JP2952650B2 - shower head - Google Patents

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 changed by the screw or the like. Although it is configured so as to regulate, there is a problem that the shower head is easily damaged by screws or the like, and particularly the shower head made of resin is severely damaged.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a shower head capable of properly controlling a rotation range without being damaged. The first gist of the present invention is a shower head having an insertion shaft inserted into a tip of a water discharge pipe integrally protruded from a faucet main body. A retaining groove is formed in which a fitting ring inserted and fixed from the outside is externally fitted into an insertion groove hole formed on the outer periphery, and a rotation regulating protrusion protruding outward is formed in a part of the retaining groove. In addition, a fan-shaped concave portion having an abutment surface at both ends with which the rotation restricting projection comes into contact is formed on an inner periphery of the fitting ring to allow rotation of the insertion shaft within a predetermined angle range. It is. In addition, the second gist is that a moderating projection is further formed on the outer peripheral surface of the rotation restricting projection so as to protrude outward, and the moderating projection is detachable on the inner peripheral surface of the fan-shaped concave portion. That is, a plurality of engaging depressed portions are formed at predetermined intervals.

[0004]

In the first aspect, a fitting ring is fitted from the outside into a fitting groove formed in the water discharge pipe with the insertion shaft of the shower head being inserted into the tip of the water discharge pipe, and the fitting ring is inserted. It is possible to prevent the shower head from being pulled out by fitting it into the retaining groove of the shaft, and to dispose the rotation restricting projection in the fan-shaped recess formed on the inner periphery of the fitting ring, and within the range of the fan-shaped recess. Only the shower head can be satisfactorily rotated. In addition, by engaging the moderation protrusion with any moderation recess, a good moderation feeling can be obtained when the shower head rotates.

[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 faucet. A faucet main body 1 is formed with a projecting tube portion 2 projecting obliquely and a drawer hose 5 is housed in the projecting tube portion 2. The hose joint 4 is attached to the tip of the drawer hose 5.
The shower head 6 is attached to the end of the hose joint 4, and an operation lever handle 3 is provided at the upper end of the faucet main body 1.

FIG. 2 is an enlarged sectional view showing the mounting structure of the shower head 6 with respect to the hose joint 4, and FIG. 3 is an exploded view in which the shower head 6 and the hose joint 4 are cut away. The shower head 6 has an insertion shaft 7 projecting outward.
Are integrally formed, and the shower head 6 and the insertion shaft 7
Is formed of resin, and on the outer periphery of the insertion shaft 7,
An O-ring groove 8 into which an O-ring can be fitted is formed at the base side, and a retaining groove 9 is formed in a concave shape on the outer periphery of the O-ring groove 8, and inside the retaining groove 9, A reinforcing rib R protrudes upward in the figure and a rotation restricting protrusion 10 protrudes downward, and is formed.
The outer periphery of the retaining groove 9 is an O-ring step 11 into which an O-ring can be fitted.
At the distal end of the insertion shaft 7 outside of the
A key groove 12 having an open end is formed at a location.

On the other hand, an insertion slot 14 is formed in the lower part of the outer periphery of the hose joint 4 in a penetrating manner.
4 has a sliding contact portion 15 on the inner peripheral surface on the back side.
An O-ring abutment surface 16 is formed in a stepped shape on the back side, and keys 17 are formed at three places protruding from the back side. A fitting ring 18 can be inserted into the insertion slot 14 from the outside and can be fixed. The fitting ring 18 is formed of resin and has a base 19.
The upper surface of the base 19 is formed as a fan-shaped recess 21, and the side surface of the base 19 is formed as a recess in a tool-hung recess 2.
2 is formed.

[0008] Shower head 6 from the end of the hose joint 4
The insertion shaft 7 is inserted, and the O-ring 23 externally fitted to the outer peripheral surface of the O-ring step 11 is brought into contact with the sliding contact portion 15 and the O-ring contact surface 16, and the key at the tip is 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 where the shower head 6 is stopped from rotating by the engagement of the key groove 12 and the key 17. When the ring 18 is inserted into the insertion slot 14, the gripping piece 2 of the fitting ring 18 is
In this state, the shower head 6 is no longer pulled out of the hose joint 4 by the fitting ring 18, but is in a state in which the shower head 6 is properly pulled out. I do.

As described above, the insertion shaft 7 of the shower head 6 is inserted into the end of the hose joint 4 of the hose storage type faucet, and the fitting ring 18 is fitted in this state.
The shower head 6 can be fixed in such a manner that the shower head 6 is easily inserted into the shower head. In addition, since the hose joint 4 is configured to be rotatable with respect to the protruding pipe portion 2, the direction of the shower head 6 can be changed by appropriately rotating the hose joint 4, and if necessary, the shower head 6 can be changed. 6 and the hose joint 4 can be pulled out to the front side and used.

FIG. 4 is a sectional view of a fixed type faucet. That is, the faucet shown in FIG. 4 is one in which the water discharge pipe 31 is integrally formed to protrude from the faucet body 30.
The water discharge pipe 31 is made of metal, similarly to the case 0, and a lever handle 32 for operation is provided at the upper end of the faucet body 30. The shower head 6 described above can be attached to the tip of the water discharge pipe 31 of the fixed faucet. The shower head 6 attached to the hose storage type faucet can be used as a fixed 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. 6 is an enlarged configuration diagram of a cross section in a state of being attached to the device 1, and FIG. 6 is an exploded perspective configuration diagram. When attaching the shower head 6 to the tip of the water discharge pipe 31, a separate resin-made guide member 40 is used, and this guide member 40 has a ring shape inside the flange 41 as shown in a cross section in FIG. In addition, an insertion portion 42 that can be fitted to the inner peripheral surface of the distal end of the water discharge pipe 31 is integrally formed, and two detent projections 4 are provided on the upper portion of the flange portion 41.
3, 43 are integrally formed to protrude,
The resin guide member 40 is first connected to the metal water discharge pipe 31.
At the front end surface 34 of the water discharge pipe 31, engagement holes 36, 36 into which the rotation preventing projections 43, 43 can be fitted are formed in a concave shape. The guide members 40 are fixed to the distal end surface of the water discharge pipe 31 by fitting the rotation preventing projections 43 and 43 to the inner surface of the water discharge pipe 31 by fitting the insertion portion 42 to the inner peripheral surface, and bringing the flange portion 41 into contact with the distal end surface 34. In this state, the guide member 40
Insert the insertion shaft 7 of the shower head 6 into the inner peripheral surface of
When the insertion shaft 7 can be inserted into the water discharge pipe 31 and the O-ring 24 is fitted in the O-ring groove 8 at this time,
The outer periphery 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, if the resin-made guide member 40 is not used, the resin-made insertion shaft 7 and the shower head 6 directly contact the metal-made water discharge pipe 31, and the insertion shaft 7 and the shower head 6 are made of metal. Since the water pipe 31 may damage the shower head 6, the shower head 6 is mounted so as to be able to rotate favorably without damaging the shower head 6 through the guide member 40 made of resin.

An insertion slot 35 is formed in the lower part of the outer periphery of the water discharge pipe 31 in a penetrating manner.
The above-mentioned fitting ring 18 is fitted from below into the inside, and the holding pieces 20, 20 of the fitting ring 18 are inserted into the insertion shaft 7.
Of the shower head 6 from the water discharge pipe 31 can be prevented by the fitting ring 18.

The water discharge pipe 31 is not provided with a 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 faucet, the shower Since the head 6 needs to be rotatably attached to the water discharge pipe 31, the above-described resin guide member 40 is interposed. In a state where the fitting ring 18 is further fitted on the outer periphery of the retaining groove 9,
As shown in the enlarged cross-sectional view of FIG. 7, the rotation restricting protrusion 10 protruding from the retaining groove 9 is disposed in the fan-shaped concave portion 21 of the fitting ring 18. Abutment surface 2 with which this rotation regulating projection 10 abuts
Since the insertion shaft 7 is rotated with respect to the fitting ring 18 fixed in the insertion groove 35, the rotation restricting projection 10 is provided on one of the abutting surfaces 21a. The rotation is restricted by the contact, so that the shower head 6 can rotate only within the range of the fan-shaped concave portion 21. That is, if the distance between the contact surfaces 21a of the fan-shaped concave portion 21 is set in advance, the rotation range of the shower head 6 is determined within that range.

As shown in FIG. 7, a moderating projection 10a which projects further outward on the outer peripheral surface of the rotation regulating projection 10 is provided.
On the other hand, the moderation recesses 21b, 21b, 2 with which the moderation projections 10a engage at predetermined intervals are formed in the fan-shaped recesses 21.
If the insertion shaft 7 rotates, the moderation projection 10a engages with any moderation recess 21b when the insertion shaft 7 rotates,
The moderation feeling at the time of rotating the shower head 6 can be obtained favorably.

Thus, one type of shower head 6
Can be attached to the hose fitting 4 of a hose storage type faucet, or can be attached to the water discharge pipe 31 of a fixed type faucet, so that one type of shower head 6 can be shared by both types of faucets. Yes, the type of shower head is 1
The number of types is sufficient, and the manufacturing cost can be reduced. Since only one type is used, management at the time of shipment and the like is easy. In addition, the attachment can be satisfactorily prevented from being pulled out via the fitting ring 18 and can be attached with one touch, and the attachment work is extremely easy.

[0016]

According to the present invention, there is provided a shower head having an insertion shaft which is inserted into a tip of a water discharge pipe integrally protruded from a water faucet main body. A retaining groove is formed in the insertion groove hole formed on the outer periphery of the fitting groove, the retaining ring being inserted and fixed from the outside, and a rotation restricting projection protruding outward is formed in a part of the retaining groove. In addition, a fan-shaped concave portion having contact surfaces on both ends with which the rotation restricting projection comes into contact is formed on the inner periphery of the fitting ring to allow the insertion shaft to rotate within a predetermined angle range. By doing so, the showerhead can be attached to the tip of the water discharge pipe by inserting the insertion shaft of the showerhead, preventing the showerhead from being removed via the fitting ring, and in the mounted state, the fan-shaped recess formed on the inner peripheral surface of the fitting ring. Shower on contact surfaces at both ends Since the rotation range is restricted by the rotation restricting projections abutting upon the rotation of the door, the rotation of the shower head is permitted only within the range of the fan-shaped concave portion, and the fitting ring may be formed of resin. Thus, the shower head can be satisfactorily rotated without being damaged.

In addition, a moderating projection is further formed on the outer peripheral surface of the rotation restricting projection to project outward.
On the inner peripheral surface of the fan-shaped recess, a plurality of moderation recesses are formed at predetermined intervals with which the moderation projections are releasably engaged. There is an effect that a good sense of moderation can be obtained by engaging and disengaging.

[Brief description of the drawings]

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

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

FIG. 3 is an exploded half sectional configuration view of FIG. 2;

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

FIG. 5 is an enlarged sectional configuration view of a main part in a state where a shower head is attached to a water discharge pipe of a fixed faucet.

FIG. 6 is an exploded perspective view of FIG.

FIG. 7 is an enlarged explanatory view of a state where a fitting ring is fitted outside the retaining groove.

[Explanation of symbols]

 DESCRIPTION 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 Lockout groove 10 Rotation restriction protrusion 10a Moderation protrusion 11 O-ring step 12 Key groove 14 Insertion groove hole 17 Key REFERENCE SIGNS LIST 18 fitting ring 20 gripping piece 21 fan-shaped concave portion 21a contact surface 21b moderating concave portion 23, 24 o-ring 30 faucet main body 31 water discharge pipe 34 tip end surface 35 insertion groove hole 36 engagement hole 40 guide member 41 flange portion 42 insertion portion 43 Detent projection

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A47K 3/22 B05B 1/18 101 E03C 1/042

Claims (2)

(57) [Claims] 1. A shower head having an insertion shaft inserted into a distal end of a water discharge pipe integrally protruded from a water faucet main body, wherein the shower head is formed on an outer circumference of the water discharge pipe on an outer circumference of the insertion shaft. A retaining ring is formed in which a fitting ring inserted and fixed from the outside into the inserted groove hole is formed, and a rotation restricting projection projecting outward is formed in a part of the retaining groove, The inner periphery of the fitting ring is formed with a fan-shaped concave portion having contact surfaces at both ends with which the rotation restricting projections abut, and allowing rotation of the insertion shaft within a predetermined angle range. Shower head. 2. A moderating projection is further formed on an outer peripheral surface of the rotation restricting projection to protrude outward, and the moderating projection is removably engaged with an inner peripheral surface of the fan-shaped concave portion. The shower head according to claim 1, wherein a plurality of moderating concave portions are formed at predetermined intervals.