JPH1157535A - Shower head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shower head in which washable area time is widened while massage effect is maintained to attain water-saving effect. SOLUTION: To the head part of a shower head body 12, a sprinkler cap 15 consisting of a cap body 13 and a sprinkler plate 14 is freely attachably and detachably fitted, and in the central part of the sprinkler plate 14, plural first sprinkler holes 29 extending almost in the same direction as that of the axis line of the sprinkler cap 15 are formed, and also in the peripheral edge part of the sprinkler plate 14, plural second sprinkler holes 30 radially extending toward the front surface from the rear are formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shower head which is attached to the tip of a shower hose and which can wash various parts of a human body by spraying water.

[0002]

2. Description of the Related Art As one form of a shower head serving the above purpose, there is a shower head B of the form shown in FIG. As shown in the figure, a shower head main body 61 formed of a long tubular body whose base is connected to and connected to a shower hose 60.
A sprinkling cap 62 is removably attached to the tip of. As shown in FIG. 6, the sprinkler cap 62 is placed on the front end face of the shower head main body 61 and has a water sprinkling plate 64 having a large number of water sprinkling holes 63. The cap body 65 is screwed and fixed. That is, a female screw portion is provided on the inner surface of the cap body 65, and the female screw portion is screwed to a male screw portion provided at the tip of the shower head main body 61, so that the watering plate 64 is attached to the shower head main body 61. Can be fixed.

[0003] Although not shown, the sprinkler cap is also formed by providing a through hole in the center of the sprinkler cap, inserting a connecting bolt through the through hole, and screwing the tip of the connecting bolt to the shower head body. , Can be screwed to the shower head body.

[0004]

However, the above-mentioned shower head B still has the following problems to be solved. That is, as shown in FIG. 6, all of the large number of watering holes 63 provided in the watering plate 64 of the watering cap 62 extend in the same direction as the axis of the watering cap 62, so that the water is injected from the watering hole 63. The shower water has a rod shape and a massage effect can be obtained, but the area of the shower water applied to the human body per time is limited. Therefore, in order to remove bubbles and the like from the body with rinsing water after washing the body with soap or the like, for example, the shower head main body 61
Must be moved frequently, and the usability of the shower head B has been poor. A large number of watering holes 63 are radially provided on the watering plate 64 of the watering cap 62 to increase the area of the shower water applied to the human body. In this case, however, the power of water sprayed from the watering holes 63 is weak. A sufficient massage effect cannot be obtained.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a shower head capable of increasing a washable area per operation while maintaining a massage effect and also achieving a water saving effect. And

[0006]

According to the present invention, there is provided a semiconductor device comprising:
In the shower head described above, a watering cap composed of a cap body and a watering plate is detachably attached to the tip of the showerhead body, and a plurality of watering caps extending in the same direction as the axis of the watering cap at the center of the watering plate. A first watering hole is formed, and a plurality of second watering holes extending radially from a rear surface to a front surface are formed at a peripheral portion of the watering plate.

According to a second aspect of the present invention, in the shower head according to the first aspect, the peripheral portion of the sprinkler plate is thicker than the central portion, and the length of the second sprinkler hole is increased by the second length. It is longer than the length of one watering hole. The shower head according to claim 3 is the shower head according to claim 1 or 2, wherein the water spray plate is formed of a truncated conical disk whose diameter gradually decreases from the front surface to the rear surface. A tapered outer peripheral wall is fitted and fixed to a tapered inner peripheral wall of a sprinkler plate mounting hole provided at a front portion of the cap body, and the plurality of second sprinkler holes are formed on the tapered outer peripheral wall of the sprinkler plate. It is formed by a plurality of grooves provided so as to extend in the front-rear direction at intervals in the circumferential direction and the tapered inner peripheral wall.

According to a fourth aspect of the present invention, in the shower head according to the third aspect, a plurality of welding projections having a very small height are formed on the tapered outer peripheral wall of the water spray plate at intervals in the circumferential direction. By applying ultrasonic vibration to the water spray plate, the welding projection is melted, and the water spray plate is fitted and fixed to the cap body.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. First, a configuration of a shower head A according to an embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 1, a shower head A according to the present embodiment has a shower head body 12 comprising a cylindrical gripper 10 and a hollow enlarged head 11, and a tip of the shower head body 12. It is detachably attached to the section and is constituted by a watering cap 15 composed of a cap body 13 and a watering plate 14. The shower head body 12
It is preferable to use a synthetic resin such as an ABS resin having good moldability as a material of the watering cap 15.

In the above configuration, the shower head body 1
The grip 10 has a lower portion bent at a predetermined angle to facilitate connection with the tip of the shower hose 16, and is provided at a lower portion of the grip 10 to ensure watertightness. A seal packing 18 is attached to the male thread 10 a and the female thread 17 of the shower hose 16.

On the other hand, a reduced-diameter male screw portion 19 is integrally connected to an upper portion of the grip portion 10. The reduced-diameter male screw portion 19 has an L-shaped enlarged head 11 having an L shape in a side view. A female screw portion 20 provided on the base portion is screwed and connected. Note that a seal packing 21 is attached to the base of the reduced-diameter male screw portion 19 in order to ensure watertightness.

Next, the watering cap 15 will be described. A reduced diameter male screw portion 22 is continuously provided at the front of the enlarged diameter head 11 of the shower head body 12. The sprinkling cap 15 can be easily and reliably attached to the shower head main body 12 by screwing the female screw part 23 formed on the inner surface of the rear part of the cap main body 13 to the reduced-diameter male screw part 22. . A sprinkler plate mounting hole 25 is provided in a disc-shaped flat plate portion 24 formed at the front portion of the cap body 13. The sprinkler plate mounting hole 25 is provided with a sprinkler plate 14 made of a disc having a predetermined thickness. Are fitted and fixed.

That is, as shown in FIG.
5 is provided with a tapered inner peripheral wall 26 whose diameter gradually decreases rearward. On the other hand, sprinkler plate 14
Is formed of a frusto-conical disk whose diameter gradually decreases from the front surface to the rear surface.

Accordingly, the tapered outer peripheral wall 27 of the sprinkler plate 14
After fitting into the tapered inner peripheral wall 26 of the sprinkler plate mounting hole 25 provided in the flat plate portion 24 at the front part of the cap body 13, it is fixed using a predetermined fixing means such as a welding projection 28 or a connecting bolt described later. Thereby, the sprinkling plate 14 can be easily and firmly fitted and fixed to the cap body 13.

As shown in FIGS. 1 to 3, the watering cap 1
5, a plurality of first watering holes 29 extending in substantially the same direction as the axis of the watering cap 15 are formed at equal intervals in all directions, and at the peripheral edge of the watering plate 14. Are a plurality of second radially extending from the rear surface to the front surface.
Are formed.

As shown in FIGS. 1 and 2, the shape of the first watering hole 29 is a circle having a small diameter. On the other hand, the hole shape of the second watering hole 30 is an isosceles triangular shape that is bilaterally symmetric about a normal 30a extending radially from the center O of the watering plate 14, and the hole area thereof is 1 watering hole 2
9 is larger than the hole area. In addition, watering board 1
The thickness T1 of the peripheral portion of No. 4 is larger than the thickness T2 of the central portion. Therefore, the length of the second watering hole 30 can be longer than the length of the first watering hole 29.

With this configuration, the shower water sprayed from the first watering hole 29 becomes a rod and is discharged to the user's body, while the shower water sprayed from the second watering hole 30 Is powerfully and annularly spouted,
A water film (curtain) can be formed around the rod-shaped shower water.

In this embodiment, as shown in FIGS. 4 and 5, a plurality of tapered outer peripheral walls 27 of the sprinkler plate 14 extend in the front-rear direction at intervals in the circumferential direction. A groove 31 is provided. Therefore, only by fitting and fixing the sprinkler plate 14 into the sprinkler plate mounting hole 25, these grooves 31
The second water sprinkling hole 30 can be easily formed by the water sprinkling plate mounting hole 25 and the tapered inner peripheral wall 26.

In the present embodiment, as shown in FIGS. 4 and 5, a plurality of minute spaces are provided on the tapered outer peripheral wall 27 of the sprinkler plate 14 at intervals in the circumferential direction before being fixed. A welding projection 28 having a height is provided. Therefore, watering plate 1
4 is inserted into the sprinkling plate mounting hole 25, ultrasonic vibration is applied to the sprinkling plate 14, and the welding protrusions 28 are melted by the vibration, whereby the sprinkling plate 14 is easily and firmly inserted into the sprinkling plate mounting hole 25. Can be fixed. At this time, since the welding projection 28 has a very small height, even if it is melted, there is no possibility that the second watering hole 30 will be closed.

Further, as shown in FIG. 1, in this embodiment, the inside of the enlarged head 11 of the shower head main body 12 is
Preferably, a reduced diameter hole forming member 42 made of a synthetic resin such as an ABS resin is provided. As shown, the reduced-diameter hole forming member 42 includes a front large-diameter cylindrical portion 32 and a rear small-diameter cylindrical portion 3.
3 is formed. The outer peripheral surface and the rear end surface of the front large-diameter cylindrical portion 32 are respectively connected to the inner peripheral surface of the front large-diameter hole 34 provided inside the enlarged-diameter head 11 and the annular step portion 35 connected to the rear thereof. Is in contact with On the other hand, a male screw portion 36 is provided on the outer peripheral surface of the rear small-diameter cylindrical portion 33, and the male screw portion 36 is screwed to a female screw portion 38 provided at the front of the rear small-diameter hole 37 of the enlarged-diameter head 11. Have been. With this configuration, the reduced diameter hole forming member 42 can be detachably attached to the enlarged diameter head 11 of the shower head main body 12.

As shown in FIG. 1, inside the reduced diameter hole forming member 42, a plurality of water holes 39, 40 whose diameter is reduced stepwise from the rear surface toward the front surface are formed. The hole diameter D1 of the water hole 40 is set smaller than the hole diameter D2 of the rear small hole 37 of the shower head main body 12.

Therefore, after the flow rate of the water (or mixed hot water) supplied to the shower head A is once increased by passing through the water holes 39 and 40 provided in the reduced diameter hole forming member 42, the water sprinkling plate 14 Watering plate 14
The shower water can be powerfully spouted toward the user through the first water sprinkling hole 29 and the second water sprinkling hole 30 provided in the above.

Next, the operation of the shower head A having the above configuration will be described with reference to FIG.

Opening the faucet and hot water mixer tap (not shown)
Water having a constant water pressure is supplied to the shower head A through the shower hose 16. The water thus supplied is supplied to the internal flow passage 41 of the shower head main body 12 → the rear small diameter hole 37 → the water passage hole 3 of the reduced diameter hole forming member 42.
9, 40 → supplied to the watering cap 15 through the front large-diameter hole 34, and then, through the first watering hole 29 and the second watering hole 30 provided in the watering plate 14, two types of shower water, Water is spouted toward the user. Here, the first type of shower water discharged from the first water sprinkling holes 29 is used in the form of a rod because the first water sprinkling holes 29 are all arranged in parallel to the axis of the water sprinkling cap 15. Water is spouted by the person, and a predetermined massage effect can be produced. Further, since the diameter of the first water sprinkling hole 29 is small, a part of the water is spouted in the form of a mist, and scatters radially to the outside as it is.

However, in the present embodiment, the second type of shower water discharged from the second water sprinkling hole 30 has the second water sprinkling hole 3 whose hole area and length are larger than the first water sprinkling hole 29.
Since water is spouted through 0, a strong water film (curtain) can be formed around the first type of shower water,
It is possible to reliably prevent the first type of shower water from scattering to the outside. The second watering hole 30 is provided for the watering plate 1.
4 is formed on the outer peripheral surface of the sprinkler plate 14 in a state of radially extending from the rear surface to the front surface, so that the shower water spouted from the sprinkler plate 14 is covered in proportion to the distance from the sprinkler plate 14. The range can be large. Therefore,
In cooperation with the first type of shower water, for example, the shower water can be discharged to the whole body of the user, and the shower time can be shortened, and the use amount of the shower water can be reduced, that is, the water saving effect. Can be achieved.

Since the watering cap 15 is detachably attached to the shower head main body 12, by replacing the watering cap 15 with a different radiation angle of the second watering hole 30, the washable area of the showerhead A can be changed. Can be adjusted easily and quickly.

Further, in the present embodiment, the flow rate of water (or mixed hot water) supplied to the shower head A is passed through the water holes 39 and 40 provided in the reduced-diameter hole forming member 42, thereby After the flow rate is once increased, the water can be supplied to the sprinkler plate 14, so that the shower water is strongly discharged toward the user through the first sprinkler hole 29 and the second sprinkler hole 30 provided in the sprinkler plate 14. be able to.

As described above, the present invention has been described with reference to one embodiment. However, the present invention is not limited to the configuration described in the above embodiment, and is described in the claims. It also includes other embodiments and modifications that can be considered within the scope of the matters described.

[0030]

In the shower head according to any one of the first to fourth aspects of the present invention, a sprinkler cap including a cap body and a sprinkler plate is detachably attached to the tip of the shower head main body, and the axis of the sprinkler cap is set at the center of the sprinkler plate. A plurality of first sprinkling holes extending in substantially the same direction as the first sprinkling hole are formed, and a plurality of second sprinkling holes extending radially from the rear surface to the front surface are formed at the periphery of the sprinkling plate. .

Accordingly, a strong water which can discharge the rod-shaped shower water exerting a massage effect from the first water sprinkling hole and can prevent the rod-shaped shower water from scattering to the outside from the second water sprinkling hole. The shower water forming the film can be discharged. In addition, the shower water discharged from the second water spouting hole can have a large cover range in proportion to the distance from the water sprinkling plate. Shower water can be spouted on the whole body of the person, and the soap bubbles and the like adhering to the body can be quickly washed away to shorten the shower time and reduce the amount of shower water used, that is, to achieve a water-saving effect. Can be. Further, since the watering cap is detachably attached to the showerhead body, the washable area of the showerhead can be easily and quickly adjusted by replacing the watering cap with a different watering angle of the second watering hole. Can be.

In the shower head according to the second aspect, the peripheral part of the sprinkler plate is made thicker than the central part, and
The length of the water sprinkling hole is longer than the length of the first water sprinkling hole, so that a strong water film can be formed around the rod-shaped shower water, and the rod-shaped shower water can be prevented from scattering to the outside. It can be reliably prevented.

In the shower head according to the third aspect, since the plurality of grooves are provided on the tapered outer peripheral wall of the watering plate so as to extend in the front-rear direction at intervals in the circumferential direction, the watering plate is provided. The second watering hole can be easily formed by these grooves and the tapered inner peripheral wall of the watering plate mounting hole only by fitting and fixing the water spraying plate into the watering plate mounting hole.

In the shower head according to the fourth aspect, a plurality of welding projections having a minute height are formed on the tapered outer peripheral wall of the water spray plate at intervals in the circumferential direction, and ultrasonic vibration is applied to the water spray plate. As a result, the welding projection was melted and the sprinkler plate was fitted and fixed in the cap body.
The sprinkling plate can be easily and firmly fixed in the sprinkling plate mounting hole without obstructing the smooth and powerful spouting of the shower water from the sprinkling hole.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a shower head according to an embodiment of the present invention.

FIG. 2 is a view taken along the line II in FIG. 1;

FIG. 3 is a sectional view taken along line II-II of FIG.

FIG. 4 is an exploded perspective view of a watering cap.

FIG. 5 is a side view of a sprinkler plate.

FIG. 6 is a longitudinal sectional view of a conventional shower head.

[Explanation of symbols]

Reference Signs List A shower head O center D1 hole diameter D2 hole diameter T1 thickness T2 thickness 10 gripping part 10a male screw part 11 enlarged diameter head 12 shower head body 13 cap body 14 water sprinkling plate 15 water sprinkling cap 16 shower hose 17 female screw part 18 seal packing 19 male screw Part 20 Female screw part 21 Seal packing 22 Reduced diameter male screw part 23 Female screw part 24 Flat plate part 25 Watering plate mounting hole 26 Tapered inner peripheral wall 27 Tapered outer peripheral wall 28 Welding projection 29 First watering hole 30 Second watering hole 30a Normal line 31 Groove 32 Front large-diameter cylindrical part 33 Rear small-diameter cylindrical part 34 Front large-diameter hole 35 Annular step part 36 Male screw part 37 Rear small-diameter hole 38 Female screw part 39 Water hole 40 Water hole 41 Internal flow path 42 Shrinkage Diameter hole forming member

Claims (4)

[Claims] 1. A watering cap comprising a cap body and a watering plate is detachably attached to a tip of a showerhead body, and a plurality of watering caps extending in the same direction as the axis of the watering cap at the center of the watering plate. A shower head, wherein one watering hole is formed, and a plurality of second watering holes extending radially from a rear surface to a front surface are formed at a peripheral portion of the watering plate. 2. The sprinkler plate according to claim 1, wherein a thickness of a peripheral portion of the sprinkler plate is larger than that of the central portion, and a length of the second sprinkler hole is longer than a length of the first sprinkler hole. The shower head according to 1. 3. The water spray plate is formed of a frusto-conical disk whose diameter gradually decreases from the front surface to the rear surface, and a tapered outer peripheral wall of the water spray plate is provided at a front portion of the cap body. Fitted and fixed to the tapered inner peripheral wall of the sprinkler plate mounting hole,
And the plurality of second watering holes are provided in the tapered outer peripheral wall of the watering plate with a plurality of grooves provided in a state extending in the front-rear direction at intervals in the circumferential direction, and the tapered inner peripheral wall, The shower head according to claim 1, wherein the shower head is formed by: 4. A plurality of welding protrusions having a minute height are formed on the tapered outer peripheral wall of the water spray plate at intervals in a circumferential direction,
The shower head according to claim 3, wherein the welding projection is melted by applying ultrasonic vibration to the water spray plate, and the water spray plate is fitted and fixed to the cap body.