CN205584797U

CN205584797U - Electric mower's structure

Info

Publication number: CN205584797U
Application number: CN201620345925.4U
Authority: CN
Inventors: 方明聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-22
Filing date: 2016-04-22
Publication date: 2016-09-21
Anticipated expiration: 2026-04-22

Abstract

The utility model provides an electric mower's structure, , which includes, carrier seat has opening slot part up, the stock extends in one side of carrier seat on to one side, the motor holds with a base to be established at the slot part and is located carrier seat, be equipped with stator and rotor on the base, the stator is with an iron core around establishing plural coil, rotor ring has plural magnet week, a pivot combines at the center at rotor top and down passes the stator and the two center of base, rotor and coil stimulate magnetism and can be driven rotatoryly, the pivot is rotated along with the rotor that combines, the pivot is down stretched and is established the following to carrier seat, a grass mower locates the combination section of pivot with a shaft hole cover below carrier seat, and the butt is in locating washer after -fixing in pivot, and can be rotatory with the action of mowing by motor drive, and with operation ware and a controller electric connection motor with the control motor, constitute with this according to the automatic silicon steel sheet leveling machine of the transformer. The utility model discloses be difficult for causing damage, easily motor heat dissipation to the motor to the safety in utilization of multiplicable lawn mower.

Description

The structure of power-operated mower

Technical field

This utility model is about the structure of a kind of power-operated mower, a kind of utensil for mowing.

Background technology

As it is shown in fig. 7, be conventional power-operated mower, comprising: a motor 92 is located at load seat 91 times, Motor 92 has pedestal 920, rotor 921 and stator 922, carries seat 91 in the pedestal of bottom fixing motor 92 920, rotating shaft 94 wears motor 92 stator 922 center via pedestal 920, be combined with rotor 921 again to Downward stretching as adapter section, the blade 93 of mowing is then fixed on motor 92 rotor 921 body, should Rotor 921 body is remote from carrying the other end of seat 91, by the hand-held stock of user 95 during use, and starts Motor 92 and driven blade 93 to rotate by rotating shaft 94, to carry out the action mowed.

But, conventional power-operated mower has the problem that

1, above-mentioned conventional power-operated mower, the bearing at rotating shaft 94 two ends is respectively provided at the pedestal of motor 92 920 downwardly extend in fixing stator 922, away from the rotating shaft 94 of pedestal 920 other end with pedestal 920 Merging extension with rotor 921 bulk junction and expose for adapter section, blade 93 is then fixed on away from pedestal 920 On rotor 921 body, when blade 93 is driven by motor 92 and rotates, though rotating shaft 94 other end has Bearings rotor 921 in motor 92 stator 922, but carry and have a motor between seat 91 and blade 93 The distances of 92 height, if therefore tap such as the hard thing of stone time blade 93 is mowed, rotating shaft 94 is understood because of this distance Exist and produce stator 922 beat, practice often can occur cause because of this beat the rotor in motor 92 921 friction stators 922, therefore produce chip and cause motor 92 to damage.

2, the rotor 921 in motor 92 and stator 922 are when rotating against, and have the generation of heat, if horse Reaching 92 high temperature being often in operating, therefore conventional motor 92 there is no the structure design of heat radiation, it will Cause motor 92 inner body because of the damage of high temperature, reduce the service life of motor 92.

3, for make blade 93 be contained in rotating shaft 94 can synchronous axial system, the adapter section of rotating shaft 94 be typically two Plane is processed in side, but this two plane is adding man-hour and easily produce the error of cutting depth, causes blade 93 Present unbalanced state when loading onto rotating shaft 94, therefore have serious vibration problems when operation, and behaviour Also unsafe anxiety is had to consider on work.

Therefore, the problem how solving above-mentioned conventional power-operated mower, it is emphasis place of the present utility model.

Utility model content

One of this utility model purpose, is to solve above-mentioned problem and provide the knot of a kind of power-operated mower Structure, motor is located on load seat, and the rotating shaft of motor down stretches to carry and supplies veneer clipper with adapter section under seat bottom Fixing, now motor and veneer clipper are respectively arranged on and carry the upper and lower of seat, are therefore driven by a motor rotation when veneer clipper Then when mowing, if accidentally tapping the such as hard thing of stone, the strength of percussion in rotating shaft from outer toward in motor The process of transmission has to pass through load seat, because the square of veneer clipper and load seat is from short, and can be born by load seat and stock And disperse, the strength being transferred to the most again in motor has remained little, the rotating shaft in motor will not beat, therefore The problem not resulting in the friction rotor stator in motor and cause motor to damage.

The two of this utility model purpose, are that the rotor of motor is provided with during plural number fin with protrusion is at top The heart and be arranged in swirling, therefore when the rotor is turning, the air at this motor top can be disturbed by plural number fin Move and produce air-flow, produced heat when this air-flow can constantly take away motor running, motor can be produced and dissipate The effect of heat.

The three of this utility model purpose, are to solve the veneer clipper that is installed in rotating shaft and are caused because of imbalance Vibration problems, and rotated by veneer clipper phase countershaft and can be buffered, to avoid veneer clipper 4 stress not When and cause the upper unsafe problem of use.

For reaching object defined above, this utility model by the following technical solutions:

A kind of structure of power-operated mower, including:

One carries seat, has an opening up groove portion；

One stock, tiltedly on extend the side of this load seat；

One motor, is installed with in this groove portion with a pedestal, is provided with a stator and a rotor in this pedestal, should Stator, with an iron core winding plural number coil, has plural Magnet, a rotating shaft to be combined in this rotor top in this rotor ring week The center in portion and down can being driven through the center of both this stator and pedestal, this rotor and this coil excitation Dynamic rotation, this rotating shaft rotates with the rotor combined, and this rotating shaft also down stretches under this load seat bottom and exposes one The path section that adapter section and a diameter of axle reduce, and the section that this rotating shaft is more than this path section is big footpath section, should Big footpath section is reduced at the footpath difference of this path section and forms a class, and a locating shim is arranged in this path section and supports Lean against this class；

One veneer clipper, is located at the adapter section of this rotating shaft below this load seat, and it is fixed to be connected to this with a shaft hole sleeve It is fixed on this rotating shaft after the pad of position, and rotation can be driven to carry out mowing action by this motor；

One controller, is located at this stock and away from one end of this load seat and is electrically connected with this motor, to connect power supply And control the rotating speed of this motor；

One operator, is located at this stock, have the on and off switch of a keying power supply, one with without section Linear Control should The rotating speed of the rotor of motor linearly accelerate driving lever, a pressing without section after begin to operate this and linearly accelerate group without section The secure validation command switch of bar, the motor Maximum speed limit switch and of a rotor Maximum speed limit controlling this motor show Show the character display of battery electric quantity.

Wherein, the rotor of this motor has a top in the one end away from this load seat, and this top has one in center Swell and supply the protrusion of the top combination of this rotating shaft, and this protrusion is at least available for work in relative both sides Tool vises two planes that rotor is motionless.

Wherein, this top also has plural fin, and this plural number fin is arranged in whirlpool centered by this protrusion Vortex-like, supply this rotor with this plural number fin disturbance air-flow at this top in time rotating.

Wherein, this rotor comprises an outer rim, aluminum circle and an aluminium lid in one, and this interior aluminum circle is placed in this outer rim Inner circumferential, this aluminium lid is placed in the top of this outer rim and downwardly extends, and this outer rim, interior aluminum circle and aluminium lid are tight Close being combined as a whole and form a ringwall, between interior aluminum circle and the aluminium lid in this outer rim formed plural number caulking groove, This plural number Magnet is respectively embedded in an aforesaid caulking groove and fixing, and this rotor uses the difference of the outer steel of interior aluminum with this The double-decker of metal, this motor internal temperature can conduct this plural number to top through this interior aluminum circle and this aluminium lid Fin dispels the heat.

Wherein, this locating shim is resisted against this class with one first bulge loop, this locating shim in contrast to this first The side of bulge loop has one second bulge loop, and the part that this path section is exposed after this locating shim wears is this knot Close section；This veneer clipper is in the form of annular discs and has a recess being positioned at centre, and this recess is in the veneer clipper set at place This second bulge loop is engaged when being located at the adapter section of this rotating shaft.

Wherein, this adapter section has external screw thread, when this veneer clipper is sheathed on this adapter section, has interior spiral shell with one The nut lock of stricture of vagina is located at this external screw thread and fixes this veneer clipper in this adapter section.

Wherein, this power supply is a portable battery, and this controller is also electrically connected with a SOC battery electric quantity Computer, this SOC battery power amount calculation device is electrical with this controller, battery and this character display respectively Connect, with the state of charge of this SOC battery power amount calculation this battery charging and discharging of device interpretation, and through news Number transmission to this character display to show the battery electricity when charging and discharging.

Wherein, this linearly accelerates driving lever and is made up of with hall sensing element permanent magnet without section.

Above-mentioned and other purpose of the present utility model and advantage, be not difficult from following selected embodiment specifically Bright with accompanying drawing in, it is thus achieved that understand in depth.

Certainly, this utility model is in some embodiment, or allows different in the arrangement of embodiment, but Selected embodiment, then in this specification, be described in detail, and show that in accompanying drawing it constructs.

Accompanying drawing explanation

Fig. 1 is the stereo appearance figure of power-operated mower of the present utility model.

Fig. 2 is Fig. 1 partial enlarged drawing at motor, and wherein motor is positioned on load seat, and veneer clipper is positioned at Carry under seat.

Fig. 3 is that motor and the veneer clipper of Fig. 2 put figure relative to carrying the group establishing that seat separates.

Fig. 4 is the insight structural map that load seat of the present utility model, motor and veneer clipper group set.

Fig. 5 is that stock of the present utility model is at the partial enlarged drawing of part set by controller.

Fig. 6 is the circuit box schematic diagram of this utility model control system.

Fig. 7 is the stereo appearance figure of conventional hay mover.

Detailed description of the invention

Referring to Fig. 1 to Fig. 6, example structure selected by this utility model shown in figure, this is intended for Purposes of discussion, is not limited by this kind of structure in patent application.

The present embodiment provides the structure of a kind of power-operated mower, as it is shown in figure 1, include that a load seat 1, is long Bar 2, one motor 3, veneer clipper 4 and operator 5 and a controller 6, wherein:

As shown in Figures 2 to 4, carrying seat 1 and have a groove portion 11, there is an opening in this groove portion 11 at load seat 1 111 upward, stock 2 tiltedly on extend the side carrying seat 1.Motor 3 is installed with in groove portion with a pedestal 31 11 and be positioned at load seat 1 on, be provided with stator 32 and a rotor 33 in pedestal 31, stator 32 is with a ferrum Core 321 winding plural number coil 322, has plural Magnet 331 rotor 33 ring week, and a rotating shaft 34 is combined in this The center at rotor 33 top and down through the center of both stator 32 and pedestal 31, rotor 33 and coil 322 is excitatory and can be driven in rotation, and rotating shaft 34 top combines rotor 33 and concomitant rotation, and rotating shaft 34 Down stretch to carry under seat 1 and expose an adapter section 341.

As shown in Figure 3 to Figure 4, veneer clipper 4 is sheathed on rotating shaft 34 with an axis hole 41 below load seat 1 Adapter section 341 and fixing, and rotation can be driven to carry out mowing action by motor 3.Rotating shaft 34 is down stretched If the part to load seat 1 has the path section 342 that a diameter of axle reduces, and rotating shaft 34 is in path section 342 Above section is big footpath section 343, and big footpath section 343 is reduced at the footpath difference of path section 342 and forms a class 344。

As shown in Figure 3 to Figure 4, the adapter section 341 of the present embodiment has external screw thread 341a, veneer clipper 4 When being sheathed on this adapter section 341, female thread 421 is had to be locked in external screw thread 341a, with this with a nut 42 Fixing veneer clipper 4 is in adapter section 341.Additionally, the veneer clipper 4 of the present embodiment is a tendon Bovis seu Bubali in the form of annular discs Dish 43 combines the form of tendon rope 44.In the present embodiment, and it is arranged in path section with a locating shim 35 342 and have one first bulge loop 351 to be resisted against class 344, locating shim 35 is in contrast to the first bulge loop 351 Side has one second bulge loop 352, and the part that path section 342 is exposed after locating shim 35 wears is for combining Section 341；Veneer clipper 4 has a recess 45 being positioned at centre, and the recess 45 veneer clipper 4 in place is sheathed When the adapter section 341 of rotating shaft 34, engage the second bulge loop 352, fix veneer clipper 4 with this locating shim 35 In adapter section 341.

As shown in Figure 5,6, controller 6 is located at stock 2 and away from one end of load seat 1 and is electrically connected with motor 3, To connect power supply and to control the rotating speed of motor 3, motor 3 is brushless motor in the present embodiment, controller 6 For brushless motor controller.Stock 2 is located at by operator 5, and operator 5 has the on and off switch of a keying power supply 50, one linearly accelerate without section driving lever 51, secure validation command switch 52, motor Maximum speed limit switch 53 and One character display 54, linearly to accelerate the rotating speed of the rotor 33 of driving lever 51 Linear Control motor 3 without section, Operation is linearly accelerated must first to press secure validation command switch 52 during driving lever 51 and is begun to operate without section, and by motor The Maximum speed limit of rotors 33 of Maximum speed limit switch 53 control motors 3, character display 54 be then in order to The electricity of display power supply.

In the present embodiment, power supply is a portable battery 7, and controller 6 is electrically connected with a SOC battery Electricity computer 8, this SOC battery power amount calculation device 8 respectively with controller 6, battery 7 and numerical monitor Device 54 is electrically connected with, with the electricity shape of this SOC battery power amount calculation device 8 interpretation battery 7 charging and discharging State, and the electricity when signal transmission to character display 54 is to show battery 7 at charging and discharging.

Holding, the mode linearly accelerating the speed that driving lever 51 controls veneer clipper 4 rotation without section is stepless line Property control, and with motor Maximum speed limit switch 53 switching to adjust veneer clipper 4 the highest rotatable speed limit, The highest speed limit can be switched on 4000rpm, 5000rpm, 6800rpm by motor Maximum speed limit switch 53, When being set as 4000rpm, linearly accelerate driving lever 51 without section and can control the rotating speed of veneer clipper 4 at 0-4000 Rpm changes, and change linearly changes with the degree of stirring linearly accelerating driving lever 51 without section, i.e. without section line Property accelerates driving lever 51, and to pull the bigger then rotating speed of amplitude the highest, otherwise the lowest, by linearly accelerating driving lever without section 51 linear accelerators without section constituted are formed (not shown) by permanent magnet and hall sensing element, pass through The polarity changing permanent magnet goes to change the internal charge of Hall element, thus produces different current potential output, The height utilizing this current potential removes to change output frequency and the ripple width ratio of controller 6, to reach to change the mesh of rotating speed , and and then make operator 5 of the present utility model can make veneer clipper 4 via the highest speed limit control of multistage Can have multiple different maximum speed；SOC battery power amount calculation system 8 in order to supply veneer clipper 4 The battery 7 of power source connects, and SOC is the abbreviation of state of capacity, and the meaning is that battery 7 is through filling Calculation of capacity status system after electric discharge, and SOC battery power amount calculation system 8 and simultaneously with controller 6 Be electrically connected with, and after testing after battery status can provide relevant battery status number through order wire transmission again How much percentage ratio is there remains according to character display 54 numerical monitor battery capacity.

As shown in Figure 2 to Figure 3, the motor 3 of the present embodiment, its rotor 33 is in having away from the one end carrying seat 1 One top 332, this top 332 has a protuberance to supply the protrusion of the top combination of rotating shaft 34 in center 333, and protrusion 333 at least has two planes 334 in relative both sides, this protrusion 333 is in the present embodiment In there are six planes 334 for hexagon, this states plane 334 and is available for instrument to vise rotor 33 motionless, with It is easy to motor 3 and dismounts rotor 33.Top 332 also has plural fin 335, and plural number fin 335 is with protuberance It is arranged in swirling centered by portion 333, is pushing up with plural number fin 335 disturbance in time rotating for rotor 33 The air-flow in portion 332.

As shown in Figure 4, aluminum circle 337 and an aluminum in the rotor 33 of the present embodiment comprises an outer rim 336, Lid 338, interior aluminum circle 337 is placed in the inner circumferential of outer rim 336, and aluminium lid 338 is placed in the top of outer rim 336 And downwardly extend, outer rim 336, interior aluminum circle 337 and aluminium lid 338 are closely as one and form a ring Wall, forms plural number caulking groove 339, plural number Magnet between interior aluminum circle 337 and the aluminium lid 338 in outer rim 336 331 are respectively embedded in an aforesaid caulking groove 339 and fixing, and rotor 33 uses the different gold of the outer steel of interior aluminum with this The double-decker belonged to, motor 3 internal temperature can conduct to top 332 through interior aluminum circle 337 and aluminium lid 338 Plural number fin 335 dispels the heat.

By above-mentioned explanation it is seen that advantage of the present utility model, it is:

1, motor 3 is located on load seat 1, and the rotating shaft 34 of motor 3 down stretch to carry under seat 1 with Adapter section 341 is fixed for veneer clipper 4, and now motor 3 and veneer clipper 4 are respectively provided at and carry the upper and lower of seat 1, Therefore when veneer clipper 4 is driven rotation to mow by motor 3, if accidentally tapping such as the hard thing of stone, The strength tapped is in rotating shaft 34 from outer toward the process of transmission in motor 3, and meeting is because of veneer clipper 4 and carries seat 1 Square is from short, and is born by load seat 1 and stock 2 and disperseed, and is transferred to the institute of the strength in motor 3 the most again Surplus very few, rotating shaft 34 in motor 3 will not beat, therefore it is fixed not result in rotor 33 friction in motor 3 Son 32 and cause the problem that motor 3 damages.

2, the rotor 33 of motor 3 is provided with plural number fin 335 centered by protrusion 333 at top 332 It is arranged in swirling, therefore when rotor 33 rotates, the air at motor 3 top 332 can be by plural number fin The disturbance of 335 and produce air-flow, this air-flow can constantly take away produced heat when motor 3 operates, can be right Motor 3 produces the effect of heat radiation.

3, the class 344 that rotating shaft 34 is formed with the footpath difference of path section 342 and big footpath section 343, is once Cutting and machine, therefore can ensure that class 344 has good flatness, therefore locating shim 35 leans on To time, do not have described in conventional power-operated mower unbalanced problem and occur, except solving because of imbalance Outside the vibration problems produced, because veneer clipper 4 is rotatable when not fixing relative to rotating shaft 34, if cutting Suffered resistance (the most known described blade taps such as the hard thing of stone when mowing) is greatly when operation for straw articles 4 When it is fixed on the strength of rotating shaft 34, veneer clipper 4 can rotate against with rotating shaft 34, thus to veneer clipper 4 produce cushioning effect, cause the upper unsafe problem of use to occur to avoid veneer clipper 4 stress improper.

The announcement of embodiment described above is in order to illustrate this utility model, and is not used to limit this utility model, Therefore the change of numerical value or the displacement of equivalence element must be subordinate to category of the present utility model such as.

By detailed description above, those skilled in the art can be made to understand, and this utility model is really up to becoming aforementioned mesh , the real regulation having met Patent Law, whence proposes patent application.

Claims

1. the structure of power-operated mower, it is characterised in that including:

One carries seat, has an opening up groove portion；

One stock, tiltedly on extend the side of this load seat；

One motor, is installed with in this groove portion with a pedestal, is provided with a stator and a rotor in this pedestal, should Stator, with an iron core winding plural number coil, has plural Magnet, a rotating shaft to be combined in this rotor top in this rotor ring week The center in portion and down can being driven through the center of both this stator and pedestal, this rotor and this coil excitation Dynamic rotation, this rotating shaft rotates with the rotor combined, and this rotating shaft down stretches under this load seat bottom and exposes a knot The path section that conjunction section and a diameter of axle reduce, this rotating shaft section more than this path section is big footpath section, this big footpath Section is reduced at the footpath difference of this path section and forms a class, and a locating shim is arranged in this path section and is resisted against This class；

One operator, is located at this stock, have the on and off switch of a keying power supply, one with without section Linear Control should The rotating speed of the rotor of motor linearly accelerate driving lever, a pressing without section after begin to operate this and linearly accelerate group without section The secure validation command switch of bar, the motor Maximum speed limit switch and of a rotor Maximum speed limit controlling this motor show Show the character display of electric quantity of power supply.

The structure of power-operated mower the most according to claim 1, it is characterised in that described motor Rotor has a top in the one end away from described load seat, and this top has a protuberance to supply described rotating shaft in center The protrusion that combines of top, and this protrusion is at least available for instrument in relative both sides, and to vise rotor motionless Two planes.

The structure of power-operated mower the most according to claim 2, it is characterised in that described top has Having plural fin, this plural number fin is arranged in swirling centered by described protrusion, for described rotor in turning With this plural number fin disturbance air-flow at described top time dynamic.

The structure of power-operated mower the most according to claim 3, it is characterised in that described rotor bag Containing an outer rim, aluminum circle and an aluminium lid in one, this interior aluminum circle is placed in the inner circumferential of this outer rim, and this aluminium lid is placed in The top of this outer rim and downwardly extending, this outer rim, interior aluminum circle and aluminium lid are closely as one and are formed One ringwall, forms plural number caulking groove between interior aluminum circle and the aluminium lid in this outer rim, described plural number Magnet is the most embedding Entering in this caulking groove and fix, described rotor uses the double-decker of the different metal of steel, institute outside interior aluminum with this State motor internal temperature and can conduct the described plural number fin heat radiation to top through this interior aluminum circle and this aluminium lid.

The structure of power-operated mower the most according to claim 1, it is characterised in that described locating pad Sheet is resisted against described class with one first bulge loop, and described locating shim has in contrast to the side of this first bulge loop One second bulge loop, the part that described path section is exposed after described locating shim wears is described adapter section；Institute State veneer clipper in the form of annular discs and have one be positioned at centre recess, this recess veneer clipper in place is sheathed on institute This second bulge loop is engaged when stating the adapter section of rotating shaft.

The structure of power-operated mower the most according to claim 5, it is characterised in that described adapter section There is external screw thread, when described veneer clipper is sheathed on described adapter section, has female nut lock with one and be located at This external screw thread and fixing described veneer clipper are in described adapter section.

The structure of power-operated mower the most according to claim 1, it is characterised in that described power supply is One portable battery, described controller is electrically connected with a SOC battery power amount calculation device, this SOC battery Electricity computer is electrically connected with described controller, battery and character display respectively, with this SOC battery The state of charge of electricity this battery charging and discharging of computer interpretation, and through signal transmission to described numerical monitor Device is to show the battery electricity when charging and discharging.

The structure of power-operated mower the most according to claim 1, it is characterised in that described line without section Property accelerate driving lever be made up of with hall sensing element permanent magnet.