CN205225478U - Engine cylinder cover - Google Patents
Engine cylinder cover Download PDFInfo
- Publication number
- CN205225478U CN205225478U CN201520861517.XU CN201520861517U CN205225478U CN 205225478 U CN205225478 U CN 205225478U CN 201520861517 U CN201520861517 U CN 201520861517U CN 205225478 U CN205225478 U CN 205225478U
- Authority
- CN
- China
- Prior art keywords
- pipe seat
- air valve
- valve pipe
- air
- valve base
- 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
Links
Classifications
-
- 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
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine cylinder cover, including the lid, be provided with intake duct and exhaust passage on the lid, the oral area of intake duct is provided with and advances the air valve pipe seat with the valve stem complex, and exhaust passage port portion is provided with arranges the air valve pipe seat with the valve stem complex, advances to be provided with the helicla flute on the inner wall of air valve pipe seat. The utility model discloses a set up into air valve pipe seat and row air valve pipe seat at intake duct and exhaust passage port portion for when advancing the air valve pipe seat and arrange the air valve pipe seat to take place friction and wear at work, when resulting in clearance between all the other valve stems to exceed the design value, accessible more swap -in air valve pipe seat keeps in repair engine cylinder cover with the mode of arranging the air valve pipe seat, and easy maintenance nature is good, and it sets up the helicla flute structure on through the inner wall advancing the air valve pipe seat, the air is added before getting into the combustion chamber in advance has rotary motion to make the swirl ratio of the air of entering combustion chamber bigger, the air is more even with oil -fired mixture, can improve combustion efficiency and engine performance.
Description
Technical field
The utility model relates to a kind of engine components, particularly a kind of cylinder cap of motor.
Background technique
Cylinder head is one of main parts size of motor, and major function is sealing cylinder top, and forms firing chamber with piston head together with cylinder.Cylinder head is provided with intake valve and exhaust valve, be provided with valve stem in intake valve and exhaust valve, motor in the course of the work, controls the opening and closing of intake valve and exhaust valve by valve stem, realize from intake valve inhale fresh air or combustion gas, discharge the waste gas after burning from exhaust valve.
In prior art, cylinder head is only provided with an intake valve, intake duct swirl rate is little, and this causes the air entered in cylinder to be difficult to fully mix with fuel oil, is unfavorable for fuel oil Thorough combustion, affects the performance of motor.Therefore, how carrying induction swirl ratio in firing chamber, guarantee that air fully can mix with fuel oil, is the technical problem that those skilled in the art are devoted to solve always.
And because motor there will be high-frequency combination and is separated between valve stem and intake valve, exhaust valve in the course of the work, this makes the intake valve of cylinder and the easy fretting wear of exhaust valve part, cause valve stem can not excellent sealing inlet and outlet door, engine efficiency is caused to reduce, but cylinder head of the prior art is monolithic construction, make the maintenance after the inlet and outlet door section fretting wear of cylinder head comparatively difficult.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of engine cylinder cover, to solve the technical problem of cylinder head of the prior art maintenance difficult after intake valve and exhaust valve wearing and tearing; And the intake swirl of cylinder head is less in solution prior art, air and fuel oil can not well-mixed technical problems.
The utility model engine cylinder cover, comprise lid, described lid is provided with intake duct and air outlet flue, the oral area of described intake duct is provided with the intake valve base coordinated with valve stem, described air outlet flue oral area is provided with the exhaust valve base coordinated with valve stem, and the inwall of described intake valve base is provided with spiral chute.
Further, described intake valve base and exhaust valve base comprise body and are arranged on the annular flange flange of body leading portion, the groove that the oral area of described intake duct and air outlet flue is provided with the recessed seam of the annular coordinated with annular flange flange and coordinates with body, the position that described body is connected with annular flange flange is provided with the groove of weakened annular flange and body thickness.
Further, described intake valve base and exhaust valve base are straight tube structure.
Further, described lid is provided with cooling water passage on the oral area side of intake duct and air outlet flue.
The beneficial effects of the utility model:
1, the utility model engine cylinder cover, it is by arranging intake valve base and exhaust valve base at intake duct and air outlet flue oral area, make when intake valve base and exhaust valve base at work fretting wear occur, when causing the gap between all the other valve stems to exceed design load, mode by changing intake valve base and exhaust valve base is keeped in repair engine cylinder cover, and servicing ease is good.
2, the utility model engine cylinder cover, it by arranging helical groove structure on the inwall of intake valve base, air is added with rotary motion in advance before entering firing chamber, thus make the swirl rate of the air entering firing chamber larger, air and fuel oil mix evenly, combustion efficiency and engine performance can be improved.
Accompanying drawing explanation
Fig. 1 is the broken section structural representation of the present embodiment engine cylinder cover;
Fig. 2 is the structural representation of intake valve base.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in the figure, the present embodiment engine cylinder cover, comprise lid 1, described lid is provided with intake duct 2 and air outlet flue 3, the oral area of described intake duct is provided with the intake valve base 4 coordinated with valve stem, described air outlet flue oral area is provided with the exhaust valve base 5 coordinated with valve stem, and the inwall of described intake valve base is provided with spiral chute 6.
The present embodiment engine cylinder cover, it is by arranging intake valve base and exhaust valve base at intake duct and air outlet flue oral area, make when intake valve base and exhaust valve base at work fretting wear occur, when causing the gap between all the other valve stems to exceed design load, mode by changing intake valve base and exhaust valve base is keeped in repair engine cylinder cover, and servicing ease is good.
And the present embodiment engine cylinder cover, it by arranging helical groove structure on the inwall of intake valve base, air is added with rotary motion in advance before entering firing chamber, thus make the swirl rate of the air entering firing chamber larger, air and fuel oil mix evenly, combustion efficiency and engine performance can be improved.
As the improvement to the present embodiment, the groove that the oral area that described intake valve base and exhaust valve base comprise body 7 and be arranged on intake duct and air outlet flue described in the annular flange flange 8 of body leading portion is provided with the recessed seam of the annular coordinated with annular flange flange and coordinates with body, the position that described body is connected with annular flange flange is provided with the groove 9 of weakened annular flange and body thickness.When valve stem 10 is in the process of closing valve; valve stem and produce larger impact force between intake valve base and exhaust valve base; this improvement makes annular flange flange and body have certain elasticity; thus can cushion impact force; be conducive to protection intake valve base and exhaust valve base, avoid it to occur the damages such as fracture.
As the improvement to the present embodiment, described intake valve base 4 and exhaust valve base 5 are straight tube structure, and this improvement makes it less to the resistance of air-flow, are conducive to improving the intake and exhaust efficiency of motor and the mixed effect of air and fuel oil.
As the improvement to the present embodiment, described lid is provided with cooling water passage 11 on the oral area side of intake duct and air outlet flue, utilize the cooling water flowing through lonely water channel to cool hood during engine operation, the intake duct that hood local superheating can be avoided to cause and air outlet channel oral area cross the problem such as quick-wearing, deformed damaged.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. an engine cylinder cover, it is characterized in that: comprise lid, described lid is provided with intake duct and air outlet flue, the oral area of described intake duct is provided with the intake valve base coordinated with valve stem, described air outlet flue oral area is provided with the exhaust valve base coordinated with valve stem, and the inwall of described intake valve base is provided with spiral chute.
2. engine cylinder cover according to claim 1, it is characterized in that: described intake valve base and exhaust valve base comprise body and be arranged on the annular flange flange of body leading portion, the groove that the oral area of described intake duct and air outlet flue is provided with the recessed seam of the annular coordinated with annular flange flange and coordinates with body, the position that described body is connected with annular flange flange is provided with the groove of weakened annular flange and body thickness.
3. engine cylinder cover according to claim 1, is characterized in that: described intake valve base and exhaust valve base are straight tube structure.
4. engine cylinder cover according to claim 1, is characterized in that: described lid is provided with cooling water passage on the oral area side of intake duct and air outlet flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861517.XU CN205225478U (en) | 2015-11-02 | 2015-11-02 | Engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861517.XU CN205225478U (en) | 2015-11-02 | 2015-11-02 | Engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225478U true CN205225478U (en) | 2016-05-11 |
Family
ID=55900549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861517.XU Expired - Fee Related CN205225478U (en) | 2015-11-02 | 2015-11-02 | Engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240141A (en) * | 2015-11-02 | 2016-01-13 | 重庆金花玻璃钢有限公司 | Engine cylinder cover |
-
2015
- 2015-11-02 CN CN201520861517.XU patent/CN205225478U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240141A (en) * | 2015-11-02 | 2016-01-13 | 重庆金花玻璃钢有限公司 | Engine cylinder cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |