KR950019163A - Fuel injectors of internal combustion engines - Google Patents

Fuel injectors of internal combustion engines Download PDF

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Publication number
KR950019163A
KR950019163A KR1019940034599A KR19940034599A KR950019163A KR 950019163 A KR950019163 A KR 950019163A KR 1019940034599 A KR1019940034599 A KR 1019940034599A KR 19940034599 A KR19940034599 A KR 19940034599A KR 950019163 A KR950019163 A KR 950019163A
Authority
KR
South Korea
Prior art keywords
fuel injection
injector housing
injection valve
internal combustion
cover
Prior art date
Application number
KR1019940034599A
Other languages
Korean (ko)
Other versions
KR960010288B1 (en
Inventor
유지 이따꾸라
Original Assignee
쯔지 요시후미
니싼 지도샤 가부시끼가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 쯔지 요시후미, 니싼 지도샤 가부시끼가이샤 filed Critical 쯔지 요시후미
Publication of KR950019163A publication Critical patent/KR950019163A/en
Application granted granted Critical
Publication of KR960010288B1 publication Critical patent/KR960010288B1/en

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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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0059—Arrangements of valve actuators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

본 발명의 목적은 부품수를 삭감하면서, 용이하고 또한 확실하게 연료분사밸브를 부착시키는 것으로 그 구성으로는 연결부(31)를 정상부(30)에 돌출 설치한 연료분사밸브(3)를 연료공급관(10)에 형성된 대략 원통상의 인젝터 하우징(1)의 내주에 수납 장치하는 한편, 연료분사밸브(3)의 정상부(30)를 횡단하는 동시에 인젝터 하우징(1)의 단면에 나사식으로 부착되는 유지 커버(2)를 구비하며 유지 커버(2)의 기단측에 관통공(22)을 형성하는 한편, 타단에서 인젝터 하우징(1)의 외주로 향한 톱(24)을 돌출 설치하고 유지 커버(2)의 도중에 굴곡형성된 결합부(23)를 구비하여 연료분사밸브(3)의 정상부(30)의 측면 (30A)에 유지커버(2)의 결합부(23)와 결합하는 평면을 헝성하고 유지 커버(2)의 관통공(22)에 삽통되어서 인젝터 하우징(1)의 단면에 나사식으로 맞춤되는 볼트(5)를 구비한다.SUMMARY OF THE INVENTION An object of the present invention is to attach a fuel injection valve easily and reliably while reducing the number of parts, and in such a configuration, the fuel injection valve 3 having the connecting portion 31 protruding from the top portion 30 is provided with a fuel supply pipe ( 10. An accommodating device on the inner circumference of the substantially cylindrical injector housing 1 formed in 10, while holding the screw 30 to the end face of the injector housing 1 while traversing the top 30 of the fuel injection valve 3; A through hole 22 is provided on the proximal end of the retaining cover 2, and the cover 2 is provided, while the other end protrudes the saw 24 facing the outer periphery of the injector housing 1, and the retaining cover 2 is provided. The coupling part 23 is bent in the middle of the fuel injection valve 3 to the side surface 30A of the top portion 30A is formed to form a plane engaging with the coupling part 23 of the holding cover 2 and the holding cover ( 2, a bolt inserted into the through hole 22 of the injector housing 1 and screwed into a cross section of the injector housing 1; 5).

Description

내연기관의 연료분사장치Fuel injection device of internal combustion engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명의 실시예를 도시하는 평면도.1 is a plan view showing an embodiment of the present invention.

제 2 도는 제 1 도의 A-A 단면도.2 is a sectional view taken along the line A-A of FIG.

제 3 도는 유지 플레이트의 사시도.3 is a perspective view of a retaining plate.

Claims (1)

연결부를 정상부에 돌출 설치한 연료분사밸브를 연료공급관에 형성된 대략 원통상의 인잭터 하우징의 내주에 수납 장치하는 한편, 연료분사밸브의 정상부를 횡단하는 동시에 인잭터 하우징의 단면에 나사식으로 부착되는 유지 커버를 구비한 내연기관의 연료분사장치에 있어서, 상기 유지 커버의 기단측에 관통공을 형성하는 한편, 타단에서 인잭터 하우징의 외주로 향한 凸부를 돌출 설치하고, 상기 유지 커버의 도중에 굴곡부를 형성하는 동시에 상기 인잭터 하우징의 단면에 형성되고 상기 凸부와 결합 가능한 홈을 구비하며 상기 연료분사밸브의 정상부의 측면에 상기 유지 커버의 굴곡부를 결합하는 평면을 형성하고 상기 관통공에 삽통되어서 인잭터 하우징의 단면에 나사식으로 맞춤되는 체결수단을 구비한 것을 특징으로 하는 내연기관의 연료분사장치.The fuel injection valve having the connecting portion protruding at the top is housed in the inner circumference of the substantially cylindrical injector housing formed in the fuel supply pipe, while being threadedly attached to the end face of the injector housing while traversing the top of the fuel injection valve. In the fuel injection device of an internal combustion engine provided with a retaining cover, a through hole is formed at the proximal end of the retaining cover, and a protruding portion is provided at the other end toward the outer periphery of the injector housing. At the same time, the groove is formed in the cross section of the injector housing and has a groove that can be engaged with the convex portion, and forms a plane that engages the bent portion of the retaining cover on the side of the top of the fuel injection valve and is inserted into the through hole. A combustion engine of an internal combustion engine, comprising fastening means adapted to be screwed to a cross section of the jack housing. Injector. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940034599A 1993-12-27 1994-12-16 Fuel injection apparatus KR960010288B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33181893A JP3237361B2 (en) 1993-12-27 1993-12-27 Fuel injection device for internal combustion engine
JP93-331818 1993-12-27

Publications (2)

Publication Number Publication Date
KR950019163A true KR950019163A (en) 1995-07-22
KR960010288B1 KR960010288B1 (en) 1996-07-27

Family

ID=18247991

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940034599A KR960010288B1 (en) 1993-12-27 1994-12-16 Fuel injection apparatus

Country Status (2)

Country Link
JP (1) JP3237361B2 (en)
KR (1) KR960010288B1 (en)

Also Published As

Publication number Publication date
JPH07189855A (en) 1995-07-28
JP3237361B2 (en) 2001-12-10
KR960010288B1 (en) 1996-07-27

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