WO2019095657A1 - Tondeuse à gazon - Google Patents

Tondeuse à gazon Download PDF

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Publication number
WO2019095657A1
WO2019095657A1 PCT/CN2018/087654 CN2018087654W WO2019095657A1 WO 2019095657 A1 WO2019095657 A1 WO 2019095657A1 CN 2018087654 W CN2018087654 W CN 2018087654W WO 2019095657 A1 WO2019095657 A1 WO 2019095657A1
Authority
WO
WIPO (PCT)
Prior art keywords
lawn mower
handle
gear
height adjustment
slots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/087654
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English (en)
Chinese (zh)
Inventor
严语
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Publication of WO2019095657A1 publication Critical patent/WO2019095657A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A01D34/74—Cutting-height adjustment
    • 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
    • A01D34/82—Other details

Definitions

  • the present disclosure relates to the field of plant cutting technology, and in particular to a lawn mower.
  • the lawn mower is also called a weeder, a lawnmower, a lawn trimmer, and the like.
  • the lawn mower is a mechanical tool for mowing lawns, vegetation, etc., and is composed of a cutter head, an engine, a traveling wheel, a traveling mechanism, a cutter, an armrest, and a control portion.
  • the cutter head is mounted on the traveling wheel.
  • the cutter head is equipped with an engine.
  • the output shaft of the engine is equipped with a cutting knife.
  • the cutting knife uses the high-speed rotation of the engine to improve the speed in a lot, saving the working time of the weeding worker and reducing the human resources. .
  • the lawn mower in order to adjust the mowing height of the lawn mower, the lawn mower is provided with a cutting height adjusting device, which comprises a height adjusting handle and a height adjusting baffle, wherein the height adjusting handle is connected with the rotating shaft, and the rotating shaft is connected with the cutting knife.
  • the height adjusting handle By changing the position of the handle, the rotation of the shaft can be driven, thereby changing the height of the cutter.
  • the prior art by setting a plurality of card slots arranged side by side on the baffle plate as different gear positions, when the height adjustment handle is stuck in the card slots of different gear positions, the cutting height of the cutting blade is different.
  • the purpose of the present disclosure is to provide a lawn mower that can solve the problem that the number of gear positions on the same height-adjusting baffle plate in the prior art cannot be increased and the requirements of various cutting heights and adjustment precision cannot be met.
  • a lawn mower comprising:
  • a main body and a handle are connected by a connecting rod;
  • the main body includes a chassis, a height adjustment handle and a height adjustment baffle.
  • the height adjustment baffle is provided with a gear position chute, and the height adjustment handle is disposed in the gear position chute, and the gear position is slippery.
  • the slot includes a plurality of gear slots and a shifting slot, and the plurality of gear slots are two rows on both sides of the shifting slot, wherein the gear slots of one row and the gears of the other row The slots are staggered.
  • adjacent teeth of the same row have convex teeth therebetween, wherein the convex teeth of one row are opposite to the gear slots of the other row.
  • a plurality of said gear slots are the same size.
  • the convex teeth of different positions have the same size.
  • the lawn mower further includes a rotating shaft that drives the cutting knife of the lawn mower to lift and lower, and a locking structure fixed on the rotating shaft, the rotating shaft and the lawn mower The cutting blade is coupled to the locking structure to lock the heightening handle in any one of the gear slots.
  • the locking structure includes a limiting structure, the limiting structure is disposed on two sides of the locking structure, and the height adjusting handle is restricted from a side of the locking structure Move on the other side.
  • the locking structure has a blocking piece including a connecting portion and a stopping portion, wherein one end of the connecting portion is connected to the rotating shaft, and the other end is connected to the stopping portion, A connecting portion is vertically connected to the stop portion, the stop portion for limiting the height adjustment handle.
  • the stopping portion has a sheet shape, and the limiting structure is an inclined surface on both sides of the stopping portion.
  • the side of the stop includes a first side, a second side, a third side, a fourth side, and a fifth side, which are sequentially connected, the first side and the fifth side Parallel, the second side surface and the fourth side surface are the inclined surfaces, and the length of the third side surface is smaller than a distance between the first side surface and the fifth side surface.
  • the stop piece is a spring piece.
  • the lawn mower of the present disclosure has a plurality of gear slots and a shifting groove disposed on the height adjustment baffle, and the plurality of gear slots are two rows on both sides of the transposition slot, which can increase the number of the gear slots, and wherein The gear slots of one row are staggered with the gear slots of the other row, so that the gear positions of each gear slot are different, thereby achieving the purpose of increasing the number of gear positions and improving the adjustment precision.
  • FIG. 1 is a schematic structural view of a lawn mower provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic structural view of a height adjustment baffle provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic structural view of a stop-side restriction height adjustment handle provided by a specific embodiment of the present disclosure
  • FIG. 4 is a schematic structural view of a limit adjustment handle on the other side of the stop piece according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural view of a height adjustment baffle and an adjustment handle provided by a specific embodiment of the present disclosure
  • FIG. 6 is a schematic structural view of a stopper piece according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural view of a stopper piece having a groove provided by an embodiment of the present disclosure.
  • Chassis 12, heightening handle; 13, heightening baffle; 14, rotating shaft; 15, stop piece;
  • the embodiment provides a lawn mower comprising a main body 1 and a handle 2, and the main body 1 and the handle 2 are connected by a connecting rod 3; and a position near the handle 2 is further provided with a starting trigger 4 for Start the mower to cut the grass.
  • the main body 1 is supported by the running mechanism and walks on the lawn, and the weeds are cut by a cutting blade on the lower surface.
  • the main body 1 includes a chassis 11, a height adjustment handle 12, and a height adjustment flapper 13.
  • the height adjustment baffle 13 supports the sliding of the height adjustment handle 12, so that the cutting height of the cutting blade can be adjusted by adjusting the handle 12 at different gear positions.
  • the height adjustment baffle 13 is provided with a gear position chute, and the height adjustment handle 12 is disposed in the gear position chute, and the gear position chute includes a plurality of gear position slots 131 and a transposition groove 132.
  • the height adjustment handle 12 is connected to the rotating shaft 14, and by adjusting the position of the height adjusting handle 12 in the gear position groove 131, the rotating shaft 14 drives the cutting blade to move up and down.
  • the plurality of gear slots 131 are two rows on both sides of the shifting slot 132, wherein the gear slots 131 of one row are offset from the gear slots 131 of the other row.
  • the gear slots 131 of the two rows are staggered.
  • the adjacent gear slots 131 of the same row have protruding teeth 133 therebetween, wherein one row of the protruding teeth 133 is opposite to the other row of the gear slots 131.
  • the number of gear positions in the embodiment is doubled relative to the design of the single-row gear slot 131 in the prior art.
  • the plurality of gear slots 131 described above have the same size, and the teeth 133 at different positions have the same size.
  • the above dimension design makes the distance between the gear slots 131 of the adjacent gear positions the same, which enables the operator to grasp the distance adjusted by the adjacent gear position during the operation, and is convenient for adjusting the gear position.
  • the lawn mower of this embodiment further includes a locking structure, the locking structure is configured as a blocking piece 15, and the stopping piece 15 is fixed on the rotating shaft 14 and has a limiting structure for adjusting the height adjustment handle 12 It is limited to any one of the gear slots 131.
  • the inclined surface of the stopper structure 15 on both sides of the stopper structure restricts the height adjustment handle 12 from moving from one side of the lock structure to the other side.
  • 3 and 4 are structural views of the flap 15 defining the height adjusting handle 12 on one side and the other side, respectively.
  • the stop piece 15 includes a connecting portion 151 and a stopping portion 152.
  • One end of the connecting portion 151 is connected to the rotating shaft 14, and the other end is connected to the stopping portion 152.
  • the connecting portion 151 is vertically connected with the stopping portion 152.
  • the stop portion 152 is for limiting the height adjustment handle 12.
  • the stop piece 15 is disposed corresponding to the transposition groove 132 and located below the transposition groove 132.
  • the height adjustment handle 12 is restricted by the stop portion 152 to the gear position groove 131 on both sides of the transposition groove 132. Inside to maintain the cutting height of the mower.
  • the structure can realize the stop groove 131 for restraining the height adjustment handle 12 on both sides of the transposition groove 132 through a stopper piece 15, and has a simple structure.
  • the stopper portion 152 has a sheet shape, and the stopper structure is an inclined surface on both sides of the stopper portion 152.
  • the side of the stopping portion 152 includes a first side surface 1521, a second side surface 1522, a third side surface 1523, a fourth side surface 1524 and a fifth side surface 1525 which are sequentially connected.
  • the first side surface 1521 and the fifth side surface 1525 are parallel, and the second side surface 1522 is
  • the fourth side 1524 is an inclined surface, and the length of the third side surface 1523 is smaller than the distance between the first side surface 1521 and the fifth side surface 1525.
  • the third side surface 1523 of the stopping portion 152 is provided with a groove 15231.
  • the height adjusting handle 12 stops at the indexing groove 132, the height adjusting handle 12 is restricted by the groove 15231. .
  • the stop piece 15 is a spring piece, which is convenient for adjusting the handle 12 to replace the different gear position slots 131.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

L'invention concerne une tondeuse à gazon comprenant un moteur principal (1) et une poignée (2), le moteur principal (1) étant relié à la poignée (2) par l'intermédiaire d'une tige de liaison (3) ; le moteur principal (1) comprend un châssis (11), une poignée de réglage de hauteur (12) et une chicane de réglage de hauteur (13) ; la chicane de réglage de hauteur (13) est insérée dans une rainure de coulissement de position d'engrenage ; la poignée de réglage de hauteur (12) traverse la rainure de coulissement de position d'engrenage ; la rainure de coulissement de position d'engrenage comprend plusieurs rainures de position d'engrenage (131) et une rainure de changement de position (132) ; une rangée de rainures de position d'engrenage (131) est placée sur deux côtés de la rainure de changement de position (132), chaque rangée comprenant au moins deux rainures de position d'engrenage (131) ; et une rangée de rainures de position d'engrenage (131) est placée de manière décalée par rapport à l'autre rangée de rainures de position d'engrenage (131).
PCT/CN2018/087654 2017-11-14 2018-05-21 Tondeuse à gazon Ceased WO2019095657A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721511745.X 2017-11-14
CN201721511745.XU CN207573935U (zh) 2017-11-14 2017-11-14 一种割草机

Publications (1)

Publication Number Publication Date
WO2019095657A1 true WO2019095657A1 (fr) 2019-05-23

Family

ID=62731499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/087654 Ceased WO2019095657A1 (fr) 2017-11-14 2018-05-21 Tondeuse à gazon

Country Status (2)

Country Link
CN (1) CN207573935U (fr)
WO (1) WO2019095657A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578953A (en) * 2018-09-11 2020-06-03 The Toro Co Variable height-of-cut and ground working vehicle incorporating same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1595433A2 (fr) * 2002-09-19 2005-11-16 Yanmar Agricultural Equipment Co., Ltd. Tondeuse roulante
CN201199799Y (zh) * 2008-05-09 2009-03-04 苏州利维科电器有限公司 割草机
CN201219376Y (zh) * 2008-07-17 2009-04-15 苏州利维科电器有限公司 割草机的高度调节机构
CN206611786U (zh) * 2016-11-07 2017-11-07 南京德朔实业有限公司 割草机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1595433A2 (fr) * 2002-09-19 2005-11-16 Yanmar Agricultural Equipment Co., Ltd. Tondeuse roulante
CN201199799Y (zh) * 2008-05-09 2009-03-04 苏州利维科电器有限公司 割草机
CN201219376Y (zh) * 2008-07-17 2009-04-15 苏州利维科电器有限公司 割草机的高度调节机构
CN206611786U (zh) * 2016-11-07 2017-11-07 南京德朔实业有限公司 割草机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578953A (en) * 2018-09-11 2020-06-03 The Toro Co Variable height-of-cut and ground working vehicle incorporating same
GB2578953B (en) * 2018-09-11 2022-08-31 The Toro Co Variable height-of-cut and ground working vehicle incorporating same

Also Published As

Publication number Publication date
CN207573935U (zh) 2018-07-06

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