CN210509400U - Air inlet system on motorcycle engine - Google Patents
Air inlet system on motorcycle engine Download PDFInfo
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- CN210509400U CN210509400U CN201921447313.6U CN201921447313U CN210509400U CN 210509400 U CN210509400 U CN 210509400U CN 201921447313 U CN201921447313 U CN 201921447313U CN 210509400 U CN210509400 U CN 210509400U
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Abstract
The utility model provides an air intake system on motorcycle engine, belong to engine technical field, it is connected on the cylinder body, including air throttle and intake pipe, the intake pipe includes two air inlet pipe bodies, all be equipped with the sprayer on every air inlet pipe body, two sprayer connections are on same oil feed pipe, oil feed pipe is connected with the oil tank, two air inlet pipe bodies become the splayed and distribute, two air inlet pipe body gather together the mouth of pipe of end and are connected with the air throttle, the mouth of pipe and the cylinder body of two air inlet pipe body dispersion ends are connected, the air throttle is including having the valve body in two air inlet chambers, it will admit air the chamber separation for antechamber and back chamber to be equipped with rotatable valve block in the valve body, every back chamber that admits air the chamber is equipped with the bypass hole, be equipped with the variable that admits air of idle motor control bypass hole on the valve body, the back chamber that every admits. The utility model discloses the structure is compacter, reduces the intracavity deposition, makes the abundant repetitive combustion of tail gas.
Description
Technical Field
The utility model relates to the technical field of engines, especially an air intake system on motorcycle engine.
Background
The air throttle is a controllable valve for controlling air to enter the engine, and the air can be mixed with gasoline into combustible mixed gas after entering the air inlet pipe, so that work can be done by combustion.
The existing air inlet system of the parallel double-cylinder electronic injection engine adopts double throttle valve bodies, namely two throttle valve bodies are connected in parallel, an accelerator cable controls the opening of the two throttle valves in a linkage manner, and the two throttle valve bodies independently control air inlet.
The throttle valve and the engine are connected through an air inlet pipe, for example, the Chinese utility model patent with the publication number of CN 2648096Y: the electric injection motorcycle air inlet pipe is characterized in that the top of the air inlet pipe is connected with a flange, two sides of the air inlet pipe are connected with a left air inlet manifold and a right air inlet manifold to form a three-way device, the lower ends of the left air inlet manifold and the right air inlet manifold are connected with an air inlet flange, the side bottom surfaces of the left air inlet manifold and the right air inlet manifold are respectively provided with a left oil injection hole and a right oil injection hole, a left boss and a right boss are respectively arranged between the oil injection holes and a parting surface A, and the left air inlet flange and the right air inlet flange; the utility model is that a branch of an air inlet pipe is a left and a right air inlet manifold which are connected with a double-cylinder engine, and the other end of the air inlet pipe is connected with a single air throttle; however, the ventilation of a single air inlet pipe cannot fully supply air to the double-cylinder electronic injection engine, and the power of the engine is influenced; in order to be matched with a double-cylinder electronic injection engine, the used throttle valves are all large-sized throttle valves, so that the throttle valves are large in structure and not compact after being connected with the double-cylinder electronic injection engine.
Therefore, the design of the motorcycle engine air inlet system with compact structure and sufficient air inlet has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem of current, provide an air intake system on motorcycle engine.
The purpose of the utility model can be realized by the following technical proposal: an air inlet system on a motorcycle engine is characterized in that the air inlet system is connected on a cylinder body and comprises an air throttle and an air inlet pipe, the air throttle is fixedly connected with the cylinder body through the air inlet pipe, the air inlet pipe comprises a left air inlet pipe body and a right air inlet pipe body, an oil injector is arranged on each air inlet pipe body, the two oil injectors are connected on the same oil delivery pipe, an oil inlet is arranged on the oil delivery pipe and is connected with an oil tank, the two air inlet pipe bodies are distributed in a splayed shape, the pipe orifice of the gathering end of the two air inlet pipe bodies is connected with the air throttle, the pipe orifice of,
the throttle valve comprises a valve body with two air inlet cavities, a rotatable valve plate is arranged in the valve body to divide the air inlet cavity into a front cavity and a rear cavity,
the back cavity of each air inlet cavity is provided with a bypass hole, the valve body is provided with an idle motor for controlling the air inlet variable of the bypass hole,
the rear cavity of each air inlet cavity is provided with an air inlet rear through hole, the valve body is provided with a regulating controller, and the regulating controller controls the air inlet constant of the rear through hole.
The front cavity is provided with a front through hole, the front through hole is connected with a rear through hole, and the adjusting controller is used for changing the cross-sectional area of a connecting pore passage of the front through hole and the rear through hole.
The adjusting controller comprises a convex part and an adjusting screw in threaded connection with the convex part, and the rod part of the adjusting screw extends into the connecting pore channel.
The connecting pore passage is arranged below the convex part.
And a recess is arranged below the convex part, and is pressed above the front through hole and the rear through hole to form the connecting pore channel.
The front through hole and the rear through hole penetrate through the side wall of the valve body.
And the adjusting controller is provided with an air passage which is connected to the rear through hole.
The adjusting controller comprises a convex part and an adjusting screw in threaded connection with the convex part, and the rod part of the adjusting screw extends into the air passage.
The air flue is connected with an air filter element device of the vehicle body.
And the front cavity of each air inlet cavity is provided with an air supplementing port, the air supplementing port is connected with an air supplementing pipe, and the air supplementing pipe is connected with an engine tail gas chamber.
Compared with the prior art, the air throttle and the cylinder body are fixedly connected through the air inlet pipe, the air inlet pipe comprises a left air inlet pipe body and a right air inlet pipe body, the two air inlet pipe bodies are distributed in a splayed shape, the pipe orifices of the gathered ends of the two air inlet pipe bodies are connected with the air throttle, and the pipe orifices of the dispersed ends of the two air inlet pipe bodies are connected with the cylinder body, so that the air inlet pipe can be mounted on a smaller air throttle, and the structure is more compact; the rear cavity of the air inlet cavity is provided with an air inlet rear through hole, the valve body is provided with an adjusting controller, the adjusting controller controls an air inlet constant of the rear through hole, the air inlet amount of the rear through hole is adjusted by the adjusting controller, so that the air pressure of the rear cavities of the two air inlet cavities reaches a balanced state, the dust accumulation in the cavities is reduced, and the power of the engine is improved; the front cavity of each air inlet cavity is provided with an air supplementing port which is connected with an air supplementing pipe, and the air supplementing pipe is connected with an engine tail gas chamber, so that tail gas is fully and repeatedly combusted, the emission standard is reached, and the engine tail gas burner is more environment-friendly.
Drawings
FIG. 1 is a schematic view of a throttle valve configuration.
FIG. 2 is a schematic view of a throttle valve configuration.
Fig. 3 is a cross-sectional view of the connecting duct inlet chamber.
Fig. 4 is a cross-sectional view of the airway cavity.
Fig. 5 is a schematic diagram of the idle motor operating principle.
Fig. 6 is a schematic structural diagram of the present invention.
Fig. 7 is a schematic view of the structure of the intake pipe.
Fig. 8 is a schematic view of the structure of the intake pipe.
In the figure: 1. a return spring; 2. a valve body; 3. an air inlet; 4. an air supplement port; 5. a gas supplementing pipe; 6. adjusting screws; 7. a motor; 8. an air outlet; 9. a convex portion; 10. a bypass pipe; 11. an air inlet cavity; 12. an idle motor; 13. a front cavity; 14. a valve plate; 15. a valve stem; 16. a rear cavity; 17. a rear through hole; 18. a connecting channel; 19. a front through hole; 20. an airway; 21. a branch pipe; 22. a locking pin; 23. a bypass orifice; 24. a cylinder body; 25. a throttle valve; 26. an air inlet pipe; 27. an air intake pipe body; 28. clamping a hoop; 29. a flange plate; 30. an oil inlet; 31. an oil delivery pipe; 32. and a fuel injector.
Detailed Description
The invention is further described with reference to the following figures and examples.
Example one
As shown in fig. 6-8, the present invention is connected to a cylinder body 24, and comprises a throttle valve 25 and an air inlet pipe 26, the throttle valve 25 is fixedly connected to the cylinder body 24 through the air inlet pipe 26, the air inlet pipe 26 includes a left air inlet pipe body 27 and a right air inlet pipe body 27, each air inlet pipe body 27 is provided with an oil injector 32, the two oil injectors 32 are connected to a same oil feed pipe 31, the oil feed pipe 31 is provided with an oil inlet 30, the oil inlet 30 is connected to an oil tank, the oil in the oil tank enters the oil feed pipe 31 from the oil inlet 30, the oil injectors 32 precisely control the injection amount of the oil, the two air inlet pipe bodies 27 are distributed in a splayed shape, a clamp 28 is provided at the pipe orifice of the converging end of the two air inlet pipe bodies 27, the pipe orifice of the converging end of the two air inlet pipe bodies 27 is connected to the throttle valve 25 through, when the engine is working, the throttle valve 25 is opened by turning the throttle switch, and air enters the intake pipe 26 through the throttle valve 25, driving fuel oil sprayed from the fuel injector 32 to enter the cylinder block 24. The splayed configuration enables the air inlet tube 26 to be fitted in place of the smaller throttle 25, making the construction more compact.
Fig. 1-2, fig. 6 show, throttle valve 25 is including valve body 2, valve rod 15, the valve block 14 of connection on valve rod 15 that has two chamber 11 of admitting air, motor 7, and two chamber 11 both ends of admitting air are equipped with air inlet 3 and gas outlet 8 respectively, valve block 14 is established and is being admitted air the internal and accessible motor 7 drive valve rod 15 of chamber 11 and drive valve block 14 and rotate, valve body 2 one side is located to motor 7, and valve rod 15 is connected on the output shaft of motor 7, valve rod 15 is perpendicular with the interior gas transportation direction of chamber 11 of admitting air, still be connected with reset spring 1 on the valve rod 15, reset spring 1 sets up with motor 7 symmetry, and reset spring 1 makes valve block 14 reset to the angular position of regulation.
As shown in fig. 5, the valve plate 14 divides the intake chamber 11 into a front chamber 13 and a rear chamber 16, the rear chamber 16 of each intake chamber 11 is provided with a bypass hole 23, the bypass hole 23 is connected with the bypass pipe 10 through a branch pipe 21, the valve body 2 is provided with an idle motor 12, the front end of the idle motor 12 is provided with a locking pin 22 which is inserted into the bypass pipe 10 to control an intake variable entering the bypass hole 23 through the branch pipe 21, the intake variable is that the idle motor 12 adjusts the size of the intake air amount in the bypass hole 23 at any time according to the intake requirement of the engine, so that the air-fuel ratio and the ignition angle of the engine under any working condition and any environment can be optimal at any time, thereby reducing the oil consumption of the motorcycle and improving the emission, and the.
As shown in fig. 3, a rear cavity 16 of each air inlet cavity 11 is provided with an air inlet rear through hole 17, a front cavity 13 of each air inlet cavity 11 is provided with a front through hole 19, the front through hole 19 is connected with the rear through hole 17, an adjusting controller is arranged on the valve body 2 and is used for changing the cross-sectional area of a connecting duct 18 of the front through hole 19 and the rear through hole 17, the adjusting controller controls the air inlet constant of the rear through hole 17, the adjusting controller comprises an adjusting screw 6 which is in threaded connection with a convex part 9 and the convex part 9, the rod part of the adjusting screw 6 extends into the connecting duct 18, the connecting duct 18 is arranged below the convex part 9, a recess is arranged below the convex part 9 and is pressed above the front through hole 19 and the rear through hole 17 to form the connecting duct 18, the front through hole 19 and the rear through hole 17 penetrate through the side wall of the valve body; the air inlet constant is that after the valve body 2 is machined and molded, air pressures of the rear cavities 16 of the two air inlet cavities 11 are unbalanced due to different air inlet amounts in the rear cavities 16 of the two air inlet cavities 11 of the valve body 2, in order to enable the air pressures of the rear cavities 16 of the two air inlet cavities 11 to balance and rotate the adjusting screws 6 to control the cross-sectional areas of the connecting pore channels 18, the air pressures of the rear cavities 16 of the two air inlet cavities 11 are balanced by changing the air inlet amount of the connecting pore channels 18 on the two air inlet cavities 11, and the adjusting controller does not adjust the air inlet amount of the connecting pore channels 18 any more after the air pressures of the rear cavities 16 of the. When the air pressure is balanced, the dust deposition in the cavity is reduced, and the power of the engine is improved.
Pressure sensors are arranged on the two air inlet cavities 11 of the valve body 2, and the pressure sensors are arranged in the valve body according to the following technical scheme, wherein the pressure sensors are as described in the patent of the invention in China with an authorized publication number of CN 105909393A: the pressure sensors in the throttle valve body assembly of the electronic injection motorcycle are consistent, and detect the air pressure of a rear cavity 16 of two air inlet cavities 11.
Be equipped with tonifying qi mouth 4 on the ante-chamber 13 of every air inlet chamber 11, tonifying qi mouth 4 is connected the air supplement pipe 5, and air supplement pipe 5 is connected with engine exhaust chamber, and exhaust gas recirculation burns, reaches emission standard, environmental protection more.
Example two
As shown in fig. 6-8, the present invention is connected to a cylinder body 24, and comprises a throttle valve 25 and an air inlet pipe 26, the throttle valve 25 is fixedly connected to the cylinder body 24 through the air inlet pipe 26, the air inlet pipe 26 includes a left air inlet pipe body 27 and a right air inlet pipe body 27, each air inlet pipe body 27 is provided with an oil injector 32, the two oil injectors 32 are connected to a same oil feed pipe 31, the oil feed pipe 31 is provided with an oil inlet 30, the oil inlet 30 is connected to an oil tank, the oil in the oil tank enters the oil feed pipe 31 from the oil inlet 30, the oil injectors 32 precisely control the injection amount of the oil, the two air inlet pipe bodies 27 are distributed in a splayed shape, a clamp 28 is provided at the pipe orifice of the converging end of the two air inlet pipe bodies 27, the pipe orifice of the converging end of the two air inlet pipe bodies 27 is connected to the throttle valve 25 through, when the engine is working, the throttle valve 25 is opened by turning the throttle switch, and air enters the intake pipe 26 through the throttle valve 25, driving fuel oil sprayed from the fuel injector 32 to enter the cylinder block 24. The splayed configuration enables the air inlet tube 26 to be fitted in place of the smaller throttle 25, making the construction more compact.
Fig. 1-2, fig. 6 show, the throttle valve is including valve body 2, valve rod 15, the valve block 14 of connection on valve rod 15 that has two chamber 11 of admitting air, motor 7, and two chamber 11 both ends of admitting air are equipped with air inlet 3 and gas outlet 8 respectively, valve block 14 is established and is being admitted air the internal and accessible motor 7 drive valve rod 15 of chamber 11 and drive valve block 14 and rotate, valve body 2 one side is located to motor 7, and valve rod 15 is connected on the output shaft of motor 7, valve rod 15 is perpendicular with the interior gas transportation direction of chamber 11 of admitting air, still be connected with reset spring 1 on the valve rod 15, reset spring 1 sets up with motor 7 symmetry, and reset spring 1 makes valve block 14 reset to the angular position of regulation.
As shown in fig. 5, the valve plate 14 divides the intake chamber 11 into a front chamber 13 and a rear chamber 16, the rear chamber 16 of each intake chamber 11 is provided with a bypass hole 23, the bypass hole 23 is connected with the bypass pipe 10 through a branch pipe 21, the valve body 2 is provided with an idle motor 12, the front end of the idle motor 12 is provided with a locking pin 22 which is inserted into the bypass pipe 10 to control an intake variable entering the bypass hole 23 through the branch pipe 21, the intake variable is that the idle motor 12 adjusts the size of the intake air amount in the bypass hole 23 at any time according to the intake requirement of the engine, so that the air-fuel ratio and the ignition angle of the engine under any working condition and any environment can be optimal at any time, thereby reducing the oil consumption of the motorcycle and improving the emission, and the.
As shown in fig. 4, a rear cavity 16 of each air inlet cavity 11 is provided with an air inlet rear through hole 17, the adjusting controller is provided with an air passage 20, the air passage 20 is connected to the rear through hole 17, the rear through hole 17 penetrates through the side wall of the valve body 2, the adjusting controller controls an air inlet constant of the rear through hole 17, the adjusting controller comprises a convex part 9 and an adjusting screw 6 which is in threaded connection with the convex part 9, the rod part of the adjusting screw 6 extends into the air passage 20, the air passage 20 is connected with an air filter device of a vehicle body, and the cross-sectional area of the air passage 20 is controlled by adjusting the adjusting screw; the air inlet constant is that after the valve body 2 is machined and molded, the air pressures of the rear cavities 16 of the two air inlet cavities 11 are unbalanced due to different air inlet amounts in the rear cavities 16 of the two air inlet cavities 11 of the valve body 2, the cross-sectional area of the air passage 20 is controlled by rotating the adjusting screw 6 to balance the air pressures of the rear cavities 16 of the two air inlet cavities 11, the air pressures of the rear cavities 16 of the two air inlet cavities 11 are balanced by changing the air inlet amount of the air passages 20 on the two air inlet cavities 11, and the air inlet amount of the air passage 20 is not adjusted by the adjusting controller after the air pressures of the rear cavities 16 of the two air inlet cavities. When the air pressure is balanced, the dust deposition in the cavity is reduced, and the power of the engine is improved.
Pressure sensors are arranged on the two air inlet cavities 11 of the valve body 2, and the pressure sensors are arranged in the valve body according to the following technical scheme, wherein the pressure sensors are as described in the patent of the invention in China with an authorized publication number of CN 105909393A: the pressure sensors in the throttle valve body assembly of the electronic injection motorcycle are consistent, and detect the air pressure of a rear cavity 16 of two air inlet cavities 11.
Be equipped with tonifying qi mouth 4 on the ante-chamber 13 of every air inlet chamber 11, tonifying qi mouth 4 is connected the air supplement pipe 5, and air supplement pipe 5 is connected with engine exhaust chamber, and exhaust gas recirculation burns, reaches emission standard, environmental protection more.
All the embodiments are not limited to this, and the embodiments are only explained as specific examples of the above aspects of the invention.
Claims (10)
1. An air inlet system on a motorcycle engine is characterized in that the air inlet system is connected on a cylinder body and comprises an air throttle and an air inlet pipe, the air throttle is fixedly connected with the cylinder body through the air inlet pipe, the air inlet pipe comprises a left air inlet pipe body and a right air inlet pipe body, an oil injector is arranged on each air inlet pipe body, the two oil injectors are connected on the same oil delivery pipe, an oil inlet is arranged on the oil delivery pipe and is connected with an oil tank, the two air inlet pipe bodies are distributed in a splayed shape, the pipe orifice of the gathering end of the two air inlet pipe bodies is connected with the air throttle, the pipe orifice of,
the throttle valve comprises a valve body with two air inlet cavities, a rotatable valve plate is arranged in the valve body to divide the air inlet cavity into a front cavity and a rear cavity,
the back cavity of each air inlet cavity is provided with a bypass hole, the valve body is provided with an idle motor for controlling the air inlet variable of the bypass hole,
the rear cavity of each air inlet cavity is provided with an air inlet rear through hole, the valve body is provided with a regulating controller, and the regulating controller controls the air inlet constant of the rear through hole.
2. An air intake system for a motorcycle engine as set forth in claim 1, wherein the front chamber is provided with a front through hole connected to the rear through hole, and the adjustment controller is adapted to change a cross-sectional area of a connecting passage between the front through hole and the rear through hole.
3. An air intake system for a motorcycle engine as set forth in claim 2, wherein said adjusting controller includes a boss portion and an adjusting screw threadedly engaged with the boss portion, a shaft portion of the adjusting screw extending into the connecting port.
4. An air intake system for a motorcycle engine as claimed in claim 3, wherein said connecting port is provided below said convex portion.
5. An air intake system for a motorcycle engine as set forth in claim 4, wherein a recess is provided below the convex portion, and the recess is pressed above the front through hole and the rear through hole to form the connecting hole.
6. An air intake system for a motorcycle engine as set forth in claim 5, wherein the front through-hole and the rear through-hole penetrate through the side wall of the valve body.
7. An air intake system for a motorcycle engine as claimed in claim 1, wherein the modulator controller is provided with an air duct connected to the rear through hole.
8. An air induction system on a motorcycle engine as claimed in claim 7, wherein the adjustment controller includes a boss and an adjustment screw threadedly engaged on the boss, a shaft of the adjustment screw extending into the air passage.
9. An air intake system on a motorcycle engine as claimed in claim 8, wherein the air duct is connected to an air filter device of the vehicle body.
10. The intake system of claim 1, wherein an air supplement port is provided on the front chamber of each intake chamber, the air supplement port is connected to an air supplement pipe, and the air supplement pipe is connected to an exhaust chamber of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921447313.6U CN210509400U (en) | 2019-09-02 | 2019-09-02 | Air inlet system on motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921447313.6U CN210509400U (en) | 2019-09-02 | 2019-09-02 | Air inlet system on motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509400U true CN210509400U (en) | 2020-05-12 |
Family
ID=70544353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921447313.6U Active CN210509400U (en) | 2019-09-02 | 2019-09-02 | Air inlet system on motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509400U (en) |
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2019
- 2019-09-02 CN CN201921447313.6U patent/CN210509400U/en active Active
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