CN203978293U - A kind of high-performance impregnated tooth - Google Patents
A kind of high-performance impregnated tooth Download PDFInfo
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- CN203978293U CN203978293U CN201420419093.7U CN201420419093U CN203978293U CN 203978293 U CN203978293 U CN 203978293U CN 201420419093 U CN201420419093 U CN 201420419093U CN 203978293 U CN203978293 U CN 203978293U
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- tooth
- crown
- arc surface
- oval arc
- tooth post
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Abstract
The utility model has been announced a kind of high-performance impregnated tooth, comprises tooth post and crown, it is characterized in that: described crown comprises the oval arc surface that is arranged on centre position, tooth post upper end and the lateral plane that is arranged on oval arc surface both sides; The Yu Chizhu upper end, two ends of described oval arc surface is provided with beveled end surface, and the angle of described beveled end surface and tooth mast axis is 5-35 °; In described tooth post, be provided with some layers of diamond layer.The utility model can ensure that hardness is high, long service life, and uses diamond to reduce costs, and is suitable for promoting the use of.
Description
Technical field
The utility model relates to drill bit and uses impregnated tooth field, specifically, belongs to a kind of high-performance impregnated tooth.
Background technology
The existing impregnated tooth for impregnated bit mainly comprises tooth post and crown two parts, and tooth post is mainly cylinder, cylindroid etc., and crown part is mostly single-curved surface, curve form is taper seat, hemisphere face or plane etc.Be conducive to impregnated bit with the impregnated bit of above-mentioned impregnated tooth and creep into the staggered stratum of soft or hard, but when its formation drilling of the impregnated tooth that bizet is plane and stratum contact area larger, therefore active shear action weak effect, in the time creeping into hard formation, affect drill bit operating efficiency, the own quality difference of hardness of existing impregnated tooth besides in addition, application life is short.
Utility model content
For solving the problem in background technology, the utility model provide a kind of reasonable in design, hardness is high, the high-performance impregnated tooth of long service life.
The technical solution of the utility model is:
A kind of high-performance impregnated tooth, comprises tooth post and crown, it is characterized in that: described crown comprises the oval arc surface that is arranged on centre position, tooth post upper end and the lateral plane that is arranged on oval arc surface both sides; The Yu Chizhu upper end, two ends of described oval arc surface is provided with beveled end surface, and the angle of described beveled end surface and tooth mast axis is 5-35 °; In described tooth post, be provided with some layers of diamond layer.
As a kind of technical scheme of optimization, in described tooth post, be horizontally arranged with three layers of diamond layer, wherein middle one deck is diamond layer, each one deck is synthetic diamond layer up and down.
As a kind of technical scheme of optimization, the junction of described oval arc surface and lateral plane forms work corner, and the angle of work corner is 70-85 °.
As a kind of technical scheme of optimization, described lateral plane is centrosymmetric and arranges on crown.
As a kind of technical scheme of optimization, in the middle of the two ends of described center circle cambered surface, with the axes intersect of tooth post, crossing angle is 80-60 °, the crown of low dip after contour or front height before and after forming.
Owing to having adopted technique scheme, compared with prior art, the utility model crown comprises oval arc surface and lateral plane; The Yu Chizhu upper end, two ends of described oval arc surface is provided with beveled end surface, and the angle of described beveled end surface and tooth mast axis is 5-35 °.In described tooth post, be provided with some layers of diamond layer.Above-mentioned design can ensure that hardness is high, long service life, and uses diamond to reduce costs, and is suitable for promoting the use of.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of a kind of embodiment of the utility model.
Detailed description of the invention
Embodiment
As shown in Figure 1, a kind of high-performance impregnated tooth, comprises tooth post 3 and crown.Described crown comprises the lateral plane 1 that is arranged on the oval arc surface 2 in centre position, tooth post upper end and is arranged on oval arc surface 2 both sides.The Yu Chizhu upper end, two ends of described oval arc surface 2 is provided with beveled end surface, and the angle of described beveled end surface and tooth mast axis is 5-35 °.In described tooth post 3, be provided with some layers of diamond layer.
In the present embodiment, be horizontally arranged with three layers of diamond layer in described tooth post, wherein middle one deck is diamond layer 5, and each one deck is synthetic diamond layer 4 up and down.
Described oval arc surface 1 forms work corner with the junction of lateral plane 2, and the angle of work corner is 70-85 °.Described lateral plane 2 is centrosymmetric and arranges on crown.
Have to be exactly, in the middle of the two ends of described center circle cambered surface, with the axes intersect of tooth post, crossing angle is 80-60 ° again, the crown of low dip after contour or front height before and after forming.
The utility model crown comprises oval arc surface and lateral plane.The Yu Chizhu upper end, two ends of described oval arc surface is provided with beveled end surface, and the angle of described beveled end surface and tooth mast axis is 5-35 °.In described tooth post, be provided with some layers of diamond layer.Above-mentioned design can ensure that hardness is high, long service life, and uses diamond to reduce costs, and is suitable for promoting the use of.
The utility model is not limited to above-mentioned preferred embodiment, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or akin technical scheme, all belong to protection domain of the present utility model.
Claims (5)
1. a high-performance impregnated tooth, comprises tooth post and crown, it is characterized in that: described crown comprises the oval arc surface that is arranged on centre position, tooth post upper end and the lateral plane that is arranged on oval arc surface both sides; The Yu Chizhu upper end, two ends of described oval arc surface is provided with beveled end surface, and the angle of described beveled end surface and tooth mast axis is 5-35 °; In described tooth post, be provided with some layers of diamond layer.
2. high-performance impregnated tooth according to claim 1, is characterized in that: in described tooth post, be horizontally arranged with three layers of diamond layer, wherein middle one deck is diamond layer, and each one deck is synthetic diamond layer up and down.
3. high-performance impregnated tooth according to claim 2, is characterized in that: the junction of described oval arc surface and lateral plane forms work corner, and the angle of work corner is 70-85 °.
4. high-performance impregnated tooth according to claim 3, is characterized in that: described lateral plane is centrosymmetric and arranges on crown.
5. high-performance impregnated tooth according to claim 4, is characterized in that: in the middle of the two ends of described center circle cambered surface, with the axes intersect of tooth post, crossing angle is 80-60 °, the crown of low dip after contour or front height before and after forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419093.7U CN203978293U (en) | 2014-07-28 | 2014-07-28 | A kind of high-performance impregnated tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419093.7U CN203978293U (en) | 2014-07-28 | 2014-07-28 | A kind of high-performance impregnated tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978293U true CN203978293U (en) | 2014-12-03 |
Family
ID=51975752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419093.7U Active CN203978293U (en) | 2014-07-28 | 2014-07-28 | A kind of high-performance impregnated tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978293U (en) |
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2014
- 2014-07-28 CN CN201420419093.7U patent/CN203978293U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Yongming Inventor after: Jing Yongsheng Inventor after: Zhao Qiuying Inventor after: Liang Hongbao Inventor after: Jing Liang Inventor before: Jing Yongsheng |
|
| COR | Change of bibliographic data |