Heat dissipation structure of fuel gas pizza oven

Abstract

The utility model discloses a heat dissipation structure of a fuel gas pizza oven. The electric oven comprises an oven body and a motor arranged in the oven body, the motor is used for driving a turntable in a cooking cavity in the oven body to rotate, the bottom of a rotating shaft of the motor extends downwards out of the motor, the bottom of the rotating shaft is in transmission connection with a cooling fan, the bottom of the oven body is provided with cooling holes corresponding to the cooling fan, and the cooling fan guides airflow to flow to the outside through the cooling holes. The heat dissipation fan is driven to rotate while the motor rotates, the heat dissipation fan brings heat around the motor out of the furnace body through the heat dissipation holes, and the environment temperature of the motor is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas pizza oven technical field, concretely relates to a gas pizza oven heat dissipation structure. BACKGROUND

[0002] At present, in order to ensure that pizza is heated evenly, a turntable is arranged in the cooking cavity of the gas pizza oven, and a motor for driving the rotation of the turntable is arranged in the oven body. Since the gas pizza oven uses a gas burner for heating, the temperature of the oven body is relatively high, which can easily exceed the working environment temperature of the motor, resulting in easy damage of the motor. If a high-temperature-resistant motor is used, the cost of the gas pizza oven will increase dramatically, thereby losing market competitiveness. SUMMARY

[0003] The utility model aims at providing a gas pizza oven heat dissipation structure capable of reducing the temperature of the motor.

[0004] The utility model is realized in this way.

[0005] A gas pizza oven heat dissipation structure comprises an oven body and a motor arranged in the oven body, the motor is used for driving the rotation of a turntable in a cooking cavity in the oven body, the bottom of the rotating shaft of the motor extends downward to form an electric machine, a heat dissipation fan is drivingly connected to the bottom of the rotating shaft, a heat dissipation hole is arranged in the bottom of the oven body corresponding to the heat dissipation fan, and the heat dissipation fan guides airflow to flow to the outside through the heat dissipation hole.

[0006] The utility model drives the rotation of the heat dissipation fan while the motor rotates, the heat dissipation fan carries out the heat around the motor through the heat dissipation hole to the outside of the oven body, and the environmental temperature of the motor is reduced.

[0007] Further, a heat shield is arranged outside the motor, the bottom of the heat shield is open, the heat dissipation fan is arranged in the heat shield, and the bottom of the heat shield extends to be close to the heat dissipation hole.

[0008] The heat shield blocks the influence of part of the heat of the gas pizza oven on the motor and improves the heat dissipation efficiency of the heat dissipation fan for the motor.

[0009] Further, a support for fixing the motor is arranged in the oven body, the heat shield is connected and fixed with the support, the bottom of the support seals the top of the heat shield, and the top of the rotating shaft of the motor penetrates through the support.

[0010] The support seals the top of the heat shield, and the conduction of heat to the motor through the top of the heat shield is reduced.

[0011] Further, a heat reflection layer is arranged outside the heat shield.

[0012] The heat reflection layer blocks the heat radiated to the motor, and the temperature of the motor is effectively reduced.

[0013] Further, a layer of tin foil paper is wrapped outside the heat shield, and the layer of tin foil paper forms the heat reflection layer.

[0014] The heat reflection layer is easy to install.

[0015] Further, the furnace body bottom is provided with a detachable bottom cover, the detachable bottom cover is provided with the heat dissipation holes, the heat shield bottom is towards the detachable bottom cover, and after the detachable bottom cover is detached, the motor, the heat shield and the heat dissipation fan can be taken out from the detachable bottom cover installation position.

[0016] Convenient installation and maintenance of the motor.

[0017] The heat dissipation fan takes out the motor peripheral heat through the heat dissipation holes to realize the reduction of the motor environment temperature. The heat shield further blocks the influence of part of the gas pizza oven heat on the motor and improves the efficiency of the heat dissipation fan for the motor heat dissipation. The heat reflection layer blocks the heat radiation to the motor, and effectively reduces the motor temperature. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a three-dimensional structure schematic diagram of the embodiment one.

[0019] Fig. 2 It is a sectional structure schematic diagram of the embodiment one.

[0020] Fig. 3 It is an exploded structure schematic diagram of the embodiment one. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and the embodiment.

[0022] Embodiment one, see Figs. 1-3 As shown in the figure, a gas pizza oven heat dissipation structure, including furnace body 1, motor 2, heat shield 3 and heat dissipation fan 4.

[0023] The motor 2 is fixed in the furnace body 1 near the bottom through the support 5, and the rotating shaft top of the motor 2 extends into the cooking cavity through the heat insulation transmission device after passing through the support 5 to drive the rotating disc 11 to rotate. The rotating shaft bottom of the motor 2 extends out of the motor 2, and the rotating shaft bottom and the heat dissipation fan 4 are in transmission connection. The heat dissipation fan 4 is an axial fan.

[0024] The heat shield 3 top and the rotating shaft 21 are connected and fixed, and the rotating shaft 21 bottom seals the heat shield 3 top, and the motor 2 and the heat dissipation fan 4 are located in the heat shield 3, and the heat shield 3 bottom is open. In this embodiment, the motor 2 periphery is provided with the first ear 22, the heat shield 3 top outer periphery is provided with the second ear 31, and the first ear 22 and the second ear 31 are connected and fixed through the connecting piece (such as screw, not shown in the figure) and the rotating shaft 21.

[0025] The heat shield 3 is provided with a heat reflection layer 6. Preferably, the heat shield 3 is coated with a layer of tin foil, which forms the heat reflection layer 6.

[0026] The furnace body 1 is provided with a detachable bottom cover 7, and the detachable bottom cover 7 is provided with a heat dissipation hole 71. The bottom of the heat shield 3 faces the detachable bottom cover 7. After the detachable bottom cover 7 is removed, the motor 2, the heat shield 3 and the heat dissipation fan 4 can be taken out from the installation position of the detachable bottom cover 7. The bottom of the heat shield 3 extends to near the detachable bottom cover 7.

[0027] The rotating shaft of the motor 2 drives the heat dissipation fan 4, and the heat dissipation fan 4 guides the airflow in the heat shield 3 to flow outwards through the heat dissipation hole 71. The heat dissipation structure of the gas pizza oven of the present application can at least reduce the working environment temperature of the motor 2 by 10 degrees Celsius compared with the prior art. Therefore, the motor 2 can meet the use requirements through the above-mentioned low-cost heat dissipation structure.

[0028] As used in the present application, the terms "first", "second", etc. do not indicate any order, quantity or importance, but are only used for distinction.

[0029] As used in the present application, the terms "one", "a", etc. do not indicate a limitation on the quantity, but indicate the existence of at least one mentioned object.

[0030] As used in the present application, the terms indicating direction or position, such as "front end", "rear end", "top", "bottom", "side", "longitudinal", "transverse", "middle", "center", "outer", "inner", "horizontal", "vertical", "left", "right", "upper", "lower", etc. mean reflecting relative position, not absolute position.

[0031] As used in the present application, the terms "approximately", "entirely", "approximately", "similarly" and the like are used as limiting terms to indicate the existence of characteristics, but allow certain deviations. The amount of allowable deviation can vary depending on the specific context.

Claims

1. A gas pizza oven heat dissipation structure, comprising an oven body and a motor arranged in the oven body, the motor being used to drive a rotating disc in a cooking cavity in the oven body, characterized in that, The bottom of the rotating shaft of the motor extends downward out of the motor, and the bottom of the rotating shaft is drivingly connected with a heat dissipation fan, and the bottom of the furnace body is provided with a heat dissipation hole corresponding to the heat dissipation fan, and the heat dissipation fan guides airflow to flow to the outside through the heat dissipation hole.

2. The gas pizza oven heat dissipation structure according to claim 1, characterized in that, The motor is externally provided with a heat shield, the bottom of the heat shield is open, the heat dissipation fan is arranged in the heat shield, and the bottom of the heat shield extends to be close to the heat dissipation hole.

3. The gas pizza oven heat dissipation structure according to claim 2, characterized in that, The furnace body is internally provided with a support for fixing the motor, the heat shield is connected and fixed with the support, the bottom of the support seals the top of the heat shield, and the top of the rotating shaft of the motor penetrates through the support.

4. The gas pizza oven heat dissipation structure according to claim 2, characterized in that, The heat shield is externally provided with a heat reflection layer.

5. The gas pizza oven heat dissipation structure according to claim 4, characterized in that, The heat shield is externally wrapped with a tin foil layer, and the tin foil layer constitutes the heat reflection layer.

6. The gas pizza oven heat dissipation structure according to claim 2, characterized in that, The bottom of the furnace body is provided with a detachable bottom cover, the detachable bottom cover is provided with the heat dissipation hole, the bottom of the heat shield faces the detachable bottom cover, and after the detachable bottom cover is detached, the motor, the heat shield and the heat dissipation fan can be taken out from the installation position of the detachable bottom cover.

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