Premixing type gas inlet stove core structure

Abstract

The utility model belongs to the technical field of kitchen equipment, and particularly relates to a stove core structure of a premixing type gas inlet stove. Comprising a furnace core, an air pipe, an air inlet pipe, a kindling gas pipe and a flameout induction needle, the air pipe and the kindling gas pipe are installed on the furnace core, the air pipe is communicated with the air inlet pipe, fan blades and a breather pipe are arranged in the air pipe, the breather pipe is communicated with the lower end of the kindling gas pipe, and the upper end of the kindling gas pipe penetrates through the furnace core to be used for fire outlet. The flameout induction needle is installed at the upper end of the furnace core. The gas inlet pipe is communicated with the air pipe, coal gas can be introduced into the air pipe through the gas inlet pipe, air is introduced into the air pipe, the air and the coal gas are premixed through the fan blades in the air pipe, and the premixed gas is exhausted through the gas outlet hole formed in the upper end of the furnace core. The flameout sensing needle mounted at the upper end of the furnace core can be used for sensing whether the upper end of the kindling gas pipe emits fire or not, so that gas can be timely controlled to be cut off after flameout, and the safety performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to kitchen equipment technical field, especially relate to a premixing type air inlet stove core structure. BACKGROUND

[0002] The stove core in the gas stove mostly works in the way of premixing and combustion, the stove core is connected with the gas pipe and the air pipe separately, and is controlled by the gas valve and the air valve respectively, and a high-power fan is used to provide the air source.

[0003] However, the existing gas stove is difficult to control the gas inlet during use, and the gas is often still flowing after the flame is extinguished, which is not safe enough. Therefore, it is necessary to design a premixing type air inlet stove core structure to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a premixing type air inlet stove core structure to solve the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a premixing type air inlet stove core structure, which comprises a stove core, an air pipe, an air inlet pipe, a fire gas pipe and an extinguishing induction needle, the stove core is provided with the air pipe and the fire gas pipe, the air pipe is communicated with the air inlet pipe, the air pipe is provided with an air blade and an air pipe, the air pipe is communicated with the lower end of the fire gas pipe, the upper end of the fire gas pipe passes through the stove core and is used for discharging fire, the upper end of the stove core is provided with an air outlet hole, and the extinguishing induction needle is installed on the upper end of the stove core.

[0006] Further, the premixing type air inlet stove core structure further comprises an air inlet valve, and the air inlet valve is installed on the air inlet pipe.

[0007] Further, the air outlet hole is provided with a plurality of air outlet holes, and the plurality of air outlet holes are arranged in an annular array on the upper end face of the stove core.

[0008] Further, the premixing type air inlet stove core structure further comprises a mounting pipe, the upper end of the stove core is connected with the mounting pipe, and the extinguishing induction needle is used for being inserted into the inner side of the upper end of the mounting pipe.

[0009] Further, the premixing type air inlet stove core structure further comprises a jig, the jig is located on the upper end of the stove core, the jig comprises a fence and a cover, the air outlet hole is located on the inner side of the fence, the cover is connected with the fence and covers the upper end of the extinguishing induction needle and the fire gas pipe, a communication opening is formed in the cover and is used for being communicated with the inner side of the fence, a groove matched with the jig is formed in the top of the stove core, and the inner diameter of the groove is matched with the outer diameter of the jig.

[0010] The technical effects and advantages of the utility model are as follows:

[0011] 1. The extinguishing induction needle is installed on the upper end of the furnace core, which can be used for sensing whether the upper end of the fire gas pipe is on fire, and is beneficial to timely control of the gas disconnection after extinguishing, so as to improve the safety performance.

[0012] 2. The upper end of the extinguishing induction needle and the fire gas pipe is shielded by the cover on the jig, so as to avoid the influence of water flow on the normal induction of the extinguishing induction needle or the extinguishing of the upper end of the fire gas pipe. In addition, the air outlet hole is located in the inner side of the enclosure on the jig, so as to prevent the water flow from extinguishing the flame above the air outlet hole.

[0013] Other features and advantages of the utility model will be described in the subsequent description, and some of them will become apparent from the description or be understood by the implementation of the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure indicated in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0015] Figure 1 The structure schematic view of the premixing type air inlet stove furnace core structure of the embodiment of the utility model is shown.

[0016] Figure 2 The partial structure schematic view of the premixing type air inlet stove furnace core structure of the embodiment of the utility model is shown.

[0017] Figure 3 The structure schematic view of another view angle of the premixing type air inlet stove furnace core structure of the embodiment of the utility model is shown.

[0018] Figure 4 The structure sectional view of the air pipe of the embodiment of the utility model is shown.

[0019] Signs: 1, furnace core; 11, air outlet hole; 2, air pipe; 3, air inlet pipe; 31, air inlet valve; 4, fire gas pipe; 51, extinguishing induction needle; 52, electronic ignition needle; 61, fan blade; 62, air pipe; 7, mounting pipe; 8, jig; 81, enclosure; 82, cover; 821, communication port. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be clearly and completely explained in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] As shown in the drawings, Figures 1 to 4 The premixing type gas inlet stove core structure of the embodiments of the utility model, including stove core 1, air pipe 2, gas inlet pipe 3, fire gas pipe 4 and fire extinguishing induction needle 51, stove core 1 is installed with air pipe 2 and fire gas pipe 4, air pipe 2 is communicated with gas inlet pipe 3, air pipe 2 is provided with fan blade 61 and air pipe 62, air pipe 62 is communicated with the lower end of fire gas pipe 4, the upper end of fire gas pipe 4 passes through stove core 1 and is used for fire, the upper end of stove core 1 is provided with gas outlet hole 11, fire extinguishing induction needle 51 is installed on the upper end of stove core 1.

[0022] Specifically, fire gas pipe 4 is parallel with the axial direction of stove core 1, and is parallel to stove core 1; the upper and lower ends of fire gas pipe 4 pass through stove core 1. The middle part of fire gas pipe 4 is provided with a branch pipe for gas inlet, and the lower end of fire gas pipe 4 communicates with air pipe 62 through air pipe 2. Secondly, fire gas pipe 4 and gas inlet pipe 3 are located on the left and right sides of air pipe 2. In addition, air pipe 2 is coaxially distributed with stove core 1, and the diameter of air pipe 2 is smaller than the diameter of stove core 1.

[0023] In this embodiment, when air is introduced into air pipe 2, air pipe 62 is used to communicate with fire gas pipe 4, air in air pipe 2 is introduced into fire gas pipe 4, gas is introduced into fire gas pipe 4 through the branch pipe in the middle part of fire gas pipe 4, air and gas flow to the upper end of fire gas pipe 4, and the air and gas are ignited by ignition, so that the upper end of fire gas pipe 4 is fired. Secondly, by communicating gas inlet pipe 3 with air pipe 2, gas can be introduced into air pipe 2 through gas inlet pipe 3, and by introducing air into air pipe 2, air and gas are premixed by fan blade 61 in air pipe 2, and the premixed gas is discharged through the gas outlet hole 11 opened in the upper end of stove core 1. In addition, by installing fire extinguishing induction needle 51 on the upper end of stove core 1, it can be used to sense whether the upper end of fire gas pipe 4 is fired, which is beneficial to timely control of gas cut-off after extinguishing, thereby improving safety performance.

[0024] Optionally, as shown in the drawings, Figures 1 to 3 The premixing type gas inlet stove core structure further comprises a gas inlet valve 31, and the gas inlet valve 31 is installed on the gas inlet pipe 3.

[0025] In the embodiment, by installing the air inlet valve 31 on the air inlet pipe 3, whether the gas is introduced into the air inlet pipe 3 can be controlled by the air inlet valve 31. Specifically, when the upper end of the fire gas pipe 4 is out of fire, the air inlet valve 31 is opened, so that the gas is introduced into the air pipe 2 through the air inlet pipe 3 to be premixed with the air. When the upper end of the fire gas pipe 4 is out of fire sensed by the fire-out sensing needle 51, the air inlet valve 31 is closed, so that the gas stops being introduced into the air pipe 2 from the air inlet pipe 3.

[0026] Optionally, as shown in Figure 1 and Figure 2 , the gas outlet hole 11 is provided with a plurality of gas outlet holes 11 arranged in an annular array on the upper end surface of the furnace core 1.

[0027] In the embodiment, the upper end surface of the furnace core 1 is arranged in an annular array with a plurality of gas outlet holes 11, which can make the overall gas outlet of the furnace core 1 more uniform, facilitating uniform heating.

[0028] Optionally, as shown in Figure 3 , the premixing air inlet stove core structure further comprises a mounting pipe 7, the mounting pipe 7 is connected to the upper end of the furnace core 1, and the fire-out sensing needle 51 is inserted into the inner side of the upper end of the mounting pipe 7.

[0029] Specifically, the premixing air inlet stove core structure further comprises an electronic ignition needle 52, which is also inserted into the mounting pipe 7 and used for ignition to ignite the air and gas at the upper end of the fire gas pipe 4. Secondly, the mounting pipe 7 is parallel to the axial direction of the furnace core 1 and is eccentrically arranged relative to the furnace core 1, the upper end of the mounting pipe 7 is flush with the upper end of the furnace core 1, and the lower end penetrates the furnace core 1.

[0030] In the embodiment, by connecting the mounting pipe 7 to the furnace core 1 and inserting the fire-out sensing needle 51 into the mounting pipe 7, it is beneficial to quickly install and disassemble the fire-out sensing needle 51.

[0031] Optionally, as shown in Figure 1 , the premixing air inlet stove core structure further comprises a jig 8, the jig 8 is located at the upper end of the furnace core 1, the jig 8 comprises a fence 81 and a cover 82, the gas outlet hole 11 is located inside the fence 81, the cover 82 is connected with the fence 81 and covers the upper end of the fire-out sensing needle 51 and the fire gas pipe 4, a communication opening 821 is formed in the cover 82 for communication with the inside of the fence 81, and a groove matching the jig 8 is formed in the top of the furnace core 1, and the inner diameter of the groove matches the outer diameter of the jig 8.

[0032] In this embodiment, by setting a fixture 8 at the upper end of the furnace core 1, the cover 82 on the fixture 8 can be used to shield the flameout sensing needle 51 and the upper end of the ignition gas pipe 4, preventing water flow from affecting the normal sensing of the flameout sensing needle 51 or extinguishing the flame at the upper end of the ignition gas pipe 4. Secondly, the vent 11 is located inside the enclosure 81 on the fixture 8, which can prevent water flow from extinguishing the flame above the vent 11. In addition, the cover 82 has a connecting port 821 for communicating with the inside of the enclosure 81, which can guide the flame generated at the upper end of the ignition gas pipe 4 to the vent 11, making it easier to ignite the premixed gas discharged from the vent 11.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A premixed air intake stove core structure, characterized in that, The furnace includes a furnace core (1), an air duct (2), an air inlet pipe (3), a ignition gas pipe (4), and a flameout sensor (51). The air duct (2) and the ignition gas pipe (4) are installed on the furnace core (1). The air duct (2) is connected to the air inlet pipe (3). The air duct (2) is equipped with a fan blade (61) and a ventilation pipe (62). The ventilation pipe (62) is connected to the lower end of the ignition gas pipe (4). The upper end of the ignition gas pipe (4) passes through the furnace core (1) for flame output. The upper end of the furnace core (1) is provided with an air outlet (11). The flameout sensor (51) is installed on the upper end of the furnace core (1). It also includes a fixture (8), which is located at the upper end of the furnace core (1). The fixture (8) includes a baffle (81) and a cover (82). The vent (11) is located inside the baffle (81). The cover (82) is connected to the baffle (81) and covers the upper end of the flameout sensor (51) and the ignition gas pipe (4). The cover (82) has a connecting port (821) for communicating with the inside of the baffle (81). The top of the furnace core (1) has a groove that matches the fixture (8), and the inner diameter of the groove matches the outer diameter of the fixture (8).

2. The premixed air intake stove core structure according to claim 1, characterized in that, It also includes an intake valve (31) which is mounted on the intake pipe (3).

3. The premixed air intake stove core structure according to claim 1, characterized in that, The gas outlet (11) is provided in multiple ways, and the multiple gas outlets (11) are arranged in a ring array on the upper end face of the furnace core (1).

4. The premixed air intake stove core structure according to claim 1, characterized in that, It also includes an installation tube (7), the upper end of the furnace core (1) is connected to the installation tube (7), and the flameout sensing needle (51) is used to insert into the inner side of the upper end of the installation tube (7).

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