CN203050939U - Automobile engine weld plastic intake manifold - Google Patents
Automobile engine weld plastic intake manifold Download PDFInfo
- Publication number
- CN203050939U CN203050939U CN 201220747619 CN201220747619U CN203050939U CN 203050939 U CN203050939 U CN 203050939U CN 201220747619 CN201220747619 CN 201220747619 CN 201220747619 U CN201220747619 U CN 201220747619U CN 203050939 U CN203050939 U CN 203050939U
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- Prior art keywords
- air inlet
- resonant cavity
- intake manifold
- charge
- air intake
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- Characterised By The Charging Evacuation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses an automobile engine weld plastic intake manifold which comprises an air intake resonant cavity, a main flange and a plurality of air intake branch pipes which are connected between the air intake resonant cavity and the main flange. A throttle flange is arranged on the air intake resonant cavity. A seal ring is arranged on the main flange, and a seal ring is arranged on the throttle flange. The whole of the air intake manifold is divided into an upper piece and a lower piece, and the upper piece and the lower piece are formed through injection molding. The upper piece comprises the upper half portion of each air intake branch pipe and the upper half portion of the air intake resonant cavity. The lower piece comprises the lower half portion of the air intake branch pipe and the lower half portion of the air intake resonant cavity and further integrates the throttle flange and the main flange. The upper piece and the lower piece are integrally welded through vibration friction. The automobile engine weld plastic intake manifold enables an engine which is loaded by the automobile engine weld plastic intake manifold to meet requirements of low oil consumption and high low-speed torque, each point in the air intake manifold has low vibration acceleration, and cost is low.
Description
Technical field
The utility model belongs to engine intake manifold, is specifically related to a kind of motor car engine welding plastic intake manifold.
Background technique
Present little car usually carries the motor of mid-rear-guard, and it requires motor to have characteristics such as high low speed torque, low oil consumption, price are low.But because the engine compartment of little car itself is narrower, the design space of intake manifold is restricted, thereby the intake manifold of design is difficult to satisfy it to the requirement of performance and Economy, therefore, be necessary for vertical a long air flue of engine design, inner wall smooth and the price welding type plastic air intake manifold low than aluminum alloy air inlet manifold of putting of little car.
The model utility content
The purpose of this utility model provides a kind of motor car engine welding plastic intake manifold, can make the motor of its lift-launch satisfy low oil consumption, high low speed torque, and the each point on the intake manifold all has lower vibration acceleration, and cost is lower.
Motor car engine welding plastic intake manifold described in the utility model, comprise air inlet resonant cavity, main flange and be connected the air inlet resonant cavity and main flange between many air inlets be in charge of, be furnished with the closure flange at the air inlet resonant cavity, main flange and closure flange are provided with seal ring;
Described intake manifold integral body be divided into again molding and forming last slice and following sheet, described last slice comprise upper half part that each air inlet is in charge of and the top of air inlet resonant cavity, lower half portion that described down sheet is in charge of except each air inlet and the bottom of air inlet resonant cavity, also integrated closure flange and main flange, described last slice and following sheet be one by vibrating friction welding.
It is four that described air inlet is in charge of, be followed successively by from left to right that first air inlet is in charge of, second air inlet is in charge of, the 3rd air inlet is in charge of is in charge of with the 4th air inlet, the described first, second, third and the 4th air inlet is in charge of all S-shaped, and is respectively equipped with chamfering at the position that is connected with the air inlet resonant cavity.
Described last slice also be provided with vacuum servo pipe joint, the first tapping screw mounting structure and to the intake temperature pressure transducer mounting plane of lower recess, described intake temperature pressure transducer mounting plane is positioned at the top of air inlet resonant cavity, described vacuum servo pipe joint is positioned at the upper right quarter of air inlet resonant cavity, and the described first tapping screw mounting structure is positioned at the middle part that the 4th air inlet is in charge of.
Also be provided with PCV pipe joint, canister control valve connecting tube joint, the second tapping screw mounting structure and two intake manifold rack mounting structures on the sheet under described, described PCV pipe joint, canister control valve connecting tube joint, the second tapping screw mounting structure lay respectively at the lower left quarter of air inlet resonant cavity, and two intake manifold rack mounting structures are positioned at the below of air inlet resonant cavity.
The utlity model has following advantage:
(1) this intake manifold adopts burst injection moulding, last slice and following sheet respectively by the metal mold molding and forming, last slice and following sheet be welded as a whole again, be convenient to form the intake duct than length, be conducive to improve low speed end moment of torsion;
(2) last slice and the metal injection molded mould of following sheet by polishing treatment, generally the aluminum alloy air inlet manifold air flue is smooth to make the air flue of intake manifold, can reduce intake resistance, the raising air inflow;
(3) air inlet is in charge of S-shaped, and be respectively equipped with chamfering at the position that is connected with the air inlet resonant cavity, the air inlet of S shape is in charge of can increase the effective length that air inlet is in charge of in narrow and small engine compartment, can improve the moment of torsion of low engine speed, the design of chamfering can reduce the design space of air inlet resonant cavity, also can improve air inflow simultaneously;
(4) design has the vacuum servo pipe joint on the air inlet resonant cavity, its position is positioned at the maximum part of degree of vacuum on the air inlet resonant cavity, this position can provide powerful brake power-assisted for car load, simultaneously also integrated PCV and canister control valve rubber hose coupling on the air inlet resonant cavity, line arrangement can be convenient in its position under the situation of its manufacturing process of realization and performance requirement.
(5) below the air inlet resonant cavity, near two support mounting points of closure mounting flange face position design, the position of itself and closure is nearer, can effectively reduce the vibration acceleration at closure place, improves the operational safety of each electronic sensor.
Description of drawings
Fig. 1 is axonometric drawing of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is along the sectional view of X-X line among Fig. 2;
Fig. 4 is welding procedure schematic representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As Fig. 1, Fig. 2 and motor car engine welding plastic intake manifold shown in Figure 3, comprise air inlet resonant cavity 5, main flange 6 and be connected air inlet resonant cavity 5 and main flange 6 between air inlet be in charge of, it is four that air inlet is in charge of, comprise that first air inlet that from left to right is arranged side by side successively is in charge of 1, second air inlet is in charge of 2, the 3rd air inlet is in charge of the 3 and the 4th air inlet and is in charge of 4, four air inlets are in charge of all S-shaped, and be respectively equipped with chamfering 12 at the position that is connected with air inlet resonant cavity 5, the air inlet of S shape is in charge of can increase the effective length that air inlet is in charge of in narrow and small engine compartment, can improve the moment of torsion of low engine speed, the design of chamfering 12 can reduce the design space of air inlet resonant cavity 5, also can improve air inflow simultaneously.Four air inlets divide length of tube all inequality, but X-X to sectional view shape unanimity, can guarantee the mould-forming of an A and following sheet B.Main flange 6 is in charge of with four air inlets and is linked to each other, and is positioned at the outlet end that four air inlets are in charge of, and is responsible for each cylinder dispensing fresh air of motor, and main flange 6 is provided with seal ring 11, guarantees the sealability of air flue and cylinder cap.Be furnished with closure flange 7 at air inlet resonant cavity 5, closure flange 7 is provided with seal ring 11, plays the effect with the sealing of throttle body.
Intake manifold integral body is divided into last slice A and the following sheet B of molding and forming again, last slice A comprises upper half part that each air inlet is in charge of and the top of air inlet resonant cavity 5, lower half portion that following sheet B is in charge of except each air inlet and the bottom of air inlet resonant cavity 5, also integrated closure flange 7 and main flange 6, last slice A is one with following sheet B by the vibration friction welding, form long intake duct, can improve the moment of torsion of low speed end.
Last slice A also is provided with vacuum servo pipe joint 9, the first tapping screw mounting structure 141 and to the intake temperature pressure transducer mounting plane 13 of lower recess, intake temperature pressure transducer mounting plane 13 is positioned at the top of air inlet resonant cavity 5, this position has guaranteed the accuracy of temperature and pressure transmitter to gas temperature, pressure test, intake temperature pressure transducer mounting plane depression is in order to guarantee the safety clearance of peak and car load behind the fitting temperature pressure transducer, meets design requirement and improves the stability of sensor.Vacuum servo pipe joint 9 is positioned at the upper right quarter of air inlet resonant cavity 5, and its position is degree of vacuum biggest place in the air inlet resonant cavity 5, can provide strong skid resistance for car load; The first tapping screw mounting structure 14-1 is positioned at the 4th air inlet and is in charge of 4 middle part.
Also be provided with PCV pipe joint 8, canister control valve connecting tube joint 10, the second tapping screw mounting structure 14-2 and two intake manifold rack mounting structures 15 on the following sheet B, canister control valve connecting tube joint 10, PCV pipe joint 8, the second tapping screw mounting structure 14-2 lay respectively at the lower left quarter of air inlet resonant cavity 5, canister control valve connecting tube joint 10 is located at this position, can guide the oil gas molecule of evaporation to enter cylinder combustion, and can reduce the pollution of atmosphere and the waste of gasoline; The first tapping screw mounting structure 14-1 on the second tapping screw mounting structure 14-2 and the last slice A combines fixedly PCV sebific duct, and the PCV sebific duct can be connected with PCV pipe joint 8 reliably; Two intake manifold rack mounting structures 15 are positioned at the below of air inlet resonant cavity 5, can guarantee that the intake manifold support is connected with suspending with the shortest distance, can effectively reduce the vibration acceleration at closure place, improve the operational safety of each electronic sensor, intake manifold rack mounting structure 15 adopts metallic material, can improve the intensity of intake manifold rack mounting structure 15, prevent that engine luggine from damaging intake manifold.
Adopt plastic materials to manufacture and design intake manifold, and by metal injection molded mould is carried out polishing treatment, it is smooth to make air inlet divide the general aluminum alloy suction tude of inner tube wall to play, and can lower intake resistance, improves air inflow.
As shown in Figure 4, during welding, welding fixture is fixed on last slice A on the welding fixture with following sheet B, and last slice A is compressed in Z-direction with following sheet B, and the side-to-side vibrations by Y-direction can weld together last slice A with following sheet B then.
The utility model intake manifold structure can be effectively the fixedly installation of various sebific ducts, intake manifold support and the sensor on the intake manifold, guaranteed the reliability that intake manifold is used.
Claims (4)
1. motor car engine welding plastic intake manifold, comprise air inlet resonant cavity (5), main flange (6) and be connected air inlet resonant cavity (5) and main flange (6) between many air inlets be in charge of, be furnished with closure flange (7) at air inlet resonant cavity (5), main flange (6) is provided with seal ring (11) with closure flange (7);
It is characterized in that: described intake manifold integral body is divided into last slice (A) and the following sheet (B) of molding and forming again, described last slice (A) comprises upper half part that each air inlet is in charge of and the top of air inlet resonant cavity (5), lower half portion that described down sheet (B) is in charge of except each air inlet and the bottom of air inlet resonant cavity (5), also integrated closure flange (7) and main flange (6), described last slice (A) and following sheet (B) are one by the vibration friction welding.
2. motor car engine welding plastic intake manifold according to claim 1, it is characterized in that: it is four that described air inlet is in charge of, from left to right be followed successively by first air inlet and be in charge of that (2) are in charge of in (1), second air inlet, (3) are in charge of in the 3rd air inlet and (4) are in charge of in the 4th air inlet, it is all S-shaped that (1,2,3,4) are in charge of in the described first, second, third and the 4th air inlet, and be respectively equipped with chamfering (12) at the position that is connected with air inlet resonant cavity (5).
3. motor car engine welding plastic intake manifold according to claim 1 and 2, it is characterized in that: described last slice (A) also is provided with vacuum servo pipe joint (9), the first tapping screw mounting structure (14-1) and to the intake temperature pressure transducer mounting plane (13) of lower recess, described intake temperature pressure transducer mounting plane (13) is positioned at the top of air inlet resonant cavity (5), described vacuum servo pipe joint (9) is positioned at the upper right quarter of air inlet resonant cavity (5), and the described first tapping screw mounting structure (14-1) is positioned at the middle part that (4) are in charge of in the 4th air inlet.
4. motor car engine welding plastic intake manifold according to claim 1 and 2, it is characterized in that: also be provided with PCV pipe joint (8) on the sheet (B) under described, canister control valve connecting tube joint (10), the second tapping screw mounting structure (14-2) and two intake manifold rack mounting structures (15), described PCV pipe joint (8), canister control valve connecting tube joint (10), the second tapping screw mounting structure (14-2) lays respectively at the lower left quarter of air inlet resonant cavity (5), and two intake manifold rack mounting structures (15) are positioned at the below of air inlet resonant cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747619 CN203050939U (en) | 2012-12-30 | 2012-12-30 | Automobile engine weld plastic intake manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747619 CN203050939U (en) | 2012-12-30 | 2012-12-30 | Automobile engine weld plastic intake manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050939U true CN203050939U (en) | 2013-07-10 |
Family
ID=48733898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220747619 Expired - Fee Related CN203050939U (en) | 2012-12-30 | 2012-12-30 | Automobile engine weld plastic intake manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742318A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Engine air inlet manifold |
| CN115539222A (en) * | 2022-09-29 | 2022-12-30 | 赛力斯集团股份有限公司 | Throttle valve assembly |
-
2012
- 2012-12-30 CN CN 201220747619 patent/CN203050939U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742318A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Engine air inlet manifold |
| CN115539222A (en) * | 2022-09-29 | 2022-12-30 | 赛力斯集团股份有限公司 | Throttle valve assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20191230 |