CN104500223A - Motorcycle with push rod type engine - Google Patents
Motorcycle with push rod type engine Download PDFInfo
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- CN104500223A CN104500223A CN201410770131.8A CN201410770131A CN104500223A CN 104500223 A CN104500223 A CN 104500223A CN 201410770131 A CN201410770131 A CN 201410770131A CN 104500223 A CN104500223 A CN 104500223A
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Abstract
The invention relates to a motorcycle with a push rod type engine. An engine of the motorcycle adopts the push rod type engine, and comprises a cylinder head, an air intake valve, an air exhaust valve, an air valve outer spring, a crankshaft connecting rod, a cam, compression ratio, primary transmission ratio, an air intake joint pipe, a carburetor and a rocking arm. An intake and exhaust system, an air distribution mechanism, a combustion structure, an ignition energy and power output mechanism, transmission ratio, a fuel supply system and the like of the traditional push rod type engine of a motorcycle are subjected to brand new optimization design, improvement and configuration structure readjustment. After being proofed by experiments, the push rod type engine of the motorcycle has the advantage that while the property of the engine is guaranteed, the fuel of the motorcycle is saved by more than 30%.
Description
Technical field
The present invention relates to a kind of motorcycle, especially a kind of motorcycle using crown bar type engine.
Background technique
Along with domestic user is to the pay attention to day by day of fuel consume and pollutant emission, how effectively to reduce the fuel consumption of motorcycle engine, the object reaching fuel-efficient reduction of discharging is that all manufacturers have to problems faced.Traditional middle small displacement post rod type motorcycle engine, because its driving mechanism efficiency is low, air inlet system and exhaust system shortage is optimized and revised, air fuel ratio and Conditions Matching are not good, compression ratio is little, combustion ignition energy is little, result in its fuel consumption higher.At present, domestic many producers, just by accurate adjustment Carburetor, reach fuel-efficient object, but effect not obvious.For this reason, improvement must be optimized from core texture aspect, by carrying out brand-new optimal design to the aspects such as heat-extraction system, distribution device, burning tissues, ignition energy, power take-off mechanism, velocity ratio, fuel oil supply system of entering of traditional post rod type motorcycle engine, improve and readjust configuration structure, fundamentally solve every factor that the traditional post rod type motorcycle engine oil consumption of impact is high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of this invention is to provide a kind of motorcycle of crown bar type engine that can be fuel-efficient.
technological scheme
The object of the present invention is achieved like this: a kind of motorcycle of crown bar type engine, its special way is: its motor is crown bar type engine, comprise cylinder head, intake valve, exhaust valve, outer valve spring, crankshaft-link rod, cam, compression ratio, primary ratios, air inlet tube, Carburetor, rocking arm, cylinder head is offered two spark plug mounting holes; The length of intake valve is
92mm, intake valve umbrella portion diameter is
25mm; The length of exhaust valve is
92.2mm, exhaust valve umbrella portion diameter
22.2mm; The initial pretension elastic force of outer valve spring is
100-105n, work elastic force is
276-280n, spring wire diameter is
3.4mm; The crank cylindrical of crankshaft-link rod is
103mm; Cam lift arises from
10 °, terminate in
200 °; The ratio of compression ratio is
11.0-11.2; Primary ratios is
3.4; Air inlet tube both ends open bore dia is
19mm; The larynx nozzle diameter of Carburetor is
19mm; Rocking arm is roller type structure.
A kind of motorcycle of crown bar type engine, its special way is: on the cylinder head on its motor, two spark plug mounting hole positions are positioned at on the attachment face of intake valve mounting hole, exhaust valve mounting hole plane being perpendicular, and become the setting angle of an inclination to be symmetrically distributed in firing chamber end face with the cylinder junction plane on cylinder head respectively; Cylinder head combustion chamber volume is
12.0-12.4ml; Cylinder head air inlet aperture aperture is
23mm; Cylinder head vent port openings aperture is
21mm.
A motorcycle for crown bar type engine, its special way is: the crank pin of the crankshaft-link rod on its motor and the distance of crankshaft center are
27.0-27.15mm, crank pin end pore and little head bore centre distance are
106-106.5mm;
A motorcycle for crown bar type engine, its special way is: the cam top lift on its motor is
5.150mm; Valve opening lift angle is
7 °-82 °; Valve-closing lift angle is
80 °-180 °.
A motorcycle for crown bar type engine, its special way is: the air inlet tube length on its motor is
38mm.
A motorcycle for crown bar type engine, its special way is: the spindle of the Carburetor on its motor is made up of three sections of diameters, and first paragraph diameter is
2.545mm, second segment diameter are
2.30mm, the 3rd section of diameter are
1.902mm; The main jet aperture of Carburetor is
0.80mm.
beneficial effect
Owing to have employed the motorcycle of the motor of technical solutions according to the invention, its engine and carburetor aditus laryngis, the reduction of main jet and the overstriking of spindle, to control the amount of feed of fuel oil.The reduction in the air inlet aperture aperture on air inlet tube both ends open hole and cylinder head, makes the circulation area of engine intake passage reduce, to ensure flow velocity and the flow of mixed gas necessity.It is more abundant that lengthening suction tude makes mixed gas mix in the channel.The raising of engine compression ratio, makes combustion efficiency improve, to realize the maximization of fuel availability.Have employed the structure of dual ignition plug dual ignition, improving velocity of combustion, to guarantee sufficient combustion by improving ignition energy.The unlatching of intake valve, exhaust valve, the moment of closedown are adjusted, with effective discharge of the rear high-temp waste gas of efficient air inlet and burning controlling mixed gas, realizes the optimization of engine performance.Rocking arm is roller type rocking arm simultaneously, to adapt to the change of cam profile, improves valve speed of response, effectively ensure that the performance of engine power performance.For matching with fuel oil supply system, the umbrella portion diameter of intake valve, exhaust reduces, to reduce inlet flow area.
The reduction of crankshaft-link rod size, the alleviating of crankshaft-link rod weight, weaken on-stream the produced impact inertia of crankshaft-link rod to the adverse effect of transmission efficiency, improve bent axle speed of response, to improve mechanical efficiency.The reduction of outer valve spring elastic force, to reduce the mechanical loss of distribution device.The reduction of the primary ratios of motor, after the reduction of the rotating speed corresponding to power Best Point of motor, makes motorcycle can reach the supreme ideal speed of a motor vehicle under the middle and slow speed of revolution of motor.Proved by test, this post rod type motorcycle engine, while guarantee engine performance, can make that motor is fuel-efficient reaches more than 30%.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the schematic diagram of a kind of post rod type motorcycle engine cylinder head described in the embodiment of the present invention;
Fig. 2 is the sectional view of a kind of post rod type motorcycle engine cylinder head described in the embodiment of the present invention;
Fig. 3 is the plan view of a kind of post rod type motorcycle engine intake valve described in the embodiment of the present invention;
Fig. 4 is the plan view of a kind of post rod type motorcycle engine exhaust valve described in the embodiment of the present invention;
Fig. 5 is the sectional view of a kind of post rod type motorcycle engine outer valve spring described in the embodiment of the present invention;
Fig. 6 is the sectional view of a kind of post rod type motorcycle engine crankshaft-link rod described in the embodiment of the present invention;
Fig. 7 is the schematic diagram of a kind of post rod type motorcycle engine cam described in the embodiment of the present invention;
Fig. 8 is the sectional view of a kind of post rod type motorcycle engine air inlet tube described in the embodiment of the present invention;
Fig. 9 is the sectional view of a kind of post rod type motorcycle engine Carburetor described in the embodiment of the present invention;
Figure 10 is the schematic diagram of a kind of post rod type motorcycle engine rocking arm described in the embodiment of the present invention;
Figure 11 is the structural representation of a kind of post rod type motorcycle engine described in the embodiment of the present invention;
Figure 12 is the structural representation of a kind of post rod type motorcycle engine described in the embodiment of the present invention.
Embodiment:
Be further described below in conjunction with the concrete structure of accompanying drawing to the embodiment of the present invention.The motorcycle of the present embodiment, its engine structure comprises: cylinder head 1, intake valve 3, exhaust valve 4, outer valve spring 5, crankshaft-link rod 6, cam 7, air inlet tube 8, Carburetor 9, rocking arm 10.
As in Fig. 1,2, cylinder head 1 is offered two spark plug mounting holes 11, two spark plug mounting hole 11 positions are positioned at on the attachment face of intake valve mounting hole 13, exhaust valve mounting hole 12 plane being perpendicular, and are symmetrically distributed in firing chamber 13 end face with the setting angle of cylinder junction plane 17 one-tenth one inclinations on cylinder head 1 respectively; Cylinder head 1 firing chamber 13 volume be 12.0ml ~
12.4ml; Cylinder head 1 air inlet aperture 15 aperture is
23mm; Cylinder head 1 vent port openings 16 aperture is
21mm.
As in Fig. 3, the length 31 of intake valve 3 is
92mm, intake valve 3 umbrella portion diameter 32 is
25mm.
As in Fig. 4, the length 41 of exhaust valve 4 is
92.2mm, exhaust valve 4 umbrella portion diameter 42 is
22.2mm.
As in Fig. 5, the initial pretension elastic force of outer valve spring 5 is
100-105, work elastic force is
276-280, outer valve spring wire diameter 51 is
3.4mm.
As in Fig. 6, the crank cylindrical 61 of crankshaft-link rod 6 is
103mm, crank pin 62 with the distance of crankshaft center is
27.0-27.15mm, crank pin end pore 63 and little head bore 64 centre distance are
106-106.5mm;
As in Fig. 7, cam (7) 71 o'clock to 72 o'clock angles are
8 °lift be 0,72 be valve opening lift starting point, within 72 o'clock to 73 o'clock, angle is
82 °it is the valve opening lift of cam (7); The valve-closing lift of 73 o'clock to 74 o'clock angles to be 100 ° be cam (7), 74 is the closedown lift terminal of valve.
As in Fig. 8, air inlet tube 8 both ends open hole 81 diameter is
19mm, length is
38mm.
As in Fig. 9, trunnion mouth 91 diameter of Carburetor 9 is
19mm; The spindle 92 of Carburetor 9 is made up of three sections of diameters, and first paragraph diameter is
2.545mm, second segment diameter are
2.30mm, the 3rd section of diameter are
1.90mm; Main jet 93 aperture of Carburetor 9 is
0.80mm.
As in Figure 10, rocking arm 10 is roller type 101 structure.
As in Figure 11,12, the reduction of Carburetor 9 aditus laryngis 91, spindle 92, main jet 93, to control the amount of feed of fuel oil.The reduction in air inlet aperture 15 aperture on air inlet tube 8 both ends open hole 81 and cylinder head 1, makes the circulation area of engine intake passage reduce, to ensure flow velocity and the flow of mixed gas necessity.Engine compression ratio is brought up to
11.0-11.2,combustion efficiency is improved, to realize the maximization of fuel availability.Have employed the structure of dual ignition plug dual ignition, improving velocity of combustion, to guarantee sufficient combustion by improving ignition energy.Intake valve 3, the unlatching of exhaust valve 3, the moment of closedown are adjusted, with effective discharge of the rear high-temp waste gas of efficient air inlet and burning controlling mixed gas, realizes the optimization of engine performance.Rocking arm 10 is roller type 101 rocking arm simultaneously, to adapt to the change of cam 7 molded line, improves valve speed of response, effectively ensure that the performance of engine power performance.For matching with fuel oil supply system, the umbrella portion diameter 31 of intake valve 3, the umbrella portion diameter 41 of exhaust valve 4 reduce, to reduce inlet flow area.
The reduction of crankshaft-link rod 6 crank cylindrical 61, the alleviating of crankshaft-link rod weight, weaken on-stream the produced impact inertia of crankshaft-link rod to the adverse effect of transmission efficiency, improve bent axle speed of response, to improve mechanical efficiency.The reduction of outer valve spring 5 elastic force, to reduce the mechanical loss of distribution device.The primary ratios of motor is
3.4, after the reduction of the rotating speed corresponding to power Best Point of motor, make motorcycle can reach the supreme ideal speed of a motor vehicle under the middle and slow speed of revolution of motor.Proved by test, this post rod type motorcycle engine, while guarantee engine performance, can make that motor is fuel-efficient reaches more than 30%.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.All any simple modification of doing above embodiment according to technical spirit of the present invention and equivalent variations and modification, all still belong in the scope of technological scheme of the present invention.
Claims (6)
1. the motorcycle of a crown bar type engine, its special way is: its motor is crown bar type engine, comprise cylinder head, intake valve, exhaust valve, outer valve spring, crankshaft-link rod, cam, compression ratio, primary ratios, air inlet tube, Carburetor, rocking arm, cylinder head is offered two spark plug mounting holes; The length of intake valve is
92mm, intake valve umbrella portion diameter is
25mm; The length of exhaust valve is
92.2mm, exhaust valve umbrella portion diameter
22.2mm; The initial pretension elastic force of outer valve spring is
100-105n, work elastic force is
276-280n, spring wire diameter is
3.4mm; The crank cylindrical of crankshaft-link rod is
103mm; Cam lift arises from
10 °, terminate in
200 °; The ratio of compression ratio is
11.0-11.2; Primary ratios is
3.4; Air inlet tube both ends open bore dia is
19mm; The larynx nozzle diameter of Carburetor is
19mm; Rocking arm is roller type structure.
2. motorcycle according to claim 1, its special way is: on cylinder head, two spark plug mounting hole positions are positioned at on the attachment face of intake valve mounting hole, exhaust valve mounting hole plane being perpendicular, and become the setting angle of an inclination to be symmetrically distributed in firing chamber end face with the cylinder junction plane on cylinder head respectively; Cylinder head combustion chamber volume is
12.0-12.4ml; Cylinder head air inlet aperture aperture is
23mm; Cylinder head vent port openings aperture is
21mm.
3. motorcycle according to claim 1, its special way is: the crank pin of crankshaft-link rod and the distance of crankshaft center are
27.0-27.15mm, crank pin end pore and little head bore centre distance are
106-106.5mm.
4. motorcycle according to claim 1, its special way is: cam top lift is
5.150mm; Valve opening lift angle is
7 °-82 °; Valve-closing lift angle is
80 °-180 °.
5. motorcycle according to claim 1, its special way is: air inlet tube length is
38mm.
6. motorcycle according to claim 1, its special way is: the spindle of Carburetor is made up of three sections of diameters, and first paragraph diameter is
2.545mm, second segment diameter are
2.30mm, the 3rd section of diameter are
1.90mm; The main jet aperture of Carburetor is
0.80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770131.8A CN104500223A (en) | 2014-12-15 | 2014-12-15 | Motorcycle with push rod type engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770131.8A CN104500223A (en) | 2014-12-15 | 2014-12-15 | Motorcycle with push rod type engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500223A true CN104500223A (en) | 2015-04-08 |
Family
ID=52941662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410770131.8A Pending CN104500223A (en) | 2014-12-15 | 2014-12-15 | Motorcycle with push rod type engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500223A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825979Y (en) * | 2005-03-25 | 2006-10-11 | 江门天钇金属工业有限公司 | Cylinder head with dual spark plugs for motorcycle engine |
| CN2864141Y (en) * | 2006-01-26 | 2007-01-31 | 重庆宗申技术开发研究有限公司 | Cylinder cover of motorcycle engine |
| CN2903429Y (en) * | 2006-04-04 | 2007-05-23 | 重庆宗申技术开发研究有限公司 | Engine cylinder head |
| CN203570444U (en) * | 2013-10-29 | 2014-04-30 | 江门天钇金属工业有限公司 | Push rod type motorcycle engine |
-
2014
- 2014-12-15 CN CN201410770131.8A patent/CN104500223A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825979Y (en) * | 2005-03-25 | 2006-10-11 | 江门天钇金属工业有限公司 | Cylinder head with dual spark plugs for motorcycle engine |
| CN2864141Y (en) * | 2006-01-26 | 2007-01-31 | 重庆宗申技术开发研究有限公司 | Cylinder cover of motorcycle engine |
| CN2903429Y (en) * | 2006-04-04 | 2007-05-23 | 重庆宗申技术开发研究有限公司 | Engine cylinder head |
| CN203570444U (en) * | 2013-10-29 | 2014-04-30 | 江门天钇金属工业有限公司 | Push rod type motorcycle engine |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |
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| WD01 | Invention patent application deemed withdrawn after publication |