JPS639460U - - Google Patents
Info
- Publication number
- JPS639460U JPS639460U JP10088086U JP10088086U JPS639460U JP S639460 U JPS639460 U JP S639460U JP 10088086 U JP10088086 U JP 10088086U JP 10088086 U JP10088086 U JP 10088086U JP S639460 U JPS639460 U JP S639460U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- control
- injection pump
- fuel injection
- control sleeve
- 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
- 239000000446 fuel Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図ないし第３図は従来の燃料噴射ポンプに
おける燃料噴射のための圧送状態を順次示す説明
図、第４図は本考案の一実施例の縦断面図、第５
図は同、制御スリーブ１７部分の拡大断面図、第
６図は同、制御スリーブ１７およびコントロール
ロツド２９部分の分解斜視図である。
１……ポンプ本体、２……縦孔、３……下部プ
ランジヤバレル、４……プランジヤ、５……上部
プランジヤバレル、６……送出弁、７……燃料圧
室、８……燃料出口、９……カム軸、１０……カ
ム、１１……タペツト、１２……スプリング、１
３……フエース部、１４……噴射量調節用スリー
ブ、１５……突起、１６……噴射量調節用ロツド
、１７……制御スリーブ、１８……燃料溜り室、
１９……横孔、２０……燃料入口、２１……案内
溝、２２……係合溝、２３……案内ピン、２４…
…燃料吸排孔、２５……連通孔、２６……制御用
傾斜溝、２７……縦溝、２８……カツトオフ孔、
２９……コントロールロツド、３２……窓部、３
３……係合シヤフト、３４……本体部、３５……
段部、３６……係合部、３７……調整ロツド部、
３８……押えねじ、３９……中心孔、４０……ワ
ツシヤ、５０……燃料カツトオフ用の溝。
1 to 3 are explanatory diagrams sequentially showing the pumping states for fuel injection in a conventional fuel injection pump, FIG. 4 is a longitudinal sectional view of an embodiment of the present invention, and FIG.
The figure is an enlarged sectional view of the control sleeve 17 portion, and FIG. 6 is an exploded perspective view of the control sleeve 17 and control rod 29 portions. 1...Pump body, 2...Vertical hole, 3...Lower plunger barrel, 4...Plunger, 5...Upper plunger barrel, 6...Delivery valve, 7...Fuel pressure chamber, 8...Fuel outlet, 9...Camshaft, 10...Cam, 11...Tappet, 12...Spring, 1
3... Face portion, 14... Sleeve for adjusting injection amount, 15... Protrusion, 16... Rod for adjusting injection amount, 17... Control sleeve, 18... Fuel reservoir chamber,
19... Horizontal hole, 20... Fuel inlet, 21... Guide groove, 22... Engagement groove, 23... Guide pin, 24...
... Fuel intake and exhaust hole, 25 ... Communication hole, 26 ... Control inclined groove, 27 ... Vertical groove, 28 ... Cut-off hole,
29...Control rod, 32...Window part, 3
3... Engagement shaft, 34... Main body, 35...
Stepped portion, 36...engaging portion, 37...adjustment rod portion,
38... Holding screw, 39... Center hole, 40... Washer, 50... Groove for fuel cut-off.
Claims (1)
復動して燃料を噴射するプランジヤに、制御スリ
ーブを摺動自在に外嵌するとともに、この制御ス
リーブにコントロールロツドを連結し、該コント
ロールロツドの回動により前記プランジヤと制御
スリーブとの軸方向の相対位置を変えてプリスト
ロークを調節するようにしたプリストローク可変
機構を有する燃料噴射ポンプにおいて、前記制御
スリーブの上面と対向する前記上部プランジヤバ
レルの下面に、燃料カツトオフ用の溝を形成した
ことを特徴とする燃料噴射ポンプ。 A control sleeve is slidably fitted onto a plunger that injects fuel by reciprocating within an upper plunger barrel having a fuel pressure chamber, and a control rod is connected to the control sleeve to control rotation of the control rod. In the fuel injection pump, the lower surface of the upper plunger barrel faces the upper surface of the control sleeve. A fuel injection pump characterized in that a groove for fuel cut-off is formed in the fuel injection pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10088086U JPH0410380Y2 (en) | 1986-07-02 | 1986-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10088086U JPH0410380Y2 (en) | 1986-07-02 | 1986-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS639460U true JPS639460U (en) | 1988-01-22 |
| JPH0410380Y2 JPH0410380Y2 (en) | 1992-03-13 |
Family
ID=30971109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10088086U Expired JPH0410380Y2 (en) | 1986-07-02 | 1986-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410380Y2 (en) |
-
1986
- 1986-07-02 JP JP10088086U patent/JPH0410380Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410380Y2 (en) | 1992-03-13 |
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