JP2019112830A - Faucet - Google Patents

Abstract

To provide a faucet improved in assemblability and structural stability when inserting an inner hose into a discharge pipe body.SOLUTION: A faucet comprises a hollow discharge pipe body 4, a water feeding inner hose 5 passing through inside the discharge pipe body 4, an upstream connection part 6 provided at an upstream end part of the inner hose 5, and an upstream holding part 8 provided inside a base part 7 of the discharge pipe body 4 and slidably holding the upstream connection part 6 in the axial direction of the discharge pipe body 4. The inner hose 5 can be drawn out to a tip end side of the discharge pipe body 4 in a range of holding the upstream connection part 6 by the upstream holding part 8.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a faucet installed in, for example, a sink or a wash basin.

  In the conventional faucet equipped with a metallic water discharge pipe (see, for example, Patent Document 1), if the water passage portion is made of metal, there is a concern that the water quality supplied may be deteriorated.

JP-A-9-177147

  Therefore, it is conceivable to let water flow in the inner hose by passing the inner hose with little leaching of harmful substances and the like in the hollow metal spout tube main body.

  However, in this case, if the inner hose is shorter than the water discharge pipe main body, the connection becomes difficult. On the contrary, if the inner hose is too long, unintended stress continues to be applied to the inner hose and members connected thereto, which may cause early failure. .

  The present invention has been made in consideration of the above-mentioned matters, and an object thereof is to provide a faucet capable of enhancing assemblability and structural stability when an inner hose is passed through a water discharge pipe main body. .

  In order to achieve the above object, a water faucet according to the present invention is provided at a hollow water discharge pipe body, an inner hose for water flow passing through the inside of the water discharge pipe body, and an upstream end of the inner hose. An upstream connection portion; and an upstream holding portion provided in a base portion of the water discharge pipe main body and slidably holding the upstream connection portion in the axial direction of the water discharge pipe main body; The inner hose is configured to be able to be drawn out toward the front end side of the water discharge pipe main body within the range in which the portion is held (claim 1).

  The water faucet is provided in the downstream connection portion provided at the downstream end portion of the inner hose and in the tip end portion of the water discharge pipe main body, and prevents the downstream connection portion from moving upstream of the water discharge pipe main body And a seat for permitting movement to the downstream side (claim 2).

  In the above-described water faucet, a blocking member may be detachably attached to the tip end of the water discharge pipe main body to prevent the downstream connection part from moving to the downstream side of the water discharge pipe main body (Claim 3) .

  In the present invention, a faucet capable of enhancing assemblability and structural stability when the inner hose is passed through the water discharge pipe main body is obtained.

  That is, in the faucet of the invention according to each claim of the present application, the inner hose is configured to be able to be drawn out to the tip end side of the water discharge pipe main body in the range where the upstream connection portion is held by the upstream holding portion. Since the connection of the downstream connection portion can be performed on the outside of the water discharge pipe main body, the assemblability can be enhanced, and furthermore, since the upstream connection portion is slidable in the axial direction of the water discharge pipe main body, The long and short are eliminated and absorbed by this slide adjustment, and the structural stability is also enhanced.

  In the water faucet according to the second aspect of the present invention, when the downstream connection portion is connected to the inner hose and then the downstream connection portion is inserted into the water discharge pipe main body, the downstream connection portion goes upstream of the water discharge pipe main body more than necessary The fact that it is pushed in can be reliably prevented by the reception seat.

  In the water faucet according to the third aspect of the present invention, the downstream connection portion does not jump out from the discharge port at the time of water discharge, and the inner hose is settled in a stable state in the water discharge pipe main body.

It is a front view which cut | disconnects a part and schematically shows the structure of the faucet which concerns on one embodiment of this invention. It is a longitudinal cross-sectional view which shows roughly the structure of the principal part of the said water faucet. (A) and (B) is a longitudinal cross-sectional view which shows roughly the structure of the upstream part of the said faucet, and a downstream part. (A) is a longitudinal sectional view of the water discharge pipe main body of the faucet, (B) is a longitudinal sectional view of the base of the water discharge pipe main body when cut in a direction orthogonal to FIG. Is a C-C line cut end view of (A), (D) is an enlarged view of D part of (B), (E) is an E-E line cut end view of (A), (F) is of (A) F part enlarged view, (G) is a G part enlarged view of (B). (A) is a front view of the base of the faucet, (B) is a bottom view of the base, (C) is a longitudinal sectional view of the base, (D) is a cross section taken along the line D-D of (B) and (C) The figure, (E) is an EE line cut cross-sectional view of (A), (F) is an F-F line cross-sectional view of (A). (A) is explanatory drawing which shows roughly the structure of the upstream connection part of the said faucet, (B) is the B section enlarged view of (A). (A) is a top view of the cover of the said faucet, (B) is an AA-A line cross-sectional view of (A), (C) is the B section enlarged view of (B). (A)-(C) are the front view, side view, and rear view which show roughly the structure of the connection band of the said faucet. It is explanatory drawing which shows roughly the structure of the downstream connection part of the said faucet.

  Embodiments of the present invention will be described below with reference to the drawings.

  A faucet 1 shown in FIG. 1 is a hot and cold water mixing faucet to which a water supply pipe P1 and a hot water supply pipe P2 are connected and which can adjust the temperature and the flow rate of hot and cold water to be discharged. That is, when the handle 2 is turned rightward, the temperature of the hot and cold water discharged from the discharge port 3 rises, and conversely, when it is turned leftward, it falls. Further, as shown in FIG. 2, when the handle 2 is at the solid line position (position extending vertically), the water is stopped, and the more it is inclined, the larger the flow rate of hot and cold water discharged from the discharge port 3.

  And as shown in FIGS. 1 to 3, the faucet 1 of the present embodiment passes through the hollow water discharge pipe main body 4 (see also FIGS. 4A to 4 G) and the inside of the water discharge pipe main body 4. The inner hose 5 for water, the upstream connection portion 6 provided at the upstream end of the inner hose 5, and the base 7 extending in the vertical direction of the water discharge pipe main body 4 are provided. The upstream holding portion 8 slidably held in the axial direction, the downstream connecting portion 9 provided at the downstream end of the inner hose 5, and the distal end portion 10 of the water discharge pipe main body 4 The inner hose 5 is provided in the range in which the upstream connection portion 6 is held by the upstream holding portion 8 and the receiving seat 11 that prevents the upstream movement of the water discharge pipe main body 4 and allows the downstream movement. It is configured to be able to be pulled out to the tip side of the main body 4 (see FIG. 3 (B)).

  The water discharge pipe main body 4 is a member made of metal, and the inner hose 5 is a flexible pipe formed of a synthetic resin (for example, vinyl chloride resin) having no or little leaching of harmful substances and the like.

  Hereinafter, the specific structure of the water faucet 1 will be described.

  As shown in FIG. 4 (A), the spout tube body 4 has a gooseneck shape (shape in which the letter “S” is turned upside down), and as shown in FIGS. 4 (B) and 4 (D), its base 7 is provided with a cylindrical accommodating portion 12 which extends laterally and whose distal end side is opened, and the accommodating portion 12 has a cartridge 13 (see FIG. 2) in which a valve structure operated by the handle 2 is incorporated. ) Is accommodated.

  As shown in FIG. 2, the base 14 for supporting the cartridge 13 and forming a predetermined flow path in the base 7 of the water discharge pipe main body 4 (FIG. 5A). ~ (Refer to (F)) is inserted and arranged.

  The base 14 shown in FIGS. 5A to 5F is a member having a substantially cylindrical shape, and the water supply pipe connected to the water supply pipe P and the water supply pipe P2 are connected to the bottom portion thereof. A hot water supply passage 16 communicating with the hot water supply pipe P2 extends to be connected to the cartridge support surface 17 on the front side of the base 14 respectively. That is, the hot and cold water passing through the water supply passage 15 and the hot water supply passage 16 reaches the inside of the cartridge 13 from the cartridge support surface 17 and is mixed at an appropriate ratio in the cartridge 13. Leading to the upper part of the base 14 through the communication path 18 of FIG.

  As shown in FIGS. 5C and 5D, a cylindrical case portion 19 opened upward is provided on the upper portion of the base 14, and the upstream connection portion 6 (FIG. 6A) is provided therein. And (B) are inserted (see FIG. 2 and FIG. 3A).

  As shown in FIGS. 6A and 6B, the upstream connection portion 6 is a substantially cylindrical member, the base end portion 6a is connected to the inner hose 5, and the tip end portion 6b is expanded in diameter. A water blocking member (O ring) 20 (see FIG. 3A) is attached to the outer peripheral surface of the case, and is configured to be in close contact with the inner wall of the case portion 19. Therefore, the hot and cold water from the communication path 18 is sent to the inner hose 5 through the inside of the upstream connection portion 6, and the water blocking member 20 prevents the water from leaking from the gap between the upstream connection portion 6 and the case portion 19.

  On the other hand, as shown in FIGS. 2 and 3A, the cover 21 (see FIGS. 7A to 7C) is attached to the case portion 19. In this example, the upper portion of the case portion 19 is A male screw is provided on the outer peripheral surface, and a female screw that is screwed with the male screw is provided on the cover 21. A through hole 21 a is formed at the center of the cover 21, and the inner diameter of the through hole 21 a is larger than the outer diameter of the central portion 6 c (see FIG. 6A) of the upstream connection portion 6.

  That is, the case portion 19 and the cover 21 constitute an upstream holding portion 8 which holds the upstream connection portion 6 slidably in the axial direction of the water discharge pipe main body 4.

  Further, the connection between the proximal end 6 a of the upstream connection portion 6 and the inner hose 5 is performed using, for example, a connection band 22 shown in FIGS. 8 (A) to 8 (C). And the downstream connection part 9 (refer FIG. 9) is connected with the downstream of the inner hose 5, The connection band 22 can be used also for this connection.

  As shown in FIG. 9, the downstream connection portion 9 is a substantially cylindrical member, the base end portion 9a is connected to the inner hose 5, the tip end portion 9b is expanded in diameter, and the outer peripheral surface is waterproofed A member (O-ring) 20 (see FIG. 3B) is attached, and is configured to be in close contact with the inner wall of the tip portion 10 of the water discharge pipe main body 4.

  And as shown in FIG.1 and FIG.3 (B), the receiving seat 11 which supports the front-end | tip part 9b of the downstream connection part 9 is provided in the front-end | tip part 10 of the water discharging pipe main body 4, This receiving seat 11 prevents the distal end portion 9 b from moving upstream of the water discharge pipe main body 4, while allowing the downstream connection portion 9 to move downstream of the water discharge pipe main body 4.

  However, the foam device 23 (see FIG. 1) is detachably attached to the distal end portion 10 of the water discharge pipe main body 4 in a state in which the distal end portion 9b is supported (abutted) by the receiving seat 11. When the foam device 23 is mounted, it is impossible to move the downstream connection portion 9 to the downstream side of the water discharge pipe main body 4. That is, the foamer 23 functions as a blocking member that blocks the downstream connection portion 9 from moving to the downstream side of the water discharge pipe main body 4.

  In the water faucet 1 of this example configured as described above, in order to provide the inner hose 5 in the water discharge pipe main body 4, first, the upstream connection portion 6 is connected to the upstream side of the inner hose 5, and this upstream connection portion 6 is held by the upstream holding unit 8. Subsequently, as shown in FIG. 3 (B), the downstream end of the inner hose 5 is drawn from the downstream side of the water discharge pipe main body 4 and the downstream connection portion 9 is connected to the inner hose 5. 4, the tip end 9a of the downstream connection portion 9 is supported by the receiving seat 11. Finally, by attaching the foam device 23 to the tip end portion 10 of the water discharge pipe main body 4, the downstream connection part 9 does not jump out from the discharge port 3 at the time of water discharge, and the inner hose 5 is stabilized in the water discharge pipe main body 4. Will fit in the

  Thus, in the faucet 1 of this embodiment, the inner hose is in a range where the upstream connection portion 6 is held by the upstream holding portion 8 (a range in which the tip portion 6a is contained in the space formed by the case portion 19 and the cover 21). 5 is constructed so that it can be pulled out to the tip side of the water discharge pipe main body 4 (see FIG. 3B), and the downstream connection portion 9 can be connected to the inner hose 5 outside the water discharge pipe main body 4 In addition, since the upstream connection portion 6 is slidable in the axial direction of the water discharge pipe main body 4, some length and length of the inner hose 5 can be eliminated and absorbed by this slide adjustment, and structural stability can be achieved. Will also increase.

  When the downstream connection portion 9 is connected to the inner hose 5 and then inserted into the water discharge pipe main body 4, the downstream connection portion 9 is pushed to the upstream side of the water discharge pipe main body 4 more than necessary. It can be reliably prevented by the reception seat 11.

  The present invention is not limited to the above embodiment, and it is needless to say that the present invention can be modified in various ways without departing from the scope of the present invention. For example, the following modifications can be mentioned.

  Although the faucet 10 of the said embodiment is a hot and cold water mixing faucet, this invention is applicable not only to a hot and cold water mixing faucet but the single faucet etc. which discharge only water, for example.

  Although the water discharge pipe main body 4 of the said embodiment is carrying out the goose neck shape, not only this but this invention is applicable also to the water discharge pipe main body 4 of other shapes, such as a straight pipe.

  In the above embodiment, the downstream connection portion 9 is prevented from moving to the downstream side of the water discharge pipe main body 4 by the foam device 23. However, the present invention is not limited to this. The downstream connection portion 9 may be prevented from being moved downstream by being detachably attached to the distal end portion 10 (for example, the inner side of the distal end portion 10).

  The faucet 1 shown in FIG. 1 is not capable of swinging (rotation around the vertical axis) of the water discharge pipe main body 4 but may be able to swing. Even in this case, it is connected to both ends of the inner hose 5 Since rotation about the axis of each of the upstream connection 6 and the downstream connection 9 is allowed, twisting of the inner hose 5 can be avoided.

  In the above embodiment, the upstream holding portion 8 is configured by the case portion 19 and the cover 21 (i.e., only a member different from the water discharge pipe main body 4), but the present invention is not limited thereto. You may make it utilize for the structure of the upstream holding | maintenance part 8. FIG. Further, in the above embodiment, the receiving seat 11 is provided on the water discharging pipe main body 4 (tip portion 10) itself, but the present invention is not limited to this. For example, a member constituting the receiving seat 11 separately from the water discharging pipe main body 4 is provided This member may be attached to the distal end portion 10.

  Needless to say, the above-described modifications may be combined as appropriate.

Reference Signs List 1 faucet 2 handle 3 discharge port 4 spout tube main body 5 inner hose 6 upstream connection portion 6 a proximal end portion 6 b distal end portion 7 base 8 upstream holding portion 9 downstream connection portion 9 a proximal end portion 9 b distal end portion 10 distal end portion 11 seat portion 12 Housing portion 13 Cartridge 14 Base 15 Water supply passage 16 Hot water supply passage 17 Cartridge support surface 18 Communication passage 19 Case portion 20 Water blocking member 21 Cover 21 a Through hole 22 Connection band 23 Foam device P1 Water supply piping P2 Hot water supply piping

Claims (3)

Hollow spout tube body,
An inner hose for water flow passing through the inside of the water discharge pipe body;
An upstream connection provided at an upstream end of the inner hose;
And an upstream holding portion provided in the base of the water discharge pipe main body and slidably holding the upstream connection portion in the axial direction of the water discharge pipe main body,
A faucet characterized in that the inner hose can be drawn out toward the tip end side of the water discharge pipe main body within the range where the upstream connection portion is held by the upstream holding portion. A downstream connection provided at the downstream end of the inner hose;
The receiving seat provided in the front-end | tip part of the said water discharge pipe main body, Comprising: The said downstream connection part prevents moving to the upstream side of this water discharge pipe main body, It comprises: A seat formed. Water faucet. The water faucet according to claim 2, wherein a blocking member for preventing the downstream connection portion from moving to the downstream side of the water discharge pipe main body is detachably attached to the tip end of the water discharge pipe main body.