CN219414888U - Improved upper air inlet stove burner - Google Patents

Abstract

An improved upper air inlet kitchen range burner comprises a cup body, a distributor seat, a central fire cover and an outer ring fire cover, wherein the distributor seat comprises a central air inlet cavity, an injection pipe, a cylindrical central fire cover seat arranged on a top plate of the central air inlet cavity, an outer ring gas tank, a radial gas channel and an axial secondary air channel, at least four bulges are arranged on the top of the cylindrical central fire cover seat, pot support legs are arranged on the radial gas channel, and an inner ring combustion hole is formed in the upper part of an outer ring wall plate of the central air inlet cavity; a shoulder is arranged at the position adjacent to the central air inlet cavity and the cylindrical central fire cover seat, an axial ignition hole is arranged on the shoulder, and the central fire cover is matched with a convex support on the cylindrical central fire cover; the inner ring combustion holes are divided into large-diameter inner ring combustion holes and small-diameter inner ring combustion holes, and the large-diameter inner ring combustion holes and the small-diameter inner ring combustion holes are alternately arranged. The inner ring combustion holes are divided into a large-diameter inner ring combustion hole and a small-diameter inner ring combustion hole and are arranged alternately, so that the defect of fireworks is eliminated, the combustion is complete, and the energy efficiency is improved.

Description

Improved upper air inlet stove burner

Technical Field

The utility model relates to a stove burner.

Background

At present, in the prior art, chinese patent 201920673930.1, an upper air inlet kitchen range burner comprises a cup body, a distributor seat, a central fire cover and an outer ring fire cover, wherein an inner sleeve and a last air groove are arranged at the lower part of the distributor seat; an inner ring combustion hole is formed in the upper part of the outer ring wall plate of the central air inlet cavity; the cup body is provided with a circular ring-shaped disc surrounding the upper part of the cup body, and the circular ring-shaped disc is provided with a next air channel; the inner sleeve is inserted into the cup body, and the last air groove is inserted into the next air groove to form a primary air channel communicated with the inner cavity of the cup body; the annular disk between two adjacent primary air channels, the cup body at the upper part of the annular disk and the distributor seat form a radial secondary air channel, and the radial secondary air channel is communicated with the axial secondary air channel. The problems are: the inner ring fire is easy to generate off-firework, has insufficient combustion and low energy efficiency.

Disclosure of Invention

The purpose of the utility model is that: the improved upper air inlet stove burner has the characteristics of preventing inner ring fire from generating flame and fully burning.

The utility model is realized in the following way: an improved upper air inlet kitchen range burner comprises a cup body, a distributor seat, a central fire cover and an outer ring fire cover, wherein the distributor seat comprises a central air inlet cavity, an injection pipe, a cylindrical central fire cover seat arranged on a top plate of the central air inlet cavity, an outer ring gas tank, a radial gas channel and an axial secondary air channel, at least four bulges are arranged on the top of the cylindrical central fire cover seat, pot support legs are arranged on the radial gas channel, and an inner ring combustion hole is formed in the upper part of an outer ring wall plate of the central air inlet cavity; a shoulder is arranged at the position adjacent to the central air inlet cavity and the cylindrical central fire cover seat, an axial ignition hole is arranged on the shoulder, and the central fire cover is matched with a convex support on the cylindrical central fire cover; the special feature is that: the inner ring combustion holes are divided into large-diameter inner ring combustion holes and small-diameter inner ring combustion holes, and the large-diameter inner ring combustion holes and the small-diameter inner ring combustion holes are alternately arranged.

Preferably: the protrusions are opposite to the foot legs, and the axial pilot holes are adjacent to the protrusions and the foot legs.

Preferably: at least four fan-shaped air inlet cavities are arranged in the cylindrical central fire cover seat, axial air inlet holes are uniformly distributed on the radial edges of the fan-shaped air inlet cavities, and central axial air inlet holes are arranged at the intersections of the fan-shaped air inlet cavities;

the number of the fan-shaped air inlet cavities is matched with the number of the bulges and the pot supporting feet.

Preferably: the central axial air inlet hole comprises a compression hole, a cylindrical air guide hole and an inverted cone frustum-shaped diffusion hole which are positioned at the lower end; the central fire cover is in a spherical curved surface.

According to the improved upper air inlet stove burner, the inner ring combustion holes are divided into the large-diameter inner ring combustion holes and the small-diameter inner ring combustion holes and are alternately arranged, so that the defect of flame separation is eliminated, the combustion is sufficient, and the energy efficiency is improved.

Drawings

Fig. 1 is one of the sectional views of the present utility model.

FIG. 2 is a second cross-sectional view of the present utility model.

Fig. 3 is a top view of the utility model without the center fire cover.

Fig. 4 is an exploded perspective view of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, an improved upper air inlet kitchen range burner comprises a cup body 1, a distributor seat 2, a central fire cover 3 and an outer ring fire cover 4, wherein the distributor seat 2 comprises a central air inlet cavity 21, an injection pipe 22, a cylindrical central fire cover seat 23 arranged on the top plate of the central air inlet cavity, an outer ring gas tank 24, a radial gas channel 25 and an axial secondary air channel 26, four protrusions 231 are arranged on the top of the cylindrical central fire cover seat, pot supporting feet 251 are arranged on the radial gas channel 25, and an inner ring combustion hole is arranged on the upper part of the outer ring wall plate of the central air inlet cavity 21; a shoulder 27 is arranged at the position adjacent to the central air inlet cavity 21 and the cylindrical central fire cover seat 23, an axial ignition hole 271 is arranged on the shoulder 27, and the central fire cover 3 is in supporting fit with a protrusion 231 on the cylindrical central fire cover; the axial ignition hole 271 can be provided with one, two or three according to the central angle of the bulge 231; the axial ignition hole 271 also has a combustion function, and the arrangement of the protrusion 231 is reduced to supplement uneven inner ring fire power;

the inner ring combustion holes are divided into a large-diameter inner ring combustion hole 281 and a small-diameter inner ring combustion hole 282, and the large-diameter inner ring combustion hole 281 and the small-diameter inner ring combustion hole 282 are alternately arranged; the diameter of the large-diameter inner ring combustion hole 281 may be the same as that of the small-diameter inner ring combustion hole, and a counter bore is provided radially outside the large-diameter inner ring combustion hole 281, or may be the diameter of the large-diameter inner ring combustion hole 281 and that of the small-diameter inner ring combustion hole 282. The inner ring fire is prevented from generating flame separation and flame stabilization;

the protrusion 231 is opposite to the foot 251 and is on a diameter line, and the axial ignition hole 271 is provided between the protrusion 231 and the foot 251, or: the axial firing aperture 271 is adjacent to the boss 231 and the foot leg 251.

As a further improvement of the utility model: four fan-shaped air inlet cavities 232 are arranged in the cylindrical central fire cover seat 23, axial air inlet holes 233 are uniformly distributed on the radial edges of the fan-shaped air inlet cavities 232, and central axial air inlet holes 234 are formed at the intersection of the fan-shaped air inlet cavities 232;

the number of fan-shaped air inlet cavities 232 is adapted to the number of protrusions 231 and pot feet 251.

As a further improvement of the utility model: the central axial air intake 234 includes a compression hole 2341 at a lower end, a cylindrical air guide hole 2342, and an inverted truncated cone-shaped diffusion hole 2343. The central fire cover 3 is in a spherical curved surface;

the central fire cover 3 is in a spherical curved surface, and the inverted cone frustum-shaped diffusion holes 2343 flow from the top to the periphery, so that the axial air inlet holes 233 are prevented from generating vortex flow, and the central fire flame is stabilized.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (4)

1. An improved upper air inlet kitchen range burner comprises a cup body, a distributor seat, a central fire cover and an outer ring fire cover, wherein the distributor seat comprises a central air inlet cavity, an injection pipe, a cylindrical central fire cover seat arranged on a top plate of the central air inlet cavity, an outer ring gas tank, a radial gas channel and an axial secondary air channel, at least four bulges are arranged on the top of the cylindrical central fire cover seat, pot support legs are arranged on the radial gas channel, and an inner ring combustion hole is formed in the upper part of an outer ring wall plate of the central air inlet cavity; a shoulder is arranged at the position adjacent to the central air inlet cavity and the cylindrical central fire cover seat, an axial ignition hole is arranged on the shoulder, and the central fire cover is matched with a convex support on the cylindrical central fire cover; the method is characterized in that: the inner ring combustion holes are divided into large-diameter inner ring combustion holes and small-diameter inner ring combustion holes, and the large-diameter inner ring combustion holes and the small-diameter inner ring combustion holes are alternately arranged.

2. The improved upper air intake cooktop burner of claim 1, wherein: the protrusions are opposite to the pot support legs, and the axial ignition holes are adjacent to the protrusions and the pot support legs.

3. The improved upper air intake cooktop burner of claim 1, wherein: at least four fan-shaped air inlet cavities are arranged in the cylindrical central fire cover seat, axial air inlet holes are uniformly distributed on the radial edges of the fan-shaped air inlet cavities, and central axial air inlet holes are arranged at the intersections of the fan-shaped air inlet cavities;

the number of the fan-shaped air inlet cavities is matched with the number of the bulges and the pot supporting feet.

4. An improved upper air intake cooktop burner according to claim 3, wherein: the central axial air inlet hole comprises a compression hole, a cylindrical air guide hole and an inverted cone frustum-shaped diffusion hole which are positioned at the lower end; the central fire cover is in a spherical curved surface.