CN215966497U - Combined type hole expanding drill bit - Google Patents
Combined type hole expanding drill bit Download PDFInfo
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- CN215966497U CN215966497U CN202122077508.XU CN202122077508U CN215966497U CN 215966497 U CN215966497 U CN 215966497U CN 202122077508 U CN202122077508 U CN 202122077508U CN 215966497 U CN215966497 U CN 215966497U
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Abstract
The utility model discloses a combined type hole expanding drill bit which comprises a drill bit body, wherein a fixed sleeve is arranged outside the drill bit body, two sides of the top end of the drill bit body are fixedly connected with second fixed blocks, the bottom end of each second fixed block is fixedly connected with a second connecting block, two sides of the bottom end of the fixed sleeve are fixedly connected with first fixed blocks, and assembling holes are formed in the first fixed blocks. This combination formula reamer bit is through being provided with parts such as fixed plate, first connecting block inlays in the inside of fixed slot rotatable, when the drill bit body finishes using and when fixed cover is inside to be accomodate, can rotate the fixed plate, at rotatory in-process, the inside fixed connection's through the fixed plate clean the brush, can clean the sweeps of drill bit body the place ahead spiral department, make its drill bit body all can keep clean before using at every turn, need not to carry out the secondary and clean, be suitable for more when using like this, the problem of being not convenient for carry out cleanly to the sweeps that drill bit spiral department produced has been solved.
Description
Technical Field
The utility model relates to the technical field of reamer bits, in particular to a combined reamer bit.
Background
The reaming bit is a bit for enlarging drilled holes, and is usually used when a workpiece is machined, and has the advantages of good guiding effect and the like, the conventional combined reaming bit is inconvenient for cleaning scraps generated at the spiral part of the bit, so that the combined reaming bit needs to be cleaned in advance when used every time, and is troublesome; when the drill bit body is not used, potential safety hazards are easy to generate due to the fact that the drill bit body is relatively sharp; meanwhile, the drill bit is inconvenient to replace, and is troublesome to disassemble and install, so that the combined type reaming drill bit needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combined type hole expanding drill bit, which solves the problem that the waste scraps generated at the spiral part of the drill bit are inconvenient to clean in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a modular reamer bit, includes the drill bit body, the outside of drill bit body is provided with fixed cover, the both sides fixedly connected with second fixed block on drill bit body top, the bottom fixedly connected with second connecting block of second fixed block, the first fixed block of both sides fixedly connected with of fixed cover bottom, the inside of first fixed block is provided with the pilot hole, fastening nut has been cup jointed in the outside activity of second connecting block bottom, the both sides of fixed cover are provided with the preformed groove, the top swing joint of fixed cover has fixed lid, the bottom of fixed cover is provided with the fixed plate.
Preferably, the first connecting block of top fixedly connected with of fixed plate, the inside of fixed cover bottom is provided with the fixed slot, the clean brush of inside fixedly connected with of fixed plate, the fixed plate is circular, first connecting block inlays in the inside of fixed slot rotatable.
Preferably, the outside diameter of drill bit body is less than the inside diameter of fixed cover, the drill bit body inlays the inside scalable of fixed cover, the top of fixed cover inner wall is provided with the internal thread.
Preferably, the second fixed block is embedded in the preformed groove and can slide, and the positions of the second fixed block and the first fixed block are matched.
Preferably, the inner diameter of the fixed cover is larger than the outer diameter of the fixed sleeve, and the fixed cover is clamped at the top of the fixed sleeve and can be detached.
Preferably, the assembly hole is matched with the second connecting block in position, and an external thread is arranged outside the bottom end of the second connecting block.
Preferably, the second connecting block is embedded in the assembling hole and is detachable from the first fixing block through a fastening nut.
Compared with the prior art, the utility model has the beneficial effects that: the combined type hole expanding drill bit not only realizes the convenience of cleaning the waste scraps generated at the spiral part of the drill bit, realizes the safety of the drill bit body in use, but also realizes the convenience of the disassembly and the assembly of the drill bit body;
(1) by arranging the fixed plate, the fixed groove, the first connecting block and the cleaning brush, the first connecting block is fixedly connected to the top end of the fixed plate, the fixed groove is formed in the bottom end of the fixed sleeve, the first connecting block is embedded in the fixed groove and can rotate, when the drill bit body is stored in the fixed sleeve after being used, the fixed plate can rotate, and in the rotating process, the cleaning brush fixedly connected to the inside of the fixed plate can clean scraps at the spiral position in front of the drill bit body, so that the drill bit body can be kept clean before being used every time without secondary cleaning, and the drill bit is more suitable for use;
(2) through the arrangement of the preformed groove, the fixing sleeve and the second fixing block, the drill body is embedded in the fixing sleeve because the diameter of the outer part of the drill body is smaller than that of the inner part of the fixing sleeve, and the second fixing block can slide in the preformed groove, so that the drill body can be accommodated in the fixing sleeve under the condition that the drill is not used, the problem that workers are accidentally injured due to the fact that the outer part of the drill body is sharp is avoided, and the safety of the drill body in use is improved;
(3) through being provided with fastening nut, first fixed block, the second connecting block, because of the position of pilot hole and second connecting block is identical, when using, can slide the second fixed block to the bottom of fixed cover along the preformed groove, insert the pilot hole in the second connecting block that closes into in the first fixed block bottom, later be provided with the external screw thread because of the outside of second connecting block bottom, can twist fastening nut soon with it fixed, can drill the use, later when needs are dismantled, twist fastening nut soon and open, open fixed lid again, can break away from between drill bit body and the fixed cover, make it more convenient, swift when the installation is dismantled.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the connection between the fixing cover and the fixing sleeve according to the present invention;
FIG. 3 is a schematic top view of the connection between the cleaning brush and the fixing plate according to the present invention;
FIG. 4 is a front view of the drill body and the fixing sleeve of the present invention.
In the figure: 1. a drill bit body; 2. a fixing plate; 3. fastening a nut; 4. a first fixed block; 5. a second fixed block; 6. reserving a groove; 7. fixing a sleeve; 8. a fixed cover; 9. fixing grooves; 10. an assembly hole; 11. a first connection block; 12. a second connecting block; 13. the brush is cleaned.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-4, a combined reaming drill bit comprises a drill bit body 1, wherein a fixed sleeve 7 is arranged outside the drill bit body 1, second fixed blocks 5 are fixedly connected to two sides of the top end of the drill bit body 1, second connecting blocks 12 are fixedly connected to the bottom ends of the second fixed blocks 5, first fixed blocks 4 are fixedly connected to two sides of the bottom end of the fixed sleeve 7, assembling holes 10 are formed in the first fixed blocks 4, fastening nuts 3 are movably sleeved on the outer portions of the bottom ends of the second connecting blocks 12, reserved grooves 6 are formed in two sides of the fixed sleeve 7, a fixed cover 8 is movably connected to the top end of the fixed sleeve 7, and a fixed plate 2 is arranged at the bottom end of the fixed sleeve 7.
The top end of the fixed plate 2 is fixedly connected with a first connecting block 11, the inside of the bottom end of the fixed sleeve 7 is provided with a fixed groove 9, the inside of the fixed plate 2 is fixedly connected with a cleaning brush 13, the fixed plate 2 is circular, and the first connecting block 11 is embedded in the fixed groove 9 and can rotate;
specifically, as shown in fig. 1 and 3, because of the first connecting block 11 of the top fixedly connected with of fixed plate 2, the inside of fixed cover 7 bottom is provided with fixed slot 9, first connecting block 11 inlays in the inside of fixed slot 9 rotatable, when taking in to fixed cover 7 inside after drill bit body 1 finishes using, can rotate fixed plate 2, at rotatory in-process, through fixed connection's of fixed plate 2 cleaning brush 13, can clean the sweeps of drill bit body 1 place ahead spiral department, make its drill bit body 1 all can keep clean before using at every turn, need not to carry out the secondary cleaning, thus be more suitable for when using.
Example 2: the diameter of the outer part of the drill bit body 1 is smaller than that of the inner part of the fixing sleeve 7, the drill bit body 1 is embedded in the fixing sleeve 7 and can stretch, and the top end of the inner wall of the fixing sleeve 7 is provided with internal threads;
the second fixed block 5 is embedded in the reserved groove 6 and can slide, and the positions of the second fixed block 5 and the first fixed block 4 are matched;
specifically, as shown in fig. 1, fig. 2 and fig. 4, because of the outside diameter of drill body 1 is less than the inside diameter of fixed cover 7, drill body 1 inlays in the inside of fixed cover 7, through the inside slidable relation of second fixed block 5 in reserve groove 6 for can accomodate into the inside of fixed cover 7 with drill body 1 under the condition that drill body 1 does not use, avoid producing because of the comparatively sharp problem of accidentally injuring the staff in drill body 1 outside, the security of drill body 1 when using has been improved.
Example 3: the inner diameter of the fixed cover 8 is larger than the outer diameter of the fixed sleeve 7, and the fixed cover 8 is clamped at the top of the fixed sleeve 7 and can be detached;
the positions of the assembly hole 10 and the second connecting block 12 are matched, and external threads are arranged outside the bottom end of the second connecting block 12;
the second connecting block 12 is embedded in the assembling hole 10, and the second connecting block 12 is detachable from the first fixing block 4 through the fastening nut 3;
specifically, as shown in fig. 1, 2 and 4, since the positions of the assembly holes 10 and the second connection blocks 12 are matched, when the drill bit is used, the second fixing block 5 can slide to the bottom of the fixing sleeve 7 along the preformed groove 6, the second connection blocks 12 at the bottom of the second fixing block 5 are inserted into the assembly holes 10 in the first fixing block 4, then the fastening nuts 3 can be screwed and fixed by external threads arranged outside the bottom ends of the second connection blocks 12, so that the drill bit can be used for drilling, and then when the drill bit is required to be disassembled, the fastening nuts 3 are screwed and opened, and then the fixing covers 8 are opened, so that the drill bit body 1 and the fixing sleeve 7 can be separated from each other, and the installation and the disassembly are more convenient and faster.
The working principle is as follows: when the utility model is used, firstly, because the positions of the assembly holes 10 and the second connecting blocks 12 are matched, when in use, the second fixing block 5 can slide to the bottom of the fixing sleeve 7 along the preformed groove 6, the second connecting blocks 12 at the bottom of the second fixing block 5 are inserted into the assembly holes 10 in the first fixing block 4, then, because the outer part of the bottom end of the second connecting blocks 12 is provided with external threads, the fastening nut 3 can be screwed and fixed, and then, the drill can be used for drilling, because the diameter of the outer part of the drill body 1 is smaller than that of the inner part of the fixing sleeve 7, the drill body 1 is embedded in the fixing sleeve 7, through the slidable relation of the second fixing blocks 5 in the preformed groove 6, the drill body 1 can be accommodated in the inner part of the fixing sleeve 7, the problem that workers are accidentally injured due to the sharper outer part of the drill body 1 is avoided, and the safety of the drill body 1 is improved when in use, after finishing using, because of the first linkage block 11 of the top fixedly connected with of fixed plate 2, the inside of fixed cover 7 bottom is provided with fixed slot 9, first linkage block 11 inlays in the inside of fixed slot 9 and is rotatable, when fixed cover 7 is inside to be accomodate after drill bit body 1 finishes using, can rotate fixed plate 2, at rotatory in-process, cleaning brush 13 through the inside fixed connection of fixed plate 2, can clean the sweeps of 1 the place ahead spiral department of drill bit body, make its drill bit body 1 all can keep clean before using at every turn, need not to carry out the secondary and clean, finally, when needs are dismantled, twist fastening nut 3 soon and open, reopen fixed cover 8, can break away from between drill bit body 1 and the fixed cover 7, make it more convenient when the installation is dismantled, and is swift.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a modular reamer bit, includes drill bit body (1), its characterized in that: the outside of drill bit body (1) is provided with fixed cover (7), the both sides fixedly connected with second fixed block (5) on drill bit body (1) top, the bottom fixedly connected with second connecting block (12) of second fixed block (5), the first fixed block of both sides fixedly connected with (4) of fixed cover (7) bottom, the inside of first fixed block (4) is provided with pilot hole (10), fastening nut (3) have been cup jointed in the outside activity of second connecting block (12) bottom, the both sides of fixed cover (7) are provided with preformed groove (6), the top swing joint of fixed cover (7) has fixed lid (8), the bottom of fixed cover (7) is provided with fixed plate (2).
2. A combination reamer bit according to claim 1, wherein: the utility model discloses a brush, including fixed cover (7), fixed cover (2), the inside of fixed cover (7) bottom is provided with fixed slot (9), the inside fixedly connected with cleaning brush (13) of fixed plate (2), fixed plate (2) are circular, it is rotatable that first connecting block (11) are inlayed in the inside of fixed slot (9).
3. A combination reamer bit according to claim 1, wherein: the outside diameter of drill bit body (1) is less than the inside diameter of fixed cover (7), drill bit body (1) inlays the inside scalable of fixed cover (7), the top of fixed cover (7) inner wall is provided with the internal thread.
4. A combination reamer bit according to claim 1, wherein: the second fixing block (5) is embedded in the reserved groove (6) and can slide, and the positions of the second fixing block (5) and the first fixing block (4) are matched.
5. A combination reamer bit according to claim 1, wherein: the internal diameter of the fixed cover (8) is larger than the external diameter of the fixed cover (7), and the fixed cover (8) is clamped at the top of the fixed cover (7) and can be detached.
6. A combination reamer bit according to claim 1, wherein: the positions of the assembly holes (10) are matched with those of the second connecting block (12), and external threads are arranged outside the bottom end of the second connecting block (12).
7. A combination reamer bit according to claim 1, wherein: the second connecting block (12) is embedded in the assembling hole (10), and the second connecting block (12) is detachable between the fastening nut (3) and the first fixing block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077508.XU CN215966497U (en) | 2021-08-31 | 2021-08-31 | Combined type hole expanding drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077508.XU CN215966497U (en) | 2021-08-31 | 2021-08-31 | Combined type hole expanding drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215966497U true CN215966497U (en) | 2022-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122077508.XU Active CN215966497U (en) | 2021-08-31 | 2021-08-31 | Combined type hole expanding drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215966497U (en) |
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2021
- 2021-08-31 CN CN202122077508.XU patent/CN215966497U/en active Active
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