CN219352381U

CN219352381U - Height adjusting mechanism of mower and mower

Info

Publication number: CN219352381U
Application number: CN202223123513.0U
Authority: CN
Inventors: 刘大军; 余霖; 王伟君; 汪李明
Original assignee: Zhejiang YAT Electrical Appliance Co Ltd
Current assignee: Zhejiang YAT Electrical Appliance Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-07-18
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a height adjusting mechanism of a mower, which is configured on a mower chassis for use, wherein a swing arm wheel shaft and a wheel body connected with the swing arm wheel shaft are arranged on the mower chassis, and the height adjusting mechanism comprises: the driving part is arranged on the chassis and driven by a non-manual mode; one end of the transmission part is connected with the output end of the driving part, and the transmission part swings along with the driving part; and the two ends of the connecting part are respectively connected with the two swing arm wheel shafts, one end of the transmission part, which is far away from the output end of the driving part, is connected with one end of the connecting part, and the connecting part moves along with the transmission part. The utility model realizes electric height adjustment, has accurate adjustment precision and adjustment efficiency, and can improve the use experience.

Description

Height adjusting mechanism of mower and mower

Technical Field

The utility model relates to the technical field of garden tools, in particular to a height adjusting mechanism of a mower and the corresponding mower.

Background

The hand propelled mower is a common garden tool for mechanically trimming lawns, when the mower is used for mowing, different mowing heights are required to be determined for different grass conditions, the mowing height adjusting device of the hand propelled mower at present is mostly of a four-bar structure, the adjusting mode basically adopts a manual pulling adjusting plate to a height limiting position, the structure is required to be manually bent down, the operation efficiency is low, the height adjusting precision is poor, the defects of uncomfortable use and the like are overcome, poor use experience can be brought to a user, and the defects exist.

Disclosure of Invention

The utility model provides a height adjusting mechanism of a mower, which is convenient to adjust and stable to use, and aims to avoid the defects in the prior art.

The utility model solves the technical problems by adopting the following technical scheme: a height adjustment mechanism of lawn mower, disposes and uses on the lawn mower chassis, be provided with swing arm shaft and the wheel body of being connected with the swing arm shaft on the lawn mower chassis, height adjustment mechanism includes: the driving part is arranged on the chassis and driven by a non-manual mode;

one end of the transmission part is connected with the output end of the driving part, and the transmission part swings along with the driving part;

and the two ends of the connecting part are respectively connected with the two swing arm wheel shafts, one end of the transmission part, which is far away from the output end of the driving part, is connected with one end of the connecting part, and the connecting part moves along with the transmission part.

In several embodiments, the transmission part includes a rocker and a rocker arm, one end of the rocker is connected to the output end of the driving part, and the other end of the rocker is connected to one end of the rocker arm.

In several embodiments, the other end of the rocker arm is connected with the axle of the rocker arm through a connecting rod, and one end of the connecting part is connected with the connecting rod.

In several embodiments, a plurality of fasteners are provided on the mower chassis, and the driving portion is locked to the mower chassis by the fasteners.

In several embodiments, a plurality of spacing assemblies are provided below the mower chassis, at least one of the swing arm axles being captured between a spacing assembly and the mower chassis.

In several embodiments, the limiting assembly includes a limiting block and a locking member, the limiting block is configured to bear the swing arm axle, and the locking member is configured to connect the limiting block and the mower chassis.

In several embodiments, a half-shell is provided below the mower chassis, and one of the swing arm axles is confined between the half-shell and the mower chassis.

And a mower having the above structure,

the utility model has the beneficial effects that:

(1) The structure is compact and stable, the assembly production is convenient, the electronic element can be adapted to adjust and position, and the accuracy of adjusting the height is high;

(2) The electric drive is adopted, the mowing height is not required to be adjusted by bending down, and only the switch is required to be turned on;

(3) The driving motor can realize the reciprocating adjustment of mowing height from high to low and from low to high without reversing.

Drawings

The drawings described herein are for illustration purposes only of selected embodiments and are not intended to represent all possible implementations and should not be construed as limiting the scope of the present utility model.

FIG. 1 schematically illustrates the overall structure of a height adjustment mechanism of a mower in one embodiment;

FIG. 2 schematically illustrates a portion of the structure of FIG. 1, excluding the mower chassis;

FIG. 3 schematically illustrates a partially enlarged structure of FIG. 2;

FIG. 4 schematically illustrates the explosive structure of FIG. 2;

FIG. 5 schematically illustrates a partially enlarged structure of FIG. 4;

fig. 6 schematically illustrates an enlarged configuration of the spacing assembly of fig. 2.

Detailed Description

In the following, embodiments of the present utility model will be described in detail, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, and in the following, technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

Thus, the following detailed description of the embodiments of the utility model, which is provided herein, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model, based on which all other embodiments, as derived by a person of ordinary skill in the art without making any inventive effort, are within the scope of the utility model.

The terminology used herein is for the purpose of describing embodiments and is not intended to be limiting and/or limiting of the utility model.

For example, "in a certain direction", "parallel", "orthogonal", "center", "opposite", "front-rear-left-right", and the like indicate expressions of relative or absolute arrangement, and indicate not only such arrangement in a strict sense but also a state of relative displacement with tolerance or with an angle or distance that can obtain the same degree of function.

Example 1

As shown in fig. 1-2, the height adjusting mechanism in this embodiment is used in combination with the mower chassis 10, especially for a hand-propelled mower, two swing arm wheel shafts 20a and 20b and four wheels 30a and 30b respectively connected correspondingly are connected to the mower chassis 10, one swing arm wheel shaft 20a is connected to the two wheels 30a at the front wheel position, and one swing arm wheel shaft 20b is connected to the two wheels 30b at the rear wheel position, so as to form a four-wheel-drive hand-propelled mower structure.

Specifically, as shown in fig. 1 to 5, the height adjusting mechanism in this embodiment is composed of a driving part 40, a transmission part 50, a coupling part 60, a limiting component 70 and a half-shell 80, wherein the driving part 40 drives the transmission part 50 to rotate and swing, and the coupling part 60 moves along with the rotation and swing to drive the swing arm axle 20 to rotate, so as to drive the height of the wheel body 30 to change, thereby realizing the height adjustment and change of the mower chassis 10.

The driving part 40 adopts a non-manual driving structure such as a motor, but not limited to a motor structure, and comprises a worm gear speed reducing mechanism when the motor is adopted, wherein the speed reducing mechanism has a locking function in a motor power-off state, and the output rotating speed of the driving motor can be set to be 5-10rpm.

The drive section 40 may be locked in place above the mower chassis 10 by a plurality of fasteners 11 which are generally U-shaped in configuration.

The swing arm wheel shafts 20a and 20b are of a conventional structure that a shaft body is combined with a swing disc body, and the shaft body is connected to a non-center position of the swing disc body to realize the swing action of height change.

The transmission part 50 is disposed at a rear wheel position of the mower and connected with one swing arm wheel shaft 20b at the rear wheel position, and is formed by a swing arm 51 and a swing arm 52, wherein the swing arm 51 can be in a straight plate structure, one end of the swing arm 51 is connected to an output shaft position of the driving part 40 by a clamping ring 511, and the other end of the swing arm is connected to one end position of the swing arm 52 by a screw 521 and a gasket 522.

Meanwhile, a connecting rod body 21 is fixedly arranged at the swing disc body position of the swing arm wheel shaft 20b at the position, the connecting rod body 21 horizontally faces the transmission part 50, the corresponding rocker arm 52 adopts an arc plate-shaped structure, and the other end which is not connected with the rocker arm 51 is fixedly connected with the spare end of the connecting rod body 21.

The connecting part 60 adopts a connecting structure, one end of the connecting part is sleeved on the connecting rod body 21 and locked by a mode of but not limited to a screw, thereby realizing connection with the transmission part 50 and the swing arm wheel shaft 20b, and the other end of the connecting part is fixedly connected with the swing disc body position of the swing arm wheel shaft 20a by a structure of but not limited to a pin, thereby realizing synchronous connection of the swing arm wheel shaft 20a and the swing arm wheel shaft 20b, and forming a four-bar mechanism.

Therefore, the transmission part 50 rotates along with the driving part 40, so that the coupling part 60 can be driven to move, and then the swing arm wheel shaft 20a is driven to rotate, and the height change of the mower chassis 10 is realized through the deflection movement.

Meanwhile, a half-shell 80 is arranged below the mower chassis 10 near the front wheel, and a swing arm axle 20a is limited between the half-shell 80 and the mower chassis 10, namely, the axle position for fixing the swing arm axle 20a is not limited to rotate.

As shown in fig. 6, correspondingly, for the swing arm axle 20b, at least two limiting assemblies 70 are configured below the position of the mower chassis 10 close to the rear wheel, the limiting assemblies 70 are composed of a limiting block 71 and two locking members 72, an arc-shaped groove is formed in the middle of one end face of the limiting block 71, the arc-shaped groove is matched with the axle body specification of the swing arm axle 20b, the locking members 72 can lock the limiting block 71 on the mower chassis 10 by adopting a screw structure, and therefore the height of the axle body position of the swing arm axle 20b is limited but not limited to rotate.

It should be noted that, electronic elements for limiting the swinging position of the rocker 51 can be configured between the rocker 51 and the driving motor, and the electronic elements can be purchased directly from the market, so as to realize accurate adjustment.

Of course, the utility model also provides a mower adopting the height adjusting mechanism, and the complete mower can be formed by configuring the corresponding motor, the mowing group and the push rod, so that the structure of the hand-push type mower with the adjustable chassis height is realized.

The illustrative examples, embodiments, and particular forms of the utility model have been illustrated and described in detail in the drawings and the foregoing description, and are to be considered as illustrative and not restrictive. The description of particular features in one embodiment does not imply that those particular features must be limited to that one embodiment. Features of one embodiment may be used in combination with features of other embodiments, as will be appreciated by those of ordinary skill in the art, whether or not explicitly so described. The exemplary embodiments have been shown and described, and all changes and modifications that come within the spirit of the utility model are desired to be protected.

Claims

1. The utility model provides a height adjustment mechanism of lawn mower, disposes and uses on the lawn mower chassis, be provided with swing arm shaft and the wheel body of being connected with the swing arm shaft on the lawn mower chassis, its characterized in that, height adjustment mechanism includes:

the driving part is arranged on the chassis and driven by a non-manual mode;

2. The height adjusting mechanism of a mower according to claim 1, wherein the transmission part comprises a rocker and a rocker arm, one end of the rocker arm is connected with the output end of the driving part, and the other end of the rocker arm is connected with one end of the rocker arm.

3. The height adjusting mechanism of a mower according to claim 2, wherein the other end of the rocker arm is connected with the swing arm axle through a connecting rod, and one end of the connecting part is connected with the connecting rod.

4. A height adjustment mechanism for a lawnmower as claimed in claim 3 wherein a plurality of fasteners are provided on the mower chassis, and the drive portion is secured to the mower chassis by the fasteners.

5. The height adjustment mechanism of claim 4, wherein a plurality of spacing assemblies are disposed below the mower chassis, at least one of the swing arm axles being captured between a spacing assembly and the mower chassis.

6. The mower height adjustment mechanism of claim 5, wherein the limiting assembly comprises a limiting block and a locking member, the limiting block is used for bearing a swing arm wheel shaft, and the locking member is used for connecting the limiting block and a mower chassis.

7. A height adjustment mechanism for a lawnmower as claimed in claim 5 wherein a half-shell is provided below the mower chassis, and one of the swing arm axles is trapped between the half-shell and the mower chassis.

8. A mower comprising a height adjustment mechanism of the mower of any one of claims 1-7.