CN2344563Y - Gas fuel mixing controller - Google Patents
Gas fuel mixing controller Download PDFInfo
- Publication number
- CN2344563Y CN2344563Y CN 98242613 CN98242613U CN2344563Y CN 2344563 Y CN2344563 Y CN 2344563Y CN 98242613 CN98242613 CN 98242613 CN 98242613 U CN98242613 U CN 98242613U CN 2344563 Y CN2344563 Y CN 2344563Y
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- CN
- China
- Prior art keywords
- housing
- pipeline
- gas
- flowmeter
- air
- 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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Abstract
The utility model discloses a gas fuel mixing controller, comprising a housing and restrictor components. The utility model is characterized in that the frontage of the restrictor is provided with a flow meter valve sheet which is fixed on a rotatable flow meter shaft arranged eccentrically, and the outer part of the housing is provided with a gas pipeline body which is communicated with a housing pipeline; the inner of the gas pipeline body is provided with a flow regulating sleeve barrel which is communicated with the gas pipeline, and the inner of the flow regulating sleeve barrel is provided with a gas flow control shaft; a linked mechanism composed of two rocker arms and a connecting rod control the air entering ratio of air and gas. The utility model has the advantages of simple structure, low cost and accurate control, being suitable to be used for mini-type engines with low cost, such as motorcycles.
Description
The utility model relates to a kind of gas mixture control, the gaseous fuel mixture control that uses on particularly a kind of gaseous propellant engine.
Motorcycle generally uses gasoline to act as a fuel, and the tail gas of its burning has become one of urban air pollution main source.Increasingly serious along with the environmental protection situation, people attempt with the natural gas gasoline replacing that comprises the liquefied petroleum gas (LPG) compressed natural gas, and are because the exhaust pollutant that natural gas burning back produces seldom, less to the pollution of environment.Using gases fuel must make corresponding changes to the structure of existing Carburetor, makes combustion gas and air mix the composition inflammable gas according to a certain percentage.At present, valuable gases fuel acts as a fuel on the automobile, the gas fuel mixer Perfect in shape and function that it adopts, control are accurately, but complex structure, cost height, can only be applicable to the motor car engine of big cost, and the motorcycle engine that can not be fit to little cost particularly is not suitable for booster vehicle engine.
The purpose of this utility model provide a kind of simple in structure, cost is low, the gaseous fuel mixture control of precise control.
The purpose of this utility model is achieved in that a kind of gaseous fuel mixture control, comprise the housing that has pipeline and be arranged on joint air door, joint axle of the air door, joint air door rocking arm, the joint air door spring of an end of housing in order to the control air input of engine by air, and the screw that carries out the idling adjustment, it is characterized in that in the other end of housing pipeline, being provided with the Air flow meter valve block, the flowmeter valve block is fixed on the eccentric rotating flowmeter axle that is provided with, one end of flowmeter axle stretches out rocking arm one end of housing and double-action mechanism to be fixed, and is provided with Returnning spring on the flowmeter axle; Be provided with the gas pipeline body that communicates with the pipeline of housing in the outside of housing, be provided with rotatable idling gas flow regulating sleeve at the pipeline place of pipe body, one end is provided with idling gas flow adjusting screw in the outside of regulating sleeve, pipeline corner in the Flow-rate adjustment sleeve is provided with the gas flow Control Shaft of rotatable control combustion gas air inflow, another rocking arm one end that this gas flow Control Shaft one end stretches out in gas pipeline body and the double-action mechanism is fixed, and two rocking arms are hinged with the two ends of connecting rod respectively.Principle of the present utility model is: rotated by throttle control handle and drive the variation of joint throttle opening, the variation that therefore motor produces gettering quantity, the flowmeter valve block front and back that are positioned at joint air door the place ahead produce pressure difference and change, force the flowmeter valve block to rotate and drive the gas flow Control Shaft and rotate the variation that causes the combustion gas air inflow, thereby realize that air and combustion gas enter engine chamber by certain air fuel ratio composition combustible gas by double-action mechanism.Housing is the pipeline of air ventilation on the one hand, is the place of combustion gas and air mixing on the other hand, at the housing inner-walls of duct aperture is arranged, and combustion gas enters pipeline thus and air mixing composition inflammable gas enters the combustor inner cylinder acting.Joint air door, joint axle of the air door, joint air door rocking arm, joint air door spring and to carry out the screw that idling adjusts all similar with carburetor structure, and control the air inflow of inflammable gas thus.The air inflow of air is by flowmeter valve block control, and the flowmeter eccentric shaft is provided with, therefore guarantee the flowmeter valve block should before and after pressure reduction variation and rotate.The combustion gas air inlet is controlled by gas pipeline body, idling gas flow regulating sleeve and gas flow Control Shaft, idling gas flow regulating sleeve is provided with the pipeline at band turning to change the flow direction and the flow of gas pipeline, and the gas flow Control Shaft is provided with the flow of triangle grooving in order to the control combustion gas.The ratio of air and combustion gas air inflow is controlled by double-action mechanism, double-action mechanism comprises two rocking arms and a connecting rod, they form a tie rod linkage, and common form a function relation with triangle grooving on the gas flow Control Shaft, make gas flow be directly proportional, and in whole operating range, keep the relatively proportionate relationship of preparation with air mass flow.The idling gas flow is regulated parts and idling both air flow modulation parts are complementary parts, the former is idling gas flow adjusting screw and idling gas flow regulating sleeve, and the gas flow during in order to the fine setting idling is to reach optimal air-fuel ratio and optimum idle exhaust emission; The latter is an idle adjusting screw, saves throttle opening to adjust idling speed in order to the fine setting idling.
The utility model compared with prior art, its remarkable advantage is: 1, simple in structure, cost is low, is specially adapted to little cost motor such as motorcycle and booster vehicle engine, make the fuel of the motor of motor vehicle change inflammable gas into and become reality; 2, precise control, and the ratio of air and combustion gas in whole operating range keeps relatively accurate; 3, pollution is little; 4, easy for installation.
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the right TV structure schematic representation of Fig. 1.
Fig. 3 is the left TV structure schematic representation of Fig. 1.
Fig. 4 is the plan structure schematic representation of Fig. 1.
Fig. 5 is the sectional structure schematic representation of A-A among Fig. 4.
Embodiment: the gaseous fuel mixture control that the utility model is made, it comprises housing 1, joint air door 2, joint axle of the air door 3, joint air door Rocker arm 4, joint air door spring 5, idle adjusting screw 6, flowmeter valve block 7, flowmeter axle 8, rocking arm 9, Returnning spring 10, pipe body 11, idling gas flow regulating sleeve 12, idling gas flow adjusting screw 13, gas flow Control Shaft 14, rocking arm 15 and connecting rod 16.Housing 1 is a cuboid, and the centre is a pipeline.Joint air door 2, joint axle of the air door 3, joint air door Rocker arm 4, be installed in housing 1 on the same with existing Carburetor corresponding components of joint air door spring 5 with idle adjusting screw 6.Flowmeter valve block 7 is that both sides cut sub-fraction so that the disk that rotates, flowmeter axle 8 is installed on the housing 1 that is positioned at joint air door 2 the place aheads with flatly departing from the pipeline center top, the one end stretches out housing, flowmeter valve block 7 is fixed on the flowmeter axle 8 and can rotates together, and Returnning spring 10 is in order to resetting to flowmeter axle 8.Pipeline 2 bodies 11 also are cuboid, be provided with pipeline from top to bottom, middle part and pipeline at pipeline vertically are provided with circular hole, and idling gas flow regulating sleeve 12 is installed in this circular hole and is provided with the pipeline at band turning on the pipeline corresponding to pipe body 11 in idling gas flow regulating sleeve 12.Pipeline corner at idling gas flow regulating sleeve 12 is provided with circular hole, gas flow Control Shaft 14 is installed in this circular hole, has the triangle grooving to realize the purpose of flow control corresponding to the pipeline corner of idling gas flow regulating sleeve 12 at gas flow Control Shaft 14.Rocker arm 4, rocking arm 15 and connecting rod 16 constitute double-action mechanism, with the ratio of control air inlet amount and combustion gas air inflow.
Claims (1)
1, a kind of gaseous fuel mixture control, it comprises that housing [1] that has pipeline and an end that is arranged on housing [1] are in order to joint air door [2], joint axle of the air door [3], joint air door rocking arm [4], the joint air door spring [5] of control air input of engine by air and the screw [6] that carries out the idling adjustment; It is characterized in that in the other end pipeline of housing [1], being provided with flowmeter valve block [7], flowmeter valve block [7] is fixed on the eccentric rotating flowmeter axle [8] that is provided with, one end of flowmeter axle [8] stretches out housing [1] to be fixed with rocking arm [9] one ends of double-action mechanism, is provided with Returnning spring [10] on flowmeter axle [8]; Be provided with the gas pipeline body [11] that communicates with the pipeline of housing [1] in the outside of housing [1], be provided with rotatable idling gas flow regulating sleeve [12] at the pipeline place of pipe body [11], outboard end at regulating sleeve [12] is provided with idling gas flow adjusting screw [13], pipeline corner in Flow-rate adjustment sleeve [12] is provided with rotatable gas flow Control Shaft [14] in order to control combustion gas air inflow, these gas flow Control Shaft [14] one ends stretch out an end of another rocking arm [15] in gas pipeline body [11] and the double-action mechanism to be fixed, and two rocking arms are hinged with the two ends of connecting rod [16] respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98242613 CN2344563Y (en) | 1998-11-09 | 1998-11-09 | Gas fuel mixing controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98242613 CN2344563Y (en) | 1998-11-09 | 1998-11-09 | Gas fuel mixing controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2344563Y true CN2344563Y (en) | 1999-10-20 |
Family
ID=33989151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98242613 Expired - Fee Related CN2344563Y (en) | 1998-11-09 | 1998-11-09 | Gas fuel mixing controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2344563Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670244B (en) * | 2004-03-20 | 2010-05-05 | 鸿富锦精密工业（深圳）有限公司 | Gas preparing system and gas preparing method |
-
1998
- 1998-11-09 CN CN 98242613 patent/CN2344563Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670244B (en) * | 2004-03-20 | 2010-05-05 | 鸿富锦精密工业（深圳）有限公司 | Gas preparing system and gas preparing method |
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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 |