JP5916218B2 - Channel box and faucet provided with the same - Google Patents

Description

  The present invention relates to a flow path box for covering a specific portion of a flow path and a faucet provided with the flow path box.

  The thing disclosed by patent document 1 is known as a conventional box for covering the specific site | part of a flow path. The box includes a cover as a box body and a case as a box lid, and houses a solenoid valve, a control unit for controlling the solenoid valve, and the like.

  In such a box, it is possible to cover and protect the control unit and the like.

JP 2007-262759 A

  However, the box has a problem that it takes time to attach and detach the case because the case is attached to the cover by screws.

  The present invention has been made in consideration of the above-described matters, and an object of the present invention is to provide a flow path box and a faucet equipped with the same, in which the box lid can be easily attached and detached.

In order to achieve the above object, a flow path box according to the present invention comprises a box body and a box lid covering the box body, the flow path box covering a part of the flow path, wherein the box body and The box lid is provided with a notch-shaped avoiding portion for avoiding the pipe portion constituting the part of the upstream portion or the downstream portion, and the box lid is detachable from the box body. overlies the body, when the box lid in the detachable state slides on the upstream side or downstream side of said portion relative to the box body is constructed such that a condition not detached from the box body Furthermore, a clip member that can be inserted into a gap between the box lid and the box body that is in a state where the box lid cannot be removed is provided, and the clip member is located in the gap. When the clip member is engaged with the tube part so as to be freely disengaged and the clip member is engaged with the tube part located in the gap, the box cover is in a state where it can be detached from a position where the box cover cannot be detached. It is comprised so that it cannot slide to the position used as (Claim 1).

In the flow path box, the box lid is provided with an L-shaped groove extending from an opening edge of the box lid, and the box body is provided with a protrusion engageable with the L-shaped groove. The groove has a non-lock groove portion extending from an opening edge of the box lid to a bent portion of the L-shaped groove, and a lock groove portion occupying the innermost portion of the L-shaped groove with respect to the bent portion, When the lid is in the detachable state, the projection is located in the non-locking groove, and when the box lid is in the non-detachable state, the projection is located in the locking groove. (Claim 2 ).

The flow path box may be configured to cover an electric drive valve and a hydroelectric generator provided in the part, and a power supply unit connected to the electric drive valve and the hydroelectric generator. (Claim 3 ).

In the flow path box, the part of the upstream portion is disposed downward and the downstream portion is directed upward, and the water discharge section provided on the downstream side of the portion of the flow path includes a sensor and the one portion. An electric wire, which is located above the portion and connects the electric drive valve or the power supply unit to the sensor, extends laterally from the bottom of the box body along a concave groove formed on the outer surface of the box body. After that, it may be configured to be pulled out upward (claim 4 ).

On the other hand, in order to achieve the above object, the faucet according to the present invention is partially covered by the flow path box according to any one of claims 1 to 4 ( Claim 5 ).

According to the present invention, a flow path box and a faucet equipped with the flow path box can be obtained in which the box lid is easily attached and detached. That is, in the flow path box according to the claims of the present application, the box lid is engaged with the box body only by sliding the box lid over the box body. The lid can be easily attached and detached. Moreover, both the box body and the box lid can have a simple configuration, and as a result, the flow path box can be made inexpensive.
In addition, since the grip member is used , it is possible to more reliably maintain the mounting state of the box lid with respect to the box body.

1 is an overall view schematically showing a configuration of a water faucet provided with a flow path box according to an embodiment of the present invention. It is a perspective view which shows roughly the structure of the unit inside the said box for flow paths. FIG. 3 is a perspective view schematically showing a configuration of a unit covered with the flow path box. It is a front view which shows a part of structure of the said unit schematically. (A) And (B) is the top view and explanatory drawing which show the structure of the said unit roughly. It is explanatory drawing which shows the system configuration | structure of the said water tap roughly. It is explanatory drawing which shows roughly the structure inside the said box for flow paths. (A)-(D) are perspective views which show roughly the opening / closing method of the said box for flow paths. FIG. 3 is a perspective view from above schematically showing a configuration of the flow path box with a box lid removed. It is a perspective view from the lower part which shows the composition of the box for the above-mentioned channel in the state where the box lid is removed. It is a perspective view which shows roughly the structure of the box main body of the said box for flow paths. It is a perspective view which shows the structure of the said box cover roughly.

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

  As shown in FIG. 1, the faucet according to the present embodiment (hereinafter referred to as the main faucet) includes, for example, a water discharge unit 1 that is erected on the upper surface of a counter of a washstand, and an upstream side of the water discharge unit 1. And a flow path box (control box) 2 that covers a part of the flow path (hereinafter referred to as a supply flow path). A stop cock 3 is provided on the upstream side of the flow path box 2, and the stop cock 3 is attached to a wall surface (not shown). On the other hand, a flexible hose 4 is provided on the downstream side of the flow path box 2, and the hose 4 is connected to the water discharge unit 1.

  As shown in FIG. 2, the flow path box 2 is composed of two pipes 5 and 6 constituting a part of the supply flow path, and an electromagnetic valve (for an electrically driven valve) provided for the upstream pipe 5. (Example) 7, a hydroelectric generator 8 provided for the downstream pipe 6, a power supply base (an example of a power supply unit) 9, and a backup power supply 10 such as a battery case loaded with a primary battery, for example ( (See also FIGS. 3-5 and 7). The pipes 5 and 6, the electromagnetic valve 7, the hydroelectric generator 8, the power supply base 9, and the backup power supply 10 are an integrated unit.

  Here, the two pipes 5 and 6 are connected by an appropriate connecting means. In this example, as shown in FIG. 4, an adapter 11A screwed to the downstream end of the pipe 5 and the adapter 11A are provided. And a quick fastener 11B that clamps a flange provided at the upstream end of the pipe 6. The upstream pipe 5 is connected to the water stop cock 3 outside the flow path box 2 by an appropriate connecting member (for example, a cap nut), and the downstream pipe 6 is flowed by an appropriate connecting member (for example, a hose clamp). It is connected to a hose 4 outside the road box 2.

  The solenoid valve 7 of this example is a diaphragm type solenoid valve. As shown in FIG. 5B, the pipe 5 provided with the solenoid valve 7 is closed by the diaphragm 7a of the solenoid valve 7 when the valve is closed. A valve seat 5a is formed.

  The electromagnetic valve 7 is also electrically connected to a sensor 12 (see FIG. 6) provided in the water discharge unit 1, and discharges water from the water discharge unit 1 based on the detection result of the human body by the sensor 12 and stops (stops water). Are configured to open and close. That is, the faucet is an automatic faucet.

  The sensor 12 includes a light emitting unit (not shown) that emits light toward the front region of the water discharge unit 1, and light reflected from a human body (mainly a hand) that is emitted from the light emitting unit and enters the front region. It is a reflection type sensor comprising a light receiving unit (not shown) for receiving light. As shown in FIG. 6, the sensor 12 includes a power supply circuit 12a, a solenoid valve drive circuit 12b, a control circuit 12c, and a sensor circuit 12d.

  The hydroelectric generator 8 generates electric power by the water flow in the pipe 6 and can employ a known configuration.

  The power supply base 9 is configured to be able to store electricity by both the power generation output of the hydroelectric generator 8 and the output of the backup power supply 10. Further, the power supply from the power supply base 9 to the sensor 12 activates the sensor 12 and also drives the electromagnetic valve 7.

  In order to realize the operation as described above, as shown in FIGS. 5A and 5B, the hydroelectric generator 8 and the power supply base 9 are connected by the electric wire 13, and the backup power supply 10 and the power supply base 9 are connected. Are connected by an electric wire 14. Moreover, the power supply board | substrate 9 and the sensor 12 are connected by the electric wire 15, the sensor 12 and the solenoid valve 7 are connected by the electric wire 16, and the electric wires 15 and 16 are bundled to the wire harness 17 (refer also FIG. 1).

  Further, as shown in FIG. 6, the power supply base 9 includes a rectifier circuit 9a that converts AC power generated by the hydroelectric generator 8 into DC power, and a level that is connected to the rectifier circuit 9a and that is suitable for storing voltage. A storage voltage adjustment circuit (capacitor charging circuit) 9b that adjusts to a voltage, a capacitor 9c that stores electricity by an output from the circuit 9b, and a discharge voltage adjustment circuit (step-up circuit) that adjusts the power stored in the capacitor 9c to a voltage required for the load. Circuit) 9d and a selective connection circuit 9e for selectively connecting either the output of the circuit 9d or the output of the backup power supply 10.

  As described above, the flow path box 2 is for covering a unit composed of the two pipes 5, 6, the electromagnetic valve 7, the hydroelectric generator 8, the power supply base 9, and the backup power supply 10, and is a synthetic resin box. A main body 21 (see FIG. 11) and a synthetic resin box lid 22 (see FIG. 12) are provided, and as shown in FIG. 8D, the box main body 21 is covered with the box lid 22 to cover the unit. It is configured as follows.

  Here, the box body 21 is fixed to the downstream pipe 6 (an example of a part of the supply flow path). In this example, a screw (not shown) is screwed into the screw hole 23 (see FIGS. 2 and 3) of the pipe 6 and the screw groove 24 (see FIG. 11) of the box body 21 to be screwed. Further, in the box body 21, as shown in FIG. 11, a large number of reinforcing and holding ribs 25 are provided.

  In addition, the upstream pipe 5 (a part of the upstream part of the supply flow path) faces downward and the downstream pipe 6 (a part of the downstream part of the supply flow path) faces upward. Accordingly, a through-hole (an example of a notch-shaped avoiding portion) 26a through which the pipe 6 is passed (avoided) 26a is provided in the top wall 26 of the box body 21, and a pipe is provided on the bottom wall 27 of the box body. A notch-shaped long groove (another example of the notch-shaped avoiding portion) 27a for passing (avoiding) 5 is provided (see FIGS. 9 to 11).

  Further, the inner surface (lower surface) of the top wall 26 where the through hole 26a is formed and the inner surface (upper surface) of the bottom wall 27 where the long groove 27a is formed are excellent in cushioning properties as a sealing member (sufficient for unevenness). A closed foam packing (not shown) that can be deformed to fill the irregularities is attached to the entire surface.

  On the other hand, the box lid 22 covers the box body 21 in a state where it can be detached from the box body 21 (see FIGS. 8A and 8B). Then, when it slides to the upstream side or the downstream side of a part of the supply flow path, it is configured to be unable to be detached from the box body 21 (see FIG. 8C). And the long groove 22a as a notch-shaped avoidance part for avoiding the piping 5 and 6 is provided in the upper and lower surfaces of the box cover 22 (refer FIG. 8 (A) and FIG. 12).

  In addition, a clip member 28 that can be inserted is provided in a gap g (see FIG. 8C) between the box lid 22 and the box main body 21 that cannot be detached, and the clip member 28 is a tube portion located in the gap g. 5, the box lid 22 is in a state where it cannot be detached when the clip member 28 is engaged with the tube portion 5 located in the gap g (see FIG. 8D). It is configured not to be able to slide from the position shown in FIG. 8C or FIG. 8D to the position where it can be detached (see FIG. 8B). The clip member 28 is configured to engage with the pipe 5 by its own elasticity.

  In this example, two L-shaped grooves 29 extending from the opening edge of the box cover 22 are provided on both front and rear surfaces of the box cover 22, and a protrusion 30 that can be engaged with the L-shaped groove 29 is provided on the box body 21. It has been. As shown in FIG. 12, the L-shaped groove 29 includes a non-lock groove 29b extending from the opening edge of the box lid 22 to the bent portion 29a of the L-shaped groove, and the deepest L-shaped groove from the bent portion 29a. When the box lid 22 is in the detachable state, the protrusion 30 is positioned in the non-lock groove 29b (see FIG. 8B), and the box lid 22 is When it is in a state in which it cannot be detached, the protrusion 30 is located in the lock groove 29c (see FIG. 8C).

Then, the grip member 28 is inserted into the gap g formed by the box body 21 and the box lid 22 in the state shown in FIG. The box lid 22 can be reliably prevented from being detached. However, when the box lid 22 is in the non-detachable state shown in FIG. 8C, this state is maintained unless the box lid 22 is lifted .

  Here, the water discharge part 1 which has the sensor 12 is located above the box 2 for flow paths (a part of said supply flow path) (refer FIG. 1). Therefore, it is necessary to draw out the wire harness 17 in which the wires 15 and 16 for connecting the power supply base 9 and the electromagnetic valve 7 to the sensor 12 are bundled up from the flow path box 2. When it is pulled out from the upper surface, there is a risk that the waterproof property is lowered, or the structure is complicated if the sealing property is increased in order to prevent the waterproof property from being lowered.

  Therefore, in the present embodiment, the wire harness 17 is configured to be drawn upward from the lower side of the box body 21 along the concave groove 31 formed on the outer surface of the box body 21 (FIG. 8). To FIG. 11).

  In the flow path box 2 configured as described above, the box lid 22 can be attached to and detached from the box body 21 during work for connecting the connector (not shown) of the wire harness 17 to the sensor 12 or during maintenance. Although it is necessary to do, the attachment or detachment can be performed easily. Further, rattling of the box lid 22 attached to the box body 21 can be surely prevented by the grip member 28, and the box body 21, the box lid 22 and the grip member 28 have a very simple configuration. Therefore, the flow path box 2 is inexpensive.

  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.

  For example, although the example which fixes the box main body 21 to the downstream piping 6 was shown in the said embodiment, you may fix to not only this but the upstream piping 5 grade | etc.,.

  In the said embodiment, although the electric wires 15 and 16 are bundled with the wire harness 17, it is not restricted to this, Moreover, the wiring method of each electric wires 13-16 can be changed suitably.

  In the above embodiment, the flow path box 2 is used in the vertical direction, but may be configured so as to be used in the horizontal direction.

  In the above embodiment, the L-shaped groove 29 appears on the outer surface of the box lid 22, but for example, the L-shaped groove 29 is not a through-groove shape so that the L-shaped groove 29 does not appear on the outer surface of the box lid 22. The outer side may be a concave groove shape, or the L-shaped groove 29 may be provided on the box body 21 and the protrusion 30 may be provided on the inner surface of the box lid 22. Further, in place of the L-shaped groove 29, various shapes of grooves such as an arc-shaped groove can be adopted.

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

DESCRIPTION OF SYMBOLS 1 Water discharging part 2 Flow path box 3 Stop cock 4 Hose 5 Piping 5a Valve seat 6 Piping 7 Solenoid valve 7a Diaphragm 8 Hydroelectric generator 9 Power supply base 9a Rectification circuit 9b Storage voltage regulation circuit 9c Capacitor 9d Discharge voltage regulation circuit 9e selection Connection circuit 10 Backup power supply 11A Adapter 11B Quick fastener 12 Sensor 12a Power supply circuit 12b Solenoid valve drive circuit 12c Control circuit 12d Sensor circuit 13 Wire 14 Wire 15 Wire 16 Wire 17 Wire harness 21 Box body 22 Box cover 23 Screw hole 24 Screw groove 25 Rib 26 Top wall 26a Through hole 27 Bottom wall 27a Long groove 28 Grip member 29 L-shaped groove 29a Bent part 29b Non-locking groove part 29c Locking groove part 30 Projection 31 Concave groove g Gap

Claims (5)

A box body having a box body and a box lid covering the box body, and covering a part of the channel;
The box body and the box lid are provided with a notch-shaped avoiding portion for avoiding the pipe portion constituting the partial upstream portion or the downstream portion,
The box lid covers the box body in a detachable state from the box body, and when the box lid in the detachable state slides to the upstream or downstream part of the box body, The clip body is configured to be in a state in which it cannot be detached from the box body , and further provided with a clip member that can be inserted into a gap between the box cover and the box body in the state in which the box body cannot be detached. A position where the box lid is in a state in which the box lid cannot be detached in a state in which the tube portion located in the gap is detachably engaged and the clip member is engaged with the tube portion located in the gap. It is comprised so that it cannot slide to the position which becomes the said detachable state from the flow path box characterized by the above-mentioned. The box lid is provided with an L-shaped groove extending from an opening edge of the box lid, and the box body is provided with a protrusion that can be engaged with the L-shaped groove,
The L-shaped groove has a non-locking groove portion extending from an opening edge of the box lid to a bent portion of the L-shaped groove, and a lock groove portion that occupies the innermost portion of the L-shaped groove from the bent portion. ,
When the box lid is in the detachable state, the protrusion is located in the non-locking groove portion, and when the box lid is in the non-detachable state, the protrusion is located in the locking groove portion. The flow path box according to claim 1 . Electrically driven valve and hydro-generator provided in said portion, said electric driving valve and the claims 1 to any one of 2 configured to cover the power supply unit connected to the hydro-generator The flow path box described in 1. Arranged such that the upstream part of the part faces down and the downstream part faces up,
The water discharge portion provided on the downstream side of the part in the flow path has a sensor and is located above the part,
The electric wire connecting the electric drive valve or the power supply unit to the sensor is drawn out upward from the lower side of the box body along the concave groove formed on the outer surface of the box body. The flow path box according to claim 3 , which is configured. A faucet in which a part of a channel on the upstream side is covered with the channel box according to any one of claims 1 to 4 .

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