JP5033494B2 - Combustion device and arrangement structure thereof - Google Patents

Description

  The present invention relates to a combustion apparatus used by connecting an exhaust pipe to an exhaust port of exhaust gas via an adapter, for example, and an arrangement structure thereof.

  7 and 8, in a housing complex or the like, a combustion device such as a water heater 17 is inserted into the wall hole 22 formed in the wall 31 of the bathroom 30, and the water supply facing the common corridor 35 side is arranged. An air supply / exhaust portion of the water heater 17 is provided in the air chamber (chamber chamber) 36. In such an arrangement structure of the water heater 17, an exhaust cylinder 38 of exhaust gas exhausted from the exhaust port 8 is attached via an adapter 39 above the case 40 of the water heater 17. Moreover, the rear end surface 37 side of the wall-hole insertion of the water heater 17 is exposed in the bathroom 30, and the front panel 21 is also exposed in the bathroom 30 (for example, refer to Patent Document 1).

  The adapter 39 is provided so as to protrude beyond the front end surface 41 of the wall hole insertion of the water heater 17 (left side in FIGS. 7 and 9) as shown in FIGS. 7 to 9. The protruding part of the adapter 39 is screwed to the exhaust joint 42. The exhaust joint 42 is fixed to the front end surface 41 of the water heater 17 by screwing, whereby the adapter 39 is fixed to the water heater 17.

  Further, as shown in FIG. 9, the water heater 17 is formed by housing the internal unit 10 in the case 40, and the internal unit 10 is on the unit insertion port 24 side formed on one end surface side of the case 40. To the back end face 27 side of the case 40 and inserted in the direction indicated by the arrow A in FIG. The insertion tip surface 28 of the internal unit 10 is formed with an exhaust port 8 for exhaust gas generated by combustion of a burner (not shown in the figure) built in the housing 23 of the internal unit 10. An exhaust port 7 facing the exhaust port 8 is formed in the case 40.

  An exhaust seal packing 9 is provided on the insertion tip surface 28 of the internal unit 10 so as to surround the region where the exhaust port 8 is formed. By inserting the internal unit 10 in the direction of arrow A, the exhaust seal packing is provided. 9 is sandwiched between the case 40 and the internal unit 10 and compressed, and the internal unit 10 is detachably fixed in the case 40 in an airtight state. When the maintenance is required, the hot water heater 17 can move the internal unit 10 in the direction opposite to the arrow A and pull it out from the case 40 to perform the maintenance. It can be inserted in the direction of arrow A and fixed in a case 40 in an airtight state.

  For example, as shown in FIG. 10, a burner 1 and a heat exchanger heated by the burner 1 (here, a main heat exchanger 4 and a latent heat recovery heat exchanger) are provided in a housing 23 of the internal unit 10. 6) is built in. The main heat exchanger 4 is a heat exchanger that recovers sensible heat in the combustion gas, and the latent heat recovery heat exchanger 6 is located downstream of the main heat exchanger 4 in the flow of the combustion gas. Is provided. The latent heat recovery heat exchanger 6 is a heat exchanger that recovers the sensible heat and latent heat of the combustion gas. Below the latent heat recovery heat exchanger 6, there is a drain of the drain generated in the latent heat recovery heat exchanger 6. A tray 43 and drain discharge means (not shown) for discharging the drain to the outside of the water heater 17 are provided. The hot water heater 17 is provided with a combustion fan 5 for supplying and exhausting combustion of the burner 1, and a gas pipe (not shown) for supplying fuel to the burner 1 is connected to the burner 1. .

  The hot water heater 17 sends the air sucked from the outside by the rotation of the combustion fan 5 to the burner 1 through the blower chamber 25 as shown by the arrow in the figure, and is supplied through this air and the gas pipe. Burner burns with gas. The combustion gas generated by the burner combustion is sent from the combustion chamber 20 to the exhaust port 8 side and exhausted from the exhaust port 7 by the rotation of the combustion fan 5. Then, as shown by the arrow in FIG. 8, this exhaust gas passes through the exhaust pipe via the adapter 39 and is exhausted from the air supply chamber 36 to the shared hallway 35 side.

  When the burner 1 burns, when water from the water supply source is led to the latent heat recovery heat exchanger 6, the water passes through the latent heat recovery heat exchanger 6 and the main heat exchanger 4 in order. The hot water is heated and led to a shower outlet or a kitchen in the bathroom 30 through a hot water supply pipe (not shown) connected to the outlet side of the main heat exchanger 4 to supply hot water. Further, by connecting a hot water supply passage to the bathtub 26 to the hot water supply pipe, automatic hot water filling to the bathtub 26 is possible, and by providing a reheating circuit, reheating of the bathtub hot water is also possible.

No. 1-41000

  By the way, in the water heater 17 shown in FIGS. 7 to 10, the adapter 39 protrudes from the front end surface 41 of the wall hole insertion of the water heater 17 and is attached to the front side 41. When the depth dimension (for example, D in FIG. 7) is small, it is impossible to provide an arrangement structure in which the water heater 17 and the adapter 39 are provided in the air supply chamber 36 as shown in FIGS. Become. Therefore, in order to apply the conventional water heater 17, it has been difficult to reduce the depth of the air supply chamber 36 in the housing design to save space.

  The present invention has been made in order to solve the above-described problems. The object of the present invention is to provide an air supply chamber having a depth that is about the depth of the combustion device even if the depth of the air supply chamber is small. An object of the present invention is to provide a combustion apparatus that can be arranged and an arrangement structure thereof.

  In order to achieve the above object, the present invention has the following configuration as means for solving the problems. That is, in the combustion apparatus of the first invention, an internal unit including a burner and a heat exchanger heated by the burner is contained in the casing from the unit insertion port side formed on one end surface side of the case. Inserted toward the back end surface side of the case and accommodated in the case, an exhaust port for exhaust gas generated by combustion of the burner is formed on the upper surface of the housing near the insertion tip of the internal unit, A packing position regulating member for regulating the arrangement position of the exhaust seal packing is provided on the upper surface side of the housing, and the position is regulated by the packing position regulating member so as to surround the exhaust port. An exhaust seal packing is provided, and an exhaust port facing the exhaust port of the housing is formed in the upper surface wall of the case, and the case upper surface wall surrounding the exhaust port protrudes downward to A seal portion is provided for pressing the air seal packing, and the internal unit moves in the insertion direction while the exhaust seal packing is pushed from above by the seal portion of the case and compressed when the internal unit is inserted. A packing pressing member that prevents the inner unit insertion tip side of the exhaust seal packing from turning upward is fixed to the housing side, and the exhaust port of the case and the exhaust port of the internal unit coincide with each other. The internal unit and the case are aligned at a position where the exhaust seal packing is compressed by the seal portion of the case in the peripheral region of the exhaust port, and the internal unit is detachable in an airtight state in the case It is a means for solving the problems with the configuration fixed to the.

  The combustion apparatus according to the second aspect of the invention is arranged such that the combustion apparatus of the first invention is inserted into a wall hole formed in a bathroom wall, and the rear end surface side of the wall hole insertion of the combustion apparatus is in the bathroom. An exhaust pipe for exhaust gas exhausted from the exhaust port is attached via an adapter to the exhaust port side of the case of the combustion device, and the adapter is attached from a front end surface of the wall hole insertion of the combustion device. It is attached in an airtight state to the combustion device in a manner that does not protrude.

  According to the present invention, an internal unit having a burner and a heat exchanger heated by the burner built in the housing is connected to the back end surface side of the case from the unit insertion port side formed on the one end surface side of the case. The exhaust gas exhaust port of the burner is formed on the upper surface of the housing near the insertion tip of the internal unit, and the exhaust port facing this exhaust port is the case. Is provided on the top wall. Therefore, when connecting the combustion device to the exhaust tube, unlike the case of providing the exhaust port on the front end surface side of the combustion device as in the conventional example, the connection adapter is made to correspond to the exhaust port of the case and the upper surface of the case. Therefore, it is not necessary to mount the adapter so as to protrude in the depth direction of the combustion device. If the depth dimension of the air supply chamber is about the depth dimension of the combustion device, the combustion device can be arranged in the air supply chamber. .

  In the combustion apparatus of the present invention, both the case and the exhaust port of the internal unit are provided on the upper side. The characteristic exhaust seal configuration allows the internal unit to be detachably fixed in the case in an airtight state. it can. That is, on the upper surface side of the housing of the internal unit, an exhaust seal packing is provided on the upper surface of the housing so as to surround the exhaust port, and the case upper wall surrounding the exhaust port of the case has a lower surface. Since the seal portion that protrudes to the side and presses the exhaust seal packing is provided, the internal unit moves in the insertion direction while the exhaust seal packing is compressed by the seal portion.

  At this time, a force in the insertion direction due to the insertion movement of the internal unit is applied to the exhaust seal packing together with the pressing force by the seal portion. In the present invention, the packing position regulation for regulating the arrangement position of the exhaust seal packing is performed. Since the member is provided, the position of the exhaust seal packing is regulated by the packing position regulating member, and the exhaust seal packing is moved in the insertion direction by the pressing force and the force in the insertion direction, so that the arrangement position is changed. Shifting can be suppressed.

  In the present invention, the internal unit is inserted into the exhaust seal packing by moving the internal unit in the insertion direction while the exhaust seal packing is pushed from above by the seal portion of the case and compressed when the internal unit is inserted. A force is also applied in the direction in which the front end side is turned up, but since the packing pressing member for preventing the exhaust seal packing from being turned up is fixed to the housing side, the exhaust seal is provided. It is possible to prevent the packing from rolling up.

  Then, when the internal unit and the case are aligned at a position where the exhaust port of the case and the exhaust port of the internal unit are aligned by insertion of the internal unit into the case, In a state where the exhaust seal packing is compressed by the seal portion of the case in the peripheral region, the internal unit can be detachably fixed in the case in an airtight state.

  Further, according to the arrangement structure of the combustion apparatus of the present invention, the combustion apparatus of the present invention is applied and inserted into the wall hole of the bathroom wall, and the exhaust gas exhaust pipe is attached to the combustion apparatus via the adapter, thereby Can be attached to the combustion device in an airtight manner in a manner that does not protrude from the front end surface of the wall hole insertion of the combustion device, so that if the depth dimension of the air supply chamber is about the depth dimension of the combustion device, Can be placed indoors.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the description of the present embodiment, the same reference numerals are assigned to the same name portions as those in the examples described so far, and the duplicate description is omitted or simplified.

  In FIG. 2, a side view of a water heater 17 which is an embodiment of the combustion apparatus of the present embodiment is shown together with an adapter 39. As shown in the figure, in the present embodiment example, the internal unit 10 is inserted in the direction of arrow A from the unit insertion port 24 side of the case 40 toward the back surface 27 side of the case 40 in the same manner as the conventional example. 40 is housed and formed.

  FIG. 1 is a schematic cross-sectional view showing a characteristic exhaust seal configuration in the water heater 17 of the present embodiment. As shown in FIGS. 1 and 2, the features of the present embodiment are shown. The typical configuration is that both the case 40 and the exhaust ports 7 and 8 of the internal unit 10 are provided on the upper side, and a characteristic exhaust seal configuration as shown below is provided so that the internal unit 10 is sealed in the case 40. It can be detachably fixed with.

  That is, in the present embodiment, the exhaust port 8 of the internal unit 10 is formed near the insertion tip of the internal unit 10 on the upper surface 2 of the casing 23 of the internal unit 10 (closest to the left end in FIGS. 1 and 2). An exhaust port 7 facing the exhaust port 8 of the housing 23 is formed in the upper surface wall 3 of the case 40.

  Further, on the upper surface 2 side of the housing 23, a packing position restriction member 11 that restricts the arrangement position of the exhaust seal packing 9 is provided, and the packing position restriction member 11 extends along the upper surface 2 of the housing 23. The metal bottom plate portion 18 is provided, and a metal cut-and-raised plate portion 19 cut and raised upward from the bottom plate portion 18 is formed. Further, the position is regulated by the packing position regulating member 11, and an exhaust seal packing 9 is provided on the upper surface of the housing 23. The exhaust seal packing 9 surrounds the exhaust port 8 as shown in FIG. It is provided in an aspect. A seal portion 12 that presses the exhaust seal packing 9 is provided on the case upper surface wall 3 surrounding the exhaust port 7 of the case 40 so as to protrude downward.

  Further, the internal unit 10 is provided with a packing pressing member 13 on the distal end side of the exhaust seal packing 9, and the packing pressing member 13 is disposed on the housing 23 side through the bottom plate portion 18 of the packing position regulating member 11. It is fixed and provided. That is, in the present embodiment, the packing pressing member 13 is provided on the upper end of the exhaust seal packing 9 with its tip bent obliquely, and is fixed to the bottom plate portion 18 of the packing position regulating member 11 with the screw 43. When the internal unit 10 is inserted, the packing holding member 13 is moved by the internal unit 10 in the insertion direction while the exhaust seal packing 9 is pressed and compressed from above by the seal portion 12 of the case 40, whereby the exhaust seal packing 9 This prevents the inner unit insertion distal end side from turning up.

  The hot water heater 17 is configured such that the internal unit 10 and the case 40 are aligned at a position where the exhaust port 7 of the case 40 and the exhaust port 8 of the internal unit 10 coincide with each other. The exhaust seal packing 9 is compressed by the seal portion 12 of the case 40, and the internal unit 10 is detachably fixed in the case 40 in an airtight state.

  The present embodiment is configured as described above. At the time of manufacturing the water heater 17, the internal unit 10 is inserted from the unit insertion port side 24 of the case 40 toward the back end surface 27 side of the case 40. Housed inside. Similarly, the internal unit 10 is inserted into the case 40 after the internal unit 10 is removed from the case 40 during maintenance.

  During this insertion, the exhaust seal packing 9 is pushed from the upper side by the seal portion 12 of the case 40 and compressed, and the internal unit 10 moves in the insertion direction, whereby the pressing force from the seal portion 12 is applied to the exhaust seal packing 9. A force in the moving direction of the internal unit 10 is applied, and a force is also applied in the direction in which the internal unit insertion tip end is turned up. However, the displacement of the exhaust seal packing 9 is restricted by the packing position restricting member 11. Further, since the exhaust seal packing 9 is prevented from being turned up by the packing pressing member 13, the internal unit 10 can be appropriately inserted into the case 40 without causing the exhaust seal packing 9 to be displaced or turned up. Is done.

  Then, when the internal unit 10 and the case 40 are aligned at a position where the exhaust port 8 of the internal unit 10 and the exhaust port 7 of the case 40 coincide with each other, In a state where the exhaust seal packing 9 is compressed by the seal portion 12, the internal unit 10 can be detachably fixed in the case 40 in an airtight state.

  As shown in FIG. 4, an adapter 39 is attached in an airtight state on the seal portion 12 of the case 40 of the water heater 17 via the packing 15. It is fixed to the upper surface wall 3. And the arrangement of the hot water heater 17 is performed by being inserted and arranged in the wall hole 22 formed in the wall 31 of the bathroom 30, as shown in FIG. 5, for example, as shown in FIG. The exhaust gas of the burner 1 is exhausted from the upper side of the hot water heater 17. Then, as shown in FIG. 5, the rear end surface 37 side of the water heater 17 inserted into the wall hole is exposed in the bathroom 30, and the exhaust port 7 side of the case 40 of the water heater 17 is exhausted from the exhaust port 7. Although the exhaust gas exhaust cylinder 38 is attached via the adapter 39, the adapter 39 does not protrude from the distal end surface 41 of the wall heater insertion of the water heater 17.

  Therefore, in the present embodiment, even if the depth dimension D of the air supply chamber shown in FIG. 5 is smaller than the size shown in FIG. Can be arranged. Therefore, for example, when applied to an apartment house to be constructed in the future, the depth of the air supply chamber 36 can be reduced, and the space such as the common corridor 35 can be expanded to effectively use the space.

  In addition, this invention is not limited to the said embodiment, It can take various aspects. For example, in the embodiment described above, the packing position regulating member 11 has the bottom plate portion 18 and the cut and raised plate portion 19, but the configuration of the packing position regulating member 11 is not particularly limited and is appropriately set. For example, the position of the exhaust seal packing 9 may be regulated through a metal plate, a metal wire or the like inside the exhaust seal packing 9 in a mode that does not prevent the exhaust seal packing 9 from being pressed and compressed by the seal portion 12.

  In addition, although the hot water heater 17 is given as an example of the combustion apparatus, the combustion apparatus to which the present invention is applied is an appropriate combustion apparatus such as a bath tub or a composite water heater having both functions of a water heater and a bath tub. In addition, the heat exchanger may or may not have a latent heat recovery heat exchanger, and may be of a combustion type or an oil combustion type.

It is explanatory drawing which shows typically the exhaust seal structure in one embodiment of the combustion apparatus which concerns on this invention. It is a side view which shows the combustion apparatus of the said embodiment example with an adapter. It is a perspective view which shows the structure by the side of the insertion tip to the case of the internal unit applied to the said embodiment example. It is sectional drawing which shows typically the attachment structure of the adapter to the combustion apparatus of the said embodiment. 1 is a schematic cross-sectional view showing an embodiment of an arrangement structure of a combustion apparatus according to the present invention. It is a schematic diagram which shows operation | movement of the combustion apparatus arrange | positioned by the arrangement structure shown in FIG. It is typical sectional drawing which shows an example of the arrangement structure of the conventional combustion apparatus. It is a typical perspective view which shows an example of the arrangement structure of the conventional combustion apparatus. It is a side view which shows the combustion apparatus of a prior art example with an adapter. It is a schematic diagram which shows operation | movement of the combustion apparatus arrange | positioned by the arrangement structure shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Burner 2 Upper surface 3 Upper surface wall 4 Main heat exchanger 5 Combustion fan 6 Heat exchanger for latent heat recovery 7, 8 Exhaust port 9 Exhaust seal packing 10 Internal unit 11 Packing position restricting member 12 Sealing part 13 Packing pressing member 15 Packing 17 Water heater 18 Bottom plate portion 19 Cut and raise plate portion 22 Wall hole 23 Case 24 Unit insertion port 30 Bathroom 39 Adapter 40 Case

Claims (2)

  An internal unit having a burner and a heat exchanger heated by the burner built in the housing is inserted from the unit insertion port side formed on one end surface side of the case toward the back end surface side of the case. An exhaust port for exhaust gas generated by combustion of the burner is formed in the upper surface of the housing near the insertion tip of the internal unit, and the exhaust seal packing is disposed on the upper surface side of the housing. A packing position restricting member for restricting the position is provided, and an exhaust seal packing is provided on the upper surface of the casing in such a manner that the position is restricted by the packing position restricting member and surrounds the exhaust port; The upper surface wall of the casing is formed with an exhaust port facing the exhaust port of the housing, and the case upper surface wall surrounding the exhaust port protrudes downward to press the exhaust seal packing. The internal unit of the exhaust seal packing is moved by the internal unit moving in the insertion direction while being compressed by being pushed from above by the seal portion of the case when the internal unit is inserted. A packing pressing member that prevents the insertion tip side from turning upward is fixedly provided on the housing side, and the internal unit is located at a position where the exhaust port of the case and the exhaust port of the internal unit coincide with each other. The case is aligned, the exhaust seal packing is compressed by a seal portion of the case in a peripheral region of the exhaust port, and the internal unit is detachably fixed in the case in an airtight state. Combustion device.   The combustion apparatus according to claim 1 is inserted into a wall hole formed in a bathroom wall, and a rear end surface side of the wall hole insertion of the combustion apparatus is exposed in the bathroom, and is located on an exhaust port side of the case of the combustion apparatus. An exhaust pipe for exhaust gas exhausted from the exhaust port is attached via an adapter, and the adapter is attached to the combustion device in an airtight manner in such a manner that it does not protrude from the front end surface of the wall hole insertion of the combustion device. An arrangement structure of a combustion apparatus,

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