CN107225537A - Electric tool and torsion output instrument - Google Patents

Electric tool and torsion output instrument Download PDF

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Publication number
CN107225537A
CN107225537A CN201610781510.6A CN201610781510A CN107225537A CN 107225537 A CN107225537 A CN 107225537A CN 201610781510 A CN201610781510 A CN 201610781510A CN 107225537 A CN107225537 A CN 107225537A
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CN
China
Prior art keywords
sensor
controller
electric tool
motor
power device
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Legal status (The legal status 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 status listed.)
Pending
Application number
CN201610781510.6A
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Chinese (zh)
Inventor
石平波
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Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry Co Ltd
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
Application filed by Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Publication of CN107225537A publication Critical patent/CN107225537A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention discloses a kind of electric tool, including:Power device, at least One function for realizing electric tool;Power supply, for being powered for power device;Sensor, for perceiving touch of the user to electric tool designated area;Controller, for receiving signal that sensor sent to control power device;Tool housing, for accommodating controller;Wherein, sensor at least partly exposes tool housing.Electric tool disclosed by the invention has the advantages that dustproof and waterproof effect is good, occupied little space.

Description

Electric tool and torsion output instrument
Technical field
The present invention relates to electric tool, and in particular to a kind of electric tool with sensor.
Background technology
Electric tool uses electric energy as power, passes through the power device power output drive mechanism in electric tool Work, the Working Life given people brings great convenience.
The function that existing electric tool generally controls electric tool using mechanical switch is realized.Such as drill kind tool, it Power switch be mechanical switch, come Switching Power Supply by way of user's operation machinery is switched, in addition, to needing speed governing Electric tool, be used as speed-regulating switch frequently with trigger mechanism.But it is above-mentioned can the mechanical switch of dial type there is service life Short, space-consuming is big, the bad defect of dustproof and waterproof effect.
The content of the invention
A kind of electric tool, including:Power device, at least One function for realizing electric tool;Power supply, for for Power device is powered;Sensor, for perceiving touch of the user to electric tool designated area;Controller, for receiving sensing The signal that device is sent is to control power device;Tool housing, for accommodating controller;Wherein, sensor at least partly exposes Tool housing.
Further, in addition to:Device is switched, for the electrical connection between on or off power device and power supply;Control Device switchs to constitute to be electrically connected with device controls power device to allow the controller to the signal sent according to sensor.
Further, in addition to:Work head, for clamping workpiece;Power device includes:Motor, for driving work head to turn It is dynamic;Controller at least can be according to the steering of the signal control motor of sensor.
Further, in addition to:Power device includes motor;Controller at least can be according to the signal control motor of sensor Turn to.
Further, power device includes motor;Controller at least can be according to the rotating speed of the signal control motor of sensor.
Further, power device includes motor;Controller can at least be turned round according to the output of the signal control motor of sensor Square.
Further, power device includes:Indicator lamp, the status information for indicating electric tool;Controller at least can root Indicator lamp is controlled according to the signal of sensor.
Further, the status information indicated by indicator lamp includes:The charging and discharging state information of power supply, the rotating shape of motor The operational mode state information of state information and/or electric tool.
Further, power device includes:Illuminating lamp, the working region for illuminating electric tool;Controller at least can root Illuminating lamp is controlled according to the signal of sensor.
A kind of torsion exports instrument, including:Output shaft, the torsion output for realizing torsion output instrument;Motor, is used for Drive output shaft rotation;Power supply, for being powered for motor;Sensor, the specified area of instrument is exported for perceiving user to torsion The touch in domain;Controller, for receiving signal that sensor sent with controlled motor;Tool housing, for accommodating controller; Wherein, sensor at least partly exposes tool housing.
Another electric tool, including:Power device, at least One function for realizing the electric tool;Power supply, For being powered for the power device;Sensor, is used for being perceived when user not yet touches the electric tool designated area The action at family;Controller, for receiving signal that the sensor sent to control the power device;Tool housing, is used In the receiving controller;Wherein, the sensor at least partly exposes the tool housing.
Further, the distance to a declared goal maximum that the sensor is used to perceive user action is 10cm.
The present invention is advantageous in that the electric tool with sensor is provided, to solve existing electric tool because of machine Tool switchs the defect that the service life brought is short, space-consuming is big, dustproof and waterproof effect is bad.
Brief description of the drawings
Fig. 1 is the structural representation of the electric tool of first embodiment of the invention;
Fig. 2 is the system architecture schematic block diagram of electric tool shown in Fig. 1;
Fig. 3 is the sensory-control system theory diagram of electric tool shown in Fig. 1;
Fig. 4 is the structural representation of the electric tool of second embodiment of the invention;
Fig. 5 is the structural representation of the electric tool of third embodiment of the invention;
Fig. 6 is the planar structure schematic diagram of sensor in electric tool shown in Fig. 5.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
It is example with an electric drill 100 referring to figs. 1 to the electric tool shown in Fig. 3, including:Tool housing 11, motor 12nd, work first 13, power supply 14, sensor 15 and controller 16.Wherein, power supply 14 and motor 12 are power device, power supply 14 be that motor 12 is powered, and work first 13 is connected with motor 12, and the driving of motor 12 work first 13 is rotated.
In the present embodiment, tool housing forms main frame portion 111 and handle portion 112, and main frame portion 111 is used to accommodate such as Each part in the grade electric tool of motor 12, handle portion 112 grips to operate the electric tool 100 for user.Handle portion 112 with Main frame portion 11 is generally perpendicular to each other, and illuminating lamp 17, the work for illuminating electric tool are provided with by the side in main frame portion in handle portion Make region.Motor 12 is as the power resources of the electric tool 100, and it includes that the motor shaft of power can be exported, and motor shaft leads to Cross and pass around the center axis thereof of its own, drive the synchronous axial system of work first 13.
At least part of sensor 15 exposes tool housing 11, for perceiving touch of the user to electric tool designated area, Sensor 15 can be one kind in button sensor, sliding sensor or noncontacting proximity sensor or its combination.
As shown in figure 1, electric tool 100 includes:First sensor 151, is easy to what user touched installed in main frame portion 111 Outside, can be arranged to start the device switch of the electric drill, for the electrical connection between on or off motor and power supply.Enter one Step ground, first sensor 151 uses button capacitance sensor.
The inner side gripped in the confession user of handle portion 112 sets second sensor 152, and user is when gripping handle portion, energy The triggering second sensor 152 of enough relatively convenients, the sensor 152 can be arranged to the regulation switch of the electric drill.
The outside gripped in the confession user of handle portion 112 sets 3rd sensor 153, can be arranged to be used for regulation motor The soft-touch control of steering.
Controller 16 is located in tool housing, for receiving signal that sensor sends to control power device.It is used as tool One kind of body embodiment, as shown in Fig. 2 user touches first sensor 151, first sensor 151 perceives the touch of user The information is simultaneously converted into the first electric signal for being available for controller 16 to receive by information, and controller, which is received, comes from first sensor 151 The first electric signal after export the first control signal to power supply 14, with the electrical connection being turned on or off between motor and power supply.With Family touches second sensor 152, and second sensor 152, which perceives the touch information of user and is converted into the information, is available for controller 16 the second electric signals received, controller 16 receives the control of output second letter after the second electric signal from second sensor 152 Number to motor 12, with the rotating speed size of controlled motor 12.User touches 3rd sensor 153, and 3rd sensor perceives user's The information is simultaneously converted into the 3rd electric signal for being available for controller 16 to receive by touch information, and controller 16 is received from the 3rd sensing The 3rd control signal is exported after 3rd electric signal of device to motor 12, with the steering of controlled motor.Certainly, controller can also be according to The drive signal duty rotated according to the output torque of the corresponding controlled motor of the electric signal output of the sensor of reception, motor Than etc. other controling parameters control signal.
As a kind of embodiment, sensor is capacitance sensor, including touch portion 154 and tablet 155, tablet 155 are electrically connected with controller, and electric capacity is formed between touch portion 154 and tablet 155, in the case of without ectocine, should Electric capacity is certain value.When user's finger is close to 154 upper area of touch portion, electric interfering field can be produced so that the He of touch portion 154 Electric capacity between tablet 155 changes, and controller 16 is according to the capacitance increase information received to export corresponding control Signal.Certainly, also can be by detecting that circuit 161 detects the electric field change between touch portion 154 and tablet 155, controller 16 The electric field information of change is received to export corresponding control signal.Wherein, tablet 155 can be set directly on pcb board, The application mode of button, slider bar is configured on pcb board, spring key is may be alternatively configured and is inserted on pcb board.
As shown in figure 3, during user's finger contacts touch portion, the electric capacity increase between touch portion 154 and tablet 155, when When the capacitance increase of input controller is more than default capacitance increase value, controller sends Continuity signal to device switch 19, makes Obtain and turned between power supply and the power device of such as motor, motor rotates to drive electric tool to work.
Wherein, touch portion 154 is structure as a whole with tool housing 11, so as to effectively prevent dust from entering by switching gap In tool housing, it is to avoid housing interior element is contaminated.Further, conductive be situated between is filled between touch portion 154 and tablet 155 Matter.
User, it is necessary to realize different functions, for example, needs to change motor when carrying out different operating when using electric drill Rotating speed, second sensor can be a sliding strip type capacitance sensor, and the sliding strip type capacitance sensor and controller are electrically connected with, sliding The touch portion of bar formula capacitance sensor is from left to right arranged to increase the function of motor speed from small to large, in use, user Finger is slided to the right in touch portion can conveniently realize the increase of motor speed, and user's finger slides realization electricity in touch portion to the left The reduction of machine rotating speed.A kind of specific embodiment, controller receives the capacitance increase information of touch portion diverse location, according to electricity Hold the drive circuit signal dutyfactor of increment information output regulation motor, to reach the effect of regulation motor rotating speed.
3rd sensor is set to a sliding strip type capacitance sensor, the touch portion of the sliding strip type capacitance sensor is set For alternative switch, when user contacts touch portion's left end, controller, which is sent, makes the reverse control signal of motor reversal, when When user contacts touch portion's right-hand member, controller sends the rotating forward control signal for rotating forward motor, specifically, controller is according to reception The sense of current of drive circuit of capacitance increase information output regulation motor change the rotation direction of motor.
As one kind of embodiment, sliding strip type capacitance sensor includes touch portion and tablet, leaned in touch portion The side of near-induction plate sets multiple contacts being connected with controller, and contact, controller are formed during user's finger contacts touch portion Built-in processing unit calculates the position coordinates that contact obtains contact to the capacitance change of each contact, and user's finger is being touched Portion slides to form multiple contacts, and the processing unit processes of controller obtain the position coordinates of each contact, and according to each contact Position coordinates analyzes the contact path for obtaining user, and processing unit is calculated pre- in obtained contact path and controller by controller If mobile route compare after, then the control signal that is matched with preset path is exported, for example, that is slided to the left in controller presets The preset path correspondence output slided to the right in the control signal of path correspondence output increase motor speed, controller reduces motor The control signal of rotating speed.
As one kind of embodiment, the touch portion of slidingtype capacitance sensor and tablet can be arranged to strip Shape, the control signal for changing controller by horizontally slipping is exported;Also circular arc can be arranged to, by horizontally slipping or up and down The mode of slip changes the control signal output of controller.
As one kind of embodiment, illuminating lamp 17 is electrically connected with controller, signal control of the controller according to sensor The open and close of illuminating lamp processed, specifically, sensor can be arranged to non-touch sensing device, for not yet being touched in user The action of user is perceived during electric tool designated area, electric tool designated area refers to be arranged on can feel on electric tool Know the region of user action, when user is close to designated area certain distance, non-touch sensing device can perceive the dynamic of user Make, and send related power information to controller, controller receives power information output control signal to start illuminating lamp, wherein, The maximum occurrences scope of certain distance is 10cm.For example, setting second sensor to be noncontacting proximity sensor, by second sensor As the starting switch of illuminating lamp, second sensor is electrically connected with controller, is concatenated between second sensor and controller Circuit is detected, capacitance increase signal is enlarged into by voltage by sensing detection circuit or current signal is inputted to controller, control Device starts the control signal of illuminating lamp according to the change output of the voltage or current signal received, and user is close to second sensor In 10cm distance, controller output starts the control signal of illuminating lamp, and illuminating lamp is bright.
As one kind of embodiment, the electric drill shown in Fig. 1 also includes indicator lamp 17, and indicator lamp electrically connects with controller Connect, controller controls indicator lamp to indicate the status information of electric drill according to the signal of sensor.Specifically, indicator lamp can be used for referring to Show whether electric drill works, user touches first sensor, the signal output control signal that controller receives first sensor is extremely filled Switch and indicator lamp are put, device switch conduction, indicator lamp is bright, show that electric drill power on is started working.
Certain, indicator lamp may be also configured to the positive-negative rotation state of indication motor, and user is touched for changing motor During the sensor of steering 3rd sensor as the aforementioned, controller is simultaneously emitted by the 3rd control signal to motor and indicator lamp, electricity It is green that machine, which rotates forward indicator lamp, and motor reversal indicator lamp is designated as red.Wherein, indicator lamp can be a LED element, with multiple Pin, pin is electrically connected with controller.
Indicator lamp may be also configured to indicate power supply charge and discharge power information, wherein, power supply be a battery bag, battery bag with Controller is electrically connected with, and controller outputs control signals to indicator lamp according to the battery bag electricity size of input, to show battery The electricity of bag.
It should be noted that the electric tool can also include the torsion output work of the output shaft for outputting torsion Tool, such as impact screwdriver spanner, electric drill screwdriver or other multi-purpose tools.
With reference to shown in Fig. 4, a kind of structural representation of the electric tool provided for second embodiment of the invention, this is electronic Instrument 200 is hair-dryer, including:Housing 21, fan, motor, capacitance sensor 22 and controller, motor are used to drive fan to turn It is dynamic, housing 21 be formed with the air channel portion 212 of the handle portion 211 gripped for user and guiding air-flow, housing accommodate controller and Fan, the agent structure of hair-dryer is substantially the same with existing hair-dryer agent structure, is repeated no more here.
In the handle portion 211 of hair-dryer, capacitance sensor 22, including touch portion 221 and tablet 222, touch portion shape are set Into multiple Petting Areas, each Petting Area is arranged to be used for activating the input of hair-dryer different functionalities, including:Blown for starting The input of blower fan, the input for adjusting rotation speed of the fan, for change fan steering input and for activating indicator lamp Input.Multiple induction zones that the formation of tablet 222 matches with Petting Area, each induction zone is electrically connected with controller.
Touch portion forms the first Petting Area and the second Petting Area, accordingly, and tablet formation is matched with the first Petting Area First induction zone and the second induction zone matched with the second Petting Area, wherein, the first Petting Area and the first induction zone and controller It is electrically connected with, when the first Petting Area is triggered, output induced signal to controller, controller receives induced signal, is adjusted by PWM The rotating speed of section mode regulation motor, and then adjust the rotating speed for the fan being motor driven;Also it can be gone here and there between controller and motor Potentiometer is connect, changes the rotating speed of motor, the first Petting Area and the first induction zone composition by way of controller adjusts potentiometer The first capacitance sensor be arranged to slidingtype capacitance sensor.
Second Petting Area and the second induction zone are electrically connected with controller, when the second Petting Area is triggered, capacitance variations, control Device processed receives capacitance change, if capacitance change is different from default capacitance variations threshold value in controller, controller output Continuity signal, connects the power supply supply of motor, and motor rotary blower is started working.Specifically, being gone here and there between power supply and motor Device switch is connect, the signal of controller output control/closing device switch is supplied with the power supply for realizing motor, and then controls to blow The startup and closing of blower fan.When device switch is MOS switch pipe, the break-make of MOS switch pipe is adjusted by PWM regulative modes.The Second capacitance sensor of two Petting Areas and the second induction zone composition is arranged to button capacitance sensor.
It should be noted that the first tablet and the second tablet may be disposed on same circuit printing plate, accordingly First Petting Area and the second Petting Area are arranged in same touch portion, it is of course also possible to according to Petting Area input function not With being disposed on the diverse location of blower enclosure, the quantity of Petting Area is not limited to two kinds described in embodiment.
With reference to shown in Fig. 5, a kind of structural representation of the electric tool provided for third embodiment of the invention, this is electronic Instrument is sander 300, including:Shell 31, bottom plate 32, motor(It is not shown), transmission mechanism, capacitance sensor (including first The capacitance sensor 352 of capacitance sensor 351 and second) and controller(It is not shown).
Wherein, the formation handle portion 311 of shell 31 and main part 312, handle portion 311 are gripped for user, and main part 312 is formed There is accommodating chamber, for accommodating motor, transmission mechanism and controller, one end of the formation accommodating chamber of main part 312 connects with handle portion 311 Connect, bottom plate 32 is located at the side of shell 31, and the function of grinding and buffing is realized for fixing polishing part.Transmission mechanism is arranged on bottom plate Between 32 and motor, the reciprocating motion that the rotatory force that motor is produced is transformed into bottom plate 32 is realized and polished.The body junction of sander Structure is substantially the same with existing sander agent structure, is repeated no more here.
One capacitance sensor, capacitance sensor and capacitance sensor in foregoing electric drill and hair-dryer are set on shell 31 Principle is identical, including touch portion and tablet, can be configured as different types of capacitance sensor, such as RC one touch types capacitance sensing Device, slidingtype capacitance sensor;Also it can be configured as to realize the capacitance sensor of difference in functionality, likewise, can be by realizing work( Capacitance sensor is divided into the first capacitance sensor 351 and the second electric capacity for being independently distributed and not existed together in shell 31 by the difference of energy Sensor 352, also can be integrated into an entirety by the touch portion of the first capacitance sensor and the second capacitance sensor collection, be arranged at Handle portion is touched for user and used, and is realized the unlatching, speed governing and turning function of sander, is repeated no more here.
User using sander polish workpiece when, it is necessary to which regulation motor rotating speed is used as reality with the polishing speed of regulating base board One kind of mode is applied, one button capacitance sensor can be set in handle portion, the change for pressing touch portion dynamics by user is adjusted Save the rotating speed of motor.Specifically, touch portion 351 is provided with contact by the inner side of tablet, electrically connected with controller 36 by contact Connect, tablet 352 and controller are electrically connected with, when controller accounts for touch portion according to the capacitance increase that pressing is produced and pressed completely The percentage of capacitance increase exports the control signal of regulation motor rotating speed.
With reference to shown in Fig. 6, first sensor 351 and second sensor 352 can be integrated into one, specifically, the first sense Plate 351b and the second tablet 352b is answered to may be disposed on same circuit printing plate, corresponding first Petting Area 351a and second Petting Area 352a is arranged in same touch portion, wherein, provided with exhausted between the first tablet 351b and the second tablet 352b Edge layer is isolated, and conducting medium is filled between the first tablet 351b and the first Petting Area 351a.
Touch portion forms the first Petting Area 351a and the second Petting Area 352b, accordingly, and tablet formation is touched with first First induction zone 351b of area 351a matchings and the second induction zone 352b matched with the second Petting Area 352a, wherein, first touches Area 351a and the first induction zone 352a is touched to be electrically connected with controller, when the first Petting Area is triggered, output induced signal to control Device processed, controller receives induced signal, by the rotating speed of PWM regulative mode regulation motors, and then adjusts the biography being motor driven The rotating speed of motivation structure;Also potentiometer can be concatenated between controller and motor, is changed by way of controller adjusts potentiometer First capacitance sensor of the rotating speed of motor, the first Petting Area 351a and the first induction zone 351b compositions is arranged to slidingtype electricity Hold sensor.
Second Petting Area 351b and the second induction zone 352b is electrically connected with controller, when the second Petting Area is triggered, electricity Hold change, controller receives capacitance change, if capacitance change is different from default capacitance variations threshold value in controller, controlled Device processed exports Continuity signal, connects the power supply supply of motor, and motor rotating actuator is started working.Specifically, power supply with Device switch is concatenated between motor, the signal of controller output control/closing device switch is supplied with the power supply for realizing motor, And then control the startup and closing of transmission mechanism.When device switch is MOS switch pipe, MOS switch is adjusted by PWM regulative modes The break-make of pipe.Second capacitance sensor of the second Petting Area 352b and the second induction zone 352b compositions is arranged to button electric capacity Sensor.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent substitution or equivalent transformation Technical scheme, all falls within protection scope of the present invention.

Claims (10)

1. a kind of electric tool, including:
Power device, at least One function for realizing the electric tool;
Power supply, for being powered for the power device;
Sensor, for perceiving touch of the user to the electric tool designated area;
Controller, for receiving signal that the sensor sent to control the power device;
Tool housing, for accommodating the controller;
Wherein, the sensor at least partly exposes the tool housing.
2. electric tool according to claim 1, it is characterised in that:
The electric tool also includes:
Device is switched, for the electrical connection between power device described on or off and the power supply;
The controller is constituted with described device switch and is electrically connected with to allow the controller to the signal sent according to the sensor Control the power device.
3. electric tool according to claim 1, it is characterised in that:
Work head, for clamping workpiece;
The power device includes:
Motor, for driving the work head to rotate;
The controller can at least control the steering of the motor according to the signal of the sensor.
4. electric tool according to claim 1, it is characterised in that:
The power device includes motor;
The controller can at least control the steering of the motor according to the signal of the sensor.
5. electric tool according to claim 1, it is characterised in that:
The power device includes motor;
The controller can at least control the rotating speed of the motor according to the signal of the sensor.
6. electric tool according to claim 1, it is characterised in that:
The power device includes motor;
The controller can at least control the output torque of the motor according to the signal of the sensor.
7. electric tool according to claim 1, it is characterised in that:
The power device includes:
Indicator lamp, the status information for indicating the electric tool;
The controller at least can control the indicator lamp according to the signal of the sensor.
8. electric tool according to claim 7, it is characterised in that:
Status information indicated by the indicator lamp includes:
The operational mode state information of the charging and discharging state information of power supply, the positive-negative rotation state information of motor and/or electric tool.
9. electric tool according to claim 1, it is characterised in that:
The power device includes:
Illuminating lamp, the working region for illuminating the electric tool;
The controller at least can control the illuminating lamp according to the signal of the sensor.
10. a kind of torsion exports instrument, including:
Output shaft, the torsion output for realizing the torsion output instrument;
Motor, for driving the output shaft rotation;
Power supply, for being powered for the motor;
Sensor, for perceiving the touch that user exports the designated area of instrument to the torsion;
Controller, for receiving signal that the sensor sent to control the motor;
Tool housing, for accommodating the controller;
Wherein, the sensor at least partly exposes the tool housing.
CN201610781510.6A 2016-03-23 2016-08-29 Electric tool and torsion output instrument Pending CN107225537A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2016101683692 2016-03-23
CN201610168369 2016-03-23

Publications (1)

Publication Number Publication Date
CN107225537A true CN107225537A (en) 2017-10-03

Family

ID=59932019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610781510.6A Pending CN107225537A (en) 2016-03-23 2016-08-29 Electric tool and torsion output instrument

Country Status (1)

Country Link
CN (1) CN107225537A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019228519A1 (en) * 2018-06-01 2019-12-05 苏州宝时得电动工具有限公司 Electric tool
WO2022166803A1 (en) * 2021-02-04 2022-08-11 南京泉峰科技有限公司 Electric screwdriver

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Publication number Priority date Publication date Assignee Title
JP2008207287A (en) * 2007-02-27 2008-09-11 Matsushita Electric Works Ltd Power tool system
CN102107425A (en) * 2009-12-17 2011-06-29 安德烈亚斯.斯蒂尔两合公司 Manually operated tool device
CN201950652U (en) * 2011-03-28 2011-08-31 南京久驰机电实业有限公司 Direct-current electric tool capable of automatically displaying electric quantity
CN203386019U (en) * 2013-07-29 2014-01-08 深圳远驰电动工具有限公司 Electric tool with touch switch
CN105588400A (en) * 2014-11-07 2016-05-18 Lg电子株式会社 Refrigerator and method for controlling the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008207287A (en) * 2007-02-27 2008-09-11 Matsushita Electric Works Ltd Power tool system
CN102107425A (en) * 2009-12-17 2011-06-29 安德烈亚斯.斯蒂尔两合公司 Manually operated tool device
CN201950652U (en) * 2011-03-28 2011-08-31 南京久驰机电实业有限公司 Direct-current electric tool capable of automatically displaying electric quantity
CN203386019U (en) * 2013-07-29 2014-01-08 深圳远驰电动工具有限公司 Electric tool with touch switch
CN105588400A (en) * 2014-11-07 2016-05-18 Lg电子株式会社 Refrigerator and method for controlling the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019228519A1 (en) * 2018-06-01 2019-12-05 苏州宝时得电动工具有限公司 Electric tool
CN110856439A (en) * 2018-06-01 2020-02-28 苏州宝时得电动工具有限公司 Electric tool
WO2022166803A1 (en) * 2021-02-04 2022-08-11 南京泉峰科技有限公司 Electric screwdriver

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Application publication date: 20171003

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