CN101720631B

CN101720631B - Hedge trimmer

Info

Publication number: CN101720631B
Application number: CN200910004769XA
Authority: CN
Inventors: 陆颂荫
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-23
Filing date: 2009-02-23
Publication date: 2011-08-24
Anticipated expiration: 2029-02-23
Also published as: CN101720631A

Abstract

The invention discloses a hedge trimmer, which comprises a main handle 36, an auxiliary handle 35, a power interface 38 arranged on a motor positioning disc 47, blade components, and a motor with a stator and a rotor. The motor comprises a shell stator 44, the rotor arranged in the shell stator 44, and a main shaft 1, wherein the upper side and lower side of the shell stator 44 are fixedly provided with an upper cover 42 and a lower cover 46; and an adjusting device capable of adjusting the motor speed are arranged in a shell 20 of the rotor. The adjusting device comprises a speed governing device, a planetary gear mechanism and clutch mechanisms, wherein the speed governing device is arranged on the main shaft 1 of the motor; the planetary gear mechanism is arranged in the middle in the shell 20; and the clutch mechanisms are arranged on the left and right sides of the planetary gear mechanism respectively. The hedge trimmer can adjust the trimming speed according to the branch conditions of the plants such as hedges, bushes, or stiff stems, and the like.

Description

Hedgeclipper

Technical field

The present invention relates to a kind of cutting implement of gardening special use, specifically is a kind of hedgeclipper that can prune and repair for branch, shrub or hedge etc.

Background technology

Hedgeclipper is used for pruning hedgerow or prunes dwarf thicket or hard stem plant, and hedgeclipper is generally by internal combustion engine or motor driven.The general structure of hedgeclipper comprises casing, driving mechanism, transmission mechanism, main handle, auxiliary-handle and the critical pieces such as blade assembly that are connected with transmission mechanism; Described driving mechanism is installed in the casing, and driving mechanism drives the outer blade of casing by transmission mechanism and moves, and comes hedgerow, dwarf thicket or hard stem plant are pruned with this.

There is following shortcoming in the electric hedge shears of prior art: because motor can only drive with single rotating speed, in the middle of the practice following problem can appear: when the branch of plants such as the hedgerow that will prune, dwarf thicket or hard stem is harder, this just needs the low-rotate speed of hedgeclipper, otherwise may make blade breakages and dangerous; When the branch of plants such as the hedgerow that will prune, dwarf thicket or hard stem is softer or closeer, this just needs the high rotating speed of hedgeclipper, increase work efficiency with this, but electric hedge shears can not carry out the adjusting of speed speed according to the branch situation of plants such as hedgerow, dwarf thicket or hard stem.

Summary of the invention

The technical problem to be solved in the present invention is, a kind of hedgeclipper that can carry out the adjusting of speed speed according to the branch situation of plants such as hedgerow, dwarf thicket or hard stem is provided.

Technical scheme of the present invention is, a kind of hedgeclipper with following structure is provided, and comprises main handle, auxiliary-handle and is installed in power interface, the blade assembly on the motor positioning disk and has stator and the motor of rotor; Described motor comprises the shell stator, is arranged on rotor and main shaft in the shell stator; The both sides up and down of described shell stator fixedly install upper-cover and following cover; Described main shaft is put on the endoporus and the following cover of cover, rotor successively; The inwall of described shell stator is provided with the coil of band silicon steel sheet; The hull outside of described rotor is provided with kicker magnet, is provided with the adjusting device that can regulate motor speed in the housing of described rotor, and described adjusting device comprises speed adjusting gear, planetary gears and clutch; Described speed adjusting gear is located on the main shaft of motor, and described planetary gears is located at the centre in the housing, and described clutch is located at the left and right sides of planetary gears.

After adopting above structure, the present invention compared with prior art, have the following advantages: because under the cooperatively interacting of planetary gear mechanism, clutch and speed adjusting gear, hedgeclipper of the present invention can be regulated three kinds of speed of output, thereby make hedgeclipper produce fast, in, slow three kinds of speed, therefore make the operator carry out the adjusting of speed speed, improved the safety and the operating efficiency of operation according to the branch situation of plants such as hedgerow, dwarf thicket or hard stem.

Description of drawings

Accompanying drawing 1 is the structural representation of hedgeclipper of the present invention.

Accompanying drawing 2 is the motor rotor construction schematic diagram of hedgeclipper of the present invention.

As shown in the figure: 1, main shaft, 2, bearing, 3, last sour jujube seat, 4, last very heavy axle, 5, very heavy spring, 6, last long very heavy, 7, last short very heavy, 8, go up outer sour jujube circle, 9, last inner spinous ring, 10, planet carrier, 11, gear ring, 12, the planet pin, 13, planetary gear, 14, down outer sour jujube circle, 15, following inner spinous ring, 16, long very heavy down, 17, short down very heavy, 18, very heavy down axle, 19, kicker magnet, 20, housing, 21, steel ball, 22, capping, 23, following sour jujube seat, 24, bearing, 25, nut, 26, nut, 27, last speed governing cover, 28, pin up and down, 29, sun gear, 30, last lower push-rod, 31, following speed governing cover, 32, spring, 33, screw, 34, the flange rotating disk, 35, auxiliary-handle, 36, main handle, 37, speed-regulating switch, 38, power interface, 39, last stator, 40, following stator, 41, blade, 42, upper-cover, 43, silicon steel sheet, 44, the shell stator, 45, coil, 46, following cover, 47, the motor positioning disk, 48, last tooth plate, 49, lower tooth plate, 50, nut.

Embodiment

The invention will be further described below in conjunction with the drawings and specific embodiments.

As shown in Figure 1 and Figure 2, hedgeclipper of the present invention comprises main handle 36, auxiliary-handle 35 and is installed in power interface 38, the blade assembly on the motor positioning disk 47 and has stator and the motor of rotor; Described main handle 36 be installed in motor on, described auxiliary-handle 35 is installed on the blade assembly.Described motor comprises shell stator 44, is arranged on rotor and main shaft 1 in the shell stator 44; The both sides up and down of described shell stator 44 are fixed with upper-cover 42 and following cover 46, form an enclosed construction; Described main shaft 1 is put on the endoporus and the following cover 46 of cover 42, rotor successively, and the upper end of described main shaft 1 is fixedly connected in the through hole of upper-cover 42 with nut 26 and nut 50, and the lower end of this main shaft 1 screws with nut 25; The inwall of described shell stator 44 is provided with the coil 45 of band silicon steel sheet 43; Described rotor case 20 outsides are provided with kicker magnet 19.Be provided with the adjusting device that can regulate motor speed in the housing 20 of described rotor, described adjusting device comprises speed adjusting gear, planetary gears and clutch; Described speed adjusting gear is located on the main shaft 1 of motor, and described planetary gears is located at the centre in the housing 20, and described clutch is located at the left and right sides of planetary gears.

Described speed adjusting gear comprises screw 33, spring 32, speed-regulating switch 37, last lower push-rod 30, pin 28, last speed governing cover 27 and following speed governing overlap 31 up and down; Described screw 33 is threaded with the lower end of main shaft 1, described spring 32 is located in the main shaft 1 and offsets with the upper end of screw 33, described main shaft 1 is provided with two through holes up and down, described through hole is a long waist shaped up and down, described pin 28 up and down passes the front and back through hole respectively and is pressed on speed governing cover 27 and the following speed governing cover 31, thereby speed governing cover 27 and following speed governing cover 31 slide up and down in through hole in the qualification, reach the purpose of governing speed, the front end of last speed governing cover 27 and following speed governing cover 31 all is the cone-shaped structure.Described speed-regulating switch 37 is located at an end of upper-cover 42, and an end of speed-regulating switch 37 and main shaft 1 offset, and regulates last lower push-rod 30 in the middle of the main shaft 1 with this.

Described planetary gears comprises sun gear 29, planetary gear 13, planet carrier 10, planet pin 12, gear ring 11; Described sun gear 29 is fixed on the main shaft 1, and described planetary gear 13 is contained on the planet pin 12 and connects movingly, described planet pin 12 and planet carrier 10 close-fittings, and described planetary gear 13 is meshed with central gear 29 and gear ring 11 respectively; All there is Baltimore groove described gear ring 11 and planet carrier 10 both sides.

Described clutch comprises capping 22, go up sour jujube seat 3 and following sour jujube seat 23, go up inner spinous ring 9 and following inner spinous ring 15, go up outer sour jujube circle 8 and down outer sour jujube circle 14, upward long very heavy 6 and long down very heavy 16, upward short very heavy 7 and very heavy 17, last very heavy 4 and following very heavy 18 of weak point, upper bearing (metal) 2 and lower bearing 24, steel ball 21 down; The front end of the shell 20 of described rotor and capping 22 interference fit, rotor case 20 can be rotated and non-slip with capping 22, capping 22 is rotationally connected by steel ball 21 and following sour jujube seat 23, and the rear end of the shell 20 of described rotor is threaded with last sour jujube seat 3, the processing of sour jujube seat 3 and installation on the convenience.Be equipped with long very heavy 6 and the last very heavy axle 4 of last weak point very heavy 7 be fixed in the sour jujube seat 3, be equipped with down long very heavy 16 and down following very heavy 18 of weak point very heavy 17 be fixed on down in the sour jujube seat 23; Last sour jujube seat 3, on long very heavy 6, on very heavy spring 5 is housed between short very heavy 7, sour jujube seat 23 down, down long very heavy 16, between short very heavy 17 very heavy spring 5 is housed down, described very heavy spring 5 can make that length is very heavy axially outwards to be flicked around very heavy axle; Last sour jujube seat 3 and following sour jujube seat 23 are rotatably connected with main shaft 1 by bearing 2 and bearing 24 and are meant, the upper end close-fitting of the inner ring of described bearing 2 and main shaft 1 and outer ring and last sour jujube seat 3 close-fittings, the lower end close-fitting of the inner ring of described bearing 24 and main shaft 1 and outer ring and following sour jujube seat 23 close-fittings.Described inner spinous ring 9 and the following inner spinous ring 15 gone up is contained in respectively in outer sour jujube circle 8 and the down outer sour jujube circle 14 and is meant, describedly goes up inner spinous ring 9 and last outer sour jujube is enclosed 8 interlocks or relieving, described under inner spinous ring 15 and following outer sour jujube enclose 14 interlocks or relieving.Describedly long very heavy 6 and enclose 8 interlocks or relieving with last outer sour jujube, described short very heavy 7 with last inner spinous ring 9 interlocks or relieving, described down long very heavy 16 with following inner spinous ring 15 interlocks or relieving, described down short very heavy 17 and following outer sour jujube enclose 14 interlocks or relieving; Describedly go up outer sour jujube circle 8, go up inner spinous ring 9, down outer sour jujube encloses 14, all have projection on the end face of following inner spinous ring 15.

The left and right sides that described clutch is located at planetary gears is meant, the mutual interlock of Baltimore groove that projection that all has on the end face of described inside and outside up and down sour jujube circle 8,9,14,15 and gear ring 11 and planet carrier 10 both sides all have, that is to say, upward outer sour jujube circle 8 and the projection of down outer sour jujube circle 14 and the Baltimore groove interlock or the relieving of gear ring 11, last inner spinous ring 9 and of Baltimore groove interlock or the relieving of following inner spinous ring 15 with planet carrier 10.

Described blade assembly comprises upper mounted plate 39 and bottom plate 40, go up tooth plate 48 and lower tooth plate 49, blade 41; Described upper mounted plate 39 is connected with motor positioning disk 47 by screw with bottom plate 40, described upward tooth plate 48 and lower tooth plate 49 are located between upper mounted plate 39 and the bottom plate 40 and link to each other and be meant, the described tooth plate 48 of going up is fixed with upper mounted plate 39, described lower tooth plate 49 is fixing with bottom plate 40, described blade 41 is located between tooth plate 48 and the lower tooth plate 49, described blade 41 is connected with main shaft 1 by flange rotating disk 34 and is meant, the centre bore close-fitting of described main shaft 1 and flange rotating disk 34, described blade 41 is connected with the bolt hole of flange rotating disk 34, when main shaft 1 is rotated, by eccentric bolt pore area knife section 41 side-to-side movements of flange rotating disk 34.

Operation principle of the present invention is: behind electrical power, kicker magnet 19 outside magnetic field that the winding electric current produces on the silicon steel sheet 43 of its shell stator 44 inwalls and the rotor case 20 interacts, thereby make rotor rotation, and rotate with rotor case 20 fixedly connected last sour jujube seats 3, by speed-regulating switch 37, lower push-rod 30 is shunk up and down, speed governing cover 27 overlaps 31 in different positions with following speed governing in the promotion, be enclosed within the different positions and the effect of planetary gears according to speed governing, make that length is very heavy to change, thereby reach in various degree slow of down sour jujube seat 23 outputs, in, fast three kinds of rotating speeds are delivered on the blade 41 by flange rotating disk 34 again.Under the effect of very heavy spring 5, during the interlock of very heavy and sour jujube circle, the sour jujube circle is rotated, but when the opposite spin of sour jujube circle not transmission speed and power, thereby the generation skidding; When very heavy and sour jujube circle were decontroled, the sour jujube circle was surveyed and can not be rotated, and also can produce skidding.When last speed governing cover 27 and following speed governing cover 31 be in two through hole bottom the time, upward long very heavy 6 enclose 8 interlocks with last outer sour jujube, following long very heavy 16 with following inner spinous ring 15 interlocks, be at this moment grade rotating speed slowly; When last speed governing cover 27 and following speed governing cover 31 are in two through hole middle, upward long very heavy 6 with last outer sour jujube circle 8 relievings, following long very heavy 16 and following inner spinous ring 15 interlocks, be middle-grade rotating speed at this moment; When last speed governing cover 27 and following speed governing overlap 31 when being in the top of two through hole, upward long very heavy 6 decontrol with last outer sour jujube circle 8, following long very heavy 16 decontrol with following inner spinous ring 15, are at this moment grade rotating speed soon.Slowly, in, the concrete drive connection of fast third gear is as follows:

1, the transmission of slow shelves: when last speed governing cover 27 and following speed governing overlap 31 be in two through hole bottom the time, sour jujube seat 3 rotates together in the drive of energising back rotor case 20, last length very heavy 6 is enclosed 8 interlocks with last outer sour jujube, last weak point very heavy 7 is decontroled with last inner spinous ring 9 and is skidded, thereby the last very heavy axle 4 that is fixed in the sour jujube seat 3 is rotated, last very heavy axle 4 is gone up outer sour jujube circle 8 by the last length very heavy 6 and the interlock drive of last outer sour jujube circle 8 simultaneously and is rotated, the Baltimore groove interlock of enclosing the projection of 8 end faces and gear ring 11 by last outer sour jujube is rotated gear ring 11 then, the rotation of gear ring 11 drives the rotation of planetary gear 13, and this long at present very heavy 16 with following inner spinous ring 15 interlocks, short down very heavy 17 enclose 14 interlocks with outer sour jujube down, but because very heavy effect, down outer sour jujube circle 17 skids, and inner spinous ring 15 rotates down, makes planet carrier 10 do deceleration transmission, and following sour jujube seat 23 is done slow shelves and rotated, by 34 transmissions of flange rotating disk, make blade 41 microinchings again.

2, middle-grade transmission: when last speed governing cover 27 and following speed governing overlap 31 when being in two through hole middle, sour jujube seat 3 rotates together in the drive of energising back rotor case 20, last long very heavy 6 enclose 8 with last outer sour jujube decontrols, going up outer sour jujube circle 8 skids, last weak point very heavy 7 and last inner spinous ring 9 interlocks, by the projection of last inner spinous ring 9 end faces and the Baltimore groove interlock of planet carrier 10 planet carrier 10 is rotated then, and this long at present very heavy 16 with following inner spinous ring 15 interlocks, short down very heavy 17 with down outer sour jujube circle 14 relievings, but because very heavy effect, down outer sour jujube circle 14 skids, and inner spinous ring 15 rotates down, makes planetary gear 13 do rotation and revolution, and following sour jujube seat 23 is done equal rotation, by 34 transmissions of flange rotating disk, make the motion of blade 41 middling speeds again.

3, fast shelves transmission: when last speed governing cover 27 is in the top of two through hole with following speed governing cover 31, sour jujube seat 3 rotates together in the drive of energising back rotor case 20, last long very heavy 6 enclose 8 with last outer sour jujube decontrols, going up outer sour jujube circle 8 skids, last weak point very heavy 7 and last inner spinous ring 9 interlocks, by the projection of last inner spinous ring 9 end faces and the Baltimore groove interlock of planet carrier 10, planet carrier 10 is rotated then.And this long at present very heavy 16 with following inner spinous ring 15 relievings, short down very heavy 17 enclose 14 interlocks with outer sour jujube down, but because very heavy effect, down outer sour jujube circle 14 skids, and inner spinous ring 15 rotates down, makes planetary gear 13 do rotation and revolution, makes down sour jujube seat 23 do fast shelves and rotates, by 34 transmissions of flange rotating disk, make blade 41 rapid movements again.

Claims

1. hedgeclipper comprises main handle (36), auxiliary-handle (35) and is installed in power interface (38), the blade assembly on the motor positioning disk (47) and has stator and the motor of rotor; Described motor comprises shell stator (44), is arranged on described rotor and main shaft (1) in the shell stator (44); The both sides up and down of described shell stator (44) are fixed with upper-cover (42) and following cover (46); Described main shaft (1) is put on the endoporus and the following cover (46) of cover (42), rotor successively; The inwall of described shell stator (44) is provided with the coil (45) of band silicon steel sheet (43); The housing of described rotor (20) outside is provided with kicker magnet (19), it is characterized in that: be provided with the adjusting device that can regulate motor speed in the housing of described rotor (20), described adjusting device comprises speed adjusting gear, planetary gears and clutch; Described speed adjusting gear is located on the main shaft (1) of motor, and described planetary gears is located at the centre in the housing (20), and described clutch is located at the left and right sides of planetary gears; Described speed adjusting gear comprises screw (33), spring (32), speed-regulating switch (37), goes up lower push-rod (30), pin (28), speed governing cover (27,31) up and down up and down; Described screw (33) is connected with the threaded one end of main shaft (1), described spring (32) is located in the main shaft (1) and offsets with an end of screw (33), described main shaft (1) is provided with two through holes up and down, described up and down pin (28) passes speed governing cover (27 about lower through-hole is pressed into this on respectively, 31) on, described speed-regulating switch (37) is located at an end of upper-cover (42); Described planetary gears comprises sun gear (29), planetary gear (13), planet carrier (10), planet pin (12), gear ring (11); Described sun gear (29) is fixed on the main shaft (1), described planetary gear (13) is contained in planet pin (12) and upward and movingly connects, described planet pin (12) and planet carrier (10) close-fitting, described planetary gear (13) is meshed with sun gear (29) and gear ring (11) respectively; All there is Baltimore groove described gear ring (11) and planet carrier (10) both sides; Described clutch comprises capping (22), sour jujube seat (3,23), inner spinous ring (9,15), outer sour jujube circle (8 up and down up and down up and down, 14), long up and down very heavy (6,16), short very heavy (7,17), very heavy axle (4 up and down up and down, 18), metal (upper (2,24), steel ball (21); The lower end of described rotor case (20) and capping (22) interference fit, capping (22) is rotationally connected by steel ball (21) and following sour jujube seat (23), the rear end of described rotor case (20) is threaded with last sour jujube seat (3), be equipped with up and down and grow very heavy (6,16) and up and down lack very heavy (7,17) very heavy up and down axle (4,18) be separately fixed at sour jujube seat (3 up and down, 23) in, in last sour jujube seat (3) and last length very heavy (6), down between short very heavy (7) and at sour jujube seat (23) and long very heavy (16) down down, between short very heavy (17) very heavy spring (5) is housed respectively down, the sour jujube seat (3 up and down, 23) by bearing (2,24) be rotatably connected with main shaft (1), described inner spinous ring (9 up and down, 15) be contained in respectively in the outer up and down sour jujube circle (8,14), and go up inner spinous ring (9), go up outer sour jujube circle (8), following inner spinous ring (15), all has projection on the end face of down outer sour jujube circle (14).

2. hedgeclipper according to claim 1, it is characterized in that: described blade assembly comprises bottom plate (39,40), goes up lower tooth plate (48,49), blade (41), the described bottom plate (39 of going up, 40) be connected with the motor positioning disk, the described lower tooth plate (48,49) of going up is located at bottom plate (39,40) also link to each other between, described blade (41) is located between the lower tooth plate (48,49), and described blade (41) is connected with main shaft (1) by flange rotating disk (34).