JPS6221410U - - Google Patents
Info
- Publication number
- JPS6221410U JPS6221410U JP11336985U JP11336985U JPS6221410U JP S6221410 U JPS6221410 U JP S6221410U JP 11336985 U JP11336985 U JP 11336985U JP 11336985 U JP11336985 U JP 11336985U JP S6221410 U JPS6221410 U JP S6221410U
- Authority
- JP
- Japan
- Prior art keywords
- decompression
- cam
- pin
- camshaft
- engine
- 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 15
- 230000005540 biological transmission Effects 0.000 claims 1
Landscapes
- Valve Device For Special Equipments (AREA)
Description
図面は本考案の実施例を示し、第１図は動弁カ
ム軸周辺の要部縦断正面図、第２図はデコンプ装
置の要部斜視図、第３図はカムギヤの左側面図、
第４図はデコンプピンの要部切欠正面図である。
１…デコンプピン、２…デコンプバネ、３…遠
心錘、４…動弁装置、５…カム軸、６…カムギヤ
、７…吸気カム、８…排気カム、１０…ピン案内
孔、１２…１の入力端部、１４…３の出力部、１
５…１の出力端部、１６…タペツト、Ａ…５の垂
直面、Ｅ…エンジン、Ｆ…遠心力。
The drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal sectional front view of the main parts around the valve train camshaft, Fig. 2 is a perspective view of the main parts of the decompression device, and Fig. 3 is a left side view of the cam gear.
FIG. 4 is a cutaway front view of the main part of the decompression pin. 1... Decompression pin, 2... Decompression spring, 3... Centrifugal weight, 4... Valve gear, 5... Camshaft, 6... Cam gear, 7... Intake cam, 8... Exhaust cam, 10... Pin guide hole, 12... Input end of 1 Part, 14...3 output part, 1
5... Output end of 1, 16... Tappet, A... Vertical surface of 5, E... Engine, F... Centrifugal force.
Claims (1)
介して、デコンプバネ２の張力で開弁してデコン
プするとともに、遠心錘３の遠心力Ｆでデコンプ
バネ２に抗してデコンプ解除するように構成し、
エンジンＥの動弁装置４のカム軸５上にカムギヤ
６・吸気カム７及び排気カム８を順に設け、カム
ギヤ６に遠心錘３とデコンプバネ２とを支持し、
カム軸５にピン案内孔１０を径方向に貫通し、ピ
ン案内孔１０にデコンプピン１を摺動自在に挿通
し、デコンプピン１の入力端部１２に遠心錘３の
出力部１４を係合するとともに、その出力端部１
５を吸・排気カムの近くでタペツト１６に臨ませ
て構成したエンジンの始動用機械式自動デコンプ
装置において、ピン案内孔１０をカム軸５におけ
るカムギヤ６の近傍箇所から吸気カム７の内部を
通過して排気カム８の近傍箇所にまで貫通させ、
遠心錘３の出力部１４をカム軸５の垂直面Ａに対
して傾斜する傾斜カム状に構成し、この傾斜カム
状出力部１４にデコンプピン１の入力端部１２を
係合させた事を特徴とするエンジンの始動用機械
式自動デコンプ装置。 ２ 傾斜カム状出力部１４にデコンプピン１の入
力端部１２を押引き両方向に伝動可能に係合させ
た事を特徴とする実用新案登録請求の範囲第１項
に記載のエンジンの始動用機械式自動デコンプ装
置。[Claims for Utility Model Registration] 1. The intake and exhaust valves of the engine E are opened and decompressed by the tension of the decompression spring 2 via the decompression pin 1, and the decompression spring 2 is resisted by the centrifugal force F of the centrifugal weight 3. Configure to decompress,
A cam gear 6, an intake cam 7, and an exhaust cam 8 are sequentially provided on the camshaft 5 of the valve train 4 of the engine E, and the cam gear 6 supports the centrifugal weight 3 and the decompression spring 2.
A pin guide hole 10 is passed through the camshaft 5 in the radial direction, a decompression pin 1 is slidably inserted into the pin guide hole 10, and the output part 14 of the centrifugal weight 3 is engaged with the input end 12 of the decompression pin 1. , its output end 1
In a mechanical automatic decompression device for starting an engine, the pin guide hole 10 is passed through the inside of the intake cam 7 from a position near the cam gear 6 on the camshaft 5. and penetrate the vicinity of the exhaust cam 8,
The output part 14 of the centrifugal weight 3 is configured in the shape of an inclined cam that is inclined with respect to the vertical plane A of the camshaft 5, and the input end part 12 of the decompression pin 1 is engaged with this inclined cam-shaped output part 14. Automatic mechanical decompression device for starting engines. 2. Mechanical system for starting an engine according to claim 1, characterized in that the input end 12 of the decompression pin 1 is engaged with the inclined cam-shaped output part 14 so that transmission can be transmitted in both push and pull directions. Automatic decompression device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985113369U JPH0346169Y2 (en) | 1985-07-23 | 1985-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985113369U JPH0346169Y2 (en) | 1985-07-23 | 1985-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6221410U true JPS6221410U (en) | 1987-02-09 |
| JPH0346169Y2 JPH0346169Y2 (en) | 1991-09-30 |
Family
ID=30995108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985113369U Expired JPH0346169Y2 (en) | 1985-07-23 | 1985-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346169Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50128531U (en) * | 1974-04-06 | 1975-10-22 |
-
1985
- 1985-07-23 JP JP1985113369U patent/JPH0346169Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50128531U (en) * | 1974-04-06 | 1975-10-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346169Y2 (en) | 1991-09-30 |
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