CN214619530U - Full-upper air inlet furnace head - Google Patents

Abstract

The utility model relates to a full upper air inlet furnace head, which comprises a base and a fire dividing seat, wherein the base comprises an injection pipe and a premixing cavity, the fire dividing seat is provided with an air inlet and a fire dividing cavity, the furnace head also comprises a switching seat positioned between the base and the fire dividing seat, and the switching seat is provided with an air inlet part and a premixed air outlet part; the injection pipe, the premixing cavity, the premixing air outlet part, the air inlet and the fire distribution cavity are communicated in sequence to form a mixed gas conveying channel; divide the fire seat to be equipped with the bottom plate of keeping a public place clean towards one side of adapter, be equipped with first air inlet chamber between bottom plate of keeping a public place clean and the adapter, first air inlet chamber, air inlet portion, draw and penetrate the pipe and communicate in proper order and constitute first inlet channel, the dish of keeping a public place clean can prevent that the ponding of furnace end top from directly getting into the bottom of furnace end, plays the effect of keeping a public place clean, and simultaneously, the air can get into through first inlet channel and draw and penetrate in the body, need not additionally to set up air inlet structure on the gas-cooker drain pan at furnace end place.

Description

Full-upper air inlet furnace head

Technical Field

The utility model relates to a gas equipment's technical field, concretely relates to air inlet furnace end on full.

Background

The existing air inlet mode of the furnace end is generally divided into upper air inlet or lower air inlet or the combination of the upper air inlet and the lower air inlet, wherein the upper air inlet refers to an air inlet formed in the position, corresponding to the upper part of a gas stove, of the furnace end, and air enters the furnace end from the air inlet and is mixed with gas to be combusted, for example, the air inlet is formed in the outer side of a fire dividing seat of the furnace end. When the air enters downwards, the air enters from the bottom shell of the gas stove, enters the injection pipe under the action of the negative pressure of the injection pipe, is mixed with the gas, enters the fire separating seat and finally burns.

Go up the air inlet because the air directly gets into the furnace end from gas-cooker upper portion, consequently the furnace end can set up the dish of keeping a public place clean in the bottom of dividing the fire seat, prevents impurity such as ponding from getting into the gas-cooker from the furnace end in, plays the effect of keeping a public place clean, however, the air input of going up alone is generally not enough, influences the combustion effect.

The lower air inlet generally needs to be formed by opening a hole in the bottom shell of the gas stove or a through groove structure which is communicated up and down needs to be formed in the stove head, the structural strength of the gas stove is affected by the mode of opening the hole in the bottom shell of the gas stove, the processing difficulty is increased, and the appearance is not attractive enough; the burner is provided with a through groove structure which is communicated up and down, so that impurities such as accumulated water can easily enter the gas stove from the burner, and the cleaning effect of the gas stove cannot be achieved.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an air inlet furnace end on full, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

The purpose of the utility model is realized like this:

a full-upper air inlet furnace end comprises a base and a fire distribution seat, wherein the base is provided with an injection pipe for injecting gas and a premixing cavity which is used for combining the gas and air into mixed gas and communicated with the injection pipe; the injection pipe, the premixing cavity, the premixing air outlet part, the air inlet and the fire distribution cavity are communicated in sequence to form a mixed gas conveying channel; a cleaning bottom plate is arranged on one side of the fire distribution seat facing the adapter, a first air inlet cavity is arranged between the cleaning bottom plate and the adapter, and the first air inlet cavity, the air inlet part and the injection pipe are sequentially communicated to form a first air inlet channel; when the fuel gas is injected to the injection pipe, the injection pipe generates negative pressure, so that the air above the furnace end enters the injection pipe body through the first air inlet channel.

The adapter is in a cover shape and is provided with a body which is covered on the premixing cavity, the air inlet part is a plurality of through grooves and through holes which are formed in the body, and the premixing air outlet part is formed in the body and extends towards the fire distributing seat to form a secondary injection pipe; the air inlet and the secondary injection pipe are mutually inserted and installed, the fire distribution seat is arranged on the adapter in a hanging mode, and a first air inlet cavity is formed by the fire distribution seat and the hanging space of the adapter.

The body is provided with at least one premixing air outlet part communicated with the premixing cavity.

The surface of the body is provided with a supporting part which extends towards the fire distributing seat and is abutted against the fire distributing seat or the cleaning plate.

The radial dimension of the cleaning disc is equal to or larger than that of the adapter; the outer edge of the cleaning tray is provided with an outward extension and a water discharge surface inclining downwards.

One side of the cleaning plate facing the first air inlet cavity is provided with a plurality of heat dissipation teeth, and adjacent heat dissipation teeth are arranged at intervals and form a heat dissipation air inlet communicated with the first air inlet cavity.

The furnace end still includes the water collector, and the water collector is located the dish downside of keeping a public place clean, and the water collector is installed with adapter or base.

The fire distribution seat is provided with a second air inlet cavity corresponding to the upper position of the cleaning tray, the upper outer side of the furnace end, the second air inlet cavity and the upper inner side of the furnace end are sequentially communicated to form a second air inlet channel, two sides of the fire distribution cavity corresponding to the premixed air outlet portion are respectively provided with a flow equalizing inclined plane which inclines upwards from bottom to top, the second air inlet cavity is arranged outside the flow equalizing inclined plane, and the flow equalizing inclined plane and the second air inlet cavity are arranged at intervals.

The utility model discloses a mixed gas of leading to water, including the preceding baffle plate, the preceding baffle plate is equipped with the water conservancy diversion face of leading to the mixed gas, the water conservancy diversion face is equipped with first vortex portion down, and the water conservancy diversion face forms rotatory upwards extension shape along the direction that the mixed gas was led to the reposition of redundant personnel down, and first vortex portion sets up or the unsmooth setting of continuous S-shaped along the extending direction of water conservancy diversion face under in succession, and after mixed gas got into and mixes the chamber in advance, mixed gas just vortex diffusion under the effect of first vortex portion in mixing the intracavity.

The adapter is equipped with mix the chamber or guide the face assorted down and go up the water conservancy diversion face, goes up the water conservancy diversion face and is equipped with second vortex portion along the direction that the reposition of redundant personnel penetrated the gas, goes up the water conservancy diversion and personally submits the level setting, and second vortex portion is unsmooth setting or the unsmooth setting of continuous S-shaped about the horizontal direction of going up the water conservancy diversion face is continuous, and after mist got into and mixes the chamber in advance, mist just vortex diffusion under second vortex portion effect in mixing the intracavity.

The utility model has the advantages that:

the dish of keeping a public place clean can prevent that ponding above the furnace end from directly getting into the bottom of furnace end, plays the effect of keeping a public place clean, and simultaneously, the air can be in drawing the injection pipe body through first inlet channel entering, need not additionally to set up air inlet structure on the gas-cooker drain pan at furnace end place, when guaranteeing that the air input is sufficient and have the effect of keeping a public place clean, has simplified the structure of furnace end place gas-cooker drain pan, reduces the processing degree of difficulty, makes the product more pleasing to the eye, and is high-grade.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

Fig. 1 is an exploded view of a first embodiment of the present invention.

Fig. 2 is a first cross-sectional view of the first embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of the first embodiment of the present invention.

Fig. 4 is a third schematic cross-sectional view of the first embodiment of the present invention.

Fig. 5 is a schematic structural view of a fire-distributing seat according to a first embodiment of the present invention.

Fig. 6 is a schematic structural view of an adapter according to a first embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a second embodiment of the present invention.

Fig. 8 is a schematic structural view of a base according to a second embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view of a third embodiment of the present invention.

Fig. 10 is a schematic structural view of an adaptor according to a third embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-6, the full-upper air inlet furnace end comprises a base 1 and a fire distribution base 2, wherein the base 1 is provided with an injection pipe 11 for injecting gas and a premixing cavity 13 which is used for combining the gas and air into mixed gas and is communicated with the injection pipe 11, the fire distribution base 2 is provided with an air inlet 23 for inputting the mixed gas and a fire distribution cavity 22 which is used for distributing the mixed gas and is communicated with the air inlet 23, the furnace end further comprises a switching base 3 which is positioned between the base 1 and the fire distribution base 2, and the switching base 3 is provided with an air inlet part 31 and a premixing air outlet part 32; the injection pipe 11, the premixing cavity 13, the premixing air outlet part 32, the air inlet 23 and the fire distributing cavity 22 are communicated in sequence to form a mixed gas conveying channel.

The gas and air are sequentially injected in the process of passing through the mixed gas conveying channel, the gas and the air are mixed, and finally the gas and the air are diffused in the fire distribution cavity 22.

One side of the fire distribution base 2 facing the adapter 3 is provided with a cleaning bottom plate 21, a first air inlet cavity 41 is arranged between the cleaning bottom plate 21 and the adapter 3, and the first air inlet cavity 41, the air inlet part 31 and the injection pipe 11 are communicated in sequence to form a first air inlet channel.

When the gas is drawn to drawing and penetrates tub 11, draw and penetrate tub 11 and produce the negative pressure, make the first inlet channel of air above the furnace end get into and draw and penetrate tub body 11, keep a public place clean 21 can prevent that ponding above the furnace end from directly getting into the bottom of furnace end, play the effect of keeping a public place clean, simultaneously, the air can get into through the first inlet channel 41 that keeps a public place clean 21 and adapter 3 formed and draw and penetrate in tub body 11.

The lower air inlet structure in the prior art needs the gas stove bottom shell at which the burner is located to additionally provide an air inlet structure for enabling air to enter the space outside the base 1, namely, an air inlet hole needs to be formed in the gas stove bottom shell, so that the processing cost of the gas stove bottom shell is increased, and the product grade is not favorably promoted.

Through the first air inlet chamber 41 that forms between dish 21 and the adapter 3 of keeping a public place clean, can the furnace end when not influencing the effect of keeping a public place clean, make the air can follow the top position of furnace end and draw in penetrating the pipe through first inlet channel entering, need not additionally to set up air inlet structure on the gas-cooker drain pan at furnace end place, when guaranteeing that the air input is sufficient and have the effect of keeping a public place clean, simplified the structure of furnace end place gas-cooker drain pan, reduce the processing degree of difficulty, make the product more pleasing to the eye, high-grade.

Further, the adapter 3 is in a cover shape and is provided with a body 34 covered on the premixing cavity 13, the air inlet part 31 is provided with a plurality of through grooves and through holes formed on the body 34, and the premixing air outlet part 32 is formed on the body 34 and extends towards the fire distribution seat 2 to form a secondary injection pipe; the air inlet 23 and the secondary injection pipe are inserted and installed with each other, the fire distribution base 2 is arranged on the adapter 3 in a hanging mode, and a first air inlet cavity 41 is formed in the hanging space between the fire distribution base 2 and the adapter 3.

Set up a plurality of logical grooves and through-hole, resistance when can reducing the air through air inlet 31 improves the circulation efficiency of air, has also reduced the consumptive material of product, is favorable to the product lightweight.

The secondary injection pipe can enable the mixed gas to have the secondary injection effect in the process that the premixed cavity 13 enters the fire distribution cavity 22, and the mixing effect of gas and air in the mixed gas is improved.

The adapter 3 and the fire-distributing base 2 as well as the base 1 can be of an integrated structure or a split structure, wherein when the adapter and the fire-distributing base are of the split structure, the connecting positions can adopt conventional sealing means such as sealant, and the like, and the adapter and the fire-distributing base can be understood by those skilled in the art.

Furthermore, at least one premixing air outlet part 32 communicated with the premixing cavity 13 is arranged on the body,

after the mist got into from ejector pipe 11 and mixes air cavity 13 in advance, can mix air cavity 13 internal diffusion in advance earlier, the mixing of in-process gas and air can be more abundant, then continues to mix in getting into branch fire seat 2 to make mist's burning more abundant, high-efficient.

In this embodiment, the premixed gas outlet part 32 includes two outer ring gas outlets and two inner ring gas outlets, the gas distribution ring includes an outer gas distribution ring and an inner gas distribution ring, the two outer ring gas outlets are respectively and symmetrically connected with the outer gas distribution ring, the two inner ring gas outlets are respectively and symmetrically connected with the inner gas distribution ring, namely, the mixed gas entering the gas distribution ring is injected by the two outer ring gas outlets or the two inner ring gas outlets, so that the mixed gas is uniformly distributed in the gas distribution ring after being fully mixed, and the overall combustion effect is improved.

Further, body 34 surface is equipped with supporting part 341, and supporting part 341 extends towards branch fire seat 2 and supports with branch fire seat 2 or clean dish 21 and lean on, and supporting part 341 plays the supporting effect to branch fire seat 2, makes branch fire seat 2 more steady, and supporting part 341 extends bellied shape can also be used as the strengthening rib effect moreover, improves the structural strength of adapter 3.

The adapter 3 can be adapted to different types of bases 1 by finely adjusting the processing size of the adapter, so that the adapter can be used as a general high-foot furnace head, a cleaning furnace head and an airplane furnace head.

Further, the radial dimension of the cleaning disc 21 is equal to or larger than that of the adapter 3; the outer fringe of keeping a public place clean 21 is equipped with and extends outward to be equipped with slope decurrent water discharge surface 211, when ponding drippage to the dish of keeping a public place clean 21, ponding through water discharge surface 211 under the effect of gravity on the water collector 5 of below landing, avoid ponding to get into the bottom of furnace end, play the effect of keeping a public place clean, easy user's washing.

Further, the dish 21 of keeping a public place clean is equipped with a plurality of heat dissipation tooth 212 towards one side of first air inlet chamber 41, and adjacent heat dissipation tooth 212 interval sets up to form the heat dissipation air inlet 213 with first air inlet chamber 41 intercommunication, improve the radiating effect who divides fire seat 2, and then adjust the holistic temperature of branch fire seat 2, avoid dividing fire seat 2 because of work for a long time the high temperature, lead to ageing with higher speed, be favorable to prolonging product life.

The heat dissipation teeth 212 can also abut against the supporting portion 341 to support the fire-distributing base 2, and of course, the heat dissipation teeth 212 can also be preferably disposed at the peripheral edge of the bottom of the fire-distributing base 2, so that more air can pass through the heat dissipation air inlet 213 to improve the heat dissipation effect.

Further, the furnace end still includes water collector 5, and water collector 5 is located the 21 downside of keeping a public place clean, and water collector 5 and adapter 3 or 1 installation of base are just the user do unified the processing to ponding, and it is more convenient to wash.

Further, the distributor base 2 is equipped with the second air inlet chamber 42 corresponding to the upper position of the cleaning plate 21, the upper outer side of the burner, the second air inlet chamber 42 and the upper inner side of the burner are communicated in sequence to form a second air inlet channel, the two sides corresponding to the premixed air outlet part 32 in the distributor base 22 are respectively provided with a flow equalizing inclined plane 221 inclined upwards from bottom to top, after mixed gas enters the distributor base 22, the mixed gas climbs upwards under the effect of the flow equalizing inclined plane 221, the time of the mixed gas diffusing in the distributor base is increased, and gas and air can be mixed more fully.

The second air inlet cavity 42 is arranged outside the flow equalizing inclined plane 221, the flow equalizing inclined plane 221 and the second air inlet cavity 42 are arranged at an inner interval and an outer interval, overall consumable materials of the fire distributing base are reduced, meanwhile, the external space of the flow equalizing inclined plane 221 is ingeniously utilized, and the overall structure of the fire distributing base 2 is more compact.

It should be noted that the solid arrows in the drawings indicate the diffusion direction of the mixed gas in the mixed gas conveying channel; the hollow arrows in the drawing indicate the diffusion direction of air in the first intake passage; the dotted arrows in the drawing indicate the diffusion direction of air in the second intake passage.

Second embodiment

Referring to fig. 7 and 8, the present embodiment is different from the first embodiment in that: this last air inlet furnace end' S premix chamber 13 internal face is equipped with the lower water conservancy diversion face 12 that is used for the reposition of redundant personnel to draw the mist, water conservancy diversion face 12 is equipped with first vortex portion 121 down, water conservancy diversion face 12 forms rotatory upwards extension shape along the direction of reposition of redundant personnel injection mist, first vortex portion 121 sets up or the unsmooth setting of continuous S-shaped along the continuous unsmooth setting of the extending direction of water conservancy diversion face 12 down, after mist got into premix chamber 13, mist just vortex diffusion under first vortex portion 121 effect in premix chamber 13, part air current does irregular motion along with the shape of first vortex portion 121, form the turbulent flow easily, after mist forms the turbulent flow, diffusion velocity can slow down, thereby the gas mixing time has been increased, and the mist that forms the turbulent flow entangles each other, more be favorable to the mixing of gas and air.

The remaining portions not described are the same as those of the first embodiment, and are not repeated here.

Third embodiment

Referring to fig. 9 and 10, the present embodiment is different from the second embodiment in that: this adapter 3 of all-up air inlet furnace end is equipped with the last water conservancy diversion face 33 with premixing chamber 13 or lower water conservancy diversion face 12 assorted, it is equipped with second vortex portion 331 to go up water conservancy diversion face 33 along the direction of reposition of redundant personnel injection gas, it is horizontal to go up water conservancy diversion face 33, second vortex portion 331 is unsmooth sets up or the unsmooth setting of continuous S-shaped about the horizontal direction of last water conservancy diversion face 33 is continuous, after the gas mixture gets into premixing chamber 13, the gas mixture just vortex diffusion under second vortex portion 331 effect in premixing chamber 13 in the premixing chamber 13, the in-process of gas mixture diffusion in premixing chamber 13, part air current does irregular motion along with the shape of second vortex portion 331, lead to forming the turbulent flow easily, after the gas forms the turbulent flow, diffusion velocity can slow down, thereby the gas mixing time has been increased, and the gas that forms the turbulent flow entangles each other, be more favorable to the mixing of gas and air.

In this embodiment, set up first vortex portion 121 and second vortex portion 331 simultaneously, increased the mobile irregularity degree of gas, improve the chance that the turbulent flow formed, be favorable to the mixture of gas and air more.

The remaining portions not described are the same as those of the second embodiment, and are not repeated here.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims (10)

1. The full-upper air inlet furnace end comprises a base (1) and a fire distribution base (2), wherein the base (1) is provided with an injection pipe (11) for injecting gas and a premixing cavity (13) for combining the gas and air into mixed gas and communicating with the injection pipe (11), the fire distribution base (2) is provided with an air inlet (23) for inputting the mixed gas and a fire distribution cavity (22) for distributing the mixed gas and communicating with the air inlet (23), and the full-upper air inlet furnace end is characterized by further comprising a switching base (3) positioned between the base (1) and the fire distribution base (2), and the switching base (3) is provided with an air inlet part (31) and a premixed air outlet part (32); the injection pipe (11), the premixing cavity (13), the premixing air outlet part (32), the air inlet (23) and the fire distribution cavity (22) are communicated in sequence to form a mixed gas conveying channel; a cleaning disc (21) is arranged on one side, facing the adapter (3), of the fire distribution seat (2), a first air inlet cavity (41) is arranged between the cleaning disc (21) and the adapter (3), and the first air inlet cavity (41), the air inlet part (31) and the injection pipe (11) are communicated in sequence to form a first air inlet channel; when the fuel gas is injected to the injection pipe (11), the injection pipe (11) generates negative pressure, so that air above the burner enters the injection pipe (11) through the first air inlet channel.

2. The all-up air intake jamb of claim 1, wherein: the adapter (3) is in a cover shape and is provided with a body (34) which is covered on the premixing cavity (13), the air inlet part (31) is a plurality of through grooves and through holes which are formed in the body (34), the premixing air outlet part (32) is formed in the body (34) and extends towards the fire distribution seat (2) to form a secondary injection pipe; the air inlet (23) and the secondary injection pipe are installed in an inserted mode, the fire distribution base (2) is arranged on the adapter (3) in a hanging mode, and a first air inlet cavity (41) is formed in the hanging space between the fire distribution base (2) and the adapter (3).

3. The all-up air intake jamb of claim 2, wherein: the body (34) is provided with at least one premixing air outlet part (32) communicated with the premixing cavity (13).

4. The all-up air intake jamb of claim 2, wherein: the surface of the body (34) is provided with a supporting part (341), and the supporting part (341) extends towards the fire distribution seat (2) and is abutted against the fire distribution seat (2) or the cleaning disc (21).

5. The all-up air intake jamb of claim 1, wherein: the radial size of the cleaning disc (21) is equal to that of the adapter (3) or larger than that of the adapter (3); the outer edge of the cleaning tray (21) is provided with a water discharging surface (211) which extends outwards and inclines downwards.

6. The all-up air intake jamb of claim 1, wherein: one side of the cleaning disc (21) facing the first air inlet cavity (41) is provided with a plurality of heat dissipation teeth (212), and adjacent heat dissipation teeth (212) are arranged at intervals and form a heat dissipation air inlet (213) communicated with the first air inlet cavity (41).

7. The all-up air intake jamb of claim 1, wherein: the burner further comprises a water receiving disc (5), the water receiving disc (5) is located on the lower side of the cleaning disc (21), and the water receiving disc (5) is installed on the adapter (3) or the base (1).

8. The all-up air intake jamb of claim 1, wherein: divide fire seat (2) to correspond and keep a public place clean dish (21) top position and be equipped with second air inlet chamber (42), the top outside of furnace end, second air inlet chamber (42) and the top inboard of furnace end communicate in proper order and constitute second inlet channel, divide the both sides that correspond in fire chamber (22) and mix in advance air outlet portion (32) and be equipped with inclined plane (221) of flow equalizing from bottom to top tilt up respectively, second air inlet chamber (42) are seted up in the outside on inclined plane (221) of flow equalizing, and inclined plane (221) of flow equalizing and second air inlet chamber (42) are inside and outside interval setting.

9. The all-upper air intake jamb of any of claims 1 to 8, wherein: premix chamber (13) internal face is equipped with lower water conservancy diversion face (12) that are used for the reposition of redundant personnel to draw the mist, water conservancy diversion face (12) are equipped with first vortex portion (121) down, water conservancy diversion face (12) are drawn the direction of drawing the mist along the reposition of redundant personnel and are formed rotatory shape that upwards extends down, and first vortex portion (121) are along the continuous unsmooth setting of extending direction or the unsmooth setting of continuous S-shaped of water conservancy diversion face (12) down, and after mist got into premix chamber (13), mist just vortex diffusion under first vortex portion (121) effect in premixing chamber (13).

10. The all-up air intake jamb of claim 9, wherein: adapter (3) be equipped with mix chamber (13) or lower water conservancy diversion face (12) assorted go up water conservancy diversion face (33) with mixing, it is equipped with second vortex portion (331) to go up water conservancy diversion face (33) along the direction that the reposition of redundant personnel penetrated the gas, it is the level setting to go up water conservancy diversion face (33), and second vortex portion (331) are along the continuous unsmooth setting from top to bottom of the horizontal direction of last water conservancy diversion face (33) or the unsmooth setting of continuous S-shaped, and after mist got into mix chamber (13) in advance, mist just dispersed under second vortex portion (331) effect in mixing chamber (13).

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