JPH0376089U - - Google Patents
Info
- Publication number
- JPH0376089U JPH0376089U JP13615489U JP13615489U JPH0376089U JP H0376089 U JPH0376089 U JP H0376089U JP 13615489 U JP13615489 U JP 13615489U JP 13615489 U JP13615489 U JP 13615489U JP H0376089 U JPH0376089 U JP H0376089U
- Authority
- JP
- Japan
- Prior art keywords
- inner cylinder
- adapter
- cylinder
- annular groove
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 3
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１〜５図は本考案を具体化した一実施例を示
し、第１図は内筒及び外筒の一部を省略して示す
回転穿孔具の組付け状態の断面図、第２図は回転
穿孔具の分解斜視図、第３図はアダプタに対する
内筒の取付部分の拡大断面図、第４図は内筒及び
外筒の先端部分の拡大断面図、第５図は第１図に
おける−線断面図、第６図はアダプタの別例
を示す部分断面図である。
１……アダプタ、３……電動機、４……回転軸
、９……環状溝、１１……流体供給路、１４……
排出口、１５……排出路、２２……内筒、２６…
…切削刃としてのダイヤモンドセグメント、２７
……連通孔、２８……ガイド溝、２９……外筒、
Ａ……流体としての圧縮空気、Ｃ……流通路。
1 to 5 show an embodiment embodying the present invention, FIG. 1 is a sectional view of the rotary drilling tool in an assembled state, with parts of the inner cylinder and outer cylinder omitted, and FIG. An exploded perspective view of the rotary drilling tool, FIG. 3 is an enlarged sectional view of the attachment part of the inner cylinder to the adapter, FIG. 4 is an enlarged sectional view of the tip portions of the inner cylinder and the outer cylinder, and FIG. A line sectional view and FIG. 6 are partial sectional views showing another example of the adapter. 1... Adapter, 3... Electric motor, 4... Rotating shaft, 9... Annular groove, 11... Fluid supply path, 14...
Discharge port, 15... Discharge path, 22... Inner cylinder, 26...
...Diamond segment as a cutting edge, 27
...Communication hole, 28...Guide groove, 29...Outer cylinder,
A...Compressed air as a fluid, C...Flow path.
Claims (1)
れるアダプタ１と、 前記アダプタ１に取付けられ、先端部に多数個
の切削刃２６が設けられた内筒２２と、 前記内筒２２に外嵌固定された外筒２９と からなる回転穿孔具において、 前記アダプタ１には、その基端側から供給され
る流体Ａを、同アダプタ１外周面の環状溝９へ導
く流体供給路１１を形成するとともに、前記環状
溝９と対応する内筒２２基端部には、その内外を
連通させる連通孔２７を設け、同連通孔２７から
吹き出された流体Ａを内筒２２先端部から噴出さ
せるように導く流通路Ｃを、内筒２２と外筒２９
との間に設けるために、前記連通孔２７から内筒
２２先端部へ向かつて延びるガイド溝２８を内筒
２２外周面に形成し、さらに、前記アダプタ１に
は穿孔時に生ずる切削粉を、内筒２２を経てアダ
プタ１外周面の排出口１４へ導く排出路１５を設
けたことを特徴とする回転穿孔具。 ２ 内筒２２の基端部をアダプタ１先端部に螺合
し、その螺合部分よりも先端側のアダプタ１外周
面に環状溝９を設け、前記流体供給路１１をその
環状溝９において開口させたことを特徴とする請
求項１記載の回転穿孔具。[Claims for Utility Model Registration] 1. An adapter 1 that is integrally rotatably connected to a rotating shaft 4 of an electric motor 3, and an inner cylinder 22 that is attached to the adapter 1 and that has a number of cutting blades 26 at its tip. and an outer cylinder 29 externally fitted and fixed to the inner cylinder 22, wherein the adapter 1 is supplied with fluid A from its proximal end through an annular groove 9 on the outer peripheral surface of the adapter 1. At the base end of the inner cylinder 22 corresponding to the annular groove 9, a communication hole 27 is provided to communicate the inside and outside of the inner cylinder 22, and the fluid A blown out from the communication hole 27 is connected to the inner cylinder. A flow path C that guides the jet from the tip of the cylinder 22 is connected to the inner cylinder 22 and the outer cylinder 29.
A guide groove 28 extending from the communication hole 27 toward the tip of the inner cylinder 22 is formed on the outer circumferential surface of the inner cylinder 22 in order to provide a guide groove 28 between the adapter 1 and the inner cylinder 22. A rotary drilling tool characterized by being provided with a discharge path 15 leading to a discharge port 14 on the outer peripheral surface of the adapter 1 through a cylinder 22. 2. Screw the proximal end of the inner cylinder 22 onto the distal end of the adapter 1, provide an annular groove 9 on the outer peripheral surface of the adapter 1 on the distal side of the threaded portion, and open the fluid supply path 11 in the annular groove 9. The rotary drilling tool according to claim 1, characterized in that:
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13615489U JPH0750470Y2 (en) | 1989-11-25 | 1989-11-25 | Rotary punch |
| EP90312600A EP0430536B1 (en) | 1989-11-25 | 1990-11-20 | Drill |
| DE69007241T DE69007241T2 (en) | 1989-11-25 | 1990-11-20 | Hollow drill. |
| US07/616,318 US5092716A (en) | 1989-11-25 | 1990-11-21 | Drill and method for using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13615489U JPH0750470Y2 (en) | 1989-11-25 | 1989-11-25 | Rotary punch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0376089U true JPH0376089U (en) | 1991-07-30 |
| JPH0750470Y2 JPH0750470Y2 (en) | 1995-11-15 |
Family
ID=31683378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13615489U Expired - Lifetime JPH0750470Y2 (en) | 1989-11-25 | 1989-11-25 | Rotary punch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750470Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135234A (en) * | 2021-12-13 | 2022-03-04 | 河南黄河旋风股份有限公司 | Drilling system capable of adaptively retracting and releasing water pipe |
-
1989
- 1989-11-25 JP JP13615489U patent/JPH0750470Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135234A (en) * | 2021-12-13 | 2022-03-04 | 河南黄河旋风股份有限公司 | Drilling system capable of adaptively retracting and releasing water pipe |
| CN114135234B (en) * | 2021-12-13 | 2022-08-16 | 河南黄河旋风股份有限公司 | Drilling system capable of adaptively retracting and releasing water pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0750470Y2 (en) | 1995-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |