WO2022080933A1

WO2022080933A1 - Gas pressure regulating apparatus and cooking appliance having same

Info

Publication number: WO2022080933A1
Application number: PCT/KR2021/014336
Authority: WO
Inventors: 박근용; 이유섭; 오근석; 정상진; 조풍연
Original assignee: 삼성전자주식회사
Priority date: 2020-10-15
Filing date: 2021-10-15
Publication date: 2022-04-21
Also published as: US20230235881A1

Abstract

A gas pressure regulating apparatus is disclosed. The disclosed gas pressure regulating apparatus comprises: a main body having an outlet; a pressure regulating part arranged in the main body and including a diaphragm for maintaining the pressure of a gas flowing through the outlet to be constant; and an inflow connection part protruding from the main body and having an inlet that communicates with the inside of the main body, as the inflow connection part to which an external gas supply pipe is coupled, wherein the inflow connection part comprises a reinforcement portion that is formed at one end of the inflow connection part along the perimeter of the inlet and recessed in a direction in which an external gas supply pipe is fastened to the inflow connection part.

Description

Gas pressure regulator and cooking appliance having same

The present invention relates to a gas pressure regulating device and a cooking appliance having the same, and more particularly, to a gas pressure regulating device having an improved structure and a cooking appliance having the same.

BACKGROUND ART In general, a cooking appliance is an appliance that cooks food by heating, and is largely divided into a method of generating heat for heating food using electricity and a method of generating heat for heating food by burning gas.

A cooking appliance having a gas burner device can cook food using gas as fuel. The gas burner device burns the gas and injects a flame to heat the cooking container containing the food.

A gas pressure regulator may be used to keep the pressure of the gas supplied to the gas burner device constant.

Disclosed is a gas pressure regulating device capable of preventing cracks due to stress concentration of an inlet connection part fastened to an external gas supply pipe.

Disclosed is a gas pressure regulating device capable of preventing cracks due to stress concentration of a connecting member coupled to an extension pipe.

Disclosed is a gas pressure regulator capable of preventing bimetal from being distorted when the resistance of a hot surface igniter (HIS) is destroyed and a bimetal overcurrent is supplied.

Gas pressure regulating device according to the spirit of the present invention, a body including an outlet; a pressure regulating part formed on the body and including a diaphragm for regulating the pressure of gas flowing into the body through the outlet; and an inlet connecting part to which an external gas supply pipe is fastened, an inlet connecting part protruding from the main body and provided with an inlet communicating with the inside of the main body; It is formed at one end of the part, and may include a reinforcing part recessed in a direction in which the external gas supply pipe is fastened to the inlet connection part.

A female screw type inclined screw having a diameter gradually decreasing in a direction in which the external gas supply pipe is fastened to the inlet connection part may be formed inside the inlet connection part.

The reinforcing unit may include a reinforcing plane formed of a surface along the radial direction of the inlet and a reinforcing fence formed around the reinforcing plane to surround the reinforcing plane.

The inlet may be provided in a circular shape, the reinforcing plane may be provided in a circular shape in which the inlet is formed in the center, and the reinforcing fence may be provided to have a predetermined thickness along an outer diameter of the reinforcing plane.

The reinforcement fence may have a thickness of 2.0 mm or more in a direction in which the external gas supply pipe is fastened to the inflow connection part.

The reinforcing plane may have a diameter of 22.0 mm or more.

a first connecting member coupled to the main body and including a fastening body having a first connecting passage communicating with the outlet therein, and a fastening cylinder protruding from the fastening body toward the outside of the main body and having the first connecting passage formed therein; A second connection member inserted in contact with the inner surface of the first connection passage, the second connection member passing through the outlet and including a second connection passage communicating the interior of the main body and the first connection passage. can do.

It may further include an extension pipe coupled to the outer surface of the fastening cylinder, and a gap between the inner surface of the first connection passage and the outer surface of the fastening cylinder may be formed to have a constant thickness without a step difference.

One end of the second connecting member protrudes into the body, closes the second connecting passage of the second connecting member in a state in contact with one end of the second connecting member, and is separated from one end of the second connecting member and a sealing cap coupled to the bimetal to open the second connection passage of the second connection member in It may include a second sealing part extending from the circumference of the first sealing part and provided to be in contact with or fall off the inner surface of the main body.

One end of the second connecting member protrudes into the body, closes the second connecting passage of the second connecting member in a state in contact with one end of the second connecting member, and is separated from one end of the second connecting member Further comprising a sealing cap coupled to the bimetal to open the second connection passage of the second connection member in the, one end of the second connection member may be provided with an embossed structure in contact with the sealing cap.

One end of the second connecting member protrudes into the body, closes the second connecting passage of the second connecting member in a state in contact with one end of the second connecting member, and is separated from one end of the second connecting member and a sealing cap coupled to the bimetal to open the second connection passage of the second connection member in It may further include a sealing ring provided to be in contact.

The sealing ring may be in the form of a tube including a hollow part therein.

One end of the second connecting member protrudes into the body, closes the second connecting passage of the second connecting member in a state in contact with one end of the second connecting member, and is separated from one end of the second connecting member Further comprising a sealing cap coupled to the bimetal so as to open the second connection passage of the second connection member in the, fixed to the first connection passage and provided to be in contact with the sealing cap together with one end of the second connection member It may further include a sealing ring.

In another aspect, the cooking appliance according to the spirit of the present invention includes a gas pressure regulating device provided so that gas supplied from a cooktop or oven including a gas burner device and an external gas supply pipe is supplied to the gas burner device at a constant pressure, , The gas pressure regulating device includes a main body including an outlet, a diaphragm for maintaining a constant pressure of gas flowing through the outlet, a pressure regulating unit disposed inside the main body, and an external gas supply pipe are fastened an inlet connection part protruding from the main body and provided with an inlet communicating with the inside of the main body, wherein the inlet connecting part is formed at one end of the inlet connecting part along the circumference of the inlet, and the outside of the gas supply pipe may include a reinforcing part recessed in a direction to be fastened to the inlet connection part.

It may further include an extension pipe coupled to the outer surface of the fastening cylinder, and the wall of the fastening cylinder formed by the outer surface of the fastening cylinder from the inner surface of the seating hole may be formed to have a constant thickness without a step difference.

According to the spirit of the present invention, the gas pressure regulating device can effectively disperse the concentration of stress generated when the Teflon tape is gathered by forming a reinforcing part of a recessed shape near the inlet to which the gas is supplied.

According to the idea of the present invention, the gas pressure regulating device is provided so that the wall thickness of the connecting member having the extension pipe fastened therein and the connecting passage formed therein has a constant thickness without a step difference, so that the concentration of stress generated during the fastening process can be effectively dispersed.

By inserting a fuse into the circuit between the ignition device (HIS; Hot Surface Igniter) and the gas pressure regulator, the resistance of the ignition device (HIS; Hot Surface Igniter) is destroyed and bimetal overcurrent is supplied to prevent the fuse from being blown and twisting the bimetal. can be prevented

1 is a perspective view of a cooking appliance according to an embodiment of the present invention.

2 is a rear perspective view of a cooking appliance according to an embodiment of the present invention.

3 is a perspective view of a gas pressure adjusting device used in a cooking appliance according to an embodiment of the present invention.

FIG. 4 is an enlarged view of region X of FIG. 3 .

5 is a view showing a cross-section A-A of FIG. 3 and a cross-section of an external gas supply pipe fastened to the inflow connection part.

FIG. 6 is an enlarged view of area Y of FIG. 5 .

FIG. 7 is a view of the X region of FIG. 3 as viewed from the front.

FIG. 8 is a view showing a cross section of a distribution unit in a cross section B-B of FIG. 3 in a conventional gas pressure control device.

9 is an enlarged view of the Z region of the conventional gas pressure control device of FIG.

10 is an enlarged view corresponding to FIG. 9 of a gas pressure adjusting device used in a cooking appliance according to an embodiment of the present invention.

11 is a cross-sectional view of a sealing cap of a gas pressure control device used in a cooking appliance according to an embodiment of the present invention.

12 is a cross-sectional view of a sealing cap of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention.

13 is a cross-sectional view of a sealing cap of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention.

14 is a cross-sectional view of a sealing cap of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention.

15 is a cross-sectional view of a sealing cap of a gas pressure control device used in a cooking appliance according to another embodiment of the present invention.

16 is a diagram illustrating a relationship between a hot surface igniter (HIS) and a gas pressure adjusting device used in a cooking appliance according to an embodiment of the present invention.

17 is a perspective view of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention.

18 is an enlarged view of region C of FIG. 17 .

19 is a view of a region C of FIG. 17 as viewed from the front.

The configuration shown in the embodiments and drawings described in this specification is only a preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

In addition, the same reference numerals or reference numerals in each drawing of the present specification indicate parts or components that perform substantially the same functions.

In addition, the terminology used herein is used to describe the embodiments, and is not intended to limit and/or limit the disclosed invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, and one or more other features It does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, terms including an ordinal number, such as "first", "second", etc. used herein may be used to describe various elements, but the elements are not limited by the terms, and the terms are It is used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. The term “and/or” includes a combination of a plurality of related listed items or any of a plurality of related listed items.

On the other hand, the terms "upper", "lower", "upper" and "lower", "upper surface" and "lower surface" used in the following description are defined based on FIG. 1, and by this term, The shape and position are not limited.

In addition, although the fan described below is described as being applied to a ceiling-type air conditioner as an example, it may also be applied to other types of air conditioners such as a stand-type air conditioner or a wall-mounted air conditioner, and other home appliances such as refrigerators and vacuum cleaners can also be applied to

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a cooking appliance according to an embodiment of the present invention. 2 is a rear perspective view of a cooking appliance according to an embodiment of the present invention. 3 is a perspective view of a gas pressure adjusting device used in a cooking appliance according to an embodiment of the present invention.

Referring to FIG. 1 , a cooking appliance 1 according to an embodiment of the present invention may include an oven 20 and a cooktop 10 . The cooktop 10 may be positioned at an upper portion of the cooking appliance 1 , and an oven 20 may be positioned at a lower portion thereof. A cavity (not shown) may be formed in the oven 20 . Food may be accommodated in the cavity.

In FIG. 1 , the cooking appliance 1 is illustrated as including the cooktop 10 and the oven 20 . Alternatively, the cooking appliance 1 may include only the cooktop 10 . That is, the oven 20 may be omitted for the cooking appliance 1 . The cooking appliance 1 may be provided as a built-in or non-built-in type.

The cooktop 10 may include a gas burner device 50 for heating food. The gas burner device 50 may use gas as an energy source. The gas burner device 50 may generate thermal power by burning gas. In FIG. 1 , the cooktop 10 is illustrated as including five gas burner devices 50 , but the number of gas burner devices 50 is not limited thereto. Also, although not shown in the drawings, the gas burner device 50 may be disposed inside the oven 20 as well as the cooktop 10 .

The cooktop 10 may include a support plate 11 . The support plate 11 may form an upper surface of the cooking appliance 1 . The gas burner device 50 may be mounted on the support plate 11 .

The container support member 12 may be disposed on the upper portion of the support plate 11 . The container support member 12 may be provided to place a cooking container (not shown) on it. The container support member 12 may be provided detachably from the support plate 11 . The container support member 12 may be positioned above the gas burner device 50 . The container support member 12 may be provided in plurality.

An oven 20 may be provided under the cooktop 10 . A plurality of racks (not shown) may be provided inside the oven 20 , and a tray (not shown) may be mounted on each rack. Food to be cooked may be accommodated in the tray.

The oven 20 may include a door 21 for selectively opening or closing the front of the cavity. The door 21 may include a see-through part 22 made of a transparent or translucent material so that the cooking state of the food accommodated in the cavity can be visually checked. The see-through part 22 may be provided with multiple glass layers. Multiple glass layers may be spaced apart to allow air for cooling to pass therethrough.

A knob 30 may be provided on the front upper portion of the cooking appliance 1 . The knob 30 may be provided for setting functions of the cooktop 10 and/or the oven 20 . The knob 30 may be provided to operate each gas burner device 50 . By manipulating the knob 30 , the user may set on/off settings, set temperature, set time, and the like. Although it is illustrated that four knobs 30 are provided in FIG. 1 , the present invention is not limited thereto, and the number of knobs 30 can be changed. The number of knobs 30 may be provided to correspond to the number of gas burner devices 50 . Each knob 30 can independently control each gas burner device 50 .

The cooking appliance 1 may include a panel unit 40 . The panel unit 40 may be formed to protrude from the top of the cooktop 10 . The panel unit 40 may include a display 41 for displaying state information of the cooking appliance 1, such as a temperature of a cooking chamber or a cooking state, to a user. A control unit (not shown) electrically connected to the display 41 and controlling the cooking appliance 1 may be disposed inside the panel unit 40 . The display 41 may be disposed adjacent to the knob 30 .

Referring to FIG. 2 , a gas pressure adjusting device 100 for supplying gas to the cooktop 10 and/or the oven 20 may be provided on the rear surface of the cooking appliance 1 .

The pressure of the gas (LPG) is changed according to the temperature and composition, and the changed pressure cannot be supplied to the combustor as it is because the pressure is high. In the gas burner device (50), the pressure must be reduced to an optimum pressure required for complete combustion of the gas. In addition, according to the increase or decrease of the gas consumption in the gas burner device 50, it should be possible to supply at a constant pressure (static pressure). If the gas pressure regulating device 100 breaks down or a crack occurs in the body of the gas pressure regulating device 100 , there is a risk of incomplete combustion or gas leakage.

The gas pressure regulating device 100 used in an embodiment of the present invention is disclosed as being located at the bottom of the rear surface of the cooking appliance 1 in terms of aesthetics or in a structure connected to the external gas supply pipe 60, but the gas pressure regulating device The position of (100) is not limited thereto.

The gas pressure regulator 100 may be variously named, such as a gas pressure regulator (GPR), a pressure regulator, and a pressure regulator. However, in the cooking appliance 1 according to an embodiment of the present invention, the name of the gas pressure adjusting device 100 will be described below.

The gas pressure adjusting device 100 may receive gas from an external gas supply pipe 60 through the inlet 131 (refer to FIG. 4 ). The body 101 of the gas pressure regulating device 100 may include a pressure regulating part 110 and/or a distribution part 120 . The gas pressure regulating device 100 includes the gas supplied from the external gas supply pipe 60 connected to the inlet 131 of the pressure regulating part 110 (refer to FIG. 4 ) the outlet 121 of the distribution part 120 , see FIG. 8 . ) may be supplied to the cooktop 10 and/or the oven 20 through the extension pipe 400 connected to the gas.

The inlet 131 (refer to FIG. 4 ) of the pressure control part 110 may be formed in the inlet connection part 130 of the main body 101 . The external gas supply pipe 60 may be connected to the inlet connection part 130 . The connection structure between the pressure control part 110 , the inflow connection part 130 and the external gas supply pipe 60 will be described in detail later.

The gas pressure adjusting device 100 may be provided with a plurality of outlets 121 (refer to FIG. 8 ) of the distribution part 120 . Two outlets 121 according to an embodiment of the present invention may be provided. Accordingly, two extension pipes 400 may be provided and connected to each outlet 121 . A sealing cap 500 for controlling whether or not the gas flowing out to the outlet 121 is leaked and a bimetal 600 to which the sealing cap 500 is connected may be provided inside the body 101 . The structures of the outlet 121 and the sealing cap 500 will be described later in detail.

A supply pipe 70 connected to the cooktop 10 and/or a supply pipe 80 connected to the oven 20 may be connected to the extension pipe 400 . However, in the gas pressure control device 100 , the number of extension pipes 400 connected to the outlet 121 and the outlet 121 of the distribution part 120 is not limited thereto.

FIG. 4 is an enlarged view of region X of FIG. 3 . 5 is a view showing a cross-section A-A of FIG. 3 and a cross-section of an external gas supply pipe fastened to the inflow connection part. FIG. 6 is an enlarged view of area Y of FIG. 5 . FIG. 7 is a view of the X region of FIG. 3 as viewed from the front.

3 to 5 , the pressure control part 110 may include an air hole 114 , an adjustment spring 112 , and a valve 115 . The pressure control part 110 may receive gas from the external gas supply pipe 60 through the inlet connection part 130 disposed on one side.

The diaphragm 111 may be bent in the vertical direction according to the difference between the pressure and atmospheric pressure of the adjustment spring 112 applied to the upper portion of the diaphragm 111 and the gas pressure applied to the lower portion of the diaphragm 111 . The upper portion of the diaphragm 111 may communicate with the atmosphere through the air hole 114 .

The adjustment spring 112 may be connected to the upper end of the flexible diaphragm 111 . A valve 115 may be connected to a lower end of the diaphragm 111 . The adjustment spring 112 may generate enough force for the adjustment spring 112 to open the valve 115 .

Among the space inside the body 101 shown in FIG. 5 , a lower region of the valve 115 may be defined as a high-pressure part. In addition, among the space inside the body 101 shown in FIG. 5 , the upper area of the valve 115 and the area communicating with the extension pipe 400 for the pressure control part 110 to be connected with the distribution part 120 are combined. It can be defined as a high-pressure part.

The gas fills the inlet 131 in the low-pressure part and the high-pressure part, and the diaphragm 111 may be bent in the vertical direction according to a change in the pressure of the gas. As the diaphragm 111 is bent in the vertical direction, the valve 115 connected to the diaphragm 111 also moves in the vertical direction, and the flow of gas can be controlled by adjusting the opening degree of the region connected from the high-pressure part to the low-pressure part.

4 to 7 , the external gas supply pipe 60 may be connected to the inlet connection part 130 . The external gas supply pipe 60 may supply gas to the inside of the gas pressure control device 100 through the inlet 131 of the pressure control part 110 .

The inlet 131 of the pressure control part 110 may be formed in the inlet connection part 130 of the main body 101 . The external gas supply pipe 60 may include a gas pipe coupling part 61 .

The supply tube of the flexible external gas supply pipe may be fixed to the inlet connection part 130 through the gas pipe coupling part 61 . After the external gas supply pipe 60 approaches the inlet 131 of the pressure regulating part 110 , the gas may be supplied to the inside of the body 101 of the gas pressure regulating device 100 through the inlet 131 . . The direction in which the external gas supply pipe 60 approaches the inlet 131 of the pressure control part 110 is defined as the direction P1 in which the external gas supply pipe 60 is fastened to the inlet connection part 130 . can

The inlet connection part 130 and the gas pipe coupling part 61 of the external gas supply pipe 60 may be coupled through a female screw or a male screw structure. The screw structure of the inlet connection part 130 and the gas pipe coupling part 61 may be provided with an inclined screw structure capable of maintaining high airtightness in consideration of the fact that the type of fluid is gas.

In the inside of the inlet connection part 130 , an inclined screw of a female screw type in which the diameter L1 is gradually reduced along the direction P1 in which the external gas supply pipe 60 is fastened to the inflow connection part 130 may be formed. .

Referring to FIG. 5 , the inlet connection part 130 may have a female screw structure, and the gas pipe coupling part 61 may have a male screw structure. A Teflon tape may be wound around the gas pipe coupling part 61 to improve airtightness.

Conventionally, chamfering has been made so that the gas pipe coupling part 61 can easily enter without a special reinforcing structure around the inlet 131 of the inlet connection part 130 . However, since there is no special reinforcing structure around the inlet 131, the more the gas pipe fastening part 61 on which the Teflon tape is wound is fastened to the inlet connection part 130, the inlet 131 of the inlet connection part 130 Teflon (Teflon) tape was gathered nearby, which could cause a problem of concentration of stress.

When the stress is concentrated near the inlet 131 of the inlet connection part 130 and a crack is generated, the gas that should be supplied only to the inside of the body 101 of the gas pressure adjusting device 100 leaks to the outside. .

In order to prevent the above problems, the reinforcing part 132 may be formed in the inlet connection part 130 of the gas pressure adjusting device 100 according to an embodiment of the present invention.

A reinforcing part 132 may be formed in a region adjacent to the inlet 131 of the inlet connection part 130 . The reinforcing part 132 may be formed at one end of the inlet connection part 130 along the circumference of the inlet 131 . The reinforcing part 132 may be formed by being depressed in a direction in which the external gas supply pipe 60, specifically, the gas pipe fastening part 61 is fastened to the inlet connection part.

The reinforcing part 132 may include a reinforcing plane 134 and a reinforcing fence 135 . The reinforcing plane 134 may be formed as a surface along the radial direction of the inlet 131 . The reinforcing plane 134 may form a bottom surface of the recessed structure of the reinforcing part 132 .

The reinforcement plane 134 according to an embodiment of the present invention may be formed perpendicular to the direction P1 in which the external gas supply pipe 60 is coupled to the inlet connection part 130 . However, the reinforcing plane 134 is not limited thereto, and may be provided to be inclined with a predetermined inclination angle in the direction P1 in which the external gas supply pipe 60 is fastened to the inlet connection part 130 .

The reinforcing fence 135 may surround the reinforcing plane 134 and be formed around the reinforcing plane 134 . The reinforcing fence 135 may be provided in a structure that protrudes in a direction opposite to the direction P1 in which the external gas supply pipe 60 is fastened to the inlet connection part 130 in an area adjacent to the periphery of the reinforcing plane 134 . there is.

The inlet 131 of the inlet connection part 130 according to an embodiment of the present invention may be provided in a circular shape. Accordingly, the reinforcing plane 134 may also be provided in a shape corresponding to the inlet. The reinforcing plane 134 may be provided in a circular shape in which the inlet 131 is formed in the center. That is, the reinforcing plane 134 may be provided in the cross-sectional shape of the donut. However, the shape of the reinforcing plane 134 is not limited thereto. For example, the external gas supply pipe 60 may be provided in the shape of various planes perpendicular or forming a predetermined angle with respect to the direction P1 in which the inlet connection part 130 is fastened.

The reinforcement fence 135 may be provided to have a predetermined thickness along the outer diameter of the reinforcement plane 134 . Referring to FIGS. 4 and 7 , the outer circumference of the reinforcing fence 135 may be provided in a substantially rectangular shape. The reinforcing fence 135 may be provided such that the inlet 131 and the reinforcing plane 134 are disposed at the center. Therefore, the inner circumference of the reinforcement fence 135 may be provided in a circular shape.

The reinforcement fence 135 may have a thickness L2 of 2.0 mm or more in a direction in which the external gas supply pipe 60 is fastened to the inflow connection part 130 . The reinforcing plane 134 may have a diameter of 22.0 mm or more. That is, when the inner circumference of the reinforcement fence 135 is provided in a circular shape, the diameter of the inner circumference of the reinforcement fence 135 may be provided to be 22.0 mm or more.

Through the structure of the inlet connection part 130 of the gas pressure control device 100 fastened to the external gas supply pipe 60 as above, the Teflon tape is gathered near the inlet 131 of the inlet connection part 130. The resulting stress can effectively disperse the concentration. Since the stress is concentrated, it is possible to prevent cracks that may occur in the inlet connection part 130 coupled to the external gas supply pipe 60 of the gas pressure control device 100 in advance.

FIG. 8 is a view showing a cross section of a distribution unit in a cross section B-B of FIG. 3 in a conventional gas pressure control device. 9 is an enlarged view of the Z region of the conventional gas pressure control device of FIG. 10 is an enlarged view corresponding to FIG. 9 of a gas pressure adjusting device used in a cooking appliance according to an embodiment of the present invention.

The gas pressure regulating device 100 is an extension pipe connected to the outlet 121 of the distribution part 120 through which the gas supplied from the external gas supply pipe 60 connected to the inlet 131 (refer to FIG. 4 ) of the pressure regulating part 110 is connected to the outlet 121 of the distribution part 120 . Gas may be supplied to the cooktop 10 and/or the oven 20 through 400 .

The gas pressure regulating device 100 is not provided in a structure in which the extension pipe 400 directly extends from the main body 101, but a separate connecting member is fixed around the outlet 121, and the extension pipe 400 is attached to the connecting member. It may be provided in a structure for supplying gas to the cooktop 10 and/or the oven 20 through the fastening. This is to easily adjust the arrangement angle of the extension pipe 400 with respect to the gas pressure adjusting device 100 so that it can be universally applied to the cooking appliance 1 of various specifications.

The gas pressure control device 100 according to an embodiment of the present invention includes a first connecting member 200 and a first connecting member 200 communicating with the outlet 121 formed in the distribution part 120 of the main body 101 . It may include a second connecting member 300 inserted and fixed to the.

The second connecting member 300 may be referred to as a valve seat.

The first connecting member 200 may be coupled to the main body 101 so as to communicate with the outlet 121 formed in the distribution part 120 of the main body 101 . The first connecting member 200 may include a fastening body 210 that can be fixed to the main body 101 and a fastening cylinder 220 connected to the extension pipe 400 .

The fastening body 210 is coupled to the main body 101 , and a first connection passage 223 communicating with the outlet 121 may be formed therein. The fastening cylinder 220 may protrude from the fastening body 210 toward the outside of the main body. That is, the first connection flow path 223 may be provided to penetrate the inside of the first connection member 200 over the fastening body 210 and the fastening cylinder 220 protruding from the fastening body 210 . The first connection passage 223 may be provided such that an inner diameter of the first connection passage 223 changes from the fastening body 210 to the fastening cylinder 220 .

The extension pipe 400 may be coupled to the outer surface of the fastening cylinder 220 . Specifically, a portion of the outer surface 220a of the fastening cylinder 220 may be provided with a male screw structure, and a female screw structure may be provided on a portion of the extension pipe 400 inserted into the fastening cylinder 220 .

Referring to FIG. 9 , the second connection member 300 may be inserted into contact with the inner surface 224 of the first connection passage 223 . Specifically, the second connecting member 300 may be inserted into the first connecting passage 223 formed in the fastening body 210 of the first connecting member 200 . A portion of the inner surface 224 of the first connection passage 223 is provided with a female screw structure (P), and a male screw structure corresponding to the female screw structure (P) is provided around a partial area of the second connection member 300 . can be

A ring-shaped sealing member 330 may be provided around the other partial region of the second connecting member 300 . The sealing member 330 includes the first connection passage 223 and the second connection passage 223 in a state in which the second connection member 300 is inserted into the first connection passage 223 formed in the fastening body 210 of the first connection member 200 . 2 It performs a function of sealing a minute gap between the connecting members (300).

Referring to FIG. 10 , in the first connection member 200 of the conventional gas pressure control device 100 , a step is formed in a portion extending from the fastening body 210 to the fastening cylinder 220 , and the thickness of this part is was not constant. Accordingly, a problem occurred in that the portion extending from the fastening body 210 to the fastening cylinder 220 is easily damaged while the extension pipe 400 is fastened to the first connecting member 200 .

Therefore, the gap L4 between the inner surface 224 of the first connection passage 223 and the outer surface 220a of the fastening cylinder 220 of the first connection member 200 may be formed to have a constant thickness without a step difference. . Specifically, a first connection passage 223 leading to one end of the first connection member 200 to which the extension tube 400 is fastened from a part of the inner surface 224 of the first connection passage 223 provided with a female screw structure P. may be formed without a step difference.

In particular, the portion R extending from the fastening body 210 to the fastening cylinder 220 may have a large radius of curvature or stress distribution through chamfering of a polygonal structure.

11 is a cross-sectional view of a sealing cap of a gas pressure control device used in a cooking appliance according to an embodiment of the present invention. 12 is a cross-sectional view of a sealing cap of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention. 13 is a cross-sectional view of a sealing cap of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention. 14 is a cross-sectional view of a sealing cap of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention. 15 is a cross-sectional view of a sealing cap of a gas pressure control device used in a cooking appliance according to another embodiment of the present invention.

The gas pressure adjusting device 100 according to an embodiment of the present invention is connected to the sealing cap 500 provided to open and close the second connection passage 310 and the sealing cap 500 to open and close the sealing cap 500 . It may further include a bimetal 600 that implements.

One end 320 of the second connecting member 300 may be provided to protrude into the body 101 . That is, referring to FIG. 11 , it may protrude from the housing of the main body 101 in a direction D2 toward the inside of the main body 101 .

A portion of the inner surface 224 of the first connection passage 223 is provided with a female screw structure (P), and a male screw structure corresponding to the female screw structure (P) is provided around a partial area of the second connection member 300 . It can be as described above.

One end 320 of the second connection member 300 has a female screw structure P formed on a part of the inner surface 224 of the first connection passage 223 to the extent that it protrudes into the interior of the main body, and the second connection member ( 300) may be adjusted according to the amount of fastening of the male screw structure corresponding to the female screw structure P formed on the periphery of the partial region.

The sealing cap 500 closes the second connection passage 310 of the second connection member 300 in a state in contact with the one end 320 of the second connection member 300 and one end of the second connection member 300 ( It may be coupled to the bimetal so as to open the second connection passage 310 of the second connection member 300 in a state away from the 320 . The sealing cap 500 may be made of an elastic material.

When a gap is formed by intervening a fine foreign material between one end 320 of the second connecting member 300 and the sealing cap 500 , despite the situation in which the user is not using the cooking appliance 1 through this gap , there was a problem that the gas was continuously leaked to the outside through the gas burner device 50 .

In order to prevent this, it may be necessary to improve the shape of the sealing cap 500 or to add a separate sealing structure to the second connecting member 300 .

Referring to FIG. 11 , the sealing cap 500 used in the gas pressure regulating device 100 according to an embodiment of the present invention has a first sealing part provided to contact or fall off one end of the second connecting member 300 . 510 and the second sealing part 520 extending from the circumference of the first sealing part 510 and provided to be in contact with or fall off the inner surface of the main body 101 .

Since one end 320 of the second connecting member 300 is provided to protrude into the body 101 , the thickness in the D2 direction is provided such that the second sealing part 520 is larger than the first sealing part 510 . can be Therefore, the first sealing part 510 primarily seals the one end 320 of the second connecting member 300 protruding into the inside of the body 101 , and the second sealing part 520 is the main body 101 . It may be provided to secondaryly seal in contact with the inner surface.

Therefore, even if a fine foreign material intervenes between the first sealing part 510 and the one end 320 of the second connecting member 300 , since the second sealing part 520 seals the second sealing part 520 , the gas is continuously released into the gas burner. It is possible to prevent a problem of leaking to the outside through the device 50 .

Referring to FIG. 12 , one end 320 of the second connecting member 300 used in the gas pressure adjusting device 100 according to another embodiment of the present invention has an embossed structure in which the portion in contact with the sealing cap 500 is provided. can be The embossing structure according to another embodiment of the present invention may be provided with a plurality of convex and concave-convex structures protruding from one end 320 of the second connecting member 300 in the direction D2 toward the inside of the main body 101 .

The sealing cap 500 used for the one end 320 of the second connecting member 300 used in the gas pressure adjusting device 100 according to another embodiment of the present invention includes only the first sealing portion 510. shown, but not limited thereto. For example, as shown in FIG. 11 , the sealing cap 500 may include both the first sealing part 510 and the second sealing part 520 .

Due to the above structure, even if a fine foreign material is intervened between the sealing cap 500 and the one end 320 of the second connecting member 300, the foreign material is inserted between the embossed structures, and the uppermost end of the embossed structure and the sealing cap ( Since the airtightness between the 500) is maintained, it is possible to prevent the problem that the gas continuously flows out through the gas burner device 50 to the outside.

13 and 14, the sealing cap 60 and the area adjacent to the one end 320 of the second connecting member 300 used in the gas pressure control device 100 according to another embodiment of the present invention. A sealing ring 530 may be provided on the outer circumference.

The sealing ring 530 may be in close contact with the periphery of the area adjacent to the sealing cap 500 of the one end 320 of the second connecting member 300 to maintain a fixed state. The upper end of the sealing ring 530 may be provided to be in contact with the sealing cap 500 together with the one end 320 of the second connecting member 300 .

The sealing ring 530 may include a ring-shaped hollow 531 corresponding to the shape of the sealing ring 530 therein, as shown in FIG. 14 .

The sealing cap 500 used for the one end 320 of the second connecting member 300 used in the gas pressure adjusting device 100 according to another embodiment of the present invention includes only the first sealing portion 510. It is shown, but is not limited thereto. For example, as shown in FIG. 11 , the sealing cap 500 may include both the first sealing part 510 and the second sealing part 520 .

With the above structure, the area of the area in contact with the sealing cap 500 may be expanded without additional changes in the manufacturing process of the second connection member 300 to more effectively open and close the second connection passage 310 .

15 , on the inner circumference of the area adjacent to the sealing cap 60 of the one end 320 of the second connecting member 300 used in the gas pressure adjusting device 100 according to another embodiment of the present invention An inner sealing part 540 may be provided.

The inner sealing part 540 may be provided in a substantially ring shape. One end of the inner sealing part 540 is fixed to the inner sealing part fixing groove 340 formed inside the second connecting member 300 , and the other end is a sealing cap together with one end 320 of the second connecting member 300 . It may be provided to be in contact with 500 .

The gas burner device 50 of the cooking appliance according to an embodiment of the present invention may be provided to ignite through an ignition device 900 (HIS; Hot Surface Igniter) when gas is ejected. When the sealing cap 500 falls from one end of the second connecting member 300 in the distribution part 120 of the gas pressure control device 100 , the gas is supplied, and the gas is ejected through the gas burner device 50 . Since the ignition device 900, HIS; Hot Surface Igniter) needs to be ignited, the ignition device 900, HIS; Hot Surface Igniter) and the gas pressure regulator 100 may be electrically connected.

When the resistance of the ignition device 900 (HIS; Hot Surface Igniter) is destroyed and an overcurrent is supplied to the bimetal 600 and heat is generated, the bimetal 600 is twisted, so that the sealing cap 500 of the second connection member 300 is Stay away from one end. Accordingly, there is a problem in that gas is continuously leaked to the outside through the gas burner device 50 even though the user is not using the cooking appliance 1 .

Therefore, by inserting the fuse 700 into the circuit between the ignition device 900 (HIS; Hot Surface Igniter) and the gas pressure regulator 100, the resistance of the ignition device 900, HIS; Hot Surface Igniter is destroyed, so that the bimetal 600 ) When an overcurrent is supplied, the fuse 700 is blown, thereby preventing the bimetal 600 from being twisted.

17 is a perspective view of a gas pressure adjusting device used in a cooking appliance according to another embodiment of the present invention. 18 is an enlarged view of region C of FIG. 17 . 19 is a view of a region C of FIG. 17 as viewed from the front.

Referring to FIG. 17 , the gas pressure regulating device 100 used in the cooking appliance according to another embodiment of the present invention is different from the gas pressure regulating device 100 used in the cooking appliance according to the embodiment of the present invention. It may include the provided inlet connection part (130a).

Other than the inlet connection part 130a, components not described separately may be provided in the same manner as the gas pressure adjusting device 100 of the cooking appliance according to an embodiment of the present invention, and may include the same reference numerals.

For example, the gas pressure regulating device 100 for a cooking appliance according to another embodiment of the present invention has the same pressure regulating part 110 as the gas pressure regulating device 100 for a cooking appliance according to an embodiment of the present invention. ) and may include a body 101 including a distribution part 120 .

The gas pressure regulating device 100 includes the gas supplied from the external gas supply pipe 60 (refer to FIG. 2 ) connected to the inlet 131 (refer to FIG. 18 ) of the pressure regulating part 110 through the outlet 121 of the distribution part 120 . , see FIG. 8 ) may supply gas to the cooktop 10 and/or the oven 20 through the extension pipe 400 .

In addition, the inflow connection part 130a of the cooking appliance according to another embodiment of the present invention is connected to an external gas supply pipe in the same manner as the inflow connection part 130 of the cooking appliance according to the embodiment of the present invention. do. Therefore, this will not be separately described.

18 to 19 , the gas pressure regulating apparatus 100 of a cooking appliance according to another embodiment of the present invention may include an inlet connection part 130a.

The inlet connection part 130a may include an inlet 131a.

A reinforcing part 132a may be formed in the inflow connection part 130a. The reinforcing part 132a may be formed at one end of the inlet connection part 130a along the circumference of the inlet 131a.

The reinforcing part 132a may be formed by being depressed in a direction in which the external gas supply pipe 60, specifically, the gas pipe fastening part 61 is fastened to the inlet connection part 130a.

The reinforcing part 132a may include a reinforcing plane 134a and a reinforcing fence 135a.

The reinforcing plane 134a may be formed as a surface along the radial direction of the inlet 131a. The reinforcing plane 134a may form a bottom surface of the recessed structure of the reinforcing part 132a.

The reinforcing plane 134a according to an embodiment of the present invention may be formed perpendicular to a direction in which the external gas supply pipe 60 is fastened to the inlet connection part 130a.

However, the shape of the reinforcing plane 134a is not limited thereto, and may be provided to be inclined with a predetermined inclination angle in the direction in which the external gas supply pipe 60 is coupled to the inflow connection part 130a.

The reinforcing fence 135a surrounds the reinforcing plane 134a and may be formed around the reinforcing plane 134a. The reinforcing fence 135a may be provided in a structure that protrudes in a direction opposite to the direction in which the external gas supply pipe 60 is fastened to the inflow connection part 130a in an area adjacent to the periphery of the reinforcing plane 134a.

The inlet 131a of the inlet connection part 130a according to another embodiment of the present invention may be provided in a circular shape. Accordingly, the reinforcing plane 134a may also be provided in a shape corresponding to the inlet 131a. That is, the reinforcing plane 134a may be provided in a circular shape in which the inlet 131a is formed in the center.

A diameter of the inlet 131a may be approximately 24.0 mm or more. Preferably, the diameter of the inlet (131a) may be provided to be approximately 24.0mm.

However, the shape of the reinforcing plane 134a is not limited thereto. For example, the shape of the reinforcing plane 134a may be provided in various plane shapes that are perpendicular to or form a predetermined angle with respect to a direction in which the external gas supply pipe 60 is coupled to the inflow connection part 130a.

The reinforcing fence 135a may be provided to have a predetermined thickness along the outer diameter of the reinforcing plane 134a. The reinforcing fence 135a may be provided such that the inlet 131a and the reinforcing plane 134a are disposed at the center thereof. Accordingly, the inner circumference of the reinforcing fence 135a may be provided in a circular shape.

Referring to FIG. 19 , the reinforcing fence 135a may be provided to have a predetermined thickness outward in the radial direction of the reinforcing plane 134a. The reinforcement fence 135a may be provided to have an inner circumference and an outer circumference. The inner circumference of the reinforcing fence 135a may be provided in a circular shape.

Accordingly, the length of the diameter of the inner circumference of the reinforcing fence 135a may be the same as the length of the diameter of the reinforcing plane 134a. The length of the diameter of the reinforcing plane 134a may be approximately 24.0 mm or more, which is the same as the diameter of the inlet 131a.

The lower thickness h1 of the reinforcing fence 135a may be provided to be 6.0 mm or more.

The lower thickness h1 of the reinforcing fence 135a may mean a minimum distance between the inner perimeter and the outer perimeter of the lower portion of the reinforcing fence 135a.

In addition, the thickness h2 of the left side of the reinforcing fence 135a may be provided to be 6.0 mm or more.

The left thickness h2 of the reinforcing fence 135a may mean a minimum distance between the inner perimeter and the outer perimeter of the left portion of the reinforcing fence 135a.

In addition, the thickness h3 on the right side of the reinforcement fence 135a may be provided to be 6.0 mm or more.

The right thickness h2 of the reinforcing fence 135a may mean a minimum distance between the inner circumference and the outer circumference in a right portion of the reinforcing fence 135a.

The upper thickness h4 of the reinforcing fence 135a may be provided to be 6.0 mm or more.

The upper thickness h4 of the reinforcing fence 135a may mean a minimum distance between the inner perimeter and the outer perimeter of the upper portion of the reinforcing fence 135a.

Accordingly, the reinforcement fence 135a may be provided to have a thickness of at least 6.0 mm in a direction perpendicular to a direction in which the external gas supply pipe 60 is fastened to the inflow connection part 130a.

In addition, the reinforcement fence 135a may have a thickness of 4.0 mm or more in a direction in which the external gas supply pipe 60 is fastened to the inflow connection part 130a. This is the length from the point where the reinforcement plane 134a and the reinforcement fence 135a are connected to the front surface of the reinforcement fence 135a. That is, the length of the reinforcing fence 135a protruding outward from the reinforcing plane 134a.

Therefore, the inlet connection part 130a of the gas pressure regulating device of the cooking appliance according to another embodiment of the present invention is reinforced than the inflow connection part 130 of the gas pressure regulating device of the cooking appliance according to the embodiment of the present invention. The portion 132a may be formed to be thick. In more detail, the reinforcement fence 135a of the reinforcement part 132a may be formed to be thick.

Through this, it is possible to more effectively disperse the concentration of stress generated by the Teflon tape gathering near the inlet 131a of the inlet connection part 130a. Since the concentration of stress is dispersed, cracks that may occur in the inlet connection part 130a coupled to the external gas supply pipe 60 of the gas pressure adjusting device 100 can be prevented in advance.

In addition, the reinforcing fence 135a of the inlet connection part 130a of the gas pressure adjusting device of the cooking appliance according to another embodiment of the present invention may be provided with a different upper shape and a different lower shape.

More specifically, the shape of the lower portion of the reinforcing fence 135a may be provided to extend obliquely downward from the side of the reinforcing fence 135a. Through this, the strength of the reinforcing part 132a may be further increased.

In addition, the reinforcement fence 135a of the inlet connection part 130a of the gas pressure adjusting device of the cooking appliance according to another embodiment of the present invention is not limited to the above-mentioned bar, and the external gas supply pipe 60 is an inflow connection part. The thickness in the direction to be fastened to 130a may be provided to be 2.0 mm or more.

That is, as the protruding length of the reinforcing fence 135a protruding from the reinforcing plane 134a is made smaller, the inlet connection part 130a and the gas pipe coupling part 61 of the external gas supply pipe 60 come into contact with each other. This can be widened, so that airtightness can be secured.

Alternatively, the diameter of the inlet 131a of the inlet connection part 130a of the gas pressure control device of the cooking appliance according to another embodiment of the present invention may be provided to be 27.0 mm or more.

In other words, the length of the diameter of the reinforcing plane 134a of the inlet connection part 130a may be approximately 27.0 mm or more, which is the same as the diameter of the inlet 131a.

This increases the contact area between the gas pipe coupling part 61 of the external gas supply pipe 60 and the inflow connection part 130a to further secure airtightness.

In addition, in terms of maximally increasing the airtightness, the thickness of the reinforcement fence 135a in the direction in which the external gas supply pipe 60 is fastened to the inflow connection part 130a is provided to be 2.0 mm or more and at the same time the inflow connection part 130a) The diameter of the inlet 131a of the may be provided to be 27.0mm or more.

In the above, specific embodiments have been shown and described. However, it is not limited only to the above-described embodiments, and those of ordinary skill in the art to which the invention pertains can make various changes without departing from the spirit of the invention described in the claims below. .

Claims

a body including an outlet;

a pressure regulating part formed on the body and including a diaphragm for regulating the pressure of gas flowing into the body through the outlet; and

An inlet connection part to which an external gas supply pipe is fastened, an inlet connection part protruding from the body and provided with an inlet communicating with the inside of the body;

The inlet connection part is formed at one end of the inlet connection part along the circumference of the inlet and includes a reinforcing part recessed in a direction in which the external gas supply pipe is fastened to the inlet connection part.
According to claim 1,

A gas pressure regulating device in which a female screw type inclined screw having a diameter gradually decreasing in a direction in which the external gas supply pipe is fastened to the inlet connection part is formed inside the inlet connection part.
According to claim 1,

The reinforcing unit, gas pressure regulating device comprising a reinforcing plane formed of a surface along the radial direction of the inlet, and a reinforcing fence surrounding the reinforcing plane and formed around the reinforcing plane.
4. The method of claim 3,

The inlet is provided in a circular shape,

The reinforcing plane is provided in a circular shape in which the inlet is formed in the center,

The reinforcing fence is a gas pressure regulating device provided to have a predetermined thickness along the outer diameter of the reinforcing plane.
4. The method of claim 3,

The reinforcing fence is a gas pressure regulating device in which the thickness of the reinforcing fence in a direction in which the external gas supply pipe is fastened to the inlet connection part is 2.0 mm or more.
5. The method of claim 4,

The reinforcing plane is a gas pressure control device that is provided with a diameter of 22.0mm or more.
According to claim 1,

a first connecting member coupled to the main body and including a fastening body having a first connecting passage communicating with the outlet therein, and a fastening cylinder protruding from the fastening body toward the outside of the main body and having the first connecting passage formed therein;

A second connection member inserted in contact with the inner surface of the first connection passage, the second connection member passing through the outlet and including a second connection passage communicating the interior of the main body and the first connection passage. gas pressure regulator.
8. The method of claim 7,

Further comprising an extension pipe coupled to the outer surface of the fastening cylinder,

A gas pressure regulating device in which a gap between the inner surface of the first connection passage and the outer surface of the fastening cylinder is formed to have a constant thickness without a step difference.
8. The method of claim 7,

One end of the second connecting member protrudes into the body,

Close the second connection passage of the second connection member in a state in contact with one end of the second connection member and open the second connection passage of the second connection member in a state away from one end of the second connection member. Further comprising a sealing cap coupled,

The sealing cap includes a first sealing part provided to be in contact with or separated from one end of the second connecting member, and a second sealing part extending from the circumference of the first sealing part and provided to contact or fall off the inner surface of the main body. gas pressure regulator.
8. The method of claim 7,

One end of the second connecting member protrudes into the body,

Close the second connection passage of the second connection member in a state in contact with one end of the second connection member and open the second connection passage of the second connection member in a state away from one end of the second connection member. Further comprising a sealing cap coupled,

A gas pressure regulating device in which one end of the second connecting member is provided with an embossed structure in contact with the sealing cap.
8. The method of claim 7,

One end of the second connecting member protrudes into the body,

Close the second connection passage of the second connection member in a state in contact with one end of the second connection member and open the second connection passage of the second connection member in a state away from one end of the second connection member. Further comprising a sealing cap coupled,

and a sealing ring disposed around one end of the second connecting member and provided to contact the sealing cap together with one end of the second connecting member.
12. The method of claim 11,

The sealing ring is a gas pressure regulating device provided in the form of a tube having a hollow portion therein.
8. The method of claim 7,

One end of the second connecting member protrudes into the body,

Close the second connection passage of the second connection member in a state in contact with one end of the second connection member and open the second connection passage of the second connection member in a state away from one end of the second connection member. Further comprising a sealing cap coupled,

The gas pressure adjusting device further comprising a sealing ring fixed to the first connection passage and provided to contact the sealing cap together with one end of the second connection member.