WO2016127451A1 - Scie circulaire portative à double usage - Google Patents

Scie circulaire portative à double usage Download PDF

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Publication number
WO2016127451A1
WO2016127451A1 PCT/CN2015/073482 CN2015073482W WO2016127451A1 WO 2016127451 A1 WO2016127451 A1 WO 2016127451A1 CN 2015073482 W CN2015073482 W CN 2015073482W WO 2016127451 A1 WO2016127451 A1 WO 2016127451A1
Authority
WO
WIPO (PCT)
Prior art keywords
circular saw
hand
main handle
handle assembly
held dual
Prior art date
Application number
PCT/CN2015/073482
Other languages
English (en)
Chinese (zh)
Inventor
陈诗歌
宋希万
郭路华
Original Assignee
杭州鲁茨科技有限公司
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
Priority claimed from CN201520113032.2U external-priority patent/CN204466346U/zh
Priority claimed from CN201510084013.6A external-priority patent/CN105981600B/zh
Application filed by 杭州鲁茨科技有限公司 filed Critical 杭州鲁茨科技有限公司
Publication of WO2016127451A1 publication Critical patent/WO2016127451A1/fr

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Classifications

    • 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
    • A01G3/08—Other tools for pruning, branching or delimbing standing trees

Definitions

  • the present invention relates to a circular saw, and in particular to a hand-held circular saw having both functions.
  • the present invention provides a hand-held dual-purpose circular saw including a motor assembly, a cutting blade, a fixed shield fixedly coupled to the motor assembly, and the sleeve being a main handle assembly on a motor casing of the motor assembly, a combing plate and a movable shield on a cylinder coaxial with the cutting blade shaft on the motor assembly, wherein the hand-held dual-purpose disc The saw can be switched between the trim state and the saw state.
  • the main handle assembly is rotatable about the motor casing.
  • the combing plate and the movable shield can be rotated together about their mounting axis and the movable shield can also be When the comb board is fixed, the rotation is independently performed, and the operation mode switching is completed by respectively rotating the main handle assembly and the comb board.
  • the hand-held dual-use circular saw further includes a mode-synchronous conversion mechanism that associates the main handle assembly with the carding plate.
  • the cutting blade in the hand-held dual-purpose circular saw, when the hand-held dual-purpose circular saw is switched from a trimmed state to a sawing state, the cutting blade is made of a blade having less than 6 blades. Turned into a circular saw blade of 20 teeth or more, and when the hand-held dual-purpose circular saw is turned from the sawing state When the state is changed to the trim state, the cutting blade is changed from a circular saw blade of 20 teeth or more to a blade of less than 6 blades.
  • the movable protective cover and the combing plate are pulled together by a movable protective cover return spring to form a larger than Or equal to 360° occlusion area.
  • the rotation range of the main handle assembly reciprocally about the motor casing is 90°, and the main handle assembly is in its rotation range. The two extreme positions are clamped in the locked position with the clamping knob.
  • the combing plate rotates around the cylinder coaxial with the cutting blade shaft on the motor assembly to a range of 180°.
  • the combing plate has a screw hole post and a fixing knob, and the fixed end of the fixing shield is symmetrically opened in a diameter direction.
  • Two notch grooves the inside of the notch groove allowing the shaft of the fixing knob of the carding plate to enter, the groove of the notch groove being clamped and positioned along the fixing knob for the carding plate .
  • the shaft of the fixing knob enters the fixed shield.
  • the fixing knob is screwed, and the upper end surface of the screw hole post and the lower end surface of the fixing knob sandwich the groove of the notch groove, thereby Lock the position of the carding board.
  • the mode synchronous conversion mechanism is composed of one driving gear, one or two intermediate gears, one driven gear and one guiding wheel. composition.
  • the driving gear is an internal gear
  • the inner ring of the driving gear is provided with a guiding groove for guiding and guiding the guiding wheel
  • the driving gear The outer end surface is provided with a mounting interface fixedly coupled to the main handle assembly
  • the intermediate gear and the driven gear are external gears
  • the driven gear is concentric with the cutting blade shaft
  • the comb board is fixedly connected.
  • the gear ratio of the gear set of the mode synchronous conversion mechanism is 1:2, to satisfy the rotation of the main handle assembly by 90°.
  • the combing board is followed by a working requirement and operating requirement of 180° rotation.
  • the main handle assembly has a left half handle and a right half handle, one end of which is combined with a cylinder with an open slit, the cylinder being rotatable
  • the ground cover is assembled on the motor casing.
  • the hand-held dual-purpose circular saw there is a pre-tightening adjustment screw at the upper end and the lower end of the opening slit, and a clamping knob in the middle, in the pre-tightening adjustment screw
  • a pre-tightening adjustment screw at the upper end and the lower end of the opening slit
  • a clamping knob in the middle, in the pre-tightening adjustment screw
  • the hand-held dual-purpose circular saw provided by the invention, when both the sawing and the trimming work requirements are met in the actual work, the sawing and trimming can be conveniently carried out without the above-mentioned one tool. Will increase the economic burden and storage space.
  • 1A is a schematic view showing the operation of the hand-held dual-purpose circular saw of the present invention in a trimming working state
  • 1B is a schematic view showing the operation of the hand-held dual-purpose circular saw of the present invention in a sawing working state
  • FIG. 2 is a schematic structural view of a fixed protective cover of the hand-held dual-purpose circular saw of the present invention
  • FIG. 3 is a schematic view showing the operation of the combing plate and the movable protective cover of the hand-held dual-purpose circular saw of the present invention through the movable protective cover return spring;
  • Figure 4 is a schematic view showing the structure of the assembled main handle assembly of the hand-held dual-purpose circular saw of the present invention
  • Fig. 5 is a schematic view showing the structure of a mode synchronous conversion mechanism of the hand-held dual-purpose circular saw of the present invention.
  • the hand-held dual-purpose circular saw of the present invention is suitable for cutting workpieces made of materials such as wood, plastic, soft metal, etc., and is also capable of trimming shrubs, flowers, and the like by switching modes of work mode and replacing cutting blades.
  • Fig. 1A is a schematic view showing the operation of the hand-held dual-purpose circular saw of the present invention in a trimming operation state.
  • Fig. 1B is a schematic view showing the operation of the hand-held dual-purpose circular saw of the present invention in a sawing working state.
  • a hand-held dual-purpose circular saw that can perform both sawing and trimming operations.
  • a hand-held dual-purpose circular saw according to the present invention mainly comprises a motor assembly 1, a fixed shield 2, a movable shield 3, a carding board (also called a fixed shearing plate) 4, a main handle assembly 5 and a cutting blade 7 composition.
  • the motor assembly 1 includes an electric motor as a power source of the circular saw.
  • a cutting blade 7 for cutting a workpiece is mounted on the output shaft of the motor on one side of the motor assembly 1.
  • the cutting blade 7 may be a blade of less than 6 blades or a circular saw blade of 20 teeth or more.
  • the fixed shield 2 is fixedly coupled to the motor assembly 1.
  • the fixed shield 2 is substantially semi-circular. In order to clearly describe the various directions, the fixed shield 2 can be used as a reference (see below).
  • the movable shield 3 is also substantially semi-circular.
  • the combing board 4 also has a safety protection function.
  • the spacing between the teeth of the carding panel 4 shall be designed in accordance with the relevant safety regulations (for example, the GS standard requires less than 8 mm) in order to meet the requirements for safety protection during the trimming work.
  • the movable shield 3 is placed on the cylinder of the motor assembly 1 coaxial with the cutting blade shaft together with the combing plate 4, and can be rotated 180° around the cylinder.
  • FIG. 2 is a schematic view showing the structure of a fixed protective cover of the hand-held dual-purpose circular saw of the present invention.
  • the left end groove 21 and the right notch groove 22 are symmetrically provided on the open end of the fixed shield 2 in the left-right direction (diameter of the semicircle).
  • One surface of the fixed shield 2 is substantially U-shaped and the other surface is substantially semi-annular.
  • the left notch groove 21 and the right notch groove 22 are provided on a substantially U-shaped surface.
  • the substantially U-shaped surface of the fixed shield 2 is fixedly attached to the housing of the motor assembly 1 (which may also be integral with the housing).
  • FIG 3 is a schematic view showing the operation of the comb plate and the movable shield of the hand-held dual-purpose circular saw of the present invention through the movable guard return spring.
  • the movable shield 3 and the combing plate 4 are pulled together by the movable protective cover return spring 31 in a natural state, and the area enclosed by the two is ⁇ 360° (that is, an overlapping area is allowed).
  • a recess is provided in the movable shield 3, and when the movable shield 3 and the combing plate 4 are brought together, the screw post 41 or the fixed knob 42 (described later) on the combing plate 4 can be accommodated in the activity. Inside the recess of the shield 3.
  • the cutting blade can be completely shielded from the cutting blade edge together with the fixed shield 2 to achieve safety specifications.
  • the lower edge (exposed edge) of the movable shield 3 in the sawing state can be formed into a duckbill shape.
  • the cutting blade 7 and the movable shield 3 are abutted against the workpiece, and the reaction force of the workpiece pushes the movable shield 3 to rotate relative to the comb plate 4.
  • the extent to which the movable shield 3 is topped depends on the thickness or thickness of the workpiece to be sawed. If no workpiece abuts against the movable shield 3, the movable shield 3 automatically closes under the action of the elastic force.
  • the rotation of the combing plate will drive the movable protective cover to rotate together; and when the circular sawing blade is locked and the circular saw saws the workpiece, the movable protective cover can be Independently rotating independently of the comb board under the action of external force.
  • the combing plate 4 is provided with a threaded hole column 41.
  • the screw hole is provided with a fixing knob 42.
  • the shaft of the knob 42 is fixed.
  • the upper surface of the screw hole post 41 and the lower surface of the fixing knob 42 can be used to recess the notch
  • the groove of the groove 21 or 22 is clamped to secure the carding plate 4 in place.
  • FIG. 4 is a schematic view showing the structure of the assembled main handle assembly of the hand-held dual-purpose circular saw of the present invention.
  • the main handle assembly 5 includes a left half handle 51 and a right half handle 52, one end of which is combined with a cylinder with an open slit which can be fitted over the motor casing; at the upper end of the slit There is a pre-tightening adjustment screw 54 at the lower end and a clamping knob 53 in the middle. Under the action of the pre-tightening adjustment screw 54, the main handle assembly 5 can smoothly rotate around the motor casing. According to the design requirements, the range of rotation of the main handle assembly 5 is limited to 0 ° ⁇ 90 °, when turning to two end points (0 ° and 90 °), the clamping knob 53 can be tightened to compress the opening gap to the main handle The assembly 5 is clamped to the motor housing.
  • a cable jacket can be made inside the main handle assembly 5 to accommodate a power cable that supplies power to the motor assembly.
  • the hand-held dual-purpose circular saw of the present invention may further include a sub-handle 8 as shown in FIG. 1B, and the sub-handle 8 may be disposed along a radial direction (also referred to as a vertical radius direction) of the fixed shield 2 perpendicular to the diameter direction.
  • a radial direction also referred to as a vertical radius direction
  • the operator can hold the main handle assembly 5 with one hand while holding the sub-handle 8 with the other hand. In this case, the stability of the circular saw during operation can be improved.
  • Trimming operation state (Fig. 1A): (This state is set to the initial state, in the following description, the opening direction of the fixed shield 2 is defined as the front, and the operator's visual base point is located at the rear upper portion of the fixed shield 2)
  • the workpiece referred to herein may refer to branches or flowers of wood such as branches and shrubs.
  • the cutting blade is a blade with less than 6 blades; the main handle assembly 5 is located directly above and behind the fixed shield 2, the movable shield 3 is located inside the fixed shield 2, and the combing plate 4 is located in the fixed shield 2 Directly ahead.
  • the combing plate 4 and the fixed shield 2 together complete the safety protection of the blade.
  • the clamp knob 53 clamps the main handle assembly 5 in the vertical radial direction of the fixed shield 2.
  • the fixing knob 42 of the carding plate 4 fixes the carding plate 4 in the left notch groove 21 of the fixed shield 2.
  • the comb board 4 and the high-speed rotating blade can trim the branches or flowers like a hair clipper.
  • This working state corresponds to a thicker workpiece. If you want to saw a thicker branch, we can replace a blade with less than 6 blades with a dozens of circular saw blades and convert the dual-purpose circular saw into a sawing mode:
  • the mode conversion process is completed by rotating the carding plate and the main handle assembly separately, so that both the trimming and the sawing work can be completed.
  • the combing plate and the main handle assembly cannot form a synchronous linkage when the working mode is switched, the operation steps are increased, making the mode switching process cumbersome.
  • the hand-held dual-purpose circular saw in Embodiment 2 of the present invention is different from the hand-held dual-purpose circular saw in Embodiment 1 in that a mode-synchronous conversion mechanism 6 can also be included.
  • Fig. 5 is a schematic view showing the structure of a mode synchronous conversion mechanism of the hand-held dual-purpose circular saw of the present invention.
  • the mode synchronizing conversion mechanism 6 is composed of a driving gear 61, one or two intermediate gears 62, a driven gear 63 and a guide wheel 64.
  • the driving gear 61 of the mode synchronous conversion mechanism 6 is an internal gear.
  • the inner ring of the driving gear 61 is provided with a guiding groove 611 for guiding and guiding the guiding wheel.
  • the outer end surface of the driving gear 61 is fixedly connected with the main handle assembly 5.
  • the mounting interface 612; the intermediate gear 62 and the driven gear 63 are external gears, and the driven gear 63 is concentric with the combing plate 4 and fixedly coupled together.
  • the guide wheel 64 is a rolling bearing for easy rolling in the guide groove.
  • This mode synchronous switching mechanism can reduce the mode switching step by rotating the main handle assembly to drive the movable shield and the card to rotate together.
  • the gear ratio of the gear set is designed to be 1:2, which ensures that the movable handle 3 and the combing plate 4 are rotated by 180° after the main handle is rotated by 90° to reach the position required for the work and the main handle Easy to operate.
  • Trimming working state (Fig. 1A): (This state is set to the initial state.
  • the opening direction of the fixed shield is defined as the front, and the operator's visual base point is located at the rear upper part of the fixed guard)
  • the cutting blade is a blade with less than 6 blades; the main handle assembly 5 is located directly above and behind the fixed shield 2, the movable shield 3 is located inside the fixed shield 2, and the combing plate 4 is located in the fixed shield 2 Directly ahead.
  • the combing plate 4 and the fixed shield 2 together complete the safety protection of the blade.
  • the clamp knob 53 clamps the main handle assembly 5 in the vertical radial direction of the fixed shield 2.
  • the fixing knob 42 of the carding plate 4 fixes the carding plate 4 in the left notch groove 21 of the fixed shield 2.
  • the combing plate 4 and the blade 7 which is rotated at a high speed can trim the branches like a hair clipper.
  • the mode synchronizing conversion mechanism since the mode synchronizing conversion mechanism is installed in the hand-held dual-purpose circular saw, the mode synchronizing conversion mechanism generates a linkage effect during the operation mode switching.
  • the mode switching process can be completed without separately rotating the comb plate and the main handle assembly, so that both the trimming and the sawing work can be performed more efficiently.
  • the hand-held dual-purpose circular saw has no mode-synchronous conversion mechanism 6, there is no restriction on the order in which the main handle assembly 5 is rotated relative to the motor casing and the carding plate 4 is rotated relative to the fixed shield 2, the operator You can choose according to your own operating habits.
  • the main handle assembly 5 should be rotated relative to the motor casing while rotating the carding plate 4 relative to the fixed shield 2.
  • the sawing state can also be used as the initial state of the circular saw, and the circular saw can be freely converted between the two states.
  • the present invention is not limited thereto. Any structure may be employed as long as the structure can rotate the movable cowl 3 together with the carding plate 4 and the shield 3 can be independently rotated with the carding plate 4 fixed.
  • a multi-position latch structure can be used between the movable shield 3 and the combing plate 4.
  • mode synchronous conversion mechanism is described above as using gear transmission, the present invention is not limited thereto. herein.
  • a belt drive or the like can also be used as the transmission between the carding plate and the main handle assembly.
  • the circular saw can only be activated when the main handle assembly 5 and the combing plate 4 each reach their extreme position.
  • a microswitch can be provided at the extreme positions of the main handle assembly 5 and the combing plate 4 described above to prevent the machine from being activated without the main handle assembly or the combing plate being in place.
  • the sub-handle 8 in each embodiment of the present application can be mounted on the motor casing or the bracket when the circular saw is trimmed, or can be mounted on the motor casing or bracket when the circular saw is converted into the sawing mode. on.

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Knives (AREA)

Abstract

La présente invention concerne une scie circulaire portative à double usage, comportant un ensemble moteur (1), une lame de coupe (7), un capot de protection fixe (2), un ensemble poignée principal, (5) et un peigne de branchement (4) et un couvercle de protection mobile (3), disposé coaxialement par rapport à la lame de coupe (7); la scie circulaire portative à double usage est capable de commuter entre un état d'élagage et un état de sciage, permettant l'exécution de sciage et d'élagage sans accroître le coût financier ou l'espace de rangement requis.
PCT/CN2015/073482 2015-02-15 2015-03-02 Scie circulaire portative à double usage WO2016127451A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201510084013.6 2015-02-15
CN201520113032.2 2015-02-15
CN201520113032.2U CN204466346U (zh) 2015-02-15 2015-02-15 手持式两用圆盘锯
CN201510084013.6A CN105981600B (zh) 2015-02-15 2015-02-15 手持式两用圆盘锯

Publications (1)

Publication Number Publication Date
WO2016127451A1 true WO2016127451A1 (fr) 2016-08-18

Family

ID=56614093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/073482 WO2016127451A1 (fr) 2015-02-15 2015-03-02 Scie circulaire portative à double usage

Country Status (1)

Country Link
WO (1) WO2016127451A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109463112A (zh) * 2017-09-08 2019-03-15 永康市倍力工具有限公司 一种棕榈枝的切割装置
CN109699328A (zh) * 2019-03-11 2019-05-03 西华大学 一种手持式剔枝修剪装置
CN114474417A (zh) * 2022-02-14 2022-05-13 中国十七冶集团有限公司 一种水电开槽器的施工方法
CN114651620A (zh) * 2022-04-09 2022-06-24 江西贝加尔河生态农业发展有限公司 一种用于果树树杈的修剪装置及其修剪方法
CN116114488A (zh) * 2023-01-06 2023-05-16 宁波创跃园林工具有限公司 一种修枝机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5706874A (en) * 1997-02-03 1998-01-13 Ryobi North America Biscuit joiner
EP0993919A2 (fr) * 1998-10-07 2000-04-19 Neil Refson Outil universel motorisé portatif
FR2878122A1 (fr) * 2004-11-24 2006-05-26 Didier Andelfinger Perfectionnements aux machines de coupe pour la taille ou pre-taille de vignes
CN101213918A (zh) * 2008-01-15 2008-07-09 李爱良 剪草修枝剪
CN101548608A (zh) * 2009-05-16 2009-10-07 永康市正大实业有限公司 草坪和灌木双用圆盘剪

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5706874A (en) * 1997-02-03 1998-01-13 Ryobi North America Biscuit joiner
EP0993919A2 (fr) * 1998-10-07 2000-04-19 Neil Refson Outil universel motorisé portatif
FR2878122A1 (fr) * 2004-11-24 2006-05-26 Didier Andelfinger Perfectionnements aux machines de coupe pour la taille ou pre-taille de vignes
CN101213918A (zh) * 2008-01-15 2008-07-09 李爱良 剪草修枝剪
CN101548608A (zh) * 2009-05-16 2009-10-07 永康市正大实业有限公司 草坪和灌木双用圆盘剪

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109463112A (zh) * 2017-09-08 2019-03-15 永康市倍力工具有限公司 一种棕榈枝的切割装置
CN109699328A (zh) * 2019-03-11 2019-05-03 西华大学 一种手持式剔枝修剪装置
CN114474417A (zh) * 2022-02-14 2022-05-13 中国十七冶集团有限公司 一种水电开槽器的施工方法
CN114474417B (zh) * 2022-02-14 2023-09-29 中国十七冶集团有限公司 一种水电开槽器的施工方法
CN114651620A (zh) * 2022-04-09 2022-06-24 江西贝加尔河生态农业发展有限公司 一种用于果树树杈的修剪装置及其修剪方法
CN116114488A (zh) * 2023-01-06 2023-05-16 宁波创跃园林工具有限公司 一种修枝机
CN116114488B (zh) * 2023-01-06 2024-03-08 宁波创跃园林工具有限公司 一种修枝机

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