JPS6297271U - - Google Patents
Info
- Publication number
- JPS6297271U JPS6297271U JP18882585U JP18882585U JPS6297271U JP S6297271 U JPS6297271 U JP S6297271U JP 18882585 U JP18882585 U JP 18882585U JP 18882585 U JP18882585 U JP 18882585U JP S6297271 U JPS6297271 U JP S6297271U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- pin
- decompression
- spring
- support
- 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
- 230000006837 decompression Effects 0.000 claims description 14
Landscapes
- Valve Device For Special Equipments (AREA)
Description
第１図乃至第６図は本考案の実施例を示すもの
で、第１図はデコンプ装置の斜視図、第２図はデ
コンプ装置の縦断右側面図、第３図はデコンプ装
置の横断平面図、第４図はエンジンのデコンプ装
置周辺の縦断正面図、第５図はデコンプ解除状態
を示す第２図相当図、第６図は第２実施例を示す
第１図相当図である。
１……動弁装置、２……カム軸、３……支持具
、４……遠心錘、５……支点ピン、６……バネ、
７……ピン案内孔、８……デコンプピン、１０…
…４の出力端、１１……８の入力端、１２……８
の出力端、１４……カム、１５……タペツト、１
６……２の周面、１７……ピン案内部、Ａ……デ
コンプ位置、Ｂ……デコンプ解除位置、Ｃ……２
の軸心方向、Ｅ……エンジン、Ｆ……遠心力、Ｐ
……求心方向。
1 to 6 show an embodiment of the present invention, in which FIG. 1 is a perspective view of a decompression device, FIG. 2 is a longitudinal right side view of the decompression device, and FIG. 3 is a cross-sectional plan view of the decompression device. , FIG. 4 is a longitudinal sectional front view of the vicinity of the engine decompression device, FIG. 5 is a view corresponding to FIG. 2 showing a decompression released state, and FIG. 6 is a view corresponding to FIG. 1 showing the second embodiment. 1... Valve gear, 2... Camshaft, 3... Support, 4... Centrifugal weight, 5... Fulcrum pin, 6... Spring,
7...Pin guide hole, 8...Decompression pin, 10...
...output end of 4, input end of 11...8, 12...8
output end, 14... cam, 15... tappet, 1
6...Surrounding surface of 2, 17...Pin guide part, A...Decompression position, B...Decompression release position, C...2
axial direction, E...engine, F...centrifugal force, P
... Centripetal direction.
Claims (1)
を固定し、支持具３に遠心錘４を支点ピン５で遠
心揺動自在に枢支するとともに、バネ６で求心方
向Ｐに弾圧し、カム軸２の一部にピン案内孔７を
明け、ピン案内孔７にデコンプピン８を進退摺動
自在に貫通し、遠心錘４の出力端１０にデコンプ
ピン８の入力端１１を連接し、デコンプピン８の
出力端１２を、バネ６の張力でカム軸２のカム１
４に接当するタペツト１５を押し上げるデコンプ
ピン位置Ａと、遠心錘４の遠心力Ｆがバネ６の張
力に打ち勝つことによりタペツト１５を押し上げ
ないデコンプ解除位置Ｂとに切換駆動可能に構成
したエンジンの始動時自動デコンプ装置において
、タペツト１５と支持具３との間でカム軸２の周
面１６上にピン案内部１７を設け、ピン案内部１
７にピン案内孔７、をカム軸２の周面１６に対し
て接線状で、カム軸２の軸心方向Ｃに対して平行
状又は傾斜状に空けた事を特徴とするエンジンの
始動時自動デコンプ装置。 A support 3 is attached to the camshaft 2 of the valve train 1 of the engine E.
is fixed, a centrifugal weight 4 is pivoted to the support 3 with a fulcrum pin 5 so as to be centrifugally swingable, and is pressed in the centripetal direction P with a spring 6, a pin guide hole 7 is formed in a part of the camshaft 2, A decompression pin 8 is inserted through the pin guide hole 7 so as to be able to move forward and backward, and the input end 11 of the decompression pin 8 is connected to the output end 10 of the centrifugal weight 4. The output end 12 of the decompression pin 8 is connected to the camshaft 2 by the tension of the spring 6. cam 1
4 and a decompression release position B in which the centrifugal force F of the centrifugal weight 4 overcomes the tension of the spring 6 and does not push up the tappet 15. In the automatic decompression device, a pin guide part 17 is provided on the circumferential surface 16 of the camshaft 2 between the tappet 15 and the support 3.
When starting an engine, a pin guide hole 7 is formed in 7, which is tangential to the circumferential surface 16 of the camshaft 2 and parallel or inclined to the axial direction C of the camshaft 2. Automatic decompression device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985188825U JPH0450408Y2 (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985188825U JPH0450408Y2 (en) | 1985-12-06 | 1985-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6297271U true JPS6297271U (en) | 1987-06-20 |
| JPH0450408Y2 JPH0450408Y2 (en) | 1992-11-27 |
Family
ID=31140548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985188825U Expired JPH0450408Y2 (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450408Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170009U (en) * | 1984-04-20 | 1985-11-11 | 株式会社クボタ | Automatic decompression device when starting the engine |
-
1985
- 1985-12-06 JP JP1985188825U patent/JPH0450408Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170009U (en) * | 1984-04-20 | 1985-11-11 | 株式会社クボタ | Automatic decompression device when starting the engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450408Y2 (en) | 1992-11-27 |
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