CN206190419U - Piston burning chamber structure , engine and car - Google Patents
Piston burning chamber structure , engine and car Download PDFInfo
- Publication number
- CN206190419U CN206190419U CN201621189187.5U CN201621189187U CN206190419U CN 206190419 U CN206190419 U CN 206190419U CN 201621189187 U CN201621189187 U CN 201621189187U CN 206190419 U CN206190419 U CN 206190419U
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- Prior art keywords
- combustion chamber
- engine
- face
- piston
- chamber structure
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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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- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The utility model provides a piston burning chamber structure, engine and car, this piston burning chamber structure, include: the top land includes: formed at the combustion chamber pit of the center department of top land, form one around the pit of combustion chamber and be conical border, wherein, it keeps away valve hole and keeps away the valve with two exhaust valves and cheat evenly to be provided with two (air) intake valves on the border. The utility model discloses piston burning chamber structure, engine and car, the border sets up to the toper structure, and in the engine compression stroke, the terminal surface of toper structural formation and cylinder cap combustion chamber extrusion air can produce a large amount of crowded flowing to concentrate to the spark plug position in the middle of the combustion chamber, can increase the turbulent kinetic energy constantly that ignites, accelerate burning rate, improve combustion efficiency.
Description
Technical field
The utility model is related to the Design of Auto Parts technical field, more particularly to a kind of piston combustion chamber structure, starts
Machine and automobile.
Background technology
In existing automotive engine combustion chamber structure, top land structure determines that engine fires to a certain extent
The shape of room is burnt, the fired state of engine is also determined.The combustion chamber of prior art has that burning velocity is slow, efficiency is low asks
Topic.
Utility model content
The utility model embodiment technical problem to be solved is to provide a kind of piston combustion chamber structure, engine and vapour
Car, is used to realize improving efficiency of combustion.
In order to solve the above technical problems, the utility model embodiment provides a kind of piston combustion chamber structure, including：
Top land, including：The combustion recess of the center of the top land is formed at, the combustion recess
Surrounding forms a tapered edge, wherein, two inlet valve valve pits and two exhaust valves are evenly arranged with the edge
Valve pit.
Further, the edge includes：First end face, second end face, the 3rd end face and the 4th end face, the first end
Face, second end face, the 3rd end face and the 4th end face are recessed by the laterally closer combustion chamber of away from the combustion recess
The opposite side in hole forms taper surface.
Further, the bottom of the combustion recess is smooth planar structure, the bottom of the combustion recess with
The junction at edge is in arc-shaped, and the combustion recess is in bowl-shape.
Further, the inlet valve valve pit and exhaust valve valve pit are groove structure.
The utility model embodiment additionally provides a kind of engine, including engine piston, and the engine piston includes
Piston combustion chamber structure as described above.
The utility model embodiment additionally provides a kind of automobile, including engine as described above.
Compared with prior art, the utility model embodiment is provided a kind of piston combustion chamber structure, engine and automobile,
At least have the advantages that：The piston combustion chamber structure of the utility model embodiment, engine and automobile, edge is set to
Pyramidal structure, in engine compresses stroke, the end face and the combustion chamber extruding air that pyramidal structure is formed can be produced largely
Stream is squeezed, and is concentrated to the spark-plug location in the middle of combustion chamber, the tubulence energy of time of ignition can be increased, accelerate burning velocity, carried
High burning efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the piston combustion chamber structure of the utility model embodiment；
Fig. 2 is the perspective view of the piston combustion chamber structure of the utility model embodiment.
Specific embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description, there is provided the specific detail of such as specific configuration and component is only
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without deviating from scope and spirit of the present utility model.In addition, in order to clear and
Succinctly, the description to known function and construction is eliminated.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present utility model.Therefore, go out everywhere in entire disclosure
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific spies
Levy, structure or characteristic can be combined in one or more embodiments in any suitable manner.
Referring to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of piston combustion chamber structure, including：
Top land, including：It is formed at the combustion recess 1 of the center of the top land, the combustion recess 1
Around formed a tapered edge 2, wherein, be evenly arranged with the edge 2 two inlet valve valve pits 4 and two row
Valve valve pit 3.
In the piston combustion chamber structure of the utility model embodiment, edge is set to pyramidal structure, forms a taper
Face, in engine compresses stroke, the taper surface and the combustion chamber extruding air that pyramidal structure is formed can produce a large amount of squeezing to flow,
And concentrated to the spark-plug location in the middle of combustion chamber, the tubulence energy of time of ignition can be increased, accelerate burning velocity, improve burning
Efficiency.
Wherein, in the piston combustion chamber structure of the utility model embodiment, for the tubulence energy for further strengthening producing,
The edge 2 includes：First end face 21, second end face 22, the 3rd end face 23 and the 4th end face 24, the first end face 21,
Biend 22, the 3rd end face 23 and the 4th end face 24 are by the laterally closer combustion chamber of away from the combustion recess 1
The opposite side of pit 1 forms taper surface.By the first end face 21 after improvement, second end face 22, the 3rd end face 23 and the 4th end
Face 24 can further increase the tubulence energy of time of ignition, improve efficiency of combustion.
Wherein, because being inevitably generated carbon distribution after burning, combustion chamber needs periodic cleaning, so, the combustion recess 1
Bottom be smooth planar structure, the bottom of the combustion recess 1 is in arc-shaped, the burning with the junction at edge 2
Room pit 1 is in bowl-shape, and its section takes the shape of the letter U.
In the piston combustion chamber structure of the utility model embodiment, the bottom of combustion recess 1 is set to smooth
Planar structure, and the bottom of combustion recess 1 and the junction at edge 2 are in arc-shaped, junction seamlessly transits, and is easy to cleaning to fire
Burn room.
Further, the inlet valve valve pit 4 and exhaust valve valve pit 3 are groove structure.
The utility model embodiment additionally provides a kind of engine, including engine piston, and the engine piston includes
Piston combustion chamber structure as described above.
The utility model embodiment additionally provides a kind of automobile, including engine as described above.
To sum up, the piston combustion chamber structure of the utility model embodiment, engine and automobile, edge is set to taper knot
Structure, in engine compresses stroke, the end face and the combustion chamber extruding air that pyramidal structure is formed can produce a large amount of squeezing to flow, and
Concentrated to the spark-plug location in the middle of combustion chamber, the tubulence energy of time of ignition can be increased, accelerate burning velocity, improve burning effect
Rate.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to solution
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model scope of embodiments.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and between not necessarily requiring or implying these entities or operate
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (5)
1. a kind of piston combustion chamber structure, it is characterised in that including：
Top land, including：It is formed at the combustion recess (1) of the center of the top land, the combustion recess (1)
Surrounding forms a tapered edge (2), wherein, two inlet valve valve pits (4) and two are evenly arranged with the edge (2)
Individual exhaust valve valve pit (3)；
The edge (2) includes：First end face (21), second end face (22), the 3rd end face (23) and the 4th end face (24), it is described
First end face (21), second end face (22), the 3rd end face (23) and the 4th end face (24) are by away from the combustion recess (1)
A laterally closer combustion recess (1) opposite side formed taper surface.
2. piston combustion chamber structure according to claim 1, it is characterised in that the bottom of the combustion recess (1) is
Smooth planar structure, the bottom of the combustion recess (1) is in arc-shaped with the junction at edge (2), and the combustion chamber is recessed
Hole (1) is in bowl-shape.
3. piston combustion chamber structure according to claim 1, it is characterised in that the inlet valve valve pit (4) and exhaust
Door valve pit (3) is groove structure.
4. a kind of engine, it is characterised in that including engine piston, the engine piston includes that claims 1 to 3 such as is appointed
Piston combustion chamber structure described in one.
5. a kind of automobile, it is characterised in that including engine as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189187.5U CN206190419U (en) | 2016-11-04 | 2016-11-04 | Piston burning chamber structure , engine and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621189187.5U CN206190419U (en) | 2016-11-04 | 2016-11-04 | Piston burning chamber structure , engine and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190419U true CN206190419U (en) | 2017-05-24 |
Family
ID=58734048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621189187.5U Active CN206190419U (en) | 2016-11-04 | 2016-11-04 | Piston burning chamber structure , engine and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281750A (en) * | 2018-09-25 | 2019-01-29 | 宁波吉利罗佑发动机零部件有限公司 | A kind of high compression engine combustion chamber |
| CN110259569A (en) * | 2019-06-14 | 2019-09-20 | 奇瑞汽车股份有限公司 | Port injection type supercharging gasoline engine efficient burning room |
| CN112502848A (en) * | 2020-12-01 | 2021-03-16 | 东风汽车集团有限公司 | Piston for igniting compression ignition gasoline engine |
-
2016
- 2016-11-04 CN CN201621189187.5U patent/CN206190419U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281750A (en) * | 2018-09-25 | 2019-01-29 | 宁波吉利罗佑发动机零部件有限公司 | A kind of high compression engine combustion chamber |
| CN110259569A (en) * | 2019-06-14 | 2019-09-20 | 奇瑞汽车股份有限公司 | Port injection type supercharging gasoline engine efficient burning room |
| CN112502848A (en) * | 2020-12-01 | 2021-03-16 | 东风汽车集团有限公司 | Piston for igniting compression ignition gasoline engine |
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