CN220241771U - Self-locking hexagonal handle counter bore drill - Google Patents
Self-locking hexagonal handle counter bore drill Download PDFInfo
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- CN220241771U CN220241771U CN202320849782.0U CN202320849782U CN220241771U CN 220241771 U CN220241771 U CN 220241771U CN 202320849782 U CN202320849782 U CN 202320849782U CN 220241771 U CN220241771 U CN 220241771U
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- taper hole
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- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses a self-locking hexagonal handle counter bore drill, which comprises a handle, wherein a self-locking component is arranged on the right side of the handle, a cutter body is arranged on the right side of the self-locking component, a cutting blade is fixedly connected to the right side of the cutter body, a center drill is arranged on the right side of the cutting blade, the self-locking component consists of a center drill chuck, an internal thread, a locking taper hole, straight knurls and external threads, the center drill chuck is sleeved on the surface of the center drill, the internal thread is arranged on the left side of an inner cavity of the self-locking component, the locking taper hole is arranged on the right side of the internal thread, and the straight knurls are arranged on the left side of the surface of the self-locking component. The self-locking hexagonal handle counter bore drill changes the phenomena of single traditional design, incapability of being quickly adjusted and easiness in abrasion, adopts a plurality of high-strength structures to be matched for use, is not single in design, can be quickly adjusted, does not have abrasion phenomenon, and does not influence the service life of the counter bore drill.
Description
Technical Field
The utility model relates to the technical field of cutting tools for producing and manufacturing counter bores, in particular to a self-locking hexagonal handle countersink drill.
Background
Furniture is indispensable for new house decoration, various wardrobes, cabinets, television cabinets, beds and the like are spliced by wood boards, and the spliced wood boards need connecting tools, wherein the simplest and most rapid are self-tapping screws; the self-tapping screw can be installed quickly only by processing a counter bore in the wood board in advance, and the attractive effect can be achieved; the sinking hole drill is used as an important cutter for processing the counter bore of the self-tapping screw, and has wide application in the home-use industry.
The countersink drill is a cutter for processing countersinks, but the existing countersink drill has the defects of single design, incapability of being quickly adjusted and easy abrasion phenomenon, and the service life of the countersink drill cannot be guaranteed after long time.
Therefore, the self-locking hexagonal handle counter bore drill needs to be designed and modified, so that the phenomena that the design is single, the quick adjustment cannot be realized, and the abrasion can be easily caused are effectively prevented.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide the self-locking hexagonal handle countersink drill which has the advantages of being capable of being quickly adjusted, durable and stable in processing, and solves the problems that the design is single, the quick adjustment is not realized, and the abrasion is easy to occur.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-locking hexagonal handle counter bore drill comprises a cutter handle, wherein a self-locking assembly is arranged on the right side of the cutter handle, a cutter body is arranged on the right side of the self-locking assembly, a cutting blade is fixedly connected on the right side of the cutter body, and a center drill is arranged on the right side of the cutting blade.
As the preferable mode of the utility model, the self-locking assembly consists of a central drill chuck, an internal thread, a locking taper hole, straight knurling and external threads, wherein the central drill chuck is sleeved on the surface of the central drill, the internal thread is arranged on the left side of an inner cavity of the self-locking assembly, the locking taper hole is arranged on the right side of the internal thread, the straight knurling is arranged on the left side of the surface of the self-locking assembly, the external threads are arranged on the right side of the locking taper hole, the external threads are screwed into the internal threads through mechanical force, and the left side of the central drill chuck penetrates into the locking taper hole.
Preferably, the surface of the central drill is provided with junk slots, and the junk slots are matched with the central drill for use.
Preferably, the cutting insert is made of ultra-fine grain cemented carbide and is welded to the right side of the cutter body by high frequency welding.
As the preferable material of the center drill is the high-speed steel twist drill, and the center drill is convenient to replace.
As the preferable shape of the cutter handle is hexagonal, the cutter handle can meet the requirements of different types of electric tools.
Compared with the prior art, the utility model has the following beneficial effects:
1. the self-locking hexagonal handle counter bore drill changes the phenomena of single traditional design, incapability of being quickly adjusted and easiness in abrasion, adopts a plurality of high-strength structures to be matched for use, is not single in design, can be quickly adjusted, does not have abrasion phenomenon, and does not influence the service life of the counter bore drill.
2. According to the self-locking device, through the arrangement of the central drill chuck, the internal threads, the locking taper holes, the straight knurls and the external threads, the self-locking capability of the self-locking assembly is stronger, and the integral use effect is improved.
Drawings
Fig. 1 is a front view of a novel self-locking hexagonal handle countersink drill:
FIG. 2 is a view of a novel self-locking hex shank counterbore drill clamping portion:
fig. 3 is a view of a novel self-locking hexagonal handle countersink drill cutting portion:
fig. 4 is a schematic diagram of a novel self-locking hexagonal handle countersink drill.
In the figure: 1. a knife handle; 2. a self-locking assembly; 3. a cutter body; 4. a cutting insert; 5. a center drill; 6. a center drill chuck; 7. an internal thread; 8. locking the taper hole; 9. knurling straight lines; 10. an external thread; 11. chip removal groove.
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.
As shown in fig. 1 to 4, the self-locking hexagonal handle counter bore drill provided by the utility model comprises a cutter handle 1, wherein a self-locking assembly 2 is arranged on the right side of the cutter handle 1, a cutter body 3 is arranged on the right side of the self-locking assembly 2, a cutting blade 4 is fixedly connected on the right side of the cutter body 3, and a center drill 5 is arranged on the right side of the cutting blade 4.
Referring to fig. 2 and 3, the self-locking assembly 2 is composed of a central drill chuck 6, an internal thread 7, a locking taper hole 8, straight knurls 9 and external threads 10, wherein the central drill chuck 6 is sleeved on the surface of the central drill 5, the internal threads 7 are arranged on the left side of an inner cavity of the self-locking assembly 2, the locking taper hole 8 is arranged on the right side of the internal threads 7, the straight knurls 9 are arranged on the left side of the surface of the self-locking assembly 2, the external threads 10 are arranged on the right side of the locking taper hole 8, the external threads 10 are screwed into the internal threads 7 through mechanical force, and the left side of the central drill chuck 6 penetrates into the locking taper hole 8.
As a technical optimization scheme of the self-locking assembly 2, the self-locking capability of the self-locking assembly 2 is stronger and the integral use effect is improved through the arrangement of the central drill chuck 6, the internal thread 7, the locking taper hole 8, the straight knurl 9 and the external thread 10.
Referring to fig. 1, the surface of the center drill 5 is provided with junk slots 11, and the junk slots 11 are matched with the center drill 5 for use.
As a technical optimization scheme of the utility model, a large amount of saw dust in the cutting process can be cleaned through the arrangement of the chip removal groove 11, and meanwhile, the cutting temperature of the cutter is reduced, so that the convenience of a user is improved.
Referring to fig. 1, the cutting insert 4 is made of ultra fine grain cemented carbide and is welded to the right side of the cutter body 3 by high frequency welding.
As a technical optimization scheme of the utility model, the cutting blade 4 is arranged by adopting ultrafine grain hard alloy, so that the strength of the cutting blade 4 is better, and the service life of the cutting blade is prolonged.
Referring to fig. 1, the center drill 5 is made of a high-speed steel twist drill and is convenient to replace.
As a technical optimization scheme of the utility model, the strength of the center drill 5 can be higher through the arrangement that the center drill 5 is made of the high-speed steel twist drill, and meanwhile, the convenience in replacement of a user is improved.
Referring to fig. 1, the handle 1 is hexagonal in shape, and can be used for various types of power tools.
As a technical optimization scheme of the utility model, the cutter handle 1 is arranged in a hexagonal shape, so that the whole cutter handle can be rapidly clamped, and the convenience of a user is improved.
The working principle and the using flow of the utility model are as follows: firstly, a user locks the cutting blade 4 on the tool handle 1 of the center drill 5 through the self-locking assembly 2, the cutting blade 4 and the center drill 5 can be directly replaced after being dulled to obtain a sharp drill bit, and meanwhile, when the depth needs to be adjusted, the cutting blade 4 is adjusted through the internal thread 7, the locking taper hole 8 and the external thread 10, and the center drill 5 is tightly pressed by the acting force of the locking taper hole 8, so that the self-centering effect can be achieved, and compared with the traditional screw pressing mode, the concentricity is higher, and the effects of quick adjustment, durability and stable processing are achieved.
To sum up: this self-locking hexagonal handle countersink bores has changed traditional design singleness, can not the fast adjustment, and the phenomenon of wearing and tearing easily through self-locking hexagonal handle countersink bores, has adopted multiple high strength structure cooperation to use, and the design just is not singleness, also can the fast adjustment to the wearing and tearing phenomenon can not appear yet, can not influence the life of countersink bores more.
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.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The self-locking hexagonal handle counter bore drill comprises a handle (1) and is characterized in that: the right side of handle of a knife (1) is provided with from locking subassembly (2), the right side of from locking subassembly (2) is provided with cutter body (3), the right side fixedly connected with cutting blade (4) of cutter body (3), the right side of cutting blade (4) is provided with center drill (5).
2. The self-locking hex shank countersink according to claim 1, wherein: the self-locking assembly (2) is composed of a central drill chuck (6), an internal thread (7), a locking taper hole (8), straight knurls (9) and external threads (10), the central drill chuck (6) is sleeved on the surface of the central drill (5), the internal threads (7) are arranged on the left side of an inner cavity of the self-locking assembly (2), the locking taper hole (8) is arranged on the right side of the internal threads (7), the straight knurls (9) are arranged on the left side of the surface of the self-locking assembly (2), the external threads (10) are arranged on the right side of the locking taper hole (8), the external threads (10) are screwed into the internal threads (7) through mechanical force, and the left side of the central drill chuck (6) penetrates into the internal of the locking taper hole (8).
3. The self-locking hex shank countersink according to claim 1, wherein: chip grooves (11) are formed in the surface of the central drill (5), and the chip grooves (11) are matched with the central drill (5) to use.
4. The self-locking hex shank countersink according to claim 1, wherein: the cutting blade (4) is made of superfine hard alloy and is welded on the right side of the cutter body (3) through high frequency.
5. The self-locking hex shank countersink according to claim 1, wherein: the center drill (5) is made of high-speed steel twist drills and is convenient to replace.
6. The self-locking hex shank countersink according to claim 1, wherein: the shape of the knife handle (1) is hexagonal, and can meet the use requirements of different types of electric tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320849782.0U CN220241771U (en) | 2023-04-17 | 2023-04-17 | Self-locking hexagonal handle counter bore drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320849782.0U CN220241771U (en) | 2023-04-17 | 2023-04-17 | Self-locking hexagonal handle counter bore drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220241771U true CN220241771U (en) | 2023-12-26 |
Family
ID=89264198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320849782.0U Active CN220241771U (en) | 2023-04-17 | 2023-04-17 | Self-locking hexagonal handle counter bore drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220241771U (en) |
-
2023
- 2023-04-17 CN CN202320849782.0U patent/CN220241771U/en active Active
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