CN220739524U - Three-stage reaming bit - Google Patents

Abstract

The utility model relates to a three-stage reaming bit, which aims to solve the technical problem that the current reaming bit can only drill a hole diameter, and comprises a reaming bit main body, wherein a hexagonal handheld part is arranged on the surface of the reaming bit main body, the upper end of the reaming bit main body is connected with an advancing bit, the advancing bit is of a cross structure, the reaming bit main body and the advancing bit are of an integrated structure, a first external thread is arranged on the surface of the reaming bit main body, a first thickening assembly is arranged on the outer side of the first external thread, a second thickening assembly is arranged on the outer side of the first thickening assembly, the three-stage reaming bit is screwed on the first external thread through a first internal thread, the primary diameter expansion of the reaming bit main body is realized, the secondary diameter expansion of the reaming bit main body is realized through a second internal thread, the reaming bit with various diameters is avoided, and the three-stage reaming bit is more convenient to use and has the advantage of being capable of rapidly changing the hole diameter of the reaming bit.

Description

Three-stage reaming bit

Technical Field

The utility model relates to a reaming bit, in particular to a three-stage reaming bit.

Background

As the name implies, the drill bit is a tool for drilling or reaming, and is generally made of metal, and is a tool for drilling through holes or holes in solid materials, and is generally made of cemented carbide and has high hardness.

However, in the actual use process of the existing drill bit, as the drill bit has singleness, one drill bit has only one diameter, so that workers need to carry multiple drill bits when want to drill different holes, the drill bit is troublesome to carry and easy to lose, and the practicality of the drill bit is reduced.

Therefore, there is an urgent need to design a three-stage reamer bit to solve the above technical problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a three-stage reaming bit so as to solve the technical problem that the current bit can only drill one aperture.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:

the utility model provides a tertiary reamer bit, includes the reamer bit main part, the surface mounting of reamer bit main part has hexagonal handheld portion, the upper end of reamer bit main part is connected with the drill bit that advances, the drill bit that advances is the cross structure, reamer bit main part and the drill bit that advances are integrated into one piece structure, the surface of reamer bit main part is provided with first external screw thread, the outside of first external screw thread is provided with first thickening subassembly, the outside of first thickening subassembly is provided with the second and adds thick subassembly.

Furthermore, the surface of the advancing drill bit is provided with a lubricating layer, and friction heat generation can be reduced through the cover of the lubricating layer, so that the service life of the advancing drill bit is prolonged.

Further, the first thickening assembly comprises a second-stage drill barrel and first internal threads, the second-stage drill barrel is arranged on the outer side of the first external threads, the first internal threads are connected with the inner side of the second-stage drill barrel, and are in threaded connection with the first external threads and screwed on the first external threads through the first internal threads, so that the second-stage drill barrel can be fixed on the reamer bit main body.

Further, the first thickening assembly further comprises a second-stage splice and second external threads, the second-stage splice is arranged at the upper end of the second-stage drill barrel, the diameter of the second-stage splice is slightly larger than that of the advancing drill bit, the second external threads are arranged on the surface of the second-stage drill barrel, and the second-stage drill barrel is connected with the advancing drill bit through the second-stage splice, so that the second-stage drill barrel is connected with the reaming bit body more smoothly, and drilling is facilitated.

Further, the second thickening assembly comprises a third-stage drilling barrel and second internal threads, the third-stage drilling barrel is arranged on the outer side of the second-stage drilling barrel, the second internal threads are arranged on the inner side of the third-stage drilling barrel and are in threaded connection with the second external threads, and the second internal threads are screwed on the second external threads through the second internal threads, so that the third-stage drilling barrel can be fixed on the second-stage drilling barrel.

Further, the second adds thick subassembly still including tertiary splice, tertiary splice sets up the upper end at tertiary section of thick bamboo that bores, tertiary splice's diameter is slightly greater than second grade splice, through the connection of second grade splice and tertiary splice for the second grade bores the section of thick bamboo and tertiary more smooth that bores a section of thick bamboo and links up, is convenient for bore.

Further, the second thickening assembly further comprises a positioning iron ring and a magnet, the positioning iron ring is arranged at the lower end of the three-stage splicing head, the positioning iron ring is connected with the magnet Dan Cixing, the magnet is arranged at the upper end of the hexagonal handheld part, and the magnet is adsorbed on the magnet through the positioning iron ring, so that the three-stage drilling barrel can be fixed on the hexagonal handheld part and cannot fall off.

The utility model has the beneficial effects that:

1. this tertiary reamer bit through set up the second grade pin joint in the reamer bit main part outside, and screw on first external screw thread through first internal screw thread for the second grade bore section of thick bamboo can be fixed on the reamer bit main part, still adsorb on the magnet through the location iron ring, make the tertiary bore section of thick bamboo can fix on hexagonal handheld portion, not only can play convenient and fast's effect, still realized the one-shot diameter expansion of reamer bit main part.

2. This tertiary reamer bit through setting up tertiary concatenation in the second grade concatenation head outside, and the second internal thread screws on the second external screw thread for tertiary bore a section of thick bamboo can be fixed on the second grade bore a section of thick bamboo, has not only realized reamer bit main part secondary and has expanded the diameter, still avoids carrying the drill bit of multiple diameter, and it is more convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a two-stage drill pipe structure according to the present utility model;

FIG. 3 is a schematic view of a three-stage drill pipe structure according to the present utility model;

FIG. 4 is a schematic view of the main body of the reamer head of the present utility model.

In the figure: 100. a first thickening assembly; 200. a second thickening assembly; 1. a reamer bit body; 2. a hexagonal hand-held portion; 3. advancing the drill bit; 4. a lubrication layer; 5. a first external thread; 6. a second-stage drilling barrel; 7. a first internal thread; 8. a secondary splice; 9. a second external thread; 10. three-stage drilling barrel; 11. a second internal thread; 12. three-stage splice joints; 13. positioning an iron ring; 14. and (3) a magnet.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: a three-stage reamer bit, see fig. 1-4; including reamer bit main part 1, reamer bit main part 1's surface mounting has hexagonal handheld portion 2, reamer bit main part 1's upper end is connected with and advances drill bit 3, advance drill bit 3 is the cross structure, reamer bit main part 1 and advance drill bit 3 integrated into one piece structure, reamer bit main part 1's surface is provided with first external screw thread 5, the outside of first external screw thread 5 is provided with first thickening subassembly 100, the outside of first thickening subassembly 100 is provided with second thickening subassembly 200.

Simultaneously, advance drill bit 3's surface is provided with lubricating layer 4, through lubricating layer 4 front cover, can reduce friction heat generation to extension advances drill bit 3's life, first thickening subassembly 100 is including second grade bore section of thick bamboo 6, first internal thread 7, second grade bore section of thick bamboo 6 sets up in the outside of first external screw thread 5, the inboard of second grade bore section of thick bamboo 6 is connected with first internal thread 7, first internal thread 7 and first external screw thread 5 threaded connection, screw on first external screw thread 5 through first internal screw thread 7 for second grade bore section of thick bamboo 6 can fix on reamer bit main part 1, first thickening subassembly 100 still includes second grade adapter 8, second external screw thread 9, second grade adapter 8 sets up the upper end at second grade bore section of thick bamboo 6, the diameter of second grade adapter 8 slightly is greater than the diameter of advancing drill bit 3, the surface of second grade bore section of thick bamboo 6 is provided with second external screw thread 9, through second grade adapter 8 and forward drill bit main part 3, makes the smooth and the drill bit main part 1 of boring more with advancing drill bit main part 1.

In addition, the second thickening assembly 200 comprises a third-stage drilling barrel 10 and a second internal thread 11, the third-stage drilling barrel 10 is arranged at the outer side of the second-stage drilling barrel 6, the second internal thread 11 is arranged at the inner side of the third-stage drilling barrel 10 and is in threaded connection with the second external thread 9, the third-stage drilling barrel 10 can be fixed on the second-stage drilling barrel 6 by screwing the second internal thread 11 on the second external thread 9, the second thickening assembly 200 further comprises a third-stage splice 12, the third-stage splice 12 is arranged at the upper end of the third-stage drilling barrel 10, the diameter of the third-stage splice 12 is slightly larger than that of the second-stage splice 8, through the connection of second grade concatenation head 8 and tertiary concatenation 12 for the second grade bores more smooth that section of thick bamboo 6 and tertiary section of thick bamboo 10 link up, is convenient for bore, the second adds thick subassembly 200 still including location iron ring 13, magnet 14, location iron ring 13 sets up the lower extreme at tertiary concatenation 12, location iron ring 13 and magnet 14 magnetism are connected, magnet 14 sets up the upper end at hexagonal handheld portion 2, adsorbs on magnet 14 through location iron ring 13, makes tertiary section of thick bamboo 10 can fix on hexagonal handheld portion 2, can not drop.

When the technical scheme is used, the secondary drilling barrel 6 is firstly grabbed, the secondary drilling barrel 6 is screwed on the first external thread 5 through the first internal thread 7, so that the secondary drilling barrel 6 can be fixed on the reaming bit main body 1, then, the tertiary drilling barrel 10 is grabbed again, the secondary drilling barrel 6 is screwed on the second external thread 9 through the second internal thread 11, meanwhile, the tertiary drilling barrel 10 can be fixed on the secondary drilling barrel 6 by being matched with the magnet 14 to separate from the positioning iron ring 13, and finally, the diameter of the reaming bit main body 1 is changed.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims (2)

1. A three-stage reamer bit comprising a reamer bit body (1), characterized in that: the surface mounting of the reaming bit main body (1) is provided with a hexagonal handheld part (2), the upper end of the reaming bit main body (1) is connected with an advancing bit (3), the advancing bit (3) is of a cross structure, the reaming bit main body (1) and the advancing bit (3) are of an integrated structure, the surface of the reaming bit main body (1) is provided with a first external thread (5), the outer side of the first external thread (5) is provided with a first thickening assembly (100), and the outer side of the first thickening assembly (100) is provided with a second thickening assembly (200);

the first thickening assembly (100) comprises a second-stage drilling barrel (6) and first internal threads (7), the second-stage drilling barrel (6) is arranged on the outer side of the first external threads (5), the first internal threads (7) are connected with the inner side of the second-stage drilling barrel (6), the first internal threads (7) are in threaded connection with the first external threads (5), the first thickening assembly (100) further comprises a second-stage splicing head (8) and second external threads (9), the second-stage splicing head (8) is arranged at the upper end of the second-stage drilling barrel (6), the diameter of the second-stage splicing head (8) is slightly larger than that of the advancing drill bit (3), and the second external threads (9) are arranged on the surface of the second-stage drilling barrel (6);

the second thickening assembly (200) comprises a third-stage drilling barrel (10) and a second internal thread (11), the third-stage drilling barrel (10) is arranged on the outer side of the second-stage drilling barrel (6), the second internal thread (11) is arranged on the inner side of the third-stage drilling barrel (10), the second internal thread (11) is in threaded connection with the second external thread (9), the second thickening assembly (200) further comprises a third-stage splicing head (12), the third-stage splicing head (12) is arranged at the upper end of the third-stage drilling barrel (10), the diameter of the third-stage splicing head (12) is slightly larger than that of the second-stage splicing head (8), the second thickening assembly (200) further comprises a positioning iron ring (13) and a magnet (14), the positioning iron ring (13) is arranged at the lower end of the third-stage splicing head (12), the positioning iron ring (13) is magnetically connected with the magnet (14), and the magnet (14) is arranged at the upper end of the hexagonal hand-held part (2).

2. A three-stage reaming bit according to claim 1, wherein: the surface of the advancing drill bit (3) is provided with a lubricating layer (4).