CN2519025Y

CN2519025Y - Diesel engine

Info

Publication number: CN2519025Y
Application number: CN01247832U
Authority: CN
Inventors: 杨永忠; 张海丰
Original assignee: Kunming Yunnei Power Co Ltd
Current assignee: Kunming Yunnei Power Co Ltd
Priority date: 2001-09-30
Filing date: 2001-09-30
Publication date: 2002-10-30
Anticipated expiration: 2011-09-30

Abstract

The utility model relates to a diesel engine, which is to solve the performance problem of engine. The new components of the utility model mainly are as follow: a wind inlet tube(1), a wind inlet channel(2), a high voltage oil pipe(6), a combustion chamber(6), a wind inlet valve seat(10), a wind inlet valve(9), a wind outlet valve seat(7) and a wind outlet valve(8). The economical efficiency, environment protection and the power performance of the utility model reach a new standard.

Description

A kind of diesel engine

One, technical field

The utility model relates to a kind of diesel engine of overall improvement assembling.

Two, background technique

Diesel engine is done as a whole after invention creates, go through century-oldly, innovate again, as if just do not occurred as big, revolutionary technology, but to be not the technological innovation of the sector just stopped for this, because, reduce toxic emission round reducing fuel consume, improve the Economy of motor, the technological innovation of reliability or the like aspect was not all broken always, as the motor of ECI electronic control injection fuel oil, was exactly good example.

At present, patent in China's application technology relevant with diesel engine is a lot, as announcing on April 7th, 1999, notification number CN1213040A, name is called the patent application of " manufacture method of combustion engine cylinder head ", on June 18th, 1997 was announced, and notification number is CN1152071A, and name is called the patent application of " direct injection chamber of diesel engine " or the like; But above-mentioned application is to pay attention to local improvement and innovation more, diesel engine is made as a whole solution consider seldom, and is not enough, so be difficult to estimate its quality.

Industry development is target with economic benefits, diesel engine is as a kind of human work, the article that life is used, the target directing of its technological innovation is a target to obtain better Economy also, the purpose of this utility model just provides a kind of overall plan that solves the diesel engine Economy, by the air inlet to key, oil spout, intake and exhaust control creates a kind of improved diesel engine.

Three, summary of the invention

Technology contents of the present utility model is such: a kind of diesel engine, and by cylinder body, cylinder head, piston, firing chamber, oil sprayer, connecting rod, distribution device, fuel supply mechanism, compositions such as lubricating structure.Intake duct 2, oil sprayer 3, exhaust valve seat 7, exhaust valve 8, intake valve 9, suction valve cone 10 are installed on the cylinder head 5, and intake duct 2 is connecting suction tude 1, is connecting high-pressure oil pipe 6 on the oil sprayer 3, is provided with reducing w-type combustion chamber 4 on the end face of piston 11.

Wherein, three suction ports are arranged is respectively suction port 12 to suction tude 1, suction port 13, the diameter (φ) of suction port 14, these three suction ports is 45～65 millimeters, its predominant tube diameter (φ 1) is 60～80 millimeters;

High-pressure oil pipe 6 its internal diameters (φ 2) are of a size of 1.4～1.8 millimeters;

Intake duct 2 is the spiral vortex air flue, and the size (D advances) of import center to cylinder head bottom surface is 51～53 millimeters, and outlet diameter (D goes out) is 36～40 millimeters, and its inlet end face is square, and exit end face is circular;

The position of reducing w-type combustion chamber 4, the distance of its center and cylinder axis is 0～4 millimeter of an axial dimension, 4～8 millimeters of radial dimensions, the angle at center, firing chamber (β) is that 150～170 degree, angle (γ) are 100～120 degree, end face fillet radius (R1) is 9～11 millimeters, and bottom surface fillet radius (R2) is 5～7 millimeters, dark (H) 15～17.5 millimeters in firing chamber, opening diameter (φ 3) is of a size of 50～70 millimeters, and bottom radius (R3) is 31～33.5 millimeters.

Exhaust valve seat 7 is a hollow ring, on one side endoporus is a circular cone, its bottom surface diameter (φ 4) chi is 35～35.25 millimeters, and another side is that height is that round platform, its center-hole diameter (φ 5) of 1.7 millimeters is of a size of 32～32.25 millimeters; The gauge size diameter (φ 6) of long trumpet type exhaust valve 8 head circular cone is of a size of 35～36 millimeters, and end face diameter (φ 7) is of a size of 37～38 millimeters, and circular cone table top subtended angle (β 1) is 85～95 degree;

Suction valve cone 10 is a hollow ring, endoporus is made up of three conical surfaces, the first conical surface base diameter (φ 8) is of a size of 40.5～42 millimeters, the second conical surface base diameter (φ 9) is of a size of 38～39 millimeters, center hole diameter (φ 10) is of a size of 36.5～38.5 millimeters, and the 3rd conical surface base diameter (φ 11) is of a size of 39～41 millimeters; The gauge size diameter (φ 12) of long trumpet type intake valve 9 head circular cone is of a size of 40～42 millimeters, and end face diameter (φ 13) is of a size of 43～45 millimeters, and circular cone table top subtended angle (β 2) is 115～125 degree.

The transition of the circular cone table top on inlet and outlet door and the inlet and outlet gate seat all changes straight transitions into from the arc transition in past, and has changed the size of inlet and outlet doors.

This diesel engine, its cylinder bore are of a size of 95～110 millimeters.

Obviously, the technology contents emphasis of this diesel engine is in the improvement and composite structure thereof of the improvement of the improvement of the tissue of air inlet, injection pressure, firing chamber and inlet and outlet door, and with the diesel engine that this combination obtains, its beneficial effect is:

(1), can optionally organize air inlet preferably and fuel oil easily and mix, make sufficient combustion, improve air utilization ratio, reduce oil consumption, reduce discharging, thereby improved the Economy and the feature of environmental protection of this machine;

(2), this combination derives from theoretical calculation design and the test repeatedly and the high-quality processing and assembling of science, makes it reach the effect of usage requirement.

Four, description of drawings

Fig. 1 is an agent structure schematic representation of the present utility model;

Fig. 2 is an inlet and outlet door key plan;

Fig. 3 is the suction tude plan view;

Fig. 4 is the suction tude left view;

Fig. 5 is the high-pressure oil pipe cross section view;

Fig. 6 is the intake duct plan view;

Fig. 7 is an A-A cross section view among Fig. 8;

Fig. 8 is the firing chamber key plan;

Fig. 9 is the intake valve plan view;

Figure 10 is the suction valve cone cross section view;

Figure 11 is the exhaust valve plan view;

Figure 12 is the exhaust valve seat cross section view.

It is whole accompanying drawing of the present utility model that above-mentioned accompanying drawing is not represented.

Five, embodiment

Below in conjunction with accompanying drawing of the present utility model embodiment of the present utility model is described in more detail.

Embodiment of the present utility model is such: a kind of diesel engine, and by cylinder body, cylinder head, piston, firing chamber, oil sprayer, connecting rod, distribution device, fuel supply mechanism, compositions such as lubricating structure.Intake duct 2, oil sprayer 3, exhaust valve seat 7, exhaust valve 8, intake valve 9, suction valve cone 10 are installed on the cylinder head 5, and intake duct 2 is connecting suction tude 1, is connecting high-pressure oil pipe 6 on the oil sprayer 3, is provided with reducing w-type combustion chamber 4 on the end face of piston 11.

Wherein, three suction ports are arranged is respectively suction port 12 to suction tude 1, suction port 13, the diameter (φ) of suction port 14, these three suction ports is 50 millimeters, its predominant tube diameter (φ 1) is 70 millimeters.

High-pressure oil pipe 6 its internal diameters (φ 2) are of a size of 1.6 millimeters.

Intake duct 2 is the spiral vortex air flue, and the size (D advances) of import center to cylinder head bottom surface is 53 millimeters, and outlet diameter (D goes out) is 40 millimeters, and its inlet end face is square, and exit end face is circular.

The position of reducing w-type combustion chamber 4, the distance of its center and cylinder axis is 2 millimeters of axial dimensions, 6 millimeters of radial dimensions, the angle at center, firing chamber (β) is that 160 degree, angle (γ) are 110 degree, end face fillet radius (R1) is 10 millimeters, and bottom surface fillet radius (R2) is 6 millimeters, dark (H) 16 millimeters in firing chamber, opening diameter (φ 3) is of a size of 60 millimeters, and bottom radius (R3) is 32 millimeters.

Exhaust valve seat 7 is a hollow ring, on one side endoporus is a circular cone, its bottom surface diameter (φ 4) chi is 35.1 millimeters, and another side is that height is that round platform, its center-hole diameter (φ 5) of 1.7 millimeters is of a size of 32.1 millimeters; The gauge size diameter (φ 6) of long trumpet type exhaust valve 8 head circular cone is of a size of 35.5 millimeters, and end face diameter (φ 7) is of a size of 37.5 millimeters, and circular cone table top subtended angle (β 1) is 90 degree.

Suction valve cone 10 is a hollow ring, endoporus is made up of three conical surfaces, the first conical surface base diameter (φ 8) is of a size of 41.5 millimeters, the second conical surface base diameter (φ 9) is of a size of 38.5 millimeters, center hole diameter (φ 10) is of a size of 37 millimeters, and the 3rd conical surface base diameter (φ 11) is of a size of 40 millimeters; The gauge size diameter (φ 12) of long trumpet type intake valve 9 head circular cone is of a size of 41 milli miaows, and end face diameter (φ 13) is of a size of 44 millimeters, and circular cone table top subtended angle (β 2) is 120 degree.

The transition of the circular cone table top on inlet and outlet door and the inlet and outlet gate seat all changes straight transitions into from the arc transition in past, and has changed the size of inlet and outlet doors.4 millimeters of the position deviation cylinder centerlines of inlet and outlet door.

The spray orifice of oil sprayer 3 is to cylinder axis axial 2.5 millimeters in the cylinder covering position, radially 11 millimeters.The center line of oil sprayer 3 and the angle of cylinder centerline are 15 degree.

This diesel engine, its cylinder bore are of a size of 100 millimeters.

All the other structures of this diesel engine are the same with existing diesel engine.

Claims

1, a kind of diesel engine, by cylinder body, cylinder, cylinder head, piston, the firing chamber, oil sprayer, connecting rod, distribution device, fuel supply mechanism, compositions such as lubricating structure is characterized in that: intake duct (2), oil sprayer (3), exhaust valve seat (7), exhaust valve (8), intake valve (9), suction valve cone (10) are installed on the cylinder head (5), and intake duct (2) is connecting suction tude (1), connect high-pressure oil pipe (6) on the oil sprayer (3), on the end face of piston (11), be provided with reducing w-type combustion chamber (4);

Wherein, three suction ports are arranged is respectively suction port (12) to suction tude (1), suction port (13), the diameter (φ) of suction port (14), these three suction ports is 45～65 millimeters, its predominant tube diameter (φ 1) is 60～80 millimeters;

Its internal diameter of high-pressure oil pipe (6) (φ 2) is of a size of 1.4～1.8 millimeters;

Intake duct (2) is the spiral vortex air flue, and the size (D advances) of import center to cylinder head bottom surface is 51～55 millimeters, and outlet diameter (D goes out) is 36～44 millimeters, and its inlet end face is square, and exit end face is circular;

The position of reducing w-type combustion chamber (4), the distance of its center and cylinder axis is 0～4 millimeter of an axial dimension, 4～8 millimeters of radial dimensions, the angle at center, firing chamber (β) is that 150～170 degree, angle (γ) are 100～120 degree, end face fillet radius (R1) is 9～11 millimeters, bottom surface fillet radius (R2) is 5～7 millimeters, and firing chamber dark (H) 15～17.5 millimeters, opening diameter (φ 3) are of a size of 50～70 millimeters, and bottom radius (R3) is 31～33.5 millimeters;

Exhaust valve seat (7) is a hollow ring, on one side endoporus is a circular cone, its bottom surface diameter (φ 4) is of a size of 35～35.25 millimeters, and another side is that a round platform, its center-hole diameter (φ 5) are of a size of 32～32.25 millimeters; The gauge size diameter (φ 6) of long trumpet type exhaust valve (8) head circular cone is of a size of 35～36 millimeters, and end face diameter (φ 7) is of a size of 37～38 millimeters, and circular cone table top subtended angle (β 1) is 85～95 degree;

Suction valve cone (10) is a hollow ring, endoporus is made up of three conical surfaces, the first conical surface base diameter (φ 8) is of a size of 40.5～42 millimeters, the second conical surface base diameter (φ 9) is of a size of 38～39 millimeters, center hole diameter (φ 10) is of a size of 36.5～38.5 millimeters, and the 3rd conical surface base diameter (φ 11) is of a size of 39～41 millimeters; The gauge size diameter (φ 12) of long trumpet type intake valve (9) head circular cone is of a size of 40～42 millimeters, and end face diameter (φ 13) is of a size of 43～45 millimeters, and circular cone table top subtended angle (β 2) is 115～125 degree.

2, a kind of diesel engine according to claim 1 is characterized in that: the cylinder bore of this motor is of a size of 95～110 millimeters.