JPH0214821U - - Google Patents
Info
- Publication number
- JPH0214821U JPH0214821U JP1988092901U JP9290188U JPH0214821U JP H0214821 U JPH0214821 U JP H0214821U JP 1988092901 U JP1988092901 U JP 1988092901U JP 9290188 U JP9290188 U JP 9290188U JP H0214821 U JPH0214821 U JP H0214821U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- bracket member
- retainer
- bracket
- boss
- 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
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2350/00—Machines or articles related to building
- F16C2350/26—Excavators
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Sealing Devices (AREA)
- Pivots And Pivotal Connections (AREA)
Description
第１図はこの考案にかかるピン結合部のシール
構造を示す要部断面図、第２図は第１図のＢ部詳
細図、第３図はシール部材付リテーナ、第４図は
油圧シヨベルの側面図、第５図は第４図のＡ―Ａ
より見たピン結合部の断面図である。
７，１７……ピン結合部、８，１８……ブラケ
ツト部材、９，１９……ボス部材、１２，１２′
……ピン、１４，１４′……給脂口、１５，１５
′……Ｏリング、２０……ピン挿嵌穴、２１，２
５，２６……シール部材、２２……リテーナ、２
３……ボルト部材。
Fig. 1 is a cross-sectional view of the main part showing the seal structure of the pin joint according to this invention, Fig. 2 is a detailed view of part B in Fig. 1, Fig. 3 is a retainer with a seal member, and Fig. 4 is a diagram of a hydraulic excavator. Side view, Figure 5 is A-A in Figure 4
FIG. 3 is a cross-sectional view of the pin joint section as seen from above. 7, 17... Pin joint portion, 8, 18... Bracket member, 9, 19... Boss member, 12, 12'
...Pin, 14, 14'... Greasing port, 15, 15
'...O-ring, 20...Pin insertion hole, 21,2
5, 26... Seal member, 22... Retainer, 2
3...Bolt member.
Claims (1)
され、かつそのピンに対して上記ボス部材が回動
自在に結合されたピン結合部において、上記ブラ
ケツト部材のピン挿嵌穴内周部に、ピン外周部の
全周にわたるシール部材を設け、一方、ブラケツ
ト部材の内側端面にピン軸心を中心とする同心円
に沿つて凹溝を形成し、その凹溝に対応して同形
状を有するシール部材付リテーナを設け、かつそ
のリテーナをピン軸心方向に移動自在に嵌合し、
さらにブラケツト部材にボルト部材を螺着し、そ
のボルト部材により上記シール部材付リテーナを
ブラケツト部材外側面側よりボス部材端面に押圧
可能に構成したことを特徴とするピン結合部のシ
ール構造。 A boss member is connected to the bracket member via a pin, and at a pin joint portion where the boss member is rotatably connected to the pin, an outer peripheral portion of the pin is attached to an inner peripheral portion of the pin insertion hole of the bracket member. A seal member is provided over the entire circumference of the bracket member, and a groove is formed along a concentric circle centered on the pin axis on the inner end surface of the bracket member, and a retainer with a seal member having the same shape is provided corresponding to the groove. and the retainer is fitted so as to be movable in the pin axial direction,
A sealing structure for a pin joint portion, further comprising a bolt member screwed onto the bracket member, and the retainer with the seal member can be pressed against the end face of the boss member from the outer side of the bracket member by the bolt member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988092901U JPH053772Y2 (en) | 1988-07-12 | 1988-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988092901U JPH053772Y2 (en) | 1988-07-12 | 1988-07-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0214821U true JPH0214821U (en) | 1990-01-30 |
| JPH053772Y2 JPH053772Y2 (en) | 1993-01-29 |
Family
ID=31317353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988092901U Expired - Lifetime JPH053772Y2 (en) | 1988-07-12 | 1988-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053772Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013147055A (en) * | 2012-01-17 | 2013-08-01 | Hitachi Constr Mach Co Ltd | Crawler for working machine |
-
1988
- 1988-07-12 JP JP1988092901U patent/JPH053772Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013147055A (en) * | 2012-01-17 | 2013-08-01 | Hitachi Constr Mach Co Ltd | Crawler for working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053772Y2 (en) | 1993-01-29 |