Fire lid and the burner that uses this fire to cover
[technical field]
The present invention relates to the gas furnace field, specifically, the burner that it relates to a kind of fire lid and uses this fire lid.
[background technology]
Burner for gas stove burner commonly used at present, as shown in Figure 1, it comprise furnace head base 2 ', outer shroud snorkel 3 ' and interior ring snorkel 4 ', the burner of this structure, its combustion gas be by two snorkels deliver to respectively furnace head base 2 ' in, by furnace head base 2 ' on fire hole and air mixed combustion, though this burner can reach the expection fuel gas buring purpose, but, when burning, because the set-up mode of the fire hole on the burner makes some fouls fall into the hole easily, can pollute on the one hand, cleaning is very inconvenient, and on the other hand, it can make, and burner is inner to be stopped up, combustion gas can't get out, the burning difficulty.
In addition, Chinese patent 200620059571.3 discloses a kind of fire lid of gas burner, it comprises the fire lid that is made of inner fire cover and outer fire cover, wherein, the outer rim of outer fire cover is one cylindrical, outer fire cover is provided with the taper capping of inwardly cutting sth. askew, and is equipped with the fire jetting hole that is elongated strip on the taper capping, and fire jetting hole communicates with the air cavity of outer fire cover.Owing to adopted the outer fire cover that fire jetting hole is set on the taper capping of inwardly cutting sth. askew, when burning, can form and form wall with flues with the fire jetting hole of respectively cutting sth. askew, the flame of inner fire cover is enclosed in wherein, guaranteed the efficient of burning, and fire jetting hole is set to elongated strip, can make the more uniform heated object bottom surface that is distributed in of flame of ejection, prolong the service life of heated object to a certain extent.But this fire lid is existing problems still, and promptly its strip fire hole is out that on fiery cap surface, foul falls into the hole easily, pollutes.
[summary of the invention]
The object of the present invention is to provide a kind of fire lid that overcomes the prior art deficiency, it can avoid foul to fall into fire hole resulting in blockage, and is easy to clean.
For achieving the above object, technical scheme of the present invention is:
A kind of fire lid that is used for burner, it is provided with one group of bar shaped fire hole, wherein, the lid of fire lid is provided with the upright strip projection of a component on its circumference, this strip projection and bar shaped fire hole are radial setting along fiery cap body radial direction, the bar shaped fire hole is obliquely installed (that is: the axis of bar shaped fire hole and fiery cap body upper surface are an angle of inclination), and the below of strip projection upper surface is located in its outlet.
This set, being equivalent to has shelter the same in the outside vertical direction of fire lid, and the bar shaped fire hole can not exposed in vertical direction, can prevent that foul from vertically falling the obstruction fire hole.
Above-mentioned strip projection, its upper surface is configured as concave surface, like this, when oil spills, just can not flow directly to like that in the furnace head base by image plane, is inconvenient to clean.
The axis of each bar shaped fire hole is that direction is consistent with angle of inclination between the fiery cap body upper surface.Like this, when burning, fire covers and can form a pyrosphere, can increase efficiency of combustion.
The axis of so-called bar shaped fire hole is meant the line of central point of the cross section of this bar shaped fire hole.The cross section of this bar shaped fire hole is a rectangle, and its central point is its intersection of diagonal, and its axis is the line of its intersection of diagonal.
Bar shaped fire hole, its outlet can be located on the upper surface of fiery cap body, its axis and fiery cap body upper surface angle of inclination be 50 spend to 80 the degree between; In addition, above-mentioned fire lid also can further comprise a directed piece, and it can make the angle of bar shaped fire hole below fiery cap body be provided with arbitrarily, make the bar shaped fire hole at the angle of inclination of the fire side of covering with fiery cap body upper surface angle be 50 spend spend to 80 between.
Above-mentioned fiery cap body upper surface is configured as the inside conical surface, the angle of the conical surface and horizontal plane be 20 spend to 35 the degree between.By conical surface design, can make each fire also in the hole angle of flame slope inwardly, forms inside pyrosphere, make that firepower is concentrated, the thermal efficiency is high, in addition, be convenient to fall lip-deep liquid and flow away.
The present invention also provides a kind of burner, and it comprises nozzle, air regulating board, induction tunnel, furnace head base, and nozzle is connected with induction tunnel, air regulating board is located in the induction tunnel and the connector place of nozzle, induction tunnel is connected with furnace head base, and fire is covered on the furnace head base, and it comprises as above-mentioned fire lid.
Above-mentioned fire lid comprises inner fire cover and the outer fire cover that is positioned at outside the inner fire cover periphery, and the direction of rotation of the bar shaped fire hole of inner fire cover and outer fire cover is opposite.
In addition, in order to prevent to splash the inside and outside ring-shaped cavity that oil that fire covers flows into furnace head base, it can be provided with decorative cover below inner fire cover and outer fire cover, utilize decorative cover interior outer fire cover to be set on the inside and outside ring-shaped cavity of furnace head base respectively.Like this, the oil that covers when fire is when dirty, and it can flow directly to the below, avoids flowing in the furnace head base.
The connected mode of induction tunnel and furnace head base, be the fixedly connected mode that adopts sleeve to peg graft, screw or alternate manner that both need not be any directly are connected and fixed, for example, induction tunnel is plugged in the sleeve of furnace head base below, the interior inside and outside ring-shaped cavity of this sleeve and furnace head base all communicates.Because all communicate with inside and outside ring-shaped cavity, therefore, only need just can finish function to two cavity air feed by an induction tunnel, same, supporting nozzle, air regulating board also only need a cover.
Induction tunnel is to be plugged in the sleeve, plugs the location for making things convenient for induction tunnel, avoids plugging displacement, promptly avoids plugging too by the lining, can on induction tunnel, establish a retaining wall, make induction tunnel when plugging, to certain position, this retaining wall is just kept off in its outside by sleeve, makes the induction tunnel location, can not insert inward again.
After adopting such scheme, during use, because the outlet of bar shaped fire hole is the below of being located at strip projection upper surface, it can make the bar shaped fire hole block in the outside vertical mode of fire lid does not have exposure, so, by the top foul that vertically falls, can not fall into fire hole, avoided the blocked thing of bar shaped fire hole to take place; In addition, strip projection upper surface is set as concave surface, and the oil that also can avoid splashing the top flows in the furnace head base, moreover, because sleeve all communicates with inside and outside ring-shaped cavity, promptly connect by a sleeve between two cavitys, gas is transported to outer shroud cavity and interior ring cavity body respectively by this sleeve; Space between outer shroud cavity and the interior ring cavity body is all emptied except the sleeve coupling part, between negotiable air, therefore, only need by an induction tunnel, just can finish the function to two cavity air feed, same, supporting nozzle, air regulating board also only need a cover, simple in structure, cost is low; Moreover induction tunnel is to be fixedly linked by mode and the furnace head base of pegging graft, without any need for screw, cooperate simply, be convenient for changing.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, but, though the present invention describes by embodiment, those of ordinary skill in the art knows, do not breaking away under the spiritual prerequisite of the present invention, the present invention still has many improvement, distortion and variation, thereby can not limit scope of the present invention with these concrete embodiments.
[description of drawings]
Fig. 1 is the structural representation of existing gas burner;
Fig. 2 is the structural representation of the present invention's fire lid embodiment one;
Fig. 3 is the fire hole cutaway view Amplified image of the present invention's fire lid;
Fig. 4 is the structural representation of the embodiment of the invention two;
Fig. 5 is the cutaway view Amplified image of the embodiment of the invention three fire holes;
Fig. 6 is the cutaway view of this bright burner;
Fig. 7 is the cutaway view of inner fire cover of the present invention;
Fig. 8 is the cutaway view of outer fire cover of the present invention;
Fig. 9 is the structural representation of burner embodiment two of the present invention.
The specific embodiment
Shown in figure 2,3, it is used for the embodiment one of the fire lid of burner for the present invention is a kind of, it discloses a kind of fire lid 1, be provided with bar shaped fire hole 11 above, comprise fiery cap body 12 and be located at discrete strip projection 13 on fiery cap body 12 circumference, above-mentioned strip projection 13 and bar shaped fire hole 11 are radial setting along fiery cap body 12 radial directions, and bar shaped fire hole 11 is obliquely installed, and the below of strip projection 13 upper surfaces is located in its outlet 111.
Above-mentioned bar shaped fire hole 11, it rotates arrangement on fiery cap body 12, and the direction of rotation unanimity of bar shaped fire hole 11, like this, when burning, will cover on 1 at fire and can form a pyrosphere, can increase efficiency of combustion.
Bar shaped fire hole 11, its outlet 111 is located on the upper surface of fiery cap body 12, and its angle of inclination and fiery cap body 12 upper surface angles are 60 degree;
Fire lid 1 also can further comprise a directed piece 14, and it can make the angle of bar shaped fire hole 11 below fiery cap body 12 be provided with arbitrarily, and making angle of inclination and the fiery cap body 12 upper surface angles of bar shaped fire hole 12 above fiery cap body 12 is 60 degree.
This set, the vertical direction that is equivalent to cover at fire 1 outside has shelter the same, and bar shaped fire hole 11 can not exposed in vertical direction, can prevent from that foul from vertically falling to stop up bar shaped fire hole 11.
With reference to shown in Figure 4, it is used for the structural representation of embodiment two of the fire lid of burner for the present invention, and it is except having all features of embodiment one, and it also comprises following feature:
Above-mentioned strip projection 13, its upper surface is configured as concave surface 131; Like this, when oil spills, just can not flow directly to like that in the furnace head base by image plane, be inconvenient to clean.
Cooperate shown in Figure 5ly, it is used for the structural representation of embodiment three of the fire lid of burner for the present invention, and its difference with embodiment two is: the angle of the angle of inclination of its bar shaped fire hole 11 and fiery cap body 12 upper surfaces is 70 to spend.
With reference to shown in Figure 6, it discloses a kind of burner, its fire lid 1, furnace head base 2, nozzle 3, air regulating board 4 and induction tunnel 5, wherein:
Above-mentioned fire lid 1 comprises inner fire cover A1 and outer fire cover B1; Wherein:
Cooperate shown in Figure 7, inner fire cover A1 is provided with bar shaped fire hole A11, it comprises fiery cap body A12 and is located at discrete strip projection A13 on the fiery cap body A12 circumference, above-mentioned strip projection A13 and bar shaped fire hole A11 are radial setting along fiery cap body A12 radial direction, bar shaped fire hole A11 is obliquely installed, and its outlet A111 is located at the below of strip projection A13 upper surface.
Above-mentioned bar shaped fire hole A11, it rotates arrangement on fiery cap body A12, and the direction unanimity of its rotation, like this, when burning, will can form a pyrosphere on inner fire cover A1, can increase efficiency of combustion.
Inner fire cover A1 also can further comprise a directed piece A14, and it can make the angle of bar shaped fire hole A11 below fiery cap body A12 be provided with arbitrarily, and making angle of inclination and the fiery cap body A12 upper surface angle of bar shaped fire hole A12 above fiery cap body A12 is 60 degree.
Inner fire cover A1 below is provided with decorative cover A15, utilizes decorative cover A15 that inner fire cover A1 is set on the interior ring-shaped cavity 21 of furnace head base 2.Like this, the oil on inner fire cover A1 is when dirty, and it can flow directly to the below, avoids flowing in the furnace head base 2.
Cooperate shown in Figure 8, outer fire cover B1, which is provided with bar shaped fire hole B 11, it comprises fiery cap body B12 and is located at discrete strip projection B13 on the fiery cap body B12 circumference, above-mentioned strip projection B13 and bar shaped fire hole B11 are radial setting along fiery cap body B12 radial direction, bar shaped fire hole B11 is obliquely installed, and its outlet B111 is located at the below of strip projection B13 upper surface.
Above-mentioned bar shaped fire hole B11, it rotates arrangement on fiery cap body B12, and the direction unanimity of its rotation, like this, when burning, will cover on the B1 at fire and can form a pyrosphere, can increase efficiency of combustion.
Outer fire cover B1 also can further comprise a directed piece B14, and it can make the angle of bar shaped fire hole B11 below fiery cap body B12 be provided with arbitrarily, and making angle of inclination and the fiery cap body B 12 upper surface angles of bar shaped fire hole B12 above fiery cap body B12 is 60 degree.
Outer fire cover B1 below is provided with decorative cover B15, utilizes decorative cover B15 that outer fire cover B1 is set on the outer ring-like cavity 22 of furnace head base 2.Like this, the oil on outer fire cover B1 is when dirty, and it can flow directly to the below, avoids flowing in the furnace head base 2.
In addition, the direction of rotation of the bar shaped fire hole B11 of the bar shaped fire hole A11 of inner fire cover A1 and outer fire cover B1 is opposite.
Cooperate shown in Figure 6, ring cavity body 21 and 22 two cavitys of outer shroud cavity in furnace head base 2 is divided into, the below of furnace head base 2 is provided with the sleeve 23 that communicates with ring- shaped cavity 21,22 in the furnace head base 2, sleeve 23 communicates with inside and outside ring-shaped cavity simultaneously.
Nozzle 3 is connected with induction tunnel 5, and air regulating board 4 is located in the induction tunnel 5 and the connector place of nozzle 3, and induction tunnel 5 is plugged in this sleeve 23.
Induction tunnel 5 is provided with retaining wall 51, and when induction tunnel 5 was plugged in the sleeve 23, these retaining wall 51 retainings were outside sleeve 23.
During use, because sleeve 23 all communicates with inside and outside ring- shaped cavity 21,22, promptly connected by a sleeve 23 between two cavitys, gas is transported to outer shroud cavity 22 and interior ring cavity body 21 respectively by this sleeve 23; Space between outer shroud cavity 22 and the interior ring cavity body 21 is all emptied except the sleeve coupling part, between negotiable air, therefore, only need by an induction tunnel 5, just can finish the function to two cavity air feed, same, supporting nozzle 3, air regulating board 4 also only need a cover, simple in structure, cost is low; In addition, induction tunnel 5 is to be fixedly linked by mode and the furnace head base 2 of pegging graft, without any need for screw, cooperate simply, be convenient for changing.
Cooperate shown in Figure 9ly, it is compared with embodiment one for the structural representation of the embodiment two of burner of the present invention, and its difference is as follows:
The fiery cap body B12 upper surface of outer fire cover B1 is configured as the inside conical surface, and the angle of the conical surface and horizontal plane is between 30 degree.By conical surface design, can make each fire also in the hole angle of flame slope inwardly, forms inside pyrosphere, make that firepower is concentrated, the thermal efficiency is high, in addition, be convenient to fall lip-deep liquid and flow away.