JP4974148B2 - Water discharge head pull-out faucet device - Google Patents

Description

  The present invention relates to a water discharge head pull-out faucet device in which a water discharge head having a water discharge port can be pulled out from a faucet body together with a flexible hose, and more particularly, it is characterized by a hose guide portion that guides when moving the hose It is related with what has.

  Conventionally, a faucet head pull-out type faucet device in which a faucet body is attached to a mounting base such as a counter and a water discharge head having a water discharge port can be pulled out from the faucet body together with a flexible hose connected thereto. It is known.

In this water discharge head pull-out faucet device, a flexible hose penetrates the mounting base such as a counter from the back side to the front side, and is connected to the water discharge head through the inside of the faucet body.
In this type of conventional faucet device, a flexible hose generally has a double pipe structure of a flexible metal outer tube and an inner tube made of an elastic material tube such as an inner rubber. It is used.

In this water discharge head pull-out type faucet device, when the water discharge head is pulled out from the faucet body together with the hose or stored in the faucet body, a flexible hose that passes through the faucet body moves within the faucet body.
At this time, if the hose moves in contact with the faucet body housing or the like, the hose does not move smoothly, and thus the water discharge head cannot be pulled out or stored smoothly. This causes a problem that the hose is damaged due to movement while buffering.

Therefore, in such a hose pull-out type faucet device, there is provided a hose guide that is interposed between a faucet body housing and a hose passing through the inside of the faucet body to guide the hose movement. .
Patent Document 1 below discloses a hose pull-out faucet device provided with such a hose guide.
9 and 10 show the main part of one specific example.

  9, 200 is a faucet body attached to the counter (attachment base) 202 of FIG. 10 at the base end 200A, and 204 is an attachment device for attaching the faucet body 200 to the counter 202 at the attachment hole 206 of FIG. And an annular member 208 having a cylindrical shape is provided.

In FIG. 9, 210 is a supply pipe for supplying water and hot water to the faucet body 200, and 212 is an outflow pipe for flowing out the mixed water of water and hot water mixed in the faucet body 200.
10, 214 is a flexible hose drawn out together with the water discharge head. As shown in the figure, this hose 214 penetrates the counter 202 from the back side to the front side, and further passes through the faucet body 200 and is shown in the figure. It is connected to the water discharge head which is omitted.

In FIG. 9, a hose guide 216 serves as a guide when the hose 214 moves, and has a guide hole 218 penetrating in the vertical direction. The hose 214 is inserted therethrough.
The hose guide 216 has a flange portion 220 provided at the upper end portion over the entire circumference, and the flange portion 220 is connected to the annular member 208 of the attachment device 204 as shown in FIG. Attached to the faucet body 200 so as to be sandwiched up and down.

In FIG. 10, 222 is interposed between the counter 202 and the seating surface of the base end 200A of the faucet body 200 on the counter 202 and seals between the faucet body 200 and the counter 202. A sheet-like packing made of an elastic material such as rubber.
That is, the faucet body 200 is attached to the counter 202 via the sheet-like packing 222.

However, in the case of the water discharge head type faucet device, the hose guide 216 is required as a separate part, and the number of components of the faucet device increases, which increases the cost of the faucet device.
In addition, the hose guide 216 becomes a large part, which occupies a large space, and the structure of the faucet device, in particular, the structure of the attachment part of the faucet body 200 to the counter 202 is complicated, and the assembly is also complicated accordingly. To do.
There is also a risk that the operator may drop the hose guide 216 during assembly work at the construction site, and in this case, the faucet device cannot be assembled and installed.

  Further, the hose guide 216 is usually made of resin. In this case, since the hose guide 216 is a hard member, the hose guide 216 cannot be assembled unless the position and orientation of the assembly are correctly determined. Such problems are inherent.

JP 2006-144330 A

  The present invention is based on the above circumstances, and solves the problem that the number of components of the faucet device increases or the structure becomes complicated due to the hose guide, and the faucet is assembled and attached. The present invention has been made for the purpose of providing a water discharge head pull-out faucet device that can be easily performed.

Thus, according to the first aspect, the faucet body is attached to a mounting base such as a counter, and a water discharge head having a water discharge port passes through the attachment base from the back side to the front side, passes through the faucet body, and In a water discharge head pull-out type faucet device that can be pulled out from the faucet body together with a flexible hose connected to the water discharge head, a seating surface of the base end of the water faucet body on the mounting base and the attachment A sheet-like packing made of an elastic material interposed between the base and the seal is interposed between the faucet body housing and the hose passing through the faucet body to guide the hose movement. A hose guide made of an elastic material is integrally formed in a form having a rising portion that rises upward from the sheet packing and an engaging portion that is bent radially outward at the upper end thereof. To do.

  According to a second aspect of the present invention, in the first aspect, the hose guide is provided over the entire circumference along the opening of the base end portion of the faucet body.

Effects and effects of the invention

  As described above, the present invention has a shape in which a hose guide made of an elastic material rises from the sheet-like packing on a sheet-like packing made of an elastic material that is interposed between a faucet body and a mounting base such as a counter. According to the present invention, the hose guide is not required as a separate part, the parts required for the structure of the faucet device can be reduced, and the cost of the faucet device can be reduced. The structure of the device can be simplified, and the assembly and installation of the faucet device can be simplified accordingly.

  Further, in the present invention, since the hose guide is formed integrally with the sheet packing by an elastic material, the hose guide can be easily positioned at a predetermined position by elastic deformation of the hose guide itself even if the shape of the faucet body is complicated. Can be assembled.

  Also, because the hose guide is formed integrally with the sheet-like packing, the hose guide as a separate part is dropped as a separate part during construction work, and this is lost, causing problems in the assembly and installation of the faucet. Problems can also be solved.

In this invention, the said hose guide can be provided over the perimeter along the opening part of the base end part of a faucet main body (Claim 2).
In this case, when the opening has a circular shape, the hose guide can smoothly guide the hose when the hose is moved regardless of the rotational angle position of the sheet packing and the hose guide.

  In addition, when the opening has a portion protruding inward at a predetermined position in the circumferential direction, by determining the shape of the hose guide so as to have a concave portion along the protrusion, There is an advantage that the hose guide integral with the sheet-like packing can be automatically positioned in the rotation direction by fitting the recessed portion and the protruding portion.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
In FIGS. 1 and 2, 10 is a single lever type mixing faucet device of the present embodiment, and 12 is a faucet body.
A lever operating portion 14 is rotatably provided on the upper portion of the faucet body 12.
In the mixed water faucet device 10, the temperature of the discharged water is adjusted by rotating the lever operation unit 14 to the left and right, and the water discharge is started, stopped, and the amount of water is adjusted by rotating the lever operation unit 14 up and down.

A water discharge head 16 has a water discharge port 18. A flexible hose 20 is connected to the water discharge head 16, and the hose 20 can be pulled out from the faucet body 12 together with the water discharge head 16.
Here, the hose 20 has a bellows shape and has a double-pipe structure of a metal outer tube provided with flexibility based on the bellows shape and an inner tube made of an elastic tube such as rubber inside. ing.
The hose 20 passes through a mounting hole 26 of a counter (mounting base) 24 described later from the back side (lower side) of the counter 24 to the front side (upper side), and further passes through the faucet body 12 and is connected to the water discharge head 16. Has been.

Reference numeral 22 denotes a housing (here, made of metal) in the faucet body 12, and a base end portion 22 </ b> A is attached and fixed to the counter 24 in an attachment hole 26.
3 and 4 specifically show the mounting structure.
As shown in the figure, the faucet body 12 is sandwiched between the horseshoe-shaped holder 30 disposed on the back side of the counter 24 and the faucet body 12 itself via the packing 32 under the counter from both the upper and lower sides. , And fixed to the counter 24.
Specifically, as shown in FIG. 4, the faucet body 12 has a thick portion 34 at a predetermined location in the circumferential direction, and a female screw hole 36 is formed in the thick portion 34, and a cylindrical shape is formed there. The upper end portion of the bolt 38 is screwed.

  The bolt 38 is inserted through the mounting hole 26 of the counter 24, the packing 32, and the insertion holes 37 of the holder 30, and the lower end portion protrudes to the lower side of the counter 24, and the nut 40 having a cylindrical shape at the protruding lower end portion. The faucet body 12 is attached and fixed to the counter 24 by tightening the nut 40.

2 and 3, reference numeral 42 denotes an operation rod for opening and closing a pop-up drain plug at the bottom of the water tank. The operation rod 42 penetrates the thick wall portion 34 of the faucet body 12 and the upper end side of the faucet body 12. Protruding outside. A knob 44 that is an input of operating force is provided at the upper end.
The operation rod 42 is inserted into a cylindrical bolt 38.

As shown in FIG. 3, an elastic material such as rubber that seals between the faucet body 12, specifically between the seating surface of the base end 22A of the housing 22 on the counter 24 and the counter 24, is provided. The sheet-like packing 46 which consists of is interposed.
FIG. 5 specifically shows the configuration of the sheet-like packing 46 on the lower side of the faucet body 12.

  As shown in the figure, the sheet-like packing 46 has a donut ring shape having an opening 50 inside corresponding to the opening 48 (see FIG. 4) at the lower end of the housing 22 in the faucet body 12. A hose guide 52 made of an elastic material of the same material is integrally formed in this sheet-like packing 46 in a circular arc shape at a predetermined position in the circumferential direction and over a predetermined circumferential length.

As shown in FIG. 5, the hose guide 52 has a rising portion 54 that rises upward from the sheet-like packing 46, and an engaging portion 56 that is bent radially outward at its upper end.
The hose guide 52 has a rising portion 54 in the vicinity of the hose 20 that passes through the faucet body 12 as shown in FIG. And is engaged with the base end portion 22A of the faucet body 12 so that the hook-like portion 58 is sandwiched from both the upper and lower sides by the engagement portion 56 at the upper end portion and the sheet-like packing 46 having a donut shape. Yes.

  In this water discharge head pull-out type mixed water faucet device 10, when the hose 20 moves inside the water faucet body 12 when the water discharge head 16 is pulled out and stored, the hose guide 52 made of an elastic material slides on the outer surface of the hose 20. To guide when moving.

According to the present embodiment as described above, a hose guide as a separate part can be made unnecessary, parts necessary for the configuration of the faucet device can be reduced, and the cost of the faucet device can be reduced. The structure of the device can be simplified, and the assembly of the faucet device and attachment to the counter 24 can be simplified accordingly.
Further, the space occupied by the conventional large hose guide 216 shown in FIGS. 9 and 10 can be reduced.

  Further, in the present embodiment, the hose guide 52 is formed integrally with the sheet packing 46 with an elastic material, so that the hose guide 52 can be easily assembled at a predetermined position by elastic deformation of the hose guide 52 itself.

  In addition, since the hose guide 52 is integrally formed with the sheet packing 46, the hose guide 52 is dropped by itself during construction work, and this causes a problem in that the installation and installation of the faucet is hindered. It can be solved together.

Next, FIGS. 6 and 7 show another embodiment of the present invention.
In this example, the faucet body 12, specifically, the base end portion 22A does not have the thick portion 34, is formed with a uniform thickness over the entire circumference, and is a hose guide integrated with the sheet packing 46. This is an example in which 52 is formed in an annular shape that is continuous in the circumferential direction along the circular opening 48 of the faucet body 12.
In this embodiment, even if the sheet-like packing 46 and the hose guide 52 are attached in any position and direction in the rotation direction, the hose guide 52 can provide smooth guidance when moving the hose, and the position in the rotation direction is determined. There is an advantage that is not necessary.

FIG. 8 shows still another embodiment of the present invention.
In this example, the faucet body 12 has the thick portion 34 and the hose guide 52 is continuously formed in the circumferential direction along the opening 48.
Here, the thick portion 34 is partially formed at a predetermined position in the circumferential direction, and the hose guide 52 has a concave portion 60 corresponding to the thick portion 34 projecting radially inward according to this. The concave portion 60 is fitted into the thick portion 34 that protrudes inward in the radial direction.

In the recessed portion 60, the hose guide 52 is provided with only the rising portion 54 and is not provided with the engaging portion 56.
In this embodiment, by setting the hose guide 52 in a state where the recessed portion 60 fits into the thick portion 34, there is an advantage that the assembly position in the rotational direction of the seat packing 46 and the hose guide 52 is automatically determined. .

  Although the embodiments of the present invention have been described in detail above, these are merely examples, and the present invention can be configured in various modifications without departing from the spirit of the present invention.

It is a perspective view of the discharging head pull-out faucet device which is one embodiment of the present invention. It is a principal part notched side view of the embodiment. It is the figure which showed the principal part of the attachment structure of the faucet in the same embodiment. It is a figure which decomposes | disassembles and shows the attachment structure of FIG. 4 to each component. It is a single-piece figure of the sheet-like packing in the same embodiment. It is a figure of other embodiment of this invention. It is a single-piece figure of the sheet-like packing in FIG. It is a figure of other embodiment of this invention. It is the figure which decomposed | disassembled and showed the conventional hose guide into each component with the attachment structure of the faucet. It is the figure which showed the hose guide of FIG. 9 with the principal part of the faucet attachment structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Mixed faucet device 12 Faucet body 16 Water discharge head 18 Water discharge port 20 Hose 22 Housing 22A Base end part 24 Counter (mounting base)
46 Sheet packing 48 Opening 52 Hose guide

Claims (2)

The water faucet body is attached to an attachment base such as a counter, and a water discharge head having a water discharge port passes through the attachment base from the back side to the front side, and is connected to the water discharge head through the water faucet body. In a water discharge head pull-out type faucet device that can be pulled out from the faucet body together with a hose, a seal is provided between a seating surface of the base end of the faucet body on the mounting base and the mounting base. the sheet-like packing made of an elastic material to do so, the water of the plug body interposed between the hose through the interior of the housing and the water plug body, wherein the hose guide made of an elastic material which performs a guide when the hose moving sheet A water discharge head pull-out type faucet device which is integrally formed in a form having a rising portion rising upward from a cylindrical packing and an engaging portion bent radially outward at an upper end thereof .   The water discharge head pull-out type faucet device according to claim 1, wherein the hose guide is provided over the entire circumference along the opening of the base end portion of the faucet body.

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