JPH0463811U - - Google Patents
Info
- Publication number
- JPH0463811U JPH0463811U JP1990107411U JP10741190U JPH0463811U JP H0463811 U JPH0463811 U JP H0463811U JP 1990107411 U JP1990107411 U JP 1990107411U JP 10741190 U JP10741190 U JP 10741190U JP H0463811 U JPH0463811 U JP H0463811U
- Authority
- JP
- Japan
- Prior art keywords
- boss
- pin
- circumferential surface
- oil
- lubricating
- 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
- 239000003921 oil Substances 0.000 claims 4
- 230000001050 lubricating effect Effects 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 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)
- Pivots And Pivotal Connections (AREA)
Description
第１図はこの考案にかかるピン結合部を示す断
面図、第２図は第１図のＢ部詳細図、第３図は油
圧シヨベルの要部側面図、第４図は第３図のＡ−
Ａより見た従来技術のピン結合部の断面図である
。
１０，２２……ピン結合部、１１……ブラケツ
ト、１２，２３……ボス、１３，１３′……ボス
穴、１４……ブツシユ、１５……油溝、１７，１
７′……ピン、１９，２７……シール部材、２４
……油室、２５……給油ポート、２６……プラグ
、２９……オイルシールリツプ、３０……ダスト
シールリツプ。
Figure 1 is a sectional view showing the pin joint according to this invention, Figure 2 is a detailed view of part B in Figure 1, Figure 3 is a side view of the main part of the hydraulic excavator, and Figure 4 is A in Figure 3. −
FIG. 3 is a cross-sectional view of a prior art pin coupling section as seen from A. 10, 22... Pin connection part, 11... Bracket, 12, 23... Boss, 13, 13'... Boss hole, 14... Bush, 15... Oil groove, 17, 1
7'... Pin, 19, 27... Seal member, 24
... Oil chamber, 25 ... Oil supply port, 26 ... Plug, 29 ... Oil seal lip, 30 ... Dust seal lip.
Claims (1)
のブツシユ内周面に円周方向又は斜方向に油溝を
形成し、またブラケツトに相対するボスの端面部
にシール部材を取付けるようにし、かつボスをブ
ラケツトに対しピンを介して街道自在に連結し、
上記ブツシユ内周面とピン外周面との摺動部に対
し潤滑を行うようにしたピン結合部において、ボ
ス内部に潤滑用油を充填できる油室を形成し、そ
の油室と、ブツシユ内周面の油溝とを通じるよう
にし、またボス端面部のボス穴に対しシール部材
の外周面を油密に嵌着し、またそのシール部材の
リツプ内周部をピン外周面に対し緊縛力を加えた
状態で接触せしめるとともに、ボス外周部に穿設
した油室用給油ポートにプラグを螺着し、上記ボ
スの内部に潤滑用油を密封状態に保持するように
したことを特徴とするピン結合部の給油構造。 A bushing is press-fitted into the boss hole of the boss, an oil groove is formed in the circumferential direction or diagonally on the inner peripheral surface of the bushing, and a sealing member is attached to the end face of the boss facing the bracket. is freely connected to the bracket via the pin,
In the pin joint part that lubricates the sliding part between the inner circumferential surface of the bush and the outer circumferential surface of the pin, an oil chamber that can be filled with lubricating oil is formed inside the boss, and the oil chamber and the inner circumferential surface of the bush The outer circumferential surface of the seal member should be oil-tightly fitted into the boss hole on the end face of the boss, and the inner circumference of the lip of the seal member should be in contact with the outer circumferential surface of the pin. The pin is characterized in that the lubricating oil is kept in a sealed state inside the boss by screwing a plug into a lubricating port for an oil chamber bored on the outer periphery of the boss. Lubricating structure for joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990107411U JP2536264Y2 (en) | 1990-10-11 | 1990-10-11 | Lubrication structure of pin joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990107411U JP2536264Y2 (en) | 1990-10-11 | 1990-10-11 | Lubrication structure of pin joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0463811U true JPH0463811U (en) | 1992-05-29 |
| JP2536264Y2 JP2536264Y2 (en) | 1997-05-21 |
Family
ID=31853920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990107411U Expired - Lifetime JP2536264Y2 (en) | 1990-10-11 | 1990-10-11 | Lubrication structure of pin joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536264Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017115424A (en) * | 2015-12-24 | 2017-06-29 | 株式会社クボタ | Working machine |
-
1990
- 1990-10-11 JP JP1990107411U patent/JP2536264Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017115424A (en) * | 2015-12-24 | 2017-06-29 | 株式会社クボタ | Working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536264Y2 (en) | 1997-05-21 |