CN203441616U - Integral air cylinder cover - Google Patents
Integral air cylinder cover Download PDFInfo
- Publication number
- CN203441616U CN203441616U CN201320458059.6U CN201320458059U CN203441616U CN 203441616 U CN203441616 U CN 203441616U CN 201320458059 U CN201320458059 U CN 201320458059U CN 203441616 U CN203441616 U CN 203441616U
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- China
- Prior art keywords
- cylinder head
- cylinder
- oil
- cylinder cover
- cover
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- Expired - Lifetime
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an integral air cylinder cover. The air cylinder cover is in the integral structure of multiple cylinders with one cover. Each air cylinder is provided with four air valves, and comprises an independent water access and return channel part and an independent oil access and return channel part. The left side surface of the air cylinder cover comprises an air inlet branch pipe cast on the body of the air cylinder cover, the rear end surface of the air cylinder cover is provided with a gear chamber space, and the top surface of the air cylinder cover is provided with an installation space for an overhead cam shaft. The integral air cylinder cover has the beneficial effects that the rigidity and the intensity of the cylinder cover are greatly improved, so that the load generated under high exploration pressure can be borne, and therefore the operation reliability of the air cylinder cover can be greatly improved.
Description
Technical field
The utility model relates to technical field of internal combustion engines, especially relates to a kind of integrated cylinder cover.
Background technique
The at present multi-cylinder engine designs that adopt cylinders one lid, manufacture easyly more, but intensity is low, are not enough to meet the load that the detonation pressure pressure that day by day improves produces; For the cylinder cap of a cylinder one lid design, after fresh air charge inter cooling, need to be assigned in each intake duct through intake manifold simultaneously, increased inlet loss; Motor adopts the structure of camshaft underlying conventionally, and close to bent axle, whole gear transmission is simple, but must carry out transferring power with valve tappet, and reciprocating like this part is more, and quality is large, inertia is large, is unfavorable for high engine speeds motion; Elongated tappet has certain elasticity, easily causes vibration, accelerates parts depreciation, even makes valve out of hand; Cooling system and the lubrication system of the cylinder head of general motor are all associated with cylinder block, between cylinder cap and cylinder body, conventionally have water channel and oil duct, have increased the requirement to cylinder pad sealability, to prevent incident water and oily leakage phenomenon in use.
Summary of the invention:
The purpose of this utility model is to provide a kind of integrated cylinder cover, this integrated cylinder cover has solved the disadvantage of cylinder one lid in conventional art, thereby the rigidity of cylinder head and the reliability of distribution device work are promoted, the technological scheme adopting is: a kind of integrated cylinder cover, it is characterized in that: the monolithic construction that described cylinder head is cover of multicylinder one, every cylinder four valves, comprise and independently enter backwater road part and oil inlet and oil return road part; The left surface of cylinder head comprises the intake manifold of casting on body; The ear end face of cylinder head leaves gear chamber space; The end face of cylinder head leaves the installing space of overhead camshaft.
Technical characteristics of the present utility model also has: described four valves comprise two intake valves and two exhaust valves, described intake valve is positioned at the front position place of the cylinder head part that each cylinder is corresponding, and described exhaust valve is positioned at the back-end location place of the cylinder head part that each cylinder is corresponding.
Technical characteristics of the present utility model also has: the end face of described cylinder head also comprises the bearing support that described overhead camshaft is installed, described bearing support comprises bearing support between cylinder, is positioned at cylinder head forefront and aftermost two bearing supports, and described cylinder head end face flushes with camshaft center.
Technical characteristics of the present utility model also has: described in enter backwater road part and comprise cooling liquid entrance and the cooling liquid outlet that is positioned at described cylinder head front-end face, bottom surface is useful on the shutoff in shutoff water hole.
Technical characteristics of the present utility model also has: described oil inlet and oil return road part comprises lubricating oil path part, and described lubricating oil path partly comprises the lubricant oil main oil gallery that is positioned at lubricating oil inlet, the lubricating oil outlet of cylinder head right flank and runs through cylinder head front and back.
Technical characteristics of the present utility model also has: described oil inlet and oil return road part also comprises fuel oil road part, described fuel oil road part comprises that the oil-feed that is positioned at intake manifold top takes over, runs through the return flow oil road before and after whole cylinder head and be positioned at the return flow oil mouth of intake manifold top, described intake manifold casting is in cylinder head, intake manifold one end is positioned at the front end of cylinder head, the other end is communicated with the intake duct of motor, and described intake manifold belongs to the intake and exhaust part of described cylinder head.
Technical characteristics of the present utility model also has: described intake and exhaust part also comprises and is positioned at the air outlet flue outlet of cylinder head right flank and for the fixing bolt hole of gas exhaust manifold.
Technical characteristics of the present utility model also has: described intake and exhaust part also comprises inlet valve seat ring hole, exhaust valve seat insert hole.
Technical characteristics of the present utility model also has: described cylinder head also comprises cylinder bolt hole, mounting hole of oil sprayer and the guide hole that is non-equidistant arrangement, describedly for the guide hole of valve guide bushing is installed, is positioned at mounting hole of oil sprayer around.
Technical characteristics of the present utility model also has: described cylinder head is six cylinder one lids.
The beneficial effects of the utility model are: this integral cylinder head has improved the Rigidity and strength of cylinder cap greatly, can bear the load producing under high pressure of explosion, thereby cylinder head functional reliability is improved greatly; The design of overhead camshaft has improved distribution device rigidity, compare with tappet rod type motor, it is many that the reciprocating member needing in overhead camshaft design will lack, greatly simplified the structure of distribution device, simultaneously also improve transmission efficiency, reduced the operating noise of motor, improved the functional reliability of distribution device; On cylinder cap, have and independently enter backwater road and oil inlet and oil return road, make on the junction plane with cylinder body, without any having oilhole and water hole, greatly to have improved the reliability of cylinder pad sealing; Integrated intake manifold, has reduced inlet loss, has reduced sealing surface, has further promoted the strengthening level of motor.
Accompanying drawing explanation
Accompanying drawing 1 is this cylinder head bottom surface structure schematic diagram, accompanying drawing 2 is this cylinder head top surface structure schematic diagram, accompanying drawing 3 is this cylinder head left surface structural representations, accompanying drawing 4 is this cylinder head left surface structural representations, accompanying drawing 5 is this cylinder head front-end face structural representations, wherein, 1 intake valve mount inlet, 2 exhaust valve mount inlets, 3 bearing supports, 4 cooling liquid entrances, 5 cooling liquid outlets, 6 main oil gallerys, 7 return flow oil roads, 8 intake manifold entrances, 9 oil-feeds are taken over, 10 air outlet flue outlets, 11 gas exhaust manifold construction bolt holes, 12 rear end gear chamber cavitys, 13 mounting hole of oil sprayer, 14 guide holes, 15 inlet valve seat ring holes, 16 exhaust valve seat insert holes, 17 cylinder bolt holes, 18 pitman arm shaft mounting holes, 19 EVB pressing plate mounting holes, 20 oil sprayer wire harness holes, 21 CMPS Camshaft Position Sensor mounting holes, 22 return flow oil mouths, 23 lubricating oil inlets, 24 lubricating oil outlets.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.The utility model discloses a kind of integrated cylinder cover, correspond to the present embodiment, disclosed in the present embodiment is a kind of integrated cylinder cover of six cylinder one lids, every cylinder four valves, two intake valves and two exhaust valves.Two intake valve mount inlets of each cylinder are positioned at the front end of the cylinder head part that each cylinder is corresponding, and two exhaust valve mount inlets 2 are positioned at the rear end of the cylinder head part that each cylinder is corresponding.
This cylinder head has adopted overhead camshaft design, and the end face of cylinder head leaves seven bearing supports 3 that camshaft is installed; Independently enter backwater road and oil inlet and oil return road, bottom surface is with stopping up all water channels of shutoff and oilhole, between cylinder body and cylinder cap, there is no the water hole and the oilhole that connect, on front-end face, have respectively cooling liquid entrance 4 and cooling liquid outlet 5, two oil ducts that run through whole cylinder cap front and back are respectively main oil gallery 6 and return flow oil road 7.Left side is cast with intake manifold, and intake manifold entrance 8 is at front-end face, and the top of intake manifold is installed oil-feed and taken over 9.Air outlet flue is positioned at right side, has air outlet flue outlet 10 on right flank, and for fixing 18 gas exhaust manifold construction bolt holes 11 of gas exhaust manifold, the lubricating oil inlet 23 of the close eurypyloue lubricating oil outlet 24 of front-end face and aperture.The rear end gear chamber cavity 12 that the promising timing gear in rear end stay.There is mounting hole of oil sprayer 13 at Mei Gang center, at mounting hole of oil sprayer 13, has four for the guide hole 14 of valve guide bushing is installed around.There are respectively inlet valve seat ring hole 15 and exhaust valve seat insert hole 16 in bottom surface.Around cylinder cap, have 26 cylinder bolt holes 17 to be non-equidistant arrangement, corresponding to 6 bolts of every cylinder, it comprise that two adjacent cylinder shares 2 bolts.End face has pitman arm shaft mounting hole 18 and EVB pressing plate mounting hole 19.Left surface also has oil sprayer wire harness hole 20, CMPS Camshaft Position Sensor mounting hole 21, return flow oil mouth 22.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belong to protection domain of the present utility model.
Here there is no the impact of wearing and tearing.
Claims (10)
1. an integrated cylinder cover, is characterized in that: the monolithic construction that described cylinder head is cover of multicylinder one, and every cylinder four valves, comprise and independently enter backwater road part and oil inlet and oil return road part; The left surface of cylinder head comprises the intake manifold of casting on body; The ear end face of cylinder head leaves gear chamber space; The end face of cylinder head leaves the installing space of overhead camshaft.
2. according to integrated cylinder cover claimed in claim 1, it is characterized in that: described four valves comprise two intake valves and two exhaust valves, described intake valve is positioned at the front position place of the cylinder head part that each cylinder is corresponding, and described exhaust valve is positioned at the back-end location place of the cylinder head part that each cylinder is corresponding.
3. according to integrated cylinder cover claimed in claim 1, it is characterized in that: the end face of described cylinder head also comprises the bearing support that described overhead camshaft is installed, described bearing support comprises bearing support between cylinder, is positioned at cylinder head forefront and aftermost two bearing supports, and described cylinder head end face flushes with camshaft center.
4. according to integrated cylinder cover claimed in claim 1, it is characterized in that: described in enter backwater road part and comprise cooling liquid entrance and the cooling liquid outlet that is positioned at described cylinder head front-end face, bottom surface is useful on the shutoff in shutoff water hole.
5. according to integrated cylinder cover claimed in claim 1, it is characterized in that: described oil inlet and oil return road part comprises lubricating oil path part, described lubricating oil path partly comprises the lubricant oil main oil gallery that is positioned at lubricating oil inlet, the lubricating oil outlet of cylinder head right flank and runs through cylinder head front and back.
6. according to integrated cylinder cover claimed in claim 5, it is characterized in that: described oil inlet and oil return road part also comprises fuel oil road part, described fuel oil road part comprises that the oil-feed that is positioned at intake manifold top takes over, runs through the return flow oil road before and after whole cylinder head and be positioned at the return flow oil mouth of intake manifold top, described intake manifold casting is in cylinder head, intake manifold one end is positioned at the front end of cylinder head, the other end is communicated with the intake duct of motor, and described intake manifold belongs to the intake and exhaust part of described cylinder head.
7. according to integrated cylinder cover claimed in claim 6, it is characterized in that: described intake and exhaust part also comprises and is positioned at the air outlet flue outlet of cylinder head right flank and for the fixing bolt hole of gas exhaust manifold.
8. according to integrated cylinder cover claimed in claim 6, it is characterized in that: described intake and exhaust part also comprises inlet valve seat ring hole, exhaust valve seat insert hole.
9. according to integrated cylinder cover claimed in claim 6, it is characterized in that: described cylinder head also comprises cylinder bolt hole, mounting hole of oil sprayer and the guide hole that is non-equidistant arrangement, describedly for the guide hole of valve guide bushing is installed, be positioned at mounting hole of oil sprayer around.
10. according to integrated cylinder cover claimed in claim 1, it is characterized in that: described cylinder head is six cylinder one lids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458059.6U CN203441616U (en) | 2013-07-30 | 2013-07-30 | Integral air cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458059.6U CN203441616U (en) | 2013-07-30 | 2013-07-30 | Integral air cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441616U true CN203441616U (en) | 2014-02-19 |
Family
ID=50092675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320458059.6U Expired - Lifetime CN203441616U (en) | 2013-07-30 | 2013-07-30 | Integral air cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996947A (en) * | 2018-10-29 | 2019-07-09 | 株式会社小松制作所 | Cylinder head |
| CN110566360A (en) * | 2019-09-18 | 2019-12-13 | 广西玉柴机器股份有限公司 | Cylinder head with enhanced rigidity |
-
2013
- 2013-07-30 CN CN201320458059.6U patent/CN203441616U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996947A (en) * | 2018-10-29 | 2019-07-09 | 株式会社小松制作所 | Cylinder head |
| CN109996947B (en) * | 2018-10-29 | 2021-01-29 | 株式会社小松制作所 | Cylinder head |
| US10968861B2 (en) | 2018-10-29 | 2021-04-06 | Komatsu Ltd. | Cylinder head |
| CN110566360A (en) * | 2019-09-18 | 2019-12-13 | 广西玉柴机器股份有限公司 | Cylinder head with enhanced rigidity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |