Low-cost intelligent mower driving motor

By designing a low-cost intelligent lawnmower drive motor using outer case, stator, hollow shaft and ferrite, the problems of large space occupation, complex process and high cost in the existing technology are solved, and efficient and stable drive motors reduce production and maintenance costs.

CN222508913UActive Publication Date: 2025-02-18SUZHOU KAIHANG ELECTROMOTOR CO LTD
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Patent Information

Application Number
CN202421097699.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-02-18
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing intelligent lawnmower drive motor adopts a transmission structure with an inner rotor and a gearbox, resulting in large space occupation, complex process and high cost.

Method used

A low-cost intelligent lawnmower drive motor is designed, using an outer shell, stator, hollow shaft and ferrite structure. The walking wheel is directly driven through the hollow shaft, without a gear box, and the overall structure is integrated.

Benefits of technology

The drive motor can directly drive the walking wheel, save assembly space, simplify process, improve transmission efficiency, and reduce production and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-cost intelligent mower driving motor, which comprises an outer casing, an end cover is arranged at one end of the outer casing, a stator is arranged in a casing body of the outer casing, and a hollow shaft is arranged in the middle of the stator. Compared with the prior art, the driving motor provided by the utility model has the beneficial effects that compared with the prior art, the driving motor can be matched with a walking wheel to directly drive walking, a gear box does not need to be assembled, a larger assembling space is saved, the manufacturing process is simpler, the transmission efficiency of the motor is high, the working stability of the motor is improved, and the production and maintenance cost of the motor is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of drive motors, in particular to a low-cost intelligent lawn mower drive motor. Background Art

[0002] In the prior art, the drive motor used in the smart lawn mower equipment usually adopts a transmission structure of an inner rotor and a gearbox. However, this transmission structure occupies a large space and must be matched with a gearbox to drive the device. The manufacturing process is complicated and the cost is also high. Utility Model Content

[0003] The purpose of the utility model is to provide a low-cost intelligent lawn mower drive motor to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the utility model provides the following technical solutions: a low-cost intelligent lawn mower drive motor, comprising an outer casing, one end of which is provided with an end cover, a stator is provided inside the outer casing shell, and a hollow shaft is provided in the middle of the stator.

[0005] For further optimization, ferrites are provided at both ends of the stator.

[0006] For further optimization, the two ends of the hollow shaft are respectively provided with an upper bearing and a lower bearing fitted therewith.

[0007] For further optimization, a control circuit board is provided on one side of the stator close to the end cover.

[0008] In a further optimization, the outer casing is connected to the end cover in an interference seal.

[0009] For further optimization, a wiring harness is provided inside the hollow shaft, and one end of the wiring harness is connected to the control circuit board.

[0010] Further optimized, the outer casing, the end cover and the ferrite are an integrated assembly structure.

[0011] Beneficial Effects

[0012] Compared with the prior art, the low-cost intelligent lawn mower drive motor provided by the utility model can be matched with the walking wheels to directly drive the walking, without the need to assemble a gear box, thus saving a large assembly space, and the process is simpler, the motor transmission efficiency is high, the motor working stability is improved, and the production and maintenance costs of the motor are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model.

[0014] Reference numerals

[0015] 1-outer housing, 2-upper bearing, 3-hollow shaft, 4-ferrite, 5-stator, 6-end cover, 7-lower bearing, 8-control circuit board. DETAILED DESCRIPTION

[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0017] Example

[0018] like Figure 1 As shown, a low-cost intelligent lawn mower drive motor includes an outer casing 1, an end cover 6 is provided at one end of the outer casing 1, a stator 5 is provided inside the shell of the outer casing 1, and a hollow shaft 3 is provided in the middle of the stator 5.

[0019] In this embodiment, ferrites 4 are provided at both ends of the stator 5, and the outer housing 1 and the ferrites 4 are connected by bonding and assembly, so the structure is stable.

[0020] The two ends of the hollow shaft 3 are respectively provided with an upper bearing 2 and a lower bearing 7 which are fitted thereon. The installation of the upper and lower bearings enables the hollow shaft 3 to rotate more smoothly.

[0021] A control circuit board 8 is provided on one side of the stator 5 close to the end cover 6 , and the drive motor is controlled by the control circuit board 8 to achieve the purpose of transmission.

[0022] The outer housing 1 is connected to the end cover 6 by interference sealing. The outer housing 1, the end cover 6 and the ferrite 4 serve as a rotating body to provide the output of the internal power.

[0023] A wire harness is arranged inside the hollow shaft 3, and one end of the wire harness is connected to the control circuit board 8 to realize the control of the motor. The outer housing 1, the end cover 6 and the ferrite 4 are an integrated assembly structure.

[0024] The outer casing and the end cover are connected by interference sealing, and the outer casing and the ferrite are assembled by bonding. At the same time, the outer casing, the end cover and the ferrite are used as rotating bodies to realize power output. The hollow shaft is used for the wire harness to extend, and the whole machine is fixedly assembled.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the utility model content within the protection scope of the utility model.

Claims

1. A low-cost intelligent lawn mower drive motor, characterized in that: It comprises an outer casing (1), one end of which is provided with an end cover (6), a stator (5) is provided inside the shell of the outer casing (1), and a hollow shaft (3) is provided in the middle of the stator (5).

2. The low-cost intelligent lawn mower drive motor according to claim 1, characterized in that: Ferrites (4) are provided at both ends of the stator (5).

3. The low-cost intelligent lawn mower drive motor according to claim 1, characterized in that: An upper bearing (2) and a lower bearing (7) which are fitted together are respectively provided at both ends of the hollow shaft (3).

4. The low-cost intelligent lawn mower drive motor according to claim 1, characterized in that: A control circuit board (8) is provided on one side of the stator (5) close to the end cover (6).

5. The low-cost intelligent lawn mower drive motor according to claim 1, characterized in that: The outer casing (1) is connected to the end cover (6) in an interference-sealed manner.

6. The low-cost intelligent lawn mower drive motor according to claim 4, characterized in that: A wiring harness is arranged inside the hollow shaft (3), and one end of the wiring harness is connected to the control circuit board (8).

7. The low-cost intelligent lawn mower drive motor according to claim 2, characterized in that: The outer casing (1), the end cover (6) and the ferrite (4) are an integrally assembled structure.