CN219780938U - Mower cutter head assembly and mower - Google Patents

Abstract

The utility model is suitable for the technical field of mowers, and provides a mower cutter head assembly and a mower, and is characterized in that the cutter head is arranged at the bottom of the mower and is close to any side edge of the left side and the right side of the advancing direction of the mower; the cutter head protection cover is arranged on one side, close to the side edge of the mower, of the cutter head protection cover, a guide piece is arranged at one end, close to the side edge of the mower, of the cutter head protection cover, the guide piece extends to the outer side of the cutter head protection cover and forms a flaring towards the advancing direction of the mower, the extending direction of the guide piece faces obliquely upwards, the cutter head is arranged at the bottom of the mower and is close to any side edge of the advancing direction of the mower, the cutter head protection cover is arranged on one side, close to the side edge of the mower, only one side of the cutter head is covered by the cutter head protection cover, grass accumulation cannot be caused when mowing, the cut grass can be scattered from the other side of the protection cover, and the cutter head protection cover is arranged on one side only and is small in material consumption.

Description

Mower cutter head assembly and mower

Technical Field

The utility model belongs to the technical field of mowers, and particularly relates to a mowing machine cutter head assembly and a mowing machine.

Background

The mower is also called a weeder, a lawnmower, a lawn trimmer and the like. The mower is a mechanical tool for trimming lawn, vegetation, etc. and consists of cutter, engine, walking wheel, walking mechanism, blade, armrest and control part. The blade sets up on the blade disc, drives the blade disc rotation by the engine, and the blade of high-speed rotation prunes the grass, compares artifical pruning efficiency and promotes greatly, has saved weeding workman's operating time.

The existing mower is mainly provided with the cutter disc at the central axis position of the bottom shell of the mower, the cutter disc is fully covered by the cutter disc protection cover for safety consideration, the cutter disc protection cover is fully covered by the cutter disc, grass accumulation of the cutter disc protection cover is easy to cause, the use is affected, the problem of grass accumulation of the cutter disc protection cover can be solved if the hollow cutter disc protection cover is adopted, the manufacturing cost of the hollow cutter disc protection cover is high, and the production, the selling and the popularization of the mower are not facilitated.

Disclosure of Invention

The embodiment of the utility model provides a cutter head assembly of a mower, which aims to solve the problems that the cutter head is arranged at the central axis position of a bottom shell of the mower in the prior mower, the cutter head is fully covered by a cutter head protection cover, grass accumulation of the cutter head protection cover is easy to cause, the use is influenced, and if the hollow cutter head protection cover is adopted, the manufacturing cost is high, and the production, the selling and the popularization of the mower are not facilitated.

The embodiment of the utility model is realized in such a way, and the mower cutter head assembly is characterized in that the cutter head is arranged at the bottom of the mower and is close to any side edge of the left side and the right side of the advancing direction of the mower;

the cutter head protection cover is arranged on the cutter head and comprises a cover edge which is arranged around one side, close to the side edge of the mower, of the cutter head.

Further, a guide piece is arranged at one end of the cutter head protection cover, which faces the movement direction of the mower, and extends to the outer side of the cutter head protection cover to form a flaring which faces the advancing direction of the mower.

Further, the extending direction of the guide member is inclined upward, and forms an offset angle with the horizontal direction.

Furthermore, the cutter head protecting cover is provided with reinforcing ribs.

Further, the reinforcing ribs are arranged at intervals perpendicular to the grass feeding direction.

Still further, the cutterhead protection cover is arranged between the cutterhead and the bottom of the mower, and the cutterhead protection cover further comprises a fixing plate connected with the cover edge;

the fixed plate is connected with the bottom of the mower;

the cover extends beyond the outer edge of the cutter disc along a side, which is close to the side edge of the mower, of the fixing plate to the direction of the cutter disc, and is at least flush with the cutter disc.

Further, the fixing plate is smoothly connected with the cover edge.

Further, the flange extends from the side of the fixing plate opposite to the cover edge.

Furthermore, the cutterhead protection cover is made of PVC materials.

Embodiments of the utility model also provide the independent claim of the second set of claims. A mower comprises a mower body and a mower cutter assembly;

the cutter head assembly is arranged at the bottom of the machine body.

The utility model has the beneficial effects that:

through setting up the blade disc in the lawn mower bottom and be close to the arbitrary side of lawn mower direction of advance left and right sides to cover in one side that is close to the lawn mower side and establish the blade disc safety cover, because the blade disc safety cover only covers one side of blade disc, can not cause the grass accumulation when mowing, the grass of cutting off can be followed the opposite side of blade disc safety cover and scattered, and the blade disc safety cover only sets up in one side, and the material is few, also need not to set up the fretwork, has reduced processing procedure, the cost is reduced.

Drawings

FIG. 1 is a schematic view of a mower body;

FIG. 2 is a bottom view of the mower of the present utility model;

FIG. 3 is a schematic perspective view of a cutterhead protector of the present utility model;

description of main reference numerals:

mower bottom case 100, mower top case 110, cutterhead 200, blade 210, cutterhead protection cover 300, guide 310, reinforcing ribs 320, mounting holes 330, mounting grooves 340, cover rim 350, flange 360, and fixing plate 370.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "left," "right," "horizontal," "top," "bottom," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

A cutter head assembly of a mower is arranged at the bottom of the mower, the cutter head assembly comprises a cutter head and a cutter head protection cover, the cutter head assembly is close to any side edge of the left side and the right side of the advancing direction of the mower, and the cutter head protection cover is arranged on one side, close to the side edge of the mower, of the cutter head. Through setting up the blade disc in the lawn mower bottom and be close to the arbitrary side of lawn mower direction of advance left and right sides to cover in one side that is close to the lawn mower side and establish the blade disc safety cover, because the blade disc safety cover only covers one side of blade disc, can not cause the grass accumulation when mowing, the grass of cutting off can be followed the opposite side of blade disc safety cover and scattered, and the blade disc safety cover only sets up in one side, and the material is few, also need not to set up the fretwork, has reduced processing procedure, the cost is reduced.

Example 1

Referring to fig. 1 to 3, in a cutter head assembly of a mower of the present embodiment, a cutter head 200, the cutter head 200 is disposed at the bottom of the mower and is close to either one of left and right sides in the advancing direction of the mower;

cutterhead protector 300. Cutterhead protector 300 is arranged on cutterhead 200 in a covering manner, and cutterhead protector 300 comprises a cover edge 350 which is arranged around one side of cutterhead 200 close to the side edge of the mower.

The mower comprises a mower bottom shell 100 and a mower upper shell 110, wherein a cutter 200 is positioned at the bottom of the mower bottom shell 100, and particularly, reference is made to fig. 1 and 2.

In fig. 2, the advancing direction of the mower is marked, and according to the bottom view of the mower in fig. 2, the cutter head 200 is located at the left side of the bottom shell 100 of the mower, i.e. when the mower is normally placed, the cutter head 200 is located at the right side of the bottom shell 100 of the mower. However, in a specific application, the cutterhead 200 may be located on the other side of the bottom of the mower bottom case 100, and the two have the same beneficial effects.

The cutter head protection cover 300 comprises a cover edge 350, the cutter head protection cover 300 is covered on the cutter head 200, the cover edge 350 is arranged around one side of the cutter head 200 close to the side edge of the mower, and one side of the cutter head 200 away from the side edge of the mower is not provided with the cover edge 350, so that the cover edge 350 can not be shielded.

The cutter head 200 is provided with blades 210, and the blades 210 may be uniformly distributed along the cutter head 200. Too few blades 210 can affect mowing, and too many blades 210 can increase production costs. The blade 210 may be provided in three pieces, which reduces the production cost while ensuring the mowing effect.

When grass is cut by blade 210 at a location remote from the sides of the mower, the cut grass will be directly removed therefrom as it is not shielded by the rim 350. When grass near the side of the mower is cut off by the blade 210, the cut grass cannot be scattered due to the shielding of the cutter head protective cover 300, and the cut grass moves away from the side of the mower along with the rotation of the cutter head 200, and the shielding of the cover edge 350 is not formed at the position, so that the cut grass can be scattered from the position, and the condition of grass accumulation can be effectively reduced.

The offset design of the cutterhead protective cover 300 has less material consumption, and no hollowed-out parts are needed, so that the processing procedures are reduced, and the cost is reduced.

Example two

Referring to fig. 1 to 3, in the first embodiment, a guide 310 is disposed at an end of the deck guard 300 facing the moving direction of the mower, and the guide 310 extends outside the deck guard 300 to form a flare facing the advancing direction of the mower.

The guide member 310 and the cutterhead protection cover 300 may be one of welded connection, integrated connection, bolt connection and clamping connection, and the guide member 310 has a guiding effect, so that grass can be bound to the bottom of the cutterhead protection cover 300 along the guide member 310.

Specifically, referring to fig. 3, after the cutter head protection cover 300 contacts with grass, the guide member 310 on the right side of the cavity at the bottom of the cutter head protection cover 300 extends to the outside of the cutter head protection cover 300 to form a flaring towards the advancing direction of the mower, so that the grass can be folded towards the cutter head, and the grass can deviate from the cavity at the bottom of the cutter head protection cover 300 and is cut off by the blade 210 at the bottom of the cutter head protection cover 300.

The guide 310 may enable the cutter head protection cover 300 and the blade 210 to contact a greater amount of grass, so that the cutter head 200 and the blade 210 increase the mowing amount during one-time moving mowing operation, thereby improving mowing efficiency and saving time.

Example III

Referring to fig. 1 to 3, in the second embodiment, the extending direction of the guide member 310 is inclined upward to form an offset angle with the horizontal direction.

When mowing, the ground is not absolutely flat, and there are often small projections such as convex hulls or stones, when the projections are encountered, the guide member 310 contacts with the projections before the cutterhead, the guide member 310 is inclined upwards to form a deflection angle, and when the guide member 310 contacts with the projections, the whole mower is lifted along the outer edge of the projections, so that the cutterhead 200 is prevented from being directly contacted with the projections, and the cutterhead 200 is prevented from being damaged. The service life of the cutterhead 200 is improved.

Example IV

Referring to fig. 1 to 3, in the first, second or third embodiment, a reinforcing rib 320 is provided on the cutterhead protector 300.

The reinforcing ribs 320 may further increase the stability of the cutterhead protector 300. The reinforcing ribs 320 increase the supporting force to the cutterhead protection cover 300, so that the cutterhead protection cover 300 is close to one side of the guide piece 310, the conditions of shaking, deformation and fracture cannot occur easily, and the service life of the cutterhead protection cover 300 can be prolonged.

Specifically, referring to fig. 3, if stone, metal, etc. are encountered by the cutterhead protector 300 near the guide 310, the plurality of reinforcing ribs 320 may increase the strength of the cutterhead protector 300, reducing the damage to the cutterhead protector 300 due to the stone.

Example five

Referring to fig. 1 to 3, on the basis of the fourth embodiment, reinforcing ribs 320 are arranged at intervals perpendicular to the grass feeding direction.

The reinforcing ribs 320 are arranged at intervals, so that on one hand, the cost can be reduced under the condition of increasing the quality of the cutterhead protective cover 300, the number of raw materials used for manufacturing the cutterhead protective cover 300 is reduced, on the other hand, the reinforcing ribs 320 are more attractive on the surface of the cutterhead protective cover 300, the market trend is more adapted, and a certain potential function of improving the sales volume of the mower is achieved.

Specifically, referring to fig. 3, the reinforcing ribs 320 are not only arranged at intervals, but also in a coherent arc state at a position close to the bottom wall, so that the integral structure is more attractive, the outer wall of the reinforcing rib 320 is smoother, the friction force is smaller, and after grass contacts with the reinforcing ribs 320, other materials such as grass and stone can be quickly separated from the reinforcing ribs 320, and the reinforcing ribs 320 cannot be damaged.

Example six

Referring to fig. 1 to 3, on the basis of the first, second, third, fourth or fifth embodiments, the cutterhead protection cover 300 is disposed between the cutterhead and the bottom of the mower, and the cutterhead protection cover 300 further includes a fixing plate 370 connected to the cover edge 350;

the fixed plate 370 is connected with the bottom of the mower;

the shroud 350 extends beyond the periphery of the cutterhead 200 from a side of the mounting plate 370 adjacent the side of the mower to the cutterhead and is at least flush with the cutterhead 200.

The cutter head protection cover 300 is arranged to protect the cutter head 200 and the blades 210, so that the top of the cutter head protection cover 300 is connected with the bottom of the mower, and the cutter head protection cover 300 immediately wraps the cutter head 200 and the blades 210, so that the cutter head 200 is positioned at the cavity position of the bottom of the cutter head protection cover 300. The cover edge 350 extends from a side of the fixing plate 370 near the mower side to the outside of the cutter disc 200 and is at least flush with the cutter disc 200, so as to ensure that the cutter disc 200 is completely covered on the side of the cover edge 350 near the mower side, and prevent the cutter disc 200 from being not protected in place by the cutter disc protection cover 300, so that the cutter disc 200 is damaged or personnel are injured.

Specifically, the bottom of the mower is provided with the mower bottom shell 100, the bottom wall of the mower bottom shell 100 is attached to the top wall of the convenient fixing plate 370, the middle of the surface of the fixing plate 370 is provided with the mounting groove 340, the surface of the fixing plate 370 is located around the mounting groove 340 and provided with the plurality of mounting holes 330, and the mounting holes 330 are annularly distributed around the mounting groove 340.

The whole shape of the cutter 200 is a cylindrical structure, the cutter 200 and the mounting groove 340 are arranged in the same circle center, a motor is arranged in the mower, an output shaft of the motor penetrates through the mounting groove 340 and is connected with the cutter 200, the motor in the mower drives the cutter 200 to rotate through the output shaft and the mounting groove 340, and the cutter 200 drives the blade 210 to rotate after rotating, so that the mower plays a mowing effect through the blade 210.

When the cutter head 200 is connected with the motor inside the mower through the mounting groove 340, the fixing plate 370 is not fixed at this time and is located between the cutter head 200 and the bottom shell 100 of the mower, at this time, bolts can pass through the mounting holes 330 from the bottom of the fixing plate 370, so that the bolts pass through the mounting holes 330 to be connected with the bottom shell 100 of the mower, and then the fixing plate 370 and the cutter head 200 are connected with the bottom of the mower.

Specifically, referring to fig. 2 and 3, the fixing plate 370 and the mounting hole 330 may be mounted at the bottom of the mower, and the cutterhead protection cover 300 may wrap the cutterhead 200, and at the same time, the cutterhead protection cover 300 may be detached, replaced and maintained according to the use requirement, so that the flexibility is higher, and more selectivity is provided for the staff. The flexible detachability of the fixing plate 370 and the cutterhead protection cover 300 is also convenient for detecting, maintaining and replacing the cutterhead 200.

Example seven

Referring to fig. 1 to 3, in the sixth embodiment, the fixing plate 370 is smoothly connected to the rim 350.

The top wall of the cover rim 350 and the top wall of the fixing plate 370 are in the same plane, so that the connection between the cover rim 350 and the fixing plate 370 is smoother. The cover edge 350 is connected with the fixing plate 370 in an integral mode, meanwhile, the cover edge 350 and the fixing plate 370 can be manufactured independently and then glued, but the gluing practicality is poor, the cover edge 350 and the fixing plate 370 are easy to separate, and the integral connection is more stable.

Specifically, referring to fig. 3, the fixing plate 370 is connected to the bottom of the mower, and the cover rim 350 is smoothly connected to the fixing plate 370 such that the connection of the cover rim 350 to the fixing plate 370 has no sharp points. The cover edge 350 collides with external hard objects, so that the connection part of the cover edge 350 and the fixing plate 370 is prevented from being stretched out due to stress concentration, the strength of the cutterhead protective cover 300 is enhanced, the service life of the cutterhead protective cover 300 is prolonged, and when the fixing plate 370 and the cover edge 350 are integrally formed, the cover edge 350 is smoothly connected with the fixing plate 370, and demolding and processing are easier.

This design also makes the mounting plate 370 and the rim 350 more aesthetically pleasing.

Example eight

Referring to fig. 1 to 3, on the basis of the sixth embodiment or the seventh embodiment, a flange 360 extends from a side of the fixing plate 370 opposite to the rim 350.

The flange 360 is connected to a fixing plate 370 provided on the opposite side of the rim 350. The flange 360 extends from the fixing plate 370 toward the cutter head 200, but the length of the flange 360 is shorter than the cover edge 350, and the flange 360 does not surround the cutter head 200. The cut grass turnup 360 is discharged, the turnup 360 plays a role in guiding, so that the discharged grass is discharged downwards, and the phenomenon that the grass is discharged upwards to knock the mower bottom shell 100 when a plurality of hard objects are wrapped in the discharged grass is avoided.

The cover edge 350, the flange 360 and the fixing plate 370 can be integrally formed, so that the stability of the flange 360 can be increased, and the flange 360 cannot be easily damaged. And the cover edge 350, the flanging 360 and the fixing plate 370 are integrally designed, so that the manufacturing is convenient, the complexity of the manufacturing process is reduced, and the processing efficiency is improved.

Example nine

Referring to fig. 1 to 3, on the basis of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment, the seventh embodiment or the eighth embodiment, the cutterhead protection cover 300 is made of PVC.

The whole manufacturing of the cutterhead protective cover 300 is relatively simple, the cutterhead protective cover 300 can be manufactured rapidly in a large batch, meanwhile, the supporting cost of the cutterhead protective cover 300 is relatively low, and if the cutterhead protective cover 300 is damaged, a new cutterhead protective cover can be replaced in time, so that the use cost is low. The PVC material has a certain deformation amount, can deform when being impacted by external force, slows down the external force impact, and is beneficial to prolonging the service life of the cutterhead protective cover 300 when the external force impact is removed, namely, the PVC material is restored to the original state.

Specifically, referring to fig. 2 and 3, the PVC material can be manufactured in different colors according to market demands, so that the manufacturing cost is very low, and the PVC material better caters to the market, and can obtain higher sales. And the PVC material still makes blade disc safety cover 300 overall weight lighter, is convenient for purchase, and simultaneously blade disc safety cover 300 installs behind the lawn mower bottom, can not cause weight burden to lawn mower, blade disc 200, and its self wearability is higher, economical and practical.

Examples ten

The mower comprises a machine body and a mower cutter head assembly on the basis of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment, the seventh embodiment, the eighth embodiment or the ninth embodiment;

the cutter head component is arranged at the bottom of the machine body.

The cutterhead assembly in this embodiment is the cutterhead 200, the blade 210 and the cutterhead protection cover 300, and the specific structure and specific connection relationship thereof can be seen in fig. 1, 2 and 3.

The cutter head assembly is arranged at the bottom of the machine body and is connected with the bottom shell 100 of the mower through the fixing plate 370, and the cutter head assembly is driven by the machine body to move so as to cut grass.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The mower cutter head assembly is characterized by comprising a cutter head, wherein the cutter head is arranged at the bottom of a mower and is close to any side edge of the left side and the right side of the advancing direction of the mower;

the cutter head protection cover is arranged on the cutter head and comprises a cover edge which is arranged around one side, close to the side edge of the mower, of the cutter head.

2. The mower deck assembly of claim 1 wherein said deck guard defines a guide at an end thereof facing in the direction of mower movement, said guide extending outwardly of said deck guard to define a flare facing in the direction of mower advancement.

3. The mower deck assembly of claim 2 wherein said guide member extends obliquely upward and forms an offset angle with the horizontal.

4. The mower deck assembly of claim 1 wherein said deck guard is provided with ribs.

5. The mower deck assembly of claim 4 wherein said ribs are spaced apart perpendicular to the direction of grass advancement.

6. The mower deck assembly of claim 1 wherein said deck guard is disposed between said deck and said mower bottom, said deck guard further comprising a retaining plate connected to said guard rim;

the fixed plate is connected with the bottom of the mower;

the cover extends beyond the outer edge of the cutter disc along a side, which is close to the side edge of the mower, of the fixing plate to the direction of the cutter disc, and is at least flush with the cutter disc.

7. The mower deck assembly of claim 6 wherein said retaining plate is smoothly connected to said housing rim.

8. The mower deck assembly of claim 6 wherein said mounting plate extends out of the flange on a side opposite said housing rim.

9. The mower deck assembly of claim 1 wherein said deck guard is made of PVC.

10. A mower comprising a body and a mower deck assembly of claim 1;

the cutter head assembly is arranged at the bottom of the machine body.