JPS62156156U - - Google Patents
Info
- Publication number
- JPS62156156U JPS62156156U JP4409786U JP4409786U JPS62156156U JP S62156156 U JPS62156156 U JP S62156156U JP 4409786 U JP4409786 U JP 4409786U JP 4409786 U JP4409786 U JP 4409786U JP S62156156 U JPS62156156 U JP S62156156U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- body housing
- fuel injection
- injection port
- 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
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Description
第１図は本考案に基づく燃料噴射弁の全体を示
す縦断面図である。第２図は第１図の弁体ハウジ
ングを拡大して示す縦断面図である。第３図は本
考案の別の実施例の燃料噴射弁に於ける弁体ハウ
ジングを拡大して示す縦断面図である。第４図は
第３図の―線に沿う断面図である。
１……燃料噴射弁、２……本体ハウジング、３
……ソレノイド、４……コア、５……閉塞部材、
６……圧縮コイルばね、７……蓋部材、８……端
子部材、８ａ……端子、９……弁保持体、１０…
…弁体、１１……弁ストツププレート、１２……
弁体ハウジング、１３……弁座、１４……噴射口
、１５……燃料通路、１６……弁室、１７……弁
体挿入孔、２１，２２……旋回溝。
FIG. 1 is a longitudinal sectional view showing the entirety of a fuel injection valve based on the present invention. FIG. 2 is an enlarged vertical sectional view of the valve body housing shown in FIG. 1. FIG. 3 is an enlarged vertical cross-sectional view of a valve body housing in a fuel injection valve according to another embodiment of the present invention. FIG. 4 is a sectional view taken along the line -- in FIG. 3. 1...Fuel injection valve, 2...Body housing, 3
... Solenoid, 4 ... Core, 5 ... Closure member,
6... Compression coil spring, 7... Lid member, 8... Terminal member, 8a... Terminal, 9... Valve holder, 10...
... Valve body, 11 ... Valve stop plate, 12 ...
Valve body housing, 13...valve seat, 14...injection port, 15...fuel passage, 16...valve chamber, 17...valve body insertion hole, 21, 22...swivel groove.
Claims (1)
射口に連通する弁室を内部に有する弁体ハウジン
グと、該弁体ハウジングの弁室内に軸方向移動可
能に設けられ、かつ前記弁座に接離することによ
り噴射口を開閉するための弁体と、前記弁体ハウ
ジングの基端側に連結された本体ハウジングと、
前記弁体を軸線方向に駆動するために前記本体ハ
ウジング内に設けられたソレノイドとを備えてな
る燃料噴射弁に於て、 前記弁体ハウジングの内壁に、旋回溝が形成さ
れていることを特徴とする燃料噴射弁。 (2) 前記弁体ハウジングが、前記弁体を軸線方
向に摺動可能にガイドし、かつ前記噴射口に連通
する円筒形弁体挿入孔を有すると共に、前記旋回
溝が、該弁体挿入孔の内壁に螺旋状に形成された
溝からなることを特徴とする実用新案登録請求の
範囲第１項に記載の燃料噴射弁。 (3) 前記旋回溝が、前記弁座の円錐状壁面に凹
設された複数の螺旋溝からなることを特徴とする
実用新案登録請求の範囲第１項に記載の燃料噴射
弁。[Claims for Utility Model Registration] (1) A valve body housing having an injection port and a valve seat at its tip and a valve chamber communicating with the injection port inside, and axial movement within the valve chamber of the valve body housing. a valve body that is provided so as to open and close the injection port by moving toward and away from the valve seat; a main body housing connected to a proximal end side of the valve body housing;
A fuel injection valve comprising a solenoid provided in the main body housing for driving the valve body in the axial direction, characterized in that a swirl groove is formed in an inner wall of the valve body housing. Fuel injection valve. (2) The valve body housing has a cylindrical valve body insertion hole that slidably guides the valve body in the axial direction and communicates with the injection port, and the swirl groove is formed in the valve body insertion hole. 2. The fuel injection valve according to claim 1, wherein the fuel injection valve comprises a spiral groove formed on the inner wall of the fuel injection valve. (3) The fuel injection valve according to claim 1, wherein the swirl groove is comprised of a plurality of spiral grooves recessed in the conical wall surface of the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4409786U JPS62156156U (en) | 1986-03-26 | 1986-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4409786U JPS62156156U (en) | 1986-03-26 | 1986-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62156156U true JPS62156156U (en) | 1987-10-03 |
Family
ID=30861581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4409786U Pending JPS62156156U (en) | 1986-03-26 | 1986-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016061225A (en) * | 2014-09-18 | 2016-04-25 | 株式会社豊田中央研究所 | Fuel injection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243032A (en) * | 1975-10-01 | 1977-04-04 | Bosch Gmbh Robert | Magnetically operable injection valve |
-
1986
- 1986-03-26 JP JP4409786U patent/JPS62156156U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243032A (en) * | 1975-10-01 | 1977-04-04 | Bosch Gmbh Robert | Magnetically operable injection valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016061225A (en) * | 2014-09-18 | 2016-04-25 | 株式会社豊田中央研究所 | Fuel injection device |
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