JP4235802B2 - Water supply activation device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water supply auxiliary tool attached to the tip (for example, a faucet) of a water supply channel. More specifically, the present invention relates to a water supply activation device for activating tap water.
[0002]
[Prior art]
Regarding this type of water supply activation device, Japanese Patent Application Laid-Open No. 11-300364, “Active Water Forming Device” (Patent Document 1) and Japanese Patent Application Laid-Open No. 11-104523, “Hair Wash Table Shower Head” (Patent Document) 2) exists. In any case, tap water is activated, and an air-jet is formed from the outside air sucked from the small intake holes using negative pressure, and this mixed jet is discharged from the small discharge holes.
There is a problem that there is almost no water-saving function and air may not be mixed in due to a change in water supply pressure.
In addition, the method of restricting the flow rate by providing a valve using an orifice or the like at the inlet of the foam generating part and then flowing into the foam part is easily affected by the inflow pressure. There was a problem that it did not become foam.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-300234 [Patent Document 2]
Japanese Patent Laid-Open No. 11-104523,
[0004]
[Problems to be solved by the invention]
This invention makes it a subject to achieve the objective of activation more than the change of the amount of water supply in the water supply activation apparatus for activating tap water.
[0005]
[Means for Solving the Problems]
The water supply activation device of the invention of the present application is a water supply activation device in which a negative pressure forming interior member 10 can be inserted into a cylindrical main body 1 having a plurality of outside air inlets 3 formed in an intermediate portion of an outer peripheral surface. In
In the negative pressure forming hole 12 of the negative pressure forming interior member product 10, the discharge port 14 on the lower end side having a larger diameter than the inflow port 13 on the upper end side is communicated with the outside air intake port 3 a of the main body via the annular lateral groove 15. It was made to be characterized.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.
[0007]
Referring to FIGS. 1 and 2, reference numeral 1 denotes a cylindrical main body having an upper surface 1a and a lower surface 1b opened, and a screw 2 for attaching to a water supply fitting (faucet) is formed on the upper inner surface. Ten outside air inlets 3 are formed in the middle part.
[0008]
Referring to FIG. 3, in addition to screw 2 of cylindrical body 1, first internal space 5 is above first step portion 4, second internal space 7 is above second step portion 6, and third step space 6 is third. Third internal spaces 9 are formed above the step portions 8 respectively.
[0009]
The negative pressure forming interior component 10 shown in FIG. 3 can be inserted into the cylindrical main body. In the inserted state, it has a step 11 corresponding to the first step 4, and occupies the upper half of the first internal space 5 and the second internal space 7 with reference to FIG.
[0010]
It penetrates 10 negative pressure forming holes 12 arranged concentrically in the vertical direction. The negative pressure forming hole 12 has a discharge port 14 on the lower end side having a larger diameter (that is, a larger sectional area) than the inflow port 13 on the upper end side. The inner core end 15 a of the annular lateral groove 15 is communicated with the discharge port 14 on the lower end side. With reference to FIG. 2 in the assembled state, the outer peripheral end of the annular lateral groove 15 communicates with the outside air inlet 3.
[0011]
An upper insertion space 16 is formed on the upper surface of the negative pressure forming interior component 10, and the adjustment plate 20 in FIG. 5 and the mesh plate 30 in FIG. 6 can be mounted in the upper insertion space 16.
[0012]
With reference to FIG. 5, the adjusting plate 20 has two long holes 21 and two short holes 22 that are concentrically arranged. Small holes 23 and 24 are formed in the center.
[0013]
With the adjustment plate 20 placed in the upper insertion space 16 on the upper surface of the negative pressure forming interior part 10, the number of the inflow holes 13 in the open state can be changed. In the embodiment of FIG. 5, the position of the adjusting plate 20 is selected by selecting the relative positions of the small holes 23, 24 and the small holes 17 (the upper surface of the negative pressure forming interior part 10), such as 10, 6, 4 and so on. Allows multi-stage selection. By changing the number and position of the long holes 21 and the short holes 22 of the adjusting plate 20, it is possible to change the number of four, four, four, or other multistages. In addition, by preparing a plurality of adjusting plates 20 having different numbers and positions of the long holes 21 and the short holes 22, the number of the inlets 13 in the open state can be changed in multiple stages by selecting the adjusting plate 20 to be used. It is also possible.
[0014]
FIG. 6 shows a mesh plate 30, which is composed of a mesh surface 31 and a ring-shaped support frame 32.
[0015]
In the assembled state, referring to FIG. 2, mesh plate 3 is placed on adjustment plate 20 and faces the water supply port of the water supply fitting (faucet). Further, two mesh plates 30 are provided in the third internal space 9.
[0016]
Referring to FIG. 2, the outside air suction port 3 a at the middle portion of the peripheral surface of the main body 1 communicates with the discharge port 14 on the lower end side of the negative pressure forming hole 12 through the annular lateral groove 15.
In the lower half of the second internal space 7, between the lower surface of the negative pressure forming interior component 10 where the discharge port 14 on the lower end side of the negative pressure forming hole 12 exists and the upper surface of the mesh plate 3 in the third internal space 9 A space H is formed in the space H, and a rectifying ring 40 and two mesh plates 30 are fixed to the main body 1 with a snap ring 50 below the space H. Referring to FIG. 7, the rectifying ring 40 has a shape having a slope 41, an opening 40, and a peripheral edge 43. 60 is a packing.
[0017]
Thus, the negative pressure forming interior part 10 can generate a negative pressure at a location where a difference in diameter occurs due to the water outlet passing through the large diameter pipe (negative pressure forming hole) rather than the inflow port. A lateral hole (passage in the tube transverse direction communicating with the outside air) (annular lateral groove 15 and outside air inlet 3a) is provided .
In other words, by the inner core end 15 a of the annular transverse groove 15 is open at the position P in contact with the discharge port 14, the discharge port 14 communicates with the annular transverse groove 15, the peripheral edge to the outside air inlet 3a of the annular transverse groove 15 As a result, the negative pressure generation location of the discharge port 14 communicates with the outside air suction port 3a of the main body via the annular lateral groove 15.
is doing. As a result, the annular lateral groove 15 and the outside air suction port 3a act as a ventilation port for the outside air with respect to the discharge port 14 , thereby suppressing the occurrence of cavitation and injecting high pressure. can do.
[0018]
The high-pressure water at the water discharge destination (the lower half H of the second internal space 7) is rectified by the rectifying ring 40 and then passes through the mesh surface 21, so that the amount of air mixing is large while being high pressure. A foamy water flow is possible.
[0019]
Thus, referring to FIG. 8, the water supply activation device B of the present invention attached to the water supply fitting (faucet) A enables a foamy water flow with a large amount of air mixing while being high pressure. From the lower end of the water supply activation device B, a foamy jet water flow P having a high pressure and a large amount of air mixing is discharged in a substantially vertical shape.
[0020]
Since the number of effective inflow ports can be freely selected by the adjusting plate 20, it is possible to cope with a decrease in water pressure and to exhibit a water saving effect.
[0021]
By being equipped with activated carbon mesh plate and ceramic mesh plate in the third internal space 9,
A healing effect can be produced by hitting activated water or ceramics with a water stream injected at high speed.
[0022]
【effect】
The water supply activation device B of the present invention is capable of discharging water at a high pressure even with a small amount of water by mixing air and changing into a jet water flow even at low water pressure, and can perform significant water saving. It has the effect that foamy water discharge can be performed in the range of water pressure.
In order to perform the foamy water discharge, as a means for forming a lateral hole (passage in the tube transverse direction communicating with the outside air) for supplying the outside air to the negative pressure generation location (where the difference in diameter occurs) because I is communicated with the outside air inlet 3a of the body via an annular transverse groove 15, bypass passage by the space by an annular transverse groove 15 linearly spaces outside air inlet 3a communicating tube radially there can be formed.
Even when dust or the like adheres to a position facing the outside air intake port 3a, the outside air intake port 3a and the discharge port 14 can be communicated with each other, and a plurality of outside air intake ports 3a are formed. Even when dust adheres to some of the outside air inlets 3a, it is effective to bypass the annular lateral groove 15 in the circumferential direction from the other effective outside air inlets 3a (passage in the cross-tube direction communicating with the outside air). Thus, the communication state between the discharge port 14 and the outside air can be secured, and the foamy water discharge can be reliably maintained.
[Brief description of the drawings]
FIG. 1 is a perspective view of a water supply activation device showing an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view.
FIGS. 3A and 3B show a cylindrical main body, in which FIG. 3a is a partially sectional front view, and FIG.
4A and 4B show a negative pressure forming interior part, in which FIG. A is a plan view, and FIG.
FIGS. 5A and 5B show an adjustment plate, in which FIG. A is a plan view and FIG. B is a front view;
6A and 6B show a mesh plate, in which FIG. A is a plan view and FIG.
7A and 7B show a rectifying ring, in which FIG. A is a plan view and FIG.
FIG. 8 is a schematic diagram showing a use state of the water supply activation device.
[Explanation of symbols]
1 Tube 3 Outside air intake
10 Negative pressure forming interior parts
12 Negative pressure forming hole
13 Inlet
14 Discharge port
15 Annular transverse groove
20 Adjustment plate
30 mesh board
40 Rectifier ring
50 snap ring

Claims (3)

In a water supply activation device in which a negative pressure forming interior member 10 can be freely inserted into a cylindrical main body 1 having a plurality of outside air inlets 3 formed in an intermediate portion of an outer peripheral surface,
In the negative pressure forming hole 12 of the negative pressure forming interior member product 10, the discharge port 14 on the lower end side having a larger diameter than the inflow port 13 on the upper end side is communicated with the outside air intake port 3 a of the main body via the annular lateral groove 15. A water supply activation device characterized by having been made.   2. The space H, a rectifying ring, and a mesh plate are interposed between the lower end opening surface of the discharge port 14 on the lower end side of the negative pressure forming hole 12 and the opening on the lower surface of the main body. Water supply activation device to do. The feed water activation device according to claim 1, wherein an effective numerical aperture of the inlet 13 in the negative pressure forming interior part 10 is selectable.

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