CN104742072B - Electric screwdriver - Google Patents
Electric screwdriver Download PDFInfo
- Publication number
- CN104742072B CN104742072B CN201410521101.3A CN201410521101A CN104742072B CN 104742072 B CN104742072 B CN 104742072B CN 201410521101 A CN201410521101 A CN 201410521101A CN 104742072 B CN104742072 B CN 104742072B
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- CN
- China
- Prior art keywords
- electric screwdriver
- handle casing
- output shaft
- wire stripping
- motor
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/18—Devices for illuminating the head of the screw or the nut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION 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
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION 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
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION 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
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The invention discloses an electric screwdriver which comprises a motor, a handle outer shell, a transmission device and an output shaft. The motor and the transmission device are arranged in the handle outer shell. The output shaft extends out of the front end of the handle outer shell. The transmission device can be driven by the motor and drive the output shaft to rotate with a first axis as an axis. The electric screwdriver further comprises a power supply, an electrometric component, a circuit component and an operation switch. The electrometric component is used for detecting whether an object is electrified. The circuit component controls whether the power supply provides power for the motor. The operation switch is in rotating connection with the handle outer shell. The electrometric component comprises a detecting antenna arranged out of the handle outer shell and an electrometric button which is pressed by a user when electricity needs to be measured. The electric screwdriver is ingenious in structure, the structures which achieve various functions are integrated to one whole reasonably, and the electric screwdriver is easy to achieve, low in cost and suitable for promotion.
Description
Technical field
The present invention relates to a kind of electric screwdriver, and in particular to a kind of Multipurpose electric screwdriver.
Background technology
For electrician, hand screwdriver is indispensable instrument, in addition also needs to wire stripper, needle-nose plierss, pocket lamp, survey
Electroprobe etc. instrument, in order to complete primary connection work, it is often necessary to use instrument listed above, and frequent switching.
Still there is no Multipurpose electric screwdriver a kind of rational in infrastructure reliable and that function above can be realized now.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of rational in infrastructure, practical multiplex
Electric screwdriver.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of electric screwdriver, including：Motor, handle casing, actuating device, output shaft, motor, actuating device are arranged on
In handle casing, output shaft stretches out the front end of handle casing, and actuating device can be subject to Motor drive and drive output shaft with first
Axis is rotated for axle；The electric screwdriver also includes：
Power supply, includes a battery in being arranged at handle casing and at least；
Electrical component is surveyed, it is whether powered for detection object；
Circuit unit, whether control power supply is that motor is powered；
Operation switch, constitutes rotation with handle casing and is connected；
Wherein, output shaft is provided with a slot；
Surveying electrical component includes：
One is arranged on the exploring antenna outside handle casing；
One survey eletric button pressed when needing and surveying electricity for user.
Further, handle casing and slot the ratio of the full-size of output Axial and radial span be more than or equal to
3.9 are less than or equal to 8, and the span of the gear ratio between the rotating shaft of motor and output shaft is that 100 are less than or equal to more than or equal to 50.
Further, Operation switch is loop configuration and surround handle casing.
Further, electric screwdriver also includes：One can be arranged with the shift fork part of Operation switch synchronous axial system, shift fork part
In the inside of handle casing, shift fork part includes：
The pusher dog portion contacted with Operation switch,
What is contacted with circuit unit dials leg,
Connection pusher dog portion and the connecting portion of group leg.
Further, inwardly projecting shifting block is provided with the inside of Operation switch, handle casing is set at respective operations switch
There is the housing through-hole passed through for shifting block, pusher dog portion is provided with the allocating slot being embedded in for shifting block.
Further, circuit unit includes：The deflector rod switch being fixedly installed in handle casing, dials leg by connecting portion edge
The first axle direction of output shaft extends at the driving lever of deflector rod switch and contacts；Shift fork part is when rotating with Operation switch
Driving lever can be stirred by group leg makes deflector rod switch in connection or disconnection.
Further, electric screwdriver also includes：One can bias the reset biased element that shift fork part is intended to reset position,
Shift fork part in reset position, cut off the electricity supply the electrical energy transportation between motor by circuit unit.
Further, electric screwdriver also includes：Wire stripping component；Wire stripping component includes：One ledger-plate and a wire stripping are pressed
Button, ledger-plate are fixedly connected with handle housing, and the knife edge part of ledger-plate exposes handle casing；Wire stripping button is arranged on ledger-plate
Outside and with handle casing constitute rotate be connected, wire stripping button is provided with more than one wire stripping groove towards the side of ledger-plate.
Further, exploring antenna is located at wire stripping button and surveys between eletric button.
Further, electric screwdriver also includes：Light fixture, for illuminating and producing the letter that can be recognized by the human eye
Number；
Surveying electrical component also includes：One antenna shield being arranged in front of handle casing, antenna shield include：
Around the boot main body of output shaft,
Accommodate the probe portion of exploring antenna；
Wherein, probe portion is convex for boot main body and along the axially extending of output shaft in the axial direction of output shaft.
Further, for controlling the control board of power supply and motor, control board includes：For indicating charging shape
The charging indicator light of state, for the charging inlet charged for battery in power supply, surveys Electricity Functional and the tested electricity of energy for control
The survey electric switch of button triggering.
The invention has benefit that：Clever structure, by realize each function it is rational in infrastructure be integrated into one it is whole
On body, the electric screwdriver of the present invention is made to possess various very necessary and practical functions in Electrician Operation, it is to avoid frequent
The loss in efficiency that causes of replacing, and be easily achieved in itself, cost is relatively low is suitable to promote.
Description of the drawings
Fig. 1 is the appearance schematic diagram of the electric screwdriver of the present invention；
Fig. 2 is the appearance schematic diagram of another angle of electric screwdriver shown in Fig. 1；
Fig. 3 is the internal structure schematic perspective view of electric screwdriver shown in Fig. 1；
Fig. 4 is the internal structure floor map of electric screwdriver shown in Fig. 1；
Fig. 5 is the explosive view of the part-structure in electric screwdriver shown in Fig. 1；
Fig. 6 is the structural representation that electric screwdriver shown in Fig. 1 removes handle casing, light fixture and antenna shield；
Fig. 7 is the structural representation of the handle casing in electric screwdriver shown in Fig. 1
Fig. 8 is the enlarged diagram of the wire stripping component in electric screwdriver shown in Fig. 1；
Fig. 9 is the structural representation of a preferred version of the wire stripping component in electric screwdriver shown in Fig. 1；
Figure 10 is the enlarged diagram of the wire stripping component shown in Fig. 9；
Figure 11 is the structural representation of another preferred version of the wire stripping component in electric screwdriver shown in Fig. 1；
Figure 12 is the enlarged diagram of the wire stripping component shown in Figure 11.
Specific embodiment
Make specific introduction to the present invention below in conjunction with the drawings and specific embodiments.
The present invention relates to a kind of portable electric screwdriver 100 suitable with manual screw batch size.
With reference to 1 to Figure 12, the electric screwdriver 100 of the present invention mainly includes：Handle casing 11, power supply 12, motor 13, biography
Dynamic device 14, output shaft 15, circuit unit 16, Operation switch 17, also include：Light fixture 2, survey electrical component 3, wire stripping component 4,
Wherein motor 13, actuating device 14, output shaft 15, Operation switch 17 and circuit unit 16 are mainly used in realizing screwdriver work(
Can, and light fixture 2, survey electrical component 3 and wire stripping component 4 are the additional function being integrated on the electric screwdriver 100, with reality
Existing multifunction, such that it is able to a tractor serves several purposes.Technical scheme, especially makes defined below for convenience of explanation：It is fixed
The pivot center of adopted output shaft 15 is first axle M, direction and the side parallel to first axle M that first axle M is located
To being axial direction, the circumferencial direction around axial direction is circumferential, and the direction perpendicular to the axis axially and by output shaft 15 is footpath
To.
Handle casing 11 includes：For installing the front end and the rear end away from output shaft 15 of output shaft 15, on the one hand which use
In the handle that formation can be gripped, on the other hand the internal collecting for also forming collecting power supply 12, motor 13 and actuating device 14 is empty
Between.Specifically, handle casing 11 is substantially in " one " font, including：The first housing 111 for being formed respectively, the second housing 112, two
Person's through hole mode connects for screw is an entirety, it is possible to understand that, the first housing 111 and the second housing 112 can also be connected by buckle
Connect, so as to convenient dismounting.11 partial receipt output shaft 15 of handle casing, one end of output shaft 15 are located at the front end of handle casing 11
The interior, other end is reached outside handle casing 11, and output shaft 15 stretches out and a slot is provided with inside one end of handle casing 11
151, the slot 151 is for being connected with the parts such as screwdriver bit, screw.
Actuating device 14 is a general gear-box, and which can realize the conversion of rotating speed and moment of torsion, and be internally provided with
Axle is locked, and makes moment of torsion send output shaft 15 to by motor 13, and in 15 reverse drive of output shaft, by output shaft 15 and gear
Case is locked, as actuating device 14 is integrally fixed in handle casing 11, so when output shaft 15 is locked by axle lock, Yong Huke
So that electric screwdriver batch is used as general manual screw batch.The shaft lock structure of single-direction transmission is those skilled in the art institute
Well known technological means, here are not added with repeating.
Slot 151 is preferably standard inner hexagonal hole of the circumscribed circle diameter for 6.5mm, handle casing 11 in output shaft 15
50 are preferably had a maximum radially.
In actual use, from for user-friendly angle, it is desirable to which handle casing 11 is easy to grip, and thus will
Seek the size of joystick shell 11 so as to little as far as possible so as to be suitable to staff gripping, especially in output shaft 15 radially
Size, at this, size affects to be fairly obvious on gripping comfortable degree.
On the other hand, when using as general manual screw batch, wish user with strength as little as possible in screwdriver bit again
Place obtains larger torsion.According to lever principle, handle casing 11 is bigger in output shaft 15 radially, and slot 151 is less,
User is more laborsaving.In general, for the consideration of structural strength, the diametrically size of slot 151 is unsuitable too small, and in order to
The screwdriver bit part of fit standard, its size are often relatively-stationary, so require that handle casing 11 is unsuitable too small.
So the contradiction in order to solve the above, the present invention has considered the inner hexagonal hole one of standard screwdriver bit and has been in design
Palm acceptable more comfortable frictional force when row size, the size of general user's palm and user reverse, by reality
Test determine handle casing 11 and slot 151 the ratio of the full-size of 15 radial direction of output shaft span be more than or equal to
3.9 less than or equal to 8 when, that is, be easy to grip and manual torsion screwdriver that user can be made more light.
In addition furthermore, when motor 13 is rotated, user's gripping handle shell 11 can be subject to corresponding counteracting force,
More than to slot 151 and handle casing 11 on the basis of the ratio of the full-size of 15 radial direction of output shaft is defined, in order to
Make user when using electric functions, the frictional force born by hand is relatively mild, and and output shaft 15 is made with speed faster
Degree and enough moments of torsion go to drive screwdriver bit, used as a kind of preferred version, the gear ratio between the rotating shaft of motor 13 and output shaft 15
Span be that less than or equal to 100, that is, the gear ratio that actuating device 14 can be provided is within the range more than or equal to 50,
As it is further preferably, the span is 90 to 100.
Under such gear ratio, user can obtain good operating experience.
For providing power resources to motor 13, in the present embodiment, power supply 12 is arranged in handle casing 11 power supply 12
And including at least one battery, the preferred battery is lithium battery.The lithium battery can be disposable battery, or can fill
Battery.For rechargeable battery, a charging indicator light 163 that can indicate that charged state can be set, when to chargeable
When battery is charged, charging indicator light 163 is bright, and in just in charged state, charging indicator light 163 can show redness,
And when waiting fully charged, charging indicator light 163 can transform to green.
Motor 13 is connected with actuating device 14, actuating device 14 output shaft 15 is further driven under the driving of motor 13 with
First axle M is rotated for axle.In the present embodiment, in order that the radial dimension of the handle casing 11 of the present invention is as little as possible,
Motor 13 can be micromachine 13, and the micromachine 13 also has larger output torque.
Circuit unit 16 is used to control whether power supply 12 is that motor 13 is powered.Circuit unit 16 includes：Control board
161st, deflector rod switch 162, wherein control board 161 are provided with the power supply circuits for enabling power supply 12 for the power supply of motor 13.Control electricity
Charging indicator light 163, charging inlet 164 are additionally provided with road plate 161.The charging indicator light 163 is above-described for referring to
Show the display lamp of rechargeable battery charged state, charging indicator light 163 is installed in control board 161, and handle casing 11
Be provided with can for user observe 163 state of charging indicator light but window.Charging inlet 164 is for above-mentioned power supply 12
In rechargeable lithium battary be charged, which is also installed in control board 161, and is additionally provided with energy on handle casing 11
Enough house and fix the charging slot of the charging inlet 164, it is preferred that the charging inlet 164 can be USB charging inlets 164, from
And can adapt to more chargers.
Deflector rod switch 162 is fixedly installed in handle casing 11, for turning on or cutting off power supply circuits control power supply 12
Whether output electrical power in motor 13.Deflector rod switch 162 is provided with a driving lever 162a that can be struck, by the driving lever
The shake-up or reset of 162a can cause deflector rod switch 162 to connect or disconnect.
Operation switch 17 can be by the control circuit component 16 of itself come the operation of controlled motor 13.Specifically, should
Operation switch 17 is a loop configuration, the circular outer surface for being sheathed on handle casing 11 of the Operation switch 17 of the loop configuration,
And be connected with the composition rotation of handle casing 11.Preferably, in order to realize Operation switch 17 around handle casing 11 rotate when i.e.
Can control circuit component 16 power supply 12 is powered to motor 13, be additionally provided with a shift fork in the inside of handle casing 11
Part 18, the shift fork part 18 can be integrally formed with Operation switch 17 and can also be provided separately with Operation switch 17.
Here, so that Operation switch 17 and shift fork part 18 are provided separately as an example, so it is more convenient dismounting.
In order to realize that shift fork part 18 triggers the driving lever on deflector rod switch 162 when Operation switch 17 is rotated around handle housing
162a, the inside of Operation switch 17 are provided with shifting block 171, and setting aside fork 18 in the drive of the shifting block 171 can be with Operation switch 17
Synchronous axial system.Specifically, shifting block 171 is corresponding from the radially inside inwardly projecting of Operation switch 17, handle casing 11 sets
There is the housing through-hole 113 passed through for the shifting block 171 of the protrusion, so as to shifting block 171 can be from the behaviour outside being located at handle casing 11
The inside for making to be deep into handle casing 11 on switch 17 is contacted with shift fork part 18.
Shift fork part 18 includes：Pusher dog portion 181, leg 182 and connecting portion 183, wherein pusher dog portion 181 are dialled for opening with operation
Close shifting block 171 on 17 to coordinate, be additionally provided with the allocating slot 181a that shifting block 171 can be made embedded in pusher dog portion 181, allocating slot 181a along
Extend parallel to axially direction, so when shifting block 171 is rotated around first axle M with Operation switch 17, with pusher dog portion 181
Under mating reaction, shift fork part 18 can be with 17 synchronous axial system of Operation switch.Connecting portion 183 is used to connect pusher dog portion 181 and dials lower limb
Portion 182, the connecting portion 183 are sheathed on motor 13 such that it is able to support the shift fork part 18.Leg 182 is dialled by 183 edge of connecting portion
It is axially extending go out, and which is located at the relative both sides vertically of connecting portion 183 respectively with pusher dog portion 181.Dial leg 182 to prolong always
Extend till contacting with the driving lever 162a on the deflector rod switch 162 in circuit unit 16, so, when shift fork part 18 is opened in operation
Close the leg 182 of dialling for enabling to when rotating around first axle M under 17 drive thereon driving lever 162a is touched so that dialling
Lever switch 162 is in connected state, so as to power supply circuits conducting enables power supply 12 to drive output shaft 15 for motor 13 is powered
Rotate.
Preferably, in order that power supply 12 can be automatically cut off when user unclamps Operation switch 17 for motor 13
Power supply, also includes a reset biased element 19 in the electric screwdriver 100, the reset biased element 19 can bias shift fork part
18 make which recover to reset position automatically, when shift fork part 18 is located at reset position, dials leg 182 and depart from driving lever 162a, driving lever
Switch 162 then cuts off power supply circuits, so as to circuit unit 16 is cut off the electricity supply the electrical energy transportation between 12 and motor 13, output shaft 15
Stop operating.Specifically, the reset biased element 19 is 4 helical springs, and connecting portion 183 is fixed in the helical spring one end
The upper, other end is supported on handle casing 11, so, and when Operation switch 17 is unclamped, the helical spring for being compressed is made in elastic force
Which is made to return to reset position with lower bias shift fork part 18, while in the pusher dog portion 181 and Operation switch 17 on shift fork part 18
Shifting block 171 mating reaction under, Operation switch 17 is also restored to initial position.
Hereinafter, additional function integrated on the concrete electric screwdriver 100 for introducing the present invention.
Light fixture 2 is arranged at the front end face outside handle casing 11, is provided separately with handle casing 11, for illumination and
The signal that generation can be recognized by the human eye.Specifically, light fixture 2 includes：Illuminating lamp 21, functional lamp 22, lighting circuit plate 23,
Lampshade 24 and fixed mount 25, wherein illuminating lamp 21 play a role in lighting when dark area works for the electric screwdriver 100,
Display lamp when functional lamp 22 works for survey electrical component 3.Illuminating lamp 21 and functional lamp 22 are mounted on lighting circuit plate 23, should
Lighting circuit plate 23 is loop configuration.Lampshade 24 is used for package illumination circuit board 23, and lampshade 24 is also loop configuration, and which includes lamp
Cover body 241 and forms 242.Lamp shade body 241 is made up of light screening material, and forms 242 are made of clear material, illuminating lamp 21
Inside lampshade 24, forms 242 are arranged at the position of correspondence illuminating lamp 21 in lamp shade body 241, are additionally provided with lamp shade body 241
By hole 241a, functional lamp 22 was by passing lamp shade body 241 so as to provide optical signal by hole 241a.Fixed mount 25 is pacified
On one end loaded on handle casing 11, for light fixture 2 is installed on outside handle casing 11, specifically, fixed mount 25
For loop configuration, the inside of the loop configuration of fixed mount 25 has a pair of assembly walls 251, passes through lamp shade body 241 by screw
And after lighting circuit plate 23 and extend on assembly wall 251, it is solid so as to lighting circuit plate 23 and lampshade 24 are installed in the lump
Determine on frame 25.
Preferably, lighting circuit plate 23 is provided with the lighting circuit of control illuminating lamp 21, in the lighting circuit
Under control so that function of the illuminating lamp 21 with same step up switch and delay-action, i.e., control while Operation switch 17 starts
Illuminating lamp 21 is bright, and illuminating lamp 21 can continue to bright a period of time and extinguish again when Operation switch 17 is closed, it is preferred that Ke Yiyan
When bright 10s to 60s extinguish again.So, when in working region than in the case of dark, screw is not seen, can be started
Operation switch 17 is closed, and such that it is able to illuminate capturing position in advance, is restarted and is operated.
Surveying electrical component 3 is used for whether detection object to be powered, and which includes：Exploring antenna 31, survey eletric button 32, and antenna shield
Cover 33.Exploring antenna 31 is arranged at the outside of handle casing 11, is provided separately with handle casing 11, before handle casing 11
Side, the both sides positioned at lampshade 24 relative with handle casing 11.Exploring antenna 31 includes the coil of coiling, works as exploring antenna
31 near electrical body when, magnetic field is produced in coil, shows that the object is powered so as to send signal.Preferably, survey in electrical component 3 and wrap
Include for showing the instruction device for detecting structure, the instruction device is, for example, that buzzer or functional lamp 22 or both all have,
Here by both as a example by, wherein buzzer is arranged inside handle casing 11, functional lamp 22 be located at light fixture 2 in.Survey
Press when eletric button 32 is for needing and surveying electricity for user, the survey eletric button 32 is arranged on handle casing 11, so as to convenient operation.
Antenna shield 33 is arranged at the front of handle casing 11, the further front side for being located at lampshade 24, and which includes：Shield
Main body 331 and probe portion 332.Boot main body 331 passes through screw one with lampshade 24 and lighting circuit plate 23 around output shaft 15
And fixedly mount, probe portion 332 is used to accommodate exploring antenna 31.And probe portion 332 is convex for shield in the axial direction of output shaft 15
Cover main body 331 extending axially forward along output shaft 15 such that it is able to more hold while not affecting output shaft 15 to rotate
The object of accessible electricity to be measured.Preferably, radially also the protruding from outside antenna shield 33 and handle in output shaft 15 of lampshade 24
Shell 11, in other words the radial direction full-size of lampshade 24 be more than the maximum radial dimension of antenna shield 33 and handle casing 11,
The scope that so illuminating lamp 21 can irradiate is bigger, does not receive hindering for antenna shield 33 and handle casing 11 as far as possible.
Preferably, survey electric switch 34 is additionally provided with control board 161, the survey electric switch 34 with survey eletric button
32 position is corresponding and contacts with eletric button 32 is surveyed, and when eletric button 32 is surveyed in pressing, surveys the conducting control of electric switch 34 and survey electricity
Component 3 starts to survey electricity.
Preferably, in order to be further ensured that the accuracy for surveying electricity, self-inspection electricity is also provided with electrical component 3 is surveyed
Road, for detecting the integrity for surveying electrical component 3.In the presence of the self-checking circuit, when eletric button 32 is surveyed in triggering, if surveying electricity
Component 3 is intact, then buzzer rings a sound, and functional lamp 22 dodges, conversely, buzzer does not ring, functional lamp 22 does not work, illustrates to survey electricity
Device is bad.So, in the case where confirming that survey electrical component 3 is intact, by exploring antenna 31 near electric object to be measured, while pinning
Eletric button 32 is surveyed, if electric object to be measured has the signal of telecommunication, buzzer continuously sends sound, 22 continuous flicker of functional lamp.
Wire stripping component 4 is integrated in the side on the outside of handle casing 11, caves inward to form one in the side of handle casing 11
The individual wire stripping groove 114 for housing wire stripping component 4.Wire stripping component 4 includes：Determine wire stripping part and dynamic wire stripping part, this determines wire stripping part
For a ledger-plate 41, ledger-plate 41 is fixedly installed in the wire stripping groove 114 of handle casing 11, and the knife edge part of ledger-plate 41
Expose handle casing 11 length direction perpendicular to handle casing 11.Preferably, the dynamic wire stripping part can be with band blade for one
Can not also band blade wire stripping button 42, here by taking not band blade as an example.Wire stripping button 42 can relative ledger-plate 41 near or
Person away from, be preferably located on the outside of ledger-plate 41 and constitute with handle casing 11 and relatively rotate, its one end is by one turn
Dynamic pivot 43 is installed on handle casing 11, and the other end is free end, and 43 direction of rotation pivot is perpendicular to handle casing 11
Length direction.One end that wire stripping button 42 is connected with rotation pivot 43 is provided with a back-moving spring 44, and back-moving spring 44 props up stripping
Line button 42, enables to wire stripping button 42 and automatically resets to initial position, and free end is additionally provided with a spacing preiection 45, should
Spacing preiection 45 is embedded into inside handle casing 11, is prevented from the free end of wire stripping button 42 away from handle casing 11, so as to
Initial position can be maintained at when wire stripping button 42 is not triggered.Preferably, wire stripping button 42 towards ledger-plate 41 side also
The wire stripping groove 46 of the different circular arc of multiple radiuses is provided with, can not only so enable wire stripping component 4 to block cable to be stripped,
Prevent from cable from horizontally slipping, but also enable to the wire stripping component 4 being applied to the different cable of the various radiuses of stripping.
In the present embodiment, wire stripping button 42 is arranged at the side of handle casing 11, and positioned at the relatively forward of 11 side of handle casing
Position, so, a handss can press wire stripping button 42 while gripping handle casing 11, singlehanded to be capable of achieving operation, and another
One hands then can be used to pull cable, realize peeling off, convenient to operate
Preferably, the exploring antenna 31 surveyed in electrical component 3 is also located at dynamic wire stripping part and surveys between eletric button 32, this
Sample, can be when eletric button 32 be surveyed in triggering when gripping handle shell 11, and exploring antenna 31 conveniently touches object to be measured, together
If when the object be cable to be stripped, can detect the cable it is uncharged in the case of carry out wire stripping operation immediately.
Preferably, in the circumference of output shaft 15, the circumferential position of exploring antenna 31 and functional lamp 22 relative to
The first axle M directions of output shaft 15 are symmetrical, while survey eletric button 32 being located between exploring antenna 31 and functional lamp 22, that is to say
The substantially symmetric position of the relative both sides positioned at output shaft 15 of exploring antenna 31 and functional lamp 22 is said, and surveys eletric button 32
In between the two so；And in the axial direction of output shaft 15, Operation switch 17 is located at exploring antenna 31 and surveys between eletric button 32.
So, when the handle casing 11 for gripping the electric screwdriver 100 makes exploring antenna 31 near the object of electricity to be measured, press survey
Eletric button 32, functional lamp 22 send signal according to detection structure, at this moment need not rotate electric screwdriver 100, the functional lamp 22
Directly just can be arrived by eye-observation.
Preferably, for the function of integrated bending cable inner core, output shaft 15 stretches out the part of handle casing 11
A bending hole 152 is provided with, the bending hole 152 is revolution body opening, and its axis is perpendicular to first axle M.So, work as output
When axle 15 is pivoted with first axle M, the cable inner core inserted in bending hole 152 will be improve user's bending by automatic bending
Efficiency.
Used as a kind of preferred scheme of the wire stripping component 4 in the present embodiment, wire stripping component 5 can also be arranged at outside handle
At rear end face of the shell 11 away from output shaft 15, as shown in Figure 9 and Figure 10.The wire stripping component 5 includes：After being fixed on handle casing 11
The dynamic wire stripping part for determining 11 relative rotation of wire stripping part and energy opposite handle shell of end face.Specifically, it is certain that this determines wire stripping part
Blade 51, dynamic wire stripping part include a cutting blade 52 and a wire stripping button 53, and ledger-plate 51 is vertical with the length direction of cutting blade 52
In the length direction of handle casing 11, cutting blade 52 is fixedly installed on wire stripping button 53, and the wire stripping button 53 is rotated by one
Pivot 54 and 11 rear end face of handle casing are constituted to rotate and are connected, the axis direction of the rotation pivot 54 perpendicular to output shaft 15, and
One is also arranged on the rotation pivot 54 and can bias the wire stripping bias that wire stripping button 53 makes it away from ledger-plate 51 to precalculated position
Element 55, the wire stripping biased element 55 are a torsion spring, and an end of the torsion spring props up wire stripping button 53 such that it is able to so that dynamic
The state of blade 52 and ledger-plate 51 in opening.The wire stripping component 5 also includes a stop part 56, and the stop part 56 is substantially in
Rectangular configuration, the side of its one end and handle casing 11 are constituted to rotate and are connected, the other end can be arranged on wire stripping button 53
Stopper protrusion 531 coordinate, so as to when the wire stripping component 5 is not used, can make wire stripping button 53 overcome torsion spring torsion and
Relatively closed state is in respect to ledger-plate 51, so, staff can either be protected not injured by wire stripping component 5, also can
Enough extend the service life of wire stripping component 5.It should be understood that on the wire stripping component 5, on its ledger-plate 51 and cutting blade 52
The different semi arch structure of the multiple radiuses of corresponding setting can be distinguished.
Used as another kind of preferred version of the wire stripping component 4 in the present embodiment, wire stripping component 6 can also be arranged at outside handle
11 rear end of shell extend out or the fixed frame 61 that connects on, as is illustrated by figs. 11 and 12.The 61 generally U-shaped knot of fixed frame
Structure, the opening of the U-shape structure are connected with handle casing 11, it is possible to understand that, the fixed frame 61 can also be with handle casing 11 1
It is body formed.Wire stripping component 6 includes：Determine wire stripping part and dynamic wire stripping part, this determines wire stripping part includes a ledger-plate 62, dynamic wire stripping part includes
One cutting blade 63 and a trigger piece 64.Wherein ledger-plate 62 is fixedly installed in the relatively interior of one end of the U-shaped closing of fixed frame 61
Side, inner side here refer to the side of the relatively close handle casing 11 of one end of the closing of fixed frame 61, can so play
The effect of protection, and ledger-plate 62 is also along the direction extension perpendicular to first axle M.Cutting blade 63 and 62 phase interworking of ledger-plate
Close, cutting blade 63 is installed on trigger piece 64, and the angle of one 60 to 120 degree is formed with trigger piece 64, preferably 90 degree or so, can
With what is understood, cutting blade 63 can also be integrally formed with trigger piece 64.Cutting blade 63 is located in fixed frame 61, and trigger piece 64 is located to be fixed
Outside frame 61, the entirety and fixed frame 61 that trigger piece 64 and cutting blade 63 are constituted constitutes the rotation perpendicular to first axle M and is connected, trigger piece
64 control 63 relative ledger-plate 62 of cutting blade during rotation opens or closes.In the present embodiment, 62 He of ledger-plate
The blade of cutting blade 63 is oppositely arranged and mutually staggers, and forms the structure of similar shears, and such cutting effect is more preferable.It is appreciated that
, on the wire stripping component 6, its ledger-plate 62 with can also distinguish on cutting blade 63 it is corresponding arrange multiple radiuses it is different half
Arc structure.Preferably, also concave to trap out one in the side of handle casing 11 and be used for the housing groove 65 for receiving trigger piece 64,
So when the wire stripping component 6 is not used, trigger piece 64 is embedded in housing groove 65, can more comfortably grip the handle casing
11。
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 or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (10)
1. a kind of electric screwdriver, including：Motor, handle casing, actuating device, output shaft, the motor, actuating device are arranged
In the handle casing, the output shaft stretches out the front end of the handle casing, and the actuating device can be subject to the motor
Drive and drive the output shaft to rotate by axle of first axle；It is characterized in that：The electric screwdriver also includes：
Power supply, includes a battery in being arranged at the handle casing and at least；
Electrical component is surveyed, it is whether powered for detection object；
Circuit unit, controls whether the power supply is that the motor is powered；
Operation switch, constitutes rotation with the handle casing and is connected；
Wherein, the output shaft is provided with a slot；
The survey electrical component includes：
One is arranged on the exploring antenna outside the handle casing；
One survey eletric button pressed when needing and surveying electricity for user；
The handle casing and the slot the ratio of the full-size of the output Axial and radial span be more than or equal to
3.9 are less than or equal to 8, and the span of the gear ratio between the rotating shaft of the motor and the output shaft is to be less than more than or equal to 50
Equal to 100.
2. electric screwdriver according to claim 1, it is characterised in that the Operation switch is loop configuration and around institute
State handle casing.
3. electric screwdriver according to claim 2, it is characterised in that the electric screwdriver also includes：One can be with
The shift fork part of the Operation switch synchronous axial system, the shift fork part are arranged on the inside of the handle casing, the shift fork part bag
Include：
The pusher dog portion contacted with the Operation switch,
What is contacted with the circuit unit dials leg,
Connect the connecting portion of the pusher dog portion and described group of leg.
4. electric screwdriver according to claim 3, it is characterised in that be provided with inwardly projecting on the inside of the Operation switch
Shifting block, the handle casing is provided with the housing through-hole passed through for the shifting block, the pusher dog at the correspondence Operation switch
Portion is provided with the allocating slot being embedded in for the shifting block.
5. electric screwdriver according to claim 3, it is characterised in that the circuit unit includes：It is fixedly installed on institute
The deflector rod switch in handle casing is stated, described group of leg is extended to along the first axle direction of the output shaft by the connecting portion
At the driving lever of the deflector rod switch and contact；The shift fork part can pass through described group of lower limb when rotating with the Operation switch
Stir the driving lever and the deflector rod switch is made in connection or disconnected in portion.
6. electric screwdriver according to claim 3, it is characterised in that the electric screwdriver also includes：One can bias
The shift fork part is intended to the reset biased element of reset position, the shift fork part in the reset position, the circuit group
Part cuts off the electrical energy transportation between the power supply and the motor.
7. electric screwdriver according to claim 1, it is characterised in that the electric screwdriver also includes：Wire stripping component；
The wire stripping component includes：One ledger-plate and a wire stripping button, the ledger-plate is fixedly connected with the handle housing, described
The knife edge part of ledger-plate exposes the handle casing；The wire stripping button be arranged on the outside of the ledger-plate and with the handss
Handle shell is constituted and rotates connection, and the wire stripping button is provided with more than one wire stripping groove towards the side of the ledger-plate.
8. electric screwdriver according to claim 7, it is characterised in that the exploring antenna be located at the wire stripping button and
Between the survey eletric button.
9. electric screwdriver according to claim 1, it is characterised in that the electric screwdriver also includes：Light fixture,
For illuminating and producing the signal that can be recognized by the human eye；
The survey electrical component also includes：One antenna shield being arranged in front of the handle casing, the antenna shield include：
Around the boot main body of the output shaft,
Accommodate the probe portion of the exploring antenna.
10. electric screwdriver according to claim 9, it is characterised in that the circuit unit includes：It is described for controlling
The control board of power supply and the motor, the control board include：For indicating the charging indicator light of charged state, use
The charging inlet that battery charges in for the power supply, for controlling to survey Electricity Functional and the survey electricity that eletric button is triggered can be surveyed by described
Switch.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521101.3A CN104742072B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
| US14/674,377 US9440339B2 (en) | 2014-09-30 | 2015-03-31 | Electric screwdriver |
| GB1505560.1A GB2530826B (en) | 2014-09-30 | 2015-03-31 | Electric screwdriver |
| DE202015103607.8U DE202015103607U1 (en) | 2014-09-30 | 2015-07-09 | Electric screw insert |
| FR1559224A FR3026333B3 (en) | 2014-09-30 | 2015-09-30 | ELECTRIC SCREWDRIVER |
| US15/225,422 US9630302B2 (en) | 2014-09-30 | 2016-08-01 | Electric screwdriver |
| US15/464,725 US10272548B2 (en) | 2014-09-30 | 2017-03-21 | Electric screwdriver |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013107327541 | 2013-12-26 | ||
| CN201310732754 | 2013-12-26 | ||
| CN201410521101.3A CN104742072B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104742072A CN104742072A (en) | 2015-07-01 |
| CN104742072B true CN104742072B (en) | 2017-04-19 |
Family
ID=52560771
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410523472.5A Active CN104742073B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
| CN201420576231.2U Active CN204171935U (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
| CN201410523473.XA Active CN104742074B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
| CN201410521101.3A Active CN104742072B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410523472.5A Active CN104742073B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
| CN201420576231.2U Active CN204171935U (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
| CN201410523473.XA Active CN104742074B (en) | 2013-12-26 | 2014-09-30 | Electric screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN104742073B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942738B (en) * | 2015-06-18 | 2017-07-28 | 柳州长虹机器制造公司 | A kind of bi-directional variable speed screwdriver |
| CN105522519B (en) * | 2016-02-25 | 2017-11-14 | 罗丽珍 | A kind of USB pen types electric screwdriver |
| CN106425975B (en) * | 2016-12-02 | 2018-01-19 | 重庆市江津区前进焊接材料厂 | A kind of transmission device of the adjustable electric screw driver of cutter head angle |
| DE112017006690T5 (en) * | 2016-12-30 | 2019-10-02 | Bosch Power Tools (China) Co., Ltd. | Electric screwdriver |
| CN108621067A (en) * | 2017-07-11 | 2018-10-09 | 杭州巨星科技股份有限公司 | A kind of portable stripping tool and the screwdriver with portable stripping tool |
| US20190015963A1 (en) * | 2017-07-13 | 2019-01-17 | Tti (Macao Commercial Offshore) Limited | Power tool including power tool base couplable with power tool implements |
| CN107838853A (en) * | 2017-11-28 | 2018-03-27 | 杭州潘工工具有限公司 | A kind of multi-function handle of screwdriver assembly |
| CN107877439A (en) * | 2017-12-25 | 2018-04-06 | 郑州小动电子科技有限公司 | A kind of mini electric screwdriver |
| CN109904712A (en) * | 2019-02-28 | 2019-06-18 | 国家电网有限公司 | A kind of power supply company's multifunctional access the Line tool |
| CN209999070U (en) * | 2019-03-14 | 2020-01-31 | 南京德朔实业有限公司 | Electric screwdriver |
| CN110026936B (en) * | 2019-04-22 | 2024-03-05 | 威汉工具(上海)有限公司 | Screwdriver and assembling method thereof |
| CN113193507B (en) * | 2021-04-29 | 2022-05-24 | 广州市德铭机电设备有限公司 | Convenient installation tool convenient for cable connection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2392318B (en) * | 2002-08-20 | 2005-10-19 | Chao-Chin Yen | Tool handle assembly |
| CN2721332Y (en) * | 2004-05-10 | 2005-08-31 | 车王电子股份有限公司 | Illuminating structure of electric screw driver |
| CN2721326Y (en) * | 2004-07-19 | 2005-08-31 | 方爱民 | Flexible screw driver of illuminating electric tester |
| EP2039449B1 (en) * | 2007-09-24 | 2010-08-11 | Robert Bosch Gmbh | Rotary tool with multiple tool attachment interfaces |
| TWM357358U (en) * | 2008-09-15 | 2009-05-21 | Mobiletron Electronics Co Ltd | Depth adjusting device for the screw locking nail |
| CN102398242A (en) * | 2010-09-19 | 2012-04-04 | 李兰香 | Wire stripping screw driver |
| CN201989103U (en) * | 2011-03-15 | 2011-09-28 | 红塔烟草(集团)有限责任公司 | Magnetic positioning screwdriver |
| CN102990588B (en) * | 2011-09-16 | 2015-04-22 | 苏州宝时得电动工具有限公司 | Portable handheld tool |
| CN102990590B (en) * | 2011-09-16 | 2015-07-01 | 苏州宝时得电动工具有限公司 | Electrician's screwdriver |
| CN203092433U (en) * | 2011-12-20 | 2013-07-31 | 杭州巨星工具有限公司 | Screwdriver |
| CN203228209U (en) * | 2013-04-24 | 2013-10-09 | 上海拓步企业发展有限公司 | Electric tool with multi-lamp lighting structure |
-
2014
- 2014-09-30 CN CN201410523472.5A patent/CN104742073B/en active Active
- 2014-09-30 CN CN201420576231.2U patent/CN204171935U/en active Active
- 2014-09-30 CN CN201410523473.XA patent/CN104742074B/en active Active
- 2014-09-30 CN CN201410521101.3A patent/CN104742072B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104742072A (en) | 2015-07-01 |
| CN104742074B (en) | 2017-04-19 |
| CN104742073A (en) | 2015-07-01 |
| CN104742073B (en) | 2016-09-07 |
| CN104742074A (en) | 2015-07-01 |
| CN204171935U (en) | 2015-02-25 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |