JPH0379361U - - Google Patents
Info
- Publication number
- JPH0379361U JPH0379361U JP13935789U JP13935789U JPH0379361U JP H0379361 U JPH0379361 U JP H0379361U JP 13935789 U JP13935789 U JP 13935789U JP 13935789 U JP13935789 U JP 13935789U JP H0379361 U JPH0379361 U JP H0379361U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- urethane
- elastic ring
- members
- part coated
- 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
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 4
- 239000000463 material Substances 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 1
- 230000002950 deficient Effects 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
Description
第１図乃至第３図は本考案の請求項１にかかる
ガタ防止用剛弾性リングを示し、第１図は平面図
、第２図は第１図の側面の断面図、第３図は第２
図をピンボス部に装着した場合の断面図、第４図
は請求項２にかかるガタ防止用剛弾性リングをピ
ンボス部に装着した場合の断面図、第５図は従来
のパワーシヨベル等の作業機に使用されている結
合ピン装置の断面図、第６図は第５図の結合ピン
装置の断面図でａは溝部分の拡大図、第７図はす
側面図、第７図は従来のガタ防止用剛弾性リング
の不具合箇所を示す断面図である。
１……剛弾性リング、１ａ……リング本体、２
……内側部、３……ダストシール部、４……リツ
プ部分、５……合口部、６……合口カバー部分、
７……逃がし溝、８……延長コーテイング部分、
１０……ピン装置、１８……ピン、１９Ｒ，１９
Ｌ，２０……ピンボス部、１９ａ，２０ａ……対
向端面、１９ｂ，２０ｂ……傾斜面取り部、２１
……溝面、２２……剛弾性リング、２３……弾性
付加手段。
1 to 3 show a rattling prevention rigid elastic ring according to claim 1 of the present invention, in which FIG. 1 is a plan view, FIG. 2 is a side sectional view of FIG. 1, and FIG. 2
Figure 4 is a cross-sectional view when the rigid elastic ring for preventing backlash according to claim 2 is installed on the pin boss, Figure 5 is a cross-sectional view when the rigid elastic ring for preventing backlash according to claim 2 is installed on the pin boss, and Figure 5 is a cross-sectional view when the rigid elastic ring for preventing backlash according to claim 2 is installed on the pin boss. 6 is a sectional view of the connecting pin device used in FIG. 5, a is an enlarged view of the groove portion, FIG. FIG. 3 is a sectional view showing a defective part of the rigid elastic ring. 1... Rigid elastic ring, 1a... Ring body, 2
...Inner part, 3...Dust seal part, 4...Lip part, 5...Abutment part, 6...Abutment cover part,
7...Escape groove, 8...Extended coating part,
10...Pin device, 18...Pin, 19R, 19
L, 20... Pin boss portion, 19a, 20a... Opposing end surface, 19b, 20b... Inclined chamfered portion, 21
... Groove surface, 22 ... Rigid elastic ring, 23 ... Elasticity adding means.
Claims (1)
相対してテーパ状に形成した溝面に、両部材の半
径方向および軸方向ガタを防止するように接触さ
せて取り付けたガタ防止用剛弾性リングにおいて
、該リングは、内径側の外周に摺動材としてのウ
レタンをコーテイングした内側部と、外径側に該
内側部に連結され、両縁のリツプ部分が前記両部
材の溝面にそれぞれ接するようにウレタンをコー
テイングしたダストシール部と、該リングの装着
時、合口部の開く部分にウレタンをコーテイング
した合口カバー部分とを一体成形したことを特徴
とするガタ防止用剛弾性リング。 ２ 該内側部は、リングの中心に向かう延長コー
テイング部分を備えていることを特徴とする請求
項１記載のガタ防止用剛弾性リング。[Claims for Utility Model Registration] 1. Two members having inclined chamfered portions having the same angle are brought into contact with groove surfaces formed in a tapered shape so as to prevent both members from rattling in the radial and axial directions. In the attached rigid elastic ring for preventing backlash, the ring has an inner part coated with urethane as a sliding material on the outer periphery of the inner diameter side, and is connected to the inner part on the outer diameter side, and the lip portions on both edges are connected to the inner part coated with urethane as a sliding material. A rattling prevention device characterized by integrally molding a dust seal part coated with urethane so as to contact the groove surfaces of both members, and an abutment cover part coated with urethane at the part where the abutment part opens when the ring is installed. Rigid elastic ring. 2. The rigid-elastic ring for preventing backlash according to claim 1, wherein the inner side includes an extended coating portion extending toward the center of the ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13935789U JPH0745645Y2 (en) | 1989-11-30 | 1989-11-30 | Rigid elastic ring for backlash prevention |
| PCT/JP1990/001565 WO1991008352A1 (en) | 1989-11-30 | 1990-11-30 | Connecting pin device of working machine link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13935789U JPH0745645Y2 (en) | 1989-11-30 | 1989-11-30 | Rigid elastic ring for backlash prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0379361U true JPH0379361U (en) | 1991-08-13 |
| JPH0745645Y2 JPH0745645Y2 (en) | 1995-10-18 |
Family
ID=31686408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13935789U Expired - Lifetime JPH0745645Y2 (en) | 1989-11-30 | 1989-11-30 | Rigid elastic ring for backlash prevention |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0745645Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030076134A (en) * | 2002-03-26 | 2003-09-26 | 김경신 | Dirt-Preventing Rubber Band For Excavators |
-
1989
- 1989-11-30 JP JP13935789U patent/JPH0745645Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030076134A (en) * | 2002-03-26 | 2003-09-26 | 김경신 | Dirt-Preventing Rubber Band For Excavators |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0745645Y2 (en) | 1995-10-18 |