Garden tool
阅读说明:本技术 一种园林工具 (Garden tool ) 是由 陶文 蒋锋 于 2019-11-11 设计创作,主要内容包括:本发明提供了一种园林工具,包括:行走组件,所述行走组件包括前轮以及后轮;行走驱动组件,所述行走驱动组件包括驱动所述前轮工作的前驱机构以及驱动所述后轮工作的后驱机构;以及控制组件,所述控制组件控制所述前驱机构、后驱机构工作,以使得所述前轮、后轮分别在所述前驱机构、后驱机构的作用下前进或后退。相较于现有技术,本发明园林工具通过前驱机构、后驱机构来分别驱动前轮、后轮前进或后退,从而不仅使得所述园林工具可以自动后退,而且可以保证所述行走组件获得足够动力,进而使得所述园林工具在爬坡、后退时不会打滑。(The present invention provides a gardening tool, comprising: the walking assembly comprises a front wheel and a rear wheel; the walking driving assembly comprises a front driving mechanism for driving the front wheels to work and a rear driving mechanism for driving the rear wheels to work; and the control assembly controls the front driving mechanism and the rear driving mechanism to work so that the front wheels and the rear wheels respectively move forwards or backwards under the action of the front driving mechanism and the rear driving mechanism. Compared with the prior art, the garden tool respectively drives the front wheel and the rear wheel to move forwards or backwards through the front driving mechanism and the rear driving mechanism, so that the garden tool can automatically move backwards, the walking assembly can obtain enough power, and the garden tool cannot slip when climbing and moving backwards.)
1. A garden tool, comprising:
the walking assembly comprises a front wheel and a rear wheel;
the walking driving assembly comprises a front driving mechanism for driving the front wheels to work and a rear driving mechanism for driving the rear wheels to work; and
and the control assembly controls the front driving mechanism and the rear driving mechanism to work so that the front wheels and the rear wheels respectively move forwards or backwards under the action of the front driving mechanism and the rear driving mechanism.
2. The gardening tool according to claim 1, wherein: the garden tool further comprises a push rod; the push rod is provided with a speed regulating switch matched with the walking driving assembly so as to regulate the output rotating speed of the walking driving assembly.
3. The gardening tool according to claim 2, wherein: the speed regulating switch comprises a first position, a middle position and a second position; when the speed regulating switch is positioned between the first position and the middle position, the walking driving component outputs forward rotating speed; when the speed regulating switch is in the middle position, the output rotating speed of the walking driving component is zero; when the speed regulating switch is positioned between the middle position and the second position, the walking driving component outputs reverse rotating speed.
4. The gardening tool according to claim 3, wherein: the maximum reverse rotating speed output by the walking driving assembly is not more than half of the maximum forward rotating speed output by the walking driving assembly.
5. The gardening tool according to claim 3, wherein: the speed regulating switch also comprises a filtering component for filtering the signal output by the speed regulating switch.
6. The gardening tool according to claim 1, wherein: the garden tool further comprises a pulse width modulation assembly; the pulse width modulation assembly is set to gradually increase the duty ratio, so that the output rotating speed of the walking driving assembly is gradually increased to a preset rotating speed.
7. The gardening tool according to claim 6, wherein: the garden tool further comprises a speed detection assembly; when the speed detection assembly detects that the output rotating speed of the walking driving assembly is higher than the preset rotating speed, the speed detection assembly controls the pulse width modulation assembly to gradually reduce the duty ratio, so that the output rotating speed of the walking driving assembly is gradually reduced to the preset rotating speed.
8. The gardening tool according to claim 7, wherein: the pulse width modulation assembly comprises a front pulse width modulator matched with the front driving mechanism and a rear pulse width modulator matched with the rear driving mechanism; the speed detection assembly comprises a front speed detector matched with the front driving mechanism and a rear speed detector matched with the rear driving mechanism.
9. The gardening tool according to claim 1, wherein: the walking driving component is also provided with a soft starter so as to smoothly start the walking driving component without impact in the starting process.
10. The gardening tool according to claim 1, wherein: the garden tool is also provided with an alarm component; and when the control assembly detects that the running current of the walking driving assembly is greater than a preset threshold value and keeps running for a preset time value, the walking driving assembly stops working.
Technical Field
The invention relates to a garden tool, in particular to a front-back driving garden tool.
Background
At present have from the garden instrument of running gear, for example the lawn mower, the many settings of the running gear of walking from the lawn mower are epaxial at the rear wheel of lawn mower, when the ground walking of pothole unevenness, if the rear wheel falls into the pit, then the unsettled condition in rear wheel one side can appear to lead to the problem of walking power not enough or unable walking. Secondly, the mower can only move forward and cannot move backward. The user needs to shut down the running gear and then pull back the lawnmower. This makes the use cumbersome.
In order to solve the problem that the grass mower has no backward self-propelled power, U.S. Pat. No. US 2017/0367265 a1 discloses a grass mower with a travelling mechanism, which comprises a main blade, an engine for driving the main blade to work, and the travelling mechanism, wherein the engine simultaneously drives the travelling mechanism to work through a belt. The mower can walk forwards or backwards by adjusting the tension of different belts. However, the design is applied to an engine using a gasoline engine as power, and the main cutter and the travelling wheels can be driven to work simultaneously due to the fact that the gasoline engine has large torque. However, in a garden tool using a lithium battery as an energy source, the motor has a small torque, and cannot drive the main cutter and the travelling wheels simultaneously. In addition, the design is still driven by the front wheels or the rear wheels when the mower moves forwards or backwards, and the problem of incapability of walking when the mower meets a pit cannot be avoided.
Therefore, there is a need for a gardening tool to solve the above problems.
Disclosure of Invention
The invention aims to provide a garden tool which cannot slip when walking on a dimpled and uneven road surface and can automatically retreat, so that a user can quickly turn at a dead angle conveniently, and the operation experience of the user is improved.
To achieve the above object, the present invention provides a gardening tool, comprising: the walking assembly comprises a front wheel and a rear wheel; the walking driving assembly comprises a front driving mechanism for driving the front wheels to work and a rear driving mechanism for driving the rear wheels to work; and the control assembly controls the front driving mechanism and the rear driving mechanism to work so that the front wheels and the rear wheels respectively move forwards or backwards under the action of the front driving mechanism and the rear driving mechanism.
As a further improvement of the present invention, the garden tool further comprises a push rod; the push rod is provided with a speed regulating switch matched with the walking driving assembly so as to regulate the output rotating speed of the walking driving assembly.
As a further improvement of the present invention, the speed regulating switch includes a first position, a middle position and a second position; when the speed regulating switch is positioned between the first position and the middle position, the walking driving component outputs forward rotating speed; when the speed regulating switch is in the middle position, the output rotating speed of the walking driving component is zero; when the speed regulating switch is positioned between the middle position and the second position, the walking driving component outputs reverse rotating speed.
As a further improvement of the invention, the maximum reverse rotation speed output by the walking drive assembly is not more than half of the maximum forward rotation speed output by the walking drive assembly.
As a further improvement of the invention, the speed regulation switch further comprises a filtering component for filtering the signal output by the speed regulation switch.
As a further improvement of the present invention, the garden tool further comprises a pulse width modulation assembly; the pulse width modulation assembly is set to gradually increase the duty ratio, so that the output rotating speed of the walking driving assembly is gradually increased to a preset rotating speed.
As a further improvement of the present invention, the garden tool further comprises a speed detection assembly; when the speed detection assembly detects that the output rotating speed of the walking driving assembly is higher than the preset rotating speed, the speed detection assembly controls the pulse width modulation assembly to gradually reduce the duty ratio, so that the output rotating speed of the walking driving assembly is gradually reduced to the preset rotating speed.
As a further improvement of the present invention, the pulse width modulation assembly comprises a front pulse width modulator cooperating with the front-drive mechanism and a rear pulse width modulator cooperating with the rear-drive mechanism; the speed detection assembly comprises a front speed detector matched with the front driving mechanism and a rear speed detector matched with the rear driving mechanism.
As a further improvement of the invention, the walking drive assembly is also provided with a soft starter so as to smoothly start the walking drive assembly without impact during starting.
As a further improvement of the invention, the garden tool is further provided with an alarm assembly; and when the control assembly detects that the running current of the walking driving assembly is greater than a preset threshold value and keeps running for a preset time value, the walking driving assembly stops working.
The invention has the beneficial effects that: the garden tool disclosed by the invention cannot slip when walking on a rough road surface, and can automatically retreat, so that a user can quickly turn at a dead angle, and the operation experience of the user is further improved.
Drawings
Fig. 1 is a schematic perspective view of a garden tool according to the present invention.
Fig. 2 is a bottom view of the garden tool shown in fig. 1.
Fig. 3 is a partially enlarged schematic view of the push rod.
Fig. 4 is a cross-sectional view of the self-propelled start switch.
Fig. 5 is a schematic perspective view of the self-propelled start switch.
Fig. 6 is a schematic block diagram of the garden tool of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the present invention discloses a
Referring to fig. 1, 2 and 3, the
Referring to fig. 3, the speed-
Referring to fig. 1 and 2, the
Referring to fig. 6, the control module 40 is configured to control the
Compared with the prior art, the
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
- 上一篇:一种医用注射器针头装配设备
- 下一篇:一种方便调节自身长度的农业机械牵引装置