JP5344370B2 - shower head - Google Patents

Description

  The present invention relates to a shower head used as a part of hot water supply equipment in a bathroom, a bathroom vanity or a sink.

  Conventionally, various showerheads having various shapes and structures have been proposed. As a showerhead, for example, there is a “showerhead” described in Patent Document 1 as shown in FIG. The shower head 90 is formed of an elastic material, and is the same as the watering nipple 91n for inserting a plurality of watering nipples 91n through which the watering nipples 91n for discharging hot water protrude from the surface 91a and the watering nipples 91n, respectively. A watering case 92 having a plurality of watering holes 92h opened in phase. And the surface 91a of the water spray plate 91 arrange | positioned inside the shower head 90 is pressed against the back surface 92r of the water spray case 92, and the water spray nipple 91n is each protruded from the water spray hole 92h of the water spray case 92. .

JP 2008-12413 A

In Patent Document 1, the watering case 92 of the shower head 90 is used for the purpose of reducing the impact received by the main body of the shower head 90 when the shower head 90 is accidentally dropped during the shower, and the design requirements. The surface 92a is formed in a convex curved surface having a relatively large curvature. In this case, if the curvature is increased while keeping the thickness of the entire watering case 92 uniform, the back surface 92r of the watering case 92 also has a concave curved surface shape. The curvature indicates the degree of curvature of the curved surface, and the curvature increases as the curvature increases.

    Accordingly, when the flat water spray plate 91 is pressed against the back surface 92r of the water spray case 92, the water spray plate 91 is deformed along the concave curved surface shape of the back surface 92r. You can get a watering condition. On the other hand, regarding the material and surface shape of the watering case, various shapes are required from the viewpoint of design and the like, and a flat watering case is known as one of the shapes. In the case of a flat water spray case, the back surface of the water spray case is formed into a concave curved surface, the flat water spray plate is pressed against the back surface of the water spray case, and the water spray plate is deformed along the concave curved surface shape on the back surface to obtain a desired shape. It is possible to obtain a watering state having a watering direction. Further, as a material for the watering case, a watering case formed of a rigid material such as a metal instead of an elastic material is known.

  Similarly, in the case of a watering case made of a rigid material, the surface shape of the watering case is not limited to a convex curved surface and a flat shape, but the back surface of the watering case is a concave curved surface, and the flat watering plate is connected to the back surface of the watering case. By being pressed against the water, a watering state having a desired watering direction can be obtained. However, when the water spray case is a rigid body and has a concave curved surface shape, it is difficult to finish to a predetermined dimension with high accuracy, so the rigid body portion and the elastic body cannot contact with a uniform surface pressure, and the water spray case and There was a risk of water leaking from between the watering plates. In that case, the problem that the required watering range could not be obtained had arisen. In addition, for such a problem, it is conceivable to increase the processing accuracy of the watering case, but in the case of a rigid body, particularly a metal, if the processing accuracy is increased, the cost becomes very high.

  The problem to be solved by the present invention is to provide a shower head using a water spray case formed of a rigid material having a desired water spray range and high sealing performance at the contact portion between the water spray plate and the water spray case. It is in.

The present invention provides a shower head having a water discharge portion for discharging hot water and a water supply port portion for supplying water from the outside, wherein the water discharge portion has a plurality of water spray nipples having water passage holes for discharging hot water. A watering plate formed on the surface and made of an elastic body, and a watering case made of a rigid body having a plurality of watering holes that are arranged in contact with the surface of the watering plate and through which the watering nipples are respectively inserted. The plurality of watering nipples protrude from the plurality of watering holes by pressing the surface of the watering plate against the back surface of the watering case, and the hot water supplied from the back side of the watering plate is the watering nipple. a showerhead discharged from, in a state where the water supply port unit was upright shower head facing downward, vertical surface of the water spray plate , Has become a concave shape, the back of the watering casing is characterized by both a horizontal direction orthogonal to the vertical direction and the vertical direction is flat shape.

  With such a configuration, the vertical direction of the surface of the watering plate has a concave shape, and the back surface of the watering case has a flat shape instead of a concave shape or a convex shape in both the vertical direction and the horizontal direction. It can have a desired watering range in the vertical direction, and when the watering plate is pressed against the back of the watering case, the surface of the watering plate can be firmly in contact with the back of the watering plate, resulting in a problem in sealing performance. There is no.

Further, the present invention provides a shower head provided with a water discharge part for discharging hot water and a water supply port part for supplying water from the outside, wherein the water discharge part has a plurality of water sprays having water passage holes for discharging hot water. A water spray plate having a nipple formed on the surface, a water spray plate made of an elastic body, a water spray plate made of a rigid body, arranged in contact with the surface of the water spray plate, and having a plurality of water spray holes through which the water spray nipples are respectively inserted. A case, and by pressing the surface of the watering plate against the back surface of the watering case, the watering nipples protrude from the watering holes, and the hot water supplied from the back side of the watering plate is a showerhead ejected from water spray nipple, in an upright position the shower head facing down the water supply port portion, the lead surface of the water spray plate Horizontally orthogonal to the direction, has become concave, back surface of the water spray casing is characterized by both a horizontal direction orthogonal to the vertical direction and the vertical direction is flat shape.

  With such a configuration, the horizontal direction of the surface of the watering plate has a concave shape, and the back surface of the watering case has a flat shape instead of a concave shape or a convex shape in both the vertical and horizontal directions. It can have a desired watering range in the horizontal direction, and when the watering plate is pressed against the back of the watering case, the surface of the watering plate can be firmly in contact with the back of the watering plate, resulting in a problem in sealing performance. There is no.

Further, the present invention provides a shower head provided with a water discharge part for discharging hot water and a water supply port part for supplying water from the outside, wherein the water discharge part has a plurality of water sprays having water passage holes for discharging hot water. A water spray plate having a nipple formed on the surface, a water spray plate made of an elastic body, a water spray plate made of a rigid body, arranged in contact with the surface of the water spray plate, and having a plurality of water spray holes through which the water spray nipples are respectively inserted. A case, and by pressing the surface of the watering plate against the back surface of the watering case, the watering nipples protrude from the watering holes, and the hot water supplied from the back side of the watering plate is a showerhead ejected from water spray nipple, in an upright position the shower head facing down the water supply port portion, the lead surface of the water spray plate Horizontally orthogonal to the direction and the vertical direction is adapted to the concave shape, the back of the watering casing is characterized by both a horizontal direction orthogonal to the vertical direction and the vertical direction is flat shape.

  With such a configuration, the vertical and horizontal directions of the surface of the watering plate are concave, and the back surface of the watering case is flat instead of concave or convex in both the vertical and horizontal directions. Therefore, it is possible to have a desired watering range in both the vertical and horizontal directions, and when the watering plate is pressed against the back of the watering case, the surface of the watering plate can be firmly in contact with the back of the watering plate, and the seal There is no problem with sex.

  The rigid body referred to here refers to a metal material or a material such as a hard plastic such as POM, ABS, or PP.

  The elastic body referred to here is a material having an elastic function such as silicon rubber or TPE.

  According to the present invention, it is possible to provide a shower head having a desired watering range and having high sealing performance at a contact portion between a watering plate and a watering case.

It is a perspective view which shows the shower head which is 1st Embodiment of this invention. It is a disassembled perspective view of the shower head shown in FIG. It is a figure which shows a watering case. It is a figure which shows a watering plate. It is a figure which shows a watering plate holding | suppressing. It is sectional drawing which showed the cross section of AA in FIG. It is sectional drawing which shows the conventional shower head.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is a perspective view showing a shower head according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the shower head shown in FIG. 1, FIG. 3 is a view showing a watering case, and FIG. 4 is a view showing a watering plate. FIG. 6 is a cross-sectional view showing cross sections A to A in FIG.

  As shown in FIGS. 1 and 2, the shower head 1 of the present invention includes a water discharge unit 10 that mainly discharges hot water, a cover 20 as an outer shell, a cap 30 provided at the tip of the cover 20, and an interior of the cover 20. It is comprised from the water supply port part 50 provided with the connection member 40 as a water flow path provided, and the water supply port member 52 which supplies hot water to the connection member 40. As shown in FIG.

  The water discharge unit 10 includes a watering case 12, a watering plate 13, a watering plate presser 14, and a packing 15, and these members are fixed to the connecting member 40 using screws 11.

As shown in FIG. 3, the watering case 12 has a substantially flat plate shape using a resin material or a metal material. An opening hole 12d of a watering case for inserting the screw 11 is provided at the center, and a watering hole 12e having substantially the same hole diameter is provided at a predetermined phase around the opening hole 12d.
The watering hole 12e is for inserting a plurality of watering nipples 13e, which will be described later, the hole diameter on the surface 12a side of the watering case is substantially the same as the outer diameter of the watering nipple 13e, and the diameter of the watering hole 12e is increased. The angle is set in consideration of workability when the watering nipple 13e is inserted, and is provided so as to enlarge the central axis of the watering hole 12e symmetrically.
Further, on the bottom surface 12b side of the watering case, a rib 12f is provided so as to surround the watering hole 12e, and a watering plate accommodating portion 12g for accommodating the watering plate 13 is provided. In the case where the bottom surface 12b is a rigid body and has a curved surface shape, it tends to be uneven in some places in cutting, and it is difficult to finish the curved surface shape as a whole as a whole. Similarly, a hard plastic is possible, but since it shrinks after molding, it is difficult to control the curved surface. Therefore, the vertical and horizontal directions are formed in a flat shape in consideration of improving the sealing performance and facilitating processing and molding control. In addition, a rib 12h is provided in the periphery of the opening hole 12d so as to have a convex shape slightly higher than the bottom surface 12b, and a thickness necessary for incorporating the screw 11 is provided.
(Fig. 3 (b))

The watering plate 13 is a substantially flat plate using an elastic material such as silicon rubber or TPE, and is formed so as to be accommodated in the watering plate accommodating portion 12g.
The back surface 13b of the watering plate is formed in a flat shape, while the surface 13a of the watering plate has a concave shape in both the vertical direction and the horizontal direction shown in FIG.
Further, the surface 13a is provided with the same number of watering nipples 13e as the watering holes 12e having watering holes 13d of the watering plate for discharging hot water, and projecting along the horizontal direction and the vertical direction. .
The protruding length of the watering nipple 13e is formed so that the length protruding from the surface 12a of the watering case is substantially the same. By making the surface 13a concave in both the vertical and horizontal directions, when the water spray plate is pressed against the bottom surface 12b of the water spray case, the water spray nipple 13e has a phase both in the vertical and horizontal directions due to the concave curvature. In the vertical direction, the phase angle is increased by α, and as a result, the watering range from the center is expanded to 13f. As the curvature of the concave shape increases, α increases. By utilizing this, there exists an effect which can be set to the desired watering range. Moreover, it is the substantially same diameter as the rib 12h of the watering case 12 can be penetrated, and the opening hole 13c of the watering plate is provided in the center part.

The watering plate holder 14 is made of a hard plastic resin material such as POM, ABS, PP, etc., and has an external appearance of a substantially square shape. By removing the surface 14a of the water spray plate against the back surface 13b of the water spray plate, when removing impurities such as calcium, the water spray nipple 13e is pushed or the water spray plate 13 is prevented from moving easily due to water pressure during water discharge. It has a role to maintain good watering conditions.
In order to secure a water passage in the vertical direction of the opening hole 14e and the opening hole 14e of the watering plate presser, which is substantially the same as the opening hole 13c of the watering plate, for inserting the screw 11 in the center of the surface 14a. A water passage hole 14d for holding the watering plate is provided. Also, the water passage hole 14d is provided in the horizontal direction in the left-right direction, so that hot water supplied to the shower head 1 passes through the water passage hole 14d from the water supply port member 52 and the connecting member 40. Water is discharged from the watering nipple 13e.
In addition, wall surfaces 14c of the water spray plate presser are provided on the left, right, and lower sides of the surface 14a, and a cutout portion 14f that engages with the connecting member 40 is provided in each of the wall surfaces 14c. 14 is positioned with respect to the connecting member 40, and the bottom surface 14b of the water spray plate press is in contact with the bottom surface 40b of the connecting member.
In the present embodiment, the surface 14a of the watering plate presser is curved, but if this is made flat, the thickness of the surface 13a and the bottom surface 13b of the watering plate can be made uniform.

  The packing 15 is provided in order to have a sealing function between the case presser 14 and the connecting member 40, and is formed in a substantially square shape.

  The cover 20 has a substantially prismatic shape using a thermoplastic resin or a metal material, and the exterior portion 20b is plated to give gloss. Further, the tip of the cover 20 is provided with a convex portion 20c for attaching the cap 30 and an attachment groove 20d (FIG. 6). A cover opening 20 a is provided on the water supply port 50 side, and the inside of the cover 20 is hollow up to the tip side. Furthermore, a substantially square opening 20f for attaching the water discharger 10 is formed on the front surface 20e side of the cover.

  The cap 30 has a role to alleviate the impact received by the body of the shower head 1 against the fall of the shower head 1 so that the plated surface does not hit. The external shape is a substantially rectangular parallelepiped, and the inside is formed in a concave shape so as to cover the convex portion 20c of the cover 20, and further, a locking portion 30a for locking the cover 20 is provided in the concave shape. It has been.

  The water supply port 50 includes a water supply port packing 51, a water supply port member 52, and a screw 53. The water supply port packing 51 has a flat packing, and the water supply port member 52 has a substantially square shape. With the screw 53, the packing 51 of the water supply port portion and the water supply port member 52 are screwed and connected to the connecting member 40 in this order.

The connecting member 40 has a role of a hot water passage, and is incorporated in the cover 20 in order to save water and reduce the weight by reducing the water passage area. The connecting member 40 includes a water passage portion (not shown) having an outer diameter substantially equal to that of the water supply port member 52 of the water supply port portion 50 and a water discharge portion connection portion 40d for connecting the water discharge portion 10 described above. Have.
The rib 40e of the water discharger connection portion 40d is fitted with the notch portion 14f of the water spray plate retainer 14, and the bottom surface 14b of the water spray plate retainer is in contact with the bottom surface 40b of the connecting member.

The shower head 1 according to the first embodiment of the present invention composed of the parts as described above is assembled as follows.
First, the water discharger connecting portion 40d side of the connecting member 40 is inserted into the opening 20a of the cover. After the connecting member 40 is inserted to a predetermined position, the packing 51 of the water supply port portion and the water supply port member 52 are assembled in this order, and then the connection member 40 to the water supply port member 52 are screwed together using the screws 53 to be integrated with the cover. Make it.
Next, the packing 15 is disposed in the water discharge portion connecting portion 40d of the connecting member 40 looking through the opening 20f provided in the cover 20, and the notch portion 14f of the water spray plate retainer 14 and the rib 40e of the connecting member 40 are fitted. Arrange to match.
Then, after assembling the watering plate 13 and the watering case 12 in this order, the water discharging part 10 is attached to the cover 20 by screwing onto the water discharging part connecting part 40d from the surface 12a of the watering case using the screw 11. (Figure 2)
With this configuration, the water spray plate 13 is pressed against the back surface 13b from the water spray plate holder 14, and the front surface 13a is in contact with the bottom surface 12b of the water spray case, and has a concave curvature in both the vertical and horizontal directions. The watering nipple 13e provided with a has a phase in each of the vertical direction and the horizontal direction, the phase angle is increased by α in the vertical direction, and as a result, the watering range from the center is expanded to 13f. As the curvature of the concave shape increases, α increases. By using this, an effect that a desired watering range 13f can be set is obtained. In addition, if the watering case is rigid and the bottom surface 12b is concave or convex in both the vertical and horizontal directions, it tends to be uneven in some places during cutting, and it is difficult to finish it as a smooth curved surface as a whole. However, the flat shape facilitates processing and improves the sealing performance. (Fig. 6)

  The shower head of the present invention can be widely used in a shower head used as a part of hot water supply equipment in a bathroom, a bathroom vanity or a sink.

DESCRIPTION OF SYMBOLS 1 Shower head 10 Water discharging part 11 Screw 12 Sprinkling case 12a Sprinkling case surface 12b Sprinkling case bottom face 12d Sprinkling case opening hole 12e Sprinkling hole 12f Rib 12g Sprinkling plate accommodating part 12h Rib 13 Sprinkling plate 13a Sprinkling plate surface 13b Sprinkling plate Back surface 13c Sprinkling plate opening hole 13d Sprinkling plate water passage hole 13e Sprinkling nipple 13f Sprinkling range 14 Sprinkling plate holder 14a Sprinkling plate holder surface 14b Sprinkling plate holder bottom surface 14c Sprinkling plate holder wall surface 14d Sprinkling plate holder water passage Hole 14e Sprinkling plate holding hole 14f Notch 15 Packing 20 Cover 20a Cover opening 20b Appearance 20c Protruding 20d Mounting groove 20e Front 20f of cover Opening 30 Cap 30a Hanging Packing 52 water inlet member 53 screws on the bottom 40c inclined portion 40d water discharger connecting portion 40e rib 50 water supply port unit 51 the water inlet portion of the fit portion 40 connecting member 40b connecting member

Claims (3)

In a shower head provided with a water discharge part for discharging hot water and a water supply port part for supplying water from the outside,
The water spouting portion has a plurality of watering nipples having water passage holes for discharging hot water formed on the surface thereof, and is disposed in contact with the surface of the watering plate made of an elastic body and the watering plate. A plurality of water spray holes for inserting nipples, and a water spray case made of a rigid body,
By pressing the surface of the watering plate against the back surface of the watering case, the plurality of watering nipples protrude from the watering holes, and hot water supplied from the back side of the watering plate is discharged from the watering nipple. A shower head,
In the state where the shower head is erected with the water supply port facing down, the vertical direction of the surface of the watering plate is concave, and the back surface of the watering case is perpendicular to the vertical direction and the vertical direction. both the horizontal direction in which the shower head, which is a flat shape. In a shower head provided with a water discharge part for discharging hot water and a water supply port part for supplying water from the outside,
The water spouting portion has a plurality of watering nipples having water passage holes for discharging hot water formed on the surface thereof, and is disposed in contact with the surface of the watering plate made of an elastic body and the watering plate. A plurality of water spray holes for inserting nipples, and a water spray case made of a rigid body,
By pressing the surface of the watering plate against the back surface of the watering case, the plurality of watering nipples protrude from the watering holes, and hot water supplied from the back side of the watering plate is discharged from the watering nipple. A shower head,
In the state where the shower head is standing upright with the water supply port facing down, the horizontal direction perpendicular to the vertical direction of the surface of the watering plate is concave, and the back surface of the watering case is in the vertical direction. The shower head is also flat in the horizontal direction perpendicular to the vertical direction . In a shower head provided with a water discharge part for discharging hot water and a water supply port part for supplying water from the outside,
The water spouting portion has a plurality of watering nipples having water passage holes for discharging hot water formed on the surface thereof, and is disposed in contact with the surface of the watering plate made of an elastic body and the watering plate. A plurality of water spray holes for inserting nipples, and a water spray case made of a rigid body,
By pressing the surface of the watering plate against the back surface of the watering case, the plurality of watering nipples protrude from the watering holes, and hot water supplied from the back side of the watering plate is discharged from the watering nipple. A shower head,
In the state where the shower head is erected with the water supply port portion down, the vertical direction of the surface of the watering plate and the horizontal direction perpendicular to the vertical direction are concave, and the back surface of the watering case is A shower head characterized by having a flat shape in both the vertical direction and the horizontal direction perpendicular to the vertical direction .

Images