CN208267982U - A kind of admission manifold branch structure suitable for pancake engine air inlet - Google Patents

Abstract

The utility model relates to engine component fields, it is a kind of admission manifold branch structure suitable for pancake engine air inlet for having, the admission manifold branch structure includes pressurizer tank, air inlet is offered on the pressurizer tank, cavity volume is equipped with inside pressurizer tank, the gas outlet for the discharge of volume chamber air is additionally provided on the pressurizer tank, the pressurizer tank is connected with the air inlet pipeline for entering cylinder from pressurizer tank for air；Each gas outlet is corresponding with an air inlet pipeline on the pressurizer tank.The utility model devises split type inlet manifold, fresh air first introduces pressure stabilizing cavity, it reallocates to each corresponding cylinder body, pressure stabilizing cavity has certain volume, admission pressure can be stablized, pressure stabilizing cavity position guarantees from pressure stabilizing cavity to each cylinder inlet charge equal length, to be conducive to the intake uniformity of each cylinder；Pressure stabilizing cavity is separated with air intake branch, compared to the inlet manifold of horizontal monoblock type, can reduce manufacture inlet manifold casting difficulty, and then reduce rejection rate.

Description

A kind of admission manifold branch structure suitable for pancake engine air inlet

Technical field

The utility model relates to engine component field, have for be a kind of to be suitable for pancake engine air inlet Admission manifold branch structure.

Background technique

Piston engine needs that new charge is introduced transmitter cylinder body by inlet manifold.There is inlet manifold drainage to lead The effect of stream has larger impact to dynamic property, the noise emission etc. of engine, is the critical function component of engine.For The horizontally-opposed diesel engine of multi-cylinder leads to two adjacent cylinder air inlet distance farther out, it is each to influence engine since cylinder opposed type is arranged Intake uniformity between cylinder.For diesel engine, engine charge inhomogeneities can directly result in engine working conditions deterioration, The decline of dynamic property economy.Farther out additionally, due to air inlet distance between each cylinder, cause the manufacture of monoblock type inlet manifold difficult, give up Product rate is low, and manufacturing cost is high, and assembly qualified rate is low；So a kind of inlet manifold that can be preferably used for engine cylinder body air inlet Structure is now required.

Summary of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art, it is more simple to provide a kind of structure, simplifies air inlet The admission manifold branch structure of manifold production cost.

To achieve the goals above, the technical solution adopted in the utility model are as follows:

A kind of admission manifold branch structure suitable for pancake engine air inlet, the admission manifold branch structure include pressure stabilizing Case offers air inlet on the pressurizer tank, and cavity volume is equipped with inside pressurizer tank, is additionally provided on the pressurizer tank for volume The gas outlet of chamber air discharge, the pressurizer tank are connected with the air inlet pipeline for entering cylinder from pressurizer tank for air；It is described Each gas outlet is corresponding with an air inlet pipeline on pressurizer tank.

The air inlet pipeline includes pressurizer tank going out gas branch pipe, and pressurizer tank going out gas branch pipe one end is connected with gas outlet, The other end is connected with the air intake branch for cylinder gas supply, soft by connecting between the pressurizer tank going out gas branch pipe and air intake branch Pipe is connected.

The connection hose both ends are socketed in respectively on pressurizer tank going out gas branch pipe and air intake branch, are set on the connection hose There is the clip for being fastenedly connected hose and pressurizer tank going out gas branch pipe or air intake branch.

The connection hose includes connection hookah bodies, is used for what clip limited equipped with multiple in connection hookah bodies end Limited block group；The limited block group includes two spacing block sets being oppositely arranged, and the distance between two spacing block sets are not less than The width of clip.

The limited block group has setting at the both ends of connection hookah bodies, and in connection hookah bodies the same end Each limited block group is uniformly distributed along connection hose circumferencial direction.

The pressurizer tank going out gas branch pipe and air intake branch are designed with raised platform with connecting on one end that hose is connected, institute It is annular in shape to state raised platform section, the protrusion platform internal diameter is identical as air inlet pipe and pressurizer tank going out gas branch pipe internal diameter, described convex Play outer diameter of the platform outer diameter no more than air inlet pipe and pressurizer tank going out gas branch pipe.

The protrusion end portion is equipped with the sealing ring for sealing.

Utility model has the advantages that

The utility model devises split type inlet manifold, and fresh air first introduces pressure stabilizing cavity, reallocates to each correspondence Cylinder body, pressure stabilizing cavity has certain volume, can stablize admission pressure, pressure stabilizing cavity position, guarantees from pressure stabilizing cavity to each Cylinder inlet charge equal length, to be conducive to the intake uniformity of each cylinder；Pressure stabilizing cavity is separated with air intake branch, compared to water The inlet manifold of flat monoblock type can reduce manufacture inlet manifold casting difficulty, and then reduce rejection rate.

Detailed description of the invention

Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:

Fig. 1 is the explosive view of the utility model.

Fig. 2 is the installation diagram of the utility model.

Label in above-mentioned figure is equal are as follows:

1, pressurizer tank, 2, air intake branch, 3, connection hose, 4, clip, 5, pressurizer tank going out gas branch pipe, 6, raised platform, 7, limit Position convex block, 8, sealing ring.

Specific embodiment

Specific embodiment of the present utility model is made into one by the description to optimum embodiment below against attached drawing Step detailed description.

A kind of admission manifold branch structure suitable for pancake engine air inlet, admission manifold branch structure include pressurizer tank 1, surely Air inlet 101 is offered on pressure case 1, cavity volume is equipped with inside pressurizer tank 1, is additionally provided on pressurizer tank 1 for empty in cavity volume The gas outlet of gas discharge, pressurizer tank 1 are connected with the air inlet pipeline for entering cylinder from pressurizer tank 1 for air；It is each on pressurizer tank 1 A gas outlet is corresponding with an air inlet pipeline, and air inlet pipeline includes pressurizer tank going out gas branch pipe 5,5 one end of pressurizer tank going out gas branch pipe with Gas outlet is connected, and the other end is connected with the air intake branch 2 for cylinder gas supply；Pressurizer tank 1 includes one in the utility model Air inlet 101 is used for 1 air inlet of pressurizer tank, while multiple gas outlets are equipped on 1 side of pressurizer tank, in gas outlet and pressure stabilizing cavity Cavity volume is connected, and gas outlet enters subsequent air inlet pipeline for volume chamber air；Air inlet in the present invention simultaneously Pipeline includes pressurizer tank going out gas branch pipe 5 and going out gas branch pipe, and pressurizer tank going out gas branch pipe 5 is connected with going out gas branch pipe, such setting, The structure for changing conventional gas introduction manifold is fabricated separately pressure stabilizing cavity with air intake branch 2, then carries out subsequent connection, Such setting can reduce manufacture inlet manifold casting difficulty compared to the inlet manifold of conventional flat monoblock type, and then drop Low rejection rate.

Preferably, passing through connection 3 phase of hose in the utility model between pressurizer tank going out gas branch pipe 5 and air intake branch 2 Connection；The setting of hose 3 is connected, so that the connection between pressurizer tank going out gas branch pipe 5 and air intake branch 2 is more closely, while because There is certain deformability for connection hose 3, can slightly misplace when pressurizer tank 1 is connect with air intake branch 2 even if having It can be made up by connecting the deformability of hose 3；It, can when namely each cylinder air intake branch 2 is connected with pressure stabilizing cavity To make up air intake branch 2 and the air flue of pressure stabilizing cavity going out gas branch pipe dislocation tolerance in assembling process；And then guarantee air inlet continuity, drop Low intake resistance improves engine performance.

Preferably, connect 3 both ends of hose in the utility model is socketed in pressurizer tank going out gas branch pipe 5 and air inlet branch respectively On pipe 2, connection hose 3 is equipped with the clip 4 for being fastenedly connected hose 3 and pressurizer tank going out gas branch pipe 5 or air intake branch 2； Such setting by the setting of clip 4, facilitates connection hose 3 and pressurizer tank outlet so that the connection connection of hose 3 is more firm The connection of branch pipe 5 and air intake branch 2, simplifies connection type.

Preferably, connecting hose 3 in the utility model includes connection 3 ontology of hose, in connection 3 body end of hose Equipped with multiple limited block groups limited for clip 4；Limited block group includes two spacing block sets being oppositely arranged 7, two limits The distance between convex block 7 is not less than the width of clip 4；The both ends for connecting 3 ontology of hose in the present invention are equipped with multiple limits Position block group, each limited block group includes two spacing block sets being oppositely arranged 7, and there are gaps between adjacent spacing block set 7, is used When clip 4 be placed in limited block group between two adjacent spacing block sets 7, that is, can be fine by the setting of limited block group The limitation to 4 position of clip, and then more convenient determining clip 4 placement positioning, facilitate subsequent clip 4 to be connected and fixed； Simultaneously as an optimization, limited block group at the both ends of connection 3 ontology of hose has a setting in the utility model, and in connection Each limited block group of 3 ontology the same end of hose is uniformly distributed along connection 3 circumferencial direction of hose；Such setting, so as to card The limit of hoop 4 is more accurate, facilitates the placement of 4 pairs of clip connection hoses 3.

Preferably, pressurizer tank going out gas branch pipe 5 and air intake branch 2 are connected with hose 3 is connect in the utility model One end on be designed with raised platform 6, raised 6 section of platform is annular in shape, raised 6 internal diameter of platform and air inlet pipe and pressurizer tank outlet branch 5 internal diameter of pipe is identical, outer diameter of raised 6 outer diameter of platform no more than air inlet pipe and pressurizer tank going out gas branch pipe 5；Pass through setting for raised platform 6 It sets, is more convenient the connection of connection hose 3 and pressurizer tank going out gas branch pipe 5 and air intake branch 2, raised platform 6 is actually a band Have the cylinder type of centre bore, and require raised 6 internal diameter of platform be connected with it component internal diameter it is identical, reduce air inlet resistance Power；And the setting of raised platform 6 so that raised platform 6 formed with pressurizer tank going out gas branch pipe 5 or 2 junction of air intake branch it is ladder-like Structure, that is, a limiting platform is formed, and then play the role of a limit, the more convenient positioning of connection hose 3 is placed, Also facilitate the fixation in connection 3 later period of hose.

Preferably, 6 end of the utility model protrusions platform is equipped with the sealing ring 8 for sealing；The setting of sealing ring 8 Better seal is played, and then preferably guarantees the leakproofness of inlet manifold entirety.

Obvious the utility model specific implementation is not subject to the restrictions described above, as long as the method for using the utility model The improvement for the various unsubstantialities that conception and technical scheme carry out, both is within the protection scope of the present invention.

Claims (7)

1. a kind of admission manifold branch structure suitable for pancake engine air inlet, which is characterized in that the admission manifold branch structure Including pressurizer tank, air inlet is offered on the pressurizer tank, cavity volume is equipped with inside pressurizer tank, is additionally provided on the pressurizer tank For the gas outlet of volume chamber air discharge, the pressurizer tank is connected with the air inlet pipe for entering cylinder from pressurizer tank for air Road；Each gas outlet is corresponding with an air inlet pipeline on the pressurizer tank；The air inlet pipeline includes pressurizer tank going out gas branch pipe, Pressurizer tank going out gas branch pipe one end is connected with gas outlet, and the other end is connected with the air intake branch for cylinder gas supply.

2. a kind of admission manifold branch structure suitable for pancake engine air inlet according to claim 1, feature exist In, between the pressurizer tank going out gas branch pipe and air intake branch by connect hose be connected.

3. a kind of admission manifold branch structure suitable for pancake engine air inlet according to claim 2, feature exist In the connection hose both ends are socketed in respectively on pressurizer tank going out gas branch pipe and air intake branch, and the connection hose, which is equipped with, to be used In the clip for being fastenedly connected hose and pressurizer tank going out gas branch pipe or air intake branch.

4. a kind of admission manifold branch structure suitable for pancake engine air inlet according to claim 2, feature exist In the connection hose includes connection hookah bodies, is equipped with multiple limits for clip limit in connection hookah bodies end Block group；The limited block group includes two spacing block sets being oppositely arranged, and the distance between two spacing block sets are not less than clip Width.

5. a kind of admission manifold branch structure suitable for pancake engine air inlet according to claim 4, feature exist In the limited block group has setting at the both ends of connection hookah bodies, and in each of connection hookah bodies the same end Limited block group is uniformly distributed along connection hose circumferencial direction.

6. a kind of admission manifold branch structure suitable for pancake engine air inlet according to claim 2, feature exist Raised platform is designed with connecting on one end that hose is connected in, the pressurizer tank going out gas branch pipe and air intake branch, it is described convex It is annular in shape to play platform section, the protrusion platform internal diameter is identical as air inlet pipe and pressurizer tank going out gas branch pipe internal diameter, the protrusion platform Outer diameter of the outer diameter no more than air inlet pipe and pressurizer tank going out gas branch pipe.

7. a kind of admission manifold branch structure suitable for pancake engine air inlet according to claim 6, feature exist In the protrusion end portion is equipped with the sealing ring for sealing.