JPS6317864U - - Google Patents
Info
- Publication number
- JPS6317864U JPS6317864U JP11132986U JP11132986U JPS6317864U JP S6317864 U JPS6317864 U JP S6317864U JP 11132986 U JP11132986 U JP 11132986U JP 11132986 U JP11132986 U JP 11132986U JP S6317864 U JPS6317864 U JP S6317864U
- Authority
- JP
- Japan
- Prior art keywords
- tappet
- push rod
- camshaft
- driven member
- unit injector
- 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
- 239000000872 buffer Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000009191 jumping Effects 0.000 description 4
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は、この考案のタペツトに適用した一実
施例を示す要部断面図、第２図は、同じくジヤン
ピング時における相対的な配置状態を示す要部断
面図、第３図は、この考案のプツシユロツドに適
用した別の実施例を示す要部断面図、第４図は、
同じくジヤンピング時における相対的な配置状態
を示す要部断面図、第５図は、この種の一般的な
プツシユロツド式駆動機構を用いたユニツトイン
ジエクタの駆動装置の全体を示す一部断面図、第
６図は従来におけるジヤンピング現象を示すグラ
フ、第７図は改善後のジヤンピング現象を示すグ
ラフである。
１……タペツト、４……ローラ、５……カム軸
、６……カム、８……プツシユロツド、１４……
ロツカーアーム、１６……ユニツトインジエクタ
、２０……タペツト本体、２５……スライダ、２
６……緩衝ばね、２８……摺動連結部、３０……
プツシユロツド本体、３２……摺動連結部、３３
……摺動当接部材、３７……緩衝ばね。
Fig. 1 is a cross-sectional view of the main parts showing an embodiment of this invention applied to the tapepet, Fig. 2 is a cross-sectional view of the main parts showing the relative arrangement during jumping, and Fig. 3 is a cross-sectional view of the main parts of the tappet according to the present invention. FIG. 4 is a sectional view of the main part showing another embodiment applied to the push rod of
Similarly, FIG. 5 is a cross-sectional view of the main parts showing the relative arrangement during jumping, and FIG. FIG. 6 is a graph showing the jumping phenomenon in the conventional case, and FIG. 7 is a graph showing the jumping phenomenon after the improvement. 1... Tappet, 4... Roller, 5... Cam shaft, 6... Cam, 8... Push rod, 14...
Rocker arm, 16... Unit injector, 20... Tappet body, 25... Slider, 2
6...Buffer spring, 28...Sliding connection part, 30...
Push rod main body, 32...Sliding connection part, 33
...Sliding contact member, 37...Buffer spring.
Claims (1)
ニツトインジエクタに連動連結されたロツカーア
ームとをプツシユロツドを介して連結し、前記カ
ム軸の回転運動を上記のタペツトを介してプツシ
ユロツドの往復運動に変換して、ユニツトインジ
エクタを駆動するようにしたものにおいて、 前記のタペツト又はプツシユロツドに、タペツ
ト側の駆動部材とプツシユロツド側の被動部材と
が摺動自在として連結された摺動連結部を設ける
とともに、上記の駆動部材及び被動部材が互いに
遠ざかる方向に移動するときには、それに追従し
て拡張し、かつ、両者が互いに近づく方向に移動
するときには、両者を緩衝するばね部材を、上記
摺動連結部の駆動部材と被動部材との間に介装し
たことを特徴とするユニツトインジエクタの駆動
装置。[Claims for Utility Model Registration] A tappet that slides on a cam provided on a camshaft and a rocker arm interlocked with a unit injector are connected via a push rod, and the rotational movement of the camshaft is controlled through the tappet. A sliding member in which a driving member on the tapepet side and a driven member on the push rod side are slidably connected to the tappet or the push rod. A dynamic coupling part is provided, and a spring member is provided that expands to follow the driving member and driven member when they move away from each other, and buffers them when they move toward each other; A drive device for a unit injector, characterized in that it is interposed between a drive member and a driven member of the sliding connection portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132986U JPS6317864U (en) | 1986-07-18 | 1986-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132986U JPS6317864U (en) | 1986-07-18 | 1986-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6317864U true JPS6317864U (en) | 1988-02-05 |
Family
ID=30991152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11132986U Pending JPS6317864U (en) | 1986-07-18 | 1986-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6317864U (en) |
-
1986
- 1986-07-18 JP JP11132986U patent/JPS6317864U/ja active Pending
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