CN105822452B - The Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses - Google Patents
The Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses Download PDFInfo
- Publication number
- CN105822452B CN105822452B CN201610340060.7A CN201610340060A CN105822452B CN 105822452 B CN105822452 B CN 105822452B CN 201610340060 A CN201610340060 A CN 201610340060A CN 105822452 B CN105822452 B CN 105822452B
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- Prior art keywords
- valve mechanism
- cover shell
- cylinder head
- hole
- mechanism cover
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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
-
- 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
- F02F7/0021—Construction
-
- 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
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
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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 Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses, including：Valve mechanism cover shell, cylinder head the cover, gasket seal, first to fourth bolt, cylinder head, electric-controlled fuel injector, harness and sealing element；First bolt pre-fixes valve mechanism cover shell in cylinder head；Harness and sealing element are filled in the first installation through-hole of valve mechanism cover shell inclined-plane convex platform；The first fixing screwed hole that second bolt passes through valve mechanism cover shell inclined-plane convex platform, harness and sealing element are fixed on valve mechanism cover shell, harness and sealing element are connect with electric-controlled fuel injector, and cylinder head the cover and gasket seal are placed on the top surface of valve mechanism cover shell；Cylinder head the cover, gasket seal are fixed on valve mechanism cover shell by third bolt by the second fixing screwed hole on the thin round platform of ear on cylinder head cover shell；Cylinder head the cover, gasket seal, valve mechanism cover shell are fixed in cylinder head by the 4th bolt by third installation through-hole on the long round platform on valve mechanism cover shell.
Description
Technical field
The invention belongs to gas engine part technical fields, are related to a kind of split type cylinder that cooperation electric-controlled fuel injector uses
Housing composite structure.
Background technology
Continuous improvement with country to engine emission grade, to ensure that engine meets emission request, tradition machinery
Formula fuel injector needs to be changed to electric-controlled fuel injector.Since certain engines are by design limitation, electric-controlled fuel injector inside valve mechanism cover,
This just safeguards to electric-controlled fuel injector and harness dismounting and makes troubles.Therefore, development is a kind of facilitates electric-controlled fuel injector and harness to dismount
It safeguards, the Split type cylinder cover hood composite structure that service-strong electric-controlled fuel injector uses, is completely necessary.
Invention content
The technical problem to be solved by the present invention is to：A kind of Split type cylinder cover hood group that cooperation electric-controlled fuel injector uses is provided
Structure is closed, electric-controlled fuel injector and harness can be facilitated to dismount and safeguarded, it is compact-sized, using reliable.In order to achieve the above objectives, of the invention
The technical solution adopted is that：The Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses, including：Cylinder head cover housing
Body, cylinder head the cover, gasket seal, the first bolt, cylinder head, electric-controlled fuel injector, harness and sealing element, the second bolt, third
Bolt, the 4th bolt；First bolt is pre- by valve mechanism cover shell by the second installation through-hole on the short round platform of valve mechanism cover shell
Fixed in cylinder head, harness and sealing element are filled in the first installation through-hole of valve mechanism cover shell inclined-plane convex platform, the second spiral shell
Harness and sealing element are fixed on valve mechanism cover shell by bolt by the first fixing screwed hole of valve mechanism cover shell inclined-plane convex platform
On, harness and sealing element are connect with electric-controlled fuel injector, and cylinder head the cover and gasket seal are placed in the top of valve mechanism cover shell
On face；Third bolt is by the second fixing screwed hole on cylinder head cover shell on the thin round platform of ear, by cylinder head the cover, gasket
Piece is fixed on valve mechanism cover shell；4th bolt, will by the third installation through-hole on the long round platform on valve mechanism cover shell
Cylinder head the cover, gasket seal, valve mechanism cover shell are fixed in cylinder head.
Valve mechanism cover shell side outer wall face is inclined-plane, boss is provided on the inclined-plane, on the boss
It is provided with the first installation through-hole and the first fixing screwed hole, the first installation through-hole quantity is one, the first fixed thread hole number
It is one.
There are two the thin round platforms of ear for the setting of valve mechanism cover shell upper end, and are respectively machined with second on the thin round platform of the ear
Fixing screwed hole, the second fixed thread hole number are two.
There are one short round platforms for the setting of valve mechanism cover shell lower end, highly less than the height of the valve mechanism cover shell, and
The second installation through-hole is machined on the short round platform, the second installation through-hole quantity is one.
There are two long round platforms for setting on valve mechanism cover shell, highly highly consistent with valve mechanism cover shell, and described
Third installation through-hole is respectively machined on long round platform, third installation through-hole quantity is two.
Cylinder head the cover is slab construction, and the cylinder head the cover is machined with the 4th installation through-hole, the 4th installation through-hole number
Amount is four.
The present invention can reach following good effect after using above-mentioned technical proposal：Split type cylinder head using the above structure
Cover composite structure, during to engine production of the electric-controlled fuel injector inside valve mechanism cover or use, electric-controlled fuel injector and line
Beam is installed and adjustment need not remove entire valve mechanism cover, and only cylinder head the cover is removed the peace that can be realized to harness
Dress and adjustment.Equally, the inspection of line is such as needed in user actually uses or replaces harness, it can as long as removing cylinder head the cover
Easily to carry out the inspection of line or harness more changes jobs, and it is also prevented from cylinder upper part of the cover outflow of lubrication oil, protected
The cleaning of external engine is held.Engine of the electric-controlled fuel injector inside valve mechanism cover is combined using the Split type cylinder cover hood
After structure, not only reduce operator uses and repairs labor intensity, and saves the time.
Description of the drawings
Fig. 1 is the front-end view for the Split type cylinder cover hood composite structure that present invention cooperation electric-controlled fuel injector uses；
Fig. 2 is the rear end schematic diagram for the Split type cylinder cover hood composite structure that present invention cooperation electric-controlled fuel injector uses；
Before the valve mechanism cover shell for the Split type cylinder cover hood composite structure that Fig. 3 uses for present invention cooperation electric-controlled fuel injector
Hold schematic diagram；
After the valve mechanism cover shell for the Split type cylinder cover hood composite structure that Fig. 4 uses for present invention cooperation electric-controlled fuel injector
Hold schematic diagram；
Fig. 5 is the cylinder head the cover signal for the Split type cylinder cover hood composite structure that present invention cooperation electric-controlled fuel injector uses
Figure；
Fig. 6 is the use state section view knot for the Split type cylinder cover hood composite structure that present invention cooperation electric-controlled fuel injector uses
Structure schematic diagram.
Reference numeral：1- valve mechanism cover shells, the inclined-planes 1.1-, 1.2- boss, the first installation through-holes of 1.3-, 1.4- first are solid
Determine threaded hole, the top surfaces 1.5-, the thin round platform of 1.6- ear, the second fixing screwed holes of 1.7-, the bottom surfaces 1.8-, the short round platforms of 1.9-, 1.10-
Second installation through-hole, 1.11- long round platforms, 1.12- third installation through-holes, 2- cylinder head the covers, the 4th installation through-holes of 2.1-, 3- are close
Gasket, the first bolts of 4-, 5- cylinder head, 6- electric-controlled fuel injectors, 7- harness and sealing element, the second bolts of 8-, 9- third bolts,
The 4th bolts of 10-.
Specific implementation mode
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, it is to be understood that the guarantor of the present invention
Shield range is simultaneously not only limited by the specific embodiment.
As shown in Figure 1, Figure 2, Figure 6 shows, the present invention includes：Valve mechanism cover shell 1, cylinder head the cover 2, gasket seal 3, first
Bolt 4, cylinder head 5, electric-controlled fuel injector 6, harness and sealing element 7, the second bolt 8, third bolt 9, the 4th bolt 10.
As shown in Figure 3, Figure 4, there is inclined-plane 1.1 on valve mechanism cover shell 1, have boss 1.2 on inclined-plane 1.1, have on boss 1.2
First installation through-hole 1.3 and the first fixing screwed hole 1.4；There are top surface 1.5 and bottom surface 1.8, top surface 1.5 on valve mechanism cover shell 1
It is parallel with bottom surface 1.8；There is the thin round platform 1.6 of ear on top surface 1.5, has the second fixing screwed hole 1.7 on the thin round platform of ear 1.6；It is short
The top surface of round platform 1.9 is less than top surface 1.5, and the bottom surface of short round platform 1.9 is overlapped with bottom surface 1.8, has the second installation logical on short round platform 1.9
Hole 1.10；The top surface of long round platform 1.11 is overlapped with top surface 1.5, and the bottom surface of the long round platform 1.11 is overlapped with bottom surface 1.5, long round platform
There is third installation through-hole 1.12 on 1.11.
As shown in figure 5, cylinder head the cover 2 is slab construction, there is the 4th installation through-hole 2.1 in cylinder head the cover 2.
As shown in figs 1 to 6, valve mechanism cover shell 1 is put by bottom surface 1.8 in cylinder head 5 in advance, and the first bolt 4 passes through
Two installation through-holes 1.10 pre-fix valve mechanism cover shell 1 in cylinder head 5.Harness and sealing element 7 fill in the first installation through-hole
In 1.3, harness and sealing element 7 are fixed on valve mechanism cover shell 1 by the second bolt 8 by the first fixing screwed hole 1.4.Harness
And the harness on sealing element 7 is connect with electric-controlled fuel injector 6.Cylinder head the cover 2 and gasket seal 3 are put into valve mechanism cover shell 1
On top surface 1.5, third bolt 9 is by the 4th installation through-hole 2.1, the second fixing screwed hole 1.7 by cylinder head the cover 2, gasket
Piece 3 is fixed on cylinder head cover shell 1.4th bolt 10 is by the 4th installation through-hole 2.1, third mounting hole 1.12 by valve mechanism cover
Lid 2, gasket seal 3, cylinder head cover shell 1 are finally fastened in cylinder head 5.
The configuration of the present invention is simple is reasonable, facilitates electric-controlled fuel injector and harness to dismount and safeguards, using reliable, facilitates installation.
The case where being not limited to described in the present embodiment in practical application, all do not depart from the skill of essentiality content of the present invention
Art scheme and improvement should all be fallen into scope of the presently claimed invention.
Claims (1)
1. the Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses, including：Valve mechanism cover shell（1）, cylinder head
The cover（2）, gasket seal（3）, the first bolt（4）, cylinder head（5）, electric-controlled fuel injector（6）, harness and sealing element（7）, second
Bolt（8）, third bolt（9）, the 4th bolt（10）；It is characterized in that：First bolt（4）Pass through valve mechanism cover shell（1）It is short
Round platform（1.9）On the second installation through-hole（1.10）By valve mechanism cover shell（1）Pre-fix cylinder head（5）On, harness and close
Sealing（7）, fill in valve mechanism cover shell（1）Inclined-plane（1.1）Convex platform（1.2）The first installation through-hole（1.3）In, the second bolt
（8）Pass through valve mechanism cover shell（1）Inclined-plane（1.1）Convex platform（1.2）The first fixing screwed hole（1.4）, by harness and sealing
Part（7）It is fixed on valve mechanism cover shell（1）On, harness and sealing element（7）With with electric-controlled fuel injector（6）Connection, cylinder head the cover
（2）And gasket seal（3）It is placed in valve mechanism cover shell（1）Top surface（1.5）On；Third bolt（9）Pass through cylinder head cover shell
（1）The upper thin round platform of ear（1.6）On the second fixing screwed hole（1.7）, by cylinder head the cover（2）, gasket seal（3）It is fixed to
Valve mechanism cover shell（1）On；4th bolt（10）Pass through valve mechanism cover shell（1）On long round platform（1.11）On third installation
Through-hole（1.12）, by cylinder head the cover（2）, gasket seal（3）, valve mechanism cover shell（1）Fixed to cylinder head（5）On；Cylinder
Housing shell（1）Side outer wall face is inclined-plane（1.1）, on inclined-plane（1.1）On be provided with boss（1.2）, in boss（1.2）
On be provided with the first installation through-hole（1.3）With the first fixing screwed hole（1.4）, the first installation through-hole（1.3）Quantity is one, the
One fixing screwed hole（1.4）Quantity is one；Valve mechanism cover shell（1）There are two the thin round platforms of ear for upper end setting（1.6）, and
The thin round platform of ear（1.6）On be respectively machined with the second fixing screwed hole（1.7）, the second fixing screwed hole（1.7）Quantity is two；Gas
Cylinder head cover shell（1）There are one short round platforms for lower end setting（1.9）, highly it is less than valve mechanism cover shell（1）Height, and in short circle
Platform（1.9）On be machined with the second installation through-hole（1.10）, the second installation through-hole（1.10）Quantity is one；Valve mechanism cover shell
（1）There are two long round platforms for upper setting（1.11）, highly with valve mechanism cover shell（1）It is highly consistent, and in long round platform（1.11）
On be respectively machined with third installation through-hole（1.12）, third installation through-hole（1.12）Quantity is two；Cylinder head the cover（2）For tablet
Structure, cylinder head the cover（2）It is machined with the 4th installation through-hole（2.1）, the 4th installation through-hole（2.1）Quantity is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340060.7A CN105822452B (en) | 2016-05-23 | 2016-05-23 | The Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340060.7A CN105822452B (en) | 2016-05-23 | 2016-05-23 | The Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822452A CN105822452A (en) | 2016-08-03 |
| CN105822452B true CN105822452B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610340060.7A Active CN105822452B (en) | 2016-05-23 | 2016-05-23 | The Split type cylinder cover hood composite structure that cooperation electric-controlled fuel injector uses |
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| Country | Link |
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| CN (1) | CN105822452B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184940A (en) * | 2018-10-24 | 2019-01-11 | 第拖拉机股份有限公司 | A kind of engine fission valve mechanism cover |
| CN113013682B (en) * | 2021-02-26 | 2022-05-17 | 宁波央腾汽车电子有限公司 | Integrated anti-electromagnetic signal interference and auxiliary connector sealing structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050415Y (en) * | 2007-06-22 | 2008-04-23 | 中国第一汽车集团公司无锡柴油机厂 | Electrically controlled common rail diesel engine double-layer air cylinder lid enclosure |
| CN201133318Y (en) * | 2007-12-29 | 2008-10-15 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover fuel injector wire harness assembly leadout structure |
| CN201339527Y (en) * | 2009-01-12 | 2009-11-04 | 广西玉柴机器股份有限公司 | Fuel injector wire harness leak-proof structure |
| CN205779295U (en) * | 2016-05-23 | 2016-12-07 | 第一拖拉机股份有限公司 | Coordinate the Split type cylinder cover hood combinative structure that electric-controlled fuel injector uses |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4914852B2 (en) * | 2008-02-25 | 2012-04-11 | 株式会社クボタ | Electronically controlled engine |
-
2016
- 2016-05-23 CN CN201610340060.7A patent/CN105822452B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050415Y (en) * | 2007-06-22 | 2008-04-23 | 中国第一汽车集团公司无锡柴油机厂 | Electrically controlled common rail diesel engine double-layer air cylinder lid enclosure |
| CN201133318Y (en) * | 2007-12-29 | 2008-10-15 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover fuel injector wire harness assembly leadout structure |
| CN201339527Y (en) * | 2009-01-12 | 2009-11-04 | 广西玉柴机器股份有限公司 | Fuel injector wire harness leak-proof structure |
| CN205779295U (en) * | 2016-05-23 | 2016-12-07 | 第一拖拉机股份有限公司 | Coordinate the Split type cylinder cover hood combinative structure that electric-controlled fuel injector uses |
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| Publication number | Publication date |
|---|---|
| CN105822452A (en) | 2016-08-03 |
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