Ejector tube and cooker burner including same

Abstract

The invention discloses an ejection pipe and a cooker burner comprising the same. The ejection pipe comprises a pipe body. The pipe body is composed of an inner pipe and an outer pipe which are sleeved coaxially. An annular gap between the inner pipe and the outer pipe forms an ejection structure of the ejection structure. The cooker burner comprises a gas nozzle assembly, the above ejection pipeand a base which are arranged in the gas flow direction in sequence. One end of the ejection pipe is connected to the base. The other end of the ejection pipe is provided with the gas nozzle assembly.The ejection pipe are formed by coaxially sleeving the inner pipe and the outer pipe. The annular gap between the inner pipe and the outer pipe serves as the ejection structure of the ejection pipe.Under the condition of occupying the same cross sectional area, the annular gap can have the more inner wall perimeter. Through the structure, the area of the inner wall of the ejection pipe can be effectively increased. Accordingly, more air can be sucked under the condition of the same surface pressure of the inner wall, and the ejection effect of the ejection pipe on the air is improved.

Description

technical field [0001] The invention relates to an injection pipe and a cooker burner containing the same. Background technique [0002] The ejector tube is an important part of the cooker burner. The ejector receives the gas from the nozzle, uses the pressure difference generated by the gas flow in the ejector tube to suck in the surrounding air, and finally sends the gas and air into the gas mixing chamber, so that the gas It is fully mixed with air, so that the mixed gas is fully burned at the gas hole, and the combustion efficiency of the stove burner is improved. [0003] The cross-sectional shape of most injection pipes is usually circular or elliptical, which can be divided into constriction section, horizontal section and expansion section according to the change of cross section along the direction of gas flow. Wherein, the existing ejection tube has poor ejection ability to air, which directly affects the combustion effect of the cooker. Therefore, how to improve...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an injection tube and a cooker burner containing it in order to overcome the defect that the injection tube in the prior art has a poor ability to inject air.

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