JP5561740B2 - Hot water tap - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a hot and cold water mixing tap, and in particular, a flexible pipe drawn out together with a shower head from a shower holder of a faucet body, a water supply introduction pipe connected to a valve mechanism in the faucet body, and a hot water introduction The present invention relates to an improvement of a hose guide that can be inserted through a pipe and a lead-out pipe for mixed water.

  Conventionally, as this type of hose guide, there is one shown in Patent Document 1 below.

Japanese Utility Model Publication No. 5-71265

  In the above-mentioned Patent Document 1, a flexible pipe is movably inserted into an insertion hole provided in a hose guide, and a water supply introduction pipe and a hot water supply are provided between a pair of holding parts provided in a synthetic resin hose guide. The introduction pipe and the mixed water outlet pipe are held in contact with each other. Therefore, the thing of the said patent document 1 can just make a small diameter through-hole in faucet attachment parts, such as a sink, so that the cylindrical attachment leg of a faucet body can be made into a small diameter, and a faucet attachment part beforehand If a through hole having a predetermined small diameter is formed in the through hole, the through hole can be used both for mounting a hot and cold water mixing tap with a hand shower and for mounting a normal hot water mixing tap without a hand shower. Has a merit.

However, a part of the insertion hole through which the flexible pipe is inserted is opened, and there is a possibility that the water supply introduction pipe, the hot water supply introduction pipe, the mixed water outlet pipe and the flexible pipe may interfere with each other through the opening. is there.
In addition, since the hose guide is fitted and fixed to the fitting portion formed on the inner peripheral surface of the lower opening end of the mounting foot, the flexible tube can be used for a long time even if it is fitted tightly. There is a risk that the hose guide may fall off the mounting foot due to rubbing due to movement of the foot.

  The present invention has been made in consideration of the above-mentioned matters. The purpose of the present invention is to provide a water supply introduction tube, a hot water supply introduction tube, and a mixing device while also being used for mounting a normal hot water mixing tap without a hand shower. It is an object of the present invention to provide a hot and cold water mixing plug capable of preventing interference between a water outlet pipe and a flexible pipe, and dropping of a hose guide from a mounting foot.

In order to achieve the above object, the hot and cold water mixing plug of the present invention includes a faucet body having a shower holder that supports a shower head so that it can be pulled out through a flexible tube, and a through hole formed in the faucet mounting portion. A cylindrical mounting foot of the faucet body to be inserted and fixed, and a water supply introduction pipe, a hot water supply introduction pipe and a mixture that are fitted into the attachment leg and connected to the valve mechanism in the faucet body, respectively. A water outlet pipe and a hose guide through which the flexible pipe can be inserted. The hose guide has an insertion hole for inserting the flexible pipe, and the hose guide is fitted into the mounting foot. A single insertion space into which the water supply introduction pipe, the hot water supply introduction pipe, and the mixed water lead-out pipe can be inserted with the mounting foot when it is inserted; have a partition portion for partitioning said spatial insertion hole, the hose The id forms the insertion hole as a whole, and the back part has a cylindrical part that forms the partition part on the inner side, and is formed integrally with the cylindrical part on the outer side and circumscribing the front surface of the cylindrical part. It has a fitting part with a semicircular cross section provided and elastically deformable (Claim 1).
The hose guide according to the present invention has a function of guiding a flexible tube drawn out together with the shower head from the shower holder of the faucet body, and the “hose” of the hose guide is a flexible tube.

In this case, the et, the mounting foot has a recess over the entire circumference on the inner peripheral surface of the lower open end, the hose guide, the outer periphery of the elastic deformation portion constituting the right and left side surface portions of the fitting portion A convex portion that engages with the recess may be provided at the position of the surface (claim 2 ). The fitting portion may have an outward flange that engages with the lower opening end of the mounting foot when the hose guide is fitted into the mounting foot from the lower opening side of the mounting foot. (Claim 3 ).

In the invention according to claim 1, the single insertion space where the water supply introduction pipe, the hot water supply introduction pipe and the mixed water outlet pipe are located and the insertion hole for inserting the flexible pipe are partitioned by the partition portion. Therefore, it is possible to reliably prevent interference between the water supply introduction pipe, the hot water supply introduction pipe, the mixed water outlet pipe, and the flexible pipe.
In addition, although a partition is provided, the partition can be set to be substantially thin, and an insertion hole is provided for each of the water supply introduction pipe, the hot water supply introduction pipe, and the mixed water discharge pipe. Since these are positioned in a single insertion space without being provided, it can be used both for mounting a hot and cold water mixing tap with a hand shower and for mounting a normal hot and cold water mixing tap without a hand shower. .

In the inventions according to claims 2 to 3, there is no possibility that the hose guide falls off from the mounting foot due to rubbing or the like due to movement of the flexible tube while reliably suppressing the rattling of the hose guide.
Further, when the hose guide is fitted into the mounting foot, the upper end portion of the hose guide including the upper opening end of the tubular portion protrudes from the mounting foot, and the inner peripheral surface of the upper opening end of the tubular portion is tapered upward. In this case, when the flexible tube enters and exits the insertion hole of the flexible tube, even if it slides on the inner peripheral surface of the upper opening end of the cylindrical portion, the flexible tube is inserted into the insertion hole. The entry / exit operation can be performed smoothly, and there is no risk of the flexible tube being damaged by coming into contact with the upper opening end of the mounting foot due to the entry / exit of the flexible tube.

  Embodiments of the present invention will be described below with reference to the drawings. The present invention is not limited thereby.

  1 to 5 show one embodiment of the present invention. FIG. 1 shows a state of attachment of a faucet with a hand shower to a faucet attachment part, FIG. 2 shows a hose guide used in the present invention, and FIG. 3 shows a water supply inserted through the hose guide. The positional relationship among the introduction pipe, the hot water supply introduction pipe, the mixed water outlet pipe and the flexible pipe is shown. FIG. 4 shows the hose guide, and FIG. 5 shows a mounting foot used in the present invention.

  1 to 5, a hot and cold water mixing tap (hereinafter simply referred to as a mixing tap) 1 with a hand shower has a shower holder 4 that supports a shower head 3 so that it can be pulled out via a flexible tube (helical hose) 2. The stopper body 5, for example, the cylindrical attachment foot 8 of the mixing stopper body 5 to be inserted and fixed in the through hole 7 formed in the faucet attachment portion 6 of the wash basin, and the fitting foot 8 are fitted therein. A water supply introduction pipe A, a hot water supply introduction pipe B, and a mixed water lead-out pipe C connected to valve mechanisms (for example, a fixed disk and a movable disk) (not shown) in the mixing plug main body 5, respectively, It mainly includes a hose guide 9 made of synthetic resin through which the flexible tube 2 can be inserted. The material of the hose guide 9 is, for example, a POM (polyacetal) material excellent in wear resistance and / or chemical resistance. The mounting foot 8 is made of a cylindrical metal and has a male threaded portion 10 formed on the body surface. At a predetermined position on the upper portion, above the faucet mounting portion 6 via a seat packing 11 when the mixing plug body 5 is mounted. It has an outward flange 12 located.

The characteristic configuration of the present invention will be described below.
The hose guide 9 has a circular insertion hole 14 in a plan view for inserting the flexible tube 2 and is attached when the hose guide 9 is fitted into the mounting foot 8 from the lower opening side of the mounting foot 8. A single insertion space 15 (see FIG. 3) into which the water supply introduction pipe A, the hot water supply introduction pipe B, and the mixed water discharge pipe C can be inserted is formed with the inner peripheral surface M of the foot 8. ing. Further, the hose guide 9 has a thin partitioning portion 16 that partitions the single insertion space 15 and the insertion hole 14 when the hose guide 9 is fitted into the mounting foot 8 from the lower opening side of the mounting foot 8. Is formed.
Further, the hose guide 9 has a vertically long cylindrical portion 17 that forms the insertion hole 14 on the inside, and an elastically deformable transverse cross section that is integrally provided on the cylindrical portion 17 on the outside and circumscribing the cylindrical portion 17. The tube portion 17 has a semicircular arc-shaped fitting portion 18, and the cylinder portion 17 has a length a in the vertical direction (direction indicated by an arrow Z) along the insertion hole 14 from a length b in the Z direction of the mounting foot 8. It is also long and long. The partition portion 16 constitutes a back surface portion of the cylindrical portion 17. In addition, the inner peripheral surface 19 of the upper opening end 17a of the cylindrical portion 17 has a tapered taper shape (see FIG. 2) formed upward, while the fitting portion 18 includes left and right side surface portions m, The elastic deformation portions 20 and 20 of the vertically long a that form vertically long gaps S and S extending in the Z direction, respectively, are provided. The elastic deformation portions 20 and 20 constitute left and right side portions of the fitting portion 18 having a semicircular cross section.
Further, the mounting foot 8 has a recess 22 having a wide width d over the entire circumference on the inner peripheral surface of the lower opening end 8a, and the protrusion 23 that engages with the recess 22 is provided on the outer periphery of the elastic deformation portions 20 and 20. Each has a surface position. The fitting portion 18 has an outward flange 25 at the lower end that engages with the lower opening end 8a of the attachment foot 8 when the hose guide 9 is inserted into the attachment foot 8 from the lower opening side.
In FIG. 1, 30 is a lock nut, 31 is a star washer, and 32 is a packing.

Thus, the passage location (insertion hole) 14 of the flexible tube 2 is formed into a sufficiently long tunnel shape, and the flexible tube 2 is isolated from the water supply introduction tube A, the hot water supply introduction tube B, and the mixed water discharge tube C. Thus, interference between the flexible pipe 2, the water supply introduction pipe A, the hot water supply introduction pipe B, and the mixed water outlet pipe C can be prevented.
In addition, since the gentle annular taper portion 19 is provided at the entrance of the insertion hole 14, the flexible tube 2 can be smoothly moved into and out of the insertion hole 14.
In addition, since the elastic deformation portions 20 and 20 constituting the left and right side portions of the fitting portion 18 having a semicircular cross section are provided with springiness, the arc-shaped elastic deformation portions 20 and 20 are reduced in diameter. The operation of attaching the hose guide 9 to the attachment foot 8 can be easily performed only by operating, and rattling of the hose guide 9 after the attachment can be prevented, and the engagement of the recess 22 and the projection 23 and the attachment of the attachment foot 8 can be prevented. Due to the engagement between the lower opening end 8a and the outward flange 25, this rattling prevention can be further strengthened.

1 is a configuration explanatory view showing one embodiment of the present invention. It is the perspective view which looked at the hose guide used in the said embodiment from the front side. In the said embodiment, it is a cross-sectional view which shows the positional relationship among the feed pipe for water supply penetrated by the hose guide, the feed pipe for hot water supply, the outlet pipe for mixed water, and the flexible pipe. (A) is a front view which shows the hose guide used in the said embodiment. (B) is a longitudinal cross-sectional view which shows the cylinder part of the hose guide used in the said embodiment. (C) is a part of back view which shows the hose guide used in the said embodiment. (D) is a right side view showing the hose guide used in the above embodiment. (E) is the enlarged view of the principal part of the hose guide used in the said embodiment. (F) is a bottom view showing the hose guide used in the embodiment. (G) is the figure which cut | disconnected the intermediate part of the hose guide used in the said embodiment in the horizontal direction. (A) is a structure explanatory drawing which shows the attachment leg used in the said embodiment. (B) is principal part structure explanatory drawing which shows the upper opening end of the attachment leg used in the said embodiment. (C) is principal part structure explanatory drawing which shows the downward opening end of the attachment leg used in the said embodiment.

DESCRIPTION OF SYMBOLS 1 Hot and cold water mixing tap 2 Flexible tube 3 Shower head 4 Shower holder 5 Water faucet body 6 Water faucet attachment part 7 Through hole 8 Cylindrical attachment leg 9 Hose guide 14 Insertion hole 15 Insertion space 16 Partition A A Water supply introduction pipe B Hot water supply pipe C Mixed water outlet pipe

Claims (3)

A faucet body having a shower holder that supports a shower head so that the shower head can be pulled out via a flexible tube, and a cylindrical mounting leg of the faucet body that is inserted into and fixed to a through hole formed in the faucet mounting portion; A water supply introduction pipe, a hot water supply introduction pipe and a mixed water lead-out pipe which are inserted into the mounting foot and connected to the valve mechanism in the faucet body, and a hose guide which can be inserted through the flexible pipe The hose guide has an insertion hole for inserting a flexible tube, and when the hose guide is fitted in the attachment foot, the water supply introduction pipe and the hot water supply are connected to the attachment foot. a use inlet tube and mixed water for deriving tube shape a single insertion space can be inserted is formed, further, have a partition portion for partitioning said through hole and said single insertion space,
The hose guide forms the insertion hole as a whole, and has a cylindrical portion on the inner side that forms the partitioning portion on the back side, and on the outer side, on the outer side of the cylindrical portion. A hot and cold water mixing plug having a fitting portion with a semicircular cross section that is integrally provided and elastically deformable . The mounting foot has a recess on the inner peripheral surface of the lower opening end over the entire circumference, and the hose guide is located at the position of the outer peripheral surface of the elastically deforming portion constituting the left and right side surfaces of the fitting portion. The hot and cold water mixing plug according to claim 1, wherein each has a convex portion that engages with a place . The fitting part, to claim 1 or 2 having an outward flange which engages the hose guide lower opening end of the mounting feet when fitted to mounting the foot from the lower opening side of the mounting foot The hot and cold water mixing tap described.

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