JP2018090994A - Drain plug device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drain plug device that can further reliably prevent breakage and deformation of a member and can enhance workability, installation freedom and the like.SOLUTION: A drain plug device 1 comprises a plug cover for opening and closing a drainage port 103, piping 2 as a drainage member, and a transmission driving member 5 having a driving member 51 and a reciprocally movable transmitting member 52. In the case where a downward force is applied to the plug cover in a state in which the plug cover is moved upward, the drain plug device is configured such that a load is applied to the transmission member 52 in the reciprocating direction thereof. The transmission member 52 is capable of absorbing an overload in a reciprocating movement direction and has an absorber moving portion 5212 as a shock absorber disposed at a position deviated from a flow channel of a drainage flowing through the drainage port 103. A transmission member accommodating portion 82 accommodating the transmission member 52 comes into contact with or is in proximity to an outer surface of the piping 2, and is in a state of extending in a tangential direction with respect to the outer surface in plan view.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a drain plug device provided corresponding to a flow path of drainage from a tank body.

  Conventionally, as a drain plug device provided in a tank body (for example, a bathtub, a basin, etc.), a cylindrical drainage member that constitutes a drainage channel that flows down from a drain port, and a plug lid for opening and closing the drain port And a support shaft mechanism for supporting the stopper lid in a vertically movable state and a driving shaft mechanism disposed in the drainage member, and a driving force generated by displacement of a predetermined operation member (for example, an operation button or an operation handle). A device including a transmission member capable of reciprocating for transmitting to a support shaft is known (see, for example, Patent Document 1). In such a drain plug device, the transmission member reciprocates with the displacement of the operation member, whereby the support shaft and the plug lid move up and down, and as a result, the drain port is opened and closed.

  Further, a rotatable disk-shaped or rod-shaped drive member, and a rod-shaped drive member that protrudes from the outer peripheral surface of the drive member along the rotation axis direction or protrudes from the outer peripheral surface of the rotation member and is disposed in the drainage member. A method of providing a support member and supporting the stopper lid by the support member has also been proposed (see, for example, Patent Document 2). In this method, the support member moves up and down as the drive member rotates as the transmission member moves. Thereby, the stopper lid supported by the support member also moves up and down, and the drain port is opened and closed. Moreover, the drive member is accommodated in the external cylinder part (attachment pipe) which protrudes outside from the drainage member. In the above method, the transmission member is not disposed in the outer cylinder portion.

JP 2010-37923 A Japanese Patent No. 56777782

  By the way, in the above method, when the plug lid is stepped up, that is, when the drain lid is open, a large force is applied downward to the plug lid. there is a possibility. When such a force is applied to the plug lid, an overload is applied to the member that operates in accordance with the displacement of the operation member such as the support member and the transmission member via the plug lid, and the surrounding members. May be damaged or deformed.

  Moreover, in the said method, an external cylinder part is a shape extended along the protrusion direction (direction which cross | intersects the said outer surface) from the outer surface of a drainage member. Therefore, for example, when the transmission member is extended to the operation member side and the outer cylinder portion is extended and the transmission member is disposed inside the extended outer cylinder portion, A cylinder part will be in the state which protruded excessively from the drainage member. For this reason, the uniting of the drainage member and the external cylinder part is deteriorated, and the workability related to the installation (installation) and maintenance of the apparatus may be reduced. In addition, it is conceivable that a large space is required to arrange the external cylinder portion, and the degree of freedom of installation of the apparatus becomes insufficient.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to prevent damage and deformation of the member more reliably and to accommodate the transmission member in the external cylinder portion. However, an object of the present invention is to provide a drain plug device capable of improving workability, installation flexibility, and the like.

  In the following, each means suitable for solving the above-described object will be described in terms of items. In addition, the effect specific to the means to respond | corresponds as needed is added.

Means 1. A plug lid that can be moved up and down to open and close a drain outlet provided in the tank body,
An operation member capable of relative displacement with respect to the tank body;
A drainage member that has a communication hole that penetrates from the inside to the outside;
A cylindrical outer tube portion extending from the drainage member in a state where its own internal space communicates with the inside of the drainage member via the communication hole, and is substantially indisplaceable relative to the drainage member; ,
A driving member that directly or indirectly supports the stopper lid, and that is operable to move the supporting member up and down, and provided between the driving member and the operating member. A transmission drive member having a transmission member that transmits a driving force to the drive member by reciprocating by displacement of the member;
A driving force due to the displacement of the operation member is transmitted to the driving member via the transmission member, and the stopper is moved up and down by operating the driving member and moving the support member up and down. A drain plug device,
A housing portion including at least the outer tube portion and having a housing space for housing the transmission drive member, which includes an inner space of the communication hole and the outer tube portion,
In a state where the support member protrudes from the inside of the drainage member through the communication hole, a drive member accommodating portion in which the drive member is accommodated,
It is constituted by the outer cylinder part, and has a transmission member accommodating part in which the transmission member is accommodated,
When a downward force is applied to the stopper lid with the stopper lid moving upward, the transmission member is configured to be loaded along the reciprocating direction thereof,
The transmission member is capable of absorbing an overload along the reciprocating direction, and includes a shock absorber disposed at a position away from the drainage flow path flowing through the drainage port,
The drainage plug characterized in that the transmission member housing portion is in contact with or close to the outer side surface of the drainage member and extends in a tangential direction with respect to the outer side surface when viewed from above. apparatus.

  In addition, the external cylinder part is “substantially incapable of relative displacement with respect to the drainage member” means that the external cylinder part is usually formed of a relatively hard or semi-rigid resin or metal and is not greatly deformed. This means that it is not a soft tube that can be deformed relatively easily. Moreover, the state in which the transmission member housing portion is “close to the drainage member” means, for example, a state where the shortest distance from the inner surface of the transmission member housing portion to the inner surface of the drainage member is 20 mm or less.

  In addition, the “drainage member” may be cylindrical or non-cylindrical (for example, wall-shaped). When the outer surface of the drainage member is flat, the “tangential direction” has the same meaning as the direction along the outer surface of the drainage member.

  In addition, when the transmission member housing portion is in contact with the outer surface of the drainage member and the outer surface is in a state of being embedded in the transmission member housing portion in appearance, the `` tangential direction '' It can be said that it is a tangential direction with respect to a virtual outer surface corresponding to the outer surface, which is formed based on other outer surfaces located around the outer surface. For example, in the cross-section along the horizontal direction, when the other outer surface located around the outer surface forms an arc, the “tangential direction” means that the outer surface formed by extending the arc. It can be said that it is a tangential direction with respect to the outer side surface of the virtual arcuate section corresponding to the side surface.

  According to the means 1, the transmission member includes the shock absorber, and the shock absorber can absorb an overload along the reciprocating direction of the transmission member. Therefore, when a downward force is applied to the plug lid in a state where the plug lid is moved up (when the drain port is opened), the load applied to the transmission drive member can be absorbed by the shock absorber. . Thereby, it is possible to prevent an excessively large force from being applied to each member of the transmission drive member (support member, drive member, transmission member) and a member (accommodating portion) positioned around the transmission drive member. As a result, damage and deformation of the member can be prevented more reliably.

  Furthermore, when a shock absorber is provided in the flow path of drainage flowing (passed through) the drainage port (for example, inside the drainage member when the drainage member has a cylindrical shape), the amount of the shock absorber exists, There is a concern that the parts disposed in the drainage flow path will become large and the drainage performance will deteriorate. In addition, foreign matter and dirt contained in the drainage easily adhere to the components placed in the drainage flow path, so that hygiene and cleaning properties are reduced, and chemicals (detergents, etc.) contained in the drainage are deteriorated. It is possible that the shock absorber components are likely to deteriorate due to the influence.

  On the other hand, according to the means 1, the shock absorber is disposed at a position away from the drainage flow path flowing through the drainage port. Therefore, good drainage performance, hygiene, etc. can be realized. In addition, it is possible to make the deterioration of the components of the shock absorber more difficult, and to extend the life of the device. Furthermore, since the shock absorber is disposed at a position away from the drainage flow path, the shock absorber can be replaced and maintained relatively easily.

  Further, according to the above means 1, the transmission member accommodating portion that is constituted by the outer cylinder portion and accommodates the transmission member is in contact with or close to the outer surface of the drainage member, and when viewed in plan view, It is set as the state extended in the tangential direction with respect to the outer surface of a drainage member. That is, the transmission member housing portion is shaped so as to cross three-dimensionally with respect to the outer surface of the drainage member. Therefore, it is possible to improve the unity of the drainage member and the outer cylinder part, and it is possible to reduce the space required for arranging the outer cylinder part (accommodating part). Thereby, the convenience regarding the handling of an apparatus can be improved and the workability | operativity regarding attachment (installation), a maintenance, etc. of an apparatus can be improved. Moreover, the installation freedom degree of an apparatus can be raised. Furthermore, it becomes possible to increase the degree of freedom of design in a tank body or a structure using the tank body (for example, a bathroom unit).

Mean 2. The drive member has a connected portion connected to the transmission member, and the connected portion is configured to rotate by moving along an arcuate path along with the reciprocating movement of the transmission member. And
The transmission member has a linear moving part that moves along a linear path,
The drain plug device according to claim 1, further comprising an adjustment mechanism that prevents a load due to a difference between a moving direction of the linear moving unit and a moving direction of the connected portion from being applied to the linear moving unit.

  The “adjustment mechanism portion” is formed, for example, on one of the linear movement portion and the connected portion, and on the other of the two, and a protrusion extending in parallel with the rotation axis of the drive member. In addition, the protrusions are arranged in the form of holes or depressions that are sufficiently large to allow the protrusions to move sufficiently in the direction intersecting the moving direction of the linear moving part when the transmission member is reciprocated. Part. In addition, the “adjustment mechanism unit” is connected to, for example, the linear movement unit and the connected portion, and has a rotation axis parallel to the rotation axis of the drive member with respect to the linear movement unit at the connection portion with the linear movement unit. And a link member configured to be relatively rotatable with a rotation axis parallel to the rotation axis of the drive member with respect to the connected portion at the connection portion with the connected portion. You can also

  According to the above means 2, the transmission member includes the linear moving unit that moves along the linear path. Therefore, when the transmission member reciprocates, the transmission member can be more reliably prevented from shaking. Thereby, the transmission of the driving force via the transmission member can be performed more reliably and more stably. As a result, good operability can be obtained.

  On the other hand, simply connecting the linear moving part that moves along the linear path and the connected part of the rotating member that moves along the arcuate path, a load is applied to the linear moving part due to the difference in the moving direction, It is conceivable that the smooth movement of the linear moving unit is hindered.

  In this regard, according to the above-described means 2, it is possible to prevent the load due to the difference in the moving direction of the linear moving unit and the rotating member from being applied to the linear moving unit by the adjusting mechanism unit. Thereby, a linear movement part can be moved smoothly and favorable operativity can be obtained more reliably.

  Means 3. The drain plug device according to means 2, wherein the linear moving part is a component of the shock absorber.

  According to the means 3, the linear moving part also serves as a component of the shock absorber. Therefore, the transmission member can be made compact. Moreover, compared with the case where a shock absorber and a linear moving part are provided separately, manufacturing cost can be reduced.

Means 4. The transmission member is
A cylindrical outer tube having flexibility, with its own end directly or indirectly attached to the transmission member housing;
A flexible inner wire that is positioned closer to the operation member than the drive member and is inserted in a reciprocating manner with respect to the outer tube;
It is interposed between the end portion of the inner wire and the member positioned closer to the driving member than the inner wire in a reciprocable state, and is positioned on the driving member side by moving with the movement of the inner wire. The drain plug device according to any one of means 1 to 3, further comprising a transmission mechanism including an interposition part configured to be able to move the member.

  As the “inner wire”, for example, a core coil in which a metal wire is spirally wound, a rod (rod-like member) formed of a flexible resin, a stranded wire made of a plurality of metal wires, etc. Can be mentioned. The “member located on the drive member side” is a member located on the drive member side of the intervening portion of the transmission drive member. For example, the drive member or one component of the transmission member attached to the drive member And so on.

  According to the means 4, since the inner wire and the outer tube are flexible, the handling and the handling related to maintenance become easy, and the workability can be further improved. In the transmission mechanism, since the outer tube is directly or indirectly attached to the transmission member accommodating portion, the intermediate portion can be moved by moving the inner wire while using the flexible inner wire and outer tube. Can be moved sufficiently. Thereby, the driving force can be sufficiently transmitted from the inner wire to the member on the driving member side, and good operability can be obtained.

Means 5. The transmission mechanism has a case portion arranged inside in a state in which the interposition portion can reciprocate, and an end portion of the outer tube is attached to the case portion.
A cylindrical operation member accommodating portion in which the operation member is disposed;
A tubular tube member having a cylindrical mounting member that can be attached to and detached from the transmission member housing portion at one end thereof, and connected to the operation member housing portion and the transmission member housing portion; ,
A holding member that holds the transmission mechanism inside itself and that has a hook-like portion protruding from the outside,
The attachment member is attached to the transmission member accommodating portion, and the tube-shaped portion is sandwiched between the attachment member and the transmission member accommodating portion so that the tube member is accommodated in the transmission member accommodating portion. And the transmission mechanism is fixed to the transmission member housing portion via the cover member in at least one of the transmission member housing portion and the tube member. ,
5. The drain plug device according to claim 4, wherein the transmission mechanism is configured to be able to pass through the inside of the operation member accommodating portion and the tube member.

  In addition, the tube member prescribed | regulated by the said means 5 and the said means 7 grade | etc., Mentioned later, points out the same thing, respectively. Therefore, for example, the means 7 that cites the means 5 does not define that there are a plurality of tube members.

  According to the means 5, the transmission mechanism is configured to be able to pass through the inside of the operation member accommodating portion and the tube member. Therefore, the transmission mechanism can be inserted into the operation member housing portion and taken out from one end portion (attachment member) of the tube member through the inside of the tube member. Then, the transmission mechanism is arranged inside the cover member, and then the attachment member is attached to the transmission member accommodation portion so as to sandwich the hook-shaped portion of the cover member between the transmission member accommodation portion, The transmission mechanism can be attached and the tube member can be connected to the transmission member housing portion. Moreover, since the transmission mechanism has a case portion and the end portion of the outer tube is attached to the case portion, the outer tube can be indirectly attached to the transmission member housing portion as a result. . Therefore, the attachment of the transmission mechanism, the connection of the tube member, and the attachment of the outer tube can be performed at a time, and the workability related to attachment and maintenance can be further improved.

  Further, since the hook-shaped portion is sandwiched between the transmission member housing portion and the mounting member along the reciprocating direction of the transmission member, the cover member and thus the transmission mechanism held by the cover member in the reciprocating direction is moved in the reciprocating direction. It can arrange | position more reliably with respect to the fixed position along. Thereby, the relative positional relationship between the member positioned on the drive member side and the transmission mechanism can be made appropriate without specially adjusting the position of the transmission mechanism. Thereby, workability | operativity can be improved further.

Means 6. The hook-shaped portion has a shape including a plurality of convex portions and concave portions alternately along the circumferential direction of the cover member,
Only the convex portion is sandwiched between the attachment member and the transmission member accommodating portion,
The drain plug device according to means 5, wherein water is allowed to pass through the recess.

  According to the means 6, since the concave portion functions as a water passage, the water that has flowed through the tube member from the operation member housing portion side can flow more smoothly to the drainage member side (drainage flow path side). . Moreover, foreign objects, such as hair and dust which entered from the operation member accommodating part, can be caught by a some convex part. As a result, it is possible to more reliably suppress entry of foreign matter into the drive member side, and to improve operational stability.

  Mean 7 The drain plug device according to any one of means 4 to 6, wherein the shock absorber is built in the transmission mechanism.

  According to the means 7, since the shock absorber is built in the transmission mechanism, the transmission member can be made more compact.

Means 8. The accommodation space includes a drainage member side opening that is located on one end side and opens inside the drainage member, and an end opening that is located on the other end side and formed by the transmission member accommodation portion. Have
An operation member accommodating portion in which the operation member is disposed;
A cylindrical tube member connected to the operation member housing portion and the transmission member housing portion;
Means 1 to 7 characterized in that an internal space formed from at least the operation member housing portion, the tube member, and the housing portion from the operation member housing portion to the drainage member side opening is watertight. A drain plug device according to any one of the above.

  In addition, the drainage member side opening and end part opening prescribed | regulated by the said means 8 and the means 10 mentioned later point out the same thing, respectively. Moreover, the tube member may be directly connected to the operation member housing portion and the transmission member housing portion, or may be indirectly connected via some member.

  According to the means 8, the internal space from the operation member housing part to the drainage member side opening is configured to be watertight. That is, when water enters the operation member housing portion, the water does not leak from other than the drainage member side opening. Therefore, the water that has entered the operation member housing portion can be more reliably guided to the inside of the drainage member (that is, the drainage flow path side) via the tube member and the housing portion. Thereby, it can prevent that the water which permeated in the operation member accommodating part flows out into the location which is not a flow path of drainage, and can improve sanitaryness etc. more.

  Means 9. 9. The drain plug apparatus according to claim 8, wherein the driving member has a water flow portion serving as a flow path of water flowing in the housing portion.

  According to the means 9, the driving member is provided with the water flow portion serving as a flow path of the water flowing in the housing portion. Therefore, water can be made to flow smoothly in the accommodating portion, and the water passing ability in the accommodating portion can be sufficiently ensured. As a result, it is possible to appropriately (faster) discharge the water flowing from the operation member housing part side to the drainage member side (drainage channel side).

Means 10. The accommodation space includes a drainage member side opening that is located on one end side and opens inside the drainage member, and an end opening that is located on the other end side and formed by the transmission member accommodation portion. Except for being watertight,
The drainage member has a cylindrical shape and has a sealed portion in which sealed water is stored,
The shock absorber is disposed in at least one of the internal space of the tubular tube member connected to the housing space and the transmission member housing portion,
The drain plug device according to any one of means 1 to 9, wherein the entire shock absorber is disposed above a sealing surface of the sealing portion.

  The “sealed surface” refers to the surface of the sealed water when the maximum amount of sealed water is stored in the sealed portion. Furthermore, the shock absorber may be disposed only in the housing space, may be disposed only in the inner space of the tube member, or may be disposed from the housing space to the inner space of the tube member. When the shock absorber is disposed only in the housing space, the tube member need not be provided.

  If the storage space is configured to be watertight except for the drainage member side opening and the end opening while providing the sealing portion on the drainage member, a large amount of sealed water flows into the storage space from the drainage member side opening, and accumulates in the storage space. Things can happen.

  In this regard, according to the means 10, the entire shock absorber is disposed above the sealing surface of the sealing portion. Therefore, it is possible to more reliably prevent the shock absorber from getting stuck in the sealed water. Thereby, corrosion and deterioration of the shock absorber can be effectively suppressed, and the life of the apparatus can be further extended.

It is sectional drawing of the drain plug apparatus in the cross section containing the central axis of piping. It is a partially broken front view of an operating device. It is sectional drawing of the drain plug apparatus in the cross section containing the central axis of piping in the state which removed the stopper cover unit. It is a perspective view of piping, an external cylinder part, etc. It is sectional drawing of the drain plug apparatus in the cross section containing the central axis of a transmission member accommodating part. It is a top view of a drain plug device. It is an expanded sectional view of a transmission drive member. It is a perspective view of the cover member holding a transmission mechanism. It is a perspective view of a cover member when a cover member is seen from the front side. It is a perspective view of a cover member when a cover member is seen from the back side. It is a front view, such as a transmission member accommodating part in another embodiment. It is a partially broken front view of the transmission member accommodating part etc. in another embodiment. It is a partially broken side view of the drive member accommodating part etc. in another embodiment. It is sectional drawing of piping etc. in another embodiment. FIG. 18 is a cross-sectional view taken along line JJ of FIG. 17 showing a drain plug device and the like when a waterproof pan is provided in another embodiment. FIG. 18 is a sectional view taken along the line KK of FIG. 17 showing a drain plug device and the like when a waterproof pan is provided in another embodiment. It is a perspective view of the member for connection for explaining composition of a member for connection in another embodiment, and a position of an end opening. It is a perspective view of the member for connection for explaining composition of a member for connection in another embodiment, and a position of an end opening. It is sectional drawing of the drain plug device which shows the structure of the drain pipe in another embodiment. It is a partially broken plane schematic diagram of the drainage member etc. for demonstrating the drainage member in another embodiment. It is a partially broken plane schematic diagram of the drainage member etc. for demonstrating the drainage member in another embodiment. It is sectional drawing which shows the structure of the accommodating part etc. in another embodiment. It is sectional drawing of the drain plug apparatus for demonstrating the water flow part in another embodiment. It is an expanded sectional view of the drive member for demonstrating the adjustment mechanism part in another embodiment.

  Hereinafter, an embodiment will be described with reference to the drawings. As shown in FIGS. 1 and 2, the drain plug device 1 includes a pipe 2 as a drain member, an external cylinder portion 3, a tube member 4, a transmission drive member 5, an operating device 6, and a plug lid unit 7. And is attached to a bathtub 100 as a tank body. The bathtub 100 includes a bottom wall portion 101 constituting the bottom portion thereof, and a peripheral wall portion 102 erected on the outer periphery of the bottom wall portion 101. A drainage port 103 is formed through the bottom wall portion 101. Moreover, the bathtub 100 has the flange part 104 which protrudes outside from the upper end part of the surrounding wall part 102, The attachment hole 105 is penetrated and formed with respect to the said flange part 104 (refer FIG. 2).

  As shown in FIG. 1 and FIG. 3 (FIG. 3 shows a state in which the stopper lid unit 7 is removed), the pipe 2 is a part of the drainage flow path whose inner peripheral surface (inner part) flows through the drainage port 103. And includes a drain port member 21 and a drain pipe 22 connected in series.

  The drain port member 21 is formed in a cylindrical shape, and is inserted into the drain port 103 so that its own central axis and the central axis of the drain port 103 substantially coincide with each other. In addition, the drain port member 21 includes a flange portion 21A that protrudes radially outward at the upper end portion thereof, and a male screw portion 21B that is formed on the outer periphery on the lower side of the flange portion 21A.

  The drain pipe 22 has a cylindrical shape and includes an internal thread portion 22A capable of screwing the external thread portion 21B on the inner periphery of one end portion (upper end portion) thereof. Then, in a state where the flange portion 21A is arranged on the bottom wall portion 101, the male screw portion 21B is screwed into the female screw portion 22A, and the bottom wall portion 101 is sandwiched between the upper end surfaces of the flange portion 21A and the drain pipe 22, The drain port member 21 and the drain pipe 22 are connected, and both are attached to the bathtub 100.

  In the present embodiment, an annular seal member 11 formed of an elastically deformable material is disposed between the flange portion 21A and the surface of the bottom wall portion 101. An annular seal member 12 made of an elastically deformable material is disposed between the upper end surface of the drain pipe 22 and the back surface of the bottom wall portion 101 in the same manner as the seal member 11. Both seal members 11 and 12 prevent water leakage between the pipe 2 and the bathtub 100.

  Further, the drain pipe 22 includes an inflow portion 221, a folded portion 222, and an orthogonal portion 223.

  The inflow portion 221 is a portion having the female screw portion 22A on the inner periphery, and has a cylindrical shape extending in the vertical direction. The drainage that has passed through the drainage port 103 (inside the drainage port member 21) flows into the inflow portion 221 first.

  Further, the inflow portion 221 is formed with a circular communication hole 221A that communicates from the inner periphery (inner side) to the outer periphery (outer side).

  The folded portion 222 has a cylindrical shape extending obliquely upward from the lower end portion of the inflow portion 221. And the waste_water | drain which flowed into the inflow part 221 through the drain outlet 103 can be stored inside the bending part which consists of the inflow part 221 and the folding | turning part 222 as sealing water. That is, in this embodiment, the inflow part 221 and the folding | returning part 222 comprise the sealing part 23 which can store sealing water.

  The orthogonal part 223 has a cylindrical shape extending from the upper end part of the folded part 222 in a direction (horizontal direction) orthogonal to the inflow part 221. In the present embodiment, the sealed water is stored in the sealed portion 23 up to the sealed surface 24 having the same height as the boundary between the folded portion 222 and the orthogonal portion 223 (in FIG. 1 and the like, the sealed surface 24 is indicated by a two-dot chain line). It is possible. And the sealing part 23 is comprised so that the sealing surface 24 may be located above the whole opening opened toward the internal space of the piping 2 in the communication hole 221A. In the present embodiment, a pipe-side opening 8B described later is formed by an opening that opens toward the internal space of the pipe 2 in the communication hole 221A (an opening that opens inside the pipe 2). Therefore, as a result, the sealing surface 24 is in a state of being positioned above the entire piping side opening 8B.

  As shown in FIG. 4 (in FIG. 4, the bathtub 100 is not shown) and FIG. 5, the outer cylinder portion 3 has a shape extending obliquely upward from the pipe 2 as a whole. The external cylinder part 3 is connected to the pipe 2 at one end thereof with the internal space communicating with the internal space (inside) of the pipe 2 via the communication hole 221A.

  In addition, the outer cylinder portion 3 is formed of a relatively hard or semi-rigid resin or metal and is in a state in which it cannot be relatively displaced with respect to the pipe 2. In other words, the external cylinder portion 3 can be slightly bent and deformed when a force is applied, but is normally not greatly deformed and is in a self-supporting state.

  In addition, a housing portion 8 for housing the transmission drive member 5 is formed by a portion of the outer cylinder portion 3 and the pipe 2 that forms the communication hole 221A. The accommodating portion 8 includes an inner space of the communication hole 221 </ b> A and the outer cylindrical portion 3, and includes an accommodating space 8 </ b> A in which the transmission drive member 5 is disposed.

  The housing space 8A is located on one end side (pipe 2 side) and is a pipe side opening 8B (FIG. 1) as a drainage member side opening that is an opening (opening inside the pipe 2) that opens toward the internal space of the pipe 2. , 3) and an end opening 8C which is an opening located on the other end side. In the present embodiment, the pipe side opening 8B is formed by an opening that opens toward the internal space side of the pipe 2 in the communication hole 221A. The end opening 8 </ b> C corresponds to the other end opening in the transmission member accommodating portion 82 described later.

  The accommodating space 8A is watertight except for the pipe side opening 8B and the end opening 8C. That is, the entry and exit of water in the accommodating space 8A occurs only through the pipe side opening 8B and the end opening 8C.

  The accommodating portion 8 includes a drive member accommodating portion 81 and a transmission member accommodating portion 82.

  The drive member accommodating portion 81 is a part that accommodates a drive member 51 described later in the transmission drive member 5. Inside the drive member accommodating portion 81, the drive member 51 is accommodated in a rotatable state. In the present embodiment, the drive member accommodating portion 81 is a portion that forms the communication hole 221 </ b> A in the pipe 2 and a portion on one end side of the outer cylinder portion 3, more specifically, a portion that is connected to the pipe 2. And a portion having a cylindrical shape in appearance.

  Further, as will be described later, the drive member 51 has a cylindrical shape, and the internal space of the drive member accommodating portion 81 has a portion having an inner diameter that is substantially the same as the outer diameter of the drive member 51, and is substantially horizontal. It is an extended space. That is, the drive member accommodating portion 81 has a shape extending in a substantially horizontal direction. In the present embodiment, the angle formed by the central axis of the drive member housing portion 81 and the horizontal plane is approximately 0 °.

  The “substantially horizontal direction” includes not only a strict horizontal direction but also a substantially horizontal state (for example, a state where the angle between the central axis of the drive member housing portion 81 and the horizontal plane is 20 ° or less). . Further, “the central axis of the drive member accommodating portion 81” is not a strict central axis, and extends along the direction in which the drive member accommodating portion 81 extends, and is substantially at the center inside the drive member accommodating portion 81. It can be said to be an arbitrary line passing through. In the present embodiment, the central axis of the drive member accommodating portion 81 is coaxial with the rotation axis CL1 of the drive member 51.

  The transmission member accommodating portion 82 is a part that accommodates a transmission member 52 described later in the transmission drive member 5. The transmission member accommodating portion 82 is formed by a portion of the outer cylinder portion 3 that extends obliquely upward from the driving member accommodating portion 81 (a portion that is cylindrical in appearance). In the present embodiment, the transmission member accommodating portion 82 extends obliquely upward from the driving member accommodating portion 81 at an angle steeper than the angle at which the driving member accommodating portion 81 extends. The end opening 8C is opened obliquely upward.

  In addition, in the point which arrange | positions the edge part opening 8C in a sufficiently high position, without extending the outer cylinder part 3 (transmission member accommodating part 82) largely, the angle (transmission member accommodating part 82 of the transmission member accommodating part 82) is extended. It is preferable that the angle formed by the central axis CL2 and the horizontal plane is relatively large (for example, 30 ° or more). Here, “the central axis CL <b> 2 of the transmission member accommodating portion 82” is not a strict central axis, extends along the direction in which the transmission member accommodating portion 82 extends, and is almost the inside of the transmission member accommodating portion 82. It can be said to be an arbitrary line passing through the center.

  Further, the length of the transmission member accommodating portion 82 is set so that at least a part of the end opening 8 </ b> C is positioned above the sealing surface 24. In particular, in the present embodiment, the length of the transmission member accommodating portion 82 is set such that the entire end opening 8 </ b> C is positioned above the sealing surface 24.

  Furthermore, the transmission member accommodating portion 82 is in a state of being close to the outer side surface (outer peripheral surface) of the pipe 2 and is in a state of extending in the tangential TL direction with respect to the outer side surface when viewed in plan (see FIG. 6). ). That is, the transmission member accommodating portion 82 is provided in a state of three-dimensionally intersecting with the pipe 2. Furthermore, in the present embodiment, the transmission member accommodating portion 82 has a state in which the rotation axis CL1 of the drive member 51 and its own central axis CL2 are orthogonal to each other outside the internal space of the pipe 2 when viewed in plan. It is comprised so that it may become.

  Note that the “perpendicular state” is not only a strictly orthogonal state but also a substantially orthogonal state (for example, an angle formed by the rotation axis CL1 of the drive member 51 and the central axis CL2 of the transmission member accommodating portion 82). Is in the range of 80 ° to 100 °.

  Furthermore, at least a part of the inner surface of a portion of the transmission member accommodating portion 82 where a rod-shaped portion 522 (described later) of the transmission drive member 5 is accommodated is close to the outer surface of the rod-shaped portion 522 and the rod-shaped portion 522 ( In the present embodiment, the cross-sectional shape is a non-circular shape (for example, a rectangular cross-sectional shape, a cross-sectional elliptical shape, a cross-sectional oval shape, etc.) that follows the cross-sectional shape of a sandwiched connecting portion 522B described later.

  In addition, a male screw portion 8D is formed on the outer periphery on the other end side (the side opposite to the pipe 2) in the transmission member accommodating portion 82. The male screw portion 8D is used to attach the tube member 4 described below to the transmission member accommodating portion 82.

  The tube member 4 has a cylindrical shape and is connected to the transmission member accommodating portion 82 and the operating device 6 (particularly, a joint member 62 described later). The tube member 4 includes a main body portion 41 and a mounting member 42.

  The main body 41 is formed in a cylindrical shape from a relatively soft resin, rubber, or the like, and can be relatively easily deformed such as bending.

  The attachment member 42 is provided at one end of the tube member 4 and is used for attachment of the tube member 4 to the transmission member accommodating portion 82. The attachment member 42 includes a cylindrical end connection portion 42A partially inserted into the inner periphery of one end portion of the main body portion 41, and a nut portion 42B in which an internal thread is formed on the inner periphery. A portion of the end connection portion 42A that protrudes from the main body 41 has a larger diameter than a portion that is fitted into the main body 41, and a groove extending in the circumferential direction is formed in the large diameter portion. The nut portion 42B is disposed on the outer periphery of the end connection portion 42A and is locked to the large diameter portion in the end connection portion 42A.

  The tube member 4 and the transmission member accommodating portion 82 are screwed into the male screw portion 8D of the transmission member accommodating portion 82 to the female screw of the nut portion 42B, and the large diameter portion of the end connecting portion 42A is transmitted to the nut portion 42B. They are connected by being sandwiched between the other end portions of the member accommodating portions 82. An annular seal member 13 made of an elastically deformable material is disposed in the groove of the end connection portion 42A, and the seal member 13 includes an inner peripheral surface and an end of the transmission member accommodating portion 82. It is in the state which contacted the outer peripheral surface of 42 A of part connection parts. Thereby, the tube member 4 and the transmission member accommodating part 82 are the states connected watertightly.

  The transmission driving member 5 transmits a driving force due to the displacement of the operation member 64 described later to the stopper lid unit 7. The transmission drive member 5 includes a drive member 51 and a transmission member 52 connected to the drive member 51 and capable of reciprocating.

  The drive member 51 is provided at one end of the transmission drive member 5 and is accommodated in the drive member accommodation portion 81. The drive member 51 is rotatable in the drive member accommodating portion 81, and the rotation axis CL <b> 1 of the drive member 51 is in a state of extending substantially in the horizontal direction, like the drive member accommodating portion 81. Yes. Note that “substantially horizontal” includes not only a strict horizontal direction but also a substantially horizontal state (for example, a state where the angle between the rotation axis CL1 of the driving member 51 and the horizontal plane is 20 ° or less). However, from the viewpoint of more reliably suppressing a variation in the amount of protrusion of a support member 512, which will be described later, with respect to the inner surface of the pipe 2 when the drive member 51 is rotated, the rotation axis CL1 of the drive member 51 is formed between the horizontal plane. The angle is preferably closer to 0 °, more preferably 10 ° or less, and still more preferably 5 ° or less.

  In addition, the drive member 51 can be disposed in the drive member accommodating portion 81 through the pipe side opening 8 </ b> B and detached from the drive member accommodating portion 81 while being separated from the transmission member 52.

  In addition, the drive member 51 is made of a predetermined resin and has a specific gravity smaller than 1. That is, the drive member 51 is configured to float on water.

  Further, as shown in FIG. 7, the drive member 51 includes a columnar portion 511 having a columnar shape and an end surface in the direction of the rotation axis CL <b> 1 [that is, one end surface of the columnar portion 511 (end surface on the inner space side of the pipe 2). )] Provided from the outer peripheral side of the support member 512 (see FIG. 3), and a connected portion 513 provided from the other end surface of the cylindrical portion 511.

  The cylindrical portion 511 is disposed in a state where one end surface does not protrude from the inner peripheral surface of the pipe 2 and is rotatable about the rotation axis CL1. The outer diameter of the cylindrical portion 511 is set to be slightly smaller than the inner diameter of the communication hole 221 </ b> A, and water can pass outside the cylindrical portion 511 in the drive member accommodating portion 81.

  The support member 512 protrudes into the pipe 2 (from the inside of the pipe 2) through the communication hole 221A, and has a role of supporting the plug lid unit 7. The support member 512 moves up and down as the cylindrical portion 511 rotates. Further, the support member 512 is short enough not to reach the central axis of the pipe 2 (inflow portion 221).

  The connected portion 513 is a projection having an oval cross section extending along the direction of the rotation axis CL <b> 1 of the driving member 51, and is a portion to which one end of the transmission member 52 is connected (connected). The connected portion 513 moves along a circular path along with the reciprocating movement of the transmission member 52 (a rod-like portion 522 described later), and as a result, the drive member 51 rotates.

  Further, a support protrusion 514 is provided on the other end surface of the cylindrical part 511 in a protruding state. A disk portion (not shown) that is coupled to the respective tip portions of the connected portion 513 and the support protrusion 514, is coaxial with the columnar portion 511, and has substantially the same outer diameter as the columnar portion 511 is integrated. Is provided.

  The transmission member 52 is provided between the drive member 51 and an operation member 64 described later, and transmits a drive force generated by the displacement of the operation member 64 to the drive member 51. In this embodiment, the transmission member 52 is disposed inside the transmission member accommodating portion 82 and the tube member 4, and includes a transmission mechanism 521 with a shock absorber function, a rod-shaped portion 522, an outer tube 523, and an inner wire 524. It has. In the present embodiment, the transmission mechanism with shock absorber function 521 corresponds to a transmission mechanism. Hereinafter, the transmission mechanism with the shock absorber function is simply referred to as “transmission mechanism”.

  The transmission mechanism 521 is disposed from the accommodation space 8 </ b> A to the internal space of the tube member 4, and has a function of transmitting the force received from the inner wire 524 side to the rod-shaped portion 522. The transmission mechanism 521 includes a cylindrical case portion 5211, a rod-like linear moving portion with a shock absorber function (hereinafter simply referred to as “absorber moving portion”) 5212, and a return spring 5213.

  The case portion 5211 accommodates the absorber moving portion 5212 and the return spring 5213, and includes a housing main body portion 5211A, a guide tube portion 5211B, and a fixing lid portion 5211C.

  The housing main body 5211A has a cylindrical shape, and one end of the absorber moving part 5212 protrudes through an opening on one end side (the bar-like part 522 side). Further, the base portion of the guide tube portion 5211B is fixed to the inner periphery of the other end portion of the housing main body portion 5211A by, for example, screwing.

  The guide cylinder portion 5211B has a cylindrical small-diameter portion extending from the center of the root portion while the root portion is formed with a large diameter, and guides the movement of the absorber moving unit 5212 by the small-diameter portion. In addition, an inner wire 524 is inserted through the small diameter portion of the guide cylinder portion 5211B, and the inner wire 524 can protrude from the end of the small diameter portion. Furthermore, the base portion of the guide tube portion 5211B is formed with a hollow portion for accommodating a bowl-shaped flare portion provided at one end portion of the outer tube 523.

  The fixing lid portion 5211C is for attaching one end portion of the outer tube 523 to the case portion 5211. In the present embodiment, after the flare portion of the outer tube 523 is arranged in the hollow portion of the guide tube portion 5211B, the fixing lid portion 5211C is attached to the guide tube portion 5211B by, for example, screwing, and the fixing lid portion One end portion of the outer tube 523 is attached to the case portion 5211 by sandwiching the flare portion by 5211C and the guide tube portion 5211B.

  The absorber moving part 5212 is built in the transmission mechanism 521 and is arranged in at least one of the accommodation space 8A and the inner space of the tube member 4 (in this embodiment, from the accommodation space 8A to the inner space of the tube member 4). Yes. Moreover, the absorber moving part 5212 is arrange | positioned on the outer periphery of the said small diameter part of the guide cylinder part 5211B. And it is movable along the path | route along the direction where the said small diameter part of the guide cylinder part 5211B is extended, ie, a linear path | route. That is, the absorber moving part 5212 in this embodiment constitutes a linear moving part that is a part that moves along a linear path in the transmission member 52.

  The absorber moving part 5212 includes an inner cylinder part 5212A, an outer cylinder part 5212B, and a shock absorber spring 5212C.

  The inner cylindrical portion 5212A has a cylindrical shape with one end (the end on the rod-shaped portion 522 side) closed, and the end of the inner wire 524 protruding from the guide cylindrical portion 5211B is in contact with the closed one end. It is possible. The inner cylinder part 5212A is pressed by the end of the inner wire 524, whereby the absorber moving part 5212 moves toward the drive member 51 along the extending direction of the small diameter part of the guide cylinder part 5211B. The other end of the inner cylinder portion 5212A is provided with a hook-like portion protruding outward to support (clamp) the shock absorber spring 5212C.

  The outer cylinder part 5212B accommodates the inner cylinder part 5212A inside, and has a cylindrical shape with one end closed like the inner cylinder part 5212A. In addition, a step portion for supporting (pinch) the shock absorber spring 5212C is provided on the inner periphery of the one end side portion of the outer cylinder portion 5212B. On the other hand, on the other end side of the outer cylindrical portion 5212B, a bulging portion protruding outward is provided for supporting (pinching) the return spring 5213.

  Further, a connecting shaft portion 521A having an oval cross section is provided at one end portion of the outer cylinder portion 5212B. The connecting shaft portion 521A functions as a connecting (connecting) portion to the rod-like portion 522.

  The shock absorber spring 5212 </ b> C is configured by a spring member that can be expanded and contracted along its longitudinal direction. The shock absorber spring 5212C is disposed between the outer periphery of the inner tube portion 5212A and the inner periphery of the outer tube portion 5212B, and is sandwiched between the flange portion of the inner tube portion 5212A and the step portion of the outer tube portion 5212B. It is in a compressed state. The shock absorber spring 5212 </ b> C has an elastic repulsion force that hardly compresses and deforms during normal reciprocation of the transmission member 52. On the other hand, when an overload is applied to the transmission member 52 along the reciprocating direction, the shock absorber spring 5212C is compressed and deformed to absorb the applied overload. That is, the absorber moving unit 5212 serves as both a shock absorber and the linear moving unit, and the linear moving unit is a component of the shock absorber (in this embodiment, a component constituting all of the shock absorber). .

  The absorber moving part 5212 configured as described above is interposed between the end of the inner wire 524 and a member (in the present embodiment, the rod-like part 522) located on the drive member 51 side. Accordingly, the rod-shaped portion 522 moves. That is, the absorber moving part 5212 in this embodiment corresponds to an interposition part.

  Further, the entire absorber moving unit 5212 (particularly, the entire shock absorber spring 5212C having a load absorbing function) is configured to be positioned above the sealing surface 24 (see FIG. 5).

  The return spring 5213 is used for the backward movement of the transmission member 52 that has moved forward to the drive member 51 side. The return spring 5213 is disposed in a compressed state between an inwardly extending portion provided at one end of the housing main body 5211A and the bulging portion of the outer cylindrical portion 5212B.

  In the present embodiment, the transmission mechanism 521 has a thickness capable of passing through the inside of the guide member 61 and the joint member 62 and the tube member 4 which will be described later.

  Further, the transmission mechanism 521 has a transmission member accommodating portion 82 via a cover member 53 that holds itself inside at least one of the transmission member accommodating portion 82 and the tube member 4 (both in the present embodiment). (See FIG. 5).

  More specifically, the cover member 53 is formed of a predetermined resin, and has a relatively wide slit extending in the axial direction of the cover member 53 as shown in FIGS. . The slit can be widened along with the elastic deformation of the cover member 53, and is used when the transmission mechanism 521 is accommodated in the cover member 53. The cover member 53 holds the transmission mechanism 521 in a state in which the cover member 53 cannot reciprocate. The cover member 53 includes a flange-shaped portion 531 that protrudes from the outside, and the flange-shaped portion 531 includes a plurality of convex portions 531 </ b> A and concave portions 531 </ b> B alternately along the circumferential direction of the cover member 53. I am doing. Then, along the reciprocating direction of the transmission member 52, the hook-shaped portion 531 is sandwiched between the attachment member 42 (end connection portion 42A) and the transmission member accommodating portion 82, so that the transmission mechanism 521. Is fixed to the transmission member accommodating portion 82 via the cover member 53.

  In the present embodiment, only the convex portion 531A of the hook-shaped portion 531 is sandwiched between the mounting member 42 and the transmission member accommodating portion 82. Accordingly, water flows from the inside of the tube member 4 (attachment member 42) to the inside of the transmission member accommodating portion 82 through the concave portion 531B of the bowl-shaped portion 531.

  Returning to FIG. 7, the rod-like portion 522 is provided at one end of the transmission member 52 and is accommodated in the transmission member accommodation portion 82. The rod-shaped part 522 is formed of a predetermined resin. Further, in the cross section orthogonal to the longitudinal direction of the rod-shaped portion 522, at least a part (in this embodiment, a sandwiching connection portion 522B described later) has a non-circular cross-section (for example, a cross-sectional rectangular shape, a cross-sectional elliptical shape, a cross-sectional length). It has a circular shape.

  As described above, at least a part of the inner side surface of the transmission member accommodating portion 82 is close to the outer surface of the rod-shaped portion 522 and has a non-circular cross-section that follows the cross-sectional shape of the rod-shaped portion 522. Reference numeral 522 denotes a state in which relative rotation with respect to the transmission member accommodating portion 82 is restricted. That is, in this embodiment, the rotation regulating means 14 that regulates the relative rotation of the rod-shaped portion 522 with respect to the transmission member accommodating portion 82 is configured by the outer surface of the rod-shaped portion 522 and the inner surface of the transmission member accommodating portion 82 ( (See FIG. 5).

  In addition, sandwiching connecting portions 522A and 522B having bifurcated arm portions are provided at both ends of the rod-like portion 522. And the drive member 51 and the transmission member 52 are connected in the accommodating space 8A by arranging the connected portion 513 between both arm portions of the sandwiching connection portion 522A provided at one end of the rod-like portion 522. It has become a state. In the present embodiment, a node portion 15A for connecting the drive member 51 and the transmission member 52 is configured by the connected portion 513 and the sandwiching connection portion 522A.

  In the state where the drive member 51 and the transmission member 52 are coupled, the disk portion provided at the tip of the connected portion 513 and the support protrusion 514 is directed toward the internal space side of the pipe 2. The connected portion 513 is prevented from coming off from the transmission member 52, and the drive member 51 is held at a fixed position along the direction of the rotation axis CL1.

  In addition, the gap between the both arm portions of the sandwiched connecting portion 522A is usually smaller than the outer diameter of the connected portion 513 (the width of the connected portion 513 when viewed from the side). However, since the rod-shaped portion 522 is made of resin, the gap can be made larger than the outer diameter of the connected portion 513 by elastically deforming both arm portions. In the present embodiment, by pushing the rod-like portion 522 toward the connected portion 513 side in a state where the portion forming the gap of the sandwiched connecting portion 522A is in contact with the connected portion 513, the node portion 15A The drive member 51 and the transmission member 52 can be connected. On the other hand, the transmission member 52 (rod-like part 522) can be separated from the drive member 51 by the node part 15A by applying a force in the direction of separating the stick-like part 522 from the connected part 513.

  Furthermore, the connecting shaft portion 521A is disposed between the arm portions of the sandwiching connecting portion 522B provided at the other end of the rod-shaped portion 522, so that the rod-shaped portion 522 and the transmission mechanism 521 are accommodated in the accommodating space 8A. It is in a connected state. In the present embodiment, the connecting shaft portion 521A and the sandwiching connecting portion 522B constitute the interposition node portion 15B for connecting the rod-like portion 522 and the transmission mechanism 521, that is, for connecting the components of the transmission member 52 to each other. ing.

  Note that the gap between both arm portions of the sandwiched connecting portion 522B is normally smaller than the outer diameter of the connecting shaft portion 521A (the width of the connecting shaft portion 521A when viewed from the side). By elastically deforming 522B, the bar-like portion 522 and the transmission mechanism 521 can be connected and separated by the intervening node portion 15B.

  However, in this embodiment, by adjusting the outer diameters of the connected portion 513 and the connecting shaft portion 521A, the connecting force of the holding connecting portion 522A and the connected portion 513 (force for separating both) is held. The connecting force is smaller than that of the connecting portion 522B and the connecting shaft portion 521A. Therefore, when the transmission mechanism 521 is pulled in a direction away from the drive member 51 in a state where the drive member 51, the rod-shaped portion 522, and the transmission mechanism 521 are connected, the drive member is separated before the transmission mechanism 521 and the rod-shaped portion 522 are separated. 51 and the rod-shaped part 522 (transmission member 52) are separated.

  Further, the rod-shaped portion 522 is rotatable at a connecting portion (connecting portion) with the connected portion 513 with respect to the connected portion 513 on a rotating shaft parallel to the rotating shaft CL1. Further, the rod-like portion 522 is rotatable on a rotation axis parallel to the rotation axis CL1 with respect to the absorber movement portion 5212 at a connection portion (connection portion) with the absorber movement portion 5212. When the transmission member 52 moves, the rod-shaped portion 522 rotates at the connecting portion of the absorber moving portion 5212 and the connected portion 513, so that the moving direction of the absorber moving portion 5212 and the moving direction of the connected portion 513 are changed. It is possible to prevent a load due to the difference from being applied to the absorber moving unit 5212. In this embodiment, the rod-shaped portion 522 prevents a load due to a difference between the moving direction of the absorber moving portion 5212 (linear moving portion) and the moving direction of the connected portion 513 from being applied to the absorber moving portion 5212 (linear moving portion). Therefore, an adjustment mechanism unit 16 is configured.

  The outer tube 523 is formed of a predetermined resin or rubber having a long cylindrical shape, and has flexibility. As described above, one end portion of the outer tube 523 is attached to the transmission mechanism 521 (case portion 5211), and the other end portion of the outer tube 523 is attached to the operation side mechanism portion 63 described later. As described above, since the transmission mechanism 521 is fixed to the transmission member accommodating portion 82 via the cover member 53, as a result, one end portion of the outer tube 523 is connected to the transmission member accommodating portion via the transmission mechanism 521 and the like. 82 is indirectly attached to 82. In addition, you may comprise so that the outer tube 523 may be directly attached to the transmission member accommodating part 82. FIG.

  The inner wire 524 is positioned closer to the operation member 64 to be described later than the driving member 51, has flexibility, and is inserted into the outer tube 523 in a reciprocable manner. As the inner wire 524, for example, a core coil in which a flexible metal wire is spirally wound, a rod (bar-shaped member) formed of a flexible resin, and a plurality of metal wires are used. Lines can be used.

  Further, in the present embodiment, the transmission member 52 can be disposed in the transmission member accommodating portion 82 through the end opening 8C and can be detached from the transmission member accommodating portion 82 in a state separated from the driving member 51. ing. Therefore, as described above, since the drive member 51 can be arranged / removed from the drive member accommodating portion 81 through the pipe side opening 8B, the transmission drive member 5 in the present embodiment includes the end opening 8C and the pipe. It can be arranged in the accommodation space 8A through the side opening 8B and can be removed from the accommodation space 8A.

  Further, in a state in which the tube member 4 is removed from the transmission member accommodating portion 82, the transmission member 52 can be pulled from the end opening 8C side, and the transmission member 52 is pulled to be driven by the node portion 15A. The transmission member 52 can be separated from the member 51.

  On the other hand, in a state where the drive member 51 is disposed in the drive member accommodating portion 81, the transmission member 52 disposed in the transmission member accommodating portion 82 is pushed into the drive member 51 side, so that the node 15A in the accommodating space 8A The drive member 51 and the transmission member 52 can be connected.

  Returning to FIG. 2, the operating device 6 includes a cylindrical guide member 61 inserted into the mounting hole 105, a cylindrical joint member 62 screwed onto the outer periphery of the guide member 61, and the guide member 61. An operating-side mechanism 63 held by this is provided. In the present embodiment, the joint member 62 constitutes an operation member housing portion in which an operation member 64 described later is disposed.

  The guide member 61 and the joint member 62 are screwed into a female screw provided on the inner periphery of the joint member 62 by screwing a male screw provided on the outer periphery of the guide member 61, and a hook shape provided on the end of the guide member 61. The flange portion 104 is sandwiched between the portion and the upper end portion of the joint member 62 so as to be attached to the bathtub 100. A seal member 65 formed of an elastically deformable material is disposed between the back surface of the flange portion 104 and the upper end surface of the joint member 62, thereby preventing water leakage between the flange portion 104 and the joint member 62. It has been.

  Further, the other end of the tube member 4 is connected to the end of the joint member 62 in a watertight manner. In the present embodiment, the internal space formed by the joint member 62, the tube member 4, and the housing portion 8 from the joint member 62 to the pipe side opening 8B is watertight. Thereby, when water infiltrates into the joint member 62, the water is guided to the internal space (drainage flow path) of the pipe 2 through the tube member 4 and the accommodating portion 8, and the pipe side opening 8B. It is designed not to leak from any other.

  The operation side mechanism unit 63 includes an operation member 64 that can be displaced relative to the bathtub 100 and a lock mechanism (not shown). The operation member 64 is located above the end opening 8C and includes an operation button 641 and a shaft portion 642.

  The operation button 641 has a disk shape and is disposed on the inner periphery of the guide member 61. The shaft portion 642 extends along the axial direction of the guide member 61 and can reciprocate along the axial direction. An operation button 641 is attached to the upper end portion of the shaft portion 642.

  Further, the lower end portion of the shaft portion 642 can contact the other end portion of the inner wire 524. Then, when the shaft portion 642 moves forward (downward) with the pressing of the operation button 641, that is, when the operation member 64 is displaced downward, the inner wire 524 pressed by the shaft portion 642 is moved to the outer side. The tube 523 moves forward (moves from the operating device 6 to the drive member 51 side). As a result, the absorber moving part 5212 pressed against one end of the inner wire 524 moves forward, and consequently the rod-shaped part 522 moves forward. As a result, the drive member 51 rotates to one side and the support member 512 is raised.

  Here, when the pressing of the operation button 641 is released in a state where the shaft portion 642 is moved downward from a predetermined position by pressing of the operation button 641, the shaft portion 642 is moved to a predetermined lower position by the lock mechanism. The inner wire 524 is held in a state of being locked and eventually moved forward. Thereby, the members (the inner wire 524, the absorber moving part 5212, the rod-like part 522, and the drive member 51) that move forward due to the displacement of the operation member 64 in the transmission drive member 5 are maintained in the state after the forward movement.

  On the other hand, when the operation button 641 is pressed in a state where the shaft portion 642 is locked at the lower position, the lock of the shaft portion 642 by the lock mechanism is released, and the inner wire 524 is pulled by the repulsive force from the return spring 5213. While returning in the outer tube 523, the axial part 642 moves up to the original position. Further, the reversing force from the return spring 5213 causes the absorber moving portion 5212 and the rod-like portion 522 to move backward, whereby the drive member 51 rotates to the other side and the support member 512 is lowered.

  Returning to FIG. 1, the plug lid unit 7 includes a water passage member 71, a support shaft 72, and a plug lid 73. The stopper lid unit 7 can be installed in the pipe 2 from above the pipe 2 and can be removed from the pipe 2. Specifically, the stopper cover unit 7 can be disposed in the pipe 2 by introducing the stopper cover unit 7 into the pipe 2 from above the pipe 2. On the other hand, by pulling up the plug cover unit 7 from above the pipe 2, the plug cover unit 7 can be removed from the pipe 2.

  The water passing member 71 is a member that is lifted by the support member 512 at least when the support member 512 moves up. The water passage member 71 has an annular shape and is disposed along the inner peripheral surface of the pipe 2 (inflow portion 221). Further, the water passing member 71 is attached to the lower end portion of the support shaft 72 via an arm portion extending along the radial direction.

  The support shaft 72 is disposed substantially at the center of the pipe 2 and has a rod shape extending in the vertical direction. Further, the upper end of the support shaft 72 is attached to the center of the back surface of the plug lid 73, thereby supporting the plug lid 73.

  The plug lid 73 includes a disk-shaped plug lid main body portion 731 made of resin or the like, and a packing portion 732 attached to the plug lid main body portion 731. The packing portion 732 is formed in an annular shape from an elastically deformable material (for example, rubber or resin), and is attached to the outer peripheral side of the back surface of the plug lid main body portion 731. In this embodiment, the plug lid 73 is indirectly supported by the support member 512 via the water passage member 71 and the support shaft 72. However, the plug lid is directly supported by the support member. It is good.

  In the drain plug device 1 configured as described above, the transmission member 52 (the inner wire 524, the absorber moving portion 5212, and the rod-shaped portion 522) moves forward with the displacement of the operation member 64, and the drive member 51 moves to one side. By rotating, the support member 512 moves up, and the plug lid 73 (plug lid unit 7) moves up. As a result, the packing part 732 is separated from the drain port member 21 so that the drain port 103 is opened.

  If a downward force is applied to the plug lid 73 with the stopper lid 73 moved upward, such as when the stopper lid 73 is stepped on while the stopper lid 73 is moved upward, the drive member 51 or the like is moved. Thus, an overload along the reciprocating direction of the transmission member 52 can be applied. However, even when an overload is applied, the absorber moving unit 5212 can absorb the load.

  On the other hand, when the lock by the lock mechanism is released along with the displacement of the operation member 64, the transmission member 52 is moved backward, and the drive member 51 is rotated to the other side, so that the support member 512 is moved downward, and the plug The lid 73 (plug lid unit 7) moves downward. As a result, the entire outer peripheral portion of the packing portion 732 comes into contact with the drain port member 21 so that the drain port 103 is closed. That is, the driving force due to the displacement of the operation member 64 is transmitted to the driving member 51 through the transmission member 52, and the driving member 51 rotates and the support member 512 moves up and down, whereby the plug lid 73 moves up and down.

  In the present embodiment, when the drainage port 103 is in the open state, the water passing member 71 is placed on the support member 512, while the support member 512 is disposed at the lowest position (drainage When the mouth 103 is in the closed state), the water passing member 71 is separated from the support member 512 (floating state). As a result, when the drainage port 103 is closed, the packing portion 732 can be more reliably brought into contact with the drainage port member 21, and good watertightness can be obtained.

  Next, a method for attaching the drain plug device 1 described above will be described. First, the drain port member 21 is screwed into the drain pipe 22 so that the pipe 2 is connected to the bottom wall portion 101 of the bathtub 100. The pipe 2 is in a state where the external cylinder portion 3 is connected in advance.

  Further, the guide member 61 and the joint member 62 are attached to the bathtub 100 by screwing the guide member 61 to the joint member 62. Next, the other end of the tube member 4 is connected to the end of the joint member 62.

  Thereafter, the transmission member 52 separated from the drive member 51 is sent from the operation device 6 side to one end side of the tube member 4 through the guide member 61, the joint member 62, and the inside of the tube member 4. The transmission member 52 includes a transmission mechanism 521, a rod-shaped portion 522, an outer tube 523, and an inner wire 524, and the other end of the outer tube 523 is connected in advance to the operation side mechanism portion 63. It is a thing. Then, the transmission mechanism 521 is disposed inside the cover member 53 with the transmission mechanism 521 extended from one end of the tube member 4. The rod-like portion 522 may be connected to the transmission mechanism 521 after the transmission mechanism 521 is taken out from one end of the tube member 4.

  Separately from the transmission member 52, the drive member 51 separated from the transmission member 52 is disposed in the drive member accommodating portion 81 through the pipe side opening 8 </ b> B. The drive member 51 may be disposed in the drive member accommodating portion 81 as long as the pipe 2 is connected to the bottom wall portion 101.

  Next, the transmission member 52 is inserted from the end opening 8 </ b> C into the transmission member accommodating portion 82 with the rod-shaped portion 522 at the top. Then, by pushing the transmission member 52 toward the drive member 51 side, the connected portion 513 is disposed between the arm portions of the sandwiching connection portion 522A, and the drive member 51 and the transmission member 52 are connected.

  Next, the nut member 42B is rotated so that the male screw portion 8D provided in the transmission member accommodating portion 82 is screwed into the nut portion 42B, whereby the member 42 for attaching the tube member 4 to the transmission member accommodating portion 82 is obtained. At the same time, the attachment member 42 and the transmission member accommodating portion 82 sandwich the flange-shaped portion 531 of the cover member 53. Accordingly, the tube member 4 is connected to the transmission member accommodating portion 82, and the transmission mechanism 521 covers the inside of at least one of the transmission member accommodating portion 82 and the tube member 4 (both in the present embodiment). The state is fixed to the transmission member accommodating portion 82 via the member 53.

  Then, the operation side mechanism 63 is held by the guide member 61 and the operation button 641 is attached to the shaft 642. Further, the stopper cover unit 7 is arranged from above the pipe 2 into the pipe 2. Thereby, installation of the drain plug apparatus 1 with respect to the bathtub 100 is completed. Note that the operation-side mechanism 63 is held by the guide member 61 and the operation button 641 is attached to the shaft 642 after the transmission member 52 is sent to one end side of the tube member 4 through the tube member 4 or the like. You can go anytime.

  In addition, the drain plug apparatus 1 can be removed from the bathtub 100 by following the procedure reverse to the attachment method. Therefore, when the transmission drive member 5 is removed from the accommodating portion 8 in order to perform maintenance such as replacement of the transmission drive member 5, the transmission member 52 is pulled from the end opening 8C side so as to be clamped and connected from the connected portion 513. The part 522A can be removed, and the drive member 51 and the transmission member 52 can be separated. By separating the drive member 51 and the transmission member 52, the drive member 51 can be removed from the drive member accommodating portion 81 through the pipe side opening 8B, and the transmission member 52 can be removed from the transmission member accommodating portion 82 through the end portion opening 8C. Can be removed.

  In addition, since the whole piping side opening 8B is located below the sealing surface 24, the drive member 51 arrange | positioned at the drive member accommodating part 81 is the state normally used for sealing water. Therefore, the removed drive member 51 floats upward of the pipe 2 by sealing water.

  As described above in detail, according to the present embodiment, the transmission member 52 includes the absorber moving part 5212 as a shock absorber, and the absorber moving part 5212 applies an overload along the reciprocating direction of the transmission member 52. Can be absorbed. As a result, an excessively large force is applied to each member of the transmission drive member 5 (the support member 512, the drive member 51, the transmission member 52) and the member positioned around the transmission drive member 5 (the accommodating portion 8). Can be prevented. As a result, damage and deformation of the member can be prevented more reliably.

  In addition, the absorber moving part 5212 is disposed at a position away from the drainage flow path (in this embodiment, inside the pipe 2) flowing through the drainage port 103. Therefore, good drainage performance, hygiene, etc. can be realized. In addition, deterioration of the component parts of the absorber moving unit 5212 can be made less likely to be achieved, and the life of the apparatus can be extended. Furthermore, the absorber moving unit 5212 is disposed at a position away from the drainage flow path, so that the absorber moving unit 5212 can be replaced or maintained relatively easily.

  Further, the transmission member accommodating portion 82 is in a state of being close to the outer side surface of the pipe 2 and is in a state extending in the tangential TL direction with respect to the outer side surface when viewed in plan. On the other hand, it has a shape that intersects three-dimensionally. Therefore, it is possible to improve the unity of the pipe 2 and the external cylinder part 3, and it is possible to reduce the space required for arranging the external cylinder part 3 (accommodating part 8). Thereby, the convenience regarding the handling of an apparatus can be improved and the workability | operativity regarding attachment (installation), a maintenance, etc. of an apparatus can be improved. Moreover, the installation freedom degree of an apparatus can be raised. Furthermore, it becomes possible to increase the degree of freedom of design in the bathtub 100 or a structure using the bathtub 100 (for example, a bathroom unit).

  In addition, the transmission member accommodating portion 82 extends obliquely upward from the drive member accommodating portion 81, and when viewed in plan, the rotation axis CL1 of the drive member 51 and the center axis CL2 of the transmission member accommodating portion 82 are in a state of being orthogonal to each other. It is configured. Therefore, the protrusion amount of the transmission member accommodating portion 82 (external cylinder portion 3) with respect to the pipe 2 can be made smaller while sufficiently extending the transmission member accommodating portion 82 upward. Thereby, the space required for arranging the accommodating portion 8 can be further reduced, and the degree of freedom of installation of the apparatus and the degree of freedom of design in the bathtub 100 and the like can be further enhanced. Moreover, the convenience concerning handling of the apparatus can be further improved, and workability can be further improved.

  In addition, the transmission member 52 includes an absorber moving unit 5212 that moves along a linear path. Therefore, when the transmission member 52 reciprocates, the transmission member 52 can be more reliably prevented from shaking. Thereby, transmission of the driving force through the transmission member 52 can be performed more reliably and more stably. As a result, good operability can be obtained.

  On the other hand, the adjustment mechanism unit 16 can prevent a load due to a difference in the moving direction of the absorber moving unit 5212 and the connected portion 513 from being applied to the absorber moving unit 5212. Thereby, the absorber moving part 5212 can be moved smoothly, and favorable operativity can be obtained more reliably.

  Further, the absorber moving unit 5212 also serves as a linear moving unit and a shock absorber. In other words, the linear moving unit also serves as a shock absorber component. Therefore, the transmission member 52 can be made compact. Moreover, compared with the case where a shock absorber and a linear moving part are provided separately, manufacturing cost can be reduced.

  In addition, since the absorber moving part 5212 is built in the transmission mechanism 521, the transmission member 52 can be further downsized.

  By the way, since the attachment target of the drain plug device 1 is the bathtub 100, it is usually difficult to reach the housing portion 8, and it is considered difficult to dispose and remove the transmission drive member 5 from the housing portion 8. In this respect, in the present embodiment, the transmission member accommodating portion 82 extends obliquely upward from the driving member accommodating portion 81 at an angle steeper than the extending angle of the driving member accommodating portion 81, and the end opening 8C is obliquely upward. Is open. The transmission drive member 5 can be attached to the housing 8 (external cylinder 3) or maintained (exchanged, etc.) through the pipe side opening 8B and the end opening 8C. That is, according to the present embodiment, since the end opening 8C is disposed at a sufficiently high position and faces upward, the transmission drive member 5 is disposed and removed from above the end opening 8C through the end opening 8C. The outside can be done easily. Therefore, work related to the installation (installation) and maintenance of the apparatus can be easily performed, and good workability can be obtained.

  In addition, the transmission member accommodating portion 82 extends obliquely upward from the driving member accommodating portion 81 at an angle steeper than the angle at which the driving member accommodating portion 81 extends. It is not necessary to extend the cylinder part 3 greatly. Therefore, it can prevent that the accommodating part 8 (external cylinder part 3) protrudes from the piping 2 excessively. Thereby, size reduction of the space required in order to arrange | position the accommodating part 8 can be achieved, and the installation freedom degree of an apparatus can be raised. In addition, along with this, it becomes possible to increase the degree of freedom of design in the bathtub 100 and the like. Furthermore, the convenience concerning handling of the apparatus can be improved, and the workability can be further improved.

  Further, since the end opening 8C is obliquely upward, the transmission member 52 can be guided from the operation member 64 side positioned above the end opening 8C into the accommodating portion 8 without being bent excessively. Therefore, smoother movement in the transmission member 52 can be achieved, and operability can be improved. Furthermore, the transmission member 52 can be more reliably prevented from being damaged, and the life of the apparatus can be extended.

  In addition, since the outer cylindrical portion 3 is substantially indisplaceable with respect to the bathtub 100, when the transmission drive member 5 is disposed in the accommodation space 8 </ b> A, the portion on the end opening 8 </ b> C side (the transmission member accommodation portion 82). ) Is not particularly required. Thereby, workability | operativity can be improved further.

  In addition, the drive member 51 and the transmission member 52 can be connected in the accommodation space 8A by pushing the transmission member 52 toward the drive member 51 side. Therefore, the transmission drive member 5 can be more easily attached and maintained, and workability can be further improved.

  In addition, when removing the transmission drive member 5 from the accommodating portion 8, the transmission member 52 and the drive member 51 can be separated at the node portion 15A by pulling the transmission member 52 from the end opening 8C side. Therefore, the transmission member 52 and the drive member 51 connected in the accommodation space 8A can be separated very easily, and the transmission member 52 can be removed from the transmission member accommodation portion 82 through the end opening 8C, or the drive member 51 can be removed. It can be easily removed from the drive member accommodating portion 81 through the pipe side opening 8B. As a result, maintenance and the like can be performed more easily, and better workability can be obtained.

  Furthermore, since the drive member 51 is configured to float on water, the drive member 51 can be lifted to the upper side of the pipe 2 by sealing water after the drive member 51 is removed. Thereby, it is possible to easily pull out the driving member 51 from the pipe 2. As a result, the workability related to the removal of the drive member 51 can be remarkably enhanced.

  In addition, since the inner wire 524 and the outer tube 523 are flexible, handling related to mounting and maintenance is facilitated, and workability can be further improved. Further, in the transmission mechanism 521, since the outer tube 523 is indirectly attached to the transmission member accommodating portion 82, the inner wire 524 is moved while using the flexible inner wire 524 and outer tube 523. Thereby, the absorber moving part 5212 as an interposition part can fully be moved. Thereby, it is possible to sufficiently transmit the driving force from the inner wire 524 to the member (bar-shaped portion 522) on the driving member 51 side, and good operability can be obtained.

  Furthermore, according to the present embodiment, by attaching the tube member 4 to the transmission member accommodating portion 82, as a result, not only the connection between both, but also the attachment of the transmission mechanism 521 and the outer to the transmission member accommodating portion 82 are achieved. Indirect attachment of the tube 523 can also be performed. Therefore, workability related to attachment and maintenance can be further improved.

  In addition, the hook-shaped portion 531 is sandwiched between the transmission member accommodating portion 82 and the mounting member 42 along the reciprocating direction of the transmission member 52, so that the transmission mechanism held by the cover member 53 and the cover member 53 is secured. 521 can be more reliably arranged at a fixed position along the reciprocating direction. Accordingly, the relative positional relationship between the members (rod-like portion 522 and drive member 51) located on the drive member 51 side and the transmission mechanism 521 can be made appropriate without specially adjusting the position of the transmission mechanism 521. it can. Thereby, workability | operativity can be improved further.

  Furthermore, since the concave portion 531B of the bowl-shaped portion 531 functions as a water passage, water flowing through the tube member 4 from the joint member 62 side can be more smoothly flowed to the pipe 2 side (drainage flow channel side). it can. In addition, foreign matters such as hair and dust that have entered from the joint member 62 can be captured by the plurality of convex portions 531 </ b> A constituting the hook-shaped portion 531. As a result, it is possible to more reliably suppress the entry of foreign matter into the drive member 51 side, and to improve the operational stability.

  Further, since the internal space from the joint member 62 to the pipe side opening 8B is configured to be watertight, the water that has entered the joint member 62 is allowed to enter the inside of the pipe 2 (that is, through the tube member 4 and the accommodating portion 8). , It is possible to guide more reliably to the drainage channel side). Thereby, it can prevent that the water which infiltrated into the coupling member 62 flows out into the location which is not a flow path of a waste_water | drain, and can improve sanitaryness etc. more.

  In addition, since the entire absorber moving part 5212 is disposed above the sealing surface 24, the absorber moving part 5212 can be more reliably prevented from getting stuck. Thereby, the corrosion and deterioration of the absorber moving part 5212 can be effectively suppressed, and the life of the apparatus can be further extended.

  Furthermore, the sealing portion 23 is configured such that its sealing surface 24 is located above the entire piping-side opening 8B. Therefore, the sealing part 23 can be brought close to the drainage port 103, and the pipe 2 can be made compact along the vertical direction. Thereby, the improvement of workability | operativity which concerns on the improvement of the installation freedom degree of apparatus, attachment of piping 2, etc. can be aimed at. Moreover, it becomes possible to raise the freedom degree of design in bathtub 100 grade | etc., More.

  On the other hand, when the sealing surface 24 is located above the entire piping-side opening 8B, there is a concern that a large amount of sealing water will flow out from the end opening 8C. On the other hand, in the present embodiment, at least a part of the end opening 8 </ b> C is configured to be positioned above the sealing surface 24. Accordingly, it is possible to more reliably prevent a large amount of sealed water from flowing out from the end opening 8C. As a result, it is possible to improve workability related to maintenance and ensure good hygiene.

  In particular, in the present embodiment, since the entire end opening 8C is configured to be located above the sealing surface 24, the outflow of the sealing water from the end opening 8C can be extremely effectively suppressed. The outflow of the sealing water from the end opening 8C can be normally zero. As a result, operational effects such as improvement of workability and securing of good hygiene can be exhibited more remarkably.

  Moreover, since the external cylinder part 3 which comprises the accommodating part 8 cannot be displaced relatively with respect to the bathtub 100, the external cylinder part 3 does not deform | transform easily and the position of the edge part opening 8C falls. Thereby, while being able to aim at prevention of the sealing water outflow more reliably, workability | operativity and hygiene can be improved more.

  Further, the rotation restricting means 14 can restrict the relative rotation of the rod-like portion 522 with respect to the transmission member accommodating portion 82. Therefore, the driving force due to the displacement of the operation member 64 can be transmitted to the driving member 51 without loss. As a result, operability can be further improved.

  In addition, the drive member accommodating portion 81 extends substantially in the horizontal direction, and the rotation axis CL1 of the drive member 51 accommodated therein is also substantially horizontally extended. Therefore, when the drive member 51 is rotated, the protrusion amount of the support member 512 with respect to the inner surface of the pipe 2 can be prevented from greatly fluctuating. Thereby, the stopper lid 73 (plug lid unit 7) can be stably supported by the support member 512, and the operational stability of the apparatus can be improved. Further, it is not necessary to increase the protruding amount of the support member 512 in order to ensure operational stability. Therefore, the adhesion of foreign matter to the support member 512 can be suppressed, and the hygiene can be further improved.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) In the said embodiment, although the transmission member accommodating part 82 is extended in the diagonally horizontal direction, as shown to FIGS. 11-14, you may comprise so that the transmission member accommodating part 132 may be extended in a horizontal direction. Moreover, you may comprise so that the transmission member accommodating part 132 shall be in the state which contacted the outer surface (outer peripheral surface) of the piping 33 as a drainage member, and extended in the tangential direction with respect to the said outer surface. Further, the end opening 132C may be configured to open in the horizontal direction.

  In the example shown in FIG. 11 and the like, the pipe 33 includes a drain port member 331 and a drain pipe 332 provided coaxially with the drain port 103. The drain port member 331 includes an outer annular portion 331A located on the outer side and an inner annular portion 331B located on the inner side, and both the annular portions 331A and 331B are concentrically arranged, and It is in a connected state.

  The drain pipe 332 includes an annular portion 332A having an internal thread formed on the inner periphery at the upper center. Then, a male screw 333 having a through-hole formed at the center is screwed into a female screw of the annular portion 332A while passing through the inner periphery of the inner annular portion 331B, and is formed by the outer annular portion 331A and the upper end of the drain pipe 332. By inserting the bathtub 100, the drain port member 331 and the drain pipe 332 are attached to the bathtub 100.

  Further, the drive member 341 of the transmission drive member 34 includes a columnar columnar portion 341A, a rod-shaped support member 341B protruding from the outer periphery of the columnar portion 341A, and an end portion of the columnar portion 341A on the transmission member 342 side described later. And an arm portion 341 </ b> C provided in a protruding state on the outside. A projection-like connected portion 341D is provided at the tip of the arm portion 341C. The connected portion 341D moves along an arcuate path when the driving member 341 is rotated.

  In addition, the drive member 341 is disposed in the drive member housing portion 131 that extends in the horizontal direction, and the rotation shaft of the drive member 341 extends horizontally. The support member 341B protrudes from the inner side (inner periphery) of the pipe 33 through the communication hole 332B formed in the pipe 33 (drain pipe 332), and is moved up and down as the drive member 341 rotates. It comes to move. In this example, the communication hole 332B constitutes a pipe side opening 132B as the drainage member side opening. An annular seal member 341 </ b> E is disposed between the drive member 341 and the drive member accommodating portion 131. The seal member 341 </ b> E can more reliably prevent water that has entered the drive member accommodation portion 131 through the communication hole 332 </ b> B from reaching the transmission member accommodation portion 132.

  Further, the plug lid unit 35 is supported by the tip portion of the support member 341B. The plug lid unit 35 includes a plug lid 351 for opening and closing the drain port 103 and a support shaft 352 attached to the plug lid 351. The support shaft 352 is inserted into the through hole of the male screw 333, and when the support member 341B is moved upward, the lower end portion of the support shaft 352 is pressed upward by the support member 341B. As a result, the support shaft 352 rises while being guided by the male screw 333, and as a result, the drainage port 103 is opened. On the other hand, when the support member 341B moves downward in this state, the support shaft 352 descends and the plug lid 351 contacts the drain port member 331, so that the drain port 103 is closed.

  Further, the transmission member 342 of the transmission drive member 34 includes a transmission mechanism 3421 and a connecting member 3422. The transmission mechanism 3421 is disposed inside the transmission member housing portion 132 and can reciprocate along the direction in which the transmission member housing portion 132 extends. The transmission mechanism 3421 includes an absorber moving part 3421A that constitutes a shock absorber, a linear moving part, and an interposition part, and a case part 3421B that accommodates the absorber moving part 3421A in a reciprocating manner along a linear path. Have. The end of the outer tube 523 is attached to the case portion 3421B.

  The connecting member 3422 connects the distal end portion of the absorber moving portion 3421A (an inner rod portion 3421D described later) and the connected portion 341D, and is connected to both. The connecting member 3422 is rotatable relative to the absorber moving portion 3421A at a connecting portion with the absorber moving portion 3421A on a rotating shaft parallel to the rotating shaft of the driving member 341, and is connected to the connected portion 341D. The connecting portion is configured to be rotatable relative to a connected portion 341D on a rotation axis parallel to the rotation axis of the drive member 341. Thereby, it is possible to prevent the load due to the difference between the moving direction of the absorber moving part 3421A and the moving direction of the connected part 341D from being applied to the absorber moving part 3421A. In other words, in this example, the adjustment mechanism portion is configured by the connecting member 3422.

  Further, the absorber moving portion 3421A is interposed between the end portion of the inner wire 524 and the member (in this example, the connecting member 3422) located on the drive member 341 side, and reciprocates as the inner wire 524 moves. Then, the connecting member 3422 is reciprocated. As the connecting member 3422 reciprocates, the driving member 341 rotates, and as a result, the support member 341B moves up and down, thereby opening and closing the drainage port 103.

  More specifically, in this example, the inner wire 524 moves backward, and the absorber moving part 3421A moves backward, whereby the drive member 341 rotates to one side. As a result, the tip end portion of the support member 341B moves upward, and the drainage port 103 is opened. That is, the drainage port 103 is opened by pulling the inner wire 524 from the operation device 6 (operation member 64) side. On the other hand, when the inner wire 524 moves forward with the drain port 103 opened, the absorber moving portion 3421A moves forward, and the drive member 341 rotates to the other side. As a result, the tip side portion of the support member 341B moves down, and the drainage port 103 is closed.

  Further, the absorber moving part 3421A includes an outer cylinder part 3421C corresponding to the outer cylinder part 5212B in the above embodiment, a rod-like inner rod part 3421D corresponding to the inner cylinder part 5212A in the above embodiment, and the shock absorber in the above embodiment. A shock absorber spring 3421E corresponding to the spring 5212C is provided. The shock absorber spring 3421E is sandwiched between the outer cylinder portion 3421C and the inner rod portion 3421D along the reciprocating direction of the absorber moving portion 3421A.

  In this example, as described above, when the absorber moving unit 3421A moves forward, the drive member 341 rotates to the other side, and the drainage port 103 is closed. Therefore, when a downward force is applied to the plug lid 351 when the drainage port 103 is in the open state, a force in a direction rotating to one side is applied to the drive member 341. Accordingly, when a downward force is applied to the plug lid 351 when the drainage port 103 is in an open state, an overload in the forward movement direction is applied to the inner rod portion 3421D. However, even if such an overload is applied, the applied shock can be absorbed by the shock absorber spring 3421E being compressed and deformed.

  (B) Although not specifically described in the above embodiment, FIGS. 15 to 18 (FIG. 15 is a cross-sectional view taken along the line JJ of FIG. 17, and FIG. 16 is a cross-sectional view taken along the line KK of FIG. 17 and 18, the waterproof pan 106 or the like may be provided below the bathtub 100 as shown in FIG. In addition, by adopting a configuration in which the driving member 51 and the piping side opening 8B are arranged inside the drainage port 107 formed in the waterproof pan 106 or below the drainage port 107, a position directly below the drainage port 103 of the bathtub 100 is adopted. Alternatively, the drainage port 107 of the waterproof pan 106 may be disposed, and both the drainage ports 103 and 107 may be disposed close to each other in the vertical direction. In this case, the floor of the bathtub 100 can be reduced.

  However, in this case, if the drive member housing portion and the transmission member housing portion are configured to extend substantially horizontally, as a result, the inner end of the drainage port 107 of the waterproof pan 106 or the lower end of the drainage port 107 will end. It can be in the state where the part opening is installed. In this state, there is a possibility that the transmission drive member 5 cannot be attached or maintained through the end opening.

  However, the transmission member accommodating portion 82 extends obliquely upward at an angle steeper than the extending angle of the drive member accommodating portion 81, and the end opening 8C opens obliquely upward. Therefore, when the configuration in which the driving member 51 and the pipe side opening 8B are disposed inside the drain port 107 or below the drain port 107 (that is, the configuration in which the bathtub 100 and the waterproof pan 106 are close to each other) is adopted. In addition, the end opening 8 </ b> C can be disposed above the drain port 107 of the waterproof pan 106. Accordingly, the transmission drive member 5 can be attached and maintained relatively easily through the end opening 8C. That is, it is possible to arrange the bathtub 100 and the waterproof pan 106 in the proximity state while enabling work such as attachment of the transmission drive member 5.

  In the example shown in FIG. 15 and the like, the outer cylindrical portion 3, the transmission drive member 5, the plug lid unit 7 and the like have the same configuration as that in the above embodiment. On the other hand, the pipe 25 as a drainage member is constituted by a drain port member 21 and a drain pipe 26. The drain pipe 26 has a relatively short cylindrical shape extending in the vertical direction, and corresponds to the upper portion of the inflow portion 221 in the above embodiment. The drain pipe 26 is provided with a communication hole 26A penetrating from the inside to the outside. In this example, the pipe-side opening 8B is configured by the communication hole 26A, and the support member 512 of the drive member 51 protrudes from the inside of the pipe 25 through the communication hole 26A.

  A tubular connecting member 91 is provided outside the pipe 25. The connecting member 91 is attached to the bathtub 100 by being sandwiched between the upper end portion of the drain pipe 26 and the bathtub 100. Further, the connecting member 91 includes a housing bulging portion 91A in which the outer cylindrical portion 3 (housing portion 8) is housed, and the housing bulging portion 91A is formed with a through hole 91B that opens obliquely upward. Has been. And the outer cylinder part 3 (especially transmission member accommodating part 82 among the accommodating parts 8) comes out from the inside of the member 91 for connection through the said through-hole 91B. As a result, the end opening 8 </ b> C is disposed outside the connection member 91 and above the drain port 107 of the waterproof pan 106.

  Further, a hook-shaped annular portion 91C projecting outward is formed at the lower end portion of the connecting member 91, and the outer diameter of the annular portion 91C is substantially the same as the inner diameter of the mounting member 108 described later. It is said that. Furthermore, a groove portion 91D extending in the circumferential direction of the annular portion 91C is formed on the outer periphery of the annular portion 91C.

  On the other hand, a cylindrical mounting member 108 having a male screw formed on the outer periphery is inserted into the drainage port 107 of the waterproof pan 106. The attachment member 108 is screwed into a female screw formed on the inner periphery of a drainage water passage pipe 109 having a cylindrical shape, and the waterproof pan 106 is sandwiched between the attachment member 108 and the water passage pipe 109. . As a result, the water pipe 109 is connected to the waterproof pan 106, and the waste water that has passed through the drain port 107 flows into the water pipe 109.

  Furthermore, a protrusion 108 </ b> A is formed on the inner periphery of the upper portion of the attachment member 108. The protrusion 108 </ b> A has a plurality of protrusions protruding inwardly. Then, the annular portion 91C of the connection member 91 is inserted into the inner periphery of the attachment member 108, and the projection 108A is disposed with respect to the groove portion 91D, whereby the connection member 91 closes the opening of the attachment member 108. In this state, the attachment member 108 and the connection member 91 are connected. Thereby, the waste water that has passed through the pipe 25 flows into the water pipe 109.

  (C) In the said embodiment, although the drainage pipe 22 is comprised so that the folding | turning part 222 may extend diagonally upward from the lower end of the inflow part 221, the structure of a drainage pipe is not limited to this. Therefore, for example, as shown in FIG. 19, the orthogonal part 224 extends in the horizontal direction from the lower end of the inflow part 221, and the orthogonal part 224 is connected to a trap (not shown) provided at the drainage port of the washing place ( (Integrated). In this case, the sealing water may be accumulated up to the sealing surface 28 of the sealing portion 27 constituted by the trap, the orthogonal portion 224 and the inflow portion 221.

  (D) The piping does not necessarily have to have a sealed portion.

  Moreover, the shape of the drainage member is not limited to a cylindrical shape. Therefore, for example, as shown in FIGS. 20 and 21, the drainage members 36 and 37 are plate-like (wall-like) with communication holes, and the inner part of the drainage member is located on the drainage port 103 side. The portion where the support member 512 is located may constitute a part of the drainage flow path that flows through the drainage port 103. That is, the inner portions of the drainage members 36 and 37 may be configured so that the drainage flows. As shown in FIG. 21, when the outer surface of the drainage member is flat, “the tangential direction with respect to the outer surface of the drainage member” has the same meaning as the direction along the outer surface of the drainage member.

  (E) As shown in FIG. 22, the end opening 20 </ b> C is positioned on the side of the peripheral wall 102 by adopting a configuration in which the transmission member accommodating portion 20 (external cylinder portion 31) is further extended upward. You may comprise. In this case, the hand is very easily reachable with respect to the end opening 20C, and the transmission drive member 19 can be more easily placed and removed from the accommodation space 20A through the end opening 20C. As a result, maintenance and the like can be performed more easily, and workability can be further improved.

  Further, the extending angle of the transmission member accommodating portion 20 positioned on the communication hole 221A side and the extending angle of the transmitting member accommodating portion 20 positioned on the end opening 20C side (the horizontal plane and the central axis of the transmitting member accommodating portion 20). The angle of the transmission member accommodating portion 20 located on the communication hole 221A side is smaller than the angle of the transmission member accommodating portion 20 located on the end opening 20C side. You may comprise as follows. In this case, the transmission is performed so that the angle is relatively gentle at a position in the vicinity of the communication hole 221A and the angle is relatively steep at a position away from the communication hole 221A and hardly interferes with the bottom wall 101. The member accommodating part 20 can be comprised. Therefore, the drive member accommodating portion 81 located on the base side of the transmission member accommodating portion 20 can be disposed on the upper side (near the drainage port 103), and the drive member 51 and the communication hole 221A are also disposed on the upper side. It becomes possible. Thereby, the compactization along the up-down direction of the piping 2 can be achieved further.

  Further, the transmission member accommodating portion 20 may have a shape extending along the peripheral wall portion 102. In this case, the transmission member accommodating portion 20 can be arranged in a well-organized state with respect to the bathtub 100. As a result, the apparatus can be made more compact.

  In the example shown in FIG. 22, the transmission drive member 19 includes a plurality of rod-shaped portions 191 connected in series so as to be capable of rotating relative to each other in order to correspond to the lengthening of the transmission member housing portion 20. , 192, 193. Each of the rod-shaped portions 191, 192, and 193 reciprocates. Of these, the rod-shaped portion 193 moves along the linear path together with the absorber moving portion 5212, that is, a linear moving portion. In addition, the bar-shaped portions 191 and 192 constitute an adjustment mechanism unit that prevents the load due to the difference between the moving direction of the bar-shaped portion 193 and the moving direction of the connected portion 513 from being applied to the bar-shaped portion 193.

  (F) Although not specifically described in the above embodiment, as shown in FIG. 23, a water passage portion 511 </ b> A serving as a water flow path may be formed through the cylindrical portion 511 of the drive member 51. In this case, water can be smoothly flowed in the accommodating portion 8, and the water passing ability in the accommodating portion 8 can be sufficiently ensured. As a result, it is possible to appropriately (faster) discharge water flowing from the operation member 64 side to the pipe 2 side.

  From the viewpoint of smoother water flow, it is preferable that the area of the water passage portion 511 </ b> A is larger than the area of the gap between the outer periphery of the drive member 51 (columnar portion 511) and the drive member housing portion 81. Moreover, even if it is a case where the position along the rotation direction of the drive member 51 changes by forming the water flow part 511A so that the center of the drive member 51 (columnar part 511) may be penetrated, it is water flow. The position of the portion 511A hardly changes, and smoother water flow can be achieved.

  (G) The adjustment mechanism unit is not limited as long as it can prevent the load due to the difference between the moving direction of the linear moving unit and the moving direction of the connected portion from being applied to the linear moving unit. It is not limited to. Therefore, for example, as shown in FIG. 24, a projection-shaped connected portion 513 and a hole-shaped or hollow-shaped projection arrangement portion 5216A which is formed at one end of the linear movement portion 5216 and in which the connected portion 513 is arranged, The adjustment mechanism unit 32 may be configured as described above. The protrusion placement portion 5216A has such a size that the connected portion 513 can sufficiently move in the direction intersecting the moving direction of the linear moving portion 5216. Of course, the adjustment mechanism portion may be configured by providing a protrusion on the linear moving portion and using a hole-like or depression-like protrusion arrangement portion on which the protrusion is arranged as the connected portion.

  (H) In the above embodiment, when the transmission member 52 is pulled from the end opening 8C side, the drive member 51 and the transmission member 52 are separated at the node portion 15A. On the other hand, the transmission mechanism 521 is moved away from the drive member 51 by making the coupling force of the sandwiched coupling part 522A and the connected part 513 larger than the coupling force of the sandwiching coupling part 522B and the coupling shaft part 521A. When pulled, the transmission mechanism 521 and the rod-shaped portion 522 may be separated at the interposition node 15B before the drive member 51 and the rod-shaped portion 522 (the transmission member 52) are separated. That is, when the transmission member 52 is pulled from the end opening 8C side, the components of the transmission member 52 may be separated from each other at the interposition node 15B. In this case, it is possible to easily perform maintenance on a portion of the transmission member 52 that is located on the opposite side of the drive member 51 with respect to the interposed node 15B. In particular, in the above embodiment, a transmission mechanism 521 having the absorber moving portion 5212 is provided for a portion of the transmission member 52 that is located on the opposite side of the drive member 51 with respect to the interposed node 15B. Maintenance of the mechanism 521 can be easily performed.

  (I) In the above embodiment, the accommodating portion 8 is configured by a portion that forms the communication hole 221 </ b> A in the outer cylindrical portion 3 and the pipe 2, but the accommodating portion 8 includes at least the outer cylindrical portion 3. I just need it. Therefore, for example, a portion of the outer cylinder portion 3 that is located on the pipe 2 side is inserted into the communication hole 221 </ b> A so that a portion that forms the communication hole 221 </ b> A in the pipe 2 does not become a constituent portion of the housing portion 8. Good. In this case, the accommodating portion 8 includes only the outer cylinder portion 3. In this case, the pipe side opening 8 </ b> B is formed by an opening that opens toward the inner space side of the pipe 2 in the outer cylinder portion 3. In this case, the communication hole 221A and a part of the internal space of the outer cylindrical portion 3 are overlapped, but the point that the accommodating space 8A is composed of the communication hole 221A and the internal space of the outer cylindrical portion 3 is This is the same as the above embodiment.

  (J) In the above-described embodiment, the end opening 8C is opened obliquely upward, but the end of the transmission member accommodating portion 82 on the other end side has a shape extending in the vertical direction. The opening 8C may be configured to open upward.

  (K) In the above embodiment, the sealing surface 24 is configured to be positioned above the piping side opening 8B, but the sealing surface 24 may be configured to be positioned below the piping side opening 8B. Good. In this case, when the drive member 51 is accidentally dropped when the drive member 51 is removed, the drive member 51 floats in the sealed water. Thereby, it can prevent that the drive member 51 falls into the back of the piping 2. FIG.

  (L) In the above embodiment, the driving member 51 and the transmission member 52 are connected, but it is sufficient that the driving force can be transmitted from the transmission member 52 to the driving member 51. There is no need to connect the two. Therefore, for example, a gear-shaped rack may be provided on the outer periphery of the drive member, while a rod-shaped rack having a plurality of teeth formed at one end of the transmission member, and the teeth of the rack may be engaged with the gear. Good.

  (M) In the above embodiment, the support member 512 is configured to move up and down by the rotation of the drive member 51. However, the support member is configured to move up and down when the drive member itself moves up and down. May be. For example, the drive member is configured to move in the diagonally up and down direction together with the transmission member, and the support member protruding from the drive member into the pipe 2 is moved in the diagonally up and down direction as the drive member moves in the diagonally up and down direction. It may be configured.

  (N) In the above embodiment, the accommodating space 8A is configured to be watertight except for the pipe-side opening 8B and the end opening 8C, and does not communicate with the outside except for the pipe-side opening 8B and the end opening 8C. It is configured. On the other hand, for example, by forming a hole other than the pipe side opening 8B and the end opening 8C in the housing part 8, the housing space 8A and the outside may communicate with each other through the hole. Good. In this case, when water can flow out through the hole, it is preferable that a waterproof pan is arranged below the hole.

  (O) In the above embodiment, the pipe 2 as the drainage member includes the drainage port member 21 and the drainage pipe 22, but directly fixes the drainage pipe to the bathtub 100 without using the drainage port member 21. Also good. In this case, the drainage member is constituted only by the drain pipe. Moreover, you may fix directly the drainage member comprised by the plate-shaped (wall-shaped) member with respect to the bathtub 100. FIG.

  (P) In the embodiment described above, the drain lid 103 is closed when the stopper lid 73 (packing portion 732) contacts the drain port member 21, but the stopper lid 73 (packing portion 732) is configured to be closed. You may comprise so that the drain outlet 103 may be closed by contacting the bottom wall part 101. FIG.

  (Q) In the said embodiment, although the bathtub 100 is illustrated as a tank body, the tank body which can apply the technical idea of this invention is not limited to a bathtub. Therefore, for example, the technical idea of the present invention may be applied to a wash basin or a kitchen sink.

  DESCRIPTION OF SYMBOLS 1 ... Drain plug apparatus, 2 ... Pipe (drainage member), 3 ... External cylinder part, 4 ... Tube member, 5 ... Transmission drive member, 8 ... Accommodating part, 8A ... Accommodating space, 8B ... Piping side opening, 8C ... End Part opening, 16 ... adjustment mechanism part, 23 ... sealing part, 24 ... sealing surface, 42 ... mounting member, 51 ... driving member, 52 ... transmission member, 53 ... cover member, 62 ... joint member (operation member accommodating part) , 64 ... operation member, 73 ... plug cover, 81 ... drive member accommodation part, 82 ... transmission member accommodation part, 100 ... bathtub (tank), 101 ... bottom wall part, 102 ... peripheral wall part, 103 ... drainage port, 221A ... Communication hole, 511A ... Water passage portion, 512 ... Support member, 513 ... Connected portion, 521 ... Transmission mechanism, 522 ... Bar-like portion, 523 ... Outer tube, 524 ... Inner wire, 531 ... Bridge-like portion, 531A ... Convex part, 531B ... concave part, 5211 ... case part, 5 12 ... absorber mobile unit (shock absorber, the linear movement portion, intermediate portion), TL ... tangential (with respect to the outer surface of the drain member).

Claims (10)

A plug lid that can be moved up and down to open and close a drain outlet provided in the tank body,
An operation member capable of relative displacement with respect to the tank body;
A drainage member that has a communication hole that penetrates from the inside to the outside;
A cylindrical outer tube portion extending from the drainage member in a state where its own internal space communicates with the inside of the drainage member via the communication hole, and is substantially indisplaceable relative to the drainage member; ,
A driving member that directly or indirectly supports the stopper lid, and that is operable to move the supporting member up and down, and provided between the driving member and the operating member. A transmission drive member having a transmission member that transmits a driving force to the drive member by reciprocating by displacement of the member;
A driving force due to the displacement of the operation member is transmitted to the driving member via the transmission member, and the stopper is moved up and down by operating the driving member and moving the support member up and down. A drain plug device,
A housing portion including at least the outer tube portion and having a housing space for housing the transmission drive member, which includes an inner space of the communication hole and the outer tube portion,
In a state where the support member protrudes from the inside of the drainage member through the communication hole, a drive member accommodating portion in which the drive member is accommodated,
It is constituted by the outer cylinder part, and has a transmission member accommodating part in which the transmission member is accommodated,
When a downward force is applied to the stopper lid with the stopper lid moving upward, the transmission member is configured to be loaded along the reciprocating direction thereof,
The transmission member is capable of absorbing an overload along the reciprocating direction, and includes a shock absorber disposed at a position away from the drainage flow path flowing through the drainage port,
The drainage plug characterized in that the transmission member housing portion is in contact with or close to the outer side surface of the drainage member and extends in a tangential direction with respect to the outer side surface when viewed from above. apparatus. The drive member has a connected portion connected to the transmission member, and the connected portion is configured to rotate by moving along an arcuate path along with the reciprocating movement of the transmission member. And
The transmission member has a linear moving part that moves along a linear path,
The drain plug device according to claim 1, further comprising an adjustment mechanism that prevents a load due to a difference between a moving direction of the linear moving unit and a moving direction of the connected portion from being applied to the linear moving unit.   The drain plug device according to claim 2, wherein the linear moving part is a component of the shock absorber. The transmission member is
A cylindrical outer tube having flexibility, with its own end directly or indirectly attached to the transmission member housing;
A flexible inner wire that is positioned closer to the operation member than the drive member and is inserted in a reciprocating manner with respect to the outer tube;
It is interposed between the end portion of the inner wire and the member positioned closer to the driving member than the inner wire in a reciprocable state, and is positioned on the driving member side by moving with the movement of the inner wire. The drainage plug device according to any one of claims 1 to 3, further comprising a transmission mechanism including an interposition part configured to be able to move the member. The transmission mechanism has a case portion arranged inside in a state in which the interposition portion can reciprocate, and an end portion of the outer tube is attached to the case portion.
A cylindrical operation member accommodating portion in which the operation member is disposed;
A tubular tube member having a cylindrical mounting member that can be attached to and detached from the transmission member housing portion at one end thereof, and connected to the operation member housing portion and the transmission member housing portion; ,
A holding member that holds the transmission mechanism inside itself and that has a hook-like portion protruding from the outside,
The attachment member is attached to the transmission member accommodating portion, and the tube-shaped portion is sandwiched between the attachment member and the transmission member accommodating portion so that the tube member is accommodated in the transmission member accommodating portion. And the transmission mechanism is fixed to the transmission member housing portion via the cover member in at least one of the transmission member housing portion and the tube member. ,
The drain plug device according to claim 4, wherein the transmission mechanism is configured to be able to pass through the inside of the operation member accommodating portion and the tube member. The hook-shaped portion has a shape including a plurality of convex portions and concave portions alternately along the circumferential direction of the cover member,
Only the convex portion is sandwiched between the attachment member and the transmission member accommodating portion,
The drain plug device according to claim 5, wherein water is allowed to pass through the recess.   The drain plug device according to any one of claims 4 to 6, wherein the shock absorber is built in the transmission mechanism. The accommodation space includes a drainage member side opening that is located on one end side and opens inside the drainage member, and an end opening that is located on the other end side and formed by the transmission member accommodation portion. Have
An operation member accommodating portion in which the operation member is disposed;
A cylindrical tube member connected to the operation member housing portion and the transmission member housing portion;
2. The internal space formed from at least the operation member housing portion, the tube member, and the housing portion from the operation member housing portion to the drainage member side opening is configured to be watertight. 8. The drain plug device according to any one of 7 above.   The drain plug device according to claim 8, wherein the driving member has a water flow portion serving as a flow path of water flowing in the housing portion. The accommodation space includes a drainage member side opening that is located on one end side and opens inside the drainage member, and an end opening that is located on the other end side and formed by the transmission member accommodation portion. Except for being watertight,
The drainage member has a cylindrical shape and has a sealed portion in which sealed water is stored,
The shock absorber is disposed in at least one of the internal space of the tubular tube member connected to the housing space and the transmission member housing portion,
The drain plug device according to any one of claims 1 to 9, wherein the entire shock absorber is disposed above a sealing surface of the sealing portion.

Images