A dust extractor motor

Abstract

A kind of dust collector motor, including shell, fan drive motor, fan, fan cover, fan drive motor is connected on shell, air outlet is provided on the shell around fan drive motor, the driving shaft of fan drive motor passes through the through-hole of shell end and is connected with fan, fan cover is covered in shell end, fan is located in the air suction cavity surrounded by fan cover and shell end, air suction cavity is connected with air outlet, the other end of driving shaft extends shell and is connected with the brush roll that can clean dust in dust suction pipeline.The utility model discloses the advantages are as follows: brush roll can rotate with driving shaft, so dust collector motor is working at the same time, brush roll also works, the airflow generated by brush roll rotation can blow away the fine dust and fluff attached on electric wire and inner wall, realize the self-cleaning of dust collector inner cavity, prolong the service life of dust collector.

Description

Technical Field

[0001] This utility model relates to the field of vacuum cleaner motor technology, and more particularly to a vacuum cleaner motor with unobstructed suction pipes. Background Technology

[0002] A Chinese invention patent application (CN201710734233.8) entitled "A Vacuum Cleaner Motor and Vacuum Cleaner" discloses a high-speed brushless vacuum cleaner motor and vacuum cleaner employing a magnetic levitation bearing. This invention's vacuum cleaner motor includes a stator and a rotor rotatably disposed within the stator. The vacuum cleaner motor is equipped with a magnetic levitation bearing that suspends the rotor within the stator, ensuring that the rotor does not contact any object during operation. However, this vacuum cleaner motor lacks the ability to clean debris adhering to the wiring, and the motor mounting cavity lacks a cleaning structure; therefore, the structure of this vacuum cleaner requires further improvement. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a vacuum cleaner motor that can improve the self-cleaning performance of the motor mounting cavity and has a better working effect, in view of the above-mentioned existing technology.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: This vacuum cleaner motor includes a housing, a fan drive motor, a fan, and a fan shroud. The fan drive motor is connected to the housing, and an air outlet is provided on the housing around the fan drive motor. The drive shaft of the fan drive motor passes through a through hole at the end of the housing and is connected to the fan. The fan shroud covers the end of the housing. The fan is located in the suction chamber formed by the fan shroud and the end of the housing. The suction chamber is connected to the air outlet. The other end of the drive shaft extends out of the housing and is connected to a roller brush that can clean dust in the vacuum pipe.

[0005] As an improvement, the end of the fan drive motor can preferably be provided with a boss, through which the drive shaft passes and connects to the roller brush. This results in a more stable connection.

[0006] Further improvements include the roller brush preferably comprising a cylindrical brush body and upper and lower clamping plates that hold the brush body in place. The top view of the brush body shows a floral structure formed by a cyclic arrangement of concave and convex structures. This results in stronger airflow and better performance.

[0007] Further improvements include ensuring that the top-view projection area of ​​both the upper and lower clamping plates is larger than the top-view projection area of ​​the brush body. This extends the service life of the roller brush.

[0008] As an improvement, the end of the housing may preferably be provided with a connecting plate, the fan cover is placed on the connecting plate, and the air outlet is located on the connecting plate around the fan. This results in a more stable and secure connection.

[0009] As a further improvement, connecting protrusions that can connect the housing to the vacuum cleaner can preferably be spaced apart on the end face of the connecting disc. This results in a more stable and secure connection.

[0010] As a further improvement, a positioning recess for inserting a vacuum cleaner connection protrusion can preferably be provided on the side wall of the connecting disc. This results in a more stable and secure connection.

[0011] As an improvement, cooling through holes can preferably be provided on the housing of the fan drive motor. This can extend the service life of the fan drive motor.

[0012] As an improvement, a positioning protrusion that increases the rotational stability of the drive shaft can preferably be provided at the end of the housing. The drive shaft passes through the protrusion through a hole in the positioning protrusion, and a fan recess that can accommodate the positioning protrusion is provided on the end face of the fan. This results in a more compact structure and better stability.

[0013] Further improvements include the fan preferably comprising an upper blade, a lower blade, and several blades sandwiched between the upper and lower blades, reducing manufacturing complexity.

[0014] Compared with the prior art, the advantages of this utility model are as follows: the fan drive motor is connected to the housing, and an air outlet is provided on the housing around the fan drive motor. The drive shaft of the fan drive motor passes through the through hole at the end of the housing and is connected to the fan. The fan cover is on the end of the housing, and the fan is located in the suction chamber formed by the fan cover and the end of the housing. The suction chamber is connected to the air outlet. This structure is simple and compact, which can effectively reduce the space occupied by the motor. Some fine dust and lint may pass through the filter screen, be sucked in by the fan, and fly out from the air outlet, adhering to the power line of the fan drive motor or adhering to the inner wall of the battery installation cavity. The other end of the drive shaft extends out of the housing and is connected to the roller brush that can clean the dust in the vacuum tube. The roller brush can rotate with the drive shaft. Therefore, the roller brush is working at the same time as the vacuum cleaner motor. The airflow generated by the rotation of the roller brush can blow away the fine dust and lint adhering to the wire and the inner wall, realizing the self-cleaning of the vacuum cleaner cavity and extending the service life of the vacuum cleaner. Attached Figure Description

[0015] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0016] Figure 2 for Figure 1 A bottom view;

[0017] Figure 3 yes Figure 2 Cross-sectional view along line AA;

[0018] Figure 4 yes Figure 1 Exploded structural diagram;

[0019] Figure 5 yes Figure 4 Further structural decomposition diagram;

[0020] Figure 6 yes Figure 5 Further structural decomposition diagram;

[0021] Figure 7 yes Figure 6 The structural decomposition diagram after removing the decomposed parts. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] like Figures 1 to 7 As shown, the vacuum cleaner motor of this embodiment includes a housing 1, a fan drive motor 2, a fan 3, and a fan shroud 4. The fan drive motor 2 is connected to the housing 1, and a power connector is provided at the end of the fan drive motor 2. The fan drive motor 2 is connected to a wire through the power connector, and then connected to a power source through the wire. The internal structure of the fan drive motor 2 is known technology, including a stator and a rotor. Since the specific structure of the fan drive motor 2 is known technology, it will not be described in detail. Figure 3 For simplicity, the specific structure of the fan drive motor 2 is omitted in the cross-sectional view. An air outlet 1 is provided on the housing 1 surrounding the fan drive motor. The drive shaft 21 of the fan drive motor 2 passes through the through hole at the end of the housing and is connected to the fan 3. The fan cover 4 covers the end of the housing. The fan 3 is located in the air intake chamber 41 formed by the fan cover 4 and the end of the housing. The air intake chamber 41 is connected to the air outlet 11. The other end of the drive shaft 21 extends out of the housing 1 and is connected to the roller brush 5 that can clean the dust in the dust collection pipe.

[0024] The fan drive motor 2 has a boss 22 at its end, and the drive shaft 21 passes through the boss 22 and connects to the roller brush 5. The roller brush 5 includes a cylindrical brush body and upper and lower clamping plates that hold the brush body. The top view of the brush body shows a flower-shaped structure formed by a series of concave and convex structures. The top view projection areas of the upper and lower clamping plates are both larger than the top view projection area of ​​the brush body.

[0025] A connecting plate 12 is provided at the end of the housing 1, and a fan cover 4 is placed on the connecting plate 12. The air outlet 11 is located on the connecting plate 12 around the fan. Connecting protrusions 13 are distributed at intervals on the end face of the connecting plate 12 to connect the housing 1 to the vacuum cleaner. Positioning recesses 14 are provided on the side wall of the connecting plate 12 to accommodate the connecting protrusions of the vacuum cleaner. Cooling through holes 23 are provided on the housing of the fan drive motor 2. Positioning protrusions 15 are provided at the end of the housing 1 to increase the rotational stability of the drive shaft 21. The drive shaft 21 passes through the through hole of the positioning protrusion 15. A fan recess is provided on the end face of the fan 3 to accommodate the positioning protrusion 15. The fan 3 includes an upper fan blade 31, a lower fan blade 32, and several fan blades 33 sandwiched between the upper fan blade 31 and the lower fan blade 32.

Claims

1. A vacuum cleaner motor, comprising a housing (1), a fan drive motor (2), a fan (3), and a fan shroud (4), characterized in that: The fan drive motor (2) is connected to the housing (1). An air outlet (11) is provided on the housing (1) around the fan drive motor. The drive shaft (21) of the fan drive motor (2) passes through the through hole at the end of the housing and is connected to the fan (3). The fan cover (4) covers the end of the housing. The fan (3) is located in the air intake chamber (41) formed by the fan cover (4) and the end of the housing. The air intake chamber (41) is connected to the air outlet (11). The other end of the drive shaft (21) extends out of the housing (1) and is connected to the roller brush (5) that can clean the dust in the dust collection pipe.

2. The vacuum cleaner motor according to claim 1, characterized in that: The fan drive motor (2) has a boss (22) at its end, and the drive shaft (21) passes through the boss (22) and is connected to the roller brush (5).

3. The vacuum cleaner motor according to claim 2, characterized in that: The roller brush (5) includes a cylindrical brush body and an upper clamping plate and a lower clamping plate that hold the brush body. The top view of the brush body shows a flower-shaped structure formed by a series of concave and convex structures.

4. The vacuum cleaner motor according to claim 3, characterized in that: The top-view projection area of ​​both the upper and lower clips is larger than the top-view projection area of ​​the brush body.

5. The vacuum cleaner motor according to any one of claims 1 to 4, characterized in that: The end of the housing (1) is provided with a connecting plate (12), the fan cover (4) covers the connecting plate (12), and the air outlet (11) is located on the connecting plate (12) around the fan.

6. The vacuum cleaner motor according to claim 5, characterized in that: Connecting protrusions (13) that can connect the housing (1) to the vacuum cleaner are distributed at intervals on the end face of the connecting disc (12).

7. The vacuum cleaner motor according to claim 5, characterized in that: A positioning recess (14) for inserting a vacuum cleaner connection protrusion is provided on the side wall of the connecting disc body (12).

8. The vacuum cleaner motor according to any one of claims 1 to 4, characterized in that: Cooling holes (23) are provided on the housing of the fan drive motor (2).

9. The vacuum cleaner motor according to any one of claims 1 to 4, characterized in that: A positioning protrusion (15) is provided at the end of the housing (1) to increase the rotational stability of the drive shaft (21). The drive shaft (21) passes through the protrusion through hole of the positioning protrusion (15). A fan recess is provided on the end face of the fan (3) to accommodate the positioning protrusion (15).

10. The vacuum cleaner motor according to claim 9, characterized in that: The fan (3) includes an upper fan blade (31), a lower fan blade (32), and several fan blades (33) sandwiched between the upper fan blade (31) and the lower fan blade (32).

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