CN101701560A - Plastic air intake manifold of gasoline engine - Google Patents
Plastic air intake manifold of gasoline engine Download PDFInfo
- Publication number
- CN101701560A CN101701560A CN200910228139A CN200910228139A CN101701560A CN 101701560 A CN101701560 A CN 101701560A CN 200910228139 A CN200910228139 A CN 200910228139A CN 200910228139 A CN200910228139 A CN 200910228139A CN 101701560 A CN101701560 A CN 101701560A
- Authority
- CN
- China
- Prior art keywords
- pressure stabilizing
- sheet
- tracheae
- stabilizing cavity
- intake manifold
- 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.)
- Pending
Links
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a plastic air intake manifold of a gasoline engine. The air intake manifold comprises a pressure stabilizing cavity lower piece, a windpipe upper piece, a windpipe lower piece, a cylinder cover installing seat and a thermostat installing seat which are all made of plastic; all parts of the air intake manifold, which need to be connected, are connected and installed by adopting friction welding; an integral casting way is adopted for both a pressure stabilizing upper piece and a pressure stabilizing lower piece; a transverse water channel is manufactured on the windpipe lower piece above the cylinder cover installing seat; and the transverse water channel is communicated with a water channel of the gasoline engine through a water gap manufactured on the installing seat. In the invention, the plastic air intake manifold of the gasoline engine is firstly developed in China and has the advantages of simple machining, light weight, good fluidity, low thermal inertia, small air flow resistance, lower air intake temperature, remarkably improved charging efficiency, and the like. In addition, an electric control system is not needed for matching, and the dynamic property, the economical efficiency, the discharging characteristic and the like of the gasoline engine are obviously improved.
Description
Technical field
The present invention relates to automobile inlet manifold, especially a kind of plastic air intake manifold of gasoline engine.
Background technique
At present, the employed intake manifold of home-produced fuel machine generally adopts the intake manifold of metallic material, and weight is big, and manufacturing efficiency is low, and the cost height has influenced the performance such as power character, Economy, emission performance of petrol engine; In addition, sheet has adopted connecting method for easy to process under the pressure stabilizing cavity of existing intake manifold, the machining accuracy height, and yield rate is low; And the cooling of existing intake manifold is to adopt the externally-wound type water pipe, and cooling effect is relatively poor, and makes the structure of motor seem numerous and diverse.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of plastic air intake manifold of gasoline engine of a kind of simple in structure, design science, good cooling results is provided.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of plastic air intake manifold of gasoline engine, comprise sheet, tracheae under pressure stabilizing cavity last slice, the pressure stabilizing cavity, tracheae is formed by sheet spiral-lock under tracheae last slice, the tracheae, the sheet lower end is shaped on the cylinder cap fitting seat under tracheae, sheet one side is shaped on the thermostat fitting seat under tracheae, the mutual spiral-lock of sheet and form pressure stabilizing cavity within it under pressure stabilizing cavity last slice and the pressure stabilizing cavity, the mutual spiral-lock of sheet and form air flue within it under tracheae last slice and the tracheae, pressure stabilizing cavity is communicated with air flue, it is characterized in that:
(1) under each parts pressure stabilizing cavity of intake manifold under sheet, tracheae last slice, the tracheae sheet and cylinder cap fitting seat, thermostat fitting seat all adopt plastic production, these plastics are that the PA66 of ethylene glycol resistant adds 30% glass, need each parts of the intake manifold of connection to adopt friction welding to carry out connection;
(2) sheet all adopts the integrally casting mode under pressure stabilizing cavity last slice, the pressure stabilizing cavity;
(3) this intake manifold is shaped on a horizontal water channel on sheet under the tracheae above the cylinder cap fitting seat, this horizontal water channel is communicated with the water channel of petrol engine by the made mouth of a river of fitting seat, this horizontal water channel adopts the buckle closure encapsulation, is shaped on intake pipe and outlet pipe on the horizontal water channel of thermostat one side.
And, be shaped on the cavity stiffening rib on the pressure stabilizing cavity that sheet forms under pressure stabilizing cavity last slice and the pressure stabilizing cavity, all be arranged to flange on intake elbow and the various fitting seat, and end face of flange is provided with seal groove.
And, be provided with stiffening rib in the horizontal water channel of formation cooling pipe.
Advantage of the present invention and beneficial effect are:
1, this intake manifold adopts the plastics manufacturing, for international the first, realize in light weight, manufacturing efficiency is high, with low cost in, also realized pressure stabilizing cavity is carried out integrally casting, reduced cost effectively, improve the whole machining accuracy of intake manifold, strengthened bursting pressure, improved the performance such as power character, Economy, emission performance of petrol engine.
2, this intake manifold can adopt advanced person's friction welding manufacturing technology that the pressure stabilizing cavity last slice that constitutes intake manifold, following sheet, tracheae last slice, following sheet are connected owing to adopting plastic production, connects reliably, and thermal inertia is low.
3, this intake manifold is shaped on a horizontal water channel on sheet under the tracheae above the fitting seat, this horizontal water channel is communicated with the water channel of petrol engine by the made mouth of a river of fitting seat, on the horizontal water channel of thermostat one side, be shaped on intake pipe and outlet pipe, make the water in the horizontal water channel form circulation, make into and out of the gas of air flue and can effectively lower the temperature, improved the cooling performance of petrol engine effectively.
4, this intake manifold has been succeeded in developing plastic air intake manifold of gasoline engine at home first, have advantages such as simple, in light weight, the good flowing properties of processing, thermal inertia are low, gas-flow resistance is little, and intake temperature is lower, charging efficiency obviously improves, and need not to mate again automatical control system; And, adopt the integrally manufactured mode of cooling water channel and pressure stabilizing cavity after, the power character of petrol engine, Economy, emission performance etc. be improved significantly.
Description of drawings
Fig. 1 is a form structure plan view of the present invention;
Fig. 2 attempts for facing upward of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is that the A-A of Fig. 3 is to the structure cutaway view Amplified image;
Fig. 5 is the structural representation of the pressure stabilizing cavity of sheet under the pressure stabilizing cavity of the present invention.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of plastic air intake manifold of gasoline engine, comprise sheet 1 under pressure stabilizing cavity last slice 2, the pressure stabilizing cavity, tracheae 3, tracheae is formed by sheet 10 spiral-locks under tracheae last slice 9, the tracheae, the sheet lower end is shaped on cylinder cap fitting seat 5 under tracheae, sheet one side is shaped on thermostat fitting seat 8 under tracheae, the mutual spiral-lock of sheet and form pressure stabilizing cavity 13 within it (this pressure stabilizing cavity is communicated with formed intake elbow under pressure stabilizing cavity last slice and the pressure stabilizing cavity, do not illustrate owing to the angle problem among the figure), the mutual spiral-lock of sheet and form air flue 11 within it under tracheae last slice and the tracheae, pressure stabilizing cavity is communicated with air flue.
The present invention is that the intake manifold with three air flues is an example in the present embodiment.
Innovative point of the present invention is:
(1) under the pressure stabilizing cavity last slice of this intake manifold, the pressure stabilizing cavity under sheet, tracheae last slice, the tracheae sheet and cylinder cap fitting seat, thermostat fitting seat all adopt plastic production, these plastics are the PA66+30% glass of ethylene glycol resistant.Can adopt advanced friction welding manufacturing technology to carry out connection thus, as the installation connection of sheet under pressure stabilizing cavity last slice among Fig. 2 and the tracheae by being connected pawl 6 etc.
(2) sheet all can adopt the integrally casting mode under the pressure stabilizing cavity last slice of this intake manifold, the pressure stabilizing cavity, referring to Fig. 5, Figure 5 shows that the structural representation of the pressure stabilizing cavity of sheet under the pressure stabilizing cavity.
(3) this intake manifold is shaped on a horizontal water channel 12 on sheet under the tracheae above the cylinder cap fitting seat, referring to Fig. 4, this horizontal water channel is communicated with the water channel of petrol engine by the made mouth of a river 7 of fitting seat, this horizontal water channel adopts buckle closure 4 encapsulation, on the horizontal water channel of thermostat one side, be shaped on intake pipe and outlet pipe (not having label), make the water in the horizontal water channel form circulation.
(4) be shaped on the cavity stiffening rib on the pressure stabilizing cavity that sheet forms under pressure stabilizing cavity last slice and the pressure stabilizing cavity, all be arranged to flange on intake elbow and the various fitting seat, and end face of flange be provided with seal groove.
(5) be provided with stiffening rib in the horizontal water channel of formation cooling pipe, can play the effect of fin herein.
Claims (3)
1. plastic air intake manifold of gasoline engine, comprise sheet, tracheae under pressure stabilizing cavity last slice, the pressure stabilizing cavity, tracheae is formed by sheet spiral-lock under tracheae last slice, the tracheae, the sheet lower end is shaped on the cylinder cap fitting seat under tracheae, sheet one side is shaped on the thermostat fitting seat under tracheae, the mutual spiral-lock of sheet and form pressure stabilizing cavity within it under pressure stabilizing cavity last slice and the pressure stabilizing cavity, the mutual spiral-lock of sheet and form air flue within it under tracheae last slice and the tracheae, pressure stabilizing cavity is communicated with air flue, it is characterized in that:
(1) under each parts pressure stabilizing cavity of intake manifold under sheet, tracheae last slice, the tracheae sheet and cylinder cap fitting seat, thermostat fitting seat all adopt plastic production, these plastics are that the PA66 of ethylene glycol resistant adds 30% glass, need each parts of the intake manifold of connection to adopt friction welding to carry out connection;
(2) sheet all adopts the integrally casting mode under pressure stabilizing cavity last slice, the pressure stabilizing cavity;
(3) this intake manifold is shaped on a horizontal water channel on sheet under the tracheae above the cylinder cap fitting seat, this horizontal water channel is communicated with the water channel of petrol engine by the made mouth of a river of fitting seat, this horizontal water channel adopts the buckle closure encapsulation, is shaped on intake pipe and outlet pipe on the horizontal water channel of thermostat one side.
2. plastic air intake manifold of gasoline engine according to claim 1, it is characterized in that: be shaped on the cavity stiffening rib on the pressure stabilizing cavity that sheet forms under pressure stabilizing cavity last slice and the pressure stabilizing cavity, all be arranged to flange on intake elbow and the various fitting seat, and end face of flange is provided with seal groove.
3. plastic air intake manifold of gasoline engine according to claim 1 is characterized in that: be provided with stiffening rib in the horizontal water channel of formation cooling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910228139A CN101701560A (en) | 2009-11-10 | 2009-11-10 | Plastic air intake manifold of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910228139A CN101701560A (en) | 2009-11-10 | 2009-11-10 | Plastic air intake manifold of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101701560A true CN101701560A (en) | 2010-05-05 |
Family
ID=42156484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910228139A Pending CN101701560A (en) | 2009-11-10 | 2009-11-10 | Plastic air intake manifold of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101701560A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269087A (en) * | 2011-08-29 | 2011-12-07 | 重庆长安汽车股份有限公司 | Plastic intake manifold of engine |
| CN103527360A (en) * | 2013-10-31 | 2014-01-22 | 天津惠德汽车进气系统有限公司 | Plastic diesel air inlet tube with preheating unit |
| CN106870222A (en) * | 2015-12-10 | 2017-06-20 | 北京福田康明斯发动机有限公司 | Inlet manifold and engine |
-
2009
- 2009-11-10 CN CN200910228139A patent/CN101701560A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269087A (en) * | 2011-08-29 | 2011-12-07 | 重庆长安汽车股份有限公司 | Plastic intake manifold of engine |
| CN103527360A (en) * | 2013-10-31 | 2014-01-22 | 天津惠德汽车进气系统有限公司 | Plastic diesel air inlet tube with preheating unit |
| CN106870222A (en) * | 2015-12-10 | 2017-06-20 | 北京福田康明斯发动机有限公司 | Inlet manifold and engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102686862B (en) | For the cylinder head of internal-combustion engine | |
| CN209212376U (en) | Supercharged direct-injection engine air intake duct | |
| CN101701560A (en) | Plastic air intake manifold of gasoline engine | |
| CN101586921B (en) | Heat exchanger | |
| CN207847824U (en) | A supercharged direct-injection engine plastic air intake manifold | |
| CN103711625A (en) | Turbo supercharged engine intake manifold of integrated intercooler | |
| CN203742761U (en) | Intercooling system | |
| CN201588715U (en) | Plastic air intake manifold of gasoline engine | |
| CN201723320U (en) | Gasoline engine cylinder cap with function of intensively cooling high-temperature position of nose-bridge zone | |
| CN205243663U (en) | Cylinder head | |
| CN202280547U (en) | Plastic intake manifold of motorcycle engine | |
| CN205370717U (en) | Heat radiation structure of petrol variable -frequency generator cylinder end and silencer | |
| CN212508505U (en) | Water-cooling exhaust pipe device of multi-cylinder diesel engine | |
| CN206592187U (en) | A kind of heat collector reclaimed suitable for tail gas thermoelectricity | |
| CN102494038A (en) | Rapid cooling device for furnace delivery roller bed bearing block on hot-rolled strip steel production line | |
| CN209494617U (en) | A kind of water-proof exhaust pipe | |
| CN201236749Y (en) | Air inlet flue of engine cylinder cap | |
| CN202768132U (en) | Double channel changeable exhaust manifold with three valves | |
| CN201522209U (en) | Heat exchanger | |
| CN205805787U (en) | A kind of inlet manifold being integrated with charge air cooler | |
| CN205532820U (en) | Exhaust pipe | |
| CN205260176U (en) | Float volume air intake manifold for turbocharged | |
| CN203271968U (en) | Gasoline engine plastic intake manifold provided with water channel | |
| CN214035846U (en) | Exhaust pipe structure, engine and vehicle | |
| CN108397313A (en) | A kind of natural aspiration gasoline engine egr system and engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100505 |