CN208920054U - Bottom cup, burner and the gas cooker of burner - Google Patents

Abstract

The utility model discloses a kind of bottom of burner cup, burner and gas cookers.The injection channel with Venturi effect is formed in the bottom cup of burner.Bottom cup is provided with primary air cavity, and primary air cavity offers primary air chamber.The projection of primary air cavity is connected to injection channel in the side of bottom cup, primary air chamber.The burner of the utility model embodiment bottom cup in, the projection of primary air cavity bottom cup side, primary air cavity be not take up or occupy less bottom cup volume so that injection channel be made to it is longer, to improve the thermic load of burner.

Description

Bottom cup, burner and the gas cooker of burner

Technical field

The utility model relates to a kind of bottom of cooking apparatus technical field more particularly to burner cup, burner and combustion gas Kitchen range.

Background technique

In the related art, burner generally comprises bottom cup and flame projector, and flame projector setting is on the cup of bottom.Combustion gas and primary Air reaches the mixing chamber of flame projector after mixing in the injection channel in the cup of bottom.However, in current burner, primary air Cavity occupies bottom cup volumes, so that the length in injection channel can not be made to longer, affects the thermic load of burner.

Utility model content

The utility model provides bottom cup, burner and the gas cooker of a kind of burner.

The bottom cup of the burner of the utility model embodiment is formed with the injection with Venturi effect in the cup of the bottom Channel, the bottom cup are provided with primary air cavity, and the primary air cavity offers primary air chamber, the primary air Cavity projection is connected to the injection channel in the side of the bottom cup, the primary air chamber.

Said burner bottom cup in, the projection of primary air cavity bottom cup side, primary air cavity be not take up or Less occupy bottom cup volume so that injection channel be made to it is longer, to improve the thermic load of burner.

In some embodiments, the bottom cup has the first center, and the primary air cavity has the second center, institute State the first center and second center eccentric setting.

In some embodiments, the bottom cup includes bottom cup lid body and bottom cup holder body, and the bottom cup lid body is installed on institute Bottom cup holder body is stated, the primary air cavity projection is in the side of at least one of the bottom cup lid body and the bottom cup holder body.

In some embodiments, the bottom cup lid body includes roof and the first mounting wall, and the roof offers outlet Mouthful, the first mounting wall projection is connected to the gas outlet in the roof, the injection channel；The bottom cup holder body includes bottom Wall and the second mounting wall, in the bottom wall, the roof and the bottom wall are opposite for the second mounting wall projection, the bottom wall and Second mounting wall has been collectively formed mounting groove, first mounting wall be at least partially embedded the mounting groove and with it is described Second mounting wall is at least partly overlapped engagement.

In some embodiments, the bottom cup lid body includes first passage portion, and first passage portion projection is described Roof, first mounting wall surround the first passage portion, and the first passage portion offers the first groove；The bottom cup holder Body includes second channel portion, and the second channel portion is located at the bottom of the mounting groove, and second mounting wall is around described the Two channel parts, the second channel portion offer the second groove；The first passage portion is connected with the second channel portion, described The injection channel is collectively formed in first groove and second groove.

In some embodiments, the bottom cup lid body is formed with first joint surface opposite with the bottom wall, the bottom The top surface of wall is formed with the second joint surface, and second mounting wall surrounds second joint surface, first joint surface and institute State the second engagement face bonding, at least one of first joint surface and second joint surface are using at finishing processing technique It managed.

In some embodiments, the primary air cavity includes annular element and cavity body, and the annular element is by institute The side protrusion of bottom cup lid body is stated, the annular element has opening, and the cavity body is protruded by the side of the bottom cup holder body, The annular element is sheathed on the outer wall of the cavity body and the primary air chamber is collectively formed, one described in the open communication Secondary air chamber.

In some embodiments, the annular element offers first positioning hole, and the top surface of the cavity body is convexly equipped with Positioning column, the positioning column is fixed in the first positioning hole so that the annular element is sheathed on the cavity body.

The burner of the utility model embodiment includes the bottom cup of burner described in any of the above-described embodiment.

In said burner, the projection of primary air cavity is not take up or occupies less in the side of bottom cup, primary air cavity Bottom cup volume so that injection channel be made to it is longer, to improve the thermic load of burner.

The gas cooker of the utility model embodiment includes burner described in above embodiment.

In above-mentioned gas cooker, the projection of primary air cavity is not take up or accounts for less in the side of bottom cup, primary air cavity With bottom cup volume so that injection channel be made to it is longer, to improve the thermic load of burner.

The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partially will be from following Description in become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the stereoscopic schematic diagram of the burner of the utility model embodiment；

Fig. 2 is another stereoscopic schematic diagram of the burner of the utility model embodiment；

Fig. 3 is the bottom view of the burner of the utility model embodiment；

Fig. 4 is the front view of the burner of the utility model embodiment；

Fig. 5 is the side view of the burner of the utility model embodiment；

Fig. 6 is the top view of the burner of the utility model embodiment；

Fig. 7 is the perspective exploded view of the burner of the utility model embodiment；

Fig. 8 is the diagrammatic cross-section of the burner of the utility model embodiment；

Fig. 9 is another diagrammatic cross-section of the burner of the utility model embodiment；

Figure 10 is the another diagrammatic cross-section of the burner of the utility model embodiment；

Figure 11 is that the burner of the utility model embodiment removes the top view of fire cover；

Figure 12 is the stereoscopic schematic diagram of the bottom cup and nozzle carrier of the burner of the utility model embodiment；

Figure 13 is the decomposition diagram of the bottom cup and nozzle carrier of the burner of the utility model embodiment；

Figure 14 is another decomposition diagram of the bottom cup and nozzle carrier of the burner of the utility model embodiment；

Figure 15 is the stereoscopic schematic diagram of bottom the cup holder body and nozzle carrier of the burner of the utility model embodiment；

Figure 16 is the bottom cup holder body of the burner of the utility model embodiment and another stereoscopic schematic diagram of nozzle carrier；

Figure 17 is the stereoscopic schematic diagram of the bottom cup lid body of the burner of the utility model embodiment；

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

Figure 19 is the another stereoscopic schematic diagram of the bottom cup lid body of the burner of the utility model embodiment；

Figure 20 is the stereoscopic schematic diagram of the bottom cup holder body of the burner of the utility model embodiment；

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

Figure 22 is the another stereoscopic schematic diagram of the bottom cup holder body of the burner of the utility model embodiment；

Figure 23 is the stereoscopic schematic diagram of the nozzle carrier of the burner of the utility model embodiment；

Figure 24 is the another stereoscopic schematic diagram of the nozzle carrier of the burner of the utility model embodiment；

Figure 25 is the stereoscopic schematic diagram of the flame projector of the burner of the utility model embodiment；

Figure 26 is the enlarged diagram of the part flame projector I of the burner of Figure 25；

Figure 27 is another stereoscopic schematic diagram of the flame projector of the burner of the utility model embodiment；

Figure 28 is the another stereoscopic schematic diagram of the burner of the utility model embodiment；

Figure 29 is another decomposition diagram of the burner of the utility model embodiment；

Figure 30 is the stereoscopic schematic diagram of the bottom cup and nozzle carrier of the burner of the utility model embodiment；

Figure 31 is the decomposition diagram of the bottom cup and nozzle carrier of the burner of the utility model embodiment；

Figure 32 is another stereoscopic schematic diagram of the bottom cup lid body of the burner of the utility model embodiment；

Figure 33 is the another stereoscopic schematic diagram of the bottom cup lid body of the burner of the utility model embodiment；

Figure 34 is the another stereoscopic schematic diagram of the bottom cup lid body of the burner of the utility model embodiment；

Figure 35 is the stereoscopic schematic diagram of the bottom cup holder body of the burner of the utility model embodiment；

Figure 36 is another stereoscopic schematic diagram of the bottom cup holder body of the burner of the utility model embodiment；

Figure 37 is another stereoscopic schematic diagram of the flame projector of the burner of the utility model embodiment.

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 second location structure 135, first Fagging 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, Second secondary air duct 341, the 4th location structure 342, locating slot 343, locating piece 344, first connecting portion 35, flame projector connect Connect road 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；

Burner 200；

Bottom cup the 210, first injection channel 201, interface channel 202, bottom cup lid body 211, the first joint surface 2110, roof 2111, gas outlet 2114, the first mounting wall 2112, first passage portion 2113, the first groove 21131, lid link slot 2116, bottom Cup holder body 212, bottom wall 2121, bottom wall link slot 21211, the second joint surface 2210, the second mounting wall 2122, second channel portion 2123, primary air cavity 213, primary air chamber 2131, the first cavity portion 2133, annular element 2135, the first connection wall 2136, the first mating groove 21331, the second cavity portion 2134, the second connection wall 2137, installing port 21371, the second mating groove 21341；

Nozzle carrier 220, the first inlet channel 221, the second inlet channel 222, third air inlet pipe 223, the 4th air inlet pipe 224, inner ring air inlet pipe 270, third nozzle 271；

Flame projector 230, outer ring fire hole 2301, inner ring fire hole 2302, outer ring cavity 233, outer combustion gas mixing chamber 2331, inner ring Cavity 234, the second injection channel 2340, interior combustion gas mixing chamber 2341；

Fire cover 240, external ring fire cover 241, interior ring fire cover 242.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific It limits.

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 or can mutually communicate；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the description of the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it "upper" or "lower" may include that the first and second features directly contact, may include the first and second features be not directly to connect yet It touches but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on Face " includes fisrt feature right above second feature and oblique upper, or to be merely representative of first feature horizontal height special higher than second Sign.Fisrt feature include under the second feature " below ", " below " and " below " fisrt feature immediately below second feature and obliquely downward Side, or first feature horizontal height is merely representative of less than second feature.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.For The disclosure of simplified the utility model, is hereinafter described the component of specific examples and setting.Certainly, they are only and show Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition be for purposes of simplicity and clarity, itself do not indicate discussed various embodiments and/ Or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this field Those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Fig. 1-Figure 27 is please referred to, the burner 100 of the utility model embodiment includes bottom cup 10, nozzle carrier 20, flame Device 30 and 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 The side of primary air cavity 13.Burner 100 can be applied to the gas cooker of the utility model embodiment.

Fig. 1-Figure 12 is please referred to, bottom cup 10 includes bottom cup lid body 11 and bottom cup holder body 12.Bottom cup 10 is provided with primary air Cavity 13.Bottom cup lid body 11 is installed on bottom cup holder body 12, such as bottom cup lid body 11 and bottom cup holder body 12 are riveting.In order to increase one Secondary air cavity 13,13 projection of primary air cavity is in the side of at least one of bottom cup lid body 11 and bottom cup holder body 12.It can To understand, for 13 projection of primary air cavity in the side of bottom cup 10, primary air cavity 13 is not take up or occupies less bottom cup 10 Volume so that bottom cup 10 in injection channel 101 be made to it is longer, to improve the thermic load of burner 100.

Incorporated by reference to Fig. 7-Figure 13, the injection channel 101 with venturi (Venturi) effect is offered in bottom cup 10.Bottom Interface channel 102 (as shown in Figure 8) 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 13).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 protect The flow velocity for demonstrate,proving the air-flow flowed out by interface channel 102 can make the first interface channel 1021 along air current flow direction in tapered change Change.In addition, first mounting hole 103 can be offered (such as Figure 12 institute along the thickness direction (up and down direction as shown in Figure 8) of bottom cup 10 Show).First mounting hole 103 can be used for installing thermocouple (not shown go out) and ignition electrode (not shown out).The utility model is implemented Single injection channel 101 is offered in the bottom cup 10 of mode.In the example of fig. 8, injection channel 101 is essentially horizontally cloth It sets.

Incorporated by reference to Fig. 6 and Fig. 8, at least one of bottom cup lid body 11 and bottom cup holder body 12 have the first center x (in Fig. 8 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. 8 is Central axes where second center y).First center x and the second center y eccentric setting.

Specifically, in the example of fig. 6, 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 holder body 12, and the flat shape of primary air cavity 13 is arc-shaped, in second Heart y is 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 one The center of circle of circle where the plane of secondary air cavity 13.In this way, being on the one hand capable of increasing primary air cavity 13, guarantee primary empty The air inflow of gas；On the other hand, it is also beneficial to increase injection channel 101, enables combustion gas and air in injection channel 101 It is sufficiently mixed, 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 17-Figure 20, 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 Between first passage portion 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 17, 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 connect respectively It connects 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 connects It connects road 10211 and the second sub- interface channel 10212 can be arc-shaped, and can be by the first sub- interface channel 10211 and second Sub- interface channel 10212 is arranged to symmetrical about the central axis in the injection channel 101 of bottom cup 10.In order to reduce air-flow flowing Resistance 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 17, 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 the One 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 7).At this moment, the sub- interface channel 10221 of third is connected to the first sub- interface channel 10211 channels constituted are connected to channel that the second sub- interface channel 10212 is constituted with the 4th sub- interface channel 10222 not Connection, and it is located at the two sides of the first secondary-air passage 115.Auxiliary air air inlet area, outside air are increased in this way It can then guarantee secondary air ability well into the first secondary-air passage 115.

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 18, 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.The It is coplanar that one channel engagement face 1101, first connects joint surface 1102 and the end face of the first mounting wall 112.First joint surface 110 packet Include the end face that first passage joint surface 1101, first connects joint surface 1102 and the first mounting wall 112.

Incorporated by reference to Figure 14-Figure 16 and Figure 20-Figure 22, 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 is engaged with first Face 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 pacify Loaded on bottom cup holder body 12 and it is positioned partially in the first mounting groove 124.

In the utility model embodiment, the first mounting wall 112 and the second mounting wall 122 inside burner 100 to Outside direction (horizontal direction of such as Fig. 8) overlapping engagement.In this way, when burner 100 works, due in the temperature of bottom cup 10 It rises and the first mounting wall 112 and the second mounting wall 122 is made to engage even closer, and then it is preferable to can guarantee that bottom cup 10 has Sealing performance 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.This Sample not will cause the air of flame projector 30 and the amount of the gaseous mixture of combustion gas is insufficient, then influence the normal work of burner 100.? In one example, bottom cup 10 can be used cast aluminium and be made.In the utility model embodiment, the first mounting wall 112 is compared with the second peace First center x of the dress wall 122 closer to 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 It is using finishing processing process mistake at least one of the second joint surface 1210.Sealing effect is preferable in this way.Second connects Conjunction face 1210 connects joint surface 12103 with third including the second connection joint surface 12101, second channel joint surface 12102.The The end face of one mounting wall 112 and the second connection joint surface 12101 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.First passage joint surface 1101 and second channel joint surface 12102 At least one of be using finishing processing process mistake.Second channel portion 123 is formed with third connection joint surface 12103. First connection joint surface 1102 connects the engagement of joint surface 12103 with third.Second connection joint surface 12101 is connected with third to be connect Conjunction face 12103 surrounds bottom wall link slot 1211.Second connection joint surface 12101, second channel joint surface 12102 are connected with third Joint surface 12103 is coplanar.

Incorporated by reference to Figure 12-Figure 22, 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 sheathed on the roof of cavity body 134 and common Form 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. Air 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 Arc-shaped shape.

For the ease of fixed and positioned, annular element 133 offers first positioning hole 1332 (as shown in figure 18).Cavity body 134 roof is convexly equipped with positioning column 1341 (as shown in figure 15).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 13).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 Disassembly, therefore, different nozzle carriers 20 can be matched for burner 100, works as nozzle according to the demand of upper air inlet and lower air inlet When seat 20 blocks cavity through-hole 132, burner 100 may be designed to upper inlet wind type burner, when the open cavity through-hole of nozzle carrier 20 When 132, 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 Can be flexible and changeable in the case where low cost, adapt to different use environments.It should be noted that core pulling can be used in nozzle carrier 20 Technique manufacture.

Incorporated by reference to Figure 23 and Figure 24, nozzle carrier 20 includes intake section 21, baffle 22, third location structure 23 and mounting plate 24.22 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 logical convenient for blocking or opening cavity in this way Hole 132.Second location structure 135 connects from third location structure 23 and limits nozzle carrier jointly from least two different directions 20 position on bottom cup 10 with fixed nozzle seat 20, and is easily installed and fool proof.Mounting plate 24 is arranged in intake section 21 On.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. 4 and Fig. 8, in order to make full use of installation space, keep 100 overall structure of burner more compact, intake section 21 offer along airintake direction e (as shown in Figure 8) first passage 211 being sequentially communicated and second channel 212.First passage 211 Airintake direction along intake section 21 has the first air inlet central axis z.Second channel 212 has along the airintake direction of intake section 21 Second air inlet central axis g.First air inlet central axis z and the second air inlet central axis g are staggered on the thickness direction of burner 100 Setting.The thickness direction of burner 100 is the up and down direction in Fig. 8.Wherein, first passage 211 and second channel 212 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 shape At 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, gas Resistance when stream 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 gas outlet of second channel 212, and make first jet and injection channel 101 Relatively.

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 second into Tracheae 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 in this way Pipe 214 is 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 24).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 with The engagement of first 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 It can be the positioning surface that the first air inlet pipe 213 and 214 eccentric setting of the second air inlet pipe are formed by step structure.

Incorporated by reference to Figure 22-Figure 24, 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.Second mounting hole of the second mounting groove 242 and the second support plate 1352 1353 alignments.Second mounting groove 242 and the second mounting hole 1353 are used for nozzle carrier 20 and bottom cup for fixing piece (not shown go out) 10 fixed use.Wherein, the second mounting groove 242 can be U-type groove.

Incorporated by reference to Fig. 1 and Figure 25-Figure 27, 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 12) 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 20) 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. 5 is third center k Central axes).First center x and third center k eccentric setting.The first center of the third center k of flame projector 30 and bottom cup 10 X eccentric setting, such bottom cup 10 can have more spaces to be arranged longer by injection channel 101, so that injection is logical Road 101 has biggish ejector capacity, so as to improve the thermic load of burner 100, and can guarantee and enters combustion gas mixing The amount of the gaseous mixture of combustion gas and air in chamber 31 then guarantees the stability that burner 100 burns.In the present embodiment, Third 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 Figure 10, 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 intervals.Since mixed-gas channel 39 and pressure-releasing chamber 303 are located at the engagement on the first joint surface 110 and the second joint surface 1210 The two sides at place 381 leak to pressure-releasing chamber at the engaged place 381 of mixed gas that mixed-gas channel 39 occurs in bottom cup 10 in this way After 303, mixed gas can be leaked to 10 top of bottom cup by pressure relief opening 3031, and can be disappeared by the burning of flame projector 30 of 10 top of bottom cup Consume, 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 is 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.Flame projector 30 includes the side wall 301 (as shown in Figure 1) for surrounding combustion gas mixing chamber 31.It opens the side of side wall 301 If spaced multiple fire holes 32, the position top surface of the side wall 301 between two neighboring fire hole 32 offers fiery slot 302.Fiery slot 302 connection combustion gas mixing chambers 31 and two neighboring fire hole 32.Also, when t shape is arranged in fiery slot 302, flame projector 30 is passed The stability of fire is more preferably.The specific structure further to flame projector 30 is illustrated below.

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 that outer combustion gas mixing chamber 311 and interior combustion gas are mixed Close 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 include 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 11, 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. 8-Figure 11, combustion gas can sequentially enter the first passage 211 and second channel of intake section 21 212 (such as Fig. 8 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 and combustion gas Mixing is realized in primary air chamber 131.Combustion gas and the mixed gaseous mixture of air enter injection channel 101, and are led to by injection Injection is distinguished to the first interface channel 1021 and the second interface channel 1022 in road 101.Then, it is come out by the first interface channel 1021 Gaseous mixture via outer ring gas outlet 1141 enter outer combustion gas mixing chamber 311 for burning, with outer ring fire hole 321 formed outer ring Flame.By the second interface channel 1022 come out gaseous mixture via inner ring gas outlet 1142 enter interior combustion gas mixing chamber 312 for Burning, 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 sky Gas 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 He Another in 4th location structure 342 is formed with locating piece 344.Locating piece 344 is inserted into locating slot 343.In order to improve installation Stability, the shape of locating piece 344 is consistent with the shape of locating slot 343, and locating piece 344 is in the different plate of thickness.The One location structure 1151 offers locating slot 343 (as shown in figure 17), and the 4th location structure 342 is formed with locating piece 344 (as schemed Shown in 27).Specifically, in the utility model embodiment, 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 27, locating piece 344 connects two first connecting portions 35.Specifically, locating piece 344 is connected to two first companies Between socket part 35.Each first connecting portion 35 includes one end opposite with another first connecting portion 35, the connection of locating piece 344 two The opposite both ends of a 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 25, 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.

Figure 28-Figure 37 is please referred to, the burner 200 of another embodiment of the utility model includes bottom cup 210, nozzle carrier 220, flame projector 230 and fire cover 240.Nozzle carrier 220 is installed on the side of bottom cup 210.The setting of flame projector 230 is on bottom cup 210. The burner 200 of the utility model embodiment can be applied to the gas cooker of the utility model embodiment.

Bottom cup 210 includes bottom cup lid body 211, bottom cup holder body 212 and primary air cavity 213.Bottom cup lid body 211 is installed on The connection type of bottom cup holder body 212, bottom cup lid body 211 and bottom cup holder body 212 can refer to the utility model above embodiment Burner 100.213 projection of primary air cavity is in the side of at least one of bottom cup lid body 211 and bottom cup holder body 212.It can To understand, for 213 projection of primary air cavity in the side of bottom cup 210, primary air cavity 213 is not take up or occupies less bottom cup 210 volume so that bottom cup 210 in the first injection channel 201 be made to it is longer, to improve burner 200 Thermic load.Burner 100 of the set-up mode of primary air cavity 213 see also utility model above embodiment.

The first injection channel 201 with Venturi effect is offered in bottom cup 210.It is logical that connection is offered in bottom cup 210 Road 202.Interface channel 202 has the function of guiding to combustion gas.It is above-mentioned that the set-up mode of interface channel 202 can refer to utility model The burner 100 of embodiment.

Bottom cup lid body 211 includes roof 2111, the first mounting wall 2112 and first passage portion 2113.211 shape of bottom cup lid body At there is the first joint surface 2110.Bottom cup lid body 211 offers lid link slot 2116.Lid link slot 2116 is located at first passage Between portion 2113 and the first mounting wall 2112.

Roof 2111 offers gas outlet 2114.First mounting wall, 2112 projection is in roof 2111.Flame projector 230 is installed on On roof 2111.Interface channel 202 connects the outlet side and gas outlet 2114 in the first injection channel 201.First passage portion 2113 Offer the first groove 21131.

Bottom cup holder body 212 includes bottom wall 2121, the second mounting wall 2122 and second channel portion 2123.First mounting wall 2112 End face connect with the top surface of bottom wall 2121.Second mounting wall, 2122 projection is in bottom wall 2121.2121 phase of roof 2111 and bottom wall It is right.Bottom wall 2121 and the first joint surface 2110 are opposite.

The first mounting groove 2124 has been collectively formed in bottom wall 2121 and the second mounting wall 2122.First mounting wall 2112 at least portion Point ground insertion the first mounting groove 2124 and with the second mounting wall 2122 at least partly it is Chong Die engage.Specifically, the first mounting wall 2112 and second mounting wall 2122 be overlapped engagement in the horizontal direction.

Bottom wall 2121 offers bottom wall link slot 21211.Lid link slot 2116 and bottom wall link slot 21211 are collectively formed Interface channel 2102.The top surface of bottom wall 2121 is formed with the second joint surface 2210.Second mounting wall 2122 surrounds the second joint surface 2210.First joint surface 2110 and the engagement of the second joint surface 2210.In first joint surface 2110 and the second joint surface 2210 extremely Few one is using finishing processing process mistake.Sealing effect is preferable in this way.First joint surface 2110 and the second joint surface The connection type of 2210 engagements can refer to the burner 100 of the utility model above embodiment.

Second channel portion 2123 is located at the bottom of the first mounting groove 2124.First passage portion 2113 and second channel portion 2123 Connection.Second mounting wall 2122 surrounds second channel portion 2123.Second channel portion 2123 offers the second groove 2231.First is recessed The first injection channel 201 is collectively formed in slot 2131 and the second groove 2231.The generation type in the first injection channel 201 can specifically join Examine the generation type in the injection channel 101 in the burner 100 of the utility model above embodiment.

Primary air cavity 213 offers the primary air chamber 2131 in the first injection channel 201 of connection.Primary air cavity 213 include the first cavity portion 2133 and the second cavity portion 2134.First cavity portion 2133 is from the side of bottom cup lid body 211 Side protrusion.First cavity portion 2133 is formed with the first mating groove 21331.Second cavity portion 2134 is from bottom cup holder body 212 Side wall protrusion.Second cavity portion 2134 is formed with the second mating groove 21341.First mating groove 21331 and the second mating groove 21341 are collectively formed primary air chamber 2131.

First cavity portion 2133 includes annular element 2135 and the first connection wall 2136.Annular element 2135 is by bottom cup lid body 211 side protrusion.The side of first connection wall 2136 connection annular element 2135.Annular element 2135 is located at the first connection wall and bottom Between the side of cup lid body 211.First connection wall 2136 surrounds the first mating groove 21331.First connection wall 2136 is drawn with first The air inlet for penetrating channel 201 is opposite.Annular element 2135 has the opening of the first mating groove 21331 of connection.

Second cavity portion 2134 includes the second connection wall 2137.Second connection wall 2137 offers installing port 21371.The Two connection walls 2137 surround the second mating groove 21341.Installing port 21371 is connected to the second mating groove 21341.First connection wall 2136 Installing port 21371 is installed on to be cooperatively connected with the second connection wall 2137.Wherein, the flat shape of annular element 2135 is arc-shaped Shape, the arc-shaped shape of flat shape of the second cavity portion 2134.

Nozzle carrier 220 offers the first inlet channel 221 and the second inlet channel 222.The outlet of first inlet channel 221 Mouth is equipped with second nozzle (not shown go out).Second nozzle and the first injection channel 201 are opposite.Second inlet channel 222 goes out Port is connected with inner ring air inlet pipe 270.The gas outlet of inner ring air inlet pipe 270 is equipped with third nozzle 271.Inner ring air inlet pipe 270 Material be different from bottom cup 210 material.The gas outlet of second inlet channel 26 of the connection of inner ring air inlet pipe 270 and third in this way Nozzle 271, and inner ring air inlet pipe 270 does not need to be processed into using core pulling technique, can reduce procedure of processing, and inner ring in this way Air inlet pipe 270 is not easy defect occur, and can have preferable sealing performance.Wherein, the material of inner ring air inlet pipe 270 can be Stainless steel tube.

It should be noted that inner ring air inlet pipe 270 can be with bottom 210 cast moldings of cup.Nozzle carrier 220 is installed on the first connection Wall 2136.Nozzle carrier 220 includes third air inlet pipe 223 and the 4th air inlet pipe 224.Third air inlet pipe 223 offers the first air inlet Channel 221.4th air inlet pipe 224 offers the second inlet channel 222.One end of inner ring air inlet pipe 270 is fixed on the 4th air inlet Pipe 224, the other end wear the first connection wall 2136, annular element 2135 and bottom cup lid body 211 and the fixed company of third nozzle 271 It connects.

Flame projector 230 is located at the top of roof 2111.Flame projector 230 is formed with outer ring fire hole 2301 and inner ring fire hole 2302.Mounting means of the flame projector 30 on bottom cup 210 can refer to the burner 100 of the utility model above embodiment, example As eccentric setting can be used in flame projector 230 and bottom cup 210.It is practical new that the structure and set-up mode of outer ring fire hole 2301 can refer to this The burner 100 of type above embodiment.The structure and set-up mode of inner ring fire hole 2302 can refer to the above-mentioned reality of the utility model Apply the burner 100 of mode.

Flame projector 230 includes outer ring cavity 233 and inner ring cavity 234.The interval of outer ring cavity 233 surrounds inner ring cavity 234. Outer ring cavity 233 offers outer combustion gas mixing chamber 2331.Outer ring fire hole 2301 is connected to outer combustion gas mixing chamber 2331.Roof 2111 The gas outlet 2114 opened up is outer ring gas outlet.Gas outlet 2114 is connected to outer combustion gas mixing chamber 2331 and the first injection channel 201. Inner ring cavity 234 offers interior combustion gas mixing chamber 2341.Inner ring fire hole 2302 is connected to interior combustion gas mixing chamber 2341.Outer combustion gas mixing The gaseous mixture of chamber 2331 is supplied by the first injection channel 201.Inner ring cavity 234 offers the second injection channel 2340.Second draws It is opposite with the third nozzle 271 for the gas outlet for being mounted on inner ring air inlet pipe 270 to penetrate channel 2340.Interior combustion gas mixing chamber 2341 Mixed gas is supplied by the second injection channel 2340.In this way, inner ring air inlet pipe 270 connects the gas outlet of the second inlet channel 222 And third nozzle 271, and inner ring air inlet pipe 270 does not need to be processed into using core pulling technique, can reduce procedure of processing in this way, and And inner ring air inlet pipe is not easy defect occur, and can have preferable sealing performance, then can guarantee burner 200 just Often gas supply.

In air inlet, combustion gas can respectively enter the first inlet channel 221 and the second inlet channel 222.Then, the first air inlet Combustion gas in channel 221 is ejected to primary air chamber 2131 by second nozzle.Air and combustion gas mix in primary air chamber 2131 Gaseous mixture is synthesized, and enters the first injection channel 201, and injection is distinguished to interface channel 202 by the first injection channel 201.So Afterwards, the gaseous mixture come out by interface channel 202 enters outer combustion gas mixing chamber 2331 via gas outlet 2114 for burning.Meanwhile Combustion gas in second inlet channel 222 is sprayed via inner ring air inlet pipe 270 and by third nozzle 271, and is mixed with air realization. Combustion gas and the mixed gaseous mixture of air enter the second injection channel 2340, and by 2340 injection of the second injection channel to interior combustion gas Mixing chamber 2341 is for burning.

The structure of flame projector 230 can refer to the burner 100 of the utility model above embodiment.

Fire cover 240 includes external ring fire cover 241 and interior ring fire cover 242.External ring fire cover 241 is set on outer ring cavity 233.Inner ring Fire cover 242 is set on inner ring cavity 234.External ring fire cover 241 and interior ring fire cover 242 are spaced apart.The middle part of interior ring fire cover 242 is Solid construction.

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 contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned The schematic representation of term may not refer to the same embodiment or example.Moreover, the specific features of description, structure, material Or feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of bottom cup of burner, which is characterized in that be formed with the injection channel with Venturi effect, institute in the bottom cup It states bottom cup and is provided with primary air cavity, the primary air cavity offers primary air chamber, and the primary air cavity is convex It is located at the side of the bottom cup, the primary air chamber is connected to the injection channel.

2. the bottom cup of burner as described in claim 1, which is characterized in that the bottom cup has the first center, described primary Air cavity has the second center, first center and second center eccentric setting.

3. the bottom cup of burner as described in claim 1, which is characterized in that the bottom cup includes bottom cup lid body and bottom cup holder Body, the bottom cup lid body are installed on the bottom cup holder body, and the primary air cavity projection is at the bottom cup lid body and the bottom The side of at least one of cup holder body.

4. the bottom cup of burner as claimed in claim 3, which is characterized in that the bottom cup lid body includes roof and the first installation Wall, the roof offer gas outlet, and the first mounting wall projection is connected to the outlet in the roof, the injection channel Mouthful；

The bottom cup holder body includes bottom wall and the second mounting wall, the second mounting wall projection in the bottom wall, the roof and The bottom wall is opposite, and mounting groove has been collectively formed in the bottom wall and second mounting wall, and first mounting wall is at least partly Ground be embedded in the mounting groove and with second mounting wall at least partly be overlapped engagement.

5. the bottom cup of burner as claimed in claim 4, which is characterized in that the bottom cup lid body includes first passage portion, institute The projection of first passage portion is stated in the roof, first mounting wall surrounds the first passage portion, and the first passage portion opens Equipped with the first groove,

The bottom cup holder body includes second channel portion, and the second channel portion is located at the bottom of the mounting groove, second peace It filling wall and surrounds the second channel portion, the second channel portion offers the second groove,

The first passage portion is connected with the second channel portion, and first groove and second groove are collectively formed described Injection channel.

6. the bottom cup of burner as claimed in claim 5, which is characterized in that the bottom cup lid body is formed with and the bottom wall phase Pair the first joint surface, the top surface of the bottom wall is formed with the second joint surface, and second mounting wall is around second engagement At least the one of face, first joint surface and the second engagement face bonding, first joint surface and second joint surface A is using finishing processing process mistake.

7. the bottom cup of burner as claimed in claim 3, which is characterized in that the primary air cavity includes annular element and chamber Body ontology, the annular element are protruded by the side of the bottom cup lid body, and the annular element has opening, and the cavity body is by institute The side protrusion of bottom cup holder body is stated, the annular element is sheathed on the outer wall of the cavity body and the primary air is collectively formed Chamber, primary air chamber described in the open communication.

8. the bottom cup of burner as claimed in claim 7, which is characterized in that the annular element offers first positioning hole, institute The top surface for stating cavity body is convexly equipped with positioning column, and the positioning column is fixed in the first positioning hole so that the annular element It is sheathed on the cavity body.

9. a kind of burner, which is characterized in that including the bottom of flame projector and the described in any item burners of claim 1-8 cup, The flame projector setting is on the bottom cup.

10. a kind of gas cooker, which is characterized in that including burner as claimed in claim 9.