JP5014667B2 - Installation structure and method of piping cover for water heater - Google Patents

Description

  The present invention relates to an installation structure and method of a water heater pipe cover in which vibration sound generated by a water heater is difficult to be transmitted indoors via a pipe cover installed to conceal a piping system.

  The water heater is installed between a water pipe and a faucet so that hot water can be used directly from the faucet, and is formed with a structure that can heat tap water with gas while twisting the faucet.

  Moreover, in the case of a hot water heater with a large capacity, there are many examples where it is installed as an outdoor type that is attached using an outer wall. In addition, the outdoor water heaters installed in this way are connected to the pipe ends such as gas pipes and water pipes underneath them, and the pipe ends are connected to predetermined positions separately. become.

And the piping system routed at the lower position of the water heater is usually located outdoors, and from the viewpoint of preventing dust from being covered or trying to improve the appearance, for example, Patent Document 1 below. Is covered with a piping cover as disclosed in the above.
Registration No. 3034220 Utility Model Gazette

  In this case, the piping cover is directly connected to the hot water supply side and fixed to the outer wall side as shown in FIG.

  On the other hand, with regard to apartment houses where the above-mentioned hot water heaters are installed, the tendency to increase in height is increasing year by year, and the demand for weight reduction becomes stronger as the increase in the height increases. In many cases, the outer wall is constructed using a lightweight panel material such as an ALC panel.

Moreover, in a multi-storied apartment house, a water heater is usually firmly attached via an outer wall located on the veranda side, and the piping system of the water heater is covered with a pipe cover.

  However, when the water heater and the piping cover are installed on the outer wall side of the multi-layered apartment house under the connection structure disclosed in Patent Document 1, vibrations generated by the water heater are directly connected. However, there is an inconvenience that it is transmitted to the indoor side through the pipe cover and the outer wall having poor sound insulation performance, and the living environment where quietness is required is significantly impaired.

  The present invention provides an installation structure and method of a water heater pipe cover that makes it difficult for vibration noise generated by a water heater to be transmitted to the indoor side in view of the above-described problems found in the prior art including Patent Document 1. Has a purpose.

The present invention has been made to achieve the above object, and the first invention (installation method) of the present invention conceals a piping system disposed below a water heater fixed on the outer wall surface side of a building. In the method of installing a water heater pipe cover to install a pipe cover, a female screw part disposed on the pipe cover side to screw and connect the pipe cover and the water heater, and an inner diameter of the female screw part has a length dimension of the vertical width than, and a connecting hole of oval provided to the water heater side to the lateral and longitudinal direction, the connecting hole and the center position of the female screw portion A step of temporarily fixing the pipe cover to the water heater at at least two locations in a state in which the center positions in the vertical width direction are aligned with each other. And fixing the position of the piping cover on the outer wall surface side, The pipe cover fixed on the wall surface side is screwed to the female screw portion using a screw having an outer diameter that is not in contact with the connection hole of the water heater after the temporarily fixed state is released. The main feature is that it includes at least a process of fixing the position in a floating state with respect to the water heater side.

In this case, it is preferable that the female screw portion is integrally disposed as a cap nut on the pipe cover. Moreover, it is desirable that the screw is screwed to the female screw portion through a through hole of a bushing material attached to the connection hole on the water heater side .

  On the other hand, the second invention (installation structure) is characterized in that the pipe cover is installed by the method for installing the water heater pipe cover according to any one of claims 1 to 3.

  According to the present invention, the piping cover covering the piping system of the water heater can be firmly fixed on the outer wall surface side of the building, but is floated and connected to the water heater side in a non-contact state. Therefore, it can be installed so as not to transmit the vibration sound generated by the water heater to the outer wall side through the pipe cover, and can effectively contribute to ensuring the quietness of the living environment.

  FIG. 1 is an explanatory view illustrating the outline of the state of a second invention (installation structure) in which a pipe cover is installed in a water heater by applying the first invention (installation method) of the present invention, of which (A) is a right side view, and (b) is a front view corresponding to (a). 2-9 is explanatory drawing which shows the example of an installation process of the piping cover which concerns on 1st invention.

  According to these figures, in the high-rise apartment house 102 in which the outer wall 103 is constructed using a lightweight panel material such as a building 101, particularly an ALC panel, the water heater 1 is appropriately used by utilizing a space such as an outdoor veranda. The position is firmly fixed to the outer wall surface 103a under the anti-vibration structure.

Moreover, the water heater 1 includes a pair of left and right projecting pieces 4 and 4 suspended from the bottom surface 3 positioned on the front side thereof, and the projecting pieces 4 are formed in an oval shape whose lateral direction is the length direction. and through each connecting hole 5 shown in FIG. 1 1 and is capable of connecting the pipe cover 11 side which will be described later.

  A pipe system 6 including a gas pipe and a water pipe is disposed below the water heater 1 fixed in position using the outer wall surface 103a. In addition, the piping system 6 is covered with a piping cover 11 in order to ensure rain and ensure aesthetics.

  In this case, the piping cover 11 includes a cover main body portion 12 connected to the hot water heater 1 side and the outer wall surface 103 a side, a rain closing portion 32 that covers the upper surface of the back side of the cover main body portion 12, and the cover main body portion 12. It is comprised with the front surface cover part which does not illustrate the front surface so that attachment or detachment is possible.

  Among these, the cover main body part 12 has substantially the same length as the lateral width on the front side of the water heater 1 and the side plate part 13 arranged on the left and right sides with the same width as the outer plate 2 positioned on the left and right of the water heater 1. The side plate portions 13 and 13 that are arranged with a separation distance secured to each other are formed in a support frame shape by the upper support portion 16 and the lower support portion 26 that connect each other.

  Each side plate portion 13 in the cover main body portion 12 has a flat folded portion 13a formed by bending the upper edge portion thereof by approximately 90 degrees on the inner side, and the bottom surface 3 side of the water heater 1 through the flat folded portion 13a. For example, an appropriate sealing material 28 such as a product name “Epto Sealer” manufactured by Nitto Denko can be disposed.

  The upper support portion 17 in the cover main body portion 12 is formed to have a substantially L-shaped cross section so that the front upper corner portion of each side plate portion 13 can be disposed through a notch portion 14 that is cut out in a rectangular shape. Has been. In this case, the upper support portion 17 is arranged such that the upright piece portion 17a is arranged on the vertical side opposite to the cutout portion 14 and the horizontal side portion 17b is arranged on the horizontal side side so that the side plate portions 13 and 13 are mutually connected. It is connected. In addition, the code | symbol 20 in a figure shows the tongue piece used when attaching the front cover part which does not illustrate which covers the front surface of the cover main-body part 12. As shown in FIG.

  Moreover, the upright piece 17a located on the upper support portion 17 and facing the connecting hole 5 of each protruding piece 4 of the water heater 1 on the back side at the time of installation is provided on the side facing the connecting hole 5. A cap nut portion 19 as a female screw portion 18 in which the opening 18a is located is separately provided, and a screw 22 made of a bolt material or the like can be screwed while leaving a part thereof. .

  In this case, the connecting hole 5 of the projecting piece 4 on the water heater 1 side and the cap nut portion 19 on the piping cover 11 side are closer to the center of the opening 18a of the cap nut portion 19 and the inner diameter of the opening 18a. The arrangement is such that the piping cover 11 can be installed under a state in which the center position of the connecting hole 5 in the long vertical width direction is directly opposed.

  More specifically, this will be described in relation to the dedicated jig shown in FIG. 11A. The dedicated jig 42 includes a gripping portion 42a having an appropriate outer diameter and a connecting hole from the front end surface of the gripping portion a. Formed by a centering portion 42b that has a diameter slightly smaller than the vertical width of 5 and a male screw portion 42c that is screwed into the cap nut portion 18 at the same center position from the front end surface of the centering portion 42b. Has been. The screw 22 having a head portion 22a having a diameter larger than the vertical width of the connecting hole 5 at the top has a male screw portion 22b having the same outer diameter as that of the male screw portion 42c of the dedicated jig 42.

  For this reason, the dedicated jig 42 is screwed into the cap nut portion 19 side with the male screw portion 42c in a state in which the centering portion 42b is positioned in the connecting hole 5, so that the opening 18a of the cap nut portion 19 is opened. The center position and the center position in the longitudinal width direction of the connecting hole 5 on the water heater side 1 can be made to face each other.

  Further, each side plate portion 13 in the cover main body portion 12 includes a folded portion 15 that is bent at a substantially right angle inside a portion that abuts on the outer wall surface 103a when the cover plate portion 12 is installed. Two oblong holes 15a are formed at two locations.

  Further, each side plate portion 13 in the cover main body portion 12 is formed with a notch portion 16 having the same shape on the upper rear side, and a rain finish portion that covers the upper back of the cover main body portion 12 through these notch portions 16. 32 can be arranged.

  Next, an installation method of the water heater pipe cover according to the first invention will be described below with reference to FIGS. In this case, the pipe cover 11 has a hot water heater 1 firmly fixed to the outer wall surface 103a side of the outer wall 103 constructed by using a lightweight panel material such as an ALC panel in the high-rise apartment 102, below the water heater 1. It is installed to conceal the piping system 6 provided. Installation of the piping cover 11 at this time is performed through the following steps.

  When installing the piping cover 11 on the existing water heater 1 as shown in FIG. 1, first, on the flat folded portion 13a provided on each side plate portion 13 of the cover main body portion 12 as shown in FIGS. Then, after the sealing material 28 is separately arranged on the upper edge of the rain closing portion 32, the rain closing portion 32 is attached to the back side upper surface side of the cover main body portion 12 as shown in FIG.

  After attaching the rain closing part 32 to the cover main body 12 in this way, as shown in FIG. 6, the vertical width of the connecting hole 5 of each protruding piece 4 provided as a pair with the water heater 1. The center position in the direction and the center position of the opening 18a of the cap nut portion 19 as the female screw portion 18 included in the upper support portion 17 in the cover main body portion 12 are matched with each other using the dedicated jig 42. The process of temporarily fixing to the container 1 side is performed.

  At this time, the connecting hole 5 of each projecting piece 4, the cap nut portion 19, and the dedicated jig 42 have an arrangement relationship shown in FIG. In other words, the dedicated jig 42 has a centering portion 42b arranged in the full width of the connecting hole 5 of the projecting piece 4, and the male screw portion 42c is screwed with the cap nut portion 19 so as to be connected. The pipe cover 11 side is temporarily fixed to the hot water heater 1 side at two locations in a state where the center position of the hole 5 in the vertical width direction and the center position of the opening 18a of the cap nut portion 19 are matched. become.

  After the piping cover 11 side is temporarily fixed to the water heater 1 side in this way, the outer wall is inserted through an oval hole 15a provided in the folded portion 15 provided in each side plate portion 13 as shown in FIG. 7 and FIG. The process of fixing the position of the piping cover 11 to the outer wall surface 103a of the 103 with the screw 23 is performed. At this time, the rain closing portion 32 is also fixed to the outer wall surface 103 a of the outer wall 103 with the screw 23.

  Thus, after the piping cover 11 and the rain closing part 32 are fixed to the outer wall surface 103a, the screwing state of the dedicated jig 42 temporarily fixing the piping cover 11 side to the water heater 1 side is released and removed. 9, the screw 22 is screwed into the cap nut 19 side on the piping cover 11 side through the connection hole 5 on the water heater 1 side, and the process of fixing the position is performed.

  In this case, a bushing material 24 made of anti-vibration round rubber or the like having a through hole 24a having a diameter slightly larger than the outer diameter of the male screw portion 22b of the screw 22 is attached to the connecting hole 5 in advance. The male screw portion 22 b of the screw rod 22 is screwed with the cap nut 19 through the through hole 24 a of the material 24.

  Therefore, the screw 22 is connected to the pipe cover 11 side in a state of non-contact with the connection hole 5 of the water heater 1. That is, the position of the piping cover 11 side is fixed in a state of being floated with respect to the water heater 1 side. Since the head 22a of the screw 22 has an outer diameter larger than the vertical width of the connecting hole 5, the screw 22 side is not affected when any strong external force is applied to the pipe cover 11 side. There is no separation from the connecting hole 5 side.

  For this reason, according to the present invention, the piping cover 11 covering the piping system 6 of the water heater 1 can be firmly fixed to the outer wall surface 103a side of the high-rise apartment house 102, but with respect to the water heater 1 side. 10 and 11 (b) can be floated and connected in a non-contact state, so that the vibration sound generated by the water heater 1 is transmitted to the outer wall 103 side through the pipe cover 11. It can be effectively installed to ensure the calmness of the living environment.

  The above is the description of the present invention based on the illustrated examples, and various modifications can be made to the specific contents without departing from the gist of the present invention. For example, on the pipe cover 11 side, the cap nut 19 integrated with the upper support member 17 is not provided, but a screw hole is simply formed, or a nut material is disposed separately from the opening 18a and the female screw part 18 is formed. The screw 22 may be screwed together. Further, the bushing material 24 may not be attached to the connection hole 5. Furthermore, the arrangement of the sealing material 28 can be omitted if desired. Furthermore, the present invention can be applied not only to high-rise apartments but also to various buildings including other general houses as required.

It is explanatory drawing which illustrates the outline | summary of the state of 2nd invention (installation structure) which applied the 1st invention (installation method) and installed the piping cover in the water heater, Among them, (a) is a right view. , (B) respectively show front views corresponding to (a). The perspective view which shows the arrangement | positioning relationship between a piping cover and a rain closing part. The perspective view which shows the arrangement | positioning relationship between a piping cover, a rain closing part, and a sealing material. The perspective view which shows the state which has arrange | positioned the sealing material to the piping cover and the rain closing part. The perspective view which shows the state which has arrange | positioned the rain closing part in the piping cover. The perspective view which shows the state which temporarily fixed the piping cover to the water heater side. The perspective view which shows the temporary fix | stop state at the time of fixing the position of a piping cover to an outer wall surface. The perspective view which shows the mode of the temporarily fixed state cancellation | release after fixing the position of a piping cover to an outer wall surface. The perspective view which shows the state at the time of connecting a piping cover to the water heater side via a screw. The principal part expansion explanatory drawing which shows the state which finished installation of the piping cover. It is explanatory drawing which shows the attachment process to the water heater side of a piping cover, of which (a) is the state at the time of fixing to the outer wall surface at the time of temporary fixing using an exclusive jig, (b) is a screw The arrangement | positioning state of the piping cover side at the time of using and attaching and the water heater side is each shown.

DESCRIPTION OF SYMBOLS 1 Water heater 2 Outer plate 3 Bottom face 4 Projection piece 5 Connection hole 6 Piping system 11 Piping cover 12 Cover main body part 13 Side plate part 13a Flat turning part 14 Notch part 15 Turning part 15a Oval hole 16 Notch part 17 Upper support part 17a Standing piece portion 17b Horizontal piece portion 18 Male screw portion 18a Opening 19 Cap nut 20 Tongue piece 22 Screw 22a Head portion 22b Male screw portion 23 Screw 24 Bushing material 24a Through hole 26 Lower support portion 28 Sealing material 32 Rain closing portion 42 Dedicated Jig 42a Grasping part 42b Centering part 42c Male thread part 101 Building 102 High-rise apartment 103 Outer wall 103a Outer wall surface

Claims (4)

In the installation method of the piping cover for a water heater, in which a piping cover is installed to conceal the piping system arranged below the water heater fixed on the outer wall surface side of the building,
A female screw portion disposed on the pipe cover side for screwing and connecting the pipe cover and the water heater to each other; a vertical width longer than the inner diameter of the female screw portion; and a lateral direction thereof And an elliptical connecting hole provided on the water heater side in the length direction so that the center position of the female screw portion and the center position of the connecting hole in the longitudinal width direction face each other. A step of temporarily fixing the piping cover to the water heater side in at least two locations under
A step of fixing the position of the piping cover to the outer wall surface under the temporarily fixed state;
The pipe cover fixed on the outer wall surface side is screwed to the female thread portion using a screw having an outer diameter that is not in contact with the connection hole of the water heater after the temporarily fixed state is released. And a step of fixing the position in a state of being floated with respect to the water heater side.   The method for installing a water heater pipe cover according to claim 1, wherein the female screw part is integrally provided as a cap nut on the pipe cover. 3. The method of installing a water heater pipe cover according to claim 1, wherein the screw thread is screwed to the female thread portion through a through hole of a bushing member attached to the connection hole on the water heater side .   An installation structure of a water heater pipe cover, wherein the pipe cover is installed by the method for installing a water heater pipe cover according to any one of claims 1 to 3.

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