CN109249061A - Drilling device is used in a kind of installation of air-conditioning - Google Patents
Drilling device is used in a kind of installation of air-conditioning Download PDFInfo
- Publication number
- CN109249061A CN109249061A CN201811189997.4A CN201811189997A CN109249061A CN 109249061 A CN109249061 A CN 109249061A CN 201811189997 A CN201811189997 A CN 201811189997A CN 109249061 A CN109249061 A CN 109249061A
- Authority
- CN
- China
- Prior art keywords
- fixing pipe
- limiting tube
- nut
- bottom end
- threaded block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- 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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0071—Devices for removing chips dust collectors for hand tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention relates to the technical fields of buildings decoration engineering can limit drill bit more particularly to a kind of air-conditioning installation drilling device, improve drilling effect；The dust and clast generated in boring procedure can be intercepted simultaneously, enhance the protecting effect to staff's health, improve usability；And drill bit can be blocked, to improve the protecting effect to it；Drilling depth can be controlled simultaneously, improve use reliability；Including handle casing, control key, driver, power supply line, fixing seat and drill bit, drill bit is arranged in fixing seat；It further include fixing pipe and position-limiting tube, fixing pipe is arranged in handle casing left end；Further include upper connector and lower connector, is respectively arranged with upper port and lower port on fixing pipe top and bottom end；It further include locking cap, locking cap is arranged in position-limiting tube left end；It further include upper limit part and lower limit part, upper limit part and lower limit part are separately positioned on upper port and lower port.
Description
Technical field
The present invention relates to the technical fields of buildings decoration engineering, set more particularly to a kind of installation drilling of air-conditioning
It is standby.
Background technique
It is well known that air-conditioning installation is during one kind is used for buildings decoration, to air-conditioning mounting hole with drilling device
Drilling operation is carried out, so as to the subsequent auxiliary device installed, is obtained in buildings decoration engineering field extensive
It uses；Existing air-conditioning installation drilling device includes handle casing, control key, driver, power supply line, fixing seat and drill bit,
Control key, driver and power supply line are arranged on handle casing, and control key is electrically connected with driver, power supply line and control key
It is electrically connected with driver, drive shaft is provided on the left part output end of driver, fixing seat is arranged on the driving shaft, drill bit setting
In fixing seat；Power supply line need to be only electrically connected when existing air-conditioning installation is used with drilling device with city, hold handle later
Shell and the region for needing to drill by drill bit alignment, pressing control key later turns the drill bit in driver drives drive shaft
It is dynamic, and push housing handle to make drill bit insertion metope during rotation and carry out drilling operation；Existing air-conditioning installation
It is found in drilling device use, boring procedure fully relies on to be controlled manually, and drill bit is caused easily to occur in boring procedure
Inclination, to influence drilling effect；And a large amount of dust and clast can be generated in boring procedure, staff's health is influenced, makes
It is limited with property；And drill bit is exposed to the external world, is damaged vulnerable to foreign impacts, protecting effect is limited；And it cannot be to drilling depth
It is controlled, it is limited so as to cause its use reliability.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, to limit drill bit, improve drilling effect；It simultaneously can
The dust and clast that generate in boring procedure are intercepted, the protecting effect to staff's health is enhanced, improves usability；
And drill bit can be blocked, to improve the protecting effect to it；Drilling depth can be controlled simultaneously, improving use can
By the air-conditioning installation drilling device of property.
A kind of air-conditioning installation drilling device, including handle casing, control key, driver, power supply line, fixation of the invention
Seat and drill bit, control key, driver and power supply line are arranged on handle casing, and control key is electrically connected with driver, power supply
Line is electrically connected with control key and driver, and drive shaft is provided on the left part output end of driver, and fixing seat is arranged in drive shaft
On, drill bit is arranged in fixing seat；It further include fixing pipe and position-limiting tube, the fixing pipe setting is in handle casing left end, limit
Pipe right end is inserted into inside fixing pipe, and position-limiting tube is located on the outside of drill bit；It further include upper connector and lower connector, the fixation
It is respectively arranged with upper port and lower port on tube top end and bottom end, upper connector and lower connector are located at upper port and lower logical
It on mouth, and connect on the right side of upper connector bottom end and position-limiting tube top, is connect on the right side of lower connector top and position-limiting tube bottom end；Also wrap
Locking cap is included, the locking cap is arranged in position-limiting tube left end；It further include upper limit part and lower limit part, the position-limiting tube top is set
Be equipped with graduated structure, and fixing pipe left end is located at " 0 " scale, the upper connector and lower connector left end respectively with upper port
Left side wall contacts in interior left side wall and lower port, and upper limit part and lower limit part are separately positioned on upper port and lower port.
A kind of air-conditioning installation drilling device of the invention, the position-limiting tube right end lateral wall and fixing pipe left end inner sidewall
Contact.
A kind of air-conditioning installation drilling device of the invention, the upper connector includes upper threaded block and top nut, upper spiral shell
It is connect on the right side of line block bottom end and position-limiting tube top, top nut is screwed on threaded block, and top nut bottom end and fixing pipe top
Contact.
A kind of air-conditioning installation drilling device of the invention, the lower connector includes lower threaded block and lower nut, lower spiral shell
It is connect on the right side of line block top and position-limiting tube bottom end, lower nut is screwed on lower threaded block, and lower nut top and fixing pipe bottom end
Contact.
A kind of air-conditioning installation drilling device of the invention, the locking cap include baffle and fixed ring, fixed ring suit
On the outside of position-limiting tube left end, and fixed ring inner sidewall is contacted with position-limiting tube lateral wall, and the baffle plate setting is in fixed ring left end
On side wall.
A kind of air-conditioning installation drilling device of the invention, the upper limit part includes the first limited block, the first threaded block
With the first nut, the first threaded block is located on upper port, and first nut is screwed on the first threaded block, and the first nut bottom
End and fixing pipe tip contact, first limited block are arranged in the first threaded block bottom end, and the first limited block top and fixation
The contact of pipe inner roof wall.
A kind of air-conditioning installation drilling device of the invention, the lower limit part includes the second limited block, the second threaded block
With the second nut, the second threaded block is located on lower port, and second nut is screwed on the second threaded block, and the second nut top
End is contacted with fixing pipe bottom end, and second limited block is arranged on the second threaded block top, and the second limited block bottom end and fixation
The contact of pipe inner bottom wall.
A kind of air-conditioning installation drilling device of the invention, further includes two groups of connection rings and connecting rope, two groups of connections
On ring is separately positioned on the left of fixed ring center bottom and fixing pipe bottom end, connecting rope both ends are separately positioned on two groups of connection rings
On.
Compared with prior art the invention has the benefit that its can by contacting position-limiting tube left end with metope always,
To guarantee that drill bit can drill perpendicular to metope, to limit to drill bit, improve drilling effect；Limit can be passed through simultaneously
Position pipe intercepts the dust and clast that generate in boring procedure, enhances the protecting effect to staff's health, and raising makes
The property used；And drill bit can be blocked by locking cap, to improve the protecting effect to it；It simultaneously can be by being limited to first
Part and the second locating part position are adjusted, and be located at fixing pipe left end can at the number of division that need drilling depth, so as to right
Drilling depth is controlled, and use reliability is improved.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the portion the A partial enlarged view of Fig. 1；
It is attached marked in the figure: 1, handle casing；2, control key；3, driver；4, power supply line；5, fixing seat；6, drill bit；7, solid
Fixed pipe；8, position-limiting tube；9, lower connector；10, upper limit part；11, upper threaded block；12, lower threaded block；13, lower nut；14, it keeps off
Plate；15, fixed ring；16, the first threaded block；17, the first nut；18, the second limited block；19, connection ring；20, connecting rope.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As depicted in figs. 1 and 2, a kind of air-conditioning installation drilling device of the invention, including handle casing 1, control key 2,
Driver 3, power supply line 4, fixing seat 5 and drill bit 6, control key 2, driver 3 and power supply line 4 are arranged on handle casing 1, and
Control key 2 is electrically connected with driver 3, and power supply line 4 is electrically connected with control key 2 and driver 3, on the left part output end of driver 3
It is provided with drive shaft, fixing seat 5 is arranged on the driving shaft, and drill bit 6 is arranged in fixing seat 5；It further include fixing pipe 7 and position-limiting tube
8, fixing pipe 7 is arranged in 1 left end of handle casing, and 8 right end of position-limiting tube is inserted into inside fixing pipe 7, and position-limiting tube 8 is located at drill bit 6
Outside；Further include upper connector and lower connector 9, is respectively arranged with upper port and lower port on 7 top of fixing pipe and bottom end, on
Connector and lower connector 9 are located on upper port and lower port, and are connected on the right side of upper connector bottom end and 8 top of position-limiting tube
It connects, is connect on the right side of lower 9 top of connector and 8 bottom end of position-limiting tube；It further include locking cap, locking cap is arranged in 8 left end of position-limiting tube；Also
Including upper limit part 10 and lower limit part, 8 top of position-limiting tube is provided with graduated structure, and 7 left end of fixing pipe is located at " 0 " scale
Place, upper connector and lower 9 left end of connector are contacted with left side wall in left side wall in upper port and lower port respectively, upper limit part 10
It is separately positioned on upper port and lower port with lower limit part；It can by contacting position-limiting tube left end with metope always, thus
Guarantee that drill bit can drill perpendicular to metope, to limit to drill bit, improves drilling effect；Position-limiting tube can be passed through simultaneously
The dust and clast that generate in boring procedure are intercepted, the protecting effect to staff's health is enhanced, improves usability；
And drill bit can be blocked by locking cap, to improve the protecting effect to it；Simultaneously can by the first locating part and
Second locating part position is adjusted, and be located at fixing pipe left end can at the number of division that need drilling depth, so as to drilling
Depth is controlled, and use reliability is improved.
A kind of air-conditioning installation drilling device of the invention, 8 right end lateral wall of position-limiting tube connect with 7 left end inner sidewall of fixing pipe
Touching；It can guarantee the stability between fixing pipe and position-limiting tube.
A kind of air-conditioning installation drilling device of the invention, upper connector includes upper threaded block 11 and top nut, upper screw thread
It is connect on the right side of 11 bottom end of block and 8 top of position-limiting tube, top nut is screwed on threaded block 11, and top nut bottom end and fixing pipe 7
Tip contact；It can enhance the connection effect between fixing pipe and position-limiting tube, while by rotation top nut to fixing pipe and limit
Tightness between pipe is adjusted, and improves usability.
A kind of air-conditioning installation drilling device of the invention, lower connector 9 includes lower threaded block 12 and lower nut 13, lower spiral shell
Connect on the right side of 12 top of line block and 8 bottom end of position-limiting tube, lower nut 13 is screwed on lower threaded block 12, and 13 top of lower nut with consolidate
Determine the contact of 7 bottom end of pipe；It can enhance the connection effect between fixing pipe and position-limiting tube, at the same by rotation lower nut to fixing pipe with
Tightness between position-limiting tube is adjusted, and improves usability.
A kind of air-conditioning installation drilling device of the invention, locking cap include baffle 14 and fixed ring 15, and 15 sets of fixed ring
On the outside of 8 left end of position-limiting tube, and 15 inner sidewall of fixed ring is contacted with 8 lateral wall of position-limiting tube, and baffle 14 is arranged in fixed ring 15
On the inner sidewall of left end；It can auxiliary stopper pipe drill bit is blocked, improve to its protecting effect.
A kind of air-conditioning installation drilling device of the invention, upper limit part 10 includes the first limited block, the first threaded block 16
With the first nut 17, the first threaded block 16 is located on upper port, and the first nut 17 is screwed on the first threaded block 16, and the first spiral shell
Female 17 bottom ends and 7 tip contact of fixing pipe, the setting of the first limited block in 16 bottom end of the first threaded block, and the first limited block top with
The contact of 7 inner roof wall of fixing pipe；It can be adjusted by the position to the first threaded block, to be in contact with it to upper fixing element
When the position that is located on position-limiting tube of fixing pipe left end controlled, improve usability.
A kind of air-conditioning installation drilling device of the invention, lower limit part include the second limited block 18, the second threaded block and
Second nut, the second threaded block are located on lower port, and the second nut is screwed on the second threaded block, and the second nut top and solid
Determine the contact of 7 bottom end of pipe, the second limited block 18 is arranged on the second threaded block top, and in 18 bottom end of the second limited block and fixing pipe 7
Bottom wall contact；It can be adjusted by the position to the second threaded block, so as to lower fixing piece when being in contact with it fixing pipe
The position that left end is located on position-limiting tube is controlled, and usability is improved.
A kind of air-conditioning installation drilling device of the invention, further includes two groups of connection rings 19 and connecting rope 20, two groups of connections
On ring 19 is separately positioned on the left of 15 center bottom of fixed ring and 7 bottom end of fixing pipe, 20 both ends of connecting rope are separately positioned on two groups
In connection ring 19；It can be attached locking cap, avoid losing, and improve usability.
Power supply line, need to only be electrically connected, later by a kind of air-conditioning installation drilling device of the invention with city when in use
It back-outs the first nut and the second nut and position-limiting tube is moved, until fixing pipe left end is made to be located at the quarter for needing drilling depth
At degree, moving the first locating part and the second locating part later contacts it with the first fixing piece and the second fixing piece respectively, so
The first locating part and the second locating part are fastened in the first nut of rotation and the second nut afterwards, hold handle casing simultaneously later
Fixed ring is removed, the region for then needing to drill by drill bit alignment, while contact position-limiting tube left end with metope, control is pressed later
Key processed rotates the drill bit in driver drives drive shaft, and pushes housing handle that drill bit is made to be inserted into wall during rotation
Face simultaneously carries out drilling operation；It, can be by contacting position-limiting tube left end with metope always, to guarantee drill bit in the above process
It can drill perpendicular to metope, to limit to drill bit, improve drilling effect；It simultaneously can be by position-limiting tube to drilling
The dust and clast generated in journey is intercepted, and the protecting effect to staff's health is enhanced, and improves usability；And it can pass through
Locking cap blocks drill bit, to improve the protecting effect to it；It simultaneously can be by being limited to the first locating part and second
Part position is adjusted, and makes to improve use reliability so as to control drilling depth.
A kind of air-conditioning installation drilling device of the invention, mounting means, connection type or set-up mode are common
Mechanical system is implemented as long as can reach the equal of its advantages；And the model of above-mentioned each component is unlimited, as long as energy
Enough reach the equal of its advantages to be implemented, and driver is existing design and technology, this case does not have it any skill
Art is improved, and industry technical staff is after the specific structure for learning this case it can be seen that it is used.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of air-conditioning installation drilling device, including handle casing (1), control key (2), driver (3), power supply of the invention
Line (4), fixing seat (5) and drill bit (6), control key (2), driver (3) and power supply line (4) are arranged on handle casing (1),
And control key (2) is electrically connected with driver (3), power supply line (4) is electrically connected with control key (2) and driver (3), driver (3)
Left part output end on be provided with drive shaft, fixing seat (5) is arranged on the driving shaft, and drill bit (6) is arranged on fixing seat (5)；
It is characterized in that, further including fixing pipe (7) and position-limiting tube (8), fixing pipe (7) setting is in handle casing (1) left end, limit
It is internal that pipe (8) right end is inserted into fixing pipe (7), and position-limiting tube (8) is located on the outside of drill bit (6)；It further include upper connector and lower company
Fitting (9) is respectively arranged with upper port and lower port, upper connector and lower connector on fixing pipe (7) top and bottom end
(9) it is located on upper port and lower port, and is connect on the right side of upper connector bottom end and position-limiting tube (8) top, lower connector (9)
It is connect on the right side of top and position-limiting tube (8) bottom end；It further include locking cap, the locking cap is arranged in position-limiting tube (8) left end；Further include
Upper limit part (10) and lower limit part, position-limiting tube (8) top is provided with graduated structure, and fixing pipe (7) left end is located at " 0 "
At scale, the upper connector and lower connector (9) left end are contacted with left side wall in left side wall in upper port and lower port respectively,
Upper limit part (10) and lower limit part are separately positioned on upper port and lower port.
2. a kind of air-conditioning installation drilling device as described in claim 1, which is characterized in that outside position-limiting tube (8) right end
Side wall is contacted with fixing pipe (7) left end inner sidewall.
3. a kind of air-conditioning installation drilling device as claimed in claim 2, which is characterized in that the upper connector includes upper spiral shell
It is connect on the right side of line block (11) and top nut, upper threaded block (11) bottom end and position-limiting tube (8) top, top nut is screwed on threaded block
(11) on, and top nut bottom end and fixing pipe (7) tip contact.
4. a kind of air-conditioning installation drilling device as claimed in claim 3, which is characterized in that the lower connector (9) includes
It is connect on the right side of lower threaded block (12) and lower nut (13), lower threaded block (12) top and position-limiting tube (8) bottom end, lower nut (13) spiral shell
On lower threaded block (12), and lower nut (13) top is contacted with fixing pipe (7) bottom end.
5. a kind of air-conditioning installation drilling device as claimed in claim 4, which is characterized in that the locking cap includes baffle
(14) and fixed ring (15), fixed ring (15) are sleeved on position-limiting tube (8) left end outside, and fixed ring (15) inner sidewall and position-limiting tube
(8) lateral wall contacts, and the baffle (14) is arranged on the inner sidewall of fixed ring (15) left end.
6. a kind of air-conditioning installation drilling device as claimed in claim 5, which is characterized in that the upper limit part (10) includes
First limited block, the first threaded block (16) and the first nut (17), the first threaded block (16) are located on upper port, first spiral shell
Female (17) are screwed on the first threaded block (16), and the first nut (17) bottom end and fixing pipe (7) tip contact, first limit
Position block is arranged in the first threaded block (16) bottom end, and the first limited block top is contacted with fixing pipe (7) inner roof wall.
7. a kind of air-conditioning installation drilling device as claimed in claim 6, which is characterized in that the lower limit part includes second
Limited block (18), the second threaded block and the second nut, the second threaded block are located on lower port, and second nut is screwed on second
On threaded block, and the second nut top is contacted with fixing pipe (7) bottom end, and second limited block (18) is arranged in the second threaded block
Top, and the second limited block (18) bottom end is contacted with fixing pipe (7) inner bottom wall.
8. a kind of air-conditioning installation drilling device as claimed in claim 7, which is characterized in that further include two groups of connection rings (19)
With connecting rope (20), two groups of connection rings (19) are separately positioned on fixed ring (15) center bottom and fixing pipe (7) bottom end is left
On side, connecting rope (20) both ends are separately positioned on two groups of connection rings (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189997.4A CN109249061A (en) | 2018-10-12 | 2018-10-12 | Drilling device is used in a kind of installation of air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189997.4A CN109249061A (en) | 2018-10-12 | 2018-10-12 | Drilling device is used in a kind of installation of air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109249061A true CN109249061A (en) | 2019-01-22 |
Family
ID=65045238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811189997.4A Withdrawn CN109249061A (en) | 2018-10-12 | 2018-10-12 | Drilling device is used in a kind of installation of air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109249061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11419466B2 (en) | 2020-03-25 | 2022-08-23 | Milwaukee Electric Tool Corporation | Dust collector assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB571794A (en) * | 1943-12-22 | 1945-09-10 | Vickers Armstrongs Ltd | Improvements in or relating to guards for drills and other similar tools |
| GB9801129D0 (en) * | 1998-01-21 | 1998-03-18 | Linford Burman David P | Apparatus for guiding a power drill |
| KR20020090703A (en) * | 2001-05-29 | 2002-12-05 | 현대자동차주식회사 | Jig for drill |
| EP1671752A1 (en) * | 2004-12-14 | 2006-06-21 | LAI, Mariano | Drill device for controlling the angle of the drill bit during drilling |
| US20060147284A1 (en) * | 2004-12-30 | 2006-07-06 | Kim Jong O | Portable drilling machine |
| CN200991778Y (en) * | 2007-01-13 | 2007-12-19 | 中国科学院安徽光学精密机械研究所 | Pistol driller control holder |
| JP2008023622A (en) * | 2006-07-19 | 2008-02-07 | Yoshitake Miyaguchi | Drill attachment |
| CN103658744A (en) * | 2012-09-14 | 2014-03-26 | 珠海格力电器股份有限公司 | Drilling positioning device |
| CN204430346U (en) * | 2015-02-02 | 2015-07-01 | 国家电网公司 | A kind of location electric drill rifle |
| KR101542952B1 (en) * | 2014-07-18 | 2015-08-11 | 주식회사 해강스틸 | The Jig for Drilling holes in the shape steel |
| CN205356346U (en) * | 2015-12-18 | 2016-06-29 | 河南首旗实业有限公司 | Fiber end face detector |
| CN207139953U (en) * | 2017-08-11 | 2018-03-27 | 山东英才学院 | A kind of durable building material punching component |
| CN209272548U (en) * | 2018-10-12 | 2019-08-20 | 盐城恒久市政工程有限公司 | Drilling device is used in a kind of installation of air-conditioning |
-
2018
- 2018-10-12 CN CN201811189997.4A patent/CN109249061A/en not_active Withdrawn
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB571794A (en) * | 1943-12-22 | 1945-09-10 | Vickers Armstrongs Ltd | Improvements in or relating to guards for drills and other similar tools |
| GB9801129D0 (en) * | 1998-01-21 | 1998-03-18 | Linford Burman David P | Apparatus for guiding a power drill |
| KR20020090703A (en) * | 2001-05-29 | 2002-12-05 | 현대자동차주식회사 | Jig for drill |
| EP1671752A1 (en) * | 2004-12-14 | 2006-06-21 | LAI, Mariano | Drill device for controlling the angle of the drill bit during drilling |
| US20060147284A1 (en) * | 2004-12-30 | 2006-07-06 | Kim Jong O | Portable drilling machine |
| JP2008023622A (en) * | 2006-07-19 | 2008-02-07 | Yoshitake Miyaguchi | Drill attachment |
| CN200991778Y (en) * | 2007-01-13 | 2007-12-19 | 中国科学院安徽光学精密机械研究所 | Pistol driller control holder |
| CN103658744A (en) * | 2012-09-14 | 2014-03-26 | 珠海格力电器股份有限公司 | Drilling positioning device |
| KR101542952B1 (en) * | 2014-07-18 | 2015-08-11 | 주식회사 해강스틸 | The Jig for Drilling holes in the shape steel |
| CN204430346U (en) * | 2015-02-02 | 2015-07-01 | 国家电网公司 | A kind of location electric drill rifle |
| CN205356346U (en) * | 2015-12-18 | 2016-06-29 | 河南首旗实业有限公司 | Fiber end face detector |
| CN207139953U (en) * | 2017-08-11 | 2018-03-27 | 山东英才学院 | A kind of durable building material punching component |
| CN209272548U (en) * | 2018-10-12 | 2019-08-20 | 盐城恒久市政工程有限公司 | Drilling device is used in a kind of installation of air-conditioning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11419466B2 (en) | 2020-03-25 | 2022-08-23 | Milwaukee Electric Tool Corporation | Dust collector assembly |
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Application publication date: 20190122 |
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| WW01 | Invention patent application withdrawn after publication |