TWM578771U - Gas stove and cover thereof - Google Patents

Abstract

The present disclosure provides a cover of a gas stove, which has a top surface and a bottom surface, and includes a plurality of protrusions and a plurality of channels. The protrusions surround a center of the cover of the gas stove along the outer peripheral edge thereof, and are disposed on the top surface in interval, wherein each of the protrusions includes a top fire opening which is opened thereon. Each of the channels is passed through the cover of the gas stove from the bottom surface and is communicated with each of the protrusions. Therefore, the gas can flow out from the top fire opening by the communicating arrangement of the channels and the protrusions, and the fire can be closer to the bottom of the pot and make the heating effect can be better by the arrangement of the top fire openings.

Description

Gas furnace and its lid

The present invention relates to a gas furnace and a furnace cover thereof, and more particularly to a gas furnace having a protruding structure and capable of providing an upper small fire and a furnace cover thereof.

Generally, the gas stove cover of a conventional gas furnace is mostly placed on a gas stove in a flat shape, and when cooking with a small fire, it is easy to have a small fire flame away from the case where the bottom of the pot is to be heated, thereby causing a small heating range. The heating effect is not good or uneven.

Therefore, the development of a gas furnace and its furnace cover that can increase the heating area and get closer to the bottom of the pot is a common goal for the relevant industry.

The present invention provides a gas furnace and a furnace cover thereof, which are arranged through the protrusion structure on the furnace cover of the gas furnace, so that the flame of the upper fire outlet is closer to the bottom of the pot, and the individual air passages and air guide grooves in the gas furnace are individually The connected setting enables the gas burner to have multiple layers of small fire and outer ring fire at the same time, and the heating efficiency is better and more even.

According to one aspect of the present invention, a gas stove cover is provided, which has a top surface and a bottom surface, and includes a plurality of protrusion structures and a plurality of references airway. The protruding structure surrounds the center of the furnace cover of the gas furnace along the outer circumference of the furnace cover of the gas furnace, and is spaced apart from the top surface, wherein each of the protruding structures comprises an upper fire exit opening and is formed in each protruding structure. Each of the air intake passages is respectively disposed on the furnace cover of the gas furnace from the bottom surface and communicates with the protruding structure.

According to the foregoing aspect of the furnace cover of the gas furnace, wherein the protruding structure is inclined at an angle toward the center of the furnace cover of the gas furnace.

According to the furnace cover of the gas stove of the foregoing aspect, the projection structure is integrally formed in the furnace cover of the gas furnace.

According to another aspect of the present invention, a gas furnace comprising a furnace cover, a burner head and a furnace seat is provided. The furnace cover has a top surface and a bottom surface, and includes a plurality of protruding structures and a plurality of first air guiding passages. The plurality of protruding structures surround the center of the furnace cover along the outer circumference of the furnace cover, and are spaced apart from the top surface, wherein each protrusion The structure includes an upper fire exit opening that is formed in each of the raised structures. Each of the first air entraining passages is respectively disposed on the furnace cover from the bottom surface and communicates with the protruding structure. The detachable set of the furnace cover is arranged on the burner head, and the burner head comprises a body, a plurality of second air induction passages, a plurality of outer ring fire outlets, a plurality of middle fire exits and a plurality of lower fire exits. Each of the second air entraining passages is disposed through the body and communicates with the first air entrainment channel. The outer ring fire outlet is arranged around the center of the body along the outer circumference of the body, and is disposed on a top surface of the body. The middle fire outlet is disposed on the top surface of the body and corresponds to the protruding structure and communicates with the second air inlet. The lower fire exit is arranged around the center of the body along the outer circumference of the body, and is disposed on a bottom surface of the body and communicates with the second air inlet. The burner head is detachably assembled on the base, and the base comprises a support base, an isolation ring, an inner ring fire guide groove, an outer ring fire guide groove and a gas mixing tube set. The support has a space The isolation ring is disposed in the accommodating space of the support portion. The inner ring fire guiding air groove is located between the support portion and the isolating ring and is in communication with the second air guiding channel. The outer ring fire guide groove is surrounded by the isolation ring and communicates with the outer ring fire outlet. The gas mixing tube set is connected to the support portion and includes an inner ring fire inlet port and an outer ring fire inlet port. The inner ring fire inlet port is connected with the inner ring fire guide gas groove, and the outer ring fire inlet port is connected with the outer ring fire guide groove.

According to the foregoing aspect of the gas furnace, the projection structure is inclined at an angle toward the center of the furnace cover.

According to the foregoing aspect of the gas furnace, the protruding structure is integrally formed on the furnace cover.

According to the foregoing aspect of the gas furnace, the furnace cover further comprises a fixing structure protruding from the center of the furnace cover to the bottom surface for connecting the burner. The burner head further includes a central structure located at the center of the body of the burner and for positioning the fixed structure thereon.

The gas furnace according to the foregoing aspect may further comprise an ignition device connected to the base and adjacent to the burner head for igniting a gas derived from the burner.

According to the foregoing aspect of the gas furnace, a safety device may be further included, which is electrically connected to the gas mixing tube set and adjacent to the burner.

100‧‧ ‧ gas stove

200‧‧‧ gas stove cover

201‧‧‧ top surface

202‧‧‧ bottom

210, 310‧‧‧ protruding structure

211, 311‧‧‧ upper fire exit

220‧‧‧ airway

450‧‧‧Central structure

460‧‧‧Fitting structure

470‧‧‧ rod body

480‧‧‧

490‧‧‧screw

500‧‧‧Base

510‧‧‧Support

230, 330‧‧‧Fixed structure

240, 340‧‧ ‧ blocking

300‧‧‧ furnace cover

320‧‧‧First airway

400‧‧‧ burner

410‧‧‧Second airway

420‧‧‧Outer fire exit

421‧‧‧Ignition

430‧‧‧ middle fire exit

440‧‧‧Under fire exit

520‧‧‧Isolation ring

530‧‧‧ Inner Ring Fire Guide

540‧‧‧Outer ring fire guide trough

550‧‧ ‧ gas mixing tube set

551‧‧‧ Inner ring fire inlet

552‧‧‧Outer ring fire inlet

600‧‧‧Ignition device

700‧‧‧Safety devices

1A is a perspective view showing a top surface of a gas stove cover of a gas furnace according to an embodiment of the present invention; 1B is a perspective view showing the bottom surface of the gas stove cover of the gas furnace according to the embodiment of FIG. 1A; FIG. 1C is a cross-sectional view showing the gas stove cover of the gas furnace according to the embodiment of FIG. 1A; 3 is a perspective view of a gas furnace according to another embodiment of the present invention; FIG. 3 is an exploded view of a gas furnace according to an embodiment of FIG. 2; and FIG. 4A is a gas furnace of a gas furnace according to the embodiment of FIG. 3B is a perspective view showing the bottom surface of the gas burner of a gas furnace according to the embodiment of FIG. 2; and FIG. 5 is a partial cross-sectional view showing the gas furnace according to the embodiment of FIG. .

Embodiments of the present invention will be described below with reference to the drawings. For the sake of clarity, many practical details will be explained in the following description. However, readers should be aware that these practical details are not intended to limit the novel. That is to say, in some embodiments of the present invention, these practical details are not necessary. In addition, some of the conventional structures and elements may be shown in the drawings in a simplified schematic manner, and the repeated elements may be denoted by the same reference numerals or the like.

Please refer to FIG. 1A, FIG. 1B and FIG. 1C. FIG. 1A is a perspective view showing a top surface 201 of a gas stove cover 200 according to an embodiment of the present invention. FIG. 1B is a view of FIG. One of the illustrated embodiments A perspective view of the bottom surface 202 of the furnace cover 200 of the gas furnace, and FIG. 1C is a cross-sectional view of the furnace cover 200 of the gas furnace according to the embodiment of the first embodiment.

It can be seen from FIG. 1A, FIG. 1B and FIG. 1C that the furnace cover 200 of the gas furnace has a bottom surface 202 and a top surface 201, and includes a plurality of protrusion structures 210 and a plurality of air passages 220. The protruding structure 210 surrounds the center of the furnace cover 200 of the gas furnace along the outer circumference of the furnace cover 200 of the gas furnace, and is spaced apart from the top surface 201 of the furnace cover 200 of the gas furnace, wherein each of the protruding structures 210 includes an upper fire outlet 211 The upper fire exit 211 is opened in the protruding structure 210. The air inlet ducts 220 are respectively disposed from the bottom surface 202 to the furnace cover 200 of the gas furnace and communicate with the protrusion structure 210. Thereby, the gas can be supplied to the upper fire outlet 211 through the air passage 220 to provide an upper small fire.

In detail, the protruding structure 210 may be integrally formed in the furnace cover 200 of the gas furnace and protrude from the top surface 201. The protrusion structure 210 can be used to support the furnace cover 200 to be placed on the gas stove of the gas furnace. Therefore, the integrally formed protrusion structure 210 can provide high structural strength to support different weights of the pot, and can save manufacturing costs caused by secondary processing. Moreover, by the arrangement of the protruding structure 210 protruding on the top surface 201, the upper fire outlet 211 is more accessible to the bottom of the cooking utensils during cooking, so that the heating effect is better. It is to be noted that, as shown in FIG. 1A, the upper fire exit 211 may be slightly U-shaped or U-shaped from the outer periphery of the furnace cover 200 of the gas furnace to the center of the protrusion structure 210. In this way, an appropriate upper small fire range can be provided to enhance its applicability.

In addition, as can be seen from FIG. 1A, the protruding structure 210 can be inclined at an angle toward the center of the furnace cover 200 of the gas furnace; in other words, the protruding structure 210 The upper surface may have an angle with the top surface 201 of the furnace cover 200 such that the upper surface of the projection structure 210 slopes downward toward the center of the furnace cover 200 of the gas furnace. Due to the heating process, the liquid to be heated in the cookware easily overflows with the furnace cover of the gas furnace due to boiling. If the gas stove is switched to a small fire state, the flame is easily extinguished by the overflowed liquid, resulting in incomplete combustion of gas. And increase the possibility of carbon monoxide poisoning. Therefore, through the inclined configuration of the protruding structure 210, the overflowed liquid can be dropped to the protruding structure 210 and flow toward the center of the furnace cover 200 of the gas furnace, and the upper fire outlet 211 and the air inlet 220 correspond to the top of the protruding structure 210. The highest position of the face 201 prevents the overflowing liquid from flowing into it, thereby preventing the possibility of the upper small fire being extinguished.

The furnace cover 200 of the gas furnace may further include a stopper 240 protruding from the outer periphery of the furnace cover 200 of the gas furnace to shield the ignition device. The furnace cover 200 of the gas furnace may further comprise a fixing structure 230 protruding from the center of the furnace cover 200 of the gas furnace to the bottom surface 202 for positioning and connecting the furnace cover 200 of the gas furnace to the gas furnace.

In addition, in the embodiment of FIG. 1A, the number of the protrusion structures 210 is three, but the number of the protrusion structures 210 of the present invention is not limited thereto.

Please refer to FIG. 2, FIG. 3, FIG. 4A, FIG. 4B and FIG. 5, wherein FIG. 2 is a perspective view of a gas furnace 100 according to another embodiment of the present invention, and FIG. 3 is a second drawing. FIG. 4A is a perspective view showing the top surface of the burner 400 of the gas furnace 100 according to the embodiment of the second embodiment, and FIG. 4B is a view showing a gas according to the embodiment of the second embodiment. A perspective view of the bottom surface of the burner head 400 of the furnace 100, and Fig. 5 is a partial cross-sectional view of the gas furnace 100 according to the embodiment of Fig. 2.

2 and 3, the gas furnace 100 includes a furnace cover 300, a burner 400, and a base 500. The furnace cover 300 is detachably assembled to the burner 400, and the burner 400 is detachably assembled to the base. 500. The furnace cover 300 includes a plurality of protruding structures 310 and a plurality of first air guiding channels 320. The first air guiding channels 320 are in communication with the protruding structures 310, and each of the protruding structures 310 includes an upper fire exiting port 311. The burner 400 includes a body (not separately labeled), a plurality of second air induction channels 410, a plurality of outer ring fire outlets 420, a plurality of middle fire exit ports 430, and a plurality of lower fire exit ports 440, wherein the second air intake passages 410, the middle fire exit 430 and the lower fire exit 440 are connected. The base 500 includes a support portion 510, an isolation ring 520, an inner ring fire guide groove 530, an outer ring fire guide groove 540, and a gas mixing tube set 550, wherein the inner ring fire guide groove 530 is in communication with the second air introduction channel 410, The ring fire air guiding groove 540 is in communication with the outer ring fire outlet port 420. The gas mixing tube set 550 is in communication with the support portion 510.

With the above-mentioned individual communication arrangement, gas can be separately supplied to each outlet fire, so that the gas furnace 100 can simultaneously generate multiple layers of small fire and outer ring fire, and the furnace cover 300 of the embodiment of FIG. 2 and the gas furnace of FIG. The furnace cover 200 can be the same. When applied to the gas furnace 100, the upper small fire can be brought closer to the bottom of the pan to improve the heating efficiency and the average degree of heating. The structural details of the gas furnace 100 will be described later.

The furnace cover 300 has a top surface (not otherwise labeled) and a bottom surface (not otherwise labeled) including a plurality of raised structures 310 and a plurality of first air entraining passages 320. The protrusion structure 310 surrounds the center of the furnace cover 300 along the outer circumference of the furnace cover 300 and is spaced apart from the top surface. The protrusion structure 310 includes an upper fire exit port 311, and the upper layer fire exit port 311 is formed in the protrusion structure 310. the first The air inlet ducts 320 are respectively disposed on the furnace cover 300 from the bottom surface and communicate with the protrusion structure 310.

In detail, the protrusion structure 310 may be integrally formed on the furnace cover 300 and protrude from the top surface. It is worth mentioning that the upper fire exit 311 may be slightly U-shaped or U-shaped from the outer periphery of the furnace cover 300 toward the center of the protrusion structure 310. In this way, an appropriate upper small fire range can be provided to enhance its applicability.

In addition, the protrusion structure 310 may be inclined at an angle toward the center of the furnace cover 300; that is, the upper surface of the protrusion structure 310 may have an angle with the top surface of the furnace cover 300 such that the upper surface of the protrusion structure 310 faces the furnace cover The center of the 300 is inclined downward, and the upper fire exit 311 and the first air guide 320 correspond to the highest position of the protruding structure 310 relative to the top surface, so that overflowing liquid can be prevented from flowing therein, thereby preventing the possibility of the upper small fire being extinguished.

In the embodiments of FIGS. 2 and 3, the number of the protrusion structures 310 is three, but the number of the protrusion structures 310 of the present invention is not limited thereto.

It should be particularly noted that the furnace cover 300 of the embodiment of FIG. 2 is the same as the furnace cover 200 of the gas furnace of the first embodiment, so that the detailed structure of the furnace cover 300 can be referred to FIG. 1A, FIG. 1B and the 1C picture.

Referring to FIGS. 4A and 4B, the burner 400 includes a body, a plurality of second air entrainment passages 410, a plurality of outer ring fire exit ports 420, a plurality of intermediate fire exit ports 430, and a plurality of lower fire exit ports 440.

The outer ring fire outlet 420 is arranged around the center of the body along the outer circumference of the body, and is disposed on one of the top surfaces of the body. In detail, the outer ring fires out The ports 420 are arranged in a row on the outer periphery of the top surface of the burner 400, that is, the gas furnace 100 provides an outlet for the outer ring fire.

The second air guide 410 is disposed through the body of the burner 400 and communicates with the first air inlet 320. Specifically, the second air guiding channel 410 communicates with the first air guiding channel 320 on the top surface of the burner 400, so that the gas is conducted from the burner 400 to the furnace cover 300, and the diameter of the second air guiding channel 410 can be the first The caliber of the air entrainment channel 320 is the same or different and is not limited by the disclosure of the present disclosure.

The middle fire outlet 430 is disposed on the top surface of the body, corresponds to the protrusion structure 310, and is in communication with the second air inlet 410. In detail, the middle fire outlet 430 extends from the port of the second air inlet 410 and is spaced between the plurality of outer fire exits 420, so that the gas can be conducted to the second air duct 410. That is, the gas furnace 100 provides a fire outlet for the middle layer fire.

The lower fire exit 440 is arranged around the center of the body along the outer circumference of the body, and is disposed on a bottom surface of the body and communicates with the second air guide 410. Specifically, the lower fire vents 440 are arranged in a dentate arrangement on the outer periphery of the bottom surface of the burner 400, that is, the gas furnace 100 provides a fire outlet for the lower layer of small fire. In addition, the full circumference height of the lower fire exit 440 may be the same, and is not limited by the disclosure of the present disclosure.

The support portion 510 has an accommodation space (not otherwise indicated) and is provided for the burner 400. The spacer ring 520 is disposed in the accommodating space of the support portion 510 for isolating the space between the inner ring fire guide groove 530 and the outer ring fire guide groove 540. The inner ring fire guide groove 530 is located between the support portion 510 and the spacer ring 520 and is in communication with the second air intake passage 410. The outer ring fire guide groove 540 is surrounded by the spacer ring 520 and communicates with the outer ring fire exit port 420.

The gas mixing tube set 550 is connected to the supporting portion 510 and communicates with the receiving space of the supporting portion 510. The gas mixing tube set 550 includes an inner ring fire inlet port 551 and an outer ring fire inlet port 552, and the inner ring fire inlet port 551 is The inner ring fire guide groove 530 is in communication, and the outer ring fire inlet port 552 is in communication with the outer ring fire guide groove 540. Specifically, the inner ring fire inlet 551 and the outer ring fire inlet 552 respectively supply gas to the inner ring fire guide groove 530 and the outer ring fire guide groove 540, and the inner ring fire inlet port 551 and the outer ring fire in The ports 552 are individually openable and closable.

The furnace cover 300 may further include a fixing structure 330 protruding from the center of the furnace cover 300 to the bottom surface of the furnace cover 300. The burner head 400 can further include a central structure 450 located at the center of the body of the burner 400 and for positioning the fixed structure 330 thereon, and the central structure 450 is fixed to the burner 400 by the two rods 470. In detail, the fixing structure 330 can be lockedly coupled to the center structure 450 by a screw 490, thereby positioning the furnace cover 300 on the burner head 400. The burner 400 further includes a fitting structure 460, and the fitting structure 460 can be fitted into the spacer ring 520 of the base 500 to fix the burner 400 to the base 500.

The gas furnace 100 may further include an ignition device 600 connected to the base 500 and adjacent to the burner 400 for igniting the gas derived from the burner 400. The ignition device 600 may be an obstacle, but not limited thereto. . In addition, the furnace cover 300 further includes a blocking portion 340 protruding from the outer periphery of the furnace cover 300 and covering the ignition device 600 to prevent the ignition device 600 from being exposed to liquid or other environmental factors in the cooking device. The impact of security concerns arises.

The gas furnace 100 may further include a safety device 700 electrically connected to the gas mixing tube set 550 and adjacent to the burner head 400. The safety device 700 can be a thermocouple, but not limited thereto. When the gas furnace 100 is heated abnormally, the safety device 700 closes the gas mixing tube set 550 and stops supplying gas to prevent the flame from being quenched by the soup. When the wind is blown out, the gas furnace 100 continues to supply gas, posing a hazard. The burner 400 may further include a cover 480 that is shielded above the security device 700 to prevent the security device 700 from being disturbed by the outside.

It can be seen from Fig. 5 that when a small fire group (ie, a small fire in the upper layer, a small fire in the middle layer, and a small fire in the lower layer) is to be turned on, the control gas enters from the inner ring fire inlet port 551, because the inner ring fire inlet port 551 and the inner ring The fire guiding air tank 530 is connected, the gas enters the inner ring fire guiding air tank 530, a part of the gas escapes from the inner ring fire guiding air tank 530 to the lower layer fire outlet port 440, and the other part of the gas enters the second air introducing passage 410. The middle fire exit 430 escapes and is conducted to the first air inlet 320, and is dissipated by the upper fire exit 311.

When the outer ring flame is to be turned on, the control gas enters the outer ring fire inlet port 552, and the outer ring fire guide groove 540 guides the gas to the outer ring fire outlet port 420, thereby igniting the outer ring fire.

The burner 400 may further include an ignition port 421 that communicates with the outer ring fire outlet 420 and is adjacent to the ignition device 600. Specifically, when the gas enters from the gas mixing tube group 550, the outer ring fire guide groove 540 is electrically connected to the outer ring fire outlet port 420 and the ignition port 421, and the ignition device 600 is activated, and the ignition port 421 can be ignited. Gas, and thereby igniting the outer ring fire outlet 420 of the entire circumference of the burner 400, and at the same time, the fire exit 420 by the outer ring The flame ignites the gas of the upper fire vent 311, the gas of the middle fire vent 430, and the gas of the lower fire vent 440, thereby achieving the effect of multiple layers of small fires with external fire.

It is worth mentioning that the configuration of the upper fire exit 311 helps to burn out the remaining gas in the gas furnace 100. In detail, when the gas mixing tube set 550 is closed and the supply of the gas is stopped, the gas that has been originally conducted by the inner ring fire guiding groove 530 to the lower layer fire outlet 440 or the middle layer fire outlet 430 may not be burned out. It can guide the residual air to the first air intake passage 320 through the communication of the second air induction passage 410, and burn it through the upper fire outlet 311 to improve the safety of the gas furnace 100.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

Claims (10)

A gas stove cover having a top surface and a bottom surface, and comprising: a plurality of protruding structures surrounding the center of the furnace cover of the gas furnace along the outer circumference of the gas furnace cover, and spaced apart from the furnace cover a top surface, wherein each of the protrusion structures comprises: an upper fire exit opening, each of the protrusion structures; and a plurality of air guide channels, the air guide channels are respectively disposed from the bottom surface of the gas furnace cover and The protruding structures are connected. The furnace cover of the gas furnace according to claim 1, wherein each of the protrusion structures is inclined at an angle toward a center of the furnace cover of the gas furnace. The furnace cover of the gas furnace according to claim 1, wherein the protrusion structures are integrally formed in the furnace cover of the gas furnace. A gas burner comprising: a furnace cover having a top surface and a bottom surface, and comprising: a plurality of protruding structures surrounding the center of the furnace cover along an outer circumference of the furnace cover and spaced apart from the top surface, wherein Each of the protrusion structures comprises: An upper fire exit opening is provided in each of the protruding structures; and a plurality of first air induction passages are respectively disposed from the bottom surface to the furnace cover and communicate with the protruding structures; The furnace cover is detachably assembled on the burner head, the burner head comprises: a body; a plurality of second air guiding channels, each of the second air guiding channels is disposed through the body and is connected to the first air guiding channels; An outer ring fire outlet is arranged along the outer circumference of the body around the center of the body, and is disposed on a top surface of the body; a plurality of middle fire exit ports are disposed on the top surface of the body, and the The protrusion structures correspond to and communicate with the second air entraining passages; and a plurality of lower layer fire outlets are arranged around the center of the body along the outer circumference of the body, and are disposed on a bottom surface of the body, and The second air inlet is connected to the base; and the base is detachably assembled to the base, and includes: a support portion having an accommodating space; and an isolating ring disposed in the accommodating space of the support portion An inner ring fire guide Located between the supporting portion and the spacer ring, and a second lead in communication with the airway; An outer ring fire guide groove is surrounded by the isolating ring and communicates with the outer ring fire outlets; a gas mixing tube set is connected to the support portion and includes: an inner ring fire inlet port, and the inner ring The fire guiding air channel is connected; and an outer ring fire inlet port is connected with the outer ring fire guiding air groove. The gas furnace of claim 4, wherein the protrusion structures are inclined at an angle toward a center of the furnace cover. The gas furnace of claim 4, wherein the protrusion structures are integrally formed on the furnace cover. The gas furnace of claim 4, wherein the furnace cover further comprises a fixed structure protruding from the center of the furnace cover to the bottom surface for connecting the burner. The gas burner of claim 7, wherein the burner further comprises a central structure located at a center of the body of the burner for positioning the fixed structure thereon. The gas furnace of claim 4, further comprising an ignition device coupled to the base and adjacent to the burner for igniting a gas derived from the burner. The gas furnace of claim 4, further comprising a safety device electrically connected to the gas mixing tube set and adjacent to the burner.