JPS6238051Y2 - - Google Patents
Info
- Publication number
- JPS6238051Y2 JPS6238051Y2 JP6209583U JP6209583U JPS6238051Y2 JP S6238051 Y2 JPS6238051 Y2 JP S6238051Y2 JP 6209583 U JP6209583 U JP 6209583U JP 6209583 U JP6209583 U JP 6209583U JP S6238051 Y2 JPS6238051 Y2 JP S6238051Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- bosses
- shaped
- star
- lip
- 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.)
- Expired
Links
- 238000007789 sealing Methods 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Sealing Devices (AREA)
Description
【考案の詳細な説明】
本考案はバケツトのボスとアームのボス間の隙
間に装着されるシール装置に関するものである。[Detailed Description of the Invention] The present invention relates to a sealing device installed in the gap between the boss of a bucket and the boss of an arm.
バケツトのボスａとアームのボスｂの間にダス
トが侵入しボスａ，ｂの端面が摩耗し、その結果
ガタツキと騒音が発生し作業性に影響していた。 Dust entered between the boss a of the bucket and the boss b of the arm, causing the end faces of bosses a and b to wear out, resulting in rattling and noise, which affected workability.
これを防止するために第２図に示すように、ボ
スａ，ｂの対向端面ｃ，ｄでＶ形溝ｅを形成し、
このＶ形溝ｅにＯリングｆを設け、Ｏリングｆの
緊迫力で隙間ｇを封じるようにしていた。 To prevent this, as shown in FIG. 2, V-shaped grooves e are formed on the opposing end surfaces c and d of bosses a and b,
An O-ring f was provided in this V-shaped groove e, and the gap g was sealed by the tension of the O-ring f.
しかしこのようなものではダストの侵入防止が
不十分であり、Ｏリングｆのかじりが生じてい
た。 However, with this type of ring, prevention of dust intrusion was insufficient, and galling of the O-ring f occurred.
本考案は上記の事情に鑑みなされたものであつ
て、その目的とするところはボス間の隙間へのダ
ストの侵入はなくなつてダストの侵入によつて生
じた摩耗がなくなりガタツキや騒音が減少し作業
機（バケツト、アーム等）の寿命を伸ばすことが
可能なシール装置を提供することにある。 The present invention was developed in view of the above circumstances, and its purpose is to eliminate the intrusion of dust into the gaps between the bosses, eliminate the wear caused by the intrusion of dust, and reduce rattling and noise. The purpose of the present invention is to provide a sealing device that can extend the life of working machines (buckets, arms, etc.).
以下、本考案を第３図以下を参照して説明す
る。 Hereinafter, the present invention will be explained with reference to FIG. 3 and subsequent figures.
図面中１はバケツトの取付ブラケツト２に設け
られたボスであり、３はアームまたはリンクのボ
スである。ボス１にはピン４が挿入固定してあ
り、このピン４にブツシユ５を介してボス３が回
転可能に取付けられている。ブツシユ５の両端側
にはオイルシール６が設けてある。そして両ボス
１，３の端面７，８間にはスペーサ９が介装して
ある。また両ボス１，３の端面７，８間にはシー
ル部材１０と星形Ｏリング１１とが設けてある。 In the drawings, numeral 1 is a boss provided on a mounting bracket 2 of the bucket, and numeral 3 is a boss of an arm or link. A pin 4 is inserted and fixed into the boss 1, and the boss 3 is rotatably attached to the pin 4 via a bush 5. Oil seals 6 are provided at both ends of the bush 5. A spacer 9 is interposed between the end faces 7 and 8 of both bosses 1 and 3. Further, a sealing member 10 and a star-shaped O-ring 11 are provided between the end faces 7 and 8 of both the bosses 1 and 3.
シール部材１０はリング本体１２を備えてお
り、このリング本体１２の外周部には左右のリツ
プ部１３，１４が突設してある。左右のリツプ部
１３，１４は外方（左、右方）に拡開するもので
ある。このシール部材１０はウレタンのような材
料で作成されていてその硬さHsは92である。 The sealing member 10 includes a ring body 12, and left and right lip portions 13 and 14 are protruded from the outer circumference of the ring body 12. The left and right lip portions 13 and 14 expand outward (to the left and right). This seal member 10 is made of a material such as urethane, and has a hardness Hs of 92.
星形Ｏリング１１はリング本体１５を備えてお
り、このリング本体１５の内周部にはリツプ１６
がまたリング本体１５の外周部の左右にはリツプ
１７，１８がそれぞれ突設してある。 The star-shaped O-ring 11 includes a ring body 15, and a lip 16 is provided on the inner circumference of the ring body 15.
Furthermore, lips 17 and 18 are provided on the left and right sides of the outer periphery of the ring body 15, respectively.
この星形Ｏリング１１はクロロプレン（ネオプ
レン）のような材料で作成してありその硬さHs
は70である。 This star-shaped O-ring 11 is made of a material such as chloroprene (neoprene), and its hardness is Hs.
is 70.
そして、シール部材１０が前記ボス１，３の端
面７，８間に介装された状態では左のリツプ部１
３はボス３の端面８に、右のリツプ部１４はボス
１の端面７はそれぞれ圧接している。また星形Ｏ
リング１１がボス１，３の端面７，８間に介装さ
れた状態ではリング本体１５はシール部材１０の
リツプ部１３，１４間にあつて、リング本体１５
が縮もうとする力でリツプ部１３，１４を拡開さ
せてリツプ部１３，１４をボス３，１の端面８，
７に押しつけて緊迫力を与えている。 When the seal member 10 is interposed between the end surfaces 7 and 8 of the bosses 1 and 3, the left lip portion 1
3 is in pressure contact with the end surface 8 of the boss 3, and the right lip portion 14 is in pressure contact with the end surface 7 of the boss 1. Also star-shaped O
When the ring 11 is interposed between the end faces 7 and 8 of the bosses 1 and 3, the ring body 15 is located between the lip portions 13 and 14 of the seal member 10, and the ring body 15
The lip portions 13, 14 are expanded by the force of the shrinking force, and the lip portions 13, 14 are attached to the end surfaces 8, 1 of the bosses 3, 1.
7, giving it a sense of tension.
また星形Ｏリング１１の左右のリツプ１７，１
８はボス３，１の端面８，７に圧接していてリツ
プ１７，１８とリツプ部１３，１４とで二重のシ
ールを行つている。 Also, the left and right lips 17, 1 of the star-shaped O-ring 11
8 is in pressure contact with the end faces 8, 7 of the bosses 3, 1, and the lips 17, 18 and the lip portions 13, 14 form a double seal.
このためにボス１，３の端面７，８間にはダス
トの侵入が阻止されている。 This prevents dust from entering between the end surfaces 7 and 8 of the bosses 1 and 3.
本考案は以上詳述したように、シール部材１０
を、リング本体１２の外周部に左右に拡開する左
右のリツプ部１３，１４を設けて構成し、星形Ｏ
リング１１を少くともリング本体１５の外周側に
左右のリツプ１７，１８を設けて構成し、ボス
１，３の端面７，８間に、スペーサ９に重ねてシ
ール部材１０とこのシール部材１０に重ねて星形
Ｏリング１１を介装し、星形Ｏリング１１のリン
グ本体１５をリツプ部１３，１４間に挿入してリ
ツプ部１３，１４をボス３，１の端面８，７に圧
接させると共に星形Ｏリング１１のリツプ１７，
１８をボス３，１の端面８，７に圧接させたこと
を特徴とするシール装置である。 As described in detail above, the present invention has a sealing member 10.
is constructed by providing left and right lip portions 13 and 14 on the outer periphery of the ring body 12, which expand to the left and right, forming a star-shaped O.
The ring 11 is constructed by providing left and right lips 17 and 18 on at least the outer circumferential side of the ring body 15, and is stacked on the spacer 9 between the end surfaces 7 and 8 of the bosses 1 and 3, and is attached to the seal member 10. The star-shaped O-rings 11 are stacked on top of each other, and the ring body 15 of the star-shaped O-ring 11 is inserted between the lip parts 13 and 14, so that the lip parts 13 and 14 are pressed against the end surfaces 8 and 7 of the bosses 3 and 1. together with the lip 17 of the star-shaped O-ring 11,
18 is brought into pressure contact with the end surfaces 8, 7 of the bosses 3, 1.
したがつて、リツプ部１３，１４とリツプ１
７，１８とがボス３，１の端面８，７に圧接して
二重のシール機能を発揮し、しかも星形Ｏリング
１１のリング本体１５がリツプ部１３，１４を圧
迫し圧接力を高めているので、ボス１，３間の隙
間へのダストの侵入はなくなる。このためにダス
トの侵入によつて生じた摩耗がなくなりガタツキ
や騒音が減少し作業機（バケツト、アーム等）の
寿命を伸ばすことができる。 Therefore, the lip parts 13 and 14 and the lip 1
7 and 18 press against the end faces 8 and 7 of the bosses 3 and 1 to exert a double sealing function, and the ring body 15 of the star-shaped O-ring 11 presses against the lip portions 13 and 14 to increase the pressure contact force. As a result, dust will not enter the gap between bosses 1 and 3. This eliminates wear caused by the ingress of dust, reduces rattling and noise, and extends the life of the working equipment (bucket, arm, etc.).
第１図はバケツトボスとアームボスとの間の隙
間の説明図、第２図は従来のシール装置の縦断面
図、第３図は本考案一実施例の縦断面図、第４図
は第３図部の拡大図である。
１，３はボス、１０はシール部材、１１は星形
Ｏリング、１３，１４はリツプ部、１７，１８は
リツプ。
Fig. 1 is an explanatory diagram of the gap between the bucket boss and the arm boss, Fig. 2 is a vertical cross-sectional view of a conventional sealing device, Fig. 3 is a longitudinal cross-sectional view of an embodiment of the present invention, and Fig. 4 is a vertical cross-sectional view of an embodiment of the present invention. FIG. 1 and 3 are bosses, 10 is a sealing member, 11 is a star-shaped O-ring, 13 and 14 are lip parts, and 17 and 18 are lips.
Claims (1)
左右に拡開する左右のリツプ部１３，１４を設け
て構成し、星形Ｏリング１１を少くともリング本
体１５の外周側に左右のリツプ１７，１８を設け
て構成し、ボス１，３の端面７，８間にスペーサ
９に重ねてシール部材１０とこのシール部材１０
に重ねて星形Ｏリング１１を介装し、星形Ｏリン
グ１１のリング本体１５をリツプ部１３，１４間
に挿入してリツプ部１３，１４をボス３，１の端
面８，７に圧接させると共に星形Ｏリング１１の
リツプ１７，１８をボス３，１の端面８，７に圧
接させたことを特徴とするシール装置。 The sealing member 10 is configured by providing left and right lip portions 13 and 14 that expand left and right on the outer circumference of the ring body 12, and the star-shaped O-ring 11 is provided with left and right lip portions 17, 14 on the outer circumference of the ring body 15 at least. A sealing member 10 is provided between the end faces 7 and 8 of the bosses 1 and 3 and stacked on the spacer 9.
A star-shaped O-ring 11 is placed over the bosses 3 and 1, and the ring body 15 of the star-shaped O-ring 11 is inserted between the lip parts 13 and 14, so that the lip parts 13 and 14 are pressed against the end surfaces 8 and 7 of the bosses 3 and 1. The sealing device is characterized in that the lips 17, 18 of the star-shaped O-ring 11 are brought into pressure contact with the end faces 8, 7 of the bosses 3, 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6209583U JPS59168064U (en) | 1983-04-27 | 1983-04-27 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6209583U JPS59168064U (en) | 1983-04-27 | 1983-04-27 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59168064U JPS59168064U (en) | 1984-11-10 |
| JPS6238051Y2 true JPS6238051Y2 (en) | 1987-09-29 |
Family
ID=30192296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6209583U Granted JPS59168064U (en) | 1983-04-27 | 1983-04-27 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59168064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991008352A1 (en) * | 1989-11-30 | 1991-06-13 | Kabushiki Kaisha Komatsu Seisakusho | Connecting pin device of working machine link |
| JP2014109323A (en) * | 2012-12-03 | 2014-06-12 | Nabtesco Corp | Gear device |
-
1983
- 1983-04-27 JP JP6209583U patent/JPS59168064U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991008352A1 (en) * | 1989-11-30 | 1991-06-13 | Kabushiki Kaisha Komatsu Seisakusho | Connecting pin device of working machine link |
| JP2014109323A (en) * | 2012-12-03 | 2014-06-12 | Nabtesco Corp | Gear device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59168064U (en) | 1984-11-10 |
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