JPH05139U - Bubble bath tub fittings - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a bathtub metal fitting for a bubble bath that ejects a large number of bubbles into a bathtub, and facilitates the work of attaching the metal fitting to the bathtub. [Structure] A plurality of engaged bodies (3) are attached to a bathtub inner end surface of a cylindrical screw (3) mounted in a mounting hole (10) portion of a bathtub wall (1).
5) and (35) are arranged, and the filter device (5) is provided with engaging bodies (37) and (37) that engage with the engaged bodies (35) and (35) in the circumferential direction. The filter device (5) is attached to the inner cylinder (22) of the metal fitting body when the (5) and the cylindrical screw (3) are engaged and coupled with the engaged body (35) and the engaging body (37). The tip of the nozzle holder (4) is pressed to the upstream side.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bathtub metal fitting for a bubble bath that supplies jetted water containing a large number of bubbles into a bathtub, and makes it easy to attach the metal fitting to the bathtub.

[0002]

[Prior art and problems]

 As a bathtub metal fitting for a bubble bath that supplies jetted water containing a large number of bubbles into a bathtub, for example, there is one disclosed in Japanese Patent Publication No. 3-14465. As shown in FIG. 5, an inner cylinder (22) concentric with the metal fitting body (2), which is in contact with the outer surface of the bathtub wall (1), is provided in the cylindrical metal fitting body (2). A connection tube (46) projecting upstream from the nozzle holder (4) is watertightly inserted into the inner tube (22), and the nozzle (44) is provided at the other end of the nozzle holder (4). ) Is flexibly held.

On the other hand, a cylindrical screw (3) is screwed into the inner periphery of the tip of the metal fitting body (2), and the flange (31) on the outer periphery of the distal end of the cylindrical screw (3) corresponds to this. The wall (1) of the bathtub is pressed by the flange (21) of the metal body (2). Further, the flange (31) of the cylindrical screw (3) and the mounting flange (41) which is extended to the outer periphery of the downstream end of the nozzle holder (4) are combined by screws (42) (42) in a superposed state. In addition, a female screw (45) is engraved on the inner circumference of the enlarged diameter portion (43) formed so as to surround the nozzle (44) loaded at the downstream end of the nozzle holder (4). ing. A cylindrical body (52) protruding from the central hole (51) of the filter device (5) is screwed into the female screw (45).

To attach the bathtub fitting to the bathtub wall (1), first, a tubular screw (3) is screwed into the tip of the fitting body (2) to attach the bathtub wall (1) to the mounting hole (10). The peripheral portion of the nozzle is clamped by these flanges (21) and (31), and the inner cylinder (22) of the central portion of the metal fitting body (2) in this fixed state is connected to the connection cylinder ( 46) is inserted. Next, the mounting flange (41) on the outer periphery of the tip of the nozzle holder (4) and the flange (31) of the cylindrical screw (3) are put into a superposed state and are joined by a screw (42). When the cylindrical body (52) protruding from the center of the filter device (5) is screwed into the enlarged diameter portion (43) at the tip of (4), the work of attaching the bathtub metal fitting for the bubble bath is completed. When hot water is supplied from the water discharge pipe (23) projecting to the rear end of the metal fitting body (2), air is sucked from the air supply pipe (33) by the ejector effect generated at this time, and the sucked air together with the hot water. It is ejected from the nozzle (44) into the bathtub. Further, the bath water in the bathtub is sucked from the suction hole (19) on the outer periphery of the tip of the nozzle holder (4) and flows into the return pipe (24) connected to the side wall of the bathtub fitting (2) to the bath device side (not shown). You will be returned.

However, the above-mentioned conventional bathtub metal fitting has a problem that the work of mounting the metal fitting on the bathtub wall (1) becomes complicated. That is, in the above-mentioned conventional one, when fixing the nozzle holder (4) in the mounted state, the mounting flange (41) of the nozzle holder (4) and the flange (31) of the corresponding cylinder screw (3) are fixed. Since it is necessary to perform an independent fixing operation of connecting both of them with screws (42) and (42) in a polymerization state, the bubble bath bathtub is required by the above-mentioned independent operation of fixing the nozzle holder (4). The work of arranging the metal fittings becomes complicated.

The present invention has been made in view of the above-mentioned points, and it is disclosed that "the tubular wall body (2) is screwed into the inner periphery of the tip and the wall body (1) and the metal body (2) form the bathtub wall (1). A cylinder screw (3) for pinching, an inner cylinder (22) which is provided in the metal fitting body (2) in parallel with its axis and through which supply water into the bath flows, and an upstream end of the inner cylinder (22). A nozzle holder (4) into which the connecting tube (46) of the above is inserted and which holds a nozzle (44) at the downstream end, and a filter device (5) which is mounted so as to surround the exposed portion of the tube screw (3) inside the bath. ) Is provided so that the inside of the inner cylinder (22) in the metal fitting body (2) is communicated with the atmosphere, and the outer peripheral space of the inner cylinder (22) is communicated with the return pipe to the bath device side. It is an object of the invention to improve workability in the work of attaching the metal fittings in the "bath bath metal fittings".

[0007]

[Technical means]

 The technical means of the present invention for solving the above-mentioned problem is "a plurality of engaged bodies (35) (35) (35) (35) provided with an opening (36) which is opened in the bathtub inner end surface of the cylindrical screw (3) in the circumferential direction. ) Are arranged, and the filter device (5) is provided with engaging bodies (37) and (37) that engage with the engaged bodies (35) and (35) from the opening (36) side thereof. The filter device (5) is attached to the inner cylinder (22) of the metal fitting body when the (5) and the cylindrical screw (3) are engaged and coupled with each other by the engaged body (35) and the engaging body (37). The tip of the nozzle holder (4) is pushed upstream. "

[0008]

[Action]

 The above technical means act as follows. As with the conventional one, the bathtub wall (1) is pinched by the metal fitting body (2) and the cylinder screw (3) screwed into the metal fitting body (2), and the nozzle holder (22) is attached to the inner cylinder (22) of the metal fitting body (2). 4) Insert the connecting tube (46) at the base end. Next, with the filter device (5) covered on the downstream end of the cylindrical screw (3), it is rotated around its central axis. Then, the engaged members (35) and (35) each having an opening portion (36) that opens in the circumferential direction are arranged on the inner surface of the bathtub of the cylindrical screw (3), and the engaging members (35) and (35) that engage with these members (35) are arranged. Since 37) and (37) are provided in the filter device (5), the filter device (5) and the cylindrical screw (3) are connected. Further, in the coupled state, the filter device (5) presses the tip end portion of the nozzle holder (4) to the upstream side, so that the nozzle holder (4) is fixed in the retaining state. That is, the nozzle holder (4) is fixed in a state where it does not come off simply by mounting the filter device (5).

[0009]

[Effect] The present invention has the following unique effects. Since the nozzle holder (4) is fixed in the retaining state only by mounting the filter device (5), an independent work for keeping the nozzle holder (4) in the retaining state is not required, and the nozzle holder (4) is prevented. ) Is fixed to the cylinder screw (3) with screws (42) and (42). The workability of the mounting work is improved as compared with the above-described conventional one, which requires independent fixing work.

[0010]

【Example】

 Next, an embodiment of the present invention described above will be described with reference to the drawings. As shown in FIG. 1, a bathtub metal fitting for a bubble bath according to an embodiment of the present invention has a bowl-shaped filter device (5) having a through hole (54) formed in a front wall and a base end of a nozzle (44). A nozzle holder (4) for flexibly holding the portion, a cylindrical screw (3) for holding the nozzle holder (4), and a metal fitting body (2) into which the cylindrical screw (3) is screwed. There is.

As shown in FIG. 2, the metal fitting body (2) is composed of a double cylinder integrated at the upstream end thereof, and a water discharge pipe is provided at the upstream end of the inner cylinder (22) inside thereof. (23) is fixed with screws (27) and (27) together with the mounting bracket (26).

Further, an orifice metal fitting (28) is loaded in the inner cylinder (22) on the downstream side of the mounting metal fitting (26), and the orifice metal fitting (28) is shown in FIG. Such three small holes (29) (29) are bored, and an annular groove (11) is formed on the outer circumference of the orifice fitting (28). An air supply passage (12) connected to the annular groove (11) on the outer periphery of the orifice fitting (28) is formed in the side wall near the upstream end of the fitting main body (2). An air supply pipe (33) is connected to the passage (12).

A return pipe (24) communicating with the outer peripheral space of the inner cylinder (22) therein is connected to the side wall of the metal fitting body (2), and the return pipe (24) is a pump. (P) and the heat exchanger for reheating (61), and is connected to the above-mentioned water discharge pipe (23). A female screw (20) is engraved on the inner periphery of the tip of the metal fitting body (2), and a male screw (30) engraved on the outer periphery of one end of the cylindrical screw (3) is engraved on the female screw (20). Is to be screwed in. Further, on the outer circumference of the flange (31) which is extended at the end of the cylindrical screw (3) opposite to the male screw (30), there are engaged bodies (35) (35) which are opened in the circumferential direction. Is provided, and the engaged bodies (35) (35) are provided with engaging bodies (37) (37) projecting from the inner surface of the outer peripheral wall of the cover (53) which constitutes the filter device (5). It is designed to engage.

That is, as shown in FIG. 4, an engaging body (37) is projected on the inner circumference of the outer peripheral wall of the cover (53) which constitutes the filter device (5) together with the dust removing net (56) described later. In addition, an engaged body (35) is provided on the outer periphery of the flange (31) of the tubular screw (3), which is raised toward the filter device (5) and has an opening (36) in the circumferential direction. Thus, the engaging body (37) is adapted to engage with the rear surface side of the engaged body (35) via the opening portion (36). Further, on the surface of the flange (31) of the cylindrical screw (3), standing walls (38) (38) arranged at intervals in the circumferential direction are provided in a protruding manner, and the standing walls (38). ) (38) is designed to receive the outer peripheral flange (40) of the nozzle holder (4) by the tip surface.

Next, the nozzle holder (4) is composed of a connecting tube (46) having a packing (47) at its base end and an outer peripheral flange (40) provided at the tip of the connecting tube (46). In addition, a concave portion (49) for press-fittingly holding the nozzle (44) is formed at the center of the tip of the nozzle holder (4).

The tip of the nozzle (44) is located in the through hole (54) formed in the front wall of the bowl-shaped cover (53). In addition, inflow windows (55) (55) are cut in the outer peripheral wall of the cover (53), and a dust removal net (56) is provided on the inflow window (55).

Next, the work for disposing the bathtub metal fitting for the bubble bath will be described. As shown in FIG. 1, the metal fitting body (2) is positioned outside the bathtub wall (1), and the male screw (30) portion of the cylindrical screw (3) is passed through the fitting hole (10) in the metal fitting body (2). Screw into. At this time, a packing (62) for ensuring water tightness between the cylinder screw (3) and the bathtub wall (1) and a slip ring (63) for ensuring smooth rotation of the cylinder screw (3) are interposed. To wear. Then, the bathtub wall (1) is pinched between the flange (31) of the tube screw (3) and the annular packing (13) at the outer periphery of the tip of the metal fitting body (2), which causes the metal fitting to be clamped. The main body (2) and the cylinder screw (3) are attached to the bathtub wall (1).

Next, when the connecting tube (46) of the nozzle holder (4) is inserted from the inside of the bath into the inner tube (22) at the center of the fitting main body (2) in the attached state, the nozzle holder (4) is inserted. The outer peripheral flange (40) protruding to the downstream end side of (4) abuts the standing walls (38) and (38) that stand upright on the surface of the flange (31) of the cylindrical screw (3). Further, the inner cylinder (22) and the connecting cylinder (46) inserted therein are watertight by the packing (47) interposed therebetween.

Next, the cover (53) of the filter device (5) is externally fitted to the flange (31) of the cylindrical screw (3), and the engaging body (37) is provided so as to project on the inner circumference of the cover (53). ) Is positioned at the open portion (36) of the engaged body (35) of the cylindrical screw (3), and the cover (53) is rotated as a whole in this state. Then, the engaging body (37) arranged on the cover (53) of the filter device (5) engages with the lower side of the engaged body (35) on the side of the cylindrical screw (3), and at the same time, The front wall of the cover (53) presses against the flange (38) of the nozzle holder (4), which prevents the nozzle holder (4) from escaping inside the bath.

As described above, according to the above, since the nozzle holder (4) can be fixed in the retaining state only by mounting the filter device (5), the nozzle holder (4) can be fixed independently. The work done is unnecessary.

Next, a case where the inside of the bathtub is brought into a bubble bath state using the bathtub metal fitting for a bubble bath will be described. When the air supply valve (73) of the air supply pipe (33) is opened and the pump (P) of the reheating circuit (71) is driven to put water in the water discharge pipe (23), the water is supplied to the orifice. Air is sucked from the air supply pipe (33) by the ejector effect generated when ejected from the small holes (29) (29) of the metal fitting (28) and ejected from the orifice metal fitting (28). Bubbles are mixed into the water flow, and the water containing the bubbles flows from the inner cylinder (22) at the center of the metal fitting body (2) through the nozzle holder (4) to the nozzle (44) at the tip. Supply it into the bathtub.

Further, the bathing water in the bathtub is filtered as it passes through the dust removal net (56) from the inflow window (55) cut in the outer peripheral wall of the filter device (5), and the bathing water is also shown in the same figure. As shown by the arrow, the nozzle holder (4) is connected through the water passage gap (15) (15) between the standing walls (38) (38) formed on the surface of the flange (31) of the tube screw (3). It flows into the outer circumference of the cylinder (46). Then, the bathing water flowing into the return pipe (24) from the outer circumferential gap of the connecting cylinder (46) of the nozzle holder (4) returns to the reheating circuit (71) of the bath device (A) connected thereto. To do.

As a result, the bathing water in the bathtub circulates between the bathtub fitting of the embodiment of the present invention and the pump (P) of the reheating circuit (71), and the circulating water When ejected into the bathtub, it is supplied into the bathtub together with a large number of bubbles by the above-mentioned action.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a sectional view showing a state of attachment to a bathtub wall (1).

FIG. 3 is a rear view of the embodiment of the present invention.

FIG. 4 is a partially enlarged view showing a coupling mechanism of a filter device (5) and a cylinder screw (3).

FIG. 5 is an explanatory diagram of a conventional example.

[Explanation of sign]

 (1) ・ ・ ・ Bath wall (2) ・ ・ ・ Metal fitting body (3) ・ ・ ・ Cylinder screw (4) ・ ・ ・ Nozzle holder (5) ・ ・ ・ Filter device (22) ・ ・ ・ Inner cylinder (35) ) ... engaged body (36) ... opening part (37) ... engaging body (44) ... nozzle (46) ... connecting cylinder

Claims (1)

[Claims for utility model registration] 1. A cylindrical screw (3) which is screwed into the inner circumference of the tip of a tubular metal fitting body (2) and presses the bathtub wall (1) with the metal fitting body (2). ) And an inner cylinder (2) provided in the metal fitting body (2) in parallel with the axis thereof and through which water supplied to the bath flows.
2), a nozzle holder (4) in which the upstream end connecting tube (46) is inserted into the inner tube (22) and holds the nozzle (44) at the downstream end, and the tube screw (3) inside the bath. A filter device (5) mounted so as to surround the exposed portion is provided, and the inside of the inner cylinder (22) in the metal fitting body (2) is communicated with the atmosphere, and the outer peripheral space of the inner cylinder (22) is bathed. In a bathtub metal fitting for a bubble bath, which is made to communicate with a return pipe to the device side, a plurality of engaged bodies (3) each having an opening portion (36) opened in a circumferential direction on a bathtub inner end surface of a tubular screw (3).
5) (35) are arranged, and the filter device (5) has an open part (36) in the engaged body (35) (35).
The engaging bodies (37) (37) that engage from the side are provided, and further,
In the state where the filter device (5) and the cylindrical screw (3) are engaged and coupled by the engaged body (35) and the engaging body (37), the filter device (5) is the inner cylinder (22) of the metal fitting body. A bathtub fitting for a bubble bath in which the tip of the nozzle holder (4) attached to the above is pressed to the upstream side.