Sweeping Robot

Abstract

A sweeping robot, comprising a bottom shell, a face shell forming an accommodation chamber together with the bottom shell, and a lower cover, an upper cover, a sealing intermediate cover, a fan unit, and a motor which are disposed in the accommodation chamber, wherein the motor is fixed at the lower cover; the fan unit is mounted on an output shaft of the motor, and is located on the lower cover; the sealing intermediate cover covers the lower cover; the lower cover is provided with an air inlet; the sealing intermediate cover and the lower cover together limit the fan unit inside; the upper cover and the sealing intermediate cover form therebetween an air outtake passage in communication with the fan unit; and the bottom shell and the face shell are provided therebetween with an exhaust passage in communication with the air outtake passage.

Description

CROSS-REFERENCE TO RELATED APPLICATION

The present application is filed based on and claims priority to a Chinese Patent Application No. CN202011357023X filed on Nov. 26, 2020, which is incorporated herein by reference in its entirety.

TECHNICAL FIELD

The present invention relates to the field of intelligent robots, and more particular to a sweeping robot.

BACKGROUND

At present, the operation mode of the existing intelligent sweeping robot on the market is mainly divided into “suction” and “sweeping”, wherein the “suction” cannot be separated from a fan, and the structural design of the fan can fundamentally influence “suction force”. FIG. 1 shows an existing sweeping robot; the fan has a narrow exhaust passage 100 and a large turn, which not only reduces the extension of the suction force, but also directly exhausts the air at the tail of the exhaust passage without adjusting the direction of the exhausted air. The problems not only reduce the utilization rate of the fan itself, but also are adverse to the improvement the use efficiency of the intelligent sweeping robot. In addition, in a fan assembly of the sweeping robot in the prior art, the exhaust passage 100 thereof is separately disposed, thus improving the structural complexity and cost of the fan assembly, and improving labor assembly cost and raw material cost. The loss of the effective utilization rate of the fan reduces the suction force of the fan.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides the society with a sweeping robot capable of improving the utilization ratio of the fan, and having a stronger suction force and a more compact structure.

The technical solution of the present invention is: provided is a sweeping robot, comprising a bottom shell, a face shell forming an accommodation chamber together with the bottom shell, and a fan assembly disposed in the accommodation chamber, wherein the fan assembly comprises a lower cover, an upper cover, a sealing intermediate cover, a fan unit, and a motor; the motor is fixed at the lower cover; the fan unit is mounted on an output shaft of the motor, and is located on the lower cover; the sealing intermediate cover covers the lower cover; the lower cover is provided with an air inlet; the sealing intermediate cover and the lower cover together limit the fan unit inside; the upper cover and the sealing intermediate cover form therebetween an air outtake passage in communication with the fan unit; an air outlet of the air outtake passage is directly opposite to the bottom shell; and the bottom shell and the face shell form therebetween an exhaust passage in communication with the air outtake passage.

As an improvement of the present invention, a plurality of air outtake holes are disposed on a side surface of the face shell, and the plurality of air outtake holes are in communication with the exhaust passage.

As an improvement of the present invention, the plurality of air outtake holes incline upward.

As an improvement of the present invention, the upper cover covers the sealing intermediate cover, and the sealing intermediate cover is integrated by means of injection molding.

As an improvement of the present invention, the sweeping robot further comprises an air inlet silicon seal gasket, and the air inlet silicon seal gasket is disposed at the air inlet of an air intake passage.

As an improvement of the present invention, the motor is fixed at the lower cover via a first fastener.

As an improvement of the present invention, the sealing intermediate cover is disposed on the lower cover via a second connector.

As an improvement of the present invention, the second connector is a screw or a clamping fastener.

In the present invention, the sweeping robot comprises a bottom shell, a face shell forming an accommodation chamber together with the bottom shell, and a lower cover, an upper cover, a sealing intermediate cover, a fan unit, and a motor which are disposed in the accommodation chamber, wherein the motor is fixed at the lower cover; the fan unit is mounted on an output shaft of the motor, and is located on the lower cover; the sealing intermediate cover covers the lower cover; the lower cover is provided with an air inlet; the sealing intermediate cover and the lower cover together limit the fan unit inside; the upper cover and the sealing intermediate cover form therebetween an air outtake passage in communication with the fan unit; and the bottom shell and the face shell are provided therebetween with an exhaust passage in communication with the air outtake passage. The exhaust passage of the present invention is located between the bottom shell and the face shell. Compared with the prior art, the present invention has a smaller volume, a simpler structure, and a lower cost. The exhaust passage of the present invention can improve the utilization ratio of the fan, and has a stronger suction force.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a stereoscopic schematic view of the prior art;

FIG. 2 is a vertical schematic view according to one embodiment of the present invention;

FIG. 3 is a sectional schematic view in the A-A direction of FIG. 2;

FIG. 4 is a partial exploded structural schematic view according to the present invention; and

FIG. 5 is an upward schematic view of FIG. 2.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

With reference to FIG. 2-5, FIG. 2-5 disclose a sweeping robot, comprising a bottom shell 81, a face shell 82 forming an accommodation chamber together with the bottom shell 81, and a fan assembly disposed in the accommodation chamber, wherein the fan assembly comprises a lower cover 1, an upper cover 2, a sealing intermediate cover 3, a fan unit 4, and a motor 5; the motor 5 is fixed at the lower cover 1; the fan unit 4 is mounted on an output shaft 51 of the motor 5, and is located on the lower cover 1; the sealing intermediate cover 3 covers the lower cover 1; the lower cover 1 is provided with an air inlet; the sealing intermediate cover 3 and the lower cover 1 together limit the fan unit 4 inside; the upper cover 2 and the sealing intermediate cover 3 form therebetween an air outtake passage 31 in communication with the fan unit 4; and the bottom shell 81 and the face shell 82 is provided therebetween with an exhaust passage 32 in communication with the air outtake passage 31. The exhaust passage 32 of the present invention is located between the bottom shell 81 and the face shell 82. Compared with the prior art, the present invention has a smaller volume, and a simpler structure. The exhaust passage of the present invention can improve the utilization ratio of the fan, and has a stronger suction force.

In the present invention, preferably, a plurality of air outtake holes 84 are disposed on a side surface of the face shell 82, and the plurality of air outtake holes 84 are in communication with the exhaust passage 32. To be specific, in the embodiment, the plurality of air outtake holes 84 incline upward. As shown by the arrow in FIG. 3, the air is blown out of the exhaust passage 32 in an upward oblique direction, thus avoiding the generation of a fugitive dust phenomenon, preventing secondary pollution (especially for a large fan), and avoiding blowing dust to a swept region again.

In the present invention, preferably, the upper cover 2 covers the sealing intermediate cover 3, and the sealing intermediate cover 3 is integrated by means of injection molding. Such configuration mode has a simpler structure, less components and parts, less fault points, and better sealing performance.

In the present invention, preferably, the sweeping robot further comprises an air inlet silicon seal gasket 85, and the air inlet silicon seal gasket 85 is disposed at the air inlet of an air intake passage, so as to improve the sealing tightness of the air inlet and a roller brush assembly.

In the present invention, preferably, the motor 5 is fixed at the lower cover 1 via a first fastener; the sealing intermediate cover 3 is disposed on the lower cover 1 via a second connector. In the present invention, preferably, the second connector is a screw or a clamping fastener.

TECHNICAL FIELD

The present invention relates to the field of intelligent robots, and more particular to a sweeping robot.

BACKGROUND

At present, the operation mode of the existing intelligent sweeping robot on the market is mainly divided into “suction” and “sweeping”, wherein the “suction” cannot be separated from a fan, and the structural design of the fan can fundamentally influence “suction force”. FIG. 1 shows an existing sweeping robot; the fan has a narrow exhaust passage 100 and a large turn, which not only reduces the extension of the suction force, but also directly exhausts the air at the tail of the exhaust passage without adjusting the direction of the exhausted air. The problems not only reduce the utilization rate of the fan itself, but also are adverse to the improvement the use efficiency of the intelligent sweeping robot. In addition, in a fan assembly of the sweeping robot in the prior art, the exhaust passage 100 thereof is separately disposed, thus improving the structural complexity and cost of the fan assembly, and improving labor assembly cost and raw material cost. The loss of the effective utilization rate of the fan reduces the suction force of the fan.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides the society with a sweeping robot capable of improving the utilization ratio of the fan, and having a stronger suction force and a more compact structure.

The technical solution of the present invention is: provided is a sweeping robot, comprising a bottom shell, a face shell forming an accommodation chamber together with the bottom shell, and a fan assembly disposed in the accommodation chamber, wherein the fan assembly comprises a lower cover, an upper cover, a sealing intermediate cover, a fan unit, and a motor; the motor is fixed at the lower cover; the fan unit is mounted on an output shaft of the motor, and is located on the lower cover; the sealing intermediate cover covers the lower cover; the lower cover is provided with an air inlet; the sealing intermediate cover and the lower cover together limit the fan unit inside; the upper cover and the sealing intermediate cover form therebetween an air outtake passage in communication with the fan unit; an air outlet of the air outtake passage is directly opposite to the bottom shell; and the bottom shell and the face shell form therebetween an exhaust passage in communication with the air outtake passage.

As an improvement of the present invention, a plurality of air outtake holes are disposed on a side surface of the face shell, and the plurality of air outtake holes are in communication with the exhaust passage.

As an improvement of the present invention, the plurality of air outtake holes incline upward.

As an improvement of the present invention, the upper cover covers the sealing intermediate cover, and the sealing intermediate cover is integrated by means of injection molding.

As an improvement of the present invention, the sweeping robot further comprises an air inlet silicon seal gasket, and the air inlet silicon seal gasket is disposed at the air inlet of an air intake passage.

As an improvement of the present invention, the motor is fixed at the lower cover via a first fastener.

As an improvement of the present invention, the sealing intermediate cover is disposed on the lower cover via a second connector.

As an improvement of the present invention, the second connector is a screw or a clamping fastener.

In the present invention, the sweeping robot comprises a bottom shell, a face shell forming an accommodation chamber together with the bottom shell, and a lower cover, an upper cover, a sealing intermediate cover, a fan unit, and a motor which are disposed in the accommodation chamber, wherein the motor is fixed at the lower cover; the fan unit is mounted on an output shaft of the motor, and is located on the lower cover; the sealing intermediate cover covers the lower cover; the lower cover is provided with an air inlet; the sealing intermediate cover and the lower cover together limit the fan unit inside; the upper cover and the sealing intermediate cover form therebetween an air outtake passage in communication with the fan unit; and the bottom shell and the face shell are provided therebetween with an exhaust passage in communication with the air outtake passage. The exhaust passage of the present invention is located between the bottom shell and the face shell. Compared with the prior art, the present invention has a smaller volume, a simpler structure, and a lower cost. The exhaust passage of the present invention can improve the utilization ratio of the fan, and has a stronger suction force.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a stereoscopic schematic view of the prior art;

FIG. 2 is a vertical schematic view according to one embodiment of the present invention;

FIG. 3 is a sectional schematic view in the A-A direction of FIG. 2;

FIG. 4 is a partial exploded structural schematic view according to the present invention; and

FIG. 5 is an upward schematic view of FIG. 2.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

With reference to FIG. 2-5, FIG. 2-5 disclose a sweeping robot, comprising a bottom shell 81, a face shell 82 forming an accommodation chamber together with the bottom shell 81, and a fan assembly disposed in the accommodation chamber, wherein the fan assembly comprises a lower cover 1, an upper cover 2, a sealing intermediate cover 3, a fan unit 4, and a motor 5; the motor 5 is fixed at the lower cover 1; the fan unit 4 is mounted on an output shaft 51 of the motor 5, and is located on the lower cover 1; the sealing intermediate cover 3 covers the lower cover 1; the lower cover 1 is provided with an air inlet; the sealing intermediate cover 3 and the lower cover 1 together limit the fan unit 4 inside; the upper cover 2 and the sealing intermediate cover 3 form therebetween an air outtake passage 31 in communication with the fan unit 4; and the bottom shell 81 and the face shell 82 is provided therebetween with an exhaust passage 32 in communication with the air outtake passage 31. The exhaust passage 32 of the present invention is located between the bottom shell 81 and the face shell 82. Compared with the prior art, the present invention has a smaller volume, and a simpler structure. The exhaust passage of the present invention can improve the utilization ratio of the fan, and has a stronger suction force.

In the present invention, preferably, a plurality of air outtake holes 84 are disposed on a side surface of the face shell 82, and the plurality of air outtake holes 84 are in communication with the exhaust passage 32. To be specific, in the embodiment, the plurality of air outtake holes 84 incline upward. As shown by the arrow in FIG. 3, the air is blown out of the exhaust passage 32 in an upward oblique direction, thus avoiding the generation of a fugitive dust phenomenon, preventing secondary pollution (especially for a large fan), and avoiding blowing dust to a swept region again.

In the present invention, preferably, the upper cover 2 covers the sealing intermediate cover 3, and the sealing intermediate cover 3 is integrated by means of injection molding. Such configuration mode has a simpler structure, less components and parts, less fault points, and better sealing performance.

In the present invention, preferably, the sweeping robot further comprises an air inlet silicon seal gasket 85, and the air inlet silicon seal gasket 85 is disposed at the air inlet of an air intake passage, so as to improve the sealing tightness of the air inlet and a roller brush assembly.

In the present invention, preferably, the motor 5 is fixed at the lower cover 1 via a first fastener; the sealing intermediate cover 3 is disposed on the lower cover 1 via a second connector. In the present invention, preferably, the second connector is a screw or a clamping fastener.

Claims

1. A sweeping robot, comprising a bottom shell (81), a face shell (82) forming an accommodation chamber together with the bottom shell (81), and a fan assembly disposed in the accommodation chamber, wherein the fan assembly comprises a lower cover (1), an upper cover (2), a sealing intermediate cover (3), a fan unit (4), and a motor (5); the motor (5) is fixed at the lower cover (1); the fan unit (4) is mounted on an output shaft (51) of the motor (5), and is located on the lower cover (1); the sealing intermediate cover (3) covers the lower cover (1); the lower cover (1) is provided with an air inlet; the sealing intermediate cover (3) and the lower cover (1) together limit the fan unit (4) inside; the upper cover (2) and the sealing intermediate cover (3) form therebetween an air outtake passage (31) in communication with the fan unit (4); an air outlet (311) of the air outtake passage (31) is directly opposite to the bottom shell (81); and the bottom shell (81) and the face shell (82) form therebetween an exhaust passage (32) in communication with the air outtake passage (31).

2. The sweeping robot according to claim 1, wherein a plurality of air outtake holes (84) are disposed on a side surface of the face shell (82), and the plurality of air outtake holes (84) are in communication with the exhaust passage (32).

3. The sweeping robot according to claim 2, wherein the plurality of air outtake holes (84) incline upward.

4. The sweeping robot according to claim 1, wherein the upper cover (2) covers the sealing intermediate cover (3), and the sealing intermediate cover (3) is integrated by means of injection molding.

5. The sweeping robot according to claim 1, wherein the sweeping robot further comprises an air inlet silicon seal gasket (85), and the air inlet silicon seal gasket (85) is disposed at the air inlet of an air intake passage.

6. The sweeping robot according to claim 1, wherein the motor (5) is fixed at the lower cover (1) via a first fastener.

7. The sweeping robot according to claim 1, wherein the sealing intermediate cover (3) is disposed on the lower cover (1) via a second connector.

8. The sweeping robot according to claim 7, wherein the second connector is a screw or a clamping fastener.

9. The sweeping robot according to claim 2, wherein the upper cover (2) covers the sealing intermediate cover (3), and the sealing intermediate cover (3) is integrated by means of injection molding.

10. The sweeping robot according to claim 3, wherein the upper cover (2) covers the sealing intermediate cover (3), and the sealing intermediate cover (3) is integrated by means of injection molding.

11. The sweeping robot according to claim 2, wherein the sweeping robot further comprises an air inlet silicon seal gasket (85), and the air inlet silicon seal gasket (85) is disposed at the air inlet of an air intake passage.

12. The sweeping robot according to claim 3, wherein the sweeping robot further comprises an air inlet silicon seal gasket (85), and the air inlet silicon seal gasket (85) is disposed at the air inlet of an air intake passage.

13. The sweeping robot according to claim 2, wherein the motor (5) is fixed at the lower cover (1) via a first fastener.

14. The sweeping robot according to claim 3, wherein the motor (5) is fixed at the lower cover (1) via a first fastener.

15. The sweeping robot according to claim 2, wherein the sealing intermediate cover (3) is disposed on the lower cover (1) via a second connector.

16. The sweeping robot according to claim 3, wherein the sealing intermediate cover (3) is disposed on the lower cover (1) via a second connector.