CN114365616B - Hand-push type electric tool - Google Patents
Hand-push type electric tool Download PDFInfo
- Publication number
- CN114365616B CN114365616B CN202111660987.6A CN202111660987A CN114365616B CN 114365616 B CN114365616 B CN 114365616B CN 202111660987 A CN202111660987 A CN 202111660987A CN 114365616 B CN114365616 B CN 114365616B
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- hand
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- type electric
- starting
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- 230000004913 activation Effects 0.000 claims description 20
- 238000005286 illumination Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 208000012260 Accidental injury Diseases 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 241001494496 Leersia Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/82—Other details
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
- E01H5/08—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
- E01H5/09—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
- E01H5/094—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels about vertical or substantially vertical axises
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Harvester Elements (AREA)
Abstract
A hand propelled power tool comprising: a chassis; wheels for supporting the chassis and rotating relative to the chassis; the driving motor drives the wheels to rotate; the push rod is connected with the chassis and extends along the first axis; the handle is used for pushing the hand-push type electric tool by a user, is connected to the free end of the push rod, is arranged on a first plane where the handle is positioned and is angled to the first axis, and is provided with a holding part for the user to hold and a connecting part for connecting the holding part and the push rod; the starting trigger is used for being operated by a user to start the driving motor, the starting trigger is rotatably arranged on the handle around a pivot, the starting trigger is at least partially arranged below the holding part in a protruding mode, and the pivot is perpendicular to the first plane. Only when the user consciously drives the hand roll to hold the holding part and presses the starting trigger upwards, the hand-push type electric tool can be automatically pushed forwards under the action of the driving motor, and the defects of the prior art are overcome.
Description
[ Technical field ]
The invention relates to a hand-push type electric tool.
[ Background Art ]
The hand-push type electric tool comprises a driving motor and wheels, wherein the driving motor drives the wheels to rotate, so that the hand-push type electric tool walks on the ground, a self-propelling function is realized, and the resistance faced by hand pushing is overcome for a user. The hand-push type electric tool comprises a handle, the handle is generally arranged at the rear of the hand-push type electric tool, and a user holds the handle at the rear of the hand-push type electric tool to control a driving motor, so that wheels are rotated to drive the hand-push type electric tool to advance. Mowers and snow throwers are common hand propelled power tools.
In the conventional hand-push type electric tool, a starting trigger for controlling a driving motor is generally provided on a handle and is embossed on the surface of the handle for convenience of user operation, so that a user can walk the hand-push type electric tool only by slightly putting the handle on the starting trigger. However, this also presents a problem in that the user may inadvertently touch the hand-held power tool, which may walk the hand-held power tool forward, possibly striking a hard object to damage the tool, or striking a nearby person to injure the person.
In view of the foregoing, it is desirable to provide an improved hand-propelled power tool that overcomes the shortcomings of the prior art.
[ Summary of the invention ]
Aiming at the defects of the prior art, the invention aims to provide a hand-push type electric tool which can avoid accidental injury caused by walking due to unintentional triggering of a user.
The technical scheme adopted for solving the problems in the prior art is as follows:
a hand propelled power tool comprising:
A chassis;
wheels for supporting the chassis and rotating relative to the chassis;
the driving motor drives the wheels to rotate;
A pushrod coupled to the chassis, the pushrod extending along a first axis;
The hand-push type electric tool comprises a handle, a first axis and a second axis, wherein the handle is used for pushing the hand-push type electric tool by a user, the handle is connected to the free end of a push rod, a first plane where the handle is located is arranged at an angle with the first axis, and the handle is provided with a holding part for the user to grasp and a connecting part for connecting the holding part with the push rod;
The starting trigger is operated by a user to start the driving motor, the starting trigger is rotatably arranged on the handle around a pivot, the starting trigger is at least partially arranged below the holding part in a protruding mode, and the pivot is perpendicular to the first plane.
The further improvement scheme is as follows: the pivot is arranged in the connecting part, the other part of the starting trigger is convexly arranged on the side edge of the connecting part, and the starting trigger is L-shaped or arc-shaped and arranged in an included angle area formed by the holding part and the connecting part.
The further improvement scheme is as follows: the handle is provided with two holding parts which are symmetrical with respect to a symmetry plane; the hand-push type electric tool comprises two starting triggers, wherein the two starting triggers are symmetrical with respect to the symmetry plane.
The further improvement scheme is as follows: the hand-push type electric tool further comprises a starting switch, wherein the starting switch can be controlled by the starting trigger to start the driving motor, and the starting switch is electrically connected with the driving motor; the starting switch is arranged in the handle.
The further improvement scheme is as follows: the hand-push type electric tool further comprises an operation platform connected to the tail end of the push rod, a speed regulating piece is arranged on the operation platform, and the speed regulating piece controls the running speed of the driving motor.
The further improvement scheme is as follows: the hand-push type electric tool further comprises a working motor and a working trigger, wherein the working motor is used for driving a working accessory, the working trigger is used for starting the working motor, and the working trigger is arranged on one side, close to the push rod, of the handle.
The further improvement scheme is as follows: the grip, the activation trigger, and the work trigger can be simultaneously held by a single hand of a user.
The further improvement scheme is as follows: the hand-push type electric tool comprises an operation platform connected to the tail end of the push rod, and further comprises a switchboard switch arranged on the operation platform, wherein the working trigger can start the working motor when the switchboard switch is connected.
The further improvement scheme is as follows: the operation platform is also provided with a state display screen and an illumination switch, the state display screen marks the states of the residual electric quantity, the motor temperature, the fault alarm and the like of the hand-push type electric tool, and the illumination switch is used for controlling an illumination lamp arranged at the front part of the mower.
The further improvement scheme is as follows: the hand-push type electric tool is a mower or a snowplow.
Compared with the prior art, the application has the following beneficial effects: the hand-push type electric tool provided by the application has the advantages that the starting trigger is at least partially arranged below the holding part in a protruding manner, so that the hand-push type electric tool can be automatically pushed forward under the action of the driving motor only when a user consciously drives the hand roll to hold the holding part and presses the starting trigger upwards, and the pivot of the starting trigger is perpendicular to the first plane, so that the starting trigger cannot be touched even if the user unconsciously touches the hand-push type electric tool, and the defects of the prior art are overcome.
[ Description of the drawings ]
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:
FIG. 1 is a schematic perspective view of a hand-push type electric tool according to a preferred embodiment of the present invention;
FIG. 2 is a schematic bottom view of the hand propelled power tool of FIG. 1;
FIG. 3 is a schematic view of the hand propelled power tool of FIG. 1 with a portion of the assembly removed;
FIG. 4 is a schematic perspective view of a control assembly of the hand-propelled power tool of FIG. 1;
FIG. 5 is a partially exploded schematic illustration of the control assembly shown in FIG. 4;
fig. 6 is an exploded view of another portion of the control assembly shown in fig. 4.
Meaning of reference numerals in the drawings:
100. Mower 1, chassis 11 and air duct
12. Cutting cavity 2, rear wheel 3, push rod
31. Inner tube 32, outer tube 33, and shrinkage control assembly
4. Trigger for actuating grip portion 410 of handle 41
411. Through hole 43, pivot 431 and base
44. Elastic member 45, connecting portion 46, and start switch
47. Coupling portion 48, handle housing 5, and operation platform
51. Speed regulating part 53, state display screen 55 and switchboard switch
57. Illumination toggle 6, working trigger 61, and support
7. Mowing blade 8, battery pack receiving housing
Detailed description of the preferred embodiments
The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "front", "rear", etc., indicating an azimuth or a positional relationship are based on only the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
Referring to fig. 1-3 and 5, a hand-propelled power tool according to the present invention is shown in the preferred embodiment as a mower 100, but in other embodiments, the hand-propelled power tool may be other hand-propelled power tools such as a snowplow or a cart.
In this embodiment, the mower 100 comprises a chassis 1, wheels, a drive motor (not shown), a push rod 3, a handle 4 and a starting trigger 410; wherein the chassis 1 serves as a main supporting structure of the mower 100, and the parts are assembled into a whole; the wheels are used for supporting the chassis 1, and the wheels rotate relative to the chassis 1 so as to enable the chassis 1 to move on the ground; the driving motor is used for driving the wheels to rotate and is mounted to the chassis 1; mower 100 further comprises a transmission mechanism connected to the drive motor and the wheels for transmitting power of the drive motor to the wheels; the push rod 3 is connected to the chassis 1, and the push rod 3 extends along a first axis (not shown); the user can push the mower 100 by pushing the handle 4, the handle 4 is connected to the free end of the push rod 3, a first plane where the handle 4 is positioned is arranged at an angle with the first axis, the handle 4 is provided with a holding part 41 for the user to hold, and a connecting part 45 for connecting the holding part 41 and the push rod 3; the trigger 410 is rotatably disposed on the handle 4 about a pivot 43, the trigger 410 is at least partially disposed under the grip portion 41 in a protruding manner, and the pivot 43 is perpendicular to the first plane of the handle 4.
The handle 4 and the push rod 3 are arranged at an angle, so that a first plane straight-face user where the handle 4 is located improves the accessibility of the whole mower 100, and the experience effect of man-machine interaction is improved. Since the trigger 410 is at least partially protruded below the grip 41, the hand-push type electric tool can be automatically pushed forward by the driving motor only when the user consciously drives the hand roll to grip the grip 41 and presses the trigger 410 upward; moreover, since the pivot 43 of the trigger 410 is perpendicular to the first plane, even if the user unintentionally touches the trigger 410, the trigger 410 cannot be touched to start the driving motor, so that the mower 100 provided by the preferred embodiment overcomes the defect that the trigger 410 is easily unintentionally triggered and may cause accidental injury in the prior art.
The pivot 43 is disposed in the connecting portion 45, another portion of the trigger 410 is disposed on a side of the connecting portion 45 in a protruding manner, and the trigger 410 is disposed in an L-shape or in an arc shape in an included angle area formed by the grip portion 41 and the connecting portion 45. The bottom of the grip portion 41 and the side of the connecting portion 45 are provided with receiving holes for receiving the activation trigger 410, and the activation trigger 410 rotates about the pivot 43.
With continued reference to fig. 1-3, the push rods 3 are arranged in a pair on the same side of the chassis 1, and the two push rods 3 are arranged parallel to each other, in this embodiment, each push rod 3 includes an inner tube 31 and an outer tube 32, and the inner tube 31 can be retracted into the outer tube 32 to be accommodated, so as to reduce the space occupied by the mower 100. The mower 100 further comprises a retraction control assembly 33 of the push rod 3 for controlling the telescopic operation of the inner tube 31 relative to the outer tube 32 and linking the operation with a safety switch to meet the requirements of the safety operation. The inventor has filed a patent application before the present application, and can refer to the patent specification before the date of the present application to obtain relevant information, which is not repeated here.
The wheels of the mower 100 comprise a front wheel and a rear wheel 2, and the mower 100 provided in the preferred embodiment is driven by the rear wheel 2, i.e. a driving motor is connected with the rear wheel 2. Of course, in other embodiments, the front wheels may be provided as drive wheels.
In the present embodiment, the handle 4 is provided with two grip portions 41, the two grip portions 41 being symmetrical about a plane of symmetry, and the mower 100 comprises two activation triggers 410, the two activation triggers 410 being symmetrical about the plane of symmetry. In the present embodiment, the two holding portions 41 are connected to each other in a straight shape, and each holding portion 41 and the connecting portion 45 on the adjacent side form an L-shape or an arc shape, respectively, and the entire handle 4 presents a rectangular-like plane to the user. Of course, in other embodiments, the handle 4 may be provided with the grip portion 41 and the connecting portion 45 which are provided separately on the left and right sides and are symmetrical with respect to the symmetry plane, and the two grip portions 41 are not connected to each other.
With continued reference to fig. 5, the pivot 43 is disposed in the connecting portion 45, another portion of the activation trigger 410 is convexly disposed at a side of the connecting portion 45, and the activation trigger 410 is L-shaped and disposed in an angle area formed by the grip portion 41 and the connecting portion 45. The trigger 410 is partly located the below of portion 41 of gripping, and another part is located the side of connecting portion 45, and wholly in the contained angle region that portion 41 and connecting portion 45 formed, so, the trigger 410 laminating handle 4 itself's shape design of starting for handle 4 molding is more pleasing to the eye, and the comfort level of gripping is higher. In this embodiment, the handle 4 is fastened and locked by two half shells through fasteners, the handle shell 48 is injection molded, the pivot 43 is convexly arranged on one half of the handle 4 shells, and the end of the pivot 43 near the handle 4 shells is provided with a base 431 for supporting. The end of the trigger 410 near the pivot 43 is provided with a through hole 411, and the trigger 410 is sleeved on the pivot 43 through the through hole 411 so as to rotate on a plane parallel to the first plane around the pivot 43. The pivot 43 is provided with an elastic member 44, and in the present embodiment, the elastic member 44 is a spring provided between the base 431 of the pivot 43 and the end of the trigger 410.
Referring to fig. 4-6, mower 100 has a control assembly removably positionable as a whole with respect to push rod 3, the control assembly including a coupling portion 47 for mating connection with inner tube 31, coupling portion 47 connecting push rod 3 and handle 4, and coupling portion 45 being located at the end of handle 4 closest to push rod 3. The control assembly is used for controlling the mower 100, and besides the starting trigger 410, the control assembly further comprises a starting switch 46, the starting switch 46 can be controlled by the starting trigger 410 to start a driving motor, the starting switch 46 is electrically connected with the driving motor, and the starting switch 46 is arranged in the handle 4. In the present embodiment, the activation switch 46 is housed in the handle 4 housing and is located at the other end of the activation trigger 410 remote from the pivot 43. In the normal state, the elastic member 44 is naturally located between the base 431 of the pivot 43 and one end of the pivot 43, and the activation trigger 410 is suspended outside the housing of the handle 4 without contact with the activation switch 46. When it is desired to activate the drive motor to provide forward power to mower 100, the user is required to manually grip portion 41 and push trigger 410 upward with the four finger web to pivot upward against the tension of resilient member 44 to trigger activation switch 46. During forward advancement of mower 100, the user is required to push trigger 410 all the way to maintain the on state of trigger 46, and once the user releases his hand, trigger 410 is reset under the force of resilient member 44 to disconnect the connection with trigger 46. Such operation is also for safety reasons, as the work environment of the mower 100 is typically on a lawn, which is typically a child, small animal, and which would tend to cause a safety accident if the mower 100 were to walk straight forward without a person.
It should be noted that, corresponding to the grip portion 41, the connecting portion 45, and the activation trigger 410, the pivot 43, the elastic member 44, and the activation switch 46 are also provided in two, and are also symmetrical about the symmetry plane. In general, the user holds the holding portion 41 with both hands and then activates the trigger 410, but in this embodiment, the mower 100 can be powered forward by only holding one of the holding portions 41 with one hand and activating the trigger 410, so that the user who is left-handed can operate with one hand conveniently, and the user can leave one hand for answering a call or performing other operations while pushing the mower 100.
Referring to fig. 4 and 6, the hand-push type electric tool further includes an operation platform 5 connected to the end of the push rod 3, and the control assembly includes other control structures disposed on the operation platform 5, such as a speed regulating member 51, where the speed regulating member 51 controls the running speed of the driving motor. In the present embodiment, the speed regulating member 51 is provided in the form of a speed regulating knob, and a user can regulate the advancing speed of the mower 100 by rotating clockwise or counterclockwise. The speed regulating member 51 is electrically connected to the driving motor.
With continued reference to fig. 2, the mower 100 further comprises a working attachment 7, in the preferred embodiment a mower blade 7, and a working motor, the chassis 1 is formed with a cutting cavity 12, the cutting cavity 12 accommodates the mower blade, the mower blade 7 rotating within the cutting cavity 12. The work motor drives the mowing blade 7 to perform a mowing task. Of course, when the hand propelled power tool is a snowplow, the working attachment is a snow breaker. In addition, the chassis 1 further comprises an air duct 11 arranged around the cutting cavity 12, the air duct 11 is in a turbine shape, the small diameter of the air duct 11 is communicated with the cutting cavity 12, and the large diameter is communicated with a grass collecting box (not shown in the figure). When the mowing blade 7 is driven by the working motor to rotate, negative pressure is formed in the cutting cavity 12, so that cut grass scraps are sucked into the cutting cavity 12, enter the air duct 11 along with the small diameter, and then enter the grass collecting box along with the spiral of the air duct 11 along with the large diameter.
The working motor (not shown) may be an electric motor or an internal combustion engine powered by fuel combustion. The chassis 1 carries a work motor. In the preferred embodiment, the work motor is an electric motor.
Referring to fig. 3, mower 100 further comprises a battery pack that provides power to the work motor as well as to the drive motor. In other embodiments, the working motor may be omitted and the working attachment 7 may be driven by a driving motor. In the present embodiment, the battery pack receiving housing 8 and the battery pack can be detached integrally from the chassis 1 of the mower 100, and the battery pack receiving housing 8 includes a cover to protect the battery pack from rain.
Referring to fig. 3-6, the control assembly of the mower 100 further includes a working trigger 6 for activating the working motor, the working trigger 6 being provided on the side of the handle 4 near the push rod 3, as before, the working trigger 6 also supports one-handed operation, i.e., can be provided on the front side of the left grip 41 or the right grip 41 only near the push rod 3. However, in the present embodiment, the working trigger 6 is of an integral frame-type structure, the working trigger 6 includes a support portion 61, the support portion 61 is rotatably supported in the housing of the operation platform 5, and the working trigger 6 is rotatable about the support portion 61 as a pivot axis to a position close to the handle 4. In the present embodiment, a restoring member is provided between the support portion 61 and the housing of the operation platform 5, and this restoring member causes the operation trigger 6 to have a movement tendency to be restored in a direction away from the handle 4.
The control unit further includes a drive switch (not shown) in contact with the work trigger 6, and when the work trigger 6 is rotated about the pivot shaft (the support portion 61) to a position close to the handle 4, the drive switch is triggered and accommodated in the operation platform 5.
The grip portion 41, the activation trigger 410, and the working trigger 6 described above can be simultaneously held by one hand of the user. Thus, when the user holds the handle 4 with the palm, the palm of the user is opposite to the holding portion 41, and the user holds the work trigger 6 and the activation trigger 410 with the fingers, so that the mower 100 can move at a constant speed toward the target grass and mow while advancing. The two independent actions are held and operated by one hand, so that the user can conveniently leave the other hand to answer the call or do other things. Of course, it is not necessary to operate the work trigger 6 and the activation trigger 410 simultaneously, such as when a return is required to complete a mowing operation, the activation trigger 410 is only operated to return the mower 100 to the storage space with little effort, or in a relatively flat area, the mowing operation is performed by operating the work trigger 6 only.
The mower 100 further comprises a main switch 55 provided on the operation platform 5, and the working trigger 6 can start the working motor when the main switch 55 is turned on. The mowing blade 7 must be operated when the mains switch 55 and the working trigger 6 are simultaneously triggered, for safety reasons, while the activation trigger 410 is triggered when the mains switch 55 is on, and there are different options.
The operation platform 5 is further provided with an illumination switch, in this embodiment, the illumination switch is set as an illumination toggle 57, and the illumination toggle 57 is electrically connected with an illumination lamp disposed in front of the mower 100, and is used for controlling the illumination lamp to be turned on or off, so that under a dim visual field condition, an illumination area is enlarged through the use of the illumination lamp, and mowing operation is continuously completed.
The operation platform 5 is also provided with a status display screen 53, and the status display screen 53 indicates the conditions of residual electric quantity, motor temperature, fault alarm and the like of the mower 100. The status display 53 facilitates the user to intuitively grasp the overall condition of the mower 100 and to make corresponding adjustments in time according to abnormalities.
In summary, the present invention describes a hand-propelled electric tool using the direct-current mower 100 as an example, and the structure of the handle 4 of the mower 100 is greatly different from the prior art, so as to avoid the risk of sudden forward movement of the machine caused by unintentional triggering of the starting trigger 410, and in addition, the handle 4 is exquisite in design, can be operated by one hand or can be held by both hands, thereby improving the accessibility of the whole mower and improving the use feeling of users. Of course, when the hand-push type electric tool according to the present invention is a snow pusher, all the above structures and the advantageous effects thereof are equally applicable.
The present invention is not limited to the above-described embodiments. Those skilled in the art will readily appreciate that many alternatives to the hand-propelled power tool of the present invention are possible without departing from the spirit and scope of the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A hand propelled power tool, comprising:
A chassis;
wheels for supporting the chassis and rotating relative to the chassis;
the driving motor drives the wheels to rotate;
A push rod connected to the chassis, the push rod extending along a first axis and comprising an inner tube and an outer tube, the inner tube being retractable into the outer tube for stowing;
The hand-push type electric tool comprises a handle, a first axis and a second axis, wherein the handle is used for pushing the hand-push type electric tool by a user, the handle is connected to the free end of a push rod, a first plane where the handle is located is arranged at an angle with the first axis, and the handle is provided with a holding part for the user to grasp and a connecting part for connecting the holding part with the push rod;
The starting trigger is used for being operated by a user to start the driving motor, the starting trigger is rotatably arranged on the handle around a pivot, the pivot is arranged in the connecting part, one part of the starting trigger is convexly arranged below the holding part, the other part of the starting trigger is convexly arranged on the side edge of the connecting part, and the pivot is perpendicular to the first plane.
2. The hand propelled power tool of claim 1, wherein: the starting trigger is L-shaped or arc-shaped and is arranged in an included angle area formed by the holding part and the connecting part.
3. The hand propelled power tool of claim 1, wherein: the handle is provided with two holding parts which are symmetrical with respect to a symmetry plane; the hand-push type electric tool comprises two starting triggers, wherein the two starting triggers are symmetrical with respect to the symmetry plane.
4. The hand propelled power tool of claim 1, wherein: the hand-push type electric tool further comprises a starting switch, wherein the starting switch can be controlled by the starting trigger to start the driving motor, and the starting switch is electrically connected with the driving motor; the starting switch is arranged in the handle.
5. The hand propelled power tool of claim 1, wherein: the hand-push type electric tool further comprises an operation platform connected to the tail end of the push rod, a speed regulating piece is arranged on the operation platform, and the speed regulating piece controls the running speed of the driving motor.
6. The hand propelled power tool of claim 1, wherein: the hand-push type electric tool further comprises a working motor and a working trigger, wherein the working motor is used for driving a working accessory, the working trigger is used for starting the working motor, and the working trigger is arranged on one side, close to the push rod, of the handle.
7. The hand propelled power tool of claim 6, wherein: the grip, the activation trigger, and the work trigger can be simultaneously held by a single hand of a user.
8. The hand propelled power tool of claim 7, wherein: the hand-push type electric tool comprises an operation platform connected to the tail end of the push rod, a switchboard switch is arranged on the operation platform, and the working trigger can start the working motor when the switchboard switch is connected.
9. The hand propelled power tool of claim 8, wherein: the operation platform is also provided with a state display screen and an illumination switch, the state display screen marks the states of the residual electric quantity, the motor temperature, the fault alarm and the like of the hand-push type electric tool, and the illumination switch is used for controlling an illumination lamp arranged at the front part of the hand-push type electric tool.
10. The hand propelled power tool of claim 1, wherein: the hand-push type electric tool is a mower or a snowplow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660987.6A CN114365616B (en) | 2021-12-30 | 2021-12-30 | Hand-push type electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660987.6A CN114365616B (en) | 2021-12-30 | 2021-12-30 | Hand-push type electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114365616A CN114365616A (en) | 2022-04-19 |
| CN114365616B true CN114365616B (en) | 2024-05-24 |
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ID=81142810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111660987.6A Active CN114365616B (en) | 2021-12-30 | 2021-12-30 | Hand-push type electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114365616B (en) |
Citations (8)
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| WO2020088195A1 (en) * | 2018-10-29 | 2020-05-07 | Tti (Macao Commercial Offshore) Limited | Mower |
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| Publication number | Publication date |
|---|---|
| CN114365616A (en) | 2022-04-19 |
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