JP4565431B2 - Water faucet - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water faucet, and more particularly to a water faucet used as a branch tap, a branch stop cock or a water tap.
[0002]
[Background Art and Problems to be Solved by the Invention]
As a conventional branching plug, a substantially T-shaped tubular branching plug body having a primary side water supply pipe connection port, a secondary side water supply pipe connection port and a branching port, a branch port opening / closing valve provided in the branching plug body and having a handle, The one with is known.
[0003]
However, since the branch port does not move in the case of the above-mentioned branch plug, for example, when this is embedded in a wall and installed, the branch port always protrudes from the wall, which may be an obstacle. Moreover, it is necessary to open and close the branch port by operating the handle of the on / off valve, which is troublesome.
[0004]
The present invention has been made in view of the above-described problems, and the branch port or the water discharge port is rotatable, and the same can be opened and closed by rotating the branch port or the water discharge port. The purpose is to provide an easy-to-use faucet.
[0005]
[Means for Solving the Problems]
The faucet according to this invention is
A primary side water supply pipe connection port is provided at one of the upper and lower ends, a secondary side water supply pipe connection port is provided at the other end portion, and a communication hole that is open from the front to the left or right side is provided in the peripheral wall. A cylindrical faucet body,
A cylindrical body with a branch port that is rotatably fitted to the faucet body so as to cover the communication hole and has a branch port that protrudes outward from the peripheral wall;
A valve stem that is disposed across the faucet body and the branch port through the communication hole, and is provided with two vertical shaft portions projecting on the upper and lower sides at the end on the faucet body side;
A valve body attached to the end of the valve stem on the branch port side;
A valve seat provided in the branch port;
Branch port opening / closing cam hole into which the end of the valve stem on the faucet body side is sandwiched from both the top and bottom sides and the vertical shafts of the valve stem are inserted and the vertical through hole for water flow A pair of upper and lower valve stem support members having holes,
The cam hole of each valve stem support member is open at the branch port provided at a position where each vertical shaft portion is fitted and the valve body is separated from the valve seat when the branch port is directed forward. And a branch port closed end provided at a position where each vertical shaft portion is fitted when the branch port is directed to the side and the valve body is brought into contact with the valve seat. It is a thing.
[0006]
The above-mentioned water faucet can be used as a branch plug, and the branch port is opened by directing the branch port forward, and the branch port is closed by directing the branch port to the side. Therefore, if this faucet is installed embedded in a wall, for example, when the branch plug is opened, the branch port protrudes forward from the wall, and when not used, that is, when the branch plug is closed, the branch port does not protrude from the wall. Can be.
[0007]
The faucet according to the present invention may further include an opening / closing valve that has a handle disposed on the front side of the faucet body and opens and closes the flow path in the faucet body on the primary side of the communication hole.
[0008]
If the faucet according to the present invention further includes the on-off valve as described above, this can be used as a branch stop faucet, which is convenient.
[0009]
The faucet according to the present invention further includes a substantially C-shaped branch port stopper attached to the faucet body so that a part of the branch port is fitted when the branch port is directed to the side. There may be.
[0010]
If the faucet is further equipped with a branch stopper as described above, the trouble is that the floor near the faucet gets wet when the branch opening unexpectedly turns forward from the closed state and the branch opening opens. Can be avoided. In addition, you may make it hold | maintain the branch port turned to the said side by stoppers other than the above. Moreover, you may make it also provide the stopper which hold | maintains the same branch port when a branch port is turned ahead.
[0011]
Further, as the faucet according to the present invention, in the above faucet, the other end of the faucet body is closed with a lid instead of being provided with a secondary side water supply pipe connection port at the other end of the faucet body. There are some that are used as spouts.
[0012]
The faucet can be used as a faucet. The water outlet opens when the water outlet is directed forward, and the water outlet closes when the water outlet is directed sideways.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings. In the following description, the front means the bottom of FIGS. 3, 6 and 9, and the back means the top of the same. The left and right are the left and right viewed from the front.
[0014]
1 to 9 show a first embodiment of the present invention. The water faucet (1) in this embodiment is used as an embedded branch water faucet, and as shown in FIGS. 1 to 7, a primary side water supply pipe connection port (2a) is provided at the lower end portion. A cylindrical faucet body (2) provided with a secondary side water supply pipe connection port (2b) at the upper end and a communication hole (2c) opened from the front to the right on the peripheral wall, and a communication hole ( 2c) and a cylindrical body (3) with a branch port (4) having a branch port (4) projecting outward from the peripheral wall and rotatably fitted to the faucet body (2). Two vertical shafts (51) are arranged across the faucet body (2) and the branch port (4) through the hole (2c), and project at both ends of the faucet body (2) side. ), A valve element (6) attached to the end of the valve stem (5) on the branch port (4) side, and a valve provided in the branch port (4). Inside the faucet body (2) so that the end on the faucet body (2) side of the seat (7) and valve stem (5) is sandwiched from both the top and bottom sides A pair of upper and lower valve stem supports that are fixedly arranged and have a branch port opening / closing cam hole (81) and a water flow vertical through hole (82) into which the upper and lower vertical shaft portions (51) of the valve stem (5) are inserted. Members (8A) and (8B). The cam hole (81) of each valve stem support member (8A) (8B) is fitted with each vertical shaft portion (51) when the branch port (4) is directed forward, and the valve element (6) The open end (81a) of the branch port provided at a position where it is spaced from the valve seat (7), and each vertical shaft portion (51) is fitted when the branch port (4) is directed to the right. And a branch port closed end (81b) provided at a position where the valve body (6) is brought into contact with the valve seat (7). The faucet (1) further has a handle (91) disposed on the front side of the faucet body (2) and opens and closes the flow path in the faucet body (2) on the primary side from the communication hole. A valve (9) is provided. The faucet (1) is substantially C attached to the faucet body (2) so that a part of the branch port (4) is fitted when the branch port (4) is directed to the right. It is also equipped with a shaped branch stop (10).
[0015]
The faucet body (2) includes a vertical cylindrical member (21), a primary side water supply pipe connection port member (22), and a secondary side water supply pipe connection port member (23). A female screw (211) is provided at the lower end portion of the vertical cylindrical member (21), and a male screw (221) provided at the upper end portion of the primary side water supply pipe connection port member (22) is screwed thereto. Thus, the primary side water supply pipe connection port (2a) is formed. A space between the lower end portion of the vertical cylindrical member (21) and the primary side water supply pipe connection port member (22) is sealed with a gasket (24) made of an O-ring. The primary side water supply pipe connection port member (22) includes a downward projecting cylindrical connection port part (222) inserted into a distal end portion of a primary side water supply pipe (not shown) made of a flexible resin pipe, and a connection port part ( 222) and a cylindrical portion (223) with a female thread provided around the periphery. Then, a pipe clamping ring (25) is fitted on the tip of the primary side water supply pipe, and a cap nut (26) whose lower end engages with the ring (25) is rotatably fitted to the bag. The primary side water supply pipe is connected to the connection port (2a) by screwing the nut (26) onto the cylindrical part (223) with male thread.
[0016]
A male screw (212) is provided at the upper end of the vertical cylindrical member (21), and a female screw (231) provided at the lower end of the secondary side water supply pipe connection port member (23) is screwed here. As a result, the secondary side water supply pipe connection port (2b) is formed. The upper end of the vertical cylindrical member (21) and the secondary side water supply pipe connection port member (23) are sealed with a gasket (24) made of an O-ring. The secondary side water supply pipe connection port member (23) is connected to the upward projecting cylindrical connection port part (232) inserted into the base end of the secondary side water supply pipe (not shown) made of a flexible resin pipe. And a cylindrical part (233) with a female thread provided around the mouth part (232). Then, a pipe tightening ring (25) is fitted on the base end of the secondary side water supply pipe, and a cap nut (26) whose lower end is engaged with the ring (25) is rotatably fitted. The secondary side water supply pipe is connected to the connection port (2b) by screwing the cap nut (26) onto the cylindrical part (233) with male thread.
[0017]
The communication hole (2c) is provided in a portion slightly above the center of the length of the peripheral wall of the vertical cylindrical member (21), and has a horizontally long shape as shown in FIG. The upper half of the outer peripheral surface of the peripheral wall of the vertical tubular member (21) in the faucet body (2) has a smaller diameter than that of the lower half by an amount corresponding to the thickness of the cylinder (3). The cylindrical body (3) is fitted on the upper half. Annular grooves (213) are formed in the upper and lower sides of the communication hole (2c) in the upper half of the outer peripheral surface of the peripheral wall of the vertical cylindrical member (21), and packings (27) comprising O-rings in these grooves (213) Is inserted. Of the upper half of the outer peripheral surface of the peripheral wall of the vertical cylindrical member (21), the portion located between the two upper and lower annular grooves (213) has a smaller diameter than the other portions, There is a gap between (3) and (3).
[0018]
The branch port (4) protrudes obliquely upward from the peripheral wall of the cylindrical body (3). A male screw (41) is provided at the tip side portion of the branch port (4). The valve seat (7) is constituted by an annular inward projecting portion provided at the center of the length on the inner peripheral surface of the branch port (4). The side surface on the tip side of the branch port (4) in the inward projecting portion is a tapered surface that gradually spreads outward toward the tip of the branch port (4), and this tapered surface is in contact with the valve body (6). It constitutes a seat surface (71).
[0019]
As shown in FIGS. 2, 4 and 5, the valve stem (5) is disposed obliquely corresponding to the branch port (4). An annular outward projection (52) is formed at a position near the end of the valve stem (5) on the branch port (4) side, and this outward projection (52) and the end on the branch port (4) side are formed. A substantially spherical valve body (6) with a rubber through-hole is inserted through a portion between the two. An annular groove (53) is formed at the end of the valve stem (5) on the branch port (4) side, and a part of the substantially C-shaped valve body stopper (11) is fitted into this groove (53). This prevents the valve body (6) from coming off the valve stem (5). In this embodiment, the upper and lower two vertical shaft portions (51) of the valve stem (5) are connected in a straight line and have a circular cross section.
[0020]
As shown in FIG. 7, the two valve stem support members (8A) and (8B) are substantially disk-shaped.
The lower valve stem support member (8B) is received by an annular step (214) formed at a slightly lower part of the communication hole (2c) in the vertical tubular member (21) of the faucet body (2). Yes. Further, the lower valve stem support member (8B) includes two legs (83) extending downward from the front and rear portions at the lower peripheral edge of the lower valve stem support member (8B), and these legs (83) are annular steps (214). It is made impossible to rotate by being inserted into a notch (215) formed in the corresponding position. The upper valve stem support member (8A) includes two legs (84) extending downward from the left front part and the rear part at the lower peripheral edge of the lower valve stem support member (8A). By fitting into a notch (85) formed in the corresponding part of the upper surface peripheral edge of the rod support member (8B), it is impossible to rotate on the lower valve rod support member (8B) and the lower valve rod The end of the valve stem (5) on the faucet body (2) side is arranged so as to have a gap that can move horizontally between the support member (8B). An annular groove (216) is provided in the vertical tubular member (21) of the faucet body (2) immediately above the upper valve stem support member (8A), and a substantially C-shaped valve is provided in the groove (216). By fitting a part of the rod support member stopper (12), the upward movement of both valve rod support members (8A) and (8B) is prevented. The outer edge portions of the cam holes (81) on the opposing surfaces of the both valve stem support members (8A) and (8B) are inclined surfaces corresponding to the inclination of the valve rod (5). The cam holes (81) of both valve stem support members (8A) and (8B) are vertical in a substantially arcuate cross section formed from the front part of the peripheral edge of the members (8A) and (8B) to the part slightly to the right of the center. It is constituted by a through hole. The front end of the cam hole (81) is the branch port open end (81a), and the rear end is the branch port closed end (81b). The cam hole (81) may be formed of a bottomed hole that is opened on the opposing surfaces of the both valve stem support members (8A) and (8B). As shown in FIGS. 3 and 6, small protrusions (811) are formed on the left and right sides of the cam hole (81) adjacent to the branch port open end (81a). These protrusions (811) serve as a stopper to prevent the vertical shaft portion (51) of the valve stem (5) fitted into the branch port open end (81a) from easily moving backward. The valve stem (5) including the vertical shaft portion (51) and both upper and lower valve stem support members (8A) and (8B) are formed of a synthetic resin having a slight elasticity, and are used to rotate the branch port (4). Accordingly, when the vertical shaft portion (51) of the valve stem (5) gets over both protrusions (811), the vertical shaft portion (51) and the protrusion (811) are slightly elastically deformed. Note that the same protrusions as described above may be formed on both the left and right portions of the cam hole (81) adjacent to the branch port closed end (81b). The vertical through holes (82) for water flow in both valve stem support members (8A) and (8B) are formed at portions other than the cam holes (81) in the members (8A) and (8B) and as shown in FIGS. It is constituted by a long hole having a simple cross section. There may be a plurality of vertical through holes (82) for water circulation. Further, when the cam hole (81) has a vertically penetrating shape, the cam hole (81) may also serve as the vertical through hole for water flow.
[0021]
The on-off valve (9) is a ball valve in this embodiment. Specifically, the on-off valve (9) is composed of a pair of upper and lower valve seats (92) disposed at a predetermined interval in the lower part of the faucet body (2), and both valve seats (92). A ball (93) with a water passage hole (931) interposed between the water passage hole (931) and an insertion port (217) formed in the front portion of the lower end of the vertical tubular member (21) of the faucet body (2). A valve stem (94) having an engagement convex portion (941) inserted in and inserted into a groove (932) formed on the outer surface of the ball (93), and a screw on the front end portion of the valve stem (94) It consists of a handle (91) stopped at (95). The upper valve seat (92) is fitted into an annular notch (218) formed at the lower end of the vertical cylindrical member (21), and the lower valve seat (92) is a primary side water supply pipe connection port The member (22) is fitted into an annular notch (224) formed at the upper end of the member (22). Two packings (96) made of O-rings are interposed between the valve stem (94) and the insertion port (217). The front portion of the valve stem (94) has a square cross section, and a handle rotation range restricting ring (97) is non-rotatably fitted into the rectangular portion. The ring (97) has an engaging convex portion (971) at a part of its peripheral edge, and the engaging convex portion (971) excludes the upper portion at the peripheral edge portion of the front end of the insertion port (217). The rotation range of the handle (91) is restricted to 90 ° by coming into contact with the left and right ends of the cut-out front protrusion (217a) formed in the part. The handle (91) has a substantially vertical disk shape and has a knob portion (911) extending on one diameter line on the front surface of the handle (91). As shown in FIGS. In the vertical rotation position, the water passage hole (931) of the ball (93) is in an open state in which the water passage hole (931) communicates with the inside of the faucet body (2), and the knob (911) is horizontal (not shown). ) Is fixed to the valve stem (94) so that the water passage hole (931) of the ball (93) is closed with the inside of the faucet body (2).
[0022]
Further, the faucet body (2) is provided with a vertical plate-like insertion member (14) via a horizontal bar-like connecting member (13) at the rear portion of the lower end portion of the vertical cylindrical member (21). It has been.
[0023]
The branch port stopper (10) has an opening on the upper edge of the insertion member (14) through a crank rod-like connecting member (15) extending from the upper edge to the right of the faucet body (2). Is attached so that it faces forward. This branch port stopper (10) is made of a synthetic resin having a slight elasticity, and is elastically deformed so as to spread slightly outward when a part of the branch port (4) is fitted into the stopper. The branch port (4) can be temporarily fixed by restoring it when a part of the branch port (4) is completely fitted.
[0024]
In the faucet (1), when the on-off valve (9) is open, water from the primary side water supply pipe passes through the flow passage in the faucet body (2) to the secondary side water supply pipe. And flows into the branch port (4) through the communication hole (2c). In this state, as shown in FIGS. 2 and 3, when the branch port (4) is directed to the right, the valve element (6) is in a position in contact with the valve seat (7), and the branch port ( 4) is closed. At this time, the vertical shaft portion (51) of the valve stem (5) is fitted into the branch port closed end (81b) of the cam hole (81), and a part of the branch port (4) is a branch port. It is fitted in the stopper (10). Next, from this state, as shown in FIGS. 5 and 6, when the branch port (4) is rotated together with the cylindrical body (3) so that the branch port (4) faces forward, a part of the branch port (4) branches. Part of the valve seat (7) in the branch port (4) except for the valve seat surface (71) comes into contact with the valve stem (5) and the valve stem (5) is branched off. It can be rotated together with (4). At this time, the vertical shaft portion (51) of the valve stem (5) is guided to the branch port open end (81a) by the cam hole (81). And when the vertical shaft part (51) of the valve stem (5) is fitted into the branch port open end (81a) of the cam hole (81), that is, when the branch port (4) faces the front, The rotation of (4) stops.At this time, the valve body (6) is located away from the valve seat (7), the branch port (4) is open, and the water from the tip of the branch port (4) Is discharged. When closing the branch port (4), an operation reverse to the above may be performed. On the other hand, when the on-off valve (9) is closed, the water from the primary side water supply pipe does not flow into the secondary side water supply pipe or into the branch port (4).
[0025]
8 and 9 show a state in which the water faucet (1) is installed in a wall (W). The faucet installation part (W1) in the wall (W) has a square hole (H), and the periphery of the front opening (161) of the faucet storage box (16) is the back side in this hole (H) It is inserted from.
The faucet (1) is accommodated in the faucet accommodation box (16). A faucet support pocket (163) opened upward is formed on the front surface of the rear wall (162) of the faucet storage box (16), and the plug member (14) is inserted into the faucet support pocket (163). The faucet (1) is fixed to the faucet storage box (16). The upper and lower walls (164) of the faucet storage box (16) are provided with water supply pipe insertion holes (164a), and outwardly projecting cylindrical sheath pipe connection ports at the peripheral portions of these holes (164a) A part (165) is provided. The primary side water supply pipe and the secondary side water supply pipe are each inserted into a sheath pipe (not shown). Although not shown, the faucet storage box (16) is provided with a door for opening and closing the front opening (161) thereof. As shown by a one-dot chain line in FIG. 9, in the open state where the branch port (4) faces forward, the tip of the branch port (4) slightly protrudes from the wall (W). On the other hand, as shown by the solid line in FIG. 9, in the closed state where the branch port (4) faces rightward, the branch port (4) is completely contained behind the wall (W), and the faucet storage box ( The front opening (161) of 16) can be completely covered with a door.
[0026]
10 and 11 show a second embodiment of the present invention. The faucet (100) of this embodiment is the same as the faucet (1) of the first embodiment shown in FIGS. 1 to 9 except for the following points. That is, in the faucet (100) shown in FIGS. 10 and 11, the upper end of the faucet body (2) is closed by the lid (17) instead of the secondary water supply pipe connection port (2b). The branch port (4) is a water discharge port (40). That is, this water tap (100) is used as a water tap. As shown in FIGS. 10 and 11, the lid (17) is composed of a peripheral wall portion (171) having an internal thread (171a) and a top wall portion (172) covering the upper end of the peripheral wall portion (171). Screwed to the upper end of the vertical tubular member (21) of the plug body (2).
[0027]
The above-described embodiment is merely an example, and it is needless to say that the present invention can be implemented with appropriate modifications without departing from the gist of the present invention described in the claims.
[0028]
【The invention's effect】
According to the water faucet of the present invention, when the branch port or the water discharge port provided integrally with the cylindrical body rotatable with respect to the water faucet main body is directed forward, the same port opens, and either the left or right side Since the mouth is closed when it is pointed towards, for example, even if it is installed in a wall, the branch or spout does not get in the way because it does not protrude from the wall when not in use. It is convenient to open and close the branch port or the water outlet very easily.
[Brief description of the drawings]
FIG. 1 is a perspective view of a water faucet in a closed state of a branch port according to a first embodiment of the present invention.
FIG. 2 is a vertical sectional view taken along line II-II in FIG.
FIG. 3 is a cross-sectional view of the water faucet taken along the valve stem support member and the valve stem when the branch port is closed.
FIG. 4 is a partially cutaway perspective view of a faucet in a state where a branching plug is open.
5 is a vertical sectional view taken along line VV in FIG.
FIG. 6 is a cross-sectional view of the faucet in a state where the branch port is opened, cut along the valve stem support member and the valve stem.
FIG. 7 is an exploded perspective view of the faucet according to the first embodiment.
FIG. 8 is a partially cutaway perspective view showing a step of installing the faucet according to the first embodiment by embedding it in a wall.
FIG. 9 is a horizontal sectional view showing a state in which the faucet according to the first embodiment is embedded in a wall.
FIG. 10 is a perspective view of a water faucet in a closed state of a branch port according to a second embodiment of the present invention.
FIG. 11 is a partially cutaway front view of the faucet in the branch port closed state.
[Explanation of symbols]
(1) (100): Faucet
(2): faucet body
(2a): Primary side water supply pipe connection port
(2b): Secondary side water supply pipe connection port
(2c): Communication hole
(3): Tube
(4): Branch
(40): Water outlet
(5): Valve stem
(51): Vertical axis
(6): Valve body
(7): Valve seat
(8A): Upper valve stem support member
(8B): Lower valve stem support member
(81): Cam hole for opening / closing the branch port
(81a): Branch port open end
(81b): Branch end closed end
(82): Vertical through hole for water flow
(9): Open / close valve
(91): Handle
(10): Branch port stopper

Claims (4)

A primary side water supply pipe connection port is provided at one of the upper and lower ends, a secondary side water supply pipe connection port is provided at the other end portion, and a communication hole that is open from the front to the left or right side is provided in the peripheral wall. A cylindrical faucet body,
A cylindrical body with a branch port that is rotatably fitted to the faucet body so as to cover the communication hole and has a branch port that protrudes outward from the peripheral wall;
A valve stem that is disposed across the faucet body and the branch port through the communication hole, and is provided with two vertical shaft portions projecting on the upper and lower sides at the end on the faucet body side;
A valve body attached to the end of the valve stem on the branch port side;
A valve seat provided in the branch port;
Branch port opening / closing cam hole into which the end of the valve stem on the faucet body side is sandwiched from both the top and bottom sides and the vertical shafts of the valve stem are inserted and the vertical through hole for water flow A pair of upper and lower valve stem support members having holes,
The cam hole of each valve stem support member is open at the branch port provided at a position where each vertical shaft portion is fitted and the valve body is separated from the valve seat when the branch port is directed forward. And a branch port closed end provided at a position where each vertical shaft portion is fitted when the branch port is directed to the side and the valve body is brought into contact with the valve seat. A faucet. The faucet according to claim 1, further comprising an opening / closing valve having a handle disposed on the front side of the faucet body and opening / closing a flow path in the faucet body on the primary side with respect to the communication hole. Furthermore, it has the substantially C-shaped branch port stopper attached to the faucet body so that a part of the branch port may be fitted when the branch port is directed to the side. The faucet described in 1. The faucet according to any one of claims 1 to 3, wherein the other end of the faucet body is closed with a lid instead of being provided with a secondary side water supply pipe connection port at the other upper end. A faucet that has a divergent outlet as a spout.

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