CN106704027A - Cylinder cover sealing cover cap for four-valve electronic injection internal combustion engine - Google Patents
Cylinder cover sealing cover cap for four-valve electronic injection internal combustion engine Download PDFInfo
- Publication number
- CN106704027A CN106704027A CN201611224994.0A CN201611224994A CN106704027A CN 106704027 A CN106704027 A CN 106704027A CN 201611224994 A CN201611224994 A CN 201611224994A CN 106704027 A CN106704027 A CN 106704027A
- Authority
- CN
- China
- Prior art keywords
- cylinder cap
- cylinder
- cap
- hole
- closing cap
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0082—Mounting of engine casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
- F02F11/002—Arrangements of sealings in combustion engines involving cylinder heads
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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
The invention relates to a cylinder cover sealing cover cap for a four-valve electronic injection internal combustion engine. The cylinder cover sealing cover cap is provided with a fastening and mounting hole (1) for a cylinder cover, a locating pin hole (2) and a mounting through hole (3) allowing an electronically-controlled oil injector to be inserted from the outer part. For each air cylinder, the cylinder cover sealing cover cap is provided with a mounting groove (4) for accommodating the electronically-controlled oil injector and fastening a pressing plate rocker arm; a fastening screw through hole (41) for fastening the pressing plate rocker arm on the cylinder cover is at least formed in the mounting groove (4); and a cavity of the cylinder cover sealing cover cap is internally provided with a hollow upright column (5) forming planar seal with the cylinder cover relative to the mounting groove, so that the mounting and dismounting of the electronically-controlled oil injector of the four-valve electronic injection internal combustion engine from the outer part of the cylinder cover sealing cover cap are conveniently realized.
Description
Technical field
The present invention relates to the accessory of internal combustion engine, the cylinder cap seal closure of Four valve EFI internal combustion engine is more particularly related to
Lid.
Background technology
In the prior art, to be arranged substantially in four valve spring circular for the electric-controlled fuel injector of Four valve EFI internal combustion engine
Centre, because the relation of electric-controlled fuel injector patch cord is, it is necessary to pass through cylinder cap closing cap, thus, on cylinder cap closing cap
Need passing through the apex combustion seal of the position increase such as class of radial direction oil sealing one, this needs there are enough installations empty at the position
Between, or even have to increase the height of longitudinal direction.On the other hand, existing Four valve EFI internal combustion engine all can only be using compression in cover
Electric-controlled fuel injector, it is necessary to another windowing is used to install and compresses on cylinder cap closing cap, then sealed window, it is not only cumbersome but also
Operation extremely inconvenience, poor reliability.
The content of the invention
In view of above-mentioned prior art, easily cylinder cap is installed to it is an object of the invention to provide a kind of by electric-controlled fuel injector
For the cylinder cap closing cap of Four valve EFI internal combustion engine.
The present invention can be used but be not limited to following proposal.
A kind of cylinder cap closing cap for Four valve EFI internal combustion engine, the cylinder cap closing cap has to be used for the cylinder cap
Closing cap is installed to the fastening mounting hole of cylinder cap and for electric-controlled fuel injector from the outside insertion of the cylinder cap closing cap
Installation through-hole, wherein,
For each cylinder, the cylinder cap closing cap has from the outside of the cylinder cap closing cap towards the cylinder cap
The cylinder cap that closing cap is installed to is recessed, a peace for accommodating the electric-controlled fuel injector and its clam member rocking arm
Dress groove, the installation through-hole runs through the installation groove, and the installation groove is provided with trip bolt through hole, the fastening spiral shell
Nail through hole is for for the trip bolt that the clam member rocking arm is fastened on cylinder cap to be passed through；In the cylinder cap closing cap
In chamber, the hollow pillar stand of flat seal is formed with corresponding with the installation groove and described cylinder cap.
Preferably, the cylinder cap closing cap also has for making the cylinder cap closing cap be positioned relative to the cylinder cap
Dowel hole.
Preferably, the hollow pillar stand is through two adjacent valve spring, the column bottom surface of the hollow pillar stand with
The periphery bottom surface of the cylinder cap closing cap can use planar pad by the column bottom surface and the week at grade, at least
Side bottom surface seals with the cylinder cap.
Preferably, the installation groove is provided with and passes through through hole, the branch for passing through through hole for the clam member rocking arm
Put through and be pressed against on the cylinder cap.
Preferably, it is described the fulcrum that groove is provided with for the clam member rocking arm is installed to be pressed against the cylinder cap seal closure
What is covered compresses position.
Preferably, the column bottom surface of the hollow pillar stand offers sealing groove, the periphery of the cylinder cap closing cap
Bottom surface offers sealing groove, using rubber seal that the column bottom surface and the periphery bottom surface is close with the cylinder cap
Envelope.
Preferably, the installation is formed in the hollow pillar stand with inwardly concaving on the outside of cylinder cap sealing housing
Groove.
Preferably, the installation through-hole be arranged on four spiracular annulus around centre.
Preferably, the Four valve EFI internal combustion engine is single-cylinder engine or multi-cylinder engine.
Cylinder cap closing cap of the invention, can fastening of the simple realization electric-controlled fuel injector from outside cylinder cap closing cap
With dismounting, without another windowing, visualization is high, it is easy to operate, simple and direct reliability.
Brief description of the drawings
Multiple embodiments of the invention are shown in the drawings, they are described in detail in the following description.
Fig. 1 is the cylinder cap seal closure for multi-cylinder Four valve Single Over Head Camshaft electronic injection diesel engine according to first embodiment
The partial schematic diagram of lid；
Fig. 2 is the cylinder cap seal closure for multi-cylinder Four valve Single Over Head Camshaft electronic injection diesel engine according to first embodiment
The partial perspective view of lid；
Fig. 3 is the partially schematic of the cylinder cap closing cap for single cylinder Four valve electronic injection diesel engine according to second embodiment
Figure；
Fig. 4 is the sectional perspective of the cylinder cap closing cap for single cylinder Four valve electronic injection diesel engine according to second embodiment
Figure.
Specific embodiment
The preferred embodiments of the present invention are further detailed with reference to the accompanying drawings.It will be appreciated, however, that these are said
It is bright be only it is exemplary, be not used in limitation the scope of the present invention.
Fig. 1-2 examples go out the cylinder cap for multi-cylinder Four valve Single Over Head Camshaft electronic injection diesel engine according to first embodiment
Closing cap.The periphery of cylinder cap closing cap has opened up multiple fastening mounting holes 1, multiple dowel holes 2, is used to seal cylinder cap
Cover lid positioning is fastened on cylinder cap.It is that every cylinder is opened up on the direction for avoiding distribution cam axle cavity volume on cylinder cap closing cap
The installation groove 4 of electric-controlled fuel injector and its clam member rocking arm can be accommodated.
Install and electric-controlled fuel injector insertion 3, trip bolt through hole 41 of installation through-hole has been opened up on groove 4, so as to
The electric-controlled fuel injector is pressed on cylinder cap by trip bolt using clam member rocking arm after being inserted in electric-controlled fuel injector.Peace
One is opened up on dress groove 4 in addition and has passed through through hole 42, it is convenient that a fulcrum of clam member rocking arm is located on cylinder cap.Change speech
It, the opposition side of the pressed parts of the compression electric-controlled fuel injector of clam member rocking arm is provided with fulcrum, and the fulcrum is inserted into
Pass through in through hole 42, so that the fulcrum can be pressed on cylinder cap.
Have an installation groove 4, in the chamber of cylinder cap closing cap, have relative to groove 4 is installed for each cylinder
There are a hollow pillar stand 5 that flat seal is formed with cylinder cap, the column bottom surface 43 of hollow pillar stand 5 and the periphery of cylinder cap closing cap
Bottom surface 6 at grade, sealing is formed using the sealing of oil resistant paper washer and cylinder cap.
Control Fig. 1 and 2, it is believed that inwardly (seal housing towards cylinder cap from the top surface (outer surface) of cylinder cap sealing housing
The cylinder cap being installed to) it is protrudedly formed hollow pillar stand 5.Can from cylinder cap sealing housing outside (upper right side in Fig. 2) to
Interior (lower left side in Fig. 2) is concavely formed in hollow pillar stand 5 and installs groove 4.
In this application, hollow pillar stand 5 has the wall thickness in the same order of magnitude with the thickness of housing, therefore, in the application
Hollow pillar stand 5 be also referred to as " thin-walled column ".
Reference picture 1, installation through-hole 3 is arranged on four circular centres of valve 7.The length direction of groove 4 is being installed
On, coupling part 44 between installation through-hole 3 and trip bolt through hole 41 through two valve spring of adjacent valve 7 it
Between.Therefore, the coupling part 44 has the width narrower than installing the other parts of groove 4.
The cylinder cap closing cap of this kind of structure without apex combustion seal be capable of achieving electric-controlled fuel injector outside insertion after
Compress, and sealed reliable.
Fig. 3-4 examples go out the cylinder cap closing cap for single cylinder electronic injection diesel engine according to second embodiment.For with figure
The same or analogous structure of first embodiment in 1-2 marks same or analogous reference or omits corresponding accompanying drawing mark
Note, and omit corresponding detailed description in detail.
Identically with first embodiment, cylinder cap closing cap has opened up fastening mounting hole 1, dowel hole 2 to second embodiment,
It is used to be fastened on cylinder cap closing cap positioning on cylinder cap.Cylinder cap closing cap opened up one can accommodate electric-controlled fuel injector and its
The installation groove 4 of clam member rocking arm, installs and electric-controlled fuel injector insertion 3, fastening of installation through-hole has been opened up on groove 4
Screwing through hole 41, in order to pass through trip bolt by electric-controlled fuel injector pressure using clam member rocking arm after electric-controlled fuel injector is inserted
Tightly on cylinder cap.In the chamber of cylinder cap closing cap, relative to install groove 4 have one with cylinder cap formation plane contact in
Empty column 5, the column bottom surface 43 of hollow pillar stand 5 is with the periphery bottom surface 6 of cylinder cap closing cap at grade.
Second embodiment is essentially consisted in the difference of first embodiment, and a fulcrum of clam member rocking arm is just located at
On cylinder cap closing cap, it is therefore not necessary to pass through through hole 42 in setting first embodiment；Sealing has been opened up on column bottom surface 43 to use
Groove 43a, 41a, have opened up sealing groove 6a on the periphery bottom surface 6 of cylinder cap closing cap, will be using rubber seal rings for seal.
Installation groove 4 in the application is it is also understood that be a part of outside-in for making cylinder cap seal housing
(that is, the cylinder cap side being installed to towards cylinder cap sealing housing) is recessed.In the bottom land of the installation groove 4, cylinder cap sealing housing is still
Have its wall, but, installation through-hole 3, trip bolt through hole 41, pass through through hole 42 can run through install groove 4 bottom wall.
The effect of the cylinder cap closing cap for Four valve EFI internal combustion engine of the invention is briefly described below.
Cylinder cap closing cap of the invention, being directed to per cylinder in the outside of cylinder cap closing cap has a receiving automatically controlled
The installation groove 4 of fuel injector and its clam member rocking arm；The installation through-hole 3 that insertion electric-controlled fuel injector has been opened up on groove 4 is installed
And trip bolt through hole 41 corresponding with the screw hole of the clam member rocking arm being fastened on cylinder cap, in cylinder cap closing cap
In chamber, there is a hollow pillar stand 5 that flat seal is formed with cylinder cap relative to the installation groove 4, so then can simple realization
Fastening of the electric-controlled fuel injector from outside cylinder cap closing cap and dismounting, without another windowing, visualization is high, it is easy to operate,
Simple and direct reliability.
Periphery bottom surface 6 through the column bottom surface 43 of the hollow pillar stand 5 two valve spring and cylinder cap closing cap exists
On same plane, can be sealed using same plane pad.It is automatically controlled spray without separately setting apex combustion seal on cylinder cap closing cap
The optimization design of oily device provides favourable condition.
The invention is not restricted to above-described embodiment, those skilled in the art under the teachings of the present invention, can be to above-mentioned implementation
Example is variously modified and modification, without deviating from the scope of the present invention.One or several in same embodiment or different embodiments
Individual element or feature are likely to constitute new beneficial embodiment, i.e., different embodiments can be combined as.
Claims (9)
1. a kind of cylinder cap closing cap for Four valve EFI internal combustion engine, the cylinder cap closing cap has for the cylinder cap is close
Sealing cover lid is installed to the fastening mounting hole (1) of cylinder cap and for electric-controlled fuel injector from the outside insertion of the cylinder cap closing cap
Installation through-hole (3), it is characterised in that
For each cylinder, the cylinder cap closing cap have sealed towards the cylinder cap from the outside of the cylinder cap closing cap
The cover cylinder cap that is installed to of lid is recessed, an installation for accommodating the electric-controlled fuel injector and its clam member rocking arm is recessed
Groove (4), the installation through-hole (3) is provided with trip bolt through hole through installation groove (4), installation groove (4)
(41), the trip bolt through hole (41) is for for the trip bolt that the clam member rocking arm is fastened on cylinder cap to be passed through；
In the chamber of the cylinder cap closing cap, flat seal is formed with corresponding with installation groove (4) and described cylinder cap
Hollow pillar stand (5).
2. cylinder cap closing cap according to claim 1, it is characterised in that the cylinder cap closing cap also has for making
The cylinder cap closing cap is relative to the dowel hole (2) that the cylinder cap is positioned.
3. cylinder cap closing cap according to claim 1, it is characterised in that the hollow pillar stand (5) is through adjacent two
Between valve spring, the column bottom surface (43) of the hollow pillar stand is with the periphery bottom surface (6) of the cylinder cap closing cap same
In plane, the column bottom surface (43) and the periphery bottom surface (6) can at least be sealed with the cylinder cap using planar pad.
4. cylinder cap closing cap according to claim 1, it is characterised in that the installation groove (4) is provided with passes through logical
Hole (42), the through hole (42) that passes through is passed through for the fulcrum of the clam member rocking arm and is pressed against on the cylinder cap.
5. cylinder cap closing cap according to claim 1, it is characterised in that the installation groove (4) is provided with for described
What the fulcrum of clam member rocking arm was pressed against the cylinder cap closing cap compresses position.
6. cylinder cap closing cap according to claim 1, it is characterised in that the column bottom surface of the hollow pillar stand (5)
(43) sealing groove (43a, 41a) is offered, the periphery bottom surface (6) of the cylinder cap closing cap offers sealing groove
(6a), is sealed the column bottom surface (43) and the periphery bottom surface (6) with the cylinder cap using rubber seal.
7. cylinder cap closing cap according to any one of claim 1 to 6, it is characterised in that from the cylinder cap closure
Installation groove (4) is formed in the hollow pillar stand (5) with being inwardly concaved on the outside of cover.
8. cylinder cap closing cap according to any one of claim 1 to 6, it is characterised in that the installation through-hole (3) sets
Put in the circular centre of four valves (7).
9. cylinder cap closing cap according to any one of claim 1 to 6, it is characterised in that in the Four valve EFI
Combustion engine is single-cylinder engine or multi-cylinder engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224994.0A CN106704027B (en) | 2016-12-27 | 2016-12-27 | Cylinder cap closing cap for Four valve EFI internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224994.0A CN106704027B (en) | 2016-12-27 | 2016-12-27 | Cylinder cap closing cap for Four valve EFI internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704027A true CN106704027A (en) | 2017-05-24 |
| CN106704027B CN106704027B (en) | 2017-11-07 |
Family
ID=58895412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611224994.0A Active CN106704027B (en) | 2016-12-27 | 2016-12-27 | Cylinder cap closing cap for Four valve EFI internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704027B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4282914B2 (en) * | 2001-05-17 | 2009-06-24 | 本田技研工業株式会社 | engine |
| CN201321877Y (en) * | 2008-09-18 | 2009-10-07 | 广西玉柴机器股份有限公司 | Integral type cam shaft bearing cap |
| WO2010125948A1 (en) * | 2009-04-30 | 2010-11-04 | ヤンマー株式会社 | Engine |
| CN105114201A (en) * | 2015-07-31 | 2015-12-02 | 奇瑞汽车股份有限公司 | Integrated camshaft bearing cover assembly of diesel engine |
-
2016
- 2016-12-27 CN CN201611224994.0A patent/CN106704027B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4282914B2 (en) * | 2001-05-17 | 2009-06-24 | 本田技研工業株式会社 | engine |
| CN201321877Y (en) * | 2008-09-18 | 2009-10-07 | 广西玉柴机器股份有限公司 | Integral type cam shaft bearing cap |
| WO2010125948A1 (en) * | 2009-04-30 | 2010-11-04 | ヤンマー株式会社 | Engine |
| CN105114201A (en) * | 2015-07-31 | 2015-12-02 | 奇瑞汽车股份有限公司 | Integrated camshaft bearing cover assembly of diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704027B (en) | 2017-11-07 |
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