CN217632732U - Plastic air inlet manifold - Google Patents
Plastic air inlet manifold Download PDFInfo
- Publication number
- CN217632732U CN217632732U CN202222224792.3U CN202222224792U CN217632732U CN 217632732 U CN217632732 U CN 217632732U CN 202222224792 U CN202222224792 U CN 202222224792U CN 217632732 U CN217632732 U CN 217632732U
- Authority
- CN
- China
- Prior art keywords
- intake manifold
- pressure stabilizing
- plastic intake
- stabilizing cavity
- block
- 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.)
- Active
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
Images
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastics air intake manifold relates to internal-combustion engine accessory field, technical scheme does, including the inside casing that is the cavity, the casing includes steady voltage chamber portion and pipeline portion, pipeline portion includes a plurality of independent intake pipes, every intake pipe all communicates with steady voltage chamber portion is inside, set up out the gas pocket on the conch wall of steady voltage chamber portion, steady voltage chamber portion is inside to set up a plurality of reinforcements, the reinforcement uses the plane of pipeline portion and steady voltage chamber portion department of linking to each other department with steady voltage chamber portion two inside wall fixed connection relative with steady voltage chamber portion as the reference surface, the projection of reinforcement on the reference surface is located between the intake pipe of pipeline portion. The beneficial effects of the utility model are that, air intake manifold through this scheme structure has higher intensity, combines the reinforcement can effectually improve the intensity of plastics air intake manifold steady voltage chamber portion by a wide margin.
Description
Technical Field
The utility model relates to an internal-combustion engine accessory field specifically is a plastics air intake manifold.
Background
With the development of light weight technology in recent years, more and more internal combustion engines use plastic intake manifolds, and because the working environment of the plastic intake manifolds is generally severe, the plastic intake manifolds generally have high requirements for the reliability of the plastic intake manifolds, mainly reflect requirements for burst pressure, vibration fatigue and pressure pulses, and are generally called requirements for the strength of the plastic intake manifolds in the scheme.
In the traditional method, the plastic intake manifold is assembled among different plastic sheet bodies generally through a plastic friction vibration welding process, a pressure stabilizing cavity structure part of the plastic intake manifold is often the weakest part of the plastic intake manifold in strength, and particularly, the structure of the pressure stabilizing cavity part is lower in relative strength under the conditions of larger volume and flatter shape of the pressure stabilizing cavity.
In the field of diesel engines, the plastic intake manifold needs to meet the stricter working condition environment compared with a gasoline engine and has larger pressure stabilizing cavity volume requirement, so that the requirement on the strength of the plastic intake manifold is higher, and the use requirement is difficult to meet only through the traditional plastic vibration friction welding process method.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a plastic intake manifold solves the not enough problem of plastic intake manifold steady voltage chamber intensity of current structure.
In order to achieve the above purpose, the utility model provides a following technical scheme: a plastic intake manifold comprises a shell with a cavity inside, wherein the shell comprises a pressure stabilizing cavity part and a pipeline part, the pipeline part comprises a plurality of independent intake pipes, each intake pipe is communicated with the inside of the pressure stabilizing cavity part, an air outlet is formed in the wall of the pressure stabilizing cavity part, a plurality of reinforcing parts are arranged in the pressure stabilizing cavity part, and the reinforcing parts are fixedly connected with two opposite inner side walls of the pressure stabilizing cavity part;
the plane at the joint of the pipeline part and the pressure stabilizing cavity part is taken as a reference plane, namely the plane perpendicular to the direction in which the gas in the pipeline part enters the pressure stabilizing cavity is taken as the reference plane, and the projection of the reinforcing piece on the reference plane is positioned between the gas inlet pipes of the pipeline part.
Preferably, the pipe portion includes a connection plate;
one end, far away from the pressure stabilizing cavity part, of each air inlet pipe is fixedly connected with the connecting plate, and through holes are formed in the plate body of the connecting plate corresponding to the air inlet pipes.
Preferably, the shell is formed by buckling two half shells, and the pressure stabilizing cavity part and the pipeline part are formed by buckling two half shells correspondingly.
Preferably, the reinforcement is cylindrical as a whole;
the reinforcing part is divided into two half cylinders with internal control corresponding to the half shells, and the reinforcing part is formed by butting the two half cylinders;
the two half cylinders are respectively fixedly connected with the inner wall of one half shell;
and the two half cylinders are fixedly connected through bolts.
Preferably, end plates are respectively arranged at the opposite ends of the two half cylinders, the end plates are arranged along the radial surfaces of the half cylinders, and through holes are formed in plate bodies of the end plates corresponding to the bolts;
and one side of each of the two half cylinders opposite to the end plate is provided with a welding rib combination.
Preferably, a nut groove is formed in an end plate of one of the half cylinders, a nut is arranged in the nut groove, and the bolt penetrates through the end plate of the other half cylinder and is in threaded connection with the nut.
Preferably, the welding rib combination comprises a male block and a female block, the male block and the female block are both annular block bodies, and one end of the female block facing the male block is provided with an annular slot corresponding to the male block;
the male block and the female block are fixedly connected with an end plate of one half cylinder respectively.
Preferably, an annular groove is formed in the end plate provided with the male block, and the male block is located at the groove bottom of the annular groove;
when the two half cylinders are in butt joint, the female block is positioned in the annular groove.
Preferably, the welding rib combination is also arranged on the edge of the joint of the two half shells;
the edge of one half shell is provided with an annular groove corresponding to the female block on the other half shell.
Preferably, the shell of the half shell is provided with a through hole corresponding to each half cylinder, and the half cylinders and the shell of the half shell are integrally formed.
Preferably, reinforcing ribs are arranged on the outer part of the shell, and the reinforcing ribs on the outer wall of the pressure stabilizing cavity part are distributed in a grid shape;
and the reinforcing ribs on the outer wall of the pipeline part are arranged along the long shaft of the air inlet pipe.
Compared with the prior art, the method has the following beneficial effects: the intake manifold through this scheme structure has higher intensity, combines the reinforcement can effectually improve the intensity of plastics intake manifold steady voltage chamber portion by a wide margin.
The form that has adopted the casing equipment to form realizes improving the effect of whole plastics air intake manifold intensity by a wide margin to when the reinforcement is as inside supporting component, also as bolted connection's carrier, increase the joint strength of two half shells.
Two different reinforcing ribs are added outside the shell, and the strength of the pressure stabilizing cavity part is increased by a grid type welding rib pair.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial enlarged view of B of FIG. 2;
fig. 4 is a partial enlarged view of C of fig. 2.
In the figure:
1. a housing; 11. a pressure-stabilizing chamber section; 12. a pipe section; 121. an air inlet pipe; 122. a connecting plate; 13. an air outlet; 14. a half shell; 3. a reinforcement; 31. half a cylinder; 32. an end plate; 4. a bolt; 41. a nut; 5. welding a rib combination; 51. a male block; 52. a master block; 6. and (5) reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions:
a plastic intake manifold comprises a shell 1 with a cavity inside, wherein the shell 1 comprises a pressure stabilizing cavity part 11 and a pipeline part 12, the pipeline part 12 comprises a plurality of independent intake pipes 121, each intake pipe 121 is communicated with the inside of the pressure stabilizing cavity part 11, an air hole 13 is formed in the shell wall of the pressure stabilizing cavity part 11, a plurality of reinforcing parts 3 are arranged inside the pressure stabilizing cavity part 11, and the reinforcing parts 3 are fixedly connected with two opposite inner side walls of the pressure stabilizing cavity part 11;
the plane at the joint of the pipeline part 12 and the pressure stabilizing cavity part 11 is taken as a reference plane, namely the plane vertical to the direction of the gas in the pipeline part entering the pressure stabilizing cavity is taken as a reference plane, and the projection of the reinforcing piece 3 on the reference plane is positioned between the gas inlet pipes 121 of the pipeline part 12.
The outer part of the shell 1 is provided with reinforcing ribs 6, and the reinforcing ribs on the outer wall of the pressure stabilizing cavity part 11 are distributed in a grid shape;
the ribs on the outer wall of the pipe portion 12 are arranged along the long axis of the intake pipe 121.
The reinforcing part 3 can adopt different forms, such as a column body, a rod body, a plate body and the like which are supported inside the pressure stabilizing cavity part 11, and can play a role in increasing the strength of the outer wall of the pressure stabilizing cavity and prevent the cavity wall of the pressure stabilizing cavity from being broken.
Through this distribution form of reinforcement 3, when obtaining the suggestion of steady voltage chamber intensity, can not form the sheltering from to the air inflow, guarantee the smooth and easy nature of admitting air.
Example 2
On the basis of the above embodiment, the pipe portion 12 includes the connection plate 122;
one end of each air inlet pipe 121 far away from the pressure stabilizing cavity part 11 is fixedly connected with the connecting plate 122, and a through hole corresponding to each air inlet pipe 121 is formed in the plate body of the connecting plate 122.
Example 3
In addition to the above embodiment, the casing 1 is formed by fastening two half shells 14, and the pressure stabilizing chamber portion 11 and the pipeline portion 12 are formed by fastening corresponding to the two half shells 14.
The reinforcement 3 is cylindrical as a whole;
the reinforcing part 3 is divided into two half cylinders 31 with internal control corresponding to the half shells 14, and the reinforcing part 3 is formed by butting the two half cylinders 31;
the two half cylinders 31 are fixedly connected with the inner wall of one half shell 14 respectively;
the two half cylinders 31 are fixedly connected through bolts 4.
the opposite side of the end plate 32 of the two half cylinders 31 is provided with a welding rib combination 5.
A nut groove is formed in the end plate 32 of one half cylinder 31, a nut 41 is arranged in the nut groove, and the bolt 4 penetrates through the end plate 32 of the other half cylinder 31 and is in threaded connection with the nut 41.
The welding rib combination 5 comprises a male block 51 and a female block 52, the male block 51 and the female block 52 are both annular block bodies, and one end of the female block 52 facing the male block 51 is provided with an annular slot corresponding to the male block 51;
the male block 51 and the female block 52 are fixedly connected to the end plate 32 of one half-cylinder 31, respectively.
An annular groove is formed in the end plate 32 provided with the male block 51, and the male block 51 is positioned at the groove bottom of the annular groove;
when the two half-cylinders 31 are butted, the female block 52 is positioned in the annular groove.
The edge of the joint of the two half shells 14 is also provided with a welding rib combination 5;
the edge of one half shell 14 is provided with an annular groove corresponding to the female block 52 on the other half shell 14.
Through holes are formed in the shells of the half shells 14 corresponding to the half cylinders 31, and the half cylinders 31 and the shells of the half shells 14 are integrally formed.
The reinforcing part 3 is used as a main connecting part for improving the strength, the welding rib combination 5 is used as a friction welding joint, and meanwhile, the connecting strength is further improved by the combination bolt 4, the disconnection of the joint of the reinforcing part 3 is avoided, and therefore the pressure stabilizing cavity is ensured to be stable enough when being pressed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A plastic intake manifold comprises a shell (1) with a cavity inside, wherein the shell (1) comprises a pressure stabilizing cavity part (11) and a pipeline part (12), the pipeline part (12) comprises a plurality of independent air inlet pipes (121), each air inlet pipe (121) is communicated with the inside of the pressure stabilizing cavity part (11), and an air hole (13) is formed in the wall of the pressure stabilizing cavity part (11), and the plastic intake manifold is characterized in that a plurality of reinforcing parts (3) are arranged inside the pressure stabilizing cavity part (11), and the reinforcing parts (3) are fixedly connected with two opposite inner side walls of the pressure stabilizing cavity part (11);
and taking the plane where the pipeline part (12) is connected with the pressure stabilizing cavity part (11) as a reference surface, and the projection of the reinforcing piece (3) on the reference surface is positioned between the air inlet pipes (121) of the pipeline part (12).
2. The plastic intake manifold of claim 1, wherein the pipe section (12) includes a connecting plate (122);
one end, far away from the pressure stabilizing cavity part (11), of each air inlet pipe (121) is fixedly connected with the connecting plate (122), and through holes are formed in the plate body of the connecting plate (122) corresponding to the air inlet pipes (121).
3. The plastic intake manifold according to claim 1, wherein the housing (1) is formed by two half shells (14) being fastened together, and the plenum chamber portion (11) is formed by fastening corresponding to the two half shells (14).
4. The plastic intake manifold according to claim 3, wherein the reinforcement (3) is generally cylindrical;
the reinforcing piece (3) is divided into two half cylinders (31) with internal control corresponding to the half shells (14), and the reinforcing piece (3) is formed by butting the two half cylinders (31);
the two half cylinders (31) are respectively and fixedly connected with the inner wall of one half shell (14);
the two half cylinders (31) are fixedly connected through bolts (4).
5. The plastic intake manifold according to claim 4, wherein the opposite ends of the half cylinders (31) are respectively provided with an end plate (32), the end plates (32) are arranged along the radial surface of the half cylinders (31), and the plate body of the end plate (32) is provided with a through hole corresponding to the bolt (4);
and one side of the end plates (32) of the two half cylinders (31) opposite to each other is provided with a welding rib combination (5).
6. The plastic intake manifold of claim 5, wherein the end plate (32) of one of said half cylinders (31) is provided with a nut recess, a nut (41) is disposed in the nut recess, and said bolt (4) extends through the end plate (32) of the other half cylinder (31) and is threadedly engaged with said nut (41).
7. The plastic intake manifold of claim 5, wherein the welded rib assembly (5) comprises a male block (51) and a female block (52), the male block (51) and the female block (52) are annular blocks, and one end of the female block (52) facing the male block (51) is provided with an annular slot corresponding to the male block (51);
the male block (51) and the female block (52) are fixedly connected with an end plate (32) of one half cylinder (31) respectively.
8. Plastic intake manifold according to claim 7, characterized in that the end plate (32) provided with said male block (51) is provided with an annular groove, said male block (51) being located at the bottom of the annular groove;
when the two half cylinders (31) are butted, the female block (52) is positioned in the annular groove.
9. The plastic intake manifold as claimed in claim 7, characterized in that the edges of the junction of the two half-shells (14) are also provided with said welding rib assembly (5);
the edge of one half shell (14) is provided with an annular groove corresponding to the female block (52) on the other half shell (14).
10. The plastic intake manifold of any one of claims 1 to 9, wherein the outer portion of the housing (1) is provided with reinforcing ribs (6), and the reinforcing ribs on the outer wall of the plenum chamber portion (11) are distributed in a grid shape;
the reinforcing ribs on the outer wall of the pipeline part (12) are arranged along the long axis of the air inlet pipe (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222224792.3U CN217632732U (en) | 2022-08-24 | 2022-08-24 | Plastic air inlet manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222224792.3U CN217632732U (en) | 2022-08-24 | 2022-08-24 | Plastic air inlet manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217632732U true CN217632732U (en) | 2022-10-21 |
Family
ID=83636600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222224792.3U Active CN217632732U (en) | 2022-08-24 | 2022-08-24 | Plastic air inlet manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217632732U (en) |
-
2022
- 2022-08-24 CN CN202222224792.3U patent/CN217632732U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116529467A (en) | Exhaust manifold having turbine connector with turbine feet | |
| CN217632732U (en) | Plastic air inlet manifold | |
| CN209855894U (en) | Exhaust manifold of electric control EGR diesel engine | |
| CN208502920U (en) | A kind of plastic air intake manifold of losing heart for turbocharged engine | |
| CN214698088U (en) | Cylinder cover structure with in-cylinder double direct injection system | |
| CN220581158U (en) | Air filter resonant cavity of internal combustion engine | |
| CN218934585U (en) | Engine and supercharger, air inlet connecting pipe and supercharger connecting structure | |
| CN217176747U (en) | Supercharging air cooling system of diesel engine | |
| CN220622043U (en) | Connecting sleeve and engine | |
| CN220869508U (en) | Exhaust manifold, engine and vehicle | |
| JP2004285868A (en) | Intake manifold for engine | |
| CN219605440U (en) | Air inlet structure and generator set | |
| CN216077367U (en) | Engine intake pipe | |
| CN218117918U (en) | V type engine air inlet structure | |
| CN216241006U (en) | Air inlet connecting pipe of air heater for engine air inlet | |
| CN210919368U (en) | Fast-connected high-lift water pump | |
| CN214577451U (en) | Empty shell structure of straining with fuel desorption connects | |
| CN218760184U (en) | Air inlet channel for vehicle | |
| CN111636986B (en) | Aeroengine and air intake system thereof | |
| CN215633276U (en) | S-shaped exhaust elbow joint assembly | |
| CN212318115U (en) | Double-tube structure | |
| CN220036812U (en) | Cast aluminum intake manifold of in-line six-cylinder engine | |
| CN218407641U (en) | Engine intake duct flange connection structure | |
| CN211500855U (en) | Fuel injector sealing structure | |
| CN218991716U (en) | 180 degree dysmorphism connection clam shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A plastic intake manifold Effective date of registration: 20230106 Granted publication date: 20221021 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO ZEIT MOULD Co.,Ltd. Registration number: Y2023370010005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20221021 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO ZEIT MOULD Co.,Ltd. Registration number: Y2023370010005 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |