CN201344075Y

CN201344075Y - Novel plunger carburetor

Info

Publication number: CN201344075Y
Application number: CNU2009200502820U
Authority: CN
Inventors: 张素萍; 邓炳林; 周静
Original assignee: Zhanjiang Deli Carburetor Co Ltd
Current assignee: Zhanjiang De Li vehicle part Co., Ltd
Priority date: 2009-01-16
Filing date: 2009-01-16
Publication date: 2009-11-11
Anticipated expiration: 2019-01-16

Abstract

The utility model belongs to the technical field of carburetor, concretely discloses a novel plunger carburetor, which comprises a carburetor body, an air inlet on the carburetor body, a mixing room oil outlet, and a plunger hole on the carburetor body, a desorption port hole and a desorption port connection pipe connected with the desorption port hole are arranged on the carburetor body. The carburetor has simple and reliable structure, and is convenient for manufacturing, by utilizing optimum adjustment mixing atomization function of the carburetor to fuel and air, continuously volatilized gasoline steam in a oil tank is stored in a carbon tank, and enters into a engine through a desorption port carburetor for combustion, thereby saving energy and reducing environmental pollution of the fuel oil steam.

Description

The novel plunger-type Carburetor

Technical field

The utility model relates to the Component of motorcycle oil supply system, relates in particular to a kind of new structure of using the fuel evaporation control technique.

Background technique

Environmental pollution and energy shortage have become two big crises of the world today, are seriously threatening the existence of whole human society, so green technology and power-saving technology have become the problem of a sternness.Along with human living standard's raising, people's environmental consciousness improves constantly, and the minimizing day by day of petroleum resources in addition makes people all have higher requirement to Economy, the exhaust index of motorcycle.Therefore take to protect the measure of environment to emerge in an endless stream,, have common Carburetor is carried out accurate adjustment with regard to motorcycle industry; have to add and touch the coal catalyzer; the secondary air-supplementing valve of adding is arranged, even control oil gas mixing ratio with EFI and electronic control technology and improve combustion efficiency, to reduce the discharging of motorcycle.

Gasoline is a kind of volatile liquid, often is full of steam at normal temperatures in the fuel tank, and the continuous volatilization of gasoline causes the pressure of fuel tank internal to increase, and will produce certain danger when pressure arrives certain value.The present motorcycle of China is for balance pressure, and what have directly communicates the vent of fuel tank with atmosphere, and fuel vapor overflows to atmosphere from vent; Or fuel tank cap made pressure-limit valve, when pressure exceeded a certain value, pressure-limit valve was just opened and gasoline vapor is discharged in the atmosphere.Thereby caused motorcycle tank to become the primary pollution source of fuel evaporation pollutant.The tradition Carburetor fails fuel evaporation is effectively handled, so environment is produced pollution greatly, again the energy has been caused significant wastage on the other hand.

The model utility content

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of novel plunger-type Carburetor is provided, this carburetor structure is simple and easy reliable, easy to make, utilize the beat setting mixed aerosol effect of Carburetor, the gasoline vapour of volatilization is stored by canister, and enter in the motor by desorption mouth Carburetor and to burn fuel oil and air, can better energy saving, reduce the pollution of fuel-steam to environment.

In order to realize above-mentioned technical purpose, the utility model is realized by following technological scheme:

Novel plunger-type Carburetor described in the utility model, comprise the Carburetor body, and suction port on the Carburetor body and mixing chamber oil outlet, also comprise the plunger hole on the Carburetor body, described Carburetor body is provided with the desorption oral pore, and the desorption mouth connecting tube that is connected with this desorption oral pore.

As the further improvement of above-mentioned technology, described desorption oral pore is arranged at the plunger hole hole wall of body, or suction port and plunger hole hole wall attachment portion, or mixing chamber oil outlet and plunger hole hole wall attachment portion.

As the further improvement of above-mentioned technology, described desorption mouth connecting tube and Carburetor body interference fit, and the angled setting of desorption mouth connecting tube and plunger hole center.

Compared with prior art, the beneficial effects of the utility model are:

The utility model is because at Carburetor plunger hole hole wall, or suction port and plunger hole hole wall attachment portion, or mixing chamber oil outlet and plunger hole hole wall attachment portion have additional desorption oral pore and desorption mouth connecting tube, suction function when having utilized engine operation fully, the fuel vapor that is stored in the canister is sent into Carburetor smoothly by the desorption oral pore and the desorption mouth connecting tube of Carburetor, enter cylinder combustion after making itself and air mixing then, play energy saving, reduce the effect of fuel vapor environmental pollution.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in detail:

Fig. 1 is the utility model desorption mouth carburetor structure schematic representation;

Fig. 2 is that the A-A of above-mentioned Fig. 1 is to cut-away illustration;

Fig. 3 is a desorption mouth connecting tube structural representation in the utility model;

Fig. 4 is the motorcycle fuel evaporation control system schematic diagram.

Embodiment

As shown in Figure 1, plunger type carburetor 10 described in the utility model, comprise Carburetor body 101, and suction port on the Carburetor body 101 and mixing chamber oil outlet, also be included in the plunger hole on the Carburetor body 101, described Carburetor body 101 is provided with desorption oral pore 102, and the desorption mouth connecting tube 103 that is connected with this desorption oral pore 102.

Described desorption oral pore 102 can be arranged at the plunger hole hole wall of body, or/and suction port and plunger hole hole wall attachment portion, or/and mixing chamber oil outlet and plunger hole hole wall attachment portion.

In the utility model, described desorption mouth connecting tube 103 and Carburetor body 101 interference fit, and desorption mouth connecting tube 103 and the angled setting in plunger hole center.

Fig. 2 is the motorcycle fuel evaporation control system schematic diagram, and this fuel evaporation control system mainly is made up of steam seperating vale 1 (being the TPCV valve) and corresponding oil line pipe 2, activated carbon canister 3 (also claiming the vapor recovery jar), the novel Carburetor 10 that has the desorption mouth, fuel tank switch 5, fuel tank 6, fuel filter 4, air-strainer 7, intake manifold 8, motor 11.

When the gasoline vapour of canister absorption reduces, the required gasoline of motor proper functioning flows out from fuel tank switch 5, after filtering, fuel filter 4 enters the novel Carburetor 10 that has the desorption mouth, and air enters the suction port of plunger type carburetor described in the utility model after by air-strainer 7, and this moment, gasoline and air mixed after send motor 11 after the intake manifold 8 to and burn in the mixing chamber atomizing of the novel Carburetor 10 that has the desorption mouth.

No matter engine running is still flame-out, and the gasoline vapour of fuel tank 6 tops is gone out from separator 1 and entered canister 3 through oil line pipe 2, is got up by canister 3 absorption and storage.When the gasoline vapour of canister 3 absorption reached a certain amount of, above-mentioned oil supply system is proper functioning still, and the fuel dispensing outlet of canister 3 tops communicates with desorption mouth connecting tube 103.When motor 11 runnings, under intake manifold 8 negative pressure of vacuum effects, the fuel dispensing outlet one-way valve opens of vacuum signal 12 controls, and air enters from canister 3 bottoms, fuel mixture enters desorption mouth connecting tube 103 by oil duct pipeline 2 and arrives at Carburetor 10, and mixes with air atomizing in entering the novel Carburetor 10 that has the desorption mouth, enter motor 11 through intake manifold 8 then and participate in burning.

The utility model plunger type carburetor, simple structure is reliable, simple for production feasible, it makes full use of the beat setting mixed aerosol effect of Carburetor to fuel oil and air, the gasoline vapour that constantly volatilizees in the fuel tank is stored by canister, and enter in the motor by the plunger type carburetor that has the desorption mouth and to burn, so that motorcycle is good in economical consumption of fuel, power character and ride comfort, when exhaust emissions satisfies national III emission standard, energy saving, reduce the pollution of fuel vapor to environment.

Claims

1. novel plunger-type Carburetor, comprise the Carburetor body, and suction port on the Carburetor body and mixing chamber oil outlet, also be included in the plunger hole on the Carburetor body, it is characterized in that: described Carburetor body is provided with the desorption oral pore, and the desorption mouth connecting tube that is connected with this desorption oral pore.

2. novel plunger-type Carburetor according to claim 1 is characterized in that: described desorption oral pore is arranged at the plunger hole hole wall of body, or suction port and plunger hole hole wall attachment portion, or mixing chamber oil outlet and plunger hole hole wall attachment portion.

3. novel plunger-type Carburetor according to claim 2 is characterized in that: described desorption mouth connecting tube and Carburetor body interference fit, the angled setting of described desorption mouth connecting tube and plunger hole center.