CN211909686U

CN211909686U - Improved brush cutter

Info

Publication number: CN211909686U
Application number: CN202020124312.4U
Authority: CN
Inventors: 朱海艳
Original assignee: Yunhe Kaiyide Electronic Equipment Factory
Current assignee: Yunhe Kaiyide Electronic Equipment Factory
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-11-13
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses an improved brush cutter which can collect the residual broken branches and leaves while cutting the lawn and the bush, and solves the problem that the broken branches and leaves are difficult to collect and clean in the prior art; and the utility model is simple in operation is nimble, can be applicable to multiple operational environment. The key points of the technical scheme are as follows: an improved brush cutter comprises a working head and a machine rod, wherein the working head comprises a cover body and a cutting device, and the machine rod is fixedly connected with the tail part of the cover body. The inner part of the cover body is hollow and penetrates from the head part to the tail part, the opening of the head part of the cover body is larger, the opening of the tail part is smaller, and a bracket for supporting the cutting device is arranged at the opening of the head part of the cover body; the cutting device comprises a motor and a cutting fan, the cutting fan comprises at least two fan blades, the fan blades of the cutting fan are arranged in the same mode as the fan blades of the negative pressure fan, and the cutting device is fixed on the support. The improved brush cutter with the design not only reduces the workload of workers, but also is safer and more environment-friendly.

Description

Improved brush cutter

Technical Field

The utility model relates to a garden instrument technical field specifically is an improvement formula brush cutter.

Background

In recent years, the greening problem is more and more emphasized in cities and villages, and people pay attention to the beautiful degree of greening while the greening area is larger and larger. The shrub is a greening vegetation which is widely used, and is widely applied to various gardening fields such as urban green belts, parks, private courtyards and the like. During maintenance, trimming and designing of shrubs, a brush cutter is often used, and is a mechanical tool for trimming lawn and shrub vegetation. The brush cutter commonly used at present consists of an engine, a transmission device, a cutting device and a control system, wherein the cutting device is a circular saw disc, the engine drives the circular saw disc to cut through the transmission device, the brush cutter is suitable for flat ground or shorter bushes, the cutting speed of the brush cutter is high, the effect is good, and the investment of manpower can be greatly reduced.

However, the existing brush cutter still has the following defects:

1. the branch and leaf residues cut by the existing brush cutter are directly left on the ground and in shrub clusters and are difficult to collect and clean, so that the attractiveness of gardens is influenced, the environment is damaged, and the working difficulty and the working load of workers are increased.

2. The existing brush cutter needs to drag a heavy engine, is not flexible enough to use and is difficult to deal with shrubs with higher positions.

3. The existing brush cutter is generally driven by an engine, the vibration and noise generated during the operation of the engine are harmful to human bodies, and some brush cutters adopting fuel engines can also discharge waste gas and pollute the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improved brush cutter which can collect the residual broken branches and leaves while cutting lawns and bushes, and solves the problem that the broken branches and leaves are difficult to collect and clean in the prior art; and the utility model is simple in operation is nimble, can be applicable to multiple operational environment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an improved brush cutter comprises a working head and a machine rod, wherein the working head comprises a cover body and a cutting device, and the machine rod is fixedly connected with the tail part of the cover body.

The inner part of the cover body is hollow and penetrates from the head part to the tail part, the opening of the head part of the cover body is larger, the opening of the tail part is smaller, and a bracket for supporting the cutting device is arranged at the opening of the head part of the cover body; the cutting device comprises a motor and a cutting fan, the cutting fan comprises at least two fan blades, the fan blades of the cutting fan are arranged in the same mode as the fan blades of the negative pressure fan, and the cutting device is fixed on the support.

Compared with the prior art, the improved brush cutter adopting the technical scheme has the following beneficial effects:

one, adopt the utility model discloses an improvement formula brush cutter can collect the garrulous branch and leaf when carrying out cutting work to lawn and bush, collect garrulous branch and leaf arrange in the pocket wait in follow-up processing can, the workman's that has significantly reduced work load.

And secondly, the design of separating the machine pole from the power supply is beneficial to flexible work in various environments, and the problem that the existing brush cutter is not flexible in use is solved.

And the cutting device is driven by a motor, so that the cutting device is environment-friendly, has smaller noise relative to an engine, and has smaller harm to the health of a human body.

Fourthly, the fan blades rotate to generate upward negative pressure airflow, cut branches and leaves are brought into the inner side of the cover body and are taken out from the tail opening of the cover body, and when the dust collector is used, a storage bag/mesh bag can be additionally arranged at the tail opening to collect the branches and leaves so as to be convenient to clean; if the weight of the broken blades is larger, when the airflow generated by the fan blades is difficult to drive the broken branches and leaves to move, a negative pressure device (such as a dust collector) can be additionally arranged at the tail opening for auxiliary collection.

Preferably, the edge of the fan blade is provided with a sawtooth blade, so that the cutting effect of the cutting fan can be improved.

Preferably, the support is provided with a protective net for preventing larger branches and leaves from passing through, so that the larger branches and leaves can be prevented from entering the inner cavity of the working head to cause blockage.

Preferably, the tail part of the machine rod and the part close to the working head are respectively provided with an anti-skidding grip, so that a worker can better hold the brush cutter, and the brush cutter is safer to operate.

Preferably, the brush rod is provided with a switch for controlling the motor to be turned on and off, the switch is positioned at a position 1-3CM in front of the anti-slip grip at the tail of the brush rod, and the cutting device can be rapidly turned on and off, so that the brush cutter is safer and more humanized to use.

Preferably, the circuit of motor is located inside the brush cutter, and the power supply line of motor stretches out from the pole afterbody and is connected to the power, can guarantee that the electric wire is not damaged by external factors, can also promote brush cutter's use flexibility.

Preferably, the opening at the tail part of the cover body is provided with a hook which is convenient for fixing and taking down the collecting bag, so that the mesh bag used for collecting the broken branches and leaves can be conveniently installed and taken down.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the improved brush cutter of the present invention.

Fig. 2 is a schematic structural diagram of the working head in this embodiment.

Fig. 3 is a partially enlarged view of the tail portion of the cover in this embodiment.

Fig. 4 is a schematic structural diagram of the cutting device in this embodiment.

FIG. 5 is a partially enlarged view of the fan blade of the present embodiment.

Fig. 6 is a schematic structural view of the machine bar in the present embodiment.

Fig. 7 is a partially enlarged schematic view of the horn in this embodiment.

Reference numerals: 1. a working head; 10. a cover body; 101. a support; 102. hooking; 11. a cutting device; 110. a motor; 111. cutting the fan; 1110. a fan blade; 2. a machine pole; 20. an anti-slip grip; 21. and (4) switching.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The improved brush cutter shown in fig. 1 to 3 comprises a working head 1 and a machine rod 2, wherein the working head 1 comprises a cover body 10 and a cutting device 11, and the cutting device 11 is positioned at an opening at the front part of the cover body 10; the machine rod 2 is fixedly connected with the tail part of the cover body 10, and the power supply line extends out from the tail part of the machine rod 2 and is connected to a power supply.

As shown in fig. 2 and 3, the interior of the cover 10 is hollow and penetrates from the front to the tail, the opening of the front of the cover 10 is larger, the opening of the tail is smaller, and the opening of the tail is provided with a hook 102 for fixing and taking down a collecting bag, so that a mesh bag for collecting the branches and leaves can be conveniently installed and taken down; a support 101 for supporting the cutting device 11 is arranged at an opening at the front part of the cover body 10, the support 101 comprises a central circular table and three support columns, one end of each support column is fixed on the central circular table, the other end of each support column is fixed on the inner surface of the cover body 10, 60 degrees are formed between every two support columns, and a round hole for the cutting device 11 to pass through is formed in the middle of the central circular table.

As shown in fig. 4 and 5, the cutting device 11 includes a motor 110 and a cutting fan 111, and a power supply line of the motor 110 is located inside the whole brush cutter body, extends from the tail of the pole 2 and is connected to the power supply; the cutting fan 111 comprises five fan blades 1110, the fan blades 1110 are arranged in the same manner as the common negative pressure fan blades (have a certain inclination angle and curvature), and the edges of two sides of each fan blade 1110 are provided with sawtooth blades, so that the cutting effect of the cutting fan can be improved.

The rotating shaft of the motor 110 passes through the circular hole of the bracket 101, the cutting fan 111 is positioned at the outer side of the bracket 101, and the motor 110 is positioned at the inner side of the bracket 101.

As shown in fig. 6 and 7, the tail part of the machine rod 2 and the part close to the working head 1 are respectively provided with an anti-slip grip 20, and the anti-slip grips 20 are beneficial for workers to better hold the brush cutter and are safer to operate; the machine rod 2 is also provided with a switch 21 for controlling the on-off of the motor 110, the switch 21 is positioned at the position 1-3CM in front of the anti-skid grip 20 at the tail part of the machine rod 2, and the cutting device 11 can be quickly opened and closed, so that the brush cutter is safer and more humanized to use.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. An improvement formula brush cutter which characterized in that: comprises a working head (1) and a machine rod (2), the working head (1) comprises a cover body (10) and a cutting device (11), the machine rod (2) is fixedly connected with the tail part of the cover body (10),

-the cover (10) is hollow and penetrates from the front to the tail, the front opening of the cover (10) is larger, the tail opening is smaller, the front opening and the tail opening of the cover (10) are communicated, and a bracket (101) for supporting the cutting device (11) is arranged at the front opening of the cover (10);

-the cutting device (11) comprises a motor (110) and a cutting fan (111), the cutting fan (111) comprises at least two fan blades (1110), the fan blades (1110) are arranged in the same way as the fan blades (1110) of the negative pressure fan, and the cutting device (11) is fixed on the bracket (101).

2. The improved brush cutter as defined in claim 1, wherein: the edge of the fan blade (1110) is provided with a sawtooth blade.

3. The improved brush cutter as defined in claim 1, wherein: and a protective net for preventing larger branches and leaves from passing through is arranged on the bracket (101).

4. The improved brush cutter as defined in claim 1, wherein: the tail part of the machine rod (2) and the part close to the working head (1) are respectively provided with an anti-skidding grip (20).

5. The improved brush cutter as defined in claim 1, wherein: the machine rod (2) is provided with a switch (21) for controlling the on-off of the motor (110), and the switch (21) is positioned at the position 1-3CM in front of the anti-skid grip (20) at the tail part of the machine rod (2).

6. The improved brush cutter as defined in claim 1, wherein: the circuit of motor (110) is located brush cutter inside, and the power supply line of motor (110) stretches out and is connected to the power from quick-witted pole (2) afterbody.

7. The improved brush cutter as defined in claim 1, wherein: a hook (102) convenient for fixing and taking down the collecting bag is arranged at the opening at the tail part of the cover body (10).