JPS604693U - Joint structure of auger screw shaft, etc. - Google Patents
Joint structure of auger screw shaft, etc.Info
- Publication number
- JPS604693U JPS604693U JP3348383U JP3348383U JPS604693U JP S604693 U JPS604693 U JP S604693U JP 3348383 U JP3348383 U JP 3348383U JP 3348383 U JP3348383 U JP 3348383U JP S604693 U JPS604693 U JP S604693U
- Authority
- JP
- Japan
- Prior art keywords
- joint
- screw shaft
- auger screw
- concave
- joint structure
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図Ａ、 Ｂ及び第２図Ａ、 Ｂは従来例を示す凹継
手の縦断面図、同Ａ−Ａ断面図、凸継手の一部切断側面
図、同Ｂ−Ｂ断面図である。第３〜５図は本考案実施の
１例を示すもので、第３図Ａ。
Ｂは凹継手の縦断面図、同Ｃ−Ｃ線に沿う拡大断面図、
第４図は凸継手の側面図、第５図は結合状態の一部切断
側面図である。
図中の符号はそれぞれ下記部材を示す。１：凹継手、１
ａ：円形空所、１ｂ：多角形空所、１Ｃ：縦溝、ｌｄＨ
ロ７クピン孔、２：凸継手、１ｅ：縦孔、２ａ：円柱状
先端部、２ｂ：多角形状部、２Ｃ：突起、２ｄ：ロック
ピン孔、２ｅ：テーパ一部、２ｆ：切欠溝、３：ロック
爪、３ａ：支軸挿入孔、３ｂ：かぎ孔、４：支軸、５：
板ばね、６：パッキング。1A and 2B and FIGS. 2A and 2B are a vertical sectional view, a sectional view taken along the line AA, a partially cut side view and a sectional view taken along the BB line of a convex joint, respectively, showing a conventional example. 3 to 5 show an example of the implementation of the present invention; FIG. 3A; B is a vertical cross-sectional view of the concave joint, an enlarged cross-sectional view taken along line C-C,
FIG. 4 is a side view of the convex joint, and FIG. 5 is a partially cutaway side view of the joint. The symbols in the drawings indicate the following members, respectively. 1: Concave joint, 1
a: Circular void, 1b: Polygonal void, 1C: Vertical groove, ldH
B7 Cup pin hole, 2: Convex joint, 1e: Vertical hole, 2a: Cylindrical tip, 2b: Polygonal portion, 2C: Protrusion, 2d: Lock pin hole, 2e: Part of taper, 2f: Notch groove, 3 : Lock claw, 3a: Support shaft insertion hole, 3b: Key hole, 4: Support shaft, 5:
Leaf spring, 6: Packing.
Claims (1)
を有する凸継手とこれに嵌合する内面形状部を有する凹
継手との結合に於いて、前記凹継手に凸継手のテーパ一
部に沿って拡開するロック爪をスプリングの押圧下に設
けるとともに凸継手に該ロック爪と係合する切欠溝を設
けたことを特徴とするオーガースクリュー軸等の継手構
造。 ２ 前記ロック爪が多角形空所の対向する頂点の位置に
設けられたことを特徴とする実用新案登録請求の範囲第
１項に記載のオーガースクリュー軸等の継手構造。 ３ 前記ロック爪が細長丁字形で下端に支軸挿入孔、頭
部の一端にかぎ孔、頭部の他端に傾斜面を各形成したこ
とを特徴とする実用新案登録請求の範囲第１項に記載の
オーガースクリュー軸等の継手構造。 ４ 前記スプリングが凹継手の外周に沿って設けた板ば
ねであることを特徴とする実用新案登録請求の範囲第１
項に記載のオーガースクリュー軸等の継手構造。 ５ 前記スプリングが凹継手の外周に沿って設けたコイ
ルばねであることを特徴とする実用新案登録請求の範囲
第１項に記載のオーガースクリュー軸等の継手構造。[Claims for Utility Model Registration] 1. In the connection between a convex joint having a polygonal portion following a cylindrical tip portion through a tapered portion and a concave joint having an inner surface portion that fits into the convex joint, the concave A joint for an auger screw shaft, etc., characterized in that the joint is provided with a lock pawl that expands along a part of the taper of the convex joint under the pressure of a spring, and the convex joint is provided with a notched groove that engages with the lock pawl. structure. 2. A joint structure for an auger screw shaft or the like according to claim 1, wherein the lock claws are provided at opposing apexes of a polygonal cavity. 3. Utility model registration claim 1, characterized in that the lock pawl is in the shape of an elongated T-shape and has a support shaft insertion hole at the lower end, a hook hole at one end of the head, and an inclined surface at the other end of the head. Joint structure of auger screw shaft etc. described in . 4 Utility model registration claim 1, characterized in that the spring is a leaf spring provided along the outer periphery of the concave joint.
The joint structure of the auger screw shaft, etc. described in . 5. A joint structure for an auger screw shaft or the like according to claim 1, wherein the spring is a coil spring provided along the outer periphery of the concave joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3348383U JPS604693U (en) | 1983-03-10 | 1983-03-10 | Joint structure of auger screw shaft, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3348383U JPS604693U (en) | 1983-03-10 | 1983-03-10 | Joint structure of auger screw shaft, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604693U true JPS604693U (en) | 1985-01-14 |
Family
ID=30164273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3348383U Pending JPS604693U (en) | 1983-03-10 | 1983-03-10 | Joint structure of auger screw shaft, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04281986A (en) * | 1991-03-07 | 1992-10-07 | Sanwa Kiko Kk | Rod connector for excavator |
| JP2019194411A (en) * | 2018-05-01 | 2019-11-07 | 株式会社技研製作所 | Auger shaft jointing structure and auger drilling method |
| WO2020027057A1 (en) * | 2018-07-31 | 2020-02-06 | 住友建機株式会社 | Excavator |
-
1983
- 1983-03-10 JP JP3348383U patent/JPS604693U/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04281986A (en) * | 1991-03-07 | 1992-10-07 | Sanwa Kiko Kk | Rod connector for excavator |
| JP2019194411A (en) * | 2018-05-01 | 2019-11-07 | 株式会社技研製作所 | Auger shaft jointing structure and auger drilling method |
| WO2020027057A1 (en) * | 2018-07-31 | 2020-02-06 | 住友建機株式会社 | Excavator |
| CN112236562A (en) * | 2018-07-31 | 2021-01-15 | 住友建机株式会社 | Excavator |
| JPWO2020027057A1 (en) * | 2018-07-31 | 2021-09-09 | 住友建機株式会社 | Excavator |
| US11761168B2 (en) | 2018-07-31 | 2023-09-19 | Sumitomo Construction Machinery Co., Ltd. | Shovel |
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