WO2015161465A1 - 一种万向轮割草机 - Google Patents

一种万向轮割草机 Download PDF

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Publication number
WO2015161465A1
WO2015161465A1 PCT/CN2014/076032 CN2014076032W WO2015161465A1 WO 2015161465 A1 WO2015161465 A1 WO 2015161465A1 CN 2014076032 W CN2014076032 W CN 2014076032W WO 2015161465 A1 WO2015161465 A1 WO 2015161465A1
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WO
WIPO (PCT)
Prior art keywords
universal wheel
rotating shaft
hole
positioning plate
lawn mower
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Application number
PCT/CN2014/076032
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English (en)
French (fr)
Inventor
赵延辉
Original Assignee
赵延辉
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Filing date
Publication date
Application filed by 赵延辉 filed Critical 赵延辉
Priority to PCT/CN2014/076032 priority Critical patent/WO2015161465A1/zh
Publication of WO2015161465A1 publication Critical patent/WO2015161465A1/zh

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors

Definitions

  • the utility model relates to the field of mowing equipment, in particular to a universal wheel mower.
  • the lawnmower with the universal wheel has a universal adjustment mechanism and a height adjustment mechanism on the universal wheel assembly, and the universal adjustment mechanism mainly adjusts the direction of the universal wheel (ie, adjusts the universal direction)
  • the universal state of the wheel or the straight-through state) the universal adjustment mechanism mainly adjusts the working state of the universal wheel through a positioning rod in the universal adjustment mechanism, and the positioning rod is disposed on the lawn mower body.
  • the universal wheel bracket is provided with a through hole matched with the positioning rod.
  • the universal wheel When the universal positioning state is away from the through hole on the universal wheel bracket, when the positioning rod is inserted into the through hole of the universal wheel bracket, the universal wheel is The universal state is changed to the straight state, the universal adjustment mechanism is cumbersome and the user must adjust to the front of the lawn mower during adjustment, and the adjustment is inconvenient; the height adjustment mechanism mainly adjusts the end of the lawn mower body
  • the height adjustment mechanism means that the bracket of the universal wheel is provided with a plurality of screw holes different in height from the ground, and the roller on the roller of the universal wheel is screwed with the screw hole on the bracket, and is adjusted.
  • the height of the universal wheel is The roller on the roller of the universal wheel is connected with the screw hole connected to the bracket. Therefore, the roller should be removed from the bracket and then connected with other screw holes during adjustment.
  • the structure of the adjusting device is complicated and the adjustment is troublesome. .
  • the technical problem to be solved by the utility model is to provide a universal wheel mower with simple structure and convenient adjustment.
  • the technical solution provided by the present invention is: a universal wheel mower comprising a lawn mower body, a universal wheel assembly connected to the lawn mower body, and the universal wheel assembly
  • the utility model comprises a roller, a bracket, a rotating shaft mounted on the bracket, and a positioning plate, wherein the positioning plate is simultaneously rotatably connected with the lawn mower body, the rotating shaft comprises a rotating shaft body, and the rotating shaft body is provided from bottom to top.
  • the shaft body further has an axial groove
  • the rear side of the left side of the positioning plate is provided with a connecting point of the wire connected to the wire, and the other end of the wire is connected with the handle on the lawn mower, positioning
  • the front side of the left side of the board is provided with a connecting point of the tension spring connected to the tension spring, and the other end of the tension spring is connected with the body of the lawn mower, and the right side of the positioning plate is provided with an elongated hole which is matched with the size of the rotating shaft.
  • the elongated hole includes a first through hole and a second through hole, wherein the diameter of the first through hole is larger than a diameter of the annular groove on the rotating shaft body is smaller than a diameter of the rotating shaft body, and the hole at the rear end portion of the first through hole On the wall
  • the axial groove has a radial projection cooperating shaft body, the diameter of the second through hole is larger than the diameter of the shaft body.
  • the utility model has the advantages compared with the prior art: the utility model can realize the change of the universal state and the straight state of the universal wheel by the cooperation of the positioning plate and the rotating shaft, and can also adjust the end of the lawn mower body from the ground. Height, directly through the handle on the side of the armrest can convert the straight and universal state of the universal wheel, the utility model has a simple structure and uses Description
  • the positioning plate is further provided with a handle for convenient adjustment, and the setting of the handle is convenient for rotating and adjusting the positioning plate.
  • FIG. 1 is a schematic view showing the overall structure of a universal wheel mower according to the present invention.
  • FIG. 2 is a partial structural schematic view of a head of a universal wheel mower according to the present invention.
  • FIG 3 is a schematic structural view of a rotating shaft of a universal wheel mower according to the present invention.
  • FIG. 4 is a schematic structural view of a positioning plate of a universal wheel mower according to the present invention.
  • FIG. 5 is a schematic structural view of a first embodiment of a universal wheel mower head according to the present invention.
  • FIG. 6 is a schematic structural view of a second embodiment of a universal wheel mower head according to the present invention.
  • FIG. 7 is a schematic structural view of a third embodiment of a universal wheel mower head according to the present invention.
  • a universal wheel mower includes a lawn mower body 1 and a universal wheel assembly 2 connected to the lawn mower body 1.
  • the universal wheel assembly 2 includes a roller 2.1, a bracket 2.2, a rotating shaft 2.3 mounted on the bracket 2.2, further comprising a positioning plate 2.4, the positioning plate 2.4 is simultaneously rotatably connected with the lawn mower body 1, the rotating shaft 2.3 comprising a rotating shaft body 2.31, from the bottom to the rotating shaft body 2.31
  • a plurality of identical annular grooves 2.32 are disposed on the shaft body 2.31, and an axial groove 2.33 is further disposed on the rotating shaft body 2.31.
  • the rear side of the left side of the positioning plate 2.4 is provided with a wire connecting point 2.41 connected to the wire 3, and the wire 3 is further One end is connected with the handle 4 on the lawn mower, and the front side of the left side of the positioning plate 2.4 is provided with a tension spring connection point 2.42 connected to the tension spring 4, and the other end of the tension spring 4 is connected with the lawn mower body 1, the positioning plate 2.4
  • the right side of the right side is provided with an elongated hole communicating with the rotating shaft 2.3.
  • the elongated hole includes a first through hole 2.43 and a second through hole 2.44.
  • the diameter of the first through hole 2.43 is larger than the annular concave on the rotating shaft body 2.31.
  • the diameter of the slot 2.32 is smaller than a diameter of the rotating shaft body 2.31, and a radial protrusion corresponding to the axial groove 2.33 on the rotating shaft body 2.31 is provided on the wall of the rear end of the first through hole 2.43, and the diameter of the second through hole 2.44 It is larger than the diameter of the shaft body 2.31.
  • the positioning plate 2.4 is further provided with a handle 2.45 for easy adjustment.
  • the left side of the positioning plate 2.4 refers to the end near the body of the lawn mower
  • the right side of the positioning plate 2.4 refers to the end that cooperates with the rotating shaft 2.3
  • the rear side of the left side of the positioning plate 2.3 refers to the same as the handle 4.
  • the pull wire 3 and the tension spring 5 are connected to the positioning plate through the holes on the positioning plate, and the tension spring is in a stretched state.
  • the first through hole 2.43 of the positioning plate 2.4 is divided into a front through hole and a rear through hole, and the front through hole communicates with the second through hole 2.44, and the first through hole 2.43 and the rotating shaft body 2.31
  • the matching projection of the upper axial groove 2.33 is disposed on the wall of the hole of the rear through hole.
  • the universal wheel is in a universal state, which means that the universal wheel can advance in the natural direction or can enter the circumferential direction and rotate.
  • the universal wheel is in a straight state, which means that the universal wheel can only move linearly. Turn to the direction.
  • the schematic view of the structure shown in FIG. 5 is that the universal wheel 2 is in a universal state, and the front through hole of the first through hole 2.43 on the positioning plate 2.4 is engaged with the rotating shaft 2.3, and the rotating shaft 2.3 is in the first through hole 2.43.
  • the front through hole rotates in the front through hole.
  • the front through hole of the first through hole 2.43 is located in the annular groove 2.32 on the rotating shaft 2.3.
  • the pulling wire 3 is in the tension state
  • the pulling handle 3 pulls the wire 3 to relax
  • the positioning plate 2.4 is in the tension spring 5
  • the rear through hole of the first through hole 2.43 on the positioning plate 2.4 is slid into the annular groove 2.32 on the rotating shaft 2.3 to cooperate with the rotating shaft 2.3, and the protrusion at the through hole of the first through hole 2.43 is stuck.
  • the rotating shaft 2.3 cannot be rotated to achieve the purpose of the universal wheel straight.
  • Embodiment 2 the structural diagram shown in FIG. 6 is that the universal wheel 2 is in a straight state, and the rear through hole of the first through hole 2.41 on the positioning plate 2.4 is matched with the rotating shaft 2.3, and the first through hole 2.41 is at the through hole.
  • the protrusion is stuck in the groove 2.33.
  • the cable 5 is in a relaxed state, and the handle 4 is cocked upward.
  • the positioning plate 2.4 slides the front through hole of the first through hole 2.42 to the annular concave of the rotating shaft 2.3 under the force of the pulling wire 3.
  • the groove 3.32 is engaged with the rotating shaft 2.3 to make the universal wheel 2 in a universal state.
  • Embodiment 3 the structural diagram shown in FIG. 7 is that the universal wheel 2 is in the adjustment high and low state, and if the universal wheel 2 is in the universal state or the straight state, the positioning plate 2.4 is manually adjusted to the second through hole 2.43 and The state of the rotating shaft 2.3 is the state shown in FIG. 6. Since the diameter of the second through hole 2.43 is larger than the diameter of the rotating shaft 2.3, the rotating shaft 2.3 can move up and down in the third through hole 2.43, and the height of the required universal wheel 2 is adjusted. Then manually adjust the universal wheel 2 to the straight or universal state.

Abstract

本实用新型公开了一种万向轮割草机，它包括割草机机体（1）、与割草机机体（1）连接的万向轮组件（2）、所述的万向轮组件（2）包括滚轮（2.1）、支架（2.2）、安装在支架（2.2）上的转轴（2.3），其特征在于：它还包括定位板（2.4），所述的定位板（2.4）同时与割草机本体（1）转动连接，所述定位板（2.4）左边的后侧设有与拉线（3）连接的拉线连接点（2.41），定位板（2.4）左边的前侧设有与拉簧（4）连接的拉簧连接点（2.42），所述定位板（2.4）的右边设有与转轴（2.3）配合大小相通的长形孔。本实用新型通过定位板与转轴的配合可以实现万向轮的万向状态和直行状态的改变还可以调节割草机机体的端部离地面的高度，直接通过扶手边上的手柄可转换万向轮的直行和万向状态，本实用新型结构简单、使用方便。

Description

说 明 书
一种万向轮割草机
技术领域
本实用新型涉及割草设备领域， 具体是指一种万向轮割草机。
背景技术
随着生活水平的提高人们对美化环境越来越重视， 割草机的应用也越来越 r泛。 现 有技术中， 带万向轮的割草机在万向轮组件上设有万向调节机构和调高机构， 所述的万 向调节机构主要是调节万向轮的方向 （即调节万向轮的万向状态或直行状态）， 所述的万 向调节机构主要是通过万向调节机构中的定位杆来调节万向轮的工作状态， 所述的定位 杆设置在割草机机体上， 万向轮支架上设置有与定位杆相配合的通孔， 万向状态时定位 杆远离万向轮支架上的通孔， 当把定位杆插入万向轮支架上的通孔时万向轮由万向状态 转为直行状态， 此万向调节机构结构繁琐且在调节时使用者必须到割草机的前面进行调 节， 调节不便； 所述的调高机构主要是调节割草机机体的端部离地面的高度， 所述的调 高机构是指万向轮的支架上设有多个与地面高度不同的螺孔， 万向轮的滚轮上的滚轴与 支架上的螺孔螺接， 调节万向轮的高度即是转换万向轮滚轮上的滚轴与支架上连接的螺 孔， 所以在调节时要先把滚轴从支架上拆下再与别的螺孔进行连择， 此种调节装置结构 繁琐且调节麻烦。
实用新型内容
本实用新型要解决的技术问题是提供一种结构简单、调节方便的一种万向轮割草机。 为解决上述技术问题， 本实用新型提供的技术方案为： 一种万向轮割草机， 它包括 割草机机体、 与割草机机体连接的万向轮组件、 所述的万向轮组件包括滚轮、 支架、 安 装在支架上的转轴， 它还包括定位板， 所述的定位板同时与割草机本体转动连接， 所述 的转轴包括转轴本体， 在转轴本体上从下到上设有多个相同的环形凹槽， 转轴本体上还 设有轴向凹槽， 所述定位板左边的后侧设有与拉线连接的拉线连接点， 拉线的另一端与 割草机上的手柄连接， 定位板左边的前侧设有与拉簧连接的拉簧连接点，.拉簧的另一端 与割草机机体连接， 所述定位板的右边设有与转轴配合大小相通的长形孔， '所述的长形 孔包括第一通孔和第二通孔， 所述第一通孔的直径大于转轴本体上环形凹槽的直径小于 转轴本体的直径， 且在第一通孔后端部的孔壁上设有与转轴本体上的轴向凹槽相配合的 径向凸起， 所述第二通孔的直径大于转轴本体的直径。
本实用新型与现有技术相比的优点在于： 本实用新型通过定位板与转轴的配合可以 实现万向轮的万向状态和直行状态的改变还可以调节割草机机体的端部离地面的高度， 直接通过扶手边上的手柄可转换万向轮的直行和万向状态， 本实用新型结构简单、 使用 说 明 书
方便。
作为改进， 所述的定位板上还设有方便调节的把手， 把手的设置方便来回转动调节 定位板。
附图说明
图 1是本实用新型一种万向轮割草机的整体结构示意图。
图 2是本实用新型一种万向轮割草机头部的局部结构示意图。
图 3是本实用新型一种万向轮割草机转轴的结构示意图。
图 4是本实用新型一种万向轮割草机定位板的结构示意图。
图 5是本实用新型一种万向轮割草机头部实施例一的结构示意图。
图 6是本实用新型一种万向轮割草机头部实施例二的结构示意图。
图 7是本实用新型一种万向轮割草机头部实施例三的结构示意图。
如图所示： 1、 割草机机体， 2、 万向轮， 2.1、 滚轮， 2.2、 支架， 2.3、 转轴， 2.31、 转轴本体， 2.32、 环形凹槽， 2.33、 轴向凹槽， 2.4、 定位板， 2.41、 拉线连接点， 2.42、 拉簧连接点， 2.43、 第一通孔， 2.44、 第二通孔， 2.45、 把手， 3、 拉线， 4、 手柄， 5、 拉簧。
具体实施方式
下面结合附图对本实用新型做进一步的详细说明。
结合附图， 一种万向轮割草机， 它包括割草机机体 1、 与割草机机体 1 连接的万向 轮组件 2、 所述的万向轮组件 2包括滚轮 2.1、 支架 2.2、 安装在支架 2.2上的转轴 2.3， 它还包括定位板 2.4， 所述的定位板 2.4同时与割草机本体 1转动连接， 所述的转轴 2.3 包括转轴本体 2.31， 在转轴本体 2.31 上从下到上设有多个相同的环形凹槽 2.32， 转轴 本体 2.31上还设有轴向凹槽 2.33，所述定位板 2.4左边的后侧设有与拉线 3连接的拉线 连接点 2.41， 拉线 3的另一端与割草机上的手柄 4连接， 定位板 2.4左边的前侧设有与 拉簧 4连接的拉簧连接点 2.42， 拉簧 4的另一端与割草机机体 1连接， 所述定位板 2.4 的右边设有与转轴 2.3配合大小相通的长形孔， 所述的长形孔包括第一通孔 2.43和第二 通孔 2.44，所述第一通孔 2.43的直径大于转轴本体 2.31上环形凹槽 2.32的直径小于转 轴本体 2.31 的直径， 且在第一通孔 2.43后端部的孔壁上设有与转轴本体 2.31上的轴向 凹槽 2.33相配合的径向凸起， 所述第二通孔 2.44的直径大于转轴本体 2.31的直径。
所述的定位板 2.4上还设有方便调节的把手 2.45。
在本实施例中， 定位板 2.4的左边是指靠近割草机机体的一端， 定位板 2.4的右边是 指与转轴 2.3相配合的那端， 定位板 2.3左边的后侧是指与手柄 4相同侧的那端的端部， 说 明 书
拉线 3和拉簧 5都是通过定位板上的孔与定位板连接， 拉簧处于拉伸状态，
在本实施例中， 定位板 2.4上的第一通孔 2.43分为前通孔和后通孔， 所述的前通孔 与第二通孔 2.44相通， 第一通孔 2.43上与转轴本体 2.31上的轴向凹槽 2.33相配合的 凸起就是设置在后通孔的孔壁上。
所述万向轮处于万向状态是指万向轮在自然情况下可以前行也可以进于周向,转动， 所述万向轮处于直行状态是指万向轮的只能直线运动不能周向转动。
实施例一， 如图 5所示的结构示意图为万向轮 2处于万向状态， 定位板 2.4上的第 一通孔 2.43的前通孔与转轴 2.3配合，转轴 2.3在第一通孔 2.43的前通孔内转动， 第一 通孔 2.43的前通孔位于转轴 2.3上的环形凹槽 2.32内， 此时拉线 3处于拉紧状态， 扳 下手柄 4拉线 3放松， 定位板 2.4在拉簧 5的作用力下使定位板 2.4上的第一通孔 2.43 的后通孔滑到转轴 2.3上的环形凹槽 2.32内与转轴 2.3配合，同时第一通孔 2.43后通孔 处的凸起卡在凹槽 2.33内使转轴 2.3不能转动从而达到万向轮直行的目的。
实施例二， 如图 6所示的结构示意图为万向轮 2处于直行状态， 定位板 2.4上的第 一通孔 2.41的后通孔与转轴 2.3配合，第一通孔 2.41后通孔处的凸起卡在凹槽 2.33内， 此时拉线 5处于放松状态， 把手柄 4向上扳起， 定位板 2.4在拉线 3的作用力下第一通 孔 2.42的前通孔滑到转轴 2.3的环形凹槽 3.32内与转轴 2.3配合 而使万向轮 2处于万 向状态。
实施例三， 如图 7所示的结构示意图为万向轮 2处于调节高低状态， 若万向轮 2处' 于万向状态或直行状态， 手动将定位板 2.4调节至第二通孔 2.43与转轴 2.3配合状态即 图 6所示状态， 由于第二通孔 2.43的直径大于转轴 2.3的直径， 转轴 2.3可在第三通孔 2.43内上下移动， 当调节好所需要的万向轮 2的高度时再手动将万向轮 2调节至直行或 万向状态。
以上对本实用新型及其实施方式进行了描述，这种描述没有限制性， 附图中所示的也 只是本实用新型的实施方式之一， 实际的结构并不局限于此。 总而言之如果本领域的普 通技术人员受其启示， 在不脱离本实用新型创造宗旨的情况下， 不经创造性的设计出与 该技术方案相似的结构方式及实施例， 均应属于本实用新型的保护范围。

Claims

权 利 要 求 书
1、 一种万向轮割草机， 它包括割草机机体 （1)、 与割草机机体 （1)连接的万向 轮组件（2)、所述的万向轮组件（2)包括滚轮（2.1)、 支架（2.2)、 安装在支架（2.2) 上的转轴 （2.3), 其特征在于： 它还包括定位板 （2.4)， 所述的定位板 （2.4) 同时与 割草机本体 （1) 转动连接， 所述的转轴 （2.3) 包括转轴本体 （2.31), 在转轴本体
(2.31) 上从下到上设有多个相同的环形凹槽 （2.32)， 转轴本体 （2.31) 上 设有 轴向凹槽 （2.33)， 所述定位板 （2.4) 左边的后侧设有与拉线 （3) 连接的拉线连接 点 （2.41)， 拉线 （3) 的另一端与割草机上的手柄 （4) 连接， 定位板 （2.4)左边的 前侧设有与拉箦 （4) 连接的拉簧连接点 （2.42)， 拉簧 （4) 的另一端与割草机机体
(1) 连接， 所述定位板 （2.4) 的右边设有与转轴 （2.3) 配合大小相通的长形孔， 所述的长形孔包括第一通孔 （2.43) 和第二通孔 （2.44)， 所述第一通孔 （2.43) 的 直径大于转轴本体（2.31)上环形凹槽（2.32)的直径小于转轴本体（2.31)的直径， 且在第一通孔（2.43)后端部的孔壁上设有与转轴本体（2.31)上的轴向凹槽（2.33) 相配合的径向凸起， 所述第二通孔 （2.44) 的直径大于转轴本体 （2.31) 的直径。
2、 根据权利要求 1所述的一种万向轮割草机， 其特征在于： 所述的定位板（2.4) 上还设有方便调节的把手 （2.45)。
PCT/CN2014/076032 2014-04-23 2014-04-23 一种万向轮割草机 WO2015161465A1 (zh)

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CN108770491A (zh) * 2018-08-09 2018-11-09 吉林大学 一种茎秆作物收割台线切割装置

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CN108770491A (zh) * 2018-08-09 2018-11-09 吉林大学 一种茎秆作物收割台线切割装置

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