Fan assembly of cooking equipment and cooking equipment

Abstract

The utility model discloses a fan assembly of cooking equipment and the cooking equipment, the fan assembly of the cooking equipment comprises a fan blade structure installed in a cooking cavity of the cooking equipment, a volute structure installed in the cooking cavity and sleeved on the outer side of the fan blade structure, the inner wall of the volute structure is in clearance fit with the fan blade structure, a plurality of air inlet holes are formed in one side of the volute structure, an air outlet channel is formed in the other side of the volute structure, and the air inlet holes and the air outlet channel are both communicated with the cooking cavity. The utility model provides a fan assembly of cooking equipment, which can improve the flowing effect of airflow in a cooking cavity and improve the heating uniformity of food placed in the cooking cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen electrical technology field especially, relate to a fan subassembly of cooking equipment and cooking equipment. BACKGROUND

[0002] In recent years, with the improvement of consumer's requirement on cooking quality, the steam oven gradually becomes the core equipment of modern kitchen because of the combination of steam and baking function. However, the traditional steam oven has the problem of uneven distribution of heat field and steam in actual application, which leads to significant difference in heating effect of food, such as overcooking of surface, uncooked inside or uneven distribution of steam condensate.

[0003] Therefore, a fan subassembly of cooking equipment is needed to solve the above problems. SUMMARY

[0004] The utility model aims at at least in a certain extent solves one of the problems existing in prior art related, for this, the utility model provides a fan subassembly of cooking equipment, can improve the flow effect of airflow in the cooking cavity, improve the uniformity of heating of the food placed in the cooking cavity.

[0005] The above-mentioned purpose is realized by the following technical scheme:

[0006] A fan subassembly of cooking equipment, comprising:

[0007] A fan blade structure is installed in the cooking cavity of the cooking equipment.

[0008] A volute structure is installed in the cooking cavity and is sleeved on the outside of the fan blade structure. The inner wall of the volute structure is arranged in a gap fit with the fan blade structure. One side of the volute structure is provided with a plurality of air inlet holes. The other side of the volute structure is provided with an air outlet channel. The air inlet holes and the air outlet channel are both communicated with the cooking cavity.

[0009] Optionally, the volute structure and the fan blade structure are both installed on the inner wall of the rear side plate of the cooking cavity. The air outlet channel is arranged on the circumferential side of the volute structure. The air inlet holes are arranged on the front side of the volute structure.

[0010] Optionally, the scroll structure comprises a shroud and a scroll, the shroud comprises a shroud body arranged in the cooking cavity and connected with the rear side plate, a wind cavity is formed between the shroud body and the rear side plate, the scroll and the fan blade structure are arranged in the wind cavity, the shroud body is provided with the air inlet hole and the air outlet hole, the scroll comprises a scroll body, the front side of the scroll body abuts against the shroud body, the front side of the scroll body is provided with an air inlet through hole corresponding to the air inlet hole, and the circumferential side of the scroll body is provided with an air outlet through hole corresponding to the air outlet hole.

[0011] Optionally, the rear side of the scroll body is provided with a mounting hole, and the mounting hole is sleeved on a mounting boss arranged on the inner side wall of the rear side plate.

[0012] Optionally, the fan blade structure comprises a connecting portion and a fan ring portion arranged on the circumferential side of the connecting portion, the fan ring portion comprises a plurality of fan blade bodies arranged circumferentially along the connecting portion, a first side of the fan blade body is provided with a flange having an included angle β with the fan blade body, a second side of the fan blade body is provided with an extended fan blade portion coplanar with or horizontally arranged with the fan blade body, the flange is arranged on the side away from the rotation direction of the fan blade body, and the extended fan blade portion is arranged on the side towards the rotation direction of the fan blade body and located at the end of the fan blade body away from the connecting portion.

[0013] Optionally, the area of the fan ring portion is S1, the area of the annular ring where the fan ring portion is located is S2, and 0.4S2≤S1≤0.6S2.

[0014] Optionally, S1=7800mm 2 , and the outer diameter of the annular ring where the fan ring portion is located is 130mm.

[0015] Optionally, the fan blade body is arranged to be inclined from inside to outside towards the rotation direction of the fan blade body.

[0016] Optionally, the fan blade structure further comprises a driving motor, and the driving motor is mounted on the outside of the cooking cavity and in transmission connection with the fan blade structure.

[0017] The utility model discloses another aspect provides a kind of cooking equipment, including cooking liner, the cooking cavity is formed in the cooking liner, and further include the fan module of above-mentioned cooking equipment.

[0018] Compared with the prior art, the utility model at least includes the following beneficial effects:

[0019] The fan assembly of the cooking equipment provided by the utility model, by increasing the volute structure outside the fan blade structure, the airflow generated when the fan blade structure rotates can be collected by the volute structure and then blown out through the air outlet channel, so that the flow direction of the airflow is controllable, and the airflow can flow in the preset direction, and because the airflow flows out of the same air outlet channel, compared with the airflow flowing out of multiple air outlet holes in the prior art, the airflow has greater pressure, and after the airflow flows out of the air outlet channel, the airflow in the cooking cavity can flow under greater pressure, so that the flow effect of the airflow in the cooking cavity is improved, and the uniformity of heating of the food placed in the cooking cavity is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the three-dimensional structure schematic diagram of the fan assembly of the cooking equipment provided by the utility model embodiment installed in the cooking cavity;

[0021] Figure 2 is the three-dimensional structure schematic diagram of the fan assembly of the cooking equipment provided by the utility model embodiment installed on the rear side plate of the cooking cavity;

[0022] Figure 3 is Figure 2 the exploded view of

[0023] Figure 4 is Figure 2 the front view of

[0024] Figure 5 is Figure 4 the sectional view of A-A in

[0025] Figure 6 is Figure 1 the structure schematic diagram after the air cover is removed;

[0026] Figure 7 is the front view of the fan blade structure of the fan assembly of the cooking equipment provided by the utility model embodiment.

[0027] In the drawings:

[0028] 1, cooking liner; 10, cooking cavity; 11, rear side plate; 111, mounting boss; 1101, shaft hole; 1102, second groove;

[0029] 2, fan blade structure; 21, connecting part; 22, fan ring part; 221, fan blade body; 222, flange; 223, extended fan blade part;

[0030] 3, volute; 31, volute body; 311, mounting opening; 312, air inlet through hole; 313, air outlet through hole;

[0031] 4, the wind cover; 40, the air inlet; 41, the wind cover body; 42, the first groove; 43, the air outlet;

[0032] 100, the air cavity. DETAILED DESCRIPTION

[0033] The following embodiments illustrate the present application, but the present application is not limited by these embodiments. Modifications to the specific embodiments of the present application or equivalent replacements to some technical features without departing from the spirit of the present application should be included in the technical solution range claimed by the present application.

[0034] Please refer to Figures 1-7 The present application provides a fan assembly of a cooking equipment, which comprises a fan blade structure 2 and a volute structure. The fan blade structure 2 is installed in a cooking cavity 10 of the cooking equipment. The volute structure is installed in the cooking cavity 10 and is sleeved on the outer side of the fan blade structure 2. The inner wall of the volute structure is arranged in a gap fit with the fan blade structure 2. A plurality of air inlets 40 are arranged on one side of the volute structure, and an air outlet channel is arranged on the other side of the volute structure. The air inlets 40 and the air outlet channel are both communicated with the cooking cavity 10.

[0035] The fan assembly of the cooking equipment provided by the present application can collect the airflow generated when the fan blade structure 2 rotates through the volute structure and then blow out the airflow through the air outlet channel, so that the flow direction of the airflow is controllable and the airflow can flow in a preset direction. In addition, because the airflow flows out through the same air outlet channel, the airflow pressure is greater than that of the airflow flowing out through multiple air outlets in the prior art. After the airflow flows out from the air outlet channel, the airflow in the cooking cavity 10 can flow under a greater pressure, thereby improving the flow effect of the airflow in the cooking cavity 10 and improving the uniformity of heating of the food placed in the cooking cavity 10.

[0036] Optionally, the volute structure and the fan blade structure 2 are both installed on the inner wall of the rear side plate 11 of the cooking cavity 10. The air outlet channel is arranged on the circumferential side of the volute structure, and the air inlets 40 are arranged on the front side of the volute structure. In this way, the airflow in the cooking cavity 10 can enter the volute 3 through the front side of the volute structure and then flow out from the circumferential side of the volute structure. The airflow flowing out from the circumferential side of the volute structure can flow along the inner wall of the cooking cavity 10, thereby driving the airflow in the cooking cavity 10 to flow in a larger range and improving the uniformity of heating.

[0037] Optionally, the scroll structure comprises a hood 4 and a scroll 3, the hood 4 comprises a hood body 41 arranged in the cooking cavity 10 and connected with the rear side plate 11, a wind cavity 100 is formed between the hood body 41 and the rear side plate 11, the scroll 3 and the fan blade structure 2 are arranged in the wind cavity 100, the hood body 41 is provided with an air outlet hole 43 and an air inlet hole 40, the scroll 3 comprises a scroll body 31, the front side of the scroll body 31 abuts against the hood body 41, the front side of the scroll body 31 is provided with an air inlet through hole 312 corresponding to the air inlet hole 40, the circumferential side of the scroll body 31 is provided with an air outlet through hole 313 corresponding to the air outlet hole 43, the air outlet hole 43 and the air outlet through hole 313 communicate to form an air outlet channel. The hood 4 belongs to the components in the existing steam oven, and the scroll 3 is arranged in the shape matched with the hood 4, which can blow out the air flow uniformly, increase the pressure of the air flow, and can also reduce the modification of the structure of the existing steam oven as much as possible, and reduce the development and modification cost of the existing product.

[0038] Optionally, the rear side of the scroll body 31 is provided with a mounting hole 311, the mounting hole 311 is sleeved on the mounting boss 111 arranged on the inner side wall of the rear side plate 11, so as to facilitate the installation of the scroll body 31 in the cooking cavity 10.

[0039] Further, the middle part of the hood body 41 is provided with a first recess 42 recessed towards the front, and the middle part of the rear side plate 11 is provided with a second recess 1102 recessed towards the rear side, and the first recess 42 and the second recess 1102 communicate to form the wind cavity 100.

[0040] Optionally, the fan blade structure 2 comprises a connecting part 21 and a fan ring part 22 arranged on the circumferential side of the connecting part 21, the fan ring part 22 comprises a plurality of fan blade bodies 221 arranged circumferentially along the connecting part 21, the first side of the fan blade body 221 is provided with a flange 222 having an included angle β with the fan blade body 221, the second side of the fan blade body 221 is provided with an extended fan blade part 223 coplanar or horizontally arranged with the fan blade body 221, the flange 222 is arranged on the side away from the rotation direction of the fan blade body 221, and the extended fan blade part 223 is arranged on the side towards the rotation direction of the fan blade body 221 and located at the end of the fan blade body 221 away from the connecting part 21. By arranging the extended fan blade part 223, the area of the fan blade structure 2 can be increased, thereby improving the acceleration effect of the fan blade structure 2 on the air flow, so that the air flow has a larger initial velocity, and arranging the extended fan blade part 223 on the side of the fan blade body 221 towards the rotation direction of the fan blade body 221 can effectively reduce the diameter of the annular ring where the fan ring part 22 is located, that is, reduce the overall diameter of the fan blade structure 2, so that the increased scroll 3 can be installed in the wind cavity without modifying the size of the existing wind cavity, which is conducive to further reducing the development and modification cost of the existing product.

[0041] Optionally, the area of the sector ring part 22 is S1, the area of the annular ring in which the sector ring part 22 is located is S2, and 0.4S2≤S1≤0.6S2. In the existing product, the area of the sector ring part 22 is S11, the area of the annular ring in which the sector ring part 22 is located is S21, and 0.25S21≤S11≤0.3S21. In this way, the area of the sector ring part 22 provided by the application is larger, which is beneficial to improving the initial speed of the airflow.

[0042] Further, in the embodiment, S1=0.49S2, S1=7800mm 2 , and the outer diameter of the annular ring in which the sector ring part 22 is located is 130mm. In the existing product, S11=0.28, S11=5200mm 2 , and the outer diameter of the annular ring in which the sector ring part 22 is located is 152mm. That is, the fan blade structure 2 provided by the application has a smaller diameter and a larger area.

[0043] Through the above settings, it is calculated that the fan assembly provided by the application can increase the initial speed of the airflow flowing out of the air outlet channel by about 50% compared with the initial speed of the airflow of the prior art, and the initial speed of the airflow is increased from 3.7m / s to 5.6m / s.

[0044] Optionally, the fan blade body 221 is inclined from inside to outside in the rotation direction of the fan blade body 221, so as to facilitate driving the airflow.

[0045] Specifically, in the embodiment, the fan blade structure 2 rotates in the counterclockwise direction (i.e., the direction indicated by arrow B in the figure). Figure 7

[0046] Optionally, a driving motor is further included, the driving motor is installed outside the cooking cavity 10 and is in transmission connection with the fan blade structure 2, the driving motor drives the fan blade structure 2 to rotate, so as to form an airflow in the volute body.

[0047] Optionally, a shaft hole 1101 is formed in the mounting boss 111, a driving shaft of the driving motor extends into the volute body 31 through the shaft hole 1101 and is connected with the connecting part 21.

[0048] The utility model discloses a cooking equipment on another aspect, including cooking inner bag 1, forming cooking cavity 10 in cooking inner bag 1, still include the fan assembly of the cooking equipment of above-mentioned.

[0049] The above-mentioned is only some implementation manners of the utility model. For ordinary skilled person in the art, without departing from the creative concept of the utility model, a plurality of deformations and improvements can be made, which all belong to the protection scope of the utility model.​

Claims

1. A fan assembly of a cooking apparatus, characterized by, include: The fan blade structure (2) is installed inside the cooking cavity (10) of the cooking equipment; A vortex structure is installed in the cooking cavity (10) and sleeved on the outside of the fan blade structure (2). The inner wall of the vortex structure is fitted with the fan blade structure (2) with a clearance. A plurality of air inlets (40) are provided on one side of the vortex structure, and an air outlet channel is provided on the other side of the vortex structure. Both the air inlets (40) and the air outlet channel are connected to the cooking cavity (10).

2. The fan assembly of a cooking apparatus according to claim 1, wherein, The vortex structure and the fan blade structure (2) are both installed on the inner wall of the rear side plate (11) of the cooking cavity (10), the air outlet channel is arranged on the periphery of the vortex structure, and the air inlet (40) is arranged on the front side of the vortex structure.

3. The fan assembly of a cooking apparatus according to claim 2, wherein, The vortex structure includes a shroud (4) and a vortex shell (3). The shroud (4) includes a shroud body (41), which is disposed in the cooking cavity (10) and connected to the rear side plate (11). A wind cavity (100) is formed between the shroud body (41) and the rear side plate (11). The vortex shell (3) and the fan blade structure (2) are disposed in the wind cavity (100). An air outlet (43) and a fan blade structure (2) are provided on the shroud body (41). The air inlet (40) is described above. The vortex shell (3) includes a vortex shell body (31). The front side of the vortex shell body (31) abuts against the wind shield body (41). An air inlet through hole (312) corresponding to the air inlet (40) is opened on the front side of the vortex shell body (31). An air outlet through hole (313) corresponding to the air outlet (43) is opened on the periphery of the vortex shell body (31). The air outlet (43) and the air outlet through hole (313) are connected to form the air outlet channel.

4. The fan assembly of claim 3, wherein, The rear side of the vortex body (31) is provided with a mounting hole (311), which is fitted onto the mounting boss (111) provided on the inner side wall of the rear side plate (11).

5. The fan assembly of a cooking apparatus according to any one of claims 1-4, wherein, The fan blade structure (2) includes a connecting part (21) and a fan ring part (22) disposed around the connecting part (21). The fan ring part (22) includes a plurality of fan blade bodies (221) disposed around the connecting part (21). A flange (222) with an included angle β between the fan blade body (221) and the first side of the fan blade body (221) is provided. An extended fan blade part (223) is disposed on the second side of the fan blade body (221) and is coplanar or horizontally disposed with the fan blade body (221). The flange (222) is disposed on the side away from the rotation direction of the fan blade body (221). The extended fan blade part (223) is disposed on the side facing the rotation direction of the fan blade body (221) and located at the end of the fan blade body (221) away from the connecting part (21).

6. The fan assembly of the cooking apparatus according to claim 5, wherein, The area of ​​the fan ring (22) is S1, and the area of ​​the ring in which the fan ring (22) is located is S2, 0.4S2≤S1≤0.6S2.

7. The fan assembly of the cooking apparatus according to claim 6, wherein, S1 = 7800 mm 2 The outer diameter of the circular ring in which the sector ring (22) is located is 130 mm.

8. The fan assembly of the cooking apparatus according to claim 5, wherein, The fan blade body (221) is inclined from the inside to the outside in the direction of rotation of the fan blade body (221).

9. The fan assembly of the cooking apparatus according to claim 5, wherein, A driving motor is also included, which is installed outside the cooking cavity (10) and in driving connection with the fan blade structure (2).

10. A cooking apparatus, characterized by, A cooking device is also included, which comprises a cooking liner (1) in which a cooking cavity (10) is formed, and the fan assembly of any one of claims 1-9.

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