CN2416238Y - Efficient environment protection carburetor for vehicle - Google Patents

Abstract

The utility model relates to an environment protection type carburetor with high efficiency for a vehicle, which comprises an oil inlet device, an air premixing device used for mixing the supplied oil of the oil inlet device with air, an annular oil nozzle used for mixing the oil-air mixture formed by the air premixing device with outer air, and a central wave head device matched with the annular oil nozzle for forming an oil-air inlet passage. Because the carburetor adopts secondary oil-air mix and the annular oil nozzle, the mixed and premixed oil-air mixture has more contact with the air; the utility model can ensure that mixing particles are fine and are mixed sufficiently; thereby, the disadvantages of low heat efficiency and severe environmental pollution caused by the insufficient combustion of a traditional carburetor can be overcome.

Description

Environment-friendly highly efficient rate automobile carburetor

The utility model relates to Manufacturing Technology for Carburetors, more particularly, relates to a kind of environment-friendly highly efficient rate automobile carburetor.

In the prior art, the ignition and make engine work in engine cylinder of liquid fuels such as automobile, but liquid fuel all must become gas in advance and could burn with airborne oxygen mix, directly influence the burning result and whether mix the suitable and carburretion granularity of ratio, fuel can be realized perfect combustion, the engine working efficiency is just high, the exhaust emission pollution that fuel produces is just few, for this reason, Carburetor will be finished two big missions, just make the carburretion granularity little, and make it to be fit to perfect combustion with the air mixing ratio.And the Carburetor of prior art is because all undesirable aspect above-mentioned two, and therefore, incomplete combustion and cause thermal efficiency utilization not high produces more pollution to air.

The purpose of this utility model is to provide a kind of environment-friendly highly efficient rate automobile carburetor, this environment-friendly highly efficient rate automobile carburetor, can overcome the above-mentioned shortcoming of prior art, have mixed proportion, the vaporization granularity is suitable and make combustion efficiency reach the highest and the atmospheric pollution minimum.

The purpose of this utility model is to realize like this, construct a kind of environment-friendly highly efficient rate automobile carburetor, it is characterized in that, the air pre-mixing that comprises the oil-feed device, the oil-feed of oil-feed device is mixed with air attaches together puts, air pre-mixing attached together the annular oil nozzle that the oil gas mixture of putting formation mixes with outside air, cooperate the center wave head device that constitutes oil-feed gas path with annular oil nozzle.

Environment-friendly highly efficient rate automobile carburetor of the present utility model, it is characterized in that, described annular oil nozzle comprises the oil outlet of the minimum clearance that oil nozzle ring bottom end face and following main body upper-end surface form, footpath poor within footpath and the following main body within the described oil nozzle ring, described minimum clearance and described two internal diameters differ to determine amount and the degree of refinement that premixing gas and oil+gas is sucked out.

Environment-friendly highly efficient rate automobile carburetor of the present utility model, it is characterized in that, described center wave head device comprises that center-pole, center-pole run through its center and be located at down the guide type shoe of main body central authorities, center-pole is in the guide type shoe top and fixes the gas hood of establishing by pin, and above gas hood, be fixed with the center wave head by packing ring and nut, central post top portion is connected to the service axis of the Returnning spring control that is located at its two ends by throttle lever, described throttle lever is arranged at wave head device top, center, promptly is among the atmospheric pressure environments.

Environment-friendly highly efficient rate automobile carburetor of the present utility model, it is characterized in that, form the cavity gap of similar Venturi tube when described center wave head and gas hood are pressed down by throttle lever and between the following main body, its gap length is depressed the center wave head by throttle lever and is changed, thereby realizes speed of a motor vehicle control.

Environment-friendly highly efficient rate automobile carburetor of the present utility model, it is characterized in that, described air pre-mixing attaches together to put and comprises oil duct ring and the air conditioning ring that is enclosed within on the oil duct ring, evenly be inserted with two or more symmetrical oil pipes and oil pipe grip assembly on the oil duct ring, described air conditioning ring comprises with the inner ring of uniform tapped hole with the outer ring of uniform microscler through hole, the adjusting driving lever is equipped with in the outer ring, and the negative pressure that inserts Carburetor inside makes the closed opening degree between vacuum leather bag device promotion adjusting driving lever control outer ring slotted hole and the inner ring circular hole control air inflow; It is characterized in that the slotted hole of described outer ring and the circular hole of inner ring can be changed into the hole of other shapes, realize that the premixing under the different speed of a motor vehicle states is regulated.

Environment-friendly highly efficient rate automobile carburetor of the present utility model, it is characterized in that, described oil-feed device comprises two or more symmetrical oil pipes, is enclosed within the oil pipe cover on the oil pipe, in each oil pipe bottom or perisporium to be provided with size diameter be 0.5 millimeter or less than 0.5 millimeter oil inlet hole.

Implement environment-friendly highly efficient rate automobile carburetor of the present utility model, owing to adopt secondary air to mix, promoted to regulate dead man (Fig. 2) by negative pressure control air bag device in the cavity before this, make the air conditioning ring give air quantity and carry out premixing, be service axis resetting means control then by stepping on the throttle and utilize center wave head curved surface variable quantity to carry out the secondary mixing of oil and air, simultaneously, adopt annular oil nozzle, make mixed and premixed oil gas mixture more the contact be arranged with air, guarantee that mangcorn is careful and mix, thereby overcome the low and big shortcoming of environmental pollution of the insufficient thermal efficiency that brings of burning that traditional Carburetor exists greatly.

Below, in conjunction with the accompanying drawings and embodiments, further specify characteristics of the present utility model, in the accompanying drawing:

Fig. 1 is the principal section structural representation of environment-friendly highly efficient rate automobile carburetor of the present utility model;

Fig. 2 is that the environment-friendly highly efficient rate automobile carburetor of the present utility model A that is principal section is to schematic representation;

Fig. 3 is the B portion oil nozzle enlarged diagram of Fig. 1;

Fig. 4 is the C portion enlarged diagram of Fig. 1;

Fig. 5 is the structural representation of air conditioning ring;

Fig. 6 is fuel oil and air mixing schematic representation.

Each number in the figure is unitedly described as follows: the 1st, following main body, the 2nd, last main body, the 3rd, center-pole, the 4th, guide type shoe, the 5th, throttle lever, the 6th, center wave head, the 7th, gas hood, the 8th, oil nozzle, the 9th, oil pipe, the 10th, oil pipe cover, the 11st, oil duct ring, the 12nd, air conditioning ring, the 13rd, regulate driving lever, the 14th, seal ring, the 15th, service axis, the 16th, Returnning spring, the 17th, oil nozzle ring, the 18th, lubricating cup, the 19th, accelerating pump Pu device, the 20th, packing ring and nut, the 21st, pin, the 22nd, lubricating cup, the 23rd, loam cake, the 24th, drive link, the 25th, air bag device.

As depicted in figs. 1 and 2, environment-friendly highly efficient rate automobile carburetor of the present utility model mainly comprises main body 2, following main body 1, be provided with center-pole 3 therebetween, gas hood 7, center wave head 6, throttle lever 5 etc., on the last main body 2 loam cake 23 is arranged, following main body both sides are provided with lubricating cup 22, be provided with guide type shoe 4 at following main body 1 middle position, connect center-pole 3 in the bearing 4, center-pole 3 is in guide type shoe 4 tops by the pin 21 fixing gas hoods of establishing 7, and above gas hood 7, being fixed with center wave head 6 by packing ring and nut, center-pole 3 tops are connected to the service axis 15 (referring to Fig. 2) of Returnning spring 16 controls that are located at its two ends by throttle lever 5.This shows, when stepping on gas, by drive link 24, service axis 15 and the throttle lever 5 of stepping on the gas and joining with pin, center wave head 6 on the center-pole 3 is pressed down, because the cavity gap of the similar Venturi tube that forms between center wave head 6 and gas hood 7 and the following main body 1, the gap is big more, and to enter the air of this cavity just many more, and oil gas mixes also many, and the power that motor is obtained is also big more.With regard to oil circuit, with reference to figure 4 and Fig. 6, oil sucks from the bottom of oil pipe 9, this oil pipe 9 is except oil-sucking hole is arranged at the bottom, around it, be evenly equipped with oil-sucking hole, the oil pipe 9 outer oil pipe covers 10 that are with, the described a plurality of oil pipes that have oil pipe 9 respectively overlap on 10 through holes that are evenly distributed on the oil duct ring 11, the oil duct ring is contained in the air conditioning ring 12, there is the driving lever 13 of adjusting to regulate to the air that the air conditioning ring advances, constituted after the oil circuit oil-feed premixing thus with air, the adjustable premixed degree of air conditioning ring wherein, through premixing and oil gas mixture along the direction of arrow among Fig. 6, from uniform oil nozzle 8 ejections of annular, the gas mixture of ejection mixes with air from the top again, and the gas mixture amount and the granularity of ejection depend on center wave head 6, gap between gas hood 7 and the Wen's inner chamber, the difference b size (as shown in Figure 3) of the gap a size of oil nozzle 8 and oil nozzle ring bottom end face internal diameter and following main body 1 upper-end surface internal diameter, last gas mixture enters engine chamber.Be in negative pressure from 8 mouthfuls of oil nozzles to entering this section of motor space, like this, when the motorist unclamps throttle, when promptly not having external pressure to be added on the center-pole, because suction function, may also be in opening state between center wave head 6 and the oil nozzle 8, like this, just do not reach the purpose of control, for this reason, the Returnning spring 16 of sufficient intensity is equipped with at the two ends of the service axis 15 on the center-pole 3 of center wave head 6, like this, press down under (action of stepping on the gas) external force situation not adding, under Returnning spring 16 effects, be between center wave head 6 and the oil nozzle 8 that to close be idle state.

In conjunction with Fig. 5-Fig. 6, illustrate that the air pre-mixing in the utility model closes controlling mechanism, as shown in the figure, evenly be inserted with 8 oil pipes 9 on the oil duct ring 11, oil pipe overlaps 10 assemblies, air conditioning ring 12 comprises with the inner ring of uniform tapped hole with the outer ring of uniform microscler through hole, the outer ring is equipped with and is regulated driving lever 13, closed opening degree when this regulates driving lever 13 actions between may command outer ring slotted hole and the inner ring circular hole, thereby the control air pre-mixing is closed degree, this adjusting driving lever 13 is to promote the switching degree of air conditioning ring by Carburetor inside (above-mentioned negative pressure space) as the feedback sources that changes, and its actuator is exactly a vacuum leather bag device (as shown in Figure 2).In air conditioning ring 12 and last main body 2, be provided with seal ring 14 between the main body 1 down.

As Fig. 1-shown in Figure 6, environment-friendly highly efficient rate automobile carburetor of the present utility model mainly adopts annular oil outlet to make the granularity refinement (0-200 μ m) of fuel oil, and realizes fully evenly sucking-off fuel oil; The center wave head moves up and down in the chamber of similar Venturi tube (size and shape in wave head and chamber designs according to different engines), and the air mass flow that control enters through filter cleaner obtains the final uniform atomizing mixed gas that burns; The process of fuel oil sucking-off, sneak into air in certain amount by the switching amount of air conditioning ring in fact from the fuel oil of annular hydraulic fluid port sucking-off, realized the premixing of air and fuel oil, because the fluid of Carburetor inside is in the speed of a motor vehicle, non-stationary flow under the different state of changing such as load, in any case but, mixed fluid should be the particulate of proper ratio, therefore, the air conditioning ring that the utility model is provided with is exactly to control the switching degree of air conditioning ring by Carburetor inside (negative pressure position) as the feedback sources that changes, and its actuator is exactly a vacuum leather bag device.

Claims (10)

1, a kind of environment-friendly highly efficient rate automobile carburetor, it is characterized in that, the air pre-mixing that comprises the oil-feed device, the oil-feed of oil-feed device is mixed with air attaches together puts, air pre-mixing attached together the annular oil nozzle that the oil gas mixture of putting formation mixes with outside air, cooperate the center wave head device that constitutes oil-feed gas path with annular oil nozzle.

2, environment-friendly highly efficient rate automobile carburetor according to claim 1, it is characterized in that, described annular oil nozzle comprises the oil outlet of the minimum clearance that oil nozzle ring bottom end face and following main body upper-end surface form, footpath poor within footpath and the following main body within the described oil nozzle ring, described minimum clearance and described two internal diameters differ to determine amount and the degree of refinement that premixing gas and oil+gas is sucked out.

3, environment-friendly highly efficient rate automobile carburetor according to claim 2 is characterized in that, the selection of dimension scope of described minimum clearance is the 0.05-1.0 millimeter, and the selection of dimension scope of described two difference in internal diameters is 0.05-1.0 millimeters.

4, environment-friendly highly efficient rate automobile carburetor according to claim 1, it is characterized in that, described annular oil nozzle can be a fuel-displaced oil nozzle of wholecircle week, also can be uniform several fuel-displaced oil nozzles on the circumference, guarantees under suction function evenly sucking-off premixing gas and oil+gas and makes granularity refinement.

5, environment-friendly highly efficient rate automobile carburetor according to claim 1, it is characterized in that, described center wave head device comprises that center-pole, center-pole run through its center and be located at down the guide type shoe of main body central authorities, center-pole is in the guide type shoe top and fixes the gas hood of establishing by pin, and above gas hood, being fixed with the center wave head by packing ring and nut, central post top portion is connected to the service axis of the Returnning spring control that is located at its two ends by throttle lever.

6, environment-friendly highly efficient rate automobile carburetor according to claim 5 is characterized in that throttle lever is arranged on the top of described center wave head device, promptly is among the atmospheric pressure environments.

7, environment-friendly highly efficient rate automobile carburetor according to claim 5, it is characterized in that, form the cavity gap of similar Venturi tube when described center wave head and gas hood are pressed down by throttle lever and between the following main body, its gap length is depressed the center wave head by throttle lever and is changed, thereby realizes speed of a motor vehicle control.

8, environment-friendly highly efficient rate automobile carburetor according to claim 1, it is characterized in that, described air pre-mixing attaches together to put and comprises oil duct ring and the air conditioning ring that is enclosed within on the oil duct ring, evenly be inserted with two or more symmetrical oil pipes and oil pipe grip assembly on the oil duct ring, described air conditioning ring comprises with the inner ring of uniform tapped hole with the outer ring of uniform microscler through hole, the adjusting driving lever is equipped with in the outer ring, and the negative pressure that inserts Carburetor inside makes the closed opening degree between vacuum leather bag device promotion adjusting driving lever control outer ring slotted hole and the inner ring circular hole control air inflow.

9, environment-friendly highly efficient rate automobile carburetor according to claim 8 is characterized in that, the slotted hole of described outer ring and the circular hole of inner ring can be changed into the hole of other shapes, realizes that the premixing under the different speed of a motor vehicle states is regulated.

10, environment-friendly highly efficient rate automobile carburetor according to claim 1, it is characterized in that, described oil-feed device comprises two or more oil pipes, is enclosed within the oil pipe cover on the oil pipe, in each oil pipe bottom or perisporium to be provided with size diameter be 0.5 millimeter or less than 0.5 millimeter oil inlet hole.

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