CN2514132Y - Multi-point oil jetting mechanism for carburetor - Google Patents
Multi-point oil jetting mechanism for carburetor Download PDFInfo
- Publication number
- CN2514132Y CN2514132Y CN 01210824 CN01210824U CN2514132Y CN 2514132 Y CN2514132 Y CN 2514132Y CN 01210824 CN01210824 CN 01210824 CN 01210824 U CN01210824 U CN 01210824U CN 2514132 Y CN2514132 Y CN 2514132Y
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- CN
- China
- Prior art keywords
- oil spout
- carburetor
- fuel
- oil
- flow control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Abstract
The multi-point oil spray mechanism of a carburetor mainly includes a main oil spray pipe and an oil quantity regulating level. A plurality of mini-sized straight oil spray slots are axially and circumferentially arranged on the thin circular wall of the main oil injection pipe, or a plurality of mini-sized spiral oil spray slots are arranged on the thin circular wall of the main oil injection pipe.
Description
Technical field: the utility model relates to a kind of oil spout mechanism, particularly a kind of Carburetor multiple spot oil spout mechanism belongs to the motor car engine field.
Background technique: the leading portion intake duct passage section of Carburetor all is designed to the shrink nozzle shape according to the air current flow direction, goes out to reach smallest cross-sectional at the main jet hydraulic fluid port, becomes aditus laryngis.By the air-breathing pressure difference that forms of motor, promote ambient air and flow into carburetor inlet.Manage principle according to Wen Deli: at the trunnion place, air-flow will reach Peak Flow Rate.But the boundary layer theory that flows according to real fluid: air near the aditus laryngis wall (in the boundary layer) though airspeed increase gradually, but also be lower than the airspeed of aditus laryngis central position, analyze according to the prior art literature search, the general unique main jet hydraulic fluid port of Carburetor all is located near the aditus laryngis bottom wall, when motor is in big load operation, bigger again by the annular oil spout cross section that spindle and main jet hydraulic fluid port are formed, cause injection unable, the gasoline that ejects departs from air-flow peak flow rate (PFR) district, aditus laryngis position again, is difficult to make the good atomizing of gasoline and mixes with even air.
Summary of the invention: the purpose of this utility model is to overcome deficiency of the prior art, and a kind of Carburetor multiple spot oil spout mechanism is provided.
The technical solution of the utility model is as follows: mainly comprise: main jet oil pipe, fuel-flow control bar, axial direction is offered some the little shape straight trough of oil spout on circumference in the circular thin-walled of main jet oil pipe upper edge, or on the circular thin-walled of main jet oil pipe, process some the little shape spiral chute of oil spout, numerous oil spout points are distributed in whole long-round-shape aditus laryngis central position, according to the viscous fluid flow boundary layer theory, most oil spout points are distributed in aditus laryngis air-flow peak flow rate (PFR) district.According to little spout characteristic distributions, oil, both vertically junctions of gas; Also can reverse junction or forward junction, can be any direction junction.It is a conicle that the fuel-flow control bar is arranged to front end, the stage casing is one section long conical section, back segment is an ovaler shell of column, the afterbody of cylindrical section is shaped on five fuel-flow control annular grooves, different annular grooves cooperate with collar, both the fixing position of oil mass adjustable lever in throttle valve or vacuum cock valve also regulated fuel delivery simultaneously.
The anterior initial position of fuel-flow control bar cylindrical section (cylinder and circular cone jointing place), when throttle valve or vacuum cock are in complete closed position, just in time can the little shape jet on the main jet oil pipe wall all be covered, no matter the fuel-flow control bar is a cylindrical section, or conical section or total length all extends to some extent than traditional carburetor needle valve.When plunger throttle valve or vacuum cock valve are in buttoned-up status, the columnar portion segmentation of fuel-flow control bar just in time covers all the little shape jets on the main jet oil pipe, this moment, the carburetor main main oil supply system was not devoted oneself to work, and motor is kept the idling operation running by idle system system fuel feeding.Shown in state be motor maximum load working state, this moment, plunger throttle valve or vacuum cock valve rose to aditus laryngis 100% aperture, the fuel-flow control bar also rises to equal height, all little jets have broken away from the covering of fuel-flow control bar cylindrical section fully on the main jet oil pipe, entered the oil spout working state that matches with conical section, owing to be furnished with the multidirectional that numerous little spouts and little spout distribute on the main jet oil pipe, the foam-like gasoline that the gasoline that is entered by main gauge hatch and the introducing air in the main foam tube mix mutually, through the main jet oil pipe numerous little jet of design on long-round-shape aditus laryngis long axis direction, nationality aperture oil spout principle, brute force is injected in whole Carburetor aditus laryngis position with gasoline for little mouthful from each oil spout, and the overwhelming majority is distributed in aditus laryngis air-flow peak flow rate (PFR) district.When motor need reduce load, the fuel-flow control bar that is blocked by collar is at gland and rely under the pressure effect of return spring, when the manipulation of control system, fuel-flow control bar and plunger throttle valve or vacuum cock valve descend highly same, the little mouth of part oil spout on the main jet oil pipe is hidden and fuel cut-off by fuel-flow control bar cylindrical section again, motor promptly reduce the situation decline low load operation of fuel delivery/since little mouthful of sectional area of single oil spout very little, its fuel injection quantity is also very little, so this structure also has fuel delivery is carried out micro-regulatory function.
The utility model not only makes Carburetor can realize the multiple spot oil spout, and has multidirectional oil spout function.Improve the oil spray degree, also can improve the uniformity of atomization gas and air mixing.And can provide the burning mixture of different oil, gas ratio for motor different load section.The utility model can obviously reduce engine consumption and significantly improve the discharging of motor, and applicability is strong, has tangible economic benefit and social benefit.
Below in conjunction with accompanying drawing the utility model is further described:
Description of drawings: Fig. 1 prior art oil gas mixing principle schematic representation
The schematic representation during work of Fig. 2 the utility model maximum load
The little spray straight trough of Fig. 3 structural representation
The little spray helical groove structure of Fig. 4 schematic representation
Fig. 5 flow control rod structural representation
Embodiment: as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the utility model mainly comprises: main jet oil pipe 1, fuel-flow control bar 4, at main jet oil pipe 1 circular thin-walled upper edge axial direction some the little shape straight troughs 2 of long or short oil spout are set on circumference, or some the little shape spiral chutes 3 of long or short oil spout are set on main jet oil pipe 1 circular thin-walled, numerous oil spout points are distributed in whole long-round-shape aditus laryngis central position, according to the viscous fluid flow boundary layer theory, most oil spout points are distributed in aditus laryngis air-flow peak flow rate (PFR) district.According to newly-designed little spout characteristic distributions, oil, both vertically junctions of gas also can reverse junction or forward junctions, can be any direction junction.It is a conicle 5 that fuel-flow control bar 4 is arranged to front end, the stage casing is one section long conical section 6, back segment is an ovaler shell of column 7, the afterbody of cylindrical section 7 is shaped on five fuel-flow control annular grooves 8, different annular grooves 8 cooperate with collar 9, both the fixing position of oil mass adjustable lever 4 in throttle valve 10 or vacuum cock valve 10 also regulated fuel delivery simultaneously.The anterior initial position of fuel-flow control bar 4 cylindrical sections 7 (cylinder and circular cone jointing place), when throttle valve 10 or vacuum cock valve 10 are in complete closed position, just in time can the little shape jet on main jet oil pipe 1 wall all be covered, no matter fuel-flow control bar 4 is cylindrical sections 7, or conical section 6 or total length all extends to some extent than traditional carburetor needle valve.
Claims (3)
1, a kind of Carburetor multiple spot oil spout mechanism, mainly comprise: main jet oil pipe (1), fuel-flow control bar (4), it is characterized in that the circular thin-walled of main jet oil pipe (1) upper edge axial direction is provided with some the little shape straight trough of oil spout (2) on circumference, or some the little shape spiral chute of oil spout (3) is set on the circular thin-walled of main jet oil pipe (1), numerous oil spout points are distributed in whole long-round-shape aditus laryngis central position.
2, this Carburetor multiple spot oil spout according to claim 1 mechanism is characterized in that fuel-flow control bar (4) is arranged to front end is-conicle (5), and the stage casing is one section long conical section (6), and back segment is an ovaler shell of column (7).
3, this Carburetor multiple spot oil spout according to claim 2 mechanism is characterized in that the afterbody of cylindrical section (7) is shaped on five fuel-flow control annular grooves (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01210824 CN2514132Y (en) | 2001-02-28 | 2001-02-28 | Multi-point oil jetting mechanism for carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01210824 CN2514132Y (en) | 2001-02-28 | 2001-02-28 | Multi-point oil jetting mechanism for carburetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2514132Y true CN2514132Y (en) | 2002-10-02 |
Family
ID=33630315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01210824 Expired - Fee Related CN2514132Y (en) | 2001-02-28 | 2001-02-28 | Multi-point oil jetting mechanism for carburetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2514132Y (en) |
-
2001
- 2001-02-28 CN CN 01210824 patent/CN2514132Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |