CN215502566U - Humidification baking inner container structure and oven - Google Patents

Abstract

The utility model relates to a humidifying and baking inner container structure which comprises an inner container and a hot air blower arranged on a back plate of the inner container, wherein a hot air baffle is arranged at the rear side of the inner container, a hot air chamber is formed by the hot air baffle and the back plate of the inner container in a surrounding manner, the hot air blower comprises a motor shaft and an impeller arranged on the motor shaft, the impeller is positioned in the hot air chamber, a back heating pipe is arranged on the outer circumference of the impeller, a water storage cavity with a water injection hole is arranged on the impeller, the front side of the water storage cavity is provided with an injection hole, the motor shaft is a hollow shaft, the front end of the motor shaft is provided with a water outlet hole in fluid communication with the water injection hole of the water storage cavity, and the rear end of the motor shaft is provided with a water inlet hole in fluid communication with a water outlet of a water tank. Compared with the prior art, the utility model can humidify more uniformly through the circulation flow of the steam, thereby improving the cooking effect of the food.

Description

Humidification baking inner container structure and oven

Technical Field

The utility model relates to the field of cooking equipment, in particular to a humidifying and baking inner container structure and an oven.

Background

Traditional oven does not have the roast function of humidification, can't carry out the humidification to the food in toasting for the food taste of baking is dry partially, can't further promote toasting effect. In the existing baking cooking equipment with the humidifying and baking functions, only the steam generation function of the steam box is simply integrated in the baking box, for example, water in an external water tank is connected into the inner container, the heating plate in the inner container heats the water entering the inner container to generate steam, and the steam is filled in the inner container to humidify baked food in the inner container. This humidification method has the following problems: (1) the generation of the steam and the filling of the inner container require a certain time, so that the humidifying process is slow; (2) the temperature of the steam is only 100 ℃, and the baking temperature can generally reach over 180 ℃, so that the steam can not uniformly fill the whole inner container, and the problem of non-uniform humidification of the food is caused.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a humidifying and baking inner container structure with uniform humidification aiming at the prior art.

The second technical problem to be solved by the present invention is to provide an oven with the above humidifying and baking inner container structure, aiming at the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a humidifying and baking inner container structure comprises an inner container and an air heater arranged on a back plate of the inner container, wherein a hot air baffle is arranged on the rear side of the inner container, a hot air chamber is formed by the hot air baffle and the back plate of the inner container in a surrounding mode, the air heater comprises a motor shaft and an impeller arranged on the motor shaft, the impeller is located in the hot air chamber, and a back heating pipe is arranged on the outer circumference of the impeller.

Furthermore, a water storage groove which is sunken backwards is arranged on the impeller, a cover plate is arranged on the upper cover of the water storage groove, the cover plate and the water storage groove form the water storage cavity in an enclosed mode, a water injection hole is formed in the wall of the water storage groove, and a jet hole is formed in the cover plate. Therefore, the water storage cavity structure can be conveniently realized, and in the rotating process of the impeller, the water in the water storage cavity can be more smoothly sprayed out in the form of fine water drops from the spray holes.

Further, the impeller includes wheel hub and encloses the flabellum of establishing in the wheel hub periphery, this flabellum includes locating plate and the fan board that is connected with wheel hub and with wheel hub parallel arrangement, this fan board is fixed on one side edge of locating plate along its direction of rotation and is perpendicular with the locating plate, above-mentioned retaining recess is including setting up the first recess on above-mentioned wheel hub and setting up the second recess on each locating plate respectively, wherein, first recess is the circular slot that uses wheel hub's motor shaft hole as the center, each second recess respectively along the radial extension of first recess and all establish along first recess circumference interval, and the medial extremity of this second recess is linked together with above-mentioned first recess respectively, the shape and this retaining recess phase-match of above-mentioned sunshade, and above-mentioned jet orifice equipartition is in sunshade department corresponding with each second recess. Therefore, the water in the water storage cavity can be better ejected from the ejection hole under the action of the rotating centrifugal force of the impeller.

Further, the water injection hole is formed in the wall of the first groove. On one hand, water flows can better flow into the second grooves, and on the other hand, fine water beads can be sprayed out from the spray holes more uniformly when the impeller rotates.

Further, the water injection hole is positioned in the middle of two adjacent second grooves. Thereby further ensuring that the fine water drops are uniformly sprayed out of each spray hole when the impeller rotates.

Further, the distance between the free end of each second groove and the outermost end of the positioning plate where the free end is located is more than or equal to half of the length of the positioning plate. Because the periphery at the impeller is established to back heating pipe encircleing, if the edge near the impeller is seted up to the jet orifice, then during the impeller rotates, the thin drop of jet orifice spun can be got rid of outside the back heating pipe, leads to the heat that the back heating pipe produced can't effectively heat the thin drop of jet orifice spun and produce steam.

Furthermore, each second groove deviates from the corresponding fan plate. The fine water drops sprayed from the spray holes can flow to the vicinity of the back heating pipe under the action of centrifugal force and are heated into steam.

Furthermore, the water outlet hole is formed in the side wall of the front end of the motor shaft and located on the rear side of the impeller, and the water outlet hole is communicated with the water injection hole through a connecting water pipe. Therefore, water entering the motor shaft can smoothly flow into the water storage cavity through the connecting water pipe.

Further, the connecting water pipe comprises a first pipe body and a second pipe body, the first pipe body and the second pipe body extend in the front-back direction, the projection of the second pipe body on the back face of the hub extends in the radial direction of the hub, the front end of the first pipe body is communicated with the water injection hole, the rear end of the first pipe body is sealed, a water guide hole is formed in the pipe wall of the first pipe body, one end of the second pipe body is communicated with the water injection hole, and the other end of the second pipe body is communicated with the water outlet hole. Therefore, water of the motor shaft sequentially enters the water storage cavity through the second pipe body and the first pipe body.

Further, the pipe diameter of first body is greater than the second body. The trompil area that enables the apopore on the one hand is less to guarantee the stability of motor shaft structure, on the other hand because first recess is circular-arcly, enable rivers more smoothly to be covered with whole first recess through this design, and then guarantee that water flows into in each second recess smoothly.

The technical solution adopted to further solve the second technical problem is as follows: an oven is characterized in that the humidifying and baking inner container structure is provided.

Compared with the prior art, the utility model has the advantages that: the impeller is provided with the water storage cavity, and the front surface of the impeller is provided with the jet hole, so that when the impeller rotates, water in the water storage cavity can be jetted out in the form of fine water drops, steam is formed under the heating action of the back heating pipe, the steam can be blown into the inner container through the air outlet of the hot air baffle under the action of the centrifugal force of the impeller, and the hot air circulates along with the convection of hot air in the inner container, so that the food is humidified and baked.

Drawings

FIG. 1 is a cross-sectional view of an oven embodying the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of an impeller according to an embodiment of the present invention;

FIG. 4 is a partial structural view of an impeller according to an embodiment of the present invention;

fig. 5 is a schematic structural view in another direction of fig. 4.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, an oven includes a humidifying and baking inner container structure, the humidifying and baking inner container structure includes an inner container 1 and a hot air blower 3 installed on a back plate of the inner container 1, a hot air baffle 2 is installed on a rear side of the inner container 1, the hot air baffle 2 and the back plate of the inner container 1 enclose a hot air chamber 20, the hot air blower 3 includes a motor shaft 32 and an impeller 31 installed on the motor shaft 32, the impeller 31 is located in the hot air chamber 20, and a back heating pipe 6 is installed on an outer periphery of the impeller 31.

Further, the impeller 31 is provided with a water storage chamber 4 having a water injection hole 410, the water storage chamber 4 is provided with an injection hole 421 at the front of the impeller 31, the motor shaft 32 is a hollow shaft, the front end of the motor shaft 32 is provided with a water outlet 322 in fluid communication with the water injection hole 410 of the water storage chamber 4, and the rear end is provided with a water inlet 321 in fluid communication with a water outlet of a water tank (not shown). In this sample embodiment, the impeller 31 is provided with the water storage cavity 4, and the water storage cavity 4 is provided with the injection hole 421 on the front surface of the impeller 31, when the impeller 31 rotates, the water in the water storage cavity 4 can be injected by the formation of fine water droplets, and steam is formed under the heating action of the back heating pipe 6, and can be blown into the inner container 1 through the air outlet of the hot air baffle 2 under the action of the centrifugal force of the impeller 31, and the food is humidified and baked along with the convection circulation of hot air in the inner container 1.

In this embodiment, the impeller 31 is provided with a water storage groove 41 recessed backward, and the water storage groove 41 is covered with a cover plate 42, the cover plate 42 and the water storage groove 41 enclose the water storage cavity 4, and the wall of the water storage groove 41 is provided with a water injection hole 410 and the cover plate 42 is provided with an injection hole 421. Therefore, the structure of the water storage cavity 4 can be conveniently realized, and in the rotating process of the impeller 31, the water in the water storage cavity 4 can be more smoothly sprayed out in the form of fine water drops from the spraying holes 421. Specifically, the impeller 31 includes a hub 311 and blades 312 surrounding the hub 311, the fan blade 312 includes a positioning plate 3121 and a fan plate 3122 connected to the hub 311 and disposed in parallel with the hub 311, the fan plate 3122 is fixed to one side edge of the positioning plate 3121 in the direction of rotation thereof and is perpendicular to the positioning plate 3121, the water storage recess 41 includes a first recess 411 provided on the hub 311 and second recesses 412 provided on the respective positioning plates 3121, wherein, the first concave slot 411 is a circular slot with the motor shaft hole 3110 of the hub 311 as the center, each second concave slot 412 extends along the radial direction of the first concave slot 411 and is arranged along the circumferential direction of the first concave slot 411 at intervals, and inner ends of the second grooves 412 are respectively communicated with the first grooves 411, the shape of the shielding plate 42 is matched with the water storage groove 41, and the injection holes 421 are uniformly distributed at the shielding plate 42 corresponding to each second groove 412. So that the water in the water storage chamber 4 can be better ejected from the ejection holes 421 by the rotating centrifugal force of the impeller 31.

Further, it is preferable that the water injection holes 410 are opened on the groove wall of the first recess 411. On the one hand, the water can flow into the second grooves 412 better, and on the other hand, when the impeller 31 rotates, the fine water droplets can be sprayed out from the spraying holes 421 more uniformly. It is further preferable that the water injection hole 410 is located at the middle of two adjacent second grooves 412, so that it can be further ensured that fine water droplets are uniformly sprayed from each of the spray holes 421 when the impeller 31 rotates.

In addition, in this embodiment, the distance between the free end of each second groove 412 and the outermost end of the positioning plate 3121 is greater than or equal to half the length of the positioning plate 3121. Because back heating pipe 6 encloses the periphery of establishing at impeller 31, if jet hole 421 offers the edge that is close to impeller 31, then when impeller 31 rotated, the fine drop of water that jet hole 421 spun can be got rid of outside back heating pipe 6, lead to the unable effective heating jet hole 421 spun fine drop of water of heat that back heating pipe 6 produced and steam production. Each of the second grooves 412 is offset from the corresponding fan plate 3122. The fine water droplets sprayed from the spray holes 421 can flow to the vicinity of the back heating pipe 6 by centrifugal force and be heated to steam.

Further, the water outlet hole 322 is formed in a side wall of the front end of the motor shaft 32 and located at the rear side of the impeller 31, and the water outlet hole 322 is communicated with the water injection hole 410 through a connection water pipe 5. So that the water introduced into the motor shaft 32 can smoothly flow into the water storage chamber 4 through the connection water pipe 5. Specifically, the connection water pipe 5 includes a first pipe body 51 and a second pipe body 52 extending in a front-rear direction, the projection of the second pipe body 52 on the back of the hub 311 extends along the radial direction of the hub 311, the front end of the first pipe body 51 is communicated with the water injection hole 410, the rear end is closed, a water guide hole 511 is opened on the pipe wall of the first pipe body 51, one end of the second pipe body 52 is communicated with the water injection hole 410, and the other end is communicated with the water outlet hole 322. So that the water of the motor shaft 32 passes through the second tube 52 and the first tube 51 in sequence and enters the water storage chamber 4. Preferably, the first pipe 51 has a pipe diameter larger than that of the second pipe 52. On the one hand, the area of the opening of the water outlet hole 322 is small, so that the stability of the structure of the motor shaft 32 is guaranteed, and on the other hand, the first groove 411 is arc-shaped, so that water flows more smoothly into the whole first groove 411 through the design, and water smoothly flows into each second groove 412.

The working process of the utility model is as follows:

when the baking function of the oven is turned on, a water pump (not shown) for controlling the water circulation of the external water tank (not shown) does not work, and no water enters the water storage cavity 4 at this time. When the humidification and baking function is started, the water pump works, water starts to enter the water storage cavity 4 at the back of the impeller 31, meanwhile, the impeller 31 rotates at a high speed, water in the water storage cavity 4 enters the hot air chamber 20 through the plurality of fine jet holes 421, fine water beads quickly become high-speed water vapor under the rotating action of the impeller 31 and the heating action of the back heating pipe 6, the water vapor enters the inner container 1 through the air outlet of the hot air baffle plate 2, convection circulation is carried out in the inner container 1 along with hot air, and uniform humidification of food is achieved. When the interior of the hot air chamber 20 of the inner container 1 needs to be cleaned, the back heating pipe 6 does not work, the impeller 31 rotates, and the inner peripheral surface of the hot air chamber 20 can be cleaned by the high-speed water flow sprayed from the spraying holes 421.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow from the first portion along a flow path or/and be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims (11)

1. A humidifying and baking inner container structure comprises an inner container (1) and a hot air blower (3) arranged on a back plate of the inner container (1), wherein a hot air baffle (2) is arranged at the rear side of the inner container (1), the hot air baffle (2) and the back plate of the inner container (1) enclose a hot air chamber (20), the hot air blower (3) comprises a motor shaft (32) and an impeller (31) arranged on the motor shaft (32), the impeller (31) is positioned in the hot air chamber (20), and a back heating pipe (6) is arranged on the outer periphery of the impeller (31), the humidifying and baking inner container structure is characterized in that a water storage cavity (4) with a water injection hole (410) is arranged on the impeller (31), the water storage cavity (4) is provided with an injection hole (421) on the front side of the impeller (31), the motor shaft (32) is a hollow shaft, and the front end of the motor shaft (32) is provided with a water outlet hole (322) which is in fluid communication with the water injection hole (410) of the water storage cavity (4), and the rear end is provided with a water inlet hole (321) which is communicated with the water outlet of the water tank in a fluid way.

2. The humidifying roast inner container structure according to claim 1, characterized in that the impeller (31) is provided with a water storage groove (41) recessed backward, and the water storage groove (41) is covered with a cover plate (42), the cover plate (42) and the water storage groove (41) enclose the water storage cavity (4), and the wall of the water storage groove (41) is opened with a water injection hole (410) and the cover plate (42) is opened with an injection hole (421).

3. The structure of a humidifying roaster inner chamber as defined in claim 2, wherein the impeller (31) comprises a hub (311) and fan blades (312) arranged around the hub (311), the fan blades (312) comprise a positioning plate (3121) connected to the hub (311) and arranged in parallel with the hub (311) and a fan plate (3122) fixed to one side edge of the positioning plate (3121) in the rotation direction thereof and perpendicular to the positioning plate (3121), the water storage recess (41) comprises a first recess (411) provided in the hub (311) and second recesses (412) respectively provided in the positioning plates (3121), wherein the first recess (411) is a circular recess centered on the motor shaft hole (3110) of the hub (311), the second recesses (412) respectively extend in the radial direction of the first recess (411) and are circumferentially spaced from each other along the first recess (411), the inner ends of the second grooves (412) are respectively communicated with the first grooves (411), the shapes of the shielding plates (42) are matched with the water storage grooves (41), and the spraying holes (421) are uniformly distributed at the shielding plates (42) corresponding to the second grooves (412).

4. The humidifying roasting inner container structure according to claim 3, wherein the water injection hole (410) is opened on a wall of the first groove (411).

5. The structure of humidifying inner container of baking of claim 4, wherein the water injection hole (410) is located at the middle of two adjacent second grooves (412).

6. A humidifying baking inner container structure as defined in claim 3, wherein the distance between the free end of each second groove (412) and the outermost end of the positioning plate (3121) is more than or equal to half the length of the positioning plate (3121).

7. A humidifying baking inner container structure as claimed in claim 3, wherein each of the second grooves (412) is offset from the corresponding fan plate (3122).

8. The humidifying and baking inner container structure according to claim 4 or 5, wherein the water outlet hole (322) is opened on the side wall of the front end of the motor shaft (32) and is positioned at the rear side of the impeller (31), and the water outlet hole (322) is communicated with the water injection hole (410) through a connecting water pipe (5).

9. The humidifying and baking inner container structure according to claim 8, wherein the connecting water pipe (5) comprises a first pipe body (51) and a second pipe body (52) which extend in a front-back direction, a projection of the second pipe body (52) on the back of the hub (311) extends in a radial direction of the hub (311), the front end of the first pipe body (51) is communicated with the water injection hole (410) and the rear end is closed, a water guide hole (511) is formed in the pipe wall of the first pipe body (51), one end of the second pipe body (52) is communicated with the water injection hole (410) and the other end is communicated with the water outlet hole (322).

10. A humidifying inner container structure as defined in claim 9, wherein the first tube (51) has a larger tube diameter than the second tube (52).

11. An oven, characterized in that, the humidifying and baking inner container structure as claimed in any one of claims 1 to 10 is provided.

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