CN112676611A - Electric drill easy to maintain and having drill bit fast switching function - Google Patents

Electric drill easy to maintain and having drill bit fast switching function Download PDF

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Publication number
CN112676611A
CN112676611A CN202110042287.4A CN202110042287A CN112676611A CN 112676611 A CN112676611 A CN 112676611A CN 202110042287 A CN202110042287 A CN 202110042287A CN 112676611 A CN112676611 A CN 112676611A
Authority
CN
China
Prior art keywords
shell
rod
shaft
bearing
drill bit
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.)
Pending
Application number
CN202110042287.4A
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Chinese (zh)
Inventor
曾显辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Chenhengchi Technology Co ltd
Original Assignee
Chengdu Chenhengchi Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Chenhengchi Technology Co ltd filed Critical Chengdu Chenhengchi Technology Co ltd
Priority to CN202110042287.4A priority Critical patent/CN112676611A/en
Publication of CN112676611A publication Critical patent/CN112676611A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electric drill with easy maintenance and fast switching function of a drill bit, 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 at the left end of the supporting block in a threaded manner, the rotating wheel is provided with the drill bit, 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. When a drill bit in the device is damaged, the drill bit switching mechanism can be quickly taken out to replace a spare drill bit in the mechanism, and maintainability is improved.

Description

Electric drill easy to maintain and having drill bit fast switching function
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric drill which is easy to maintain and has a function of quickly switching drill bits.
Background
The electric drill is a drilling machine using electricity as power. The electric drill is a conventional product in the electric tools and is also an electric tool product with the largest demand, but the electric drill is often provided with a plurality of drill bits due to different hole diameters, so that the drill bits are inconvenient to store and store after being used, the drill bits are often lost and damaged, troubles are brought to users, 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 which is easy to maintain and has a function of quickly switching drill bits, and solves the problem.
The invention is realized by the following technical scheme.
The invention relates to an electric drill easy to maintain and having a function of quickly switching drill bits, 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 at 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, the front end of the supporting block is fixedly connected with a guide rotating wheel bearing, the guide rotating wheel bearing is fixedly connected with a guide rotating wheel, the guide rotating wheel is fixedly connected with the spring, the lower end of the supporting block is fixedly connected with a push rod guide rail, a push rod is arranged in the push rod guide rail, a second fixed shaft is fixedly connected in the shell, a second gear is rotatably, the shell internal fixation is equipped with the spout, sliding connection micromotor on the spout, micromotor power connection worm, the worm with the meshing of second gear, the inboard fixed connection piece in shell front end, fixed connection piece rotates and connects the axis of rotation, axis of rotation fixed connection pinion, fixed connection second bearing in the shell, the first bearing of fixed connection in the shell, first bearing fixed connection follower, second bearing fixed connection follower, tight piece has been placed to follower right-hand member, fixed cover of follower threaded connection, fixed cover compresses tightly tight piece, the shell internal fixation is equipped with big motor, big motor power connection transmission shaft, transmission shaft fixed connection driving gear, the driving gear with the follower meshing.
Further, the lower right end of the shell is fixedly provided with a first fixed shaft, the first fixed shaft is rotatably connected with a first gear, the lower end of the shell is slidably 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 slidably connected 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 rotatably connected with a toothed plate sliding block, the toothed plate sliding block is slidably 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
Furthermore, the lower end of the push-out rod guide rail is fixedly connected with a sliding groove block, the rear end of the second fixed shaft is rotatably 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 and 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 connected with the sliding groove block in a sliding manner, the first connecting rod shaft is connected with the chute block in a sliding way, 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 rotatably connected with the third connecting rod, a second connecting shaft is arranged at the front end of the shell, the second connecting shaft is rotatably connected with the upper cover, and a magnet is fixedly connected to the upper end of the shell.
Furthermore, a second button is fixedly connected to the rear end of the small motor, a first motor spring is fixedly connected to the rear end of the small motor, a second motor spring is fixedly connected to the front end of the small motor, a first button is fixedly connected to the front end of the small motor, and the small motor can be meshed with the worm and the third gear or the small gear by pressing the first button or the second button.
Furthermore, a stop block is arranged at the upper end of the supporting block and detachably connected with the supporting block through a quick-release screw.
The invention has the beneficial effects that: according to the electric drill easy to maintain and having the function of quickly switching the drill bits, the drill bits of the electric drill are automatically switched and stored through the internal drill bit switching mechanism, compared with the traditional changing and storing mode, the changing safety and simplicity are greatly improved, the problem of storing the drill bits is solved, meanwhile, the push-out device is arranged below the drill bit switching mechanism, when the drill bits in the device are damaged, the drill bit switching mechanism can be quickly taken out to replace spare drill bits in the mechanism, and the maintainability is improved, so that the safety and the portability of the use of the electric drill are greatly improved, and the maintainability of the equipment is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of the swivel switching mechanism shown 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 ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-5, an electric drill easy to maintain and having a function of quickly switching drill bits comprises a housing 10, a supporting block 13 is arranged in the housing 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 threaded connection screw 68 is arranged at the left end of the supporting block 13, the rotating wheel 15 is provided with a drill bit 50, a drill bit bearing 49 is sleeved on the drill bit 50, the drill bit bearing 49 is fixedly connected with a spring 16, a guide rotating wheel bearing 18 is fixedly connected at the front end of the supporting block 13, the guide rotating wheel bearing 18 is fixedly connected with a guide rotating wheel 17, the guide rotating wheel 17 is fixedly connected with a spring 16, a push rod guide rail 67 is fixedly connected at the lower end of the supporting block 13, a push rod 66 is arranged in the push rod guide rail 67, a, second gear 51 is connected in the middle of the second fixed axle 52 rotation, second gear 51 with the meshing of ejector lever 66, the shell 10 internal fixation is equipped with spout 39, sliding connection small motor 37 on spout 39, small motor 37 power connection worm 38, worm 38 with the meshing of second gear 51, the inboard fixed connection piece 45 of shell 10 front end, fixed connection piece 45 rotates and connects axis of rotation 44, axis of rotation 44 fixed connection pinion 46, fixed connection second bearing 20 in the shell 10, the first bearing 19 of shell 10 internal fixation connection, first bearing 19 fixed connection driven wheel 21, second bearing 20 fixed connection driven wheel 21, driven wheel 21 right-hand member has placed and has pressed from both sides tight piece 23, driven wheel 21 threaded connection fixed cover 22, fixed cover 22 compresses tightly press from both sides tight piece 23, the casing 10 internal fixation is equipped with big motor 36, big motor 36 power connection transmission shaft 35, transmission shaft 35 fixed connection driving gear 34, driving gear 34 with driven wheel 21 meshes.
Beneficially, a first fixed shaft 28 is fixedly arranged at the lower right end of the housing 10, the first fixed shaft 28 is rotatably 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, a rubber ring 25 is fixedly connected to the inner side of the fastening ring 24, the lower end of the fastening ring 24 is fixedly connected with a first connecting shaft 26, the first connecting shaft 26 is rotatably connected with a toothed plate sliding block 27, the toothed plate sliding block 27 is slidably connected with the housing 10, the toothed plate sliding block 27 is engaged with the first gear 29, and the driving toothed plate 30 is engaged with the first gear 29
Advantageously, the lower end of the push-out rod guide 67 is fixedly connected with a chute block 62, the rear end of the second fixed shaft 52 is rotatably connected with a third gear 53, the third gear 53 is fixedly connected with a first link 54, the first link 54 is fixedly connected with a first link shaft 55, a third fixed shaft 58 is fixedly arranged in the housing 10, the third fixed shaft 58 is rotatably connected with a second link 57, the second link 57 is fixedly connected with a 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 a fourth link shaft 61, the fourth link shaft 61 is rotatably connected with a third link 59, the second link 57 is fixedly provided with a third link shaft 60, the third link shaft 60 is rotatably connected with the third link 59, the front end of the housing 10 is provided with a second connecting shaft 69, the second connecting shaft 69 is rotatably connected with the upper cover 48, and the upper end of the shell 10 is fixedly connected with the magnet 47.
Advantageously, a second button 41 is fixedly connected to the rear end of the small motor 37, a first motor spring 42 is fixedly connected to the rear end of the small motor 37, a second motor spring 43 is fixedly connected to the front end of the small motor 37, a first button 40 is fixedly connected to the front end of the small motor 37, and the small motor 37 can engage the worm 38 with the third gear 53 or the pinion 46 by pressing the first button 40 or the second button 41.
Advantageously, a stop block 11 is arranged at the upper end of the supporting block 13, and the stop block 11 is detachably connected with the supporting block 13 through a quick-release screw 33.
When the drill bit is operated, the second button 41 is pressed, the small motor 37 and the worm 38 slide forwards, the worm 38 and the second gear 51 are disengaged, the worm 38 is engaged with the pinion 46, the small motor 37 is started to drive the worm 38 to rotate, the worm 38 drives the pinion 46 to rotate, the pinion 46 drives the rotating wheel 15 to rotate, the rotating wheel 15 brings the required drill bit 50 to a pushable position, the second button 41 is stopped being pressed, the small motor 37 slides backwards under the action of the second motor spring 43, is disengaged from the pinion 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 rotating wheel 15 through the groove on the rotating 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 rotating wheel 15 to continue to move along the groove of the rotating wheel 17, when the drill bit 50 extends out of, pressing the first button 31 pulls the active toothed plate 30 to move leftwards, the active 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 fixing 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 fixing sleeve 22 to move leftwards through the front end threads, the fixing sleeve 22 compresses the clamping block 23, the clamping block 23 clamps and fixes the drill bit 50, loosening the first button 31, the first button 31 moves rightwards under the action of the first button spring 65, the first button 31 drives the active toothed plate 30 to move rightwards, the active 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 to enable the fixing sleeve 22 to 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 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 enables the fixing sleeve 22 to move rightwards through front end threads, at the moment, the clamping block 23 is loosened to lose the fixing effect, the drill bit 50 moves left, 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 this time, 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 rotary head switching mechanism 90 moves upwards, the upper cover 48 is jacked up to rotate around the second connecting shaft 69, and the quick release screw 33 is unscrewed to open the stop block 11 to replace the drill bit 50.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an electric drill that has drill bit fast switch over function of easy maintenance, includes the shell, its characterized in that: the bearing block is arranged in the shell, a bearing is sleeved on the bearing block, a rotating wheel is sleeved on the bearing sleeve, a small ball is arranged in the bearing block, a small spring is arranged at the left end of the small ball, a threaded connection screw is arranged at the left end of the bearing block, a drill bit is arranged on the rotating wheel, a drill bit bearing is sleeved on the drill bit, a fixed connection spring of the drill bit bearing is fixedly connected with the front end of the bearing block, the guide rotating wheel bearing is fixedly connected with the guide rotating wheel, the guide rotating wheel is fixedly connected with the spring, a fixed connection push rod guide rail is arranged at the lower end of the bearing block, a push rod is arranged in the push rod guide rail, a second fixed shaft is fixedly connected in the shell, a second gear is rotatably connected in the middle of the second fixed shaft, the second gear is meshed with the push rod, a sliding groove is fixedly arranged in the shell, the worm is connected to small motor power, the worm with the meshing of second gear, the inboard fixed connection piece of shell front end, fixed connection piece rotates and connects the axis of rotation, axis of rotation fixed connection pinion, fixed connection second bearing in the shell, the first bearing of fixed connection in the shell, first bearing fixed connection follower, second bearing fixed connection follower, the tight piece of clamp has been placed to follower right-hand member, the fixed cover of follower threaded connection, fixed cover compresses tightly press from both sides tight piece, the shell internal fixation is equipped with big motor, big motor power connection transmission shaft, transmission shaft fixed connection driving gear, the driving gear with the follower meshing.
2. An easily maintainable electric drill with a drill bit rapid-switching function according to claim 1, wherein: the fixed first fixed axle that is equipped with of shell right side lower extreme, first fixed axle is connected with first gear revolve, shell lower extreme sliding connection initiative pinion rack, the first button of initiative pinion rack fixed connection, the first button spring of first button fixed connection, first button spring fixed connection the shell, shell right-hand member sliding connection tighrening ring, the inboard fixed connection rubber ring of tighrening ring, the first connecting axle of tighrening ring lower extreme fixed connection, first connecting axle rotates and connects the pinion rack slider, pinion rack slider sliding connection the shell, the pinion rack slider with first gear engagement, initiative pinion rack with first gear engagement.
3. An easily maintainable electric drill with a drill bit rapid-switching function according to claim 2, wherein: the lower end of the push-out rod guide rail is fixedly connected with a sliding groove block, the rear end of the second fixed shaft is rotatably 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 rotatably 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 slidably connected with the sliding groove block, the first connecting rod is fixedly provided with a fourth connecting rod shaft, the fourth connecting rod shaft is rotatably 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 rotatably connected with the third connecting rod, the front end of the shell is provided with a second connecting shaft, the second connecting shaft is rotatably connected with an upper cover, and the upper end of the shell.
4. An easily maintainable electric drill with a drill bit rapid-switching function according to claim 3, wherein: the rear end of the small motor is fixedly connected with a second button, 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 first button, and the small motor can be pressed by the first button or the second button to enable the worm to be meshed with the third gear or the small gear.
5. An easily maintainable electric drill with a drill bit rapid-switching function according to claim 4, wherein: 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.
CN202110042287.4A 2021-01-13 2021-01-13 Electric drill easy to maintain and having drill bit fast switching function Pending CN112676611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110042287.4A CN112676611A (en) 2021-01-13 2021-01-13 Electric drill easy to maintain and having drill bit fast switching function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110042287.4A CN112676611A (en) 2021-01-13 2021-01-13 Electric drill easy to maintain and having drill bit fast switching function

Publications (1)

Publication Number Publication Date
CN112676611A true CN112676611A (en) 2021-04-20

Family

ID=75457691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110042287.4A Pending CN112676611A (en) 2021-01-13 2021-01-13 Electric drill easy to maintain and having drill bit fast switching function

Country Status (1)

Country Link
CN (1) CN112676611A (en)

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