JP7411888B2 - Water faucet - Google Patents

Description

The present invention relates to a water faucet.

BACKGROUND ART Conventionally, faucets used in kitchens, washrooms, etc. have been disclosed (for example, see Patent Document 1). The faucet disclosed in Patent Document 1 includes a spout that forms a water spout and a mounting base that supports the spout.

Japanese Patent Application Publication No. 2013-087600

However, when the spout is attached to the mounting base, the spout may wobble due to the gap between the spout and the mounting base. It is desired to develop a technology that can suppress rattling of the spout.

Therefore, an object of the present invention is to provide a water faucet that can suppress rattling of the spout in order to solve the above problems.

In order to achieve the above object, the faucet of the present invention includes a spout that forms a water spout, a mounting base that attaches and supports the spout in the mounting direction along the axial direction of the spout, and a mounting base that supports the spout and the mounting base. a convex portion provided on one of the spouts and extending in the mounting direction; and a convex portion provided on the other of the spout and the mounting pedestal, extending in the mounting direction, and the spout is attached to the mounting pedestal. The device includes a recess that engages with the projection in the state, and a rib that protrudes from the surface of the projection in a direction that contacts the surface of the recess.

According to the faucet of the present invention, rattling of the spout can be suppressed.

Schematic diagram of a faucet in an embodiment A perspective view showing a state in which the spout in the embodiment is removed from the base. A perspective view of a mounting base in an embodiment A perspective view of a spout in an embodiment Front view of the mounting base in the embodiment A lower perspective view of the mating protrusion of the mounting base in the embodiment An upper perspective view of the mating protrusion of the mounting base in the embodiment An upper perspective view of the mating protrusion of the mounting base in the embodiment A top view of the mating protrusion of the mounting base in the embodiment

Embodiments according to the present invention will be described in detail below based on the drawings. Note that the present invention is not limited to this embodiment.

(Embodiment)
FIG. 1 is a schematic diagram of a water faucet 2 in an embodiment.

A faucet 2 shown in FIG. 1 is a faucet device with a water purification function used, for example, in a kitchen. The faucet 2 of this embodiment includes a spout 4, a base 6, and a lever 8.

The spout 4 is a cylindrical member extending along the axial direction A, and has a water spout 10 formed at its tip end. The spout 4 spouts water downward from the spout 10 (water spouting direction Z). A push button 12 is provided at the tip of the spout 4. By pushing the push button 12, the water spouting form from the water spout 10 can be switched between, for example, straight water spouting and shower water spouting.

The end of the spout 4 opposite the push button 12 is attached to the base 6. The spout 4 in this embodiment is removably attached to the base 6 along an attachment line X shown in FIG.

The base 6 is a member that supports the spout 4 and the lever 8. The base 6 is installed on the installation surface 7.

The lever 8 is a member for adjusting the amount of water spouted from the spout 10 and the temperature of the water spouted.

Here, the configuration of the location where the spout 4 is attached to the base 6 will be explained using FIG. 2.

FIG. 2 is a perspective view showing the spout 4 removed from the base 6. From FIG. 2 onward, only the inner cylindrical member of the spout 4 is illustrated and referred to as "spout 4", and illustrations of members such as the spout 10 and the push button 12 are omitted.

As shown in FIG. 2, a mounting pedestal 14 is attached to the base 6. The mounting pedestal 14 is a member that supports the spout 4, and the spout 4 can be attached or detached in the mounting direction B. The attachment direction B is a direction along the axial direction A of the spout 4 and generally coincides with the axial direction A.

Here, the configuration of the mating portion where the mounting base 14 and the spout 4 are mated will be explained using FIGS. 3 and 4. 3 is a perspective view of the mounting base 14, and FIG. 4 is a perspective view of the spout 4.

As shown in FIG. 3, the mounting base 14 of this embodiment includes a mating protrusion 16 that protrudes in the mounting direction B. As shown in FIG. The mating protrusion 16 is a portion mating with a mating recess 20 of the spout 4, which will be described later, and has a generally cylindrical shape. A shower hose (not shown) for supplying water to the water spout 10 is inserted inside the mating protrusion 16 . A plurality of protrusions 18 are formed on the outer peripheral surface of the mating protrusion 16 .

As shown in FIG. 4, the spout 4 of this embodiment has a mating recess 20 recessed in the mounting direction B. As shown in FIG. The mating recess 20 is a portion mating with the mating protrusion 16 described above, and has a generally cylindrical shape. A water purification cartridge (not shown) is inserted into the inner side of the mating recess 20. A shower hose that is passed from the mounting base 14 is connected to the water purification cartridge. As shown in FIG. 4, a plurality of recesses 22 are formed on the inner circumferential surface of the mating recess 20. As shown in FIG.

When the mating protrusion 16 is inserted into the mating recess 20, the convex part 18 and the recess 22 are respectively mated. In consideration of the respective tolerances of the convex part 18 and the concave part 22, it is designed so that a slight gap is created between the convex part 18 and the concave part 22. This gap may cause the spout 4 to shake.

In the faucet 2 of this embodiment, measures are taken to suppress rattling of the spout 4. The idea will be explained using FIGS. 5 to 9.

FIG. 5 is a front view of the mounting base 14. 6 is a lower perspective view of the mating protrusion 16 of the mounting base 14, FIGS. 7 and 8 are upper perspective views of the mating protrusion 16 seen from different angles, and FIG. FIG. 3 is an enlarged top view of the protrusion 16. FIG.

As shown in FIG. 5, the mating protrusion 16 of this embodiment has three protrusions 18: a first protrusion 24, a second protrusion 26, and a third protrusion 28.

The first convex portion 24 , the second convex portion 26 , and the third convex portion 28 are all convex portions that protrude outward from the outer peripheral surface 23 of the mating protrusion 16 . The first protrusion 24, the second protrusion 26, and the third protrusion 28 all extend along the mounting direction B (see FIG. 3).

The first convex portion 24 and the second convex portion 26 are convex portions disposed at positions facing each other on the outer circumferential surface 23 of the mating protrusion 16 . When the mating protrusion 16 is viewed from the front as shown in FIG. placed in position. The first convex portion 24 and the second convex portion 26 are arranged at the same height position and are on the same horizontal line D perpendicular to the vertical plane C.

The third convex portion 28 is a convex portion disposed between the first convex portion 24 and the second convex portion 26 on the outer peripheral surface 23 of the mating protrusion 16 . The third convex portion 28 of this embodiment is arranged at the center position (in the middle) between the first convex portion 24 and the second convex portion 26. When the mating protrusion 16 is viewed from the front, the third protrusion 28 is disposed at an equal distance from the first protrusion 24 and the second protrusion 26 in the horizontal direction, and passes through the vertical plane C.

By providing a plurality of convex portions 24, 26, and 28 as the convex portion 18, rattling of the spout 4 is suppressed when the mating protrusion 16 of the mounting base 14 is inserted into the mating recess 20 of the spout 4. can do.

Here, each of the protrusions 24, 26, and 28 is provided with a plurality of ribs 31 to further suppress wobbling of the spout 4, as shown in FIGS. 6 to 9.

The first convex portion 24 has first ribs 32A and 32B as the ribs 31, as shown in FIGS. 6 and 7. The first rib 32A (FIGS. 7 and 9) is formed on one side (upper surface side) of the first convex portion 24, and the first rib 32B (FIG. 6) is formed on the other side (lower surface side) of the first convex portion 24. ) is formed.

As shown in FIGS. 6 and 7, the first convex portion 24 has a first surface 34, a second surface 36, and a third surface 38. The first surface 34 and the second surface 36 are surfaces rising outward from the outer circumferential surface 23 and are provided at positions facing each other. The third surface 38 is a surface connecting the first surface 34 and the second surface 36, and extends in the direction along the outer peripheral surface 23. The first surface 34 is the upper surface, the second surface 36 is the lower surface, and the third surface 38 is the lateral (left side) surface.

As shown in FIGS. 7 and 9, the first rib 32A is provided on the first surface 34. As shown in FIG. The first ribs 32A of this embodiment are provided at two locations spaced apart from each other in the mounting direction B, and each of the first ribs 32A extends along the mounting direction B. Similarly, as shown in FIG. 6, the first ribs 32B are provided on the second surface 36, and are provided at two locations spaced apart from each other in the mounting direction B, and each of the first ribs 32B extends along the mounting direction B.

Here, the mating recess 20 of the spout 4 is provided with a recess 22 corresponding to the convex part 18 of the mating protrusion 16, but is not provided with a recess corresponding to the rib 31. By providing the first ribs 32A and 32B on the convex portion 18 of the mating protrusion 16, the mating protrusion 16 of the mounting base 14 can be press-fitted and attached when the mating protrusion 16 of the mounting base 14 is inserted into the mating recess 20 of the spout 4. Can be done. Thereby, rattling of the spout 4 can be suppressed.

Furthermore, by providing each of the first ribs 32A and 32B at two separate locations along the mounting direction B, it is possible to prevent the insertion/extraction force when removing the spout 4 in the mounting direction B from becoming excessively large. can.

Further, when the mounting base 14 including the mating protrusion 16 is made of resin, resin molding is performed by pouring the resin material between two molds and curing it, and then separating the two molds. As shown in FIG. 7, when the first ribs 32A and 32B are provided at intervals in the mounting direction B, the mold cannot be pulled out in the mounting direction B. For this reason, in this embodiment, the mounting base 14 having the first ribs 32A, 32B is resin molded by pulling out the mold in the radial direction E, which is a direction perpendicular to the mounting direction B.

The second protrusion 26 provided at a position facing the first protrusion 24 has second ribs 40A and 40B as ribs 31, as shown in FIGS. 6 and 8. The second rib 40A (FIGS. 8 and 9) is formed on one side (upper surface side) of the second convex portion 26, and the second rib 40B (FIG. 6) is formed on the other side (lower surface side) of the second convex portion 26. ) is formed.

As shown in FIGS. 6 and 8, the second convex portion 26 has a first surface 42, a second surface 44, and a third surface 46. The first surface 42 and the second surface 44 are surfaces rising outward from the outer circumferential surface 23 and are provided at positions facing each other. The third surface 46 is a surface connecting the first surface 42 and the second surface 44 and extends in the direction along the outer peripheral surface 23. The first surface 42 is the upper surface, the second surface 44 is the lower surface, and the third surface 46 is the lateral (right side) surface.

As shown in FIGS. 8 and 9, the second rib 40A is provided on the first surface 42. As shown in FIG. The second ribs 40A of the present embodiment are provided at two locations spaced apart from each other in the mounting direction B, and each of the second ribs 40A extends along the mounting direction B. Similarly, as shown in FIG. 6, the second ribs 40B are provided on the second surface 44, and are provided at two locations spaced apart from each other in the mounting direction B, and each of the second ribs 40B extends in the mounting direction B.

By setting the second ribs 40A, 40B in the same shape and arrangement as the first ribs 32A, 32B, the same effects as the first ribs 32A, 32B can be achieved.

The third protrusion 28 provided at a position between the first protrusion 24 and the second protrusion 26 has third ribs 48A and 48B as ribs 31, as shown in FIGS. 7 and 8. The third rib 48A (FIGS. 7 and 9) is formed on one side of the third convex portion 28 (the first convex portion 24 side), and the third rib 48B (FIGS. 8 and 9) is formed on the third convex portion 28. 28 (on the second protrusion 26 side).

As shown in FIGS. 7 and 8, the third convex portion 28 has a first surface 50, a second surface 52, and a third surface 54. The first surface 50 and the second surface 52 are surfaces rising outward from the outer circumferential surface 23 and are provided at positions facing each other. The third surface 54 is a surface connecting the first surface 50 and the second surface 52, and extends in the direction along the outer peripheral surface 23. The first surface 50 is a surface on the first convex portion 24 side (left side), and the second surface 52 is a surface on the second convex portion 26 side (right side).

As shown in FIGS. 7 and 9, the third rib 48A is provided on the first surface 50. The third ribs 48A of this embodiment are provided at two locations spaced apart from each other in the mounting direction B, and each extends along the radial direction E orthogonal to the mounting direction B. The radial direction E corresponds to the direction in which the third convex portion 28 protrudes from the outer circumferential surface 23 . Similarly, as shown in FIG. 8, the third ribs 48B are provided on the second surface 52, and are provided at two locations spaced apart from each other in the mounting direction B, each extending along the radial direction E.

By providing the third ribs 48A, 48B, the mating protrusion 16 of the mounting base 14 is press-fitted into the mating recess 20 of the spout 4, similarly to the first ribs 32A, 32B and the second ribs 40A, 40B. This makes it possible to suppress rattling of the spout 4.

Furthermore, unlike the first ribs 32A, 32B and the second ribs 40A, 40B, the third ribs 48A, 48B extend in the radial direction E perpendicular to the mounting direction B, thereby suppressing rattling in different directions. can do.

As mentioned above, since the first ribs 32A, 32B and the second ribs 40A, 40B are provided at two locations at intervals in the mounting direction B, two molds are used to form the mounting pedestal 14. The direction in which the mold is pulled out during resin molding is the radial direction E, which is orthogonal to the mounting direction B. As shown in FIGS. 7 and 8, by extending the third ribs 48A and 48B in the radial direction E perpendicular to the mounting direction B, unlike the case where the third ribs 48A and 48B extend in the mounting direction B, the mold can be easily pulled out in resin molding. It is also possible to deal with the case where the direction is the radial direction E.

According to the above-described configuration, the outer circumferential surface 23 of the mating protrusion 16 is formed into a flat circumferential shape, and the convex portions 18 are locally provided on the outer circumferential surface 23. On the other hand, a configuration can be considered in which the convex portion 18 is not provided, the outer circumferential surface 23 is made into a sawtooth shape (serrations), and the fitting recesses 20 are also made into a corresponding sawtooth shape so that they fit together. In the case of this configuration, the mounting angle (rotation angle) of the spout 4 with respect to the mounting pedestal 14 can be set to any angle, but the faucet 2 of this embodiment is a faucet device with a water purification function particularly used in a kitchen. Therefore, it is desirable that the flow rate from the water spout 10 is small and that the direction of the water spout 10 is constant to perform stable water spouting. In this embodiment, the outer peripheral surface 23 of the mating protrusion 16 is made into a flat circumferential shape, and the protrusions 18 are locally provided on the outer peripheral surface 23, so that the mounting angle of the spout 4 with respect to the mounting base 14 is kept constant. This makes it possible to set the direction of the water spout 10 in a preferable direction (water spouting direction Z).

Returning to FIG. 5, the mounting base 14 is composed of an upper first part 56 and a lower second part 58. The first part 56 and the second part 58 are assembled with each other in the radial direction E. By configuring the mounting pedestal 14 separately into the first part 56 and the second part 58, when the shower hose is placed in the mounting pedestal 14, the first part 56 and the second part 58 are arranged so as to surround the shower hose. By arranging and joining them to each other, the shower hose can be easily arranged in the mounting base 14.

Of the first part 56 and the second part 58, all of the plurality of convex parts 24, 26, and 28 are provided on the first part 56, and no convex part is provided on the second part 58. By providing the protrusions 24, 26, and 28 in a concentrated manner on the first part 56, the tolerance regarding the dimensions of the protrusions can be made smaller than when providing the protrusions 24, 26, and 28 in a concentrated manner in the first part 56 and the second part 58. can.

As described above, the faucet 2 of this embodiment includes the spout 4 that forms the spout 10 and the mounting base 14 that attaches and supports the spout 4 in the mounting direction B. The faucet 2 of this embodiment further includes a convex portion 18 extending in the attachment direction B, and a recess 22 extending in the attachment direction B and engaging with the convex portion 18. A rib 31 is formed on the convex portion 18 so as to protrude from the surface of the convex portion 18 in a direction in which it comes into contact with the surface of the concave portion 22 .

According to such a configuration, by providing the rib 31 on the surface of the convex portion 18, the spout 4 can be press-fitted and attached to the mounting base 14, and rattling of the spout 4 can be suppressed.

Further, according to the faucet 2 of this embodiment, the mounting base 14 includes the mating protrusion 16, the mating protrusion 16 has a shape protruding in the mounting direction B, and the outer circumferential surface 23 of the mating protrusion 16 A convex portion 18 is provided on. Further, the spout 4 includes a mating recess 20, which has a concave shape in the mounting direction B, and a recess 22 is provided on the inner circumferential surface of the mating recess 20. According to such a configuration, by providing the fitting protrusion 16 on the mounting base 14, it becomes easy to attach the spout 4 to the mounting base 14.

Further, according to the faucet 2 of this embodiment, the convex portion 18 includes a first convex portion 24 and a second convex portion 26 that are arranged at positions facing each other on the outer peripheral surface 23 of the mating protrusion 16 . According to such a configuration, by providing a plurality of convex portions 18, rattling of the spout 4 can be further suppressed. Further, by arranging the first convex portion 24 and the second convex portion 26 at positions facing each other, the spout 4 can be supported in a well-balanced manner.

According to the faucet 2 of this embodiment, the convex portion 18 further includes a third convex portion 28 disposed between the first convex portion 24 and the second convex portion 26 . According to such a configuration, by further providing the third protrusion 28 in addition to the first protrusion 24 and the second protrusion 26, the third protrusion 28 can be used as a landmark when attaching the spout 4 to the mounting base 14. Therefore, the spout 4 can be installed with the direction of the spout 4 constant.

Further, according to the faucet 2 of this embodiment, the ribs 31 include first ribs 32A, 32B provided on the surface of the first convex portion 24, and second ribs 40A, 40B provided on the surface of the second convex portion 26. and third ribs 48A and 48B provided on the surface of the third convex portion 28. According to such a configuration, by providing the ribs 31 on each of the plurality of convex portions 18, the spout 4 can be more firmly press-fitted into the mounting base 14, and the wobbling of the spout 4 can be further suppressed. can.

Further, according to the faucet 2 of this embodiment, the third convex portion 28 is provided at the center position between the first convex portion 24 and the second convex portion 26 on the outer circumferential surface 23 of the mating protrusion 16 . Further, the first ribs 32A, 32B and the second ribs 40A, 40B extend in the mounting direction B, while the third ribs 48A, 48B have the third convex portion 28 protruding from the surface of the mating protrusion 16. It extends in the radial direction E, which is the direction in which the According to such a configuration, by making the extending directions of the plurality of ribs 31 different, it is possible to suppress rattling in various directions. Furthermore, when forming the convex portion 18 by combining two molds, the direction in which the molds are pulled out is the direction intersecting the mounting direction B, that is, the radial direction E, which is the protruding direction of the third convex portion 28, so that the convex portion 18 can be formed.

Further, according to the faucet 2 of the present embodiment, the mounting base 14 including the mating protrusion 16 is composed of the first part 56 and the second part 58 that are combined with each other in the radial direction E, which is the direction intersecting the mounting direction B. configured. Further, the plurality of convex portions 18 are provided only on the first part 56. According to such a configuration, by providing a plurality of convex portions 18 only on the first part 56, the convex portions can be provided only on the first part 56 and the second part 58. The tolerances regarding the dimensions of 18 can be reduced.

Further, according to the faucet 2 of this embodiment, the ribs 31 are provided at two locations spaced apart in the mounting direction B. According to such a configuration, it is possible to prevent the insertion/extraction force when removing the spout 4 from the mounting base 14 from becoming excessively large.

Note that the present invention is not limited to the above embodiments, and can be implemented in various other ways. For example, in the embodiment described above, a case has been described in which the convex portion 18 is provided on the mounting base 14 and the recessed portion 22 is provided on the spout 4, but the present invention is not limited to such a case. The convex portion may be provided on the spout 4 and the concave portion may be provided on the mounting base 14. The spout 4 may be provided with a mating protrusion and a convex portion formed on its outer circumferential surface, and the mounting base 14 may be provided with a mating recess and a concave portion formed on its inner circumferential surface. That is, the convex portion may be provided on one of the spout 4 and the mounting base 14, and the recessed portion may be provided on the other of the spout 4 and the mounting base 14.

Further, in the above embodiment, a case has been described in which three convex portions 24, 26, and 28 are provided as the convex portion 18, but the present invention is not limited to such a case. One or two of the protrusions 24, 26, 28 may be omitted, or a protrusion different from the protrusions 24, 26, 28 may be added. At least one protrusion 18 is sufficient.

Further, in the above embodiment, a case has been described in which the ribs 31 are provided on each of the convex portions 24, 26, and 28, but the present invention is not limited to such a case. The rib 31 on one or two of the protrusions 24, 26, and 28 may be omitted, and it is sufficient if at least one protrusion 18 has the rib 31.

Further, in the above embodiment, a case has been described in which a plurality of ribs 31 (four in this embodiment) are provided in one convex portion 18, but the present invention is not limited to such a case. The number of ribs 31 in one convex portion 18 is not limited to four, but may be any other number. Further, the number of ribs 31 in each of the plurality of convex portions 18 may be made different.

Although the invention has been fully described with reference to preferred embodiments and with reference to the accompanying drawings, various variations and modifications will become apparent to those skilled in the art. It is to be understood that such variations and modifications are included insofar as they do not depart from the scope of the invention as defined by the appended claims. Further, combinations and changes in the order of elements in the embodiments can be realized without departing from the scope and spirit of the present invention.

INDUSTRIAL APPLICABILITY The present invention is useful for faucets used in kitchens and the like.

2 Faucet 4 Spout 6 Base 7 Installation surface 8 Lever 10 Spout 12 Push button 14 Mounting base 16 Engaging protrusion 18 Convex portion 20 Engaging recess 22 Recess 23 Outer surface 24 First convex portion 26 Second convex portion 28 No. 3 Convex portion 30 Center 31 Rib 32A, 32B First rib 34 First surface 36 Second surface 38 Third surface 40A, 40B Second rib 42 First surface 44 Second surface 46 Third surface 48A, 48B Third rib 50 1st surface 52 2nd surface 54 3rd surface 56 1st part 58 2nd part A Axial direction B Installation direction C Vertical surface D Horizontal line E Radial direction X Installation line Z Water discharge direction

Claims (8)

A spout forming a water outlet;
a mounting base for mounting and supporting the spout in a mounting direction along the axial direction of the spout;
a convex portion provided on one of the spout and the mounting base and extending in the mounting direction;
a recess provided on the other of the spout and the mounting base, extending in the mounting direction, and engaging with the protrusion when the spout is attached to the mounting base;
a rib protruding from the surface of the convex portion in a direction that contacts the surface of the concave portion ;
The mounting base includes a mating protrusion having a shape protruding in the mounting direction and having the protrusion provided on the outer peripheral surface,
In the faucet, the spout has a mating recess that is recessed in the mounting direction and the recess is provided on an inner circumferential surface . The faucet according to claim 1 , wherein the convex portion includes a first convex portion and a second convex portion disposed at positions facing each other on the outer circumferential surface of the mating protrusion. The faucet according to claim 2 , wherein the convex portion further includes a third convex portion disposed between the first convex portion and the second convex portion. The ribs include a first rib provided on the surface of the first protrusion, a second rib provided on the surface of the second protrusion, and a third rib provided on the surface of the third protrusion. The water faucet according to claim 3 , comprising: The third convex portion is provided at a central position between the first convex portion and the second convex portion on the outer peripheral surface of the mating protrusion,
The first rib and the second rib extend in the attachment direction, and the third rib extends in a direction in which the third protrusion protrudes from the surface of the mating protrusion. Faucet as described. The mounting base including the mating protrusion includes a first part and a second part that are combined with each other in a direction intersecting the mounting direction,
The faucet according to any one of claims 1 to 5 , wherein a plurality of the convex portions are provided only on the first part. A spout forming a water outlet;
a mounting base for mounting and supporting the spout in a mounting direction along the axial direction of the spout;
a convex portion provided on one of the spout and the mounting base and extending in the mounting direction;
a recess provided on the other of the spout and the mounting base, extending in the mounting direction, and engaging with the protrusion when the spout is attached to the mounting base;
a rib protruding from the surface of the convex portion in a direction that contacts the surface of the concave portion;
In the faucet , the ribs are provided at two locations spaced apart in the mounting direction. A spout forming a water outlet;
a mounting base for mounting and supporting the spout in a mounting direction along the axial direction of the spout;
a convex portion provided on one of the spout and the mounting base and extending in the mounting direction;
a recess provided on the other of the spout and the mounting base, extending in the mounting direction, and engaging with the protrusion when the spout is attached to the mounting base;
a rib protruding from the surface of the convex portion in a direction that contacts the surface of the concave portion;
In the faucet, the rib is provided on a surface that rises to the outside of the convex portion.

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