CN214102341U - Weeding machine - Google Patents
Weeding machine Download PDFInfo
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- CN214102341U CN214102341U CN202022593747.6U CN202022593747U CN214102341U CN 214102341 U CN214102341 U CN 214102341U CN 202022593747 U CN202022593747 U CN 202022593747U CN 214102341 U CN214102341 U CN 214102341U
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- weeding
- subassembly
- detection piece
- piece
- blocking
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Abstract
The utility model belongs to the technical field of weeding equipment, concretely relates to weeder. The weeding machine comprises: a support assembly; a blocking assembly connected to the support assembly for blocking the hard object from contacting the weeding assembly; the weeding subassembly, the weeding subassembly with the supporting component is connected, block the subassembly with the weeding subassembly is followed the front end to the rear end of supporting component arrange in proper order, the weeding subassembly is used for weeding. According to the utility model discloses a weeder blocks the subassembly through the front end setting at the weeding subassembly, makes and blocks that the subassembly blocks when meetting hard objects such as stone and stop its and weeding subassembly contact to prevent hard objects such as stone and the cutter contact of weeding subassembly, prevent that hard object from causing the damage to the cutter, also can prevent that the cutter from blocking, avoid driving cutter's motor impaired.
Description
Technical Field
The utility model belongs to the technical field of weeding equipment, concretely relates to weeder.
Background
In the field, a large amount of weeds usually grow, and the presence of the weeds affects the growth of the planted plants, so that the weeds in the field need to be removed to ensure the normal growth of the planted plants.
Most of the existing weeders are provided with a weeding cutter at the front end of the weeder, and the cutter cuts off weeds by driving the weeder to move forwards. And the meadow in farmland contains stone or other hard objects usually, and the cutter can direct contact hard objects such as stone when weeder moves forward, very easily damages the blade after blade and the contact of stone, and the condition that the blade is blocked and then lead to the motor impaired can take place to even.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the cutter of the prior weeding machine is easy to damage at least. The purpose is realized by the following technical scheme:
the utility model provides a weeder, weeder includes:
a support assembly;
a blocking assembly connected to the support assembly for blocking the hard object from contacting the weeding assembly;
the weeding subassembly, the weeding subassembly with the supporting component is connected, block the subassembly with the weeding subassembly is followed the front end to the rear end of supporting component arrange in proper order, the weeding subassembly is used for weeding.
According to the utility model discloses weeder blocks the subassembly through the front end setting at the weeding subassembly, makes and blocks its and weeding subassembly contact when the subassembly meets hard objects such as stone to prevent hard objects such as stone and the cutter contact of weeding subassembly, prevent that hard objects from causing the damage to the cutter, also can prevent that the cutter from blocking, avoid driving the motor of cutter impaired.
In addition, according to the utility model discloses weeder, can also have following technical characterstic:
in some embodiments of the present invention, the blocking assembly comprises:
the detection piece is internally provided with a first cavity and can be switched between an original state and a compressed state, when the detection piece is in contact with an object with hardness smaller than that of the detection piece, the detection piece is in the original state, and when the detection piece is in contact with an object with hardness larger than or equal to that of the detection piece, the detection piece is in the compressed state;
the barrier is internally provided with a second cavity, when the detection piece is in an original state, the barrier is kept in an initial state, and when the detection piece is in a compressed state, the barrier is in an extended state;
the connecting piece, the connecting piece with the supporting component is connected, it passes through to hinder the piece the connecting piece with detect the piece intercommunication.
In some embodiments of the present invention, the detecting member includes:
a support part connected with the connection part;
the compressible portion is connected with the supporting portion, the compressible portion and the supporting portion form the first cavity, when the compressible portion contacts with an object with hardness less than that of the compressible portion, the compressible portion is in a convex shape along a direction deviating from the supporting portion, and when the compressible portion contacts with the object with hardness greater than or equal to that of the compressible portion, the compressible portion is in a concave shape along a direction facing the supporting portion.
In some embodiments of the present invention, the blocking member comprises:
the guide part is connected with the connecting piece;
the extensible part is sleeved on the extensible part, the extensible part and the extensible part form the second cavity, when the detection piece is in an original state, the extensible part is contained in the guide part, and when the detection piece is in a compressed state, the extensible part extends out of the guide part.
In some embodiments of the present invention, the blocking member further includes an elastic portion, the elastic portion is sleeved on the extendable portion, and the elastic portion is located between the guiding portion and the extendable portion.
In some embodiments of the present invention, a check valve is disposed on the connecting member or the blocking member.
In some embodiments of the present invention, the detecting member is provided with a first air inlet valve, the connecting member is provided with a second air inlet valve, and the second air inlet valve is located behind the check valve along the air flow direction;
or the detection piece is provided with a first air inlet valve, the blocking piece is provided with a second air inlet valve, and the second air inlet valve is located behind the one-way valve along the air flow direction.
In some embodiments of the present invention, the weeding assembly comprises:
a motor disposed on the support assembly;
the motor is in driving connection with the first gear;
the first gear is in meshed transmission with the second gear;
and the cutter is connected with the second gear through a connecting shaft.
In some embodiments of the present invention, the weeding machine further comprises a walking wheel connected to the bottom end of the supporting component.
In some embodiments of the present invention, the blocking component and the weeding component are a plurality of, and a plurality of, the blocking component and the weeding component are arranged in a one-to-one correspondence.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 is a schematic view of an overall structure of a weeding machine according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of the barrier assembly shown in FIG. 1 (with the sensing member in an initial state);
FIG. 3 is a partial cross-sectional view of the barrier assembly shown in FIG. 1 (with the sensing member in a compressed state);
the reference symbols in the drawings denote the following:
100: a weeding machine;
10: support assembly, 11: support frame, 12: a support plate;
20: blocking assembly, 21: detection piece, 211: first cavity, 212: support portion, 213: compressible portion, 22: barrier, 221: second cavity, 222: guide portion, 223: extendable portion, 2231: annular projection, 224: elastic portion, 23: connecting piece, 231: third cavity, 232: bolt, 24: check valve, 25: first intake valve, 26: a second intake valve;
30: weeding assembly, 31: a motor, 32: first gear, 33: second gear, 34: cutter, 35: a connecting shaft;
40: a traveling wheel;
50: and (6) pushing the hand.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, the present invention provides a weeding machine 100, where the weeding machine 100 includes: the weeding device comprises a supporting component 10, a blocking component 20 and a weeding component 30, wherein the blocking component 20 is connected with the supporting component 10, the blocking component 20 is used for blocking hard objects from contacting with the weeding component 30, the weeding component 30 is connected with the supporting component 10, the blocking component 20 and the weeding component 30 are sequentially arranged from the front end to the rear end of the supporting component 10, and the weeding component 30 is used for weeding.
According to the utility model discloses weeder 100 blocks subassembly 20 through the front end setting at weeding subassembly 30, makes and blocks subassembly 20 and block its and weeding subassembly 30 contact when meetting hard objects such as stone to prevent hard objects such as stone and weeding subassembly 30's cutter contact, prevent that hard objects from causing the damage to the cutter, also can prevent that the cutter from blocking, avoid driving cutter's motor impaired.
In some embodiments of the present invention, the barrier assembly 20 includes: detection piece 21, stop piece 22 and connecting piece 23, specifically, be formed with first cavity 211 in detection piece 21, be formed with second cavity 221 in stop piece 22, stop piece 22 passes through connecting piece 23 and communicates with detection piece 21. The connector 23 is connected with the support assembly 10 to fix the blocking assembly 20.
The detecting member 21 can be switched between an original state and a compressed state (as shown in fig. 2 and 3).
When the detecting member 21 is in contact with an object having a hardness less than that of the detecting member 21, the detecting member 21 compresses the object in contact therewith, and the detecting member 21 is in an original state, the gas in the first cavity 211 is retained therein and does not enter the second cavity 221 through the third cavity 231 of the connecting member 23, and thus the blocking member 22 maintains an initial state;
when the detecting member 21 contacts with the object with the hardness greater than or equal to that of the detecting member 21, the detecting member 21 is compressed by the object contacting with the detecting member 21, that is, the detecting member 21 is in a compressed state, the gas in the first cavity 211 enters the second cavity 221 through the third cavity 231, so that the gas in the second cavity 221 causes the blocking member 22 to be in an extended state, and the object with the hardness greater than or equal to that of the detecting member 21 is blocked from contacting with the cutter 34 of the weeding assembly 30. When the blocking member 22 is in the extended state, the height of the bottom end of the blocking member 22 from the ground is smaller than the height of the bottom end of the herbicidal assembly 30 from the ground.
In some embodiments of the present invention, the detecting member 21 includes: a support portion 212 and a compressible portion 213 (e.g. an airbag), in particular, the support portion 212 is connected with the connecting member 23, the compressible portion 213 is connected with the support portion 212, and the compressible portion 213 and the support portion 212 form a first cavity 211. The stopper 22 includes: the guide portion 222 is connected with the connecting member 23, the guide portion 222 is sleeved on the extendable portion 223, and the guide portion 222 and the extendable portion 223 form a second cavity 221.
When the compressible portion 213 is in contact with an object having a hardness less than that of the compressible portion 213, the compressible portion 213 is convex in a direction away from the support portion 212, the compressible portion 213 maintains an initial shape, the gas in the first cavity 211 is retained therein, and the extendable portion 223 is accommodated in the guide portion 222; when the compressible portion 213 contacts an object having hardness greater than or equal to that of the compressible portion 213, the compressible portion 213 is concave in a direction toward the supporting portion 212 to press the gas in the first cavity 211 into the second cavity 221 through the third cavity 231, so that the extendable portion 223 extends out of the guide portion 222. When the extendable portion 223 is in the extended state, the height of the bottom end of the extendable portion 223 from the ground is less than the height of the bottom end of the herbicidal assembly 30 from the ground.
Further, the blocking member 22 further includes an elastic portion (e.g., a spring) 224, the elastic portion 224 is sleeved on the extendable portion 223, and the elastic portion 224 is located between the guiding portion 222 and the extendable portion 223. An annular stopper 2231 is provided at an end of the extendable portion 223 located inside the guide portion 222 to prevent the elastic portion 224 from coming off the extendable portion 223.
In some embodiments of the present invention, the one-way valve 24 is disposed on the connecting member 23 or on the blocking member 22, so that when the compressible portion 213 encounters an object with hardness greater than or equal to that of the first cavity 211, the gas finally enters the second cavity 221 from the first cavity 211 and remains therein, so that the extendable portion 223 remains in an extended state, and after the object with hardness greater than or equal to that of the compressible portion 213 passes through the compressible portion 213, the gas returns from the second cavity 221 to the first cavity 211, so that the extendable portion 223 retracts.
In some embodiments of the present invention, the detecting member 21 is provided with a first air inlet valve 25, and the connecting member 23 is provided with a second air inlet valve 26 and the second air inlet valve 26 is located behind the check valve 24 along the air flow direction. In other embodiments of the present invention, the detecting element 21 is provided with a first air inlet valve 25, and the blocking element 22 is provided with a second air inlet valve 26, and the second air inlet valve 26 is located behind the check valve 24 along the air flow direction. After the stones are cleaned by the operator, the first and second air intake valves 25 and 26 may be opened to allow air to enter the first and second cavities 211 and 221, so that the compressible portion 213 and the retractable portion 223 may be restored to the original state and the initial state, respectively, for the next use.
In some embodiments of the present invention, the weeding assembly 30 includes: the cutting tool comprises a motor 31, a first gear 32, a second gear 33 and a cutting tool 34, wherein the motor 31 is arranged on the supporting assembly 10, the motor 31 is in driving connection with the first gear 32, the first gear 32 is in meshing transmission with the second gear 33 for 4, and the cutting tool 34 is connected with the second gear 33 through a connecting shaft 35. The working process of the weeding assembly 30 is as follows: the motor 31 drives the first gear 32 to rotate through the output shaft, the first gear 32 drives the second gear 33 meshed with the first gear to rotate, the second gear 33 transmits power to the cutter 34 through the connecting shaft 35, so that the cutter 34 rotates, and the cutter 34 cuts weeds in the rotating process.
Further, the weeding machine 100 further includes a walking wheel 40, and the walking wheel 40 is connected to the bottom end of the support assembly 10. The supporting assembly 10 comprises a supporting frame 11 and a supporting plate 12, the supporting plate 12 is internally connected to the supporting frame 11, four supporting columns of the supporting frame 11 are respectively connected with a walking wheel 40, and the movement of the weeding machine 100 is realized through the walking wheels 40. The motor 31, the first gear 32 and the second gear 33 are all arranged on the upper surface of the support plate 12 to play a role in supporting the motor 31, the first gear 32 and the second gear 33, the connecting shaft 35 is arranged through the support plate 12, and the cutter 34 is positioned below the support plate 12. In addition, the connector 23 is detachably coupled to the lower surface of the support plate 12 by means of bolts 232 to facilitate the removal and maintenance of the barrier assembly 20.
In some embodiments of the present invention, the blocking assembly 20 and the weeding assembly 30 are both a plurality of, and the plurality of blocking assemblies 20 and the plurality of weeding assemblies 30 are arranged in a one-to-one correspondence. That is, the protrudable portions 223 are arranged in the same number as the cutters 34 in one-to-one correspondence, and each protrudable portion 223 protects the cutter 34 corresponding thereto.
In some embodiments of the present invention, the weeding machine 100 further includes a pushing handle 50, the pushing handle 50 is connected to the supporting frame 11, and the operator moves the driving supporting assembly 10 through the pushing handle 50, so that the grass-grouping assembly 30 cleans the weeds. In addition, in other embodiments of the present invention, the power device (e.g., tractor) may also be used to drive the movement of the weeding machine 100.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A weeding machine, comprising:
a support assembly;
a blocking assembly connected to the support assembly for blocking a hard object from contacting the weeding assembly;
the weeding subassembly, the weeding subassembly with the supporting component is connected, block the subassembly with the weeding subassembly is followed the front end to the rear end of supporting component arrange in proper order, the weeding subassembly is used for weeding.
2. A weeding machine as claimed in claim 1, wherein the blocking assembly comprises:
the detection piece is provided with a first cavity, the detection piece can be switched between an original state and a compressed state, when the detection piece contacts an object with hardness smaller than that of the detection piece, the detection piece is in the original state, and when the detection piece contacts an object with hardness larger than that of the detection piece or equal to that of the detection piece, the detection piece is in the compressed state;
the barrier is internally provided with a second cavity, when the detection piece is in an original state, the barrier is kept in an initial state, and when the detection piece is in a compressed state, the barrier is in an extended state;
the connecting piece, the connecting piece with the supporting component is connected, it passes through to hinder the piece the connecting piece with detect the piece intercommunication.
3. A weeding machine as claimed in claim 2, wherein the detection member comprises:
a support part connected with the connection part;
the compressible portion is connected with the supporting portion, the compressible portion and the supporting portion form the first cavity, when the compressible portion contacts an object with hardness lower than that of the compressible portion, the compressible portion is in a convex shape along a direction deviating from the supporting portion, and when the compressible portion contacts an object with hardness higher than that of the compressible portion or equal to that of the compressible portion, the compressible portion is in a concave shape along a direction facing the supporting portion.
4. A weeding machine as claimed in claim 2, wherein the blocking member comprises:
the guide part is connected with the connecting piece;
the extensible part is sleeved on the extensible part, the extensible part and the extensible part form the second cavity, when the detection piece is in an original state, the extensible part is contained in the guide part, and when the detection piece is in a compressed state, the extensible part extends out of the guide part.
5. A weeding machine as claimed in claim 4, wherein the blocking member further comprises an elastic portion that is sleeved on the extendable portion, the elastic portion being located between the guide portion and the extendable portion.
6. A weeding machine as claimed in claim 2, wherein a one-way valve is provided on the connection piece or on the blocking piece.
7. A weeding machine according to claim 6,
the detection piece is provided with a first air inlet valve, the connecting piece is provided with a second air inlet valve, and the second air inlet valve is positioned behind the one-way valve along the air flow direction;
or the detection piece is provided with a first air inlet valve, the blocking piece is provided with a second air inlet valve, and the second air inlet valve is located behind the one-way valve along the air flow direction.
8. A weeding machine as claimed in any one of claims 1 to 7, wherein the weeding assembly comprises:
a motor disposed on the support assembly;
the motor is in driving connection with the first gear;
the first gear is in meshed transmission with the second gear;
and the cutter is connected with the second gear through a connecting shaft.
9. A weeding machine as claimed in any one of claims 1 to 7, further comprising a road wheel connected to the bottom end of the support assembly.
10. A weeding machine as claimed in any one of claims 1 to 7, wherein there are a plurality of the blocking assemblies and the weeding assemblies, and the blocking assemblies and the weeding assemblies are arranged in one-to-one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593747.6U CN214102341U (en) | 2020-11-11 | 2020-11-11 | Weeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593747.6U CN214102341U (en) | 2020-11-11 | 2020-11-11 | Weeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214102341U true CN214102341U (en) | 2021-09-03 |
Family
ID=77503455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022593747.6U Active CN214102341U (en) | 2020-11-11 | 2020-11-11 | Weeding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214102341U (en) |
-
2020
- 2020-11-11 CN CN202022593747.6U patent/CN214102341U/en active Active
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