CN211448530U - Engineering thin-wall diamond drill bit - Google Patents
Engineering thin-wall diamond drill bit Download PDFInfo
- Publication number
- CN211448530U CN211448530U CN201922275581.0U CN201922275581U CN211448530U CN 211448530 U CN211448530 U CN 211448530U CN 201922275581 U CN201922275581 U CN 201922275581U CN 211448530 U CN211448530 U CN 211448530U
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- China
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- cutter teeth
- wall
- drill rod
- thickness
- cutter
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Abstract
The utility model discloses an engineering thin-wall diamond drill bit, which comprises a drill rod and cutter teeth, wherein the drill rod is cylindrical, the upper end surface of the drill rod is welded with a plurality of cutter teeth, and the cutter teeth are of arc-shaped sheet structures; the thickness of the cutter teeth is greater than that of the wall of the drill rod cylinder; and two sides of part of the cutter teeth B in the plurality of cutter teeth all exceed the wall of the drill rod cylinder during welding, the inner side of the other part of the cutter teeth A is flush with the inner wall of the drill rod during welding, and the thickness of the outer side of the cutter teeth A exceeding the outer wall of the drill rod is the same as the thickness of the cutter teeth B exceeding the outer wall of the drill rod. The utility model relates to a conveniently get the core, no matter the core leans on to which direction, as long as rotate the core and make it reach the position that sword tooth and drilling rod inner wall are flat and just can take out the core, improved the drill bit and got the difficult problem of core.
Description
Technical Field
The utility model relates to a diamond bit field, concretely relates to engineering thin wall diamond bit.
Background
The cutter teeth on the traditional drill bit are connected with the drill rod in a welding mode, the cutter teeth are 1-3mm thicker than the drill rod, the outer side of the cutter teeth is larger than the drill rod so as to ensure that the drill rod does not rub with the hole wall in the drilling process, the inner side of the cutter teeth is larger than the drill rod so as to ensure that the diameter of a drilled core is smaller than that of an inner core of the drill rod, and the drilled core is conveniently taken out from the drill rod. The utility model relates to a conveniently get the core, as long as rotate the core and make its position that reachs the sword tooth and the drilling rod inner wall is flat just can take out the core, improved the drill bit and got the difficult problem of core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering thin wall diamond bit to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: an engineering thin-wall diamond drill bit comprises a drill rod and cutter teeth, wherein the drill rod is of a cylindrical structure, the upper end face of the drill rod is connected with a plurality of cutter teeth in a welding mode, and the cutter teeth are of arc-shaped sheet structures; the thickness of the cutter teeth is greater than that of the wall of the drill rod cylinder; the plurality of cutter teeth are divided into cutter teeth A and cutter teeth B, wherein the two sides of the cutter teeth B exceed the wall of the drill rod cylinder when welding, the inner side of the cutter teeth A is flush with the inner wall of the drill rod when welding, and the thickness of the outer side of the cutter teeth A exceeding the outer wall of the drill rod is the same as the thickness of the cutter teeth B exceeding the outer wall of the drill rod.
Preferably, the number of the cutter teeth A is not less than 2, and at least one of two cutter teeth adjacent to the cutter teeth A is also the cutter teeth A.
Preferably, the thickness of the cutter tooth A is 0.5-1.5mm thinner than that of the cutter tooth B.
Preferably, the thickness of the inner side and the outer side of the cutter tooth B exceeding the inner wall and the outer wall of the drill rod is 0.5-1.5 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a conveniently get the core, as long as rotate the core and make its position that reachs the sword tooth and the drilling rod inner wall is flat just can take out the core, improved the drill bit and got the difficult problem of core.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, an engineering thin-wall diamond drill bit comprises a drill rod and cutter teeth, wherein the drill rod is of a cylindrical structure, the upper end surface of the drill rod is connected with a plurality of cutter teeth in a welding manner, and the cutter teeth are of arc-shaped sheet structures; the thickness of the cutter teeth is greater than that of the wall of the drill rod cylinder; the plurality of cutter teeth are divided into cutter teeth A and cutter teeth B, wherein the two sides of the cutter teeth B exceed the wall of the drill rod cylinder when welding, the inner side of the cutter teeth A is flush with the inner wall of the drill rod when welding, and the thickness of the outer side of the cutter teeth A exceeding the outer wall of the drill rod is the same as the thickness of the cutter teeth B exceeding the outer wall of the drill rod.
Furthermore, the number of the cutter teeth A is 2, the number of the cutter teeth B is 6, and the 2 cutter teeth A are adjacent.
Furthermore, the thickness of the cutter tooth A is 0.5mm thinner than that of the cutter tooth B.
Furthermore, the thickness of the inner side and the outer side of the cutter tooth B exceeding the inner wall and the outer wall of the drill rod is 0.5mm.
Example 2
An engineering thin-wall diamond drill bit comprises a drill rod and cutter teeth, wherein the drill rod is of a cylindrical structure, the upper end face of the drill rod is connected with a plurality of cutter teeth in a welding mode, and the cutter teeth are of arc-shaped sheet structures; the thickness of the cutter teeth is greater than that of the wall of the drill rod cylinder; the plurality of cutter teeth are divided into cutter teeth A and cutter teeth B, wherein the two sides of the cutter teeth B exceed the wall of the drill rod cylinder when welding, the inner side of the cutter teeth A is flush with the inner wall of the drill rod when welding, and the thickness of the outer side of the cutter teeth A exceeding the outer wall of the drill rod is the same as the thickness of the cutter teeth B exceeding the outer wall of the drill rod.
Furthermore, the number of the cutter teeth A is 3, the number of the cutter teeth B is 7, and the 3 cutter teeth A are adjacent.
Furthermore, the thickness of the cutter tooth A is 1.5mm thinner than that of the cutter tooth B.
Furthermore, the thickness of the inner side and the outer side of the cutter tooth B exceeding the inner wall and the outer wall of the drill rod is 1.5mm.
Example 3
An engineering thin-wall diamond drill bit comprises a drill rod and cutter teeth, wherein the drill rod is of a cylindrical structure, the upper end face of the drill rod is connected with a plurality of cutter teeth in a welding mode, and the cutter teeth are of arc-shaped sheet structures; the thickness of the cutter teeth is greater than that of the wall of the drill rod cylinder; the plurality of cutter teeth are divided into cutter teeth A and cutter teeth B, wherein the two sides of the cutter teeth B exceed the wall of the drill rod cylinder when welding, the inner side of the cutter teeth A is flush with the inner wall of the drill rod when welding, and the thickness of the outer side of the cutter teeth A exceeding the outer wall of the drill rod is the same as the thickness of the cutter teeth B exceeding the outer wall of the drill rod.
Furthermore, the number of the cutter teeth A is 4, the number of the cutter teeth B is 4, two groups of the 4 cutter teeth A are divided into two groups, two cutter teeth of each group are adjacent, and the two groups are not adjacent.
Furthermore, the thickness of the cutter tooth A is 1mm thinner than that of the cutter tooth B.
Furthermore, the thickness of the inner side and the outer side of the cutter tooth B exceeding the inner wall and the outer wall of the drill rod is 1mm.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make modifications or changes equivalent to the above disclosed technical content without departing from the technical scope of the present invention.
Claims (4)
1. An engineering thin-wall diamond drill bit comprises a drill rod and cutter teeth, and is characterized in that the drill rod is of a cylindrical structure, a plurality of cutter teeth are welded and connected to the upper end face of the drill rod, and the cutter teeth are of arc-shaped sheet structures; the thickness of the cutter teeth is greater than that of the wall of the drill rod cylinder; the cutter teeth are divided into cutter teeth A and cutter teeth B, wherein two sides of the cutter teeth B exceed the wall of the drill rod cylinder when welding, the inner side of the cutter teeth A is flush with the inner wall of the drill rod when welding, and the thickness of the outer side of the cutter teeth A exceeding the outer wall of the drill rod is the same as the thickness of the cutter teeth B exceeding the outer wall of the drill rod.
2. The engineering thin-wall diamond drill bit according to claim 1, characterized in that the number of the cutter teeth A is not less than 2, and at least one of two cutter teeth adjacent to the cutter teeth A is also the cutter teeth A.
3. An engineered slim-wall diamond drill bit according to claim 2, wherein the thickness of said cutting teeth a is 0.5-1.5mm thinner than the thickness of said cutting teeth B.
4. An engineering thin-wall diamond drill bit according to claim 3, characterized in that the thickness of the inner side and the outer side of the cutter tooth B beyond the inner wall and the outer wall of the drill rod is 0.5-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922275581.0U CN211448530U (en) | 2019-12-18 | 2019-12-18 | Engineering thin-wall diamond drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922275581.0U CN211448530U (en) | 2019-12-18 | 2019-12-18 | Engineering thin-wall diamond drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448530U true CN211448530U (en) | 2020-09-08 |
Family
ID=72304798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922275581.0U Expired - Fee Related CN211448530U (en) | 2019-12-18 | 2019-12-18 | Engineering thin-wall diamond drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183079A (en) * | 2021-11-15 | 2022-03-15 | 河南黄河旋风股份有限公司 | Drill barrel with water adding and slag discharging functions |
-
2019
- 2019-12-18 CN CN201922275581.0U patent/CN211448530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183079A (en) * | 2021-11-15 | 2022-03-15 | 河南黄河旋风股份有限公司 | Drill barrel with water adding and slag discharging functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |