A direct injection single ejection tube burner

Abstract

A direct injection single ejector pipe burner comprises a distributor seat, a direct injection seat, a nozzle, a fixed damper plate and a movable damper plate, the distributor seat comprises a circular base, an outer ring gas groove, a direct injection mixing pipe and a circular arc gas passage, the direct injection mixing pipe comprises a counterbore arranged at a lower end and two fixed column seats, the direct injection seat comprises a transverse seat frame, an air inlet interface and a nozzle seat; the fixed damper plate comprises a fixed shaft hole, two air inlet holes and two through holes; the movable damper plate comprises a circular seat plate and two sector-shaped damper plates, the circular seat plate is provided with a movable shaft hole; the fixed damper plate and the movable damper plate are hingedly connected together through a hollow shaft, the fixed damper plate is fixed with the counterbore, the fixed column seats pass through the through holes; the transverse seat frame is fixed with the fixed column seats, the nozzle on the nozzle seat extends into the direct injection mixing pipe through the hollow shaft. The direct injection mixing pipe, the fixed damper plate and the movable damper plate arranged on the distributor seat can adjust the air inlet volume, and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to a stove burner. Background Technology

[0002] The existing technology, Chinese patent 201920503854.X, describes an improved gas stove with a fixed burner, including an open-top bottom shell and a gas burner. The gas burner includes a flame distributor seat, an inner injector tube, and an outer injector tube. Two support rods are provided on the flame distributor seat, and a fixed base plate is provided at the lower end of each support rod. The inner and outer injector tubes are connected as one unit via a connecting seat. The fixed base plate includes a connecting plate portion connected to the support rods and a fixed plate portion, with screw holes on the fixed plate portion. The connecting seat includes two longitudinal support connecting plates, a transverse base plate connected to the lower end of the longitudinal support plates, and a fixed connecting base plate portion perpendicular to the transverse base plate, with screw holes on the fixed connecting base plate portion. Screws pass through the connecting holes on the bottom plate of the bottom shell and engage with the screw holes on the fixed connecting base plate portion. The problem is that, with two injector tubes, the air intake of the inner ring injector tube cannot be adjusted. Utility Model Content

[0003] The purpose of this invention is to provide a direct-injection single-ejector burner, which features direct injection and adjustable air intake.

[0004] This invention is implemented as follows: a direct-injection single-ejector burner, characterized in that it includes a flame distributor base, a direct-injection base, a nozzle, a constant air damper plate, and a moving air damper plate.

[0005] The ignition distributor base includes a circular base, an outer ring gas groove, a direct injection mixing pipe, an arc-shaped gas passage, an arc-shaped premixing chamber, and an injector. The direct injection mixing pipe includes a countersunk hole at the lower end and two fixed post seats.

[0006] The direct injection unit includes a horizontal support, an air intake port, and a nozzle seat;

[0007] The fixed damper includes a fixed shaft hole, two air inlets, and two through holes; the movable damper includes a circular base plate and two fan-shaped door plates, with a movable shaft hole on the circular base plate.

[0008] The fixed damper plate and the moving damper plate are hinged together by a hollow shaft. The fixed damper plate is fixed to the countersunk hole, and the fixed column seat passes through the through hole. The transverse support is fixed to the fixed column seat, and the nozzle of the nozzle seat extends into the direct injection mixing pipe through the hollow shaft.

[0009] The aforementioned direct-injection single-ejector burner is characterized in that: one side of the fan-shaped door panel is provided with an air-avoiding notch.

[0010] The clearance gap and a fixed column base are fitted together to stop the stop, and the other side of the fan-shaped door panel is fitted together with another fixed column base to stop the stop.

[0011] The aforementioned direct-injection single-ejector burner is characterized in that the clearance notch is of a superior arc shape.

[0012] The fixed column base is cylindrical, and the diameter of the clearance notch is larger than the diameter of the fixed column base.

[0013] The special feature of the direct injection single-ejector burner is the gap between the lower end of the direct injection seat and the direct injection mixing pipe.

[0014] The aforementioned direct-injection single-ejector burner is characterized in that: a hollow cylindrical seat with openings at the top and bottom is provided on the circular base; the upper end of the cylindrical seat is fixed to the lower surface of the circular base and penetrates through the circular base.

[0015] The lower end of the direct injection mixing pipe is fixed to the lower end of the cylindrical seat, and the upper end extends out, with a gap between the direct injection mixing pipe and the cylindrical seat;

[0016] Alternatively, a cylindrical seat with openings at the top and bottom may be provided on a circular base, with the middle of the cylindrical seat intersecting the circular base.

[0017] The aforementioned direct injection single-ejector burner is characterized in that: the lower part of the direct injection mixing pipe is semi-hyperbolic or truncated cone shape and compresses and mixes the gas and air, while the upper part is inverted truncated cone shape.

[0018] This utility model discloses a direct injection single-ejector burner. The arrangement of the direct injection mixing pipe, constant air damper plate and moving air damper plate on the burner seat enables the adjustment of the air intake volume and is easy to operate. Attached Figure Description

[0019] Figure 1 This is a cross-sectional view of the present invention.

[0020] Figure 2 yes Figure 1 A-A view.

[0021] Figure 3 This is one of the exploded planar views of this utility model.

[0022] Figure 4 This is the second exploded plan view of this utility model.

[0023] Figure 5 This is one of the exploded perspective views of this utility model.

[0024] Figure 6 This is the second exploded perspective view of this utility model.

[0025] Figure 7 This is one of the perspective views of this utility model.

[0026] Figure 8This is the second perspective view of this utility model.

[0027] Figure 9 This is a perspective view of the second embodiment of this utility model.

[0028] Figure 10 This is a cross-sectional view of the second embodiment of the present invention. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Example 1

[0032] like Figure 1 As shown, a direct-injection single-ejector burner is characterized by comprising a flame distributor seat 1, a direct-injection seat 2, a nozzle (not shown in the figure), a constant air damper plate 3, and a moving air damper plate 4.

[0033] The ignition distributor base 1 includes a circular base 11, an outer ring gas groove 12, a direct injection mixing pipe 13, an arc-shaped gas passage 14, an arc-shaped premixing chamber 15, and an ejector tube 16. The arc-shaped gas passage 14 and the arc-shaped premixing chamber 15 are respectively located at the upper and lower parts of the circular base 11 and are connected. The arc-shaped gas passage 14 supports the outer ring gas groove and is connected. The ejector tube 16 and the arc-shaped premixing chamber 15 are connected. The direct injection mixing pipe 13 includes a countersunk hole 131 at the lower end and two fixed posts 132. The fixed posts 132 are located inside the direct injection mixing pipe 13 and extend from the lower end.

[0034] The direct injection mount 2 includes a transverse mount 21, an air inlet 22 and a nozzle mount 23, with the air inlet 22 and the nozzle mount 23 connected together;

[0035] The wind-fixing door panel 3 includes a fixed axis hole 31, two air inlets 32 and two through holes 33, and the air inlets 32 are arc-shaped;

[0036] The moving air damper 4 includes a circular base plate 41 and two fan-shaped door plates 42. The circular base plate 41 is provided with a moving shaft hole; the central angle of the fan-shaped door plate 42 is larger than the central angle of the air inlet 32.

[0037] The fixed damper plate 3 and the movable damper plate 4 are hinged together by a hollow shaft. The fixed damper plate 3 is fixed to the countersunk hole 131, and the fixed column base 132 passes through the through hole 33. The transverse support 21 is fixed to the fixed column base 132, and the nozzle on the nozzle base 23 extends into the direct injection mixing pipe 13 via the hollow shaft. Alternatively, the fixed damper plate 3 and the movable damper plate 4 can be hinged together by a nozzle.

[0038] As a further improvement of this utility model: a clearance notch 421 is provided on one side of the fan-shaped door panel 42.

[0039] The clearance notch 421 and a fixed column base 132 are fitted together and stopped, and the other side of the fan-shaped door panel 42 is fitted together and stopped with another fixed column base 132.

[0040] The clearance gap 421 is arc-shaped.

[0041] The fixed column base 132 is cylindrical, and the diameter of the clearance notch 421 is larger than the diameter of the fixed column base 132.

[0042] like Figure 3 As shown, when the fan-shaped door panel 42 covers the air inlet 32, air enters the direct injection mixing pipe 13 through the clearance gap 421 and the air inlet 32, which is the minimum air intake volume; Figure 3 In this state, the air damper 6 rotates clockwise. During the rotation, the air intake gradually increases. Then, the clearance notch 421 and a fixed column base 132 fit together, and the fan-shaped door 42 moves away from the air intake hole 22 to the maximum air intake.

[0043] The gap between the lower end of the direct injection seat 2 and the direct injection mixing pipe 13.

[0044] As a further improvement of this utility model: the circular base 11 is provided with a hollow cylindrical seat 17 with openings at the top and bottom, and the upper end of the cylindrical seat 17 is fixed to the lower surface of the circular base 11.

[0045] The lower end of the direct injection mixing pipe 13 is fixed to the lower end of the cylindrical seat 17, and the upper end extends out. There is a gap between the direct injection mixing pipe 13 and the inner cavity of the cylindrical seat 17.

[0046] As a further improvement of this utility model: the lower part 133 of the direct injection mixing pipe 13 is semi-hyperbolic or frustum-shaped and compresses and mixes the fuel gas and air, while the upper part 134 is inverted frustum-shaped. Figure 1 As shown, the semi-hyperbola is located in the third and fourth quadrants.

[0047] Example 2

[0048] like Figure 9 , Figure 10 As shown, the ignition distributor base 1 includes a circular base 11, an outer ring gas groove 12, a direct injection mixing pipe 13, several arc-shaped gas channels 14, an outer ring gas guide chamber 18, an arc-shaped premixing chamber 15, and an ejector tube (not shown in the figure). The arc-shaped gas channels 14 and the outer ring gas guide chamber 18 are respectively located on the upper and lower surfaces of the circular base 11 and are connected. The arc-shaped premixing chamber 15 and the outer ring gas guide chamber 18 are connected. The ejector tube and the arc-shaped premixing chamber 15 are connected.

[0049] The circular base 11 is provided with a cylindrical seat 17 with openings at the top and bottom, and the middle of the cylindrical seat 17 intersects with the circular base 11.

[0050] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A direct-injection single-ejector burner, characterized in that: This includes the distributor mount, direct injection mount, nozzle, constant air damper plate, and moving air damper plate. The ignition distributor base includes a circular base, an outer ring gas groove, a direct injection mixing pipe, and an arc-shaped gas passage. The direct injection mixing pipe includes a countersunk hole at the lower end and two fixed post seats. The direct injection unit includes a horizontal support, an air intake port, and a nozzle seat; The fixed damper includes a fixed shaft hole, two air inlets, and two through holes; the movable damper includes a circular base plate and two fan-shaped door plates, with a movable shaft hole on the circular base plate. The fixed damper plate and the moving damper plate are hinged together by a hollow shaft or nozzle. The fixed damper plate is fixed to the countersunk hole, and the fixed column seat passes through the through hole. The transverse support is fixed to the fixed column seat, and the nozzle on the nozzle seat extends into the direct injection mixing pipe through the hollow shaft.

2. The direct injection single-ejector burner according to claim 1, characterized in that: One side of the fan-shaped door panel has a clearance notch. The clearance gap and a fixed column base are fitted together to stop the stop, and the other side of the fan-shaped door panel is fitted together with another fixed column base to stop the stop.

3. A direct-injection single-ejector burner according to claim 2, characterized in that: The clearance gap is curved. The fixed column base is cylindrical, and the diameter of the clearance notch is larger than the diameter of the fixed column base.

4. A direct-injection single-ejector burner according to claim 1, characterized in that: The gap between the lower end of the direct injection seat and the direct injection mixing pipe.

5. A direct-injection single-ejector burner according to claim 1, characterized in that: The circular base is provided with a hollow cylindrical seat with openings at the top and bottom. The upper end of the cylindrical seat is fixed to the lower surface of the circular base and passes through the circular base. The lower end of the direct injection mixing pipe is fixed to the lower end of the cylindrical seat, and the upper end extends out, with a gap between the direct injection mixing pipe and the cylindrical seat; Alternatively, a cylindrical seat with openings at the top and bottom may be provided on a circular base, with the middle of the cylindrical seat intersecting the circular base.

6. A direct-injection single-ejector burner according to claim 1, 2, 3, 4 or 5, characterized in that: The lower part of the direct injection mixing pipe is semi-hyperbolic or truncated cone-shaped and compresses and mixes the fuel gas and air, while the upper part is inverted truncated cone-shaped.

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