CN106704027B - Cylinder cap closing cap for Four valve EFI internal combustion engine - Google Patents
Cylinder cap closing cap for Four valve EFI internal combustion engine Download PDFInfo
- Publication number
- CN106704027B CN106704027B CN201611224994.0A CN201611224994A CN106704027B CN 106704027 B CN106704027 B CN 106704027B CN 201611224994 A CN201611224994 A CN 201611224994A CN 106704027 B CN106704027 B CN 106704027B
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- CN
- China
- Prior art keywords
- cylinder cap
- cap
- cylinder
- closing cap
- hole
- 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.)
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Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 37
- 239000000446 fuel Substances 0.000 claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
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
The present invention relates to the cylinder cap closing cap for Four valve EFI internal combustion engine, it has the fastening mounting hole (1) for cylinder cap, dowel hole (2) and the installation through-hole (3) inserted for electric-controlled fuel injector from outside.The cylinder cap closing cap has an installation groove (4) for accommodating electric-controlled fuel injector and its clam member rocking arm for each cylinder, and installing groove (4) at least has a trip bolt through hole (41) for being used to be fastened on pressing plate rocking arm on cylinder cap；The intracavitary of cylinder cap closing cap has the hollow pillar stand (5) of one and cylinder cap formation flat seal relative to the installation groove, to realize the electric-controlled fuel injector of Four valve EFI internal combustion engine from the installation and removal of the outside of cylinder cap closing cap.
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 the longitudinal height of increase of having to.On the other hand, existing Four valve EFI internal combustion engine all can only be using compression in cover
Electric-controlled fuel injector is, it is necessary to another windowing is used to install and compressed on cylinder cap closing cap, then sealed window, it is not only cumbersome but also
Operation is extremely inconvenient, 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
Cylinder cap closing cap for Four valve EFI internal combustion engine.
The present invention can use 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, which has, to be used for the cylinder cap
Closing cap is installed to the fastening mounting hole of cylinder cap and supplies 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
Groove is filled, 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 supplies the trip bolt for being used to the clam member rocking arm being fastened on cylinder cap to pass through；In the cylinder cap closing cap
Intracavitary, with hollow pillar stand corresponding with the installation groove, with cylinder cap formation flat seal.
Preferably, the cylinder cap closing cap, which also has, is used to make the cylinder cap closing cap position 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 is sealed with the cylinder cap.
Preferably, the installation groove, which is provided with, passes through through hole, described to pass through the branch that through hole supplies the clam member rocking arm
Put through and be pressed against on the cylinder cap.
Preferably, the installation groove, which is provided with, supplies the fulcrum of the clam member rocking arm 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 and the cylinder cap is close
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.
According to the cylinder cap closing cap of the present invention, can simple realization electric-controlled fuel injector from the fastening outside cylinder cap closing cap
With dismounting, without another windowing, visualization is high, it is easy to operate, simple and direct reliable.
Brief description of the drawings
Multiple embodiments of the present 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 according to the partially schematic of the cylinder cap closing cap for single cylinder Four valve electronic injection diesel engine of 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.
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, cylinder cap to be sealed
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
It can accommodate the installation groove 4 of electric-controlled fuel injector and its clam member rocking arm.
Install and electric-controlled fuel injector insertion installation through-hole 3, a trip bolt through hole 41 have 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 has been 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 opposite 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.
There is an installation groove 4 for each cylinder, in the intracavitary of cylinder cap closing cap, have relative to groove 4 is installed
There are the hollow pillar stand 5 of one and cylinder cap formation flat seal, the column bottom surface 43 of hollow pillar stand 5 and the periphery of cylinder cap closing cap
Bottom surface 6 at grade, is sealed using the sealing of oil resistant paper washer with cylinder cap formation.
Compare Fig. 1 and 2, it is believed that the top surface (outer surface) for sealing housing from cylinder cap inwardly (seals housing towards cylinder cap
The cylinder cap being installed to) it is protrudedly formed hollow pillar stand 5.Can from cylinder cap seal housing outside (upper right side in Fig. 2) to
Interior (lower left side in Fig. 2) concavely forms 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 adjacent valves 7 valve spring 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 such a structure is that electric-controlled fuel injector can be achieved after the insertion of outside without apex combustion seal
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 describe in detail.
Identically with first embodiment, cylinder cap closing cap has opened up fastening mounting hole 1, dowel hole 2 to second embodiment,
The positioning of cylinder cap closing cap is fastened 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 installation through-hole 3, a fastening has been opened up on groove 4
Screwing through hole 41, in order to after electric-controlled fuel injector is inserted using clam member rocking arm by trip bolt by electric-controlled fuel injector pressure
Tightly on cylinder cap.In the intracavitary of cylinder cap closing cap, relative to groove 4 is installed there is one to be formed with cylinder cap in plane contact
Empty column 5, the column bottom surface 43 of hollow pillar stand 5 and the periphery bottom surface 6 of cylinder cap closing cap are at grade.
The difference of second embodiment and first embodiment is essentially consisted in, and a fulcrum of clam member rocking arm is just located at
On cylinder cap closing cap, through hole 42 is passed through it is therefore not necessary to set in first embodiment；Sealing has been opened up on column bottom surface 43 to use
Sealing groove 6a has been opened up on groove 43a, 41a, the periphery bottom surface 6 of cylinder cap closing cap, rubber seal rings for seal will be used.
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, sealing the cylinder cap side that housing is installed to towards cylinder cap) is recessed.In the bottom land of the installation groove 4, cylinder cap sealing housing is still
Have its wall, still, installation through-hole 3, trip bolt through hole 41, pass through through hole 42 can through install groove 4 bottom wall.
The effect of the cylinder cap closing cap for Four valve EFI internal combustion engine of the present invention is briefly described below.
According to the cylinder cap closing cap of the present invention, be directed in the outside of cylinder cap closing cap has a receiving automatically controlled per cylinder
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 the corresponding trip bolt through hole 41 of screw hole of the clam member rocking arm with being fastened on cylinder cap, in cylinder cap closing cap
Intracavitary, so then can simple realization relative to the hollow pillar stand 5 that the installation groove 4 has one and cylinder cap formation flat seal
Electric-controlled fuel injector is from the fastening and dismounting outside cylinder cap closing cap, and without another windowing, visualization is high, it is easy to operate,
It is simple and direct reliable.
The column bottom surface 43 of hollow pillar stand 5 through two valve spring exists with the periphery bottom surface 6 of cylinder cap closing cap
, can be using the sealing of same plane pad on same plane.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 departing from the scope of the present invention.One or several in same embodiment or non-be the same as Example
Individual element or feature may also constitute new beneficial embodiment, i.e., be the same as Example can be combined as.
Claims (7)
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 supplies 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 has to be sealed from the outside of the cylinder cap closing cap towards the cylinder cap
The cylinder cap that is installed to of cover 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 the installation groove (4), the installation groove (4)
(41), the trip bolt through hole (41) passes through for the trip bolt for being used to the clam member rocking arm being fastened on cylinder cap；
In the intracavitary of the cylinder cap closing cap, with corresponding with the installation groove (4), with cylinder cap formation flat seal
Hollow pillar stand (5),
The installation groove (4) is formed in the hollow pillar stand (5) with inwardly concaving on the outside of cylinder cap sealing housing,
The hollow pillar stand (5) through two adjacent valve spring, the column bottom surface (43) of the hollow pillar stand with it is described
The periphery bottom surface (6) of cylinder cap closing cap can use planar pad by the column bottom surface (43) and institute at grade, at least
Periphery bottom surface (6) is stated to seal with the cylinder cap.
2. cylinder cap closing cap according to claim 1, it is characterised in that the cylinder cap closing cap, which also has, to be used to make
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 installation groove (4), which is provided with, passes through logical
Hole (42), the through hole (42) that passes through is passed through and is pressed against on the cylinder cap for the fulcrum of the clam member rocking arm.
4. 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.
5. 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.
6. cylinder cap closing cap according to any one of claim 1 to 5, it is characterised in that the installation through-hole (3) sets
Put in the circular centre of four valves (7).
7. cylinder cap closing cap according to any one of claim 1 to 5, 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 CN106704027A (en) | 2017-05-24 |
| CN106704027B true 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 |
|---|---|
| CN106704027A (en) | 2017-05-24 |
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| GR01 | Patent grant |