JP2017066615A - Water discharge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water discharge device with a reduced possibility that a flow passage switching part drops from a base part.SOLUTION: A flow passage switching member comprises a base part B that is fixed to a wall surface and connected to a water supply pipe and a first connection pipe, and a flow passage switching part C that interpolates the base part B in communication with the base part B and is to be operated by a user. A female thread formed on an outer peripheral end of an engaging part 133b in a flange part 133a of a switching body member 133 and a male thread formed on a front end flange 132a of a wall fixing member 132 are provided as a removable structure for attaching and detaching the flow passage switching part C to and from the base part B and a drop-off prevention structure for preventing the flow passage switching part C from dropping off from the base part B.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a water discharge device having a plurality of water discharge forms.

Conventionally, a switching valve that switches between water discharged from a shower and water discharged from a faucet for a bathtub is known (for example, Patent Document 1).
In such a switching valve, the base to which the pipe is connected is disposed on the back side of the wall surface, and the flow path switching unit operated by the user is disposed on the front side of the wall surface.

US Patent No. 7077150

  In the water discharge device including the water discharge valve, the pipe connected to the water discharge valve, and the water discharge member, the flow path switching unit and the base are simply screwed together to fix the switch valve to the wall surface. If the attachment between the switching part and the base part is incomplete, the flow path switching part may fall off from the base part arranged on the wall surface due to water pressure or the like.

  Therefore, the present invention solves the problems of the prior art as described above, that is, an object of the present invention is to provide a water discharge device that reduces the possibility of the flow path switching unit falling from the base. It is.

The invention according to claim 1 includes a first water discharge member that discharges hot water supplied from a water supply source, a second water discharge member that is disposed at a position different from the first water discharge member and discharges the hot water, and the water supply. A flow path switching member that is connected to a water source and supplies the hot water to the first water discharge member or the second water discharge member, a first connection pipe that connects the first water discharge member and the flow path switch member, and A water discharge device comprising a water supply pipe connecting a water supply source and the flow path switching member, wherein the flow path switching member is fixed to a wall surface and connected to the water supply pipe and the first connection pipe. A base, a channel switching unit that is inserted into the base and communicates with the base and is operated by a user, and a detachable structure that attaches and detaches the channel switching unit and the base, and the channel switching unit A drop-off prevention structure that prevents the base from falling off is provided between the base and the flow path cut-off. By being formed between the parts is intended to solve the aforementioned problems.
According to the water discharging device of the invention according to claim 1 configured as described above, the attachment / detachment structure for attaching / detaching the flow path switching unit and the base and the drop prevention structure for preventing the flow path switching unit from falling off from the base are provided at the base. Is formed between the flow path switching unit and the flow path switching unit and the base, while preventing the flow path switching unit from falling off from the base. Even if the mounting to the base is incomplete, the possibility that the flow path switching unit falls from the base can be reduced.

In the invention according to claim 2, in addition to the structure of the faucet device according to claim 1, a protrusion protruding from the outer peripheral surface of the base is formed at the front end of the base exposed from the wall surface, An engagement protrusion that protrudes from the inner peripheral surface of the flow path switching portion and engages with the protrusion is formed at the rear of the flow path switching portion, and the protrusion and the engagement protrusion are in the predetermined use position at the flow path. The above-described problem is solved by facing the switching unit in the insertion direction to the base.
According to the water discharge device of the invention according to claim 2 configured as described above, in addition to the effect of the invention according to claim 1, the protrusion and the engagement protrusion are provided at the base portion of the flow path switching unit at a predetermined use position. Because the protrusion and the engaging protrusion come into contact with each other when the flow path switching member is moved in the removal direction opposite to the insertion direction to the base at the use position, the flow path switching section is used. At the position, it is impossible to remove the base from the base, and it is possible to prevent the flow path switching unit from falling off the base.

According to a third aspect of the present invention, in addition to the structure of the faucet device according to the second aspect, the engagement protrusion of the flow path switching portion protrudes toward the protrusion of the base portion, and the engagement of the flow path switching portion. The joint protrusion and the protrusion of the base portion are screwed together when the flow path switching portion is attached to the base portion, thereby solving the above-described problem.
According to the water discharge device of the invention according to claim 3 configured as described above, in addition to the effect of the invention according to claim 2, the engagement protrusion of the flow path switching portion protrudes toward the protrusion of the base, Since the engagement protrusion of the path switching portion and the protrusion of the base portion are screwed together when the flow passage switching portion is attached to the base portion, the flow passage switching portion cannot be removed from the base portion unless it is screwed even at the insertion position. Even so, it is possible to prevent the flow path switching unit from easily falling off the base.

According to a fourth aspect of the present invention, in addition to the structure of the faucet device according to the second aspect, any one of the engagement protrusion of the flow path switching portion and the protrusion of the base portion is the flow path switching portion or The above-mentioned problem is solved by forming a projection passage groove formed on the entire outer periphery of the base portion and passing through the other projection at a predetermined insertion position in any one of the projections.
According to the water discharging device of the invention according to claim 4 configured as described above, in addition to the effect exerted by the invention according to claim 2, any one of the engagement protrusion of the flow path switching portion and the protrusion of the base portion is It is formed on the entire circumference of the outer periphery of the flow path switching part or the base, and a projection passage groove that allows the other projection to pass through at the insertion position is formed at one of the protrusions. In addition to the insertion position, the flow path switching part cannot be inserted into the base, that is, the flow path switching part cannot be removed from the base, and the flow path switching part cannot be removed from the base unless it is moved to the insertion position. It is possible to prevent the flow path switching unit from falling off the base.

According to a fifth aspect of the present invention, in addition to the configuration of the faucet device according to the fourth aspect, the insertion position and the use position are opposed to a longitudinal central axis of the flow path switching member. Thus, the above-described problems are solved.
According to the water discharge device of the invention according to claim 5 configured as described above, in addition to the effect of the invention according to claim 4, the insertion position and the use position are located on the central axis in the longitudinal direction of the flow path switching member. On the other hand, since the insertion position is separated from the use position by facing each other, even if the fixing of the flow path switching member by the rotation restricting member is released, there is a possibility that the flow path switching section may fall off from the base. Can be reduced.

According to a sixth aspect of the present invention, in addition to the structure of the faucet device according to any one of the second to fifth aspects, the second water discharge member and the flow path switching portion of the flow path switching member And the second water discharge member is a hand shower, and the flow path switching member includes a rotation restricting member that fixes the flow path switching unit at the use position. This solves the above-mentioned problem.
In the water discharge device of the invention according to claim 6 configured as described above, the second water discharge member is a hand shower that the user's hand holds, so that the flow path switching unit rotates relative to the base depending on the method of use. As a result, the flow path switching unit may reach the insertion position.
Therefore, according to the water discharge device of the invention according to claim 6, in addition to the effect of the invention according to any one of claims 2 to 5, the flow path switching member has the flow path switching portion at the use position. By providing the rotation restricting member to be fixed, the flow path switching unit is fixed at the use position and the rotation of the flow path switching unit with respect to the base is suppressed. The possibility that the path switching unit falls off the base can be suppressed.

  ADVANTAGE OF THE INVENTION According to this invention, the water discharging apparatus which reduces the possibility that a flow-path switching part will fall from a base part can be provided.

The schematic block diagram which shows the structure of the water discharging apparatus which is 1st Embodiment of this invention. FIG. 2 is a perspective sectional view of the flow path switching member of FIG. 1. FIG. 2 is a side cross-sectional view of the state in which the flow path switching member of FIG. FIG. 4 is a side cross-sectional view of a state where an overhead shower and a water supply source are made to communicate by moving the switching valve from the state of FIG. The rear perspective view and the perspective view of a base part of the flow-path switching member in 1st Embodiment of this invention. The schematic diagram of the assembly to the base of the channel change member in a 1st embodiment of the present invention. Side surface sectional drawing of the state which attached the flow-path switching member in 2nd Embodiment of this invention to the wall surface. The rear perspective view of the flow-path switching member in 2nd Embodiment of this invention, and the perspective view of a base.

<1. First Embodiment>
Based on FIG. 1 thru | or FIG. 6, the water discharging apparatus 100 which is 1st Embodiment of this invention is demonstrated.
FIG. 1 is a schematic configuration diagram showing a configuration of a water discharge device according to a first embodiment of the present invention, FIG. 2 is a perspective sectional view of a channel switching member in FIG. 1, and FIG. 3 is a channel switching in FIG. FIG. 4 is a side sectional view of a state in which a member is attached to a wall surface, FIG. 4 is a side sectional view of a state in which an overhead shower and a water supply source are communicated by moving a switching valve from the state of FIG. FIG. 6 is a rear perspective view and a perspective view of the base part of the flow path switching member in the first embodiment, and FIG. 6 is a schematic view of assembly of the flow path switching member to the base part in the first embodiment of the present invention.

<1.1. Configuration of water discharge device>
The water discharging apparatus 100 which is 1st Embodiment of this invention is mainly installed in a bathroom.
As shown in FIG. 1, the water discharge device 100 is disposed at a position different from the overhead shower 110 that is a first water discharge member that discharges the hot water H supplied from the water supply source S, and the hot water H is discharged from the overhead shower 110. A hand shower 120 which is a second water discharging member for discharging water.
Further, the water discharge device 100 includes a flow path switching member 130 that is connected to the water supply source S and supplies hot water H to the overhead shower 110 or the hand shower 120.
Further, the water supply source S has an opening / closing function, and can control the supply of hot water H to the downstream side (that is, the water discharge device 100).

Next, an approximate flow path configuration of the water discharge device 100 will be described.
The water supply source S, the overhead shower 110, the hand shower 120, and the flow path switching member 130 are connected by a pipe 140, respectively.
Specifically, the overhead shower 110 and the flow path switching member 130 are connected by a first connection pipe 141, and the hand shower 120 and the flow path switching member 130 are connected by a second connection pipe 142. The water source S and the flow path switching member 130 are connected by a water supply pipe 143.

<1.2. Structure of flow path switching member>
Next, the structure of the flow path switching member 130 will be described in detail with reference to FIGS.

  The channel switching member 130 is a substantially columnar member, and includes a base B fixed to the wall surface W, and a channel switching unit C that is inserted into the base B to communicate with the base B and is operated by the user. It is configured.

<1.2.1. Base Structure>
First, the structure of the base B will be described with reference to FIGS.
The base B includes a disk-shaped pipe connection base 131 attached to the back side of the wall surface W, an annular packing P1 fitted into the pipe connection base 131, and a generally annular wall fixing member 132 exposed from the wall W. It has.

  The pipe connection base 131 has a disk-like flange portion 131a that comes into contact with the back side of the wall surface W when fixed to the wall surface W, and a generally T-shape projecting from the flange portion 131a to the back surface (the back side direction of the wall surface W). The flow path portion 131b, a cylindrical wall surface insertion portion 131c that protrudes from the center of the flange portion 131a toward the front surface (the front side direction of the wall surface W), and a protrusion portion 131d that further protrudes from the tip of the wall surface insertion portion 131c to the front surface. And.

The flange portion 131a has a plurality of fastening holes 131e formed with female threads.
Two outflow holes 131f communicating with the first connection pipe 141 are formed in the flow path portion 131b in the horizontal direction (see FIG. 2), and these two outflow holes 131f are arranged at opposing positions.
Further, an inflow hole 131g communicating with a water supply pipe 143 extending from the water supply source S is formed in the flow path portion 131b in the vertical direction.
The wall surface insertion portion 131c has an outer diameter that is substantially equal to the inner diameter of the opening Wh formed in the wall surface W (the extent that the opening Wh and the wall surface insertion portion 131c can be fitted), and is inserted into the opening Wh.
As described above, the protruding portion 131d protrudes from the tip of the wall surface insertion portion 131c to the front surface, and protrudes forward from the wall surface W.

  The annular packing P <b> 1 seals between the wall fixing member 132 and the wall surface W, and the inner diameter thereof is larger than the diameter of the opening Wh of the wall surface W.

  The wall fixing member 132 is a substantially circular columnar member, and the inner diameter thereof is substantially equal to the outer diameter of the protruding portion 131d of the pipe connecting base material 131 (the wall fixing member 132 and the protruding portion 131d of the pipe connecting base material 131 are fitted). It can be combined).

In addition, circular flanges (a front end flange 132a and a rear end flange 132b) are formed at both ends of the opening of the wall fixing member 132, respectively.
The front end flange (projection) 132a protrudes from the outer peripheral surface of the wall fixing member 132, and has a smaller diameter than the rear end flange 132b.
A male screw is formed at the outer peripheral end of the front end flange 132a.

The rear end flange 132b comes into contact with the annular packing P1 when the base B is attached to the wall surface W.
The rear end flange 132b is formed with a plurality of through holes 132c that penetrate the fastening bolts BO (see FIG. 5).

Here, a procedure for fixing the base B configured as described above to the wall surface W will be described.
First, the wall surface insertion portion 131c and the protruding portion 131d of the pipe connection base member 131 are inserted from the back side of the wall surface W into the opening Wh formed in advance on the wall surface W.
Then, from the front side of the wall surface W, the annular packing P1 and the wall fixing member 132 are fitted and inserted in this order into the protruding portion 131d of the pipe connection base 131.
Then, the fastening bolt BO is passed through the through hole 132 c and screwed into the fastening hole 131 e formed in the flange portion 131 a of the pipe connection base material 131.
By fastening the fastening bolt BO to the fastening hole 131e, the wall surface W is clamped by the base portion B, so that the base portion B is fixed to the wall surface W.

<1.2.2. Structure of flow path switching unit>
Next, the structure of the flow path switching unit C will be described.
The flow path switching unit C is formed by a substantially cylindrical switching main body member 133 attached to the front side of the wall surface W and an operation handle 134 disposed in front of the switching main body member 133 (front side of the wall surface W).

The switching body member 133 is fixed to the wall surface W when a generally disc-shaped flange portion 133 a formed on the rear end side (rear side) is coupled to the wall fixing member 132.
A cylindrical opening is formed on the rear end side of the flange portion 133a, and an engagement portion (engagement protrusion) 133b protruding from the inner peripheral surface of the flange portion 133a toward the opening is a rear end of the flange portion 133a. It is formed over the entire circumference of the opening formed on the side.
The engaging portion 133b is provided with a female screw, and is engaged with a male screw formed on the outer peripheral end of the front end flange 132a of the wall fixing member 132 described above.

  In order to prevent water leakage from between the switching body member 133 and the wall fixing member 132, an annular packing P2 is sandwiched between the switching body member 133 and the wall fixing member 132.

An opening space CS penetrating the switching body member 133 is formed at the center of the switching body member 133 in the longitudinal direction, and various functional parts are accommodated in the opening space CS.
Further, the opening space CS has a substantially double structure by a partition wall 133c extending from the rear end of the switching body member 133 to the vicinity of the center in the longitudinal direction.
That is, the opening space CS is a substantially cylindrical space CS1 from the front end of the switching body member 133 to the vicinity of the center in the longitudinal direction, and the switching body member 133 and the partition wall 133c from the vicinity of the center of the switching body member 133 to the rear end. Thus, a double-structured space composed of an outer peripheral space CS2 and an inner peripheral space CS3 is formed.

The substantially columnar space CS1 further communicates with a hand shower communication hole 133d extending upward from the bottom surface side of the switching main body member 133.
The hand shower communication hole 133 d communicates with the second connection pipe 142 connected to the hand shower 120.

The inner circumferential space CS3 further communicates with a vent hole 133e formed in the partition wall 133c and extending upward from the bottom surface side of the switching main body member 133.
An air inflow valve (watertight breaking check valve) 135 and an air inflow valve restraint 136 are provided in the vent hole 133e.
In addition, a check valve 137 and a check valve restraint 138 that are flow rate restricting members that restrict the flow rate supplied to the downstream side of the flow path switching member 130 are provided at the rear end portion of the inner circumferential space CS3.

Next, the operation handle 134 will be described.
The operation handle 134 includes a handle main body 134a to be gripped by a user, a columnar shaft 134b attached to the handle main body 134a, and an engagement with the switching main body member 133 attached to the shaft 134b. A sealing member 134c that seals in the longitudinal direction and a generally annular switching valve 134d that is attached to the tip of the shaft 134b and contacts the valve seat 133f (see FIG. 4) on the front end side of the partition wall 133c are provided.
Further, a biasing spring 134e, which is a switching valve biasing mechanism, is inserted between the sealing member 134c of the shaft 134b and the switching valve 134d.

The switching valve 134d abuts not only the valve seat 133f but also a valve seat 134f provided at the rear end of the sealing member 134c.
That is, the switching valve 134d moves between the valve seat 133f of the switching main body member 133 and the valve seat 134f of the sealing member 134c in accordance with the switching of the operation handle 134.

<1.2.3. Channel configuration of channel switching member>
Subsequently, the flow path of the flow path switching member 130 will be described with reference to FIGS. 3 and 4.
First, the flow path communicating with the inner peripheral space CS3 and the outflow hole 131f of the pipe connection base 131 and the first connection pipe 141 is defined as a first internal flow path L1.
In addition, the flow path communicating with the second connection pipe 142 through the space CS1 and the hand shower communication hole 133d of the switching body member 133 is defined as a second internal flow path L2.
In addition, a flow path communicating with the outer peripheral space CS2 of the switching main body 133 and the inflow hole 131g of the pipe connection base member 131 and communicating with the water supply pipe 143 is defined as a supply flow path L3.

In the flow path of the flow path switching member 130 configured in this way, as shown in FIG. 4, the operation handle 134 is operated to separate the switching valve 134d from the valve seat 133f so as to contact the valve seat 134f. The supply flow path L3 and the first internal flow path L1 are connected, and a first flow path extending from the supply flow path L3 to the first connection pipe 141 is formed.
Further, as shown in FIG. 3, the supply flow path L3 and the second internal flow path L2 are connected by operating the operation handle 134 to move the switching valve 134d away from the valve seat 134f and abut against the valve seat 133f. Thus, a second flow path extending from the supply flow path L3 to the second connection pipe 142 is formed.

<1.3. Procedure for fixing switching body member to wall fixing member>
Subsequently, a procedure for fixing the switching main body member 133 to the wall fixing member 132 will be described with reference to FIGS. 2, 3, 5, and 6.
As shown in FIG. 5, the pipe connection base 131 is fixed to the wall surface W by the wall fixing member 132 (that is, the base B is fixed to the wall surface W). The flange portion 133a of the switching main body member 133 is extrapolated.
Then, the male screw formed at the outer peripheral end of the front end flange 132a of the wall fixing member 132 and the female screw formed at the outer peripheral end of the engaging portion 133b in the flange portion 133a of the switching main body member 133 are screwed together to switch. The flange portion 133a of the main body member 133 is screwed.

When the flange portion 133a of the switching body member 133 is screwed in by the screw length formed on the front end flange 132a of the wall fixing member 132, the engaging portion 133b of the switching body member 133 is connected to the front end flange 132a of the wall fixing member 132. It arrange | positions in the arbitrary positions between the rear-end flange 132b.
When the switching main body member 133 is removed from the wall fixing member 132, the male screw formed at the outer peripheral end of the front end flange 132 a of the wall fixing member 132 and the outer peripheral end of the engaging portion 133 b in the flange portion 133 a of the switching main body member 133. After the threaded female screw is screwed together, the switching main body member 133 may be screwed in the direction opposite to that at the time of attachment.
By doing in this way, the attachment / detachment structure of the flow path switching unit C is formed between the flow path switching unit C and the base B.

When the engaging portion 133b of the switching body member 133 is disposed at an arbitrary position between the front end flange 132a and the rear end flange 132b of the wall fixing member 132, the outer periphery of the front end flange 132a of the wall fixing member 132 After the male screw formed at the end and the female screw formed at the outer peripheral end of the engaging portion 133b in the flange portion 133a of the switching main body member 133 are screwed together, the switching main body member 133 is screwed in the direction opposite to that at the time of attachment. The switch main body member 133 cannot be removed from the wall fixing member 132 unless it is advanced.
Therefore, the female screw formed on the outer peripheral end of the engaging portion 133b in the flange portion 133a of the switching main body member 133 and the male screw formed on the front end flange 132a of the wall fixing member 132 provide a structure for preventing the switching main body member 133 from falling off. The switching body member 133 that is a heavy object can be prevented from falling to the floor.

Next, the switching body member 133 is pressed against the annular packing P2 to such an extent that the annular packing P2 between the switching body member 133 and the wall fixing member 132 exhibits sufficient sealing performance, and the position as shown in FIG. Then, the switching main body member 133 is disposed at a position where the hand shower communication hole 133d extends vertically downward (this position is referred to as “use position” in the present embodiment).
In this state, as shown in FIG. 6, a set screw 139 (see FIG. 2) is inserted from the front side of the flange portion 133 a to bring the set screw 139 into contact with the wall fixing member 132.
Accordingly, the set screw 139 functions as a rotation restricting member that fixes the flow path switching unit C to the base B at the use position.
Further, in a state where the switching main body member 133 is fixed at the use position by the set screw 139, the engaging portion 133b of the switching main body member 133 (that is, the protrusion of the flow path switching portion C) and the front end flange 132a of the wall fixing member 132 are used. (That is, the engagement protrusion of the base B) opposes in the insertion direction of the flow path switching unit C into the base B (the longitudinal direction of the flow path switching member 130).

<1.4. Operation>
Then, operation | movement of the water discharging apparatus 100 comprised in this way is demonstrated.
<1.4.1. When still water>
First, the water stop time when the hot water H is not supplied from the water supply source S will be described.
At this time, the urging force of the urging spring 134e and the hot water pressure between the switching valve 134d and the check valve 137 act on the switching valve 134d.
Here, the urging force of the urging spring 134e is set to be greater than the hot water pressure between the switching valve 134d and the check valve 137.
Therefore, when the water stops, the switching valve 134d contacts the valve seat 133f as shown in FIG. 3, and the water in the first flow path does not flow into the second flow path.

<1.4.2. Water discharge from hand shower>
Next, a case where the user does not operate the operation handle 134 in a state where the hot water H is supplied from the water supply source S will be described.
At this time, the urging force of the urging spring 134e, the water pressure in the second internal flow path L2, and the hot water pressure between the switching valve 134d and the check valve 137 act on the switching valve 134d.
Therefore, even when the user does not operate the operation handle 134 in a state where hot water is supplied from the water supply source S, the switching valve 134d abuts on the valve seat 133f, and the supply flow path L3 and the second internal flow path L2 Is connected.
Accordingly, a second flow path extending from the supply flow path L3 to the second connection pipe 142 is formed, and water is discharged from the hand shower 120.
At this time, since the switching valve 134d is in contact with the valve seat 133f, the hot water in the first channel does not flow into the second channel.

<1.4.3. Water discharge from overhead shower>
Next, a case where the user pulls the operation handle 134 while hot water H is being supplied from the water supply source S will be described.
At this time, the switching valve 134d is separated from the valve seat 133f of the switching body member 133 by the user's operating force and abuts on the valve seat 134f of the sealing member 134c.
In this state, when the user releases his / her hand from the operation handle 134, the urging force of the urging spring 134e and the water pressure in the first flow path act on the switching valve 134d.
Here, the biasing force of the biasing spring 134e is set to be larger than the water pressure in the first flow path.
Accordingly, when the user pulls the operation handle 134 while hot water H is being supplied from the water supply source S, the switching valve 134d comes into contact with the valve seat 134f of the sealing member 134c, and the supply flow path L3 and the first flow path L3. The internal flow path L1 is connected.
Accordingly, a first flow path extending from the supply flow path L3 to the first connection pipe 141 is formed, and water is discharged from the overhead shower 110.

<1.5. Effect>
The water discharge device 100 according to the first embodiment of the present invention thus obtained is an attachment / detachment structure that attaches / detaches the flow path switching unit C and the base B, and a dropout that prevents the flow path switching unit C from falling off the base B. The prevention structure is formed between the base part B and the flow path switching part C, so that the flow path switching part C and the base part B can be attached and detached while the base part B of the flow path switching part C is removed. Since the drop-off is prevented, the possibility that the flow path switching unit C falls from the base B can be reduced even if the mounting of the flow path switching unit C to the base B is incomplete.

  Further, the front end flange 132a that is a protrusion and the engagement portion 133b that is an engagement protrusion face each other in the insertion direction to the base B of the flow path switching unit C at a predetermined use position, thereby switching the flow path at the use position. When the member 130 is moved in the removal direction opposite to the insertion direction to the base B, the front end flange 132a and the engaging portion 133b come into contact with each other, so that the flow path switching unit C cannot be removed from the base B at the use position. It is possible to prevent the switching unit C from falling off the base B.

  Furthermore, the engaging part 133b of the flow path switching part C projects toward the front end flange 132a of the base part B, and the engaging part 133b of the flow path switching part C and the front end flange 132a of the base part B are connected to the flow path switching part C. Since the flow path switching unit C cannot be removed from the base B unless it is screwed even at the insertion position by screwing when attaching to the base B, the flow path switching unit C can be easily removed from the base B even at the insertion position. It can suppress falling off.

  Further, since the flow path switching member 130 includes a set screw 139 that is a rotation restricting member that fixes the flow path switching section C at a required use position, the flow path switching section C is fixed at the use position and flows. Since the rotation of the path switching unit C with respect to the base B is suppressed, even if the second water discharge member is the hand shower 120, the possibility that the flow path switching unit C drops off from the base B can be suppressed.

<2. Second embodiment>
Then, the water discharging apparatus 200 which is 2nd Embodiment of this invention is demonstrated with FIG. 7 and FIG.
FIG. 7 is a side sectional view of a state in which the flow path switching member according to the second embodiment of the present invention is attached to a wall surface, and FIG. 8 is a rear perspective view and a base portion of the flow path switching member according to the second embodiment of the present invention. FIG.

<2.1. Configuration>
The water discharge device 200 according to the second embodiment is obtained by changing the structure of the wall fixing member 132 and the switching main body member 133 of the flow path switching member 130 of the water discharge device 100 according to the first embodiment. Since it is common with the water discharging apparatus 100 of a form, detailed description is abbreviate | omitted about a common matter, and it shall only attach | subject the code | symbol of the 200th series which the last 2 digits are common.

First, the wall fixing member 232 will be described.
The wall fixing member 232 has circular flanges (a front end flange 232a and a rear end flange 232b) at both ends of the opening.
The front end flange (projection) 232a protrudes from the outer peripheral surface of the wall fixing member 232 and has a smaller diameter than the rear end flange 232b.
Thereby, when the flow path switching unit C is attached to the base B, the rear end flange 232b comes into contact with a switching main body member 233 described later.

A rectangular projection passage groove 232d is formed at the lower end of the front end flange 232a in a front view, and the projection passage groove 232d passes through the front end flange 232a.
Note that the position of the protrusion passage groove 232d may be a place other than the lower end as long as it is formed in the front end flange 232a.

The rear end flange 232b comes into contact with the annular packing P1 when the base B is attached to the wall surface W.
The rear end flange 232b is formed with a plurality of through holes 232c that pass through the fastening bolts BO (not shown in FIG. 8).

Next, the switching main body member 233 will be described, but since many elements are common to the switching main body member 133 of the first embodiment, detailed description of common matters is omitted.
The switching main body member 233 is fixed to the wall surface W by a generally disc-shaped flange portion 233 a formed on the rear end side (rear side) and the wall fixing member 232.
A cylindrical opening is formed on the rear end side of the flange portion 233a, and an engaging portion (engaging protrusion) 233b protruding from the inner peripheral surface of the flange portion 233a toward the opening is formed.

The engaging portion 233b is formed at the top portion above the center of the switching main body member 233 in front view, and is opposed to the hand shower communication hole 233d with respect to the longitudinal central axis of the switching main body member 233.
The width of the engaging portion 233b (the length in the left-right direction when viewed from the front) is formed smaller than the width (the length in the left-right direction when viewed from the front) of the protrusion passage groove 232d of the wall fixing member 232.
That is, the engaging portion 233 b of the switching main body member 233 can freely pass through the protrusion passage groove 232 d of the wall fixing member 232.
In the present embodiment, there is only one engaging portion 233b, but there may be a plurality of engaging portions.
Further, the position of the engaging portion 233b is most preferably the position of the present embodiment, but any position may be used as long as it protrudes from the inner peripheral surface of the flange portion 233a.

Further, in the present embodiment, the protrusion (front end flange 232a) of the wall fixing member 232 is formed on the entire outer periphery of the wall fixing member 232 (that is, the base B), and the switching body member 233 is engaged on the protrusion. A protrusion passage groove 232d through which the protrusion (engaging portion 233b) passes is formed.
However, the engaging protrusion (engaging portion 233b) of the switching main body member 233 is formed on the entire outer periphery of the switching main body member 233 (that is, the flow path switching portion C) and the wall fixing member 232 is placed on the engaging protrusion. A protrusion passage groove through which the protrusion (front end flange 232a) passes may be formed.

<2.2. Procedure for fixing switching body member to wall fixing member>
Next, a procedure for fixing the switching main body member 233 to the wall fixing member 232 will be described with reference to FIGS. 7 and 8.
As shown in FIG. 8, in a state where the wall fixing member 232 is fixed to the wall surface W (that is, a state where the base B is fixed to the wall surface W), the engaging portion 233 b of the switching main body member 233 is connected to the wall fixing member 232. The switching body member 233 is disposed at a position where the front end flange 232a can pass through the protrusion passage groove 232d (hereinafter referred to as “insertion position”).
The “insertion position” in the present embodiment is a position where the cylindrical hose joint 234g inserted into the hand shower communication hole 233d of the switching main body member 233 is vertically upward, in other words, the engaging portion 233b is the position of the switching main body member 233. It means the position located at the lower end.

By disposing the switching main body member 233 at the insertion position, the engaging portion 233b of the switching main body member 233 can pass through the protrusion passage groove 232d in the front end flange 232a of the wall fixing member 232, so that the switching main body member 233 is moved to the wall fixing member 232. Can be inserted and removed.
Therefore, the attachment / detachment structure of the flow path switching unit C is formed between the flow path switching unit C and the base B by the engaging portion 233 b of the switching main body member 233 and the projection passage groove 232 d of the wall fixing member 232.

After the switching body member 233 is inserted into the wall fixing member 232, the switching body member 233 is rotated to the use position.
The “use position” in the present embodiment means the position of the switching main body member 233 as shown in FIG. 7, in other words, the position where the hose joint 234g extends vertically downward.
That is, the insertion position is opposed to the use position and the central axis in the longitudinal direction of the flow path switching member.

By rotating the switching body member 233 to the use position, the engaging portion 233b of the switching body member 233 is disposed at an arbitrary position between the front end flange 232a and the rear end flange 232b of the wall fixing member 232, and the switching body member Unless the 233 is rotated to the insertion position, the switching main body member 233 does not fall off the wall fixing member 232.
Therefore, the engaging portion 233b in the flange portion 233a of the switching main body member 233 and the front end flange 232a of the wall fixing member 232 serve as a structure for preventing the switching main body member 233 from falling out, and the switching main body member 233, which is a heavy object, falls to the floor. Can be prevented.

Next, the switching main body member 233 is pressed against the annular packing P2 to such an extent that the annular packing P2 between the switching main body member 233 and the wall fixing member 232 exhibits a sufficient sealing performance.
In this state, a set screw is inserted from the front side of the flange portion 233a, and the set screw and the wall fixing member 232 are brought into contact with each other.
Accordingly, the set screw 239 functions as a rotation restricting member that fixes the flow path switching unit C to the base B at a required use position.

<2.3. Effect>
The water discharger 200 according to the second embodiment of the present invention thus obtained is a detachable structure that attaches and detaches the flow path switching unit C and the base B, and a dropout that prevents the flow path switching unit C from dropping from the base B. The prevention structure is formed between the base part B and the flow path switching part C, so that the flow path switching part C and the base part B can be attached and detached while the base part B of the flow path switching part C is removed. Since the drop-off is prevented, the possibility that the flow path switching unit C falls from the base B can be reduced even if the mounting of the flow path switching unit C to the base B is incomplete.

  In addition, the front end flange 232a that is a protrusion and the engagement portion 233b that is an engagement protrusion face each other in the insertion direction to the base B of the flow path switching unit C at a predetermined use position, thereby switching the flow path at the use position. When the member 230 is moved in the removal direction opposite to the insertion direction to the base B, the front end flange 232a and the engagement portion 233b come into contact with each other, and therefore the flow path switching unit C cannot be removed from the base B at the use position. It is possible to prevent the switching unit C from falling off the base B.

  Further, either one of the engaging portion 233b of the flow path switching portion C and the front end flange 232a of the base portion B is formed on the entire outer periphery of the flow path switching portion C or the base portion B, and at the insertion position at the front end flange 232a. By forming the projection passage groove 232d through which the other projection passes, the flow path switching unit C can be inserted into the base B at the insertion position, and the flow path switching unit C can be inserted into the base B at a position other than the insertion position. In other words, the flow path switching unit C cannot be removed from the base B, and the flow path switching unit C cannot be removed from the base B unless the flow path switching unit C is moved to the insertion position, thereby preventing the flow path switching unit C from falling off the base B. it can.

  Further, since the insertion position is away from the use position because the insertion position and the use position are opposed to the longitudinal center axis of the flow path switching member 230, the flow path switching by the set screw 239 is temporarily performed. Even if the fixing of the member 230 is released, the possibility that the flow path switching unit C falls off the base B can be reduced.

  Further, since the flow path switching member 230 includes a set screw 239 that is a rotation restricting member that fixes the flow path switching section C at the use position, the flow path switching section C is fixed at the use position and the flow path switching is performed. Since the rotation with respect to the base B of the part C is suppressed, even if the second water discharge member is the hand shower 220, the possibility that the flow path switching part C drops off from the base B can be suppressed.

<3. Modification>
As mentioned above, although the form for implementing this invention was demonstrated, this invention is not limited above.

  For example, in the form for implementing this invention, although the water discharging apparatus was provided with the overhead shower and the hand shower, it may be further provided with a currant.

  In addition, the overhead shower as the first water discharge member may be any one as long as it is fixed to the wall surface and can pour hot water over the user's head. It is possible to discharge water toward the user, or to protrude from the standing wall surface of the bathroom and discharge water toward the user's head.

  In addition, the hand shower that is the second water discharge member may have any shape or form of water discharge as long as the user grips and uses the hand shower.

  In addition, the elements included in the above-described embodiments can be combined as long as technically possible, and combinations thereof are also included in the scope of the present invention as long as they include the features of the present invention.

DESCRIPTION OF SYMBOLS 100 ... Water discharging apparatus 110 ... Overhead shower (1st water discharging member)
120 ... Hand shower (second water discharge member)
130 ... Channel switching member 131 ... Pipe connection substrate 131a ... Flange part 131b ... Channel part 131c ... Wall surface insertion part 131d ... Projection part 131e ... Fastening hole 131f・ ・ ・ Outflow hole 131g ・ ・ ・ Inflow hole 132 ・ ・ ・ Wall fixing member 132a ・ ・ ・ Front end flange (protrusion)
132b ... Rear end flange 132c ... Through hole 133 ... Switching body member 133a ... Flange part 133b ... Engagement part (engagement protrusion)
133c ・ ・ ・ Partition wall 133d ・ ・ ・ Hand shower communication hole 133e ・ ・ ・ Ventilation hole 133f ・ ・ ・ Valve seat 134 ・ ・ ・ Operation handle 134a ・ ・ ・ Handle main body 134b ・ ・ ・ Shaft 134c ・ ・ ・ Sealing member 134d: switching valve 134e: biasing spring (switching valve biasing mechanism)
134f ... Valve seat 135 ... Air inflow valve (check valve for watertight destruction)
136: Air inflow valve suppression 137: Flow restrictor (check valve)
138 ... Check valve restraint 139 ... Set screw (rotation restricting member)
140 ... Piping 141 ... First connection pipe 142 ... Second connection pipe 143 ... Water supply pipe 150 ... Drainage unit

200 ... Water discharging device 220 ... Hand shower 230 ... Channel switching member 232 ... Wall fixing member 232a ... Front end flange (protrusion)
232b ... Rear end flange 232c ... Through hole 232d ... Projection passage groove 233 ... Switching body member 233a ... Flange part 233b ... Engagement part (engagement protrusion)
239 ... Set screw (rotation restricting member)

B ... Base C ... Flow path switching part CS ... Opening space CS1 ... Space CS2 ... Outer peripheral space CS3 ... Inner peripheral space L1 ... First internal flow path L2 ... Second internal flow path L3 ... Supply flow path BO ... Fastening bolt H ... Hot water S ... Water supply source P1 ... Annular packing P2 ... Annular packing W ... Wall surface Wh ... Opening

Claims (6)

A first water discharge member that discharges hot water supplied from a water supply source, a second water discharge member that is disposed at a position different from the first water discharge member and discharges the hot water, and the hot water connected to the water supply source. A flow path switching member that supplies the first water discharge member or the second water discharge member, a first connection pipe that connects the first water discharge member and the flow path switching member, the water supply source, and the flow path switching member. A water discharge device comprising:
The flow path switching member is fixed to a wall surface and connected to the water supply pipe and the first connection pipe, and a flow path switching section that is inserted into the base to communicate with the base and is operated by a user. With
An attachment / detachment structure for attaching / detaching the flow path switching unit and the base and a drop-off preventing structure for preventing the flow path switching unit from falling off from the base are formed between the base and the flow path switching unit. A water discharger characterized by the above. A protrusion protruding from the outer peripheral surface of the base is formed at the front end of the base exposed from the wall surface,
An engagement protrusion that protrudes from the inner peripheral surface of the flow path switching portion and engages with the protrusion is formed behind the flow path switching portion,
The water discharge device according to claim 1, wherein the protrusion and the engagement protrusion face each other in a predetermined use position in a direction in which the flow path switching unit is inserted into the base. The engagement protrusion of the flow path switching part protrudes toward the protrusion of the base part,
The water discharge device according to claim 2, wherein the engagement protrusion of the flow path switching portion and the protrusion of the base portion are screwed together when the flow path switching portion is attached to the base portion. Either one of the engagement protrusion of the flow path switching part and the protrusion of the base part is formed on the entire outer periphery of the flow path switching part or the base part,
The water discharge device according to claim 2, wherein a protrusion passage groove is formed in the one of the protrusions to allow the other protrusion to pass through at a predetermined insertion position.   The water discharge device according to claim 4, wherein the insertion position and the use position are opposed to a central axis in a longitudinal direction of the flow path switching member. And a second connection pipe that connects the second water discharge member and the flow path switching portion of the flow path switching member,
The second water discharge member is a hand shower,
The water discharge device according to any one of claims 2 to 5, wherein the flow path switching member includes a rotation regulating member that fixes the flow path switching unit at the use position.

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