CN209724544U

CN209724544U - Diesel engine inlet

Info

Publication number: CN209724544U
Application number: CN201920467098.XU
Authority: CN
Inventors: 叶涛; 杜园园
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-03
Anticipated expiration: 2029-04-09

Abstract

The utility model relates to diesel engine inlets, including horizontal air intake duct, air inlet is provided on the left of the horizontal air intake duct, vertical air inlet road is fixedly connected on the right side of the horizontal air intake duct, vertical air inlet road inner cavity offers main air intake, secondary air intake duct is provided on the outside of the main air intake, the pair air intake duct inner cavity is provided with the first auxiliary inlet manifold, second auxiliary inlet manifold, the first auxilairy air intake is offered at the top of the pair air intake duct, second auxilairy air intake, first auxiliary inlet manifold bottom end is connected to by the first venthole with secondary air intake duct, second auxiliary inlet manifold is connected to by the second venthole with secondary air intake duct, vertical air inlet road bottom is fixedly installed suction valve cone, the suction valve cone bottom is fixedly connected with combuster, the air inflow of the every circulation of diesel engine can effectively be increased, it improves and enters combustion The vortex intensity for burning indoor gas, improves the efficiency of combustion of fuel, to improve the power of diesel engine.

Description

Diesel engine inlet

Technical field

The utility model relates to diesel engine inlets, belong to Diesel Engine Technique Field.

Background technique

Every country and the numerous and confused of area have formulated stringent diesel engine fuel consumption limit value regulation, and user is to diesel engine High fuel economy demand is growing day by day, meanwhile, as atmosphere polluting problem is increasingly severe, how to reduce internal combustion engine nocuousness gas Body discharge also receives more and more public attentions, therefore how to improve the fuel economy of diesel engine and reduce diesel engine Noxious gas emission is that scientific research institution and manufacturing enterprise must solve the problems, such as to meet stringent emission regulation, conventional diesel engine By being limited in structure, air mass and air inlet kinetic energy are insufficient, prevent diesel oil from diffuseing to form high quality rapidly in a combustion chamber Gaseous mixture, cause Diesel Engine Fuel Economy not good enough, emission level is higher, therefore promoted diesel engine intake quality to improve on The problem of stating is an effective method.

Utility model content

The purpose of this utility model is to provide diesel engine inlets, can effectively increase the every circulation of diesel engine Air inflow improves the vortex intensity for entering burning indoor gas, the efficiency of combustion of fuel is improved, to improve the function of diesel engine Rate, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

Diesel engine inlet, including horizontal air intake duct, the horizontal air intake duct left side are provided with air inlet, the water It is fixedly connected with vertical air inlet road on the right side of flat air intake duct, vertical air inlet road inner cavity offers main air intake, the main air inlet Secondary air intake duct is provided on the outside of road, the pair air intake duct inner cavity is provided with the first auxiliary inlet manifold, the second auxiliary inlet manifold, described Offer the first auxilairy air intake, the second auxilairy air intake at the top of secondary air intake duct, first auxiliary inlet manifold bottom end passes through the One venthole is connected to secondary air intake duct, and second auxiliary inlet manifold is connected to by the second venthole with secondary air intake duct, described to hang down Straight air flue bottom is fixedly installed suction valve cone, and the suction valve cone bottom is fixedly connected with combuster.

Further, the horizontal air intake duct inner cavity offers admission line, and the main air intake, secondary air intake duct with Admission line connection.

Further, the horizontal air intake duct and secondary air intake duct junction are circular arc chamfering.

Further, the horizontal air intake duct, main air intake inner surface open up fluted.

Further, first auxiliary inlet manifold, the second auxiliary inlet manifold are staggered, and first additional-air inlet Pipe, the second auxiliary inlet manifold are spirally wound on the outside of main air intake.

Further, first auxilairy air intake and the second auxilairy air intake, the first venthole and the second venthole are equal Positioned at secondary air intake duct two sides.

The beneficial effects of the utility model are: diesel engine inlet involved in the utility model, by be arranged into Port connects convenient for the installation of air intake duct, enters in air intake duct convenient for gas, and by the way that vertical air inlet road is arranged, gas is entering It can be shunted when vertical air inlet road, a part enters combustion chamber by main air intake, and a part is into the first auxiliary inlet manifold, the Two auxiliary inlet manifolds are discharged by the first auxilairy air intake, the second auxilairy air intake, then the gas in auxiliary inlet manifold enters When main air intake, effectively gas can be disturbed, increase the kinetic energy of gas, the vortex after making gas enter combustion chamber is strong Degree is strengthened, and promotes fuel oil that can be distributed in the combustion chamber more uniform, is burnt more abundant, to improve the function of diesel engine Rate.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel specific embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

Fig. 1 is the cross-sectional view of the utility model diesel engine inlet；

Fig. 2 is the vertical air inlet road top view of the utility model diesel engine inlet；

Fig. 3 is the auxiliary inlet manifold schematic diagram of the utility model diesel engine inlet；

Figure label: 1, horizontal air intake duct；2, air inlet；3, vertical air inlet road；4, main air intake；5, secondary air intake duct；6, First auxiliary inlet manifold；7, the second auxiliary inlet manifold；8, the first auxilairy air intake；9, the second auxilairy air intake；10, the first outlet Hole；11, the second venthole；12, suction valve cone；13, combustion chamber；14, admission line；15, circular arc chamfering；16, groove.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution:

Diesel engine inlet, including horizontal air intake duct 1 are provided with air inlet 2 on the left of the horizontal air intake duct 1, just It connects in the installation of air intake duct, enters in admission line 14 convenient for gas, be fixedly connected on the right side of the horizontal air intake duct 1 vertical Air intake duct 3,3 inner cavity of vertical air inlet road offer main air intake 4, secondary air intake duct 5 are provided on the outside of the main air intake 4, 5 inner cavity of the pair air intake duct is provided with the first auxiliary inlet manifold 6, the second auxiliary inlet manifold 7, opens up at the top of the pair air intake duct 5 There are the first auxilairy air intake 8, the second auxilairy air intake 9,6 bottom end of the first auxiliary inlet manifold passes through the first venthole 10 and pair Air intake duct 5 is connected to, and second auxiliary inlet manifold 7 is connected to by the second venthole 11 with secondary air intake duct 5, and gas is entering vertically It can be shunted when air intake duct 3, a part enters combustion chamber by main air intake 4, and a part enters the first auxiliary inlet manifold 6, the Two auxiliary inlet manifolds 7 are discharged by the first venthole 10, the second venthole 11, then the gas in auxiliary inlet manifold enters master When air intake duct 4, effectively gas can be disturbed, increase the kinetic energy of gas, gas is made to enter the vortex behind combustion chamber 13 Intensity is strengthened, and promotes fuel oil that can be distributed in combustion chamber 13 more uniform, is burnt more abundant, to improve diesel engine Power, 3 bottom of vertical air inlet road is fixedly installed suction valve cone 12, and 12 bottom of suction valve cone is fixedly connected with combustion Burn room 13.

More specifically, 1 inner cavity of horizontal air intake duct offers admission line 14, and the main air intake 4, secondary air inlet Road 5 is connected to admission line 14, and guaranteeing can be distinguished and admirable when gas is at secondary air intake duct 5, the horizontal air intake duct 1 and secondary air inlet 5 junction of road is circular arc chamfering 15, reduces the resistance flowed to gas, the horizontal air intake duct 1,4 inner surface of main air intake are equal Fluted 16 are opened up, first auxiliary inlet manifold 6, the second auxiliary inlet manifold 7 are staggered, and first auxiliary inlet manifold 6, the second auxiliary inlet manifold 7 is spirally wound on the outside of main air intake 4, improve diesel engine inlet vortex intensity and Swirl ratio, first auxilairy air intake 8 are respectively positioned on the second auxilairy air intake 9, the first venthole 10 and the second venthole 11 Secondary 5 two sides of air intake duct.

Utility model works principle: when in use, gas enters admission line 14 by air inlet 2, reaches in gas It can be shunted behind vertical air inlet road 3, a part enters combustion chamber 13 by main air intake 4, and a part enters the first auxiliary inlet manifold 6, the second auxiliary inlet manifold 7 is discharged by the first venthole 10, the second venthole 11, and the gas in auxiliary inlet manifold enters When main air intake 4, effectively gas can be disturbed, increase the kinetic energy of gas, improve and enter gas in combustion chamber 13 Vortex intensity, improves the efficiency of combustion of fuel, to improve the power of diesel engine.

The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical Novel protection scope.

Claims

1. diesel engine inlet, including horizontal air intake duct (1), it is characterised in that: setting on the left of the horizontal air intake duct (1) Have air inlet (2), is fixedly connected with vertical air inlet road (3) on the right side of the horizontal air intake duct (1), in the vertical air inlet road (3) Chamber offers main air intake (4), is provided with secondary air intake duct (5) on the outside of the main air intake (4), described pair air intake duct (5) inner cavity Be provided with the first auxiliary inlet manifold (6), the second auxiliary inlet manifold (7), offered at the top of the pair air intake duct (5) first assist into Port (8), the second auxilairy air intake (9), the first auxiliary inlet manifold (6) bottom end pass through the first venthole (10) and secondary air inlet Road (5) connection, second auxiliary inlet manifold (7) by the second venthole (11) with pair air intake duct (5) be connected to, it is described vertically into Air flue (3) bottom is fixedly installed suction valve cone (12), and suction valve cone (12) bottom is fixedly connected with combuster (13).

2. diesel engine inlet according to claim 1, it is characterised in that: open horizontal air intake duct (1) inner cavity Equipped with admission line (14), and the main air intake (4), secondary air intake duct (5) are connected to admission line (14).

3. diesel engine inlet according to claim 1, it is characterised in that: the horizontal air intake duct (1) and it is secondary into Air flue (5) junction is circular arc chamfering (15).

4. diesel engine inlet according to claim 1, it is characterised in that: the horizontal air intake duct (1), main air inlet Road (4) inner surface opens up fluted (16).

5. diesel engine inlet according to claim 1, it is characterised in that: first auxiliary inlet manifold (6), Two auxiliary inlet manifolds (7) are staggered, and first auxiliary inlet manifold (6), the second auxiliary inlet manifold (7) are spirally wound on On the outside of main air intake (4).

6. diesel engine inlet according to claim 1, it is characterised in that: first auxilairy air intake (8) with Second auxilairy air intake (9), the first venthole (10) and the second venthole (11) are respectively positioned on secondary air intake duct (5) two sides.