CN115173144A - Fuel injector cable assembly mounted on cylinder cover of diesel engine in front - Google Patents

Fuel injector cable assembly mounted on cylinder cover of diesel engine in front Download PDF

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Publication number
CN115173144A
CN115173144A CN202210616281.8A CN202210616281A CN115173144A CN 115173144 A CN115173144 A CN 115173144A CN 202210616281 A CN202210616281 A CN 202210616281A CN 115173144 A CN115173144 A CN 115173144A
Authority
CN
China
Prior art keywords
diesel engine
electric connector
fuel injector
cable assembly
binding post
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
Application number
CN202210616281.8A
Other languages
Chinese (zh)
Inventor
和龙
陈艾君
张丰
李菲菲
智海峰
辛花
杨国华
闫云艳
史伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China North Engine Research Institute Tianjin
Original Assignee
China North Engine Research Institute Tianjin
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 China North Engine Research Institute Tianjin filed Critical China North Engine Research Institute Tianjin
Priority to CN202210616281.8A priority Critical patent/CN115173144A/en
Publication of CN115173144A publication Critical patent/CN115173144A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/6485—Electrostatic discharge protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections

Landscapes

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

Abstract

The invention provides a fuel injector cable assembly arranged on a cylinder cover of a diesel engine in front, which belongs to the field of engines and comprises an electric connector assembly, a wiring harness and a wiring terminal; the cylinder cap is equipped with the mounting hole, and the electric connector is connected with the cylinder cap, the middle part of electric connector subassembly one end is connected to binding post through the pencil, and the pencil passes the mounting hole, and binding post is connected with the sprayer of installing to the cylinder cap. The invention is used for solving the problems of installation of a fuel injector driving wire harness on a cylinder cover and electrical discontinuity of a system shielding layer and incomplete electrostatic shielding layer at a fuel injector.

Description

Fuel injector cable assembly mounted on cylinder cover of diesel engine
Technical Field
The invention belongs to the field of diesel engines, and particularly relates to a fuel injector cable assembly which is arranged on a cylinder cover of a diesel engine in front.
Background
With the wide application of the high-voltage common rail diesel engine in special vehicles and the increasing number of electronic devices of the whole vehicle equipment, the electromagnetic environment on the whole vehicle is more and more complex, and meanwhile, higher requirements are put forward on the electromagnetic capacitance of the diesel engine electric control system. In order to meet the requirement of electromagnetic compatibility and prevent external interference injection or external radiation emission, the components of the diesel engine electric control system and the metal shells or shielding layers of the connected components thereof are required to have good electrical continuity, so that the integrity of electrostatic shielding is realized.
The high-pressure common rail diesel injector is an important part arranged in a cylinder of a diesel engine, and an electronic control system of the diesel engine drives a high-speed electromagnetic valve in the injector to realize the injection action by controlling high-frequency pulse current. The frequent change of the current in the oil injector driving lead can radiate and emit electromagnetic interference outwards, so that the electromagnetic environment of the whole vehicle is negatively influenced, and meanwhile, the electromagnetic interference radiated and emitted outwards by other electronic equipment on the whole vehicle can enter the electric control system through the oil injector driving lead, so that the work of the oil injector and the whole diesel engine electric control system is adversely influenced. The wiring mode that present sprayer high speed solenoid valve used does: the diesel engine electric control system is directly led out of a wiring terminal of the diesel engine electric control system or is connected into the diesel engine electric control system through a plastic electric connector, so that the problems that a system shielding layer is not continuous electrically and an electrostatic shielding layer is not complete at a fuel injector of a shielding layer of the whole diesel engine electric control system are caused, and the diesel engine electric control system cannot meet the electromagnetic compatibility requirement of the whole special vehicle. Meanwhile, the environment in the cylinder of the diesel engine is severe, and the design of the fuel injector cable assembly needs to fully consider the influence of comprehensive environmental stress factors such as oil gas, high temperature, vibration impact and the like in the cylinder.
Disclosure of Invention
In view of this, the present invention aims to provide an injector cable assembly mounted on a cylinder head of a diesel engine in front, so as to solve the problems of installation of an injector driving harness on the cylinder head and electrical discontinuity and incomplete electrostatic shielding layer of a system shielding layer at an injector.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a sprayer cable subassembly of preceding dress on diesel engine cylinder cap which characterized in that: the wire harness comprises an electric connector assembly, a wire harness and a wiring terminal; the cylinder cap is equipped with the mounting hole, and the electric connector is connected with the cylinder cap, the middle part of electric connector subassembly one end is connected to binding post through the pencil, and the pencil passes the mounting hole, and binding post is connected with the sprayer of installing to the cylinder cap.
Furthermore, a mounting plate is arranged in the middle of the electric connector assembly, the mounting plate is a square flange plate, and the mounting plate is connected with the cylinder cover assembly through bolts, so that the electric connector assembly is connected with the cylinder cover; a shell is arranged at one end of the electric connector assembly, the shell is of a hollow structure, and a connection point of the wiring harness and the electric connector assembly is arranged in the shell; the housing is adapted to be inserted into the mounting hole.
Further, still be equipped with electrically conductive cushion between mounting panel and the cylinder cap, electrically conductive cushion is used for establishing electric continuity, improvement leakproofness between electric connector subassembly and the cylinder cap.
Furthermore, the circumference surface of casing is equipped with the recess, installs fluorine silicon rubber seal in the recess, fluorine silicon rubber seal is used for improving the leakproofness of assembly between casing and the mounting hole, and the length of casing is less than the degree of depth of mounting hole.
Further, electric connector component one end is equipped with the contact, the contact is used for with the pencil welding, and the contact cup joints the pyrocondensation pipe with pencil welding point department, and the casing inner chamber fills silica gel for fix and seal the welding point of wrapping up the pyrocondensation pipe, the port department of casing sets up the epoxy glue, is used for sealing up and fixing the pencil.
Furthermore, a mould is arranged at the port of the shell, and epoxy resin glue is poured into the mould for shaping, wherein the length of the formed epoxy resin glue is 13-20mm.
Further, the inoxidizing coating is cup jointed to the outside of pencil, and the inoxidizing coating closely laminates with the pencil, the inoxidizing coating is the TPE material, still cup joints the sign sleeve pipe outside the inoxidizing coating.
Furthermore, binding post is equipped with the auto-lock plug spring, with the inserted sheet binding post adaptation of sprayer, and the binding post outside cup joints the fire-retardant flexible sheath of nylon or nylon right angle sheath for fire-retardant and insulating protection of binding post.
Compared with the prior art, the fuel injector cable assembly arranged on the cylinder cover of the diesel engine in front of the invention has the following advantages:
(1) The fuel injector cable assembly arranged on the cylinder cover of the diesel engine in front is convenient to assemble, disassemble and use and high in universality; according to the forms of the outlet ends of the high-speed electromagnetic valves of different oil injectors (such as screw binding posts, plastic sockets and the like), the connecting terminal with the self-locking inserting spring is replaced by a corresponding connecting terminal (such as a nut type connecting terminal, a plug and the like), and the oil injectors of other models can be assembled.
(2) The fuel injector cable assembly arranged on the cylinder cover of the diesel engine in front not only meets the use requirements of special environments (high temperature, oil gas and the like) in the cylinder cover, but also realizes the electrical continuity of the integral shielding layer of the electric control system of the diesel engine and the integrity of electrostatic shielding on the premise of meeting the sealing requirement of the cylinder cover.
(3) The fuel injector cable assembly arranged on the cylinder cover of the diesel engine in front has the advantages of simple and practical structure, low processing technology difficulty, low cost and easy wide popularization.
(4) According to the fuel injector cable assembly arranged on the cylinder cover of the diesel engine in front, the sealing and insulating performance at the welding spot is improved by adopting a double-glue sealing and fixing method, and the vibration impact resistance and the tensile resistance of the welding spot and a wire harness are enhanced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a cross-sectional view of a fuel injector cable assembly front-mounted to a cylinder head of a diesel engine in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting plate according to an embodiment of the present invention.
Description of the reference numerals:
1. an electrical connector assembly; 11. mounting a plate; 12. a housing; 13. conductive silica gel; 14. a groove; 15. silica gel; 16. epoxy resin glue; 2. a wire harness; 3. a wiring terminal; 4. the cannula is identified.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A fuel injector cable assembly mounted on a cylinder cover of a diesel engine in front is shown in figure 1 and comprises an electric connector assembly 1, a wiring harness 2 and a wiring terminal 3; the cylinder cover is provided with a mounting hole, and the mounting plate 11 is reserved for the electric connector assembly 1; the electric connector is connected with the cylinder cover, the middle part of one end of the electric connector assembly 1 is connected to a wiring terminal 3 through a wiring harness 2, the wiring harness 2 penetrates through the mounting hole, and the wiring terminal 3 is connected with a fuel injector mounted to the cylinder cover.
Preferably, the middle part of the electric connector component 1 is provided with a mounting plate 11, the mounting plate 11 is a square flange, and as shown in fig. 2, the mounting plate is connected with the cylinder cover component through bolts to realize the connection of the electric connector component and the cylinder cover; the four corners of installation version are equipped with a round hole respectively, and the specification of round hole is M3 x 4, and is preferred, still is equipped with the electrically conductive cushion between mounting panel 11 and the cylinder cap, the electrically conductive cushion is used for establishing electric continuity, improvement leakproofness between electric connector subassembly 1 and the cylinder cap. The outline of the conductive rubber pad is matched with the outline of the installation plate, and a round hole with the specification of M3 multiplied by 4 is also arranged.
Preferably, one end of the electrical connector assembly 1 is provided with a housing 12, the housing 12 is a hollow structure, and a connection point of the wiring harness 2 and the electrical connector assembly 1 is arranged in the housing 12; the housing 12 is adapted to be inserted into the mounting hole.
Preferably, a groove 14 is formed in the circumferential outer surface of the shell 12, a fluorosilicone rubber seal ring is installed in the groove 14, and the fluorosilicone rubber seal ring is used for improving the sealing performance of assembly between the shell 12 and the installation hole and preventing oil gas in the cylinder body from leaking; and the length of the housing 12 is less than the depth of the mounting hole.
Preferably, a double-glue fixing, sealing and fixing method is adopted inside the shell 12, one end of the electric connector component 1 is provided with a contact element, the contact element is used for being welded with the wiring harness 2, a heat-shrinkable tube is sleeved at the welding point of the contact element and the wiring harness 2, the inner cavity of the shell 12 is filled with silica gel 15, and the silica gel 15 is 704 silica gel 15; the heat shrinkable tube sealing device is used for fixing and sealing a welding point wrapping a heat shrinkable tube, and an epoxy resin adhesive 16 is arranged at a port of the shell 12 and used for sealing and fixing the wiring harness 2.
Preferably, the epoxy glue 16 is a DG-3S epoxy glue 16.
Preferably, a mold is arranged at a port of the shell 12, the mold is filled with epoxy resin glue 16 for shaping, and the end face of the molded epoxy resin glue 16 is 15mm longer than the end face of the shell 12 with the epoxy resin glue 16.
Preferably, the protective layer is sleeved outside the wire harness 2, the wire harness 2 is required to adopt a high-temperature-resistant oil-resistant flexible wire formed by extrusion molding once according to the environment (temperature, oil-gas characteristics and space size) in a cylinder of a diesel engine and the working current of an electromagnetic valve of an oil sprayer, the length is 12cm, the inner lead of the wire harness is a 2-core AF-200-1.0mm2 high-temperature-resistant lead (working temperature range is-50 ℃ -125 ℃), the outer protective layer of the wire harness 2 is a TPE material resistant to oil and high temperature, the inner core is required to be tightly attached to the outer protective layer, the outer protective layer is also sleeved with the identification sleeve 4, the identification sleeve 4 is a white or yellow wear-resistant oil-resistant heat-shrinkable tube, the content of the identification is processed by a laser burning process, and the identification is prevented from being corroded and damaged in the oil-gas environment in the cylinder cover.
Preferably, the connecting terminal 3 with the self-locking inserting spring is a copper tinned terminal with a locking inserting spring (the thickness of the material is not less than 0.4mm, the inserting hole is matched with an oil sprayer inserting sheet), a pressing locking hook is designed in the terminal, and the matching sectional area of a rear end wire pressing groove is 1.0mm2 of a wire; this one end of electric connector subassembly 1 can select for use different binding post 3 or connector and supporting the use of sprayer according to the form of sprayer high-speed solenoid valve leading-out terminal, with the inserted sheet binding post 3 adaptation of sprayer, and 3 outsides of binding post cup joint the fire-retardant flexible sheath of nylon or nylon right angle sheath for 3 fire-retardant and insulation protection of binding post.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The utility model provides a sprayer cable subassembly of preceding dress on diesel engine cylinder cap which characterized in that: the connector comprises an electric connector assembly, a wiring harness and a wiring terminal; the cylinder cap is equipped with the mounting hole, and the electric connector is connected with the cylinder cap, the middle part of electric connector subassembly one end is connected to binding post through the pencil, and the pencil passes the mounting hole, and binding post is connected with the sprayer of installing to the cylinder cap.
2. A fuel injector cable assembly for front mounting on a diesel engine cylinder head as set forth in claim 1, wherein: the middle part of the electric connector component is provided with a mounting plate which is a square flange plate, and the mounting plate is connected with the cylinder cover component through bolts so as to realize the connection of the electric connector component and the cylinder cover; a shell is arranged at one end of the electric connector assembly, the shell is of a hollow structure, and a connection point of the wiring harness and the electric connector assembly is arranged in the shell; the housing is adapted to be inserted into the mounting hole.
3. A fuel injector cable assembly forward-mounted on a diesel engine cylinder head as set forth in claim 2, wherein: still be equipped with electrically conductive cushion between mounting panel and the cylinder cap, electrically conductive cushion is used for establishing electric continuity, improvement leakproofness between electric connector subassembly and the cylinder cap.
4. A fuel injector cable assembly for front mounting on a diesel engine cylinder head as set forth in claim 3, wherein: the circumference surface of casing is equipped with the recess, installs fluorine silicon rubber seal in the recess, fluorine silicon rubber seal is used for improving the leakproofness of assembly between casing and the mounting hole, and the length of casing is less than the degree of depth of mounting hole.
5. A fuel injector cable assembly for front mounting on a diesel engine cylinder head as set forth in claim 4, wherein: one end of the electric connector component is provided with a contact element, the contact element is used for being welded with a wiring harness, the contact element is sleeved with a heat-shrinkable tube at the welding point of the wiring harness, an inner cavity of the shell is filled with silica gel for fixing and sealing the welding point wrapping the heat-shrinkable tube, and an epoxy resin adhesive is arranged at the port of the shell for sealing and fixing the wiring harness.
6. A front-mounted diesel engine cylinder head fuel injector cable assembly as set forth in claim 5, further characterized by: the port of casing sets up the mould, finalizes the design through pouring into epoxy glue in to the mould, and the epoxy glue length after the shaping is 13-16mm.
7. A fuel injector cable assembly forward-mounted on a diesel engine cylinder head as set forth in claim 1, wherein: the inoxidizing coating is cup jointed to the outside of pencil, and the inoxidizing coating closely laminates with the pencil, the inoxidizing coating is the TPE material, still cup joints the sign sleeve pipe outside the inoxidizing coating.
8. A fuel injector cable assembly for front mounting on a diesel engine cylinder head as set forth in claim 1, wherein: binding post is equipped with the auto-lock plug spring, with the inserted sheet binding post adaptation of sprayer, and binding post outside cup joints the fire-retardant flexible sheath of nylon or nylon right angle sheath for fire-retardant and insulation protection of binding post.
CN202210616281.8A 2022-06-01 2022-06-01 Fuel injector cable assembly mounted on cylinder cover of diesel engine in front Pending CN115173144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210616281.8A CN115173144A (en) 2022-06-01 2022-06-01 Fuel injector cable assembly mounted on cylinder cover of diesel engine in front

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210616281.8A CN115173144A (en) 2022-06-01 2022-06-01 Fuel injector cable assembly mounted on cylinder cover of diesel engine in front

Publications (1)

Publication Number Publication Date
CN115173144A true CN115173144A (en) 2022-10-11

Family

ID=83482575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210616281.8A Pending CN115173144A (en) 2022-06-01 2022-06-01 Fuel injector cable assembly mounted on cylinder cover of diesel engine in front

Country Status (1)

Country Link
CN (1) CN115173144A (en)

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