TWI795777B - Air conduction cleaning device - Google Patents

Abstract

An air-conducting cleaning device with an air flow channel, at least including a annular rotation removal piece and a plurality of fan blades, the glass leaves may be cut when the annular rotation removal piece rotates, the plurality of fan blades are arranged on the annular rotation removal piece; when the annular rotation removal piece rotates, the air flow generated by the fan blades will be directed to the air flow channel, and the air flow will pull the chopped grass leaves or the fallen grass body to the air flow channel, so the air-conducting cleaning device can immediately and efficiently collect the cut grass leaves during use and operation, and improve its work efficiency.

Description

Air-guided cleaning device

The present invention relates to a weeding device, in particular to an air conduction type clearing device with an air flow channel.

There are common weeding equipment, such as lawnmowers, weeders, brush cutters, etc. When cutting the herb plants, the herb plants are mainly cut through the knives installed on them when they rotate at high speed, and at the same time, they are loaded on them. The wheels realize orientation and walking. The more commonly used weeding equipment is the rotary knife mower. The rotary knife mower mainly uses the main shaft of the cutter head installed on the lawn mower to rotate at a high speed under the drive of the motor, and cuts the herb plants through the cutter provided on the cutter head. Compared with traditional manual weeding, the use of rotary knife mowers can save weeding time and reduce a lot of manpower and material resources.

When the weeding equipment is in use, it is necessary to collect the cut grass blades and the grass clippings produced, so as to prevent the cut grass blades and the generated grass clippings from blocking the cutting work space and progress of the cutter, so as to ensure the working efficiency and service life. In addition, when weeding equipment is mowing, grass ash and dust are prone to occur. These grass ash will enter the user's respiratory tract through respiration, etc. and affect the health of the body. And when the weeding equipment is in operation, the cutter rotates at high speed and cuts the leaves and stems of the herbaceous plants quickly. At the same time, the cut grass blades, etc. will accumulate to a certain extent. The grass blades after these cuttings have certain weight after piling up, are difficult for collecting, and then Affect the working efficiency of the weeding equipment.

Therefore, in the field of weeding equipment, how to collect the cut grass blades and the generated grass ash immediately, quickly and efficiently during the operation of the weeding equipment has become one of the problems that those skilled in the art want to actively solve.

The object of the present invention is to provide an air-conducting clearing device, which has a diversion function, and the cut grass blades or fallen grass bodies will be pulled to the air flow channel by the air flow, so that the cut grass blades can be cleaned immediately, quickly and efficiently. Collect the grass blades and the grass ash produced to improve the working efficiency of the weeding equipment and prolong its service life.

In order to achieve at least one of the above advantages or other advantages, an embodiment of the present invention provides an air-conducting cleaning device having an air flow channel. The air-guided clearing device at least includes an annular rotating clearing member and a plurality of fan blades, and the plurality of fan blades are coupled with the annular rotating clearing member. The blades of grass can be cut off when the ring-shaped rotary clearing member rotates. At the same time, the airflow generated by the fan blades is guided to the airflow channel, and the airflow generated by the fan blades will pull the cut grass blades or the fallen grass body to the airflow channel. .

In one embodiment, the air-conducting clearing device may further include a grass collecting device, which is arranged outside the air-conducting clearing device and connected to the outlet of the airflow channel, and can collect the cut grass blades.

The air-conducting clearing device can further include a plurality of screen holes, which are arranged on the grass collecting device for exhausting, filtering, and collecting the grass ash in the grass collecting device. In one embodiment, the airflow channel is arranged upward in the vertical direction and leads to the interior of the grass collecting device. When the ring-shaped rotary clearing member rotates, the vortex airflow generated by these fan blades can cut off the blades of grass in the air Gather in the direction of the grass collection device in the flow channel for collection and cleaning.

Further, the circular rotating clearing member includes a transmission structure. The transmission structure is fixedly connected with the ring-shaped rotating cleaning part, and when the driving structure rotates, it will drive the ring-shaped rotating cleaning part to rotate. The air-guided cleaning device may also include a chassis, a power unit, and a housing.

The chassis is equipped with a plurality of wheels. The wheels can touch the ground downwards. An electric motor or a gasoline engine can be installed on the chassis to drive the wheels to rotate and move the air-guided cleaning device. Further, an upright shaft is fixed upwardly at the center of the chassis.

The power device is arranged on the chassis, and is used as a power source for the rotation of the ring-shaped rotary clearing member. Wherein, the power device is more stable when it is arranged on the chassis top, and provides the power required for rotation to the ring-shaped rotating clearing member. When the ring-shaped rotating clearing member rotates, the blades of grass can be cut off. At the same time, the airflow generated by the fan blades is guided to the airflow channel, and the airflow generated by the fan blades will pull the cut grass blades or the fallen grass body to the airflow channel.

The transmission structure cover is arranged on the chassis, is coupled with the power device, and is driven by the power device to rotate relative to the chassis. The transmission structure is fixedly connected with the ring-shaped rotating cleaning part, so when the driving structure is driven by the power device to rotate, the transmission structure will further drive the ring-shaped rotating cleaning part to rotate, so that the ring-shaped rotating cleaning part cuts off the blades of grass.

The outer casing is arranged outside the transmission structure, and the center of the upper end of the outer casing is fixedly arranged on the upper part of the shaft of the chassis, wherein the air flow channel is formed between the outer casing and the transmission structure. The configuration of the casing and the configuration of the transmission structure will affect the size of the airflow channel, and affect the flow rate and flow rate of the airflow. When the transmission structure rotates at high speed, the casing is relatively static, so in design, it is necessary to prevent the high-speed transmission structure from hitting the inside of the casing.

In some other embodiments, the transmission structure in the air conduction cleaning device is further Can include bushing and swivel cover. The shaft sleeve is sleeved on the shaft rod which is vertically and fixedly arranged at the center of the chassis, and is coupled with the power device. The rotating cover is fixedly connected to the shaft sleeve and is covered on the chassis. When the shaft sleeve is driven by the power device, it can rotate around the shaft and drive the rotary cover to rotate. The rotating cover is fixedly connected with the annular rotating cleaning part. When the rotating cover is rotated by the rotation of the shaft sleeve, the ring-shaped rotating clearing member is driven to rotate and cut off the grass blades. Wherein, the air flow channel is formed between the casing and the rotating cover. When the ring-shaped rotary clearing member rotates, the fan blades are driven to rotate, and the airflow generated by the fan blades can pull the cut grass blades or the fallen grass bodies to the airflow channel, and then collect the cut grass blades, or remove the grass blades pulled up by the airflow. Grass for cutting. In this example, the airflow channel is formed and covered between the casing and the rotating cover. According to the configuration of the casing and the rotating cover, the air flow channel is an annular channel extending upward in the vertical direction and leading to the interior of the grass collecting device.

In some embodiments, the fan blade of the air-guided cleaning device may have a blade, which can be directly used as the blade. When the ring-shaped rotary clearing member rotates, the fan blades can generate airflow to pull the cut blades of grass or the fallen blades of grass to the airflow passage when the fan blades rotate thereupon, and can also be used as the blade to straighten the blades of grass cutting.

In some embodiments, the annular rotating clearing member of the air-guided clearing device can be used as an annular knife. At this time, the annular rotating clearing member at least includes an annular knife holder and at least one knife piece. In this article, the circular rotating clearing member is described by taking a plurality of cutters as an example. The ring tool holder is a ring hollow structure with an inner ring and an outer ring. A plurality of cutter pieces extend outward from the annular cutter holder. Specifically, the cutter piece can extend radially from the inner ring to the outer ring of the annular tool holder. The plurality of cutter pieces and the annular cutter holder can be integrally formed, or can be assembled and fixed after being processed and formed separately. Wherein, the blades can be cut off by the blades when the ring blade holder rotates.

In some embodiments, there are multiple There are two attachment positions, on which the blades and the blades are installed, so as to be fixed on the ring blade holder. When the ring knife holder rotates, the knife pieces rotate thereupon and cut off the blade of grass.

In some embodiments, the annular knife holder of the air-conducting cleaning device has a limiting member extending downward or bottom from the inner ring of the annular knife holder. When the cutters and the fan blades are installed under or at the bottom of the annular knife holder, the limiter can limit the cutters and the fan blades, and prevent them from being damaged when the annular cutter holder rotates at high speed. The cutter and fan blade driven by it run at a high speed so as to turn into the hollow part of the annular cutter holder and cause danger.

In some embodiments, the annular rotary clearing part of the air-guided clearing device can also include a plurality of positioning devices, which are arranged on one side of the inner ring of the annular knife rest and cooperate with the inner ring of the annular knife rest. Adjusting these positioning devices can make The ring tool holder rotates in the same plane. These locating devices and the inner ring of the ring tool rest are preferably matched with clearance. At this time, adjusting these locating devices can make the ring turret rotate in the same plane. The space between will not wear because of being too close.

In some embodiments, the circular rotating clearing member can be used as a sweeping disc for cleaning cut grass blades. At this time, a plurality of brushes can be coupled to the circular rotating clearing member to clean the cut grass blades or comb the grass blades overwhelmed by the air conduction type clearing device.

When the circular rotating clearing part in the air-guided clearing device is used as a circular cutter, it can cooperate with the fan blades to trim and cut off the grass blades in the lawn, and the airflow and airflow generated when the fan blades rotate Under the combined action of the channels, the cut grass blades can be removed by the grass collecting device. When the circular rotating clearing part in the air-guided clearing device is used as a sweeping disc, after the grass blades in the lawn are cut, under the joint action of the airflow, airflow channel and brushes generated when the fan blades rotate, the cut grass blades to clear. Alternatively, the annular The rotating clearing part can simultaneously perform the functions of a ring cutter and a sweeping disc. The air-guided clearing device can not only trim and cut off the overlong grass blades in the lawn during operation, but also use the brush to clean the cut grass blades. Grass blades are collected and cleaned up.

Therefore, utilize a kind of air conduction type clearing device provided by the present invention, through the fan blade and the air flow passage that are arranged on it, the blade of grass after cutting or the grass body that falls all can be pulled to the air flow passage by air flow, thus, in the air conduction During the operation of the type clearing device, the cut grass blades and the generated grass ash can be collected immediately, quickly and efficiently, so as to improve its working efficiency and prolong its service life.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of this creation, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of this creation more obvious and understandable , the following preferred embodiments are specifically cited below, and in conjunction with the attached drawings, the detailed description is as follows.

100: Air conduction cleaning device

110: Airflow channel

120: circular rotation clearing part

122: Ring knife holder

124: Knife

126: inner ring

128: outer ring

123: Mounting position

1230: positioning hole

1232: Angle adjustment hole

125: limit piece

127: Positioning device

1272: gear plate

1274: Rotation axis

1276: chain

130: fan blade

140: Grass collection device

142: sieve hole

150: Chassis

152: wheel

154: shaft

160: power unit

170: Transmission structure

172: shaft sleeve

174: rotating cover

176: The first turntable

178: Second turntable

180: shell

190: brush

192: Brush handle

194: bristles

The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to illustrate the implementation of the present application, and explain the principle of the present application together with the text description. Obviously, the drawings in the following description are only some embodiments of the application, and are not intended to limit the implementation of the application to this. For those skilled in the art, of course, they can be derived from these drawings. other schemata. The drawings include: (Fig. 1) is a schematic cross-sectional view of the air-conducting cleaning device in the present invention.

〔Fig. 2〕 is the overall illustration of an embodiment after the air-conducting clearing device removes the grass-collecting device among the present invention intention.

[Fig. 3] is a schematic diagram of the internal structure of the air-conducting cleaning device shown in Fig. 2.

〔Fig. 4〕 is the three-dimensional schematic view of the circular rotating clearing part of the air conduction type clearing device shown in Figure 2.

〔Fig. 5〕 is the overall schematic diagram after the ring-shaped rotating removal part shown in Fig. 4 is assembled.

[Fig. 6] is the whole of another embodiment after the air-conducting clearing device removes the grass-collecting device in the present invention schematic diagram.

[Fig. 7] is a schematic view of the internal structure of the air-conducting cleaning device shown in Fig. 6.

〔Fig. 8〕 is the three-dimensional schematic view of the annular rotating clearing part of the air conduction type clearing device shown in Figure 6.

〔Fig. 9〕 is the overall schematic diagram after the ring-shaped rotating removal part shown in Fig. 8 is assembled.

Specific structural and functional details disclosed herein are representative only and for purposes of describing example embodiments of the present invention. This invention may, however, be embodied in many alternative forms and should not be construed as limited to only the embodiments set forth herein. In describing the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the device or Components must have a particular orientation, or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In addition, the term "comprising" and any variations thereof mean "comprising at least".

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. The connection, or integrally formed connection; can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "an" are intended to include the plural unless the context clearly dictates otherwise. It should also be understood that the terms "comprising" and/or "comprising" as used herein specify the presence of stated features, integers, steps, operations, units and/or components, but do not exclude the presence or addition of one or more Other features, integers, steps, operations, units, components and/or combinations thereof.

Please refer to FIG. 1, which is a schematic cross-sectional view of an air-conducting cleaning device in the present invention. In order to achieve at least one of the above advantages or other advantages, an embodiment of the present invention proposes an air-conducting cleaning device 100, which has an airflow channel 110, which includes an annular rotating cleaning part 120 and a plurality of fan blades 130, and a plurality of The fan blade 130 is coupled with the annular rotating cleaning member 120 . The ring-shaped rotating clearing member 120 in the illustration is a single-ring type. However, it is not limited thereto, and according to different use scenarios or actual application conditions of the air-conducting cleaning device 100 , the circular rotating cleaning member 120 may be a double-ring type or a multi-ring type. In this way, the cleaning range of the air-conducting cleaning device 100 (such as the cutting area of grass blades per unit time) can be adjusted according to requirements, thereby improving its working efficiency and shortening the cleaning time.

A plurality of fan blades 130 are arranged on the ring-shaped rotating cleaning part 120 and extend outward from the ring-shaped rotating cleaning part 120. When the ring-shaped rotating cleaning part 120 rotates, the blades of grass can be cut off. The airflow generated by the fan blades 130 is guided to the airflow channel 110 , and the airflow generated by the fan blades 130 can pull the cut grass blade or the fallen grass body to the airflow channel 110 . It can be understood that when the air-guided cleaning device 100 is running, the plurality of fan blades 130 can generate the required airflow when the circular rotating cleaning member 120 rotates. Therefore, there is no need to additionally install a fan in the air-conducting cleaning device 100 to generate the required airflow.

The air-conducting clearing device 100 may also include a grass collecting device 140 , which is disposed outside the air-conducting clearing device 100 and connected to the outlet of the airflow channel 110 . When the air-conducting type clearing device 100 is in working condition, the airflow generated by these fan blades 130 can fluff the herbs (such as straightening and blowing up the fallen grass body), such as for the air-conducting type clearing device When the 100 moves, the overwhelmed grass plants are blown up and straightened to facilitate cutting, and the cut grass blades are fluffed to facilitate collection. Grass blades and the like are led out and collected in the grass collecting device 140 . The arrangement of these fan blades 130 can also accelerate air convection between the air conduction type cleaning device 100 and the outside world during operation, and improve the heat dissipation effect of the transmission parts and rotating parts inside the air conduction type removal device 100 .

As shown in FIG. 1 , in this example, the grass collecting device 140 has a plurality of channel screens 142 to convect the air-conducting clearing device 100 . The airflow generated by the fan blade 130 flows through the airflow channel 110 to the grass collecting device 140 and then is discharged through the meshes 142, convecting with the outside atmosphere, so as to better clean the grass covered by the air-guided cleaning device 100 when it moves. Plants and cut grass blades are fluffed.

The pore size of the sieve holes 142 can be set according to different actual needs. When the gap of the screen hole 142 is large, a plurality of baffles (not shown in the figure) can also be provided inside the grass collecting device 140 . The baffles can selectively cover the screen holes 142 . When the air-conducting cleaning device 100 ends After operation, when the grass collecting device 140 is cleaned, these baffles can cover the screen holes 142, preventing the blades of grass and grass clippings collected in the grass collecting device 140 from leaking from the screen holes 142, so that the blades of grass, grass The cuttings are left in the grass collecting device 140 and the grass collecting device 140 is cleaned once.

In the illustrated example, the airflow channel 110 is arranged vertically upward (as shown by the arrow in FIG. 1 ), and leads to the interior of the grass collecting device 140 . In this way, when the ring-shaped rotary cleaning member 120 rotates, the fan blades 130 can generate a vortex airflow driven by the rotary cleaning member 120, and then, the vortex airflow generated by these fan blades 130 can cut off the blades of grass. Gather towards the grass collecting device 140 through the airflow channel 110 for further collection and cleaning.

To further illustrate, the arrangement of the grass collecting device 140 is not limited thereto. For example, in an example, the grass collecting device 140 may be a separately provided grass collecting bucket, which may be connected to the air-conducting clearing device 100 through a hose to collect grass clippings. The grass bucket can be fixed on the outside of the air-conducting cleaning device 100 and communicated via a hose. The grass collecting bucket can also be a roller movable grass collecting bucket, which communicates with the air-conducting clearing device 100 through a hose and then moves together with the air-conducting clearing device 100 .

Referring to Fig. 2 and Fig. 3 in conjunction with Fig. 1, Fig. 2 is an overall schematic diagram of an embodiment of the air-conducting clearing device after removing the grass collecting device in the present invention, and Fig. 3 is a schematic diagram of the internal structure of the air-conducting clearing device shown in Fig. 2 . As shown in the figure, the circular rotating clearing member 120 may further include a transmission structure 170 . The transmission structure 170 is fixedly connected with the ring-shaped rotary cleaning member 120, and when the transmission structure 170 rotates, it will drive the circular rotary cleaning member 120 to rotate. The air-guided cleaning device 100 may further include a chassis 150 , a power unit 160 and a housing 180 . The chassis 150 is equipped with a plurality of wheels 152, and the wheels 152 can touch the ground downward and can rotate and move on the ground. An electric motor or gasoline engine can be additionally installed on the chassis 150 to drive the wheels 152 to rotate to move the air-conducting cleaning device 100 . In addition, air-conducting The power unit 160 already provided in the clearing device 100 drives the wheels 152 to rotate to move the air-guided clearing device 100 . The chassis 150 surrounds the outer sides of the wheels 152 , and the wheels 152 can drive the air-conducting clearing device 100 to move, orient and position in different directions.

The shaft 154 is vertically and fixedly installed at the center of the chassis 150 . The power device 160 is disposed above the chassis 150 , and is disposed on one side of the shaft 154 in the figure, and serves as a power source for the rotation of the ring-shaped rotary cleaning member 120 . The transmission structure 170 is covered on the chassis 150 and is coupled to the power device 160 , and is driven by the power device 160 to rotate relative to the chassis 150 . The chassis 150 is erected on the top of the ring-shaped rotating cleaning part 120, and the ring-shaped rotating cleaning part 120 is fixedly connected with the transmission structure 170. When the power unit 160 drives the transmission structure 170 to rotate, the transmission structure 170 drives the ring-shaped rotating cleaning part 120 to rotate to cut off the blades of grass.

The casing 180 is disposed outside the transmission structure 170 . The center of the upper end of the housing 180 is fixedly disposed on the upper part of the shaft 154 of the chassis 150 , wherein the airflow channel 110 is formed between the housing 180 and the transmission structure 170 . The grass collecting device 140 can be arranged on the upper outside of the housing 180 and docked with the outlet of the airflow channel 110, and the grass clippings and cut grass blades can be exported through the airflow channel 110 by the airflow generated when the fan blade 130 rotates. And collect in the grass collecting device 140.

The shape and structure of the housing 180 and the shape and structure of the transmission structure 170 will affect the size of the airflow channel 110 formed between them, and at the same time affect the flow velocity and flow rate of the airflow. When the transmission structure 170 is driven by the power device 160 to rotate at a high speed, the casing 180 is relatively stationary. Therefore, in terms of the shape and structure design of the casing 180 , it is necessary to prevent the transmission structure 170 from colliding into the inside of the casing 180 during high-speed operation. Furthermore, the ring-shaped rotating cleaning part 120 is fixedly connected to the transmission structure 170, that is, the fan blade 130 on the ring-shaped rotating cleaning part 120 will be located in the space between the transmission structure 170 and the inside of the housing 180 to move at a high speed with the ring-shaped rotating cleaning part 120. rotation, it is necessary to prevent the fan blade 130 from colliding with the hit the inside of housing 180.

In the air-guided cleaning device 100 , the transmission structure 170 may further include a shaft sleeve 172 and a rotating cover 174 . The bushing 172 is sleeved on the shaft 154 of the chassis 150 and is coupled with the power device 160 through gear teeth engagement. The rotating cover 174 is fixedly connected to the shaft sleeve 172 and is covered on the chassis 150 . The lower edge of the rotating cover 174 is fixedly connected to the ring-shaped rotating cleaning member 120 . The shaft sleeve 172 can rotate around the shaft 154 under the drive of the power unit 160, and drives the rotating cover 174 to rotate, thereby driving the ring-shaped rotary clearing member 120 to rotate to cut off the blades of grass. The air flow channel 110 is formed between the casing 180 and the rotating cover 174 . According to the configurations of the housing 180 and the rotating cover 174 , the airflow channel 110 is an annular channel extending upward in the vertical direction and leading to the interior of the grass collecting device 140 . When the ring-shaped rotary cleaning member 120 rotates, the fan blades 130 are driven to rotate, and the airflow generated by these fan blades 130 is guided to the airflow channel 110, and the grass clippings, cut grass blades, etc. are exported and collected to the grass collecting device through the airflow channel 110 140, and pull the fallen grass body to the airflow channel 110 to cut, and then the grass collecting device 140 is cleaned up once.

In a specific implementation, the fan blades 130 can be installed outside the rotating cover 174 of the transmission structure 170 . For example, the fan blades 130 may be installed at the lower edge of the rotating cover 174 , that is, at the connecting portion between the rotating cover 174 and the ring-shaped rotating cleaning member 120 . When the transmission structure 170 rotates, it will drive the rotary cover 174 to rotate, so that the fan blades 130 installed on the rotary cover 174 rotate, and the airflow generated by the fan blades 130 is guided to the airflow channel 110 . Thus, when the transmission structure 170 rotates, it can drive the ring-shaped rotary cleaning part 120 to rotate and drive the fan blades 130 installed on the circular rotary cleaning part 120 to rotate and generate air flow, and at the same time, it can drive the rotary cover 174 to rotate to drive the rotary cover. The fan blades 130 installed on 174 rotate and generate airflow. In this case, the airflow intensity flowing to the airflow passage 110 can be increased, and the removal efficiency of grass blades can be improved.

As shown in the figure, in an example, the power device 160 is disposed above the chassis 150 and may be disposed parallel to the shaft 154 . The power device 160 may be a motor, which provides power for the rotation of the ring-shaped rotary clearing member 120 , and the shaft 154 may be fixedly arranged above the chassis 150 via a fixing member.

The shaft sleeve 172 in the illustration is roughly in the shape of "I", at least including a first turntable 176 and a second turntable 178, the first turntable 176 is located below the second turntable 178, and the diameter of the first turntable 176 is larger than that of the second turntable 178 diameter. The first turntable 176 is connected to the power device 160 and driven by the power device 160 to rotate. Further, the outer peripheral portion of the first turntable 176 has a gear, which is engaged with the power device 160 for gear transmission. The first turntable 176 is provided with a plurality of openings, which can reduce the overall weight of the shaft sleeve 172 and make it rotate more smoothly and stably. The rotating cover 174 is fixedly connected to the second turntable 178 and is covered on the chassis 150 . Meanwhile, the lower edge of the rotating cover 174 is fixedly connected to the ring-shaped rotating cleaning member 120 .

When the power unit 160 drives the first rotating disk 176 to rotate, the first rotating disk 176 drives the second rotating disk 178 to rotate, and the second rotating disk 178 drives the rotating cover 174 to rotate, and the rotating cover 174 drives the ring-shaped rotating cleaning part 120 to rotate and can cut off the grass blades. When the ring-shaped rotary cleaning member 120 rotates, the fan blades 130 are driven to rotate, and the airflow generated by these fan blades 130 is guided to the airflow channel 110, and the grass clippings, cut grass blades, etc. are exported and collected to the grass collecting device through the airflow channel 110 140, and the fallen turf is pulled toward the airflow channel 110 to cut.

The wheels 152 are downward and can touch the ground, and the air-conducting cleaning device 100 can be moved when the wheels 152 rotate. The wheels 152 can be driven by the power device 160 to drive the air-conducting cleaning device 100 to move. However, it is not limited thereto, and the wheel 152 can be driven by an external power mechanism to move. The external power mechanism can be assembled on the chassis 150 . The external power mechanism can be a motor and battery, diesel power, gasoline engine, etc. Further, the battery can be a solar battery. Wheels 152 may include powered Wheel (the big wheel that passes through the chassis 150 in the figure) and the directional wheel (the small wheel that is positioned at the bottom of the chassis 150 among the figures), the power wheel controls the walking and moving of the air-guided cleaning device 100, and the directional wheel controls the movement of the air-guided cleaning device 100. Walking direction, fixed-point positioning.

In a specific implementation mode, one side of the fan blades 130 in the air-conducting cleaning device 100 has blades, such as smooth blades or serrated blades, and these fan blades 130 can be used as the blades of the present invention. When the ring-shaped rotary clearing member 120 rotates, the fan blade 130 rotates thereupon to generate an airflow to pull the cut grass blade or the fallen grass body to the airflow channel, and also to straighten the fallen grass body for cutting .

Referring to Fig. 4 and Fig. 5 in conjunction with Fig. 1 to Fig. 3, Fig. 4 is a schematic perspective view of the annular rotating clearing part of the air-conducting clearing device shown in Fig. 2, and Fig. 5 is the overall assembly of the annular rotating clearing part shown in Fig. 4 schematic diagram. In the air conduction cleaning device 100, the ring-shaped rotating cleaning member 120 matched with it can be used as a ring cutter. At this time, the circular rotary cleaning member 120 may include a circular knife holder 122 and at least one knife piece 124 . In the accompanying drawings, the circular rotating clearing member 120 with a plurality of cutters 124 is taken as an example for illustration and description.

The ring tool holder 122 is an annular hollow structure with an inner ring 126 and an outer ring 128 . A plurality of knife pieces 124 extend outward from the circular knife frame 122 , wherein the knife pieces 124 can cut grass blades when the circular knife frame 122 rotates. As shown in the figure, in a specific embodiment, the plurality of cutters 124 extend outward in a nearly radial manner from the inner ring 126 toward the outer ring 128 of the annular cutter holder 122 . The ring-shaped rotating cleaning part 120 is fixedly connected to the transmission structure 170, that is, the plurality of cutters 124 on the ring-shaped rotating cleaning part 120 will be located in the space between the rotating cover 174 and the inside of the housing 180 to rotate at a high speed with the ring-shaped knife holder 122, It is necessary to prevent the cutter 124 from colliding with the inside of the casing 180 when rotating at a high speed. The annular knife rest 122 and the plurality of knife pieces 124 can be integrally formed, and can also be split, such as the two are formed separately and then assembled fixed.

To further illustrate, as shown in FIG. 1 and FIG. 2 , the airflow channel 110 is formed and covered between the housing 180 and the rotating cover 174 , and extends upward in the vertical direction to the inside of the grass collecting device 140 . The configurations of the shell 180 and the rotating cover 174 are generally hollow arc hemispherical, and there is a certain distance between the shell 180 and the rotating cover 174 after assembly, and this distance can be used as the airflow channel 110 . Therefore, the airflow channel 110 is an annular channel and extends upwards in the vertical direction to lead to the interior of the grass collecting device 140 . In this way, when the annular rotating clearing member 120 rotates, the vortex airflow generated by the fan blades 130 driven by the rotating clearing member 120 can put the cut grass blades in the airflow channel 110 formed between the casing 180 and the rotating cover 174 . Blow upwards in the grass collecting device 140 along the vertical direction to collect and clean up.

In the illustrated embodiment, the annular knife holder 122 and the plurality of knife pieces 124 are arranged separately. The annular tool holder 122 of the annular rotating clearing member 120 has a plurality of installation positions 123 , and the cutter pieces 124 and the fan blades 130 are mounted on the installation positions 123 , and then fixed on the annular tool holder 122 . In the figure, the blade 124 and the fan blade 130 are installed under or at the bottom of the ring blade holder 122 . A plurality of mounting positions 123 can be arranged on the ring tool holder 122 at equal intervals. However, it is not limited thereto. According to the requirements of different usage scenarios, the plurality of mounting positions 123 can also be arranged on the ring tool holder 122 at unequal intervals. In other words, the distance between the plurality of mounting positions 123 can be flexibly adjusted according to actual needs. In addition, the fan blades 130 can be equidistantly arranged on the ring blade holder 122 through the mounting positions 123 . However, it is not limited thereto. According to the different conditions of the grassland to be trimmed, the fan blades 130 in the air-guided clearing device 100 can be arranged on the ring blade holder 122 at unequal intervals to achieve expected functions and effects.

Each mounting position 123 includes at least one positioning hole 1230 and a plurality of angle adjustment holes 1232 disposed between the inner ring 126 and the outer ring 128 of the ring tool holder 122 . Among them, the positioning hole 1230 The plurality of angle adjustment holes 1232 are arranged near the inner ring 126 side of the annular knife holder 122 , and the plurality of angle adjustment holes 1232 are arranged near the outer ring 128 side of the annular knife holder 122 . The positioning hole 1230 and the plurality of angle adjustment holes 1232 can be arranged in a ring, that is, the angle adjustment holes 1232 surround the positioning hole 1230 . In the figure, the layout cross section of the positioning hole 1230 and the plurality of angle adjustment holes 1232 is fan-shaped. The knives 124 are fixedly connected to the positioning holes 1230 and at least one angle adjusting hole 1232 among the angle adjusting holes 1232 , are mounted on the bottom or the bottom of the annular knife holder 122 , and rotate in the same plane. The angles of the angle adjustment holes 1232 may not be exactly the same. According to different usage requirements, the knife pieces 124 can be mounted on the angle adjustment holes 1232 with different angles. In this way, the blades of grass cut by the circular rotating clearing member 120 can have different cutting angles, cutting heights and/or lengths, so that the air-guided clearing device 100 can be applied to a variety of lawn trimming.

When the wheel tool 152 is installed, it is positioned at the hollow portion of the annular knife holder 122 of the annular rotating clearing member 120, so that the cutting area of the cutter 124 of the annular rotating clearing member 120 can be adjusted within a certain range. For example, cutters 124 of different lengths are installed on the annular cutter holder 122 to adjust the cutting area of the annular rotating cleaning member 120 per unit time, thereby improving the working efficiency of the air-conducting cleaning device 100 . At the same time, this arrangement can make the air-conducting cleaning device 100 smaller and lighter, which is convenient for transportation and portability. To further illustrate, when the wheel 152 is installed in the hollow inside the annular rotating cleaning member 120 , the fan blades 130 and the blades 124 are installed outside the annular rotating cleaning member 120 . At this time, the working space of the wheel 152 is independent from the working space of the fan blades 130 and the blades 124 and does not affect each other, so that the cleaning working space outside the annular rotating cleaning member 120 is maximized.

In the air-guided clearing device 100 , the annular knife holder 122 of the annular rotating clearing member 120 can also have a stopper 125 extending from the inner ring 126 of the annular knife holder 122 to the bottom or the bottom of the annular knife holder 122 . When the blades 124 and the fan blades 130 are mounted on the bottom or the bottom of the ring blade holder 122 At this time, the limiting member 125 can limit the attachment and rotation of the blades 124 and the fan blades 130 . When the ring-shaped rotating cleaning part 120 rotates, it rotates at a high speed, and the limiting part 125 can limit the binding degree of the free swing of the cutter part 124 and the fan blade 130 when rotating at a high speed, so as to prevent the cutter part 124 and/or the fan blade 130 from being thrown to the annular cutter holder 122 Hazardous events occur below the hollow area. In one embodiment, the limiting member 125 can be a limiting flange.

The ring-shaped rotary cleaning part 120 can also include a plurality of positioning devices 127, which are arranged on one side of the inner ring 126 of the annular knife rest 122 and cooperate with the inner ring 126 of the annular knife rest 122. By adjusting these positioning devices 127, the annular knife rest 122 can Smooth and steady rotation in the same plane. The positioning devices 127 preferably fit with the inner ring 126 of the ring tool holder 122 with a clearance. Now, when these positioning devices 127 are adjusted, the annular knife rest 122 can be positioned at the same plane to rotate smoothly and steadily, and the space between the annular knife rest 122 and the positioning device 127 will not be damaged because of being too close to each other when the annular knife rest 122 rotates. produce wear and tear.

The plurality of positioning devices 127 respectively have a gear plate 1272 and a rotating shaft 1274 . These gear plates 1272 can be connected and interlocked by a chain 1276 , and a plurality of positioning devices 127 can rotate around their corresponding rotating shafts 1274 respectively. In the illustrated example, the chain 1276 can be a closed-loop chain, and the toothed outer periphery of the gear plate 1272 of each positioning device 127 is partially engaged with the inner side of the chain 1276 for linkage. When the ring-shaped rotating clearing member 120 rotates at a high speed driven by the rotating cover 174 , the gear plates 1272 rotate around their corresponding rotating shafts 1274 accordingly. Such setting can prevent the circular rotating cleaning part 120 from being offset when it rotates at high speed in the same plane, and ensure the stability of the circular rotating cleaning part 120 when rotating, thereby ensuring the smoothness of cutting or cutting when the circular rotating cleaning part 120 cuts off the blade of grass .

Furthermore, the annular knife rest 122 of the annular rotary cleaning part 120 is located in the same plane When rotating smoothly and stably, the flow velocity and flow rate of the airflow generated when the fan blade 130 is set on it can be kept stable. When grass clippings, cut grass blades, etc. are exported and collected to the grass collecting device 140 and the fallen grass is pulled to the airflow channel 110 for cutting, the stability of the overall operation of the air conduction cleaning device 100 can be ensured.

As mentioned above, when the annular rotating cleaning member 120 in the air-conducting cleaning device 100 is used as a ring cutter, it can cooperate with the fan blade 130 to function. At this time, during the operation of the air-guided clearing device 100, the circular rotating clearing member 120 can not only trim and cut off the blades of grass in the lawn, but also the airflow generated when the fan blade 130 rotates and the joint of the airflow channel 110 Under the action, the cut grass blades can be collected and cleaned by the grass collecting device 140 to remove the grass blades.

Please refer to FIG. 6 to FIG. 9 in conjunction with FIG. 1. FIG. 6 is an overall schematic view of another embodiment of the air-conducting clearing device after removing the grass collecting device in the present invention. FIG. 7 is the interior of the air-conducting clearing device shown in FIG. 6 Structural schematic diagram, Fig. 8 is a three-dimensional schematic diagram of the circular rotating cleaning part of the air-guided cleaning device shown in Fig. 6, and Fig. 9 is an overall schematic diagram of the ring rotating cleaning part shown in Fig. 8 after being assembled. In one embodiment, the circular rotating clearing member 120 can be used as a sweeping plate for cleaning cut grass blades. At this time, a plurality of brushes 190 may be coupled to the circular rotating cleaning member 120 for cleaning the cut grass blades or combing the grass blades overwhelmed by the air conduction type cleaning device.

Please combine and compare Figures 2 to 4, and refer to Figures 6 to 8. When the circular rotating clearing member 120 can be used as a sweeping plate, a plurality of brushes 190 can be coupled thereon for cleaning the cut grass blades or combing the grass blades overwhelmed by the air conduction type clearing device 100 . The brushes 190 can be equidistantly arranged on the ring tool holder 122 through the mounting positions 123 . However, it is not limited thereto. According to the different conditions of the pasture to be trimmed, the brushes 190 in the air-conducting cleaning device 100 can be arranged in an annular shape at unequal intervals. On the knife rest 122 to achieve the expected function and effect.

In the illustrated example, the brushes 190 and the fan blades 130 are equidistantly installed on the bottom or bottom of the ring tool holder 122 through the attachment positions 123, and are attached and rotated by the limiting member 125. position, to prevent the brushes 190 and/or the fan blades 130 from falling below the hollow area of the annular tool holder 122 when rotating at a high speed, thereby causing dangerous events. The brush 190 may be a long-handled brush, including a handle 192 and bristles 194 disposed on the handle 192 . The brush handle 192 is a rectangular strip-shaped thin plate, one end of which is disposed under or at the bottom of the ring knife holder 122 through the attachment position 123 , and a sufficient number of bristles 194 are installed at the other end. The bristles 194 are located on one side of the handle 192 of the rectangular thin plate, and are arranged vertically downward. The bristles 194 are elongated. In other words, the airflow channel 110 and the bristles 194 of the brush 190 are disposed opposite to each other. The material of the bristles 194 can be animal hair, plastic wire, various types of metal wire, nylon wire and the like. In the figure, the brush 190 is generally a hair brush, but it can also be a wire brush depending on the usage scenario.

To further illustrate, when the circular rotating cleaning member 120 is used for cleaning the disk, the circular rotating cleaning member 120 rotates at a high speed and drives the brushes 190 and the fan blades 130 installed thereon to rotate at a high speed. The vortex airflow generated when these fan blades 130 rotate can fluff up the grass blades after cutting or the grass blades that are overwhelmed by the air conduction type clearing device 100. The blades of grass are combed to clean cut blades of grass from among the blades of grass. Then, driven by the vortex airflow generated by the fan blades 130 , the brushes 190 can sweep the cut grass blades to the airflow channel 110 and gather them to the grass collecting device 140 . Or, driven by the vortex airflow produced by the fan blades 130, the brushes 190 can send the cut grass blades to the outside of the air-conducting type clearing device 100 through the gap between the air-conducting type clearing device 100 and the lawn. Clean up, collect and clean up.

Please combine and compare Figure 4 and Figure 5, and refer to Figure 9. In a specific implementation, A plurality of cutters 124 , a plurality of fan blades 130 and a plurality of brushes 190 can be installed or coupled to the annular knife holder 122 of the annular rotating cleaning member 120 at the same time. The number of the blades 124 , fan blades 130 and brushes 190 may be unequal, and may be arranged at equal intervals, and can be quickly attached and disassembled through the attachment position 123 and the ring-shaped rotating cleaning member 120 . In one example, one side of the fan blade 130 has a blade, which also functions as the blade 124 . Now, when the air conduction type clearing device 100 is in operation, the circular rotating clearing part 120 can cut off the overlong blades of grass in the lawn through these blades 124, and can pass through these fan blades 130 and these blades. The brush 190 quickly and effectively collects and cleans the cut blades of grass. It can be understood that the collocation of the cutters 124, the fan blades 130 and the brushes 190 in the air-conducting cleaning device 100 can be arbitrarily matched according to the needs, so as to realize multiple functions of one machine and save cost, and the cutters 124 , The fan blades 130 and the brushes 190 can be quickly assembled and disassembled, which is convenient for storage and transportation.

Therefore, utilizing an air conduction type clearing device provided by the present invention, through the fan blades and the air flow channels provided thereon, the air flow generated by the fan blades will pull the cut grass blades or the fallen grass body to the air flow channel, thus, During the operation of the air conduction cleaning device, the cut grass blades and the generated grass ash can be collected immediately, quickly and efficiently, so as to improve its working efficiency and service life.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be described more clearly, and the scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, the intention is to cover various changes and equivalent arrangements within the scope of the patent application for the present invention.

100: Air conduction cleaning device

110: Airflow channel

120: circular rotation clearing part

130: fan blade

140: Grass collection device

142: sieve hole

150: Chassis

152: wheel

160: power unit

170: Transmission structure

172: shaft sleeve

174: rotating cover

180: shell

Claims (10)

An air conduction type removal device has an air flow passage, and the air conduction type removal device comprises: an annular rotating clearer; and A plurality of fan blades are coupled with the annular rotating clearing member, and when the annular rotating clearing member rotates, the airflow generated by the fan blades guides the airflow channel. The air-conducting clearing device according to claim 1, further comprising a grass collecting device, which is arranged on the outside of the air-conducting clearing device and connected to the outlet of the air passage. The air-conducting cleaning device as described in claim 1, wherein the airflow channel is arranged upward in the vertical direction. The air-conducting clearing device as described in Claim 1, wherein the circular rotating clearing part further includes a transmission structure, which is fixedly connected with the circular rotating clearing part, and when the transmission structure rotates, it will drive the circular rotating clearing part to rotate; The air-conducted cleaning device further includes: A chassis, equipped with a plurality of wheels, and an upright shaft, on which the transmission structure is installed; a power device, arranged on the chassis, coupled with the transmission structure, and drives the transmission structure to rotate relative to the chassis; and A casing covers the transmission structure and is fixed on the upper part of the shaft provided on the chassis, wherein the air flow channel is formed between the casing and the transmission structure. The air-conducting cleaning device as described in Claim 4, wherein the transmission structure further includes: a shaft sleeve, sleeved on the shaft rod on the chassis, coupled with the power device, driven by the power device to rotate around the shaft rod; and A rotating cover, fixedly connected to the shaft sleeve, and set on the chassis, the rotating cover is fixedly connected with the ring-shaped rotary cleaning part, rotated by the rotation of the shaft sleeve, and drives the ring-shaped rotary cleaning part to rotate to cut off The blade of grass, wherein the air flow channel is formed between the shell and the rotating cover. The air-conducting clearing device according to claim 5, wherein the airflow passage covers between the casing and the rotating cover, and is an annular passage. The air-guided clearing device according to claim 1, wherein the fan blade has a blade and can be used as a knife. The air-conducting clearing device as described in Claim 1, wherein the annular rotating clearing member can be used as an annular cutter, at least comprising: An annular tool holder, which is an annular hollow structure; and At least one knife piece extends outward from the annular knife frame, wherein the knife piece can cut grass blades when the circular knife frame rotates. The air-conducting clearing device as described in claim 8, wherein the annular rotating clearing member further includes a plurality of positioning devices arranged on the annular knife One side of the inner ring of the frame and cooperate with the inner ring of the annular knife rest, adjust these positioning devices to make the annular knife rest rotate in the same plane. The air-conducting cleaning device as described in claim 1, wherein the circular rotating cleaning member can be used as a sweeping plate and is coupled with a plurality of brushes.

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