CN208749455U - A kind of cylinder cap of engine - Google Patents
A kind of cylinder cap of engine Download PDFInfo
- Publication number
- CN208749455U CN208749455U CN201821457935.2U CN201821457935U CN208749455U CN 208749455 U CN208749455 U CN 208749455U CN 201821457935 U CN201821457935 U CN 201821457935U CN 208749455 U CN208749455 U CN 208749455U
- Authority
- CN
- China
- Prior art keywords
- lid
- inlet manifold
- cylinder cap
- hole
- engine
- 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.)
- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of cylinder caps of engine, it include the lid of rectangular shape, several oil injector holes are provided on the lid, there are two valve guide holes in the setting of the side of each oil injector hole for the lid, the lid is provided with rocker-arm push-rod hole in the side of valve guide hole, it further include having inlet manifold, the inlet manifold and lid one, the leading flank of lid is arranged in the inlet manifold, the inlet manifold upper end is equipped with air inlet temperature/pressure sensor seat, and attachment support is equipped on the outside of the inlet manifold.The cylinder cap of engine provided by the utility model, lid is integrated with inlet manifold, make to be laid out in the case where ensure that intake uniformity more compact, attachment support on the outside of inlet manifold makes engine charge side not need that additional bracket is arranged, and inlet manifold top integrates and devises air inlet temperature/pressure sensor seat, effectively reduces the bulk layout of engine charge side.
Description
Technical field
The utility model belongs to engine art more particularly to a kind of cylinder cap of three-cylinder engine.
Background technique
With the progress of engine technology, requirement of the regulation to oil consumption, the discharge of engine is higher and higher, and this requires hairs
Motivation is using corresponding discharge and oil consumption control device.Therefore, existing engine follows fuel system with high injection pressure, exhaust gas again
The introducing of the components such as loop system, air inlet shutter, upper position of engine need the components arranged gradually to increase.And user couple
The reliability of medium and small h type engine h, the requirement of property easy to use are more and more stronger, before the engine system structure to become increasingly complex
It puts, simplifies the design of structure, so that layout is become compact, this kind of design becomes more and more important.Pass of the cylinder cap as engine
One of key part designs the compact-sized cylinder cap of one kind to simplify the structure of engine with regard to very necessary.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of cylinder caps of engine.
In order to achieve the above object, the technical solution of the utility model is as follows: a kind of cylinder cap of engine, includes rectangular
The lid of shape, several oil injector holes are provided on the lid, and the lid is arranged in the side of each oil injector hole
There are two valve guide holes, and it further includes having inlet manifold that the lid, which is provided with rocker-arm push-rod hole in the side of valve guide hole,
The leading flank of lid is arranged in the inlet manifold and lid one, the inlet manifold, and the inlet manifold upper end is equipped with
Air inlet temperature/pressure sensor seat is equipped with attachment support on the outside of the inlet manifold.Inlet manifold correspond to engine into
Gas side position, inlet manifold and lid are wholely set the space utilization rate for improving engine interior.Peace is integrated in inlet manifold
Intake air temperature temperature and pressure transmitter seat has been filled, it is simple and convenient when sensor is mounted in inlet manifold, and due to the company of eliminating
The attachment device for connecing inlet manifold and air inlet temperature/pressure sensor further simplifies the structure of engine interior.Attachment branch
Seat make inlet manifold have enough strength support peripheral components, install attachment support after do not need engine charge side in addition
Design bracket.
It is connect preferably, the inlet manifold is equipped with air inlet pipe flange in the side of air inlet temperature/pressure sensor seat
Mouthful, the bottom of the inlet manifold is provided with fabrication hole.
Preferably, being equipped with thermostat base on the lid left side.Thermostat base is for connecting thermostat.
Preferably, the lid is provided with spare water hole in right side.Conventional spare water hole is arranged in thermostat base
On, then pass through pipeline and connect in spare water hole with cylinder cap.Spare water hole is arranged on lid, be omitted the spare water hole of connection and
The pipeline of cylinder cap, further improves space utilization rate.
Preferably, being provided with the cylinder bolt hole of several perforation top and bottom on the lid.
Preferably, ear stud hole is respectively equipped at the left side and right side of the lid, two ear stud holes
It is distributed in the cornerwise both ends in lid top surface.
Preferably, the trailing flank of the lid is provided with exhaust gas circulation hole.Portion circulation is integrated on cylinder cap
System simplifies the structure of engine.
Preferably, the trailing flank of the lid is provided with exhaust outlet and preheating consent.
Preferably, the lid bottom surface is equipped with several exhaust valve bore and inlet valve bore, the exhaust valve bore
It is successively alternately distributed with inlet valve bore and distribution arrangement is parallel with the leading flank of lid.
The utility model has the beneficial effects that the cylinder cap of engine provided by the utility model, by lid and inlet manifold one
Body, makes to be laid out more compact in the case where ensure that intake uniformity, and the attachment support on the outside of inlet manifold makes engine
Air inlet side does not need that additional bracket is arranged, and inlet manifold top integrates and devises air inlet temperature/pressure sensor seat, effectively
Reduce the bulk layout of engine charge side.The cylinder cap of engine provided by the utility model, in the side collection of lid
At thermostat base, spare water hole is arranged on lid, the pipeline for connecting spare water hole and cylinder cap is omitted, further increases
The space utilization rate of engine.The cylinder cap of engine provided by the utility model, is provided with exhaust gas circulation hole on lid,
The Integrated design partial devices of scheme for exhaust gas circulation system, make the compact-sized of entire engine interior on cylinder cap.
Detailed description of the invention
Fig. 1 is the top view of the engine cylinder cover of the utility model；
Fig. 2 is the bottom view of the engine cylinder cover of the utility model；
Fig. 3 is the dorsal view of the engine cylinder cover of the utility model；
Wherein: 1. lids, 2. cylinder bolt holes, 3. oil injector holes, 4. valve guide holes, 5. rocker-arm push-rod holes, 6. lifting lugs
Bolt hole, 7. thermostat bases, 8. inlet manifold, 9. air inlet temperature/pressure sensor seats, 10. air inlet pipe connecting flanges, 11. attachmentes
Support, 12. exhaust gas circulation holes, 13. exhaust outlets, 14. preheating consents, 15. spare water holes, 16. fabrication holes, 17. inlet valve bore,
18. exhaust valve bore.
Specific embodiment
The utility model is described in further detail With reference to embodiment.
It include the lid 1 of rectangular shape, lid as shown in Figure 1, present embodiments providing a kind of cylinder cap of engine
There are three the oil injector holes 3 that diameter is identical and is distributed from left to right for setting on 1.Lid 1 is set in the side of each oil injector hole 3
Two valve guide holes 4 are set, lid 1 is provided with rocker-arm push-rod hole 5 in the front side of each valve guide hole 4.It is provided on lid 1
The cylinder bolt hole 2 of several perforation top and bottom, for cylinder cap is fixed on the engine.Lid is installed on 1 left side
There is thermostat base 7.Lid 1 is provided with spare water hole 15 in right side.Lifting lug is respectively equipped at the left side and right side of lid 1
Bolt hole 6, two ear stud holes 6 are distributed in the cornerwise both ends in 1 top surface of lid.
In conjunction with Fig. 2,1 bottom surface of lid is set there are three exhaust valve bore 18 and three inlet valve bore 17, exhaust valve bore 18
It is successively alternately distributed with inlet valve bore 17 and distribution arrangement is parallel with the leading flank of lid 1.
In conjunction with Fig. 3, the trailing flank of lid 1 is provided with exhaust gas circulation hole 12, exhaust outlet 13 and preheating consent 14.
The leading flank of lid 1 is provided with inlet manifold 8,1 one of inlet manifold 8 and lid.8 upper end of inlet manifold is equipped with
Air inlet temperature/pressure sensor seat 9, the outside of inlet manifold 8 are equipped with attachment support 11.
In conjunction with Fig. 2, inlet manifold 8 is equipped with air inlet pipe flange-interface 10 in the side of air inlet temperature/pressure sensor seat 9,
The bottom of inlet manifold 8 is provided with fabrication hole 16.
Wherein, the effect in rocker-arm push-rod hole 5 is easy for allowing and directly wear from cylinder interior by the rocker-arm push-rod of camshaft actuated
Cylinder cap is crossed, the rocker arm body of driving cylinder tops installation is carried out.The effect of cylinder bolt hole 2 be allow cylinder bolt pass through cylinder cap, and
Cylinder cap is fastened on engine cylinder body.Valve guide hole 4 is for installing valve guide bushing, to allow valve on cylinder cap
Normal opening and closing work.Ear stud hole 6 is used for through bolt come stationary engine lifting lug, and design can make engine on cylinder cap
Lifting installation convenient for operation.Exhaust outlet 13 is for the gas after engine air in-cylinder combustion to be arranged to the burning to exhaust manifold
Waste gas outlet.Exhaust valve bore 18 and inlet valve bore 17 are respectively used to installation exhaust valve and inlet valve, for controlling engine
The disengaging of fresh air and burning waste gas in cylinder.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure transformation made by the utility model description, it is applied directly or indirectly in other relevant technology necks
Domain is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of cylinder cap of engine includes the lid (1) of rectangular shape, is provided with several sprays on the lid (1)
Oily device hole (3), there are two valve guide hole (4), the lids in the setting of the side of each oil injector hole (3) for the lid (1)
(1) side of valve guide hole (4) is provided with rocker-arm push-rod hole (5), which is characterized in that further include having inlet manifold (8), institute
State inlet manifold (8) and lid (1) one, leading flank of inlet manifold (8) setting in lid (1), the inlet manifold
(8) upper end is equipped with air inlet temperature/pressure sensor seat (9), is equipped with attachment support (11) on the outside of the inlet manifold (8).
2. the cylinder cap of engine according to claim 1, which is characterized in that the inlet manifold (8) is in intake air temperature pressure
The side of force snesor seat (9) is equipped with air inlet pipe flange-interface (10), and the bottom of the inlet manifold (8) is provided with fabrication hole
(16)。
3. the cylinder cap of engine according to claim 1, which is characterized in that be equipped with section on lid (1) left side
Warm device seat (7).
4. the cylinder cap of engine according to claim 3, which is characterized in that the lid (1) is provided with standby in right side
With water hole (15).
5. the cylinder cap of engine according to claim 1, which is characterized in that be provided with several on the lid (1) and pass through
The cylinder bolt hole (2) of logical top and bottom.
6. the cylinder cap of engine according to claim 1, which is characterized in that the left side and right side of the lid (1)
Place is respectively equipped with ear stud hole (6), and two ear stud holes (6) are distributed in lid (1) cornerwise both ends in top surface.
7. the cylinder cap of engine according to claim 1, which is characterized in that the trailing flank of the lid (1) is provided with useless
Gas circulation port (12).
8. the cylinder cap of engine according to claim 7, which is characterized in that the trailing flank of the lid (1) is provided with row
Port (13) and preheating consent (14).
9. the cylinder cap of engine according to claim 1, which is characterized in that lid (1) bottom surface is equipped with several rows
Valve-seat bore (18) and inlet valve bore (17), the exhaust valve bore (18) and inlet valve bore (17) be successively alternately distributed and
Distribution arrangement is parallel with the leading flank of lid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821457935.2U CN208749455U (en) | 2018-09-06 | 2018-09-06 | A kind of cylinder cap of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821457935.2U CN208749455U (en) | 2018-09-06 | 2018-09-06 | A kind of cylinder cap of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749455U true CN208749455U (en) | 2019-04-16 |
Family
ID=66083057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821457935.2U Expired - Fee Related CN208749455U (en) | 2018-09-06 | 2018-09-06 | A kind of cylinder cap of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749455U (en) |
-
2018
- 2018-09-06 CN CN201821457935.2U patent/CN208749455U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20210906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |