CN114320954A - Fan and sweeping robot - Google Patents
Fan and sweeping robot Download PDFInfo
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- CN114320954A CN114320954A CN202210114365.1A CN202210114365A CN114320954A CN 114320954 A CN114320954 A CN 114320954A CN 202210114365 A CN202210114365 A CN 202210114365A CN 114320954 A CN114320954 A CN 114320954A
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Abstract
The invention discloses a fan and a sweeping robot, which comprise a fan air cylinder, a fan motor and two fan blades arranged in the fan air cylinder; the fan air duct is provided with an air inlet end and an air outlet end which are opposite to each other; one of the fan blades is positioned in the air inlet end of the air duct, and the other fan blade is positioned in the air outlet end of the air duct; the fan motor is arranged in the fan air cylinder and is positioned between the two fan blades; the output end of the fan motor is connected with the fan blades through a rotating shaft. According to the fan and the sweeping robot disclosed by the invention, the two fan blades are arranged in the fan air duct and rotate synchronously, so that the air suction amount is increased, the suction force is enhanced, larger-particle impurities can be sucked into the dust collecting box, and the sweeping effect is improved.
Description
Technical Field
The invention relates to the technical field of air suction equipment, in particular to a fan and a sweeping robot.
Background
The floor sweeping robot brings great convenience to daily cleaning hygiene of people. A walking chassis of the sweeping robot is integrated with a dust collecting box, an air duct, a fan, a water box and the like. The bottom of the walking chassis of the sweeping robot is integrated with a brush, a mop and the like. The fan is arranged in the air duct and removes dust in an air suction mode.
The existing fan is only provided with one fan blade, the air suction amount is not large enough, the suction force at the tail end is not enough, so that larger particles of impurities cannot be sucked into the dust collection box, and manual secondary cleaning is needed.
In view of this, it is necessary to provide a blower and a sweeping robot with large air suction amount and strong suction force.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a fan with large air suction amount and strong suction force and a sweeping robot.
The technical scheme of the invention provides a fan, which comprises a fan air cylinder, a fan motor and two fan blades arranged in the fan air cylinder;
the fan air duct is provided with an air inlet end and an air outlet end which are opposite to each other;
one of the fan blades is positioned in the air inlet end of the air duct, and the other fan blade is positioned in the air outlet end of the air duct;
the fan motor is arranged in the fan air cylinder and is positioned between the two fan blades;
the output end of the fan motor is connected with the fan blades through a rotating shaft.
In an alternative embodiment, both of the blades are axial flow blades.
In an optional technical scheme, the fan blades at the air inlet end of the air duct are centrifugal fan blades, and the fan blades at the air outlet end of the air duct are axial flow fan blades.
In one optional technical scheme, the centrifugal fan blade comprises a fan blade ring, a circular fan blade bottom plate and a plurality of rib plates;
the fan blade bottom plate is connected with the rotating shaft, the radius of the fan blade ring is larger than that of the fan blade bottom plate, and the fan blade ring and the fan blade bottom plate are coaxially arranged;
the plurality of rib plates are connected between the fan blade circular ring and the fan blade bottom plate at intervals, and a centrifugal air outlet is formed between any two adjacent rib plates.
In one optional technical scheme, the air outlet end of the air duct comprises an expansion part, wherein one fan blade is positioned in the expansion part;
the radius of the expansion part is gradually increased along the direction from the air inlet end of the air duct to the air outlet end of the air duct.
In an optional technical solution, the blower motor includes a motor stator and a motor rotor in the motor stator, the rotating shaft passes through the motor rotor, and the rotating shaft rotates synchronously with the motor rotor.
In an optional technical solution, the fan drum has two connecting brackets therein, the two connecting brackets are located at two opposite sides of the fan motor, and each connecting bracket has a bracket ring thereon;
the rotating shaft is provided with two assembling rings which are used for being matched with the bracket rings, and the two assembling rings are positioned at two opposite sides of the fan motor;
the assembly ring is sleeved on the rotating shaft and can be pivotally arranged in the bracket ring; or the assembly ring is fixedly arranged in the bracket ring, and the rotating shaft gap penetrates through the assembly ring.
In one of the optional technical scheme, the dryer air inlet end with be configured with the dryer apron respectively on the dryer air-out end, the dryer apron has a plurality of vents.
The technical scheme of the invention also provides a sweeping robot, which comprises a walking chassis, a dust collecting box arranged on the walking chassis, an air duct arranged on the walking chassis and the fan in any one of the technical schemes;
the air duct is provided with an air duct air inlet end and an air duct air outlet end, one side of the dust collection box, which faces the air duct air inlet end, is provided with a filter element, and the air duct air outlet end is positioned on the side part of the walking chassis;
the fan is installed in the air duct, and the fan is located between the air inlet end of the air duct and the air outlet end of the air duct.
In an optional technical scheme, the air duct comprises an air duct lower shell and an air duct upper shell detachably connected with the air duct lower shell, and a fan air duct of the fan is fixedly installed on the air duct lower shell.
By adopting the technical scheme, the method has the following beneficial effects:
according to the fan and the sweeping robot provided by the invention, the two fan blades are arranged in the fan air duct and rotate synchronously, so that the air suction amount is increased, the suction force is enhanced, larger-particle impurities can be sucked into the dust collecting box, and the sweeping effect is improved.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a perspective view of a fan according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the blower shown in FIG. 1;
FIG. 3 is a perspective view of the fan cartridge shown in FIG. 1;
fig. 4 is a perspective view of the duct cover plate shown in fig. 1;
FIG. 5 is a perspective view of the mounting ring shown in FIG. 2;
FIG. 6 is a perspective view of an axial fan blade;
fig. 7 is a perspective view of a blower according to a second embodiment of the present invention;
FIG. 8 is a cross-sectional view of the blower of FIG. 7;
FIG. 9 is an exploded view of the axial fan blade, fan motor and centrifugal fan blade of FIG. 8;
FIG. 10 is a perspective view of the centrifugal fan blade shown in FIG. 9;
fig. 11 is a perspective view of a blower according to a third embodiment of the present invention;
FIG. 12 is an exploded view of a fan with both blades being axial flow blades;
FIG. 13 is an exploded view of a fan with one blade being an axial fan blade and the other blade being a centrifugal fan blade;
fig. 14 is a perspective view of a sweeping robot according to an embodiment of the present invention;
fig. 15 is a perspective view of the sweeping robot with an air duct and a dust collecting box mounted on a walking chassis;
fig. 16 is an exploded view of the fan, air duct and filter element.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, 7-9 and 10-13, a fan 100 according to an embodiment of the present invention includes a fan drum 1, a fan motor 2 and two fan blades 3 installed in the fan drum 1.
The fan wind barrel 1 is provided with a wind barrel inlet end 11 and a wind barrel outlet end 12 which are opposite.
One of the fan blades 3 is positioned in the air inlet end 11 of the air duct, and the other fan blade 3 is positioned in the air outlet end 12 of the air duct.
The fan motor 2 is arranged in the fan air cylinder 1, and the fan motor 2 is arranged between the two fan blades 3.
The output end of the fan motor 2 is connected with the fan blades 3 through a rotating shaft 4.
The fan 100 provided by the invention is internally provided with the two fan blades 3, so that the air suction quantity can be increased, the air suction capacity can be improved, and the sweeping effect of the sweeping robot can be improved.
Specifically, the fan 100 includes a fan drum 1, and the fan drum 1 is cylindrical. One end of the fan air duct 1 is an air duct air inlet end 11, and the other end thereof is an air duct air outlet end 12.
One fan blade 3 is arranged in the air inlet end 11 of the air duct, and the other fan blade 3 is arranged in the air outlet end 12 of the air duct.
The fan motor 2 is installed in the fan wind barrel 1 and is positioned between the wind barrel air inlet end 11 and the wind barrel air outlet end 12. Preferably, the fan motor 2 is located in the middle of the fan drum 1.
The motor output end of the fan motor 2 is connected with the two fan blades 3 through the rotating shaft 4, so that the two fan blades 3 are driven to synchronously rotate, the air suction amount is increased, and the suction force is enhanced. After the blower 100 is applied to the sweeping robot, larger particles of impurities can be sucked into the dust collecting box, and the sweeping effect is improved.
In one embodiment, as shown in fig. 2 and 12, both blades 3 are axial blades 31.
In one embodiment, as shown in fig. 8-9 and 13, the fan blade 3 located in the air inlet end 11 of the air duct is a centrifugal fan blade 32, and the fan blade 3 located in the air outlet end 12 of the air duct is an axial fan blade 31.
In this embodiment, the fan blades 3 at the air inlet end 11 of the air duct are centrifugal fan blades 32, and the fan blades 3 at the air outlet end 12 of the air duct are axial flow fan blades 31. The centrifugal fan blade 32 is used for guiding the airflow to the side portion of the centrifugal fan blade 32, that is, the airflow is blown to the inner wall side of the wind barrel 1 of the fan, avoids the fan motor 2 in the middle, and leaves the wind outlet end 12 of the wind barrel through the action of the axial fan blade 31.
In this embodiment, the centrifugal fan blades 32 are disposed in the air inlet end 11 of the air duct, so that the air flow can be reduced to blow toward the central fan motor 2, which is beneficial to smooth air flow and wind noise reduction.
In one embodiment, as shown in FIG. 10, the centrifugal fan 32 includes a fan ring 321, a circular fan base plate 322, and a plurality of ribs 323.
The fan blade bottom plate 322 is connected with the rotating shaft 4, the radius of the fan blade ring 321 is larger than that of the fan blade bottom plate 322, and the fan blade ring 321 and the fan blade bottom plate 322 are coaxially arranged.
The plurality of ribs 323 are connected between the fan blade ring 321 and the fan blade bottom plate 322 at intervals, and a centrifugal air outlet 324 is formed between any two adjacent ribs 323.
In this embodiment, the centrifugal fan 32 mainly comprises a fan ring 321, a circular fan bottom plate 322, and a plurality of ribs 323. The radius of the fan blade circular ring 321 is large, the radius of the fan blade bottom plate 322 is small, the fan blade bottom plate 322 and the fan blade circular ring 321 are coaxially arranged, the fan blade bottom plate 322 is connected with the rotating shaft 4, and the fan blade circular ring 321 forms an air inlet. Each rib 323 is connected between the fan blade ring 321 and the fan blade bottom plate 322, and two adjacent ribs 323 are arranged at intervals, so that a centrifugal air outlet 324 is formed between the two adjacent ribs 323. When the centrifugal fan 32 rotates, air enters from the fan ring 321 and then exits from the centrifugal outlet 324.
In one embodiment, as shown in fig. 11 to 13, the air outlet end 12 of the air duct includes an expanding portion 121, and one of the fan blades 3 is located in the expanding portion 121. The radius of the expansion part 121 gradually increases along the direction from the wind inlet end 11 to the wind outlet end 12 of the wind barrel.
In this embodiment, through changing the shape of dryer air-out end 12, in the flow direction along the air current, the radius of expansion portion 121 of dryer air-out end 12 grow gradually, does benefit to gaseous discharge to dryer air-out end 12 flow fast, has further improved the volume of induced drafting and the ability of induced drafting of fan 100.
In one embodiment, as shown in fig. 2, the blower motor 2 includes a motor stator 21 and a motor rotor 22 disposed in the motor stator 21, the rotating shaft 4 passes through the motor rotor 22, and the rotating shaft 4 rotates synchronously with the motor rotor 22.
In this embodiment, two flabellum 3 are connected through a pivot 4, and pivot 4 passes fan motor 2's motor rotor 22, and pivot 4 and motor rotor 22 accessible key-type connection, motor rotor 22 drive pivot 4 integrative rotations when rotating for motor stator 21, and the structure is small to easy to assemble.
In one embodiment, as shown in fig. 2-3, 8 and 12-13, the fan cartridge 1 has two attachment brackets 14 therein, the two attachment brackets 14 being on opposite sides of the fan motor 2, and each attachment bracket 14 having a bracket ring 141 thereon.
The rotating shaft 4 is provided with two assembling rings 5 which are used for being matched with the bracket ring 141, and the two assembling rings 5 are arranged on two opposite sides of the fan motor 2.
The assembling ring 5 is sleeved on the rotating shaft 4, and the assembling ring 5 is pivotally arranged in the bracket ring 141. Alternatively, the mounting ring 5 is fixedly installed in the holder ring 141, and the rotation shaft 4 passes through the mounting ring 5 with a gap.
In this embodiment, two connecting brackets 14 are installed in the fan drum 1, a bracket vent hole is formed in the main body of each connecting bracket 14, and a bracket ring 141 is formed in the middle of each connecting bracket 14. The fan motor 2 is located between the two attachment brackets 14.
The rotating shaft 4 connected to each fan blade 3 is fitted with two fitting rings 5, and the two fitting rings 5 are fitted with two bracket rings 141, respectively, to support the rotating shaft 4.
The rotating shaft 4, the assembling ring 5 and the bracket ring 141 have the following two connection modes:
the first connection mode is as follows: the assembling ring 5 is sleeved on the rotating shaft 4, and the assembling ring 5 and the rotating shaft 4 rotate integrally. The mounting ring 5 is clearance-fitted in the holder ring 141, the mounting ring 5 being rotatable in the holder ring 141. Ribs may be provided on both sides of the holder ring 141 to block the fitting ring 5, as necessary.
And a second connection mode: the mounting ring 5 is fixedly installed in the holder ring 141, and the rotation shaft 4 passes through the center hole 51 of the mounting ring 5, and the rotation shaft 4 is rotatable in the center hole 51. According to the needs, a limiting groove can be arranged on the rotating shaft 4 to prevent the rotating shaft 4 and the assembling ring 5 from generating axial displacement.
In one embodiment, as shown in fig. 1-2, 4, 7-8 and 11-13, a duct cover plate 13 is respectively disposed on the duct inlet end 11 and the duct outlet end 12, and the duct cover plate 13 has a plurality of ventilation openings 131.
The air duct cover plate 13 can be mounted at the end of the fan air duct 1 through screws, buckles and the like. The air duct cover plate 13 not only plays a role in protecting the internal structure, but also has a ventilation function.
As shown in fig. 14 to 16, a sweeping robot 200 according to an embodiment of the present invention includes a walking chassis 201, a dust collecting box 203 mounted on the walking chassis 201, an air duct 205 mounted on the walking chassis 201, and the blower 100 according to any of the foregoing embodiments.
The air duct 205 is provided with an air duct air inlet end 2051 and an air duct air outlet end 2052, one side of the dust collection box 203 facing the air duct air inlet end 2051 is provided with a filter element 204, and the air duct air outlet end 2052 is positioned at the side part of the walking chassis 201.
The sweeping robot 200 provided by the embodiment comprises a walking chassis 201, a top cover 202, a dust collection box 203, a filter element 204, an air duct 205 and a fan 100.
Regarding the structure, structure and working principle of the fan 100, please refer to the description part of the fan 100, which is not described herein again.
The walking chassis 201 is provided with rollers, and can be driven to walk by a motor. The top cover 202 is hinged to the walking chassis 201. The dust box 203 and the air duct 205 are respectively installed on the traveling chassis 201. The dust box 203 is used for receiving sucked foreign matters, dust and the like. The air outlet of the dust collection box 203 is provided with a filter element 204.
The air duct 205 has an air duct inlet end 2051 and an air duct outlet end 2052, and the air duct outlet end 2052 is located at the side of the walking chassis 201. After the dust collecting box 203 is installed, the filter element 204 is positioned in the air inlet end 2051 of the air duct, and plays a role in preventing sundries from entering the air duct 205.
Because the fan 100 is provided with the two fan blades 3, the air suction amount is increased, the suction force is enhanced, larger particles of impurities can be sucked into the dust collection box 203, and the cleaning effect is improved.
In one embodiment, as shown in fig. 16, the air duct 205 includes an air duct lower casing 2053 and an air duct upper casing 2054 detachably connected to the air duct lower casing 2053, and the blower barrel 1 of the blower 100 is fixedly mounted on the air duct lower casing 2053.
In this embodiment, the air duct 205 includes an air duct lower casing 2053 and an air duct upper casing 2054, the fan air duct 1 is fixedly mounted on the air duct lower casing 2053 through a fastener, and the air duct upper casing 2054 is connected with the air duct lower casing 2053 through a fastener, a screw and the like, so that the installation and the disassembly and maintenance are convenient.
In summary, according to the blower and the sweeping robot provided by the invention, the two fan blades 3 are arranged in the blower barrel 1, and the two fan blades 3 rotate synchronously, so that the air suction amount is increased, the suction force is enhanced, larger particles of impurities can be sucked into the dust collection box 203, and the sweeping effect is improved.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. A fan is characterized by comprising a fan air cylinder, a fan motor and two fan blades arranged in the fan air cylinder;
the fan air duct is provided with an air inlet end and an air outlet end which are opposite to each other;
one of the fan blades is positioned in the air inlet end of the air duct, and the other fan blade is positioned in the air outlet end of the air duct;
the fan motor is arranged in the fan air cylinder and is positioned between the two fan blades;
the output end of the fan motor is connected with the fan blades through a rotating shaft.
2. The fan of claim 1 wherein both of the blades are axial flow blades.
3. The fan as claimed in claim 1, wherein the fan blades at the air inlet end of the air duct are centrifugal fan blades, and the fan blades at the air outlet end of the air duct are axial flow fan blades.
4. The fan of claim 3 wherein the centrifugal fan blades comprise a fan blade ring, a circular fan blade base plate, and a plurality of ribs;
the fan blade bottom plate is connected with the rotating shaft, the radius of the fan blade ring is larger than that of the fan blade bottom plate, and the fan blade ring and the fan blade bottom plate are coaxially arranged;
the plurality of rib plates are connected between the fan blade circular ring and the fan blade bottom plate at intervals, and a centrifugal air outlet is formed between any two adjacent rib plates.
5. The fan as claimed in claim 1, wherein the outlet end of the wind barrel comprises an expansion portion, and one of the fan blades is located in the expansion portion;
the radius of the expansion part is gradually increased along the direction from the air inlet end of the air duct to the air outlet end of the air duct.
6. The blower of any one of claims 1-5, wherein the blower motor includes a motor stator and a motor rotor within the motor stator, the shaft passing through the motor rotor, the shaft rotating synchronously with the motor rotor.
7. The fan as claimed in any one of claims 1 to 5, wherein the fan drum has two connecting brackets therein, the two connecting brackets being on opposite sides of the fan motor, each connecting bracket having a bracket ring thereon;
the rotating shaft is provided with two assembling rings which are used for being matched with the bracket rings, and the two assembling rings are positioned at two opposite sides of the fan motor;
the assembly ring is sleeved on the rotating shaft and can be pivotally arranged in the bracket ring; or the assembly ring is fixedly arranged in the bracket ring, and the rotating shaft gap penetrates through the assembly ring.
8. The fan as claimed in any one of claims 1 to 5, wherein a duct cover plate is disposed on each of the duct inlet end and the duct outlet end, and the duct cover plate has a plurality of ventilation openings.
9. A sweeping robot is characterized by comprising a walking chassis, a dust collection box arranged on the walking chassis, an air duct arranged on the walking chassis and a fan according to any one of claims 1 to 8;
the air duct is provided with an air duct air inlet end and an air duct air outlet end, one side of the dust collection box, which faces the air duct air inlet end, is provided with a filter element, and the air duct air outlet end is positioned on the side part of the walking chassis;
the fan is installed in the air duct, and the fan is located between the air inlet end of the air duct and the air outlet end of the air duct.
10. The sweeping robot according to claim 9, wherein the air duct includes an air duct lower casing and an air duct upper casing detachably connected to the air duct lower casing, and a fan drum of the fan is fixedly mounted on the air duct lower casing.
The fan is installed in the wind channel, the dryer air inlet end of the fan faces the wind channel air inlet end, and the dryer air outlet end of the fan faces the wind channel air outlet end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210114365.1A CN114320954A (en) | 2022-01-30 | 2022-01-30 | Fan and sweeping robot |
| PCT/CN2023/071357 WO2023143015A1 (en) | 2022-01-30 | 2023-01-09 | Fan and vacuum cleaning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210114365.1A CN114320954A (en) | 2022-01-30 | 2022-01-30 | Fan and sweeping robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114320954A true CN114320954A (en) | 2022-04-12 |
Family
ID=81030138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210114365.1A Pending CN114320954A (en) | 2022-01-30 | 2022-01-30 | Fan and sweeping robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114320954A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023143015A1 (en) * | 2022-01-30 | 2023-08-03 | 苏州简单有为科技有限公司 | Fan and vacuum cleaning robot |
-
2022
- 2022-01-30 CN CN202210114365.1A patent/CN114320954A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023143015A1 (en) * | 2022-01-30 | 2023-08-03 | 苏州简单有为科技有限公司 | Fan and vacuum cleaning robot |
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