JP6418904B2 - shower head - Google Patents

Description

  The present invention relates to a shower head applicable to, for example, a bathroom shower device or a kitchen shower device.

  With respect to the shower head, as shown in FIG. 4, a technique is provided in which a handle portion 52 and an air inlet 53 are provided in a handle portion 51, and microbubbles are mixed into hot water flowing through a water passage 54 in the shower head by a venturi effect. Is known (see, for example, Patent Document 1). And, it is known that the function of washing the body and the like is improved by mixing the microvalve into the hot water discharged from the shower head.

JP 2006-239106 A

  However, in the above shower head, in order to increase the flow rate of the hot water passing through the flow restrictor 52, it is necessary to increase the opening area of the shower hole provided in the shower plate on the downstream side. There is a risk that the momentum of the hot water will be weakened and it will be difficult to realize appropriate shower water discharge.

The present invention has been made in consideration of the above-described matters, and an object of the present invention is to provide a shower head capable of reliably mixing microbubbles in hot water without impairing the momentum of shower water discharge.

In order to achieve the above object, a shower head according to the present invention includes a watering part having a plurality of watering openings on the surface,
A sprinkling channel extending through the sprinkling portion and continuing to the sprinkling opening;
A flow path restriction provided in the watering flow path;
An air introduction path branched and connected to the downstream side of the flow restrictor in the sprinkling flow path,
The air introduction path is continuous with an air introduction opening formed on the surface of the water sprinkling part,
While the amount of protrusion in the direction of water discharge on the surface of the watering part is configured to be non-uniform ,
As the watering opening, a bubble water discharge opening for discharging bubble water mixed with air from the air introduction path, and a non-bubble water discharge for discharging non-valve water not mixed with the air An opening is provided,
Furthermore, the watering part
The bubble water discharge opening, the air introduction passage, and the central portion provided with the air introduction opening, and the peripheral portion provided with the non-bubble water discharge opening and not provided with the air introduction passage and the air introduction opening. It is configured to be separable,
The central part is detachable from the peripheral part (Claim 1).

  In the shower head, the surface of the water spray part is formed in a stepped shape, the water spray opening is opened toward the water discharge direction, and the air introduction opening is opened toward a direction different from the water discharge direction. (Claim 2).

In the shower head, the peripheral portion may be configured to be detachable from the shower head .

  In this invention, the shower head which can mix a micro bubble reliably in discharged water is obtained, without impairing the momentum of shower discharged water.

That is, in the shower head of the invention according to each claim of the present application, it is possible to provide a flow passage restrictor for generating microbubbles and an air introduction path in the vicinity of a watering opening at a position where air is immediately released. Therefore, it is possible to increase the flow velocity of the water passing through the flow restrictor without worrying about an increase in internal pressure. Therefore, when generating microbubbles, the momentum of shower water discharge is not impaired. And while ensuring a normal shower feeling, a micro bubble feeling can be obtained, and also maintenance and assembly of each part of a sprinkling part can be performed easily.

  In the shower head according to the second aspect of the present invention, if the air introduction path is composed of only a straight portion or is made relatively short, cleaning for removing scales and the like clogged in the air introduction path is facilitated. Is possible.

(A) is a longitudinal cross-sectional view which shows schematically the structure of the shower head which concerns on one embodiment of this invention, (B) is a bottom view which shows schematically the structure of the principal part of the said shower head. It is a longitudinal cross-sectional view which expands and shows the site | part enclosed with the frame in FIG. 1 (A). (A)-(C) are longitudinal cross-sectional views which show schematically the structure of the principal part of the modification of the said different shower head, respectively. It is explanatory drawing which shows the structure of the conventional shower head roughly.

  Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIG. 1A, the shower head 1 according to the present embodiment includes a watering plate (an example of a watering part) 2 that detachably covers the downstream opening 1A. As shown in FIG. 2B, the water spray plate 2 has a plurality of water spray openings 3 (bubble water discharge openings 3A and non-bubble water discharge openings 3B) on the surface. The water spray channel 4 extending through the water spray plate 2 is continuous.

  Here, the water spray plate 2 has a substantially circular shape when viewed from the bottom, and is configured to be separable into a peripheral portion 5 and a central portion 6, and the peripheral portion 5 is configured to be detachable from the shower head 1. As shown in FIG. 2, a through hole 7 is formed at the center of the peripheral edge 5, and an inner flange 8 surrounding the through hole 7 has a cylindrical shape extending toward the inner side (back side) of the shower head 1. The holding cylinder 9 is connected.

  On the other hand, the central portion 6 is configured to be able to be inserted into the through hole 7 of the peripheral edge portion 5 from the inside (back side) of the shower head 1, and in such a state, is in watertight contact with the holding cylinder 9, And it is comprised so that it may latch on the inner flange 8. FIG.

  The central portion 6 includes a flow restrictor (Venturi tube portion) 10 provided in the sprinkling flow path 4, and an air introduction path 11 branched and connected to the downstream side of the flow restrictor 10 in the sprinkling flow path 4. The air introduction path 11 is continuous to the air introduction opening 12 formed on the surface of the central portion 6 (sprinkling plate 2).

  And the amount of protrusion of the surface of the center part 6 in the water discharge direction so that air can be smoothly introduced from each air introduction opening 12 to the water spray channel 4 in the center part 6 through the air introduction path 11. The air introduction openings 12 are configured to be separated from the water spray openings 3 (bubble water discharge openings 3A and non-bubble water discharge openings 3B) and other air introduction openings 12. .

  Specifically, the surface of the central portion 6 is formed in a step shape that protrudes toward the water discharge direction toward the center side, and a watering opening 3 (bubble water discharge opening 3A) and an air introduction opening 12 are provided in each step. The water spray opening 3 (bubble water discharge opening 3A) opens toward the front (water discharge direction), and the air introduction opening 12 opens toward the side (direction different from the water discharge direction).

  In the shower head 1 having the above-described configuration, the air from the air introduction opening 12 is microscopically introduced into the water (which may be hot water) that has passed through the flow restrictor 10 of the sprinkling flow path 4 in the central portion 6 by the venturi effect. It becomes the state mixed as a bubble, and it discharges from each opening 3 (water bubble discharge opening 3A) of the center part 6 in the state. Needless to say, micro-bubbles are not mixed in the water discharged from the water spray opening 3 (non-bubble water discharge opening 3B) in the peripheral portion 5.

  In the shower head 1, the water spray opening 3 (bubble water discharge opening 3 </ b> A) in the central portion 6 is in a position where the air is immediately released. It is possible to increase the flow rate of the water passing through the flow restrictor 10 by forming the flow restrictor 10 in the water flow path 4. Therefore, when generating micro bubbles, the momentum of shower water discharge is not impaired.

  Moreover, in this shower head 1, since the air introduction path 11 provided in the center part 6 can be comprised only by a linear part, or can be made comparatively short, it is for removing the scale etc. which were clogged in the air introduction path 11. It becomes possible to facilitate the cleaning.

  Furthermore, in this shower head 1, as the watering opening 3, the bubble water discharge opening 3 </ b> A for discharging bubble water mixed with air from the air introduction path 11 and the non-valve water not mixed with the air are used. Since the non-bubble water discharge opening 3B for discharging is provided, a micro bubble feeling can be obtained while ensuring a normal shower feeling.

  In addition, the water spray plate 2 of the shower head 1 has a non-bubble water discharge opening 3 </ b> B at a portion (central portion 6) where the bubble water discharge opening 3 </ b> A, the air introduction path 11 and the air introduction opening 12 are provided. Since it is detachably provided to a portion (peripheral portion 5) that is provided and not provided with the air introduction passage 11 and the air introduction opening 12, each of the peripheral portion 5 and the central portion 6 can be easily maintained and assembled. It can be carried out.

  In addition, this invention is not limited to said embodiment at all, Of course, it can change and implement variously in the range which does not deviate from the summary of this invention. For example, the following modifications can be given.

  In the said embodiment, although the ejector part which consists of the flow-path throttle part 10 and the air introduction path 11 is provided only with respect to the sprinkling flow path 4 of the center part 6, it is not restricted to this, The sprinkling flow of the peripheral part 5 An ejector portion may be provided also for the path 4, and the ejector portion may be provided only for the water spray channel 4 of the peripheral edge portion 5. Moreover, when providing an ejector part in the sprinkling flow path 4 of the center part 6 (or peripheral part 5), you may provide with respect to all the sprinkling flow paths 4 in the center part 6 (or peripheral part 5), You may make it provide only with respect to the one part sprinkling flow path 4. FIG.

  And one air introduction path 11 may be branched and connected to one water sprinkling flow path 4, or a plurality of air introduction paths 11 may be branched and connected.

  In the example illustrated in FIG. 2, the surface of the central portion 6 is formed in a step shape that protrudes in the water discharge direction toward the central side, but is not limited thereto, and for example, as illustrated in FIG. The surface may be formed in a step shape protruding in the water discharge direction toward the peripheral side.

  In the example shown in FIG. 2, the surface of the central portion 6 is formed in a step shape. However, the present invention is not limited to this. For example, as shown in FIG. And one or more watering openings 3 may be opened at the tip of each projection 13 and one or more air introduction openings 12 may be opened on the side surface. In this case, each protrusion 13 can have various shapes such as a dot shape and an annular shape.

  Further, for example, as shown in FIG. 3C, the surface of the central portion 6 may be a convex surface convex in the water discharge direction, or conversely a concave surface. Moreover, in the examples shown in FIGS. 2, 3 </ b> A and 3 </ b> B, the air introduction path 11 extends in a direction perpendicular to the water discharge direction, but the present invention is not limited to this and is shown in FIG. Thus, the direction which extends the air introduction path 11 can be changed variously.

  Needless to say, the above modifications may be combined as appropriate.

DESCRIPTION OF SYMBOLS 1 Shower head 1A Downstream part opening 2 Sprinkling plate 3 Sprinkling opening 3A Bubble water discharge opening 3B Non-bubble water discharge opening 4 Sprinkling flow path 5 Peripheral part 6 Center part 7 Through-hole 8 Inner flange 9 Holding cylinder 10 Channel restriction Portion 11 Air introduction passage 12 Air introduction opening 13 Protrusion 51 Handle portion 52 Channel restricting portion 53 Air inlet 54 Water passage

Claims (3)

A watering part having a plurality of watering openings on the surface;
A sprinkling channel extending through the sprinkling portion and continuing to the sprinkling opening;
A flow path restriction provided in the watering flow path;
An air introduction path branched and connected to the downstream side of the flow restrictor in the sprinkling flow path,
The air introduction path is continuous with an air introduction opening formed on the surface of the water sprinkling part,
While the amount of protrusion in the direction of water discharge on the surface of the watering part is configured to be non-uniform ,
As the watering opening, a bubble water discharge opening for discharging bubble water mixed with air from the air introduction path, and a non-bubble water discharge for discharging non-valve water not mixed with the air An opening is provided,
Furthermore, the watering part
The bubble water discharge opening, the air introduction passage, and the central portion provided with the air introduction opening, and the peripheral portion provided with the non-bubble water discharge opening and not provided with the air introduction passage and the air introduction opening. It is configured to be separable,
A shower head characterized in that the central part is detachable from the peripheral part .   The surface of the water sprinkling part is formed in a step shape, the opening for watering opens toward the water discharging direction, and the opening for air introduction opens toward a direction different from the water discharging direction. Shower head. The shower head according to claim 1 , wherein the peripheral portion is configured to be detachable from the shower head.