CN219924658U - Drill bit convenient to dismouting - Google Patents
Drill bit convenient to dismouting Download PDFInfo
- Publication number
- CN219924658U CN219924658U CN202321498128.6U CN202321498128U CN219924658U CN 219924658 U CN219924658 U CN 219924658U CN 202321498128 U CN202321498128 U CN 202321498128U CN 219924658 U CN219924658 U CN 219924658U
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- drill bit
- groove
- movable
- sleeve
- sliding
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- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 8
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Abstract
The utility model discloses a drill bit convenient to disassemble and assemble, which comprises a driving shaft, a sliding structure and a drill bit body; the sliding structure comprises a connecting sleeve and a movable sleeve, wherein the bottom end of the connecting sleeve is provided with a movable groove, the movable sleeve is positioned in the movable groove, the inner side wall of the movable groove is provided with a sliding groove, the side surface of the movable sleeve is fixedly connected with a sliding block, and the sliding block is in sliding connection with the sliding groove; the movable sleeve bottom is opened there is the second draw-in groove, drill bit body top block in inside the second draw-in groove, drill bit body top side is opened there is the recess, the slider lateral surface is opened there is first screw hole, fixing bolt with screw hole threaded connection, just the fixing bolt terminal block in inside the recess. The movable sleeve can slide along the movable groove by pushing the drill bit body, so that the extending length of the drill bit body is adjusted, the drilling depth can be adjusted by controlling the extending length of the drill bit body, and the limiting plate can play a limiting role.
Description
Technical Field
The utility model relates to the technical field of drill bit application, in particular to a drill bit convenient to disassemble and assemble.
Background
The drill bit is a cutting tool used by a common drill or a drilling machine to cut circular holes; the basic principle of the drill bit is that the drill bit is used for cutting edges and rotating, cutting workpieces and removing drill cuttings by a drill groove; the common drill bit mainly comprises a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill; reamers and countersinks, although they cannot drill holes in solid materials, have traditionally been categorized as drill bits.
In the prior art, the drilling depth of a drill bit needs to be manually controlled when a common drilling machine drills holes, errors are easy to occur, the accuracy is low, and the existing drill bits are troublesome in installation and disassembly, so that the working efficiency is reduced. Therefore, a drill bit which is convenient to disassemble and assemble is provided for the problems.
Disclosure of Invention
The utility model aims to provide a drill bit convenient to assemble and disassemble, which has the advantage of simplicity in operation and solves the problem of low drilling precision of the existing drill bit.
A drill bit convenient to disassemble and assemble comprises a driving shaft, a sliding structure and a drill bit body;
the sliding structure comprises a connecting sleeve and a movable sleeve, wherein the bottom end of the connecting sleeve is provided with a movable groove, the movable sleeve is positioned in the movable groove, the inner side wall of the movable groove is provided with a sliding groove, the side surface of the movable sleeve is fixedly connected with a sliding block, and the sliding block is in sliding connection with the sliding groove; the bottom end of the movable sleeve is provided with a second clamping groove, the top end of the drill bit body is clamped in the second clamping groove, the side surface of the top end of the drill bit body is provided with a groove, the outer side surface of the sliding block is provided with a first threaded hole, a fixing bolt is in threaded connection with the threaded hole, and the tail end of the fixing bolt is clamped in the groove;
the utility model discloses a drill bit, including connecting sleeve, drill bit body, first draw-in groove, connecting sleeve top open has first draw-in groove, drive shaft end block in inside the first draw-in groove, first draw-in groove with the equal rigid coupling of second draw-in groove inner wall has the stopper, the drive shaft bottom with the drill bit body top all opens there is the spacing groove, just the stopper block in inside the spacing groove.
Further, the side surface of the top end of the connecting sleeve and the side surface of the bottom end of the driving shaft are provided with connecting holes, the fastening bolts penetrate through the connecting holes, and the tail ends of the fastening bolts are in threaded connection with fastening nuts.
Further, the cross sections of the limiting blocks and the limiting grooves are of regular hexagon structures, and the limiting blocks are matched with the limiting grooves in size.
Further, the movable sleeve is in sliding connection with the connecting sleeve, and a limiting plate is fixedly connected to the outer side face of the bottom end of the movable sleeve.
Further, two limit bolts are symmetrically distributed on the outer side of the bottom end of the connecting sleeve, a second threaded hole is formed in the outer side of the movable sleeve, and the tail ends of the limit bolts penetrate through the connecting sleeve and are in threaded connection with the second threaded hole.
Further, the number of the fixing bolts is the same as that of the limiting bolts, the two fixing bolts are symmetrically distributed on the outer side of the connecting sleeve, and the fixing bolts and the limiting bolts are distributed at intervals.
According to the embodiment of the utility model, the combined structure of the connecting sleeve and the movable sleeve is adopted, the movable sleeve can slide along the movable groove by pushing the drill bit body, so that the extension length of the drill bit body is adjusted, the drilling depth can be adjusted by controlling the extension length of the drill bit body, and the limiting plate can play a limiting role at the moment and is simpler in use.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present utility model;
FIG. 3 is a diagram illustrating a connection between a bit body and a connection sleeve according to an embodiment of the present utility model.
In the figure: 1. a drive shaft; 2. a connecting sleeve; 21. a first clamping groove; 22. a movable groove; 221. a chute; 3. a limiting plate; 4. a bit body; 41. a groove; 5. a fastening nut; 6. a fastening bolt; 7. a fixing bolt; 8. a limit bolt; 9. a movable sleeve; 91. a second clamping groove; 10. a slide block; 11. a connection hole; 12. a limiting block; 13. a limit groove; 14. a first threaded hole; 15. and a second threaded hole.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-3, a drill bit for easy assembly and disassembly comprises a driving shaft 1, a sliding structure and a drill bit body 4;
the sliding structure comprises a connecting sleeve 2 and a movable sleeve 9, wherein the bottom end of the connecting sleeve 2 is provided with a movable groove 22, the movable sleeve 9 is positioned in the movable groove 22, the inner side wall of the movable groove 22 is provided with a sliding groove 221, the side surface of the movable sleeve 9 is fixedly connected with a sliding block 10, and the sliding block 10 is in sliding connection with the sliding groove 221; the bottom end of the movable sleeve 9 is provided with a second clamping groove 91, the top end of the drill bit body 4 is clamped in the second clamping groove 91, the side surface of the top end of the drill bit body 4 is provided with a groove 41, the outer side surface of the sliding block 10 is provided with a first threaded hole 14, the fixed bolt 7 is in threaded connection with the threaded hole, and the tail end of the fixed bolt 7 is clamped in the groove 41;
the connecting sleeve 2 is provided with a first clamping groove 21 at the top end, the tail end of the driving shaft 1 is clamped in the first clamping groove 21, the first clamping groove 21 and the inner wall of the second clamping groove 91 are fixedly connected with a limiting block 12, the bottom end of the driving shaft 1 and the top end of the drill bit body 4 are provided with a limiting groove 13, and the limiting block 12 is clamped in the limiting groove 13.
The side surface of the top end of the connecting sleeve 2 and the side surface of the bottom end of the driving shaft 1 are respectively provided with a connecting hole 11, a fastening bolt 6 penetrates through the connecting holes 11, and the tail end of the fastening bolt 6 is in threaded connection with a fastening nut 5; the cross sections of the limiting block 12 and the limiting groove 13 are of regular hexagon structures, and the sizes of the limiting block 12 and the limiting groove 13 are matched; the movable sleeve 9 is in sliding connection with the connecting sleeve 2, and a limiting plate 3 is fixedly connected to the outer side surface of the bottom end of the movable sleeve 9; two limit bolts 8 are symmetrically distributed on the outer side of the bottom end of the connecting sleeve 2, a second threaded hole 15 is formed on the outer side of the movable sleeve 9, and the tail end of each limit bolt 8 penetrates through the connecting sleeve 2 and is in threaded connection with the corresponding second threaded hole 15; the number of the fixing bolts 7 is the same as that of the limit bolts 8, the two fixing bolts 7 are symmetrically distributed on the outer side of the connecting sleeve 2, and the fixing bolts 7 and the limit bolts 8 are distributed at intervals.
When the connecting sleeve is used, firstly, the top end of the connecting sleeve 2 is sleeved at the bottom end of the driving shaft 1, at the moment, the limiting groove 13 at the bottom end of the driving shaft 1 is clamped on the surface of the limiting block 12 in the first clamping groove 21, and meanwhile, the fastening bolt 6 passes through the connecting hole 11 and the fastening nut 5 is screwed and screwed tightly, so that the driving shaft 1 and the connecting sleeve 2 are fixed; then, the top end of the drill bit body 4 is clamped in the second clamping groove 91, at this time, the limiting groove 13 at the top end of the drill bit body 4 is clamped on the surface of the limiting block 12 in the second clamping groove 91, and then the fixing bolt 7 is screwed and screwed with the first threaded hole 14 until the tail end of the fixing bolt 7 is clamped in the groove 41, so that the drill bit body 4 and the connecting sleeve 2 are fixed;
then pushing the drill bit body 4 to enable the movable sleeve 9 to slide along the movable groove 22 so as to adjust the extension length of the drill bit body 4, screwing the limit bolt 8 with the second threaded hole 15, and at the moment, the tail end of the limit bolt 8 is clamped on the side surface of the movable sleeve 9 so as to fix the movable sleeve 9; finally, the drill bit body 4 can be driven to rotate through the driving shaft 1, the drilling depth can be adjusted by controlling the extending length of the drill bit body 4, and the limiting plate 12 can play a limiting role, so that the drill bit is simpler in use.
The utility model has the advantages that:
1. the drill bit adopts the combined structure of the connecting sleeve and the movable sleeve, the movable sleeve can slide along the movable groove by pushing the drill bit body, so that the extension length of the drill bit body is adjusted, and the drilling depth can be adjusted by controlling the extension length of the drill bit body, so that the limiting plate can play a limiting role, and the drill bit is simpler in use and higher in precision;
2. the drill bit can be directly clamped in the second clamping groove, the limiting block is clamped in the limiting groove, so that the rapid positioning function is realized, the fixing bolt can be screwed with the first threaded hole, the tail end of the fixing bolt is clamped in the groove, the drill bit body and the connecting sleeve are fixed, and the drill bit is easy to assemble and disassemble.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Drill bit convenient to dismouting, its characterized in that: comprises a driving shaft (1), a sliding structure and a drill bit body (4);
the sliding structure comprises a connecting sleeve (2) and a movable sleeve (9), wherein a movable groove (22) is formed in the bottom end of the connecting sleeve (2), the movable sleeve (9) is positioned in the movable groove (22), a sliding groove (221) is formed in the inner side wall of the movable groove (22), a sliding block (10) is fixedly connected to the side face of the movable sleeve (9), and the sliding block (10) is in sliding connection with the sliding groove (221); the bottom end of the movable sleeve (9) is provided with a second clamping groove (91), the top end of the drill bit body (4) is clamped in the second clamping groove (91), the side surface of the top end of the drill bit body (4) is provided with a groove (41), the outer side surface of the sliding block (10) is provided with a first threaded hole (14), the fixing bolt (7) is in threaded connection with the threaded hole, and the tail end of the fixing bolt (7) is clamped in the groove (41);
the utility model discloses a drill bit, including drill bit body (4), connecting sleeve (2), drive shaft (1), first draw-in groove (21) are opened on connecting sleeve (2) top, drive shaft (1) terminal block in inside first draw-in groove (21), first draw-in groove (21) with all rigid coupling of second draw-in groove (91) inner wall has stopper (12), drive shaft (1) bottom with spacing groove (13) are all opened on drill bit body (4) top, just stopper (12) block in inside spacing groove (13).
2. The drill bit of claim 1, wherein the drill bit is easy to assemble and disassemble, and wherein:
the connecting sleeve (2) top side and the driving shaft (1) bottom side are both provided with connecting holes (11), the fastening bolts (6) penetrate through the connecting holes (11), and the tail ends of the fastening bolts (6) are in threaded connection with fastening nuts (5).
3. The drill bit of claim 1, wherein the drill bit is easy to assemble and disassemble, and wherein:
the cross sections of the limiting blocks (12) and the limiting grooves (13) are of regular hexagon structures, and the limiting blocks (12) are matched with the limiting grooves (13) in size.
4. The drill bit of claim 1, wherein the drill bit is easy to assemble and disassemble, and wherein:
the movable sleeve (9) is in sliding connection with the connecting sleeve (2), and the limiting plate (3) is fixedly connected to the outer side face of the bottom end of the movable sleeve (9).
5. The drill bit of claim 1, wherein the drill bit is easy to assemble and disassemble, and wherein:
two limit bolts (8) are symmetrically distributed outside the bottom end of the connecting sleeve (2), a second threaded hole (15) is formed in the outer side of the movable sleeve (9), and the tail end of each limit bolt (8) penetrates through the connecting sleeve (2) and is in threaded connection with the corresponding second threaded hole (15).
6. The easy-to-disassemble drill bit of claim 5, wherein:
the fixing bolts (7) are the same as the limit bolts (8) in number, the two fixing bolts (7) are symmetrically distributed on the outer side of the connecting sleeve (2), and the fixing bolts (7) are distributed at intervals with the limit bolts (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321498128.6U CN219924658U (en) | 2023-06-13 | 2023-06-13 | Drill bit convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321498128.6U CN219924658U (en) | 2023-06-13 | 2023-06-13 | Drill bit convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219924658U true CN219924658U (en) | 2023-10-31 |
Family
ID=88487448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321498128.6U Active CN219924658U (en) | 2023-06-13 | 2023-06-13 | Drill bit convenient to dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219924658U (en) |
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2023
- 2023-06-13 CN CN202321498128.6U patent/CN219924658U/en active Active
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