JPH08275898A - Shower head - Google Patents

Abstract

PURPOSE: To turn a shower head within a range of prescribed angle satisfactorily without impairing it. CONSTITUTION: A loose preventing groove 9 is formed on the outer periphery of the insertion shaft of the shower head, and a sectoral recessed part 21 is formed on the inner periphery of a slip-in ring 18 fitted in the outer periphery of the loose preventing groove 9, and the range of turning angle of the insertion shaft is regulated by a turning regulation projection 10 abutted with either of abutting faces 21a, 21a on both terminal sides of the sectoral recessed part 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shower head.

[0002]

2. Description of the Related Art Conventionally, when a shower head is rotatably attached to the tip of a water discharge pipe, a screw or the like is screwed into a predetermined position on the outer periphery of the water discharge pipe, and the rotation range of the shower head is adjusted by the screw or the like. Although it is configured to be regulated, there is a problem that the shower head is easily scratched by a screw or the like, and the resin shower head is particularly damaged.

[0003]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above-mentioned problems of the prior art, and an object thereof is not to provide a shower head capable of satisfactorily restricting the turning range without damaging it. The first gist of the present invention is a shower head including an insertion shaft that is inserted into and attached to a tip of a water discharge pipe that integrally projects from a faucet body, and the shower head has an outer periphery of the insertion shaft. A retaining groove is formed in the insertion groove hole formed on the outer periphery to which a fitting ring inserted and fixed from the outside is fitted, and a rotation restricting protrusion protruding outward is formed in a part of the retaining groove. At the same time, the inner periphery of the fitting ring is formed with fan-shaped recesses having contact surfaces with which the rotation restricting projections abut, at both ends, and allowing rotation of the insertion shaft within a predetermined angle range. Is. A second gist is that a detent protrusion protruding further outward is formed on an outer peripheral surface of the rotation restricting protrusion, and the detent protrusion is detachably attached to an inner peripheral surface of the fan-shaped recess. That is, a plurality of moderation recesses to be engaged are formed at predetermined intervals.

[0004]

In the first aspect, with the insertion shaft of the shower head inserted in the tip of the water discharge pipe, the fitting ring is fitted from the outside into the insertion groove hole formed in the water discharge pipe, and the fitting ring is inserted. It is possible to prevent the shower head from coming off by fitting it in the retaining groove of the shaft, and by disposing the rotation restricting projection in the fan-shaped recess formed on the inner circumference of the fitting ring, within the range of the fan-shaped recess. Only then can the shower head be rotated satisfactorily. Further, since the moderation projection engages with any moderation recess, a good moderation feeling can be obtained when the shower head is rotated.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a hose storage type water faucet, in which a faucet body 1 is formed with a projecting pipe portion 2 projecting in an inclined shape, and a pull-out hose 5 is housed in the projecting pipe portion 2. The hose fitting 4 is attached to the end of the draw-out hose 5.
The shower head 6 is attached to the end of the hose joint 4, and the lever handle 3 for operation is provided on the upper end of the faucet body 1.

The structure for mounting the shower head 6 to the hose joint 4 is shown in an enlarged cross section in FIG. 2, and FIG. 3 is an exploded view in which the shower head 6 and the hose joint 4 are broken. The shower head 6 has an insertion shaft 7 protruding outwardly.
Is integrally formed, and the shower head 6 and the insertion shaft 7 are formed.
Is made of resin, and the outer periphery of the insertion shaft 7 is
An O-ring groove 8 into which an O-ring can be fitted is formed on the root side, and a retaining groove 9 is formed in a concave shape on the outer periphery of the O-ring groove 8 in the retaining groove 9. Reinforcing ribs R are formed so as to project upward in the drawing, and rotation restricting projections 10 are formed so as to project downward,
The outer periphery of the retaining groove 9 serves as an O-ring step portion 11 into which an O-ring can be fitted.
The tip of the insertion shaft 7 on the outer side of 1 has three equal intervals in the outer peripheral direction.
A key groove 12 having an open tip is formed at a point.

On the other hand, an insertion groove hole 14 is formed in a penetrating shape at the lower outer periphery of the hose joint 4. The insertion groove hole 1
The inner peripheral surface on the back side of 4 is a sliding contact portion 15.
An O-ring abutment surface 16 is formed in a step shape on the back side of the, and keys 17 are formed at three positions so as to project to the back side. A fitting ring 18 can be inserted into and fixed to the insertion groove hole 14 from the outside. The fitting ring 18 is made of resin and has a base portion 19.
Gripping pieces 20, 20 are integrally formed on both end sides of the base 19 and extend upward, and the upper surface of the base portion 19 is a fan-shaped recess 21.
2 has been formed.

From the tip of the hose joint 4 to the shower head 6
When the insertion shaft 7 is inserted and the O-ring 23 fitted on the outer peripheral surface of the O-ring step portion 11 is brought into contact with the sliding contact portion 15 and the O-ring contact surface 16, the key at the tip end When the groove 12 is engaged with the key 17 of the hose joint 4, the shower head 6 is attached to the hose joint 4 in a state in which the rotation of the shower head 6 is stopped by the engagement of the key groove 12 and the key 17. When the ring 18 is inserted into the insertion groove hole 14, the gripping piece 2 of the fitting ring 18 is inserted.
Nos. 0 and 20 are fitted to the outer periphery of the retaining groove 9, and in this state, the shower head 6 is no longer pulled out from the hose joint 4 by the fitting ring 18 and is in a good retaining state, and the installation is completed. To do.

In this way, the insertion shaft 7 of the shower head 6 is inserted into the tip of the hose joint 4 of the hose storage type water faucet, and the fitting ring 18 is inserted into the insertion groove hole 14 in that state.
The shower head 6 can be fixed in a state in which the shower head 6 can be easily inserted and prevented from coming off. In addition, since the hose joint 4 is configured to be rotatable with respect to the protruding pipe portion 2, the hose joint 4 can be appropriately rotated to change the orientation of the shower head 6, and if necessary, the shower head 6 can be changed. 6 and the hose joint 4 can be used by pulling them out to the front side.

Next, FIG. 4 shows a sectional view of a fixed type water faucet. That is, in the faucet of FIG. 4, the water discharge pipe 31 is integrally formed so as to project from the faucet body 30.
Similar to 0, the water discharge pipe 31 is made of metal, and a lever handle 32 for operation is provided on the upper end of the faucet body 30. The above-mentioned shower head 6 can be attached to the tip of the water discharge pipe 31 of this fixed-type water faucet. It can be attached to the water discharge pipe 31.

That is, FIG. 5 shows the water discharge pipe 3 of the shower head 6.
FIG. 1 is an enlarged cross-sectional configuration diagram in a state of being attached to No. 1 and FIG. 6 is an exploded perspective configuration diagram. When the shower head 6 is attached to the tip of the water discharge pipe 31, a separate resin guide member 40 is used. The guide member 40 has a ring shape inside the collar portion 41 as shown in the cross section in FIG. In addition, an insertion portion 42 that can be fitted to the inner peripheral surface of the tip of the water discharge pipe 31 is integrally formed, and further, two detent protrusions 4 are provided on the upper portion of the collar portion 41.
3 and 43 are integrally formed to project,
First, the resin guide member 40 is attached to the metal water discharge pipe 31.
The engaging holes 36, 36 into which the rotation preventing projections 43, 43 can be fitted are previously formed in the distal end surface 34 of the water discharge pipe 31 in a recessed shape. The rotation preventing projections 43, 43 are fitted into the inner peripheral surface of the pipe, and the insertion portion 42 is inserted into the inner peripheral surface, and the flange portion 41 is brought into contact with the tip surface 34 to fix the guide member 40 to the tip surface of the water discharge pipe 31. And in this state, the guide member 40
Insert the insertion shaft 7 of the shower head 6 into the inner peripheral surface of the
The insertion shaft 7 can be inserted into the water discharge pipe 31, and if the O-ring 24 is externally fitted to the O-ring groove 8 at this time,
The outer circumference of the O-ring 24 comes into sliding contact with the inner peripheral surface of the guide member 40, and the insertion shaft 7 can be smoothly rotated inside the guide member 40 via the O-ring 24.
That is, unless the resin guide member 40 is used, the resin-made insertion shaft 7 and the shower head 6 come into direct contact with the metal water discharge pipe 31, and the insertion shaft 7 and the shower head 6 are made of the metal discharge pipe 31. Since the water pipe 31 may be damaged, the shower head 6 is mounted with a resin guide member 40 interposed therebetween so as not to be damaged and to be able to rotate favorably.

An insertion slot 35 is also formed in the lower part of the outer periphery of the water discharge pipe 31 so as to penetrate therethrough.
The above-described fitting ring 18 is fitted into the inside from below, and the gripping pieces 20, 20 of the fitting ring 18 are inserted.
The fitting ring 18 is fitted in the outer periphery of the retaining groove 9 to prevent the shower head 6 from coming off the water discharge pipe 31.

The water discharge pipe 31 is not formed with the key 17 like the hose joint 4 shown in FIG. 3, and when the shower head 6 is attached to the water discharge pipe 31 of the fixed water faucet, the shower is shown. Since it is necessary to rotatably attach the head 6 to the water discharge pipe 31, the above-mentioned resin guide member 40 is interposed, and in a state where the fitting ring 18 is further fitted to the outer periphery of the retaining groove 9,
As shown in an enlarged cross-sectional view in FIG. 7, the rotation restricting protrusions 10 projecting into the retaining grooves 9 are arranged in the fan-shaped recesses 21 of the fitting ring 18, and both end surfaces of the fan-shaped recesses 21 are provided. , The contact surface 2 with which the rotation restricting protrusion 10 abuts
1a and 21a are formed, so that when the insertion shaft 7 is rotated with respect to the fitting ring 18 fixed in the insertion groove hole 35, the rotation restricting protrusion 10 is provided on the contact surface 21a on either side. The contact is restricted and the rotation is restricted, and the shower head 6 is rotatable only within the range of the fan-shaped recess 21. That is, if the distance between the contact surfaces 21a, 21a of the fan-shaped recess 21 is set in advance, the range of rotation of the shower head 6 is determined within that range.

It should be noted that, as shown in FIG. 7, the moderation projection 10a is further projected outward from the outer peripheral surface of the rotation restricting projection 10a.
On the other hand, in the fan-shaped recess 21, the moderation recesses 21b, 21b, 2 with which the moderation projections 10a engage at predetermined intervals are formed.
If 1b is formed, when the insertion shaft 7 rotates, the moderation projection 10a engages with any moderation recess 21b,
A good feeling of moderation when the shower head 6 is rotated is obtained.

Thus, one type of shower head 6
Can be attached to the hose joint 4 of a faucet of a hose storage type, or can be attached to the discharge pipe 31 of a fixed-type faucet, and both types of faucets can share one type of shower head 6. Yes, the shower head type is 1
The number of types is sufficient, the manufacturing cost can be reduced, and the number of types is one, the management at the time of shipping and the like becomes easy. Moreover, the mounting can be carried out easily by the fitting ring 18 and can be mounted by one-touch, which makes the mounting work extremely easy.

[0016]

The present invention is a shower head having an insertion shaft inserted into the tip of a water discharge pipe integrally projected from the faucet body, wherein the water discharge pipe is provided on the outer periphery of the insertion shaft. A retaining groove is formed in an insertion groove hole formed on the outer periphery of the retaining ring to which a fitting ring inserted and fixed from the outside is fitted, and a rotation restricting protrusion protruding outward is formed in a part of the retaining groove. In addition, the inner periphery of the fitting ring is formed with fan-shaped recesses having contact surfaces with which the rotation restricting projections abut, at both ends thereof, and allowing rotation of the insertion shaft within a predetermined angle range. Thus, the shower head can be attached by inserting the insertion shaft of the shower head into the tip of the water discharge pipe and retaining it through the fitting ring, and in the attached state, the fan-shaped recess formed on the inner peripheral surface of the fitting ring Shower on the contact surfaces of both ends. Since the rotation restricting projections come into contact with each other during rotation of the shower head to restrict the rotation range, the shower head is allowed to rotate only within the range of the fan-shaped recess, and the fitting ring should be made of resin. Thus, the shower head can be favorably rotated without being damaged.

A detent protrusion protruding further outward is formed on the outer peripheral surface of the rotation restricting protrusion, and
Since a plurality of moderation recesses with which the moderation projections are removably engageable are formed at predetermined intervals on the inner peripheral surface of the fan-shaped recess, the moderation projections are formed in any of the moderation recesses when the shower head is rotated. It has the effect of engaging and disengaging and obtaining a good moderation feeling.

[Brief description of drawings]

FIG. 1 is a cross-sectional configuration diagram of a hose storage type water faucet.

FIG. 2 is an enlarged cross-sectional configuration diagram of essential parts in a state where a shower head is attached to a hose joint of a hose storage type water faucet.

FIG. 3 is an exploded half sectional configuration diagram of FIG. 2.

FIG. 4 is a cross-sectional configuration diagram of a fixed water faucet.

FIG. 5 is an enlarged cross-sectional configuration diagram of essential parts in a state where a shower head is attached to a water discharge pipe of a fixed water faucet.

FIG. 6 is an exploded perspective view of FIG.

FIG. 7 is an enlarged explanatory view showing a state in which a fitting ring is fitted onto the retaining groove.

[Explanation of symbols]

 1 Faucet Main Body 2 Projection Pipe Part 3 Lever Handle 4 Hose Joint 6 Shower Head 7 Insertion Shaft 8 O-ring Groove 9 Stopping Groove 10 Rotation Restriction Protrusion 10a Moderation Protrusion 11 O-ring Step 12 Key Groove 14 Insertion Groove Hole 17 Key 18 Fitting ring 20 Grip piece 21 Fan-shaped recess 21a Contact surface 21b Moderation recess 23, 24 O-ring 30 Water faucet body 31 Water discharge pipe 34 Tip surface 35 Insertion groove hole 36 Engagement hole 40 Guide member 41 Collar portion 42 Insertion portion 43 Non-rotating protrusion

Claims (2)

[Claims] 1. A shower head having an insertion shaft inserted into the tip of a water discharge pipe integrally projected from a faucet body, wherein the shower head is formed on the outer circumference of the water discharge pipe on the outer circumference of the insertion shaft. A retaining groove into which a fitting ring inserted and fixed from the outside is externally fitted is formed in the formed insertion groove hole, and a rotation restricting protrusion protruding outward is formed in a part of the retaining groove. The inner periphery of the fitting ring is formed with fan-shaped recesses which have contact surfaces at both ends with which the rotation restricting projections contact and which allow rotation of the insertion shaft within a predetermined angle range. Shower head to be. 2. A detent protrusion protruding further outward is formed on an outer peripheral surface of the rotation restricting protrusion, and the detent protrusion is detachably engaged with an inner peripheral surface of the fan-shaped recess. The shower head according to claim 1, wherein a plurality of moderation recesses are formed at predetermined intervals.