Gas cooking stove

The gas stove design addresses manufacturing issues by reinforcing the panel unit areas with a front frame portion, maintaining strength and reducing costs while preventing broth ingress, thus enhancing the stove's structural integrity and assembly efficiency.

JP2025172339APending Publication Date: 2025-11-26PALOMA CO LTD
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Patent Information

Application Number
JP2024077798
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-11-26

AI Technical Summary

Technical Problem

The existing gas stove designs face issues with poor yield and potential distortion during manufacturing due to the use of a single piece of plate material for the bottom and side walls, which can lead to reduced strength when parts are made single-walled.

Method used

The gas stove design includes a housing with reinforced components using a front frame portion that divides the area into a grill chamber and panel units, ensuring strength while allowing for cost reduction by removing outer mounting parts.

Benefits of technology

The reinforced design maintains component strength in the panel unit areas while reducing costs by ensuring the components are single-walled, with additional features to prevent broth ingress and facilitate easy assembly.

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Abstract

To provide a gas cooking stove which secures strength of components at left and right areas while achieving reduction of costs.SOLUTION: A gas cooking stove 1 of the disclosure includes an area defining part 40. The area defining part 40 includes: a bottom plate part 41 fixed to a bottom wall part 23; and a left fixing column 80 and a right fixing column 70 respectively erected on left and right ends of the bottom plate part 41. An upper end of the left fixing column 80 and an upper end of the right fixing column 70 are fixed to an upper beam part 25, and the left and right fixing columns 70, 80 divide an area from a right wall part 21 to a left wall part 22 of a housing 2 into a middle area CR where a grill chamber 8 is disposed, and a left area LR and a right area PR where left and right panel units 31, 32 are respectively disposed. At front ends of the fixing column 70 or 80 and the wall part, which is located adjacent to the fixing column 70 or 80, of the left and right wall parts 21, 22, each front frame part 90 whose surface direction faces the front end is fixed. The panel units 31, 32 are respectively fixed to the front frame parts 90.SELECTED DRAWING: Figure 3
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Description

[Technical Field]

[0001] The present disclosure relates to gas stoves. [Background technology]

[0002] The stove housing described in JP 2020-85369 A (Patent Document 1 below) includes a panel fixing member for fixing the left and right panel units to the front of the housing main body. This panel fixing member includes a bottom plate and left and right plate portions formed by bending upward from both left and right ends of the bottom plate and positioned so as to contact the inside of the left and right wall portions of the housing. In addition, left and right fixed pillars are erected at positions near the center of the bottom plate, and upper beam portions are fixed to the upper ends of both left and right fixed pillars. This divides the area between the front of the left and right plate portions into a center area where the grill chamber is located and left and right areas where the operation panel is located. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2020-85369 Summary of the Invention [Problem to be solved by the invention]

[0004] However, because the bottom plate and both left and right plate sections are made from a single piece of plate material whose length is the sum of the overall width of the case and the height of both plate sections, there are concerns that yields will be poor and distortions will occur during the management process. For this reason, it has been considered to remove the parts of the left and right plate sections and the bottom plate section that are outside the area between the mounting points for the fixed columns to create smaller parts, but in this case, the parts that make up the bottom and outer surfaces of the left and right areas will go from being double-walled to being single-walled, which raises concerns about strength. [Means for solving the problem]

[0005] The gas stove of the present disclosure is a gas stove including a gas burner and a housing that houses the gas burner, wherein the housing includes a bottom wall portion, a left wall portion and a right wall portion erected at both left and right ends of the bottom wall portion, an area defining portion fixed to the front end portion of the bottom wall portion, and an upper beam portion that is elongated in the left-right direction and has a length dimension corresponding to the left-right width of the housing, and is fixed to the front upper end of the left wall portion and the front upper end of the right wall portion, and the area defining portion includes a bottom plate portion fixed to the bottom wall portion, and a left fixed pillar and a right fixed pillar that are erected at both left and right ends of the bottom plate portion, respectively. and a fixed pillar, the upper ends of the left and right fixed pillars being fixed to the upper beam portion, respectively, and the left and right fixed pillars divide the area from the right wall portion to the left wall portion of the housing into a middle area where a grill chamber is arranged, and a left area and a right area where left and right panel units are arranged, respectively, and a front frame portion with its surface facing the front end is fixed to the front end of the fixed pillar and the front end of the wall portion of the left and right wall portions adjacent to the fixed pillar, and the panel unit is fixed to this front frame portion. [Effects of the Invention]

[0006] According to the present disclosure, by reinforcing the components in both the left and right regions where the panel units are arranged with the front frame portion, it is possible to reduce costs while ensuring the strength of the components in both the left and right regions. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 1 is a front view of a gas stove. [Figure 2] FIG. 2 is a front view of the housing and the left and right panel units. [Figure 3] FIG. 3 is an exploded perspective view of the housing and the left and right panel units. [Figure 4] FIG. 4 is a perspective view of the housing and the left and right panel units as viewed from the front right. [Figure 5] FIG. 5 is a perspective view of the housing and the left and right panel units as viewed from the front left. [Figure 6] 6 is an enlarged perspective view of the periphery of the left panel unit in FIG. [Figure 7] 7 is an enlarged perspective view of the periphery of the right panel unit in FIG. [Figure 8] FIG. 8 is an enlarged perspective view of the insertion piece of FIG. [Figure 9] FIG. 9 is an enlarged perspective view of the insertion piece of FIG. [Figure 10] FIG. 10 is an enlarged perspective view of the intrusion prevention wall of FIG. [Figure 11] FIG. 11 is a perspective view of the front frame portion. [Figure 12] FIG. 12 is a perspective view of the left panel unit as seen from the rear. [Figure 13] FIG. 13 is a plan view of the bottom plate portion. [Figure 14] FIG. 14 is a perspective view of the left and right fixed pillars. DETAILED DESCRIPTION OF THE INVENTION

[0008] [Description of the embodiments of the present disclosure] First, embodiments of the present disclosure will be listed and described. (1) The gas stove of the present disclosure is a gas stove including a gas burner and a housing that houses the gas burner, wherein the housing includes a bottom wall portion, a left wall portion and a right wall portion that are erected at both left and right ends of the bottom wall portion, an area defining portion that is fixed to the front end of the bottom wall portion, and an upper beam portion that is elongated in the left-right direction and has a length dimension corresponding to the left-right width of the housing and is fixed to the front upper end of the left wall portion and the front upper end of the right wall portion, and the area defining portion includes a bottom plate portion that is fixed to the bottom wall portion, and left fixed beam portions that are erected at both left and right ends of the bottom plate portion, respectively. The cabinet is equipped with a fixed pillar and a right fixed pillar, the upper ends of which are fixed to the upper beam portion, respectively, and the left and right fixed pillars divide the area from the right wall portion to the left wall portion of the housing into a middle area where a grill cabinet is arranged, and a left area and a right area where left and right panel units are arranged, respectively, and a front frame portion with its surface facing the front end is fixed to the front end of the fixed pillar and the wall portion adjacent to the fixed pillar out of the left and right wall portions, and the panel unit is fixed to this front frame portion.

[0009] The components in both the left and right areas where the panel units are arranged are reinforced by the front frame, so even if the outer mounting parts of the left and right fixed columns on the bottom plate are removed to reduce costs, the strength of the components in both the left and right areas can be ensured.

[0010] (2) In the gas stove described in (1), it is preferable that at least both left and right edges of the front frame portion have folds that fold back and circumscribe the fixed pillar and both left and right wall portions of the housing. The strength of the components in both the left and right regions can be further ensured.

[0011] (3) In the gas stove described in (1) or (2), it is preferable that a positioning member for positioning the front frame portion is provided on the front end of the fixed column or the housing. The front frame can be easily assembled to the housing.

[0012] (4) In the gas stove described in any one of (1) to (3), it is preferable that an intrusion prevention wall extending in the left-right direction is formed at the front end of the front frame portion, extending at least to the same height as the upper beam portion. Even if broth adhering to the upper surface of the decorative panel attached to the front of the panel unit seeps into the gap between the decorative panel and the front frame, the broth can be blocked and guided to the front, preventing the broth from seeping through the gap between the front frame and the upper beam to the back side of the front frame and adhering to components (harnesses, electrical components, etc.) inside the housing.

[0013] [Details of the embodiments of the present disclosure] Embodiments of the present disclosure will be described with reference to Figures 1 to 14. The present disclosure is not limited to these examples, but is defined by the scope of the claims, and is intended to include all modifications within the meaning and scope of the claims.

[0014] [Overall structure of gas stove] The overall structure of gas stove 1 will be described with reference to Figures 1 to 5. Gas stove 1 is a built-in stove. Gas stove 1 has a roughly rectangular parallelepiped housing 2. Housing 2 is formed in a roughly box shape that opens upward. A top plate 3 is fixed to the top of housing 2. Housing 2 houses a right burner 5 on the front right, a left burner 6 on the front left, and a rear burner 7 on the rear center side. A grill door 10 is provided in the center of the front of housing 2 so that it can be pulled out toward the front. Grill door 10 opens and closes opening 4 (see Figure 2) of a grill chamber 8 installed inside housing 2. A right panel unit 31 is provided to the right of grill door 10, and a left panel unit 32 is provided to the left of grill door 10.

[0015] [Right panel unit and left panel unit] As shown in Fig. 1, ignition buttons 11 and 12 are provided side by side from right to left in approximately the center of the height direction of right panel unit 31. Ignition button 11 ignites and extinguishes right burner 5, and ignition button 12 ignites and extinguishes the grill burner in grill chamber 8. Right panel unit 31 includes an upper panel 315 having ignition buttons 11 and 12, and a lower panel 311 provided below upper panel 315 and having a battery case 312. Battery case 312 is capable of housing dry batteries (not shown).

[0016] Ignition buttons 13 and 14 are provided side by side, starting from the right, in approximately the center of the height direction of left panel unit 32. Ignition button 13 ignites and extinguishes rear burner 7, and ignition button 14 ignites and extinguishes left burner 6. Left panel unit 32 includes an upper panel 325 having ignition buttons 13 and 14, and a lower panel 321 provided below upper panel 325.

[0017] The upper and lower panels 311, 315 of the right panel unit 31 are made of resin and are formed into a generally rectangular plate shape when viewed from the front. The ignition buttons 11, 12 are provided side by side on the upper panel 315 so that they can be pressed in. The decorative panel 313 is attached to the front of the upper panel 315. The battery case 312 is provided below the ignition buttons 11, 12. The cover 316 is attached so as to cover the front opening of the battery case 312.

[0018] The upper and lower panels 321, 325 of the left panel unit 32 are made of resin and are formed into a generally rectangular plate shape when viewed from the front. The ignition buttons 13, 14 are provided side by side on the upper panel 325 so that they can be pressed in. The decorative panel 323 is attached to the front of the upper panel 325. The cover 326 is attached to the front of the lower panel 321.

[0019] [Case] As shown in FIG. 3, the housing 2 includes a housing main body 20, an upper beam 25, an area defining portion 40, and the like.

[0020] The housing main body 20 is formed in a generally box shape that opens to the front and top, and is formed, for example, by assembling multiple metal plates together. The housing main body 20 includes a right wall 21, a left wall 22, a bottom wall 23, and a back panel 24. The right wall 21 is formed in a generally rectangular shape in side view. A forward protrusion 211 that protrudes forward in a generally rectangular shape in side view is provided at the front end of the right wall 21. An attachment piece having a fixing hole 213 is provided at the upper end of the forward protrusion 211 and protrudes to the left. A step 214 is formed at the front end of the forward protrusion 211, which is hammered out to the left and is lower inward than the outer surface of the right wall 21. A receiving portion 212 that is bent outward (to the right) is provided at the upper end of the right wall 21.

[0021] The left wall portion 22 is symmetrical to the right wall portion 21 and is formed in a generally rectangular shape when viewed from the left side. A forward protruding portion 221 that protrudes forward in a generally rectangular shape when viewed from the side is provided at the front end of the left wall portion 22. An attachment piece having a fixing hole 223 is provided at the upper end of the forward protruding portion 221 and protrudes to the right. A step 224 is formed at the front end of the forward protruding portion 221, which is hammered out to the right and is lower inward than the outer surface of the left wall portion 22. A receiving portion 222 that is bent outward (to the left) is provided at the upper end of the left wall portion 22.

[0022] The bottom wall portion 23 is provided between the lower end of the right wall portion 21 and the lower end of the left wall portion 22, and is formed in a generally rectangular shape in a plan view. Fixing holes 231, 232 are provided at the front end of the bottom wall portion 23, spaced apart in the left-right direction. The fixing holes 231, 232 are holes for fixing the area defining portion 40. A pair of left and right step portions 234 are provided at the front end of the bottom wall portion 23. The step portions 234 are hammered upward and positioned above the lower surface of the bottom wall portion 23. The upper surface of the step portions 234 is formed flat. The step portions 234 are provided with a pair of left and right fixing holes 235.

[0023] The back plate 24 is fixed on the rear side of the housing main body 20, between the rear end of the right wall 21 and the rear end of the left wall 22. The back plate 24 slopes upward from the rear end of the bottom wall 23 toward the rear. A receiving portion 242 bent outward (rearward) is provided at the upper end of the back plate 24.

[0024] The upper beam portion 25 is fixed so as to span substantially horizontally between the upper end of the forward protrusion 211 of the right wall portion 21 and the upper end of the forward protrusion 221 of the left wall portion 22. The upper beam portion 25 includes a front plate portion 251, a receiving portion 252, and a horizontal plate portion 253. The upper beam portion 25 is long in the left-right direction and has a length dimension corresponding to the left-right width of the housing 2. The front plate portion 251 is formed in a substantially rectangular plate shape extending in the left-right direction when viewed from the front. The receiving portion 252 is provided at the upper end of the front plate portion 251 and is formed by bending it outward (forward). The horizontal plate portion 253 protrudes substantially horizontally forward from the lower end of the front plate portion 251 and is formed in a substantially rectangular plate shape extending in the left-right direction when viewed from above.

[0025] As shown in FIG. 2, the area from the right wall portion 21 to the left wall portion 22 of the housing 2 is divided into a middle region CR in which the grill chamber 8 is disposed, and a left region LR and a right region RR in which the left and right panel units 31, 32 are disposed, respectively. As shown in FIG. 3, a fixing hole 26 is provided in the right end of the horizontal plate portion 253. A fixing hole 28 is provided in the right region RR to the left of the fixing hole 26 and to the right of the middle region CR corresponding to the grill chamber 8. Meanwhile, a fixing hole 27 is also provided in the left end of the horizontal plate portion 253. A fixing hole 29 is provided to the right of the fixing hole 27 and to the left of the middle region CR corresponding to the grill chamber 8. A pair of mounting pieces each having a fixing hole 255 is provided at both left and right ends of the horizontal plate portion 253, protruding downward.

[0026] The receiving portion 212 of the right wall portion 21, the receiving portion 222 of the left wall portion 22, the receiving portion 242 of the back panel 24, and the receiving portion 252 of the upper beam portion 25 constitute a flange portion 200 formed on the upper part of the housing 2. The flange portion 200 is formed to protrude outward like a flange. The flange portion 200 engages from above with the upper peripheral surface of the opening on the top surface of a kitchen cabinet (not shown). This supports the housing 2 on the cabinet. The edge of the top plate 3 is fixed to the upper part of the flange portion 200 with screws. In this way, the top plate 3 is fixed to the upper part of the housing 2.

[0027] [Area definition section] The area defining section 40 fixes the right panel unit 31 and the left panel unit 32 to the front surface of the housing main body 20, and also divides and defines the area from the right wall 21 to the left wall 22 of the housing 2 into three areas: a right area RR, a middle area CR, and a left area LR. The area defining section 40 includes a bottom plate 41, a right fixed pillar 70, and a left fixed pillar 80.

[0028] [Bottom plate] The bottom plate portion 41 is formed in a plate shape extending in the left-right direction in a plan view and is installed overlapping the front portion of the upper surface of the bottom wall portion 23 of the middle area CR. The bottom plate portion 41 includes a bottom plate main body portion 411, a right positioning piece 412, and a left positioning piece 413. The bottom plate main body portion 411 is a main portion that occupies most of the bottom plate portion 41 and is a portion that overlaps the lower front side of the grill chamber 8. The right positioning piece 412 is connected to the right end of the bottom plate main body portion 411. The right positioning piece 412 has a width that is shorter than the width of the bottom plate main body portion 411 in the left-right direction. The left positioning piece 413 is connected to the left end of the bottom plate main body portion 411. The left positioning piece 413 has a width that is shorter than the width of the bottom plate main body portion 411 in the left-right direction. The left positioning piece 413 has a shape that is bilaterally symmetrical to the right positioning piece 412. The top surface of the bottom plate main body 411 is formed by press working so as to be higher than the top surfaces of the right positioning piece 412 and the left positioning piece 413 .

[0029] The bottom plate 41 has a pair of left and right fixing holes 417, 418. The fixing holes 417, 418 are provided at positions corresponding to the fixing holes 231, 232 of the housing main body 20 when the bottom plate 41 is attached to the bottom wall 23 of the housing main body 20.

[0030] As shown in FIG. 13 , the bottom plate main body 411 and the right positioning piece 412 are connected at a connecting portion 415. The upper surface of the connecting portion 415 is flush with the upper surface of the bottom plate main body 411. A slit 46 and a fixing hole 45 are provided on the upper surface of the connecting portion 415, aligned in the front-to-rear direction. The slit 46 is provided at the rear of the connecting portion 415, and the fixing hole 45 is provided in front of the slit 46. The slit 46 is a narrow hole that penetrates in the vertical direction and is approximately rectangular and elongated in the front-to-rear direction in plan view. The fixing hole 45 is a hole that penetrates in the vertical direction and is circular in plan view. Meanwhile, the bottom plate main body 411 and the left positioning piece 413 are connected at a connecting portion 416. The connecting portion 416 has a shape that is bilaterally symmetrical to the connecting portion 415. Similar to the connecting portion 415, the connecting portion 416 has a slit 48 and a fixing hole 47 that are aligned in the front-to-rear direction.

[0031] [Right fixed column, left fixed column] 14, the right fixed column 70 and the left fixed column 80 have a symmetrical shape, so the structure of the right fixed column 70 will be described in detail, and the structure of the left fixed column 80 will be briefly described. The right fixed column 70 and the left fixed column 80, together with a front frame portion 90 described later, are members for fixing the right panel unit 31 and the left panel unit 32 to the front surface of the housing 2, and are formed by bending sheet metal.

[0032] The right fixing column 70 is formed in the shape of a plate that is long in the vertical direction when viewed from the side, and is placed on the connecting portion 415 with both sides facing in the left-right direction. The right fixing column 70 includes an upper fixing portion 71, a front fixing portion 72, and a lower fixing portion 73. The upper fixing portion 71 is provided so as to protrude to the right from the upper end of the right fixing column 70, and is formed in the shape of a generally rectangular plate when viewed from above. A fixing hole 711 is provided in the upper fixing portion 71. The front fixing portion 72 is provided so as to protrude to the right from the upper end of the front end of the right fixing column 70 in the shape of a plate. A fixing hole 721 is provided in the front fixing portion 72. The fixing hole 721 penetrates the front fixing portion 72 in the front-rear direction.

[0033] The lower fixing portion 73 protrudes leftward from the rear portion of the lower end of the right fixing column 70, and is formed in a generally rectangular plate shape in plan view. The lower fixing portion 73 is provided with an insertion piece 76, a fixing hole 74, and an opening 75. The insertion piece 76 protrudes downward from the rear end of the lower fixing portion 73. The fixing hole 74 is provided at the front end of the lower fixing portion 73. The fixing hole 74 is circular in plan view and penetrates the lower fixing portion 73 in the vertical direction. The opening 75 is provided rearward of the fixing hole 74, and is formed in a generally rectangular shape in plan view. The insertion piece 76 protrudes downward from the edge of the opening 75.

[0034] A support piece 77 is provided on the front portion of the lower end of the right fixed pillar 70. The support piece 77 protrudes rightward from the lower end of the right fixed pillar 70 and is formed in a generally rectangular plate shape in plan view. The upper surface of the support piece 77 is formed so as to be lower than the upper surface of the lower fixed part 73.

[0035] The lower surface of the lower fixing portion 73 is placed so as to overlap the upper surface of the connecting portion 415. The positions of the insertion piece 76 and the fixing hole 74 of the lower fixing portion 73 correspond to the positions of the slit 46 and the fixing hole 45 of the connecting portion 415 of the bottom plate portion 41, respectively. Meanwhile, the lower surface of the support piece 77 is placed so as to overlap the upper surface of the step portion 234 on the right side of the bottom wall portion 23.

[0036] The left fixed column 80 has a symmetrical shape to the right fixed column 70 and is placed on the connecting portion 416 with both sides facing left and right. Like the right fixed column 70, the left fixed column 80 also has an upper fixed portion 81, a front fixed portion 82, a lower fixed portion 83, and a support piece 87. The upper fixed portion 81 has a fixing hole 811. The front fixed portion 82 has a fixing hole 821. The lower fixed portion 83 has an insertion piece 86, a fixing hole 84, and an opening 85. The positions of the insertion piece 86 and the fixing hole 84 correspond to the positions of the slit 48 and the fixing hole 47 of the connecting portion 416, respectively. The lower surface of the support piece 87 is placed so as to overlap the upper surface of the left step 234 of the bottom wall 23.

[0037] [Front frame] 11, the front frame portion 90 is formed in a generally rectangular plate shape when viewed from the front, and is formed, for example, by bending sheet metal. A pair of left and right front frame portions 90 are provided, and are members that hold the right panel unit 31 and the left panel unit 32 and reinforce the front surface of the housing main body 20. The pair of left and right front frame portions 90 have the same shape.

[0038] The front frame portion 90 includes a lower frame 91, a left frame 92 extending upward from the left end of the lower frame 91, a right frame 93 extending upward from the right end of the lower frame 91, and an upper frame 94 connecting the upper ends of the left frame 92 and right frame 93. A middle frame 95 is provided between the center of the left frame 92 and the center of the right frame 93 to connect them.

[0039] In the front frame portion 90, a lower frame hole 96 is formed between the lower frame 91 and the middle frame 95, and an upper frame hole 97 is formed between the middle frame 95 and the upper frame 94. A lower frame edge 961 extending rearward is formed on the edge of the lower frame hole 96, and an upper frame edge 971 extending rearward is formed on the edge of the upper frame hole 97.

[0040] A lower fixing portion 911 extending rearward is provided at the lower end of the lower frame 91. A right opening 912, a left opening 913, a right insertion piece 914, and a left insertion piece 915 are provided in a symmetrical shape in the lower fixing portion 911. The right insertion piece 914 protrudes upward from the right edge of the right opening 912 and is formed by cutting the lower fixing portion 911 upward. The left insertion piece 915 protrudes upward from the left edge of the left opening 913 and is formed by cutting the lower fixing portion 911 upward.

[0041] A left fold 921 is provided at the left end of the left frame 92 and extends rearward, and a right fold 931 is provided at the right end of the right frame 93 and extends rearward. The pair of folds 921, 931 are formed by folding the left frame 92 and the right frame 93 rearward, respectively. In the right region RR, when the front frame 90 is attached to the housing main body 20, the right fold 931 is installed in circumscribing contact with the right surface of the step 214 of the right wall 21, and when the front frame 90 is attached to the housing main body 20, the left fold 921 is installed in circumscribing contact with the left surface of the right fixed column 70. In the left region LR, when the front frame portion 90 is attached to the housing main body portion 20, the left fold 921 is installed circumscribing the left surface of the step portion 224 of the left wall portion 22, and when the front frame portion 90 is attached to the housing main body portion 20, the right fold 931 is installed circumscribing the right surface of the left fixed column 80.

[0042] A pair of left and right upper panel mounting pieces 972 are provided on the upper frame edge 971 near the upper frame 94. The upper panel mounting pieces 972 extend rearward from the upper frame edge 971 and are formed in a generally rectangular plate shape in side view. The upper panel mounting pieces 972 are provided with mounting holes 973. The mounting holes 973 are formed in a generally rectangular shape in side view. As shown in FIG. 12 , protrusions 317 formed on both the left and right sides of the upper panel 315 fit into each mounting hole 973, thereby attaching and fixing the upper panel 315 to the front frame portion 90 with the upper panel 315 fitted into the upper frame holes 97.

[0043] Meanwhile, multiple locking claws 327 are formed on both the top and bottom sides of the lower panel 321. When the lower panel 321 is inserted into the lower frame holes 96, each locking claw 327 locks into a lower frame edge 961, and the lower panel 321 is attached and fixed to the front frame portion 90 in a state where it is fitted into the lower frame holes 96.

[0044] As shown in Figure 11, an intrusion prevention wall 98 is provided at the upper end of the upper frame 94, extending in the left-right direction. The intrusion prevention wall 98 is formed in a generally arc-shaped form in side view, and is formed by bending upward the portion extending rearward from the upper end of the upper frame 94. The intrusion prevention wall 98 extends up and down to at least the same height as the upper beam portion 25. This prevents broth that has dripped from the top panel 3 onto the upper surfaces of the decorative panels 313, 323 from entering the interior of the gas stove 1.

[0045] [How to assemble the area definition part] First, the bottom plate 41 is attached to the front end of the bottom wall 23 of the housing main body 20. The bottom plate 41 is placed on the bottom wall 23 so that the fixing holes 417, 418 of the bottom plate 41 are aligned with the fixing holes 231, 232 of the bottom plate 23. At this time, a pair of protrusions provided on the bottom wall 23 fit into a pair of positioning holes provided on the positioning pieces 412, 413, thereby positioning the bottom plate 41 relative to the bottom wall 23. The bottom plate 41 is fixed to the bottom wall 23 by passing bolts through the right fixing holes 417, 231 and the left fixing holes 418, 232 and fastening them.

[0046] Next, the right fixing post 70 is attached to the connecting portion 415 of the bottom plate portion 41. The right fixing post 70 is placed on the bottom plate portion 41 so that the fixing holes 74 of the right fixing post 70 are aligned with the fixing holes 45 of the bottom plate portion 41. At this time, the insertion piece 76 of the right fixing post 70 fits into the slit 46 of the bottom plate portion 41, thereby positioning the right fixing post 70 relative to the bottom plate portion 41. The right fixing post 70 is fixed to the bottom plate portion 41 by passing a bolt through the fixing holes 74, 45 and tightening it.

[0047] After or before attaching the right fixing post 70, the left fixing post 80 is attached to the connecting part 416 of the bottom plate part 41. The left fixing post 80 is placed on the bottom plate part 41 so that the fixing hole 84 of the left fixing post 80 is aligned with the fixing hole 47 of the bottom plate part 41. At this time, the insertion piece 86 of the left fixing post 80 fits into the slit 48 of the bottom plate part 41, thereby positioning the left fixing post 80 relative to the bottom plate part 41. The left fixing post 80 is fixed to the bottom plate part 41 by passing a bolt through the fixing holes 84 and 47 and tightening them.

[0048] Next, the upper beam portion 25 is attached to the housing main body 20 and the left and right fixing columns 70, 80. The upper beam portion 25 is attached to the right wall portion 21 and the left wall portion 22 so that the fixing holes 26, 27 of the upper beam portion 25 are aligned with the fixing holes 213, 223 of the housing main body 20. At the same time, the upper beam portion 25 is attached to the right fixing column 70 and the left fixing column 80 so that the fixing holes 28, 29 of the upper beam portion 25 are aligned with the fixing holes 711 of the right fixing column 70 and the fixing holes 811 of the left fixing column 80. By passing a bolt through the fixing holes 26, 213, 27, 223, 28, 711, and 29, 811 and then tightening them, the upper beam portion 25 is fixed to the right wall portion 21, the left wall portion 22, the right fixing column 70, and the left fixing column 80, respectively.

[0049] As a result, the area from the right wall 21 to the left wall 22 of the housing main body 20 is divided into a middle area CR where the grill chamber 8 is disposed, a right area RR where the right panel unit 31 is disposed, and a left area LR where the left panel unit 32 is disposed. In this state, the components of both the left and right areas LR and RR are single-walled, which may prevent sufficient strength from being ensured compared to when these components are double-walled.

[0050] Therefore, in this embodiment, a pair of left and right front frame portions 90, with their faces facing the front ends, are attached and fixed to the front ends of the left and right fixed columns 70, 80 and the upper beam portion 25. As shown in FIG. 7, the right front frame portion 90 is positioned relative to the right fixed column 70 and the upper beam portion 25 by insertion pieces 78, 254. As shown in FIG. 8, the left front frame portion 90 is positioned relative to the left fixed column 70 and the upper beam portion 25 by inserting the insertion piece 254 provided on the upper beam portion 25 into a positioning hole 941 provided in the upper frame 94, and by inserting the insertion piece 88 provided on the right fixed column 80 into a positioning hole 942 provided in the upper frame 94, as shown in FIG. 9.

[0051] Furthermore, the insertion pieces 914, 915 of the lower fixing portion 911 of the right front frame portion 90 are inserted into the fixing holes 235, 235 of the bottom wall portion 23, so that the lower fixing portion 911 is circumscribing the underside of the step portion 234. Similarly, the insertion pieces 914, 915 of the lower fixing portion 911 of the left front frame portion 90 are inserted into the fixing holes 235, 235 of the bottom wall portion 23, so that the lower fixing portion 911 is circumscribing the underside of the step portion 234. Next, bolts are passed through the fixing holes 943 of the right front frame portion 90 and the fixing holes 254 of the upper beam portion 25, and bolts are passed through the fixing holes 944 of the front frame portion 90 and the fixing holes 721 of the right fixed column 70 and fastened together, thereby fixing the front frame portion 90 to the upper beam portion 25 and the right fixed column 70. Similarly, a bolt is passed through fixing hole 944 of the left front frame portion 90 and fixing hole 255 of the upper beam portion 25, and a bolt is passed through fixing hole 943 of the front frame portion 90 and fixing hole 821 of the left fixed column 80, and the front frame portion 90 is fixed to the upper beam portion 25 and the left fixed column 70 by tightening each of them.

[0052] As a result, the components of both the left and right regions LR and RR are reinforced by the front frame portion 90, ensuring strength. In the right front frame portion 90, the right fold 931 circumscribes the right surface of the step 214 of the right wall portion 21, and the left fold 921 circumscribes the left surface of the right fixed column 70. In the left front frame portion 90, the left fold 921 circumscribes the right surface of the step 214 of the right wall portion 21, and the right fold 931 circumscribes the right surface of the left fixed column 70. After this, the upper and lower panels 311 and 315 are fixed to the right front frame portion 90, and the upper and lower panels 321 and 325 are fixed to the left front frame portion 90. In this manner, assembly of the region defining portion 40 is completed.

[0053] [Effects of the embodiment] As described above, the gas stove 1 of the embodiment is a gas stove 1 equipped with the right burner 5, left burner 6, and rear burner 7, and the housing 2 accommodating the burners 5, 6, and 7, and the housing 2 is equipped with the bottom wall portion 23, the left wall portion 22 and the right wall portion 21 erected at both left and right ends of the bottom wall portion 23, an area defining portion 40 fixed to the front end of the bottom wall portion 23, and an upper beam portion 25 which is elongated in the left-right direction and has a length dimension corresponding to the left-right width of the housing 2, and which is fixed to the front upper end of the left wall portion 22 and the front upper end of the right wall portion 21, and the area defining portion 40 is equipped with the bottom plate portion 41 fixed to the bottom wall portion 23, and the left fixed beam portion 25 erected at both left and right ends of the bottom plate portion 41, The cabinet is provided with a pillar 80 and a right fixed pillar 70, and the upper ends of the left fixed pillar 80 and the right fixed pillar 70 are fixed to the upper beam portion 25, respectively. The left and right fixed pillars 70, 80 divide the area from the right wall portion 21 to the left wall portion 22 of the housing 2 into a middle area CR where the grill chamber 8 is arranged, and a left area LR and a right area RR where the left and right panel units 31, 32 are arranged, respectively. A front frame portion 90 with its surface facing the front end is fixed to the front ends of the fixed pillars 70, 80 and the left and right wall portions 21, 22 that are adjacent to the fixed pillars 70, 80, and the left and right panel units 31, 32 are fixed to this front frame portion 90.

[0054] The components in the left and right areas LR and RR where the left and right panel units 31 and 32 are arranged are reinforced by the front frame portion 90, so even if the outer sides of the mounting portions of the left and right fixed columns 70 and 80 on the bottom plate portion 41 are removed to reduce costs, the strength of the components in the left and right areas LR and RR can be ensured.

[0055] At least the left and right edges of the front frame 90 are provided with left folds 921 and right folds 931 that circumscribe the fixed posts 70 and 80 and the left and right wall portions 21 and 22 of the housing 2 . The strength of the components in both the left and right regions LR and RR can be further ensured.

[0056] Insertion pieces 78, 88, 254 for positioning the front frame portion 90 are provided on the left and right fixed columns 70, 80 or the front end portion of the housing 2. The front frame portion 90 can be easily assembled to the housing 2.

[0057] An intrusion prevention wall 98 is formed at the front end of the front frame portion 90, extending in the left-right direction and extending to at least the same height as the upper beam portion 25. Even if broth adhering to the upper surfaces of the decorative panels 313, 323 attached to the front sides of the left and right panel units 31, 32 finds its way between the decorative panels 313, 323 and the front frame portion 90, the broth can be blocked and guided to the front side. This prevents the broth from entering the back side of the front frame portion 98 through the gap between the front frame portion 90 and the upper beam portion 25 and adhering to components (harnesses, electrical components, etc.) installed inside the housing 2.

[0058] <Other embodiments> (1) In the above embodiment, the front frame portion 90 is fixed to the left and right wall portions 21, 22 via the upper beam portion 25, but the front frame portion 90 may be fixed directly to the left and right wall portions 21, 22.

[0059] (2) In the above embodiment, the front frame portion 90 has both the left and right folds 921, 931, but the front frame portion may have only one of the left and right folds 921, 931, or may have no folds.

[0060] (3) In the above embodiment, one of the insertion pieces is provided on the fixed pillar 70, 80 and the other is provided on the upper beam portion 25 as a positioning member, but both insertion pieces may be provided on the upper beam portion, or the other insertion piece may be provided on both the left and right wall portions.

[0061] (4) In the above embodiment, the intrusion prevention wall 98 is provided on the front frame portion 90, but the intrusion prevention wall may be provided on the upper beam portion. [Explanation of symbols]

[0062] 1:Gas stove 2: Housing 3: Top panel 4: Opening 5: Right burner (gas burner) 6: Left burner (gas burner) 7: Back burner (gas burner) 8: Grill compartment 10: Grill door 11,12: Ignition button 13,14: Ignition button 20: Housing main body 200: Flange 21: Right wall portion 211: Forward protruding portion 212: Receiving portion 213: Fixing hole 214: Step portion 22: Left wall portion 221: Forward protruding portion 222: Receiving portion 224: Step portion 23:Bottom wall part 231,232:Fixing hole 234:Step part 235:Fixing hole 24: Backboard 242: Receiving part 25: Upper beam portion 251: Front plate portion 252: Receiving portion 253: Horizontal plate portion 254: Insertion piece (positioning member) 255: Fixing hole 26,27,28,29: Fixed hole 31: Right panel unit 311: Lower panel 312: Battery case 313: Decorative panel 315: Upper panel 316: Cover 317: Protrusion 32: Left panel unit 321: Lower panel 323: Decorative panel 325: Upper panel 326: Cover 327: Locking claw 40: Area definition section 41: Bottom plate portion 411: Bottom plate main body portion 412: Right positioning piece 413: Left positioning piece 415: Connecting portion 416: Connecting portion 417, 418: Fixing holes 45,47: Fixed hole 46,48:Slit 70: Right fixing column 71: Upper fixing portion 711: Fixing hole 72: Front fixing portion 721: Fixing hole 73: Lower fixing portion 74: Fixing hole 75: Opening 76: Insertion piece 77: Support piece 78: Insertion piece (positioning member) 80: Left fixing column 81: Upper fixing portion 811: Fixing hole 82: Front fixing portion 821: Fixing hole 83: Lower fixing portion 84: Fixing hole 85: Opening 86: Insertion piece 87: Support piece 88: Insertion piece (positioning member) 90: Front frame 91: Lower frame 911: Lower fixing part 912: Right opening 913: Left opening 914: Right insertion piece 915: Left insertion piece 92: Left frame 921: Left fold 93: Right frame 931: Right turn 94: Upper frame 941: Positioning hole 942: Positioning hole 943: Fixing hole 944: Fixing hole 95: Middle frame 96: Lower frame hole 961: Lower frame edge 97: Upper frame hole 971: Upper frame edge 972: Panel mounting piece 973: Mounting hole 98: Intrusion prevention wall CR: Middle area LR: Left area RR: Right area

Claims

1. A gas burner and A gas stove comprising: a housing that accommodates the gas burner; the housing comprises a bottom wall portion, a left wall portion and a right wall portion erected at both left and right end portions of the bottom wall portion, an area defining portion fixed to a front end portion of the bottom wall portion, and an upper beam portion elongated in the left-right direction and having a length dimension corresponding to the left-right width of the housing, the upper beam portion being fixed to a front upper end of the left wall portion and a front upper end of the right wall portion; the area defining portion includes a bottom plate portion fixed to the bottom wall portion, and a left fixed pillar and a right fixed pillar respectively erected at both left and right end portions of the bottom plate portion, and upper ends of the left fixed pillar and the right fixed pillar are fixed to the upper beam portion, respectively; The left and right fixed columns divide the area from the right wall portion to the left wall portion of the housing into a middle area in which a grill chamber is disposed, and a left area and a right area in which left and right panel units are disposed, respectively. A gas stove in which a front frame portion with its face facing the front end is fixed to the fixed pillar and the front end of one of the left and right wall portions adjacent to the fixed pillar, and the panel unit is fixed to this front frame portion.

2. 2. The gas stove according to claim 1, wherein at least both left and right edge portions of the front frame portion are provided with folds that fold back rearward and circumscribe the fixed posts and both left and right wall portions of the housing.

3. 3. The gas stove according to claim 1, wherein a positioning member for positioning the front frame is provided on a front end of the fixed column or the housing.

4. 3. The gas stove according to claim 1, wherein an intrusion prevention wall is formed at the front end of the front frame portion, extending in the left-right direction and extending to at least the same height as the upper beam portion.

Citation Information

Patent Citations

  • Stove

    JP2020085369A