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EP-4430995-B1 - HAND-CRANKED PIZZA OVEN

EP4430995B1EP 4430995 B1EP4430995 B1EP 4430995B1EP-4430995-B1

Inventors

  • WANG, MIN

Dates

Publication Date
20260506
Application Date
20230328

Claims (10)

  1. A hand-cranked pizza oven (100), characterized by comprising: an oven body (1) provided with a cooking chamber; a baking tray (2) rotatably provided in the cooking chamber along an axis extending in an up-down direction; a burner assembly (3) comprising a burning portion (31) extendable into the cooking chamber for roasting ingredients on the baking tray (2); and a hand-cranked driving structure (4) comprising a rocker (41) rotatable around an axis characterized in that said axis is extending in a horizontal direction, and in that it further comprises a driving portion (42) rotatably provided along the axis extending in the up-down direction, and a transmission structure (43) provided between the rocker (41) and the driving portion (42), wherein at least part of the driving portion (42) is configured to be extendable into the cooking chamber to connect to and drive the baking tray (2).
  2. The hand-cranked pizza oven (100) according to claim 1, wherein the rocker (41) is provided with a rocker shaft extending in the horizontal direction; the transmission structure (43) comprises a second bevel gear (432) provided on the rocker shaft and a first bevel gear (431) meshed with the second bevel gear (432); a connection shaft (421) is provided at a middle position of the first bevel gear (431); and the driving portion (42) comprises the connection shaft (421).
  3. The hand-cranked pizza oven (100) according to claim 2, further comprising a connection frame (5) provided in the cooking chamber, wherein a connection hole is provided in a middle of the connection frame (5), and the connection frame (5) comprises a plurality of clamping arms (51) extending towards a periphery thereof; a part of the connection shaft (421) extending into the cooking chamber is provided in the connection hole and is connected to the connection frame (5) for stopping rotation; and the baking tray (2) is provided in the plurality of the clamping arms (51).
  4. The hand-cranked pizza oven (100) according to claim 3, further comprising a plane bearing (6) provided in the cooking chamber, wherein the plane bearing (6) comprises an upper connector (61) and a lower connector (63) distributed in the up-down direction respectively, and a plurality of rolling elements (62) provided between the upper connector (61) and the lower connector (63); the upper connector (61) is rotatably provided relative to the lower connector (63) along the axis extending in the up-down direction; and the upper connector (61) is upwardly connected to the connection frame (5), and the lower connector (63) is downwardly connected to a bottom wall of the cooking chamber.
  5. The hand-cranked pizza oven (100) according to claim 2, wherein a protective shell (44) is detachably provided at a lower end of the oven body (1); and the first bevel gear (431) and the second bevel gear (432) are provided in the protective shell (44).
  6. The hand-cranked pizza oven (100) according to claim 1, wherein the oven body (1) comprises a base (11) and an oven shell (12) covering the base (11), and the cooking chamber is defined between the base (11) and the oven shell (12).
  7. The hand-cranked pizza oven (100) according to claim 1, wherein an opening is provided at an end of the cooking chamber away from the burning portion (31), and the baking tray (2) is provided adjacent to the opening.
  8. The hand-cranked pizza oven (100) according to claim 7, wherein the burning portion (31) comprises a burning pipe provided in the cooking chamber; and a reflecting shell (121) is provided in the cooking chamber, the reflecting shell (121) is covered on the baking tray (2) and the burning pipe for reflection, an upward deflector is provided between the burning pipe and the baking tray (2) to guide a heat flow of the burning pipe upward to a top of the reflecting shell (121); and/or, a downward deflector is provided on a top wall of the reflecting shell (121) to guide the heat flow downward to cover on the baking tray (2).
  9. The hand-cranked pizza oven (100) according to claim 1, wherein the burning portion (31) comprises a burning pipe, an accommodation chamber is defined in the oven body (1), the accommodation chamber is adjacent to the cooking chamber; the baking tray (2), the burning pipe, and the accommodation chamber are provided sequentially at intervals; a ventilation hole (122) is formed on a sidewall of the oven body (1) of the accommodation chamber; and the burner assembly (3) further comprises an air supply pipe (32) and a regulation valve (33) provided on the air supply pipe (32) for adjustment of an amount of air supplied by the burning pipe, the air supply pipe (32) is provided in the accommodation chamber, and the regulation valve (33) is extended out from the top of the oven body (1) corresponding to the accommodation chamber.
  10. The hand-cranked pizza oven (100) according to claim 1, wherein the burning portion (31) comprises a burning pipe provided in the cooking chamber; and a bottom wall of the cooking chamber is provided with an air inlet (111) corresponding to the burning pipe.

Description

TECHNICAL FIELD The present disclosure relates to the technical field of cooking equipment, and in particular to a hand-cranked pizza oven. BACKGROUND The pizza is a kind of traditional western food and favorable all over world due to globalization. With the development of diversity in social life, special cooking equipment for various foods are developing towards the miniaturization and portability, such as pizza ovens. Small shops, fast food restaurants on the street, and individuals all want to make their own pizzas, which will be possible with the improvement of pizza ovens. Thus, pizzas are no longer only made by pizzerias with fixed ovens. In the present market, especially in the European and American markets, the baking tray and heating assembly are integrated in the oven body of the present pizza baking equipment, which requires the external gas to bake the pizza, the volume of the pizza baking equipment is reduced to occupy a smaller space for shop operators to bake pizza, and to also allow individuals to have a portable pizza baking machine at home or on a picnic. Among these pizza baking equipment, there is a type of pizza oven which controls the rotation of the baking tray by a handle to heat the pizza evenly. Although this kind of pizza oven is smaller than traditional pizza ovens, its' handle transmission mechanism is easy to fail during operation. A pizza oven according to the prior art is disclosed in US2022/279799. SUMMARY The main purpose of this present disclosure is to provide a hand-cranked pizza oven with low failure rate and easy maintenance. To achieve the above object, the present disclosure provides a hand-cranked pizza oven, including: an oven body, a baking tray, a burner assembly, and a hand-cranked driving structure. the oven body is provided with a cooking chamber. The baking tray is rotatably provided in the cooking chamber along an axis extending in an up-down direction; the burner assembly includes a burning portion extendable into the cooking chamber for roasting ingredients on the baking tray;the hand-cranked driving structure includes a rocker rotatable around an axis extending in a horizontal direction, a driving portion rotatably provided along the axis extending in the up-down direction, and a transmission structure provided between the rocker and the driving portion, at least part of the driving portion is configured to be extendable into the cooking chamber to connect to and drive the baking tray. In an embodiment, the rocker is provided with a rocker shaft extending in the horizontal direction; the transmission structure includes a second bevel gear provided on the rocker shaft and a first bevel gear meshed with the second bevel gear;a connection shaft is provided at a middle position of the first bevel gear; andthe driving portion includes the connection shaft. In an embodiment, the hand-cranked pizza oven further includes a connection frame provided in the cooking chamber, a connection hole is provided in a middle of the connection frame, and the connection frame includes a plurality of clamping arms extending towards a periphery of the connection frame; a part of the connection shaft extending into the cooking chamber is provided in the connection hole and is connected to the connection frame for stopping rotation; andthe baking tray is provided in the plurality of the clamping arms. In an embodiment, the hand-cranked pizza oven further includes a plane bearing provided in the cooking chamber, the plane bearing includes an upper connector and a lower connector distributed in the up-down direction respectively, and a plurality of rolling elements provided between the upper connector and the lower connector; the upper connector is rotatably provided relative to the lower connector along the axis extending in the up-down direction; andthe upper connector is upwardly connected to the connection frame, and the lower connector is downwardly connected to a bottom wall of the cooking chamber. In an embodiment, a protective shell is detachably provided at a lower end of the oven body; and the first bevel gear and the second bevel gear are provided in the protective shell. In an embodiment, the oven body includes a base and an oven shell covering the base, and the cooking chamber is defined between the base and the oven shell. In an embodiment, an opening is provided at an end of the cooking chamber away from the burning portion, and the baking tray is provided adjacent to the opening. In an embodiment, the burning portion includes a burning pipe provided in the cooking chamber; and a reflecting shell is provided in the cooking chamber, the reflecting shell is covered on the baking tray and the burning pipe for reflection, an upward deflector is provided between the burning pipe and the baking tray to guide a heat flow of the burning pipe upward to a top of the reflecting shell; and/or,a downward deflector is provided on a top wall of the reflecting shell to guide the hea