JP6646848B2 - Handrail for bathtub - Google Patents

Description

  The present invention relates to a handrail for a bathtub, and more particularly to a handrail for a bathtub detachably attached to a side wall of the bathtub.

  Conventionally, a bathtub handrail attached to a side wall of a bathtub has been used (for example, see Patent Document 1). The bathtub handrail includes a pressing portion that abuts a first side surface (for example, a surface on the washroom side) of a side wall of the bathtub, a pressing receiving portion that abuts on a second side surface (for example, a surface inside the bathtub), and a pressing portion. There is provided a connecting portion for connecting the pressure receiving portion, and a handrail provided on the connecting portion.

JP 2004-261327 A

  By the way, recent bathtubs are often made of resin. Most of the side wall of the resin tub has a cavity inside, and the first side wall and the second side wall are connected at the upper end flange. . At this time, as the contact point between the side wall of the bathtub and the pressing portion goes downward, the bending moment increases, the bending increases, and the load on the side wall of the bathtub increases.

  The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a handrail for a bathtub that prevents an abutting surface that abuts against the outer surface of the side wall of the bathtub from going too far downward. Is to provide.

  The handrail for a bathtub according to the present invention has a cavity between an outer surface and an inner surface, and includes a side wall in which the outer surface and the inner surface are connected by a flange portion. A bathtub handrail attached to the side wall of a resin bathtub having an upper portion connected to a flange portion and an apron attached to a lower side of the upper portion, wherein the handrail is attached to the outer surface of the bathtub. A first abutting surface that abuts, a second abutting surface that abuts the inner surface, a connecting portion that connects the first abutting surface and the second abutting surface, and a handrail provided on the connecting portion And a position adjusting part provided on the connecting part, the position adjusting part adjusting the first contact surface and the second contact surface so that the first contact surface and the second contact surface come to a position for pressing and clamping the side wall. A first side piece that supports the first contact surface facing the outer surface; A second side piece that faces the inner side face and supports the second contact surface, and connects the first side piece and the second side piece located on the upper end face of the side wall. The first contact surface is a horizontally-long rectangular shape, the lower end thereof is located at a position that does not cover the apron, and the second contact surface has a posture with respect to the second side piece. It is characterized by being supported so as to be variable.

  The lower end of the second contact surface is located below the lower end of the first contact surface, and the vertical length of the second contact surface is greater than the vertical length of the first contact surface. Is also preferably long.

  Further, it is preferable that the first contact surface is supported such that the posture with respect to the first side piece is unchanged.

  Further, it is preferable that a reserve surface is provided below the first contact surface so as to be further away from the outer surface than the first contact surface.

  In addition, it is preferable that a support leg mounted on a floor surface is fixed to the first side piece of the connecting portion.

  Further, it is preferable that a lower end of the first contact surface is located above a position 4 cm below the connecting piece.

  In the present invention, an increase in the load on the side wall of the bathtub is suppressed due to the contact surface that contacts the outer surface of the side wall of the bathtub going too far downward.

It is the perspective view seen from the upper part of the front side of the handrail for bathtubs of a first embodiment. It is the perspective view seen from the front lower part of the handrail for bathtubs of a first embodiment. It is the perspective view seen from upper part of the back side of the handrail for bathtubs of a first embodiment. It is the perspective view seen from the lower part of the back side of the handrail for bathtubs of a first embodiment. It is a front view of the handrail for bathtubs of 1st embodiment. It is a side view of the handrail for bathtubs of 1st embodiment. It is a rear view of the handrail for bathtubs of 1st embodiment. It is a top view of the handrail for bathtubs of 1st embodiment. It is a bottom view of the handrail for bathtubs of 1st embodiment. It is the perspective view seen from the upper part of the back side of the pressing side movable part of a first embodiment. FIG. 4A is a perspective view of the pressing unit excluding the position adjusting unit of the first embodiment, and FIG. 5A is a perspective view of the rear side seen from above, and FIG. 5B is an exploded perspective view of the rear side seen from above. FIG. 3A is a perspective view of the receiving side movable unit (press receiving unit unit) according to the first embodiment, as viewed from above the rear side, and FIG. . FIG. 2A is a perspective view of the handrail portion of the first embodiment, as viewed from above on the back side, and FIG. 2B is an exploded perspective view as viewed from above on the back side. The support leg of the first embodiment is shown, (a) is a perspective view seen from above on the back side, and (b) is an exploded perspective view seen from above on the back side. FIG. 2A is a perspective view of the position adjusting unit according to the first embodiment, as viewed from above on the rear side, and FIG. 2B is an exploded perspective view as viewed from above on the rear side. It is a perspective view showing the state where the handrail for bathtub provided with the cover of a first embodiment was attached to the side wall of the bathtub.

  The bathtub handrail 1 of the present invention will be described based on a first embodiment shown in FIGS. The handrail 1 for a bathtub of the present invention is detachably attached to a side wall of the bathtub. The bathtub handrail 1 attached to the side wall is gripped by a user, such as a bather or an assistant, when the user crosses the side wall when entering or leaving the bathtub. It is needless to say that the user may grab other than straddling the side wall.

  As a side wall of the bathtub to which the handrail 1 for a bathtub is attached, a side wall facing a washing place in a bathroom is mainly assumed in design. In addition, the side wall of the bathtub to which the bathtub handrail 1 is attached is not particularly limited to the side wall facing the washing place, and may be any side wall having a space between the bathroom wall and the bathtub handrail 1. .

  As shown in FIGS. 1 to 9, the bathtub handrail 1 includes a pressing portion 2 abutting on a first side surface of a side wall and a pressing receiver abutting on a second side surface opposite to the first side surface of the side wall. And a connecting portion 4 connecting the pressing portion 2 and the pressing receiving portion 3 to each other. Here, in terms of design, the first side surface with which the pressing portion 2 abuts is assumed to be the side surface on the washing room side, and the second side surface with which the pressing receiving portion 3 abuts is assumed to be a side surface inside the bathtub. . In addition, the first side surface may be a side surface inside the bathtub, and is not limited to the side surface on the washing room side, and the second side surface may be a side surface on the washing room side, and is not limited to the side surface inside the bathtub. In the following description, as shown in FIG. 1 to FIG. 4, in a state where the bathtub handrail 1 is attached to the side wall of the bathtub, the side corresponding to the first side surface (the side corresponding to the washing place) is moved forward ( Arrow F), the side corresponding to the second side surface (the side corresponding to the inside of the bathtub) is the rear side (arrow B). The left and right sides refer to the left side (arrow L) and the right side (arrow R) when viewing the rear side from the front side.

  First, the overall configuration will be described. The shape of the pressing portion 2 is not particularly limited, such as a plate shape or a block shape. However, the pressing portion 2 has a large contact area with the first side surface of the side wall. Is preferred. In the first embodiment, as shown in FIGS. 3 and 4, the contact surface 21 with the first side surface of the side wall has a horizontally long rectangular shape, but may have another shape such as an elliptical shape. Not limited.

  Like the pressing portion 2, the pressing receiving portion 3 is not particularly limited in shape, such as a plate shape or a block shape, but can have a large contact area with the second side surface, and can be thin and small in size and light in weight. A plate-like shape is preferable, as far as possible. In the first embodiment, as shown in FIGS. 1 and 2, the contact surface 31 with the first side surface of the side wall has a rectangular shape, but may have another shape such as an elliptical shape, and is not particularly limited. .

  The pressing portion 2 and the pressing receiving portion 3 sandwich the front and rear sides of the side wall, that is, the first side surface and the second side surface. A connecting portion 4 connecting the pressing portion 2 and the pressing receiving portion 3 transmits a holding force for holding the side wall between the pressing portion 2 and the pressing receiving portion 3. The pressing portion 2 and the pressing receiving portion 3 will be further described later.

  As shown in FIGS. 3 and 4, the connecting portion 4 includes a first side piece 41 that faces the first side surface when the bathtub handrail 1 is attached to the side wall and supports the pressing portion 2. The pressing portion 2 may be supported so that the posture with respect to the first side piece 41, that is, the direction, may be variable, or may be fixed so that the posture with respect to the first side piece 41 does not change.

  As shown in FIGS. 3 and 4, the connecting portion 4 faces the second side surface when the bathtub handrail 1 is attached to the side wall, and connects the second side piece 42 that supports the pressure receiving portion 3. Prepare. The pressure receiving portion 3 may be supported so that the posture with respect to the second side piece 42, that is, the direction, may be variable, or may be fixed so that the posture with respect to the second side piece 42 does not change. .

  As shown in FIGS. 1 and 2, the connecting portion 4 is located on the upper end surface of the side wall when the bathtub handrail 1 is attached to the side wall, and the first side piece 41 and the second side piece 42. And a connecting piece 43 for connecting the two. When the bathtub handrail 1 is attached to the side wall, the connecting piece 43 may be placed on the upper end surface of the side wall, or may be located away from the upper end surface of the side wall upward.

  Further, the connecting portion 4 fixes the first side piece 41, the second side piece 42, and the connecting piece 43 so as not to relatively move when the bathtub handrail 1 is attached to the side wall. However, in this case, the first side piece 41, the second side piece 42, and the connecting piece 43 may move slightly due to elastic deformation. The connecting portion 4 may be formed as a separate member and may be fixed, or may be formed integrally.

  Further, the connecting portion 4 may be configured such that the first side piece 41 and the second side piece 42 are relatively movable. In this case, the connecting portion 4 is composed of two, three, or four or more members, and these members may relatively move, but are not particularly limited. In the first embodiment, as shown in FIGS. 1 to 3, the connecting piece 43 includes a first connecting piece 43 a connected to the first side piece 41 and a second connecting piece 43 a connected to the second side piece 42. And two connecting pieces 43b. In addition, the first connection piece 43a and the second connection piece 43b can be connected in different positional relations, but this is not particularly necessary. The connection portion 4 will be further described later.

  The bathtub handrail 1 includes a handrail portion 5 as shown in FIGS. 1 to 4 and FIG. The handrail section 5 may be provided with a grip section 51 that is gripped by a user with a hand, and the shape and the like are not particularly limited.

  In the first embodiment, as shown in FIG. 13, the grip portion 51 has an oval shape that is long in the front-rear direction in plan view, and a cylindrical portion 53 that protrudes downward is provided on each of the left and right straight portions. ing. In the first embodiment, the grip portion 51 is also integrally formed of the synthetic resin or the elastomer with the cylindrical portion 53, but may be formed of a material other than this. As shown in FIG. 13A, the tubular portion 53 is provided with a fitted portion 53a that protrudes downward inside. Then, the upper end of the cylindrical mounting leg 52 is fitted to the fitting portion 53a, and fitted into the cylindrical portion 53, so that the grip portion 51 and the mounting leg 52 are fixed. The lower end of the mounting leg 52 is covered with a cap 54, and the opening is closed. The attachment leg 52 is preferably formed of a metal such as stainless steel or aluminum from the viewpoint of securing strength and rigidity, but is not particularly limited. The mounting leg 52 is provided with a plurality of mounting holes 52a vertically penetrating therethrough.

  In the first embodiment, the handrail portion 5 is provided on the connecting portion 4 by fixing the mounting leg portion 52 to the first side piece 41, but the mounting leg portion 52 is connected to the second side piece 42 or the connecting piece. 43 may be fixed. Further, the handrail 1 for the bathtub does not need to include the mounting leg 52.

  The bathtub handrail 1 may include a support leg 6 as shown in FIGS. 1 to 4 and FIG. The support leg 6 only needs to include the ground contact portion 62 placed on the floor surface, and the shape and the like are not particularly limited.

  In the first embodiment, as shown in FIG. 14, the support leg 6 is provided on the connecting portion 4 by fixing the support pillar 61 having the grounding portion 62 at the lower end to the first side piece 41, The support pillar 61 may be fixed to the second side piece 42 or the connection piece 43. Note that the bathtub handrail 1 does not need to include the support legs 6, and the support legs 6 have an arbitrary configuration.

  The support column 61 is configured by connecting a front support column 61a and a rear support column 61b back and forth. In addition, a grounding portion 62 is provided at the lower end of the support column 61. The ground contact portion 62 can be placed on the floor of a washing room, the bottom of a bathtub, a raised member placed on the floor, the bottom, or the like, and the place where the ground is placed is not limited.

  The support column 61 is formed with a fixing tool insertion hole (not shown) penetrating back and forth. Then, the fixing tool 64 is inserted into the fixing tool insertion hole of the bracket 63 having the fixing tool insertion hole (not shown) penetrating back and forth, and the fixing tool insertion hole of the support column 61. The support pillar 61 is fixed to the connecting portion 4 by being fixed to the side piece 41.

  The material of the pressing portion 2, the pressing receiving portion 3, the connecting portion 4, the handrail portion 5, and the support leg 6 is not particularly limited, and various materials such as resin, metal, and wood can be used as appropriate. Alternatively, a composite of a plurality of types of materials may be used.

  The bathtub handrail 1 includes a position adjusting unit 7 as shown in FIGS. 1 to 4 and 15. The position adjusting section 7 is provided on the connecting section 4, and moves the position of the pressing section 2 with respect to the connecting section 4 in a direction approaching or separating from the pressing receiving section 3. Hereinafter, the position adjustment unit 7 of the first embodiment will be described with reference to FIG.

  A handle knob mounting portion 71 is provided at one end of the pressing portion mounting shaft 70 whose longitudinal direction is the longitudinal direction. The handle knob mounting portion 71 includes a square shaft portion 72 having a hexagonal cross section on the center side and a round shaft portion 73 having a circular cross section on the distal end side. A pressing portion mounting portion 74 is formed at the other end of the pressing portion mounting shaft 70. The pressing portion mounting shaft 70 has a male screw portion 70a formed on the surface.

  Inside the handle knob 75 formed in a cylindrical shape, a hole for head hiding, a round hole for idling formed with the smallest diameter, a washer receiving hole larger in diameter than the round hole for idling, and formed in an octagonal shape with a larger diameter. A receiving washer receiving hole is formed in order. A washer 76 is housed in the washer housing hole. A movable lock washer receiver 77 having an annular shape with an octagonal outer periphery and a circular inner periphery is fitted into and fixed to the washer receiving housing hole. A plurality of pin holes are formed in the movable lock washer receiver 77 in the circumferential direction so as to surround a circular hole on the inner periphery thereof.

  A plurality of lock projections 79 are provided on an outer peripheral portion of one surface of the annular torque lock washer 78 in a circumferential direction, and an engagement concave portion is formed between the adjacent lock projections 79. Each lock projection 79 includes an inclined portion that rises obliquely from the surface in the circumferential direction, and a parallel portion that is continuous with the upper end of the inclined portion and that is parallel to the surface of the torque lock washer. A plurality of pin holes are formed in the torque lock washer 78 in the circumferential direction. The torque lock washer 78 is arranged on one surface of the movable lock washer receiver 77 such that the surface on which the lock protrusion 79 is formed is on the outside. The torque lock washer 78 is attached to the movable lock washer receiver 77 in a state where the pin 80 is pressed into the pin hole of the torque lock washer 78 and the pin hole of the movable lock washer 77 so as to be prevented from rotating in the circumferential direction. Can be

  The fixed-side lock washer receiver 81 is formed in a cylindrical shape whose inner periphery is a hexagonal hole. On one surface of the fixed-side lock washer receiver 81, a lock washer storage recess is formed so as to surround the square hole on the inner periphery. A plurality of pin holes are formed in the lock washer receiving recess so as to surround the square hole. The torque lock washer 78 is disposed in the lock washer housing recess so that the surface on which the lock protrusion 79 is formed is on the outside. The torque lock washer 78 is attached to the fixed lock washer receiver 81 in a state where the pin 80 is press-fitted into the pin hole and the pin hole of the fixed lock washer receiver 81 so as to be prevented from rotating in the circumferential direction. Can be

  The fixed-side lock washer receiver 81 containing the torque lock washer 78 is inserted into the handle knob mounting portion 71, and the inner peripheral square hole is fitted into the square shaft portion 72, and is attached to the handle knob mounting portion 71. The fixed-side lock washer receiver 81 is arranged so that the surface that houses the torque lock washer 78 faces the distal end side of the handle knob mounting portion 71, and is fixed so as not to rotate by fitting the square hole and the square shaft portion 72. You.

  The handle knob 75 is fitted into the handle knob mounting portion 71 from the tip thereof, and is attached to the round shaft portion 73. The idling round hole of the handle knob 75 and the inner peripheral hole of the movable lock washer receiver 77 are rotatable by turning around the outer periphery of the round shaft portion 73. Then, the washer 82 is arranged in the hole for hiding the head, and the fixing screw 83 is screwed into a female screw hole (not shown) formed on one end surface of the pressing portion mounting shaft 70 to prevent the handle knob 75 from coming off. A cap 84 is fitted into the head hiding hole to hide the fixing screw 83.

  A torque lock washer 78 is provided on the movable lock washer receiver 77 mounted on the handle knob 75, and the handle knob 75 is mounted on the handle knob mounting portion 71. Thus, the torque lock washer 78 of the movable lock washer receiver 77 faces and meshes with the torque lock washer 78 stored in the fixed lock washer receiver 81. That is, the lock projection 79 of the torque lock washer 78 of the fixed-side lock washer receiver 81 and the engagement recess of the torque lock washer 78 of the movable-side lock washer receiver 77 are engaged with each other. By the engagement of the torque lock washers 78, the turning power when the handle knob 75 is turned is transmitted to the pressing portion mounting shaft 70, and the pressing portion mounting shaft 70 can be turned. If the turning force when the handle knob 75 is turned and operated is an excessive force, the inclined portions of the torque lock washer 78 of the fixed lock washer receiver 81 and the torque lock washer 78 of the movable lock washer receiver 77 slip against each other. As a result, the engagement between the lock projection 79 and the engagement recess is released. The parallel portion of the torque lock washer 78 of the movable lock washer 77 rides on the parallel portion of the torque lock washer 78 of the fixed lock washer receiver 81. Thereby, the torque lock washer 78 of the movable lock washer 77 idles with respect to the torque lock washer 78 of the fixed lock washer receiver 81. Along with this, the handle knob 75 also idles around the outer circumference of the idling round hole, so that the turning power for turning and operating the handle knob 75 is not transmitted to the bolt shaft. By providing the pair of torque lock washers 78 between the handle knob 75 and the pressing portion mounting shaft 70, a rotation transmission blocking mechanism is formed. That is, in the rotation transmission cut-off mechanism, the turning power is transmitted from the handle knob 75 to the pressing portion mounting shaft 70 at a predetermined force or less, and the turning power is transmitted from the handle knob 75 to the pressing portion mounting shaft 70 when the force exceeds the predetermined force. Not to be.

  Next, the pressing portion 2, the pressing receiving portion 3, and the connecting portion 4 of the first embodiment will be further described. As shown in FIGS. 3, 4, and 6, the pressing portion 2 is located on the lower side of the contact surface 21 and at a position farther from the first side surface than the contact surface 21 (front F). 22. In the first embodiment, the spare surface 22 is provided, but the spare surface 22 may not be provided.

  The connecting piece 43 includes a first connecting piece 43a and a second connecting piece 43b, which are formed of different members, and are configured so that their relative positions are variable. The bathtub handrail 1 includes a pressing-side movable portion 1a on the first connecting piece 43a side shown in FIG. 10 and a receiving-side movable portion 1b on the second connecting piece 43b side shown in FIG.

  As shown in FIG. 10, the pressing-side movable portion 1a includes a connecting portion 4 including a first side piece 41 and a first connecting piece 43a, a position adjusting portion 7, a handrail portion 5, and a support provided on the connecting portion 4. It includes a leg 6 and a pressing portion 2 provided on the connecting portion 4 via a position adjusting portion 7. The rest of the pressing-side movable portion 1a excluding the handrail portion 5 and the support leg 6 is referred to as a pressing portion unit 11. As shown in FIG. 11, the first side piece 41 of the pressing section unit 11 is provided with fixing tool insertion holes 41a vertically penetrating on both left and right sides. The mounting leg 52 of the handrail portion 5 is provided with a plurality of mounting holes 52a vertically as described above, and any one of the mounting holes 52a arbitrarily selected and the fixing tool insertion hole 41a communicate with each other. Then, a fixing tool (not shown) is inserted into the mounting hole 52a and screwed into the fixing tool insertion hole 41a. By being arbitrarily selected from the plurality of mounting holes 52a, the handrail portion 5 can be vertically adjusted. In the first embodiment, a plurality of mounting holes 52a are provided vertically, but a single mounting hole 52a may be provided and a plurality of fastener insertion holes 41a may be provided.

  Also, as shown in FIG. 11, the first side piece 41 is provided with a position adjusting portion mounting hole 41b. A female screw portion (not shown) is provided in the position adjusting portion mounting hole 41b. In this female screw portion, a screw may be formed directly on the inner surface of the position adjusting portion mounting hole 41b, or a separate female screw member (not shown) may be provided. The male screw part 70a of the pressing part mounting shaft 70 is screwed into the female screw part. Then, the handle knob 75 is rotated, and rotational power is transmitted to the pressing portion mounting shaft 70 with a predetermined force or less, and the pressing portion mounting shaft 70 moves back and forth with respect to the first side piece 41. The pressing portion 2 is mounted on the pressing portion mounting portion 74 formed on the end surface of the other end of the pressing portion mounting shaft 70. Therefore, when the pressing portion mounting shaft 70 moves forward and backward with respect to the first side piece 41, the pressing portion 2 moves forward and backward with respect to the first side piece 41.

  The pressing portion 2 is supported by the pressing portion mounting portion 74 such that the posture, that is, the direction is variable. In this case, for example, the pressing portion 2 has a ball portion, the pressing portion mounting portion 74 has a receiving portion for receiving the ball portion, and the ball portion is received by the receiving portion, and the pressing portion 2 and the pressing portion mounting portion are attached. The part 74 is connected. At this time, the pressing portion 2 is rotatable around the axis in an arbitrary three-dimensional direction with respect to the pressing portion mounting portion 74 (that is, the first side piece 41). Further, the pressing portion 2 may be supported on the pressing portion mounting portion 74 by a universal joint or the like so as to be rotatable around two axes. Further, the pressing portion 2 may be supported by the pressing portion attaching portion 74 such that the pressing portion 2 can be rotated only about one axis by a hinge or the like. The pressing portion 2 may be supported in such a manner that the posture thereof can be appropriately changed with respect to the pressing portion mounting portion 74 (that is, the first side piece 41) by various joints such as a universal joint and a hinge. Good.

  As described above, when the pressing portion 2 is formed so that the posture with respect to the first side piece 41 is variable, even if the first side surface of the bathtub is inclined, pressing is performed along the inclined first side surface. The part 2 can abut.

  In the first embodiment, as shown in FIG. 6, the lower end of the abutting surface 21 of the pressing portion 2 is located above the position 8 cm below the connecting piece 43 and further above the position 5 cm below the connecting piece 43. It is preferably located on the upper side.

  The contact surface 21 of the pressing portion 2 contacts near the upper end of the first side surface of the side wall of the bathtub. As shown in FIG. 16, the bathtub (BT in the figure) is not limited to a metal bathtub or a cement bathtub, and in recent years, the number of resin bathtubs formed integrally with a bathroom unit has increased. Most of the side wall (BW in the figure) of the resin bathtub has a cavity between the side wall portion having the first side surface and the side wall portion having the second side surface. , Are connected by a flange (BW1 in the figure) at the upper end of the bathtub. For this reason, as the contact portion between the pressing portion 2 and the pressing receiving portion 3 goes downward, the distance from the fulcrum (that is, the connected flange portion) of both side wall portions becomes longer, and the bending moment applied to the fulcrum increases. And the deflection increases. Therefore, as the contact portion between the pressing portion 2 and the pressing receiving portion 3 on the side wall of the bathtub goes upward, the bending moment applied to the fulcrum becomes smaller. Therefore, when the bathtub handrail 1 is attached to the side wall, one or both of the pressing portion 2 and the pressing receiving portion 3 abut on the connecting piece 43 located on the upper end surface of the side wall. The position is set as high as possible.

  In the first embodiment, as described above, the lower end of the contact surface 21 of the pressing portion 2 is located above the position D8 (preferably 5 cm) below the connecting piece 43 by 8 cm, but below 7 cm, 6 cm, and further below 4 cm. , 3 cm or 2 cm. The resin bathtub has a side wall portion having a first side surface provided at a position 3 to 4 cm below the upper end surface of the side wall of the bathtub, and a separate apron (BE in FIG. 16) is attached to the lower side. Often. In such a case, if the contact portion of the pressing portion 2 to the first side surface is located lower than 4 cm below the upper end surface of the side wall of the bathtub, the pressing portion 2 will be hit by the apron, and the bathtub handrail 1 May not be firmly attached to the side wall of the bathtub. Therefore, it is even more preferable that the lower end of the contact surface 21 of the pressing portion 2 be 4 cm, 3 cm, and 2 cm below the connecting piece 43.

  In the first embodiment, as shown in FIG. 6, the lower end of the contact surface 31 of the press receiving portion 3 is located lower than the lower end of the contact surface 21 of the press portion 2. The vertical length of the contact surface 31 of the pressure receiving portion 3 is longer than the vertical length of the contact surface 21 of the pressing portion 2. As shown in FIG. 9, the left and right length of the contact surface 21 of the pressing portion 2 is longer than the left and right length of the contact surface 31 of the press receiving portion 3.

  Note that the bathtub handrail 1 may include a cover 12, as shown in FIG. The cover 12 covers the upper side of the first connection piece 43a and has a substantially box shape that opens downward. The material of the cover 12 is not particularly limited, but is preferably formed of resin. Mounting is facilitated by being formed of a flexible resin. At the edge of the opening at the lower end of the cover 12, a retaining portion (not shown) protruding inward is formed, and the retaining portion enters under the first connecting piece 43 a to form the first connecting portion of the cover 12. The piece 43a is prevented from falling off.

  Further, as shown in FIG. 11, a first rib 44 is provided on the front surface of the first side piece 41 and the upper surface of the first connecting piece 43a. The first ribs 44 extend left and right on the upper surface of the first connecting piece 43a forward and backward, and extend vertically on the front surface of the first side piece 41. A groove 45 is formed between the left and right first ribs 44, and the second connecting piece 43b is inserted into the groove 45. Further, as shown in FIG. 11, the first connecting piece 43a (the bottom of the groove 45) is provided with a plurality of mounting holes 46a vertically penetrating therethrough.

  As shown in FIGS. 8 and 9, the first connecting piece 43a is provided with protrusions 47 (47a, 47b) that protrude to the left and right outside of the pressing portion 2 and the pressing receiving portion 3, respectively. . The protrusions 47a and 47b prevent the handrail 1 for the bathtub attached to the side wall of the bathtub from tilting in the left-right direction. Further, the projecting portion 47 is provided with a plurality of second ribs 48 extending in the left-right direction in the front-rear direction.

  As shown in FIG. 12, the receiving side movable portion 1b includes a connecting portion 4 including a second side piece 42 and a second connecting piece 43b, and a press receiving portion 3 provided on the connecting portion 4. Constitute a pressure receiving unit. On the front side of the second side piece 42, the pressure receiving portion 3 is supported so that the posture can be changed. In this case, as described above, it is supported so as to be rotatable about an axis in any three-dimensional direction, rotatable about two axes by a universal joint or the like, and rotatable only about one axis by a hinge or the like. You may. Accordingly, when the pressure receiving portion 3 is formed so that the posture with respect to the second side piece 42 is variable, even if the second side surface of the bathtub is inclined, pressing is performed along the inclined second side surface. The receiving part 3 can contact.

  As shown in FIG. 12, a handle 49 is provided on the rear side of the second side piece 42. The second connection piece 43b is provided with a mounting hole 46b penetrating vertically. As described above, the first connecting piece 43a is provided with a plurality of mounting holes 46a at the front and rear, and is fixed when any one of the mounting holes 46a arbitrarily selected communicates with the mounting hole 46b. A tool (not shown) is inserted through the mounting hole 46b and screwed into the mounting hole 46a. By being arbitrarily selected from the plurality of mounting holes 46a, the distance between the first connecting piece 43a and the second connecting piece 43b can be adjusted. In the first embodiment, a plurality of attachment holes 46a are provided, but a single attachment hole 46a and a plurality of attachment holes 46b may be provided.

  In the first embodiment, as shown in FIGS. 11 and 12, the non-slip member 8 is provided on the contact surface 21 of the pressing portion 2 and the contact surface 31 of the press receiving portion 3. That is, the non-slip member 8 forms the direct contact surfaces 21 and 31. The non-slip member 8 has a higher coefficient of friction with respect to the first side surface and the second side surface than when the non-slip member 8 is not provided, and is formed of an elastomer or the like, but the material is not particularly limited. The provision of the anti-slip member 8 allows the bathtub handrail 1 to be more firmly attached to the side wall of the bathtub.

DESCRIPTION OF SYMBOLS 1 Handrail for bathtub 1a Movable part on the pressing side 1b Movable part on the side 11 Pressing part unit 12 Cover 2 Pressing part 21 Contact surface 22 Spare surface 3 Press receiving part 31 Contact surface 4 Connecting part 41 Side piece 41a Fixing hole 41b Position adjusting part mounting hole 42 Side piece 43 Connecting piece 44 First rib 45 Groove 46a Mounting hole 46b Mounting hole 47 Projecting part 48 Second rib 49 Handle part 5 Handrail part 51 Holding part 52 Mounting leg 52a Mounting hole 53 Tube part 53a Fitted portion 54 Cap 6 Support leg 61 Support column 62 Grounding portion 63 Bracket 64 Fixing tool 7 Position adjusting portion 70 Pressing portion mounting shaft 70a Male screw portion 71 Handle knob mounting portion 72 Square shaft portion 73 Round shaft portion 74 Pressing portion mounting portion 75 Handle knob 76 Washer 77 Movable lock washer receiver 78 Torque lock washer 79 Lock projection 80 Pin 81 Fixed lock seat Metal receiver 82 Washer 83 Fixing screw 84 Cap 9 Non-slip member

Claims (6)

A cavity exists between an outer side surface and an inner side surface, the outer side surface includes a side wall connected to the inner side surface by a flange portion, and the outer side surface includes an upper portion connected to the flange portion, An apron attached to the lower side of the upper portion, and a bathtub handrail attached to the side wall of the resin bathtub having:
A first contact surface that contacts the outer surface of the bathtub;
A second contact surface that contacts the inner surface,
A connecting portion that connects the first contact surface and the second contact surface,
A handrail provided on the connecting portion;
A position adjusting portion provided on the connecting portion, and adjusting the first contact surface and the second contact surface to be at a position where the side wall is pressed or clamped by being approached or separated from the side wall,
The connecting portion is a first side piece that faces the outer side surface and supports the first contact surface, and a second side piece that faces the inner side surface and supports the second contact surface. A connecting piece that is located on the upper end surface of the side wall and connects the first side piece and the second side piece,
The first contact surface is a horizontally-long rectangular shape, and a lower end thereof is located at a position not to cover the apron,
The handrail for a bathtub, wherein the second contact surface is supported so that the posture with respect to the second side piece is variable.   The lower end of the second contact surface is located lower than the lower end of the first contact surface, and the vertical length of the second contact surface is longer than the vertical length of the first contact surface. The handrail for a bathtub according to claim 1, characterized in that:   The handrail for a bathtub according to claim 1, wherein the first contact surface is supported such that a posture with respect to the first side piece does not change.   The spare surface located below the first contact surface and located farther from the outer surface than the first contact surface is provided. The handrail for bathtub as described in.   The handrail for a bathtub according to any one of claims 1 to 4, wherein a support leg mounted on a floor surface is fixed to the first side piece of the connecting portion.   The handrail for a bathtub according to any one of claims 1 to 5, wherein a lower end of the first contact surface is located above a position 4 cm below the connecting piece.

Images