CN217644220U

CN217644220U - Grass cutter

Info

Publication number: CN217644220U
Application number: CN202220619754.5U
Authority: CN
Inventors: 王雷; 陈熙
Original assignee: Ecoflow Technology Ltd
Current assignee: Ecoflow Technology Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-10-25
Anticipated expiration: 2032-03-21

Abstract

The application belongs to the technical field of gardening tools, and particularly relates to a mower which comprises a mower body; a mowing unit; the swing unit, the swing unit includes coupling assembling and the drive assembly who has the output shaft, and coupling assembling's one end is connected in drive assembly's output shaft, and coupling assembling's the other end is connected in the unit of mowing, and drive assembly is used for drive coupling assembling to make coupling assembling stretch out the edge of organism with the unit of mowing. The mower provided by the application can improve the cutting and trimming range of the mower by utilizing the swinging of the mowing unit, can drive the mowing unit to stretch out of the edge of the machine body by utilizing the swinging unit when encountering a wall or other obstacles, and can cut weeds close to the wall or other obstacles, does not need to perform secondary trimming on the position manually, and is favorable for improving the mowing efficiency.

Description

Grass cutter

Technical Field

The application belongs to the technical field of gardening tools, and particularly relates to a mower.

Background

A lawn mower is a device capable of rapidly cutting and trimming grass using a cutting unit, which is generally provided at the bottom of the lawn mower, and one or more cutting units are selectively provided according to the size of the device of the lawn mower. However, the existing mower is limited by the structure, and cannot cut and trim the lawn at a position close to a wall or other fixed obstacles, that is, cannot cut the lawn along the edge, and often needs to manually cut off the position close to the wall or other obstacles after the mower finishes cutting, so that the mowing operation is complicated and the mowing efficiency is poor.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a lawn mower to solve the lawn mower that exists among the prior art and be difficult to carry out the technical problem that the welt was mowed.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: there is provided a lawn mower comprising:

a body;

a mowing unit;

the swing unit, the swing unit includes coupling assembling and the drive assembly who has the output shaft, coupling assembling's one end connect in drive assembly's output shaft, coupling assembling's the other end connect in the unit of mowing, drive assembly is used for the drive coupling assembling, so that coupling assembling will the unit of mowing stretches out the edge of organism.

Optionally, the connecting assembly comprises a swinging member, one end of the swinging member is connected to the output shaft of the driving assembly, and the other end of the swinging member is connected to the mowing unit and can swing around the output shaft of the driving assembly.

Optionally, the organism is provided with the mounting, the swing unit passes through the mounting with the organism is connected, the mounting is equipped with dodges the groove, drive assembly's output shaft stretch out in dodge the groove.

Optionally, the connecting assembly further includes a limiting ring disposed between the driving assembly and the swinging member, and the limiting ring is sleeved on an output shaft of the driving assembly and is used for limiting the driving assembly to contact with the swinging member.

Optionally, the fixed part and the swinging part are provided with two fixed parts respectively connected to two opposite sides of the driving assembly, and the two swinging parts respectively connected to two opposite ends of an output shaft of the driving assembly and respectively close to the two fixed parts.

Optionally, the connecting assembly further comprises a support plate, one side of the support plate being connected to the swing member and the other side of the support plate being connected to the mowing unit.

Optionally, the connecting assembly further includes a limiting block connected to an end of the output shaft of the driving assembly and configured to cooperate with the fixing member to limit the oscillating member from displacing in the axial direction of the output shaft of the driving assembly.

Optionally, the driving assembly includes a driving motor and a speed reducer, the speed reducer is connected to an output shaft of the driving motor, and an output shaft of the speed reducer is connected to the connecting assembly.

Optionally, the swing unit further includes a detection assembly, and the detection assembly is located on one side of the connection assembly and is used for detecting the swing angle of the connection assembly.

Optionally, the mowing unit comprises a cutting assembly and a floating assembly, wherein the floating assembly is connected to the cutting assembly and is used for driving the cutting assembly to float along the height direction of the machine body.

The embodiment of the application provides a lawn mower has following beneficial effect at least: compared with the prior art, the lawn mower that this application embodiment provided will mow the unit and swing the unit connection, utilizes swing unit's drive assembly to drive coupling assembling swing, and then drives and mow the unit and swing at the within range of presetting, mows the unit simultaneously and can stretch out in the edge of organism under swing unit's effect. Therefore, the cutting and trimming range of the mower can be improved by utilizing the swinging of the mowing unit, the swinging unit can be utilized to drive the mowing unit to extend out of the edge of the mower body and cut weeds close to the wall or other obstacles when the mowing unit encounters the wall or other obstacles, the position does not need to be trimmed twice manually, and the mowing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a lawn mower according to an embodiment of the present application;

fig. 2 is a first schematic diagram illustrating an exploded structure of a lawn mower according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of an explosion structure of the lawn mower according to the embodiment of the present disclosure;

fig. 4 is a schematic perspective view of a swing unit used in the embodiment of the present application;

fig. 5 is a first schematic diagram illustrating an explosion structure of a swing unit according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of an explosive structure of a swing unit adopted in the embodiment of the present application;

fig. 7 is a schematic cross-sectional structural diagram of a swing unit used in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10-body 11-first frame 12-second frame

13-steering wheel 14-driving wheel 15-battery

16-coupling 20-mowing unit 21-cutting assembly

22-floating assembly 221-floating drive 2211-positioning projection

222-floating speed reducer 223-auxiliary rod 224-floating rod

225-damping spring 226-connecting rod 30-swing unit

31-drive assembly 311-drive motor 312-speed reducer

32-connecting component 320-avoiding groove 321-fixing component

322-swinging piece 323-limit ring 324-detection component

325-limiting block 326-supporting plate 3261-limiting protrusion

3262 positioning holes 3263 and mounting projections.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The various features and embodiments described in the embodiments may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and in order to avoid unnecessary repetition, various possible combinations of features/embodiments will not be further described in this application.

Current lawn mower is controlled in its structure, can't be close to the position of wall or other fixed barriers to the meadow and cut, repair, also can't carry out the welt and mow, often need carry out manual excision through the manual work to the position department of being close to wall or other barriers after the lawn mower cutting is accomplished, leads to the complex operation of mowing and the efficiency of mowing not good enough.

Therefore, the embodiment of the application provides a mower which can cut and trim grasslands close to the wall or other obstacle positions and improve the mowing efficiency of the mower.

Referring to fig. 1 to 3 together, the lawn mower of the embodiment of the present application includes a machine body 10, a mowing unit 20, and a swinging unit 30, wherein the swinging unit 30 is connectable to the machine body 10, the mowing unit 20 is connectable to the swinging unit 30, and the swinging unit 30 can drive the mowing unit 20 to swing within a preset range, so as to trim grass using the mowing unit 20. Specifically, the swing unit 30 includes a driving assembly 31 and a connecting assembly 32, the driving assembly 31 has an output shaft, one end of the connecting assembly 32 can be connected to the output shaft of the driving assembly 31, and the other end of the connecting assembly 32 can be connected to the mowing unit 20, so that the connecting assembly 32 is driven by the driving assembly 31 to swing within a preset range, so as to drive the mowing unit 20 to swing, and the mowing unit 20 can extend out of the edge of the machine body 10, so that the mower can trim the lawn close to an obstacle, and the trimming efficiency is improved. In specific application, when the lawn mower of the embodiment is used, the mowing unit 20 can be used for cutting and trimming a lawn, and the driving assembly 31 can drive the connecting assembly 32 to drive the mowing unit 20 to swing to a proper position, so that the lawn mower can accurately trim the lawn, and the mowing quality of the lawn mower can be improved. When the mower encounters a wall or other obstacles, the swing unit 30 can drive the mowing unit 20 to extend out of the edge of the machine body 10, so that the mowing unit 20 can be close to the obstacles, and vegetation close to the obstacles can be trimmed. Therefore, the matching of the swing unit 30 and the mowing unit 20 can improve the accuracy of lawn trimming, the trimming quality of the lawn is improved, the lawn near the obstacle can be effectively trimmed, the manual secondary trimming is not needed, the problem that the lawn mower cannot trim the lawn near the obstacle in the prior art is effectively solved, and the efficiency of trimming the lawn by the lawn mower is improved.

As an alternative to this embodiment, referring to fig. 4 to 6, the connecting assembly 32 includes a swinging member 322, one end of the swinging member 322 can be connected to the output shaft of the driving assembly 31, the other end of the swinging member 322 can be connected to the mowing unit 20, and the end of the swinging member 322 can swing around the output shaft of the driving assembly 31. In this way, the driving assembly 31 can drive the mowing unit 20 to swing within a preset range by driving the swinging member 322, so as to improve the mowing range of the mower. Specifically, the oscillating member 322 may have a plate-shaped structure, one end of the oscillating member 322 connected to the driving assembly 31 may have a smaller size than the other end, and a reinforcing rib may be formed on the oscillating member 322 to improve the structural strength of the oscillating member 322, which is beneficial to improving the reliability of the oscillating member 322.

As an alternative embodiment of this embodiment, the machine body 10 may be provided with a fixing member 321, the fixing member 321 may be connected with the machine body 10 and the swing unit 30, and the swing unit 30 can be fixedly mounted on the machine body 10 through the fixing member 321. Specifically, the fixing member 321 may be provided with an avoiding groove 320, an output shaft of the driving assembly 31 may extend out of the avoiding groove 320, the swinging member 322 may be connected to the fixing member 321, the swinging member 322 may swing relative to the fixing member 321, the fixing member 321 may be located between the swinging member 322 and the driving assembly 31, and the fixing member 321 avoids direct contact between the swinging member 322 and the driving assembly 31, which is beneficial to ensuring the swinging of the swinging member 322.

As an alternative embodiment of this embodiment, referring to fig. 6 and 7, the connecting assembly 32 further includes a limiting ring 323, and the limiting ring 323 may be disposed between the driving assembly 31 and the swinging member 322 and sleeved on the output shaft of the driving assembly 31. In a specific application, the limiting ring 323 can be located outside the avoiding groove 320 of the fixing member 321 (or in the avoiding groove 320 of the fixing member 321), and the swinging member 322 can be located above the limiting ring 323, so that the limiting ring 323 can be used to raise the swinging member 322, a gap is formed between the swinging member 322 and the fixing member 321, and excessive friction caused by direct contact between the swinging member 322 and the fixing member 321 is prevented, which is beneficial to swinging of the swinging member 322. Moreover, the swinging member 322 is sleeved on the output shaft of the driving assembly 31, so that the output shaft of the driving assembly 31 can be limited to swing along the radial direction, which is beneficial to improving the stability of the output assembly.

Specifically, referring to fig. 5 and 7, the fixing member 321 may be formed by connecting two vertical plates perpendicular to each other, one of the vertical plates may be disposed horizontally, the other vertical plate may be disposed vertically, the avoiding groove 320 may be located on the horizontal plate, the avoiding groove 320 may be open, the opening of the avoiding groove 320 may face the mowing unit 20, and a reinforcing rib may be formed between the two vertical plates to improve the structural strength of the fixing member 321. The fixing member 321 may be connected to the driving assembly 31 by a fastener, the horizontally disposed straight plate may be connected to the driving assembly 31 by a fastener, the vertically disposed straight plate may be connected to the machine body 10 by a fastener, and the driving assembly 31 may have a right-angled step thereon to facilitate the positioning and installation of the fixing member 321.

As an alternative to this embodiment, referring to fig. 5 and fig. 6, two fixing members 321 and two swinging members 322 may be provided, the two fixing members 321 may be respectively connected to two opposite sides of the driving assembly 31, and the two swinging members 322 may be respectively connected to two opposite ends of the output shaft of the driving assembly 31 and respectively close to the two fixing members 321. Specifically, referring to fig. 6 and 7, the output shaft of the driving assembly 31 may extend towards two sides, one of the fixing members 321 and the swinging members 322 may be located at one end of the output shaft of the driving assembly 31, the other of the fixing members 321 and the swinging members 322 may be located at the other end of the output shaft of the driving assembly 31, and each of the swinging members 322 may be connected to a limiting ring 323.

As an alternative to this embodiment, referring to fig. 5 and 6, the connecting assembly 32 may further include a supporting plate 326, one side of the supporting plate 326 may be connected to the swinging member 322, and the other side of the supporting plate 326 may be connected to the mowing unit 20. Specifically, the supporting plate 326 may have a straight plate-like structure and be vertically disposed between the swing member 322 and the lawn mowing unit 20, and a side of the auxiliary compartment facing the swing member 322 may be formed with a mounting protrusion 3263, and the swing member 322 may be fixedly mounted on the mounting protrusion 3263. In this way, the swing member 322 can drive the mowing unit 20 to swing through the supporting plate 326, so that the connection between the mowing unit 20 and the swing unit 30 can be facilitated, the connection reliability between the swing unit 30 and the mowing unit 20 can be improved, and the stability of swinging the mowing unit 20 is facilitated.

In a specific application, the supporting plate 326 may be provided with a positioning hole 3262 and a limiting protrusion 3261, the limiting protrusion 3261 may be located on a side of the supporting plate 326 facing the mowing unit 20, and the mowing unit 20 may be formed with a positioning protrusion 2211, when the mowing unit 20 is mounted on the supporting plate 326, the positioning protrusion 2211 of the mowing unit 20 may be inserted into the positioning hole 3262 of the supporting plate 326, and the mowing unit 20 is positioned by the limiting protrusion 3261 on the supporting plate 326, which is beneficial to the assembly and disassembly of the mowing unit 20 and the swinging unit 30, and meanwhile, a cable of the mowing unit 20 may extend from the positioning protrusion 2211 and pass through the positioning hole 3262 to be connected with the machine body 10, which is beneficial to the assembly of the mower, and meanwhile, the cable may be neat and hidden.

As an optional implementation manner of this embodiment, referring to fig. 6, the connecting assembly 32 further includes a limiting block 325, the limiting block 325 may be connected to an end of the output shaft of the driving assembly 31, and the limiting block 325 may be used to cooperate with the fixing element 321 to limit the displacement of the swinging element 322 along the axial direction of the output shaft of the driving assembly 31. Thus, the degree of freedom of the oscillating piece 322 in the axial direction can be limited by the fixing piece 321 and the limiting block 325, and the limiting block 325 can prevent splashed grass leaves from falling onto the oscillating piece 322, so that the reliability of the oscillating assembly is improved.

As an alternative embodiment of the present embodiment, the driving assembly 31 includes a driving motor 311 and a speed reducer 312, the speed reducer 312 may be connected to an output shaft of the driving motor 311, and an output shaft of the speed reducer 312 may be connected to the connecting assembly 32. With such a design, the driving motor 311 can output power, and the reducer 312 can increase the output torque of the driving assembly 31.

In a specific application, the driving assembly 31 may be directly connected to the connecting assembly 32 through the driving motor 311 without providing the reducer 312, and only one of the swinging member 322 and the fixing member 321 may be provided and connected to the output shaft of the driving motor 311, so that the swinging effect of the mowing unit 20 can be achieved.

As an alternative embodiment of this embodiment, please refer to fig. 4 and 5, the swing unit 30 further includes a detection component 324, the detection component 324 may be located at one side of the connection component 32, specifically, the detection component 324 may detect a swing angle of the swing component 322 during the swing process of the swing component 322 of the connection component 32, so as to achieve precise control of the swing angle of the mowing unit 20.

In a specific application, the detecting component 324 may be a contact sensor or a non-contact sensor, for example, the detecting component 324 may be a micro switch, two micro switches may be disposed on the fixing component 321 and respectively located in the swinging direction of the swinging component 322, and an elastic sheet of the micro switch may face the swinging component 322. When the swinging member 322 swings, the swinging member 322 may contact with the micro switches in the two side directions to detect the swinging angle of the swinging member 322, and of course, the detecting component 324 may also be used to detect whether the swinging member 322 reaches the upper limit of the swinging angle, that is, the detecting component 324 is triggered when the swinging member 322 swings to the maximum angle.

As an alternative embodiment of this embodiment, referring to fig. 3 and 4, the mowing unit 20 includes a cutting assembly 21 and a floating assembly 22 connected to the cutting assembly 21, the floating assembly 22 can be connected to the cutting assembly 21 and the swinging unit 30, and the floating assembly 22 can be used for driving the cutting assembly 21 so as to float the cutting assembly 21 in the height direction of the machine body 10. Therefore, the floating component 22 can be used for driving the cutting component 21 to float in the height direction, the height of the cutting component 21 for trimming the lawn is adjusted conveniently, meanwhile, the floating component 22 can be used for adjusting the height of the cutting component 21, rigid contact between the cutting component 21 and obstacles such as stones is prevented, and safety of the cutting component 21 is guaranteed.

Specifically, the floating assembly 22 includes a floating driving member 221, a floating speed reducer 222, a floating rod 224 and an auxiliary rod 223, the floating speed reducer 222 and the floating driving member 221 may be connected to a supporting plate 326 of the connecting assembly 32, the floating speed reducer 222 may be connected to an output shaft of the floating driving member 221, two floating rods 224 and two auxiliary rods 223 may be provided, the two floating rods 224 may be provided at opposite sides of the floating speed reducer 222, one end of the floating rod 224 may be hinged to the output shaft of the floating speed reducer 222, the other end of the floating rod 224 may be hinged to the cutting assembly 21, the auxiliary rod 223 may be located at opposite sides of the floating driving member 221, one end of the auxiliary rod 223 may be hinged to the floating driving member 221, and the other end of the auxiliary rod 223 may be hinged to the cutting assembly 21. In this way, the cutting assembly 21 can be floated in the height direction by the cooperation of the floating drive 221 and the floating rod 224, and the cutting assembly 21 is stabilized by the auxiliary rod 223, further improving the stability of the cutting assembly 21.

In a specific application, the two floating rods 224 can be connected through the connecting rod 226, and the two auxiliary rods 223 can be connected through the other connecting rod 226, so that the structural strength between the two floating rods 224 and the two auxiliary rods 223 is improved. Moreover, the floating rod 224 may further be provided with a damping spring 225 to reduce the shaking of the floating assembly 22 and the cutting assembly 21, which is beneficial to improving the stability of the floating assembly 22 and the cutting assembly 21. Of course, the auxiliary lever 223 may be provided with a damper spring 225.

As an alternative embodiment of this embodiment, referring back to fig. 1 and fig. 2, the main body 10 includes a first frame 11, a second frame 12, a steering wheel 13 and a driving wheel 14, the first frame 11 can be connected to the second frame 12, the steering wheel 13 can be connected to the first frame 11, and the driving wheel 14 can be connected to the second frame 12 and provides power for the lawn mower. Specifically, the middle position of the first frame 11 may be arched upward to form an accommodating space, and the mowing unit 20 and the swinging unit 30 may be disposed in the accommodating space, which is beneficial to reducing the size of the mower and improving the compactness of the structure. The second frame 12 may be formed with a storage rack, which may be used for holding mowing tools, and of course, may also be used for holding a battery 15 or other electrical modules, so as to improve the endurance of the lawn mower or enrich the function of the lawn mower.

As an alternative embodiment of this embodiment, please refer to fig. 1 and fig. 2, the machine body 10 may further include a coupler 16, one end of the connecting shaft may be connected to the first frame 11, the other end of the coupler 16 may be connected to the second frame 12, and two ends of the coupler 16 may rotate relatively, so that the first frame 11 and the second frame 12 may swing relatively around a central axis of the coupler 16, which is beneficial to improving obstacle crossing of the lawn mower and improving reliability of the lawn mower during traveling.

The embodiment of the application provides a lawn mower has following beneficial effect at least: compared with the prior art, according to the mower provided by the embodiment of the application, the mowing unit 20 is connected with the swinging unit 30, the driving assembly 31 of the swinging unit 30 is used for driving the connecting assembly 32 to swing, so that the mowing unit 20 is driven to swing within a preset range, and meanwhile, the mowing unit 20 can extend out of the edge of the machine body 10 under the action of the swinging unit 30. Thus, the cutting and trimming range of the mower can be improved by utilizing the swing of the mowing unit 20, and when a wall or other obstacles are met, the swinging unit 30 is utilized to drive the mowing unit 20 to extend out of the edge of the machine body 10 and cut weeds close to the wall or other obstacles, so that the position is not required to be trimmed twice manually, and the mowing efficiency is improved.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lawn mower, comprising:

a body;

a mowing unit;

2. The mower of claim 1, wherein said attachment assembly includes a swing member, one end of said swing member being connected to said drive assembly output shaft, the other end of said swing member being connected to said mower unit and being capable of swinging about said drive assembly output shaft.

3. The mower of claim 2, wherein the body is provided with a fixing member through which the swing unit is connected to the body, the fixing member being provided with an escape groove, the output shaft of the driving assembly protruding out of the escape groove.

4. The mower of claim 3 wherein the linkage assembly further comprises a stop collar disposed between the drive assembly and the oscillating member, the stop collar being sleeved on the output shaft of the drive assembly and adapted to limit contact between the drive assembly and the oscillating member.

5. A lawnmower as claimed in claim 3, wherein said fixed member and said oscillating member are provided in two, two of said fixed members being connected to opposite sides of said drive unit, and two of said oscillating members being connected to opposite ends of an output shaft of said drive unit and being adjacent to said two fixed members.

6. A lawnmower as claimed in claim 3 wherein said connection assembly further comprises a support plate, one side of said support plate being connected to said swing member and the other side of said support plate being connected to said mowing unit.

7. The mower of claim 3 wherein the attachment assembly further comprises a stop coupled to an end of the output shaft of the drive assembly and adapted to engage the fixed member to limit displacement of the oscillating member in an axial direction of the output shaft of the drive assembly.

8. A lawnmower as claimed in any one of claims 2 to 7, wherein said drive assembly comprises a drive motor and a speed reducer connected to an output shaft of said drive motor, an output shaft of said speed reducer being connected to said connecting assembly.

9. A lawnmower as claimed in any one of claims 2 to 7, wherein said swing unit further comprises a sensing assembly located to one side of said linkage assembly and adapted to sense the swing angle of said linkage assembly.

10. A lawnmower as claimed in any one of claims 2 to 7, wherein said grass cutting unit comprises a cutting assembly and a float assembly connected to said cutting assembly and adapted to drive said cutting assembly to float in the height direction of said machine body.