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WO2016041107A1 - 一种高枝剪 - Google Patents

一种高枝剪 Download PDF

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Publication number
WO2016041107A1
WO2016041107A1 PCT/CN2014/001055 CN2014001055W WO2016041107A1 WO 2016041107 A1 WO2016041107 A1 WO 2016041107A1 CN 2014001055 W CN2014001055 W CN 2014001055W WO 2016041107 A1 WO2016041107 A1 WO 2016041107A1
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WO
WIPO (PCT)
Prior art keywords
rod
rotating
sleeve
pressing
telescopic rod
Prior art date
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Ceased
Application number
PCT/CN2014/001055
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English (en)
French (fr)
Inventor
华杰
华世民
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to DE212014000193.5U priority Critical patent/DE212014000193U1/de
Publication of WO2016041107A1 publication Critical patent/WO2016041107A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02—Secateurs; Flower or fruit shears
    • A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02—Secateurs; Flower or fruit shears
    • A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
    • A01G3/0255—Tree pruners, i.e. pruning shears carried at the end of a pole

Definitions

  • the invention relates to a garden trimming tool, in particular to a high branch shear.
  • Tree corolla pruning is an important task in garden conservation. Through pruning, it can promote the growth of branches, reduce the branches and leaves of canopy, improve ventilation and light transmission, and reduce the occurrence of pests and diseases. Trimming work is generally done by garden technicians using pruning shears. For general hedges, low shrubs or small trees, ordinary garden scissors consisting mainly of two blades and a shear shaft can be used. If you want to trim a tall branch of a tree, you usually need to use a ladder to cut the branches that need to be trimmed. It is inconvenient to trim, it is inefficient, and it is not safe to climb the ladder. There is also a knife fixed on the long pole, and the branches are cut by the knife. It is very laborious to use. If the thick branches are cut, the saws need to be sawed to cut off the branches to be removed, and different utensils are needed to complete. It also brings certain inconvenience to the garden workers, the operation is cumbersome, and the work efficiency is also very low.
  • the utility model comprises a telescopic rod.
  • the top of the telescopic rod is provided with a scissors which is spliced by a fixed knife and a rotating knife.
  • the top of the telescopic rod is further provided with a cutter body, a knife edge is arranged on the left side of the cutter body, a saw blade is arranged on the right side, and a blade is arranged on the top side.
  • the hook knife is arranged on the lower side, and the rotating knife of the scissors is rotated by the pulling rope, so that the distance between the fixed knife and the rotating knife is changed, thereby achieving the function of the scissors to trim the branches, and the length of the telescopic rod can be changed, thereby achieving high
  • the branches at the place are trimmed.
  • the above structure has the following defects: First, the drawstring is exposed outside the telescopic rod. When used, the bare drawstring will sway and shake, thereby disturbing the operation of the operator; Second, the length of the drawstring is fixed, in order to When pulling the rope, it will not hurt the hand. Most people will pull the pull ring at the end of the drawstring during operation. Then the height and body shape of different users are different. When the position of the pull ring is higher or lower than the best. When the comfortable pull gesture position, it will bring unpleasant use experience to the user, so the fixed length of the drawstring is not suitable for all body and body users; Third, the pulling rope drives the rotating mechanism of the rotating knife - the hinge The spiral spring is also directly exposed. The structure is easily disturbed or damaged by the fallen branches, and there is inconvenience in use.
  • a first technical problem to be solved by the present invention is to provide a high-pruning shear which does not interfere with the operation of an operator with respect to the above prior art.
  • the second technical problem to be solved by the present invention is to provide the above-mentioned prior art that the stretching does not interfere with the operation of the operator, and the position of the pull cord pulling portion can be adjusted to suit the different heights and sizes of the operator. High branch shears.
  • the third technical problem to be solved by the present invention is to provide the above-mentioned prior art that the stretching does not interfere with the operation of the operator, and the position of the pull cord pulling portion can be adjusted to suit the different heights and sizes of the operator. And the pulling rope drives the rotating knife with a simple rotating mechanism and is not interfered by the outside.
  • a high branch shear comprising a telescopic rod, a knife holder disposed at the top of the telescopic rod, a rotating knife rotatably coupled to the knife holder, and a rotating mechanism and a rotating knife a connected pull cord for pulling the rotation of the rotary cutter, characterized in that;
  • the outer wall of the telescopic rod is provided with a groove for accommodating the drawstring, and the telescopic rod is externally provided with a drawstring fixing structure so that the drawstring is disposed in the groove of the outer wall of the telescopic rod.
  • the telescopic rod is provided with a pull cord pulling mechanism, and the pull cord pulling mechanism comprises:
  • the sleeve is sleeved on the outer side of the telescopic rod, and the inner wall of the sleeve is provided with a track groove for laying the drawstring, and the outer part of the sleeve is provided with a pair of outwardly protruding lugs, and the sleeve is used as a pull cord pulling portion ;
  • a rotating shaft disposed between the pair of lugs, and two ends of the rotating shaft are respectively disposed on the pair of lugs;
  • the outer wall of the sleeve is provided with an arc-shaped pressure groove at a portion corresponding to the arc-shaped bottom portion of the pressing rocking member, and the sleeve wall is provided with a drawstring hole leading to the arc-shaped pressure groove for allowing the drawstring to pass through, the pull A section of the cord is disposed through the drawstring hole and is disposed in the arcuate press groove and is engageable by the presser of the curved bottom of the press rocker to secure a section of the drawstring to the sleeve.
  • the pressing rocking member is provided with a convex portion outwardly, and the operator can manually move the convex portion to rotate the pressing rocking member about the rotating shaft, and then the pressing teeth of the curved bottom portion of the pressing rocking member are relaxed and pulled. The bite of the rope.
  • the sleeve end has an expanded conical shape, and the outer wall of the expanded conical sleeve is provided with an anti-slip pattern.
  • the telescopic rod may include an upper rod and a lower rod, and the lower end of the upper rod is sleeved in the upper end of the lower rod, and the joint between the upper rod and the lower rod Provided with a connecting pipe sleeved on the upper rod and the lower rod connecting portion, the tube wall of at least one side of the connecting tube is provided with an axially arranged strip opening, and the outer portion of the connecting tube corresponding to the strip opening is provided with a jacket a C-shaped compression sleeve having an axial opening, the two open ends of the compression sleeve are outwardly provided with pressing ears, and a compression rod is connected between the two compression ears, and the first end of the compression rod is Rotating and connecting a rotating piece, the rotating piece is disposed on one side of the pressing ear, the second end of the pressing rod is sleeved with a compression nut, and the pressing nut is disposed on the outer side
  • the rotating mechanism includes:
  • one side of the tension spring is connected with the rotating knife pull rod, and the other side of the tension spring is connected with the knife;
  • the turntable cover includes an upper cover and a lower cover which are internally connected with a cable carousel cavity, and a lower part of the lower cover is provided with an extended lower sleeve sleeved on the outer wall of the telescopic rod, and one of the pull ropes is fixed
  • the end is fixed on the lower cover;
  • the upper part of the upper cover is provided with an extended upper sleeve which is sleeved with a rotating knife pull rod, the upper part of the extended upper sleeve is connected to the knife holder, or the upper sleeve is extended and integrally formed with the knife holder a portion of the tool holder corresponding to the rotating blade edge portion is provided with a concave sipe.
  • the telescopic tube telescopic rod comprises an upper rod and a lower rod, the lower end of the upper rod is sleeved in the upper end of the lower rod, the upper rod and the lower rod are both hollow tubes, and the lower bottom outer sleeve is provided with a bottom sealing tube and a bottom bottom
  • the bottom of the sealing tube is provided with two spaced-apart through holes, and the lower rod of the upper rod is fixed with a rope fixing member; the pulling rope is closely attached to the groove of the outer wall of the telescopic rod, and then passes through the bottom sealing respectively.
  • the two through holes at the bottom of the tube continue to extend inside the upper rod and the lower rod.
  • the length of the rope is bent at the upper end of the upper rod and then extended on the upper rod.
  • the telescopic rod is provided with a drawstring sleeve which can be linearly extended and retracted from the telescopic rod, from the bottom of the telescopic rod to the inside of the telescopic rod to the top of the telescopic rod A length of drawstring is placed inside the drawstring sleeve.
  • the bottom of the bottom sealing tube is also provided with a protective cover.
  • the cutter holder is further connected with a cutter, and the cutter is provided with serrations on at least part of the blades.
  • the invention has the advantages that: by providing a groove for accommodating the drawstring on the outer wall of the telescopic rod, the drawstring is placed in the groove of the outer wall of the telescopic rod, so that During the operation, the drawstring does not interfere with the operation of the operator; by providing a pull cord pulling mechanism outside the telescopic rod, the pull cord pulling mechanism can freely move outside the telescopic rod and can be fixed at a certain position on the telescopic rod, thereby The position of the pull cord pulling portion can be adjusted to suit the comfort and use of operators of different heights and sizes.
  • FIG. 1 is a schematic perspective view showing a three-dimensional structure of a high branch shear according to an embodiment of the present invention (the telescopic rod portion is omitted);
  • Figure 2 is an enlarged view of a portion I of Figure 1;
  • Figure 3 is an exploded view of the pull cord pulling mechanism of the embodiment of the present invention.
  • Figure 4 is an exploded view of the pull cord pulling mechanism of the embodiment of the present invention.
  • Figure 5 is an exploded view of the pull cord pulling mechanism of the embodiment of the present invention.
  • Figure 6 is an enlarged view of a portion II of Figure 1;
  • Figure 7 is an exploded view of the structure of Figure 6;
  • Figure 8 is an exploded view of the components of the top of the high branch shear in the embodiment of the present invention.
  • Figure 9 is a front view of a drawstring in an embodiment of the present invention.
  • FIG. 10 is a schematic structural view of a bottom sealing tube according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram showing the complete structure of a high-splitter shearing state according to an embodiment of the present invention.
  • the high branch shear includes a telescopic rod connected by the upper rod 1 and the lower rod 2, a knife holder disposed at the top of the telescopic rod, and rotatably coupled to the knife holder. a rotating knife 3, a cutter 4 fixed to the knife holder and a pull cord 5;
  • the upper rod 1 and the lower rod 2 are both hollow tubes, and the lower end of the upper rod 1 is sleeved in the upper end of the lower rod 2.
  • the cutter blade is provided with serrations on one side of the blade.
  • the drawstring 5 is coupled to the rotary cutter 3 by a rotating mechanism, and can pull the rotary cutter to rotate.
  • the upper wall 1 and the lower wall 2 of the upper rod 1 and the lower rod 2 are respectively provided with an upper groove 1a and a lower groove 2a for accommodating the drawstring 5, and the extension rod is provided with a rope fixing structure, thereby pulling The string 5 is placed in close contact with the upper groove 1a and the lower groove 2a.
  • the telescopic rod has a telescopic structure. Specifically, the connection between the upper rod 1 and the lower rod 2 is provided with a connecting tube 6 sleeved at the connecting portion of the upper rod 1 and the lower rod 2, and the connecting tube 6 is provided on at least one side of the tube wall. An axially disposed strip-shaped opening 6a, as shown in Figs.
  • a portion of the connecting tube 6 corresponding to the strip-shaped opening 6a is provided with a C-shaped pressing sleeve 7 having an axial opening, the pressure
  • the two open ends of the sleeve 7 are outwardly provided with pressing ears 7a, 7b, and a pressing rod 8 is connected between the two pressing ears 7a, 7b, and the first end of the pressing rod 8 is rotatably connected with a rotating piece 9.
  • the connecting portion of the rotating piece 9 is disposed on the outer side of the pressing pin 7a on one side, and the free end of the rotating piece 9 is disposed on the outer wall of the connecting pipe 6;
  • the second end of the pressing rod 8 is sleeved with a compression nut 10, and the compression nut 10 is disposed on the outer side of the other side pressing pin 7b.
  • the rotation of the rotating piece 9 can adjust the two pressing ears 7a, 7b. The distance between them.
  • the rotating pressing piece 9 is rotated to increase the distance between the two pressing ears 7a, 7b, and the connecting tube 6 releases the fixing and locking force of the connecting portion between the upper rod and the lower rod, and is adjusted.
  • the length of the upper part of the upper rod 1 is inserted into the upper part of the lower rod 2, and the overall length of the telescopic rod can be changed.
  • the rotating piece 9 is rotated to make a pressing between the pressing ears 7a, 7b. Distance It becomes smaller, and the connecting portion of the upper rod 1 and the lower rod 2 is fixed and locked.
  • the pull cord 5 is disposed in the connecting pipe 6, and the connecting pipe 6 is provided with a telescopic track groove 6b.
  • the connecting pipe 6 constitutes the pulling rope fixing structure. With this structure, the pulling rope 5 is closely attached to the groove.
  • the 1a and the lower recess 2a are disposed such that the cord of the present invention does not sway when used, so that the operation of the operator is not disturbed.
  • the pull rod pulling mechanism is disposed outside the telescopic rod, as shown in Figures 2 to 5, the pull cord pulling mechanism includes;
  • the sleeve 11 is movably sleeved outside the telescopic rod, and the inner wall of the sleeve is provided with a track groove 11a for pulling the drawstring, and the outer portion of the sleeve is provided with a pair of outwardly projecting lugs 11b, 11c, the end of the sleeve 11 11f is in the shape of an expansion cone, and the outer wall of the end of the sleeve of the expansion cone is provided with a non-slip pattern, and the sleeve 11 is used as a pull cord pulling portion;
  • the rotating shaft 12 is disposed between the pair of lugs 11b, 11c, and the two ends of the rotating shaft 12 are respectively disposed on the pair of lugs 11b, 11c;
  • the pressing rocking member 13 is disposed between the aforementioned pair of lugs 11b, 11c, and the middle portion of the rotating shaft 12 is disposed on the pressing rocking member 13, so that the pressing rocking member can be rotated about the rotating shaft 12 to press the bottom of the rocking member 13.
  • the arc-shaped bottom portion of the pressing rocking member is provided with a plurality of pressing teeth 13a, and the pressing rocking member 13 is outwardly provided with a convex portion 13b, and the operator can shake the convex portion 13b by hand to drive The pressing rocking member 13 is rotated about the rotating shaft 12;
  • the outer wall of the sleeve 11 is provided with an arc-shaped pressure groove 11d at a portion corresponding to the arc-shaped bottom portion of the pressing rocking member 13, and the sleeve wall is provided with a drawstring hole that allows the drawstring to pass through the arc-shaped pressure groove.
  • a section of the drawstring 5 is disposed in the arc-shaped press groove 11d through the drawstring hole 11e, and can be engaged by the press-tooth 13a of the arc-shaped bottom of the press rocker to make a section of the drawstring
  • the sleeve 11 is fixed.
  • the pulling rope pulling mechanism can fix the locking rope 5 at any desired position outside the telescopic rod.
  • the rope pulling structure fixedly locks the pulling rope 5 at a position outside the telescopic rod, the pulling rope pulls downward
  • the sleeve 11 can pull the pulling rope 5 downwards, and the pulling rope 5 can pull the rotating knife to rotate to perform the pruning work, and the position of the pulling portion of the pulling rope 5 can be adjusted, so that the operator can adapt to different heights and body types. use.
  • the convex portion 13b of the rocking member 13 is pressed by hand, and an external force is applied to the convex portion 13b to rotate the pressing rocking member 13 about the rotating shaft 12. Since the bottom of the pressing rocking member 13 has a circular arc shape, when the pressing rocking member 13 is rotated to a certain extent, the pressing teeth 13a of the arc-shaped bottom portion of the pressing rocking member 13 are no longer pulled in the arc-shaped pressure groove 11d of the sleeve 11. The rope is engaged and locked.
  • the sleeve 11 can move freely outside the telescopic rod, and the outer wall of the sleeve 11 is grasped by hand, the position of the sleeve 11 outside the telescopic rod is adjusted to reach the expected position, and then the pressing swinging member is released.
  • the convex portion 13b of the 13 exerts an opposite external force on the convex portion 13b, so that the pressing rocking member 13 rotates in the opposite direction about the rotating shaft 12, and when the pressing rocking member 13 is rotated to a certain degree, the circular bottom portion of the rocking member 13 is pressed.
  • the pressing teeth 13a start to tightly engage and lock the drawstring 5 located in the arc groove 11d of the sleeve 11, thereby pressing the drawstring 5 into the arc-shaped pressure groove 11d of the sleeve, thereby making the drawstring 5 and the sleeve 11 is locked and fixed.
  • the drawstring 5 is connected to the rotary cutter 3 by a rotating mechanism, so that the rotary cutter 5 can pull the rotary cutter to rotate by pulling the drawstring 5,
  • the rotating mechanism in this embodiment includes:
  • the rope rotating turntable 15 is arranged on the top of the telescopic rod, and the rope rotating turntable 15 can increase the pulling force of the pulling rope on the rotating knife;
  • the turntable cover 16 is disposed outside the pull cord turntable.
  • the turntable cover 16 includes an upper cover 16a and a lower cover 16b which are internally connected to each other with a cable rotating cavity.
  • the lower part of the lower cover 16b is provided with an extension sleeved on the outer wall of the telescopic rod.
  • the lower sleeve 16b-1, one fixed end of the pull cord 5 is fixed on the lower cover 16b; the upper portion of the upper cover 16a is provided with an extended upper sleeve 16a-1 which is sleeved with the rotary knife pull rod 17, and the upper sleeve 16a is extended.
  • the upper portion of the tool holder 20 is connected to the tool holder 20, or the upper sleeve 16a-1 is integrally formed integrally with the tool holder 20.
  • the upper sleeve 16a-1 is directly integrated with the holder 20.
  • a portion of the tool holder 20 corresponding to the cutting edge 3c of the rotating blade 3 is provided with a concave sipe 20a, as shown in FIG.
  • tension spring 18 one side of the tension spring is connected with the rotary knife pull rod 17, and the other side of the tension spring 18 is connected with the knife holder 20;
  • the bottom of the lower rod 2 is provided with a bottom sealing tube 21, and the bottom of the bottom sealing tube is provided with two spaced-apart through holes 21a, and the lower rod of the upper rod 1 is fixed with a rope fixing member 22;
  • the pulling rope 5 is After a section is placed in the groove of the outer wall of the telescopic rod, respectively, it passes through the two through holes 21a at the bottom of the bottom sealing tube and then continues to extend inside the upper rod and the lower rod.
  • the rope fixing member 22 is pulled, the pulling is carried out.
  • a rope fixing member a section of the drawstring 5 is further extended inside the upper rod after being bent at the upper end of the upper rod, and the other fixed end of the drawstring is fixed on the rope fixing member 22;
  • the telescopic rod is provided with a drawstring sleeve 23 which can be linearly extended and retracted with the telescopic rod, and a length of the drawstring 5 between the bottom of the telescopic rod and the top of the telescopic rod to the top of the telescopic rod is sleeved in the drawstring sleeve 23; Figures 1, 9, and 11.
  • the rope fixing member 22 and the rope sleeve 23 are arranged to ensure that the rope 5 is always in a tension state in the groove outside the telescopic rod when the length of the telescopic rod is adjusted, which is convenient between the pulling rope 5 and the pulling rope pulling mechanism.
  • the bite is fixed.
  • a protective cover 24 is jacketed on the bottom of the bottom sealing tube.

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  • Mutual Connection Of Rods And Tubes (AREA)
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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

一种高枝剪，包括伸缩杆，设置在伸缩杆顶部的刀架，转动连接在刀架上的转动刀（3），通过转动结构与转动刀连接的、用于拉动转动刀转动的拉绳（5）。伸缩杆的外壁上设置有用于容置拉绳的凹槽（1a、2a），伸缩杆外设置有拉绳固定结构，从而使拉绳紧贴在伸缩杆的凹槽内。在操作过程中，拉绳不会干扰操作人员的工作。

Description

一种高枝剪 技术领域
本发明涉及一种园林修剪工具，尤其涉及一种高枝剪。
背景技术
树木花冠修剪是园林养护的一项重要工作。通过修剪能促进枝条生长，减少郁闭树冠的枝叶，改善通风透光，减少病虫害的发生。修剪工作一般由园林技术人员用修枝剪来完成，对于一般绿篱、低矮灌木或小乔木，采用普通的主要由两个刀片和一个剪轴组成的园林剪刀即可完成。如要修剪树木高枝，通常需要借助梯子再用工具将需要修剪的树枝剪断，修剪起来很不方便，工作效率低，而且需要攀爬梯子，很不安全。还有利用长杆上固定一把刀，通过刀将树枝割断，使用起来非常费力，若剪切粗的树枝必须要用锯来锯掉想要除掉的树枝，需要不同的用具来完成，这样给园林工作者又带来一定的不便，操作繁琐，工作效率也很低。
为了解决上述问题，人们制造了一种能对高处的树枝进行方便修剪的高枝剪，例如公开号为CN203633203U(专利号为ZL 201420010990.2)的中国专利就披露了一种《多功能园林修剪工具》，其包括伸缩杆，伸缩杆顶部设置有由固定刀和转动刀绞接而成的剪刀，伸缩杆顶部还设置有刀体，刀体左侧设置刀刃、右侧加工有锯齿、顶部设置铲刀、下侧设置钩刀，剪刀的转动刀通过拉绳带动旋转，从而使固定刀和转动刀之间距离发生变化，从而达到剪刀修剪树枝的功能，伸缩杆的长度可以改变，从而能实现对高处的树枝进行修剪。
但是，上述结构存在以下几个缺陷：一、拉绳裸露在伸缩杆外，使用时，裸露在外的拉绳会摇摆晃动，从而干扰操作人员的工作；二、拉绳的长度是固定的，为了拉动拉绳时不会伤手，一般人在操作时会拉动拉绳末端的拉环，然后不同使用者，其身高和体型是不一样的，当拉环的位置高于或低于使用者最佳舒适的扯拉手势位置时，都会给使用者带来不愉快的使用体验，因此固定长度的拉绳，不适合所有身体和体型的使用者；三、拉绳带动转动刀的转动机构——绞链、螺旋弹簧，也是直接裸露在外，该结构容易被掉落下来的枝条干扰或破坏，使用时会存在不便之处。
发明内容
本发明所要解决的第一个技术问题是针对上述现有技术提供一种拉绳不会干扰操作人员的工作的高枝剪。
本发明所要解决的第二个技术问题是针对上述现有技术提供一种拉伸不会干扰操作人员的工作、拉绳拉动部的位置可调以适应不同身高和体型的操作者都能舒适使用的高枝剪。
本发明所要解决的第三个技术问题是针对上述现有技术提供一种拉伸不会干扰操作人员的工作、拉绳拉动部的位置可调以适应不同身高和体型的操作者都能舒适使用、并且拉绳带动转动刀的转动机构简单、不会被外界干扰的高枝剪。
本发明解决上述第一个技术问题所采用的技术方案为：一种高枝剪，包括伸缩杆、设置在伸缩杆顶部的刀架、转动连接在刀架上的转动刀、通过转动机构与转动刀连接的、用于拉动转动刀转动的拉绳，其特征在于；
所述伸缩杆的外壁上设置有用于容置拉绳的凹槽，所述伸缩杆外设置有拉绳固定结构从而使拉绳紧贴在所述伸缩杆外壁的凹槽内设置。
为进一步解决本发明的第二个技术问题，在解决上述第一个技术问题所采用的高枝剪结构基础上，所述伸缩杆外设置有拉绳拉动机构，该拉绳拉动机构包括：
套管，活动套设在伸缩杆外，套管的内壁设置有放设拉绳的轨道槽，套管的外部设置有向外凸起的一对凸耳，该套管即作为拉绳拉动部；
转轴，设置在前述的一对凸耳之间，并且转轴的两端分别穿设在前述的一对凸耳上；
压制摇摆件，设置在前述的一对凸耳之间，所述转轴中部穿设在压制摇摆件上、从而使压制摇摆件能绕转轴转动，压制摇摆件的底部呈弧型，并且压制摇摆件的弧型底部设置有多个压齿；
套管外壁与前述压制摇摆件的弧型底部相对应的部位设置有弧型压槽，并且套管壁上设置有通向弧型压槽的允许拉绳穿过的拉绳孔，所述拉绳的一段穿过拉绳孔后设置在前述弧型压槽内、并能由所述压制摇摆件弧型底部的压齿咬合从而使拉绳的一段与套管固定。
作为改进，所述压制摇摆件上向外设置有凸起部，操作者可以用手掰动凸起部从而使压制摇摆件绕转轴转动，继而使压制摇摆件弧型底部的压齿放松对拉绳的咬合。
再改进，所述套管末端呈膨胀圆锥型，且膨胀圆锥型的套管外壁设置有防滑纹。
在解决上述第一个技术问题所采用的高技剪结构基础上，所述伸缩杆可以包括上杆和下杆，上杆的下端套设在下杆的上端内，上杆和下杆的连接处设置有套设在上杆和下杆连接部的连接管，该连接管至少一侧的管壁设有轴向设置的条形开口，该连接管外与条形开口相对应的部位外套设有具有轴向开口的呈C型的压紧套，该压紧套的两个开口端向外设置有压紧耳，两个压紧耳之间连接有压紧杆，压紧杆的第一端转动连接有转压片，该转压片设置在一侧压紧耳的外侧，压紧杆的第二端套设有压紧螺母，压紧螺母设置在另一侧压紧耳的外侧，转动所述转压片能调整两个压紧耳之间的距离；所述拉绳穿设在所述连接管内，所述连接管即构成了所述拉绳固定结构。
为进一步解决本发明的第三个技术问题，在解决上述第一个技术问题所采用的高枝剪结构基础上，所述转动机构包括：
设置在所述伸缩杆的顶部的拉绳转盘：
套设在拉绳转盘外的转盘罩；
转动刀拉杆，转动刀拉杆的下侧设置有穿绳孔，转动刀拉杆的上侧与转动刀的一端连接；
拉簧，拉簧的一侧与转动刀拉杆连接，拉簧的另一侧与刀连接；
转动刀转轴，穿设在刀套内，转动刀的中部穿设在转动刀转轴上；
拉绳的一个固定端固定在转盘罩上后、穿过转动刀拉杆上的穿绳孔，穿过转动刀拉杆上的穿绳孔后的拉绳缠绕在拉绳转盘上，绕经拉绳转盘后的拉绳紧贴在所述伸缩杆外壁的凹槽内设置。
作为改进，所述转盘罩包括相互连接后内部具有拉绳转盘空腔的上罩和下罩，下罩的下部设有套设在伸缩杆外壁的延伸下套管，所述拉绳的一个固定端则固定在下罩上；上罩的上部设有套设转动刀拉杆的延伸上套管，延伸上套管上部连接所述刀架，或延伸上套管直接与所述刀架一体成型为一体件，所述刀架上与所述转动刀刀刃部相对应的部位设置有凹形刀槽。
再改进，所述伸缩管伸缩杆包括上杆和下杆，上杆的下端套设在下杆的上端内，上杆和下杆均为空心管，所述下的底部外套设底封管，底封管的底部设置有两个间隔设置的贯穿孔，所述上杆的下端口内固定有拉绳固定件；拉绳一段紧贴在伸缩杆外壁的凹槽内设置后，分别穿过底封管底部的两个贯穿孔后继续延伸设置在上杆和下杆的内部，途径拉绳固定件时，贯穿拉绳固定件，拉绳的一段在上杆上端弯折后继续延伸设置在上杆内部，并且拉绳的另外一个固定端在拉绳固定件上固定，伸缩杆内设置有能与伸缩杆同步伸缩的拉绳套管，从伸缩杆底部向伸缩杆内部向伸缩杆顶部之间的一段拉绳套设在拉绳套管内。
较好的，底封管底部还套设有保护套。
在解决上述第一个技术问题所采用的高枝剪结构基础上再改进，所述刀架上还连接固定有切刀，该切刀至少部分刀刃上设置有锯齿。
与现有技术相比，本发明的优点在于：通过在伸缩杆的外壁上设置有用于容置拉绳的凹槽，将拉绳紧贴在所述伸缩杆外壁的凹槽内设置，这样在操作过程中，拉绳不会干扰操作人员的工作；通过在伸缩杆外设置拉绳拉动机构，拉绳拉动机构能在伸缩杆外自由活动，还能固定在伸缩杆上的某一位置，从而使得拉绳拉动部的位置可调以适应不同身高和体型的操作者都能舒适使用。
附图说明
图1为本发明实施例中高枝剪的立体结构示意图(伸缩杆部分省略)；
图2为图1中I部放大图；
图3为本发明实施例中拉绳拉动机构的分解图一；
图4为本发明实施例中拉绳拉动机构的分解图二；
图5为本发明实施例中拉绳拉动机构的分解图三；
图6为图1中II部放大图；
图7为图6中的结构的分解图；
图8为本发明实施例中高枝剪顶部各组件的分解图；
图9为本发明实施例中的拉绳走向图；
图10为本发明实施例中底封管的结构示意图；
图11为本发明实施例中高枝剪展开状态的完整结构示意图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
如图1～11所示，为本发明一个优选实施例，该高枝剪包括由上杆1和下杆2连接而成的伸缩杆、设置在伸缩杆顶部的刀架、转动连接在刀架上的转动刀3、固定在刀架上的切刀4和一拉绳5；
其中，上杆1和下杆2均为空心管，上杆1的下端套设在下杆2的上端内。
所述切刀的刀刃一侧设置有锯齿。
所述拉绳5通过转动机构与转动刀3连接，并能拉动转动刀转动。
本实施例中，上杆1和下杆2的外壁上分别设置有用于容置拉绳5的上凹槽1a和下凹槽2a，所述伸缩杆外设置有拉绳固定结构，从而使拉绳5紧贴在上凹槽1a和下凹槽2a内设置。
伸缩杆具备伸缩结构，具体为：上杆1和下杆2的连接处设置有套设在上杆1和下杆2连接部的连接管6，该连接管6至少一侧的管壁设有轴向设置的条形开口6a，参见图6、7所示，该连接管6外与条形开口6a相对应的部位外套设有具有轴向开口的呈C型的压紧套7，该压紧套7的两个开口端向外设置有压紧耳7a、7b，两个压紧耳7a、7b之间连接有压紧杆8，压紧杆8的第一端转动连接有转压片9，该转压片9的连接部设置在一侧压紧耳7a的外侧，转压片9的自由端贴合连接管6外壁设置；
压紧杆8的第二端套设有压紧螺母10，压紧螺母10设置在另一侧压紧耳7b的外侧，转动所述转压片9能调整两个压紧耳7a、7b之间的距离。当需要调整伸缩杆长度时，转动转压片9，使两个压紧耳7a、7b之间的距离变大，连接管6释放对上杆和下杆连接部的固定与锁紧力，调整上杆1下部套入下杆2上部内的长度，即可改变伸缩杆的整体长度，当伸缩杆的长度达到预想长度后，转动转压片9，使个压紧耳7a、7b之间的距离 变小，进而将上杆1和下杆2的连接部进行固定与锁紧。
所述拉绳5穿设在连接管6内，连接管6内设置有伸缩轨道槽6b，连接管6即构成了所述拉绳固定结构，采用这种结构，拉绳5紧贴上凹槽1a和下凹槽2a设置，使得本发明的高枝剪在使用时，拉绳不会摇摆晃动，从而不会干扰操作人员的工作。
另外，本实施例中，伸缩杆外设置有拉绳拉动机构，如图2～5所示，该拉绳拉动机构包括；
套管11，活动套设在伸缩杆外，套管的内壁设置有放设拉绳的轨道槽11a，套管的外部设置有向外凸起的一对凸耳11b、11c，套管11末端11f呈膨胀圆锥型，且膨胀圆锥型的套管末端外壁设置有防滑纹，该套管11即作为拉绳拉动部；
转轴12，设置在前述的一对凸耳11b、11c之间，并且转轴12的两端分别穿设在前述的一对凸耳11b、11c上；
压制摇摆件13，设置在前述的一对凸耳11b、11c之间，所述转轴12中部穿设在压制摇摆件13上、从而使压制摇摆件能绕转轴12转动，压制摇摆件13的底部呈圆弧型，并且压制摇摆件的圆弧型底部设置有多个压齿13a，压制摇摆件13上向外设置有凸起部13b，操作者可以用手掰动该凸起部13b以驱使压制摇摆件13绕转轴12转动；
套管11外壁与前述压制摇摆件13的圆弧型底部相对应的部位设置有弧型压槽11d，并且套管壁上设置有通向弧型压槽的允许拉绳穿过的拉绳孔11e，所述拉绳5的一段穿过拉绳孔11e后设置在前述弧型压槽11d内、并能由所述压制摇摆件圆弧型底部的压齿13a咬合从而使拉绳的一段与套管11固定。
上述拉绳拉动机构能在伸缩杆外任意一个想要的位置对拉绳5进行固定锁紧，当绳拉动结构在伸缩杆外某一个位置对拉绳5进行固定锁紧后，通过向下拉动套管11，即可向下拉动拉绳5，拉绳5即可拉动转动刀转动进行剪枝工作，拉绳5拉动部的位置可调，以便能适应不同身高和体型的操作者都能舒适使用。
上述拉绳拉动机构在伸缩杆外的位置是可调的，具体原理为：
当想要调整拉绳拉动机构在伸缩杆外的位置时，用手掰动压制摇摆件13的凸起部13b，将外力施加在凸起部13b上，使压制摇摆件13绕转轴12转动，由于压制摇摆件13的底部为圆弧形，当压制摇摆件13转动到一定程度后，压制摇摆件13圆弧形底部的压齿13a不再对位于套管11弧型压槽11d内的拉绳进行咬合锁紧，此时套管11能在伸缩杆外自由活动，用手握住套管11外壁，调整套管11在在伸缩杆外的位置以达到预想位置，然后松开压制摇摆件13的凸起部13b，在凸起部13b上施加相反外力，使压制摇摆件13绕转轴12作反方向转动，当压制摇摆件13转动到一定程度后，压制摇摆件13圆弧形底部的压齿13a开始对位于套管11弧型压槽11d内的拉绳5进行紧密咬合锁紧，从而将拉绳5压制在套管的弧型压槽11d内，进而使拉绳5与套管11进行锁紧固定。
拉绳5是通过转动机构与转动刀3连接，从而通过拉动拉绳5能拉动转动刀转动， 本实施例中的转动机构包括；
设置在伸缩杆顶部的拉绳转盘15，拉绳转盘15能加大拉绳对转动刀的拉扯力度；
套设在拉绳转盘外的转盘罩16，转盘罩16包括相互连接后内部具有拉绳转盘空腔的上罩16a和下罩16b，下罩16b的下部设有套设在伸缩杆外壁的延伸下套管16b-1，所述拉绳5的一个固定端则固定在下罩16b上；上罩16a的上部设有套设转动刀拉杆17的延伸上套管16a-1，延伸上套管16a-1上部连接所述刀架20，或延伸上套管16a-1直接与所述刀架20一体成型为一体件，本实施例中延伸上套管16a-1直接与所述刀架20一体成型为一体件，所述刀架20上与所述转动刀3刀刃部3c相对应的部位设置有凹形刀槽20a，参见图8所示；
转动刀拉杆17，转动刀拉杆的下侧设置有穿绳孔17a，转动刀拉杆17的上侧与转动刀3的一端3a连接；
拉簧18，拉簧的一侧与转动刀拉杆17连接，拉簧18的另一侧与刀架20连接；
转动刀转轴19，穿设在刀架内，转动刀3的中部3b穿设在转动刀转轴19上；
Figure PCTCN2014001055-appb-000001
穿过转动刀拉杆上的穿绳孔后的拉绳缠绕在拉绳转盘15上，绕经拉绳转盘后的拉绳紧贴在所述伸缩杆外壁的凹槽内设置，参见图1、9、11。
由于拉绳5紧贴在所述伸缩杆外壁的凹槽内，并且拉绳5的一段被拉绳拉动机构紧紧咬合在套管11的弧型压槽11d内，这样，当向下拉动拉绳拉动机构的套管11，即可向下拉动拉绳5，拉绳5通过拉绳转盘15加大拉扯力度后继续作用在转动刀拉杆17上，使转动刀拉杆17也向下移动，向下移动的转动刀拉杆17拉动动刀3的一端3a向下以后，拉动动刀3的中部3b会绕转动刀转轴19转动，此时转动刀3的刀刃部3c朝刀架20的凹形刀槽20a转动，从而实现对枝条的修剪工作；当外力从套管11上消失，在拉簧18的作用下，转动刀3、转动刀拉杆17、拉绳5以及拉绳拉动机构均复位。
所述下杆2的底部外套设底封管21，底封管的底部设置有两个间隔设置的贯穿孔21a，所述上杆1的下端口内固定有拉绳固定件22；拉绳5一段紧贴在伸缩杆外壁的凹槽内设置后，分别穿过底封管底部的两个贯穿孔21a后继续延伸设置在上杆和下杆的内部，途径拉绳固定件22时，贯穿拉绳固定件，拉绳5的一段在上杆上端弯折后继续延伸设置在上杆内部，并且拉绳的另外一个固定端在拉绳固定件22上固定；
另外，伸缩杆内设置有能与伸缩杆同步伸缩的拉绳套管23，从伸缩杆底部向伸缩杆内部向伸缩杆顶部之间的一段拉绳5套设在拉绳套管23内；参见图1、9、11。
设置拉绳固定件22和拉绳套管23，是为了在调整伸缩杆长度时，拉绳5在伸缩杆外的凹槽内始终处于拉紧状态，便于拉绳5与拉绳拉动机构之间的咬合固定。
另外，为了防止外面的泥土钻到伸缩杆及底封管内部，在底封管底部外套有保护套24。

Claims (10)

  1. 一种高枝剪，包括伸缩杆、设置在伸缩杆顶部的刀架(20)、转动连接在刀架(20)上的转动刀(3)、通过转动机构与转动刀(3)连接的、用于拉动转动刀(3)转动的拉绳(5)，其特征在于：
    所述伸缩杆的外壁上设置有用于容置拉绳(5)的凹槽，所述伸缩杆外设置有拉绳(5)固定结构，而使拉绳(5)紧贴在所述伸缩杆外壁的凹槽内设置。
  2. 根据权利要求1所述的高枝剪，其特征在于：所述伸缩杆外设置有拉绳(5)拉动机构，该拉绳(5)拉动机构包括：
    套管(11)，活动套设在伸缩杆外，套管(11)的内壁设置有放设拉绳(5)的轨道槽(11a)，套管(11)的外部设置有向外凸起的一对凸耳(11b、11c)；
    转轴(12)，设置在前述的一对凸耳(11b、11c)之间，并且转轴(12)的两端分别穿设在前述的一对凸耳(11b、11c)上；
    压制摇摆件(13)，设置在前述的一对凸耳(11b、11c)之间，所述转轴(12)中部穿设在压制摇摆件(13)上、从而使压制摇摆件(13)能绕转轴(12)转动，压制摇摆件(13)的底部呈弧型，并且压制摇摆件(13)的弧型底部设置有多个压齿(13a)；
    套管(11)外壁与前述压制摇摆件(13)的弧型底部相对应的部位设置有弧型压槽(11d)，并且套管(11)壁上设置有通向弧型压槽(11d)的允许拉绳(5)穿过的拉绳(5)孔，所述拉绳(5)的一段穿过拉绳(5)孔后设置在前述弧型压槽(11d)内、并能由所述压制摇摆件(13)弧型底部的压齿(13a)咬合从而使拉绳(5)的一段与套管(11)固定。
  3. 根据权利要求2所述的高枝剪，其特征在于：所述压制摇摆件(13)上向外设置有凸起部(13b)。
  4. 根据权利要求2所述的高枝剪，其特征在于：所述套管(11)末端(11f)呈膨胀圆锥型，且膨胀圆锥型的套管(11)末端(11f)外壁设置有防滑纹。
  5. 根据权利要求1所述的高枝剪，其特征在于：所述伸缩杆包括上杆(1)和下杆(2)，上杆(1)的下端套设在下杆(2)的上端内，上杆(1)和下杆(2)的连接处设置有套设在上杆(1)和下杆(2)连接部的连接管(6)，该连接管(6)至少一侧的管壁设有轴向设置的条形开口(6a)，该连接管(6)外与条形开口(6a)相对应的部位外套设有具有轴向开口的呈C型的压紧套(7)，该压紧套(7)的两个开口端向外设置有压紧套(7a、7b)，两个压紧套(7a、7b)之间连接有压紧杆(8)，压紧杆(8)的第一端转动连接有转压片(9)，该转压片(9)与压紧杆(8)连接的连接部设置在一侧压紧耳(7a)的外侧，压紧杆(8)的第二端套设有压紧螺母(10)，压紧螺母(10)设置在另一侧压紧耳(7b)的外侧，转动所述转压片(9)能调整两个压紧套(7a、7b)之间的距离；所述拉绳(5)穿设在所述连接管(6)内，所述连接管(6)即构成了所述拉绳(5)固定结构。
  6. 根据权利要求1所述的高枝剪，其特征在于：所述转动机构包括：
    设置在所述伸缩杆的顶部的拉绳(5)转盘：
    套设在拉绳(5)转盘外的转盘罩(16)；
    转动刀(3)拉杆，转动刀(3)拉杆的下侧设置有穿绳孔，转动刀(3)拉杆的上侧与转动刀(3)的一端连接；
    拉簧(18)，拉簧(18)的一侧与转动刀(3)拉杆连接，拉簧(18)的另一侧与刀架(20)连接；
    转动刀(3)转轴，穿设在刀架(20)内，转动刀(3)的中部穿设在转动刀(3)转轴上；
    拉绳(5)的一个固定端固定在转盘罩(16)上后、穿过转动刀(3)拉杆上的穿绳孔，穿过转动刀(3)拉杆上的穿绳孔后的拉绳(5)缠绕在拉绳(5)转盘上，绕经拉绳(5)转盘后的拉绳(5)紧贴在所述伸缩杆外壁的凹槽内设置。
  7. 根据权利要求6所述的高枝剪，其特征在于：所述转盘罩(16)包括相互连接后内部具有拉绳(5)转盘空腔的上罩(16a)和下罩(16b)，下罩(16b)的下部设有套设在伸缩杆外壁的延伸下套管(16b-1)，所述拉绳(5)的一个固定端则固定在下罩(16b)上；上罩(16a)的上部设有套设转动刀(3)拉杆的延伸上套管(16a-1)，延伸上套管(16a-1)上部连接所述刀架(20)，或延伸上套管(16a-1)直接与所述刀架(20)一体成型为一体件，所述刀架(20)上与所述转动刀(3)刀刃部(3c)相对应的部位设置有凹形刀槽(20a)。
  8. 根据权利要求6或7所述的高枝剪，其特征在于，所连伸缩管伸缩杆包括上杆(1)和下杆(2)，上杆(1)的下端套设在下杆(2)的上端内，上杆(1)和下杆(2)均为空心管，所述下杆(2)的底部外套设底封管，底封管的底部设置有两个间隔设置的贯穿孔，所述上杆(1)的下端口内固定有拉绳(5)固定件；拉绳(5)一段紧贴在伸缩杆外壁的凹槽内设置后，分别穿过底封管底部的两个贯穿孔后继续延伸设置在上杆(1)和下杆(2)的内部，途径拉绳(5)固定件时，贯穿拉绳(5)固定件，拉绳(5)的一段在上杆(1)上端弯折后继续延伸设置在上杆(1)内部，并且拉绳(5)的另外一个固定端在拉绳(5)固定件上固定；伸缩杆内设置有能与伸缩杆同步伸缩的拉绳套管(23)，从伸缩杆底部向伸缩杆内部向伸缩杆顶部之间的一段拉绳(5)套设在拉绳套管(23)内。
  9. 根据权利要求8所述的高枝剪，其特征在于：所述底封管底部还套设有保护套(24)。
  10. 根据权利要求1所述的高枝剪，其特征在于；所述刀架(20)上还连接固定有切刀(4)，该切刀(4)至少部分刀刃上设置有锯齿。
PCT/CN2014/001055 2014-09-19 2014-11-27 一种高枝剪 Ceased WO2016041107A1 (zh)

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