Brushcutter with impeller

Abstract

To provide a brush cutter with an additional blowing function, since in places such as parks and exercise areas where fallen leaves and grass are mixed together, it is necessary to blow the grass away with a blower after cutting it and clean it up, which is a time-consuming task. [Solution] A brush cutter has a disk-shaped base 21 on the underside and a disk-shaped protective plate 22 on the upper surface of the base 21, and an impeller 2 with multiple blades 23, 24 between the base 21 and the protective plate 22. The brush cutter also has a blower function, blowing air and cleaning at the same time.

Description

[Technical field]

[0001] This invention relates to a shoulder-mounted or backpack-mounted brush cutter that adds an impeller with a blowing function. [Background technology]

[0002] Water flows into the corners where the road and sidewalk meet, and soil and sand accumulate, causing grass to grow and leading to the accumulation of fallen leaves and garbage. In addition, in places with soil, such as playgrounds, athletic fields, and parks, grass grows and fallen leaves pile up, resulting in a mixture of grass and fallen leaves.

[0003] To clean such places, first cut the grass with a brush cutter, then It is necessary to use a blower to blow away both grass and fallen leaves and clean the area.

[0004] Mototaka's proposal adds a blower function to the brush cutter so that the above two tasks can be performed simultaneously. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Patent Publication No. 2015-19644 Summary of the Invention [Problem to be solved by the invention]

[0006] In JP 2015-19644 A, wings are provided on the upper surface of the rotating blade, causing air to flow from bottom to top, which holds the grass upright, cuts it, and blows it away to prevent it from getting entangled in the shaft. Although they share the commonality of generating wind, the prior art has blades attached to the rotating blades, which are consumables, whereas the present invention differs in structure in that the impeller is attached to a point separate from the rotating blades, which are consumables.

[0007] Leaves, twigs, etc. fall from trees depending on the season and are scattered and piled up on roads, sidewalks, parks, playgrounds, etc. These fallen and accumulated fallen leaves need to be cleaned up. Traditionally, bamboo brooms and other tools have been used to remove fallen leaves, but large amounts of fallen leaves are usually cleaned up by blowing them away with the help of a fan called a blower. In addition, in places with soil such as athletic fields, stadiums, and parks, weeds grow and fallen leaves and grass are mixed together, so water flows as drainage at the rising part where the road and the sidewalk meet, soil and sand accumulate, grass grows, and fallen leaves accumulate there. Furthermore, grass grows and leaves accumulate on the horizontal part and the rising part of the stairs.

[0008] However, when grass and fallen leaves are mixed together, the blower alone cannot remove the grass, so the grass is first cut with a brush cutter, and then the blower is used to remove and clean up both the grass and fallen leaves. This requires a two-step process and also requires a blower. In addition, if you attach a nylon cord to the brush cutter, the tip of the cord can reach into corners such as corners, allowing you to cut grass and rake up wet fallen leaves while blowing them away to clean up the area. [Means for solving the problem]

[0009] In consideration of the above problems, the present invention provides a brush cutter characterized by having a disk-shaped base on the underside and a disk-shaped protective plate on the upper surface of the base, and an impeller with multiple blades attached between the base and the protective plate. The brush cutter of this invention is equipped with an impeller, which gives it the function of a blower, so that it can cut grass and blow air to clean up the cut grass and fallen leaves at the same time, making work more efficient. In addition, when raking up fallen leaves that have stuck to the ground, the wind can be used to blow them away, making it easier to work in difficult places such as corners. Effect of the Invention

[0010] The attached impeller rotates to generate wind, which acts like a blower and can blow away fallen leaves, grass clippings, etc. It can also be used like a brush cutter, for example by using a nylon cord to cut grass, and can simultaneously cut the grass and blow it away with the wind, allowing for efficient cleaning work. By providing a blowing function to a brush cutter, a low-cost brush cutter can be realized. Also, this invention can be easily installed on a conventional brush cutter. [Brief description of the drawings]

[0011] [Figure 1] Overall view of shoulder-mounted brush cutter [Diagram 2] Top view of the impeller of this invention installed [Diagram 3] Cross-sectional view of arrows A-B in Figure 2 [Figure 4] A perspective view for explaining the impeller [Diagram 5] Cross section of impeller used as a blower DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] An embodiment will be described below with reference to the accompanying drawings. FIG. 1 shows a typical shoulder-type brush cutter body 1, which comprises an engine, a shaft, and a cutting blade, with a tipped saw 11 attached to the cutting blade. In addition, nylon cord may be used instead of the tip saw 11. Typically, the brush cutter 1 configured in this manner is used to cut down weeds. In the present invention, an impeller 2 is attached to the brush cutter to add a blower function.

[0013] FIG. 4 is a perspective view of the impeller 2 of the present invention. The impeller 2 has a disk-shaped base 21 having a mounting hole 211 on the bottom surface thereof for fitting to the brush cutter 1, and a disk-shaped protective plate 22 on the top surface of the base 21. Between the base 21 and the protective panel 22, a plurality of mounting blades 23 each having a U-shaped cross section and a plurality of blades 24 each having an L-shaped cross section are alternately arranged radially and evenly on the upper surface of the base 21, Each one is secured in place with rivets. Furthermore, a disk-shaped protective plate 22 having an air flow hole 221 in the center is attached to the mounting blade 23 with rivets. The protective panel 22 on the upper surface prevents fallen leaves, twigs, etc. from contacting the attached blades 23 and 24, and also straightens the air flow to obtain a stronger wind force.

[0014] As shown in FIG. 3, the impeller 2 is attached to the brush cutter 1 by fitting the mounting bracket 3 through a mounting hole 211. A nylon cord 4 is inserted into the mounting bracket 3 at a position facing the mounting bracket 3. The nylon cord 4 is provided at its end with a projection 41 that serves as a stopper. Furthermore, the bottom of the mounting bracket 3 is provided with a sloped portion for sliding movement. The top cover 5 is intended to prevent fallen leaves, garbage, twigs, etc. from flowing into the impeller 2 when air entering through the air flow holes 221 of the impeller 2 flows outward due to centrifugal force. The guide plate 6 has a semicircular edge that guides the wind along the edge and directs it in a certain direction. It also serves to prevent the grass cut by the nylon cord 4 from scattering.

[0015] Fig. 5 shows the case where it is used only as a blower. In this embodiment, the work is usually performed while touching the ground and sliding. The mounting bracket 7 for attaching the impeller 2 to the brush cutter 1 does not have an insertion port for the nylon cord 4 and is freely rotatable. When in contact with the ground, it does not rotate, thereby preventing wear.

[0016] If the brush cutter of this invention is used in places such as parks, playgrounds, and stadiums where there is soil and grass and fallen leaves are mixed together, it can mow the grass and at the same time blow it away with the wind to clean it up. In addition, water flows as drainage at the rising part where the road and the sidewalk meet, and dirt easily accumulates on the corners, grass grows, and fallen leaves accumulate. Furthermore, dirt accumulates at the corners of stairs between the horizontal and rising parts, where grass and leaves tend to grow. This device can be applied to corners that are difficult to clean. As described above, by using the brush cutter of this invention, you can cut grass and remove fallen leaves at the same time, so you can rake out fallen leaves that have stuck to corners with the nylon cord and blow them away to clean them up at the same time. [Industrial Applicability]

[0017] By attaching an impeller to the function of the brush cutter, it is also given the function of a blower, so that cleaning can be done by blowing air at the same time as mowing, allowing for efficient work. In addition, it is possible to rake out stuck fallen leaves and other debris and blow them away with the wind at the same time, making this task easy even in places where it was difficult to do so with conventional methods. It can be used only as a blower, so there is no need to purchase an expensive blower. [Explanation of symbols]

[0018] 1 Brushcutter body 11 Tip saw 2 Impeller 21 Disk-shaped base 211 mounting holes 22 Disc-shaped protective disk 221 Air flow hole 23 Mounting blade 3 Mounting bracket 4 Nylon Cord 41 Nylon cord protrusion 5 Top cover 6 Guide plate 7 Mounting hardware of other embodiments

Claims

[Claim 1] A disk-shaped base is provided on the lower surface, and a disk-shaped protective plate is provided on the upper surface of the base, a bladed wheel having a plurality of blades attached between said base and said protective plate;

Images