CN213573917U - Mine down-the-hole drill bit device - Google Patents
Mine down-the-hole drill bit device Download PDFInfo
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- CN213573917U CN213573917U CN202021853193.2U CN202021853193U CN213573917U CN 213573917 U CN213573917 U CN 213573917U CN 202021853193 U CN202021853193 U CN 202021853193U CN 213573917 U CN213573917 U CN 213573917U
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- China
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- drill bit
- cutting edge
- bit body
- external thread
- mine down
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Abstract
The utility model discloses a mine down-the-hole drill bit device, including the drill bit body, the circumference of drill bit body is provided with a plurality of cutting edges, and the upper portion of drill bit body is provided with the external thread connection head, and a side portion of cutting edge is provided with one and strengthens the arch, and another lateral part of cutting edge is provided with a plurality of interval distribution's escape canal, and the external thread connection head is the round platform form. The utility model discloses beneficial effect: the utility model discloses a side portion of cutting edge is provided with strengthens the arch, and another lateral part of cutting edge is provided with a plurality of interval distribution's escape canal, and the external thread connection head is the round platform form, strengthens protruding intensity that improves the cutting edge, and the escape canal plays excretory effect, and the external thread connection head of round platform form is convenient for dismouting, change, improvement work efficiency.
Description
Technical Field
The utility model belongs to the technical field of mine drilling technique and specifically relates to a mine down-the-hole drill bit device.
Background
At present, mine down-the-hole drill bit generally is used for various mining operations, fixes the drill bit on the drilling rod during use usually, and some adopt buckle formula to connect, and some adopt threaded connection, and the easy not hard up droing of buckle formula connection, threaded connection's thread head is cylindric, and the dismouting is inconvenient, and difficult the change has reduced work efficiency.
Therefore, it is necessary to provide a mine down-the-hole drill apparatus for the above problems.
SUMMERY OF THE UTILITY MODEL
To the deficiencies in the prior art, an object of the utility model is to provide a mine down-the-hole drill bit device to solve above-mentioned problem.
The utility model provides a mine down-the-hole drill bit device, includes the drill bit body, the circumference portion of drill bit body is provided with a plurality of cutting edges, the upper portion of drill bit body is provided with the thread connection head, a side portion of cutting edge is provided with strengthens the arch, another lateral part of cutting edge is provided with a plurality of interval distribution's escape canal, the thread connection head is round platform form.
Preferably, a plurality of annularly distributed lugs are arranged in the middle of the drill bit body.
The beneficial effects of the preferable technical scheme are as follows: the tangential striking disassembly and the installation are convenient.
Preferably, the cutting edge is integrally connected with the bit body.
The beneficial effects of the preferable technical scheme are as follows: the integral type joint strength is high for the difficult fracture of cutting edge.
Preferably, a cavity is arranged in the drill bit body, and an air hole is arranged at the lower part of the drill bit body and communicated with the cavity.
The beneficial effects of the preferable technical scheme are as follows: when drilling, water is injected into the cavity to cool the drill bit.
Preferably, the drill body is provided with 5 annularly distributed cutting edges in a circumferential portion thereof.
Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses a side portion of cutting edge is provided with one and strengthens the arch, and another lateral part of cutting edge is provided with a plurality of interval distribution's escape canal, and the external thread connection head is the round platform form, strengthens protruding intensity that improves the cutting edge, and the escape canal plays excretory effect, and the external thread connection head of round platform form is convenient for dismouting, change, improvement work efficiency.
Drawings
FIG. 1 is a structural view of a mine down-the-hole drill bit device provided by the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a bottom view of the present invention.
Reference numbers in the figures: 1. a drill bit body; 2. a cutting edge; 3. an external thread connector; 4. a reinforcing protrusion; 5. a drain tank; 6. a cavity; 7. air holes; 8. and (4) a bump.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 2 to 4, the mine down-the-hole drill device comprises a drill body, wherein a plurality of cutting edges 2 are arranged on the circumference of the drill body 1, an external thread connector 3 is arranged on the upper portion of the drill body 1, a reinforcing protrusion 4 is arranged on one side portion of each cutting edge 2, a plurality of drainage grooves 5 distributed at intervals are arranged on the other side portion of each cutting edge 2, and the external thread connector 3 is in a circular truncated cone shape.
Furthermore, a plurality of annularly distributed lugs 8 are arranged in the middle of the drill bit body 1.
The beneficial effects of the further technical scheme are that: the tangential striking disassembly and the installation are convenient.
Further, the cutting edge 2 is integrally connected with the drill body 1.
The beneficial effects of the further technical scheme are that: the integral type joint strength is high for the difficult fracture of cutting edge.
Further, a cavity 6 is arranged in the drill bit body 1, an air hole 7 is arranged at the lower part of the drill bit body 1, and the air hole 7 is communicated with the cavity 6.
The beneficial effects of the further technical scheme are that: when drilling, water is injected into the cavity to cool the drill bit.
Further, the drill body 1 is provided with 5 annularly distributed cutting edges 2 at a circumferential portion thereof.
Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses a side portion of cutting edge 2 is provided with one and strengthens arch 4, and another lateral part of cutting edge 2 is provided with a plurality of interval distribution's escape canal 5, and external thread connection head 3 is the round platform form, strengthens protruding 4 intensity that improves the cutting edge, and escape canal 5 plays excretory effect, and the external thread connection head 3 of round platform form is convenient for dismouting, change, improves work efficiency.
The installation principle is as follows: the circumference of drill bit body 1 is provided with a plurality of cutting edges 2, the upper portion of drill bit body 1 is provided with external thread connection head 3, a side of cutting edge 2 is provided with one and strengthens arch 4, another lateral part of cutting edge 2 is provided with a plurality of interval distribution's escape canal 5, external thread connection head 1 is round platform form, the intermediate position of drill bit body 1 is provided with a plurality of annular distribution's lug 8, be provided with cavity 6 in the drill bit body 1, the lower part of drill bit body 1 is provided with gas pocket 7, gas pocket 7 communicates in cavity 6, with the external thread connection head 3 threaded connection of drill bit body 1 in the drilling rod during the use, start the rig, and then drill to the mine.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (5)
1. The utility model provides a mine down-the-hole drill bit device which characterized in that: including drill bit body (1), the circumferential part of drill bit body (1) is provided with a plurality of cutting edges (2), the upper portion of drill bit body (1) is provided with external thread connection head (3), a lateral part of cutting edge (2) is provided with strengthens arch (4), another lateral part of cutting edge (2) is provided with a plurality of interval distribution's escape canal (5), external thread connection head (3) are round platform form.
2. A mine down-the-hole drill bit apparatus as defined in claim 1, wherein: the middle position of the drill bit body (1) is provided with a plurality of annularly distributed lugs (8).
3. A mine down-the-hole drill bit apparatus as defined in claim 1, wherein: the cutting edge (2) is integrally connected with the drill bit body (1).
4. A mine down-the-hole drill bit apparatus as defined in claim 1, wherein: the drill bit is characterized in that a cavity (6) is formed in the drill bit body (1), an air hole (7) is formed in the lower portion of the drill bit body (1), and the air hole (7) is communicated with the cavity (6).
5. A mine down-the-hole drill bit apparatus as defined in claim 1, wherein: the circumference of the drill bit body (1) is provided with 5 cutting edges (2) distributed annularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021853193.2U CN213573917U (en) | 2020-08-28 | 2020-08-28 | Mine down-the-hole drill bit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021853193.2U CN213573917U (en) | 2020-08-28 | 2020-08-28 | Mine down-the-hole drill bit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213573917U true CN213573917U (en) | 2021-06-29 |
Family
ID=76557546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021853193.2U Active CN213573917U (en) | 2020-08-28 | 2020-08-28 | Mine down-the-hole drill bit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213573917U (en) |
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2020
- 2020-08-28 CN CN202021853193.2U patent/CN213573917U/en active Active
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