CN215175044U

CN215175044U - Furnace end subassembly, combustor and gas cooking utensils

Info

Publication number: CN215175044U
Application number: CN202121241696.9U
Authority: CN
Inventors: 史振京; 谭争鸣
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-14
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a furnace end component, a burner and a gas cooker, relating to the technical field of burners, wherein the furnace end component comprises a furnace end body, an injection pipe, a control valve and a connecting component; the injection pipe is connected with the furnace end body, and the air inlet end of the injection pipe is provided with a mounting seat; the control valve is provided with a nozzle which is communicated with the air inlet end; adapting unit and mount pad fixed connection, adapting unit is including dismantling the first connecting piece and the second connecting piece of connection, and first connecting piece forms the fixed knot who is used for fixing a position the nozzle with the second connecting piece cooperation. The utility model discloses a first connecting piece and second connecting piece cooperation installation form fixed knot and construct, and fixed knot constructs the nozzle location locking of control valve in the inlet end of drawing the injection pipe, can improve the nozzle and draw the installation accuracy between the injection pipe, makes the nozzle and draws the injection pipe between two parties, improves furnace end assembly draw and penetrates the performance.

Description

Furnace end subassembly, combustor and gas cooking utensils

Technical Field

The utility model relates to a combustor technical field, in particular to furnace end subassembly, combustor and gas cooking utensils.

Background

In the related art, the burner includes a burner head and a fire cover, and the fire cover is disposed on the burner head. The furnace end is provided with an injection pipe, the injection pipe injects mixed gas of fuel gas and air to the gas distribution channel and then leads to each fire hole of the fire cover, and the mixed gas is ignited to form flame.

The traditional furnace end is widely molded by casting iron or aluminum, so that the injection port of the injection pipe is of an integral structure. Because a gap exists between the nozzle and the injection port, the position of the nozzle and the injection pipe needs to be adjusted repeatedly when the nozzle and the injection pipe are installed, and the adjustment difficulty is high; and the eccentricity of the nozzle and the injection pipe can cause the injection performance of the furnace end to be reduced, and the performance parameters of the combustor are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a furnace end assembly can guarantee the nozzle and draw the installation accuracy between the injection pipe, improves and draws and penetrates the performance.

The utility model also provides a combustor with above-mentioned furnace end subassembly.

The utility model also provides a gas cooking utensils of having above-mentioned combustor.

According to the utility model discloses furnace end assembly of first aspect embodiment includes: a furnace end body; the injection pipe is connected with the furnace end body, and a mounting seat is arranged at the air inlet end of the injection pipe; the control valve is provided with a nozzle which is communicated with the air inlet end; the connecting part is connected with the mounting seat and comprises a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are matched to form a fixing structure for positioning the nozzle.

According to the utility model discloses furnace end assembly has following beneficial effect at least:

through the integrated configuration that sets up mount pad and adapting unit at the inlet end of drawing the pipe, adapting unit is including dismantling first connecting piece and the second connecting piece of connection, forms fixed knot through first connecting piece and second connecting piece cooperation installation, and fixed knot constructs the nozzle location locking of control valve in the inlet end of drawing the pipe, can improve the nozzle and draw the installation accuracy between the pipe, makes the nozzle with draw and penetrate the pipe between two parties, improves furnace end assembly's drawing and penetrates the performance. And adopt split type adapting unit, can adapt to furnace end assembly's automatic installation requirement, promote assembly efficiency.

According to some embodiments of the utility model, draw and penetrate the pipe including outer loop draws and penetrates pipe and inner loop and draw and penetrate the pipe, first connecting piece includes two first connecting portions that the interval set up, the second connecting piece includes two second connecting portions that the interval set up, one of them first connecting portion with correspond the cooperation of second connecting portion forms and is located the outer loop draws penetrates the pipe fixed knot constructs, another first connecting portion with another that corresponds the cooperation of second connecting portion forms and is located the inner loop draws penetrates the pipe fixed knot construct.

According to some embodiments of the utility model, first connecting piece still include with mount pad fixed connection's first installation department, two first connecting portion connect respectively in the both sides of first installation department, first connecting portion with mount pad location is connected.

According to some embodiments of the invention, the first mounting portion is fixedly connected to the mounting base by a fastener; the first connecting portion is provided with one of a positioning hole and a positioning column which are matched in a positioning mode, and the outer ring injection pipe or the inner ring injection pipe is provided with the other one of the positioning hole and the positioning column.

According to some embodiments of the utility model, first connecting portion orientation the one end of second connecting portion is equipped with the recess, the diapire of recess be equipped with the first arc portion of the outer wall laminating of nozzle, the second connecting portion orientation the one end of first connecting portion be equipped with the second arc portion of the outer wall laminating of nozzle, first arc portion with second arc portion forms fixed knot constructs.

According to some embodiments of the present invention, the second arc portion is accommodated in the groove, and the side wall of the second connecting portion is in clearance fit with the side wall of the groove.

According to some embodiments of the utility model, the mount pad is equipped with first boss, first boss with first installation department location is connected.

According to some embodiments of the utility model, the second connecting piece still includes the second installation department, two the second connecting portion connect respectively in the both sides of second installation department, the second installation department with first boss fixed connection.

According to some embodiments of the utility model, first boss is equipped with the fixture block, the second installation department be equipped with fixture block location complex draw-in groove.

According to some embodiments of the utility model, the second connecting piece is equipped with the second boss, the second boss with first connecting portion location is connected.

According to some embodiments of the utility model, the both sides of mount pad are equipped with first location strip respectively, first location strip with the upper end location of first connecting portion is connected.

According to some embodiments of the utility model, the both sides of mount pad are equipped with the second location strip respectively, the second location strip with the lateral wall location of first connecting portion is connected.

According to some embodiments of the invention, the second connecting piece with the first connecting piece can be dismantled and be connected.

According to some embodiments of the utility model, draw penetrate the pipe with the connection can be dismantled to the furnace end body, draw penetrate the terminal surface of the end of giving vent to anger of pipe with be equipped with the gasket between the terminal surface of the air inlet of furnace end body.

According to the utility model discloses burner of second aspect embodiment, including the furnace end subassembly of above embodiment.

According to the utility model discloses combustor has following beneficial effect at least:

adopt the furnace end subassembly of the first aspect embodiment, the furnace end subassembly sets up the integrated configuration of mount pad and adapting unit through the inlet end drawing the pipe, adapting unit is including first connecting piece and the second connecting piece that can dismantle the connection, form fixed knot through first connecting piece and second connecting piece cooperation installation, fixed knot constructs the nozzle location locking of control valve in drawing the inlet end of drawing the pipe, can improve the nozzle and draw the installation accuracy who draws between the pipe, make the nozzle with draw and penetrate the pipe between two parties, improve the drawing of furnace end subassembly and penetrate the performance. And adopt split type adapting unit, can adapt to furnace end assembly's automatic installation requirement, promote assembly efficiency.

According to the third aspect embodiment of the utility model, the gas cooker comprises the burner of the above embodiment.

According to the utility model discloses gas cooking utensils, following beneficial effect has at least:

adopt the combustor of the embodiment of the second aspect, the combustor sets up the integrated configuration of mount pad and adapting unit through the inlet end of drawing the pipe at furnace end subassembly, adapting unit is including first connecting piece and the second connecting piece that can dismantle the connection, form fixed knot through first connecting piece and second connecting piece cooperation installation, fixed knot constructs the nozzle location locking of control valve in drawing the inlet end of penetrating the pipe, can improve the nozzle and draw the installation accuracy between the pipe, make the nozzle with draw penetrate the pipe between two parties, improve furnace end subassembly draw and penetrate the performance. And adopt split type adapting unit, can adapt to furnace end assembly's automatic installation requirement, promote assembly efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view of a burner assembly according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic structural view of a burner assembly according to an embodiment of the present invention, in which the control valve is removed;

FIG. 4 is an exploded view of the eductor tube and connecting member of FIG. 3;

FIG. 5 is a cross-sectional view of FIG. 3;

FIG. 6 is an enlarged cross-sectional view of FIG. 5;

fig. 7 is an exploded view of a burner assembly according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a burner assembly according to an embodiment of the present invention;

fig. 9 is an enlarged view of a portion a in fig. 8.

Reference numerals:

a burner assembly 1000;

a furnace end body 100; an outer annular air mixing chamber 110; an inner annular gas mixing chamber 120; an air inlet 130;

an ejector tube 200; an air intake end 210; a mount 220; a first boss 221; a latch 222; a first positioning bar 223; a second positioning bar 224; a positioning post 230; an air outlet end 240; a protrusion 241; a gasket 250; an outer ring ejector tube 260; an inner annular ejector tube 270;

a control valve 300; a nozzle 310; a mounting groove 311; a retainer ring 320; a damper spring 330; a damper panel 340; a register plate 350;

a connecting member 400; a first connecting member 410; a first connection portion 411; a first mounting portion 412; positioning holes 413; a recess 414; a first arc-shaped portion 415; a second connector 420; a second connection portion 421; a second mounting portion 422; a second arc portion 423; a card slot 424; a second boss 425; a securing structure 430.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the burner according to an embodiment of the present invention is applied to a gas cooker. Wherein the combustor of this embodiment includes furnace end subassembly 1000 and fire lid, and furnace end body 100 is located to the fire lid, and the fire lid is equipped with a plurality of fire holes. In the related art, the injection pipe 200 of the burner assembly 1000 injects the mixed gas of the gas and the air to the gas mixing cavity of the burner body 100, and then the mixed gas is conveyed to the fire hole corresponding to the fire cover through the gas mixing cavity, and finally the mixed gas is ignited to form flame by striking fire, so that the heating function of the burner is realized.

In the traditional combustor, the furnace end body 100 and the injection pipe 200 are generally formed by casting cast iron or aluminum, and the injection port of the injection pipe 200 is of an integral structure. In order to meet the requirement of burner assembly, a certain gap exists between the nozzle 310 and the injection port, so that the problem of eccentricity of the nozzle 310 and the injection pipe 200 exists, the injection performance is reduced, and the product performance problem is brought. When the burner block 1000 is installed, the alignment process of the nozzle 310 and the injection pipe 200 is complex, and the alignment is not easy, so that the position needs to be adjusted repeatedly, and the assembly and adjustment difficulty is high. And the position adjustment can only be carried out manually, so that automatic installation cannot be realized, the labor intensity is high, and the assembly efficiency is low.

Referring to fig. 1 and 2, a burner assembly 1000 according to an embodiment of the present invention includes a burner body 100, an injection pipe 200, and a control valve 300. When the burner assembly 1000 of the present embodiment is used in a two-ring burner, the burner body 100 is generally provided with an outer ring air mixing chamber 110 and an inner ring air mixing chamber 120, the ejector pipe 200 includes an outer ring ejector pipe 260 and an inner ring ejector pipe 270, and the control valve 300 includes two nozzles 310. The outer ring ejector pipe 260 and the inner ring ejector pipe 270 are respectively connected to corresponding positions of the furnace end body 100, the outer ring ejector pipe 260 is communicated with the outer ring air mixing cavity 110, the inner ring ejector pipe 270 is communicated with the inner ring air mixing cavity 120, and the two nozzles 310 are respectively communicated with the air inlet end 210 of the outer ring ejector pipe 260 and the air inlet end 210 of the inner ring ejector pipe 270.

As another embodiment, when the burner assembly 1000 of the present embodiment is used in a single ring burner, the burner assembly 1000 includes a burner body 100 having a gas mixing chamber, an injection pipe 200 and a control valve 300 having a nozzle 310, the injection pipe 200 is connected to the burner body 100, and the nozzle 310 is communicated with the gas inlet end 210 of the injection pipe 200.

As another embodiment, it is understood that the burner assembly 1000 may also be a burner assembly 1000 for a three-ring burner or a burner with more ring stages, and the structure thereof may be referred to the above two embodiments appropriately, so that the details are not repeated herein to avoid repetition.

Referring to fig. 3, the burner assembly 1000 according to the embodiment of the present invention further includes a connecting member 400. The connection member 400 is used to fixedly mount the nozzle 310 to the air inlet end 210 of the injection pipe 200. The injection pipe 200 is provided with a mounting seat 220, and the connection member 400 is connected to the mounting seat 220. It can be understood that the mounting seat 220 is located at the air inlet end 210 of the ejector tube 200, and the mounting seat 220 can be fixedly connected with the ejector tube 200 by integral molding, such as die-casting; the connection with the injection pipe 200 may also be achieved by other fastening methods, which are not limited in detail herein.

Referring to fig. 4, the connection member 400 includes a first connection member 410 and a second connection member 420.

The first connector 410 and the second connector 420 are of a step-and-step installation structure. The first connector 410 may be detachably connected to the mounting base 220, and the second connector 420 may be detachably connected to the first connector 410 or the mounting base 220.

As another example, the second connector 420 may be detachably connected to the mounting base 220, and the first connector 410 may be detachably connected to the second connector 420.

Referring to fig. 5 and 6, the first connector 410 and the second connector 420 cooperate to form a fixing structure 430, the fixing structure 430 is disposed at the air inlet end 210 of the injection pipe 200, and the fixing structure 430 is used for positioning the nozzle 310. Therefore, the injection pipe does not need to adopt an assembly structure of an injection port. It should be noted that, when the furnace end assembly 1000 is provided with two injection pipes 200 and two nozzles 310, the connecting part 400 is formed with two fixing structures 430 respectively located at the air inlet ends 210 of the two injection pipes 200, the two fixing structures 430 are respectively used for positioning the corresponding nozzles 310, thereby realizing stable connection and alignment of the two nozzles 310, the two fixing structures 430 are formed by matching the first connecting piece 410 and the second connecting piece 420, the first connecting pieces 410 of the two fixing structures 430 can be of an integrated structure, the second connecting pieces 420 of the two fixing structures 430 can be of an integrated structure, thereby facilitating positioning and installation of the nozzles 310. Of course, both the first connectors 410 and the second connectors 420 may be a split structure, thereby forming two independent fixing structures 430.

In addition, it can be understood that, when the burner assembly 1000 is provided with an injection pipe 200 and a nozzle 310, the first connector 410 and the second connector 420 of the connecting member 400 cooperate to form a fixing structure 430 for positioning and installing the nozzle 310, thereby achieving stable connection and alignment of the nozzle 310.

Referring to fig. 4, 5 and 6, it can be understood that the fixing structure 430 is formed as a fixing hole through which the nozzle 310 is inserted, and the first and

second connectors

410 and 420 are respectively clamped to the outer wall of the nozzle 310, thereby fixing the nozzle 310 in the fixing hole. In this embodiment, by setting the installation positions of the first connecting piece 410 and the second connecting piece 420, the fixing structure 430 can better align the center of the nozzle 310 with the center of the injection pipe 200, that is, the center of the nozzle 310 coincides with the center of the injection pipe 200, so that the installation accuracy between the nozzle 310 and the injection pipe 200 can be improved, and the injection performance of the burner assembly 1000 can be improved. In addition, as another embodiment, the fixing structure 430 may be formed in a hole-like structure, for example, a part of the inner wall abuts against the outer wall of the nozzle 310, and the other part does not abut against the outer wall of the nozzle 310 and communicates with the air inlet end 210 of the injection pipe 200. For example, referring to fig. 6, the fixing structure 430 may be formed of two second connectors 420 that are vertically symmetrical, i.e., the first connector 410 is configured to be vertically symmetrical with the second connectors 420.

Moreover, the connection member 400 adopts a structure in which the first connection member 410 and the second connection member 420 are separately installed, one of the first connection member 410 and the second connection member 420 may be connected with the installation base 220, then the nozzle 310 is installed, and then the other of the first connection member 410 and the second connection member 420 is installed, so that the nozzle 310 is locked to the fixing structure 430 formed by the first connection member 410 and the second connection member 420, which can adapt to the automatic installation requirement of the burner assembly 1000 and improve the assembly efficiency. The problem that the position of the burner assembly 1000 of a related product needs to be adjusted repeatedly by manual operation due to the fact that the alignment process of the nozzle 310 and the injection pipe 200 is complex and the alignment is not easy to achieve when the burner assembly is installed is solved.

Referring to fig. 6, the first link 410 and the second link 420 may be arranged in the up-down direction in fig. 6, or may be arranged in the left-right direction in fig. 6. The first connecting piece 410 and the second connecting piece 420 lock the nozzle 310 on the mounting base 220 along the vertical direction or the left-right direction, so that the mounting accuracy of the first connecting piece 410 and the second connecting piece 420 is improved, the centering accuracy of the nozzle 310 and the injection pipe 200 is ensured, and the injection performance of the burner assembly 1000 is improved.

Referring to fig. 3 and 4, in the furnace end assembly 1000 according to an embodiment of the present invention, two injection pipes 200 are provided. The two injection pipes 200 are respectively an outer ring injection pipe 260 and an inner ring injection pipe 270 which are arranged at intervals. The air inlet pipe of the outer ring injection pipe 260 and the air inlet end 210 of the inner ring injection pipe 270 are provided with a mounting seat 220, and the mounting seat 220 is connected with the outer ring injection pipe 260 and the inner ring injection pipe 270.

Referring to fig. 6, the first connector 410 is coupled to a lower end of the mounting block 220, and the second connector 420 is coupled to an upper end of the mounting block 220. The first connecting member 410 is provided with two first connecting portions 411, and the two first connecting portions 411 are respectively arranged at the air inlet end 210 of the outer ring injection pipe 260 and the air inlet end 210 of the inner ring injection pipe 270. The second connecting member 420 is provided with two second connecting portions 421, and the two second connecting portions 421 are respectively provided at the air inlet end 210 of the outer ring injection pipe 260 and the air inlet end 210 of the inner ring injection pipe 270.

It can be understood that the air inlet end 210 of the outer ring ejector tube 260 is provided with a fixing structure 430 formed by the first connection portion 411 and the second connection portion 421. The air inlet end 210 of the inner-ring ejector pipe 270 is also provided with a fixing structure 430 formed by matching the first connecting portion 411 with the second connecting portion 421. Therefore, the outer ring injection pipe 260 and the inner ring injection pipe 270 can be used for positioning and installing the nozzle 310 through a fixing structure 430 respectively, so that the centering precision of the nozzle 310 and the injection pipe 200 is ensured, and the injection performance of the furnace end assembly 1000 is improved.

Referring to fig. 4 and 6, it can be understood that the first connecting member 410 is further provided with a first mounting portion 412, the first mounting portion 412 is connected with the mounting base 220 through a screw, and a screw hole is formed at a position where the mounting base 220 is matched with the screw.

The first mounting portion 412 may also be fixedly connected to the mounting base 220 by a fastener such as a rivet, so as to facilitate the first connecting member 410 and the mounting base 220 to achieve a stable mounting engagement. Of course, the first mounting portion 412 may also be fixedly connected to the mounting base 220 by clamping, welding, or the like.

In this embodiment, the two first connecting portions 411 are respectively connected to two sides of the first mounting portion 412, and the two first connecting portions 411 and the first mounting portion 412 are an integral piece, so as to realize stable connection between the first mounting portion 412 and the mounting base 220.

In order to further improve the mounting stability of the first connecting member 410 and the mounting seat 220, one end of the first connecting portion 411 connected to the first mounting portion 412 is connected to the mounting seat 220 in a positioning manner. The first mounting portion 412 and the two first connecting portions 411 are respectively connected to the mounting base 220, so that the mounting stability of the first connecting piece 410 and the mounting base 220 is further improved, and the assembling efficiency and the assembling accuracy of the first connecting piece 410 and the mounting base 220 are improved.

Referring to fig. 4, it can be understood that the two first connecting portions 411 are respectively provided with positioning holes 413, correspondingly, the outer ring injection pipe 260 is provided with positioning pillars 230 matched with the corresponding positioning holes 413 in a positioning manner, and the inner ring injection pipe 270 is provided with positioning pillars 230 matched with the corresponding positioning holes 413.

The embodiment can facilitate the positioning and installation of the first installation part 412 and the installation seat 220, and improve the assembly efficiency of the first connecting piece 410 and the installation seat 220. It should be noted that, as another embodiment, the two first connecting portions 411 are respectively provided with positioning pillars 230, and the positions corresponding to the outer ring injection pipe 260 and the inner ring injection pipe 270 are respectively provided with positioning holes 413 which are in positioning fit with the positioning pillars 230. It is understood that the first connection portion 411 and the injection pipe 200 may be located in other manners, for example, the first connection portion 411 is located on the mounting seat 220, and the specific form is not limited herein.

Referring to fig. 6, it can be understood that the first connection portion 411 is provided with a groove 414, and the opening of the groove 414 faces the second connection portion 421. The bottom wall of recess 414 is equipped with first arc portion 415, and first arc portion 415 and the outer wall laminating of nozzle 310 to can wrap up nozzle 310 in recess 414, thereby realize the stable location of nozzle 310, and then when being convenient for the installation of second connecting piece 420, second connecting portion 421 can accurately lock the mounted position of nozzle 310. It should be noted that the groove 414 is configured as a U-shaped slot, which can facilitate guiding the nozzle 310 into the groove 414. Also, the U-shaped groove can wrap around half of the circumference of the outer wall of the nozzle 310, thereby better positioning the nozzle 310.

The second connecting portion 421 has a second arc portion 423, and the second arc portion 423 is attached to the outer wall of the nozzle 310. The second arc portion 423 faces one end of the first connection portion 411. Second arc portion 423 and the cooperation of first arc portion 415 to the stable positioning to nozzle 310 is guaranteed that nozzle 310 centers on the setting for drawing and penetrate pipe 200, improves the effect of drawing of furnace end subassembly 1000.

Referring to fig. 4 and 6, it can be understood that at least a portion of the second arc portion 423 is received in the groove 414, so that the second connecting portion 421 is guided and installed in the groove 414, and thus the second arc portion 423 and the first arc portion 415 form a fixing structure 430 for positioning the nozzle 310. A mounting gap is formed between the side wall of the second connecting portion 421 and the side wall of the groove 414, that is, the side wall and the groove are in clearance fit, so that the furnace end assembly 1000 can be assembled automatically. In this embodiment, the side wall of the second connection portion 421 gradually inclines inward along a direction close to the second arc portion 423, that is, the side wall is an inverted trapezoid structure in fig. 6, so that the second connection portion 421 can be more easily guided into the groove 414, the installation of the connection member 400 is realized, and the assembly efficiency of the nozzle 310 is improved.

Referring to fig. 6, it can be understood that the mounting base 220 is provided with a first boss 221, the first boss 221 is located above the first mounting portion 412, and the first boss 221 can position the first mounting portion 412, so as to facilitate the alignment and mounting of the first connecting element 410; and further limits the movement of the first connector 410, so that the first connector 410 is more stably and reliably mounted on the mounting seat 220.

Referring to fig. 4 and 6, it can be appreciated that the second connector 420 further includes a second mounting portion 422. The two second connection portions 421 are respectively connected to two sides of the second mounting portion 422, and the two second connection portions 421 and the second mounting portion 422 are an integral piece. The second mounting portion 422 is fixedly connected to the first boss 221, so as to fix the second connector 420 to the mounting seat 220. The second mounting portion 422 is fixedly connected with the first boss 221 through fasteners such as screws, so that the mounting is more convenient, the connection is more tight, the second connecting piece 420 can be conveniently assembled along the vertical direction, and the automatic assembling efficiency is improved.

Referring to fig. 4, it can be understood that a latch 222 is disposed on a side of the first boss 221 facing the second connector 420, a slot 424 is disposed on a side of the second mounting portion 422 facing the first boss 221, and the latch 222 and the slot 424 are in positioning fit, so as to facilitate alignment and mounting of the second connector 420; and further restrict the movement of the second connector 420, so that the second connector 420 is more stably and reliably mounted on the mounting seat 220. It should be noted that, as another embodiment, the second mounting portion 422 is provided with the latch 222, and the first boss 221 is provided with the slot 424 matched with the latch 222 in a positioning manner, which can also achieve the above-mentioned effects.

Referring to fig. 6, it can be understood that the second connector 420 is provided with a second boss 425, and the second boss 425 is located between the second mounting portion 422 and the second connection portion 421.

The number of the second bosses 425 is two, and the two second bosses 425 are respectively positioned and connected with the upper end faces, located in the grooves 414, of the corresponding first connecting parts 411, so that the second connecting parts 420 and the first connecting parts 410 are positioned and installed, the structure of the connecting part 400 is more stable, and the installation accuracy of the nozzle 310 is ensured.

Referring to fig. 4 and 6, it can be understood that the first positioning bars 223 are respectively disposed at both sides of the mounting seat 220. The first positioning bar 223 may be formed by extending a part of the outer wall of the injection pipe 200 toward the control valve 300. First locating bar 223 is located the up end location of recess 414 with first connecting portion 411 and is connected, and first locating bar 223 sets up with first boss 221 interval, and first locating bar 223 can realize the location to first connecting piece 410, has improved the efficiency of the counterpoint and the installation of first connecting piece 410, has further restricted the degree of freedom of direction on first connecting piece 410 moreover for first connecting piece 410 and mount pad 220's connection is more reliable.

Referring to fig. 4 and 6, it can be understood that the second positioning bars 224 are respectively disposed at both sides of the mounting seat 220. The second positioning bar 224 may be formed by extending a portion of the outer wall of the injection pipe 200 toward the control valve 300. The two second positioning bars 224 are respectively connected with the two first connecting portions 411 in a positioning manner, so that the efficiency of alignment and installation of the first connecting piece 410 is improved, the degree of freedom in the left and right directions of the first connecting piece 410 is limited, and the first connecting piece 410 and the installation seat 220 are more reliably connected.

Referring to fig. 1 to 6, when the furnace end assembly 1000 of the embodiment of the utility model adopts automatic assembly, first connecting piece 410 with draw and penetrate the installation of pipe 200 after, furnace end body 100 with draw and penetrate pipe 200 and install earlier at cooking utensils drain pan (not shown in the figure), adopt the robot to install control valve 300 from the top down in drawing and penetrate pipe 200 again, install second connecting piece 420 in drawing and penetrate pipe 200 at last to put nozzle 310 in place, realize furnace end assembly 1000's assembly work.

As another embodiment, the first connector 410 and the second connector 420 are designed to be opposite to the above-described embodiment, that is, the first connector 410 is located at the upper end of the mounting seat 220, and the second connector 420 is located at the lower end of the mounting seat 220.

When the furnace end assembly 1000 is automatically assembled, the control valve 300 can be installed first, and then the injection pipe 200 is installed, and the installation steps of the first connecting piece 410 and the second connecting piece 420 are not changed.

As another example, it is understood that the first connector 410 and the second connector 420 are detachably connected. The first connector 410 may be connected to the first mounting portion 412 of the second connector 420 through the second mounting portion 422, thereby achieving a detachable connection therebetween. The function that this embodiment and above-mentioned embodiment can dismantle second installation department 422 and first boss 221 and be connected is similar, thereby all can realize that second connecting piece 420 and first connecting piece 410 lock and carry out fixed connection to nozzle 310 to guaranteed that nozzle 310 and induction pipe 200 are concentric, thereby promoted furnace end assembly 1000 draw and penetrated the performance. In addition, the second connecting member 410 may be detachably connected to the first connecting member 410 by other methods, which are not limited herein.

Referring to fig. 7, the injection pipe 200 is detachably connected to the burner body 100. The end of the injection pipe 200 facing the burner body 100 is provided with an air outlet end 240, the end of the burner body 100 facing the injection pipe 200 is provided with an air inlet 130, and the air outlet end 240 of the injection pipe 200 is detachably connected to the air inlet 130 of the burner body 100. The air outlet end 240 of the injection pipe 200 may be connected to the air inlet 130 of the burner body 100 by bolts, or by a snap connection, a rivet connection, or a pin connection. Through the design, when one of the injection pipe 200 or the furnace end body 100 is damaged, the damaged part can be detached and replaced, and the maintenance cost of the furnace end assembly 1000 is reduced.

The outer sidewall of the air outlet end 240 of the injection pipe 200 may be provided with a protrusion 241 extending along the circumferential direction thereof, and the protrusion 241 may be embedded into the inner sidewall of the air inlet 130 of the burner body 100.

When two injection pipes 200 are arranged, the inner diameter of the protrusion 241 of the outer ring injection pipe 260 is different from the inner diameter of the protrusion 241 of the inner ring injection pipe 270, so that the fool-proof design is realized, and the reverse installation of the injection pipe 200 and the furnace end body 100 is avoided.

A gasket 250 may be disposed on a contact surface between the injection pipe 200 and the burner body 100, so as to achieve a better sealing effect. The gasket 250 may be made of an aluminum sheet or other metal, and when the injection pipe 200 and the burner body 100 are press-fitted, the gasket 250 is pressed and deformed to seal a contact surface between the end surface of the air outlet end 240 of the injection pipe 200 and the end surface of the air inlet 130 of the burner body 100. An adhesive layer, such as silicone adhesive, may be further disposed on a contact surface between the injection pipe 200 and the burner body 100. The sealing surface between the injection pipe 200 and the furnace end body 100 is better in sealing performance, and the service life of the furnace end assembly 1000 is longer. In addition, the injection pipe 200 and the burner body 100 are manufactured separately, so that the process die is simpler, the assembly is more convenient, and the production cost is lower.

Referring to fig. 8 and 9, it can be understood that the fixing structure 430 enables the nozzle 310 to be fixed to the injection pipe 200, and enables the axis of the nozzle 310 to coincide with the axis of the injection pipe 200, so that the nozzle 310 is concentric with the injection pipe 200, thereby improving the injection performance of the burner assembly 1000.

Referring to fig. 8 and 9, the control valve 300 further includes a retainer 320, a damper spring 330, a damper plate 340 and an air adjusting plate 350, wherein an installation groove 311 is formed in an outer wall of the nozzle 310, and the retainer 320 is installed in the installation groove 311. When the control valve 300 is assembled with the injection pipe 200, the damper spring 330 is compressed first, the damper plate 340 and the air adjustment plate 350 are moved to the rear position of the nozzle 310, the nozzle 310 is inserted into the injection pipe 200, the damper spring 330 is released, and the damper plate 340 and the air adjustment plate 350 are pressed against the end surface of the connecting part 400, namely the air inlet end 210 of the injection pipe 200, by the damper spring 330. The retainer ring 320 is used for limiting the air adjusting plate 350 and the air adjusting plate 340 from moving out of the nozzle 310, and the outer diameter of the retainer ring 320 is larger than the inner diameter of the air adjusting plate 350 and the inner diameter of the air adjusting plate 340, so that the air adjusting plate 340 and the air adjusting plate 350 can be restrained from moving on the nozzle 310 only and cannot fall off from the nozzle 310.

The damper spring 330 is disposed on a side of the damper plate 350 away from the retainer 320, and the damper spring 330 abuts against the damper plate 350 to apply a thrust to the damper plate 350, so that the damper plate 350 and the damper plate 340 are pressed on the connecting member 400 to limit the axial movement of the damper plate 350 along the nozzle 310, thereby achieving the purpose of fixing the position. The air adjusting plate 350 is attached to the air flap plate 340 towards one side of the retainer ring 320, and the hole in the air adjusting plate 350 is matched with the hole in the air flap plate 340 to adjust the opening degree of the air door, so that the air adjusting plate 350 is combined with the air flap plate 340 to achieve the purpose of adjusting the air quantity.

Referring to fig. 1 to 9, the burner of an embodiment of the present invention includes a fire cover and the furnace end assembly 1000 of the above embodiment, wherein the fire cover is installed on the furnace end body 100. The utility model discloses the combustor adopts the furnace end subassembly 1000 of the first aspect embodiment, furnace end subassembly 1000 sets up the integrated configuration of mount pad 220 and adapting unit 400 through the inlet end 210 injecting tub 200, adapting unit 400 is including dismantling first connecting piece 410 and the second connecting piece 420 of connection, cooperate the installation to form fixed knot through first connecting piece 410 and second connecting piece 420 and construct 430, fixed knot constructs 430 and fixes a position the nozzle 310 of control valve 300 and lock in injecting tub inlet end 210 of 200, can improve nozzle 310 and inject the installation accuracy between tub 200, make nozzle 310 and inject tub 200 and be in the middle, improve the injection performance of furnace end subassembly 1000. And adopt split type adapting unit 400, can adapt to furnace end assembly 1000's automatic installation requirement, promote assembly efficiency.

Since the burner adopts all the technical solutions of the burner assembly 1000 of the above embodiment, at least all the beneficial effects brought by the technical solutions of the above embodiment are achieved, and no further description is provided herein.

Referring to fig. 1 to 9, the gas cooker of an embodiment of the present invention includes a bottom case of the cooker and the burner of the above embodiment, and the burner is installed on the bottom case of the cooker. The utility model discloses gas cooking utensils, adopt the combustor of the embodiment of the second aspect, the combustor sets up mount pad 220 and adapting unit 400's integrated configuration through the inlet end 210 that draws tub 200 at furnace end subassembly 1000, adapting unit 400 is including dismantling the first connecting piece 410 and the second connecting piece 420 of connection, cooperate the installation to form fixed knot through first connecting piece 410 and second connecting piece 420 and construct 430, fixed knot constructs 430 and fixes a position the nozzle 310 of control valve 300 and locks in drawing tub 200's inlet end 210, can improve nozzle 310 and draw the installation accuracy between tub 200, make nozzle 310 and draw tub 200 in the middle, improve furnace end subassembly 1000's drawing and penetrate the performance. And adopt split type adapting unit 400, can adapt to furnace end assembly 1000's automatic installation requirement, promote assembly efficiency.

Since the gas cooker adopts all technical solutions of the burner of the above embodiment, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Furnace end subassembly, its characterized in that includes:

a furnace end body;

the injection pipe is connected with the furnace end body, and a mounting seat is arranged at the air inlet end of the injection pipe;

the control valve is provided with a nozzle which is communicated with the air inlet end;

the connecting part is connected with the mounting seat and comprises a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are matched to form a fixing structure for positioning the nozzle.

2. The burner assembly of claim 1, wherein: draw and penetrate the pipe including outer loop and inner ring and draw and penetrate the pipe, first connecting piece includes two first connecting portions that the interval set up, the second connecting piece includes two second connecting portions that the interval set up, one of them first connecting portion with correspond the cooperation of second connecting portion forms and is located the outer loop draws penetrates the pipe fixed knot constructs, another first connecting portion with correspond another the cooperation of second connecting portion forms and is located the inner ring draws penetrates the pipe fixed knot construct.

3. The burner assembly of claim 2, wherein: the first connecting piece further comprises a first mounting part fixedly connected with the mounting seat, two first connecting parts are respectively connected to two sides of the first mounting part, and the first connecting parts are connected with the mounting seat in a positioning manner.

4. The burner assembly of claim 3, wherein: the first mounting part is fixedly connected with the mounting seat through a fastener; the first connecting portion is provided with one of a positioning hole and a positioning column which are matched in a positioning mode, and the outer ring injection pipe or the inner ring injection pipe is provided with the other one of the positioning hole and the positioning column.

5. The burner assembly of claim 3, wherein: the mount pad is equipped with first boss, first boss with first installation department location is connected.

6. The burner assembly of claim 5, wherein: the second connecting piece still includes the second installation department, two the second connecting portion connect respectively in the both sides of second installation department, the second installation department with first boss fixed connection.

7. The burner assembly of claim 6, wherein: the first boss is provided with a clamping block, and the second installation part is provided with a clamping groove matched with the clamping block in a positioning mode.

8. The burner assembly of claim 2, wherein: the first connecting portion orientation the one end of second connecting portion is equipped with the recess, the diapire of recess be equipped with the first arc portion of the outer wall laminating of nozzle, the second connecting portion orientation the one end of first connecting portion be equipped with the second arc portion of the outer wall laminating of nozzle, first arc portion with second arc portion forms fixed knot constructs.

9. The burner assembly of claim 8, wherein: the second arc-shaped part is accommodated in the groove, and the side wall of the second connecting part is in clearance fit with the side wall of the groove.

10. The burner assembly of claim 2, wherein: the second connecting piece is provided with a second boss, and the second boss is connected with the first connecting part in a positioning mode.

11. The burner assembly of claim 2, wherein: the two sides of the mounting seat are respectively provided with a first positioning strip, and the first positioning strips are connected with the upper end of the first connecting part in a positioning mode.

12. The burner assembly of claim 2, wherein: and second positioning strips are respectively arranged on two sides of the mounting seat and are connected with the side wall of the first connecting part in a positioning manner.

13. The burner assembly of claim 1, wherein: the second connecting piece is detachably connected with the first connecting piece.

14. The burner assembly of claim 1, wherein: the injection pipe is detachably connected with the furnace end body, and a gasket is arranged between the end face of the air outlet end of the injection pipe and the end face of the air inlet of the furnace end body.

15. A burner, characterized by: a burner assembly as claimed in any one of claims 1 to 14.

16. Gas cooking utensils, its characterized in that: comprising the burner of claim 15.