CN212838056U

CN212838056U - High-performance air inlet channel for single-cylinder diesel engine cylinder cover

Info

Publication number: CN212838056U
Application number: CN202021466668.2U
Authority: CN
Inventors: 王珣; 倪霖
Original assignee: JIANGSU WULEI MACHINERY CO Ltd
Current assignee: JIANGSU WULEI MACHINERY CO Ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-30
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a high performance intake duct for single cylinder diesel cylinder head, including air cleaner and cylinder head main part, air cleaner fixed connection is at a terminal surface of cylinder head main part, the inside fixed mounting of cylinder head main part has the cylinder head, the activity of the inside both ends of cylinder head is pegged graft and is had the valve seat, the inside both ends activity joint of cylinder head has the air pivot, the intake duct has been seted up to the inside terminal surface of cylinder head, spacing hole has been seted up to the internal surface of intake duct, the threaded hole has been seted up at a terminal surface edge of cylinder head, the spacing groove has been seted up on the inside both ends upper portion of cylinder head, the bottom surface activity joint of valve seat has the location pivot, the side center welding of location pivot has the. The utility model discloses can make the velocity of flow, flow direction and the streamline of air current change in the inside of intake duct, improve diesel engine performance, reduce oil consumption, reduce the exhaust emissions volume.

Description

High-performance air inlet channel for single-cylinder diesel engine cylinder cover

Technical Field

The utility model relates to a diesel engine cylinder head intake duct equipment technical field specifically is a high performance intake duct for single cylinder diesel cylinder head.

Background

The air inlet channel inside the cylinder cover of the existing diesel engine is simple in design, filtered air can be directly collected into the cylinder through the air inlet channel, the design structures can meet the performance requirements of a common diesel engine, but along with the further improvement of the energy-saving and emission-reduction requirements of the diesel engine, the air channel has the defects of unreasonable distribution of air inlet flow speed and disordered air inlet flow line due to the limitation of the shape, so that poor fuel atomization and insufficient mixing of fuel and air are caused, the performance and emission of the diesel engine are directly influenced, and the high-performance air inlet channel for the cylinder cover of the single-cylinder diesel engine is needed to solve the problems.

Disclosure of Invention

An object of the utility model is to provide a high performance intake duct for single cylinder diesel cylinder head to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance air inlet channel for a cylinder cover of a single-cylinder diesel engine comprises an air filter and a cylinder cover main body, wherein the air filter is fixedly connected to one end face of the cylinder cover main body, a fixing plate is welded on the outer surface of the edge of the bottom end of the air filter, a fastening screw is spirally connected to the side face of the fixing plate, the cylinder cover is fixedly installed inside the cylinder cover main body, a valve seat is movably inserted into two ends inside the cylinder cover, an air rotating shaft is movably clamped at two ends inside the cylinder cover, an air inlet channel is formed in one end face inside the cylinder cover, a limiting hole is formed in the inner surface of the air inlet channel, a threaded hole is formed in the edge of one end face of the cylinder cover, a limiting groove is formed in the upper portion of two ends inside the cylinder cover, a, the welding of the one end of connecting rod has the axle sleeve, the welding of the inside center of air pivot has the bent axle, the marginal surface in both ends of air pivot has all welded the air current board, the both ends face of air pivot has all welded spacing cardboard.

Preferably, the air filter is screwed and fixedly connected with a threaded hole in one end face of the cylinder cover through a fastening screw at the bottom end.

Preferably, the valve seat is movably inserted into two ends of the interior of the cylinder cover through a limiting groove.

Preferably, the air rotating shaft is movably clamped with the limiting holes in the inner surface of the air inlet channel through the limiting clamping plates at the two ends.

Preferably, the valve seat is movably sleeved with the crankshaft on the outer surface of the center of the air rotating shaft through a shaft sleeve at one end of the bottom outer surface positioning rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model is characterized in that the air filter is screwed and fixedly connected with the threaded hole on one end face of the cylinder cover through the fastening screw on the bottom end, the air filter can be conveniently installed and disassembled, the valve seat is movably inserted with the two ends inside the cylinder cover through the limiting groove, the gas is controlled to enter and discharge from the cylinder cover, the air rotating shaft is movably clamped with the limiting hole on the inner surface of the air inlet channel through the limiting clamping plates on the two ends, thereby ensuring the stable rotation of the air rotating shaft by taking the limiting hole as the axis center, the valve seat is movably sleeved with the crankshaft on the central outer surface of the air rotating shaft through the shaft sleeve on one end of the positioning rotating shaft on the outer surface of the bottom, thereby driving the crankshaft to rotate by taking the limiting hole as the axis center when the valve seat drives the shaft sleeve to move up and down through the positioning rotating shaft and the connecting rod, thereby effectively ensuring the rotation of, so as to form ideal velocity field and pressure field distribution, make the gas form rolling flow after entering the combustion chamber through the air inlet, enhance the turbulence intensity of the gas in the cylinder, in order to raise the combustion efficiency of the combustible mixed gas, thus improve the diesel engine performance, reduce the oil consumption, reduce the exhaust emission.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the air filter of the present invention;

FIG. 3 is a sectional view of the cylinder head body of the present invention;

FIG. 4 is a schematic view of a cutaway of a cylinder head according to the present invention;

FIG. 5 is a schematic view of the structure of the valve seat of the present invention;

fig. 6 is a schematic view of the air spindle structure of the present invention.

In the figure: the air filter comprises an air filter 1, a cylinder cover body 2, a fixing plate 3, a fastening screw 4, a cylinder cover 5, a valve seat 6, an air rotating shaft 7, an air inlet channel 8, a limiting groove 9, a threaded hole 10, a limiting hole 11, a positioning rotating shaft 12, a shaft sleeve 13, a connecting rod 14, a crankshaft 15, an airflow plate 16 and a limiting clamping plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a high-performance air inlet channel for a cylinder cover of a single-cylinder diesel engine comprises an air filter 1 and a cylinder cover main body 2, wherein the air filter 1 is fixedly connected with one end face of the cylinder cover main body 2, a fixing plate 3 is welded on the outer surface of the edge of the bottom end of the air filter 1, a fastening screw 4 is spirally connected to the side face of the fixing plate 3, a cylinder cover 5 is fixedly arranged in the cylinder cover main body 2, a valve seat 6 is movably inserted into two ends in the cylinder cover 5, air rotating shafts 7 are movably clamped at two ends in the cylinder cover 5, an air inlet channel 8 is arranged on one end face in the cylinder cover 5, a limiting hole 11 is arranged on the inner surface of the air inlet channel 8, a threaded hole 10 is arranged on the edge of one end face of the cylinder cover 5, a limiting groove 9 is arranged on the upper portion of two ends, one end of the connecting rod 14 is welded with a shaft sleeve 13, the inside center of the air rotating shaft 7 is welded with a crankshaft 15, the outer surfaces of the edges of the two ends of the air rotating shaft 7 are welded with airflow plates 16, the two end surfaces of the air rotating shaft 7 are welded with limit clamp plates 17, the air filter 1 is spirally and tightly connected with a threaded hole 10 of one end surface of the cylinder cover 5 through a fastening screw 4 at the bottom end, the air filter 1 can be conveniently installed and disassembled, the valve seat 6 is movably inserted and connected with the two ends inside the cylinder cover 5 through a limit groove 9, the gas is controlled to enter and be discharged from the cylinder cover 5, the air rotating shaft 7 is movably clamped and connected with a limit hole 11 on the inner surface of the air inlet channel 8 through the limit clamp plates 17 at the two ends, so that the air rotating shaft 7 can stably rotate by taking the limit hole 11 as an axis center, the valve seat 6 is movably sleeved and, thereby when the valve seat 6 drives axle sleeve 13 through location pivot 12 and connecting rod 14 and reciprocates, drive bent axle 15 and use spacing hole 11 to rotate as the axle center, effectual assurance air current board 16 rotates in the inside of intake duct 8, make the velocity of flow of air current, flow direction and streamline change in the inside of intake duct 8, distribute with the velocity field and the pressure field that form the ideal, form the flow that rolls after making gas get into the combustion chamber through intake duct 8, the turbulence intensity of the gaseous body in the reinforcing cylinder, in order to improve combustible mixture's combustion efficiency, thereby improve diesel engine performance, reduce the oil consumption, reduce the tail gas emission.

The air filter 1 is in threaded fastening connection with a threaded hole 10 on one end face of a cylinder cover 5 through a fastening screw 4 at the bottom end, the valve seat 6 is movably inserted into two ends of the inside of the cylinder cover 5 through a limiting groove 9, the air rotating shaft 7 is movably clamped with a limiting hole 11 on the inner surface of an air inlet channel 8 through a limiting clamping plate 17 at two ends, and the valve seat 6 is movably sleeved with a crankshaft 15 on the central outer surface of the air rotating shaft 7 through a shaft sleeve 13 on one end of a bottom outer surface positioning rotating shaft 12.

The working principle is as follows: when a diesel engine runs, the valve seat 6 can be driven to move up and down, filtered air enters the cylinder, when the valve seat 6 moves up and down, the positioning rotating shaft 12 on the outer surface of the bottom can drive the connecting rod 14 and the shaft sleeve 13 to move, the shaft sleeve 13 can drive the crankshaft 15 to rotate by taking the limiting clamping plate 17 as an axis when the shaft sleeve 13 is driven to move up and down by the connecting rod 14, the air rotating shaft 7 can integrally rotate while the crankshaft 15 rotates, the air rotating shaft 7 can drive the airflow plates 16 on the outer surfaces of the edges of the two ends to rotate, meanwhile, the airflow plates 16 can influence the flow rate of the air entering the air inlet 8, along with the change of the up and down moving speed of the valve seat 6, the air rotating shaft 7 can keep the same with the speed of the valve seat 6 along with the rotation, the flow rate of the air entering the air inlet 8 can, Flow direction and streamline change in the inside of intake duct 8, distribute with the velocity field and the pressure field that form the ideal, make gaseous form the roll flow after 8 entering combustion chambers through the intake duct, the turbulent intensity of gaseous in the reinforcing cylinder, with the combustion efficiency who improves combustible mixture, thereby improve the diesel engine performance, the oil consumption is reduced, reduce the exhaust emission, and air shaft 7 can rotate in the inside of spacing hole 11 through the spacing cardboard 17 at both ends when rotating, thereby restriction air shaft 7 pivoted position, keep air shaft 7 pivoted stability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high performance intake duct for a cylinder head of a single cylinder diesel engine, comprising an air cleaner (1) and a cylinder head body (2), characterized in that: the air filter (1) is fixedly connected to one end face of the cylinder cover main body (2), the fixing plate (3) is welded to the outer surface of the bottom end edge of the air filter (1), fastening screws (4) are spirally connected to the side face of the fixing plate (3), the cylinder cover (5) is fixedly installed inside the cylinder cover main body (2), the valve seat (6) is movably inserted into two ends inside the cylinder cover (5), the air rotating shaft (7) is movably clamped at two ends inside the cylinder cover (5), the air inlet channel (8) is formed in one end face inside the cylinder cover (5), the limiting hole (11) is formed in the inner surface of the air inlet channel (8), the threaded hole (10) is formed in the edge of one end face of the cylinder cover (5), the limiting groove (9) is formed in the upper portion of two ends inside the cylinder cover (5), and the positioning rotating shaft (12) is movably clamped on the, the side center welding of location pivot (12) has connecting rod (14), the one end welding of connecting rod (14) has axle sleeve (13), the inside center welding of air pivot (7) has bent axle (15), air current board (16) have all been welded to the both ends edge surface of air pivot (7), spacing cardboard (17) have all been welded to the both ends face of air pivot (7).

2. The high performance intake duct for a cylinder head of a single cylinder diesel engine according to claim 1, characterized in that: the air filter (1) is in screw fastening connection with a threaded hole (10) on one end face of the cylinder cover (5) through a fastening screw (4) on the bottom end.

3. The high performance intake duct for a cylinder head of a single cylinder diesel engine according to claim 1, characterized in that: the valve seat (6) is movably inserted with two ends of the interior of the cylinder cover (5) through a limiting groove (9).

4. The high performance intake duct for a cylinder head of a single cylinder diesel engine according to claim 1, characterized in that: the air rotating shaft (7) is movably clamped with the limiting hole (11) on the inner surface of the air inlet channel (8) through the limiting clamping plates (17) at the two ends.

5. The high performance intake duct for a cylinder head of a single cylinder diesel engine according to claim 1, characterized in that: the valve seat (6) is movably sleeved with a crankshaft (15) on the central outer surface of the air rotating shaft (7) through a shaft sleeve (13) at one end of the bottom outer surface positioning rotating shaft (12).