CN205422964U - Double -cylinder engine cylinder head - Google Patents
Double -cylinder engine cylinder head Download PDFInfo
- Publication number
- CN205422964U CN205422964U CN201620103882.9U CN201620103882U CN205422964U CN 205422964 U CN205422964 U CN 205422964U CN 201620103882 U CN201620103882 U CN 201620103882U CN 205422964 U CN205422964 U CN 205422964U
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- CN
- China
- Prior art keywords
- cylinder head
- valve seat
- engine cylinder
- block engine
- die cavity
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Lubrication Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a double -cylinder engine cylinder head, is including setting up the chain die cavity in the cylinder end, and the both sides of chain die cavity are equipped with the camshaft mount pad respectively, correspond cam department between chain die cavity and two the camshaft mount pads and all are equipped with the oil groove, and two oil grooves communicate with two oil circuits of setting at the cylinder end respectively. The utility model discloses can guarantee that the cam that is located the camshaft both ends can both obtain the lubrication, has reduced the wearing and tearing of cam. Two oil circuits through the cylinder end setting can make two spare parts in the cylinder end all obtain lubricatedly and the cooling simultaneously, guarantee that two cylinder end temperature are unanimous, are favorable to improving the work efficiency and the life of engine.
Description
Technical field
This utility model relates to a kind of bi-block engine cylinder head.
Background technology
The main function of engine water-cooling cylinder head is closed cylinder top, and forms combustor with top land and cylinder wall.Cylinder head is provided with valve retainer, valve guide hole, intake and exhaust channel and spark plug bore, water channel etc..Gasoline engine combustion chamber is made up of recess space corresponding on top land and cylinder head, in combustor, the layout of spark plug is bigger to the work influence of electromotor, so combustor there to be 2 basic demands: one, structure is the compactest, film-cooled heat is little, to reduce thermal loss and to shorten flame travel；Two, gaseous mixture has certain eddy motion, to improve mixture combustion speed when compression ends, it is ensured that gaseous mixture obtains timely and abundant burning.
Engine cylinder head has twin-tub cylinder head and single cylinder cylinder head, and the typical shape that cylinder head combustion chamber is conventional has wedge shape, basin shape and hemispherical.Hemispherical combustion chamber's structure is more compact compared with wedge shape and bowl combustion chamber, and its area of dissipation is little, may advantageously facilitate the harmful gas burnt completely and reduce in aerofluxus of fuel, favourable to exhaust gas purification.Increasing due to engine displacement in recent years, single-cylinder engine cylinder need to increase diameter could meet requirement, thus causes engine heat load to increase, and reliability reduces, and therefore causes and greatly develops bi-block engine to replace the trend of single-cylinder engine.Existing bi-block engine cylinder head only has an oil circuit so that the cam away from oil circuit one end cannot be lubricated, serious wear.
Utility model content
The purpose of this utility model is the bi-block engine cylinder head providing a kind of greasy property good.
The purpose of this utility model is realized in, a kind of bi-block engine cylinder head, including the chain die cavity being arranged in cylinder head, chain die cavity be respectively provided on two sides with cam shaft installing seat, be equipped with oil groove at corresponding cam between chain die cavity with two cam shaft installing seats, two oil grooves respectively with two oil communication being arranged on cylinder head.The technical program is respectively provided with the both sides fuel feeding that oil groove is cylinder head in the position corresponding with cam, can ensure that the cam being positioned at camshaft two ends can be lubricated, overcome prior art exist an end cam can be lubricated and the cam of the other end can not get lubrication problem, decrease the abrasion of cam.Meanwhile, the cylinder head of the technical program is provided with two oil circuits and respectively the parts in two cylinder heads is lubricated and is cooled down, and the parts in two cylinder heads can be made all to be lubricated and cool down, it is ensured that two head temperature are consistent.
For Stability Analysis of Structures, cam shaft installing seat is equipped with camshaft installing hole and coaxial.
The temperature of temperature and spark plug in order to reduce cylinder head, improve burn rate, cylinder head is provided with two combustor of abnormity, combustor surrounding is furnished with into water die cavity, each combustor is provided with two inlet valves, two exhaust valves and a spark plug, spark-plug hole is positioned at the centre of the line of centres of inlet valve seat ring, exhaust valve seat insert correspondence end face, around spark plug and combustor is routed over water channel, be provided with osculum at spark-plug hole and between inlet valve seat ring, exhaust valve seat insert, osculum be connected externally to.
Being flowed out outside cylinder head by rainwater at spark plug in rainwater sky for convenience, it is to avoid cause leaky because of rainwater, cylinder head is provided with inlet opening and apopore, apopore be connected externally to.
Chain-type intracavity is disposed with clamping system bolt mounting holes, to facilitate installation chain tension plate.
For compact conformation, cylinder head is provided with bolt hole and is connected by cylinder head cylinder body connecting bolt with cylinder body, and the bolt of tightening cam axle mounting seat and cylinder head cylinder body connecting bolt share bolt hole.
The oil duct communicated with bolt hole it is provided with, in order to miscellaneous part is lubricated in oil groove.
Connection between support and cylinder head, cam shaft installing seat for convenience, above-mentioned cam shaft installing seat is provided with bolt through-hole.
In order to prevent camshaft from moving axially, cam shaft installing seat is provided with card pilot trench, and card pilot trench is positioned at the side of oil groove.
Combustor is rounding off with inlet valve seat ring, exhaust valve seat insert seam, is rounding off, is rounding off between exhaust valve seat insert and the wall of exhaust passage between inlet valve seat ring and the wall of inlet channel.
This utility model has the advantages that
1, this utility model both sides of chain die cavity in cylinder head arrange cam shaft installing seat, position corresponding with cam between chain die cavity and two cam shaft installing seats is respectively equipped with oil groove, can ensure that the cam being positioned at camshaft two ends can be lubricated, overcome prior art exist an end cam can be lubricated and the cam of the other end can not get lubrication problem, decrease the abrasion of cam；Simultaneously, cylinder head is provided with two oil circuits and respectively the parts in two cylinder heads is lubricated and is cooled down, the parts in two cylinder heads can be made all to be lubricated and cool down, decrease abrasion and the abnormal sound of parts, and can ensure that two head temperature are consistent, be conducive to improving work efficiency and the service life of electromotor.
2, this utility model bi-block engine cylinder head is provided with eight valves and two spark plugs altogether, it is provided above water channel with combustor around spark plug, can effectively reduce the temperature of electromotor, promote the charging efficiency of electromotor, accelerate flame to propagate, enhance the cooling effect of end gaseous mixture, improve burn rate.
3, this utility model combustor is engine with special combustion chamber, and the compression ratio of electromotor is higher, and flame kernel is propagated rapidly to surrounding in cylinder, the propagation distance making ignition flame reduces, and shortens the duration of ignition, and also can suitably postpone the duration of ignition, the flammability making gaseous mixture is improved, firing duration shortens, and burning is more abundant, reduces fuel oil consumption, decrease intake and exhaust loss, improve the thermal efficiency of complete machine, discharge is substantially reduced, and improves performance during high engine speeds.
Accompanying drawing explanation
Fig. 1 is this utility model bi-block engine cylinder head structure schematic diagram；
Fig. 2 is the rearview of Fig. 1；
Fig. 3 is Fig. 2 side view；
Fig. 4 is Fig. 2 upward view；
Fig. 5 is Fig. 4 A-A sectional view；
Fig. 6 is Fig. 1 H-H sectional view；
In figure, 1. chain die cavity, 2. cam shaft installing seat, 3. bolt hole, 4. combustor, 4-1. inlet valve seat ring, 4-2. exhaust valve seat insert, 4-3 spark-plug hole, 5. oil groove, 6. inlet opening, 7. apopore, 8. card pilot trench, 9. oil duct, 10. osculum.
Detailed description of the invention
Embodiment, a kind of bi-block engine cylinder head, see accompanying drawing, cylinder head is provided with two combustor 4 of abnormity, combustor 4 surrounding is furnished with into water die cavity, each combustor is provided with two inlet valve seat ring 4-1, two exhaust valve seat insert 4-2 and a spark-plug hole 4-3, and spark-plug hole 4-3 is positioned at the centre of the line of centres of inlet valve seat ring 4-1, exhaust valve seat insert 4-2 correspondence end face, around spark-plug hole 4-3 and combustor 4 is routed over water channel.Inlet valve seat ring 4-1 and two exhaust valve seat insert 4-2 is positioned at around spark-plug hole 4-3, and combustor 4 surrounding is water inlet die cavity.Be provided with osculum 10 at spark-plug hole 4-3 and between inlet valve seat ring 4-1, exhaust valve seat insert 4-2, osculum 10 be connected externally to.Cylinder head is provided with inlet opening 6 and apopore 7, apopore 7 be connected externally to.
Be provided with chain die cavity 1 in cylinder head, chain die cavity 1 be respectively provided on two sides with cam shaft installing seat 2, be equipped with oil groove 5 between chain die cavity 1 with two cam shaft installing seats 2 at corresponding cam, two oil grooves 5 respectively with two oil communication being arranged on cylinder head.Camshaft installing hole and coaxial it is equipped with on cam shaft installing seat 2.
Clamping system bolt mounting holes it is disposed with at chain die cavity 1.
Cylinder head is provided with bolt hole 3 and is connected by AB bolt with cylinder body, and the bolt of tightening cam axle mounting seat 2 and AB bolt share bolt hole 3.The oil duct 9 communicated with bolt hole 3 it is provided with in oil groove 5.
Cam shaft installing seat 2 is provided with bolt through-hole, to facilitate the connection between support and cylinder head, cam shaft installing seat 2.
Cam shaft installing seat 2 is provided with card pilot trench 8, and card pilot trench 8 is positioned at the side of oil groove 5.
This utility model bi-block engine cylinder head can effectively reduce the temperature of electromotor, promotes the charging efficiency of electromotor, accelerates flame and propagates, enhances the cooling effect of end gaseous mixture, improve burn rate.
Claims (10)
1. a bi-block engine cylinder head, it is characterized in that: include the chain die cavity (1) being arranged in cylinder head, described chain die cavity (1) be respectively provided on two sides with cam shaft installing seat (2), be equipped with oil groove (5) between chain die cavity (1) with two cam shaft installing seats (2) at corresponding cam, two oil grooves (5) respectively with two oil communication being arranged on cylinder head.
2. bi-block engine cylinder head as claimed in claim 1, it is characterised in that: it is equipped with camshaft installing hole and coaxial on described cam shaft installing seat (2).
3. bi-block engine cylinder head as claimed in claim 1, it is characterized in that: include two combustor (4) of abnormity, described combustor (4) surrounding is furnished with into water die cavity, each combustor (4) is provided with two inlet valve seat rings (4-1), two exhaust valve seat inserts (4-2) and a spark-plug hole (4-3), described spark-plug hole (4-3) is positioned at inlet valve seat ring (4-1), the centre of the line of centres of the corresponding end face of exhaust valve seat insert (4-2), described spark-plug hole (4-3) is around and combustor (4) is routed over water channel, spark-plug hole (4-3) place and inlet valve seat ring (4-1), osculum (10) it is provided with between exhaust valve seat insert (4-2), osculum (10) be connected externally to.
4. bi-block engine cylinder head as claimed in claim 3, it is characterised in that: cylinder head is provided with inlet opening (6) and apopore (7), described apopore (7) be connected externally to.
5. bi-block engine cylinder head as claimed in claim 1, it is characterised in that: described chain die cavity (1) place is disposed with clamping system bolt mounting holes.
6. the bi-block engine cylinder head as described in any one of claim 1-5, it is characterized in that: cylinder head is provided with bolt hole (3) and is connected by cylinder head cylinder body connecting bolt with cylinder body, the bolt of tightening cam axle mounting seat (2) and described cylinder head cylinder body connecting bolt share bolt hole (3).
7. bi-block engine cylinder head as claimed in claim 6, it is characterised in that: it is provided with the oil duct (9) communicated with bolt hole (3) in described oil groove (5).
8. the bi-block engine cylinder head as described in any one of claim 1-5, it is characterised in that: described cam shaft installing seat (2) is provided with bolt through-hole.
9. bi-block engine cylinder head as claimed in claim 8, it is characterised in that: described cam shaft installing seat (2) is provided with card pilot trench (8), and described card pilot trench (8) is positioned at the side of oil groove (5).
10. the bi-block engine cylinder head as described in claim 3 or 4, it is characterized in that: described combustor (4) is rounding off with inlet valve seat ring (4-1), exhaust valve seat insert (4-2) seam, it is rounding off between described inlet valve seat ring (4-1) and the wall of inlet channel, is rounding off between exhaust valve seat insert (4-2) and the wall of exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103882.9U CN205422964U (en) | 2016-02-02 | 2016-02-02 | Double -cylinder engine cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103882.9U CN205422964U (en) | 2016-02-02 | 2016-02-02 | Double -cylinder engine cylinder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422964U true CN205422964U (en) | 2016-08-03 |
Family
ID=56540398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620103882.9U Active CN205422964U (en) | 2016-02-02 | 2016-02-02 | Double -cylinder engine cylinder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422964U (en) |
-
2016
- 2016-02-02 CN CN201620103882.9U patent/CN205422964U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |