CN209229729U - External ring fire cover and burner - Google Patents

Abstract

The utility model provides a kind of external ring fire cover and burner, is related to kitchen range technical field.The external ring fire cover includes lid, is circumferentially with the appearance air drain that Open Side Down along it on lid, and the lateral wall for holding air drain is equipped with outer fire hole；The inward flange for holding air drain lateral wall bottom end, which is hot-forged forging and forming, forging slot, and the inner opposite end for forging slot is connected to air drain is held, and is held to be equipped with from the outside to the core on the lateral wall of air drain and is cut slot, and the inner opposite end for cutting slot is connected to forging slot；The burner includes distributor pedestal and above-mentioned external ring fire cover, and external ring fire cover is covered on the outer ring pedestal of distributor pedestal.The stability that the outer fire hole of the external ring fire cover generates main flame is high.

Description

External ring fire cover and burner

Technical field

The utility model relates to kitchen range technical field more particularly to a kind of external ring fire covers and burner.

Background technique

Gas-cooker is the kitchen article that heating cooking is carried out to food, and at work, combustion gas enters gas-cooker from air inlet pipe In stove, enter in burner after adjusting (user is adjusted by the knob) effect by regulating valve, while empty with a part Gas is mixed, after mixed gas enters distributor, be ignited device light and from fire hole spray form flame, be used to plus Heat is placed in the cookware on pan bracket.

Currently, the distributor of gas-cooker in the market generally comprises external ring fire cover and interior ring fire cover, wherein external ring fire cover is made Based on fire cookware is heated, interior ring fire cover as auxiliary fire to being heated in the middle part of cookware, however, existing burner In use, external ring fire cover and external environment contact area are larger, the temperature of external environment is lower, and causes the mixing at outer fire hole Phenomena such as flame is easy to appear jump fire, tempering is generated when gas burns, and external ring fire cover is caused to generate the poor feelings of flame holding Condition.

That is, when the outside flame of existing external ring fire cover, phenomena such as being easy to produce jump fire, tempering at outer fire hole, lead to outer ring fire Lid generates flame instability.

Utility model content

The purpose of this utility model is to provide a kind of external ring fire cover and burners, existing in the prior art outer to solve When the outside flame of ring fire cover, phenomena such as jump fire, tempering are easy to produce at outer fire hole, external ring fire cover is caused to generate flame instability Technical problem.

External ring fire cover provided by the utility model, including lid are circumferentially with the appearance that Open Side Down along it on the lid Air drain, the lateral wall for holding air drain are equipped with outer fire hole；The inward flange for holding air drain lateral wall bottom end is through forging into Type has forging slot, and the inner opposite end of the forging slot is connected to the appearance air drain, is set from the outside to the core on the lateral wall for holding air drain Slot is cut, the inner opposite end for cutting slot is connected to the forging slot.

Further, the forging slot is multiple, and multiple forging slots hold circumferentially uniformly arranging for air drain along described, and multiple The forging slot is through being hot-forged a forging and forming；The slot that cuts is ring-type, and circumferential consistent with the appearance air drain lateral wall, multiple The forging slot is connected to the inner opposite end for cutting slot.

Further, the outer fire hole is multiple, and multiple outer fire holes are arranged along the circumferential dispersion for holding air drain, and Multiple outer fire holes are successively arranged alternately with multiple forging slots.

Further, the slot position of cutting is in the lower section of the outer fire hole.

It is further, described that cut slot consistent with the tilt angle of the outer fire hole.

Further, the inner sidewall for holding air drain is equipped with interior fire hole.

Further, the outer wall of the lid is equipped with fire tank, and one end of the fire tank is connected to the outer fire hole, The other end is connected to the interior fire hole.

Further, the bottom end inward flange for holding air drain lateral wall is circumferentially with cricoid clamping groove along it.

Further, the bottom end for holding air drain inner sidewall is equipped with locating slot.

Another of the utility model is designed to provide a kind of burner, distributor pedestal and above-mentioned external ring fire cover, institute It states external ring fire cover to be covered on the outer ring pedestal of the distributor pedestal, which has all technologies of above-mentioned external ring fire cover Effect.

The utility model external ring fire cover and burner have the beneficial effect that

External ring fire cover and burner provided by the utility model, wherein external ring fire cover includes lid, the lid as matrix It is equipped with the appearances air drain for accommodating combustion gas, is mixed and burned out the outer fire hole of fire and mutual with outside air for escaping for combustion gas Connection, which is collectively formed, assists out fire, external fire hole are fiery out stablize the forging slot of flame and cut slot；Wherein, burner includes being used for To the distributor pedestal and the above-mentioned external ring fire cover to outgoing fire of external ring fire cover delivery of fuel gas.

When using burner, external ring fire cover is covered on distributor pedestal, the appearance air drain and distributor pedestal of external ring fire cover The accommodating chamber for accommodating combustion gas is collectively formed, combustion gas is delivered in the accommodating chamber by external feeder through burner, and one Aspect, outer fire hole are connected to accommodating chamber and external aerobic environment, and the combustion gas in accommodating chamber is escaped through outer fire hole to be mixed with external oxygen Burning forms main flame, heats to the cookware being positioned above；On the other hand, it forges the inner opposite end of slot and holds air drain, i.e., It is connected to accommodating chamber, cuts that the inner opposite end of slot be connected to forging slot, lateral ends are connected to outside aerobic environment, then in accommodating chamber Combustion gas can also be escaped by forging slot and cutting slot, be mixed and burned to form auxiliary flame with external oxygen, also can be to above it Cookware is heated.

Wherein, it is cut auxiliary flame that slot generates outward while capableing of the root range of externally fire hole and heated, improved The regional air and the temperature of combustion gas, thus reduce escaped at fire output hole combustion gas and cool exterior air mixed firinor fuel burning cause jump fire or The occurrence of tempering, correspondinglys increase the combustion stability of main flame at outer fire hole, improves the heating efficiency of external ring fire cover.

In addition, the forging slot on external ring fire cover is through hot forging process forging and forming, on the one hand, hot forging processing technology is compared in lid Upper cutting or bore process operation are simple, can substantially reduce the processing cost of external ring fire cover；On the other hand, lid is being hot-forged It being needed in the process by recrystallization, coarse as-cast structure becomes the new tissue of small grains, and reduces the defect of as-cast structure, Improve the mechanical performance of lid.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the bottom-up three dimensional structure diagram of external ring fire cover provided by the embodiment of the utility model；

Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1；

Fig. 3 is the partial enlargement diagram of C in Fig. 2；

Fig. 4 is the partial enlargement diagram of B in Fig. 1；

Fig. 5 is the present invention looks up structural representation of external ring fire cover provided by the embodiment of the utility model.

Icon: 1- lid；11- holds air drain；The outer fire hole of 12-；Fire hole in 13-；14- fire tank；15- clamping groove； 16- locating slot；2- forges slot；3- cuts slot.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The present embodiment provides a kind of external ring fire covers, as Figure 1-Figure 4, including lid 1, are circumferentially on lid 1 along it The appearance air drain 11 that Open Side Down, the lateral wall for holding air drain 11 are equipped with outer fire hole 12；Hold the inward flange of 11 lateral wall bottom end of air drain Being hot-forged forging and forming has forging slot 2, and the inner opposite end for forging slot 2 is connected to air drain 11 is held, and holds on the lateral wall of air drain 11 from outer It is provided inwardly with and cuts slot 3, the inner opposite end for cutting slot 3 is connected to forging slot 2.

The present embodiment also provides a kind of burner, distributor pedestal and above-mentioned external ring fire cover, and external ring fire cover is covered on a point fire On the outer ring pedestal of device pedestal.

External ring fire cover and burner provided in this embodiment, wherein external ring fire cover includes lid 1, the lid 1 as matrix Be equipped with the appearances air drain 11 for accommodating combustion gas, for for combustion gas escape with outside air be mixed and burned out fiery outer fire hole 12 and Being interconnected to be collectively formed assists out fire, external fire hole 12 are fiery out stablize the forging slot 2 of flame and cut slot 3；Wherein, burner Including for the distributor pedestal and the above-mentioned external ring fire cover to outgoing fire to external ring fire cover delivery of fuel gas.

When using burner, external ring fire cover is covered on distributor pedestal, the appearance air drain 11 of external ring fire cover and distributor bottom The accommodating chamber for accommodating combustion gas is collectively formed in seat, and combustion gas is delivered in the accommodating chamber by external feeder through burner, On the one hand, outer fire hole 12 is connected to accommodating chamber and external aerobic environment, and the combustion gas in accommodating chamber is escaped through outer fire hole 12 and external oxygen Gas is mixed and burned to form main flame, heats to the cookware being positioned above；On the other hand, the inner opposite end and appearance of slot 2 are forged Air drain 11, i.e., be connected to accommodating chamber, cuts that the inner opposite end of slot 3 be connected to forging slot 2, lateral ends are connected to outside aerobic environment, Then the combustion gas in accommodating chamber can also be escaped by forging slot 2 and cutting slot 3, be mixed and burned to form auxiliary flame with external oxygen, Cookware above it can be heated.

Wherein, it is cut auxiliary flame that slot 3 generates outward while capableing of the root range of externally fire hole 12 and heated, mentioned The high regional air and the temperature of combustion gas cause jump fire with cool exterior air mixed firinor fuel burning to reduce and escape combustion gas at fire output hole Or the occurrence of tempering, the combustion stability of main flame at outer fire hole 12 is correspondinglyd increase, the heating efficiency of external ring fire cover is improved.

In addition, the forging slot 2 on external ring fire cover is through hot forging process forging and forming, on the one hand, hot forging processing technology, which is compared, to be covered Cutting or bore process operation are simple on body 1, can substantially reduce the processing cost of external ring fire cover；On the other hand, lid 1 exists It is needed in hot forging process by recrystallization, coarse as-cast structure becomes the new tissue of small grains, and reduces as-cast structure Defect improves the mechanical performance of lid 1.

In the present embodiment, as shown in Figure 1 and Figure 5, forging slot 2 can be multiple, multiple forging slots 2 along hold air drain 11 it is circumferential Even arrangement, and multiple forging slots 2 are through being hot-forged a forging and forming；Slot 3 is cut as ring-type, and circumferential one with appearance 11 lateral wall of air drain It causes, multiple forging slots 2 are connected to the inner opposite end for cutting slot 3.When using burner, the combustion gas held in air drain 11 can be simultaneously through more A forging slot 2 flows into cricoid appearance air drain 11, through escaping at the cyclic annular annular opening for holding air drain 11 and along appearance air drain 11 after It is circumferential to generate auxiliary flame, on the one hand, annular auxiliary flame can be evenly heated the cookware above it, improve outer ring fire The heating efficiency of lid；On the other hand, annular auxiliary flame can be to all outer fire holes 12 being distributed on appearance 11 lateral wall of air drain Root range play heat effect, so that it is guaranteed that forging slot 2 and cut slot 3 to the steady flame effect of main flame at all outer fire holes 12, The occurrence of being further reduced jump fire at outer fire hole 12 or being tempered improves the stability that external ring fire cover goes out fire, corresponding further Improve the combustion heating efficiency of external ring fire cover and burner.

In the present embodiment, as shown in Figure 1, outer fire hole 12 can be multiple, circumferential direction of multiple outer fire holes 12 along appearance air drain 11 Dispersion arrangement, and multiple outer fire holes 12 are successively arranged alternately with multiple forging slots 2.It here is outer fire hole 12 and forging slot 2 on lid 1 A kind of concrete form of distribution, firstly, multiple outer fire holes 12 being circumferentially arranged along appearance air drain 11 are capable of forming the master of proximate annular Flame rings, to carry out 360 ° omni-directional heating to the bottom of a pan of cookware thereon, thus improve burner cookware is heated it is equal Even property；Secondly, multiple forging slots 2 are successively arranged alternately with multiple outer fire holes 12, multiple forging slots 2 lead to the combustion gas held in air drain 11 It cuts in slot 3, also can be improved the cyclic annular uniformity cut and generate auxiliary flame at slot 3, reduction cuts 3 part of slot and generates auxiliary flame, Can only to the heating of fire hole 12 inside and outside subrange, cause not have at the outer fire hole 12 in part steady flame effect still generate jump fire or The occurrence of tempering, to further increase forging slot 2 and cut the steady flame effect for generating main flame at the external fire hole 12 of slot 3.

In addition, as shown in Figure 1, multiple forging slots 2 are successively arranged alternately with multiple outer fire holes 12, hold combustion gas in air drain 11 into The airflow stability for entering outer fire hole 12 and forging in slot 2 is preferable, also can be improved the stability that main flame is generated at outer fire hole 12.

In the present embodiment, as shown in Fig. 2, cutting the lower section that slot 3 can be located at outer fire hole 12.It here is to cut slot 3 on lid 1 A kind of specific distribution form, when using burner, cutting the auxiliary flame generated in slot 3 can be from the lower section of outer fire hole 12 to it Root range is heated, to improve the temperature of outer fire hole 12 exit combustion gas and air, improves the flameholding of main flame Property；In addition, it is smaller to cut bottom end distance of the slot 3 apart from lid 1 when cutting slot 3 and being located at the lower section of outer fire hole 12, and when forging slot 2 and processing, Hot forged mould from the bottom end of lid 1 inwardly forge and press formation forging slot 2, then correspondingly, forging slot 2 forge and press smaller depth when, both can with cut Slot 3 realizes connection, so that the difficulty of processing of hot forging be effectively reduced on the basis of realizing steady flame effect, is further reduced processing Cost；In addition, forging 2 depth of slot is smaller, and it is also smaller to the strength failure of lid 1, it accordingly can be improved the intensity of lid 1, extend Its service life.

In the present embodiment, as shown in Fig. 2, cutting slot 3 can be consistent with the tilt angle of outer fire hole 12.When processing, outer fire hole Upward main flame is generated at 12, to heat to the cookware above it, it is consistent with the tilt angle of outer fire hole 12 to cut slot 3, On the basis of realizing that steady flame effect is heated in external 12 root of fire hole of auxiliary flame, on the one hand, cut the auxiliary flame generated at slot 3 Also the cookware above it can effectively be heated, to improve the heating efficiency of external ring fire cover；On the other hand, cut slot 3 with Outer 12 tilt angle of fire hole is consistent, cuts and produces at the auxiliary flame direction and outer fire hole 12 of the fuel gas flow and generation that escape at slot 3 The direction of raw main flame is also consistent, thus reduce auxiliary flame combustion air-flow caused by main flame combustion upset, accordingly into One step improves the stability that external ring fire cover generates flame, improves its heating efficiency.

Specifically, outer fire hole 12 can tilt 30 °~45 ° upwards from inside to outside on holding 11 outer wall of air drain, correspondingly, cutting Also 30 °~45 ° of the inclination upwards from inside to outside on the outer wall for holding air drain 11 of slot 3.

In the present embodiment, as depicted in figs. 1 and 2, interior fire hole 13 can be equipped on the inner sidewall of air drain 11 by holding.Use burning When device, annular flame is generated on the lateral wall of lid 1 to the outer ring of cookware positioned at the outer fire hole 12 held on 11 lateral wall of air drain It is heated；Similar, hold the interior fire hole 13 that the combustion gas in air drain 11 passes through on its inner sidewall simultaneously and escape, holds air drain 11 Secondary flame is generated at inner sidewall, to heating in the middle part of its top cookware, the setting of interior fire hole 13 can externally fire hole 12 be produced Raw main flame carries out auxiliary heating, further increases the uniformity that external ring fire cover heats cookware, and reducing cookware is locally caused The occurrence of food life ripe doping.

In the present embodiment, as shown in Figure 1 and Figure 4, fire tank 14 can be equipped on the outer wall of lid 1, fire tank 14 One end is connected to outer fire hole 12, and the other end is connected to interior fire hole 13.Specifically, burner further includes the igniter for igniting, And igniter is set to the ring of described double bond, position of external ring fire cover, external ring fire cover plays a protective role to igniter, to reduce external factor It damages caused by igniter, accordingly prolongs its service life.When needing to cook using burner, hold the combustion gas warp in air drain 11 Outer fire hole 12 and interior fire hole 13 escape outward, control igniter fire, and the secondary flame of generation is lighted in the combustion gas at interior fire hole 13, secondary Flame is flow at outer fire hole 12 through fire tank 14, and the combustion gas escaped at outer fire hole 12 is lighted and generates main flame, to realize outer The main flame at secondary flame and outer fire hole 12 on ring fire cover at interior fire hole 13 is lighted.

In the present embodiment, as shown in Figure 1 and Figure 5, the bottom end inward flange of 11 lateral wall of air drain can also held along its circumferential direction Equipped with cricoid clamping groove 15.It here is a kind of concrete form for installing limit on distributor pedestal to external ring fire cover, accordingly , distributor pedestal is equipped with annular boss corresponding with clamping groove 15, when being coupled, by the clamping groove 15 on external ring fire cover The annular boss being aligned on distributor pedestal, to external ring fire cover is fitted on distributor pedestal, to reduce outer ring fire Cover the displacement of the horizontal direction on distributor pedestal；In addition, the clamping groove 15 on external ring fire cover and the ring-type on distributor pedestal The coordinate contact surface product of boss is greater than area when the two directly fits, so that improving the two forms accommodating chamber junction Leakproofness, it is ensured that the indoor combustion gas of accommodating chamber is escaped through outer fire hole 12 and interior fire hole 13, realizes active combustion；In addition, clamping groove 15 are set on the inward flange for holding 11 lateral wall bottom end of air drain, identical as the forging setting position of slot 2, so as to be further reduced heat The depth of forging processing forging slot 2 can be realized forging slot 2 and cut the connection of slot 3, accordingly further decrease the difficulty of hot-forging forming forging slot 2 Degree, reduces the processing cost of external ring fire cover.

In the present embodiment, as shown in Figure 1 and Figure 5, locating slot 16 can also be equipped in the bottom end for holding 11 inner sidewall of air drain.Phase It answers, distributor pedestal is equipped with positioning convex platform corresponding with locating slot 16, when external ring fire cover and distributor base engagement are installed, Clamping groove 15 and annular boss are defined the horizontal direction of external ring fire cover, the locating slot 16 and distributor pedestal of external ring fire cover On positioning convex platform cooperation, external ring fire cover is circumferentially rotated and is limited, clamping groove 15 and locating slot 16 are jointly to external ring fire cover It is limited, is further reduced that external ring fire cover deflects on distributor pedestal or positional shift leads to gas leakage situation Occur.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution The range of technical solution.

Claims (10)

1. a kind of external ring fire cover, which is characterized in that including lid (1), be circumferentially with what Open Side Down along it on the lid (1) Hold air drain (11), the lateral wall for holding air drain (11) is equipped with outer fire hole (12)；Described appearance air drain (11) lateral wall bottom end Inward flange has forging slot (2) through being hot-forged forging and forming, and the inner opposite end of forging slot (2) is connected to the appearance air drain (11), institute It states to be equipped with from the outside to the core on the lateral wall for holding air drain (11) and cut slot (3), the inner opposite end for cutting slot (3) and the forging slot (2) Connection.

2. external ring fire cover according to claim 1, which is characterized in that the forging slot (2) is multiple, multiple forging slots (2) along the circumferential uniformly arrangement for holding air drain (11), and multiple forging slots (2) are through being hot-forged a forging and forming；It is described to cut Slot (3) is ring-type, and holds the circumferential consistent of air drain (11) lateral wall with described, and multiple forging slots (2) cut slot (3) with described Inner opposite end connection.

3. external ring fire cover according to claim 2, which is characterized in that the outer fire hole (12) be it is multiple, it is multiple described outer Fire hole (12) is arranged along the circumferential dispersion for holding air drain (11), and multiple outer fire holes (12) and multiple forging slots (2) Successively it is arranged alternately.

4. external ring fire cover according to any one of claim 1-3, which is characterized in that described cut slot (3) are located at outside described The lower section of fire hole (12).

5. external ring fire cover according to any one of claim 1-3, which is characterized in that described to cut slot (3) and the outer fire The tilt angle in hole (12) is consistent.

6. external ring fire cover according to any one of claim 1-3, which is characterized in that the inside for holding air drain (11) Wall is equipped with interior fire hole (13).

7. external ring fire cover according to claim 6, which is characterized in that the outer wall of the lid (1) is equipped with fire tank (14), one end of the fire tank (14) is connected to the outer fire hole (12), and the other end is connected to the interior fire hole (13).

8. external ring fire cover according to any one of claim 1-3, which is characterized in that appearance air drain (11) lateral wall Bottom end inward flange be circumferentially with cricoid clamping groove (15) along it.

9. external ring fire cover according to any one of claim 1-3, which is characterized in that appearance air drain (11) inner sidewall Bottom end be equipped with locating slot (16).

10. a kind of burner, which is characterized in that distributor pedestal and external ring fire cover of any of claims 1-9, The external ring fire cover is covered on the outer ring pedestal of the distributor pedestal.