KR102348147B1 - Air fryer - Google Patents

Abstract

The present invention relates to an air fryer including: a fryer main body having an inner chamber and an inlet connected to the chamber and open forward; a door in charge of opening and closing the inlet of the main body; trays for frying object placement disposed in the chamber of the main body at predetermined up-down intervals; a frying object heating unit disposed above the tray that is uppermost among the trays in the chamber of the main body; an intake port in the upper surface of the main body; a cover covering the intake port and separated upward; and an exhaust port in the back surface of the main body. The air fryer is simple in structure and can be easily used by anyone. In addition, cooking can be performed with the multistage trays accommodating more frying objects.

Description

Air fryer {AIR FRYER}

The present invention relates to an air fryer having a simple structure, easy to use by anyone, and safe to open and close.

In order to cook fried foods such as french fries or other whole chicken and pork cutlet at restaurants or general homes, it is common to heat a cooking pan filled with cooking oil to heat the cooking oil to a certain temperature or higher, then put the cooking object in the oil and fry it. .

These cooking objects may be prepared from frozen, refrigerated, room temperature, or warm temperature conditions, and a typical high-efficiency fatty oil fryer usually used in a fast food environment is used.

However, as interest in health has recently increased, consumers place a high value on healthy food prepared using less oil or fat. However, it is known that it is not good for health to enjoy the unique flavor that can only be tasted in fried foods, but these foods are still highly popular.

An air fryer is disclosed that compensates for the above-mentioned disadvantage of frying a cooking object in oil. The air fryer allows you to cook crispy fries in hot, hot air without oil. The unique combination of fast circulating air and oven components makes frying quick and easy.

As a technology related to such an air fryer,

Korea Utility Model Publication No. 20-2020-0000964 (published on May 14, 2020, hereinafter referred to as 'Document 1') 『Air Fryer』 is presented,

Document 1 discloses a fryer body provided with a fryer chamber; a frying storage unit detachably coupled to the fryer body in the area where the fryer chamber is provided and storing the frying object; and a heating unit provided in the fryer body to heat the object to be fried, and the area provided with the handle of the frying storage unit is provided to be transparent or translucent, so that the food, which is the object to be fried, can be fried with hot hot air without oil. is a technique about

As another technology, the Republic of Korea Utility Model Registration No. 20-0491925 (Registered on June 25, 2020, hereinafter referred to as 'Document 2') 『Improved Air Fryer』 is proposed,

Document 2 discloses a fryer body provided with a fryer chamber; and a fry storage unit detachably coupled to the fryer body in the region in which the fryer chamber is provided and storing the frying object, the frying storage unit storing the frying object and coupled to the first body and the first body provided with the first transparent part, the second It is a technology related to an improved air fryer that includes a second body having a transparent part, and a space part is provided between the first transparent part and the second transparent part, so that the fried state of food can be safely checked.

As another technology, the Republic of Korea Utility Model Registration No. 20-0490438 (Registered on Nov. 5, 2019, hereinafter referred to as 'Document 3') 『Air Fryer』 is proposed,

Document 3 discloses a main body, a driving member disposed on one side of the body, a heating member disposed in the body to generate thermal energy, a first fan for circulating thermal energy generated by the heating member, the driving member and the A rotation shaft connecting the first fan, a partition plate partitioning an area in which the heating member is installed and an area in which the driving member is installed and having a through hole through which the rotation shaft passes, is disposed between the driving member and the partition plate By including a rotation support unit that supports the rotation of the rotating shaft, steam is prevented from flowing into the region where the driving member is installed, and the temperature of the region where the driving member is installed is raised to a high temperature, thereby reducing the lifespan of the driving member caused by damage to the driving member. It is the technology of the air fryer that can reduce it.

Document 1. Korea Utility Model Publication No. 20-2020-0000964 (published on May 14, 2020) Document 2. Republic of Korea Utility Model Registration No. 20-0491925 (Registered on June 25, 2020) Document 3. Republic of Korea Utility Model Registration No. 20-0490438 (2019.11.05.Registration)

It is an object of the present invention to provide an air fryer that can prevent a safety accident caused by opening the door in advance by forcibly locking the door while cooking the fried object.

In order to solve the above problems, the air fryer according to the present invention,

a fryer body having an inner chamber and an inlet connected to the chamber and having a front opening;

a door responsible for opening and closing the entrance of the main body;

a plurality of trays disposed at regular intervals in the upper and lower chambers of the main body and on which fried objects are placed;

a heating unit disposed on the upper side of the tray located at the top of each tray in the chamber of the main body to heat the fried object;

an intake port formed on the upper surface of the body;

a cover that covers the intake port and is disposed to be spaced apart from each other; and

an exhaust port formed on the rear surface of the body;

It is characterized in that it includes.

Air fryer according to the present invention,

The door can be automatically and forcibly locked when cooking the fried object to prevent safety accidents caused by opening the door in advance. It has the greatest effect of preventing the door from being opened without a separate operation in the state that it does not go down below.

1 is a front view showing an air fryer according to the present invention;
Figure 2 is a side configuration view of Figure 1;
3 is a cross-sectional configuration view of FIG. 2;
4 is a cross-sectional configuration view showing a partially enlarged and door open state of FIG. 3;
5 to 7 are partial cross-sections and operational configuration diagrams for showing the holding unit for “A” of FIG. 3 .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention and does not represent all the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be water and variations.

3, the direction of the heater side of the heating unit as lower or lower, and the fan side as upper or upper direction will be specified.

1 to 7, the air fryer according to the present invention,

It largely consists of a fryer body 10 , a door 20 , a tray 30 , a heating unit 40 , an intake port 50 , a cover 60 , and an exhaust port 70 .

Looking at each configuration,

The body 10 is

As shown in Figures 1 to 3,

The inner chamber 11 and the inlet 12 connected to the chamber 11 and opened at the front

It consists of a housing structure comprising a.

In particular, the inner wall constituting the chamber 11 is preferably coated with a metal material having excellent conductivity or provided with a thin metal plate.

In addition, a display 13 is further provided on the upper side of the entrance 12 from the front of the main body 10, and the display 13 displays various cooking information and cooking time while displaying various kinds of cooking information and cooking time, and a capacitive touch type panel. can be operated by applying .

And, as shown in FIG. 3 , a pair of supports 111 are provided on both inner walls of the chamber 11 to face each other, and as the pair of supports 111 are vertically spaced apart from each other, a plurality of The tray 30 can be accommodated by sliding it in a multi-stage form.

The door 20 is

As shown in Figures 1 to 4,

It is for opening and closing the inlet 12 of the main body 10,

As a plate-shaped structure erected up and down, as the lower end is hinged to the lower side of the inlet 12 of the main body 10, it is rotated back and forth based on the hinge axis to open and close.

In particular, as shown in FIG. 1 , a handle 21 is provided at the upper end of the front surface of the door 20 , and the inside of the chamber 11 can be visually confirmed at the lower end of the front surface of the door 20 . So that the see-through window 22 is provided. Here, the see-through window 22 is preferably made of a transparent material such as glass.

The tray 30 is

As shown in Figure 3,

It is arranged at regular intervals up and down in the chamber 11 of the main body 10 and has a rectangular plate-shaped structure on which a fried object is placed.

In particular, it is preferable that the tray 30 is further provided with a fence structure protruding along the upper periphery to prevent the fried object placed on its upper surface from falling.

The heating unit 40 is

As shown in Figure 3,

It is disposed on the upper side of the tray 30 located at the top of each tray 30 in the chamber 11 of the main body 10 to heat the frying object,

A heater 41 disposed on the upper side of the tray 20 located at the uppermost end in the chamber 11 and forming a spiral shape, and

A fan (42) disposed on the upper side of the heater (41)

is made including

At this time, the frying object is cooked using radiant heat generated by circulating hot air heated by high heat of 200° C. or higher generated by the heater 41 in the chamber 11 by the fan 42 .

The intake port 50 is

As shown in Figure 3,

It consists of a space structure formed on the upper surface of the main body (10).

The intake port 50 of this structure serves as a passage through which external air is inhaled.

The cover 60 is

As shown in Figures 1 to 4,

As the intake port 50 is covered and disposed to be spaced upward,

As it is spaced upward in normal circumstances, it is possible to circulate outside air, so it can perform a function of naturally cooling the heat in the chamber 11 of the main body 10, and when the heating unit 40 is operated, manually press or It can be implemented so that the intake port 50 can be closed by automatically lowering it using a separate pneumatic cylinder or the like.

The exhaust port 70 is

As shown in Figure 3,

To be formed on the rear surface of the main body (10),

It may have a structure having a plurality of ventilation holes.

In particular, a first member (not shown) having a hole in the shape of a clover and a second member (not shown) having a hole in the shape of a clover while in contact with it (not shown) are coupled to one shaft, and the second member (not shown) is coupled to the second member using a separate motor or the like. The exhaust port 70 may be opened or blocked by rotating the members so that the holes between them correspond or do not match with each other.

On the other hand, the air fryer according to the present invention further includes a holding unit (80),

The holding unit 80 is

As shown in Figures 4 to 7,

a recess 81 recessed in the upper surface of the door 20 toward the lower side;

a bottom space portion 82 formed to be concave upwardly on a surface facing the recess 81 at the entrance of the main body 10;

A middle space 83 extending upward while expanding in the upper region of the bottom space 82,

A holder having a head 841 disposed to slide up and down in the bottom space 82 and a flange 842 connected thereto and caught on a step formed between the bottom space 82 and the middle space 83 . (84) and

The return spring 85 is disposed between the flange 842 of the holder 84 and the bottom of the bottom space 82 and elastically exerts toward the holder 84 .

is made including

As a result, as shown in FIG. 4 , when the handle 21 of the door 20 is grasped and pulled forward, the head 841 of the holder 84 is released from the recess 81 and the door 20 is opened. When it becomes possible, and is pushed in the opposite direction, the head 841 of the holder 84 is pressed while riding over the peripheral area of the recess 81 , and when it meets the recess 81 , the elastic restoring force of the return spring 85 . The door 20 is fixed by being positioned in the recess 81 while moving by the .

At this time, the holding unit 80 has a push means 86 and a clutch to prevent a safety accident because it can be opened by pulling and holding the handle 21 of the door 20 while the heating unit 40 is operating. Means 87 are further provided.

The pushing means 86 is

It is for pushing and fixing the holder 84 according to the temperature of the heat generated by the heating unit 40,

A top space portion 861 extending upward while being connected to the middle space portion 83;

a relay space 862 connecting the top space 861 and the chamber 11 to each other;

A case 863 disposed in the top space 861 and having an internal accommodating part 863a;

A liquid 864 for pressure generation filled in the accommodating part 863a of the case 863,

The upper end is inserted into the upper part of the case 863 and disposed in the receiving portion 863a, and the lower end passes the flange 842 of the holder 84 and is inserted to slide up and down in the head 841 elevating rod 865

is made of

Here, as the liquid 864 for pressure generation, wax, which expands easily by heat, may be most suitable, and various liquid materials such as high molecular weight sols and gels such as alcohol or polyethylene glycol may be used. can In addition, it is preferable to use a degassed liquid to minimize residual bubbles when generating bubbles. In addition, when an electrolyte (salt, etc.) is added to pure water, the molecules are ionized and the energy required to collapse the molecular structure of the liquid is reduced, so that bubbles can be formed with better efficiency, which is more preferable.

In addition, a rubber 864a is further provided in the lifting rod 865 to make it non-contact from the pressure generating liquid 864 while enclosing the end side located in the case 863 . The rubber 864a prevents the pressure generating liquid 864 from leaking to the outside, and while the pressure generating liquid 864 expands, it deforms under pressure to lower the lifting rod 865 more easily. Conversely, when the pressure is released, the lifting rod 865 is raised more easily by its own elastic restoring force, thereby helping to return it to its original position.

Accordingly, as shown in FIG. 6 , the elevation is caused by the pressure acting on the pressure generating liquid 864 expanded by the heat of the heating unit 40 conducted through the relay space 862 in the chamber 11 . The rod 865 descends to push and fix the holder 84 . When the holder 84 is fixed in this way, even if the handle 21 of the door 20 is grabbed and pulled from the outside, it is not opened.

The clutch means 87 is

It is to release the pushing operation on the holder 84 by raising the pushing means 86 upward,

a piston 871 connected to the upper surface of the case 863;

A part of the piston 871 is built-in, and the piston 871 is moved up and down by selective supply of air, and the pneumatic cylinder body 872 is fixedly mounted to the tower space 861 .

is made of

As a result, when the pneumatic cylinder body 872 is operated through an electrostatic operation button provided on the display 13, the piston 841 rises and the push means 86 is moved upwards, so that the holder The vertical movement of (84) becomes possible.

Accordingly, when cooking is completed, the door 20 can be easily opened by releasing the fixing of the holder 84 using the clutch means 87 .

In the above description of the present invention, with reference to the accompanying drawings, an "air fryer" having a specific shape and structure has been mainly described, but the present invention can be variously modified and changed by those skilled in the art, and such modifications and changes are the characteristics of the present invention. It should be construed as belonging to the scope of protection.

10: body
11: chamber
111: support
12 : entrance
13: display
20 : door
21 : handle
22: sight window
30: tray
40: heating unit
41 : heater
42 : fan
50: intake port
60: cover
70: exhaust port
80: holding unit
81: recess
82: bottom space part
83: middle space part
84: holder
841: head
842: flange
85: return spring
86: push means
861: top space part
862: relay space
863 : Case
863a: receptacle
864: liquid for pressure generation
864a: rubber
865: elevating rod
87: clutch means
871: piston
872: pneumatic cylinder body

Claims (7)

a fryer body 10 having an inner chamber 11 and an inlet 12 connected to the chamber 11 and having a front opening;
a door 20 responsible for opening and closing the inlet 12 of the main body 10;
A plurality of trays 30 are disposed at regular intervals up and down in the chamber 11 of the main body 10 and the frying object is placed;
a heating unit 40 disposed on the upper side of the tray 30 located at the top of each tray 30 in the chamber 11 of the main body 10 to heat the fried object;
an intake port 50 formed on the upper surface of the body 10;
a cover 60 that covers the intake port 50 and is disposed to be spaced apart from each other; and
an exhaust port 70 formed on the rear surface of the main body 10;
including,
A recess 81 formed to be recessed toward the lower side in the upper surface of the door 20, and a bottom space portion formed to be concave upwardly on a surface facing the recess 81 at the entrance of the main body 10 ( 82), a middle space 83 extending upward while expanding in the upper region of the bottom space 82, a head 841 disposed to slide up and down in the bottom space 82, and connected thereto A holder 84 having a flange 842 caught on a step formed between the bottom space 82 and the middle space 83 , and a flange 842 and the bottom space 82 of the holder 84 . ) and further comprising a holding unit 80 comprising a return spring 85 that is disposed between the bottom of the holder 84 and elastically exerts toward the holder 84,
The holding unit 80 is further provided with a pushing means 86 for pushing and fixing the holder 84 according to the temperature of the heat generated by the heating unit 40,
The pushing means 86 includes a top space 861 that extends upward while being connected to the middle space 83 , and a relay space 862 that connects the top space 861 and the chamber 11 to each other. ), a case 863 disposed in the tower space 861 and having an internal accommodating part 863a, and a pressure generating liquid 864 filled in the accommodating part 863a of the case 863, The upper end is inserted into the upper part of the case 863 and disposed in the receiving part 863a, and the lower end passes the flange 842 of the holder 84 and is inserted to slide up and down in the head 841. As a lifting rod 865 The lifting rod 865 is moved by the pressure acting on the pressure generating liquid 864 expanded by the heat of the heating unit 40 conducted from the chamber 11 through the relay space 862 . Air fryer, characterized in that it descends to push and fix the holder (84).
delete delete delete The method of claim 1,
The air fryer, characterized in that the holding unit (80) is further provided with a clutch means (87) for lifting the pushing means (86) upward to release the pushing operation with respect to the holder (84).
6. The method of claim 5,
The clutch means 87 is
a piston 871 connected to the upper surface of the case 863;
A part of the piston 871 is built-in, and the piston 871 is moved up and down by selective supply of air, and the pneumatic cylinder body 872 is fixedly mounted to the top space 861 .
Air fryer, characterized in that consisting of.
7. The method of any one of claims 1 or 5 or 6,
A handle 21 is provided on the upper end of the front surface of the door 20,
Air fryer, characterized in that the see-through window 22 is provided at the lower end of the front surface of the door 20 so that the inside of the chamber 11 can be visually checked.

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