JP4722001B2 - Bathtub stand - Google Patents

Description

  The present invention relates to a bathtub stand that is placed on the floor of a bathroom, the bottom of a bathtub, or the like.

  2. Description of the Related Art Conventionally, in a bathtub stand used on a floor of a bathroom, a bottom in a bathtub, or the like, there has been provided one in which a suction cup is attached to a lower end of a leg portion so as not to move during use. Many of such bath tubs have legs formed from cylinders, and for bathtubs having legs formed from cylinders, water accumulates in the legs. Then, as shown in patent document 1, the bathtub stand which enabled discharge of the water stored in the leg part is provided. In addition, the bathtub stand of Patent Document 1 is designed to insert and fix a part of the suction cup to the leg portion, and cut out a portion to be inserted into the leg portion of the suction cup to form a gap with the leg portion. By doing so, it is a drain hole.

JP 2001-314339 A

However, the conventional bath tub has a problem that the drain hole is small and it takes a long time to drain the water. In addition, if the drain hole is enlarged, draining can be performed in a short time, but the size of the part inserted into the leg of the suction cup becomes smaller due to the larger notch part, and the suction cup mounting is unstable. Become.
The present invention has been made paying attention to such problems existing in the prior art. An object of the invention is to provide a bathtub stand that can quickly drain water from a leg portion and can stably attach a suction cup.

In order to solve the above-mentioned problems, the invention of the bathtub stand according to claim 1 is a bathtub stand comprising a base portion and leg portions attached to the four corners of the base portion, and the leg portion is a cylinder. A base is stretched at the lower end of the leg, a suction cup mounting tube is inserted downward from the center of the base, and a drain hole is formed around the center of the base. On the other hand, the suction cup is provided with a support cylinder on the upper side of the suction cup body, and a boss is further provided on the inner side of the support cylinder. The boss of the suction cup is fitted to the suction cup mounting cylinder of the leg. Attach the suction cup to the leg, and set the outer edge of the drain hole in the base of the leg to be located outside the outer periphery of the support cylinder with the boss fitted to the suction cup mounting cylinder Then, the gist is that the water discharged and discharged from the drain hole flows down the outside of the suction cup body.
According to the above configuration, by setting the outer edge of the drain hole of the support base to be located outside the outer periphery of the support cylinder of the suction cup, the water discharged and flowing from the drain hole is transmitted along the outer surface of the support cylinder. Then, it flows down the outside of the suction cup body and is quickly discharged out of the legs. The suction cup is stably attached to the leg portion by fitting the boss of the suction cup to the suction cup mounting cylinder of the leg portion. Further, the boss of the suction cup is erected on the inner side of the support cylinder. For example, when the drain hole is to be expanded, the outer edge of the drain hole is only positioned outside the outer periphery of the support cylinder. Therefore, it is not necessary to reduce the size of the boss, and a size capable of stably attaching the suction cup as the boss can be ensured.

Furthermore, in claim 2, in the invention of the bathtub stand according to claim 1, it is desirable that a drain hole is provided at the lower end of the support tube of the suction cup.
According to the above configuration, even when water has entered the inside of the support cylinder, the water can be discharged to the outside.

Further, in claim 3, in the invention of the bathtub stand according to claim 1 or 2, a wire is coupled to the end of the suction cup body, and the end of the suction cup body is connected to the end of the suction cup. It is desirable to break the vacuum in the suction cup body by turning up.
According to the said structure, the vacuum in a suction cup main body can be easily broken by pulling a wire.

  ADVANTAGE OF THE INVENTION According to this invention, while draining a leg part rapidly, a suction cup can be attached stably.

Hereinafter, the present invention will be described with reference to an embodiment shown in FIGS.
As shown in FIG. 1, the bathtub base 1 includes a base part 2 and leg parts 3 attached to the four corners of the base part 2. As shown in FIG. 2, the base portion 2 is formed in a planar rectangular shape, and includes a box-shaped lower portion 4 and a lid-shaped upper portion 5 attached on the box-shaped lower portion 4.
As shown in FIG. 3, the leg portion 3 includes an outer cylinder 12 and an inner cylinder 13 inserted into the outer cylinder 12 from below, and a suction cup 14 is attached to the lower end of the inner cylinder 13. The inner cylinder 13 is provided with four pairs of pin holes 15 (15A to 15D) arranged vertically. A single pin hole 16 is provided at the lower end of the outer cylinder 12. Further, a guide groove 17 is provided on the outer periphery of the inner cylinder 13 so as to extend vertically. In addition, the lower end portion of the outer cylinder 12 is provided with a thread groove 18 on its peripheral surface, and a plurality of slits 19 are provided from the lower end to form a chuck shape. The guide ridges 12 </ b> A are provided on the top and bottom.

The inner cylinder 13 is inserted into the outer cylinder 12 with the guide groove 17 of the inner cylinder 13 aligned with the guide protrusion 12A of the outer cylinder 12, and one of the pin holes 15 as an insertion hole is selected (see FIG. 3, the pin hole 15B), the pin hole 15B is aligned with the pin hole 16 of the outer cylinder 12, and the fixing pin 24 is inserted.
The fixing pin 24 includes a C-shaped holder 25 and a pin body 26 that is inserted from the inside of the holder 25. The fixing pin 24 is fixed to the outer cylinder 12 by inserting the pin body 26 into the pin holes 15B and 16 and fitting the holder 25 into the outer cylinder 12 through the notch 25A.

The leg 3 is configured to be stretchable by sliding the inner cylinder 13 with respect to the outer cylinder 12, and the fixing pin 24 is connected to the pin hole 16 of the outer cylinder 12 in any one of the pin holes 15 </ b> A. The height can be adjusted in four stages according to the user's convenience by inserting it into ~ 15D. In addition, the leg part 3 of this embodiment will be in the maximum expansion state when the pin hole 15A is selected, and will be in the minimum reduction state when the pin hole 15D is selected.
In addition, a tightening ring 27 is screwed into the thread groove 18 of the outer cylinder 12. The tightening ring 27 has a thread 28 formed at the lower end of the inner periphery thereof. By screwing the thread 28 into the thread groove 18 of the outer cylinder 12, the thread 27 is screwed into the thread groove 18 of the outer cylinder 12. It is worn. Then, the backlash between the inner cylinder 13 and the outer cylinder 12 is eliminated by tightening the tightening ring 27.

In the leg portion 3, one end of a chain 29, which is a wire rod, is coupled to the end portion of the suction cup 14 (see FIGS. 1 and 2). As shown in FIG. 4, a pin 30 is attached to the other end of the chain 29. In addition, a guide 29A is provided in the immediate vicinity of the leg 3 on the lower surface of the box-shaped lower portion 4 of the platform 2, and the chain 29 rises substantially vertically from the end of the suction cup 14 by the guide 29A. To be guided. Further, in the base portion 2, a plurality of engagement holes 31 for engaging the pins 30 are formed on the lower surface of the box-shaped lower portion 4 (four pairs of engagement holes 31A to 31D in FIG. Are provided).
On the other hand, an open handle 32 is provided in the center of the side edge portion on the long side as the pair of side edge portions facing each other (see FIGS. 2 and 4). The open handle 32 is attached to the long side edge of the box-shaped lower part 4 by a rotation shaft 32A protruding from the upper edge of both sides to the side, and the rotation shaft 32A is the center of the rotation handle 32A. It can be freely rotated. Further, a guide projection 32B for hooking the other end portion of the chain 29 is provided on the lower edge portion on both sides of the open handle 32.
In this embodiment, the wire rod is the chain 29. However, the wire is not limited to the chain 29, and a wire, a string, a wire, or the like may be used as the wire rod.

As shown in FIG. 5, the pin 30 has a disc-shaped enlarged diameter head 40 provided at the base end portion serving as an end portion, and extends from the center of one surface of the enlarged diameter head 40 so that the distal end portion is extended. And a shaft portion 41 to be configured. One or two or more vertical keys 41A (two in FIG. 5) protrude from the tip of the shaft portion 41. On the other surface of the enlarged diameter head 40, a knob 40A is formed so as to extend in the diameter direction. In addition, a guide portion 40B protrudes from the enlarged diameter head portion 40 over a quarter circumferential surface, and an arcuate guide groove 40C is formed through the guide portion 40B. In the guide groove 40C of one pin 30, a pair of chains 29 coupled to the suction cups 14 of the leg portions 3 adjacent on the long side of the base portion 2 are united and slidably connected. (See FIG. 4).
The engagement hole 31 is formed through the box-shaped lower part 4 and has vertical key grooves 42 provided on both sides of the engagement hole 31 so as to correspond to the vertical key 41A of the pin 30. Yes. Further, at the end of the engagement hole 31 on the upper surface side of the box-shaped lower part 4, a step 43 is formed at the peripheral edge of the engagement hole 31, and the step 43 has the vertical key of the pin 30. 41A is locked.

When fixing the pin 30 to the engagement hole 31, the vertical key 41A of the pin 30 and the vertical key groove 42 of the engagement hole 31 are in a corresponding positional relationship, The shaft portion 41 of the pin 30 is inserted into the engagement hole 31. Next, after the pin 30 is engaged with the engagement hole 31, the knob 40A of the pin 30 is picked and the pin 30 is rotated. Then, the vertical key 41A of the pin 30 is locked to the step 43 while being guided by the step 43 of the engagement hole 31, and the pin is locked by the vertical key 41A to the step 43. 30 is fixed to the engagement hole 31.
The bathtub base 1 uses the suction cups 14 attached to the legs 3, and uses the bathtub base 1 by fixing it to the bottom of the bathtub, the floor of the bathroom, and the like. At the time of use, the bathtub base 1 adjusts the height of the leg portion 3 appropriately according to the user's physique and usability. At the time of this height adjustment, the chain 29 coupled to the suction cup 14 becomes too loose or too tight, so that the pin 30 is moved into the engagement hole corresponding to the degree of expansion / contraction of the leg 3. Change to any of 31 and engage and adjust accordingly.

  When releasing the fixing by the suction cup 14 for moving the bathtub base 1 or the like, the user holds the open handle 32 and pulls the arm upward as it is. Then, the open handle 32 rotates so as to open toward the outside of the base portion 2 around the rotation shaft 32A (see FIG. 2). At this time, the other end portion of the chain 29 is guided by the guide 29 as shown in FIG. 4, and further guided by the guide protrusion 32 </ b> B protruding from the lower edge portion of the open handle 32. And connected to the guide groove of one pin 30. On the other hand, the pin 30 is fixed to the lower surface of the pedestal 2 by being locked in the appropriate locking hole 31 (locking hole 31B in FIG. 4) corresponding to the degree of expansion / contraction of the leg 3 as described above. Has been. For this reason, the chain 29 is in a state where the other end connected to the pin 30 fixed to the pedestal 2 is fixed while the one end is coupled to the suction cup 14 while maintaining an appropriate tension. Is connected to the lower edge of the open handle 32 via the guide protrusion 32B. Therefore, when the open handle 32 is rotated, the other end portion of the chain 29 is pulled toward the outside of the base portion 2 by the guide protrusion 32B, so that the chain 29 is guided by the guide 29 and is end of the suction cup 14. The part is pulled upward in a substantially vertical direction, and the end of the suction cup 14 is turned up. As a result, the vacuum inside the suction cup 14 is broken and the fixation by the suction cup 14 is released.

In the present embodiment, the positions of the engagement holes 31A to 31D of the pedestal 2 are such that the chain 29 is pulled up by the open handle 32 at the degree of expansion and contraction corresponding to each of the pin holes 15A to 15D of the leg 3. It is set to a position where it will be stretched.
Further, since the vacuum of the suction cup 14 is broken by the rotation of the open handle 32, the bathtub base 1 is placed on the open handle 32 by putting the finger on the open handle 32 without putting force on the fingertip, such as grasping the finger. The end of the suction cup 14 can be turned up by a natural operation of lifting, and a large force is not required to release the fixing of the bathtub base 1.

As shown in FIG. 6A, in the leg portion 3, the inner cylinder 13 is formed in a cylindrical shape, and a support plate 51 is stretched at the lower end portion thereof. A suction cup mounting cylinder 52 is provided below the center of the support plate 51. Four drain holes 53 are provided around the center of the support 51. A cover tube 54 is provided below the peripheral edge of the support plate 51. Further, a pair of locking claws 52 </ b> A are provided laterally on the outer peripheral surface of the lower end of the suction cup mounting cylinder 52. In addition, a guide groove 52 </ b> B is notched in the lower peripheral wall of the suction cup mounting cylinder 52.
On the other hand, as shown in FIG. 6 (b), in the leg 3, the suction cup 14 has a support cylinder 61 standing on the upper side of the suction cup body 14A and a boss 62 standing on the inner side of the support cylinder. Has been. Inside the support cylinder 61, a guide wall 63 is erected between the support cylinder 61 and the boss 62 so as to be in a position corresponding to the guide groove 52 </ b> B of the inner cylinder 13. Further, a drain hole 64 is formed at the lower end of the support cylinder 61 so as to penetrate the peripheral wall of the support cylinder 61. In addition, a drain hole 65 is formed at the lower end of the boss 62 so as to penetrate the peripheral wall of the boss 62. These drain holes 64 and 65 allow the inside and outside of the support cylinder 61 and the boss 62 to communicate with each other. Further, the suction force of the suction cup 14 is improved by providing a plurality of small suction cups 14B inside the suction cup body 14A.

As shown in FIG. 7, the suction cup 14 is attached to the leg portion 3 by fitting the boss 62 to the suction cup mounting cylinder 52 of the inner cylinder 13. In a state where the boss 62 is fitted to the suction cup mounting cylinder 52, the outer edge of the drain hole 53 of the support 51 of the inner cylinder 13 is set to be located outside the outer periphery of the support cylinder 61. Yes. For this reason, the water discharged and flowing down from the drain hole 53 in an attempt to be stored on the support 51 of the inner cylinder 13 is transmitted along the outer surface of the support cylinder 61 as indicated by the outer arrow in FIG. , It flows down the outside of the suction cup body 14A and is discharged to the outside. Further, the water to be stored in the suction cup mounting cylinder 52 passes through the drain holes 64 and 65 from the inside of the boss 62 as shown by the center and lateral arrows in FIG. 7, and the outside of the suction cup body 14A. Is discharged to the outside. Therefore, the water to be stored in the leg 3 is quickly discharged to the outside from the drain holes 53, 64, 65.
On the other hand, with the boss 62 fitted to the suction cup mounting cylinder 52, the upper end of the support cylinder 61 is in contact with the lower surface of the support 51, and the weight applied to the bathtub base 1 from above is added to the support cylinder 61. The suction cup 14 is preferably supported via the gap. Further, a pair of locking claws 52 </ b> A provided on the suction cup mounting cylinder 52 is locked by entering the drain hole 64 of the support cylinder 61, and suppresses the attachment / detachment of the suction cup 14 from the leg 3. is doing. In addition, with the boss 62 fitted to the suction cup mounting cylinder 52, the guide wall 63 of the suction cup 14 is engaged with the guide groove 52B of the inner cylinder 13 to prevent the suction cup 14 from rotating. is doing.

  In addition, except the said Example, you may attach the open handle 32 to the short side edge of the base part 2. FIG. Further, the pin 30 and the like may be omitted, and the other end of the chain 29 may be connected to the lower edge of the open handle 32. Further, if the outer edge of the drain hole 53 of the support 51 is set to be located outside the outer periphery of the support cylinder 61, the shape of the support cylinder 61, the shape of the drain hole 53, and the boss 62 The shape may be other than the above embodiment. Moreover, the bathtub base 1 of the present invention uses, for example, a synthetic resin as a material, and the upper surfaces of the suction cup 14 and the lid mold upper portion 5 as a material of rubber or elastomer.

The perspective view which shows a bathtub stand. The conceptual diagram which shows a bathtub stand. The disassembled perspective view which shows a leg part. The top view which shows the state which looked at the base part from the lower surface. (A) is the top view and sectional drawing which show the state which engages a pin with an engagement hole, (b) is the top view and sectional drawing which shows the state which latched the pin to the engagement hole. (A) is sectional drawing which shows the state which looked at the lower end part of the leg part from the upper direction, the side, and the lower part in order from the top, (b) is sectional drawing which shows the state which looked at the suction cup from upper direction and a side, and a suction cup Side view. Sectional drawing which shows the state seen from the upper direction, the downward direction, and the side in order from the top in the state which attached the suction cup to the lower end of a leg part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bathtub stand 2 Base part 3 Leg part 4 Box type lower part 5 Lid type upper part 12 Outer cylinder 13 Inner cylinder 14 Suction cup 15 Engagement part 29 Chain 29A guide 30 Pin 31 Engagement hole 32 Open handle 32B Guide protrusion 40 Expansion Diameter head 40B Guide portion 40C Guide groove 41A Longitudinal key 42 Longitudinal keyway 51 Substrate 52 Suction cup mounting tube 53 Drain hole 61 Support tube 62 Boss 64 Drain hole

Claims (3)

A bath basin comprising a base and legs attached to the four corners of the base,
The leg is formed in a cylindrical shape, and a supporting plate is stretched at the lower end of the leg,
The suction cup mounting cylinder is pushed downward from the center of the base, and a water drain hole is provided around the center of the base.
On the other hand, in the suction cup, a support cylinder is erected on the upper side of the suction cup body, and a boss is erected on the inner side of the support cylinder.
The suction cup boss is fitted into the suction cup mounting cylinder of the leg to attach the suction cup to the leg, and the drain hole of the leg base is fitted with the boss fitted to the suction cup mounting cylinder. Is set so that the outer edge of is positioned outside the outer periphery of the support tube,
A bathtub stand characterized in that water discharged from the drain hole flows down the outside of the suction cup body. The bathtub stand according to claim 1, wherein a drain hole is provided at a lower end of the support cylinder of the suction cup. 3. A wire rod is coupled to an end portion of the suction cup body, and the vacuum in the suction cup body is broken by turning up the end portion of the suction cup body via the wire rod. The described bath tub.

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