JPS60124511U - Automatic decompression device when starting the engine - Google Patents
Automatic decompression device when starting the engineInfo
- Publication number
- JPS60124511U JPS60124511U JP709884U JP709884U JPS60124511U JP S60124511 U JPS60124511 U JP S60124511U JP 709884 U JP709884 U JP 709884U JP 709884 U JP709884 U JP 709884U JP S60124511 U JPS60124511 U JP S60124511U
- Authority
- JP
- Japan
- Prior art keywords
- decompression
- cam
- centrifugal weight
- engine
- circumferential 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.)
- Granted
Links
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図乃至第2図は本考案の実施例を示すもので、第1
図はカムギヤ周辺の要部縦断正面図、第2図は第1図に
おける■−■線断面図、第3図は先行考案を示す第1図
相当図、第4図は第3図におけるIV−TV線断図、第
5図は従来例を示す第1図相当図、第6図は第5図にお
けるVI−VI線断面図である。
1・・・・・・動弁機構、2・・・・・・カム軸、3・
・・・・・カム、4・・・・・・鍔、5・・・・・・カ
ムギヤ、6・・・・・・4の端面、7・・・・・・3と
4の間の軸部分、8・・・・・・案内孔、10・・・・
・・デコンプピン、11・・・・・・5の側面、12・
・・・・・遠心錘、14・・・・・・デコンプ用バネ、
15・・・・・・12の出力部、16・・・・・・10
の入力端部、17・・・・・・10の出力端部、18・
・・・・・タペット、20・・・・・・5の突出内部、
21・・・・・・20の内周面、22・・・・・・4の
外周面、A・・・・・・デコンプ位置、B・・・・・・
デコンプ解除位置、C・・・・・・10の退行時の重心
、D・・・・・・2の軸心、Ea66666エンジン。Figures 1 and 2 show an embodiment of the present invention.
The figure is a longitudinal sectional front view of the main parts around the cam gear, Figure 2 is a cross-sectional view taken along the line ■-■ in Figure 1, Figure 3 is a view equivalent to Figure 1 showing the previous design, and Figure 4 is the IV-- in Figure 3. 5 is a diagram corresponding to FIG. 1 showing a conventional example, and FIG. 6 is a sectional view taken along the line VI-VI in FIG. 5. 1... Valve mechanism, 2... Camshaft, 3.
...cam, 4 ... tsuba, 5 ... cam gear, 6 ... end face of 4, 7 ... shaft between 3 and 4 Part, 8... Guide hole, 10...
... Decompression pin, 11 ... Side of 5, 12.
... Centrifugal weight, 14 ... Decompression spring,
15...12 output section, 16...10
input end of 17...10 output end of 18.
...Tappet, 20...Protruding inside of 5,
21... Inner peripheral surface of 20, 22... Outer peripheral surface of 4, A... Decompression position, B...
Decompression release position, C...10 center of gravity during regression, D...2 axis center, Ea66666 engine.
Claims (1)
とを適当量隔隔てて設け、カムギヤ5を鍔4のカム3と
は反対側の端面6に接当してカム軸2に外嵌固定し、カ
ム3と鍔4との間の軸部分7に案内孔8を横断状に貫通
し、案内孔8にデコンプピン10を進退摺動自在に貫通
させ、カムギヤ5のカム3側め側面11にデコンプ解除
用の遠心錘12を揺動自在に枢支するとともに、遠心錘
12を求心側に弾圧するデコンプ用のバネ14をも設け
、遠心錘12の出力部15とデコンプピン10の入力端
部16とを連接し、デコンプピン10の出力端部17を
、バネ14の張力でカム3に接当するタペット18を突
上げるデコンプ位置Aと、遠心錘12の遠心力でタペッ
ト18から離れるデコンプ解除位置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
、カムギヤ5の・ 外周の内部20をカム3側に突
出させて、その突出内部20の内周面21を鍔4の外周
面22に対向させ、この突出南部内周面21と鍔外周面
22との間に遠心錘12を挿入して、遠心錘12の遠心
側への移動を突出南部内周面21で受止めるとともに、
求心側への移動を鍔外周面22で受止めるように構成し
、デコンプピン10の入力端部16を遠心錘12の出力
部15に突き立てる状態に接当し、デコンプピン10の
入力端部16を凸の部分球面状に形成するとともに、遠
心錘12の出力部15をその長さ方向に沿って直線状に
形成した事を特徴とするエンジンの始動時自動デコンプ
装置。 2 実用新案登録請求の範囲第1項に記載したエンジン
の始動時自動デコプ装置において、デコンプピン10の
案内孔8を傾斜状に形成したもの。 3 実用新案登録請求の範囲第1項または第2項に記載
したエンジンの始動時自動デコンプ装置において、−デ
コンプピン10の入力端部16を他の部分よりも大径に
形成して、デコンプピン10の退行時の重心Cをカム軸
2の軸心りより退行側に偏らせたもの。[Claims for Utility Model Registration] 1. A cam 3 and a collar 4 on a camshaft 2 of a valve train 1 of an engine E.
The cam gear 5 is fitted and fixed to the camshaft 2 by contacting the end surface 6 of the flange 4 on the opposite side from the cam 3, and the shaft portion 7 between the cam 3 and the flange 4 A decompression pin 10 is passed through the guide hole 8 in a transverse manner, and a decompression pin 10 is passed through the guide hole 8 so as to be able to freely move forward and backward. At the same time, a decompression spring 14 is also provided to press the centrifugal weight 12 toward the centripetal side. Automatic decompression at the time of engine startup configured to be able to switch between a decompression position A in which the tappet 18 in contact with the cam 3 is pushed up by the tension of the spring 14, and a decompression release position B in which the tappet 18 is moved away from the tappet 18 by the centrifugal force of the centrifugal weight 12. In the device, the inner circumference 20 of the outer periphery of the cam gear 5 is made to protrude toward the cam 3 side, the inner circumferential surface 21 of the protruding inner surface 20 is opposed to the outer circumferential surface 22 of the collar 4, and this protruding southern inner circumferential surface 21 and the outer circumference of the collar are The centrifugal weight 12 is inserted between the surface 22 and the movement of the centrifugal weight 12 toward the centrifugal side is received by the protruding southern inner circumferential surface 21,
It is configured so that the movement toward the centripetal side is received by the outer circumferential surface 22 of the collar, and the input end 16 of the decompression pin 10 is brought into contact with the output part 15 of the centrifugal weight 12 in a protruding state, and the input end 16 of the decompression pin 10 is made to protrude. An automatic decompression device at the time of starting an engine, characterized in that the centrifugal weight 12 is formed into a partially spherical shape, and the output portion 15 of the centrifugal weight 12 is formed linearly along its length. 2. Utility Model Registration Scope of Claims 1. The automatic decompression device at the time of starting an engine described in claim 1, in which the guide hole 8 of the decompression pin 10 is formed in an inclined shape. 3. In the automatic engine start-up decompression device described in claim 1 or 2 of the utility model registration claim, - the input end 16 of the decompression pin 10 is formed to have a larger diameter than other parts; The center of gravity C during retraction is biased toward the retraction side from the axis of the camshaft 2.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP709884U JPS60124511U (en) | 1984-01-20 | 1984-01-20 | Automatic decompression device when starting the engine |
US06/691,764 US4610227A (en) | 1984-01-20 | 1985-01-16 | Automatic decompression system for starting engine |
FR8500738A FR2558527B1 (en) | 1984-01-20 | 1985-01-18 | AUTOMATIC DECOMPRESSION SYSTEM FOR STARTING AN ENGINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP709884U JPS60124511U (en) | 1984-01-20 | 1984-01-20 | Automatic decompression device when starting the engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60124511U true JPS60124511U (en) | 1985-08-22 |
JPH0144725Y2 JPH0144725Y2 (en) | 1989-12-25 |
Family
ID=30485143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP709884U Granted JPS60124511U (en) | 1984-01-20 | 1984-01-20 | Automatic decompression device when starting the engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60124511U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012077711A (en) * | 2010-10-05 | 2012-04-19 | Suzuki Motor Corp | Decompression device for engine |
-
1984
- 1984-01-20 JP JP709884U patent/JPS60124511U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012077711A (en) * | 2010-10-05 | 2012-04-19 | Suzuki Motor Corp | Decompression device for engine |
Also Published As
Publication number | Publication date |
---|---|
JPH0144725Y2 (en) | 1989-12-25 |
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