CN115945717A - Electric drill convenient to change drill bit - Google Patents
Electric drill convenient to change drill bit Download PDFInfo
- Publication number
- CN115945717A CN115945717A CN202211718433.1A CN202211718433A CN115945717A CN 115945717 A CN115945717 A CN 115945717A CN 202211718433 A CN202211718433 A CN 202211718433A CN 115945717 A CN115945717 A CN 115945717A
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- drill bit
- cylinder
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- fixed
- spiral
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- 238000000034 method Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
An electric drill convenient for replacing a drill bit comprises a grab handle provided with a start button, wherein a shell is fixed on the grab handle, a motor is arranged at the lower part of the shell, a first gear is fixed on a rotating shaft of the motor, a hanging plate is fixed at the upper part of the shell, a connecting cylinder is rotationally arranged in the hanging plate, a second gear is fixed on the connecting cylinder, a drill bit quick-changing mechanism is fixed at the end part of the connecting cylinder, the drill bit is arranged at the front end of the drill bit quick-changing mechanism, and a replacement control mechanism is connected at the rear end of the drill bit quick-changing mechanism; the start button is electrically connected with the motor. The device can realize the function that the electric drill bit can be automatically fixed or loosened by poking one button.
Description
Technical Field
The invention belongs to the field of electric drills, and particularly relates to an electric drill with a drill bit convenient to replace.
Background
The electric drill is a drilling machine using electricity as power, is a conventional product in electric tools, and has the working principle that a motor operates by applying work, and an operating device is driven by a transmission mechanism to drive a gear to increase the power of a drill bit, so that the drill bit scrapes the surface of an object and better penetrates the object. The reinforcing device is widely applicable to the reinforcement of beams, plates, walls and the like of buildings, and the installation of decoration, supports, railings, air conditioner external units, guide rails, steel structure plants and the like. When the electric drill is used, different types of drill bits can be replaced ceaselessly due to different materials or installation modes of a drilling surface, the drill bits can be replaced by the ordinary electric drill, the ordinary electric drill is completely replaced by a user through pure hands, a long time is needed, the drill bits are easy to install and make mistakes when being replaced by a new hand, the labor and the time are wasted, and the working efficiency is reduced.
In the prior art, the invention patent of CN216151182U discloses an electric drill convenient for replacing a drill bit, and relates to the technical field of construction machinery. Including body, drill bit, first fixing bolt and second fixing bolt, body inside is provided with first cavity and second cavity respectively. The utility model discloses a through insert the drill bit in the recess, then rotate the drill bit, move first fixing bolt through twisting, make first fixing bolt and protruding cooperation, thereby it is fixed with the drill bit, it makes second fixing bolt extrusion limiting plate through twisting second fixing bolt, thereby make the limiting plate move down, make first flank of tooth and second flank of tooth meshing, thereby it is fixed with the drill bit, thereby it is more firm that dual fixed is fixed with the drill bit, prevent that the drill bit from droing, if take off the drill bit, through twisting first fixing bolt and second fixing bolt, then reset spring pulling limiting plate makes first flank of tooth and second flank of tooth separate, then rotate the drill bit, thereby take off the drill bit, not only make things convenient for the staff to change the drill bit, the work efficiency has still been improved. However, the steps of the device are still too many, problems can also occur if the screwing sequence is wrong, and the bolt is not easy to screw and is still inconvenient to work.
Disclosure of Invention
The invention aims to provide an electric drill convenient for replacing a drill bit, which can realize the function of automatically fixing or loosening the drill bit of the electric drill by poking a button.
The technical scheme adopted by the invention is as follows:
an electric drill convenient for replacing a drill bit comprises a grab handle provided with a start button, wherein a shell is fixed on the grab handle, a motor is arranged at the lower part of the shell, a first gear is fixed on a rotating shaft of the motor, a hanging plate is fixed at the upper part of the shell, a connecting cylinder is rotationally arranged in the hanging plate, a second gear is fixed on the connecting cylinder, a drill bit quick-changing mechanism is fixed at the end part of the connecting cylinder, the drill bit is arranged at the front end of the drill bit quick-changing mechanism, and a replacement control mechanism is connected at the rear end of the drill bit quick-changing mechanism; the start button is electrically connected with the motor.
The replacement control mechanism is used for opening or closing the drill bit quick-change mechanism so as to replace the drill bit.
Furthermore, the drill bit quick-change mechanism comprises an outer cylinder fixedly connected with the connecting cylinder, a spiral cylinder is fixed in the outer cylinder, a drill bit filling cylinder is rotationally arranged in the spiral cylinder, and a bulge matched with a spiral channel of the spiral cylinder is fixed on the outer wall of the drill bit filling cylinder; a plurality of L-shaped thin rods are arranged along the inner wall of the outer cylinder in a sliding manner, one end of each L-shaped thin rod is fixedly connected with the drill filling cylinder, and the other end of each L-shaped thin rod is rotatably connected with a lifting hook; the inner wall of the outer barrel is fixedly provided with support plates corresponding to the L-shaped thin rods in number, clamping blocks are arranged in the support plates in a sliding mode, the clamping blocks are lapped at one end of the picking hook, and a first spring is arranged between the clamping blocks and the outer barrel; a support column is fixed on the support plate, and the picking hook is rotatably connected with the support column; the outer surface of the root of the drill bit is provided with a spiral clamping groove, the spiral clamping groove is clamped with the edge of the clamping block, and a thread matched with the spiral clamping groove is arranged in the drill bit filling cylinder.
Further, (as another alternative) the drill bit quick-change mechanism does not comprise a spiral cylinder, and the inner cavity of the drill bit filling cylinder is conical.
The difference from the previous embodiment is that the drill bit and the drill bit filling cylinder are not connected by threads, but are connected by only a clamping block; the inner cavity of the drill filling cylinder is conical, so that the drill filling cylinder can adapt to drill bits with different diameters.
Furthermore, the replacement control mechanism comprises a sliding groove fixed on the shell, a sliding block is arranged in the sliding groove in a sliding mode, a second spring and a connecting rod are fixed on the sliding block, the second spring is connected with the side wall of the shell, and the connecting rod penetrates through the connecting cylinder and is connected with the drill bit filling cylinder through a bearing.
The connecting rod is connected with the drill bit filling barrel through the bearing, the arrangement mode enables the drill bit filling barrel to slide in the spiral barrel when pushed and pulled by the connecting rod, and meanwhile, the drill bit filling barrel cannot enable the connecting rod to rotate when rotating.
When the drill bit is replaced, the connecting rod moves backwards only by pulling the sliding block of the replacement control mechanism backwards, the lifting hook rotates upwards, the first spring is compressed, the clamping block is lifted upwards, the clamping block is separated from the spiral clamping groove on the outer surface of the root part of the drill bit, and the drill bit is released; in the process, the protrusion on the outer wall of the drill filling cylinder is rotated under the action of the spiral channel of the spiral cylinder, and the internal thread of the drill filling cylinder is separated from the spiral clamping groove of the drill in a rotating process. When the drill bit is normally drilled, the sliding block is propped against by the action of the second spring, and the drill bit is kept in a locking state by the drill bit quick-change mechanism.
Furthermore, an L-shaped thick rod is fixed on the outer wall of the drill filling cylinder, the end part of the L-shaped thick rod is rotatably connected with a drill ejecting rod, and the end part of the drill ejecting rod is clamped with a spiral clamping groove in the outer surface of a drill and is simultaneously rotatably connected with the outer cylinder.
When the drill filling cylinder is pulled backwards by the connecting rod, the L-shaped thick rod is simultaneously pulled backwards, and the drill ejecting rod automatically ejects the loosened drill to be replaced by utilizing the lever action.
Furthermore, a drill bit storage box is arranged on the side face of the shell.
Furthermore, a cable storage box is arranged at the bottom of the handle.
The problems that the cables are messy and difficult to store and are easy to wear are solved.
Furthermore, the number of the L-shaped slender rods is 2-5.
The invention has the beneficial effects that:
the device can realize the function of poking a button and automatically fixing or loosening the drill bit of the electric drill.
The fixed drill bit is loosened by shifting backwards and pressing the replacing button, the drill bit to be replaced is put in, and the replacing button is loosened, so that the device automatically locks and fixes the drill bit; the electric drill can start to rotate by pressing the switch. This device operating procedure is few, and it is fast to change, and a key formula operation, labour saving and time saving, work efficiency is high. The cable storage box and the drill bit storage box are arranged, so that the electric drill is convenient to use. The L-shaped thick rod and the drill bit ejection rod are arranged, and the drill bit can be automatically ejected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention (left side view);
FIG. 2 is a schematic view of the overall structure of the present invention (right side view);
FIG. 3 is an exploded view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of the overall structure of the present invention;
FIG. 5 is a view showing the structure of the main body of the present invention;
FIG. 6 is an exploded view of the main body structure of the present invention;
FIG. 7 is a front exploded view of the main structure of the present invention;
FIG. 8 is a top exploded view of the main body structure of the present invention;
FIG. 9 is a front elevational view of the body construction of the present invention;
FIG. 10 is a cross-sectional view of the main body structure of the present invention;
FIG. 11 is an enlarged view at A of FIG. 10;
FIG. 12 is a view of the bit locking and unlocking features;
in the figure, 1, a handle, 101, a start button, 102, a shell, 103, a hanging plate, 104, a connecting cylinder, 105, a second gear, 2, a motor, 201, a first gear, 3, a drill bit quick-change mechanism, 301, an outer cylinder, 302, a spiral cylinder, 303, a drill bit filling cylinder, 304, an L-shaped thin rod, 305, a picking hook, 306, a supporting plate, 307, a fixture block, 308, a first spring, 309, a support column, 310, an L-shaped thick rod, 311, a drill bit ejection rod, 4, a drill bit, 5, a change control mechanism, 501, a sliding groove, 502, a sliding block, 503, a second spring, 504, a connecting rod, 505, a bearing, 6, a drill bit storage box, 7 and a cable storage box.
Detailed Description
As shown in fig. 1 to 12, an electric drill convenient for replacing a drill bit includes a handle 1 provided with a start button 101, a housing 102 is fixed on the handle 1, a motor 2 is arranged at the lower part of the housing 102, a first gear 201 is fixed on a rotating shaft of the motor 2, a hanging plate 103 is fixed at the upper part of the housing 102, a connecting cylinder 104 is rotatably arranged in the hanging plate 103, a second gear 105 is fixed on the connecting cylinder 104, a drill bit quick-change mechanism 3 is fixed at the end part of the connecting cylinder 104, a drill bit 4 is arranged at the front end of the drill bit quick-change mechanism 3, and a replacement control mechanism 5 is connected at the rear end of the drill bit quick-change mechanism 3; the start button 101 is electrically connected to the motor 2.
The replacement control mechanism 5 is used for opening or closing the drill bit quick-change mechanism 3 to replace the drill bit.
The drill bit quick-change mechanism 3 comprises an outer cylinder 301 fixedly connected with the connecting cylinder 104, a spiral cylinder 302 is fixed in the outer cylinder 301, a drill bit filling cylinder 303 is rotationally arranged in the spiral cylinder 302, and a bulge matched with a spiral channel of the spiral cylinder 302 is fixed on the outer wall of the drill bit filling cylinder 303; 3L-shaped thin rods 304 are arranged along the inner wall of the outer cylinder 301 in a sliding manner, one end of each L-shaped thin rod 304 is fixedly connected with the drill bit filling cylinder 303, and the other end of each L-shaped thin rod 304 is rotatably connected with a lifting hook 305; the inner wall of the outer cylinder 301 is fixed with a plurality of supporting plates 306 corresponding to the L-shaped thin rods 304, a fixture block 307 is arranged in the supporting plates 306 in a sliding mode, the fixture block 307 is lapped at one end of the picking hook 305, and a first spring 308 is arranged between the fixture block 307 and the outer cylinder 301; a support column 309 is fixed on the support plate 306, and the cantilever hook 305 is simultaneously connected with the support column 309 in a rotating way; the outer surface of the root of the drill 4 is provided with a spiral clamping groove which is clamped with the edge of the clamping block 307, and a thread matched with the spiral clamping groove is arranged in the drill filling cylinder 303.
Alternatively, the drill bit quick-change mechanism 3 does not comprise the spiral cylinder 302, and the inner cavity of the drill bit filling cylinder 303 is conical. The difference from the previous proposal is that the drill 4 and the drill filling cylinder 303 are not connected by screw threads, but only rely on the fixture block 307; the inner cavity of the drill bit filling cylinder 303 is conical, so that the drill bits 4 with different diameters can be adapted.
The replacement control mechanism 5 comprises a sliding groove 501 fixed on the housing 102, a sliding block 502 is arranged in the sliding groove 501 in a sliding mode, a second spring 503 and a connecting rod 504 are fixed on the sliding block 502, the second spring 503 is connected with the side wall of the housing 102, and the connecting rod 504 penetrates through the connecting cylinder 104 and is connected with the drill bit filling cylinder 303 through a bearing 505.
Connecting rod 504 is connected to drill bit packing cylinder 303 through bearing 505, and this arrangement enables drill bit packing cylinder 303 to slide in spiral cylinder 302 when being pushed and pulled by connecting rod 504, and simultaneously, drill bit packing cylinder 303 does not enable connecting rod 504 to rotate when rotating.
When the drill 4 is replaced, the slider 502 of the replacement control mechanism 5 is pulled backwards, so that the connecting rod 504 moves backwards, the lifting hook 305 rotates upwards, the spring 308 is compressed, and the fixture block 307 is lifted upwards, so that the fixture block 307 is separated from the spiral clamping groove on the outer surface of the root of the drill 4, and the drill 4 is released; in the process, the protrusions on the outer wall of the drill bit filling cylinder 303 are rotated under the action of the spiral channel of the spiral cylinder 302, and in the rotating process, the internal threads of the drill bit filling cylinder 303 are separated from the spiral clamping grooves of the drill bit 4 in a rotating mode. During normal drilling operation, the second spring 503 is used for pushing the sliding block 502, and the drill bit 4 is kept locked by the drill bit quick-change mechanism 3.
An L-shaped thick rod 310 is fixed on the outer wall of the drill bit filling barrel 303, the end part of the L-shaped thick rod 310 is rotatably connected with a drill bit ejection rod 311, and the end part of the drill bit ejection rod 311 is clamped with a spiral clamping groove on the outer surface of a drill bit 4 and is rotatably connected with the outer barrel 301.
When the drill bit loading cylinder 303 is pulled backward by the link 504, the L-shaped thick rod 310 is simultaneously pulled backward, and the drill bit ejecting rod 311 automatically ejects the drill bit 4 to be replaced, which has been loosened, by leverage.
A drill bit storage box 6 is arranged on the side surface of the shell 102, and a cable storage box 7 is arranged at the bottom of the handle 1. The problems that the cables are messy and difficult to store and are easy to wear are solved.
Claims (8)
1. An electric drill convenient for replacing a drill bit is characterized by comprising a grab handle (1) provided with a start button (101), wherein a shell (102) is fixed on the grab handle (1), a motor (2) is arranged at the lower part of the shell (102), a first gear (201) is fixed on a rotating shaft of the motor (2), a hanging plate (103) is fixed on the upper part of the shell (102), a connecting cylinder (104) is rotationally arranged in the hanging plate (103), a second gear (105) is fixed on the connecting cylinder (104), a drill bit quick-change mechanism (3) is fixed at the end part of the connecting cylinder (104), a drill bit (4) is arranged at the front end of the drill bit quick-change mechanism (3), and a replacement control mechanism (5) is connected at the rear end of the drill bit quick-change mechanism; the start button (101) is electrically connected with the motor (2).
2. The electric drill convenient for changing the drill bit as claimed in claim 1, wherein the drill bit quick-change mechanism (3) comprises an outer cylinder (301) fixedly connected with the connecting cylinder (104), a spiral cylinder (302) is fixed in the outer cylinder (301), a drill bit filling cylinder (303) is rotatably arranged in the spiral cylinder (302), and a bulge matched with a spiral channel of the spiral cylinder (302) is fixed on the outer wall of the drill bit filling cylinder (303); a plurality of L-shaped thin rods (304) are arranged along the inner wall of the outer cylinder (301) in a sliding manner, one end of each L-shaped thin rod (304) is fixedly connected with the drill filling cylinder (303), and the other end of each L-shaped thin rod is rotatably connected with a pick hook (305); supporting plates (306) corresponding to the L-shaped thin rods (304) in number are fixed on the inner wall of the outer cylinder (301), clamping blocks (307) are arranged in the supporting plates (306) in a sliding mode, the clamping blocks (307) are overlapped at one end of the picking hook (305), and a first spring (308) is arranged between the clamping blocks (307) and the outer cylinder (301); a support column (309) is fixed on the support plate (306), and the picking hook (305) is simultaneously connected with the support column (309) in a rotating way; the outer surface of the root of the drill bit (4) is provided with a spiral clamping groove, the spiral clamping groove is clamped with the edge of the clamping block (307), and threads matched with the spiral clamping groove are arranged in the drill bit filling cylinder (303).
3. A drill facilitating bit change according to claim 2, characterized in that the drill bit quick-change mechanism (3) does not comprise a spiral cylinder (302), and the bore of the drill bit filling cylinder (303) is conical.
4. The electric drill facilitating bit replacement according to claim 1, wherein the replacement control mechanism (5) comprises a sliding groove (501) fixed on the housing (102), a sliding block (502) is arranged in the sliding groove (501) in a sliding mode, a second spring (503) and a connecting rod (504) are fixed on the sliding block (502), the second spring (503) is connected with the side wall of the housing (102), and the connecting rod (504) penetrates through the connecting cylinder (104) and is connected with the bit filling cylinder (303) through a bearing (505).
5. The electric drill convenient for changing the drill bit as claimed in claim 2, wherein an L-shaped thick rod (310) is fixed on the outer wall of the drill bit filling cylinder (303), a drill bit ejecting rod (311) is rotatably connected to the end part of the L-shaped thick rod (310), and the end part of the drill bit ejecting rod (311) is clamped with a spiral clamping groove on the outer surface of the drill bit (4) and is simultaneously rotatably connected with the outer cylinder (301).
6. An electric drill facilitating bit change as claimed in claim 1 wherein a bit storage compartment (6) is provided in the side of the housing (102).
7. An electric drill facilitating bit change as claimed in claim 1, characterised in that a cable receiving compartment (7) is provided at the bottom of the grip (1).
8. The drill facilitating bit change of claim 2, wherein the number of the L-shaped thin rods (304) is 2 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211718433.1A CN115945717A (en) | 2022-12-29 | 2022-12-29 | Electric drill convenient to change drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211718433.1A CN115945717A (en) | 2022-12-29 | 2022-12-29 | Electric drill convenient to change drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115945717A true CN115945717A (en) | 2023-04-11 |
Family
ID=87285559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211718433.1A Pending CN115945717A (en) | 2022-12-29 | 2022-12-29 | Electric drill convenient to change drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115945717A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170048899A (en) * | 2015-10-27 | 2017-05-10 | 주식회사 아임삭 | Bit or socket joinable electric tool |
| CN108500678A (en) * | 2018-03-30 | 2018-09-07 | 章敏 | The quick clamping mechanism of machine tooling |
| CN210877733U (en) * | 2019-10-31 | 2020-06-30 | 金华市步云机电设备有限公司 | Drilling machine convenient to change drill bit |
| CN211728325U (en) * | 2020-03-16 | 2020-10-23 | 东莞柯乐美精密工具有限公司 | Connecting device convenient to change milling cutter head |
| CN212917759U (en) * | 2020-03-27 | 2021-04-09 | 上海极嘉数字科技有限公司 | Drill chuck seat |
| CN113145902A (en) * | 2021-04-29 | 2021-07-23 | 安徽省宝路钢结构有限公司 | Conveniently-replaced drill bit connecting piece for machining steel structure and using method |
-
2022
- 2022-12-29 CN CN202211718433.1A patent/CN115945717A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170048899A (en) * | 2015-10-27 | 2017-05-10 | 주식회사 아임삭 | Bit or socket joinable electric tool |
| CN108500678A (en) * | 2018-03-30 | 2018-09-07 | 章敏 | The quick clamping mechanism of machine tooling |
| CN210877733U (en) * | 2019-10-31 | 2020-06-30 | 金华市步云机电设备有限公司 | Drilling machine convenient to change drill bit |
| CN211728325U (en) * | 2020-03-16 | 2020-10-23 | 东莞柯乐美精密工具有限公司 | Connecting device convenient to change milling cutter head |
| CN212917759U (en) * | 2020-03-27 | 2021-04-09 | 上海极嘉数字科技有限公司 | Drill chuck seat |
| CN113145902A (en) * | 2021-04-29 | 2021-07-23 | 安徽省宝路钢结构有限公司 | Conveniently-replaced drill bit connecting piece for machining steel structure and using method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20230411 |