JP2009108526A - Faucet fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a faucet fixture with proper cleaning property, the appearance of which is not deteriorated by a connecting member for connecting a water ejection pipe to a faucet body in a nonslip state. <P>SOLUTION: The water ejection pipe 18 is elongated out from the faucet body 12, the inside of which is provided with a recess 39 for housing a valve cartridge 40; a screw 104 is protruded to the side of the water ejection pipe 18 from the inside recess 39; and overlap portions of the water ejection pipe 18 and the faucet body 12 are connected together by means of the screw 104, so as to prevent the drop out of the water ejection pipe 18. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a faucet device, and more particularly, to a faucet having a structure in which a water discharge pipe extending from a faucet body is prevented from being removed from the faucet body.

Conventionally, a faucet device is known in which a water discharge pipe extending from a water faucet body is connected by a connecting member at an overlapping portion thereof, and the water discharge pipe is prevented from being removed from the water faucet body.
For example, Patent Document 1 below discloses this type of faucet device.

FIG. 9 shows a specific example.
In the figure, 200 is a faucet body, and 202 is a water discharge pipe extending therefrom.
The faucet body 200 has a housing 204 that forms an outer shell thereof, and a mixing portion 206 is assembled thereto.
Reference numeral 208 denotes a single lever handle as an operation unit of the mixing unit 206.

The water discharge pipe 202 has a lower end (base end) fitted into the housing 204 of the faucet body 200 so as to be able to rotate downward.
An insertion hole 210 having a long circular arc shape in the circumferential direction is formed in the fitting portion of the water discharge pipe 202, and the water discharge pipe 202 is connected to the faucet body 200 in a state of being removed in the insertion hole 210. ing.

  More specifically, a screw (connecting member) 212 is screwed inward from the outside to the faucet body 200, and its tip is inserted into the insertion hole 210 of the water discharge pipe 202. Is prevented from being removed from the faucet body 200.

  The water discharge pipe 202 can be rotated with respect to the faucet body 200 by the insertion hole 210 having a long hole shape in the circumferential direction, and the screw 212 abuts on the circumferential end of the insertion hole 210. The rotation is restricted at a position rotated by a predetermined angle by the stopper action.

However, in this faucet device, the head of the screw 212 that connects the water discharge pipe 202 and the faucet body 200 is exposed to the outside, which deteriorates the appearance.
In addition, if such a head is exposed to the outside, the screw head and its surroundings are uneven, in addition to being easily contaminated, and the dirt is not easily removed during cleaning, so it is easy to clean. There was a problem of being bad.

JP 2006-144326 A

  In view of the above circumstances, the present invention provides a faucet device that does not deteriorate the appearance of the faucet device and that has good cleanability due to the connecting member that connects the water discharge pipe to the faucet body in the unplugged state. It was made for the purpose.

  Thus, according to the first aspect of the present invention, the water discharge pipe is extended from the faucet body having the concave portion for accommodating the valve cartridge on the inner side, and the convex connecting member is connected to the water discharge pipe side from the inner concave portion. It is made to protrude, the overlap part of this water discharge pipe and this faucet body is connected with this connection member, and this water discharge pipe is prevented from being pulled out.

  According to a second aspect of the present invention, in the first aspect, the connecting member is a screw.

Effects and effects of the invention

  As described above, the present invention extends the water discharge pipe from the faucet body having the recess for accommodating the valve cartridge on the inner side, and protrudes the convex connecting member from the inner recess to the water discharge pipe side, The overlapping part of the water discharge pipe and the faucet body is connected by a connecting member so as to prevent the water discharging pipe from being removed. According to the present invention, the connecting member is concealed in the recess. It is possible to prevent the appearance of the faucet device from being deteriorated by exposing the connecting member to the outside, and to improve the appearance of the faucet device.

  Further, by preventing the connecting member from being exposed to the outside, dirt is attached to the connecting member, which further deteriorates the appearance of the faucet device. The problem that it is difficult to remove dirt attached to the periphery can be solved, and the cleaning property can be improved.

In this case, a screw can be suitably used as the connecting member (claim 2).
By doing in this way, the connection structure by a connection member can be made cheap.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
In FIG. 1, 10 is a faucet device (here, a hose storage faucet, hereinafter simply referred to as a faucet), and 12 is a faucet body standing from a counter (attachment body) 14 shown in FIG. The faucet body 12 has a mixing unit 16 that mixes hot and cold water.
From the faucet body 12, an L-shaped water discharge pipe 18 extends. The water discharge pipe 18 includes a water discharge pipe 20 as a holder portion and a water discharge head 24 having a water discharge port 22 on the tip side.

A flexible hose 26 is connected to the water discharge head 24, and the water discharge head 24 is held by the water discharge pipe 20 so that it can be pulled out together with the hose 26.
Here, the hose 26 has a double tube structure of an inner tube made of an elastic material such as rubber and a bellows-shaped flexible metal tube that covers the tube from the outside.

Reference numeral 28 denotes a supply pipe for supplying water and hot water to the mixing section 16 of the faucet body 12. The upper ends of the supply pipes are connected to the mixing section 16, and hot water and water are supplied to the mixing section 16 through the supply pipe 28.
The mixing unit 16 mixes the supplied hot water and water at a predetermined ratio, and the mixed water flows out through the outflow pipe 30 whose upper end is connected to the mixing unit 16.
The hose 26 is connected to the lower end of the outflow pipe 30, and the mixed water flowing out through the outflow pipe 30 is guided to the water discharge head 24 through the hose 26.

The mixing unit 16 is provided with a lever handle 32.
The lever handle 32 includes a handle base 34 having a circular front shape and an inverted cup shape, and a lever portion 36 extending therefrom.
In the mixing unit 16, the lever part 36 is rotated in the axial direction of the mixing part 16 to adjust the discharge water and the flow rate of the discharged water, and the lever part 36 is rotated around the axis. The temperature of the mixed water, that is, the discharged water is adjusted.

In FIG. 2, 56 is a hose guide tube forming a hollow shaft body, that is, a tube body, and the hose 26 is inserted into the inner space.
The hose guide tube 56 is a member that guides the movement of the hose 26 when it is pulled out and stored, and supports the mixing unit 16 and the mixing unit 16 in the faucet body 12 and a part of the faucet body 12. In a form penetrating the pipe 50, the pipe 50 extends downward from the faucet body 12.
The hose guide tube 56 protrudes through the counter hole 14 from the upper side (front side) to the lower side (back side) in the mounting hole 52.

The hose guide tube 56 is provided with a male threaded portion 64 on the lower outer peripheral surface, and a portion where the male threaded portion 64 is provided penetrates the counter 14 in the mounting hole 52 and projects downward.
Further, the protruding portion is disposed on the back side of the counter 14 so as to pass through the insertion hole 68 of the fixing bracket 66 and protrude downward, and on the lower side of the fixing bracket 66, a hose guide tube that also serves as an auxiliary guide tube A cylindrical tightening nut 70 having a pipe diameter larger than 56 is screwed to the male threaded portion 64 of the hose guide tube 56 at the female threaded portion 72.

The fixing nut 66 is fastened to the back surface of the counter 14 by the upward screwing of the tightening nut 70, and the hose guide tube 56 is fixed to the counter 14 by the fixing bracket 66, and further the hose guide tube 56 is fixed. Thus, the faucet device 10 is attached and fixed to the counter 14 in a state where it stands up from the counter 14.
That is, in this embodiment, the hose guide tube 56 forms a shaft body for fixing the faucet device 10, and the hose guide tube 56 is fixed to the counter 14 by the fixing bracket 66. The whole is attached and fixed to the counter 14.

As shown in FIG. 5, the fixing metal 66 has a horseshoe shape having a pair of arms 74, and the insertion hole 68 is formed at a substantially central portion.
Further, an insertion space for inserting the supply pipe 28 and the outflow pipe 30 is formed between the pair of arms 74 and 74 as shown in FIG.
A plurality of sharply pointed protrusions 76 are formed at predetermined intervals along the periphery on the upper surface of the horseshoe-shaped fixing bracket 66, and the protrusions 76 are bitten into the back surface of the counter 14. .
The fixing fitting 66 is also provided with a pair of positioning protrusions 78 that protrude from the inner peripheral surface of the insertion hole 68 in the centripetal direction (inward in the radial direction) of the insertion hole 68.

On the other hand, a corresponding positioning groove 80 is provided in the hose guide pipe 56, and the relative positioning in the rotation direction between the fixing bracket 66 and the hose guide pipe 56 is achieved by fitting the positioning protrusion 78 and the positioning groove 80. The position is defined.
As shown in FIG. 3, the lower surface of the fixing metal 66 is an inclined surface 82. Specifically, the lower surface of the lower surface of the drawing is a right-side down surface, that is, an inclined surface 82 that inclines in a direction away from the counter 14 as it advances in the protruding direction of the mixing unit 16.

As shown in FIG. 3, the cylindrical tightening nut 70 that also serves as an auxiliary guide tube has a curved guide portion 84 that bulges in the centripetal direction (radially inward) at its lower end. The ring is provided around the entire circumference.
The guide portion 84 is a portion that forms a guide when the hose 26 enters and exits the tightening nut 70 that also serves as an auxiliary guide tube. The inner surfaces of the upper end portion and the lower end portion are curved surfaces 86 and 90, respectively. Yes.
Further, a flat cut-off engagement surface 92 is formed on the outer peripheral surface of the lower end portion of the tightening nut 70, and the tightening nut 70 is rotated by engaging a tool with the engagement surface 92. It is made possible.

In FIG. 2, reference numeral 38 denotes a body (valve body) that constitutes a valve of the mixing unit 16 together with the valve cartridge 40. Here, the body 38 is made of a metal block.
The body 38 has a recess 39 into which the valve cartridge 40 is inserted and assembled to the body 38.
Here, a female screw portion 42 is formed on the inner peripheral surface of the recess 39 of the body 38, and a male screw portion 44 is formed on the outer peripheral surface of the valve cartridge 40. In the female screw portion 42 and the male screw portion 44, A valve cartridge 40 is screwed to the body 38.

Inside the valve cartridge 40, a fixed valve body and a movable valve body that slides on the fixed valve body are incorporated, and the movable valve body slides relative to the fixed valve body. The flow rate adjustment of the water discharge and water discharge and the temperature adjustment of the water discharge are performed.
The single lever handle 32 is operatively connected to the movable valve body at the handle base 34, and the rotational movement of the lever portion 36 is transmitted to the movable valve body so that the movable valve body slides. is there.

The body 38 is formed with an internal passage 94 on the inflow side through which the water and hot water supplied through the supply pipe 28 are circulated toward the valve cartridge 40, and the mixed water from the valve cartridge 40 is further discharged to the outflow pipe 30. An internal passage 96 on the outflow side leading to is formed.
The outflow pipe 30 is connected to the outflow side internal passage 96 via a connection pipe 98.

A through-hole 62 is formed on the left end side of the body 38 in the drawing as shown in FIG.
The lower portion and the upper portion of the through hole 62 are insertion holes 46 and 48, and the upper end portion of the support pipe 50 is inserted upward into the insertion hole 46.
Further, the water discharge pipe 18, specifically, the lower end portion (base end portion) of the water discharge pipe 20 is inserted into the upper insertion hole 48.

The hose guide tube 56 as the fixing shaft body passes through the body 38 in the vertical direction in the through hole 62, and the upper portion thereof is fitted into the water discharge pipe 20.
In this fitting portion, a sleeve 58 is interposed between the hose guide tube 56 and the water discharge pipe 20.

  Further, an O-ring 100 made of a rubber elastic body is held at two locations on the outer peripheral surface of the fitting portion in the hose guide tube 56, and the hose guide tube 50 and the sleeve 58 are interposed via these O-rings 100. Are elastically fitted to each other.

The hose guide pipe 56 integrally has an annular flange portion 60 in the insertion hole 48 of the body 38, and the flange portion 60 is seated on the bottom of the insertion hole 48.
Therefore, the hose guide tube 56 is supported by the body 38 of the mixing unit 16.

In the hose guide pipe 56, a portion between the lower insertion hole 46 and the upper insertion hole 48 is fitted to the inner peripheral surface of the through hole 62.
In the fitting portion, the O-ring 102 is held at two locations on the outer peripheral surface of the hose guide tube 56, and the hose guide tube 56 is elastically fitted to the inner peripheral surface of the through hole 62 through the O-ring 102. Have been combined.

  A seating portion 54 having a taper shape larger than the mounting hole 52 in the counter 14 is provided at the lower end portion of the support pipe 56, and the support pipe 50 is formed on the upper surface of the counter 14 in the seating portion 54. And it is made to sit in the state which covers the attachment hole 52. FIG.

The body 38 in the mixing portion 16 is provided with a through-hole female screw hole 103 extending from the inner recess 39 to the upper insertion hole 48, into which a shaft-shaped screw 104 (connecting member) is screwed. ing.
The screw 104 has a large-diameter head 106, and the head 106 is positioned in the recess 39. Therefore, the head 106 of the screw 104 is concealed by the valve cartridge 40 assembled in the recess 39.

On the other hand, as shown in FIGS. 6 and 7, the water discharge pipe 20 is provided with a long hole-shaped insertion hole 108 having a circular arc shape in the circumferential direction at a corresponding height position, and a hose as a fixing shaft body. The guide tube 56 is provided with a fitting hole 110 having a circular shape and a bottom at the same height.
The tip of the screw 104 is inserted into the insertion hole 110 of the hose guide tube 56 through the insertion hole 108 of the water discharge pipe 18 as shown in detail in FIG.

  As apparent from the above, in this embodiment, the water discharge pipe 20, the hose guide pipe 56, and the body 38 in the mixing unit 16 are connected to each other by a single screw 104 at the overlapping portion, and the water discharge pipe 20 and the hose guide pipe are connected. 56 is prevented from coming out upward in the figure with respect to the body 38.

Since the insertion hole 108 of the water discharge pipe 20 has an arc-shaped long hole shape in the circumferential direction, the water discharge pipe 20 is in a state of being pulled out by the screw 104 and has an insertion hole 48 corresponding to the peripheral length of the insertion hole 108. It can rotate around the axis.
When the circumferential end of the insertion hole 108 hits the screw 104, the rotation is restricted there.
In other words, the screw 104 functions as a stopper for restricting the rotation of the water discharge pipe 20 together with the function of preventing the connection by the connection.
However, it is also possible to use the insertion hole 108 of the water discharge pipe 20 as a circular insertion hole so that the water discharge pipe 20 is fixed in the rotational direction.

In this embodiment, the hose guide tube 56 protrudes downward through the counter 14 in the mounting hole 52, and the hose guide tube 56 is inserted into the insertion hole 68 of the fixing bracket 66 below the counter 14. A cylindrical tightening nut 70 that also serves as an auxiliary guide tube is screwed into the male threaded portion 64 of the hose guide tube 56 from the lower side of the fixture 66.
Then, the tightening nut 70 is screwed upward, the fixing bracket 66 is tightened to the back surface of the counter 14, the hose guide pipe 64 is fixed to the counter 14 with the fixing bracket 66, and the faucet body 12 stands up from the counter 14. It can be fixed to the counter 14.

  As described above, in the present embodiment, the water discharge pipe 18 is extended from the faucet body 12 having the recess 39 for accommodating the valve cartridge 40 on the inside, more specifically, the body 38 of the mixing portion 16, and the recess on the inside thereof. Since the convex screw 104 protrudes from the point 39 to the water discharge pipe 18 side, the overlapping portion of the water discharge pipe 18 and the body 38 is connected by the screw 104, and the water discharge pipe is prevented from being removed. According to the embodiment, the screw 104 can be concealed in the recess 39, and the external appearance of the faucet device 10 can be prevented from being exposed by the screw 104 being exposed to the outside. The aesthetics of the instrument 10 can be made good.

Further, by preventing the screw 104 from being exposed to the outside, dirt is attached to the screw 104, which further deteriorates the appearance of the faucet device 10, and also when cleaning the screw 104. In addition, it is possible to solve the problem that dirt attached to the periphery thereof is difficult to remove, and to improve the cleaning property.
Furthermore, since the screw 104 is used as the connecting member in the present embodiment, the connecting structure using the connecting member can be made inexpensive.

FIG. 8 shows another embodiment of the present invention.
In this example, the water discharge pipe 18 extends obliquely upward from the water faucet body 12 provided in an upright state, and the base end of the water discharge pipe 18 is inserted into the insertion hole 48 of the water faucet body 12 so that they are In this example, the water discharge pipe 18 is prevented from being removed by connecting with a screw 104 screwed downward from a recess 39 inside the plug body 12.
Reference numeral 40 denotes a valve cartridge accommodated in the recess 39.

FIG. 8B shows a connection structure of a conventional general water discharge pipe 18 in the seed faucet device 10 as a comparative example. In FIG. 214 is screwed, and the water discharge pipe 18 is fitted into the connection pipe 214, and then the screw 216 is screwed from the lower side to prevent the water discharge pipe 18 from being removed. In this case, the screw 216 is exposed to the outside.
However, in the example of FIG. 8A, it is possible to prevent the screw 104 as the connecting member from being exposed to the outside.

Although the embodiment of the present invention has been described in detail above, this is merely an example.
For example, in the above embodiment, the screw 104 is used as the connecting member. However, in the present invention, a pin or other member can be used in addition to the screw 104. In the above embodiment, the water discharge pipe 18 is fixed to the shaft. The hose guide pipe 56 as a body is connected to the faucet body 12 by a screw 104 as a connecting member. However, in the present invention, a fixing shaft body is not essential, and the water discharge pipe 18 and the faucet are simply connected. The present invention can be applied to a case where the main body 12 is connected, and the present invention can be configured in various forms without departing from the spirit thereof.

1 is an overall perspective view of a faucet device according to an embodiment of the present invention. It is principal part sectional drawing of the same embodiment. It is the front view and front sectional drawing of the principal part of FIG. It is a top view (partial cross section figure) which shows the fixing metal fitting in the same embodiment with a peripheral part. It is a perspective view which shows the fixing metal fitting of FIG. 4 with a hose guide pipe | tube. It is a principal part disassembled perspective view of the faucet device of the embodiment. It is principal part sectional drawing which shows the connection structure by the bis | screw in the same embodiment. It is the figure which showed other embodiment of this invention with the comparative example. It is the figure which showed an example of the conventional water faucet instrument.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Water faucet device 12 Water faucet body 18 Water discharge pipe 38 Body 39 Recess 40 Valve cartridge 104 Screw (connection member)

Claims (2)

  A water discharge pipe extends from a faucet body having a recess for accommodating a valve cartridge on the inside, and a convex connecting member protrudes from the inner recess toward the water discharge pipe, so that the water discharge pipe and the water faucet A faucet device in which an overlapping portion with a main body is connected by the connecting member, and the water discharge pipe is prevented from being removed.   The faucet device according to claim 1, wherein the connecting member is a screw.

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