CN214628166U - Grass cutter - Google Patents

Abstract

The utility model relates to a lawn mower relates to garden machine's technical field, including the cover body, set up the collection device on the cover body, rotate on the cover body and be provided with the drive shaft, be provided with the blade in the drive shaft, seted up cutting part on the blade and kept away from cutting part one side and be provided with the guide part, the guide part is the slope device and is used for leading collection device with garrulous grass. This application is through guide part with garrulous grass direction collection device to having reduced garrulous grass and having dropped subaerial probability, having shortened the time of collecting to garrulous grass, improved lawn mower's the efficiency of mowing.

Description

Grass cutter

Technical Field

The application relates to the technical field of garden machinery, in particular to a mower.

Background

Mowers are also known as weed trimmers, lawnmowers, lawn trimmers, and the like. The mower is a mechanical tool for trimming lawn, vegetation and the like, and consists of a cutter head, an engine, traveling wheels, a traveling mechanism, blades, handrails, a control part and a grass chopping and collecting component.

In the related art, the blade rotates to trim the grassland, the blade is generally of a flat plate structure at present, a cutting edge is arranged on the blade and used for cutting the grass, but in the process of cutting the grass by the flat plate-shaped blade, the grass moves to two sides of the blade, and a part of the grass is remained on the ground, so that more time is spent on collecting the grass after mowing, and the mowing efficiency of the mower is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of mowing of lawn mower, this application provides a lawn mower.

The application provides a lawn mower adopts following technical scheme:

the utility model provides a lawn mower, includes the cover body, sets up the collection device on the cover body, it is provided with the drive shaft to rotate on the cover body, be provided with the blade in the drive shaft, it just keeps away from cutting part one side and is provided with the guide part to set up the cutting part on the blade, the guide part is the slope device and is used for leading the collection device with garrulous grass.

Through adopting above-mentioned technical scheme, the drive shaft rotates and drives the blade and rotate and cut the grass, and the guide part is with garrulous grass direction collection device to reduce garrulous grass and dropped subaerial probability, shortened the time of collecting the garrulous grass, improved lawn mower's the efficiency of mowing.

Optionally, the blade includes first cutting knife and the second cutting knife of vertical coincide setting and forms certain contained angle, just first cutting knife and second cutting knife pass through connecting device and can dismantle with the drive shaft and be connected.

By adopting the technical scheme, the first cutting knife and the second cutting knife cut grass simultaneously, so that the cutting efficiency of cutting grass is improved; simultaneously first cutting knife and second cutting knife can be dismantled with the drive shaft and be connected to shorten the time of the expense of changing first cutting knife and second cutting knife, improved the efficiency of mowing of lawn mower.

Optionally, the connecting device comprises;

a puck disposed on the drive shaft;

the positioning column is arranged on the positioning disc and is in plug fit with the first cutting knife and the second cutting knife;

and the positioning screw penetrates through the two first cutting knives and the second cutting knife and is in threaded connection with the positioning disc.

Through adopting above-mentioned technical scheme, contradict first cutting knife on the positioning disk, and make first cutting knife and reference column joint cooperation, then continue to install the second cutting knife, pass first cutting knife and second cutting knife and with positioning disk threaded connection with positioning screw at last to this changes first cutting knife and second cutting knife.

Optionally, the reference column is the pipe form, be provided with the mounting disc on the positioning disc, be formed with the joint groove through bending on the mounting disc, first cutting knife joint sets up on the joint groove, and the second cutting knife contacts with the mounting disc that is located joint groove both sides with first cutting knife.

By adopting the technical scheme, the first cutting knife is clamped and arranged on the clamping groove, and the second cutting knife is abutted against the mounting disc, so that the stability of the first cutting knife and the second cutting knife is improved, and the mowing efficiency of the mower is improved; and the reference column is the pipe form, and the joint groove forms through bending to reduce the weight of reference column and mounting disc, reduced the consumption of energy when the lawn mower moves.

Optionally, the collecting means comprises;

the air duct is arranged on the cover body, and the driving shaft extends into the air duct;

the fan blades are arranged on the driving shaft, and an air outlet is formed in the air duct;

and the collecting bag is arranged on the cover body and is communicated with the air outlet.

Through adopting above-mentioned technical scheme, the positioning disk rotates and drives the flabellum and rotate, and the flabellum rotates and makes the air export from the air outlet, and the air blows garrulous grass and gets into and collect in the collection bag to this realizes the collection of garrulous grass.

Optionally, the first cutting knife and the second cutting knife are located in the cover body, a material conveying hole communicated with the grass collecting bag is formed in the cover body and relative to the air outlet, and a material outlet is formed in the cover body and located on one side of the material conveying hole.

By adopting the technical scheme, the cover body covers the first cutting knife and the second cutting knife, and blocks the chopped grass, so that the chopped grass moves back towards the air outlet, and the chopped grass enters the collection bag through the material conveying hole to be collected, thereby improving the collection effect of the grass collection bag on the chopped grass; and the stone is exported from the discharge gate under first cutting knife and the promotion of second cutting knife to this has reduced the probability that the stone got into in the collection bag, has improved the collection effect of collection bag to garrulous grass.

Optionally, the collecting bag is detachably disposed on the cover body through a connecting assembly, and the connecting assembly includes;

the connecting column is arranged on the cover body;

the hook rod is arranged on the collecting bag and hooked on the connecting column;

the pressing plate is rotatably arranged on the cover body;

and the two ends of the torsion spring are respectively connected with the pressing plate and the cover body, and the pressing plate is propped against the collecting bag under the action of the torsion spring.

Through adopting above-mentioned technical scheme, the clamp plate is rotated and the collection bag is kept away from, then catches collection bag rebound and collects the bag for the hooked pole breaks away from with the spliced pole and can takes off the collection bag, clears up the collection bag after that, clears up the back, colludes the hooked pole and establishes on the spliced pole, and collects the bag and cover the body contact, has improved the collection effect of collection bag to the garrulous grass with this.

Optionally, the cover body is detachably provided with a discharging cover covering the discharging port through a fixing assembly.

By adopting the technical scheme, the discharge hole is covered by the discharge cover, and the discharge cover blocks the stone, so that the probability of harm of the stone to a human body is reduced; and the ejection of compact cover can also be changed after damaging, has improved the effect that blocks of ejection of compact cover to the stone.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the guide part guides the crushed grass to the collecting device, so that the probability that the crushed grass falls on the ground is reduced, the time for collecting the crushed grass is shortened, and the mowing efficiency of the mower is improved;

2. the first cutting knife and the second cutting knife cut the grass simultaneously, so that the cutting efficiency of the grass is improved; meanwhile, the first cutting knife and the second cutting knife are detachably connected with the driving shaft, so that the time spent on replacing the first cutting knife and the second cutting knife is shortened, and the mowing efficiency of the mower is improved;

3. the first cutting knife is clamped and arranged on the clamping groove, and the second cutting knife is abutted against the mounting disc, so that the stability of the first cutting knife and the second cutting knife is improved, and the mowing efficiency of the mower is improved; and the reference column is the pipe form, and the joint groove forms through bending to reduce the weight of reference column and mounting disc, reduced the consumption of energy when the lawn mower moves.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a partial structural schematic of the present application;

FIG. 3 is a schematic view of the construction of the connection device of the present application;

fig. 4 is a schematic view of a connection assembly of the present application.

Reference numerals: 1. a cover body; 11. an engine; 12. a drive shaft; 13. a blade; 131. a first cutter; 132. a second cutter; 133. inserting holes; 134. a guide portion; 14. a connecting cover; 141. a connecting seat; 142. a pushing handle; 15. a material conveying plate; 16. a position avoiding cover; 17. a discharge port; 18. a discharge cover; 19. a mating plate; 2. a support wheel; 21. a driving wheel; 22. a driven wheel; 23. a first rotating shaft; 24. a second rotating shaft; 25. a self-propelled device; 26. a first runner; 27. a second runner; 28. a belt; 3. a connecting device; 31. positioning a plate; 32. a positioning column; 33. positioning a screw rod; 34. mounting a disc; 35. a clamping groove; 4. a collection device; 41. an air duct; 411. an air outlet; 42. a fan blade; 43. a collection bag; 44. a grass inlet; 45. collecting tank; 5. a connecting assembly; 51. connecting columns; 52. a hook rod; 53. pressing a plate; 54. a torsion spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a mower.

Referring to fig. 1, the lawn mower includes a housing 1 and a collecting device 4 disposed on the housing 1, wherein the housing 1 is disc-shaped, and a support wheel 2 supported on the ground is disposed on the housing 1.

Referring to fig. 1, the supporting wheel 2 includes two driving wheels 21 and two driven wheels 22, and the two driving wheels 21 are connected together by a first rotating shaft 23, and the two driven wheels 22 are connected together by a second rotating shaft 24, while the driving wheels 21 have an outer diameter larger than that of the driven wheels 22.

Referring to fig. 1 and 2, an engine 11 is fixedly mounted on the upper surface of the cover 1, and an output shaft of the engine 11 vertically passes through the cover 1 downwards and extends into the cover 1, while the axes of the output shaft of the engine 11 and the cover 1 are coincident.

Referring to fig. 2 and 3, a driving shaft 12 is coaxially and integrally provided on the output shaft of the engine 11, a blade 13 is provided on the driving shaft 12, the blade 13 includes a first cutting knife 131 and a second cutting knife 132 which are vertically stacked, and the centers of the first cutting knife 131 and the second cutting knife 132 are located on the axis of the driving shaft 12.

Referring to fig. 2 and 3, the first cutting knife 131 is positioned on the side of the second cutting knife 132 close to the driving shaft 12, and the projections of the first cutting knife 131 and the second cutting knife 132 in the vertical direction form an angle, which may be 90 degrees; meanwhile, the first cutting knife 131 and the second cutting knife 132 are detachably arranged with the driving shaft 12 through the connecting device 3; the connecting device 3 comprises a positioning disc 31, a positioning column 32 and a positioning screw 33.

Referring to fig. 2 and 3, the positioning disc 31 is coaxially and fixedly installed on the bottom end of the driving shaft 12, and the side wall of the positioning disc 31 on the side away from the driving shaft 12 is coaxially and fixedly installed with the installation disc 34; the mounting disc 34 is made by sheet metal, and metal material can be the steel, is formed with the joint groove 35 of sinking towards the mounting disc 34 through bending on the lateral wall that the mounting disc 34 deviates from drive shaft 12 one side, and reference column 32 fixed mounting deviates from on the lateral wall of positioning disc 31 one side at the mounting disc 34.

Referring to fig. 2 and 3, two sets of positioning columns 32 are provided and are respectively arranged in one-to-one correspondence with the first cutting knife 131 and the second cutting knife 132, and meanwhile, one set of positioning columns 32 is arranged on the bottom of the clamping groove 35; the first cutting knife 131 is matched with the clamping groove 35 in a clamping mode, the second cutting knife 132 is tightly attached to the installation disc 34 located on two sides of the clamping groove 35, the second cutting knife 132 is abutted to the first cutting knife 131, and the first cutting knife 131 and the second cutting knife 132 are both provided with inserting holes 133 matched with the positioning columns 32 in an inserting mode.

Referring to fig. 1 and 3, cutting portions are formed on two side edges at two ends of the first cutting knife 131 and the second cutting knife 132, and a guide portion 134 inclining upwards is integrally formed on each side of the first cutting knife 131 and the second cutting knife 132 away from the cutting portions, and the guide portion 134 is used for guiding the crushed grass to the collecting device 4; the positioning column 32 is in a hollow tubular shape, and the positioning screw 33 vertically passes through the second cutting knife 132 and the first cutting knife 131 and is in threaded connection with the bottom of the clamping groove 35. The engine 11 is started to drive the driving shaft 12 to rotate, the driving shaft 12 rotates to drive the positioning disc 31 to rotate, and the positioning disc 31 rotates to drive the first cutting knife 131 and the second cutting knife 132 to rotate for mowing.

Referring to fig. 1 and 3, the collecting device 4 includes an air duct 41 and fan blades 42, the air duct 41 is fixedly installed on the inner side wall of the housing 1, the axes of the air duct 41 and the driving shaft 12 are coincident, and the positioning disc 31 is located at the bottom end of the air duct 41 and contacts with the inner side wall of the air duct 41; the fan blades 42 are fixedly installed on the side wall of the positioning plate 31 close to the driving shaft 12, and a plurality of fan blades 42 are arranged in a circumferential array around the axis of the driving shaft 12.

Referring to fig. 1 and 3, a material conveying hole is formed in the cover body 1 and on one side close to the driving wheel 21, a connecting cover 14 covering the material conveying hole is fixedly installed on the outer side wall of the cover body 1 and above the material conveying hole, and the inside of the connecting cover 14 is communicated with the bottom end of the connecting cover 14; the material conveying hole is fixedly provided with a material conveying plate 15 extending into the cover body 1 and the connecting cover 14, the outer side wall of the cover body 1 and positioned below the material conveying hole are fixedly provided with a matching plate 19, and the matching plate 19 is fixedly connected with the material conveying plate 15 and the inner side wall of the connecting cover 14.

Referring to fig. 1 and 3, an air outlet 411 is formed on the side wall of the air duct 41 and at a position corresponding to the material conveying hole, and the height of the air outlet 411 is the same as that of the fan blade 42 and is smaller than that of the material conveying hole; the matching board 19, the material conveying board 15, the cover body 1 and the side wall of the connecting cover 14 form a material conveying channel for grass scraps to pass through. The driving shaft 12 rotates to drive the fan blades 42 to rotate, and the fan blades 42 start to blow the crushed grass into the feed delivery channel.

Referring to fig. 2 and 3, a position avoiding cover 16 communicated with the air duct 41 and the connecting cover 14 is fixedly installed on the material conveying hole and on the same side of the material conveying plate 15 and the matching plate 19, the position avoiding cover 16 is located on the side of the air outlet 411 away from the positioning plate 31, and the outer side wall of the position avoiding cover 16 abuts against the material conveying plate 15.

Referring to fig. 1 and 4, a self-propelled device 25 is fixedly attached to an inner wall of the coupling cover 14, and an output shaft of the self-propelled device 25 is coupled to the first rotating shaft 23.

Referring to fig. 3 and 4, the self-propelled device 25 is hinged with a first rotating wheel 26, and the driving shaft 12 is coaxially and fixedly provided with a second rotating wheel 27, and the axes of the first rotating wheel 26 and the second rotating wheel 27 are parallel.

Referring to fig. 2 and 4, the first roller 26 and the second roller 27 are connected together by a belt 28, and the belt 28 passes through the shield 16. The cover 16 blocks the grass fragments, reducing the probability of the grass fragments falling onto the first and second wheels 26, 27 and the belt 28.

Referring to fig. 3 and 4, the driving shaft 12 rotates to drive the second wheel 27 to rotate, the second wheel 27 drives the first wheel 26 to rotate, the first wheel 26 rotates to drive the output shaft of the self-walking device 25 and the first rotating shaft 23 to rotate, and the first rotating shaft 23 rotates to drive the driving wheel 21 to rotate.

Referring to fig. 1 and 4, a connecting seat 141 is fixedly installed on the upper surface of the connecting cover 14, a pushing handle 142 extending to a side far away from the engine 11 is fixedly installed on the connecting seat 141, the collecting device 4 further includes a collecting bag 43, the side wall of the collecting bag 43 is made of breathable cloth, the collecting bag 43 is detachably disposed on the connecting seat 141 through a connecting assembly 5, and the connecting assembly 5 includes a connecting column 51, a hook rod 52, a pressing plate 53 and a torsion spring 54.

Referring to fig. 1 and 4, the connecting column 51 is fixedly mounted on the connecting seat 141 and is in a horizontal state, the collecting bag 43 abuts against the side wall of the connecting cover 14 on the side away from the cover body 1, the side wall of the collecting bag 43 on the side close to the connecting cover 14 is provided with a grass inlet 44 for grass to pass through, and the projection of the material conveying hole along the axis perpendicular to the connecting column 51 is positioned in the grass inlet 44.

Referring to fig. 1 and 4, the hook rod 52 is fixedly installed on the sidewall of the collecting bag 43 near the side of the connecting cover 14, and the hook rod 52 is located above the grass inlet 44 and hooked on the connecting column 51; the pressing plate 53 is hinged to the connecting column 51, the torsion spring 54 is sleeved on the connecting column 51, two ends of the torsion spring 54 are fixedly connected with the connecting seat 141 and the pressing plate 53 respectively, the collecting groove 45 is formed in the upper surface of the collecting bag 43, the pressing plate 53 is clamped and mounted on the collecting groove 45 under the action of the torsion spring 54, and the pressing plate 53 is abutted to press on the upper surface of the collecting bag 43 to position the collecting bag 43.

Referring to fig. 1 and 2, a discharge hole 17 is formed in one side of the material conveying hole on the outer side wall of the cover body 1, a discharge cover 18 covering the discharge hole 17 is detachably arranged on the outer side wall of the cover body 1 through a fixing component, and the fixing component and the connecting component 5 are identical in structure.

The working principle of the embodiment of the application is as follows:

the engine 11 starts to drive the drive shaft 12 and rotates, the drive shaft 12 rotates and drives the first cutting knife 131 and the second cutting knife 132 to rotate and mow, and the drive shaft 12 rotates and drives the positioning disc 31 and the fan blade 42 to rotate, therefore the broken grass enters the conveying channel under the effect of the guide part 134 and the fan blade 42, the broken grass finally enters the collecting bag 43 through the grass inlet 44 to be collected, the stone blocks are pushed down by the first cutting knife 131 and the second cutting knife 132, the stone blocks are output through the discharge hole 17 and the discharge cover 18, thereby the probability that the broken grass falls to the ground is reduced, the time for collecting the broken grass is shortened, and the mowing efficiency of the mower is improved.

Stir clamp plate 53 and keep away from collection bag 43, then can take off collection bag 43, clear up collection bag 43, the back is accomplished in the clearance, collude on the spliced pole 51 with hook rod 52, make on collection bag 43 contradicts the connecting cover 14, loosen clamp plate 53, clamp plate 53 joint is installed on collecting vat 45, so that improved collection bag 43 to the collection effect of garrulous grass, reduced the garrulous grass and dropped subaerial probability, the efficiency of mowing of lawn mower has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a lawn mower, includes the cover body (1), sets up collection device (4) on the cover body (1), its characterized in that: the cover body (1) is provided with a driving shaft (12) in a rotating mode, the driving shaft (12) is provided with a blade (13), the blade (13) is provided with a cutting part, one side of the cutting part is far away from the cutting part, a guide part (134) is arranged on the blade (13), and the guide part (134) is an inclined device and is used for guiding the chopped grass to a collecting device (4).

2. A lawnmower as claimed in claim 1, wherein: the blade (13) comprises a first cutting knife (131) and a second cutting knife (132) which are vertically overlapped and form a certain included angle, and the first cutting knife (131) and the second cutting knife (132) are detachably connected with the driving shaft (12) through a connecting device (3).

3. A lawnmower as claimed in claim 2, wherein: said connection means (3) comprising;

a positioning disk (31), the positioning disk (31) being arranged on the drive shaft (12);

the positioning column (32) is arranged on the positioning disc (31) and is in plug fit with the first cutting knife (131) and the second cutting knife (132);

the positioning screw (33) penetrates through the two first cutting knives (131) and the second cutting knife (132) and is in threaded connection with the positioning disc (31).

4. A lawnmower as claimed in claim 3, wherein: reference column (32) are the pipe form, be provided with mounting disc (34) on positioning disc (31), be formed with joint groove (35) through bending on mounting disc (34), first cutting knife (131) joint sets up on joint groove (35), and second cutting knife (132) and first cutting knife (131) contact with mounting disc (34) that are located joint groove (35) both sides.

5. A lawnmower as claimed in claim 1, wherein: said collecting device (4) comprises;

the air duct (41), the air duct (41) is arranged on the cover body (1) and the driving shaft (12) extends into the air duct (41);

the fan blades (42) are arranged on the driving shaft (12), and the air duct (41) is provided with an air outlet (411);

a collecting bag (43), wherein the collecting bag (43) is arranged on the cover body (1) and is communicated with the air outlet (411).

6. A lawnmower as claimed in claim 2, wherein: first cutting knife (131) and second cutting knife (132) are located the cover body (1), on the cover body (1) and for air outlet (411) set up with the defeated material hole that gathers grass bag intercommunication, on the cover body (1) and be located defeated material hole one side and be provided with discharge gate (17).

7. A lawnmower according to claim 5, wherein: the collecting bag (43) is detachably arranged on the cover body (1) through a connecting assembly (5), and the connecting assembly (5) comprises;

the connecting column (51), the connecting column (51) is arranged on the cover body (1);

the hook rod (52), the hook rod (52) is arranged on the collecting bag (43) and hooked on the connecting column (51);

the pressing plate (53) is rotatably arranged on the cover body (1);

and two ends of the torsion spring (54) are respectively connected with the pressure plate (53) and the cover body (1), and the pressure plate (53) is pressed on the collecting bag (43) under the action of the torsion spring (54).

8. A lawnmower according to claim 6, wherein: the cover body (1) is detachably provided with a discharging cover (18) covering the discharging hole (17) through a fixing component.

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