CN109089524B - Novel split type brush cutter - Google Patents
Novel split type brush cutter Download PDFInfo
- Publication number
- CN109089524B CN109089524B CN201811309509.9A CN201811309509A CN109089524B CN 109089524 B CN109089524 B CN 109089524B CN 201811309509 A CN201811309509 A CN 201811309509A CN 109089524 B CN109089524 B CN 109089524B
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- 244000025254 Cannabis sativa Species 0.000 claims abstract description 79
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 69
- 238000004804 winding Methods 0.000 claims abstract description 40
- 239000004411 aluminium Substances 0.000 claims abstract 3
- 230000007704 transition Effects 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
Abstract
The invention belongs to the field of agricultural machinery, and particularly relates to a novel split type brush cutter, which comprises a driving device and a split type brush cutter, wherein the split type brush cutter comprises a connecting flexible shaft, a split type connecting aluminum pipe assembly and a novel cutter head assembly; novel tool bit subassembly is connected through novel hexagonal connecting piece between aluminium pipe subassembly with split type and is set up, is provided with novel buckle grass baffle on the split type connection aluminium pipe subassembly. The invention has reasonable overall structural design, wherein the arrangement of the split type connecting aluminum pipe assembly can obviously improve the efficiency of quick connection and disassembly of two sections of aluminum pipes of the split type brush cutter, so that the operation is more convenient and quick; the novel buckle grass baffle also realizes the rapid installation and disassembly of a user; the novel hexagonal connecting piece can obviously improve the installation efficiency, effectively avoid the defect that front and rear end machines rotate and incline, and is practical and convenient; the novel grass winding preventing blade design not only meets the aim of normal mowing, but also can effectively prevent the blade from winding grass.
Description
Technical Field
The invention belongs to the field of agricultural machinery, relates to a brush cutter, and particularly relates to a novel split brush cutter.
Background
A brush cutter (a lower cutter) is also called a weeder, a lawnmower, a Lawn trimmer, etc. A mower is a mechanical tool for trimming lawns, vegetation and the like, and consists of a cutter head, an engine, travelling wheels, a travelling mechanism, a blade, an armrest and a control part.
The whole design of the existing brush cutter is unreasonable, the brush cutter can be detached inconveniently, the conditions of irregular mowing and unsafe are met, positioning needs to be considered when a quick connection structure is utilized, and the complicated conditions of installation and detachment are caused.
Disclosure of Invention
The invention provides a novel split type brush cutter aiming at the problems.
In order to achieve the aim, the invention adopts the technical proposal that,
the novel split type brush cutter comprises a driving device, wherein a split type brush cutter is arranged on the driving device, the split type brush cutter comprises a connecting flexible shaft arranged on the driving device, one end, far away from the driving device, of the connecting flexible shaft is provided with a split type connecting aluminum pipe assembly, and one end, far away from the connecting flexible shaft, of the split type connecting aluminum pipe assembly is provided with a novel cutter head assembly; the novel tool bit assembly is connected with the split type connecting aluminum pipe assembly through a novel hexagonal connecting piece, one end, close to the novel tool bit assembly, of the split type connecting aluminum pipe assembly is provided with a novel buckle grass blocking plate, and the split type connecting aluminum pipe assembly is provided with a matching cylinder sleeve matched with the novel buckle grass blocking plate;
the split type connecting aluminum pipe assembly comprises a first connecting aluminum pipe connected with a connecting flexible shaft, a second connecting aluminum pipe connected with a novel tool bit assembly and a connecting sleeve used for fixedly connecting the first connecting aluminum pipe and the second connecting aluminum pipe, the connecting sleeve comprises a cylindrical sleeve, a first pressing piece is arranged at one end of the lower part of the cylindrical sleeve, a second pressing piece is also arranged at the other end of the lower part of the cylindrical sleeve, a bolt assembly is arranged at one end of the side face of the cylindrical sleeve, a fixing screw is arranged at the other end of the side face of the cylindrical sleeve, an outer convex round hole matched with the ball head bolt assembly is formed in the cylindrical sleeve, and the bolt assembly is a ball head bolt assembly or an inclined plane bolt assembly;
the ball head bolt assembly comprises a transition nut arranged in the convex round hole, a ball head bolt arranged in the transition nut and a lifting ring arranged at the end part of the ball head bolt, a connecting spring is arranged between the ball head bolt and the transition nut, the ball head bolt comprises a connecting column, and one end of the connecting column, which is far away from the lifting ring, is provided with a ball head column;
the inclined plane bolt assembly comprises a transition nut arranged in the convex round hole, an inclined plane bolt arranged in the transition nut and a lifting ring arranged at the end part of the inclined plane bolt, a connecting spring is arranged between the inclined plane bolt and the transition nut, the inclined plane bolt comprises a connecting column, and one end of the connecting column, which is far away from the lifting ring, is provided with an inclined plane column;
the novel cutter head assembly comprises a gear box which is matched with the second connecting aluminum pipe and a novel grass winding preventing blade assembly arranged on the gear box, the novel grass winding preventing blade assembly comprises a pressing plate assembly which is matched with the gear box and a novel grass winding preventing blade which is arranged on the pressing plate assembly, and the novel grass winding preventing blade is an inclined grass winding preventing blade, an arc grass winding preventing blade or a concave grass winding preventing blade;
the inclined grass winding prevention blade comprises a square fixing plate, an inclined grass cutting blade is arranged at the edge of the square fixing plate, a mounting shaft hole is formed in the middle of the square fixing plate, and the inclined grass cutting blade is inclined at an angle of 10-40 degrees;
the arc grass winding preventing blade comprises a circular fixing plate, an arc grass cutting blade in smooth transition with the circular fixing plate is arranged at the edge of the circular fixing plate, a mounting shaft hole is formed in the middle of the circular fixing plate, and the radian of the arc grass cutting blade is pi/15+/-pi/20;
the concave grass winding preventing blade comprises a circular fixing plate, a horizontal mowing blade is arranged below the edge of the circular fixing plate, the horizontal mowing blade and the circular fixing plate are integrally formed through a connecting vertical plate, and a mounting shaft hole is formed in the middle of the circular fixing plate;
the novel hexagonal prism connecting piece comprises a hexagonal prism bearing shell and a hexagonal prism connecting pipe matched with the hexagonal prism bearing shell, the hexagonal prism bearing shell and the hexagonal prism connecting pipe are fixedly connected through a novel connecting bolt, the hexagonal prism bearing shell comprises an outer hexagonal shell and an inner hexagonal shell arranged on the inner side of the outer hexagonal shell, a hexagonal accommodating cavity is formed between the inner hexagonal shell and the outer hexagonal shell, the novel connecting bolt comprises an outer supporting rod and a matched outer supporting rod hinged with the outer supporting rod, bolt holes are formed in the upper parts of the outer supporting rod and the matched outer supporting rod, and compression bolts are arranged in the bolt holes;
the matched cylinder sleeve comprises a cylinder sleeve, and a transverse convex circular ring and a longitudinal convex cylinder are arranged on the outer side of the cylinder sleeve;
the novel buckle grass blocking plate comprises a fan-shaped grass blocking plate, the upper portion of the fan-shaped grass blocking plate is provided with a novel clamping sleeve matched with the matched cylinder sleeve, the novel clamping sleeve comprises a bearing plate, the upper portion of the bearing plate is provided with a first clamping sleeve hinged with the bearing plate and a second clamping sleeve hinged with the bearing plate, the first clamping sleeve comprises a first clamping sleeve and a first clamping plate arranged on the upper portion of the first clamping sleeve, the first clamping plate is provided with a rectangular clamping hole, the second clamping sleeve comprises a second clamping sleeve and a second clamping plate arranged on the upper portion of the second clamping sleeve, the second clamping plate is provided with a clamping outer supporting piece matched with the rectangular clamping hole, and the inner sides of the first clamping sleeve and the second clamping sleeve are respectively provided with a semicircular hole and a semicircular hole matched with a longitudinal outer protruding cylinder.
Preferably, the clamping key is arranged on the side wall of the contact part of the second connecting aluminum pipe and the first connecting aluminum pipe, the clamping groove matched with the clamping key is formed in the inner side of the cylindrical sleeve, the first pressing piece comprises a first lower protruding part arranged at the lower part of the cylindrical sleeve, a transverse pressing hole is formed in the first lower protruding part, a screwing bolt is arranged in the transverse pressing hole, the second pressing piece comprises a second lower protruding part arranged at the lower part of the cylindrical sleeve, a transverse pressing hole is also formed in the second lower protruding part, a pressing assembly is arranged in the transverse pressing hole, the pressing assembly comprises a long bolt column, a screwing handle is arranged on the long bolt column, a first connecting rotating shaft is arranged in the first connecting aluminum pipe, a second connecting rotating shaft matched with the first connecting rotating shaft is arranged in the second connecting aluminum pipe, a spline connecting shaft is arranged at the joint of the first connecting rotating shaft and the second connecting rotating shaft, and the second connecting rotating shaft is provided with a spline connecting hole matched with the spline connecting shaft, and the cylindrical hole matched with the inner side of the spline connecting shaft is formed in the cylindrical hole.
Preferably, the number of the inclined mowing blades, the arc-shaped mowing blades and the horizontal mowing blades is 1-180.
Preferably, the outer stay bar and the matched outer stay bar comprise semicircular outer stay bars and wedge plates arranged on the upper parts of the semicircular outer stay bars, key holes arranged with novel connecting bolts are formed in the hexagonal prism bearing shells and the hexagonal prism connecting pipes, semicircular rubber pads are arranged on the outer end faces of the hexagonal prism connecting pipes, semicircular containing grooves matched with the semicircular rubber pads are formed in the inner wall end faces of the hexagonal containing cavities, and hexagonal prism bearing shells or hexagonal prism connecting pipes are arranged on the gear box, and hexagonal prism connecting pipes or hexagonal prism bearing shells are arranged on the connecting aluminum pipes.
Preferably, the first connecting aluminum pipe is provided with a hand handle.
Compared with the prior art, the invention has the advantages and positive effects that,
1. the invention has reasonable overall structural design, wherein the arrangement of the split type connecting aluminum pipe assembly can obviously improve the efficiency of quick connection and disassembly of two sections of aluminum pipes of the split type brush cutter, so that the operation is more convenient and quick; the novel buckle grass baffle also realizes the rapid installation and disassembly of a user; the novel hexagonal connecting piece can obviously improve the installation efficiency, effectively avoid the defect that front and rear end machines rotate and incline, and is practical and convenient; the novel grass winding preventing blade design not only meets the aim of normal mowing, but also can effectively prevent the blade from winding grass.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic perspective view of a novel split brush cutter;
FIG. 2 is an exploded view of a novel split brush cutter (section);
FIG. 3 is a schematic perspective view of the first connecting shaft and the second connecting shaft;
FIG. 4 is an enlarged view of a portion of B in FIG. 3;
fig. 5 is a schematic perspective view of a connecting sleeve;
fig. 6 is a schematic perspective view of a connecting sleeve (another angle);
FIG. 7 is a cross-sectional view of a transverse cross-section of the connection sleeve (with ball-end latch assembly);
FIG. 8 is a cross-sectional view of a transverse cross-section of a connection sleeve (with a beveled plug assembly);
FIG. 9 is a schematic view of the structure of a novel grass-wrapping prevention blade (with an arc-shaped grass-wrapping prevention blade);
FIG. 10 is a top view of the novel anti-tangling blade (with an arcuate anti-tangling blade);
FIG. 11 is a front view of the novel anti-tangling blade (with an arcuate anti-tangling blade);
FIG. 12 is a schematic view of the structure of a novel grass-wrapping prevention blade (with an inclined grass-wrapping prevention blade);
FIG. 13 is a top view of the novel anti-grass-entangling blade (with angled anti-grass-entangling blade);
FIG. 14 is a front view of the novel anti-grass-entangling blade (with angled anti-grass-entangling blade);
FIG. 15 is a schematic view of the structure of a novel grass-wrapping prevention blade (with a concave grass-wrapping prevention blade);
FIG. 16 is a top view of the novel anti-grass-entangling blade (with concave anti-grass-entangling blade);
FIG. 17 is a front view of a novel anti-tangling blade (with a concave anti-tangling blade);
FIG. 18 is a cross-sectional view of A-A of FIGS. 10, 13, 16;
FIG. 19 is a schematic perspective view of the second connecting aluminum tube mated with the novel snap-fit grass retainer plate;
FIG. 20 is an exploded view of the second connecting aluminum tube mated with the novel snap-fit grass retainer plate;
FIG. 21 is a schematic perspective view of a novel snap-fit grass retainer;
FIG. 22 is a schematic perspective view of a novel hex connector;
FIG. 23 is a transverse longitudinal central axis of the novel hex connector of FIG. 22;
note that: fig. 19, 20, and 21, and fig. 9, 12, and 15, 4 are essentially nothing but a few differences in the drawings;
in the above figures, 1, a first aluminum connecting tube; 2. a second connecting aluminum pipe; 21. a clamping key; 3. novel tool bit assembly; 31. a gear box; 311. a blade guard; a32, arc grass winding preventing blades; a321, a round fixing plate; a3211, installing a shaft hole; a322, arc mowing blade; a3221, upper blade; a3222, lower blade; b32, inclined grass winding preventing blades; b321, square fixing plate; b3211, installing a shaft hole; b322, tilting the mowing blade; b3221, upper blade; b3222, lower blade; c32, concave grass winding preventing blade; c321, a round fixing plate; c3211, installing a shaft hole; c322, horizontal mowing blade; c3221, upper blade; c3222, lower blade; c323, connecting the vertical plates; 33. a platen assembly; 4. novel buckle grass baffle; 41. a fan-shaped grass baffle; 42. a carrying plate; 43. a first detent sleeve; 44. a first clamping plate; 45. Rectangular clamping holes; 46. the second clamping sleeve; 47. a second clamping plate; 48. a clamping outer support member; 49. A semi-circular ring aperture; 410. a semicircular cylindrical hole; 5. connecting sleeves; 51. a cylindrical sleeve; 511. a clamping groove; 512. a transverse hold-down hole; 52. a first downward convex portion; 53. a second downward convex portion; 54. a compression assembly; 541. a long bolt post; 542. tightening the handle; 55. tightening the bolts; 56. a fixing screw; 57. a middle gap; 58. a convex round hole; 59. a ball head latch assembly; 591. a connecting column; 592. a connecting spring; a593, a ball stud; b593, inclined plane column; 594. a lifting ring; 595. a transition nut; 6. matching with a cylinder sleeve; 61. a cylinder sleeve; 62. A transverse convex circular ring; 63. a longitudinal convex cylinder; 7. a first connecting rotating shaft; 71. a spline connecting shaft; 8. The second connecting rotating shaft; 81. a cylindrical hole; 82, spline holes; 9. novel hexagonal connecting pieces and novel connecting bolts; 91. novel hexagonal connecting piece; 911. hexagonal prism bearing shell; 9111. an outer hexagonal shell; 9112. an inner hexagonal shell; 9113. a hexagonal accommodation chamber; 9114. a semicircular accommodating groove; 912. hexagonal prism connecting pipe; 9121. A semicircular rubber pad; 913. a key hole; 92. a novel connecting bolt; 921. an outer stay; 922. matching with an outer stay bar; 933. and (5) pressing the bolt.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1, as shown in fig. 1 and 2, the present invention provides a novel split brush cutter, which comprises a driving device, wherein the driving device is not shown in the drawings, and the driving device and the existing design of the driving device are not greatly different, so that the components of the brush cutter are briefly described herein, and the brush cutter comprises an L-shaped back frame, an oil tank and a driving machine, wherein the L-shaped back frame is provided with a brace for a user to use comfortably; the driving device is provided with a split type cutting and irrigating device which is mainly an executing part of the invention and comprises a connecting flexible shaft arranged on the driving device, one end of the connecting flexible shaft far away from the driving device is provided with a split type connecting aluminum pipe assembly, one end of the split type connecting aluminum pipe assembly far away from the connecting flexible shaft is provided with a novel tool bit assembly, the novel tool bit assembly is a direct executing part for cutting lawns, the part is also a design key point of the invention, and the split type connecting aluminum pipe assembly is a main design point of the invention and is described in detail below.
As shown in fig. 1 and 2, the split type connecting aluminum pipe assembly comprises a first connecting aluminum pipe connected with a connecting flexible shaft, a second connecting aluminum pipe connected with a tool bit assembly and a connecting sleeve for fixedly connecting the first connecting aluminum pipe and the second connecting aluminum pipe, as shown in fig. 5 and 6, the connecting sleeve comprises a cylindrical sleeve, a first compressing piece is arranged at one end of the lower part of the cylindrical sleeve, a second compressing piece is arranged at the other end of the lower part of the cylindrical sleeve, the action positions of the first compressing piece and the second compressing piece are required to be described, the first compressing piece is used for compressing the first connecting aluminum pipe, mainly because the first compressing piece is a very-open compressing piece, the second compressing piece is used for compressing the second connecting aluminum pipe, and the inventor carries out two different design schemes on the first compressing piece and the second compressing piece because the first compressing piece is in a very-open state and the very-open state; the lower end of the cylindrical sleeve is provided with a bolt component, the other side of the side face is provided with a fixing screw, the fixing screw is mainly used for fixing the first connecting aluminum pipe, the bolt component is used for clamping the second connecting aluminum pipe, and meanwhile, the cylindrical sleeve is provided with an outer convex round hole matched with the ball head bolt component; as shown in fig. 7 and 8, the inventor has presented two designs for the latch assembly, one being a ball-nose latch assembly and the other being a bevel latch assembly; as shown in fig. 7, the ball-head bolt assembly includes a transition nut disposed in the outer convex round hole, a ball-head bolt disposed in the transition nut, and a bail disposed at the end of the ball-head bolt, wherein a connecting spring is disposed between the ball-head bolt and the transition nut, the ball-head bolt includes a connecting post, one end of the connecting post far away from the bail is provided with a ball-head post, and the setting of the ball-head bolt assembly is better understood in conjunction with fig. 7, so that the detailed description is omitted, but the inventor is mainly in order to better fix the ball-head post in cooperation with the ball-head post mating hole on the second connecting aluminum pipe; as shown in fig. 8, the inclined plane bolt assembly includes a transition nut disposed in the outer convex round hole, an inclined plane bolt disposed in the transition nut, and a lifting ring disposed at the end of the inclined plane bolt, a connecting spring is disposed between the head bolt and the transition nut, the inclined plane bolt includes a connecting post, one end of the connecting post far away from the lifting ring is provided with an inclined plane post, and the arrangement of the inclined plane bolt assembly is better understood in conjunction with fig. 7, so that the detailed description is omitted, but the inventor is mainly for better matching and fixing with the matching hole of the inclined plane post on the second connecting aluminum pipe, but the direction of the inclined plane post is to be connected with the entering direction of the second connecting aluminum pipe when the inclined plane post is specifically designed.
In addition to the above-described designs, the inventors have made the following designs:
the inventor is in order to cooperate with the ball head bolt assembly to carry out clamping, so that the first connecting aluminum pipe and the second connecting aluminum pipe are conveniently connected and fixed under the action of the connecting sleeve, a clamping key is arranged on the side wall of the contact part of the second connecting aluminum pipe and the first connecting aluminum pipe, and a clamping groove matched with the clamping key is arranged on the inner side of the cylindrical sleeve;
the functions of the first pressing piece and the second pressing piece are the same, so that the first pressing piece comprises a first lower convex part arranged at the lower part of the cylindrical sleeve, a transverse pressing hole is formed in the first lower convex part, a screwing bolt is arranged in the transverse pressing hole, the second pressing piece comprises a second lower convex part arranged at the lower part of the cylindrical sleeve, a transverse pressing hole is also formed in the second lower convex part, a pressing assembly is arranged in the transverse pressing hole, the pressing assembly comprises a long bolt column, a screwing handle is arranged on the long bolt column, and besides the design, the middle gap is arranged on the longitudinal central axis of the first lower convex part and the longitudinal central axis of the second lower convex part, the middle gap also occupies a part of the cylindrical sleeve, and the two pressing pieces have the functions;
as shown in fig. 2-4, a first connecting rotating shaft is arranged in the first connecting aluminum pipe, a second connecting rotating shaft matched with the first connecting rotating shaft is arranged in the second connecting aluminum pipe, a spline connecting shaft is arranged at the joint of the first connecting rotating shaft and the second connecting rotating shaft, a matching hole matched with the spline connecting shaft is arranged in the second connecting rotating shaft, the matching hole comprises a cylindrical hole and a spline hole arranged on the inner side of the cylindrical hole, the design is better understood, and the clamping key and the clamping groove of the design are also better matched and connected for the two rotating shafts.
For the novel cutter head assembly, as shown in fig. 9-18, the novel cutter head assembly comprises a gear box connected with an aluminum pipe and installed in a matched manner and a novel grass-winding preventing cutter blade assembly arranged on the gear box, the novel grass-winding preventing cutter blade assembly comprises a pressing plate assembly matched with the gear box and a novel grass-winding preventing cutter blade arranged on the pressing plate assembly, the novel grass-winding preventing cutter blade is a main design point in the novel grass-winding preventing cutter, three different design schemes are provided for the novel grass-winding preventing cutter blade inventor, namely an inclined grass-winding preventing cutter blade, an arc grass-winding preventing cutter blade or a concave grass-winding preventing cutter blade; the concave grass winding preventing blade comprises a circular fixing plate, a horizontal mowing blade is arranged below the edge of the circular fixing plate, the horizontal mowing blade and the circular fixing plate are integrally formed and arranged through a connecting vertical plate, the circular fixing plate, the connecting vertical plate and the horizontal mowing blade are integrally formed and designed, the connecting position of the circular fixing plate, the connecting vertical plate and the horizontal mowing blade adopts a design mode with excessive fillets to improve the service life of the novel grass winding preventing blade, the shape of the horizontal mowing blade is designed into a trapezoid design, and the horizontal mowing blade can also adopt a rectangle design besides the trapezoid design; the middle part of the circular fixing plate is provided with a mounting shaft hole; the inventor obtains that the number of the horizontal mowing blades is 1-180 through a great number of experiments; one side of the horizontal mowing blade is provided with an upper blade, and the other side is provided with a lower blade; the arc grass winding prevention blade comprises a circular fixing plate, the edge of the circular fixing plate is provided with an arc grass cutting blade, the arc grass cutting blade and the circular fixing plate are integrally formed, the circular fixing plate and the arc grass cutting blade are required to be described, the circular fixing plate and the arc grass cutting blade are integrally formed, the radian of the arc grass cutting blade is between pi/15+/-pi/20, the inventor obtains that the arc grass cutting blade has the best effect when the radian of the arc grass cutting blade is pi/15 through a great number of experiments, the arc grass cutting blade is designed to be in a trapezoid shape, and a rectangle shape can be adopted besides the trapezoid shape; the middle part of the circular fixing plate is provided with a mounting shaft hole; the inventor obtains that the number of the arc-shaped mowing blades is 1-180 through a great number of experiments; one side of the arc-shaped mowing blade is provided with an upper blade, and the other side is provided with a lower blade; the inclined grass winding prevention blade comprises a square fixing plate, the edge of the square fixing plate is provided with an inclined grass cutting blade, the inclined grass cutting blade and the square fixing plate are integrally formed, the square fixing plate and the inclined grass cutting blade are required to be described, the square fixing plate and the inclined grass cutting blade are integrally formed, the inclined angle of the inclined grass cutting blade is 10-40, the inventor obtains that the inclined grass cutting blade has the best effect when the inclined angle of the inclined grass cutting blade is 20-30 degrees through a great number of experiments, the inclined grass cutting blade is designed to be of a trapezoid design, and the inclined grass cutting blade can be of a rectangle design besides the trapezoid design; the middle part of the square fixing plate is provided with a mounting shaft hole; the inventor obtains that the number of the inclined mowing blades is 1-180 through a great number of experiments; one side of the inclined mowing blade is provided with an upper blade, and the other side is provided with a lower blade. The gear box is also provided with a blade shield arranged above the square fixing plate.
As shown in fig. 19-21, the end of the second connecting aluminum pipe, which is close to the novel tool bit assembly, is provided with a novel clamping grass blocking plate, the connecting aluminum pipe is provided with a matching cylinder sleeve matched with the novel clamping grass blocking plate, the matching cylinder sleeve comprises a cylinder sleeve, the outer side of the cylinder sleeve is provided with a transverse convex circular ring and a longitudinal convex cylinder, under the general condition, the matching cylinder sleeve is preferably designed integrally with the connecting aluminum pipe, as shown in fig. 7, the novel clamping grass blocking plate comprises a fan-shaped grass blocking plate, the upper part of the fan-shaped grass blocking plate is provided with a novel clamping sleeve matched with the matching cylinder sleeve, the novel clamping sleeve comprises a bearing plate, the upper part of the bearing plate is provided with a first clamping sleeve hinged with the bearing plate and a second clamping sleeve hinged with the bearing plate, the first clamping sleeve comprises a first clamping sleeve and a first clamping plate arranged on the upper part of the first clamping sleeve, the first clamping sleeve is provided with a rectangular clamping hole, the second clamping sleeve comprises a second clamping sleeve and a second clamping sleeve arranged on the upper part of the second clamping sleeve is provided with a rectangular clamping sleeve, and the second clamping sleeve is not matched with the second clamping sleeve is provided with the second clamping sleeve, and the second clamping sleeve is provided with a second clamping sleeve is arranged on the second clamping sleeve and the first clamping sleeve is provided with a rectangular clamping sleeve.
As shown in fig. 22 and 23, the novel hexagonal connection piece comprises a hexagonal prism bearing shell and a hexagonal prism connecting pipe matched with the hexagonal prism bearing shell, the hexagonal prism bearing shell and the hexagonal prism connecting pipe are fixedly connected through a novel connecting bolt, the arrangement of the hexagonal prism bearing shell is mainly that the bearing part is that the hexagonal prism pipe is inserted into the hexagonal prism bearing shell, the novel connecting bolt is used for connecting the two parts, and the inventor adopts a novel connection mode for the connection fixing mode, mainly because the novel connection mode is designed for protecting the hexagonal prism connecting pipe, when the hexagonal prism connecting pipe is inserted into the hexagonal prism bearing shell, the head part of the hexagonal prism connecting pipe is worn due to various forces; the invention provides a hexagonal prism bearing shell, which comprises an outer hexagonal shell and an inner hexagonal shell arranged on the inner side of the outer hexagonal shell, wherein a hexagonal accommodating cavity is formed between the inner hexagonal shell and the outer hexagonal shell, a hexagonal prism connecting pipe is arranged in the hexagonal accommodating cavity, the outer hexagonal shell and the inner hexagonal shell can be bound and fixed, a novel connecting bolt comprises an outer stay rod and a matched outer stay rod hinged with the outer stay rod, bolt holes are formed in the upper parts of the outer stay rod and the matched outer stay rod, and a compression bolt is arranged in the bolt holes. As can be seen from fig. 22, the structure of the outer stay and the mating outer stay is substantially similar, and the main body portion thereof includes a semicircular outer stay and a wedge plate provided at an upper portion of the semicircular outer stay except for the difference in design of the hinge portion. The hexagonal prism bearing shell and the hexagonal prism connecting pipe are provided with key-type holes which are arranged with the novel connecting bolts, the positions of the outer stay bars and the positions of the hinge parts arranged on the outer stay bars in a matched mode are described, the hexagonal prism bearing shell and the hexagonal prism connecting pipe are arranged on the upper portions of the key-type holes, and the hinge parts of the hexagonal prism bearing shell and the hexagonal prism connecting pipe can be sealed to the key-type holes. As shown in fig. 23, a semicircular rubber pad is disposed on the outer end surface of the hexagonal prism connecting tube, a semicircular receiving groove matched with the semicircular rubber pad is disposed on the inner wall end surface of the hexagonal receiving cavity, and for the design of the semicircular rubber pad and the semicircular receiving groove, the main purpose is to prevent the hexagonal prism bearing shell and the hexagonal prism connecting tube from being worn out, however, it should be noted that the diameter of the semicircular rubber pad is slightly larger than that of the semicircular receiving groove. For the setting position of hexagonal prism bearing shell and hexagonal prism connecting pipe, namely set up hexagonal prism bearing shell or hexagonal prism connecting pipe on the gear box, set up hexagonal prism connecting pipe or hexagonal prism bearing shell on the connection aluminum pipe, that is to say, its hexagonal prism connecting pipe can set up on connecting aluminum pipe, also can set up on the gear box, its hexagonal prism bearing shell is the same reason.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (4)
1. The novel split type brush cutter comprises a driving device and an L-shaped back frame, wherein the driving device is provided with a split type brush cutter, the split type brush cutter comprises a connecting flexible shaft arranged on the driving device, one end, far away from the driving device, of the connecting flexible shaft is provided with a split type connecting aluminum pipe assembly, and one end, far away from the connecting flexible shaft, of the split type connecting aluminum pipe assembly is provided with a novel cutter head assembly; the novel cutter head assembly is characterized in that the novel cutter head assembly is connected with the split type connecting aluminum pipe assembly through a novel hexagonal connecting piece, one end, close to the novel cutter head assembly, of the split type connecting aluminum pipe assembly is provided with a novel buckle grass blocking plate, and the split type connecting aluminum pipe assembly is provided with a matched cylinder sleeve matched with the novel buckle grass blocking plate;
the split type connecting aluminum pipe assembly comprises a first connecting aluminum pipe connected with a connecting flexible shaft, a second connecting aluminum pipe connected with a novel tool bit assembly and a connecting sleeve used for fixedly connecting the first connecting aluminum pipe and the second connecting aluminum pipe, the connecting sleeve comprises a cylindrical sleeve, a first pressing piece is arranged at one end of the lower part of the cylindrical sleeve, a second pressing piece is arranged at the other end of the lower part of the cylindrical sleeve, a bolt assembly is arranged at one end of the side face of the cylindrical sleeve, a fixing screw is arranged at the other end of the side face of the cylindrical sleeve, an outer convex round hole matched with the ball head bolt assembly is formed in the cylindrical sleeve, and the bolt assembly is a ball head bolt assembly or an inclined plane bolt assembly;
the ball head bolt assembly comprises a transition nut arranged in the convex round hole, a ball head bolt arranged in the transition nut and a lifting ring arranged at the end part of the ball head bolt, a connecting spring is arranged between the ball head bolt and the transition nut, the ball head bolt comprises a connecting column, and one end of the connecting column, which is far away from the lifting ring, is provided with a ball head column;
the inclined plane bolt assembly comprises a transition nut arranged in the convex round hole, an inclined plane bolt arranged in the transition nut and a lifting ring arranged at the end part of the inclined plane bolt, a connecting spring is arranged between the inclined plane bolt and the transition nut, the inclined plane bolt comprises a connecting column, and one end of the connecting column, which is far away from the lifting ring, is provided with an inclined plane column;
the novel cutter head assembly comprises a gear box which is matched with the second connecting aluminum pipe and a novel grass winding preventing blade assembly arranged on the gear box, the novel grass winding preventing blade assembly comprises a pressing plate assembly which is matched with the gear box and a novel grass winding preventing blade which is arranged on the pressing plate assembly, and the novel grass winding preventing blade is an inclined grass winding preventing blade, an arc grass winding preventing blade or a concave grass winding preventing blade; the inclined grass winding prevention blade comprises a square fixing plate, an inclined grass cutting blade is arranged at the edge of the square fixing plate, a mounting shaft hole is formed in the middle of the square fixing plate, and the inclined grass cutting blade is inclined at an angle of 10-40 degrees;
the arc grass winding preventing blade comprises a circular fixing plate, an arc grass cutting blade in smooth transition with the circular fixing plate is arranged at the edge of the circular fixing plate, a mounting shaft hole is formed in the middle of the circular fixing plate, and the radian of the arc grass cutting blade is pi/15+/-pi/20;
the concave grass winding preventing blade comprises a circular fixing plate, a horizontal mowing blade is arranged below the edge of the circular fixing plate, the horizontal mowing blade and the circular fixing plate are integrally formed through a connecting vertical plate, and a mounting shaft hole is formed in the middle of the circular fixing plate;
the novel hexagonal prism connecting piece comprises a hexagonal prism bearing shell and a hexagonal prism connecting pipe matched with the hexagonal prism bearing shell, the hexagonal prism bearing shell and the hexagonal prism connecting pipe are fixedly connected through novel connecting bolts, the hexagonal prism bearing shell comprises an outer hexagonal shell and an inner hexagonal shell arranged on the inner side of the outer hexagonal shell, a hexagonal accommodating cavity is formed between the inner hexagonal shell and the outer hexagonal shell, the novel connecting bolts comprise outer supporting rods and matched outer supporting rods hinged with the outer supporting rods, bolt holes are formed in the upper parts of the outer supporting rods and the matched outer supporting rods, and compression bolts are arranged in the bolt holes;
the matched cylinder sleeve comprises a cylinder sleeve, and a transverse convex circular ring and a longitudinal convex cylinder are arranged on the outer side of the cylinder sleeve;
the novel buckle grass blocking plate comprises a fan-shaped grass blocking plate, the upper portion of the fan-shaped grass blocking plate is provided with a novel clamping sleeve matched with the matched cylinder sleeve, the novel clamping sleeve comprises a bearing plate, the upper portion of the bearing plate is provided with a first clamping sleeve hinged with the bearing plate and a second clamping sleeve hinged with the bearing plate, the first clamping sleeve comprises a first clamping sleeve and a first clamping plate arranged on the upper portion of the first clamping sleeve, the first clamping plate is provided with a rectangular clamping hole, the second clamping sleeve comprises a second clamping sleeve and a second clamping plate arranged on the upper portion of the second clamping sleeve, the second clamping plate is provided with a clamping outer supporting piece matched with the rectangular clamping hole, the inner sides of the first clamping sleeve and the second clamping sleeve are respectively provided with a semicircular ring hole and a semicircular cylinder hole matched with the longitudinal outer cylinder, the second clamping sleeve comprises a first clamping sleeve and a first aluminum pipe arranged on the upper portion of the first clamping sleeve, the first clamping sleeve is also provided with a first compression bolt component arranged on the second clamping sleeve, the second clamping sleeve is provided with a second compression bolt component arranged on the second clamping sleeve, the second clamping sleeve is also provided with a second compression bolt matched with the first compression bolt, the inner side wall of the first compression bolt is provided with a second compression bolt, the first compression bolt is arranged on the second compression bolt, the compression bolt is arranged on the inner side of the first compression bolt is provided with a first compression bolt, and the compression bolt is arranged on the first compression bolt, and the compression bolt is provided with a first compression bolt, the connecting part of the first connecting rotating shaft and the second connecting rotating shaft is provided with a spline connecting shaft, the second connecting rotating shaft is provided with a matching hole matched with the spline connecting shaft, and the matching hole comprises a cylindrical hole and a spline hole arranged on the inner side of the cylindrical hole.
2. The novel split brush cutter of claim 1, wherein the number of inclined mowing blades, arc mowing blades and horizontal mowing blades is 1-180.
3. The novel split brush cutter according to claim 2, wherein the outer stay bar and the matched outer stay bar comprise semicircular outer stay bars and wedge plates arranged on the upper parts of the semicircular outer stay bars, key holes arranged with novel connecting bolts are formed in the hexagonal prism bearing shells and the hexagonal prism connecting pipes, semicircular rubber pads are arranged on the outer end faces of the hexagonal prism connecting pipes, semicircular containing grooves matched with the semicircular rubber pads are formed in the inner wall end faces of the hexagonal containing cavities, hexagonal prism bearing shells or hexagonal prism connecting pipes are arranged on the gear boxes, and hexagonal prism connecting pipes or hexagonal prism bearing shells are arranged on the connecting aluminum pipes.
4. A novel split brush cutter as claimed in claim 3, wherein the first connecting aluminium tube is provided with a hand grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309509.9A CN109089524B (en) | 2018-11-05 | 2018-11-05 | Novel split type brush cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309509.9A CN109089524B (en) | 2018-11-05 | 2018-11-05 | Novel split type brush cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109089524A CN109089524A (en) | 2018-12-28 |
| CN109089524B true CN109089524B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811309509.9A Active CN109089524B (en) | 2018-11-05 | 2018-11-05 | Novel split type brush cutter |
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| CN (1) | CN109089524B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109964617A (en) * | 2019-04-12 | 2019-07-05 | 温州市永晨机电有限公司 | A kind of adjustable type grass trimmer |
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| JP2003052220A (en) * | 2001-08-13 | 2003-02-25 | Toru Matsuura | Cutting blade unit for bush cutter |
| JP2011045266A (en) * | 2009-08-25 | 2011-03-10 | Kobayashi Tekkosho:Kk | Joint structure of horticultural tool, and horticultural tool equipped with the same |
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| JP2012200257A (en) * | 2011-03-28 | 2012-10-22 | Nishigaki Kogyo Kk | Vertical turning angle-adjusting joint and vertical turning angle-adjusting type bush cutter |
| JP3186028U (en) * | 2013-07-04 | 2013-09-12 | 許洋銘 | Tool head structure |
| CN205142874U (en) * | 2015-10-30 | 2016-04-13 | 永康市威力园林机械有限公司 | Novel brush cutter aluminum pipe adapter sleeve |
| CN209201539U (en) * | 2018-11-05 | 2019-08-06 | 大阳通用机械有限公司 | A kind of New type detachable brush cutter |
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2018
- 2018-11-05 CN CN201811309509.9A patent/CN109089524B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003052220A (en) * | 2001-08-13 | 2003-02-25 | Toru Matsuura | Cutting blade unit for bush cutter |
| JP2011045266A (en) * | 2009-08-25 | 2011-03-10 | Kobayashi Tekkosho:Kk | Joint structure of horticultural tool, and horticultural tool equipped with the same |
| JP2012200257A (en) * | 2011-03-28 | 2012-10-22 | Nishigaki Kogyo Kk | Vertical turning angle-adjusting joint and vertical turning angle-adjusting type bush cutter |
| CN102652474A (en) * | 2011-12-07 | 2012-09-05 | 宁波大叶园林设备有限公司 | Bush cutter comprising catalase hush tube, swirl sprayer and two-stroke multi-scavenging-port gasoline engine |
| JP3186028U (en) * | 2013-07-04 | 2013-09-12 | 許洋銘 | Tool head structure |
| CN205142874U (en) * | 2015-10-30 | 2016-04-13 | 永康市威力园林机械有限公司 | Novel brush cutter aluminum pipe adapter sleeve |
| CN209201539U (en) * | 2018-11-05 | 2019-08-06 | 大阳通用机械有限公司 | A kind of New type detachable brush cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109089524A (en) | 2018-12-28 |
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