JP2016023506A - Fitting structure for hot water-water combination faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fitting structure for a hot water-water combination faucet such that an operation to connect a hot water-water combination faucet to a water feed pipe and a hot water feed pipe can be easily and speedily performed without using any extra component.SOLUTION: An adapter 16 for pipe connection to which a water supply pipe 13 and a hot water supply pipe 14 are connected is fixed at a certain interval with a wall 11. An adapter 18 for connection is connected to the adapter 16 for pipe connection. A water supply-side leg part 21 and a hot water supply-side leg part 22 of the hot water-water combination faucet 15 are connected to the adapter 18 for connection with a connection nut 26. Adjustment gaps 27, 28 for performing position adjustment by moving the adapter 18 for connection in a radial direction is formed between the water supply-side leg part 21 or hot water supply-side leg part 22, and the connection nut 26.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an attachment structure of a hot and cold water mixing faucet for attaching a hot water and water mixing faucet to, for example, a water supply pipe and a hot water supply pipe on a bathroom wall.

  When installing a hot and cold water mixing faucet on the water supply pipe and hot water supply pipe on the wall of the bathroom, perform plumbing work to fix the water supply hot water pipe and hot water supply pipe to the wall. Mounted. In this case, there is a possibility that the interval between the water supply pipe and the hot water supply pipe may be deviated from the required interval due to poor construction of the hole for passing the water supply pipe and the hot water supply pipe through the wall. Attaching an auxiliary tool made of a positioning plate to the water supply pipe and the hot water supply pipe is performed so that a gap between the water supply pipe and the hot water supply pipe does not occur.

  This type of auxiliary tool is disclosed in Patent Document 1, for example. In other words, this auxiliary tool has a fixing portion made of a hole or a notch having an inner diameter slightly larger than the outer diameter of the water supply pipe and the hot water supply pipe. And in piping construction of a water supply pipe and a hot water supply pipe, the space | interval of a water supply pipe and a hot water supply pipe is hold | maintained by inserting a water supply pipe and a hot water supply pipe in each hole and notch of an auxiliary tool.

Japanese Utility Model Publication No. 62-9396

  In the prior art described in Patent Document 1 described above, an auxiliary tool having a hole or a notch must be prepared as a separate part of the hot and cold water mixing faucet and attached to the water supply pipe and the hot water supply pipe at the time of piping work. For this reason, the number of members used for the construction increases and the construction is complicated.

  The present invention has been made paying attention to such problems existing in the prior art, and the object of the present invention is to provide a hot water / water mixing faucet for a water supply pipe and a hot water supply pipe without using a separate member. It is an object of the present invention to provide a hot and cold water mixing faucet mounting structure that can easily and quickly perform the connecting operation.

  In order to achieve the above object, the hot water and water mixing faucet mounting structure of the present invention is a connection for connecting the water supply side leg and the hot water side leg of the hot and cold water mixing faucet to the water supply pipe and the adapter connected to the hot water supply pipe. A nut is provided, and an adjustment gap having a radial clearance is formed between the water supply side leg or the hot water supply side leg and the connection nut.

  In the above configuration, even if the position of the adapter is deviated, the deviation can be absorbed by the adjustment gap. Therefore, the water supply side leg and the hot water supply side leg of the hot and cold water mixing faucet can be easily connected to the water supply pipe and the hot water supply pipe, respectively, and the hot and cold water mixing faucet for the water supply pipe and the hot water supply pipe can be used without using separate parts. Can be connected easily and quickly.

  It is preferable that the water supply side leg and the hot water supply side leg have a screw member screwed to the water supply side main body and the hot water supply side main body, and the connection nut is configured to connect the screw member and the adapter.

  The screw member and the adapter are made of metal, and an end surface of the screw member and an end surface of the adapter are provided with contact surfaces on which the metal surfaces contact each other, and between the end surfaces of portions other than the contact surfaces. It is preferable that a seal member is interposed.

  The adapter is preferably composed of a pipe connection adapter connected to the water supply pipe and the hot water supply pipe and a connection adapter connected to the pipe connection adapter.

  According to the mounting structure of the hot and cold water mixing faucet of the present invention, it is possible to easily and quickly connect the hot water and water mixing tap to the hot water supply pipe and the hot water supply pipe without using separate parts.

The principal part cross-sectional view which shows the attachment structure of the hot / cold water faucet in embodiment of this invention, abbreviate | omits a cover, and shows the state by which the hot / cold water faucet was attached with respect to the feed pipe and the hot water supply pipe. The principal part longitudinal cross-sectional view which shows the state by which the hot-water and water mixing faucet was attached with respect to the water supply pipe and the hot water supply pipe. The principal part longitudinal cross-sectional view which decomposes | disassembles and shows the attachment structure of the hot / cold water mixing faucet with respect to a water supply pipe | tube. The partial expanded cross-sectional view which shows the state by which the hot-water and water mixing faucet was attached with respect to the water supply pipe. The partial expanded longitudinal cross-sectional view which shows the state by which the hot-and-water mixing faucet was attached with respect to the water supply pipe. The principal part longitudinal cross-sectional view which shows the state in the middle of attaching a hot-water mixed faucet with respect to a water supply part.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS.
As shown in FIGS. 1 and 2, a pair of left and right through holes 12 are formed in the wall 11 in the bathroom. A hot and cold water mixing faucet 15 is attached to the water supply pipe 13 and the hot water supply pipe 14 through these through holes 12. The adapter main body 161 of the pipe connection adapter 16 having the flange 162 is inserted into the through holes 12 so that the flange 162 comes into contact with the inner surface of the wall 11, and is inserted into the screw insertion hole 163 of the flange 162. The pipe connection adapter 16 is fixed to the wall 11 by inserting the screw 17 and screwing the screw 17 into the wall 11.

  A male screw 164 is formed at the outer end (outside the bathroom) of the adapter main body 161 and screwed into a female screw formed at the end of the water supply pipe 13 or the hot water supply pipe 14. A female screw hole 165 is formed at the inner end of the adapter body 161, and a male screw 181 formed at the outer end of the connecting adapter 18 is screwed into the female screw hole 165.

  As shown in FIGS. 1 to 3, the hot and cold water mixing faucet 15 uses the water supplied from the water supply pipe 13 and the hot water supplied from the hot water supply pipe 14 as they are, or a hot and cold mixed water of hot water and water. It leads to the connecting part 19 or the shower hose connecting part 20. This hot and cold water mixing faucet 15 has a water supply side leg 21 and a hot water supply side leg 22, which will be described below. In addition, since these water supply side legs 21 and hot water supply side legs 22 have the same structure, the water supply side legs 21 will be described.

  As shown in FIGS. 4 and 5, a female screw portion 212 is provided on the inner peripheral surface of the end portion of the water supply side main body 211 constituting the water supply side leg portion 21, and the female screw portion 212 has an inner end portion of the screw member 23. The male screw portion 231 is screwed with the packing 24 interposed. A flange portion 233 is formed on the outer end portion of the screw member 23 via a step portion 232. A seal member 25 made of a rubber material is fitted into an annular fitting recess 182 formed on the outer peripheral portion of the inner end face of the connecting adapter 18. And the sealing member 25 is interposed in the outer peripheral side between the flange part 233 of the screw member 23, and the end surface of the connection adapter 18, and a sealing state is formed. In this sealed state, the contact surface 234 on the inner peripheral side of the outer end surface of the screw member 23 and the contact surface 183 on the inner peripheral side of the inner end surface of the connecting adapter 18 are in surface contact with each other.

  That is, the screw member 23 and the connecting adapter 18 are made of metal, and the abutting surface 234 of the screw member 23 and the abutting surface 183 of the connecting adapter 18 are in surface contact with each other, so that a hot and cold water mixing faucet is obtained. A distance x (see FIG. 1) between the axis α extending to the left and right of the 15 faucet bodies 151 and the inner surface of the wall 11 is set.

  In a state where the contact surface 234 of the screw member 23 and the contact surface 183 of the connecting adapter 18 are in contact with each other, their outer peripheral portions are connected by a connection nut 26. That is, a flange-like engagement portion 261 that engages with the flange portion 233 of the screw member 23 extends inward toward the center at the inner end portion of the connection nut 26, and a female screw 262 is formed at the inner periphery of the outer end portion. The female screw 262 is screwed into the male screw 184 of the connecting adapter 18. With this connection nut 26, the hot and cold water mixing faucet 15 is connected to the water supply pipe 13 via the connection adapter 18 and the pipe connection adapter 16.

  An annular adjustment gap 27 is formed between the stepped portion 232 of the screw member 23 and the inner peripheral surface of the engaging portion 261 of the connecting nut 26 in a state where the hot-water mixed tap 15 is connected to the water supply pipe 13. In addition, an annular adjustment gap 28 is also formed between the flange portion 233 of the screw member 23 and the inner bottom surface 263 on the inner periphery of the connection nut 26. These adjustment gaps 27 and 28 have the same radial clearance. The radial clearances of the adjustment gaps 27 and 28 are preferably wider than the gap 29 between the outer peripheral surface 166 of the adapter main body 161 of the pipe connection adapter 16 and the through hole 12 of the wall 11. By the adjustment gaps 27 and 28, the water supply side leg 21 of the hot and cold water mixing faucet 15 moves in the radial direction with respect to the connection adapter 18 so that the position can be adjusted.

  Communication holes 167, 185, and 235 are formed inside the pipe connection adapter 16, the connection adapter 18, and the screw member 23, and the communication holes 167, 185, and 235 communicate with the flow holes 131 in the water supply pipe 13. Has been. Then, the water in the flow hole 131 of the water supply pipe 13 is supplied to the water supply side leg 21 side of the hot and cold water mixing faucet 15 through the communication holes 167, 185 and 235.

  As shown in FIG. 2, the upper surface of the faucet body 151, the water supply side leg portion 21 and the hot water supply side leg portion 22, the water supply pipe 13 and the hot water supply pipe 14 of the hot water / water mixing tap 15 is covered with a cover 30. ing. That is, the inner end of the lower end of the cover 30 is fixed to the faucet body 151 of the hot and cold water mixing faucet 15 with the screw 31, and is folded downwardly on the outer end edge (the right end edge in FIG. 2) of the cover 30. The outer surface of the bent portion 301 is in close contact with the inner surface of the wall 11.

An effect | action is demonstrated about the attachment structure of the hot-water mixing faucet 15 of embodiment comprised as mentioned above.
As shown in FIGS. 1 and 6, when the water supply side leg 21 of the hot and cold water mixing faucet 15 is connected to the water supply pipe 13 and the hot water supply side leg 22 is connected to the hot water supply pipe 14, first, a wall is used. A pair of through-holes 12 are opened at predetermined positions. In this state, a screw 17 is inserted into the screw insertion hole 163 of each pipe connection adapter 16 connected to the water supply pipe 13 or the hot water supply pipe 14 and screwed into the wall 11, and the pipe connection adapter 16 is fixed to the wall 11. To do. Subsequently, the male screw 181 of the connecting adapter 18 is screwed into the female screw hole 165 of the pipe connecting adapter 16, and the connecting adapter 18 is connected to the pipe connecting adapter 16.

  On the other hand, the engaging portion 261 of the connection nut 26 is engaged with the flange portion 233 of the screw member 23. In this state, the male threaded portion 231 of the screw member 23 is screwed into the female threaded portion 212 of the hot-water mixed faucet 15 and the female threaded portion 212 of the hot-water supply side leg 22 via the packing 24. Then, the contact surface 234 of the screw member 23 is brought into contact with the contact surface 183 of the connection adapter 18 with the metal surfaces in a state where the seal member 25 is fitted into the fitting recess 182 of the connection adapter 18. In this manner, the female screw 262 of the connection nut 26 is screwed into the male screw 184 of the connecting adapter 18.

  In this case, when the central axis β of the water supply pipe 13 or the hot water supply pipe 14 is displaced from a predetermined position, the central axis δ of the pipe connection adapter 16 is shown as shown by a two-dot chain line in FIGS. However, the pipe connection adapter 16 may be fixed to the wall 11 in a state of being deviated from the central axis γ of the water supply side leg 21 and the hot water supply side leg 22 shown in FIG. Here, FIG. 4 shows a state in which the central axis δ is shifted in the left-right direction with respect to the central axis γ, and FIG. 5 shows a state in which the central axis δ is shifted in the vertical direction with respect to the central axis γ.

  At this time, in the present embodiment, adjustment gaps 27 and 28 are formed between the screw member 23 and the connection nut 26 of the water supply side leg 21 and the hot water supply side leg 22 of the hot and cold water mixing faucet 15. By moving the screw member 23 in the left-right direction, the up-down direction, or their combined direction (oblique direction), the pipe connection adapter 16 is displaced in the left-right direction, up-down direction, or oblique direction, that is, the connection adapter 18 Misalignment in the horizontal direction, vertical direction or diagonal direction can be absorbed by the adjustment gaps 27 and 28. Therefore, it is possible to quickly connect the water supply side leg 21 and the hot water supply side leg 22 of the hot and cold water mixing faucet 15 to the water supply pipe 13 and the hot water supply pipe 14, respectively, without using an auxiliary tool such as a positioning plate. it can.

Therefore, according to this embodiment, the following effects can be obtained.
(1) In the mounting structure of the hot and cold water mixing faucet 15 in this embodiment, the water supply side leg 21 and the hot water supply side leg 22 of the hot and cold water mixing faucet 15 are connected to the adapters 16 and 18 by connection nuts 26. Further, adjustment gaps 27 and 28 for adjusting the positions of the adapters 16 and 18 in the radial direction are formed between the water supply side leg 21 and the hot water supply side leg 22 and the connection nut 26.

  For this reason, even if the positions of the adapters 16 and 18 are deviated, the deviation can be absorbed by the adjustment gaps 27 and 28. Therefore, the water supply side leg 21 and the hot water supply side leg 22 of the hot and cold water mixing faucet 15 can be easily connected to the water supply pipe 13 and the hot water supply pipe 14, respectively.

  Therefore, according to the mounting structure of the hot and cold water mixing faucet 15 in this embodiment, the operation of connecting the hot and cold water mixing faucet 15 to the water supply pipe 13 and the hot water supply pipe 14 can be performed easily and quickly without using separate parts. it can.

  (2) The adjustment gaps 27 and 28 between the water supply side leg 21 or the hot water supply side leg 22 and the connection nut 26 are larger than the gap 29 between the pipe connection adapter 16 and the through hole 12. It is preferable that they are set as follows. In this way, even if the position for fixing the pipe connection adapter 16 to the wall 11 is deviated, the deviation is within the clearance of the adjustment gaps 27 and 28. Therefore, the adjustment gaps 27 and 28 can effectively cope with the displacement of the pipe connection adapter 16.

  (3) The water supply side leg 21 and the hot water supply side leg 22 have a screw member 23 screwed to the water supply side main body 211 and the hot water supply side main body 221, and the connection nut 26 includes the screw member 23, the connecting adapter 18, and the like. Is configured to connect. For this reason, the connection structure of the water supply side leg part 21 and the water supply pipe | tube 13 and the connection structure of the hot water supply side leg part 22 and the hot water supply pipe | tube 14 can be simplified, and the desired clearance gaps 27 and 28 can be formed.

  (4) The screw member 23 and the connecting adapter 18 are made of metal, and the screw member 23 and the connecting adapter 18 are provided with contact surfaces 234 and 183, respectively. The contact surfaces 234 and 183 are made of metal. They are in surface contact with each other. Therefore, the dimensional accuracy can be increased with respect to the distance x between the axis α of the faucet body 151 and the wall 11. That is, the contact surface 234 of the screw member 23 and the contact surface 183 of the connecting adapter 18 are in contact with each other, and the distance x is maintained between the axis α of the faucet body 151 and the wall 11. Therefore, a gap is not formed between the bent portion 301 of the cover 30 and the inner surface of the wall 11, and the bent portion 301 of the cover 30 does not hit the inner surface of the wall 11 and the cover 30 is not curved. . Therefore, it is not necessary to interpose sheet packing between the bent portion 301 of the cover 30 and the inner surface of the wall 11, and the number of parts can be reduced. On the other hand, if the seal member is merely interposed between the screw member 23 and the connecting adapter 18 without the presence of a metal-to-metal contact portion, the distance x depends on the degree of deformation of the seal member. Therefore, a sheet packing for absorbing the change is required between the bent portion 301 of the cover 30 and the inner surface of the wall 11, and the number of parts increases. A seal member 25 is interposed on the outer peripheral side of the contact surfaces 234 and 183 of the screw member 23 and the connecting adapter 18. For this reason, even if the contact part of metals exists between the screw member 23 and the connection adapter 18, the watertightness between them can be ensured.

  (5) The adapter includes a pipe connection adapter 16 connected to the water supply pipe 13 and the hot water supply pipe 14 and a connection adapter 18 connected to the pipe connection adapter 16. For this reason, the connection between the water supply side leg 21 and the water supply pipe 13 and the connection between the hot water supply side leg 22 and the hot water supply pipe 14 can be easily advanced. That is, a pipe connection adapter 16 is connected to the water supply pipe 13 and the hot water supply pipe 14, the pipe connection adapter 16 is fixed to the wall 11 with screws 17, and the connection adapter 18 is connected to the pipe connection adapter 16 in the fixed state. Therefore, the connection work is facilitated.

In addition, the said embodiment can also be changed and actualized as follows.
The pipe connecting adapter 16 and the connecting adapter 18 may be integrally formed. In this case, the number of parts can be reduced.

The two adjustment gaps 27 and 28 may be formed so as to have different radial clearances.
A recess for fitting a seal may be provided on the screw member 23 side, and the seal member 25 may be fitted in the recess. In this case, the fitting recess 182 and the seal member 25 on the connecting adapter 18 side are not necessary.

  -You may form the external thread 181 of the said adapter 18 for a connection in the taper shape which becomes a small diameter toward the front end side. Therefore, the female screw hole 165 of the adapter main body 161 is also formed in a taper shape.

  DESCRIPTION OF SYMBOLS 11 ... Wall, 12 ... Through-hole, 13 ... Water supply pipe, 14 ... Hot water supply pipe, 15 ... Hot water mixing faucet, 16 ... Adapter for pipe connection, 18 ... Adapter for connection, 21 ... Water supply side leg, 22 ... Hot water supply side Leg part, 23 ... Screw member, 25 ... Seal member, 26 ... Connection nut, 27, 28 ... Gap for adjustment, 29 ... Gap, 183, 234 ... Abutting surface, 211 ... Water supply side main body, 221 ... Hot water supply side main body.

Claims (4)

A connection nut for connecting the water supply side leg and the hot water supply side leg of the hot water mixing faucet to an adapter connected to the water supply pipe and the hot water supply pipe, and between the water supply side leg or the hot water supply side leg and the connection nut Is a mounting structure for a hot and cold water mixing faucet with an adjustment gap having a radial clearance. The said water supply side leg part and a hot water supply side leg part have a screw member screwed together by the water supply side main body and the hot water supply side main body, and a connection nut is comprised so that a screw member and an adapter may be connected. Mounting structure of hot water / water mixing faucet as described. The screw member and the adapter are made of metal, and an end surface of the screw member and an end surface of the adapter are provided with contact surfaces on which the metal surfaces contact each other, and between the end surfaces of portions other than the contact surfaces. The attachment structure of the hot / cold water faucet according to claim 2, wherein a sealing member is interposed. The said adapter is comprised by the adapter for a pipe connection connected to a water supply pipe and a hot-water supply pipe, and the adapter for a connection connected to this adapter for a pipe connection. Mounting structure for hot / cold water faucet.