Electric tool assembly and electric tool

Abstract

The utility model discloses an electric tool assembly and an electric tool. The electric tool assembly comprises a first holding part and a battery containing bin, the battery containing bin and the first holding part are axially arranged, at least two cavities are formed in the battery containing bin, the cavities are arranged in the battery containing bin in the second direction, and the second direction is perpendicular to the axis of the electric tool assembly. And the cross-sectional area of the first holding part in the second direction is smaller than that of the battery accommodating bin in the second direction. The battery pack supplies power to the electric tool in the mode that the battery pack is contained in the cavity, the interference of the external environment on the battery pack in the operation process can be reduced, the space arrangement of the cavity is reasonable, the size of the battery containing bin is smaller, and a user can conveniently hold the electric tool.

Description

Technical Field

[0001] The present application relates to the technical field of electric tools, and in particular to an electric tool assembly and an electric tool. Background Art

[0002] In the field of gardening, the use of power tools is almost indispensable. Power tools are widely favored by users due to their advantages such as no pollution and low noise. Most of the electric tools on the market are powered by external power supplies. Power tools using external power supplies can often only work in places with power interfaces, which greatly limits the use scenarios of power tools. In order to solve the power supply problem of power tools, power tools are usually powered by detachable battery packs so that the use scenarios of power tools will not be limited by the power interface.

[0003] However, in order to ensure the battery life of existing power tools, the battery packs of power tools are relatively large and heavy, which makes the assembly position of the battery pack and the power tool subject to greater stress, easy to damage, and not conducive to the user to operate the power tool. During the operation of the power tool, due to the complex operating environment of the garden power tool, the battery pack exposed to the outside is easily affected by external environmental factors, thereby affecting the performance of the power tool. Utility Model Content

[0004] One purpose of the present application is to provide an electric tool assembly with a reasonable battery pack space layout and a compact battery storage compartment.

[0005] Another object of the present application is to provide an electric tool.

[0006] To achieve the above objectives, the technical solution adopted in the present application is: an electric tool assembly, comprising: a first grip and a battery accommodating compartment, the battery accommodating compartment and the first grip are arranged axially, at least two chambers are arranged in the battery accommodating compartment, each of the chambers is arranged in the battery accommodating compartment along a second direction, the second direction is perpendicular to the axis of the electric tool assembly, the battery pack can be removably placed in the battery accommodating compartment, and the cross-sectional area of ​​the first grip in the second direction is smaller than the cross-sectional area of ​​the battery accommodating compartment in the second direction.

[0007] Preferably, the battery accommodating compartment includes at least a first chamber and a second chamber, and the first chamber and the second chamber are symmetrically arranged along the axis of the power tool assembly.

[0008] As another preferred embodiment, a first locking member and a second locking member are respectively provided in the first chamber and the second chamber, and the first locking member and the second locking member are suitable for switching between a locked position and an unlocked position under the drive of a release button, and the first locking member and the second locking member are suitable for locking the battery pack in the locked position, and the release button is provided on the outer side wall of the battery accommodating compartment.

[0009] Further preferably, a heat dissipation channel is also provided in the battery accommodating compartment, and heat dissipation holes connected to the outside are provided on the side walls of the battery accommodating compartment at both ends of the heat dissipation channel, and the heat dissipation channel extends along the second direction, and the heat dissipation channel is sequentially connected to the bottom of the first chamber and the second chamber, and is formed on the side of the first chamber and the second chamber.

[0010] Further preferably, a guide member is provided in each of the cavities, and a corresponding guide groove is provided on the outer wall of the battery pack, and the guide member is suitable for cooperating with the guide groove to facilitate rapid positioning of the battery pack.

[0011] More preferably, the device further comprises a locking switch and a main switch, wherein the locking switch and the main switch are respectively arranged in the third direction of the first grip portion, the locking switch is arranged on one side of the first grip portion, and the main switch is arranged on the other side of the first grip portion, and the locking switch and the main switch are held relative to each other; or

[0012] The electric tool assembly further comprises a locking switch, a main switch and an anti-locking mechanism, wherein the locking switch, the main switch and the anti-locking mechanism are respectively arranged in the circumferential direction of the first gripping portion, and the extending directions of the locking switch and the main switch are along the axial plane of the electric tool assembly; or

[0013] The electric tool assembly further comprises a locking switch, a main switch and an anti-locking mechanism, wherein the locking switch, the anti-locking mechanism and the main switch are arranged along the axial direction of the first gripping portion; or

[0014] The electric tool assembly further includes a locking switch, a main switch and an anti-locking mechanism. The locking switch, the main switch and the anti-locking mechanism are respectively arranged on the first gripping portion, and the anti-locking mechanism deviates from the extending direction of the locking switch and the main switch.

[0015] Further preferably, the power tool assembly further includes an extension assembly and a folding mechanism, the extension assembly includes a first extension rod and a second extension rod, the first extension rod and the second extension rod are connected by the folding mechanism, the first extension rod is connected to the first gripping portion, and the second extension rod is used to connect to the driving mechanism, the extension assembly has a folded state and an extended state, when the extension assembly is in the folded state, the first extension rod and the second extension rod form an angle, when the extension assembly is in the extended state, the first extension rod and the second extension rod are spliced ​​end to end.

[0016] Further preferably, the folding mechanism includes a movable part, a holding part and a fixing part, one end of the movable part is pivotally connected to the holding part, the other end of the movable part is connected to the first extension rod, the holding part is connected to the second extension rod, one end of the holding part extends toward one side of the movable part to form a limiting part for limiting the unfolding angle of the movable part, and the fixing part is suitable for fixing the movable part on the limiting part when the extension assembly is in the extended state to keep the movable part and the movable part extending in the same straight line.

[0017] More preferably, it further comprises a second gripping portion, wherein the second gripping portion is detachably mounted on the first extension rod, and the second gripping portion extends upward in a direction perpendicular to the first extension rod.

[0018] Further preferably, at least two battery packs are arranged in the battery accommodating compartment, the two battery packs are placed in the battery accommodating compartment at intervals, and the two battery packs are locked or ejected synchronously.

[0019] Further preferably, the electric tool assembly includes a control module, at least two battery packs are arranged in the battery receiving compartment, the two battery packs are placed in the battery receiving compartment at intervals, the two battery packs are locked or popped out synchronously, the battery packs are plugged in and out of the battery receiving compartment, and the battery pack circuit is connected to the control module to provide power.

[0020] On the other hand, the present application provides an electric tool, including the above-mentioned electric tool assembly and a driving mechanism, wherein the driving mechanism is a cutting and brushing head, and the cutting and brushing head includes a first motor and a cutting structure connected to the first motor, and the first motor is circuit-connected to a control module of the electric tool assembly.

[0021] On the other hand, the present application provides an electric tool, including the above-mentioned electric tool assembly and a driving mechanism, wherein the driving mechanism is a saw head assembly, and the saw head assembly includes a second motor, a transmission element, and a chain driven by the transmission element, the second motor drives the transmission element, the chain moves on the guide plate, and the second motor is connected to the control module of the electric tool assembly by a circuit.

[0022] On the other hand, the present application provides an electric tool, including the above-mentioned electric tool assembly and a driving mechanism, wherein the driving mechanism is a trimming blade assembly, and the trimming blade assembly includes a third motor, a transmission component driven by the third motor, and a blade structure connected to the transmission component, and the blade structure includes a first blade group and a second blade group, and the first blade group and the second blade group reciprocate relative to each other to achieve cutting.

[0023] Compared with the prior art, the beneficial effects of this application are:

[0024] The opening of the chamber in the battery accommodating compartment is horizontally arranged along the axis of the power tool assembly, and the opening of the chamber is facing away from the driving mechanism. Dust generated during operation is not easy to enter the chamber, and the battery pack in the chamber will not be damaged by debris such as branches generated during operation. The chamber is symmetrically arranged along the axis of the power tool assembly, and the center of gravity of the battery pack falls on the axis of the power tool assembly, which makes it easier for users to operate the power tool. Multiple battery packs can be locked or ejected at the same time, making it convenient for users to take and replace battery packs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] By reading the detailed description below with reference to the accompanying drawings, the above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, wherein:

[0026] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the first grip portion and the battery compartment in this application;

[0028] Figure 2 A schematic diagram of a battery compartment in this application;

[0029] Figure 3 A schematic diagram of the first grip portion and the battery compartment in this application;

[0030] Figure 4 for Figure 3 Cross-section of the middle AA;

[0031] Figure 5 This is a schematic diagram of the three-dimensional structure of the first grip portion and the battery compartment in the present application from another perspective;

[0032] Figure 6 A schematic diagram of the three-dimensional structure of the battery pack in this application;

[0033] Figure 7 It is a schematic diagram of the three-dimensional structure of the locking member in this application;

[0034] Figure 8 This is a schematic diagram of the cooperation between the locking member and the releasing member in this application;

[0035] Fig. 9 A schematic diagram of the locking member in the unlocked position in the present application;

[0036] Fig.10 It is a schematic diagram of the locking member in the present application when it is in the locking position;

[0037] Fig.11 It is a schematic diagram of the structure of the pop-up component in this application;

[0038] Fig.12 Schematic diagram of the power tool in this application Figure 1 ;

[0039] Fig.13 This is a schematic diagram of the cutting and irrigation head in the electric tool in this application Figure 1 ;

[0040] Fig.14 This is a schematic diagram of the cutting and irrigation head in the electric tool in this application Figure 1 ;

[0041] Fig.15 for Fig.12 A schematic diagram of an extension assembly in the illustrated power tool;

[0042] Fig.16 Schematic diagram of the power tool in this application Figure 2 ;

[0043] Fig.17 A schematic diagram of a saw head assembly in the electric tool in the present application;

[0044] Fig.18 A schematic diagram of the interior of a saw head assembly in the electric tool of the present application;

[0045] Fig.19 for Fig.16 A schematic diagram of an extension assembly in the illustrated power tool;

[0046] Fig. 20 Schematic diagram of the power tool in this application Figure 3 ;

[0047] Fig.21 A schematic diagram of a trimming blade assembly in a power tool in the present application;

[0048] Fig. 22 A schematic diagram of the interior of a trimming blade assembly in the electric tool of the present application;

[0049] Fig.23 It is a schematic diagram of the folding mechanism when the extension component in the present application is in the extended state;

[0050] Fig.24 It is a schematic diagram of the folding mechanism when the extension component in this application is in a folded state.

[0051] In the figure: 1. power tool assembly; 2. first grip; 21. locking switch; 22. main switch; 23. anti-locking mechanism; 3. battery storage compartment; 31. chamber; 311. first chamber; 312. second chamber; 32. storage slot; 33. guide member; 4. battery pack; 41. slot; 42. guide slot; 5. locking member; 51. first end; 52. second end; 53. rotating shaft; 54. first locking member; 55. second locking member; 56. first spring; 57. release member; 58. release button; 6. ejection assembly; 61. ejection base; 611. limit slot; 62. ejection block; 621. limit block; 63. second Spring; 7. Heat dissipation channel; 71. Heat dissipation hole; 8. Extension assembly; 81. First extension rod; 82. Second extension rod; 83. Folding mechanism; 831. Movable part; 832. Holding part; 833. Limiting part; 834. Fixing part; 84: Second gripping part; 85: Shoulder strap; 9. Driving mechanism; 911: First motor; 912: Cutting blade; 913: Grass trimmer head; 914: Grass guard; 921: Saw head housing; 922: Chain; 923: Guide plate; 924: Second motor; 925: Transmission element; 931: Blade housing; 932: Upper blade; 933: Lower blade; 934: Third motor; 935: Transmission component. DETAILED DESCRIPTION

[0052] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0053] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0054] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0055] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0056] The present application provides an electric tool assembly 1, comprising a first grip portion 2 and a battery storage compartment 3, wherein the battery storage compartment 3 is arranged at the end of the first grip portion 2, the first grip portion 2 and the battery storage compartment 3 are arranged horizontally along a first direction, at least one chamber 31 is arranged in the battery storage compartment 3, the opening of the chamber 31 is arranged horizontally along the axis of the electric tool assembly 1, and a battery pack 4 is arranged in the chamber 31 in a pluggable manner along the first direction. When the battery pack 4 is accommodated in the chamber 31, the end surface of the battery pack 4 does not protrude from the end surface of the battery storage compartment 3, that is, the battery pack 4 does not extend to the outside of the chamber 31 and is exposed outside the chamber 31. During the operation of the electric tool, the battery pack 4 will not collide with waste such as branches generated during the operation, so that the battery pack 4 can be prevented from being damaged by waste such as branches. At the same time, the opening of the chamber 31 is arranged horizontally along the axis of the electric tool assembly 1, so that dust, waste, etc. are not easy to enter the chamber 31, and will not affect the contact between the battery pack 4 and the wiring terminal, so that the electric tool can be prevented from stopping due to poor contact between the battery pack 4 and the wiring terminal during the operation.

[0057] At least a first chamber 311 and a second chamber 312 are provided in the battery storage compartment 3. The first chamber 311 and the second chamber 312 are symmetrically arranged in the battery storage compartment 3 along the axis of the electric tool assembly 1. The first chamber 311 and the second chamber 312 are arranged in a row along the second direction. That is, when two battery packs 4 are simultaneously accommodated in the first chamber 311 and the second chamber 312, the image area of ​​the two battery packs 4 with the second direction as the projection direction is the largest, so that the length occupied by the two battery packs 4 in the arrangement direction is the shortest, the volume of the battery storage compartment 3 is more compact and light, the cross-sectional shape of the battery storage compartment 3 in the second direction is close to a square, and the length-to-width ratio L / W of the cross-sectional shape of the battery storage compartment 3 in the second direction is 0.9 to 1.1. In this embodiment, the distance between the first chamber 311 and the second chamber 312 is less than 25 mm. Preferably, the distance between the first chamber 311 and the second chamber 312 is less than 10 mm, that is, the distance from the outer walls of the first chamber 311 and the second chamber 312 to the axis of the power tool assembly 1 is 8.52 mm, the distance from the side walls of the first chamber 311 and the second chamber 312 to the axis of the power tool assembly 1 is within 57.2 mm, and the length occupied by the first chamber 311 and the second chamber 312 in the second direction does not exceed 114.4 mm. When the power tool is placed horizontally, the center of gravity of the battery pack 4 arranged in the first chamber 311 and the second chamber 312 falls on the axis of the power tool assembly 1.

[0058] In this embodiment, the cross-sectional area of ​​the first grip portion 2 in the second direction is smaller than the cross-sectional area of ​​the battery accommodating compartment 3 in the second direction, and the ratio of the cross-sectional area of ​​the battery accommodating compartment 3 to the cross-sectional area of ​​the first grip portion 2 in the second direction is 5 to 12, that is, the cross-sectional area of ​​the battery accommodating compartment 3 in the second direction is 5 to 12 times the cross-sectional area of ​​the first grip portion 2.

[0059] The chamber 31 is provided with a locking member 5, which includes a first end 51 and a second end 52, a rotating shaft 53 is provided between the first end 51 and the second end 52, an accommodating groove 32 is provided on the inner wall of the chamber 31 close to the axis of the electric tool assembly 1, the locking member 5 is rotatably provided in the accommodating groove 32, and the locking member 5 can rotate between a locked position and an unlocked position. When the locking member 5 is in the locked position, the first end 51 of the locking member 5 protrudes from the inner wall of the chamber 31, and when the locking member 5 is in the unlocked position, the first end 51 of the locking member 5 does not protrude from the inner wall of the chamber 31, and the second end 52 of the locking member 5 does not protrude from the inner wall of the chamber 31 when the locking member 5 is in the locked position or the unlocked position, affecting the insertion and removal of the battery pack 4. The outer wall of the battery pack 4 is provided with a slot 41 matching the first end 51, so that the locking member 5 in the locked position can restrict the battery pack 4 in the chamber 31.

[0060] In this embodiment, the first and second locking members 54 and 55 are respectively disposed in the first and second chambers 311 and 312. The first and second locking members 54 and 55 are disposed in the space between the first and second chambers 311 and 312. The first ends 51 of the first and second locking members 54 and 55 are connected by a first spring 56. When no external force is applied, the first ends 51 of the first and second locking members 54 and 55 protrude from the inner walls of the first and second chambers 311 and 312. The first and second locking members 54 and 55 are in the locked position, and the battery pack 4 is locked in the first and second chambers 311 and 312. A release member 57 is disposed between the second ends 52 of the first and second locking members 54 and 55. The release member 57 is in a wedge shape with a larger upper portion and a smaller lower portion. A release button 58 is disposed on the surface of the battery compartment 3. One end of the release member 57 is connected to the release button 58. The release member 57 can move up and down under the drive of the release button 58. When the user presses the release button 58, the release member 57 moves downward under the drive of the release button 58, and the portion of the release member 57 abutting against the first locking member 54 and the second locking member 55 changes from a small head to a large head, and the second end portions 52 of the first locking member 54 and the second locking member 55 move outward, and the first end portions 51 are correspondingly retracted to not protrude from the inner wall of the chamber 31, and the first spring 56 is compressed, and the first locking member 54 and the second locking member 55 rotate from the locked position to the unlocked position under the drive of the release member 57, thereby unlocking the battery pack 4. When the user releases the release button 58, the release member 57 moves upward under the drive of the reset member, and the portion of the release member 57 abutting against the first locking member 54 and the second locking member 55 changes back to a small head, and the first spring 56 releases the elastic potential energy to push the first end portion 51 to protrude from the inner wall of the chamber 31, and the first locking member 54 and the second locking member 55 rotate from the unlocked position to the locked position, thereby locking the battery pack 4.

[0061] A pop-up assembly 6 is provided at the bottom of the battery accommodating compartment 3, and the pop-up assembly 6 includes a pop-up base 61, a pop-up block 62 and a second spring 63. The pop-up base 61 is fixedly arranged at the bottom of the battery accommodating compartment 3, and the pop-up block 62 is slidably arranged in the pop-up base 61. One end of the second spring 63 is connected to the pop-up base 61, and the other end of the second spring 63 is connected to the pop-up block 62. The second spring 63 is suitable for driving the pop-up block 62 to move along the axial direction of the pop-up base 61 through the pop-up hole on the battery accommodating compartment 3, and the pop-up block 62 is suitable for driving the battery pack 4 to move outward along the axial direction of the battery accommodating compartment 3. Specifically, the head of the ejection block 62 abuts against the battery pack 4. When the user presses the release button 58, the release member 57 is driven to move downward, thereby causing the locking member 5 to rotate from the locked position to the unlocked position. The first end 51 of the locking member 5 is separated from the slot 41 on the outer wall of the battery pack 4 and the first end 51 does not protrude from the inner wall of the battery accommodating chamber 3. The second spring 63 releases its elastic force, driving the ejection block 62 to move outward, driving the battery pack 4 to move outward along the opening direction of the battery accommodating chamber 3. The second spring 63 is used as the driving element of the ejection assembly 6. Its driving method is relatively simple, has a good driving effect, and does not require the use of additional energy. After the battery pack 4 is ejected, the release button 58 is released. At this time, the first end 51 of the locking member 5 abuts against the outer wall of the battery pack 4, and the locking member 5 cannot return to the locked position. Therefore, the battery pack 4 will not be locked in the chamber 31 again. Only pressing the release button 58 once can realize the unlocking of the two battery packs 4. During the installation of the battery pack 4, the user pushes the battery pack 4 into the cavity 31 through the opening and presses the battery pack 4. The second spring 63 is squeezed and gradually deformed, thereby storing elastic potential energy. When the battery pack 4 moves to the specified position, the locking piece 5 is embedded in the slot 41 on the outer wall of the battery pack, thereby locking the battery pack 4 in the cavity 31. The second spring 63 cannot drive the battery pack 4 to move outward.

[0062] In this embodiment, the pop-up block 62 is further provided with a limit block 621 protruding outward, and the pop-up base 61 is provided with a corresponding limit groove 611, and the limit block 621 is adapted to cooperate with the limit groove 611 to limit the maximum movement distance of the pop-up block 62, so as to prevent the pop-up block 62 from being separated from the pop-up base 61 when the second spring 63 releases the elastic force to drive the pop-up block 62 to move outward. Although the pop-up block 62 rubs against the pop-up base 61 during the movement to limit the moving speed and distance of the pop-up block 62, in actual use, if the position of the pop-up block 62 is not limited, the pop-up block 62 is prone to excessive pop-up, resulting in the pop-up block 62 being unable to reset when the battery pack 4 is subsequently inserted into the cavity 31 during the installation process, thereby affecting the next pop-up of the battery pack 4.

[0063] In some preferred embodiments, each chamber 31 of the battery storage compartment 3 is further provided with a guide member 33, and a guide groove 42 is correspondingly provided on the outer wall of the battery pack 4. The guide member 33 is adapted to cooperate with the guide groove 42. When the battery pack 4 is inserted into the chamber 31, the guide groove 42 engages with the guide member 33, so that the connection terminals on the battery pack 4 are conveniently aligned and connected with the connection posts at the bottom of the chamber 31. Specifically, the guide member 33 is a raised rib in the chamber 31. The guide member 33 and the guide groove 42 are only provided in the lower half of the chamber 31 and the lower half of the battery pack 4. Such a setting prevents the user from inserting the battery pack 4 into the chamber 31 in reverse, and can prevent the connection posts at the bottom of the chamber 31 from being squeezed and damaged due to the user's mistaken reverse insertion of the battery pack 4. The connection terminals adopt pinhole type connection terminals, which have better connection effect and better waterproof sealing effect.

[0064] In this embodiment, a heat dissipation channel 7 is further provided between the battery accommodating compartment 3 and the first gripping portion 2. The heat dissipation channel 7 extends along the second direction, so that the battery pack 4 arranged in the first cavity 311 and the second cavity 312 can be covered by the heat dissipation channel 7. The heat generated by the battery pack 4 can be transferred to the outside through the heat dissipation holes 71 on the heat dissipation channel 7, thereby preventing the battery pack 4 from overheating and causing the power tool to shut down.

[0065] The electric tool assembly 1 is also provided with a locking switch 21 and a main switch 22. The locking switch 21 and the main switch 22 are arranged along the third direction. The locking switch 21 is arranged on one side of the first grip 2, and the main switch 22 is arranged on the other side of the first grip 2. The locking switch 21 and the main switch 22 are arranged on both sides of the first grip 2. Preferably, the main switch 22 is arranged on the lower surface of the first grip 2, and the locking switch 21 is arranged on the upper surface of the first grip 2. The main switch 22 is usually a trigger. The main switch 22 is arranged on the lower surface of the first grip 2 to facilitate the user to operate the main switch 22 while holding the first grip 2. Specifically, when the user closes the locking switch 21, the electric tool enters the standby state. At this time, the user presses the main switch 22 to close the main switch 22 to start the electric tool; when the user opens the locking switch 21, the electric tool enters the shutdown state. At this time, the user cannot start the electric tool regardless of whether the main switch 22 is pressed. The control module is electrically connected to the locking switch 21 and the main switch 22.

[0066] More preferably, an anti-locking mechanism 23 is also provided on the electric tool assembly 1, and the control module is electrically connected to the locking switch 21, the main switch 22 and the anti-locking mechanism 23. The triggered anti-locking mechanism 23 has a higher priority than the triggered locking switch 21. When the anti-locking mechanism 23 is triggered, the control module is electrically connected to the anti-locking mechanism 23, and the control module stops driving the drive motor 93.

[0067] The locking switch 21, the main switch 22 and the anti-locking mechanism 23 are arranged in the circumferential direction of the first gripping portion 2, wherein the locking switch 21, the anti-locking mechanism 23 and the main switch 22 are arranged along the axial extension direction of the power tool assembly 1. That is, the locking switch 21, the anti-locking mechanism 23 and the main switch 22 are arranged along the first direction of the power tool assembly 1. The anti-locking mechanism 23 deviates from the extension direction of the locking switch 21 and the main switch 22, wherein the extension direction of the locking switch 21 and the main switch 22 is in the axial plane of the power tool assembly 1. The two chambers 31 of the battery accommodating compartment 3 are symmetrically arranged with respect to the axial plane. The first chamber 311 and the second chamber 312 of the battery accommodating compartment 3 are symmetrically arranged with respect to the axial plane. That is, the axial plane of the power tool assembly 1 is the plane where the third direction and the first direction are located.

[0068] The present application provides an electric tool, including a first grip portion 2, a battery compartment 3, an extension component 8 and a drive mechanism 9, wherein the extension component 8 is connected to the drive mechanism 9, for example, Figure 12 to Figure 14 As shown, the driving mechanism 9 is a cutting and brushing head, which includes a first motor 911 and a cutting structure connected to the first motor 911. The first motor 911 drives the cutting structure to rotate, and the rotating cutting structure is used to cut the grass / bush, etc. For example, the cutting structure includes a cutting blade 912 and / or a grass trimming head 913, and the cutting blade 912 and / or the grass trimming head 913 are detachably connected to the output shaft of the first motor 911. Both the cutting blade 912 and the grass trimming head 913 can complete the cutting operation, and the corresponding cutting structure can be selected and replaced according to different usage scenarios.

[0069] In this embodiment, the cutting brush head further includes a grass baffle 914, which is fixedly connected to the housing of the first motor 911 and is located between the cutting structure and the first gripping portion 2. When the cutting structure is in operation, it rotates at a high speed driven by the first motor 911. Therefore, part of the cut grass / bush will be driven by the cutting structure to fly around, and the grass baffle 914 can be used to block the scattered grass / bush to avoid accidental injury to the user.

[0070] For example, the grass guard plate 914 half surrounds one side of the cutting structure, and one end of the grass guard plate 914 is a connecting end, which is fixedly connected to the housing of the first motor 911. For example, the grass guard plate 914 and the housing of the first motor 911 are integrally formed.

[0071] For example, Figures 16 to 19As shown, the driving mechanism 9 is a saw head assembly, which includes a saw head housing 921, a second motor 924, a transmission element 925, and a chain 922 driven by the transmission element 925 are arranged in the saw head housing 921, the second motor 924 drives the transmission element 925, the chain 922 moves on the guide plate 923, and the second motor 924 is connected to the control module of the electric tool assembly by a circuit; wherein, the housing of the second motor 924 is fixed on the inner wall of the saw head housing 921, the output shaft of the second motor 924 is connected to the transmission element 925, for example, the transmission element 925 is a driving guide wheel, one end of the guide plate 923 is located on one side of the guide wheel, and the chain 922 is sleeved on the edge of the guide plate 923 and connected to the guide wheel. After starting the second motor 924, the output shaft of the second motor 924 drives the guide wheel to rotate, and the guide wheel further drives the chain 922 to rotate, thereby realizing the rotation of the chain 922 on the guide plate 923.

[0072] In this embodiment, part of the chain 922 and the guide plate 923 in the saw head assembly are located in the saw head housing 921; the chain 922 and the guide plate 923 are located at one end of the saw head assembly away from the extension assembly 8, and are arranged in a direction away from the extension assembly 8. For example, the center line of the guide plate 923 in the length direction coincides with the extension line of the axis of the extension assembly 8, or has a certain angle, for example, the angle is 100 degrees or 130 degrees. The working part of the chain 922 is located at the front end of the high branch electric pruning saw, which is convenient for accurate pruning operations.

[0073] For example, the saw head assembly further includes an oil supply structure and a tensioning structure, through which the oil supply structure provides lubricating oil to the guide wheel and the chain 922, and through which the relative position between the guide plate 923 and the guide wheel 925 can be adjusted, thereby achieving the purpose of tensioning the chain 922. In this embodiment, the specific structures of the oil supply structure and the tensioning structure are not limited.

[0074] For example, Fig. 20 and Fig. 22 As shown, in this embodiment, the driving mechanism 9 is a trimming blade assembly, which includes a third motor 934, a transmission component 935 driven by the third motor 934, and a blade structure connected to the transmission component 935. The third motor 934 drives the transmission component 935, and the transmission component 935 drives the blade structure to operate, thereby completing the cutting / trimming operation. Specifically, the trimming blade assembly includes a blade housing 931, the third motor 934 is located in the blade housing 931, the transmission component 935 and the blade structure are partially located in the blade housing 931, and the circumferential force output by the third motor 934 is converted into a linear force through the transmission component 935, thereby achieving the cutting / trimming operation on branches or twigs.

[0075] For example, the axis of the output shaft of the third motor 934 is perpendicular to the surface where the blade structure is located, and the third motor 934 is connected to a gear set, and the gear set includes a driving gear and a driven gear, wherein the driving gear is connected to the output shaft of the third motor 934, and the center of the driven gear is connected to the central shaft, and the central shaft rotates synchronously with the driven gear, and an eccentric wheel is connected to the central shaft, and a hollow hole is set at the end of the blade structure, and the eccentric wheel is placed in the hole, and the blade structure is driven to move linearly through the eccentric wheel. In the embodiment of the utility model, the structure of the transmission component 935 is not limited to this, for example, a crank connecting rod structure or the like can also be used.

[0076] For example, the blade structure includes a first blade group and a second blade group with set lengths, that is, an upper blade 932 and a lower blade 933, and the upper blade 932 and / or the lower blade 933 are connected to a transmission component 935, and the transmission component 935 is used to drive the upper blade 932 and / or the lower blade 933 to move along its length direction. The upper blade 932 and the lower blade 933 are arranged in a superimposed manner, and a plurality of spaced blade portions are respectively arranged at the side ends of the upper blade 932 and the lower blade 933, and the blade portions of the upper blade 932 and the lower blade 933 are superimposed and staggered. For example, a blade portion is arranged at one side end of the upper blade 932 and the lower blade 933 to form a single-edged blade, or, for example, a blade portion is arranged at both side ends of the upper blade 932 and the lower blade 933 to form a double-edged blade.

[0077] For example, the upper blade 932 or the lower blade 933 is driven by the transmission component 935 to reciprocate along the length direction of the upper blade 932 or the lower blade 933. During the reciprocating movement, the upper and lower corresponding blade portions switch between the overlapping state and the separated state, thereby completing the cutting / pruning action of the branches / twigs.

[0078] For example, the upper blade 932 and the lower blade 933 are single-edged blades, and a collection plate is set on the opposite sides of the blades of the upper blade 932 and the lower blade 933. The scraps that fall off during the cutting / trimming operation are directly accumulated on the collection plate for unified processing. For example, the upper blade 932 and the lower blade 933 can be a straight strip structure, or other structures, such as an arched shape. The arched upper blade 932 and the lower blade 933 are more conducive to cutting / trimming specific shapes.

[0079] For example, the blade housing 931 includes a rotating structure, and the angle of the trimming blade assembly relative to the extension assembly 8 can be adjusted through the rotating structure to meet the usage requirements of different usage scenarios.

[0080] The motor in the driving mechanism 9 is connected to the control module in the power tool assembly 1 by electrical signals. When the motor receives electrical signals from the control module that the locking switch 21 and the main switch 22 are closed at the same time, the motor starts, thereby driving the driving mechanism 9 to perform corresponding actions. The control module is arranged in the first gripping portion, and the control module is electrically connected to the locking switch 21 and the main switch 22.

[0081] The extension assembly 8 includes a first extension rod 81 and a second extension rod 82. The first extension rod 81 is connected to the first gripping portion 2, and the second extension rod 82 is connected to the driving mechanism 9. The first extension rod 81 is connected to the second extension rod 82 via a folding mechanism 83, so that the extension assembly 8 has a folded state and an extended state. When the extension assembly 8 is in the folded state, the first extension rod 81 and the second extension rod 82 form an angle, which is an acute angle. When the extension assembly 8 is in the extended state, the first extension rod 81 and the second extension rod 82 are spliced ​​end to end.

[0082] Specifically, the folding mechanism 83 includes a movable portion 831 and a retaining portion 832, one end of the movable portion 831 is pivotally connected to the retaining portion 832, the other end of the movable portion 831 is connected to the first extension rod 81, and the retaining portion 832 is connected to the second extension rod 82, one end of the retaining portion 832 extends to one side of the movable portion 831 to form a limiting portion 833, and the limiting portion 833 is used to limit the unfolding angle of the movable portion 831. When the extension assembly 8 is in the extended state, the movable portion 831 can be rotated and embedded in the limiting portion 833, and the movable portion 831 is fixed to the limiting portion 833 by a fixing member 834. In this embodiment, the fixing member 834 is a bolt, and corresponding bolt holes are provided on the movable portion 831 and the limiting portion 833. The movable portion 831 is locked by the bolt and the bolt hole to keep the movable portion 831 in the limiting portion 833. The folding mechanism 83 enables the electric tool to be folded for storage, thereby reducing the space required for storing the electric tool. It also reduces the volume of the electric tool packaging, thereby reducing the packaging cost and transportation cost.

[0083] The first extension rod 81 is also provided with a second gripping portion 84, which is detachably mounted on the first extension rod 81 by bolts, and the second gripping portion 84 extends upward from the first extension rod 81 along the third direction. Preferably, the second gripping portion 84 is an annular gripping member. When the user uses the power tool for operation, the user holds the second gripping portion 84 with one hand, and holds the first gripping portion 2 with the other hand and operates the main switch 22 to start and shut down the power tool. The first gripping portion 2 and the second gripping portion 84 are arranged at intervals to avoid the gripping portion being too far from the driving mechanism 9, resulting in an excessively long force arm of the gravity of the driving mechanism 9, thereby increasing the burden on the user's arm.

[0084] like Fig.15As shown, in this embodiment, the extension component 8 also includes a shoulder strap 85, which is connected to the extension component 8 and is located between the second gripping portion 84 and the first gripping portion 2. When the brush cutter is in use, the shoulder strap 85 can be worn on the user's body, and the brush cutter can be loaded with the shoulder strap to further relieve the gravity of the user's hand. For example, the shoulder strap 85 is detachably connected to the extension component 8, and the user can choose whether to install and use the shoulder strap 85 according to the use requirements.

[0085] The present application also provides an electric tool, including a first gripping portion 2, a battery receiving compartment 3, a battery pack 4 and a driving mechanism 9, wherein when two battery packs 4 are simultaneously accommodated in the first cavity 311 and the second cavity 312 of the battery receiving compartment 3, the image area of ​​the two battery packs 4 with the second direction as the projection direction is the largest, so that the length occupied by the two battery packs 4 in the arrangement direction is the shortest, and the volume of the battery receiving compartment 3 is more compact and lightweight.

[0086] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An electric tool assembly, characterized in that: include: A first grip and a battery storage compartment, wherein the battery storage compartment and the first grip are axially arranged, wherein at least two chambers are arranged in the battery storage compartment, wherein each chamber is arranged in the battery storage compartment along a second direction, wherein the second direction is perpendicular to the axis of the electric tool assembly, wherein the battery pack can be detachably placed in the battery storage compartment, and wherein the cross-sectional area of ​​the first grip in the second direction is smaller than the cross-sectional area of ​​the battery storage compartment in the second direction; The opening of the chamber in the battery storage compartment is horizontally arranged along the axis of the electric tool assembly, and the battery storage compartment includes at least a first chamber and a second chamber, and the first chamber and the second chamber are symmetrically arranged along the axis of the electric tool assembly; A heat dissipation channel is also provided in the battery accommodating compartment. The battery accommodating compartment is provided with heat dissipation holes connected to the outside on the side walls at both ends of the heat dissipation channel. The heat dissipation channel extends along the second direction. The heat dissipation channel sequentially connects the first chamber and the bottom of the second chamber, and is formed on the side of the first chamber and the second chamber.

2. The power tool assembly according to claim 1, wherein: The first chamber and the second chamber are respectively provided with a first locking member and a second locking member, and the first locking member and the second locking member are suitable for switching between a locked position and an unlocked position under the drive of a release button, and the first locking member and the second locking member are suitable for locking the battery pack in the locked position, and the release button is arranged on the outer side wall of the battery accommodating compartment.

3. The power tool assembly according to claim 1, wherein: A guide piece is provided in each of the cavities, and a corresponding guide groove is provided on the outer wall of the battery pack. The guide piece is suitable for cooperating with the guide groove to facilitate rapid positioning of the battery pack.

4. The power tool assembly according to claim 1, wherein: The device further comprises a locking switch and a main switch, wherein the locking switch and the main switch are respectively arranged in a third direction of the first grip portion, the locking switch is arranged on one side of the first grip portion, and the main switch is arranged on the other side opposite to the first grip portion, and the locking switch and the main switch are held relative to each other; or The electric tool assembly further comprises a locking switch, a main switch and an anti-locking mechanism, wherein the locking switch, the main switch and the anti-locking mechanism are respectively arranged in the circumferential direction of the first gripping portion, and the extending directions of the locking switch and the main switch are along the axial plane of the electric tool assembly; or The electric tool assembly further comprises a locking switch, a main switch and an anti-locking mechanism, wherein the locking switch, the anti-locking mechanism and the main switch are arranged along the axial direction of the first gripping portion; or The electric tool assembly further includes a locking switch, a main switch and an anti-locking mechanism. The locking switch, the main switch and the anti-locking mechanism are respectively arranged on the first gripping portion, and the anti-locking mechanism deviates from the extending direction of the locking switch and the main switch.

5. The power tool assembly according to claim 1, wherein: The power tool assembly further includes an extension assembly and a folding mechanism, the extension assembly includes a first extension rod and a second extension rod, the first extension rod and the second extension rod are connected by the folding mechanism, the first extension rod is connected to the first gripping portion, and the second extension rod is used to connect to the driving mechanism. The extension assembly has a folded state and an extended state. When the extension assembly is in the folded state, the first extension rod and the second extension rod form an angle. When the extension assembly is in the extended state, the first extension rod and the second extension rod are spliced ​​end to end.

6. The power tool assembly according to claim 5, characterized in that The folding mechanism includes a movable part, a holding part and a fixing part, one end of the movable part is pivotally connected to the holding part, the other end of the movable part is connected to the first extension rod, the holding part is connected to the second extension rod, one end of the holding part extends toward one side of the movable part to form a limiting part for limiting the unfolding angle of the movable part, and the fixing part is suitable for fixing the movable part on the limiting part when the extension assembly is in the extended state to keep the movable part and the movable part extending in the same straight line.

7. The power tool assembly according to claim 5, characterized in that: It also includes a second gripping portion, which is detachably mounted on the first extension rod and extends upward in a direction perpendicular to the first extension rod.

8. The electric tool assembly according to any one of claims 1 to 7, characterized in that: The electric tool assembly includes a control module, and at least two battery packs are arranged in the battery receiving compartment. The two battery packs are placed in the battery receiving compartment at intervals, and the two battery packs are locked or popped out synchronously. The battery packs are plugged in and out of the battery receiving compartment, and the battery pack circuit is connected to the control module to provide power.

9. An electric tool, characterized in that: It comprises an electric tool assembly and a driving mechanism as described in any one of claims 1 to 8, wherein the driving mechanism is a cutting and brushing head, the cutting and brushing head comprises a first motor and a cutting structure connected to the first motor, and the first motor is connected to a control module of the electric tool assembly by a circuit.

10. An electric tool, characterized in that: It comprises an electric tool assembly and a driving mechanism as described in any one of claims 1 to 8, wherein the driving mechanism is a saw head assembly, and the saw head assembly comprises a second motor, a transmission element, and a chain driven by the transmission element, the second motor drives the transmission element, the chain moves on the guide plate, and the second motor is connected to the control module of the electric tool assembly by a circuit.

11. An electric tool, characterized in that: It comprises an electric tool assembly and a driving mechanism as described in any one of claims 1 to 8, wherein the driving mechanism is a trimming blade assembly, the trimming blade assembly comprises a third motor, a transmission component driven by the third motor and a blade structure connected to the transmission component, the blade structure comprises a first blade group and a second blade group, the first blade group and the second blade group reciprocate relative to each other to achieve cutting.

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