CN215170412U

CN215170412U - Cylinder head of large air door inclination angle spherical combustion chamber structure

Info

Publication number: CN215170412U
Application number: CN202121555920.1U
Authority: CN
Inventors: 李海洋; 王昌勇; 刘隆平
Original assignee: Chongqing Genkins Power Equipment Co ltd
Current assignee: Chongqing Genkins Power Equipment Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-14
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a cylinder head with a large valve inclination angle spherical combustion chamber structure, which comprises a cylinder head body, wherein one side of the top of the cylinder head body is provided with a first valve guide pipe, the other side of the top of the cylinder head body is provided with a second valve guide pipe, one side of the cylinder head body close to the first valve guide pipe is provided with an air inlet channel, one side of the cylinder head body close to the second valve guide pipe is provided with an exhaust channel, sealing rings are embedded between the upper surface of the first valve guide pipe and the upper surface of the second valve guide pipe and a guide pipe hole of the cylinder head body, the bottoms of the inlet valve and the exhaust valve are provided with valve seat rings, an exhaust valve is arranged below the second valve guide pipe, a combustion chamber is arranged below the exhaust valve and the inlet valve, the utility model prolongs the service life of the whole cylinder head body and greatly improves the air inlet and exhaust efficiency of an engine, the power of the engine is effectively improved.

Description

Cylinder head of large air door inclination angle spherical combustion chamber structure

Technical Field

The utility model relates to a general engine cylinder head technical field specifically is a cylinder head of spherical combustion chamber structure in big valve inclination.

Background

In daily domestic cleaning means, for example water pump, sweeper, cleaning machine etc. all provide power for them through the engine, and the cylinder head is one of the very important key part of engine, and the combustion chamber inner structure of cylinder head fully plays decisive effect whether burning to fuel, and along with global energy saving, environmental protection consciousness's improvement, the cylinder head is also constantly pursuing energy saving and emission reduction to satisfy market demand, improve self competitiveness.

However, the general cylinder head has short service life, low intake and exhaust efficiency and larger service power of the engine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder head of big valve inclination spherical combustion chamber structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the cylinder head comprises a cylinder head body, wherein a first valve guide pipe is arranged on one side of the top of the cylinder head body, a second valve guide pipe is arranged on the other side of the top of the cylinder head body, an air inlet channel is arranged on one side, close to the first valve guide pipe, of the cylinder head body, an exhaust channel is arranged on one side, close to the second valve guide pipe, of the cylinder head body, sealing rings are embedded between the upper surface of the first valve guide pipe and the upper surface of the second valve guide pipe and a guide pipe hole of the cylinder head body, the sealing rings are arranged in a ring shape, an intake valve is arranged below the first valve guide pipe, valve seat rings are arranged at the bottoms of the intake valve and the exhaust valve, an exhaust valve is arranged below the second valve guide pipe, and a combustion chamber is arranged below the exhaust valve and the intake valve.

Preferably, the exhaust valve and the intake valve are symmetrically and obliquely arranged.

Preferably, the combustion chamber is provided in a spherical shape.

Preferably, the intake valve is made of a chromium steel material, the exhaust valve is made of a silicon-chromium-manganese steel material, the first valve guide pipe and the second valve guide pipe are made of ductile iron powder metallurgy, and the valve seat ring is made of austenitic steel.

Preferably, the head diameter of the inlet valve is 20% larger than the head diameter of the exhaust valve.

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

1. the utility model discloses a cylinder head body, first valve pipe, the sealing washer, second valve pipe, the intake duct, the exhaust passage, the (air) intake valve, the valve circle seat, exhaust valve and combustion chamber cooperation, the increase in clearance when avoiding the cylinder head body to be heated the inflation through the effect of sealing washer and cause the first oil leak scheduling problem of cylinder, make sealed (air) intake valve and exhaust valve and bear high-speed impact through the valve seat circle, the (air) intake valve, the exhaust valve, first valve pipe, second valve pipe, the heat resistance of valve seat circle is good, then the life of whole cylinder head body has been improved, and the efficiency of advancing the exhaust of engine has greatly been improved, the power of engine has effectively been improved.

Drawings

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

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a left side view of the whole body of the present invention;

FIG. 4 is a right-side view of the whole body of the present invention;

FIG. 5 is a schematic top view of the present invention;

fig. 6 is a schematic overall front view of the present invention.

In the figure: in the figure: 1-a cylinder head body; 2-a first valve conduit; 3-sealing ring; 4-a second valve guide; 5, an air inlet channel; 6-an exhaust passage; 7-an intake valve; 8-valve seat ring; 9-an exhaust valve; 10-combustion chamber.

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 a technical solution: a cylinder head with a large-valve-inclination-angle spherical combustion chamber 10 structure comprises a cylinder head body 1.

The air cylinder comprises a cylinder head body 1, an air inlet passage 5, an exhaust passage 6, an air inlet ring 3, an air outlet ring 7, an air valve seat ring 8, an exhaust valve 9 and a combustion chamber 10, wherein a first air valve guide pipe 2 is arranged on one side of the top of the cylinder head body 1, the other side of the top of the cylinder head body 1 is provided with a second air valve guide pipe 4, an air inlet passage 5 is arranged on one side of the cylinder head body 1 close to the first air valve guide pipe 2, the air outlet passage 6 is arranged on one side of the cylinder head body 1 close to the second air valve guide pipe 4, the upper surfaces of the first air valve guide pipe 2 and the second air valve guide pipe 4 and a guide pipe hole of the cylinder head body 1 are inlaid with the sealing ring 3, the sealing ring 3 is arranged in a ring shape, the lower portion of the first air valve guide pipe 2 is provided with the intake valve 7, the bottoms of the intake valve 7 and the exhaust valve 9 are provided with the valve seat rings 8, the lower portion of the second air valve guide pipe 4 is provided with the exhaust valve 9 and the combustion chamber 10.

Furthermore, conical surfaces between the inlet valve and the exhaust valve and the valve seat ring 8 are sealed, and the sealing conical surfaces between the inlet valve and the exhaust valve and the valve seat ring 8 are tightly attached.

Further, the valve retainer 8 mainly functions to seal the intake valve and the exhaust valve and to withstand high-speed impact.

Further, the problem that the cylinder head leaks oil due to the increase of the gap when the cylinder head body 1 is expanded by heat is solved through the sealing ring 3.

Wherein the exhaust valve 9 and the intake valve 7 are symmetrically and obliquely arranged.

Wherein the combustion chamber 10 is provided in a spherical shape.

Further, the combustion efficiency can be made high by the spherical arrangement of the combustion chamber 10.

Wherein the intake valve 7 is made of chromium steel, the exhaust valve 9 is made of silicon-chromium-manganese steel, the first valve guide pipe 2 and the second valve guide pipe 4 are made of nodular cast iron powder metallurgy, and the valve seat ring 8 is made of austenitic steel.

Further, the heat resistance of the intake valve 7, the exhaust valve 9, the first valve guide 2, the second valve guide 4 and the valve seat ring 8 is good, and the service life of the whole cylinder head body 1 is prolonged.

Wherein the head diameter of the intake valve 7 is 20% larger than the head diameter of the exhaust valve 9.

Further, the passage cross-sectional area of the intake valve 7 can be increased, the intake resistance can be reduced, and the intake air amount can be increased.

The working principle is as follows: when the air inlet and exhaust valve seat is used, the problems that the air cylinder head leaks oil and the like due to the fact that the sealing ring 3 is used for avoiding the increase of the clearance when the air cylinder head body 1 is expanded by heating are solved, the air inlet valve and the air outlet valve are sealed and bear high-speed impact through the valve seat ring 8, the air inlet valve 7, the air outlet valve 9, the first valve guide pipe 2, the second valve guide pipe 4 and the valve seat ring 8 are good in heat resistance, the service life of the whole air cylinder head body 1 is prolonged, through the cooperation of the first valve guide pipe 2, the second valve guide pipe 4, the air inlet channel 5, the exhaust channel 6, the air inlet valve 7, the air outlet valve 9 and the combustion chamber 10, the air inlet and exhaust efficiency of an engine is greatly improved, and the power of the engine is effectively improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a cylinder head of spherical combustion chamber structure of big valve inclination, includes cylinder head body (1), its characterized in that: a first valve guide pipe (2) is arranged on one side of the top of the cylinder head body (1), a second valve guide pipe (4) is arranged on the other side of the top of the cylinder head body (1), an air inlet channel (5) is arranged on one side, close to the first valve guide pipe (2), of the cylinder head body (1), an exhaust channel (6) is arranged on one side, close to the second valve guide pipe (4), of the cylinder head body (1), a sealing ring (3) is embedded between the upper surface of the first valve guide pipe (2) and the upper surface of the second valve guide pipe (4) and a guide pipe hole of the cylinder head body (1), the sealing ring (3) is arranged in an annular shape, an intake valve (7) is arranged below the first valve guide pipe (2), valve seat rings (8) are arranged at the bottoms of the intake valve (7) and the exhaust valve (9), and an exhaust valve (9) is arranged below the second valve guide pipe (4), and a combustion chamber (10) is arranged below the exhaust valve (9) and the intake valve (7).

2. The cylinder head of a large valve inclination angle spherical combustion chamber structure according to claim 1, characterized in that: the exhaust valve (9) and the intake valve (7) are symmetrically and obliquely arranged.

3. The cylinder head of a large valve inclination angle spherical combustion chamber structure according to claim 1, characterized in that: the combustion chamber (10) is arranged in a spherical shape.

4. The cylinder head of a large valve inclination angle spherical combustion chamber structure according to claim 1, characterized in that: the intake valve (7) is made of chromium steel, the exhaust valve (9) is made of silicon-chromium-manganese steel, the first valve guide pipe (2) and the second valve guide pipe (4) are made of nodular cast iron powder metallurgy, and the valve seat ring (8) is made of austenitic steel.

5. The cylinder head of a large valve inclination angle spherical combustion chamber structure according to claim 1, characterized in that: the head diameter of the intake valve (7) is 20% larger than that of the exhaust valve (9).