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WO2019007339A1 - Ensemble tige de suspension d'absorption des chocs pour lave-linge, et lave-linge - Google Patents

Ensemble tige de suspension d'absorption des chocs pour lave-linge, et lave-linge Download PDF

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Publication number
WO2019007339A1
WO2019007339A1 PCT/CN2018/094330 CN2018094330W WO2019007339A1 WO 2019007339 A1 WO2019007339 A1 WO 2019007339A1 CN 2018094330 W CN2018094330 W CN 2018094330W WO 2019007339 A1 WO2019007339 A1 WO 2019007339A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
washing machine
shock absorbing
boom
water
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/CN2018/094330
Other languages
English (en)
Chinese (zh)
Inventor
郝兴慧
吴迪
吕佩师
劳春峰
许升
吕艳芬
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
Qingdao Haier Smart Technology R&D Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Smart Technology R&D 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
Application filed by Qingdao Haier Washing Machine Co Ltd, Qingdao Haier Smart Technology R&D Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Publication of WO2019007339A1 publication Critical patent/WO2019007339A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • D06F37/268—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for suspension devices

Definitions

  • the invention belongs to the field of washing machines, and in particular to a washing machine shock absorber boom assembly and a washing machine.
  • Household electric washing machines are divided into pulsator washing machines, drum washing machines, and mixing washing machines. Regardless of which type of washing machine, because of the installation of the motor, the vibration problem has always been a major problem faced by the washing machine. Problems such as excessive vibration, displacement, and collision of the outer barrel with the cabinet have appeared on many types of washing machines, seriously affecting And restrict the use of the washing machine.
  • the pulsator washing machine adopts the design of a balance ring and a spring hanger, or adds a damping structure at the spring portion;
  • the drum washing machine adopts a design of a weight, a damper and a balance ring.
  • the existing pulsator washing machine includes a box body, an outer tub member, and the like, and the outer tub member and the box body are installed together by four boom damper members.
  • the upper part of the suspension part of the boom has a boom seat, and the lower part has a shock absorbing sleeve.
  • the shock absorbing sleeve has a spring inside.
  • the shock absorbing sleeve is stuck under the mounting part at the bottom of the outer tub, and the hanging part is suspended in the mounting part, and the hanging rod passes through Suspended holes, the upper boom seat is placed in the hole of the four corner reinforcement plates of the box.
  • the inner tub balance ring and the boom damping member function to balance the vibration damping when the outer tub member vibrates due to the imbalance.
  • the outer tub will sway or sway with the start of the motor, which will generate large vibration and noise.
  • the boom of the shock-absorbing component will also sway when the outer bucket swings. There is also an impact and collision between the barrel and the mounting portion due to vibration.
  • an annular cushion is arranged on the boom, which is arranged on the boom and is stuck under the hanging hole, which can reduce the shock and impact, but the cushion is very easy to be offset.
  • the contact area with the shock absorbing sleeve is also small, and the pressure is large under the large vibration and impact force, which is not only easy to be damaged, but also has a limited effect of damping and reducing the impact, which is not ideal.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a washing machine shock absorber boom assembly and a washing machine.
  • the shock absorbing cushion device disposed in the shock absorbing boom assembly of the present invention is located at the mounting portion and the shock absorbing sleeve. Between the upper end surface of the shock absorbing sleeve, the contact area with the damper sleeve and the mounting portion is greatly increased, and the collision and shock pressure between the mounting portion and the damper sleeve can be reduced, and the auxiliary pressure is reduced.
  • the vibration of the washing machine is not easy to damage; in addition, the shock absorbing device is also placed on the boom to generate sliding damping to further reduce vibration.
  • a first object of the present invention is to provide a shock absorber hanger assembly for a washing machine, comprising a suspension sleeve disposed at a lower end of the boom and the hanger, and a mounting portion for hanging the shock absorbing sleeve at a bottom of the outer tub of the washing machine
  • the shock absorbing sleeve is placed under the mounting portion, and the hanging rod is suspended from the box of the washing machine through the mounting portion, and further comprises a shock absorbing device.
  • the shock absorbing device is sleeved on the hanging rod and located at the mounting portion and Between the shock absorbing sleeves and covering the upper end surface of the damper sleeve to reduce vibration.
  • the shock absorbing sleeve comprises an integrally formed bracket and a sleeve, the bracket sealing the upper end opening of the sleeve;
  • the bracket comprises a tubular flange extending upward in the axial direction of the boom and a tubular flange a transition structure extending toward the upper end of the sleeve;
  • the shock absorbing device is provided with a sleeve portion and a shock absorbing portion, the sleeve portion is sleeved on the tubular flange, and the shock absorbing portion covers the outer surface of the transition structure;
  • the length of the sleeve is the same as the length of the tubular flange, completely wrapping the tubular flange.
  • the sleeve is sleeved on the exterior of the tubular flange and is in contact with the outer wall of the tubular flange to create sliding damping.
  • the inside of the sleeve portion is provided with a protrusion that is in contact with the outer wall of the tubular flange to increase the sliding damping;
  • the protrusions are annular ribs arranged along the circumferential direction of the boom.
  • the diameter of the tubular flange is smaller than the diameter of the sleeve, and the lower edge of the tubular flange extends outward to the upper end opening of the sleeve to form a transition structure, and the outer surface of the transition structure is inclined outward from the axial center of the boom a plane or a curved surface; the shock absorbing portion is coated on the outside of the transition structure and in contact.
  • the lower edge of the sleeve extends outward to form a shock absorbing portion, and the inner surface of the damper portion cooperates with the outer surface of the transition structure, and the damper portion covers the transition structure and is external to the sleeve Smooth surface transition;
  • the inner surface of the damping portion and the outer surface of the transition structure are mating curved surfaces.
  • the transition structure is provided with a circumferential annular recess near one end of the sleeve, and the edge of the damping portion is matched with the annular recessed table.
  • the edge of the damper portion extends along the axial direction of the boom, the thickness of which cooperates with the annular recess and smoothly transitions to the outer surface of the sleeve.
  • a second object of the present invention is to provide a washing machine having the shock absorber boom assembly of the washing machine as described above.
  • a further aspect includes a tank, an inner tub disposed in the tank for holding water, and a driving device for driving the inner tub to rotate, and a water collecting device for collecting water discharged from the inner tub, the water collecting device Located at a lower portion of the bottom of the inner tub, the outer periphery of the water collecting device is provided with a mounting portion, the shock absorbing boom assembly is fixed in the mounting portion and suspended on the casing of the washing machine, and the shock absorbing device is located at the mounting portion and is reduced. Between the sleeves and covering the upper end surface of the damping sleeve to reduce vibration.
  • the present invention has the following beneficial effects compared with the prior art:
  • the shock absorbing cushion device provided in the shock absorbing suspension rod assembly of the present invention is located between the mounting portion and the damper sleeve, covering the upper end surface of the damper sleeve, and is increased compared with the existing shock absorbing cushion.
  • the contact area with the shock absorbing sleeve and the mounting portion therefore, when the washing machine vibrates and the shock absorbing boom assembly moves up and down, left and right, the area covered by the flexible material between the mounting portion of the outer tub and the damper sleeve increases. The pressure and vibration generated by the collision and vibration between the two can reduce the vibration of the washing machine.
  • the contact area of the shock absorbing device of the present invention and the damper sleeve and the mounting portion are increased, which not only can better reduce the vibration of the shock absorbing boom assembly and the washing machine, but also the pressure of the shock absorbing device itself.
  • the impact is also reduced, the forces are dispersed, not easily damaged, prolonging the service life, and saving replacement costs.
  • the shock absorbing device of the present invention is sleeved on the boom to cover the tubular flange at the upper end of the damper sleeve, and has a long length and a large contact area, and the sleeve portion is in contact with the boom or the tubular flange. It also produces sliding damping along the axial direction of the boom, which can further reduce the vibration of the boom and washing machine.
  • FIG. 1 is a schematic cross-sectional structural view of a shock absorber hanger assembly of a washing machine of the present invention
  • FIG. 2 is a schematic cross-sectional structural view of a shock absorbing sleeve and a shock absorbing cushioning device in a shock absorbing suspension rod assembly of the washing machine of the present invention
  • FIG. 3 is a schematic perspective structural view of the shock absorbing sleeve and the shock absorbing cushioning device in the shock absorbing suspension rod assembly of the washing machine of the present invention
  • Figure 4 is a perspective view showing the unmounted perspective structure of the shock absorbing sleeve and the shock absorbing cushioning device in the shock absorbing suspension rod assembly of the washing machine of the present invention
  • Figure 5 is a schematic structural view of a washing machine of the present invention.
  • FIG. 6 is a schematic view showing another structure of the washing machine 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.
  • the present invention provides a washing machine shock absorber boom assembly 600, comprising a boom 1 and a damping sleeve 2 disposed at a lower end of the boom 1, and a bottom of the outer tub of the washing machine is provided for Suspending the mounting portion of the damper sleeve 2, the damper sleeve 2 is placed under the mounting portion, the boom 1 is suspended from the casing of the washing machine through the mounting portion, and further comprises a shock absorbing device 3, the shock absorbing The cushioning device 3 is sleeved on the boom 1, and is located between the mounting portion and the damper sleeve 2, and covers the upper end surface of the damper sleeve 2 to reduce vibration.
  • the washing machine shock absorber boom assembly 600 is installed at four corners of the washing machine, and the bottom of the outer tub of the washing machine is provided with a mounting portion.
  • the lower end of the assembly of the boom 1 is installed in the mounting portion at the bottom of the outer tub of the washing machine, and the other end is hung in the corresponding On the corner of the cabinet.
  • the outer tub of the present invention may be an ordinary outer tub, or may be an outer tub having a height much lower than that of the inner tub, that is, an outer tub used for the non-porous inner tub or a water collecting device capable of collecting the drainage of the inner tub, only need to be in the outer tub or
  • the installation portion of the water collecting device may be provided on the outer circumference.
  • the mounting portion is generally a hanging seat having a hanging hole, and the hanging rod 1 is hung through the hanging hole to the corresponding position of the box body, and the shock absorbing sleeve 2 at the lower end of the hanging rod 1 is caught in the lower part of the hanging hole, so that the washing machine vibrates
  • the boom 1 assembly can function to reduce the vibration of the inner tub and the washing machine.
  • the shock absorbing cushioning device 3 provided in the shock absorbing boom assembly 600 of the present embodiment is located between the mounting portion and the damper sleeve 2, covering the upper end surface of the damper sleeve 2, compared with the existing damper cushion , the contact area with the shock absorbing sleeve 2 and the mounting portion is increased, and therefore, when the washing machine vibrates and the shock absorbing boom assembly 600 moves up and down, left and right, there is a flexible material between the mounting portion of the outer tub and the damper sleeve 2 The coverage area is increased, and the pressure and vibration generated by collision and vibration between the two are reduced, and the shock absorption effect is good, which can help reduce the vibration of the washing machine.
  • the contact area between the shock absorbing device 3 and the damper sleeve 2 and the mounting portion is increased, which not only can better reduce the vibration of the shock absorbing boom assembly 600 and the washing machine, but also the pressure of the shock absorbing device 3 itself.
  • the impact is also reduced, the force is dispersed, not easy to damage, prolonging the service life and saving replacement costs.
  • the shock absorbing sleeve 2 comprises an integrally formed bracket 21 and a sleeve 22, and the bracket 21 blocks the upper end opening of the sleeve 22;
  • the bracket 21 includes a tubular shape extending axially upward along the boom 1 a flange 21-1 and a transition structure 21-2 extending from the tubular flange 21-1 to the upper end of the sleeve 22;
  • the shock absorbing device 3 is provided with a sleeve portion 31 and a damper portion 32, and a sleeve portion 31 is placed on the tubular flange 21-1, and the damper portion 32 covers the outer surface of the transition structure 21-2.
  • the bracket 21 of the shock absorbing sleeve 2 and the sleeve 22 are integrally formed to block the upper port of the sleeve 22, and the lower port of the sleeve 22 is sealed by the sealing cover 6, and the inside of the damper sleeve 2 forms a closed chamber.
  • the spring set 5 is wrapped in the damping sleeve 2 to avoid corrosion damage.
  • the bracket 21 has a tubular flange 21-1 extending axially upward along the boom 1, and extends axially downward along the boom 1 to form a fixed seat for fixing the spring seat.
  • the lower end of the tubular flange 21-1 needs to gradually extend outward and downward until it is integrated with the upper end opening of the sleeve 22, thereby forming a transition structure 21- 2.
  • the shock absorbing device 3 of the present embodiment is made of a flexible material, and the sleeve portion 31 is sleeved on the tubular flange 21-1, and the outside is stuck under the mounting portion on the outer tub, so that it can play the role of sliding damping and increase The friction of the boom 1 assembly moves up and down to reduce vibration.
  • the shock absorbing sleeve 2 and the mounting portion are generally made of a plastic material. When the shock absorbing sleeve 2 vibrates up and down, it is easy to collide with the mounting portion, and the damper portion 32 covers the outer surface of the transition structure 21-2, which is equivalent to the shock absorbing sleeve.
  • the entire upper end of the cylinder 2 is covered by a flexible material, and the area is large; the shock absorbing sleeve 3 is buffered between the shock absorbing sleeve 2 and the mounting portion to reduce the impact and vibration of the shock absorbing sleeve 2 and the mounting portion, and further Reduce the vibration of the washing machine.
  • the length of the sleeve portion 31 is the same as the length of the tubular flange 21-1, and the tubular flange 21-1 is completely wrapped, which can increase the contact area and increase the sliding damping.
  • the sleeve portion 31 is sleeved on the outside of the tubular flange 21-1 and is in contact with the outer wall of the tubular flange 21-1 to generate sliding damping.
  • the sleeve portion 31 is not fixed to the outer peripheral wall of the tubular flange 21-1, and may be in close contact with each other, or may have a certain gap but be kept in contact, and when relative movement occurs, sliding damping can be generated to reduce vibration.
  • the inside of the sleeve portion 31 is provided with a protrusion which is in contact with the outer wall of the tubular flange 21-1 to increase the sliding damping; the sleeve portion 31 is tubular, and the inner wall can be provided with a protrusion to the boom 1
  • the protrusions may be provided with a plurality of dot-like protrusions, or may be provided with strips, spirals, and the like which can increase the frictional force, and may be arranged regularly or irregularly.
  • the protrusions are annular ribs arranged along the circumferential direction of the boom 1, and the annular ribs can further increase the sliding damping and reduce the vibration.
  • the diameter of the tubular flange 21-1 is smaller than the diameter of the sleeve 22, and the lower edge of the tubular flange 21-1 extends outward to the upper end of the sleeve 22 to form a transition structure 21-2, the transition structure 21-2
  • the outer surface is a plane or a curved surface which is inclined outward from the axial center of the boom 1; the shock absorbing portion 32 cooperates with the outer surface of the transition structure 21-2, and is coated on the outside of the transition structure 21-2 and contacts .
  • the lower end of the tubular flange 21-1 needs to gradually extend outward and downward until it is integrated with the upper end opening of the sleeve 22, and the outer surface of the transition structure 21-2 Tilting from the inside to the outside, the upper end of the damper sleeve 2 can be caught in the mounting portion, and when the vibration of the up, down, left, and right occurs, the pressing force is reduced to avoid damage; the damper portion 32 is wrapped around the inclined transition structure 21 The outside of -2 can further reduce the shock of the impact.
  • the lower edge of the sleeve portion 31 extends outward to form a damper portion 32.
  • the inner surface of the damper portion 32 cooperates with the outer surface of the transition structure 21-2, and the damper portion 32 covers the transition structure. 21-2, and smoothly transitions with the outer surface of the sleeve 22; preferably, the inner surface of the damper portion 32 and the outer surface of the transition structure 21-2 are mating curved surfaces.
  • the size and shape of the damper portion 32 match with the transition structure 21-2 of the bracket 21.
  • the transition structure 21-2 is a plane or a curved surface which is inclined outward from the axial center of the boom 1.
  • the damper portion 32 is also a plane or a curved surface which is inclined outward from the lower end edge of the sleeve portion 31, and can be wrapped and covered.
  • the outer surface of the transition structure 21-2 is in contact with it, so that the coverage area of the flexible material is greatly increased, and the mutual fit is not easy to be offset, and the shock absorbing sleeve 2 can be reduced when it collides with the mounting portion. Force to reduce vibration.
  • the damper portion 32 and the outer surface of the sleeve 22 smoothly transition, one is to facilitate the appearance, and the second is that the edge of the damper portion 32 does not occur, or the upper end edge of the damper sleeve 2 is not covered by the damper portion 32. It is beneficial to reduce vibration.
  • the inner surface of the damper portion 32 and the outer surface of the transition structure 21-2 are matched arc surfaces, which can further reduce the force at the time of impact and avoid damage of the squeezing.
  • the end of the transition structure 21-2 near the sleeve 22 is provided with a circumferential annular recess 4, the edge of the damping portion 32 is matched with the annular recess 4, and the shock absorbing device 3 is installed. When it comes to the boom 1, the edge of the damper portion 32 is caught in the annular recess 4.
  • the lower end of the transition structure 21-2 is provided with a circumferential annular recessed platform 4, and the edge of the damper portion 32 is fitted and inserted into the annular recessed table 4, so that the positional displacement of the shock absorbing device 3 can be better prevented, and the position can be ensured.
  • the upper end of the damper sleeve 2 can still be completely covered during the vibration process, and the impact of the damper sleeve 2 and the mounting portion is reduced, thereby reducing vibration.
  • the edge of the damper portion 32 extends along the axial direction of the boom 1, and its thickness cooperates with the annular recess 4 and smoothly transitions to the outer surface of the sleeve 22.
  • the outer surface of the damper portion 32 extends outward from the center, and the edge changes direction, and extends along the axial direction of the boom 1, and can be fastened to the upper end of the damper sleeve 2 to prevent the shock absorbing device 3 from occurring during the vibration process.
  • the edge of the vibrating portion smoothly transitions to the outer surface of the sleeve 22, and the outer edge can be protected to avoid impact damage when the corner is vibrated.
  • the present embodiment provides a washing machine having the washing machine suspension boom assembly 600 of the first embodiment.
  • the washing machine of the embodiment includes a tank body, an inner tub provided in the tank body for holding water, and a driving device for driving the inner tub to rotate, and a water collecting device for collecting water discharged from the inner tub, the water collecting device
  • the device is located at a lower portion of the bottom of the inner tub, and the outer periphery of the water collecting device is provided with a mounting portion.
  • the shock absorbing boom assembly 600 is fixed in the mounting portion and suspended on the casing of the washing machine, and the shock absorbing device 3 is installed. Between the portion and the damper sleeve 2, and covering the upper end surface of the damper sleeve 2 to reduce vibration.
  • the water collecting device By arranging the water collecting device, on the one hand, when water is discharged from the inner tub 200, water discharged during dehydration in the inner tub is collected by the water collecting device to prevent overflow of water, and on the other hand, since the water collecting device as a whole is located below the inner tub 200, the set is made
  • the water device does not have a partial structure between the side wall of the inner tub 200 and the cabinet 100, and does not have a limiting effect on the expansion of the inner tub 200, and provides ample space for the expansion of the inner tub 200.
  • the water collecting device includes a water collecting chamber 400 having an upper opening, the upper end of the side wall of the water collecting chamber 400 being lower than the bottom of the inner tub 200, and the inner tub 200 communicating with the upper opening of the water collecting chamber 400.
  • the water discharged from the inner tub 200 is blocked by providing the water collecting chamber 400. Since the upper end of the side wall of the water collecting chamber 400 is lower than the bottom of the inner tub 200, the water collecting chamber 400 is entirely located at the bottom of the tub 206.
  • the side wall of the water collecting chamber 400 is not provided with a structure between the inner tub 200 and the tank 100, and a certain safety distance is not required between the inner tub 200 and the water collecting device to prevent the inner tub 200 from colliding with the water collecting device to cause damage.
  • it is not necessary to set a safety distance between the water collecting device and the box 100 Therefore, only the safety distance between the inner tub 200 and the box 100 can be designed, and the inner barrel 200 barrel diameter can be greatly increased, and the inner barrel 200 can be better realized. Expansion.
  • the side wall of the water collecting chamber 400 is spaced apart from the outer wall of the bottom of the inner tub 200 by a certain distance.
  • the washing tub 206 is prevented from vibrating and collecting water.
  • the side walls of the cavity 400 collide to increase the service life of the water collection chamber 400.
  • the water collecting chamber 400 is provided with a drain pipe 401 for discharging water in the water collecting device, and the drain pipe 401 extends to the outside of the washing machine.
  • the inner tub 200 includes a first drain port 201 for draining when dry and a first drain line 202 communicating with the first drain port 201, and a water outlet 203 of the first drain line 202 and a water collecting device Connected.
  • the first drain line 202 that communicates through the first drain port 201 discharges the water in the tub 206 into the water collecting device, and then drains the water through the drain pipe 401.
  • the water collecting device includes a mounting plate 500 and a water retaining rib 501 disposed on the mounting plate 500.
  • the mounting plate 500 is enclosed with the water retaining ribs 501 to form a water collecting chamber 400.
  • the water collecting chamber 400 is located in the middle of the mounting plate 500, so that the center of gravity of the water retaining device is more easily coincident with the center, reducing the offset.
  • the water retaining rib 501 is annular, and the water retaining rib 501 is enclosed with the mounting plate 500 to form an annular water collecting chamber 400.
  • the water retaining rib 501 is disposed obliquely, and by setting the water retaining rib 501 to an inclined shape, the water retaining amount can be maximized and the use is more convenient;
  • the water retaining rib 501 gradually contracts from the top to the bottom in the direction of the central axis of the water collecting chamber 400, so that the upper opening has a larger diameter and is more convenient for collection.
  • the bottom outer wall of the inner tub 200 is a curved surface, and the water retaining rib 501 is spaced apart from the curved surface of the inner tub 200 by a certain distance.
  • the projection of the inner tub 200 in the horizontal direction covers the projection of the water collecting chamber 400 in the horizontal direction.
  • the interval between the water collecting chamber 400 and the tank 100 is increased, and the collision of the water collecting chamber 400 against the tank 100 is prevented, and the set is reduced.
  • the water chamber 400 is damaged; at the same time, the water collecting chamber 400 is small, and the installation of other devices at the bottom of the box 100 is more convenient.
  • the projection of the inner tub 200 in the horizontal direction may also be smaller than the projection of the water collecting chamber 400 in the horizontal direction, and more water can be collected.
  • the mounting plate 500 is provided with a drain pipe 401.
  • One end of the drain pipe 401 is in communication with the water collecting chamber 400, and the other end is connected to the outside of the washing machine or communicates with the total drain pipe of the washing machine to discharge the water.
  • a first drain line 202 communicating with the first drain port 201 and the first drain port 201 is disposed on the barrel wall of the inner tub 200, and the water outlet 203 of the first drain line 202 is disposed on the water collecting chamber 400. Above the opening.
  • the first drain port 201 and the first drain line 202 are each a plurality, each of the first drain ports 201 respectively corresponding to the corresponding first drain line 202, or the plurality of first drain ports 201 may correspond to a first drain line
  • the water that has been pumped out due to the centrifugal action of the washing tub 206 enters the first drain pipe 202 through the first drain port 201, and passes through the water outlet of the first drain pipe 202.
  • 203 is discharged into the water collection chamber 400 to block the overflow of the water.
  • the water outlet 203 of the first drain line 202 is disposed above the upper opening of the water collection chamber 400.
  • the water enters the first drainage pipe 202 through the first drainage port 201 and is discharged into the water collecting chamber 400 through the water outlet 203 to prevent the water from overflowing; the water outlet 203 is disposed in the block.
  • Above the upper opening of the water collecting chamber 400 of the water gluten 501 the water discharged from the water outlet 203 directly falls into the water collecting chamber 400, and the structure is simpler, and it is not necessary to add other additional components, and the water collecting effect is better.
  • the inner tub 200 further includes a second drain port 204 for discharging water in the inner tub 200 into the water collecting chamber 400 when dewatering and/or drying, between the second drain port 204 and the water collecting chamber 400.
  • a occlusion device 205 is provided, which opens the second drain 204 when dewatering and/or drying, and a large amount of water in the inner tub 200 is discharged through the second drain 204, which will be The second drain port 204 is blocked, and water is retained in the inner tub 200 for washing.
  • the second drain port 204 is disposed above the upper opening of the water collecting chamber 400, and the blocking device 205 is disposed at a lower portion of the second drain port 204.
  • the plugging device 205 when dehydrating and/or drying, opens the second drain port 204 to discharge the water in the inner tub 200 directly into the water collecting device, and the water retaining rib 501 blocks the water from overflowing. And discharging the water through the drain pipe 401 to the washing machine; when washing, the plugging device 205 blocks the second drain port 204, so that the water in the inner tub 200 remains in the inner tub 200 for washing.
  • the washing machine is a pulsator washing machine.
  • the occlusion device 205 includes a valve plug 205-1 and an electromagnetic device 205-2 disposed under the valve plug 205-1.
  • the electromagnetic device 205-2 is electrically connected to a control device of the washing machine.
  • the valve plug 205 -1 blocking the second drain port 204 to prevent water from draining in the inner tub 200.
  • the electromagnetic device 205-2 controls the valve plug 205-1 to move downward to make the second drain port 204 Open and drain water into the water collection device.
  • the mounting plate 500 is provided with a positioning device.
  • the bottom wall of the inner tub 200 is provided with a matching portion matching the positioning device.
  • the engaging portion can be a positioning groove.
  • the positioning device When the positioning device is dehydrated and/or dried, the positioning device is separated from the engaging portion.
  • the inner tub 200 rotates with the output shaft 303.
  • the positioning device cooperates with the mating portion to clamp the inner tub 200 on the mounting plate 500, and the valve plug 205-1 is opposite to the second drain port 204, and the second The drain port 204 blocks the water in the inner tub 200 from being discharged, and the output shaft drives the pulsator in the washing machine to rotate.
  • the mounting plate 500 is disposed between the inner tub 200 and the driving device 300, and the lower portion of the mounting plate 500 is fixedly connected to the outer casing of the driving device 300.
  • the driving device 300 includes a motor 301.
  • the motor 301 is provided with a deceleration clutch device 302.
  • the lower portion of the mounting plate 500 is fixedly connected to the deceleration clutch or to the outer casing of the motor 301.
  • the mounting plate 500 and the driving device 300 may be connected in a manner that the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • the output shaft 303 of the reduction clutch is connected to the inner tub 200 through the mounting plate 500 to drive the rotation of the inner tub 200, and the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • a suspension type expansion washing machine includes a box body 100, a washing tub 206 disposed in the box body 100, and a driving device 300.
  • the output shaft 303 of the driving device 300 is connected to the washing tub 206.
  • For driving the washing tub 206 to rotate further comprising a shock absorbing boom assembly 600 and a mounting member 700 disposed at a lower portion of the washing tub 206, the driving device 300 being mounted on the mounting member 700, the shock absorbing boom assembly 600 One end is connected to the case 100, and the other end is connected to the mounting member 700.
  • the shock absorbing sleeve 2 is caught under the mounting portion, and the shock absorbing device 3 is a shock absorbing sleeve covering the upper end of the damper sleeve 2 and located between the damper sleeve 2 and the mounting portion.
  • the shock absorbing boom assembly 600 is mounted on the mounting member 700 by providing the mounting member 700 under the washing tub 206. Since the mounting member 700 is positioned lower than the washing tub 206, the longitudinal height of the mounting portion 701 is lowered to allow installation. The inclination angle ⁇ between the rear shock absorbing boom assembly 600 and the side wall of the box is reduced, thereby reducing the occupied space of the shock absorbing boom assembly 600 when the structure is suspended from the washing tub 206 and the cabinet 100. In the meantime, it is possible to increase the diameter of the washing tub 206 without increasing the volume of the casing 100, thereby achieving the purpose of expanding the capacity.
  • the laundry tub 206 may be a laundry tub 206 having only an inner tub 200 for holding water and performing laundry, and the laundry tub 206 may also be a tub 206 having an inner tub 200 and an outer tub.
  • the mounting member 700 includes a mounting portion 701 for mounting with the shock absorbing boom assembly 600, the mounting portion 701 being no higher than the tub bottom of the tub 206.
  • the mounting portion 701 is not higher than the bottom of the tub 206, so that it does not occupy the space between the tub 206 and the cabinet 100, and the diameter of the tub 206 can be increased to achieve capacity expansion.
  • the mounting portion 701 is located below the bottom of the tub of the washing tub 206.
  • the shock absorbing boom assembly 600 is assembled with the mounting portion 701, the mounting portion 701 is lower than the bottom of the tub 206.
  • the angle of the inclination angle formed between the suspension boom assembly 600 and the casing 100 is reduced, that is, the shock absorbing boom assembly 600 is more closely fitted to the inner wall of the casing 100, and a more abundant space is reserved for the washing tub 206. Therefore, the purpose of expansion can be achieved by increasing the diameter of the washing tub 206.
  • the projection of the mounting portion 701 in the horizontal direction is located at the periphery of the projection of the washing tub 206 in the horizontal direction.
  • the mounting portion 701 Since the mounting portion 701 is disposed below the bottom of the tub 206 and does not occupy the space between the tub 206 and the cabinet 100, the mounting portion 701 does not collide with the tub 206. Under this premise, the mounting portion 701 is The horizontal direction extends beyond the barrel wall of the washing tub 206, so that the projection of the mounting portion 701 in the horizontal direction is located at the periphery of the projection of the washing tub 206 in the horizontal direction, further reducing the installation space of the shock absorbing boom assembly 600, and further The installation space of the washing tub 206 is increased, and the expansion of the washing tub 206 is realized.
  • the output shaft 303 is connected to the washing tub 206 through the mounting member 700 for driving the washing tub 206 to rotate.
  • the mounting member 700 is coupled to the output shaft 303 through a bearing.
  • the mounting member 700 can also be fixedly connected to the outer casing of the driving device 300 to make the mounting member 700, the driving device 300 and the washing tub 206 a relatively independent whole body; the mounting member 700 can also be fixedly connected with the outer casing of the driving device 300.
  • the output shaft 303 is coupled to the output shaft 303 to form the mounting member 700, the drive unit 300, and the washing tub 206 as a relatively independent unit.
  • the mounting member 700 is connected to the output shaft 303 through a bearing and/or to the outer casing of the driving device 300, so that the mounting member 700, the driving device 300 and the washing tub 206 become a relatively independent whole body, and the mounting member is reduced by the shock absorbing member.
  • the vibration of the 700 further reduces the vibration of the washing tub 206 and the driving device 300, thereby achieving a good shock absorbing effect.
  • the mounting member 700 is a central symmetrical structure, and the damper hanger assembly 600 is plural, and the plurality of damper hanger assemblies 600 are evenly distributed around the mounting member 700.
  • the mounting plate 500 By setting the mounting plate 500 to a central symmetrical structure, the overall center of gravity deviation of the mounting plate 500, the washing tub 206, and the motor 301 is reduced, and a better shock absorbing effect is achieved; the mounting plate 500 is set to a circular shape, and the driving is facilitated on the one hand.
  • Device 300 makes the structure smoother
  • the present embodiment further defines the fourth embodiment.
  • the mounting member 700 is a flat circular mounting plate 500.
  • the diameter of the mounting plate 500 is larger than the diameter of the washing tub 206.
  • the mounting plate 500 is disposed under the washing tub 206.
  • the lower end of the shock absorbing boom assembly 600 is assembled with the edge of the mounting plate 500, and the connecting portion connecting the shock absorbing boom assembly 600 and the mounting plate 500 is located in the washing tub 206.
  • the lower portion is located outside the circumferential direction of the tub 206, that is, the mounting portion 701 is located obliquely below the bottom of the tub 206 to reduce the hanging space of the shock absorbing boom assembly 600, thereby increasing the volume of the cabinet 100 without increasing the volume of the cabinet 100.
  • the space reserved for the laundry tub 206 is increased.
  • the drive device 300 is mounted on a lower portion of the mounting plate 500 through which the output shaft 303 of the drive device 300 passes and is coupled to the mounting plate 500 by bearings.
  • the shock absorbing boom assemblies 600 are four and are evenly distributed around the circular mounting plate 500.
  • the shock absorbing member includes a boom 1 and a shock absorbing sleeve 2 for generating a damping force, one end of the boom 1 is fixed to an upper portion of the casing 100, and the other end passes through the mounting portion 701 and is reduced.
  • the shock sleeve 2 is connected.
  • the damping sleeve 2 is located at a lower portion of the mounting plate 500, so that the damping sleeve 2 does not occupy the space between the casing 100 and the washing tub 206 in the horizontal direction, further reducing the expansion of the washing tub 206 by the damping sleeve 2 Obstruction.
  • the mounting manner of the shock absorbing member and the box body 100 and the mounting plate 500 may be: the upper portion of the box body 100 is provided with a mounting seat, one end of the boom 1 is connected with the mounting member 700, and the other end is passed through the mounting seat.
  • the shock sleeve 2 is connected.
  • the mounting member 700 may also be a cross-shaped mounting plate 500.
  • the shock absorbing boom assembly 600 is respectively connected to the edge of each branch of the cross-shaped mounting plate 500, and the mounting portion 701 of the damper hanger assembly 600 connected to the cross-shaped mounting plate 500 is provided. Lower than the bottom of the tub 206, so that it does not occupy space between the tub 206 and the cabinet 100 while being lowered by the mounting portion 701, reducing the installation space of the shock absorbing boom assembly 600, and realizing the expansion of the tub 206 .
  • the mounting plate 500 may be a flat plate or a structure having a low intermediate edge and a low edge, for example, including an annular edge plate, a circular center plate, and a connecting riser for connecting the edge plate and the center plate, and the cross section forms an " ⁇ " shape.
  • the mounting plate 500 can also be fixedly connected to the casing of the driving device 300.
  • the mounting plate 500 can also be connected to the casing and the output shaft 303 through bearings at the same time.
  • the damper device includes a motor 301, and the motor is provided with a deceleration clutch, and the output shaft 303 of the deceleration clutch is connected to the washing tub 206.
  • the washing tub 206 is driven to rotate.
  • the damper device further includes a first damper member 703, one end of the first damper member 703 is movably connected to the mounting member 700, and the other end is movably connected to the bottom of the box body 100.
  • the first damper member 703 applies a downward pulling force to the mounting member 700, so that the mounting member 700 is simultaneously subjected to the downward pulling force of the first damper member 703 and the upward pulling force of the damper hanger assembly 600, through the combined force of the two. Achieve better shock absorption.
  • the mounting member 700 is a circular flat mounting plate 500.
  • the shock absorbing boom assembly 600 is connected to the mounting plate 500 from the upper portion, and the first damper member 703 is connected to the mounting plate 500 from the lower portion to implement the absorbing suspension rod assembly 600 and the first A damper member 703 simultaneously acts on the mounting plate 500 to dampen the mounting plate 500 to achieve a shock absorbing effect on the tub 206 and the motor 301.
  • the mounting member 700 includes a mounting large plate 700-1 coupled to the shock absorbing boom assembly 600 and a mounting small plate 700-2 coupled to the first shock absorbing member 703, the mounting large plate 700- 1 is connected with the mounting small plate 700-2 through a rib to enhance the strength of the mounting member.
  • the rib spacing is set to enhance the effect. Since the bottom wall of the washing machine case 100 needs to be provided with a reinforcing structure and other components to be installed, the diameter of the large plate 700-1 is generally designed to be larger than the diameter of the mounting small plate 700-2, providing space for installation of other components. Separate settings make it easier to use the space of the mounting piece 700, which is more convenient to use.
  • first shock absorbing member 703 is hinged to the mounting member 700, and the other end is hinged to the bottom of the housing 100.
  • first shock absorbing member 703 is a shock absorber.
  • the washing machine further includes a second damper 704 disposed on the driving device 300.
  • One end of the second damper 704 is fixedly connected to the driving device 300, and the other end is fixedly connected to the bottom wall of the casing 100.
  • the second damper member 704 By providing the second damper member 704 to apply a downward pulling force or an upward elastic force to the driving device 300, in combination with the first damper member 703 and the damper hanger assembly 600, the mounting plate 500, the driving device 300, and The overall formation of the washing tub 206 achieves a better shock absorbing effect under the combined action of individual components.
  • one end of the second damper member 704 is fixedly connected to the stator of the motor 301, and the other end is fixedly connected to the bottom wall of the box 100.
  • the second damper device is a damper spring.
  • the washing machine is further provided with a water collecting device for blocking overflow of water discharged from the inner tub 200, and the water collecting device as a whole is located at a lower portion of the bottom of the inner tub 200.
  • the water collecting device includes a water collecting chamber 400 having an upper opening, the upper end of the side wall of the water collecting chamber 400 being lower than the bottom of the inner tub 200, and the inner tub 200 communicating with the upper opening of the water collecting chamber 400.
  • the mounting plate 500 is provided with a water retaining rib 501, and the mounting plate 500 is enclosed with the water retaining rib 501 to form a water collecting chamber 400.
  • the structure is simple and convenient for processing and forming.
  • the water collecting chamber 400 is located in the middle of the mounting plate 500, so that the center of gravity of the water retaining device is more easily coincident with the center, reducing the offset.
  • the water retaining rib 501 is annular, and the water retaining rib 501 is enclosed with the mounting plate 500 to form an annular water collecting chamber 400.
  • the water retaining rib 501 is disposed obliquely, and by setting the water retaining rib 501 to an inclined shape, the water retaining amount can be maximized and the use is more convenient;
  • the water retaining rib 501 gradually contracts from the top to the bottom in the direction of the central axis of the water collecting chamber 400, so that the upper opening has a larger diameter and is more convenient for collection.
  • the bottom outer wall of the inner tub 200 is a curved surface, and the water retaining rib 501 is spaced apart from the curved surface of the inner tub 200 by a certain distance.
  • the projection of the inner tub 200 in the horizontal direction covers the projection of the water collecting chamber 400 in the horizontal direction.
  • the interval between the water collecting chamber 400 and the tank 100 is increased, and the collision of the water collecting chamber 400 against the tank 100 is prevented, and the set is reduced.
  • the water chamber 400 is damaged; at the same time, the water collecting chamber 400 is small, and the installation of other devices at the bottom of the box 100 is more convenient.
  • the projection of the inner tub 200 in the horizontal direction may also be smaller than the projection of the water collecting chamber 400 in the horizontal direction, and more water can be collected.
  • the mounting plate 500 is provided with a drain pipe 401.
  • One end of the drain pipe 401 is in communication with the water collecting chamber 400, and the other end is connected to the outside of the washing machine or communicates with the total drain pipe of the washing machine to discharge the water.
  • a first drain line 202 communicating with the first drain port 201 and the first drain port 201 is disposed on the barrel wall of the inner tub 200, and the water outlet 203 of the first drain line 202 is disposed on the water collecting chamber 400. Above the opening.
  • the first drain port 201 and the first drain line 202 are each a plurality, each of the first drain ports 201 respectively corresponding to the corresponding first drain line 202, or the plurality of first drain ports 201 may correspond to a first drain line
  • the water that has been pumped out due to the centrifugal action of the washing tub 206 enters the first drain pipe 202 through the first drain port 201, and passes through the water outlet of the first drain pipe 202.
  • 203 is discharged into the water collection chamber 400 to block the overflow of the water.
  • the water outlet 203 of the first drain line 202 is disposed above the upper opening of the water collection chamber 400.
  • the water enters the first drainage pipe 202 through the first drainage port 201 and is discharged into the water collecting chamber 400 through the water outlet 203 to prevent the water from overflowing; the water outlet 203 is disposed in the block.
  • Above the upper opening of the water collecting chamber 400 of the water gluten 501 the water discharged from the water outlet 203 directly falls into the water collecting chamber 400, and the structure is simpler, and it is not necessary to add other additional components, and the water collecting effect is better.
  • the inner tub 200 further includes a second drain port 204 for discharging water in the inner tub 200 into the water collecting chamber 400 when dewatering and/or drying, between the second drain port 204 and the water collecting chamber 400.
  • a occlusion device 205 is provided, which opens the second drain 204 when dewatering and/or drying, and a large amount of water in the inner tub 200 is discharged through the second drain 204, which will be The second drain port 204 is blocked, and water is retained in the inner tub 200 for washing.
  • the second drain port 204 is disposed above the upper opening of the water collecting chamber 400, and the blocking device 205 is disposed at a lower portion of the second drain port 204.
  • the plugging device 205 when dehydrating and/or drying, opens the second drain port 204 to discharge the water in the inner tub 200 directly into the water collecting device, and the water retaining rib 501 blocks the water from overflowing. And discharging the water through the drain pipe 401 to the washing machine; when washing, the plugging device 205 blocks the second drain port 204, so that the water in the inner tub 200 remains in the inner tub 200 for washing.
  • the washing machine is a pulsator washing machine.
  • the occlusion device 205 includes a valve plug 205-1 and an electromagnetic device 205-2 disposed under the valve plug 205-1.
  • the electromagnetic device 205-2 is electrically connected to a control device of the washing machine.
  • the valve plug 205 -1 blocking the second drain port 204 to prevent water from draining in the inner tub 200.
  • the electromagnetic device 205-2 controls the valve plug 205-1 to move downward to make the second drain port 204 Open and drain water into the water collection device.
  • the mounting plate 500 is provided with a positioning device.
  • the bottom wall of the inner tub 200 is provided with a matching portion matching the positioning device.
  • the engaging portion can be a positioning groove.
  • the positioning device When the positioning device is dehydrated and/or dried, the positioning device is separated from the engaging portion.
  • the inner tub 200 rotates with the output shaft 303.
  • the positioning device cooperates with the mating portion to clamp the inner tub 200 on the mounting plate 500, and the valve plug 205-1 is opposite to the second drain port 204, and the second The drain port 204 blocks the water in the inner tub 200 from being discharged, and the output shaft drives the pulsator in the washing machine to rotate.
  • the mounting plate 500 is disposed between the inner tub 200 and the driving device 300, and the lower portion of the mounting plate 500 is fixedly connected to the outer casing of the driving device 300.
  • the driving device 300 includes a motor 301.
  • the motor 301 is provided with a deceleration clutch device 302.
  • the lower portion of the mounting plate 500 is fixedly connected to the deceleration clutch or to the outer casing of the motor 301.
  • the mounting plate 500 and the driving device 300 may be connected in a manner that the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • the output shaft 303 of the reduction clutch is connected to the inner tub 200 through the mounting plate 500 to drive the rotation of the inner tub 200, and the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.

Landscapes

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

Abstract

La présente invention concerne un ensemble tige de suspension d'absorption des chocs pour lave-linge, et un lave-linge. L'ensemble tige de suspension d'absorption des chocs (600) comprend une tige de suspension (1) et un manchon d'absorption des chocs (2) emmanché sur l'extrémité inférieure de la tige de suspension (1). Une partie de montage permettant de suspendre le manchon d'absorption des chocs (2) est disposée au niveau du fond d'une cuve externe d'un lave-linge. Le manchon d'absorption des chocs (2) est disposé sous la partie de montage. La tige de suspension (1) passe à travers la partie de montage à suspendre sur le corps de boîte du lave-linge. L'ensemble tige de suspension d'absorption des chocs (600) comprend en outre un dispositif tampon d'absorption des chocs (3). Le dispositif tampon d'absorption des chocs (3) est emmanché sur la tige de suspension (1) et est situé entre la partie de montage et le manchon d'absorption des chocs (2), et recouvre la surface d'extrémité supérieure du manchon d'absorption des chocs (2) pour réduire les chocs. Dans l'ensemble tige de suspension d'absorption des chocs (600), le dispositif tampon d'absorption des chocs (3) est situé entre la partie de montage et le manchon d'absorption des chocs (2), et recouvre la surface d'extrémité supérieure du manchon d'absorption des chocs (2); ainsi, les surfaces de contact entre le dispositif tampon d'absorption des chocs (3) et le manchon d'absorption des chocs (2) ainsi que la partie de montage sont considérablement accrues, réduisant ainsi la pression de collision et de choc entre la partie de montage et le manchon d'absorption des chocs (2), et aidant à réduire les chocs du lave-linge, et l'ensemble tige de suspension d'absorption des chocs (600) n'est pas facile à endommager. De plus, un amortissement en coulissement peut en outre être généré par la partie du dispositif tampon d'absorption des chocs (3) emmanché sur la tige de suspension (1), de sorte à réduire davantage les chocs.
PCT/CN2018/094330 2017-07-03 2018-07-03 Ensemble tige de suspension d'absorption des chocs pour lave-linge, et lave-linge Ceased WO2019007339A1 (fr)

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CN201710532338.5A CN109208254B (zh) 2017-07-03 2017-07-03 一种洗衣机减震吊杆组件及洗衣机
CN201710532338.5 2017-07-03

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CN109385797B (zh) * 2017-08-04 2025-06-24 青岛海尔洗衣机有限公司 一种洗衣机
CN109385831B (zh) * 2017-08-04 2021-04-27 青岛海尔洗衣机有限公司 一种洗衣机
CN113529357A (zh) * 2020-04-22 2021-10-22 青岛胶南海尔洗衣机有限公司 一种洗衣机减震缓冲组件及洗衣机
CN112197798A (zh) * 2020-11-06 2021-01-08 佛山市川东磁电股份有限公司 一种温湿度传感器封装结构

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JPH10323487A (ja) * 1997-05-23 1998-12-08 Matsushita Electric Ind Co Ltd 脱水兼用洗濯機の防振装置
JP2000107488A (ja) * 1998-10-08 2000-04-18 Toshiba Corp 洗濯機の防振装置
CN204755696U (zh) * 2015-05-25 2015-11-11 天津圣金特汽车配件有限公司 一种新型汽车座椅减震器
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