CN113510276A - Speed-adjustable electric drill with brush - Google Patents
Speed-adjustable electric drill with brush Download PDFInfo
- Publication number
- CN113510276A CN113510276A CN202110770386.4A CN202110770386A CN113510276A CN 113510276 A CN113510276 A CN 113510276A CN 202110770386 A CN202110770386 A CN 202110770386A CN 113510276 A CN113510276 A CN 113510276A
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- electric drill
- main control
- gear
- button
- control board
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a speed-adjustable electric drill with a brush, which comprises a main control board, a brush motor (2), a battery (4) and a button (3), wherein the main control board is arranged inside an electric drill shell (1), and the button (3) is arranged on the outer surface of the electric drill shell (1); the brush motor (2), the button (3) and the battery (4) are electrically connected with the main control board; one part of the button (3) extends out of the electric drill shell (1); the electric drill shell (1) is provided with a plurality of torque force display lamps (8), and the plurality of torque force display lamps (8) are electrically connected with the main control board and are turned on or turned off according to signals sent to the main control board by the buttons (3). The electric drill adjusts the rotating speed of the motor through the main control panel on the basis of not changing the size of the shell of the electric drill, so that the torque force of the output end is adjusted, and the electric drill is compact in structure, multifunctional and wide in application range.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric drill with a brush and capable of adjusting speed.
Background
At present, most electric drills are driven by a motor, the motor is transmitted to an output end through a gear box, and tools such as various drill bits are installed at the output end. In order to adjust the torque force of the electric drill, a mechanical torque force is generally adjusted on a gear box, a torque sleeve is adopted, and a spring mechanism is arranged in the gear box, so that the torque force is increased and reduced.
The length of the whole head of the conventional electric drill is more than 180mm, and the outer diameter of the head is more than 48 mm. If the torque is required to be increased, a larger motor is adopted, and if the durability is required to be increased, a larger-capacity battery is adopted, so that the external dimension of the electric drill can be increased according to the design requirement in the manufacturing aspect.
But to the electric drill that adopts 8V lithium cell, the length of its whole head is only within 150mm, and the head external diameter is only within 40mm, and the biggest characteristics of this electric drill are small and exquisite, and the person of facilitating the use carries, receives the appearance size restriction, after having installed motor, battery and gearbox, does not have the space and installs mechanical torque again and adjust to bring very difficult challenge for the design work, become the technological problem that this trade can't solve always.
Disclosure of Invention
The invention aims to solve the technical problem of providing a speed-adjustable electric drill with a brush, which can adjust the torque of an output end by adjusting the rotating speed of a motor through a main control panel on the basis of not changing the size of an electric drill shell, and has the advantages of compact structure, multiple functions and wide application range.
The invention has the technical scheme that the speed-adjustable electric drill with the brush comprises a main control board, a motor with the brush, a button and a battery, wherein the main control board is arranged in an electric drill shell; the brush motor, the button and the battery are electrically connected with the main control board; a part of the button extends out of the electric drill shell; the main control board limits the voltage of the battery within a certain range after receiving the signal transmitted by the button and transmits the voltage to the brush motor, and the brush motor outputs corresponding rotating speed according to the voltage range and transmits the rotating speed to the output end of the electric drill through the gearbox.
An electric quantity display board is arranged outside the tail part of the electric drill shell and provided with a plurality of electric quantity display lamps and a plurality of torque force display lamps; the button is located the electric quantity display panel, and a plurality of electric quantity display lamps and a plurality of torsion indicator lamp all are connected with the main control board electricity and open or close according to the signal that the main control board given.
The main control panel feeds back a value of the battery electric quantity according to the signal provided by the button and displays the value on the electric quantity display lamp corresponding to the electric quantity display panel.
The torque force display lamp is provided with three gears, the voltage of the first gear is 5.5-6V, the voltage of the second gear is 6-7V, and the voltage of the third gear is 7-8.5V.
The torsion of the first gear is 4-5N, the torsion of the second gear is 5-8N, and the torsion of the third gear is 8-12N.
The rotation speed of the first gear is 750rpm, the rotation speed of the second gear is 500rpm, and the rotation speed of the third gear is 250 rpm.
After adopting the structure, the invention has the following advantages: after receiving the signal transmitted from the button of the electric quantity display board, the main control board limits the voltage of the battery within a certain range and then transmits the voltage to the motor, and the motor outputs corresponding rotating speed and torque according to the voltage range and finally completes the adjustment of the rotating speed and the torque of the whole electric drill through the gearbox; simultaneously, through a signal provided by the button, the main control board also feeds back the value of the electric quantity of a battery, namely the main control board is used for adjusting the torque output by the electric drill, and the electric drill can be installed in a limited overall dimension, so that the structure is compact, the functions are various, and the application range is wide. And the main control board also feeds back the value of the electric quantity of the battery, so that the electric quantity display board can directly display the electric quantity and the magnitude of the torsion, and an operator can conveniently and visually see the electric quantity and the magnitude of the torsion.
Drawings
Figure 1 is a schematic view of the interior of a power drill of the present invention.
FIG. 2 is a schematic view of the tail structure of the drill of the present invention
Shown in the figure:
1. electric drill shell, 2, brush motor, 3, button, 4, battery, 5, output, 6, electric quantity display panel, 7, electric quantity display lamp, 8, torsion display lamp.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1-2, the speed-adjustable electric drill with a brush of the invention comprises a main control board arranged inside an electric drill shell 1, a motor with a brush 2, a button 3 arranged on the outer surface of the electric drill shell 1 and a battery 4;
the brush motor 2, the button 3 and the battery 4 are electrically connected with the main control board; the brush motor 2, the button 3 and the battery 4 are all controlled by the main control board.
The utility model discloses a brush motor, including electric drill shell, main control board, brush motor 2, the electric drill is equipped with the button 3, the button 3 part stretches out outside electric drill shell 1, and the other end is inside electric drill shell 1, through pressing button 3, can give the main control board signals, the main control board receives the signal that the button 3 transmission was come after, with the voltage restriction of battery 4 in certain within range to transmit brush motor 2, brush motor 2 then according to this voltage range output corresponding rotational speed, and transmit the output 5 of electric drill through the gearbox.
An electric quantity display board 6 is arranged outside the tail part of the electric drill shell 1, and the electric quantity display board 6 is provided with a plurality of electric quantity display lamps 7 and a plurality of torque force display lamps 8; the button 3 is positioned on the electric quantity display board 6, and the electric quantity display lamps 7 and the torsion force display lamps 8 are electrically connected with the main control board and are turned on or turned off according to signals given by the main control board.
The main control panel feeds back a value of the battery power according to the signal provided by the button 3 and displays the value on the corresponding power display lamp 7 on the power display panel 6.
The torque force display lamp 8 is provided with three gears, the voltage of the first gear is 5.5-6V, the voltage of the second gear is 6-7V, and the voltage of the third gear is 7-8.5V.
The torsion of the first gear is 4-5N, the torsion of the second gear is 5-8N, and the torsion of the third gear is 8-12N.
The rotation speed of the first gear is 750rpm, the rotation speed of the second gear is 500rpm, and the rotation speed of the third gear is 250 rpm.
The push-button 3 adopts a circulating gear, namely, the first gear, the second gear and the third gear are sequentially circulated.
Claims (6)
1. The utility model provides an adjustable speed has brush electric drill which characterized in that: the electric drill comprises a main control board arranged inside an electric drill shell (1), a brush motor (2), a button (3) arranged on the outer surface of the electric drill shell (1) and a battery (4); the brush motor (2), the button (3) and the battery (4) are electrically connected with the main control board; one part of the button (3) extends out of the electric drill shell (1); the main control board receives the signal that button (3) transmitted back, restricts the voltage of battery (4) in certain within range to transmit to brush motor (2), brush motor (2) then according to this voltage range output corresponding rotational speed, and transmit output (5) to the electric drill through the gearbox.
2. An adjustable speed brushed electric drill according to claim 1 wherein: an electric quantity display board (6) is arranged outside the tail part of the electric drill shell (1), and the electric quantity display board (6) is provided with a plurality of electric quantity display lamps (7) and a plurality of torque force display lamps (8); the button (3) is positioned on the electric quantity display board (6), and the electric quantity display lamps (7) and the torsion display lamps (8) are electrically connected with the main control board and are turned on or turned off according to signals given by the main control board.
3. An adjustable speed brushed electric drill according to claim 1 or 2 wherein: the main control panel feeds back a battery electric quantity value according to a signal provided by the button (3) and displays the battery electric quantity value on a corresponding electric quantity display lamp (7) on the electric quantity display panel (6).
4. An adjustable speed brushed electric drill according to claim 2 wherein: the torque force display lamp (8) is provided with three gears, the voltage of the first gear is 5.5-6V, the voltage of the second gear is 6-7V, and the voltage of the third gear is 7-8.5V.
5. An adjustable speed brushed electric drill according to claim 4 wherein: the torsion of the first gear is 4-5N, the torsion of the second gear is 5-8N, and the torsion of the third gear is 8-12N.
6. An adjustable speed brushed electric drill according to claim 4 wherein: the rotation speed of the first gear is 750rpm, the rotation speed of the second gear is 500rpm, and the rotation speed of the third gear is 250 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770386.4A CN113510276A (en) | 2021-07-08 | 2021-07-08 | Speed-adjustable electric drill with brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770386.4A CN113510276A (en) | 2021-07-08 | 2021-07-08 | Speed-adjustable electric drill with brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113510276A true CN113510276A (en) | 2021-10-19 |
Family
ID=78066982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110770386.4A Pending CN113510276A (en) | 2021-07-08 | 2021-07-08 | Speed-adjustable electric drill with brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113510276A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177990Y (en) * | 1993-11-30 | 1994-09-21 | 苏州太湖电动工具有限公司 | Speed regulating switch for hand electrodrill |
| CN2794701Y (en) * | 2005-06-23 | 2006-07-12 | 上海威瑞工贸有限公司 | Electric drill bit with multifunction liquid crystal display screen |
| CN201063579Y (en) * | 2007-06-21 | 2008-05-21 | 张庆枝 | Electric hand drill velocity modulation control circuit |
| CN101941192A (en) * | 2009-07-10 | 2011-01-12 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN102447435A (en) * | 2010-10-13 | 2012-05-09 | 株式会社牧田 | Electric power tool and program |
| CN102452066A (en) * | 2010-10-25 | 2012-05-16 | 苏州宝时得电动工具有限公司 | Handheld type electric tool |
| CN103121120A (en) * | 2013-02-01 | 2013-05-29 | 宁波市海联电器有限公司 | Electric drill |
| CN203151419U (en) * | 2013-03-21 | 2013-08-21 | 浙江湖州新京昌电子有限公司 | Rotating speed controller for gun drill |
| CN108015322A (en) * | 2017-12-12 | 2018-05-11 | 重庆浪尖渝力科技有限公司 | Multifunction drill |
| CN208913197U (en) * | 2018-08-01 | 2019-05-31 | 宁波市海曙华昌机械制造有限公司 | A kind of multifunctional motor-driven brill |
| CN110653765A (en) * | 2018-06-28 | 2020-01-07 | 苏州宝时得电动工具有限公司 | Electric tool and control device thereof |
| CN111823193A (en) * | 2019-04-19 | 2020-10-27 | 苏州宝时得电动工具有限公司 | Electric tool and control method thereof |
-
2021
- 2021-07-08 CN CN202110770386.4A patent/CN113510276A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177990Y (en) * | 1993-11-30 | 1994-09-21 | 苏州太湖电动工具有限公司 | Speed regulating switch for hand electrodrill |
| CN2794701Y (en) * | 2005-06-23 | 2006-07-12 | 上海威瑞工贸有限公司 | Electric drill bit with multifunction liquid crystal display screen |
| CN201063579Y (en) * | 2007-06-21 | 2008-05-21 | 张庆枝 | Electric hand drill velocity modulation control circuit |
| CN101941192A (en) * | 2009-07-10 | 2011-01-12 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN102447435A (en) * | 2010-10-13 | 2012-05-09 | 株式会社牧田 | Electric power tool and program |
| CN102452066A (en) * | 2010-10-25 | 2012-05-16 | 苏州宝时得电动工具有限公司 | Handheld type electric tool |
| CN103121120A (en) * | 2013-02-01 | 2013-05-29 | 宁波市海联电器有限公司 | Electric drill |
| CN203151419U (en) * | 2013-03-21 | 2013-08-21 | 浙江湖州新京昌电子有限公司 | Rotating speed controller for gun drill |
| CN108015322A (en) * | 2017-12-12 | 2018-05-11 | 重庆浪尖渝力科技有限公司 | Multifunction drill |
| CN110653765A (en) * | 2018-06-28 | 2020-01-07 | 苏州宝时得电动工具有限公司 | Electric tool and control device thereof |
| CN208913197U (en) * | 2018-08-01 | 2019-05-31 | 宁波市海曙华昌机械制造有限公司 | A kind of multifunctional motor-driven brill |
| CN111823193A (en) * | 2019-04-19 | 2020-10-27 | 苏州宝时得电动工具有限公司 | Electric tool and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211019 |