CN113384162A

CN113384162A - Baking oven

Info

Publication number: CN113384162A
Application number: CN202010164547.0A
Authority: CN
Inventors: 申东树; 李在棒; 林泰勲; 李璿君
Original assignee: Shanghai Haier Zhongzhifang Maker Space Management Co ltd
Current assignee: Shanghai Haier Zhongzhifang Maker Space Management Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2021-09-14

Abstract

The invention discloses an oven, which comprises a shell, a cooking chamber formed in the shell and a door body movably connected to the shell to open and close the cooking chamber, wherein a first heating device and a second heating device are arranged in the cooking chamber, the first heating device and the second heating device are oppositely arranged along the vertical direction of the cooking chamber, the shell is connected with a lifting device, and the first heating device is arranged on the lifting device; the lifting device comprises a lifting seat, a connecting rod assembly connected to the lifting seat and a motor used for driving the connecting rod assembly to stretch, and a transmission mechanism is arranged between the motor and the connecting rod assembly; the first heating assembly is arranged on the lifting seat, the connecting rod assembly comprises a first connecting rod and a second connecting rod which are connected in a cross pivot mode, the transmission mechanism drives one end of the first connecting rod to move in the horizontal direction, the connecting rod assembly stretches and retracts, and the lifting seat is lifted under the action of the connecting rod assembly. The oven disclosed by the invention is high in heating speed and high in cooking efficiency.

Description

Baking oven

Technical Field

The invention relates to the field of household appliances, in particular to an oven.

Background

At present, the ovens sold on the market basically perform double-sided heating by respectively arranging electric heaters above and below a cooking chamber of the oven, and the positions of the heaters are generally fixed and immovable. The problems with such ovens are: the position of the heater cannot be moved, and the adjustment of the heating temperature is not flexible enough, so that the cooking efficiency is reduced, and the user experience is influenced.

Disclosure of Invention

The invention aims to provide an oven with high cooking efficiency.

In order to achieve the above object, an embodiment of the present invention provides an oven, including a housing, a cooking chamber formed in the housing, and a door movably connected to the housing to open and close the cooking chamber, wherein a first heating device and a second heating device are disposed in the cooking chamber, the first heating device and the second heating device are oppositely disposed along an up-down direction of the cooking chamber, the housing is connected to a lifting device, and the first heating device is mounted on the lifting device; the lifting device comprises a lifting seat, a connecting rod assembly connected to the lifting seat and a motor used for driving the connecting rod assembly to stretch, and a transmission mechanism is arranged between the motor and the connecting rod assembly; the first heating assembly is arranged on the lifting seat, the connecting rod assembly comprises a first connecting rod and a second connecting rod which are connected in a crossed and pivoted mode, the transmission mechanism drives one end of the first connecting rod to move in the horizontal direction, the connecting rod assembly stretches and retracts, and the lifting seat is lifted under the action of the connecting rod assembly.

As a further improvement of an embodiment of the present invention, the transmission mechanism includes a screw and a nut threadedly coupled to the screw; one end of the first connecting rod is driven by the nut;

the motor drives the screw to rotate, and the nut moves along the length direction of the screw so as to drive the first connecting rod.

As a further improvement of an embodiment of the present invention, the first link and the second link are respectively provided in two to constitute two sets of link units, and the two sets of link units are disposed at intervals along a front-rear direction of the oven.

As a further improvement of an embodiment of the present invention, an upper bracket is fixedly connected in the housing, the nut is fixed on the connecting assembly, one end of each of the two first links is pivotally connected to the connecting assembly, and one end of each of the two second links is pivotally connected to the upper bracket.

As a further improvement of an embodiment of the present invention, the connecting assembly includes a supporting member fixedly connected to the nut, and two first synchronization levers respectively fixed to both ends of the supporting member, and one end of each first link is pivotally connected to the corresponding first synchronization lever.

As a further improvement of an embodiment of the present invention, the upper bracket is further provided with two guide rods parallel to the screw rod, and the two guide rods pass through the supporting member;

the motor drives the screw to rotate, and the supporting piece moves along the length direction of the guide rod.

As a further improvement of an embodiment of the present invention, the upper bracket is provided with a first sliding groove extending along a length direction of the screw rod, one end of each of the two synchronizing rods is respectively installed in the corresponding first sliding groove, and the first sliding grooves limit the limit positions of the retraction and the extension of the connecting rod assembly.

As a further improvement of an embodiment of the present invention, the lifting base includes a lifting housing supporting the first heating assembly, and a lower bracket fixed on the lifting housing, the lower bracket is provided with a second sliding slot extending along a length direction of the screw, the other ends of the two first connecting rods are respectively pivotally connected to the lower bracket, the other ends of the two second connecting rods are respectively pivotally connected to the second synchronizing rod, and two ends of the second synchronizing rod are installed in the second sliding slot.

As a further improvement of an embodiment of the present invention, the housing includes an outer housing and an inner housing located inside the outer housing, the link assembly is located at the retracted extreme position, and the lifting base is at least partially hidden in the inner housing.

As a further improvement of an embodiment of the present invention, the motor is disposed at one side of a top of the inner case.

Compared with the prior art, the oven disclosed by the invention has the advantages that the first heating component is arranged at the top of the cooking chamber of the oven, and the second heating component is arranged at the bottom of the cooking chamber, so that double-sided heating can be carried out on food; and to establishing the first heating element at culinary art roof portion, connected elevating gear and adjusted the distance between first heating element and the culinary art room bottom to make food be heated evenly, rate of heating is fast, has improved culinary art efficiency, has promoted user experience.

Drawings

FIG. 1 is a schematic view of an oven according to an embodiment of the present invention;

FIG. 2 is a schematic view of the elevating device of the toaster of FIG. 1;

FIG. 3 is a schematic view of the oven of FIG. 3 from another perspective, showing the lift base;

fig. 4 is a schematic structural view of a lifting base of the lifting device in fig. 3.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

It will be understood that terms used herein such as "upper," "lower," "front," "back," and the like, refer to relative spatial positions of one element or feature with respect to another element or feature as illustrated in the figures for ease of description. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

As shown in fig. 1 to 3, an embodiment of the present invention discloses an oven, which includes a housing 10, a cooking chamber formed in the housing 10, and a door (not shown) movably connected to the housing 10 to open and close the cooking chamber, wherein a first heating device 31 and a second heating device 32 are disposed in the cooking chamber, and the first heating device 31 and the second heating device 32 are disposed opposite to each other along an up-down direction of the cooking chamber to heat food on both sides. Further, the housing 10 is connected to a lifting device 40, and the first heating device 31 is mounted on the lifting device 40, that is, the first heating device 31 can be lifted by the lifting device 40 to adjust the height of the food to be heated.

In this embodiment, the lifting device 40 includes a lifting base 41, a connecting rod assembly 42 connected to the lifting base 41, and a motor 45 for driving the connecting rod assembly 42 to extend and retract, the first heating assembly 31 is disposed on the lifting base 41, and a transmission mechanism 43 is disposed between the motor 45 and the connecting rod assembly 42. The connecting rod assembly 42 includes a first connecting rod 421 and a second connecting rod 422 which are connected in a cross pivot manner, the transmission mechanism 43 drives one end of the first connecting rod 421 to move along the horizontal direction, the connecting rod assembly 42 extends and retracts, and the lifting seat 41 is lifted and lowered under the action of the connecting rod assembly 42. That is to say, the motor 45 transmits power to the transmission mechanism 43, the transmission mechanism 43 drives one end of one of the connecting rods 421 to move, and based on the telescopic characteristic of the connecting rod assembly 42, the lifting seat 41 drives the first heating assembly 31 to move in the vertical direction along with the telescopic of the connecting rod assembly 42, so as to adjust the distance between the first heating assembly 31 and the bottom of the cooking chamber.

In the oven of the present embodiment, the first heating element 31 is disposed on the top of the cooking chamber of the oven, and the second heating element 32 is disposed on the bottom of the cooking chamber, so that the food can be heated on both sides. And to establishing the first heating element 31 at the culinary art roof portion, connected elevating gear 40 and adjusted the distance between first heating element 31 and the culinary art room bottom to make food be heated evenly, rate of heating is fast, has improved culinary art efficiency, has promoted user experience.

As shown in fig. 2 and 4, in the embodiment of the invention, the transmission mechanism 43 includes a screw rod 431 and a nut 432 in threaded connection with the screw rod 431, one end of the first link 421 is driven by the nut 432, the motor 45 drives the screw rod 431 to rotate, and the nut 432 moves along the length direction of the screw rod 431 to drive the first link 421. Through the transmission of screw rod nut for holistic transmission is more steady. Of course, the transmission mechanism may also adopt other structures, such as a rack and pinion transmission, as long as the rotation of the motor 45 can be converted into the linear motion of the end of the first link 421. The first link 421 and the second link 422 form a set of link units, and one end of the first link 421 moves linearly, so that the link units are driven to extend and retract. Preferably, the first connecting rod 421 and the second connecting rod 422 are respectively provided with two connecting rod units to form two groups of connecting rod units, the two groups of connecting rod units are arranged at intervals along the front-back direction of the oven, and the two groups of connecting rod units are arranged, so that the lifting seat 41 can move up and down and is stressed uniformly without deviation.

Further, an upper bracket 51 is fixedly connected to the inside of the housing 10, a nut 432 is fixed to the connecting assembly 60, one end of the two first links 421 is pivotally connected to the connecting assembly 60, and one end of the two second links 422 is pivotally connected to the upper bracket 51. The coupling assembly 60 is provided to facilitate the transfer of the movement of the nut 432 to the first link 421. The connecting assembly 60 includes a supporting member 61 fixedly connected to the nut 432 and two first synchronization rods 62 respectively fixed to two ends of the supporting member 61, one end of each first connection rod 421 is pivotally connected to the corresponding first synchronization rod 62, if one end of the first connection rod 421 can be provided with a through hole, the first synchronization rod 62 passes through the through hole to realize the pivotal connection and can drive one end of the first connection rod 421 to move, and the assembly is more convenient. The upper bracket 51 is further provided with two guide rods 53 parallel to the screw 31, the two guide rods 53 pass through the support 61, the motor 45 drives the screw 431 to rotate, the support 61 moves along the length direction of the guide rods 53, and meanwhile, the support 61 drives one end of the first connecting rod 421 to move along the length direction of the guide rods 53 through the first synchronizing rod 62, so that the support and the guide of the support 61 are realized by the guide rods 53. By arranging the supporting piece 61 and the first synchronizing rod 62, the telescopic motion of the two groups of connecting rod assemblies is synchronous, and meanwhile, under the action of the guide rod 53, the two groups of connecting rod assemblies drive the lifting seat 41 to move, so that the front and the back of the lifting seat 41 cannot deflect. In addition, the upper bracket 51 is further provided with a first sliding slot 511 extending along the length direction of the screw 431, one end of each of the two synchronization rods 62 is respectively installed in the corresponding first sliding slot 511, and the first sliding slot 511 defines the limit positions of the retraction and the extension of the connecting rod assembly 41.

With continued reference to fig. 1 through 4, the housing 10 includes an outer housing 11 and an inner housing 12 located inside the outer housing 11, and the motor 45 may be disposed at one side of the top of the inner housing 11, thereby saving space within the oven. The link assembly 42 is in the retracted extreme position and the lifting base 41 is at least partially concealed from the inner housing 11, which allows a better thermal insulation from the outer oven housing 11. Furthermore, in order to accurately position the elevator base 41 when it moves up and down, a guide structure may be provided between the elevator base 41 and the inner housing 12, thereby being more reliable when the elevator base moves up and down. Further, the lifting seat 41 includes a lifting housing supporting the first heating element 31 and a lower bracket 412 fixed on the lifting housing, the other ends of the two first connecting rods 421 are pivotally connected to the lower bracket 412, the lower bracket 412 is provided with a second sliding slot 413 extending along the length direction of the screw 431, the other ends of the two second connecting rods 422 are pivotally connected to the second synchronizing rod 414, and the two ends of the second synchronizing rod 414 are installed in the second sliding slot 413. The upper bracket and the lower bracket are arranged to pivotally support the upper part and the lower part of the two groups of connecting rod assemblies respectively and limit the movement of the two groups of connecting rod assemblies, so that the lifting seat 41 can move more stably when the connecting rod assemblies stretch and retract.

The oven further includes a controller (not shown) to which the first and second heating assemblies 31 and 32 are electrically connected, respectively. The controller can control the two heating assemblies to be respectively turned on or off so as to provide proper cooking temperatures for different foods. Further, the controller may also control the heating power of each heating assembly. In addition, the controller is also electrically connected with the lifting device 40, and the controller can control the movement of the lifting device 40 according to cooking instructions or user instructions, so that the distance between the first heating assembly 31 and the bottom of the cooking chamber can be adjusted as required.

In the embodiment of the present invention, a cooking panel 321 is disposed above the second heating assembly 32, and the cooking panel 321 is fixedly connected to the bottom of the cooking chamber. The cooking panel 321 is provided with a temperature detection module 322. The temperature detection module 322 is specifically a temperature sensor. The temperature sensor can sensitively detect the temperature of the food in real time, so that the power of the heating device is adjusted to keep the food at a proper temperature, and the food has better mouthfeel finally.

Further, the first heating assembly 31 is a plurality of halogen heating pipes or a plurality of carbon heating pipes. In further embodiments, the first heating assembly may also be other types of induction type high efficiency heaters. The second heating unit 32 is an electromagnetic coil, and the electromagnetic coil is disposed below the cooking panel 321. In the embodiment of the present invention, the heating component disposed at the lower portion of the cooking chamber is an electromagnetic coil, so that when the food is baked, the food can be put into the baking tray made of a magnetic material, and then the baking tray is placed on the cooking panel 321. The magnetic material can conduct magnetism, so that the electromagnetic coil heats food by utilizing the electromagnetic induction principle. Providing the second heating assembly 32 as a solenoid may improve the cooking efficiency of the oven. In further embodiments, the second heating assembly may also be another type of inductive, high efficiency heater.

In the embodiment of the present invention, the outer surface of the oven is further provided with a control panel 70, and the control panel 70 is provided with a touch/press key, through which the temperature/time/power of the cooked food can be set, and different recipes/recipes can be selected. Further, the user may also set the temperature/time/power of cooking through the mobile device. The mobile device can transmit the corresponding cooking instruction to the controller through the wireless receiving module, so that the controller can respectively control the opening and closing of the first heating assembly 31 and the second heating assembly 32 and the power according to the cooking instruction.

According to the oven disclosed by the embodiment of the invention, the first heating component is arranged at the top of the cooking chamber of the oven, and the second heating component is arranged at the bottom of the cooking chamber, so that double-sided heating can be carried out on food; and to establishing the first heating element at culinary art roof portion, connected elevating gear and adjusted the distance between first heating element and the culinary art room bottom to make food be heated evenly, rate of heating is fast, has improved culinary art efficiency, has promoted user experience.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. An oven comprises a shell, a cooking chamber formed in the shell and a door body movably connected to the shell to open and close the cooking chamber, wherein a first heating device and a second heating device are arranged in the cooking chamber, the first heating device and the second heating device are oppositely arranged along the vertical direction of the cooking chamber, the shell is connected with a lifting device, and the first heating device is installed on the lifting device;

the lifting device is characterized by comprising a lifting seat, a connecting rod assembly connected to the lifting seat and a motor used for driving the connecting rod assembly to stretch, wherein a transmission mechanism is arranged between the motor and the connecting rod assembly;

the first heating assembly is arranged on the lifting seat, the connecting rod assembly comprises a first connecting rod and a second connecting rod which are connected in a crossed and pivoted mode, the transmission mechanism drives one end of the first connecting rod to move in the horizontal direction, the connecting rod assembly stretches and retracts, and the lifting seat is lifted under the action of the connecting rod assembly.

2. The oven of claim 1, wherein said drive mechanism comprises a threaded rod and a nut threadedly coupled to said threaded rod; one end of the first connecting rod is driven by the nut;

3. The oven of claim 2, wherein the first link and the second link are respectively provided in two to constitute two link units, the two link units being spaced apart in a front-rear direction of the oven.

4. The oven of claim 3 wherein an upper bracket is fixedly attached to said housing, said nut is secured to said connecting assembly, one end of said two first links is pivotally attached to said connecting assembly, and one end of said two second links is pivotally attached to said upper bracket.

5. The oven of claim 4, wherein the coupling assembly comprises a support member fixedly coupled to the nut and two first synchronization bars fixed to both ends of the support member, respectively, one end of each first link being pivotally coupled to the corresponding first synchronization bar.

6. The oven of claim 5, wherein said upper bracket further comprises two guide rods parallel to said threaded rod, said two guide rods passing through said support member;

7. The oven of claim 5, wherein the upper bracket is provided with a first sliding slot extending along the length direction of the screw rod, one end of each of the two synchronization rods is respectively installed in the corresponding first sliding slot, and the first sliding slot defines the limit positions of the retraction and the extension of the connecting rod assembly.

8. The oven according to claim 3, wherein the lifting base comprises a lifting housing for supporting the first heating assembly and a lower bracket fixed to the lifting housing, the lower bracket is provided with a second sliding slot extending along the length direction of the screw, the other ends of the two first connecting rods are respectively pivotally connected to the lower bracket, the other ends of the two second connecting rods are respectively pivotally connected to the second synchronizing rod, and the two ends of the second synchronizing rod are installed in the second sliding slot.

9. The oven of claim 1, wherein said housing comprises an outer housing and an inner housing positioned within the outer housing, said linkage assembly being in a retracted extreme position, said lift block being at least partially concealed from said inner housing.

10. The oven of claim 9, wherein said motor is disposed on one side of a top of said inner housing.