CN202403273U

CN202403273U - Burner fire cap of gas stove

Info

Publication number: CN202403273U
Application number: CN 201120555479
Authority: CN
Inventors: 陈迪龙; 熊斌; 蔡国汉
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2011-12-27
Filing date: 2011-12-27
Publication date: 2012-08-29
Anticipated expiration: 2021-12-27

Abstract

The utility model provides a burner fire cap of a gas stove. The burner fire cap comprises a sheet fire cap body, wherein fire holes with different-size diameters are formed in the fire cap body by being matched with the gas flow velocity of a burner, and the diameter sizes of the fire holes are decreased along with the increase of the gas flow velocity. Compared with the prior art, the burner fire cap of the gas stove, provided by the utility model, has the advantages that: the fire holes with different-size diameters are formed in the fire cap body by being matched with the gas flow velocity of the burner, and therefore, the fire cap has fire-out positions with different fire-out areas; when the burner works, the gas flow velocity can be stabilized, gas is more uniformly discharged, the flame height of the burner can be consistent, the gas is more fully burnt, and phenomena such as fire blow-off, flame floating and the like are effectively prevented; and when the burner fire cap is applied to the burner with different gas sources, according to different fire-out strengths, the fire cap can naturally cause flame to be fit onto the fire hole with the corresponding-size diameter, so that the flame is more stable, the gas sources are more fully burnt, and the discharge of waste gases is reduced in the burning process of the gas sources.

Description

The burner fire lid of gas-cooker

Technical field

The utility model relates to the technical field of gas-cooker, particularly, relates to a kind of burner fire lid of gas-cooker.

Background technology

At present, ring fire lid and external ring fire cover in the fire lid that in the burner of gas-cooker, is provided with is divided into, the fire lid generally is circular, offers the fire hole of a plurality of circles or flute profile along the periphery of fire lid.Because the diameter of fire lid is generally bigger, and the bottom of a pan of Domestic pot is generally all less, therefore cause the integral body of the burner radius that fires excessive, the efficiency of heating surface handle on the low side, Domestic pot that causes producing burner is crossed problems such as boiling hot.

In addition; The fire hole size of existing fire lid and the design of the area that fires are comparatively single, and in the Actual combustion process, because the source of the gas kind that gas-cooker is used is different; The comparatively single fire of the fire hole size and the area design that fires lid is easy to generate from flame, takes off phenomenon such as fire; Influence the effect of burner Actual combustion, also can increase toxic emission, therefore need to do to improve further.

The utility model content

The problem that the utility model will solve is: provide a kind of to the problem of above-mentioned existence and cooperate gas flow rate, guarantee that flame is uniform and stable, improve the burner fire lid of the gas-cooker of the thermal efficiency.

The technical scheme that the utility model adopted is: the burner fire lid that a kind of gas-cooker is provided; The fire lid body that comprises sheet; On fire lid body, cooperate the gas flow rate of burner to be provided with the different fire hole of pore size, the pore size of said fire hole increases along with gas flow rate and reduces.

Preferably; Said fire hole is divided into little porose area, araea porosae mesonoticae and big porose area; And said little porose area, araea porosae mesonoticae and big porose area are laterally evenly distributed in proportion on the direction of Yan Huogai body diameter; Said little porose area, araea porosae mesonoticae and macropore the district ratio of correspondence width on fire lid body diameter respectively are 3: 5: 3; The fire hole of said little porose area, araea porosae mesonoticae and big porose area is the circular hole that diameter is respectively 1.0mm, 1.1mm and 1.2mm, thereby makes little porose area, araea porosae mesonoticae and big porose area be able to cooperate the corresponding combustion zone of gas flow rate in the burner, keeps flame uniform and stable.

Further, be welded with quoit on the excircle of said fire lid body, thereby guarantee the intensity and the size of fire lid body.

In order to improve the rigidity of fire lid body, said fire lid body is the arc spherical shape that raises up, and the diameter of the arc sphere of said fire lid body is 200mm to 250mm; The planar fire lid body of the curve that raises up makes fire cover and also can form the planar flame of curve that raises up, be convenient to cooker is heated; In addition, the planar fire lid of the curve that raises up body has also guaranteed when it is heated, can keep the consistent expansion that makes progress of fire lid body, avoids occurring the problem of the irregular deformation of fire lid body.

Said fire lid body is that thickness is the metal otter board of 0.5mm to 2mm, and processing can be by the mould once-forming, and technology is simple, and is with low cost.

For the placement location of fire lid body in the fuel chamber exit of burner can accurately be put in place; Exit in the fuel chamber of burner is provided with alignment pin; The outside at said quoit is provided with locating slot; Said alignment pin is complementary with locating slot and makes said little porose area, araea porosae mesonoticae and macropore district be positioned at the top, combustion zone of corresponding gas flow rate respectively, thereby plays the effect of location, cooperation fire hole and combustion zone.

Compared with prior art, the burner fire lid of the gas-cooker that the utility model provides is provided with the setting of different apertures fire hole through the gas flow rate of cooperation burner on fire lid body, thereby makes the fire lid have the position that fires of the different areas that fire; When burner operation; Can steady air flow speed, make and give vent to anger more evenly, guarantee that the flame height of burner reaches consistent; Fuel gas buring is more abundant, effectively anti-anti-avulsion fire, from phenomenons such as flames; When being applied in the different burner of source of the gas, according to the different fire intensities that goes out, fiery lid can be naturally be fitted to flame on the fire hole in aperture of corresponding size, makes source of the gas in combustion process, and flame is more stable, and it is more abundant to burn, and reduces exhaust gas discharging.

Description of drawings

Fig. 1 shows the Facad structure sketch map of the burner fire lid of the gas-cooker that provides among the utility model embodiment.

Fig. 2 shows the cutaway view of the burner fire lid of the gas-cooker that provides among the utility model embodiment.

Fig. 3 shows the user mode sketch map of the burner fire lid of the gas-cooker among the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing:

Embodiment: extremely shown in Figure 3 like Fig. 1; The burner fire lid of the gas-cooker in the present embodiment comprises the fire lid body 1 of sheet and is arranged on the fire hole on the fire lid body 1 that fire lid body 1 is shelved on the fuel chamber exit of burner; The lateral wall of fire lid then is that pine fits over fuel chamber exit (promptly leaving the gap between the inwall in the lateral wall of fire lid and fuel chamber exit); Thereby in use, it is stuck that the fire lid is difficult for, and the plug assembling is very easy.

Fire lid body 1 is the metal otter board that is the arc spherical shape that raises up, and thickness is 0.5mm to 2mm, and the diameter of arc sphere is 200mm to 250mm.On the excircle of fire lid body 1, be welded with quoit 5, thereby guarantee the size and the rigidity of fire lid body 1.

The pore size of fire hole is to cooperate the combustion gas D flow velocity of burner to set, and the pore size of fire hole increases along with combustion gas D flow velocity and reduces.In the present embodiment; Fire hole is divided into aperture district 2, araea porosae mesonoticae 3 and big porose area 4; And aperture district 2, araea porosae mesonoticae 3 and big porose area 4 ratio in 3: 5: 3 on the direction of Yan Huogai body 1 diameter is laterally evenly distributed, and promptly to be incident upon the ratio of the width of fire lid body 1 diameter be 3: 5: 3 for aperture district 2, araea porosae mesonoticae 3 and big porose area 4.The fire hole of aperture district 2, araea porosae mesonoticae 3 and big porose area 4 is circular holes that diameter is respectively 1.0mm, 1.1mm and 1.2mm, and the flow velocity of combustion gas D is comparatively fast distinguished A, flow velocity normal area B and flow velocity and distinguished C more slowly in the corresponding respectively burner of aperture district 2, araea porosae mesonoticae 3 and big porose area 4.

For the placement location of fire lid body 1 in the fuel chamber exit can accurately be put in place; Thereby make aperture district 2, araea porosae mesonoticae 3 and big porose area 4 can be positioned at the top, combustion zone of corresponding combustion gas D flow velocity; Be provided with alignment pin 7 in the fuel chamber exit; Be provided with corresponding locating slot 6 in the outside of quoit 5, thereby play the effect of location, cooperation fire hole and combustion zone.

Because combustion gas D has certain difference at the zones of different flow velocity, and go out atmidometer in more little position, fire hole aperture just big more, so through cover the fire hole that different apertures are set on the body 1 at fire; Thereby make the fiery position that fires of covering with the different areas that fire, when burner operation, thus steady air flow speed; Make give vent to anger more even; The flame height that guarantees burner reaches consistent, and combustion gas D burning is more abundant, effectively anti-anti-avulsion fire, from phenomenons such as flames; When being applied in the different burner of source of the gas, according to the different fire intensities that goes out, fiery lid can be naturally be fitted to flame on the fire hole in aperture of corresponding size, makes source of the gas in combustion process, and flame is more stable, and it is more abundant to burn, and reduces exhaust gas discharging.

Claims

1. the burner fire lid of a gas-cooker is characterized in that: comprise the fire lid body of sheet, on fire lid body, cooperate the gas flow rate of burner to be provided with the different fire hole of pore size, the pore size of said fire hole increases along with gas flow rate and reduces.

2. the burner fire lid of gas-cooker according to claim 1, it is characterized in that: said fire hole is divided into little porose area, araea porosae mesonoticae and big porose area, and said little porose area, araea porosae mesonoticae and big porose area are laterally evenly distributed in proportion on the direction of Yan Huogai body diameter.

3. the burner fire lid of gas-cooker according to claim 2 is characterized in that: said little porose area, araea porosae mesonoticae and macropore district corresponding respectively on fire lid body diameter the ratio of width be 3: 5: 3.

4. the burner fire lid of gas-cooker according to claim 3, it is characterized in that: the fire hole of said little porose area, araea porosae mesonoticae and big porose area is the circular hole that diameter is respectively 1.0mm, 1.1mm and 1.2mm.

5. according to the burner fire lid of claim 1 or 2 or 3 or 4 described gas-cookers, it is characterized in that: be welded with quoit on the excircle of said fire lid body.

6. according to the burner fire lid of claim 1 or 2 or 3 or 4 described gas-cookers, it is characterized in that: said fire lid body is the arc spherical shape that raises up.

7. the burner fire lid of gas-cooker according to claim 6 is characterized in that: the diameter of the arc sphere of said fire lid body is 200mm to 250mm.

8. according to the burner fire lid of claim 1 or 2 or 3 or 4 or 7 described gas-cookers, it is characterized in that: said fire lid body is that thickness is the metal otter board of 0.5mm to 2mm.

9. according to the burner fire lid of claim 1 or 2 or 3 or 4 or 7 described gas-cookers; It is characterized in that: the exit in the fuel chamber of burner is provided with alignment pin; The outside at said quoit is provided with locating slot, and said alignment pin is complementary with locating slot and makes said little porose area, araea porosae mesonoticae and macropore district be positioned at the top, combustion zone of corresponding gas flow rate respectively.