CN219414763U - Burner, oven and combination stove - Google Patents

Abstract

The application discloses a combustor, oven and combination stove. The burner comprises an air inlet end and an air door, wherein the air inlet end is provided with a first matching part and a second matching part, the air door is provided with a third matching part and a fourth matching part, the third matching part and the first matching part are mutually positioned, and the fourth matching part and the second matching part are mutually connected. According to the technical scheme, the first matching part is arranged at the air inlet end of the combustor, the third matching part is arranged on the air door, the air door and the air inlet end can be rapidly positioned through matching of the first matching part and the third matching part, the assembly efficiency is improved, in addition, the second matching part is arranged at the air inlet end of the combustor, the fourth matching part is arranged on the air door, the air door and the air inlet end can be connected and fastened through matching of the second matching part and the fourth matching part, the installation stability of the air door is improved, coaxiality between the air door and the air inlet end is ensured, and the air door is prevented from deviating relative to the air inlet end.

Description

Burner, oven and combination stove

Technical Field

The application relates to the technical field of ovens, in particular to a combustor, an oven and a combined stove.

Background

The electric appliances such as gas cooker, oven include the combustor, in order to realize the stable burning of combustion gas in the combustion process, need to control the primary air quantity of combustion process, realize through the position installation air door at the air inlet of combustor, the air door regulates and control the size of area of admitting air and control the primary air quantity. The need to ensure an effective connection between the damper and the air inlet of the burner to ensure the coaxiality of the damper and the air inlet, and in the related art, the operator needs to repeatedly align the damper with the air inlet of the burner, which is time-consuming to install.

Disclosure of Invention

The present application aims to solve, at least to some extent, the technical problems in the related art. Therefore, the application provides a combustor, which improves the installation efficiency of a damper.

To achieve the above object, the present application discloses a burner comprising:

the air inlet end is provided with a first matching part and a second matching part; and

the air door is provided with a third matching part and a fourth matching part, the third matching part and the first matching part are mutually positioned, and the fourth matching part and the second matching part are mutually connected.

In some embodiments of the present application, the first mating portion includes two, the second mating portion includes two, along the circumference of the air inlet end, the first mating portion and the second mating portion are alternately arranged.

In some embodiments of the present application, two first mating portions are disposed along a first direction, and two second mating portions are disposed along a second direction, where the second direction and the first direction are perpendicular to each other and pass through a center of the air inlet end respectively.

In some embodiments of the present application, one of the first mating portion and the third mating portion is a spacing protrusion, and the other is a spacing groove that is open toward the spacing protrusion.

In some embodiments of the present application, opposite sides of the open end of the limiting groove are provided with chamfers.

In some embodiments of the present application, the limit protrusion is in clearance fit with the limit groove.

In some embodiments of the present application, the burner includes a combustion tube, one end of the combustion tube constitutes the air inlet end, the combustion tube includes a first cover and a second cover, two opposite sides of the first cover and the second cover are provided with flanges, and the flanges of the first cover and the flanges of the second cover are connected to form the limit protrusion.

In some embodiments of the present application, one of the second mating portion and the fourth mating portion is a card protrusion, and the other is a card hole that is snapped with the card protrusion.

In some embodiments of the present application, the clip protrusion forms a circular arc protruding structure.

In some embodiments of the present application, the snap-fit protrusion is in clearance fit with the snap-fit hole.

In some embodiments of the present application, a mounting table is disposed in a circumferential direction of the air inlet end, and extends along an axial direction of the air inlet end, and the first mating portion and the second mating portion are disposed on the mounting table;

the air door comprises an end plate and a coaming surrounding the end plate, wherein the coaming is provided with the third matching part and the fourth matching part.

In some embodiments of the present application, the coaming includes first coaming portion and second coaming portion that alternate set up, third cooperation portion is located first coaming portion, fourth cooperation portion is located second coaming portion, second coaming portion with second cooperation portion interference fit.

In some embodiments of the present application, the second shroud portion has an extension length that is greater than an extension length of the first shroud portion along an axial direction of the air intake end.

The application also discloses an oven, which comprises the burner of the embodiment.

The application also discloses a combination oven, which comprises the oven of the embodiment.

According to the technical scheme, the first matching part is arranged at the air inlet end of the combustor, the third matching part is arranged on the air door, the air door and the air inlet end can be rapidly positioned through matching of the first matching part and the third matching part, the assembly efficiency is improved, in addition, the second matching part is arranged at the air inlet end of the combustor, the fourth matching part is arranged on the air door, the air door and the air inlet end can be connected and fastened through matching of the second matching part and the fourth matching part, the installation stability of the air door is improved, coaxiality between the air door and the air inlet end is ensured, and the air door is prevented from deviating relative to the air inlet end.

Additional advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other designs can be obtained according to the structures shown in these drawings without the need of creative efforts for a person skilled in the art.

FIG. 1 is a schematic view of a portion of an oven in some embodiments;

FIG. 2 is a schematic view of a combustor in some embodiments;

FIG. 3 is a partial schematic view of the structure shown in FIG. 2;

FIG. 4 is an exploded view of a combustor in some embodiments;

FIG. 5 is a partial schematic view of the structure shown in FIG. 4;

FIG. 6 is a schematic view of a burner tube in some embodiments;

FIG. 7 is a cross-sectional view of a burner tube in some embodiments;

FIG. 8 is a schematic view of a door in some embodiments;

fig. 9 is a schematic view of a door in some embodiments.

Reference numerals illustrate:

a burner 100;

a combustion tube 1000;

the first cover 1100, the flange 1110 and the fire hole 1120;

the second cover 1200, the flange 1210;

a cavity 1300;

an air inlet 1400, a first mating portion/stop tab 1410, a second mating portion/stop tab 1420, an air inlet 1430, a mounting table 1440;

damper 2000, end plate 2100, through hole 2110, shroud 2200, first shroud portion 2210, third mating portion/limiting groove 2211, chamfer 2212, second shroud portion 2220, fourth mating portion/clamping hole 2221.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed.

In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "secured," and the like are to be construed broadly, and for example, "secured" may be either permanently attached or removably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In addition, descriptions such as those related to "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated in this application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.

The burner is an important part of electric appliances such as a gas cooker, an oven and the like, gas is introduced into the burner, the gas and air are fully mixed in the burner and then are ignited when discharged from the burner, so that direct-fire heating is realized. In order to control the ratio of the fuel gas to the air, the fuel gas is combusted more fully, an air door is arranged at an air inlet of the combustor, and the air door can regulate and control the air inlet area so as to control the primary air quantity. For example, the burner is provided with a valve body in a matching way, the valve body is provided with a nozzle, the nozzle of the valve body is aligned with the air inlet end of the burner and penetrates through the air door, the air door is provided with a through hole surrounding the center of the air door, when fuel gas sprayed out of the nozzle enters the air inlet end, external air can be driven to enter the air inlet end through the through hole, and the control of primary air quantity can be realized by setting the area of the through hole. In order to realize the installation between the air door and the air inlet end of combustor, ensure the axiality between air door and the air inlet end, improve the installation effectiveness of air door, this application proposes a combustor.

The burner 100 will be described in detail below in connection with an oven, and it will be appreciated that the burner 100 disclosed herein is not limited to use in an oven, but may be used in other devices having a burner 100, such as in a kitchen range.

As shown in conjunction with fig. 1 to 5, in some embodiments of the present application, the burner 100 includes an air inlet end 1400 and an air door 2000, the air door 2000 is mounted to the air inlet end 1400, the air inlet end 1400 of the burner 100 is provided with a first mating portion 1410, the air door 2000 is provided with a third mating portion 2211 mated with the first mating portion 1410, the air inlet end 1400 of the burner 100 is further provided with a second mating portion 1420, and the air door 2000 is provided with a fourth mating portion 2221 mated with the second mating portion 1420.

In this embodiment, the rapid positioning of the air door 2000 and the air inlet end 1400 can be achieved through the cooperation of the first mating portion 1410 and the third mating portion 2211, so that the assembly efficiency is improved, the fastening connection between the air door 2000 and the air inlet end 1400 can be achieved through the cooperation of the second mating portion 1420 and the fourth mating portion 2221, the coaxiality between the air door 2000 and the air inlet end 1400 is ensured, and the air door 2000 is prevented from deviating relative to the air inlet end 1400.

Specifically, the burner 100 includes a cavity 1300 and a fire hole 1120 communicated with the cavity 1300, and the mixed gas of the fuel gas and the air is input into the cavity 1300 of the burner 100 to achieve further mixing, and then is output from the fire hole 1120 to be ignited. The burner 100 may be placed outside the oven cavity 3000 to achieve heating of the oven cavity 3000. For example, the burner 100 includes a burner tube 1000, where the burner tube 1000 has a certain space size, so as to form the cavity 1300, and the burner tube 1000 may have a certain long shape or a flat shape, and the size of the burner tube 1000 may be adapted to the size of the oven cavity 3000, so as to ensure effective heating of the oven cavity 3000. The combustion tube 1000 encloses a chamber 1300 and a fire hole 1120 communicating with the chamber 1300, and one end of the combustion tube 1000 forms an air inlet end 1400, the air inlet end 1400 being provided with an air inlet 1430 which is open, and when the damper 2000 is mounted to the air inlet end 1400, it can cover a large part of the air inlet 1430. The air inlet 1400 is designed to be formed as an injection pipe, so that when the fuel gas from the nozzle is injected into the air inlet 1400, the outside air is more easily driven to enter the air inlet 1400 through the through hole 2110 of the damper 2000.

To facilitate the installation between the damper 2000 and the air inlet end 1400, the damper 2000 is provided with a third mating portion 2211, and the air inlet end 1400 is provided with a first mating portion 1410, and the first mating portion 1410 and the third mating portion 2211 can be mated with each other.

In this embodiment, the first mating portion 1410 and the third mating portion 2211 are designed to be able to be mutually positioned, and when the operator installs the air door 2000, only the first mating portion 1410 and the third mating portion 2211 need to be mutually mated, so that the approximate position between the air door 2000 and the air inlet end 1400 can be primarily restrained, and thus, the quick positioning between the air door 2000 and the air inlet end 1400 is realized.

On this basis, further fixation needs to be realized between the air door 2000 and the air inlet end 1400, so that the stability of the air door 2000 is improved, the air door 2000 is prevented from loosening relative to the air inlet end 1400, and the coaxiality of the air door 2000 and the air inlet end 1400 is ensured. For this reason, the damper 2000 is provided with the fourth mating portion 2221, and the air inlet end 1400 is provided with the second mating portion 1420, so that the relative position is not changed when the second mating portion 1420 and the fourth mating portion 2221 are fastened on the premise of realizing the mutual positioning between the first mating portion 1410 and the third mating portion 2211, thereby facilitating the connection operation of the operator.

Therefore, the first mating portion 1410, the second mating portion 1420, the third mating portion 2211 and the fourth mating portion 2221 are mated with each other, so that the mounting time of the air door 2000 is reduced, the mounting efficiency is improved, and the cost of manpower and material resources is reduced.

In order to further enhance the positioning effect of the damper 2000 and ensure the installation stability of the damper 2000, as shown in fig. 3, 5, 8 and 9, in some embodiments of the present application, the number of the second engaging portions 1420 is at least two, and the number of the first engaging portions 1410 is at least two. It is to be understood that, when the number of the first engaging portions 1410 is at least two, since the third engaging portions 2211 need to be engaged with the first engaging portions 1410, the number of the third engaging portions 2211 is also at least two, and similarly, the number of the fourth engaging portions 2221 is also at least two.

For example, the number of the second engaging portions 1420 is two, the number of the first engaging portions 1410 is two, and correspondingly, the number of the fourth engaging portions 2221 and the third engaging portions 2211 is also two.

The second engaging portions 1420 and the first engaging portions 1410 are alternately arranged along the circumferential direction of the air intake end 1400, that is, the second engaging portions 1420 are respectively first engaging portions 1410 along the two lateral directions of the circumferential direction of the air intake end 1400, and the first engaging portions 1410 are respectively second engaging portions 1420 along the two lateral directions of the circumferential direction of the air intake end 1400, and correspondingly, the third engaging portions 2211 and the fourth engaging portions 2221 are also alternately arranged along the circumferential direction of the air door 2000. Positioning and connection between the damper 2000 can be better achieved through at least two first matching parts 1410 and at least two second matching parts 1420, in the installation process of the damper 2000, the first matching parts 1410 and the third matching parts 2211 are better positioned mutually, deviation is not easy to occur under the action of external force, better fixing effect can be achieved through the interconnection of the second matching parts 1420 and the fourth matching parts 2221, and stability of the damper 2000 is further improved.

Alternatively, as shown in connection with fig. 3, in some embodiments of the present application, two second mating portions 1420 are disposed on the air intake end 1400 along the second direction, and two first mating portions 1410 are disposed on the air intake end 1400 along the first direction, and the first direction and the second direction are perpendicular to each other, it is understood that the perpendicular herein represents not only absolute perpendicular to each other of the first direction and the second direction, but also substantially perpendicular to each other of the first direction and the second direction, and thus, the two first mating portions 1410 and the two second mating portions 1420 divide the air intake end 1400 into four regions in the circumferential direction, and each region is about the size of the air intake end 1400 along the circumferential direction. For example, in combination with the orientation shown in fig. 3, two first engaging portions 1410 are located on the upper and lower sides of the air inlet end 1400, and two second engaging portions 1420 are located on the left and right sides of the air inlet end 1400, so that when engaging with the fourth engaging portion 2221 and the third engaging portion 2211 on the air door 2000, the force between the air inlet end 1400 and the air door 2000 is more uniform in the circumferential direction, thereby improving the positioning and fixing effect of the air door 2000.

As shown in connection with fig. 3, 5 and 8, in some embodiments of the present application, one of the third mating portion 2211 and the first mating portion 1410 is a limiting groove 2211, the other of the third mating portion 2211 and the first mating portion 1410 is a limiting protrusion 1410, and the limiting groove 2211 is designed to be opened toward the limiting protrusion 1410, and mutual positioning is achieved through the limiting groove 2211 and the limiting protrusion 1410, so that the structure is simple, and no obstruction is caused to the moving process of the damper 2000.

For example, the first mating portion 1410 is used as the limiting protrusion 1410, and the third mating portion 2211 is used as the limiting groove 2211, and since the limiting groove 2211 is opened towards the limiting protrusion 1410, when the damper 2000 is moved towards the air inlet end 1400, the limiting protrusion 1410 may be embedded into the limiting groove 2211 from the opening end of the limiting groove 2211, so that the limiting groove 2211 and the limiting protrusion 1410 are mutually limited, and positioning between the damper 2000 and the air inlet end 1400 is achieved.

As shown in connection with fig. 8 and 9, in some embodiments of the present application, the open end of the limiting groove 2211 is provided with a chamfer 2212, so that the limiting protrusion 1410 is more conveniently embedded into the limiting groove 2211 from the open end, and the positioning speed between the damper 2000 and the air inlet end 1400 is further improved.

Specifically, the first mating portion 1410 is taken as the limiting protrusion 1410, the third mating portion 2211 is taken as the limiting groove 2211 for illustration, the chamfer 2212 is disposed on two open opposite sides of the limiting groove 2211, the distance between the two chamfer 2212 is gradually increased from the direction of the limiting groove 2211 and away from the limiting groove 2211, and when the air door 2000 moves towards the air inlet end 1400, the two chamfer 2212 can form a guiding effect on the limiting protrusion 1410, so that the limiting protrusion 1410 is more conveniently inserted into the limiting groove 2211, and the positioning speed of the air door 2000 and the air inlet end 1400 is improved.

Optionally, to facilitate the mutual embedding between the limit groove 2211 and the limit protrusion 1410, to ensure smoothness during the movement of the damper 2000, in some embodiments of the present application, a clearance fit is formed between the limit groove 2211 and the limit protrusion 1410, that is, a certain gap is formed between the groove wall of the limit groove 2211 and the limit protrusion 1410, and it is understood that the gap should be small enough to avoid an excessive play between the limit groove 2211 and the limit protrusion 1410.

When the first fitting portion 1410 is the limiting protrusion 1410, the limiting protrusion 1410 may be machined on the air inlet end 1400, or may be formed by connecting an independent component to the air inlet end 1400, as shown in fig. 4 and 6, in order to reduce the difficulty of setting the limiting protrusion 1410, in some embodiments of the present application, the burner 100 includes the combustion tube 1000, as described above, and the combustion tube 1000 includes the second cover 1200 and the first cover 1100, where the second cover 1200 and the first cover 1100 are connected relatively to form the cavity 1300, for example, the combustion tube 1000 forms a strip structure, at least one of the second cover 1200 and the first cover 1100 is provided with the fire hole 1120, after the second cover 1200 and the first cover 1100 are connected, one end of the second cover 1200 and one end of the first cover 1100 form the air inlet end 1400 of the combustion tube 1000, and the air inlet end 1400 is formed with the air inlet 1430.

Specifically, as shown in fig. 7, the flanges 1110 are respectively disposed on opposite sides of the first cover 1100, and the flanges 1210 are also respectively disposed on opposite sides of the second cover 1200, when the first cover 1100 and the second cover 1200 are relatively covered, the flanges 1110 on both sides of the first cover 1100 are correspondingly connected with the flanges 1210 on both sides of the second cover 1200, for example, by welding, bonding, riveting, etc., and when the flanges 1110 of the first cover 1100 and the flanges 1210 of the second cover 1200 are connected, the limiting protrusion 1410 is formed. That is, the limit protrusion 1410 is formed based on the preparation of the combustion tube 1000, the connection structure between the second cover 1200 and the first cover 1100 is fully utilized, and no separate connection of the limit protrusion 1410 is required, thereby reducing the structural complexity.

As shown in connection with fig. 3, 5, 8, and 9, in some embodiments of the present application, in order to facilitate connection between the fourth mating portion 2221 and the second mating portion 1420, one of the fourth mating portion 2221 and the second mating portion 1420 is designed as a card boss 1420, and the other of the fourth mating portion 2221 and the second mating portion 1420 is designed as a card hole 2221.

For example, the second mating portion 1420 is a card boss 1420, and the fourth mating portion 2221 is a card hole 2221, when the damper 2000 is installed, the damper 2000 moves until the card boss 1420 is embedded in the card hole 2221, and it is understood that the card hole 2221 is in an annular closed structure, so that the card boss 1420 and the card hole 2221 are mutually limited, the card boss 1420 is prevented from being separated from the card hole 2221, and the fixation between the damper 2000 and the air inlet end 1400 is achieved.

Alternatively, as shown in fig. 5, in order to facilitate the smooth alignment of the card boss 1420 and the card hole 2221 to achieve mutual embedding during the movement of the damper 2000, the card boss 1420 is designed to have a circular arc-shaped boss structure, such that the card boss 1420 is formed with a circular arc-shaped surface, and the circular arc-shaped surface forms a guide structure, so that the card boss 1420 slides into the card hole 2221 without obstructing the movement of the damper 2000.

Alternatively, when the damper 2000 is moved until the card boss 1420 and the card hole 2221 are corresponding, in order to make the card boss 1420 be more smoothly inserted into the card hole 2221, a clearance fit is formed between the card hole 2221 and the card boss 1420, that is, a certain gap is formed between the hole wall of the card hole 2221 and the card boss 1420, it will be understood that the gap should be small enough to avoid an excessive play between the card hole 2221 and the card boss 1420.

In some embodiments of the present application, as shown in fig. 5, in order to further facilitate the installation and matching between the air inlet end 1400 and the air door 2000, the air inlet end 1400 is designed with a mounting table 1440, and the mounting table 1440 is disposed on the circumference of the air inlet end 1400 so as to surround the air inlet 1430 of the air inlet end 1400, and extends a certain length along the axial direction of the air inlet end 1400, and the second mating portion 1420 and the first mating portion 1410 are both disposed on the mounting table 1440.

The damper 2000 includes an end plate 2100 and a shroud 2200, the shroud 2200 surrounding the periphery of the end plate 2100 such that the damper 2000 forms a hood structure, and the fourth mating portion 2221 and the third mating portion 2211 are provided to the shroud 2200. After the air door 2000 is connected with the air inlet end 1400, the air door 2000 is covered with the air inlet end 1400, that is, the air inlet 1430 is covered, so that the air flow can be better regulated, and in the circumferential direction of the air inlet end 1400, the surface contact between the mounting table 1440 and the coaming 2200 is effectively realized, so that the stability of the air door 2000 is greatly improved. It will be appreciated that the end plate 2100 is provided with a through hole 2110 around the center of the end plate 2100, and that the air intake area formed by the through hole 2110 is constant when the damper 2000 is fixed to the air intake end 1400.

As shown in connection with fig. 8 and 9, in some embodiments of the present application, the shroud 2200 includes a second shroud portion 2220 and a first shroud portion 2210, the second shroud portion 2220 and the first shroud portion 2210 are disposed at intervals along the circumferential direction of the damper 2000 (end plate 2100), and the second shroud portion 2220 is designed to be interference-fitted with the second fitting portion 1420, the second shroud portion 2220 is provided with the aforementioned fourth fitting portion 2221, and the first shroud portion 2210 is provided with the third fitting portion 2211.

Because of the interference fit between the second shroud portion 2220 and the second mating portion 1420, the damper 2000 moves until the second mating portion 1420 and the fourth mating portion 2221 are connected, and the second shroud portion 2220 needs to be elastically deformed to engage the second mating portion 1420 and the fourth mating portion 2221. For example, when the second fitting portion 1420 is a card boss 1420 and the fourth fitting portion 2221 is a card hole 2221, the second shroud portion 2220 is tightly abutted against the card boss 1420 when the damper 2000 is moved, the second shroud portion 2220 is deformed until the card boss 1420 and the card hole 2221 are aligned, and the second shroud portion 2220 is reset, so that the card boss 1420 and the card hole 2221 are fitted into each other, thus ensuring the connection effect between the card boss 1420 and the card hole 2221. Also, since the second shroud portion 2220 is elastically deformable, after the clip projection 1420 and the clip hole 2221 are mutually embedded, the second shroud portion 2220 can clamp the mounting table 1440, so that the coaxiality of the damper 2000 and the air inlet end 1400 is ensured, and since the second shroud portion 2220 and the first shroud portion 2210 are alternately arranged, the individual second shroud portion 2220 can be elastically deformed more easily without being blocked by the first shroud portion 2210.

Alternatively, as shown in connection with fig. 9, the extension length of the second shroud portion 2220 along the axial direction of the air intake end 1400 is greater than the extension length of the first shroud portion 2210 along the axial direction of the air intake end 1400, and thus the second shroud portion 2220 is more easily elastically deformed when encountering the second fitting portion 1420 due to the longer extension length thereof.

The present application also discloses an oven comprising the burner 100 of the above embodiment. It can be appreciated that the burner 100 of the oven in this embodiment adopts the technical solution of the foregoing embodiment, so at least has the beneficial effects brought by the technical solution of the foregoing embodiment, and the detailed description is not repeated here.

The application also discloses a combination stove comprising the oven of the above embodiments, a so-called combination stove being a combination kitchen appliance, integrating at least two traditional appliances together, for example an oven and a stove together forming an oven stove. It can be appreciated that the oven of the combination oven in this embodiment adopts the technical solution of the foregoing embodiment, so at least has the beneficial effects brought by the technical solution of the foregoing embodiment, and the detailed description is not repeated here.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the claims, and all equivalent structural changes made in the present application and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present application.

Claims (14)

1. A burner, comprising:

the air inlet end is provided with a first matching part and a second matching part; and

the air door is provided with a third matching part and a fourth matching part, the third matching part and the first matching part are mutually positioned, and the fourth matching part and the second matching part are mutually connected.

2. The burner of claim 1, wherein the first mating portions include two and the second mating portions include two, the first mating portions and the second mating portions being alternately disposed at intervals along the circumferential direction of the intake end.

3. The burner of claim 2, wherein two of the first mating portions are disposed in a first direction and two of the second mating portions are disposed in a second direction, the second direction and the first direction being perpendicular to each other and passing through a center of the air intake end, respectively.

4. The burner of claim 1, wherein one of the first mating portion and the third mating portion is a spacing projection and the other is a spacing groove open toward the spacing projection.

5. The burner of claim 4, wherein opposite sides of the open end of the limiting slot are provided with chamfers.

6. The burner of claim 4, wherein the limit projection is in clearance fit with the limit slot.

7. The burner of claim 4, wherein the burner comprises a burner tube, one end of the burner tube forms the air inlet end, the burner tube comprises a first cover body and a second cover body, flanges are arranged on two opposite sides of the first cover body and the second cover body, and the flanges of the first cover body and the flanges of the second cover body are connected to form the limit protrusion.

8. The burner of claim 1, wherein one of the second mating portion and the fourth mating portion is a snap tab and the other is a snap aperture that snaps into engagement with the snap tab.

9. The burner of claim 8, wherein the bayonet projections form a circular arc projection arrangement;

and/or, the clamping convex part is in clearance fit with the clamping hole.

10. The burner of any one of claims 1 to 9, wherein a mounting table is provided in a circumferential direction of the air intake end, and the mounting table extends in an axial direction of the air intake end, the first mating portion and the second mating portion being provided to the mounting table;

the air door comprises an end plate and a coaming surrounding the end plate, wherein the coaming is provided with the third matching part and the fourth matching part.

11. The burner of claim 10, wherein the shroud includes first and second shroud portions disposed in spaced relation, the third mating portion being disposed on the first shroud portion, the fourth mating portion being disposed on the second shroud portion, the second shroud portion being in interference fit with the second mating portion.

12. The burner of claim 11, wherein the second shroud portion extends a greater length than the first shroud portion in an axial direction of the intake end.

13. An oven comprising a burner as claimed in any one of claims 1 to 12.

14. A combination oven comprising the oven of claim 13.