CN101438654A

CN101438654A - Mower

Info

Publication number: CN101438654A
Application number: CNA2008101776194A
Authority: CN
Inventors: 伊藤正宽
Original assignee: Makita Corp
Current assignee: Makita Corp
Priority date: 2007-11-19
Filing date: 2008-11-17
Publication date: 2009-05-27
Also published as: JP2009118823A; JP5188156B2

Abstract

The purpose of the present invention is to provide the technologies that one kind can reduce the size in the front-back direction of grass trimmer. Grass trimmer (10) has: the careless path (14) of main body (12), grass box (16), collection and fan (24) with blade (26). Collect careless path (14) and is connected to from the rear portion of blade (26) by the rear of grass box (16) with the top of grass box (16) or middle part. Rotation of the fan (24) through motor (22) and rotate, the grass that will be cut off by blade (26) is collected careless path (14) and is collected into grass box (16).

Description

Mower

Technical field

The present invention relates to have the mower of the collection grass container that is used to collect the grass of cutting off.

Background technology

Put down in writing mower in the patent documentation 1 with the careless container of collection.Above-mentioned mower possesses mowing portion, collects careless container, collects careless path and aspirating mechanism.

Mowing portion has the rotating blade of mowing.The place ahead through the careless container of collection is communicated with the top that collects careless container from the rear portion of mowing portion to collect careless path.Aspirating mechanism produces suction wind, and above-mentioned suction wind blows to the careless container of collection from mowing portion through the careless path of collection.By above-mentioned structure, the grass of being cut off by mowing portion can be collected in the careless container of collection.

Patent documentation 1: TOHKEMY 2004-159621 communique

In the mower of patent documentation 1, collect careless container with respect to the collection grass path of extending and be configured in more rear, and it is rearward outstanding to collect careless container from the rear portion of mowing portion.Consequently, increased the size of the fore-and-aft direction of mower.

Summary of the invention

In view of the above problems, the invention provides a kind of technology of size of the fore-and-aft direction that can dwindle mower.

The mower of specializing through the present invention possesses: have mowing portion main body, collect careless container, collection careless path and aspirating mechanism.Collecting careless container is to be provided with for collecting the grass of being cut off by mowing portion.The rear by the careless container of collection is communicated with the top or the middle part that collect careless container from the rear portion of mowing portion to collect careless path.Aspirating mechanism produces the suction wind that blows to the careless container of collection from mowing portion through the careless path of collection.

In above-mentioned mower, collect careless container with respect to the collection grass path configurations of extending in its place ahead from the rear portion of mowing portion.Thus, suppressed to collect the rearward outstanding situation of careless container, thus the size that can dwindle the fore-and-aft direction of mower.

Preferably, above-mentioned mower also possesses the handgrip that extends in the back upper place of main body.At this moment, preferably, collect the local at least of careless path and extend along handgrip.In addition, preferably, collect the place ahead that careless container is fixed on handgrip.

In the above-described configuration, collect the place ahead that careless container is fixed on handgrip, therefore collecting careless container can be not outstanding to the rear of handgrip.Thereby prevented that the careless container of collection makes troubles for the user who is positioned at the handgrip rear in cutting operation.

Preferably, above-mentioned handgrip be positioned at the main body rear level shaft support and can with respect to main body forwards, backwards direction rotate, and the center of gravity that can turn to handgrip is positioned at the vertical direction reception position on the front than rotating shaft.

According to above-mentioned formation, when making handgrip turn to reception position, can make handgrip and collect the top that careless container is positioned at main body.Thus, can dwindle the accommodation space of mower.

Preferably, in above-mentioned mower, collect careless container according to fixing with respect to the mode of handgrip loading and unloading, the part at least that collects careless path is to form face by the path that is arranged at handgrip to delimit with the outer peripheral face of the careless container of collection.

According to above-mentioned formation, take off from handgrip by collecting careless container, can easily clean collecting careless path.

According to the present invention, can dwindle the size of the fore-and-aft direction of mower, and when dwindling the accommodation space of mower, also improve the operability when mower is mowed.

Description of drawings

Fig. 1 is the end view of mower when taking in.

Fig. 2 is the longitudinal sectional view of Fig. 1.

Fig. 3 is the enlarged drawing of the main body of Fig. 2.

Fig. 4 is the upward view of mower.

Fig. 5 is the stereogram of the careless guiding element of collection.

End view when Fig. 6 is the mower use.

Symbol description: 10... mower; 12... main body; 14... collect careless path; 16... collect careless box; 18... handgrip; 20... housing; 22... motor; 24... fan; 26... blade; 26a... rotating blade; 26c... ledger-plate; 30... collect careless guiding element; 30a... top guiding element; 30b... sidewall; 30c... inclined plane; 32... wheel; 34... collection grass mouth.

Embodiment

Enumerate the principal character of the embodiment that record will illustrate at first, below.

(mode 1) main body is provided with a pair of wheel, and above-mentioned a pair of wheel is configured on the same axle.

The careless container of (mode 2) collection part at least is to be made by transparent or semitransparent material.

(mode 3) is at handgrip under the state of reception position, and handgrip and the careless container of collection are accommodated in the scope of vertical direction of main body.

(mode 4) rotating shaft of wheel and the rotating shaft of handgrip are configured on the same straight line.

Embodiment:

Below, describe having implemented mower of the present invention with reference to the accompanying drawings.Fig. 1 is the end view that expression mower 10 is in receiving state.Fig. 2 is the longitudinal sectional view of Fig. 1.Fig. 3 is the partial enlarged drawing of Fig. 2.Fig. 4 is 10 figure from the beneath to the mower.

Mower 10 possesses as depicted in figs. 1 and 2: main body 12, the careless box 16 of collection and handgrip 18 etc.Mower 10 is hand-push type mowers, is pushed to Fig. 1 left when mowing.Below, with the direct of travel (left side of Fig. 1) of mower 10 " preceding ", with " back " of its rightabout (Fig. 1 right side) as mower 10 as mower 10.That is, for example be called for short " the place ahead " this statement and mean " direct of travel the place ahead ".

Main body 12 mainly possesses: housing 20, motor 22, fan 24, blade 26 and height-regulating device 28.Motor 22 is built in the housing 20.The mains cord 42 that is connected via the handle portion 18a with handgrip 18 described later from external power source is with electric power supply motor 22.Motor 22 has the rotating shaft 22a that extends along the above-below direction of main body 12 etc.When to motor 22 power supplies, rotating shaft 22a is the center rotation with the axle center.The lower end of rotating shaft 22a is fixed with fan 24.As shown in Figure 3, fan 24 has fan main body 24a that the bottom is a roughly circular plate shape and a plurality of blade 24b that give prominence to setting from the bottom of fan main body 24a downwards.Fan 24 rotates along with the rotation of rotating shaft 22a.

The place ahead of fan 24 disposes blade 26.Blade 26 has ledger-plate 26c and rotating blade 26a.Ledger-plate 26c is fixed in main body 12.As shown in Figure 4, ledger-plate 26c is circular plate shape roughly.On the outer peripheral edges of the rearward part of front end of ledger-plate 26c, equally spaced dispose a plurality of blade 26d.Rotating blade 26a overlay configuration is above ledger-plate 26c.Rotating blade 26a is connected with the rotating shaft 22a of motor 22 via a plurality of gears, and can be by motor 22 rotations.A plurality of blade 26b that the pivot that extends from the vertical direction of rotating blade 26a extends laterally uniformly-spaced and side by side are being configured on the rotating blade 26a on the direction of rotation.The radius of turn of the blade 26b of rotating blade 26a and distance from the pivot of rotating blade 26a to the blade 26d of ledger-plate 26c are about equally.Blade 26 is by making rotating blade 26a rotation, thereby utilizes the blade 26d of the blade 26b of rotating blade 26a and ledger-plate 26c to clamp that grass mows.

Height-regulating device 28 has a 28b, grounding parts 28d and dial 28a etc.Axle 28b extends at the above-below direction of main body 12.The center of axle 28b and the pivot of rotating blade 26a are positioned at concentric position.Axle 28b spiral is chimeric and be bearing on the axle support 28c in the housing 20.Be fixed with grounding parts 28d on the lower end of axle 28b.Grounding parts 28d is configured in the below of ledger-plate 26c.Grounding parts 28d is for roughly discoid, and from its outer edge to central part thickening gradually.When utilizing mower 10 to mow, the lower surface of grounding parts 28d and ground ground connection.The user can make 28b axle support 28c rotation relatively by rotation dial 28a.Consequently, blade 28b moves relative to axle support 28c above-below direction, thus the variable in distance between grounding parts 28d and the blade 26.Thus, can change distance between blade 26 and the ground.

The place ahead of main body 12 is equipped with the careless guiding element 30 of collection.Collecting careless guiding element 30 installs in the mode of main body 12 loading and unloading relatively.As shown in Figure 5, collect careless guiding element 30 and have top guiding element 30a and pair of sidewalls 30b.The place ahead that collects careless guiding element 30 is opened wide.Top guiding element 30a is positioned at the top of the front side of rotating blade 26a.The front end of top guiding element 30a and the front end of ledger-plate 26c are positioned at roughly same position.Pair of sidewalls 30b extends downwards on the left and right sides of guiding element 30a up.The lower surface of the lower end of sidewall 30b and ledger-plate 26c is on the roughly same plane.The front end of the front end of pair of sidewalls 30b and top guiding element 30a is in roughly same position.The inboard inclination of the inner face backward directions of the front end of sidewall 30b.The position that the rear end of sidewall 30b extends to pivot than rotating knife sheet 26a after leaning on.Rear after leaning on than the rear end of sidewall 30b, the inner face 20b of the back bottom by housing 20 closes opening.The inner face 20b that collects the preceding bottom surface 20a of careless guiding element 30 and housing 20 and back bottom forms and is cut into the space, above-mentioned be cut into the space from the top, side and rear surround blade 26.

Sidewall 30b separately on be formed with inclined plane 30c, above-mentioned inclined plane 30c is direction rear and oblique to blade 26 inclinations in the past.Inclined plane 30c is formed at the pivot position on the front than rotating knife sheet 26a.Inclined plane 30c forms according to the mode that the front end from sidewall 30b rearward increases the thickness of sidewall 30b gradually.Left and right symmetrically forms the inclined plane 30c of a sidewall 30b and the inclined plane 30c of another sidewall 30b.Inclined plane 30c is connected with the above-below direction of sidewall 30b and forms.Leaning on the sidewall 30b at rear, be formed with flexure plane 30d with inclined plane 30c than inclined plane 30c with being connected.Flexure plane 30d is along the outer rim shape bending of ledger-plate 26c.Sidewall 30b extends to the position of the blade 26d that is formed with ledger-plate 26c.In addition, the rear end of sidewall 30b bends to ledger-plate 26c.

At the rear of main body 12, a pair of wheel 32 is rotatably supported in main body 12.The rotating shaft of wheel 32 is configured in the rear of fan 24.Mower 10 advances to specific direction by making wheel 32 relative main body 12 rotations.

The rear of fan 24 is formed with collection grass mouth 34.The front end of collection grass mouth 34 is communicated with the rear that is cut into the space that surrounds blade 26.The rear end of collection grass mouth 34 is communicated with the lower end in the careless path 14 of collection.Collecting careless path 14 extends along handgrip 18.Handgrip 18 has base portion 18b and handle portion 18a.Is that relative main body 12 turns with the lower end of base portion 18b by shaft support, and the rotating shaft of above-mentioned rotating shaft and wheel 32 is on the same straight line.Than the middle part of base portion 18b by under the below, particularly, the lower end of the base portion 18b during from state that mower 10 is contained is in the scope of the roughly sustained height of main body 12, base portion 18b forms tubular.The inner peripheral surface of above-mentioned tubular forms face 18d and delimit the careless path 14 of collection as lower path.Centre than base portion 18b is formed with upper path formation face 18c by last top.It is open that upper path forms its place ahead of face 18c.The place ahead that is formed with the base portion 18b of upper path formation face 18c is equipped with the careless box 16 of collection.Collect careless box 16 and seal the opening portion of upper path formation face 18c by the outer peripheral face 16b of its rear side.Thus, collecting careless path 14 delimited.The upper end that is formed the collection grass path 14 that the outer peripheral face 16b of face 18c and the careless box 16 of collection delimited by upper path is forwards crooked.The upper end open that collects careless path 14 is communicated with the opening 16a of the careless box 16 of collection.Collecting careless box 16 is made by translucent resin material.Collecting careless box 16 is mounted to handgrip 18 loading and unloading relatively.

Handle portion 18a is installed in the upper end of base portion 18b.As shown in Figure 6, handle portion 18a relatively base portion 18b telescopically be mounted.One end of switch 40 and mains cord 42 is installed on the handle portion 18a.The other end of mains cord 42 is connected with external power source.Thus, can be to mower 10 power supplies.When the user opens the switch 40 of handle portion 18a, power to motor 22 by mains cord 42.Thus, fan 24 and rotating blade 26a rotation.In addition, handgrip 18 can be turned to following position, and promptly the position of centre of gravity under the state that the careless box 16 of collection is installed is positioned at the forward position of vertical direction than the rotating shaft of handgrip 18.Handgrip 18 is forwards turned to do not make main body 12 and careless box 16 position contacting of collection.Handgrip 18 is under the state that leans forward most, and handgrip 18 and the careless box 16 of collection are accommodated in the vertical direction scope of main body 12.

Action during then, to the mowing of mower 10 and the flow process of cutting off grass describe.

As shown in Figure 6, when the user used mower 10 to mow, the user can make handgrip 18 rotate, up to the angle that is able to mower 10 is advanced.In addition, the user can be by stretching handle portion 18a to adjust the position of handle portion 18a.In addition, the user can change the distance between grounding parts 28d and the blade 26 by the dial 28a of rotation height-regulating device 28, can change the distance between blade 26 and the ground.Thus, can adjust the length of mowing.

When the user opens the switch 40 of handle portion 18a, power to motor 22 by external power source via mains cord 42.When motor 22 is powered, the rotating shaft 22a of motor 22 rotation.Rotary fan 24 and rotating blade 26 rotations along with rotating shaft 22a.The user is pushing away mower 10 on one side and is advancing, Yi Bian utilize rotating blade 26a and ledger-plate 26c to mow.Be inhaled into collection grass mouthfuls 34 from being cut into the space being cut into the grass cut off in the space, and be sent to the careless path 14 of collection.Deliver to the grass of collection in the careless path 14 and be collected into the careless box 16 of collection from the opening 16a of the upper end open that collects careless path 14 upper end by collecting careless box 16.

In mower 10, collect the place ahead that careless box 16 is installed in the careless path 14 of collection.Therefore, can constitute a kind of rearward outstanding structure of careless box 16 that prevents to collect.When taking in, make handgrip 18 be in the state that leans forward most.Under above-mentioned state, handgrip 18 and the careless box 16 of collection are accommodated in the vertical direction scope of main body 12.Therefore, can dwindle the accommodation space of mower 10.

In addition, in mower 10, collect the place ahead that careless box 16 is installed in handgrip 18.Therefore, when using mower 10, can suppress because of collecting the situation generation that careless box 16 dwindles the space of user's underfooting.

Collecting careless box 16 is made by translucent resin.Therefore, the user just can visual confirmation from the outside goes out to collect the amount of the grass of collecting in the careless box 16.Especially, in the mower 10 of present embodiment, collect careless box 16 and be arranged on the place ahead of handgrip 18, and collect the rear of careless path 14 by the careless box 16 of collection.Thus, for the operating personnel of enforcement cutting operation, collect the dead angle that careless box 16 can not be trapped in the careless path 14 of collection, handgrip 18 with respect to controlling handgrip 18.Therefore, can prevent trouble before it happens to collecting the grass collection condition of poor that is full of grass in the careless box 16 and causes cutting off.In addition, collecting careless box 16 also can be that its integral body is made by translucent or material transparent, and also only its part is made by translucent or material transparent.

In the mower 10, the part that collects careless path 14 is that the outer peripheral face 16b that the upper path by handgrip 18 forms face 18c and the careless box 16 of collection delimit.Thus, the formation of mower 10 can be simplified.In addition, take off from handgrip 18, can be easy to the inside that collects careless path 14 is cleaned by collecting careless box 16.

Collect on the sidewall 30b of careless guiding element 30 and be formed with from the place ahead towards the rear to the oblique inclined plane 30c of blade 26 inclinations.Therefore, can utilize inclined plane 30c that grass is directed to blade 26 sides.Especially,, be directed to blade 26 sides near fixture, can cut off near the grass that is grown in the fixture by the grass that sidewall 30b will be grown when being grown near the fixtures such as wall or stone grass and cutting.In addition, can prevent that by sidewall 30b ledger-plate 26c, rotating blade 26a from contacting with fixture.Thus, can prevent that ledger-plate 26c, rotating blade 26a from contacting with fixture and damaged situation, and can prevent the situation that fixture scratches because of ledger-plate 26c, rotating blade 26a.

In addition, because of sidewall 30b goes up the inclined plane 30c that forms the interval of pair of sidewalls 30b is diminished.Thus, the aperture area that is cut into the space partly reduces.Consequently, because of fan 24 caused suction wind are tightened, thereby suction force is improved.In addition, the flexure plane 30d after leaning on than the inclined plane 30c of sidewall 30b forms along ledger-plate 26c, and the rear end of sidewall 30b is to ledger-plate 26c bending.Thus, can further dwindle the aperture area that is cut into the space.Consequently, can further improve the suction force that produces because of fan 24.

More than, though embodiments of the present invention are had been described in detail, these are illustration only, the scope to the patent request does not limit.Comprise the scheme that above illustrative object lesson is carried out various distortion, change in the technology of in the scope of patent request, being put down in writing.

For example, in the mower 10 of the foregoing description, also the careless box 16 of collection can be fixed on the top of main body 12.In these cases, collecting careless path 14 can be that extend along handgrip 18 its part, also can be the outer peripheral face extension along the careless box 16 of collection.

In addition, for example, collecting careless box 16 and do not limit and form the case shape, also can be netted sack.

In addition, for example, inclined plane 30c also can only be formed on the sidewall 30b.

Illustrated technology essential factor is to bring into play the key element of technology serviceability by independent or various combinations in this specification or the accompanying drawing, and the combination of putting down in writing in the claim when not being applied limits.Illustrative technology can be reached a plurality of purposes simultaneously in this specification or the accompanying drawing, and reaches one of them purpose serviceability that just possesses skills itself.

Claims

1. mower is characterized in that possessing:

Main body, it has mowing portion;

Collect careless container, it is used to collect the grass of being cut off by mowing portion;

Collect careless path, its rear portion from mowing portion is communicated with the top or the middle part of the careless container of collection through the rear that collects careless container; And

Aspirating mechanism, it produces suction wind, and above-mentioned suction wind blows to the careless container of collection from mowing portion through the careless path of collection.

2. mower according to claim 1 is characterized in that, also possesses the handgrip that extends in the back upper place of main body,

Collect the local at least of careless path and extend along handgrip,

Collect careless container and be fixed on the place ahead of handgrip.

3. mower according to claim 2 is characterized in that,

Handgrip be positioned at the main body rear level shaft support and can with respect to main body forwards, backwards direction rotate, and the center of gravity that can turn to handgrip is positioned at the vertical direction reception position on the front than rotating shaft.

4. according to claim 2 or 3 described mowers, it is characterized in that, collect careless container according to can fixing with respect to the mode of handgrip loading and unloading,

The part at least that collects careless path is to form face by the path that is arranged at handgrip to delimit with the outer peripheral face of the careless container of collection.