WO2023071798A1 - 后走式动力工具 - Google Patents

后走式动力工具 Download PDF

Info

Publication number
WO2023071798A1
WO2023071798A1 PCT/CN2022/124869 CN2022124869W WO2023071798A1 WO 2023071798 A1 WO2023071798 A1 WO 2023071798A1 CN 2022124869 W CN2022124869 W CN 2022124869W WO 2023071798 A1 WO2023071798 A1 WO 2023071798A1
Authority
WO
WIPO (PCT)
Prior art keywords
power tool
display
walk
assembly
walking
Prior art date
Application number
PCT/CN2022/124869
Other languages
English (en)
French (fr)
Inventor
冯继丰
鲜超
陈哲
山冈敏成
张棋
付世昌
Original Assignee
南京泉峰科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202111284012.8A external-priority patent/CN116058157A/zh
Priority claimed from CN202123106186.3U external-priority patent/CN217462778U/zh
Priority claimed from CN202221939497.XU external-priority patent/CN217722067U/zh
Application filed by 南京泉峰科技有限公司 filed Critical 南京泉峰科技有限公司
Priority to EP22885677.9A priority Critical patent/EP4295659A1/en
Publication of WO2023071798A1 publication Critical patent/WO2023071798A1/zh
Priority to US18/470,206 priority patent/US20240008399A1/en

Links

Images

Classifications

    • 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

Definitions

  • the present application relates to a power tool, in particular to a rear walking power tool.
  • the rear-walking power tool can be a machine for the user to perform garden work, specifically a lawnmower or a snowplow, which can work in grassland, snow and other environments, and has a pushable function.
  • Back-walking power tools on the market generally use one or more separate buttons to control various functions of the machine. Many back-walking power tools cannot prompt the user of the current working mode of the working machine, and the user needs to obtain information through long-term operation. Experience judges the working state of the working machine. For example, for some lawn mowers, after the user adjusts the blade speed of the lawn mower, he can only judge that the blade has been adjusted to an appropriate speed by hearing the louder sound of the lawn mower. Users need to accumulate a certain amount of operating experience, which may not be possible for users who use machine tools less frequently or less frequently. There are also some backward-walking power tools that feed back the working status information of the working machine to the user in the form of one by one relatively independent indicator lamps being lit or extinguished.
  • the purpose of this application is to provide a display for rear-walking power tools that can display information in a centralized manner. Obtain the work information of the work machine.
  • a rear-walking power tool including: a host, including a walking assembly and a driving assembly for driving the walking assembly; a handle device, including a grip for the user to hold
  • the connecting rod assembly connects the host and the handle device; wherein, the rear-walking power tool also includes a display, and the display can display information related to the rear-walking power tool.
  • the display is configured to be slidably and/or rotatably connected to the handle device.
  • the rear-propelled power tool also includes a self-propelled mode switch, which can adjust the rear-propelled power tool to the self-propelled mode.
  • the self-propelled mode the rear-propelled power tool can The amount of thrust applied regulates the self-propelled speed.
  • the rear travel power tool further includes a blade mode switch that controls the rotational speed of the blades of the rear travel power tool.
  • the self-propelled mode information of the rear-propelled power tool is displayed on the display.
  • blade mode information for the rear travel power tool is displayed on the display.
  • light information for the rear walk power tool is displayed on the display.
  • the battery information of the walk-behind power tool is displayed on the display.
  • fault information of the rear travel power tool is displayed on the display.
  • the walk-behind power tool is connected to the user's electronic device through Bluetooth, and displays the information of the electronic device on the display.
  • the display is detachably connected to the handle device.
  • the handle device includes a switch box, and electronic components for controlling the working state of the working element are arranged in the switch box.
  • the display is configured to be slidably or rotatably connected to the handle device.
  • only one side of the display is connected to the handle arrangement.
  • the display includes a bottom at the bottom end, and the bottom of the display is connected to the switch box.
  • the display includes a top at the top, and the top of the display is connected to the handle.
  • the display includes a display interface, the display interface is used to present the information of the rear walking power tool to the user, the display is viewed from a direction perpendicular to the display interface, the display has at least an upper boundary and a lower boundary, the upper boundary and the The lower boundary is substantially parallel, and the lower boundary is connected to the switch box.
  • the first mid-section plane is defined as a plane perpendicular to the paper, and the first mid-section plane extends along the left-right direction of the rear-moving power tool, and the grip portion along the first mid-section plane basically Symmetrical distribution;
  • the second middle split plane is defined as a plane perpendicular to the paper surface, and the second middle split plane extends along the left and right directions of the rear-moving power tool, and the displays are basically symmetrically distributed along the second middle split plane;
  • the first middle split plane The split plane is substantially parallel to the second median split plane.
  • the included angle between the first mid-section plane and the second mid-section plane is less than or equal to 45 degrees.
  • the rear-walking power tool further includes a telescopic rod assembly, which can be telescopically adjusted, the telescopic rod assembly connects the main unit and the handle device, and the second split plane is substantially perpendicular to the telescopic rod assembly.
  • the rear walk power tool is a lawn mower.
  • a rear-walking power tool including: a host, including a walking assembly and a driving assembly for driving the walking assembly; a handle device, including a gripping portion for the user to hold; a connecting rod assembly, The host is connected to the handle device; the rear-walking power tool also includes a display that can display information related to the rear-walking power tool, and the display is configured to be slidably and/or rotatably connected to the handle device.
  • a rear-walking power tool including: a host, including a walking assembly and a driving assembly for driving the walking assembly; a handle device, including a gripping portion for the user to hold; a connecting rod assembly, The main unit is connected with the handle device; the rear-walking power tool also includes a monitor, which can display information related to the rear-walking power tool, and only one side of the monitor is connected with the handle device.
  • a rear-walking power tool including: a motor; a holding device for the user to hold; a telescopic rod assembly that can be extended or shortened, and the telescopic rod assembly includes a first Two telescopic rod assemblies;
  • the rear-walking power tool also includes a locking device, and the locking device includes: a locking assembly, including a first locking assembly and a second locking assembly, the first locking assembly and the second locking assembly are respectively It is used to lock or loosen the first telescopic rod assembly and the second telescopic rod assembly;
  • the locking rod connects the first locking assembly and the second locking assembly, and the first locking assembly and the second locking assembly are respectively located in the lock
  • the operating part is located on the locking rod for the user to operate the locking assembly, and the locking device includes at least one operating part. When the user operates the operating part, the first telescopic rod assembly and the second telescopic rod assembly Both are locked or loosened together.
  • the locking assembly includes: a locking member driven by the locking rod, and the locking member generates displacement along the axial direction of the locking rod.
  • the locking assembly further includes: a second rotating member, the second rotating member includes a first rotating part and a second rotating part, the first rotating part is driven to rotate by the locking lever, the second rotating part is connected with the locking Cooperate with the third rotating part of the locking part to drive the locking part to move.
  • the locking assembly further includes a second elastic member, which is accommodated in an accommodation space, and when the second elastic member is deformed under pressure, the second elastic member exerts a certain frictional force on the telescopic rod assembly , to prevent the length of the telescopic rod assembly from changing.
  • a rear-walking power tool including: a host, including working elements for realizing the functions of the rear-walking power tool; The rear side of the power tool is operated backward; the operating device includes a switch box, and electronic components for controlling the working state of the working components are arranged in the switch box; the rear-walk power tool also includes: a first installation part arranged on the switch box , and a second installation part detachably connected with the first installation part, the second installation part is connected or formed on the accessory.
  • the operating device further includes a handle for the user to push the walk-back power tool to walk, and the switch box is fixed to the handle.
  • the handle includes: a gripping portion for the user to hold; and a connecting rod connecting the gripping portion and the host; one end of the switch box is fixed to the gripping portion, and the other end is fixed to the connecting rod.
  • the first installation part and the second installation part are snap-fit connections.
  • the first mounting part is a mounting hole opened on the switch box, and the second mounting part is provided with a buckle matched with the mounting hole.
  • the first mounting part is a buckle provided on the switch box, and the second mounting part is provided with a mounting hole matched with the buckle.
  • the second mounting part is a mounting plate, and the mounting plate is snap-connected with the first mounting part.
  • the mounting plate and the accessories are detachably connected by screws.
  • the accessory includes one of a storage box, a cell phone holder, a cup holder, and a fan.
  • the gripping portion includes a first gripping portion and a second gripping portion that are connected, and the first gripping portion and the second gripping portion are symmetrical about a symmetry plane, and the mobile phone holder is located on the first gripping portion. part and the second grip part.
  • Fig. 1 is a perspective view of a walking-back power tool
  • Fig. 2 is a three-dimensional schematic view of the display, handle device and part of the connecting rod assembly of the rear-walking power tool in Fig. 1 at a certain viewing angle;
  • Fig. 3 is a three-dimensional schematic view of the display, handle device and part of the connecting rod assembly of the rear-walking power tool in Fig. 2 from another perspective;
  • Fig. 4 is a partially enlarged view of the display and function buttons of the rear-walking power tool in Fig. 3;
  • Fig. 5 is a schematic diagram of a display in a rear-walking power tool as an embodiment
  • FIG. 6 is an exploded view of the display structure in FIG. 5 at a certain viewing angle
  • Fig. 7 is a partial assembly schematic view of the display under another viewing angle
  • Fig. 8 is a partially enlarged view of the buckle on the display in Fig. 4;
  • FIG. 9 is an exploded view of the display in FIG. 4 as an embodiment at a certain viewing angle
  • Fig. 10 is an exploded view of the display in Fig. 4 under another viewing angle
  • Fig. 11 is a schematic diagram of the light guide part of the display in Fig. 9 and Fig. 10;
  • Figure 12 is an exploded view of a display as an embodiment
  • Figure 13 is a side cross-sectional view of the display shown in Figures 9 and 10;
  • Fig. 14 is a three-dimensional schematic diagram of a length-adjustable telescopic rod structure
  • Fig. 15 is an exploded view of the telescopic rod structure in a certain viewing angle as the first embodiment
  • Fig. 16 is a schematic perspective view of the locking assembly in Fig. 15 when it is in a first state
  • Fig. 17 is a side sectional view of the locking assembly in Fig. 15 when it is in a first state;
  • Figure 18 is an exploded view of the locking lever and the first locking assembly in Figure 16;
  • Fig. 19 is a schematic diagram of the locking lever and the operating member in Fig. 15;
  • Figure 20 is a partial schematic view of an embodiment of the locking lever
  • Fig. 21 is a side sectional view when the locking rod in the telescopic structure in Fig. 20 cooperates with the first rotating member;
  • Fig. 22 is an exploded view of the structure of the telescopic rod as the second embodiment
  • Fig. 23 is an exploded view of the locking lever and the first locking assembly in Fig. 22 at a certain viewing angle;
  • Fig. 24 is an exploded view of the locking lever and the first locking assembly in Fig. 22 under another viewing angle;
  • Fig. 25 is a side sectional view of the locking assembly in Fig. 22 when it is in the first state;
  • Fig. 26 is a side sectional view of the locking assembly in Fig. 22 when it is in the first state;
  • Fig. 27 is a schematic diagram when the operating handle in Fig. 14 is in another position
  • Fig. 28 is an exploded view as an embodiment of a telescoping rod assembly
  • Fig. 29 is a schematic diagram of a walking-back power tool
  • Fig. 30 is a schematic structural diagram of a rear-moving power tool provided by a specific embodiment of the present application.
  • Fig. 31 is a schematic structural diagram of an operating device provided in a specific embodiment of the present application.
  • Fig. 32 is a partial structural schematic diagram of an operating device provided in a specific embodiment of the present application.
  • Fig. 33 is a schematic diagram of the connection relationship between the storage box and the second installation part when the accessory provided in the specific embodiment of the application is a storage box;
  • Fig. 34 is a schematic structural diagram of a second installation part provided in a specific embodiment of the present application.
  • Fig. 35 is a structural schematic diagram 1 of the operating device when the accessory provided in the specific embodiment of the application is a mobile phone holder;
  • Fig. 36 is a second structural schematic diagram of the operating device when the accessory provided in the specific embodiment of the application is a mobile phone holder;
  • Fig. 37 is a schematic structural view of the operating device when the accessory provided in the specific embodiment of the application is a cup holder;
  • Fig. 38 is a side view of the rear-walking power tool in Fig. 1;
  • Figure 39 is a partial enlarged view of Figure 38;
  • Fig. 40 is a schematic diagram of a display of the rear-walking power tool of Fig. 1;
  • Lift 41 is a schematic diagram of the mounting structure for mounting the display on the handle device.
  • orientation or positional relationship indicated by the terms “upper”, “lower”, “left”, “right”, “front”, “rear” etc. are based on the Orientation or positional relationship is not necessarily the orientation relationship of the user during actual operation, but is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed in a specific orientation and operation, and therefore should not be construed as limiting the application.
  • first”, “second”, etc. are used for descriptive purposes only, or for distinguishing different structures or components, and should not be construed as indicating or implying relative importance.
  • Fig. 1 shows a walking-back power tool, specifically a lawn mower or a snowplow, which can work in garden environments such as grass and snow, and has a pushable function.
  • a lawn mower is taken as an example for introduction below.
  • the lawn mower 100 mainly includes a host 11 , a handle device 13 and a connecting rod assembly 12 .
  • the host machine 11 includes a walking assembly 111 and a driving assembly (not shown in the figure) for driving the walking assembly 111 .
  • the handle device 13 includes a grip portion 131 for the user to hold; the connecting rod assembly 12 connects the host 11 and the handle device 13 .
  • other rear-walking power tools such as snowplows may also include components such as the handle device 13 , the host 11 , the walking assembly 111 , and the gripping portion 131 .
  • the walking assembly is a wheel assembly.
  • the display 14 (see FIG. 2 ) is located on the handle device 13 and connected to the handle 131 . It should be noted that the position of the display 14 is not limited to being fixed on the handle device 13, and can also be set to be slidably or rotatably connected to the grip portion 131 of the handle device 13, such as adjusting the display 14 according to user needs.
  • the display 14 can also be set to be located on the connecting rod assembly 12 or on the host 11, and the specific position and connection method of the display 14 are not limited.
  • the lawn mower 100 includes a display switch 133 , and when the display switch 133 is activated, the display 14 is lit, and relevant information of the lawn mower 100 is displayed on the display 14 .
  • the lawn mower 100 involved in this embodiment includes a self-propelled mode switch 136, which can adjust the lawn mower 100 to a self-propelled mode.
  • the lawn mower 100 can adjust the self-propelled speed according to the size of the thrust applied by the user.
  • the self-propelled mode switch 136 the lawn mower 100 can also be adjusted to the hand-push mode. In the hand-push mode, the lawn mower 100 cannot walk independently, and only relies on the force exerted by the user to move.
  • the display switch 133 When the user triggers the display switch 133 to light up the display 14 , the current self-propelled mode information of the mower 100 is displayed on the display 14 .
  • the display 14 shows that the lawn mower 100 is changed from the hand-push mode to the self-propelled mode.
  • Self-propelled mode if the user triggers the self-propelled mode switch 136 to adjust the self-propelled mode of the lawn mower 100, for example, from the hand-push mode to the self-propelled mode, the display 14 shows that the lawn mower 100 is changed from the hand-push mode to the self-propelled mode. Self-propelled mode.
  • the lawn mower 100 of this embodiment includes a blade mode switch 134 to control the rotational speed of the blades of the lawn mower 100 .
  • the display 14 When the display 14 is on, press the blade mode switch 134, and the lawn mower 100 enters the constant low speed mode, the automatic speed change mode and the constant high speed mode in sequence.
  • the constant low speed mode the blade of the lawn mower 100 rotates at a constant lower speed; 100's default working mode; in the constant high speed mode, the blades of the mower 100 rotate at a constant higher speed.
  • the display switch 133 When the user triggers the display switch 133 to light up the display 14 , the current blade mode information of the mower 100 is displayed on the display 14 .
  • the display 14 shows that the lawn mower 100 changes from the automatic speed change mode to the constant low speed mode accordingly. model.
  • the lawn mower 100 involved in this embodiment also includes a folding switch 112 , a retractable switch 123 and a host switch 132 .
  • the folding switch 112 is used to control whether the lawn mower 100 can be folded
  • the telescopic switch 123 is used to control whether the connecting rod assembly 12 of the lawn mower 100 can be retracted
  • the host switch 132 is used to control the drive assembly located on the host machine 11 .
  • the host switch 132 is a trigger 132, and the trigger 132 can rotate along the first direction 101 (see FIG. 1 ). After the display 14 is lit, the user can adjust the function mode of the mower 100 through the self-propelled mode switch 136, the blade mode switch 134, the headlight switch 135, and the like.
  • the user When the user adjusts the folding switch 112 and the telescopic switch 123 so that the mower 100 is in a state where the folding function and the telescopic function are locked at the same time, the user closes the trigger 132 and the grip part 31 of the handle device 13 to activate the drive assembly.
  • the lawn mower 100 enters the cutting working state. In the working state of the lawn mower 100, it is necessary to keep the trigger 132 in the closed state all the time. If the user releases the trigger 132 during operation, the drive assembly of the lawn mower 100 will stop providing power, so that the lawn mower 100 stops cutting operations. .
  • the light information of the rear walk power tool is displayed on the display 14 .
  • the headlight switch 135 (see FIG. 4 ) is used to control functions such as turning on, turning off, and adjusting brightness of the lights of the lawn mower 100 .
  • the display 14 correspondingly displays this state. For example, if the first lighting lamp of the lawn mower 100 is on and the second lighting lamp is off, the user can directly know whether a certain lighting lamp is on through the display 14 . For another example, if a certain lighting lamp of the lawn mower 100 is adjusted from the first brightness to the second brightness by the user, a corresponding display will be made on the display 14 .
  • the display 14 displays the power information of the mower 100 .
  • the drive assembly of the lawn mower 100 includes a battery pack, so power-related information such as current power and remaining power of the battery pack is displayed on the display 14 .
  • the remaining power (that is, the available power) can be displayed in the form of the percentage of the remaining power in the total power when the battery pack is fully charged, or in the form of the remaining power available in the current working mode or the default working mode of the mower 100.
  • the used time is displayed, and it can also be displayed in combination with graphics, schematic diagrams, etc., or expressed in a form that can be understood by other users and can reflect the power condition.
  • the fault information of the mower 100 is displayed on the display 14 .
  • the lawn mower 100 fails to start the motor due to a fault, there will be a corresponding reminder on the display 14 to inform the user to start the motor after resolving the corresponding fault.
  • the display 14 is configured to be directly operated by the user to implement adjustments to the walk-behind power tool.
  • the rear-walking power tool does not need to have specific function buttons, such as the self-propelled mode switch 136 and the blade mode switch 134 , and the user can directly touch the display 14 to adjust the working mode of the rear-walking power tool.
  • the function keys can also be integrated with the display 14 and integrated on the display 14 .
  • the walk-behind power tool is connected to the user's electronic device via Bluetooth, and displays information of the electronic device on the display 14 .
  • the display 14 displays part of the information on the user's connected electronic device, such as weather display, incoming call reminder, and the like.
  • the display 14 of the lawnmower 100 will simultaneously send a reminder to the user, foretelling that the weather will soon be unfavorable for outdoor work.
  • the user's electronic equipment can also be connected to the rear walking power tool through a specific connection line, not limited to the Bluetooth connection.
  • the display 14 includes a circuit board 144 , a transparent cover 141 , an image part 142 , a light guide part 143 and a fixed cover 145 .
  • the circuit board 144 includes common components 1442 (see FIG. 7 ) for transmitting power and signals.
  • the light emitter 1441 (see FIG. 6 ) is arranged on the circuit board 144.
  • the light guide 143 basically covers the light emitter 1441.
  • the light-transmitting cover 141 has a certain degree of transparency, and the circuit board 144 is located between the transparent cover 141 and the fixed cover 145 .
  • the image part 142 , the light guide part 143 and the circuit board 144 are assembled in the light-transmitting cover 141 and fixed by buckles 1413 .
  • the screws 146 only need to fix the light-transmitting cover 141 and the fixed cover 145 , while other movable internal parts have been fixed by the light-transmitting cover 141 through buckles 1413 .
  • Fig. 9 to Fig. 10 are a kind of embodiment that display 14 is applied on lawnmower 100, and image part 142 is a kind of image film 142a, and this image film 142a is positioned between light-transmitting cover 141 and light guide part 143, is glued on the first surface 1431 of the light guiding portion 143a.
  • the light guide part 143 is a light guide plate 143a, and the light guide plate 143a basically covers the light emitter 1441 .
  • the light emitter 1441 is a light emitting diode in this embodiment, but it can also be other luminous materials or electronic components, which is not limited here.
  • the light guide portion 143a has a light guide groove 1432 to guide the propagation path of the light emitted by the light emitters 1441 and prevent the light emitted by different light emitters 1441 from interfering with each other.
  • the light guide groove 1432 has various shapes, which are respectively used to reflect different information such as characters, numbers, symbols, and indicator lights.
  • the transparent cover 141 and the fixed cover 145 of the display 14 a are fixed together by screws 146 .
  • the holes through which the screws pass through the circuit board 144 , the light guide part 143 , and the image part 142 , and the screw holes on the light-transmitting cover 141 are omitted.
  • the opening of screw holes on the circuit board 144 and the light guide part 143 also has a certain impact on the space utilization thereof.
  • FIG. 12 is another embodiment of the display 14 involved in the present application.
  • the second surface 1412 of the light-transmitting cover 141 has a light-guiding portion 143b, and the light-guiding portion 143b is a part of the light-transmitting cover 141, and the two are integrally formed during the manufacturing process.
  • the image portion 142 is directly printed or engraved on the third surface 1411 of the light-transmitting cover 141 instead of being pasted on the light-transmitting cover 141 or the light-guiding portion 143 in the form of a film.
  • FIG. 13 is a side sectional view of the display 14 disclosed in FIG. 9 and FIG.
  • the gap between the image film 142a and the image film 142a is basically filled, so as to squeeze out the air in the gap and prevent the fogging caused by high air humidity from making it difficult for the user to see the displayed content of the display 14 clearly.
  • the colloid 1421 can also be used as a fixing method to fix the image film 142 a on the transparent cover 141 .
  • Fig. 14 shows a telescopic rod structure 200, specifically, a telescopic rod structure 200 with adjustable length
  • the telescopic rod structure 200 can be applied in a rear-walking power tool
  • the rear-walking power tool Can be a kind of lawn mower 201 (see Fig. 29) or snow plow etc. can operate under the environment such as grassland, snow field, and possess the working machine that can push function.
  • the rear walking power tool has a telescopic rod structure 200
  • the telescopic rod structure 200 includes a holding device 24 , a telescopic rod assembly 20 and a locking device 23 .
  • the gripping device 24 can be gripped by a user to operate the walking-back power tool.
  • the telescopic rod assembly 20 includes a first telescopic rod assembly 21 and a second telescopic rod assembly 22, and the first telescopic rod assembly 21 and the second telescopic rod assembly 22 are substantially parallel.
  • the locking device 23 is used to adjust the length of the telescopic rod assembly 20 .
  • the telescoping rod structure 200 in Fig. 14 also includes a spring hose 26, and its internal accommodation space can be used to accommodate circuit components such as electric wires, which is more convenient for a rear-moving power tool that is controlled by electricity.
  • FIG. 15 shows the specific structure after the first telescopic rod assembly 21 , the second telescopic rod assembly 22 and the locking device 23 are disassembled.
  • the basic principles of the first telescopic rod assembly 21 and the second telescopic rod assembly 22 are the same, and now the first telescopic rod assembly 21 will be described in detail.
  • the first telescopic rod assembly 21 includes a first rod 211 and a first rod 212, wherein the first rod 211 and the first rod 212 have different inner diameters, so that the first rod 211 and the first rod 212 Can be nested together.
  • the inner diameter of the first rod 211 is smaller than the inner diameter of the first rod 212 , so the first rod 211 protrudes into the first rod 212 .
  • the locking device 23 includes a locking lever 231 , an operating member 232 and a locking component 230 .
  • the locking assembly 230 is further divided into a first locking assembly 233 and a second locking assembly 234, the locking rod 231 connects the first locking assembly 233 and the second locking assembly 234, and the first locking assembly 233 and the second locking assembly
  • the locking components 234 are located at two ends of the locking rod 231 .
  • the second cover 235 and the second cover 236 provide an accommodating space, and define the locking rod 231 , the operating member 232 , the locking assembly 230 and the first telescopic rod assembly 21 and the second telescopic rod assembly 22 in a fixed space.
  • the principle of the first locking assembly 233 and the second locking assembly 234 are the same, they are connected by a locking rod 231, and are respectively located at both ends of the locking rod 231. Now, taking the first locking assembly 233 as an example, its specific structure and principle.
  • the first locking component 233a includes a first rotating part 2331 , a rigid part 2332 and a first elastic part 2333 .
  • the pin 313 passes through the first opening 311 of the first rotating member 2331 and the second opening 312 of the locking rod 231a at the same time, thereby fixing the first rotating member 2331 and the locking rod 231a to ensure locking When the rod 231a rotates, the first rotating member 2331 rotates synchronously with the locking rod 231a.
  • the first rotating part 2331 also includes a first elongated part 310 (see FIG. 16 ).
  • the first rod 212 When the first rotating part 2331 rotates, the first elongated part 310 rotates synchronously with the first rotating part 2331 .
  • the first rod 212 includes a hole 2122 , and the diameter of the hole 2122 can allow the first elongated portion 310 of the first rotating member 2331 to penetrate therein.
  • the first rod 212 also includes a first slot 2121, the first elastic member 2333 passes through the first slot 2121 and contacts the first rod 211, when the first elastic member 2333 is compressed, it squeezes the first rod member 211 and prevent it from moving along the axial direction of the first rod member 211.
  • the locking assembly 233a is in the first state, the first elastic member 2332 is relaxed, and the first elongated portion 310 of the first rotating member 2331 is located outside the hole 2122 of the first rod 212. At this time The first rod 211 and the first rod 212 can be stretched up and down, that is, in this state, the length of the first telescopic rod assembly 21 can be adjusted.
  • the first rotating member 2331 includes a cam surface, which is in contact with the rigid member 2332 , and the first elastic member 2333 is located below the rigid member 2332 .
  • the locking assembly 233a is in the second state, the first elastic member 2333 is compressed by the rigid member 2332, and the thickness of the first elastic member 2333 becomes smaller.
  • the frictional resistance generated when the first elastic member 2333 is pressed makes it impossible for the first rod 211 to extend further into the first rod 212; and the first elongated portion 310 of the first rotating member 2331 is located The inside of the hole 2122 of the member 212 , so as to lock the relative position of the first rod 211 and the first rod 212 .
  • the first rod 211 and the first rod 212 are locked in the direction along the axial direction of the first telescopic rod assembly 21 through the first extension part 310, that is, in this state, the first telescopic rod assembly 21 The length is fixed.
  • first elastic member 2333 and the rigid member 2332 may be the same component, which is not limited here.
  • the pin 316 passes through the second opening 315 on the locking lever 231 and the third opening 314 on the operating member 232 at the same time, and the torsion spring 318 is located in the slot 317 of the operating member 232 .
  • the section of the locking lever 231b on a plane perpendicular to its axis is an irregular circular shape, and the operating member 232 does not need to be realized by a pin. Fixation with locking lever 231.
  • FIG. 22 to FIG. 26 show the internal structure of the telescopic rod structure 200 as the second embodiment.
  • the internal structure of the first locking component 233b will be introduced below as an example.
  • the first locking component 233b includes a second rotating member 2335 , a locking member 2336 , an elastic sleeve 2337 and a second elastic member 2338 .
  • the locking lever 231c includes a matching portion 322 and a second elongated portion 321, the matching portion 322 matches the first matching surface 351 of the second rotating member 2335, when the locking lever 231c rotates, the second rotating member 2335 is synchronized rotate.
  • the locking part 2336 includes at least one limiting part 363, and the limiting part 363 is limited by one of the second cover 235 and the second cover 236, or both, so that the locking part 2336 cannot rotate and can only move along the lock. The axial direction of the tight rod 231c moves.
  • the second rotating member 2335 also includes a second mating surface 352, which is matched with the third mating surface 361 of the locking member 2336.
  • the locking member 2336 When the second rotating member 2335 rotates, the locking member 2336 generates a lock along the locking rod 231c. displacement in the axial direction. Thus, the rotation of the locking rod 231c causes the locking member 2336 to enter or move out of the telescoping rod assembly 21 .
  • the first locking assembly 233b in Fig. 25 is in the first state, at this moment, the second elongated part 362 on the locking part 2336 is in the fourth opening 2111 of the first rod 211 outside, the second elastic member 2338 is loosened, the first rod 211 can extend downwards into the first rod 212, and the elastic sleeve 2337 is separated from the outer wall of the first rod 211, so that no impact on the first rod 211 friction. That is, in this state, the length of the first telescopic rod assembly 21 can be adjusted.
  • the first locking assembly 233b in FIG. 26 is in the second state.
  • the locking lever 231c has rotated a certain angle from the first state, so that the second mating surface 352 of the second rotating member 2335 and the third locking member 2336 The distance between the mating surfaces 361 is shortened, while the axial position of the locking rod 231c remains unchanged, so that the second elongated portion 362 on the locking member 2336 moves into the fourth opening 2111 of the first rod 211, thereby The first rod 211 cannot continue to extend downward into the first rod 212 .
  • the second elastic member 2338 is compressed, and the elastic sleeve 2337 adheres to the outer wall of the first rod 211 , and generates frictional force on the first rod 211 , further preventing it from moving relative to the first rod 212 . That is, in this state, the length of the first telescopic rod assembly 21 is fixed.
  • the elastic sleeve 2337 can be used as a part of the locking member 2336 and integrally formed with the locking member 2336 , which is not limited here.
  • Fig. 27 is another embodiment of the operating member 232 that is different from that in Fig. 1. It should be pointed out here that changes in the specific position and opening angle of the operating member 232 do not affect the effect of the application. The design of changing the position without changing the realization principle of the stretchable structure 200 falls within the protection scope of the present application.
  • the first rod 211 , the first rod 212 and the first intermediate rod 213 may also be included, that is, a connection is added between the first rod 211 and the first rod 212 lever, but does not affect the realization of its function.
  • the second cover 235 and the second cover 236 its function is to provide a closed and stable space for the internal components. As shown in FIG. The cover 2362 is used to facilitate the assembly of the first locking component 233 and the second locking component 234 . Alternatively, as shown in FIG. 22 , the second cover 236 is directly assembled with the second cover 235 , which is suitable for the case where the locking assembly 230 is easier to assemble.
  • the form of the cover plate is not limited to the second cover 235 and the second cover 236, and it can also be a left cover and a right cover along the axial direction of the locking rod 231, or a combination of the left cover, the right cover and the middle cover. The format is not limited here.
  • Fig. 29 shows a kind of walking-back power tool 201
  • this walking-back power tool 201 comprises holding device 24, telescoping rod assembly 20, locking device 23, walking assembly 25, cutting assembly 27 and motor (not shown in the figure Shows).
  • the holding device 24 is used for gripping by the user
  • the telescopic rod assembly 20 comprises the first telescopic rod assembly 21 and the second telescopic rod assembly 22
  • the walking assembly 25 and the holding device 24 are composed of the first telescopic rod assembly 21 and the second telescopic rod assembly.
  • the assembly 22 is connected, the cutting assembly 27 is used to complete the mowing operation, and the motor is used to drive the cutting assembly 27 to perform the mowing operation. Its specific technical features have been stated above, and will not be repeated here.
  • Figure 29 is the use angle of the telescopic rod in practical applications, and in practical applications, the locking device 23 and the operating member 232
  • the position of the telescopic rod structure 200 can be adjusted, not limited to the way disclosed in the drawings of this specification. If the operating part 232 is an operating wrench, the wrenching direction and angle of the wrench can be changed with the change of the overall technical solution, and finally serve the operator so that he has a good operating experience.
  • Fig. 30 shows a rear-propelled self-propelled working machine, which may specifically be a lawnmower 400, a snowplow or a trolley and other working machines with self-propelled functions.
  • the lawnmower 400 is taken as an example for introduction below.
  • the lawn mower 400 in this embodiment is a hand push lawn mower 400.
  • the lawn mower 400 mainly includes a host 40 , an operating device 41 and a grass collecting device 45 .
  • the host machine 40 includes working elements for realizing the functions of the walk-behind power tool.
  • the host 40 includes a chassis 401 , a power mechanism 402 and a walking assembly 403 , and the chassis 401 serves as the main support structure of the lawnmower 400 , assembling all parts into one.
  • the walking assembly 403 is installed on the chassis 401 for supporting the chassis 401 , and the walking assembly 403 rotates relative to the chassis 401 so that the chassis 401 moves on the ground.
  • the walking components 403 can be wheels.
  • the power mechanism 402 is mounted on the chassis 401 and is used to drive the traveling assembly 403 to rotate, thereby driving the mower 400 to move on the ground.
  • the grass collecting device 45 is connected to the main frame 40 rear, and is used to collect the weeds that cut down.
  • the grass collecting device 45 can specifically be a grass collecting basket or a grass collecting box.
  • the operating device 41 is connected to the host computer 40 for the user to operate the lawnmower 400 at the rear side of the lawnmower 400 .
  • the operating device 41 in this embodiment includes a switch box 411 , and electronic components for controlling the working state of the working components are arranged in the switch box 411 .
  • the walking-back power tool also includes a first mounting part 42 arranged on the switch box 411, and a second mounting part 43 detachably connected to the first mounting part 42, the second mounting part
  • the portion 43 can be connected or formed in different accessories.
  • the rear-walking power tool can be attached with different accessories, has high universal interchangeability, can meet different use requirements of users, and improves user satisfaction.
  • the accessories in this embodiment include a storage box 441, a mobile phone holder 442, a cup holder 443 and an electric fan, etc., and items such as mobile phones and keys can be placed in the storage box 441.
  • the operating device 41 further includes a handle 412 for the user to push the mower 400 to walk, and the switch box 411 is fixed to the handle 412 .
  • the accessories are closer to the user, which is convenient for the user to pick up and use.
  • the handle 412 includes a grip part 4121 and a connecting rod 4122, the grip part 4121 is for the user to hold, so as to apply force to push the mower 400; the connecting rod 4122 is a hollow long rod structure, and the connecting rod 4122 is used to connect the The holding part 4121 and the host 40.
  • Two connecting rods 4122 are provided side by side, which can improve the connection stability between the gripping part 4121 and the host 40 .
  • the gripping portion 4121 at least partially extends along a first straight line
  • the connecting rod 4122 extends along a second straight line perpendicular to the first straight line.
  • the grip part 4121 is made of plastic material, which is convenient for forming and connecting with other parts, and the connecting rod 4122 is made of metal material to ensure strength.
  • the switch box 411 is used for accommodating operating switches.
  • the switch box 411 includes a switch box cover and a switch box seat, and the switch box cover and the switch box seat hold the handle 4121 and the connecting rod 4122 from both sides.
  • first mounting portion 42 and the second mounting portion 43 are snap-fitted.
  • the buckle connection has a simple structure and is easy to implement and operate.
  • other detachable connection forms can also be used between the first mounting part 42 and the second mounting part 43, such as screw connection, hinge connection or magnetic attraction connection, etc., which can be designed according to the actual situation.
  • the first mounting portion 42 is a mounting hole opened on the switch box 411
  • the second mounting portion 43 is provided with a buckle 431 matching the mounting hole.
  • the buckle 431 is engaged with the installation hole, so as to realize quick assembly and disassembly of the first installation part 42 and the second installation part 43 .
  • the number of buckles 431 and mounting holes at least two are provided to improve connection stability. In this embodiment, there are four buckles 431 and four mounting holes respectively.
  • the first mounting part 42 is a buckle 431 provided on the switch box 411
  • the second mounting part 43 is provided with a mounting hole matched with the buckle 431 .
  • the second mounting portion 43 is a mounting plate, which is snap-connected with the first mounting portion 42 .
  • the installation plate is provided with buckle 431, and the buckle 431 is buckled connected with the installation hole.
  • the mounting plate and accessories are detachably connected by screws so that different accessories can be replaced.
  • the mounting plate is used as an intermediate connector, one end of which is connected to the first mounting part 42 on the switch box 411, and the other end is connected to the accessories.
  • the type of accessories connected to the mounting plate can be replaced according to actual needs, and it is interchangeable and can be changed. Many additional functions improve the versatility and adaptability to meet the diverse needs of users.
  • the mounting plate and the accessories can also be connected in a detachable manner such as hooked to the hanging groove, as long as the quick disassembly and assembly between the mounting plate and the accessories can be realized.
  • the gripping portion 4121 includes a first gripping portion 41211 for the user’s left hand to grip and a second gripping portion 41212 for the user’s right hand to grip.
  • the part 41211 and the second grip part 41212 are symmetrical about a symmetry plane.
  • the accessory is the mobile phone holder 442
  • the mobile phone holder 442 is located between the first holding part 41211 and the second holding part 41212 .
  • the first gripping part 41211 and the second gripping part 41212 are of an integrated structure, of course, the gripping part 4121 can also be formed by connecting the independent first gripping part 41211 and the second gripping part 41212 .
  • the mobile phone bracket 442 When the accessory is a mobile phone bracket 442, the mobile phone bracket 442 includes a first connecting plate and a bracket body, the first connecting plate is U-shaped, one end of which is connected to the mounting plate, and the other end bypasses the switch box 411 to connect the bracket body, and the bracket body is used for
  • the mobile phone is clamped, and the bracket body is set upward and inclined towards the user's face, so as to facilitate the user's operation and use.
  • the mobile phone communicates with the lawn mower 400 to realize the control of the lawn mower 400. Specifically, this function can be realized through connection methods such as Bluetooth.
  • the cup holder 443 when the accessory is a cup holder 443 , the cup holder 443 is located between the two connecting rods 4122 .
  • the cup holder 443 includes a second connecting plate and a frame body, one end of the second connecting plate is connected to the mounting plate, and the other end is fixed with the frame body, the frame body is located below the switch box 411 and between the two connecting rods 4122, the frame The body is used to place water cups or drink cups.
  • the base of the electric fan is connected to the mounting plate, and the electric fan is arranged towards the user, so that the user can blow air when using the mower 400, thereby improving the comfort of the user.
  • the electric fan referred to in this embodiment is a small electric fan, such as a desktop small electric fan and a small electric fan that can be clamped on the head of a bed.
  • the display 14 in FIG. 1 is further described below.
  • FIG. 38 is a side view of the mower 100 of FIG. 1
  • FIG. 39 is a partially enlarged view of FIG. 38
  • the grip portion 131 is substantially symmetrically distributed along the first mid-section plane 502
  • the first mid-section plane 501 is a plane perpendicular to the paper
  • the first mid-section plane 502 is along the lawnmower 100 .
  • the displays 14 are substantially symmetrically distributed along the second middle split plane 502 .
  • the second middle split plane 502 is a plane perpendicular to the paper, and the second middle split plane 502 extends along the left-right direction of the mower 100 .
  • the grip portion 131 extends substantially along the first mid-section plane 501
  • the display 14 basically extends along the second mid-section plane 502 .
  • the first split plane 501 and the second split plane 502 are substantially parallel.
  • substantially means that the angle formed by the first mid-dividing plane 501 and the second mid-dividing plane 502 is less than or equal to 10 degrees.
  • the second split plane 502 is substantially perpendicular to the telescopic rod assembly 20 .
  • the telescopic rod assembly 20 is a telescopically adjustable rod, and connects the host 11 and the handle device 13 . See the manual above for details.
  • the display 14 includes a top 541 at the top and a bottom 542 at the bottom.
  • the top 541 is located at the top of the display 14 , the top 541 is not directly connected to the grip portion 131 , and the bottom 542 is not directly connected to the grip portion 131 either.
  • the display 14 includes a display interface 543 for presenting the information of the walk-behind power tool to the user.
  • the display interface 543 may be made of LED, LCD or other luminous materials.
  • the top 541 here can be understood as, when the display 14 is perpendicular to the horizontal plane, the top 541 of the display 14 is a kind of casing, the casing surrounds the outside of the display interface 543, and the top 541 is located on the upper part of the display interface 543 . In one embodiment, the top 541 is located above the display 14 . In one embodiment, if the display interface 543 covers the upper half of the display 14 , the top 541 is the upper part of the display interface 543 .
  • the switch box 411 is connected to both ends of the handle 131 .
  • the switch box 411 includes a mounting structure 4111 , and the bottom 542 of the display 14 is mounted to the mounting structure 4111 of the switch box 411 .
  • the display 14 can be mechanically and electrically connected to the switch box 411 , and a control component is arranged in the switch box 411 , and the control component is electrically connected to the display interface 543 of the display 14 .
  • the display 14 is detachably mounted to the mounting structure 4111 of the handle device 13 .
  • the display 502 is fixed in the mounting structure 4111 non-rotatably.
  • the top 541 of the display 14 can rotate around the bottom 542 , and the angle formed by the first mid-dividing plane 501 and the second mid-dividing plane 502 is less than or equal to 45 degrees. In some embodiments, the angle formed by the first mid-dividing plane 501 and the second mid-dividing plane 502 may be 15 degrees, 30 degrees or 45 degrees.
  • the display 14 viewing the display 14 from a direction perpendicular to the display interface 543 of the display 14 , only one side of the display 14 is connected to the handle device 13 . In one embodiment, only one side of the display 14 is connected to the switch box 411 .
  • the display 14 has at least an upper border 551 and a lower border 552 , and the upper border 551 is substantially parallel to the lower border 552 , and the lower border 552 is connected to the switch box 411 .
  • the upper border 551 of the display 14 may be connected to the handle 131 , so that the lower border 552 of the display 14 is suspended, and the control component is connected to the switch box 411 through the wiring in the handle 131 .
  • one side of the display 14 is directly connected to the handle device 13, and the other side is not connected to the handle device 13, so that the display 14 can be set as a slidable, detachable, and rotatable structure, thereby increasing The practicability of display 14 is improved.
  • the rotatable display 14 meets the observation needs of more users;
  • the detachable display 14 facilitates replacement of accessories, such as replacing the display 14 with a mobile phone holder 442, etc., to achieve more functions;
  • the power of the mower 100 is insufficient, the user can choose to remove the display 14 to save power.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

一种后走式动力工具，包括：主机（11），包括行走组件（111）和驱动行走组件的驱动组件；把手装置（13），包括用于供用户握持的握持部（131）；连接杆组件（12），连接主机与把手装置；其中，后走式动力工具还包括显示器（14），显示器可显示与后走式动力工具有关的信息。该后走式动力工具方便用户获取工作机的工作信息，提高用户的使用便捷度。

Description

后走式动力工具
本申请要求在2021年11月01日提交中国专利局、申请号为202111284012.8的中国专利申请的优先权，在2021年12月08日提交中国专利局、申请号为202123106186.3的中国专利申请的优先权，在2022年07月26日提交中国专利局、申请号为202221939497.X的中国专利申请的优先权，该三件申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及一种动力工具，具体涉及一种后走式动力工具。
背景技术
后走式动力工具可为用户进行花园作业的机器，具体可以是一种割草机或扫雪机等可在草地、雪地等环境下作业、并且具备可推功能的工作机。
市场上后走式动力工具一般由一个或多个单独的按钮来控制机器的各项功能，很多后走式动力工具无法提示用户该工作机当前所处的工作模式，用户需通过长期操作获得的经验判断工作机所处的工作状态。例如，对于一些割草机，用户在调节割草机的刀片转速后，只能通过听到割草机产生更大的声音来判断刀片被调节到了合适的转速，而能熟练做到这一点又需要用户积累一定的操作经验，对工具机使用次数少或使用频率低的用户不一定能够做到。还有一些后走式动力工具以一个个相对独立的指示灯点亮或熄灭的方式向用户反馈工作机的工作状态信息。
发明内容
为解决相关技术的不足，本申请的目的在于为后走式动力工具提供一种可以集中显示信息的显示器，该显示器可同时显示工作机所处的工作模式及电量等相关信息，方便用户一目了然地获取工作机的工作信息。
为了实现上述目标，本申请采用如下的技术方案：一种后走式动力工具，包括：主机，包括行走组件和驱动行走组件的驱动组件；把手装置，包括用于供用户握持的握持部；连接杆组件，连接主机与把手装置；其中，后走式动力工具还包括显示器，显示器可显示与后走式动力工具有关的信息。
在一种实施例中，显示器被设置为可滑动地和/或可转动地与把手装置连接。
在一种实施例中，后走式动力工具还包括自走模式开关，自走模式开关可 将后走式动力工具调至自走模式，在自走模式下，后走式动力工具可根据用户施加的推力大小调节自行走速度。
在一种实施例中，后走式动力工具还包括刀片模式开关，刀片模式开关可控制后走式动力工具的刀片旋转速度。
在一种实施例中，显示器上显示后走式动力工具的自走模式信息。
在一种实施例中，显示器上显示后走式动力工具的刀片模式信息。
在一种实施例中，显示器上显示后走式动力工具的照明灯信息。
在一种实施例中，显示器上显示后走式动力工具的电量信息。
在一种实施例中，显示器上显示后走式动力工具的故障信息。
在一种实施例中，后走式动力工具通过蓝牙连接用户的电子设备，并在显示器上显示电子设备的信息。
在一种实施例中，显示器与把手装置可拆卸的连接。
在一种实施例中，把手装置包括开关盒，开关盒内设置有用于控制工作元件的工作状态的电子元件。
在一种实施例中，显示器被设置为可滑动地或可转动地与把手装置连接。
在一种实施例中，显示器仅有一侧与把手装置相连。
在一种实施例中，显示器包括位于底端的底部，显示器的底部与开关盒相连。
在一种实施例中，显示器包括位于顶端的顶部，显示器的顶部与握持部相连。
在一种实施例中，显示器包括显示界面，显示界面用于将后走式动力工具的信息呈现给用户，从垂直于显示界面的方向观察显示器，显示器至少具有上边界和下边界，上边界与下边界基本平行，下边界连接至开关盒。
在一种实施例中，定义第一中分面为一个垂直于纸面的平面，且第一中分面沿后走式动力工具的左右方向延伸，握持部沿第一中分面基本呈对称分布；定义第二中分面为一个垂直于纸面的平面，且第二中分面沿后走式动力工具的左右方向延伸，显示器沿第二中分面基本呈对称分布；第一中分面和第二中分面基本平行。
在一种实施例中，第一中分面和第二中分面之间的夹角小于或等于45度。
在一种实施例中，后走式动力工具还包括伸缩杆组件，伸缩杆组件可伸缩调节，伸缩杆组件将主机和把手装置连接，第二中分面与伸缩杆组件基本垂直。
在一种实施例中，后走式动力工具为一种割草机。
本申请还提供以下技术方案：一种后走式动力工具，包括：主机，包括行走组件和驱动行走组件的驱动组件；把手装置，包括用于供用户握持的握持部；连接杆组件，连接主机与把手装置；后走式动力工具还包括显示器，显示器可显示与后走式动力工具有关的信息，显示器被设置为可滑动地和/或可转动地与把手装置连接。
本申请还提供以下技术方案：一种后走式动力工具，包括：主机，包括行走组件和驱动行走组件的驱动组件；把手装置，包括用于供用户握持的握持部；连接杆组件，连接主机与把手装置；后走式动力工具还包括显示器，显示器可显示与后走式动力工具有关的信息，显示器仅有一侧与把手装置相连。
本申请还提供以下技术方案：一种后走式动力工具，包括：马达；握持装置，供用户握持；伸缩杆组件，可伸长或缩短，伸缩杆组件包含第一伸缩杆组件和第二伸缩杆组件；后走式动力工具还包含锁紧装置，锁紧装置包含：锁紧组件，包含第一锁紧组件和第二锁紧组件，第一锁紧组件和第二锁紧组件分别用于锁紧或放松第一伸缩杆组件和第二伸缩杆组件；锁紧杆，连接第一锁紧组件和第二锁紧组件，且第一锁紧组件和第二锁紧组件分别位于锁紧杆的两端；操作件，位于锁紧杆上，供用户操作锁紧组件，且锁紧装置至少包含一个操作件，当用户操作操作件时，第一伸缩杆组件和第二伸缩杆组件两者被一起锁紧或放松。
在一种实施例中，锁紧组件包括：锁定件，由锁紧杆驱动,锁定件产生沿锁紧杆的轴向方向的位移。
在一种实施例中，锁紧组件还包括：第二转动件，第二转动件包含第一旋转部和第二旋转部，第一旋转部由锁紧杆驱动旋转，第二旋转部与锁定件的第三旋转部相配合，驱动锁定件运动。
在一种实施例中，述锁紧组件还包括第二弹性件，被容纳于一容纳空间内，当第二弹性件受到压力发生形变时，第二弹性件对伸缩杆组件施加一定的摩擦力，以防止伸缩杆组件长度改变。
本申请还采用以下技术方案：一种后走式动力工具，包括：主机，包括用于实现后走式动力工具的功能的工作元件；操作装置，与主机连接以供用户在后走式动力工具的后侧操作后走式动力工具；操作装置包括开关盒，开关盒内设置有用于控制工作元件的工作状态的电子元件；后走式动力工具还包括：设置在开关盒上的第一安装部，以及与第一安装部可拆卸连接的第二安装部，第二安装部连接或形成于附件。
在一种实施例中，操作装置还包括把手，把手供用户推动后走式动力工具行走，开关盒固定至把手。
在一种实施例中，把手包括：握持部，供用户握持；以及，连接杆，连接握持部和主机；开关盒一端固定于握持部，另一端固定于连接杆。
在一种实施例中，第一安装部和第二安装部为卡扣连接。
在一种实施例中，第一安装部为开设在开关盒上的安装孔，第二安装部上设置有与安装孔相配合的卡扣。
在一种实施例中，第一安装部为设置在开关盒上的卡扣，第二安装部上设置有与卡扣相配合的安装孔。
在一种实施例中，第二安装部为安装板，安装板与第一安装部卡扣连接。
在一种实施例中，安装板与附件通过螺钉可拆卸连接。
在一种实施例中，附件包括置物盒、手机支架、杯架和电扇之中的一个。
在一种实施例中，握持部包括相连接的第一握持部和第二握持部，第一握持部和第二握持部关于一对称平面对称，手机支架位于第一握持部和第二握持部之间。
附图说明
图1是后走式动力工具的立体图；
图2是图1中的后走式动力工具的显示器、把手装置及部分连接杆组件在某一视角下的立体示意图；
图3是图2中的后走式动力工具的显示器、把手装置及部分连接杆组件在另一视角下的立体示意图；
图4是图3中的后走式动力工具的显示器及功能按键的局部放大图；
图5是作为一个实施例的后走式动力工具中的显示器示意图；
图6是图5中的显示器结构在某一视角下的爆炸图；
图7是的显示器在另一视角下的局部装配示意图；
图8是图4中显示器上的卡扣的局部放大图；
图9是图4中作为一个实施例的显示器在某一视角下的爆炸图；
图10是图4中显示器在另一视角下的爆炸图；
图11是图9和图10中显示器的导光部的示意图；
图12是作为一个实施例的显示器的爆炸图；
图13是图9和图10中所示的显示器的侧面剖视图；
图14是长度可调的伸缩杆结构的立体示意图；
图15是作为第一实施例的伸缩杆结构在某一视角下的爆炸图；
图16是图15中的锁紧组件处于第一状态时的立体示意图；
图17是图15中的锁紧组件处于第一状态时的侧面剖视图；
图18是图16中的锁紧杆及第一锁紧组件的爆炸图；
图19是图15中的锁紧杆及操作件的示意图；
图20是锁紧杆的一种实施例的局部示意图；
图21是图20中伸缩结构中的锁紧杆与第一转动件配合时的侧面剖视图；
图22是作为第二实施例的伸缩杆结构的爆炸图；
图23是图22中的锁紧杆及第一锁紧组件在某一视角下的爆炸图；
图24是图22中的锁紧杆及第一锁紧组件在另一视角下的爆炸图；
图25是图22中锁紧组件处于第一状态时的侧面剖视图；
图26是图22中锁紧组件处于第一状态时的侧面剖视图；
图27是图14中的操作把手位于另一位置时的示意图；
图28是作为伸缩杆组件的一种实施方式的爆炸图；
图29是后走式动力工具的示意图；
图30是本申请具体实施方式提供的后走式动力工具的结构示意图；
图31是本申请具体实施方式提供的操作装置的结构示意图；
图32是本申请具体实施方式提供的操作装置的部分结构示意图；
图33是本申请具体实施方式提供的附件为置物盒时置物盒与第二安装部的连接关系示意图；
图34是本申请具体实施方式提供的第二安装部的结构示意图；
图35是本申请具体实施方式提供的附件为手机支架时的操作装置的结构示意图一；
图36是本申请具体实施方式提供的附件为手机支架时的操作装置的结构示意图二；
图37是本申请具体实施方式提供的附件为杯架时的操作装置的结构示意图；
图38是图1中后走式动力工具的侧视图；
图39是图38的局部放大图；
图40是图1中后走式动力工具的显示器的示意图；
提41是把手装置上用于安装显示器的安装结构的示意图。
具体实施方式
以下结合附图和具体实施例对本申请作具体的介绍。
在本申请的描述中，需要说明的是，术语“上”、“下”、“左”、“右”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，不一定是用户在实际操作时的方位关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”等仅用于描述目的，或者用于区分不同结构或部件，而不能理解为指示或暗示相对重要性。
图1示出了一种后走式动力工具，具体可以是一种割草机或扫雪机等可在草地、雪地等花园环境下作业，并且具备可推功能的工作机。作为一种可选的实施方式，以下以割草机为例进行介绍。
如图1所示，割草机100主要包括主机11、把手装置13和连接杆组件12。其中，主机11包括行走组件111和驱动行走组件111的驱动组件(图中未示出)。把手装置13包括用于供用户握持的握持部131；连接杆组件12连接主机11与把手装置13。可以理解的是，在其他诸如扫雪机等后走式动力工具也可以包括把手装置13、主机11、行走组件111、握持部131等部件。在本实施例中，行走组件为车轮组件。
在一种实施例中，显示器14(见图2)位于把手装置13上，且与握持部131相连。需要注意的是，显示器14的位置并不局限于固定在把手装置13上，也可被设置为可滑动地或可转动地与把手装置13的握持部131连接，如根据用户需求调整显示器14的角度，或在不需要时将显示器14通过滑动或转动收起；显示器14还可被设置为位于连接杆组件12上，或者主机11上，对显示器14的具体位置和连接方式不做限制。
如图4所示，割草机100包含显示开关133，当该显示开关133被激活时，显示器14被点亮，割草机100的相关信息被显示在显示器14中。
在一种实施例中，本实施例涉及的割草机100包括自走模式开关136，该自走模式开关136可将割草机100调至自走模式，在自走模式下，割草机100可根据用户施加的推力大小调节自行走速度。此外，通过调节自走模式开关136 还可将割草机100调至手推模式，在手推模式下，割草机100无法自主行走，只依赖用户手推施加的力运动。当用户触发显示开关133，从而点亮显示器14时，割草机100当下的自走模式信息被显示在显示器14上。此时，若用户触发自走模式开关136来调节割草机100的自走模式，例如从手推模式调至自走模式，显示器14上相应地显示出割草机100由手推模式变成自走模式。
在一种实施例中，本实施例涉及的割草机100包括刀片模式开关134，以控制割草机100的刀片旋转速度。显示器14点亮时，按下刀片模式开关134，割草机100依次进入恒低速模式、自动变速模式和恒高速模式。在恒低速模式中，割草机100的刀片以一恒定的较低转速转动；在自动变速模式中，割草机100的刀片根据所受阻力的大小自动调节旋转速度，此模式为割草机100的默认工作模式；在恒高速模式中，割草机100的刀片以一恒定的较高转速转动。当用户触发显示开关133，点亮显示器14时，割草机100当下的刀片模式信息被显示在显示器14上。此时，若用户触发刀片模式开关134来调节割草机100的刀片模式，例如从自动变速模式调至恒低速模式，显示器14上相应地显示出割草机100由自动变速模式变成恒低速模式。
本实施例涉及的割草机100还包括折叠开关112、伸缩开关123和主机开关132。折叠开关112用以控制割草机100是否可以折叠，伸缩开关123用于控制割草机100的连接杆组件12是否可以伸缩，主机开关132用于控制位于主机11上的驱动组件。在本实施例中，主机开关132为扳机132，该扳机132可沿第一方向101转动(见图1)。当显示器14被点亮后，用户才可以通过自走模式开关136、刀片模式开关134、头灯开关135等调节割草机100的功能模式。用户通过调节折叠开关112和伸缩开关123，使割草机100处于折叠功能和伸缩功能同时被锁定的状态时，将扳机132和把手装置13的握持部31闭合，即可激活驱动组件，使割草机100进入切割工作状态。在割草机100的工作状态下，需保持扳机132始终处于闭合状态，若用户在作业时松开扳机132，割草机100的驱动组件将停止提供动力，从而使割草机100停止切割作业。
在一种实施例中，显示器14上显示后走式动力工具的照明灯信息。在本实施例中，头灯开关135(见图4)用于控制割草机100的照明灯的点亮、熄灭、亮度调整等功能。当割草机100的照明灯处于点亮状态时，显示器14上相对应地显示出该状态。比如，如果割草机100的第一照明灯处于点亮状态，而第二照明灯处于熄灭状态时，用户可以直接通过显示器14了解某个照明灯是否点亮。再比如，如果割草机100的某一照明灯被用户由第一亮度调节到第二亮度，显示器14上也会做出相应显示。由此，当用户在使用割草机100进行作业时，更清楚当前照明灯所处的工作状态，有利于用户根据情况灵活调整照明灯的点亮状态和亮度模式，无需多次触发照明灯开关来“试探”当前的照明模式。
在一种实施例中，显示器14上显示割草机100的电量信息。在本实施例中，割草机100的驱动组件包含电池包，故电池包的当前电量、剩余电量等电量相关信息被显示在显示器14上。在这里，剩余电量(即可用电量)可以以剩余电量占电池包满电时的总电量的百分比的形式来显示，也可以以剩余电量在割草机100的当前工作模式或默认工作模式中可使用的时间来显示，还可以结合图形、示意图等方式来显示，或者以其他用户可以理解的、能反映电量情况的形式来表达。
在一种实施例中，显示器14上显示割草机100的故障信息。在本实施例中，如果割草机100出现故障而使马达无法启动，显示器14上会有相应的提醒，以告知用户解除相应的故障后再启动马达。
在一种实施例中，显示器14被设置为被用户直接操作，来实现对后走式动力工具进行调节。在此情况下，后走式动力工具无需具备具体的功能按键，如自走模式开关136和刀片模式开关134等，用户可通过对显示器14直接触摸以调节后走式动力工具的工作模式。在其他实施方式中，功能按键也可与显示器14合为一体，集成在显示器14上。
在一种实施例中，后走式动力工具通过蓝牙连接用户的电子设备，并在显示器14上显示电子设备的信息。当用户通过蓝牙将自己的电子设备(如手机)连接到该后走式动力工具上时，显示器14显示用户所连电子设备上的部分信息，如天气显示、来电提醒等。再例如，当用户的电子设备上出现恶劣天气提醒时，割草机100的显示器14将同步向用户发出提醒，预告用户天气即将不利于户外作业。可以理解的是，用户的电子设备也可通过具体的连接线与该后走式动力工具相连，而不局限于蓝牙连接。
图5至图8揭示了后走式动力工具的显示器14的一种具体结构。显示器14包含电路板144、透光盖141、图像部142、导光部143和固定盖145。电路板144包含用于传输电力和信号的通用部件1442(见图7)，发光器1441(见图6)设置于所述电路板144上，导光部143基本覆盖发光器1441，透光盖141具有一定的透明度，电路板144位于透光盖141和固定盖145之间。
如图7至图8所示，图像部142、导光部143和电路板144一起装配在透光盖141里，并通过卡扣1413固定。在此方案中，螺钉146只需将透光盖141和固定盖145固定，而其它可活动内部部件已通过卡扣1413被透光盖141固定。
图9至图10为显示器14应用在割草机100上的一种实施方式，图像部142为一种图像薄膜142a，该图像薄膜142a位于透光盖141和导光部143之间，被粘在导光部143a的第一表面1431上。导光部143为一个导光板143a，该导光板143a将发光器1441基本覆盖。发光器1441在本实施例中为发光二极管，但 也可为其他可发光的材料或电子元件，在这里不做限制。
如图11所示，导光部143a上有导光槽1432，引导由发光器1441发出的光的传播路径，并防止不同发光器1441发射的光线互相影响。导光槽1432有多种形状，分别用以反映文字、数字、符号、指示灯等不同信息。
在本实施例中，显示器14a的透光盖141和固定盖145由螺钉146固定在一起。图中省略了螺钉穿过电路板144、导光部143、图像部142所经过的孔，以及透光盖141上的螺纹孔位。相比由图5至图8揭示的显示器14的结构，本方案在实际应用中，电路板144上的发光器1441在排布时，需要避开螺钉穿过时所需的螺纹或孔位，对电路板144和导光部143开通螺钉孔也对其空间利用率产生一定影响。
图12为本申请涉及的显示器14的另一实施方式。与前一实施方式不同的是，透光盖141的第二表面1412上具有导光部143b，导光部143b作为透光盖141的一部分，两者在制造过程中一体成型。在一种实施例中，图像部142被直接印刷或刻在透光盖141的第三表面1411上，而不以薄膜形式被贴在透光盖141或导光部143上。
图13为图9和图10揭示的显示器14的侧面剖视图，在一种实施例中，所述透光盖141和所述图像薄膜142a之间可具有胶体1421，该胶体1421将透光盖141和所述图像薄膜142a之间的缝隙基本填补，从而将缝隙中的空气挤出，防止由空气湿度大引起的起雾致使用户很难看清显示器14的显示内容。此外，该胶体1421也可作为一种固定方式，将图像薄膜142a固定在透光盖141上。
图14示出了一种伸缩杆结构200，具体地，为一种长度可调的伸缩杆结构200，该伸缩杆结构200可以被应用于后走式动力工具中，且该后走式动力工具可以是一种割草机201(见图29)或扫雪机等可在草地、雪地等环境下作业，并且具备可推功能的工作机。
如图14所示，后走式动力工具具有一个伸缩杆结构200，该伸缩杆结构200包含握持装置24、伸缩杆组件20和锁紧装置23。其中，握持装置24可供用户握持，以操作该后走式动力工具。伸缩杆组件20包含第一伸缩杆组件21和第二伸缩杆组件22，且第一伸缩杆组件21和第二伸缩杆组件22基本平行。锁紧装置23用于调节伸缩杆组件20的长度。图14中的伸缩杆结构200还包含弹簧软管26，其内部的容纳空间可以用来容纳电线等电路元件，对于由电控制工作的后走式动力工具较为方便。
图15显示了第一伸缩杆组件21、第二伸缩杆组件22和锁紧装置23拆分之后的具体结构。第一伸缩杆组件21和第二伸缩杆组件22的基本原理相同，现 以第一伸缩杆组件21为例详细说明。第一伸缩杆组件21包含第一杆件211和第一杆件212，其中，第一杆件211和第一杆件212具有不同的内径，以使第一杆件211和第一杆件212可以互相套合在一起。在本实施例中，第一杆件211的内径小于第一杆件212的内径，所以第一杆件211伸入第一杆件212的内部。
锁紧装置23包含锁紧杆231、操作件232及锁紧组件230。锁紧组件230又分为第一锁紧组件233和第二锁紧组件234，锁紧杆231连接第一锁紧组件233和第二锁紧组件234，且第一锁紧组件233和第二锁紧组件234位于锁紧杆231的两端。第二盖235和第二盖236提供一个容纳空间，将锁紧杆231、操作件232及锁紧组件230与第一伸缩杆组件21和第二伸缩杆组件22限定在固定空间内。第一锁紧组件233和第二锁紧组件234的原理相同，由锁紧杆231连接，分别位于锁紧杆231的两端，现以第一锁紧组件233为例，描述其具体结构及原理。
图16至图19为作为第一实施例的伸缩杆结构200的具体技术方案。第一锁紧组件233a包含第一转动件2331、刚性件2332和第一弹性件2333。销钉313(见图18)同时穿过第一转动件2331的第一开孔311与锁紧杆231a的第二开孔312，从而将第一转动件2331与锁紧杆231a固定，保证锁紧杆231a转动时，第一转动件2331随锁紧杆231a同步转动。第一转动件2331上还包含一个第一伸长部310(见图16)，当第一转动件2331转动时，第一伸长部310随第一转动件2331同步转动。如图17所示，第一杆件212上包含孔位2122，该孔位2122的直径可供第一转动件2331的第一伸长部310伸入。第一杆件212上还包含一个第一开槽2121，第一弹性件2333穿过第一开槽2121与第一杆件211接触，当第一弹性件2333受到压缩时，挤压第一杆件211并防止其沿第一杆件211的轴向运动。
如图16所示，锁紧组件233a处于第一状态，第一弹性件2332放松，并且第一转动件2331的第一伸长部310位于第一杆件212的孔位2122的外部，此时第一杆件211和第一杆件212可以上下伸缩，即在此状态下，第一伸缩杆组件21的长度可调节。
如图17所示，第一转动件2331包含一个凸轮面，该凸轮面与刚性件2332接触，刚性件2332的下方为第一弹性件2333。锁紧组件233a处于第二状态，第一弹性件2333被刚性件2332压紧，第一弹性件2333的厚度变小。结合图18，第一弹性件2333压紧时产生的摩擦阻力使得第一杆件211无法进一步伸入第一杆件212内；并且第一转动件2331的第一伸长部310位于第一杆件212的孔位2122的内部，从而锁定第一杆件211和第一杆件212的相对位置。此时第一杆件211和第一杆件212通过第一伸长部310在沿第一伸缩杆组件21轴向的方向 上被锁紧，即在此状态下，第一伸缩杆组件21的长度被固定。
需要指出的是，在一些实施方式中，第一弹性件2333和刚性件2332可以为同一个部件，在此不做限制。
如图19所示，销钉316同时穿过锁紧杆231上的第二开孔315及操作件232上的第三开孔314，扭簧318位于操作件232的卡槽317内。在锁紧杆231的另一种实施方式中(见图20和图21)，锁紧杆231b在垂直于其轴线的平面上的截面为非规则的圆形，无需通过销钉来实现操作件232与锁紧杆231的固定。
需要注意的是，无论使用哪一种实施方式来连接锁紧杆231、操作件232、第一锁紧组件233和第二锁紧组件234，锁紧杆231的转动均可同时实现对第一锁紧组件233和第二锁紧组件234的控制。也就是说，当操作操作件232时，第一伸缩杆组件21和第二伸缩杆组件22同时被锁紧或放松，这种操作使得用户无需分别对某一侧的锁紧组件进行操作，来实现对伸缩杆结构200的锁紧或放松。通过设置连接杆231并连接第一锁紧组件233和第二锁紧组件234，两侧的锁紧组件状态一致，用户的解锁或锁定操作更加稳定可靠，不易发生失效。
图22至图26显示了作为第二实施例的伸缩杆结构200的内部构造，下面以第一锁紧组件233b为例，介绍其内部结构。
如图23和图24所示，第一锁紧组件233b包含第二转动件2335，锁定件2336、弹性套筒2337和第二弹性件2338。锁紧杆231c包含一个配合部322和第二伸长部321，该配合部322与第二转动件2335的第一配合面351相配合，当锁紧杆231c旋转时，第二转动件2335同步旋转。锁定件2336包含至少一个限位部363，该限位部363由第二盖235和第二盖236的两者之一、或两者共同限位，使得锁定件2336无法转动，只能沿锁紧杆231c的轴向方向运动。第二转动件2335还包含第二配合面352，该第二配合面352与锁定件2336的第三配合面361相配合，当第二转动件2335旋转时，锁定件2336产生沿锁紧杆231c的轴向方向的位移。由此，锁紧杆231c的旋转致使锁定件2336进入或移出伸缩杆组件21。
下面聚焦于图25和图26，图25中的第一锁紧组件233b处于第一状态，此时，锁定件2336上的第二伸长部362在第一杆件211的第四开孔2111的外部，第二弹性件2338放松，第一杆件211可以向下伸入到第一杆件212中，且弹性套筒2337与第一杆件211的外壁分离，不对第一杆件211产生摩擦力。即在此状态下，第一伸缩杆组件21的长度可调节。图26中的第一锁紧组件233b处于第二状态，此时，锁定杆231c由第一状态中旋转了一定角度，使得第二转动件2335的第二配合面352和锁定件2336的第三配合面361之间的距离缩短，而锁紧杆231c的轴向位置保持不变，致使锁定件2336上的第二伸长部362移动至 第一杆件211的第四开孔2111内，从而第一杆件211无法继续向下伸入到第一杆件212中。同时，第二弹性件2338被压紧，且弹性套筒2337与第一杆件211的外壁贴合，并对第一杆件211产生摩擦力，进一步阻止其相对第一杆件212运动。即在此状态下，第一伸缩杆组件21的长度被固定。
需要指出的是，在一些实施方式中，弹性套筒2337可以作为锁定件2336的一部分，与锁定件2336一体成型，在此不做限制。
图27为操作件232的一种区别于图1的另一实施方式，这里要指出的是，操作件232的具体位置、打开角度等的改变并不影响本申请的效果，单纯对操作件232位置进行变换、而不改变该可伸缩结构200的实现原理的设计均落在本申请的保护范围之内。
参见图28，在一些实施例中，也可以包含第一杆件211、第一杆件212和第一中间杆213的情况，即在第一杆件211和第一杆件212之间增加连接杆，但不影响其功能的实现。
对于第二盖235和第二盖236而言，其功能在于为内部组件提供封闭稳固的空间，可如图15所示，在第二盖236上设置额外的第一端盖2361和第二端盖2362，以方便第一锁紧组件233和第二锁紧组件234的装配。也可如图22所示，第二盖236直接与第二盖235装配，适用于锁紧组件230更易装配的情况。此外，盖板形式也不局限于第二盖235和第二盖236，也可为沿锁紧杆231轴线方向的左盖和右盖，或者左盖、右盖及中间盖的组合，盖板形式在此不做限制。
图29示出了一种后走式动力工具201，该后走式动力工具201包括握持装置24，伸缩杆组件20，锁紧装置23、行走组件25，切割组件27和马达(图中未示出)。握持装置24用于供用户握持，伸缩杆组件20包含第一伸缩杆组件21和第二伸缩杆组件22，行走组件25和握持装置24由第一伸缩杆组件21和第二伸缩杆组件22连接，切割组件27用于完成割草作业，马达用于驱动切割组件27进行割草作业。其具体的技术特征已于前文陈述，在此不做赘述。
需要注意的是，图29的视图方位与图14至图28呈现的方位有所区别，图29是实际应用中的伸缩杆的使用视角，且在实际应用中，锁紧装置23和操作件232的位置可以在伸缩杆结构200上进行调整，不局限于本说明书附图中揭示的方式。如果操作件232是一个操作扳手，扳手的扳动方向、角度等都是可随整体技术方案的改变而变动的，最终服务于操作者，使其拥有良好的操作体验。
图30示出了一种后走式自推工作机，其具体可以是一种割草机400、扫雪机或小推车等其他具备自推功能的工作机。作为一种可选的实施方式，以下以割草机400为例进行介绍。具体地，本实施方式中的割草机400为手推式割草 机400。
如图30所示，割草机400主要包括主机40、操作装置41和集草装置45。主机40包括用于实现后走式动力工具的功能的工作元件。具体而言，主机40包括底盘401、动力机构402和行走组件403，底盘401作为割草机400的主要支撑结构，将各部分组装成一体。行走组件403安装至底盘401用于支撑底盘401，行走组件403相对于底盘401转动从而使底盘401在地面上移动。行走组件403可以为轮子。动力机构402安装至底盘401，用于驱动行走组件403转动，从而带动割草机400在地面上移动。集草装置45连接于主机40后方，用于收集割下的杂草。集草装置45具体可以为集草篮或集草盒。
操作装置41与主机40连接以供用户在割草机400的后侧操作割草机400。本实施方式中的操作装置41包括开关盒411，开关盒411内设置有用于控制工作元件的工作状态的电子元件。
如图31和图32所示，该后走式动力工具还包括设置在开关盒411上的第一安装部42，以及与第一安装部42可拆卸连接的第二安装部43，第二安装部43能够连接或形成于不同的附件。该后走式动力工具能够附接不同的附件，具有较高的通用互换性，能够满足用户不同的使用需求，提高用户的使用满意度。
如图31、图35和图36所示，本实施方式中的附件包括置物盒441、手机支架442、杯架443和电扇等，置物盒441中可以放置手机、钥匙等物品。
在一种实施例中，继续参考图30所示，操作装置41还包括把手412，把手412供用户推动割草机400行走，开关盒411固定至把手412。在该结构下，附件距离用户较近，方便用户取拿和使用。
进一步地，把手412包括握持部4121和连接杆4122，握持部4121供用户握持，以便施力推动割草机400；连接杆4122为中空的长杆结构，连接杆4122用于连接握持部4121和主机40。连接杆4122左右并列设有两根，可提高握持部4121和主机40的连接稳定性。在本实施方式中，握持部4121至少部分沿第一直线方向延伸，连接杆4122沿与第一直线相互垂直的第二直线方向延伸。
握持部4121采用塑料材质，方便成型以及与其他零件的连接，而连接杆4122采用金属材料，保证强度。
开关盒411一端固定于握持部4121，另一端固定于连接杆4122。开关盒411用于容纳工作开关。开关盒411包括开关盒盖和开关盒座，开关盒盖和开关盒座从两侧夹持握持部4121和连接杆4122。
在本实施方式中，第一安装部42和第二安装部43为卡扣连接。卡扣连接结构简单，易于实现和操作。当然，第一安装部42和第二安装部43之间还可 以采用其他的可拆卸连接形式，例如螺纹连接、铰链连接或磁吸连接等，根据实际情况设计即可。
在一种实施例中，如图32至图34所示，第一安装部42为开设在开关盒411上的安装孔，第二安装部43上设置有与安装孔相配合的卡扣431。卡扣431与安装孔卡接，可实现第一安装部42和第二安装部43的快速装拆。关于卡扣431和安装孔的数量，至少设有两个，以提高连接稳定性。本实施方式中卡扣431和安装孔分别设有四个。
进一步，在一种实施例中，第一安装部42为设置在开关盒411上的卡扣431，第二安装部43上设置有与卡扣431相配合的安装孔。
第二安装部43为安装板，安装板与第一安装部42卡扣连接。安装板上设有卡扣431，卡扣431与安装孔卡扣连接。
安装板与附件通过螺钉可拆卸连接，以便更换不同的附件。安装板作为中间连接件，其一端与开关盒411上的第一安装部42连接，另一端与附件连接，可根据实际需要更换与安装板连接的附件种类，具有可互换性，能实现更多的附加功能，提高了通用性和适配性，能够满足用户多样化的使用需求。当然，安装板与附件之间还可通过挂钩挂接于挂槽等可拆卸方式连接，只要能实现安装板与附件之间的快速拆装即可。
在本实施方式中，如图35和图36所示，握持部4121包括供用户左手握持的第一握持部41211和供用户右手握持的第二握持部41212，第一握持部41211和第二握持部41212关于一对称平面对称。当附件为手机支架442时，手机支架442位于第一握持部41211和第二握持部41212之间。在本实施例中第一握持部41211和第二握持部41212为一体式结构，当然，握持部4121也可以由独立的第一握持部41211和第二握持部41212连接而成。
当附件为手机支架442时，手机支架442包括第一连接板和支架本体，第一连接板呈U形，其一端连接于安装板，另一端绕过开关盒411连接支架本体，支架本体用于夹持手机，支架本体朝上并倾斜朝向用户的面部方向设置，以方便用户操作使用。手机与割草机400通讯连接，以实现对割草机400的控制，具体可通过蓝牙等连接方式实现该功能。
如图37所示，当附件为杯架443时，杯架443位于两个连接杆4122之间。具体地，杯架443包括第二连接板和架体，第二连接板一端连接于安装板，另一端固定有架体，架体位于开关盒411下方并位于两个连接杆4122之间，架体用于放置水杯或饮品杯。
当附件为电扇时，电扇的底座连接于安装板，电扇朝向用户设置，以便用 户在使用割草机400时进行吹风，提高用户的使用舒适度。可以理解的是，本实施方式中所指的电扇为小型电扇，例如桌面小电扇和可夹持于床头的小电扇。
下面对图1中的显示器14进一步进行描述。
图38为图1的割草机100的侧视图，图39为图38的局部放大图。如图39所示，握持部131沿第一中分面502基本呈对称分布，第一中分面501为一个垂直于纸面的平面，且第一中分面502沿割草机100的左右方向延伸。显示器14沿第二中分面502基本呈对称分布，第二中分面502为一个垂直于纸面的平面，且第二中分面502沿割草机100的左右方向延伸。因此，在割草机100的侧视图的视角下，握持部131基本沿第一中分面501延伸，显示器14基本沿第二中分面502延伸。第一中分面501和第二中分面502基本平行。此处的“基本”，是指第一中分面501和第二中分面502所成的夹角小于或等于10度。
第二中分面502与伸缩杆组件20基本垂直。其中，伸缩杆组件20为一种可伸缩调节的杆件，并将主机11和把手装置13连接。详见上面的说明书内容。
如图40所示，显示器14包括位于顶端的顶部541和位于底端的底部542。顶部541位于显示器14的最顶端，顶部541不与握持部131直接相连，底部542也不与握持部131直接相连。显示器14包括显示界面543，显示界面543用于将所述后走式动力工具的信息呈现给用户，显示界面543可以由LED、LCD或其他可发光的材料制成。需要说明的是，此处的顶部541可以理解为，当显示器14垂直于水平面时，显示器14的顶部541为一种壳体，壳体围绕在显示界面543外部，顶部541位于显示界面543的上部。在一种实施例中，顶部541位于显示器14的上方。在一种实施例中，若显示界面543布满显示器14的上半部分，则顶部541为显示界面543的上部。
如图41所示，开关盒411连接握持部131的两端，开关盒411上包括安装结构4111，显示器14的底部542安装至开关盒411的安装结构4111。通过安装结构4111，显示器14可与开关盒411形成机械连接和电连接，开关盒411内设置有控制组件，控制组件与显示器14的显示界面543电连接。显示器14可拆卸的安装至把手装置13的安装结构4111。
在一种实施例中，显示器502不可转动的固定至安装结构4111中。
在一种实施例中，显示器14的顶部541可绕底部542转动，第一中分面501和第二中分面502所成的夹角小于或等于45度。在一些实施方式中，第一中分面501和第二中分面502所成的夹角可为15度，30度或45度。
现在回到图4，在一种实施例中，从垂直于显示器14的显示界面543的方向观察显示器14，显示器14仅有一边连接至把手装置13。在一种实施例中， 显示器14仅有一边连接至开关盒411。
从垂直于显示器14的显示界面的方向观察显示器14，显示器14至少具有上边界551和下边界552，且上边界551与下边界552基本平行，下边界552连接至开关盒411。在一种实施例中，可以为显示器14的上边界551连接至握持部131，而使得显示器14的下边界552悬空，控制组件通过握持部131内的走线连接至开关盒411。
根据本申请揭示的技术方案，显示器14的一侧与把手装置13直接相连，另一侧不与把手装置13相连，使得显示器14可被设置为可滑动、可拆卸、可转动的结构，从而增加了显示器14的实用性。一方面，可转动的显示器14满足了更多用户的观察需求；另一方面，可拆卸的显示器14方便更换附件，如将显示器14替换为手机支架442等，以实现更多功能；再一方面，当割草机100的电量不足时，用户可以选择取下显示器14，以节约电量。
需要强调的是，本申请涉及的技术方案不光可以应用于割草机，还可以应用于扫雪机等其他可推的工作机。
以上显示和描述了本申请的基本原理、主要特征和优点。本行业的技术人员应该了解，上述实施例不以任何形式限制本申请，凡采用等同替换或等效变换的方式所获得的技术方案，均落在本申请的保护范围内。

Claims (23)

  1. 一种后走式动力工具，包括：
    主机，包括行走组件和驱动所述行走组件的驱动组件；
    把手装置，包括用于供用户握持的握持部；
    连接杆组件，连接所述主机与所述把手装置；
    其中，
    所述后走式动力工具还包括显示器，所述显示器可显示与所述后走式动力工具有关的信息。
  2. 根据权利要求1所述的后走式动力工具，其中，所述显示器被设置为可滑动地和/或可转动地与所述把手装置连接。
  3. 根据权利要求1所述的后走式动力工具，其中，所述后走式动力工具还包括自走模式开关，所述自走模式开关可将所述后走式动力工具调至自走模式，在所述自走模式下，所述后走式动力工具可根据用户施加的推力大小调节自行走速度。
  4. 根据权利要求1所述的后走式动力工具，其中，所述后走式动力工具还包括刀片模式开关，所述刀片模式开关可控制所述后走式动力工具的刀片旋转速度。
  5. 根据权利要求1所述的后走式动力工具，其中，所述显示器上显示所述后走式动力工具的自走模式信息。
  6. 根据权利要求1所述的后走式动力工具，其中，所述显示器上显示所述后走式动力工具的刀片模式信息。
  7. 根据权利要求1所述的后走式动力工具，其中，所述显示器上显示所述后走式动力工具的照明灯信息。
  8. 根据权利要求1所述的后走式动力工具，其中，所述显示器上显示所述后走式动力工具的电量信息。
  9. 根据权利要求1所述的后走式动力工具，其中，所述显示器上显示所述后走式动力工具的故障信息。
  10. 根据权利要求1所述的后走式动力工具，其中，所述后走式动力工具通过蓝牙连接用户的电子设备，并在所述显示器上显示所述电子设备的信息。
  11. 根据权利要求1所述的后走式动力工具，其中，所述显示器与所述把手装置可拆卸的连接。
  12. 根据权利要求1所述的后走式动力工具，其中，所述把手装置包括开关盒，所述开关盒内设置有用于控制工作元件的工作状态的电子元件。
  13. 根据权利要求12所述的后走式动力工具，其中，所述显示器被设置为可滑动地和/或可转动地与所述把手装置连接。
  14. 根据权利要求12所述的后走式动力工具，其中，所述显示器仅有一侧与所述把手装置相连。
  15. 根据权利要求14所述的后走式动力工具，其中，所述显示器包括位于底端的底部，所述显示器的所述底部与所述开关盒相连。
  16. 根据权利要求14所述的后走式动力工具，其中，所述显示器包括位于顶端的顶部，所述显示器的所述顶部与所述握持部相连。
  17. 根据权利要求12所述的后走式动力工具，其中，所述显示器包括显示界面，显示界面用于将所述后走式动力工具的信息呈现给用户，从垂直于所述显示界面的方向观察所述显示器，所述显示器至少具有上边界和下边界，所述上边界与所述下边界基本平行，所述下边界连接至所述开关盒。
  18. 根据权利要求1所述的后走式动力工具，其中，定义第一中分面为一个垂直于纸面的平面，且所述第一中分面沿所述后走式动力工具的左右方向延伸，所述握持部沿所述第一中分面基本呈对称分布；定义第二中分面为一个垂直于纸面的平面，且所述第二中分面沿所述后走式动力工具的左右方向延伸，所述显示器沿所述第二中分面基本呈对称分布；所述第一中分面和所述第二中分面基本平行。
  19. 根据权利要求18所述的后走式动力工具，其中，所述第一中分面和所述第二中分面之间的夹角小于或等于45度。
  20. 根据权利要求18所述的后走式动力工具，其中，所述后走式动力工具还包括伸缩杆组件，所述伸缩杆组件可伸缩调节，所述伸缩杆组件将所述主机和所述把手装置连接，所述第二中分面与所述伸缩杆组件基本垂直。
  21. 根据权利要求1-20所述的后走式动力工具，其中，所述后走式动力工具为一种割草机。
  22. 一种后走式动力工具，包括：
    主机，包括行走组件和驱动所述行走组件的驱动组件；
    把手装置，包括用于供用户握持的握持部；
    连接杆组件，连接所述主机与所述把手装置；
    其中，
    所述后走式动力工具还包括显示器，所述显示器可显示与所述后走式动力工具有关的信息，所述显示器被设置为可滑动地和/或可转动地与所述把手装置连接。
  23. 一种后走式动力工具，包括：
    主机，包括行走组件和驱动所述行走组件的驱动组件；
    把手装置，包括用于供用户握持的握持部；
    连接杆组件，连接所述主机与所述把手装置；
    其中，
    所述后走式动力工具还包括显示器，所述显示器可显示与所述后走式动力工具有关的信息，所述显示器仅有一侧与所述把手装置相连。
PCT/CN2022/124869 2021-11-01 2022-10-12 后走式动力工具 WO2023071798A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22885677.9A EP4295659A1 (en) 2021-11-01 2022-10-12 Walk-behind power tool
US18/470,206 US20240008399A1 (en) 2021-11-01 2023-09-19 Walk-behind working machine

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN202111284012.8 2021-11-01
CN202111284012.8A CN116058157A (zh) 2021-11-01 2021-11-01 后走式花园工作机
CN202123106186.3U CN217462778U (zh) 2021-12-08 2021-12-08 一种长度可调的伸缩杆结构及后走式工作机
CN202123106186.3 2021-12-08
CN202221939497.X 2022-07-26
CN202221939497.XU CN217722067U (zh) 2022-07-26 2022-07-26 一种后走式动力工具

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/470,206 Continuation-In-Part US20240008399A1 (en) 2021-11-01 2023-09-19 Walk-behind working machine

Publications (1)

Publication Number Publication Date
WO2023071798A1 true WO2023071798A1 (zh) 2023-05-04

Family

ID=86159131

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/124869 WO2023071798A1 (zh) 2021-11-01 2022-10-12 后走式动力工具

Country Status (2)

Country Link
EP (1) EP4295659A1 (zh)
WO (1) WO2023071798A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220279714A1 (en) * 2021-03-02 2022-09-08 Honda Motor Co., Ltd. Electric mower switch system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030144774A1 (en) * 2002-01-29 2003-07-31 Trissel Ronald L. Kit and method for converting conventional lawnmower to a robotic lawnmower
CN1828459A (zh) * 2005-03-02 2006-09-06 特克斯特朗有限公司 草坪割草机数据显示和控制器
CN104582468A (zh) * 2012-04-17 2015-04-29 布里格斯斯特拉顿公司 用于发动机的启动系统
CN205232788U (zh) * 2015-11-10 2016-05-18 惠州市绿湖园艺工程有限公司 一种割草机
CN108040579A (zh) * 2017-12-20 2018-05-18 广西柳工农业机械股份有限公司 一种智能收割控制系统
CN108040578A (zh) * 2017-11-19 2018-05-18 上海七桥机器人有限公司 一种剪草机的控制方法和控制装置、以及使用其的剪草机
CN208638994U (zh) * 2018-02-27 2019-03-26 创科（澳门离岸商业服务）有限公司 具有数据信息显示能力的割草机及割草机系统
CN210113796U (zh) * 2019-04-18 2020-02-28 南京德朔实业有限公司 手推式动力工具
CN112512300A (zh) * 2018-08-08 2021-03-16 托罗公司 用于训练自主车辆的手柄和方法及其存放方法
DE112018007931T5 (de) * 2018-08-24 2021-05-06 Honda Motor Co., Ltd. Arbeitsgerät

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030144774A1 (en) * 2002-01-29 2003-07-31 Trissel Ronald L. Kit and method for converting conventional lawnmower to a robotic lawnmower
CN1828459A (zh) * 2005-03-02 2006-09-06 特克斯特朗有限公司 草坪割草机数据显示和控制器
CN104582468A (zh) * 2012-04-17 2015-04-29 布里格斯斯特拉顿公司 用于发动机的启动系统
CN205232788U (zh) * 2015-11-10 2016-05-18 惠州市绿湖园艺工程有限公司 一种割草机
CN108040578A (zh) * 2017-11-19 2018-05-18 上海七桥机器人有限公司 一种剪草机的控制方法和控制装置、以及使用其的剪草机
CN108040579A (zh) * 2017-12-20 2018-05-18 广西柳工农业机械股份有限公司 一种智能收割控制系统
CN208638994U (zh) * 2018-02-27 2019-03-26 创科（澳门离岸商业服务）有限公司 具有数据信息显示能力的割草机及割草机系统
CN112512300A (zh) * 2018-08-08 2021-03-16 托罗公司 用于训练自主车辆的手柄和方法及其存放方法
DE112018007931T5 (de) * 2018-08-24 2021-05-06 Honda Motor Co., Ltd. Arbeitsgerät
CN210113796U (zh) * 2019-04-18 2020-02-28 南京德朔实业有限公司 手推式动力工具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220279714A1 (en) * 2021-03-02 2022-09-08 Honda Motor Co., Ltd. Electric mower switch system
US11937544B2 (en) * 2021-03-02 2024-03-26 Honda Motor Co., Ltd. Electric mower switch system

Also Published As

Publication number Publication date
EP4295659A1 (en) 2023-12-27

Similar Documents

Publication Publication Date Title
US6470576B2 (en) Battery powered circular saw
WO2023071798A1 (zh) 后走式动力工具
CN108790946B (zh) 后走式自推进机器
US9169609B2 (en) Removable lamp for outdoor power equipment
CN108684299B (zh) 手持式工具机
EP3669628B1 (en) Garden tool and control box thereof
US20240172588A1 (en) Riding lawn mower
WO2020001637A1 (zh) 手推式电动工具
CN113115626A (zh) 骑乘式割草机
GB2185453A (en) Motorised golf trolley
CN201075905Y (zh) 打草机
CN108781713B (zh) 后走式自推进机器
US20240008399A1 (en) Walk-behind working machine
CN218634778U (zh) 打草机
CN110731162B (zh) 手推式园林工具及其控制方法
CN211353111U (zh) 手推式园林工具
US11997945B2 (en) Hand push lawn mower with a height adjustment assembly
CN114365616B (zh) 手推式电动工具
CN220441320U (zh) 一种后走式割草机
CN220157045U (zh) 后走式割草机
JPH06278101A (ja) 電動丸鋸
CN210610350U (zh) 园林工具
CN217539061U (zh) 一种园林吹风机手柄结构
CN116058157A (zh) 后走式花园工作机
JPH08322765A (ja) 電気掃除機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22885677

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2022885677

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2022885677

Country of ref document: EP

Effective date: 20230920