CN108817468A - A kind of finishing hand-adjusting type electric drill - Google Patents
A kind of finishing hand-adjusting type electric drill Download PDFInfo
- Publication number
- CN108817468A CN108817468A CN201810537718.2A CN201810537718A CN108817468A CN 108817468 A CN108817468 A CN 108817468A CN 201810537718 A CN201810537718 A CN 201810537718A CN 108817468 A CN108817468 A CN 108817468A
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- sliding part
- adjusting
- rotary cylinder
- support column
- electric drill
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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
- B23B45/003—Attachments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of finishing hand-adjusting type electric drills, are related to power tools technology field.The electric drill includes base, adjusts main body and drill bit；Adjusting main body includes support column, rotary cylinder, connector and driving member, and connector is set in outside the front end of support column, and the rear end of rotary cylinder is arranged in driving member；The rear end for adjusting main body is arranged in base, and base is equipped with driving motor and adjusts component.The beneficial effects of the invention are as follows：The present invention adjusts external rotary cylinder by the sliding part inside adjusting indirectly, while rotary cylinder rotate driving electric drill, controls the punching depth of electric drill, design feature is prominent, and drilling precision and quality are all significantly improved, wide market；Component is adjusted by alloting rotation, the displacement of adjustable column is accurately controlled, and then realize unique distance of accuracy controlling sliding part, uses spring, after the completion of punching, spring pushes sliding part return under the action of natural resiliency restoring force, time saving and energy saving.
Description
Technical field
The present invention relates to power tools technology field more particularly to a kind of finishing hand-adjusting type electric drills.
Background technique
Electric drill working principle is that the rotor of electromagnetic rotation or electromagnetic reciprocating small capacity motor does magnetic field intercepts
Acting operating drives apparatus for work by transmission mechanism, the power of drill bit is increased with moving gear, to make drill bit scrapings body surface
Object is preferably pierced in face.Electric drill can be divided into 3 classes：Electric hand drill, impact drill, hammer drill.1. electric hand drill：Power is minimum, use scope
It is only limitted to bore wood and when electric screwdriver is used, part electric hand drill can be changed to specialist tools depending on the application, and purposes and model are more；
2. impact drill：The beater mechanism of electric impact drill has dog and two kinds of ball-type；3. hammer drill (electric hammer)：It can be in a variety of hard materials
Upper drill hole, use scope are most wide.This 3 kinds of electric drill prices arrange from low to high, and function also increases therewith, select and need to combine respectively
The scope of application and requirement.
Currently, existing electric drill in punching, is all to be adjusted by operator by the dynamics of hand-held control electric drill entirety
The depth of punching, is not only difficult to control the depth of punching, but also has an effect on the precision and quality of punching.
Summary of the invention
How the technical problem to be solved by the present invention is to improve precision and quality when electric drill punching.
In order to solve the above technical problems, the present invention provides a kind of finishing hand-adjusting type electric drill, electric drill is effectively increased
Precision and quality when punching.
A kind of finishing hand-adjusting type electric drill, it is characterised in that：Including base, adjust main body and drill bit；The adjusting master
Body includes support column, rotary cylinder, connector and driving member, and the cylindrical structure of support column, middle inside is equipped with cylinder
Shape through-hole, and sliding part is fitted in the cylindric through-hole, the cylindrical structure of sliding part, and the middle part of sliding part
Outer sheath is equipped with internal magnetic ring, and the both ends outer sheath of sliding part is equipped with wear-resisting ring, and the both ends of the sliding part are additionally provided with end cap, described
The cylindrical structure of rotary cylinder, and be set in outside support column, the inside middle portion of the rotary cylinder is equipped with outer magnetic ring, the outer magnetic ring
Cylindrical structure, and be set in outside support column, the both ends of the outer magnetic ring are equipped with self-lubricating bearing, the self-lubricating bearing set
It is located at outside support column, is placed on the inside of the both ends of rotary cylinder, the rotary cylinder both ends are additionally provided with stop collar, and the stop collar passes through
The connection of the end of bolt and rotary cylinder, the connector is in barrel-shaped structure, and end opening thereafter, the connector are set in branch
Outside the front end of dagger, and the rear end of connector is fixedly connected with the front end of rotary cylinder, and spring, the bullet are equipped in the connector
The both ends of spring are connect with the inside of the front end of support column and connector respectively, the cylindrical structure of driving member, and are driven
The rear end of rotary cylinder is arranged in part, is equipped with external gear on the outside of the rear end of the driving member；The base, which is arranged in, adjusts main body
Rear end, and the support column rear end for adjusting main body is protruded into base, the base is equipped with driving motor and adjusts component, the drive
The motor shaft of dynamic motor is arranged forward, and the front end of the motor shaft is equipped with driving gear, and the driving gear is mutually nibbled with external gear
It closes；The rear end of the drill bit is equipped with mounting base, the cylindrical structure of mounting base, and is fixed on the front end of driving member.
Further, the adjusting component includes regulation handle and adjustable column, and the front end of the regulation handle passes through shaft
Outside base, the adjustable column is arranged in the inner cavity of support column rotatable support, is placed in the rear end of sliding part, the adjusting
The front end of column and the end cap of sliding part rear end are rotatablely connected, and the side of adjustable column is equipped with one and adjusts protrusion, the base side wall
Upper to be provided with rectangular opening with corresponding position that is adjusting protrusion, the rear end of the regulation handle is equipped with arc adjustment hole, the arc
The position of adjustment hole is corresponding with the position for adjusting protrusion, and will adjust protrusion limit wherein, one end of the arc adjustment hole
Distance to shaft is less than the other end of the arc adjustment hole to the distance of shaft.
Further, further include adjust alarm set, the adjusting alarm set include touch sensor, processor,
Controller and alarm, the front end of support column is arranged in the touch sensor, and touch sensor is connect with processor,
The processor is connect with controller, and the controller is connect with alarm.
Further, the alarm includes flashing light, and the flashing light is arranged outside base.
Further, end cap structure in the form of annular discs has a diameter larger than the diameter of sliding part, and no more than wear-resisting ring
Outer diameter.
Further, the end cap is bonded in the end of sliding part, and the centerline collineation of its center line and sliding part.
Further, the internal diameter of the stop collar is less than the outer diameter of self-lubricating bearing, and outer diameter is greater than the internal diameter of rotary cylinder,
And it is not more than the internal diameter of connector.
It further, further include shield.
Further, the shielding cover is located at outside driving motor and driving gear.
The beneficial effects of the invention are as follows：
(1) overall construction design of the present invention is ingenious, using the mutual magneticaction of interior outer magnetic ring, when sliding part is in support column
When the interior length direction along support column is displaced, the outer magnetic ring outside rotary cylinder can rotary cylinder fortune of the sync pulling with internal magnetic ring
It is dynamic, compared to it is existing the dynamics of hand-held control electric drill come by way of regulating and controlling punching depth, the present invention is internal by adjusting
Sliding part to adjust external rotary cylinder indirectly and control the punching depth of electric drill while rotary cylinder rotate driving electric drill,
Design feature is prominent, and drilling precision and quality are all significantly improved, wide market；
(2) it in the present invention, using adjusting component come the displacement of adjustment slide, and is equipped in support column in connector
Between spring, on the one hand, adjust component by alloting rotation, accurately control the displacement of adjustable column, and then realize accurate adjust
Unique distance of sliding part is controlled, on the other hand, due to using spring, when adjustable column pushes sliding part to be displaced in support column
When front end, spring is in compressed state, after the completion of punching, unclamps regulation handle, spring is in natural resiliency restoring force
Under effect, sliding part return is pushed, so that the operation for the person of being convenient to use, time saving and energy saving；
(3) in the present invention, using alarm set is adjusted, when adjustable column pushes sliding part to be displaced to the front end in support column
When, the flashing light for adjusting alarm set can shine, and play the role of reminding operator.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of finishing hand-adjusting type electric drill of the present invention.
Fig. 2 is the structural schematic diagram of base and adjusting main body in a kind of finishing hand-adjusting type electric drill of the present invention.
Fig. 3 is the partial enlarged view of A in Fig. 2.
Fig. 4 is the partial enlarged view of B in Fig. 2.
Fig. 5 is that a kind of finishing of the present invention is shown with structure when sliding part is displaced to support column Inner Front End in hand-adjusting type electric drill
It is intended to.
Fig. 6 is the schematic diagram that alarm set is adjusted in a kind of finishing hand-adjusting type electric drill of the present invention.
Reference signs list：
1- base, 2- drill bit, 3- support column, 4- rotary cylinder, 5- connector, 6- driving member, 7- sliding part, 8- internal magnetic ring,
9- wear-resisting ring, 10- end cap, 11- outer magnetic ring, 12- self-lubricating bearing, 13- stop collar, 14- spring, 15- external gear, 16- driving
Motor, 17- drive gear, 18- mounting base, 19- regulation handle, 20 1 adjustable columns, 21- shaft, 22- adjusting protrusion, 23- rectangle
Hole, 24- arc adjustment hole.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
Embodiment 1
A kind of finishing hand-adjusting type electric drill provided in this embodiment, structure is as shown, including base 1, adjusting main body
With drill bit 2；Adjusting main body includes support column 3, rotary cylinder 4, connector 5 and driving member 6, the cylindrical structure of support column 3, in
Middle side part is equipped with cylindric through-hole, and sliding part 7 is fitted in the cylindric through-hole, the cylindrical structure of sliding part 7, and
The middle part outer sheath of sliding part 7 is equipped with internal magnetic ring 8, and the both ends outer sheath of sliding part 7 is equipped with wear-resisting ring 9, and the both ends of sliding part 7 are also
Equipped with end cap 10, the cylindrical structure of rotary cylinder 4, and be set in outside support column 3, the inside middle portion of rotary cylinder 4 is equipped with outer magnetic ring
11, the cylindrical structure of outer magnetic ring 11, and be set in outside support column 3, the both ends of outer magnetic ring 11 are equipped with self-lubricating bearing 12, from profit
Plain besring 12 is set in outside support column 3, is placed on the inside of the both ends of rotary cylinder 4, and 4 both ends of rotary cylinder are additionally provided with stop collar 13, is limited
Position ring 13 is connect by bolt with the end of rotary cylinder 4, and connector 5 is in barrel-shaped structure, and end opening thereafter, and 5 sets of connector
It is located at outside the front end of support column 3, and the rear end of connector 5 is fixedly connected with the front end of rotary cylinder 4, spring is equipped in connector 5
14, the both ends of spring 14 are connect with the inside of the front end of support column 3 and connector 5 respectively, the cylindrical structure of driving member 6,
And the rear end of rotary cylinder 4 is arranged in driving member 6, is equipped with external gear 15 on the outside of the rear end of driving member 6；The setting of base 1 is adjusting master
The rear end of body, and 3 rear end of support column for adjusting main body is protruded into base 1, base 1 is equipped with driving motor 16 and adjusts component,
The motor shaft of driving motor 16 is arranged forward, and the front end of the motor shaft is equipped with driving gear 17, drives gear 17 and external gear
15 are meshed；The rear end of drill bit 2 is equipped with mounting base 18, the cylindrical structure of mounting base 18, and is fixed on the front end of driving member 6.
The present invention use interior outer magnetic ring mutual magneticaction, when sliding part in support column along the length direction of support column
When being displaced, rotary cylinder of the outer magnetic ring meeting sync pulling with internal magnetic ring outside rotary cylinder is moved, and is passed through compared to existing
The dynamics of hand-held control electric drill regulates and controls the mode of punching depth, and the present invention comes outside indirect adjust by adjusting internal sliding part
The rotary cylinder in portion controls the punching depth of electric drill while rotary cylinder rotate driving electric drill, and design feature is prominent, punching essence
Degree and quality are all significantly improved, wide market；Using adjusting component come the displacement of adjustment slide, and cooperates and set
Set the spring in support column between connector, on the one hand, adjust component by alloting rotation, accurately control the position of adjustable column
It moves, and then realizes unique distance of accuracy controlling sliding part, on the other hand, due to using spring, slided when adjustable column pushes
When part is displaced to the front end in support column, spring is in compressed state, after the completion of punching, unclamps regulation handle, spring
Under the action of natural resiliency restoring force, sliding part return is pushed, so that the operation for the person of being convenient to use, time saving and energy saving
In the present embodiment, adjusting component includes regulation handle 19 and adjustable column 20, and the front end of regulation handle 19 is by turning
Outside base 1, adjustable column 20 is arranged in the inner cavity of support column 3 21 rotatable support of axis, is placed in the rear end of sliding part 7, adjusts
The front end of segmented column 20 and the end cap 10 of 7 rear end of sliding part are rotatablely connected, and the side of adjustable column 20 is equipped with one and adjusts protrusion 22, machine
Rectangular opening 23 is provided on 1 side wall of seat with the corresponding position for adjusting protrusion 22, the rear end of regulation handle 19 is equipped with arc adjustment hole
24, the position of arc adjustment hole 24 is corresponding with the position for adjusting protrusion 22, and will adjust 22 limit of protrusion wherein, and arc is adjusted
The distance of the one end in hole 24 to shaft 21 is less than the other end of the arc adjustment hole 24 to the distance of shaft 21.
In the present embodiment, the structure in the form of annular discs of end cap 10 has a diameter larger than the diameter of sliding part 7, and no more than wear-resisting
The outer diameter of circle 9.
In the present embodiment, end cap 10 is bonded in the end of sliding part 7, and the center line of its center line and sliding part 7 is total
Line.
In the present embodiment, the internal diameter of stop collar 13 is less than the outer diameter of self-lubricating bearing 12, and outer diameter is greater than rotary cylinder 4
Internal diameter, and it is not more than the internal diameter of connector 5.
It in the present embodiment, further include shield, shielding cover is located at outside driving motor 16 and driving gear 17.
Embodiment 2
A kind of finishing hand-adjusting type electric drill provided in this embodiment, structure is as shown, including base 1, adjusting main body
With drill bit 2；Adjusting main body includes support column 3, rotary cylinder 4, connector 5 and driving member 6, the cylindrical structure of support column 3, in
Middle side part is equipped with cylindric through-hole, and sliding part 7 is fitted in the cylindric through-hole, the cylindrical structure of sliding part 7, and
The middle part outer sheath of sliding part 7 is equipped with internal magnetic ring 8, and the both ends outer sheath of sliding part 7 is equipped with wear-resisting ring 9, and the both ends of sliding part 7 are also
Equipped with end cap 10, the cylindrical structure of rotary cylinder 4, and be set in outside support column 3, the inside middle portion of rotary cylinder 4 is equipped with outer magnetic ring
11, the cylindrical structure of outer magnetic ring 11, and be set in outside support column 3, the both ends of outer magnetic ring 11 are equipped with self-lubricating bearing 12, from profit
Plain besring 12 is set in outside support column 3, is placed on the inside of the both ends of rotary cylinder 4, and 4 both ends of rotary cylinder are additionally provided with stop collar 13, is limited
Position ring 13 is connect by bolt with the end of rotary cylinder 4, and connector 5 is in barrel-shaped structure, and end opening thereafter, and 5 sets of connector
It is located at outside the front end of support column 3, and the rear end of connector 5 is fixedly connected with the front end of rotary cylinder 4, spring is equipped in connector 5
14, the both ends of spring 14 are connect with the inside of the front end of support column 3 and connector 5 respectively, the cylindrical structure of driving member 6,
And the rear end of rotary cylinder 4 is arranged in driving member 6, is equipped with external gear 15 on the outside of the rear end of driving member 6；The setting of base 1 is adjusting master
The rear end of body, and 3 rear end of support column for adjusting main body is protruded into base 1, base 1 is equipped with driving motor 16 and adjusts component,
The motor shaft of driving motor 16 is arranged forward, and the front end of the motor shaft is equipped with driving gear 17, drives gear 17 and external gear
15 are meshed；The rear end of drill bit 2 is equipped with mounting base 18, the cylindrical structure of mounting base 18, and is fixed on the front end of driving member 6.
The present invention use interior outer magnetic ring mutual magneticaction, when sliding part in support column along the length direction of support column
When being displaced, rotary cylinder of the outer magnetic ring meeting sync pulling with internal magnetic ring outside rotary cylinder is moved, and is passed through compared to existing
The dynamics of hand-held control electric drill regulates and controls the mode of punching depth, and the present invention comes outside indirect adjust by adjusting internal sliding part
The rotary cylinder in portion controls the punching depth of electric drill while rotary cylinder rotate driving electric drill, and design feature is prominent, punching essence
Degree and quality are all significantly improved, wide market；Using adjusting component come the displacement of adjustment slide, and cooperates and set
Set the spring in support column between connector, on the one hand, adjust component by alloting rotation, accurately control the position of adjustable column
It moves, and then realizes unique distance of accuracy controlling sliding part, on the other hand, due to using spring, slided when adjustable column pushes
When part is displaced to the front end in support column, spring is in compressed state, after the completion of punching, unclamps regulation handle, spring
Under the action of natural resiliency restoring force, sliding part return is pushed, so that the operation for the person of being convenient to use, time saving and energy saving
In the present embodiment, adjusting component includes regulation handle 19 and adjustable column 20, and the front end of regulation handle 19 is by turning
Outside base 1, adjustable column 20 is arranged in the inner cavity of support column 3 21 rotatable support of axis, is placed in the rear end of sliding part 7, adjusts
The front end of segmented column 20 and the end cap 10 of 7 rear end of sliding part are rotatablely connected, and the side of adjustable column 20 is equipped with one and adjusts protrusion 22, machine
Rectangular opening 23 is provided on 1 side wall of seat with the corresponding position for adjusting protrusion 22, the rear end of regulation handle 19 is equipped with arc adjustment hole
24, the position of arc adjustment hole 24 is corresponding with the position for adjusting protrusion 22, and will adjust 22 limit of protrusion wherein, and arc is adjusted
The distance of the one end in hole 24 to shaft 21 is less than the other end of the arc adjustment hole 24 to the distance of shaft 21.
In the present embodiment, further include adjust alarm set, adjust alarm set include touch sensor, processor,
Controller and alarm, the front end of support column 3 is arranged in touch sensor, and touch sensor is connect with processor, place
Reason device is connect with controller, and controller is connect with alarm, and alarm includes flashing light, and flashing light is arranged outside base 1.By using
Alarm set is adjusted, when adjustable column pushes sliding part to be displaced to the front end in support column, adjusts the flashing light meeting of alarm set
It shines, plays the role of reminding operator.
In the present embodiment, the structure in the form of annular discs of end cap 10 has a diameter larger than the diameter of sliding part 7, and no more than wear-resisting
The outer diameter of circle 9.
In the present embodiment, end cap 10 is bonded in the end of sliding part 7, and the center line of its center line and sliding part 7 is total
Line.
In the present embodiment, the internal diameter of stop collar 13 is less than the outer diameter of self-lubricating bearing 12, and outer diameter is greater than rotary cylinder 4
Internal diameter, and it is not more than the internal diameter of connector 5.
It in the present embodiment, further include shield, shielding cover is located at outside driving motor 16 and driving gear 17.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (9)
1. a kind of finishing hand-adjusting type electric drill, it is characterised in that：Including base (1), adjust main body and drill bit (2)；
The adjusting main body includes support column (3), rotary cylinder (4), connector (5) and driving member (6), and the support column (3) is in
Cylindrical-shaped structure, middle inside is equipped with cylindric through-hole, and sliding part (7) are fitted in the cylindric through-hole, described
Sliding part (7) cylindrical structure, and the middle part outer sheath of sliding part (7) is equipped with internal magnetic ring (8), outside the both ends of sliding part (7)
Side is arranged with wear-resisting ring (9), and the both ends of the sliding part (7) are additionally provided with end cap (10), the cylindrical knot of the rotary cylinder (4)
Structure, and it is set in support column (3) outside, the inside middle portion of the rotary cylinder (4) is equipped with outer magnetic ring (11), and the outer magnetic ring (11) is in
The both ends of cylinder-like structure, and be set in support column (3) outside, the outer magnetic ring (11) are equipped with self-lubricating bearing (12), it is described from
Lubrication bearing (12) is set in support column (3) outside, is placed on the inside of the both ends of rotary cylinder (4), rotary cylinder (4) both ends are also set
Restraining position ring block (13), the stop collar (13) are connect by bolt with the end of rotary cylinder (4), and the connector (5) is in drum
Shape structure, and end opening thereafter, the connector (5) are set in outside the front end of support column (3), and the rear end of connector (5) with
The front end of rotary cylinder (4) is fixedly connected, and is equipped with spring (14) in the connector (5), the both ends of the spring (14) respectively with
The front end of support column (3) and the inside connection of connector (5), the cylindrical structure of the driving member (6), and driving member (6)
Rear end in rotary cylinder (4) is set, is equipped with external gear (15) on the outside of the rear end of the driving member (6)；
The rear end for adjusting main body is arranged in the base (1), and support column (3) rear end for adjusting main body is protruded into base (1), institute
Base (1) is stated equipped with driving motor (16) and adjusts component, the motor shaft of the driving motor (16) is arranged forward, and the electricity
The front end of arbor is equipped with driving gear (17), and the driving gear (17) is meshed with external gear (15)；
The rear end of the drill bit (2) is equipped with mounting base (18), the cylindrical structure of the mounting base (18), and is fixed on driving member
(6) front end.
2. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：The adjusting component includes adjusting
Handle (19) and adjustable column (20) are saved, the front end of the regulation handle (19) is by shaft (21) rotatable support in base (1)
Outside, the adjustable column (20) is arranged in the inner cavity of support column (3), is placed in the rear end of sliding part (7), the adjustable column (20)
Front end and the end cap (10) of sliding part (7) rear end be rotatablely connected, the side of adjustable column (20) is equipped with one and adjusts raised (22),
It is provided with rectangular opening (23) on base (1) side wall with the corresponding position for adjusting raised (22), the regulation handle (19)
Rear end is equipped with arc adjustment hole (24), and the position of the arc adjustment hole (24) is corresponding with the raised position of (22) is adjusted, and
Raised (22) limit will be adjusted wherein, the distance of one end to the shaft (21) of the arc adjustment hole (24) is adjusted less than the arc
The other end in hole (24) to shaft (21) distance.
3. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：It further include adjusting to remind dress
It sets, the adjusting alarm set includes touch sensor, processor, controller and alarm, and the touch sensor is set
The front end in support column (3) is set, and touch sensor is connect with processor, the processor is connect with controller, the control
Device processed is connect with alarm.
4. a kind of finishing hand-adjusting type electric drill according to claim 3, it is characterised in that：The alarm includes dodging
Lamp, flashing light setting base (1) outside.
5. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：The end cap (10) is in disk
Shape structure has a diameter larger than the diameter of sliding part (7), and is not more than the outer diameter of wear-resisting ring (9).
6. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：The end cap (10) is bonded in
The end of sliding part (7), and the centerline collineation of its center line and sliding part (7).
7. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：The stop collar (13) it is interior
Diameter is less than the outer diameter of self-lubricating bearing (12), and outer diameter is greater than the internal diameter of rotary cylinder (4), and is not more than the internal diameter of connector (5).
8. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：It further include shield.
9. a kind of finishing hand-adjusting type electric drill according to claim 1, it is characterised in that：The shielding cover is located at drive
Dynamic motor (16) and driving gear (17) are outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537718.2A CN108817468A (en) | 2018-05-30 | 2018-05-30 | A kind of finishing hand-adjusting type electric drill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537718.2A CN108817468A (en) | 2018-05-30 | 2018-05-30 | A kind of finishing hand-adjusting type electric drill |
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|---|---|
| CN108817468A true CN108817468A (en) | 2018-11-16 |
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| CN201810537718.2A Pending CN108817468A (en) | 2018-05-30 | 2018-05-30 | A kind of finishing hand-adjusting type electric drill |
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| CN102658385A (en) * | 2012-05-22 | 2012-09-12 | 烟台泰利汽车模具制造有限公司 | Hand-held miniature drill for side surface hole of guide plate mounting surface |
| CN203409305U (en) * | 2013-06-29 | 2014-01-29 | 昆明钢铁集团有限责任公司 | High-efficiency pipe pressure tapping machine |
| CN203740720U (en) * | 2014-01-26 | 2014-07-30 | 河南中烟工业有限责任公司 | Manual adjusting mechanism of cigarette bobbin paper photoelectric detector |
| EP3197025A1 (en) * | 2014-11-25 | 2017-07-26 | Black & Decker Inc. | Brushless motor for a power tool |
| CN205673642U (en) * | 2016-06-17 | 2016-11-09 | 赵于铧 | Pressurized driller for pipeline |
| CN205888148U (en) * | 2016-06-22 | 2017-01-18 | 浙江绿健胶囊有限公司 | Food processing machinery's puncher |
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Application publication date: 20181116 |
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