CN104551096B - A kind of convenient electric drill - Google Patents
A kind of convenient electric drill Download PDFInfo
- Publication number
- CN104551096B CN104551096B CN201410707418.6A CN201410707418A CN104551096B CN 104551096 B CN104551096 B CN 104551096B CN 201410707418 A CN201410707418 A CN 201410707418A CN 104551096 B CN104551096 B CN 104551096B
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- motor
- electric machine
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- gear
- casing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/001—Housing of the drill, e.g. handgrip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
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- 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
- B25F5/008—Cooling means
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a kind of convenient electric drill, belong to electric tool technical field.This convenient electric drill includes casing, casing includes installation portion, hand grip portion, base portion, battery bag is installed below base portion, switch is installed in hand grip portion front end, drill chuck is installed in installation portion front end, control panel and brushless electric machine are installed in installation portion and brushless electric machine is connected by reduction gearing mechanism with drill chuck, pilot bulb is also equipped with installation portion front end, after opening is switched, brushless electric machine drives drill chuck operation, pilot bulb is lighted simultaneously, after closing is switched, the related drill chuck of brushless electric machine stops operation, now pilot bulb is delayed three seconds to ten seconds and extinguished, brushless electric machine includes motor housing and the fan blade in motor housing, some ventilation breach are offered on motor housing, some ventilation slots that installation portion rear end is extended to by hand grip portion rear end are offered on casing.This convenient electric drill has the advantages that rationally distributed, excellent in heat dissipation effect, practical.
Description
Technical field
The invention belongs to electric tool technical field, it is related to a kind of convenient electric drill.
Background technology
Electric drill is the drilling machine that power is done using electricity, is the conventional products in electric tool, is also market demand amount
Maximum electric tool class product.Electric drill can be applicable to the use occasions such as building, finishing, family expenses, medical treatment, can be used for scraping material
Object is pierced on surface.
The operation principle of electric drill is that the rotor of electromagnetic rotating formula or electromagnetic reciprocating low capacity motor does magnetic field and cut
Acting operating is cut, passes through actuator drives apparatus for work so that drill bit preferably pierces object.
In the prior art, electric drill layout is unreasonable, there is following defect：One, electric drill use brush motor, in it
Portion is provided with carbon brush, after long-term use, it is necessary to open motor to clear up carbon brush, wastes time and energy, and safeguards that intensity is big, and for a long time
After use, carbon brush is caused carbon brush Fast Wearing by continuous friction so that the service life reduction of motor, also reduces electric drill
Service life, brush motor generates heat larger in use, and power output is smaller, the normal work of the overall electric drill of influence；
Secondly, the brush motor of existing electric drill be typically mounted at electric drill machine shell back-end location, it is corresponding to offer radiating in casing rear end
Hole, but electric drill design is unreasonable, and heat emission hole and brush motor coordinate not good, cause heat superfluous inside electric drill not exhale
Go, superheating phenomenon is particularly easily produced at motor, be so easy for burning out parts, influence the service life of electric drill；Thirdly,
Delay illumination alarm set is not provided with electric drill, when needing electric drill to stop operation, operator passes through closing switch and then band
The dynamic related drill bit of motor shuts down, but often also needs to a buffer time after electric drill is closed, and workman goes back in the meantime
Need to observe situation after drilling work by postponing the light of illumination alarm set, or by electric drill from dark working environment
Withdraw from, and existing electric drill switch close after, the parts of electric drill shut down, it is impossible to take follow-up Perfect the work into account,
And then the operation of overall electric drill is influenceed, reduce the practical performance of electric drill.
In summary, for solve the problem of existing electric drill is present, it is necessary to design a kind of rationally distributed, excellent in heat dissipation effect,
Practical convenient electric drill.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of rationally distributed, radiating effect
Good, practical convenient electric drill.
The purpose of the present invention can be realized by following technical proposal：A kind of convenient electric drill, including casing, the casing bag
The installation portion set gradually, hand grip portion, base portion are included, battery bag is installed below base portion, is provided with hand grip portion front end
Switch, is provided with the drill chuck with drill bit mounting hole in installation portion front end, control panel and brushless electricity is provided with installation portion
Machine and brushless electric machine is connected by reduction gearing mechanism with drill chuck, is also equipped with being located at below drill chuck in installation portion front end
Pilot bulb, the pilot bulb, switch, battery bag, control panel, brushless electric machine electrical connection, after opening is switched, the nothing
Brush motor drives drill chuck operation, while pilot bulb is lighted, after closing is switched, the related drill chuck of brushless electric machine stops
Operation, now pilot bulb delay is extinguished for three seconds to ten seconds, and the brushless electric machine includes motor housing and outside motor
The fan blade set in shell and close to installation portion rear end, some ventilations being correspondingly arranged with fan blade are offered on motor housing and are lacked
Mouthful, some ventilation slots that installation portion rear end is extended to by hand grip portion rear end are offered on casing.
As a further improvement on the present invention, the pilot bulb delay-action time is five seconds.
As a further improvement on the present invention, the brushless electric machine also includes power output shaft, and the fan blade is set in dynamic
On power output shaft, the stator provided with winding is installed in motor housing, it is the rotor provided with least one magnet, electric with stator
The Hall Plate of connection, the power output shaft is connected with rotor, and the power output shaft portion is stretched out outside motor housing and with subtracting
Fast transmission mechanism is connected.
As a further improvement on the present invention, the casing is fastened by left casing, right casing and rear chassis and formed, institute
State ventilation slot by the small V-shaped groove of the multiple row for being opened in hand grip portion rear end, be opened in the big V-shaped groove of multirow of installation portion side, be opened in
Some rear venting grooves of installation portion rear end are constituted, and the big V-shaped groove, small V-shaped groove half are opened on left casing, and second half is opened up
On right casing, each rear venting groove is opened on rear chassis.
As a further improvement on the present invention, the winding is plugged on stator, and the rotor is located in the middle part of stator, institute
The plate-like setting of magnet is stated, the magnet quantity is four and four each magnet are circumferentially uniformly arranged on rotor.
As a further improvement on the present invention, motor housing shell after motor fore shell and motor, which is fastened, forms, in electricity
Ventilation breach is offered after machine fore shell and motor on shell, the stator is installed in the middle part of motor housing, and the Hall Plate is installed
Between stator and motor fore shell, the power output shaft rear end is movably arranged on after motor in the middle part of shell by rear ball bearing, institute
State in the middle part of power output shaft and rotor be connected, the power output shaft front end is flexibly connected by preceding ball bearing with motor fore shell,
The power output shaft front end is through Hall Plate and partly stretching motor housing is outer and is connected with reduction gearing mechanism.
As a further improvement on the present invention, the fan blade is arranged on after motor between shell and stator, and the fan blade passes through
Closure is connected with seal stator, and the fan blade is faced provided with projection in the middle part of the outer face of motor fore shell, and the raised insertion is close
Capping middle part is simultaneously tightly connected with closure, power output shaft.
As a further improvement on the present invention, it is provided with and is set in outside power output shaft between motor fore shell and stator
Gland, the gland is located in Hall Plate and is connected with motor fore shell, seal stator.
As another improvement of the present invention, the brushless electric machine is arranged in installation portion by electric motor end cap, described dynamic
Power output shaft front end is fixed with motor gear, and the drill chuck is arranged on installation portion front end, the deceleration transmission by torque set
Mechanism includes shell after power transmission shaft, gearbox fore shell, gearbox, stirred after gear ring, ring gear, the gearbox fore shell and gearbox
Shell, which is connected, to be constituted gearbox body and gearbox body and is arranged in installation portion, and the gearbox body is arranged on torque set and brushless electric machine
Between, the first speed change component, the second speed change component, the 3rd speed change component, the first speed change group are provided with the gearbox body
Part includes primary planet carrier and three primary planet pinions being circumferentially uniformly plugged on primary planet carrier, and described second becomes
Fast component includes secondary planet frame and five secondary planetary gears being circumferentially uniformly plugged on secondary planet frame, described group
Outer peripheral face engagement of the dynamic gear ring simultaneously with three primary planet pinions, five secondary planetary gears is connected, and the motor gear is same
The inner peripheral surface engagement connection of Shi Yusan primary planet pinion, the 3rd speed change component includes self-locking planet carrier and five edges
The circumferential three-stage planetary gear being uniformly plugged on self-locking planet carrier, the ring gear is simultaneously outer with five three-stage planetary gears
Be installed with connection gear in the middle part of side face engagement connection, the secondary planet frame and connection gear and five three-stage planetary gears it is interior
Side face engagement connection, described power transmission shaft one end covers through torque and is connected with drill chuck, and the other end is through gearbox body and passes through
Self-locking mechanism is connected with self-locking planet carrier, the power transmission shaft, primary planet carrier, secondary planet frame, self-locking planet carrier, power output
Axle is coaxially disposed.
As a further improvement on the present invention, the self-locking mechanism include be installed in the middle part of self-locking planet carrier from lock core,
With being connected and being fastened on the self-locking ring on self-locking planet carrier from lock core, the power transmission shaft from lock core through self-locking ring and with being connected.
As a further improvement on the present invention, the flip stand connected with stirring gear ring is provided with installation portion, is being installed
It is movably installed with portion in the middle part of the selector button being connected with flip stand, the primary planet carrier and is installed with equipment gear and auxiliary
Gear is connected with the inner peripheral surface engagement of five secondary planetary gears, and the selector button can drive flip stand horizontal sliding and company
Band stirs gear ring and engages or depart from primary planet pinion outer peripheral face.
As a further improvement on the present invention, moment pad and inner ring be set in torque set, the torque pad with
Gearbox fore shell is tightly connected, and moment spring is set between torque pad and inner ring, and the power transmission shaft passes through torque pad
And be flexibly connected by least one torque ball bearing with inner ring.
As a further improvement on the present invention, be additionally provided with the middle part of hand grip portion the push rod that can control brushless electric machine rotating and
The two ends of push rod are each passed through left casing and right casing, and the push rod, brushless electric machine, switch, battery bag, control panel electrically connect
Connect.
As a further improvement on the present invention, compensation gear ring is additionally provided with gear ring is stirred.
As a further improvement on the present invention, it is equipped with labeling fastener on left casing and right casing.
As a further improvement on the present invention, belt fastener is also equipped with base portion.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
1st, rationally, selection of Motor is brushless electric machine to integral layout, carbon brush is eliminated inside it, frictional force is big when motor is operated
Big to reduce, operation is smooth, and noise can be much lower, and non-carbonate design causes the abrasion of brushless electric machine to be primarily generated at bearing
On, in terms of mechanical angle, brushless electric machine is almost a kind of non-maintaining motor, when necessary, only need to do some dedustings
Maintenance, extends the service life of brushless electric machine, also the service life of electric drill is protected.
2nd, fan blade, ventilation breach, ventilation slot coordinate close, and in the electric drill course of work, fan blade rotates the absorption affinity produced
Ventilation slot of the external air flow first by hand grip portion rear end is driven to be inhaled into inside electric drill machine shell, then the ventilation slot stream by installation portion rear end
Go out outside casing, external air flow is during casing lower end migration to upper end, and the heat that each internal parts are produced is siphoned away,
The heat given out in electric drill is flowed out outside casing in time, radiating effect is preferable, improves the service life of electric drill.
3rd, after closing is switched, the related drill chuck of brushless electric machine stops operation, now pilot bulb delay-action, in this phase
Between operator on the one hand the light that can be provided by pilot bulb observes the situation of bit bore, on the other hand now grasp
Making workman can also withdraw from electric drill from dim working environment, it is to avoid the phenomenon collided with occurs and damages electric drill or accidental injury
Workman, after pilot bulb extinguishes completely, electric drill now is in safety stop state, pilot bulb and control panel phase interworking
Close, the perfect follow-up rounding-off work of electric drill, flexibility is big, greatly improves the practical performance of electric drill.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is the structural representation at another visual angles of Fig. 1.
Fig. 3 be in Fig. 2 A-A to sectional view.
Fig. 4 is the explosive view of a preferred embodiment of the present invention.
Fig. 5 is the structural representation of brushless electric machine in a preferred embodiment of the present invention.
Fig. 6 is the structural representation at another visual angles of Fig. 5.
Fig. 7 is the explosive view of brushless electric machine in a preferred embodiment of the present invention.
Fig. 8 is the structural representation at another visual angles of Fig. 6.
Fig. 9 is the sectional view of B-B direction in Fig. 8.
Figure 10 is the structural representation of battery bag in a preferred embodiment of the present invention.
Figure 11 is the explosive view of battery bag in a preferred embodiment of the present invention.
Figure 12 is the structural representation of socket in a preferred embodiment of the present invention.
Figure 13 is the structural representation of battery snap in a preferred embodiment of the present invention.
In figure, 10, casing；11st, installation portion；12nd, hand grip portion；13rd, base portion；141st, small V-shaped groove；142nd, big V-shaped groove；
143rd, rear venting groove；15th, left casing；16th, right casing；17th, rear chassis；20th, battery bag；201st, upper lid；2011st, jack；
2012nd, lockhole；2013rd, concave part；2014th, lid mounting hole；2015th, body；2016th, connecting portion；202nd, base；2021st, it is electric
Pond groove；2022nd, reinforcement；2023rd, shrouding；203rd, latch；2031st, guide part；2032nd, solution lock section；2033rd, sticking department；204、
Battery snap；2041st, battery compartment；2042nd, mounting seat；2043rd, locating slot；2044th, locating piece；2045th, limiting section；205th, battery
Group；206th, conducting strip；207th, battery spring；208th, socket；2081st, seat support；20811st, locating dowel；20812nd, dividing plate；
20813rd, interval trough；2082nd, contact chip；30th, switch；40th, drill chuck；41st, drill bit mounting hole；50th, brushless electric machine；51st, motor
Shell；511st, motor fore shell；512nd, shell after motor；513rd, ventilation breach；52nd, power output shaft；53rd, stator；531st, winding；
54th, rotor；541st, magnet；55th, Hall Plate；561st, preceding ball bearing；562nd, rear ball bearing；57th, fan blade；571st, it is raised；58th, seal
Lid；59th, gland；60th, reduction gearing mechanism；61st, power transmission shaft；621st, gearbox fore shell；622nd, shell after gearbox；63rd, tooth is stirred
Circle；64th, ring gear；651st, primary planet carrier；652nd, primary planet pinion；653rd, equipment gear；661st, secondary planet frame；662、
Secondary planetary gear；663rd, gear is connected；671st, self-locking planet carrier；672nd, three-stage planetary gear；68th, self-locking mechanism；681st, certainly
Lock core；682nd, self-locking ring；69th, flip stand；70th, electric motor end cap；80th, motor gear；91st, torque set；92nd, torque pad；93、
Inner ring；94th, torque spring；95th, torque ball bearing；101st, selector button；102nd, push rod；103rd, gear ring is compensated；104th, labeling button
Part；105th, belt fastener；106th, tuning fork；107th, control panel.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1 to figure 13, this convenient electric drill includes casing 10, and casing 10 includes the installation from top to bottom set gradually
Portion 11, hand grip portion 12, base portion 13, are provided with battery bag 20 below base portion 13, and switch is provided with the front end of hand grip portion 12
30, the drill chuck 40 with drill bit mounting hole 41 is installed in the front end of installation portion 11, control panel 107 is installed in installation portion 11
It is connected with brushless electric machine 50 and brushless electric machine 50 by reduction gearing mechanism 60 with drill chuck 40, is also installed in the front end of installation portion 11
Have a pilot bulb (not shown) positioned at the lower section of drill chuck 40, pilot bulb, switch 30, battery bag 20, control panel 107,
Brushless electric machine 50 is electrically connected and forms closed-loop path, and after 30 opening is switched, brushless electric machine 50 drives the operation of drill chuck 40, together
When pilot bulb light, when switch 30 close after, the related drill chuck 40 of brushless electric machine 50 stops operation, now pilot bulb be delayed
Extinguish within three seconds to ten seconds, brushless electric machine 50 includes motor housing 51 and in motor housing 51 and after installation portion 11
The fan blade 57 set is held, the multiple ventilation breach 513 being correspondingly arranged with fan blade 57 are offered on motor housing 51, in casing 10
On offer multiple ventilation slots that the rear end of installation portion 11 is extended to by the rear end of hand grip portion 12, be provided with preferably in the casing 10 with it is each logical
Wind breach 513, the vent passages of the equal UNICOM of each ventilation slot, fan blade 57 can drive ventilation of the external air flow first by the rear end of hand grip portion 12
Groove enters vent passages, then is flowed out by the ventilation slot of the rear end of installation portion 11 outside casing 10.
Preferably, the battery bag 20 in this case includes base 202, the upper lid 201 and peace that be located on base 202
Battery pack 205 on base 202, upper lid 201 is connected with base portion, and the battery of multiple circular arcs is offered in base 202
Groove 2021, two adjacent battery cases 2021 are connected with each other, and are vertically installed with each battery case 2021 and multiple are opened up circular arc
It is parallel to each other between the reinforcement 2022 of breach, reinforcement 2022, the breach of circular arc continues the plane to be formed i.e. battery case
2021, two shroudings 2023 of protrusion are respectively perpendicular at the two ends of battery case 2021, shrouding 2023 is higher by battery case 2021, when upper lid 201
When be located on base 202, in the upper lid 201 of the sealing insertion of shrouding 2023.
Battery bag 20 is rationally distributed in this case, practical.Specifically, the battery case 2021 of circular arc, battery case are set
Supported in 2021 by reinforcement 2022, overall construction intensity is high, material is saved, cost is low；It is all provided with the two ends of battery case 2021
Shrouding 2023 is put, shrouding 2023 can insert lid 201, facilitate fixed and positioned, clever structure；Shrouding 2023 and base 202 are set
One is set to, part is reduced, the process of less assembling, production efficiency is high.
Button, which is provided with battery snap 204, battery snap 204, in battery pack 205 offers multiple battery compartments continuously intersected
2041, battery compartment 2041 be in circular groove, notch outwardly, battery pack 205 be arranged on battery compartment 2041 in, battery compartment 2041 with
Battery case 2021 is just to setting, and battery snap 204 is affixed to base 202, preferably, battery pack 205 by five groups of lithium battery groups into,
Protrude to form mounting seat 2042 at the back side of battery compartment 2041, socket 208 is installed on upper lid 201, socket 208 is electrically connected with
Conducting strip 206, conducting strip 206 is in tabular, and in a side of conducting strip 206, vertical bending forms connecting portion 2016, conducting strip
206 are soldered to battery pack 205, when battery pack 205 is disposed to battery case 2021, and the conducting strip 206 at the two ends of battery pack 205 is arranged on
Between two shroudings 2023, connecting portion 2016 is connected with socket 208 by wire, and jack 2011, jack are offered on upper lid 201
2011 just to socket 208, and socket 208 is arranged on upper lid 201 and is resisted against in mounting seat 2042, justifies in the protrusion of battery snap 204 one
The locating piece 2044 of cylindricality, locating piece 2044 sets up separately at the two ends of battery snap 204 with mounting seat 2042, pacifies on locating piece 2044
Equipped with battery spring 207, the other end of battery spring 207 is connected with lock 203, and lock 203 is pushed against on lid 201 and protrusion
Lid 201.
The battery snap 204 matched with battery case 2021 and battery pack 205 is set, can be by the firm stabilization of battery pack 205
It is fixed on base 202, is difficult to loosen, stability is good；Conducting strip 206 is welded on the two ends of correspondence battery pack 205, electric conductivity
Good, connection reliability is high, and current-conveying good, electric energy loss is few；Mounting seat 2042 is set at the back side of battery snap 204, is used for
Support is arranged on the socket 208 on upper lid 201, pressure during plug socket 208 is shared to battery snap 204 and base 202, inserts
The connection of seat 208 is firm, is hardly damaged；Set locating piece 2044 that battery spring 207, battery spring 207 are installed on battery snap 204
Easy for installation, guidance quality is good, and direction is stable, is difficult to run；Set lock 203 is convenient to be connected with other equipment.
Specifically, socket 208 includes seat support 2081 and the multiple contact chips 2082 on seat support 2081, connects
Contact 2082 is electrically connected to corresponding battery pack 205, two contact chips 2082 be between one group and two adjacent groups by dividing plate 20812 every
Open, two contact chips 2082 with group are pressed close to close to the end of one end, both ends outside expansion respectively, as preferred, wire can
A piece of in one group of contact chip 2082 to be electrically connected to, two contact chips 2082 in one group are independently mounted on socket 208, socket
Opened up on 208 in multiple independent and parallel interval trough 20813, the insertion interval trough 20813 of contact chip 2082, seat support 2081 is in
Two rectangular-shaped flat boards, contact chip 2082 is arranged in the cornerite that seat support 2081 is wrapped up, and one in seat support 2081 is lateral
Outer protrusion is formed in the locating dowel 20811 of a cylinder, mounting seat 2042 and offers locating slot 2043, and socket 208 is attached to
Lid 201, when the upper button of lid 201 is set to base 202, in the insertion locating slot 2043 of locating dowel 20811.
Contact chip 2082 is installed on socket 208, connection is connected through jack 2011 with contact chip 2082, it is convenient from battery
Power taking and charging, easy to use in bag；Jack 2011 is set to stop that the foreign matter of big drops in battery bag；Dividing plate is set
20812 effectively separate two groups of contact chips 2082, easy for installation, good insulating；Interval trough 20813 is set on socket 208, connect
Contact 2082 is arranged to monolithic, and contact chip 2082 is saved, easy for installation；Locating dowel 20811, energy are set on seat support 2081
Effectively it is supported in battery bag, the pressure that socket 208 is subject to is transferred to base 202, clever structure.
Further, upper lid 201 includes the connecting portion 2016 of body 2015 and vertical protrusion body 2015, in body
Portion 2015 and the intersection of connecting portion 2016 offer a concave part 2013, and lid mounting hole is offered in concave part 2013
2014, one end close to concave part 2013 on connecting portion 2016 offers lockhole 2012, and jack 2011 is opened in connecting portion
2016 other end, lock 203 includes guide part 2031, the solution lock section 2032 perpendicular to guide part 2031 and perpendicular to solution lock section
2032 sticking department 2033, limiting section 2045 is provided with the end of battery snap 204, when the upper button of lid 201 is set to base 202, upper lid
A chute is formed between 201 inwall and limiting section 2045, guide part 2031 is slidably installed in chute, and battery spring 207 is resisted against
In solution lock section 2032, the periphery of sticking department 2033 be limited in lockhole 2012 and sticking department 2033 end protrusion lockhole 2012,
The protrusion lid of solution lock section 2032 mounting hole 2014, when pressing solution lock section 2032, lock 203 can be slided along limiting section 2045, sticking department
2033 retract along upper lid 201 along lockhole 2012, when unclamping solution lock section 2032, and battery spring 207 promotes solution lock section 2032 along spacing
The direction of portion 2045 is moved, and sticking department 2033 protrudes upper lid 201 along lockhole 2012 and can be attached to other equipment.
Guiding on the end of battery snap 204 and the chute of the madial wall formation guidance quality of upper lid 201, convenient lock 203
Portion 2031 is slided in chute, plays guide effect, is produced chute by the cooperation of battery snap 204 and upper lid 201, is reduced electricity
Chi Bao size；Lock 203 can be moved along a straight line with battery spring 207, and other equipment is can be attached to again, facilitates battery bag to install,
It is simple in construction ingenious in design.
In the present invention, battery bag 20 can be built in casing 10, can also be connected on outside on casing 10, it is to avoid outside
Lines are excessively random, are easy to user's take-up, offered convenience to remote work.The drill bit mounting hole 41 of drill chuck 40 can be used for installing
The drill bit of all size, simple in construction and frock is convenient.
In use, battery bag 20 provides electric power output, brushless electric machine 50 is controlled to operate by toggle switch 30, brushless electric machine
50 (i.e. power output shafts 52) drive the related drill chuck 40 of reduction gearing mechanism 60 to operate, and then drill chuck 40 drives drill bit work
Make so that electric drill realizes scraping material surface, pierces the functions such as object.
In an initial condition, rationally, selection of Motor is brushless electric machine 50 to integral layout to this convenient electric drill, is eliminated inside it
Carbon brush (i.e. brush), the electric spark produced when being operated without brush motor greatly reduces electric spark external electronic equipments
Interference, motor operate when frictional force greatly reduce, run it is smooth, noise can be much lower.And non-carbonate design causes nothing
The abrasion of brush motor 50 is primarily generated on bearing, in terms of mechanical angle, and brushless electric machine 50 is almost a kind of non-maintaining electronic
Machine, when necessary, need to only do some dedustings maintenance, extend the service life of brushless electric machine 50, also cause overall
Arriving for the service life of electric drill is ensured.
In real work, after 30 opening is switched, brushless electric machine 50 drives the operation of drill chuck 40, while pilot bulb is bright
Rise, pilot bulb now plays the effect such as illumination, prompting, can be started running with teaching process workman's electric drill, can also be square
Just electric drill is acted in compared with dim environment；After 30 closing is switched, the related drill chuck 40 of brushless electric machine 50 stops operation, and now refers to
Show bulb delay-action, the delay-action time is typically chosen three seconds to ten seconds casings and meets actual demand, indicated preferably in this case
The bulb delay-action time is five seconds, now five seconds is the buffer time after motor stops, in the meantime operator one
The light that aspect can be provided by pilot bulb observes the situation of bit bore, checks whether the hole of brill is qualified, if need
To process again, on the other hand now operator can also withdraw from electric drill from dim working environment, it is to avoid collide with
Phenomenon occurs and damages electric drill or accidentally injure workman, after pilot bulb extinguishes completely, and electric drill now is in safety stop shape
State, pilot bulb cooperates with control panel 107, the perfect follow-up rounding-off work of electric drill, can be designed according to actual conditions
Its lighting colour, size, delay time etc., flexibility are big, greatly improve the practical performance of electric drill.
Further, brushless electric machine 50 also includes power output shaft 52, and fan blade 57 is set on power output shaft 52, in electricity
Stator 53 provided with winding 531 is installed in machine shell 51, it is the rotor 54 provided with least one magnet 541, electric with stator 53
The Hall Plate 55 of connection, power output shaft 52 and rotor 54 are connected, the part of power output shaft 52 stretch out motor housing 51 it is outer and with
Reduction gearing mechanism 60 is connected.
Brushless electric machine 50 in this case is mainly made up of stator 53, rotor 54, Hall Plate 55, power output shaft 52, Hall
Plate 55 is electrically connected with stator 53, for the changes of magnetic field produced when detecting that magnet 541, rotor 54 rotate.Hall Plate 55 is one
Mageneto-sensitive type position sensor is planted, other Mageneto-sensitive type position sensors can be substituted for according to the actual requirements, is no longer gone to live in the household of one's in-laws on getting married herein
State.During work, Hall Plate 55 presses the change of the position of rotor 54, and the electric current of winding 531 on stator 53 is carried out along a graded
The change of current (detects position of the magnetic pole of rotor 54 with respect to winding 531, and produces position sensor signal at defined location, through letter
Go to control the circuit of power switch 30 after the processing of number change-over circuit, the current switching of winding 531 is carried out by certain logical relation).It is fixed
The operating voltage of winding 531 is provided by the electronic circuit of the output control of Hall Plate 55 on son 53.The above-mentioned structure of brushless electric machine 50 is set
Put simply and space layout is compact, reduce area occupied, and the stable working of brushless electric machine 50, it is easy to maintenance.
In addition, the brushless electric machine 50 in the present invention is preferably mounted at the back-end location of installation portion 11, and leaned in brushless electric machine 50
The nearly back-end location of installation portion 11 is provided with fan blade 57, and the ventilation breach being correspondingly arranged with fan blade 57 is offered on motor housing 51
513, ventilation slot is offered on casing 10, the vent passages being provided with casing 10 with the equal UNICOM of each ventilation slot (do not show in figure
Go out), in the electric drill course of work, switch 30 controls brushless electric machine 50 to operate, while fan blade 57 is rotated, fan blade 57 rotates what is produced
Absorption affinity is by the cooperation with breach 513 of divulging information, and fan blade 57 drives ventilation slot of the external air flow first by the rear end of hand grip portion 12 to be inhaled
Enter the inside of electric drill machine shell 10 (i.e. in vent passages), then flowed out by the ventilation slot of the rear end of installation portion 11 outside casing 10.
External air flow is during the lower end migration of casing 10 to upper end, and the heat that each internal parts are produced is inhaled
Walk so that the heat given out in electric drill can flow out outside casing 10 in time, radiating effect is preferable, is ensureing each parts just
Often running, it is to avoid motor or the grade of reduction gearing mechanism 60 parts overheat and the generation for burning phenomenon, improves making for electric drill
Use the life-span.
Preferably, casing 10 is fastened and formed by left casing 15, right casing 16 and rear chassis 17, is so easy to casing 10
Installation and removal, subsequent maintenance, cleaning are also more convenient.Ventilation slot is by being opened in the small V-shaped groove of multiple row of the rear end of hand grip portion 12
141st, the big V-shaped groove 142 of multirow for being opened in the side of installation portion 11, the multiple structures of rear venting groove 143 for being opened in the rear end of installation portion 11
Into big V-shaped groove 142, the half of small V-shaped groove 141 are opened on left casing 15, and second half is opened on right casing 16, each rear venting
Groove 143 is opened on rear chassis 17.Such ventilation slot topology layout rationally, external air flow by small V-shaped groove 141 equably
Into in casing 10, then by big V-shaped groove 142, ventilation slot flow out casing 10 outside, preferably big V-shaped groove 142, ventilation slot size it is big
In the size of small V-shaped groove 141, transfer rate is improved so that external air flow enters in casing 10, can fully absorb heat and incite somebody to action
It is taken out of outside casing 10.It is preferred that the opening of V-shaped groove is set away from drill chuck 40, negative pressure space can be formed at V-shaped groove entering,
Air-flow is more swimmingly entered in casing 10.
Specifically, winding 531 is plugged on stator 53, rotor 54 is located in the middle part of stator 53, and magnet 541 is plate-like to be set
Put, the quantity of magnet 541 is four and four each magnet 541 are circumferentially uniformly arranged on rotor 54.Above-mentioned magnet 541 is evenly distributed
And coordinate closely with winding 531, the stable working of brushless electric machine 50, stator 53 and rotor 54 are completely embedded so that brushless electric machine 50
Compact in design, improves space availability ratio.
The shell 512 after motor fore shell 511 and motor of motor housing 51, which is fastened, to be formed, the shell after motor fore shell 511 and motor
Ventilation breach 513 is offered on 512, stator 53 is installed in the middle part of motor housing 51, and Hall Plate 55 is arranged on stator 53 and electricity
Between machine fore shell 511, the rear end of power output shaft 52 is movably arranged on the middle part of shell 512 after motor by rear ball bearing 562, and power is defeated
The middle part of shaft 52 is connected with rotor 54, and the front end of power output shaft 52 is flexibly connected by preceding ball bearing 561 with motor fore shell 511,
The front end of power output shaft 52 is through Hall Plate 55 and partly stretching motor housing 51 is outer and is connected with reduction gearing mechanism 60.
Above-mentioned motor housing 51 and each inner components coordinate close, and the parts of each motor are rationally distributed so that
The overall internal structure compact in design of brushless electric machine 50, it is ensured that the stationarity that brushless electric machine 50 works so that power output shaft 52
Driving force can smoothly be exported.
Preferably, fan blade 57 is arranged on after motor between shell 512 and stator 53, and fan blade 57 passes through closure 58 and stator 53
It is tightly connected, fan blade 57 is faced in the middle part of the outer face of motor fore shell 511 provided with projection 571, the raised middle part of 571 embedding sealing lid 58
And be tightly connected with closure 58, power output shaft 52.
The setting of closure 58 and projection 571 causes stator 53, power output shaft 52 and the sealing of the three of shell 512 after motor
Property be protected, with dust-tight, water proof etc. effect, it is ensured that brushless electric machine 50 work stationarity.Shell 512, fan blade after motor
57th, closure 58, stator 53 and power output shaft 52 are rationally distributed, the compact conformation of the rear end of brushless electric machine 50, improve sky
Between utilization rate and job stability.In addition, the setting of above-mentioned fan blade 57 and projection 571 is equal to power output shaft 52 and stator 53
Position-limiting action is played, facilitates frock, the reliability that brushless electric machine 50 works has been ensured.
Preferably, the gland 59 being set in outside power output shaft 52 is provided between motor fore shell 511 and stator 53, is pressed
Set 59 is located in Hall Plate 55 and is tightly connected with motor fore shell 511, stator 53.
The setting of gland 59 causes stator 53, power output shaft 52, Hall Plate 55, the sealing of motor fore shell 511 to obtain
Ensure, with the effect such as dust-tight, water proof, it is ensured that the stationarity that brushless electric machine 50 works.Motor fore shell 511, gland 59, Hall
Plate 55, stator 53 and power output shaft 52 are rationally distributed, the compact conformation of the front end of brushless electric machine 50, improve space availability ratio
And job stability.In addition, the setting of above-mentioned gland 59 plays position-limiting action to power output shaft 52 and Hall Plate 55, it is convenient
Frock, has ensured the reliability that brushless electric machine 50 works.
Further, brushless electric machine 50 is arranged in installation portion 11 by electric motor end cap 70, and the front end of power output shaft 52 is consolidated
Motor gear 80 is connected with, drill chuck 40 is arranged on the front end of installation portion 11 by torque set 91, and reduction gearing mechanism 60 includes transmission
Shell 622 after axle 61, gearbox fore shell 621, gearbox, stir gear ring 63, ring gear 64, gearbox fore shell 621 with after gearbox
Shell 622, which is connected, to be constituted gearbox body and gearbox body and is arranged in installation portion 11, gearbox body be arranged on torque set 91 with it is brushless
Between motor 50, the first speed change component, the second speed change component, the 3rd speed change component, the first speed change component are provided with gearbox body
Including primary planet carrier 651 and three primary planet pinions 652 being circumferentially uniformly plugged on primary planet carrier 651,
Two speed change components include secondary planet frame 661 and five secondary planets being circumferentially uniformly plugged on secondary planet frame 661
Gear 662, stirs gear ring 63 while engaging company with the outer peripheral face of three primary planet pinions 652, five secondary planetary gears 662
Connect, inner peripheral surface engagement of the motor gear 80 simultaneously with three primary planet pinions 652 is connected, and the 3rd speed change component includes self-locking row
Carrier 671 and five three-stage planetary gears 672 being circumferentially uniformly plugged on self-locking planet carrier 671, ring gear 64 is simultaneously
Outer peripheral face engagement with five three-stage planetary gears 672 is connected, and the middle part of secondary planet frame 661 is installed with connection gear 663 and connected
The inner peripheral surface engagement that gear 663 is connect with five three-stage planetary gears 672 is connected, and power transmission shaft 61 is located in installation portion 11, transmission
The one end of axle 61 is connected through torque set 91 and with drill chuck 40, and the other end is through gearbox body and passes through self-locking mechanism 68 and self-locking
Planet carrier 671 is connected, power transmission shaft 61, primary planet carrier 651, secondary planet frame 661, self-locking planet carrier 671, power output shaft 52
It is coaxially disposed.
The setting of electric motor end cap 70 facilitates the work assembly and disassembly of brushless electric machine 50, has also further ensured brushless electric machine 50
The stability of work.
In the present invention, reduction gearing mechanism 60 includes three groups of speed change components, reasonable in design, and each parts layout is close
And it is fixed so that electric drill in the course of the work rock by internal be less prone to, it is ensured that operating efficiency.This reduction gearing mechanism
60 can realize three-step gear shift, further improve operating efficiency.The driving force of brushless electric machine 50 is passed by reduction gearing mechanism 60
It is sent on power transmission shaft 61, in the course of work, brushless electric machine 50 is synchronous to drive power transmission shaft 61 to rotate, and then rotary shaft drives drill chuck
40 rotate, and drill chuck 40 drives bit operation so that electric drill realizes scraping material surface, pierces the functions such as object.
Preferably, self-locking mechanism 68 include being installed in the middle part of self-locking planet carrier 671 from lock core 681, with from the phase of lock core 681
The self-locking ring 682 for connecting and being fastened on self-locking planet carrier 671, power transmission shaft 61 from lock core 681 through self-locking ring 682 and with being connected.
The compact in design of self-locking mechanism 68, in the course of the work each parts be difficult to rock, it is ensured that job stability, and from lock machine
Structure 68 30 is engaged with switch so that when electric drill is started working, toggle switch 30, and brushless electric machine 50 comes into operation and drives transmission
Axle 61 is rotated, now power transmission shaft 61 self-locking mechanism 68 effect under can rotate down always, without operator always according to
Switch 30 is not put, and reduces labor intensity, can alleviate hand fatigue when drilling for a long time, frock is convenient and flexibility is big.
Preferably, the flip stand 69 connected with stirring gear ring 63 is provided with installation portion 11, it is movable on installation portion 11
The selector button 101 being connected with flip stand 69 is installed, the middle part of primary planet carrier 651 is installed with equipment gear 653 and auxiliary
Gear 653 is connected with the inner peripheral surface engagement of five secondary planetary gears 662, and selector button 101 can drive the level of flip stand 69
Slide and related gear ring 63 of stirring is engaged or departed from the outer peripheral face of primary planet pinion 652.It is preferred that being set on selector button 101
Mark is put in order to which operator recognizes, easy to process, practicality is good.It is preferred that be additionally provided with installation portion 11 can make speed change by
The resetting-mechanism (such as back-moving spring) that button 101 resets after acting so that integral layout is more reasonable.It is preferred that on installation portion 11
Provided with the tuning fork 106 being engaged with selector button 101 so that clear and melodious sound can be sent when pulling selector button 101, it is easy to behaviour
Make workman's identification, easy to use, flexibility is big.
Flip stand 69 and selector button 101 are reasonable in design and easy for installation, when selector button 101 drives flip stand 69
Horizontal sliding and related gear ring 63 of stirring with the outer peripheral face of each primary planet pinion 652, secondary planetary gear 662 while engage
When, reduction gearing mechanism 60 now can realize three-step gear shift；When selector button 101 drives the horizontal sliding of flip stand 69 and company
Band is stirred after gear ring 63 and the outer peripheral face of primary planet pinion 652 depart from, now stir gear ring 63 only with each secondary planetary gear
During 662 outer peripheral face engagement, reduction gearing mechanism 60 now can realize level Four speed change.Above-mentioned flip stand 69, selector button
101 and stir gear ring 63 setting cause this case in transmission device versatility it is wider, selector button 101, which operates, also to be compared
It is more convenient.
Preferably, moment pad 92 and inner ring 93, torque pad 92 and gearbox fore shell 621 are set in torque set 91
It is tightly connected, moment spring 94 is set between torque pad 92 and inner ring 93, and power transmission shaft 61 is through torque pad 92 and leads to
At least one torque ball bearing 95 is crossed to be flexibly connected with inner ring 93.Parts in above-mentioned each torque set 91, which are set, causes transmission
Axiality, the stability of axle 61 and torque set 91 are protected.
It is well known that can produce vibrations in electric drill work, inner ring 93 is contacted with drill chuck 40, torque spring 94 and inner ring 93
Setting can absorb the vibrations of electric drill generation, it is reasonable in design so as to reduce transmission of the vibrations to human body, improve using comfortable
Degree and operating accuracy.
Preferably, the push rod 102 that can control the rotating of brushless electric machine 50 and push rod 102 are additionally provided with the middle part of hand grip portion 12
Two ends are each passed through left casing 15 and right casing 16, push rod 102, brushless electric machine 50, switch 30, battery bag 20, the electricity of control panel 107
Gas connects and forms closed-loop path, when needing electric drill to invert, by lower push-rod 102, uses simple and convenient, flexibility
Greatly so that electric drill can be suitably used for more occasions.
Preferably, compensation gear ring 103 is additionally provided with gear ring 63 is stirred, compensation gear ring 103, which can be widened, stirs gear ring 63,
So that stirring the stable working of gear ring 63, operating efficiency is improved.
Labeling fastener 104 is equipped with left casing 15 and right casing 16, it is easy for installation, it is easy to operating personnel to recognize the work
Tool, practicality is good.Belt fastener 105 is also equipped with base portion 13, belt fastener 105 enables electric drill to hang up or tie up
On waist, it is easy to electric drill to store and transport.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (9)
1. a kind of convenient electric drill, it is characterised in that：Including casing, the casing includes installation portion, hand grip portion, the base set gradually
Portions, are provided with battery bag below base portion, and switch is provided with hand grip portion front end, are provided with installation portion front end with brill
Head mounting hole drill chuck, control panel and brushless electric machine are installed in installation portion and brushless electric machine by reduction gearing mechanism with
Drill chuck is connected, and is also equipped with being located at the pilot bulb below drill chuck, the pilot bulb, switch, electricity in installation portion front end
Chi Bao, control panel, brushless electric machine electrical connection, after opening is switched, the brushless electric machine drives drill chuck operation, indicates simultaneously
Bulb is lighted, and after closing is switched, the related drill chuck of brushless electric machine stops operation, and now pilot bulb is delayed three seconds to ten
Second extinguishes, the wind that the brushless electric machine includes motor housing and set in motor housing and close to installation portion rear end
Leaf, some ventilation breach being correspondingly arranged with fan blade are offered on motor housing, are offered on casing by hand grip portion rear end
Extend to some ventilation slots of installation portion rear end；The casing is fastened by left casing, right casing and rear chassis and formed, in machine
The vent passages with each ventilation breach, the equal UNICOM of each ventilation slot are provided with shell, the ventilation slot is by being opened in hand grip portion rear end
The small V-shaped groove of multiple row, the big V-shaped groove of multirow for being opened in installation portion side, some rear venting grooves composition for being opened in installation portion rear end,
The big V-shaped groove, small V-shaped groove half are opened on left casing, and second half is opened on right casing, and each rear venting groove is opened in
On rear chassis；Big V-shaped groove, the size of ventilation slot are more than the size of small V-shaped groove；The opening of V-shaped groove is set away from drill chuck.
2. a kind of convenient electric drill according to claim 1, it is characterised in that：The pilot bulb delay-action time is five
Second.
3. a kind of convenient electric drill according to claim 2, it is characterised in that：The brushless electric machine also includes power output
Axle, the fan blade is set on power output shaft, the stator provided with winding is provided with motor housing, provided with least one magnetic
The rotor of iron, the Hall Plate being electrically connected with stator, the power output shaft are connected with rotor, and the power output shaft portion is stretched
Go out outside motor housing and be connected with reduction gearing mechanism.
4. a kind of convenient electric drill according to claim 3, it is characterised in that：The motor housing is by motor fore shell and motor
Shell is fastened and formed afterwards, offers ventilation breach on shell after motor fore shell and motor, the stator is installed in motor housing
Portion, the Hall Plate is arranged between stator and motor fore shell, and the power output shaft rear end is installed by the activity of rear ball bearing
After motor in the middle part of shell, be connected in the middle part of the power output shaft with rotor, the power output shaft front end by preceding ball bearing with
Motor fore shell is flexibly connected, and the power output shaft front end is through Hall Plate and partly stretches out outside motor housing and and deceleration transmission
Mechanism is connected.
5. a kind of convenient electric drill according to claim 4, it is characterised in that：The fan blade is arranged on shell and stator after motor
Between, the fan blade is connected by closure with seal stator, and the fan blade is faced in the middle part of the outer face of motor fore shell provided with convex
Rise, be tightly connected in the middle part of the raised embedding sealing lid and with closure, power output shaft.
6. a kind of convenient electric drill according to claim 5, it is characterised in that：The brushless electric machine is installed by electric motor end cap
In installation portion, the power output shaft front end is fixed with motor gear, and the drill chuck is arranged on installation portion by torque set
Front end, the reduction gearing mechanism includes shell after power transmission shaft, gearbox fore shell, gearbox, stirs gear ring, ring gear, the change
Shell, which is connected, after fast case fore shell and gearbox constitutes gearbox body and gearbox body is arranged in installation portion, and the gearbox body is set
Between torque set and brushless electric machine, the first speed change component, the second speed change component, the 3rd speed change group are provided with the gearbox body
Part, the first speed change component includes primary planet carrier and three one-level rows being circumferentially uniformly plugged on primary planet carrier
Star gear, the second speed change component includes secondary planet frame and five two be circumferentially uniformly plugged on secondary planet frame
Level planetary gear, it is described to stir gear ring while engaging company with the outer peripheral face of three primary planet pinions, five secondary planetary gears
Connect, inner peripheral surface engagement of the motor gear simultaneously with three primary planet pinions is connected, and the 3rd speed change component is included certainly
Lock planet carrier and five three-stage planetary gears being circumferentially uniformly plugged on self-locking planet carrier, the ring gear is simultaneously with five
Connection gear and connection gear and five are installed with the middle part of the outer peripheral face engagement connection of individual three-stage planetary gear, the secondary planet frame
The inner peripheral surface engagement connection of individual three-stage planetary gear, described power transmission shaft one end covers through torque and is connected with drill chuck, the other end
Be connected through gearbox body and by self-locking mechanism and self-locking planet carrier, the power transmission shaft, primary planet carrier, secondary planet frame,
Self-locking planet carrier, power output shaft are coaxially disposed.
7. a kind of convenient electric drill according to claim 6, it is characterised in that：The self-locking mechanism includes being installed in self-locking row
In the middle part of carrier from lock core, with being connected and being fastened on the self-locking ring on self-locking planet carrier from lock core, the power transmission shaft passes through self-locking
Enclose and with being connected from lock core.
8. a kind of convenient electric drill according to claim 7, it is characterised in that：It is provided with and is connected with stirring gear ring in installation portion
Flip stand, be movably installed with installation portion solid in the middle part of the selector button being connected with flip stand, the primary planet carrier
Be connected provided with equipment gear and equipment gear with the inner peripheral surface engagement of five secondary planetary gears, the selector button can drive group
Dynamic support level slides and related gear ring of stirring is engaged or departed from primary planet pinion outer peripheral face.
9. a kind of convenient electric drill according to claim 8, it is characterised in that：Be additionally provided with the middle part of hand grip portion can control it is brushless
The push rod of the motor positive and inverse and two ends of push rod are each passed through left casing and right casing, the push rod, brushless electric machine, switch, electricity
Chi Bao, control panel electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707418.6A CN104551096B (en) | 2014-11-28 | 2014-11-28 | A kind of convenient electric drill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707418.6A CN104551096B (en) | 2014-11-28 | 2014-11-28 | A kind of convenient electric drill |
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| Publication Number | Publication Date |
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| CN104551096A CN104551096A (en) | 2015-04-29 |
| CN104551096B true CN104551096B (en) | 2017-10-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106392837B (en) * | 2015-07-30 | 2019-03-08 | 南京德朔实业有限公司 | Electric tool |
| DE212022000148U1 (en) * | 2021-03-31 | 2023-12-18 | Nanjing Chervon Industry Co., Ltd. | Hand-held power tool |
| CN114102524B (en) * | 2021-11-23 | 2022-08-26 | 江苏双双高新科技有限公司 | Electric tool with environment monitoring function based on sensing technology |
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| CN203944874U (en) * | 2014-05-29 | 2014-11-19 | 浙江明磊工具实业有限公司 | A kind of convenient electric drill |
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| JP2002345222A (en) * | 2001-05-14 | 2002-11-29 | Japan Gas Association | Driving gear and work device using the same |
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| EP0951135B1 (en) * | 1998-04-15 | 2003-12-10 | HILTI Aktiengesellschaft | Electric power tool with separated power supply |
| CN1424806A (en) * | 2003-01-03 | 2003-06-18 | 林悦祥 | Brushless DC motor for air-conditioner of vehicle |
| CN2930930Y (en) * | 2005-09-28 | 2007-08-08 | 蒋怡恬 | Electric hand drill with light source |
| CN101415527A (en) * | 2006-04-05 | 2009-04-22 | 美克司株式会社 | Electric power tool |
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| CN104551096A (en) | 2015-04-29 |
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Address after: 315145 Zhejiang city of Ningbo province Yinzhou District Binhai Investment Center East Yin Road No. 188 Patentee after: Zhejiang Minglei lithium energy technology Co., Ltd Address before: 315145 Zhejiang city of Ningbo province Yinzhou District Binhai Investment Center East Yin Road No. 188 Patentee before: ZHEJIANG MINGLEI TOOLS INDUSTRY Co.,Ltd. |
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