CN114717803A - Lifting base and washing machine with same - Google Patents
Lifting base and washing machine with same Download PDFInfo
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- CN114717803A CN114717803A CN202110009208.XA CN202110009208A CN114717803A CN 114717803 A CN114717803 A CN 114717803A CN 202110009208 A CN202110009208 A CN 202110009208A CN 114717803 A CN114717803 A CN 114717803A
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- supporting rod
- sliding block
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- 238000005406 washing Methods 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/001—Arrangements for transporting, moving, or setting washing machines; Protective arrangements for use during transport
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- Textile Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a lifting base, comprising: a fixed seat; the driving module comprises a power part, a transmission part and a sliding block; the middle part of the supporting rod is rotatably arranged on the fixed seat; the power part is arranged on the fixing seat, the power part drives the sliding block to slide up and down on the fixing seat through the transmission part, the sliding block drives one end of the supporting rod to move, and the other end of the supporting rod drives the lifting foot on the end part to lift in the vertical direction. The invention also discloses a washing machine with the lifting base, and the lifting base is arranged on a bottom table of the washing machine. According to the lifting base provided by the invention, the plurality of supporting rods extending along any direction can be driven to lift at the same time by driving the sliding block to move up and down through the power part, the mounting and the arrangement of the whole structure are facilitated, the structural design is more reasonable, the lifting base is driven by adopting the sliding block, the operation is safer and more reliable, and the production cost is lower.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a lifting base and a washing machine with the same.
Background
The lifting base of the existing washing machine is only lifted by two wheels, and can be pulled only by manually inclining the washing machine, and is inconvenient to move and poor in stability. Although some washing machine lifting bases are lifted by four wheels, most of the washing machine lifting bases are driven by hydraulic and pneumatic devices arranged on bottom supporting plates of a washing machine body, so that the cost is high, and the washing machine lifting bases are not suitable for large-scale popularization and application. The prior art also has certain problems, such as time and labor waste; the wheel body of the caster wheel directly contacts the ground to bear weight, and the wheel body is easy to deform and damage and lose function when in use, so that the body of the washing machine inclines and 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. Two output shafts of the motor with double output shafts are respectively connected with input ends of two speed reducers, output ends of the speed reducers are in pivot connection with first ends of connecting rods through cams, and second ends of the connecting rods are in pivot connection with the travelling wheels. The motor with double output shafts drives the first end of the connecting rod to rotate around the pivoting end through the speed reducer and the cam, so that the second end of the connecting rod drives the traveling wheels to move in the vertical direction, and the washing machine body is lifted or dropped.
The lifting device disclosed in the application can realize automatic lifting and moving of the washing machine, and has a simpler structure compared with a hydraulic device and an air pressure device, but the lifting device is driven to lift in a mode of adopting a double-output-shaft motor and cam connecting rods, and the cam connecting rods are in point and line contact, so that the lifting device is easy to wear, low in reliability, high in processing cost and higher in precision requirement. And through adopting the mode of cam connecting rod to drive, the extending direction of connecting rod will receive the direction of rotation restriction of cam, only guarantees that the extending direction of connecting rod is the state that is relatively parallel with the direction of rotation of cam, just can guarantee the smooth normal oscilaltion of connecting rod, and the overall structure's of not being convenient for design is arranged.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a lifting base, wherein a driving module of the lifting base is driven by adopting a sliding block mode, one sliding block can simultaneously drive a plurality of supporting rods extending along any direction to lift, so that the whole structure is convenient to install and arrange, the structural design is more reasonable, the operation is safer and more reliable, and the production cost is lower.
In order to solve the technical problems, the invention adopts the technical scheme that:
a lifting base, comprising:
a fixed seat;
the driving module comprises a power part, a transmission part and a sliding block;
the middle part of the supporting rod is rotatably arranged on the fixed seat;
the power part is arranged on the fixing seat, the power part drives the sliding block to slide up and down on the fixing seat through the transmission part, the sliding block drives one end of the supporting rod to move, and the other end of the supporting rod drives the lifting foot on the end part to lift in the vertical direction.
Furthermore, a supporting table is arranged on the sliding block, one end of the supporting rod is supported on the supporting table in a lap joint mode, the sliding block slides upwards under the driving of the power component, and the supporting table of the sliding block pushes one end of the supporting rod to move upwards, so that the other end of the supporting rod drives the lifting foot to move downwards.
Furthermore, the supporting table comprises a first supporting table and a second supporting table which are positioned at two sides of the sliding block, and the supporting rod comprises a first supporting rod and a second supporting rod, wherein the first supporting rod and the second supporting rod are respectively supported on the first supporting table and the second supporting table in an overlapping mode;
the lifting foot comprises a longitudinal supporting column which is connected to the first supporting rod and the second supporting rod respectively and far away from the lower part of the side end of the supporting table, and the longitudinal supporting column can penetrate through the fixed seat and can slide up and down in the vertical direction.
Furthermore, the lifting foot further comprises a sliding wheel fixedly connected to the lower end of the longitudinal supporting column, a compression spring is sleeved on the upper portion of the longitudinal supporting column and is in compression abutting connection between the end portion of the supporting rod and the fixing seat.
Furthermore, the support rod is a curved rod, one end of the curved rod is in lap joint fit with the support table, the other end of the curved rod is fixedly connected with the lifting foot, and a hinge part which can be in hinge fit with the fixed seat is formed in the middle of the curved rod;
the supporting platform comprises a horizontal supporting plate which is horizontally arranged, the end part of the curved bar close to the supporting platform side is provided with a horizontal lap joint section which is horizontally arranged, and the horizontal lap joint section is supported on the horizontal supporting plate in a lap joint manner;
preferably, a one-way damper is arranged at a hinged position in the middle of the curved bar, and the one-way damper generates damping force when the lifting base falls.
Furthermore, the supporting table further comprises a first vertical limiting plate and a second vertical limiting plate which are connected to two adjacent edges of the horizontal supporting plate, and the first vertical limiting plate and the second vertical limiting plate and the horizontal supporting plate form a corner supporting table.
Furthermore, the power component is a driving motor which can be kept at a power-off position in a self-locking mode in a power-off state, and a position switch electrically connected with the driving motor is arranged at a set height position above the fixed seat;
and a limiting trigger part is arranged on the slide block corresponding to the position switch, and when the slide block rises to a set height position, the limiting trigger part triggers the position switch to act, so that the driving motor is kept at a power-off position when the power is off.
Furthermore, the transmission component comprises a gear connected to the output end of the transmission component and a rack correspondingly and fixedly arranged on the sliding block, the driving module further comprises a base shell fixed on the fixed seat, the power component is fixedly arranged in the base shell, and a sliding groove is formed in one side of the base shell;
the slider sliding connection be in the spout, the centre of slider has the opening of dodging the gear, sets firmly one and extends the rack that sets up along vertical direction near the position of opening side on the slider, the gear rotates the drive rack and reciprocates under the drive of power part, and then drives whole slider and reciprocate.
Furthermore, the fixing seat is in a frame shape formed by four side frames, and at least two driving modules are arranged on two opposite side frames of the fixing seat respectively.
The invention also provides a washing machine with the lifting base, and the lifting base is mounted on a base platform of the washing machine.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
According to the lifting base provided by the invention, the power part drives the sliding block to move up and down, so that the plurality of supporting rods extending along any direction can be driven to lift at the same time, the mounting and the arrangement of the whole structure are facilitated, the structural design is more reasonable, the lifting base is driven by adopting the sliding block mode, the operation is safer and more reliable, and the production cost is lower.
According to the lifting base provided by the invention, the driving module is driven in a gear and rack mode, so that the operation is more stable and the cost is lower. And still be provided with one-way damper on the bracing piece, produce damping force when the lifting base whereabouts for the lifting base can slowly descend, and the noise is low, and user's use experience is better.
According to the washing machine provided by the invention, by adopting the lifting base, a plurality of supporting platforms can be arranged on one sliding block, and the supporting rods extending from the sliding block to different directions on the periphery are respectively overlapped and supported on the plurality of supporting platforms, so that the lifting of the whole washing machine can be driven at least through one driving module, and the production cost of the washing machine is greatly reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of an embodiment of the present invention after a lifting base and a washing machine base are assembled;
FIG. 2 is a schematic top view of the lifting base and washing machine base assembly of an embodiment of the present invention;
FIG. 3 is a side view of the assembled lifting pedestal and washing machine base in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a lifting base according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a lift base in an embodiment of the present invention;
FIG. 6 is a schematic structural view of FIG. 4 with the fixing base removed in an embodiment of the present invention;
FIG. 7 is a schematic structural view of FIG. 5 with the fixing base removed in an embodiment of the present invention;
FIG. 8 is a schematic view of a single drive module engaged with two support rods according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a driving module according to an embodiment of the present invention;
FIG. 10 is a schematic top view of a drive module in an embodiment of the invention;
in the figure:
1. a fixed seat;
2. a drive module; 201. a first driving module; 202. a second driving module;
21. a base shell; 211. a drive motor; 212. a gear;
22. a slider; 2201. a support table;
221. a first support table; 2211. a horizontal support plate; 2212. a first vertical limiting plate; 2213. a second vertical limiting plate;
222. a second support table;
223. a rack; 224. a sliding connection frame; 225. an extended connecting wall; 226. a limiting trigger part;
3. a support bar; 31. a horizontal lap joint section; 32. a hinge portion; 33. a one-way damper; 301. a first support bar; 302. a second support bar; 303. a third support bar; 304. a fourth support bar;
4. a lifting foot; 41. a longitudinal support column; 42. a sliding wheel; 43. a compression spring;
5. a position switch; 51. a trigger button; 52. a wiring terminal;
6. a washing machine base; 61. and fixing the supporting legs.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it for those skilled in the art by reference to specific embodiments.
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", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, 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 the following examples:
as shown in fig. 1 to fig. 8, the present embodiment provides a lifting base, including: a fixed seat 1; the driving module 2 comprises a power component, a transmission component and a slide block 22; the middle part of the support rod 3 is rotatably arranged on the fixed seat 1; the power part sets up on fixing base 1, and power part passes through drive assembly drive slider 22 and slides from top to bottom on fixing base 1, the one end motion of slider 22 drive bracing piece 3, the other end of bracing piece 3 drives lift foot 4 on the tip and goes up and down in vertical direction. The lifting base provided by the embodiment of the invention is driven by adopting the sliding block 22, so that the operation is safer and more reliable, and the production cost is lower.
Further, a supporting table 2201 is arranged on the slider 22, one end of the supporting rod 3 is supported on the supporting table 2201 in an overlapping manner, the slider 22 slides upwards under the driving of the power component, and the supporting table 2201 of the slider 22 pushes one end of the supporting rod 3 to move upwards, so that the other end of the supporting rod 3 drives the lifting foot 4 to move downwards, and the whole lifting base is lifted upwards. When the slider 22 slides downwards under the driving of the power component, one end of the support rod 3, which is lapped on the support table 2201, descends along with the downward movement of the slider 22, and the other end of the support rod 3 drives the lifting foot 4 to move upwards, so that the whole lifting base falls and returns to the initial position.
In an embodiment, after one end of the supporting rod 3 is overlapped on the supporting table 2201, the supporting rod may be connected and fixed by a connecting element, so as to ensure the stability of the fit between the supporting rod 3 and the supporting table 2201.
A plurality of supporting tables 2201 may be simultaneously disposed on one slider 22 of the lifting base provided in the embodiment of the present invention, and a plurality of supporting rods 3 extending in different directions are respectively driven by the plurality of supporting tables 2201, for example: the driving module 2 may be disposed at a middle position of the fixing base 1, the power component is fixed at a central position of the fixing base 1, and the sliding block 22 is also located at the central position of the fixing base 1. In a scheme, four supporting tables 2201 are arranged at intervals around the sliding block 22, the number of the supporting rods 3 is four, the four supporting rods 3 extend towards the periphery of the fixing base 1, the four supporting rods 3 can be driven to lift through the sliding block 22, and then the lifting base is driven to lift.
Of course, the number of the support tables 2201 provided on the slider 22 is not limited to four, and three, five, or six support tables 2201 may be provided on one slider 22 to realize the lifting of the entire lifting base by one driving module 2.
In the above solution, a plurality of supporting platforms 2201 can be disposed on one slider 22, the supporting rods 3 extending from the slider 22 to different directions are respectively supported on the plurality of supporting platforms 2201 in an overlapping manner, and the whole lifting base can be driven to lift by a driving module 2, so that the production cost is greatly reduced. Of course, in order to increase the driving force, two or four driving modules 2 may be used to simultaneously drive the driving module.
In this embodiment, two support tables 2201 are provided on one slider 22, and one elevating base is driven by two driving modules 2.
In this embodiment, as shown in fig. 4 and 5, the fixing base 1 has a frame shape formed by four side frames, and the fixing base 1 is preferably made of a metal alloy material, so that the fixing base is light and high in strength. The fixing seat 1 comprises a first frame, a second frame and a third frame which are connected to two ends of the first frame, and a fourth frame which is arranged opposite to the first frame. The number of the driving modules 2 is at least two, and the driving modules include a first driving module 201 and a second driving module 202, and the first driving module 201 and the second driving module 202 are respectively arranged on two opposite frames of the fixing base 1.
As shown in fig. 6 to 10, the supporting table 2201 includes a first supporting table 221 and a second supporting table 222 located at two sides of the slider 22, the supporting rod 3 includes a first supporting rod 301 supported on the first supporting table 221 in a lap joint manner and a second supporting rod 302 supported on the second supporting table 222 in a lap joint manner, the lifting foot 4 includes a longitudinal supporting rod 41 connected below the end portion of the first supporting rod 301 and the end portion of the second supporting rod 302 away from the supporting table 2201, respectively, and the longitudinal supporting rod 41 can pass through the fixing base 1 and can slide up and down in the vertical direction.
In this embodiment, the first driving module 201 and the second driving module 202 are arranged in the following two manners.
The first scheme is as follows:
the first driving module 201 and the second driving module 202 may be respectively disposed at middle positions of two opposite side frames, and the extending directions of the first supporting rod 301 and the second supporting rod 302 are located on the same straight line.
Specifically, the support rods 3 include a first support rod 301 and a second support rod 302 in driving fit with the first driving module 201, and a third support rod 303 and a fourth support rod 304 in driving fit with the second driving module 202.
Correspondingly, the second driving module 202 is arranged in the middle of the fourth frame, the two opposite sides of the slider 22 of the second driving module 202 are respectively provided with a third supporting table and a fourth supporting table, the first ends of the third supporting rod 303 and the fourth supporting rod 304 are respectively supported on the third supporting table and the fourth supporting table in a lap joint manner, the second ends of the third supporting rod 303 and the fourth supporting rod 304 respectively extend to the end parts of the two sides of the fourth frame, and the middle parts of the third supporting rod 303 and the fourth supporting rod 304 are respectively connected with the fourth frame in a rotating manner. The second ends of the first supporting rod 301, the second supporting rod 302, the third supporting rod 303 and the fourth supporting rod 304 are distributed at four corner positions of the fixing seat 1, and the end parts of the first supporting rod, the second supporting rod 302, the third supporting rod 303 and the fourth supporting rod 304 are respectively connected with the lifting feet 4, so that the lifting base can be stably supported.
In the above solution, the first driving module 201 may also be disposed at the middle position of the second frame, and the corresponding second driving module 202 is disposed at the middle position of the third frame, in a manner the same as that in the above solution, in which the first driving module 201 is disposed at the middle position of the first frame, and the second driving module 202 is disposed at the middle position of the fourth frame, which is not described herein again.
The second scheme is as follows:
as shown in fig. 1 to 8, the first driving module 201 and the second driving module 202 may be respectively disposed at the same side end position of the two frames, and the extending directions of the first supporting rod 301 and the second supporting rod 302 are in a relatively vertical state.
Specifically, the support rods 3 include a first support rod 301 and a second support rod 302 in driving fit with the first driving module 201, and a third support rod 303 and a fourth support rod 304 in driving fit with the second driving module 202.
The first driving module 201 is disposed at an end of the first frame near the second frame, the adjacent two sides of the slider 22 of the first driving module 201 are respectively provided with a first supporting platform 221 and a second supporting platform 222, the first end of the first supporting rod 301 is supported on the first supporting platform 221 in an overlapping manner, and the second end of the first supporting rod is extended along the first frame toward the third frame. The first end of the second support bar 302 is supported on the second support platform 222 in a lap joint manner, and the second end extends along the second frame toward the fourth frame. The middle part of the first supporting rod 301 is rotatably connected with the first frame, and the middle part of the second supporting rod 302 is rotatably connected with the second frame.
Correspondingly, the second driving module 202 is disposed at an end position on the fourth frame near the second frame, and a third supporting table and a fourth supporting table are respectively disposed on two adjacent side surfaces of the slider 22 of the second driving module 202. The first end of the third support bar 303 is supported on the third support platform in an overlapping manner, and the second end of the third support bar extends along the second frame in a direction towards the first frame. The first end of the fourth supporting rod 304 is supported on the fourth supporting platform in an overlapping manner, and the second end of the fourth supporting rod extends along the fourth frame in a direction towards the third frame. The middle part of the third support bar 303 is rotatably connected with the second frame, and the middle part of the fourth support bar 304 is rotatably connected with the fourth frame.
As shown in fig. 6 and 7, the second ends of the first support rod 301, the second support rod 302, the third support rod 303, and the fourth support rod 304 are distributed at four corner positions of the fixing base 1, and the ends are respectively connected with the lifting feet 4, so that the first driving module 201 and the second driving module 202 can stably support the lifting base.
In the two schemes, the lifting foot 4 connected to the second ends of the first support rod 301, the second support rod 302, the third support rod 303 and the fourth support rod 304 further comprises a sliding wheel 42 fixedly connected to the lower end of the longitudinal support column 41, and the movement of the lifting base is facilitated through the arranged sliding wheel 42.
Preferably, the sliding wheel 42 in this embodiment is two unidirectional wheels, two universal wheels, and the cost is lower. A longitudinal sliding sleeve which is arranged in a penetrating mode is arranged on the fixing seat 1 corresponding to the position of the longitudinal supporting rod 3, the longitudinal supporting rod 3 can move up and down along the longitudinal sliding sleeve, the length of the longitudinal supporting rod 3 is far larger than the depth of the longitudinal sliding sleeve, and therefore the longitudinal supporting rod 3 can extend out of the longitudinal sliding sleeve for a certain distance to lift the lifting base.
Preferably, as shown in fig. 4 and 6, a compression spring 43 is sleeved on the upper portion of the longitudinal supporting column 41, the compression spring 43 is compressed and abutted between the end portion of the supporting rod 3 and the fixing seat 1, and the compression spring 43 is arranged to play a certain buffering role, so that the supporting rod 3 is prevented from generating abnormal noise during the operation of the washing machine.
In this embodiment, the support rod 3 is a curved rod having a first end in lap joint with the support table 2201 and a second end connected and fixed with the lifting foot 4, a hinge portion 32 capable of being in hinge joint with the fixing base 1 is formed in the middle of the curved rod, and the curved rod includes a first section extending downward from the first end to the middle hinge portion 32 and a second section extending upward from the middle hinge portion 32 to the second end. The lengths of the first and second sections of the crank lever may be determined by calculation according to the rising height of the washing machine.
The hinge part 32 is provided with a hinge shaft, the fixing base 1 is correspondingly provided with a hinge hole in fit with the hinge shaft, and the hinge shaft in the middle of the support rod 3 is rotatably connected to the hinge hole.
Preferably, a one-way damper 33 is disposed at a hinge position of the middle portion of the curved bar, the one-way damper 33 is connected to the hinge shaft, and the one-way damper 33 generates a damping force when the elevating base falls. The damper has no damping force when the washing machine rises and has damping force when the washing machine falls, so that the washing machine can slowly fall, and the phenomenon that the washing machine vibrates greatly to generate larger noise is avoided.
In this embodiment, as shown in fig. 2, 8 to 9, the supporting table 2201 includes a horizontal supporting plate 2211 horizontally disposed, the end of the curved rod near the supporting table 2201 side has a horizontally extending horizontal overlapping section 31, and the horizontal overlapping section 31 is supported on the horizontal supporting plate 2211 in an overlapping manner. By the horizontal lapping section 31 arranged at the end part of the curved bar close to the supporting table 2201 side, the curved bar is more stably matched with the supporting table 2201, and the curved bar is prevented from sliding off the supporting table 2201.
Further, the supporting table 2201 further comprises a first vertical limiting plate 2212 and a second vertical limiting plate 2213 connected to two adjacent edges of the horizontal supporting plate 2211, and the first vertical limiting plate 2212 and the second vertical limiting plate 2213 form a corner supporting table 2201 with the horizontal supporting plate 2211. The position of the curved bar can be limited by the arrangement of the first vertical limiting plate 2212 and the second vertical limiting plate 2213, so that the curved bar is prevented from being separated from the support table 2201.
Or, in another scheme, the support table 2201 further includes a third vertical limiting plate, the first vertical limiting plate 2212, the second vertical limiting plate 2213 and the third vertical limiting plate are sequentially connected to three edges of the horizontal support plate 2211, so as to form a semi-closed opening support table 2201 with a peripheral side surface closed on three sides and an opening on one side, and the opening direction of the opening support table 2201 is the same as the extending direction of the support rod 3.
Further, as shown in fig. 6 to 10, the power component is a driving motor 211 which can be self-locked and kept at a power-off position in a power-off state, a position switch 5 electrically connected with the driving motor 211 is arranged at a set height position above the fixed seat 1, and the position switch 5 is provided with a connecting terminal 52 connected with the driving motor 211. A limit trigger part 226 is disposed on the slide block 22 corresponding to the position switch 5, and when the slide block 22 is lifted to a set height position, the limit trigger part 226 triggers the position switch 5 to operate, so that the driving motor 211 is powered off and kept at a power-off position.
Specifically, as shown in fig. 9, a trigger button 51 is disposed below the position switch 5, and the limit trigger portion 226 is a limit boss formed by extending the slider 22 downward toward the trigger button 51. When the slide block 22 is lifted to a set position, the upper wall surface of the limit boss is pressed below the trigger button 51 to trigger the position switch 5 to act, so that the driving motor 211 is powered off, and the lifting base is kept at a set height position.
Further, as shown in fig. 8 to 10, the transmission component includes a gear 212 connected to the output end of the transmission component and a rack 223 correspondingly and fixedly disposed on the slider 22, and the driving motor 211 drives the rack 223 to move by using the gear 212, so that the displacement is relatively large. The driving module 2 further comprises a base shell 21 fixed on the fixing seat 1, the power component is fixedly arranged in the base shell 21, and a sliding groove is formed in one side of the base shell 21.
The sliding block 22 is connected in the sliding groove in a sliding mode, an opening avoiding the gear 212 is formed in the middle of the sliding block 22, a rack 223 which extends in the vertical direction is fixedly arranged on the sliding block 22 close to the opening, the gear 212 drives the rack 223 to move up and down in a rotating mode under the driving of the power part, and therefore the whole sliding block 22 is driven to move up and down.
Specifically, the base housing 21 includes a mounting portion for accommodating and mounting the driving motor 211 and a slide groove portion for slidably fitting with the slide 22. Be used for the holding installation in the installation department driving motor 211's installation cavity, installation cavity one side opening sets up and supplies driving motor 211's output shaft passes. The sliding groove portion is formed by extending two side walls of the mounting portion outwards and then turning the mounting portion inwards, and a sliding groove for the sliding block 22 to move up and down is formed in the sliding groove portion.
The sliding block 22 includes a sliding connection frame 224 which is slidably disposed in the sliding slot of the base housing 21, and two side frames of the sliding connection frame 224 are disposed in the sliding slot and can move up and down along the sliding slot.
The gear 212 is located in the sliding connection frame 224, a rack 223 extending in the vertical direction is fixedly arranged on the sliding connection frame 224 near the side of the gear 212, and the rack 223 is fixedly connected between the upper and lower frames of the sliding connection frame 224. When the gear 212 is driven by the power component to rotate, the rack 223 can be driven to move up and down, and then the whole slide block 22 is driven to move up and down, so that the purpose of driving the lifting base to lift is achieved.
In this embodiment, the first supporting platform 221 is connected to the outer side surface of the sliding connection frame 224, which is far away from the driving motor 211, the first supporting platform 221 is a corner supporting seat formed by a horizontal supporting plate 2211, a first vertical limiting plate 2212 and a second vertical limiting plate 2213, and the first vertical limiting plate 2212 is connected to the sliding connection frame 224 through a connecting wall.
The second supporting platform 222 is connected to the outside of the other end of the sliding connection frame 224, the second supporting platform 222 is located outside the base shell 21, the second supporting platform 222 is a corner supporting seat formed by a horizontal supporting plate 2211, a first vertical limiting plate 2212 and a second vertical limiting plate 2213, wherein the first vertical limiting plate 2212 is connected to the sliding connection frame 224 through an extending connection wall 225 with an L-shaped cross section.
As shown in fig. 8 and 9, the limit boss protrudes and extends from the end face of the lower frame of the sliding connection frame 224 to the position switch 5 side, and the position switch 5 is correspondingly and fixedly arranged at a set height position on the outer wall of the base shell 21.
As shown in fig. 1 to 3, the embodiment of the present invention further provides a washing machine having the above-mentioned lifting pedestal, wherein the lifting pedestal is mounted on a bottom platform of the washing machine. Four corner positions of the bottom platform of the washing machine are respectively provided with a fixed supporting leg 61. The washing machine may be driven by two driving modules 2, or may be driven by four driving modules 2 disposed at four corner positions of the washing machine base 6. Preferably, the washing machine in this embodiment is driven by two driving modules 2, a first driving module 201 and a second driving module 202.
As shown in fig. 1 to 5, when receiving a lifting instruction, the driving motor 211 of the driving module 2 starts to drive the gear 212 to drive the rack 223 to move upwards, and further drives the entire slider 22 to move upwards, the supporting platform 2201 on the slider 22 drives one end of the supporting rod 3 to move, the middle part of the supporting rod 3 rotates through the hinge shaft, the other end of the supporting rod 3 presses the lifting foot 4 to move downwards, so that the sliding wheel 42 moves downwards, when the bottommost end of the sliding wheel 42 is lower than the bottommost end of the fixed supporting foot 61 below the washing machine base 6, the whole washing machine is lifted, the limit triggering part 226 of the slider 22 moves upwards to a set position, the position switch 5 is triggered to operate, and the driving motor 211 is powered off to keep the position. When the driving motor 211 receives a lowering command, the driving motor 211 is electrified and released, and the washing machine slowly descends until the fixed supporting leg 61 completely lands under the action of the one-way damper 33.
According to the washing machine provided by the embodiment, by adopting the lifting base described in the above embodiment, a plurality of supporting tables 2201 can be arranged on one sliding block 22, and the supporting rods 3 extending from the sliding block 22 to different directions are respectively overlapped and supported on the plurality of supporting tables 2201, so that the whole washing machine can be driven to lift at least by one driving module 2, and the production cost of the washing machine is greatly reduced.
Of course, the lifting base provided by the invention is not limited to be applied to washing machines, and can also be applied to other household appliances such as dishwashers, refrigerators, disinfection cabinets and the like.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (10)
1. A lifting base, comprising:
a fixed seat;
the driving module comprises a power part, a transmission part and a sliding block;
the middle part of the supporting rod is rotatably arranged on the fixed seat;
the power part is arranged on the fixing seat, the power part drives the sliding block to slide up and down on the fixing seat through the transmission part, the sliding block drives one end of the supporting rod to move, and the other end of the supporting rod drives the lifting foot on the end part to lift in the vertical direction.
2. The elevating base as set forth in claim 1, wherein:
the supporting platform is arranged on the sliding block, one end of the supporting rod is supported on the supporting platform in a lap joint mode, the sliding block slides upwards under the driving of the power component, and the supporting platform of the sliding block pushes one end of the supporting rod to move upwards, so that the other end of the supporting rod drives the lifting foot to move downwards.
3. The elevating base as set forth in claim 2, wherein:
the supporting tables comprise a first supporting table and a second supporting table which are positioned at two sides of the sliding block, and the supporting rods comprise a first supporting rod and a second supporting rod, wherein the first supporting rod and the second supporting rod are respectively supported on the first supporting table and the second supporting table in an overlapping mode;
the lifting foot comprises a longitudinal supporting column which is connected to the first supporting rod and the second supporting rod respectively and far away from the lower part of the side end of the supporting table, and the longitudinal supporting column can penetrate through the fixed seat and can slide up and down in the vertical direction.
4. The elevating base as set forth in claim 3, wherein:
the lifting foot further comprises a sliding wheel fixedly connected to the lower end of the longitudinal supporting column, a compression spring is sleeved on the upper portion of the longitudinal supporting column and is in compression abutting connection between the end portion of the supporting rod and the fixing seat.
5. The elevating base as set forth in any one of claims 2-4, wherein:
the support rod is a curved rod, one end of the curved rod is in lap joint fit with the support table, the other end of the curved rod is fixedly connected with the lifting foot, and a hinge part which can be in hinge fit with the fixed seat is formed in the middle of the curved rod;
the supporting platform comprises a horizontal supporting plate which is horizontally arranged, the end part of the curved bar close to the supporting platform side is provided with a horizontal lap joint section which is horizontally arranged, and the horizontal lap joint section is supported on the horizontal supporting plate in a lap joint manner;
preferably, a one-way damper is arranged at a hinged position in the middle of the curved bar, and the one-way damper generates damping force when the lifting base falls.
6. The elevating base as set forth in claim 5, wherein:
the supporting table further comprises a first vertical limiting plate and a second vertical limiting plate which are connected to two adjacent edges of the horizontal supporting plate, and the first vertical limiting plate and the second vertical limiting plate and the horizontal supporting plate form a corner supporting table.
7. The elevating base as set forth in any one of claims 1-6, wherein:
the power part is a driving motor which can be self-locked and kept at a power-off position in a power-off state, and a position switch electrically connected with the driving motor is arranged at a set height position above the fixed seat;
and a limiting trigger part is arranged on the slide block corresponding to the position switch, and when the slide block rises to a set height position, the limiting trigger part triggers the position switch to act, so that the driving motor is kept at a power-off position when the power is off.
8. The elevating base as set forth in any one of claims 1-7, wherein:
the driving module comprises a driving component, a power component and a sliding block, wherein the driving component comprises a gear connected to the output end of the driving component and a rack correspondingly and fixedly arranged on the sliding block, the driving module further comprises a base shell fixedly arranged on the fixed seat, the power component is fixedly arranged in the base shell, and one side of the base shell is provided with a sliding groove;
the slider sliding connection be in the spout, the centre of slider has the opening of dodging the gear, sets firmly one and extends the rack that sets up along vertical direction near the position of opening side on the slider, the gear rotates the drive rack and reciprocates under the drive of power part, and then drives whole slider and reciprocate.
9. The elevating base as set forth in any one of claims 1-8, wherein:
the fixing seat is in a frame shape formed by four side frames, and at least two driving modules are arranged on the two opposite side frames of the fixing seat respectively.
10. A washing machine having a lifting base as claimed in any one of claims 1 to 9, wherein the lifting base is mounted on a base plate of the washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110009208.XA CN114717803A (en) | 2021-01-05 | 2021-01-05 | Lifting base and washing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110009208.XA CN114717803A (en) | 2021-01-05 | 2021-01-05 | Lifting base and washing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114717803A true CN114717803A (en) | 2022-07-08 |
Family
ID=82234300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110009208.XA Pending CN114717803A (en) | 2021-01-05 | 2021-01-05 | Lifting base and washing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114717803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099215A1 (en) * | 2022-11-11 | 2024-05-16 | 重庆海尔洗衣机有限公司 | Liftable base for washing apparatus, and washing apparatus |
-
2021
- 2021-01-05 CN CN202110009208.XA patent/CN114717803A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099215A1 (en) * | 2022-11-11 | 2024-05-16 | 重庆海尔洗衣机有限公司 | Liftable base for washing apparatus, and washing apparatus |
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