CN105436559A - Electric portable drill - Google Patents
Electric portable drill Download PDFInfo
- Publication number
- CN105436559A CN105436559A CN201510986794.8A CN201510986794A CN105436559A CN 105436559 A CN105436559 A CN 105436559A CN 201510986794 A CN201510986794 A CN 201510986794A CN 105436559 A CN105436559 A CN 105436559A
- Authority
- CN
- China
- Prior art keywords
- drill
- slide bar
- electric drill
- electric
- tooth plate
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses an electric portable drill which comprises an electric drill body and a drill chuck used for mounting a drill, wherein a circular groove is formed in the drill chuck; a slide bar is arranged in the circular groove; the end part of one end of the slide bar stretches into a keyhole of the drill chuck; the part, stretching into the keyhole, of the slide bar is an oblique surface; a circular blocking wall is arranged on the outer side of the drill chuck, and is fixed on the electric drill body; an opening is formed in the circular blocking wall; the other end of the slide bar extends into the electric drill body; a 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 is arranged below the slide bar; a gear component is meshed on the first toothed plate; the gear component is meshed with a second toothed plate as well; a limiting rod is connected at the lower end of the second toothed plate; an electric drill button is arranged below the limiting rod; a limiting groove is formed in the electric drill button; and an electric drill switch is arranged on one side of the electric drill button. Through the adoption of the structure, the danger is avoided when an operator changes the drill under the situation that the electric drill is not power-off.
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 back-moving spring between the inwall of electric drill body, the below of described slide bar is provided with the first tooth plate, on described first tooth plate, engagement is provided with gear assembly, described gear assembly also engages the second tooth plate, the lower end of described second tooth plate connects gag lever post, the below of described gag lever post is electric drill button, described electric drill button is provided with stopper slot, the side of described electric drill button is provided with electric drill switch, 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 gear assembly on slide bar rotates and the second tooth plate is moved down, and then make the gag lever post be connected on the second tooth plate move down in insertion stopper slot, at this moment the limited bar of electric drill button blocks and cannot press, drill bit key is extracted after operator finishes changing drill bit, one end of slide bar pushes back in keyhole by back-moving spring, gag lever post moves disengaging spacing hole.
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 wants 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 gear assembly on slide bar rotates and the second tooth plate is moved down, and then make the gag lever post be connected on the second tooth plate move down in insertion stopper slot, at this moment the limited bar of electric drill button blocks and cannot press, drill bit key is extracted after operator finishes changing drill bit, one end of slide bar pushes back in keyhole by back-moving spring, first tooth plate driven gear assembly rotates and makes the second tooth plate moves, gag lever post moves disengaging spacing hole, at this moment operator presses electric drill button, electric drill button 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, a ring annular groove 22 is provided with in described drill chuck 2, 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 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, on described first tooth plate 5, engagement is provided with gear assembly 6, described gear assembly 6 also engages the second tooth plate 7, the lower end of described second tooth plate 7 connects gag lever post 8, the below of described gag lever post 8 is electric drill buttons 11, described electric drill button 11 is provided with stopper slot 111, the side of described electric drill button 11 is provided with electric drill switch 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 is operator's pressing electric drill button under normal circumstances, after electric drill button leans electric drill switch, electric drill is with regard to setting in motion, when needing more bit change, operator wants first the opening on cannelure to be aimed at keyhole, then electric drill key is inserted keyhole, the electric drill key wedge surface leaned on slide bar makes slide bar move in electric drill body, the first tooth plate driven gear assembly on slide bar rotates and the second tooth plate is moved down, and then make the gag lever post be connected on the second tooth plate move down in insertion stopper slot, at this moment the limited bar of electric drill button blocks and cannot press, drill bit key is extracted after operator finishes changing drill bit, one end of slide bar pushes back in keyhole by back-moving spring, first tooth plate driven gear assembly rotates and makes the second tooth plate moves, gag lever post moves disengaging spacing hole, at this moment operator presses electric drill button, electric drill button 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 (3)
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 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), the upper engagement of described first tooth plate (5) is provided with gear assembly (6), described gear assembly (6) also engages the second tooth plate (7), the lower end of described second tooth plate (7) connects gag lever post (8), the below of described gag lever post (8) is electric drill button (11), described electric drill button (11) is provided with stopper slot (111), the side of described electric drill button (11) is provided with electric drill switch (9), 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 gear assembly (6) on slide bar (3) rotates and the second tooth plate (7) is moved down, and then make the gag lever post (8) be connected on the second tooth plate (7) move down in insertion stopper slot (111), at this moment electric drill button (11) limited bar (8) blocks and cannot press, drill bit key (100) is extracted after operator finishes changing drill bit, one end of slide bar (3) pushes back in keyhole (21) by back-moving spring (13), gag lever post (8) moves and departs from spacing hole (111).
2. 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).
3. 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 |
|---|---|---|---|
| CN201510986794.8A CN105436559B (en) | 2015-12-26 | 2015-12-26 | Electric hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510986794.8A CN105436559B (en) | 2015-12-26 | 2015-12-26 | Electric hand drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105436559A true CN105436559A (en) | 2016-03-30 |
| CN105436559B CN105436559B (en) | 2018-01-05 |
Family
ID=55547440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510986794.8A Active CN105436559B (en) | 2015-12-26 | 2015-12-26 | Electric hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105436559B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032160A (en) * | 1974-09-20 | 1977-06-28 | The Black And Decker Manufacturing Company | Chuck key holder |
| JPS62166975A (en) * | 1986-01-14 | 1987-07-23 | 松下電工株式会社 | Chuck handle container for power tool |
| GB2247198A (en) * | 1990-08-20 | 1992-02-26 | Gerald Alan Morel | Use of chuck key for power tool operation |
| DE29521475U1 (en) * | 1994-07-29 | 1997-04-30 | Zettl Gmbh Cnc Praezisions Und | Chuck |
| KR20060027419A (en) * | 2004-06-30 | 2006-03-28 | 현대자동차주식회사 | Drill chuck handle structure |
| 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 |
| CN103659743A (en) * | 2012-08-30 | 2014-03-26 | 彰彬工業股份有限公司 | Tool lock |
| 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 |
| CN104191003A (en) * | 2014-08-04 | 2014-12-10 | 刘影 | Chuck used for speed-changing electric drill |
-
2015
- 2015-12-26 CN CN201510986794.8A patent/CN105436559B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032160A (en) * | 1974-09-20 | 1977-06-28 | The Black And Decker Manufacturing Company | Chuck key holder |
| JPS62166975A (en) * | 1986-01-14 | 1987-07-23 | 松下電工株式会社 | Chuck handle container for power tool |
| GB2247198A (en) * | 1990-08-20 | 1992-02-26 | Gerald Alan Morel | Use of chuck key for power tool operation |
| DE29521475U1 (en) * | 1994-07-29 | 1997-04-30 | Zettl Gmbh Cnc Praezisions Und | Chuck |
| KR20060027419A (en) * | 2004-06-30 | 2006-03-28 | 현대자동차주식회사 | Drill chuck handle structure |
| 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 |
| CN103659743A (en) * | 2012-08-30 | 2014-03-26 | 彰彬工業股份有限公司 | Tool lock |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105436559B (en) | 2018-01-05 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: Electric hand drill Effective date of registration: 20210607 Granted publication date: 20180105 Pledgee: China Construction Bank Co.,Ltd. Ningbo Jiangbei sub branch Pledgor: KINGTEC INDUSTRIAL Co.,Ltd. Registration number: Y2021330000520 |