CN112676611B - Electric drill with drill bit quick switching function and easy maintenance - Google Patents
Electric drill with drill bit quick switching function and easy maintenance Download PDFInfo
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- CN112676611B CN112676611B CN202110042287.4A CN202110042287A CN112676611B CN 112676611 B CN112676611 B CN 112676611B CN 202110042287 A CN202110042287 A CN 202110042287A CN 112676611 B CN112676611 B CN 112676611B
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Abstract
The invention discloses an electric drill with a drill bit rapid switching function, which comprises a shell, wherein a supporting block is arranged in the shell, a bearing is sleeved on the supporting block, a rotating wheel is sleeved on the bearing, a small ball is arranged in the supporting block, a small spring is arranged at the left end of the small ball, a screw is connected with the left end of the supporting block in a threaded manner, a drill bit is arranged on the rotating wheel, a drill bit bearing is sleeved on the drill bit, the drill bit bearing is fixedly connected with the spring, and the front end of the supporting block is fixedly connected with a guide rotating wheel bearing.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric drill with a drill bit rapid switching function, which is easy to maintain.
Background
The electric drill is a drilling machine using electricity as power. The electric drill is a conventional product in an electric tool and is also an electric tool product with the largest demand, but because the required hole diameters are different, the electric drill is often provided with a plurality of drill bits, and after the electric drill is used, the drill bits are stored and stored, so that a lot of inconvenience is caused, the loss and damage of the drill bits often occur, the user is puzzled, and the electric drill is improved aiming at the defects.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric drill with a drill bit rapid switching function, which is easy to maintain and solves the problem.
The invention is realized by the following technical scheme.
The invention discloses an electric drill with a drill bit rapid switching function, which comprises a housing, wherein a supporting block is arranged in the housing, a bearing is sleeved on the supporting block, a rotating wheel is arranged in the bearing sleeve, a small ball is arranged in the supporting block, a small spring is arranged at the left end of the small ball, a screw is connected with the left end of the supporting block in a threaded manner, a drill bit is arranged on the rotating wheel, a drill bit bearing is sleeved on the drill bit, the drill bit bearing is fixedly connected with a spring, the front end of the supporting block is fixedly connected with a guiding rotating wheel bearing, the guiding rotating wheel bearing is fixedly connected with a guiding rotating wheel, the guiding rotating wheel is fixedly connected with a spring, the lower end of the supporting block is fixedly connected with a pushing rod guide rail, a pushing rod is arranged in the pushing rod guide rail, a second fixed shaft is fixedly connected in the housing, a second gear is connected in a rotating manner in the middle of the second fixed shaft, the second gear is meshed with the pushing rod, a sliding groove is fixedly arranged in the housing, a small motor is connected onto the sliding manner, a worm is connected with the second gear in a power connection manner, the inner side of the housing is fixedly connected with the rotating shaft, the rotating shaft is fixedly connected with a driving and the driving and driven wheel is fixedly connected with a driven wheel, the driving and fixedly connected with a driving and driven wheel.
Further, a first fixed shaft is fixedly arranged at the right lower end of the shell, the first fixed shaft is rotationally connected with a first gear, the lower end of the shell is in sliding connection with a driving toothed plate, the driving toothed plate is fixedly connected with a first button, the first button is fixedly connected with a first button spring, the first button spring is fixedly connected with the shell, the right end of the shell is in sliding connection with a fastening ring, a rubber ring is fixedly connected with the inner side of the fastening ring, the lower end of the fastening ring is fixedly connected with a first connecting shaft, the first connecting shaft is rotationally connected with a toothed plate sliding block, the toothed plate sliding block is in sliding connection with the shell, the toothed plate sliding block is meshed with the first gear, and the driving toothed plate is meshed with the first gear
Further, the lower extreme fixed connection spout piece of release lever guide rail, the second fixed axle rear end rotates and connects the third gear, third gear fixed connection first link, first link fixed connection first link axle, the shell internal fixation is equipped with the third fixed axle, the third fixed axle rotates and connects the second connecting rod, second connecting rod fixed connection second link axle, second link axle sliding connection spout piece, first link fixed being equipped with the fourth link axle, the third connecting rod is connected in the fourth link axle rotation, the second connecting rod is fixed and is equipped with the third link axle, the third link axle is connected in the rotation of third link, the shell front end is equipped with the second connecting axle, the second connecting axle rotates and connects the upper cover, shell upper end fixed connection magnetite.
Further, the button II is fixedly connected to the rear end of the small motor, the first motor spring is fixedly connected to the rear end of the small motor, the second motor spring is fixedly connected to the front end of the small motor, the button I is fixedly connected to the front end of the small motor, and the worm can be meshed with the third gear or the pinion through pressing of the button I or the button II by the small motor.
Further, the upper end of the supporting block is provided with a stop block, and the stop block is detachably connected with the supporting block through a quick-release screw.
The invention has the beneficial effects that: according to the electric drill with the drill bit rapid switching function, which is easy to maintain, the automatic switching and storage of the drill bit of the electric drill are realized through the internal drill bit switching mechanism, compared with a traditional changing and storage mode, the changing safety and the simplicity are greatly improved, the storage problem of the drill bit is solved, meanwhile, the pushing device is arranged below the drill bit switching mechanism, and when the drill bit in the device is damaged, the drill bit switching mechanism can be quickly taken out to replace a standby drill bit in the mechanism, so that maintainability is improved, and therefore, the safety and the portability of the electric drill in use are greatly improved, and meanwhile, the maintainability of the electric drill is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a switching mechanism of the switch in FIG. 1 according to an embodiment of the present invention;
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The electric drill with the rapid switching function of the drill bit, which is easy to maintain and is described by combining with the accompanying drawings 1 to 5, comprises a shell 10, wherein a supporting block 13 is arranged in the shell 10, a bearing 14 is sleeved on the supporting block 13, a rotating wheel 15 is sleeved on the bearing 14, a small ball 12 is arranged in the supporting block 13, a small spring 32 is arranged at the left end of the small ball 12, a screw 68 is connected with the left end of the supporting block 13 in a threaded manner, a drill bit 50 is arranged on the rotating wheel 15, a drill bit bearing 49 is sleeved on the drill bit 50, the drill bit bearing 49 is fixedly connected with a spring 16, the front end of the supporting block 13 is fixedly connected with a guiding rotating wheel bearing 18, the guiding rotating wheel bearing 18 is fixedly connected with a guiding rotating wheel 17, the guiding rotating wheel 17 is fixedly connected with the spring 16, the lower end of the supporting block 13 is fixedly connected with a pushing rod guide rail 67, a pushing rod 66 is arranged in the pushing rod guide rail 67, a second fixed shaft 52 is fixedly connected in the shell 10, the middle of the second fixed shaft 52 is rotationally connected with a second gear 51, the second gear 51 is meshed with the push-out rod 66, a chute 39 is fixedly arranged in the shell 10, a small motor 37 is connected on the chute 39 in a sliding way, the small motor 37 is in power connection with a worm 38, the worm 38 is meshed with the second gear 51, the inner side of the front end of the shell 10 is fixedly connected with a fixed connection block 45, the fixed connection block 45 is rotationally connected with a rotating shaft 44, the rotating shaft 44 is fixedly connected with a small gear 46, the second bearing 20 is fixedly connected in the shell 10, the first bearing 19 is fixedly connected with a driven wheel 21, the second bearing 20 is fixedly connected with a driven wheel 21, the right end of the driven wheel 21 is provided with a clamping block 23, the driven wheel 21 is in threaded connection with a fixed sleeve 22, the fixed sleeve 22 is tightly pressed against the clamping block 23, the shell 10 is internally and fixedly provided with a large motor 36, the large motor 36 is in power connection with a transmission shaft 35, the transmission shaft 35 is fixedly connected with a driving gear 34, and the driving gear 34 is meshed with the driven wheel 21.
Advantageously, a first fixed shaft 28 is fixedly arranged at the right lower end of the housing 10, the first fixed shaft 28 is rotationally connected with a first gear 29, the lower end of the housing 10 is slidably connected with a driving toothed plate 30, the driving toothed plate 30 is fixedly connected with a first button 31, the first button 31 is fixedly connected with a first button spring 65, the first button spring 65 is fixedly connected with the housing 10, the right end of the housing 10 is slidably connected with a fastening ring 24, the inner side of the fastening ring 24 is fixedly connected with a rubber ring 25, the lower end of the fastening ring 24 is fixedly connected with a first connecting shaft 26, the first connecting shaft 26 is rotationally connected with a toothed plate slider 27, the toothed plate slider 27 is slidably connected with the housing 10, the toothed plate slider 27 is meshed with the first gear 29, and the driving toothed plate 30 is meshed with the first gear 29
Advantageously, the lower end of the push rod guide rail 67 is fixedly connected with the chute block 62, the rear end of the second fixed shaft 52 is rotatably connected with the third gear 53, the third gear 53 is fixedly connected with the first link 54, the first link 54 is fixedly connected with the first link shaft 55, the third fixed shaft 58 is fixedly arranged in the casing 10, the third fixed shaft 58 is rotatably connected with the second link 57, the second link 57 is fixedly connected with the second link shaft 56, the second link shaft 56 is slidably connected with the chute block 62, the first link shaft 55 is slidably connected with the chute block 62, the first link 54 is fixedly provided with the fourth link shaft 61, the fourth link shaft 61 is rotatably connected with the third link 59, the second link shaft 57 is fixedly provided with the third link shaft 60, the third link shaft 60 is rotatably connected with the third link 59, the front end of the casing 10 is provided with the second link shaft 69, the second link shaft 69 is rotatably connected with the upper cover 48, and the upper end of the casing 10 is fixedly connected with the magnet 47.
Advantageously, the rear end of the small motor 37 is fixedly connected with the second button 41, the rear end of the small motor 37 is fixedly connected with the first motor spring 42, the front end of the small motor 37 is fixedly connected with the second motor spring 43, the front end of the small motor 37 is fixedly connected with the first button 40, and the small motor 37 can enable the worm 38 to be meshed with the third gear 53 or the pinion 46 by pressing the first button 40 or the second button 41.
Advantageously, the upper end of the supporting block 13 is provided with a stop 11, said stop 11 being removably connected to the supporting block 13 by means of a quick-release screw 33.
When the device works, the button II 41 is pressed to enable the small motor 37 to slide forwards with the worm 38, the worm 38 is disengaged from the second gear 51, the worm 38 is engaged with the small gear 46, the small motor 37 is started to drive the worm-rod 38 to rotate, the worm 38 drives the small gear 46 to rotate, the small gear 46 drives the rotary wheel 15 to rotate, the rotary wheel 15 brings the required drill bit 50 to a push-out position, the button II 41 is stopped to be pressed, the small motor 37 slides backwards under the action of the second motor spring 43, is disengaged from the small gear 46 and is engaged with the second gear 51, at the moment, under the action of the small spring 32, the small ball 12 accurately positions the rotary wheel 15 through a groove on the rotary wheel 15, the small motor 37 is started to drive the second gear 51, the second gear 51 drives the push-out rod 66 to move rightwards, the push-out rod 66 pushes the drill bit 50 out of the rotary wheel 15 to continue to move along a groove of the guide rotary wheel 17, after the drill bit 50 stretches out of the clamping block 23 for a certain distance, pressing the first button 31 pulls the driving toothed plate 30 to move leftwards, the driving toothed plate 30 drives the first gear 29 to rotate, the first gear 29 drives the toothed plate sliding block 27 to move downwards, the toothed plate sliding block 27 drives the fastening ring 24 to move downwards, the fastening ring 24 moves downwards to fix the fixed sleeve 22 through the rubber ring 25, at the moment, pressing the second button 63 starts the large motor 36, the large motor 36 drives the driving gear 34 to rotate through the transmission shaft 35, the driving gear 34 drives the driven wheel 21 to rotate, the driven wheel 21 drives the fixed sleeve 22 to move leftwards through the front end threads, the fixed sleeve 22 compresses the clamping block 23, at the moment, the clamping block 23 clamps and fixes the drill bit 50, the first button 31 is released, the first button 31 moves rightwards under the action of the first button spring 65, the first button 31 drives the driving toothed plate 30 to move rightwards, the driving toothed plate 30 drives the first gear 29 to rotate, the first gear 29 drives the toothed plate sliding block 27 to move upwards, the toothed plate slide block 27 drives the fastening ring 24 to move upwards so that the fixing sleeve 22 can rotate along with the driven wheel 21, at the moment, the fixing sleeve 22 fastens the clamping block 23 and the drill bit 50 on the driven wheel 21 and rotates together with the driven wheel 21, after the use is finished, the first button 31 is pressed to pull the driving toothed plate 30 to move leftwards, the driving toothed plate 30 drives the first gear 29 to rotate, the first gear 29 drives the toothed plate slide block 27 to move downwards, the toothed plate slide block 27 drives the fastening ring 24 to move downwards, the fastening ring 24 moves downwards to fix the fixing sleeve 22 through the rubber ring 25, at the moment, the large motor 36 rotates reversely, the large motor 36 drives the driving gear 34 to rotate through the transmission shaft 35, the driving gear 34 drives the driven wheel 21 to rotate, the driven wheel 21 moves the fixed sleeve 22 rightwards through the front end screw thread, at the moment, the clamping block 23 is loosened to lose the fixing effect, the drill bit 50 moves leftwards under the action of the spring 16 to return to the rotating wheel 15, when the drill bit 50 in the rotating wheel 15 needs to be replaced, the first button 40 is pressed to enable the small motor 37 to move backwards, at the moment, the worm 38 is meshed with the third gear 53, the small motor 37 is started to drive the worm 38 to rotate, the worm 38 drives the third gear 53 to rotate, the third gear 53 drives the first connecting rod 54 to rotate under the combined action of the fourth connecting rod shaft 61, the second connecting rod 57 and the third connecting rod 59, the rotating head switching mechanism 90 moves upwards, the upper cover 48 is jacked to rotate around the second connecting shaft 69, and the quick-release screw 33 is unscrewed to open the stop dog 11 to replace the drill bit 50.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (1)
1. The utility model provides an electric drill that has drill bit fast switch over function of easy maintenance, includes shell, its characterized in that: the shell is internally provided with a supporting block, the supporting block is sleeved with a bearing, the bearing sleeve is provided with a rotating wheel, a small ball is arranged in the supporting block, the left end of the small ball is provided with a small spring, the left end of the supporting block is connected with a screw in a threaded manner, the rotating wheel is provided with a drill bit, the drill bit is sleeved with a drill bit bearing, the drill bit bearing is fixedly connected with a spring, the front end of the supporting block is fixedly connected with a guiding rotating wheel bearing, the guiding rotating wheel bearing is fixedly connected with a guiding rotating wheel, the guiding rotating wheel is fixedly connected with a spring, the lower end of the supporting block is fixedly connected with a pushing rod guide rail, a pushing rod is arranged in the pushing rod guide rail, a second fixed shaft is fixedly connected in the shell, a second gear is rotationally connected in the middle of the second fixed shaft and meshed with the pushing rod, a sliding groove is fixedly arranged in the shell, the sliding chute is connected with a small motor in a sliding way, the small motor is in power connection with a worm, the worm is meshed with the second gear, the inner side of the front end of the shell is fixedly connected with a fixed connecting block, the fixed connecting block is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a small gear, the shell is internally and fixedly connected with a second bearing, the shell is internally and fixedly connected with a first bearing, the first bearing is fixedly connected with a driven wheel, the second bearing is fixedly connected with the driven wheel, the right end of the driven wheel is provided with a clamping block, the driven wheel is in threaded connection with a fixed sleeve, the fixed sleeve is tightly pressed against the clamping block, the shell is internally and fixedly provided with a large motor, the large motor is in power connection with a transmission shaft, the transmission shaft is fixedly connected with a driving gear, and the driving gear is meshed with the driven wheel; the right lower end of the shell is fixedly provided with a first fixed shaft, the first fixed shaft is rotationally connected with a first gear, the lower end of the shell is slidingly connected with a driving toothed plate, the driving toothed plate is fixedly connected with a first button, the first button is fixedly connected with a first button spring, the first button spring is fixedly connected with the shell, the right end of the shell is slidingly connected with a fastening ring, the inner side of the fastening ring is fixedly connected with a rubber ring, the lower end of the fastening ring is fixedly connected with a first connecting shaft, the first connecting shaft is rotationally connected with a toothed plate sliding block, the toothed plate sliding block is slidingly connected with the shell, the toothed plate sliding block is meshed with the first gear, and the driving toothed plate is meshed with the first gear; the lower end of the push rod guide rail is fixedly connected with a sliding chute block, the rear end of the second fixed shaft is rotationally connected with a third gear, the third gear is fixedly connected with a first connecting rod, the first connecting rod is fixedly connected with a first connecting rod shaft, a third fixed shaft is fixedly arranged in the shell, the third fixed shaft is rotationally connected with a second connecting rod, the second connecting rod is fixedly connected with a second connecting rod shaft, the second connecting rod shaft is slidingly connected with the sliding chute block, the first connecting rod is fixedly provided with a fourth connecting rod shaft, the fourth connecting rod shaft is rotationally connected with a third connecting rod, the second connecting rod is fixedly provided with a third connecting rod shaft, the third connecting rod shaft is rotationally connected with the third connecting rod, the front end of the shell is provided with a second connecting shaft, the second connecting shaft is rotationally connected with an upper cover, and the upper end of the shell is fixedly connected with a magnet; the rear end of the small motor is fixedly connected with a button II, the rear end of the small motor is fixedly connected with a first motor spring, the front end of the small motor is fixedly connected with a second motor spring, the front end of the small motor is fixedly connected with a button I, and the small motor can enable the worm to be meshed with the third gear or the pinion by pressing the button I or the button II; the upper end of the supporting block is provided with a stop block, and the stop block is detachably connected with the supporting block through a quick-release screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042287.4A CN112676611B (en) | 2021-01-13 | 2021-01-13 | Electric drill with drill bit quick switching function and easy maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042287.4A CN112676611B (en) | 2021-01-13 | 2021-01-13 | Electric drill with drill bit quick switching function and easy maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112676611A CN112676611A (en) | 2021-04-20 |
| CN112676611B true CN112676611B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110042287.4A Active CN112676611B (en) | 2021-01-13 | 2021-01-13 | Electric drill with drill bit quick switching function and easy maintenance |
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| Country | Link |
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| CN (1) | CN112676611B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296524A (en) * | 2018-02-05 | 2018-07-20 | 上海应用技术大学 | A kind of hand held electric drill of automatic more bit change |
| CN111545797A (en) * | 2020-05-27 | 2020-08-18 | 福州台江茅头英科技有限公司 | Device for automatically replacing drill bit of electric drill |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19951264A1 (en) * | 1999-08-21 | 2001-04-05 | Manfred Schneider | Machine tool has drive shaft, drive mechanism, axle, holder, housing, magazine, and coupling |
| CN201086280Y (en) * | 2006-09-18 | 2008-07-16 | 谢庆 | Multi-tool head electric tool |
| JP2012183607A (en) * | 2011-03-04 | 2012-09-27 | Toshiba Corp | Electrical power tool |
| CN103600335B (en) * | 2013-11-20 | 2016-09-28 | 宁波市海联电器有限公司 | Electric tool |
| CN104668618A (en) * | 2015-02-05 | 2015-06-03 | 吴传涛 | Multifunctional electric drill bit |
| CN207076987U (en) * | 2017-08-28 | 2018-03-09 | 胡再昌 | A kind of electrical drilling machine for being easy to bull to change |
| CN110560740A (en) * | 2019-09-17 | 2019-12-13 | 长江师范学院 | Drill bit switching device of multifunctional electric drill |
-
2021
- 2021-01-13 CN CN202110042287.4A patent/CN112676611B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296524A (en) * | 2018-02-05 | 2018-07-20 | 上海应用技术大学 | A kind of hand held electric drill of automatic more bit change |
| CN111545797A (en) * | 2020-05-27 | 2020-08-18 | 福州台江茅头英科技有限公司 | Device for automatically replacing drill bit of electric drill |
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| CN112676611A (en) | 2021-04-20 |
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Effective date of registration: 20230407 Address after: 321302 No. 29, Xita Third Road, Chengxi new area, Yongkang City, Jinhua City, Zhejiang Province Applicant after: ZHEJIANG LIBANG ELECTRIC CO.,LTD. Address before: 68 Tonggui Road, Jinjiang District, Chengdu City, Sichuan Province Applicant before: Chengdu chenhengchi Technology Co.,Ltd. |
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