CN201843704U - Carburetor capable of automatically adjusting air-fuel ratio - Google Patents
Carburetor capable of automatically adjusting air-fuel ratio Download PDFInfo
- Publication number
- CN201843704U CN201843704U CN2010205800547U CN201020580054U CN201843704U CN 201843704 U CN201843704 U CN 201843704U CN 2010205800547 U CN2010205800547 U CN 2010205800547U CN 201020580054 U CN201020580054 U CN 201020580054U CN 201843704 U CN201843704 U CN 201843704U
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- spindle
- closure
- backguy
- carburetor
- plunger
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Abstract
The utility model discloses a carburetor capable of automatically adjusting air-fuel ratio, which comprises a body, a throat pipe, a throttle valve, a main spray pipe, an oil needle, a throttle valve stepping motor, an oil needle stepping motor, a throttle valve stay wire and an oil needle stay wire, wherein the throttle valve stepping motor and the oil needle stepping motor respectively control the aperture of the throttle valve and the lift of the oil needle by the throttle valve stay wire and the oil needle stay wire. When the carburetor is in use, the throttle valve stepping motor and the oil needle stepping motor are connected with a carburetor electric control unit, and respectively realize precise and independent control on air supply amount and oil supply amount according to instructions of the carburetor electric control unit so as to generate different air-fuel ratios, so that an engine outputs appropriate torque and rotating speed so as to achieve the effects of saving oil and reducing emission; as the stay wires replace a current gear rack mechanism, the influence of toothspace clearance on control precision is effectively avoided; furthermore, the flexibility of the stay wires can prevent moving parts pulled by the stay wires from generating eccentric wear, therefore, the wear is effectively reduced, and the service life of the carburetor is prolonged; and simultaneously, the carburetor is simple in structure and low in implementation cost.
Description
Technical field
The utility model relates to Carburetor, and particularly a kind of being applicable to electronically controlledly can be regulated the Carburetor of air fuel ratio automatically.
Background technique
Motorcycle is gasoline and an air mixing with some with the effect of Carburetor, so that normal working of engine.Common Carburetor is for a certain specific operation, air fuel ratio is fixed, if change its numerical value, must adjust structural parameter, but the adjustment of structural parameter certainly will influence the air fuel ratio of other operating modes, the structural parameter of common Carburetor are because spindle and synchronous interaction can not realize that air fuel ratio satisfies the needs of each operating point fully.Electronic controlled carburetor is to carry out automatically controlledization transformation to obtain on the basis of traditional Carburetor, and ELECTRONIC CONTROLLED CARBURETOR SYSTEM is for each operating point, and air fuel ratio is adjustable, generally can be in 3～17.1 scope adjustment.Thereby, can accomplish optimization to each operating point, make each operating mode of motor all be in optimum Working.
Motorcycle is the hollow throat type Carburetor with Carburetor, existing electronic controlled carburetor adopts two stepper motors to drive two pinion and racks respectively and controls closure and pulling spindle, can realize that the electronic control stepper motor regulates air inflow and oil inlet quantity, accurately control air fuel ratio, reduce discharging and oil consumption to a certain extent, but adopted two stepper motors also to have some shortcomings by the electronic controlled carburetor structure of gear rack pulling spindle and closure respectively:
1, gear and tooth bar gap and gear itself cause this method precision low;
2, since the mechanism of pulling spindle and closure all concentrate in the pipe, mutually between influential and friction, be easy to wearing and tearing;
3, because the influence of negative pressure causes the oil inlet quantity fluctuation bigger, influence control accuracy.
Therefore, the need exploitation is a kind of can carry out electronic control respectively to air inflow and oil inlet quantity, overcomes above-mentioned shortcoming, so that motorcycle engine all is in optimum Working in each operating mode, reduces the oil consumption and the discharging of motorcycle.
Summary of the invention
In view of this, the utility model provides a kind of can regulate the Carburetor of air fuel ratio automatically, this Carburetor is by the lift of backguy control closure and spindle, to reach the purpose of accurate control air fuel ratio, and closure and spindle adopt independent set-up mode, exert an influence between the two and rub avoiding, improve control accuracy, reduce wearing and tearing.
Of the present utility modelly can regulate the Carburetor of air fuel ratio automatically, comprise body, be arranged at trunnion on the body, be arranged at closure in the trunnion, be used to drive the closure stepper motor of regulating throttle opening, be arranged on the body and the spindle of the main jet pipe that is communicated with trunnion, most advanced and sophisticated insertion main jet pipe and be used to drive the spindle stepper motor that spindle moves along the main jet pipe, also comprise closure backguy and spindle backguy, described closure stepper motor drives by the closure backguy and regulates closure, and described spindle stepper motor drives spindle by the spindle backguy.
Further, the described Carburetor that can regulate air fuel ratio automatically also comprises closure spring and spindle spring, described body is provided with valve earthen pipe and the throttle earthen pipe that is communicated with trunnion, be slidingly matched in the valve earthen pipe and be provided with the closure plunger, be slidingly matched in the throttle earthen pipe and be provided with the spindle plunger that is used to drive spindle, described closure spring action makes the one end stretch into trunnion in the closure plunger and forms closure, described closure backguy one end connects the output terminal of closure stepper motor, and the other end is connected with the closure plunger in the other direction along the closure acting force of the spring; Described spindle spring action makes the one end stretch into trunnion in the spindle plunger, and described spindle backguy one end connects the output terminal of spindle stepper motor, and the other end is connected with the spindle plunger in the other direction along the spindle acting force of the spring;
Further, the described Carburetor that can regulate air fuel ratio automatically also comprises static pulley I and the static pulley II that is arranged on the body, described closure backguy with the static pulley I be fulcrum and along the closure plunger axis to being connected with the closure plunger; Described spindle backguy with the static pulley II be fulcrum and along the spindle plunger axis to being connected with the spindle plunger;
Further, described valve earthen pipe and throttle earthen pipe be arranged in parallel, be provided with the lid that covers valve earthen pipe and throttle earthen pipe on the described body removably, be provided for the through hole that closure backguy and spindle backguy are passed on the described lid, described closure spring is arranged in the valve earthen pipe, and an end withstands the closure plunger, the other end withstands lid, described spindle spring is arranged in the throttle earthen pipe, and an end withstands the spindle plunger, and the other end withstands lid;
Further, the described Carburetor that can regulate air fuel ratio automatically also comprises the spindle fixed mechanism, described spindle fixed mechanism comprises the lower collar that fixedly is placed in the spindle plunger and the last collar that is threaded with lower collar, spindle is fixed on the lower collar along axis, the spindle tail end is fixedlyed connected with the spindle backguy of passing collar center from top to bottom, and overcoat is provided with the lower end and withstands the spring that the collar is withstood in spindle tail end and upper end in the spindle backguy;
Further, the output terminal of described closure stepper motor and spindle stepper motor all is provided with the backguy wheel disc along circumferential secure fit, backguy wheel disc excircle is provided with circumferential wire casing, and the backguy fixed hole is set on the backguy wheel disc, and the wire casing bottom has the cable-through hole that is communicated with wire casing and backguy fixed hole;
Further, described closure plunger is provided with the idling inlet hole and the idling inlet hole is formed the idle adjusting screw of Flow-rate adjustment effect;
Further, described closure plunger is provided with the idling inlet hole.
The beneficial effects of the utility model: of the present utility modelly can regulate the Carburetor of air fuel ratio automatically, comprise body, trunnion, closure, the main jet pipe, spindle, the closure stepper motor, the spindle stepper motor, closure backguy and spindle backguy, closure stepper motor and spindle stepper motor are controlled the lift of throttle opening and spindle respectively by closure backguy and spindle backguy, during use, the closure stepper motor is connected with the motorcycle carburetor ECU (Electrical Control Unit) with the spindle stepper motor, and the instruction of pressing the Carburetor ECU (Electrical Control Unit) produces different air fuel ratios to meticulous independent control of air demand and fuel delivery respectively, make appropriate moment of torsion and the rotating speed of motor output, reach fuel-economizing and reduce the effect of discharging, backguy replaces existing pinion and rack, effectively avoided the influence of inter-lobe clearance to control accuracy, and the flexible characteristic of backguy can prevent that also the movable part of its pulling from producing eccentric wear, effectively reduce wearing and tearing, improve the working life of Carburetor, simultaneously, this carburetor structure is simple, and implementation cost is low.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model embodiment 1 a structural representation;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the utility model embodiment 2 a structural representation;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the A place partial enlarged drawing among Fig. 1;
Fig. 6 is the structural representation of backguy wheel disc;
Fig. 7 is the structural representation of idle adjusting screw part;
Fig. 8 is the A-A sectional view of Fig. 7.
Embodiment
Embodiment 1:
Fig. 1 is the utility model embodiment 1 a structural representation, Fig. 2 is the plan view of Fig. 1, Fig. 5 is the A place partial enlarged drawing among Fig. 1, Fig. 6 is the structural representation of backguy wheel disc, Fig. 7 is the structural representation of idle adjusting screw part, Fig. 8 is the A-A sectional view of Fig. 7, as shown in the figure: present embodiment can regulate the Carburetor of air fuel ratio automatically, comprise body 1, float chamber 2, be arranged at the trunnion 3 on the body 1, be arranged at the closure in the trunnion 3, be arranged on the body 1 and be communicated with the main jet pipe 4 and the most advanced and sophisticated spindle 5 that inserts main jet pipe 4 of float chamber 2 and trunnion 3, also comprise closure stepper motor 6, spindle stepper motor 7, closure spring 8 and spindle spring 9, also be provided with the valve earthen pipe 1a and the throttle earthen pipe 1b that are communicated with trunnion 3 on the described body 1, be equipped with closure plunger 10 along axially reciprocatingly sliding of hole in the valve earthen pipe 1a, be equipped with spindle plunger 11 along axially reciprocatingly sliding of hole in the throttle earthen pipe 1b; Closure stepper motor 6 and spindle stepper motor 7 are fixedly mounted on outside the body 1, allow closure spring 8 lower ends downward withstand closure plunger 10, the elastic force envoy valve plunger lower end of closure spring is stretched into trunnion 3 and is formed closure, backguy wheel disc 21 is set on the output terminal of described closure stepper motor 6, be connected between backguy wheel disc 21 and the closure plunger 10 the closure backguy 12 that upwards acts on closure plunger 10 is set, to drive the wire-drawing wheel travelling expenses around packing up the closure backguy during work of closure stepper motor, thereby driving closure rises, during the counter-rotating of closure stepper motor, closure will reset under the effect of closure spring force, the closure spring also plays the effect with the backguy tensioning, produce idle stroke when avoiding stepper motor pulling backguy, improve control accuracy; Allowing spindle spring 9 lower ends withstand spindle plunger 11 makes its lower end stretch into trunnion 3, the output terminal of described spindle stepper motor 7 also is provided with backguy wheel disc 21, be connected between backguy wheel disc 21 and the spindle plunger 11 the spindle backguy 13 that upwards acts on spindle plunger 11 is set, described throttle earthen pipe 1b axially is provided with along spindle 5, spindle 5 tail ends are fixedlyed connected with spindle plunger 11, to drive the wire-drawing wheel travelling expenses around packing up the spindle backguy during work of spindle stepper motor, thereby driving spindle rises, during the counter-rotating of spindle stepper motor, the spindle plunger resets under the effect of spindle spring force, the spindle spring also plays the effect with the backguy tensioning, produce idle stroke when avoiding stepper motor pulling backguy, improve control accuracy; Therefore, when using this Carburetor, the Stepping Motor Control termination is gone into the control unit of motorcycle, can pass through electronic control stepper motor forward or reverse, thereby accurately control the lift of closure and spindle, reach various required air fuel ratios.Simultaneously, parts such as the plunger of present embodiment control closure and spindle lift, spring are to be separately positioned in separate valve earthen pipe and the throttle earthen pipe, effectively avoided influencing each other and rubbing between closure and the spindle, can effectively improve control accuracy, reduced wearing and tearing.In addition, guy structure is with respect to existing gear ﹠ rack structure, and not only structure is simpler, and implementation cost is lower, and because its flexible characteristic can better prevent eccentric wear, reduces wearing and tearing.
In the present embodiment, the described Carburetor that can regulate air fuel ratio automatically also comprises static pulley I 14 and the static pulley II 15 that is arranged on the body 1, and described closure backguy 12 is fulcrum with static pulley I 14 and axially is connected with closure plunger 10 along closure plunger 10; Described spindle backguy 13 is fulcrum with static pulley II 15 and axially is connected with spindle plunger 11 along spindle plunger 11, by static pulley as the backguy fulcrum, make the position of stepper motor more flexible, simultaneously, can prevent that also the plunger pulling force from producing eccentric wear not on axis, further reduce wearing and tearing, improve the life-span.
In the present embodiment, described valve earthen pipe 1a and throttle earthen pipe 1b be arranged in parallel, be provided with the lid 16 that covers valve earthen pipe 1a and throttle earthen pipe 1b with the screw ways of connecting on the described body 1, safeguard so that open at any time, be provided for the through hole that closure backguy 12 and spindle backguy 13 are passed on the described lid 16, described closure spring 8 is arranged in the valve earthen pipe 1a, one end withstands closure plunger 10, the other end withstands lid 16, described spindle spring 9 is arranged in the throttle earthen pipe 1b, and an end withstands spindle plunger 11, and the other end withstands lid 16, simple and reasonable, be easy to assembling.
In the present embodiment, the described Carburetor that can regulate air fuel ratio automatically also comprises the spindle fixed mechanism, described spindle fixed mechanism comprises the lower collar 18 that fixedly is placed in the spindle plunger 11 and the last collar 19 that is threaded with lower collar 18, spindle 5 is fixed on the lower collar 18 along axis, spindle 5 tail ends are fixedlyed connected with the spindle backguy 13 of passing the collar 19 centers from top to bottom, overcoat is provided with the lower end and withstands the spring 20 that the collar 19 is withstood in spindle 5 tail ends and upper end in the spindle backguy 13, can make the backguy tensioning by spring, produce time-delay when avoiding spindle step motor control spindle to rise, improve control accuracy.
In the present embodiment, the output terminal of described closure stepper motor 6 and spindle stepper motor 7 all is provided with backguy wheel disc 21 along circumferential secure fit, backguy wheel disc 21 excircles are provided with circumferential wire casing 21a, backguy fixed hole 21b is set on the backguy wheel disc 21, wire casing 21a bottom has the cable-through hole 21c that is communicated with wire casing 21a and backguy fixed hole 21b, by wire casing closure backguy and spindle backguy are carried out spacingly, can be prevented that backguy from producing drift when pulled, improve control accuracy.
In the present embodiment, described closure plunger 10 is provided with the idling inlet hole and the idling inlet hole is formed the idle adjusting screw 17 of Flow-rate adjustment effect, be that closure is provided with idling inlet hole and idle adjusting screw, air inflow during by its can regulate engine idle of turn, regulation range is less, is adapted at using on the small displacement engine.
Embodiment 2:
Fig. 3 is the utility model embodiment 2 a structural representation, Fig. 4 is the plan view of Fig. 3, as shown in the figure: present embodiment can regulate the Carburetor of air fuel ratio automatically, be mainly used in the motor of big discharge capacity, its structure is compared with embodiment 1, removed idle adjusting screw, because the air inflow of required variation is bigger during the large-duty engine idle, and the air inflow excursion that idle adjusting screw can be regulated is less, therefore, present embodiment directly rises by closure step motor control closure, and the adjusting of air inflow when realizing idling does not need that idle adjusting screw is set and regulates.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. can regulate the Carburetor of air fuel ratio automatically for one kind, comprise body (1), be arranged at the trunnion (3) on the body (1), be arranged at the closure in the trunnion (3), be used to drive the closure stepper motor (6) of regulating throttle opening, be arranged on the main jet pipe (4) that body (1) is gone up and is communicated with trunnion (3), the tip is inserted the spindle (5) of main jet pipe (4) and is used to drive the spindle stepper motor (7) that spindle moves along the main jet pipe, it is characterized in that: also comprise closure backguy (12) and spindle backguy (13), described closure stepper motor (6) drives by closure backguy (12) and regulates closure, and described spindle stepper motor (7) drives spindle (5) by spindle backguy (13).
2. according to claim 1ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: also comprise closure spring (8) and spindle spring (9), described body (1) is provided with valve earthen pipe (1a) and the throttle earthen pipe (1b) that is communicated with trunnion (3), be slidingly matched in the valve earthen pipe (1a) and be provided with closure plunger (10), be slidingly matched in the throttle earthen pipe (1b) and be provided with the spindle plunger (11) that is used to drive spindle, described closure spring (8) acts on closure plunger (10) makes the one end stretch into trunnion (3) formation closure, described closure backguy (12) one ends connect the output terminal of closure stepper motor (6), and the other end is connected with closure plunger (10) in the other direction along closure spring (8) active force; Described spindle spring (9) acts on spindle plunger (11) makes the one end stretch into trunnion (3), described spindle backguy (13) one ends connect the output terminal of spindle stepper motor (7), and the other end is connected with spindle plunger (11) in the other direction along spindle spring (9) active force.
3. according to claim 2ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: also comprise the static pulley I (14) and the static pulley II (15) that are arranged on the body (1), described closure backguy (12) is fulcrum with static pulley I (14) and is connected with closure plunger (10) along closure plunger (10) axis; Described spindle backguy (13) is fulcrum with static pulley II (15) and is connected with spindle plunger (11) along spindle plunger (11) axis.
4. according to claim 3ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: described valve earthen pipe (1a) and throttle earthen pipe (1b) be arranged in parallel, be provided with the lid (16) that covers valve earthen pipe (1a) and throttle earthen pipe (1b) on the described body (1) removably, be provided for the through hole that closure backguy (12) and spindle backguy (13) are passed on the described lid (16), described closure spring (8) is arranged in the valve earthen pipe (1a), one end withstands closure plunger (10), the other end withstands lid (16), described spindle spring (9) is arranged in the throttle earthen pipe (1b), one end withstands spindle plunger (11), and the other end withstands lid (16).
5. according to claim 4ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: also comprise the spindle fixed mechanism, described spindle fixed mechanism comprises the lower collar (18) that fixedly is placed in the spindle plunger (11) and the last collar (19) that is threaded with lower collar (18), spindle (5) is fixed on the lower collar (18) along axis, spindle (5) tail end is fixedlyed connected with the spindle backguy (13) of passing the collar (19) center from top to bottom, and spindle backguy (13) is gone up overcoat and is provided with that spindle (5) tail end is withstood in the lower end and the spring (20) of the collar (19) is withstood in the upper end.
6. according to claim 5ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: the output terminal of described closure stepper motor (6) and spindle stepper motor (7) all is provided with backguy wheel disc (21) along circumferential secure fit, backguy wheel disc (21) excircle is provided with circumferential wire casing (21a), backguy fixed hole (21b) is set on the backguy wheel disc (21), and wire casing (21a) bottom has the cable-through hole (21c) that is communicated with wire casing (21a) and backguy fixed hole (21b).
7. according to claim 6ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: described closure plunger (10) is provided with the idling inlet hole and the idling inlet hole is carried out the idle adjusting screw (17) of Flow-rate adjustment.
8. according to claim 6ly can regulate the Carburetor of air fuel ratio automatically, it is characterized in that: described closure plunger (10) is provided with the idling inlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205800547U CN201843704U (en) | 2010-10-28 | 2010-10-28 | Carburetor capable of automatically adjusting air-fuel ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205800547U CN201843704U (en) | 2010-10-28 | 2010-10-28 | Carburetor capable of automatically adjusting air-fuel ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843704U true CN201843704U (en) | 2011-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205800547U Expired - Lifetime CN201843704U (en) | 2010-10-28 | 2010-10-28 | Carburetor capable of automatically adjusting air-fuel ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201843704U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968014A (en) * | 2010-10-28 | 2011-02-09 | 西南大学 | Separate-controlled carburetor applicable to intelligent control |
| CN108131218A (en) * | 2017-11-14 | 2018-06-08 | 王正富 | Breeze type small-displacement motorcycle carburetor |
| CN113107674A (en) * | 2021-04-17 | 2021-07-13 | 西北工业大学 | Small-size piston carburetor engine real-time data monitoring and adjustment system |
-
2010
- 2010-10-28 CN CN2010205800547U patent/CN201843704U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968014A (en) * | 2010-10-28 | 2011-02-09 | 西南大学 | Separate-controlled carburetor applicable to intelligent control |
| CN101968014B (en) * | 2010-10-28 | 2012-04-18 | 西南大学 | Separate-controlled carburetor applicable to intelligent control |
| CN108131218A (en) * | 2017-11-14 | 2018-06-08 | 王正富 | Breeze type small-displacement motorcycle carburetor |
| CN113107674A (en) * | 2021-04-17 | 2021-07-13 | 西北工业大学 | Small-size piston carburetor engine real-time data monitoring and adjustment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110525 Effective date of abandoning: 20120418 |