CN208467349U - Drill bit with drill lip - Google Patents
Drill bit with drill lip Download PDFInfo
- Publication number
- CN208467349U CN208467349U CN201821008649.8U CN201821008649U CN208467349U CN 208467349 U CN208467349 U CN 208467349U CN 201821008649 U CN201821008649 U CN 201821008649U CN 208467349 U CN208467349 U CN 208467349U
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- Prior art keywords
- drilling rod
- drill
- drill lip
- ring groove
- concave ring
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Abstract
The utility model discloses a kind of drill bits with drill lip, including drilling rod and the helicla flute that drilling rod surface is arranged in, apex point is fixed in the bottom end of drilling rod, the surface of apex point is provided with drill lip, drill lip is arranged on the diameter line of apex point, the convex sword of perpendicular brill being connected with drill lip is fixed in the sidewall bottom of drilling rod, the top side wall of drilling rod is provided with detent concave ring groove, regular hexagon installation mast is fixed in the end face center of drilling rod, vertical rib is evenly arranged in detent concave ring groove, the height of vertical rib is lower than the height of detent concave ring groove.The structure setting of the utility model is reasonable, it is provided with drill lip, it can effectively reduce apex point and the friction by diamond piece, so as to prevent from burning out caused by because of friction, and the efficiency of drilling can be greatly improved, while being provided with detent concave ring groove, it is ensured that the position of installation and the reliability of installation, be conducive to improve the reliability of drilling, strong applicability and practicability is good.
Description
Technical field
The utility model belongs to bit technique field, and in particular to a kind of drill bit with drill lip.
Background technique
Drill bit is a kind of common structure, is mainly made of drilling rod with the helicla flute for being provided with drilling rod surface, though
Drilling processing can be so realized to a certain extent, but the tip of its drill bit is prone to wear in processing, to can seriously affect
The efficiency of drilling, and also plank is be easy to cause to black in drilling, influences the quality of drilling, so applicability and practicability by
To limitation.
Summary of the invention
The purpose of the utility model is to provide a kind of structure setting rationally and can effectively improve drilling efficiency have drill lip
Drill bit.
The technical solution for realizing the utility model aim is a kind of drill bit with drill lip, including drilling rod and setting described
The helicla flute on drilling rod surface is fixed with apex point in the bottom end of the drilling rod, and the surface of the apex point is provided with drill lip, the brill
Sword is arranged on the diameter line of apex point, and the convex sword of perpendicular brill being connected with the drill lip is fixed in the sidewall bottom of the drilling rod,
The top side wall of the drilling rod is provided with detent concave ring groove, is fixed with regular hexagon mounting post in the end face center of the drilling rod
Bar, is evenly arranged with vertical rib in the detent concave ring groove, and the height of the vertical rib is lower than the height of detent concave ring groove
Degree.
It is provided with and the perpendicular incline reinforcement bar for boring convex sword side and being connected, the inclination in the side of the drilling rod
The thickness of reinforcing rib bar is less than the perpendicular length for boring convex sword.
The top side wall of the drilling rod is provided with limit cavity, the limit cavity be in the detent concave ring groove with just
Hexagon is installed between mast.
The drill lip and the perpendicular height for boring convex sword are 2mm.
The utility model has the effect of positive: the structure setting of the utility model is reasonable, is provided with drill lip, can be with
It is effective to reduce apex point and the friction by diamond piece, so as to prevent from burning out caused by because of friction, and can greatly improve
The efficiency of drilling, while being provided with detent concave ring groove, it is ensured that the position of installation and the reliability of installation are conducive to mention
The reliability of height drilling, strong applicability and practicability is good.
Detailed description of the invention
In order to be more likely to be clearly understood the content of the utility model, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, in which:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
(embodiment 1)
Fig. 1 shows a kind of specific embodiment of the utility model, and wherein Fig. 1 is the structural representation of the utility model
Figure.
See Fig. 1, a kind of drill bit with drill lip, including drilling rod 1 and the helicla flute 2 that 1 surface of drilling rod is arranged in, in institute
The bottom end for stating drilling rod 1 is fixed with apex point 3, the surface of the apex point 3 is provided with drill lip 4, apex point 3 is arranged in the drill lip 4
On diameter line, the convex sword 5 of perpendicular brill being connected with the drill lip 4 is fixed in the sidewall bottom of the drilling rod 1, in the drilling rod 1
Top side wall be provided with detent concave ring groove 6, the end face center of the drilling rod be fixed with regular hexagon installation mast 7, in institute
It states and is evenly arranged with vertical rib 8 in detent concave ring groove 6, the height of the vertical rib is lower than the height of detent concave ring groove.
The incline reinforcement bar 9 being connected with the perpendicular convex sword side of brill is provided in the side of the drilling rod 1, it is described to incline
The thickness of inclined stiffener bar is less than the perpendicular length for boring convex sword.
The top side wall of the drilling rod be provided with limit cavity 10, the limit cavity be in the detent concave ring groove and
Regular hexagon is installed between mast.
The drill lip and the perpendicular height for boring convex sword are 2mm.
The structure setting of the utility model is reasonable, is provided with drill lip, can effectively reduce apex point and by diamond piece
Friction so as to prevent from burning out caused by because of friction, and can greatly improve the efficiency of drilling, while being provided with detent
Concave ring groove, it is ensured that the position of installation and the reliability of installation are conducive to the reliability for improving drilling, applicability
Strong and practicability is good.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still fall within it is practical
Novel protection scope.
Claims (4)
1. a kind of drill bit with drill lip, including drilling rod and the helicla flute that the drilling rod surface is arranged in, at the bottom of the drilling rod
End is fixed with apex point, it is characterised in that: the surface of the apex point is provided with drill lip, the diameter line of apex point is arranged in the drill lip
On, the convex sword of perpendicular brill being connected with the drill lip is fixed in the sidewall bottom of the drilling rod, in the top side wall of the drilling rod
It is provided with detent concave ring groove, regular hexagon installation mast is fixed in the end face center of the drilling rod, in the detent concave ring groove
It is inside evenly arranged with vertical rib, the height of the vertical rib is lower than the height of detent concave ring groove.
2. the drill bit according to claim 1 with drill lip, it is characterised in that: be provided with and institute in the side of the drilling rod
The perpendicular incline reinforcement bar for boring convex sword side and being connected is stated, the thickness of the incline reinforcement bar is less than the perpendicular length for boring convex sword.
3. the drill bit according to claim 2 with drill lip, it is characterised in that: be provided in the top side wall of the drilling rod
Cavity is limited, the limit cavity is between the detent concave ring groove and regular hexagon installation mast.
4. the drill bit according to claim 3 with drill lip, it is characterised in that: the drill lip and the height for erecting the convex sword of brill are
2mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008649.8U CN208467349U (en) | 2018-06-20 | 2018-06-20 | Drill bit with drill lip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008649.8U CN208467349U (en) | 2018-06-20 | 2018-06-20 | Drill bit with drill lip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208467349U true CN208467349U (en) | 2019-02-05 |
Family
ID=65211661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821008649.8U Active CN208467349U (en) | 2018-06-20 | 2018-06-20 | Drill bit with drill lip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208467349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284844A (en) * | 2019-07-11 | 2019-09-27 | 中煤科工集团重庆研究院有限公司 | A kind of plough auger stem |
-
2018
- 2018-06-20 CN CN201821008649.8U patent/CN208467349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284844A (en) * | 2019-07-11 | 2019-09-27 | 中煤科工集团重庆研究院有限公司 | A kind of plough auger stem |
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| GR01 | Patent grant |