Direct-fire and rotary-fire mixed burner

Abstract

The utility model discloses a straight fire and rotary fire mixed burner which comprises a main body, a middle ring fire cover and an outer ring fire cover are installed on the top of the main body, first fire outlet holes are formed in the top of the middle ring fire cover and the top of the outer ring fire cover, and a plurality of second fire outlet holes inclining outwards are annularly formed in the outer side wall of the middle ring fire cover. The outlet end of the second fire outlet hole faces the top of the outer ring fire cover; due to the fact that the second fire outlet holes inclining outwards are formed, an ignition structure is arranged between the middle ring fire cover and the outer ring fire cover, flames of the middle ring fire cover ignite fuel gas sprayed out of the second fire outlet holes firstly, and then the flames sprayed out of the second fire outlet holes ignite fuel gas of the outer ring fire cover. The flame of the middle ring fire cover can ignite the gas of the outer ring fire cover faster, the ignition speed of the burner is increased, and the flame sprayed out of the first fire outlet hole of the middle ring fire cover and the flame sprayed out of the first fire outlet hole of the outer ring fire cover are combined with the flame sprayed out of the second fire outlet hole, so that the burner can evenly heat the cookware.

Description

Technical Field

[0001] The utility model relates to the field of gas furnaces, in particular to a direct-fire rotary-fire mixing burner. Background Art

[0002] The existing stove burner includes an inner ring fire cover, a middle ring fire cover and an outer ring fire cover. The top of the inner ring fire cover, the top of the middle ring fire cover and the top of the outer ring fire cover are all provided with fire outlet holes. The working principle of the stove burner is as follows: the user ignites the gas at the inner ring fire cover, and then the flame at the inner ring fire cover is transmitted to the middle ring fire cover, and then the flame at the middle ring fire cover is transmitted to the outer ring fire cover, so as to realize the ignition of the burner;

[0003] The existing fire outlet holes of the middle ring fire cover and the outer ring fire cover both spray the gas upward, and there is no ignition structure between the middle ring fire cover and the outer ring fire cover, so the flame transfer speed between the two is slow, which affects the ignition speed of the burner; and the existing burner cannot heat the cookware evenly. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a direct-fire rotary-fire mixed burner.

[0005] According to the first aspect of the present invention, the direct-fire, rotary-fire, mixing burner comprises a main body, a middle-ring fire cover and an outer-ring fire cover are installed on the top of the main body, the top of the middle-ring fire cover and the top of the outer-ring fire cover both have a first fire outlet hole, the outer side wall of the middle-ring fire cover is ringed with a plurality of outwardly inclined second fire outlet holes, the outlet ends of the second fire outlet holes face the top of the outer-ring fire cover.

[0006] The straight-fire and rotary-fire mixed burner according to the embodiment of the utility model has at least the following technical effects: by providing a second fire outlet hole inclined outward, an ignition structure is provided between the middle ring fire cover and the outer ring fire cover, so that the flame of the middle ring fire cover first ignites the gas ejected from the second fire outlet hole, and then the flame ejected outward through the second fire outlet hole ignites the gas of the outer ring fire cover, so that the flame of the middle ring fire cover ignites the gas of the outer ring fire cover more quickly, thereby improving the ignition speed of the burner, and the flame ejected from the first fire outlet hole of the middle ring fire cover and the flame ejected from the first fire outlet hole of the outer ring fire cover are combined with the flame ejected from the second fire outlet hole, so that the burner can evenly heat the cookware.

[0007] According to some embodiments of the present invention, the diameter of a portion of the second fire holes is greater than the diameter of another portion of the second fire holes, and a second fire hole with a smaller diameter is provided between every two second fire holes with larger diameters.

[0008] According to some embodiments of the present invention, the top of the outer ring fire cover close to the middle ring fire cover has a first inclined surface inclined downward so that the flame of the second fire outlet hole can be sprayed above the outer ring fire cover.

[0009] According to some embodiments of the utility model, the top of the middle ring fire cover and the top of the outer ring fire cover are both provided with a plurality of protrusions, the plurality of protrusions are arranged at intervals along the circumferential direction of the main body, and the first fire outlet is located on the protrusions.

[0010] According to some embodiments of the present invention, the first fire outlet is vertically arranged.

[0011] According to some embodiments of the utility model, a third fire hole is provided between every two of the protrusions, and the third fire hole is connected with the inner wall of the middle ring fire cover, the outer wall of the middle ring fire cover and the top of the middle ring fire cover.

[0012] According to some embodiments of the present invention, there is an angle between the central axis of the first fire outlet and the horizontal plane, and the angle is less than 90°.

[0013] According to some embodiments of the utility model, the outer wall of the outer ring fire cover is provided with a plurality of fourth fire outlet holes inclined outward, and the outlet ends of the fourth fire outlet holes face upward of the outer ring fire cover.

[0014] According to some embodiments of the utility model, the outer wall ring of the outer ring fire cover is provided with a plurality of outwardly inclined fifth fire holes, the outlet ends of the fifth fire holes are facing the top of the outer ring fire cover, the fifth fire holes are provided between every two of the fourth fire holes, and the fifth fire holes are located below the fourth fire holes.

[0015] According to some embodiments of the present invention, the top of the middle ring fire cover away from the outer ring fire cover has a second inclined surface inclined downward.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of a direct-fire rotary-fire mixed burner of a first embodiment;

[0019] Figure 2 It is a structural schematic diagram of a direct-fire rotary-fire mixed burner of a second embodiment;

[0020] Figure 3 It is a cross-sectional view of a direct-fire, rotary-fire mixing burner according to a second embodiment.

[0021] Reference numerals: main body 100 , middle ring fire cover 200 , first fire hole 210 , second fire hole 220 , protrusion 230 , third fire hole 240 , second inclined surface 250 , outer ring fire cover 300 , first inclined surface 310 , fourth fire hole 320 , fifth fire hole 330 . DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Reference Figure 1 , 2 As shown, the direct-fire rotary-fire mixed burner according to the embodiment of the utility model comprises a main body 100, a middle ring fire cover 200 and an outer ring fire cover 300 are installed on the top of the main body 100, and the top of the middle ring fire cover 200 and the top of the outer ring fire cover 300 both have a first fire outlet 210, as shown in FIG. Figure 2 , 3As shown, the outer wall ring of the middle ring fire cover 200 is provided with a plurality of outwardly inclined second fire holes 220, and the outlet ends of the second fire holes 220 face the top of the outer ring fire cover 300, that is, the height value of the outlet end of the second fire hole 220 is greater than the height value of the inlet end of the second fire hole 220, so that the second fire hole 220 sprays flames outward.

[0027] By providing a second fire outlet hole 220 inclined outward, an ignition structure is provided between the middle ring fire cover 200 and the outer ring fire cover 300, so that after the inner ring fire cover ignites the gas of the middle ring fire cover 200, the flame of the middle ring fire cover 200 first ignites the gas ejected from the second fire outlet hole 220 located on its side, and then the flame ejected outward from the second fire outlet hole 220 ignites the gas of the outer ring fire cover 300, so that the flame of the middle ring fire cover 200 ignites the gas of the outer ring fire cover 300 more quickly, thereby improving the ignition speed of the burner, and the flame ejected from the first fire outlet hole 210 of the middle ring fire cover 200 and the flame ejected from the first fire outlet hole 210 of the outer ring fire cover 300 are combined with the flame ejected from the second fire outlet hole 220, so that the burner can evenly heat the cookware.

[0028] In some embodiments of the present invention, Figure 1 As shown, the diameter of one part of the second fire holes 220 is larger than the diameter of the other part of the second fire holes 220, and a second fire hole 220 with a small diameter is provided between every two second fire holes 220 with large diameters, that is, the plurality of second fire holes 220 are divided into two parts, one part is the second fire holes 220 with a large diameter, and the other part is the second fire holes 220 with a small diameter, and a second fire hole 220 with a small diameter is provided between every two second fire holes 220 with large diameters, so as to ensure that the ignition speed of the burner is increased and the burner can heat the cookware evenly.

[0029] In a further embodiment of the present invention, Figure 3 As shown, the top of the outer ring fire cover 300 close to the middle ring fire cover 200 has a downwardly inclined first inclined surface 310 so that the flame of the second fire hole 220 can be sprayed to the top of the outer ring fire cover 300, so that the flame of the second fire hole 220 can more easily ignite the gas of the first fire hole 210 of the outer ring fire cover 300, thereby ensuring that the ignition speed of the burner is improved.

[0030] In some embodiments of the present invention, Figure 1 , 2 As shown, the top of the middle ring fire cover 200 and the top of the outer ring fire cover 300 are provided with a plurality of protrusions 230, and the plurality of protrusions 230 are arranged at intervals along the circumferential direction of the main body 100. The first fire outlet 210 is located on the protrusions 230, and there is a recess between every two protrusions 230, which is an air supplement channel to make the gas burn more fully.

[0031] In a further embodiment of the present invention, Figure 3 As shown, the first fire outlet 210 is vertically arranged, so that the burner constitutes a direct-fire burner.

[0032] In a further embodiment of the present invention, Figure 2 As shown, a third fire hole 240 is provided between every two protrusions 230, and the third fire hole 240 is connected with the inner wall of the middle ring fire cover 200, the outer wall of the middle ring fire cover 200 and the top of the middle ring fire cover 200. By providing the third fire hole 240, it is easier to ignite the gas of the second fire hole 220, thereby improving the ignition efficiency.

[0033] In some embodiments of the present invention, Figure 1 As shown, there is an angle between the central axis of the first fire hole 210 and the horizontal plane, and the angle is less than 90°, so that the flame ejected from the top of the middle ring fire cover 200 and the flame ejected from the top of the outer ring fire cover 300 form a rotating fire, and cooperate with the flame ejected from the second fire hole 220 to fully heat the bottom of the cookware.

[0034] In some embodiments of the present invention, Figure 1 , 2 As shown, the outer wall of the outer ring fire cover 300 is provided with a plurality of fourth fire holes 320 inclined outwardly, and the outlet ends of the fourth fire holes 320 face upward of the outer ring fire cover 300 so as to fully heat the bottom of the cookware.

[0035] In a further embodiment of the present invention, Figure 2 As shown, the outer wall ring of the outer ring fire cover 300 is provided with a plurality of outwardly inclined fifth fire holes 330, the outlet end of the fifth fire hole 330 is toward the top of the outer ring fire cover 300, a fifth fire hole 330 is provided between every two fourth fire holes 320, and the fifth fire hole 330 is located below the fourth fire hole 320, which can fully heat the bottom of the cookware. It can be imagined that the diameter of the fourth fire hole 320 is greater than the diameter of the fifth fire hole 330.

[0036] In some embodiments of the present invention, Figure 3 As shown, the top of the middle ring fire cover 200 away from the outer ring fire cover 300 has a second inclined surface 250 inclined downward, so that the inner ring fire cover can more easily ignite the gas of the middle ring fire cover 200.

[0037] In the description of this specification, the description with reference to the terms "some embodiments" or "it is conceivable that" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A direct-fire rotary-fire mixed burner, characterized in that: include: The main body has a middle ring fire cover and an outer ring fire cover installed on the top of the main body, the top of the middle ring fire cover and the top of the outer ring fire cover both have a first fire outlet hole, the outer side wall of the middle ring fire cover is ringed with a plurality of outwardly inclined second fire outlet holes, the outlet ends of the second fire outlet holes face the top of the outer ring fire cover.

2. The direct-fire rotary-fire mixed burner according to claim 1, characterized in that: The diameter of a portion of the second fire outlet holes is greater than the diameter of another portion of the second fire outlet holes, and a second fire outlet hole with a smaller diameter is provided between every two second fire outlet holes with larger diameters.

3. The direct-fire rotary-fire mixed burner according to claim 1 or 2, characterized in that: The top of the outer ring fire cover close to the middle ring fire cover has a first inclined surface inclined downward so that the flame of the second fire outlet hole can be sprayed above the outer ring fire cover.

4. The direct-fire rotary-fire mixed burner according to claim 1, characterized in that: A plurality of protrusions are provided on the top of the middle ring fire cover and the top of the outer ring fire cover. The plurality of protrusions are arranged at intervals along the circumferential direction of the main body, and the first fire outlet is located on the protrusions.

5. The direct-fire rotary-fire mixed burner according to claim 4, characterized in that: The first fire outlet hole is arranged vertically.

6. The direct-fire rotary-fire mixed burner according to claim 5, characterized in that: A third fire outlet hole is provided between every two of the protrusions, and the third fire outlet hole is communicated with the inner side wall of the middle ring fire cover, the outer side wall of the middle ring fire cover and the top of the middle ring fire cover.

7. The direct-fire rotary-fire mixed burner according to claim 1, characterized in that: An angle is formed between the central axis of the first ignition hole and the horizontal plane, and the angle is less than 90°.

8. The direct-fire rotary-fire mixed burner according to claim 1, characterized in that: The outer wall of the outer ring fire cover is provided with a plurality of fourth fire outlet holes inclined outwards, and the outlet ends of the fourth fire outlet holes face upwards of the outer ring fire cover.

9. The direct-fire rotary-fire mixed burner according to claim 8, characterized in that: The outer wall of the outer ring fire cover is ring-shaped with a plurality of fifth fire holes inclined outward, the outlet ends of the fifth fire holes are facing the top of the outer ring fire cover, the fifth fire hole is arranged between every two fourth fire holes, and the fifth fire hole is located below the fourth fire holes.

10. The direct-fire rotary-fire mixed burner according to claim 1, characterized in that: The top of the middle ring fire cover away from the outer ring fire cover has a second inclined surface inclined downward.

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