JP2012010882A - Shower head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shower head having a water discharge range with a moderate expansion for switching the form of discharging water.SOLUTION: The shower head 1 for changing the form of discharging water includes: a water channel 16 in which supplied hot water flows inside; a shower head body 2 including a body opening 9 discharging the warm water lead by the water channel 16; a resilient spraying plate 4 slidably disposed to the shower head body 2 to cover the body opening 9 of the shower head body 2, wherein a plurality of sparkling holes 22 are provided; and a spraying plate slide mechanism 6 for switching the form of discharging water by moving the spraying plate 4 to the shower head body 2 with resilient deformation, and discharging the warm water from the sparkling hole 22 aligned with the body opening 9 from among the plurality of sparkling holes 22 provided in the spraying plate 4.

Description

  The present invention relates to a shower head, and more particularly to a shower head capable of switching a water discharge form.

  2. Description of the Related Art Conventionally, a shower head that switches a water discharge mode by sliding a water spray plate is known in order to realize an optimal bathing feeling that slightly changes depending on a user's physical condition and the like.

  In Japanese Utility Model Laid-Open No. 52-075535 (Patent Document 1), a spherical sprinkler plate is rotatably mounted inside the shower head main body, and the water discharge form is changed by rotating the sprinkler plate along the shower head main body. A switching showerhead is described. In this shower head, the water spray hole exposed through the opening of the shower head main body is changed by rotating the water spray plate, and water can be discharged according to the diameter of the exposed water spray hole.

  Japanese Utility Model Laid-Open No. 02-104850 (Patent Document 2) describes a shower head in which a water spray plate formed in a cylindrical shape is rotatably mounted inside a shower head body. In this shower head, the shower head main body has a slit-shaped opening, and the water spray plate is provided with a dot-shaped fountain hole and a slit-shaped fountain hole. By rotating the cylindrical water spray plate with respect to the shower head main body, the fountain hole aligned with the slit-shaped opening of the shower head main body is changed, and the water discharge form can be switched.

Japanese Utility Model Publication No. 52-075535 Japanese Utility Model Publication No. 02-104850

  However, in the shower heads described in Patent Document 1 and Patent Document 2, the water spray plate is configured in a spherical shape or a substantially cylindrical shape so that the water spray plate can be rotated in the shower head body. For this reason, the hot water discharged from the spherical or cylindrical sprinkling plate spreads greatly in the circumferential direction, and it is difficult to obtain a comfortable water discharge.

  Accordingly, an object of the present invention is to provide a shower head that has a moderate water discharge range and is comfortable to bath while allowing the water discharge mode to be switched.

In order to achieve the above object, the present invention is a shower head capable of switching the water discharge mode, a water passage through which the supplied hot water flows, and an opening through which the hot water guided by the water passage flows out. A shower head main body provided with an elastically deformable water spray plate that is slidably arranged with respect to the shower head main body so as to cover the opening of the shower head main body, and is provided with a plurality of water spray holes. Sprinkling that switches the water discharge mode by moving the plate with respect to the shower head body while elastically deforming the plate, and discharging hot water from the sprinkling holes that are aligned with the opening among the plurality of sprinkling holes provided in the sprinkling plate. And a plate slide mechanism.
In the present invention configured as described above, the user can slide the elastically deformable water spray plate provided with a plurality of water spray holes while elastically deforming the shower head body. When the sprinkling plate is slid, the sprinkling hole that matches the opening of the plurality of sprinkling holes provided in the sprinkling plate changes, and water is discharged from the sprinkling hole that matches the opening. The water discharge form is switched by changing the water spray holes where water discharge is performed. Furthermore, since the water spray plate is elastically deformed when switching the water discharge form, it is possible to slide the water spray plate with respect to the shower head body, and to give an appropriate curvature to the portion of the water spray plate where water is discharged. Can do. As a result, it is possible to perform shower water discharge having a moderate spread and comfortable bathing.

In the present invention, preferably, it further includes a shower head main body cover provided with a cover opening that is disposed outside the shower head main body and exposes a part of the water spray plate, and the water spray plate includes the shower head main body and the shower head. It is characterized by being slid along the shape of the shower head body between the body covers.
In the shower head of the present invention configured as described above, the water spray plate is slid along the shape of the shower head body between the shower head body and the shower head body cover. Since the shower head is provided with a cover opening that exposes a part of the water spray plate, a portion of the water spray plate where water is not discharged can be covered and the appearance of the shower head can be improved.

In the present invention, preferably, the water spray plate slide mechanism is rotatably attached to the shower head main body, and engages with the water spray plate to slide the water spray plate with respect to the shower head main body, A second rotation shaft portion that is rotatably attached to the shower head body, rotates in conjunction with the first rotation shaft portion, engages with the water spray plate, and slides the water spray plate with respect to the shower head body. It is characterized by having.
In the present invention configured as described above, the water spray plate slide mechanism is rotatably attached to the shower head main body and engages with the water spray plate to slide the water spray plate relative to the shower head main body. A second rotating shaft that is rotatably attached to the shaft portion and the shower head body, rotates in conjunction with the first rotating shaft portion, engages the water spray plate, and slides the water spray plate relative to the shower head main body. Since the first rotation shaft portion and the second rotation shaft portion can be rotated with a small operating force. Thereby, with a small operation force, a water spray board can be slid with respect to a shower main body, and a water discharge form can be switched.

In the present invention, preferably, the first rotary shaft portion has one end of the water spray plate fixed thereto, and the second rotary shaft is wound around the first rotary shaft portion while being rotationally engaged with the water spray plate. The part is arranged in parallel with the first rotating shaft part, the other end of the watering plate is fixed, and the watering plate is wound around the second rotating shaft part while being rotationally engaged with the watering plate. It is characterized by.
In the present invention configured as described above, one end of the water spray plate is fixed, and the first rotary shaft portion capable of winding or unwinding the water spray plate around the first rotary shaft portion while being rotationally engaged with the water spray plate. And the first rotating shaft portion and the axis are arranged in parallel, and the other end of the watering plate is fixed, and the watering plate is wound or wound around the second rotating shaft portion while being rotationally engaged with the watering plate. The water spray plate can be slid with respect to the shower body by the second rotating shaft portion that can be returned.
Further, in the present invention configured as described above, one end of the water spray plate is fixed to the first rotary shaft portion, and the other end is fixed to the second rotary shaft portion. When water spray holes are provided so as to increase, the diameter of the water spray holes discharged by winding the water spray plate around the rotating shaft portion changes stepwise, and the diameter of the water spray holes spouted may change abruptly. Absent.

In this invention, Preferably, it is further characterized by having a sealing member arrange | positioned between a shower head main body and a water spray plate, and sealing between a shower head main body and a water spray plate.
In the present invention configured as described above, since the sealing member is further disposed between the shower head main body and the watering plate and seals between the shower head main body and the watering plate, the watering plate can be easily disposed between the shower head main body and the watering plate. Can be sealed with structure.

In the present invention, preferably, it further has a watering plate pressing portion that presses the watering plate substantially at the center of the main body opening and elastically deforms the watering plate so that the center rises.
In this invention comprised in this way, a shower head main body further has a water spray board press part which presses a water spray board in the approximate center of a main body opening part, and elastically deforms so that a center may rise. Accordingly, the water spray plate is pressed and elastically deformed by the water spray plate pressing portion at substantially the center of the cover opening to form a water discharge surface with the center rising. The water spray plate can perform water discharge spreading in a direction perpendicular to the sliding direction of the water spray plate according to the elastically deformed water discharge surface. Therefore, it is possible to form a shower head having a water discharge range having an appropriate spread in the vertical direction.

In the present invention, preferably, the water spray plate is provided with a click recess that engages with the tip of the water spray plate pressing portion so that the slide of the water spray plate is stopped at a predetermined position.
In this invention comprised in this way, a water spray plate can stop a slide at a predetermined position, when the front-end | tip of a water spray plate press part and a click recessed part engage. Therefore, the water spray plate is stopped at an inappropriate position, and the discharged water can be prevented from colliding with the edge of the cover opening to disturb the discharged water.

In this invention, Preferably, a water spray hole functions as a click recessed part.
In the present invention configured as described above, the function of the click recess can be realized more easily because the water spray hole functions as the click recess, so that it is not necessary to newly form the click recess in the spray plate. .

  The shower head capable of switching the water discharge mode of the present invention can have a water discharge range having an appropriate extent.

It is a perspective view which shows the shower head by 1st Embodiment of this invention. It is a front view which shows the shower head by 1st Embodiment of this invention. 1 is an exploded view of a shower head according to a first embodiment of the present invention. It is an expanded view of the watering board of the shower head by 1st Embodiment of this invention. It is sectional drawing of the shower head by 1st Embodiment of this invention. It is a perspective view which shows the shower head by 2nd Embodiment of this invention. It is an exploded view of the shower head by 2nd Embodiment of this invention. It is an exploded view of the shower head by 3rd Embodiment of this invention.

Hereinafter, a shower head according to a first embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a perspective view showing a shower head according to a first embodiment of the present invention, and FIG. 2 is a front view showing the shower head according to the first embodiment of the present invention.

  As shown in FIG.1 and FIG.2, the showerhead 1 by 1st Embodiment of this invention is the showerhead main body 2 which sprinkles hot water, the watering board 4, the watering board slide mechanism 6 which switches a watering form, A shower head body cover 7 is provided. The shower head 1 is a shower head in which a user can switch the water discharge form in order to realize an optimal bathing comfort according to physical condition and the like. The shower head is shaped so that the user can use it while holding the shower head body 2 or placing it on a shower head support (not shown) installed on the wall. The user can switch the water discharge form by rotating the water spray plate slide mechanism 6 by turning the knob portion 10 and sliding the water spray plate 4 attached to the water spray plate slide mechanism 6.

Next, the shower head 1 according to the first embodiment of the present invention will be described in detail with reference to FIGS. 3 to 5. FIG. 3 is an exploded view of the shower head according to the first embodiment of the present invention, FIG. 4 is an exploded view of the water spray plate of the shower head according to the first embodiment of the present invention, and FIG. It is sectional drawing of the shower head by 1st Embodiment.
The shower head main body 2 is formed in a substantially cylindrical shape, and is formed so that hot water can be passed through and guided to the water spray plate. The shower head main body 2 includes a rectangular main body opening 9 for discharging hot water on the upper side surface of the shower head main body 2, and a water passage through which hot water supplied from a water supply pipe (not shown) flows. 16. As will be described later, the water spray plate 4 is disposed so as to cover the main body opening 9, and hot water is discharged from the water spray holes formed in the water spray plate 4 at positions aligned with the main body opening 9.

  The water spray plate 4 is formed in an annular shape by joining both ends of a thin plate water spray plate as shown in FIG. The water spray plate 4 is disposed between the shower head main body 2 and the shower head main body cover 7 so as to cover the main body opening 9. Further, the water spray plate 4 is exposed to the outside in the cover opening 8 of the shower head body cover 7, and forms a water discharge surface in a region inside the cover opening 8. The water spray plate 4 forms a curved surface curved in a substantially arc shape with a large curvature radius in the portion covering the main body opening 9, and is otherwise in a substantially arc shape with a small curvature radius along the shape of the outer periphery of the shower head body 2. It is elastically deformed. The water spray plate 4 forms a curved surface that is elastically deformed as will be described later, in a surface region inside the main body opening 9. The water spray plate 4 is arranged so as to be slidable in the circumferential direction with respect to the shower head main body 2 and the shower head main body cover 7. That is, the water spray plate 4 can also slide relative to the cover opening 8 and the main body opening 9. The water spray plate 4 is made of a material that enables the water spray plate 4 to be elastically deformed. In the present embodiment, the water spray plate 4 is made of thin stainless steel having a thickness of about 0.1 mm.

As shown in FIG. 4, when the water spray plate 4 is deployed, the water spray plate 4 has a plurality of water spray holes 22 arranged in a row at predetermined intervals in both the row direction and the column direction. The water spray holes 22 are arranged so that the diameter of the water spray holes 22 gradually increases from one end to the diameter of the water spray holes 22, and the water spray holes 22 have the same diameter in the row direction. In this manner, since the plurality of different water spray holes 22 are arranged in the water spray plate 4, the water spray holes 22 having different diameters appear on the water discharge surface outside the cover opening 9 as the water spray plate 4 is slid. Thus, the water discharge form can be switched.
When water is discharged from the sprinkling hole 22 having a small hole diameter, water is discharged so that the user feels the water flow strongly. In the case of a watering hole having a large hole diameter, water is discharged so that the user feels the water flow weak (soft). The
Further, a packing 24 is disposed between the shower head main body 2 and the watering plate 4. The packing 24 is a seal member that seals between the shower head main body 2 and the water spray plate 4, and is disposed at the edge of the main body opening 9 of the shower head main body 2. The packing 24 is formed in a square shape that matches the edge shape of the opening of the main body opening 9. In the present embodiment, the main body opening 8 and the cover opening 9 are rectangular openings having substantially the same size and shape. In the present embodiment, since the packing 24 is disposed inside the water spray plate 4, the packing 24 is not required to have a complicated mounting structure and the packing 24 can be easily installed, compared to the case where the packing 24 is mounted outside the water spray plate 4. It has become.

The water spray plate slide mechanism 6 includes a ring-shaped portion 17a, a rod-shaped water spray plate engaging portion 17b extending from the ring-shaped portion 17a along the longitudinal direction of the shower head main body 2, and to which the water spray plate 4 is attached, Have The sprinkling plate slide mechanism 6 to which the sprinkling plate 4 is attached is disposed so that the annular portion 17a and the sprinkling plate 4 surround the tip of the shower head main body 2, and is rotatably attached to the shower head main body 2. . Furthermore, the water spray plate slide mechanism 6 has a stop mechanism (not shown) that stops the rotation of the water spray plate slide mechanism 6 when the knob portion 10 is rotated at a constant speed. When the user rotates the water spray plate slide mechanism 6 by rotating the knob portion 10 of the water spray plate slide mechanism 6, the water spray plate 4 attached thereto is slid and rotated around the shower head body 2. The part of the plate 4 that matches the main body opening 9 changes, and the form of water discharge can be changed.
In the present embodiment, the water discharge mode is switched by rotating the knob portion 10, but as a modification, the water spray plate may be slid by a mechanism such as that used in a knock-type ballpoint pen.
The shower head body cover 7 includes a semi-cylindrical opening cover 18 in which a cover opening 8 is formed, and a semi-cylindrical rear cover 20, and the upper part of the shower head body 2 on which the water spray plate 4 is disposed from the outside. Arranged to cover. The opening cover 18 and the rear cover 20 are arranged so as to sandwich the upper part of the shower head body 2 and are fixed to the shower head body 2 by four screws 21. A ring 23 is attached to the lower end of the shower head body cover 7. The shower head body cover 7 is formed in a hollow substantially cylindrical shape so as to wrap up the upper part of the substantially cylindrical shower head body 2. The cover opening 8 of the shower head main body cover 7 is positioned so as to be aligned with the main body opening 9 of the shower head main body 2, and a part of the water spray plate 4 is exposed from the cover opening 8 and the exposed water spray is exposed. Water is discharged from the water discharge surface of the plate 4.

Further, the shower head main body 2 is provided with a watering plate pressing portion 26. The water spray plate pressing portion 26 is arranged at substantially the center of the main body opening 9 and is configured to press the water spray plate 4 at the tip. The water spray plate pressing portion 26 includes a pressing portion cap 28, a pressing ball portion 30, a pressing ball support portion 32, and a spring 34. The pressing portion cap 28 is a hollow cylindrical member whose tip is partially opened in a circular shape, and houses the pressing ball portion 30, the pressing ball support portion 32, and the spring 34 therein. The pressing ball portion 30 is a ball-shaped member that forms the tip of the water spray plate pressing portion 26, and is a member that can contact and press the water spray plate 4. The pressing ball portion 30 may be a member other than the ball shape as long as it is a member that can slide smoothly while being in contact with the water spray plate 4 and being pressed. The pressing ball support portion 32 is a member that supports the pressing ball portion 30 and receives a pressing force by a spring 34. The spring 34 is configured to generate a biasing force that presses the pressing ball support portion 32 toward the outside of the main body opening 9.
As described above, the water spray plate pressing portion 26 is configured to press the water spray plate 4 outward by the pressing ball portion 30 at the tip of the water spray plate pressing portion 26. The water spray plate 4 is elastic so as to protrude outwardly from the substantially center of the cover opening 8 by receiving a pressing force toward the outside of the main body opening 9 by the urging force of the water spray plate pressing portion 26. Deformed. That is, the water spray plate 4 forms a curved surface that rises in the center and gently descends radially from the center. The size, shape, etc. of the elastically deformed bulge of the water spray plate 4 are the shape of the member constituting the water spray plate pressing portion 26, for example, the height of the pressing portion cap 28, and the diameter of the ball of the pressing ball portion 30. Further, adjustment is possible depending on the strength of the spring 34 and the like.

On the other hand, the water spray plate 4 is provided with a click recess 36. The click recess 36 is formed to engage with the pressing ball portion 30 at the tip of the water spray plate pressing portion 26 so that the sliding movement of the water spray plate 4 can be stopped at a predetermined position. In the present embodiment, the click recess 36 is also used as the water spray hole 22 provided in the water spray plate 4, and when the pressing ball portion 30 engages the water spray hole 22 from the back side of the water spray plate 4, The plate 4 is stopped. As a modification, a click recess may be formed on the back side of the water spray plate 4 so as to be aligned with the pressing ball portion 30 separately from the water spray hole 22.
The click recess 36 informs the user of the engagement between the click recess 36 and the pressing ball portion 30 sensibly, temporarily stops the sliding movement of the water spray plate 4 at an appropriate position, and stops at the engagement position. It can be made easy to maintain. The appropriate slide position stopped by the click recess 36 is set so that the water discharged from the water spray hole 22 does not hit the edge of the cover opening 8, and the water discharged is disturbed by the edge of the cover opening 8. Can be prevented.

Next, the operation of the shower head 1 according to the first embodiment of the present invention will be described.
The hot water supplied into the shower head main body 2 of the shower head 1 is guided to the main body opening 9 through the water passage 16. The hot water guided to the main body opening 9 is discharged from the sprinkling holes 22 of the water spray plate 4 aligned with the main body opening 9. When switching the water discharge mode, the user operates the knob portion 10 of the water spray plate slide mechanism 6 to slide the water spray plate 4. When the water spray plate 4 is stopped at a position where the pressing ball portion 30 of the water spray plate pressing portion 26 and the click recess 36 are engaged, the water spray plate 4 is positioned at an appropriate position.
When the water spray plate 4 is rotated, the portion that is curved with a small radius of curvature along the side surface of the shower head main body 2 is moved to a position that aligns with the main body opening 9 to form an arc with a large radius of curvature. Elastically deformed. When the water spray plate 4 is elastically deformed and given an appropriate curvature radius at a position aligned with the main body opening 9, the shower water discharged from the water spray holes 22 has an appropriate spread. Further, the central portion of the water spray plate 4 aligned with the main body opening 9 is pressed and raised from the back side by the water spray plate pressing portion 26. For this reason, the shower water discharge has an appropriate spread in the longitudinal direction of the shower head body 2.

Next, the effect of the shower head according to the first embodiment of the present invention will be described.
According to the shower head according to the first embodiment of the present invention described above, the user rotates and operates the knob portion 10 of the water spray plate slide mechanism 6 for the purpose of switching the water discharge mode. Since the water spray plate slide mechanism 6 is engaged with the water spray plate 4, the user slides the elastically deformable water spray plate 4 provided with a plurality of water spray holes 22 while elastically deforming the shower main body 2. be able to.
Since the water spray plate 4 is disposed so as to cover the main body opening 9 of the shower head main body 2, when the water spray plate 4 is slid, the water spray plate 4 is relative to the main body opening 9 of the shower head main body 2. Move the slide. In other words, by sliding, the plurality of water spray holes 22 of the water spray plate 4 move relative to the main body opening 9 of the shower head main body 2, and the plurality of different water spray holes 22 become the main body opening. 9 is arranged at a position aligned with 9. In this way, by the sliding movement of the water spray plate 4, the water spray holes 22 that are aligned with the main body opening 9 among the plurality of water spray holes 22 provided in the water spray plate 4 are arranged so as to cover the main body opening 9. Since the water spray plate 4 is formed with a plurality of different water spray holes 22 capable of discharging a predetermined water discharge form, the water spray plate 4 is moved relative to the shower head main body 2 while being elastically deformed, and the main body opening 9 The user can switch the water discharge form by discharging hot water from the sprinkling holes 22 that can be switched in accordance with the water discharge form.
Therefore, the user can switch the water discharge form by moving the water spray plate slide mechanism 6, and can switch the water discharge form according to the optimum bathing comfort that changes slightly depending on the physical condition of the user.
Further, the water spray plate 4 forms a water discharge surface that is elastically deformed by the main body opening 9 by elastically deforming the water spray plate 4. Although the water spray plate 4 is arranged along the shape of the shower head main body 2, the shower head main body 2 has the main body opening 9, so that the water spray plate 4 covering the main body opening 9 is elastically deformed. A gentle curved surface is formed. The water spray plate 4 that forms a gently curved surface that is elastically deformed has a plurality of water spray holes 22 that discharge water in a direction perpendicular to the gently curved surface. Therefore, the water spray plate 4 does not form a water discharge range in which the water discharge surface of the water spray plate 4 is formed in a flat surface and the water discharge from the water spray plate 4 is in a substantially linear direction, and the water discharge surface of the water spray plate 4 is substantially cylindrical. It is possible to form a shower head having a moderately wide water discharge range that does not form a water discharge range in which the water discharged from the water spray plate 4 spreads in the substantially cylindrical outer direction.

  According to the shower head according to the first embodiment of the present invention, the water spray plate 4 is disposed between the shower head main body 2 and the shower head main body cover 7 disposed outside the shower head main body 2. Slide along the shape of 2. Since the shower head main body cover 7 is provided with the cover opening part 8 which exposes a part of the water spray plate 4, the portion of the water spray plate 4 where water is not discharged can be covered and the appearance of the shower head can be improved. be able to.

  The shower head according to the first embodiment of the present invention further includes the sealing member 24 that is disposed between the shower head main body 2 and the water spray plate 4 and seals between the shower head main body 2 and the water spray plate 4. Since there is no complicated structure for sealing the water spray plate 4 between the water spray plate 4 and the cover opening 8, the water spray plate 4 is sealed between the shower head body 2 and the water spray plate 4 with a simple structure. be able to.

  According to the shower head according to the first embodiment of the present invention, the shower head main body 2 further includes the water spray plate pressing portion 26 that presses the water spray plate 4 at the tip at substantially the center of the main body opening 9. Accordingly, the elastically deformable water spray plate 4 arranged so as to cover the main body opening 9 is pressed at the substantially center of the main body opening 9 by the water spray plate pressing portion 26, and the pressed portion is raised at the center. A water discharge surface that is elastically deformed so as to rise is formed in the main body opening 9. The water spray plate 4 can perform water discharge spreading in a direction perpendicular to the sliding direction of the water spray plate 4 in accordance with the elastically deformed water discharge surface. Therefore, the water spray plate 4 can form a shower head having an appropriate water discharge range in which the water discharged from the water spray plate 4 does not become too straight in the vertical direction and does not spread too much.

  According to the shower head according to the first embodiment of the present invention, the water spray plate 4 slides the water spray plate 4 by the engagement between the tip of the water spray plate pressing portion 26 and the click recess 36, and the water spray hole 22 covers the cover opening 8. Can be stopped at the position where it matches. Therefore, since the water spray plate 4 is stopped at a position where the edge of the cover opening 8 is not in the water discharge direction of the water spray hole 22 and is aligned with the cover opening 8, the water spray plate 4 is opened in the water discharge direction of the water spray hole 22. It is possible to prevent the hot water discharged from being stopped at a position where the edge of the portion 8 is located and being spilled on the edge of the cover opening portion 8 and becoming disturbed water discharge.

  According to the shower head according to the first embodiment of the present invention, since the water spray hole 22 functions as the click recess 36, it is not necessary to newly form the click recess 36 in the water spray plate 4. The function can be realized.

Next, a shower head structure according to a second embodiment of the present invention will be described with reference to FIGS.
FIG. 6 is a perspective view showing a shower head according to the second embodiment of the present invention, and FIG. 7 is an exploded view of the shower head according to the second embodiment of the present invention. Since the structure of the shower head according to the second embodiment is substantially the same as that of the first embodiment described above, only the parts of the second embodiment different from the first embodiment will be described here.

As shown in FIGS. 6 and 7, the shower head 101 includes a shower head main body 102 for discharging hot water, a water spray plate 104, a water spray plate slide mechanism 106 for switching the water discharge form, and a shower head main body cover 107.
The shower head 101 has a substantially oval shape, and includes a rectangular cover opening 108 along a substantially straight portion of a side surface of the oval shape. The cover opening 108 is formed in a substantially rectangular shape in the plane of the side surface of the oval shape, but may be an opening on the circumferential curved portion of the oval shape.
The shower head main body cover 107 is formed with a cover opening 108, and is a substantially semi-cylindrical opening that can sandwich and cover the upper and lower cylindrical portions of the shower head main body 102. A cover 118 and a rear cover 120 having a substantially semi-cylindrical shape are provided.

  The sprinkling plate 104 has a plurality of holes 138 in the upper and lower portions of the sprinkling plate 104, one row in the vicinity of the upper end and the lower end thereof so that the first rotation shaft portion 142 and the second rotation shaft portion 144 can be engaged while rotating. Have side by side. The water spray plate 104 is formed by annularly joining the water spray plates 104 having a long length in accordance with the circumferential length of the substantially oval shape of the shower head main body 102.

The water spray plate slide mechanism 106 is disposed on the top of the shower head main body 102 so that the water spray plate 104 can be slid and rotated.
The water spray plate slide mechanism 106 includes a knob portion 110, a knob rotation shaft portion 111, a first rotation shaft portion 142, and a second rotation shaft portion 144.
The knob portion 110 is disposed on the upper portion of the shower head main body 102 and can be rotated by the user. The knob rotation shaft portion 111 rotates in conjunction with the knob portion 110, and rotates and engages with the first rotation shaft portion 142 and the second rotation shaft portion 144 inside the shower head body cover 107. Gear teeth are provided on the circumference to make it possible. The first rotating shaft portion 142 and the second rotating shaft portion 144 are configured to rotate in conjunction with each other via the knob rotating shaft portion 111 and the water spray plate 104.

The first rotating shaft portion 142 includes a first upper gear 146 and a first lower gear 148. The first upper gear 146 is formed integrally with rotating gear teeth that engage with the gear teeth of the knob rotating shaft portion 111 and feed gear teeth that feed the water spray plate 104. The first rotating shaft portion 142 is rotatably attached to the shower head main body 102 and is rotated by engaging with the knob rotating shaft portion 111. Further, the feed gear teeth of the first upper gear 146 are formed in a form having a substantially hemispherical top. The feed gear teeth engage with a plurality of holes 138 provided in a line at the top of the water spray plate 104 so that the water spray plate 104 can be fed.
Further, the first lower gear 148 is provided with only feed gear teeth that engage with the water spray plate 104. The feed gear teeth of the first lower gear 148 engage with a plurality of holes 138 provided in a line at the lower part of the water spray plate 104 so that the water spray plate 104 can be fed. Since the first upper gear 146 and the first lower gear 148 are installed at both ends of the common first shaft 147, the first upper gear 146 and the first lower gear 148 are formed to perform the same rotational movement in conjunction with each other. You may provide the feed gear tooth which sends the watering board 104 only in the upper part or the lower part of a watering board.
In this way, the first upper gear 146 and the first lower gear 148 of the first rotating shaft portion 142 are engaged with the water spray plate, and the water spray plate 104 is rotated while the first rotating shaft portion 142 is rotated. Slide it against.
The second rotation shaft portion 144 is rotatably attached to the shower head main body 102 and includes a second upper gear 150 and a second lower gear 152. Since the configuration of the second rotating shaft portion 144 is the same as that of the first rotating shaft portion 142, description thereof is omitted.

The first rotating shaft portion 142 and the second rotating shaft portion 144 are arranged in parallel with the axis line parallel to each other, and have substantially the same length as the vertical direction of the watering plate.
The first upper gear 146 and the second upper gear 150 are configured to rotate in conjunction with each other in a state in which the first upper gear 146 and the second hole 138 in the upper row of the water spray plate 104 are simultaneously engaged with different holes. The first lower gear 148 and the second lower gear 152 are configured to rotate in conjunction with each other while being engaged with a plurality of different holes in the row of holes 138 in the lower part of the water spray plate 104 at the same time.
Therefore, when the knob rotation shaft portion 111 is rotated, the first rotation shaft portion 142 and the second rotation shaft portion 144 are rotated, and at the same time, the four gears 146, 148, 150 and 152 are engaged with the water spray plate 104. Since the water spray plate 104 is slid in the same direction with respect to the shower head body 102 by rotating in the same direction, the user can slide the water spray plate 104 with a weak force.

Furthermore, the water spray plate slide mechanism 106 has a stop mechanism (not shown) that stops the rotation of the water spray plate slide mechanism 106 when the knob portion 110 is rotated at a constant speed.
The water spray plate 104 is slid with respect to the shower head main body 102 while being elastically deformed, and the water spray hole that is aligned with the main body opening 109 of the shower head main body 102 among the plurality of water spray holes 122 provided in the water spray plate 104 By discharging hot water from 122, the form of water discharge from the water spray holes 122 can be switched.

As shown in FIG. 7, the water spray plate 104 is arranged between the shower head main body cover 107 and the shower head main body 102 in the order of the shower head main body cover 107, the water spray plate 104, the packing 124, and the shower head main body 102 from the outside. .
The packing 124 is formed in a hollow rectangular shape that matches the edge shape of the opening of the main body opening 109 and the cover opening 108. Since the water spray plate 104 receives a pressing force toward the outside of the cover opening 108 by the water spray plate pressing portion 126, the water spray plate 104 is placed outside in the substantially flat cover opening 108 around the substantially center of the cover opening 108. It is elastically deformed so as to protrude into a convex shape.

The water spray plate 104 engages with the press ball portion 130 at the tip of the water spray plate pressing portion 126 to stop the sliding movement of the water spray plate 104 at a position where the water spray hole 122 is aligned with the cover opening 108. Prepare. In the present embodiment, the click recess 136 is also used as the water spray hole 122.
When the click recess 136 is engaged with the pressing ball portion 130, the user who rotates the knob portion 110 is informed of the engagement between the click recess 136 and the pressing ball portion 130 as a hand sensation. it can. Therefore, the user can stop the sliding movement of the water spray plate 104 at a position where the water spray hole 122 is aligned with the opening 108 in accordance with the sense of the operating hand. Further, since the click recess 136 is engaged with the pressing ball portion 130, the sliding movement of the water spray plate 104 is temporarily stopped at the engagement position, or is easily maintained while stopped at the engagement position. be able to.

Next, functions and effects of the shower head according to the second embodiment of the present invention described above will be described.
According to the shower head according to the second embodiment of the present invention, the water spray plate slide mechanism 106 is rotatably attached to the shower head main body 102 and engages with the water spray plate 104 so that the water spray plate 104 is showered while rotating. A first rotary shaft 142 that is slid with respect to the head main body 102, is rotatably attached to the shower head main body 102, rotates in conjunction with the first rotary shaft 142, and engages the water spray plate 104. Since it has the 2nd rotating shaft part 144 which slides the water spray board 104 with respect to the shower head main body 102, rotating, the knob rotating shaft part 111 linked with the 1st rotating shaft part 142 or the 1st rotating shaft part 142 is provided. Further, the first rotating shaft portion 142 and the second rotating shaft portion 144 can be rotated in conjunction with each other by operating the knob portion 110 with a weak force. Accordingly, since the first rotating shaft portion 142 and the second rotating shaft portion 144 rotate in conjunction with each other with a weak force, the water spray plate 104 can be slid with respect to the shower head main body 102 with a weak force. .

Next, a shower head structure according to a third embodiment of the present invention will be described with reference to FIG.
FIG. 8 is an exploded view of a shower head according to a third embodiment of the present invention. Since the structure of the shower head according to the third embodiment is substantially the same as that of the second embodiment described above, only the portions of the third embodiment that are different from the second embodiment will be described.

  As shown in FIG. 8, the shower head 201 includes a shower head main body 202 that discharges hot water, a water spray plate 204, and a water spray plate slide mechanism 206 that switches a water discharge mode.

  The sprinkling plate 204 has a plurality of holes 238 arranged in a row in the upper and lower portions of the sprinkling plate 204 so that the first rotating shaft portion 242 and the second rotating shaft portion 244 can engage with each other while rotating. According to the third embodiment, the sprinkling plate 204 is formed such that one end of the sprinkling plate 204 is fixed to the first rotating shaft portion 242 without joining both ends of the sprinkling plate 204 in an annular shape, and the other end of the sprinkling plate 204 is the second. It is fixed to the rotating shaft 244. In the above-described embodiment, the water spray plate is formed in an annular shape, but in this embodiment, the water spray plate 204 is configured to be wound around the first rotary shaft portion 242 and the second rotary shaft portion 244. ing.

The water spray plate slide mechanism 206 is a circular member arranged at the top of the shower head main body 202, and is capable of sliding and rotating the water spray plate 204. The spray plate slide mechanism 206 includes a knob portion 210, a knob rotation shaft portion 211, a first rotation shaft portion 242 and a second rotation shaft portion 244.
The knob portion 210 and the knob rotation shaft portion 211 are joined to the shower head main body 202 by screws 213, and the knob portion 210 and the knob rotation shaft portion 211 are formed so as to rotate together.
The first rotating shaft portion 242 includes a first upper gear 246, a first shaft 247, and a first lower gear 248.
The first rotating shaft portion 242 fixes one end of the water spray plate 204, and the first upper gear 246 and the first lower gear 248 of the first rotating shaft portion 242 are engaged with the water spray plate 204, The water spray plate 204 is slid with respect to the shower head main body 202 while being wound around or rewinding around the first rotation shaft portion 242 while rotating the rotation shaft portion 242. The first shaft 247 has a structure capable of fixing the end of the water spray plate 204 along the vertical groove 249.
The second rotating shaft portion 244 includes a second upper gear 250, a second shaft 251, and a second lower gear 252 (not shown).
The second rotating shaft portion 244 fixes the other end of the water spray plate 204, and the second upper gear 250 and the second lower gear 252 of the second rotating shaft portion 244 are engaged with the water spray plate 204 to perform the second rotation. The sprinkling plate 204 is slid with respect to the shower head main body 202 while being wound around or rewinding around the second rotation shaft portion 244 while rotating the shaft portion 244. The 2nd shaft 251 has a structure which can fix the edge part of the water spray board 204 along the groove | channel (not shown) of an up-down direction.
Accordingly, when the knob rotating shaft portion 211 is rotated, the first rotating shaft portion 242 and the second rotating shaft portion 244 rotate, and the water spray plate 204 is wound or unwound in the same direction together with the shower head main body 202. Therefore, the user can slide the water spray plate 204 with a weak force.

Further, the water spray plate slide mechanism 206 has a stop mechanism (not shown) that stops the rotation of the water spray plate slide mechanism 206 when the knob portion 210 is rotated at a constant speed. The stop mechanism can notify the user of the end of winding or rewinding.
The water spray plate 204 is slid with respect to the shower head main body 202 while being elastically deformed, and the water spray hole 222 aligned with the cover opening 208 of the shower head cover 14 among the plurality of water spray holes 222 provided in the water spray plate 204. By discharging hot water from the water outlet, the water discharge form from the water sprinkling holes 222 can be switched.

Next, functions and effects of the shower head according to the third embodiment of the present invention described above will be described.
According to the shower head according to the third embodiment of the present invention, one end of the water spray plate 204 is fixed, and the water spray plate 204 is wound or wound around the first rotation shaft portion 242 while being rotationally engaged with the water spray plate 204. The first rotating shaft part 242 that can be returned, the first rotating shaft part 242 and the axis line are arranged in parallel, the other end of the water spray plate 204 is fixed, and the second rotary shaft is rotatingly engaged with the water spray plate 204. The second rotating shaft portion 244 that can wind or unwind the water spray plate 204 around the portion 244 can slide the water spray plate 204 relative to the shower head main body 202. Therefore, the watering plate 204 is slid and moved from one end where the watering plate 204 is fixed to the other end where the watering plate 204 is fixed by winding or rewinding. Accordingly, the user can slide the water spray plate 204 with respect to the shower head main body 202 while elastically deforming it, and discharge hot water from the water spray holes 222 that can be switched to the water discharge form in alignment with the main body opening 209, thereby allowing the user to discharge the water. Can be switched.
Therefore, the user can switch the water discharge form by moving the water spray plate slide mechanism 206, and can switch the water discharge form according to the optimum bathing comfort that changes slightly depending on the physical condition of the user.
Further, since the water spray plate 204 is elastically deformed to form a water discharge surface elastically deformed by the main body opening 209 and the cover opening 208, the water discharge from the water spray plate 204 does not become too straight and The shower head 201 having an appropriate water discharge range that does not spread too much can be formed.

DESCRIPTION OF SYMBOLS 1 Shower head 2 Shower head main body 4 Sprinkling plate 6 Sprinkling plate slide mechanism 7 Shower head main body cover 8 Cover opening part 9 Main body opening part 10 Knob part 16 Water passage 17 Sprinkling plate engaging part 18 Opening cover 20 Rear cover 22 Sprinkling hole 24 Packing 26 Sprinkling plate pressing portion 28 Pressing portion cap 30 Pressing ball portion 32 Pressing ball support portion 36 Click recess 101 Shower head 102 Shower head main body 104 Sprinkling plate 106 Sprinkling plate slide mechanism 107 Shower head main body cover 108 Cover opening 109 Main body opening Part 110 Knob part 111 Knob rotating shaft part 107 Shower head main body cover 118 Opening cover 120 Rear cover 124 Packing 126 Sprinkling plate pressing part 136 Click recess 138 Hole 142 First rotating shaft part 144 Second rotating shaft part 146 First top Gear 147 First shaft 148 First lower gear 150 Second upper gear 151 Second shaft 152 Second lower gear 201 Shower head 202 Shower head main body 204 Sprinkler plate 206 Sprinkler plate slide mechanism 208 Opening portion 210 Knob portion 211 Knob rotation shaft Portion 226 Sprinkling plate pressing portion 238 Hole 242 First rotation shaft portion 244 Second rotation shaft portion 246 First upper gear 247 First shaft 248 First lower gear 250 Second upper gear 251 Second shaft 252 Second lower gear

Claims (8)

A shower head capable of switching the water discharge form,
A shower head body provided with a water passage through which the supplied hot water flows, and a main body opening through which the hot water guided by the water passage flows out;
An elastically deformable water spray plate that is slidably arranged with respect to the shower head main body so as to cover the main body opening of the shower head main body, and is provided with a plurality of water spray holes,
The water spray plate is moved with respect to the shower head main body while being elastically deformed, and hot water is discharged from the water spray holes aligned with the main body opening among the plurality of water spray holes provided in the water spray plate. By the water spray plate slide mechanism for switching the water discharge form,
A shower head characterized by comprising:   Furthermore, it has a shower head main body cover provided with the cover opening part which is arrange | positioned on the outer side of the said shower head main body, and exposes a part of said water spray plate, The said water spray plate is the said shower head main body and the said shower head main body cover. The showerhead according to claim 1, wherein the showerhead is slid along the shape of the showerhead body. The spray plate slide mechanism is
A first rotary shaft that is rotatably attached to the shower head body, engages with the water spray plate, and slides the water spray plate relative to the shower head main body;
A second rotation that is rotatably attached to the shower head body, rotates in conjunction with the first rotating shaft, engages the water spray plate, and slides the water spray plate relative to the shower head main body. The shower head according to claim 2, comprising a shaft portion. One end of the watering plate is fixed to the first rotating shaft portion, and the watering plate is wound around the first rotating shaft portion while being rotationally engaged with the watering plate,
The second rotating shaft portion is arranged in parallel with the first rotating shaft portion, the other end of the watering plate is fixed, and the second rotating shaft is rotated and engaged with the watering plate. The shower head of Claim 3 which winds up the said watering board around a part.   Furthermore, the shower head of Claims 2 thru | or 4 which has a sealing member which is arrange | positioned between the said shower head main body and the said watering board, and seals between the said shower head main body and the said watering board.   Furthermore, the shower head of Claim 2 thru | or 5 which has a watering board press part which presses the said watering board at the substantially center of the said main body opening part, and elastically deforms the said watering board so that a center may rise.   The shower head according to claim 6, wherein the watering plate includes a click concave portion that engages with a tip of the watering plate pressing portion so that the sliding of the watering plate is stopped at a predetermined position.   The shower head according to claim 7, wherein the water spray hole functions as the click recess.

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