JP3928448B2 - Combustion device and method of manufacturing combustion device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to a combustion apparatus having a burner case, a substantially plate-like burner member attached in a standing state on a bottom plate of the burner case, and a method for manufacturing the combustion apparatus.
[0002]
[Prior art]
  FIG. 9 shows an overall view of the combustion apparatus 100 in the prior art.
  The combustion apparatus 100 includes a blower unit 2, a burner case unit 103, a heat exchange unit 4, an exhaust unit 5, and a front pipe 35. Then, the air introduced from the blower 2 and the gas supplied from the front pipe 35 are mixed and burned at the upper part of the burner case 103. Further, the heat generated by the combustion heats the water in the heat exchanging section 4, while the combustion gas is discharged to the outside through the exhaust section 5.
  In the present application, the left side in FIG. 9 will be described as the front side, the right side as the back side, the near side as the left side, and the back side as the right side.
[0003]
  The burner case portion 103 of the conventional combustion apparatus 100 has a structure as shown in FIG. 8 and includes a burner case 110 and a plurality of burner members 11. Here, the burner case 110 has a substantially rectangular parallelepiped shape and is surrounded by a bottom portion and four side surfaces, but does not have a member for closing the upper portion.
  The inside of the burner case 110 has a double bottom structure, and has a large bottom portion 115 and a middle bottom portion 116.
  The large bottom portion 115 of the burner case 110 is provided with a blower portion side opening 113 for connection to the blower portion 2.
  A portion of the middle bottom portion 116 has a step shape, and a connection port 94 is provided in the wall surface portion 118 having the step shape.
[0004]
  Each burner member 11 is substantially plate-shaped and has a structure in which the fuel and air supplied from the gas intake port 84 pass through the interior to reach the flame hole portion 83 located on the upper side, and the gas burns in the flame hole portion 83. Is provided.
[0005]
  As shown in FIG. 8, the burner members 11 are arranged upright on the middle bottom 116 of the burner case 110. As described above, the burner member 11 has a substantially plate shape, and the connection port 94 is located on the front side of the burner member 11.
  When the burner member 11 is put into the burner case 110, the burner is inserted from the upper opening side of the burner case 110 toward the middle bottom portion 116 side.
  In this way, the burner member 11 is inserted into the burner case 110 and placed on the middle bottom portion 116 of the burner case 110.
[0006]
  In the combustion apparatus 100, air is introduced into the burner case 110 from the blower side opening 113 of the burner case 110, the air reaches the connection port 94, and enters the gas intake port 84 of the burner member 11. Further, the fuel gas is supplied from the nozzle 120 to the connection port 94 of the burner case 110 and enters the gas intake port 84 of the burner member 11. In this way, fuel gas and air are introduced into the burner member 11 from the gas intake port 84 of the burner member 11, mixed in the burner member 11, reach the flame hole portion 83, and a flame is generated.
[0007]
[Problems to be solved by the invention]
  In the combustion apparatus 100 of the prior art, there are cases where the connection between the connection port 94 of the burner case 110 and the gas intake port 84 of the burner member 11 is not sufficient.
[0008]
  That is, in the conventional combustion apparatus 100, the connection port 94 of the burner case 110 and the gas intake port 84 of the burner member 11 are connected. Then, due to errors in the dimensions of the burner case 110 and the burner member 11, there is a possibility that rattling occurs between the burner member 11 and the burner case 110, and the connecting portion may be displaced.
[0009]
  Further, the combustion apparatus is assembled by assembling the entire combustion apparatus after assembling the burner case section 103, and this operation is usually performed by a separate process. When moving 103, the connection port 94 of the burner case 110 and the gas intake port 84 of the burner member 11 may be disconnected.
[0010]
  Further, by providing a seal member between the connection port 94 of the burner case 110 and the gas intake port 84 of the burner member 11, the airtightness of the connection port 94 and the gas intake port 84 may be further increased. However, since the conventional burner case 110 has a structure having a bottom and four side surfaces, the burner member 11 can inevitably be inserted only from the top. Therefore, when the burner member 11 is inserted, the upper part of the seal member and the burner member 11 come into contact with each other, and the upper part of the seal member is turned up. If fixed in such a state, airtightness is impaired.
[0011]
  As described above, when the connection port 94 and the gas intake port 84 are assembled with insufficient connection, a gap may be formed between the connection port 94 and the gas intake port 84 to cause gas leakage. If gas leaks from the gap, a combustion failure may occur, and the gas may leak to the outside and cause an accident. Furthermore, the leaked gas may burn outside the flame hole portion 83 inside the combustion apparatus, and the temperature of the wall portion may rise abnormally.
[0012]
  Therefore, the problem of the present invention is that the connection port of the burner case and the gas intake port of the burner member can be reliably connected, and gas leakage is prevented in advance. It is intended to provide a combustion apparatus that prevents accidents due to leakage and that does not cause temperature rise of walls and the like due to combustion other than the flame hole due to gas leakage. In addition, another object of the present invention is to provide a method for manufacturing such a combustion apparatus.
[0013]
[Means for Solving the Problems]
  And the invention of claim 1 for achieving the above-mentioned object is a combustion apparatus having a burner case having a bottom plate and a burner member which is substantially plate-like and is mounted on the bottom plate of the burner case. The bottom plate of the burner case has a holding member, and the burner member engages with the holding member and can be held in a substantially attached state.It is a feature.
  Here, the bottom plate of the burner case may not be the lowermost side of the burner case, and may be located below the burner member.
[0014]
  According to the first aspect of the present invention, the bottom plate of the burner case has the holding member, and the burner member is engaged with the holding member and is held in a substantially attached state. Therefore, the holding member can be temporarily fixed. It is hard to come off even during assembly.
[0015]
  According to a second aspect of the present invention, there is provided a combustion apparatus having a burner case having a bottom plate and a burner member that is substantially plate-like and is mounted on the bottom plate of the burner case. A holding member having a groove, and the groove engages with the lower side of the burner member and can be held in a substantially attached state.It is a feature.
  Here, the groove portion may have a short or long length in the longitudinal direction of the groove, such as a plate-like member having a long cut.
[0016]
  According to the second aspect of the present invention, the bottom plate of the burner case is provided with the holding member having the groove portion, and the groove portion engages with the lower side of the burner member and can be held in the substantially attached state. It is possible to easily hold the burner member by fitting the burner member into the above, and it is possible to easily produce the holding member.
[0017]
  According to a third aspect of the present invention, a connection port is provided in the burner case, the connection port is directed in the lateral direction, and an air and / or gas intake port is provided in the burner member to be connected to the connection port. The combustion apparatus according to claim 1 or 2, further comprising a seal member provided in the combustion apparatus, wherein the seal member is sandwiched between the connection port and the intake port in the attached state.
  Here, the side surface includes the front side, the back surface, and the left and right side surfaces, and the side surface direction is substantially perpendicular to the vertical direction.
[0018]
  According to the third aspect of the present invention, the combustion apparatus is provided with the seal member, and in the attached state, the seal member is sandwiched between the connection port and the intake port, so that the burner case and the burner member are adhered to each other by the seal member. Can increase the sex. In addition, the above-described holding member prevents the burner case and the burner member from being detached during the assembly, and maintains the state where the seal member is sandwiched. Therefore, the burner case and the burner member are detached and the seal member is displaced or detached. The adhesion can be further improved.
[0019]
  In the invention according to claim 1 or 2,The bottom plate of the burner case is provided with a biasing member, and the biasing member can bias the burner member substantially parallel to the bottom plate of the burner case.It is characterized by being.
[0020]
  Such inventionAccording to the above, the urging member can urge the burner member substantially parallel to the bottom plate of the burner case, and the urging member can be reliably urged.
[0021]
  Claim 4The urging member urges the burner member toward the connection port of the burner case.Any one of claims 1-3It is a combustion apparatus as described in above.
[0022]
  Claim 4According to the invention described in (1), since the biasing member biases toward the connection port of the burner case, the contact with the burner member at the connection port of the burner case is high and it is difficult to come off during the movement. In particular, when the seal member is provided at the connection port of the burner case, the seal member can be more reliably fixed.
[0023]
  In the invention according to claim 1 or 2,The holding member and the biasing member are integrated.It is a feature.
[0024]
  Such inventionSince the holding member and the urging member are integrated, the holding member and the urging member can be provided with a simple structure.
[0025]
  Claim 5The invention described in (2) has a plurality of burner members, and the burner members are arranged at a predetermined interval.Any one of claims 1-4It is a combustion apparatus as described in above.
[0026]
  Claim 5According to the invention described in (1), a plurality of burner members are disposed at a predetermined interval, and are suitable for applying the present invention.
  That is, since a plurality of burner members are arranged at a predetermined interval, it is difficult to adjust the connecting portion between the burner member and the burner case after the burner member is attached, but the burner member is held and temporarily fixed by the holding member. There is no rattling and no adjustment after installation is required.
[0027]
  Claim 6The invention described in (1) is characterized in that a part of the side surface of the burner case is removable.Any one of claims 1-5It is a combustion apparatus as described in above.
[0028]
  Claim 6According to the invention described in (1), since a part of the side surface of the burner case can be removed, the burner member can be inserted from the side surface side of the burner case.
[0029]
  Claim 7The invention described inAny one of claims 1-6The burner case manufacturing method according to claim 1, wherein the burner member is inserted into the burner case from the side of the side where the burner member is detached, and the burner member is engaged with the holding member and substantially attached. It is a method for manufacturing a combustion apparatus, characterized in that it is temporarily held in a state and then a part of the side surface of the burner case is attached.
[0030]
  Claim 7According to the invention described inIn any one of Claims 1-6The described combustion device can be easily assembled. That is, the burner member can be inserted from the side of the attaching / detaching portion of the burner case with a part of the side surface of the burner case being detached. Together, it can be easily held in a substantially attached state.
[0031]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, specific examples of the present invention will be described. FIG. 1 is a perspective view of a burner case portion of a combustion apparatus according to a first embodiment of the present invention. FIG. 2A is an exploded perspective view showing a burner case of the combustion apparatus according to the first embodiment of the present invention, and FIG. 2B shows an attaching / detaching portion of the combustion apparatus according to the first embodiment of the present invention. It is the perspective view shown rotated 90 degrees. FIG. 3 is an enlarged perspective view of a part of the burner case, the burner member, and the seal member of the combustion apparatus according to the first embodiment of the present invention. 4A is a cross-sectional view of the burner case portion of the combustion apparatus according to the first embodiment of the present invention, and FIG. 4B is a diagram illustrating a burner member as a holding biasing member according to the first embodiment of the present invention. It is sectional drawing which showed the state before temporarily fixing, (c) is sectional drawing which showed the state which temporarily fixed the burner member to the holding | maintenance biasing member in the 1st Embodiment of this invention. FIG. 5 is a side sectional view showing an overall view of the combustion apparatus of the present invention. FIG. 6 is a perspective view of the burner member of the combustion apparatus according to the present invention. FIG. 7 is an exploded perspective view of the burner member of the combustion apparatus according to the present invention.
[0032]
  The combustion apparatus 1 in the first embodiment of the present invention is substantially the same as the combustion apparatus 100 in the prior art, and only the burner case part 3 is different. And the structure inside the burner case part 3 of the combustion apparatus 1 is shown by FIG.
[0033]
  The burner case portion 3 includes a burner case 10 having a substantially rectangular parallelepiped case shape and a plurality of plate-like burner members 11 as in the combustion apparatus 100 in the prior art. A seal member 12 is provided between the burner member 11. The burner case portion 3 of the present embodiment has six burner members 11.
  The burner case 10 has a double bottom structure, similar to the combustion apparatus 100 in the prior art, and has a blower side opening 113 at the large bottom 115 of the burner case 10 to communicate with the blower 2, and the burner case 10. A heat exchange side opening 112 is provided on the upper side of the heat exchange part 4 and communicates with the heat exchange part 4.
[0034]
  As shown in FIG. 2A, the burner case 10 is composed of a case main body 75 and an attaching / detaching portion 76.
  The case main body 75 is a member having a substantially rectangular parallelepiped shape having no back side surface and no upper surface, and has a large bottom surface portion 74a, a right side surface portion 74b, and a left side surface portion 74c. The front side of the case body 75 is a part to which the front tube 35 is attached as shown in FIG. A vertical portion 92 of the partition plate 32 to be described later is exposed on the front side of the case main body portion 75.
  An attaching / detaching portion 76 described later is attached to the case body portion 75 on the back side, and has substantially the same shape as the conventional burner case 110.
[0035]
  A partition plate 32 is provided inside the case body 75. The partition plate 32 includes a portion that becomes the bottom plate (inner bottom portion 115) in the present application, and is a crank-shaped plate that is bent at two locations in the opposite direction substantially perpendicularly. As shown in FIG. 2, the vertical portion 92 of the partition plate 32 of the case main body 75 has six connection ports 94 that are through-holes at predetermined intervals, and the connection ports 94 face the side surfaces. Open.
  The shape of the connection port 94 is a long hole shape, and the vertical direction is longer than the horizontal direction. Further, the connection port 94 is subjected to burring, and the edge of the connection port 94 protrudes from the front side toward the back side.
[0036]
  The case body 75 has a double bottom structure as described above, and has a space 33 between the middle bottom 115 of the partition plate 32 and the large bottom surface 74a. The space 33 communicates with the blower side opening 113 and serves as a flow path for air from the blower 2.
  On the other hand, the burner member 11 is disposed on the upper side of the partition plate 32. Therefore, the partition plate 32 is located below the burner member and serves as the bottom plate (the middle bottom portion 115) of the burner case 10 as described above.
[0037]
  Further, a holding biasing member 78 is provided on the upper portion of the partition plate 32 of the case main body 75 and on the back side (the detachable portion 76 side).
  The holding biasing member 78 is shown in FIGS. The holding and biasing member 78 is a member obtained by bending a metal band-like plate upward in two places with the fold line parallel to the longitudinal direction, and has a bottom surface fixing portion 60, a front surface portion 61, and a rear surface portion 62. . The holding biasing member 78 is disposed such that the front surface portion 61 is in front of the rear surface portion 62, and is fixed to the partition plate 32 by the bottom surface fixing portion 60.
[0038]
  The front portion 61 of the holding and biasing member 78 described above faces the front portion 74 b of the case main body portion 75 in parallel. That is, the front surface portion 61 of the holding and urging member 78 stands vertically with respect to the middle bottom portion 115 of the burner case 10, and the surface thereof is parallel to the vertical portion 92 of the partition plate 32.
  A groove portion 80 is provided on the front surface portion 61 of the holding and biasing member 78 at a position corresponding to the connection port 94. Specifically, a groove 80 is provided on the central axis of the connection port 94. The groove part 80 is a vertical groove that penetrates in the front direction in the vertical direction, and the width thereof is substantially equal to the width of the flange part 50 of the burner member 11 described later.
[0039]
  The rear surface portion 62 is bent in a substantially “<” shape so that the front side is convex, and is further divided into six in the longitudinal direction. Further, the rear surface portion 62 can be elastically deformed, and when the burner member 11 is inserted, the burner member 11 is urged, and the rear surface portion 62 becomes the urging portion 81. The urging direction is directed toward the connection port 94 and is substantially parallel to the plate surface with respect to the middle bottom portion 115 of the burner case 10. Since the rear surface portion 62 has a substantially “<” shape so that the front side is convex, the burner member 11 can be easily inserted.
[0040]
  The holding and urging member 78 is a single member. In the first embodiment of the present invention, the groove 80 and the urging portion 81 are formed of the same member, so the holding member and the urging member are integrated. It will become.
[0041]
  The detachable part 76 is a plate-like member located on the back side of the burner case part 3. The case main body 75 and the detachable portion 76 of the burner case 10 are provided with screw holes 77, and the case main body 75 and the detachable portion 76 can be attached and detached with bolts. In addition, when mass-producing in a factory, the attaching / detaching part 76 may be attached by spot welding.
[0042]
  Further, as shown in FIG. 2A, a front side fixing portion 75 a is provided slightly below the upper end inside the case on the front side of the case main body 75. The front side fixing portion 75 a is a portion that fixes the front side of the burner member 11. Further, as shown in FIG. 2B, the case inner side of the attaching / detaching portion 76 has a back side fixing portion 76 a that is a portion for fixing the back side of the burner member 11. The front-side fixing part 75a and the back-side fixing part 76a are provided at positions corresponding to the connection ports 94, have a notch having a shape corresponding to the burner member 11, and are sandwiched inward to thereby burner member 11. To fix.
[0043]
  The burner member 11 has a substantially plate-like shape having a notch as shown in FIG. 3, and has a front-side notch 85 on the front side and a back-side notch 86 on the back. is doing. The shape of the front-side notch 85 matches the partition plate 32 described above. In addition, a holding biasing member 78 for the burner case 10 is provided in the vicinity corresponding to the back side cutout portion 86.
  Further, the burner member 11 is provided with a flange portion 50. The flange portion 50 includes a lower flange portion 51 located between the back side cutout portion 86 and the front side cutout portion 85 and a back vertical flange portion 52 located on the back side of the lower flange portion 51. .
[0044]
  On the upper side of the burner member 11, there is a flame hole portion 83 that is an opening, and the front-side cutout portion 85 has a gas intake port 84 that is an opening. Further, the gas intake port 84 is approximately the same size as the connection port 94.
[0045]
  The burner member 11 is shown in FIGS. 6 and 7 and has the following structure.
  That is, the burner member 11 is a light and dark combustion type burner, which is composed of four plates, the main component 20 is composed of the two central plates, and the sub component 21 is composed of the two on the side portion side. Yes. The four plates are provided with irregularities to form a series of flow paths. Between the two main components 20 in the center is a light gas flow path, and between the main structure 20 and the sub structure 21 is a concentrated gas flow path. The flame hole 83 is injected with a light gas from the center, and is injected with a concentrated gas from the surrounding thin flame holes. The inside of the gas inlet 84 on the lower end side of the side surface of the burner member 11 is divided into an air inlet 22 and a concentrated gas inlet 23, and only air is introduced from the air inlet 22, and from the concentrated gas inlet 23. Fuel gas and air are introduced. Then, the burner member 11 has a mixing portion 25, and air and fuel gas introduced from the rich gas inlet 23 are mixed in advance, and the mixed gas is branched into the light gas flow path and the rich gas flow path. The air inlet 22 is directly connected to the light gas flow path. The two sub-components 21 are in close contact with each other except for the flame hole portion 83 and the gas intake port 84 and form the flange portion 50 described above.
[0046]
  As shown in FIG. 3, the seal member 12 is a belt-like member, and is provided with an opening 12 a having substantially the same shape as the connection port 94, and the overall size is substantially the same as the vertical portion 92 of the partition plate 32. It is. The seal member 12 is made of a material that is deformed by compression. The seal member 12 is attached to the connection port 94 of the burner case 10 and is located on the back side of the vertical portion 92 of the partition plate 32 of the burner case 10, and the gas intake port 84 of the burner member 11 and the connection port 94 of the burner case 10. And is deformed by compression to enhance the airtightness of the burner member 11 and the burner case 10 to prevent gas leakage.
  The seal member 12 is soft and made of sponge rubber-based packing.
[0047]
  And the burner member 11 is attached in the state stood inside the burner case 10, and when the burner case part 3 is assembled, it will become like FIG. More specifically, the gas intake port 84 of the burner member 11 and the connection port 94 of the burner case 10 are connected, and the flame hole portion 83 of the burner member 11 faces the heat exchange side opening 112 of the burner case 10. . Further, the blower side opening 113 of the burner case 10 communicates with the connection port 94.
[0048]
  Next, a method for assembling the combustion apparatus 1 will be described. As described above, the portions other than the burner case portion 3 of the combustion apparatus 1 are the same as the combustion device 100 of the prior art, and the manufacturing method of the portions other than the burner case portion 3 of the combustion device 1 is the same as the prior art. Since it is the same, description is abbreviate | omitted.
[0049]
  First, as shown in FIG. 2, the seal member 12 is attached with the attaching / detaching portion 76 of the burner case 10 removed from the case main body portion 75. The seal member 12 is attached by combining the connection port 94 of the partition plate 32 and the opening 12a of the seal member 12 as shown in FIG. That is, the seal member 12 is moved in parallel with the vertical portion 92 of the partition plate 32, and the opening portion 12 a of the seal member 12 is moved from the back side to the front side of the vertical portion 92 while being aligned with the position of the connection port 94. Then, the seal member 12 is brought into close contact with the vertical portion 92. Further, the seal member 12 is attached to the partition plate 32 by fitting the inside of the opening 12 a so as to be outside the burring edge of the connection port 94.
[0050]
  Next, the burner member 11 is inserted. Here, in the present embodiment, the burner member 11 is inserted in a state where the attaching / detaching portion 76 of the burner case 10 is removed from the case main body portion 75. Therefore, in the burner case 10, the heat exchange side opening 112 which is the upper opening is connected to the position on the back side which the attaching / detaching portion 76 has, and a wide space can be secured in which the two surfaces are opened and the burner member 11 is inserted. Therefore, it is easy to insert the burner member 11. And the burner member 11 is pushed in toward the front side from the back side which is the attachment / detachment part 76 side.
[0051]
  Then, the connecting port 94 is inserted into the vertical portion 92 of the partition plate 32 and the inside of the gas intake port 84 while the lower flange portion 51 of the burner member 11 is inserted into the groove portion 80 of the holding biasing member 78. At this time, the seal member 12 is sandwiched between the vertical portion 92 of the partition plate 32 and the tip of the gas intake port 84. Further, the front side of the burner member 11 is aligned with the front side fixing portion 75 a of the case main body portion 75.
[0052]
  Further, the burner member 11 is pushed downward while moving to the front side. Then, as shown in FIG. 4B, the back vertical flange portion 52 of the burner member 11 pushes the urging portion 81, and the urging portion 81 is deformed to the back side. When the burner member 11 is further moved downward from this state, the lower flange portion 51 of the burner member 11 is in a horizontal state, and the burner member 11 is in the state of FIG. At this time, since the urging portion 81 is deformed to the back side, the burner member 11 is pushed by the urging portion 81 on the rear end side and is urged to the front side. That is, in the present embodiment, the burner member 11 is urged substantially parallel to the middle bottom portion 115 (bottom plate) of the burner case 10 by the urging portion 81. At this time, the urging portion 81 urges the burner member 11 against the connection port 94 of the burner case 10.
[0053]
  Therefore, in the case of FIG. 4C, the burner member 11 is in a temporarily fixed state in a substantially attached state, and the burner member 10 is moved to the next step by a conveyor or the like used in a normal assembly flow operation. 11 does not rattle.
  Moreover, since the insertion direction of the burner member 11 is a direction from the back side toward the front side, it is a direction toward the surface of the seal member 12, and the seal member 12 is not caught.
[0054]
  All the burner members 11 are attached to the case body 75 in the same manner, and the detachable member 76 is attached to the case body 75. This attachment is performed by passing a bolt through the screw hole 77. At this time, it is performed while fixing the back side of the burner member 11 to the back side fixing portion 76a. As a result, the burner member 11 is sandwiched between the front side fixing portion 75a and the back side fixing portion 76a and is completely fixed. And the burner case part 3 will be in the state of Fig.4 (a).
[0055]
  Furthermore, other members are assembled and the combustion apparatus 1 is completed. The combustion apparatus 1 can be used similarly to the combustion apparatus 100 of the prior art.
[0056]
  In the first embodiment of the present invention, the groove 80 serving as the holding portion of the holding and biasing member 78 has a thin thickness obtained by processing a metal plate, but has a large thickness and a long groove. But it ’s okay. Moreover, although the groove part 80 position was the back side, as long as it has on a baseplate, it may be anywhere and the front side may be sufficient. Furthermore, two or more grooves 80 can be provided.
[0057]
  Further, in the first embodiment of the present invention, the urging portion 81 of the holding urging member 78 is bent in a substantially “<” shape so that the front side is convex. There is no need, and it is sufficient that the burner member 11 can be urged after the burner member 11 is inserted into the burner case 10.
[0058]
【The invention's effect】
  Since the present invention is configured as described above, according to the combustion apparatus of the present invention and the combustion apparatus manufactured by the method of manufacturing the combustion apparatus of the present invention, the connection port of the burner case and the gas intake port of the burner member Therefore, it is possible to prevent accidents due to gas leakage, and to prevent temperature rise of walls and the like by burning other than the flame hole due to gas leakage.
[Brief description of the drawings]
FIG. 1 is a perspective view of a burner case portion of a combustion apparatus according to a first embodiment of the present invention.
FIG. 2 (a) is an exploded perspective view showing a burner case of a combustion apparatus according to a first embodiment of the present invention, and FIG. 2 (b) is an attachment / detachment portion of the combustion apparatus according to the first embodiment of the present invention. It is the perspective view shown rotated 90 degrees.
FIG. 3 is an enlarged perspective view of a part of the burner case, the burner member, and the seal member of the combustion apparatus according to the first embodiment of the present invention.
FIG. 4 (a) is a cross-sectional view of a burner case portion of the combustion apparatus according to the first embodiment of the present invention. (B) is sectional drawing which showed the state before temporarily fixing a burner member to the holding | maintenance biasing member in the 1st Embodiment of this invention. (C) is sectional drawing which showed the state which temporarily fixed the burner member to the holding | maintenance biasing member in the 1st Embodiment of this invention.
FIG. 5 is a side sectional view of a combustion apparatus according to the present invention.
FIG. 6 is a perspective view of a burner member of the combustion apparatus according to the present invention.
FIG. 7 is an exploded perspective view of a burner member of the combustion apparatus according to the present invention.
FIG. 8 is a perspective view of a burner case portion of a combustion apparatus in the prior art.
FIG. 9 is a side cross-sectional view of a combustion apparatus in the prior art.
[Explanation of symbols]
    1 Combustion device
  10 Burner case
  11 Burner members
  12 Seal member
  32 Partition plate
  78 Holding bias member
  80 groove
  81 Energizing part
  84 Gas intake
  94 Connection port

Claims (7)

In a combustion apparatus having a burner case having a bottom plate and a burner member that is substantially plate-shaped and is mounted on the bottom plate of the burner case, the bottom plate of the burner case has a holding member, and the burner member is held The bottom plate of the burner case is provided with an urging member, and the urging member urges the burner member substantially parallel to the bottom plate of the burner case. The combustion apparatus is characterized in that the holding member and the biasing member are integrated. In a combustion apparatus having a burner case having a bottom plate and a burner member that is substantially plate-shaped and is mounted in a standing state on the bottom plate of the burner case, the bottom plate of the burner case is provided with a holding member having a groove portion, Is engaged with the lower side of the burner member and can be held in a substantially attached state, and a biasing member is provided on the bottom plate of the burner case, and the biasing member substantially holds the burner member with respect to the bottom plate of the burner case. A combustion apparatus characterized in that the holding member and the urging member can be urged in parallel and are integrated.   The burner case is provided with a connection port, the connection port is directed in the lateral direction, the burner member is provided with an intake port for air and / or gas, and is connected to the connection port. The combustion apparatus according to claim 1, wherein the seal member is sandwiched between the connection port and the intake port in the attached state. 4. The combustion apparatus according to claim 1, wherein the urging member urges the burner member toward the connection port of the burner case. The combustion apparatus according to claim 1, comprising a plurality of burner members, wherein the burner members are arranged at a predetermined interval. The combustion apparatus according to any one of claims 1 to 5, wherein a part of the side surface of the burner case is detachable. The method for manufacturing a combustion apparatus according to any one of claims 1 to 6, wherein the burner case is inserted into the burner case from the side surface where the burner member is detached while a part of the side surface of the burner case is detached, and the burner member is held. A method for manufacturing a combustion apparatus, characterized by engaging a member and temporarily holding it in a substantially attached state, and thereafter attaching a part of a side surface of the burner case.

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