Electric tool

Abstract

The application relates to an electric tool, comprising: a main handle assembly provided with an energy input portion; the working head assembly is connected with a cutting device and a combustion device; the operating rod assembly is connected with the main handle assembly and the working head assembly; the working head assembly is provided with a first connecting part and a second connecting part, the first connecting part is connected with the cutting device, and the second connecting part is connected with the combustion device. According to the electric tool, multiple treatment selections of weed cutting or combustion can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of tools, in particular to electric tools. Background Art

[0002] As environmental awareness becomes more and more popular, lawns are widely used in various greening occasions, bringing vitality and vigor to the living environment. How to clean the lawn has become a difficult problem in life. In the prior art, a lawn mower includes a lawn mower body, an extension rod is fixedly arranged on the lawn mower body, a lawn mower head is arranged at the end of the extension rod, and a control switch for controlling the lawn mower head is movably arranged on the lawn mower body.

[0003] However, some weeds are very tenacious and it is difficult to completely remove them by simply mowing them. For example, some weeds with developed root systems, such as Bermuda grass, will grow again soon after mowing. How to effectively kill the roots and seeds of weeds has become a difficult problem in the industry.

[0004] Therefore, it is necessary to provide a weeding device to achieve effective weeding. Summary of the invention

[0005] In order to solve the above technical problems, this application is implemented as follows:

[0006] In one embodiment, there is provided an electric tool, comprising:

[0007] a main handle assembly provided with an energy input portion;

[0008] A working head assembly, which is connected with a cutting device and a burning device;

[0009] An operating rod assembly connecting the main handle assembly and the working head assembly;

[0010] The working head assembly is provided with a first connecting portion and a second connecting portion, wherein the first connecting portion is connected to the cutting device, and the second connecting portion is connected to the burning device.

[0011] In a preferred embodiment, an extending direction of the first connecting portion and an extending direction of the second connecting portion form an angle greater than or equal to 90 degrees.

[0012] In a preferred embodiment, an extending direction of the first connecting portion and an extending direction of the operating rod assembly form an angle greater than or equal to 90 degrees.

[0013] In a preferred embodiment, an extending direction of the second connecting portion and an extending direction of the operating rod assembly form an angle greater than or equal to 90 degrees.

[0014] In a preferred embodiment, the combustion device has a combustion main body and a combustion connection part; the combustion connection part is connected to the second connection part, the second connection part has a first electrical connection pin, the combustion connection part has a second electrical connection pin, and the first electrical connection pin is electrically connected to the second electrical connection pin.

[0015] In a preferred embodiment, the combustion connection portion is rotatable around the axis of the second connection portion.

[0016] In a preferred embodiment, the combustion main body is connected to the combustion connection part and defines a rotation axis, and the combustion main body can rotate relative to the combustion connection part around the rotation axis.

[0017] In a preferred embodiment, the cutting device includes a cutting body and a wire clamp; the cutting body is equipped with a first drive motor and a cutting blade; the burning device includes a second drive motor, a fan blade, a fan cylinder and a heating wire.

[0018] In a preferred embodiment, the operating rod assembly includes a connecting rod and a connecting head, the connecting head is T-shaped, and the connecting head includes a first connecting hole connected to the connecting rod, connecting columns located on both sides, a locking member and an elastic return member, the connecting column is provided with an inner hole, and the inner periphery of the inner hole is provided with a positioning convex tooth, the working head assembly is provided with a pivot hole, and the pivot hole is provided with a positioning convex tooth corresponding to the inner hole of the connecting column, the locking member is supported by the elastic return member and is provided with a fixing convex tooth, and in a free state, the fixing convex tooth cooperates with the positioning convex tooth.

[0019] In a preferred embodiment, the main handle assembly includes a mode selection switch and a start switch; the electric tool also includes an auxiliary handle assembly disposed on the operating rod assembly.

[0020] In the embodiment of the present application, the working head assembly is connected with a cutting device and a burning device to achieve a variety of processing options for cutting or burning weeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional assembly diagram of the electric tool of this application;

[0022] Figure 2 A three-dimensional composite diagram of the electric tool of the present application from another perspective;

[0023] Figure 3 A partial schematic diagram of the electric tool for this application;

[0024] Figure 4 A schematic diagram of a half shell of a working head assembly of an electric tool of the present application;

[0025] Figure 5This is an elevation view of the locking member of the electric tool for this application;

[0026] Figure 6 This is a schematic diagram of the electric tool cutting device used alone in this application;

[0027] Figure 7 This is a schematic diagram of a power tool for use alone with a combustion device. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0034] See also Figures 1 to 5 An embodiment of the present application provides an electric tool 100, which includes a main handle assembly 1, a working head assembly 2, an operating rod assembly 3 connecting the main handle assembly 1 and the working head assembly 2, and an auxiliary handle assembly 4 arranged on the operating rod assembly 3. The working head assembly 2 is connected to a cutting device 5 and a burning device 6 to achieve a variety of processing options for cutting or burning weeds.

[0035] The main handle assembly 1 is provided with an energy input portion, which can be used to connect an AC power source or a removable battery. The main handle assembly 1 includes a mode selection switch 11 and a start switch 12. The mode selection switch 11 can select the cutting device to work alone (such as when clearing green grass), the burning device to work alone (such as when clearing dead grass), or the cutting device and the burning device to work together (such as when weeding and removing roots or pests at the same time). After the mode selection switch 11 is determined, the start switch 12 is triggered, and the corresponding device works. In a preferred embodiment, the power tool 100 may also have an unlocking switch. When the power tool 100 needs to be used, the unlocking switch needs to be triggered first, and then the start switch is operated.

[0036] The working head assembly 2 is provided with a first connection portion 21 and a second connection portion 22, wherein the first connection portion 21 is connected to the cutting device 5, and the second connection portion 22 is connected to the burning device 6, so as to realize the combination of the cutting device 5 and the burning device 6. The extension direction of the first connection portion 21 and the extension direction of the second connection portion 22 form an angle greater than or equal to 90 degrees, so as to avoid the cutting device 5 and the burning device 6 from interfering with each other. In a preferred embodiment, the extension direction of the first connection portion 21 and the extension direction of the operating rod assembly 3 form an angle greater than or equal to 90 degrees, so as to realize the portability of the operation of the cutting device 5 of the power tool 100. In a preferred embodiment, the extension direction of the second connection portion 22 and the extension direction of the operating rod assembly 3 form an angle greater than or equal to 90 degrees, so as to realize the portability of the operation of the burning device 6 of the power tool 100. The combustion device 6 has a combustion main body 61 and a combustion connection part 62; the combustion connection part 62 is connected to the second connection part 22, and the second connection part 22 has a first electrical connection pin, and the first electrical connection pin is connected to the energy input part; the combustion connection part 62 has a second electrical connection pin, and the first electrical connection pin is electrically connected to the second electrical connection pin to realize power supply of the combustion main body 61. In a preferred embodiment, the combustion connection part 62 is cylindrical, and the second connection part 22 is cylindrical. The combustion connection part 62 is inserted into the second connection part 22, and the combustion connection part 62 and the second connection part 22 are equipped with a rotating mechanism to realize the rotation of the combustion connection part 62 around the axis of the second connection part 22 to achieve a more flexible working range. In a preferred embodiment, the combustion main body 61 is connected to the combustion connection part 62 and defines a rotation axis, and the rotation axis is perpendicular to the common plane of the combustion main body 61 and the combustion connection part 62; the combustion main body 61 and the combustion connection part 62 are cooperated with a rotating mechanism to realize the rotation of the combustion main body 61 relative to the combustion connection part 62 around the rotation axis 62, thereby providing a more flexible working range.

[0037] The cutting device 5 includes a cutting body and a wire clamp; the cutting body is equipped with a first drive motor and a cutting blade 52; the first drive motor can drive the cutting body to rotate, thereby driving the cutting blade 52 to remove thick weeds, and / or driving the wire of the wire clamp to remove general weeds. The burning device 6 includes a second drive motor, a fan blade, a wind tube and an electric heating wire; after the electric heating wire is powered on, the temperature rises rapidly, and the second drive motor drives the fan blade to blow the heat of the electric heating wire out of the wind tube to achieve the burning of the weeds.

[0038] In a preferred embodiment, the electric tool 100 has an angle adjustment mechanism, the operating rod assembly 3 includes a connecting rod 31 and a connecting head 32, the connecting head 32 is T-shaped, the connecting head 32 includes a first connecting hole 321 connected to the connecting rod 31, connecting columns 322 located on both sides, a locking member 323 and an elastic return member, the connecting column 322 is provided with an inner hole, the inner periphery of the inner hole is provided with a positioning convex tooth, the working head assembly 2 is provided with a pivot hole 23, the pivot hole 23 is provided with a positioning convex tooth corresponding to the inner hole of the connecting column 322, the positioning convex tooth of the pivot hole 23 is arranged in affixed with the positioning convex tooth of the inner hole of the connecting column 322, and the tooth shape is completely corresponding, so that the locking member 323 can complete the positioning of the working head assembly 2 and the operating rod assembly 3. The locking member 323 is supported by the elastic return member and is provided with a clamping convex tooth 3231, and in a free state, the clamping convex tooth 3231 cooperates with the positioning convex tooth. When it is necessary to adjust the connection angle between the working head assembly 2 and the operating rod assembly 3, the locking piece 323 is pressed, and the locking piece 323 overcomes the supporting force of the elastic return piece and moves inward, and the locking convex tooth 3231 is disengaged from the positioning convex tooth, and the working head assembly 2 can be rotated relative to the operating rod assembly 3 to adjust the angle.

[0039] See also Figure 6 In one embodiment, the cutting device 5 can be used alone with the working head assembly 2 .

[0040] See also Figure 7 In one embodiment, the combustion device 6 can be independently matched with the operating rod assembly 3.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An electric tool, characterized in that: include: a main handle assembly provided with an energy input portion; A working head assembly, which is connected with a cutting device and a burning device; An operating rod assembly connecting the main handle assembly and the working head assembly; The working head assembly is provided with a first connecting portion and a second connecting portion, wherein the first connecting portion is connected to the cutting device, and the second connecting portion is connected to the burning device.

2. The electric tool according to claim 1, characterized in that: An extending direction of the first connection portion and an extending direction of the second connection portion form an angle greater than or equal to 90 degrees.

3. The electric tool according to claim 2, characterized in that: An extending direction of the first connecting portion and an extending direction of the operating rod assembly form an angle greater than or equal to 90 degrees.

4. The electric tool according to claim 3, characterized in that: An extending direction of the second connecting portion and an extending direction of the operating rod assembly form an angle greater than or equal to 90 degrees.

5. The electric tool according to claim 2, characterized in that: The combustion device has a combustion main body and a combustion connection part; the combustion connection part is connected to the second connection part, the second connection part has a first electrical connection pin, the combustion connection part has a second electrical connection pin, and the first electrical connection pin is electrically connected to the second electrical connection pin.

6. The electric tool according to claim 5, characterized in that: The combustion connection is rotatable about an axis of the second connection.

7. The electric tool according to claim 6, characterized in that: The combustion main body is connected to the combustion connection part and defines a rotation axis, and the combustion main body can rotate relative to the combustion connection part around the rotation axis.

8. The electric tool according to claim 1, characterized in that: The cutting device includes a cutting body and a wire clamp; the cutting body is equipped with a first drive motor and a cutting blade; the burning device includes a second drive motor, a fan blade, a wind tube and a heating wire; the main handle assembly includes a mode selection switch and a start switch; the electric tool also includes an auxiliary handle assembly arranged on the operating rod assembly.

9. The electric tool according to claim 1, characterized in that: The operating rod assembly includes a connecting rod and a connecting head, the connecting head is T-shaped, and the connecting head includes a first connecting hole connected to the connecting rod, connecting columns located on both sides, a locking piece and an elastic return piece, the connecting column is provided with an inner hole, and the inner circumference of the inner hole is provided with a positioning convex tooth, the working head assembly is provided with a pivot hole, and the pivot hole is provided with a positioning convex tooth corresponding to the inner hole of the connecting column, the locking piece is supported by the elastic return piece and is provided with a fixing convex tooth, and in a free state, the fixing convex tooth cooperates with the positioning convex tooth.

10. The electric tool according to claim 1, characterized in that: The cutting device may be matched with the working head assembly alone, or the burning device may be matched with the operating rod assembly alone.

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