CN215774274U

CN215774274U - Starting drive and lawn mower of garden instrument

Info

Publication number: CN215774274U
Application number: CN202120412782.5U
Authority: CN
Inventors: 颜秋波
Original assignee: Zhejiang Lera New Energy Power Technology Co Ltd
Current assignee: Zhejiang Lera New Energy Power Technology Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-02-11
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to the technical field of mowers, and discloses a starting device of a garden tool and a mower, wherein the starting device comprises: the handle is internally provided with an installation cavity; the switch assembly is arranged in the mounting cavity, can move between a first position and a second position in the mounting cavity and comprises a motor switch; the safety key is movably arranged on the handle and used for locking the switch assembly at the first position or unlocking the switch assembly from the first position; the driving assembly is movably arranged in the mounting cavity and used for starting the motor switch. The starting device has the advantages of simple and compact structure and high reliability.

Description

Starting drive and lawn mower of garden instrument

Technical Field

The utility model relates to the technical field of mowers, in particular to a starting device of a garden tool and a mower.

Background

The lawn mower is provided with a switch for controlling the opening and closing of the lawn mower, generally, the switch is required to be at least a two-stage protection switch in the industry, but in the using process, in order to improve the use safety of the lawn mower, a three-stage protection starting structure is arranged. The existing three-level protection starting structure is complex in structure, relatively dispersed in arrangement of all parts, and poor in reliability in a long-time use process.

Like a starting drive and lawn mower for gardens electric tool that patent "CN 109997517A" discloses, in this scheme, need press switch, rotate the safety key, the safety key orders about the wane and rotates, makes the clamp plate paste on the start button, presses the trigger again for the trigger pulls the wane, drives the clamp plate and presses the start button, makes the lawn mower carry out work, makes the actuating mechanism of lawn mower have tertiary protect function. However, in the process of repeated use, the rocker is easy to be stuck and dull, so that the three-level protection starting structure has poor use effect and poor user experience.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings in the prior art, the present invention provides a starting device for a garden tool and a lawn mower with simple structure and good reliability.

The technical scheme adopted by the utility model for solving the technical problem is to provide a starting device of a garden tool, which comprises the following components:

the handle is provided with a mounting cavity;

the switch assembly is arranged in the mounting cavity, can move between a first position and a second position in the mounting cavity and comprises a motor switch;

a safety key movably disposed on the handle for locking or unlocking the switch assembly in or from the first position;

and the driving component is used for starting the motor switch and is movably arranged in the mounting cavity.

Furthermore, the safety spoon is rotatably arranged on the handle, a supporting block is arranged on the safety spoon, and when the switch assembly is locked at the first position by the safety spoon, the supporting block is supported against the switch assembly.

Furthermore, a first cambered surface is arranged at one end, close to the abutting block, of the switch component, a second cambered surface is arranged on the abutting block, and the second cambered surface can slide along the first cambered surface;

when the switch component is locked at the first position by the safety key, the second cambered surface is attached to the first cambered surface.

Furthermore, the handle is provided with two side walls protruding into the mounting cavity; the switch assembly is arranged between the two side walls and can slide along the side walls to switch between the first position and the second position.

Further, the drive assembly includes a drive button and a trigger; the drive button is slidably arranged in the mounting cavity;

the trigger is arranged in the installation cavity and is hinged with the handle; one end of the trigger is connected with the driving button, and the driving button can drive the trigger to rotate so that the other end of the trigger extrudes the motor switch.

Furthermore, a hinge hole is formed in the middle of the trigger, a convex column protrudes from the handle, and the convex column penetrates through the hinge hole;

the trigger is close to the one end of drive button is equipped with mounting groove, the last protrusion of drive button has the drive block, just the drive block stretches into in the mounting groove.

Further, the drive assembly further comprises a first return spring; the handle is provided with a limiting groove, one end of the first reset spring is arranged in the limiting groove, and the other end of the first reset spring abuts against the driving button.

Furthermore, the driving assembly comprises a first driving assembly and a second driving assembly which are symmetrically arranged in the handle, and the first driving assembly and the second driving assembly can drive the motor switch;

and a third cambered surface is arranged at one end of the motor switch close to the trigger, and the trigger is movably abutted against the third cambered surface.

Further, the switch assembly further comprises a power switch, a starting button used for pressing the power switch is arranged on the handle, a second return spring is arranged between the starting button and the power switch, and when the starting button is pressed, the second return spring is compressed.

The utility model also provides a lawn mower which comprises the starting device of the garden tool.

Compared with the prior art, the utility model has at least the following beneficial effects:

according to the utility model, the switch component can be slidably arranged in the installation cavity, the safety key directly acts on the switch component, the operation efficiency is high, when the motor switch needs to be started, the switch component needs to be locked at a first position by the safety key, and when the motor switch is driven by the driving button through the trigger, the switch component cannot move backwards, so that the trigger extrudes the motor switch to start the mower to work; when the switch assembly is unlocked by the safety key (namely, when the switch assembly is unlocked), the whole switch button can move to the second position from the first position when the drive button extrudes the motor switch through the trigger, so that the motor switch cannot be started, and the starting safety of the mower is ensured. The second cambered surface on the safety key and the first cambered surface on the switch component are matched with each other, so that the safety key is ensured to be locked reliably and the safety key is rotated smoothly; motor switch's dorsal part has set up the third cambered surface, when trigger extrusion motor switch, guarantees that the trigger can not skid, and stability is good, and user experience feels good.

In the utility model, the handle is integrated with the power switch, the starting button for controlling the power switch, the safety key, the motor switch and the driving button to form a three-stage protection structure for starting the mower, so that the safety of the mower is ensured, and the three-stage protection structure is integrated on the handle and has compact structure; the abutting block of the safety key directly acts on the switch component without other transmission parts, so that the structure is simple, the locking efficiency is high, and the stability of long-time use is better; and this starting drive of lawn mower both can realize one-hand operation, can realize bimanualness again, convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of a starting device according to the present invention;

FIG. 2 is a schematic structural view of FIG. 1 with the upper housing removed;

FIG. 3 is a schematic view of the handle of FIG. 1 with the handle removed;

FIG. 4 is a schematic backside view of FIG. 3;

figure 5 is an exploded view of the switch assembly, security key and drive means.

In the figure:

1. a handle; 11. a side wall; 12. a convex column; 13. a limiting groove; 100. a start button; 110. a second return spring;

2. a switch assembly; 20. a motor switch; 201. a third cambered surface; 21. a first arc surface; 22. a power switch;

3. a security key; 30. a resisting block; 301. a second arc surface;

4. a drive assembly; 40. a drive button; 401. a drive block; 41. a trigger; 410. reaming; 411. installing a groove; 42. a first return spring; 4A, a first driving component; 4B and a second driving component.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, an actuating device of a garden tool includes: the handle 1 is provided with a mounting cavity (not marked in the figure) in the handle 1; specifically, the handle 1 comprises an upper shell and a lower shell, the upper shell and the lower shell are divided into two halves from the middle, and other parts are convenient to assemble in an installation cavity of the handle 1; the switch assembly 2 is arranged in the mounting cavity, can move between a first position and a second position in the mounting cavity, and comprises a motor switch 20; wherein the first position is the extreme position of the switch assembly 2 near one end of the trigger 41, and the second position is the extreme position of the switch assembly 2 near one end of the safety spoon 3; a safety key 3 movably provided on the handle 1 for locking or unlocking the switch assembly 2 in or from the first position; when the safety spoon 3 is in a closed state, the switch component 2 can move from the first position to the second position, and when the safety spoon 3 is in an open state, the switch component 2 is propped against by the safety spoon 3 and is locked at the first position, so that the driving component 4 can be ensured to open the motor switch 20; a drive assembly 4 for actuating the motor switch 20 is movably disposed in the mounting cavity.

In the using process, the switch component 2 is slidably arranged in the mounting cavity, the safety key 3 directly acts on the switch component 2, the operation efficiency is high, when the motor switch 20 needs to be started, the safety key 3 needs to be firstly used for locking the switch component 2 at the first position, and when the driving button 40 drives the motor switch 20 through the trigger 41, the switch component 2 cannot retreat, so that the trigger 41 extrudes the motor switch 20 to start the mower to work; when the switch assembly 2 is unlocked (i.e. not turned on) by the security key 3, the driving button 40 will press the motor switch 20 through the trigger 41, so that the whole switch button will move from the first position to the second position, and the motor switch 20 cannot be turned on, thereby ensuring the starting safety of the lawn mower.

As shown in fig. 2-5, the safety spoon 3 is rotatably disposed on the handle 1, and the safety spoon 3 is provided with a supporting block 30, when the switch assembly 2 is locked at the first position by the safety spoon 3, the supporting block 30 is supported against the switch assembly 2, and the top of the safety spoon 3 is a knob structure, so that the safety spoon 3 can be conveniently screwed by a human hand. A first arc surface 21 is arranged at one end of the switch component 2 close to the abutting block 30, a second arc surface 301 is arranged on the abutting block 30, and the second arc surface 301 can slide along the first arc surface 21; when the safety key 3 locks the switch component 2 at the first position, the second cambered surface 301 is attached to the first cambered surface 21. In the use process, the second cambered surface 301 on the safety spoon 3 and the first cambered surface 21 on the switch component 2 are matched with each other, so that the safety spoon 3 is reliably locked and the safety spoon 3 can be smoothly rotated.

As shown in fig. 2, the handle 1 has two side walls 11 protruding into the mounting cavity; the switch component 2 is arranged between the two side walls 11 and can slide along the side walls 11 to switch between the first position and the second position, the two side walls 11 limit the switch component 2 to move left and right, and the switch component 2 is ensured to only slide back and forth along the side walls 11.

As shown in fig. 3-5, the actuation assembly 4 includes an actuation button 40 and a trigger 41; the drive button 40 is slidably disposed in the mounting cavity; the trigger 41 is arranged in the installation cavity and is hinged with the handle 1; one end of the trigger 41 is connected to the driving button 40, and the driving button 40 can drive the trigger 41 to rotate, so that the other end of the trigger 41 presses the motor switch 20. Specifically, a hinge hole 410 is formed in the middle of the trigger 41, the hinge hole 410 is a circular hole, a convex column 12 protrudes from the handle 1, and the convex column 12 is inserted into the hinge hole 410 to ensure that the trigger 41 can rotate around the convex column 12; trigger 41 is close to the one end of actuating button 40 is equipped with mounting groove 411, the protruding driver block 401 that has on actuating button 40, just driver block 401 stretches into in the mounting groove 411, actuating button 40 passes through driver block 401 and drives trigger 41 and rotate.

Wherein the drive assembly 4 further comprises a first return spring 42; the handle 1 is provided with a limiting groove 13, one end of the first return spring 42 is arranged in the limiting groove 13, and the other end of the first return spring 42 abuts against the driving button 40. When the actuating button 40 is pressed, the first return spring 42 is compressed, and when the actuating button 40 is released, the return elastic force of the first return spring 42 pushes the actuating button 40 to the original position.

Specifically, the driving assembly 4 includes a first driving assembly 4A and a second driving assembly 4B, which are symmetrically disposed in the handle 1, and both the first driving assembly 4A and the second driving assembly 4B can drive the motor switch 20; make this starting drive of lawn mower, both can realize one-hand operation, can realize bimanualness again, convenient to use. A third arc surface 201 is arranged at one end of the motor switch 20 close to the trigger 41, and the trigger 41 movably abuts against the third arc surface 201. When trigger 41 extrudes motor switch 20, guarantee that trigger 41 can not skid, stability is good, and user experience feels good.

Preferably, the switch assembly 2 further includes a power switch 22, a start button 100 for pressing the power switch 22 is disposed on the handle 1, a second return spring 110 is disposed between the start button 100 and the power switch 22, when the start button 100 is pressed, the second return spring 110 is compressed, and the second return spring 110 is used for returning the start button 100.

In the using process of the starting device, firstly, after the power switch 22 is started, the safety key 3 is started, namely, the safety key 3 locks the switch component 2 at the first position (when the driving component 4 drives the switch component 2, the switch component 2 cannot move to the second position integrally); then, the drive button 40 is pressed by one hand or both hands, the trigger 41 is driven to rotate by the drive block 401 through the drive button 40, and one end of the trigger 41 close to the motor switch 20 is pressed against the motor switch 20, so that the motor switch 20 is started, and the mower performs mowing operation.

The application also provides a mower which comprises the starting device, and the mower can be controlled to perform mowing action through the starting device.

In the actual use process, the power switch 22, the starting button 100 for controlling the power switch 22, the safety key 3, the motor switch 20 and the driving button 40 are integrated on the handle 1 to form a three-level protection structure for starting the mower, so that the safety of the mower is ensured, and the three-level protection structure is integrated on the handle 1, so that the structure is compact and the integration level is high; the abutting block 30 of the safety key 3 directly acts on the switch component 2 without other transmission parts, the structure is simple, the locking efficiency is high, the structure of the starting device is simplified, and the stability of long-time use is better.

In the starting device of the mower, the starting device has simple and compact structure and high reliability.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A starting device of a garden tool, comprising:

the handle is provided with a mounting cavity;

2. The actuating device of a garden tool as claimed in claim 1, wherein the safety spoon is rotatably disposed on the handle, and a supporting block is disposed on the safety spoon, and when the switch assembly is locked at the first position by the safety spoon, the supporting block is supported against the switch assembly.

3. The starting device of the garden tool according to claim 2, wherein a first arc surface is arranged at one end of the switch assembly close to the abutting block, a second arc surface is arranged on the abutting block, and the second arc surface can slide along the first arc surface;

4. The actuating device of a garden tool, as recited in claim 1, wherein said handle has two side walls protruding into said mounting cavity; the switch assembly is arranged between the two side walls and can slide along the side walls to switch between the first position and the second position.

5. The garden tool starting device of claim 1, wherein the drive assembly comprises a drive button and a trigger; the drive button is slidably arranged in the mounting cavity;

6. The actuating device of a garden tool according to claim 5, wherein the trigger has a hinge hole at a middle portion thereof, and the handle has a protrusion protruding therefrom, the protrusion being inserted into the hinge hole;

7. The starting device for the garden tool, as recited in claim 5, wherein the driving assembly further comprises a first return spring; the handle is provided with a limiting groove, one end of the first reset spring is arranged in the limiting groove, and the other end of the first reset spring abuts against the driving button.

8. The actuating device of a garden tool as claimed in claim 6 or 7, wherein the driving assembly comprises a first driving assembly and a second driving assembly symmetrically disposed in the handle, and both the first driving assembly and the second driving assembly can drive the motor switch;

9. The starting device of a gardening tool according to claim 1, wherein the switch assembly further comprises a power switch, the handle is provided with a starting button for pressing the power switch, and a second return spring is arranged between the starting button and the power switch, and is compressed when the starting button is pressed.

10. A lawnmower comprising the starting means of the garden tool according to any one of claims 1 to 9.