CN108307768A - A kind of grass trimmer - Google Patents

A kind of grass trimmer Download PDF

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Publication number
CN108307768A
CN108307768A CN201810196367.3A CN201810196367A CN108307768A CN 108307768 A CN108307768 A CN 108307768A CN 201810196367 A CN201810196367 A CN 201810196367A CN 108307768 A CN108307768 A CN 108307768A
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CN
China
Prior art keywords
main body
handle mechanism
fork
activity
active joint
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.)
Granted
Application number
CN201810196367.3A
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Chinese (zh)
Other versions
CN108307768B (en
Inventor
李君涛
李朋喜
张进
周庆
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.)
Zhejiang YAT Electrical Appliance Co Ltd
Original Assignee
Zhejiang YAT Electrical Appliance 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 Zhejiang YAT Electrical Appliance Co Ltd filed Critical Zhejiang YAT Electrical Appliance Co Ltd
Priority to CN201810196367.3A priority Critical patent/CN108307768B/en
Publication of CN108307768A publication Critical patent/CN108307768A/en
Application granted granted Critical
Publication of CN108307768B publication Critical patent/CN108307768B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/001Accessories not otherwise provided for
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D75/00Accessories for harvesters or mowers
    • A01D75/20Devices for protecting men or animals

Landscapes

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

Abstract

The present invention relates to a kind of grass trimmers, belong to field of agricultural machinery, solve the problems, such as that the handle mechanism of grass trimmer causes cutting efficiency low, it includes main body to solve the problems, such as this technical solution mainly, the motor being arranged in main body, and the handle mechanism that is arranged in main body, the handle mechanism includes active joint, the handle mechanism is mounted on by active joint in main body, can front and back rotation and left rotation and right rotation relative to main body along handle mechanism described in cutting direction of advance by active joint realization;Advantages of the present invention:Handle mechanism is realized relative to rotation before and after main body by active joint and is rotated left and right, it allows an operator to select suitable handle mechanism relative to the angle of main body according to barrier, shorten the walking distance of operator, need not take a round further around barrier row could complete cutting, cutting efficiency is improved, and can prevent main body from being scratched by barrier.

Description

A kind of grass trimmer
Technical field
The present invention relates to a kind of grass trimmers.
Background technology
Hand-push type mower is as portable garden instrument, easy to operate because it is trimmed, convenient movement, and men and women is old It is few to can be used, it is applied extensively.Handle mechanism is even more important as the operating system of grass trimmer, directly affects cutting for operator Cut efficiency and safety and comfort degree;Common grip structure is usually double handle or U-shaped handle, convenient linear operating.
Hand-push type mower at present, it is cumbersome when around the cutting of the barriers such as tree, it needs to cut a circle around it, it is bothersome Arduously;When being cut around barriers such as wall side, corner, fence, because operator's distance is too close, often scratched by barrier;It is cutting It when cut edge Angle Position, needs first to cut road edge, turns around to cut another road edge again, it is also necessary to be modified, efficiency is low.
Invention content
The technical problem to be solved in the present invention is to provide a kind of grass trimmer, solving the handle mechanism of existing grass trimmer causes The low technical problem of cutting efficiency.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:A kind of grass trimmer, including master Body, the motor being arranged in main body, and the handle mechanism that is arranged in main body, the handle mechanism includes active joint, institute It states handle mechanism to be mounted in main body by active joint, be realized along handle described in cutting direction of advance by the active joint Mechanism can front and back rotation and left rotation and right rotation relative to main body.
Preferably, the active joint includes that activity connects fork and main shaft, and the activity connects fork and is arranged in main body, and opposite It front and back can be rotated in the main body, one end of the main shaft is connected with handle mechanism, and the other end and the activity of the main shaft connect fork Rotation connection, the main shaft are rotated left and right relative to active joint.
Preferably, the other end of the main shaft and activity are equipped with bearing between connecing fork, and the main shaft passes through bearing and activity Fork rotation connection is connect, and the main shaft is rotated left and right using main-shaft axis as rotation center relative to active joint.
Preferably, one end of the main shaft is equipped with the connecting tube of connection handle mechanism, and the other end of the main shaft is equipped with peace Fill the connecting shaft of bearing.
Preferably, the activity connects fork and is arranged in main body by clearance fit.
Preferably, it connects fork along activity described in cutting direction of advance and is equipped with rotary shaft, and one end of rotary shaft is equipped with rotation Boss, the rotation boss are arranged in main body.
Preferably, the main shaft is equipped with positive stop lug boss or spacer pin, and the activity connects fork and is equipped with limit rib, main shaft phase Pass through the rotation angle of positive stop lug boss or spacer pin and limit rib control handle mechanism when being rotated left and right for active joint.
Preferably, the activity connects fork and is equipped with gear slot, and the main body is equipped with gear part compatible with gear slot, The handle mechanism is caught in gear slot by gear part and is located in main body to realize.
Preferably, the gear part includes ball and elastic component, and the ball is arranged by elastic component in main body.
Preferably, safety switch is additionally provided in the main body, the safety switch is connected to the motor, and the activity connects on fork Eccentric side safety switch conducting equipped with triggering and disconnected.
In conclusion advantages of the present invention:1. by active joint realize handle mechanism relative to before and after main body rotation and It rotates left and right, allows an operator to select suitable handle mechanism to shorten operator's relative to the angle of main body according to barrier Walking distance, need not take a round further around barrier row could complete cutting, improve cutting efficiency, and can prevent main body quilt Barrier scratches;
2. active joint, which is arranged to activity, connects fork and main shaft, front and back rotation of the fork relative to main body is connect come band by activity The front and back rotation of dynamic handle mechanism, the left rotation and right rotation for driving handle mechanism is transferred by main shaft relative to active joint left-right rotary, It is simple in structure, it is easy for assemble or unload, it adjusts reliable;
3. the setting of bearing is conducive to the rotation that main shaft connects fork with activity, ensures the efficiency of main axis;
4. connecting tube can realize that handle mechanism is quickly fixed on main shaft, connecting shaft can realize that bearing forms one with main shaft A main body, simplifies mounting process, prevents falling off for bearing;
5. activity is connect fork is arranged to clearance fit with main body, energy realization activity connects fork and is quickly located in main body, has Fork is connect relative to the movable flexibility of main body or so conducive to activity;
6. the setting of rotary shaft, be conducive to activity connect fork relative to the main body can front and back rotation, simple in structure, rotation is convex The setting of platform is conducive to connect with main body, easy for assemble or unload;
7. the setting of positive stop lug boss and limit rib can effectively limit the angle that main shaft is rotated left and right relative to active joint Degree, to control the rotation angle of handle mechanism;
8. the setting of gear slot and gear part is caught in by gear part and realizes that handle mechanism is located in main body in gear slot On, the rotation of handle mechanism, improves the security performance when operation when can prevent work;
9. gear part is arranged to ball and elastic component, gear slot is caught in control ball by the compression to elastic component It is interior, it can guarantee that ball can be fast and accurately caught in gear slot, it is simple in structure;
10. the setting of safety switch realizes the work of motor by the energization of safety switch, control flexibility ratio is high, Activity connects the eccentric side of setting on fork, connects the front and back rotation of fork by activity to drive the change in location on eccentric side, to make bias The break-make of safety switch is realized on side, realizes that the conducting of safety switch, eccentric side are de- by contact of the eccentric side with safety switch The disconnection of safety switch is realized from safety switch, can realize the trouble free service of motor, improves grass trimmer using process In safety.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of grass trimmer of the present invention;
Fig. 2 is a kind of decomposition diagram of grass trimmer in Fig. 1;
Fig. 3 is the schematic diagram that handle mechanism is rotated left and right relative to main body in the present invention;
Fig. 4 is the structural schematic diagram that activity of the present invention connects fork;
Fig. 5 is the schematic diagram of grass trimmer obstacle object cutting shown in Fig. 1;
Fig. 6 is the handle mechanism schematic diagram that safety switch is disconnected at upright position in one of which embodiment;
Fig. 7 be grass trimmer shown in Fig. 1 handle mechanism in normal cutting position safety switch opened by eccentric side Schematic diagram;
Fig. 8 is the handle mechanism signal that safety switch is disconnected by eccentric side at upright position of grass trimmer shown in Fig. 1 Figure.
Reference numeral:
1 main body, 2 motors, 3 handle mechanisms, 4 active joints, 40 eccentric sides, 41 activities meet fork, 42 main shafts, 5 bearings, 43 companies Take over, 44 connecting shafts, 45 rotary shafts, 46 rotation boss, 47 positive stop lug boss, 48 limit ribs, 49 gear slots, 50 gear parts, 51 rolling Pearl, 52 elastic components, 6 safety switches
Specific implementation mode
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of grass trimmer, including main body 1, it is arranged in main body Motor 2 on 1, and the handle mechanism 3 of setting on the body 1, the handle mechanism 3 includes active joint 4, described mobile phone Structure 3 is installed on the body 1 by active joint 4, is realized along handle mechanism described in cutting direction of advance by the active joint 4 3 front and back can rotate and rotate left and right relative to main body 1, realize handle mechanism 3 relative to the front and back rotation of main body 1 by active joint 4 Turn and rotate left and right, allows an operator to select suitable handle mechanism 3 relative to the angle of main body 1 according to barrier, shorten behaviour The walking distance of author, need not take a round further around barrier row could complete cutting, improve cutting efficiency, and can prevent Main body 1 is scratched by barrier.
The active joint 4 connects fork 41 and main shaft 42 including activity, and the activity connects 41 setting of fork on the body 1, and phase For the main body 1 can front and back rotation, one end of the main shaft 42 is connected with handle mechanism 3, the other end of the main shaft 42 and Activity connects 41 rotation connection of fork, and the main shaft 42 is rotated left and right relative to active joint 4, and fork 41 is connect relative to main body by activity 1 front and back rotation drives the front and back rotation of handle mechanism 3, by main shaft 42 transfers drive relative to 4 left-right rotary of active joint The left rotation and right rotation of handle mechanism 3, it is simple in structure, it is easy for assemble or unload, it adjusts reliable.
The other end of the main shaft 42 and activity are equipped with bearing 5 between connecing fork 41, and the main shaft 42 passes through bearing 5 and activity 41 rotation connection of fork is connect, and the main shaft 42 is rotated left and right using 42 axis of main shaft as rotation center relative to active joint 4, favorably The rotation for connecing fork 41 with activity in main shaft 42 ensures that the efficiency that main shaft 42 rotates, one end of the main shaft 42 are equipped with connection handle The connecting tube 43 of mechanism 3, the other end of the main shaft 42 are equipped with the connecting shaft 44 of installation bearing 5, and connecting tube 43 can realize handle Mechanism 3 is quickly fixed on main shaft 42, and connecting shaft 44 can realize that bearing 5 forms a main body 1 with main shaft 42, simplify installation Technique prevents falling off for bearing 5.
The activity connects fork 41 and is arranged on the body 1 by clearance fit, and energy realization activity connects fork 41 and is quickly located in In main body 1, is conducive to activity and connects fork 41 relative to 1 or so movable flexibility of main body, connect along activity described in cutting direction of advance Fork 41 is equipped with rotary shaft 45, and one end of rotary shaft 45 is equipped with rotation boss 46, and the rotation boss 46 is arranged in main body 1 On, be conducive to activity connect fork 41 relative to the main body 1 can front and back rotation, it is simple in structure, rotate the setting of boss 46, be conducive to It is connect with main body 1, it is easy for assemble or unload.
In addition, the main shaft 42 is equipped with positive stop lug boss 47, the activity connects fork 41 and is equipped with limit rib 48,42 phase of main shaft It, can be effective by the rotation angle of 48 control handle mechanism 3 of positive stop lug boss 47 and limit rib when being rotated left and right for active joint 4 The angle that is rotated left and right relative to active joint 4 of limitation main shaft 42, to control the rotation angle of handle mechanism 3, this reality The positive stop lug boss 47 applied in example can be arranged to spacer pin, in order to simplify the mounting process of positive stop lug boss 47, in the present embodiment Positive stop lug boss 47 is an integral structure with main shaft 42.
The activity connects fork 41 and is equipped with gear slot 49, and the main body 1 is equipped with gear part compatible with gear slot 49 50, the handle mechanism 3 is caught in gear slot 49 to realize positioning on the body 1 by gear part 50, is caught in by gear part 50 It realizes that handle mechanism 3 positions the rotation of handle mechanism 3 when can prevent work on the body 1 in gear slot 49, improves operation When security performance, the gear part 50 include ball 51 and elastic component 52, the ball 51 by elastic component 52 be arranged in master On body 1, it is caught in gear slot 49 by the compression to elastic component 52 to control ball 51, can guarantee that ball 51 can be fast and accurately It is caught in gear slot, it is simple in structure.
In addition, in cutting process, according to barrier situation, cutting is turned up relative to 1 angle of main body in regulation handle mechanism 3 Efficiency, but exist when handle is when close to vertical direction, operator is close apart from cutting blade, in blade high speed operation, meeting Very big danger is brought, in order to improve safety, safety switch 6, the safety switch 6 and motor 2 are additionally provided in the main body 1 It is connected, the work of motor 2 is realized by the energization of safety switch 6, control flexibility ratio is high, and the activity, which connects fork 41 and is equipped with, touches The eccentric side 40 sent out the conducting of safety switch 6 and disconnected connects the front and back rotation of fork 41 to drive the position on eccentric side 40 by activity Variation, to make eccentric side 40 realize, the break-make of safety switch 6 passes through eccentric side when handle mechanism 3 is in cutting working condition 40 realize the conducting of safety switch 6 with the contact of safety switch 6, when rotating to dangerous angle with handle mechanism 3, eccentric side 40 are detached from safety switches 6 to realize that the disconnection of safety switch 6, motor 2 disconnect, and improve the safety of grass trimmer in use Property.
In addition to above preferred embodiment, the present invention also has other embodiments, those skilled in the art can be according to this Invention makes various changes and modifications, and without departing from the spirit of the present invention, should all belong to appended claims of the present invention and determine The range of justice.

Claims (10)

1. a kind of grass trimmer, including main body, the motor being arranged in main body, and the handle mechanism that is arranged in main body, it is special Sign is:The handle mechanism includes active joint, and the handle mechanism is mounted on by active joint in main body, by described Active joint, which is realized, front and back can rotate and rotate left and right relative to main body along handle mechanism described in cutting direction of advance.
2. a kind of grass trimmer according to claim 1, it is characterised in that:The active joint includes that activity connects fork and master Axis, the activity connect fork and are arranged in main body, and relative to the main body can front and back rotation, one end of the main shaft with mobile phone Structure is connected, and the other end and the activity of the main shaft connect fork rotation connection, and the main shaft is rotated left and right relative to active joint.
3. a kind of grass trimmer according to claim 2, it is characterised in that:The other end of the main shaft and activity connect between fork Equipped with bearing, the main shaft connects fork rotation connection by bearing and activity, and the main shaft is using main-shaft axis as rotation center phase Active joint is rotated left and right.
4. a kind of grass trimmer according to claim 3, it is characterised in that:One end of the main shaft is equipped with connection handle mechanism Connecting tube, the other end of the main shaft is equipped with the connecting shaft of installation bearing.
5. a kind of grass trimmer according to claim 2 or 3, it is characterised in that:The activity connects fork and is set by clearance fit It sets in main body.
6. a kind of grass trimmer according to claim 5, it is characterised in that:It connects along activity described in cutting direction of advance and is set on fork There is rotary shaft, and one end of rotary shaft is equipped with rotation boss, the rotation boss is arranged in main body.
7. a kind of grass trimmer according to claim 5, it is characterised in that:The main shaft is equipped with positive stop lug boss, the work The dynamic fork that connects is equipped with limit rib, passes through positive stop lug boss and limit rib control handle machine when main shaft is rotated left and right relative to active joint The rotation angle of structure.
8. a kind of grass trimmer according to claim 5, it is characterised in that:The activity connects fork and is equipped with gear slot, described Main body is equipped with gear part compatible with gear slot, and the handle mechanism is caught in gear slot by gear part and is located in realize In main body.
9. a kind of grass trimmer according to claim 8, it is characterised in that:The gear part includes ball and elastic component, institute Ball is stated by elastic component to be arranged in main body.
10. a kind of grass trimmer according to claim 2, it is characterised in that:Safety switch is additionally provided in the main body, it is described Safety switch is connected to the motor, and the activity connects the eccentric side that fork is equipped with triggering safety switch conducting and disconnection.
CN201810196367.3A 2018-03-09 2018-03-09 Mower Active CN108307768B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810196367.3A CN108307768B (en) 2018-03-09 2018-03-09 Mower

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CN108307768B CN108307768B (en) 2024-01-02

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466306A1 (en) * 1990-06-01 1992-01-15 Black & Decker Inc. Lawn mower
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JPH11239553A (en) * 1998-12-25 1999-09-07 Hitachi Ltd Vacuum cleaner and nozzle body
JP2002000035A (en) * 2000-06-26 2002-01-08 Ishikawajima Shibaura Mach Co Ltd Mower
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JP2008142072A (en) * 2006-11-13 2008-06-26 Planning Eight:Kk Shoulder-hanging type bush cutter for hillside
JP2008161952A (en) * 2006-12-27 2008-07-17 Nsk Ltd Spindle device and machining center using the same
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CN204272678U (en) * 2014-12-03 2015-04-22 湖州好山好水园林工程有限公司 Mower
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JP2016002427A (en) * 2014-06-19 2016-01-12 株式会社ジャパーナ Support structure of earmuff
CN205669788U (en) * 2016-06-02 2016-11-02 佛山市耀世照明电器有限公司 The switch of light fixture and curved surface fit structure
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WO2018034219A1 (en) * 2016-08-15 2018-02-22 ヤンマー株式会社 Forward/reverse movement switching device of agricultural machine
CN208175355U (en) * 2018-03-09 2018-12-04 浙江亚特电器有限公司 A kind of grass trimmer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466306A1 (en) * 1990-06-01 1992-01-15 Black & Decker Inc. Lawn mower
CN1131712A (en) * 1994-08-19 1996-09-25 重机公司 Loop device structure
JPH11239553A (en) * 1998-12-25 1999-09-07 Hitachi Ltd Vacuum cleaner and nozzle body
JP2002000035A (en) * 2000-06-26 2002-01-08 Ishikawajima Shibaura Mach Co Ltd Mower
JP2003009621A (en) * 2001-06-27 2003-01-14 Kioritz Corp Mower
JP2003265013A (en) * 2002-03-19 2003-09-24 Viv Engineering Kk Hand mower
JP2008142072A (en) * 2006-11-13 2008-06-26 Planning Eight:Kk Shoulder-hanging type bush cutter for hillside
JP2008161952A (en) * 2006-12-27 2008-07-17 Nsk Ltd Spindle device and machining center using the same
CN201019674Y (en) * 2007-01-31 2008-02-13 黄飞 Rotary joint for dust collector
CN101254082A (en) * 2007-02-28 2008-09-03 日立空调·家用电器株式会社 Electric driven vacuum cleaner
JP2016002427A (en) * 2014-06-19 2016-01-12 株式会社ジャパーナ Support structure of earmuff
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CN204272678U (en) * 2014-12-03 2015-04-22 湖州好山好水园林工程有限公司 Mower
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WO2018034219A1 (en) * 2016-08-15 2018-02-22 ヤンマー株式会社 Forward/reverse movement switching device of agricultural machine
CN208175355U (en) * 2018-03-09 2018-12-04 浙江亚特电器有限公司 A kind of grass trimmer

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* Cited by examiner, † Cited by third party
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柳伟;周锋;: "可旋转接头的设计和试验验证", 上海化工, no. 03, pages 16 - 20 *

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