CN209218626U

CN209218626U - A kind of lawn mower attachment device and the grass trimmer with the attachment device

Info

Publication number: CN209218626U
Application number: CN201821775917.9U
Authority: CN
Inventors: 季春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2019-08-09
Anticipated expiration: 2028-10-29

Abstract

This application provides a kind of lawn mower attachment device and with the grass trimmer of the attachment device, it include: fixed plate and axle sleeve, the axis is set in the fixed plate, wherein, there is inner hole in the axle sleeve, there is the fin extended into the inner hole on the side inner wall of the inner hole.The problem of it is cumbersome to solve existing lawn mower attachment device assembling process, and adjusts cushion block play in axle sleeve for lawn mower attachment device provided by the present application, influences the stability and service life of lawn mower work.

Description

A kind of lawn mower attachment device and the grass trimmer with the attachment device

Technical field

The utility model relates to grass trimmer accessory technical field, more particularly to a kind of lawn mower attachment device and Grass trimmer with the attachment device.

Background technique

Lawn mower is also known as weeder, grass mower, grass trimmer etc., and lawn mower is a kind of for cutting the grass on a lawn, planting The machine tool waited can greatly improve working efficiency, mitigate workload, and lawn mower is a kind of rapid wear with attachment device Part, therefore be welded to connect device in industry at present and occupy most of market.But it is welded to connect in the assembling process of device at present It needs to connect by a flat key with crankshaft, while one adjustment blade height of addition is required according to the grass of cutting of lawn mower Adjustment cushion block, cause assembling process cumbersome, increase cost, and often occur adjustment cushion block play in axle sleeve, influence The stability and service life of lawn mower work.

Utility model content

The purpose of the utility model is to provide a kind of lawn mower attachment device and with the mowing of the attachment device It is cumbersome to solve existing lawn mower attachment device assembling process, and adjusts cushion block play in axle sleeve for machine, influences The problem of stability and service life of lawn mower work.

In order to solve the above technical problems, the utility model provides the following technical solutions:

A kind of lawn mower attachment device, comprising: axle sleeve, the axle sleeve is interior to have inner hole, the lower end of the axle sleeve Positioning device with positioning turf-mown machine knife blade.

It further, further include fixed plate, the axis is set in the fixed plate.

Further, there is the fin extended into the inner hole on the side inner wall of the inner hole.

Further, the lower end of the axle sleeve has the backing of positioning turf-mown machine knife blade, have in the backing with The aperture that the inner hole connects.

Further, erecting bed is downwardly extending in the middle part of the backing.

Further, the upper surface of the axle sleeve has a pair of of limiting groove.

Further, the center of the fixed plate has axle sleeve positioning hole, and the axle sleeve passes through the axis Set positioning hole is fixed with the fixed plate.

Further, the erecting bed extends in the axle sleeve positioning hole.

A kind of lawn mower is also disclosed in the utility model, the crankshaft including engine and rotary setting, further include blade, Blade clamping screw, spring and above-mentioned attachment device, the blade are arranged by the blade clamping screw in the axle sleeve Downside, the spring keeps out between the fixed plate and the blade.

It can be seen from above-mentioned technical proposal the utility model has the following beneficial effects:

1. fin is arranged on the side inner wall for passing through the inner hole in axle sleeve due to the utility model, realize that flat key is set with axle sleeve It is set to a single piece, thus facilitates installation, labour and man hour of labour can be saved, it is effective to improve production efficiency saving by labor Cost, in addition, also eliminate because individually go production flat key, and generate labour production cost and production flat key needed for raw material Cost.

2. thus being avoided completely since traditional adjustment cushion block and axle sleeve are changed to a global facility by the utility model Adjustment cushion block in axle sleeve due to existing gap the problem of play, thus can improve lawn mower work stability and Service life.

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is the assembling structure cross-sectional view of the axle sleeve of the utility model.

Fig. 2 is the left view of the assembling structure of the axle sleeve of the utility model.

Fig. 3 is the schematic diagram of the section structure of the fixed plate of the utility model.

Fig. 4 is the top view of the fixed plate of the utility model.

Fig. 5 is the cross-sectional view of the axle sleeve of the utility model.

Fig. 6 is the top view of the axle sleeve of the utility model.

Fig. 7 is the axle sleeve of the utility model and the schematic perspective view of fixed plate.

Fig. 8 is the cross-sectional view of lawn mower.

Fig. 9 is the top view of the fixed plate in another embodiment of the utility model.

Figure 10 is the partial structure sectional view of lawn mower.

Description of symbols: hole -12, baffle -13, axis is mounted in fixed plate -1, axle sleeve positioning hole -11, blade Cover -2, limiting groove -21, fin -22, inner hole -24, backing -25, aperture -251, erecting bed -252, crankshaft -3, belt -4, skin Belt wheel -5, belt hood -6, blade -7, dish-shaped gasket -8, blade clamping screw -9, spring -10.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

The application is described further below with reference to Fig. 1 to Figure 10, a kind of lawn mower connection as shown in Figure 1 Device, comprising: axle sleeve 2, the axle sleeve 2 is interior to have inner hole 24, and the lower end of the axle sleeve 2 has positioning turf-mown machine knife blade Positioning device.

The lawn mower attachment device further includes fixed plate 1, and the axle sleeve 2 is arranged in the fixed plate 1.

Specifically, the axle sleeve 2 is sleeved on one end of the crankshaft 3.

As shown in figure 5 and figure 7, there is the fin 22 extended to the inner hole 24, institute on the side inner wall of the inner hole 24 The lower end for stating axle sleeve 2 has backing 25, has the aperture 251 to connect with the inner hole 24 in the backing 25.

As shown in Figure 1 and Figure 5, the fin 22 is fastened in the keyway of 3 side of crankshaft, by the inner hole 24 Side inner wall on fin 22 is set, realize and flat key and axle sleeve 2 be arranged to a single piece, facilitate installation, labor can be saved Power and man hour of labour, the effective production efficiency that improves save labour cost, in addition, also eliminate because individually removing production flat key, And the cost of raw material needed for the labour production cost and production flat key generated.

Such as when traditional lawn mower attachment device is installed, need that first the engine of lawn mower stands upside down, Flat key is tapped in the keyway being mounted on crankshaft 3 with the tools such as iron hammer or rubber hammer, then by the key in traditional axle sleeve 2 Slot is directed at the flat key being already installed on crankshaft 3, also tap with the tools such as iron hammer or rubber hammer and realize in place, in this way Mounting means it is very original and cumbersome, not only taken a lot of work but also time-consuming, especially operative employee requires to have that certain pincers worker is basic, and By the way that axle sleeve 2 and flat key are arranged to an overall structure, when assembly, only needs to use according to the dowel hole on crankshaft 3 utility model Hand push enters in place can be realized installation, time saving and energy saving, installs unusual simple and convenient.

As shown in Figure 1 and Figure 5, the middle part of the backing 25 is downwardly extending erecting bed 252, for the axle sleeve 2 Installation, it can also be used to install blade 7.

As shown in Figure 5 and Figure 6, the upper surface of the axle sleeve 2 has a pair of of limiting groove 21, a pair of of limiting groove 21 and grass Two convex blocks of 5 lower end of belt pulley of level ground trimmer engage respectively, and limiting groove 21 can be configured according to the requirement of type, such as machine Type requires band self-walking apparatus, and setting limiting groove 21 is had on axle sleeve 2, is mainly used for through the limiting groove 21 and skin The convex block of 5 lower end of belt wheel cooperatively forms an entirety.

Preferably, a pair of of limiting groove 21 is located at same horizontal line.

As another embodiment that has of the present embodiment, the upper surface of the axle sleeve 2 can also be not provided with the limiting groove 21, But axle sleeve 2 and belt pulley 5 are formed into an entirety by welding, power is passed through into the belt transport on belt pulley 5 To automation device, lawn mower automatic moving is made to carry out the work that cuts the grass on a lawn.

As shown in Fig. 1, Fig. 3 and Fig. 5, the center of the fixed plate 1 has axle sleeve positioning hole 11, the axle sleeve 2 is fixed by the axle sleeve positioning hole 11 and the fixed plate 1.

Specifically, the erecting bed 252 extends in the axle sleeve positioning hole 11.

As shown in Figure 3 and Figure 4, as another embodiment that has of the present embodiment, also set up that there are two knives in the fixed plate 1 Hole 12 is mounted in piece, and the two sides that hole 12 is located at the axle sleeve positioning hole 11, the limit is mounted in two blades Position mounting hole 12 can be used for installing the blade 7 of lawn mower, by 7 sets of blade in the limit installation 12 lower end extension of hole On periphery, positioned.

As shown in Fig. 2, the two sides of the fixed plate 1 have the baffle 13 flipped up.

As shown in Figures 9 and 10, a kind of lawn mower is also disclosed in the utility model, the song including engine and rotary setting Axis 3, further includes blade 7, blade clamping screw 9, spring 10 and above-mentioned attachment device, and the blade 7 is locked by the blade The downside of the axle sleeve 2 is arranged in tight bolt 9, and the spring 10 is kept out between the fixed plate 1 and the blade 7, described The top of blade clamping screw 9 is fixed in the crankshaft 3, so that blade 7, the crankshaft 3 and the fixing seat rotate synchronously, When the blade 7 encounters the blade 7 rotation of the barriers such as stone obstruction, occur between the blade 7 and the fixed plate 1 Relative motion, in the lower surface of the fixed plate 1, friction is made a sound for the end of the spring 10, reminds operator.

As shown in Figure 7 and Figure 8, the lawn mower further includes belt pulley 5, and the belt pulley 5 is set in the upper of crankshaft 3 Portion, and in a pair of of limiting groove 21 of two convex blocks of 5 lower end of belt pulley upper surface for being fastened on the axle sleeve 2 respectively, it is described Belt pulley 5 is driving pulley, and the belt 4 of lawn mower is set on belt pulley 5, also has in the downside of the belt pulley 5 The downside that hole 12 is mounted on the fixed plate 1 is mounted by two blades in the blade 7 of belt hood 6, lawn mower, It is also arranged with dish-shaped gasket 8 and blade clamping screw 9 in the lower part of the crankshaft 3, the dish gasket 8 is kept out in the blade 7 lower surface, the clamping screw 9 is set in the lower end of the crankshaft 3, and the upper end of the clamping screw 9 is kept out described The lower end of dish-shaped gasket 8.

Lawn mower attachment device provided by the utility model, for repairing engine, the replacement of lawn mower Belt 4 or belt pulley 5 are also more convenient, when such as repairing engine, replacement belt 4 or belt pulley 5, first removal of inserts to lock Bolt 9 disassembles axle sleeve 2 from crankshaft.

For traditional lawn mower attachment device, because both traditional axle sleeve 2 and flat key be it is seperated independent, press Flat key is first mounted in the keyway of crankshaft 3 by conventional Automatic manual transmission process, then installs axle sleeve 2, is frequently found axle sleeve 2 and is put down Key is installed on crankshaft 3 in transition fit, sometimes because the service life of lawn mower is longer or long-term placement does not use, It easily gets rusty at dowel hole in axle sleeve 2 and flat key cooperation card jail, causing axle sleeve 2 to disassemble from crankshaft 3 can very not just Just.

And the utility model realizes that flat key is set with axle sleeve 2 by the way that fin 22 is arranged on the side inner wall of the inner hole 24 It is set to a single piece, in this way in the engine, replacement belt 4 or belt pulley 5 for repairing lawn mower, it is only necessary to unclamp knife Piece clamping screw 9 will not more occur so that very easily hand-power can take apart axle sleeve 2 from crankshaft 3 as traditional grass Flat key in the trimmer attachment device of level ground and 2 transition fit of axle sleeve, the dowel hole and flat key of axle sleeve 2 are long-term because of lawn mower Do not use and there is a phenomenon where get rusty card jail.

For traditional lawn mower attachment device, it is provided with adjustment cushion block, blade 7 is close to be mowed for adjusting The distance on meadow, some crankshafts 3 are shorter, if directly loading onto lawn mower connection according to the length that crankshaft 3 extends Device, then the fixed blade 7 in lawn mower attachment device will lead to grass on the worked meadow of lawn mower also Be it is relatively high, absolutely not achieve the effect that real weeding, thus needing to adjust blade 7 makes it be more nearly meadow, pass The lawn mower of system is that an adjustment cushion block for setting height is put into axle sleeve 2 with attachment device, to reach adjustment blade 7 Ideal operating position, sometimes adjust cushion block production dimensional tolerance or installation it is not in place when, will lead to adjustment cushion block in axis Play in set 2 influences the stability and service life of lawn mower work.

And in lawn mower attachment device provided by the utility model, traditional adjustment cushion block is changed to axle sleeve 2 One global facility thus completely avoids adjustment cushion block in axle sleeve 2 due to existing gap the problem of play.

Lawn mower attachment device provided by the utility model can reduce the whole production cost of lawn machine, will adjust Whole cushion block and axle sleeve 2 are changed to integral structure, save the cumbersome of installation, individually remove production adjustment cushion block further, it is also possible to save Labour production cost.

Axle sleeve 2 provided by the utility model can save production fixing link, improve labour working efficiency, traditional lawn Trimmer attachment device, needs when installation that adjustment cushion block is first put into axle sleeve 2 and is attached to crankshaft 3 further along the flat key on crankshaft 3 On, and axle sleeve provided by the utility model 2 will adjust cushion block and 2 integrator of axle sleeve.Directly axle sleeve 2 is filled during installation in this way The effect of adjustment cushion block is realized in the backing 25 on crankshaft 3, having had by axle sleeve 2.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of lawn mower attachment device characterized by comprising axle sleeve (2), the axle sleeve (2) is interior to have inner hole (24), the lower end of the axle sleeve (2) has the positioning device of positioning turf-mown machine knife blade.

2. lawn mower attachment device according to claim 1, which is characterized in that it further include fixed plate (1), it is described Axle sleeve (2) is arranged on the fixed plate (1).

3. lawn mower attachment device according to claim 1, which is characterized in that in the side of the inner hole (24) There is the fin (22) extended into the inner hole (24) on wall.

4. lawn mower attachment device according to claim 2, which is characterized in that the lower end of the axle sleeve (2) has There is the backing (25) of positioning turf-mown machine knife blade, there is the aperture to connect with the inner hole (24) in the backing (25) (251)。

5. lawn mower attachment device according to claim 4, which is characterized in that the middle part of the backing (25) to Under extend to form erecting bed (252).

6. lawn mower attachment device according to claim 4, which is characterized in that the upper surface of the axle sleeve (2) With a pair of of limiting groove (21).

7. lawn mower attachment device according to claim 5, which is characterized in that the center of the fixed plate (1) Position has axle sleeve positioning hole (11), and the axle sleeve (2) passes through the axle sleeve positioning hole (11) and the fixed plate (1) fixed.

8. lawn mower attachment device according to claim 7, which is characterized in that the erecting bed (252) extends In to the axle sleeve positioning hole (11).

9. a kind of lawn mower, the crankshaft (3) including engine and rotary setting, which is characterized in that further include blade (7), Attachment device described in Arbitrary Term in blade clamping screw (9), spring (10) and claim 1-8, the blade (7) pass through institute It states blade clamping screw (9) to be arranged in the downside of the axle sleeve (2), the spring (10) is kept out in the fixed plate (1) and institute It states between blade (7).