CN108307768B

CN108307768B - Mower

Info

Publication number: CN108307768B
Application number: CN201810196367.3A
Authority: CN
Inventors: 李君涛; 李朋喜; 张进; 周庆
Original assignee: Zhejiang YAT Electrical Appliance Co Ltd
Current assignee: Zhejiang YAT Electrical Appliance Co Ltd
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2024-01-02
Anticipated expiration: 2038-03-09
Also published as: CN108307768A

Abstract

The invention relates to a mower, belongs to the field of agricultural machinery, and solves the problem of low cutting efficiency caused by a handle mechanism of the mower; the invention has the advantages that: the handle mechanism rotates back and forth and rotates left and right relative to the main body through the movable joint, so that an operator can select a proper angle of the handle mechanism relative to the main body according to an obstacle, the walking path of the operator is shortened, the operator can complete cutting without walking round the obstacle, the cutting efficiency is improved, and the main body can be prevented from being scratched by the obstacle.

Description

Mower

Technical Field

The present invention relates to a mower.

Background

As a portable garden tool, the hand-push mower is tidy in pruning, convenient to operate, convenient to move, applicable to both men and women, the old and the young, and widely applied. The handle mechanism is particularly important as an operating system of the mower, and directly influences the cutting efficiency and the safety and comfort of an operator; the common handle structure is generally a double handle or a U-shaped handle, and is convenient and straight-line to operate.

At present, when cutting obstacles such as a tree winding and the like, the hand-push mower is troublesome, needs to cut a circle around the hand-push mower, and is labor-consuming; when cutting around obstacles such as wall edges, corners, fences and the like, operators are often scratched by the obstacles because the operators are too close to each other; when the corner position is cut, one road edge needs to be cut first, then the other road edge is cut after turning around, and trimming is needed, so that the efficiency is low.

Disclosure of Invention

The invention aims to solve the technical problem of low cutting efficiency caused by a handle mechanism of the existing mower.

In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a lawn mower, includes the main part, sets up the motor in the main part to and the handle mechanism of setting in the main part, handle mechanism includes movable joint, handle mechanism installs in the main part through movable joint, through movable joint realizes along cutting advancing direction handle mechanism can back-and-forth rotation and side-to-side rotation for the main part.

Preferably, the movable joint comprises a movable joint fork and a main shaft, the movable joint fork is arranged on the main body and can rotate back and forth relative to the main body, one end of the main shaft is connected with the handle mechanism, the other end of the main shaft is rotationally connected with the movable joint fork, and the main shaft rotates left and right relative to the movable joint.

Preferably, a bearing is arranged between the other end of the main shaft and the movable joint fork, the main shaft is rotationally connected with the movable joint fork through the bearing, and the main shaft rotates left and right relative to the movable joint by taking the axis of the main shaft as the rotation center.

Preferably, one end of the main shaft is provided with a connecting pipe connected with the handle mechanism, and the other end of the main shaft is provided with a connecting shaft provided with a bearing.

Preferably, the movable fork is arranged on the main body through clearance fit.

Preferably, a rotating shaft is arranged on the movable fork along the cutting advancing direction, one end of the rotating shaft is provided with a rotating boss, and the rotating boss is arranged on the main body.

Preferably, the main shaft is provided with a limiting boss or a limiting pin, the movable joint fork is provided with a limiting rib, and the main shaft controls the rotation angle of the handle mechanism through the limiting boss or the limiting pin and the limiting rib when rotating left and right relative to the movable joint.

Preferably, the movable fork is provided with a gear groove, the main body is provided with a gear piece matched with the gear groove, and the handle mechanism is clamped into the gear groove through the gear piece to be positioned on the main body.

Preferably, the gear member includes a ball and an elastic member, and the ball is disposed on the body through the elastic member.

Preferably, the main body is also provided with a safety switch, the safety switch is connected with the motor, and the movable fork is provided with an eccentric edge for triggering the safety switch to be switched on and off.

In summary, the invention has the advantages that: 1. the handle mechanism rotates forwards and backwards and rotates leftwards and rightwards relative to the main body through the movable joint, so that an operator can select a proper angle of the handle mechanism relative to the main body according to an obstacle, the walking path of the operator is shortened, the operator can complete cutting without walking round the obstacle, the cutting efficiency is improved, and the main body can be prevented from being scratched by the obstacle;

2. the movable joint is arranged into the movable joint fork and the main shaft, the front and back rotation of the handle mechanism is driven by the front and back rotation of the movable joint fork relative to the main body, the left and right rotation of the handle mechanism is driven by the left and right rotation of the main shaft relative to the movable joint, and the movable joint is simple in structure, convenient to install and detach and reliable to adjust;

3. the arrangement of the bearing is beneficial to the rotation of the main shaft and the movable fork, and ensures the rotation efficiency of the main shaft;

4. the connecting pipe can realize that the handle mechanism is fast fixed on the main shaft, and the connecting shaft can realize that the bearing and the main shaft form a main body, so that the mounting process is simplified, and the bearing is prevented from falling off;

5. the movable fork is in clearance fit with the main body, so that the movable fork can be rapidly positioned on the main body, and the flexibility of left and right movement of the movable fork relative to the main body is facilitated;

6. the arrangement of the rotating shaft is beneficial to the front and back rotation of the movable fork relative to the main body, the structure is simple, and the arrangement of the rotating boss is beneficial to the connection with the main body, so that the installation and the disassembly are convenient;

7. the arrangement of the limiting boss and the limiting rib can effectively limit the left-right rotation angle of the main shaft relative to the movable joint, so that the rotation angle of the handle mechanism is controlled;

8. the gear groove and the gear piece are arranged, the handle mechanism is positioned on the main body through the gear piece clamped in the gear groove, the rotation of the handle mechanism during working can be prevented, and the safety performance during operation is improved;

9. the gear piece is arranged into the ball and the elastic piece, the ball is controlled to be clamped into the gear groove by compressing the elastic piece, so that the ball can be ensured to be rapidly and accurately clamped into the gear groove, and the structure is simple;

10. the safety switch is arranged, the work of the motor is realized through the electrification of the safety switch, the control flexibility is high, the eccentric edge is arranged on the movable fork, the position change of the eccentric edge is driven through the front-back rotation of the movable fork, so that the eccentric edge realizes the on-off of the safety switch, the conduction of the safety switch is realized through the contact of the eccentric edge and the safety switch, the disconnection of the safety switch is realized through the separation of the eccentric edge from the safety switch, the safety work of the motor can be realized, and the safety of the mower in the use process is improved.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of a mower according to the present invention;

FIG. 2 is an exploded view of a mower of FIG. 1;

FIG. 3 is a schematic view of the handle mechanism of the present invention rotated left and right relative to the main body;

FIG. 4 is a schematic view of the structure of the movable fork according to the present invention;

FIG. 5 is a schematic view of the mower of FIG. 1 cutting around obstacles;

FIG. 6 is a schematic illustration of the safety switch being opened with the handle mechanism in the vertical position in one embodiment;

FIG. 7 is a schematic illustration of the safety switch being opened by the eccentric edge when the handle mechanism of the mower of FIG. 1 is in the normal cutting position;

FIG. 8 is a schematic view of the safety switch being broken by the eccentric edge when the handle mechanism of the mower of FIG. 1 is in the upright position.

Reference numerals:

1 main body, 2 motor, 3 handle mechanism, 4 movable joint, 40 eccentric edge, 41 movable fork, 42 main shaft, 5 bearing, 43 connecting pipe, 44 connecting shaft, 45 rotating shaft, 46 rotating boss, 47 limiting boss, 48 limiting rib, 49 gear groove, 50 gear piece, 51 ball, 52 elastic piece, 6 safety switch

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the mower comprises a main body 1, a motor 2 arranged on the main body 1, and a handle mechanism 3 arranged on the main body 1, wherein the handle mechanism 3 comprises a movable joint 4, the handle mechanism 3 is arranged on the main body 1 through the movable joint 4, the handle mechanism 3 can rotate back and forth and rotate left and right relative to the main body 1 along the cutting advancing direction through the movable joint 4, and the handle mechanism 3 can rotate back and forth and rotate left and right relative to the main body 1 through the movable joint 4, so that an operator can select a proper angle of the handle mechanism 3 relative to the main body 1 according to an obstacle, the walking path of the operator is shortened, the cutting can be completed without walking round the obstacle, the cutting efficiency is improved, and the main body 1 can be prevented from being scratched by the obstacle.

The movable joint 4 comprises a movable joint fork 41 and a main shaft 42, the movable joint fork 41 is arranged on the main body 1 and can rotate back and forth relative to the main body 1, one end of the main shaft 42 is connected with the handle mechanism 3, the other end of the main shaft 42 is rotationally connected with the movable joint fork 41, the main shaft 42 rotates left and right relative to the movable joint 4, the handle mechanism 3 is driven to rotate back and forth relative to the main body 1 through the front and back rotation of the movable joint fork 41, the handle mechanism 3 is driven to rotate left and right relative to the movable joint 4 through the main shaft 42, and the movable joint is simple in structure, convenient to install and detach and reliable in adjustment.

The other end of the main shaft 42 is provided with a bearing 5 between the movable fork 41, the main shaft 42 is rotationally connected with the movable fork 41 through the bearing 5, the main shaft 42 rotates left and right relative to the movable joint 4 by taking the axis of the main shaft 42 as a rotation center, the rotation of the main shaft 42 and the movable fork 41 is facilitated, the rotation efficiency of the main shaft 42 is ensured, one end of the main shaft 42 is provided with a connecting pipe 43 for connecting the handle mechanism 3, the other end of the main shaft 42 is provided with a connecting shaft 44 for installing the bearing 5, the connecting pipe 43 can realize that the handle mechanism 3 is quickly fixed on the main shaft 42, the connecting shaft 44 can realize that the bearing 5 and the main shaft 42 form a main body 1, the installation process is simplified, and the falling of the bearing 5 is prevented.

The movable fork 41 is arranged on the main body 1 through clearance fit, so that the movable fork 41 can be positioned on the main body 1 rapidly, the flexibility of left and right movement of the movable fork 41 relative to the main body 1 is facilitated, a rotary shaft 45 is arranged on the movable fork 41 along the cutting advancing direction, one end of the rotary shaft 45 is provided with a rotary boss 46, the rotary boss 46 is arranged on the main body 1, the movable fork 41 can be rotated back and forth relative to the main body 1, the structure is simple, the rotary boss 46 is arranged, the movable fork 41 is connected with the main body 1, and the mounting and the dismounting are convenient.

In addition, the main shaft 42 is provided with a limiting boss 47, the movable fork 41 is provided with a limiting rib 48, and when the main shaft 42 rotates left and right relative to the movable joint 4, the rotation angle of the handle mechanism 3 is controlled through the limiting boss 47 and the limiting rib 48, so that the rotation angle of the main shaft 42 relative to the movable joint 4 can be effectively limited, and the rotation angle of the handle mechanism 3 is controlled, and in this embodiment, the limiting boss 47 can be set as a limiting pin, so that the installation process of the limiting boss 47 is simplified, and the limiting boss 47 and the main shaft 42 in this embodiment are of an integrated structure.

The movable fork 41 is provided with the gear groove 49, the main body 1 is provided with the gear piece 50 matched with the gear groove 49, the handle mechanism 3 is positioned on the main body 1 by clamping the gear piece 50 into the gear groove 49, the rotation of the handle mechanism 3 during operation can be prevented, the safety performance during operation is improved, the gear piece 50 comprises the balls 51 and the elastic piece 52, the balls 51 are arranged on the main body 1 through the elastic piece 52, the balls 51 are controlled to be clamped into the gear groove 49 through the compression of the elastic piece 52, the balls 51 can be ensured to be clamped into the gear groove rapidly and accurately, and the structure is simple.

In addition, in the cutting process, according to the obstacle condition, the angle of the handle mechanism 3 relative to the main body 1 is adjusted, the cutting efficiency is increased, but when the handle is in the near vertical direction, an operator is very close to the cutting blade, and in the high-speed work of the blade, a great danger is brought, in order to improve the safety, the main body 1 is also provided with the safety switch 6, the safety switch 6 is connected with the motor 2, the work of the motor 2 is realized through the energization of the safety switch 6, the control flexibility is high, the movable fork 41 is provided with the eccentric edge 40 triggering the on and off of the safety switch 6, the position change of the eccentric edge 40 is driven through the forward and backward rotation of the movable fork 41, so that the on and off of the safety switch 6 is realized by the eccentric edge 40, the on of the safety switch 6 is realized through the contact of the eccentric edge 40 and the safety switch 6 when the handle mechanism 3 is in the cutting work state, the safety switch 6 is disconnected by the eccentric edge 40 being separated from the safety switch 6 when the handle mechanism 3 rotates to the dangerous angle, and the safety of the mower is improved in the use process.

In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.

Claims

1. The utility model provides a lawn mower, includes the main part, sets up the motor in the main part to and the handle mechanism of setting in the main part, its characterized in that: the handle mechanism comprises a movable joint, the handle mechanism is arranged on the main body through the movable joint, and the handle mechanism can rotate back and forth and rotate left and right relative to the main body along the cutting advancing direction through the movable joint; the movable joint comprises a movable joint fork and a main shaft; the movable fork is arranged on the main body in a clearance fit manner; a rotating shaft is arranged on the movable fork along the cutting advancing direction, one end of the rotating shaft is provided with a rotating boss, and the rotating boss is arranged on the main body; the novel movable connecting fork is characterized in that a limiting boss is arranged on the main shaft, a limiting rib is arranged on the movable connecting fork, the main shaft controls the rotation angle of the handle mechanism through the limiting boss and the limiting rib when rotating left and right relative to the movable connector, the movable connecting fork is arranged on the main body and can rotate back and forth relative to the main body, one end of the main shaft is connected with the handle mechanism, the other end of the main shaft is rotationally connected with the movable connecting fork, the main shaft rotates left and right relative to the movable connector, and the main shaft rotates around the central axis of the main shaft.

2. A lawnmower as claimed in claim 1 wherein: the main shaft is rotatably connected with the movable fork through the bearing, and the main shaft rotates left and right relative to the movable joint by taking the axis of the main shaft as the rotation center.

3. A lawnmower as claimed in claim 2 wherein: one end of the main shaft is provided with a connecting pipe connected with the handle mechanism, and the other end of the main shaft is provided with a connecting shaft provided with a bearing.

4. A lawnmower as claimed in claim 1 wherein: the movable connecting fork is provided with a gear groove, the main body is provided with a gear piece matched with the gear groove, and the handle mechanism is clamped into the gear groove through the gear piece to be positioned on the main body.

5. A mower as claimed in claim 4, wherein: the gear piece comprises a ball and an elastic piece, wherein the ball is arranged on the main body through the elastic piece.

6. A lawnmower as claimed in claim 1 wherein: the main body is also provided with a safety switch which is connected with the motor, and the movable fork is provided with an eccentric edge which triggers the safety switch to be switched on and off.