Multifunctional electric drill
By adopting a multi-functional design with motor drive and sensor control in the electric drill, the problem of time-consuming and labor-intensive and inconvenient switching of conventional electric drills is solved, and the effect of automatic clamping and loosening and rapid speed adjustment is achieved. .
Patent Information
- Application Number
- CN202421218878.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Conventional electric drills require the chuck to be twisted by hand, which is time-consuming and labor-intensive. The high-speed and low-speed gear switching of the two-speed electric drills is easy to be unable to push and hurt their fingers.
A multi-functional electric drill is designed, using a first motor and a second motor to drive the gearbox and a gear transmission box. The chuck is equipped with an inductor. The drive shaft is controlled by the inductor to drive the drill tool to rotate or release, and pass through the second motor. Cooperate with the first motor to achieve rapid speed regulation.
It realizes automatic operation of clamping and loosening of the drill tool, reduces the time and effort of hand operation, prevents accidental injury, and supports fast high-speed and low-speed switching.
Smart Images

Figure CN222359315U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electric drills, in particular to a multifunctional electric drill. Background Art
[0002] Conventional electric drills require manual twisting of the chuck to clamp the drill bit or screwdriver bit. The manual twisting of the chuck is very time-consuming and laborious. In addition, the high and low speed gears of conventional dual-speed electric drills are switched by manually pushing the speed change button, which is prone to failure to push the button properly and easily injuring fingers. Therefore, a multifunctional electric drill is proposed to solve the above two problems. Utility Model Content
[0003] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.
[0004] A multifunctional electric drill comprises an electric drill body, wherein a first motor is transversely arranged inside the electric drill body, and a gearbox is driven and arranged on one side of the first motor, and the gearbox is located inside the electric drill body, a second motor is arranged on one side of the bottom end of the first motor, and the second motor is located inside the electric drill body, and the second motor and the gearbox are drivingly connected, a gear transmission box is arranged on one side of the gearbox, and the gear transmission box is located inside the electric drill body, and the gear transmission box and the gearbox are drivingly connected, a drive shaft is transversely driven and arranged on the other end of the gear transmission box, and the drive shaft is ... The shaft passes through the electric drill body, and the drive shaft rotates on the electric drill body. A chuck is mounted on the outside of the drive shaft, and a chuck sleeve is mounted on the outside of the chuck. The chuck sleeve rotates outside the chuck, and the drive shaft rotates inside the chuck. A first sensor and a second sensor are arranged between the chuck sleeve and the chuck, and the first sensors are located at the upper and lower sides of the inside of the chuck sleeve, and the first sensors are arranged obliquely, and the second sensors are located at the side edges of the inside of the chuck, and the second sensors are aligned with each other, and the second sensor is electrically connected to the first motor.
[0005] Preferably, a transmission rack and a transmission gear are arranged between the second motor and the gearbox, and the transmission rack is laterally located at the bottom end of the gearbox, and the transmission rack is drive-connected to the gearbox, the transmission gear is drive-connected to the second motor, and the transmission gear is meshed with the transmission rack.
[0006] Preferably, a connection cover is provided between the chuck and the electric drill body, and the connection cover is vertically located at one side of the electric drill body, and the chuck is laterally located at the other side of the connection cover.
[0007] Preferably, a jaw is formed inside the chuck, and the jaw passes through the chuck, and the jaw is aligned with the drive shaft, so that the drill tool is inserted into the chuck through the jaw and drivenly connected to the drive shaft. The jaw is provided with a limiting inclined column, and the limiting inclined column is obliquely located on the side wall inside the jaw, and the drill tool inserted into the jaw is limited by the limiting inclined column.
[0008] Preferably, a control panel is provided on the other side of the electric drill body, and the control panel is electrically connected to the second motor and the first motor respectively, a touch panel is electrically provided on one side of the control panel, and the touch panel is vertically located on the side outside the electric drill body, and the touch panel is electrically connected to the second motor and the first motor respectively through the control panel and regulates them.
[0009] Preferably, a speed regulating switch is arranged outside the bottom end of the electric drill body, and the speed regulating switch is electrically connected to the control panel. A battery is arranged at the bottom end inside the electric drill body, and the battery is electrically connected to the control panel, the second motor and the first motor respectively.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: when the chuck sleeve rotates clockwise outside the chuck, the first sensor at the top of the chuck sleeve and the second sensor at the top of the chuck sleeve are misaligned and do not sense each other. At this time, the first sensor at the bottom of the chuck sleeve and the second sensor at the bottom of the chuck are aligned and sense each other. At this time, the drill tool is clamped by the cooperation between the chuck and the chuck sleeve, and the first motor is controlled to drive the drive shaft to drive the drill tool to rotate through the induction between the first sensor at the bottom of the chuck sleeve and the second sensor at the bottom of the chuck. Conversely, when the chuck sleeve rotates counterclockwise outside the chuck, the first sensor at the bottom of the chuck sleeve and the second sensor at the bottom of the chuck sleeve are misaligned and do not sense each other. When the drill tool is installed on the electric drill body through the chuck, the first sensor and the second sensor at different positions can control the drive shaft to rotate or not rotate with the drill tool, so as to prevent the drill tool from accidentally injuring the operator when the switch of the electric drill body is accidentally touched, and the gearbox can be quickly adjusted to high and low speeds through the cooperation between the second motor and the first motor, so that the drive shaft can quickly switch gears when driving the drill tool to rotate.
[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0013] Figure 1 It is a structural schematic diagram of a multifunctional electric drill;
[0014] Figure 2 Another structural schematic diagram of a multifunctional electric drill;
[0015] Figure 3 It is another structural schematic diagram of a multifunctional electric drill;
[0016] Figure 4 It is a schematic diagram of the structure of the gearbox.
[0017] As shown in the figure: 1. Electric drill body, 2. Chuck, 3. Chuck cover, 4. Speed control switch, 5. Jaw, 6. Drive shaft, 7. Limit inclined column, 8. Connecting cover, 9. First sensor, 10. Second sensor, 11. Gear transmission box, 12. Gearbox, 13. First motor, 14. Second motor, 15. Control panel, 16. Touch pad, 17. Battery, 18. Transmission rack, 19. Transmission gear. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-4In an embodiment of the utility model, a multifunctional electric drill comprises an electric drill body 1, a first motor 13 is transversely arranged inside the electric drill body 1, and a gearbox 12 is driven to be arranged on one side of the first motor 13, and the gearbox 12 is located inside the electric drill body 1, a second motor 14 is arranged on one side of the bottom end of the first motor 13, and the second motor 14 is located inside the electric drill body 1, and the second motor 14 is drivingly connected to the gearbox 12, a gear transmission box 11 is arranged on one side of the gearbox 12, and the gear transmission box 11 is located inside the electric drill body 1, and the gear transmission box 11 is drivingly connected to the gearbox 12, a drive shaft 6 is transversely driven to be arranged on the other end of the gear transmission box 11, and the drive shaft 6 penetrates the electric drill body 1, and the drive shaft 6 rotates on the electric drill body 1, a chuck 2 is sleeved on the outside of the drive shaft 6, and a chuck cover 3 is sleeved on the outside of the chuck 2, the chuck cover 3 rotates outside the chuck 2, and the drive shaft 6 rotates inside the chuck 2, A first sensor 9 and a second sensor 10 are provided between the chuck sleeve 3 and the chuck 2, and the first sensors 9 are both located at the upper and lower sides of the chuck sleeve 3, and the first sensors 9 are obliquely arranged, and the second sensors 10 are both located at the side edges of the chuck 2, and the second sensors 10 are aligned with each other, and the second sensor 10 is electrically connected to the first motor 13, so that when the chuck sleeve 3 rotates clockwise outside the chuck 2, the first sensor 9 at the top of the chuck sleeve 3 and the second sensor 10 at the top of the chuck 2 are misaligned and do not sense each other, and at this time, the first sensor 9 at the bottom of the chuck sleeve 3 and the second sensor 10 at the bottom of the chuck 2 are aligned with each other and sense each other, and at this time, the drill tool is clamped by the cooperation between the chuck 2 and the chuck sleeve 3, and the first motor 13 is controlled to drive the drive shaft 6 to drive the drill tool to rotate through the induction between the first sensor 9 at the bottom of the chuck sleeve 3 and the second sensor 10 at the bottom of the chuck 2;
[0020] On the contrary, when the chuck sleeve 3 rotates counterclockwise outside the chuck 2, the first sensor 9 at the bottom end of the chuck sleeve 3 and the second sensor 10 at the bottom end of the chuck 2 are misaligned and do not sense each other. At this time, the first sensor 9 at the top end of the chuck sleeve 3 and the second sensor 10 at the top end of the chuck 2 are aligned and sense each other. At this time, the drill tool is loosened through the cooperation between the chuck 2 and the chuck sleeve 3, and the first sensor 9 at the top end of the chuck sleeve 3 and the second sensor 10 at the top end of the chuck 2 do not sense each other. The first motor 13 is controlled to stop driving the drive shaft 6 to drive the drill tool to rotate, and the gearbox 12 is quickly adjusted to high and low speeds through the cooperation between the second motor 14 and the first motor 13, so that the drive shaft 6 can quickly switch gears when driving the drill tool to rotate.
[0021] A transmission rack 18 and a transmission gear 19 are provided between the second motor 14 and the gearbox 12, and the transmission rack 18 is laterally located at the bottom end of the gearbox 12, and the transmission rack 18 is drivingly connected to the gearbox 12, and the transmission gear 19 is drivingly connected to the second motor 14, and the transmission gear 19 is meshed with the transmission rack 18, and then the transmission gear 19 is driven to rotate by the second motor 14, thereby driving the transmission rack 18 to move, thereby adjusting the speed of the transmission shaft inside the gearbox 12.
[0022] A connection cover 8 is provided between the chuck 3 and the electric drill body 1 , and the connection cover 8 is vertically located at one side of the electric drill body 1 , and the chuck 3 is laterally located at the other side of the connection cover 8 , thereby protecting the second sensor 10 inside the chuck 3 through the connection cover 8 .
[0023] A jaw 5 is formed inside the chuck 3, and the jaw 5 passes through the chuck 3, and the jaw 5 and the drive shaft 6 are aligned with each other, so that the drill tool is inserted into the chuck 3 through the jaw 5 and is driven and connected with the drive shaft 6. The jaw 5 is provided with a limiting inclined column 7, and the limiting inclined column 7 is obliquely located on the side wall inside the jaw 5, and the drilling tool inserted into the jaw 5 is limited by the limiting inclined column 7, so that the drilling tool will not be separated when rotating inside the chuck 3.
[0024] A control panel 15 is provided on the other side of the electric drill body 1, and the control panel 15 is electrically connected to the second motor 14 and the first motor 13 respectively. A touch panel 16 is electrically provided on one side of the control panel 15, and the touch panel 16 is vertically located at the side of the outside of the electric drill body 1, and the touch panel 16 is electrically connected to the second motor 14 and the first motor 13 respectively through the control panel 15 and regulates them.
[0025] A speed regulating switch 4 is disposed outside the bottom end of the electric drill body 1, and the speed regulating switch 4 is electrically connected to the control panel 15. A battery 17 is disposed at the bottom end of the electric drill body 1, and the battery 7 is electrically connected to the control panel 15, the second motor and the first motor 13 respectively.
[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.
Claims
1. A multifunctional electric drill, comprising an electric drill body, characterized in that: A first motor is transversely arranged inside the electric drill body, and a gearbox is driven on one side of the first motor, and the gearbox is located inside the electric drill body. A second motor is arranged on one side of the bottom end of the first motor, and the second motor is located inside the electric drill body, and the second motor is drivingly connected to the gearbox. A gear transmission box is arranged on one side of the gearbox, and the gear transmission box is located inside the electric drill body, and the gear transmission box is drivingly connected to the gearbox. A drive shaft is transversely driven on the other end of the gear transmission box, and the drive shaft passes through the electric drill body, and the drive shaft rotates on the electric drill body. A chuck is sleeved on the outside of the drive shaft, and a chuck sleeve is sleeved on the outside of the chuck, the chuck sleeve rotates outside the chuck, and the drive shaft rotates inside the chuck. A first sensor and a second sensor are arranged between the chuck sleeve and the chuck, and the first sensors are both located at the upper and lower sides of the inside of the chuck sleeve, and the first sensors are arranged obliquely, and the second sensors are both located at the side edges inside the chuck, and the second sensors are aligned with each other, and the second sensor is electrically connected to the first motor.
2. A multifunctional electric drill according to claim 1, characterized in that: A transmission rack and a transmission gear are arranged between the second motor and the gearbox, and the transmission rack is laterally located at the bottom end of the gearbox, and the transmission rack is drive-connected to the gearbox, the transmission gear is drive-connected to the second motor, and the transmission gear is meshed with the transmission rack.
3. A multifunctional electric drill according to claim 1, characterized in that: A connection cover is arranged between the chuck and the electric drill body, and the connection cover is vertically located at one side of the electric drill body, and the chuck is transversely located at the other side of the connection cover.
4. The multifunctional electric drill according to claim 1, characterized in that: A jaw is formed inside the chuck, and the jaw passes through the chuck, and the jaw is aligned with the drive shaft, so that the drill tool is inserted into the chuck through the jaw and drivenly connected to the drive shaft. The jaw is provided with a limiting inclined column, and the limiting inclined column is obliquely located on the side wall inside the jaw, and the drill tool inserted into the jaw is limited by the limiting inclined column.
5. The multifunctional electric drill according to claim 1, characterized in that: A control panel is provided on the other side of the electric drill body, and the control panel is electrically connected to the second motor and the first motor respectively. A touch panel is electrically provided on one side of the control panel, and the touch panel is vertically located on the side outside the electric drill body, and the touch panel is electrically connected to the second motor and the first motor respectively through the control panel and regulates them.
6. A multifunctional electric drill according to claim 5, characterized in that: A speed regulating switch is arranged outside the bottom end of the electric drill body, and the speed regulating switch is electrically connected to the control panel. A battery is arranged at the bottom end of the electric drill body, and the battery is electrically connected to the control panel, the second motor and the first motor respectively.