CN113699757A - Lifting device and washing machine with same - Google Patents
Lifting device and washing machine with same Download PDFInfo
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- CN113699757A CN113699757A CN202010428802.8A CN202010428802A CN113699757A CN 113699757 A CN113699757 A CN 113699757A CN 202010428802 A CN202010428802 A CN 202010428802A CN 113699757 A CN113699757 A CN 113699757A
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- longitudinal sliding
- lifting device
- supporting
- lever
- sliding rod
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- 238000005406 washing Methods 0.000 title claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 210000002414 leg Anatomy 0.000 description 121
- 230000001174 ascending effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
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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
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- 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
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a lifting device and a washing machine with the same, wherein the lifting device comprises: a drive mechanism; the supporting leg mounting base is provided with a plurality of supporting legs; the linkage mechanism is connected between the driving mechanism and the supporting leg mounting seat; the driving mechanism drives the linkage mechanism to drive the supporting leg mounting base to move up/down in the vertical direction, and further drives all the supporting legs to rise/fall. According to the lifting device provided by the invention, the plurality of supporting feet are arranged on the supporting foot mounting seat, so that the supporting foot mounting seat is driven to move up and down through a set of driving mechanism and a set of linkage mechanism, the purpose of driving all the supporting feet to rise or fall simultaneously can be realized, the structure of the lifting device is simplified, the production cost is lower, and the control is facilitated.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly provides a lifting device and a washing machine with the same.
Background
At present, most of washing machines are difficult to move, and hand buckles are arranged on two sides of the washing machines for carrying convenience and can be moved only by being lifted together manually; some washing machines are provided with supporting legs on a bottom supporting plate of a washing machine body, so that the washing machine can move conveniently; and a hydraulic and pneumatic device is arranged on a bottom supporting plate of the washing machine body, so that the supporting legs are prevented from directly contacting the ground to bear the weight by realizing the lifting of the washing machine. However, the prior art solutions still have certain problems, such as time and labor waste; the wheels of the supporting legs directly contact the ground to bear weight, and the wheels are easy to deform and damage and lose functions when in use, so that the body of the washing machine is inclined, and the normal use is influenced; set up hydraulic pressure, pneumatic means not only the structure is complicated, still have certain noise, influence user's use impression and experience.
The invention patent with application number 201710817969.1 discloses a lifting device and a washing machine comprising the same. The lifting device comprises a motor with double output shafts, a speed reducer, a cam, a rocker arm and a travelling wheel. The two output shafts of the motor with the double output shafts are respectively connected with the input ends of the two speed reducers, the output ends of the speed reducers are hinged with the first ends of the rocker arms through cams, and the second ends of the rocker arms are hinged with the travelling wheels. The motor with double output shafts drives the first end of the rocker arm to rotate around the pivoting end through the speed reducer and the cam, so that the second end of the rocker arm drives the travelling wheels to move in the vertical direction, and the washing machine body is lifted or dropped.
The lifting device disclosed in the above application, dual output shaft motor passes through the reduction gear drive cam and rotates, and pivoted cam drive lever structure's first end removes, and along with the removal of lever structure's first end, lever structure's second end rotates to the direction the same with first end around the pivot end to drive the walking wheel and remove in vertical direction, make the organism rise or fall. The automatically controlled drive mode who adopts in this application realizes elevating gear's reciprocating, compares in the hydraulic pressure among the prior art and atmospheric pressure elevating gear, though the structure compares simplely a little, and is more automatic, easily control. However, the lifting device and the washing machine disclosed in the application can only realize the up-and-down movement of the four supporting legs through the motors with double output shafts or the two motors, the two speed reducers and the two sets of lever mechanisms, so that the structure of the lifting device is relatively complex, the production cost is higher, and the lifting device is not easy to use and popularize.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a lifting device with simpler structure and lower production cost.
In order to achieve the purpose, according to one aspect of the invention, the following technical scheme is adopted:
a lifting device, comprising:
a drive mechanism;
the supporting leg mounting base is provided with a plurality of supporting legs;
the linkage mechanism is connected between the driving mechanism and the supporting leg mounting seat;
the driving mechanism drives the linkage mechanism to drive the supporting leg mounting base to move up/down in the vertical direction, and further drives all the supporting legs to rise/fall.
Furthermore, the lifting device also comprises a fixed seat for installing and fixing the lifting device, and the fixed seat of the lifting device is positioned above the supporting foot installation seat;
the supporting leg mounting seat is characterized in that a longitudinal sliding sleeve is arranged on the fixing seat, a longitudinal sliding rod capable of moving up and down along the longitudinal sliding sleeve is arranged on the supporting leg mounting seat, the upper end of the longitudinal sliding rod is hinged to the linkage mechanism, and the supporting leg mounting seat can move up and down relative to the fixing seat under the driving of the linkage mechanism and the longitudinal sliding rod.
Furthermore, the fixed seat is arranged at the middle position above the supporting foot mounting seat, and avoidance grooves capable of avoiding the movement of the linkage mechanism are arranged on the fixed seat and the supporting foot mounting seat;
preferably, the fixed seat and the supporting foot mounting seat are enclosed by a plurality of frames, and two ends of the fixed seat are lapped and arranged at the middle positions of any two frames relative to the supporting foot mounting seat.
Furthermore, the supporting legs are walking wheels or fixed supporting legs, and one or more supporting legs are arranged on each frame of the supporting leg mounting base;
preferably, the supporting legs are arranged at the connecting positions of two adjacent frames of the supporting leg mounting base.
Furthermore, the linkage mechanism comprises a lever structure, wherein the first end of the lever structure is connected to the output end of the driving mechanism, and the second end of the lever structure is connected to the longitudinal sliding rod;
the fixing seat is provided with a fulcrum part hinged with the lever structure, the fulcrum part is hinged between the first end and the second end of the lever structure, and the driving mechanism drives the first end and the second end of the lever structure to reciprocate up and down around the fulcrum part so as to drive the supporting leg mounting seat to move up and down in the vertical direction.
Further, the longitudinal sliding rod comprises a first longitudinal sliding rod and a second longitudinal sliding rod which are arranged on the supporting foot mounting seat, and the lever structure comprises a first lever and a second lever, wherein the first lever is connected to the first longitudinal sliding rod, and the second lever is connected to the second longitudinal sliding rod;
the longitudinal sliding sleeve comprises a first longitudinal sliding sleeve and a second longitudinal sliding sleeve which are arranged on the fixed seat corresponding to the first longitudinal sliding rod and the second longitudinal sliding rod, and the supporting leg mounting seat can move up and down along the first longitudinal sliding sleeve and the second longitudinal sliding sleeve under the driving of the first lever and the first longitudinal sliding rod and the driving of the second lever and the second longitudinal sliding rod.
Furthermore, the driving mechanism comprises a driving motor and a speed reducer which are fixed on the fixed seat, the output end of the speed reducer is connected with a rocker arm structure, one end of the rocker arm structure is connected with the output shaft of the speed reducer, and the other end of the rocker arm structure is connected with the linkage mechanism.
The invention also provides a washing machine, which comprises a shell, wherein the washing machine is provided with any one of the lifting devices, and the lifting device is arranged at the bottom of the shell.
Further, the washing machine includes an outer case having an opening at one side and a washing unit located in the outer case, the washing unit being pushable/withdrawable from the opening of the outer case, the washing unit including an inner case and a washing tub assembly provided in the inner case, the lifting device being provided at a bottom of the inner case and/or a bottom of the outer case.
Furthermore, washing machine is including being located the bottom platform of washing machine bottom, elevating gear fixes on washing machine's bottom platform, supporting legs mount pad upper surface is provided with a plurality of reference columns, be provided with on washing machine's the bottom platform with reference column matched with location hole post, the reference column can be spacing with reciprocating in the location hole post.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
according to the lifting device and the washing machine with the lifting device, the supporting legs are arranged on the supporting leg mounting seats, so that the supporting leg mounting seats are driven to move up and down through the set of driving mechanisms and the set of linkage mechanisms, the purpose of driving all the supporting legs to rise or fall simultaneously can be achieved, the structure of the lifting device is simplified, the production cost is lower, the lifting synchronism of the supporting legs is higher, the control is more convenient, and the use and popularization are easy.
Drawings
FIG. 1 is a perspective view of a washing machine according to the present invention;
FIG. 2 is a schematic plan view of the washing machine of the present invention;
FIG. 3 is a schematic top view of the lift of the present invention;
FIG. 4 is a schematic bottom view of the lift of the present invention;
FIG. 5 is a schematic front view of the lift of the present invention;
FIG. 6 is a schematic view of the lifting device of the present invention in an elevated configuration;
FIG. 7 is a schematic view of the lowering mechanism of the present invention;
FIG. 8 is a schematic view of the structure at A in FIG. 5;
FIG. 9 is an angle view of the lifting device of the present invention engaged with a washing machine base;
FIG. 10 is a schematic view of another angle configuration of the present invention lifting device in cooperation with a washing machine base;
wherein:
1. an outer housing; 2. an inner housing; 3. an inner barrel; 4. an outer tub; 6. a base table; 61. positioning the hole column;
5. a lifting device;
51. a drive mechanism; 511. a drive motor; 512. a speed reducer; 513. a rocker arm structure;
52. a linkage mechanism; 521. a first lever; 522. a second lever; 5221. a rotating shaft hole;
53. a supporting leg mounting base; 531. supporting legs; 5311. a wheel; 5312. a rotating bearing; 532. a positioning column; 533. a first longitudinal slide bar; 534. a second longitudinal slide bar;
54. a fixed seat; 541. a first longitudinal sliding sleeve; 542. a second longitudinal sliding sleeve; 543. screw holes; 544. a support; 545. a rotating shaft support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to examples.
Example one
As shown in fig. 1 to 10, the present embodiment provides a lifting device 5, the lifting device 5 is used for carrying a supported device, and the lifting device 5 includes: a drive mechanism 51; a linkage mechanism 52 which is in driving connection with the driving mechanism 51; the supporting leg mounting base 53, a plurality of supporting legs 531 are fixedly arranged below the supporting leg mounting base 53; the linkage mechanism 52 is connected between the driving mechanism 51 and the supporting foot mounting base 53; the driving mechanism 51 can drive the linkage mechanism 52 to drive the supporting leg mounting base 53 to move up/down in the vertical direction, so as to drive all the supporting legs 531 on the supporting leg mounting base 53 to rise or fall simultaneously.
The lifting device 5 that this embodiment provided can be in as required a plurality of supporting legss 531 of installation on the supporting legs mount pad 53 can realize that whole supporting legss rise simultaneously or fall down simultaneously under the drive of a set of actuating mechanism and a set of link gear, and the structure is simpler, and manufacturing cost is lower, and the synchronism that a plurality of supporting legss go up and down is higher, the control of being more convenient for, easily use the popularization.
It should be noted that the lifting device provided in this embodiment may be used not only in a washing machine, but also in any other feasible supported device, such as an air conditioner, a sofa, a safe, a refrigerator, etc. The person skilled in the art can make appropriate adjustments according to actual needs, and the technical solutions after the adjustments still fall into the protection scope of the present invention.
In this application, supporting legs 531 can adopt fixed supporting legs, fixed supporting legs can make and stably park at a certain position by the supporting equipment, can reciprocate through control supporting legs mount pad, drives whole supporting legs and rises/falls down, adjusts the height by the supporting equipment. In another scheme, supporting legs 531 also can adopt walking wheels, and not only can the height of supported equipment be adjusted through setting supporting legs 531 as walking wheels, when the position of supported equipment needs to be moved, the walking wheels that set up drive supported equipment to move, and the problem of being supported equipment to move difficulty is solved. Preferably, the supporting legs 531 in this embodiment all use universal wheels, the universal wheels include a wheel seat installed on the supporting leg mounting base 53, a wheel 5311 located in the wheel seat, and a rotating bearing 5312 arranged above the wheel 5311, the supporting legs 531 can rotate 360 degrees through the rotating bearing 5312, the degree of freedom is greater, and a user can save more time and labor when moving the supported device.
Further, the lifting device 5 further includes a fixing seat 54 for fixing the lifting device 5, the lifting device 5 is fixed on the supported device through the fixing seat 54, and the fixing seat 54 of the lifting device is located above the supporting foot mounting seat 53.
Furthermore, a longitudinal sliding sleeve which is longitudinally arranged in a vertical through manner is arranged on the fixed seat 54, a longitudinal sliding rod which can move up and down along the longitudinal sliding sleeve is arranged on the supporting foot mounting seat 53, the lower end of the longitudinal sliding rod is connected to the supporting foot mounting seat 53, the upper end of the longitudinal sliding rod is hinged to the linkage mechanism 52, and the supporting foot mounting seat 53 can move up and down along the longitudinal sliding sleeve relative to the fixed seat 54 under the driving of the linkage mechanism 52. Vertical slide bar is vertical setting with vertical sliding sleeve, through the vertical sliding sleeve that sets up, carries on spacingly to vertical slide bar in the horizontal direction, through vertical slide bar with vertical sliding sleeve is at ascending sliding fit in vertical direction, can guarantee effectively that supporting legs mount pad 53 can reciprocate in vertical direction under actuating mechanism 51's drive and link gear 52's drive, avoids supporting legs mount pad 53 can appear taking place the phenomenon of sidesway on the horizontal direction.
Further, as shown in fig. 3 to fig. 5, in this embodiment, the driving mechanism 51 is fixed on the fixed seat 54, the driving mechanism 51 includes a driving motor 511 and a speed reducer 512 disposed at an output end of the driving motor 511, an output end of the speed reducer 512 is connected to a rocker structure 513, one end of the rocker structure 513 is connected to an output shaft of the speed reducer 512, and the other end is hinged to the linkage mechanism 52. In the present embodiment, the driving mechanism 51 is not limited to the driving motor 511, and may be a driving device such as a pneumatic motor or a hydraulic motor.
Further, the output shaft of the speed reducer 512 rotates along the vertical direction, the end part of one side of the rocker arm structure 513 is fixed on the output shaft of the speed reducer 512, the rocker arm structure 513 makes a circular motion along the output shaft of the speed reducer 512 in the vertical direction, the end part of the other side of the rocker arm structure 513 is provided with a rotating shaft, the first end of the linkage mechanism 52 is hinged or rotatably connected to the rotating shaft, and the second end of the linkage mechanism is hinged to the upper end of the longitudinal sliding rod. The linkage mechanism 52 is driven by the driving motor 511 and the rocker arm structure 513 to move in the vertical direction, so as to drive the supporting foot mounting base 53 to move up and down, and further drive all the supporting feet 531 on the supporting foot mounting base 53 to rise or fall simultaneously.
In this embodiment, the fixing seat 54 is disposed at the middle position above the supporting foot mounting seat 53, and the fixing seat 54 is disposed on the supporting foot mounting seat 5, so that the position where the longitudinal sliding rod and the longitudinal sliding sleeve are matched is located at the position of the supporting foot mounting seat 53 relative to the center, and thus the supporting foot mounting seat 53 can rise or fall more stably.
Further, the fixing seat 54 and the supporting leg mounting seat 53 are provided with an avoiding groove capable of avoiding the movement of the linkage mechanism 52, and the fixing seat 54 and the supporting leg mounting seat 53 are prevented from interfering the movement of the linkage mechanism 52 through the avoiding groove.
Preferably, fixing base 54 with supporting legs mount pad 53 encloses by many frames and closes and forms, will fixing base 54 with supporting legs mount pad 53 sets up to the frame shape, can material saving on the one hand, on the other hand the fixing base 54 of frame shape with form in the middle of the supporting legs mount pad 53 avoid the groove, need not additionally to set up and avoid the groove.
Further, the fixing seat 54 is a long-strip-shaped frame structure, the supporting leg mounting seat 53 can be set to be in different shapes according to the supported device, and two ends of the long-strip-shaped fixing seat 54 are overlapped and arranged at the middle position of any two opposite frames of the supporting leg mounting seat 53. In this embodiment, the fixing seat 54 is configured as a strip-shaped fixing frame and does not cover the whole supporting leg mounting seat 53, so that the interference of the configuration of the fixing seat 54 on the configuration of other structures on the supporting leg mounting seat 53 is effectively avoided.
Further, each frame of the supporting foot mounting base 53 is provided with one or more supporting feet 531; preferably, the supporting legs 531 are disposed at the connecting positions of two adjacent frames of the supporting leg mounting base 53, so that the number of the supporting legs 531 is adaptively reduced while the supporting legs of the lifting device 5 are ensured to stably support the supporting leg mounting base 53, and the cost can be further saved.
In this embodiment, the supporting leg mounting base 53 is formed by enclosing four side frames, and the number of the supporting legs 531 is four, and the four supporting legs are respectively and fixedly disposed at four corner positions of the supporting leg mounting base 53. The supporting leg mounting base 53 is made of a rigid material with high strength and has a certain thickness, and can stably support supported equipment, and the supporting leg 531 can be fixed below the supporting leg mounting base 53 through screws or welding and other modes.
Further, a plurality of screw holes 543 are arranged at intervals in the circumferential direction of the fixing seat 54, the lifting device 5 is detachably arranged on the bottom of the supported device through screws, and the lifting device 5 is fixed on the supported device through screws, so that the lifting device 5 is convenient to detach and replace.
Furthermore, a positioning structure matched with the supported equipment and used for positioning is arranged on the supporting leg mounting base 53, the positioning structure is a plurality of positioning columns 532 arranged on the upper surface of the supporting leg mounting base 53, and the positioning columns 532 have a certain longitudinal length. Through the reference column 532 and the supported equipment cooperation that set up, can strengthen the holistic stability of elevating gear, avoid controlling and rock, play certain support positioning action.
In one scheme, the linkage mechanism 52 includes a connecting rod hinged to the longitudinal sliding rod, one end of the connecting rod is connected to a rotating shaft of the rocker arm structure 513, the other end of the connecting rod is hinged to the upper end of the longitudinal sliding rod, the driving mechanism 51 drives one side end of the connecting rod to perform circular motion in the vertical direction, the other end of the connecting rod is hinged to the longitudinal sliding rod, and the supporting foot mounting seat 53 moves up and down along the longitudinal sliding sleeve of the fixing seat 54 under the traction of the longitudinal sliding rod.
In another preferred embodiment, the linkage 52 includes a lever structure hinged to the longitudinal sliding rod, and a first end of the lever structure is connected to the output end of the driving mechanism 51, and the other end is hinged to the longitudinal sliding rod. The fixed seat 54 is provided with a fulcrum portion hinged to the lever structure, the fulcrum portion is hinged to the lever between the first end and the second end of the lever structure, the driving mechanism 51 drives the first end of the lever structure to reciprocate up and down, the second end of the lever structure reciprocates up and down around the fulcrum portion according to the lever principle, and the second end of the lever structure drives the longitudinal sliding rod to move up and down so as to drive the supporting foot mounting seat 53 to move up and down in the vertical direction.
Further, the lever structure may include only one lever, and preferably, in this embodiment, as shown in fig. 3 to 5, the lever structure includes a first lever 521 and a second lever 522, the longitudinal sliding rod includes a first longitudinal sliding rod 533 and a second longitudinal sliding rod 534 disposed on the support foot mounting seat 53, the first lever 521 and the second lever 522 include a first end and a second end, respectively, the first ends of the first lever 521 and the second lever 522 are collectively hinged on the rotating shaft of the rocker arm structure 513, the second ends of the first lever 521 and the second lever 522 are outwardly expanded, the second end of the first lever 521 is hinged with the first longitudinal sliding rod 533, the second end of the second lever 522 is hinged with the second longitudinal sliding rod 534, the first longitudinal sliding rod 533 and the second longitudinal sliding rod 522 are disposed on two opposite side frames of the support foot mounting seat 53, the supporting leg mounting base 53 has two hinge points, and a certain distance is provided between the two hinge points, so that the supporting leg mounting base 53 is more stable when ascending or descending under the driving of the driving mechanism 51, the first lever 521 and the second lever 522, and the overall stability of the supporting leg mounting base 53 is improved.
Further, the longitudinal sliding sleeves include a first longitudinal sliding sleeve 541 disposed on the fixed base 54 corresponding to the first longitudinal sliding rod 533 and a second longitudinal sliding sleeve 542 disposed on the fixed base 54 corresponding to the second longitudinal sliding rod 534, and the support foot mounting base 53 can move up and down along the first longitudinal sliding sleeve 541 and the second longitudinal sliding sleeve 542 under the driving of the first lever 521 and the first longitudinal sliding rod 533 and the driving of the second lever 522 and the second longitudinal sliding rod 534. In the present application, the fixing seat 54 is configured in a frame shape, so that the phenomenon that the configuration of the fixing seat 54 interferes with the movement of the first lever 521 and the second lever 522 is effectively avoided.
Further, as shown in fig. 3 to 5, the fixing seat 54 is a corresponding strip-shaped fixing frame transversely disposed at the middle position of the supporting leg mounting seat 53, two ends of the strip-shaped fixing frame are overlapped on two opposite frames of the supporting leg mounting seat 53, and the first longitudinal sliding sleeve 541 and the second longitudinal sliding sleeve 542 are disposed at positions where two ends of the strip-shaped fixing seat 54 overlap with the supporting leg mounting seat 53. First longitudinal sliding rod 533 and second longitudinal sliding rod 534 are disposed at the middle positions of the two opposite frames of support leg mounting base 53, and first longitudinal sliding sleeve 541 and second longitudinal sliding sleeve 542 are correspondingly disposed at the middle positions of the two opposite frames of fixing base 54, so that the balance of the support leg mounting base 53 can be higher, and the phenomenon that the support leg mounting base 53 is uneven when ascending or descending can be avoided.
Further, the fulcrum portion includes a first fulcrum portion disposed on the fixed base 54 near the first longitudinal sliding sleeve 541 side and a second fulcrum portion disposed near the second longitudinal sliding sleeve 542 side.
Specifically, as shown in fig. 3 and 8, the first fulcrum portion is a bracket 544, the bracket 544 is provided with a rotating shaft, the first lever 521 is provided with a rotating shaft hole which is rotatably matched with the rotating shaft of the bracket 544, and the bracket 544 serves as a fulcrum of the first lever 521. The first end of the first lever 521 can move in the vertical direction under the driving of the driving mechanism, and the second end of the first lever 521 can be lifted or dropped in the vertical direction around the bracket 544 by using the lever principle through the bracket 544 provided as a fulcrum. As shown in fig. 4 to 7, the second fulcrum portion is a rotating shaft supporting rod 545, the rotating shaft supporting rod 545 is connected to two opposite long frames of the fixing base 54, a rotating shaft hole 5221 matched with the rotating shaft supporting rod 545 is formed in the second lever 522, a first end of the second lever 522 can move in the vertical direction under the driving of the driving mechanism, and a second end of the second lever 522 can rise or fall around the rotating shaft supporting rod 545 by using the lever principle through the rotating shaft supporting rod 545, so as to drive the supporting foot mounting base 53 and all the supporting feet 531 to move up and down.
In the above solution, the position of the second lever 522 near the second end is arranged to be bent downward to form a downward bent arc portion, and the rotating shaft hole 5221 is arranged on the second lever 522 of the arc portion, so that the rotating shaft hole 5221 can be matched with the rotating shaft supporting rod 545 in the fixing seat 54.
Further, the lengths of the first longitudinal sliding rod 533 and the second longitudinal sliding rod 534 are greater than the lengths of the first longitudinal sliding sleeve 541 and the second longitudinal sliding sleeve 542, and the upper ends of the first longitudinal sliding rod 533 and the second longitudinal sliding rod 534 are hinged to the second ends of the first lever 521 and the second lever 522, respectively. The first ends of the first lever 521 and the second lever 522 move up or down under the driving of the driving mechanism 51 and the rocker arm structure 513, and the second ends of the first lever 521 and the second lever 522 press or pull the first longitudinal sliding rod 533 and the second longitudinal sliding rod 534 downwards or upwards by using the lever principle, so as to drive the supporting foot mounting base 53 and all the supporting feet 531 to move up and down.
As shown in fig. 3 to 5 and 7, when the supported device needs to be moved or 23 the height of the supported device is required to be moved, the driving motor 511 is controlled to rotate clockwise or counterclockwise, so that the rocker arm structure 513 drives the first ends of the first lever 521 and the second lever 522 to ascend, the second ends of the first lever 521 and the second lever 522 descend according to the lever principle, because the first lever 521 is hinged to the first sliding rod 533 on the supporting leg mounting base 53 and the second end of the second lever 522 is hinged to the second sliding rod 534, the second ends of the first lever 521 and the second lever 522 press the supporting leg mounting base 53 downward, the supporting leg mounting base 53 moves downward, and all the portions 531 on the supporting leg mounting base 53 extend out of the body of the supported device.
As shown in fig. 3 to 6, when the supported device does not need to be moved or the height of the supported device needs to be reduced, the driving motor 511 is controlled to rotate in the reverse direction, so that the rocker structure 513 drives the first ends of the first lever 521 and the second lever 522 to descend, the second ends of the first lever 521 and the second lever 522 rise according to the lever principle, the first lever 521 and the first sliding rod 533 on the supporting leg mounting seat 53 and the second end of the second lever 522 are respectively hinged with the second sliding rod 534, the second ends of the first lever 521 and the second lever 522 pull the supporting leg mounting seat 53 upwards, so that all the supporting legs 531 on the supporting leg mounting seat 53 are retracted into the body of the supported device, the height of the supported device is reduced, and the supporting legs 531 are retracted behind the body to support the supported device through the bottom feet at the bottom of the body, the problem that the supporting legs 531 of the lifting device 5 are easy to deform and damage due to the fact that the supporting legs 531 bear weight for a long time is effectively solved.
Example two
As shown in fig. 1 to 4 and fig. 9 and 10, the present embodiment further provides a washing machine having the lifting device 5 of the first embodiment, the washing machine includes a housing, and the lifting device 5 is disposed at the bottom of the housing.
Further, the washing machine in the present embodiment is a drawer type washing machine, and it should be noted that the lifting device 5 may be applied to various existing washing machines, such as a pulsator washing machine and a drum washing machine, and is not limited to the drawer type washing machine, and the present embodiment takes the drawer type washing machine as an example for detailed description.
Specifically, the drawer type washing machine includes an outer casing 1 having an opening at one side and a washing unit located in the outer casing 1, the washing unit may be pushed in/pulled out from the opening of the outer casing 1, the washing unit includes an inner casing 2 and a washing tub assembly disposed in the inner casing 2, the washing tub assembly includes an inner tub 3 and an outer tub 4 coaxially disposed inside and outside, the inner casing 2 is slidably fitted to the bottom of the outer casing 1 through a sliding rail assembly or through a rack and pinion transmission fitting, so that the washing unit may be drawably disposed in the outer casing 1, and the lifting device 5 is disposed at the bottom of the inner casing 2 and/or the bottom of the outer casing 1.
In one embodiment, the lifting device 5 may be disposed at the bottom of the inner casing 2, and when the washing unit is pulled out of the outer casing 1, the supporting foot mounting base 53 of the lifting device 5 is controlled to move downwards, so as to drive all supporting feet 531 on the supporting foot mounting base 53 to move downwards to protrude out of the inner casing 2; when the washing unit is pushed into the outer casing 1, the supporting leg mounting base 53 of the lifting device 5 is controlled to move upwards, so as to drive all supporting legs 531 on the supporting leg mounting base 53 to move upwards and contract inside the inner casing 2. In this scheme, the supporting legs 531 are walking wheels, preferably universal wheels.
In the above-mentioned solution, by installing the lifting device 5 at the bottom of the inner casing 2 of the drawer type washing machine, the supporting legs 531 of the lifting device 5 can be retracted into the inner casing 2 of the washing machine when the washing machine is performing a washing process. When the washing unit is taken out by taking and putting clothes, the supporting leg mounting base 53 can be moved downwards by controlling the lifting device 5, further all supporting legs 531 on the supporting leg mounting base 53 are driven to extend out of the inner shell 2, all the supporting legs 531 are supported on the ground, under the driving of the supporting legs 531, a user can pull the washing unit more easily, meanwhile, when the washing unit is pulled out, the supporting legs 531 can play a certain supporting role for the washing unit, when the washing unit is effectively prevented from being pulled out, because the supporting legs have certain weight, the bottom of the washing unit is not effectively supported, the washing unit is in a suspended state for a long time, the stress of sliding rail connection or gear connection between the inner shell 2 and the outer shell 1 is serious, and the phenomenon of damage is easy to occur.
In another scheme, the lifting device 5 may be only arranged at the bottom of the outer shell 1 of the washing machine, and preferably, the drawer-type washing machine provided in this embodiment is provided with the lifting device 5 in both the inner shell 2 and the outer shell 1, the first lifting device is arranged at the bottom of the inner shell 2 of the drawer-type washing machine, and the second lifting device is arranged at the bottom of the outer shell 1.
In the above solution, the supporting foot 531 of the second lifting device disposed at the bottom of the outer casing 1 may be a fixed supporting foot or a walking wheel. When the support legs 531 are fixed support legs, the washing machine can be stably set at a certain position, and the height of the washing machine can be adjusted by controlling the lifting of the support leg mounting base 53. When the supporting legs 531 of the second lifting device are the travelling wheels, the height of the washing machine can be adjusted, great convenience can be provided for the movement of the washing machine, when the position of the washing machine needs to be moved, the supporting leg mounting seat 53 of the second lifting device can be controlled to move downwards, so that all the supporting legs 531 on the supporting leg mounting seat 53 extend out of the outer shell 1 of the washing machine, a user can conveniently push the washing machine, and time and labor are saved. When the washing machine does not need to be moved, the supporting leg mounting base 53 can be controlled to move upwards, so that all the supporting legs 531 on the supporting leg mounting base 53 are contracted into the outer shell 1 of the washing machine.
Further, as shown in fig. 1 and fig. 2, 9 and 10, the washing machine includes a bottom stand 6 located at the bottom of the washing machine, the fixing base 54 of the lifting device is fixed on the bottom stand 6 of the washing machine by screws, and the bottom stand 6 of the washing machine is provided with a positioning hole post 61 matched with the positioning post 532 of the supporting leg mounting base 53. The inner diameter of the positioning hole column 61 is larger than the outer diameter of the positioning column 532, the positioning hole column 61 is a cylindrical hole with the upper end sealed and the lower end opened, and the positioning column 532 can be limited in the positioning hole column 61 in a vertically movable mode.
Through the location cooperation of locating column 532 of elevating gear 5 and the locating hole post 61 of washing machine base 6, can prevent effectively on the one hand that elevating gear 5 from rocking about, on the other hand locating column 532 reciprocates along locating hole post 61 and can also play the effect of certain direction, in addition, can also play certain supporting role through the cooperation of locating column 532 and locating hole post 61.
According to the lifting device and the washing machine with the lifting device, the supporting legs are arranged on the supporting leg mounting seats, so that the supporting leg mounting seats are driven to move up and down through the set of driving mechanisms and the set of linkage mechanisms, the purpose of driving all the supporting legs to rise or fall simultaneously can be achieved, the structure of the lifting device is simplified, the production cost is lower, the lifting synchronism of the supporting legs is higher, the control is more convenient, and the use and popularization are easy.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design idea of the present invention belong to the protection scope of the present invention.
Claims (10)
1. A lifting device, comprising:
a drive mechanism;
the supporting leg mounting base is provided with a plurality of supporting legs;
the linkage mechanism is connected between the driving mechanism and the supporting leg mounting seat;
the driving mechanism drives the linkage mechanism to drive the supporting leg mounting base to move up/down in the vertical direction, and further drives all the supporting legs to rise/fall.
2. The lifting device according to claim 1, characterized in that:
the lifting device also comprises a fixed seat for installing and fixing the lifting device, and the fixed seat of the lifting device is positioned above the supporting foot installation seat;
the supporting leg mounting seat is characterized in that a longitudinal sliding sleeve is arranged on the fixing seat, a longitudinal sliding rod capable of moving up and down along the longitudinal sliding sleeve is arranged on the supporting leg mounting seat, the upper end of the longitudinal sliding rod is hinged to the linkage mechanism, and the supporting leg mounting seat can move up and down relative to the fixing seat under the driving of the linkage mechanism and the longitudinal sliding rod.
3. The lifting device according to claim 2, characterized in that:
the fixed seat is arranged at the middle position above the supporting foot mounting seat, and avoidance grooves capable of avoiding the movement of the linkage mechanism are arranged on the fixed seat and the supporting foot mounting seat;
preferably, the fixed seat and the supporting foot mounting seat are enclosed by a plurality of frames, and two ends of the fixed seat are lapped and arranged at the middle positions of any two frames relative to the supporting foot mounting seat.
4. The lifting device according to claim 3, characterized in that:
the supporting legs are walking wheels or fixed supporting legs, and one or more supporting legs are arranged on each frame of the supporting leg mounting base;
preferably, the supporting legs are arranged at the connecting positions of two adjacent frames of the supporting leg mounting base.
5. A lifting device as claimed in any one of claims 2 to 4, characterized in that:
the linkage mechanism comprises a lever structure, wherein the first end of the lever structure is connected to the output end of the driving mechanism, and the second end of the lever structure is connected to the longitudinal sliding rod;
the fixing seat is provided with a fulcrum part hinged with the lever structure, the fulcrum part is hinged between the first end and the second end of the lever structure, and the driving mechanism drives the first end and the second end of the lever structure to reciprocate up and down around the fulcrum part so as to drive the supporting leg mounting seat to move up and down in the vertical direction.
6. The lifting device according to claim 5, wherein:
the longitudinal sliding rod comprises a first longitudinal sliding rod and a second longitudinal sliding rod which are arranged on the supporting foot mounting seat, and the lever structure comprises a first lever and a second lever, wherein the first lever is connected to the first longitudinal sliding rod, and the second lever is connected to the second longitudinal sliding rod;
the longitudinal sliding sleeve comprises a first longitudinal sliding sleeve and a second longitudinal sliding sleeve which are arranged on the fixed seat corresponding to the first longitudinal sliding rod and the second longitudinal sliding rod, and the supporting leg mounting seat can move up and down along the first longitudinal sliding sleeve and the second longitudinal sliding sleeve under the driving of the first lever and the first longitudinal sliding rod and the driving of the second lever and the second longitudinal sliding rod.
7. A lifting device as claimed in any one of claims 2 to 4, characterized in that:
the driving mechanism comprises a driving motor and a speed reducer which are fixed on the fixed seat, the output end of the speed reducer is connected with a rocker arm structure, one end of the rocker arm structure is connected with an output shaft of the speed reducer, and the other end of the rocker arm structure is connected with the linkage mechanism.
8. A washing machine comprising a housing, characterized in that: the washing machine has the lifting device of any one of claims 1 to 7, which is provided at the bottom of the housing.
9. The washing machine as claimed in claim 8, wherein:
the washing machine comprises an outer shell with an opening on one side and a washing unit positioned in the outer shell, wherein the washing unit can be pushed in/pulled out from the opening of the outer shell, the washing unit comprises an inner shell and a washing barrel assembly arranged in the inner shell, and the lifting device is arranged at the bottom of the inner shell and/or the bottom of the outer shell.
10. A washing machine as claimed in claim 8 or 9, characterized in that:
washing machine is including being located the bottom platform of washing machine bottom, elevating gear fixes on washing machine's bottom platform, supporting legs mount pad upper surface is provided with a plurality of reference columns, be provided with on washing machine's the bottom platform with reference column matched with location hole post, the reference column can be spacing with reciprocating in the location hole post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010428802.8A CN113699757A (en) | 2020-05-20 | 2020-05-20 | Lifting device and washing machine with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010428802.8A CN113699757A (en) | 2020-05-20 | 2020-05-20 | Lifting device and washing machine with same |
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| Publication Number | Publication Date |
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| CN113699757A true CN113699757A (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010428802.8A Pending CN113699757A (en) | 2020-05-20 | 2020-05-20 | Lifting device and washing machine with same |
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| KR20030031348A (en) * | 2001-10-15 | 2003-04-21 | 엘지전자 주식회사 | Drawer type washing machine and method for assembling the same |
| KR200417677Y1 (en) * | 2006-02-13 | 2006-06-02 | 주식회사 승리 | drum washer having ascent apparatus |
| US20120025050A1 (en) * | 2010-07-02 | 2012-02-02 | Oliver Joen-An Ma | Movable base with control surface |
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