Control device and gardening tool

Abstract

The utility model belongs to the technical field of gardening tools, and particularly relates to a control device and a gardening tool, and the control device comprises a movable part which is movably connected with a rack of the gardening tool, so that the movable part can be switched between a first position and a second position; the linkage control unit is configured to be capable of recognizing the position of the movable part and controlling the gardening tool to act according to the position of the movable part; and the first electric heating device is mounted on the movable part. The electric heating device is arranged on the control device, the electric heating device can keep the hands of a user warm, the use experience of the user is improved, in addition, the electric heating device can be automatically turned on or turned off according to the use state of the control device, and unnecessary electric energy loss is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to garden tool technical field, concretely relates to a control device and garden tool. BACKGROUND

[0002] The control device such as trigger of garden tool is generally exposed in the environment, when garden tool works in winter or low temperature environment, user's both hands also have to be exposed in low temperature environment. In order to improve the comfort of user, the prior art generally sets up heating device on control device, and heating device can only be controlled to open and close through simple switch, however, in actual application, user can frequently trigger or release control device, when user releases control device, user's hand is generally away from control device, and the continuous heating of control device can cause unnecessary waste of heat, especially for electric garden tool, and this heating mode can also affect the endurance of electric garden tool. SUMMARY

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a control device and garden tool, which can improve the comfort of garden tool in low temperature environment and reduce the energy consumption of garden tool.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a control device applied to garden tool, and the control device comprises:

[0005] Movable part, the movable part is movably connected with the frame of garden tool, so that the movable part can be switched between the first position and the second position;

[0006] Linkage control unit, configured to identify the position of the movable part, and control the action of garden tool according to the position of the movable part;

[0007] First electric heating device, installed on the movable part.

[0008] In an optional embodiment of the utility model, the first electric heating device is configured to start when the movable part is located at the second position, and the first electric heating device is closed when the movable part is located at the first position.

[0009] In an optional embodiment of the utility model, it further includes a handle, the handle is fixedly connected with the frame of garden tool, and the handle is provided with a second electric heating device.

[0010] In an optional embodiment of the utility model, it further includes a main switch, the main switch is configured to control the start and stop of the second electric heating device, and when the main switch is closed, the first electric heating device on the movable part at any position can be controlled to stop.

[0011] In an optional embodiment of the utility model, the total switch is configured to be able to control the first electric heating device and the second electric heating device to be opened or closed simultaneously.

[0012] In an optional embodiment of the utility model, the linkage control unit includes a position detection element and a controller, the position detection element and the first electric heating device are electrically connected with the controller, the position detection element is used for detecting the position of the movable part, and the controller is used for receiving the detection signal of the position detection element and controlling the garden tool and the first electric heating device to work according to the detection signal.

[0013] In an optional embodiment of the utility model, the position detection element includes a travel switch.

[0014] In an optional embodiment of the utility model, the first electric heating device includes a first electric heating wire embedded in the inside of the movable part.

[0015] In an optional embodiment of the utility model, the handle includes an inner cylinder and a protective sleeve, the second electric heating device includes a second electric heating wire wound on the outer wall of the inner cylinder, and the protective sleeve is wrapped on the outer side of the inner cylinder and shields the second electric heating wire.

[0016] In an optional embodiment of the utility model, the movable part is arranged close to the handle, and the movable part is configured to be capable of being held by one hand when the movable part is located at the second position.

[0017] In an optional embodiment of the utility model, the movable part includes a trigger, and the trigger is rotationally connected with the frame of the garden tool to enable the trigger to swing towards or away from the handle.

[0018] In an optional embodiment of the utility model, the movable part is configured to be capable of switching to the second position and remaining at the second position when the movable part is subjected to external force in a preset direction, and the movable part is capable of switching to the first position when the external force in the preset direction is eliminated.

[0019] To achieve the above object and other related objects, the utility model further provides a garden tool, which comprises:

[0020] A frame;

[0021] A walking unit is installed on the frame and is used for driving the garden tool to walk;

[0022] A working unit is installed on the frame and is used for performing garden maintenance related actions;

[0023] a handle mounted to the frame for a human hand to grasp;

[0024] a trigger corresponding to the handle; at least one of the triggers is used to control the action of the walking unit, and / or at least one of the triggers is used to control the action of the working unit;

[0025] a first electric heating device mounted to the trigger.

[0026] In an optional embodiment of the present application, the first electric heating device is configured to start when the trigger is triggered, and to stop when the trigger is released.

[0027] In an optional embodiment of the present application, the working unit comprises a snow sweeping device.

[0028] The present application has the technical effect that the electric heating device is provided on the control device, which can keep the user's hands warm and improve the user's experience. In addition, the electric heating device can be automatically started or stopped according to the use state of the control device, i.e. the electric heating device is started when the control device is triggered, and the electric heating device is stopped when the control device is restricted, which avoids unnecessary power consumption. This can effectively improve the endurance of the electric garden tool. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a perspective view of the control device in a first position according to an embodiment of the present application;

[0030] Figure 2 is a perspective view of the control device in a second position according to an embodiment of the present application; Figure 1 is a I partial enlarged view of

[0031] Figure 3 is a perspective view of the trigger according to an embodiment of the present application;

[0032] Figure 4 is a II partial enlarged view of Figure 3

[0033] Figure 5 is a perspective view of the handle according to an embodiment of the present application;

[0034] Figure 6 is a perspective view of the handle according to an embodiment of the present application;

[0035] Figure 7 is an exploded view of the handle according to an embodiment of the present application; ​

[0036] Figure 8 is a structural diagram of a garden tool provided by an embodiment of the present application;

[0037] Figure 9 is a perspective view of a snow sweeper provided by an embodiment of the present application. DETAILED DESCRIPTION

[0038] The other advantages and effects of the present application can be easily understood by those skilled in the art from the content disclosed in the present specification. The present application can also be implemented or applied in other different specific embodiments, and each detail in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0039] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application in the diagrams, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component in actual implementation can be changed arbitrarily, and the layout pattern of the components can also be more complex.

[0040] The control device provided by the present application is suitable for garden tools, especially hand-push garden tools, including but not limited to snow sweeper, lawn mower, seeder, etc.

[0041] One of the significant problems faced by hand-push garden tools when used in winter is that the hands of the operator are easily cold. The outdoor temperature is low in winter, and the operator may need to work for a long time in a cold environment. Long-term exposure to a low-temperature environment, especially the hands exposed to the outside, can cause blood circulation to slow down, and the hands to feel numb and uncomfortable. Therefore, the present application provides an electric heating device on the control device, which can keep the user's hands warm and improve the user's experience. In addition, the electric heating device provided by the present application can be automatically started or stopped according to the use state of the control device, that is, the electric heating device is started when the control device is triggered, and the electric heating device is stopped when the control device is limited, which avoids unnecessary power consumption. For electric garden tools, this can effectively improve their endurance.

[0042] The technical solutions of the present application will be described in detail below in combination with specific embodiments:

[0043] Please refer to Figures 1-9As shown, the embodiment of the utility model provides a kind of garden tool, which includes walking unit 120 and working unit 110 for realizing the basic function of garden work;Wherein walking unit 120 can include wheel, track wheel or universal wheel etc., can also include walking driving element, such as walking motor, for driving the movement of these wheel, track wheel or universal wheel etc.;Working unit 110 can be snow removal unit, mowing unit or sowing unit etc., these working units 110 can be equipped with independent working driving element, such as working motor, by itself;To Figure 9 As shown, snow blower is taken as an example, walking unit 120 and working unit 110 described above can be installed on rack 100;In addition to walking unit 120 and working unit 110 described above, the garden tool provided by the utility model further includes control device, and control device at least includes movable part 20, linkage control unit and first electric heating device 21;Movable part 20 is movably connected with the rack 100 of garden tool, to enable movable part 20 to switch between first position and second position;Linkage control unit is configured to be able to identify the position of movable part 20, and according to the position of movable part 20, control device is controlled to act;First electric heating device 21 is installed on movable part 20, and first electric heating device 21 is configured to start when movable part 20 is located at second position, and first electric heating device 21 is closed when movable part 20 is located at first position.

[0044] Movable part 20 described in the utility model is a device for triggering specific function of garden tool, for example, it can be a device for triggering walking motor to start or stop, it can also be a device for triggering working motor to start or stop, and it can also be a device for adjusting running parameter of walking motor or working motor.It should be understood that when user wants to trigger a function of garden tool through movable part 20, the hand of user must be in contact with movable part 20, and when user wants to turn off the function of garden tool, the hand of user will be separated from the movable part 20, so the heating demand of movable part 20 is not always present, for this, the utility model links the start-stop of first electric heating device 21 with the position of movable part 20, only when the hand of user is in contact with movable part 20, first heating device starts, otherwise first heating device is closed, which can not only ensure that user can have comfortable use experience when using movable part 20, but also avoid unnecessary power loss of first electric heating device 21 in idle state of movable part 20.

[0045] Please refer to Figure 1 , 4, 6, 7, in an optional embodiment of the utility model, still include handle 10, handle 10 is fixedly connected with the rack 100 of garden tool, handle 10 is equipped with second electric heating device 11.It should be understood that user needs to control the attitude of garden tool in real time through handle 10, or maintain the balance of own body through handle 10, therefore in most time, the hand of user is in contact with handle 10, the utility model sets up second electric heating device 11 on handle 10 can provide the continuous heat source for the hand of user, further improves the use experience of user.

[0046] Please refer to Figure 1 、 3 , 8, in an optional embodiment of the utility model, still include general switch 30, general switch 30 is configured as can control the start and shutdown of second electric heating device 11, and when general switch 30 is closed, can control the first electric heating device 21 on the movable part 20 in any position to be closed.It should be understood that in non-low temperature environment, user has no heating requirement, at this time, the heating function of garden tool can be closed through general switch 30, and the energy consumption of garden tool is reduced.

[0047] In an optional embodiment of the utility model, general switch 30 is configured as can control first electric heating device 21 and second electric heating device 11 to be opened simultaneously or closed.It should be understood that in some scenarios, the hand of user can be repeatedly contacted movable part 20 temporarily and high frequency, at this time, if the start and stop of first electric heating device 21 are controlled according to the position of movable part 20 again, then the temperature of movable part 20 will be warmed up and cooled down trivially, and because there is a certain delay in the process of warming up and cooling down, therefore in the time when user contacts movable part 20, effective heating can not be obtained, which will lead to the waste of heat, for this, the utility model can also control the start of first electric heating device 21 through general switch 30, when user needs to touch movable part 20 frequently, can adjust first electric heating device 21 to the always-on state through general switch 30, to provide stable heat source, meet the use requirement in different scenarios.

[0048] In some specific embodiments, general switch 30 can control the action of first electric heating device 21 and second electric heating device 11 with the following control logic, for example:

[0049] After the whole machine is pressed power-on button, garden tool is powered on and starts;General switch 30 is pressed once, and second electric heating device 11 starts;General switch 30 is pressed twice, and first electric heating device 21 and second electric heating device 11 are all driven;General switch 30 is pressed three times, and second electric heating device 11 starts, and first electric heating device 21 is used in the linkage control mode with movable part 20, that is, when movable part 20 is located at the second position, first electric heating device 21 starts, and when movable part 20 is located at the first position, first electric heating device 21 is closed.

[0050] In further embodiments, the above-mentioned states of the master switch 30 can be prompted by an indicator light, for example, different display modes of the indicator light such as color, constant light, flashing, etc. representing different states of the master switch 30.

[0051] By controlling the different working states of the electric heating devices through different pressing times of the master switch 30, the user can easily adjust the heating mode without complex settings. This design simplifies the user's operation process and improves the ease of use of the device; the multiple states of the master switch 30 are prompted by different display modes of the indicator light, so that the user can intuitively understand the current heating state and avoid misoperation.

[0052] In some embodiments, the first electric heating device 21 and the second electric heating device 11 can be configured with the following parameters:

[0053] The first electric heating device 21: power 4W-30W; surface temperature of the movable part 20 0℃-75C°; time for temperature rise 0℃-75C° 60S-350S;

[0054] The second electric heating device 11: power 4W-55W; surface temperature of the handle 10 0℃-75C°; time for temperature rise 0℃-75C° 60S-350S.

[0055] The first electric heating device 21 and the second electric heating device 11 both adopt a reasonable power range and temperature control, which can ensure the warmth of the hands in cold environment and avoid the safety hazards caused by overheating. At the same time, through accurate temperature control and fast temperature rise time, the heating efficiency is guaranteed.

[0056] Please refer to Figure 8As shown in the optional embodiment of the utility model, the linkage control unit includes a position detection element 22 and a controller 40, the position detection element 22 and the first electric heating device 21 are electrically connected with the controller 40, the position detection element 22 is used to detect the position of the movable part 20, the controller 40 is used to receive the detection signal of the position detection element 22, and according to the detection signal, the garden tool and the first electric heating device 21 are controlled to work. In this embodiment, the linkage control between the first electric heating device 21 and the movable part 20 is realized by the controller 40, and it should be understood that in some other embodiments, the linkage control between the first electric heating device 21 and the movable part 20 can also be realized by the circuit mode, for example, the start-stop of the first electric heating device 21 is controlled by the relay switch, and the relay switch action is controlled by the movement of the movable part 20. Since the controller 40 and the position detection element 22 are inherent elements of the garden tool, the linkage control between the movable part 20 and the first electric heating device 21 is realized by the controller 40 in this embodiment, without additional equipment cost, and the control mode is more simple and direct, avoiding the redundant circuit design.

[0057] In an optional embodiment of the utility model, the position detection element 22 includes a travel switch. In some alternative embodiments, the position detection element 22 can also be a photoelectric sensor, a hall sensor and other sensing elements with position detection function.

[0058] Please refer to Figure 5 As shown in the optional embodiment of the utility model, the first electric heating device 21 includes a first electric heating wire embedded in the movable part 20. The electric heating wire is convenient to adjust the space layout according to the shape of the movable part 20, and improve the versatility of the first electric heating device 21. It should be understood that in some other embodiments, the electric heating wire can also be replaced by a radiant heater, a heat pump heater and other heating elements.

[0059] Please refer to Figure 6 , 7In an optional embodiment of the utility model, the handle 10 includes an inner cylinder 101 and a protective sleeve 102, and the second electric heating device 11 includes a second electric heating wire wound on the outer wall of the inner cylinder 101. The protective sleeve 102 is wrapped on the outer side of the inner cylinder 101 and shields the second electric heating wire. By wrapping the electric heating wire with the protective sleeve 102, the electric heating wire can be effectively isolated from the external environment, reducing the risk of electric shock. The protective sleeve 102 can prevent the electric heating wire from contacting other metal components, avoiding short circuit or electrical failure. The protective sleeve 102 can protect the electric heating wire from physical damage such as collision and abrasion, prolonging its service life. The protective sleeve 102 can provide certain moisture and water resistance, preventing the electric heating wire from being affected by moisture or causing safety hazards. The electric heating wire wound on the outer wall of the inner cylinder 101 can concentrate heat transfer to the handle 10, improving heating efficiency and achieving uniform distribution of the handle 10 temperature, providing a comfortable gripping experience.

[0060] Please refer to Figures 1-4 In an optional embodiment of the utility model, the movable part 20 is arranged close to the handle 10, and the movable part 20 is configured to be held by one hand when the movable part 20 is in the second position. In specific embodiments, the movable part 20 may, for example, include a trigger, which is rotationally connected to the frame 100 of the garden tool, so that the trigger can swing towards or away from the handle 10. The user can hold the handle 10 and operate the movable part 20 with one hand at the same time, making the operation more convenient and efficient. Especially when quick response or continuous operation is required, single-handed operation can reduce the burden on the hand and reduce hand fatigue caused by long-term operation. It should be understood that in some other embodiments, the movable part 20 can also be other forms of control devices such as a pull rod.

[0061] In an optional embodiment of the utility model, the movable part 20 is configured to switch to the second position and remain in the second position when the movable part 20 is subjected to an external force in a predetermined direction, and the movable part 20 can switch to the first position when the external force in the predetermined direction is removed. Specifically, for example, a resilient element can be provided between the movable part 20 and the frame 100. When the movable part 20 is subjected to an external force, the movable part 20 overcomes the elastic force of the resilient element and switches to the second position. When the external force is removed, the movable part 20 returns to the first position under the action of the elastic force of the resilient element. The user only needs to apply an external force to switch the movable part 20 to the second position, and the movable part 20 will automatically reset after the external force is released, without the need for additional operation steps. This can reduce the risk of misoperation due to forgetting to reset and improve the accuracy of operation. When the external force is removed, the movable part 20 automatically returns to the first position, which can prevent the tool from starting in an unexpected situation and improve safety.

[0062] Please refer to Figure 9As shown, in an optional embodiment of the present application, the handle 10 is provided with at least two, and the at least two handles 10 are respectively used for holding by left hand and right hand; the trigger is provided with at least two, and at least one trigger is arranged on the frame 100 corresponding to each handle 10; the at least one trigger is used for controlling the action of the walking unit 120; the at least one trigger is used for controlling the action of the working unit 110, for example, for controlling the start and stop of the snow sweeping device. The user can simultaneously use the left hand and the right hand to hold different handles 10, and each hand can independently operate the corresponding trigger, so that the operation is more flexible and convenient; each hand can independently control different functions, for example, one hand controls the walking unit 120, and the other hand controls the working unit 110, thereby improving the accuracy and control ability of operation.

[0063] In summary, the present application links the start and stop of the first electric heating device 21 with the position of the movable part 20, and only when the hand of the user contacts the movable part 20, the first heating device is started, otherwise the first heating device is closed, so that the user can have a comfortable use experience when using the movable part 20, and unnecessary power consumption of the first electric heating device 21 in the idle state of the movable part 20 is avoided.

[0064] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

[0065] In the description herein, many specific details are provided, such as examples of components and / or methods, to provide a thorough understanding of embodiments of the present application. Those skilled in the art, however, will recognize that the application embodiments can be practiced without one or more of the specific details, or with other devices, systems, assemblies, methods, components, materials, parts, and / or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail in order to avoid obscuring aspects of embodiments of the present application.

Claims

1. A steering device characterized by comprising: The application is applied to garden tools, and the control device comprises: a movable part, which is movably connected with a frame of the garden tool, so that the movable part can be switched between a first position and a second position; a linkage control unit, which is configured to recognize the position of the movable part and control the action of the garden tool according to the position of the movable part; a first electric heating device, which is installed on the movable part.

2. The steering device according to claim 1, characterized by The first electric heating device is configured to be started when the movable part is in the second position, and is closed when the movable part is in the first position.

3. The steering device according to claim 2, characterized in that, Further comprising a handle, which is fixedly connected with the frame of the garden tool, and the handle is provided with a second electric heating device.

4. The steering device according to claim 3, characterized in that, Further comprising a master switch, which is configured to control the starting and closing of the second electric heating device, and when the master switch is closed, the first electric heating device on the movable part in any position can be controlled to be closed.

5. The steering device according to claim 4, characterized in that, The master switch is configured to control the first electric heating device and the second electric heating device to be started or closed at the same time.

6. The steering device according to claim 2, characterized by The linkage control unit comprises a position detection element and a controller, the position detection element and the first electric heating device are electrically connected with the controller, the position detection element is used to detect the position of the movable part, and the controller is used to receive the detection signal of the position detection element and control the garden tool and the first electric heating device to work according to the detection signal.

7. The steering device according to claim 6, characterized in that The position detection element comprises a travel switch.

8. The steering device of claim 1, wherein The first electric heating device comprises a first electric heating wire embedded in the inside of the movable part.

9. The steering device according to claim 3, characterized by The handle comprises an inner cylinder and a protective sleeve, the second electric heating device comprises a second electric heating wire wound on the outer wall of the inner cylinder, and the protective sleeve is wrapped on the outer side of the inner cylinder and shields the second electric heating wire.

10. The steering device according to claim 3, characterized by The movable part is arranged close to the handle, and the movable part is configured to be held by one hand when the movable part is in the second position.

11. The steering device according to claim 10, characterized in that, The movable part comprises a trigger, which is rotatably connected with the frame of the garden tool, so that the trigger can swing towards or away from the handle.

12. The steering device according to claim 2, characterized by The movable part is configured to switch to the second position and remain in the second position when the movable part is subjected to external force in a preset direction, and the movable part can switch to the first position when the external force in the preset direction is eliminated.

13. A garden tool, characterized in that Comprise: a frame; a walking unit, which is installed on the frame and is used to drive the garden tool to walk; a working unit, which is installed on the frame and is used to perform garden maintenance related actions; a handle, which is installed on the frame and is used for a hand to hold; a movable part, which comprises a trigger, the trigger is arranged corresponding to the handle, the trigger is rotatably connected with the frame, so that the trigger can swing towards or away from the handle; at least one trigger is used to control the action of the walking unit, and / or at least one trigger is used to control the action of the working unit; A linkage control unit configured to recognize the position of the movable part and control the action of the garden tool according to the position of the movable part; A first electric heating device is installed on the trigger.

14. The garden tool of claim 13, wherein: The first electric heating device is configured to start when the trigger is triggered, and the first electric heating device corresponding to the trigger is turned off when the trigger is released.

15. The garden tool of claim 13, wherein, The working unit includes a snow sweeping device.

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