Multipurpose gardening tool

Abstract

The utility model discloses a multipurpose gardening tool. The multipurpose gardening tool comprises a rack, a handle and a handle, the wheel set is connected to the rack, comprises a wheel capable of rotating around the axis of the wheel and is arranged to support the multipurpose gardening tool to walk on the ground; the first power device at least comprises a first motor; one of the working devices is detachably connected to the first power device, so that the working devices are driven by the first motor to execute corresponding functions of the multipurpose gardening tool; a first battery pack that supplies power to the first motor; in the front-back direction, the first battery pack is located in front of the first motor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of garden tools, for example to a multi-purpose garden tool. BACKGROUND

[0002] Garden tools are devices for maintaining green landscapes, and are mechanized tools that can replace most manual labor for maintaining lawns, hedges, and protecting flowers, plants, and trees. The working heads of conventional garden tools are mostly fixed to the frame, so that when the working head is damaged, it is difficult to repair, and even the entire machine needs to be replaced, resulting in high maintenance costs. In addition, the same garden tool has a single function, so when different work needs to be completed, multiple different types of garden tools need to be used, which also increases the user's purchase cost and occupies a large amount of space when stored.

[0003] This part provides background information related to the present application, which may not be prior art. CONTENT OF THE INVENTION

[0004] An object of the present application is to solve or at least alleviate part or all of the above problems. To this end, the present application provides a multi-purpose garden tool.

[0005] To achieve the above object, the present application adopts the following technical solution:

[0006] A multi-purpose garden tool includes: a wheel set including a wheel rotatable about a wheel axis, for supporting the multi-purpose garden tool to walk on the ground; a first power device including at least a first motor; a plurality of working devices selectively detachably connected to the first power device and driven by the first motor to perform corresponding functions of the multi-purpose garden tool; a first battery pack for supplying power to the first motor; and in the front-rear direction, the first battery pack is located in front of the first motor.

[0007] In some embodiments, in the front-rear direction, the center of gravity of the first battery pack is located in front of the wheel, and in the up-down direction, the center of gravity of the first battery pack is located above the wheel.

[0008] In some embodiments, in the front-rear direction, the first motor is located behind the wheel.

[0009] In some embodiments, the working device includes a working head and a connecting pipe connected to the working head, the connecting pipe is detachably connected to the first power device, and in the front-rear direction, the first battery pack is at least partially disposed between the working head and the wheel.

[0010] In some embodiments, the first battery pack is located below the connecting pipe of the working device.

[0011] In some embodiments, in the front-rear direction, the center of gravity of the multi-purpose garden tool is located between the working head of the working device and the wheel.

[0012] In some embodiments, the multi-purpose garden tool further comprises a second battery pack, which is detachably mounted to the multi-purpose garden tool; the second battery pack is configured to at least one of: supply power to the first motor, or supply power to other electric power tools after being detached.

[0013] In some embodiments, the first battery pack has an energy range of 150-900 Wh.

[0014] In some embodiments, the multi-purpose garden tool comprises a battery compartment, and the first battery pack is detachably mounted in the battery compartment.

[0015] In some embodiments, the battery compartment comprises a compartment body and a compartment cover body covering an opening of the compartment body, and the first battery pack is insertably mounted in the compartment body.

[0016] A multi-purpose garden tool, comprising: a wheel set comprising wheels rotatable about a wheel axis, for supporting the multi-purpose garden tool to walk on the ground; a first power device comprising at least a first motor; a plurality of working devices selectively detachably connected to the first power device and driven by the first motor to perform corresponding functions of the multi-purpose garden tool; a first battery pack supplying power to the first motor; in a vertical direction, the first battery pack is below an output shaft of the first motor.

[0017] A multi-purpose garden tool, comprising: a wheel set comprising wheels rotatable about a wheel axis, for supporting the multi-purpose garden tool to walk on the ground; a first power device comprising at least a first motor; a power supply device comprising at least one battery pack, for supplying power to the first motor; a plurality of working devices selectively detachably connected to the first power device and driven by the first motor to perform corresponding functions of the multi-purpose garden tool; in a front-rear direction, a center of gravity of the battery pack is located in front of the wheel axis.

[0018] A multi-purpose garden tool, comprising: a frame; a wheel set connected to the frame, comprising wheels rotatable about a wheel axis, for supporting the multi-purpose garden tool to walk on the ground; a first power device comprising at least a first motor; a plurality of working devices selectively detachably connected to the first power device and driven by the first motor to perform corresponding functions of the multi-purpose garden tool; a power supply device comprising at least one battery pack, for supplying power to the first motor; in a front-rear direction, a center of gravity of the multi-purpose garden tool is located in front of the wheel axis, and the first motor is located behind the wheel axis.

[0019] In some embodiments, in a front-rear direction, a center of gravity of the battery pack is located in front of the wheels.

[0020] In some embodiments, the working device includes a working head and a connecting pipe connected to the working head, the connecting pipe is detachably connected to the first power device, and the battery pack is located below the connecting pipe of the working device in the up-down direction.

[0021] In some embodiments, the center of gravity of the multi-purpose garden tool is located in front of the center of gravity of the battery pack.

[0022] In some embodiments, the battery pack is detachably connected to the rack.

[0023] In some embodiments, the power supply device includes a plurality of battery packs, and the plurality of battery packs supply power to the first motor.

[0024] In some embodiments, the multi-purpose garden tool further includes an operating device for the user to hold and control the operating state of the first motor.

[0025] In some embodiments, the operating device includes two extension rods, and the operating device is rotatably connected to the rack through the extension rods, so that the operating device has an operating storage position and an operating working position.

[0026] A multi-purpose garden tool includes: a wheel set including wheels rotatable about a wheel axis for supporting the multi-purpose garden tool to walk on the ground; a first power device including at least a first motor; a plurality of working devices selectively detachably connected to the first power device and driven by the first motor to perform corresponding functions of the multi-purpose garden tool; a power supply device including at least one battery pack for supplying power to the first motor; in the front-rear direction, the center of gravity of the multi-purpose garden tool is located in front of the center of gravity of the battery pack; and the total energy of the power supply device is greater than or equal to 150Wh and less than or equal to 900Wh.

[0027] A multi-purpose garden tool includes: a rack; a wheel set connected to the rack and including wheels rotatable about a wheel axis for supporting the multi-purpose garden tool to walk on the ground; a first power device including at least a first motor; a plurality of working devices selectively detachably connected to the first power device and driven by the first motor to perform corresponding functions of the multi-purpose garden tool; a power supply device including at least one battery pack for supplying power to the first motor; in the front-rear direction, the distance L1 between the center of gravity of the multi-purpose garden tool and the wheel axis is greater than or equal to 0mm and less than or equal to 300mm; and the maximum output power of the working device is greater than or equal to 300W and less than or equal to 5000W.

[0028] A multi-purpose garden tool system comprising a first multi-purpose garden tool and a second multi-purpose garden tool; the first multi-purpose garden tool comprising: a first accessory interface for attaching a working device; a first power device for driving the working device to work; the second multi-purpose garden tool comprising: a second accessory interface for attaching the working device; a second power device for driving the working device to work; the working device being detachably adaptable to at least one of the first accessory interface and the second accessory interface; at least one of the first multi-purpose garden tool and the second multi-purpose garden tool being a wheeled tool.

[0029] In some embodiments, at least one of the first multi-purpose garden tool or the second multi-purpose garden tool is a hand-held type tool.

[0030] In some embodiments, the first multi-purpose garden tool is adaptable to at least two of a plurality of working devices.

[0031] In some embodiments, the second multi-purpose garden tool is adaptable to at least two of a plurality of working devices.

[0032] In some embodiments, the plurality of working devices comprises one or more of the following working devices: a tiller head, a sweeping brush, a rubber brush, a grass cutting head, an edging head, and a snow shovel head.

[0033] In some embodiments, the first multi-purpose garden tool comprises a first battery pack for providing electric energy for the first power device, the energy range of the first battery pack being 150Wh-900Wh.

[0034] In some embodiments, the second multi-purpose garden tool comprises a second battery pack for providing electric energy for the second power device, the energy range of the second battery pack being 150Wh-900Wh.

[0035] In some embodiments, the maximum output power of the first multi-purpose garden tool ranges from 300W-5000W.

[0036] In some embodiments, the multi-purpose garden tool system comprises a detachable battery pack for providing electric energy for at least the first power device or the second power device.

[0037] In some embodiments, the battery pack is adaptable to at least one of the first multi-purpose garden tool and the second multi-purpose garden tool.

[0038] In some embodiments, the multi-purpose garden tool system comprises an extension pole through which the working device is connected to the first accessory interface or the second accessory interface.

[0039] In some embodiments, the power device of the wheeled tool in the first multi-purpose garden tool and the second multi-purpose garden tool at least comprises a motor, the wheeled tool further comprises a battery pack for supplying power to the motor; in the front-rear direction, the battery pack is located in front of the motor.

[0040] In some embodiments, the power device of the wheeled tool in the first multi-purpose garden tool and the second multi-purpose garden tool at least comprises a motor, the wheeled tool further comprises a battery pack for supplying power to the motor; in the up-down direction, the battery pack is located below the output shaft of the motor.

[0041] In some embodiments, the wheeled tool in the first multi-purpose garden tool and the second multi-purpose garden tool comprises a wheel set and a battery pack; the wheel set comprises a wheel rotatable about a wheel axis for supporting the wheeled tool to walk on the ground; the battery pack supplies power to the power device of the wheeled tool; in the front-rear direction, the center of gravity of the battery pack is located in front of the wheel axis.

[0042] In some embodiments, the power device of the wheeled tool in the first multi-purpose garden tool and the second multi-purpose garden tool comprises a motor; the wheeled tool further comprises a wheel set comprising a wheel rotatable about a wheel axis for supporting the wheeled tool to walk on the ground; in the front-rear direction, the center of gravity of the wheeled tool is located in front of the wheel axis, and the motor is located behind the wheel axis.

[0043] A working device suitable for a multi-purpose garden tool system, the multi-purpose garden tool system comprising a first multi-purpose garden tool and a second multi-purpose garden tool; the first multi-purpose garden tool comprising: a first accessory interface; a first power device at least comprising a first motor for outputting power; the second multi-purpose garden tool comprising: a second accessory interface; a second power device; at least comprising a second motor for outputting power; the working device suitable for the multi-purpose garden tool system comprising a connection port selectively detachably connected to the first accessory interface or the second accessory interface; at least one of the first multi-purpose garden tool and the second multi-purpose garden tool is a wheeled tool.

[0044] In some embodiments, the multi-purpose garden tool system further comprises a telescopic rod having an extended state and a contracted state; in the case that the first multi-purpose garden tool is a wheeled tool, the working device is connected to the first accessory interface of the first multi-purpose garden tool through the telescopic rod in the contracted state.

[0045] In some embodiments, in the case that the second multi-purpose garden tool is a handheld tool, the working device is connected to the second accessory interface of the second multi-purpose garden tool through the telescopic rod in the extended state.

[0046] A multi-purpose garden tool comprises: a frame; a wheel set connected to the frame, comprising wheels rotatable about wheel axes, for supporting the multi-purpose garden tool to walk on the ground; a first accessory interface for attaching a working device; a first power device comprising at least a first motor, for driving the working device to work; the working device is selectively connected to the first accessory interface or a second accessory interface of a second multi-purpose garden tool.

[0047] In some embodiments, the multi-purpose garden tool further comprises a first battery pack, the first battery pack supplies power to the first motor; in the front-rear direction, the first battery pack is located in front of the first motor.

[0048] A multi-purpose garden tool comprises: a wheel set comprising wheels rotatable about wheel axes, for supporting the multi-purpose garden tool to walk on the ground; a first power device comprising at least a first motor; a plurality of working devices selectively detachably connected to the first power device, configured to be driven by the first motor to perform corresponding functions of the multi-purpose garden tool; a first locking member and a second locking member for locking or releasing the working devices; the first power device can be removed when the first locking member and the second locking member are both in the released state.

[0049] In some embodiments, the working device comprises a working head and a connecting pipe connected to the working head; the first locking member and the second locking member act on the connecting pipe of the working device.

[0050] In some embodiments, the multi-purpose garden tool comprises a battery pack for providing electric energy to the first power device, the first locking member and the second locking member are both arranged above the battery pack.

[0051] In some embodiments, at least one of the first locking member and the second locking member is a quick clamp device.

[0052] In some embodiments, the multi-purpose garden tool further comprises a height adjustment device, the height adjustment device can at least adjust the wheel set to switch between a wheel working position and a wheel storage position; when the wheel set is in the wheel storage position, the wheels do not contact the ground.

[0053] In some embodiments, the height adjustment device comprises a locking member, the locking member can at least lock the wheel set in the wheel working position or the wheel storage position.

[0054] A multi-purpose garden tool comprises a frame, a wheel set connected to the frame and comprising a wheel rotatable about a wheel axis for supporting the multi-purpose garden tool to walk on the ground, a first power device comprising at least a first motor, a plurality of working devices selectively detachably connected to the first power device and arranged to be driven by the first motor to perform corresponding functions of the multi-purpose garden tool, and a power supply device comprising a controller and at least one battery pack for supplying power to the first motor, each working device comprising a working head, an identification element and a connecting pipe, the working head being connected to the first power device through the connecting pipe, the photoelectric parameters of the identification element having a one-to-one correspondence with the working devices, and the identification element being connected to the controller through an electronic circuit arranged in the connecting pipe.

[0055] In some embodiments, the controller obtains the photoelectric parameters of the identification element through the electronic circuit arranged in the connecting pipe to identify the type of the connected working device, and controls the working head to perform the corresponding function based on the control mode corresponding to the type of the working device.

[0056] In some embodiments, one or more of the rotation speed, acceleration and current of the first motor are different from each other under the control mode corresponding to different types of working devices.

[0057] In some embodiments, the first motor rotates at full speed in the mode one, rotates at medium speed in the mode two, and rotates at low speed in the mode three, wherein the full speed is greater than the medium speed, and the medium speed is greater than the low speed.

[0058] In some embodiments, the photoelectric parameters comprise one or more of the resistance value, capacitance value, magnetic field strength and wavelength, light color of the identification element.

[0059] In some embodiments, the identification element is a resistor element with different resistance values.

[0060] In some embodiments, each working device further comprises at least two locking members, i.e., a first locking member and a second locking member, for locking or releasing the connection relationship between the working device and the first power device, and the first power device can be taken out when the first locking member and the second locking member are both in the released state.

[0061] In some embodiments, the electronic circuit arranged in the connecting pipe is connected to the controller at a position adjacent to the first locking member and / or the second locking member when at least one of the first locking member and the second locking member is in the locked state.

[0062] In some embodiments, the controller is connected to the electronic circuit arranged in the connecting pipe at a position adjacent to the first locking member and / or the second locking member through an electronic circuit arranged in the frame.

[0063] In some embodiments, the electronic circuit connected with the identification element and the electronic circuit connected with the controller are connected through the pole piece at a position close to the first locking member and / or the second locking member.

[0064] A multi-purpose garden tool comprises: a first power device comprising at least a first motor; a plurality of working devices, each of which is detachably connected to the first power device and arranged to be driven by the first motor to perform a corresponding function of the multi-purpose garden tool; a power supply device comprising at least one battery pack to supply power to the first motor; each of the working devices comprises an access element, and the structure of the access element has a one-to-one correspondence with the working device; the first power device comprises an identification module, and the identification module comprises a sensing element whose electrical parameter changes when the access element accesses the first power device.

[0065] In some embodiments, the multi-purpose garden tool comprises a wheel set comprising a wheel rotatable about a wheel axis to support the multi-purpose garden tool to walk on the ground.

[0066] In some embodiments, the identification module identifies the type of the connected working device based on the electrical parameter of the sensing element, and controls the working device to perform the corresponding function based on the control mode corresponding to the type of the working device.

[0067] In some embodiments, the access element has a connecting part that interfaces with the sensing element when accessed, and the connecting part of the access element of each working device is different in structure in the circumferential direction and / or the axial direction.

[0068] In some embodiments, the sensing element is a variable resistor, and the resistance of the variable resistor is different when different access elements are accessed.

[0069] In some embodiments, the connecting part of the access element of each working device is provided with a magnetic element at different positions in the circumferential direction and / or the axial direction.

[0070] In some embodiments, the sensing element is a Hall element, and the electromagnetic parameter around the Hall element is different when different access elements are accessed.

[0071] In some embodiments, the first power device further comprises a setting module for setting the control mode corresponding to each working device.

[0072] In some embodiments, the first power device further comprises a communication module arranged to interact with a user device in a Bluetooth manner to obtain control parameters of the control mode corresponding to each working device.

[0073] The technical effects of the present application at least include: providing a multi-purpose garden tool with stable and compact structure, which can be a wheeled tool to significantly improve the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0074] Figure 1 is a structural schematic view of a multi-purpose garden tool in a first perspective according to an embodiment of the present application;

[0075] Figure 2 is a structural schematic view of a multi-purpose garden tool in a second perspective according to an embodiment of the present application, without work device;

[0076] Figure 3 is a structural schematic view of a multi-purpose garden tool in a third perspective according to an embodiment of the present application, without work device;

[0077] Figure 4 is a structural schematic view of a multi-purpose garden tool in a fourth perspective according to an embodiment of the present application; Figure 3 is an enlarged view of A in FIG. 16;

[0078] Figure 5 is an enlarged view of B in FIG. 16; Figure 3

[0079] Figure 6 is a structural schematic view of a multi-purpose garden tool in a fifth perspective according to an embodiment of the present application, without work device;

[0080] Figure 7 is a structural schematic view of a multi-purpose garden tool according to an embodiment of the present application;

[0081] Figure 8 is a structural schematic view of a work device according to an embodiment of the present application;

[0082] Figure 9

[0083] Figure 10 is a structural schematic view of a multi-purpose garden tool according to an embodiment of the present application, with wheel set in a first position;

[0084] Figure 11 is a structural schematic view of a multi-purpose garden tool according to an embodiment of the present application, with wheel set in a second position;

[0085] Figure 12 is a structural schematic view of a multi-purpose garden tool according to an embodiment of the present application, with wheel set in a third position;

[0086] Figure 13 is a structural schematic view of a multi-purpose garden tool according to an embodiment of the present application, with work head as a brush;

[0087] Figure 14 is a structural schematic view of a hand-held tool according to an embodiment of the present application.

[0088] BRIEF DESCRIPTION OF DRAWINGS

[0089] ​​G1, center of gravity of the multi-purpose garden tool; G2, center of gravity of the first battery pack; L1, distance between the center of gravity of the multi-purpose garden tool and the wheel axis;

[0090] 100, frame; 110, operating device; 111, electronic switch; 112, speed regulating knob; 113, control handle; 114, unlocking button; 115, extension rod; 116, fixing screw; 117, fixing nut; 120, first locking member; 121, sleeve; 1211, gap; 122, first screw; 130, second locking member; 131, fixing seat; 132, pressing plate; 133, second screw; 140, height adjusting device; 141, support rod; 142, transmission rod; 143, adjusting rod; 1431, adjusting pin; 144, locking member; 145, locking plate; 1451, locking hole; 160, handgrip; 200, working device; 210, working head; 220, connecting pipe; 300, first power device; 310, first motor; 400, battery compartment; 410, compartment body; 420, compartment cover; 500, wheel set; 510, wheel support; 520, wheel. DETAILED DESCRIPTION

[0091] Before any embodiments of the application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the above-described accompanying drawings.

[0092] In this application, the terms "including", "containing", "having" or any other similar words are intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or further includes elements inherent in such a process, method, article or device. Without more limitations, the element defined by the phrase "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0093] In this application, the term "and / or", is a description of the association relationship between the associated objects, which means that there can be three kinds of relationships. For example, A and / or B, can represent: A exists alone, A and B exist together, B exists alone, these three cases. In addition, the character " / " in this application generally represents that the front and rear associated objects are in a "and / or" relationship.

[0094] In this application, the terms "connected", "coupled", "engage", "engagement", "mounting" can be direct connection, coupling or mounting, or indirect connection, coupling or mounting through an intermediate part. For example, direct connection refers to two parts or components connected together without an intermediate part, and indirect connection refers to two parts or components connected to at least one intermediate part, and the two parts or components are connected through the intermediate part. In addition, "connection" and "coupling" are not limited to physical or mechanical connection or coupling, and can include electrical connection or coupling.

[0095] In this application, those of ordinary skill in the art will understand that the relative terms used in connection with quantities or conditions (for example, "about", "approximately", "substantially" and the like) include the values described and have the meaning indicated by the context. For example, the relative terms at least include the degree of error related to the measurement of a specific value, the tolerance caused by manufacturing, assembly, use, etc. related to a specific value. Such terms should also be considered to disclose the range defined by the absolute values of the two endpoints. The relative terms can refer to the indicated value plus or minus a certain percentage (for example, 1%, 5%, 10% or more). The numerical value without the relative term should also be disclosed as a specific value with a tolerance. In addition, "substantially" when expressing the relative angular positional relationship (for example, substantially parallel, substantially perpendicular), can refer to plus or minus a certain degree (for example, 1 degree, 5 degrees, 10 degrees or more) based on the indicated angle.

[0096] In this application, those of ordinary skill in the art will understand that the functions performed by the components can be performed by one component, multiple components, one part, or multiple parts. Similarly, the functions performed by the parts can also be performed by one part, one component, or multiple parts in combination.

[0097] In this application, the terms "up", "down", "left", "right", "front", "back" and the like are described in the orientation and positional relationship shown in the drawings, and should not be understood as limiting the embodiments of the application. In addition, it should also be understood in the context that when referring to one element connected to another element "up" or "down", it can not only be directly connected to another element "up" or "down", but also indirectly connected to another element "up" or "down" through an intermediate element. It should also be understood that the terms "up", "down", "left", "right", "front", "back" and the like not only represent the positive direction, but also can be understood as the side direction. For example, the lower side can include the lower side, the lower left side, the lower right side, the lower front side and the lower back side, etc.

[0098] In the present application, the terms "controller", "processor", "central processing unit", "CPU", "MCU" are interchangeable. When a unit "controller", "processor", "central processing unit", "CPU", or "MCU" is used to perform a specific function, unless otherwise specified, these functions can be performed by a single aforementioned unit or multiple aforementioned units.

[0099] In the present application, the terms "device", "module" or "unit" can be realized in the form of hardware or software in order to achieve a specific function.

[0100] In the present application, the terms "calculate", "determine", "control", "confirm", "identify" and the like refer to the operations and processes of a computer system or similar electronic computing device (e.g., controller, processor, etc.).

[0101] Reference Figures 1 to 14 The embodiment provides a multi-purpose garden tool system, comprising a first multi-purpose garden tool and a second multi-purpose garden tool; the first multi-purpose garden tool comprises a first accessory interface and a first power device 300, wherein the first accessory interface is used for attaching a working device 200; the first power device 300 is used for driving the working device 200 to work; the second multi-purpose garden tool comprises a second accessory interface and a second power device, wherein the second accessory interface is used for attaching the working device 200; the second power device is used for driving the working device 200 to work; the working device 200 can be detachably adapted to at least one of the first accessory interface and the second accessory interface, and at least one of the first multi-purpose garden tool and the second multi-purpose garden tool is a wheeled tool. Wherein the first power device 300 and the second power device can be the same or different.

[0102] The above arrangement realizes the applicability of the working device 200 on different types of garden tools, especially the switching between handheld and wheeled tools, by detachably assembling the plurality of working devices 200 to the first accessory interface of the first multi-purpose garden tool or the second accessory interface of the second multi-purpose garden tool, that is, at least part of the plurality of working devices 200 can be assembled to the first accessory interface to work with the first multi-purpose garden tool, and can also be assembled to the second accessory interface to work with the second multi-purpose garden tool. The plurality of working devices 200 in the same system can present a state of handheld tool and a state of wheeled tool, greatly making up for the situation that the working scenes are isolated in the related art, being able to flexibly cope with different working condition requirements, while taking into account the working flexibility, also being able to improve the working efficiency and reduce the working strength.

[0103] In the above embodiment, as Figure 13As shown, at least one of the first multi-purpose garden tool and the second multi-purpose garden tool is a wheeled tool. The wheeled tool can perform tasks such as cleaning, cutting, etc. while traveling, either manually or in a self-driven manner, and is more suitable for scenarios where the workload is heavy or the working device is heavy.

[0104] In some embodiments, at least one of the first multi-purpose garden tool and the second multi-purpose garden tool is a handheld tool. The handheld tool is easy to operate and flexible, and is suitable for scenarios where the area is small or aerial work is required. Aerial work refers to a working scenario where the working position is higher than the ground.

[0105] The above arrangement enables the multi-purpose garden tool system including the first multi-purpose garden tool and the second multi-purpose garden tool to meet various working scenarios, flexibly cope with different working condition requirements, improve working efficiency, and reduce working intensity while taking into account working flexibility.

[0106] When the second multi-purpose garden tool is a handheld tool, as shown in Figure 14 As shown, the second multi-purpose garden tool further includes a handle 160, one end of the handle 160 is connected to the working device 200, and the second power device is arranged at the other end of the handle 160. The power supply device is arranged on the handle 160. The power supply device includes a battery pack placed in a battery compartment 400.

[0107] In some embodiments, the first multi-purpose garden tool can be adapted to at least two of the plurality of working devices 200. The above arrangement enables the first multi-purpose garden tool to handle multiple works, and only one first power device 300 is required, which to some extent saves the space occupied by the first multi-purpose garden tool and reduces the cost. Accordingly, the second multi-purpose garden tool can be adapted to at least two of the plurality of working devices 200. Some working devices 200 are adapted to both the first multi-purpose garden tool and the second multi-purpose garden tool.

[0108] Regarding the working device 200, in some embodiments, the plurality of working devices 200 includes one or more of the following working devices 200: a soil turning head, a sweeping brush, a rubber brush, a grass cutting head, an edging head, and a snow shovel head. In other embodiments, the working device 200 can also be arranged in other structures according to actual working requirements, and is not limited to the above structures. As shown in Figure 1 As shown, the first multi-purpose garden tool is a wheeled tool, and the working device 200 assembled is a soil turning head; as shown in Figure 13 As shown, the first multi-purpose garden tool is a wheeled tool, and the working device 200 assembled is a sweeping brush; as shown in Figure 14 As shown, the second multi-purpose garden tool is a handheld tool, and the working device 200 assembled is a soil turning head.

[0109] To improve work efficiency, in some embodiments, the first multi-purpose garden tool comprises a first battery pack for providing electric energy for the first power device 300, and the energy range of the first battery pack is 150-900 Wh. Optionally, the energy range of the first battery pack is 150-650 Wh. In some embodiments, the energy of the first battery pack is 300 Wh, 350 Wh, 360 Wh, 370 Wh, 380 Wh, 390 Wh, 400 Wh, 450 Wh, or 490 Wh.

[0110] In some embodiments, the second multi-purpose garden tool comprises a second battery pack for providing electric energy for the second power device, and the energy range of the second battery pack is 150-900 Wh. Optionally, the energy range of the second battery pack is 150-650 Wh. In some embodiments, the energy of the first battery pack is 300 Wh, 350 Wh, 360 Wh, 370 Wh, 380 Wh, 390 Wh, 400 Wh, 450 Wh, or 490 Wh.

[0111] The maximum output power of the first multi-purpose garden tool ranges from 300 W to 5000 W. Optionally, the maximum output power of the first multi-purpose garden tool ranges from 300 W to 3500 W. Optionally, the maximum output power of the first multi-purpose garden tool ranges from 300 W to 2500 W. Optionally, the maximum output power of the first multi-purpose garden tool ranges from 300 W to 1800 W. The above settings can adapt to different working environments. Where the working area is small and the work efficiency requirement is low, a lower maximum output power can be selected, such as 350 W, 400 W, or 500 W. Where the working area is large and the work efficiency requirement is high, a higher maximum output power can be selected, such as 1200 W, 1800 W, 2000 W, 2500 W, 3500 W, or 4500 W. Moreover, when the type of the assembled working device 200 is different, the maximum output power of the first multi-purpose garden tool also changes accordingly to adapt to the structure of the working device 200 and the requirements of the corresponding working conditions. Correspondingly, the maximum output power of the second multi-purpose garden tool ranges from 300 W to 5000 W. Optionally, the maximum output power of the second multi-purpose garden tool ranges from 300 W to 3500 W. Optionally, the maximum output power of the second multi-purpose garden tool ranges from 300 W to 2500 W. Optionally, the maximum output power of the second multi-purpose garden tool ranges from 300 W to 5000 W. The selection of the maximum output power of the second multi-purpose garden tool is referred to the above content.

[0112] In some embodiments, to improve the degree of automation and ease of use, the multi-purpose garden tool system includes a detachable battery pack, which is used to provide power for at least the first power device 300. Alternatively, the battery pack is used to provide power for at least the second power device of the second multi-purpose garden tool. In some embodiments, the first multi-purpose garden tool and the second multi-purpose garden tool are detachably connected with the battery pack, respectively. The battery pack installed on the first multi-purpose garden tool and the second multi-purpose garden tool can be the same or different. The detachable battery pack is convenient to replace and reduces the subsequent maintenance cost. In some embodiments, either the first multi-purpose garden tool or the second multi-purpose garden tool can also be powered without using the battery pack.

[0113] In some embodiments, the battery pack is adapted to at least one of the first multi-purpose garden tool and the second multi-purpose garden tool. In some embodiments, the same battery pack is adapted to the first multi-purpose garden tool equipped with each type of working device 200. In other embodiments, the same battery pack is adapted to the first multi-purpose garden tool equipped with part of the types of working device 200, and other battery packs are adapted to the first multi-purpose garden tool equipped with other types of working device 200. Accordingly, in yet other embodiments, the same battery pack is also adapted to the second multi-purpose garden tool equipped with each type or part of the types of working device 200. In still other embodiments, the same battery pack is adapted to both the first multi-purpose garden tool and the second multi-purpose garden tool.

[0114] In some embodiments, the multi-purpose garden tool system includes an extension rod, and the working device 200 is connected to the first accessory interface or the second accessory interface through the extension rod. The length of the extension rod can be adjusted to adapt to the installation requirements of different multi-purpose garden tools, adapt to different working conditions, and stabilize the center of gravity.

[0115] The embodiments also provide a working device adapted to a multi-purpose garden tool system, the multi-purpose garden tool system including a first multi-purpose garden tool and a second multi-purpose garden tool; the first multi-purpose garden tool including a first accessory interface and a first power device 300, wherein the first power device 300 at least includes a first motor 310 for outputting power; the second multi-purpose garden tool including a second accessory interface and a second power device; the second power device at least including a second motor for outputting power; the working device adapted to the multi-purpose garden tool system including a connection port detachably adapted to the first accessory interface or the second accessory interface; at least one of the first multi-purpose garden tool or the second multi-purpose garden tool is a wheel-type tool.

[0116] The above arrangement realizes the applicability of the working device 200 on different types of garden tools, especially the switching between handheld and wheeled tools, by detachably assembling the plurality of working devices 200 to the first accessory interface of the first multipurpose garden tool or the second accessory interface of the second multipurpose garden tool. The plurality of working devices 200 in the same system can present the state of handheld tools and the state of wheeled tools. This greatly makes up for the situation that the working scenarios are isolated in the related art, so that the working device 200 can flexibly cope with different working condition requirements, while taking into account the working flexibility, it can also improve the working efficiency and reduce the working strength.

[0117] In some embodiments, the multipurpose garden tool system further comprises a telescopic rod having an extended state and a contracted state; in the case that the first multipurpose garden tool is a wheeled tool, the working device 200 can be connected to the first accessory interface of the first multipurpose garden tool through the telescopic rod in the contracted state.

[0118] In the case that the second multipurpose garden tool is a handheld tool, the working device 200 can be connected to the second accessory interface of the second multipurpose garden tool through the telescopic rod in the extended state. The length of the telescopic rod in the contracted state is less than the length of the telescopic rod in the extended state. The spacing requirements of the working device 200 to the tool accessory interface are different when the working device 200 is installed to the wheeled tool and the handheld tool. Some handheld tools require the above spacing to be relatively long, and some wheeled tools require the above spacing to be relatively short. The connection through the telescopic rod can effectively solve the above problems in the present multipurpose garden tool system.

[0119] In some embodiments, the telescopic rod comprises an outer sleeve and an inner rod, the inner rod is arranged in the outer sleeve and can move axially relative to the outer sleeve. The inner rod and the outer sleeve are screwed. The locking member is used to lock the inner rod and the outer sleeve. Specifically, the locking member is a locking screw, which passes through the screw hole of the outer sleeve and abuts against the inner rod. The telescopic structure of the telescopic rod can adopt the implementation manner in the related art, and the specific structure can be reasonably arranged according to the actual situation, and is not specifically limited.

[0120] The embodiment also provides a multi-purpose garden tool, including a wheel set 500, a first power device 300, a plurality of working devices 200 and a first battery pack, wherein the wheel set 500 includes wheels 520 rotatable about wheel axes, for supporting the multi-purpose garden tool to walk on the ground; the first power device 300 at least includes a first motor 310; the plurality of working devices 200 are alternatively detachably connected to the first power device 300, and are driven by the first motor 310 to perform corresponding functions of the multi-purpose garden tool; and the first battery pack supplies power to the first motor 310. In the front-rear direction, the first battery pack can be located in front of the first motor 310; and / or in the up-down direction, the first battery pack can be located below an output shaft of the first motor 310. The wheel set 500 further includes a wheel support 510, and the two wheels 520 are spaced apart in the left-right direction and are both rotatably arranged on the wheel support 510.

[0121] As shown in Figure 6 The above arrangement realizes that the working devices 200 are applicable to different application scenarios by alternatively detachably assembling the plurality of working devices 200 to the first power device 300 of the multi-purpose garden tool, makes up for the situation that the working scenarios are isolated in the related art, so that the working devices 200 can flexibly cope with different working condition requirements, while taking into account the working flexibility, the working efficiency can also be improved, and the working strength can be reduced. In the front-rear direction, the first battery pack is located in front of the first motor 310, and in the up-down direction, the first battery pack is located below the output shaft of the first motor 310, which can make the distribution and arrangement of the working devices, the first battery pack and the first power device 300 in the multi-purpose garden tool more conducive to stabilizing the center of gravity.

[0122] In the front-rear direction, the center of gravity G2 of the first battery pack can be located in front of the wheels 520, and in the up-down direction, the center of gravity G2 of the first battery pack can also be located above the wheels 520. Arranging the center of gravity G2 of the first battery pack above the wheels 520 helps to improve the installation position of the first battery pack, avoids the risk of the first battery pack touching the ground during the working process of the multi-purpose garden tool, and thus improves the safety of the first battery pack during use.

[0123] In some embodiments, in the front-rear direction, the first motor 310 is located behind the wheels 520. The above arrangement helps to reasonably weight the multi-purpose garden tool, and improves the convenience of lifting the working devices 200 in front of the wheels 520 away from the ground.

[0124] The working device 200 comprises a working head 210 and a connecting pipe 220 connected to the working head 210, the connecting pipe 220 is detachably connected to the first power device 300, and the first battery pack is at least partially arranged between the working head 210 and the wheel 520 in the front-rear direction. The above arrangement improves the convenience of connection between the working device 200 and the first power device 300. The position of the first battery pack helps to control the position of the center of gravity G1 of the multi-purpose garden tool, thereby saving labor during use.

[0125] In some embodiments, the first battery pack is located below the connecting pipe 220 of the working device 200. The above arrangement helps to lower the center of gravity G2 of the first battery pack and improve the stability of the multi-purpose garden tool.

[0126] In the front-rear direction, the center of gravity G1 of the multi-purpose garden tool is located between the working head 210 of the working device 200 and the wheel 520. The above arrangement enables stable and non-falling without hand support on the premise that the working device 200 and the wheel 520 touch the ground.

[0127] Further, the distance between the center of gravity G1 of the multi-purpose garden tool and the first battery pack is less than the distance between the first battery pack and the wheel 520.

[0128] In some embodiments, the multi-purpose garden tool further comprises a second battery pack, the second battery pack is detachably mounted to the multi-purpose garden tool; the second battery pack is used to supply power to the first motor 310. In addition, the second battery pack can also supply power to other electric tools after being detached.

[0129] The first battery pack and the second battery pack are arranged side by side. In some embodiments, the first battery pack and the second battery pack are connected in parallel or in series to supply power to the first motor 310. It should be noted that the first battery pack and the second battery pack are independent battery packs rather than battery cells in the battery pack.

[0130] Regarding the energy of the first battery pack, in some embodiments, the energy of the first battery pack ranges from 150Wh to 900Wh. Alternatively, the energy of the first battery pack ranges from 150Wh to 650Wh. Specifically, the energy of the first battery pack can be 160Wh, 170Wh, 180Wh, 190Wh, 200Wh, 300Wh, 500Wh, or 800Wh.

[0131] In order to improve the safety of the first battery pack, the multi-purpose garden tool comprises a battery compartment 400, and the first battery pack is detachably mounted in the battery compartment 400.

[0132] In some embodiments, the battery compartment 400 comprises a compartment body 410 and a compartment cover 420 covering the opening of the compartment body 410, and the first battery pack can be inserted into the compartment body 410.

[0133] The opening of the bin body 410 is upwardly inclined, and the first battery pack can be inserted into the bin body 410 in a downwardly inclined direction. The above arrangement enables the first battery pack to be carried in the bin body 410 and facilitates taking and placing.

[0134] In some embodiments, a multipurpose garden tool is also provided, comprising a wheel set 500, a first power device 300, a power supply device, and a plurality of working devices 200. The wheel set 500 comprises a wheel 520 rotatable about a wheel axis, for supporting the multipurpose garden tool to walk on the ground. The first power device 300 comprises at least a first motor 310. The power supply device comprises at least one battery pack, for supplying power to the first motor 310. The multipurpose garden tool further comprises a plurality of working devices 200, which are alternatively detachably connected to the first power device 300 and driven by the first motor 310 to perform corresponding functions of the multipurpose garden tool. In the front-rear direction, the center of gravity G2 of the battery pack is located on the front side of the wheel axis.

[0135] As shown in Figure 6 The above arrangement enables the working devices 200 to be alternatively detachably assembled to the first power device 300 of the multipurpose garden tool, so that the working devices 200 can be applied to different application scenarios, making up for the situation that the working scenarios are isolated in the related art, so that the working devices 200 can flexibly cope with different working condition requirements, while taking into account the working flexibility, the working efficiency can also be improved, and the working strength can be reduced. In the front-rear direction, the center of gravity G2 of the battery pack is located on the front side of the wheel axis, so that the distribution and arrangement of the wheel set, the working devices, the first battery pack, and the first power device 300 in the multipurpose garden tool are more conducive to user control.

[0136] In some embodiments, a multipurpose garden tool is also provided, comprising a wheel set 500, a first power device 300, a power supply device, and a plurality of working devices 200. The wheel set 500 comprises a wheel 520 rotatable about a wheel axis, for supporting the multipurpose garden tool to walk on the ground. The first power device 300 comprises at least a first motor 310. The power supply device comprises at least one battery pack, for supplying power to the first motor 310. The multipurpose garden tool further comprises a plurality of working devices 200, which are alternatively detachably connected to the first power device 300 and driven by the first motor 310 to perform corresponding functions of the multipurpose garden tool. In the front-rear direction, the center of gravity G2 of the battery pack is located on the front side of the wheel axis.

[0137] The above configuration, by selectively and detachably assembling multiple working devices 200 to the first power unit 300 of the multi-purpose garden tool, enables the working devices 200 to be applicable to different application scenarios. This overcomes the isolation of working scenarios in related technologies, allowing the working devices 200 to flexibly respond to different working conditions. While maintaining work flexibility, it also improves work efficiency and reduces work intensity. In the front-rear direction, the arrangement of the battery pack's center of gravity G2 located in front of the wheel 520 helps to adjust the position of the overall machine's center of gravity G1.

[0138] The working device 200 includes a working head 210 and a connecting pipe 220 connected to the working head 210. The connecting pipe 220 is detachably connected to the first power unit 300. In the vertical direction, the battery pack is located below the connecting pipe 220 of the working device 200. This arrangement helps to lower the center of gravity G2 of the battery pack and improve the stability of the multi-purpose garden tool.

[0139] The center of gravity G1 of the multi-purpose garden tool is located in front of the center of gravity G2 of the battery pack. This arrangement ensures that even when the battery pack is removed, the multi-purpose garden tool remains stable under the support of the working device 200 and the wheels 520, thereby improving the stability of the multi-purpose garden tool and the convenience of battery pack replacement.

[0140] In some embodiments, the battery pack is detachably connected to the rack 100. This configuration improves ease of later maintenance and helps reduce maintenance costs.

[0141] The power supply unit includes multiple battery packs that supply power to the first motor 310. The battery packs may be of the same or different models.

[0142] like Figure 2 As shown, in some embodiments, the multi-purpose garden tool also includes an operating device 110, which is provided for user support and for the user to control the operating status of the first motor 310. The operating device 110 facilitates control of the operating status of the multi-purpose garden tool. The operating device 110 includes an electronic switch 111, a speed control knob 112, a control handle 113, and an unlock button 114. The electronic switch 111 and the speed control knob 112 can switch the mode of the first power unit 300 and adjust the speed of the first motor 310. The control handle 113 and the unlock button 114 are used to start the multi-purpose garden tool; specifically, the unlock button 114 can be pressed first, followed by pushing the control handle 113.

[0143] The operating device 110 comprises two extension rods 115, and the operating device 110 is rotatably connected to the rack 100 through the extension rods 115, so that the operating device 110 has an operating storage position and an operating working position. The above arrangement makes the multi-purpose garden tool convenient to store and reduces the occupied space when the operating device 110 is in the storage position. The rack 100 is provided with mounting holes, and the two extension rods 115 are clamped on the left and right sides of the rack 100. The extension rod 115 is provided with a fixing hole, and the fixing screw 116 passes through the fixing hole and the mounting hole and is screwed with the fixing nut 117, so as to clamp the two extension rods 115 on the left and right sides of the rack 100.

[0144] The embodiment also provides a multi-purpose garden tool, which comprises a wheel set 500, a first power device 300, a power supply device and a plurality of working devices 200. The wheel set 500 comprises a wheel 520 rotatable about a wheel axis, and the wheel 520 is used to support the multi-purpose garden tool to walk on the ground. The first power device 300 at least comprises a first motor 310. The plurality of working devices 200 are selectively detachably connected to the first power device 300 and are driven by the first motor 310 to perform corresponding functions of the multi-purpose garden tool. The power supply device comprises at least one battery pack to supply power to the first motor 310. In the front-rear direction, the center of gravity G1 of the multi-purpose garden tool is located in front of the center of gravity G2 of the battery pack. The total energy of the power supply device is greater than or equal to 150Wh and less than or equal to 900Wh.

[0145] As shown in Figure 6 The above arrangement realizes that the working devices 200 are applicable to different application scenarios by selectively detachably assembling the plurality of working devices 200 to the first power device 300 of the multi-purpose garden tool, makes up for the situation that the working scenarios are isolated in the related art, so that the working devices 200 can flexibly cope with different working condition requirements, while taking into account the working flexibility, the working efficiency and the working strength are also improved. The arrangement that the center of gravity G1 of the multi-purpose garden tool is located in front of the center of gravity G2 of the battery pack makes the multi-purpose garden tool stable under the support of the working devices 200 and the wheel 520 even if the battery pack is removed, thereby improving the stability of the multi-purpose garden tool and the convenience of replacing the battery pack. The range of the energy of the power supply device provides a variety of choices to adapt to different application scenarios.

[0146] The embodiment also provides a multipurpose garden tool, which comprises a frame 100, a wheel set 500, a first power device 300 and a plurality of working devices 200, the wheel set 500 is connected to the frame 100, the wheel set 500 comprises a wheel 520 rotatable about a wheel axis, and the wheel 520 is used to support the multipurpose garden tool to walk on the ground; the first power device 300 at least comprises a first motor 310; the plurality of working devices 200 are alternatively detachably connected to the first power device 300 and are driven by the first motor 310 to perform corresponding functions of the multipurpose garden tool.

[0147] The multipurpose garden tool further comprises a power supply device, the power supply device comprises at least one battery pack to supply power to the first motor 310; in the front-rear direction, a distance L1 between a center of gravity G1 of the multipurpose garden tool and the wheel axis is greater than or equal to 0 mm and less than or equal to 300 mm; and a maximum output power of the working device 200 is greater than or equal to 300 W and less than or equal to 5000 W.

[0148] The above arrangement realizes that the working devices 200 are applicable to different application scenarios by alternatively detachably assembling the working devices 200 to the first power device 300 of the multipurpose garden tool, makes up for the situation that the working scenarios are isolated in the related art, so that the working devices 200 can flexibly cope with different working condition requirements, while the working flexibility is taken into account, the working efficiency is also improved, and the working strength is reduced. The center of gravity G1 of the multipurpose garden tool is arranged to help to reduce the difficulty of lifting the working devices 200 away from the ground as much as possible. The limitation of the maximum output power of the working devices 200 provides a plurality of choices for the user to adapt to different application scenarios.

[0149] The embodiment also provides a multipurpose garden tool, which comprises a wheel set 500, a first power device 300 and a plurality of working devices 200, wherein the wheel set 500 comprises a wheel 520 rotatable about a wheel axis, and the wheel 520 is used to support the multipurpose garden tool to walk on the ground; the first power device 300 at least comprises a first motor 310; the plurality of working devices 200 are alternatively detachably connected to the first power device 300 and are configured to be driven by the first motor 310 to perform corresponding functions of the multipurpose garden tool; the multipurpose garden tool further comprises a first locking piece 120 and a second locking piece 130 for locking or releasing the working devices 200; and the first power device 300 can be taken out when the first locking piece 120 and the second locking piece 130 are both in a released state.

[0150] The above arrangement realizes that the working device 200 is applicable to different application scenarios by detachably assembling the plurality of working devices 200 to the first power device 300 of the multipurpose garden tool, makes up for the situation that the working scenarios are isolated in the related art, enables the working device 200 to flexibly cope with different working condition requirements, while taking into account the working flexibility, also improves the working efficiency and reduces the working strength. The arrangement of the first locking member 120 and the second locking member 130 helps to improve the connection convenience of the first power device 300 and the working device 200. The arrangement of the first locking member 120 and the second locking member 130 improves the convenience of disassembling the first power device 300.

[0151] As shown in Figure 4 , Figure 5 The working device 200 includes a working head 210 and a connecting pipe 220 connected with the working head 210, and the first locking member 120 and the second locking member 130 act on the connecting pipe 220 of the working device 200. Among them, the structures of the connecting pipes 220 of different working devices 200 are the same. The above arrangement enables the first locking member 120 and the second locking member 130 to be used by different working devices 200.

[0152] In some embodiments, the multipurpose garden tool includes a battery pack to provide electric energy to the first power device 300, and the first locking member 120 and the second locking member 130 are both arranged above the battery pack. The arrangement of the battery pack improves the degree of automation and use convenience of the multipurpose garden tool. The position arrangement of the battery pack and the two locking members helps to improve the convenience of installing the battery pack.

[0153] Specifically, at least one of the first locking member 120 and the second locking member 130 is a quick clamp device. Among them, the first locking member 120 and the second locking member 130 are both quick clamp devices. The first locking member 120 includes a sleeve 121 provided with a gap 1211, wherein the sleeve 121 is provided with a through hole on one side of the gap 1211 and a locking screw hole on the other side, and a first screw 122 passes through the through hole and is screwed into the locking screw hole. The first screw 122 can contract the gap 1211 of the sleeve 121 to tightly wrap the connecting pipe 220.

[0154] The second locking member 130 includes a fixed seat 131 and a pressing plate 132, one side of the pressing plate 132 is hinged to the fixed seat 131 and can rotate between an open position and a locking position, and the pressing plate 132 located in the locking position can press the connecting pipe 220 between the fixed seat 131 and the pressing plate 132. The fixed seat 131 is provided with a fixed screw hole, the other side of the pressing plate 132 is provided with a through hole, and when the pressing plate 132 is located in the locking position, a second screw 133 passes through the through hole and is screwed into the fixed screw hole to fix the pressing plate 132 to the fixed seat 131, thereby pressing the connecting pipe 220.

[0155] In some embodiments, the multi-purpose garden tool further comprises a height adjusting device 140, which is capable of at least adjusting the switching of the wheel set 500 between the wheel working position and the wheel storage position; when the wheel set 500 is in the wheel storage position, the wheels 520 do not contact the ground. The above arrangement helps to reduce the footprint of the multi-purpose garden tool when it is stored.

[0156] Specifically, the height adjusting device 140 comprises a support rod 141, one end of the support rod 141 is hinged to the frame 100 of the multi-purpose garden tool, and the other end of the support rod 141 is hinged to the wheel set 500, and the support rod 141 drives the wheel set 500 to switch between the wheel working position and the wheel storage position by swinging. Wherein, the support rod 141 is connected to the wheel support 510 of the wheel set 500.

[0157] The height adjusting device 140 further comprises a transmission rod 142 and an adjusting rod 143, the middle part of the support rod 141 is provided with a transmission part, one end of the transmission rod 142 is hinged to the transmission part, the middle part of the adjusting rod 143 is provided with an adjusting part, the adjusting rod 143 is hinged to the frame 100 at the adjusting part, and the other end of the adjusting rod 143 is hinged to the other end of the transmission rod 142. The other end of the adjusting rod 143 is actuated to rotate the adjusting rod 143, and the support rod 141 is swung through the transmission rod 142. The above arrangement can adjust the switching of the wheel set 500 between the wheel working position and the wheel storage position.

[0158] In order to ensure the position reliability of the wheel set 500, in some embodiments, the height adjusting device 140 comprises a locking piece 144, which can at least lock the wheel set 500 in the wheel working position or the wheel storage position. Specifically, the frame 100 is provided with a locking plate 145, the locking plate 145 is provided with a plurality of locking holes 1451, the locking piece 144 is a pin, the adjusting rod 143 is provided with an adjusting hole, and the locking piece 144 can be inserted into the adjusting hole and selectively inserted into the plurality of locking holes 1451. In an embodiment, the adjusting part is provided with an adjusting hole, and the adjusting pin 1431 is arranged in the adjusting hole and the frame 100, so that the adjusting rod 143 is hinged to the frame 100, and the locking hole 1451 is arranged around the outer periphery of the adjusting pin 1431. Wherein, the locking hole 1451 is provided with three. Corresponding to the three positions of the wheel set 500 relative to the frame 100. Specifically, the wheel set 500 has a wheel working position, an intermediate position and a wheel storage position, wherein the intermediate position is located between the wheel working position and the wheel storage position, and the height of the multi-purpose garden tool when the wheel set 500 is in the wheel working position is higher than the height of the multi-purpose garden tool when the wheel set 500 is in the intermediate position, and the height of the multi-purpose garden tool when the wheel set 500 is in the intermediate position is higher than the height of the multi-purpose garden tool when the wheel set 500 is in the wheel storage position. The above arrangement can meet the use requirements of users of different heights.

[0159] The plurality of working devices 200 includes one or more of the following working devices 200: a tiller head, a sweeper brush, a rubber brush, a grass trimmer head, an edger head, and a snow shovel head.

[0160] The embodiment also provides a multi-purpose garden tool, including a frame 100, a wheel set 500, and a first power device 300, wherein the wheel set 500 is connected to the frame 100, the wheel set 500 includes a wheel 520 rotatable about a wheel axis, the wheel 520 is used to support the multi-purpose garden tool to walk on the ground; the first power device 300 at least includes a first motor 310; a plurality of working devices 200 are alternatively detachably connected to the first power device 300, and are configured to be driven by the first motor 310 to perform corresponding functions of the multi-purpose garden tool; the multi-purpose garden tool further includes a power supply device, the power supply device includes a controller and at least one battery pack to supply power to the first motor 310; each working device 200 includes a working head 210, an identification element, and a connecting pipe 220, the working head 210 is connected to the first power device 300 through the connecting pipe 220; the photoelectric parameters of the identification element have a one-to-one correspondence with the working device 200, and the identification element is connected to the controller through an electronic circuit arranged in the connecting pipe 220.

[0161] In the above embodiment, the data transmission between the controller of the power supply device and the identification element of the working device 200 is performed through the electronic circuit arranged in the connecting pipe 220. In some embodiments, the identification element is arranged in a fixed position of the working device 200, and two wires can be drawn to pass through the connecting pipe 220, and the controller can also draw two wires to dock to obtain the above data.

[0162] The above arrangement realizes that the working device 200 is applicable to different application scenarios by alternatively detachably assembling the plurality of working devices 200 to the first power device 300 of the multi-purpose garden tool, makes up for the situation that the working scenarios are isolated in the related art, so that the working device 200 can flexibly cope with different working condition requirements, while the working flexibility is taken into account, the working efficiency is also improved, and the working strength is reduced. The arrangement of the identification element enables the controller to determine the type of the working device 200, and to drive the working device 200 in a corresponding manner to correctly perform the corresponding functions of the multi-purpose garden tool.

[0163] The controller obtains the photoelectric parameters of the identification element through the electronic circuit in the connecting pipe 220 to identify the type of the connected working device 200, so as to control the working head 210 to perform corresponding functions based on the control mode corresponding to the type of the working device 200. The controller in the power supply device can transmit the type of the working head 210 to the controller in the first power device 300, so that the controller in the first power device 300 controls the working head 210 to work in the control mode corresponding to the type of the working head 210, thereby optimizing the hierarchical distribution of electric control tasks in the multi-purpose garden tool. In some embodiments, the photoelectric parameters of the identification element can also be transmitted to the controller of the first power device 300 through the electronic circuit arranged in the connecting pipe 220.

[0164] In the control mode corresponding to different types of working devices 200, one or more of the rotation speed, acceleration, and current of the first motor 310 are different. The above arrangement can realize various different functions of the multi-purpose garden tool.

[0165] For example, the first motor 310 rotates at full speed in mode one, rotates at medium speed in mode two, and rotates at low speed in mode three, where the full speed is greater than the medium speed, and the medium speed is greater than the low speed. The above arrangement can adapt to different application scenarios. For example, the above mode one can be a chainsaw mode, the first motor 310 rotates at full speed when the assembled working device 200 is a chainsaw working head; the above mode two can be a grass trimmer mode, the first motor 310 rotates at medium speed when the assembled working device 200 is a grass trimmer working head; and the above mode three can be a trimmer mode, the first motor 310 rotates at low speed when the assembled working device 200 is a trimmer working head.

[0166] Specifically, the photoelectric parameters can be optical parameters and / or electrical parameters, and can include one or more of the resistance value, capacitance value, magnetic field strength, and wavelength, light color of the identification element. The above arrangement can realize accurate identification of the working device 200 by the controller.

[0167] In some embodiments, the identification element is a resistor element with different resistances. The resistances of different resistor elements are different, and the controller obtains the resistance value of the identification element through the electronic circuit in the connecting pipe 220 to identify the type of the connected working device 200. In other embodiments, the identification element can be a coil, and the controller can detect the magnetic field strength of the identification element; or the identification element can be a light-emitting element, and the controller can detect the light color of the identification element.

[0168] The working device 200 further comprises at least two locking members, i.e., a first locking member 120 and a second locking member 130, which are used to lock or release the connection between the working device 200 and the first power device 300, and the first power device 300 can be removed when both the first locking member 120 and the second locking member 130 are in the released state. The first locking member 120 and the second locking member 130 are arranged to facilitate the disassembly and assembly of the first power device 300 and the working device 200.

[0169] When the first locking member 120 and / or the second locking member 130 is in the locked state, the electronic circuit arranged in the connecting pipe 220 is connected to the controller at the position adjacent to the first locking member 120 and / or the second locking member 130. The above arrangement makes the connection between the controller and the electronic circuit reliable.

[0170] In some embodiments, the controller is connected to the electronic circuit arranged in the connecting pipe 220 at the position adjacent to the first locking member 120 and / or the second locking member 130 through the electronic circuit arranged in the rack 100.

[0171] In some embodiments, the electronic circuit connected to the identification element and the electronic circuit connected to the controller are connected to each other through the pole piece at the position adjacent to the first locking member 120 and / or the second locking member 130. The pole piece improves the reliability of the connection between the identification element and the controller. The pole piece can comprise a metal sheet.

[0172] In the light of the above, the two wires led out by the identification element in the working device 200 can run in the connecting pipe 220, and the two wires led out by the controller of the power supply device can run in the rack 100, for example, in the two support racks 100 supporting the battery compartment 400 on both sides of the battery compartment 400, and be connected to the conductive pole piece. Moreover, the conductive pole piece of the connecting pipe 220 and the conductive pole piece of the rack 100 are connected to each other at the position of the first locking member 120 and / or the second locking member 130 when the working device 200 is connected to the first power device 300 to realize the above data transmission.

[0173] The embodiment also provides a multi-purpose garden tool, comprising a first power device 300 and a plurality of working devices 200, wherein the first power device 300 at least comprises a first motor 310; the plurality of working devices 200 are alternatively detachably connected to the first power device 300 and are configured to be driven by the first motor 310 to perform corresponding functions of the multi-purpose garden tool; the multi-purpose garden tool further comprises a power supply device comprising at least one battery pack to supply power to the first motor 310; each working device 200 comprises an access piece, and the structure of the access piece has a one-to-one correspondence with the working device 200; the first power device 300 comprises an identification module, and the identification module comprises a sensing piece whose electrical parameter changes when the access piece accesses the first power device 300.

[0174] The above arrangement realizes that the working devices 200 are applicable to different application scenarios by detachably assembling the plurality of working devices 200 to the first power device 300 of the multi-purpose garden tool, makes up for the situation that the working scenarios are isolated in the related art, enables the working devices 200 to flexibly cope with different working condition requirements, and improves the working efficiency and reduces the working strength while taking into account the working flexibility. The sensing piece arrangement enables the type of the working device 200 to be identified and enables the corresponding function of the multi-purpose garden tool to be performed according to the type of the working device 200.

[0175] In some embodiments, the multi-purpose garden tool comprises a wheel set 500 comprising a wheel 520 rotatable about a wheel axis for supporting the multi-purpose garden tool to walk on the ground. The above arrangement helps to improve the convenience of use and reduce the labor intensity.

[0176] In some embodiments, the identification module identifies the type of the connected working device 200 based on the electrical parameter of the sensing piece, so as to control the working device 200 to perform the corresponding function based on the control mode corresponding to the type of the working device 200. The above arrangement helps to simplify the structure, reduce the cost, and improve the identification success rate of the type of the working device 200.

[0177] The access piece has a connecting part that interfaces with the sensing piece when the access piece accesses the first power device 300, and the connecting part of the access piece of each working device 200 is different in structure in the circumferential direction and / or the axial direction. Specifically, in a first implementation of the embodiment, the connecting part of the access piece of each working device 200 is different in structure in the circumferential direction. In a second implementation of the embodiment, the connecting part of the access piece of each working device 200 is different in structure in the axial direction. In a third implementation of the embodiment, the connecting part of the access piece of each working device 200 is different in structure in the circumferential direction and also different in structure in the axial direction.

[0178] In some embodiments, the sensing piece is a variable resistor, and the resistance of the variable resistor is different when different access pieces access. The variable resistor has high reliability, low price, and is easy to identify.

[0179] In some embodiments, the connection part of the access part of each working device 200 is provided with a magnetic part at different positions in the circumferential direction and / or the axial direction. In a first implementation of the present embodiment, the connection part of the access part of each working device 200 is provided with a magnetic part at different positions in the circumferential direction. In a second implementation of the present embodiment, the connection part of the access part of each working device 200 is provided with a magnetic part at different positions in the axial direction. In a third implementation of the present embodiment, the connection part of the access part of each working device 200 is provided with a magnetic part at different positions in the circumferential direction and the axial direction.

[0180] In some embodiments, the sensing part is a Hall element, and the electromagnetic parameters around the Hall element are different when different access parts are accessed. The Hall element and the magnetic part are mature in cooperation technology, low in cost, and easy to debug.

[0181] In order to improve the convenience of use, in some embodiments, the first power device 300 further comprises a setting module for setting the control mode corresponding to each working device 200. The above setting enables the multi-purpose garden tool to customize the working mode of the working device 200 according to the needs, so as to meet different working scenarios.

[0182] In some embodiments, the first power device 300 further comprises a communication module to interact with a user equipment in a Bluetooth manner to obtain control parameters of the control mode corresponding to each working device 200. The above setting can improve the convenience of use, and also helps to improve the intelligent degree of the multi-purpose garden tool.

[0183] In some embodiments, the power generation device and the signal sending device are arranged in each type of working head 210, the output shaft rotates to generate electricity to drive the signal sending device to transmit a signal related to the type of the working head 210 to the controller in the power device for reception in a wireless manner, and the controller then controls the working head 210 based on the type of the working head 210.

[0184] The technical effects of the present application at least include: a multi-purpose garden tool system, a working device and a multi-purpose garden tool are provided, the multi-purpose garden tool system realizes the applicability of the working device on different types of garden tools by detachably assembling a plurality of working devices to the first accessory interface of the first multi-purpose garden tool or the second accessory interface of the second multi-purpose garden tool, especially the switching between handheld and wheeled tools, the plurality of working devices in the same system can present the state of handheld tools and the state of wheeled tools, which greatly makes up for the situation that the working scenarios are isolated in the related art, can flexibly cope with different working condition requirements, while taking into account the working flexibility, also can improve the working efficiency and reduce the working intensity.

[0185] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the above embodiments do not limit the present application in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation fall within the protection scope of the present application.

Claims

1. A multi-purpose garden tool, comprising: a frame (100); a wheel set (500) connected to the frame (100), comprising a wheel (520) rotatable about a wheel axis, and arranged to support the multi-purpose garden tool to walk on the ground; a first power device (300) comprising at least a first motor (310); a plurality of working devices (200) selectively detachably connected to the first power device (300) to be driven by the first motor (310) to perform corresponding functions of the multi-purpose garden tool; a first battery pack supplying power to the first motor (310); characterized in that, in the front-rear direction, the first battery pack is located in front of the first motor (310).

2. The multi-purpose garden tool of claim 1, wherein, In the front-rear direction, the center of gravity of the first battery pack is located in front of the wheel (520); in the up-down direction, the center of gravity of the first battery pack is located above the wheel (520).

3. The multi-purpose garden tool of claim 1, wherein, In the front-rear direction, the first motor (310) is located behind the wheel (520).

4. The multi-purpose garden tool of claim 1, wherein, The working device (200) comprises a working head (210) and a connecting pipe (220) connected to the working head (210), the connecting pipe (220) is detachably connected to the first power device (300); in the front-rear direction, the first battery pack is at least partially arranged between the working head (210) and the wheel (520).

5. The multi-purpose garden tool of claim 4, wherein, In the up-down direction, the first battery pack is located below the connecting pipe (220).

6. The multi-purpose garden tool of claim 4, wherein, In the front-rear direction, the center of gravity of the multi-purpose garden tool is located between the working head (210) and the wheel (520).

7. The multi-purpose garden tool of claim 1, wherein, In the front-rear direction, the center of gravity of the multi-purpose garden tool is located in front of the wheel axis and in front of the center of gravity of the first battery pack.

8. The multi-purpose garden tool of claim 1, wherein, Further comprising: an operating device (110) for a user to hold and control the operating state of the first motor (310); the operating device (110) comprises two extension rods (115), and the operating device (110) is rotatably connected to the frame (100) through the extension rods (115) so that the operating device (110) has an operating storage position and an operating working position.

9. The multi-purpose garden tool of claim 1, wherein, Further comprising: a first locking member (120) and a second locking member (130), the first locking member (120) and the second locking member (130) are arranged to lock or release the working device (200), and the first power device (300) can be taken out when the first locking member (120) and the second locking member (130) are both in the released state; the working device (200) comprises a working head (210) and a connecting pipe (220) connected to the working head (210); the first locking member (120) and the second locking member (130) act on the connecting pipe (220).

10. The multi-purpose garden tool of claim 1, wherein, Further comprising: A height adjusting device (140) is arranged to at least adjust switching of the wheel set (500) between a wheel storage position and a wheel working position; when the wheel set (500) is in the wheel storage position, the wheels (520) do not contact the ground.

11. The multi-purpose garden tool of claim 1, wherein, The first battery pack is detachably connected to the frame (100); the multi-purpose garden tool further comprises a battery compartment (400) comprising a compartment body (410) and a compartment cover (420) covering an opening of the compartment body (410), and the first battery pack is inserted into the compartment body (410).

12. The multi-purpose garden tool of claim 1, wherein, The energy range of the first battery pack is 150Wh-900Wh.

13. The multi-purpose garden tool of claim 1, wherein, Further comprising: A second battery pack is detachably mounted to the multi-purpose garden tool and arranged to supply power to the first motor (310) or other power tools after being detached.

14. The multi-purpose garden tool of claim 1, wherein, The plurality of working devices (200) comprises one or more of the following working devices (200): a soil turning head, a sweeping brush, a rubber brush, a grass cutting head, an edging head, and a snow shovel head.

15. A multi-purpose garden tool comprising: a frame (100); a wheel set (500) connected to the frame (100), comprising wheels (520) rotatable about a wheel axis, and arranged to support the multi-purpose garden tool to walk on the ground; a first power device (300) comprising at least a first motor (310); a plurality of working devices (200) selectively detachably connected to the first power device (300) to be driven by the first motor (310) to perform corresponding functions of the multi-purpose garden tool; a first battery pack supplying power to the first motor (310); characterized in that, in the up-down direction, the first battery pack is below the output shaft of the first motor (310).

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