Dry-burning-resistant upper air inlet stove burner

Abstract

An anti-dry-burning upper air inlet stove burner comprises a furnace end, an air inlet seat, a fire distributor seat, an inner fire cover, an outer ring fire cover, an ignition needle, an induction needle and a telescopic temperature sensor, a central air outlet seat extends into a central injection pipe, and a left air outlet seat and a right air outlet seat are opposite to a left injection pipe and a right injection pipe respectively; the ignition needle and the induction needle are fixed to the ignition needle hole and the induction needle hole respectively, the air inlet connector is inserted into an outer ring wall plate of the center annular air inlet seat, the outer ring wall plate supports the fire distributor seat, and the air outlet seat is in butt joint with the outer ring air inlet and supports the fire distributor seat. An inner ring wall plate of the central annular air inlet seat is inserted into an inner connector of an inner ring wall plate of the inner annular combustion cavity, and an outer connector of an outer ring wall plate of the central annular air inlet seat is inserted into the central cavity; a rod portion of the telescopic temperature sensor is fixed to the lower end of an axis hole of the central annular air inlet seat, and a telescopic head portion extends out of the top of the inner fire cover. The furnace end is integrally formed, the structure is simplified, work efficiency is high, the temperature rise of the telescopic head is low through the heat shield, and precision is improved.

Description

Technical Field

[0001] The utility model relates to a burner for a cooking stove. Background Art

[0002] In the current prior art, Chinese Patent No. 202022997273.1, an upward air intake modular burner for a cooking stove, includes an outer ring burner head, an outer ring gas tank part, an outer ring burner cap, an induction needle, an ignition needle, a central burner head, a ring-shaped central burner cap, a telescopic temperature sensor, and an air intake injection component. The ignition needle and the induction needle are assembled on the outer ring burner head to form an outer ring burner head module; the central burner head and the telescopic temperature sensor form a central burner head component; the central burner head component is inserted into the fixing hole of the outer ring burner head component, the central air intake seat is communicated with the central injection pipe, the outer ring burner cap is buckled with the outer ring gas tank on the outer ring gas tank part, and the ring-shaped central burner cap is buckled with the central ring-shaped gas tank. The problems are as follows: The burner heads are manufactured separately by the outer ring burner head and the central burner head and then assembled; the structure is complex and the work efficiency is low; the temperature of the telescopic head of the telescopic temperature sensor is high. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an anti-dry-burning upward air intake burner for a cooking stove, which has the characteristics of integrally formed burner head, high work efficiency, and low temperature rise of the telescopic head.

[0004] The utility model is realized as follows: An anti-dry-burning upward air intake burner for a cooking stove, which is characterized in that it includes a burner head, an air intake seat, a burner cap seat, an inner burner cap, an outer ring burner cap, an ignition needle, an induction needle, and a telescopic temperature sensor.

[0005] The burner head includes a seat plate, a central circular ring-shaped air intake seat, a central injection pipe, an air outlet seat arranged on the upper surface of the seat plate, a premixing chamber, an ignition needle hole, an induction needle hole, a left injection pipe, a left connection chamber, a right injection pipe, a right connection chamber, and an arc-shaped primary air intake chamber on the lower surface. The inner ring wall plate of the central circular ring-shaped air intake seat extends upward and protrudes out of the outer ring wall plate; a primary air hole is arranged at the lower part of the central injection pipe.

[0006] The air intake seat includes a longitudinal seat plate, a central air intake interface, a central air outlet seat communicated with the central air intake interface, a transverse outer ring air inlet pipe, a left air outlet seat, a right air outlet seat, and an outer ring air intake interface. Nozzles are respectively arranged on the central air outlet seat, the left air outlet seat, and the right air outlet seat.

[0007] The burner cap seat includes a central chamber, an air intake interface, an outer ring gas tank, an outer ring air inlet communicated with the outer ring gas tank, and three axial secondary air channels.

[0008] The inner burner cap includes a hollow open inner ring combustion chamber and a heat insulation cover arranged on the top. Inner combustion holes are arranged on the outer ring wall plate of the inner ring combustion chamber; air guiding grooves are arranged on the heat insulation cover.

[0009] The longitudinal seat plate is fixed to the seat plate. The central air outlet seat extends into the central ejector tube. The left air outlet seat and the right air outlet seat are respectively opposite to the left ejector tube and the right ejector tube. The ignition needle and the induction needle are respectively fixed to the ignition needle hole and the induction needle hole. The air inlet interface is inserted into the outer ring wall plate of the central circular air inlet seat, and the outer ring wall plate supports the fire distributor seat. The air outlet seat is docked with the outer ring air inlet and supports the fire distributor seat. The inner ring wall plate of the central circular air inlet seat is inserted into the inner interface of the inner ring wall plate of the inner circular combustion chamber, and the outer interface of the outer ring wall plate of the central circular air inlet seat is inserted into the central cavity. The rod part of the telescopic temperature sensor is fixed to the lower end of the axis hole of the central circular air inlet seat, and the telescopic head extends out from the top of the inner fire cover.

[0010] In the described anti-dry-burning upward air inlet cooker burner, its special feature is that: there are two axial arc positioning plates provided on the air inlet interface;

[0011] There is an axial positioning groove provided on the outer ring wall plate of the central circular air inlet seat;

[0012] The axial arc positioning plate and the axial positioning groove are inserted and connected.

[0013] In the described anti-dry-burning upward air inlet cooker burner, its special feature is that: there are positioning posts provided on the outer ring wall plate of the inner circular combustion chamber of the inner fire cover;

[0014] The central cavity is provided with a positioning groove, and the positioning post and the positioning groove are fitted.

[0015] In the described anti-dry-burning upward air inlet cooker burner, its special feature is that: there is a discharge plate provided on the inner fire cover, and the discharge plate is located above the ignition needle.

[0016] In the described anti-dry-burning upward air inlet cooker burner, its special feature is that: it further includes a central air inlet pipe, a left outer air inlet pipe and a right outer air inlet pipe,

[0017] The central air inlet pipe is arranged in the central ejector tube and is threadedly connected. The left outer air inlet pipe and the right outer air inlet pipe are respectively matched with the left outer ejector tube and the right outer ejector tube and are respectively opposite to the nozzles on the left air outlet seat and the right air outlet seat.

[0018] In the described anti-dry-burning upward air inlet cooker burner, its special feature is that: it further includes a spring. One end of the spring is matched with the central air inlet pipe, and the other end is matched with the air inlet seat at the central air outlet seat.

[0019] In the described anti-dry-burning upward air inlet cooker burner, its special feature is that: the outer ring gas groove includes an arc-shaped radial deflector plate, a radial rib plate and an arc-shaped axial plate provided on the outer ring wall plate,

[0020] The outer ring gas groove includes an arc-shaped radial deflector plate, a radial rib plate and an arc-shaped axial plate provided on the outer ring wall plate,

[0021] The radial rib plate is connected to the inner wall plate of the outer ring gas groove and the arc-shaped radial guide plate. The arc-shaped axial plate is provided on the arc-shaped radial guide plates on both sides of the radial rib plate, and there is a gap between the arc-shaped axial plate and the outer wall plate.

[0022] The burner of the anti-dry-burning upward air intake cooker is characterized in that: on the longitudinal seat plate of the air intake seat, there are fastening and limiting plates respectively surrounding the central air outlet seat, the left air outlet seat and the right air outlet seat;

[0023] The fastening and limiting plate surrounding the central air outlet seat is inserted into the central air inlet pipe; the fastening and limiting plates surrounding the left air outlet seat and the right air outlet seat are respectively inserted into the left connecting cavity and the right connecting cavity.

[0024] The burner of the anti-dry-burning upward air intake cooker of the present utility model is integrally formed with the furnace head, which simplifies the structure and has high work efficiency. The heat insulation cover makes the temperature rise of the telescopic head low and improves the accuracy. Description of the Drawings

[0025] Figure 1 It is a sectional view of the present utility model.

[0026] Figure 2 It is a half-sectional view of the present utility model.

[0027] Figure 3 It is Figure 1 the A-A view of

[0028] Figure 4 It is one of the three-dimensional exploded views of the present utility model.

[0029] Figure 5 It is the second of the three-dimensional exploded views of the present utility model.

[0030] Figure 6 It is the third of the three-dimensional exploded views of the present utility model.

[0031] Figure 7 It is one of the three-dimensional views of the burner seat of the present utility model.

[0032] Figure 8 It is the second of the three-dimensional views of the burner seat of the present utility model.

[0033] Figure 9 It is the three-dimensional view of the present utility model. Detailed Description of the Preferred Embodiment

[0034] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0035] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0036] As Figure 1 , Figure 2 , Figure 5 shown, a dry - burning - proof upward - air - intake cooking stove burner includes a burner head 1, an air intake seat 2, a sub - fire - divider seat 3, an inner fire cover 4, an outer - ring fire cover 5, an ignition needle 6, an induction needle 7, and a telescopic temperature sensor 8.

[0037] The burner head 1 includes a seat plate 11, a central circular - ring - shaped air intake seat 12, a central ejector tube 121, an air outlet seat 131 provided on the upper surface of the seat plate, a premixing chamber 132 on the lower surface, an ignition - needle hole (not shown in the figure), an induction - needle hole, a left ejector tube 141, a left connection chamber 142, a right ejector tube 151, a right connection chamber 152, and an arc - shaped primary - air intake chamber 16. The inner - ring wall plate 12A of the central circular - ring - shaped air intake seat 12 extends upward and protrudes beyond the outer - ring wall plate; a primary - air hole is provided at the lower part of the central ejector tube 121; the arc - shaped primary - air intake chamber 16 is respectively communicated with the front ends of the left ejector tube 141 and the right ejector tube 151, and is also communicated with the front end of the central ejector tube 121.

[0038] As Figure 2 , Figure 3 , Figure 5 , Figure 6 shown, the air intake seat 2 includes a longitudinal seat plate 20, a central air - intake interface 21, a central air - outlet seat 22 communicated with the central air - intake interface 21, a horizontal outer - ring air - intake pipe 23 provided at the lower part of the longitudinal seat plate 20, a left air - outlet seat 241, a right air - outlet seat 242, and an outer - ring air - intake interface 25. Nozzles are respectively provided on the central air - outlet seat 22, the left air - outlet seat 241, and the right air - outlet seat 242; the outer - ring air - intake interface 25 is communicated with the horizontal outer - ring air - intake pipe 23, and the left air - outlet seat 241 and the right air - outlet seat 242 are respectively communicated with both ends of the horizontal outer - ring air - intake pipe 23.

[0039] The sub - fire - divider seat 3 includes a central cavity 31, an air - intake interface 32, an outer - ring gas groove 33, an outer - ring air - intake port 34 communicated with the outer - ring gas groove 33, and three axial secondary - air channels; two axial secondary - air channels are arranged on the left and right, and one axial secondary - air channel is arranged at the front part and the outer - ring air - intake port 34 is on a diameter line.

[0040] The inner fire cover 4 includes a hollow and open inner annular combustion chamber 41 and a heat insulation cover 42 provided at the top. The outer ring wall plate of the inner annular combustion chamber 41 is provided with inner combustion holes; the heat insulation cover 42 has upper and lower openings, and a wind guide groove 421 is provided on the heat insulation cover 42;

[0041] The air intake seat 2 is arranged at the front of the burner head 1. The longitudinal seat plate 20 and the seat plate 11 are fixed with screws. The longitudinal seat plate is attached to the left connection cavity 142 and the right connection cavity 152; the central air outlet seat 22 extends into the central injection pipe 121. The left air outlet seat 241 and the right air outlet seat 242 are respectively opposite to the left injection pipe 141 and the right injection pipe 151; the ignition needle 6 and the induction needle 7 are respectively fixed to the ignition needle hole and the induction needle hole. The air intake interface 32 of the burner seat 3 is inserted into the outer ring wall plate of the central circular ring air intake seat 12, and the outer ring wall plate supports the burner seat 3. It is in the counterbore of the air outlet seat 131 and the outer ring air intake port 34 and supports the burner seat 3; the inner ring wall plate 12A of the central circular ring air intake seat 12 is inserted into the inner interface of the inner ring wall plate of the inner annular combustion chamber 41, and the outer interface of the outer ring wall plate of the central circular ring air intake seat 12 is inserted into the central cavity 31; the rod part 81 of the telescopic temperature sensor 8 is fixed to the lower end of the central circular ring air intake seat 12 through the axis hole of the inner fire cover 4 and the inner wall of the inner ring wall plate 12A, and the telescopic head 82 extends out from the top of the inner fire cover 4, that is, extends out from the heat insulation cover 42. The fixing method of the rod part 81 has been disclosed in Chinese Patent 202022997273.1, Utility Model: A burner for an up-draft modular cooking stove.

[0042] As a further improvement of the present utility model: the outer ring gas groove 33 includes an arc-shaped radial guide plate 331, a radial rib plate 332 and an arc-shaped axial plate 333 provided on the outer ring wall plate,

[0043] The arc-shaped radial guide plate 331 corresponds to the outer ring air intake port 34. The radial rib plate 332 is connected to the inner ring wall plate of the outer ring gas groove 33 and the arc-shaped radial guide plate 331. The arc-shaped axial plate 333 is provided on the arc-shaped radial guide plate 331 on both sides of the radial rib plate 332. There is a gap between the arc-shaped axial plate 333 and the outer ring wall plate. With such a structure, the gas in the outer ring gas groove is made uniform.

[0044] As a further improvement of the present utility model: two axial arc positioning plates 321 are provided on the air intake interface 32;

[0045] An axial positioning groove 12B is provided on the outer ring wall plate of the central circular ring air intake seat 12;

[0046] The axial arc positioning plate 321 and the axial positioning groove 12B are inserted and connected. With such a structure, the burner seat is prevented from rotating relative to the burner head, and the connection between the air outlet seat 131 and the outer ring air intake port 34 is maintained.

[0047] As a further improvement of the present utility model: a positioning post 411 is provided on the outer ring wall plate of the inner annular combustion chamber 41 of the inner fire cover 4;

[0048] The central cavity 31 is provided with a positioning groove 311, and the positioning post 411 and the positioning groove 311 are fitted together.

[0049] As a further improvement of the present utility model: a discharge plate 43 is provided on the inner fire cover 4, a discharge needle 431 is provided on the discharge plate 43, and the discharge plate 43 is located above the ignition needle 6. The discharge plate 43 can prevent liquid from dripping onto the ignition needle 6.

[0050] As a further improvement of the present utility model: it further includes a central air inlet pipe 1211, a left outer air inlet pipe 1411, and a right outer air inlet pipe 1511,

[0051] The central air inlet pipe 1211 is arranged in the central ejector pipe 121 and is threadedly connected. The left outer air inlet pipe 1411 and the right outer air inlet pipe 1511 are respectively matched with the left outer ejector pipe 141 and the right outer ejector pipe 151 and are respectively opposite to the nozzles on the left air outlet seat 241 and the right air outlet seat 242. The central air inlet pipe 1211, the left outer air inlet pipe 1411, and the right outer air inlet pipe 1511 respectively move relative to the nozzles to adjust the air ejection amount.

[0052] As a further improvement of the present utility model: it further includes a spring 9. One end of the spring 9 is matched with the central air inlet pipe 1211, and the other end is matched with the longitudinal seat plate 20 at the central air outlet seat 22. With such a structure, the central air inlet pipe 1211 is prevented from loosening.

[0053] Fastening and limiting plates 26 surrounding the central air outlet seat 22, the left air outlet seat 241, and the right air outlet seat 242 are respectively provided on the longitudinal seat plate 21 of the air inlet seat 2;

[0054] The fastening and limiting plates surrounding the central air outlet seat are inserted into the central air inlet pipe 121; the fastening and limiting plates surrounding the left air outlet seat and the right air outlet seat are respectively inserted into the left connection cavity 142 and the right connection cavity 152.

[0055] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. An anti-dry-burning upward air intake stove burner, characterized in that: It includes a burner head, an air inlet base, a burner base, an inner fire cap, an outer ring fire cap, an ignition needle, a sensing needle, and a telescopic temperature sensor. The burner head includes a seat plate, a central circular air inlet base, a central injection pipe, an air outlet base provided on the upper surface of the seat plate, a premixing chamber, an ignition needle hole, a sensing needle hole, a left injection pipe, a left connection chamber, a right injection pipe, a right connection chamber, and an arc-shaped primary air inlet chamber on the lower surface. The inner ring wall plate of the central circular air inlet base extends upward and protrudes beyond the outer ring wall plate; a primary air hole is provided at the lower part of the central injection pipe. The air inlet base includes a longitudinal seat plate, a central air inlet interface, a central air outlet base communicated with the central air inlet interface, a transverse outer ring air inlet pipe, a left air outlet base, a right air outlet base, and an outer ring air inlet interface. Nozzles are respectively provided on the central air outlet base, the left air outlet base, and the right air outlet base. The burner base includes a central chamber, an air inlet interface, an outer ring gas groove, an outer ring air inlet communicated with the outer ring gas groove, and three axial secondary air channels. The inner fire cap includes a hollow and open inner circular combustion chamber and a heat insulation cover provided on the top. Inner combustion holes are provided on the outer ring wall plate of the inner circular combustion chamber; a wind guiding groove is provided on the heat insulation cover. The longitudinal seat plate is fixed to the seat plate. The central air outlet base extends into the central injection pipe. The left air outlet base and the right air outlet base are respectively opposite to the left injection pipe and the right injection pipe. The ignition needle and the sensing needle are respectively fixed to the ignition needle hole and the sensing needle hole. The air inlet interface is inserted into the outer ring wall plate of the central circular air inlet base, and the outer ring wall plate supports the burner base. The air outlet base and the outer ring air inlet are butted and support the burner base. The inner ring wall plate of the central circular air inlet base is inserted into the inner interface of the inner ring wall plate of the inner circular combustion chamber, and the outer interface of the outer ring wall plate of the central circular air inlet base is inserted into the central chamber. The rod part of the telescopic temperature sensor is fixed to the lower end of the axial hole of the central circular air inlet base, and the telescopic head extends out from the top of the inner fire cap.

2. The burner of an anti-dry-burning upward air intake cooking stove according to claim 1, characterized in that: Two axial arc-shaped positioning plates are provided on the air inlet interface. An axial positioning groove is provided on the outer ring wall plate of the central circular air inlet base. The axial arc-shaped positioning plate and the axial positioning groove are inserted and connected.

3. The burner of the anti-dry-burning upward air inlet cooking stove according to claim 1, characterized in that: Positioning columns are provided on the outer ring wall plate of the inner circular combustion chamber of the inner fire cap. A positioning groove is provided in the central chamber, and the positioning column and the positioning groove are fitted.

4. A burner of an anti-dry-burning upward air inlet cooker according to claim 1, characterized in that: A discharge plate is provided on the inner fire cap, and the discharge plate is located above the ignition needle.

5. The burner of an anti-dry-burning upward air inlet cooking stove according to claim 1, characterized in that: It further includes a central air inlet pipe, a left outer air inlet pipe, and a right outer air inlet pipe. The central air inlet pipe is arranged in the central injection pipe and is threadedly connected. The left outer air inlet pipe and the right outer air inlet pipe are respectively matched with the left outer injection pipe and the right outer injection pipe and are respectively opposite to the nozzles on the left air outlet base and the right air outlet base.

6. The burner of an anti-dry-burning upward air inlet cooker according to claim 1, characterized in that: It further includes a spring. One end of the spring is matched with the central air inlet pipe, and the other end is matched with the longitudinal seat plate at the central air outlet base.

7. The burner of an anti-dry-burning upward air intake cooker according to claim 1, characterized in that: The outer ring gas groove includes an arc-shaped radial guide plate, a radial rib plate, and an arc-shaped axial plate provided on the outer ring wall plate. The radial rib plate is connected to the inner ring wall plate of the outer ring gas groove and the arc-shaped radial guide plate. The arc-shaped axial plate is provided on the arc-shaped radial guide plates on both sides of the radial rib plate, and there is a gap between the arc-shaped axial plate and the outer ring wall plate.

8. The burner of an anti-dry-burning upward air inlet cooker according to claim 1, characterized in that: Fastening and limiting plates surrounding the central air outlet base, the left air outlet base, and the right air outlet base are respectively provided on the longitudinal seat plate of the air inlet base. The fastening and limiting plates surrounding the central air outlet seat are inserted into the central ejector tube; the fastening and limiting plates surrounding the left air outlet seat and the right air outlet seat are respectively inserted into the left connection cavity and the right connection cavity.

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