CN220113681U - Combined drill bit structure - Google Patents
Combined drill bit structure Download PDFInfo
- Publication number
- CN220113681U CN220113681U CN202321377298.9U CN202321377298U CN220113681U CN 220113681 U CN220113681 U CN 220113681U CN 202321377298 U CN202321377298 U CN 202321377298U CN 220113681 U CN220113681 U CN 220113681U
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- China
- Prior art keywords
- rod
- drill
- drill bit
- fixedly connected
- drilling rod
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Links
- 238000005553 drilling Methods 0.000 claims abstract description 48
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims 4
- 238000003780 insertion Methods 0.000 claims 4
- 238000004080 punching Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a combined drill bit structure, belongs to the technical field of drill bits, and solves the technical problems that the existing drill bits with different specifications are required to be manually replaced for punching operation for different punching depths, and the whole drill bit is required to be replaced when part of the drill bit is damaged, such as drill bit abrasion. The combined drill bit structure comprises a drill bit, a second drill rod and a third drill rod, wherein the upper end of the drill bit is fixedly connected with the first drill rod, the upper end of the first drill rod and the upper end of the second drill rod are fixedly connected with a plug rod, the lower end of the second drill rod and the lower end of the third drill rod are fixedly connected with a jack, the plug rod is connected with the jack through a fixing component, and the upper end of the third drill rod is provided with a connecting component. The utility model has the advantages of meeting the requirements of different drilling depths in processing, and only replacing damaged parts when the drill bit is damaged.
Description
Technical Field
The utility model belongs to the technical field of drill bits, and relates to a drill bit structure, in particular to a combined drill bit structure.
Background
The percussion drill is a device for clamping on impact electric drill, and is used for drilling concrete foundation, wall, brick wall and granite, so that the fastening pieces of expansion bolt and plastic expansion pipe can be mounted in the hole.
When the existing drill bit is used for punching, the drill bit with different specifications needs to be manually replaced for punching operation aiming at different punching depths, so that a workshop needs to prepare the drill bit with various specifications, the drill bit is troublesome to find when needed, in addition, when part of the drill bit is damaged, for example, a drill bit is worn, the whole drill bit needs to be replaced, the replacement frequency of the drill bit is high, and further the limitation exists.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a combined drill bit structure, which aims at solving the technical problems that: how to meet the requirements of different drilling depths in processing, and when the drill bit is damaged, only the damaged part needs to be replaced.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a combination formula drill bit structure, includes boring cutter, second drilling rod and third drilling rod, boring cutter upper end fixedly connected with first drilling rod, the equal fixedly connected with inserted bar of first drilling rod upper end and second drilling rod upper end, the equal fixedly connected with jack of second drilling rod lower extreme and third drilling rod lower extreme, the inserted bar passes through fixed subassembly with the jack and is connected, and third drilling rod upper end is provided with coupling assembling.
The working principle of the utility model is as follows: during operation according to the degree of depth of required drilling, whether connect the second drilling rod or connect several second drilling rods, insert the jack with the inserted bar earlier during the connection, it is fixed with two drilling rods afterwards through fixed subassembly, later be connected this combination drill bit with the rig through coupling assembling, can deal with the demand of different drilling depths during processing to when the drill bit damages, only need change damaged part can.
The fixed component comprises a bolt, a first threaded hole is formed in the inserted link, a second threaded hole is formed in the lower end of the second drill rod and the lower end of the third drill rod, and the first threaded hole is connected with the second threaded hole through the bolt.
By adopting the structure, when in use, the first drill rod, the second drill rod and the third drill rod are convenient to connect or disconnect according to the use requirement.
The connecting assembly comprises a square inserting block and a shaft rod, the square inserting block is fixedly connected to the upper end of the third drill rod, the upper end of the square inserting block is fixedly connected with a screw rod, a square inserting groove is formed in the lower end of the shaft rod, a connecting cavity is formed in the upper side of the square inserting groove, and the connecting cavity is connected with a threaded sleeve through a fastening assembly and is in threaded connection with the screw rod.
By adopting the structure, when in connection, the upper end of the screw rod extends into the connecting cavity, the screw rod is in threaded connection with the threaded sleeve, and then the square inserting block is fixed in the square inserting groove through the fastening component.
The fastening assembly comprises a clamping ring, the clamping ring is fixedly connected between the square slot and the connecting cavity, the threaded sleeve is in sliding connection with the connecting cavity, the lower end of the threaded sleeve is fixedly connected with a spring, and the lower end of the spring is fixedly connected with the clamping ring.
By adopting the structure, when the screw rod is connected, a part of the upper end of the screw rod is screwed into the threaded sleeve, then the screw rod is pulled downwards, when the screw rod is continuously screwed in, the threaded sleeve moves downwards, the spring continuously contracts simultaneously, when the spring contracts to the shortest length, the angle of the square inserting block is adjusted, the square inserting block is inserted into the square inserting groove through the elasticity of the spring, the installation of the third drill rod is completed, when the screw rod is disassembled, the screw rod is pulled downwards, the square inserting block is separated from the square inserting groove, and then the screw rod is reversely screwed to separate the screw rod from the threaded sleeve, so that the disassembly of the third drill rod is completed, and the third drill rod is convenient to disassemble and install.
The jack and the inserted link are of spiral structures corresponding to the second drill rod, and the shape, the size and the rotation direction of the inserted link are the same as those of the jack.
By adopting the structure, the jack and any height position of the inserted rod have the same thickness, and the strength of the lower end of the third drill rod, the lower end of the second drill rod and the inserted rod can be ensured to the greatest extent.
The outside of the second threaded hole is provided with a nut groove.
By adopting the structure, when in connection, the bolt can be completely screwed into the surface of the drill rod, so that the effect that the convex nut influences the drilling is avoided.
Compared with the prior art, the combined drill bit structure has the following advantages:
1. during operation according to the degree of depth of required drilling, whether connect the second drilling rod or connect several second drilling rods, insert the jack with the inserted bar earlier during the connection, it is fixed with two drilling rods afterwards through fixed subassembly, later be connected this combination drill bit with the rig through coupling assembling, can deal with the demand of different drilling depths during processing to when the drill bit damages, only need change damaged part can.
2. The first drilling rod, the second drilling rod and the third drilling rod are connected or detached according to the use requirement to be convenient for to set up of fixed subassembly.
3. The jack and the inserted link are of spiral structures corresponding to the second drill rod, so that any height positions of the jack and the inserted link have the same thickness, and the strength of the lower end of the third drill rod, the lower end of the second drill rod and the inserted link can be guaranteed to the greatest extent.
4. The screw cap groove is arranged to enable the bolt to be completely screwed into the surface of the drill rod, so that the effect that the hole drilling is affected by the protruding screw cap is avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the first drill rod according to the present utility model.
Fig. 3 is a schematic view of the construction of a second drill rod according to the present utility model.
Fig. 4 is a schematic view of a second drill pipe according to another view of the present utility model.
Fig. 5 is a schematic view of the third drill rod according to the present utility model.
Fig. 6 is a cross-sectional view of a connection assembly in accordance with the present utility model.
Fig. 7 is a cross-sectional view of another cross-section of the connector assembly of the present utility model.
In the figure, 1, a first drill rod; 2. a second drill rod; 3. a third drill pipe; 4. a drill; 5. a rod; 6. a jack; 7. a first threaded hole; 8. a second threaded hole; 9. square inserting block; 10. a shaft lever; 11. a screw; 12. square slot; 13. a connecting cavity; 14. a thread sleeve; 15. a clasp; 16. a spring; 17. a nut groove.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-7, the combined drill bit structure comprises a drill bit 4, a second drill rod 2 and a third drill rod 3, wherein the upper end of the drill bit 4 is fixedly connected with a first drill rod 1, the upper end of the first drill rod 1 and the upper end of the second drill rod 2 are fixedly connected with a plug rod 5, the lower end of the second drill rod 2 and the lower end of the third drill rod 3 are fixedly connected with a jack 6, the plug rod 5 is connected with the jack 6 through a fixing component, and the upper end of the third drill rod 3 is provided with a connecting component.
During operation according to the degree of depth of required drilling, whether connect second drilling rod 2 or connect several second drilling rods 2, insert inserted bar 5 jack 6 earlier during the connection, it is fixed with two drilling rods later through fixed subassembly, be connected this combination drill bit with the rig through coupling assembling, can deal with the demand of different drilling depths during processing to when the drill bit damages, only need change damaged part can.
The fixed component comprises a bolt, a first threaded hole 7 is formed in the inserted rod 5, a second threaded hole 8 is formed in the lower end of the second drill rod 2 and the lower end of the third drill rod 3, and the first threaded hole 7 is connected with the second threaded hole 8 through the bolt.
By adopting the structure, when in use, the first drill rod 1, the second drill rod 2 and the third drill rod 3 are convenient to connect or disconnect according to the use requirement.
The connecting assembly comprises a square inserting block 9 and a shaft rod 10, the square inserting block 9 is fixedly connected to the upper end of the third drill rod 3, a screw rod 11 is fixedly connected to the upper end of the square inserting block 9, a square inserting groove 12 is formed in the lower end of the shaft rod 10, a connecting cavity 13 is formed in the upper side of the square inserting groove 12, the connecting cavity 13 is connected with a threaded sleeve 14 through a fastening assembly, and the threaded sleeve 14 is in threaded connection with the screw rod 11.
With the structure, when in connection, the upper end of the screw rod 11 extends into the connecting cavity 13, the screw rod 11 is in threaded connection with the threaded sleeve 14, and then the square inserting block 9 is fixed in the square inserting groove 12 through the fastening component.
The fastening assembly comprises a clamping ring 15, the clamping ring 15 is fixedly connected between the square slot 12 and the connecting cavity 13, the threaded sleeve 14 is in sliding connection with the connecting cavity 13, the lower end of the threaded sleeve 14 is fixedly connected with a spring 16, and the lower end of the spring 16 is fixedly connected with the clamping ring 15.
With the above structure, when connecting, screw 11 upper end partly screw into thread bush 14, follow and pull down screw 11, when screw 11 continues to be screwed in, thread bush 14 downwardly moving, spring 16 continuously contracts simultaneously, when spring 16 contracts to the shortest length, adjust square insert 9's angle, make square insert 9 insert square slot 12 through spring 16's elasticity, just accomplish the installation of third drilling rod 3, during the dismantlement, pull down screw 11 for square insert 9 breaks away from square slot 12, then reverse screw 11 makes screw 11 break away from thread bush 14, just accomplish the dismantlement of third drilling rod 3, convenient to detach and installation third drilling rod 3.
The jack 6 and the inserted link 5 are of spiral structures corresponding to the second drill rod 2, and the shape, the size and the rotation direction of the inserted link 5 and the jack 6 are the same.
With the structure, the jack 6 and the inserted rod 5 have the same thickness at any height position, so that the strength of the lower end of the third drill rod 3, the lower end of the second drill rod 2 and the inserted rod 5 can be ensured to the greatest extent.
A nut groove 17 is provided on the outer side of the second screw hole 8.
By adopting the structure, when in connection, the bolt can be completely screwed into the surface of the drill rod, so that the effect that the convex nut influences the drilling is avoided.
The working principle of the utility model is as follows: when the drill bit is installed, according to the depth of a drilled hole, whether the second drill rod 2 is connected or whether a plurality of second drill rods 2 are connected or not can be selected, firstly, the inserting rod 5 is inserted into the inserting hole 6 in a rotating mode when the drill bit is connected, then, bolts are sequentially connected with the second threaded hole 8 and the first threaded hole 7 in a threaded mode, connection of the drill bit is completed, a part of the upper end of the screw 11 is screwed into the threaded sleeve 14, then the screw 11 is pulled downwards, when the screw 11 continues to be screwed in, the threaded sleeve 14 moves downwards, meanwhile, the spring 16 continuously contracts, when the spring 16 contracts to the shortest length, the angle of the square inserting block 9 is adjusted, the square inserting block 9 is inserted into the square inserting groove 12 through the elastic force of the spring 16, installation of the third drill rod 3 is completed, the requirements of different drilling depths can be met, when the drill bit is damaged, only the damaged part needs to be replaced, and when the drill bit is dismounted, the screw 11 is pulled downwards, the square inserting block 9 is separated from the square inserting groove 12, and then the screw 11 is reversely screwed to be separated from the threaded sleeve 14.
In summary, through coupling assembling, fastening assembly, first drilling rod 1, second drilling rod 2 and third drilling rod 3, realize the demand of coping with different drilling depths when processing to when the drill bit damages, only need change the function of damaged part.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (4)
1. The utility model provides a combination formula drill bit structure, includes boring cutter (4), second drilling rod (2) and third drilling rod (3), its characterized in that, boring cutter (4) upper end fixedly connected with first drilling rod (1), first drilling rod (1) upper end and second drilling rod (2) upper end all fixedly connected with inserted bar (5), second drilling rod (2) lower extreme and third drilling rod (3) lower extreme all fixedly connected with jack (6), inserted bar (5) are connected through fixed subassembly with jack (6), third drilling rod (3) upper end is provided with coupling assembling; the connecting assembly comprises a square inserting block (9) and a shaft lever (10), wherein the square inserting block (9) is fixedly connected to the upper end of the third drill rod (3), a screw rod (11) is fixedly connected to the upper end of the square inserting block (9), a square inserting groove (12) is formed in the lower end of the shaft lever (10), a connecting cavity (13) is formed in the upper side of the square inserting groove (12), the connecting cavity (13) is connected with a threaded sleeve (14) through a fastening assembly, and the threaded sleeve (14) is in threaded connection with the screw rod (11); the fastening assembly comprises a clamping ring (15), the clamping ring (15) is fixedly connected between the square slot (12) and the connecting cavity (13), the threaded sleeve (14) is in sliding connection with the connecting cavity (13), the lower end of the threaded sleeve (14) is fixedly connected with a spring (16), and the lower end of the spring (16) is fixedly connected with the clamping ring (15).
2. The combined drill bit structure according to claim 1, wherein the fixing component comprises a bolt, the insert rod (5) is provided with a first threaded hole (7), the lower end of the second drill rod (2) and the lower end of the third drill rod (3) are provided with second threaded holes (8), and the first threaded holes (7) are connected with the second threaded holes (8) through bolts.
3. A combination drill bit structure according to claim 1 or 2, characterized in that the insertion hole (6) and the insertion rod (5) are of a spiral structure corresponding to the second drill rod (2), and the insertion rod (5) and the insertion hole (6) are identical in shape, size and rotation direction.
4. A combination drill bit structure according to claim 2, characterized in that the outside of the second threaded hole (8) is provided with a nut groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377298.9U CN220113681U (en) | 2023-05-31 | 2023-05-31 | Combined drill bit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377298.9U CN220113681U (en) | 2023-05-31 | 2023-05-31 | Combined drill bit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220113681U true CN220113681U (en) | 2023-12-01 |
Family
ID=88894707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321377298.9U Active CN220113681U (en) | 2023-05-31 | 2023-05-31 | Combined drill bit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220113681U (en) |
-
2023
- 2023-05-31 CN CN202321377298.9U patent/CN220113681U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |