Steaming oven with improved hot air device

Abstract

A steam oven with an improved hot air device comprises an inner container, an air guide cover, a fan and an annular electric heating body, a heating cavity which is provided with a front opening and protrudes backwards is formed in a rear back plate of the inner container, and the heating cavity is square; the wind scooper is provided with a rear opening and an annular seat plate, and a front panel of the wind scooper is provided with an air outlet hole set located in the transverse center and the longitudinal center and a plurality of air return hole sets arranged around the air outlet hole set. The distance between the centers of the air return hole group and the air outlet hole group is greater than the radius of an impeller of the fan; the fan comprises an impeller and a motor; a shaft of the motor is pivoted with a back plate of the heating cavity, and the annular electric heating body surrounds the impeller; the annular seat plate is fixed to a rear back plate of the inner container, the wind scooper is opposite to the heating cavity, and the impeller is opposite to the air outlet hole set. And due to the arrangement of the wind scooper and the distribution mode of the air inlet hole groups and the air outlet hole groups, the temperature of the inner container is uniform, and the temperature rise is fast.

Description

Technical Field

[0001] The utility model relates to a steam oven. Background Art

[0002] The current existing technology, Chinese patent 201710938028.3, an air guide structure of an electric oven, includes a hot fan baffle, blades, a driving mechanism and a controller. The hot fan baffle is tightly attached to the inner wall of the oven inner shell. An air outlet is opened on the hot fan baffle. The blades are rotatably connected to the hot fan baffle and located on one side of the air outlet. The driving mechanism is electrically connected to the controller. The driving mechanism can drive the blades to rotate under the control of the controller to open and close the air outlet. The existing problems are: the structure is complex, and the driving mechanism can drive the blades to rotate under the control of the controller to open and close the air outlet to prevent the heat energy in the inner pot from entering; Utility Model Content

[0003] The utility model aims to provide a steam oven with an improved hot air device, which has the characteristics of simple structure and uniform temperature in an inner container.

[0004] The utility model is realized as follows: a steam oven with an improved hot air device, which is special in that it includes an inner container, an air guide cover, a fan and a ring-shaped electric heating element.

[0005] A heating cavity with a front opening and a rear convexity is provided on the back plate of the inner tank, and the heating cavity is square;

[0006] The air guide cover has a rear opening and an annular seat plate. The front panel of the air guide cover is provided with an air outlet group located in the horizontal and vertical centers and a plurality of return air hole groups arranged around the air outlet group. The distance between the return air hole group and the center of the air outlet group is greater than the radius of the impeller of the fan.

[0007] The fan includes an impeller and a motor;

[0008] The shaft of the motor is pivotally connected to the back plate of the heating chamber, and the annular electric heating element surrounds the impeller; the annular seat plate is fixed to the back plate of the inner tank, the air guide cover is opposite to the heating chamber, and the impeller is opposite to the air outlet group.

[0009] The steam oven with improved hot air device is special in that: a cover cavity with a rear opening is provided on the front panel of the air guide cover, the air outlet group is arranged on the cover cavity; and the impeller and the annular electric heating element extend into the cover cavity.

[0010] The steam oven with improved hot air device is special in that it also includes a heat insulation layer, and a motor hole is provided on the heat insulation layer;

[0011] The heat insulation layer is fitted to the back plate of the heating chamber.

[0012] The steam oven with improved hot air device is special in that the air guide cover is in the shape of a quadrangular pyramid.

[0013] The utility model discloses a steam oven with an improved hot air device, the arrangement of an air guide cover, and the distribution mode of an air inlet hole group and an air outlet hole group, so as to realize uniform temperature of an inner pot. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the utility model.

[0015] Figure 2 yes Figure 1 A-A view of.

[0016] Figure 3 It is one of the three-dimensional exploded views of the utility model.

[0017] Figure 4 This is the second three-dimensional exploded view of the present utility model. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figure 1 As shown, a steam oven with an improved hot air device comprises an inner container 1, an air guide cover 2, a fan 3 and a ring-shaped electric heating element 4.

[0021] A heating chamber 11 with a front opening and a rear convexity is provided on the back plate of the inner tank 1, and the heating chamber 11 is square in shape;

[0022] The air guide cover 2 has a rear opening and an annular seat plate 21. The front panel of the air guide cover 2 is provided with an air outlet group 22 located in the horizontal and vertical centers and a plurality of return air hole groups 23 arranged around the air outlet group 22; the distance between the return air hole group 23 and the center of the air outlet group 22 is greater than the radius of the impeller of the fan 3;

[0023] There may be four return air hole groups 23 and they are arranged at the corners of the front panel of the air guide cover 2;

[0024] The air outlet holes of the air outlet hole group 22 are evenly distributed around the intersection of the transverse center line and the longitudinal center line;

[0025] The fan 3 includes an impeller 31 and a motor 32, and the impeller is an axial flow impeller;

[0026] The shaft of the motor 32 is pivotally connected to the back plate of the heating chamber 11, and the annular electric heating element 4 surrounds the impeller 32; the annular seat plate 21 is fixed to the back plate of the inner tank 1, the air guide cover 2 is opposite to the heating chamber 11, and the impeller 32 is opposite to the air outlet group 22.

[0027] As a further improvement of the utility model: the front panel of the air guide cover 2 is provided with a cover cavity 24 with a rear opening, the air outlet group 22 is provided on the cover cavity 24; the impeller 31 and the annular electric heating element 4 extend into the cover cavity 24. With such a structure, the air outlet is concentrated and has a high speed.

[0028] As a further improvement of the utility model: it also includes a heat insulation layer 5, and a motor hole is provided on the heat insulation layer 5;

[0029] The heat insulation layer 5 is attached to the back plate of the heating chamber 11, or the heat insulation layer 5 covers the heating element 11. With such a structure, the heat energy loss of the heating chamber is reduced and heat dissipation is prevented.

[0030] The air guide cover 2 is in the shape of a quadrangular pyramid.

[0031] 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 steam oven with an improved hot air device, characterized in that: Including inner tank, air guide cover, fan and ring electric heating element, A heating cavity with a front opening and a rear convexity is provided on the back plate of the inner tank, and the heating cavity is square; The air guide cover has a rear opening and an annular seat plate. The front panel of the air guide cover is provided with an air outlet group located in the horizontal and vertical centers and a plurality of return air hole groups arranged around the air outlet group. The distance between the return air hole group and the center of the air outlet group is greater than the radius of the impeller of the fan. The fan includes an impeller and a motor; The shaft of the motor is pivotally connected to the back plate of the heating chamber, and the annular electric heating element surrounds the impeller; the annular seat plate is fixed to the back plate of the inner tank, the air guide cover is opposite to the heating chamber, and the impeller is opposite to the air outlet group.

2. A steam oven with an improved hot air device according to claim 1, characterized in that: A cover cavity with a rear opening is arranged on the front panel of the air guide cover, and the air outlet hole group is arranged on the cover cavity; the impeller and the annular electric heating element extend into the cover cavity.

3. The steam oven with improved hot air device according to claim 1, characterized in that: It also includes a heat insulation layer, on which a motor hole is provided; The heat insulation layer is attached to the back plate of the heating cavity, or the heat insulation layer covers the heating cavity.

4. The steam oven with improved hot air device according to claim 1, characterized in that: The air guide cover is in the shape of a quadrangular pyramid.

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