Multi-functional electric grass trimmer

By equipping the electric lawn mower with an interchangeable turntable, the functions of mowing and grass leaf blowing are realized, which solves the problem of low grass leaf cleaning efficiency and improves lawn maintenance efficiency and cleaning effect.

CN224386235UActive Publication Date: 2026-06-23NINGBO YONGFEITE ELECTRONICS SCI & TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO YONGFEITE ELECTRONICS SCI & TECH
Filing Date
2025-06-06
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing lawn mowers can only cut grass blades, and the grass blades left on the grass after mowing are difficult to clean efficiently. Using brooms or rakes is inefficient.

Method used

A multi-functional electric grass cutter was designed, equipped with interchangeable discs, including a cutting disc and a fan disc, to achieve grass cutting and grass leaf sweeping functions. The fan disc generates a high-speed airflow to sweep the grass leaves to a specific area.

Benefits of technology

It improves lawn maintenance efficiency, making grass removal easier and more effective, and eliminating the need for additional tools.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a multifunctional electric grass beater, and belongs to the technical field of garden tools, which is used for providing a multifunctional electric grass beater capable of gathering cut grass leaves, comprising an extension rod, the upper end of the extension rod is provided with a holding end, a battery cabin is inserted below the holding end, the lower end of the extension rod is connected with a rotary drive through a connecting piece, the shell of the rotary drive is fixedly connected with a protective cover, the output end of the rotary drive extends into the protective cover and is fixedly connected with a replaceable rotating disc, the output end of the electric grass beater is configured with the replaceable rotating disc, so that the electric grass beater has the functions of mowing and blowing, other tools are not needed, and the efficiency of grassland management is effectively improved; the high-speed airflow generated by driving the fan disc can quickly blow the grass leaves between the grass roots on the grassland, and compared with the traditional broom or plow, the structure is more labor-saving and has better cleaning effect.
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Description

Technical Field

[0001] This application relates to the field of garden tool technology, and in particular to a multi-functional electric lawn mower. Background Technology

[0002] A lawn mower, also known as a lawn cutter, is used to cut overgrown weeds to restore the lawn to a relatively flat state. Existing lawn mowers only cut the grass blades, which are left on the grass with grass roots, making them difficult to sweep up with a broom. Using a rake can gather the grass blades together, but it is more efficient. Summary of the Invention

[0003] The purpose of this application is to provide a multi-functional electric grass cutter that can gather cut grass blades.

[0004] To achieve the above objectives, this application provides a multi-functional electric lawn mower: including an extension rod, a gripping end at the upper end of the extension rod, a battery compartment inserted below the gripping end, a rotary drive connected to the lower end of the extension rod via a connector, a protective cover fixedly connected to the housing of the rotary drive, and a replaceable turntable fixedly connected to the output end of the rotary drive inside the protective cover. The replaceable turntable can be of various types according to functional requirements, but at least includes mowing and cleaning functions.

[0005] As a preferred embodiment, the extension rod includes an upper section and a lower section. The lower end of the upper section is fixedly connected to the upper end of the lower section via a connecting tube, allowing the extension rod to change length according to its functional requirements.

[0006] As a preferred embodiment, the gripping end includes a handle fixedly connected to the upper end of the upper section rod, and a hand guard is provided between the outer side of the handle and the rear end. The battery compartment is inserted into the bottom of the hand guard, and the battery compartment is separated from the operator's hand by the hand guard, making it safer to use.

[0007] As a preferred embodiment, the upper section of the rod is further provided with a foldable handrail located below the gripping end. The foldable handrail includes a locking shaft fixedly connected to the upper section of the rod. The locking shaft is rotatably connected to a swingable cantilever. The end of the swingable cantilever away from the locking shaft is connected to a handle, which is the gripping part of the operator's other hand.

[0008] As a preferred embodiment, there are two swingable arms, which are rotatably connected to both ends of the locking shaft. The two ends of the handle are fixedly connected to the two swingable arms, causing the two swingable arms to deflect synchronously. When the foldable armrest needs to be folded up, the swingable arm only needs to be deflected in a direction parallel to the upper section bar; when the foldable armrest needs to be unfolded for use, the swingable arm only needs to be deflected in a direction perpendicular to the upper section bar.

[0009] As a preferred embodiment, the connector includes a fixed sleeve that is fixedly connected to the lower end of the lower section rod, and the housing of the rotary drive is rotatably connected to the fixed sleeve through an adaptive shaft, so that the output direction of the rotary drive is adjustable to the length direction of the extension rod, and can remain stable after adjustment.

[0010] As a preferred option, the replaceable turntable is a cutter disc, used to realize the original grass-cutting function of the lawn mower.

[0011] As another preferred option, the replaceable turntable is a fan disc used to sweep grass clippings from the lawn to a specific area after mowing.

[0012] Compared with the prior art, the beneficial effects of this application are as follows:

[0013] (1) By equipping the output end of the electric lawn mower with an interchangeable turntable, the lawn mower can not only have the function of cutting grass, but also the function of blowing and sweeping, eliminating the need to use other tools and effectively improving the efficiency of lawn maintenance.

[0014] (2) By driving the fan disc to generate high-speed airflow, the grass clippings between the grass roots on the grass can be blown up quickly. Compared with using traditional brooms or rakes, this structure is more labor-saving and has a better cleaning effect. Attached Figure Description

[0015] Figure 1 This is a first three-dimensional schematic diagram of the overall structure of the multi-functional electric lawn mower.

[0016] Figure 2 This is a second three-dimensional schematic diagram of the overall structure of the multi-functional electric lawn mower.

[0017] Figure 3 This is a side view of the multi-functional electric lawn mower.

[0018] Figure 4 This is a three-dimensional structural diagram of the blade of the multi-functional electric lawn mower.

[0019] Figure 5 This is a three-dimensional structural diagram of the fan disc of the multi-functional electric lawn mower.

[0020] In the diagram: 1. Extension rod; 101. Upper section rod; 102. Lower section rod; 103. Connecting cylinder; 2. Foldable handrail; 201. Locking shaft; 202. Swinging cantilever; 203. Handle; 3. Grip end; 301. Hand handle; 302. Hand guard; 4. Battery compartment; 5. Connector; 501. Fixing sleeve; 502. Adaptive shaft; 6. Rotary drive; 7. Protective cover; 8. Replaceable turntable; 801. Cutting disc; 802. Fan disc. Detailed Implementation

[0021] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.

[0023] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0024] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0025] like Figure 1-5 The multi-functional electric lawn mower shown includes a hollow extension rod 1. The extension rod 1 includes a cylindrical upper section rod 101 and a lower section rod 102. The lower end of the upper section rod 101 is fixedly connected to the upper end of the lower section rod 102 through a connecting cylinder 103. After connection, the upper section rod 101 and the lower section rod 102 are coaxial.

[0026] The upper end of the extension rod 1 is provided with a gripping end 3, and a battery compartment 4 is inserted into the lower part of the gripping end 3. Specifically, the gripping end 3 includes a handle 301 fixedly connected to the upper end of the upper section rod 101. A hand guard 302 is provided between the outer side and the rear end of the handle 301. The hand guard 302 and the handle 301 allow the operator's hand to pass through. The battery compartment 4 is inserted into the bottom of the hand guard 302. The battery compartment 4 contains a lithium battery, which can provide power to the outside as a mobile power source.

[0027] The upper section 101 is also provided with a foldable armrest 2 located below the gripping end 3 for the other hand to hold. The foldable armrest 2 includes a locking shaft 201 fixedly connected to the upper section 101. The axis of the locking shaft 201 is perpendicular to the length direction of the upper section 101. The locking shaft 201 is rotatably connected to a swingable cantilever 202. Due to the blocking structure on the surface of the locking shaft 201, the swingable cantilever 202 can only rotate around the locking shaft 201 within a certain range, generally within a right angle range. The swingable cantilever 202 swings between two extreme positions: parallel and perpendicular to the upper section 101. The end of the swingable cantilever 202 away from the locking shaft 201 is connected to a handle 203. Handle 203 is parallel to the locking shaft 201 and perpendicular to the swingable cantilever 202. There are two swingable cantilever 202, which are rotatably connected to the two ends of the locking shaft 201 respectively. The two ends of the handle 203 are fixedly connected to the two swingable cantilever 202 respectively. The handle 203 can drive the two swingable cantilever 202 to deflect synchronously relative to the locking shaft 201. When the foldable armrest 2 needs to be folded up, push the swingable cantilever 202 down until the handle 203 contacts the upper rod 101. When the foldable armrest 2 needs to be unfolded, pull the handle 203 up until the swingable cantilever 202 is perpendicular to the extension rod 1. The swingable cantilever 202 will be limited by the locking shaft 201 and maintain a stable angle.

[0028] The lower end of the extension rod 1 is connected to a rotary drive 6 via a connector 5. Specifically, the connector 5 includes a fixed sleeve 501 that is fixedly connected to the lower end of the lower section rod 102. The housing of the rotary drive 6 is rotatably connected to the fixed sleeve 501 via an adapting shaft 502. The adapting shaft 502 and the housing of the rotary drive 6 are interference fit. After adjusting a certain angle, the relative angle can be kept stable without applying additional deflection force.

[0029] The housing of the rotary drive 6 is fixedly connected to a protective cover 7. The side of the protective cover 7 facing the operator is blocked to prevent the high-speed rotating parts from hitting the operator's feet and to prevent flying weeds from hitting the operator. The output end of the rotary drive 6 extends into the protective cover 7 and is fixedly connected to a replaceable turntable 8. The replaceable turntable 8 can be a cutter disc 801 or a fan disc 802.

[0030] Working principle: When in use, first perform the mowing operation. Install the cutter disc 801 on the output end of the rotary drive 6. Use the battery compartment 4 to provide power to the rotary drive 6, which drives the cutter disc 801 to rotate at high speed, cutting the grass blades on the lawn. The cut grass blades are spread on the lawn. When the entire lawn is cut, remove the cutter disc 801 and reinstall the fan disc 802 on the output end of the rotary drive 6. Start the rotary drive 6 again to drive the fan disc 802 to rotate at high speed, generating a large airflow, blowing away the grass blades on the lawn and making them gather and pile up in a smaller area, making it easier to clean up in a concentrated manner.

[0031] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A multi-functional electric lawn mower, characterized in that: Includes an extension rod (1), the upper end of which is provided with a gripping end (3), a battery compartment (4) is inserted below the gripping end (3), the lower end of the extension rod (1) is connected to a rotary drive (6) via a connector (5), the housing of the rotary drive (6) is fixedly connected to a protective cover (7), and the output end of the rotary drive (6) extends into the protective cover (7) and is fixedly connected to a replaceable turntable (8).

2. The multi-functional electric lawn mower as described in claim 1, characterized in that: The extension rod (1) includes an upper section rod (101) and a lower section rod (102). The lower end of the upper section rod (101) is fixedly connected to the upper end of the lower section rod (102) through a connecting tube (103).

3. The multi-functional electric lawn mower as described in claim 2, characterized in that: The gripping end (3) includes a handle (301) fixedly connected to the upper end of the upper rod (101), and a hand guard (302) is provided between the outer side of the handle (301) and the rear end. The battery compartment (4) is inserted into the bottom of the hand guard (302).

4. The multi-functional electric lawn mower as described in claim 3, characterized in that: The upper section rod (101) is also provided with a foldable handrail (2) located below the gripping end (3). The foldable handrail (2) includes a locking shaft (201) fixedly connected to the upper section rod (101). The locking shaft (201) is rotatably connected to a swingable cantilever (202). The end of the swingable cantilever (202) away from the locking shaft (201) is connected to a handle (203).

5. The multi-functional electric lawn mower as described in claim 4, characterized in that: There are two swingable arms (202), which are rotatably connected to both ends of the locking shaft (201), and both ends of the handle (203) are fixedly connected to the two swingable arms (202).

6. The multi-functional electric lawn mower as described in claim 2, characterized in that: The connector (5) includes a fixed sleeve (501) fixedly connected to the lower end of the lower section rod (102), and the housing of the rotary drive (6) is rotatably connected to the fixed sleeve (501) via an adaptation shaft (502).

7. The multi-functional electric lawn mower as described in any one of claims 1 to 6, characterized in that: The replaceable turntable (8) adopts a cutter disc (801).

8. The multi-functional electric lawn mower as described in any one of claims 1 to 6, characterized in that: The replaceable turntable (8) is a fan disc (802).