JPH04316769A - End stop type faucet metal fixture - Google Patents

Abstract

PURPOSE:To improve sealing ability of the base part of the rotatable conduit of a tip stop faucet metal fixture. CONSTITUTION:A cylindrical non-dislocation rotary member 13 having a flange- form part 12 is secured joined in a screwed-in state with the inner periphery of a base end part 11 of a conduit 6. The flange-form part 12 is locked in a slide contact state to a non-dislocation press member 19 secured to a feed port body 17, and the base end part 11 of the conduit 6 is mounted rotatably in a non-dislocation state on the feed port body 17. The one end of a seal member 26 formed of a cylindrical resilient substance having a peripheral protrusion part 25 brought into firm internal contact with an inner wall 10 of a passage communicated to a feed port 5 and sealing leakage of fluid to the outside is energized rotatably in a slide contact state and in a watertight state against a disc surface 14, formed on the surface on the upper stream side of the flange- form part 12 of the non-dislocation rotary member 13 fixed to the base end part 11 of the conduit 6, through the force of a spring 27.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a first-stop faucet fitting,
Specifically, the present invention relates to a faucet fitting that can be rotatably attached to the discharge port of a hot water mixing faucet and can be stopped at the beginning.

0002

[Prior Art] Conventionally, the flow rate of fluid such as hot water or cold water discharged from a discharge port provided at the tip of a conduit can be adjusted using a handle provided near the discharge port. The stopper fittings are, for example, manufactured by Japanese Utility Model Publication No. 64-2417.
It is described in Publication No. 1. Such a first-stop faucet fitting is convenient because it is possible to easily open and close the discharge port without getting your hands or clothes wet by operating the handle without having to extend your hand too much. In particular, even when hot water is being discharged, the valve can be closed without touching the hot water, making it safe.

However, the first-stop faucet fitting described in the above-mentioned conventional example is attached to a conduit that is fixedly protruding from a hand-washing bowl or the like, and its discharge port is fixedly attached to the conduit. It is being Therefore, hot water or cold water can only be discharged toward a predetermined location such as a hand washing bowl. However, in a relatively wide sink or the like, it would be more convenient if the conduit of such a first-stop faucet fitting was rotatable.

0004

[Problems to be Solved by the Invention] By the way, when making a conduit rotatable, conventionally, as shown in FIG.
In order to seal the base 2 of the conduit 6, a retaining member 1 is used.
A pair of upper and lower O-rings 20, 20 are interposed between the outer periphery of the base 2 of the conduit 6 and the inner wall of the supply port main body 17, which are fixedly attached by the screws 9. However, in such a configuration, the O-rings 20, 20 are worn each time the conduit 6 is rotated, so there is a problem in that the sealing performance is deteriorated.

The present invention has been made in view of the above circumstances, and is a first-stop faucet fitting with a rotatable conduit.
The objective is to improve the sealing performance of the base of the conduit.

[0006]

[Means for Solving the Problems] The present invention includes a base portion of a conduit rotatably attached to a supply port for supplying fluid.
A discharge port for discharging fluid to the outside is provided at the tip of the conduit, and a handle for variably adjusting the flow rate of the fluid discharged from the discharge port is attached close to the discharge port. The means for solving the above-mentioned problem in the first-stop faucet fitting is configured as follows.

That is, on the inner periphery of the proximal end of the conduit,
A cylindrical retaining rotating member having a flange-like part and allowing fluid circulation is screwed and fixed, and the flange-shaped part is slidably engaged with a retaining member fixed to the supply port main body side. The proximal end of the conduit is attached to the supply port main body in a rotatable manner to prevent it from coming off, and the upstream side surface of the brim-like part of the retaining rotating member fixed to the proximal end of the conduit. The disk surface formed in
One end of a sealing member made of a cylindrical elastic body having a circumferential convex portion tightly inscribed in the inner wall of the passage communicating with the supply port to seal leakage of fluid to the outside is fixed by a spring.
It is biased so that it can slide and rotate and is watertight.

[0008]

[Operation] According to the above structure, the disc surface formed on the upstream side of the brim-like part of the retaining rotating member fixed to the proximal end of the conduit is in close contact with the inner wall of the supply port body, and the fluid is One end of the sealing member made of a cylindrical elastic body having a circumferential protrusion that seals against leakage to the outside is biased by a spring so that it can slide and rotate freely and be in a watertight state.
If the disk surface is made smooth by applying Teflon coating, for example, to reduce the sliding resistance against the seal member and to make the sliding movement of the disk surface against the seal member smooth, the disk surface and the seal member It is possible to improve the sealing performance between the and,
Due to the smooth sliding movement of the disk surface, the circumferential convex portion of the sealing member is always kept stationary and tightly fitted against the inner wall of the supply port, and the inner wall and the sealing member are connected to each other. It is possible to maintain good sealing performance between the two. Therefore, the sealing performance at the base of the conduit is good.

[0009]

EXAMPLES The present invention will be explained in detail below based on examples. A first stop faucet fitting 1 is shown in FIG. 4, and its base 2 is rotatably attached to a supply port 5 provided in a sink 3, and a discharge port 8 provided at a tip 7 of a conduit 6 is connected to the stopper fitting 1. ,
A handle 9 is rotatably attached to the conduit 6 and is provided adjacent to the outlet 8 for variably adjusting the flow rate of fluid discharged from the outlet 8. In other words, the conduit 6 is rotatable, and the discharge port 8 provided at its tip 7 can be moved to any position, and the angle of the discharge port 8 itself can also be changed arbitrarily. , and a handle 9 provided corresponding to the discharge port 8 allows the flow rate of the fluid discharged from the discharge port 8 to be variably adjusted. Therefore, when such a first-stop faucet fitting 1 is installed in a relatively wide sink 3, the handle 9 can be easily adjusted without extending the hand.
You can easily open and close the outlet 8 without getting your hands or clothes wet by operating the , and even when especially hot water is being discharged, you can close it without touching the hot water. , extremely convenient and safe.

The base 2 of the first stop faucet fitting 1 is shown in FIGS. 1 and 2, and the base of the conduit 6 is connected to a slide liner 1 made of Teflon resin having a flange portion on the upper part.
5, the proximal end of the conduit 6 is rotatably fitted into a retaining member 19 which is fastened and fixed by bolts 18, 18 to a mounting fixing part 28 which is screwed and fixed to the supply port main body 17. The collar portion 12 of the cylindrical retaining rotating member 13 screwed and fixed to the inner periphery of the retaining member 11 is slidably engaged with the lower end of the retaining member 19 . A ring-shaped sliding packing 21 made of Teflon resin is fitted into a groove formed on the circumferential surface of the brim portion 12 corresponding to the retaining member 19, and a spring 27 (to be described later) is applied to the retaining member 19.
The sliding and rotating movement of the flanged portion 12 that is biased toward the 9 side is made good, and the conduit 6 is prevented from coming off so that it can be smoothly rotated. Note that the retaining member 19 is covered with a resin cover body 30 that is screwed and fixed to the upper peripheral portion thereof.

A sealing member 2 is provided on the lower surface of the brim portion 12 of the retaining rotating member 13 fixed to the proximal end 11 of the conduit 6.
A circumferential convex portion is formed on the disk surface 14 and is in close contact with the inner wall 10 of the mounting fixing portion 28, which serves as a passage communicating with the supply port 5, to seal against leakage of fluid to the outside. One end of a cylindrical sealing member 26 made of an elastic body such as a rubber body having a diameter of 25 is urged by a spring 27 so as to be slidably rotatable and watertight. Therefore, the disk surface 14 is made smooth by applying Teflon coating T, etc., and the sealing member 2
It is preferable to reduce the sliding resistance against the sealing member 6 to prevent the sealing member 26 from sticking to the disk surface 14. By doing so, the sliding movement of the disk surface 14 against the sealing member 26 is smoothed. In addition, the sealing performance between the disk surface 14 and the sealing member 26 can be improved. Here, since the seal member 26 is always urged against the disk surface 14 by the spring 27, even if one end side of the seal member 26 is worn out due to the rotation of the disk surface 14, The biasing state of the two does not change, and the sealing performance between the two is always maintained stably.

Due to the smooth rotation of the disk surface 14 as described above, the circumferential convex portion 25 of the sealing member 26 remains stationary and tightly fitted to the inner wall 10 of the mounting fixing portion 28 at all times. , the sealing performance between the inner wall 10 and the sealing member 26 is maintained well. Therefore, the conventional problem of deterioration of sealing performance due to wear caused by the rotation of the O-ring together with the conduit is eliminated.

On the other hand, the tip end 7 of the first stop faucet fitting 1 is shown in FIG. The pre-attached casing 31 is fixed to the part 7 in a T-shaped manner.
A rotating casing 36 having a discharge port 6 is installed at one end of the rotating casing 36, and a handle 9 is rotatably attached to the other end.

The flow rate regulating valve 29 housed in the pre-attached casing 31 is operated in relative sliding contact by a support shaft 42 which is fixed to and rotated by a handle 9 rotatably attached to one end of the pre-attached casing 31. By adjusting the size of the holes, the flow rate of the fluid discharged from the discharge port 8 can be variably adjusted. To be more specific, the support shaft 42 is rotatably supported by a bearing part 45 fixed in the pre-attached casing 31, the handle 9 is fixed to its outer end by a screw member 46, and the support shaft 42 is rotatably supported to its outer end by a screw member 46. One of the holed disk members 43 is fixed through a member, and the other holed disk member 44 that slides coaxially with the holed disk member 43 is formed at the rear end of the bearing portion 45. Fixed to the support.

The double-hole disc members 43 and 44 are as follows:
It is made of ceramic material and is said to have good durability.
Although not shown, one of the holed disk members 43 has corresponding fan-shaped flow rate adjustment holes, and is rotated by the handle 9 relative to the flow rate adjustment hole of the other fixed holed disk member 44. By relative rotational displacement of the flow rate adjustment hole, the size of the flow rate adjustment hole changes from fully closed to fully open. Note that fluid flow paths are indicated by arrows.

The rotary casing 36 to which the discharge port 8 is attached has a retaining ring 35 fitted in a circumferential groove 34 formed at the tip of a pivot 32 fixedly provided in the pre-attached casing 31. , by being integrated with the rotating casing 36, it is prevented from coming off with respect to the pivot shaft 32 and is rotatable around the pivot shaft 32. To be more specific, a sliding fitting part 48 into which an O-ring 47 is fitted is formed on the side of the rotating casing 36 to be fitted into the pre-attached casing 31, and a vertical wall 49 inside thereof is formed with a sliding fitting part 48 on which the pre-attached casing 31 is fitted. A shaft hole 50 through which the pivot shaft 32 is rotatably inserted and a communication hole 51 through which fluid flows are bored and formed, and from a cavity 52 formed on the outside of the vertical wall 49 in a direction perpendicular to the pivot shaft 32, An opening 37 for screwing and fixing the discharge port 8 is formed. The discharge port 8 is provided with a retaining ring 35 that is screwed and fixed into the opening 37 of the rotating casing 36, and a lid 39 that is screwed onto the tip of the retaining ring 35. After installing the rotating casing 36,
As shown in the figure, when the retaining ring 35 is screwed into the opening 37 while being fitted into the pre-attached casing 31, the peripheral end of the retaining ring 35 is attached to the pivot shaft 32 on the pre-attached casing 31 side. Fitted into the circumferential groove 34, the rotating casing 36 is rotatably assembled to the pre-attached casing 31 in a manner that prevents it from coming off. In other words, there is no need to provide a blind cover for assembling the rotary casing to the pre-attached casing as in the past, and the number of parts can be reduced and the rotary casing 36 equipped with the discharge port 8 can be assembled very easily. It is designed so that it can be assembled.

In order to be able to set the rotating position of the conduit 6 in particular, a vertical hole is formed in the receiving surface of the mounting fixing part 28 corresponding to the circumferential surface of the brim-like part 12 of the retaining rotating member 13. (not shown) is bored and formed, and a ball 24 biased by a spring 23 (see FIG. 5) is fitted into the vertical hole. What is necessary is just to make it correspond to the plurality of receiving holes 16 formed in . By doing so, any of the receiving holes 1
By engaging part of the ball 24 with the ball 24, the conduit 6 can be stably engaged at that position, and the direction of fluid discharge can be stably maintained during discharge.

Furthermore, in order to prevent troubles such as the fluid from being inadvertently discharged outside the sink 3 by restricting the rotation range of the discharge port 8, for example, as shown in FIG. , a pair of protrusions 54, 54 are fitted into the support portion 53 of the pivot shaft 32 in the pre-attached casing 31, while both protrusions 54, 5 are fitted into the corresponding vertical wall 49 of the rotating casing 36.
A swingable protrusion 55 may be formed protrudingly between the four. By doing so, the rotation of the rotation casing 36 is allowed within the range in which the protrusion 55 of the rotation casing 36 can move (see FIG. 7), and further rotation can be restricted.

[0019]

As explained above, according to the first stop faucet fitting of the present invention, the disk surface formed on the upstream side surface of the brim-shaped part of the retaining rotating member fixed to the proximal end of the conduit. for,
One end of a sealing member made of a cylindrical elastic body having a circumferential convex portion that is tightly inscribed in the inner wall of the supply port body to seal leakage of fluid to the outside is slidably and rotatably brought into a watertight state by a spring. Therefore, the disk surface is smoothed by applying a Teflon coating, for example, to reduce the sliding resistance against the seal member and prevent the seal member from sticking to the disk surface. The sliding movement of the disk surface against the seal member can be made smooth, and the sealing performance between the disk surface and the seal member can be improved. Incidentally, even if the seal member is worn out due to rotation of the disk surface, the state in which the seal member is urged against the disk surface by the spring does not change. This smooth and stable sliding and rotating movement of the disk surface allows the circumferential convex portion of the sealing member to remain stationary and tightly fitted against the inner wall of the supply port at all times. Good sealing performance can be maintained between the seal member and the seal member. Therefore, the sealing performance of the base of the first stop faucet fitting is maintained well.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a state in which the base of a conduit is attached to a supply port main body in an embodiment of a first stop faucet fitting of the present invention.

FIG. 2 is an exploded perspective view of the base of the conduit.

FIG. 3 is a cross-sectional view of the distal end of the conduit.

FIG. 4 is a perspective view showing a state in which a first stop faucet fitting is attached to a sink.

FIG. 5 is a perspective view showing the correspondence between the ball and the receiving hole for setting the rotational position of the conduit.

FIG. 6 is a corresponding perspective view of a pre-attached casing and a rotating casing in a case where the rotating range of the discharge port is restricted.

FIG. 7 is a cross-sectional view showing the rotation range of the discharge port.

FIG. 8 is a cross-sectional view of the attachment portion of the base of the conduit in the conventional first-stop faucet fitting.

[Explanation of symbols]

1 - stop faucet fitting, 2 - base, 5 - supply port, 6 - conduit, 7 - tip, 8 - discharge port, 9 - handle, 10 - inner wall, 11 - base end, 12 - collar part , 13--removal prevention rotating member, 14--disk surface, 17--supply port body, 19--removal prevention pressing member, 25--circumferential protrusion, 26--sealing member, 27--spring.

Claims (1)

[Claims] Claim 1: A base portion of a conduit is rotatably attached to a supply port for supplying fluid, and a discharge port for discharging fluid to the outside is provided at a distal end of the conduit, and a discharge port for discharging fluid to the outside is provided. A stop faucet fitting in which a handle for variably adjusting the flow rate of fluid to be discharged is attached close to the discharge port thereof, and the inner periphery of the proximal end of the conduit includes a brim-shaped part. A cylindrical retaining rotating member having a cylindrical shape and allowing fluid flow is screwed and fixed, and the brim portion is slidably latched to a retaining member fixed to the supply port main body side, The proximal end of the conduit is attached to the supply port main body in a rotatable manner to prevent it from coming off, and is formed on the upstream side surface of a brim-like part of a retaining rotating member fixed to the proximal end of the conduit. One end of a sealing member made of a cylindrical elastic body having a circumferential convex portion tightly inscribed in the inner wall of the passage communicating with the supply port to seal leakage of fluid to the outside is attached to the disk surface by a spring. A first-stop faucet fitting that is rotatable and biased to be in a watertight state.