JP2001311188A - Structure for connecting shower head and shower hose - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting structure for a shower head and a shower hose in a faucet to be connected and fit nicely without controlling a screw torque, and to disassemble the shower head and the shower hose with ease. SOLUTION: In connecting shower head 24 with a shower hose 22, a male tube part 58 is provided at the shower hose 22 and a female tube part 60 at the shower head 24, and an elastically variable stopper ring 70 and a fitting groove 78 in an outer peripheral tube face of the male tube part 58 and an inner peripheral tube face of the female tube part 60. Following an elastic transformation of the stopper ring 70, the male tube part 58 is inserted into the female tube part 60, and the stopper ring 70 is fit to the fitting groove 78 to connect the shower head 24 and the shower hose 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure between a water discharge head and a water pipe suitable for connection between a shower head and a shower hose.

[0002]

2. Description of the Related Art Conventionally, a shower head which has a water outlet and discharges water from the water outlet can be drawn out together with a shower hose connected thereto as a faucet for washing a shampoo, a faucet for a kitchen, etc. Used.

FIG. 15 shows a conventional example of this type of faucet. In the figure, reference numeral 200 denotes a counter as a mounting base, and the faucet main body 202 and the water discharging section 204 are mounted and fixed to the counter 200 at a position separated from each other. Water and hot water supply pipes 206 are connected to the faucet main body 202, and water and hot water are supplied to the faucet main body 202 through the supply pipes 206.

[0004] The faucet body 202 mixes the supplied water and hot water at a predetermined ratio based on the operation of the handle 208, and flows out the mixed water to the outside through the outflow pipe 210. A flexible shower hose 212 is connected to the outflow pipe 210, and mixed water is sent to a shower head (water discharge head) 214 described later through the shower hose 212.

[0005] The water discharging section 204 is provided with a shower head 214.
And a tubular and curved head holder 2 for holding the same.
16. A slide tube 218 is connected to the head holder 216 so as to move up and down integrally. The slide tube 218 is slidably inserted into a guide tube 220 having an external thread on an outer peripheral surface.

The shower head 214 has a water outlet 22 on the lower surface.
2, and a switching operation unit 224 for switching the water discharge from the water discharge port 222 from rectified water discharge to shower water discharge or vice versa. The shower head 214 is connected to the distal end of a shower hose 212 inserted through the slide tube 218 and the head holder 216.
2 together with the head holder 216.

[0007]

In this type of faucet,
The shower head 214 and the shower hose 212 are screw-connected, and the screw connection portion is fixed by adhesive with an adhesive. In this case, the assemblability of the shower head 214 and the shower hose 212 is poor, and the In this case, it is necessary to appropriately perform torque control, and in addition, there is a problem that the disassembly is poor when the shower head 214 and the shower hose 212 are disassembled.

The connection between the shower head and the shower hose has been described above as an example. However, this problem is caused when the shower head is connected to an ordinary pipe-shaped water pipe, or when a water discharge head other than the shower head is connected to a shower hose or a rigid hose. It can occur in common when connecting to a water pipe such as a water pipe.

[0009]

The connection structure between the water discharge head and the water pipe according to the present invention has been devised to solve such a problem. According to a first aspect of the present invention, there is provided a connection structure between a water discharge head having a water discharge port for discharging water from the water discharge port and a water flow pipe for supplying water to the water discharge head, wherein the water discharge head and the water discharge pipe are connected. A male pipe portion is provided on one of the female pipe portions, and a female pipe portion is provided on the other, so that they are fitted to each other, and either one of the outer peripheral surface of the male pipe portion and the inner peripheral surface of the female pipe portion is provided. A stopper ring capable of being elastically deformed in the radial direction is provided on the other side, and an engagement recessed portion which is engaged with the stopper ring in the axial direction is provided on the other side. Along with inserting the stopper ring into the engagement recess when the stopper ring and the engagement recess reach an axially opposed position,
The water discharge head is connected to the water pipe.

According to a second aspect of the present invention, in the first aspect, the water discharge head is a shower head, and the water pipe is a flexible shower hose that can be pulled out together with the shower head.

According to a third aspect of the present invention, in the first aspect, the female pipe portion is provided on a side of the water discharge head, and the female pipe portion is provided with the engaging recess. A male pipe portion is provided on the water pipe side, the male pipe portion is provided with the stopper ring, and the stopper ring is divided by a notch provided over a predetermined circumferential length at a predetermined location in a circumferential direction. And the water discharge head is provided with a working opening on the distal end side of the engagement recess that allows the engagement recess and the stopper ring to be exposed. It is characterized by the following.

According to a fourth aspect of the present invention, in the third aspect, one of the stopper ring and the male pipe portion is provided with a projection for determining a rotational position, and the other is provided with a corresponding recess. Characterized in that they are engaged in the same direction.

[0013]

According to the first aspect of the present invention, the water discharge head and the water pipe are fitted to each other at the male pipe section and the female pipe section, and a stopper is provided at one of them. The ring is provided so as to be elastically deformable in the radial direction, while the other is provided with an engagement concave portion, the male tube portion is inserted into the female tube portion with the elastic deformation of the stopper ring, and they are mutually attached at a predetermined position in the axial direction. According to this connection structure, the male pipe and the female pipe can be easily connected with one touch by simply inserting the male pipe into the female pipe, that is, water discharge. Connection work between head and water pipe,
It can be easily performed without managing the screwing torque as in the related art. The present invention is particularly suitable for connection between a shower head as a water discharge head and a shower hose as a water pipe (claim 2).

According to a third aspect of the present invention, the female pipe portion and the engaging concave portion are provided on the water discharge head side, the male pipe portion and the stopper ring are provided on the water pipe side, and the stopper ring is formed by notching at a predetermined position in the circumferential direction. It is divided and provided in the male pipe part so as to be integrally rotated, and the water discharge head is provided with a working opening capable of exposing the engaging concave portion and the stopper ring. This can be easily done when disassembling the water pipe.

More specifically, the diameter of the stopper ring is reduced through a working opening secured in the water discharge head, thereby releasing the engagement between the stopper ring and the engagement concave portion, so that the water discharge head and the water pipe are connected. And can be moved in the axial direction,
They can be disassembled. At this time, since the stopper ring is provided so as to be integrally rotated with the water pipe, the notch of the stopper ring is rotated by the water pipe so that the notch of the stopper ring correctly faces the working opening secured in the water discharge head. Adjustment can be easily performed, and the stopper ring can be easily reduced in diameter by sandwiching the circumferential ends of the stopper ring facing each other with the notch in the contraction direction with a tool such as radio pliers. Can be.

In this case, one of the stopper ring and the male pipe portion is provided with a projection for determining the rotational position, and the other is provided with a corresponding recess, and these are engaged in the rotational direction to thereby form the stopper. The ring and the water pipe can be integrally rotated (claim 4).

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows an example of a faucet.
Is a counter as a mounting base, and the faucet main body 12 and the water discharge section 14 are mounted and fixed to the counter 10 at positions separated from each other. Water and hot water supply pipes 16 are connected to the faucet main body 12, and water and hot water are supplied to the faucet main body 12 through the supply pipes 16.

The faucet body 12 mixes the supplied water and hot water at a predetermined ratio based on a rotation operation of the handle 18, and flows out the mixed water to the outside through the outflow pipe 20. A flexible shower hose 22 is connected to the outflow pipe 20, and the mixed water is guided to a shower head (water discharge head) 24 described later through the shower hose 22.

The water discharge section 14 is provided with the shower head 24,
It has a tubular and curved head holder 26 for holding it. A slide tube 28 is connected to the head holder 26 so as to ascend and descend integrally, and the slide tube 28 is slidably inserted into a guide tube 30 having an external thread on the outer peripheral surface.

The shower head 24 has a water outlet 32 on the lower surface, and a switching operation part 34 for switching the water discharged from the water outlet 32 from rectified water discharge to shower water discharge or vice versa on the front surface thereof. The distal end of the shower hose 22 is connected to the shower head 24,
The shower head 24 can be pulled out from the head holder 26 together with the shower hose 22.

FIGS. 2 and 3 specifically show the internal structure of the shower head 24 and its peripheral portion. As shown in the drawing, a hose guide 36 having a cylindrical shape is attached to the distal end portion of the head holder 26 by locking an elastic locking claw 38 and a locking hole 40.

The hose guide 36 guides the slide by inserting the shower hose 22 therein, and has a male fitting portion 42 protruding forward. On the other hand, the shower head 24 is provided with a corresponding female fitting portion 44, and based on the fitting between the female fitting portion 44 and the male fitting portion 42,
The shower head 24 is detachably held by the head holder 26. At the rear end of the hose guide 36, a small-diameter cylindrical draining spacer 45 is mounted.
The drain spacer 45 is a member that drains water that travels along the outer surface of the shower hose 22.

A lower portion of the water discharge head 24 is formed as a cap 46. A rectifying water discharge port 32A is formed at the center of the lower surface of the cap 46, and a plurality of shower water discharge ports 32B are formed at positions surrounding the same. Here, the cap 46 is detachably attached to the upper head body 48 by screw connection.

Inside the shower head 24, a plate 49 and a valve body 50 that slides on the upper surface of the plate 49 are provided. The plate 49 has a rectifying spout 32.
An opening 54A communicating with the rectified water passage 52A reaching A and another opening (not shown) communicating with the shower water passage 52B reaching the shower outlet 32B are provided. It is selectively opened or closed by sliding.

FIG. 2 shows a state in which the valve body 50 closes the opening 54A. In this state, the mixed water guided from the shower hose 22 to the shower head 24 passes through the shower water passage 52B through another opening (not shown). Then, shower water is discharged from the shower water outlet 32B.

When the other opening is closed by the valve body 50, the opening 54A is opened. In this state, the mixed water guided to the shower head 24 is removed by the opening 5A.
The water flows from 4A into the rectified water passage 52A, and is subsequently rectified and discharged from the rectified water discharge port 32A.

The valve body 50 is provided with a shaft portion 56 which is integrally rotated. The shaft portion 56 is connected to the above-mentioned seesaw switch type switching operation portion 34 so as to be integrally rotated.
That is, when the switching operation unit 34 of the seesaw switch type is switched, the valve body 50 slides on the plate 49 via the shaft portion 56, and switches the water discharge state from rectified water discharge to shower water or vice versa.

As clearly shown in FIG. 6, a male pipe portion 58 is provided at the tip of the shower hose 22. On the other hand, the shower head 24 is provided with a female pipe part 60 as shown in FIG. 5, and a male pipe part 58 is provided on the female pipe part 60 as an O-ring as an elastic seal ring. It is adapted to be fitted watertight through 62.

A flange 64 is provided at the end of the male pipe portion 58, and an annular receiving groove 66 is formed at a rear portion of the flange 64, and the diameter of the groove is increased and reduced in the radial direction. A stopper ring 70 having a diametric elasticity is mounted.

Here, a predetermined gap is secured between the inner surface of the stopper ring 70 and the bottom surface of the accommodation groove 66 as shown in FIGS. 7 (I) (A), (II) (A). The stopper ring 70 (when the stopper ring 70 is in the expanded state in the original shape) is attached to the accommodation groove 66 based on the gap.
0 indicates that the diameter can be elastically reduced in the centripetal direction.

As shown in FIG. 6, the stopper ring 70 has a notch 72 between a pair of circumferential ends 71 and 71.
Are formed over a predetermined circumferential length, and the notch 72 divides the stopper ring 70 in the circumferential direction.

The stopper ring 70 has a cylindrical portion 74 and a flange portion 76 rising radially outward from the outer peripheral surface thereof. As shown in FIG. And engages in the substantially annular engaging groove (engaging concave portion) 78 formed in the female pipe portion 60 in the axial direction and engages with the engaging groove 78 in the axial direction. The head 24 is connected in the axial direction.

As shown in FIG. 6, the cylindrical portion 74 of the stopper ring 70 is provided with a projection 80 for determining the position in the rotation direction. The stopper ring 70 fits into the recess 82 so that the stopper ring 70 rotates together with the shower hose 22.

In the case of the faucet of this embodiment, the shower head 24 and the shower hose 22 can be connected as follows. That is, under the condition that the stopper ring 70 is attached to the shower hose 22 as shown in FIG. 7 (I), the shower hose 22 as shown in FIG.
The male pipe 58 at the tip of the female pipe 6 of the shower head 24
0 is inserted inside.

At this time, as shown in FIG. 8 (III), the stopper ring 70 attached to the male pipe portion 58 is elastically reduced in diameter, and as shown in FIG. 8 (IV), When the ring 70 reaches a position where the flange portion 76 is axially opposed to the engagement groove 78 of the shower head 24, the stopper ring 70 is expanded and deformed to its original shape, and the engagement groove 78 is formed. Get in. Here, the flange portion 76 of the stopper ring 70 and the engagement groove 78 are engaged in the axial direction, and the shower hose 22 and the shower head 24 are coupled in the axial direction.

FIGS. 9 to 11 show the operation when the shower hose 22 and the shower head 24 are disassembled. As shown in the figure, in this example, the shower hose 22 and the shower head 24 can be disassembled as follows. That is, first, the cap 46 and the plate 49 of the shower head 24 are removed.
4 and 9 in this state.
Openings 84 and 86 are formed as shown in FIG.

Then, by rotating the shower hose 22, the stopper ring 70 attached to the distal end thereof is integrally rotated, and both ends 71 in the circumferential direction of the stopper ring 70 are opened as shown in FIG. 86.

In this state, the circumferential ends 71 of the stopper ring 70 are clamped by a tool such as nose pliers as shown in FIG. 10 (III), and the diameter of the stopper ring 70 is reduced. As a result, the engagement between the stopper ring 70 and the engagement groove 78 is released, so that the shower hose 22 is pulled out rightward in the figure as shown in FIG. 10 (IV). Here, the shower head 24 and the shower hose 22 are separated from each other as shown in FIG.

According to the connection structure of the present embodiment as described above, the male pipe portion 58 of the shower hose 22 is simply connected to the shower head 2.
4, the connection between the male pipe 58 and the female pipe 60, that is, the connection assembling work between the shower hose 22 and the shower head 24, can be performed by one-touch operation. Can be easily performed without the need for management.

On the other hand, when the shower hose 22 and the shower head 24 are disassembled, the openings 84 and 86 of the shower head 24 are used as working openings, and the diameter is reduced by sandwiching the stopper ring 70 to reduce the diameter. The engagement between the stopper ring 70 and the engagement groove 78 can be released.
The shower head 24 and the shower hose 22 can be separated in the axial direction and disconnected.

At this time, since the stopper ring 70 is provided so as to rotate integrally with the shower hose 22, by rotating the shower hose 22, both ends 71 in the circumferential direction of the stopper ring 70 are easily positioned to face the opening 86. The diameter of the stopper ring 70 can be easily reduced.

FIGS. 12, 13 and 14 show another embodiment of the present invention. As shown in FIG. 12, the faucet of this example is a single lever type mixing faucet, and a handle 90 is provided at the upper part of a faucet body 88 so as to be rotatable left and right and up and down. Also, from the lower surface of the faucet main body 88, a water discharge pipe 9
2 extends forward. The water discharge pipe 92 is composed of a shower head 24 at the tip and a rigid (non-flexible) water flow pipe 94 made of a metal pipe for flowing water therethrough.

As shown in FIG. 14, the distal end of the water pipe 94 is axially connected to the shower head 24 via a cylindrical member 96. The water pipe 94 is provided with a male pipe section 58 at the tip thereof in the same manner as in the above-described embodiment, and an O-ring 62 is attached thereto. The male pipe section 58 is attached to the corresponding female pipe section 60 of the shower head 24. Are fitted watertight through an O-ring 62.

A stopper ring 70 having the same structure as that of the above-described embodiment is mounted on the male pipe portion 58. The stopper ring 70 is fitted to an engagement groove 78 of the female pipe portion 60 of the shower head 24. By engaging in the direction, the connection between the water pipe 94 and the shower head 24 is established.
Since the connection structure is the same as that of the above-described embodiment, the same reference numerals are given to the same portions, and the detailed description is omitted.

Also in this embodiment, the water pipe 94 and the shower head 24 can be easily connected, and can be easily disassembled when disassembled.

Although the embodiments of the present invention have been described in detail, this is only an example. For example, in the above embodiment, the case where the shower head and the shower hose or the pipe-shaped water pipe are connected has been described as an example. However, the present invention provides a water discharge head that performs only rectified water discharge and a hose or pipe-shaped water pipe connected thereto. The present invention can be configured in a form in which various changes are made without departing from the gist of the present invention, for example, the present invention can be applied at the time of connection.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of a faucet including a connection structure according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part showing a shower head of the same embodiment and a peripheral portion thereof.

FIG. 3 is a sectional view of a main part showing a state where the shower head of FIG. 2 is pulled out together with a shower hose.

4 is a side sectional view of the shower head shown in FIG. 3 and a bottom view in a state where a cap and a plate are removed.

5 is a sectional view showing the shower head and the shower hose shown in FIG. 4 in an exploded state.

FIG. 6 is a perspective view showing the shower head and the shower hose shown in FIG. 4 in an exploded state.

FIG. 7 is an explanatory diagram of a procedure and an operation when connecting a shower head and a shower hose of the same embodiment.

FIG. 8 is an explanatory diagram of a procedure and an action following FIG. 7;

FIG. 9 is an explanatory view of a procedure and an operation when the shower head and the shower hose of the same embodiment are disassembled.

FIG. 10 is an explanatory diagram of a procedure and an action following FIG. 9;

FIG. 11 is an explanatory diagram of a procedure and an action following FIG. 10;

FIG. 12 is a view showing an example of a faucet including a connection structure according to another embodiment of the present invention.

FIG. 13 is a cross-sectional view showing the shower head of the same embodiment together with its peripheral portion.

14 is a sectional view showing the shower head and the water pipe of FIG. 13 in an exploded state.

FIG. 15 is an explanatory diagram for explaining the background of the present invention.

[Explanation of symbols]

 Reference Signs List 22 shower hose 24 shower head (water discharge head) 32, 32A, 32B water discharge port 58 male pipe part 60 female pipe part 70 stopper ring 72 notch 78 engagement groove (engagement concave part) 80 projection 82 concave 84, 86 opening (work) Opening for 94) water pipe

Claims (4)

[Claims] 1. A connection structure of a water discharge head having a water discharge port for discharging water from the water discharge port, and a water flow pipe for flowing water to the water discharge head, wherein one of the water discharge head and the water flow pipe is provided. A male pipe part is provided on the other side, and a female pipe part is provided on the other side so that they are fitted to each other, and one of the outer peripheral surface of the male pipe part and the inner peripheral surface of the female pipe part is elastically elastic in the radial direction. A deformable stopper ring is provided on the other side with an engagement recess for engaging the stopper ring in the axial direction, and the male tube is inserted into the female tube with elastic deformation of the stopper ring. The stopper ring is engaged with the engagement recess when the stopper ring and the engagement recess reach the position facing each other in the axial direction, so that the water discharge head and the water passage pipe are connected. Connection structure between the water discharge head and the water pipe. 2. The water discharge head according to claim 1, wherein the water discharge head is a shower head, and the water pipe is a flexible shower hose that can be pulled out together with the shower head. Connection structure. 3. The female pipe part according to claim 1, wherein the female pipe part is provided on a side of the water discharge head and the female pipe part is provided with the engaging concave portion. The stopper ring is provided on the side of the water pipe, the stopper ring is provided on the male pipe portion, and the stopper ring is divided by a notch provided over a predetermined circumferential length at a predetermined location in the circumferential direction, and the male pipe is The water discharging head is provided with a work opening on the distal end side of the engagement concave portion so as to expose the engagement concave portion and the stopper ring. Connection structure between water discharge head and water pipe. 4. A stopper according to claim 3, wherein one of said stopper ring and said male pipe is provided with a projection for determining a rotational position, and the other is provided with a corresponding recess, and these are engaged in a rotational direction. A connection structure between the water discharge head and the water pipe.