CN215392638U - Speed-adjustable electric drill with brush - Google Patents
Speed-adjustable electric drill with brush Download PDFInfo
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- CN215392638U CN215392638U CN202121541836.4U CN202121541836U CN215392638U CN 215392638 U CN215392638 U CN 215392638U CN 202121541836 U CN202121541836 U CN 202121541836U CN 215392638 U CN215392638 U CN 215392638U
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- electric drill
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Abstract
The utility model 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 utility model 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 utility model 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 utility model 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 electric drill shell is provided with a plurality of torque force display lamps, and the plurality of torque force display lamps 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.
The electric drill is characterized in that an electric quantity display board is arranged outside the tail portion of the electric drill shell, a plurality of electric quantity display lamps are arranged on the electric quantity display board, the button and the plurality of torque force display lamps are located on the electric quantity display board, and the plurality of electric quantity display lamps 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 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 utility model 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 utility model 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 utility model 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.
A part of the button 3 extends out of the electric drill shell 1; make things convenient for the operator to press, electric drill shell 1 is equipped with a plurality of torsion display lamps 8, and a plurality of torsion display lamps 8 all are connected with the main control board electricity and open or close according to the signal that button 3 gave 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.
Electric quantity display panel 6 is equipped with outward at electric drill shell 1 afterbody, electric quantity display panel 6 is equipped with a plurality of electric quantity display lamps 7, button 3 and a plurality of torsion display lamp 8 are located electric quantity display panel 6, and a plurality of electric quantity display lamps 7 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 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 battery (4) and a button (3) 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).
2. The adjustable speed brushed electric drill of claim 1 wherein: electric drill shell (1) afterbody is equipped with electric quantity display panel (6) outward, electric quantity display panel (6) are equipped with a plurality of electric quantity display lamp (7), button (3) and a plurality of torsion display lamp (8) are located electric quantity display panel (6), and a plurality of electric quantity display lamp (7) are connected with the main control board electricity and open or close according to the signal that the main control board given.
3. The adjustable speed brushed electric drill of claim 1 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. The adjustable speed brushed electric drill of claim 1 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. The adjustable speed brushed electric drill of 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. The adjustable speed brushed electric drill of 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 |
|---|---|---|---|
| CN202121541836.4U CN215392638U (en) | 2021-07-08 | 2021-07-08 | Speed-adjustable electric drill with brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541836.4U CN215392638U (en) | 2021-07-08 | 2021-07-08 | Speed-adjustable electric drill with brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215392638U true CN215392638U (en) | 2022-01-04 |
Family
ID=79646615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541836.4U Active CN215392638U (en) | 2021-07-08 | 2021-07-08 | Speed-adjustable electric drill with brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215392638U (en) |
-
2021
- 2021-07-08 CN CN202121541836.4U patent/CN215392638U/en active Active
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