Outer fire cover, combustor and gas stove

Abstract

The utility model provides an outer fire cover, a burner and a gas stove, and the outer fire cover comprises a fire cover outer ring, a fire cover inner ring and a fire cover inner ring, the fire cover outer ring is provided with a first clamping part, the fire cover inner ring is provided with a second clamping part, the fire cover outer ring is arranged outside the fire cover inner ring in a sleeving mode, the second clamping part is matched with the first clamping part, the fire cover outer ring and the fire cover inner ring are connected, and the fire cover outer ring and the fire cover inner ring define an annular space; and fire holes communicated with the annular space are formed in the fire cover inner ring. And the fire cover inner ring and the fire cover outer ring are combined together through the first clamping part and the second clamping part, so that the assembly procedures of a user are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas -cooker technical field especially relates to a kind of outer fire cover, combustor and gas -cooker. BACKGROUND

[0002] The outer fire cover of gas -cooker is generally integral structure, material is single, preparation process is limited. The outer fire cover is divided into two parts, material selection is more flexible, and the diversity of preparation process can be realized. But the two parts of outer fire cover are easy to separate, increase the assembly procedure for user, and can cause incorrect assembly. SUMMARY

[0003] The utility model embodiment provides a kind of outer fire cover, combustor and gas -cooker, to at least solve the above part technical problems existing in prior art.

[0004] According to the first aspect of the utility model embodiment, provide a kind of outer fire cover, comprising:

[0005] fire cover outer ring, with first clamping portion on it;

[0006] fire cover inner ring, with second clamping portion on it, the fire cover outer ring is set on with the fire cover inner ring outer portion, the second clamping portion and the first clamping portion are mutually matched, connect the fire cover outer ring and the fire cover inner ring, the fire cover outer ring and the fire cover inner ring enclose an annular space, the fire cover inner ring has fire hole on it, which is communicated with the annular space.

[0007] In optional embodiment, one of the first clamping portion and the second clamping portion is groove, and the other is protrusion, the protrusion is embedded in the groove and connects the fire cover outer ring and the fire cover inner ring.

[0008] In optional embodiment, the protrusion is arranged on the fire cover inner ring, and the top surface of the protrusion gradually inclines downward along the direction close to the groove, forming a first guide surface.

[0009] In optional embodiment, the groove of the fire cover outer ring has a third guide surface below, which is matched with the first guide surface.

[0010] In optional embodiment, the protrusion is arranged on the fire cover inner ring, and the bottom surface of the protrusion gradually inclines upward along the direction close to the groove, forming a second guide surface.

[0011] In optional embodiment, the fire cover outer ring includes an outer ring wall and a top cover, the top cover is connected with the upper end of the outer ring wall, the first clamping portion is arranged on the inner circumferential surface of the top cover, the second clamping portion is arranged on the outer circumferential surface of the top of the fire cover inner ring, and the upper surface of the top cover is flush with the top surface of the fire cover inner ring.

[0012] Optionally, the outer periphery of the top of the inner ring of the fire cover has an annular boss, and the top cover abuts against the boss.

[0013] Optionally, the inner ring of the fire cover comprises a vertical section and an inclined section, the inclined section is connected to the top of the vertical section, and the diameter of the inclined section gradually increases from bottom to top.

[0014] Optionally, the intersection line between the top surface of the inner ring of the fire cover and the inner annular surface passes through the fire hole, so that the fire hole spans the intersection line and is partially located on the inner annular surface and partially located on the top surface.

[0015] Optionally, the outer ring of the fire cover is made of stainless steel material; and the inner ring of the fire cover is made of copper material.

[0016] According to a second aspect of the embodiments of the present application, a burner of a gas stove is provided, wherein the burner comprises the outer fire cover according to the embodiments of the present application.

[0017] According to a third aspect of the embodiments of the present application, a gas stove is provided, wherein the gas stove comprises at least one burner according to the embodiments of the present application.

[0018] The outer fire cover according to the embodiments of the present application comprises an outer ring of the fire cover and an inner ring of the fire cover, the outer ring of the fire cover has a first clamping portion, the inner ring of the fire cover has a second clamping portion, the outer ring of the fire cover is sleeved on the outside of the inner ring of the fire cover, the second clamping portion and the first clamping portion are matched with each other to connect the outer ring of the fire cover and the inner ring of the fire cover, the outer ring of the fire cover and the inner ring of the fire cover enclose an annular space, and the inner ring of the fire cover has a fire hole communicating with the annular space. The outer ring of the fire cover and the inner ring of the fire cover are connected together through the first clamping portion and the second clamping portion, so that separation of the two during transportation or use is avoided, and the user assembly procedure is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above features and advantages of the present application will become more apparent through the following detailed description of example embodiments with reference to the accompanying drawings.

[0020] Figure 1 is a structural diagram of an embodiment of the outer fire cover of the present application;

[0021] Figure 2 is a cross-sectional schematic diagram of an embodiment of the outer fire cover of the present application;

[0022] Figure 3 is an exploded structural schematic diagram of the outer fire cover of the present application;

[0023] Figure 4 is a cross-sectional schematic diagram of the outer fire cover combined by the inner ring of the fire cover and the outer ring of the fire cover of the present application;

[0024] Figure 5 is a kind of assembly mode schematic diagram of the assembled outer fire cover of the utility model;

[0025] Figure 6 is the structure schematic diagram of one embodiment of the burner of the utility model.

[0026] Wherein, the following is explained by reference to the attached drawings:

[0027] 1, fire cover outer ring;11, outer ring wall;12, top cover;2, fire cover inner ring;21, vertical section;22, inclined section;3, fire hole;4, first clamping portion;41, third guide surface;5, second clamping portion;51, first guide surface;6, fire distribution seat;7, inner fire cover, 8, boss. DETAILED DESCRIPTION

[0028] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments, however, can be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the inventive concept to those skilled in the art. Like reference numerals refer to like elements throughout the drawings, and thus a detailed description of them will not be repeated.

[0029] The terms "one", "a", "the", "said", "s" are used to indicate the presence of one or more elements / components / etc.;The terms "include" and "have" are used to mean open-ended inclusion and refer to additional elements / components / etc. in addition to the listed elements / components / etc.

[0030] Referring to Figures 1 to 5 , the utility model provides a kind of outer fire cover, including fire cover outer ring 1 and fire cover inner ring 2, and fire cover outer ring 1 has first clamping portion 4 on it;Fire cover inner ring 2 has second clamping portion 5 on it, the fire cover outer ring 1 is set to with the outside of the fire cover inner ring 2, the second clamping portion 5 and the first clamping portion 4 are mutually matched, connect the fire cover outer ring 1 with the fire cover inner ring 2, the fire cover outer ring 1 and the fire cover inner ring 2 enclose a annular space, and the fire cover inner ring 2 has fire hole 3 that is connected with the annular space.

[0031] The outer fire cover of the utility model embodiment includes fire cover outer ring 1 and fire cover inner ring 2, and fire cover outer ring 1 has first clamping portion 4 on it;Fire cover inner ring 2 has second clamping portion 5 on it, fire cover outer ring 1 and fire cover inner ring 2 are connected together by first clamping portion 4 and second clamping portion 5, avoid separation in the process of transportation or use, reduce user assembly procedure.

[0032] In the embodiment of the utility model, the fire cover inner ring 2 can be pressed into the fire cover outer ring 1 from bottom to top, or be pressed into the stainless steel fire cover outer ring 1 from top to bottom, the first clamping part 4 and the second clamping part 5 are matched to combine the two parts together, after factory assembly, it is avoided to separate in the transportation process, it is also avoided to easily split in the use process of the user, the procedure of user assembly is reduced, and assembly error caused by non-professional operation is avoided.

[0033] In the embodiment of the utility model, the material of the fire cover outer ring 1 and the fire cover inner ring 2 can be same or different. The fire cover outer ring 1 and the fire cover inner ring 2 adopt different materials, the advantages of different materials can be fully utilized, performance advantage, cost advantage and the like can be brought through material combination, and various appearance requirements can be met. In the exemplary embodiment, the fire cover outer ring 1 can be made of stainless steel material, and the fire cover inner ring 2 can be made of copper material.

[0034] In the embodiment of the utility model, the outer fire cover is divided into the fire cover outer ring 1 and the fire cover inner ring 2, and various processes can be flexibly adopted for preparation according to the respective shapes of the fire cover outer ring 1 and the fire cover inner ring 2. When the fire cover outer ring 1 and the fire cover inner ring 2 adopt different materials, the preparation process can also be flexibly selected according to the respective material characteristics.

[0035] In the outer fire cover of the embodiment of the utility model, the fire cover inner ring 2 can be made by machining. The machining mode includes lathe turning, die forging or casting. The machining time is short, and the production efficiency is high.

[0036] The fire cover inner ring 2 can be produced by die forging or casting, which is beneficial to mass production and reduces production cost.

[0037] The outer fire cover of the embodiment of the utility model is connected through the first clamping part 4 and the second clamping part 5, and is suitable for simple and reliable installation mode of the fire cover outer ring 1 and the fire cover inner ring 2 of different metal materials. For example, when the fire cover outer ring 1 adopts stainless steel material, the connection through the first clamping part 4 and the second clamping part 5 can solve the problem that the thread column or the threaded hole cannot be set due to uniform wall thickness and thin material, and the outer fire cover of the embodiment of the utility model has low manufacturing cost.

[0038] In the outer fire cover of the embodiment of the utility model, the cross-sectional shape of the fire hole 3 can be circular, rectangular or the like. The fire hole 3 can be made by cutting, milling, drilling machine processing and the like. In the specific implementation, a slot can be formed on the top of the fire cover inner ring 2 by cutting, and after the fire cover outer ring 1 is connected with the fire cover inner ring 2, the slot forms the fire hole 3 with a long strip-shaped cross section. The fire hole 3 is used for connecting the gas source inside the outer fire cover, and provides a combustion channel.

[0039] In some embodiments, referring to Figure 1The top surface of the inner ring of the fire cover 2 and the intersection line of the inner annular surface pass through the fire hole 3, so that the fire hole 3 spans the intersection line and is partially located on the inner annular surface and partially located on the top surface. The fire hole 3 spans the intersection line, so that the secondary air supplied during combustion is supplied to the flame root by the top surface of the outer fire cover and the inner side of the outer fire cover respectively, and combustion is promoted.

[0040] The center line of the fire hole 3 can be inclined to the left side or the right side to form an inner rotating flame. When the center line of the fire hole 3 is inclined to the left side, a left rotating flame is formed, and when the center line of the fire hole 3 is inclined to the right side, a right rotating flame is formed.

[0041] In the embodiments of the utility model, the outer ring 11 of the fire cover is formed by stamping a thin-walled material. Here, the thin-walled material is directly stamped into a shape of stainless steel sheet, and the production efficiency is very high. Meanwhile, there is no need to make a complex structure such as a thread on the inner ring side of the stainless steel sheet. The processing technology is greatly simplified, and it is convenient for users to clean the fire cover to keep it clean and smooth for gas flow.

[0042] In some embodiments, referring to Figure 3 One of the first clamping part 4 and the second clamping part 5 is a groove, and the other is a protrusion, and the protrusion is embedded in the groove to connect the outer ring 1 of the fire cover and the inner ring 2 of the fire cover. In specific implementation, as shown in Figure 3 The protrusion can be arranged on the inner ring 2 of the fire cover, and the groove can be arranged on the outer ring 1 of the fire cover. Alternatively, the protrusion can be arranged on the outer ring 1 of the fire cover, and the groove can be arranged on the inner ring 2 of the fire cover. When assembling, the inner ring 2 of the fire cover is embedded into the outer ring of the fire pot from bottom to top, or the inner ring 2 of the fire cover is embedded into the outer ring of the fire pot from top to bottom. The outer diameter of the protrusion is greater than the inner diameter of the outer ring 1 of the fire cover, the protrusion is embedded in the groove, and the protrusion and the groove are in interference fit to avoid separation of the inner ring 2 of the fire cover and the outer ring 1 of the fire cover.

[0043] In some embodiments, referring to Figure 5 The protrusion has a guide surface, which is used for guiding the protrusion when the protrusion is assembled into the groove. The guide surface can be arranged on the top surface of the protrusion or the bottom surface of the protrusion. When the guide surface is arranged on the top surface of the protrusion, the inner ring 2 of the fire cover is assembled from below the outer ring 1 of the fire cover from bottom to top. When the guide surface is arranged on the bottom surface of the protrusion, the inner ring 2 of the fire cover is assembled from above the outer ring 1 of the fire cover from top to bottom.

[0044] In the exemplary embodiments, as shown in Figure 5 The protrusion is arranged on the inner ring 2 of the fire cover, and the top surface of the protrusion is gradually inclined downward in the direction close to the groove to form a first guide surface 51. The top surface of the protrusion can be a conical surface. When the inner ring 2 of the fire cover is assembled with the outer ring 1 of the fire cover, the first guide surface 51 contacts the inner side of the outer ring 1 of the fire cover to guide the assembly.

[0045] In some embodiments, referring to Figure 5The recess is arranged on the outer ring 1 of the fire cover, and the lower portion of the recess of the outer ring 1 of the fire cover is provided with a third guide surface 41 matched with the first guide surface 51.

[0046] In the example embodiment, the protrusion is arranged on the inner ring 2 of the fire cover, and the bottom surface of the protrusion is gradually inclined upward along the direction close to the recess to form a second guide surface.

[0047] In the embodiment of the utility model, the cross section shape of the protrusion can be trapezoidal, triangular or other appropriate geometric shape.

[0048] Figure 3 It is the structural schematic diagram of the outer fire cover in the disassembled state of the utility model, and referring to Figure 3 The outer side of the inner ring 2 of the fire cover is provided with a protrusion, which is used for clamping with the recess when the outer ring 1 of the fire cover and the inner ring 2 of the fire cover are assembled.

[0049] The utility model adopts the mode that the recess and the protrusion are matched to combine the outer ring 1 of the fire cover and the inner ring 2 of the fire cover.

[0050] The recess can be a continuous annular recess in the circumferential direction.

[0051] The recess can be discontinuously distributed in the circumferential direction.

[0052] The inner ring 2 of the fire cover can be machined by a machine tool, and a triangular protrusion is machined on the inner ring 2 of the fire cover.

[0053] Of course, the cross section of the protrusion can also be trapezoidal or other shapes.

[0054] In some embodiments, referring to Figure 2 , the outer ring wall 11 and a top cover connected to the upper end of the outer ring wall 11, the first clamping part 4 is arranged on the inner circumferential surface of the top cover, the second clamping part 5 is arranged on the outer circumferential surface of the top of the inner ring 2, and the upper surface of the top cover is flush with the top surface of the inner ring 2. In an exemplary embodiment, a groove is arranged on the inner circumferential surface of the top cover, and the groove is continuously arranged along the inner circumferential surface of the top cover. A protrusion is arranged on the outer circumferential surface of the top of the inner ring 2. The protrusion is continuously arranged along the outer circumferential surface of the top of the inner ring 2. The top of the inner ring 2 is formed with a slot by cutting or the like, and the top cover is connected to the inner ring 2 to form the fire hole 3 by the slot.

[0055] In some embodiments, referring to Figure 3 , the outer circumferential surface of the top of the inner ring 2 has an annular protrusion 8, and the top cover is abutted on the protrusion 8. By arranging the protrusion 8, the connection between the top cover and the inner ring 2 is more closely, and the slot of the top of the inner ring 2 is formed into the fire hole 3. The protrusion 8 forms a stepped structure on the outer circumferential surface of the top of the inner ring 2, which can support the top cover and make the upper surface of the top cover flush with the connection between the top surface of the inner ring 2.

[0056] In some embodiments, referring to Figure 2 , the inner ring 2 includes a vertical section 21 and an inclined section 22, the inclined section 22 is connected to the top of the vertical section 21, and the diameter of the inclined section 22 gradually increases from bottom to top. The inclined section 22 of the upper part of the inner ring 2 is outwardly inclined, and the protrusion 8 and the protrusion can be arranged on the outer circumferential surface of the top of the inclined section 22.

[0057] In the embodiment of the utility model, the groove of the outer ring 1 of the fire cover can be rectangular. The depth of the groove can be greater than or equal to the protruding length of the protrusion.

[0058] The protrusion of the inner ring 2 of the fire cover of the utility model is a right triangle, the hypotenuse of the triangle is on the upper surface of the protrusion, the surface where the hypotenuse is located forms a first guide surface 51, and the lower side of the triangle is a straight line.

[0059] When the combined fire cover is assembled, the inner ring 2 of the fire cover is pushed into the outer ring 1 of the fire cover from the lower part of the outer ring 1 of the fire cover.

[0060] Alternatively, the protrusion of the inner ring 2 of the fire cover is a right triangle, the hypotenuse of the triangle is on the lower surface of the protrusion, the surface where the hypotenuse is located forms a second guide surface, and the upper side of the triangle is a straight line.

[0061] When the combined fire cover is assembled, the inner ring 2 of the fire cover is pushed into the outer ring 1 of the fire cover from the upper part of the outer ring 1 of the fire cover.

[0062] The fire cover of the utility model is combined with the inner ring 2 of the fire cover and the outer ring 1 of the fire cover. Figure 4Is the cross section of the outer fire cover after the assembly of the utility model is completed, the convex block is embedded in the groove. The direction of pressing the inner ring 2 of the fire cover into the outer ring 1 of the fire cover can be determined according to the position of the guide surface on the convex block. The guide surface plays the role of saving pressure and guiding the inner ring 2 of the fire cover into the outer ring 1 of the fire cover, and the straight edge of the convex block of the inner ring 2 of the fire cover is used for cooperation and fixation with the groove edge of the outer ring 1 of the fire cover.

[0063] The utility model discloses an outer fire cover and a burner of a gas stove. Figure 5 Is the schematic diagram of pressing the inner ring 2 of the fire cover into the outer ring 1 of the fire cover from below, wherein the arrow indicates the direction of pressing. As shown in Figure 5 The upper edge of the triangular cross section of the convex block is an oblique edge, and the lower edge is a straight edge. When pressing, the guide surface of the convex block guides the inner ring 2 of the fire cover to be extruded into the outer ring 1 of the fire cover. When the inner ring 2 of the fire cover is in place, the straight edge of the convex block just abuts against the lower edge of the groove, so that the outer fire cover of the two materials becomes an integral structure.

[0064] The utility model discloses an outer fire cover and a burner of a gas stove. Figure 6 The burner can include a fire seat 6 and an inner fire cover 7, and the inner fire cover 7 and the outer fire cover are arranged on the fire seat 6.

[0065] The utility model discloses an outer fire cover and a burner of a gas stove. Figure 6 The burner can include a fire seat 6 and an inner fire cover 7, and the inner fire cover 7 and the outer fire cover are arranged on the fire seat 6.

[0066] The utility model discloses an outer fire cover and a burner of a gas stove.

[0067] The above is only the preferred embodiment of the utility model embodiment, and is not used for limiting the utility model embodiment. For those skilled in the art, the utility model embodiment can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model embodiment should be included in the protection scope of the utility model embodiment.

Claims

1. An external flame cap characterized in that, The application relates to a burner and a gas stove. The application relates to a burner and a gas stove. The application relates to a burner and a gas stove.

2. The outer fire cover of claim 1, wherein, The application relates to a burner and a gas stove.

3. The outer fire cover of claim 2, wherein, The application relates to a burner and a gas stove.

4. The outer fire cover of claim 3, wherein, The application relates to a burner and a gas stove.

5. The outer fire cover of claim 2, wherein, The application relates to a burner and a gas stove.

6. The outer fire cover of claim 2, wherein, The application relates to a burner and a gas stove.

7. The outer fire cover of claim 6, wherein, The application relates to a burner and a gas stove.

8. The outer fire cover of claim 6, wherein, The application relates to a burner and a gas stove. The application relates to a burner and a gas stove.

9. The outer fire cover of claim 1, wherein, The application relates to a burner and a gas stove.

10. A burner for a gas hob, characterized in that The application relates to a burner and a gas stove.

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