CN204786392U - Burner head of a gas cooker, burner head assembly, and a gas cooker - Google Patents

Abstract

A burner of a gas stove, a burner assembly and the gas stove are provided, wherein the burner is concentrically provided with an outer ring boss and an inner ring boss with sequentially reduced radiuses, the upper surface of the outer ring boss is provided with an outer ring hollow mixing cavity distributed along the ring surface, the upper surface of the inner ring boss is provided with an inner ring hollow mixing cavity distributed along the ring surface, and the central cavity of the inner ring boss forms a central hollow mixing cavity; the lower end of the furnace end is provided with a first gas transmission port communicated with the outer ring air mixing cavity, a second gas transmission port communicated with the inner ring air mixing cavity and a third gas transmission port communicated with the central air mixing cavity, wherein the first gas transmission port is used for allowing gas to enter; the lower end of the outer ring boss is provided with a first air inlet channel used for communicating the outer space and the inner space of the outer ring boss, and the first air inlet channel is isolated from the outer ring air mixing cavity; the lower end of the inner ring boss is provided with a second air inlet channel which is used for communicating the outer space of the inner ring boss with the central hollow mixing cavity, and the second air inlet channel is isolated from the inner ring hollow mixing cavity. The problem of leading to the central fire to extinguish because of atmospheric pressure is unstable has been solved in this application.

Description

Burner head of a gas cooker, burner head assembly, and a gas cooker

technical field

The present application relates to the field of gas cookers, in particular to a burner head of a gas cooker, a burner head assembly and a gas cooker.

Background technique

The burner is an important part of the domestic gas stove. The burner uses gas as fuel. The key factor affecting its thermal efficiency is the sufficient mixing of gas and air. When the gas and air are fully mixed, the gas will burn completely. In order to make the kitchen simple and beautiful, the gas stove is usually embedded on the cabinet table, and only the burner of the gas stove is exposed at the outer end. The burner usually has three empty mixing chambers: the outer ring, the inner ring, and the center. The gas in the central air mixing chamber enters the air mixing chamber after being mixed, and then burns through the fire distributor. In the prior art, the air inlet of the central air mixing cavity of the burner is arranged at the lower end of the burner, which is located in the cabinet, and the air enters the central air mixing cavity from the lower end, mixes with gas and burns to form a central fire. If the air pressure on the gas stove is unstable, the air pressure above it is greater than the air pressure below, and the two form an air pressure difference. If the cabinet door is opened suddenly, the outside air will enter the cabinet from above the gas stove, thus blocking the air pressure. The air supply to the central air mixing chamber may cause the central fire to go out.

Contents of the invention

The present application provides a burner of a gas cooker, a burner assembly and a gas cooker, which solve the problem in the prior art that the central fire is extinguished due to unstable air pressure.

According to the first aspect of the present application, the present application provides a burner head of a gas stove. The burner head is concentrically provided with an outer ring boss and an inner ring boss with successively decreasing radii. The outer ring air mixing chamber distributed on the surface, the upper surface of the inner ring boss is provided with the inner ring air mixing chamber distributed along the ring surface, the central cavity of the inner ring boss forms a central air mixing chamber; the lower end of the furnace head is provided with a The first gas delivery port connected to the outer ring air mixing chamber for gas supply, the second gas delivery port connected to the inner ring air mixing chamber and the third gas delivery port connected to the central air mixing chamber; the outer ring The lower end of the boss is provided with a first air intake passage for connecting the outer space and the inner space of the outer ring boss, and the first air inlet passage is isolated from the outer ring air mixing chamber; the lower end of the inner ring boss is provided with a connecting ring The space outside the boss and the second air intake channel of the central air mixing chamber, the second air intake channel is isolated from the inner annular air mixing chamber.

According to the second aspect of the present application, the present application provides a burner assembly of a gas stove, including the above-mentioned burner of the gas stove; The inner ring fire distribution device on the annular space mixing chamber and the center fire distribution device covered on the central empty mixing chamber; Divide the fire hole.

According to the third aspect of the present application, the present application provides a gas cooker, which includes the burner head assembly of the above-mentioned gas cooker, and also includes a valve body and a third gas pipe for connecting the valve body and the third gas delivery port, the third gas pipe and The connection of the third air port is also provided with a third nozzle; it also includes a second guide pipe, a damper, a second nozzle and a second air pipe connected in sequence and a first guide pipe, a damper and a first nozzle connected in sequence and the first air pipe; the first air pipe and the second air pipe are also connected with the valve body; the first guide tube is also connected with the first air delivery port, and the second guide tube is also connected with the second air delivery port.

The beneficial effect of the present application is that since the application is provided with a first air intake passage for connecting the outer space and the inner space of the outer ring boss at the lower end of the outer ring boss, the first air inlet passage is isolated from the outer ring air mixing chamber ; The lower end of the inner ring boss is provided with a second air intake passage for connecting the outer space of the inner ring boss with the central air mixing chamber, and the second air inlet passage is isolated from the inner ring air mixing chamber. Then the first air intake channel and the second air intake channel will introduce the outside air into the central air mixing chamber, and the air intake mode will be changed from the original lower air intake to the upper air intake, so the air intake will not be affected by the upper and lower sides of the burner. The influence of the air pressure difference at the end, thus solving the problem that the central fire is extinguished due to unstable air pressure.

Description of drawings

Fig. 1 is the schematic structural view of burner head in some embodiments

Figure 2 is a cross-sectional view of the burner in some embodiments;

Figure 3 is a sectional view of the burner in some embodiments;

Figure 4 is a schematic structural view of the regulating device in some embodiments;

Figure 5 is a schematic structural view of the furnace head in some embodiments;

Figure 6 is a cross-sectional view of the burner in some embodiments;

Fig. 7 is a schematic structural view of a burner assembly in some embodiments;

Figure 8 is an exploded view of a burner assembly in certain embodiments;

Figure 9 is a cross-sectional view of a burner assembly in some embodiments;

Fig. 10 is a structural schematic diagram of another viewing angle of the burner assembly in some embodiments;

Fig. 11 is a schematic structural view of a gas stove in some embodiments;

Figure 12 is a bottom view of a gas stove in some embodiments;

Fig. 13 is a cross-sectional view of the gas stove in some embodiments viewed from the front;

Fig. 14 is a cross-sectional view of the gas stove in some embodiments viewed from the front;

Fig. 15 is a schematic structural diagram of the second adjusting device in some embodiments.

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

The present application provides a burner head of a gas stove. In some embodiments, as shown in FIG. The concentric arrangement also allows errors within the scope of the art, and if there are above errors, it should also be included in the protection scope of this embodiment, and those skilled in the art should know. The upper surface of the outer ring boss 111 is provided with outer annular air mixing chambers 121 distributed along the annulus, and the upper surface of the inner ring boss 112 is provided with inner annular air mixing chambers 122 distributed along the annulus. Since the inner ring boss 112 has a ring structure, the inner ring boss 112 has a central cavity, which forms a central air mixing chamber 123 . At the lower end of the burner head 1, there are a first gas supply port communicating with the outer annular air mixing chamber 121, a second gas delivery port communicating with the inner annular air mixing chamber 122, and a central air mixing chamber for gas supply. 123 connected to the third gas delivery port, the setting of the first gas delivery port, the second gas delivery port and the third gas delivery port are conventional technical means in the field, and will not be repeated here.

As shown in Figure 1, the lower end of the outer ring boss 111 is provided with a first air intake passage 131 for communicating with the outer space and inner space of the outer ring boss 111, and the first air inlet passage 131 is isolated from the outer ring air mixing chamber 121 ; The lower end of the inner ring boss 112 is provided with a second air intake passage 132 for communicating with the outer space of the inner ring boss 112 and the central air mixing chamber 123 , and the second air inlet passage 132 is isolated from the inner ring air mixing chamber 123 . During combustion, the air at the side of the furnace body 1 can enter the inner side of the second boss 112 through the first air intake passage 131 , and then enter the inner annular air mixing chamber 122 through the second air intake passage 132 .

In some embodiments, as shown in FIG. 2 and FIG. 3 , the burner head 1 also includes a bottom plate 14 on which the outer ring boss 111 and the inner ring boss 112 are arranged; There is an outer ring partition wall 1211 for isolating the first air intake channel 131. It can be seen from the figure that the outer ring partition wall 1211 has side walls and a top wall, so the outer ring partition wall 1211 and the bottom plate 14 are enclosed to form the first An air intake passage 131 ; the inner annular space mixing chamber 122 is provided with an inner ring partition wall 1221 for isolating the second air intake passage 132 , and the inner ring partition wall 1221 and the bottom plate 14 enclose the second air intake passage 132 .

There are several first air intake passages 131 and they are evenly distributed along the ring surface, so that the intake air volume is larger and the mixing with the gas is more uniform. There is one second air intake channel 132 . At least one of the first air intake passages 131 is located on the same radial direction as the second air intake passage 132 , so that outside air can enter the central air mixing chamber 123 faster and more directly.

In this embodiment, both the first air intake passage 131 and the second air intake passage 132 are in the shape of a regular arc to make the air intake more uniform. In other embodiments, it can also be round holes or dispersed vertical grooves, or other irregular shapes, as long as it is used to communicate with the space outside the first boss 111 and the space inside the second boss 112. An air intake channel 131, so that the first air intake channel 131 is isolated from the outer ring air mixing chamber 121, and is used to communicate with the second air intake channel 132 of the third boss 113 outer space and the central air mixing chamber 123, so that the second The air intake passage 132 is isolated from the inner annular mixing chamber 122, both of which belong to the protection scope of the present application.

In some embodiments, as shown in FIG. 4 , FIG. 5 and FIG. 6 , the outer surface of the inner ring boss 112 is also sleeved with a first adjustment device, and the first adjustment device is used to adjust the inlet of the second air intake passage 132 the size of. The amount of air entering the central air mixing chamber 123 can be adjusted as required.

In this embodiment, the first adjusting device includes an arc 21 matching the outer surface of the inner ring boss 112, as shown in Figure 5 and Figure 6, the arc 21 is in the shape of an arc surface, which can fit the inner ring boss 112 outer side. When adjusting the size of the inlet of the second air intake passage 132, it can be conveniently rotated and adjusted. The first adjusting device further includes a ring piece 22 arranged at the lower end of the arc piece 21 , and the ring piece 22 extends radially to provide support for the adjustment of the arc piece 21 . The ring piece 22 is also provided with a reserved groove 221. Since the temperature of the furnace body 1 is very high after burning, it is difficult to directly rotate the ring piece 22 when the arc piece 21 needs to be adjusted. The ring piece 22 is moved in the groove 221, so as to facilitate the adjustment of the ring piece 22.

In the above embodiment, there is one second air intake passage 132, and one arc piece 21 is also provided correspondingly. In other embodiments, when there are multiple second air intake passages 132, multiple arc pieces 21 are also provided correspondingly.

The present application also provides a burner head assembly for a gas stove. In some embodiments, as shown in FIG. The outer ring fire distribution device 31, the inner ring fire distribution device 32 covered on the inner ring air mixing chamber 122 and the center fire distribution device 33 covered on the central air mixing chamber 123. On the outer surface of the outer ring fire distributor 31 , the outer surface of the inner ring fire distributor 32 and the upper end surface of the central fire distributor 33 , several fire distribution holes 311 are provided.

In some embodiments, as shown in FIG. 7 , FIG. 8 and FIG. 9 , the outer surface of the inner ring boss 112 is also sleeved with a first adjustment device, and the first adjustment device is used to adjust the entrance of the second air intake passage 132 the size of. The amount of air entering the central air mixing chamber 123 can be adjusted as required. The first adjustment device includes an arc 21 matching the outer surface of the inner ring boss 112 . As shown in FIGS. When adjusting the size of the inlet of the second air intake passage 132, it can be conveniently rotated and adjusted. The first adjusting device further includes a ring piece 22 arranged at the lower end of the arc piece 21 , and the ring piece 22 extends radially to provide support for the adjustment of the arc piece 21 . The ring piece 22 is also provided with a reserved groove 221. Since the temperature of the furnace body 1 is very high after burning, it is difficult to directly rotate the ring piece 22 when the arc piece 21 needs to be adjusted. The ring piece 22 is moved in the groove 221, so as to facilitate the adjustment of the ring piece 22.

In some embodiments, the upper end of the outer ring fire distributor 31 is also provided with a fire ignition groove 312, and the fire ignition groove 312 is used to communicate with the space in the outer ring air mixing chamber 121 and the outer ring fire distributor 31 ring, as can be seen in FIG. 9 , the fire groove 312 is provided with a through hole 313 , and the through hole 313 communicates with the outer annular air mixing chamber 121 . The outer surface of the inner ring fire distributor 32 is provided with a fire opening 321 leading to the inner ring air mixing chamber 122, and the inner ring air mixing chamber 122 communicates with the central air mixing chamber 123 through the second air intake channel 132, and the fire opening 321 It is located on the same radial direction as the fire guiding groove 312 . Between the outer ring fire distributor 31 and the inner ring fire distributor 32, a lighter is usually arranged at the radial position where the ignition groove 312 is located. An annular space mixing chamber 122 and a central space mixing chamber 123 .

The present application also provides a gas cooker. In some embodiments, as shown in FIG. 11 and FIG. The third air pipe 73 of the third air delivery port; also includes the second guide pipe 42, the damper 5, the second nozzle 62 and the second air pipe 72 connected in sequence and the first guide pipe 42, the damper 5, the second air pipe 72 connected in sequence A nozzle 61 and the first air pipe 72; the first air pipe 71 and the second air pipe 72 are also connected with the valve body 8; the first guide pipe 41 is also connected with the first air delivery port, and the second guide pipe 42 is also connected with the second Gas port connection. Injection holes 60 are provided on the first nozzle 61 and the second nozzle 62 .

As shown in Figure 13, a third nozzle 731 is also provided at the connection between the third gas pipe 73 and the third gas delivery port. The gas is injected into the central air mixing chamber 123 through the third nozzle 731. Due to the pressure difference generated by the gas flow, the outside The air enters into the central air mixing chamber 123 through the first air intake passage 131 and the second air intake passage 132 .

In some embodiments, as shown in Figure 14 and Figure 15, a second adjustment device is also provided on the third nozzle 731, and the second adjustment device is arranged in the central air mixing chamber 123; the second adjustment device is used to adjust the first The spraying length of the three nozzles 731 in the central empty mixing chamber 123.

In FIG. 14 and FIG. 15 , the adjusting device includes a sleeve head 81 and a nut 82 screwed on the outside of the sleeve head 81 . The sleeve head 81 is a hollow structure, which is sleeved on the third nozzle 731 . The upper end of the sleeve head 81 is also provided with a vent hole 83 through which gas is sprayed into the central air mixing chamber 133 . Thereby adjusting nut 82, just can adjust the length that sleeve head 81 enters into central empty mixing chamber 133, has also just adjusted spraying length. When the nut 82 is screwed up and the sleeve head 81 is moved down, the spray length becomes longer and more air passes through the second air intake passage 132 . When the nut 82 is screwed down and the sleeve head 81 is moved up, the spray length becomes shorter and the air passing through the second air intake passage 132 is less.

The above content is a further detailed description of the present invention in conjunction with specific embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. Those of ordinary skill in the technical field to which the present invention belongs can also make some simple deduction or replacement without departing from the concept of the present invention.

Claims (10)

1. A burner head of a gas stove, the burner head (1) is concentrically provided with an outer ring boss (111) and an inner ring boss (112) with successively decreasing radii, and the outer ring boss (111) The upper surface of the inner ring boss (112) is provided with an outer annular air mixing chamber (121) distributed along the annulus, and the upper surface of the inner ring boss (112) is provided with an inner annular air mixing chamber (122) distributed along the annulus. The central cavity of the ring boss (112) forms a central air mixing chamber (123); the lower end of the burner (1) is provided with a second channel for gas to enter and communicate with the outer ring air mixing chamber (121). A gas delivery port, a second gas delivery port connected to the inner annular air mixing chamber (122), and a third gas delivery port connected to the central air mixing chamber (123); characterized in that: The lower end of the outer ring boss (111) is provided with a first air intake channel (131) for connecting the outer space and inner space of the outer ring boss (111), the first air intake channel (131) and The outer ring hollow mixing chamber (121) is isolated from each other; the lower end of the inner ring boss (112) is provided with a hole for connecting the outer space of the inner ring boss (112) and the central empty mixing chamber (123). A second intake passage (132), the second intake passage (132) is isolated from the inner annular mixing chamber (122). 2. The stove head according to claim 1, characterized in that: The furnace head (1) also includes a bottom plate (14), the outer ring boss (111) and the inner ring boss (112) are arranged on the bottom plate (14); the outer ring empty mixing chamber (121) is provided with an outer ring partition wall (1211) for isolating the first air intake passage (131), and the outer ring partition wall (1211) is surrounded by the bottom plate (14) to form the The first air intake channel (131); the inner annular space mixing chamber (122) is provided with an inner ring partition wall (1221) for isolating the second air intake channel (132), and the inner ring isolates The wall (1221) surrounds the bottom plate (14) to form the second air intake channel (132). 3. The stove head according to claim 2, characterized in that: The first air intake passage (131) is provided with several and evenly distributed along the ring surface; the second air intake passage (132) is provided with one; among the several first air intake passages (131) at least One is located on the same radial direction as the second air intake channel (132). 4. The stove head according to claim 3, characterized in that: Both the first air intake channel (131) and the second air intake channel (132) are in the shape of a regular arc. 5. The stove head according to any one of claims 1-4, characterized in that: the outer surface of the inner ring boss (112) is also sleeved with a first adjustment device, and the first adjustment device is used for Adjust the size of the entrance of the second air intake channel (132). 6. The burner head according to claim 5, characterized in that: the first adjustment device includes an arc (21) matching the outer surface of the inner ring boss (112); The ring piece (22) at the lower end of the piece (21), the ring piece (22) is sleeved between the outer ring boss (111) and the inner ring boss (112); the ring piece (22 ) is provided with a reserved slot (221). 7. A burner head assembly for a gas stove, characterized in that it includes the burner head (1) according to any one of claims 1-6; The outer ring fire distributor (31), the inner ring fire distributor (32) covered on the inner ring air mixing chamber (122) and the center fire distributor ( 33); the outer surface of the outer ring fire distributor (31), the outer surface of the inner ring fire distributor (32) and the upper end surface of the central fire distributor (33) are provided with a number of fire distribution holes (311) . 8. The assembly according to claim 7, characterized in that: the upper end of the outer ring fire distributor (31) is also provided with a fire induction groove (312), and the fire ignition groove (312) is used to communicate with the outer ring space The space in the mixing chamber (121) and the outer ring fire distributor (31); the outer surface of the inner ring fire distributor (32) is provided with a fire hole leading to the inner ring air mixing chamber (122) (331), the fire ignition hole (331) and the fire ignition groove (312) are located on the same radial direction. 9. A gas stove, characterized in that it includes the assembly as claimed in claim 7 or 8, and also includes a valve body (8) and a valve body (8) for connecting the valve body (8) and the third gas delivery port The third air pipe (73), the connection between the third air pipe (73) and the third air delivery port is also provided with a third nozzle (731); it also includes a second guide pipe (42) connected in sequence, The damper (5), the second nozzle (62) and the second air pipe (72) and the sequentially connected first guide pipe (41), damper (5), first nozzle (61) and first air pipe (71); The first air pipe (71) and the second air pipe (72) are also connected to the valve body (8); the first guiding pipe (41) is also connected to the first air delivery port, so The second guiding pipe (42) is also connected to the second air delivery port. 10. The gas stove according to claim 9, characterized in that: the second nozzle (731) is further provided with a second adjustment device, and the second adjustment device is arranged in the central air mixing chamber (123) Inside; the second adjusting device is used to adjust the spraying length of the third nozzle (731) in the central air mixing chamber (123).