CN220330057U - Combined drill bit device with multi-stage drill bit - Google Patents
Combined drill bit device with multi-stage drill bit Download PDFInfo
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- CN220330057U CN220330057U CN202321474550.8U CN202321474550U CN220330057U CN 220330057 U CN220330057 U CN 220330057U CN 202321474550 U CN202321474550 U CN 202321474550U CN 220330057 U CN220330057 U CN 220330057U
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- drill bit
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- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of drill bits and discloses a combined drill bit device with a multi-stage drill bit. The combined drill bit device with the multi-stage drill bit solves the problems that the combined drill bit device is more troublesome in alternative replacement in the use process, and is more complex in structure and easy to damage, so that the drill bit device cannot be normally used, or when the drill bit device is used for a long time, the drill bit device is severely worn, but a drill rod mechanism can still be normally used, and the drill bit mechanism cannot be independently replaced.
Description
Technical Field
The utility model relates to the technical field of drill bits, in particular to a combined drill bit device with a multi-stage drill bit.
Background
The drill bit is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Common drill bits are mainly twist drills, flat drills, center drills, deep drills and trepanning drills. Reamers and countersinks, although they cannot drill solid materials, have traditionally been categorized as drill bits;
through retrieval, china issued patent publication No. CN217858949U, issued patent publication No. 2022-11-22, discloses and authorizes a combined drill bit device with a multi-stage drill bit, and the combined drill bit device comprises an outer drill bit, wherein an inner drill bit is connected inside the outer drill bit in a sliding manner, a drill point is fixed at the bottom end of the inner drill bit, a chamfer is arranged at the bottom end of the outer drill bit, the taper of the chamfer is matched with the taper of the drill point, the top surface of the drill point is exactly on the same plane with the bottom surface of the chamfer when the inner drill bit is completely inserted into the outer drill bit, chip grooves are formed outside the outer drill bit and the inner drill bit, and a wedge block is fixed at the top end of the outer drill bit; through the mutual matching of the outer drill blade and the inner drill blade, if the inner drill blade is required to be pulled out from the inner part of the outer drill blade by staff to drill, and if the inner drill blade is required to drill by the drill blade with a larger diameter, the inner drill blade is only required to be plugged into the inner part of the outer drill blade, so that the effect of rapidly switching the drill bits with different diameters according to the use requirement is achieved;
with respect to the above description, the applicant believes that the following problems exist:
at present, the utility model usually completes the alternate replacement of the multi-stage drill bit through the combined action of the reset spring, the limit groove and the limit sliding block, the alternate replacement is more troublesome, the structure is more complex, the damage is easy to occur, and the drill bit mechanism cannot be normally used, or the utility model generally adopts the fixed integrated connection between the drill bit mechanism and the drill rod mechanism in the use process, when the drill bit device is used for a long time, the drill bit mechanism can be severely worn, but the drill rod mechanism can still be normally used, and the drill bit mechanism cannot be independently replaced, so the utility model needs to be changed into and out of a combined drill bit device with multi-stage drill bit to solve the problems.
Disclosure of Invention
The present utility model is directed to a combination drill device with multiple stages of drills, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination drill bit device with multistage drill bit, includes first drill bit subassembly, first drill bit subassembly includes first drilling rod and first screw, and first screw runs through the setting in first drilling rod peripheral surface one end, first screw female connection has first knob bolt, and the outer lower part grafting of first drill bit subassembly is connected with drill bit mechanism.
Preferably, the drill bit mechanism comprises a second drill bit body and an annular insert, and the annular insert is fixedly connected to the edge of one side surface of the second drill bit body; the second bit body is conveniently connected in the annular groove in a plugging manner by the annular plug.
Preferably, a circular block is fixedly connected to the surface of one side of the second drill bit body at the position of the inner ring of the annular insert, and strip-shaped clamping blocks are uniformly and fixedly connected to the peripheral surface of the circular block, wherein the number of the strip-shaped clamping blocks is four; the strip-shaped clamping blocks are arranged, so that the clamping connection is convenient to connect in the strip-shaped clamping grooves, and the surface drill bit mechanism is disassembled and assembled.
Preferably, the middle part of the surface of one end of the first drill rod is fixedly connected with a hexagonal rod, a second screw hole is formed in the middle part of the surface of one side of the hexagonal rod in a penetrating manner, a second knob bolt is connected in the second screw hole in a threaded manner, and the other end of the first drill rod is connected with a first drill bit body in a plug-in manner; the second drill bit body is convenient for drill holes on the processed workpiece.
Preferably, the first drill bit assembly is externally sleeved with a second drill bit assembly, the second drill bit assembly comprises a second drill rod and a jack, and the jack is arranged at one end of the peripheral surface of the second drill rod in a penetrating manner; the insertion of the first bolt is facilitated by the arranged jack.
Preferably, one end of the peripheral surface of the second drill rod is fixedly connected with a baffle, and the number of the baffle is one; the baffle is arranged, so that the depth of the second drill rod is conveniently limited.
Preferably, an annular groove is formed in the middle of the surface of the other end of the second drill rod, and strip-shaped clamping grooves are uniformly formed in the inner peripheral surface of the other end of the second drill rod, wherein the number of the strip-shaped clamping grooves is four; the strip-shaped clamping grooves are arranged, so that clamping of the strip-shaped clamping blocks is facilitated, and the drill bit mechanism of the plug-in connection is guaranteed not to rotate during drilling.
Compared with the prior art, the utility model provides a combined drill bit device with a multi-stage drill bit, which has the following beneficial effects:
1. the combined drill bit device with the multi-stage drill bit has the effect of being convenient for replacing the multi-stage drill bit alternately through the first drill bit component, and solves the problems that the multi-stage drill bit is replaced alternately and is more troublesome due to the fact that the reset spring, the limiting groove and the limiting sliding block commonly act together in the use process, the structure of the combined drill bit device is more complex, the structure of the combined drill bit device is easy to damage, and the drill bit mechanism cannot be used normally.
2. The combined drill bit device with the multi-stage drill bit has the effect of being convenient for independently replacing the drill bit through the arranged drill bit mechanism, and solves the problems that the drill bit mechanism and the drill rod mechanism are generally connected in a fixed integrated mode in the use process, when the drill bit device is used for a long time, the drill bit mechanism is severely worn, but the drill rod mechanism can still be normally used, and the drill bit mechanism cannot be independently replaced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a second drill bit assembly according to the present utility model;
FIG. 3 is a schematic view of a first drill bit assembly according to the present utility model;
fig. 4 is a schematic view of a drill bit assembly according to the present utility model.
In the figure: 1. a first drill bit assembly; 11. a first drill pipe; 111. a first screw hole; 12. a hexagonal rod; 121. a second screw hole; 13. a first bit body; 2. a second bit assembly; 21. a second drill rod; 211. a jack; 212. an annular groove; 213. a strip-shaped clamping groove; 22. a baffle; 3. a drill bit mechanism; 31. a second bit body; 32. a circular block; 33. a bar-shaped clamping block; 34. an annular insert; 4. a first knob bolt; 5. and a second knob bolt.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. 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.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: the combined drill bit device with the multi-stage drill bit comprises a first drill bit assembly 1, wherein the first drill bit assembly 1 comprises a first drill rod 11 and a first screw hole 111, the first screw hole 111 is arranged at one end of the peripheral surface of the first drill rod 11 in a penetrating mode, a first knob bolt 4 is connected in the first screw hole 111 in a threaded mode, and a drill bit mechanism 3 is connected to the outer lower portion of the first drill bit assembly 1 in a plug-in mode; the middle part of the surface of one end of the first drill rod 11 is fixedly connected with a hexagonal rod 12, a second screw hole 121 is formed in the middle part of the surface of one side of the hexagonal rod 12 in a penetrating manner, a second knob bolt 5 is connected in the second screw hole 121 in a threaded manner, and the other end of the first drill rod 11 is connected with a first drill bit body 13 in a plug-in manner; specifically, when the first drill bit assembly 1 and the external driving mechanism are required to be structurally connected, only the hexagonal rod 12 is required to be inserted into the adaptive hexagonal groove arranged on the output shaft of the external driving motor, then the second knob bolt 5 is inserted through the insertion hole 211 on the output shaft of the driving motor, and finally the second knob bolt 5 is screwed into the second screw hole 121, otherwise, the first knob bolt and the external driving mechanism are detached.
Further, the first drill bit assembly 1 is externally sleeved with the second drill bit assembly 2, the second drill bit assembly 2 comprises a second drill rod 21 and a jack 211, and the jack 211 is arranged at one end of the peripheral surface of the second drill rod 21 in a penetrating manner; a baffle 22 is fixedly connected to one end of the peripheral surface of the second drill rod 21, and the number of the baffle 22 is one; an annular groove 212 is formed in the middle of the surface of the other end of the second drill rod 21, and strip-shaped clamping grooves 213 are uniformly formed in the inner peripheral surface of the other end of the second drill rod 21, wherein the number of the strip-shaped clamping grooves 213 is four; specifically, when the drill mechanism 3 and the second drill assembly 2 are required to be structurally connected, the annular insert 34 is only required to be inserted into the annular groove 212, the bar-shaped clamping block 33 is clamped and connected in the bar-shaped clamping groove 213, and otherwise, the two are required to be disassembled.
Embodiment two:
referring to fig. 4, in combination with the first embodiment, further obtained is that the drill mechanism 3 includes a second drill body 31 and an annular insert 34, and the annular insert 34 is fixedly connected to a side surface edge of the second drill body 31; the surface of one side of the second drill body 31 is fixedly connected with a circular block 32 at the position of the inner ring of the annular insert 34, the circumferential surface of the circular block 32 is uniformly and fixedly connected with strip-shaped clamping blocks 33, and the number of the strip-shaped clamping blocks 33 is four.
Working principle: when the multi-stage drill bit combined drill bit device is used for replacing a drill bit, the first knob bolt 4 is firstly screwed off anticlockwise, then the second drill bit assembly 2 can be pulled out of the first drill bit assembly 1, so that a workpiece can be drilled by using the first drill bit assembly 1, otherwise, the second drill bit assembly 2 can be drilled by using the second drill bit assembly 2, the first drill bit assembly 1 and the second drill bit assembly 2 are convenient and quick to assemble and disassemble, when the drill bit mechanism 3 is required to be replaced, only tools are required to be clamped at a connecting gap between the drill bit mechanism 3 and the second drill bit assembly 2, then related tools are used for knocking, the second drill bit assembly 2 and the drill bit mechanism 3 can be disassembled, otherwise, the bar-shaped clamping blocks 33 are aligned to the bar-shaped clamping grooves 213, the annular plug 34 is aligned to the annular grooves 212, and then the heads of the drill bit mechanism 3 are knocked by using hammers, so that the drill bit mechanism 3 and the second drill bit assembly 2 can be installed.
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 one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The utility model provides a combination drill bit device with multistage drill bit, its characterized in that includes first drill bit subassembly (1), first drill bit subassembly (1) include first drilling rod (11) and first screw (111), and first screw (111) run through and set up in first drilling rod (11) peripheral surface one end, first screw (111) internal thread is connected with first knob bolt (4), and the outer lower part grafting of first drill bit subassembly (1) is connected with drill bit mechanism (3).
2. A combination drill bit assembly with a multi-stage drill bit according to claim 1, characterized in that the drill bit mechanism (3) comprises a second drill bit body (31) and an annular insert (34), and that the annular insert (34) is fixedly connected to a side surface edge of the second drill bit body (31).
3. The combination drill bit device with the multi-stage drill bit according to claim 2, wherein a circular block (32) is fixedly connected to one side surface of the second drill bit body (31) at the inner ring position of the annular insert (34), and strip-shaped clamping blocks (33) are uniformly and fixedly connected to the peripheral surface of the circular block (32), and the number of the strip-shaped clamping blocks (33) is four.
4. The combined drill bit device with the multi-stage drill bit according to claim 1, wherein a hexagonal rod (12) is fixedly connected to the middle of one end surface of the first drill rod (11), a second screw hole (121) is formed in the middle of one side surface of the hexagonal rod (12) in a penetrating mode, a second knob bolt (5) is connected to the second screw hole (121) in an internal threaded mode, and a first drill bit body (13) is connected to the other end of the first drill rod (11) in a plug-in mode.
5. The combination drill bit device with the multi-stage drill bit according to claim 1, wherein the first drill bit assembly (1) is externally sleeved with the second drill bit assembly (2), the second drill bit assembly (2) comprises a second drill rod (21) and a jack (211), and the jack (211) is penetratingly arranged at one end of the peripheral surface of the second drill rod (21).
6. The combination bit assembly with multiple stage drill bit according to claim 5, wherein one end of the peripheral surface of the second drill rod (21) is fixedly connected with a baffle (22), and the number of the baffle (22) is one.
7. The combination drill bit device with the multi-stage drill bit according to claim 5, wherein an annular groove (212) is formed in the middle of the surface of the other end of the second drill rod (21), and strip-shaped clamping grooves (213) are uniformly formed in the inner peripheral surface of the other end of the second drill rod (21), and the number of the strip-shaped clamping grooves (213) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474550.8U CN220330057U (en) | 2023-06-09 | 2023-06-09 | Combined drill bit device with multi-stage drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474550.8U CN220330057U (en) | 2023-06-09 | 2023-06-09 | Combined drill bit device with multi-stage drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220330057U true CN220330057U (en) | 2024-01-12 |
Family
ID=89443954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474550.8U Active CN220330057U (en) | 2023-06-09 | 2023-06-09 | Combined drill bit device with multi-stage drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220330057U (en) |
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2023
- 2023-06-09 CN CN202321474550.8U patent/CN220330057U/en active Active
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