JP2020023825A - Water spouting device - Google Patents

Abstract

To provide a water discharge device causing little looseness of a water discharge pipe to a faucet body and having preferable operability.SOLUTION: A water discharge device has a faucet body 20 having a water outlet 22, a cylindrical water flow pipe 40 connected to the water outlet 22, and a water discharge pipe 50 communicated with the water flow pipe 40. One end of the water flow pipe 40 is connected to the water outlet 22 rotatably around a center axis to the water outlet 22 and the water discharge pipe 50 is extended in the radial direction from the other end. The water discharge device has a cover member 60 attached to the faucet body 20 and covering an outer peripheral surface of the water flow pipe 40. The water discharge device has a pair of hard resin sliding rings 70 provided between the one end of the water flow pipe 40 and the water outlet 22 and between the other end of the water flow pipe 40 and the cover member 60, respectively.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a water discharge device.

  The faucet disclosed in Patent Document 1 includes a tubular faucet main body and a water discharge pipe. A first water outlet is formed at the center lower end of the faucet body. The water discharge pipe is rotatably connected to the first water discharge port. In addition, a switching valve for switching a water discharge destination is provided between the water discharge pipe and the first water discharge port. Then, the water discharge pipe is used by rotating and moving with respect to the faucet main body.

JP 2007-270507 A

  In a water faucet as disclosed in Patent Document 1, a rubber elastic member (such as an O-ring) is generally used as a seal member provided at a connection portion such as a switching valve. However, when a rubber seal member is used for the connection portion, the seal member is easily deformed when the water discharge pipe is rotated with respect to the water faucet main body, and the rattling between the water discharge pipe and the water faucet main body is large. There is a risk of becoming. This may cause a problem that the operability of the faucet deteriorates.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional circumstances, and has as an object to provide a water discharging device which is less likely to rattle the water discharging pipe with respect to the faucet main body and has good operability.

The water spouting device of the present invention,
A faucet body having an outlet,
A cylindrical water pipe connected to the outlet,
A water discharge pipe communicating with the water pipe,
One end of the water pipe is connected to the outlet such that the water pipe is rotatable around a central axis with respect to the outlet, and the water discharge pipe is radially arranged from the other end of the water pipe. In the extended water discharge device,
A cover member attached to the faucet body and covering the outer peripheral surface of the water pipe,
A pair of sliding rings made of hard resin, provided between the one end of the water pipe and the outlet, and between the other end of the water pipe and the cover member, respectively.
It has.

  In this water discharging device, a pair of sliding rings are made of hard resin, and are provided between one end of the water pipe and the outlet, and between the other end of the water pipe and the cover member, respectively. . In such a configuration, the sliding ring is less likely to be deformed when the water discharge pipe and the water pipe are rotated with respect to the faucet main body, as compared with a configuration made of rubber or the like. Therefore, rattling of the water discharge pipe with respect to the faucet main body is less likely to occur, and a water discharge device with good operability can be realized.

It is the perspective view which looked at the water discharging device of Example 1 from the front side. It is a sectional side view which expands and shows the connection part of a faucet main body, a main body cover, and a water discharge part. It is a perspective view of a water pipe. It is a sectional perspective view of a cover member. It is a perspective view of a sliding ring. It is a side view of a sliding ring. It is a top view of a sliding ring.

  A preferred embodiment of the present invention will be described.

In the water discharge device of the present invention, the sliding ring may have an engaging portion that engages with the water pipe on an inner peripheral surface. The water pipe may have an engaged portion with which the engaging portion engages on an outer peripheral surface.
In this case, in the water discharging device, the sliding ring is securely assembled to the water pipe by engaging the engagement part of the slide ring with the engaged part of the water pipe. Therefore, the sliding ring contacts the outlet and the cover member without coming off from the water pipe, thereby preventing the water pipe from falling out of the outlet and the cover member.

In the water discharging device of the present invention, the sliding ring has a cutout portion cut at a predetermined position in a circumferential direction, and the inner peripheral surface has the cut-off portion having an elastic force in a direction in which the cutout portion is narrowed. Can come into contact with the outer peripheral surface.
In this case, in this water discharging device, the slide ring can be assembled to the water pipe such that the inner peripheral surface of the sliding ring comes into contact with the outer peripheral surface of the water pipe through the cutout portion. The sliding ring has an inner peripheral surface abutting against the outer peripheral surface of the water pipe so that the notch portion has an elastic force in a direction in which the notch portion is narrowed. . Therefore, it is easy to position the water pipe through the sliding ring, the center axis of the water pipe is easily aligned with the center axis of the outlet, and the assembling accuracy of the water pipe with respect to the outlet can be improved.

  Next, a first embodiment of the water discharge device of the present invention will be described with reference to the drawings. In the following description, the up, down, left, and right directions are defined as the up, down, left, and right directions as they are in FIG. The front-back direction is a direction perpendicular to the up-down and left-right directions, and the direction in which the water discharge pipe 50 shown in FIG.

<Example 1>
The water discharging device 10 of the first embodiment shown in FIG. 1 is a deck-type mixing faucet installed on the upper surface of a deck provided in a bathroom, for example. As shown in FIG. 1, the water discharging device 10 includes a pair of mounting leg members 23, a faucet main body 20 (see FIG. 2), a main body cover 12, a temperature control handle 13, a switching handle 14, and a water discharging unit 30. And The water discharge device 10 mixes hot water or water supplied from a supply flow path (not shown) formed in the mounting leg member 23 described later so as to have a desired temperature, and discharges the mixed water or water from a water discharge port 53 of the water discharge unit 30. Let it.

  As shown in FIG. 2, the faucet main body 20 includes a housing 21, a mixing valve (not shown), and various flow paths (not shown). The housing 21 is formed of, for example, metal, and houses a mixing valve and various flow passages. The housing 21 has a pair of attachment leg members 23 attached to the lower end. The mixing valve is a mixture of hot water supplied from a hot water supply channel (not shown) provided in one of the mounting leg members 23 and water supplied from a water supply channel (not shown) provided in the other mounting leg member 23 or Run off the water. The mixing valve is operated by a switching handle 14 described later.

  Although not shown, the faucet main body 20 includes, for example, a mixing hot water passage, a water flow passage, a hot water flowing passage, and the like. The mixing hot water flow path is a flow path into which hot water from the hot water supply path is introduced and supplies hot water to the mixing valve. The water flow passage is a flow passage into which water from the water supply passage is introduced and supplies water to the mixing valve. The hot and cold water flow passage is a flow passage through which the mixed hot water or water mixed by the mixing valve circulates, and a water discharge portion 30 and a rear outflow portion (a flow passage formed on the back surface of the faucet main body 20 and connected to a shower elbow (not shown). ).

  As shown in FIG. 2, the housing 21 has an outlet 22 through which mixed hot water or water mixed by the mixing valve flows. The outlet 22 has a substantially cylindrical shape, and has a thread 22A and a recess 22B. The thread 22 </ b> A is formed on the outer peripheral surface at the tip of the outlet 22. The recess 22B is formed such that the inner peripheral surface at the tip of the outlet 22 is recessed. The tip (upper end) of the concave portion 22B is inclined so as to be located outward as it goes upward.

  The main body cover 12 is made of, for example, resin and covers the outer surface of the faucet main body 20 as shown in FIG. As shown in FIG. 1, is configured by a front cover 12A and a rear cover 12B. The front cover 12A covers the front side (front side) of the faucet body 20. The rear cover 12B covers the back side (rear side) of the faucet body 20. The front cover 12A and the rear cover 12B are detachable from each other. As shown in FIG. 2, a step portion 12 </ b> C that is recessed downward is formed on the outer edge of the upper end of the main body cover 12.

  The temperature control handle 13 is an operation handle for adjusting the mixing ratio of the mixed hot water by the mixing valve of the faucet body 20. The temperature control handle 13 is provided on the faucet body 20 so as to be rotatable around an axis extending in the horizontal direction. The switching handle 14 is an operation handle for switching between discharge to the outlet 22 or the shower elbow and water stoppage by a switching valve or the like (not shown) and adjusting the discharge amount of the mixed hot water or water. The switching handle 14 is provided on the faucet body 20 so as to be rotatable around an axis extending in the horizontal direction.

As shown in FIG. 2, the water discharging section 30 includes a water pipe 40, a water discharging pipe 50, a cover member 60, and a pair of sliding rings 70.
One end (the lower end in FIG. 2) of the water pipe 40 is connected to the outlet 22 so as to be rotatable around the central axis with respect to the outlet 22. As shown in FIG. 3, the water pipe 40 includes a tubular portion 41 and a flange portion 42. The cylindrical portion 41 has a cylindrical shape, and has a flange portion 42 at one end (the upper end in FIG. 3). A water passage 41A and engaged portions 41B and 41C are formed in the tubular portion 41. The water passage 41 </ b> A is a through hole that penetrates the cylindrical portion 41. The engaged portion 41B is a groove with which a sliding ring 70 described later is engaged. The engaged portion 41B is formed along the outer periphery at a position slightly closer to the other end (closer to the lower end in FIG. 3) than the center of the cylindrical portion 41 in the longitudinal direction. The engaged portion 41C is formed along the outer circumference at a position slightly closer to the other end (the upper end in FIG. 3) in the longitudinal direction of the cylindrical portion 41.

  The flange portion 42 is a flange portion that extends radially outward at one end of the cylindrical portion 41. The flange portion 42 has a first convex portion 42A and a second convex portion 42B. The first convex portion 42A extends radially outward at one end (the upper end in FIG. 3) of the flange portion 42. The second convex portion 42B is formed closer to the other end (the lower end in FIG. 3) than the first convex portion 42A. The second convex portion 42B protrudes outside the first convex portion 42A.

  The water discharge pipe 50 is rotatably connected to the faucet body 20 via the water pipe 40. The water discharge pipe 50 extends in the radial direction from the other end (the upper end in FIG. 2) of the water pipe 40. As shown in FIG. 2, the water discharge pipe 50 includes a first pipe part 51, a second pipe part 52, and a water discharge port 53 (see FIG. 1), and is bent in an L shape. The first pipe part 51 is a circular ring-shaped pipe, and is caulked so as to cover the flange part 42 of the water pipe 40 from the outside. The second pipe part 52 is a pipe that extends linearly from the upper end of the first pipe part 51 in a direction substantially intersecting the rotation axis. A water outlet 53 is provided at the tip of the second pipe portion 52. The water discharge pipe 50 is rotatable within a range of about 360 ° in a horizontal plane with the water pipe 40 around the front front of the faucet main body 20.

  The cover member 60 is formed in a cylindrical shape as shown in FIG. The cover member 60 includes a first tubular portion 61 and a second tubular portion 62. The first cylindrical portion 61 is formed in a cylindrical shape. The second cylindrical portion 62 is formed in a cylindrical shape having a larger diameter than the first cylindrical portion 61, and communicates with the first cylindrical portion 61. The cover member 60 has a first groove 63, a second groove 64, and a third groove 65 formed on the inner peripheral surface side. The first groove 63 is formed on the upper end side of the cover member 60. The third groove 65 is formed on the lower end side of the first groove 63. The second groove 64 is formed as a groove shallower than the first groove 63 and the third groove 65 between the first groove 63 and the third groove 65. A screw thread 66 is formed in the third groove 65. On the lower end surface of the second cylindrical portion 62, a convex portion 67 that protrudes in a circular ring shape along the outer edge is formed.

  As shown in FIGS. 5 to 7, the pair of sliding rings 70 are provided between one end (lower end) of the water pipe 40 and the outlet 22, and the other end (upper end) of the water pipe 40 and the cover. Each member is provided between the member 60 and the member 60. The sliding ring 70 is made of a hard resin. The sliding ring 70 is formed in a substantially cylindrical shape, and includes a thin portion 70A and a thick portion 70B that are connected in the vertical direction. The sliding ring 70 has a cutout 71, an engaging portion 72, an outer edge 73, and three protrusions 74. The notch 71 is formed so as to cut a predetermined position in the circumferential direction of the sliding ring 70. The engaging portion 72 protrudes inward at one end (the lower end in FIG. 5) of the sliding ring 70 with a rounded outer shape. The outer edge 73 protrudes outward at one end of the sliding ring 70. One end (the lower end in FIG. 5) of the outer edge 73 is chamfered as shown in FIG. The engaging portion 72 and the outer edge portion 73 are portions that constitute the thick portion 70B. As shown in FIG. 7, the protrusions 74 are protrusions formed on the outer peripheral surface of the slide ring 70 at equal intervals around the center by 120 °.

  As shown in FIG. 2, a packing 80 is provided between one end side (lower end side) of the water pipe 40 and the outlet 22 (specifically, the recess 22 </ b> B). The packing 80 is formed in a substantially U-shaped circular ring shape in cross section, and seals the entire circumference between one end (lower end) of the water pipe 40 and the outlet 22.

Next, a connection structure between the faucet main body 20 and the water discharge unit 30 will be described.
As shown in FIG. 2, the water pipe 40 is inserted inside the outlet 22. Specifically, the lower end of the water pipe 40 is located below the concave portion 22B. The cover member 60 covers the outer peripheral surface of the water pipe 40, and the thread 66 is screwed into the thread 22 </ b> A of the outlet 22. The convex portion 67 of the cover member 60 faces the step portion 12C of the main body cover 12 in the up-down direction. In this manner, the cover member 60 is attached to the faucet main body 20.

  As shown in FIG. 2, the lower sliding ring 70 has one end side of the water pipe 40 (the lower end side, specifically, a position closer to the other end (upper end) than one end (lower end)) and the outlet 22 ( Specifically, it is provided between the recess 22B). Specifically, the thin portion 70A of the sliding ring 70 is sandwiched between one end (lower end) of the water pipe 40 and the recess 22B. The three protrusions 74 are in contact with the inner peripheral surface of the recess 22B. The thick portion 70B is located between the water pipe 40 and the cover member 60 at a position above the thin portion 70A. Further, the engaging portion 72 is fitted in the engaged portion 41B. The inner surface of the lower slide ring 70 is in contact with the outer surface of the water pipe 40 so that the notch 71 has an elastic force in the narrowing direction. The outer edge 73 is located between the tip of the outlet 22 and the upper wall 65 </ b> A constituting the third groove 65. The end of the thick portion 70B (the upper end of the lower slide ring 70 in FIG. 2) is in contact with the wall 65A.

  The packing 80 is provided below the lower sliding ring 70 between one end (lower end) of the water pipe 40 and the outlet 22 (specifically, the recess 22B). The packing 80 is provided in a state of being elastically deformed in the radial direction so as to have an elastic force in the radial direction.

  As shown in FIG. 2, the upper sliding ring 70 has the other end side of the water pipe 40 (the upper end side, specifically, a position slightly closer to one end (lower end) than the other end (upper end)), and a cover member. 60 (specifically, the first groove 63). The engaging portion 72 is fitted into the engaged portion 41C. The inner peripheral surface of the upper sliding ring 70 is in contact with the outer peripheral surface of the water pipe 40 so as to have an elastic force in a direction in which the notch 71 narrows. The end of the thin portion 70 </ b> A (the upper end of the upper sliding ring 70 in FIG. 2) is located at substantially the same height as the upper end of the cover member 60. The end of the thick portion 70B (the lower end of the sliding ring 70 in FIG. 2) is separated from the lower wall 63A constituting the first groove 63.

  The sliding ring 70 is made of a hard resin even when receiving a pressing force from the faucet body 20 or the cover member 60 when rotating the water discharge pipe 50 and the water pipe 40 with respect to the faucet body 20. Therefore, it is less likely to be deformed and the sliding resistance is reduced as compared with a configuration made of rubber or the like. In addition, the sliding ring 70 can suppress deterioration over time due to sliding and improve durability as compared with a configuration made of rubber or the like. Therefore, rattling of the water pipe 40 and the water discharge pipe 50 with respect to the faucet body 20 is less likely to occur, and the water discharge apparatus 10 with good operability can be realized.

  In addition, by engaging the engaging portion 72 of the lower slide ring 70 with the engaged portion 41B of the water pipe 40, the lower slide ring 70 is securely assembled to the water pipe 40. Become. Therefore, the state in which the lower sliding ring 70 is in contact with the wall 65A of the third groove 65 from below is maintained, and the water pipe 40 can be prevented from falling out of the outlet 22 and the cover member 60. .

  In addition, since each sliding ring 70 has an inner peripheral surface abutting against an outer peripheral surface of the water pipe 40 so that the notch 71 has an elastic force in a direction in which the notch 71 is narrowed, the sliding ring 70 is not easily displaced with respect to the outer peripheral surface of the water pipe 40. Has been assembled. Thereby, the water pipe 40 is easily positioned by the outlet 22 or the like via the sliding ring 70, and the center axis of the water pipe 40 is easily aligned with the center axis of the outlet 22. Therefore, the accuracy of assembling the water pipe 40 to the outlet 22 can be improved.

  In addition, since the pair of sliding rings 70 have the same configuration, components can be shared and components can be easily managed.

Next, an attachment step of attaching the water discharge section 30 to the faucet body 20 will be described with reference to FIG.
First, the water pipe 40 to which the water discharge pipe 50 is connected is prepared. Then, the sliding ring 70 is attached to the other end side (upper end side) of the water pipe 40. Subsequently, the outer peripheral surface of the water pipe 40 is covered with the cover member 60 so that the water pipe 40 is inserted into the inside of the cover member 60. Thereafter, the slide ring 70 is attached to one end (lower end) of the water pipe 40. Thereby, the cover member 60 is fixed to the water pipe 40. Thus, the water discharge unit 30 is configured.

  Subsequently, the packing 80 is attached to the concave portion 22B with respect to the faucet body 20 with the main body cover 12 attached. Then, the water discharging section 30 is connected to the faucet body 20 in such a state. Specifically, the lower end of the cover member 60 is brought into contact with the upper end of the outlet 22, and the thread 66 is screwed into the thread 22A. The water pipe 40 inserted through the packing 80 is inserted inside the outlet 22. The upper end of the outlet 22 enters between the third groove 65 of the cover member 60 and the sliding ring 70. In this manner, the attachment of the water discharging section 30 to the faucet main body 20 is completed.

Hereinafter, effects of the present configuration will be exemplified.
In the water discharge device 10 of the first embodiment, the pair of sliding rings 70 are made of hard resin, and are disposed between one end of the water pipe 40 and the outlet 22, and the other end of the water pipe 40 and the cover member 60. And are provided between them. With such a configuration, when the water discharge pipe 50 and the water pipe 40 are rotated with respect to the faucet main body 20, the sliding ring 70 is less likely to be deformed than a rubber-made configuration or the like. Therefore, rattling of the water discharge pipe 50 with respect to the faucet main body 20 is less likely to occur, and the water discharge device 10 with good operability can be realized.

Further, the sliding ring 70 has an engaging portion 72 that engages with the water pipe 40 on the inner peripheral surface. The water pipe 40 has an engaged portion 41B with which the engaging portion 72 engages on the outer peripheral surface.
Thus, in the water discharging device 10, the sliding ring 70 is securely assembled to the water pipe 40 by the engagement of the engaging part 72 of the sliding ring 70 with the engaged part 41B of the water pipe 40. Therefore, the sliding ring 70 contacts the outlet 22 and the cover member 60 without coming off from the water pipe 40, thereby preventing the water pipe 40 from falling out of the outlet 22 and the cover member 60.

Further, the sliding ring 70 has a notch 71 in which a predetermined position in the circumferential direction is cut, and the inner peripheral surface is formed on the outer peripheral surface of the water pipe 40 so that the notch 71 has an elastic force in a narrowing direction. Abut.
Thus, in the water discharge device 10, the slide ring 70 can be assembled to the water pipe 40 so that the inner peripheral surface of the slide ring 70 is in contact with the outer peripheral surface of the water pipe 40 via the cutout 71. Since the inner peripheral surface of the sliding ring 70 is in contact with the outer peripheral surface of the water pipe 40 so that the notch 71 has an elastic force in a direction in which the notch 71 narrows, the sliding ring 70 is not easily displaced with respect to the outer peripheral surface of the water pipe 40. Can be assembled. Therefore, it is easy to position the water pipe 40 via the sliding ring 70, so that the center axis of the water pipe 40 is easily aligned with the center axis of the outlet port 22, and the assembling accuracy of the water pipe 40 to the outlet port 22 is improved. Can be done.

The present invention is not limited to the embodiments described with reference to the above description and the drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the first embodiment, the water discharging device 10 includes the pair of sliding rings 70, but the number of the sliding rings 70 is not limited to this. Further, the position where the sliding ring 70 is engaged in the water pipe 40 may be arbitrarily set.
(2) In the first embodiment, the three protrusions 74 are formed on the slide ring 70, but the number of the protrusions 74 is not limited to this. Further, the position where the protrusion 74 is formed on the sliding ring 70 may be arbitrarily set.
(3) In the first embodiment, the form in which the water discharge device 10 includes the water discharge pipe 50 bent in an L shape is illustrated, but the shape of the water discharge pipe 50 is not particularly limited. For example, the water discharge pipe 50 may be configured in a curved shape like a so-called gooseneck.
(4) In the first embodiment, a deck-type faucet is illustrated as the water spouting device 10, but a wall-mounted faucet may be used.

DESCRIPTION OF SYMBOLS 10 ... Water discharger 20 ... Water faucet main body 22 ... Outlet 40 ... Water passage pipe 41B, 41C ... Engagement part 50 ... Water discharge pipe 60 ... Cover member 70 ... Sliding ring 71 ... Notch part 72 ... Engagement part

Claims (3)

A faucet body having an outlet,
A cylindrical water pipe connected to the outlet,
A water discharge pipe communicating with the water pipe,
One end of the water pipe is connected to the outlet such that the water pipe is rotatable around a central axis with respect to the outlet, and the water discharge pipe is radially arranged from the other end of the water pipe. In the extended water discharge device,
A cover member attached to the faucet body and covering the outer peripheral surface of the water pipe,
A pair of sliding rings made of hard resin, provided between the one end of the water pipe and the outlet, and between the other end of the water pipe and the cover member, respectively.
A water spouting device provided with. The sliding ring has an engaging portion that engages with the water pipe on an inner peripheral surface,
The water discharge device according to claim 1, wherein the water pipe has an engaged portion on the outer peripheral surface with which the engaging portion engages.   The sliding ring has a notch portion cut at a predetermined position in a circumferential direction, and an inner peripheral surface abuts an outer peripheral surface of the water pipe so that the notch portion has an elastic force in a direction in which the notch portion narrows. Item 3. The water discharging device according to Item 1 or 2.

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