CN117161446B - Conveniently-detached drill bit for hardware machining drilling machine - Google Patents
Conveniently-detached drill bit for hardware machining drilling machine Download PDFInfo
- Publication number
- CN117161446B CN117161446B CN202311306774.2A CN202311306774A CN117161446B CN 117161446 B CN117161446 B CN 117161446B CN 202311306774 A CN202311306774 A CN 202311306774A CN 117161446 B CN117161446 B CN 117161446B
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- drill bit
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- bevel gear
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- limiting
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000003754 machining Methods 0.000 title description 2
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000006978 adaptation Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides a drill bit for a hardware processing drilling machine, which is convenient to detach and relates to the technical field of drill bits of drilling machines. This hardware processing drill bit of convenient dismantlement, including the installation shell body, the interior top fixedly connected with of installation shell body is fixed the fixture block, the surface joint of fixed fixture block has the connection fixture block. According to the invention, the drill bit is driven to rotate by the drill bit extension rod, so that the limiting clamping bar rotates to the position of the clamping bar groove, then the drill bit extension rod is pulled downwards, the U-shaped limiting seat is in sliding connection with the mounting clamping bar, the fixed rack is meshed with the rotary gear, the rotary gear starts to rotate, the first rotary shaft rotates with the first bevel gear, the third bevel gear rotates with the fourth bevel gear, the fourth bevel gear rotates with the threaded clamping shaft, the threaded clamping shaft rotates and retreats, the threaded clamping shaft is separated from the inside of the threaded hole, and the limiting connecting column is not limited, so that the drill bit is very convenient to take down and disassemble.
Description
Technical Field
The invention relates to the technical field of drilling machine drills, in particular to a drill bit for a hardware processing drilling machine, which is convenient to detach.
Background
The drilling machine refers to a machine and equipment for forming a cylindrical hole or a hole on a target object by using a tool which is harder and sharper than the target object through rotary cutting or rotary extrusion, and is also called a drilling machine, a perforating machine, a through hole machine and the like, and along with the development of the era, the advantage of improving the drilling technology of the automatic drilling machine by adopting the full-automatic drilling machine to drill various hardware dies is obvious.
The existing drilling machine is troublesome in replacing a drill bit with serious abrasion, has no certain convenience, is easy to detach the drill bit, is poor in firmness, and can easily cause the drill bit to fall off when the drill bit rotates at a high speed to work, so that the drilling effect is affected, even a certain danger is caused, and therefore, the drill bit for the hardware processing drilling machine is convenient to detach.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects in the prior art, the invention provides the drill bit for the hardware processing drilling machine, which is convenient to detach, and solves the defects and the shortcomings in the prior art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a convenient five metals processing drill bit of dismantling, includes installs the shell body, the interior top fixedly connected with fixed fixture block of installation shell body, the surface joint of fixed fixture block has the connection fixture block, the bottom fixedly connected with spacing spliced pole of connection fixture block, the bottom rotation of spacing spliced pole is connected with annular connecting plate, the lower surface of annular connecting plate is connected with the drill bit extension pole through multiunit telescopic assembly, the top of drill bit extension pole is connected with joint spacing subassembly, the bottom fixedly connected with drill bit of drill bit extension pole, one side fixedly connected with fixed rack of drill bit extension pole, the opposite side of drill bit extension pole is provided with direction subassembly, the fixed sleeve plate that has cup jointed of surface fixation of drill bit extension pole, the lateral wall rotation of installation shell body is connected with fourth bevel gear, the inside of fourth bevel gear runs through and is provided with the screw thread clamping axle, the inside of installation shell body is provided with the linkage subassembly.
Preferably, the telescopic assembly comprises a telescopic rod fixedly connected to the lower surface of the annular connecting plate, the other end of the telescopic rod is fixedly connected with the top of the drill bit extension rod, a connecting spring is sleeved on the outer surface of the telescopic rod, one end of the connecting spring is fixedly connected with the lower surface of the annular connecting plate, and the other end of the connecting spring is fixedly connected with the top of the drill bit extension rod.
Preferably, the spacing subassembly of joint includes fixed connection at drill bit extension rod top fixed connection's erection column, the top fixedly connected with spacing card strip of erection column, cylindrical hole and card strip groove have been seted up to the bottom of spacing spliced pole, erection column and cylindrical hole looks adaptation, spacing card strip and card strip groove looks adaptation, spacing groove has been seted up to the inside of spacing spliced pole, cylindrical hole and card strip groove all communicate with spacing groove.
Preferably, a clamping groove corresponding to the fixed clamping block is formed in the top of the connecting clamping block.
Preferably, the guide assembly comprises a U-shaped limiting seat and an installation clamping rod, the U-shaped limiting seat is in sliding connection with the installation clamping rod, the U-shaped limiting seat is fixedly connected to the side wall of the drill bit extension rod, and the installation clamping rod is fixedly connected to the inner side wall of the installation shell body.
Preferably, the linkage assembly comprises a first rotating shaft which is horizontally and rotatably connected to the inner side wall of the installation outer shell body and a second rotating shaft which vertically penetrates through the installation outer shell body and is rotatably connected with the same, a first bevel gear and a rotating gear are fixedly connected to the outer surface of the first rotating shaft, the rotating gear is meshed with a fixed rack, a second bevel gear is fixedly connected to one end of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, a third bevel gear is fixedly connected to the other end of the second rotating shaft, and the third bevel gear is meshed with a fourth bevel gear.
Preferably, the screw thread clamping shaft penetrates through the side wall of the mounting outer shell and is in threaded connection with the side wall of the mounting outer shell, a threaded hole is formed in the outer surface of the limiting connecting column, the screw thread clamping shaft is in threaded connection with the inside of the threaded hole, an adaptation sliding groove is formed in the outer surface of the screw thread clamping shaft, an adaptation block is fixedly connected with the inner wall of the fourth bevel gear, and the adaptation block is in sliding connection with the inside of the adaptation sliding groove.
Preferably, the outer surface of the bottom of the installation shell is in threaded connection with an external thread cover, and the inner bottom of the external thread cover is fixedly connected with a limiting ejector rod.
(III) beneficial effects
The invention provides a drill bit for a hardware processing drilling machine, which is convenient to detach. The beneficial effects are as follows:
According to the invention, the drill bit is driven to rotate by the drill bit extension rod, so that the limiting clamping bar rotates to the position of the clamping bar groove, then the drill bit extension rod is pulled downwards, the U-shaped limiting seat is in sliding connection with the mounting clamping bar, the fixed rack is meshed with the rotary gear, the rotary gear starts to rotate, the first rotary shaft rotates with the first bevel gear, the third bevel gear rotates with the fourth bevel gear, the fourth bevel gear rotates with the threaded clamping shaft, the threaded clamping shaft rotates and retreats, the threaded clamping shaft is separated from the inside of the threaded hole, and the limiting connecting column is not limited, so that the drill bit is very convenient to take down and disassemble.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of a first view angle structure of a spacing connecting column according to the present invention;
FIG. 3 is a schematic view of a second view angle structure of the spacing connecting column of the present invention;
FIG. 4 is a schematic view of the structure of the U-shaped limiting seat of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1-A in accordance with the present invention;
fig. 6 is an enlarged view of a portion of fig. 1-B in accordance with the present invention.
Wherein, 1, an outer shell is installed; 2. fixing the clamping block; 3. connecting a clamping block; 4. a limit connecting column; 5. an annular connecting plate; 6. a telescopic rod; 7. a connecting spring; 8. a drill bit extension rod; 9. a mounting column; 10. limiting clamping strips; 11. a cylindrical hole; 12. a clamping strip groove; 13. a limit groove; 14. a threaded hole; 15. a fixed rack; 16. a U-shaped limit seat; 17. installing a clamping rod; 18. a first rotation shaft; 19. a first bevel gear; 20. a second rotation shaft; 21. a second bevel gear; 22. a third bevel gear; 23. a thread clamping shaft; 24. a fourth bevel gear; 25. an adaptation block; 26. the sliding groove is adapted; 27. a protective housing; 28. a rotary gear; 29. a drill bit; 30. fixing the sleeve plate; 31. an external screw cap; 32. and limiting the ejector rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
As shown in fig. 1-6, the embodiment of the invention provides a drill bit for a hardware processing drilling machine, which is convenient to detach, and comprises an installation outer shell 1, wherein the inner top of the installation outer shell 1 is fixedly connected with a fixed clamping block 2, the outer surface of the fixed clamping block 2 is clamped with a connecting clamping block 3, the top of the connecting clamping block 3 is provided with a clamping groove corresponding to the fixed clamping block 2, the bottom of the connecting clamping block 3 is fixedly connected with a limit connecting column 4, the bottom of the limit connecting column 4 is rotationally connected with an annular connecting plate 5, the lower surface of the annular connecting plate 5 is connected with a drill bit extension rod 8 through a plurality of groups of telescopic components, the telescopic components comprise a telescopic rod 6 fixedly connected to the lower surface of the annular connecting plate 5, the other end of the telescopic rod 6 is fixedly connected with the top of the drill bit extension rod 8, the outer surface of the telescopic rod 6 is sleeved with a connecting spring 7, one end of the connecting spring 7 is fixedly connected with the lower surface of the annular connecting plate 5, and the other end of the connecting spring 7 is fixedly connected with the top of the drill bit extension rod 8;
The top of the drill bit extension rod 8 is connected with a clamping limiting assembly, the clamping limiting assembly comprises a mounting column 9 fixedly connected to the top of the drill bit extension rod 8, a limiting clamping strip 10 is fixedly connected to the top of the mounting column 9, a cylindrical hole 11 and a clamping strip groove 12 are formed in the bottom of the limiting connecting column 4, the mounting column 9 is matched with the cylindrical hole 11, the limiting clamping strip 10 is matched with the clamping strip groove 12, a limiting groove 13 is formed in the limiting connecting column 4, the cylindrical hole 11 and the clamping strip groove 12 are communicated with the limiting groove 13, a rotary drilling drill bit 29 rotates with the drill bit extension rod 8, the limiting clamping strip 10 is screwed into the limiting groove 13, and the limiting clamping strip 10 cannot be separated from the position of the clamping strip groove 12;
The bottom of the drill bit extension rod 8 is fixedly connected with a drill bit 29, one side of the drill bit extension rod 8 is fixedly connected with a fixed rack 15, the other side of the drill bit extension rod 8 is provided with a guide assembly, the guide assembly comprises a U-shaped limit seat 16 and a mounting clamping rod 17, the U-shaped limit seat 16 is in sliding connection with the mounting clamping rod 17, the U-shaped limit seat 16 is fixedly connected to the side wall of the drill bit extension rod 8, and the mounting clamping rod 17 is fixedly connected to the inner side wall of the mounting shell body 1; the drill bit extension rod 8 is sent into the installation shell body 1, then the U-shaped limit seat 16 is slidably connected with the installation clamping rod 17, the movement of the drill bit extension rod 8 is guided, the fixed rack 15 is meshed with the rotary gear 28 in the moving process of the drill bit extension rod 8, after the meshing, the rotary gear 28 starts to rotate, the first rotary shaft 18 rotates with the first bevel gear 19, the first bevel gear 19 rotates with the second bevel gear 21, the second bevel gear 21 rotates with the second rotary shaft 20, the second rotary shaft 20 rotates with the third bevel gear 22, the third bevel gear 22 rotates with the fourth bevel gear 24, the fourth bevel gear 24 rotates with the threaded clamping shaft 23, the threaded clamping shaft 23 moves forward while rotating, and when the connecting clamping block 3 moves to be clamped with the fixed clamping block 2, the threaded clamping shaft 23 does not extend into the threaded hole 14;
The outer surface of the drill bit extension rod 8 is fixedly sleeved with a fixed sleeve plate 30, the outer side wall of the installation outer shell 1 is rotationally connected with a fourth bevel gear 24, a threaded clamping shaft 23 is arranged in the fourth bevel gear 24 in a penetrating manner, a linkage assembly is arranged in the installation outer shell 1 and comprises a first rotating shaft 18 which is horizontally rotationally connected to the inner side wall of the installation outer shell 1 and a second rotating shaft 20 which vertically penetrates through the installation outer shell 1 and is rotationally connected with the same, the outer surface of the first rotating shaft 18 is fixedly connected with a first bevel gear 19 and a rotating gear 28, the rotating gear 28 is meshed with a fixed rack 15, one end of the second rotating shaft 20 is fixedly connected with a second bevel gear 21, the second bevel gear 21 is meshed with the first bevel gear 19, the other end of the second rotating shaft 20 is fixedly connected with a third bevel gear 22, the third bevel gear 22 is meshed with the fourth bevel gear 24, the threaded clamping shaft 23 penetrates through the side wall of the installation outer shell 1 and is in threaded connection with the same, a threaded hole 14 is formed in the outer surface of the limit connecting column 4, the threaded clamping shaft 23 is in the threaded connection with the threaded hole 14, an adaptation sliding chute 26 is formed in the outer surface of the threaded clamping shaft 23, one end of the inner wall of the fourth bevel gear 24 is fixedly connected with a first bevel gear 19 and an inner wall adaptation block 25, an inner side wall 25 of the inner side wall of the fourth bevel gear 25 is fixedly connected with an inner top rod 25 and an inner bottom 31 of the outer shell 31 is in sliding connection with the limit cap 31, and the threaded cap 31 is fixedly connected with the outer bottom surface of the outer shell 32, and the threaded cap is further fixedly connected with the top cap 32, and the top cap is fixedly connected with the top bottom surface of the top cap 31 is screwed on the top bottom of the top cap 31.
Working principle:
Taking up, conveying the drill bit extension rod 8 into the mounting outer shell 1, then keeping the U-shaped limiting seat 16 in sliding connection with the mounting clamping rod 17, guiding the movement of the drill bit extension rod 8, enabling the fixed rack 15 to be meshed with the rotary gear 28 in the moving process of the drill bit extension rod 8, enabling the rotary gear 28 to start rotating after meshing, enabling the first rotary shaft 18 to rotate with the first bevel gear 19, enabling the first bevel gear 19 to rotate with the second bevel gear 21, enabling the second bevel gear 21 to rotate with the second rotary shaft 20, enabling the second rotary shaft 20 to rotate with the third bevel gear 22, enabling the third bevel gear 22 to rotate with the fourth bevel gear 24, enabling the fourth bevel gear 24 to rotate with the threaded clamping shaft 23 to advance while rotating, and enabling the threaded clamping shaft 23 not to extend into the threaded hole 14 when the connecting clamping block 3 moves to be clamped with the fixed clamping block 2;
Continuously moving the drill bit extension rod 8 upwards, starting compression of the connecting spring 7 to enable the limit clamping strip 10 to be clamped into the clamping strip groove 12, separating the fixed rack 15 from the rotary gear 28, separating the U-shaped limit seat 16 from the mounting clamping rod 17, rotating the drill bit 29 with the drill bit extension rod 8 to enable the limit clamping strip 10 to be screwed into the limit groove 13, enabling the limit clamping strip 10 to be incapable of being separated from the clamping strip groove 12, and then connecting an external thread cover 31 on the outer surface of the bottom of the mounting outer shell 1 in a threaded manner to enable the limit ejector rod 32 to be propped against the lower surface of the fixed sleeve plate 30;
When the drilling bit 29 is detached, the external thread cover 31 is removed firstly, then the drilling bit 29 rotates with the bit extension rod 8, so that the limiting clamping bar 10 rotates to the clamping bar groove 12, then the bit extension rod 8 is pulled downwards, the U-shaped limiting seat 16 is in sliding connection with the mounting clamping bar 17, the fixed rack 15 is meshed with the rotating gear 28, the rotating gear 28 starts to rotate, the first rotating shaft 18 rotates with the first bevel gear 19, the first bevel gear 19 rotates with the second bevel gear 21, the second bevel gear 21 rotates with the second rotating shaft 20, the second rotating shaft 20 rotates with the third bevel gear 22, the third bevel gear 22 rotates with the fourth bevel gear 24, the fourth bevel gear 24 rotates with the threaded clamping shaft 23, the threaded clamping shaft 23 retreats while rotating, the threaded clamping shaft 23 is separated from the inside of the threaded hole 14, the limiting connecting column 4 is not limited, and the drilling bit 29 is removed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a convenient hardware processing drill bit of dismantling, includes installation shell body (1), its characterized in that: the utility model discloses a rotary shaft type drilling machine, which is characterized in that a fixed clamping block (2) is fixedly connected to the inner top of an installation outer shell (1), a connecting clamping block (3) is clamped on the outer surface of the fixed clamping block (2), a limiting connecting column (4) is fixedly connected to the bottom of the connecting clamping block (3), an annular connecting plate (5) is rotatably connected to the bottom of the limiting connecting column (4), a drill bit extension rod (8) is connected to the lower surface of the annular connecting plate (5) through a plurality of groups of telescopic components, a clamping limiting component is connected to the top of the drill bit extension rod (8), a drilling drill bit (29) is fixedly connected to the bottom of the drill bit extension rod (8), a fixed rack (15) is fixedly connected to one side of the drill bit extension rod (8), a guide component is arranged on the other side of the drill bit extension rod (8), a fixed sleeve plate (30) is fixedly sleeved on the outer surface of the drill bit extension rod (8), a fourth bevel gear (24) is rotatably connected to the outer side wall of the installation outer shell (1), a threaded clamping shaft (23) is arranged in a penetrating manner, the inner side of the installation outer shell (1) is provided with a linkage assembly (20) and is rotatably connected to a second rotating shaft (20) of the second rotating shaft, the outer surface fixedly connected with first bevel gear (19) and rotary gear (28) of first rotation axis (18), rotary gear (28) and fixed rack (15) meshing, the one end fixedly connected with second bevel gear (21) of second rotation axis (20), second bevel gear (21) and first bevel gear (19) meshing, the other end fixedly connected with third bevel gear (22) of second rotation axis (20), third bevel gear (22) and fourth bevel gear (24) meshing.
2. The drill bit for a hardware processing drilling machine convenient to disassemble according to claim 1, wherein: the telescopic assembly comprises a telescopic rod (6) fixedly connected to the lower surface of the annular connecting plate (5), the other end of the telescopic rod (6) is fixedly connected with the top of the drill bit extension rod (8), a connecting spring (7) is sleeved on the outer surface of the telescopic rod (6), one end of the connecting spring (7) is fixedly connected with the lower surface of the annular connecting plate (5), and the other end of the connecting spring (7) is fixedly connected with the top of the drill bit extension rod (8).
3. The drill bit for a hardware processing drilling machine convenient to disassemble according to claim 1, wherein: the clamping limiting assembly comprises a mounting column (9) fixedly connected to the top of a drill bit extension rod (8), a limiting clamping strip (10) is fixedly connected to the top of the mounting column (9), a cylindrical hole (11) and a clamping strip groove (12) are formed in the bottom of the limiting connecting column (4), the mounting column (9) is matched with the cylindrical hole (11), a limiting clamping strip (10) is matched with the clamping strip groove (12), a limiting groove (13) is formed in the limiting connecting column (4), and the cylindrical hole (11) and the clamping strip groove (12) are communicated with the limiting groove (13).
4. The drill bit for a hardware processing drilling machine convenient to disassemble according to claim 1, wherein: the top of the connecting clamping block (3) is provided with a clamping groove corresponding to the fixed clamping block (2).
5. The drill bit for a hardware processing drilling machine convenient to disassemble according to claim 1, wherein: the guide assembly comprises a U-shaped limiting seat (16) and an installation clamping rod (17), the U-shaped limiting seat (16) is in sliding connection with the installation clamping rod (17), the U-shaped limiting seat (16) is fixedly connected to the side wall of the drill bit extension rod (8), and the installation clamping rod (17) is fixedly connected to the inner side wall of the installation shell body (1).
6. The drill bit for a hardware processing drilling machine convenient to disassemble according to claim 1, wherein: the utility model discloses a screw thread card axle (23) is run through installation shell body (1) lateral wall and rather than threaded connection, screw hole (14) have been seted up to the surface of spacing spliced pole (4), screw thread card axle (23) threaded connection is in the inside of screw hole (14), adaptation spout (26) have been seted up to the surface of screw thread card axle (23), inner wall fixedly connected with adaptation piece (25) of fourth bevel gear (24), adaptation piece (25) sliding connection is in the inside of adaptation spout (26).
7. The drill bit for a hardware processing drilling machine convenient to disassemble according to claim 1, wherein: the outer surface of the bottom of the installation outer shell (1) is connected with an external thread cover (31) in a threaded mode, and a limiting ejector rod (32) is fixedly connected to the inner bottom of the external thread cover (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311306774.2A CN117161446B (en) | 2023-10-10 | 2023-10-10 | Conveniently-detached drill bit for hardware machining drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311306774.2A CN117161446B (en) | 2023-10-10 | 2023-10-10 | Conveniently-detached drill bit for hardware machining drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117161446A CN117161446A (en) | 2023-12-05 |
| CN117161446B true CN117161446B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311306774.2A Active CN117161446B (en) | 2023-10-10 | 2023-10-10 | Conveniently-detached drill bit for hardware machining drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117161446B (en) |
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| CN217439957U (en) * | 2022-05-31 | 2022-09-16 | 陕西东田能源科技有限公司 | Drilling bit and dragging sleeve device for underground gas hole |
| CN217991034U (en) * | 2022-07-25 | 2022-12-09 | 佛山市云昇金属科技有限公司 | Drill bit for machining convenient to change |
| CN218135177U (en) * | 2022-07-28 | 2022-12-27 | 常州市仪之诺工具有限公司 | Alloy drill bit convenient for adjusting drilling depth |
| CN218192748U (en) * | 2022-11-07 | 2023-01-03 | 恒锋工具股份有限公司 | Deep hole bores convenient to quick assembly disassembly |
| CN218937834U (en) * | 2022-11-16 | 2023-04-28 | 蒙来苏农业科技(苏州)有限公司 | Portable sampling device for soil treatment |
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| Publication number | Publication date |
|---|---|
| CN117161446A (en) | 2023-12-05 |
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