JP2015190209A - Shower head support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shower head support device that enables a bearing member to be more reliably fixed to a storage support part by preventing an engaging protrusion, provided on the bearing member, from easily coming off from an engaging through-hole provided in the storage support part.SOLUTION: In an engaging through-hole 16, an inner peripheral surface of a storage support part 11 is provided with a protruding piece 20 to be latched, the tip of which assumes a protrusive longitudinal-section shape. An engaging protrusion 38 comprises a latching surface 54 which is provided in such a manner as to be capable of abutting on the protruding piece 20 to be latched, and the angle of which is set to be less than 90° with respect to a tip direction of a bearing member 30, in a position to get over the protruding piece 20 to be latched.

Description

  The present invention relates to a showerhead support device.

  In recent years, a wash basin or a sink equipped with a shower head connected to a main body of a faucet such as hot water using a flexible tube such as a hose has been widely used. And in this kind of washstand etc., the support apparatus which accommodates and supports the rear-end part of a shower head detachably in the state by which this flexible tube was penetrated is used in many cases. Such a support device includes a housing support portion that protrudes in a cylindrical shape and a hollow support member that is mounted and fixed to the housing support portion, and the rear end portion of the shower head is housed and supported in the support member. It is common. At that time, the rear end portion of the shower head and the support member are connected by a method such as meshing using serrations, engagement of the slide protrusion and the slide groove, and as a result, the entire shower head is supported by the support member, In many cases, the accommodation support part is supported in a non-rotatable state.

  On the other hand, in order to fix the support member to such a housing support portion, in addition to means for screwing and screwing, an engagement protrusion protruding from the support member is engaged with the engagement through hole of the storage support portion. What is done in combination is known. A support device using such an engaging means has advantages of reducing the number of parts and reducing stress cracking around screw holes and screw holes compared to screwing and screwing (see Patent Document 1).

Japanese Patent No. 3131690 (FIG. 3)

  However, in the above-described conventional showerhead support device, when a force that strongly pulls out the support member from the housing support portion is applied, the engagement protrusions made of synthetic resin bend, and as a result, There is a possibility that sufficient engagement cannot be achieved, for example, the engagement protrusion comes off from the through hole and the support member falls off from the housing support part.

  The present invention is intended to solve the above-mentioned problems of the prior art, and a shower that more securely fixes a support member to an accommodation support portion so that an engagement protrusion is not easily detached from an engagement through hole. It is an object of the present invention to provide a head support device.

  In order to solve the above problems, means taken by the present invention will be described below. According to a first aspect of the present invention, there is provided a showerhead support device including a support device body having a storage support portion protruding in a cylindrical shape, and a hollow support member mounted inside the storage support portion, The accommodation support part is provided with an engagement through hole, the support member is provided with an engagement projection, and the engagement projection is engaged with the engagement through hole, whereby the support member is fixed to the accommodation support part, A shower head support device that detachably accommodates a proximal end portion of a shower head connected to a flexible tube in a state in which the flexible tube is inserted through the support member, wherein the engaging through hole is an inner portion. The peripheral surface is provided with a hooked projecting piece having a longitudinal cross-sectional shape at the tip thereof, and the engaging protrusion is provided on a beam-like portion projecting from a support member, and can be brought into contact with the covered projecting piece. There is a position where the tip of the support part It is characterized in that it comprises a latching surface that is less than 90 ° to the distal direction.

  In the showerhead support device of the present invention, the hooking surface of the engaging protrusion of the support member is engaged with the hooked protrusion in the engaging through hole of the storage support portion, and the support member is in contact with the storage support portion. Fixed. In this state, when a force that pulls out the support member from the housing support portion is applied, the beam-like portion protruding from the support member tends to bend so that the hooking surface of the engagement protrusion becomes large. The angle of the hooking surface is determined in advance so that the angle is less than 90 ° even at the position where the tip of the hooking surface gets over the hooked protrusion. Therefore, even if the engaging protrusion is bent as described above, the force applied to the hooking surface via the hooked protrusion piece to be engaged acts in the direction in which the angle of the hooking surface decreases. Therefore, the angle of the above-described hanging surface does not increase to 90 ° or more. Therefore, the engagement state between the hooked protrusion piece and the hooking surface is not released until the engagement protrusion is broken.

  The showerhead support device according to the second means of the present invention is characterized in that the hooked protrusion of the engagement through hole is provided with an inclined surface in surface contact with the hooking surface of the engagement protrusion. Is.

  By providing the hooked protrusion of the engagement through hole with an inclined surface in surface contact with the hooking surface of the engaging protrusion, the hooked protrusion and the hooking surface can be stably engaged. Therefore, the hooked projecting piece and the hooking surface are stably engaged with each other, including a state where no force is applied to pull out the support member from the housing support part. Therefore, even when vibration or the like is applied to the support device, it is possible to reduce the possibility that the hooked projecting piece and the hooking surface vibrate or cause contact noise.

  The showerhead support device according to the third means of the present invention is characterized in that the shape of the hooking surface of the engagement protrusion and the shape of the hooking protrusion of the engagement through hole in a bottom view are rectangular. It is.

  By making the shape of the bottom surface of the hanging surface and the hooked projection piece a quadrilateral shape, it is possible to widen the portion where both portions are engaged compared to the case where the shape of the bottom surface view is a protrusion such as a triangle. it can. Therefore, the engagement protrusion and the engagement through hole can be more stably engaged.

  According to a fourth aspect of the present invention, there is provided a showerhead support device, wherein the beam-shaped portion is provided so as to be inclined outwardly in the radial direction with respect to the shaft center of the support member, and the engagement projection is engaged through. It is characterized by being elastically biased in the insertion direction into the hole.

  By projecting the beam-like portion provided with the engagement protrusion in advance in this manner, the engagement protrusion is attached in the insertion direction to the engagement through-hole when engaged with the engagement through-hole. It can be kept in force. Therefore, the engagement protrusion can be further prevented from coming off from the engagement through hole.

  The showerhead support device according to the fifth means of the present invention is characterized in that the engaging through hole is provided with a drainage gap through which water can flow with the engaging projection engaged. It is what.

  When the shower head is inserted and removed, hot water adheres to the flexible tube inserted through the support member, and this hot water enters the support device. Therefore, this hot water is placed outside the support device main body. It is necessary to provide a drain hole for discharging. As in the present invention, the engagement through hole is provided with a gap for drainage through which water can flow in a state in which the engagement protrusion is engaged. The necessity to provide can be eliminated.

  Since the shower head support device of the present invention is configured as described above, the support member can be more securely fixed to the housing support portion so that the engagement protrusion is not easily detached from the engagement through hole. Can do.

FIG. 1 is a partially cutaway side view of a shower apparatus using the shower head support apparatus of the present invention. FIG. 2 is an exploded perspective view of the shower device of FIG. FIG. 3 is a fragmentary cross-sectional view of a main portion of the distal end portion of the shower device of FIG. 1. FIG. 4 is an exploded perspective view of the support member and the housing support portion. FIG. 5 is an enlarged longitudinal sectional view of the support member and the housing support part. FIG. 6 is an enlarged bottom view of the support member and the housing support portion. FIG. 7 is an enlarged vertical cross-sectional view of the support member and the housing support portion. FIG. 8 is an enlarged longitudinal sectional view of the support member and the housing support part. FIG. 9 is an enlarged vertical cross-sectional view of the support member and the housing support portion. FIG. 10 is an enlarged vertical cross-sectional view of a main part of the support member and the housing support part. FIG. 11 is an enlarged vertical cross-sectional view of a main part of the support member and the housing support part according to the second embodiment. FIG. 12 is an enlarged vertical cross-sectional view of a main part of the support member and the accommodation support part of the third embodiment. FIG. 13 is an enlarged vertical cross-sectional view of a main part of the support member and the housing support part of the fourth embodiment. FIG. 14 is an enlarged vertical cross-sectional view of a main part of a support member and a housing support part according to a fifth embodiment which is a reference example. FIG. 15 is an enlarged vertical cross-sectional view of a main part of a support member and an accommodation support part according to a sixth embodiment which is a reference example. FIG. 16 is an enlarged vertical cross-sectional view of a main part of a support member and a housing support part according to a seventh embodiment which is a reference example.

  Next, embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 and 2, the support device X for the shower head H of the present invention is integrated with a hot and cold water mixing faucet L erected on the upper surface of a wash basin (not shown) of the wash basin. Yes. Further, the support device X uses a predetermined hose S having flexibility to connect the rear end K of the shower head H connected to the mixing member (not shown) of the hot and cold water mixing tap L to the hose S. In such a state that it is inserted, it can be freely inserted and removed.

  As shown in FIGS. 3 and 4, the support device X includes a device main body 10 and a support member 30. Among these, the apparatus main body 10 is provided with the accommodation support part 11 which protrudes diagonally upward of the washbasin. As shown in FIG. 4, the housing support portion 11 is formed in a cylindrical shape having a cross-sectional shape including a downward arc portion 12 and a flat portion 13 provided above the arc portion 12. In the lower wall portion on the protruding end side of the housing support portion 11, an oval water drain hole 14 whose longitudinal direction is directed along the circumference is provided. In addition, a rectangular engagement through hole 16 that is long along the axial direction is provided in the lower wall portion of the accommodation support portion 11 on the rear end side of the drain hole 14.

  The support member 30 is a hollow product made by integrally molding an elastic material such as resin. As shown in FIGS. 2 to 4, the support member 30 is formed in a slightly long cylindrical shape, and its tip is slightly bent downward. The base portion 32 formed in the cylindrical shape of the support member 30 is provided with a notch 34 that is formed along the axial direction of the base portion 32 and is open to the rear end side. A beam-like portion 36 projects from the back end of the notch 34 toward the rear end side of the base portion 32. The beam-like portion 36 is provided with an engaging protrusion 38 that is engaged with the engaging through hole 16 of the housing support portion 11 as will be described later. The engagement protrusion 38 protrudes downward from the rear end of the beam-like portion 36.

  Further, a drain opening 40 is provided in the vicinity of the center of the base portion 32 at substantially the same position as the beam-like portion 36 around the axis of the base portion 32. The opening 40 is opened in a substantially square shape when viewed from below the support member 30. Further, in the axial direction of the support member 30, a flange 42 having an O-ring groove 43 is formed on the rear end side of the opening 40, and an O-ring 41 is attached to the O-ring groove 43. Yes. In addition, a flange 44 is formed on the distal end side of the opening 40 in the axial direction of the support member 30, and a fitting flange 45 is formed on the distal end side, and an O-ring 41 is mounted therebetween. An O-ring groove 43 is provided. As described above, the two O-rings 41 are configured so that watertightness between the inner peripheral surface of the housing support portion 11 and the outer peripheral surface of the base portion 32 is achieved before and after the opening 40. Further, the outer shape of the fitting flange 45 is a non-circular shape that is substantially the same shape as the inside of the opening 15 at the protruding end of the housing support portion 11, and when the support member 30 is attached to the housing support portion 11. The positioning of the support member 30 around the axis of the housing support 11 can be performed appropriately and easily.

  As shown in FIG. 3, a draining flange 46 is formed on the inner peripheral surface of the support member 30 at the rear end side flange 43 of the opening 40 so as to be circumferentially provided radially inward. Has been. The inner diameter of the draining flange 46 is formed to be slightly larger than the hose S to be inserted, and the flow of hot water adhering to the hose S is stopped, whereby the drainage holes of the opening 40 and the accommodation support part 11 are stopped. 14, the hot and cold water can be discharged to the outside of the housing support 11.

  As shown in FIGS. 3 and 4, a serration M that meshes with a serration R provided in the rear end K of the shower head H is provided at the tip of the support member 30. As shown in FIG. 3, the shower head H is engaged with the support member 30, that is, with respect to the support device X by engaging the serration R of the rear end K with the serration M of the support member 30. And is configured to be supported so as not to rotate.

  Next, details of the engagement through-hole 16, the beam-like portion 36, and the engagement protrusion 38 will be described. As shown in FIG. 5, on the inner peripheral surface of the engagement through-hole 16, a portion near the tip of the accommodation support portion 11 is provided with a hooked protrusion 20 having a protruding longitudinal section at the tip. ing. The hanging protrusion 20 includes an extended surface 22 extending from the inner peripheral surface of the storage support 11 toward the engagement through hole 16 along the axis of the storage support 11, and the extended surface. The inclined surface 24 is formed from an end of 22 at an angle of 55 ° with respect to the extended surface 22. Further, as shown in FIG. 6, the covering protrusion 20 is formed in a quadrangular shape in a bottom view, and in particular in the present example, is formed in a rectangular shape that is long in the width direction of the housing support portion 11.

  As described above, the engaging protrusion 38 protrudes downward from the rear end of the beam-like portion 36. As shown in FIG. 5, the engagement protrusion 38 extends from the beam-shaped portion 36 downward and extends from the extended portion 50 toward the distal end of the support member 30. And a hanging portion 52 provided. The hanging portion 52 is formed in a rectangular shape in a bottom view, and in a parallelogram shape whose tip is an acute angle toward the tip of the beam-like portion 36 in a side view. A hooking surface 54 is provided on the inner side of the hooking portion 52 to be engaged with the hooked protrusion 20 of the engagement through hole 16 described above. The hooking surface 54 is formed as a 55 ° inclined surface with respect to the axial center front end side of the support member 30, and the hooking surface 54 is in a state where the engaging protrusion 38 is engaged with the engaging through hole 16. And the inclined surface 24 are in surface contact with each other. Further, as shown in FIGS. 4 and 6, the hooking surface 54 of the engaging protrusion 38 is formed in a quadrangular shape in the bottom view, and in this example, in particular, it is formed in a rectangular shape that is long in the radial direction of the support member 30. ing.

  Next, a method for mounting the support member 30 on the accommodation support portion 11 will be described. First, as shown in FIGS. 4 and 7, the rear end of the support member 30 is disposed in front of the protruding end of the housing support portion 11. At this time, the engagement protrusion 38 provided on the support member 30 is positioned on the lower side. Next, as shown in FIG. 8, the support member 30 is inserted into the housing support portion 11 while the beam-like portion 36 is bent inward in the radial direction of the support member 30. As shown in FIG. 9, when the engaging protrusion 38 reaches the engaging through hole 16, the beam-like portion 36 starts to be restored. Then, as shown in FIG. 5, the engaging protrusion 38 is inserted into the engaging through hole 16 and engaged therewith, and this mounting is completed. In this mounted state, the axes of the accommodation support portion 11 and the support member 30 are configured to coincide, that is, to be parallel.

  Next, the operation of the support device X will be described. As shown in FIG. 5, in a normal state where the engaging protrusion 38 of the support member 30 is engaged with the engaging through hole 16 of the housing support portion 11, the hooking surface 54 and the hooking protrusion piece of the engaging protrusion 38 are provided. Twenty inclined surfaces 24 are in surface contact with each other, and there is no gap between the two members, so that it is possible to reduce the possibility of vibration or contact noise.

  On the other hand, when a force that pulls out the support member 30 from the accommodating support portion 11 is applied, the beam-like portion 36 bends as shown in FIG. 10, and the tip thereof is deformed so as to approach the axis of the support member 30. try to. At this time, the hooking surface 54 that is angled as described above is deformed so that the tip of the hooking surface 54 gets over the tip of the hooking projection piece 20, that is, the engaging protrusion 38 is detached from the engaging through hole 16. Even in this state, it does not become 90 degrees or more from the axial center tip direction of the housing support part 11 and the support member 30. Therefore, when a force that pulls out the support member 30 is applied, even if the beam-like portion 36 bends, the force applied to the hanging surface 54 via the hooked protrusion 20 to be engaged is Therefore, the above-mentioned angle of the hanging surface does not become larger than 90 °. Therefore, the engaged state between the hooked protrusion 20 and the hooking surface 54 is not released until the beam-like portion 36 is broken. In this way, it is possible to more reliably prevent the support member 30 from coming off from the housing support portion 11.

  The embodiment of the present invention is configured as described above, but the present invention is not limited to this embodiment, and various modifications are possible within the scope of the gist of the present invention. In the following examples, the same reference numerals as those of the first embodiment are attached to the drawings for the configurations common to those of the first embodiment, and the description thereof is omitted. The support device Xa according to the second embodiment shown in FIG. 11 is different from the first embodiment in the shape of the hooked projection piece 20a of the housing support portion 11. The hanging protrusion 20a of the support device Xa has a sharper vertical cross-sectional shape than the hanging protrusion 20 of the first embodiment described above. For this reason, a gap of a predetermined angle is generated between the base end of the inclined surface 24a below the hooked protrusion 20a and the tip of the hooking surface 54 of the engaging projection 38, and the inclined surface 24a and the hooking surface 54 are formed. Is not in surface contact. However, as in the first embodiment described above, even if the beam-like portion 36 is bent so that the tip of the hooking surface 54 gets over the tip of the hooking protrusion 20a, it is engaged with the hooking protrusion 20a. The force applied to the hooking surface 54 via the hooked projecting piece 20a to be engaged according to the angle of the hooking surface 54 is the same as the action of the force of the hooking surface 54 in the direction of decreasing the angle. The angle of the hanging surface should not be greater than 90 °. Therefore, until the beam-like portion 36 or the like is broken, the engaged state between the hooked protrusion 20a and the hooking surface 54 is not released.

  The support device Xb according to the third embodiment shown in FIG. 12 has a beam-like portion 36 b that is inclined and protrudes radially outward with respect to the axial center direction of the support member 30. Thus, by projecting the beam-like portion 36 by inclining in advance, in the state where the engaging protrusion 38 is engaged with the engaging through hole 16, the engaging protrusion 38 is different from the engaging through hole 16. It can be provided so as to be elastically biased in the insertion direction, and the falling off of the support member 30 from the housing support portion 11 can be further reliably prevented.

  The support device Xc of the fourth embodiment shown in FIG. 13 is provided with an inclined surface 24c at the upper part of the hooked protrusion piece 20c and an extended surface 22c parallel to the axis of the housing support part 11 at the lower part. ing. On the other hand, a sloping portion 60 having the same angle as that of the sloping surface 24c extends downward from the tip of the beam-like portion 36, and the hooking surface is in surface contact with the extending surface 22c so as to be folded back from the tip of the sloping portion 60 A hanging portion 52c provided with 54c is provided. Further, in the present embodiment, the drainage gap 70 is provided on the rear end side of the accommodation support portion 11 in a state where the engagement projection 38c is engaged with the engagement through hole 16c. By providing such a gap 70, it is not necessary to provide the drain holes 14 as in the above-described embodiment, so that the manufacturing cost can be reduced and the aesthetics of the support device Xc can be improved by reducing the number of holes. can do.

  Further, as a fifth embodiment which is a reference example different from these embodiments, for example, as in the support device Xd shown in FIG. 14, the hooking surface 54d of the engaging protrusion 38 and the engaging surface with which it engages. Fine irregularities 82 can be formed on the inner peripheral surface 80 of the through-hole 16d, respectively, so that the engaging projections 38 cannot be easily removed from the engaging through-hole 16d. Similarly, as sixth and seventh embodiments which are reference examples, as in the support device Xe shown in FIG. 15, a projection 84 having a triangular longitudinal section is provided on the surface of the engagement projection 38, On the other hand, by forming a recess 86 having a triangular cross section that can be fitted to the inner peripheral surface of the engagement through-hole 16, the hooking surface 54 of the engagement protrusion 38 is not easily removed from the engagement through-hole 16. Can be configured. Further, as in the support device Xf shown in FIG. 16, a projection 85 having a rectangular vertical cross section is provided on the surface of the engagement projection 38 and can be fitted to the inner peripheral surface of the engagement through-hole 16. By forming the concave portion 87 having a rectangular longitudinal section, the hooking surface 54 of the engaging protrusion 38 can be configured not to easily come off from the engaging through hole 16. 15 and 16, the projection 84 or the projection 85 can be provided on the engagement through hole 16 side, and the recess 86 or the recess 87 can be provided on the engagement projection 38 side. is there.

  The present invention can be widely used for various shower support devices including a support member and an accommodation support portion.

H; shower head, K; rear end, L: hot and cold water mixing tap, M, R; serration, S; hose, X, Xa to Xe; support device, 10; device body, 11; Arc part, 13; plane part, 14; drainage hole, 15; opening part, 16, 16c, 16d; through hole for engagement, 20, 20a, 20c; hanging protrusion, 22, 22c; , 24a, 24c; inclined surface, 30; bearing member, 32; base portion, 34; notch, 36, 36b; beam-like portion, 38, 38c; engaging protrusion, 40; Flange, 43; O-ring groove, 44; flange, 45; fitting flange, 46; draining flange, 50; extension, 52, 52c; hook, 54, 54c, 54d; Inclined portion, 70; gap, 80; inner peripheral surface, 82; 85; projections 86; recess 87; recess.

Claims (5)

A support device main body having a housing support portion protruding in a cylindrical shape, and a hollow support member mounted inside the housing support portion,
The accommodation support portion is provided with an engagement through hole, the support member is provided with an engagement projection, and the engagement projection is engaged with the engagement through hole, whereby the support member is fixed to the accommodation support portion. ,
A shower head support device that detachably accommodates a proximal end portion of a shower head connected to a flexible tube in a state where the flexible tube is inserted through the support member,
The through hole for engagement includes an overhanging projection piece having a protruding longitudinal cross-sectional shape at the tip thereof on the inner peripheral surface,
The engaging protrusion is provided on a beam-like portion protruding from the support member, and can be brought into contact with the hooked protrusion, and the angle of the engaging protrusion is at a position where the tip of the hook extends over the hooked protrusion. A shower head support device comprising a hooking surface of less than 90 ° with respect to the distal direction.   The shower head support device according to claim 1, wherein the hook projecting piece of the engagement through-hole is provided with an inclined surface in surface contact with a hook surface of the engagement protrusion.   The supporting device of the shower head according to claim 1 or 2, wherein the hook projection surface of the engagement projection and the hook projection piece of the engagement through hole are in a square shape.   The beam-shaped portion is provided so as to be inclined radially outward with respect to the shaft center of the support member so that the engagement protrusion is elastically biased in the insertion direction into the engagement through hole. The showerhead support device according to any one of claims 1 to 3, wherein the showerhead support device is provided. The shower head according to any one of claims 1 to 4, wherein the engagement through hole is provided with a gap for drainage through which water can flow in a state where the engagement protrusion is engaged. Support device.