CN210714867U

CN210714867U - High-efficient cylinder cover of gasoline engine

Info

Publication number: CN210714867U
Application number: CN201921531912.6U
Authority: CN
Inventors: 苏尚; 王一维
Original assignee: Changzhou Fuji Changchai Robin Gasoline Engine Co Ltd
Current assignee: Changzhou Fuji Changchai Robin Gasoline Engine Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-09
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a high-efficiency cylinder cover of a gasoline engine, which has the technical scheme that a positioning pin hole is used for being matched with a positioning device above a cylinder block, a bolt is rotationally installed through a fastening threaded hole, and a comprehensive threaded hole fixes an air inlet structure, so that the air inlet structure is combined and positioned, the impact of internal combustion movement can be borne, the stability of equipment is improved, and the high efficiency and the stability are realized; the height in the positioning device is positioned through the supporting part, and the inclined structure of the positioning part is used for positioning precision, improving fault tolerance rate, improving equipment precision and reducing fit clearance, so that the efficiency of the gasoline engine is improved; adopt oil-gas mixture mechanism through the intake pipe for carry and admit air, atomize gasoline through the atomizer and then enter into the combustion chamber of cylinder block through the intake pipe with air mixing, the more abundant of burning promotes combustion efficiency and can reduce because the insufficient tail gas pollution who brings of burning, energy-concerving and environment-protective.

Description

High-efficient cylinder cover of gasoline engine

Technical Field

The utility model relates to the field of automobiles, in particular to high-efficient cylinder head of gasoline engine.

Background

The pneumatic actuator converts the pressure energy of compressed gas into mechanical energy in pneumatic transmission. The cylinder has two types of reciprocating linear motion and reciprocating swing. The cylinder cover is used for sealing the cylinder, forming a combustion space together with the piston and bearing high-temperature and high-pressure fuel gas.

The cylinder head is subjected to mechanical loads caused by gas forces and tightening of the cylinder bolts, and also to high thermal loads due to contact with the hot gases. In order to ensure a good sealing of the cylinder, the cylinder head can neither be damaged nor deformed. For this reason, the cylinder head needs to have sufficient strength and rigidity, and the connection stability of the cylinder and the cylinder head is emphasized, so that the stability of a simple fixing structure needs to be enhanced; in addition, the structure of the existing cylinder and cylinder cover is complex, the installation and positioning are complex, and the efficiency is low, so that the utility model relates to a high-efficiency cylinder cover of a gasoline engine solves the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a high-efficiency cylinder cover of a gasoline engine, which is used for matching with a positioning device above a cylinder block through a positioning pin hole, is rotatably provided with a bolt through a fastening threaded hole, is combined and positioned by fixing an air inlet structure through a comprehensive threaded hole, can bear the impact of internal combustion movement, increases the stability of equipment, and is high-efficiency and stable; the height in the positioning device is positioned through the supporting part, and the inclined structure of the positioning part is used for positioning precision, improving fault tolerance rate, improving equipment precision and reducing fit clearance, so that the efficiency of the gasoline engine is improved; adopt oil-gas mixture mechanism through the intake pipe for carry and admit air, atomize gasoline through the atomizer and then enter into the combustion chamber of cylinder block through the intake pipe with air mixing, the more abundant of burning promotes combustion efficiency and can reduce because the insufficient tail gas pollution who brings of burning, energy-concerving and environment-protective.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the high-efficiency cylinder cover of the gasoline engine comprises a cylinder seat and a cylinder cover, wherein three groups of positioning devices which are uniformly distributed are arranged in the middle of the upper end of the cylinder seat, the cylinder cover is arranged in a gap mode through the positioning of the positioning devices, the cylinder seat is made of aluminum alloy materials, the cylinder seat has good heat resistance and light self weight, the load of the gasoline engine is effectively reduced, the energy consumption is reduced, four groups of cylinder bodies are uniformly distributed in the cylinder seat, pistons are slidably arranged on the inner wall of a cylinder at the upper end of each cylinder body and divide the interior of each cylinder body into an upper part and a lower part, a combustion chamber is arranged at the upper part of each cylinder body, a transmission structure is arranged at the lower end of each cylinder body, a piston rotating block is fixedly arranged in the lower part of each piston rotating block, an inclined rod is rotatably arranged in, the lower end of the diagonal rod is rotatably installed in the fixed block, the fixed block is fixedly installed on the side edge of the crankshaft, the crankshaft is used for transmitting power, the right side of the crankshaft is fixedly installed on the outer side of the transmission shaft, and the inner side surface of the cylinder block is provided with a transmission device which is connected with the transmission shaft through the transmission device, so that the rotation of the transmission shaft is transmitted to external equipment and used for providing power for the equipment; a gasket is arranged between the cylinder seat and the cylinder cover, and an air inlet pipe, a spark plug and an exhaust pipe are arranged above the cylinder body in the cylinder cover.

Furthermore, an alloy coating is arranged in the cylinder body, the surface quality is improved through shot blasting, the sealing performance and the corrosion resistance of the cylinder body are improved, and the cylinder body is of a combined structure with an upper cylinder and a lower sphere.

Furthermore, the gasket adopts the silica gel material, has good ductility, can promote the leakproofness of cylinder block and cylinder head, and the gasket structure is the same with cylinder head section structure.

Furthermore, the positioning device comprises a positioning pin, a supporting part and a positioning part, the positioning pin is fixedly installed inside the cylinder seat, the positioning part is arranged at the upper end of the supporting part, and the supporting part is arranged at the upper end of the positioning part.

Further, the cylinder head is inside including fabrication hole, piston mouth, screw hole, fastening screw hole, air inlet, gas vent, the mouth of striking a fire and locating pin hole, the cylinder head adopts aluminum alloy material casting postprocessing to form, and the quality is light, hardness is high, and corrosion resistance is strong, the cylinder head is symmetrical structure, and the cylinder head middle part is provided with the piston mouth, the piston mouth is the combustion chamber structure of cylinder block top, the inside left side of piston mouth is provided with the air inlet, the inside right side of piston mouth is provided with the gas vent, the inside right side of piston mouth is provided with the air inlet.

Further, the air inlet is connected with the intake pipe of top, the intake pipe adopts oil-gas mixing mechanism for carry and admit air, the gas vent is connected with the blast pipe of top, discharges the waste gas after will burning through the gas vent, the air inlet is connected with the spark plug of top, the air inlet top is provided with automatically controlled ignition device for strike sparks the oil-gas mixture of inside entering and light.

Furthermore, the upper side and the lower side of the cylinder cover are symmetrically provided with the process holes, the process holes are internally of hollow structures, the self weight is reduced while the structural strength of the equipment is ensured, the carrying efficiency of an engine is improved, and the oil consumption is reduced.

Furthermore, threaded holes are uniformly distributed on the periphery of the outer side of the piston port, the cylinder body structure is fixed through the threaded holes, positioning pin holes are further formed in the middle between the air inlets and are used for being matched with a positioning device above the cylinder seat to guarantee installation and positioning, four groups of fastening threaded holes are formed in the peripheral corners of the cylinder cover, bolts are rotatably installed through the fastening threaded holes, the cylinder cover and the cylinder seat are reinforced through the bolt groups, the air inlet structure is fixed through the comprehensive threaded holes, combination and positioning are carried out, impact of internal combustion movement can be borne, and stability of equipment is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the positioning pin hole is used for being matched with a positioning device above the cylinder seat to ensure mounting and positioning, the fastening threaded hole is rotatably provided with a bolt, the cylinder cover and the cylinder seat are reinforced through the bolt group, and the air inlet structure is fixed through the comprehensive threaded hole to carry out combined positioning, so that the impact of internal combustion movement can be borne, the stability of equipment is improved, and the efficiency and the stability are high;

2. the inner height of the positioning device is positioned through the supporting part, and the positioning device is used for precision positioning through the inclined structure of the positioning part, so that the fault tolerance rate is improved, the mounting is convenient, the equipment precision is improved, and the fit clearance is reduced, so that the efficiency of the gasoline engine is improved;

3. through the hollowing design of the fabrication holes, the self weight is reduced while the structural strength of the equipment is ensured, the carrying efficiency of the engine is improved, and the oil consumption is reduced; adopt oil-gas mixture mechanism through the intake pipe for carry and admit air, atomize gasoline through the atomizer and then enter into the combustion chamber of cylinder block through the intake pipe with air mixing, the more abundant of burning promotes combustion efficiency and can reduce because the insufficient tail gas pollution who brings of burning, energy-concerving and environment-protective.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency cylinder head of a gasoline engine;

FIG. 2 is a top view structural diagram of a cylinder head in a high-efficiency cylinder head of a gasoline engine;

FIG. 3 is a partial cross-sectional view of a high efficiency cylinder head mid-position device of a gasoline engine.

In the figure, 1, a cylinder block; 2. a cylinder block; 3. a cylinder head; 31. a fabrication hole; 32. a piston port; 33. a threaded hole; 34. fastening the threaded hole; 35. an air inlet; 36. an exhaust port; 37. a fire hole is formed; 38. a positioning pin hole; 5. a positioning device; 51. positioning pins; 52. a support portion; 53. a positioning part; 6. a drive shaft; 7. a crankshaft; 8. a fixed block; 9. a diagonal bar; 10. a piston; 11 a piston turning block; 12. an air inlet pipe; 13. a spark plug; 14. an exhaust pipe; 15 shim.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, in order to provide a high-efficiency cylinder head for a gasoline engine according to a preferred embodiment of the present invention, the cylinder head 1 comprises a cylinder block 1 and a cylinder head 3, the cylinder block 1 is made of an aluminum alloy material and has good heat resistance and light weight, so as to effectively reduce the load of the vehicle and reduce energy consumption, four groups of cylinder blocks 2 are uniformly distributed in the cylinder block 1, an alloy coating is disposed in each cylinder block 2, and is subjected to shot blasting treatment to improve surface quality and increase the sealing property and corrosion resistance of the cylinder block 2, the cylinder block 2 is a combined structure of an upper cylinder and a lower sphere, a piston 10 is slidably mounted on the inner wall of the cylinder at the upper end of the cylinder block 2, the piston 10 divides the interior of the cylinder block 2 into an upper part and a lower part, wherein the upper part of the cylinder block 2 is a combustion chamber, the lower end of the, the inclined rod 9 is made of high-manganese alloy steel materials, has good strength and toughness, can bear frequent periodic stress movement, and improves the stability of the structure, the lower end of the inclined rod 9 is rotatably installed in the fixed block 8, the fixed block 8 is fixedly installed on the side edge of the crankshaft 7, the crankshaft 7 is used for transmitting power, the right side of the crankshaft 7 is fixedly installed on the outer side of the transmission shaft 6, the inner side surface of the cylinder seat 1 is provided with a transmission device, and is connected with the transmission shaft 6 through the transmission device, so that the rotation of the transmission shaft 6 is transmitted to external equipment for providing power for the equipment;

the middle part of the upper end of the cylinder seat 1 is provided with three groups of positioning devices 5 which are uniformly distributed, the cylinder cover 3 is arranged in a clearance way through the positioning of the positioning devices 5, a gasket 15 is arranged between the cylinder seat 1 and the cylinder cover 3, the gasket 15 is made of silica gel and has good ductility, the sealing performance of the cylinder seat 1 and the cylinder cover 3 can be improved, the structure of the gasket 15 is the same as the section structure of the cylinder cover 3, as shown in figure 3, the positioning device 5 comprises a positioning pin 51, a supporting part 52 and a positioning part 53, the positioning pin 51 is fixedly arranged in the cylinder seat 1, the upper end of the supporting part 52 is provided with the positioning part 53, the upper end of the positioning part 53 is provided with the supporting part 52, the height in the positioning device 5 is positioned through the supporting part 52, the positioning part 53 adopts an inclined structure, the, the precision of the equipment is improved, and the fit clearance is reduced, so that the efficiency of the gasoline engine is improved;

as shown in fig. 2, an air inlet pipe 12, a spark plug 13 and an exhaust pipe 14 are arranged above the cylinder block 2 inside the cylinder head 3, the cylinder head 3 includes a fabrication hole 31, a piston port 32, a threaded hole 33, a fastening threaded hole 34, an air inlet 35, an exhaust port 36, a sparking hole 37 and a positioning pin hole 38 inside, the cylinder head 3 is cast and processed by aluminum alloy materials, the cylinder head 3 is light in weight, high in hardness and strong in corrosion resistance, the cylinder head 3 is of a symmetrical structure, the piston port 32 is arranged in the middle of the cylinder head 3, the piston port 32 is a combustion chamber structure above the cylinder block 2, the air inlet 35 is arranged on the left side inside the piston port 32, the air inlet 35 is connected with the air inlet pipe 12 above, the air inlet pipe 12 adopts an oil-gas mixing mechanism for conveying intake air, gasoline is atomized by an atomizer and then mixed with air to enter the combustion, the combustion is more sufficient, the combustion efficiency is improved, the tail gas pollution caused by insufficient combustion can be reduced, the energy is saved, the environment is protected, an exhaust port 36 is arranged on the right side inside the piston port 32, the exhaust port 36 is connected with an exhaust pipe 14 above the exhaust port 36, the exhaust pipe 14 discharges the combusted waste gas, an air inlet 35 is arranged on the right side inside the piston port 32, the air inlet 35 is connected with a spark plug 13 above the air inlet 35, and an electric control ignition device is arranged above the air inlet 35 and used for igniting the entering oil-gas mixture inside the piston 2;

the upper side and the lower side of the cylinder cover 3 are symmetrically provided with the process holes 31, the inner parts of the process holes 31 are of hollow structures, the self weight is reduced while the structural strength of the equipment is ensured, the carrying efficiency of an engine is improved, the oil consumption is reduced, the periphery of the outer side of the piston port 32 is uniformly provided with threaded holes 33, the structure of the cylinder body 2 is fixed through a threaded hole 33, a positioning pin hole 38 is further arranged in the middle between the air inlets 35, the positioning pin hole 38 is used for being matched with the positioning device 5 above the cylinder block 1 to ensure installation and positioning, four groups of fastening threaded holes 34 are arranged at the peripheral corners of the cylinder cover 3, the fastening threaded holes 34 are rotatably provided with bolts, the cylinder cover 3 and the cylinder base 1 are reinforced through the bolt sets, the comprehensive threaded holes 33 are used for fixing the air inlet 35 structure, the combined positioning is carried out, the impact of internal combustion movement can be borne, and the stability of the device is improved.

The specific implementation process comprises the following steps: the cylinder cover 3 is fixedly arranged above the cylinder seat 1 through the positioning of the positioning device 5, four groups of fastening threaded holes 34 are formed in the corners of the periphery of the cylinder cover 3, bolts are rotatably arranged in the fastening threaded holes 34, the cylinder cover 3 and the cylinder seat 1 are reinforced through the bolt groups, and the air inlet 35 is fixed through the comprehensive threaded holes 33 for combined positioning; gasoline is atomized by an atomizer and then mixed with air to enter a combustion chamber of a cylinder seat 1 through an air inlet pipe 12, the gasoline and the air entering the cylinder seat 2 are ignited by ignition of an ignition plug 13, burnt waste gas is discharged through an exhaust pipe 14, combustion pushes a piston 10, the lower end of the piston 10 is rotatably provided with an inclined rod 9 through a piston rotating block 11, reciprocating control on the piston 10 is completed through the processes of air suction-combustion-exhaust in a fixed period, and the gasoline and the air are converted into circular motion through a crankshaft 7 to drive external equipment to rotate.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. High-efficient cylinder head of gasoline engine, including cylinder block (1) and cylinder head (3), cylinder block (1) upper end middle part is provided with three evenly distributed's of group positioner (5), installs cylinder head (3), its characterized in that through positioner (5) clearance: the cylinder block is characterized in that four groups of cylinder blocks (2) are uniformly distributed in the cylinder block (1), a piston (10) is slidably mounted on the inner wall of a cylinder at the upper end of the cylinder block (2), the piston (10) divides the interior of the cylinder block (2) into an upper part and a lower part, a piston rotating block (11) is fixedly mounted in the lower part of the piston (10), an inclined rod (9) is rotatably mounted in the piston rotating block (11), the lower end of the inclined rod (9) is rotatably mounted in a fixed block (8), the fixed block (8) is fixedly mounted on the side of a crankshaft (7), the right side of the crankshaft (7) is fixedly mounted on the outer side of a transmission shaft (6), and an air inlet pipe (12), a spark plug (13) and an exhaust pipe (14).

2. The high-efficiency cylinder head of a gasoline engine as defined in claim 1, characterized in that: the cylinder body (2) is internally provided with an alloy coating, and the cylinder body (2) is of a combined structure with a cylinder at the upper part and a sphere at the lower part.

3. The high-efficiency cylinder head of a gasoline engine as defined in claim 1, characterized in that: a gasket (15) is arranged between the air cylinder seat (1) and the air cylinder cover (3), and the gasket (15) is made of silica gel.

4. The high-efficiency cylinder head of a gasoline engine as defined in claim 2, characterized in that: the positioning device (5) comprises a positioning pin (51), a supporting part (52) and a positioning part (53), the positioning pin (51) is fixedly installed inside the cylinder seat (1), the positioning part (53) is arranged at the upper end of the supporting part (52), the supporting part (52) is arranged at the upper end of the positioning part (53), and the positioning part (53) is of an inclined structure.

5. The high-efficiency cylinder head of a gasoline engine as defined in claim 1, characterized in that: the cylinder head (3) is internally provided with a fabrication hole (31), a piston port (32), a threaded hole (33), a fastening threaded hole (34), an air inlet (35), an exhaust port (36), a fire striking port (37) and a positioning pin hole (38), the cylinder head (3) is of a symmetrical structure, the middle of the cylinder head (3) is provided with the piston port (32), the piston port (32) is of a combustion chamber structure above the cylinder body (2), the left side of the inside of the piston port (32) is provided with the air inlet (35), the right side of the inside of the piston port (32) is provided with the exhaust port (36), and the right side of the inside of the piston port (32) is provided with the air.

6. The high-efficiency cylinder head of a gasoline engine as defined in claim 5, characterized in that: the air inlet (35) is connected with an air inlet pipe (12) above, the air outlet (36) is connected with an exhaust pipe (14) above, and the air inlet (35) is connected with an ignition plug (13) above.

7. The high-efficiency cylinder head of a gasoline engine as defined in claim 5, characterized in that: threaded holes (33) are uniformly distributed on the periphery of the outer side of the piston port (32), positioning pin holes (38) are further formed in the middle between the air inlets (35), and four groups of fastening threaded holes (34) are formed in the peripheral corners of the cylinder cover (3).

8. The high-efficiency cylinder head of a gasoline engine as defined in claim 5, characterized in that: the upper side and the lower side of the cylinder cover (3) are symmetrically provided with process holes (31), and the interior of each process hole (31) is of a hollow structure.