CN216218791U - Grass trimmer, cleaning tool and electric tool - Google Patents
Grass trimmer, cleaning tool and electric tool Download PDFInfo
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- CN216218791U CN216218791U CN202121586627.1U CN202121586627U CN216218791U CN 216218791 U CN216218791 U CN 216218791U CN 202121586627 U CN202121586627 U CN 202121586627U CN 216218791 U CN216218791 U CN 216218791U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The present invention relates to an electric tool, comprising: the power supply part is provided with an end face and is provided with at least one battery bin extending towards the interior of the power supply part; a grip portion adjacent to the power supply portion; the extension rod is arranged between the holding part and the working head; the working head is connected to one end of the extension rod, which is back to the power supply part; at least one battery pack is connected to the battery compartment in a freely detachable mode, an alpha included angle is formed between a detachable direction axis L1 of the battery pack in the battery compartment (12) and an extension direction axis L2 of the extension rod, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees. The technical scheme can be more convenient for users to operate and use. Furthermore, the utility model relates to a grass trimmer and a cleaning tool.
Description
Technical Field
The present invention relates to an electric tool, and more particularly to a grass trimmer and a cleaning tool.
Background
A lawnmower/brush cutter is a hand-held tool used to cut weeds and shrubs in lawns, gardens, rangelands, and the like, and includes a handle on which is typically disposed a structure that provides a power supply portion for the lawnmower, which is typically provided as a battery. The battery pack of the existing lawn mower/brush cutter is generally large in size and weight, and is usually mounted at the tail of the lawn mower in an externally-hung manner, such as the lawn mower/brush cutter disclosed in patent application documents with publication numbers CN211671439U, CN109561653A, CN106993429A and CN 208159285U.
The disadvantages of the existing grass mower/brush cutter are: (1) because the size and the weight of the battery pack are larger, the whole battery pack is heavier when being used, so that a user is easy to fatigue after long-term use, and the user experience is poorer; (2) the motor of the existing grass mower/brush cutter is generally provided with a grass mowing head or the other end far away from the grass mowing head, the other end far away from the grass mowing head is provided with a main handle, a battery pack is generally hung below the motor or the main handle arranged at the end part of the whole machine, and due to the position and the included angle of the external hanging, a user usually needs to greatly adjust the included angle of the machine body direction or the included angle of a human body when mounting the battery, so that the operation is inconvenient; (3) the battery pack of the existing grass mower/brush cutter is arranged at the end part of the machine body in an externally-hung manner, the battery pack and the machine body need to be provided with corresponding lock catch structures, the corresponding lock catch structures need to be strictly aligned when the battery is installed, and the two opposite lock catch structures are difficult to observe for a user during alignment, so that the operation difficulty of the user is increased, and the operation time is also increased for a part of users; (4) the battery pack of the existing grass/brush cutter has no information display, so that a user cannot acquire information such as electric quantity in time, cannot determine how long the grass/brush cutter can be used and whether the battery pack needs to be replaced.
For the same reason, there are more or less technical disadvantages in cleaning tools.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric tool which is convenient for a user to operate and use.
The present invention provides an electric tool, including:
the power supply part is provided with an end face and is provided with at least one battery bin extending towards the interior of the power supply part;
a grip portion adjacent to the power supply portion;
the extension rod is arranged between the holding part and the working head;
the working head is connected to one end of the extension rod, which is back to the power supply part;
at least one battery pack connected to the battery compartment in a freely detachable manner,
an alpha included angle is formed between the disassembly and assembly direction axis L1 of the battery pack in the battery compartment and the extension direction axis L2 of the extension rod, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
Further, the included angle alpha is 180 degrees or more than 150 degrees and less than 170 degrees.
Further, the battery pack has a bottom surface and a top surface at both ends in the long axis direction thereof, and the top surface is adjacent to the end surface in a state where the battery pack is inserted into the battery compartment.
Furthermore, a display element for displaying the battery capacity and/or the working state is arranged on the top surface of the battery pack.
Furthermore, the number of the battery bins and the number of the battery packs are two, and one battery bin accommodates one battery pack.
Furthermore, the battery pack is arranged in the battery bin in a direction perpendicular to the end face in a freely detachable mode.
Further, under the state that the battery pack is connected to the battery compartment, the two battery packs are symmetrically arranged along the axial center line L of the power supply portion.
Further, the distance from the central axis of the battery pack to the axial center line of the power supply part is m, and the value of m is within 3 cm.
Further, m is within 2 cm.
Furthermore, the length extension direction of the battery pack is consistent with the free disassembly and assembly direction of the battery pack.
Further, the cross-sectional area of the end face is 2.5 times or more the cross-sectional area of the battery pack or the area of the end face.
Further, the cross-sectional area or the end surface area of the battery pack is not larger than the cross-sectional area of the holding part.
In addition, the utility model also relates to a grass trimmer, which comprises:
the power supply part is provided with an end face and is provided with at least one battery bin extending towards the interior of the power supply part;
a grip portion including a proximal grip and a distal grip, the proximal grip being disposed between the power supply portion and the extension rod, the distal grip being disposed in a manner deviating from an axial direction of a main body of the electric power tool;
the extension rod is arranged between the near-end holding piece and the working head;
the working head is connected to one end of the extension rod, which is back to the power supply part;
at least one battery pack connected to the battery compartment in a freely detachable manner,
an alpha included angle is formed between the disassembly and assembly direction axis L1 of the battery pack in the battery compartment and the extension direction axis L2 of the extension rod, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
Further, the proximal grip and the power supply portion extend coaxially.
Furthermore, the battery pack is in the same direction with the axial extension direction of the proximal holding piece in the free disassembly and assembly direction of the battery bin.
Further, under the state that the battery pack is connected to the battery compartment, the length extension direction of the battery pack is consistent with the axial extension direction of the proximal holding piece.
Further, the number of the battery bins and the number of the battery packs are two, one battery bin accommodates one battery pack, and the two battery packs are suitable for being synchronously released under one releasing action.
Further, the power supply portion is further provided with an ejection assembly that causes the two battery packs to be released in synchronization, the ejection assembly including:
the ejection trigger piece is arranged on the surface of the power supply part;
the locking structure comprises two buckling pieces linked with the ejection trigger piece and a groove which is positioned on the side wall of the battery pack and is suitable for being correspondingly buckled with the buckling pieces;
pop out the driving piece, set up in the bottom of battery compartment, with the bottom surface contact of battery package when the battery package is connected in the battery compartment, pop out the driving piece and be in by compression state, when the battery package is released, pop out the driving piece and be in the extension state.
In addition, the present invention also provides a cleaning tool, comprising:
the power supply part is provided with an end face and is provided with at least one battery bin extending towards the interior of the power supply part;
a grip portion adjacent to the power supply portion;
the extension rod is arranged between the holding part and the working head;
the working head is connected to one end of the extension rod, which is back to the power supply part;
at least one battery pack connected to the battery compartment in a freely detachable manner,
an alpha included angle is formed between the disassembly and assembly direction axis L1 of the battery pack in the battery compartment and the extension direction axis L2 of the extension rod, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
Further, the battery pack attachment/detachment direction axis L1 is substantially parallel to the grip longitudinal axis L3.
Furthermore, the number of the battery bins and the number of the battery packs are two, and one battery bin accommodates one battery pack.
Further, the holding part is positioned behind the power supply part when viewed from the front direction perpendicular to the working head, and at least part of the holding part covers any one of the battery packs.
Further, the width W1 of the power supply section is not more than 3 times the width W2 of the extension bar as viewed from a front view direction perpendicular to the working head.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the battery size and weight are all less, and under the state that has the battery and does not have the battery, whole electric tool, for example the weight difference of machine of beating the grass or burnisher is little for the battery can not need often not also can not increase the weight of whole machine of beating the grass under the state of being taken off, makes the instrument use light more, nimble.
(2) Because the size and the free dismouting area of battery are less, the battery package can be connected in the battery compartment with the mode of free dismouting, need not like traditional electric tool, hang outward on the organism like the machine of beating the grass, and the opening slant of battery compartment upwards sets up, the free dismouting direction of battery package is the same with the axial direction of extension rod or becomes certain angle, the user is convenient for observe when loading and unloading the battery, the battery package mounting means has been simplified greatly, greatly reduced the installation degree of difficulty of battery package, the installation effectiveness of battery package has been improved, even if the people who uses the machine of beating the grass for the first time also can install fast.
(3) The power supply part and the battery pack are arranged at one end far away from the working head, namely the working head, the power supply part and the working head are electric tools, for example, two heavier parts of the grass trimmer are used, one hand holds the near-end holding piece, the other hand holds the far-end holding piece, so that the weight of the grass trimmer can be uniformly distributed, the grass trimmer accords with human engineering, and the use experience of a user is good;
(4) the top surface of the battery pack is provided with the information display unit, and the top surface of the battery pack is exposed out of the end surface of the battery cabin, namely the battery pack is visible on the end surface, so that a user can conveniently know information such as the working state of the tool, the battery electric quantity and the like and can make a response in real time.
(5) But power supply portion is equipped with the subassembly that pops out that releases the battery package in step, and the user only needs to press when using this instrument and pops out trigger piece, and two battery packages can pop out simultaneously, and the one hand also can carry out the installation and the dismantlement of battery package.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the grass trimmer of the present invention;
FIG. 2 is a schematic view of another embodiment of the grass trimmer of the present invention;
FIG. 3 is a schematic view of another embodiment of a lawn mower according to the present invention;
FIG. 4 is a schematic diagram of the separated state of the battery pack of FIG. 3 according to the present invention;
FIG. 5 is a rear view of another embodiment of the lawnmower of the present invention;
FIG. 6 is a partial cross-sectional view of another embodiment of the lawnmower of the present invention;
FIG. 7 is an enlarged, fragmentary view of region A of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a battery pack simultaneous release structure in another embodiment of the lawn mower of the present invention;
FIG. 9 is a partial cross-sectional view of the utility model of FIG. 8;
FIG. 10 is a schematic structural view of a particular embodiment of the cleaning implement of the present invention;
FIG. 11 is a cross-sectional view of a particular embodiment of a cleaning implement of the present invention;
FIG. 12 is a top view of a cleaning implement in accordance with an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 12, an electric power tool includes:
a power supply part 1 having an end surface 11 and provided with at least one battery compartment 12 extending into the power supply part 1;
a grip portion 2 adjacent to the power supply portion 1;
an extension rod 3 arranged between the holding part 2 and the working head 4;
a working head 4 connected to one end of the extension rod 3 back to the power supply part 1;
at least one battery pack 5 detachably connected to the battery compartment 12,
an alpha included angle is formed between the dismounting direction axis L1 of the battery pack 5 in the battery compartment 12 and the extension direction axis L2 of the extension rod 3, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
The included angle alpha is 180 degrees or more than 150 degrees and less than 170 degrees.
The battery pack 5 has a bottom surface 51 and a top surface 52 at both ends in the longitudinal direction thereof, and the top surface 52 is adjacent to the end surface 11 in a state where the battery pack 5 is inserted into the battery compartment 12.
The top surface 52 of the battery pack 5 is provided with a display element for displaying the battery level and/or the operating state.
The number of the battery bins 12 and the number of the battery packs 5 are two, and one battery bin 12 accommodates one battery pack 5.
The battery pack 5 is arranged in the battery compartment 12 in a direction perpendicular to the end face 11.
In a state where the battery packs 5 are connected to the battery compartment 12, the two battery packs 5 are symmetrically arranged along the axial center line L of the power supply unit 1.
The distance from the central axis 5 of the battery pack to the axial center line of the power supply part 1 is m, and the numerical value of m is less than 3 cm.
The value of m is within 2 cm.
The length extension direction of the battery pack 5 is the same as the free disassembly and assembly direction of the battery pack 5.
The cross-sectional area of the end face 11 is 2.5 times or more the cross-sectional area of the battery pack 5 or the area of the end face.
The cross-sectional area or the end surface area of the battery pack 5 is not larger than the cross-sectional area of the grip portion 2.
As described below with reference to fig. 1 to 4, an electric tool according to the present embodiment, specifically a grass trimmer, includes:
a power supply part 1 having an end surface 11 and provided with at least one battery compartment 12 extending into the power supply part 1;
a grip portion 2 including a proximal grip 21 and a distal grip 22, the proximal grip 21 being disposed between the power supply portion 1 and the extension rod 3, the distal grip 22 being disposed in a manner deviating from an axial direction of a main body of the electric power tool;
the extension rod 3 is arranged between the near-end holding piece 21 and the working head 4;
a working head 4 connected to one end of the extension rod 3 back to the power supply part 1;
at least one battery pack 5 detachably connected to the battery compartment 12,
an alpha included angle is formed between the dismounting direction axis L1 of the battery pack 5 in the battery compartment 12 and the extension direction axis L2 of the extension rod 3, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
In one embodiment, the included angle α is 180 degrees, as shown in fig. 2, that is, the battery pack 5 is freely assembled and disassembled in the battery compartment 12 in the same direction as the axial direction of the extension rod 3, specifically, the extension rod 3 is the longest part of the body of the grass trimmer, and the axial direction thereof approximately represents the whole trend of the grass trimmer, so that when a user holds the grass trimmer by hand, the battery pack 5 can be conveniently and quickly inserted into or taken out of the grass trimmer along the axial direction of the extension rod 3.
It is further preferred that the proximal grip 21 and the power supply unit 1 extend coaxially, and that the axial extension direction of the proximal grip 21 is the same as the axial extension direction of the extension rod 3, and it is further preferred that in this embodiment, as shown in fig. 2, the end surface 11 faces away from the working head 4 and is arranged obliquely upward with respect to a horizontal working surface, which is a horizontal lawn, in the working state of the lawnmower. When the user can hold the electric power tool in a comfortable posture, the battery pack 5 is attached to and detached from the electric power tool while being inclined substantially vertically.
In another embodiment, the included angle α is greater than 150 degrees and less than 170 degrees, and most preferably, the included angle α is 160 degrees, as can be seen in fig. 1. In this embodiment, the battery pack is freely assembled and disassembled, and an included angle is formed between the direction of the battery pack and the axial extension direction of the extension rod. In this embodiment, the removable direction of the battery pack 5 coincides with the extending direction of the power supply part 1, that is, the extending direction of the power supply part 1 and the extending direction of the extension rod 3 have an angle; in this embodiment, the proximal grip 21 and the power supply portion 1 extend coaxially, and the axial extension direction of the proximal grip 21 forms an angle α with the axial extension direction of the extension rod 3.
Therefore, when the lawn mower is used, the extension rod 3 is in an inclined state, the proximal end holding portion 21 and the power supply portion 1 are approximately in a horizontal state, the center of gravity of the battery pack 5 is low, and is closer to the center of gravity of the working head 4, so that the balance is better when the lawn mower is used. As shown in fig. 1, in the present embodiment, the end surface 11 is disposed opposite to the working head 4, and the user can hold the proximal end grip 21 to slightly raise one end of the power supply unit 1 of the electric power tool, so that the battery pack can be easily attached and detached.
As shown in fig. 1 and 2, the length extension direction of the battery pack 5 is the same as the free assembly and disassembly direction of the battery pack 5, the width of the power supply part 1 is in a range suitable for the user, if the power supply part 1 is too wide, the cutting angle is difficult to control because the power supply part is in a position contacting with the body when the electric tool is used by the user because the size of the power supply part is too wide.
As shown in fig. 2, the battery pack 5 is freely attached to and detached from the battery case 12 in the same direction as the axial direction of the proximal end grip 21. In a state where the battery pack 5 is attached to the power supply portion 1, the longitudinal extension direction of the battery pack 5 coincides with the axial extension direction of the proximal end grip 21.
In conclusion, the battery pack 5 can be easily attached and detached to and from the end face, which brings great convenience to the operator.
As shown in fig. 3 and 4, the battery pack 5 has a bottom surface 51 and a top surface 52 at both ends, and the top surface 52 is adjacent to the end surface 11 in a state where the battery pack 5 is attached to the battery compartment 12, specifically, as shown in fig. 6 and 7. Specifically, the top surface 52 is substantially flush with the end surface 11, with the top surface of the battery pack 5 forming a portion of the complete end surface 11. The battery pack 5 is connected to the battery compartment 12, and refers to a state that the battery pack is completely inserted into the battery compartment and is locked to the battery compartment by the locking structure of the ejection assembly.
Further preferably, the top surface 52 of the battery pack 5 is provided with a display element for displaying the battery level and/or the operating state. Therefore, the user can know the electric quantity and the working state of the electric tool in time and respond in time.
The battery pack 5 is arranged in the battery compartment 12 in a direction perpendicular to the end face 11.
As shown in fig. 1 to 4, the number of the battery compartment 12 and the number of the battery packs 5 are two, and one battery compartment 12 accommodates one battery pack 5. In a state where the battery packs 5 are connected to the battery compartment 12, the two battery packs 5 are symmetrically arranged along the axial center line of the power supply unit 1. And the distance from the battery pack 5 to the axial center line of the power supply part 1 is m, specifically, as shown in fig. 5, the value of m is within 3cm, preferably, the value of m is within 2cm, so as to ensure the stress balance of the power supply part as much as possible, prevent the center of gravity from shifting in the use process, and avoid the oversize volume of the power supply part.
Also, in order to avoid the power feeding portion from being excessively large in volume, the cross-sectional area of the end face 11 is 2.5 times or more the cross-sectional area of the battery pack 5 or the area of the end face.
In addition, the cross-sectional area or the end surface area of the battery pack 5 is not larger than the cross-sectional area of the grip portion 2.
So, can be through retraining the cross-section size of battery package 5 on the one hand, on the other hand is through retraining the size of terminal surface 11, can effectively avoid power supply portion bulky for the complete machine overall arrangement is more reasonable and light and handy, improves user experience and feels.
It is also worth mentioning that: the battery pack 5 has an elongated shape and a small cross-sectional area, and specifically, the width of the battery pack is 20 to 30mm, and more specifically, the width of the battery pack 5 is about 26 mm.
Further, the battery pack 5 preferably adopts a single cell structure, and assuming that the cell length is L1, the length of the battery pack is L2, and L2 is equal to or less than 1.3L 1; and/or the diameter of the battery core is D, the width of the battery pack is M, and M is less than or equal to 1.3D; and/or the diameter of the battery core is D, the height of the battery pack is h, and h is less than or equal to 1.8D.
The cell diameter D is preferably 21mm, and the length L3 is 70 mm. By the structural design, the battery pack 5 is small in overall size and convenient to hold. Furthermore, the overall dimensions of the most preferred embodiment of the battery pack are approximately 82mm by 26.5mm by 36.5 mm.
With continued reference to fig. 1-3, the end cross-sectional area of the end face 11 is 2.5 times or more the free attachment area of one of the battery packs 5. The cross-sectional area of the proximal grip 21 is greater than or equal to the cross-sectional area of the battery pack 5. The near-end holding piece is of a roughly cylindrical structure which is attached to a hand of a user in a holding state, and the user is kept to have better holding experience.
In addition, a starting switch is arranged on the near-end holding piece, the length extending direction of the starting switch is the same as that of the near-end holding piece, when the near-end holding piece is held by a hand, the starting switch is also held, so that the tool is electrically started, and the working head starts to work.
Furthermore, as shown in fig. 3 and 4, the number of the battery compartments 12 and the number of the battery packs 5 are two, one battery compartment 12 accommodates one battery pack 5, and the two battery packs 5 are adapted to be released simultaneously in one releasing action.
Specifically, referring to fig. 8 and 9, the power supply portion 1 further includes an ejection assembly 6 for synchronously releasing the battery packs, and the ejection assembly 6 includes:
an ejection trigger 61 protruding from the surface of the power supply part 1;
the locking structure comprises two buckling pieces 62 linked with the ejection trigger piece 61 and a groove 54 which is positioned on the side wall 53 of the battery pack 5 and is buckled with one buckling piece 62;
and the ejection driving piece 64 is arranged at the bottom of the battery bin 12 and is in contact with the bottom surface 51 of the battery pack 5, when the battery pack 5 is connected to the battery bin 12, the ejection driving piece 64 is in a compressed state, and when the battery pack 5 is released, the ejection driving piece 64 is in an extended state.
The pop-up trigger 61 comprises a button for a user to operate and protrude out of the surface of the power supply part 1 and a linkage part which is integrally arranged with the button or arranged below the button, and the linkage part is positioned above one end of each of the two buckling parts 62 and is contacted with the buckling parts 62; the fastener is pivotally connected to the power supply part 1, one end of the fastener is in contact with the linkage part and is correspondingly provided with a spring below the linkage part, and the other end of the fastener is provided with a fastener joint which is fastened with the groove 54 when the battery pack is connected to the battery bin. When the battery pack is attached to the battery compartment, the user presses the button of the ejection trigger 61. One end of the latch is depressed and the other end is raised to disengage from the recess 54, thereby releasing the battery pack and ejecting the battery pack from the bottom of the battery pack by the ejection actuator 64. The ejection drive 64 is preferably a spring.
In addition, referring to fig. 10 to 12, the present application further describes a cleaning tool as an example, the cleaning tool includes:
a power supply part 1 having an end surface 11 and provided with at least one battery compartment 12 extending into the power supply part 1;
a grip portion 2 adjacent to the power supply portion 1;
an extension rod 3 arranged between the holding part 2 and the working head 4;
a working head 4 connected to one end of the extension rod 3 back to the power supply part 1;
at least one battery pack 5 detachably connected to the battery compartment 12,
an alpha included angle is formed between the dismounting direction axis L1 of the battery pack 5 in the battery compartment 12 and the extension direction axis L2 of the extension rod 3, and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
As mentioned above, the α angle is 180 degrees or more than 150 degrees and less than 170 degrees.
Further, the battery pack 5 has a bottom surface 51 and a top surface 52 at both ends, and the top surface 52 is adjacent to the end surface 11 in a state where the battery pack 5 is attached to the battery compartment 12. Specifically, the top surface 52 is substantially flush with the end surface 11, and the top surface of the battery pack 5 constitutes a part of the entire end surface 11. The battery pack 5 is connected to the battery compartment 12, which means that the battery pack is completely inserted into the battery compartment and locked to the battery compartment by the locking structure of the ejection assembly.
Of course, in the cleaning tool, the top surface 52 of the battery pack 5 may also be provided with a display element for displaying the battery level and/or the operating state.
Similarly, the battery pack 5 is arranged in the battery compartment 12 in a direction perpendicular to the end face 11.
The longitudinal extension direction of the battery pack 5 coincides with the detachable direction of the battery pack 5.
The cross-sectional area of the end face 11 is 2.5 times or more the cross-sectional area of the battery pack 5 or the area of the end face.
The cross-sectional area or end surface area of the battery pack 5 is not greater than the cross-sectional area of the grip portion 2.
In addition, in the cleaning tool, the attaching and detaching direction axis L1 of the battery pack 5 is substantially parallel to the longitudinal axis L3 of the grip portion 2, so that the user can attach and detach the battery more easily and operate the cleaning tool more conveniently.
The number of the battery compartment 12 and the number of the battery packs 5 are two, and one battery compartment 12 accommodates one battery pack 5.
In a state where the battery packs 5 are connected to the battery compartment 12, the two battery packs 5 are symmetrically arranged along the axial center line L of the power supply unit 1.
Specifically, the distance of the central axis 5 of the battery pack from the axial center line of the power supply portion 1 is m, and the value of m is 3cm or less. More preferably, m is within 2 cm.
As shown in fig. 12, the grip portion 2 is located behind the power supply portion 1 when viewed from a front view perpendicular to the working head 4, and the grip portion 2 at least partially covers any one of the battery packs 5.
The width W1 of the power supply section 1 is not more than 3 times the width W2 of the extension bar 3 as viewed from the front perpendicular to the working head 4.
So, can retrain the cross-section size of battery package 5 and the size of terminal surface 11, can effectively avoid power supply portion volume too big for the complete machine overall arrangement is more reasonable and light and handy, improves user experience and feels.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (23)
1. An electric power tool, characterized by comprising:
a power supply unit (1) having an end surface (11) and provided with at least one battery compartment (12) extending into the power supply unit (1);
a grip portion (2) adjacent to the power supply portion (1);
an extension rod (3) arranged between the holding part (2) and the working head (4);
the working head (4) is connected to one end of the extension rod (3) back to the power supply part (1);
at least one battery pack (5) connected to the battery compartment (12) in a freely detachable manner,
an alpha included angle is formed between the dismounting direction axis L1 of the battery pack (5) in the battery bin (12) and the extension direction axis L2 of the extension rod (3), and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
2. The power tool of claim 1, wherein the included angle α is 180 degrees or greater than 150 degrees and less than 170 degrees.
3. The electric power tool according to claim 1, wherein the battery pack (5) has a bottom surface (51) and a top surface (52) at both ends in the long axis direction thereof, the top surface (52) being adjacent to the end surface (11) in a state where the battery pack (5) is inserted into the battery case (12).
4. A power tool according to claim 3, characterized in that the top surface (52) of the battery pack (5) is provided with a display element for displaying the battery level and/or the operating state.
5. The power tool according to claim 1, wherein the number of the battery compartment (12) and the number of the battery packs (5) are two, and one battery compartment (12) accommodates one battery pack (5).
6. The power tool according to claim 1, wherein the battery pack (5) is disposed perpendicular to the end surface (11) in a freely detachable direction within the battery compartment (12).
7. The electric power tool according to claim 5, wherein the two battery packs (5) are symmetrically arranged along an axial center line L of the power supply portion (1) in a state where the battery packs (5) are connected to the battery compartment (12).
8. The electric power tool according to claim 5 or 7, wherein the distance from the central axis (5) of the battery pack to the axial center line of the power supply portion (1) is m, and the value of m is 3cm or less.
9. The power tool of claim 8, wherein m is a number within 2 cm.
10. The electric power tool according to claim 1, wherein the length extension direction of the battery pack (5) coincides with the detachable direction of the battery pack (5).
11. The power tool according to claim 1, wherein the cross-sectional area of the end face (11) is 2.5 times or more the cross-sectional area of the battery pack (5) or the area of the end face.
12. The power tool according to claim 1, wherein the cross-sectional area or the end surface area of the battery pack (5) is not larger than the cross-sectional area of the grip portion (2).
13. A grass trimmer, characterized by comprising:
a power supply unit (1) having an end surface (11) and provided with at least one battery compartment (12) extending into the power supply unit (1);
a grip portion (2) including a proximal grip (21) and a distal grip (22), the proximal grip (21) being disposed between the power supply portion (1) and the extension rod (3), the distal grip (22) being disposed in a manner deviating from an axial direction of a main body of the electric power tool;
the extension rod (3) is arranged between the near-end holding piece (21) and the working head (4);
the working head (4) is connected to one end of the extension rod (3) back to the power supply part (1);
at least one battery pack (5) connected to the battery compartment (12) in a freely detachable manner,
an alpha included angle is formed between the dismounting direction axis L1 of the battery pack (5) in the battery bin (12) and the extension direction axis L2 of the extension rod (3), and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
14. A lawnmower according to claim 13, wherein the proximal grip (21) and the power supply (1) extend coaxially.
15. A lawnmower according to claim 13, wherein the battery pack (5) is aligned with the axial extension of the proximal grip (21) in the direction of free access to the battery compartment (12).
16. A lawnmower according to claim 13, wherein the battery pack (5) has a length extending in the same direction as the axial extension of the proximal grip (21) in a state in which the battery pack (5) is connected to the battery compartment (12).
17. A lawnmower according to claim 13, wherein the number of battery compartments (12) and battery packs (5) is two, one battery compartment (12) accommodating one battery pack (5) and both battery packs being adapted to be released simultaneously in one release action.
18. A lawnmower according to claim 17, wherein the power supply (1) is further provided with an ejection assembly (6) for synchronously releasing the two battery packs, the ejection assembly (6) comprising:
an ejection trigger (61) provided on the surface of the power supply unit (1);
the locking structure comprises two buckling pieces (62) linked with the ejection trigger piece (61) and a groove (54) which is positioned on the side wall (53) of the battery pack and is suitable for being correspondingly buckled with the buckling pieces (62);
the ejection driving piece (64) is arranged at the bottom of the battery bin (12) and is in contact with the bottom surface (51) of the battery pack (5), when the battery pack (5) is connected to the battery bin (12), the ejection driving piece is in a compressed state, and when the battery pack (5) is released, the ejection driving piece is in an extended state.
19. A cleaning implement, comprising:
a power supply unit (1) having an end surface (11) and provided with at least one battery compartment (12) extending into the power supply unit (1);
a grip portion (2) adjacent to the power supply portion (1);
an extension rod (3) arranged between the holding part (2) and the working head (4);
the working head (4) is connected to one end of the extension rod (3) back to the power supply part (1);
at least one battery pack (5) connected to the battery compartment (12) in a freely detachable manner,
an alpha included angle is formed between the dismounting direction axis L1 of the battery pack (5) in the battery bin (12) and the extension direction axis L2 of the extension rod (3), and the alpha included angle is larger than 90 degrees and smaller than or equal to 180 degrees.
20. The cleaning implement of claim 19, wherein the battery pack removal direction axis L1 is substantially parallel to the longitudinal axis L3 of the grip portion (2).
21. A cleaning implement according to claim 19, characterized in that the number of battery compartments (12) and battery packs (5) is two, one battery compartment (12) accommodating one battery pack (5).
22. A cleaning tool according to claim 21, characterized in that the grip part (2) is located behind the power supply part (1) as seen in a front view perpendicular to the working head (4), and the grip part (2) at least partially covers any one of the battery packs (5).
23. The cleaning tool according to claim 21, wherein the width W1 of the power supply section (1) is not more than 3 times the width W2 of the extension rod (3) as viewed from a front view direction perpendicular to the working head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586627.1U CN216218791U (en) | 2021-07-13 | 2021-07-13 | Grass trimmer, cleaning tool and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586627.1U CN216218791U (en) | 2021-07-13 | 2021-07-13 | Grass trimmer, cleaning tool and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216218791U true CN216218791U (en) | 2022-04-08 |
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ID=80980030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121586627.1U Active CN216218791U (en) | 2021-07-13 | 2021-07-13 | Grass trimmer, cleaning tool and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216218791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274326A1 (en) | 2021-06-29 | 2023-01-05 | 浙江齐享科技有限公司 | Energy storage power supply and energy storage device |
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2021
- 2021-07-13 CN CN202121586627.1U patent/CN216218791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274326A1 (en) | 2021-06-29 | 2023-01-05 | 浙江齐享科技有限公司 | Energy storage power supply and energy storage device |
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