CN221129667U

CN221129667U - Heat insulation structure of Pizza stove shell

Info

Publication number: CN221129667U
Application number: CN202322821336.1U
Authority: CN
Inventors: 易杰; 王守国
Original assignee: Shenzhen Lingchuang Intelligent Manufacturing Technology Co ltd
Current assignee: Shenzhen Lingchuang Intelligent Manufacturing Technology Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-06-14
Anticipated expiration: 2033-10-20

Abstract

The utility model relates to a heat insulation structure of a Pizza furnace shell, which comprises a furnace body and a furnace door, wherein the furnace body is provided with a furnace chamber, a first air channel and a second air channel, wherein the first air channel and the second air channel are constructed in the peripheral wall of the furnace chamber and surround the furnace chamber, the first air channel and a fan cooperate to establish an active air flow state, the air outlet end of the second air channel is communicated with the first air channel, and the second air channel establishes a self-priming air flow state based on wind power traction of the first air channel; the furnace door assembly is on the furnace body, and the inside of furnace door is equipped with the reposition of redundant personnel wind channel, and the reposition of redundant personnel wind channel passes through the shunt opening and communicates first wind channel. The cooling and heat insulation are realized by utilizing the wind flowing cooling of the first air duct and the second air duct, the practicability of the Pizza furnace is improved, the venturi effect is utilized by the second air duct under the condition that a compact fan is arranged at the bottom of the appliance, and the principle of natural rising of hot air is combined, so that the cooling of the furnace door and the shell of the Pizza furnace can be realized simultaneously, and the device has the advantages of simple structure, low cost and high reliability.

Description

Heat insulation structure of Pizza stove shell

Technical Field

The utility model relates to the technical field of household appliances, in particular to a heat insulation structure of an electric heating Pizza furnace shell.

Background

The household appliances in the families are becoming more and more popular nowadays, and various different household appliances bring great convenience to the life of people, and the electric heating Pizza oven is one of the more and more popular in recent years. The electric heating Pizza oven is different from the traditional Pizza oven (wood, carbon, fuel gas and the like), has high safety, easy cleaning, large and precise temperature regulation range, and can conveniently manufacture delicious Pizza in the general household environment by common users. The Pizza oven is different from a common household electric oven or an embedded large oven, has a compact structure, but the temperature of the oven is as high as 420 ℃, and the cooking temperature is as high as the temperature, so that heat is inevitably transferred to the surface of the oven body. Too high a fuselage surface temperature, on the one hand, reduces the user experience and, on the other hand, may also cause accidental injuries. The prior proposal is to add heat insulation cotton or enlarge the external dimension of the product with large heat dissipation fan to reduce the temperature rise of the surface of the product. However, these methods are costly on the one hand and result in unnecessarily large products on the other hand, which occupy an insufficient space in the kitchen.

Disclosure of Invention

The utility model aims to provide a heat insulation structure of a Pizza furnace shell, which can realize effective cooling and heat insulation, and has simple and practical structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The heat insulation structure of the Pizza furnace shell comprises a furnace body and a furnace door, wherein the furnace body is provided with a furnace chamber, a first air channel and a second air channel, wherein the first air channel and the second air channel are built in the peripheral wall of the furnace chamber and surround the furnace chamber, the first air channel and the fan cooperate to establish an active air flow state, the air outlet end of the second air channel is communicated with the first air channel, and the second air channel establishes a self-priming air flow state based on wind power traction of the first air channel; the furnace door is assembled on the furnace body, the furnace door is used for opening or closing a furnace chamber of the furnace body, a split air channel is arranged in the furnace door, and the split air channel is communicated with the first air channel through the split opening.

The scheme is that the furnace body is a horizontally arranged multi-layer structure frame body, and an opening of the furnace chamber is arranged on the front frame wall of the furnace body; the first air channels are distributed on the lower frame wall, the upper frame wall and the front frame wall of the furnace body, and the export of the first air channels is arranged on the rear frame wall of the furnace body; the second air duct is distributed on the rear frame wall of the furnace body and is communicated with the export in a crossing way, and is provided with a self-priming inlet which is positioned below the export; the fan is arranged on the lower frame wall of the furnace body, the fan sucks air from the outside of the furnace body and then sends the air into the first air channel, and the first air channel guides the air to flow through the lower frame wall, the front frame wall and the upper frame wall of the furnace body and then is led out from the outlet; the lower side of the furnace door is hinged with the front frame wall of the furnace body, the shunt opening is arranged at the lower part of the inner side surface of the furnace door, and when the furnace door is closed, the shunt opening is in butt joint communication with the first air duct.

The scheme is that the rear frame wall of the furnace body is formed by at least buckling an inner rear plate and an outer rear plate, a second air duct is formed between the inner rear plate and the outer rear plate, a self-suction inlet is formed in the lower part of the outer rear plate, and an outlet is formed by a first butt joint hole formed in the upper part of the inner rear plate and a second butt joint hole formed in the upper part of the outer rear plate; the portion of the second air duct extends between the first and second mating holes and constructs a venturi effect architecture.

The scheme is that a wind scooper component is assembled in the lower frame wall of the furnace body, and air inlets are arranged on the bottom surface of the lower frame wall, are divided into two groups and are positioned on the left side and the right side of the wind scooper component; the part of the first air channel extends to the inside of the air guide cover part, the fan is led into the first air channel through the air guide cover part after sucking air through the air inlet hole, and the split port on the furnace door is in butt joint communication with the first air channel through the loose port reserved by the air guide cover part.

The above scheme is further that the first butt joint hole and the second butt joint hole are punching holes, and the first butt joint hole and the second butt joint hole are punched in opposite directions, so that the gap between the first butt joint hole and the second butt joint hole is smaller than the interval between the inner rear plate and the outer rear plate.

By adopting the structure, the utility model is provided with the first air channel and the second air channel around the furnace chamber, the first air channel and the fan cooperate to establish an active air flow state, the air outlet end of the second air channel is communicated with the first air channel, and the second air channel establishes a self-priming air flow state based on the wind power traction of the first air channel; the inside of furnace gate is equipped with the reposition of redundant personnel wind channel, and the reposition of redundant personnel wind channel passes through the first wind channel of shunt opening intercommunication. Therefore, the cooling and heat insulation are realized by utilizing the wind flowing cooling of the first air duct and the second air duct, the practicability of the Pizza furnace is improved, the Venturi effect (Venturi effect) is utilized by the second air duct under the condition that a compact fan is arranged at the bottom of an appliance, and the cooling of the furnace door and the outer shell of the Pizza furnace can be realized simultaneously by combining the principle of natural rising of hot air.

Drawings

FIG. 1 is a schematic view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the internal structure of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic view of the oven door opening structure of the embodiment of FIG. 1;

FIG. 5 is a schematic illustration of the internal air flow of the embodiment of FIG. 1;

Fig. 6 is a schematic diagram of the bottom air intake flow of the embodiment of fig. 1.

Detailed Description

The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2, 3, 4, 5 and 6, which are schematic views of a preferred embodiment of the present utility model, the present utility model relates to a heat insulation structure of a Pizza furnace housing, which comprises a furnace body 1 and a furnace door 2, wherein the furnace body 1 is preferably a horizontally arranged multi-layer structure frame body, and is manufactured by adopting a sheet metal process. The furnace body 1 has a furnace chamber 11, and a first air duct 12 and a second air duct 13 built in the outer peripheral wall of the furnace chamber 11 and surrounding the furnace chamber 11, the first air duct 12 cooperates with the blower 3 to establish an active air flow state, the air outlet end of the second air duct 13 communicates with the first air duct 12, and the second air duct 13 establishes a self-priming air flow state based on wind power traction of the first air duct 12. The furnace door 2 is assembled on the furnace body, the furnace door 2 is used for opening or closing the furnace chamber 11 of the furnace body, food materials are convenient to take and put, a split air duct 21 is arranged in the furnace door 2, and the split air duct 21 is communicated with the first air duct 12 through a split opening 22. During operation, the cooling of furnace body 1 shell is thermal-insulated to the cooling of wandering of utilizing first wind channel 12 and second wind channel 13 to and the first wind channel 12 still accessible shunt port 22 reposition of redundant personnel part cold air gives furnace gate 2 reposition of redundant personnel wind channel 21, gives furnace gate 2 cooling thermal-insulated, from this effectively prevents that the heat from passing to the fuselage surface, promotes user experience on the one hand, and on the other hand also effectively avoids unexpected injury, promotes the practicality of Pizza stove. The utility model can realize the cooling of the furnace door and the outer shell of the Pizza furnace by combining the principle of natural rising of hot air under the condition that a compact fan is arranged at the bottom of the appliance and the Venturi effect is utilized by the second air duct, and has the advantages of simple structure, low cost and high reliability, thereby improving the market competitiveness of the Pizza furnace.

In the embodiment, an opening of the furnace chamber 11 is arranged on a front frame wall of the furnace body 1, and the lower side edge of the furnace door 2 is hinged with the front frame wall of the furnace body 1 to realize up-down overturning and opening-closing; the shunt opening 22 is arranged at the lower part of the inner side surface of the furnace door 2, and when the furnace door 2 is closed, the shunt opening 22 is in butt joint communication with the first air duct 12 in a movable connection mode, so that the method is simple and convenient. The first air duct 12 is distributed on the lower frame wall, the upper frame wall and the front frame wall of the furnace body 1, and the outlet 121 of the first air duct 12 is arranged on the rear frame wall of the furnace body 1; the second air duct 13 is distributed on the rear frame wall of the furnace body 1 and is communicated with the outlet 121, the second air duct 13 is provided with a self-suction inlet 131, the self-suction inlet 131 is positioned below the outlet 121, self-suction rising is effectively utilized, and the use of a fan is reduced. The fan 3 of this embodiment is installed on the lower frame wall of furnace body 1, and fan 3 sends into first wind channel 12 after inhaling the air from the outside of furnace body 1, and first wind channel 12 guide air is derived from export 121 after the lower frame wall, preceding frame wall and the last frame wall of furnace body 1, realizes the shell cooling of Pizza stove and insulates against heat.

In the figure, a wind scooper part 16 is assembled in the lower frame wall of the furnace body 1, and air inlets 17 are arranged on the bottom surface of the lower frame wall, and the air inlets 17 are divided into two groups and are positioned at the left side and the right side of the wind scooper part 16; the part of the first air duct 12 extends into the air guide cover part 16, the fan 3 sucks air through the air inlet hole 17 and then leads the air into the first air duct 12 through the air guide cover part 16, and the split-flow port 22 on the furnace door 2 is in butt joint communication with the first air duct 12 through a loose joint reserved by the air guide cover part 16. The structure utilizes the wind scooper part 16 to conveniently construct the first air channel 12 and the air inlet hole 17, is also convenient for the split-flow port 22 on the furnace door 2 to be in butt joint and communicated with the first air channel 12, is favorable for the fan 3 to rotate and suck external cold air, and then is orderly led into the first air channel 12, so that the cold air moves in the first air channel 12, and meanwhile, part of the cold air is split into the split-flow air channel 21 of the furnace door 2, so that the shell of the furnace body and the furnace door are cooled and insulated. The air is discharged from the left side and the right side of the furnace door 2 after the air is fed into the split air duct 21 of the furnace door 2, and the structure is simple.

As shown in fig. 2, 3 and 4, in the present embodiment, the rear frame wall of the furnace body 1 is formed by at least fastening an inner rear plate 14 and an outer rear plate 15 to each other, a second air duct 13 is formed between the inner rear plate 14 and the outer rear plate 15, the self-suction inlet 131 is opened at the lower part of the outer rear plate 15, and the outlet 121 is formed by a first butt joint hole 141 opened at the upper part of the inner rear plate 14 and a second butt joint hole 151 opened at the upper part of the outer rear plate 15; the part of the second air duct 13 extends between the first butt joint hole 141 and the second butt joint hole 151 and constructs a venturi effect structure system; in the figure, the middle part of the outer back plate 15 is bent towards the direction far away from the inner back plate 14, so that the local width of the second air duct 13 is effectively increased, an effective pressure difference is formed, the Venturi effect (Venturi effect) is utilized, the natural rising principle of hot air is combined to achieve a self-priming state, and the structure of a product is simplified. In this embodiment, the first docking hole 141 and the second docking hole 151 are punched holes, and the first docking hole 141 and the second docking hole 151 are punched in opposite directions, so that the gap between the first docking hole 141 and the second docking hole 151 is smaller than the interval between the inner back plate 14 and the outer back plate 15, and thus the structure system of the effective venturi effect is simple in structure and convenient to manufacture.

According to the utility model, the first air channel and the second air channel are arranged around the furnace chamber, the first air channel and the fan cooperate to establish an active air flow state, the air outlet end of the second air channel is communicated with the first air channel, and the second air channel establishes a self-priming air flow state based on wind power traction of the first air channel; the inside of furnace gate is equipped with the reposition of redundant personnel wind channel, and the reposition of redundant personnel wind channel passes through the first wind channel of shunt opening intercommunication. Therefore, the cooling and heat insulation are realized by utilizing the wind flowing cooling of the first air duct and the second air duct, the practicability of the Pizza furnace is improved, the Venturi effect (Venturi effect) is utilized by the second air duct under the condition that a compact fan is arranged at the bottom of an appliance, and the cooling of the furnace door and the outer shell of the Pizza furnace can be realized simultaneously by combining the principle of natural rising of hot air.

While the preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model should not be limited to the exact same structure and operation as described above and illustrated, but many equivalent modifications and changes may be made to the above embodiments by one skilled in the art without departing from the spirit and scope of the utility model, through logic analysis, reasoning or limited experimentation, and all such modifications and changes are believed to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a heat insulation structure of Pizza stove shell, includes furnace body (1) and furnace gate (2), its characterized in that: the furnace body (1) is provided with a furnace chamber (11), and a first air duct (12) and a second air duct (13) which are built in the peripheral wall of the furnace chamber (11) and surround the furnace chamber (11), wherein the first air duct (12) and the fan (3) cooperate to establish an active air flow state, the air outlet end of the second air duct (13) is communicated with the first air duct (12), and the second air duct (13) establishes a self-priming air flow state based on the wind traction of the first air duct (12); the furnace door (2) is assembled on the furnace body, the furnace door (2) is used for opening or closing a furnace chamber (11) of the furnace body, a split air duct (21) is arranged in the furnace door (2), and the split air duct (21) is communicated with the first air duct (12) through a split opening (22).

2. The heat insulation structure of a Pizza furnace housing according to claim 1, wherein: the furnace body (1) is a horizontally arranged multi-layer structure frame body, and an opening of the furnace chamber (11) is arranged on the front frame wall of the furnace body (1); the first air channels (12) are distributed on the lower frame wall, the upper frame wall and the front frame wall of the furnace body (1), and the export (121) of the first air channels (12) is arranged on the rear frame wall of the furnace body (1); the second air channels (13) are distributed on the rear frame wall of the furnace body (1) and are communicated with the export (121) in a crossing mode, the second air channels (13) are provided with self-suction inlets (131), and the self-suction inlets (131) are positioned below the export (121); the fan (3) is arranged on the lower frame wall of the furnace body (1), the fan (3) sucks air from the outside of the furnace body (1) and then sends the air into the first air channel (12), and the first air channel (12) guides the air to flow through the lower frame wall, the front frame wall and the upper frame wall of the furnace body (1) and then is led out from the outlet (121); the lower side of the furnace door (2) is hinged with the front frame wall of the furnace body (1), the shunt opening (22) is arranged at the lower part of the inner side surface of the furnace door (2), and when the furnace door (2) is closed, the shunt opening (22) is in butt joint communication with the first air duct (12).

3. The heat insulation structure of a Pizza furnace housing according to claim 2, wherein: the rear frame wall of the furnace body (1) is formed by buckling an inner rear plate (14) and an outer rear plate (15) with each other, a second air duct (13) is formed between the inner rear plate (14) and the outer rear plate (15), a self-suction inlet (131) is formed at the lower part of the outer rear plate (15), and an outlet (121) is formed by a first butt joint hole (141) formed at the upper part of the inner rear plate (14) and a second butt joint hole (151) formed at the upper part of the outer rear plate (15); a part of the second air duct (13) extends between the first butt joint hole (141) and the second butt joint hole (151) and constructs a Venturi effect structural system.

4. The heat insulation structure of a Pizza furnace housing according to claim 2, wherein: the lower frame wall of the furnace body (1) is internally provided with a wind scooper component (16) and the bottom surface of the lower frame wall is provided with an air inlet hole (17), and the air inlet holes (17) are divided into two groups and are positioned at the left side and the right side of the wind scooper component (16); the part of the first air duct (12) extends into the air guide cover part (16), the fan (3) sucks air through the air inlet hole (17) and then guides the air into the first air duct (12) through the air guide cover part (16), and the shunt opening (22) on the furnace door (2) is in butt joint communication with the first air duct (12) through a loose joint reserved by the air guide cover part (16).

5. A Pizza oven housing insulation structure according to claim 3, wherein: the first butt joint hole (141) and the second butt joint hole (151) are punching holes, and the first butt joint hole (141) and the second butt joint hole (151) are punched in opposite directions, so that the gap between the first butt joint hole (141) and the second butt joint hole (151) is smaller than the gap between the inner rear plate (14) and the outer rear plate (15).