CN111207392A

CN111207392A - Flow guide part, die-casting furnace end and gas stove

Info

Publication number: CN111207392A
Application number: CN202010172945.7A
Authority: CN
Inventors: 任富佳; 李祺; 陈六明
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-05-29

Abstract

The invention relates to the technical field of die-casting furnace ends, in particular to a flow guide piece, a die-casting furnace end and a gas stove. The flow guide piece is used for being arranged at a position, close to the air outlet, of the inner ring diffusion cavity of the die-casting furnace end; the flow guide piece is provided with a plurality of through holes, and the mixed gas in the inner ring pressure expansion cavity can be sprayed out through the through holes. The die-casting furnace end comprises the flow guide piece. The flow guide piece, the die-casting furnace end and the gas cooker provided by the invention can enable gas and air to be premixed more fully, the problem of fire dropping is not easy to occur, and the combustion performance is good.

Description

Flow guide part, die-casting furnace end and gas stove

Technical Field

The invention relates to the technical field of die-casting furnace ends, in particular to a flow guide piece, a die-casting furnace end and a gas stove.

Background

In order to improve the manufacturing progress and the production efficiency of the gas cooker and reduce the cost, a great part of enterprises adopt die-casting furnace ends.

However, since the die-casting burner is manufactured by adopting a press fit core pulling mode, the inner ring diffusion cavities are all straight-through, the diameter must be large outside and small inside, and when the pressure of a user air source exceeds the upper limit of standard pressure, the flow rate of gas is too fast, so that the premixing of gas and air is easy to be insufficient, and the problem that the gas cooker is easy to lose fire is caused.

In summary, how to overcome the above-mentioned defects of the existing die-casting furnace head is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a flow guide part, a die-casting furnace end and a gas stove, so as to solve the technical problem that the die-casting furnace end in the prior art is insufficient in gas and air premixing.

The flow guide piece is used for being arranged at a position, close to the air outlet, of an inner ring diffusion cavity of the die-casting furnace end; the flow guide piece is provided with a plurality of through holes, and the mixed gas in the inner ring pressure expansion cavity can be sprayed out through the through holes.

As an embodiment, the flow guide member includes a flow guide plate, and the through hole is opened in the flow guide plate.

In one embodiment, a flange is disposed on a side of the through hole facing the air outlet of the die-cast burner.

As an implementation mode, the deflector is a flat plate, the through holes are multiple, and the multiple through holes are uniformly distributed on the deflector;

or the guide plate inclines from the edge to the center along the flowing direction of the airflow, the number of the through holes is one, and the through holes are formed in the center of the guide plate;

or the guide plate is provided with an annular flat plate and a hollow circular truncated cone, the inner ring part of the annular flat plate is connected with the edge of the annular bottom of the hollow circular truncated cone, the hollow circular truncated cone is positioned on one side, facing the air outlet of the die-casting furnace end, of the annular flat plate, and the hollow part of the hollow circular truncated cone forms the through hole.

As an implementation manner, the guide plate is provided with a protruding part protruding towards the air outlet of the die-casting furnace end.

As an embodiment, the number of the protrusions is two, and the two protrusions are symmetrically distributed on the edge of the deflector.

As an embodiment, the protrusion is a sheet structure perpendicular to the flow guide plate.

In one embodiment, the sum of the areas occupied by the through holes is between 30% and 40% of the area of the plate surface of the deflector.

Correspondingly, the invention also provides a die-casting furnace end, which comprises the flow guide part.

As an implementation mode, a sunken table is arranged at an air outlet of the die-casting furnace end, the flow guide member is placed on the sunken table, and the flow guide member is in clearance fit with the die-casting furnace end;

or the flow guide piece is riveted with the die-casting furnace end;

or the flow guide piece is in interference fit with the die-casting furnace end.

The invention also provides a gas cooker which comprises the die-casting furnace end.

Compared with the prior art, the invention has the advantages that:

the guide piece provided by the invention is used for being arranged at the position, close to the air outlet, of the inner ring diffusion cavity of the die-casting furnace end, and a plurality of through holes are formed in the guide piece.

The mist flows to when water conservancy diversion spare department along inner ring diffusion chamber, the water conservancy diversion spare can form certain current-limiting to the mist, can change into the static pressure by the partly dynamic pressure of the mist of current-limiting, make the mist dynamic pressure reduce, the static pressure increase, thereby, can make gas and air in the mist obtain more fully mixing before the water conservancy diversion spare, gas and air in the perforating hole spun mist on the water conservancy diversion spare are in the more abundant state of mixing, thereby, the gas that gets into in the gas cooking utensils can burn more fully, make the difficult emergence of gas cooking utensils take off the fire problem, combustion performance is good.

The die-cast furnace end and the gas cooker provided by the invention both comprise the flow guide piece.

Therefore, the die-cast furnace end and the gas cooker provided by the invention have all the advantages of the diversion piece, can enable gas and air to be premixed more fully, are not easy to cause a fire-dropping problem, and have good combustion performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a die-casting furnace head according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a die-casting furnace head provided with a first flow guide member according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a first flow guide member according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of another structure of the first flow guide member according to the embodiment of the present invention;

fig. 5 is a partial sectional view of a die-cast burner with a second air guide installed according to an embodiment of the present invention;

fig. 6 is a partial structural sectional view of a die-cast burner with a third middle guide member according to an embodiment of the present invention.

Icon:

100-a flow guide member; 200-inner ring diffusion chamber; 300-air outlet;

110-a baffle; 120-a boss;

111-through holes; 112-ring shaped flat plate; 113-hollow round table.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1 to 6, the baffle 100 provided in this embodiment is used to be installed in the inner ring diffusion cavity 200 of the die casting furnace end near the air outlet 300, and the baffle 100 is provided with a plurality of through holes 111.

When the mist flows to water conservancy diversion spare 100 department along inner ring diffusion chamber 200, water conservancy diversion spare 100 can form certain current-limiting to the mist, partly dynamic pressure of the mist by the current-limiting can change into the static pressure, make the mist dynamic pressure reduce, the static pressure increases, thereby, can make gas and air in the mist obtain more fully mixing before water conservancy diversion spare 100, gas and air in the mist of through-hole 111 spun on water conservancy diversion spare 100 are in the more abundant state of mixing, thereby, the gas that gets into in the gas cooking utensils can burn more fully, make the difficult emergence of gas cooking utensils take off the fire problem, combustion performance is good.

Specifically, the flow guide member 100 includes a flow guide plate 110, and the through hole 111 is formed in the flow guide plate 110, so that the flow guide plate 110 can block the mixed gas, waste of materials can be reduced to a certain extent, cost can be saved, and the flow guide member is convenient to install, and is economical and practical.

Preferably, can set up the turn-ups in one side of perforating hole 111 towards die-casting furnace end's gas outlet 300, the mixed gas can flow along the turn-ups after 111 blowout of perforating hole, at last by the top blowout of turn-ups, so, the turn-ups just can carry out the secondary to the mixed gas and draw the penetrating, can further improve the gas and the mixed sufficiency of air, is convenient for promote combustion performance.

The deflector 100 may have any one of three configurations:

first, referring to fig. 3 and 4, the baffle 110 is a flat plate structure, and a plurality of through holes 111 are provided, and the through holes 111 are uniformly distributed on the baffle 100, so that the through holes 111 not only can achieve the effect of uniform flow distribution, but also can reduce the noise of the air flow.

Secondly, referring to fig. 5, the flow guide plate 110 is inclined from the edge to the center along the flowing direction of the gas flow, the through hole 111 is provided as one through hole, and the through hole 111 is provided at the center of the flow guide member 100, that is, the flow guide plate 110 is shaped like a conical surface, so that the flow guide plate 110 can form a certain flow guide effect on the mixed gas, the mixed gas can flow towards the through hole 111 along the conical surface of the flow guide plate 110, the mixed gas can be sufficiently mixed in the process of flowing along the conical surface of the flow guide plate 110, the gas flow can be concentrated and output while the pressure of the mixed gas is balanced, and the inner ring combustion efficiency of the gas cooker can be improved.

When the baffle 100 needs to be taken out of the die-casting furnace end, a finger or other tools can be directly inserted through the through hole 111 in the center of the baffle 110, and then the baffle 100 is lifted out.

Thirdly, referring to fig. 6, an annular flat plate 112 and a hollow circular truncated cone 113 are arranged in the concrete structure of the baffle 110, wherein the inner ring portion of the annular flat plate 112 is connected with the edge of the annular bottom of the hollow circular truncated cone 113, the hollow circular truncated cone 113 is located on the side of the annular flat plate 112 facing the air outlet 300 of the die-casting burner, a through hole 111 is formed in the hollow of the hollow circular truncated cone 113, that is, the shape of the baffle 110 is similar to a "crater" shape, and the mixed gas can be collected into the air outlet 300 after passing through the through hole 111, so that the combustion efficiency of the inner ring is improved.

When the guide member 100 needs to be taken out of the die-casting furnace end, fingers or other tools can directly penetrate through the hollow part of the hollow circular truncated cone 113, and then the guide member 100 is lifted out.

Further, referring to fig. 6, a turn of a flange may be formed at an edge of the annular flat plate 112, so that the edge smoothness of the baffle 100 may be improved, and the baffle 100 may be prevented from being cut by a worker when the worker takes the baffle 100.

Preferably, referring to fig. 3 and 4, a protrusion may be additionally formed on the baffle 110, and the protrusion 120 protrudes toward the air outlet 300 of the die-casting burner, so that when the baffle 100 needs to be taken out of the die-casting burner, the protrusion 120 may be operated, which facilitates the reduction of the difficulty of disassembly.

As an implementation manner, the protrusion 120 may be disposed at an edge of the baffle 110, and when the baffle 100 needs to be taken out from the inner annular diffusion chamber 200 of the die-cast burner, a force may be applied to the protrusion 120 by using a finger or other tool, so that the finger or other tool is moved toward the air outlet 300 of the die-cast burner, the protrusion 120 is moved toward the air outlet 300 of the die-cast burner by the finger or other tool, and thus the baffle 100 can be taken out.

Preferably, the two protruding portions 120 are disposed to be two, and the two protruding portions 120 are symmetrically distributed on the edge of the guide plate 110, so that a force can be applied to the inner sides of the two protruding portions 120 respectively, so that the two protruding portions 120 can move towards the air outlet 300 of the die-casting furnace end under the driving of a finger or other tools, which is convenient for improving the stress balance of the guide plate 110, and therefore, the guide member 100 can be taken out from the inner ring diffusion cavity 200 of the die-casting furnace end.

Furthermore, the protrusion 120 on the flow guide member 100 may be arranged to be perpendicular to the sheet structure of the flow guide plate 110, which is convenient for processing; with this configuration, a finger or other tool having a relatively high coefficient of friction may be used to apply an outward pressure on the inner side of the protruding portion 120, so that the protruding portion 120 may receive a frictional force toward the air outlet 300 of the die cast burner by moving the finger or other tool having a relatively high coefficient of friction, and the baffle 100 may be removed by the frictional force.

Specifically, the inner side surfaces of the two opposite protruding portions 120 may be concave surfaces, so that the contact area between the protruding portions 120 and the fingers is increased on the basis of ensuring the distance between the two protruding portions 120, and therefore, when the pressure applied to the protruding portions 120 by the fingers is not changed, the pressure between the protruding portions 120 and the fingers can be increased, and further, the friction between the fingers and the protruding portions 120 is increased, so that the flow guide member 100 can be taken out from the inner ring diffusion cavity 200 of the die-casting furnace end more smoothly; in addition, on the basis that the pressure between the fingers and the convex part 120 is kept unchanged, the pressure applied to the convex part 120 by the fingers can be reduced, and the discomfort degree of the fingers of the operator can be conveniently relieved.

It should be noted that the protruding portion 120 may also be disposed at a non-edge position of the baffle 110, and at this time, a finger or other tool may be used to apply a force on the protruding portion 120, so that the finger or other tool is moved toward the air outlet 300 of the die-cast burner, and the protruding portion 120 is moved toward the air outlet 300 of the die-cast burner by the finger or other tool, so that the baffle 100 can be taken out.

On the basis of the structure, the protruding portion 120 can be arranged to be one, and the protruding portion 120 is arranged to be perpendicular to the air deflector 110 and located in the sheet-shaped structure in the center of the air deflector 110, under the structure, pressure can be respectively applied to two sides of the protruding portion 120 by using fingers or other tools with large friction coefficients, so that the fingers or other tools with large friction coefficients are moved towards the air outlet 300 of the die-cast burner, the protruding portion 120 can be subjected to friction force towards the air outlet 300 of the die-cast burner, and under the action of the friction force, the air deflector 100 can be taken out.

In addition, the sum of the occupied areas of the through holes 111 on the guide plate 110 is set between 30% and 40% of the area of the plate surface of the guide plate 110, so that the flow limiting degree of the guide plate 110 to the mixed gas can be maintained in a proper range, the gas and the air in the mixed gas can be sufficiently mixed, the flow of the mixed gas sprayed out of the through holes 111 on the guide plate 110 in unit time can be ensured, and the requirement of the mixed gas during combustion of the gas cooker can be ensured.

Referring to fig. 1 and 2, the present embodiment further provides a die-cast burner including the above-mentioned baffle 100.

Therefore, the die-casting furnace end that this embodiment provided has all advantages of above-mentioned water conservancy diversion spare 100, can make gas and air premix more fully for gas cooking utensils are difficult for appearing taking off a fire the problem, and combustion performance is good.

The deflector 100 may be mounted to the die-casting head in any one of three ways.

First, a sink is provided at the air outlet 300 of the die-cast burner, the guide member 100 is placed on the sink, and the guide member 100 is in clearance fit with the die-cast burner.

It should be noted that, because the air outlet 300 of the die-casting furnace end faces upward, the guiding member 100 does not need to be connected with the pressing furnace end, and only needs to be placed on the sinking platform, and at this time, the guiding member 100 is in clearance fit with the die-casting furnace end, so that the guiding member 100 is convenient to mount and dismount.

Secondly, with guiding element 100 and die-casting furnace end riveting, be convenient for improve the integration degree of die-casting furnace end, in the transportation, guiding element 100 can not separate with the die-casting furnace end. At this time, the air outlet 300 of the die-casting burner may or may not be provided with a sink for preventing the diversion member 100 from sinking.

Thirdly, with guiding element 100 and die-casting furnace end interference fit, be convenient for improve the integration degree of die-casting furnace end, in the transportation, guiding element 100 can not separate with the die-casting furnace end, in addition, because of need not the riveting, so can simplify the interconnect process between guiding element 100 and the die-casting furnace end. At this time, the air outlet 300 of the die-casting burner may or may not be provided with a sink for preventing the diversion member 100 from sinking.

In particular, the guide member 100 may be made of a stainless steel plate having characteristics of corrosion resistance and high temperature resistance, and is suitable for being applied to the high temperature corrosion environment of the inner annular diffusion chamber 200 of the die-casting furnace head.

It should be noted that other materials that are resistant to high temperatures and corrosion may be used for the baffle 100.

The embodiment also provides a gas cooker which comprises the die-casting furnace end.

Therefore, the gas cooking utensils that this embodiment provided all have all advantages of above-mentioned die-casting furnace end, can make gas and air premix more fully, and difficult emergence takes off a fire problem, and combustion performance is good.

In summary, the invention discloses a flow guide member, a die-casting burner and a gas cooker, which overcome many technical defects of the traditional die-casting burner. The water conservancy diversion spare, die-casting furnace end and gas cooking utensils that this embodiment provided can make the gas and the air mixing in the mist more abundant for gas cooking utensils are difficult for appearing taking off the fire problem, and combustion performance is good.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The flow guide part is characterized in that the flow guide part (100) is used for being installed at a position, close to an air outlet (300), of an inner ring diffusion cavity (200) of a die-casting furnace end; the flow guide piece (100) is provided with a plurality of through holes (111), and the mixed gas in the inner ring pressure expansion cavity (200) can be sprayed out through the through holes (111).

2. Flow guide according to claim 1, characterized in that the flow guide (100) comprises a flow guide plate (110), the through hole (111) opening onto the flow guide plate (110).

3. Flow guide according to claim 2, characterized in that the side of the through hole (111) facing the air outlet (300) of the die cast burner is provided with a flanging.

4. The deflector according to claim 2, wherein the deflector (110) is a flat plate, the through holes (111) are multiple, and the multiple through holes (111) are uniformly distributed on the deflector (110);

or the flow guide plate (110) inclines from the edge to the center along the flowing direction of the airflow, the number of the through holes (111) is one, and the through holes (111) are arranged at the center of the flow guide plate (110);

or, guide plate (110) have annular dull and stereotyped (112) and hollow round platform (113), the interior annular portion of annular dull and stereotyped (112) with the annular bottom edge of hollow round platform (113) meets, just hollow round platform (113) are in annular dull and stereotyped (112) orientation one side of die-casting furnace end's gas outlet (300), the hollow formation of hollow round platform (113) perforating hole (111).

5. Air guide element according to claim 2, characterized in that the air guide plate (110) is provided with a projection (120) projecting towards the air outlet (300) of the die-cast burner.

6. Flow guide according to claim 5, characterized in that the number of protrusions (120) is two and that the two protrusions (120) are symmetrically distributed at the edge of the flow guide (110).

7. Flow guide according to claim 6, characterized in that the protrusion (120) is a sheet-like structure perpendicular to the flow guide (110).

8. Flow guide according to any of claims 2-7, characterized in that the sum of the areas occupied by the individual through holes (111) is between 30-40% of the area of the plate surface of the flow guide plate (110).

9. A die-cast burner, characterized in that it comprises a deflector (100) according to any one of claims 1 to 8.

10. The die-cast burner head according to claim 9, characterized in that a counter sink is arranged at the air outlet (300) of the die-cast burner head, the deflector (100) is placed on the counter sink, and the deflector (100) is in clearance fit with the die-cast burner head;

or the flow guide piece (100) is riveted with the die-casting furnace end;

or the flow guide piece (100) is in interference fit with the die-casting furnace end.

11. A gas cooker comprising the die-cast burner of claim 9 or 10.