit is turned off in place, and a washing program or an alarm is not performed if it is not in place.
  • the washing unit according to this embodiment has a door lock, and a lock buckle 13 is provided on the casing, and the door lock and the lock buckle 13 are locked after the washing unit is pushed into the accommodation chamber.
  • the bottom of the casing 5 of this embodiment is provided with supporting feet 4 to support the whole leveling-pulling washing machine to ensure the stability of work.
  • the casing 5 of this embodiment has a pressing profile 6 to increase the strength of the whole machine.
  • the casing 5 has an upper plate 1 with an opening in the front, and the opening can be used to put the washing unit in and out.
  • the overall height of the pull-type washing machine of this embodiment is less than 60 cm, preferably 50 cm or less, and more preferably 40 cm or less.
  • the pull-type washing machine of this embodiment changes the top opening method of the existing pulsator washing machine, which can greatly reduce the height of the whole machine, further reduce the space requirement for placement, and can be made into a mini-sized washing machine with a small size to realize classified washing. .
  • a pull-out washing machine of this embodiment includes a casing 5 and a washing unit.
  • the casing 5 has a receiving chamber inside, and one side wall of the casing is opened;
  • the washing unit is installed in an accommodating chamber inside the casing, and can be pushed in / out from the opening of the casing;
  • the linkage protection body has a capacity for accommodating a water path communicating with the washing unit and / or a circuit electrically connected to electrical components of the washing unit. Home channel.
  • this embodiment adopts a linkage protection body with an accommodation channel inside, and the linkage protection body is then linked during the push-pull process of the washing unit to ensure that the water path communicating with the washing unit and / or the electrical components of the washing unit are electrically connected.
  • the connection stability of the circuit since the washing unit needs to be frequently pushed in and out to pick and put clothes, in order to ensure that the water path communicating with the washing unit and / or the circuit electrically connected to the electrical components of the washing unit are in the process of pulling Without being damaged, this embodiment adopts a linkage protection body with an accommodation channel inside, and the linkage protection body is then linked during the push-pull process of the washing unit to ensure that the water path communicating with the washing unit and / or the electrical components of the washing unit are electrically connected.
  • the connection stability of the circuit since the washing unit needs to be frequently pushed in and out to pick and put clothes, in order to ensure that the water path communicating with the washing unit and / or the circuit electrically connected to the electrical components of the washing unit are in the process
  • the linkage protection body is a towline structure.
  • the towline structure has a receiving channel inside, and the waterway or circuit is disposed in the receiving channel inside the towline structure.
  • the washing unit includes an outer tub 20 for holding water.
  • the casing 5 is provided with a water inlet solenoid valve 30, and the water inlet solenoid valve 30 communicates with the outer barrel 20 through a water inlet pipe 32;
  • the linkage protection body includes a first linkage protection body 31 for protecting the water inlet pipeline 32 during a push-pull washing unit.
  • the first linkage protection body 31 has a receiving channel for containing the water inlet pipeline inside.
  • the washing unit in this embodiment includes a mounting bracket 11 and a front panel 3, and the front panel 3 is mounted on the mounting bracket 11 and blocks the opening of the containing chamber after the washing unit is pushed into the containing chamber inside the housing.
  • the control panel 19 is set on the front panel 3;
  • the washing machine includes a power line for supplying power to the control panel.
  • the solenoid valve 30 and the control panel 19 are electrically connected by a connection wire.
  • the power line and / or the connection wire are disposed in the container inside the first linkage protection body 31. Set inside the channel.
  • the washing unit includes an outer tub 20 for holding water.
  • the bottom of the outer tub 20 has a drainage port.
  • the drainage port communicates with a drainage control device through a drainage pipe 26.
  • the linkage protection body includes a push-pull washing unit.
  • the second linkage protection body 24 for protecting the drainage pipeline is provided with an accommodation channel for accommodating the drainage pipeline 26 inside.
  • a pull-out washing machine of this embodiment includes a driving device 22 installed at the bottom of the outer tub 20, and the driving device 22 and the control panel 19 are electrically connected by a connecting wire, and the connecting wire is provided at a second linkage protection Inside the receiving passage in the body 24.
  • the pipelines (drainage pipelines, drive control circuits, signal lines) are gently guided, which greatly extends the wiring / water inlet / drainage life.
  • a guiding mechanism for guiding the linkage protection body to move according to a predetermined track is provided in the accommodating chamber of the casing 5.
  • the guide mechanism is a guide rail 38 provided along the drawing direction of the washing unit, the guide rail has a guide groove, the linkage protection body is a drag chain, one end of the drag chain is a fixed end 40, and the fixed end 40 is fixed.
  • the movable end 39 is mounted on the casing 5, and the movable end 39 is connected to the guide post 37.
  • the guide post 37 is slidably arranged in the guide groove of the guide rail 38 to perform a reciprocating linear motion with the push-pull washing unit.
  • the guide structure of this embodiment may be provided on the first linkage protection body 31 and / or the second linkage protection body 24.
  • the linkage protection body is an elastic tubular structure made of a flexible material.
  • the tubular structure has an accommodation channel inside, and the waterway or circuit is disposed in the accommodation inside the energy chain structure. Within the channel.
  • the linkage protection body is a telescopic tube structure
  • the telescopic tube structure has a receiving channel inside
  • the waterway or circuit is disposed in the receiving channel inside the towline structure.
  • a shock absorbing device 36 for a washing machine in this embodiment includes:
  • the sleeve 50 has a hollow chamber open at one end, and the other end of the plunger 47 is relatively slidably sleeved in the hollow chamber of the sleeve 50.
  • the sleeve 50 has an end opposite to the opening of the hollow chamber.
  • a first damping spring 48 which is sleeved outside the plunger 47;
  • a second shock-absorbing spring 51 sleeved on the outside of the sleeve 50;
  • a sliding sleeve 49 which is slidably sleeved outside the plunger 47 / sleeve 50, and is located between the first damping spring 48 and the second damping spring 51.
  • the shock absorbing device 36 of this embodiment includes a first shock absorbing spring 48 and a second shock absorbing spring 51.
  • the first shock absorbing spring 48 When receiving a small shock, the first shock absorbing spring 48 is compressed for shock absorption adjustment, and when receiving a large shock, The first damping spring 48 and the second damping spring 51 are jointly pressed for damping adjustment.
  • the shock absorbing device 36 of this embodiment adopts a mode of supporting shock absorption, and the shock absorbing effect is ensured through the shock absorbing adjustment of the first shock absorbing spring 48 and the second shock absorbing spring 51.
  • first bracket 46 is disposed on an end of the plunger 47 near the first connection structure 44 and a second bracket 52 is disposed on an end of the sleeve 50 near the second connection structure 53.
  • the sliding sleeve 49 has a limiting convex portion that protrudes outward.
  • One end of the first damping spring 48 stops against the first bracket 46 and the other end stops against the limiting convex portion.
  • One end of the two damping springs 51 abuts against the second bracket 52, and the other end abuts against the limiting protrusion.
  • an end of the plunger 47 near the first connection structure 44 has a limiting protrusion
  • the first bracket 46 is an annular flange
  • the center of the first bracket 46 has a limiting groove 45.
  • the first bracket The limit groove 45 of 46 cooperates with the limit protrusion on the plunger 47 to realize the limit installation of the first bracket;
  • the second bracket 52 is an annular flange formed on an outer periphery of an end of the sleeve 50 near the second connection structure 53.
  • the first damping spring 48 and the second damping spring 51 have different elastic coefficients
  • the first connection structure 44 is connected to the supported shock-absorbing body
  • the second connection structure 53 is connected to the fixed support body
  • the elastic coefficient of the first shock-absorbing spring 48 is smaller than the second Coefficient of elasticity of the damping spring 51.
  • a friction plate 54 is disposed in the hollow cavity of the sleeve 50, and one end of the plunger 47 is sleeved in the hollow cavity of the sleeve 50 to maintain contact with the friction plate 54.
  • the friction plate 54 is an annular friction plate, and a plurality of annular friction plates are uniformly disposed in the hollow cavity of the sleeve along the axial direction thereof.
  • a friction plate 54 is provided in the sliding sleeve 49 to keep contact with the outer wall of the plunger 47 / sleeve 50.
  • the first connection structure 44 is a connection thread provided at one end of the plunger 47, and the connection thread cooperates with a nut to fixedly connect the plunger to the supported shock-absorbing body;
  • the second connection structure 53 is a connection thread provided at one end of the sleeve 50, and the connection thread cooperates with a nut to fixedly connect the sleeve to the fixed support.
  • the shock absorbing device of this embodiment has a first connection structure 44 and a second connection structure 53 for fixing the outer tub 20 and the casing 5.
  • a friction plate is arranged between the plunger and the sleeve of the shock absorbing device, and the frictional force during the reciprocating movement of the friction plate and the plunger damps the shock.
  • Damping spring which is the main energy storage unit, converts the kinetic energy of vibration into the elastic potential energy of the spring to buffer the vibration energy and provide the reciprocating motion of vibration.
  • the damping spring is a first damping spring 48 and a second damping spring 51 which are arranged in series.
  • the bottom of the sleeve has a second bracket, and the middle of the sleeve has a sliding sleeve.
  • the small friction damping force is the friction between the plunger and the friction plate.
  • the first and second damping springs 48 and 51 collectively serve as storage.
  • the energy unit absorbs vibration.
  • the large frictional damping force is the friction between the plunger and the friction plate + the friction between the sleeve and the sliding sleeve, which can effectively reduce vibration, achieve smooth operation of the washing machine, and reduce vibration and accompanying noise. .
  • the spring assembly is arranged in the sleeve and the like.
  • a shock absorbing device 36 for a washing machine in this embodiment includes:
  • the sleeve 50 has a hollow chamber open at one end, and the other end of the plunger 47 is relatively slidably sleeved in the hollow chamber of the sleeve 50.
  • the sleeve 50 has an end opposite to the opening of the hollow chamber.
  • a first damping spring 48 which is sleeved outside the plunger 47;
  • a second shock-absorbing spring 51 sleeved on the outside of the sleeve 50;
  • a sliding sleeve 49 which is slidably fitted outside the plunger 47 / sleeve 50 and is located between the first damping spring 48 and the second damping spring 51;
  • the first damping spring 48 and the second damping spring 51 partially overlap to shorten the overall height.
  • the shock absorbing device 36 of this embodiment includes a first shock absorbing spring 48 and a second shock absorbing spring 51.
  • the first shock absorbing spring 48 When receiving a small shock, the first shock absorbing spring 48 is compressed for shock absorption adjustment, and when receiving a large shock, The first damping spring 48 and the second damping spring 51 are jointly pressed for damping adjustment.
  • the shock absorbing device 36 of this embodiment adopts a mode of supporting shock absorption, and the shock absorbing effect is ensured through the shock absorbing adjustment of the first shock absorbing spring 48 and the second shock absorbing spring 51.
  • the sliding sleeve 49 has a first limiting portion for stopping an end of the first damping spring 48 and The second limiting portion is configured to stop an end of the second damping spring 51, the first limiting portion extends to an axial height range of the second damping spring, and the second limiting portion extends to the first A range of axial heights of a damping spring.
  • first damping spring 48 is disposed on an upper portion of the second damping spring 51, and a height of the first limiting portion is lower than a height of the second limiting portion.
  • the first limiting portion described in this embodiment is a limiting chamber formed in the middle of the sliding sleeve and extending toward the inside of the second damping spring, and one end of the first damping spring stops against the limit.
  • a position-limiting chamber; the second position-limiting portion is a position-limiting flange formed by circumferentially extending the opening edge of the position-limiting chamber, and one end of the second damping spring stops against the position-limiting flange.
  • the structural design of the sliding sleeve 49 in this embodiment enables the first damping spring 48 and the second damping spring to have a certain coincident space distance H, to reduce the height of the entire damping H, effectively reduce the height of the damper, and facilitate installation. To solve the installation space of washing machines.
  • the first damping spring 48 and the second damping spring 51 have different elastic coefficients
  • an outer diameter of the first damping spring 48 is smaller than an inner diameter of the second damping spring 51;
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is smaller than that of the second shock absorbing spring. Coefficient of elasticity.
  • the plunger 47 and the opening of the hollow chamber of the sleeve 50 are spaced apart from each other to achieve a certain degree of swing of the shock absorbing device and have a certain adjustment effect in the horizontal direction.
  • a friction plate 54 is disposed on one end of the plunger 47 located inside the hollow chamber, and the friction plate maintains contact with the inner wall of the hollow chamber of the sleeve.
  • the sliding sleeve 49 is provided with a sliding sleeve friction plate 54 in contact with the outer wall of the plunger / sleeve.
  • the shock absorbing device of this embodiment has a first connection structure 44 and a second connection structure 53 for fixing the outer tub 20 and the casing 5.
  • a friction plate is arranged between the plunger and the sleeve of the shock absorbing device, and the frictional force during the reciprocating movement of the friction plate and the plunger damps the shock.
  • Damping spring which is the main energy storage unit, converts the kinetic energy of vibration into the elastic potential energy of the spring to buffer the vibration energy and provide the reciprocating motion of vibration.
  • the damping spring is a first damping spring 48 and a second damping spring 51 which are arranged in series.
  • the bottom of the sleeve has a second bracket, and the middle of the sleeve has a sliding sleeve.
  • the small friction damping force is the friction between the plunger and the friction plate.
  • the first and second damping springs 48 and 51 collectively serve as storage.
  • the energy unit absorbs vibration.
  • the large frictional damping force is the friction between the plunger and the friction plate + the friction between the sleeve and the sliding sleeve. .
  • the spring assembly is arranged in the sleeve and the like.
  • a shock absorbing device 36 for a washing machine in this embodiment includes:
  • Plunger 47 with a first connection structure 44 at one end and a sliding plug body at the other end;
  • the sleeve 49 has a hollow chamber open at one end, and the sliding plug body of the plunger 47 is relatively slidably disposed in the hollow chamber of the sleeve 49, and the end of the sleeve 49 opposite to the opening of the hollow chamber has Second connection structure 53;
  • a first shock-absorbing spring 48 sleeved outside the plunger 47 located in the hollow cavity;
  • a second shock-absorbing spring 51 sleeved in the hollow cavity of the sleeve 49;
  • the first damping spring 48 and the second damping spring 51 are located on both sides of the sliding plug body of the plunger 47, respectively.
  • the shock absorbing device 36 of this embodiment adopts a mode of supporting shock absorbing, and the shock absorbing adjustment is performed through the first shock absorbing spring 48 and the second shock absorbing spring 51 in series to ensure the shock absorbing effect.
  • the sliding plug body is disposed at an end of one end of the plunger 47 located in the hollow cavity of the sleeve 49, and the sliding plug body is in sliding contact with the inner wall of the hollow cavity of the sleeve 49;
  • the first damping spring 48 is sleeved on the outside of the plunger 47 located in the hollow cavity, one end of which is against the inner wall of the sleeve 49, and the other end of which is against one side of the sliding plug body;
  • the second damping spring 51 is sleeved in the hollow cavity of the sleeve 49, and one end thereof stops on the inner wall of the hollow cavity of the sleeve, and the other end thereof stops on the other side of the sliding plug body.
  • the plunger includes a cylinder, one end of the cylinder has a first connection structure, and the other end is connected to a sliding plug body;
  • the sleeve includes a cylinder 55 with a hollow chamber open at one end and A cover body 56 is installed on the open opening of the hollow chamber, and a middle part of the cover body 56 has a through hole for a cylinder of the plunger to pass through.
  • the post and the through hole are spaced from each other.
  • the cover 56 is provided with a limiting groove 57 on a side surface inside the hollow cavity of the sleeve 49, and one end of the first damping spring 48 is limited to abut against the limiting groove 57. .
  • the inner bottom wall of the hollow chamber of the cylindrical body 55 has a limiting groove 57, and one end of the second damping spring 51 is limited to abut against the limiting groove 57.
  • the first connection structure 44 is a connection thread provided at one end of the column body, and the connection thread cooperates with a nut to fixedly connect the plunger to the supported shock-absorbing body;
  • the second connection structure 53 is a connection thread provided at one end of the sleeve.
  • the connection thread cooperates with a nut to fixedly connect the sleeve to the fixed support.
  • a friction plate is provided on the outer periphery of the sliding plug body to be in contact with the inner wall of the hollow cavity of the sleeve.
  • the first damping spring and the second damping spring have different elastic coefficients
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is smaller than that of the second shock absorbing spring. Coefficient of elasticity.
  • the second damping spring 51 of the damping device of this embodiment has a function of supporting gravity and absorbing downward impact; the first damping spring 48 has a function of restricting the upward movement of the plunger 47 and absorbing upward impact.
  • a certain gap h is set between the sleeve and the plunger to achieve a certain degree of swing of the shock absorber.
  • the shock absorbing device of this embodiment can effectively reduce shocks, realize a stable operation of the washing machine, and reduce vibration and accompanying noise.
  • a shock absorbing device 36 for a washing machine in this embodiment includes:
  • the sleeve 49 has a hollow chamber open at one end, and the other end of the plunger 47 is slidably disposed in the hollow chamber of the sleeve 49.
  • the opposite end of the sleeve 49 opposite to the opening of the hollow chamber has a first Two connection structure 53;
  • the first damping spring 48 is sleeved on the outside of the plunger 47, and the two ends thereof stop on the plunger 47 and the sleeve 49 respectively;
  • the second damping spring 51 is sleeved in the hollow cavity of the sleeve 49.
  • a sliding plug body is provided at one end of the plunger 47 located in the hollow cavity of the sleeve 49;
  • the second damping spring 51 is sleeved on the outside of the plunger 47 located in the hollow chamber, one end of which is against the inner wall of the sleeve 49, and the other end of which is against one side of the sliding plug body;
  • the second damping spring 51 is sleeved in the hollow cavity of the sleeve, one end of which is against the inner wall of the hollow cavity of the sleeve 49, and the other end of which is against the other side of the sliding plug body.
  • the plunger includes a cylinder, one end of the cylinder has a first connection structure, and the other end is connected with a sliding plug body;
  • the sleeve includes a hollow with an open end at the inside.
  • the cylinder body of the chamber and the cover body which is installed on the open opening of the hollow chamber, the middle part of the cover body has a through hole for the cylinder of the plunger to pass through.
  • the post and the through hole are spaced from each other.
  • a friction plate is provided on the outer periphery of the sliding plug body to be in contact with the inner wall of the hollow cavity of the sleeve.
  • a first bracket is provided on an end of the plunger near the first connection structure, and a second bracket is provided on an end of the sleeve near the second connection structure.
  • One end of the first shock-absorbing spring stops on the first bracket, and the other end stops on the second bracket.
  • an end of the plunger close to the first connection structure has a limiting protrusion
  • the first bracket is an annular flange
  • the center of the first bracket has a limiting groove
  • the first The limiting groove of the bracket cooperates with the limiting protrusion on the plunger to realize the limited installation of the first bracket
  • the second bracket is a ring-shaped flange formed on an outer periphery of an end of the sleeve near the second connection structure.
  • the first damping spring and the second damping spring have different elastic coefficients
  • the first connection structure is connected to the supported shock absorbing body
  • the second connection structure is connected to the fixed support body
  • the elastic coefficient of the first shock absorbing spring is greater than that of the second shock absorbing spring. Coefficient of elasticity.
  • the shock absorbing device of this embodiment has a first connection structure 44 and a second connection structure 53 for fixing the outer tub 20 and the casing 5.
  • a friction plate is arranged between the plunger and the sleeve of the shock absorbing device, and the frictional force during the reciprocating movement of the friction plate and the plunger damps the shock.
  • Damping spring which is the main energy storage unit, converts the kinetic energy of vibration into the elastic potential energy of the spring to buffer the vibration energy and provide the reciprocating motion of vibration.
  • the damping spring is a first damping spring 48 and a second damping spring 51 which are arranged in series.
  • the sleeve 49 of this embodiment has a cover body 56.
  • the sleeve between the friction plate 54 and the cover body 56 is provided with a first damping spring 48 to prevent a large upward impact force of the outer barrel, and the piston 47 or the damper
  • the shock device has a limit function in the elongation direction to prevent the bucket connected to the shock absorption device from moving significantly.
  • the sleeve has a second bracket. After the second damping spring 51 is placed on the second bracket through the tooling, the pressure is reduced by the tooling pressure.
  • the first bracket has an assembly groove whose width is greater than the diameter of the plunger. After removing the tooling, the return force of the first damping spring 48 is completely assembled, and the plunger preferably has a structure that cooperates with a matching groove of the upper bracket to prevent shaking and vibration. .
  • the first damping spring 48 has the function of supporting gravity, absorbing downward impact, and has a limit function to prevent the plunger from being infinitely compressed into the sleeve.
  • a certain gap h is set between the sleeve and the plunger to achieve a certain degree of swing of the shock absorber.
  • the shock absorbing device of this embodiment is provided with springs inside and outside the sleeve, which reduces the length of the shock absorber and does not reduce the function. Effectively increase the internal space of the washing machine casing. It can effectively dampen vibrations, achieve smooth operation of the washing machine, reduce vibration and the accompanying noise.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
PCT/CN2019/098682 2018-08-20 2019-07-31 一种洗衣机用减震装置及抽拉式洗衣机 Ceased WO2020038203A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021509835A JP7546833B2 (ja) 2018-08-20 2019-07-31 洗濯機用制震装置及び引き出し式洗濯機

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CN201810950129.7 2018-08-20
CN201810948270.3 2018-08-20
CN201810948274.1 2018-08-20
CN201810950003.X 2018-08-20
CN201810948270.3A CN110886066B (zh) 2018-08-20 2018-08-20 一种洗衣机用减震装置及抽拉式洗衣机
CN201810949979.5 2018-08-20
CN201810949979.5A CN110846848A (zh) 2018-08-20 2018-08-20 一种抽拉式洗衣机
CN201810948274.1A CN110846855A (zh) 2018-08-20 2018-08-20 一种洗衣机用减震装置及抽拉式洗衣机
CN201810950129.7A CN110846857B (zh) 2018-08-20 2018-08-20 一种洗衣机用减震装置及抽拉式洗衣机
CN201810950121.0 2018-08-20
CN201810950003.XA CN110846849B (zh) 2018-08-20 2018-08-20 一种抽拉式洗衣机
CN201810950121.0A CN110846856B (zh) 2018-08-20 2018-08-20 一种洗衣机用减震装置及抽拉式洗衣机

Publications (1)

Publication Number Publication Date
WO2020038203A1 true WO2020038203A1 (zh) 2020-02-27

Family

ID=69592311

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/098682 Ceased WO2020038203A1 (zh) 2018-08-20 2019-07-31 一种洗衣机用减震装置及抽拉式洗衣机

Country Status (2)

Country Link
JP (1) JP7546833B2 (https=)
WO (1) WO2020038203A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114369919A (zh) * 2020-10-15 2022-04-19 Lg电子株式会社 衣物处理装置
CN116780085A (zh) * 2023-08-21 2023-09-19 国网北京市电力公司 一种便于内部设备安装的分布式能源储能箱
CN118773886A (zh) * 2023-03-31 2024-10-15 青岛海尔洗衣机有限公司 衣物处理设备

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215477A (ja) * 1995-02-13 1996-08-27 Hitachi Ltd 電気洗濯機の防振装置
KR20150075977A (ko) * 2013-12-26 2015-07-06 동부대우전자 주식회사 전자동 세탁기의 공기 압축식 현가 장치
CN204835818U (zh) * 2015-06-30 2015-12-02 温州经济技术开发区滨海志杰机电产品设计工作室 一种盘式马达卡箍弹簧减震干洗设备
CN105624964A (zh) * 2014-10-30 2016-06-01 青岛海尔洗衣机有限公司 一种抽屉式洗涤装置
CN106460288A (zh) * 2014-03-11 2017-02-22 Lg电子株式会社 洗涤物处理装置
CN106480653A (zh) * 2015-09-02 2017-03-08 青岛海尔洗衣机有限公司 一种洗衣机减振装置及洗衣机
CN206036115U (zh) * 2016-08-26 2017-03-22 珠海格力电器股份有限公司 减振装置及具有其的洗衣机
CN106702674A (zh) * 2015-07-31 2017-05-24 青岛海尔洗衣机有限公司 一种洗衣机振动检测装置
CN108396506A (zh) * 2018-03-28 2018-08-14 无锡小天鹅股份有限公司 衣物处理装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS466447Y1 (https=) * 1966-11-25 1971-03-06
JPS5922360Y2 (ja) * 1979-11-22 1984-07-04 株式会社 昭和製作所 緩衝器の懸架ばね装置
JP3500645B2 (ja) * 1992-08-20 2004-02-23 松下電器産業株式会社 ドラム式洗濯機
JP2011115295A (ja) * 2009-12-01 2011-06-16 Hitachi Automotive Systems Ltd 洗濯機用ダンパ
US9279207B2 (en) * 2010-06-17 2016-03-08 Lg Electronics Inc. Washing machine with a suspension having a friction damper
KR102082700B1 (ko) * 2013-01-16 2020-02-28 엘지전자 주식회사 보조 세탁장치 및 이를 이용한 의류 처리장치
CN104278481B (zh) * 2013-07-09 2018-05-01 青岛海尔滚筒洗衣机有限公司 一种双滚筒洗衣机
JP6025264B2 (ja) * 2014-04-23 2016-11-16 シャープ株式会社 洗濯機

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215477A (ja) * 1995-02-13 1996-08-27 Hitachi Ltd 電気洗濯機の防振装置
KR20150075977A (ko) * 2013-12-26 2015-07-06 동부대우전자 주식회사 전자동 세탁기의 공기 압축식 현가 장치
CN106460288A (zh) * 2014-03-11 2017-02-22 Lg电子株式会社 洗涤物处理装置
CN105624964A (zh) * 2014-10-30 2016-06-01 青岛海尔洗衣机有限公司 一种抽屉式洗涤装置
CN204835818U (zh) * 2015-06-30 2015-12-02 温州经济技术开发区滨海志杰机电产品设计工作室 一种盘式马达卡箍弹簧减震干洗设备
CN106702674A (zh) * 2015-07-31 2017-05-24 青岛海尔洗衣机有限公司 一种洗衣机振动检测装置
CN106480653A (zh) * 2015-09-02 2017-03-08 青岛海尔洗衣机有限公司 一种洗衣机减振装置及洗衣机
CN206036115U (zh) * 2016-08-26 2017-03-22 珠海格力电器股份有限公司 减振装置及具有其的洗衣机
CN108396506A (zh) * 2018-03-28 2018-08-14 无锡小天鹅股份有限公司 衣物处理装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114369919A (zh) * 2020-10-15 2022-04-19 Lg电子株式会社 衣物处理装置
CN114369919B (zh) * 2020-10-15 2023-12-26 Lg电子株式会社 衣物处理装置
US12180640B2 (en) 2020-10-15 2024-12-31 Lg Electronics Inc. Laundry treating apparatus
CN118773886A (zh) * 2023-03-31 2024-10-15 青岛海尔洗衣机有限公司 衣物处理设备
CN116780085A (zh) * 2023-08-21 2023-09-19 国网北京市电力公司 一种便于内部设备安装的分布式能源储能箱
CN116780085B (zh) * 2023-08-21 2024-01-09 国网北京市电力公司 一种便于内部设备安装的分布式能源储能箱

Also Published As

Publication number Publication date
JP7546833B2 (ja) 2024-09-09
JP2021533921A (ja) 2021-12-09

Similar Documents

Publication Publication Date Title
CN110846848A (zh) 一种抽拉式洗衣机
WO2020038203A1 (zh) 一种洗衣机用减震装置及抽拉式洗衣机
US9670609B2 (en) Auxiliary washing machine and laundry treatment apparatus using the same
US8234889B2 (en) Laundry machine
CN107190457B (zh) 一种洗衣机
US20140053612A1 (en) Auxiliary washing machine and clothes treatment apparatus using the same
EP2980297B1 (en) Laundry treatment apparatus with suspension assemblies
US10669661B2 (en) Laundry treatment apparatus
KR102598820B1 (ko) 세탁기
CN105090243B (zh) 用于抽拉件的导引装置及家电设备
KR102241037B1 (ko) 세탁물 처리기기
CN110846855A (zh) 一种洗衣机用减震装置及抽拉式洗衣机
US20100281926A1 (en) Pulsator unit for washing machine and washing machine having the same
CN110846849B (zh) 一种抽拉式洗衣机
KR102482337B1 (ko) 세탁기 및 가전기기
CN110846857B (zh) 一种洗衣机用减震装置及抽拉式洗衣机
CN110886066B (zh) 一种洗衣机用减震装置及抽拉式洗衣机
CN108138423B (zh) 洗衣机
CN110846856B (zh) 一种洗衣机用减震装置及抽拉式洗衣机
CN212457594U (zh) 减震调整装置及具有该减震调整装置的冰箱
KR101430464B1 (ko) 의류 처리장치
JP3805125B2 (ja) ランドリーキャビネット
EP2065507B1 (en) Laundry machine
KR20220049875A (ko) 의류처리장치
EP2300655B1 (en) An electrical household appliance for washing and/or drying textile articles

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19852283

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021509835

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19852283

Country of ref document: EP

Kind code of ref document: A1