Sweeper dust box compression gear motor

Abstract

The utility model relates to the technical field of sweepers, in particular to a sweeper dust box compression gear motor which comprises an output assembly and a motor in driving connection with the output assembly. The output assembly comprises a cavity, a main gear arranged in the cavity, a first transmission assembly meshed with the main gear, a second transmission assembly in transmission connection with the first transmission assembly and an inner gear ring arranged in the cavity and meshed with the first transmission assembly and the second transmission assembly, and the output end of the motor is in driving connection with the main gear. A magnetic ring is arranged at the end, away from the main gear, of the motor and used for being matched with an external Hall element for use. According to the dust box, the second transmission assembly is connected with the external dust pressing plate, and the magnetic ring is matched with the external Hall element for use, so that the dust compression position and torque are accurately controlled, the purpose of compacting dust is achieved, and the dust collection efficiency and the storage performance of the dust box are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sweeper technology field especially relates to a sweeper dust box compression reduction motor. BACKGROUND

[0002] The sweeper is a kind of intelligent cleaning household appliance, its main function is to remove the dust and garbage on the ground by rotating brush and dust collector, better to complete cleaning, dust collection and mopping and other cleaning tasks, to reduce the cleaning burden of people, to improve the quality of life.The dust box is an important component in the sweeper for storing the dust and garbage sucked in the cleaning process, wherein, the reduction motor mainly plays the role of adjusting the speed in the dust box, the reduction motor drives the blade to rotate at high speed to generate negative pressure effect, so that air is sucked in and drives dust, garbage and stains into the dust box, to meet different cleaning needs.But the existing dust box causes a lot of dust in the cleaning process, it is difficult to attach and settle down the dust particles to reduce the flying degree of dust, resulting in low dust collection efficiency, and further affecting the storage performance of the dust box. SUMMARY

[0003] The utility model aims at the shortage of prior art, provide a kind of sweeper dust box compression reduction motor, by the second transmission component and the dust compression plate of outside connection, and the cooperation between magnetic ring and the hall element of outside, accurately control the position and torque of dust compression, to reach the purpose of compacting dust, further improve the dust collection efficiency and storage performance of dust box.

[0004] To achieve the above object, a kind of sweeper dust box compression reduction motor of the utility model, including output component and the motor of driving connection with output component, the output component includes cavity, the main gear of being arranged in cavity, the first transmission component meshed with main gear, the second transmission component of transmission connection with first transmission component and the inner tooth ring of being arranged in cavity and being meshed with first transmission component, second transmission component, the output end of the motor is drivingly connected with main gear, the magnetic ring is arranged at the end of motor away from main gear, the magnetic ring is used for the cooperation of the hall element of outside.

[0005] Preferably, the first transmission component includes first planet carrier, transmission gear is arranged on one side of first planet carrier, first gear shaft is arranged on the other side of first planet carrier, and first planetary gear is arranged on first gear shaft, first gear shaft and first planetary gear are respectively provided with three, the connecting line of three first gear shafts forms a triangle, and the connecting line of three first planetary gears forms a triangle.

[0006] Preferably, the second transmission assembly comprises a second planet carrier, a second output shaft arranged on one side of the second planet carrier, a second gear shaft arranged on the other side of the second planet carrier, and a second planet gear arranged on the second gear shaft, the second gear shaft and the second planet gear are respectively arranged with three, the connecting line of the three second gear shafts forms a triangle, and the connecting line of the three second planet gears forms a triangle, so that the three second planet gears are arranged around the circumference of the transmission gear and are in transmission connection with the transmission gear.

[0007] Preferably, the first planet gear and the second planet gear are respectively provided with an annular arc surface arranged around the end surface of the first planet gear and the second planet gear.

[0008] Preferably, the cavity is provided with an end cover for covering the opening of the cavity, the end cover is provided with a connecting screw, the motor is provided with a connecting hole, and the connecting screw passes through the end cover and is connected with the connecting hole.

[0009] Preferably, the outer circumferential wall of the end cover is provided with a mounting screw, and the outer wall of the cavity is provided with a mounting hole, and the mounting screw passes through the mounting hole and is connected with the end cover.

[0010] Preferably, the motor is provided with a circuit board at one end close to the magnetic ring, and the circuit board is electrically connected with the motor and the magnetic ring.

[0011] The beneficial effects of the utility model are as follows: through the cooperation of the second transmission assembly and the dust compression plate connected with the outside, and the magnetic ring and the Hall element connected with the outside, the position and torque of dust compression are accurately controlled, so that the dust is compacted, and the dust collection efficiency and storage performance of the dust box are improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model.

[0013] Figure 2 It is an exploded structural schematic view of the utility model.

[0014] Figure 3 It is a first planet carrier structural schematic view of the utility model.

[0015] Figure 4 It is a first planet gear structural schematic view of the utility model.

[0016] Figure 5 It is a motor structural schematic view of the utility model.

[0017] The attached drawings include:

[0018] 1 - output assembly 11 - cavity 12 - main gear

[0019] 13 - first transmission assembly 131 - first planet carrier 132 - transmission gear

[0020] 133 - first gear shaft 134 - first planet gear

[0021] 14 - second transmission assembly 141 - second planet carrier 142 - output shaft

[0022] 143 - second gear shaft 144 - second planet gear

[0023] 15 - inner ring gear 16 - magnetic ring 17 - annular circular surface

[0024] 18 - end cover 19 - connecting screw 110 - mounting screw

[0025] 111 - mounting hole

[0026] 2 - motor 21 - connecting hole

[0027] 3 - circuit board. DETAILED DESCRIPTION

[0028] The utility model is described in detail below in combination with the drawings.

[0029] As Figures 1 to 5 shown, the utility model relates to a dust box compression reduction motor of sweeper, including output assembly 1 and motor 2 of drive connection with output assembly 1, output assembly 1 includes cavity 11, sets up the main gear 12 of cavity 11, the first transmission assembly 13 of engagement with main gear 12, the second transmission assembly 14 of transmission connection with first transmission assembly 13 and sets up in cavity 11 and with first transmission assembly 13, second transmission assembly 14 engagement inner ring gear 15, the output end of motor 2 is drive connected with main gear 12, the one end of motor 2 is away from main gear 12 and is provided with magnetic ring 16, magnetic ring 16 is used for the cooperation of outside hall element.

[0030] When working, the motor 2 drives the main gear 12 to rotate, the rotating main gear 12 is engaged with the first transmission assembly 13 to drive the second transmission assembly 14 to rotate, at the same time, the first transmission assembly 13 and the second transmission assembly 14 are engaged to rotate around the outer periphery of the inner gear ring 15, the transmission efficiency is high and strong driving force is provided, and the second transmission assembly 14 is connected with the dust pressing plate, the output end of the motor 2 is connected with the main gear 12 and the magnetic ring 16, when the magnetic ring 16 rotates with the output end of the motor 2, the change of the internal magnetic field can be inducted by the external Hall element, and the Hall element outputs an electric signal according to the change of the magnetic field, the signal can be used to detect the rotating speed, position or other physical quantity, so that the rotating position of the dust pressing plate is accurately controlled, more accommodation space is provided, and the dust collecting effect is good.

[0031] The first transmission assembly 13 of the embodiment comprises a first planet carrier 131, a transmission gear 132 arranged on one side of the first planet carrier 131, a first gear shaft 133 arranged on the other side of the first planet carrier 131 and a first planetary gear 134 arranged on the first gear shaft 133, and the first gear shaft 133 and the first planetary gear 134 are respectively arranged in three, and the connecting lines of the three first gear shafts 133 form a triangle, and the connecting lines of the three first planetary gears 134 form a triangle. Specifically, the three first planetary gears 134 are arranged around the circumference of the main gear 12, when the main gear 12 rotates, the three first planetary gears 134 are driven to rotate synchronously by the main gear 12, since the three first planetary gears 134 are arranged on the three first gear shafts 133 respectively, the first planet carrier 131 is driven to rotate as a whole, the first planet carrier 131 drives the second transmission assembly 14 to rotate through the transmission gear 132, the traditional three-stage planetary structure is adjusted to two stages, the reduction ratio is 100, the transmission efficiency is improved by 15%, the thickness is reduced, the assembly space of the dust box is reduced, the structure design is optimized, the manufacturing cost of the parts is greatly reduced, the transmission accuracy is improved, and the structure design of the three first gear shafts 133 can greatly reduce the friction resistance generated by the three first planetary gears 134 during rotation, improve the transmission efficiency and transmission smoothness.

[0032] The second transmission assembly 14 of the embodiment comprises a second planet carrier 141, a second output shaft 142 arranged on one side of the second planet carrier 141, a second gear shaft 143 arranged on the other side of the second planet carrier 141, and a second planet gear 144 arranged on the second gear shaft 143, wherein the second gear shaft 143 and the second planet gear 144 are respectively arranged in three, the connecting lines of the three second gear shafts 143 form a triangle, and the connecting lines of the three second planet gears 144 form a triangle, so that the three second planet gears 144 are arranged around the circumference of the transmission gear 132 and are in transmission connection with the transmission gear 132. Specifically, the three second planet gears 144 are arranged around the circumference of the transmission gear 132 and are in transmission connection with the transmission gear 132, when the transmission gear 132 rotates, the three second planet gears 144 are driven to rotate synchronously by the transmission gear 132, since the three second planet gears 144 are respectively arranged on the three second gear shafts 143, the second planet carrier 141 is driven to rotate as a whole, the second planet carrier 141 drives the dust pressing plate outside to rotate through the output shaft 142, and the dust is compacted by the rotation of the dust pressing plate.

[0033] The first planet gear 134 and the second planet gear 144 of the embodiment are respectively provided with an annular arc surface 17 arranged around the end surface of the first planet gear 134 and the second planet gear 144. Specifically, the annular arc surface 17 is arranged around the end surface of the first planet gear 134 and the second planet gear 144, since the annular arc surface 17 is designed in this structure, the traditional flat structure design and boss structure design are replaced, the friction caused in the rotation process is greatly reduced, the transmission efficiency is improved, and the noise is also reduced.

[0034] The cavity 11 of the embodiment is provided with an end cover 18 for sealing the opening of the cavity 11, the end cover 18 is provided with a connecting screw 19, the motor 2 is provided with a connecting hole 21, and the connecting screw 19 passes through the end cover 18 and is connected with the connecting hole 21. Specifically, the end cover 18 is connected and sealed at the opening of the cavity 11, the connecting screw 19 passes through the end cover 18 and is connected with the connecting hole 21, so that the end cover 18 is connected and fixed on the motor 2, a sealing ring is arranged between the output end of the motor 2 and the end cover 18, the oil in the reduction gearbox is greatly reduced to penetrate into the interior of the motor 2, thereby reducing the failure rate of the motor 2.

[0035] The outer peripheral wall of the end cover 18 of the embodiment is provided with mounting screws 110, the outer wall of the cavity 11 is provided with mounting holes 111, the mounting screws 110 pass through the mounting holes 111 and are connected with the end cover 18. Specifically, as preferred, the mounting holes 111 are provided with four, the four mounting holes 111 are circumferentially arranged around the outer wall of the cavity 11, the mounting screws 110 are provided with four, the four mounting screws 110 respectively pass through the four mounting holes 111 and are connected with the end cover 18, thereby realizing the connection and fixation of the end cover 18 on the cavity 11, and the connection is stable and reliable.

[0036] The motor 2 of the embodiment is provided with a circuit board 3 near one end of the magnetic ring 16, the circuit board 3 is electrically connected with the motor 2 and the magnetic ring 16. Specifically, the circuit board 3 is arranged outside the motor 2, and the circuit board 3 is electrically connected with the motor 2 and the magnetic ring 16, thereby intelligently controlling the running speed of the motor 2, and also adjusting the rotating speed of the magnetic ring 16.

[0037] The above is only the preferred embodiment of the present application, for those skilled in the art, according to the idea of the present application, the specific implementation and application range will be changed, the content of the specification should not be understood as the limitation of the present application.

Claims

1. A dust box compression reduction motor for a robot vacuum cleaner, characterized by: The output assembly comprises a cavity, a main gear arranged in the cavity, a first transmission assembly meshing with the main gear, a second transmission assembly in transmission connection with the first transmission assembly, and an inner gear ring arranged in the cavity and meshing with the first transmission assembly and the second transmission assembly.

2. The dust box compression reduction motor of a robot vacuum cleaner according to claim 1, wherein: The first transmission assembly comprises a first planet carrier, a transmission gear arranged on one side of the first planet carrier, a first gear shaft arranged on the other side of the first planet carrier, and a first planetary gear arranged on the first gear shaft.

3. The dust box compression reduction motor of a robot vacuum cleaner according to claim 2, wherein: The second transmission assembly comprises a second planet carrier, an output shaft arranged on one side of the second planet carrier, a second gear shaft arranged on the other side of the second planet carrier, and a second planetary gear arranged on the second gear shaft.

4. The dust box compression reduction motor of a robot vacuum cleaner according to claim 3, wherein: The first planetary gear and the second planetary gear are both provided with an annular arc surface, which is arranged around the end surface of the first planetary gear and the second planetary gear.

5. The dust box compression reduction motor of a robot vacuum of claim 1, wherein: The cavity is provided with an end cover for covering the opening of the cavity.

6. The dust box compression reduction motor of a robot vacuum cleaner according to claim 5, wherein: The outer circumferential wall of the end cover is provided with a mounting screw, and the outer wall of the cavity is provided with a mounting hole.

7. The dust box compression reduction motor of a robot vacuum cleaner according to claim 1, wherein: The end of the motor close to the magnetic ring is provided with a circuit board, which is in electrical connection with the motor and the magnetic ring.

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