CN109000240A - Burner and gas cooker - Google Patents

Abstract

The invention discloses a kind of burner and gas cookers.Burner includes nozzle carrier and bottom cup.Nozzle carrier includes the first location structure.Nozzle carrier offers channel, and the outlet side in channel is for installing nozzle.The injection channel with Venturi effect is provided in the cup of bottom.Bottom cup is provided with primary air cavity, and primary air cavity offers primary air chamber.Primary air chamber communicating passage and injection channel.The side wall convex of primary air cavity is equipped with the second location structure.First location structure connects from the second location structure and limits position of the nozzle carrier on the cup of bottom jointly so that nozzle and injection channel are coaxial from least two different directions.In burner of the invention, first location structure connects from the second location structure and limits position of the nozzle carrier on the cup of bottom jointly from least two different directions, so that nozzle and injection channel are coaxial, gas injection is injected into injection channel conducive to nozzle, ensure that the air velocity of the air inlet in injection channel.

Description

Burner and gas cooker

Technical field

The present invention relates to cooking apparatus technical field more particularly to a kind of burner and gas cookers.

Background technique

In the related technology, burner uses Venturi tube injection air and the gaseous mixture of combustion gas to the combustion gas mixing of flame projector Chamber is for burning.However, in existing burner, it is difficult to guarantee that nozzle and Venturi tube are coaxially disposed, will affect nozzle in this way Gas injection is injected into Venturi tube.

Summary of the invention

The present invention provides a kind of burner and gas cooker.

The burner of embodiment of the present invention, comprising:

Nozzle carrier, the nozzle carrier include the first location structure, and the nozzle carrier offers channel, the outlet in the channel End is for installing nozzle；

Bottom cup is provided with the injection channel with Venturi effect in the cup of the bottom, and the bottom cup is provided with primary air Cavity, the primary air cavity offer primary air chamber, and the primary air chamber is connected to the channel and the injection is logical Road, the side wall convex of the primary air cavity are equipped with the second location structure, and first location structure is fixed with described second Bit architecture connection simultaneously limits position of the nozzle carrier on the bottom cup so that described from least two different directions jointly Nozzle and the injection channel are coaxial.

In said burner, the first location structure of nozzle carrier connect with the second location structure of primary air cavity and from At least two different directions limit position of the nozzle carrier on the cup of bottom jointly and are conducive to spray so that nozzle and injection channel are coaxial Gas injection is injected injection channel by mouth, ensure that the air velocity of the air inlet in injection channel.

In some embodiments, at least two direction includes orthogonal both direction.

In some embodiments, the nozzle carrier includes intake section and mounting plate, and the intake section opens up the channel, The mounting plate is arranged on the intake section, and the intake section is formed with the first positioning surface, and the bottom surface of the mounting plate is formed There is the second positioning surface, first positioning surface and second positioning surface constitute first location structure, second positioning Structure includes the first support plate and the second support plate, and the side of first support plate and described first position face bonding, described The top surface of second support plate and the second positioning face bonding.

In some embodiments, the quantity of the mounting plate is two, and described two mounting plates are separately positioned on described The opposite two sides of intake section, the quantity of second support plate are two, described the connection of first support plate described two second Fagging.

In some embodiments, the mounting plate offers mounting groove, and second support plate offers and the peace The mounting hole of the corresponding connection of tankage, the mounting groove and the mounting hole are used for the nozzle carrier and bottom cup for fixing piece It is fixed to use.

In some embodiments, the channel includes first passage and second channel, and the first passage is along the spray The airintake direction of mouth seat have the first air inlet central axis, the second channel along the nozzle carrier airintake direction have second into Gas central axis, the first air inlet central axis and the second air inlet central axis are staggered on the thickness direction of the burner and set It sets.

In some embodiments, the first passage than the second channel closer to the inlet end of the intake section, The cross sectional dimensions of the first passage is greater than the cross sectional dimensions of the second channel.

In some embodiments, the nozzle carrier is removably installed in the side wall of the primary air cavity, described The side wall of primary air chamber offers the cavity through-hole for being connected to the primary air chamber, and the nozzle carrier is located at the cavity through-hole Place and it is configured to block or open the cavity through-hole.

In some embodiments, the nozzle carrier includes the baffle of intake section and projection on the intake section, described Intake section offers the channel, and the height of the baffle is adjustable so that the baffle blocks or opens the cavity and leads to Hole.

In some embodiments, when the baffle blocks the cavity through-hole, it is logical that the baffle fills the cavity Hole.

The gas cooker of embodiment of the present invention includes burner described in any of the above-described embodiment.

In above-mentioned gas cooker, the first location structure of nozzle carrier is connect simultaneously with the second location structure of primary air cavity Position of the nozzle carrier on the cup of bottom is limited jointly from least two different directions to be conducive to so that nozzle and injection channel are coaxial Gas injection is injected injection channel by nozzle, ensure that the air velocity of the air inlet in injection channel.

The additional aspect and advantage of the embodiment of the present invention will be set forth in part in the description, and will partially retouch from following Become obvious in stating, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 is the stereoscopic schematic diagram of the burner of embodiment of the present invention；

Fig. 2 is the bottom view of the burner of embodiment of the present invention；

Fig. 3 is the front view of the burner of embodiment of the present invention；

Fig. 4 is the side view of the burner of embodiment of the present invention；

Fig. 5 is the top view of the burner of embodiment of the present invention；

Fig. 6 is the perspective exploded view of the burner of embodiment of the present invention；

Fig. 7 is the diagrammatic cross-section of the burner of embodiment of the present invention；

Fig. 8 is another diagrammatic cross-section of the burner of embodiment of the present invention；

Fig. 9 is the another diagrammatic cross-section of the burner of embodiment of the present invention；

Figure 10 is that the burner of embodiment of the present invention removes the top view of fire cover；

Figure 11 is the stereoscopic schematic diagram of the bottom cup and nozzle carrier of the burner of embodiment of the present invention；

Figure 12 is the decomposition diagram of the bottom cup and nozzle carrier of the burner of embodiment of the present invention；

Figure 13 is another decomposition diagram of the bottom cup and nozzle carrier of the burner of embodiment of the present invention；

Figure 14 is the stereoscopic schematic diagram of bottom the cup holder body and nozzle carrier of the burner of embodiment of the present invention；

Figure 15 is the bottom cup holder body of the burner of embodiment of the present invention and another stereoscopic schematic diagram of nozzle carrier；

Figure 16 is the stereoscopic schematic diagram of the bottom cup lid body of the burner of embodiment of the present invention；

Figure 17 is another stereoscopic schematic diagram of the bottom cup lid body of the burner of embodiment of the present invention；

Figure 18 is the another stereoscopic schematic diagram of the bottom cup lid body of the burner of embodiment of the present invention；

Figure 19 is the stereoscopic schematic diagram of the bottom cup holder body of the burner of embodiment of the present invention；

Figure 20 is another stereoscopic schematic diagram of the bottom cup holder body of the burner of embodiment of the present invention；

Figure 21 is the another stereoscopic schematic diagram of the bottom cup holder body of the burner of embodiment of the present invention；

Figure 22 is the stereoscopic schematic diagram of the nozzle carrier of the burner of embodiment of the present invention；

Figure 23 is the another stereoscopic schematic diagram of the nozzle carrier of the burner of embodiment of the present invention；

Figure 24 is the stereoscopic schematic diagram of the flame projector of the burner of embodiment of the present invention；

Figure 25 is the enlarged diagram of the part flame projector I of the burner of Figure 24；

Figure 26 is another stereoscopic schematic diagram of the flame projector of the burner of embodiment of the present invention.

Main element symbol description:

Burner 100；

Bottom cup 10, injection channel 101, interface channel 102, the first interface channel 1021, the first sub- interface channel 10211, The sub- interface channel 10221 of second sub- interface channel 10212, the second interface channel 1022, third, the 4th sub- interface channel 10222, First mounting hole 103, bottom cup lid body 11, the first joint surface 110, first passage joint surface 1101, first connect joint surface 1102, Second location hole 1103, roof 111, top surface 1110, the first mounting wall 112, first passage portion 113, the first groove 1131, outlet Mouthfuls 114, outer ring gas outlet 1141, inner ring gas outlet 1142, the first outer ring gas outlet 1143, the second outer ring gas outlet 1144, the One inner ring gas outlet 1145, the second inner ring gas outlet 1146, the first secondary-air passage 115, the first location structure 1151, lid Link slot 116, bottom cup holder body 12, fixation hole 1201, bottom wall 121, the second joint surface 1210, second connection joint surface 12101, the Two channels joint surface 12102, third connect joint surface 12103, bottom wall link slot 1211, the second mounting wall 122, second channel portion 123, the second groove 1231, the first mounting groove 124, primary air cavity 13, primary air chamber 131, cavity through-hole 132, annular Part 133, opening 1331, first positioning hole 1332, cavity body 134, positioning column 1341, the support of the second location structure 135, first Plate 1351, the second support plate 1352, the second mounting hole 1353；

Nozzle carrier 20, intake section 21, the first positioning surface 210, first passage 211, second channel 212, the first air inlet pipe 213, the second air inlet pipe 214, baffle 22, third location structure 23, mounting plate 24, the second positioning surface 241, the second mounting groove 242；

Flame projector 30, side wall 301, fiery slot 302, pressure-releasing chamber 303, pressure relief opening 3031, combustion gas mixing chamber 31, outer combustion gas mixing Chamber 311, interior combustion gas mixing chamber 312, fire hole 32, outer ring fire hole 321, inner ring fire hole 322, outer ring cavity 33, inner ring cavity 34, Two secondary-air passages 341, the 4th location structure 342, locating slot 343, locating piece 344, first connecting portion 35, flame projector connection Channel 351, second connecting portion 36, guide face 37, baffle 38, joint 381, mixed-gas channel 39；

Fire cover 40, external ring fire cover 41, interior ring fire cover 42, interior ring fire cover through-hole 421.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic. " first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.? In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In the description of the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower" may include that the first and second features directly contact, also may include the first and second features be not direct contact but Pass through the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " Fisrt feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First Feature is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Only indicate that first feature horizontal height is less than second feature.

Following disclosure provides many different embodiments or example is used to realize different structure of the invention.For letter Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter, this Kind repetition is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting. In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art will be appreciated that To the application of other techniques and/or the use of other materials.

It should be pointed out that " first " of the invention, " second " ... wait the number of institute's band before elements or component, it is by extraction The sequence of these elements and number, it is intended to these elements and other elements are nominally being made into additional symbols, it is thereby possible to can go out Existing claims draw the sequence for the element that the sequence and specification of some element, especially specific embodiment are drawn not Together.In this case, it for convenience of understanding, can be specifically noted in specific embodiment.

Fig. 1-Figure 26 is please referred to, the burner 100 of embodiment of the present invention includes bottom cup 10, nozzle carrier 20, flame projector 30 With fire cover 40.The setting of flame projector 30 is on bottom cup 10.Bottom cup 10 is provided with primary air cavity 13, and nozzle carrier 20 is installed on once The side of air cavity 13.Burner 100 can be applied to the gas cooker of embodiment of the present invention.

Fig. 1-Figure 11 is please referred to, bottom cup 10 includes bottom cup lid body 11 and bottom cup holder body 12.Bottom cup lid body 11 is installed on bottom cup Pedestal 12, such as bottom cup lid body 11 and bottom cup holder body 12 are riveting.In order to increase primary air cavity 13, primary air cavity 13 Projection is in the side of at least one of bottom cup lid body 11 and bottom cup holder body 12.

Incorporated by reference to Fig. 6-Figure 12, the injection channel 101 with venturi (Venturi) effect is offered in bottom cup 10.Bottom Interface channel 102 (as shown in Figure 7) is offered in cup 10.Interface channel 102 has the function of guiding to combustion gas.Interface channel 102 include the first interface channel 1021 and the second interface channel 1022 (as shown in figure 12).The connection of first interface channel 1021 is drawn Penetrate channel 101 and the second interface channel 1022.The arc-shaped bottom surface of first interface channel 1021, the first interface channel 1021 and injection The outlet side cambered surface in channel 101 connects, and can reduce the resistance that air-flow flows in the first interface channel 1021 in this way.In order to guarantee By the flow velocity for the air-flow that interface channel 102 flows out, the first interface channel 1021 can be made along air current flow direction in tapered variation.Separately Outside, the first mounting hole 103 (as shown in figure 11) through bottom cup 10 can be opened up along the thickness direction of bottom cup 10.First mounting hole 103 can be used for installing thermocouple (not shown go out) and ignition electrode (not shown out).It is opened up in the bottom cup 10 of embodiment of the present invention There is single injection channel 101.In the example in figure 7, injection channel 101 is essentially horizontally to arrange.

Incorporated by reference to Fig. 5 and Fig. 7, at least one of bottom cup lid body 11 and bottom cup holder body 12 have the first center x (in Fig. 7 Dotted line m1 be the first center x where central axes).Primary air cavity 13 has the second center y, and (the dotted line m2 in Fig. 7 is Central axes where second center y).First center x and the second center y eccentric setting.

Specifically, in the example of hgure 5, the flat shape of bottom cup lid body 11 and bottom cup holder body 12 is in regular shape, primary empty The flat shape of air cavity 13 is in regular shape.For example, the flat shape of bottom cup lid body 11 and bottom cup holder body 12 is rounded, first Center x is the center of circle of the circle where the plane of bottom cup 10, and the flat shape of primary air cavity 13 is arc-shaped, the second center y For the center of circle of the circle where the plane of primary air cavity 13.

It is appreciated that in other embodiments, the flat shape of bottom cup 10 is square, the first center x is bottom cup 10 Rectangular cornerwise intersection point where plane, the flat shape of primary air cavity 13 are arc-shaped, and the second center y is primary The center of circle of circle where the plane of air cavity 13.In this way, being on the one hand capable of increasing primary air cavity 13, guarantee primary air Air inflow；On the other hand, it is also beneficial to increase injection channel 101, combustion gas and air is filled in injection channel 101 Divide mixing, and then is conducive to improve the efficiency of combustion of burner 100.Certainly, in other embodiment, bottom cup lid body 11, Bottom cup holder body 12 and primary air cavity 13 can also be in other shapes.

Incorporated by reference to Figure 16-Figure 19, bottom cup lid body 11 includes roof 111, the first mounting wall 112 and first passage portion 113.Bottom Cup lid body 11 is formed with the first joint surface 110.Bottom cup lid body 11 offers lid link slot 116.Lid link slot 116 is located at the Between one channel part 113 and the first mounting wall 112.

Roof 111 offers gas outlet 114.Injection channel 101 is connected to gas outlet 114 by interface channel 102.In this way by The gaseous mixture of combustion gas and air that 101 injection of injection channel goes out can be supplied to flame projector 30 by gas outlet 114 for burning.

In order to make burner 100 be capable of forming polycyclic flame, gas outlet 114 includes outer ring gas outlet 1141 and inner ring outlet Mouth 1142.The outlet side and outer ring gas outlet 1141 in the first interface channel 1021 connection injection channel 101.Go out to increase outer ring Arc-shaped shape is arranged in the outlet area of port 1141 and the uniformity for guaranteeing outlet, outer ring gas outlet 1141, such as arc-shaped, outside The center of circle where ring gas outlet 1141 is Chong Die with the second center y of primary air cavity 13.In addition, outer ring gas outlet 1141 It is protruded respectively by the top surface 1110 of roof 111 with inner ring gas outlet 1142.

Incorporated by reference to Figure 16, in order to keep the outlet of outer ring gas outlet 1141 more uniform, outer ring gas outlet 1141 includes interval The the first outer ring gas outlet 1143 and the second outer ring gas outlet 1144 being arranged.First interface channel 1021 includes that the first son connection is logical Road 10211 and the second sub- interface channel 10212.First sub- interface channel 10211 and the second sub- interface channel 10212 are separately connected In the outlet side two sides in injection channel 101.First sub- interface channel 10211 is connected to the first outer ring gas outlet 1143 and injection channel 101.Second sub- interface channel 10212 is connected to the second outer ring gas outlet 1144 and injection channel 101.Wherein, the first son connection is logical Road 10211 and the second sub- interface channel 10212 can be arc-shaped, and can connect the first sub- interface channel 10211 and the second son Connection road 10212 is arranged to symmetrical about the central axis in the injection channel 101 of bottom cup 10.In order to reduce the resistance of air-flow flowing Power can be such that the first sub- interface channel 10211 connect with the outlet side cambered surface in injection channel 101, and make the second sub- interface channel 10212 connect with the outlet side cambered surface in injection channel 101.

Incorporated by reference to Figure 16, in order to keep the outlet of inner ring gas outlet 1142 more uniform, inner ring gas outlet 1142 includes interval The the first inner ring gas outlet 1145 and the second inner ring gas outlet 1146 being arranged.Second interface channel 1022 includes that the connection of third is logical Road 10221 and the 4th sub- interface channel 10222.The sub- interface channel 10221 of third is connected to the first sub- interface channel 10211 and first Inner ring gas outlet 1145.4th sub- interface channel 10222 is connected to the second sub- interface channel 10212 and the second inner ring gas outlet 1146.The surface portion of roof 111 between the first inner ring gas outlet 1145 and the second inner ring gas outlet 1146 is formed with First secondary-air passage 115 (as shown in Figure 6).At this moment, the sub- interface channel 10221 of third is connected to the first sub- interface channel 10211 channels constituted are connected to the channel that the second sub- interface channel 10212 is constituted with the 4th sub- interface channel 10222 and do not connect It is logical, and it is located at the two sides of the first secondary-air passage 115.Auxiliary air air inlet area, outside air energy are increased in this way Enough well into the first secondary-air passage 115, then guarantee secondary air ability.

The surface portion (present embodiment is upper surface position) of roof 111 is formed with positioned at the first secondary-air passage 115 the first location structure 1151.First mounting wall, 112 projection is in roof 111.113 projection of first passage portion is in roof 111. First mounting wall 112 surrounds first passage portion 113.

Incorporated by reference to Figure 17, first passage portion 113 offers the first groove 1131.First passage portion 113 is formed with positioned at The first passage joint surface 1101 of one groove, 1131 two sides.First passage portion 113 is formed with the first connection joint surface 1102.First It is coplanar that channel engagement face 1101, first connects joint surface 1102 and the end face of the first mounting wall 112.First joint surface 110 includes The end face on first passage joint surface 1101, first connection joint surface 1102 and the first mounting wall 112.

Incorporated by reference to Figure 13-Figure 15 and Figure 19-Figure 21, bottom cup holder body 12 includes bottom wall 121, the second mounting wall 122 and second Channel part 123.Second mounting wall, 122 projection is in bottom wall 121.Roof 111 and bottom wall 121 are opposite.Bottom wall 121 and the first joint surface 110 is opposite.

Specifically, the first mounting groove 124 has been collectively formed in bottom wall 121 and the second mounting wall 122.First mounting wall 112 to Partially be embedded in the first mounting groove 124 and with the second mounting wall 122 at least partly it is Chong Die engagement, i.e., bottom cup lid body 11 install In bottom cup holder body 12 and it is positioned partially in the first mounting groove 124.

In embodiments of the present invention, the first mounting wall 112 and the second mounting wall 122 are along 100 interior of burner Direction (horizontal direction of such as Fig. 7) overlapping engagement.In this way, since the temperature of bottom cup 10 rises and making when burner 100 works It obtains the first mounting wall 112 and the second mounting wall 122 engages even closer, and then can guarantee that bottom cup 10 has preferable leakproofness Can, so that the sealing performance that bottom cup lid body 11 is installed on bottom cup holder body 12 is preferable.Bottom cup 10 is not easy gas leakage.It not will cause in this way The amount of the gaseous mixture of the air and combustion gas of flame projector 30 is insufficient, then influences the normal work of burner 100.In an example In, bottom cup 10 can be used cast aluminium and be made.In embodiments of the present invention, the first mounting wall 112 compared with the second mounting wall 122 closer to First center x of bottom cup 10.

Bottom wall 121 offers bottom wall link slot 1211.Connection is collectively formed in lid link slot 116 and bottom wall link slot 1211 Channel 102.Interface channel 102 is connected to injection channel 101 and gas outlet 114.Interface channel 102 and injection channel 101 can be common Constitute bottom 10 combustion gas of cup and the mixed-gas channel 39 of air.The top surface of bottom wall 121 is formed with the second joint surface 1210.Second Mounting wall 122 surrounds the second joint surface 1210.First joint surface 110 and the engagement of the second joint surface 1210.First joint surface, 110 He At least one of second joint surface 1210 is using finishing processing process mistake.Sealing effect is preferable in this way.Second engagement Face 1210 connects joint surface 12103 with third including the second connection joint surface 12101, second channel joint surface 12102.First peace The end face and the second connection joint surface 12101 for filling wall 112 engage.

In order to improve sealing effect, the end face of the first mounting wall 112 connects with the top surface of bottom wall 121.It should be noted that Finishing processing process can also be used in the joint of the top surface of the end face and bottom wall 121 of first mounting wall 112.That is, the first peace Finishing processing process can be used in the end face of dress wall 112, or the top surface of the bottom wall 121 that connects with the first mounting wall 112 The bottom wall that position can be used the end face of finishing processing process or the first mounting wall 112 and connect with the first mounting wall 112 The position of 121 top surface is all made of finishing processing process.

Second channel portion 123 is located at the bottom of the first mounting groove 124.First passage portion 113 and second channel portion 123 connect It connects.Second mounting wall 122 surrounds second channel portion 123.Second channel portion 123 offers the second groove 1231.First groove 1131 and second groove 1231 injection channel 101 is collectively formed.It is convenient for the machine-shaping in injection channel 101 in this way.

Second channel portion 123 is formed with the second channel joint surface 12102 positioned at 1231 two sides of the second groove.First passage Joint surface 1101 and second channel joint surface 12102 engage.In first passage joint surface 1101 and second channel joint surface 12102 At least one be using finishing processing process mistake.Second channel portion 123 is formed with third connection joint surface 12103.The One connection joint surface 1102 connects the engagement of joint surface 12103 with third.Second connection joint surface 12101 connects joint surface with third 12103 surround bottom wall link slot 1211.Second connection joint surface 12101, second channel joint surface 12102 connect engagement with third Face 12103 is coplanar.

Incorporated by reference to Figure 11-Figure 21, primary air cavity 13 offers the primary air chamber 131 in connection injection channel 101.One The side wall of secondary air chamber 131 offers the cavity through-hole 132 of connection primary air chamber 131.Specifically, primary air cavity 13 wraps Include annular element 133 and cavity body 134.Annular element 133 is protruded by the side of bottom cup lid body 11.Annular element 133 has opening 1331.Cavity body 134 is protruded by the side of bottom cup holder body 12.Annular element 133 is set to the roof of cavity body 134 and common shape At primary air chamber 131.1331 connection primary air chamber 131 of opening.The side wall of cavity body 134 opens up cavity through-hole 132.It is empty Gas can be entered in primary air chamber 131 by cavity through-hole 132 and/or opening 1331.Wherein, the flat shape of annular element 133 is in Arc shape.

For the ease of fixed and positioned, annular element 133 offers first positioning hole 1332 (as shown in figure 17).Cavity body 134 roof is convexly equipped with positioning column 1341 (as shown in figure 14).Positioning column 1341 is fixed in first positioning hole 1332 bottom of at Cup lid body 11 and bottom cup holder body 12 play the role of positioning and fixation during combining.

The side wall convex of primary air cavity 13 is equipped with the second location structure 135 (as shown in figure 12).Second positioning knot Structure 135 includes the first support plate 1351 and the second support plate 1352.Wherein, the first support plate 1351 is arc plate, the second support Plate 1352 is plate.Second support plate 1352 offers the second mounting hole 1353.

In order to facilitate the maintenance and maintenance of nozzle carrier 20, nozzle carrier 20 is removably installed in the side of primary air cavity 13 Wall.Nozzle carrier 20 is located at cavity through-hole 132 and is configured to block or open cavity through-hole 132.Due to nozzle carrier 20 be can Demolition, therefore, different nozzle carriers 20 can be matched for burner 100, works as nozzle carrier according to the demand of upper air inlet and lower air inlet 20 when blocking cavity through-hole 132, and burner 100 may be designed to upper inlet wind type burner, when the open cavity through-hole 132 of nozzle carrier 20 When, burner 100 may be designed to lower air inlet burner, or enter the wind burner up and down.Therefore, the air inlet mode of burner 100 exists Can be flexible and changeable in the case where low cost, adapt to different use environments.It should be noted that core pulling work can be used in nozzle carrier 20 Skill manufacture.

Incorporated by reference to Figure 22 and Figure 23, nozzle carrier 20 includes intake section 21, baffle 22, third location structure 23 (corresponding to power The first location structure in benefit requirement) and mounting plate 24.Intake section 21 offers channel, and the outlet side in channel is equipped with nozzle. 22 projection of baffle is on intake section 21.The height of baffle 22 is adjustable so that baffle 22 blocks or open cavity through-hole 132. When baffle 22 blocks cavity through-hole 132, baffle 22 fills cavity through-hole 132.It is convenient for blocking or opening cavity through-hole in this way 132.Second location structure 135 connects from third location structure 23 and limits nozzle carrier 20 jointly from least two different directions Position on bottom cup 10, makes nozzle and injection channel 101 coaxial, and be easily installed and fool proof with fixed nozzle seat 20. Gas injection is injected into injection channel 101 in this way, being conducive to nozzle, ensure that the air velocity of the air inlet in injection channel 101.Mounting plate 24 are arranged on intake section 21.Wherein, preferably, at least two above-mentioned directions include orthogonal both direction.

It is appreciated that in other embodiments, baffle can also directly overlay the side wall appearance of primary air chamber 131 Face can also realize that baffle blocks cavity through-hole 132 in this way.In addition, in other embodiments, nozzle carrier can omit baffle, The lower burner entered the wind can be achieved, in this case, it is understood that be that the height of baffle is zero.

Incorporated by reference to Fig. 3 and Fig. 7, in order to make full use of installation space, keep 100 overall structure of burner more compact, intake section 21 offer the first passage 211 and second channel 212 being sequentially communicated along the airintake direction e (as shown in Figure 7) of nozzle carrier 20.The One channel 211 has the first air inlet central axis z along the airintake direction of intake section 21.Air inlet of the second channel 212 along intake section 21 Direction has the second air inlet central axis g.Thickness direction of the first air inlet central axis z and the second air inlet central axis g in burner 100 On be arranged in a staggered manner.The thickness direction of burner 100 is the up and down direction in Fig. 7.Wherein, first passage 211 and second channel 212 It can be in column of rule, such as cylindrical or elliptical cylinder-shape etc..In addition, first passage 211 and second channel 212 can pass through mold It is formed, can guarantee the concentricity in each channel in this way.It should be noted that due to the substantially static pressure of the air-flow in intake section 21, Resistance when air-flow is by the second channel 212 of first passage 211 can be smaller.Wherein, primary air chamber 131 is connected to second channel 212.In addition, first jet (not shown go out) can be installed in the outlet side of second channel 212, and make first jet and injection channel 101 is coaxial opposite.

Specifically, in present embodiment, intake section 21 includes the first air inlet pipe 213 and the second air inlet pipe 214.First air inlet Pipe 213 opens up first passage 211.Second air inlet pipe 214 opens up second channel 212.Such first air inlet pipe 213 and the second air inlet Pipe 214 is arranged in a staggered manner on the thickness direction of burner 100.It may make the first air inlet pipe 213 relative to the second air inlet pipe in this way 214 are arranged on the lower, to vacate the upper space of nozzle carrier 20, so as to there is sufficient space to carry out plate placement.

First passage 211 is than second channel 212 closer to the inlet end of intake section 21.The cross section ruler of first passage 211 The very little cross sectional dimensions greater than second channel 212.For example, first is logical if first passage 211 and second channel 212 are rounded The radius in road 211 is greater than the radius of second channel 212；If first passage 211 and second channel 212 are square, first passage 211 cross-sectional area is greater than the cross-sectional area of second channel 212.Cross section is perpendicular to the section that airintake direction e is cut.

Intake section 21 is formed with the first positioning surface 210 (as shown in figure 23).The bottom surface of mounting plate 24 is formed with the second positioning Face 241.First positioning surface 210 and the second positioning surface 241 constitute third location structure 23.The side of first support plate 1351 and the The engagement of one positioning surface 210.The top surface of second support plate 1352 is engaged with the second positioning surface 241.Wherein, the first positioning surface 210 can A positioning surface of step structure is formed by for the first air inlet pipe 213 and 214 eccentric setting of the second air inlet pipe.

Incorporated by reference to Figure 21-Figure 23, in order to further increase the stability of the installation of nozzle carrier 20, the quantity of mounting plate 24 is two It is a.Two mounting plates 24 are separately positioned on the opposite two sides of intake section 21.The quantity of second support plate 1352 is two.First Fagging 1351 connects two the second support plates 1352.The top surface of the second support plate of two such 1352 can be installed with two respectively Second positioning surface 241 of plate 24 engages.First support plate 1351 is arc plate, can hold the second air inlet pipe 214.In other words, Second air inlet pipe 214 can be supported and be positioned by the first support plate 1351.

Mounting plate 24 offers the second mounting groove 242 (corresponding to the mounting groove in claim).Second mounting groove 242 with Second mounting hole 1353 of the second support plate 1352 is aligned.Second mounting groove 242 and the second mounting hole 1353 are used for for fixing piece (not shown go out) is by nozzle carrier 20 and bottom cup 10 is fixed uses.Wherein, the second mounting groove 242 can be U-type groove.

Incorporated by reference to Fig. 1 and Figure 24-Figure 26, flame projector 30 is installed on bottom cup lid body 11.In the present embodiment, flame projector 30 Positioned at the top of roof 111.The part that roof 111 and flame projector 30 are staggered can be used for being arranged liquid-bearing pan (not shown go out), in this way The installation space of roof 111 can be made full use of, and makes the more compact structure of the entirety of burner 100.It, can in fixed liquid-bearing pan So that fastener is worn the second location hole 1103 (as shown in figure 11) of liquid-bearing pan and bottom cup lid body 11 and is fixed on bottom cup holder body 12 Fixation hole 1201 (as shown in figure 19) in fixed liquid-bearing pan, bottom cup lid body 11 and bottom cup holder body 12 simultaneously, at this moment bottom cup lid Body 11 and the anchor point of liquid-bearing pan cooperation are consistent with the locating point position that bottom cup lid body 11 and bottom cup holder body 12 cooperate, and can protect in this way The reliability of integral sealing is demonstrate,proved, while reducing hole location process and assembly process, realizes that whole efficiency is promoted.In one example, Flame projector can be used cast aluminium and be made.

Flame projector 30 is formed with combustion gas mixing chamber 31 and the fire hole being connected to combustion gas mixing chamber 31 32.Gas outlet 114 is connected to Injection channel 101 and combustion gas mixing chamber 31.Flame projector 30 has third center k (where the dotted line m3 in Fig. 4 is third center k Central axes).First center x and third center k eccentric setting.The first center x of the third center k of flame projector 30 and bottom cup 10 Eccentric setting, such bottom cup 10 can have more spaces to be arranged longer by injection channel 101, so that injection channel 101 have biggish ejector capacity, so as to improve the thermic load of burner 100, and can guarantee and enter combustion gas mixing chamber The amount of the gaseous mixture of combustion gas and air in 31 then guarantees the stability that burner 100 burns.In the present embodiment, Three center k and the second center y are concentric.Dotted line m3 is overlapped with dotted line m2.It will be appreciated, of course, that in other embodiments, third Center k may also deviate from being arranged with the second center y.

It should be noted that the flat shape of flame projector 30 can in regular shape, such as diagram flame projector 30 planar shaped Shape is rounded.In other embodiments, the flat shape of flame projector 30 can be ellipse arc or rectangular etc..In flame projector 30 When flat shape is rounded and the flat shape of primary air cavity 13 is arc-shaped, the circle where the plane of flame projector 30 The center of circle it is Chong Die with the center of circle of circle where the plane of primary air cavity 13.It is more advantageous to combustion gas and the mixing of air in this way. When outer ring gas outlet 1141 is arc-shaped, the center of the plane where outer ring gas outlet 1141 and the third center of flame projector 30 K overlapping, so that the flow resistance for entering the mixed gas of flame projector 30 from outer ring gas outlet 1141 is less.

Incorporated by reference to Fig. 9, pressure-releasing chamber 303 is formed in bottom cup 10.What interface channel 102 and injection channel 101 collectively formed The mixed-gas channel 39 and pressure-releasing chamber 303 of combustion gas and air are respectively positioned on connecing for the first joint surface 110 and the second joint surface 1210 381 two sides at conjunction.Bottom cup lid body 11 offers the pressure relief opening 3031 of connection pressure-releasing chamber 303.Gas outlet 114 and pressure relief opening 3031 Interval.Since mixed-gas channel 39 and pressure-releasing chamber 303 are located at the joint on the first joint surface 110 and the second joint surface 1210 381 two sides leak to pressure-releasing chamber 303 at the engaged place 381 of mixed gas that mixed-gas channel 39 occurs in bottom cup 10 in this way Afterwards, mixed gas can be leaked to 10 top of bottom cup by pressure relief opening 3031, and the consumption that can be burnt by the flame projector 30 of 10 top of bottom cup Fall, avoid or reduce because bottom cup 10 gas leakage due to caused by accident.Meanwhile the setting of pressure-releasing chamber 303 can also reduce bottom cup 10 Overall weight.For the ease of being arranged and cleaning, first passage portion 113 opens up pressure-releasing chamber 303, that is to say, that bottom cup lid body 211 Upper surface be integrally in more smooth plane.Pressure-releasing chamber 303 and the first groove 1131 are spaced.

In order to increase 32 area of fire hole, and the ejector capacity of fire hole 32 is improved, the root of fire hole 32 is arc-shaped, processes in this way Also more convenient.Specifically, the root of fire hole 32 is arc-shaped.Flame projector 30 includes the side wall 301 for surrounding combustion gas mixing chamber 31 (as shown in Figure 1).The side of side wall 301 opens up spaced multiple fire holes 32, the side wall 301 between two neighboring fire hole 32 Position top surface offers fiery slot 302.Fiery slot 302 is connected to combustion gas mixing chamber 31 and two neighboring fire hole 32.Also, by fiery slot When 302 setting t shape, flame projector 30 passes the stability of fire more preferably.Below by the specific structure further to flame projector 30 into Row explanation.

Flame projector 30 includes outer ring cavity 33,34, two first connecting portions 35 of inner ring cavity, second connecting portion 36 and water conservancy diversion Face 37.The interval of outer ring cavity 33 surrounds inner ring cavity 34.Combustion gas mixing chamber 31 includes outer combustion gas mixing chamber 311 and interior combustion gas mixing Chamber 312.Outer ring cavity 33 offers outer combustion gas mixing chamber 311.Inner ring cavity 34 offers interior combustion gas mixing chamber 312.Fire hole 32 Including outer ring fire hole 321 and inner ring fire hole 322.Outer ring fire hole 321 surrounds inner ring fire hole 322.Outer ring fire hole 321 is connected to outer combustion gas Mixing chamber 311.Inner ring fire hole 322 is connected to interior combustion gas mixing chamber 312.

Outer combustion gas mixing chamber 311 and interior combustion gas mixing chamber 312 are supplied by single injection channel 101.Incorporated by reference to Figure 10, combustion Burner 100 offers the second secondary air duct 341 through 34 middle part of inner ring cavity.Second secondary air duct 341 is connected to First secondary-air passage 115.Secondary air ability is can guarantee in this way.Outer combustion gas mixing chamber 311 is connected to outer ring gas outlet 1141 and outer ring fire hole 321.Interior combustion gas mixing chamber 312 is connected to inner ring gas outlet 1142 and inner ring fire hole 322.

In air inlet, incorporated by reference to Fig. 7-Figure 10, combustion gas can sequentially enter the first passage 211 and second channel of intake section 21 212 (such as Fig. 7 dotted arrow show gas flow direction).Then, combustion gas can be sprayed by first jet to primary air chamber 131.Meanwhile outside air can enter in primary air chamber 131 via cavity through-hole 132 and/or opening 1331, and exist with combustion gas Mixing is realized in primary air chamber 131.Combustion gas and the mixed gaseous mixture of air enter injection channel 101, and by injection channel 101 distinguish injections to the first interface channel 1021 and the second interface channel 1022.Then, it is come out by the first interface channel 1021 Gaseous mixture enters outer combustion gas mixing chamber 311 for burning, to form outer ring fire in outer ring fire hole 321 via outer ring gas outlet 1141 Flame.The gaseous mixture come out by the second interface channel 1022 enters interior combustion gas mixing chamber 312 via inner ring gas outlet 1142 for combustion It burns, to form interior ring flame in interior ring fire hole 322.Outside air can be by the first secondary-air passage 115 and second secondary air Channel 341 enters to supplement air.

For the ease of the installation of flame projector 30, the 4th location structure 342 is formed among the bottom of inner ring cavity 34.First One of them in location structure 1151 and the 4th location structure 342 offers locating slot 343.First location structure 1151 and Another in four location structures 342 is formed with locating piece 344.Locating piece 344 is inserted into locating slot 343.In order to improve installation The shape of stability, locating piece 344 is consistent with the shape of locating slot 343, the plate different in thickness of locating piece 344.First Location structure 1151 offers locating slot 343 (as shown in figure 16), and the 4th location structure 342 is formed with 344 (such as Figure 26 of locating piece It is shown).In embodiments of the present invention, the quantity of locating slot 343 and locating piece 344 is 1.

First connecting portion 35 connects outer ring cavity 33 and inner ring cavity 34.Each first connecting portion 35 offers flame projector company Connect road 351.Flame projector interface channel 351 is connected to outer ring gas outlet 1141, inner ring gas outlet 1142 and combustion gas mixing chamber 31.? In the example of Figure 26, locating piece 344 connects two first connecting portions 35.Specifically, locating piece 344 is connected to two first connections Between portion 35.Each first connecting portion 35 includes one end opposite with another first connecting portion 35, and locating piece 344 connects two The opposite both ends of first connecting portion 35.

Second connecting portion 36 connects outer ring cavity 33 and inner ring cavity 34.Guide face 37 is located at the bottom surface of second connecting portion 36 With the bottom surface of inner ring cavity 34.Guide face 37 from the outside of flame projector 30 internally direction ramp up it is logical to second secondary air Road 341.From the outside of flame projector 30, internally direction is ramped up to second secondary air duct 341, Ke Yiyin guide face 37 It leads auxiliary air and flows to second secondary air duct 341, with the air sufficient to interior ring flame supplement, guarantee that burner 100 fires The thermal stability of burning.

The quantity of second connecting portion 36 is multiple.Multiple second connecting portions 36 are set along the circumferential uniform intervals of inner ring cavity 34 It sets.The bottom surface of multiple second connecting portions 36 and the bottom surface of inner ring cavity 34 are formed with multiple guide faces 37.Multiple 37 edges of guide face The circumferential uniform intervals of inner ring cavity 34 are arranged.In the example of present embodiment, second connecting portion 36 and guide face 37 are two It is a.In other embodiment, second connecting portion 36 and guide face 37 can be two or more.

In addition, flame projector 30 includes baffle 38.Baffle 38 is at least partly spaced and blocks pressure relief opening 3031.It can prevent in this way Unrestrained sundries blocks pressure relief opening 3031.In the example of Figure 24, baffle 38 is connected to the inside of outer ring cavity 33.Further, Baffle 38 connect first connecting portion 35 and outer ring cavity 33 inside, in this way can avoid baffle 38 burner 100 work when because High temperature and be deformed.

Fire cover 40 includes external ring fire cover 41 and interior ring fire cover 42.External ring fire cover 41 is set on outer ring cavity 33.Interior ring fire cover 42 are set on inner ring cavity 34.External ring fire cover 41 and interior ring fire cover 42 are spaced apart.The middle part of interior ring fire cover 42 offers interior ring fire Lid through-hole 421.Interior ring fire cover through-hole 421 is connected to second secondary air duct 341.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. mean the specific features described in conjunction with the embodiment or example, Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Feature can be combined in any suitable manner in any one or more of the embodiments or examples.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (11)

1. a kind of burner characterized by comprising

Nozzle carrier, the nozzle carrier include the first location structure, and the nozzle carrier offers channel, and the outlet side in the channel is used In installation nozzle；

Bottom cup is provided with the injection channel with Venturi effect in the cup of the bottom, and the bottom cup is provided with primary air cavity, The primary air cavity offers primary air chamber, and the primary air chamber is connected to the channel and the injection channel, institute The side wall convex for stating primary air cavity is equipped with the second location structure, first location structure and second location structure Connect and limit position of the nozzle carrier on the cup of the bottom jointly from least two different directions so that the nozzle with The injection channel is coaxial.

2. burner as described in claim 1, which is characterized in that at least two direction includes orthogonal two sides To.

3. burner as described in claim 1, which is characterized in that the nozzle carrier includes intake section and mounting plate, it is described into Gas portion opens up the channel, and the mounting plate is arranged on the intake section, and the intake section is formed with the first positioning surface, described The bottom surface of mounting plate is formed with the second positioning surface, and first positioning surface and second positioning surface constitute the first positioning knot Structure, second location structure include the first support plate and the second support plate, the side of first support plate and described first Position face bonding, the top surface of second support plate and the second positioning face bonding.

4. burner as claimed in claim 3, which is characterized in that the quantity of the mounting plate is two, described two installations Plate is separately positioned on the opposite two sides of the intake section, and the quantity of second support plate is two, and first support plate connects Connect described two second support plates.

5. burner as claimed in claim 3, which is characterized in that the mounting plate offers mounting groove, second support Plate offers the mounting hole of connection corresponding with the mounting groove, and the mounting groove and the mounting hole are used for will be described for fixing piece Nozzle carrier and the fixed use of bottom cup.

6. burner as described in claim 1, which is characterized in that the channel includes first passage and second channel, described First passage has a first air inlet central axis along the airintake direction of the nozzle carrier, the second channel along the nozzle carrier into Gas direction has the second air inlet central axis, and the first air inlet central axis and the second air inlet central axis are in the burner It is arranged in a staggered manner on thickness direction.

7. burner as claimed in claim 6, which is characterized in that the first passage is than the second channel closer to described The inlet end of nozzle carrier, the cross sectional dimensions of the first passage are greater than the cross sectional dimensions of the second channel.

8. burner as described in claim 1, which is characterized in that the nozzle carrier is removably installed in the primary air The side wall of cavity, the side wall of the primary air chamber offer the cavity through-hole for being connected to the primary air chamber, the nozzle carrier Positioned at the cavity through hole and it is configured to block or open the cavity through-hole.

9. burner as claimed in claim 8, which is characterized in that the nozzle carrier includes intake section and projection in the air inlet Baffle in portion, the intake section offer the channel, and the height of the baffle is adjustable so that the baffle blocks Or the open cavity through-hole.

10. burner as claimed in claim 9, which is characterized in that when the baffle blocks the cavity through-hole, the gear Plate fills the cavity through-hole.

11. a kind of gas cooker, which is characterized in that including the described in any item burners of claim 1-10.