JPH05504389A - Fuel injection nozzle with leaking oil connection - Google Patents
Fuel injection nozzle with leaking oil connectionInfo
- Publication number
- JPH05504389A JPH05504389A JP3502187A JP50218791A JPH05504389A JP H05504389 A JPH05504389 A JP H05504389A JP 3502187 A JP3502187 A JP 3502187A JP 50218791 A JP50218791 A JP 50218791A JP H05504389 A JPH05504389 A JP H05504389A
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- bolt
- injection nozzle
- nozzle
- groove
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (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
【発明の詳細な説明】 漏 油接綾部を えた燃料噴射ノズル 技術分野 本発明は、請求項１の上位概念に基（漏洩油接続部を備えた燃料噴射ノズルに関 する。[Detailed description of the invention] Fuel injection nozzle with oil leakage part Technical field Based on the generic concept of claim 1, the present invention relates to a fuel injection nozzle with a leakage oil connection. do.
背景技術 燃料噴射ノズルのノズル保持体の漏洩油戻り案内部に対しては、ねじ軸内の軸方 向の盲孔及び頭近傍の横方向孔を備えた頭付ボルトが主に使用されており、接続 ニップルを備えた受容リングは、該頭付ボルトによりノズル保持体に密に圧着さ れる。この種の中空ボルトは、丸削り、孔あけ、パリ取り熱処理といった多くの 加工工程によって鋼材から製作される。Background technology For the leakage oil return guide of the nozzle holder of the fuel injection nozzle, Headed bolts with a blind hole in the direction and a lateral hole near the head are mainly used, and the connection The receiving ring with the nipple is tightly crimped onto the nozzle holder by the head bolt. It will be done. This kind of hollow bolt can be used in many ways, such as rounding, drilling, and deburring heat treatment. Manufactured from steel through a processing process.
本発明の課題は、燃料噴射ノズルの漏洩油接続部のための、受容リングを接続す るためのボルトを改良して、その製作を簡単かっ廉価に行うことができるように することにある。The object of the invention is to connect a receiving ring for a leakage oil connection of a fuel injection nozzle. Improved the bolts used to make the bolts easier and cheaper to manufacture. It's about doing.
発明の開示 請求項１の特徴を備えた本発明の燃料噴射ノズルの漏洩油接続部は、受容リング へ漏洩油を貫流せしめるボルトを冷間変形によって製作することができるという 利点を有している。このようなほぼ冷間変形だけによる製作法の採用によって、 同時に冷間加工による硬化によりその熱処理を省くこともできる。Disclosure of invention The leakage oil connection of the fuel injection nozzle according to the invention with the features of claim 1 comprises a receiving ring. It is said that it is possible to fabricate bolts that allow leakage oil to flow through by cold deformation. It has advantages. By adopting this manufacturing method that relies almost exclusively on cold deformation, At the same time, the heat treatment can be omitted by hardening by cold working.
漏洩油接続部のための充分な凍れ横断面積を得るためにボルトのねじ軸内に、長 手方向軸線に対し平行して又は傾斜して延びている多数の長手方向溝が配置され ている場合は特に有利である。長手方向溝は、有利にはねじ軸の面取部として形 成されていても宣い。In order to obtain sufficient frozen cross-sectional area for the leakage oil connection, a long A number of longitudinal grooves are arranged extending parallel or obliquely to the manual axis. This is particularly advantageous if The longitudinal groove is advantageously designed as a chamfer on the screw shaft. Proclaim even if it is accomplished.
図面の簡単な説明 本発明の実施例を図面に図示し、次にこれを詳細に説明する。その際図１は、燃 料噴射ノズルの漏洩油接続部を備えたノズル保持体の部分の、部分的に切断した 縦断面図、図２は漏洩油接続部の頭付ボルトの第１実施例の側面図、図３は図２ の頭付きボルトの平面図、図４は頭付ボルトの第２実施例の側面図、図５は図４ の頭付ボルトの平面図、を夫々図示している。Brief description of the drawing Embodiments of the invention are illustrated in the drawings and will now be described in detail. In this case, Figure 1 The part of the nozzle holder with the leaking oil connection of the oil injection nozzle has been partially cut away. A longitudinal sectional view, FIG. 2 is a side view of the first embodiment of the head bolt of the leakage oil connection, and FIG. Figure 4 is a side view of the second embodiment of the head bolt, Figure 5 is Figure 4. A top view of the bolt head is shown in each figure.
実施例 燃料噴射ノズルのノズル保持体１は、漏洩油を戻すためにねじ孔３内に開口して いる通路２を有している。Example The nozzle holder 1 of the fuel injection nozzle is opened into a screw hole 3 to return leaked oil. It has a passageway 2.
このねじ孔３に漏洩油接続部５が接続されており、該接続部５は、ねじ軸１１及 び頭１２を備えた頭付ボルトｌＯと受容リング１４とを有している。内方のリン グ溝１５及び接続ニップル１６を備えている受容リング１４は、ボルト１０のね じ軸１１に跨っており、かつ２つの封止リング１７の間挿下でボルト１０の！［ １２によってノズル保持体ｌに対して圧着されている。A leakage oil connection portion 5 is connected to this screw hole 3, and the connection portion 5 is connected to the screw shaft 11 and It has a headed bolt lO with a flared head 12 and a receiving ring 14. inner phosphorus The receiving ring 14, which has a groove 15 and a connecting nipple 16, The bolt 10 straddles the same shaft 11 and is inserted between the two sealing rings 17! [ 12 and is pressed against the nozzle holder l.
ボルト１０は、ｍ４油を、ノズル保持体１の通路２から受容リング１４のリング 溝１５内及び接続ニップル１６内のノズル体ｌの通路２に戻すために、そのねじ 軸１１の外周部に複数の、有利には４つの長手方向溝２０を有しており、その領 域内にはねじが設けられている。長手方向溝２０は、軸１１の自由端面からボル ト１０の１ｉｌ１２の近くにまで延びている。The bolt 10 transfers M4 oil from the passage 2 of the nozzle holder 1 to the ring of the receiving ring 14. its screw back into the channel 2 of the nozzle body l in the groove 15 and in the connecting nipple 16. The outer periphery of the shaft 11 has a plurality of longitudinal grooves 20, preferably four, extending in its area. A screw is provided within the area. The longitudinal groove 20 extends from the free end surface of the shaft 11 to the bolt. It extends to near 1il12 of 10.
図２及び図３に基〈実施例にあっては、長手方向溝２ｏがＵ字状の横断面を備え た溝２１として形成されている。溝２１の深さはボルト１０の軸１１内のねじ山 の高さよりも大きいため、ノズル保持体ｌ内のねじ孔３のねじの背面と軸１１内 の溝２１の底部との間に漏洩油を貫通せしめるための通路が形成される。軸ｌｌ 内のねじは圧延によって製作され、また溝１２は冷間変形によって製作可能であ る。Based on FIGS. 2 and 3, in the embodiment, the longitudinal groove 2o has a U-shaped cross section. It is formed as a groove 21. The depth of the groove 21 is the same as the thread in the shaft 11 of the bolt 10. is larger than the height of the screw hole 3 in the nozzle holder l and the inside of the shaft 11. A passage for leaking oil to pass through is formed between the groove 21 and the bottom of the groove 21 . axis ll The inner thread can be manufactured by rolling, and the groove 12 can be manufactured by cold deformation. Ru.
図４及び図５に基（実施例にあっては、面取部２２の形状をした２つの溝２０が ボルト１０の軸１１上に形成されている。ねじ部及び面取部２２は冷却衝撃によ って形成され、その際ダイス分割部は面取部２２の中心線内を延びている。Based on FIGS. 4 and 5 (in the embodiment, two grooves 20 in the shape of chamfered portions 22 are It is formed on the shaft 11 of the bolt 10. The threaded portion and chamfered portion 22 are protected by cooling shock. In this case, the die part extends in the center line of the chamfer 22.
更に補足的に述べれば、溝はボルトのねじ軸１１の軸線に対し平行に延びること ができるだけでな（、その軸線に対し傾斜して乃至はスパイラル状に延びること も可能である。In addition, the groove extends parallel to the axis of the threaded shaft 11 of the bolt. (extending obliquely or spirally with respect to its axis) is also possible.
要 約 書 漏洩油接続部を備えた燃料噴射ノズルであって、ねじ軸内に貫通通路を有してい てノズル保持体のねじ孔内に螺入された頭付ボルトと、原付ボルトの頭とノズル 保持体との間に張着されている受容リングとを備えている形式のものにおいて、 貫通通路がボルト（１０）の外周部に延びている少なくとも１つの長手方向溝（ ２０）によって形成されている。これによってｇ１洩油接続部を備えた燃料噴射 ノズルを簡単かっ廉僅に製作することができる。Summary book A fuel injection nozzle with a leakage oil connection having a through passage in the threaded shaft. The head bolt screwed into the screw hole of the nozzle holder, and the head of the original bolt and the nozzle. and a receiving ring stretched between the holding body and the holding body, at least one longitudinal groove ( 20). This allows fuel injection with a g1 oil leakage connection. The nozzle can be manufactured easily and inexpensively.
国際調査報告 国際調査報告international search report international search report
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9001194U DE9001194U1 (en) | 1990-02-03 | 1990-02-03 | Fuel injection nozzle with leak oil connection |
| DE9001194.5U | 1990-02-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05504389A true JPH05504389A (en) | 1993-07-08 |
| JP2851425B2 JP2851425B2 (en) | 1999-01-27 |
Family
ID=6850625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3502187A Expired - Lifetime JP2851425B2 (en) | 1990-02-03 | 1991-01-17 | Fuel injection nozzle with leaking oil connection |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0513020B1 (en) |
| JP (1) | JP2851425B2 (en) |
| BR (1) | BR9105979A (en) |
| DE (2) | DE9001194U1 (en) |
| WO (1) | WO1991011606A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10201353B4 (en) * | 2002-01-16 | 2004-04-08 | Daimlerchrysler Ag | High-pressure connection for a fuel injection system for internal combustion engines |
| CN108940626A (en) * | 2018-09-05 | 2018-12-07 | 红塔烟草(集团)有限责任公司 | A kind of anti-overflow leakage device of nozzle |
| CN111830410B (en) * | 2020-07-24 | 2022-11-29 | 上海外高桥造船有限公司 | Oil head test fixing and oil collecting device of diesel generating set |
| USD1023736S1 (en) | 2022-10-27 | 2024-04-23 | Fleece Performance Engineering, Inc. | Bolt |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1521875A (en) * | 1977-03-08 | 1978-08-16 | Zuev A | Fluid conduit apparatus and a method of making same |
| JPS5752376Y2 (en) * | 1979-02-26 | 1982-11-13 | ||
| DE8104261U1 (en) * | 1981-02-17 | 1981-08-06 | Robert Bosch Gmbh, 7000 Stuttgart | LIQUID-COOLED FUEL INJECTION NOZZLE |
-
1990
- 1990-02-03 DE DE9001194U patent/DE9001194U1/en not_active Expired - Lifetime
-
1991
- 1991-01-17 WO PCT/DE1991/000030 patent/WO1991011606A1/en active IP Right Grant
- 1991-01-17 JP JP3502187A patent/JP2851425B2/en not_active Expired - Lifetime
- 1991-01-17 EP EP91901696A patent/EP0513020B1/en not_active Expired - Lifetime
- 1991-01-17 BR BR919105979A patent/BR9105979A/en not_active IP Right Cessation
- 1991-01-17 DE DE59102948T patent/DE59102948D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR9105979A (en) | 1992-11-10 |
| DE59102948D1 (en) | 1994-10-20 |
| WO1991011606A1 (en) | 1991-08-08 |
| DE9001194U1 (en) | 1991-05-29 |
| EP0513020B1 (en) | 1994-09-14 |
| EP0513020A1 (en) | 1992-11-19 |
| JP2851425B2 (en) | 1999-01-27 |
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