A modular stove burner with upper air intake

Abstract

A modular stove burner with upper air inlet includes an outer ring burner head, an outer ring gas groove, an outer ring fire cover, an induction needle, an ignition needle, a center burner head, an annular center fire cover, a telescopic temperature sensor and an air inlet injection assembly. The ignition needle and the induction needle are assembled on the outer ring burner head to form an outer ring burner head module; the center burner head and the telescopic temperature sensor form a center burner head assembly; the center burner head assembly is inserted into the fixing hole of the outer ring burner head assembly, the center air inlet seat is connected with the center ejector pipe, the outer ring fire cover is buckled with the outer ring gas groove on the outer ring gas groove, and the annular center fire cover is buckled with the center annular gas groove. The burner head adopts the outer ring burner head and the center burner head, which simplifies the structure, has a simple mold structure, prolongs the service life of the mold, improves the yield rate, and is modularly assembled and easy to assemble.

Description

Technical Field

[0001] The invention relates to a stove burner, in particular to an upper air inlet type stove burner. Background Art

[0002] The existing technology at present is a kind of upper air inlet stove burner, the stove head structure is complicated, during die casting, the mold structure is complicated, the service life is short, and the yield is low. Summary of the invention

[0003] The purpose of the present invention is to provide a modular stove burner with upper air inlet, which has the characteristics of simple structure, simple mold structure, long service life and high yield.

[0004] The present invention is implemented as follows: a modular stove burner with upper air inlet, which is special in that it includes an outer ring burner, an outer ring gas groove, an outer ring fire cover, an induction needle, an ignition needle, a center burner, an annular center fire cover, a telescopic temperature sensor and an air inlet injection assembly,

[0005] The outer ring burner comprises a square base plate, a fixing hole arranged at the center of the square base plate, a central ejector pipe connected with the fixing hole, a crescent-shaped premixing chamber provided on the lower surface of the rear part of the square base plate, an air outlet seat arranged on the upper surface of the square base plate, an arc-shaped primary air inlet chamber arranged at the front and passing through the square base plate, a left ejector pipe and a right ejector pipe arranged on both sides and communicating with the crescent-shaped premixing chamber, and an induction needle fixing hole and an ignition needle fixing hole arranged on the square base plate, the air outlet seat is connected with the crescent-shaped premixing chamber, and the central ejector pipe is connected with the primary air inlet chamber; the radial inner side wall plate of the arc-shaped primary air inlet chamber extends upward to form a flow partition, the outer ring gas slot is connected with the gas outlet seat and fixedly connected, there is an expansion gap between the flow partition and the bottom plate of the outer ring gas slot, and the ignition needle and the induction needle are assembled on the square base plate to form an outer ring burner module;

[0006] The center burner includes a circular body, a central circular gas groove provided on the circular body, and a central air inlet seat communicating with the central circular gas groove. The rod of the telescopic temperature sensor is inserted into the central hole of the circular body on the axis. The lower end of the rod is fixed to the bottom of the center burner through a fixing device to form a center burner assembly.

[0007] The air intake and injection assembly includes a longitudinal seat plate, a central air intake interface arranged on the longitudinal seat plate, a central injection seat, an outer ring air intake interface, a transverse air guide channel, and a left injection seat and a right injection seat arranged at both ends of the transverse air guide channel; nozzles are respectively arranged on the central injection seat, the left injection seat and the right injection seat;

[0008] The central burner head assembly is inserted into the fixing hole of the outer ring burner head assembly, the central air inlet seat is connected with the central ejector pipe, the outer ring fire cover is buckled with the outer ring gas groove on the outer ring gas groove part, and the annular central fire cover is buckled with the central annular gas groove.

[0009] The special feature of the upper air inlet modular stove burner is that the arc-shaped primary air inlet cavity is provided with a central air inlet cavity, and the central air inlet cavity divides the arc-shaped primary air inlet cavity into a left air inlet cavity and a right air inlet cavity.

[0010] The special feature of the upper air inlet modular stove burner is that a horizontal primary air hole is arranged on the longitudinal seat plate of the air inlet injection assembly, and the horizontal primary air inlet hole is located on the upper part of the central injection seat.

[0011] The above-mentioned modular stove burner with upper air inlet is special in that: a seat frame plate connected to the fixing hole is provided on the square seat plate, two ends of the seat frame plate are connected to the air inlet ends of the left ejector pipe and the right ejector pipe, and the seat frame plate is fixed to the central ejector pipe;

[0012] The fixing hole includes an arc-shaped portion and a square portion, the square portion is connected to the seat frame plate, and the longitudinal groove on the seat frame plate is connected to the square portion;

[0013] The central air inlet seat of the central furnace head is square.

[0014] The central air intake seat is engaged with the longitudinal groove and the square portion, and the screw passes through the seat frame plate and is screwed with the central air intake seat.

[0015] The above-mentioned modular stove burner with upper air inlet is special in that it also includes a central air regulating pipe, a left air regulating pipe and a right air regulating pipe.

[0016] The external thread on the central regulating air pipe is screwed into the internal thread on the air outlet end of the central ejection pipe;

[0017] One end of the left air regulating pipe is inserted into the left ejection pipe, the screw is screwed with the left ejection pipe, and the end portion positions the left air regulating pipe. One end of the right air regulating pipe is inserted into the right ejection pipe, the screw is screwed with the right ejection pipe, and the end portion positions the right air regulating pipe.

[0018] The above-mentioned modular stove burner with upper air inlet is special in that: the fixing device comprises a fixing seat and a fastening seat, the fixing seat comprises a fixing semicircular body, a semicircular fixing groove arranged on the fixing semicircular body and a fixing seat plate,

[0019] The fastening seat is semicircular, and a semicircular fastening groove is provided on the fastening seat;

[0020] The rod of the telescopic temperature sensor is engaged with the semicircular fixing groove and the semicircular fastening groove, the screw passes through the connecting hole on the fastening seat and is screwed into the screw hole of the fixing seat, the fixed semicircular body and the fastening seat are inserted into the central hole of the annular body of the center furnace head, and the fixing seat is fixed to the lower end of the annular body.

[0021] The special feature of the upper air inlet modular stove burner is that a mixed gas inlet cavity is provided on the outer ring gas groove, the lower end of the mixed gas inlet cavity is connected to the gas outlet seat of the outer ring burner, and the volume of the mixed gas inlet cavity gradually decreases from bottom to top.

[0022] The special feature of the upper air inlet modular stove burner is that: the two ends of the mixed gas inlet cavity are respectively provided with a left axial air inlet guide hole and a right axial air inlet guide hole which are connected to the outer ring gas groove of the outer ring gas groove member;

[0023] A left equalizing flow groove extending in the counterclockwise direction is provided at the counterclockwise end of the left axial air inlet guide hole, and a right equalizing flow groove extending in the clockwise direction is provided at the clockwise end of the right axial air inlet guide hole.

[0024] The invention discloses a modular stove burner with upper air inlet. The burner head adopts an outer ring burner head and a central burner head, which simplifies the structure, has a simple mold structure, prolongs the service life of the mold, improves the yield rate, and is modularly assembled and easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a cross-sectional view of the present invention.

[0026] Figure 2 yes Figure 1 A-A view of.

[0027] Figure 3 yes Figure 1 B-B view.

[0028] Figure 4 yes Figure 3 C-C view of the .

[0029] Figure 5 It is one of the three-dimensional diagrams of the outer ring furnace head of the present invention.

[0030] Figure 6 This is the second stereogram of the outer ring furnace head of the present invention.

[0031] Figure 7 It is one of the three-dimensional exploded views of the present invention.

[0032] Figure 8 It is the second of the three-dimensional exploded diagrams of the present invention.

[0033] Fig. 9 It is three-dimensional exploded view of the present invention.

[0034] Fig.10 It is four of the three-dimensional exploded views of the present invention.

[0035] Fig.11 It is a front view of the outer ring gas groove of the present invention.

[0036] Fig.12 It is one of the stereograms of the present invention.

[0037] Fig.13 It is two of the three-dimensional diagrams of the present invention. DETAILED DESCRIPTION

[0038] The present invention will be further described below in conjunction with the accompanying drawings.

[0039] like Figure 1 As shown, a modular stove burner with upper air inlet comprises an outer ring burner head 1, an outer ring gas groove 2, an outer ring fire cover 3, a sensing needle 41, an ignition needle 42, a center burner head 5, a ring-shaped center fire cover 5A, a telescopic temperature sensor 6 and an air inlet injection assembly 7.

[0040] like Figure 2 , Figure 5 , Figure 6 As shown, the outer ring furnace head 1 includes a square base plate 11, a fixing hole 12 arranged at the center of the square base plate, a central ejector tube 13 connected to the fixing hole, a crescent-shaped premixing chamber 14 provided on the lower surface of the rear part of the square base plate, an air outlet seat 141 arranged on the upper surface of the square base plate, an arc-shaped primary air inlet chamber 15 arranged at the front and passing through the square base plate, a left ejector tube 161 and a right ejector tube 162 arranged on both sides and communicating with the crescent-shaped premixing chamber 14, and an induction needle fixing hole 171 and an ignition needle fixing hole 172 arranged on the square base plate, the air outlet seat 141 is connected to the crescent-shaped premixing chamber 14, the central ejector tube 13 is connected to the primary air inlet chamber 15; the left ejector tube 161 and the right ejector tube 162 are connected to the crescent-shaped premixing chamber 14 The outer ring gas groove 2 is connected to the gas outlet seat 141 and is fixedly connected. There is an expansion gap between the upper end of the flow divider 15A and the bottom plate of the outer ring gas groove 2. The expansion gap is a movable gap when the outer ring fire cover 3 is burned and expanded, and the outer ring burner head 1 is heated and expanded. The setting of the flow divider 15A can prevent the flame of the annular center fire cover 5A from entering the arc-shaped primary air intake cavity 15; the ignition needle 42 and the induction needle 41 are assembled on the square seat plate 11 to form an outer ring burner head module; the secondary air enters from the gap between the square seat plate 11 and the outer ring gas groove 2 between the gas outlet seat 141 and the flow divider 15A;

[0041] like Figure 7 , Figure 8As shown, the center burner 5 comprises a circular ring body 51, a center circular gas groove 52 arranged on the circular ring body and a center air intake seat 53 communicating with the center circular gas groove, the center air intake seat 53 is arranged on the outer circumferential surface of the lower part of the circular ring body, the circular ring body 51 is provided with steps, and the steps intersect with the upper end surface of the center air intake seat 53; the rod 61 of the telescopic temperature sensor 6 is inserted into the center hole of the circular ring body 51 on the axis, and the lower end of the rod 61 is fixed to the bottom of the center burner 5 by a fixing device to form a center burner assembly;

[0042] The air intake and injection assembly 7 comprises a longitudinal seat plate 71, a central air intake interface 72 arranged on the longitudinal seat plate, a central injection seat 721, an outer ring air intake interface 73, a transverse air guide 731 and a left injection seat 732 and a right injection seat 733 arranged at both ends of the transverse air guide; nozzles 8 are respectively arranged on the central injection seat 721, the left injection seat 732 and the right injection seat 733;

[0043] The central burner assembly is inserted into the fixing hole 12 of the outer ring burner assembly, the steps of the annular body 51 cooperate with the square seat plate 11 to stop; the central air inlet seat 53 is connected with the central ejector pipe 13, the outer ring fire cover 3 is buckled with the outer ring gas groove on the outer ring gas groove member 2, and the annular central fire cover 5A is buckled with the central annular gas groove 52. Modular assembly is achieved.

[0044] The arc-shaped primary air inlet cavity 15 is provided with a central air inlet cavity 151, which divides the arc-shaped primary air inlet cavity 15 into a left air inlet cavity 152 and a right air inlet cavity 153. The central air inlet cavity 151, the left air inlet cavity 152 and the right air inlet cavity 153 are respectively opposite to the nozzles 8 on the central jet seat 721, the left jet seat 732 and the right jet seat 733;

[0045] A horizontal primary air hole 74 is provided on the longitudinal seat plate 71 of the air intake injection assembly 7 . The horizontal primary air intake hole 74 is located on the upper part of the central injection seat 721 and cooperates with the nozzle 8 of the central injection seat 721 .

[0046] The square seat plate 11 is provided with a seat frame plate 18 connected to the fixing hole 12, both ends of the seat frame plate 18 are connected to the air inlet ends of the left ejection pipe 161 and the right ejection pipe 162, and the seat frame plate 18 is fixed to the central ejection pipe 13;

[0047] The fixing hole 12 includes an arc-shaped portion 121 and a square portion 122, the square portion 122 is connected to the seat frame plate 18, and the longitudinal groove on the seat frame plate 18 is connected to the square portion;

[0048] The central air inlet seat 53 of the central furnace head 5 is square.

[0049] The central air intake seat 53 is engaged with the longitudinal groove and the square portion 122 , and the screw passes through the seat frame plate 18 and is screwed into the central air intake seat 53 .

[0050] It also includes a central air regulating pipe 91, a left air regulating pipe 92 and a right air regulating pipe 93.

[0051] The external thread on the central regulating air pipe 91 is screwed into the internal thread on the air outlet end of the central ejection pipe 13;

[0052] One end of the left gas regulating pipe 92 is inserted into the left ejection pipe 161, and the screw is screwed with the left ejection pipe 161, and the end position is used to position the left gas regulating pipe 92. One end of the right gas regulating pipe 93 is inserted into the right ejection pipe 162, and the screw is screwed with the right ejection pipe 162, and the end position is used to position the right gas regulating pipe 93. The central gas regulating pipe 91, the left gas regulating pipe 92 and the right gas regulating pipe 93 move relative to the air intake injection assembly 7 to adjust the ratio of gas and air.

[0053] The fixing device comprises a fixing seat 19 and a fastening seat 20. The fixing seat 19 comprises a fixing semicircular body 191, a semicircular fixing groove 192 provided on the fixing semicircular body and a fixing seat plate 193.

[0054] The fastening seat 20 is semicircular, and a semicircular fastening groove 201 is provided on the fastening seat;

[0055] The rod 61 of the telescopic temperature sensor 6 is engaged with the semicircular fixing groove 192 and the semicircular fastening groove 201, the screw passes through the connecting hole on the fastening seat 20 and is screwed into the screw hole of the fixing seat 19, the fixing semicircular body 191 and the fastening seat 20 are inserted into the center hole of the annular body 51 of the center furnace head 5, and the fixing seat 193 is fixed to the lower end of the annular body 51.

[0056] The outer ring gas groove 2 is provided with a mixed gas inlet cavity 21, the lower end of which is butted against the gas outlet seat 142 of the outer ring furnace head 1, and the volume of the mixed gas inlet cavity 21 gradually decreases from bottom to top;

[0057] The two ends of the mixed gas inlet cavity 21 are respectively provided with a left axial air inlet guide hole 211 and a right axial air inlet guide hole 212 which are connected to the outer ring gas groove of the outer ring gas groove member 2;

[0058] like Fig.11 As shown, the counterclockwise end of the left axial gas inlet hole 211 is provided with a left equalizing groove 2111 extending in the counterclockwise direction, and the clockwise end of the right axial gas inlet hole 212 is provided with a right equalizing groove 2121 extending in the clockwise direction. With such a structure, the gas in the outer ring gas groove is evenly distributed.

[0059] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims

1. A modular stove burner with upper air inlet, characterized in that: It includes an outer ring burner head, an outer ring gas groove, an outer ring fire cover, an induction needle, an ignition needle, a center burner head, a ring-shaped center fire cover, a telescopic temperature sensor and an air intake injection component. The outer ring burner comprises a square base plate, a fixing hole arranged at the center of the square base plate, a central ejector pipe connected with the fixing hole, a crescent-shaped premixing chamber provided on the lower surface of the rear part of the square base plate, an air outlet seat arranged on the upper surface of the square base plate, an arc-shaped primary air inlet chamber arranged at the front and passing through the square base plate, a left ejector pipe and a right ejector pipe arranged on both sides and communicating with the crescent-shaped premixing chamber, and an induction needle fixing hole and an ignition needle fixing hole arranged on the square base plate, the air outlet seat is connected with the crescent-shaped premixing chamber, and the central ejector pipe is connected with the primary air inlet chamber; the radial inner side wall plate of the arc-shaped primary air inlet chamber extends upward to form a flow partition, the outer ring gas slot is connected with the gas outlet seat and fixedly connected, there is an expansion gap between the flow partition and the bottom plate of the outer ring gas slot, and the ignition needle and the induction needle are assembled on the square base plate to form an outer ring burner module; The center burner includes a circular body, a central circular gas groove provided on the circular body, and a central air inlet seat communicating with the central circular gas groove. The rod of the telescopic temperature sensor is inserted into the central hole of the circular body on the axis. The lower end of the rod is fixed to the bottom of the center burner through a fixing device to form a center burner assembly. The air intake and injection assembly includes a longitudinal seat plate, a central air intake interface arranged on the longitudinal seat plate, a central injection seat, an outer ring air intake interface, a transverse air guide channel, and a left injection seat and a right injection seat arranged at both ends of the transverse air guide channel; nozzles are respectively arranged on the central injection seat, the left injection seat and the right injection seat; The central burner head assembly is inserted into the fixing hole of the outer ring burner head assembly, the central air inlet seat is connected with the central ejector pipe, the outer ring fire cover is buckled with the outer ring gas groove on the outer ring gas groove part, and the annular central fire cover is buckled with the central annular gas groove; The arc-shaped primary air inlet cavity is provided with a central air inlet cavity, and the central air inlet cavity divides the arc-shaped primary air inlet cavity into a left air inlet cavity and a right air inlet cavity; The square base plate is provided with a base plate connected to the fixing hole, the two ends of the base plate are connected to the air inlet ends of the left ejector tube and the right ejector tube, and the base plate is fixed to the central ejector tube; The fixing hole includes an arc-shaped portion and a square portion, the square portion is connected to the seat frame plate, and the longitudinal groove on the seat frame plate is connected to the square portion; The central air inlet seat of the central furnace head is square. The central air intake seat is engaged with the longitudinal groove and the square portion, and the screw passes through the seat frame plate and is screwed with the central air intake seat.

2. The upper air inlet modular stove burner according to claim 1, characterized in that: A horizontal primary air hole is arranged on the longitudinal seat plate of the air intake injection assembly, and the horizontal primary air intake hole is located on the upper part of the central injection seat.

3. The upper air inlet modular stove burner according to claim 1, characterized in that: It also includes the central air pipe, the left air pipe and the right air pipe. The external thread on the central regulating air pipe is screwed into the internal thread on the air outlet end of the central ejection pipe; One end of the left air regulating pipe is inserted into the left ejection pipe, the screw is screwed into the screw hole on the left ejection pipe, and the end position the left air regulating pipe; one end of the right air regulating pipe is inserted into the right ejection pipe, the screw is screwed into the screw hole on the right ejection pipe, and the end position the right air regulating pipe.

4. The upper air inlet modular stove burner according to claim 1, characterized in that: The fixing device comprises a fixing seat and a fastening seat, wherein the fixing seat comprises a fixing semicircular body, a semicircular fixing groove arranged on the fixing semicircular body and a fixing seat plate. The fastening seat is semicircular, and a semicircular fastening groove is provided on the fastening seat; The rod of the telescopic temperature sensor is engaged with the semicircular fixing groove and the semicircular fastening groove, the screw passes through the connecting hole on the fastening seat and is screwed into the screw hole of the fixing seat, the fixed semicircular body and the fastening seat are inserted into the central hole of the annular body of the center furnace head, and the fixing seat is fixed to the lower end of the annular body.

5. The upper air inlet modular stove burner according to claim 1, characterized in that: The outer ring gas groove is provided with a mixed gas inlet cavity, the lower end of which is butted against the gas outlet seat of the outer ring burner head, and the volume of the mixed gas inlet cavity gradually decreases from bottom to top.

6. The upper air inlet modular stove burner according to claim 5, characterized in that: The two ends of the mixed gas inlet cavity are respectively provided with a left axial air inlet guide hole and a right axial air inlet guide hole which are connected to the outer ring gas groove of the outer ring gas groove member; A left equalizing flow groove extending in the counterclockwise direction is provided at the counterclockwise end of the left axial air inlet guide hole, and a right equalizing flow groove extending in the clockwise direction is provided at the clockwise end of the right axial air inlet guide hole.

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