CN204616401U - Mower - Google Patents

Abstract

The utility model relates to a lawn mower, which comprises a base and a push rod rotatably connected with the base. The base is provided with at least two position-limiting parts capable of positioning the push rod at different heights. The positioning piece and the push rod toggle for controlling the selective cooperation between the positioning piece and the at least two limit parts, the distance from the limit part to the push rod toggle is greater than 0.4 meters. For the above-mentioned lawn mower, the push rod is set on the push rod, and the operator can use the push rod to control the positioning part to selectively cooperate with different limit parts on the base without bending over, so as to position the push rod at different positions. The height is very easy to operate.

Description

Mower

Technical field

The utility model relates to gardens class power tool, particularly relates to a kind of mower.

Background technology

Mower is a kind of conventional gardens class power tool, and it generally comprises base, be installed on power unit on base and cutting blade, and mower utilizes power unit to drive cutting blade to rotate to carry out cutting operation.

Mower base is provided with push rod, and push rod is provided with the handle gripped for operator.Push rod can carry out height and regulate, to change the terrain clearance of handle to adapt to the operator of different height.But current mower, mostly need bend over adjustment push rod height or folded for storage, operability is poor.

Utility model content

Based on this, be necessary to provide a kind of push rod height adjustment operation mower easily.

A kind of mower, the push rod comprise base, being connected with base rotation, described base is provided with at least two limiting sections that push rod can be positioned at differing heights, described push rod is provided with keeper and controls described keeper and dials with the push rod that described at least two limiting sections selectively coordinate and turn round, and limiting section to described push rod is dialled the distance turned round and is greater than 0.4 meter.

Wherein in an embodiment, described push rod is dialled to turn round and is rotationally connected with described push rod, and described keeper is the alignment pin that can move along the length direction of described push rod, and described push rod is dialled when reversing dynamic and driven described alignment pin to move, and described limiting section is spacing hole.

Wherein in an embodiment, described push rod is dialled to turn round and is connected by traction belt between described keeper.

Wherein in an embodiment, described push rod inside is hollow-core construction, and it is inner that described alignment pin is positioned at described push rod, is also provided with elastic reset part between described push rod and described alignment pin.

Wherein in an embodiment, be provided with lining between described alignment pin and described push rod inwall, the inwall of described lining has stage portion, and described elastic reset part is limited between described stage portion and alignment pin.

Wherein in an embodiment, described base offers pivot, described alignment pin offers mounting hole, described alignment pin to be enclosed within pivot by mounting hole and can pivot relative or moving linearly.

Wherein in an embodiment, described base is provided with banking stop, and described at least two spacing holes are opened on described banking stop and along the short transverse of mower and arrange.

Wherein in an embodiment, described at least two spacing holes intersect each other.

Wherein in an embodiment, described push rod is provided with armrest part away from one end of base, and described push rod dials the position turned round and be arranged near described armrest part.

Wherein in an embodiment, described push rod is also provided with control panel near armrest part place, and described push rod is dialled and is turned round installation on the control panel.

Above-mentioned mower, push rod is dialled to turn round and is arranged on push rod, push rod is dialled the distance turned round from base upper limit portion and is greater than 0.4 meter, operator does not need to bend over to utilize push rod to dial and turns round to control keeper and selectively coordinates from the different limiting sections on base, and then push rod is positioned at differing heights, operate very easy.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the mower of the utility model embodiment, and wherein universal wheel locking toggle is in the unlocked position;

Fig. 2 is the vertical view of the mower shown in Fig. 1;

Fig. 3 is the explosive view of universal wheel locking toggle;

Fig. 4 is the cross-sectional schematic that universal wheel locking toggle is installed in control panel;

Fig. 5 is the cutaway view of universal wheel steering lock mechanism;

Fig. 6 is the partial enlarged drawing of X part in Fig. 2;

Fig. 7 is the schematic diagram of mower, and wherein universal wheel locking toggle is in locked position;

Fig. 8 is the cross-sectional schematic of push rod and push rod toggle;

Fig. 9 is the distribution schematic diagram of the first spacing hole on base upper limit bit slice and the second spacing hole;

Figure 10 is the cross-sectional schematic of start button and action bars mechanism;

Figure 11 is the combination schematic diagram of start button and action bars mechanism.

Related elements reference numeral in figure is as follows:

100, mower 110, base 112, turn draw piece

114, banking stop 1142, first spacing hole 1144, second spacing hole

116, pivot 120, power unit 130, grass box

140, road wheel 142, directional wheel 144, universal wheel

1442, universal wheel steering locking machine 14422, spacer pin 14424, second elastic reset part

Structure

1443, gimbal assembly 14432, bearing 14434, rotating shaft

14436, stopper slot 1444, wheel 150, push rod

152, adjustment pin 1522, adjustment plunger 1524, adjustment shank

1526, mounting hole 154, second traction belt 156, lining

1562, stage portion 158, the 3rd elastic reset 160, control panel

Part

162, universal wheel locking toggle 1622, locating ring 16222, projection

1623, the first cam 16232, cam part 1624, second cam

16242, locating slot 1625, alignment pin 1626, handle portion

1627, the first elastic reset part 163, push rod toggle 164, start mechanism

1642, the 3rd traction belt 1643, first switch member 16432, key seat

16433, key seat return unit 16434, series connection pin 16435, series connection pin return unit

1644, second switch part 16442, supporting seat 16443, series of holes

1645, start button 16452, push-button reset part 1646, action bars mechanism

16462, pull bar 16464, the transfer block 16465, shifting block is operated

165, motor rotary speed control button 166, first traction belt 167, protective sleeve

168, electricity display unit 170, armrest part

Embodiment

For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.

It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.

Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.

Below in conjunction with accompanying drawing, the better embodiment of the utility model mower is described.

Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of mower 100, can be used to carry out cutting operation, it push rod 150 comprising base 110, be installed on the power unit 120 at base 110 top, be arranged on the grass box 130 of base 110 rear end, be installed on the road wheel 140 of base 110, be arranged on base 110 rear end.Push rod 150 end is fixed with control panel 160.

The cutting chamber holding cutting blade (not shown) is formed bottom base 110.Power unit 120 drives cutting blade to rotate, and then makes cutting blade perform cutting operation.Power unit 120 is motor, and the output shaft of motor is connected with cutting blade.The effect of grass box 130 is used to the chip collecting cutting generation.

Road wheel 140 is the running gear of mower 110, and it comprises a pair directional wheel 142 and a pair universal wheel 144.A pair directional wheel 142 is arranged on the both sides of base 110 rear end.A pair universal wheel 144 is arranged on the both sides of base 110 front end.A pair directional wheel 142 and a pair universal wheel 144 common support base 110 and all parts be arranged on base 110.Universal wheel 144 can be in universal state or craspedodrome state.Universal wheel 144 is in universal state and refers to that universal wheel 144 also can carry out circumference rotation by moving linearly in natural situation.Universal wheel 144 be in craspedodrome state refer to universal wheel 144 only can moving linearly but can not do circumference rotate.Time when needing mower 100 moving linearly with weeds on cutting straight line direction, universal wheel 144 is made to be in craspedodrome state.When needing mower 100 to new region job, then make universal wheel 144 be in universal state, then make universal wheel 144 turn to, and then mower 100 is turned to and moves to new operating area.

Push rod 150 and base 110 are rotationally connected.Store together with base 110 after collapsible when push rod 150 does not use, reduce the storage volume of mower.The height of push rod 150 can regulate, and enables the terrain clearance of armrest part 170 adapt to the operator of different height.

Control panel 160 is concentrated multiple control module or locking mechanism, made the various control operations carrying out mower 100 very convenient.Control panel 160 is concentrated have the universal wheel for making universal wheel 144 change between universal state and craspedodrome state lock toggle 162, in order to the height of regulating pushing rod 150 push rod toggle 163, start power unit 100 and make mower 100 start the start mechanism 164 of operation, the motor rotary speed control button 165 adjusting the operation range of mower 100, electricity display unit 168 etc.

Please refer to Fig. 1, Fig. 3 to Fig. 5, universal wheel locking toggle 162 controls universal wheel steering lock mechanism 1442 by the first traction belt 166, and universal wheel 144 is changed between universal state and craspedodrome state.Further, in the utility model, can control by universal wheel locking toggle 162 conversion that two universal wheels 144 synchronously carry out state simultaneously.

The second cam 1624 that universal wheel locking toggle 162 comprises locating ring 1622, first cam 1623, match with the first cam 1623, the handle portion 1626 being located in the alignment pin 1625 on the first cam 1623 and being connected with the second cam 1624.First traction belt 166 is connected to the first cam 1623.

Locating ring 162 is fixed on control panel 160.First cam 1623 is assembled in control panel 160 movably, and its one end through locating ring 1622, and is limited by alignment pin 1625 at the range of movement axially of locating ring 1622.First cam 1623 has the cam part 16232 matched with the second cam 1624.The first elastic reset part 1627 is provided with between cam part 16232 and locating ring 1622.

Second cam 1624 is enclosed within the first cam 1623 rotationally, and its slewing area limited by locating ring 162.Particularly, the inwall of locating ring 1622 is provided with the locating slots 16242 that outside is then provided with and projection 16222 matches of protruding 16222, second cam 1624.Pull handle portion 1626 when second cam 1624 is rotated, second cam 1624 rotates relative to the first cam 1623, due to coordinating for cam curved surface between the first cam 1623 with the second cam 1624, therefore the first cam 1623 is relative to the second cam 1624 moving linearly, thus drive the first traction belt 166 to move, and then control universal wheel steering lock mechanism 1442 works.When handle portion 1626 turns back original position, the elastic force of the first elastic reset part 1627 makes the first cam 1623 also get back to previous position.

Please refer to Fig. 1, Fig. 5 to Fig. 7, the wheel 1444 that universal wheel 144 comprises gimbal assembly 1443, is rotationally connected with gimbal assembly 1443, aforesaid universal wheel steering lock mechanism 1442 is arranged in gimbal assembly 1443.

Gimbal assembly 1443 comprises the bearing 14432 be fixed on base 110, is rotationally connected with bearing 14432 and is connected to the rotating shaft 14434 on wheel 1444.Universal wheel steering lock mechanism 1442, along the radial arrangement of rotating shaft 14434, comprising moveable spacer pin 14422, being arranged in bearing 14432 for making the second elastic reset part 14424 of spacer pin 1422 return.One end of spacer pin 1422 is connected with the first traction belt 166, and the other end can match with rotating shaft 14434 rotation limiting rotating shaft 14434.Particularly, the surface of rotating shaft 14434 offers the stopper slot 14436 matched with rotating shaft 14434.In Fig. 5, the end of spacer pin 14422 extend in stopper slot 14436, and universal wheel locking toggle 162 is in locked position, and universal wheel 144 is in craspedodrome state.Now, if pull handle portion 1626, second cam 1624 is rotated, then moving linearly is driven spacer pin 1422 moving linearly by the first traction belt 166 by the first cam 1623, spacer pin 1422 is made to exit stopper slot 14436, so just relieve the locking to universal wheel 144, make it be filled by state of keeping straight on and be changed to universal state.

In the utility model, the structure of two universal wheels 144 is identical, when driving the first traction belt 166 to move by universal wheel locking toggle 162, can control the conversion that two universal wheels 144 synchronously carry out state simultaneously.Particularly, please refer to Fig. 6, base 110 is provided with and turns draw piece 112.The spacer pin 142 of two universal wheels 144 respectively by silk rope with turn draw piece 112 and be connected.First traction belt 166 with turn draw piece 112 and be connected.Like this, spacer pin 1422 moving linearly in two universal wheels 144 can be driven by turning draw piece 112 during the first traction belt 166 moving linearly simultaneously, thus realize the State Transferring of Synchronization Control two universal wheels 144.

The major part of the first traction belt 166 is passed from push rod 150 inside, and all the other parts be positioned at beyond push rod 150 are then enclosed with protective sleeve 167, do not affect the outward appearance tidiness of mower 100.

Ginseng Fig. 1, Fig. 8, push rod 150 and base 110 are rotationally connected, and can be folded on base 110 when not using; Push rod 150 highly can regulate, and it can be locked in the diverse location place on base 110.Push rod toggle 163 in order to the height of regulating pushing rod 150 is arranged on control panel 160, and user can regulate without the need to bending over.Introduce the assembling of push rod 150 and base 110 below in detail, and how to utilize push rod toggle 163 to realize the adjustment of push rod 150 height.

Ginseng Fig. 8, push rod 150 inside is hollow-core construction, and its inside is provided with the adjustment pin 152 can moved along the length direction of push rod 150.Be connected by the second traction belt 154 between adjustment pin 152 with push rod toggle 163.Base 110 is fixed with banking stop 114.Ginseng Fig. 9, banking stop 114 offers the first spacing hole 1142 and the second spacing hole 1144 that can match with adjustment pin 152, that arrange in mower 100 short transverse.When adjustment pin 152 is arranged in the spacing hole of differing heights, push rod 150 is positioned at different height, and spacing hole is the limiting section of restriction push rod 150 height.Push rod toggle 163 is rotationally connected with control panel 160, and push rod toggle 163, when its axis of rotation, drives adjustment pin 152 moving linearly by the second traction belt 154.First spacing hole 1142 and the second spacing hole 1144 are arranged on base 110, and they are all greater than 0.4 meter to the distance of push rod toggle 163, even if operator does not need to bend over to operate push rod toggle 163.And utilize the second traction belt 154 to drive adjustment pin 152, can ensure that push rod toggle 163 can be arranged on distance the first spacing hole 1142 and the second spacing hole 1144 position far away, and structure is simple.

Lining 156 is also provided with between adjustment pin 152 and push rod 150.Adjustment pin 152 comprises adjustment plunger 1522 and regulates shank 1524, wherein regulates between the stage portion 1562 on the inwall of plunger 1522 and lining 156 and is also provided with the 3rd elastic reset part 158.

Base 110 is fixed with pivot 116.Adjustment pin 152 offers the mounting hole 1526 coordinated with pivot 116.The length of mounting hole 1526 is greater than the diameter of pivot 116.So, push rod 150 can pivotally 116 rotate relative to base 110.Further, adjustment pin 152 can relative to pivot 116 moving linearly.In Fig. 8, the pivot 116 on base 110 matches with adjustment pin 152, but pivot 116 also can be match with push rod 150, does not affect the rotation of push rod 150; Now, adjustment pin 152 does not need to arrange mounting hole 1526 in addition again.

Ginseng Fig. 8, composition graphs 9, adjustment pin 152 is arranged in the first lower spacing hole 1142 of height, when needing the height of regulating pushing rod 150, only needs adjustment pin 152 is limited in the second spacing hole 1144 by being limited in the first spacing hole 1142 to change into.Concrete operations are as follows: rotating push-rod toggle 163, and push rod toggle 163 drives adjustment pin 152 moving linearly by the second traction belt 154, and adjustment pin 152 is exited from the first spacing hole 1142.Next, keep push rod toggle 163 motionless, push rod 150 pivotally 116 is rotated, adjustment pin 152 is made to aim at the second spacing hole 1144, then unclamp push rod toggle 163, adjustment pin 152 enters the second spacing hole 1144 and drives push rod toggle 163 to rotate back into original position under the effect of the 3rd elastic reset part 158.So just complete the adjustment of push rod 150 height.

Ginseng Fig. 9, in the utility model, banking stop 114 has two spacing holes, i.e. the first spacing hole 1142, second spacing hole 1144.Push rod 150 can regulate between the two positions.Certainly, the spacing hole quantity on banking stop 114 is not limited to two, can arrange two or more as required.In addition, the first spacing hole 1142, second spacing hole 1144 intersects each other.Like this, the distance of the Kong Xinzhi second spacing hole 1144 hole heart in mower 100 short transverse of the first spacing hole 1142 is relatively little, and push rod 150 can be regulated in relatively little height space.

In the present embodiment, push rod 150 comprises independently two parts, and itself and base 110 have two place's locking relations, and push rod toggle 163 is provided with two places accordingly.Control panel 160 is fixed on two free powder ends of push rod 150, and armrest part 170 is installed on control panel 160, so just defines complete push rod 150.But mounting means is not limited thereto, such as push rod 150 and armrest part 170 can be integral structures, and namely armrest part 170 is a part for push rod 150, and the two forms a handrail jointly, now push rod 150 and armrest part 170 overall U-shaped; Control panel 160 can be that two half-shell structures being assembled into this U-shaped armrest combine.

Push rod toggle 163 is integrated on control panel 160, to form the integrated operation interface of a high concentration.But the setting position of push rod toggle 163 is not limited to control panel 160, such as, also can be arranged on push rod 150, can also be arranged on armrest part 170.Similarly, universal wheel locking toggle 162 also can be arranged on push rod 150 or armrest part 170.As previously mentioned, push rod 150, control panel 160 and armrest part 170 can be considered a handrail system, are ensureing that, under the prerequisite that user operates without the need to bending over, universal wheel locking toggle 162, push rod toggle 163 can be arranged on arbitrary position on handrail system.

Please refer to Fig. 1, Figure 10 and Figure 11, control panel 160 is also integrated with start mechanism 164.Start mechanism 164 comprises the 3rd traction belt 1642 be connected with the starting switch of power unit 120, the first switch member 1643 be connected with the 3rd traction belt 1642, second switch part 1644, the start button 1645 that the first switch member 1643 and second switch part 1644 can be connected in series, and the action bars mechanism 1646 driving described first switch member 1643 to move, wherein second switch part 1644 is connected with the 3rd traction belt 1642.When needing to start power unit 120, first press start button 1645, first switch member 1643 and second switch part 1644 are cascaded, then pulling action bars mechanism 1646 drives the first switch member 1643 to move, first switch member 1643 drives second switch part 1644 to move, second switch part 1644 makes the switch of power unit 120 close by the 3rd traction belt 1642, and then starts mower 100.Namely the startup of mower 100 needs two actions, maloperation can be avoided to cause mower 100 accidental activation, meet safety requirement, ensures the safety of operation.

Ginseng Figure 10, the first switch member 1643 comprises key seat 16432, be arranged on key seat return unit 16433 between key seat 16432 with control panel 160, be arranged in key seat 16432 and the pin 16434 of connecting that can move up and down, the series connection pin return unit 16435 that is arranged at key seat 16432 and connects between pin 16434.Key seat 16432 is provided with through hole, and the pin 16434 of connecting is through this through hole and two ends are respectively arranged with projection, and aforementioned series connection pin return unit 16435 is limited between projection and key seat 16432.Connecting, pin 16434 is corresponding with start button 1645 to be arranged.

Still please refer to the drawing 10, second switch part 1644 comprises supporting seat 16442.On supporting seat 16442, corresponding series connection pin 16434 is provided with series of holes 16443.Push-button reset part 16452 is provided with between start button 1645 and control panel 160.When pressing start button 1645, start button 1645 moves downward and is pressed on series connection pin 16434, and then makes series connection pin 16434 relatively move and to enter into series of holes 16443 by key seat 16432.So, the first switch member 1643 just connects together with second switch part 1644, and the two can move together.First operational motion starting mower 100 just completes.

Ginseng Figure 11, action bars mechanism 1646 comprises the operation pull bar 16462 being rotatably connected on control panel 160, the transfer block 16464 driven by operation pull bar 16462.Transfer block 16464 is pivotally connected to control panel 160, and it is connected to the first switch member 1643.Operation pull bar 16462 is fixed be provided with and promotes transfer block 16464 around its pivotally supported shifting block 16465.When first operational motion completes, after first switch member 1643 links together with second switch part 1644, operation pull bar 16462 is rotated and drives transfer block 16464 to rotate, transfer block 16464 drives second switch part 1644 to move together with the first switch member 1643, and the starting switch that second switch part 1644 controls power unit by the 3rd traction belt 1642 closes or disconnects.Thus, second operational motion starting mower 100 just completes.

Motor rotary speed control button 165 on control panel 160, is connected by the control module of power line with power unit 120 (motor).Operator, while gripping armrest part 170, can control the rotating speed of motor, mower 100 is switched between different gears conveniently by motor rotary speed control button 165.On control panel 160, electricity display unit 168 can be numerical monitor percentage, also can be to adopt form of icons.

The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. A lawn mower comprising a base and a push rod that is rotatably connected to the base, characterized in that the base is provided with at least two stoppers that can position the push rod at different heights, and the push rod is A positioning piece and a push rod toggle are provided, and the push rod toggle is used to control the positioning piece to cooperate with different limit parts to position the push rod at different heights. The twisting distance is greater than 0.4 meters. 2. The lawn mower according to claim 1, wherein the push rod toggle is rotatably connected to the push rod, and the positioning member is a positioning pin that can move along the length direction of the push rod, When the push rod is turned and turned, the positioning pin is driven to move, and the limiting part is a limiting hole. 3. The lawnmower according to claim 1, characterized in that, the push rod toggle is connected to the positioning member through a traction belt. 4. The lawn mower according to claim 2, wherein the interior of the push rod is a hollow structure, the positioning pin is located inside the push rod, and a Elastic return. 5. The lawn mower according to claim 4, wherein a bushing is provided between the positioning pin and the inner wall of the push rod, the inner wall of the bushing has a stepped portion, and the elastic reset member limits It is located between the stepped portion and the positioning pin. 6. The lawn mower according to claim 2, wherein a pivot is provided on the base, a waist-shaped hole is provided on the positioning pin, and the positioning pin is sleeved on the pivot through the waist-shaped hole And it can rotate relative to the pivot or move linearly. 7. The lawnmower according to claim 2, characterized in that, the base is provided with a limiting piece, and the at least two limiting holes are opened on the limiting piece and arranged along the height direction of the lawnmower . 8. The lawn mower according to claim 7, wherein the at least two limiting holes intersect each other. 9 . The lawnmower according to claim 1 , wherein an armrest is provided at the end of the push rod away from the base, and the push rod toggle is arranged at a position close to the armrest. 10 . 10 . The lawn mower according to claim 1 , wherein a control panel is installed on the push rod close to the armrest, and the push rod is toggled and installed on the control panel. 11 .