CN205172775U

CN205172775U - Integrated form engine air intake system

Info

Publication number: CN205172775U
Application number: CN201521021390.7U
Authority: CN
Inventors: 段伟; 况原宏
Original assignee: Chongqing Sokon Industry Group Co Ltd
Current assignee: Chongqing Sokon Industry Group Co Ltd
Priority date: 2015-12-09
Filing date: 2015-12-09
Publication date: 2016-04-20
Anticipated expiration: 2025-12-09

Abstract

The utility model discloses an integrated form engine air intake system, including turbo charger, intake pipe, electronic throttle and the air intake manifold who connects in order, air intake manifold includes air intake manifold body and intercooler, this internal intake duct, cooling chamber and gas off -take of being equipped with of air intake manifold, the gas off -take is a plurality of and equal by freezing chamber communicates with each other with the intake duct, intercooler fixed mounting is in cooling off the intracavity, be equipped with the guide plate that is used for air current directed forced oil cooling intracavity in the intake duct, the utility model discloses an integrated form engine air intake system makes each cylinder body of each gas off -take and engine admit air evenly, improves the cooling effect to the air, and increase air density improves the effective output power and the moment of torsion of engine, avoids causing that engine work is rough, noise at work big, each problem that jar work is inhomogeneous, engine life shortens.

Description

Integrated engine gas handling system

Technical field

The utility model relates to a kind of integrated engine gas handling system.

Background technique

Along with the development of China's automobile industry, its Abgasgesetz, fuel economy and travelling comfort more and more come into one's own, supercharging for this reason, the application of the technology such as in-cylinder direct injection on petrol engine is more and more extensive, when air its temperature after compressor pressure can significantly raise, for improving the air density after supercharging further, suppress the generation of pinking simultaneously, need cooling equipment, air is cooled, therefore rationalization's engine charge, raising motor each cylinder intake uniformity and air density just seem particularly important, the each cylinder air inlet uniformity of motor is the important prerequisite realizing engine stabilizer work.Intake manifold is as the air inlet system of motor, the cylinder body of the corresponding motor of air outlet channel arranges multiple, and mostly be linear array, in order to conserve space, the intake duct trend of usual intake manifold is parallel with the orientation of air outlet channel, therefore air is entered the transformation that there is the flow direction in the process of air outlet channel by intake duct, affect the intake uniformity of each air outlet channel, traditional intake manifold and intercooler are independently arranged each other, cooling effect is poor, control density is low, affect effective output and the moment of torsion of motor greatly, also cause engine operation rough, operating noise is large, each cylinder working is uneven, the problems such as engine life shortening.

Model utility content

In view of this, the purpose of this utility model is to provide a kind of integrated engine gas handling system, make each cylinder body air inlet uniformity of each air outlet channel and motor, improve the cooling effect to air, increase air density, improve effective output and the moment of torsion of motor, avoid causing the problem that engine operation is rough, operating noise is large, each cylinder working is uneven, engine life shortens.

Integrated engine gas handling system of the present utility model, comprises the turbosupercharger, suction tude, electronic throttle and the intake manifold that are linked in sequence; Described intake manifold comprises intake manifold body and intercooler; Intake duct, cooling chamber and air outlet channel is provided with in described intake manifold body; Described air outlet channel is multiple and is all communicated with intake duct by cooling chamber; Described intercooler is fixedly installed in cooling chamber; Be provided with for by the guide plate in air-flow Directed cooling chamber in described intake duct.

Further, described turbosupercharger comprises turbo machine, intermediate, gas compressor and final controlling element; Described turbo machine is connected with gas compressor by intermediate; Described final controlling element is installed on gas compressor, and the output terminal of final controlling element is connected to the exhaust gas by-pass valve of turbo machine for controlling the aperture of exhaust gas by-pass valve by push rod; The relief opening of described gas compressor is connected to the suction port of intake manifold by suction tude and electronic throttle.

Further, described cooling chamber is rectangular cavity; Described intake duct and air outlet channel are respectively in the wide to both sides of cooling chamber.

Further, described guide plate is the arc plate of the curving to cooling chamber place; Described guide plate is two, and two guide plates are along cooling chamber length to arrangement.

Further, described guide plate and this body by integral forming of intake manifold; Described intercooler is fixed on the open-mouth of cooling chamber by fastening piece.

Further, described final controlling element is electric actuator.

Further, the air inlet Decompression valves of described gas compressor and the split type setting of gas compressor.

Further, described turbo machine is fixedly connected on intermediate by snap ring.

Further, described push rod comprises driving lever, follower lever, Compress Spring and extension spring; Described driving lever and follower lever are slidably matched along himself length to single-degree-of-freedom; Described Compress Spring is connected to the elastic force for providing push rod to stretch between driving lever and follower lever; Described extension spring is connected to the elastic force for providing push rod to shrink between driving lever and follower lever.

The beneficial effects of the utility model are: integrated engine gas handling system of the present utility model, make each cylinder body air inlet uniformity of each air outlet channel and motor, improve the cooling effect to air, increase air density, improve effective output and the moment of torsion of motor, avoid causing the problem that engine operation is rough, operating noise is large, each cylinder working is uneven, engine life shortens.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is intake manifold body structure schematic diagram;

Fig. 3 is push rod partial view;

Fig. 4 is the A-A sectional view of Fig. 3.

Embodiment

Fig. 1 is structural representation of the present utility model, Fig. 2 is intake manifold body structure schematic diagram, Fig. 3 is push rod partial view, Fig. 4 is the A-A sectional view of Fig. 3, Fig. 3 is the A-A sectional view of Fig. 2, as shown in the figure: the integrated engine gas handling system of the present embodiment, the turbosupercharger 1, suction tude 2, electronic throttle 3 and the intake manifold 4 that are linked in sequence is comprised, described intake manifold 4 comprises intake manifold body 5 and intercooler 6, intake duct 7, cooling chamber 8 and air outlet channel 9 is provided with in described intake manifold body 5, described air outlet channel 9 is multiple and is all communicated with intake duct 7 by cooling chamber 8, described intercooler 6 is fixedly installed in cooling chamber 8, be provided with for by the guide plate 10 in air-flow Directed cooling chamber 8 in described intake duct 7, the air in intake duct 7 is made evenly to enter in cooling chamber 8 by guide plate 10, intercooler 6 is located in cooling chamber 8 and is made it to become one with intake manifold body 5, therefore air enters each air outlet channel 9 after fully being cooled by intercooler 6 in cooling chamber 8, good cooling results, air density is large, and each air outlet channel 9 and cooling chamber 8 are just to setting, therefore the effect of each cylinder body air inlet uniformity making each air outlet channel 9 and motor is reached, improve effective output and the moment of torsion of motor, avoid causing engine operation rough, operating noise is large, each cylinder working is uneven, the problem that engine life shortens, turbosupercharging and intake manifold 4 parts and intercooler 6 component integration is adopted to design, with tradition independently intake manifold 4 compared with intercooler 6, not only shorten the distance between turbosupercharger 1 and intake manifold 4, decrease the pressure loss of air, and air directly enters in cylinder after intercooler 6, decrease the phenomenon of air turbulence, make air inlet more even.

In the present embodiment, described turbosupercharger 1 comprises turbo machine 11, intermediate 12, gas compressor 13 and final controlling element 14; Described turbo machine 11 is connected with gas compressor 13 by intermediate 12; Described final controlling element 14 is installed on gas compressor 13, and the output terminal of final controlling element 14 is connected to the exhaust gas by-pass valve of turbo machine 11 for controlling the aperture of exhaust gas by-pass valve by push rod 15; The relief opening of described gas compressor 13 is connected to the suction port of intake manifold 4 by suction tude 2 and electronic throttle 3; Described final controlling element 14 is electric actuator; The air inlet Decompression valves of described gas compressor 13 and the split type setting of gas compressor 13; Turbosupercharger 1 can utilize the energy of engine exhaust, contract air pressure infeed motor, in order to improve charge density, to increase air inflow, improve to make the power of motor, moment of torsion increases, and improves the thermal efficiency of motor, reduces rate of fuel consumption, reduce exhaust contaminant and noise, increase the specific power of motor; Along with the requirement of people to engine consumption is more and more higher and more and more pay attention to environment, increasing motor have employed turbosupercharger 1 to reduce oil consumption and to improve discharge, the final controlling element 14 of the exhaust gas by-pass valve of current turbosupercharger 1 is the gas control final controlling element 14 adopted, reaction velocity is slow, control poor accuracy, affect the efficiency of turbosupercharger 1 and the performance of motor; And the gas compressor 13 of air inlet Decompression valves and turbosupercharger 1 is integrated as a whole, cannot realize closure by demarcation and close thus replace air inlet Decompression valves evening, the cost of motor is high; Adopt electric actuator to control the aperture of exhaust gas by-pass valve in the present embodiment, there is reaction velocity faster, and control more accurate, improve the efficiency of turbosupercharger 1, thus improve the performance of motor, reduce the oil consumption of motor; Air inlet Decompression valves is connected with gas compressor 13 is split type, can realize closure and closes thus replace air inlet Decompression valves evening, and then reduce the cost of motor by demarcation.

In the present embodiment, described cooling chamber 8 is rectangular cavity; Described intake duct 7 and air outlet channel 9 are respectively in the wide to both sides of cooling chamber 8; Compact structure, space availability ratio is high, is beneficial to reduction overall engine volume, economizes on material, weight reduction.

In the present embodiment, described guide plate 10 is the arc plate of the curving to cooling chamber 8 place, described guide plate 10 is two, and two guide plates 10 are long to arrangement along cooling chamber 8, guide plate 10 is arranged in intake duct 7 outlet port, cooling chamber 8 is provided with the uncovered of a rectangle, the plane orthogonal at guide plate 10 and the uncovered place of cooling chamber 8, the length of guide plate 10 is fixed on intake duct 7 inwall to two ends, the wide of guide plate 10 all leaves gap between both sides edge and intake duct 7 inwall, make partial air under the effect of guide plate 10 in Directed cooling chamber 8, and the wide partial air to both sides of corresponding guide plate 10 still flows along intake duct 7 inwall, with compared with whole for guide plate 10 structure being close to intake duct 7 inwall, little to the obstruction of air, intake uniformity is better, and reinforing function can be played to intake duct 7 structure, improve the structural strength of intake duct 7, reduce rate of fault, adopt arc plate structure, reduce further the obstruction to air, reasonably the radian of design guide plate 10 can improve the accuracy of air-flow guiding simultaneously, improves intake uniformity further.

In the present embodiment, described guide plate 10 is one-body molded with intake manifold body 5; Described intercooler 6 is fixed on the open-mouth of cooling chamber 8 by fastening piece, save assembly cost, structural strength is high, is convenient to shaping; What intercooler 6 was detachable is installed on intake manifold body 5, is sealed and matched therebetween, is convenient to maintenance and the replacing of intercooler 6.

In the present embodiment, described turbo machine 11 is fixedly connected on intermediate 12 by snap ring 16; Easy to assembly, linkage structure intensity is high, good stability.

In the present embodiment, described push rod 15 comprises driving lever 17, follower lever 18, Compress Spring 19 and extension spring 20; Described driving lever 17 and follower lever 18 are slidably matched along himself length to single-degree-of-freedom; Described Compress Spring 19 is connected to the elastic force for providing push rod 15 to stretch between driving lever 17 and follower lever 18; Described extension spring 20 is connected to the elastic force for providing push rod 15 to shrink between driving lever 17 and follower lever 18; Driving lever 17 and follower lever 18 keep balance under the acting in conjunction of Compress Spring 19 and extension spring 20; the action that final controlling element 14 sends can be cushioned during work, reduce percussion, exhaust gas by-pass valve is played a protective role; reduce rate of fault, save operation and maintenance cost.

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

1. an integrated engine gas handling system, is characterized in that: comprise the turbosupercharger, suction tude, electronic throttle and the intake manifold that are linked in sequence; Described intake manifold comprises intake manifold body and intercooler; Intake duct, cooling chamber and air outlet channel is provided with in described intake manifold body; Described air outlet channel is multiple and is all communicated with intake duct by cooling chamber; Described intercooler is fixedly installed in cooling chamber; Be provided with for by the guide plate in air-flow Directed cooling chamber in described intake duct.

2. integrated engine gas handling system according to claim 1, is characterized in that: described turbosupercharger comprises turbo machine, intermediate, gas compressor and final controlling element; Described turbo machine is connected with gas compressor by intermediate; Described final controlling element is installed on gas compressor, and the output terminal of final controlling element is connected to the exhaust gas by-pass valve of turbo machine for controlling the aperture of exhaust gas by-pass valve by push rod; The relief opening of described gas compressor is connected to the suction port of intake manifold by suction tude and electronic throttle.

3. integrated engine gas handling system according to claim 2, is characterized in that: described cooling chamber is rectangular cavity; Described intake duct and air outlet channel are respectively in the wide to both sides of cooling chamber.

4. integrated engine gas handling system according to claim 3, is characterized in that: described guide plate is the arc plate of the curving to cooling chamber place; Described guide plate is two, and two guide plates are along cooling chamber length to arrangement.

5. integrated engine gas handling system according to claim 4, is characterized in that: described guide plate and this body by integral forming of intake manifold; Described intercooler is fixed on the open-mouth of cooling chamber by fastening piece.

6. integrated engine gas handling system according to claim 2, is characterized in that: described final controlling element is electric actuator.

7. integrated engine gas handling system according to claim 2, is characterized in that: the air inlet Decompression valves of described gas compressor and the split type setting of gas compressor.

8. integrated engine gas handling system according to claim 2, is characterized in that: described turbo machine is fixedly connected on intermediate by snap ring.

9. integrated engine gas handling system according to claim 2, is characterized in that: described push rod comprises driving lever, follower lever, Compress Spring and extension spring; Described driving lever and follower lever are slidably matched along himself length to single-degree-of-freedom; Described Compress Spring is connected to the elastic force for providing push rod to stretch between driving lever and follower lever; Described extension spring is connected to the elastic force for providing push rod to shrink between driving lever and follower lever.