WO2019015530A1 - 一种家用电器用底脚及家用电器 - Google Patents

一种家用电器用底脚及家用电器 Download PDF

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Publication number
WO2019015530A1
WO2019015530A1 PCT/CN2018/095560 CN2018095560W WO2019015530A1 WO 2019015530 A1 WO2019015530 A1 WO 2019015530A1 CN 2018095560 W CN2018095560 W CN 2018095560W WO 2019015530 A1 WO2019015530 A1 WO 2019015530A1
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WO
WIPO (PCT)
Prior art keywords
foot
mounting groove
sheath
household appliance
mounting
Prior art date
Application number
PCT/CN2018/095560
Other languages
English (en)
French (fr)
Inventor
赵志强
许升
李洋
Original Assignee
青岛海尔洗衣机有限公司
青岛海尔智能技术研发有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, 青岛海尔智能技术研发有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to US16/632,024 priority Critical patent/US10844531B2/en
Priority to JP2020502636A priority patent/JP6997856B2/ja
Publication of WO2019015530A1 publication Critical patent/WO2019015530A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
    • F16F13/102—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of flexible walls of equilibration chambers; decoupling or self-tuning means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks

Definitions

  • the present invention relates to the field of support leveling technology for household appliances, and in particular to a household appliance foot and a household appliance.
  • Household appliances are generally provided with leveling devices at the bottom of the casing. When the household appliances are placed, the leveling device can be adjusted to a stable state. After leveling and placing, the leveling device can support the household appliances to keep them. stable.
  • the existing washing machine generally has a bolt foot installed on the bottom of the casing or the whole machine.
  • the bolt foot includes a screw, a nut washer and a rubber pad, and the nut washer can be rotated up and down on the screw, and the screw can also be used.
  • the foot of most washing machines is rotated counterclockwise to increase the height, and the clockwise rotation is Lower the height and after tightening the height of the bolt foot, prevent the loose nut gasket from tightening to maintain stability.
  • the foot of the above washing machine realizes the leveling of the washing machine, the user needs to perform manual adjustment. If the washing machine has a large self-weight or a small installation space, the user operation is inconvenient. In addition, the vibration of the washing machine during the long-term work also has an effect on the leveling foot, which easily leads to the failure of the support and causes the unevenness of the washing machine.
  • the existing 8KG drum washing machine is generally about 80Kg, which is relatively heavy.
  • the adjustment of the consumer is extremely inconvenient. Even if the adjustment is completed, the washing machine cannot be adjusted to the optimal state.
  • the washing machine is accelerated from 0r/min to 1400r/min. When dry dehydration, the washing machine does not have horizontal or virtual leg problems, which will cause great vibration, which greatly affects the consumer's comfort.
  • the first object of the present invention is to provide a foot for household appliances, and in particular, to adopt the following technical solutions:
  • a foot for household appliances including:
  • the hydraulic medium is sealed in the accommodating chamber, and under the action of pressure, the hydraulic medium compresses/expands, and the adjusting foot is axially moved in the sheath for leveling;
  • one end of the adjusting foot is disposed in the sheath and is movable relative to the axial direction thereof, and the other end is a supporting end; the supporting end is provided with a mounting groove, and the damping pad is embedded in the mounting. Inside the slot.
  • the mounting groove includes a first mounting groove recessed to the supporting end, the damping pad has a first convex portion protruding from the upper surface, and the first protruding portion is embedded Inside the first mounting groove.
  • the mounting groove further includes a second mounting groove recessed in the supporting end, the second mounting groove has a depth greater than a depth of the first mounting groove; a second protrusion protruding from the upper surface, the protrusion height of the second protrusion is greater than the first protrusion; the first protrusion is correspondingly embedded in the first mounting groove, and the second protrusion is Correspondingly embedded in the second mounting groove.
  • the first mounting groove is an annular groove centered on the center of the support end, and the first protrusion is protruded from the upper surface of the damping pad and the center of the damping pad is a central annular step, the annular protrusion is matched with the annular groove;
  • the second mounting groove is a circular groove disposed at a center of the support end, and the second protrusion is protruded A stud structure that dampens the upper surface of the shim and is located at the center of the damper pad, and the stud structure is embedded in the circular groove.
  • first mounting groove is formed by a middle portion of the bottom wall of the supporting end portion lower than the edge
  • second mounting groove is formed by the central position of the bottom wall of the supporting end portion toward the inner portion of the adjusting foot.
  • the invention further includes a flexible receiving body having a cavity therein, the hydraulic medium being accommodated in a cavity of the flexible receiving body, the flexible receiving body having an opening portion sealed on the hydraulic plate and the inside of the hydraulic plate Having a liquid flow path in communication with the interior chamber of the flexible containment body;
  • the hydraulic medium in the flexible housing compresses/expands, and the hydraulic medium circulates between the flexible container and the liquid flow path, causing the adjustment foot to move axially within the sheath for leveling;
  • the second mounting groove corresponding to the adjusting foot on the flexible receiving body is provided with a relief portion.
  • the flexible receiving body comprises a telescopic receiving body, the opening portion is a small-diameter structure communicating with the receiving body, the receiving body is disposed inside the adjusting foot, and the receiving body is supported and supported One end of the inner wall of the end portion is correspondingly recessed to form a relief portion corresponding to the second mounting groove.
  • a mounting post is disposed on one end surface of the hydraulic plate, and the opening of the flexible receiving body covers the mounting post and is sealingly mounted on the hydraulic plate, and the end of the mounting stud is provided with a groove.
  • a second object of the present invention is to provide a home appliance having the foot for household appliances according to any of the above.
  • the fluidity of the hydraulic medium causes the foot to automatically adjust adaptively due to the different pressure generated by the unevenness, until the foot of the household appliance reaches equilibrium, and the hydraulic medium stops circulating, realizing automatic Leveling.
  • the footing of the household appliance of the invention, the damper gasket and the adjusting foot are embeddedly installed, and the embedded mounting structure is reasonably set, does not affect the height of the adjusting foot of the foot of the household appliance, and utilizes the internal space reasonably to realize the damping gasket and The connection strength of the adjustment foot is greatly improved to avoid the possibility of the damping pad falling off.
  • FIG. 1 is a schematic perspective view of a three-dimensional structure of a footrest for a household appliance according to an embodiment of the present invention
  • FIG. 2 is a schematic perspective view of a three-dimensional structure of a footrest for a household appliance according to an embodiment of the present invention
  • Figure 3 is a plan view showing the foot of the household appliance according to the embodiment of the present invention.
  • Figure 4 is a cross-sectional view (elongated state) of the foot of the household appliance according to the embodiment of the present invention taken along line A-A of Figure 3;
  • Fig. 5 is a cross-sectional view (compressed state) of the footrest of the household appliance according to the embodiment of the present invention taken along line A-A of Fig. 3.
  • a footrest for a household appliance includes:
  • the hydraulic medium is sealed in the accommodating chamber, and under pressure, the hydraulic medium compresses/expands, and the adjusting foot 300 is axially moved in the sheath 200 to be leveled;
  • a damping spacer 400 embedded in the supporting end of the adjusting leg 300 to increase the supporting damping force of the adjusting foot 300 and the supporting surface.
  • the foot of the household appliance causes the adjustment foot 300 to automatically adjust adaptively due to the different pressure generated by the unevenness, until the foot of the household appliance reaches equilibrium, and the hydraulic medium stops circulating. Achieve automatic leveling.
  • the damping spacer 400 of the embodiment is embedded and mounted on the supporting end of the adjusting foot 300, which increases the damping force of the foot and the supporting surface of the household appliance, has a better anti-slip effect, and ensures the stability of the support.
  • the damper spacer 400 is subjected to a lateral force, after a certain period of time, if the connection between the damper pad 400 and the adjustment leg 300 is not strong enough, the damper pad 400 of the present embodiment is embedded. The way of greatly increasing the connection between the damping pad and the adjusting foot 300 prevents it from falling off.
  • one end of the adjusting leg 300 in the embodiment is disposed in the sheath 200 and is movable relative to the axial direction thereof, and the other end is a supporting end; the supporting end is provided with a mounting groove, the damping pad
  • the sheet 400 is embedded in the mounting slot.
  • the damping spacer 400 is embedded in the mounting groove of the adjusting leg 300, so that when the damping spacer 400 is subjected to the lateral force, the damping spacer 400 is blocked by the lateral limit of the mounting groove, and the damping spacer 400 is avoided. Under the lateral force, the adjustment foot 300 is laterally displaced and falls off.
  • the mounting groove includes a first mounting groove 304 recessed in the supporting end, and the damping pad 400 has a first protrusion protruding from the upper surface. 402 .
  • the first protrusion 402 is embedded in the first mounting groove 304 .
  • the mounting groove further includes a second mounting groove 306 recessed in the supporting end, the second mounting groove 306 has a depth greater than a depth of the first mounting groove 304; the damping pad
  • the sheet 400 has a second protrusion 403 protruding from the upper surface, the protrusion height of the second protrusion 403 is greater than the first protrusion 402; the first protrusion 402 is correspondingly embedded in the first mounting groove Within the 304, the second raised portion 403 is correspondingly embedded in the second mounting groove 306.
  • the mounting groove of this embodiment includes a first mounting groove 304 and a second mounting groove 306 having different depths, and the corresponding damping pad 400 has a first protrusion 402 and a second protrusion having different heights. 403, in this way, the damping spacer 400 is correspondingly embedded in the mounting groove of the adjusting foot 300 for positioning and installation, and the mounting grooves of different depths and the protrusions of different heights make the embedded mounting of the damping pad 400 tighter. And can resist greater lateral forces.
  • the first mounting groove 304 described in this embodiment is an annular groove centered on the center of the supporting end, and the first protruding portion 402 protrudes from the upper surface of the damping pad 400 and
  • the center of the damper spacer 400 is a center-shaped annular protrusion, and the annular protrusion is matched with the annular groove;
  • the second mounting groove 306 is a circular groove disposed at the center of the support end, the first The two raised portions 403 are protruding post structures protruding from the upper surface of the damping spacer 400 and located at the center of the damping spacer 400, and the protruding post structure is embedded in the circular recess.
  • the embedded mounting of the annular step and the annular groove of the embodiment can resist the general lateral force of the damping pad, and the embedded mounting of the column structure and the circular groove can resist the large lateral direction of the damping pad.
  • the impact force therefore, the embedded mounting manner of the damper spacer 400 and the adjusting foot 300 of the present embodiment can resist a wider range of lateral force, and the damper spacer 300 can be prevented from moving laterally under the lateral force to fall off.
  • first mounting groove 304 of the embodiment is formed by the middle of the bottom wall of the supporting end being lower than the edge, and the second mounting groove 306 is oriented from the center of the bottom wall of the supporting end toward the adjusting foot.
  • the internal depression is formed.
  • a foot for a household appliance of the embodiment further includes a flexible receiving body 500 having a cavity therein, the hydraulic medium being received in a cavity of the flexible receiving body 500, the flexible receiving body 500 having an opening
  • the portion 502 is sealingly mounted on the hydraulic plate 100, and the hydraulic plate 100 has a liquid flow path communicating with the inner chamber of the flexible container 500;
  • the hydraulic medium in the flexible container 500 compresses/expands, and the hydraulic medium circulates between the flexible container 500 and the liquid flow path, and the adjustment foot 300 is axially moved within the sheath 200 to be leveled;
  • the second mounting groove 306 of the flexible receiving body 500 corresponding to the adjusting foot 300 is provided with a relief portion 503.
  • the second mounting groove 306 is formed by the central position of the bottom wall of the supporting end toward the inner side of the adjusting leg, correspondingly, a cylindrical protrusion 305 is formed on the inner bottom wall of the adjusting foot, and the relief portion 503 is actually a corresponding columnar convex. Set to 305, it is provided to avoid the columnar protrusions 305.
  • the flexible accommodating body 500 includes a retractable accommodating body 501, and the opening portion 502 is a small-diameter structure that communicates with the accommodating body 501.
  • the accommodating body 501 is disposed inside the adjusting leg 300.
  • One end of the accommodating body 501 that is in contact with the inner wall of the support end portion is partially recessed to form a relief portion 503 corresponding to the second mounting groove 306.
  • the damping pad 400 of the embodiment is provided with a damping rib 401 on the side in contact with the supporting surface to increase the damping effect, improve the friction against the supporting surface, and enhance the stability.
  • the damper spacer 400 of the present embodiment may be a rubber gasket or the like.
  • a mounting post is disposed on one end surface of the hydraulic plate 100 of the embodiment, and the opening 502 of the flexible receiving body 500 covers the mounting post and is sealingly mounted on the hydraulic plate 100, and the end of the mounting post is mounted.
  • a groove 108 is provided.
  • connection manner of the damping pad 400 and the adjusting foot of the embodiment may be in-mold injection molding, bonding, etc., the connection mode is simple, and the connection stability is strong, and the falling off is avoided.
  • the damper pad 400 and the adjusting leg 300 of the embodiment are embedded and installed, and the embedded mounting structure is reasonably set, does not affect the height of the adjusting foot 300 of the foot of the household appliance, and utilizes the internal space reasonably to realize the damping pad 400 and the adjustment.
  • the connection strength of the foot 300 is greatly improved to avoid the possibility of the damping pad falling off.
  • a footrest for a household appliance includes:
  • a hydraulic medium is disposed in the accommodating chamber, and the hydraulic medium compresses/expands to move the adjusting foot 300 axially within the sheath 200 to be leveled as the pressure changes.
  • the foot of the household appliance has the fluidity of the hydraulic medium, so that the adjustment foot automatically adjusts adaptively until the foot of the household appliance reaches equilibrium, and the hydraulic medium stops leading. Automatic leveling.
  • the hydraulic plate 100 is provided with a first mounting structure 103 for fixed connection with a bottom plate of a household appliance; the hydraulic plate 100 is provided for fixing with the sheath 200 A second mounting structure 104 is connected.
  • the adjusting foot 300 is axially movable in the sheath 200, and the hydraulic plate 100 is fixedly connected to the sheath 200 through the second mounting structure 104 to realize independent assembly of the foot of the household appliance.
  • the assembled household appliance foot is then integrally mounted on the bottom plate of the household appliance through the first mounting structure 103, and the foot of the household appliance is mounted on the household appliance.
  • the assembly of the foot of the household appliance is realized by the second mounting structure 104, and the foot of the household appliance is installed on the household appliance through the first mounting structure 103, and the corresponding installation is realized through different mounting structures to ensure the use of the household appliance.
  • the household appliance foot of the embodiment directly fixes the hydraulic plate 100 to the bottom of the household appliance, and fixes the sheath 200 to the hydraulic plate 100 such that the hydraulic plate 100 is sandwiched by the bottom of the household appliance and the sheath 200, so that
  • the strength of the fixed connection of the hydraulic plate 100 and the sheath 200 is not necessary, and the connection between the two is mainly intended to be an integral foot, and the strength of the joint is independent of the gravity of the household appliance and the supporting force of the adjusting foot 300. Therefore, the footrest for the household appliance of the present invention can realize the quick and reliable fixed connection of the hydraulic plate 100 and the sheath 200, and reduce the connection strength requirements of the two, and further reduce the necessary space and height required for the connection.
  • the foot structure of the household appliance of the embodiment is simpler, the installation is simpler, and the stability is better.
  • the structural design of the footrest for the household appliance of the present embodiment can also reduce the overall height thereof, and has a better shock absorbing effect for the home appliance, such as a washing machine, and the foot of the household appliance of the present invention has more dehydration vibration for the washing machine. Good shock absorption effect.
  • the first mounting structure 103 is a first mounting hole disposed on a hydraulic plate, and the hydraulic plate 100 is fixedly connected through the first mounting hole through the first connecting member.
  • the first mounting structure 103 is a first mounting hole disposed on a hydraulic plate, and the hydraulic plate 100 is fixedly connected through the first mounting hole through the first connecting member.
  • the bottom plate of the household appliance On the bottom plate of the household appliance.
  • the first mounting hole in the embodiment is a screw hole
  • the first connecting member is a screw
  • a mounting hole for a screw is disposed on a bottom plate of the household appliance, and the screw passes through
  • the mounting holes on the bottom plate are mounted on the screw holes on the hydraulic plate 100 for fixed mounting.
  • the second mounting structure 104 of the embodiment is a second mounting hole, and the hydraulic plate is fixedly connected to the sheath through the second mounting hole through the second connecting member.
  • the upper end of the sheath 200 of the embodiment is outwardly turned to form a mounting plane, and the mounting plane is attached to the bottom surface of the hydraulic plate 100 and fixedly connected; and the mounting plane defines a fourth mounting corresponding to the second mounting hole. hole.
  • the mounting plane of the sheath 200 is attached to the hydraulic plate 100, so that more pressure is transmitted to the mounting plane to be dispersed, and the hydraulic plate 100 is prevented from being subjected to excessive pressure because the hydraulic plate 100 has an internal portion for The liquid flow path through which the hydraulic medium circulates, and the stability of the hydraulic plate 100 is the key to the stable leveling of the foot of the entire household appliance.
  • the mounting plane of the embodiment is formed by the upper end of the sheath 200, which increases the mounting contact surface of the sheath 200 and the hydraulic plate 100, and is more advantageous for the hydraulic plate 100 to transmit force to the mounting plane of the sheath 200. Stability and dispersion.
  • the mounting plane of the sheath 200 is attached and fixedly connected to the hydraulic plate 100, thereby avoiding designing the mounting structure on the sheath 200 or the hydraulic plate 100, and reducing the overall structure of the foot for the household appliance.
  • the outer contour of the mounting plane described in this embodiment is matched with the outer contour of the hydraulic plate 100, and the mounting plane is attached and fixedly connected to the bottom surface of the hydraulic plate 100. In this way, the pressure received by the hydraulic plate 100 can be better transmitted to the mounting plane of the sheath 200, and the stress concentration of the hydraulic plate 100 is prevented from being partially affected by the installation plane, which is more conducive to the stable circulation of the hydraulic medium in the hydraulic plate.
  • the outer profile of the hydraulic plate 100 of the present embodiment is similar or identical to the outer contour of the mounting plane. In this way, the two can be matched, and the installation is simpler and more convenient.
  • the sheath 200 of the embodiment includes an inner hollow sleeve portion, and one end of the adjustment leg 300 is sleeved in the sleeve portion and can move relative to the axial direction; the upper end of the sleeve portion is outwardly turned to form
  • the mounting plane is attached to the bottom surface of the hydraulic plate 100 and fixedly connected.
  • the mounting plane of the present embodiment is formed by the outer end of the sleeve portion being outwardly turned, and the axial movement of the adjusting foot 300 within the sheath 200 is increased, and only the area at the mounting plane is increased, instead of the overall enlargement of the sheath 200. Save material and reduce costs.
  • the hydraulic plate 100 of the embodiment has a square flat plate structure
  • the sleeve portion has a cylindrical structure
  • the upper end of the cylindrical structure is outwardly turned to form a square mounting plane matching the hydraulic plate.
  • the square flat structure is attached to the square mounting plane and fixedly connected.
  • At least one second mounting structure 104 is disposed on each of the four corners of the hydraulic plate of the present embodiment; at least one side of each mounting structure is provided with a first mounting structure 103;
  • a first mounting hole is disposed on each of the four corners of the hydraulic plate 100, and a second mounting hole is respectively disposed on each side of each of the first mounting holes.
  • the sheath 200 and the hydraulic plate 100 of the embodiment may be fixedly connected by snapping, bonding, or hot-melting, or welding, and then fixedly mounted on the same.
  • the bottom of the household appliance may be fixedly connected by snapping, bonding, or hot-melting, or welding, and then fixedly mounted on the same.
  • the hydraulic plate 100 of the embodiment is made of plastic injection molding or metal die casting
  • the sheath 200 is made of plastic injection molding or metal material die casting.
  • the hydraulic plate 100 is integrally molded by plastic, and the sheath 200 is made of metal die-casting. Since the sheath 300 is subjected to a large force, the metal die-casting is used to ensure the strength, so that the footrest for the household appliance of the present embodiment is lower in manufacturing cost and can ensure the overall strength.
  • Part of the gravity of the household appliance is applied to the hydraulic plate 100 through the bottom plate F1.
  • the plane of the hydraulic plate 100 can transmit the force to the mounting plane of the sheath 200.
  • the inside of the hydraulic plate 100 is transmitted to the adjusting foot 300 by hydraulic pressure, and the adjusting foot 300 is also the same.
  • Such a design allows the hydraulic plate 100 to withstand the pressure of the internal liquid flow path, the partial gravity of the washing machine, and the supporting force of the adjusting foot 300, but is transmitted to the mounting plane of the sheath 200, the adjusting foot 300, and the bottom plate of the household appliance.
  • the footrest for a household appliance of the present embodiment further includes a flexible receiving body 500 having a receiving chamber therein, the hydraulic medium being housed in the flexible receiving body 500; the hydraulic pressure
  • a third mounting structure 105 for sealingly mounting the flexible receiving body 500 is provided on the board 100.
  • the hydraulic plate 100 is internally provided with a liquid flow path, and the flexible receiving body 500 has an opening portion 502, and the opening portion of the flexible receiving body 500 is fixedly mounted on the bottom surface of the hydraulic plate 100 and the liquid through the pressure ring 600.
  • the flow path is connected; the third mounting structure 105 is a third mounting hole, and the pressure ring 600 is assembled on the third mounting hole through the third connecting member.
  • the third mounting hole described in this embodiment is disposed in the middle of the hydraulic plate 100, and the third mounting hole includes at least four, respectively corresponding to the four corners of the hydraulic plate 100.
  • the opening portion 502 of the flexible container 500 of the present embodiment is fixedly mounted on the bottom surface of the hydraulic plate 100 through the pressure ring 600, and the pressure ring 600 and the hydraulic plate 100 jointly press the opening portion.
  • the deformation is sealed.
  • the pressure of the opening portion is pressed by the pressure ring 600 to seal, which is simpler and more convenient, and the sealing effect is good.
  • the pressure ring 600 is sleeved on the opening portion 502 of the flexible receiving body 500, and the pressure ring 600 and the hydraulic plate 100 co-extrude the opening portion to be sealed.
  • the small diameter portion can be firstly sleeved on the pressure ring 600, and only the pressure ring 600 needs to be fixedly mounted.
  • the pressure ring 600 can press the opening portion. Achieve a sealed installation.
  • the bottom surface of the hydraulic plate 100 is provided with a hydraulic plate groove 107, and the opening of the flexible receiving body 500 is pressed and deformed into the hydraulic plate groove 107 by the pressure ring 600 to be sealed. .
  • the sealing portion of the flexible receiving body 500 is squeezed and deformed into the hydraulic plate groove 107 by the fastening ring 600 to achieve sealing, and the structure is simple and the sealing is reliable and effective.
  • the volume enclosed by the hydraulic plate groove 107 and the pressure ring 600 is smaller than the volume of the opening of the flexible receiving body 500.
  • the opening portion of the flexible containing body 500 can be brought into close contact with the hydraulic plate groove 107, ensuring the sealing property.
  • the pressure ring 600 of the present embodiment is fixed to the hydraulic plate 100 by a fixing device, and can be fixedly connected by bolts/screws.
  • the pressure ring 600 defines a pressure ring mounting hole, and the bolt/screw is fastened to the third mounting hole of the hydraulic plate 100 through the pressure ring mounting hole.
  • the flexible accommodating body 500 of the present embodiment includes a accommodating body 501.
  • the accommodating body 501 has a flexible bladder structure and has a retractable corrugated structure.
  • the corrugated structure is disposed in the adjusting leg 300, and the adjusting foot is driven by the flow of the hydraulic medium. 300 is axially moved within the sheath 200 for leveling.
  • the footer for the household appliance of the embodiment further includes a protection member 700 for protecting the flexible container 500, and the pressure ring 600 is embedded in the protection ring 700, which has the following technical effects:
  • the pressure ring 600 and the guard ring 700 of the embodiment are embedded and installed, which can play a limit function, avoid setting a complicated limit structure, and is simple and stable.
  • the footrest for the household appliance of the present embodiment is under great impact pressure (for example, when the household appliance or article using the foot of the household appliance is installed and dropped suddenly or lifted suddenly), the protection ring 700 and the flexible accommodation
  • the body 500 presses the bonding surface without any gap, and avoids problems such as expansion and breakage of the flexible container 500, thereby improving reliability.
  • the flush mounting between the pressure ring 600 and the guard ring 700 of the embodiment reduces the installation height of the pressure ring 600 and the protection ring 700, thereby reducing the overall height of the foot of the household appliance and installing on the household appliance. It has less influence on its overall center of gravity, which is more conducive to the support stability of household appliances, and has better shock absorption effect on vibrations during the working process of household appliances (such as dehydration vibration of washing machine).
  • one end of the guard ring 700 is provided with a protective curved surface, and the protective curved surface cooperates with the outer surface of the flexible receiving body 500 to prevent the flexible receiving body 500 from being damaged by pressure.
  • the other end of the guard ring 700 of the present embodiment is provided with an insertion groove, and the pressure ring 600 is embedded in the insertion groove of the protection ring 700.
  • the inner wall of the insertion groove of the guard ring 700 is provided with a limiting convex portion
  • the fixing member is provided with a limiting concave portion that cooperates with the limiting convex portion.
  • the limiting structure of the embodiment is designed according to the embedded installation of the pressure ring 600 and the protection ring 700, and the limiting movement is realized at the same time of the embedded installation, and the structure is simple, stable and reliable.
  • the depth of the insertion groove of this embodiment is greater than the thickness of the pressure ring 600, so that the pressure ring 600 can be completely embedded in the insertion groove to minimize the installation height to reduce the overall height of the foot of the household appliance.
  • the flexible receiving body 500 is subjected to different pressures, the hydraulic medium flows, and the flexible receiving body 500 telescopically drives the adjusting foot 300 to axially move in the sheath 200 for leveling, and the flexible receiving body 500
  • the telescoping inevitable action and protection ring 700, the guard ring 700 moves axially under the embedding of the embedding groove and the pressure ring 600.
  • the outer circumference of the protective ring 700 completely wraps the pressure ring 600, and only the guard ring 700 is pressed into the adjusting leg 300, which greatly improves the reliability and the stability of the fitting. Therefore, after the guard ring 700 of the embodiment is pressed into the adjusting leg 300, the axial movement of the adjusting leg 300 is stabilized, and the movement is smooth and reliable, and the foot of the whole household appliance is more stable, and the protection ring 700 and the pressure are stabilized. Both rings 600 can also have a certain amount of activity up and down.
  • the sheath 200 and/or the adjusting foot 300 of the footrest for household appliances of the present embodiment are provided with a guiding limit mechanism for restricting the circumferential rotation of the adjusting foot 300 relative to the sheath 200, and the corresponding guiding limit mechanism is arranged on the hydraulic plate 100. Avoid the mouth 106.
  • the footrest for the household appliance of the embodiment is simple and reliable for automatically leveling the household appliance by using the hydraulic principle. Since the adjusting foot 300 can be disposed in the sheath 200 with respect to its axial movement, the adjustment of the household appliance is limited to the up and down direction. Therefore, in order to ensure the stability of the leveling, it is necessary to limit the rotation of the adjustment foot 300 relative to the sheath 200. Therefore, the guide limiting mechanism of the present embodiment is used to define the adjustment of the adjustment foot 300 relative to the sheath 200 in the desired direction.
  • the footrest of the household appliance of the present embodiment should reduce its overall height as much as possible to reduce the center of gravity of the household appliance. Therefore, in the embodiment, the relief port 106 is disposed on the hydraulic plate 100 corresponding to the guiding limit mechanism, and the axial movement of the adjusting leg 300 is not affected while the guiding limit mechanism is set, thereby reducing the overall height of the foot of the household appliance. To improve its shock absorption stability.
  • the guiding and limiting mechanism comprises a guiding limiting groove/guide limiting convex portion disposed on the inner wall of the sheath and a guiding limiting convex portion/guide limiting groove correspondingly disposed on the outer wall of the adjusting foot;
  • the guiding limiting protrusion can be relatively slidably disposed in the guiding limiting groove to limit the circumferential rotation of the adjusting foot relative to the sheath.
  • the axial movement of the adjusting foot 300 can be defined by the cooperation of the guiding limiting groove and the guiding limit convex portion, and the structure is simple and reliable.
  • the escape port 106 of the embodiment corresponds to the guide limit protrusion/guide limit groove on the adjustment leg 300, and the adjustment leg 300 moves toward the hydraulic plate 100, and the guide limit convex portion/guide limit on the adjustment foot 300 is adjusted. One end of the groove enters the escape port 106.
  • the axial movement of the adjusting foot 300 is not required, and only the guiding position limiting convex groove/guide limiting groove setting on the adjusting foot 300 is required, regardless of the mechanism of the guiding limiting mechanism. Under the premise of not changing the adjustment height, the overall height of the foot of the household appliance is lowered and the stability of the guide limit is ensured.
  • the inner wall of the sheath 200 is provided with a guiding limit groove 201 along the axial direction thereof, and the outer wall of the adjusting leg 300 is provided with a guiding limit convex portion, and the guiding The limiting protrusion is slidably disposed in the guiding limiting groove to limit the circumferential rotation of the adjusting foot 300 relative to the sheath 200.
  • the relief port 106 of the embodiment is disposed on the hydraulic plate 100 corresponding to the guiding limit convex portion, and the adjusting leg 300 moves axially up and down in the sheath 200, and the one end of the limiting convex portion enters/exits the escape port 106. .
  • the footrest for the household appliance of the present embodiment can have a larger adjustment height at the same overall height due to the one end of the guide protrusion convex portion entering/exiting the escape port 106; at the same height adjustment,
  • the footer for household appliances of the embodiment may have a smaller overall height.
  • the guiding limiting protrusion includes a first guiding limiting block 302 and a second guiding limiting block 301, and the first guiding limiting block 302 is fixed on the outer wall of the adjusting foot 300.
  • the second guiding stop block 301 is fixed on the first guiding limiting block 302 and extends to a certain height toward the hydraulic plate 100.
  • the first guiding limit block 302 of the embodiment mainly serves to guide the limit in the guiding limit groove 201, and the second guiding limit block 301 is equivalent to extending the first guiding limit block 302, which has more Good guidance limit stability.
  • the guiding and limiting mechanism includes a plurality of, respectively distributed along the circumferential direction of the sheath 200 and/or the adjusting foot 300, and the corresponding guiding position mechanism on the hydraulic plate 100 A plurality of avoidance ports 106 are provided. In this way, a plurality of guiding limit mechanisms are arranged, which further increases the stability of the limit and has a better guiding limit effect.
  • a certain number of guiding limit grooves 201 are disposed on the circumference of the sheath 200, and the number is N, N ⁇ 1.
  • Preferred in the drawings of the present invention are four.
  • a corresponding guide limit convex portion is also disposed on the circumference of the adjustment foot 300, and the number is N, N ⁇ 1.
  • Preferred in the drawings of the present invention are four.
  • the guiding limit protrusion can be moved in the guiding limit groove and is restrained by the stopping end portion 202 of the bottom of the guiding limiting groove 201 to prevent the adjusting foot 300 from falling out of the sheath 200.
  • the height of the sheath 200 and the adjusting foot 300 can be reduced as much as possible without reducing the height H0 of the adjustment, in particular, The coincidence department.
  • the hydraulic plate 100 of the footrest for household appliances of the present embodiment has a hydraulic nozzle 101, and the hydraulic nozzle 101 communicates with the internal liquid flow path, and the feet of the two household appliances are respectively connected to the hydraulic nozzle 101 through hydraulic pipes, thereby realizing The two household appliances are connected by the foot, and the hydraulic medium can be circulated between the footrests of the household appliances that are connected to each other.
  • the hydraulic plate of the present embodiment has a bump 102 having an increased thickness, and the hydraulic nozzle 101 is disposed on the unloading block 102 to increase the diameter of the hydraulic nozzle 101, thereby increasing the overall strength thereof.
  • the present embodiment further provides a household appliance having a foot for a household appliance according to any of the above embodiments, comprising a housing, wherein a plurality of the bottoms of the household appliance are mounted on a bottom of the housing, and the bottom of the household appliance
  • the hydraulic medium filled inside the foot can be circulated and leveled between the feet of the household appliance.
  • At least two household appliances are communicated by the communication means through the communication means to realize the circulation of the hydraulic medium between the feet of the household appliance.
  • the washing machine is taken as an example to explain the principle and method for automatically adjusting the washing machine by the foot of the household appliance.
  • the level of the feet of different household appliances is different due to the uneven ground.
  • the household appliances located at the ground pits have a low bottom position. It can be known that the foot of the household appliance with the high position first bears the weight of the washing machine, and the gravity is large, and the position of the household appliance is low due to the virtual leg or the weight of the foot.
  • the adjustment foot of the footrest of the household appliance is moved up under a large pressure, and the height of the entire foot is reduced, so that the volume compression of the hollow chamber of the flexible container filled with the hydraulic medium is reduced, forcing the hydraulic medium to enter the section.
  • the orifice or the valve hole enters the bottom of the household appliance through the high-pressure pipe, so that the hydraulic medium in the flexible housing of the household appliance with the lower position is more and more, so that the flexible container expands and pushes the adjustment foot to extend .
  • the hydraulic medium of the embodiment can be selected to adopt hydraulic oil, which has good fluidity and stable composition.
  • footrest for a household appliance can also be applied to household appliances such as a refrigerator, a refrigerator, an air conditioner indoor unit, and the like other than the washing machine.

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Abstract

一种家用电器用底脚及家用电器，家用电器用底脚包括：液压板（100）；与液压板（100）固定连接的护套（200）；调整脚（300），设置在护套（200）内且可相对其轴向移动，具有一与支撑面相支撑接触的支撑端部；液压板（100）、护套（200）和调整脚（300）之间形成容纳腔室；液压介质，密封容置于容纳腔室内，在压力作用下，液压介质压缩或膨胀，带动调整脚（300）在护套（200）内轴向移动进行调平；阻尼垫片（400），嵌入安装在调整脚（300）的支撑端部上，以增大调整脚（300）与支撑面的支撑阻尼力。

Description

一种家用电器用底脚及家用电器 技术领域
本发明涉及家用电器的支撑调平技术领域，具体地，涉及一种家用电器底脚及家用电器。
背景技术
家用电器，一般在壳体的底部都设置调平装置，在放置家用电器时，通过调节调平装置可使其达到稳定放置状态，调平后放置后，调平装置可支撑家用电器使其保持稳定。
以洗衣机为例，现有洗衣机一般都是在壳体或者整机底部安装有螺栓底脚，螺栓底脚包括螺杆、螺母垫片和橡胶垫，螺母垫片可以在螺杆上下旋动，螺杆也可以在壳体底板的螺孔中上下旋动，通过螺栓底脚的螺杆旋入底板的螺纹孔的长度来实现洗衣机的高度调整，大部分洗衣机的底脚逆时针旋转为调高，顺时针旋转为降低高度，在调整该螺栓底脚的高度后，将防止松动的螺母垫片拧紧以保持稳固。
上述洗衣机的底脚，虽然实现了洗衣机的调平，但需要用户进行手动调节，若洗衣机自重较大或者设置空间狭小，用户操作即为不便。另外，洗衣机在长期的工作过程中的震动也对调平底脚产生作用，易导致其支撑失效，造成洗衣机放置的不平。
例如，现有8KG滚筒洗衣机一般80Kg左右，较为沉重，消费者调节极为不便，即便完成调节也不能保证洗衣机调整为最佳状态，洗衣机在洗涤尤其是由0r/min加速到1400r/min左右进行甩干脱水时，洗衣机一旦不水平或者虚腿问题存在，将导致极大振动，极大的影响了消费者的使用舒适性。
另外，洗衣机不平导致的震动可能会使底脚螺丝松动，使底脚托架垂直移动，这种不稳定性可能会改变洗衣机的水平状态，导致产生更强烈的震动。这种恶性循环使得洗衣机用的时间长了，噪音会变得越来越大，对洗衣机本身也造成一定的损伤，缩短了使用寿命。
因此，现有洗衣机的调平存在需要手工调节，费时费力且精度较差的问题。
有鉴于此，特提出本发明。
发明内容
为了解决上述问题，本发明的第一发明目的是提供一种家用电器用底脚，具体地，采用如下的技术方案：
一种家用电器用底脚，包括：
液压板；
护套，与所述液压板固定连接；
调整脚，设置在护套内且可相对其轴向移动，具有一与支撑面相支撑接触的支撑端部；
所述的液压板、护套和调整脚之间形成容纳腔室；
液压介质，密封容置于容纳腔室内，在压力作用下，液压介质压缩/膨胀，带动调整脚在护套内轴向移动进行调平；
以及阻尼垫片，嵌入安装在调整脚的支撑端部上，以增大调整脚与支撑面的支撑阻尼力。
进一步地，所述调整脚的一端设置在护套内且可相对其轴向移动，另一端为支撑端部；所述的支撑端部上设置安装槽，所述的阻尼垫片嵌入安装在安装槽内。
进一步地，所述的安装槽包括内凹于支撑端部的第一安装凹槽，所述的阻尼垫片上具有凸出于上表面的第一凸起部，所述第一凸起部嵌入第一安装凹槽内。
进一步地，所述的安装槽还包括内凹于支撑端部的第二安装凹槽，所述的第二安装凹槽的深度大于第一安装凹槽的的深度；所述的阻尼垫片上具有凸出于上表面的第二凸起部，第二凸起部的凸起高度大于第一凸起部；所述第一凸起部对应嵌入第一安装凹槽内，第二凸起部对应嵌入第二安装凹槽内。
进一步地，所述的第一安装凹槽为以支撑端部的中心为中心的环形凹槽，所述的第一凸起部为凸出于阻尼垫片上表面并以阻尼垫片的中心为中心的环形凸阶，环形凸阶与环形凹槽相匹配；所述的第二安装凹槽为设置在支撑端部的中心的圆形凹槽，所述的第二凸起部为凸出于阻尼垫片上表面并位于阻尼垫片的中心的凸柱结构，凸柱结构嵌入圆形凹槽内。
进一步地，所述的第一安装凹槽由支撑端部的底壁中部低于边缘设置形成，所述的第二安装凹槽由支撑端部的底壁中心位置朝向调整脚内部凹陷形成。
进一步地，还包括内部具有空腔的柔性容纳体，所述液压介质容置在柔性容纳体的空腔内，所述的柔性容纳体具有一开口部，密封安装在液压板上，液压板内部具有与柔性容纳体内部腔室相连通的液体流道；
随着压力的改变，柔性容纳体内的液压介质压缩/膨胀，液压介质在柔性容纳体与液体流道间流通，带动调整脚在护套内轴向移动进行调平；
所述的柔性容纳体上对应调整脚的第二安装凹槽设置避让部。
进一步地，所述的柔性容纳体包括可伸缩的容纳本体，所述的开口部为与容纳本体相连通的细径结构，所述的容纳本体设置在调整脚内部，所述容纳本体上与支撑端部的内壁相接触的一端对应第二安装凹槽局部内凹形成避让部。
进一步地，所述液压板的一端端面上设置安装凸柱，所述柔性容纳体的开口部包覆住安装凸柱并密封安装在液压板上，安装凸柱的端部设置凹槽。
本发明的第二发明目的是提供一种具有如上述任意一项所述家用电器用底脚的家用电器。
本发明的家用电器用底脚根据液压原理，由于不平产生的不同压力，液压介质的流动性使得底脚自 动进行适应性的调整，直到家用电器用底脚达到平衡，液压介质停止流通，实现自动调平。
本发明的家用电器用底脚，阻尼垫片与调整脚之间嵌入式安装，嵌入安装结构合理设置，不影响家用电器用底脚的调整脚的高度，合理利用内部空间，实现阻尼垫片与调整脚的连接强度极大提高，避免阻尼垫片脱落的可能。
附图说明
图1本发明实施例家用电器用底脚的立体结构示意图一；
图2本发明实施例家用电器用底脚的立体结构示意图二；
图3本发明实施例家用电器用底脚的俯视图；
图4本发明实施例家用电器用底脚沿图3中A-A面的剖视图(伸长状态)；
图5本发明实施例家用电器用底脚沿图3中A-A面的剖视图(压缩状态)。
具体实施方式
下面结合附图对本发明的一种家用电器底脚及家用电器进行详细描述：
实施例一
如图1-图5所示，本实施例的一种家用电器用底脚，包括：
液压板100；
护套200，与所述液压板100固定连接；
调整脚300，设置在护套200内且可相对其轴向移动，具有一与支撑面相支撑接触的支撑端部；
所述的液压板100、护套200和调整脚300之间形成容纳腔室；
液压介质，密封容置于容纳腔室内，在压力作用下，液压介质压缩/膨胀，带动调整脚300在护套200内轴向移动进行调平；
以及阻尼垫片400，嵌入安装在调整脚300的支撑端部上，以增大调整脚300与支撑面的支撑阻尼力。
本实施例的家用电器用底脚根据液压原理，由于不平产生的不同压力，液压介质的流动性使得调整脚300自动进行适应性的调整，直到家用电器用底脚达到平衡，液压介质停止流通，实现自动调平。
本实施例的阻尼垫片400嵌入安装在调整脚300的支撑端部上，增加了家用电器用底脚与支撑面的阻尼力，具有更好的“防滑”作用，确保其支撑稳定性。
另外，由于阻尼垫片400受到横向作用力，在一定时间以后，若阻尼垫片400与调整脚300之间的连接不够坚固时容易脱落，因此，本实施例的阻尼垫片400采用嵌入式安装的方式大大增加了阻尼垫片与调整脚300之间的连接紧密性，避免其脱落。
具体地，本实施例所述调整脚300的一端设置在护套200内且可相对其轴向移动，另一端为支撑端部；所述的支撑端部上设置安装槽，所述的阻尼垫片400嵌入安装在安装槽内。本实施例将阻尼垫片400嵌入安装在调整脚300的安装槽内，这样，在阻尼垫片400受到横向作用力时，阻尼垫片400受到安装槽的横向限位阻挡，避免阻尼垫片400在横向作用力下与调整脚300发生横向位移而脱落。
作为本实施例的一种实施方式，所述的安装槽包括内凹于支撑端部的第一安装凹槽304，所述的阻尼垫片400上具有凸出于上表面的第一凸起部402，所述第一凸起部402嵌入第一安装凹槽304内。
进一步地，所述的安装槽还包括内凹于支撑端部的第二安装凹槽306，所述的第二安装凹槽306的深度大于第一安装凹槽304的深度；所述的阻尼垫片400上具有凸出于上表面的第二凸起部403，第二凸起部403的凸起高度大于第一凸起部402；所述第一凸起部402对应嵌入第一安装凹槽304内，第二凸起部403对应嵌入第二安装凹槽306内。
本实施例的安装凹槽包括深度不同的第一安装凹槽304和第二安装凹槽306，而与之对应的阻尼垫片400上具有高度不同的第一凸起部402和第二凸起部403，这样，将阻尼垫片400对应嵌入调整脚300的安装槽内进行定位安装，且不同深度的安装凹槽和不同高度的凸起部使得阻尼垫片400的嵌入式安装更为紧密，且能抵抗更大的横向作用力。
具体地，本实施例所述的第一安装凹槽304为以支撑端部的中心为中心的环形凹槽，所述的第一凸起部402为凸出于阻尼垫片400上表面并以阻尼垫片400的中心为中心的环形凸阶，环形凸阶与环形凹槽相匹配；所述的第二安装凹槽306为设置在支撑端部的中心的圆形凹槽，所述的第二凸起部403为凸出于阻尼垫片400上表面并位于阻尼垫片400的中心的凸柱结构，凸柱结构嵌入圆形凹槽内。
本实施例的环形凸阶与环形凹槽的嵌入式安装可以抵抗阻尼垫片受到的一般横向作用力，而凸柱结构与圆形凹槽的嵌入式安装可以抵抗阻尼垫片受到的较大横向冲击力，因此，本实施例的阻尼垫片400与调整脚300的嵌入式安装方式可以抵抗更大范围的横向作用力，避免阻尼垫片300在横向作用力下横向移动而脱落。
进一步地，本实施例所述的第一安装凹槽304由支撑端部的底壁中部低于边缘设置形成，所述的第二安装凹槽306由支撑端部的底壁中心位置朝向调整脚内部凹陷形成。
本实施例的一种家用电器用底脚，还包括内部具有空腔的柔性容纳体500，所述液压介质容置在柔性容纳体500的空腔内，所述的柔性容纳体500具有一开口部502，密封安装在液压板100上，液压板100内部具有与柔性容纳体500内部腔室相连通的液体流道；
随着压力的改变，柔性容纳体500内的液压介质压缩/膨胀，液压介质在柔性容纳体500与液体流道间流通，带动调整脚300在护套200内轴向移动进行调平；
所述的柔性容纳体500上对应调整脚300的第二安装凹槽306设置避让部503。
由于第二安装凹槽306由支撑端部的底壁中心位置朝向调整脚内部凹陷形成，与之相应的，调整脚的内部底壁上形成一柱状凸起305，避让部503实则是对应柱状凸起305设置，为避让柱状凸起305而设。
进一步地，所述的柔性容纳体500包括可伸缩的容纳本体501，所述的开口部502为与容纳本体501相连通的细径结构，所述的容纳本体501设置在调整脚300内部，所述容纳本体501上与支撑端部的内壁相接触的一端对应第二安装凹槽306局部内凹形成避让部503。
本实施例的阻尼垫片400与支撑面相接触的一面上设置阻尼筋401，以增加阻尼作用，提高对支撑面的摩擦力，增强稳定性。本实施例的阻尼垫片400可以采用橡胶垫片等。
另外，本实施例所述液压板100的一端端面上设置安装凸柱，所述柔性容纳体500的开口部502包覆住安装凸柱并密封安装在液压板100上，安装凸柱的端部设置凹槽108。
本实施例的阻尼垫片400与调整脚的连接方式可以是模内注塑，粘合等，连接方式简单，且连接稳定性较强，避免其脱落。
本实施例的阻尼垫片400与调整脚300之间嵌入式安装，嵌入安装结构合理设置，不影响家用电器用底脚的调整脚300的高度，合理利用内部空间，实现阻尼垫片400与调整脚300的连接强度极大提高，避免阻尼垫片脱落的可能。
实施例二
如图1-图5所示，本实施例的一种家用电器用底脚，包括：
液压板100；
护套200，与所述液压板100固定连接；
调整脚300，设置在护套200内且可相对其轴向移动；
所述的液压板100、护套200和调整脚300之间形成容纳腔室；
液压介质，设置于所述容纳腔室内，随着压力的改变，所述液压介质压缩/膨胀带动调整脚300在护套200内轴向移动进行调平。
本实施例的家用电器用底脚根据液压原理，由于不平产生的不同压力，液压介质的流动性使得调整脚自动进行适应性的调整，直到家用电器用底脚达到平衡，液压介质停止领导，实现自动调平。
本实施例的一种家用电器用底脚，所述液压板100上设有用于与家用电器的底板固定连接的第一安装结构103；所述的液压板100上设有用于与护套200固定连接的第二安装结构104。
本实施例将调整脚300可轴向移动的套设在护套200内，再通过第二安装结构104将液压板100与护套200固定连接，以实现家用电器用底脚的独立组装。将组装完成后的家用电器用底脚再通过第一安装结构103整体安装在家用电器的底板上，实现家用电器用底脚安装在家用电器上。
本实施例通过第二安装结构104实现家用电器底脚的组装，而通过第一安装结构103实现家用电器用底脚安装在家用电器上，通过不同的安装结构实现相应的安装，确保家用电器用底脚的整体稳定性，以及安装在家用电器上的稳定性。
本实施例的家用电器底脚直接将液压板100固定在家用电器的底部，而将护套200与液压板100固定连接，这样，液压板100由家用电器的底部与护套200包夹，使得液压板100与护套200的固定连接的强度是非必要的，二者的连接主要目的使之成为一体的底脚，连接处的强度与家用电器的重力大小、调整脚300的支撑力大小无关。因此，本发明的家用电器用底脚可以实现液压板100与护套200的快速可靠固定连接，且降低二者连接强度的要求，进一步的降低连接所需的必要空间及高度。
综上所述，本实施例的家用电器用底脚结构更加简单，安装也更为简便，具有更好的稳定性。
另外，本实施例的家用电器用底脚的结构设计还可以降低其整体高度，对于家用电器具有更好的减震效果，例如洗衣机，本发明的家用电器用底脚对于洗衣机的脱水震动具有更好的减震效果。
作为本实施例的一种优选实施方式，所述的第一安装结构103为设置在液压板上的第一安装孔，所述的液压板100通过第一连接件穿过第一安装孔固定连接在家用电器的底板上。
具体地，本实施例所述的第一安装孔为螺孔，所述的第一连接件为螺钉，所述家用电器的底板上设置用于螺钉穿过的安装孔，所述的螺钉穿过底板上的安装孔安装在液压板100上的螺孔上，实现固定安装。
具体地，本实施例所述的第二安装结构104为第二安装孔，所述的液压板通过第二连接件穿过第二安装孔与护套固定连接。
进一步地，本实施例所述护套200的上端向外翻边形成安装平面，安装平面与液压板100的底面贴合并固定连接；所述的安装平面上开设对应第二安装孔的第四安装孔。
本实施例将护套200的安装平面与液压板100相贴合，这样可以使得更多的压力传递到安装平面上被分散，避免液压板100受压力过大，因为液压板100内部具有用于液压介质流通的液体流道，液压板100的稳定是整个家用电器用底脚稳定调平的关键。本实施例的安装平面由护套200的上端向外翻边形成，这样增大了护套200与液压板100的安装接触面，更有利于液压板100向护套200的安装平面传力的稳定性和分散性。
另外，护套200的安装平面与液压板100相贴合固定连接，避免了在护套200或者液压板100上设计安装结构，降低家用电器用底脚的整体结构。
进一步地，本实施例所述的安装平面的外廓与液压板100的外廓相匹配，所述安装平面与液压板100的底面贴合并固定连接。这样，液压板100受到的压力可更好的对应传递给护套200的安装平面上，避免液压板100局部不受安装平面作用而发生应力集中，更利于液压介质在液压板内的稳定流通。
优选地，本实施例所述液压板100的外廓与安装平面的外廓相似或者相同。这样，将两者相对应即可，安装更为简单方便。
具体地，本实施例所述的护套200包括内部中空的套筒部，调整脚300的一端套设在套筒部内且可相对轴向移动；所述套筒部的上端向外翻边形成安装平面，安装平面与液压板100的底面贴合并固定连接。本实施例的安装平面由套筒部的上端外翻形成，对调整脚300在护套200内的轴向移动，且只增大安装平面处的面积，而非是护套200的整体放大，节省了材料，降低了成本。
进一步地，本实施例所述的液压板100为方形平板结构，所述的套筒部为圆筒状结构，圆筒状结构的上端向外翻边形成与液压板相匹配的方形安装平面，所述方形平板结构与方形安装平面相贴合并固定连接。
具体地，本实施例所述液压板的四个角上分别设置至少一个第二安装结构104；每个安装结构的至少一侧设置一个第一安装结构103；
优选地，所述液压板100的四个角上分别设置一个第一安装孔，每个第一安装孔的两侧分别设置第二安装孔。
作为本实施例的一种安装方式，本实施例所述的护套200与液压板100之间还可以通过卡接、或者粘接、或者热熔、或者焊接方式固定连接，然后在固定安装在家用电器的底部。
本实施例的液压板100采用塑料一体注塑或者金属压铸制成，所述的护套200采用塑料一体注塑或者金属材料压铸制成。
根据本实施例家用电器用底脚的受力特点，优选地，所述的液压板100采用塑料一体注塑制成，所述的护套200采用金属压铸制成。由于护套300受力较大，因此采用金属压铸以保证强度，这样，本实施例的家用电器用底脚制造成本更低，且能保证其整体强度。
家用电器的部分重力通过底板施加在液压板100上F1，液压板100的平面可以将所受力传递给护套200的安装平面，液压板100内部通过液压传递给调整脚300，调整脚300同样受到支撑面的支撑力F2，F1＝F2，调整脚300的力传递给液压板100的平面，液压板100再传给家用电器的底板。这样的设计使得液压板100虽然承受内部液体流道的压力、洗衣机的部分重力以及调整脚300的支撑力，但都传递给了护套200的安装平面、调整脚300及家用电器的底板。
作为本实施例的一种优选实施方式，本实施例的家用电器用底脚还包括内部具有容纳腔室的柔性容纳体500，所述的液压介质容置在柔性容纳体500内；所述液压板100上设有用于密封安装柔性容纳体500的第三安装结构105。
具体地，所述液压板100内部设有液体流道，所述柔性容纳体500具有开口部502，所述柔性容纳体500的开口部通过压环600固定安装在液压板100的底面上与液体流道连通；所述的第三安装结构105 为第三安装孔，所述的压环600通过第三连接件装配在第三安装孔上。
进一步地，本实施例所述的第三安装孔设置在液压板100的中部，所述的第三安装孔至少包括四个，分别对应液压板100的四个角设置。
作为本实施例的一种优选实施方式，本实施例所述柔性容纳体500的开口部502通过压环600固定安装在液压板100的底面上，压环600与液压板100共同挤压开口部形变进行密封。本实施例通过压环600挤压开口部形变进行密封，更加简单方便，且密封效果好。
进一步地，所述的压环600套设在柔性容纳体500的开口部502上，压环600与液压板100共同挤压开口部形变进行密封。本实施例在进行柔性容纳体500的密封安装时可先将细径部卡套在压环600，只需要固定安装压环600，在紧固的过程中，压环600挤压开口部即可实现密封安装。
作为本实施例的一种实施方式，所述液压板100的底面设置液压板凹槽107，所述柔性容纳体500的开口部通过压环600挤压形变填充进液压板凹槽107内进行密封。这种方式，在紧固压环600将柔性容纳体500的开口部挤压形变填充进液压板凹槽107内即可实现密封，结构简单，密封可靠有效。
优选地，所述液压板凹槽107与压环600围合的容积小于柔性容纳体500的开口部的体积。这样，可使得柔性容纳体500的开口部与液压板凹槽107紧密接触，确保密封性。
本实施例的压环600通过固定装置固定在液压板100上，具体可通过螺栓/螺钉进行固定连接。所述的压环600开设压环安装孔，所述螺栓/螺钉穿过压环安装孔紧固在液压板100的第三安装孔上。
本实施例的柔性容纳体500包括容纳本体501，容纳本体501为软性囊状结构，具有的可伸缩的波纹结构，波纹结构设置于调整脚300内，随着液压介质的流动伸缩带动调整脚300在护套200内轴向移动进行调平。
本实施例的家用电器用底脚还包括用于保护柔性容纳体500的保护件700，所述压环600嵌入保护环700内，这样具有如下的技术效果：
1、本实施例的压环600和保护环700之间采用嵌入式安装，可以起到限位作用，避免设置复杂的限位结构，简单稳定。
2、本实施例的家用电器用底脚在极大的冲击压力下(如安装使用了该家用电器用底脚的家用电器或物品在跌落或者抬起突然放置时)，保护环700与柔性容纳体500施压贴合面无任何间隙，避免柔性容纳体500因此膨胀破裂等问题，提高了可靠性。
3、本实施例的压环600和保护环700之间采用嵌入式安装，降低了压环600和保护环700的安装高度，从而降低了家用电器用底脚的整体高度，安装在家用电器上对其整体重心影响较小，更利于家用电器的支撑稳定性，而对于家用电器工作过程中的震动(如洗衣机的脱水震动)具有更好的减震效果。
作为本实施例的一种优选实施方式，所述保护环700的一端设置保护曲面，保护曲面配合柔性容纳 体500的外部表面以防止柔性容纳体500受压破损。
本实施例的保护环700的另一端设置嵌入槽，所述的压环600嵌入保护环700的嵌入槽内。
作为本实施例的一种优选实施方式，所述保护环700的嵌入槽的内壁上设置限位凸部，所述固定件上设置与限位凸部相配合的限位凹部。本实施例的限位结构根据压环600和保护环700的嵌入式安装进行设计，在嵌入安装的同时即实现了限位运动，结构简单，稳定可靠。
本实施例的嵌入槽的深度大于压环600的厚度，这样压环600可完全嵌入到嵌入槽内，最大限度的降低安装高度，以降低家用电器用底脚的整体高度。同时，在家用电器用底脚在不平状态时，柔性容纳体500受压力不同，液压介质流动，柔性容纳体500伸缩带动调整脚300在护套200内轴向运动进行调平，柔性容纳体500伸缩必然作用与保护环700上，保护环700在嵌入槽与压环600的嵌入限定下轴向移动。
本实施例结构设计保护环700的外圆周完全包裹了所述压环600，只存在保护环700压入调整脚300，极大提高了可靠性和贴合的稳定性。因此，本实施例的保护环700压入调整脚300后，会一直稳定在调整脚300中轴向移动，移动顺滑可靠，二者实现整个家用电器用底脚更稳定，保护环700与压环600二者还可以上下存在一定的活动量。
本实施例家用电器用底脚的护套200和/或调整脚300设置用于限制调整脚300相对护套200周向转动的导向限位机构，所述液压板100上对应导向限位机构设置避让口106。
本实施例的家用电器用底脚利用液压原理对家用电器进行自动调平简单可靠，由于调整脚300可相对其轴向移动设置在护套200内，而对家用电器的调节仅限于上下方向，因此为了保证调平的稳定性，需要限定调整脚300相对护套200的转动。因此，本实施例的导向限位机构用于限定调整脚300相对于护套200沿着需要的方向运动。
由于家用电器(例如洗衣机)工作时一般会产生震动，为了保证家用电器的运行稳定性，本实施例的家用电器用底脚应尽量降低其整体高度以降低家用电器的重心。因此，本实施例在液压板100上对应导向限位机构设置避让口106，在满足导向限位机构设置的同时，不影响调整脚300的轴向移动，可降低家用电器用底脚的整体高度，提高其减震稳定性。具体地，所述的导向限位机构包括设置在护套内壁上的导向限位凹槽/导向限位凸部和对应设置在调整脚外壁上的导向限位凸部/导向限位凹槽；所述的导向限位凸部可相对滑动的设置在导向限位凹槽内以限制调整脚相对护套周向转动。本实施例通过导向限位凹槽与导向限位凸部的配合即可限定调整脚300的轴向移动，结构简单可靠。
本实施例所述避让口106对应调整脚300上的导向限位凸部/导向限位凹槽设置，调整脚300朝向液压板100运动，调整脚300上的导向限位凸部/导向限位凹槽的一端进入避让口106。本实施例针对的调整脚300的轴向移动，不管导向限位机构是何种机构，只需要避让部对应调整脚300上的导向限位凸部/ 导向限位凹槽设置即可，因此在不改变调节高度的前提下，降低家用电器用底脚的整体高度且保证导向限位的稳定性。
作为本实施例的一种优选实施方式，所述护套200的内壁沿其轴向方向设置导向限位凹槽201，所述调整脚300的外壁上设置导向限位凸部，所述的导向限位凸部可相对滑动的设置在导向限位凹槽内以限制调整脚300相对护套200周向转动。
本实施例所述的避让口106设置在液压板100上对应导向限位凸部，所述调整脚300在护套200内上下轴向移动，导向限位凸部的一端进/出避让口106。
因此，本实施例的家用电器用底脚由于导向限位凸部的一端进/出避让口106，这样在同样的整体高度下，可具有更大的调节高度；在同样的调节高度时，本实施例的家用电器用底脚可具有更小的整体高度。
作为本实施例的一种优选实施方式，所述的导向限位凸部包括第一导向限位块302和第二导向限位块301，第一导向限位块302固定在调整脚300的外壁上，第二导向限位块301固定在第一导向限位块302上且朝向液压板100延伸一定高度。本实施例的第一导向限位块302主要起到在导向限位凹槽201内导向限位的作用，而第二导向限位块301相当于延长了第一导向限位块302，具有更好的导向限位稳定性。
作为本实施例的一种优选实施方式，所述的导向限位机构包括多个，分别沿着护套200和/或调整脚300的周向分布，所述液压板100上对应导向限位机构设置多个避让口106。这样设置多个导向限位机构，进一步的增加了限位的稳定性，具有更好的导向限位效果。
本实施例为了实现调整脚300在护套200中的上下运动，防止圆周旋转，护套200圆周上设置了一定数量的导向限位凹槽201，数量为N，N≥1。本发明图例中优选的是4个。
调整脚300圆周上也设置了对应的导向限位凸部，数量为N，N≥1。本发明图例中优选的是4个。导向限位凸部可以在导向限位槽中运动，并由导向限位凹槽201的底部的止挡端部202进行限位，防止调整脚300由护套200中脱落出来。
为尽可能的降低家用电器用底脚高度，实现更好的稳定性，在不降低调节高度H0的情况下，原理上可以尽可能的减少护套200、调整脚300的高度，尤其是减少二者重合部。
本实施例的家用电器用底脚的液压板100上具有液压嘴101，液压嘴101与内部液体流道连通，两个家用电器用底脚通过液压管分别连接在液压嘴101上，即可实现两个家用电器用底脚的连通，液压介质可以在相互连通的家用电器用底脚间进行流通。
进一步地，本实施例的液压板上具有一厚度增大的凸块102，所述的液压嘴101设置在退块102上，以增大液压嘴101的直径，从而增加其整体强度。
实施例三
本实施例同时提供了一种具有如上述任一实施例所述家用电器用底脚的家用电器，包括壳体，壳体的底部安装多个所述的家用电器用底脚，家用电器用底脚内部填充的液压介质可在家用电器用底脚之间流通进行调平。
优选地，至少两个家用电器用底脚通过连通装置连通实现液压介质在家用电器用底脚间的流通。
本发明实施例以洗衣机为例，阐述了本发明家用电器用底脚实现洗衣机自动调平的原理和方法，当洗衣机安装后，由于地面不平，导致不同的家用电器用底脚的水平高度不同，位于地面凹坑处的家用电器用底脚位置低。由此可以知道的是，位置高处家用电器用底脚首先承受洗衣机的重量，并且承受的重力大，位置低家用电器用底脚由于虚腿或者承受的重力小。
位置高处家用电器用底脚的调整脚在大的压力下将上移，整个底脚的高度变小使充满液压介质的柔性容纳体的中空腔室的容积压缩减小，迫使液压介质进入节流孔或者阀孔通过高压管进入位置低处家用电器用底脚内，使位置低处家用电器用底脚的柔性容纳体内的液压介质越来越多，使得柔性容纳体膨胀推动调整脚伸长。
当位置高处底脚和位置低处底脚的液压相同，液压介质不再由高压管流动，调整脚与洗衣机底板的相对位置不再变化，完成洗衣机的自动调整。
在洗衣机洗涤或者甩干的过程中，由于液压介质还可以缓慢流动自调平，洗衣机的震动噪音大大降低。
本实施例的液压介质可以选取采用液压油，流动性好，成分稳定。
另外，本发明上述各实施例的家用电器用底脚还可应用于除洗衣机外的如电冰箱、冷柜、空调室内机等家用电器。
需要说明的是：本发明的上述各实施例可单独实施，也可将多个实施例相结合实施。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种家用电器用底脚，其特征在于，包括：
    液压板；
    护套，与所述液压板固定连接；
    调整脚，设置在护套内且可相对其轴向移动，具有一与支撑面相支撑接触的支撑端部；
    所述的液压板、护套和调整脚之间形成容纳腔室；
    液压介质，密封容置于容纳腔室内，在压力作用下，液压介质压缩/膨胀，带动调整脚在护套内轴向移动进行调平；
    以及阻尼垫片，嵌入安装在调整脚的支撑端部上，以增大调整脚与支撑面的支撑阻尼力。
  2. 根据权利要求1所述的一种家用电器用底脚，其特征在于，所述调整脚的一端设置在护套内且可相对其轴向移动，另一端为支撑端部；所述的支撑端部上设置安装槽，所述的阻尼垫片嵌入安装在安装槽内。
  3. 根据权利要求2所述的一种家用电器用底脚，其特征在于，所述的安装槽包括内凹于支撑端部的第一安装凹槽，所述的阻尼垫片上具有凸出于上表面的第一凸起部，所述第一凸起部嵌入第一安装凹槽内。
  4. 根据权利要求3所述的一种家用电器用底脚，其特征在于，所述的安装槽还包括内凹于支撑端部的第二安装凹槽，所述的第二安装凹槽的深度大于第一安装凹槽的的深度；所述的阻尼垫片上具有凸出于上表面的第二凸起部，第二凸起部的凸起高度大于第一凸起部；所述第一凸起部对应嵌入第一安装凹槽内，第二凸起部对应嵌入第二安装凹槽内。
  5. 根据权利要求4所述的一种家用电器用底脚，其特征在于，所述的第一安装凹槽为以支撑端部的中心为中心的环形凹槽，所述的第一凸起部为凸出于阻尼垫片上表面并以阻尼垫片的中心为中心的环形凸阶，环形凸阶与环形凹槽相匹配；所述的第二安装凹槽为设置在支撑端部的中心的圆形凹槽，所述的第二凸起部为凸出于阻尼垫片上表面并位于阻尼垫片的中心的凸柱结构，凸柱结构嵌入圆形凹槽内。
  6. 根据权利要求4或5所述的一种家用电器用底脚，其特征在于，所述的第一安装凹槽由支撑端部的底壁中部低于边缘设置形成，所述的第二安装凹槽由支撑端部的底壁中心位置朝向调整脚内部凹陷形成。
  7. 根据权利要求6所述的一种家用电器用底脚，其特征在于，还包括内部具有空腔的柔性容纳体，所述液压介质容置在柔性容纳体的空腔内，所述的柔性容纳体具有一开口部，密封安装在液压板上，液压板内部具有与柔性容纳体内部腔室相连通的液体流道；
    随着压力的改变，柔性容纳体内的液压介质压缩/膨胀，液压介质在柔性容纳体与液体流道间流通，带动调整脚在护套内轴向移动进行调平；
    所述的柔性容纳体上对应调整脚的第二安装凹槽设置避让部。
  8. 根据权利要求7所述的一种家用电器用底脚，其特征在于，所述的柔性容纳体包括可伸缩的容纳本体，所述的开口部为与容纳本体相连通的细径结构，所述的容纳本体设置在调整脚内部，所述容纳本体上与支撑端部的内壁相接触的一端对应第二安装凹槽局部内凹形成避让部。
  9. 根据权利要求7所述的一种家用电器用底脚，其特征在于，所述液压板的一端端面上设置安装凸柱，所述柔性容纳体的开口部包覆住安装凸柱并密封安装在液压板上，安装凸柱的端部设置凹槽。
  10. 一种具有如权利要求1-9任一项所述家用电器用底脚的家用电器。
PCT/CN2018/095560 2017-07-21 2018-07-13 一种家用电器用底脚及家用电器 WO2019015530A1 (zh)

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