CN209042367U - The bottom cup and burner and gas cooker of burner - Google Patents

Abstract

The utility model discloses a kind of bottom of burner cup and burner and gas cookers, the bottom cup of burner includes bottom cup lid body and bottom cup holder body, bottom cup lid body includes roof and the first mounting wall, roof offers gas outlet, first mounting wall projection is in the roof, the bottom cup lid body is installed on the bottom cup holder body, the bottom cup holder body includes bottom wall and the second mounting wall, the second mounting wall projection is in the bottom wall, the roof and the bottom wall are opposite, mounting groove has been collectively formed in the bottom wall and second mounting wall, first mounting wall be at least partially embedded the mounting groove and with second mounting wall at least partly it is be overlapped engagement, the injection channel with Venturi effect is offered in the bottom cup, the injection channel is connected to the gas outlet.During burner heats or is cooling, the junction of the first mounting wall and the second mounting wall can expand with heat and contract with cold and be further ensured that with preferable sealing performance, so that the sealing performance that bottom cup lid body is installed on bottom cup holder body is preferable.

Description

The bottom cup and burner and 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 and burner and combustion gas Kitchen range.

Background technique

Burner in the related technology include bottom cup and be arranged in bottom cup on flame projector.Air and the gaseous mixture of combustion gas by Bottom cup is supplied to flame projector for burning.However, the sealing effect of the indsole cup of the relevant technologies is bad, it is easy to cause bottom cup gas leakage, It causes the amount of the air of flame projector and the gaseous mixture of combustion gas insufficient, then influences the normal work of burner.

Utility model content

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

The bottom cup of the burner of the utility model embodiment, the bottom cup includes bottom cup lid body and bottom cup holder body, described Bottom cup lid body includes roof and the first mounting wall, and the roof offers gas outlet, and the first mounting wall projection is on the top Wall, the bottom cup lid body are installed on the bottom cup holder body, and the bottom cup holder body includes bottom wall and the second mounting wall, second peace Wall projection is filled in the bottom wall, the roof and the bottom wall are opposite, and the bottom wall and second mounting wall have been collectively formed Mounting groove, first mounting wall are at least partially embedded the mounting groove and at least partly be overlapped with second mounting wall It engages, offers the injection channel with Venturi effect in the bottom cup, the injection channel is connected to the gas outlet.

In the bottom cup of said burner, during burner heats or is cooling, the first mounting wall and the second installation The junction of wall can expand with heat and contract with cold and be further ensured that with preferable sealing performance, so that bottom cup lid body is installed on bottom cup holder The sealing performance of body is preferable, and bottom cup is not easy gas leakage.The air of the flame projector of burner and the mixing of combustion gas are not will cause in this way The amount of gas is insufficient, then influences the normal work of burner.

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, and 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 end face of first mounting wall connects with the top surface of the bottom wall.

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.

In some embodiments, at least one of first joint surface and second joint surface are using smart car Processing technology is processed.

In some embodiments, the first interface channel is offered in the bottom cup, the gas outlet includes outer ring outlet Mouthful, first interface channel connects the outlet side and the outer ring gas outlet in the injection channel.

In some embodiments, the outer ring gas outlet includes spaced first outer ring gas outlet and the second outer ring Gas outlet, first interface channel include the first sub- interface channel and the second sub- interface channel, the first sub- interface channel The outlet side two sides in the injection channel, the first sub- interface channel connection are connected to the described second sub- interface channel First outer ring gas outlet and the injection channel, second sub- interface channel connection second outer ring gas outlet and institute State injection channel.

In some embodiments, the gas outlet includes inner ring gas outlet, and the inner ring gas outlet includes interval setting The first inner ring gas outlet and the second inner ring gas outlet, offer the second interface channel in the cup of the bottom, second connection is logical Road includes the sub- interface channel of third and the 4th sub- interface channel, and the sub- interface channel of third is connected to the first sub- interface channel With first inner ring gas outlet, the 4th sub- interface channel is connected to the second sub- interface channel and second inner ring goes out The top surface position of port, the roof between first inner ring gas outlet and second inner ring gas outlet is formed with Secondary-air passage.

In some embodiments, the surface portion of the roof is formed with the positioning knot positioned at the secondary-air passage Structure.

In some embodiments, the bottom cup is provided with primary air cavity, and the primary air cavity projection is in institute The side of at least one of bottom cup lid body and the bottom cup holder body is stated, the primary air cavity offers the connection injection The primary air chamber in channel.

In some embodiments, at least one of the bottom cup lid body and the bottom cup holder body have the first center, The primary air cavity has the second center, first center and second center eccentric setting.

The burner of the utility model embodiment includes burner described in flame projector and any of the above-described embodiment Bottom cup, the flame projector are arranged on the bottom cup lid body.

In said burner, during burner heats or is cooling, the company of the first mounting wall and the second mounting wall The place of connecing can expand with heat and contract with cold and be further ensured that with preferable sealing performance, so that bottom cup lid body is installed on the close of bottom cup holder body Sealing property is preferable, and bottom cup is not easy gas leakage.The amount of the air of the flame projector of burner and the gaseous mixture of combustion gas is not will cause in this way Deficiency then influences the normal work of burner.

In some embodiments, at least one of the bottom cup lid body and the bottom cup holder body have the first center, The flame projector has third center, the third center and first center eccentric setting.

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

In above-mentioned gas cooker, during burner heats or is cooling, the first mounting wall and the second mounting wall Junction can expand with heat and contract with cold and be further ensured that with preferable sealing performance, so that bottom cup lid body is installed on bottom cup holder body Sealing performance is preferable, and bottom cup is not easy gas leakage.The air of the flame projector of burner and the gaseous mixture of combustion gas are not will cause in this way Amount is insufficient, then influences the normal work of burner.The additional aspect and advantage of the utility model embodiment will be retouched in following It states middle part to give out, partially will become apparent from the description below, 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, Second sub- interface channel 10212, the second interface channel 1022, the sub- interface channel 10221 of third, the 4th sub- interface channel 10222, the first mounting hole 103, bottom cup lid body 11, the first joint surface 110, the connection engagement of first passage joint surface 1101, first Face 1102, second location hole 1103, roof 111, top surface 1110, the first mounting wall 112, first passage portion 113, the first groove 1131, gas outlet 114, outer ring gas outlet 1141, inner ring gas outlet 1142, the first outer ring gas outlet 1143, the second outer ring outlet Mouth the 1144, first 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 connection engagement of the second joint surface 1210, second Face 12101, second channel joint surface 12102, third connection 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, Di Beitong Hole 132, annular element 133, opening 1331, first positioning hole 1332, cavity body 134, positioning column 1341, the second location structure 135, the first support 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, 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, 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 26 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.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 make air Enter sufficiently into primary air cavity 13,13 projection of primary air cavity in bottom cup lid body 11 and bottom cup holder body 12 at least One side.

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 is offered in cup 10.Interface channel 102 has the function of guiding to combustion gas.Interface channel 102 includes first Interface channel 1021 and the second interface channel 1022.First interface channel 1021 is connected to injection channel 101 and the second interface channel 1022.First interface channel 1021 is arc-shaped, can reduce the resistance that air-flow flows in the first interface channel 1021 in this way.For The flow velocity for guaranteeing the air-flow flowed out by interface channel 102 can make first interface channel 1021 along air current flow direction in tapered Variation.In addition, bottom cup 10 offers the first mounting hole 103.First mounting hole 103 can be used for installing thermocouple (not shown go out) With ignition electrode (not shown go out).It is appreciated that the first interface channel 1021 and injection can be made in order to reduce the resistance of air-flow flowing The outlet side arc in channel 101 connects.Single injection channel 101 is offered in the bottom cup of the utility model embodiment.It please tie Fig. 8 is closed, injection channel 101 is essentially horizontally to arrange.

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, bottom cup lid body 11 and bottom cup holder The flat shape of at least one of body 12 is in regular shape, and the flat shape of primary air cavity 13 is in regular shape.For example, bottom cup The flat shape of pedestal 12 is arc-shaped, and the first center x is the center of circle of the circle where the plane of bottom cup holder body 12, primary air The flat shape of cavity 13 is arc-shaped, and the second center y is the center of circle of the circle where the plane of primary air cavity 13.For another example, The flat shape of bottom cup holder body 12 is square, and the first center x is rectangular cornerwise friendship where the plane of bottom cup holder body 12 The flat shape of point, primary air cavity 13 is square, and the second center y is rectangular where the plane of primary air cavity 13 Cornerwise intersection point.It can guarantee that air can be well into primary air cavity 13, in order to which combustion gas and air exist in this way Mixing in primary air cavity 13.It will be appreciated, of course, that bottom cup lid body 11, bottom cup holder body 12 and primary air cavity 13 are also It can be in the shape (such as ellipse etc.) of other rules.

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.Drawn in this way by injection channel 101 The combustion gas of injection and the gaseous mixture of air can be supplied to flame projector 30 by gas outlet 114 for burning.

Incorporated by reference to Figure 16, in order to make burner 100 be capable of forming polycyclic flame, gas outlet 114 includes outer ring gas outlet 1141 and inner ring gas outlet 1142.The outlet side and outer ring gas outlet in the first interface channel 1021 connection injection channel 101 1141.In order to increase the outlet area of outer ring gas outlet 1141 and guarantee the uniformity of outlet, the setting of outer ring gas outlet 1141 is in Arc shape, such as arc-shaped, the center of the circle where outer ring gas outlet 1141 and the second center y weight of primary air cavity 13 It is folded.In addition, outer ring gas outlet 1141 and inner ring gas outlet 1142 are protruded by the top surface 1110 of roof 111 respectively.

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 is logical Road 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 Channel 10211 and the second sub- interface channel 10212 can be arc-shaped, and can be by the first sub- interface channel 10211 and the second son Interface channel 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 arc in injection channel 101, and make the second sub- interface channel 10212 connect with the outlet side arc 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 8).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 first passage joint surface 1101 and the first connection joint surface 1102.

Incorporated by reference to Figure 14-16 and Figure 20-22, bottom cup holder body 12 includes bottom wall 121, the second mounting wall 122 and second channel Portion 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 Relatively.Bottom cup holder body 12 is formed with the first mounting groove 124.Specifically, bottom wall 121 and the second mounting wall 122 have been collectively formed One mounting groove 124.First mounting wall 112 be at least partially embedded the first mounting groove 124 and with the second mounting wall 122 at least partly Ground overlapping engagement, i.e., bottom cup lid body 11 is installed on bottom cup holder body 12 and is positioned partially in the first mounting groove 124.

Specifically, the first mounting wall 112 and the second mounting wall 122 are overlapped along 100 interior direction of burner engages (referring to the orientation of Fig. 5).In this way, during burner 100 heats or is cooling, the first mounting wall 112 and the second installation The junction of wall 122 can expand with heat and contract with cold and be further ensured that with preferable sealing performance, so that bottom cup lid body 11 is installed on The sealing performance of bottom cup holder body 12 is preferable.Bottom cup 10 is not easy gas leakage.Air and the combustion gas of flame projector 30 are not in this way will cause The amount of gaseous mixture is insufficient, then influences the normal work of burner 100.In one example, bottom cup 10 can be used cast aluminium and be made.

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 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 installation Finishing processing process can be used in the end face of wall 112, or the bottom wall 121 to connect with the first mounting wall 112 top surface portion 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 forms the second channel joint surface 12102 for being located at 1231 two sides of the second groove.First passage joint surface 1101 and second Channel engagement face 12102 engages.At least one of first passage joint surface 1101 and second channel joint surface 12102 are to use Finishing processing process mistake.Second channel portion 123 forms third and connects joint surface 12103.First connection 1102 He of joint surface Third connects joint surface 12103 and engages.Second connection joint surface 12101 connects joint surface 12103 with third and connects around bottom wall Slot 1211.Second connection joint surface 12101, that second channel joint surface 12102 connects joint surface 12103 with third 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 bottom cup through-hole 132 of connection primary air chamber 131.Air is entered by bottom cup through-hole 132 In primary air chamber 131, and realizes and mix in primary air chamber 131 with combustion gas.

Primary air cavity 13 includes annular element 133 and cavity body 134.Annular element 133 by bottom cup lid body 11 side Protrusion.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 Simultaneously primary air chamber 131 is collectively formed in the outer wall of cavity body 134.1331 connection primary air chamber 131 of opening.Cavity body 134 side opens up bottom cup through-hole 132.Wherein, the arc-shaped shape of the flat shape of annular element 133, the planar shaped of cavity body 134 The arc-shaped shape of shape.

For the ease of fixed and positioned, annular element 133 offers first positioning hole 1332.The top surface of cavity body 134 is convex Equipped with positioning column 1341.Positioning column 1341 is fixed in first positioning hole 1332 in 12 groups of bottom cup lid body 11 and bottom cup holder body Play the role of positioning and fixation during conjunction.

The side wall convex of primary air cavity 13 is equipped with the second location structure 135.Second location structure 135 includes first Support plate 1351 and the second support plate 1352.Wherein, the first support plate 1351 can be arc plate, and the second support plate 1352 can be Plate.Second support plate 1352 offers the second mounting hole 1353.

Nozzle carrier 20 is installed on the side of bottom cup 10.In order to facilitate the installation of and gas supply, nozzle carrier 20 are to be removably installed In the side wall of primary air cavity 13.Nozzle carrier 20 is located at the cup through-hole 132 of bottom and is configured to block or open bottom cup through-hole 132.Due to nozzle carrier 20 be it is dismountable, can be according to the demand of upper air inlet and lower air inlet, not for the matching of burner 100 Same nozzle carrier 20, when nozzle carrier 20 blocks bottom cup through-hole 132, burner 100 may be designed to upper inlet wind type burner, work as nozzle When seat 20 opens bottom cup through-hole 132, burner 100 may be designed to lower air inlet burner, or enter the wind burner up and down.Therefore, it fires The air inlet mode of burner 100 can be flexible and changeable in the case where low cost, adapts to different use environments.It should be noted that The manufacture of core pulling technique can be used in nozzle carrier 20.

Incorporated by reference to Figure 23-24, 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 bottom cup through-hole 132. When baffle 22 blocks bottom cup through-hole 132, baffle 22 fills bottom cup through-hole 132.It is convenient for blocking or opening bottom cup 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, with fixed nozzle seat 20, and is easily installed and fool proof.Mounting plate 24 is arranged on intake section 21. Wherein, preferably, at least two above-mentioned directions include orthogonal both direction.It is appreciated that in other embodiment In, baffle can also directly overlay the wall outer surface of primary air chamber 131, can also realize that baffle blocks bottom cup through-hole in this way 132.In addition, in other embodiments, nozzle carrier can omit baffle, the burner of lower air inlet can also be realized, in such case Under, it is understood that it is that the height of baffle is 0.

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 the first passage 211 and second channel 212 being sequentially communicated along airintake direction (as shown in the dotted arrow of Fig. 5).The One channel 211 has the first air inlet center z along the airintake direction of intake section 21.Second channel 212 is along the air inlet side of intake section 21 To with the second air inlet center g.First air inlet center z and the second air inlet center g eccentric setting.Wherein, first passage 211 and It two channels 212 can be in column of rule, such as cylindrical or elliptical cylinder-shape etc..In addition, first passage 211 and second channel 212 It can be formed by mold, can guarantee the concentricity in each channel in this way.It should be noted that due to the air-flow base in intake section 21 Static pressure in sheet, 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 gas outlet of second channel 212, and make first jet and Injection channel 101 is 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 second into Tracheae 214 is set for the eccentric.The first air inlet pipe 213 may make to be arranged on the lower relative to the second air inlet pipe 214, in this way to vacate spray The upper space of mouth seat 20, so as to there is sufficient space to carry out plate placement.In addition, the second air inlet pipe 214 can be by the first support Plate 1351 is supported to position.

First passage 211 is than second channel 212 closer to the inlet end 201 of intake section 21.The cross section of first passage 211 Size is greater than the cross sectional dimensions of second channel 212.For example, if first passage 211 and second channel 212 are rounded, first The radius in channel 211 is greater than the radius of second channel 212；If first passage 211 and second channel 212 are square, first is logical The cross-sectional area in road 211 is greater than the cross-sectional area of second channel 212.

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 22-24, 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.

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 corresponding connections.Second mounting groove 242 and the second mounting hole 1353 are used for 20 He of nozzle carrier for fixing piece (not shown go out) Bottom cup 10 is fixed to be used.Wherein, the second mounting groove 242 can be U-type groove.

Incorporated by reference to Fig. 1 and Figure 25-27, flame projector 30 is installed on bottom cup lid body 11.In the present embodiment, flame projector 30 It is installed on 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), can fill in this way Divide the installation space using roof 111, and makes the more compact structure of the entirety of burner 100.In fixed liquid-bearing pan, can make tight Firmware wear the second location hole 1103 of liquid-bearing pan and bottom cup lid body 11 and be fixed in the fixation hole 1201 of bottom cup holder body 12 with Fixed liquid-bearing pan, bottom cup lid body 11 and bottom cup holder body 12 simultaneously, the anchor point and bottom of at this moment bottom cup lid body 11 and liquid-bearing pan cooperation Cup lid body 11 is consistent with the locating point position that bottom cup holder body 12 cooperates, and can guarantee the reliability of integral sealing in this way, reduces simultaneously Hole location process and assembly process realize 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 third center k and second Heart y may also deviate from being arranged.

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 Flat shape be arc-shaped and when the flat shape of primary air cavity 13 is arc-shaped, where the plane of flame projector 30 Circle 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 the mixed of combustion gas and air in this way It closes.When outer ring gas outlet 1141 is arc-shaped, the center of the plane where outer ring gas outlet 1141 and the third of flame projector 30 Center k overlapping, so that the flow resistance for entering the mixed gas of flame projector 30 from outer ring gas outlet 1141 is less.

Pressure-releasing chamber 303 is formed in bottom cup 10.The combustion gas and air that interface channel 102 and injection channel 101 collectively form Mixed-gas channel 39 and pressure-releasing chamber 303 be respectively positioned on the joint 381 on the first joint surface 110 and the second joint surface 1210 Two sides.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 are spaced.By It is located at the two of the joint 381 on the first joint surface 110 and the second joint surface 1210 in mixed-gas channel 39 and pressure-releasing chamber 303 Side, in this way after the engaged place 381 of mixed gas that mixed-gas channel 39 occurs in bottom cup 10 leaks to pressure-releasing chamber 303, mixing Gas can be leaked to 10 top of bottom cup by pressure relief opening 3031, and can be consumed by the burning of flame projector 30 of 10 top of bottom cup, be avoided Or reduce because bottom cup 10 gas leakage due to caused by accident.Meanwhile the setting of pressure-releasing chamber 303 can also reduce the entirety of bottom cup 10 Weight.For the ease of being arranged and cleaning, first passage portion 113 opens up pressure-releasing chamber 303, that is to say, that the upper table of bottom cup lid body 211 Face 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, may make the root of fire hole 32 arc-shaped, example As arc-shaped, process so also more convenient.In order to improve the stability that flame projector 30 passes fire, flame projector 30 includes surrounding combustion gas The side wall 301 of mixing chamber 31.The side of side wall 301 opens up spaced multiple fire holes 32, the side between two neighboring fire hole 32 The position top surface of wall 301 offers fiery slot 302.Fiery slot 302 is connected to combustion gas mixing chamber 31 and two neighboring fire hole 32.Also, When t shape is arranged in fiery slot 302, flame projector 30 passes the stability of fire more preferably.It below will be further to the specific of flame projector 30 Structure is illustrated.

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 injection channel 101.Incorporated by reference to Figure 11, burner 100 offer the second secondary air duct 341 through 34 middle part of inner ring cavity.The second secondary connection of air duct 341 first Secondary-air passage 115.Secondary air ability is can guarantee in this way.Outer combustion gas mixing chamber 311 be 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. 8-11, combustion gas can sequentially enter the first passage 211 and second channel of intake section 21 212 (as shown in the dotted arrows of Fig. 5).Then, combustion gas can be sprayed by first jet to primary air chamber 131.Meanwhile it is extraneous empty Gas can enter in primary air chamber 131 via bottom cup through-hole 132, and realize and mix in primary air chamber 131 with combustion gas.Combustion gas Enter injection channel 101 with the mixed gaseous mixture of air, and injection is distinguished to the first interface channel 1021 by injection channel 101 With the second interface channel 1022 (as shown in Fig. 9 dotted arrow).Then, by the first interface channel 1021 come out gaseous mixture via Outer ring gas outlet 1141 enters outer combustion gas mixing chamber 311 for burning, to form outer ring flame in outer ring fire hole 321.By second The gaseous mixture that interface channel 1022 comes out enters interior combustion gas mixing chamber 312 for burning, with inside via inner ring gas outlet 1142 Ring fire hole 322 forms interior ring flame.Outside air can by the first secondary-air passage 115 and second secondary air duct 341 into Enter 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 offers 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, and the 4th location structure 342 offers locating piece 343.

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.It is fixed Position block 344 is connected between two first connecting portions 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.

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 illustrated embodiment, baffle 38 is connected to the inside of outer ring cavity 33.Into One step, baffle 38 connect the inside of first connecting portion 35 and outer ring cavity 33, can avoid baffle 38 in this way in 100 work of burner It is deformed when making because of high temperature.Fire cover 40 includes external ring fire cover 41 and interior ring fire cover 42.The lid of external ring fire cover 41 sets outer ring cavity 33.The interior lid of ring fire cover 42 sets inner ring cavity 34.External ring fire cover 41 and interior ring fire cover 42 are spaced apart.It opens at the middle part of interior ring fire cover 42 Equipped with interior ring fire cover through-hole 421.Interior ring fire cover through-hole 421 is connected to second secondary air duct 341.

Figure 27-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.One Burner 100 of the set-up mode of secondary 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.Bottom cup holder body 212 is formed with the first mounting groove 2124.Specifically, bottom wall 2121 and second mounting wall 2122 the first mounting groove 2124 has been collectively formed.First mounting wall 2112 is at least partially embedded One mounting groove 2124 and with the second mounting wall 2122 at least partly it is Chong Die engagement.

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 installed on roof 2111.Flame projector 230 is formed with outer ring fire hole 2301 and inner ring fire hole 2302.Spray Mounting means of the firearm 30 on bottom cup 210 can refer to the burner 100 of the utility model above embodiment, such as flame projector 230 and bottom cup 210 eccentric setting can be used.The structure and set-up mode of outer ring fire hole 2301 can refer to the above-mentioned reality of the utility model Apply the burner 100 of mode.The structure and set-up mode of inner ring fire hole 2302 can refer to the utility model above embodiment Burner 100.

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 injection channel 201, and injection is distinguished to interface channel 202 by injection channel 201.Then, by connecting The gaseous mixture that channel 202 comes out enters outer combustion gas mixing chamber 2331 via gas outlet 2114 for burning.Meanwhile second air inlet it is logical Combustion gas in road 222 is sprayed via inner ring air inlet pipe 270 and by third nozzle 271, and is mixed with air realization.Combustion gas and air Mixed gaseous mixture enters the second injection channel 2340, and by 2340 injection of the second injection channel to interior combustion gas mixing chamber 2341 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.The lid of external ring fire cover 241 sets outer ring cavity 233.Interior ring fire The lid of lid 242 sets 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 knot Structure.

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 (14)

1. a kind of bottom cup of burner characterized by comprising

Bottom cup lid body, the bottom cup lid body include roof and the first mounting wall, and the roof offers gas outlet, first peace Wall projection is filled in the roof；

Bottom cup holder body, the bottom cup lid body are installed on the bottom cup holder body, and 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 Be collectively formed mounting groove, first mounting wall be at least partially embedded the mounting groove and with second mounting wall at least Partly overlapping engagement, offers the injection channel with Venturi effect in the cup of the bottom, described in the injection channel connection Gas outlet.

2. the bottom cup of burner as described in claim 1, 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.

3. the bottom cup of burner as claimed in claim 2, which is characterized in that the end face of first mounting wall and the bottom wall Top surface connect.

4. the bottom cup of burner as described in claim 1, 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 Face, first joint surface and the second engagement face bonding.

5. the bottom cup of burner as claimed in claim 4, which is characterized in that first joint surface and second joint surface At least one of be using finishing processing process mistake.

6. the bottom cup of burner as described in claim 1, which is characterized in that the first interface channel is offered in the bottom cup, The gas outlet includes outer ring gas outlet, and first interface channel connects the outlet side in the injection channel and the outer ring goes out Port.

7. the bottom cup of burner as claimed in claim 6, which is characterized in that the outer ring gas outlet includes spaced the One outer ring gas outlet and the second outer ring gas outlet, first interface channel include that the first sub- interface channel and the second son connection are logical Road, the first sub- interface channel and the second sub- interface channel are connected to the outlet side two sides in the injection channel, First sub- interface channel connection first outer ring gas outlet and the injection channel, the second sub- interface channel connection Second outer ring gas outlet and the injection channel.

8. the bottom cup of burner as claimed in claim 7, which is characterized in that the gas outlet includes inner ring gas outlet, described Inner ring gas outlet includes spaced first inner ring gas outlet and the second inner ring gas outlet, offers the second company in the bottom cup Road is connected, second interface channel includes the sub- interface channel of third and the 4th sub- interface channel, the sub- interface channel of third It is connected to the described first sub- interface channel and first inner ring gas outlet, the 4th sub- interface channel connection second son is even Connect road and second inner ring gas outlet, the institute between first inner ring gas outlet and second inner ring gas outlet The top surface position for stating roof is formed with secondary-air passage.

9. the bottom cup of burner as claimed in claim 8, which is characterized in that the top surface position of the roof is formed with positioned at institute State the location structure of secondary-air passage.

10. the bottom cup of burner as described in claim 1, which is characterized in that the bottom cup is provided with primary air cavity, institute The projection of primary air cavity is stated in the side of at least one of the bottom cup lid body and the bottom cup holder body, the primary air Cavity offers the primary air chamber for being connected to the injection channel.

11. the bottom cup of burner as claimed in claim 10, which is characterized in that in the bottom cup lid body and the bottom cup holder body At least one there is the first center, the primary air cavity has the second center, in first center and described second Heart eccentric setting.

12. a kind of burner, which is characterized in that the bottom including flame projector and the described in any item burners of claim 1-11 Cup, the flame projector are arranged on the bottom cup lid body.

13. burner as claimed in claim 12, which is characterized in that in the bottom cup lid body and the bottom cup holder body at least One has the first center, and the flame projector has third center, the third center and first center eccentric setting.

14. a kind of gas cooker, which is characterized in that including the described in any item burners of claim 12-13.