CN204244710U - mower - Google Patents

Abstract

The utility model provides a kind of mower, comprise chassis, the wheel be arranged on chassis, the housing be positioned on chassis, the motor being positioned at this housing, the transmission device being connected to motor driving shaft, the cutter sweep be connected with transmission device and the handle be installed on housing.This mower also comprises handle trigger mechanism, blade height adjusting mechanism, and handle is folding and lock laying mechanism, and is connected to the power connector of described device.Mower of the present utility model can rely on AC power work, can ensure the maximization of mower working time, and the operating efficiency of user is improved.

Description

Mower

Technical field

The utility model relates to a kind of electric tool of outdoor use, particularly uses the mower that cutter sweep is pruned the grass on lawn or meadow..

Background technology

Mower be a kind of common, on the large area soil on lawn, outdoor garden meadow etc. to green grass carry out prune arrange electric tool.Common mower has a chassis usually, chassis has been installed four wheels thus has made mower to place on the ground independently.In addition, the housing of mower there is also mounted the hand handle upwards extended, promote mower to facilitate user and advance on meadow.In the inside of mower, motor and control circuit etc. are installed, and motor drives mowing impeller by mechanical driving device.Grass too high on meadow just can machine away by mowing impeller blade wherein when rotating.

, existing mower is often only configured with battery and operates for drive motors, but the finite capacity of battery, therefore cannot ensure the long-time continuous firing on large-area meadow.Once the electricity of battery exhausts, so user just has to interruption of work and taken off by battery to be placed in independent charger to charge.Such operating process obviously reduces the efficiency that user carries out grass cutting action.

Utility model content

Therefore, embodiment of the present utility model provides a kind of different mower, and it can use alternating current to drive, and therefore can obtain applying more flexibly in some occasion.

In one aspect, a kind of mower, comprise chassis, the wheel be arranged on described chassis, the housing be positioned on described chassis, the motor being positioned at this housing, the transmission device being connected to described motor driving shaft, the cutter sweep be connected with described transmission device and the handle be installed on housing; It is characterized in that, described mower also comprises: handle trigger mechanism, blade height adjusting mechanism, handle fold and lock laying mechanism and be connected to the power connector of described device.

In an alternate embodiment, power connector is AC outlet, and power connector is positioned at the end of handle.

Therefore, the mower in the utility model has lot of advantages in terms of existing technologies.No matter on the meadow of any area, mower can be driven to carry out work with civil power (alternating current) by being connected to by power line on mower.Such design provides great flexibility, makes no matter to work in any grassland area to ensure the maximization of mower working time, and the operating efficiency of user is improved.

Accompanying drawing explanation

Can do further to understand to performance of the present utility model and advantage with reference to the remaining part of this specification and accompanying drawing; In these accompanying drawings, the label of same assembly is identical.In some cases, son mark is placed in after certain label and hyphen to represent one of them of many similar component.When mentioning certain label but do not write some existing son marks especially exactly, just refer to all these similar assemblies.

The stereoscopic figure of the mower according to first embodiment of the present utility model is illustrated in Fig. 1.

The bottom schematic view of the mower in Fig. 1 has been shown in Fig. 2.

The explosive decomposition figure of the control device on the handle top of the mower in Fig. 1 has been shown in Fig. 3.

The explosive decomposition figure of the attaching parts up and down between handle of the mower in Fig. 1 has been shown in Fig. 4.

Motor internal and the impeller assembly schematic diagram of the mower in Fig. 1 have been shown in Fig. 5.

Illustrated in Fig. 6 the motor internal of the mower in Fig. 1 and impeller assembly remove corresponding shell after schematic diagram.

The inside transmission device mechanical connection schematic diagram of the mower in Fig. 1 has been shown in Fig. 7.

The schematic perspective view at another visual angle of the mower in Fig. 1 has been shown in Fig. 8.

The outside drawing of the bottom turbulent structure of the mower in Fig. 1 has been shown in Fig. 9.

The stereoscopic figure of the mower according to second embodiment of the present utility model is illustrated in Figure 10.

Schematic diagram after the assembling of the blade regulating device of the mower in Figure 10 has been shown in Figure 11.

The explosive decomposition figure of the blade regulating device of the mower in Figure 10 has been shown in Figure 12.

The schematic diagram of blade adjustment assembly in the impeller assembly of the mower in Figure 10 has been shown in Figure 13.

The explosive decomposition figure of the control device on the handle top of the mower in Figure 10 has been shown in Figure 14.

The explosive decomposition figure of the attaching parts up and down between handle of the mower in Figure 10 has been shown in Figure 15.

The stereoscopic figure of the mower according to the 3rd embodiment of the present utility model is illustrated in Figure 16.

Embodiment

Of the present utility modelly described in the embodiments the mower with the interchangeable driving of AC and DC, thus can neatly according to whether having commercial power supply and carry out work with different power supplys.Can other different benefit of providing of apparent each embodiment of the present utility model and advantage from following describing.

Referring now to Fig. 1, illustrate a kind of four-wheel-type mower in first embodiment of the present utility model, comprise chassis 28, be arranged on the four wheels 24 of both sides, chassis 28, the housing 22 be arranged on chassis, the lower handle 26 being connected to rear end, chassis 28 and up knob 25.Up knob 25 takes the shape of the letter U substantially, and its lower end is connected respectively with two lower handles 26, and the lower end of lower handle 26 is fixedly attached to the both sides on chassis 28 respectively.The anterior position of housing 22 has motor cover 23, has installed control device 30 on the top of up knob 25.Notice that the size of four wheels 24 is not duplicate, but the radius of two wheels 24 before mower is less than two wheels 24 below.In addition, be also connected to grass cutting collection box 20 at the rear of housing 22, this grass cutting collection box 20 is positioned at after the wheel 24 of mower rear end.

In fig. 2, show the bottom of the mower in Fig. 1, connected by wheel shaft between monosymmetric every two wheels 24 of visible mower.In addition, have the blade 36 of a strip in the middle position on chassis 28, the middle position of blade 36 is fixed to the bottom of mower by rotating shaft 38.Blade 36 is as the cutter sweep of mower for mowing.Be formed with turbulent structure 32 in the central authorities on chassis 28, and offer air entry 34 at this turbulent structure 32 near the position of mower front end.This air entry 34 is for sucking the chip of the green grass after being cut by blade 36.

Refer now to Fig. 3, the concrete interior of above-mentioned control device 30 here displays.Specifically, in the upper horizontal part of up knob 25, the first switch case 54 and second switch housing 56 are installed.On the surface of the first switch case 54, be configured with release tab 52.The mode of this release tab 52 known by those skilled in the art is pivotally connected to other parts, thus user presses this release tab 52 that it can be caused pivoted.In the present embodiment, the lower end abutment of release tab 52, by compressing switch 44,44 should be connected to the motor in mower housing to control the running of motor by circuit by compressing switch.Preferably, release tab 52 is also connected to biasing device such as spring (not shown), thus only 52 could keep 44 being in down state by compressing switch when user continues to press and starts button, otherwise release tab 52 by because biasing device existence and reset, make by compress switch 44 be in depressed position non-.In control device 30, also there is the first handle 46 and second handle 50 that are pivotally connected.First handle 46 and second handle 50 can be user-operably to be pulled, to control the running of motor.First handle 46 and second handle 50 are also connected to and contact with by 44 tops that compress switch.And only have when release tab 52 is first pressed, them could be kept to be in link position when user continues to pull first handle 46 or second handle 50, machine could start.Otherwise first handle or second handle 50 are by because be in non-actuation position by the reset response at 44 tops that compress switch.Finally, AC outlet 40 is also configured with at the rear of control device 30.This AC outlet 40 can connect a power line 42 as shown in the figure, thus provides AC power for mower.The alternating current inputted through AC outlet 40 to be transported to the parts such as the motor of mower enclosure interior by cable 48.AC outlet 40 constitutes the power connector in the present embodiment.

Come Fig. 4, there is illustrated left-hand seat 25 with set about the attaching parts between 26.Left-hand seat includes interior pipe 25a the inside of 25, both nested encryptions.At left-hand seat, the end of 25 and Qi Nei pipe 25a side is had the first through hole 60, and corresponding assistant has the second through hole 58 the upper end of 25.Left-hand seat is in aligned condition forever 25 and the first through hole 60 corresponding to two of Qi Nei pipe 25a, and the first through hole 60 and the second through hole 58 match, first through hole 60 can optionally align with one of them of two the second through holes 58 as shown in the figure, thus the length of whole mowing tractor driver handle can be adjusted a littlely, adapt to the needs of different users.Latch 62 by left-hand seat 25, interior pipe 25a and set about to link together 26, and latch 62 one end is formed with block 63, and latch 62 other end is sequentially connected to multiple nut 66 and a knob 64.Knob 64 is threaded with latch 62, therefore can advance relative to the block end 63 of latch 62 or retreat.When knob 64 by user rotate make its direction towards block 63 move to can not again movement time, knob 64 and block 63 jointly lock left-hand seat 25 with set about 26, now left-hand seat can not rotate 26 with assistant relatively 25, and such as when mower works, left-hand seat is locked in position parallel to each other 25 and assistant 26.On the contrary, if when knob 64 by user rotate make its direction movement away from block 63 time, knob 64 and block 63 no longer lock left-hand seat 25 with set about 26, now left-hand seat can rotate 26 with setting about relatively 25.User now left-hand seat can be rotated 26 relative to assistant 25 thus folding whole hand part, such fold can save mower hand the space taken thus can so that the carrying of mower or storage etc.

Refer now to machinery and the power section of mower inside.In Figure 5, motor 68 and pulley assembly 70 is shown.Both is all vertically placed relative to chassis 28, and that is the driving shaft of motor 68 is vertical relative to chassis 28 with the direction of the central axis of pulley assembly 70.The schematic diagram removed after corresponding shell has been shown in Fig. 6 in motor 68 and pulley assembly 70.Motor 68 comprises stator (not shown) in motor shaft 82, rotor 72, motor housing and electric motor fan 74.Pulley assembly comprises above-mentioned rotating shaft 38, be fixed on the radiator fan 80 that its center is connected with rotating shaft 38.By belt 78 machine driving between pulley assembly 70 and motor 68.As clearer in what show in Fig. 7, also have driving wheel 78 below electric motor fan 74, it is connected to motor shaft (not shown) and jointly rotates with it.Driving wheel is wound with one end that its length forms a close-shaped belt 78, and the other end of belt 78 is wrapped on driven pulley 81.Belt 78 constitutes the transmission device of the mower in the present embodiment.Driven pulley 81 has upper and lower two outer rims along its axis direction, and belt 78 is stuck between these two outer rims.Driven pulley 81 is coaxially connected around rotating shaft 38 with radiator fan 80 regularly by multiple screw 83, wherein has screw (not shown) in screw 83.When needs, also can make to inhale careless fan 80 by the screw unclamped in screw 83 and driven pulley 81 departs from fixing, thus can pull down and clean suction radiator fan 80.

Come Fig. 8, at the housing 22 of mower, there is also mounted dismountable grass cutting collection box 20.The upper surface of grass cutting collection box 20 is configured with handle 86 and mentions grass cutting collection box 20 for user.In addition, a pivotable chamber door 84 is also had in grass cutting collection box front portion to seal grass cutting collection box 20 to collect grass bits.

See Fig. 9, the grass produced after above-mentioned turbulent structure 32 can suck cutting is considered to be worth doing and transports.This turbulent structure 32 has the vortex outlet 88 of the tangential direction being probably in turbulent structure 32, is suitable for being connected to above-mentioned grass cutting collection box (not shown) herein.Therefore, the grass bits be inhaled into can be transmitted and be entered grass cutting collection box by vortex outlet 88.

The method of operating of above-mentioned mower will be described now.Before the use, first user will guarantee that mower is connected to certain power supply, or the power line 42 in Fig. 3 is connected to the supply socket 40 of mower, and power line 42 other end inserts commercial power socket.Then, start mower, first user presses release tab 52 and keeps it not put, and now 44 is also continuously pressed down by compressing switch and is in that it is depressed position above-mentioned.Putting before this, then user pulls first handle 46 or second handle 50 and keeps this state, and then motor can start and start to drive the blade 36 in Fig. 2 to rotate.After electric motor starting, user just can unclamp release tab 52, but still need to keep pulling of first handle 46 or second handle 50 always, this can conveniently by user stress on both hands hold mower left-hand seat carrying out during tip position two ends holding first handle 46 and second handle 50 simultaneously.After electric motor starting, blade 36 starts to rotate to cut the green grass on meadow, and consequent chip is transported through turbulent structure 32 by blade rotation generation wind-force and enters grass cutting collection box 20.When user is for power cut-off time, he only needs to decontrol first handle 46 and second handle 50, and so the running of motor will stop.After grass cutting collection box 20 has expired, it can pull down from mower and topple over by user.

Figure 10 shows the mower in another embodiment of the present utility model, and its profile is substantially identical with the mower in Fig. 1-9 with inside, does not repeat them here.But the door handle device 130 of the mower in Figure 10 is different, and this mower also has blade height adjusting device 131.Figure 11 and Figure 12 respectively illustrates schematic diagram and explosive view after the assembling of this blade height adjusting device 131.Blade height adjusting device 131 comprises regulating handle 133, this regulating handle 133 times surface covers have curved bar 139.Curved bar 139 is limited in gear plate 135 and carries out displacement, and this gear plate 135 has five gears 145 as shown in the figure, and these five gears 145 are connected by a loose slot 147, and each gear 145 is vertical with this loose slot 147.Curved bar 137 has torsion spring 139 relative to the other end cover of regulating handle 133, and this torsion spring 139 is fixed in torsion spring seat 141, and curved bar 137 is fixed on (not shown) on the housing of mower by pivot 143.Pivot 143 is on the other hand connected to spring 141, and (not shown) on the housing that the other end of spring 141 is connected to mower.Due to the existence of torsion spring 139, when user does not force on regulating handle 133, regulating handle 133 and curved bar 137 will be trended towards entering any one of them instead of the loose slot 147 of five gears 145 by torsion spring 139 bias voltage.That is, if one of them that time user does not force on regulating handle 133, blade adjustment switching device 131 is inherently in five gears 145 also keeps this state.On the other hand, due to the existence of spring 141, when user does not force on regulating handle 133, regulating handle 133 and curved bar 137 will be trended towards the position of " 1 gear " in Figure 11 by torsion spring 139 bias voltage, namely trend towards the direction that spring 141 shrinks.Therefore, if user does not force on regulating handle 133 and regulating handle 133 and curved bar 137 are in loose slot 147 instead of any one gear 145 time, so bias voltage makes blade adjust switching device 131 and must trend towards " 1 gear " instead of " 5 keep off " by spring 141, and regulating handle 133 and curved bar 137 will slip in 1 gear because of the effect of torsion spring 139 when the entrance that arrival 1 keeps off simultaneously.By with upper type, user can the gear of adjustable blade adjustment switching device 131 easily.Different gears represents the difference of blade 36 terrain clearance in Fig. 2.This drives being cranked arm by the driving of spring 153 bias voltage in Figure 13 155 to complete by blade adjustment switching device 131.Driving is cranked arm and 155 can be rotated around rotating shaft 38 and order about blade (not shown) and move in vertical direction, thus the terrain clearance of adjustable blade 36.

The explosive view of the handle tip portion 130 of the mower in Figure 10 has been shown in Figure 14, wherein with the control device in Fig. 3 unlike, the handle tip portion in Figure 14 is cattle horn shape, and its two ends are connected with the up knob of mower respectively.This handle tip portion is combined by two and half shells 157 be formed by stacking up and down.Control device is positioned at handle tip portion, and also has starting switch 152 in handle tip portion.Control device is also configured with the supply socket 140 that can connect ac power cord 142.First handle in Fig. 3 and second handle are here replaced by the first button 146 being positioned at the installation of bottom surface, handle tip portion two ends shown in Figure 14 and the second button 150.User is when the mower handle tip portion that hold in this embodiment, and two hands can hold the two ends of cattle horn shape respectively, and finger can oppress the first button 146 and the second button 150 simultaneously.First button 146 and the second button 150 also biased device bias voltage, and its circuit connecting relation is identical with second handle with the first handle in above-mentioned Fig. 3.Here repeat no more.

Illustrate in Figure 15 that the left-hand seat of the mower in Figure 10 is 125 with set about the attaching parts between 126.At left-hand seat, 25 ends are had multiple first through hole 160, and corresponding assistant has the second through hole (not shown) the upper end of 125.First through hole 160 and the second through hole match, and the second through hole can optionally align with one of them of multiple first through hole 160 as shown in the figure, thus can adjust the length of whole mowing tractor driver handle, to adapt to the needs of different users a littlely.Left-hand seat links together 125 and assistant by latch 162 126, and latch 162 one end is connected to handle set 165, and lock handle 169 is connected with handle set 165 by pivot 167.One end of the close pivot 167 of lock handle 169 has cam structure.Thus when lock handle 169 is in different rotary position time, handle set 165 can due to the rotation of cam towards up knob 125 or contrary.Latch 162 is connected to knob 164 relative to the other end of lock handle 169.Knob 164 is threaded with latch 162, therefore can advance relative to up knob 125 or retreat.Knob 164 is used for adjusting the tightening degree of handle set 165 and up knob 165, and knob 164 is also provided for latch 162 exits the through hole of up knob 125 and lower handle 126 thus make can regulate relative distance between both.On the other hand, if up knob 125 will be regulated relative to the angle position of lower handle 126, so just need to use lock handle 169.When lock handle 169 is rotated by user the position making it be in Figure 14 time, handle set 169 and knob 164 common locking left-hand seat are 125 and set about 126, now left-hand seat can not rotate 26 with assistant relatively 25, and such as when mower works, left-hand seat is locked in position parallel to each other 125 and assistant 126.On the contrary, when lock handle 169 by user rotate make it to be in relative to left-hand seat 125 vertical position time, handle set 169 and knob 164 no longer lock left-hand seat 125 and assistant 126, now left-hand seat can rotate 126 with setting about relatively 125.User now left-hand seat can be rotated 126 relative to assistant 125 thus folding whole hand part, such fold can save mower hand the space taken thus can so that the carrying of mower or storage etc.

Figure 16 shows the profile according to the mower in another embodiment of the present utility model.Mower in its interior and Figure 10 is substantially similar, repeats no more here.

Therefore, after describing several embodiment, those skilled in the art will recognize that different changes, other structure, equivalent, can be used without and can deviate from essence of the present utility model.Accordingly, above description should not be regarded as the restriction to the determined the utility model scope of such as following claim.

For example, although the mower described in the above embodiments is all for energy source with alternating current AC, but those skilled in the art it is to be understood that the various piece assembly of mower in the utility model also may be used for the mower of other type, such as only rely on the mower of the direct current DC type of the power brick running be arranged on mower, or power line both can be used to drive with exchange way, the hybrid type mower that also can be driven in direct current mode by power brick.

Claims (4)

1. a mower, comprise chassis, the wheel be arranged on described chassis, the housing be positioned on described chassis, the motor being positioned at this housing, the transmission device being connected to described motor driving shaft, the cutter sweep be connected with described transmission device and the handle be installed on housing, it is characterized in that, described mower also comprises: handle trigger mechanism, blade height adjusting mechanism, handle fold and lock laying mechanism and be connected to the power connector of described device.

2. mower according to claim 1, is characterized in that, described cutter sweep comprises blade, and effective cutting diameter of described blade is 33cm, 36cm or 40cm.

3. the mower according to above-mentioned any one claim, is characterized in that, described power connector is AC outlet.

4. mower according to claim 1 and 2, is characterized in that, described power connector is positioned at the end of described handle.