CN115702763A - Lifting device and cleaning equipment - Google Patents
Lifting device and cleaning equipment Download PDFInfo
- Publication number
- CN115702763A CN115702763A CN202110915650.9A CN202110915650A CN115702763A CN 115702763 A CN115702763 A CN 115702763A CN 202110915650 A CN202110915650 A CN 202110915650A CN 115702763 A CN115702763 A CN 115702763A
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- CN
- China
- Prior art keywords
- mounting bracket
- sleeve
- assembly
- driving
- lifting device
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
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Abstract
The embodiment of the application provides a lifting device, be used for cleaning device, this lifting device includes the installing support, the driving piece, transmission assembly and carrier assembly, the driving piece is installed on the installing support, transmission assembly rotationally sets up on the installing support, transmission assembly and driving piece drive are connected, carrier assembly rotates with transmission assembly to be connected, so that transmission assembly drives carrier assembly through rotating under the drive of driving piece and rises or descend, that is to say, in lifting device's use, when needs hinder more, can drive transmission assembly through control driving piece and rotate, and then control carrier assembly rises, with the ability of hindering more that improves lifting device, when needs are clean, control carrier assembly descends to the suitable position, in order to clean ground, therefore, the lifting device that this application embodiment provided can improve and hinder more ability.
Description
Technical Field
The application relates to the technical field of cleaning equipment, in particular to a lifting device and cleaning equipment.
Background
In the related art, the commercial cleaning device mainly cleans the ground, the ground has water stains after the commercial cleaning device with the rolling and brushing mechanism works, although the cleaning device with the cleaning cloth can absorb the water stains left by the cleaning device during cleaning, the problem of poor obstacle crossing capability is brought, and the cleaning device is not flexible to walk or is stuck when encountering obstacles or under the condition that the ground is not smooth enough, so that the cleaning effect is influenced.
Disclosure of Invention
In view of this, the embodiments of the present application are expected to provide a lifting device and a cleaning apparatus with good obstacle crossing capability.
To achieve the above object, a first aspect of embodiments of the present application provides a lifting device for a cleaning device, including:
mounting a bracket;
a drive member mounted on the mounting bracket;
the transmission assembly is rotatably arranged on the mounting bracket and is in driving connection with the driving piece;
the bearing assembly is rotationally connected with the transmission assembly, so that the transmission assembly drives the bearing assembly to ascend or descend through rotation under the driving of the driving piece.
In one embodiment, the transmission assembly comprises a gear pair, a transmission shaft and a driving crank, the driving piece is in driving connection with the gear pair, the gear pair is in driving connection with the transmission shaft, one end of the driving crank is connected with the transmission shaft, and the other end of the driving crank is in rotating connection with the bearing assembly.
In one embodiment, the mounting bracket has a mounting slot, and the drive member and the gear pair are disposed within the mounting slot.
In one embodiment, the transmission shaft includes a plurality of link shafts and a plurality of couplings, and each two adjacent link shafts are connected by one coupling.
In one embodiment, the bearing component comprises a connecting piece and a bearing piece, one end of the connecting piece is rotatably connected with the transmission component, and the other end of the connecting piece is connected with the bearing piece.
In one embodiment, the connecting member includes a first sleeve and a first sliding member slidably sleeved on the first sleeve, the first sleeve is connected to the bearing member, and one end of the first sliding member, which is far away from the bearing member, is rotatably connected to the transmission assembly.
In one embodiment, a first guide groove extending axially along the first sleeve is formed in the side wall of the first sleeve, and a first protrusion is formed in the side wall of the first sliding member and is in clamping fit with the first guide groove.
In one embodiment, the lifting device further comprises a first elastic member; the first elastic piece is arranged in the first sleeve, and the first sliding piece slides relative to the first sleeve and compresses the first elastic piece along the axial direction of the first sliding piece.
In one embodiment, the connector further comprises a first resilient member; the end, far away from the transmission assembly, of the first sliding piece is provided with a first accommodating cavity which is opened towards the first sleeve, the first elastic piece is at least partially arranged in the first accommodating cavity, and the first sliding piece and the first sleeve slide relatively and compress the first elastic piece along the axial direction of the first sliding piece.
In one embodiment, the mounting bracket comprises a first mounting bracket and a second mounting bracket which are arranged at intervals, and the transmission assembly is rotatably arranged on the first mounting bracket and the second mounting bracket.
In one embodiment, the transmission assembly includes gear pair, transmission shaft, drive crank, the driving piece with the gear pair drive is connected, gear pair with the transmission shaft transmission is connected, follows the axial of transmission shaft, at least one side in the relative both sides of first installing support and at least one side in the relative both sides of second installing support be connected with on the transmission shaft drive crank, hold and be provided with on the carrier with drive crank one-to-one first slider, drive crank keeps away from the one end of transmission shaft and the correspondence first slider rotates and is connected.
In one embodiment, a first limiting member is disposed on the first mounting bracket, and when the driving crank moves to an extreme position, the driving crank abuts against the first limiting member; and/or the presence of a gas in the gas,
in one embodiment, a first limiting member is disposed on the second mounting bracket, and when the driving crank moves to an extreme position, the driving crank abuts against the first limiting member.
In one embodiment, the bearing assembly further comprises a driven assembly, one end of the driven assembly is rotatably connected with the mounting bracket, and the other end of the driven assembly is connected with the bearing member.
In one embodiment, the driven assembly includes a driven crank, a second sleeve, and a second sliding member slidably sleeved on the second sleeve, the second sleeve is connected to the bearing member, one end of the driven crank is rotatably connected to the mounting bracket, and the other end of the driven crank is rotatably connected to one end of the second sliding member far away from the bearing member.
In one embodiment, a second guide groove axially extending along the second sleeve is formed in the side wall of the second sleeve, and a second protrusion is formed in the side wall of the second sliding member and is in clamping fit with the second guide groove.
In one embodiment, the driven assembly further comprises a second resilient member; the second elastic piece is arranged in the second sleeve, and the second sliding piece slides relative to the second sleeve and compresses the second elastic piece along the axial direction of the second sliding piece.
In one embodiment, the lifting device further comprises a second elastic member; the end, far away from the transmission assembly, of the second sliding piece is provided with a second accommodating cavity which is opened towards the second sleeve, the second elastic piece is at least partially arranged in the second accommodating cavity, and the second sliding piece slides relative to the second sleeve and compresses the second elastic piece along the axial direction of the second sliding piece.
In one embodiment, the mounting bracket comprises a first mounting bracket and a second mounting bracket which are arranged at intervals, the transmission assembly is rotatably arranged on the first mounting bracket and the second mounting bracket, and the driven assembly is arranged on at least one of two opposite sides of the first mounting bracket and at least one of two opposite sides of the second mounting bracket along the length direction of the transmission assembly.
In one embodiment, a second limiting member is disposed on the first mounting bracket, and when the driven crank moves to an extreme position, the driven crank abuts against the second limiting member.
In one embodiment, a second limiting member is disposed on the second mounting bracket, and when the driven crank moves to an extreme position, the driven crank abuts against the second limiting member.
A second aspect of the embodiments of the present application provides a cleaning device, which includes a machine body and the above-mentioned lifting device, wherein the lifting device is disposed at the bottom of the machine body.
The embodiment of the application provides a lifting device and cleaning equipment, lifting device includes the installing support, the driving piece, transmission assembly and carrier assembly, transmission assembly rotationally sets up on the installing support, the driving piece is connected with the transmission assembly drive, carrier assembly rotates with transmission assembly and is connected, so that transmission assembly drives carrier assembly through rotating under the drive of driving piece and rises or descend, that is to say, in lifting device's use, when needs hinder more, can drive transmission assembly through control driving piece and rotate, and then control carrier assembly rises, with the obstacle crossing ability that improves lifting device, when needs are clean, control carrier assembly descends suitable position, in order to clean ground, therefore, the lifting device that this application embodiment provided can improve obstacle crossing ability.
Drawings
Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present application;
FIG. 2 is a schematic structural view of the transmission assembly shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the connecting member with the driving crank connected thereto;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of the driven assembly shown in FIG. 1;
fig. 6 is a schematic structural view of the bearing assembly shown in fig. 1.
Description of the reference numerals
A mounting bracket 10; a mounting groove 10a; a first mounting bracket 11; a second mounting bracket 12; a first stopper 13; a second stopper 14; a driver 20; a transmission assembly 30; a gear pair 31; a drive shaft 32; the link shaft 321; the first link shaft 3211; the second link shaft 3212; the third link shaft 3213; a fourth link shaft 3214; a shaft coupling 322; a first coupling 3221; a second coupling 3222; a third triplexer 3223; a driving crank 33; an insertion hole 33a; a second stopper surface 33b; a rotating shaft 33c; a carrier assembly 40; a connecting member 41; a first sleeve 411; the first guide groove 411a; a first slider 412; a first projection 412a; the first elastic member 413; a connecting rod 414; a carrier 42; a driven assembly 43; a driven crank 431; a second sleeve 432; the second guide groove 432a; a second slider 433; a second projection 433a; and a second elastic member 434.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
An embodiment of the present application provides a lifting device, please refer to fig. 1 to 6, which is used for a cleaning device, and the lifting device includes a mounting bracket 10, a driving member 20, a transmission assembly 30 and a bearing assembly 40, wherein the driving member 20 is mounted on the mounting bracket 10, the transmission assembly 30 is rotatably disposed on the mounting bracket 10, the transmission assembly 30 is in driving connection with the driving member 20, and the bearing assembly 40 is rotatably connected with the transmission assembly 30, so that the transmission assembly 30 drives the bearing assembly 40 to ascend or descend by rotation under the driving of the driving member 20.
Referring to fig. 1 and 2, a transmission assembly 30 is rotatably disposed on a mounting bracket 10, a driving member 20 is a driving motor, the transmission assembly 30 is connected to an output shaft of the driving motor, the transmission assembly 30 rotates under the action of the driving motor for transmitting power of the driving motor, a bearing assembly 40 is rotatably connected to the transmission assembly 30, so that the transmission assembly 30 drives the bearing assembly 40 to ascend or descend under the driving of the driving motor, that is, in the use process of the lifting device, when obstacle crossing is required, the transmission assembly 30 can be driven to rotate by controlling the driving member 20, and further the bearing assembly 40 is controlled to ascend so as to improve the obstacle crossing capability of the lifting device, and when cleaning members are required to be disposed on the bearing assembly 40 for cleaning, the cleaning members are, for example, rolling brushes or cleaning cloths, and the bearing assembly is controlled to descend to a proper position to clean the ground, thereby the lifting device provided in the embodiment of the present application can smoothly ascend and descend and also improve the obstacle crossing capability.
Another embodiment of the present application further provides a cleaning device, which includes the lifting device provided in any embodiment of the present application, and the lifting device is disposed at the bottom of the machine body.
The lifting device is arranged at the bottom of the machine body through the mounting bracket 10, please refer to fig. 1 and 2, the driving motor is arranged on the mounting bracket 10, the driving motor is connected with the bearing assembly 40 through the transmission assembly 30, the transmission assembly 30 rotates under the action of the driving motor, the bearing assembly 40 ascends or descends under the rotation action of the transmission assembly 30, meanwhile, the cleaning piece is arranged at the bottom of the machine body and is connected with the bearing assembly 40, the cleaning piece is for example a rolling brush or a cleaning cloth, and the cleaning piece ascends or descends under the action of the bearing assembly 40, so that the ascending or descending height of the cleaning piece can be adjusted according to the height change condition of the surface to be cleaned, the problem that the cleaning device is poor in obstacle crossing capability due to the fact that the cleaning piece cannot be contacted with the surface to be cleaned due to too high position is effectively prevented, or the problem that the cleaning piece is clamped at the protruding position of the surface to be cleaned due to too low position of the cleaning piece is prevented, and the problem that the obstacle crossing capability of the cleaning device is poor is effectively improved, and the obstacle crossing capability of the cleaning device is further improved in cleaning effect, safety and reliability of the cleaning device.
In an embodiment, referring to fig. 1 and fig. 2, the transmission assembly 30 includes a gear pair 31, a transmission shaft 32 and a driving crank 33, the driving member 20 is drivingly connected to the gear pair 31, the gear pair 31 is drivingly connected to the transmission shaft 32, one end of the driving crank 33 is connected to the transmission shaft 32, and the other end of the driving crank 33 is rotatably connected to the supporting assembly 40.
The driving member 20 drives the transmission shaft 32 to rotate through the gear pair 31, one end of the driving crank 33 is connected to the transmission shaft 32, the other end of the driving crank 33 is rotatably connected to the bearing assembly 40, the transmission shaft 32 is rotatably disposed on the mounting bracket 10, that is, the driving member 20 can drive the driving crank 33 to rotate through the rotation of the transmission shaft 32, and further drive the bearing assembly 40 to ascend or descend, wherein the transmission shaft 32 has an insertion portion, the insertion portion has a first limiting surface, please refer to fig. 3 and 4, the driving crank 33 has an insertion hole 33a, the insertion hole 33a has a second limiting surface 33b, when the transmission shaft 32 is inserted into the insertion hole 33a of the driving crank 33 through the insertion portion, the first limiting surface is matched with the second limiting surface 33b, so as to prevent the driving crank 33 and the transmission shaft 32 from rotating relatively.
Wherein, the copper sheathing is inlayed at the junction of transmission shaft 32 and installing support 10, can reduce the resistance when transmission shaft 32 rotates, and can reduce the wearing and tearing to installing support 10.
In some embodiments, the transmission assembly 30 may further include a transmission shaft 32 and a driving crank 33, that is, the gear pair 31 is not included, that is, the driving member 20 may be directly connected to the transmission shaft 32, and the driving shaft 32 is driven by the driving member 20 to rotate, and the driving crank 33 is driven by the transmission shaft 32 to rotate.
In one embodiment, the gear pair 31 includes a driving gear and a driven gear engaged with each other, the driving gear is connected to an output shaft of the driving motor, and the driven gear is connected to the transmission shaft 32, so that the driving crank 33 can be driven to rotate by the driving motor.
In some embodiments, the gear pair 31 may further include a driving gear and a plurality of driven gears engaged with each other, and it should be noted that the specific composition of the gear pair 31 is not limited herein as long as the driving member 20 can drive the transmission shaft 32 to rotate through the gear pair 31.
In one embodiment, referring to fig. 1, the mounting bracket 10 has a mounting groove 10a, and the driving member 20 and the gear pair 31 are disposed in the mounting groove 10a, so that the driving member 20 and the gear pair 31 do not require additional mounting space, that is, the driving member 20 and the gear pair 31 are disposed in the mounting groove 10a, which saves space, and further makes the structure of the lifting device and the cleaning apparatus more compact.
In one embodiment, referring to fig. 6, the supporting member 40 includes a connecting member 41 and a supporting member 42, one end of the connecting member 41 is rotatably connected to the driving member 30, the other end of the connecting member 41 is connected to the supporting member 42, the driving motor is connected to the connecting member 41 through the driving member 30, and a cleaning member, such as a rolling brush or a wiping cloth, is disposed at the bottom of the supporting member 42.
In an embodiment, referring to fig. 3, fig. 4 and fig. 6, the connecting member 41 includes a first sleeve 411 and a first sliding member 412 slidably sleeved on the first sleeve 411, the first sleeve 411 is connected to the supporting member 42, and one end of the first sliding member 412 far from the supporting member 42 is rotatably connected to the transmission assembly 30, so that when the transmission shaft 32 rotates, the first sliding member 412 drives the first sleeve 411 to ascend or descend along an axial direction of the first sliding member 412, and further drives the supporting member 42 to ascend or descend along the axial direction of the first sliding member 412, thereby adjusting a height of the supporting member 40.
The driving crank 33 has a rotating shaft 33c at one end thereof, the first sliding member 412 has a third mounting hole, the rotating shaft 33c is matched with the third mounting hole through the shaft hole to connect the driving crank 33 and the first sliding member 412, and a screw and a spacer are disposed at an end of the rotating shaft 33c to limit the first sliding member 412 from being separated from the rotating shaft 33c, so that the driving crank 33 is rotatably connected with the first sliding member 412.
In some embodiments, the connecting member 41 is a connecting rod 414, one end of the connecting rod 414 is connected to the bearing member 42, and the other end of the connecting rod 414 is rotatably connected to the driving crank 33, so that when the transmission shaft 32 rotates, the driving crank 33 drives the connecting rod 414 to ascend or descend along the axial direction of the connecting rod 414, and further drives the bearing member 42 to ascend or descend along the axial direction of the connecting rod 414, thereby adjusting the height of the bearing assembly 40.
In an embodiment, referring to fig. 3 and 4, a side wall of the first sleeve 411 has a first guiding slot 411a extending axially along the first sleeve 411, a side wall of the first sliding member 412 has a first protrusion 412a, and the first protrusion 412a is engaged with the first guiding slot 411 a.
Specifically, when the connecting member 41 is assembled, the first protrusion 412a is clamped into the first guide slot 411a, so that the first sliding member 412 can slide relative to the first sleeve 411, and the first guide slot 411a is axially arranged along the first sleeve 411, so that the first sliding member 412 can ascend or descend along the axial direction of the first sleeve 411, and the first sliding member 412 can be prevented from being separated from the first sleeve 411 through clamping fit between the first protrusion 412a and the first guide slot 411a, and further, the bearing member 42 is driven to ascend or descend along the axial direction of the first sliding member 412.
In an embodiment, referring to fig. 3 and 4, the connecting element 41 further includes a first elastic element 413, an end of the first sliding element 412 away from the transmission assembly 30 has a first accommodating cavity opening toward the first sleeve 411, the first elastic element 413 is at least partially disposed in the first accommodating cavity, and the first sliding element 412 slides relative to the first sleeve 411 and compresses the first elastic element 413 along an axial direction of the first sliding element 412.
Specifically, the first elastic member 413 is, for example, a spring, the spring is at least partially disposed in the first accommodating cavity, the driving crank 33 drives the first sliding member 412 to descend along the axial direction thereof by rotating, when the first sliding member 412 is lowered to a height at which the supporting member 42 is in direct contact with the ground, since the first sliding member 412 and the first sleeve 411 can slide relatively, that is, the first sliding member 412 can also continue to descend for a certain distance, and the spring can be compressed when descending, so that the supporting member 42 generates a certain pressure on the surface to be cleaned and can be attached to the surface to be cleaned more tightly, and the ground mopping effect is better.
In some embodiments, the lifting device further includes a first elastic member 413, the first elastic member 413 is disposed in the first sleeve 411, and the first slider 412 slides relative to the first sleeve 411 and compresses the first elastic member 413 in an axial direction of the first slider 412.
In an embodiment, referring to fig. 1, the mounting bracket 10 includes a first mounting bracket 11 and a second mounting bracket 12 that are spaced apart from each other, and the transmission assembly 30 is rotatably disposed on the first mounting bracket 11 and the second mounting bracket 12.
In an embodiment, referring to fig. 1 and fig. 2, the transmission assembly 30 includes a gear pair 31, a transmission shaft 32, and a driving crank 33, the driving member 20 is drivingly connected to the gear pair 31, the gear pair 31 is drivingly connected to the transmission shaft 32, the driving crank 33 is connected to the transmission shaft 32 on at least one of two opposite sides of the first mounting bracket 11 and at least one of two opposite sides of the second mounting bracket 12 along an axial direction of the transmission shaft 32, the bearing member 42 is provided with first sliding members 412 corresponding to the driving cranks 33 one to one, and one end of the driving crank 33 away from the transmission shaft 32 is rotatably connected to the corresponding first sliding members 412.
Referring to fig. 1, the driving crank 33 is connected to the transmission shaft 32 on at least one of the two opposite sides of the first mounting bracket 11 and at least one of the two opposite sides of the second mounting bracket 12, the bearing member 42 is provided with the first sliding member 412 corresponding to the driving crank 33 one by one, and one end of the driving crank 33 away from the transmission shaft 32 is rotatably connected to the corresponding first sliding member 412, so that the bearing member 42 is simultaneously connected to the first mounting bracket 11 and the second mounting bracket 12, the transmission assembly 30 drives the plurality of driving cranks 33 to rotate, and the stability of adjusting the lifting height of the bearing member 42 is further improved.
Wherein, the driving crank 33 is connected to the transmission shaft 32 of at least one of the two opposite sides of the first mounting bracket 11 and the two opposite sides of the second mounting bracket 12, the driving crank 33 is connected to the transmission shafts 32 of the two opposite sides of the first mounting bracket 11 and the two opposite sides of the second mounting bracket 12, the driving crank 33 is connected to the transmission shaft 32 of one of the two opposite sides of the first mounting bracket 11 and one of the two opposite sides of the second mounting bracket 12, or the driving crank 33 is connected to the transmission shafts 32 of one of the two opposite sides of the first mounting bracket 11 and two of the two opposite sides of the second mounting bracket 12.
It can be understood that, referring to fig. 1, the driving cranks 33 are connected to the driving shafts 32 on two opposite sides of the first mounting bracket 11 and two opposite sides of the second mounting bracket 12, and the driving cranks 33 are disposed adjacent to the first mounting bracket 11 and the second mounting bracket 12, so as to improve the stress performance of the driving assembly 30.
In an embodiment, referring to fig. 1 and 2, the transmission shaft 32 includes a plurality of link shafts 321 and a plurality of couplers 322, and each two adjacent link shafts 321 are connected by one coupler 322, so that the assembly, disassembly and maintenance of the transmission shaft 32 are more convenient, and the couplers 322 can compensate for the deviation between the two shafts due to inaccurate manufacture and installation, deformation or thermal expansion during operation, and the like to a certain extent.
In addition, a snap spring is provided on the transmission shaft 32 to limit the axial movement of the transmission shaft 32 along the transmission shaft 32.
Specifically, referring to fig. 1 and 2, the transmission shaft 32 includes a first link shaft 3211, a second link shaft 3212, a third link shaft 3213, a fourth link shaft 3214, a first coupler 3221, a second coupler 3222, and a third coupler 3223, the first mounting bracket 11 is provided with a first mounting groove 10a, the driving member 20 and the gear pair 31 are disposed in the first mounting groove 10a, the first link shaft 3211 is disposed on a side wall of the first mounting bracket 11, the second link shaft 3212 is disposed on another side wall of the first mounting bracket 11, the fourth link shaft 3214 is disposed on a side wall of the second mounting bracket 12, one end of the first link shaft 3211 is connected to the driving crank 33, the other end of the first link shaft 3211 is connected to the second link shaft 3212 through the first coupler 3211, the other end of the second link shaft 3212 is connected to the third link shaft 3213 through the third coupler 3213, the other end of the third link shaft 3213 is connected to the fourth link shaft 3214 through the third coupler 3213, and the other end of the driving link shaft 3214 is connected to the driving member 3213, and the other end of the driving link shaft 3213 is disposed in the first mounting groove 10a mounting groove 3213.
In an embodiment, referring to fig. 1, a first limiting member 13 is disposed on the first mounting bracket 11, and when the driving crank 33 moves to the limiting position, the driving crank 33 abuts against the first limiting member 13.
The limit position refers to the highest position and the lowest position that the driving crank 33 can reach by rotating, and at the limit position, the driving crank 33 abuts against the first limiting part 13 to stop rotating, so that the lifting device can be prevented from being damaged by controlling the driving crank 33 to rotate within a set range, and the bearing assembly 40 can be in contact with the ground to clean the ground.
It can be understood that, referring to fig. 1, the second mounting bracket 12 may also be provided with a first limiting member 13, when the driving crank 33 moves to the limit position, the driving crank 33 abuts against the first limiting member 13, or the first mounting bracket 11 and the second mounting bracket 12 are both provided with the first limiting member 13 corresponding to the driving crank 33, and when the driving crank 33 moves to the limit position, the driving crank 33 abuts against the corresponding first limiting member 13.
In one embodiment, referring to fig. 1, 5 and 6, the supporting assembly 40 further includes a driven assembly 43, one end of the driven assembly 43 is rotatably connected to the mounting bracket 10, and the other end of the driven assembly 43 is connected to the supporting member 42.
The transmission assembly 30 is rotatably disposed on the mounting bracket 10, the transmission assembly 30 is connected to the driving member 20, the transmission assembly 30 rotates under the action of the driving member 20, and is used for transmitting the power of the driving member 20, the connecting member 41 is rotatably connected to the transmission assembly 30, so that the transmission assembly 30 drives the connecting member 41 and the bearing member 42 to ascend or descend under the driving of the driving member 20 through rotation, at this time, the driven assembly 43 connected to the bearing member 42 is forced upwards to passively ascend, and therefore, the lifting device provided by the embodiment of the application can improve the obstacle crossing capability and also improve the structural stability and the stability of the moving process of the bearing member 42.
In an embodiment, referring to fig. 5, the driven assembly 43 includes a driven crank 431, a second sleeve 432, and a second sliding member 433 slidably sleeved on the second sleeve 432, the second sleeve 432 is connected to the supporting member 42, one end of the driven crank 431 is rotatably connected to the mounting bracket 10, and the other end of the driven crank 431 is rotatably connected to one end of the second sliding member 433 away from the supporting member 42.
When the driving member 20 drives the transmission assembly 30, the transmission assembly 30 rotates to drive the connecting member 41 and the supporting member 42 to ascend or descend, so as to drive the second sliding member 433 and the second sleeve 432 to ascend or descend along the axial direction of the second sliding member 433, and further drive the driven crank 431 to rotate, thereby improving the structural stability and the stability of the moving process of the supporting member 42.
In an embodiment, referring to fig. 5, a side wall of the second sleeve 432 is provided with a second guiding groove 432a extending axially along the second sleeve 432, a side wall of the second sliding member 433 is provided with a second protrusion 433a, and the second protrusion 433a is engaged with the second guiding groove 432 a.
Specifically, when the follower assembly 43 is assembled, the second protrusion 433a is inserted into the second guide groove 432a, so that the second slider 433 can slide relative to the second sleeve 432, and the second guide groove 432a is axially disposed along the second sleeve 432, so that the second slider 433 can move up and down along the second sleeve 432, and the second slider 433 can be prevented from being removed from the second sleeve 432 by the snap-fit between the second protrusion 433a and the second guide groove 432 a.
In addition, the mounting bracket 10 is matched with the driven crank 431 through a shaft hole, and a rivet is arranged at the end part of the driven crank 431 and used for limiting the driven crank 431 to be separated from the mounting bracket 10 so as to enable the driven crank 431 to be rotatably connected with the mounting bracket 10.
In one embodiment, referring to fig. 5, the follower assembly 43 further includes a second elastic member 434, an end of the second sliding member 433 away from the transmission assembly 30 has a second accommodating cavity opening toward the second sleeve 432, the second elastic member 434 is at least partially disposed in the second accommodating cavity, the second sliding member 433 slides relative to the second sleeve 432, and compresses the second elastic member 434 along an axial direction of the second sliding member 433.
Specifically, the second elastic member 434 is, for example, a spring, the spring is at least partially disposed in the second accommodating cavity, when the driving crank 33 rotates clockwise in the reverse direction, the second sliding member 433 descends along the axial direction, when the second sliding member 433 descends to a height at which the carrier 42 is in good contact with the ground, since the second sliding member 433 and the second sleeve 432 can slide relatively, that is, the second sliding member 433 can also descend a certain distance continuously, and the spring can be compressed when descending, so that the carrier 42 generates a certain pressure on the surface to be cleaned and fits the surface to be cleaned more tightly, and the mopping effect is better.
In some embodiments, the lifting device further includes a second elastic member 434, the second elastic member 434 is disposed in the second sleeve 432, and the second slider 433 slides relative to the second sleeve 432 and compresses the second elastic member 434 in an axial direction of the second slider 433.
In one embodiment, referring to fig. 1, the mounting bracket 10 includes a first mounting bracket 11 and a second mounting bracket 12 that are spaced apart from each other, the transmission assembly 30 is rotatably disposed on the first mounting bracket 11 and the second mounting bracket 12, and a driven assembly 43 is disposed on at least one of two opposite sides of the first mounting bracket 11 and at least one of two opposite sides of the second mounting bracket 12 along a length direction of the transmission assembly 30.
On one hand, the driven assemblies 43 are rotatably arranged on the first mounting bracket 11 and the second mounting bracket 12, so that the lifting height of the bearing assembly 40 can be more stably adjusted in the lifting process, and the stability of the adjustment of the lifting height of the bearing assembly 40 is improved, on the other hand, the driven assemblies 43 are connected to the transmission shafts 32 on at least one of two opposite sides of the first mounting bracket 11 and at least one of two opposite sides of the second mounting bracket 12, so that the bearing member 42 can be connected with the first mounting bracket 11 and the second mounting bracket 12 through the plurality of driven assemblies 43, and the stability of the adjustment of the lifting height of the bearing member 42 is further improved.
Wherein, the driven assembly 43 is connected to the transmission shaft 32 on at least one of the two opposite sides of the first mounting bracket 11 and the two opposite sides of the second mounting bracket 12, the driven assembly 43 is connected to the transmission shafts 32 on the two opposite sides of the first mounting bracket 11 and the two opposite sides of the second mounting bracket 12, the driven assembly 43 is connected to the transmission shaft 32 on one of the two opposite sides of the first mounting bracket 11 and one of the two opposite sides of the second mounting bracket 12, or the driven assembly 43 is connected to the transmission shafts 32 on one of the two opposite sides of the first mounting bracket 11 and two of the two opposite sides of the second mounting bracket 12.
In an embodiment, referring to fig. 1, the first mounting bracket 11 is provided with a second limiting member 14, and when the driven crank 431 moves to the limit position, the driven crank 431 abuts against the second limiting member 14.
The limit positions are the highest position and the lowest position at which the height of the loading object connected with the driven crank 431 can be adjusted, and the driven crank 431 is abutted against the second limiting part 14 to stop rotating, so that the lifting device is prevented from being damaged due to the fact that the driven crank 431 continues to rotate.
It should be understood that, referring to fig. 1, the second mounting bracket 12 may also be provided with a second limiting member 14, when the driven crank 431 moves to the limit position, the driven crank 431 abuts against the second limiting member 14, or both the first mounting bracket 11 and the second mounting bracket 12 are provided with the second limiting member 14 corresponding to the driven crank 431, and when the driven crank 431 moves to the limit position, the driven crank 431 abuts against the corresponding second limiting member 14.
In one embodiment, referring to fig. 1, the lifting device includes a first mounting bracket 11 and a second mounting bracket 12 arranged at an interval, a driving member 20, a transmission assembly 30, a driven assembly 43, and a carrying assembly 40, the driving member 20 is mounted on the first mounting bracket 11, the transmission assembly 30 is rotatably disposed on the first mounting bracket 11 and the second mounting bracket 12, the transmission assembly 30 is drivingly connected to the driving member 20, and the driven assembly 43 is connected to the mounting bracket 10, when the driving member 20 drives the transmission assembly 30, the transmission assembly 30 rotates to drive the connecting member 41 and the carrying member 42 to ascend or descend, so as to drive the second sliding member 433 and the second sleeve 432 to ascend or descend along the axial direction of the second sliding member 433, and further drive the driven crank 431 to rotate, so as to synchronously rotate the driving crank 33 and the driven crank 431, and further, so that the carrying member 42 is kept parallel to the ground as much as possible when the height of the carrying member 42 is adjusted.
The first sleeve 411 and the second sleeve 432 are fixedly connected to the carrier 42, for example, by screws.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (18)
1. A lifting device for a cleaning device, comprising:
mounting a bracket;
a drive member mounted on the mounting bracket;
the transmission assembly is rotatably arranged on the mounting bracket and is in driving connection with the driving piece;
the bearing assembly is rotationally connected with the transmission assembly, so that the transmission assembly is driven by the driving part to drive the bearing assembly to ascend or descend through rotation.
2. The lifting device as claimed in claim 1, wherein the transmission assembly comprises a gear pair, a transmission shaft and a driving crank, the driving member is drivingly connected to the gear pair, the gear pair is drivingly connected to the transmission shaft, one end of the driving crank is connected to the transmission shaft, and the other end of the driving crank is rotatably connected to the bearing assembly.
3. The lift device of claim 2, wherein the mounting bracket has a mounting slot, the drive member and the gear pair being disposed within the mounting slot.
4. The lifting device as claimed in claim 2, wherein the transmission shaft comprises a plurality of link shafts and a plurality of couplings, and each two adjacent link shafts are connected by one coupling.
5. The lifting device as claimed in claim 1, wherein the bearing assembly comprises a connecting member and a bearing member, one end of the connecting member is rotatably connected to the transmission assembly, and the other end of the connecting member is connected to the bearing member.
6. The lifting device as claimed in claim 5, wherein the connecting member comprises a first sleeve and a first sliding member slidably fitted over the first sleeve, the first sleeve is connected to the bearing member, and an end of the first sliding member remote from the bearing member is rotatably connected to the transmission assembly.
7. The lifting device as claimed in claim 6, wherein the first sleeve has a first guide slot extending axially along the first sleeve on a side wall thereof, and the first sliding member has a first protrusion on a side wall thereof, and the first protrusion is engaged with the first guide slot.
8. The lift mechanism of claim 6, wherein the coupling member further comprises a first resilient member;
the first elastic piece is arranged in the first sleeve, and the first sliding piece slides relative to the first sleeve and compresses the first elastic piece along the axial direction of the first sliding piece; or the like, or, alternatively,
the end, far away from the transmission assembly, of the first sliding piece is provided with a first accommodating cavity which is opened towards the first sleeve, the first elastic piece is at least partially arranged in the first accommodating cavity, and the first sliding piece and the first sleeve slide relatively and compress the first elastic piece along the axial direction of the first sliding piece.
9. The lifting device as claimed in claim 6, wherein the mounting bracket comprises a first mounting bracket and a second mounting bracket arranged at a distance, and the transmission assembly is rotatably arranged on the first mounting bracket and the second mounting bracket.
10. The lifting device as claimed in claim 9, wherein the transmission assembly includes a gear pair, a transmission shaft, and a driving crank, the driving member is drivingly connected to the gear pair, the gear pair is drivingly connected to the transmission shaft, the driving crank is connected to the transmission shaft on at least one of two opposite sides of the first mounting bracket and at least one of two opposite sides of the second mounting bracket along an axial direction of the transmission shaft, the bearing member is provided with the first sliding members corresponding to the driving cranks one to one, and one end of the driving crank, which is far away from the transmission shaft, is rotatably connected to the corresponding first sliding member.
11. The lifting device as claimed in claim 10, wherein the first mounting bracket is provided with a first limiting member, and when the driving crank moves to an extreme position, the driving crank abuts against the first limiting member; and/or the presence of a gas in the gas,
the second mounting bracket is provided with a first limiting part, and when the driving crank moves to the limit position, the driving crank is abutted to the first limiting part.
12. The lift device of claim 5, wherein the bearing assembly further comprises a follower assembly, one end of the follower assembly being rotatably coupled to the mounting bracket and the other end of the follower assembly being coupled to the bearing member.
13. The lifting device as claimed in claim 12, wherein the driven assembly comprises a driven crank, a second sleeve and a second sliding member slidably fitted over the second sleeve, the second sleeve is connected to the bearing member, one end of the driven crank is rotatably connected to the mounting bracket, and the other end of the driven crank is rotatably connected to one end of the second sliding member away from the bearing member.
14. The lifting device as claimed in claim 13, wherein the second sleeve has a second guide groove extending axially along the second sleeve on a side wall thereof, and the second slider has a second protrusion on a side wall thereof, the second protrusion being snap-fitted into the second guide groove.
15. The lift device of claim 13, wherein the follower assembly further comprises a second resilient member;
the second elastic piece is arranged in the second sleeve, and the second sliding piece slides relative to the second sleeve and compresses the second elastic piece along the axial direction of the second sliding piece; or the like, or a combination thereof,
the end, far away from the transmission assembly, of the second sliding piece is provided with a second accommodating cavity which is opened towards the second sleeve, the second elastic piece is at least partially arranged in the second accommodating cavity, and the second sliding piece slides relative to the second sleeve and compresses the second elastic piece along the axial direction of the second sliding piece.
16. The lifting device as claimed in claim 15, wherein the mounting bracket comprises a first mounting bracket and a second mounting bracket which are spaced apart from each other, the transmission assembly is rotatably disposed on the first mounting bracket and the second mounting bracket, and the driven assembly is disposed on at least one of two opposite sides of the first mounting bracket and at least one of two opposite sides of the second mounting bracket along a length direction of the transmission assembly.
17. The lifting device as claimed in claim 16, wherein the first mounting bracket is provided with a second stop member, and when the driven crank moves to an extreme position, the driven crank abuts against the second stop member; and/or the presence of a gas in the gas,
and a second limiting part is arranged on the second mounting bracket, and when the driven crank moves to the limit position, the driven crank is abutted against the second limiting part.
18. A cleaning apparatus comprising a body and a lifting device as claimed in any one of claims 1 to 17, the lifting device being provided at the bottom of the body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915650.9A CN115702763A (en) | 2021-08-10 | 2021-08-10 | Lifting device and cleaning equipment |
| PCT/CN2022/076292 WO2023015859A1 (en) | 2021-08-10 | 2022-02-15 | Lifting/lowering device and cleaning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915650.9A CN115702763A (en) | 2021-08-10 | 2021-08-10 | Lifting device and cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115702763A true CN115702763A (en) | 2023-02-17 |
Family
ID=85179568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915650.9A Pending CN115702763A (en) | 2021-08-10 | 2021-08-10 | Lifting device and cleaning equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115702763A (en) |
| WO (1) | WO2023015859A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040250375A1 (en) * | 2003-02-13 | 2004-12-16 | Chen Chung Ming | Cleaning apparatus with wheel adjusting mechanism |
| CN205458440U (en) * | 2016-01-08 | 2016-08-17 | 松下家电研究开发（杭州）有限公司 | Intelligent dust collector |
| CN110710932A (en) * | 2018-07-13 | 2020-01-21 | 上海楠木机器人科技有限公司 | Lifting mechanism, cleaning robot with same and working method thereof |
| WO2020125489A1 (en) * | 2018-12-21 | 2020-06-25 | 苏州宝时得电动工具有限公司 | Robot cleaner and control method therefor, and floor treating system |
| CN111568326A (en) * | 2020-06-16 | 2020-08-25 | 深圳市泰博智能机器人有限公司 | Lifting device for mopping roller of sweeping robot |
| CN112998589A (en) * | 2021-03-23 | 2021-06-22 | 深圳市杉川机器人有限公司 | Floor sweeping robot |
| CN113133722B (en) * | 2021-04-09 | 2022-08-19 | 美智纵横科技有限责任公司 | Cleaning device |
-
2021
- 2021-08-10 CN CN202110915650.9A patent/CN115702763A/en active Pending
-
2022
- 2022-02-15 WO PCT/CN2022/076292 patent/WO2023015859A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023015859A1 (en) | 2023-02-16 |
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