JP5807791B2 - Flow control mechanism - Google Patents

Description

The present invention relates to a flow rate control mechanism that controls the flow rate of water discharged from a water supply.

When water is discharged from the water supply to the outside, the water supply user operates the faucet / cock based on information such as the momentum of the water or the collision sound between the water and the sink. However, the determination of whether or not a desired amount of water is being discharged from the water supply depends on the subjectivity of the water user. For this reason, in most cases, water exceeding the sense of the water user is discharged. In order to solve such problems, many developments have been made on the water-saving technology of water discharged from the water supply.

As the water-saving technique, the invention described in Patent Document 1 below is disclosed. The technology of Patent Document 1 is a water control system that includes a water flow board in which a predetermined number of water flow holes are provided in a water flow chamber through which water supplied from a water supply is passed, and a water control board that is rotatably superimposed on the water flow board. The present invention relates to a flow rate control valve that controls the amount of water discharged from the water supply by adjusting the opening area of the water flow hole of the water flow board by rotating the water control board.

JP 2006-77404 A

However, in the invention described in Patent Document 1, in order to fix the water control piece including the water flow board and the water control board in the joint metal fitting, a dedicated bush must be provided, and the structure inside the joint metal fitting becomes complicated, In addition, there is a problem that the number of parts increases. In addition, there is a problem in terms of processing cost accordingly. Furthermore, the upper limit of the opening area of the water passage holes provided in the water passage is low, and as a result, the range in which the flow rate can be adjusted is narrow. Therefore, when it is necessary to store a relatively large amount of water, there is a problem that it is not possible to perform an appropriate operation according to the usage needs of the water service user, for example, it takes time to obtain a desired amount of water.

In view of the above problems, the present invention reduces the number of parts, simplifies the overall structure, widens the range of adjustment of the flow rate of water discharged to the outside, and is suitable for various usage needs of water users. An object of the present invention is to provide a flow rate control mechanism that can meet the above requirements.

The flow rate control mechanism according to the present invention for solving the above problems is
A flow rate adjusting unit for adjusting the flow rate of water supplied from the water supply,
Including a tubular discharge port joint joined to the end of the water discharge port,
The flow rate adjuster is
A base provided with water passage holes and formed by a plurality of fan-shaped blocks;
A turntable capable of covering the water passage hole;
Turntable locking means for locking the turntable with respect to the base so as to be rotatable;
It is equipped with
The discharge port joint portion can accommodate the flow rate adjusting portion,
It is provided with a base support part for supporting the base in its interior,
The fan block has a water passage block provided with water passage holes and a non-water passage block not provided with water passage holes,
The flow rate of the water discharged to the outside through the water passage hole of the base comprises changing the combination of the water passage block and the non-water passage block of the fan block not covered by the rotating disk. It is a feature.

According to the present invention, it is not necessary to add an additional dedicated component when the flow rate adjusting unit is accommodated in the discharge port joint, so that the number of components can be greatly reduced. As a result, the overall structure of the flow rate control mechanism can be simplified. Furthermore, the range of adjustment of the flow rate of the water discharged to the outside can be expanded from the shape of the water passage hole and the rotating disk of the base. Therefore, it is possible to provide a flow rate control mechanism that can appropriately respond to various needs of water users.

The figure which shows the use condition of embodiment which concerns on this invention. The disassembled perspective view of embodiment which concerns on this invention. The vertical sectional view of the embodiment concerning the present invention. The vertical sectional view of the embodiment concerning the present invention. The top view of the flow volume adjustment part which concerns on this embodiment. The figure which shows the change of the opening area of the hole for water flow which concerns on this embodiment.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention can be implemented in many different modes and should not be construed as being limited to the description of the embodiments described below.

FIG. 1 is a diagram showing a use state of an embodiment according to the present invention. A thread groove 212 that can be screwed into a thread groove formed in the water discharge port 21 is provided on the inner wall of the end portion of the discharge port joint portion 200 of the present embodiment (shown in FIG. 2). As shown in FIG. 1, the flow rate control mechanism 10 according to the present invention is attached to a water discharge port 21 by engaging both screw grooves. In addition, even if the attachment means to the discharge outlet 21 of the water supply provided in the edge part of the discharge outlet junction part 200 is other than the said screw groove 212, if it is a structure and a mechanism which does not leak the water supplied from the water supply 20 Anything is acceptable.

FIG. 2 is a perspective view in which components constituting the embodiment according to the present invention are disassembled on the vertical axis. As shown in FIG. 2, the present invention includes a flow rate adjusting unit 100, a discharge port joint 200, and the like. The flow rate adjusting unit 100 includes a base 110 having a water passage hole (not shown in FIG. 2), a turntable 120 capable of covering the water passage hole, and the turntable 120 being rotatable with respect to the base 110. And a rotating disk locking means 130 for locking. The details of the water passage holes provided in the base 110 will be described later.

An insertion hole 112 of the turntable locking means 130 is provided in the approximate center of the base 110. Similarly, an insertion hole 121 of the rotating disk locking means 130 is also provided at the approximate center of the rotating disk 120. By passing the turntable locking means 130 through the insertion holes 112 and 121 in a state where the base 110 and the turntable 120 are vertically stacked, the turntable 120 is rotatably locked to the base 110. The

In this embodiment, the rotating disk locking means 130 is a combination of a bolt and a nut, but the present invention is not limited to this as long as the same function is achieved. For example, a locking member having a shaft portion inserted through the insertion holes 112 and 121 of the base 110 and the turntable 120 and an elastic body having a biasing force with respect to the height direction is disposed in the lower portion of the base 110. The turntable 120 may be locked to the base 110 by this locking member. Specifically, one end of the shaft portion of the locking member is fastened to the turntable 120 so that the base 110 is sandwiched between the elastic body and the turntable 120. As a result, the base 110 that receives the bias from the elastic body presses the turntable 120, and the turntable 120 is locked to the base 110. In addition, when releasing the latching of the turntable 120, the turntable 120 is moved in the height direction so as not to be pressed from the base 110 and rotated.

On the other hand, the discharge port joint portion 200 has a cylindrical shape with an open upper surface, and includes a flow rate adjustment unit accommodation body 210 that accommodates the flow rate adjustment unit 100 and a foam accommodation body 220 that accommodates foam described later. . As a method of joining the two members, a method of providing a screw groove in each of them and joining them by screwing them together is conceivable, but it is not particularly limited to this. By adopting such a structure, when removing impurities and foreign matter captured in tap water captured by foam, it is only necessary to release the connection of the flow rate adjusting unit container 210 and remove it from the foam container 220. Foam cleaning can be carried out without being overwhelmed. However, the discharge port joint portion 200 may be formed as one member without being divided into the flow rate adjusting portion container 210 and the foam container 220.

The flow rate adjustment unit container 210 includes the base support unit 211 that supports the base 110 of the flow rate control unit 100 in a predetermined posture (preferably, a posture parallel to the horizontal cross section of the discharge port joint 200), and the above-described base support unit 211. The configuration includes a thread groove 212 that meshes with the thread groove of the discharge port 21 of the water supply 20. As shown in FIG. 3, the shape of the base support portion 211 may be a shape that rises stepwise inward from the inner wall of the flow rate adjustment unit container 210, but as shown in FIG. In the case of FIG. 4, it is preferable to have a tapered shape that becomes narrower from the upper side to the lower side of the drawing. By adopting such a tapered shape, a drag force acts on the base 110 supported by the base support part 210 inward from both side portions thereof, and the base 110 can be fixed and supported more firmly. In addition, with such a structure, there is a problem that the position of the base becomes unstable due to the water pressure when water is passed without using a special member for supporting and fixing the base 110. Therefore, the internal structure can be greatly simplified.

Next, with reference to FIG.3 and FIG.4, this embodiment of the state in which the flow volume adjustment part 100 was accommodated in the discharge outlet junction part 200 (flow volume adjustment part accommodating body 210) is demonstrated. FIG. 3 is a vertical cross-sectional view of the state in which the flow rate control mechanism 10 according to the present embodiment is attached to the water discharge port 21. The screw groove 212 of the discharge port joint portion 200 is engaged with the screw groove of the discharge port 21 of the water supply 20 so that the whole does not fall.

Here, the peripheral edge of the base 110 abuts against the side surface of the base support part 211, so that the position of the flow rate adjusting part 100 is fixed inside the discharge port joint part 200 (flow rate adjusting part accommodating body 210). ing. On the other hand, as shown in FIG. 3 and FIG. 4, in this embodiment, the sealing member 191 is provided between the discharge port 21 of the water supply 20 and the upper surface of the base support part 211, and the flow rate adjustment part container 210 and the foam. Although the foam fixing member 192 is interposed between the container 220 and the structure, such a structure can prevent water leakage when discharging tap water to the outside. However, it is needless to say that the present invention is not limited to the one provided with the sealing member 191 and the foam fixing member 192. In this embodiment, the sealing member 191 and the foam fixing member 192 are ring-shaped rubber packings, but are not limited to this as long as they perform the same function.

As described above, the flow rate control mechanism 10 according to the present invention has a simple configuration in which the flow rate adjustment unit 100 is only accommodated in the discharge port joint portion 200. Therefore, the number of parts can be greatly reduced as compared with the prior art. Therefore, it is possible to reduce the work cost and the manufacturing cost and improve the yield. Further, due to the action of the base support unit 210 and the like, the flow rate adjusting unit 100 is firmly supported and fixed even when receiving the pressure of water passing through the inside of the flow rate control mechanism 10. Thereby, water can be stably discharged | emitted outside, without changing the preset flow volume.

Next, details of the base 110 and the turntable 120 according to the embodiment of the present invention will be described with reference to FIG. FIG. 5 is a top view of the base 110 and the turntable 120 according to the present embodiment. As shown in FIG. 5A, the base 110 according to the present embodiment is formed by 12 sector blocks having a central angle of 30 ° and an equal area. This fan-shaped block includes a water flow block provided with a water flow hole 111 and a non-water flow block provided with no water flow hole 111. On the other hand, as shown in FIG. 5B, the turntable 120 according to this embodiment has a fan shape with a central angle of 240 ° (that is, the central angle of the opening 122 is 120 °).

When the turntable 120 is disposed so as to overlap the base 110, the fan-shaped block located under the opening 122 of the turntable 120 is exposed to the outside (in this embodiment, the central angle of the opening 122 is 120 °). Because there are four net fan blocks exposed.) The water discharged from the water supply 20 passes through the water passage hole 111 provided in the water passage block among the exposed fan-shaped blocks and is discharged to the outside.

Next, when the turntable 120 is rotated around its center and the position of the opening 122 is changed, the four sector blocks are exposed to the outside as described above. However, in this case, before and after the movement of the opening 122, the combination of the four water passage blocks exposed to the outside and the non-water passage block is different. Accordingly, at this time, the total area of the water passage holes 111 in the fan-shaped block exposed to the outside changes. That is, the flow rate of water discharged outside the water supply 20 changes.

In this way, by appropriately devising the arrangement of the water passage blocks constituting the base 110 and the number and diameter of the water passage holes 111 provided in each water passage block, the water is discharged to the outside of the water supply 20. It is possible to change the flow rate of the water continuously (smoothly). In this case, countless combinations of the arrangement of the water passage blocks, the number of water passage holes, and the size of the diameter are conceivable. Therefore, the flow rate adjusting unit created by appropriately adjusting the arrangement of the fan-shaped blocks, etc., may be one that changes the flow rate of water in a form that is proportional to the rotation angle of the rotating plate 120. Although it is independent of the rotation angle of 120, the flow rate of water is continuously changed by the combination of fan blocks exposed to the outside (for example, the combination of fan blocks having the smallest flow rate: fan block 1, 2, 3, 4. Combination of fan blocks with the next smallest flow rate: Fan block 6, 7, 8, 9. Combination of fan blocks with the next lowest flow rate: sector block 11, 12, 1, 2, etc.) May be.

As shown to Fig.5 (a), the base | substrate 110 which concerns on this embodiment is comprised by 12 fan-shaped blocks which use a water flow block as 1, 3, 4, 7, 9, 10 fan-shaped blocks. By rotating the turntable 120 with the base 110 having such a configuration, the total area of the exposed water passage holes 111 can be continuously changed as shown in FIG. The flow rate of the water discharged to the outside can be continuously changed (see FIG. 6C). In addition, although the center angle of the sector block which comprises the above-mentioned base | substrate 110 is 120 degrees in this embodiment, it is not limited to this. Further, the central angle of the turntable 1220 is not limited to 240 °.

DESCRIPTION OF SYMBOLS 10 Flow control mechanism 100 Flow control part 110 Base 111 Water passage hole 120 Turntable 130 Turntable locking means 191 Sealing member 192 Foam fixing member 200 Discharge port joint part 210 Flow control part container 211 Base support part 212 Water discharge Screw groove 220 for attachment to the outlet Foam container 300 Foam 400 Water passage

Claims (5)

A flow rate control mechanism attached to the outlet end of a water supply,
A flow rate adjusting unit for adjusting the flow rate of water supplied from the water supply,
Including a tubular discharge port joint joined to the end of the water discharge port,
The flow rate adjuster is
A base provided with water passage holes and formed by a plurality of fan-shaped blocks;
A turntable capable of covering the water passage hole;
Turntable locking means for locking the turntable with respect to the base so as to be rotatable;
It is equipped with
The discharge port joint portion can accommodate the flow rate adjusting portion,
It is provided with a base support part for supporting the base in its interior,
The fan block has a water passage block provided with water passage holes and a non-water passage block not provided with water passage holes,
The flow rate of water discharged to the outside through the water passage hole of the base varies depending on the combination of the water passage block and the non-water passage block of the sector block not covered by the rotating disk. Control mechanism. The flow rate control mechanism according to claim 1, wherein the base support portion has a tapered shape in which an inner diameter becomes narrower from a water inlet side toward a water outlet side. 3. The flow rate control mechanism according to claim 1, wherein the rotating disk is locked on the base by the rotating disk locking means so that the centers of the rotating disk and the base overlap each other. The flow rate control mechanism according to any one of claims 1 to 3, wherein a shape of the rotating disk is a fan shape drawn with a center thereof as an origin. The flow rate control mechanism according to any one of claims 1 to 4, wherein each of the plurality of sector blocks has a central angle and an equal area.

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