CN211353107U - Garden tool - Google Patents

Abstract

The utility model provides a garden tool, include the main part, install walking wheel on the main part and set up the control panel on the main part, control panel is including walking control assembly from walking, it includes from walking starting piece to walk control assembly, control panel still includes the switch that cruises, starts after the garden tool, promotes from walking starting piece, garden tool begins to walk by oneself, under the switch open mode that cruises, loosens from walking starting piece, garden tool continues to walk by oneself. Therefore, the safety of an operator can be guaranteed, and the operation and the control are convenient.

Description

Garden Tools

technical field

The utility model relates to a garden tool, in particular to a garden tool which is convenient to operate and safe and convenient to use.

Background technique

In order to save the operator's physical strength, the existing lawn mowers are often provided with a self-propelled function, that is, to provide power for the lawn mower to walk. In order to ensure the safety performance, most of them use the normally open trigger button as the switch of the self-propelling function of the lawn mower. The switch to trigger the self-propelling function needs to be pressed all the time. When the operator releases it, the self-propelling stops immediately.

Although such a design can ensure the safety of the operator, it also brings inconvenience to the operator.

In view of this, it is indeed necessary to propose improvements to the existing lawn mowers to solve the above problems.

Utility model content

The purpose of the utility model is to provide a garden tool, which can not only ensure the safety of the operator, but also facilitate the manipulation.

In order to achieve the above purpose, the present invention provides a garden tool, comprising a main body, a traveling wheel mounted on the main body, and a control panel arranged on the main body, the control panel comprising a self-propelled control assembly, the self-propelled control assembly. The travel control assembly includes a self-propelled starter, and the control panel further includes a cruise switch. After starting the garden tool, push the self-propelled starter, the garden tool starts to travel, and when the cruise switch is turned on, release the self-propelled starter. The self-propelled starter, the garden tool continues to self-propell.

As a further improvement of the present invention, after the self-propelling is started, the cruise switch is turned off, and the garden tool stops self-propelling.

As a further improvement of the present invention, after the self-propelled start, the self-propelled starter is pushed again, and the garden tool stops self-propelled.

As a further improvement of the present invention, the control panel further includes a main knife control assembly, and the main knife control assembly includes a main knife pull rod. The main knife pull rod, the garden tool stops self-propelled.

As a further improvement of the present invention, the control panel is installed on the main body through a push rod, the control panel includes an upper panel and a lower panel, and the upper panel and the lower panel are formed together to install the control panel The installation part on the push rod and the accommodating part for integrally installing the self-propelled control assembly, the cruise switch is arranged on the side of the installation part facing the garden tool operator.

As a further improvement of the present invention, the garden tool further includes a self-propelled motor and a self-propelled switch, and the self-propelled switch is connected with the self-propelled starter, so that after the self-propelled starter is pushed, the self-propelled The self-propelled switch sends a signal to the self-propelled motor and starts the self-propelled motor.

As a further improvement of the present invention, the self-propelled starter is a self-propelled starter paddle, and the self-propelled starter paddle is provided with a starting boss. After the self-propelled starter paddle is pushed, the start-off boss starts To the contact point of the self-propelled switch, the self-propelled switch is closed and energized, and the self-propelled motor is started.

As a further improvement of the present invention, the self-propelled control assembly further includes a paddle return spring connected to the self-propelled starter paddle, and the elastic force of the paddle return spring makes the self-propelled starter paddle back To the initial position, the self-propelled motor stops running.

As a further improvement of the present invention, the self-propelled control assembly further includes a speed control dial and a potentiometer connected to the speed control dial, the speed control dial is provided with teeth, and the speed control dial The teeth of the button are connected with the speed regulating pinion connected to the potentiometer to adjust the self-propelled speed of the garden tool.

As a further improvement of the present invention, the self-propelled control assembly further includes a damping spring, one end of the damping spring is fixed, and the other end protrudes between the teeth of the speed control dial. When the speed control dial is adjusted When the damping spring is pressed, the other end of the damping spring will cause the speed adjustment knob to be touched.

The beneficial effects of the utility model are as follows: the garden tool of the present utility model is provided with a cruise switch on the control panel, so that after the garden tool is started, the self-propelled starter is pushed, and the garden tool starts to travel by itself, and when the cruise switch is turned on In the state where the self-propelled starter is released, the garden tool can continue to self-propell, so that not only the safety of the operator is ensured, but also the control is convenient.

Description of drawings

FIG. 1 is a perspective view of the garden tool of the present invention.

FIG. 2 is another perspective view of the garden tool shown in FIG. 1 .

FIG. 3 is a partial enlarged view of the control panel in FIG. 2 .

FIG. 4 is an exploded perspective view of the control panel shown in FIG. 3 .

FIG. 5 is a schematic diagram of the main knife control assembly with the upper panel removed.

FIG. 6 is a schematic diagram of the self-propelled control assembly after the upper box cover is removed.

FIG. 7 is a partial cross-sectional view of the self-propelled starter paddle in the initial position.

FIG. 8 is a partial cross-sectional view of the self-propelled activation paddle touching the self-propelled switch.

Fig. 9 is a partial enlarged view when the speed control knob is matched with the potentiometer.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present utility model more clear, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and/or processing steps closely related to the solution of the present invention are shown in the drawings, and omitted Other details not related to the present invention.

In addition, it should be noted that the terms "comprising", "comprising" or any other variation are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also Include other elements not expressly listed, or which are inherent to such a process, method, article or apparatus.

Referring to FIGS. 1 to 3 , the present invention discloses a garden tool, which is a lawn mower in one embodiment. The lawn mower 100 includes a main body 10 , a running wheel 20 mounted on the main body 10 , a push rod 30 disposed behind the main body 10 and extending obliquely upward, and a control panel 40 for controlling the operation of the lawn mower 100 . Preferably, the control panel 40 is mounted on the main body 10 through the push rod 30 .

The main body 10 includes a main knife for cutting grass, a main knife motor for driving the main knife, a self-propelled motor for driving the traveling wheel 20 to travel, and a power supply for powering the main knife motor. The push rod 30 has a U-shaped structure, which includes a pair of side rods 31 and an upper push rod 32 connected to the pair of side rods 31. The upper push rod 32 has a three-section structure, which is easy to operate as a control part during use. grasp. Since other structures of the main body portion 10 and the push rod 30 belong to the prior art, they will not be described in detail here.

The control panel 40 is an inverted T-shaped structure fixed on the push rod 30 , and includes a laterally extending mounting portion 41 mounted on a pair of side rods 31 and a receiving portion 42 extending backward from the middle of the mounting portion 41 . The control panel 40 is disposed near the top of the push rod 30 , and the receiving portion 42 is disposed adjacent to the upper push rod 32 .

Referring to FIGS. 4 and 5 , the control panel 40 includes an upper panel 50 , a lower panel 60 , a main knife control assembly 70 and a self-propelled control assembly 80 . The mounting portion 41 is jointly formed by the upper panel 50 and the lower panel 60, and is used for mounting the control panel 40 on the push rod 30; Go to control assembly 80. Preferably, the receiving portion 42 is provided with a first cavity 43 and a second cavity 44, and the first cavity 43 is formed by the upper panel 50 and the lower panel 60. The main knife of the lawn mower 100 controls The assembly 70 is installed in the first cavity 43 .

The main knife control assembly 70 includes a main knife button 71 , a first main knife control switch 72 connected to the main knife button 71 , a main knife pull rod 73 and a second main knife control switch 74 connected to the main knife pull rod 73 . The main knife button 71 is fixed on the lower panel 60 by the pressing plate 75 , and the main knife button 71 can reciprocate along the axial direction of the control panel 40 . The first main knife control switch 72 is controlled by the main knife button 71, and a button return spring 76 is also provided between the main knife button 71 and the first main knife control switch 72. When there is no external force, the main knife button 71 is in the elastic state. In the ON state, the main knife button 71 is not in contact with the first main knife control switch 72 . The main knife button 71 is a point-touch type. When starting, press the main knife button 71 to trigger the first main knife control switch 72 to send a signal, and then the main knife button 71 can be released, so that the main knife button 71 is in the button return spring 76. rebound under the action.

For the operator's operating comfort, the shape of the main knife pull rod 73 matches the upper push rod 32 of the push rod 30, and is also a three-stage structure. A tie rod pressing block 77 is provided between the main knife tie rod 73 and the second main knife control switch 74 , and the tie rod pressing block 77 is used to contact or separate from the second main knife control switch 74 . Specifically, the main knife pull rod 73 is provided with a pressure block return spring 78. When the main knife pull rod 73 is drawn closer, the main knife pull rod 73 drives the pull rod pressure block 77 to move, and the second master knife control switch 74 is activated. And send a signal; when the main knife pull rod 73 is released, the pressure block return spring 78 exerts an elastic restoring force on the pull rod pressure block 77, and the push rod pressure block 77 is separated from the second main knife control switch 74. At this time, all the The main knife pull rod 73 is separated from the upper push rod 32 of the push rod 30 and returned to its original position.

When starting the lawn mower 100, it is necessary to touch the main knife button 71 and pull the main knife pull rod 73 to respectively control the first main knife control switch 72 and the second main knife control switch 74 to send signals. In the present invention, the main knife button 71 and the main knife pull rod 73 are respectively activated within a certain period of time (preferably 5 s) to realize the activation of the main knife motor of the lawn mower 100 .

Specifically, after pressing the main knife button 71, the first main knife control switch 72 is triggered and sends a signal to the control panel 40, and the main knife pull rod 73 is pulled within a certain period of time to make it fit with the upper push rod 32 on the top of the push rod 30, At this time, the second main knife control switch 74 is triggered and a signal is sent to the control panel 40 , and the main knife motor of the lawn mower 100 is activated to drive the main knife to rotate. After the specified time is exceeded, the main knife pull rod 73 is pulled, and the main knife motor cannot be started. It is necessary to touch the main knife button 71 again and pull the main knife pull rod 73 again to start the main knife motor.

Of course, the two actions of touching the main knife button 71 and pulling the main knife lever 73 are in no particular order, but to activate the main knife, both the first main knife control switch 72 and the second main knife control switch 74 must be activated. After starting, because the main knife button 71 is a touch type, there is no need to press it all the time; and the main knife pull rod 73 must be kept in a pulled state. This is because: after the main knife lever 73 is released, no matter what state the main knife button 71 is in, the lawn mower 100 will stop working immediately. Such setting can not only ensure the simplicity of the operation, but also ensure the safety of the operation.

Referring to FIG. 4 and FIGS. 6 to 9 , an upper box cover 51 is arranged above the upper panel 50 , and the second cavity 44 is formed between the upper box cover 51 and the upper panel 50 . The second cavity 44 is located above the first cavity 43 for installing and accommodating the self-propelled control assembly 80 . The self-propelled control assembly 80 includes a self-propelled starter 81 , a self-propelled switch 82 connected to the self-propelled starter 81 , a speed adjustment knob 83 and a potentiometer 84 connected to the speed adjustment knob 83 . After the self-propelled starter 81 is pushed, the self-propelled switch 82 sends a signal to the self-propelled motor and starts the self-propelled motor.

Preferably, the self-propelled starter 81 is a self-propelled starter paddle, and the self-propelled starter paddle 81 can be pivotally connected to the control panel 40 along a pivot axis. A paddle return spring 85 is provided between the control panels 40 . When the self-propelled starter paddle 81 is pushed forward, the self-propelled starter paddle 81 touches the self-propelled switch 82, and the self-propelled switch 82 sends a signal to the control panel 40 to start the self-propelled motor. When the self-propelled starter paddle 81 is no longer pressed, the elastic force of the paddle return spring 85 makes the self-propelled starter paddle 81 return to the initial position, and the self-propelled motor stops running.

Specifically, the self-propelled starter paddle 81 is provided with a starting boss 810. After the self-propelled starter paddle 81 is pushed, the start-off boss 810 starts to the contact 820 of the self-propelled switch 82, so The self-propelled switch 82 is closed and energized, and the self-propelled motor is started.

The speed control dial 83 is provided with teeth, and the teeth of the speed control dial 83 are connected with the speed control pinion 86 connected to the potentiometer 84, so that the speed control dial 83 can be adjusted by adjusting the speed control dial 83. Potentiometer 84 outputs a signal to control panel 40, which in turn adjusts the self-propelled speed of lawn mower 100. In this embodiment, the self-propelling speed can be adjusted before pressing the self-propelling start paddle 81 or after pressing the self-propelling start paddle 81 .

During the self-propelling process, in a short time (preferably 1.5s), the self-propelled starting paddle 81 can be loosened, and the speed-adjusting dial 83 can be adjusted. After the adjustment of the button 83, the self-propelled starter paddle 81 is pressed again, the self-propelled motor continues to run, and the lawn mower 100 can keep self-propelled during this process. If the time for releasing the self-propelled starter paddle 81 exceeds 1.5s, since the control panel 40 neither detects the signal of the potentiometer 84 nor the signal of the self-propelled switch 82, the self-propelled motor immediately stops running.

Preferably, the self-propelled control assembly 80 further includes a damping spring 87 installed in the second cavity 44 between the upper box cover 51 and the upper panel 50, one end of the damping spring 87 is fixed on the upper panel 50, The other end protrudes between the teeth of the speed control knob 83 . When adjusting the speed adjusting knob 83 , the other end of the damping spring 87 will cause the speed adjusting knob 83 to be touched, so that the operation has a manipulation feeling.

If there is no damping torsion spring 87, the installation gap of the speed control knob 83 needs to rely on the assembly gap between the upper box cover 51, the upper panel 50 and the self-propelled starter paddle 81 to ensure the tightness of the speed control knob 83 when it moves. If it is too loose, when the whole machine vibrates, the speed regulating dial 83 will rotate by itself; if it is too tight, it will not move or feel bad; and after the damping torsion spring 87 is added in the present invention, not only can The non-operational rotation of the speed control knob 83 is prevented, and the operation safety can also be ensured.

In the present invention, the main knife control assembly 70 and the self-propelled control assembly 80 are integrated and installed in the receiving portion 42 of the control panel 40, and the main knife button 71, the main knife pull rod 73, the self-propelled starter paddle 81 and the speed regulation The dial buttons 83 are all disposed on the side of the control panel 40 facing the lawnmower operator to form a control area. The control panel 40 is provided with two openings on the side facing the lawnmower operator, specifically the first opening 61 provided on the lower panel 60 and the second opening 52 provided on the upper panel 50, the main knife button. 71 and the speed control dial 83 are respectively disposed in the first opening 61 and the second opening 52, and the main knife button 71 is located in the lower part of the control area, and the speed control dial 83 is located in the middle of the control area. The self-propelled activation paddle 81 and the main knife pull rod 73 are pivotally connected to the control panel 40 , and the self-propelled activation paddle 81 and the main knife pull rod 73 are both located at the upper part of the control area.

Further, the self-propelled starter paddle 81 , the main knife pull rod 73 and the upper push rod 32 are arranged adjacent to each other, so that the operator can grasp the three and control the self-propelled starter paddle 81 and the main knife pull rod 73 at the same time. Please refer to FIG. 5 together. When starting, the self-propelled starter paddle 81 and the main knife pull rod 73 rotate in the direction of approaching each other, that is, the main knife pull rod 73 rotates backward in the direction of F1, and the self-propelled starter paddle 81 rotates in the direction of F2. The direction is rotated forward, and the operator can activate both while grasping, without making major movements.

Referring to FIGS. 2 to 4 , the control panel 40 further includes a cruise switch 90 , and the cruise switch 90 is disposed on the side of the installation portion 41 facing the operator to facilitate the operator to operate. The cruise switch 90 has two modes: an on mode and an off mode. In the off mode, the lawn mower 100 starts and self-propels according to the existing starting mode; in the on mode, after the lawn mower 100 is started, Pushing the self-propelled starter paddle 81, the lawn mower 100 starts to self-propel, and after releasing the self-propelled starter paddle 81, the lawnmower 100 continues to self-propel.

Of course, if the lawn mower 100 wants to stop self-propelled for a period of time, it can be realized in the following three ways: 1. Turn off the cruise switch 90, and the lawn mower 100 immediately stops self-propelled; 2. Again Push the self-propelled starter paddle 81, and the lawn mower 100 stops self-propelling immediately; 3. Release the main knife lever 73, and the lawn mower 100 immediately stops self-propelling.

When the lawn mower 100 of the present invention is started, the main knife button 71 can be pressed first, and the main knife pull rod 73 can be pulled to fit with the push rod 30 within a certain period of time. The lower main knife button 71; after the first main knife control switch 72 and the second main knife control switch 74 are triggered successively within a certain period of time, the main knife motor of the lawn mower 100 starts to drive the main knife to rotate.

When starting the self-propelled, in the power-on state of the whole machine, push the self-propelled starter paddle 81 forward, so that the starting boss 810 of the self-propelled starter paddle 81 starts to the contact 820 of the self-propelled switch 82, and the self-propelled switch 82 is closed and energized , and the self-propelled motor starts to work.

When the cruise switch 90 is off, when the self-propelled starter paddle 81 is released, under the action of the paddle return spring 85, the self-propelled starter paddle 81 returns to its original position, the self-propelled switch 82 is turned off, and the self-propelled motor stops. Work. When the cruise switch 90 is turned on, after releasing the self-propelled starter paddle 81, the self-propelled motor continues to work, and the lawn mower 100 can continue to self-propell.

When it is necessary to adjust the self-propelled speed, turn the speed-adjusting dial button 83 to the left or right, and the teeth of the speed-adjusting dial button 83 mesh with the toothed structure of the speed-adjusting pinion 86, so that the resistance value can be adjusted to change the automatic speed. The speed of the motor is adjusted, and then the self-propelled speed is changed.

In the present invention, the self-propelled control assembly 80 and the main knife control assembly 70 are integrated into one body, installed on the receiving part 42 of the control panel 40, and the control area is set on the side of the control panel 40 facing the operator, and the main knife The button 71, the main knife pull rod 73, the self-propelled starter paddle 81 and the speed control dial 83 are set close to each other, especially the self-propelled starter paddle 81 and the main knife pull rod 73 that need to be controlled during operation are respectively set adjacent to the upper push rod 32 , so that in the operation process, the operator's hands can complete the control of the control panel 40 without making large movements, which is convenient and quick.

At the same time, by setting the cruise switch 90 on the control panel 40, the cruise switch 90 can be turned on when the self-propelling starts to achieve the effect of releasing the self-propelling start paddle 81 and continuing the self-propelling; and when it is necessary to stop the self-propelling, It can be done by turning off the cruise switch 90, pushing the self-propelled starter paddle 81 again, and loosening the main knife pull rod 73. The operation is simple and easy to implement.

To sum up, when the garden tool of the present invention is turned on, the two actions of turning on the main knife button 71 and turning on the main knife pull rod 73 can be performed at intervals, but they need to be completed within a certain period of time; after starting the self-propelled starter paddle 81, The self-propelled starting paddle 81 can be loosened, and the speed-adjusting dial 83 can be adjusted in a short period of time, and the self-propelled motor still operates normally; this setting can not only ensure the simplicity of operation, but also ensure the safety of operation.

In addition, by arranging the cruise switch 90 on the control panel 40, after starting the garden tool, push the self-propelled start paddle 81, the garden tool starts to run on its own, and when the cruise switch 90 is turned on, release the self-propelled starter paddle 81. When the starter paddle 81 is moved, the garden tool can continue to move on its own, which not only ensures the safety of the operator, but also facilitates manipulation.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or Equivalent replacement, without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a garden tool, includes the main part, installs walking wheel on the main part and sets up the control panel on the main part, control panel includes from walking control assembly, from walking control assembly including walking starting piece, its characterized in that: the control panel also comprises a cruise switch, after the garden tool is started, the self-walking starting piece is pushed, the garden tool starts to self-walk, and in the starting state of the cruise switch, the self-walking starting piece is released, and the garden tool continues to self-walk.

2. The gardening tool according to claim 1, wherein: after the self-walking is started, the cruise switch is turned off, and the garden tool stops self-walking.

3. The gardening tool according to claim 1, wherein: after the self-walking is started, the self-walking starting piece is pushed again, and the garden tool stops self-walking.

4. The gardening tool according to claim 1, wherein: the control panel still includes main sword control assembly, main sword control assembly includes the main sword pull rod, the main sword pull rod keeps the starting condition at garden instrument operation in-process, from walking the start-up back, loosens the main sword pull rod, garden instrument stops from walking.

5. The gardening tool according to claim 1, wherein: control panel passes through the push rod to be installed on the main part, control panel includes upper panel and lower panel, just upper panel and lower panel form jointly and are used for installing control panel at the installation department on the push rod and be used for integrated installation from walking control assembly's portion of acceping, the switch that cruises is located one side towards garden instrument operator of installation department.

6. The gardening tool according to claim 1, wherein: the garden tool further comprises a self-propelled motor and a self-propelled switch, wherein the self-propelled switch is connected with the self-propelled starting piece, so that after the self-propelled starting piece is pushed, the self-propelled switch sends a signal to the self-propelled motor and starts the self-propelled motor.

7. The gardening tool according to claim 6, wherein: the self-propelled starting piece is a self-propelled starting shifting piece, the self-propelled starting shifting piece is provided with a starting boss, after the self-propelled starting shifting piece is pushed, the starting boss starts to a contact of the self-propelled switch, the self-propelled switch is closed and powered on, and the self-propelled motor is started.

8. The gardening tool according to claim 7, wherein: the self-propelled control assembly further comprises a shifting piece return spring connected with the self-propelled starting shifting piece, the self-propelled starting shifting piece returns to the initial position through the elastic force of the shifting piece return spring, and the self-propelled motor stops running.

9. The gardening tool according to claim 1, wherein: the self-walking control assembly further comprises a speed-regulating shifting button and a potentiometer connected with the speed-regulating shifting button, wherein teeth are arranged on the speed-regulating shifting button, and the teeth of the speed-regulating shifting button are connected with a speed-regulating pinion connected to the potentiometer so as to adjust the self-walking speed of the garden tool.

10. The gardening tool according to claim 9, wherein: the self-propelled control assembly further comprises a damping spring, one end of the damping spring is fixed, the other end of the damping spring extends out of the tooth space of the speed-regulating shifting button, and when the speed-regulating shifting button is regulated, the other end of the damping spring enables the speed-regulating shifting button to be triggered.

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