JPH01113620U - - Google Patents
Info
- Publication number
- JPH01113620U JPH01113620U JP896988U JP896988U JPH01113620U JP H01113620 U JPH01113620 U JP H01113620U JP 896988 U JP896988 U JP 896988U JP 896988 U JP896988 U JP 896988U JP H01113620 U JPH01113620 U JP H01113620U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- male
- rotary
- female
- diameter
- 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
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Description
第１図は本考案実施例のロツド継手のねじ構造
を示す説明図、第２図はロツド継手の要部の断面
図、第３図はカツプリングの要部の断面図、第４
図は使用状態を示す説明図、第５図はテーパねじ
形状としたロツド継手のねじ構造を示す断面図、
第６図は従来のロツド継手のねじ構造を示す説明
図である。
１：ロツド継手、２：カツプリング、３：雌ね
じ形成部、４：雌ねじ始端部、５：雌ねじ形成部
谷径、６：ねじ山、７：雌ねじ終端部、８：雄ね
じ形成部、９：雄ねじ形成部外径、１０：雄ねじ
始端部。
Fig. 1 is an explanatory diagram showing the screw structure of the rod joint according to the embodiment of the present invention, Fig. 2 is a sectional view of the main part of the rod joint, Fig. 3 is a sectional view of the main part of the coupling, and Fig. 4 is a sectional view of the main part of the coupling.
The figure is an explanatory diagram showing the state of use, and Figure 5 is a sectional view showing the thread structure of a rod joint with a tapered thread shape.
FIG. 6 is an explanatory diagram showing the thread structure of a conventional rod joint. 1: Rod joint, 2: Coupling, 3: Female thread forming part, 4: Female thread starting end, 5: Female thread forming part root diameter, 6: Thread thread, 7: Female thread ending part, 8: Male thread forming part, 9: Male thread forming Outside diameter, 10: Starting end of male thread.
Claims (1)
じと螺着して延長するようにしたロータリパーカ
ツシヨン及びロータリドリルのロツド継手におい
て、雄ねじ形成部外径を雄ねじ始端部が最小径と
なるテーパ状に形成し、同雄ねじ部に螺着したロ
ツド継手の雌ねじ部の谷の深さを雄ねじ部の各ね
じ山の高さに合せて深くし雌ねじ形成部谷径を雌
ねじ始端部が最大径となるテーパ状に形成したこ
とを特徴とするロータリパーカツシヨン及びロー
タリドリルのロツド継手のねじ構造。 In rotary percuts and rod joints for rotary drills, in which the female thread formed at the end is screwed into the male thread of a coupling or the like and extended, the outer diameter of the male thread forming part is tapered so that the minimum diameter is at the starting end of the male thread. The depth of the valley of the female threaded part of the rod joint that is formed and screwed onto the same male threaded part is deepened to match the height of each thread of the male threaded part, and the diameter of the valley of the female thread forming part is tapered so that the maximum diameter is at the starting end of the female thread. A threaded structure of a rod joint of a rotary percution and a rotary drill, which is characterized by being formed into a shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988008969U JPH0626746Y2 (en) | 1988-01-26 | 1988-01-26 | Screw structure of rod joints of rotary percussion and rotary drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988008969U JPH0626746Y2 (en) | 1988-01-26 | 1988-01-26 | Screw structure of rod joints of rotary percussion and rotary drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01113620U true JPH01113620U (en) | 1989-07-31 |
| JPH0626746Y2 JPH0626746Y2 (en) | 1994-07-20 |
Family
ID=31215305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988008969U Expired - Lifetime JPH0626746Y2 (en) | 1988-01-26 | 1988-01-26 | Screw structure of rod joints of rotary percussion and rotary drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626746Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124821A (en) * | 1984-07-12 | 1986-02-03 | Masanori Mochizuki | Shaft coupling |
-
1988
- 1988-01-26 JP JP1988008969U patent/JPH0626746Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124821A (en) * | 1984-07-12 | 1986-02-03 | Masanori Mochizuki | Shaft coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626746Y2 (en) | 1994-07-20 |