CN206054143U - Motor intake manifold and electromotor - Google Patents

Abstract

A kind of motor intake manifold and the electromotor including the motor intake manifold, pressure stabilizing cavity and the attached chamber with the neighbouring setting of the pressure stabilizing cavity are provided with the motor intake manifold, pressure stabilizing cavity and attached chamber are interconnected, pressure stabilizing cavity connects escape pipe, escape pipe connects cylinder, attached chamber connection crankcase ventilation pipe joint and Valve EGR pipe joint, is provided with dividing plate between pressure stabilizing cavity and attached chamber, at least one intercommunicating pore is provided with dividing plate, pressure stabilizing cavity and attached chamber are interconnected by least one intercommunicating pore.The motor intake manifold can be made into crankcase waste gas therein, fuel-steam, fresh air mix homogeneously, and avoids the condensed water inflow electronic throttle in crankcase ventilation system.

Description

Motor intake manifold and electromotor

Technical field

This utility model is related to technical field of engines, starts more particularly to a kind of motor intake manifold and including this The electromotor of machine inlet manifold.

Background technology

Motor intake manifold is the vitals of electromotor, and its function is to ensure the uniform air inlet of electromotor and normal fortune Turn.At present, the volume of electromotor especially gasoline supercharging engine is less and less, and the volume of inlet manifold is also less and less；And In order to reduce oil consumption and make tail gas reach emission request, electronic device, pipeline and the joint arranged in inlet manifold is more and more, These electronic units of reasonable Arrangement and joint are difficult all the more.

Structural representations of the Fig. 1 for a kind of motor intake manifold 100 in prior art, the motor intake manifold 100 Including pressure stabilizing cavity 11, crankcase inlet suction port 12, canister inlet suction port 13, escape pipe 14 and electronic throttle 16, pressure stabilizing cavity 11 On be provided with air inlet (not shown), crankcase inlet suction port 12, canister inlet suction port 13 and escape pipe 14, electronic throttle Door 16 is arranged on 11 bottom of pressure stabilizing cavity.In engine working process, the waste gas and condensed water in crankcase (not shown) is from song Axle box inlet suction port 12 enters pressure stabilizing cavity 11, and the fuel-steam in canister (not shown) enters pressure stabilizing cavity from canister inlet suction port 13 11, fresh air from air inlet enter pressure stabilizing cavity 11, crankcase waste gas, fuel-steam, fresh air mixing after from each Escape pipe 14 respectively enters each cylinder (not shown) of electromotor.

In prior art, crankcase inlet suction port 12 and canister inlet suction port 13 are all disposed within pressure stabilizing cavity 11, and voltage stabilizing Chamber 11 is less due to the less volume of arrangement space, causes crankcase waste gas, fuel-steam and fresh air to fail in pressure stabilizing cavity Mix homogeneously just burns into engine cylinder, causes performance, economical, discharge and NVH poor；On the other hand, from crankcase stream Enter the electronic throttle 16 that the condensed water in pressure stabilizing cavity can flow into pressure stabilizing cavity bottom, exist electronic throttle 16 and freeze what is failed Risk.

Utility model content

The purpose of this utility model is to provide a kind of motor intake manifold, and the motor intake manifold can make to enter which In crankcase waste gas, fuel-steam, fresh air mix homogeneously, and avoid the condensed water in crankcase ventilation system from flowing into electricity Sub- air throttle.

The technical scheme for solving its technical problem that embodiment of the present utility model is provided is as follows：

A kind of motor intake manifold, is provided with pressure stabilizing cavity and with the pressure stabilizing cavity adjacent to the attached of setting in motor intake manifold Chamber, pressure stabilizing cavity and attached chamber are interconnected, pressure stabilizing cavity connection escape pipe, escape pipe connection cylinder, and attached chamber connects crankcase Ventilation pipe joint and Valve EGR pipe joint, are provided with dividing plate, at least one are provided with dividing plate between pressure stabilizing cavity and attached chamber Intercommunicating pore, pressure stabilizing cavity and attached chamber are interconnected by least one intercommunicating pore.

In this utility model preferred embodiment, multiple intercommunicating pores, the lowest point of multiple intercommunicating pores on dividing plate, are provided with Not in same level.

In this utility model preferred embodiment, air inlet is also associated with pressure stabilizing cavity, is connected with air inlet Electronic throttle, the position of electronic throttle are corresponding with lowest point highest intercommunicating pore in multiple intercommunicating pores.

In this utility model preferred embodiment, multiple intercommunicating pores include the first intercommunicating pore, the second intercommunicating pore and third connecting Hole, the second intercommunicating pore are located between the first intercommunicating pore and third connecting hole, and the second intercommunicating pore is located at the medium position in attached chamber, the The lowest point highest of two intercommunicating pores, the position of electronic throttle are corresponding with the second intercommunicating pore.

In this utility model preferred embodiment, the lowest point in third connecting hole is minimum, the minimum point of the first intercommunicating pore Position is between the first intercommunicating pore and third connecting hole.

In this utility model preferred embodiment, the lowest point in third connecting hole is located at the bottom of dividing plate.

In this utility model preferred embodiment, voltage stabilizing intracavity is provided with diaphragm, and diaphragm correspondence is positioned at the second intercommunicating pore and the Between tee joint hole.

In this utility model preferred embodiment, pressure stabilizing cavity is arranged between attached chamber and escape pipe, crankcase ventilation pipe joint The two ends in attached chamber are divided into Valve EGR pipe joint.

In this utility model preferred embodiment, the bearing of trend of crankcase ventilation pipe joint and Valve EGR pipe joint with The length direction in attached chamber is parallel.

This utility model embodiment also provides a kind of electromotor, including above-mentioned motor intake manifold.

The motor intake manifold that this utility model embodiment is provided, has additional attached chamber, increases waste gas and fuel-steam For the space of mixing so as to which mixing is more uniform abundant, it is ensured that the combustion in waste gas and gasoline line in engine crankcase Oil vapour is more uniform to burn into each cylinder, it is ensured that the combustion uniformity of each cylinder, and during crankcase pipeline can be avoided Condensed water flow into electronic throttle in, cause electronic throttle freeze failure.

Description of the drawings

Fig. 1 is the structural representation of motor intake manifold in prior art.

Fig. 2 is the dimensional structure diagram of motor intake manifold in this utility model embodiment.

Fig. 3 is the dimensional structure diagram of another angle of motor intake manifold in Fig. 2.

Fig. 4 is the decomposition texture schematic diagram of motor intake manifold in Fig. 2.

Specific embodiment

Further to illustrate that this utility model is to reach technical approach and effect that predetermined utility model purpose is taken, Below in conjunction with accompanying drawing and preferred embodiment, to specific embodiment of the present utility model, structure, feature and its effect, specifically It is bright as after.

Refer to Fig. 2 to Fig. 4, this utility model provides a kind of (hereinafter referred to as " inlet manifold of motor intake manifold 200 200 "), pressure stabilizing cavity 20 and the attached chamber 40 with 20 neighbouring setting of pressure stabilizing cavity, pressure stabilizing cavity 20 and attached chamber are provided with the inlet manifold 200 40 connections.Specifically, be provided with dividing plate 60 between pressure stabilizing cavity 20 and attached chamber 40, dividing plate 60 be provided with least one intercommunicating pore 61,63, 65 (illustrating have three intercommunicating pores 61,63,65 in figure), pressure stabilizing cavity 20 and attached chamber 40 are interconnected by intercommunicating pore 61,63,65. Wherein, escape pipe 27 is connected with pressure stabilizing cavity 20, pressure stabilizing cavity 20 is connected with cylinder (not shown) by escape pipe 27, The quantity of escape pipe 27 and cylinder can be multiple, and correspondence one cylinder of connection of each escape pipe 27 (illustrates have three to go out in figure Trachea 27 and three cylinders)；Be also associated with air inlet 23 on pressure stabilizing cavity 20, pressure stabilizing cavity 20 by air inlet 23 with it is big Gas is connected；Crankcase ventilation pipe joint 41 and Valve EGR pipe joint 43, crankcase ventilation pipe joint are connected with attached chamber 40 41 are connected with crankcase (not shown) by pipeline, and Valve EGR pipe joint 43 is connected with canister (not shown) by pipeline.

In the present embodiment, attached chamber 40 is arranged above pressure stabilizing cavity 20, and escape pipe 27 is arranged at below pressure stabilizing cavity 20, so as to steady Pressure chamber 20 is arranged between attached chamber 40 and escape pipe 27, and crankcase ventilation pipe joint 41 is arranged at the one end in attached chamber 40, canister electricity Magnet valve pipe joint 43 is arranged at the other end in attached chamber 40, i.e. crankcase ventilation pipe joint 41 and Valve EGR pipe joint 43 sets up separately In the two ends in attached chamber 40.The length in the bearing of trend of crankcase ventilation pipe joint 41 and Valve EGR pipe joint 43 and attached chamber 40 Direction is parallel.Air inlet 23 is arranged at the lateral of pressure stabilizing cavity 20, and electronic throttle 25 is connected with air inlet 23, electricity By bolts assemblies at air inlet 23, electronic throttle 25 is used to control air inlet amount sub- air throttle 25.

Waste gas and condensed water in crankcase is entered in attached chamber 40, in canister via pipeline and crankcase ventilation pipe joint 41 Fuel-steam via pipeline and Valve EGR pipe joint 43 also in attached chamber 40, waste gas and fuel-steam are in attached chamber 40 Intercommunicating pore 61,63,65 after mix homogeneously by being arranged on dividing plate 60 is entered in pressure stabilizing cavity 20.Fresh air is from air inlet Enter in mouthfuls 23 in pressure stabilizing cavity 20, from attached chamber 40 into pressure stabilizing cavity 20 waste gas and fuel-steam gaseous mixture again with enter from air QI KOU 23 enters the further mix homogeneously of fresh air of pressure stabilizing cavity 20, enters in cylinder afterwards and fire from each escape pipe 27 Burn.In this utility model embodiment, inlet manifold 200 sets up attached chamber 40, attached chamber 40 and pressure stabilizing cavity 20 on the basis of pressure stabilizing cavity 20 It is neighbouring to arrange and be interconnected, so as to increase the space of waste gas, fuel-steam and fresh air mixing, ensure that waste gas and Fuel-steam is more uniform into each cylinder combustion, it is ensured that the combustion uniformity of each cylinder.

61,63, the 65 stepped distribution of intercommunicating pore in pressure stabilizing cavity 20 and attached chamber 40 is connected in the present embodiment, i.e. each connection The lowest point in hole 61,63,65 is not in same level.Specifically, in the present embodiment, three are provided with dividing plate 60 Intercommunicating pore 61,63,65, is from left to right followed successively by the first intercommunicating pore 61, the second intercommunicating pore 63 and third connecting hole 65, the second connection Hole 63 is located between the first intercommunicating pore 61 and third connecting hole 65, and the second intercommunicating pore 63 is located substantially at the middle position in attached chamber 40 Put.Wherein, the lowest point highest of the second intercommunicating pore 63, the lowest point in third connecting hole 65 are minimum, the first intercommunicating pore 61 lowest point is therebetween.Preferably, the lowest point in third connecting hole 63 is located at the bottom of dividing plate 60.

The purpose that intercommunicating pore 61,63,65 is designed to stepped distribution is to guide the flowing of condensed water, when in crankcase Condensed water enter in attached chamber 40 via pipeline and crankcase ventilation pipe joint 41 after, condensed water can be from lowest point most Burn in flowing into corresponding cylinder in low third connecting hole 65, it is to avoid condensation flow makes its failure that freezes to electronic throttle 25, So as to protect electronic throttle 25.In the present embodiment, electronic throttle 25 is arranged at the centre position of pressure stabilizing cavity 20 and with second The position of intercommunicating pore 63 is corresponding.In other words, the position of electronic throttle 25 and the second intercommunicating pore of lowest point highest 63 Corresponding, condensed water can be flowed in cylinder corresponding with 65 position of third connecting hole from the minimum third connecting hole 65 in position and be fired Burn, it is to avoid condensed water is arranged at the electronic throttle 25 at air inlet 23 from the flow direction of the second intercommunicating pore 63.

In the present embodiment, into attached chamber 40 waste gas mix in attached chamber 40 with fuel-steam after, then by three companies Through hole 61,63,65 is entered in pressure stabilizing cavity 20, and then uniformly enters each gas in-cylinder combustion.Into attached chamber 40 condensed water then Flowed in cylinder corresponding with 65 position of third connecting hole by the minimum third connecting hole 65 of lowest point and burnt；Work as condensation When water is more, unnecessary condensed water then flows into first intercommunicating pore 61 position corresponding cylinder from attached chamber 40 by the first intercommunicating pore 61 Middle burning, and the position of electronic throttle 25 is corresponding with the second intercommunicating pore 63, but the lowest point of the second intercommunicating pore 63 is most Height, can be prevented effectively from condensation flow to electronic throttle 25.Preferably, pressure stabilizing cavity 20 is internally provided with diaphragm 21, diaphragm 21 Correspondence is located between the second intercommunicating pore 63 and third connecting hole 65 and stops from third connecting hole 65 and enters the condensation of pressure stabilizing cavity 20 Current direction electronic throttle 25, makes condensed water burn in flowing directly into cylinder corresponding with 65 position of third connecting hole.

This utility model embodiment also provides a kind of electromotor, and the electromotor includes above-mentioned motor intake manifold 200.

The motor intake manifold 200 that this utility model embodiment is provided, has additional attached chamber 40 on the basis of pressure stabilizing cavity 20, Attached chamber 40 is neighbouring with pressure stabilizing cavity 20 to be arranged and is interconnected, and so as to increase the space mixed by waste gas and fuel-steam, makes Its mixing is more uniform abundant, it is ensured that the more uniform entrance of fuel-steam in the waste gas and gasoline line in engine crankcase Each cylinder combustion, it is ensured that the combustion uniformity of each cylinder, and connect the intercommunicating pore between attached chamber 40 and pressure stabilizing cavity 20 61st, 63,65 burning in cylinder can be flowed into from particular path with directional guide condensed water, it is to avoid cold in crankcase pipeline Solidifying water is flowed in electronic throttle 25, is caused electronic throttle 25 to freeze and is failed.

Herein, term " including ", "comprising" or its any other variant are intended to including for nonexcludability, remove Comprising those listed key element, but also other key elements being not expressly set out can be included.

Herein, the involved noun of locality such as forward and backward, upper and lower is to be located in figure with parts in accompanying drawing and zero Part position each other is intended merely to the clear and convenient of expression technology scheme come what is defined.It should be appreciated that the noun of locality Use should not limit the scope that the application is claimed.

Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (10)

1. a kind of motor intake manifold (200), it is characterised in that is provided with pressure stabilizing cavity in the motor intake manifold (200) (20) and with the neighbouring attached chamber (40) for arranging of the pressure stabilizing cavity (20), the pressure stabilizing cavity (20) and the attached chamber (40) it is interconnected, The pressure stabilizing cavity (20) connection escape pipe (27), the escape pipe (27) connect cylinder, and attached chamber (40) connection is bent Crankcase ventilation pipe joint (41) and Valve EGR pipe joint (43), are arranged between the pressure stabilizing cavity (20) and the attached chamber (40) There is dividing plate (60), on the dividing plate (60), be provided with least one intercommunicating pore, the pressure stabilizing cavity (20) and the attached chamber (40) are logical Cross at least one intercommunicating pore to be interconnected.

2. motor intake manifold (200) as claimed in claim 1, it is characterised in that be provided with the dividing plate (60) many The individual intercommunicating pore, the lowest point of multiple intercommunicating pores is not in same level.

3. motor intake manifold (200) as claimed in claim 2, it is characterised in that be also connected with the pressure stabilizing cavity (20) There is air inlet (23), on the air inlet (23), be connected with electronic throttle (25), the electronic throttle (25) Position it is corresponding with lowest point highest intercommunicating pore in multiple intercommunicating pores.

4. motor intake manifold (200) as claimed in claim 3, it is characterised in that multiple intercommunicating pores include first Intercommunicating pore (61), the second intercommunicating pore (63) and third connecting hole (65), second intercommunicating pore (63) is positioned at the described first connection Between hole (61) and the third connecting hole (65), and second intercommunicating pore (63) is positioned at the middle position of the attached chamber (40) Put, the lowest point highest of second intercommunicating pore (63), the position of the electronic throttle (25) are connected with described second Hole (63) is corresponding.

5. motor intake manifold (200) as claimed in claim 4, it is characterised in that the third connecting hole (65) is most Low dot location is minimum, and the lowest point of first intercommunicating pore (61) connects with the described 3rd between first intercommunicating pore (61) Between through hole (65).

6. motor intake manifold (200) as claimed in claim 5, it is characterised in that the third connecting hole (65) is most Low dot location is located at the bottom of the dividing plate (60).

7. motor intake manifold (200) as described in claim 4-6 any one, it is characterised in that the pressure stabilizing cavity (20) diaphragm (21) is provided with, diaphragm (21) correspondence is positioned at second intercommunicating pore (63) and the third connecting hole (65) between.

8. motor intake manifold (200) as claimed in claim 1, it is characterised in that the pressure stabilizing cavity (20) is arranged at institute State between attached chamber (40) and the escape pipe (27), the crankcase ventilation pipe joint (41) and the Valve EGR pipe joint (43) two ends of the attached chamber (40) are divided into.

9. motor intake manifold (200) as claimed in claim 8, it is characterised in that the crankcase ventilation pipe joint (41) and the Valve EGR pipe joint (43) bearing of trend it is parallel with the length direction of the attached chamber (40).

10. a kind of electromotor, it is characterised in that include the motor intake manifold as described in any one of claim 1 to 9 (200)。