CN207795420U - A kind of multichannel input piston for automobile engine - Google Patents
A kind of multichannel input piston for automobile engine Download PDFInfo
- Publication number
- CN207795420U CN207795420U CN201721907192.XU CN201721907192U CN207795420U CN 207795420 U CN207795420 U CN 207795420U CN 201721907192 U CN201721907192 U CN 201721907192U CN 207795420 U CN207795420 U CN 207795420U
- Authority
- CN
- China
- Prior art keywords
- channel
- piston
- passage
- combustion chamber
- top land
- 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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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of multichannel input pistons for automobile engine, including piston only, first passage, second channel, third channel, fourth lane, combustion chamber, piston skirt, piston crown, top land；It is characterized in that：The piston only is made of piston skirt, piston crown, top land；The top land is equipped with combustion chamber and channel, wherein channel includes first passage, second channel, third channel, fourth lane, wherein first passage and fourth lane is symmetrical about top land center origin, wherein second channel is symmetrical about top land center origin with third channel, and wherein the width of first passage, length are different from the width of second channel, length；The channel is connect with combustion chamber to be communicated；The utility model can improve the motor tissue state of top land burning indoor air flow, make burning indoor oil, gas as much as possible uniformly, the process for being conducive to burning carries out, and improves the thermal efficiency, improves engine performance and functional reliability.
Description
Technical field
The utility model is related to a kind of pistons, and in particular to a kind of multichannel input piston for automobile engine.
Background technology
Automobile engine is that the device of power is provided for automobile, is the heart of automobile, decides dynamic property, the economy of automobile
Property and the feature of environmental protection.According to power resources difference, automobile engine can be divided into diesel engine, petrol engine, electric vehicle electricity
Motivation and hybrid power etc..
Engine be by two great institutions of toggle and valve actuating mechanism, and cooling, lubrication, igniting, fuel supply,
The five big systems such as activation system form.Critical piece has cylinder block, cylinder head, piston, piston pin, connecting rod, bent axle, flywheel etc..
The working chamber of reciprocating piston internal combustion engine is referred to as cylinder, and cylinder face is cylinder.The reciprocating piston in cylinder
Hinged by one end of piston pin and connecting rod, the other end of connecting rod is then connected with bent axle, and bent axle is supported by the bearing in cylinder block,
It can be rotated in bearing, constitute toggle.When piston is reciprocating in cylinder, connecting rod pushes bent axle rotation.Instead
It, when crank rotation, rod journal circles in crankcase, and by connecting rod band piston in cylinder on move down
It is dynamic.Bent axle each rotation, respectively operation is primary above and below for piston, and the volume of cylinder is constantly changing from small to big, then from large to small, such as
This cycle is endlessly.It is closed with cylinder cover on the top of cylinder.Inlet valve and exhaust valve are housed on cylinder cover.Pass through inlet and outlet door
Opening and closing, which is realized, to be inflated into cylinder and is vented to outside cylinder.The opening and closing of inlet and outlet door is by camshaft actuated.Camshaft is led to by bent axle
Cross toothed belt or gear driving.
In working stroke, the gas pressure that toggle will generate after fuel combustion turns by piston, connecting rod
Become the torque of bent axle rotation；Then, 3 air inlet, compression, exhaust auxiliary strokes are completed using the inertia of flywheel.Crank connecting link
Mechanism is made of cylinder block crankshaft case group, piston connecting rod unit and 3 part of crankshaft-flywheel group.
Some of the subsidiary combustion chamber arrangement of the prior art usually in the periphery positioned at cylinder centerline farther out determines position
It sets, the fuel particles (molecule) for spraying out by atomizer pass through certain distance, but still need to reach farther out with air motion
Region cause oil, gas mixing uneven due to air flow path cause different in size, to influence efficiency of combustion, influence engine
Power, economic performance, emission performance.
Invention content
The purpose of this utility model is to provide a kind of multichannel input pistons for automobile engine, can improve piston
The motor tissue state of top combustion indoor air flow, make burning indoor oil, gas as much as possible uniformly, be conducive to burning process
It carries out, improves the thermal efficiency, improves engine performance and functional reliability.
A kind of multichannel input piston for automobile engine, including piston only, first passage, second channel,
Triple channel, fourth lane, combustion chamber, piston skirt, piston crown, top land；It is characterized in that：The piston only is by living
Fill in skirt section, piston crown, top land composition；The top land is equipped with combustion chamber and channel, and wherein channel includes first
Channel, second channel, third channel, fourth lane, wherein first passage are with fourth lane about top land center origin pair
Claim, wherein second channel and third channel is symmetrical about top land center origin, wherein the width of first passage, length with
The width of second channel, length are different, and the wherein height of first passage and the height of second channel is identical；The channel and burning
Room connection communicates, and wherein depth of the combustion chamber far from passage end is more than depth of the combustion chamber close to passage end.
Further, the piston skirt is fixedly mounted on the lower top of piston crown.
Further, the top land is fixedly mounted on piston crown on top.
Further, the piston skirt is equipped with symmetrical two axis pin mouths.
Further, compression, oil ring groove are equipped on the piston crown successively from top to bottom.
Further, the compression setting is more than two.
Further, the combustion-chamber shape is oval either round or polygon.
The beneficial effects of the utility model are：The present apparatus is simple in sturcture, ingenious in design, and energy saving, emission reduction effect is good；This
Device improves oil, the condition that gas mixes by the structure of improvement combustion chamber；Meanwhile the present apparatus passes through multiple channels and combustion chamber
Connection communicates, and is conducive to the tissue and flame propagation of burning；The present apparatus also reduces the thermic load of oil nozzle, improves reliability, warp
Ji property and power performance；The present apparatus utilizes multiple compressions, keeps the tightness of the present apparatus very good, improves oil, the effect that gas mixes
Rate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the sectional view of the utility model.
In figure, plug ontology 1, axis pin mouth 2, first passage 3, second channel 4, third channel 5, fourth lane 6, combustion chamber 7,
Compression 8, oil ring groove 9, piston skirt 10, piston crown 11, top land 12.
Specific implementation mode
It is the better embodiment of the utility model below, but does not therefore limit the scope of protection of the utility model.
As shown, a kind of multichannel input piston for automobile engine, including piston only 1, first passage 3,
Second channel 4, third channel 5, fourth lane 6, combustion chamber 7, piston skirt 10, piston crown 11, top land 12；Its feature
It is：The piston only 1 is made of piston skirt 10, piston crown 11, top land 12；The top land 12 is equipped with
Combustion chamber 7 and channel, wherein channel include first passage 3, second channel 4, third channel 5, fourth lane 6, wherein first is logical
Road 3 is symmetrical about 12 center origin of top land with fourth lane 6, and wherein second channel 4 and third channel 5 is about top land
12 center origins are symmetrical, and wherein the width of first passage 3, length are different from the width of second channel 4, length, wherein first
The height in channel 3 is identical as the height of second channel 4；The channel connect with combustion chamber 7 and communicates, and wherein combustion chamber 7 is far from logical
The depth of road one end is more than combustion chamber 7 close to the depth of passage end, and wherein 7 shape of combustion chamber is oval either round or more
Side shape.
Further, the piston skirt 10 is fixedly mounted on the lower top of piston crown 11；The top land 12 is solid
Dingan County is equipped with symmetrical two axis pin mouths 2, wherein piston crown 11 on top on piston crown 11 on piston skirt 10
On be equipped with compression 8, oil ring groove 9 successively from top to bottom, two or more is arranged in wherein compression 8.
The utility model devises a kind of multichannel input piston for automobile engine：The present apparatus is simple in structure, if
Count ingenious, energy saving, emission reduction effect is good；The present apparatus improves oil, the condition that gas mixes by the structure of improvement combustion chamber；Meanwhile
The present apparatus is connect with combustion chamber by multiple channels and is communicated, and the tissue and flame propagation of burning are conducive to；The present apparatus also reduces
The thermic load of oil nozzle improves reliability, economy and power performance；The present apparatus utilizes multiple compressions, makes being sealed for the present apparatus
Property it is very good, improve oil, gas mixing efficiency.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
Member for, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of multichannel input piston for automobile engine, including piston only, first passage, second channel, third
Channel, fourth lane, combustion chamber, piston skirt, piston crown, top land；It is characterized in that：The piston only is by piston
Skirt section, piston crown, top land composition；The top land is equipped with combustion chamber and channel, and wherein channel includes first logical
Road, second channel, third channel, fourth lane, wherein first passage are symmetrical about top land center origin with fourth lane,
Wherein second channel and third channel is symmetrical about top land center origin, and wherein the width of first passage, length are with
The width in two channels, length are different, and the wherein height of first passage and the height of second channel is identical；The channel and combustion chamber
Connection communicates, and wherein depth of the combustion chamber far from passage end is more than depth of the combustion chamber close to passage end.
2. a kind of multichannel input piston for automobile engine according to claim 1, it is characterized in that：The piston
Skirt section is fixedly mounted on the lower top of piston crown.
3. a kind of multichannel input piston for automobile engine according to claim 1, it is characterized in that：The piston
Top is fixedly mounted on piston crown on top.
4. a kind of multichannel input piston for automobile engine according to claim 2, it is characterized in that：The piston
Skirt section is equipped with symmetrical two axis pin mouths.
5. a kind of multichannel input piston for automobile engine according to claim 3, it is characterized in that：The piston
It is equipped with compression, oil ring groove on head successively from top to bottom.
6. a kind of multichannel input piston for automobile engine according to claim 5, it is characterized in that：The compression ring
Slot setting is more than two.
7. a kind of multichannel input piston for automobile engine according to claim 1, it is characterized in that：The burning
Chamber shape is oval either round or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907192.XU CN207795420U (en) | 2017-12-29 | 2017-12-29 | A kind of multichannel input piston for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907192.XU CN207795420U (en) | 2017-12-29 | 2017-12-29 | A kind of multichannel input piston for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795420U true CN207795420U (en) | 2018-08-31 |
Family
ID=63276976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721907192.XU Expired - Fee Related CN207795420U (en) | 2017-12-29 | 2017-12-29 | A kind of multichannel input piston for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795420U (en) |
-
2017
- 2017-12-29 CN CN201721907192.XU patent/CN207795420U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181229 |