JP4664758B2 - Back piping fitting mounting structure - Google Patents

Description

  The present invention relates to a mounting structure for a back piping tool for connecting a water supply pipe and a hot water supply pipe to a faucet of a bathroom or the like.

  Conventionally, an assembled bathroom (so-called unit bath) is constructed by assembling members such as a waterproof pan, a bathroom, a wall, and a ceiling, and a faucet such as a hot and cold water mixing faucet is installed on the inner surface of the side wall of the bathroom. ing. The hot and cold water mixing faucet is connected to a water supply pipe and a hot water supply pipe that are piped below the floor portion through a pair of back piping members arranged on the back surface of the side wall portion opposite to the bathroom. That is, a pair of connecting parts are provided at both ends of each back piping, and a water faucet is connected to one connecting part via a crank pipe or the like, and a water supply pipe or a hot water supply pipe is connected to the other connecting part. ing.

  In such an assembled bathroom, when attaching a pair of back piping to the back of the side wall, depending on the type of the assembled bathroom and the construction location of the bathroom, the installation position of the faucet and the piping position of the water supply and hot water supply pipes As a result, the rear piping fixtures need to be arranged not only in the vertically extended state but also in a state inclined at a predetermined angle.

On the other hand, as an attachment device for a faucet fixing bracket for connecting a faucet, one having a configuration as disclosed in Patent Document 1, for example, has been conventionally proposed. In this conventional configuration, a pair of faucet fixing metal fittings for connecting to a water supply pipe and a hot water supply pipe are fitted into the attachment holes of the connection plate and connected to each other. Each faucet fixing bracket has a flange portion, and a meshing claw is formed at the front portion of the flange portion. On the peripheral surface of each mounting hole of the connecting plate, there are formed knurls that can engage with the engaging claws.
Japanese Utility Model Publication No. 1-69860

  However, Patent Document 1 describes a configuration in which a pair of faucet fixing metal fittings are connected to an installation wall surface such as a panel in a state where the pair of faucet fixing metal fittings are connected by a connecting plate. No adjustment structure is disclosed at all. For this reason, as described above, it is difficult to arbitrarily change the arrangement state of the back piping according to the change in the relative positional relationship between the mounting position of the faucet and the piping position of the water supply pipe and the hot water supply pipe. There was a problem.

  The present invention has been made paying attention to such problems existing in the prior art. Its purpose is to easily change the arrangement of the back piping according to the change in the relative positional relationship between the mounting position of the faucet and the piping position of the water supply pipe and hot water supply pipe. It is in providing the attachment structure of the back piping fixture which can be correctly arrange | positioned in the state designated beforehand.

  In order to achieve the above object, the invention according to claim 1 is characterized in that at least a pair of back piping members provided at both ends with a first connection part to a faucet and a second connection part to a water supply pipe or a hot water supply pipe. Mounting structure of the back piping device in which the two back piping tools are attached to predetermined positions on the installation wall surface in this state by being positioned and connected to each other by being inserted into the connecting hole of the connecting plate at the tip of one connecting portion. A plurality of positioning holes are formed on the peripheral side of the connection hole of the connection plate, and a designation symbol is attached to the positioning hole, and the connection hole is inserted into the connection hole so as to protrude from the outer periphery. The flange portion is provided with a positioning member that can selectively engage with the positioning hole.

  According to a second aspect of the present invention, in the first aspect of the present invention, the positioning member is configured so that the insertion hole formed in the flange portion is selectively aligned with an arbitrary positioning hole, and the insertion hole is formed from the insertion hole. It consists of a bolt screwed into the installation wall surface through a positioning hole.

  According to a third aspect of the present invention, in the first aspect of the present invention, the positioning member includes a positioning pin that protrudes from the rear surface of the flange portion so as to selectively engage with an arbitrary positioning hole. To do.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the designation code is composed of a serial number.
(Function)
In the first aspect of the present invention, when the pair of back piping members are inserted into the connecting holes of the connecting plate at the distal end portions of the connecting portions and are mutually positioned and connected, the arrangement state of the back piping tools specified in advance is set. The positioning member on the flange portion side of the connecting portion is selectively engaged with the positioning hole on the peripheral side of the connecting hole based on the designation code corresponding to. Thereby, even when the relative positional relationship between the mounting position of the faucet and the piping position of the water supply pipe and the hot water supply pipe changes, the arrangement state of the back piping can be easily changed according to the change in the relative positional relation. Can do. Moreover, based on the designation | designated code | symbol corresponding to the arrangement | positioning state of the back piping tool designated beforehand, a back piping tool can be correctly arrange | positioned in the designated state in a construction site.

  In the invention according to claim 2, in the state where the insertion hole formed in the flange portion is selectively matched with the designated positioning hole, the bolt as a positioning member is installed on the installation wall surface from the insertion hole through the positioning hole. Can be easily and accurately arranged in a specified state.

  In the invention according to claim 3, by easily engaging a positioning pin as a positioning member protruding from the rear surface of the flange portion with a specified positioning hole, the back piping can be easily set to a specified state. Can be placed accurately.

  In the invention according to claim 4, since the designation code is composed of a serial number, it is possible to simply and clearly designate the arrangement state of the back piping tool by the serial number.

  As described above, according to the present invention, it is possible to easily change the arrangement state of the back piping according to the change in the relative positional relationship between the mounting position of the faucet and the piping position of the water supply pipe and the hot water supply pipe. Can do. Moreover, if the arrangement | positioning state of a back piping tool is designated previously, it can arrange | position correctly in the state which designated the back piping tool in the construction site.

(First embodiment)
Below, 1st Embodiment of this invention is described based on FIGS.
As shown in FIG.1 and FIG.2, in this embodiment, in the state where a pair of back piping tools 11 were positioned and connected by two upper and lower connecting plates 12, the washing side in the assembly bathroom 13 as an installation wall surface It is installed on the back side of the side wall part 14. A hot and cold water mixing faucet 15 provided on the inner side of the side wall portion 14 of the bathroom 13 is connected to the upper ends of both the back plumbing tools 11 via a crank pipe 16. A water supply pipe 18 and a hot water supply pipe 19 installed on the lower side of the floor 17 on the washing place side in the bathroom 13 are connected to the lower ends of the respective back piping tools 11.

  As shown in FIGS. 2 and 3, each of the back piping tools 11 includes an upper connection fitting 20 as a first connection portion fixed at a position above the floor portion 17 with respect to the side wall portion 14 of the bathroom 13. The lower connection fitting 21 serving as a second connection portion fixed to the side wall portion 14 at a position below the floor portion 17 and a connecting pipe 22 for connecting the connection fittings 20 and 21 (FIG. 3). In the figure). The connecting tube 22 is formed of a synthetic resin having flexibility, and a heat insulating material 23 is coated on the outer periphery of the connecting tube 22.

  As shown in FIGS. 3 and 4, the upper connection fitting 20 of each of the back piping tools 11 includes a faucet connection cylinder portion 24 inserted into the bathroom 13 from a through hole 14 a provided in the side wall portion 14, and A connecting pipe connecting tube portion 25 extending downward from the outer end side of the faucet connecting tube portion 24 is provided, and a flange portion 26 is formed between the connecting tube portions 24 and 25. A male screw portion 24a is formed on the outer peripheral surface of the faucet connecting cylinder portion 24, and a female screw portion 24b is formed on the inner peripheral surface.

  Then, in a state where the faucet connection cylinder portion 24 of the upper connection fitting 20 is inserted into the through hole 14 a of the side wall portion 14, a tightening ring 27 is interposed in the male screw portion 24 a of the faucet connection cylinder portion 24. It is screwed in a state where Thereby, the side wall part 14 is clamped between the flange part 26 and the fastening ring 27, and the faucet connection cylinder part 24 of the upper connection fitting 20 is fixed to the side wall part 14. The male threaded portion 16 a of the crank tube 16 is screwed into the female threaded portion 24 b of the faucet connecting cylinder portion 24.

  As shown in FIGS. 2 and 3, the lower connection fitting 21 of each of the back piping members 11 includes a water supply pipe connection tube portion 29 inserted from the through hole 14 b of the side wall portion 14 into the lower space of the floor portion 17. The connecting pipe connecting cylinder part 30 extending upward from the outer end side of the water supply pipe connecting cylinder part 29 is provided, and a flange part 31 is formed between the connecting cylinder parts 29 and 30. A male screw portion 29 a is formed on the outer peripheral surface of the water supply pipe connecting tube portion 29.

  Then, in a state where the water supply pipe connecting cylinder portion 29 of the lower connection fitting 21 is inserted into the through hole 14b of the side wall portion 14, a tightening nut 32 interposes the packing 33 on the male thread portion 29a of the water supply pipe connecting cylinder portion 29. It is screwed in a state where Thereby, the side wall part 14 is clamped between the flange part 31 and the tightening nut 32, and the water supply pipe connecting cylinder part 29 of the lower connection fitting 21 is fixed to the side wall part 14. Further, in this state, the connection nut 34 attached to the tip of the water supply pipe 18 or the hot water supply pipe 19 is screwed into the male threaded portion 29a of the water supply pipe connection cylindrical part 29, whereby the water supply pipe 18 or the hot water supply pipe 19 is supplied with water. It is connected to the inner end of the tube connecting tube portion 29.

Next, an attachment structure for positioning and connecting the pair of back piping members 11 with the connecting plate 12 will be described.
As shown in FIGS. 2 to 4, a pair of connecting holes 35 are formed in the upper and lower connecting plates 12. And by inserting and inserting the faucet connection cylinder part 24 of the upper connection fitting 20 and the water supply pipe connection cylinder part 29 of the lower connection fitting 21 in these back holes 11 into the connection holes 35 respectively, Both back piping tools 11 are positioned and connected to each other at both upper and lower ends.

  As shown in FIG. 4, a plurality of positioning holes 36 are formed at predetermined intervals on the same circumference on the circumferential side of both coupling holes 35 in each coupling plate 12. Each positioning hole 36 is provided with a designation code 37 consisting of consecutive numbers “1” to “12”. A pair of concave insertions are provided on the outer peripheries of the flange portions 26 and 31 on the upper connection fitting 20 and the lower connection fitting 21 of both the back fittings 11 so as to correspond to the positioning holes 36 on the connecting plate 12. A hole 38 is formed.

  Then, as shown in FIGS. 2, 5, and 6, these insertion holes 38 are selectively used as arbitrary positioning holes 36 on the basis of a designation code 37 corresponding to a predetermined arrangement state of the back piping 11. The bolt 39 as a positioning member is screwed onto the side wall portion 14 as an installation wall surface from both the insertion holes 38 through the positioning holes 36. As a result, as shown in FIGS. 5 and 6, the pair of back piping members 11 can be attached to the rear side of the side wall portion 14 in an arbitrary arrangement state such as a vertically extended state or an inclined state at a predetermined angle. ing.

Next, the attachment method of the back piping tool comprised as mentioned above is demonstrated.
Now, when attaching a pair of back piping tools 11 to the back surface side of the side wall part 14 of the bathroom 13, the faucet connection cylinder part 24 of the upper side connection fitting 20 of those back piping tools 11 is attached to one connecting plate 12. It is inserted into the connecting hole 35. At the same time, the water supply pipe connecting cylinder portion 29 of the lower connection fitting 21 of both the back piping members 11 is inserted into the connecting hole 35 of the other connecting plate 12. Thereby, a pair of both back piping tools 11 are positioned and connected mutually in the upper and lower ends.

  In this case, since the arrangement state of the back plumbing fixture 11 is designated in advance as the designation symbol 37 based on the type, type, etc. of the assembled bathroom 13, the flange portions 26 of the connection fittings 20, 21 are designated according to the designation symbol 37. , 31 is aligned with the designated positioning hole 36. For example, when the designation code 37 is designated as “4” and “10”, as shown in FIG. 5, each insertion hole 38 is replaced with the positioning hole 36 with the designation code 37 “4” and “10”. Match. In this state, when bolts 39 as positioning members are screwed into the side wall portions 14 from the respective insertion holes 38 through the positioning holes 36, both the back piping members 11 are arranged in a designated vertical extension state.

  On the other hand, for example, when the designation code 37 is designated as “3” and “9”, as shown in FIG. 6, each insertion hole 38 is designated as “3” and “9”. The positioning holes 36 are aligned with each other. In this state, when the bolts 39 are screwed into the side wall portions 14 from the respective insertion holes 38 through the positioning holes 36, both the back piping members 11 are arranged in a predetermined inclined state. In addition, about the two back piping tools 11, when the designation | designated code | symbol 37 is designated separately, both the back piping tools 11 are arrange | positioned in the inclined state etc. which were different.

  Therefore, it is possible to easily change the setting of the arrangement state of the both-side pipe fittings 11 according to the type of the assembled bathroom 13 or the like. Moreover, since the designation | designated code | symbol 37 is attached to the several positioning hole 36 from the serial number, based on the instruction | indication of this designation | designated code | symbol 37, the back piping tool 11 can be correctly attached to a predetermined arrangement | positioning state.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with a focus on differences from the first embodiment.
In the second embodiment, as shown in FIG. 7, a designation code 37 composed of consecutive numbers “1” to “6” is attached to the plurality of positioning holes 36 in a symmetrical state. Further, an insertion hole 38 on the flange portion 26 is formed in a through hole shape.

  Therefore, also in the second embodiment, the same effect as in the first embodiment can be obtained. Moreover, in this embodiment, since the designation | designated code | symbol 37 is attached in the symmetrical state, the arrangement | positioning state of the back piping 11 can be designated by a single code | symbol, without using a several code | symbol.

(Third embodiment)
Next, a third embodiment of the present invention will be described with a focus on differences from the first embodiment.
In the third embodiment, as shown in FIGS. 8 and 9, a pair of positioning pins 41 as a positioning member protrudes from the back surface of the flange portion 26 and selectively engages with a specified positioning hole 36. It is supposed to be combined. Then, based on the designation code 37 corresponding to the arrangement state of the back piping device 11 designated in advance, the back piping device 11 is attached in a predetermined arrangement state by engaging the positioning pin 41 with the designated positioning hole 36. It is supposed to be.

  Therefore, also in the third embodiment, the same effect as that of the first embodiment can be obtained. Moreover, in this embodiment, the back piping tool 11 can be easily and accurately positioned in a predetermined arrangement state by a simple operation of engaging the positioning pin 41 with the designated positioning hole 36.

(Example of change)
In addition, this embodiment can also be changed and embodied as follows.
In each of the above embodiments, the pair of back piping members 11 are configured to be positioned and connected by the connecting plate 12 at either one of the upper connection fitting 20 or the lower connection fitting 21.

-In each said embodiment, code | symbols, such as an alphabet, are used as a designation | designated code | symbol.
In each of the above embodiments, the back piping 11 is disposed between the hot and cold water mixing faucet 15, the water supply pipe 18, and the hot water supply pipe 19 provided on the side wall 14 on the bathtub side of the assembly-type bathroom 13.

The perspective view which shows the state which implemented the attachment structure of the back piping fixture of 1st Embodiment in the assembly-type bathroom. The perspective view which shows the attachment structure of the back piping tool of FIG. Similarly the principal part expanded sectional view of the attachment structure of a back piping tool. The principal part perspective view which decomposes | disassembles and shows the attachment structure of a back piping tool similarly. The principal part front view which shows the assembly | attachment state of the attachment structure of the back piping tool of FIG. The principal part front view which shows the assembly | attachment state from which the attachment structure of the back piping fixture differed. The principal part exploded front view which shows the attachment structure of the back piping tool of 2nd Embodiment. The principal part exploded front view which shows the attachment structure of the back piping tool of 3rd Embodiment. FIG. 9 is a cross-sectional view of a main part showing an assembled state of the mounting structure for the back piping tool of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Back piping tool, 12 ... Connecting plate, 13 ... Assembling type bathroom, 14 ... Side wall part as installation wall surface, 15 ... Hot water / water mixing faucet, 18 ... Water supply pipe, 19 ... Hot water supply pipe, 20 ... As 1st connection part Upper connection fitting, 21 ... lower connection fitting as the second connection portion, 22 ... coupling pipe, 26, 31 ... flange portion, 35 ... coupling hole, 36 ... positioning hole, 37 ... designation code, 38 ... insertion hole, 39 ... Bolts as positioning members, 41 ... Positioning pins as positioning members.

Claims (4)

A pair of back piping fixtures provided at both ends with a first connection portion for a water faucet and a second connection portion for a water supply pipe or a hot water supply pipe are inserted into the connection holes of the connection plate at the tip of at least one of the connection portions. In the mounting structure of the back plumbing fixtures, which are positioned and connected to each other, and in this state the two back plumbing fixtures are attached to predetermined positions on the installation wall surface,
A plurality of positioning holes are formed on the peripheral side of the connecting hole of the connecting plate, and a designation symbol is attached to each of the positioning holes, and a flange portion is provided on the outer periphery of the connecting portion inserted into the connecting hole. A mounting structure for a back piping device, wherein a positioning member capable of selectively engaging with the positioning hole is provided. The positioning member includes a bolt that is screwed into the installation wall surface from the insertion hole through the positioning hole in a state in which the insertion hole formed in the flange portion is selectively matched with the arbitrary positioning hole. The mounting structure for the back piping tool according to claim 1. 2. The mounting structure for a back piping device according to claim 1, wherein the positioning member includes a positioning pin that protrudes from a rear surface of the flange portion so as to selectively engage with an arbitrary positioning hole. The said specified code | symbol consists of a serial number, The attachment structure of the back piping tools as described in any one of Claims 1-3 characterized by the above-mentioned.

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