CN205330819U - Can increase engine cylinder lid of swirl ratio - Google Patents
Can increase engine cylinder lid of swirl ratio Download PDFInfo
- Publication number
- CN205330819U CN205330819U CN201520861456.7U CN201520861456U CN205330819U CN 205330819 U CN205330819 U CN 205330819U CN 201520861456 U CN201520861456 U CN 201520861456U CN 205330819 U CN205330819 U CN 205330819U
- Authority
- CN
- China
- Prior art keywords
- swirl ratio
- lid
- intake duct
- engine cylinder
- combustion chamber
- 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
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a can increase engine cylinder lid of swirl ratio, including the lid, be provided with intake duct, exhaust passage and combustion chamber on the lid, be provided with the helicla flute on export department's pipe wall of intake duct, the lid is provided with the ring type seal mounting groove around the combustion chamber, be provided with the sealing washer in the sealing washer mounting groove. The utility model discloses a set up the sealing washer around the combustion chamber and come to seal the gas in the cylinder head, seal structure's simple manufacture, and the utility model provides a sealing washer utilizes the rubber pad to support elasticity steel bluff piece for the resilience of sealing washer can be good, and sealed effect is good, and it sets up the helicla flute structure on through the export department's pipe wall at the intake duct, 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
This utility model relates to a kind of engine components, particularly to the cylinder cap of a kind of electromotor。
Background technology
Cylinder head is one of main parts size of electromotor, and major function is sealing cylinder top, and collectively forms combustor with top land and cylinder。Cylinder head is provided with inlet valve and exhaust valve, being provided with valve stem in inlet valve and exhaust valve, electromotor in the course of the work, controls the opening and closing of inlet valve and exhaust valve by valve stem, realize sucking fresh air or combustion gas from inlet valve, the waste gas after discharging burning from exhaust valve。
In prior art, cylinder cap being provided only with an inlet valve, air intake duct swirl ratio is little, and this air caused entry in cylinder is difficult to be sufficiently mixed with fuel oil, is unfavorable for that fuel oil fully burns, affects the performance of electromotor。Therefore, how to carry induction swirl ratio in combustor, it is ensured that air can be sufficiently mixed with fuel oil, be that those skilled in the art are devoted to solve the technical problem that always。
Utility model content
In view of this, the purpose of this utility model is to provide a kind of engine cylinder cover that can increase swirl ratio, less to solve the intake swirl of cylinder head in prior art, and air and fuel oil can not well-mixed technical problems；And solve cylinder head of the prior art technical problem of maintenance difficult after inlet valve and exhaust valve wear and tear。
This utility model can increase the engine cylinder cover of swirl ratio, including lid, described lid is provided with air intake duct, exhaust duct and combustor；
Export department's tube wall of described air intake duct is provided with helicla flute；
Described lid is provided around O-ring seal mounting groove at combustor, be provided with sealing ring in described sealing ring mounting groove, described sealing ring include annular reinforcing bar sheet, be arranged on annular reinforcing bar sheet two sides on rubber blanket and sealed envelope Elastic Steel bluff piece outside rubber blanket。
Further, the export department of described air intake duct is straight tube structure。
Further, described lid is additionally provided with the recessed seam coordinated with cylinder jacket, described recessed seam is provided with steel plate washer。
Further, the surface of described steel plate washer is provided with annular projection。
Further, described lid is provided with cooling-water duct by the oral area of air intake duct and exhaust duct。
The beneficial effects of the utility model:
1, this utility model can increase the engine cylinder cover of swirl ratio, it adopts and is arranged around sealing ring in cylinder head upper combustion chamber combustion gas is sealed, the making sealing structure is simple, and the sealing ring in this utility model utilizes rubber blanket to support Elastic Steel bluff piece, the rebound performance making sealing ring is good, and sealing effectiveness is good；The intensity of its Elastic Steel bluff piece and annular reinforcing bar sheet is good simultaneously so that the structural strength of sealing ring is good, is hardly damaged, and rubber blanket is by Elastic Steel bluff piece sealed envelope so that it does not contact with high-temperature fuel gas, and the life-span of sealing ring is long；Thus solving the sealing of existing head combustion chamber there is the technical problem that difficulty of processing is big, sealing effectiveness is poor。
2, this utility model can increase the engine cylinder cover of swirl ratio, it by arranging helical groove structure on export department's tube wall of air intake duct, air is entering before combustor by pre-added with rotary motion, so that the swirl ratio entering the air of combustor is bigger, the mixing of air and fuel oil evenly, can improve efficiency of combustion and engine performance。
Accompanying drawing explanation
Fig. 1 is the broken section structural representation that the present embodiment can increase the engine cylinder cover of swirl ratio；
Fig. 2 is the enlarged diagram in P portion in Fig. 1。
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described。
As it can be seen, the present embodiment can increase the engine cylinder cover of swirl ratio, including lid 1, described lid is provided with air intake duct 2, exhaust duct 3 and combustor 4；
Export department's tube wall of described air intake duct is provided with helicla flute 5；
Described lid is provided around O-ring seal mounting groove at combustor, be provided with sealing ring in described sealing ring mounting groove, described sealing ring include annular reinforcing bar sheet 61, be arranged on annular reinforcing bar sheet two sides on rubber blanket 62 and sealed envelope Elastic Steel bluff piece 63 outside rubber blanket。
The present embodiment can increase the engine cylinder cover of swirl ratio, it adopts and is arranged around sealing ring in cylinder head upper combustion chamber combustion gas is sealed, the making sealing structure is simple, and the sealing ring in this utility model utilizes rubber blanket to support Elastic Steel bluff piece, the rebound performance making sealing ring is good, and sealing effectiveness is good；The intensity of its Elastic Steel bluff piece and annular reinforcing bar sheet is good simultaneously so that the structural strength of sealing ring is good, is hardly damaged, and rubber blanket is by Elastic Steel bluff piece sealed envelope so that it does not contact with high-temperature fuel gas, and the life-span of sealing ring is long；Thus solving the sealing of existing head combustion chamber there is the technical problem that difficulty of processing is big, sealing effectiveness is poor。
And the present embodiment can increase the engine cylinder cover of swirl ratio, it by arranging helical groove structure on export department's tube wall of air intake duct, air is entering before combustor by pre-added with rotary motion, so that the swirl ratio entering the air of combustor is bigger, the mixing of air and fuel oil evenly, can improve efficiency of combustion and engine performance。
As the improvement to the present embodiment, the export department of described air intake duct 2 is straight tube structure, and the resistance of straight tube structure is less, is conducive to improving air velocity, and then improves the mixed effect of air and fuel oil。
As the improvement to the present embodiment, described lid is additionally provided with the recessed seam coordinated with cylinder jacket, described recessed seam is provided with steel plate washer 7, can further combustion gas be sealed by steel plate washer, it is ensured that start function normal operation when sealing ring damages。
As the improvement to the present embodiment, the surface of described steel plate washer is provided with annular projection 8, by the elastic deformation of annular projection, the sealing effectiveness of steel plate washer can be improved further。
As the improvement to the present embodiment, described lid is provided with cooling-water duct 9 by the oral area of air intake duct and exhaust duct, utilize during electromotor work and flow through the cooling water of lonely water channel lid and sealing ring are cooled down, be avoided that air intake duct that hood hot-spot causes and gas off-take oral area cross the problem such as quick-wearing, deformed damaged。
What finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, without deviating from objective 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 (5)
1. can increase an engine cylinder cover for swirl ratio, including lid, described lid be provided with air intake duct, exhaust duct and combustor, it is characterised in that:
Export department's tube wall of described air intake duct is provided with helicla flute；
Described lid is provided around O-ring seal mounting groove at combustor, be provided with sealing ring in described sealing ring mounting groove, described sealing ring include annular reinforcing bar sheet, be arranged on annular reinforcing bar sheet two sides on rubber blanket and sealed envelope Elastic Steel bluff piece outside rubber blanket。
2. the engine cylinder cover that can increase swirl ratio according to claim 1, it is characterised in that: the export department of described air intake duct is straight tube structure。
3. the engine cylinder cover that can increase swirl ratio according to claim 1, it is characterised in that: described lid is additionally provided with the recessed seam coordinated with cylinder jacket, described recessed seam is provided with steel plate washer。
4. the engine cylinder cover that can increase swirl ratio according to claim 3, it is characterised in that: the surface of described steel plate washer is provided with annular projection。
5. the engine cylinder cover that can increase swirl ratio according to claim 1, it is characterised in that: described lid is provided with cooling-water duct by the oral area of air intake duct and exhaust duct。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861456.7U CN205330819U (en) | 2015-11-02 | 2015-11-02 | Can increase engine cylinder lid of swirl ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861456.7U CN205330819U (en) | 2015-11-02 | 2015-11-02 | Can increase engine cylinder lid of swirl ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330819U true CN205330819U (en) | 2016-06-22 |
Family
ID=56213250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861456.7U Expired - Fee Related CN205330819U (en) | 2015-11-02 | 2015-11-02 | Can increase engine cylinder lid of swirl ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205330819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240143A (en) * | 2015-11-02 | 2016-01-13 | 重庆金花玻璃钢有限公司 | Engine cylinder cover capable of increasing swirl ratio |
-
2015
- 2015-11-02 CN CN201520861456.7U patent/CN205330819U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240143A (en) * | 2015-11-02 | 2016-01-13 | 重庆金花玻璃钢有限公司 | Engine cylinder cover capable of increasing swirl ratio |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205330819U (en) | Can increase engine cylinder lid of swirl ratio | |
| CN205243668U (en) | Can change cooling of valve portion, calorific loss and sealing performance's engine cylinder lid | |
| CN205532939U (en) | Empty filter anti -backfire subassembly and empty filter thereof | |
| CN205243664U (en) | Take easily restoration type of sealing washer engine cylinder lid | |
| CN104329181A (en) | Motor engine cylinder head structure | |
| CN205422966U (en) | Can strengthen air mixes engine cylinder lid of effect with fuel | |
| CN204386779U (en) | A kind of diesel engine air filter protective hat | |
| CN205225479U (en) | Can increase easy restoration type engine cylinder lid of swirl ratio | |
| CN205243667U (en) | Can improve swirl ratio, sealing performance and refrigerated engine cylinder of valve portion lid | |
| CN105240141A (en) | Engine cylinder cover | |
| CN205225478U (en) | Engine cylinder cover | |
| CN205225477U (en) | Take engine cylinder lid of sealing washer | |
| CN204063034U (en) | A kind of turbine type all-premixing burner | |
| WO2016202297A1 (en) | Piston ring | |
| CN205243665U (en) | Can strengthen refrigerated engine cylinder of valve portion lid | |
| CN105240143A (en) | Engine cylinder cover capable of increasing swirl ratio | |
| CN205225480U (en) | Wear -resisting type engine cylinder lid | |
| CN103672933B (en) | A kind of flue and apply motor vehicle, combustion furnace and the gas heater of this flue | |
| CN206903778U (en) | Anti-carbon deposition low pressure EGR valve valve core structure | |
| CN204163895U (en) | A kind of air inlet device for automobile engine | |
| CN201671722U (en) | Seal spacer for engine exhaust pipe | |
| CN201581997U (en) | Energy-saving emission-reduction type gas inlet pipeline for engines | |
| CN209672344U (en) | A kind of rotary kiln with annular mend wind passage | |
| CN205297787U (en) | Empty filter and engine with anti -backfire baffle | |
| CN205064130U (en) | Mining explosion -proof automatically controlled EGR system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161102 |