CN205040253U - Have weeder of weeding with turnout function concurrently - Google Patents

Abstract

The utility model discloses a have weeder of weeding with turnout function concurrently, include along with drive shaft pivoted blade that it lies in with the prior art difference: the decurrent pair of blade or rake teeth that blade one side setting down and blade linked together. Blade among this technical scheme can rotate along with the drive shaft, and high -speed rotatory blade can cut off the grass of erectting. Simultaneously, down vice blade or rake teeth follow the blade rotation to make circular motion, then can cut off the grass that lodges on ground. In addition, putting this lawn mower on the ground, or exerting pressure gently, then lower vice blade or the rake teeth down of blade can get into ground, cuts off the grass roots, still loosens the soil to ground simultaneously, therefore also possesses the function of loosening the soil of weeding.

Description

Have the weeder of hoeing up weeds with cutting function concurrently

Technical field

The utility model relates to weeder, and specifically a kind of having concurrently is hoed up weeds and the weeder of cutting function.

Background technology

Weeder is that grass cuts off by the blade by rotating.

In the technology that patent document Japanese Unexamined Patent Publication 61-136836 publication is recorded, what blade is rockably arranged on the attaching parts in wheel plate-like circumferentially (arranges so-called free blade), the centrifugal force produced by the rotation of attaching parts makes this blade give prominence to the outer direction, and rotate together with attaching parts, mow thus.Even if shake blade freely when blade contacts with stone etc. in cutting operation, can be avoided the power to blade overaction because blade shakes, can prevent breaks down.But this technology can not cut off the grass of lodging on ground, more can not to cutting off grass roots, function of not hoeing up weeds.

CN103238411A in order to fall down at the grass on ground state, grass can be made to erect and cut, the attaching parts that the mower of first aspect has the driving shaft of the rotary driving force transmitting prime mover, blade and is connected with described driving shaft by described blade, described grass-mowing becomes, and described attaching parts are integrally formed with fan portion.This mower can be produced negative pressure by the fan portion that attaching parts are formed of being rotated in of blade and obtained rectification effect, the grass fallen down is erected, and cuts it, improve cutting performance thus.This technology can cut off the grass of lodging on ground, but complex structure, and function of not hoeing up weeds.

Utility model content

In order to solve the problem, overcome the deficiency of prior art, the utility model provides a kind of and has the weeder of hoeing up weeds with cutting function concurrently.

The technical scheme that the utility model realizes above-mentioned purpose is as follows.

Have the weeder of hoeing up weeds with cutting function concurrently, comprise the blade with drive shaft turns, its difference from prior art is: blade one side down arranges the downward auxiliary-blade or rake teeth that link together with blade.

Blade in this technical scheme can with drive shaft turns, and the grass of setting can cut off by the blade of High Rotation Speed.Meanwhile, auxiliary-blade down or rake teeth follow blade rotation to circle, then lodging can be cut off at the grass on ground.

In addition, by the ground for mower of the present utility model, or gentle pressure, then under blade, auxiliary-blade down or rake teeth can enter ground, cut off grass roots, also loosen the soil to ground simultaneously, thus also possess soil-loosening function of hoeing up weeds.

Mower structure of the present utility model is simple, vertical grass can be cut off simultaneously, cut off lodging grass and hoe up weeds (cutting off grass roots), have the herbicidal effect of pulling the grass up by its roots, but also can loosen the soil, relative to prior art, there is the good effect of beyond thought highly significant.

The utility model can also do following selection and improvement.

In order to reach the effect of better cutting off lodging grass fast, auxiliary-blade or rake teeth arrange the side direction edge of a knife, and the side direction edge of a knife is towards tangential direction during blade rotation.

In order to make full use of centrifugal force, auxiliary-blade of the present utility model or rake teeth are positioned at blade outer end.

Auxiliary-blade or rake teeth and blade rear end angulation are 30 ~ 150 °.Good scheme is 90 ~ 135 °.

Another kind of preferred scheme is: auxiliary-blade top arranges brace, this brace and blade parallel, and is mobilizable connection with blade, realizes brace freely rotating around connector under blade.Here connection can chosen axis connects, bearing connects, screw rod connects, and after being connected with blade by brace, relative freely rotating around connector done by brace and blade, i.e. both forward and reverse directions 360 ° rotation.When blade rotates, due to centrifugal action, auxiliary-blade is thrown toward the outside away from turning cylinder, and circles along with blade.Because auxiliary-blade is downward; when the grass that cutting lodges on the ground; larger stone may be encountered; now auxiliary-blade is obstructed and can makes counter-rotation; thus avoid blade (not to be auxiliary-blade; but the blade swayed, also can be main blade) impaired, stone more can be avoided to stop and to make mower shut down and burn out motor.

In order to make full use of centrifugal force, tie point is positioned at blade outer end.

The angle of brace and auxiliary-blade is 30 ~ 150 °.Good scheme is 90 ~ 135 °.

In order to cut shorter by the grass on ground, the utility model also arranges the parallel plate with blade parallel in the lower end of auxiliary-blade.Because the height of auxiliary-blade limit, blade can not ground proximity, and this can make ground stay grass too high, and parallel plate be positioned at bottommost can ground proximity, thus can grass be cut shorter.And the grass of lodging can also be provoked by parallel plate, is more convenient to cut off.

Blade in the utility model is the circle of circumferential band sawtooth, or is the 2 ~ 4 lobate of circumference in equal parts.The circular shear blade of circumferential band sawtooth is standard configuration, be arranged to circumference in equal parts lobate then can weight reduction, reduce load power.

Further, the limb of lobate blade puts the first edge on a knife or a pair of scissors, and is convenient to cut off grass and undershrub branch fast.

In the utility model, described auxiliary-blade shape in the form of a substantially rectangular, the auxiliary-blade side direction edge of a knife can put the first edge on a knife or a pair of scissors, and also can not put the first edge on a knife or a pair of scissors.When auxiliary-blade is enough thin, need not put the first edge on a knife or a pair of scissors completely.

Rake teeth has enough intensity, is more suitable for hoeing up weeds loosening the soil, and it arranges the side direction edge of a knife and is more convenient to grass to cut off, and this side direction edge of a knife can put the first edge on a knife or a pair of scissors, and also can not put the first edge on a knife or a pair of scissors.When rake teeth is enough thin, need not put the first edge on a knife or a pair of scissors completely, also not need to arrange the side direction edge of a knife.

Accompanying drawing explanation

Fig. 1 is the upward view of the auxiliary-blade of tri-lobed blade mower and the scheme of installation of blade.

Fig. 2 is the upward view of the two lobate auxiliary-blades of blade mower and the scheme of installation of blade.

Fig. 3 is the front view of a kind of mower of the present utility model.

Fig. 4 is the upward view of the auxiliary-blade of sawtooth circular shear blade mower and the scheme of installation of blade.

Fig. 5 is the end view of the rake teeth of sawtooth circular shear blade mower and the scheme of installation of blade.

Fig. 6 is a kind of side direction view of auxiliary-blade of form.

Fig. 7 is the side direction view of the auxiliary-blade of another kind of form.

Embodiment

Embodiment 1

See Fig. 1.Blade is tri-lobed, blade cutter 1,3,8 circumference in equal parts.

Auxiliary-blade is as the form of Fig. 7, and part is obliquely inclined tab 6, and inclined tab 6 and brace 7 angle are 135 °, and the lower end of inclined tab 6 is parallel plates 5.Installing hole 26 offered by brace 7, for being connected with blade.

Auxiliary-blade is placed in the outer end of blade cutter 3 by screw rod 4.After connection, brace 7 can do both forward and reverse directions 360 ° rotation around screw rod 4.The inclined tab 6 be integrated with brace 7 one-tenth and parallel plate 5 also can be made both forward and reverse directions 360 ° around screw rod 4 and rotate.

The installing hole 2 of blade center, for blade being arranged on the driving shaft of mower, realizes with drive shaft turns.

When power drives drive shaft turns, blade rotates thereupon.Because the brace 7 of auxiliary-blade is flexibly connected with blade, under centrifugal action, the inclined tab 6 be integrated with brace 7 one-tenth and parallel plate 5 are thrown out of and stretch out the outer end of blade cutter 3 in the radial direction of blade cutter 3, and circle along with blade.

In this case, the brace 7 of auxiliary-blade can cut off the grass of setting, and parallel plate 5 can cut off the grass of setting by ground proximity, and inclined tab 6 can cut off the grass of lodging on ground.Lodging can also be provoked at the grass on ground by parallel plate 5, is convenient to inclined tab 6 and cuts from different directions with brace 7, reach the effect of cutting more broken by grass.

When running into larger shrub branch, if auxiliary-blade does not cut off, because auxiliary-blade is be flexibly connected with blade cutter 3, then auxiliary-blade can be rebounded and makes counter-rotation and avoid.

Equally, when running into larger stone, auxiliary-blade also can be rebounded and makes counter-rotation and avoid.

Blade cutter 3 also has the function of the grass cutting off setting, more importantly can also cut off the undershrub branch that auxiliary-blade can not cut off.

Because auxiliary-blade is in outermost end, complete so mow primarily of auxiliary-blade.Brace 7 cross cut, inclined tab 6 is tiltedly cut, and grass can be cut to very short one section one section like this, reach the degree of pulverizing.Grass after pulverizing is scattered on the ground, and along with ensuing hoeing up weeds is loosened the soil and ploughed under in soil, fertilizer is rotted in these broken grass fermentations of being more convenient for.

Hand-held for the mower of the present utility model order according to from top to bottom mowed, so top grass is also by from top to lower cutting and grinding, avoids the careless section lodging gland plant of cutting off and affects plant growth.

When mower of the present utility model being lowered on the ground, or gentle pressure, then inclined tab 6 and the parallel plate 5 of the auxiliary-blade under blade can uproot the face of planing the ground, and cut off grass roots, also loosen the soil to ground simultaneously.

The structure of three blade cuttves and auxiliary-blade thereof is the same, is also the same for mowing with the principle of loosening the soil of hoeing up weeds with action effect.

Embodiment 2

See Fig. 2.Blade is two lobate, blade cutter 9 and 11 circumference in equal parts.Installing hole 10 is for being arranged on the driving shaft of mower by blade.

Auxiliary-blade, as the form of Fig. 6, has inclined tab 14, and inclined tab 14 and brace 13 angle are 135 °, and installing hole 25 offered by brace 13, for being connected with blade by screw rod 12.Inclined tab 14 lower end is flat mouth 15.

Identical with embodiment 1, auxiliary-blade is also movable.Therefore be also basic the same for mowing with the principle of loosening the soil of hoeing up weeds with action effect.

Difference is the parallel plate 5 that the shape of auxiliary-blade does not have in embodiment 1, therefore, is difficult to the grass that ground proximity cuts off setting, lodging can not be provoked at the grass on ground.But the flat mouth 15 of inclined tab 14 lower end is more conducive to cutting ground, better effects if of loosening the soil of hoeing up weeds.

Mower shown in Fig. 3 uses two above-mentioned lobate blade and auxiliary-blades, is a kind of portable mower of hand-held.Holding rod 17 is fixed on housing 18 by installation sleeve 16, and in housing 18, the driving shaft 19 of power set (not shown) connects blade, and blade is rotated with driving shaft 19.

In addition, when screw rod 12 connects blade cutter 11 with brace 13, between place pad 20, be more convenient to the both forward and reverse directions 360 ° rotation of brace 13.

The mower of this embodiment, the same as described in Example 1, auxiliary-blade is running into larger cutting continuous shrub branch or when running into larger stone, also can be rebounded and make counter-rotation and avoid.Mow and complete primarily of auxiliary-blade, what blade cutter (main blade) was main still cut off undershrub branch that auxiliary-blade can not cut off.In effect, also grass can be cut to very short one section one section, reach the degree of pulverizing.Mow according to order from top to bottom during operation, top grass also by from top to lower cutting and grinding, when mower of the present utility model being lowered on the ground, or gentle pressure, then the inclined tab of the auxiliary-blade under blade enters ground, carries out hoe and to plane the ground face, cut off grass roots, also loosened the soil in ground simultaneously.

Embodiment 3

See Fig. 4.Blade is sawtooth circular shear blade 22, and the installing hole 21 of blade center, for blade being arranged on the driving shaft of mower, realizes with drive shaft turns.Auxiliary-blade is as the form of Fig. 6.

Auxiliary-blade arranges four in length and breadth, and it is installed and identical with embodiment 2 with action effect with the principle of loosening the soil of hoeing up weeds for mowing.

The dissection of sawtooth circular shear blade 22 is mainly completed by sawtooth 23 as different from Example 2.

Embodiment 4

See Fig. 5.This embodiment uses the sawtooth circular shear blade 22 in embodiment 3, at sawtooth circular shear blade 22 one side fixed in position rake teeth 24 down.Upwards two rake teeths are respectively set on centre bore both sides at longitudinal and transverse demeter.

Sawtooth circular shear blade 22 completes dissection by sawtooth 23, for cutting off the grass and branch branches and leaves etc. of setting.Rake teeth 24 for cutting off the grass of lodging, and loosens the soil for hoeing up weeds.

Because rake teeth has enough intensity, and rake teeth quantity is more, so the better effects if of hoeing up weeds and loosening the soil.

Claims (9)

1. have the weeder of hoeing up weeds with cutting function concurrently, comprise the blade with drive shaft turns, it is characterized in that: blade one side down arranges the downward auxiliary-blade or rake teeth that link together with blade, and auxiliary-blade or rake teeth arrange the side direction edge of a knife, and the side direction edge of a knife is towards tangential direction during blade rotation.

2. weeder according to claim 1, is characterized in that: auxiliary-blade or rake teeth are positioned at blade outer end.

3. weeder according to claim 1 and 2, is characterized in that: auxiliary-blade or rake teeth and blade rear end angulation are 30 ~ 150 °.

4. weeder according to claim 1, is characterized in that: auxiliary-blade top arranges brace, this brace and blade parallel, and is mobilizable connection with blade, realizes brace freely rotating around connector under blade.

5. weeder according to claim 4, is characterized in that: tie point is positioned at blade outer end.

6. the weeder according to claim 4 or 5, is characterized in that: the angle of brace and auxiliary-blade is 30 ~ 150 °.

7. the weeder according to claim 1 or 4, is characterized in that: the lower end of auxiliary-blade arranges the parallel plate with blade parallel.

8. the weeder according to claim 1 or 4, is characterized in that: blade is the circle of circumferential band sawtooth, or is the 2 ~ 4 lobate of circumference in equal parts.

9. weeder according to claim 8, is characterized in that: the limb of lobate blade puts the first edge on a knife or a pair of scissors.