CN215011673U - Grass collecting device and mower - Google Patents

Abstract

The utility model discloses a grass collecting device and lawn mower, grass collecting device includes: the opening is connected with a grass outlet of the mower; the first side surface is positioned in the grass discharging direction of the mower and is provided with first meshes; the second side surface is arranged opposite to the first side surface, and second meshes are arranged on the second side surface; wherein the pore size of the first mesh is smaller than the pore size of the second mesh. Through this grass collecting device, can improve grass collecting efficiency.

Description

Grass collecting device and mower

Technical Field

The utility model belongs to the technical field of garden instrument, in particular to grass collecting device and lawn mower.

Background

When the hand-push type mower collects grass, the grass collecting device is arranged on the mower, and the cut weeds are thrown to the grass collecting device by the blades. When leaves, grass clippings, weeds, etc. are added to the grass collector, the clippings, along with the air, occupy the volume of the grass collector. If the debris is loose or not tight enough, the air will occupy more of the volume of the grass catcher, and in order to load more debris into the grass catcher, the air must be kept as low as possible in the grass catcher. It is therefore necessary to ensure that the grass-collecting device is air-permeable, and that the air pressure causes the debris to be compacted when the debris is blown into the grass-collecting device.

When the air permeability of the grass collecting device is poor, the air exhaust is not smooth, weeds are difficult to collect in the grass collecting device and can be brought back to the ground by the convoluted airflow, the cleaning effect cannot be achieved, and when meshes are small, in order to achieve better grass collecting performance of the grass collecting device, the blade needs to have larger suction force, the angle of the blade is generally overturned to be larger, larger air volume is generated, more energy consumption is consumed, and particularly, the running time of the grass collecting device is reduced for a grass cutter adopting a battery as an energy source; simultaneously for the gas permeability that increases grass-collecting device, the mesh that will collect grass device sets up is great, but when grass-collecting device's mesh was great, foreign matters such as grass bits and stones in the grass-collecting device were thrown away through the mesh, influenced the operation environment, may injure operating personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grass collecting device and lawn mower, through the utility model provides a when the gas permeability is improved to grass collecting device, the efficiency of grass collection is improved.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model provides a pair of grass collecting device, it includes:

the opening is connected with a grass outlet of the mower;

the first side surface is positioned in the grass discharging direction of the mower and is provided with first meshes;

the second side surface is arranged opposite to the first side surface, and second meshes are arranged on the second side surface;

wherein the pore size of the first mesh is smaller than the pore size of the second mesh.

In an embodiment of the present invention, the grass collecting device includes:

the bottom surface is positioned on one side of the mower close to the ground;

a top surface on a side opposite the bottom surface;

a third side disposed opposite the opening.

In an embodiment of the present invention, the aperture range of the first mesh is 0-1 mm, and the aperture range of the second mesh is 0.5-3 mm.

In an embodiment of the present invention, the end of the first side close to the lawn mower is a front end, and the end far away from the lawn mower is a rear end, and the aperture of the first mesh is gradually increased from the front end to the rear end.

In an embodiment of the present invention, the first mesh of the first side upper half is larger than the first mesh of the first side lower half.

In an embodiment of the present invention, the apertures of the meshes on the bottom surface, the top surface and the third side surface are the same.

In an embodiment of the present invention, the apertures of the meshes on the bottom surface, the top surface and the third side surface are smaller than the aperture of the first mesh.

In an embodiment of the present invention, the bottom surface is not provided with meshes.

In an embodiment of the invention, the top surface and the third side surface are not provided with meshes.

In an embodiment of the present invention, a plurality of convex portions are provided on the mesh, and the convex portions extend from the edge of the mesh to the center of the mesh.

The utility model also provides a lawn mower, it includes:

a working assembly;

the power assembly is used for providing power for the working assembly;

an energy assembly to provide energy to the power assembly;

grass-collecting device, it includes:

the opening is connected with a grass outlet of the mower;

the first side surface is positioned in the grass discharging direction of the mower and is provided with first meshes;

the second side surface is arranged opposite to the first side surface, and second meshes are arranged on the second side surface;

wherein the pore size of the first mesh is smaller than the pore size of the second mesh.

In an embodiment of the present invention, the energy assembly is a lithium battery.

In an embodiment of the invention, the height of the convex portion is smaller than the width of the convex portion.

As mentioned above, the grass collecting device and the grass cutter of the utility model ensure that foreign matters and grass clippings are not thrown out by arranging the first mesh with smaller aperture on the first side surface; the second side surface and the third side surface are provided with second meshes with larger apertures, so that the grass collecting efficiency of the grass collecting device is improved; by arranging the first mesh with smaller aperture on the top surface, the operating environment and safety of the operator are ensured. The utility model provides a pair of grass collecting device, according to the position that every face of grass collecting device is different, set up the different mesh in aperture on every face respectively, when not increasing the energy consumption, increase grass collecting device's collection grass efficiency guarantees operator's safety and operational environment simultaneously.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a lawn mower.

Fig. 2 is a bottom view of a lawnmower.

Fig. 3 is a three-dimensional structure view of a grass catcher.

Fig. 4 is a perspective view of the grass catcher at another angle.

FIG. 5 is a view showing the structure of the grass catcher with the third side surface being an arc surface.

Fig. 6 is an exploded view of a grass catcher.

Fig. 7 is a structural view of a keel frame.

FIG. 8 is a diagram of a mesh shape.

FIG. 9 is a view of another mesh configuration.

Description of reference numerals: 100 grass collecting device; 101 a first side; 102 a second side; 103 a third side; 104 a top surface; 105 a bottom surface; 106 opening; 107 keel frame; 108 grass collecting bags; 108a connecting part; 109 a convex portion; 110 concave parts; 111 hook; 112 a first support; 113 a second support; 114 a lifting portion; 200 a lawn mower; 201 a channel; 202 blades; 203 a push rod; 204 a main body; 205 an energy component; the width of the W convex part; h height of the convex portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the lawn mower 200 of the present invention includes a main body 204, a push rod 203 extending backward from the rear of the main body 204, an energy assembly 205 installed on the main body 204, a grass collector 100 installed behind the main body 204 for collecting grass blades, a power assembly (not shown) installed in the main body 204 and connected to the energy assembly 205, and a working assembly installed at the bottom of the lawn mower 200 and connected to the power assembly. Wherein, the power component is, for example, a motor, which is disposed in the main body 204, for example, below the energy component 205, and the energy component is electrically connected to the motor to provide energy for the rotation of the motor; the working components include, for example, blades 202; a blade 202 is provided at the bottom of the mower 200, the blade 202 being connected to the output shaft of the motor. When the mower 200 is used for mowing, the motor drives the blade 202 to rotate and cut grass on a lawn, a concave channel 201 is arranged on the bottom wall of the mower 200, and cut grass clippings move along the channel 201. A grass outlet (not shown) is arranged on one side of the operating end of the mower 200 and is connected with the channel 201; the cut grass clippings are thrown out of the grass outlet of the mower 200 through the passageway in the direction of rotation of the blade 202. To collect the cut grass clippings, a grass collector 100 is connected to the grass outlet of the mower 200 for collecting the cut grass clippings. In order to improve the efficiency of grass collection, the blade angle of the blade 202 is made larger in the prior art, so that the wind power is larger, but more energy is consumed, and the endurance time of the whole mower is shortened. The utility model provides a grass collecting device, which is made of at least two materials with different air tightness, and is provided with smaller meshes in the grass discharging direction of the mower 200, so that the grass collecting device 100 has higher safety; set up great mesh in the one side relative with lawn mower 200 play grass direction, make collection grass device 100 ventilative unobstructed, and then make the grass bits can be high-efficient must be collected into collection grass device, under the condition that does not increase energy consumption, improve collection grass device 100's collection grass efficiency.

Referring to fig. 3, in an embodiment of the present invention, the grass-collecting device 100 is a box structure having an opening 106. The opening 106 is a feed inlet of the grass collecting device 100, when the grass collecting device 100 is used, the opening 106 is connected with a grass outlet of the mower 200, and grass clippings thrown by the blade 202 enter the grass collecting device 100 through the opening 106.

Referring to fig. 3 to 4, the grass-collecting device 100 of the lawn mower 200 includes a top surface 104, a bottom surface 105 and a plurality of side surfaces, wherein the top surface 104, the bottom surface 105 and the plurality of side surfaces form a containing cavity with an opening. Specifically, the bottom surface 105 is located on the side of the grass-collecting device close to the ground. The top surface 104 is located on the side opposite the bottom surface 105, i.e. the side opposite the bottom wall of the lawn mower 200.

Referring to fig. 3 to 4, in the present embodiment, the side surfaces of the grass-collecting device 100 of the lawn mower include a first side surface 101, a second side surface 102 and a third side surface 103. The first side 101 is located in the grass discharging direction of the mower 200, i.e. on the rotation tangent line of the blade 202 at the grass outlet position; when the grass clippings sequentially pass through the grass outlet of the mower 200 and the opening 106 of the mower grass-collecting device 100 to reach the inside of the mower grass-collecting device 100, the grass clippings are thrown into the mower grass-collecting device 100 along the rotation tangent line of the blade 202, i.e., towards the first side surface 101. The first side surface 101 is also provided with meshes, and the meshes on the first side surface are first meshes, the aperture range of the first meshes is, for example, 0-1 mm, and further, the aperture of the first meshes is preferably, for example, 0.5 mm. The utility model does not limit the shape of the first mesh, and when the first mesh is square or rectangular, the side length range is 0-1 mm, for example; when the first mesh is circular, the diameter thereof ranges, for example, from 0 to 1 mm. Since the first mesh openings have small apertures, foreign matters and grass clippings are prevented from being thrown out through the first side surface 101 by the wind force of the rotation of the blade 202.

Referring to fig. 3 to 4, in the present embodiment, the second side surface 102 is disposed opposite to the first side surface 101, and is located opposite to the grass discharging direction of the lawn mower 200. The second side 102 is provided with second meshes, the second meshes are meshes with larger apertures, the aperture range of the second meshes is, for example, 0.5 to 3mm, and further, the aperture of the second meshes is preferably, for example, 2 mm. The utility model does not limit the shape of the mesh, when the second mesh is square or rectangular, the side length range is 0.5-3 mm; when the second mesh is circular, the diameter thereof is, for example, in the range of 0.5 to 3 mm. The third side 103 is opposite to the opening 106, two sides of the third side 103 are respectively connected with the first side 101 and the second side 102, the meshes arranged on the third side 103 are third meshes, and in this embodiment, the third meshes and the second meshes are arranged in the same aperture. The second meshes of the second side surface 102 and the third meshes of the third side surface 103 are meshes with larger apertures, so that the air permeability of the grass collecting device 100 of the mower can be increased. After the grass scraps are thrown into the grass collecting device 100 of the mower, the air in the grass collecting device 100 of the mower can be quickly discharged, so that the grass collecting efficiency is improved; moreover, when the air permeability of the grass catcher 100 is good, the whirlwind is not formed inside the grass catcher 100, and the grass clippings collected in the grass catcher 100 are prevented from being brought back to the grass outlet of the mower 200. It should be noted that the first side 101 and the second side 102 are determined according to the direction of the grass outlet of the lawn mower, that is, the first side 101 is the surface that the grass clippings firstly contact after being discharged from the grass outlet. In a preferred embodiment, the first side 101 is located on the right side of the mower.

Further, an end of the first side 101 close to the lawn mower 200 is defined as a front end, an end far from the lawn mower 200 is defined as a rear end, and the aperture of the first net hole on the first side 101 gradually increases from the front end to the rear end. Because the speed of the grass clippings is gradually reduced after the grass clippings are discharged from the grass outlet. Therefore, a relatively small aperture can be arranged at one end close to the mower, so that the grass scraps can fly to the rear of the grass collecting device.

Further, the first mesh openings of the first side 101 have larger apertures in the upper half of the first side 101 than in the lower half of the first side 101. Because the air resistance that the stone received is little for the grass bits, the descending speed of stone is faster, therefore when the piece was thrown out, the piece that the stone isopycnic density is higher is located below mostly, sets up the first mesh that the aperture is less in the latter half of first side 101, can protect operator's safety.

Referring to fig. 3 to 4, in another embodiment of the present invention, the bottom surface 105, the top surface 104 and the third side surface 103 have the same air permeability, that is, the mesh holes on the bottom surface 105, the mesh holes on the top surface 105 and the mesh holes on the third side surface 103 have the same aperture, and are all set as third mesh holes, and the aperture of the third mesh holes is smaller than that of the first mesh holes on the first side surface 101. When the blade 202 hits foreign objects such as wooden nails or stones, such foreign objects may be thrown out of the mower grass-collecting device 100 through the mesh openings on the top surface 104 or the third side surface when the mesh openings on the top surface 104 or the third side surface are large, the operator is generally positioned behind or above the grass-collecting device, and the small mesh openings on the top surface 104 and the third side surface can prevent the foreign objects and grass clippings from blowing toward the operator.

Referring to fig. 3 to 4, in another embodiment of the present invention, the bottom surface 105 is not provided with meshes. The bottom surface 105 may be, for example, a flat plate made of a hard material to prevent foreign materials and grass clippings in the grass catcher 100 from leaking out. A plurality of meshes are arranged on the top surface 104, the meshes on the top surface 104 are top surface meshes, and the top surface meshes are meshes with small apertures. The aperture range of the top surface mesh is, for example, 0 to 1mm, and further, the aperture of the top surface mesh is, for example, 0.5 mm. The utility model does not limit the shape of the mesh, when the mesh on the top surface is square or rectangular, the side length range is 0-1 mm, for example; when the mesh on the top surface is circular, the diameter of the mesh is, for example, in the range of 0 to 1 mm. The top surface mesh on the top surface 104 is set to be mesh with a smaller aperture, so that the safety and the dust resistance of the grass-collecting device 100 of the mower can be improved. When the blade 202 strikes a foreign object such as a wooden nail or a stone, which is thrown out of the mower grass collecting device 100 through the mesh opening of the top surface 104 when the mesh opening of the top surface 104 is large, the operator may be injured; and a large amount of grass clippings are blown through the mesh openings in the top surface 104 toward the operator. The mesh with smaller aperture is arranged on the top surface 104, so that foreign matters and grass clippings can be prevented from blowing to the operator. Meanwhile, the bottom surface 105 is not provided with meshes, so that dust is prevented from being scattered from the bottom surface 105 of the grass collecting device.

Referring to fig. 3 to 4, in another embodiment of the present application, the bottom surface 105, the top surface 104 and the third side surface 103 are all airtight, i.e. the apertures of the bottom surface mesh, the top surface mesh and the third side surface mesh are 0. The air can only escape from the first side 101 and the second side 102 of the grass-catchment arrangement.

Referring to fig. 4, in an embodiment of the present invention, the opening 106 is located at one side of the grass collecting device 100, and the opening 106 is allowed to cover the grass outlet of the mower 200 to prevent grass clippings from splashing outside the grass collecting device 100. The present invention is not limited to the shape, size, and specific location of the opening 106. In this embodiment, the opening 106 is disposed on a side opposite to the third side surface 103, and a concave portion 110 is further disposed on a side of the top surface 104 close to the opening 106. When the grass catcher 100 is attached to the mower 200, the opening 106 is aligned with the grass outlet of the mower 200. Above the opening of the mower 200, a cover is installed to cover the grass outlet, and when the mower grass collecting device 100 is connected, the cover is opened and covers the recess 110.

Referring to fig. 3, in an embodiment of the present invention, hooks 111 are disposed on two sides of the opening 106. One end of the hook 111 is fixedly connected to the first side surface 101 and the second side surface 102, the other end extends towards the vertical direction of the mounting surface, the hanging end of the hook 111 extends out of the first side surface 101 and the second side surface 102, and the hooks 111 on the first side surface 101 and the second side surface 102 are symmetrically arranged. When the grass collecting device 100 of the mower needs to be installed, the hooks 111 are hung on two sides of a grass outlet of the mower 200, so that the connection between the grass collecting device 100 of the mower and the mower 200 is simply and conveniently realized.

Referring to fig. 3 to 5, the present invention is not limited to the shape of the grass collecting device 100, and in the present embodiment, the grass collecting device 100 is rectangular. In another embodiment, the third sidewall 103 is cambered. In other embodiments, the grass-catchment device 100 is also arranged in a pyramid shape, i.e. without the third side wall 103.

Referring to fig. 5, in particular, in another embodiment, the third side surface 103 is a cambered surface, and in particular, the third side surface 103 is disposed in a semicircular shape, for example. The top surface 104 and the bottom surface 105 are connected to the third side surface 103, a side of the top surface 104 connected to the third side surface 103 is set to be semicircular, and a side of the bottom surface 105 connected to the third side surface 103 is set to be semicircular.

Referring to fig. 6 to 7, in an embodiment of the present invention, the grass collecting device 100 includes a keel frame 107 and a grass collecting bag 108, the grass collecting bag 108 is sleeved on the keel frame 107, the keel frame 107 is made of a metal material, and a supporting structure of the grass collecting device 100 is formed; the grass-collecting bag 108 is a woven rigid cloth bag that forms the top surface 104, the bottom surface 105, and a plurality of side surfaces of the grass-collecting device 100. At this time, the meshes of the grass catcher 100 are woven gaps, and the meshes are regular squares or rectangles.

Referring to fig. 6 to 7, in an embodiment of the present invention, the keel frame 107 includes a first bracket 112 and a second bracket 113, the first bracket 112 is U-shaped and has a size corresponding to the size of the top surface 104 for providing a support for the grass-collecting bag 108. In another embodiment of the present invention, when the third side 103 is a curved surface, the bottom of the first support 112 is adapted to be shaped. The second bracket 113 is in a U-shaped arrangement with two ends bent to one side, two ends of the second bracket 113 are connected with two ends of the first bracket 112, the opening of the grass collecting bag 108 is sleeved on the second bracket 113, the U-shaped bottom of the second bracket 113 forms an opening 106, and two ends of the second bracket 113 are connected with the lifting part 114 to form a concave part 110.

Referring to fig. 7, further, at least one hook 111 is disposed on the second support 113, a holding portion 114 is disposed at a portion where the first support 113 is connected to the second support 114, two ends of the holding portion 114 are connected to a connection point of the first support 113 and the second support 114, and a middle portion of the holding portion extends obliquely upward from the first support 114.

Referring to fig. 3 to 7, in an embodiment of the present invention, the grass-collecting bag 108 is sleeved on the keel frame 107 to form a first side surface 101, a second side surface 102, a third side surface 103, a top surface 104 and a bottom surface 105 of the grass-collecting device 100. A plurality of connecting parts 108a are arranged at the opening of the grass collecting bag 108, namely, at the position sleeved with the second bracket 113, after the grass collecting bag 108 is sleeved on the keel frame 107, the connecting parts 108a cover the second bracket 113 to form an opening 106, which is convenient for being connected with the grass outlet of the mower 200.

Referring to fig. 3 to 5 and 8 to 9, in another embodiment of the present invention, the grass-collecting device 100 is made of hard material, such as plastic. In this case, the grass catcher 100 may be integrally formed during manufacturing, or may be formed by joining hard materials. In this case, the shape of the mesh on the grass catcher 100 is arbitrary, and the mesh has a rectangular shape, a circular shape, a triangular shape, a polygonal shape, or the like, for example. The mesh is also provided with a plurality of protrusions 109, the protrusions 109 are arranged at the edges of the mesh, and the protrusions 109 extend from the edges of the mesh to the center of the mesh. And the height H of the convex part 109 is smaller than the width W of the convex part 109, so that the firmness of the convex part 109 is ensured, and the convex part 109 can prevent foreign matters and grass clippings in the grass collecting device 100 from being thrown out of the meshes. The present invention does not limit the shape of the convex portion 109, and in the present embodiment, the convex portion 109 is arc-shaped. In another embodiment, the protrusion 109 may have other shapes such as trapezoid, triangle, polygon, etc.

As described above, according to the utility model provides a grass collecting device 100, the mesh that will be located on the first side 101 of the grass-discharging direction of lawn mower 200 sets up to the first mesh that the aperture is less, guarantees that foreign matter and grass bits are not thrown out, sets up the mesh that will be located on the second side 102 that first side 101 is relative to the mesh that the aperture is great, improves grass collecting device 100's grass collecting efficiency. According to the position of each surface of the grass collecting device 100, the meshes with different apertures are respectively arranged on each surface, so that the grass collecting efficiency of the grass collecting device 100 is increased while energy consumption is not increased, foreign matters and grass clippings in the grass collecting device 100 are prevented from being thrown out, and the safety and the operating environment of an operator are ensured.

In the description of the present specification, reference to the description of the terms "present embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiment of the present invention disclosed above is only used to help illustrate the present invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (12)

1. A grass-collecting device, characterized in that it comprises:

the opening is connected with a grass outlet of the mower;

the first side surface is positioned in the grass discharging direction of the mower and is provided with first meshes;

the second side surface is arranged opposite to the first side surface, and second meshes are arranged on the second side surface;

wherein the pore size of the first mesh is smaller than the pore size of the second mesh.

2. The grass collecting device as claimed in claim 1, characterized in that it comprises:

the bottom surface is positioned on one side of the mower close to the ground;

a top surface on a side opposite the bottom surface;

a third side disposed opposite the opening.

3. A grass-collecting device according to claim 1, characterized in that the aperture of said first net is in the range of 0-1 mm and the aperture of said second net is in the range of 0.5-3 mm.

4. The grass-collecting device as claimed in claim 1, wherein the end of the first side face close to the mower is a front end, the end far from the mower is a rear end, and the aperture of the first net hole is gradually increased from the front end to the rear end.

5. The grass-harvesting apparatus according to claim 1, wherein the first mesh openings in the upper half of the first side have a larger pore size than the first mesh openings in the lower half of the first side.

6. The grass-harvesting device according to claim 2, wherein the apertures of the meshes on the bottom surface, the top surface and the third side surface are the same.

7. The grass-harvesting device according to claim 6, wherein the apertures of the meshes on the bottom surface, the top surface and the third side surface are smaller than the aperture of the first mesh.

8. A grass-collecting device according to claim 2, characterized in that said bottom surface is provided with no meshes.

9. A grass-collecting device according to claim 8, characterized in that the top surface and the third side surface are not provided with meshes.

10. A grass-collecting device as claimed in claim 1, characterized in that said net openings are provided with a plurality of protrusions extending from the edges of said net openings towards the centre of said net openings.

11. A lawnmower, characterized in that it comprises:

a working assembly;

the power assembly is used for providing power for the working assembly;

an energy assembly to provide energy to the power assembly;

grass-collecting device, it includes:

the opening is connected with a grass outlet of the mower;

the first side surface is positioned in the grass discharging direction of the mower and is provided with first meshes;

the second side surface is arranged opposite to the first side surface, and second meshes are arranged on the second side surface;

wherein the pore size of the first mesh is smaller than the pore size of the second mesh.

12. The lawnmower of claim 11, wherein the energy component is a lithium battery.

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