CN105436565A - Electric hand drill - Google Patents
Electric hand drill Download PDFInfo
- Publication number
- CN105436565A CN105436565A CN201510986807.1A CN201510986807A CN105436565A CN 105436565 A CN105436565 A CN 105436565A CN 201510986807 A CN201510986807 A CN 201510986807A CN 105436565 A CN105436565 A CN 105436565A
- Authority
- CN
- China
- Prior art keywords
- magnet
- drill
- slide bar
- electric drill
- electric
- 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.)
- Granted
Links
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
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
-
- 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
- B23B45/006—Keys for operating the chucks
-
- 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
- B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to an electric hand drill comprising an electric drill body and a drill chuck used for mounting a drill bit, wherein a circle of annular groove is formed in the drill chuck, a slide bar is arranged in the annular groove, the end part of one end of the slide bar stretches into a key hole of the drill chuck, the other end of the slide bar stretches into the electric drill body, and a first reset spring is arranged between the other end of the slide bar and the inner wall of the electric drill body; a first toothed plate, a gear and a second toothed plate are arranged below the slide bar; a first magnet is arranged on the second toothed plate, a second magnet is arranged below the second toothed plate, the magnetic poles of opposite sides of the first magnet and the second magnet are the same, a magnetic slide way is arranged below the second magnet, a gasket is arranged in the magnetic slide way in a sliding way, a second reset spring is arranged below the gasket, an electric drill switch is arranged at one side of the gasket, an electric drill button is arranged at the other side of the gasket, two lugs are arranged on the gasket, and two grooves matched with the lugs are formed in the electric drill button. After the structure is adopted, no danger can occur even if an operator changes the drill bit without turning off power of the electric drill.
Description
Technical field
The invention belongs to field of power tools, be specifically related to a kind of electric drill.
Background technology
Electric drill is the electric tool that people the most often use, and it has conveniently, inexpensive, the advantage such as be easy to carry, deeply by the favorable comment of workman in five metals, decoration industry.But operator often needs more bit change when using electric drill, because seek conveniently, operator is the direct more bit change when electric drill does not have power-off, if oneself or other people have touched switch and make bit drills move when more bit change by mistake, is very dangerous.
Summary of the invention
For deficiency of the prior art, the invention provides a kind of electric drill.
The present invention is achieved through the following technical solutions.Electric hand drill, comprise electric drill body and the drill chuck for installing drill bit, a ring annular groove is provided with in described drill chuck, slide bar is provided with in described cannelure, the end of described slide bar one end extends in the keyhole of drill chuck, the part that described slide bar stretches into keyhole is inclined-plane, described drill chuck is surveyed outward and is provided with a ring shape shelves wall, described annular shelves wall is fixed on electric drill body, described annular shelves wall is provided with an opening, the other end of described slide bar to extend in electric drill body and and be provided with the first back-moving spring between the inwall of electric drill body, the below of described slide bar is provided with the first tooth plate, described first tooth plate meshing gear, on described gear, also engagement is provided with the second tooth plate, described second tooth plate is provided with the first magnet, the below of described second tooth plate is provided with magnetic receiver, the second magnet is provided with in described magnetic receiver, described first magnet is identical with the opposite face magnetic pole of the second magnet, the below of described second magnet is provided with magnetic slide rail, described magnetic slide rail is adsorbed on the second magnet, slide in described magnetic slide rail and be provided with pad, the below of described pad is provided with the second back-moving spring, the side of described pad is provided with electric drill switch, the opposite side of described pad is provided with electric drill button, described pad is provided with two projections, described electric drill button is provided with two grooves coordinated with projection, more during bit change, operator makes slide bar move in electric drill body on the electric drill key insertion keyhole inclined-plane leaned on slide bar, the first tooth plate driven wheel on slide bar rotates, gear driven second tooth plate moves, the first magnet on second tooth plate moves to the top position of the second magnet along with the second tooth plate, under the effect of magnet repulsion, the second magnet moves down and then is with mobile gasket to move down, until the projection on pad moves to groove location, at this moment operator presses electric drill button, projection inserts in groove, pad touches less than electric drill switch, operator extracts drill bit key after finishing changing drill bit, one end of slide bar pushes back in keyhole by the first back-moving spring, first magnet and the second magnet stagger, magnet repulsion disappears, second back-moving spring promotes pad moves, projection and groove stagger.
Further, described projection is distributed in the two ends of pad.
Further, the contact surface of described slide bar and cannelure is provided with a circle ball.
Further, described drill chuck is provided with an index line.
Compared with prior art, the present invention in energising situation more bit change time, operator needs first the opening on cannelure to be aimed at keyhole, then electric drill key is inserted keyhole, the electric drill key inclined-plane leaned on slide bar makes slide bar move in electric drill body, the first tooth plate driven wheel on slide bar rotates, gear driven second tooth plate moves, the first magnet on second tooth plate moves to the top position of the second magnet along with the second tooth plate, under the effect of magnet repulsion, the second magnet moves down and then is with mobile gasket to move down, until the projection on pad moves to groove location, at this moment operator presses electric drill button, projection inserts in groove, pad touches less than electric drill switch, operator extracts drill bit key after finishing changing drill bit, one end of slide bar pushes back in keyhole by the first back-moving spring, first tooth plate driven wheel rotates, gear driven second tooth plate moves, first magnet and the second magnet stagger, magnet repulsion disappears, second back-moving spring promotes pad moves, projection and groove stagger, at this moment operator presses electric drill button, electric drill button promotes pad touching electric drill switch, electric drill normally works.Adopt after said structure, though operator when electric drill does not have power-off more bit change also can not cause danger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be the present invention more bit change time structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the invention will be further described.As shown in Figure 1 to Figure 2, electric hand drill, comprise electric drill body 1 and the drill chuck 2 for installing drill bit, it is characterized in that: in described drill chuck 2, be provided with a ring annular groove 22, slide bar 3 is provided with in described cannelure 22, the end of described slide bar 3 one end extends in the keyhole 21 of drill chuck 2, the part that described slide bar 3 stretches into keyhole 21 is inclined-plane, the outer survey of described drill chuck 2 is provided with a ring shape shelves wall 4, described annular shelves wall 4 is fixed on electric drill body 1, described annular shelves wall 4 is provided with an opening 41, the other end of described slide bar 3 to extend in electric drill body 1 and and be provided with the first back-moving spring 13 between the inwall of electric drill body 1, the below of described slide bar 3 is provided with the first tooth plate 5, described first tooth plate 5 meshing gear 8, on described gear 8, also engagement is provided with the second tooth plate 6, described second tooth plate 6 is provided with the first magnet 7, the below of described second tooth plate 6 is provided with magnetic receiver 15, the second magnet 71 is provided with in described magnetic receiver 15, described first magnet 7 is identical with the opposite face magnetic pole of the second magnet 71, the below of described second magnet 71 is provided with magnetic slide rail 20, described magnetic slide rail 20 is adsorbed on the second magnet 71, slide in described magnetic slide rail 20 and be provided with pad 10, the below of described pad 10 is provided with the second back-moving spring 12, the side of described pad 10 is provided with electric drill switch 11, snap switch selected by described electric drill switch 11, the opposite side of described pad 10 is provided with electric drill button 9, described pad 10 is provided with two projections 101, described electric drill button 9 is provided with two grooves 91 coordinated with projection 101.
Described projection 101 is distributed in the two ends of pad 10, pad 10 uniform stressed when making operator presses electric drill button 9.
Described slide bar 3 is provided with a circle ball with the contact surface of cannelure 22, reduces the frictional force between slide bar 3 and cannelure 22 when drill chuck 2 rotates.
Described drill chuck 2 is provided with an index line, and when index line aims at opening 41, opening 41 aims at keyhole 21.
As long as the present invention's operator's pressing electric drill button under normal circumstances, after electric drill button promotion pad leans electric drill switch, electric drill is with regard to setting in motion, more during bit change, operator needs first the opening on cannelure to be aimed at keyhole, then electric drill key is inserted keyhole, the electric drill key inclined-plane leaned on slide bar makes slide bar move in electric drill body, the first tooth plate driven wheel on slide bar rotates, gear driven second tooth plate moves, the first magnet on second tooth plate moves to the top position of the second magnet along with the second tooth plate, under the effect of magnet repulsion, the second magnet moves down and then is with mobile gasket to move down, until the projection on pad moves to groove location, at this moment operator presses electric drill button, projection inserts in groove, pad touches less than electric drill switch, operator extracts drill bit key after finishing changing drill bit, one end of slide bar pushes back in keyhole by the first back-moving spring, first tooth plate driven wheel rotates, gear driven second tooth plate moves, first magnet and the second magnet stagger, magnet repulsion disappears, second back-moving spring promotes pad moves, projection and groove stagger, at this moment operator presses electric drill button, electric drill button promotes pad touching electric drill switch, electric drill normally works.Adopt after said structure, though operator when electric drill does not have power-off more bit change also can not cause danger.
Claims (4)
1. electric hand drill, comprise electric drill body (1) and the drill chuck (2) for installing drill bit, it is characterized in that: in described drill chuck (2), be provided with a ring annular groove (22), slide bar (3) is provided with in described cannelure (22), the end of described slide bar (3) one end extends in the keyhole (21) of drill chuck (2), the part that described slide bar (3) stretches into keyhole (21) is inclined-plane, described drill chuck (2) is surveyed outward and is provided with ring shape shelves wall (4), described annular shelves wall (4) is fixed on electric drill body (1), described annular shelves wall (4) is provided with an opening (41), the other end of described slide bar (3) to extend in electric drill body (1) and and be provided with the first back-moving spring (13) between the inwall of electric drill body (1), the below of described slide bar (3) is provided with the first tooth plate (5), described first tooth plate (5) meshing gear (8), on described gear (8), also engagement is provided with the second tooth plate (6), described second tooth plate (6) is provided with the first magnet (7), the below of described second tooth plate (6) is provided with magnetic receiver (15), the second magnet (71) is provided with in described magnetic receiver (15), described first magnet (7) is identical with the opposite face magnetic pole of the second magnet (71), the below of described second magnet (71) is provided with magnetic slide rail (20), described magnetic slide rail (20) is adsorbed on the second magnet (71), slide in described magnetic slide rail (20) and be provided with pad (10), the below of described pad (10) is provided with the second back-moving spring (12), the side of described pad (10) is provided with electric drill switch (11), the opposite side of described pad (10) is provided with electric drill button (9), described pad (10) is provided with two projections (101), described electric drill button (9) is provided with two grooves (91) coordinated with projection (101), more during bit change, operator makes slide bar (3) mobile in electric drill body (1) on electric drill key (100) insertion keyhole (21) inclined-plane leaned on slide bar (3), the first tooth plate (5) driven wheel (8) on slide bar (3) rotates, gear (8) drives the second tooth plate (6) mobile, the first magnet (7) on second tooth plate (6) moves to the top position of the second magnet (71) along with the second tooth plate (6), under the effect of magnet repulsion, the second magnet (71) moves down and then is with mobile gasket (10) to move down, until the projection (101) on pad (10) moves to groove (91) position, at this moment operator presses electric drill button (9), projection (101) inserts in groove (91), pad (10) touches less than electric drill switch (11), operator extracts drill bit key (100) after finishing changing drill bit, one end of slide bar (3) pushes back in keyhole (21) by the first back-moving spring (13), first magnet (7) and the second magnet (71) stagger, magnet repulsion disappears, second back-moving spring (12) promotes pad (10) moves, projection (101) and groove (91) stagger.
2. electric hand drill as claimed in claim 1, is characterized in that: described projection (101) is distributed in the two ends of pad (10).
3. electric hand drill as claimed in claim 1, is characterized in that: described slide bar (3) is provided with a circle ball with the contact surface of cannelure (22).
4. electric hand drill as claimed in claim 1, is characterized in that: described drill chuck (2) is provided with an index line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510986807.1A CN105436565B (en) | 2015-12-26 | 2015-12-26 | Electric hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510986807.1A CN105436565B (en) | 2015-12-26 | 2015-12-26 | Electric hand drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105436565A true CN105436565A (en) | 2016-03-30 |
| CN105436565B CN105436565B (en) | 2017-12-08 |
Family
ID=55547446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510986807.1A Active CN105436565B (en) | 2015-12-26 | 2015-12-26 | Electric hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105436565B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109284644A (en) * | 2017-07-20 | 2019-01-29 | 卡西欧计算机株式会社 | Portable terminal |
| CN113458454A (en) * | 2021-07-29 | 2021-10-01 | 永康市晓诚电器有限公司 | Hand-held electric drill |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62166975A (en) * | 1986-01-14 | 1987-07-23 | 松下電工株式会社 | Chuck handle container for power tool |
| GB9117881D0 (en) * | 1990-08-20 | 1991-10-09 | Morel Gerald A | Power tool |
| DE29521475U1 (en) * | 1994-07-29 | 1997-04-30 | Zettl GmbH CNC Präzisions- und Sonderwerkzeuge, 87488 Betzigau | Chuck |
| CN102281994A (en) * | 2009-01-16 | 2011-12-14 | 罗伯特·博世有限公司 | Machine tool, in particular handheld machine tool |
| CN102528770A (en) * | 2010-10-28 | 2012-07-04 | 喜利得股份公司 | Control method for a machine tool and machine tool |
| CN104191003A (en) * | 2014-08-04 | 2014-12-10 | 刘影 | Chuck used for speed-changing electric drill |
| CN104201571A (en) * | 2014-09-19 | 2014-12-10 | 山东电力设备有限公司 | Anti-misoperation ground protection mechanism for dry type transformer |
-
2015
- 2015-12-26 CN CN201510986807.1A patent/CN105436565B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62166975A (en) * | 1986-01-14 | 1987-07-23 | 松下電工株式会社 | Chuck handle container for power tool |
| GB9117881D0 (en) * | 1990-08-20 | 1991-10-09 | Morel Gerald A | Power tool |
| DE29521475U1 (en) * | 1994-07-29 | 1997-04-30 | Zettl GmbH CNC Präzisions- und Sonderwerkzeuge, 87488 Betzigau | Chuck |
| CN102281994A (en) * | 2009-01-16 | 2011-12-14 | 罗伯特·博世有限公司 | Machine tool, in particular handheld machine tool |
| CN102528770A (en) * | 2010-10-28 | 2012-07-04 | 喜利得股份公司 | Control method for a machine tool and machine tool |
| CN104191003A (en) * | 2014-08-04 | 2014-12-10 | 刘影 | Chuck used for speed-changing electric drill |
| CN104201571A (en) * | 2014-09-19 | 2014-12-10 | 山东电力设备有限公司 | Anti-misoperation ground protection mechanism for dry type transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109284644A (en) * | 2017-07-20 | 2019-01-29 | 卡西欧计算机株式会社 | Portable terminal |
| CN113458454A (en) * | 2021-07-29 | 2021-10-01 | 永康市晓诚电器有限公司 | Hand-held electric drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105436565B (en) | 2017-12-08 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hand held electric drill Effective date of registration: 20210607 Granted publication date: 20171208 Pledgee: China Construction Bank Co.,Ltd. Ningbo Jiangbei sub branch Pledgor: KINGTEC INDUSTRIAL Co.,Ltd. Registration number: Y2021330000520 |