Upper-air-inlet double-injection-pipe stove burner

Abstract

A stove burner with upper air inlet and double injection pipes comprises an air inlet connector, a furnace end, a fire distributor base, a center fire cover, an outer ring fire cover, an ignition needle and an induction needle, and the furnace end comprises a base plate, an outer ring air cavity, an outer ring premixing cavity, an outer ring air outlet connector, an outer ring injection pipe, a center air cavity, a lower center air groove, a center nozzle base and a center injection pipe. The gas inlet connector is communicated and fixed with the outer ring air cavity, the outer ring nozzle at the gas outlet end extends into the outer ring air cavity and is opposite to the outer ring injection pipe, the distributor base is buckled with the furnace end, and a bottom plate of the outer ring gas groove is located above the outer ring air cavity. The center air inlet connector is communicated with the center air cavity, the upper center air groove and the lower center air groove form a center air channel, and the outer ring air outlet connector is communicated with the outer ring air inlet connector. And the ignition needle and the induction needle are fixed with a seat plate at the rear part of the outer ring air cavity. The center injection pipe and the outer ring injection pipe are arranged at different positions, the center nozzle and the outer ring nozzle inject air in independent spaces, and the air is stable and sufficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stove burner. BACKGROUND

[0002] The prior art, Chinese patent 202121855176.7, a tooth groove type upper air inlet burner, which comprises a burner head, a flow divider seat, an ignition needle, a sensing needle, a center fire cover and an outer ring fire cover, the flow divider seat is arranged on the burner head, the center air inlet cavity is communicated with the center fire cover seat, the upper end of the outer ring air inlet cavity is communicated with the outer ring air inlet interface, the upper end of the primary air inlet cavity is attached to the lower surface of the flow divider seat, the center injection pipe is opposite to the nozzle on the center air inlet seat, and the outer injection pipe is opposite to the upper nozzle of the outer ring air inlet seat; the center fire cover is buckled with the upper end of the center fire cover seat, and the outer ring fire cover is buckled with the primary air slot, the ignition slot, the left circular-arc gas slot and the right circular-arc gas slot. The existing problems are: the air inlet seat structure is complex, the inner ring fire and the outer ring fire use one air inlet interface, the center air outlet seat and the outer ring air outlet seat spray gas, and there is a hidden danger of interference when injecting air. SUMMARY

[0003] The utility model aims at providing an upper air inlet double injection pipe stove burner, which has the characteristics that the center nozzle and the outer ring nozzle inject air without interference.

[0004] The utility model is realized in the following way: an upper air inlet double injection pipe stove burner, which is characterized in that: comprising an air inlet connector, a burner head, a flow divider seat, a center fire cover, an outer ring fire cover, an ignition needle and a sensing needle,

[0005] The burner head comprises a seat plate, an outer ring air cavity with an upper opening, an outer ring premixing cavity, outer ring air outlet interfaces arranged on the left and right, an outer ring injection pipe, a center air cavity, a lower center air slot, a center nozzle seat and a center injection pipe, the outer ring air cavity, the outer ring injection pipe and the outer ring premixing cavity are sequentially communicated, the center injection pipe and the center nozzle seat are communicated, and the lower center air slot and the center air cavity are communicated; the center injection pipe is arranged on the right side or the left side;

[0006] The flow divider seat comprises a center fire cover seat, a center air inlet interface, an upper center air slot, an outer ring gas slot, outer ring air inlet interfaces and ignition slots arranged on the left and right, the upper center air slot is connected with the center air inlet interface and connected with the outer ring gas slot,

[0007] The air inlet connector is communicated with the outer ring air cavity and fixed, the outer ring nozzle of the air outlet end extends into the outer ring air cavity and is opposite to the outer ring injection pipe, the flow divider seat and the burner head are buckled, the bottom plate of the outer ring gas slot is located above the outer ring air cavity, the center air inlet interface and the center air cavity are communicated, the upper center air slot and the lower center air slot form a center air passage, and the outer ring air outlet interface and the outer ring air inlet interface are communicated; the ignition needle and the sensing needle are fixed with the seat plate at the rear part of the outer ring air cavity.

[0008] Preferably, the outer ring air cavity extends upward through the seat plate, and the front wall plate is provided with an air inlet gap at the upper end;

[0009] The outer ring gas groove of the igniter seat is provided with an upper air cavity with a front opening and a lower opening at the bottom plate,

[0010] The upper air cavity and the outer ring air cavity are connected at the upper end, and the air inlet gap and the upper air cavity form an air inlet hole.

[0011] Preferably, the inner wall of the central air cavity is provided with an axial positioning groove;

[0012] The lower end of the central air inlet interface is provided with an axial positioning plate; the axial positioning plate and the axial positioning groove are inserted.

[0013] Preferably, it further comprises a radial rib plate connecting the central fire cover seat and the outer ring gas groove.

[0014] Preferably, the central ejector pipe has an angle from the air inlet end to the air outlet end.

[0015] Preferably, the central fire cover is circular and provided with a lower opening central circular groove on the lower surface;

[0016] The central fire cover seat comprises a deep and shallow central combustion groove provided at the upper end and an axial column provided in the central fire cover seat and extending upward,

[0017] The axial column is supported by the top plate of the central circular groove and cooperates with the circumferential surface of the inner ring wall plate.

[0018] Preferably, the outer ring fire cover is circular and provided with an outer circular groove with a lower opening,

[0019] The outer ring wall plate of the outer ring gas groove is provided with an outer ring combustion groove with alternating depths at the upper end, and the circumferential end plate is provided with an end fire combustion groove;

[0020] The upper end of the outer ring gas groove extends into the outer circular groove.

[0021] Preferably, the outer ring fire cover is in the shape of an inverted circular truncated cone, and the upper end of the outer ring gas groove is in the shape of an inverted circular truncated cone.

[0022] Preferably, the seat plate is provided with an annular shoulder and a fixing groove.

[0023] Preferably, the bottom of the outer ring premixing cavity is provided with a bottom process hole, and the outer ring wall plate is provided with a rear process hole opposite to the outer ring ejector pipe;

[0024] It further comprises a bottom cover covering the bottom process hole and fixed with the outer ring premixing cavity, and a rear cover embedded in the rear process hole and fixed.

[0025] The utility model discloses a kind of upper air inlet double-inducer pipe cooking utensil burners, center induction pipe and outer ring induction pipe are arranged in different positions, center nozzle and outer ring nozzle respectively in independent space induction air, air is stable and sufficient. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the front view of the utility model.

[0027] Figure 2 It is the rear view of the utility model.

[0028] Figure 3 It is Figure 1 A-A view of.

[0029] Figure 4 It is Figure 1 B-B view of.

[0030] Figure 5 It is one of the utility model's perspective exploded view.

[0031] Figure 6 It is the second perspective exploded view of the utility model.

[0032] Figure 7 It is the front view of the utility model's furnace end.

[0033] Figure 8 It is the perspective view of the utility model. DETAILED DESCRIPTION

[0034] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0035] In the description of the utility model, it needs to be explained that, unless explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrally connected, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0036] As Figure 1 , Figure 3 , Figure 4 Shown, a kind of upper air inlet double-inducer pipe cooking utensil burners, including gas inlet connector 1, furnace end 2, fire divider seat 3, center fire cover 4, outer ring fire cover 5, ignition needle 6 and inductive needle 7,

[0037] The furnace head 2 comprises a seat plate 20, an outer ring air cavity 21 provided on the front lower surface of the seat plate 20 and extending upward through the upper opening of the seat plate 20, an outer ring premixing cavity 22 provided on the rear lower surface of the seat plate 20, outer ring gas outlet interfaces 23 provided on the upper surface of the seat plate 20 and arranged left and right, an outer ring ejection pipe 24, a central air cavity 25, a lower central air groove 26, a central nozzle seat 27 and a central ejection pipe 28, the outer ring air cavity 21, the outer ring ejection pipe 24 and the outer ring premixing cavity 22 are sequentially communicated, the central ejection pipe 28 and the central nozzle seat 27 are communicated, and the lower central air groove 26 and the central air cavity 25 are communicated; the central ejection pipe 28 is arranged on the right side or the left side; the outer ring premixing cavity is in a circular arc shape, and the volume gradually increases from bottom to top; the two ends of the outer ring premixing cavity are respectively communicated with one outer ring gas outlet interface 23; and the outer ring air cavity 21 is provided with a mounting hole;

[0038] The burner seat 3 comprises a central fire cap seat 31, a central gas inlet interface 32, an upper central air groove 33 with an upper opening, an outer ring gas groove 34, outer ring gas inlet interfaces 35 arranged left and right and an ignition groove 36, the upper central air groove 33 is connected with the central gas inlet interface 32 and connected with the outer ring gas groove 34, and the ignition groove 36 and the upper central air groove 33 are arranged in a top and bottom mode,

[0039] The air inlet joint 1 is matched with the mounting hole of the outer ring air cavity 21 and communicated with the outer ring air cavity 21, the outer ring nozzle of the gas outlet end extends into the outer ring air cavity 21 and is opposite to the outer ring ejection pipe 24, the burner seat 3 and the furnace head 2 are buckled, the front part of the bottom plate of the outer ring gas groove 34 is located above the outer ring air cavity 21, the central gas inlet interface 32 and the central air cavity 25 are communicated, the upper central air groove 33 and the lower central air groove 26 form a central air passage, and the outer ring gas outlet interface 23 and the outer ring gas inlet interface 35 are communicated; the ignition needle 6 and the induction needle 7 are fixed with the seat plate at the rear part of the outer ring air cavity 21.

[0040] By adopting the structure, (1) the gas is sprayed out through the air inlet joint 1 and the outer ring nozzle of the gas outlet end, the air from the upper part of the cooktop panel enters the outer ring air cavity 21, the gas and the air enter the outer ring ejection pipe 34 together, then enter the outer ring premixing cavity, the outer ring gas outlet interface, the outer ring gas inlet interface and the outer ring gas groove; (2) the gas enters the central ejection pipe and the central nozzle seat through the central nozzle; at the same time, the air enters the central air cavity through the central air passage, and then the gas and the air enter the central gas inlet interface and then enter the central fire cap seat; the ejection air does not interfere with each other.

[0041] As a further improvement of the utility model, the outer ring air cavity 21 extends upward through the seat plate 20, and the upper end of the front wall plate is provided with an air inlet gap 211;

[0042] The bottom plate of the outer ring gas groove 34 of the burner seat 3 is provided with an upper air cavity 37 with a front opening and a lower opening,

[0043] The upper air cavity 37 and the upper end of the outer ring air cavity 21 are butted, and the air inlet gap 211 and the front opening of the upper air cavity 211 form an air inlet hole. With such a structure, the left-right direction flow is prevented, and the air entering the outer ring air cavity is affected; windproof is realized.

[0044] As a further improvement of the utility model: the inner wall of the central air cavity 25 is provided with an axial positioning groove 251;

[0045] The lower end of the central air inlet interface 32 is provided with an axial positioning plate 321, and the upper air groove of the axial positioning plate 321 at the rear is communicated;

[0046] The axial positioning plate 321 and the axial positioning groove 251 are inserted.

[0047] As a further improvement of the utility model: as shown in Figure 1 The radial rib plate is respectively provided with X-axis and Y-axis, the radial rib plate in the positive direction of the Y-axis and the ignition groove are on a radius line, and are distributed above and below the upper central air groove 33;

[0048] The radial rib plate 38 connects the central fire cover seat 31 and the outer ring gas groove 34.

[0049] As a further improvement of the utility model: as shown in Figure 4 The central draft tube 28 has an angle α from the air inlet end to the air outlet end. With such a design, the gas quickly enters the central nozzle seat.

[0050] The central fire cover 4 is circular and the lower surface is provided with a lower opening central circular groove 41;

[0051] The central fire cover seat 31 includes a deep and shallow central combustion groove (not marked) arranged at the upper end and an axial column 311 arranged in the central fire cover seat 31 and extending upward,

[0052] The axial column 311 is supported with the top plate of the central circular groove 41 and cooperates with the circumferential surface of the inner ring wall plate.

[0053] The outer ring fire cover 5 is circular ring-shaped and is provided with a lower opening outer circular groove 51,

[0054] The outer ring wall plate of the outer ring gas groove 34 is provided with a deep and shallow outer ring combustion groove (not marked) at the upper end, and a circumferential end plate is provided with an end ignition combustion groove 341;

[0055] The upper end of the outer ring gas groove 34 extends into the outer circular groove 51.

[0056] The outer ring fire cover 5 is inverted circular conical, and the upper end of the outer ring gas groove 34 is inverted circular conical.

[0057] As a further improvement of the utility model: the seat plate 20 is equipped with annular shoulder 201 and fixed groove 202. In use, the upper part of seat plate 20 passes through the center hole of the liquid receiving disc of the stove, the fixed plate in the center hole is embedded with fixed groove 202 and is fixed with screw.

[0058] As a further improvement of the utility model: the bottom of outer ring premixing cavity 22 is equipped with bottom process hole 221, the outer ring wall plate is equipped with rear process hole 222 and is opposite to outer ring injection pipe 24.

[0059] Still include bottom cover 81 and rear cover 82, bottom cover 81 covers bottom process hole 221 and is fixed with outer ring premixing cavity 22, rear cover 82 is embedded in rear process hole 222 and is fixed. With such structure, the mould structure is simple, and demoulding is convenient.

[0060] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A top air inlet dual induction pipe cooktop burner, characterized by: The burner comprises an air inlet joint, a burner head, a pilot seat, a center cap, an outer ring cap, an ignition needle and an induction needle, The burner head comprises a seat plate, an upper open outer ring air cavity, an outer ring premixing cavity, left and right outer ring gas outlet interfaces, an outer ring ejection pipe, a center air cavity, a lower center air groove, a center nozzle seat and a center ejection pipe, the outer ring air cavity, the outer ring ejection pipe and the outer ring premixing cavity are sequentially communicated, the center ejection pipe and the center nozzle seat are communicated, and the lower center air groove and the center air cavity are communicated; the center ejection pipe is arranged on the right side or the left side; The pilot seat comprises a center cap seat, a center air inlet interface, an upper center air groove, an outer ring gas groove, left and right outer ring air inlet interfaces and an ignition groove, the upper center air groove is connected with the center air inlet interface and connected with the outer ring gas groove, The air inlet joint is communicated with the outer ring air cavity and fixed, the outer ring nozzle of the gas outlet end extends into the outer ring air cavity and is opposite to the outer ring ejection pipe, the pilot seat and the burner head are buckled, the bottom plate of the outer ring gas groove is located above the outer ring air cavity, the center air inlet interface and the center air cavity are communicated, the upper center air groove and the lower center air groove form a center air passage, the outer ring gas outlet interface and the outer ring air inlet interface are communicated; the ignition needle and the induction needle are fixed with the seat plate at the rear part of the outer ring air cavity.

2. A top air inlet dual induction pipe range burner according to claim 1, characterized in that: The outer ring air cavity extends upward through the seat plate, and the upper end of the front wall plate is provided with an air inlet gap; The bottom plate of the outer ring gas groove of the pilot seat is provided with an upper air cavity with a front opening and a lower opening, The upper air cavity and the upper end of the outer ring air cavity are butted, and the air inlet gap and the upper air cavity form an air inlet hole.

3. A top air inlet dual induction pipe range burner according to claim 1, characterized in that: An axial positioning groove is arranged on the inner wall of the center air cavity; An axial positioning plate is arranged at the lower end of the center air inlet interface; the axial positioning plate and the axial positioning groove are inserted.

4. A top air inlet dual induction pipe range burner according to claim 1, characterized in that: A radial rib plate is further arranged, which connects the center cap seat and the outer ring gas groove.

5. A top air inlet dual induction pipe range burner as defined in claim 1 wherein: The center ejection pipe has an ascending angle from the air inlet end to the gas outlet end.

6. A top air inlet dual induction pipe range burner as defined in claim 1 wherein: The center cap is circular and provided with a lower open center circular groove on the lower surface; The center cap seat comprises a deep and shallow center combustion groove arranged at the upper end and an axial column arranged in the center cap seat and extending upward, The axial column is supported with the top plate of the center circular groove and matched with the circumferential surface of the inner ring wall plate.

7. A top air inlet dual induction pipe range burner as defined in claim 1 wherein: The outer ring cap is circular and provided with an outer circular groove with a lower opening, The upper end of the outer ring wall plate of the outer ring gas groove is provided with an outer ring combustion groove with deep and shallow intervals, and the circumferential end plate is provided with an end ignition combustion groove; The upper end of the outer ring gas groove extends into the outer circular groove.

8. A top air inlet dual induction pipe range burner as defined in claim 1 wherein: The outer ring cap is in the shape of an inverted circular truncated cone, and the upper end of the outer ring gas groove is in the shape of an inverted circular truncated cone.

9. An updraft dual-ducted range burner as described in claims 1, 2, 3, 4, 5, 6, 7 or 8, characterized by: The seat plate is provided with an annular shoulder and a fixing groove.

10. An updraft dual-jet pipe range burner as defined in claim 1, 2, 3, 4, 5, 6, 7 or 8, characterized in that: The bottom of the outer ring premixing cavity is provided with a bottom process hole, and the outer ring wall plate is provided with a rear process hole opposite to the outer ring ejection pipe; A bottom cover and a rear cover are further arranged, the bottom cover covers the bottom process hole and is fixed with the outer ring premixing cavity, and the rear cover is embedded in the rear process hole and fixed.

Images