JPH0312958U - - Google Patents
Info
- Publication number
- JPH0312958U JPH0312958U JP6985689U JP6985689U JPH0312958U JP H0312958 U JPH0312958 U JP H0312958U JP 6985689 U JP6985689 U JP 6985689U JP 6985689 U JP6985689 U JP 6985689U JP H0312958 U JPH0312958 U JP H0312958U
- Authority
- JP
- Japan
- Prior art keywords
- collar
- pin
- attachment
- connecting pin
- constriction
- 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
- 238000010276 construction Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Description
第１図は本考案の実施例を示す縦断正面図、第
２図は従来例の断面図である。
１……アタツチメント、２……連結ピン、２ａ
……ネジ孔、３……カラー、４……ボルト（従来
例）、５……ダブルナツト（従来例）、６……ロ
ツクピン、６ａ……凹溝状くびれ、７……ボール
プランジヤ、７ａ……ボール、７ｂ……バネ。
FIG. 1 is a longitudinal sectional front view showing an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional example. 1... Attachment, 2... Connection pin, 2a
... Screw hole, 3 ... Collar, 4 ... Bolt (conventional example), 5 ... Double nut (conventional example), 6 ... Lock pin, 6a ... Groove-shaped constriction, 7 ... Ball plunger, 7a ... Ball, 7b...spring.
Claims (1)
を回動自在に連結するようにした建設機械のアタ
ツチメント連結装置において、アタツチメント１
の側面に前記連結ピン２の一端を挿通し得るカラ
ー３を突設し、該ピン２およびカラー３に直径方
向の貫通孔を穿設し、この貫通孔に、全長がカラ
ー３の外径と略等しく、抜止め頭部の厚さがカラ
ー３の厚さと略等しく、中央部外周に凹溝状のく
びれ６ａを有するロツクピン６を挿通し、前記連
結ピン２の端部中心部にネジ孔２ａを設け、該ネ
ジ孔２ａに先端部に前記くびれ６ａと係合するボ
ール７ａを備えたボールプランジヤ７を進退自在
に螺合してなることを特徴とする建設機械のピン
固定装置。 Attachment 1 to the support by connecting pin 2
In an attachment coupling device for construction machinery, the attachment 1 is rotatably coupled to the
A collar 3 through which one end of the connecting pin 2 can be inserted is provided protrudingly on the side surface of the collar 3, a through hole is formed in the pin 2 and the collar 3 in the diametrical direction, and the entire length is equal to the outer diameter of the collar 3. A locking pin 6 having a groove-like constriction 6a on the outer periphery of the center portion is inserted into the locking pin 6, and the screw hole 2a is inserted into the center of the end portion of the connecting pin 2. A pin fixing device for a construction machine, characterized in that a ball plunger 7 having a ball 7a at its tip end that engages with the constriction 6a is screwed into the screw hole 2a so as to be movable forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6985689U JPH0312958U (en) | 1989-06-16 | 1989-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6985689U JPH0312958U (en) | 1989-06-16 | 1989-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312958U true JPH0312958U (en) | 1991-02-08 |
Family
ID=31605520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6985689U Pending JPH0312958U (en) | 1989-06-16 | 1989-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312958U (en) |
-
1989
- 1989-06-16 JP JP6985689U patent/JPH0312958U/ja active Pending
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