JPH0484703U - - Google Patents
Info
- Publication number
- JPH0484703U JPH0484703U JP13007690U JP13007690U JPH0484703U JP H0484703 U JPH0484703 U JP H0484703U JP 13007690 U JP13007690 U JP 13007690U JP 13007690 U JP13007690 U JP 13007690U JP H0484703 U JPH0484703 U JP H0484703U
- Authority
- JP
- Japan
- Prior art keywords
- flyweight
- decompression
- cam
- base circle
- closing angle
- 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
- 230000006837 decompression Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図〜第６図は本発明の一実施例を示し、第
１図はデコンプ動作時のデコンプ装置の平面図、
第２図はデコンプ解除時のデコンプ装置の平面図
、第３図は第１図の−断面図、第４図は第３
図の−断面図、第５図はデコンプ解除時の第
４図に相当する断面図、第６図はデコンプピンの
斜視図、第７図は従来のデコンプ装置の概略図で
ある。
１１……カム軸、１５……カムギヤ、１６……
カム、１７……バルブタペツト、１８……デコン
プピン、１９……フライウエイト、２１……デコ
ンプカム、２２……リターンスプリング。
1 to 6 show an embodiment of the present invention, and FIG. 1 is a plan view of the decompression device during decompression operation;
Figure 2 is a plan view of the decompression device when decompression is released, Figure 3 is a cross-sectional view of Figure 1, and Figure 4 is a sectional view of the decompression device when decompression is released.
5 is a sectional view corresponding to FIG. 4 when decompression is released, FIG. 6 is a perspective view of a decompression pin, and FIG. 7 is a schematic diagram of a conventional decompression device. 11...Camshaft, 15...Cam gear, 16...
Cam, 17...Valve tappet, 18...Decompression pin, 19...Fly weight, 21...Decompression cam, 22...Return spring.
Claims (1)
上記カムギヤの側面に沿う方向へ拡開自在なフラ
イウエイトを併設し、 また上記カム軸に、このカム軸に設けたカムの
ベースサークル方向へ進退自在で、進出時に上記
ベースサークルに摺接するバルブタペツトをリフ
トアツプするデコンプピンを装着し、 さらにこのデコンプピンを上記フライウエイト
の閉角動作に追従して進出させ拡開動作に追従し
て進退させるデコンプカムを、上記フライウエイ
トに連設するとともに、 このフライウエイトに、このフライウエイトを
閉角方向へ付勢するリターンスプリングを連設し
た ことを特徴とするエンジンのデコンプ装置。[Scope of Claim for Utility Model Registration] A flyweight is attached to the side surface of the cam gear provided on the camshaft, which can be freely expanded in the direction along the side surface of the cam gear by centrifugal force; A decompression pin is installed that can freely move forward and backward in the direction of the base circle of the provided cam, and lifts up the valve tappet that slides into contact with the base circle when advanced, and furthermore, this decompression pin is advanced following the closing angle movement of the flyweight to perform the expansion operation. A decompression device for an engine, characterized in that a decompression cam that follows and advances and retreats is connected to the flyweight, and a return spring that biases the flyweight in a closing angle direction is connected to the flyweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13007690U JPH0484703U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13007690U JPH0484703U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0484703U true JPH0484703U (en) | 1992-07-23 |
Family
ID=31877445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13007690U Pending JPH0484703U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0484703U (en) |
-
1990
- 1990-11-29 JP JP13007690U patent/JPH0484703U/ja active Pending