CN208502920U - A kind of plastic air intake manifold of losing heart for turbocharged engine - Google Patents
A kind of plastic air intake manifold of losing heart for turbocharged engine Download PDFInfo
- Publication number
- CN208502920U CN208502920U CN201821135324.6U CN201821135324U CN208502920U CN 208502920 U CN208502920 U CN 208502920U CN 201821135324 U CN201821135324 U CN 201821135324U CN 208502920 U CN208502920 U CN 208502920U
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- air intake
- pressure stabilizing
- stabilizing cavity
- inlet manifold
- manifold
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Abstract
The utility model discloses a kind of plastic air intake manifolds of losing heart for turbocharged engine, the plastic air intake manifold shakes friction welding with bottom sheet by upper piece and forms, the lower on piece is equipped with pressure stabilizing cavity bottom case, inlet manifold bottom semicanal and four parallel two dimension bending air intake branches are connected on pressure stabilizing cavity bottom case, it is described upper piece be equipped with pressure stabilizing cavity upper cover and inlet manifold's upper tube half, upper welding bar and flash groove are equipped with along upper piece edge, the lower welding bar to match with upper welding bar is equipped in bottom sheet, the inlet manifold is connected through variable diameter diffuser with pressure stabilizing cavity, zigzag shape warpage and Y-shaped reinforcing steel are equipped in variable diameter diffuser, the inlet manifold of the plastic air intake manifold and pressure stabilizing cavity interconnecting piece intensity are high, inlet manifold long-time service will not occur snapping phenomenon in the interconnecting piece of inlet manifold and pressure stabilizing cavity, and air-flow production when entering pressure stabilizing cavity Raw noise and with small vibration, engine operation is more stable, vibration is smaller.
Description
Technical field
The utility model relates to a kind of plastics air inlet manifold branch of engine, especially a kind of for the short of turbocharged engine
Airway induction manifold.
Background technique
Plastics air inlet manifold branch of engine is with light-weight, airway surface is highly polished, gas-flow resistance is small, is easy to moulding, life
The advantages that at low cost is produced, is widely used on various fuel engines.Turbocharged engine is usual in order to improve intake efficiency
Need the short airway induction manifold shorter using air intake branch length.104279093 A of CN discloses a kind of petrol engine
Plastic air intake manifold air flue, it is long which overcomes existing inlet manifold air flue, influences intake efficiency and pressure stabilizing
Chamber is easy that pressure stabilizing cavity is made to cause turbulent flow, keeps the intake uniformity of 4 branch pipe air flues poor, crushing in space structure symmetrically
It greatly, is in asymmetrical irregular shape, branch pipe using pressure stabilizing cavity thus the problem of influencing the dynamic property and emission performance of engine
The air flow inlet of air flue is directly connected with pressure stabilizing cavity upper wall, and defines the length of each air flue, has air flue short, both reduces gas
The occupied space in road, and gas-flow resistance is reduced, intake uniformity is good, and crushing is small, is conducive to the dynamic property for improving engine
The advantages that energy.But since turbocharged engine in turbine intervenes the air that state and non-intervention state enter inlet manifold
The temperature difference is larger, and this difference variation will lead to inlet manifold and small expansion or shrinkage occurs, and plastic air intake manifold is anti-for a long time
Compound expansion or contraction, in addition vibration when engine behavior, the interconnecting piece that will lead to inlet manifold and pressure stabilizing cavity snaps, from
And entire plastic air intake manifold is caused to be scrapped.Also, the air pressure under turbine intervention state into inlet manifold is larger, because
This, will lead to the pressure generating period fluctuation of pressure stabilizing cavity, this pressure wave when air is assigned to each cylinder of engine from pressure stabilizing cavity
It is dynamic that the interconnecting piece of inlet manifold and pressure stabilizing cavity is also easy to cause to snap.In addition, when engine operation exception, for example start
Machine tempering phenomenon, the welding stability and crushing resistance of inlet manifold can reduce the explosion probability of inlet manifold, and improving engine makes
Safety.
Utility model content
Utility model technical problems to be solved are: providing a kind of plastic inlet of losing heart for turbocharged engine
Manifold, the inlet manifold of the plastic air intake manifold and pressure stabilizing cavity interconnecting piece intensity are high, and inlet manifold long-time service will not be in air inlet
The interconnecting piece of general pipeline and pressure stabilizing cavity occurs snapping phenomenon, and air-flow enters the noise generated when pressure stabilizing cavity and with small vibration, engine
Run it is more stable, vibration it is smaller.
A kind of technical solution adopted for solving the technical problem: plastic inlet discrimination of losing heart for turbocharged engine
Pipe, the plastic air intake manifold shake friction welding with bottom sheet by upper piece and form, and the lower on piece is equipped with pressure stabilizing cavity bottom case, steady
Inlet manifold bottom semicanal and four parallel two dimension bending air intake branches are connected on pressure bottom of chamber shell, at the end of inlet manifold bottom semicanal
Portion is equipped with inlet flange, is equipped in the end of air intake branch and four air intake branches are connected to integral engine connecting flange,
It is described upper piece be equipped with pressure stabilizing cavity upper cover and inlet manifold's upper tube half, upper welding bar and flash groove are equipped with along upper piece edge, in bottom sheet
Equipped with the lower welding bar to match with upper welding bar, the inlet manifold is connected through variable diameter diffuser with pressure stabilizing cavity, the change
The diameter diffuser upper half is taper semicanal, lower half is arc loudspeaker semicanal, and the corresponding welding muscle portion of taper semicanal has several words
Shape warpage, the corresponding welding muscle portion of arc loudspeaker semicanal have Y-shaped reinforcing steel.
Improvement as the utility model: the pressure stabilizing cavity is special-shaped pressure stabilizing cavity, and pressure stabilizing cavity is in pressure stabilizing cavity bottom case and pressure stabilizing
Internal periphery on chamber upper cover faying face shrinks upper wall by straight line lower wall, arc end wall, straight line and straight line diffusion upper wall surrounds, straight line
The connecting portion of contraction upper wall and straight line diffusion upper wall is between the first air intake branch and the second air intake branch, in straight line contraction
The interconnecting piece of wall and straight line diffusion upper wall is equipped with transition arcwall.
Further improvement as the utility model: grid reinforcing rib is equipped in the outer wall of plastic air intake manifold.
Further improvement as the utility model: a canister adapter tube and one are equipped in pressure stabilizing cavity bottom case outer wall
PVC valve adapter tube, two adapter tube between there are two back to arc protective partition.
The utility model has the advantages that the plastic air intake manifold of losing heart for turbocharged engine of the utility model, due to using
The plastic air intake manifold by upper piece and bottom sheet vibration friction welding form, the lower on piece is equipped with pressure stabilizing cavity bottom case, steady
Inlet manifold bottom semicanal and four parallel two dimension bending air intake branches are connected on pressure bottom of chamber shell, at the end of inlet manifold bottom semicanal
Portion is equipped with inlet flange, is equipped in the end of air intake branch and four air intake branches are connected to integral engine connecting flange,
It is described upper piece be equipped with pressure stabilizing cavity upper cover and inlet manifold's upper tube half, upper welding bar and flash groove are equipped with along upper piece edge, in bottom sheet
Equipped with the lower welding bar to match with upper welding bar, the inlet manifold is connected through variable diameter diffuser with pressure stabilizing cavity, the change
The diameter diffuser upper half is taper semicanal, lower half is arc loudspeaker semicanal, and the corresponding welding muscle portion of taper semicanal has several words
Shape warpage, the corresponding welding muscle portion of arc loudspeaker semicanal has the technical solution of Y-shaped reinforcing steel, by inlet manifold and surely
The welding bar and Y-shaped reinforcing steel for pressing the interconnecting piece setting zigzag shape warpage of chamber, increase the weld strength in the portion, overcome existing
There is the short airway induction manifold in technology to be easy the defect snapped in the interconnecting piece of inlet manifold and pressure stabilizing cavity, and uses several words
The welding bar and Y-shaped reinforcing steel of shape warpage not will increase the width of welding bar while increasing local welding intensity, make whole
The width of welding bar is consistent, therefore, in the welding process without changing welding parameter, and the welding bar of zigzag shape warpage
It will not influence the welding effect at other positions with Y-shaped reinforcing steel.In addition, using taper semicanal and arc loudspeaker in variable diameter diffuser
The structure that semicanal combines can be effectively reduced air-flow and enter the noise generated when pressure stabilizing cavity and vibration, make the operation of engine
More stable, noise and vibration are smaller.Due to using the pressure stabilizing cavity as special-shaped pressure stabilizing cavity, pressure stabilizing cavity is in pressure stabilizing cavity bottom case and surely
Internal periphery on pressure chamber upper cover faying face shrinks upper wall by straight line lower wall, arc end wall, straight line and straight line diffusion upper wall surrounds, directly
The connecting portion of linear shrinkage upper wall and straight line diffusion upper wall is shunk between the first air intake branch and the second air intake branch in straight line
The interconnecting piece of upper wall and straight line diffusion upper wall is equipped with the technical characteristic of transition arcwall, makes the pressure into the air of each air intake branch
Power, flow velocity difference are smaller, and each cylinder duty parameter consistency of engine is more preferable, and the operation of engine is more stable, and power output is more equal
It is even.The technical characteristic for being equipped with grid reinforcing rib due to using the outer wall in plastic air intake manifold, further increases air inlet discrimination
The bearing capacity of pipe can satisfy the plastic air intake manifold of losing heart for turbocharged engine of the utility model bigger
The engine charge requirement of compression ratio.A canister adapter tube and a PVC valve are equipped in pressure stabilizing cavity bottom case outer wall due to using
Adapter tube, two adapter tube between there are two back to arc protective partition technical characteristic, but in engine cabin pipeline arrangement
It is more regular, and it is possible to prevente effectively from canister adapter tube or PVC valve adapter tube are installed or injure adjacent adapter tube when disassembling.
Detailed description of the invention
With reference to the accompanying drawing to the plastic air intake manifold of losing heart for turbocharged engine of the utility model make into
The detailed description of one step.
Fig. 1 is the plastic air intake manifold bottom sheet inner wall structure of losing heart for turbocharged engine of the utility model
Schematic diagram；
Fig. 2 is the plastic air intake manifold bottom sheet outside wall surface structure of losing heart for turbocharged engine of the utility model
Schematic diagram；
Fig. 3 is the plastic air intake manifold upper piece inner wall structure of losing heart for turbocharged engine of the utility model
Schematic diagram.
Specific embodiment
The plastic air intake manifold of losing heart for turbocharged engine of the utility model, the plastic air intake manifold by
Upper piece and bottom sheet vibration friction welding form.
As shown in figure 3, it is described upper piece II be equipped with pressure stabilizing cavity upper cover 24 and inlet manifold's upper tube half 23, be equipped with along upper piece edge
Upper welding bar 26 and flash groove 25.
As shown in Figure 1, the bottom sheet I is equipped with pressure stabilizing cavity bottom case 3,11 bottom of inlet manifold half is connected on pressure stabilizing cavity bottom case
The two dimension bending air intake branch parallel with four of pipe 9, air intake branch are followed successively by the first air intake branch 17, the from inlet manifold side
Two air intake branches 16, third air intake branch 15 and the 4th air intake branch 14, at inlet manifold bottom, the end of semicanal is equipped with air inlet method
Orchid 10 is equipped in the end of air intake branch and four air intake branches is connected to integral engine connecting flange 13, sets in bottom sheet
There is the lower welding bar 1 to match with upper welding bar, the inlet manifold is connected through variable diameter diffuser with pressure stabilizing cavity, the variable diameter
The diffuser upper half is taper semicanal 7, lower half is arc loudspeaker semicanal 6, and the corresponding welding muscle portion of taper semicanal has several words
Shape warpage 8, the corresponding welding muscle portion of arc loudspeaker semicanal have Y-shaped reinforcing steel, and the Y-shaped reinforcing steel is by closed ring
The only welding bar 12 that shape welding bar branches out inwardly.
As shown in Figure 1, the pressure stabilizing cavity is special-shaped pressure stabilizing cavity, pressure stabilizing cavity is in pressure stabilizing cavity bottom case and pressure stabilizing cavity upper cover faying face
On Internal periphery by straight line lower wall 18, arc end wall 27, straight line shrink upper wall 2 and straight line diffusion upper wall 5 surround, straight line shrink on
The connecting portion of wall and straight line diffusion upper wall is between the first air intake branch and the second air intake branch, in straight line contraction upper wall and directly
The interconnecting piece that line spreads upper wall is equipped with transition arcwall 4.
As shown in Fig. 2, the outer wall in plastic air intake manifold is equipped with grid reinforcing rib 22, one is equipped in pressure stabilizing cavity bottom case outer wall
A canister adapter tube 19 and a PVC valve adapter tube 21, two adapter tube between there are two back to arc protective partition 20.
Claims (4)
1. a kind of plastic air intake manifold of losing heart for turbocharged engine, the plastic air intake manifold is by upper piece and bottom sheet
Vibration friction welding forms, it is characterized in that: the lower on piece is equipped with pressure stabilizing cavity bottom case, is connected to inlet manifold on pressure stabilizing cavity bottom case
Bottom semicanal and four parallel two dimension bending air intake branches, at inlet manifold bottom, the end of semicanal is equipped with inlet flange, in air inlet
The end of branch pipe is equipped with and four air intake branches connects to integral engine connecting flange, it is described upper piece be equipped with pressure stabilizing cavity upper cover
With inlet manifold's upper tube half, it is equipped with upper welding bar and flash groove along upper piece edge, is equipped in bottom sheet and matches with upper welding bar
Lower welding bar, the inlet manifold are connected through variable diameter diffuser with pressure stabilizing cavity, and the variable diameter diffuser upper half is taper half
Pipe, lower half are arc loudspeaker semicanal, and the corresponding welding muscle portion of taper semicanal has zigzag shape warpage, and arc loudspeaker semicanal is corresponding
Welding muscle portion have Y-shaped reinforcing steel.
2. the plastic air intake manifold of losing heart according to claim 1 for turbocharged engine, it is characterized in that: described
Pressure stabilizing cavity is special-shaped pressure stabilizing cavity, Internal periphery of the pressure stabilizing cavity on pressure stabilizing cavity bottom case and pressure stabilizing cavity upper cover faying face by straight line lower wall,
Arc end wall, straight line shrink upper wall and straight line diffusion upper wall surrounds, and straight line shrinks the connecting portion of upper wall and straight line diffusion upper wall
Between the first air intake branch and the second air intake branch, transition is equipped in the interconnecting piece that straight line shrinks upper wall and straight line diffusion upper wall
Arcwall.
3. the plastic air intake manifold of losing heart according to claim 1 or 2 for turbocharged engine, it is characterized in that:
Grid reinforcing rib is equipped in the outer wall of plastic air intake manifold.
4. the plastic air intake manifold of losing heart according to claim 3 for turbocharged engine, it is characterized in that: steady
Press shell outer wall in bottom of chamber to be equipped with canister adapter tube and a PVC valve adapter tube, between two adapter tubes there are two back to arc protection
Partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135324.6U CN208502920U (en) | 2018-07-18 | 2018-07-18 | A kind of plastic air intake manifold of losing heart for turbocharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135324.6U CN208502920U (en) | 2018-07-18 | 2018-07-18 | A kind of plastic air intake manifold of losing heart for turbocharged engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502920U true CN208502920U (en) | 2019-02-15 |
Family
ID=65289415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821135324.6U Expired - Fee Related CN208502920U (en) | 2018-07-18 | 2018-07-18 | A kind of plastic air intake manifold of losing heart for turbocharged engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425117A (en) * | 2019-08-08 | 2019-11-08 | 威銤(苏州)智能科技有限公司 | A kind of plastic pneumatic conversion chamber and its processing method |
| CN114060187A (en) * | 2020-08-10 | 2022-02-18 | 长城汽车股份有限公司 | Engine air inlet structure |
-
2018
- 2018-07-18 CN CN201821135324.6U patent/CN208502920U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425117A (en) * | 2019-08-08 | 2019-11-08 | 威銤(苏州)智能科技有限公司 | A kind of plastic pneumatic conversion chamber and its processing method |
| CN114060187A (en) * | 2020-08-10 | 2022-02-18 | 长城汽车股份有限公司 | Engine air inlet structure |
| CN114060187B (en) * | 2020-08-10 | 2023-01-17 | 长城汽车股份有限公司 | Engine air inlet structure |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |