CN109487506A - Lifting device and washing machine including the lifting device - Google Patents
Lifting device and washing machine including the lifting device Download PDFInfo
- Publication number
- CN109487506A CN109487506A CN201710817969.1A CN201710817969A CN109487506A CN 109487506 A CN109487506 A CN 109487506A CN 201710817969 A CN201710817969 A CN 201710817969A CN 109487506 A CN109487506 A CN 109487506A
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- lifting device
- washing machine
- support
- retarder
- output shaft
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- 238000005406 washing Methods 0.000 title claims abstract description 43
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 7
- 235000004443 Ricinus communis Nutrition 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 240000000528 Ricinus communis Species 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
-
- 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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention belongs to washing machine technology fields, specifically provide a kind of lifting device and the washing machine including the lifting device.Present invention seek to address that structure is complicated, the higher problem of production cost for the mobile difficult and its mobile device of existing washing machine.For this purpose, lifting device of the invention includes Dual-output shaft motor, retarder, cam, connecting rod and traveling wheel.Wherein, two output shafts of Dual-output shaft motor are connect with the input terminal of two retarders respectively, and the output end of retarder is pivotally connected by the first end of cam and connecting rod, and second end and the traveling wheel of connecting rod are pivotally connected.Dual-output shaft motor is rotated by the first end of retarder and cam driven connecting rod around hub switch side, and then makes the second end of connecting rod that traveling wheel be driven to move in the vertical direction, so that the body of washing machine be made to rise or fall.Since with above structure, lifting device of the invention can not only realize the automatic lifting of washing machine, movement, and structure is simple, production cost is low.
Description
Technical field
The invention belongs to washing machine machinery fields, specifically provide a kind of lifting device and the laundry including the lifting device
Machine.
Background technique
Current most of shift washers move up be it is relatively difficult, in order to which convenient in carrying is frequently in the two sides of washing machine
Hand button is set, by the way that manually lift could move together；Castor is arranged on the backing board of washing machine body in some, to facilitate laundry
The movement of machine；Also hydraulic, pneumatic shuttle is arranged in some on the backing board of washing machine body, by realize washing machine lifting come
Castor is avoided to directly touch the ground load-bearing.
But there is also certain problems for prior art, it is such as time-consuming and laborious；And the wheel body of castor directly touches the ground
Weight is born, wheel body is easily deformed damage when in use, and it is ineffective, cause washing machine body to tilt, influences normal use；If
Setting hydraulic, pneumatic shuttle, not only structure is complicated, and there is also certain noises, influences the use feeling and experience of user.
Correspondingly, this field needs a kind of new washing machine to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve the mobile difficult and existing movement of existing washing machine
Apparatus structure complexity, the higher problem of production cost, the present invention provides a kind of lifting device, the lifting device is for carrying
It is supported equipment, the lifting device includes power unit and at least two support units；Each described support unit wraps
Include the support leg being slidably arranged along the vertical direction；The power unit respectively drives with support unit described in each
Connection；The power unit can drive all support units simultaneously to drive the support leg to move in the vertical direction
It is dynamic, so that the equipment that is supported be made to rise or fall.
In the optimal technical scheme of above-mentioned lifting device, each described support unit further includes transmission device and lever
Structure；The bottom for being supported equipment is arranged in the transmission device, and the input terminal of the transmission device is moved with described
Power unit is drivingly connected；The first end of the lever construction is connect with the output end of the transmission device, the lever construction
Second end is connect with the support leg；The transmission device can drive the lever knot by the first end of the lever construction
The second end of structure is mobile, so that the support leg be driven to move in the vertical direction, and then make it is described be supported equipment rise or
It falls.
In the optimal technical scheme of above-mentioned lifting device, the transmission device includes retarder, the retarder it is defeated
Outlet is connect with the first end of the lever construction, and the input terminal of the retarder is connect with the power unit.
In the optimal technical scheme of above-mentioned lifting device, the transmission device further includes cam, and the retarder passes through
The cam is connect with the first end of the lever construction.
In the optimal technical scheme of above-mentioned lifting device, the lifting device includes two support units.
In the optimal technical scheme of above-mentioned lifting device, at least one of two described support units are provided with stroke
Switch makes described to be supported equipment and when ground is detached from, the travel switch makes the power when the support leg moves down
Unit stopping movement；When the support leg move up make it is described be supported equipment when being contacted with ground, the travel switch makes
The power unit stopping movement.
In the optimal technical scheme of above-mentioned lifting device, the bottom of the support leg is provided with traveling wheel.
In the optimal technical scheme of above-mentioned lifting device, the power unit, including motor, the output end of the motor
It is drivingly connected respectively with the input terminal of the retarder of two support units.
In the optimal technical scheme of above-mentioned lifting device, the motor is Dual-output shaft motor, the double output shaft electricity
Each output shaft of machine is connected separately with the retarder.
On the other hand, the present invention also provides a kind of washing machines, including body and the liter that the organism bottom is arranged in
Falling unit, the lifting device are lifting devices described in any one of above-mentioned optimal technical scheme.
It will be appreciated to those of skill in the art that power unit can be simultaneously in the preferred technical solution of the present invention
It drives multiple support units that support leg is driven to move in the vertical direction, the body of washing machine is made to rise or fall.With each
A driving device is respectively set on a support unit to compare, structure of the invention is simpler, and production cost is lower.
Specifically, each support unit further includes transmission device and lever construction；Wherein, at least one support unit
Equipped with travel switch；The bottom of support leg is equipped with traveling wheel.The input terminal and power unit of transmission device are drivingly connected, transmission dress
The first end of the output end and lever construction set connects, and the second end of lever construction is connect with support leg.Transmission device can pass through
The first end of lever construction drives the second end of lever construction mobile, and mobile second end can drive traveling wheel in vertical direction
Upper movement, so that the body of washing machine be made to rise or fall.When traveling wheel, which moves down, is detached from body and ground, stroke
Switch acts power unit stopping, and washing machine can easily be pushed by traveling wheel by user；Make when traveling wheel moves up
When being contacted with ground, travel switch acts power unit stopping to body, and washing machine can be by firmly solid by fixed footing
Determine on the ground.Optimize the usage experience of user.
Further, power unit includes Dual-output shaft motor.Dual-output shaft motor drives cam rotation by retarder, turns
The first end of dynamic cam driven leverage structure is mobile, with the movement of the first end of lever construction, the second end of lever construction
Rotated around hub switch side to direction identical with first end, so that traveling wheel be driven to move in the vertical direction, make body rise or
It falls, when traveling wheel, which moves down, is detached from body and ground, travel switch acts Dual-output shaft motor stopping；Work as walking
Wheel, which moves up, makes body when being contacted with ground, and travel switch acts Dual-output shaft motor stopping.Therefore, lifting of the invention
Device compared with the existing technology in hydraulic and air pressure lifting device, structure is simpler, and production cost is lower.
Detailed description of the invention
The preferred embodiment of the present invention described with reference to the accompanying drawings and in conjunction with washing machine, in attached drawing:
Fig. 1 is the side view of washing machine of the invention；
Fig. 2 is the structural scheme of mechanism of lifting device of the invention；
Fig. 3 is the first side figure of the first support unit of the invention；
Fig. 4 is the connection relationship diagram of first connecting rod in lifting device of the present invention；
Fig. 5 is the structural schematic diagram of first crossbar of the invention；
Fig. 6 is the connection relationship diagram of first crossbar of the invention；
Fig. 7 is the structural schematic diagram of second crossbar of the invention；
Fig. 8 is the connection relationship diagram of second crossbar of the invention；
Fig. 9 is second side figure of the first support unit of the invention；
Figure 10 is the main view of retarder of the invention；
Figure 11 is the rearview of the retarder in Figure 10；
Figure 12 is the structural schematic diagram of movable switch and support roller；
Figure 13 is circuit connection diagram when washing machine rises；
Circuit connection diagram when Figure 14 is washing machine decline；
Reference signs list:
1, body；11, rise key；12, decline key；13, fixed footing；2, lifting device；21, the first support is single
Member；210, support roller；2101, the first semicircle；2102, the second semicircle；211, first crossbeam；212, retarder；213, the first cam；
2131, eccentric prominent axis；214, pull rod；215, first connecting rod；2151, first crossbar；21511, first end；21512, second
End；21513, the first stomidium；21514, the second stomidium；21515, the first interstitial hole；2152, second crossbar；21521, third end；
21522, the 4th end；21523, third stomidium；21524, the 4th stomidium；21525, the second interstitial hole；216, universal wheel；217, it props up
Frame；2171, first support；21711, the first pivotal axis；2172, second support；21721, the second pivotal axis；218, sheath；
219, movable switch；2191, flexible keypad；2192, the first connecting terminal；2193, the second connecting terminal；3194, third wiring
Terminal；22, the second support unit；23, power unit；231, third crossbeam；232, Dual-output shaft motor；233, the first output
Axis；234, the second output shaft.
Specific embodiment
It will be apparent to a skilled person that this section embodiment is used only for explaining technical principle of the invention,
It is not intended to limit protection scope of the present invention.For example, although this section embodiment is come in conjunction with washing machine to liter of the invention
What falling unit was illustrated, but lifting device of the invention can also be applied to other equipment, such as air-conditioning, refrigerator, insurance
Cabinet etc., those skilled in the art, which can according to need, makes adjustment to it, to adapt to specific application, skill adjusted
Art scheme will fall into protection scope of the present invention.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
"horizontal", "inner", "outside" etc. indicate that the term of direction or positional relationship is direction based on the figure or positional relationship, this is only
It is merely for convenience of describing, rather than indication or suggestion described device or element must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used for
Purpose is described, relative importance is not understood to indicate or imply.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
As shown in Figure 1, washing machine of the invention mainly includes body 1 and lifting device 2.1 bottom of body is provided with or one
It is body formed to have fixed footing 13.The rising key 11 and decline key 12 that control lifting device 2 acts are provided on body 1.It is logical
Crossing operation rising key 11 can make lifting device 2 jack up body 1 from ground, can make to be pushed up by operation decline key 12
Ground is dropped back under the body 1 risen.It will be appreciated to those of skill in the art that lifting device 2 of the invention can be not only used for
Washing machine, may be utilized for other it is any it is feasible be supported equipment, for example, air-conditioning, sofa, safety cabinet, refrigerator etc..Ability
Field technique people can carry out appropriate adjustment to it according to actual needs, and the technical solution after adjusting will fall into protection of the invention
Range.
As shown in Figures 2 and 3, further, lifting device 2 of the invention mainly includes that the support of power unit 23, first is single
Member 21 and the second support unit 22.First support unit 21 mainly includes first crossbeam 211, retarder 212, first connecting rod 215
It (is not indicated in figure) with support leg.Second support unit 22 is identical as 21 structure of the first support unit comprising with the first support
The correspondingly mechanisms such as second cross beam (not indicated in figure) of unit 21.Power unit 23 mainly includes third crossbeam 231 and lose-lose
Output shaft electric machine 232.Wherein, first crossbeam 211, second cross beam and third crossbeam 231 are separately positioned on the bottom of washing machine body 1.
As shown in Fig. 2, Dual-output shaft motor 232 is fixedly installed on third crossbeam 231 for driving unit 23, and
First output shaft 233 of Dual-output shaft motor 232 is connected with the first support unit 21, and the second of Dual-output shaft motor 232 is defeated
Shaft 234 is connected with the second support unit 22.It will be appreciated to those of skill in the art that Dual-output shaft motor 232 both may be used
It, can also be by transmission device and the first support unit 21 to be directly connected to the first support unit 21 and the second support unit 22
It is indirectly connected with the second support unit 22, illustratively, which is drive rod.
With continued reference to Fig. 2 and Fig. 3, for the first support unit 21, the bottom of support leg is provided with universal wheel 216, and
Support leg is slideably mounted to along the vertical direction on first crossbeam 211, and retarder 212 is fixedly mounted on first crossbeam 211,
And the input terminal of retarder 212 is connected with the first output shaft 233 of Dual-output shaft motor 232, the output end of retarder 212 and
The first end of one connecting rod 215 operates connection, is pivotally connected at the top of the second end and support leg of first connecting rod 215.Double output shaft
Motor 232 can drive the first end motion of first connecting rod 215, the first end of movement after reducing revolving speed by retarder 212
It is able to drive the second end motion of first connecting rod 215, the second end of movement can drive universal wheel 216 to move in the vertical direction
It is dynamic, so that body 1 be made to rise or fall.
In addition, those skilled in the art can also be as needed, replaced using other any feasible power devices double
Export spindle motor 232, such as dual output air pressure motor, dual output hydraulic motor.
It further, can be any feasible by other it will be appreciated to those of skill in the art that above-mentioned universal wheel 216
Traveling wheel substitution, for example, rigid castors.Those skilled in the art are also understood that, power unit 23, retarder 212
The bottom of body 1 can also be directly mounted to universal wheel 216 or is installed to the surrounding of body 1, meanwhile, retarder 212
It can also be arranged on power unit 23, such as reduction gearbox is set on power unit 23, after power reduces revolving speed by reduction gearbox
It exports again.Further, those skilled in the art can also be as needed, saves the setting of universal wheel 216, when body 1 is risen
After falling unit 2 lifts, washing machine is shifted by other mobile devices.Such as when body 1 is by 2 lifting of lifting device
Afterwards, so that the front fork of small-sized forklift is inserted into the bottom of body 1, washing machine is shifted by fork truck.
As shown in figure 3, transmission device of the invention further includes cam 213 and the pull rod 214 as second connecting rod.Its convexity
The center of circle for taking turns 213 basic circles and the output shaft of retarder 212 are coaxially fixed, end of the cam 213 far from the basic circle center of circle and pull rod 214
First end be pivotally connected, the second end of pull rod 214 and the first end of first connecting rod 215 are pivotally connected.Retarder 212 operates
When, cam 213 can be driven to rotate, cam 213 is able to drive pull rod 214 and moves up and down, and pull rod 214 drives first connecting rod 215 again
First end move up and down, to promote the second end of first connecting rod 215 that universal wheel 216 is driven to move up and down, realize body 1
It rises and falls.
With continued reference to Fig. 3, bracket 217 and sheath 218 are additionally provided on first crossbeam 211.Further, first connecting rod 215 is gone back
Including the hub switch side between first end and second end, first connecting rod 215 is pivotally connected by the hub switch side with bracket 217.
The first connecting rod 215 and bracket 217 being pivotally connected form lever construction, and specifically, the first end of first connecting rod 215 moves upwards
When, the second end of first connecting rod 215 moves downward；When the first end of first connecting rod 215 moves downward, the of first connecting rod 215
Two ends move upwards.The support column of universal wheel 216 passes through sheath 218, and is slidably connected with sheath 218 in vertical direction.
It will be appreciated to those of skill in the art that first crossbeam 21, second cross beam (not indicated in figure) and third crossbeam
231 should be broadly interpreted as the carrier for installing associated components, can be replaced using other any feasible structures, into one
Step, can be fixedly connected with the bottom of body 1, can also be structure as a whole with the bottom of body 1.
As shown in figure 4, first connecting rod 215 includes first crossbar 2151 and second crossbar 2152, bracket 217 includes first
Frame 2171 and second support 2172.First crossbar 2151 and first support 2171 constitute the first lever construction, second crossbar 2152
The second lever construction is constituted with second support 2172.
As shown in Figure 5 and Figure 6, the first end 21511 of first crossbar 2151 is equipped with the first stomidium 21513, and first is horizontal
The second end 21512 of bar 2151 is equipped with the second stomidium 21514, sets among first crossbar 2151 close to 21512 part of second end
There is the first interstitial hole 21515 as hub switch side.Pin shaft (not shown) passes through the first stomidium 21513 and is connected with pull rod 214
It connects, to realize being pivotally connected for first crossbar 2151 and pull rod 214.Pin shaft (not shown) passes through the second stomidium 21514
It is connected with 216 support column of universal wheel, to realize being pivotally connected for first crossbar 2151 and universal wheel 216.Pin shaft is (in figure not
Show) it is connected across the first interstitial hole 21515 with first support 2171, to realize first crossbar 2151 and first support
2171 are pivotally connected.
As shown in Figure 7 and Figure 8, the third end 21521 of second crossbar 2152 is equipped with third stomidium 21523, and second is horizontal
4th end 21522 of bar 2152 is equipped with the 4th stomidium 21524, sets among second crossbar 2152 close to 21524 part of the 4th end
There is the second interstitial hole 21525 as hub switch side.Pin shaft (not shown) passes through third stomidium 21523 and is connected with pull rod 214
It connects, to realize being pivotally connected for second crossbar 2152 and pull rod 214.Pin shaft (not shown) passes through the 4th stomidium 21524
It is connected with 216 support column of universal wheel, to realize being pivotally connected for second crossbar 2152 and universal wheel 216.Pin shaft is (in figure not
Show) it is connected across the second interstitial hole 21525 with second support 2172, to realize second crossbar 2152 and second support
2172 are pivotally connected.
Referring again to Fig. 5 and Fig. 6, since first crossbar 2151 and first support 2171 form lever construction, hole 21515 is needed
For circular hole, and its diameter is slightly larger than the axis outer diameter of first support 2171.To guarantee that the second end 21512 of first crossbar 2151 does arc
When shape moves, the support column of universal wheel 216 does vertical motion, and the second stomidium 21514 need to be set as elongate in shape, the elongate in shape
Length direction is identical as the length direction of first crossbar 2151.Similarly as shown in Figure 7 and Figure 8, second crossbar 2152 and second
Bracket 2172 constitutes the second lever construction, and the second interstitial hole 21525 of second crossbar 2152 is also circle, the 4th stomidium 21524
It also is elongate in shape, specific requirement is identical as the second stomidium 21514 in first crossbar 2151.
As shown in Figure 6 and Figure 7, it to prevent two cross bars and pull rod 214 from squeezing stuck damage device, needs on two cross bars
The first stomidium 21513 and at least one of third stomidium 21523 be elongate in shape, the length direction of the elongate in shape and its
The length direction of place cross bar is identical, and providing holes first end 21513 is strip in the present embodiment, and third stomidium 21523 is circle
Shape.
As shown in Fig. 9 to Figure 14, occur due to 213 amount of spin of cam is excessive when being promoted and declining washing machine in order to prevent
Cause washing machine that cannot rest on highest or extreme lower position, is provided with travel switch (not indicating in figure) on retarder 212, including
Movable switch 219 and support roller 210.Movable switch 219 is equipped with flexible keypad 2191 and three connecting terminals.Three connecting terminals
It is denoted as the first connecting terminal 2192, the second connecting terminal 2193 and third connecting terminal 2194 respectively.Flexible keypad 2191 compresses
When retraction, movable switch 219 connects the first connecting terminal 2192 and the second connecting terminal 2193 (as shown in figure 13)；Flexible keypad
When 2191 stretching, movable switch 219 connects the first connecting terminal 2192 and third connecting terminal 2194 (as shown in figure 14).
It should be noted that rising key 11 in Figure 13 and Figure 14 and decline key 12 are that key open in usual is (or normally opened
Formula switch), i.e. rising key 11 and decline key 12 is just closed when being pressed or being operated.
As shown in Fig. 9 to Figure 12, support roller 210 and the output shaft of retarder 212 are coaxially fixed, so that support roller 210 and cam
213 can rotate synchronously, and the two sides for the retarder 212 that is placed in cam 213.Alternatively, those skilled in the art can be with
As needed, support roller 210 and cam 213 are arranged in side.The support roller 210 is made of the semicircle of two different radiis, respectively
It is denoted as the first semicircle 2101 and the second semicircle 2102.The radius of first semicircle 2101 less than the second semicircle 2102 radius, and
It is seamlessly transitted between first semicircle 2101 and the second semicircle 2102.
As shown in Fig. 2, the second support unit 22 and the first support unit 21 are different only in that travel switch in structure,
That is travel switch, the not set travel switch of the second support unit 22 are provided on the first support unit 21.
It will be appreciated to those of skill in the art that above-mentioned travel switch can also be arranged on the second support unit 22,
Or it is arranged simultaneously on two support units.
Lifting device working principle for washing machine of the invention is as follows.
It should be noted that washing machine is under normal conditions, universal wheel 216 is in retracted mode；Eccentric protrusion axle 2131 is in
The underface of 213 axis of cam；Flexible keypad 2191 is contacted with the transition region of the first semicircle 2101 and the second semicircle 2102；First
Connecting terminal 2192 is connected with the second connecting terminal 2193.
When rising key 11 is pressed, Dual-output shaft motor 232 is switched on power supply, and Dual-output shaft motor 232 starts
Rotation.Dual-output shaft motor 232 is rotated synchronously by retarder 212 with moving cam 213 and support roller 210.With turning for support roller 210
It is dynamic, the outer rim sliding contact of flexible keypad 2191 and the second semicircle 2102.The cam 213 of rotation drives pull rod 214 to move up,
The pull rod 214 moved up pulls up the first end 21511 of first crossbar 2151 and the third end of second crossbar 2152
21521.With moving up for first end 21511 and third end 21521, second end 21512 and the 4th end 21522 are to moving down
It is dynamic, and therefore eject universal wheel 216.When support roller 210 turns to flexible keypad 2191 and the second semicircle 2102 is separated, bullet
Property key 2191 stretch out movable switch 219.First connecting terminal 2192 and the second connecting terminal 2193 disconnect, the first connecting terminal
2192 are connected to third connecting terminal 2194.The power-off of Dual-output shaft motor 232 at this time stops operating, and eccentric protrusion axle 2131 is in
The surface of 213 axis of cam, the length longest that universal wheel 216 is ejected, body 1 is by jack-up height highest.Washing machine at this time
It is supported by four universal wheels 216, user pushes washing machine, and washing machine can be moved by four universal wheels 216.
When decline key 12 is pressed, Dual-output shaft motor 232 is switched on power supply, and Dual-output shaft motor 232 starts
Rotation.Dual-output shaft motor 232 is rotated synchronously by retarder 212 with moving cam 213 and support roller 210.With turning for support roller 210
It is dynamic, the outer rim sliding contact of flexible keypad 2191 and the first semicircle 2101.The cam 213 of rotation drives pull rod 214 to move down,
The pull rod 214 moved down drives downwards the first end 21511 of first crossbar 2151 and the third end of second crossbar 2152
21521.With moving down for first end 21511 and third end 21521, second end 21512 and the 4th end 21522 are to moving up
It is dynamic, and universal wheel 216 is therefore made to retract body 1.When support roller 210 turns to flexible keypad 2191 and the first semicircle 2101 and second
When the transition region of semicircle 2102, flexible keypad 2191 retracts movable switch 219.First connecting terminal 2192 and third connecting terminal
2194 disconnect, and the first connecting terminal 2192 is connected to the second connecting terminal 2193.The power-off of Dual-output shaft motor 232 at this time stops turning
Dynamic, eccentric protrusion axle 2131 is in the underface of 213 axis of cam, and universal wheel 216 retracts in body 1, and body 1 is by fixed bottom
Foot 13 offsets with ground.
It should be noted that in a preferred embodiment of the invention, Dual-output shaft motor 232 preferably has power-off certainly
Locking device (such as motor internal contracting brake device), when Dual-output shaft motor 232 powers off, Dual-output shaft motor 232 is also able to maintain current
Angle, and then universal wheel 216 can be made to be maintained at current location.To allow users to make universal wheel when washing machine is powered
216 are ejected, and can continue to push washing machine after washing machine power-off, and then can guarantee that washing machine can be by universal wheel
216 are pulled to the place of any not power supply.
In conclusion in a preferred embodiment of the invention, Dual-output shaft motor 232 drives the first support unit simultaneously
21 and second support unit 22 move, by retarder 212 drive cam 213 rotate, the cam 213 of rotation is by pull rod 214
Drive the first end of first connecting rod 215 mobile, the second end band that the first end of first connecting rod 215 passes through driving first connecting rod 215
Dynamic universal wheel 216 moves in the vertical direction, so that body 1 is risen or is fallen, therefore, lifting device of the invention is relative to existing
Hydraulic and air pressure lifting device in technology, structure is simpler, and production cost is lower.In addition, those skilled in the art may be used also
With as needed, it sets two support units 21,22 shown in Fig. 2 to the support unit of any other quantity, such as logical
It crosses a power unit 23 while driving three or four support units.
Further, the lever construction formed by first connecting rod 215 and bracket 217, makes the second end top of first connecting rod 215
Out and withdraw lighter, laborsaving when universal wheel 216, while link mechanism is simply easily made, and production cost can be reduced.
Further, it is provided with movable switch 219 and support roller 210 on retarder 212, work can control by the support roller 210
Dynamic switch 219 acts, and then makes to rise key 11 or decline key 12 to connect with power supply.It is connected simultaneously when rising key 11 with power supply
When being pressed, lifting device 2 jacks up body 1, until body 1 is given rise to extreme higher position.Support roller 210 rotated half-turn at this time
It disconnects rising key 11 with power supply, makes to decline key 12 and power supply is connected, Dual-output shaft motor 232 stops operating.When
When decline key 12 and power supply are connected and be pressed, lifting device 2 puts down body 1, until the fixation footing 13 of 1 bottom of body
With ground face contact, universal wheel 216 is fully retracted in body 1.Support roller 210 rotated half-turn and makes to decline key 12 and power supply at this time
It disconnects, makes to rise key 11 and power supply is connected, Dual-output shaft motor 232 stops operating.Therefore, in preferred reality of the invention
Shi Zhong, movable switch 219 and support roller 210 on retarder 212 make the raising and lowering of body 1 relatively reliable, avoid convex
213 rotation of wheel is excessive, decline when body 1 rises to extreme higher position.User rises key 11 and decline key by operation simultaneously
12 just can control lifting device 2 to make 1 raising and lowering of body, and operation is simpler, and the usage experience of user is more preferable.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of lifting device, the lifting device is supported equipment for carrying, which is characterized in that the lifting device includes
Power unit and at least two support units；
Each described support unit includes the support leg being slidably arranged along the vertical direction；
The power unit respectively drives with support unit described in each and connect；
The power unit can drive all support units simultaneously to drive the support leg to move in the vertical direction
It is dynamic, so that the equipment that is supported be made to rise or fall.
2. lifting device according to claim 1, which is characterized in that each described support unit further includes transmission device
And lever construction；
The bottom for being supported equipment, and the input terminal of the transmission device and the power is arranged in the transmission device
Unit is drivingly connected；
The first end of the lever construction is connect with the output end of the transmission device, the second end of the lever construction with it is described
Support leg connection；
The transmission device can drive the second end of the lever construction mobile by the first end of the lever construction, thus
It drives the support leg to move in the vertical direction, and then the equipment that is supported is made to rise or fall.
3. lifting device according to claim 2, which is characterized in that the transmission device includes retarder, the deceleration
The output end of device is connect with the first end of the lever construction, and the input terminal of the retarder is connect with the power unit.
4. lifting device according to claim 3, which is characterized in that the transmission device further includes cam, the deceleration
Device is connect by the cam with the first end of the lever construction.
5. lifting device according to claim 4, which is characterized in that the lifting device includes that two supports are single
Member.
6. lifting device according to claim 5, which is characterized in that the setting of at least one of two described support units
There is travel switch,
Make described to be supported equipment and when ground is detached from, the travel switch makes the power list when the support leg moves down
First stopping movement；
When the support leg move up make it is described be supported equipment when being contacted with ground, the travel switch makes the power list
First stopping movement.
7. lifting device according to claim 6, which is characterized in that the bottom of the support leg is provided with traveling wheel.
8. lifting device according to claim 7, which is characterized in that the power unit includes motor, the motor
Output end is drivingly connected with the input terminal of the retarder of two support units respectively.
9. lifting device according to claim 8, which is characterized in that the motor is Dual-output shaft motor, the lose-lose
Each output shaft of output shaft electric machine is connected separately with the retarder.
10. a kind of washing machine, the washing machine includes body and the lifting device that the organism bottom is arranged in, and feature exists
In the lifting device is lifting device described in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817969.1A CN109487506B (en) | 2017-09-12 | 2017-09-12 | Lifting device and washing machine comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817969.1A CN109487506B (en) | 2017-09-12 | 2017-09-12 | Lifting device and washing machine comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109487506A true CN109487506A (en) | 2019-03-19 |
| CN109487506B CN109487506B (en) | 2022-04-12 |
Family
ID=65687753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710817969.1A Active CN109487506B (en) | 2017-09-12 | 2017-09-12 | Lifting device and washing machine comprising same |
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| Country | Link |
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| CN (1) | CN109487506B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699757A (en) * | 2020-05-20 | 2021-11-26 | 青岛海尔洗衣机有限公司 | Lifting device and washing machine with same |
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| CN103017112A (en) * | 2011-09-26 | 2013-04-03 | 海洋王照明科技股份有限公司 | Lifting carriage and lighting device comprising same |
| CN203033710U (en) * | 2012-11-28 | 2013-07-03 | 总装备部工程设计研究总院 | Lifting platform and lifting structure thereof |
| CN104198266A (en) * | 2014-08-05 | 2014-12-10 | 中交国通公路工程技术有限公司 | Anti-scouring testing device for road pavement material |
| CN105624995A (en) * | 2016-03-04 | 2016-06-01 | 海信（山东）冰箱有限公司 | Washing machine easy to move |
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| US4129018A (en) * | 1977-10-06 | 1978-12-12 | Whirlpool Corporation | One-piece agitator with clothes lifting cams |
| CN103017112A (en) * | 2011-09-26 | 2013-04-03 | 海洋王照明科技股份有限公司 | Lifting carriage and lighting device comprising same |
| CN203033710U (en) * | 2012-11-28 | 2013-07-03 | 总装备部工程设计研究总院 | Lifting platform and lifting structure thereof |
| CN104198266A (en) * | 2014-08-05 | 2014-12-10 | 中交国通公路工程技术有限公司 | Anti-scouring testing device for road pavement material |
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| CN113699757A (en) * | 2020-05-20 | 2021-11-26 | 青岛海尔洗衣机有限公司 | Lifting device and washing machine with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109487506B (en) | 2022-04-12 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220218 Address after: 400026 No.303, Block E, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier Front-loading Washing Machine Co.,Ltd. Applicant after: Haier Zhijia Co., Ltd Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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