JPH0395055U - - Google Patents
Info
- Publication number
- JPH0395055U JPH0395055U JP405890U JP405890U JPH0395055U JP H0395055 U JPH0395055 U JP H0395055U JP 405890 U JP405890 U JP 405890U JP 405890 U JP405890 U JP 405890U JP H0395055 U JPH0395055 U JP H0395055U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- hole
- circumferential surface
- oil
- peripheral surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図及び第２図は本考案の実施例を示し、第
１図はエンジンの回転軸のケース貫通部の縦断面
図、第２図はエンジン全体を示す一部縦断側面図
、第３図は別実施例を示す第１図相当図、第４図
は従来例を示す第１図相当図である。
１……エンジン、２……ケース壁、３……軸貫
通孔、４……回転軸、５……孔貫通軸部分、６…
…軸外周面、７……孔内周面、８……オイルシー
ル、１１……内嵌部、１２……１１よりも外寄り
の内周面部分、１３……オイル受周溝、１４……
外嵌部、１５……１４よりも外寄りの外周面部分
、１６……大径周面、１７……段上り角部、１８
……１３の外側端面、１９……微小隙間。
Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being a longitudinal sectional view of the case penetration part of the rotating shaft of the engine, Figure 2 being a partial longitudinal sectional side view showing the entire engine, and Figure 3 1 is a diagram corresponding to FIG. 1 showing another embodiment, and FIG. 4 is a diagram corresponding to FIG. 1 showing a conventional example. DESCRIPTION OF SYMBOLS 1... Engine, 2... Case wall, 3... Shaft through hole, 4... Rotating shaft, 5... Hole penetrating shaft portion, 6...
... Shaft outer peripheral surface, 7 ... Hole inner peripheral surface, 8 ... Oil seal, 11 ... Inner fitting part, 12 ... Inner peripheral surface portion closer to the outside than 11, 13 ... Oil receiving groove, 14 ... …
External fitting part, 15... Outer circumferential surface portion closer to the outside than 14, 16... Large diameter circumferential surface, 17... Stepped corner part, 18
...outer end surface of 13, 19...minor gap.
Claims (1)
軸貫通孔３に回転軸４を貫通させ、回転軸４の孔
貫通軸部分５の軸外周面６と軸貫通孔３の孔内周
面７との間にオイルシール８を挿入して構成した
エンジンの回転軸のケース貫通部オイル封止装置
において、 孔内周面７のうちオイルシール８の内嵌部１１
よりも外寄りの内周面部分１２にオイル受周溝１
３を形成し、 孔貫通軸部分５の軸外周面６のうち、オイルシ
ール８の外嵌部１４よりも外寄りの外周面部分１
５に大径周面１６を段上り状に形成し、 大径周面１６の段上り角部１７をオイル受周溝
１３の外側端面１８よりも内側に位置させ、大径
周面１６を孔内周面７の外寄りの内周面部分１２
に微小隙間１９を隔てて対面させたことを特徴と
するエンジンの回転軸のケース貫通部オイル封止
装置。[Scope of claim for utility model registration] A shaft through hole 3 is made in the case wall 2 of the engine 1,
The rotary shaft 4 is passed through the shaft through hole 3, and an oil seal 8 is inserted between the shaft outer peripheral surface 6 of the hole through shaft portion 5 of the rotary shaft 4 and the hole inner peripheral surface 7 of the shaft through hole 3. In an oil sealing device for a case penetrating portion of a rotating shaft of an engine, an inner fitting portion 11 of an oil seal 8 in a hole inner circumferential surface 7 is provided.
An oil receiving groove 1 is provided on the inner circumferential surface portion 12 that is closer to the outside than the oil receiving groove 1.
3, and an outer circumferential surface portion 1 of the shaft outer circumferential surface 6 of the hole-through shaft portion 5 that is closer to the outside than the outer fitting portion 14 of the oil seal 8.
5, the large-diameter circumferential surface 16 is formed in a step-up shape, and the stepped-up corner portion 17 of the large-diameter circumferential surface 16 is located inside the outer end surface 18 of the oil-receiving circumferential groove 13, and the large-diameter circumferential surface 16 is formed into a hole. Inner peripheral surface portion 12 on the outer side of the inner peripheral surface 7
An oil sealing device for a case penetrating portion of a rotating shaft of an engine, characterized in that the two faces face each other with a minute gap 19 in between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP405890U JPH0395055U (en) | 1990-01-19 | 1990-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP405890U JPH0395055U (en) | 1990-01-19 | 1990-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0395055U true JPH0395055U (en) | 1991-09-27 |
Family
ID=11574269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP405890U Pending JPH0395055U (en) | 1990-01-19 | 1990-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0395055U (en) |
-
1990
- 1990-01-19 JP JP405890U patent/JPH0395055U/ja active Pending
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