CN210093953U

CN210093953U - A switch assembly and garden instrument for garden instrument

Info

Publication number: CN210093953U
Application number: CN201920759734.6U
Authority: CN
Inventors: 倪祖根
Original assignee: Kingclean Electric Co Ltd
Current assignee: Kingclean Electric Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-21
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to a garden instrument technical field especially relates to a switch assembly and garden instrument for garden instrument. The utility model provides a switch assembly for garden instrument includes a box body, two at least settings trigger switch and two at least trigger bar subassemblies that stretch into in the box body, and every trigger switch is used for opening and close a function of garden instrument, and every trigger bar subassembly is corresponding with a trigger switch, can trigger the trigger switch that corresponds through the drive trigger bar subassembly, and two at least functions can be realized to this switch assembly, realize the diversification of switch assembly function. The utility model provides a garden instrument only need set up one as above-mentioned switch assembly, just can realize two kind at least functions, can reduce garden instrument's manufacturing cost.

Description

A switch assembly and garden instrument for garden instrument

Technical Field

The utility model relates to a garden instrument technical field especially relates to a switch assembly and garden instrument for garden instrument.

Background

At present, the lawn mower is widely used for trimming household courtyards and lawn in factories, and two switch assemblies are needed to be arranged on the existing lawn mower for realizing the functions of mowing and self-walking. The switch assembly for realizing the mowing function comprises a box body, a trigger switch with a self-walking function and a mowing trigger rod, wherein the trigger switch with the self-walking function can control the mowing motor to be turned on and off, and the mowing trigger rod extends into the box body. The switch assembly for realizing the self-walking function comprises a box body, a trigger switch for controlling the mowing function of opening and closing the self-walking motor and a self-walking trigger rod extending into the box body, and the self-walking function of the mower is realized by driving the trigger switch capable of triggering the mowing function by the self-walking trigger rod. Each switch assembly can only realize one function, the function of each switch assembly is single, and the lawn mower can realize mowing and self-walking functions only by arranging two switch assemblies, so that the manufacturing cost of the lawn mower is increased.

Accordingly, there is a need for a switch assembly and a mower that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch assembly for garden instrument can realize the diversification of switch assembly function.

Another object of the utility model is to provide a garden instrument, only need set up a switch assembly and just can realize multiple functions, can reduce garden instrument's manufacturing cost.

To achieve the purpose, the utility model adopts the following technical proposal:

a switch assembly for a garden tool, comprising a case, further comprising:

the at least two trigger switches are arranged in the box body, and each trigger switch is used for opening and closing one function of the garden tool; and

at least two trigger bar subassemblies stretch into in the box body, every trigger bar subassembly corresponds with one trigger switch, through the drive trigger bar subassembly can trigger corresponding trigger switch.

Optionally, a rotating shaft is arranged inside the box body, and at least two trigger rod assemblies are rotatably connected to the rotating shaft and arranged along the axis direction of the rotating shaft.

Optionally, an opening is formed in the box body, the trigger rod assembly extends into the box body through the opening, and the opening can limit the trigger rod assembly to rotate relative to the box body within a preset angle.

Optionally, the preset angle is 10 ° to 60 °.

Optionally, the trigger lever assembly includes an operating portion and a trigger base connected, the trigger base is rotatably connected to the rotating shaft, and the trigger base is configured to rotatably trigger the corresponding trigger switch.

Optionally, the number of the trigger rod assemblies is two, two of the operating parts are arranged at intervals, and the operating parts are configured to drive the trigger rod assemblies to rotate around the rotating shaft when being close to each other, so as to trigger the respective corresponding trigger switches.

Optionally, the two trigger switches are arranged to close in opposite directions, and the two trigger bar assemblies are configured to rotate in opposite directions to trigger the respective trigger switches.

Optionally, a reset mechanism is disposed between the trigger rod assembly and the box body, and the reset mechanism is configured to drive the corresponding trigger rod assembly to reset so as to turn off the corresponding trigger switch.

Optionally, the reset mechanism is a spring, one end of the spring abuts against the box body, and the other end of the spring abuts against the corresponding trigger rod assembly.

Optionally, the switch assembly further comprises:

and the connecting wires extend out of the box body and are coated into a whole through the coating layer.

A garden tool comprising a switch assembly as described above.

Optionally, the garden tool is a lawn mower, and the trigger switch includes a trigger switch for a mowing function and a trigger switch for a self-walking function.

Has the advantages that: the utility model provides a switch assembly for garden instrument includes that a box body, at least two set up trigger switch and at least two stretch into the trigger lever subassembly in the box body, and every trigger switch is used for opening and close a function of garden instrument, and every trigger lever subassembly is corresponding with a trigger switch, can trigger corresponding trigger switch through the drive trigger lever subassembly. The utility model provides a switch assembly can realize two kind at least functions, realizes the diversification of switch assembly function.

The utility model provides a garden instrument only need set up a switch assembly as above-mentioned, just can realize two kind at least functions, and need not to set up a plurality of switch assemblies, can reduce garden instrument's manufacturing cost.

Drawings

FIG. 1 is a schematic structural view of a handle and switch assembly provided by the present invention;

fig. 2 is a top view of the internal structure of the switch assembly provided by the present invention;

fig. 3 is a schematic structural diagram of an internal structure of a switch assembly provided by the present invention;

fig. 4 is a schematic structural diagram of a switch assembly provided by the present invention;

FIG. 5 is a cross-sectional view taken at A-A in FIG. 4;

FIG. 6 is a cross-sectional view taken at B-B of FIG. 4;

fig. 7 is an electrical connection diagram of the switch box provided by the present invention.

Wherein:

1-a switch assembly; 2-a handle;

11-a box body; 12-a trigger switch from the walking function; 13-trigger switch for mowing function; 14-a self-travel trigger bar assembly; 15-a mowing trigger lever assembly; 16-a first spring; 17-a second spring; 18-a connecting line; 19-a coating layer; 20-switch box circuit board; 21-a master button; 22-self-walking speed regulating assembly; 23-self-walking controller; 24-a self-walking motor; 25-mowing governor assembly; 26-a mowing controller; 27-a mowing motor;

111-a rotating shaft; 112-a first opening; 113-a second opening; 121-a first reed; 131-a second reed; 141-self-walking spanner base; 142-a self-walking operation part; 151-mower trigger base; 152-mowing operation part.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

The present embodiment discloses a garden tool, which is described by taking a lawn mower as an example. As shown in fig. 1, the lawn mower disclosed in this embodiment includes a switch assembly 1 and a handle 2, and the switch assembly 1 is disposed on the handle 2. The operator controls the switch assembly 1 to realize different functions of the mower. Specifically, the switch assembly 1 in this embodiment includes a self-travel trigger lever assembly 14 and a mower trigger lever assembly 15, and the operator controls the self-travel trigger lever assembly 14 to advance and stop the mower, and the operator applies different directional forces to the handle 2 to control the direction of travel of the mower. The operator controls the trigger lever assembly 15 of the mower to activate and deactivate the grass cutting function of the mower.

As shown in fig. 2, the present embodiment provides a switch assembly 1, the switch assembly 1 includes a case 11, and a trigger switch 12 corresponding to a self-walking function for controlling the self-walking function of the lawn mower and a trigger switch 13 corresponding to a mowing function for controlling the mowing function of the lawn mower are disposed inside the case 11. Switch assembly 1 further includes a self-propelled trigger lever assembly 14 and a mower trigger lever assembly 15, both of which extend into the interior of housing 11. The self-walking trigger rod component 14 corresponds to the trigger switch 12 of the self-walking function, and the self-walking function of the mower can be realized by driving the self-walking trigger rod component 14 to trigger the trigger switch 12 of the self-walking function; the trigger lever assembly 15 corresponds to the trigger switch 13 for the mowing function, and the mowing function of the mower is realized by driving the trigger lever assembly 15 to trigger the trigger switch 13 for the mowing function.

The switch assembly 1 that this embodiment provided can realize the function of mowing of lawn mower from walking, can realize the function of mowing of lawn mower again for switch assembly 1's function is abundanter, and is more various. The lawn mower provided by the embodiment can realize the self-walking function and the lawn mowing function only by arranging one switch assembly 1, does not need to arrange two switch assemblies 1, and can reduce the manufacturing cost of the lawn mower. Of course, in other embodiments, three or more trigger switches may be disposed in the box 11, each trigger switch corresponds to one function of controlling the lawn mower, each trigger switch corresponds to one trigger rod assembly, and the corresponding trigger switch is triggered by driving the trigger rod assembly to realize the corresponding function of the lawn mower.

The trigger switch in this embodiment is a reed type roller microswitch, which includes a switch main body and a reed capable of rotating relative to the switch main body, and the switch main body is provided with a button. The reed of each reed type roller micro switch is arranged opposite to the corresponding trigger rod assembly, and the corresponding reed is touched or kept away from by rotating the trigger rod assembly so as to realize the closing and opening of the corresponding reed type roller micro switch.

As shown in fig. 2, in the present embodiment, a rotating shaft 111 is provided inside the case 11, and the self-walking trigger lever assembly 14 and the mowing trigger lever assembly 15 are both rotatably connected to the rotating shaft 111 and arranged along the axial direction of the rotating shaft 111. The two trigger rod components share one rotating shaft 111, so that the internal structure of the box body 11 is more compact, the volume of the switch assembly 1 can be further reduced, and the manufacturing cost of the switch assembly 1 is reduced.

Specifically, the self-travel trigger lever assembly 14 in the present embodiment includes a self-travel trigger base 141 and a self-travel operation unit 142 that are detachably connected, and the self-travel trigger base 141 is rotatably connected to the rotating shaft 111 and can be brought into contact with the trigger switch 12 of the self-travel function; the trigger lever assembly 15 includes a trigger base 151 and a mowing operation portion 152 detachably connected to each other, and the trigger base 151 is rotatably connected to the rotary shaft 111 and can be abutted against the trigger switch 13 for mowing. Since the self-driving trigger lever 141 and the mowing trigger lever 151 are rotatably connected to the rotary shaft 111 for a long time, and the self-driving trigger lever 141 and the mowing trigger lever 151 are abutted to the corresponding trigger switches for a long time, the self-driving trigger lever 141 and the mowing trigger lever 151 are easily worn, and when the self-driving trigger lever 141 or the mowing trigger lever 151 is damaged, the self-driving trigger lever 141 or the mowing trigger lever 151 only needs to be replaced, thereby reducing the maintenance and replacement costs of the self-driving trigger lever assembly 14 and the mowing trigger lever assembly 15. Specifically, the trigger base and the corresponding operation portion can be detachably connected through a screw, a pin, and the like, and are not described in detail herein.

In addition, the self-driving trigger base 141 and the mowing trigger base 151 may be made of soft ground material having a certain hardness such as plastic, so that damage to the trigger switch 12 of the self-driving function and the trigger switch 13 of the mowing function due to excessive hardness of the self-driving trigger base 141 and the mowing trigger base 151 can be prevented. The self-walking operation unit 142 and the mowing operation unit 152 are made of metal, and can provide sufficient hardness for the operator to operate for a long time, thereby improving the service life of the self-walking operation unit 142 and the mowing operation unit 152.

When the lawn mower needs to realize the self-walking function and the mowing function at the same time, in order to facilitate an operator to simultaneously operate the self-walking trigger lever assembly 14 and the mowing trigger lever assembly 15 by one hand, the self-walking operation part 142 and the mowing operation part 152 are arranged at intervals in the circumferential direction of the rotating shaft 111, and when the self-walking operation part 142 and the mowing operation part 152 move towards directions close to each other, the self-walking operation part 142 and the mowing operation part 152 can drive the corresponding trigger bases to rotate and trigger the corresponding trigger switches. The operator can bring the self-travel operation unit 142 and the mowing operation unit 152 close to each other by hooking one of the mowing operation unit 152 and the self-travel operation unit 142 with the thumb and the other four fingers, and grasping the other fingers with the palm, thereby activating the corresponding trigger switches.

Specifically, as shown in fig. 3, the self-walking function trigger switch 12 includes a first switch main body and a first spring 121, the mowing function trigger switch 13 includes a second main body and a second spring 131, and the closing directions of the self-walking function trigger switch 12 and the mowing function trigger switch 13 are opposite, such as: when the first reed 121 rotates clockwise, the trigger switch 12 for the self-walking function is closed, and when the second reed 131 rotates counterclockwise, the trigger switch 13 for the mowing function is closed. When the operator pushes the self-travel trigger lever assembly 14 counterclockwise, the self-travel function trigger switch 12 can be closed to perform the self-travel function of the lawnmower; when an operator pushes the mower trigger lever assembly 15 clockwise, the trigger switch 13 for triggering the mowing function can be closed, so that the mowing function of the mower can be realized; when the operator simultaneously pushes the self-travel trigger lever assembly 14 counterclockwise and the mowing trigger lever assembly 15 clockwise, the trigger switch 12 for the self-travel function and the trigger switch 13 for the mowing function can be simultaneously closed to simultaneously realize the self-travel function and the mowing function of the mower.

As shown in fig. 4, the switch assembly 1 further includes a plurality of connecting wires 18 extending outside the box body 11, and the connecting wires 18 extending outside the box body 11 are wrapped by the wrapping layer 19 to form a whole, so that the connecting wires 18 of the outer leakage portion are neatly, simply and beautifully arranged, and the plurality of strands of connecting wires 18 are prevented from being intertwined with each other in a staggered manner.

A reset mechanism is arranged between the trigger lever component and the box body 11, and when an operator does not apply acting force on the trigger lever component, the reset mechanism can drive the corresponding trigger lever component to reset so as to disconnect the corresponding trigger switch.

As shown in fig. 5, a first spring 16 is provided between the self-driving trigger base 141 and the case 11, one end of the first spring 16 abuts against the case 11, and the other end abuts against the self-driving trigger base 141, and when the operator does not apply an acting force to the self-driving trigger lever assembly 14, the first spring 16 drives the self-driving trigger lever assembly 14 to rotate clockwise to be reset, so that the trigger switch 12 of the self-driving function is turned off, and the self-driving function of the lawnmower is suspended. In addition, set up first opening 112 on box body 11, in stretching into box body 11 through first opening 112 from trigger lever subassembly 14 of walking, first opening 112 can limit from trigger lever subassembly 14 of walking relative box body 11 at C angle internal rotation, can avoid from trigger lever subassembly 14 of walking excessively and with the collision of other spare parts in the box body 11, guarantee the normal work of other spare parts in the box body 11. Specifically, the angle C may be 10 ° to 60 °, and if the angle C is too small, the control of the self-travel function trigger switch 12 by the self-travel trigger lever assembly 14 cannot be satisfied; if the angle C is too large, the first opening 112 is too large, and the strength of the case 11 is not high.

As shown in fig. 6, a second spring 17 is disposed between the wrench cutting base 151 and the box body 11, one end of the second spring 17 abuts against the box body 11, and the other end abuts against the wrench cutting base 151, and when the operator does not apply an acting force to the wrench cutting lever assembly 15, the second spring 17 drives the wrench cutting lever assembly 15 to rotate counterclockwise to reset, so that the trigger switch 13 of the mowing function is turned off, and the mowing function of the mower is suspended. In addition, set up second opening 113 on box 11, trigger bar subassembly 15 stretches into in the box 11 through second opening 113, and second opening 113 can restrict trigger bar subassembly 15 and rotate at D angle relative to box 11, can avoid trigger bar subassembly 15 excessively rotates and the collision with other spare parts in the box 11 of mowing, guarantees the normal work of other spare parts in the box 11. Specifically, the D angle may be 10 ° to 60 °, and if the D angle is too small, the trigger switch 13 for the mowing function cannot be controlled by the trigger lever assembly 15; if the angle D is too large, the second opening 113 is too large, and the strength of the case 11 is not high.

For convenience of understanding, the electrical connection relationship of the switch box 1 will be briefly described below; the box body 11 is provided with a switch box circuit board 20, and as shown in fig. 7, the switch box circuit board 20 is electrically connected with the self-walking function trigger switch 12, the mowing function trigger switch 13, the self-walking speed regulating assembly 22, the mowing speed regulating assembly 25, the self-walking controller 23 and the mowing controller 26, respectively, wherein the self-walking controller 23 is further electrically connected with a self-walking motor 24, and the mowing controller 26 is further electrically connected with a mowing motor 27. The control circuit belongs to the mature technology in the field, and any circuit structure capable of realizing the control function in the prior art is adopted in the embodiment.

The control method of the self-traveling motor 24 is as follows: the self-walking trigger rod component 14 triggers the self-walking function trigger switch 12, the switch box circuit board 20 receives a signal of closing the self-walking function trigger switch 12 and sends a signal to the self-walking controller 23, and the self-walking controller 23 receives the signal sent by the switch box circuit board 20 and controls the self-walking motor 24 to run. The rotation speed of the self-walking motor 24 can be controlled through adjusting the self-walking speed regulating assembly 22 through the switch box circuit board 20 and the self-walking controller 23 in sequence, and the speed regulation of the mower during self-walking is realized. Specifically, the self-propelled speed adjusting assembly 22 can be a rotary rheostat electrically connected to the switch box circuit board 20, and the rotary rheostat is adjusted to realize stepless speed change of the self-propelled motor 24.

The control method of the mowing motor 27 comprises the following steps: the trigger lever assembly 15 triggers the trigger switch 13 of the mowing function, the switch box circuit board 20 receives a signal of closing the trigger switch 13 of the mowing function and sends a signal to the mowing controller 26, and the mowing controller 26 controls the mowing motor 27 to operate. The mowing intensity of the mower can be adjusted by adjusting the mowing speed adjusting assembly 25 to control the rotating speed of the mowing motor 27 through the switch box circuit board 20 and the mowing controller 26 in sequence. Specifically, the mowing speed adjusting assembly 25 may be a sliding rheostat electrically connected to the switch box circuit board 20, and the stepless speed change of the mowing motor 27 is realized by adjusting the sliding rheostat.

In addition, in order to increase the safety factor of the switch box 1, the switch box 1 further includes a main control button 21 electrically connected to the switch box circuit board 20, and the control method of the self-walking motor 24 and the control method of the mowing motor 27 described above can be implemented only when the main control button 21 is in a pressed state. This can be achieved by providing corresponding logical relationships on the switch box circuit board 20, or by providing mechanical mechanisms between the main control button 21 and the self-travel trigger lever assembly 14, and between the main control button 21 and the mower trigger lever assembly 15, which will not be described in detail herein.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A switch assembly for a garden tool, comprising a box (11), characterized in that it further comprises:

at least two trigger switches are arranged in the box body (11), and each trigger switch is used for opening and closing one function of the garden tool; and

the trigger switch comprises at least two trigger rod assemblies, wherein the trigger rod assemblies extend into the box body (11), each trigger rod assembly corresponds to one trigger switch, and the corresponding trigger switches can be triggered by driving the trigger rod assemblies.

2. The switch assembly according to claim 1, wherein a rotating shaft (111) is disposed inside the box body (11), and at least two trigger lever assemblies are rotatably connected to the rotating shaft (111) and arranged along an axial direction of the rotating shaft (111).

3. The switch assembly of claim 2, wherein the housing (11) defines an opening through which the trigger lever assembly extends into the housing (11), the opening being adapted to limit rotation of the trigger lever assembly relative to the housing (11) within a predetermined angle.

4. A switch assembly as set forth in claim 3, wherein said predetermined angle is between 10 ° and 60 °.

5. The switch assembly according to claim 2, wherein the trigger lever assembly comprises a connected operating portion and a trigger base, the trigger base being rotatably connected to the rotating shaft (111), and the trigger base being configured to rotatably trigger the corresponding trigger switch.

6. The switch assembly of claim 5, wherein the number of the trigger lever assemblies is two, two of the operating portions are spaced apart, and the operating portions are configured to move the trigger lever assemblies about the rotation axis (111) when the operating portions are moved toward each other to actuate the respective trigger switches.

7. The switch assembly of claim 6, wherein the two trigger switches are arranged to close in opposite directions, and wherein the two trigger lever assemblies are configured to rotate in opposite directions to actuate the respective trigger switches.

8. A switch assembly according to claim 1, wherein a reset mechanism is provided between the trigger lever assembly and the cartridge (11), the reset mechanism being configured to drive a reset of the corresponding trigger lever assembly to cause the corresponding trigger switch to open.

9. The switch assembly according to claim 8, wherein the return mechanism is a spring having one end abutting the box (11) and the other end abutting the corresponding trigger lever member.

10. The switch assembly of claim 1, further comprising:

and the connecting wires (18) extend out of the box body (11) and are coated and formed into a whole by a coating layer (19).

11. A garden tool comprising a switch assembly according to any one of claims 1 to 10.

12. The garden tool of claim 11, wherein the garden tool is a lawn mower and the trigger switch comprises a self-walking function trigger switch (12) and a lawn mowing function trigger switch (13).