CN203809167U - Variable air inlet system of gasoline engine - Google Patents
Variable air inlet system of gasoline engine Download PDFInfo
- Publication number
- CN203809167U CN203809167U CN201420213522.5U CN201420213522U CN203809167U CN 203809167 U CN203809167 U CN 203809167U CN 201420213522 U CN201420213522 U CN 201420213522U CN 203809167 U CN203809167 U CN 203809167U
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- cylinder
- opening
- roller
- intake manifold
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Abstract
The utility model discloses a variable air inlet system of a gasoline engine. The problems that in the prior art, a roller cavity, a vacuum cavity and a pressure stabilization cavity are vertically arranged in parallel, the occupied space is large, and a roller runs unstably are solved. The variable air inlet system is characterized in that four roller upper portion circulation through holes and four roller side portion circulation through holes are formed in a roller in the axial direction, the roller is installed inside an air inlet manifold assembly through a bearing, the roller is connected with a vacuum executer through a left roller shaft, a vacuum cavity and a roller installation cavity are arranged in the lower portion of the pressure stabilization cavity, four pressure stabilization cavity lower wall circulation through holes corresponding to the four roller upper portion circulation through holes in the roller are formed in the lower wall of the pressure stabilization cavity, and four air inlet manifold middle piece side wall circulation through holes corresponding to the four roller side portion circulation through holes in the roller are formed in the side wall of a middle piece of the air inlet manifold. The variable air inlet system of the gasoline engine has the advantages that the space is saved, the space occupied by the variable manifold is smaller, assembly of the whole engine is facilitated, and the roller runs more stably.
Description
Technical field
The utility model belongs to automotive engine air intake system technical field, particularly a kind of petrolic variable volume intake system of natural inflow of rotating to switch air inlet airway length by cylinder.
Background technique
From reaching the object of improving motor Economy and power character, require motor at high rotating speed, while loading greatly the shorter intake manifold of adapted; The intake manifold that adapted is grown under the slow-speed of revolution and little load, and in the petrol engine of traditional natural inflow, longer intake manifold low speed and large torque, high-speed, low-power; Shorter intake manifold is just in time contrary, the little moment of torsion of low speed, high-speed high-power, so, traditional natural inflow gasoline engine intake system can only meet a kind of advantage, existing intake manifold as shown in Figures 2 and 3 by upper slice 01, middle 02 and lower 03 welding form an entirety, on middle 02, be provided with pressure stabilizing cavity 04, in space below outside pressure stabilizing cavity 04 chamber, be provided with and strengthen horizontal bar 05 and strengthen vertical muscle 06, so only have pressure stabilizing cavity 04 this cavity in intake manifold, the effect of variable air inlet can not be realized, a kind of advantage can only be met.And utilize variable intake manifold can reach low speed and large torque, the effect of high-speed high-power.The utility model patent that is 201220422432.8 as application number discloses " a kind of petrolic variable intake manifold ", this model utility is provided with logical losing heart and long air flue connected with each other in the air flue of intake manifold, the suction port of losing heart wherein, is provided with the switch part of losing heart for opening or closing.Described switch position be one can fixed-axis rotation cylinder, on described cylinder, in the direction perpendicular to cylinder axis, be provided with opening; When rotating drum makes the mistake opening on it be undertaken on the suction port of losing heart, lose heart in opening state; When rotating drum makes the mistake opening on it depart from the suction port of losing heart, lose heart and be blocked, in closed condition.Described petrolic variable intake manifold, by the long air flue designing in it and the switching of losing heart, in conjunction with the structural difference design of each air intake branch, can ensure that air inlet is even, improves the performance of motor.But this model utility has only been narrated by Fig. 3 to shown in Fig. 5, after cylinder is installed in intake manifold, by vacuum actor, along arrow direction in its figure, cylinder is rotated.But, by Fig. 3 to shown in Fig. 5, do not have the installation relation between concrete structure and cylinder and the intake manifold that discloses cylinder, mounting structure between cylinder and intake manifold was not both disclosed, also openly do not control the implementation of actuator, so, a just incomplete technological scheme, in addition, this model utility vacuum chamber and pressure stabilizing cavity by upper slice with in form together with lower sheet, cylinder chamber and vacuum chamber, three cavity point upper, middle and lower three rows of pressure stabilizing cavity are arranged in parallel, and take up space larger.Installation relation between known cylinder and intake manifold is the axis hole that is processed with indent at cylinder two ends, is coordinated and installs with relevant axle by this axis hole, and like this, rollers running can be very not steady.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art, provides
onekind of structure is concrete, smooth running, cylinder chamber divide two rows layout with vacuum chamber, three cavitys of pressure stabilizing cavity, and the less petrolic variable volume intake system of natural inflow of rotating to switch air inlet airway length by cylinder takes up space.
The technical solution adopted in the utility model comprises inlet manifold assembly, cylinder, vacuum actor and solenoid valve, described cylinder left end is provided with the left axle of cylinder, described cylinder right-hand member is provided with the right axle of cylinder, on cylinder, be in axial direction provided with that opening is crossed on 4 cylinder tops and 4 cylinder sidepieces are crossed opening, it is α that the angle that opening and cylinder sidepiece cross between opening is crossed on described cylinder top, bearing mounting rotary drum is passed through in inside at described inlet manifold assembly, cylinder is connected with vacuum actor by the left axle of cylinder, in pressure stabilizing cavity bottom is provided with intake manifold, in the left shrouding of sheet and intake manifold, the right shrouding of sheet and dividing plate form vacuum chamber and cylinder installation cavity, on pressure stabilizing cavity lower wall, open with the cylinder top on cylinder cross opening mutually corresponding 4 pressure stabilizing cavity lower walls cross opening, in intake manifold, on sheet sidewall, open and cross sheet sidewall in 4 intake manifold that opening is mutual corresponding with the cylinder sidepiece on cylinder and cross opening.
In described intake manifold, on the right shrouding of sheet, process a bearing mounting base, in this bearing mounting base, bearing is installed, in intake manifold, on the left shrouding of sheet, process a through hole, the right axle of cylinder that the cylinder right-hand member of installing in cylinder installation cavity is provided with and bearing fit are installed, the left axle of cylinder is by the through hole of processing on left shrouding, and the head of the left axle of cylinder that cylinder left end is provided with is that 3/4ths spheroids coordinate installation with the fork ball hole of vacuum actor fork.
It is 120 °～150 ° that the angle [alpha] that opening and cylinder sidepiece cross between opening is crossed on described cylinder top.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model changes the middle sheet of prior art into three chambeies by a chamber, reinforcement horizontal bar and the vertical muscle of reinforcement by pressure stabilizing cavity outer bottom remove, increase in intake manifold in the left shrouding of sheet and intake manifold the right shrouding of sheet and dividing plate and form vacuum chamber and cylinder installation cavity, so the shared space of variable manifold is less, is conducive to the assembling of motor complete machine.
(2) the utility model processes a bearing mounting base owing to adopting in intake manifold on the right shrouding of sheet, in this bearing mounting base, bearing is installed, in intake manifold, on the left shrouding of sheet, process a through hole, the right axle of cylinder that the cylinder right-hand member of installing in cylinder installation cavity is provided with and bearing fit are installed, the head of the left axle of cylinder that cylinder left end is provided with is 3/4ths spheroids, the left axle of cylinder is sealed up the through hole of processing by a left side, head 3/4ths spheroids of the left axle of cylinder coordinate installation with the fork ball hole of vacuum actor, so, rollers running more steady.
(3) variable volume intake system of the present utility model can manipulate by ECU intelligently according to engine speed, has effectively realized the high moment of torsion of low engine speed, the effect of high-speed high-power, thus reach the object of improving motor Economy and power character.
brief description of the drawings
Fig. 1 is the utility model variable volume intake system exploded perspective view;
Fig. 2 is prior art inlet manifold assembly structural representation;
Fig. 3 is chip architecture schematic diagram in prior art intake manifold;
Fig. 4 is chip architecture schematic diagram in the utility model intake manifold;
Fig. 5 is the enlarged view of Fig. 4 N portion in the time losing heart unlatching;
Fig. 6 is the variable intake manifold internal gas flow circulation schematic diagram while unlatching of losing heart;
Fig. 7 is Fig. 4 at the enlarged view of N portion while closing of losing heart;
Fig. 8 is the variable intake manifold internal gas flow circulation schematic diagram while closing of losing heart;
Fig. 9 is sheet assembly structure schematic diagram in the utility model variable intake manifold;
Figure 10 is the C-C cutaway view Amplified image of Fig. 9;
Figure 11 is push rod and the swing rod structure schematic diagram of vacuum actor.
In figure:
01. intake manifold upper slice, sheet in 02. intake manifold,
Sheet sidewall in 02-1. intake manifold, in 02-2. intake manifold, sheet sidewall is crossed opening,
Sheet under 03. air inlet, 04. pressure stabilizing cavity,
04-1. pressure stabilizing cavity lower wall, 04-2. pressure stabilizing cavity lower wall is crossed opening,
05. strengthens horizontal bar, and 06. strengthens vertical muscle,
1. inlet manifold assembly,
2. bearing,
3. cylinder, opening is crossed on 3-1. cylinder top, and 3-2. cylinder sidepiece is crossed opening,
The right axle of 3-3. cylinder, the left axle of 3-4. cylinder, the left shrouding of 3-5. cylinder,
The right shrouding of 3-6. cylinder,
4. vacuum actor, 4-1. fork, 4-2. fork ball hole, 4-3. push rod,
5. solenoid valve,
6. vacuum chamber, 7. dividing plate, 8. cylinder installation cavity
9. lose heart, 10. long air flue
11. closures, the left shrouding of sheet in 12. intake manifold,
The right shrouding of sheet in 13. intake manifold.
Embodiment
As shown in Fig. 1, Fig. 5 and Fig. 7, the utility model comprises inlet manifold assembly 1, cylinder 3, vacuum actor 4 and solenoid valve 5, described cylinder 3 left ends are provided with the left axle 3-4 of cylinder, described cylinder 3 right-hand members are provided with the right axle 3-3 of cylinder, on cylinder 3, be in axial direction provided with that opening 3-1 is crossed on 4 cylinder tops and 4 cylinder sidepieces are crossed opening 3-2, described cylinder top is crossed opening 3-1 and cylinder sidepiece and is crossed angle [alpha] between opening 3-2 within the scope of 120 °～150 °; Bearing 2 mounting rotary drums 3 are passed through in inside at inlet manifold assembly 1, and cylinder 3 is connected with vacuum actor 4 by the left axle 3-4 of cylinder, and solenoid valve 5 is connected with vacuum actor 4; Described vacuum actor 4 comprises fork 4-1, fork ball hole 4-2 and push rod 4-3;
As shown in Figure 2, prior art inlet manifold assembly structure comprises in intake manifold upper slice 01, intake manifold sheet 03 under sheet 02 and air inlet;
As shown in Figure 3, in prior art intake manifold, chip architecture comprises pressure stabilizing cavity 04, and the reinforcement horizontal bar 05 of pressure stabilizing cavity 04 outer bottom and the vertical muscle 06 of reinforcement;
As shown in Fig. 4 and Figure 10, the utility model changes sheet in intake manifold as shown in Figure 3 into three chambeies by a chamber, by the reinforcement horizontal bar 05 of pressure stabilizing cavity 04 outer bottom shown in Fig. 3 with strengthen vertical muscle 06 and remove, increase in intake manifold in the left shrouding 12 of sheet and intake manifold the right shrouding 13 of sheet and dividing plate 7 and form vacuum chamber 6 and cylinder installation cavity 8;
As shown in Fig. 5 and Fig. 7, on pressure stabilizing cavity lower wall 04-1, open with the cylinder top on cylinder 3 cross opening 3-1 mutually corresponding 4 pressure stabilizing cavity lower walls cross opening 04-2, in intake manifold, on sheet sidewall 02-1, open and cross sheet sidewall in 4 intake manifold that opening 3-2 is mutual corresponding with the cylinder sidepiece on cylinder 3 and cross opening 02-2;
As shown in figure 10, in intake manifold, on the right shrouding 13 of sheet, process a bearing mounting base, bearing 2 is installed in this bearing mounting base, in intake manifold, on the left shrouding 12 of sheet, process a through hole, the right axle 3-3 of cylindrical cylinder that cylinder 3 right-hand members of installing in cylinder installation cavity 8 are provided with coordinates installation with bearing 2, the head of the left axle 3-4 of cylinder that cylinder 3 left ends are provided with is 3/4ths spheroids, the left axle 3-4 of cylinder is by the through hole of processing on left shrouding 12, head 3/4ths spheroids of the left axle 3-4 of cylinder coordinate installation with the fork ball hole 4-2 of the fork 4-1 of vacuum actor 4.
When work, when motor is in the time slowly running, as engine speed during lower than 3500r/min, the ECU of motor is to solenoid valve 5 path signal, solenoid valve 5 is received signalizing activity, due to the existence of vacuum chamber 6, make the back cavity of vacuum actor 4 obtain degree of vacuum, the spring force that pressure difference overcomes in vacuum actor 4 promotes push rod 4-3 motion, push rod 4-3 moves up and down, drive fork 4-1 taking fork ball Kong4-2 center as the center of circle, turn an angle taking fork 4-1 as radius, when fork 4-1 swings like this, just can drive and coordinate head 3/4ths spheroids of the left axle 3-4 of cylinder installing to rotate with fork ball hole 4-2, thereby drive cylinder 3 to turn an angle together, make each in cylinder 3 cross opening away from the entrance of losing heart, now, lose heart in closed condition, as shown in Figure 7, like this, air can only enter in the each cylinder of motor from long air flue 10 after closure 11 enters intake manifold, as shown in Figure 8, thereby realize the object of the long air flue of low speed,
When work, when motor is during in high speed rotating, as engine speed during higher than 3500r/min, Engine ECU is sent break signal to solenoid valve 5, solenoid valve 5 is received signalizing activity, back cavity and the atmosphere of vacuum actor 4 are communicated, now, spring reset in vacuum actor 4, spring force pulls the push rod 4-3 in vacuum actor 4, push rod 4-3 drives fork 4-1 to swing, fork 4-1 drives cylinder 3 to turn an angle, make each overcurrent through-hole alignment in cylinder 3 entrance of losing heart, now, lose heart in opening state, as shown in Figure 5, like this, air enters into after intake manifold from closure 11, air will 9 enter in the each cylinder of motor along losing heart, as shown in Figure 6, thereby realize the object of losing heart at a high speed.
By the elaboration of above two kinds of working staties, the described petrolic variable volume intake system of the utility model has realized the object that adopts different length air flues to switch in high speed low speed operating mode.
Claims (3)
1. a petrolic variable volume intake system, comprise inlet manifold assembly (1), cylinder (3), vacuum actor (4) and solenoid valve (5), it is characterized in that, described cylinder (3) left end is provided with the left axle of cylinder (3-4), described cylinder (3) right-hand member is provided with the right axle of cylinder (3-3), on cylinder (3), be in axial direction provided with that opening (3-1) is crossed on 4 cylinder tops and 4 cylinder sidepieces are crossed opening (3-2), it is α that the angle that opening (3-1) and cylinder sidepiece cross between opening (3-2) is crossed on described cylinder top, bearing (2) mounting rotary drum (3) is passed through in inside at described inlet manifold assembly (1), cylinder (3) is connected with vacuum actor (4) by the left axle of cylinder (3-4), in pressure stabilizing cavity (04) bottom is provided with intake manifold, in the left shrouding of sheet (12) and intake manifold, the right shrouding of sheet (13) and dividing plate (7) form vacuum chamber (6) and cylinder installation cavity (8), on pressure stabilizing cavity lower wall (04-1), open with the cylinder top on cylinder (3) cross opening (3-1) mutually corresponding 4 pressure stabilizing cavity lower walls cross opening (04-2), in intake manifold, on sheet sidewall (02-1), open and cross sheet sidewall in 4 intake manifold that opening (3-2) is mutual corresponding with the cylinder sidepiece on cylinder (3) and cross opening (02-2).
2. a kind of petrolic variable volume intake system according to claim 1, it is characterized in that, in described intake manifold, on the right shrouding of sheet (13), process a bearing mounting base, bearing (2) is installed in this bearing mounting base, in intake manifold, on the left shrouding of sheet (12), process a through hole, the right axle of cylinder (3-3) that cylinder (3) right-hand member of installing in cylinder installation cavity (8) is provided with coordinates installation with bearing (2), the left axle of cylinder (3-4) is by the through hole of the upper processing of left shrouding (12), the head of the left axle of cylinder (3-4) that cylinder (3) left end is provided with is that 3/4ths spheroids coordinate installation with the fork ball hole (4-2) of the fork (4-1) of vacuum actor (4).
3. a kind of petrolic variable volume intake system according to claim 1, is characterized in that, it is 120 °～150 ° that the angle [alpha] that opening (3-1) and cylinder sidepiece cross between opening (3-2) is crossed on described cylinder top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213522.5U CN203809167U (en) | 2014-04-29 | 2014-04-29 | Variable air inlet system of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213522.5U CN203809167U (en) | 2014-04-29 | 2014-04-29 | Variable air inlet system of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809167U true CN203809167U (en) | 2014-09-03 |
Family
ID=51447932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213522.5U Withdrawn - After Issue CN203809167U (en) | 2014-04-29 | 2014-04-29 | Variable air inlet system of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953477A (en) * | 2014-04-29 | 2014-07-30 | 沈阳航天新光汽车零部件有限公司 | Variable induction system of petrol engine |
-
2014
- 2014-04-29 CN CN201420213522.5U patent/CN203809167U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953477A (en) * | 2014-04-29 | 2014-07-30 | 沈阳航天新光汽车零部件有限公司 | Variable induction system of petrol engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |