JP2002071040A - Single lever type mixing valve - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a single lever type mixing valve having a sharp appearance in which a cylindrical shape is used as a motif. SOLUTION: The mixing valve is provided with a water and hot water supply passages respectively communicated with a water and hot water supply pipes, a discharge passage for mixed hot/cold water, a recessed section 10 disposed in a circumferential wall m, a cylindrical frame body 4 formed on the undersurface of the recessed part at the same level of the outlets of the water and hot water supply passages and of the inlet of the discharge passage, a valve body 17 in which the water inlet passage communicated with the water supply passage and the hot water inlet passage communicated with the hot water supply passage are formed and a mixed hot/cold water outlet passage communicated with the discharge passage is formed at the lower reaches of these intake passages, a disk sheet part 26, a lever body 85, a tube body 39, and a tube cover body 52. The lever body with the same diameter as the cover body has is provide with a covering part 55 covering the part which the cover body in the tube cannot cover.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a single-lever type mixing tap.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 9, a continuous plug 82 of this type is provided as a mixer tap in a lateral direction from a peripheral wall 81a of a cylindrical body 81. As shown in FIG.
And the lever body 83 is locked to the laterally mounted valve body.
There is a one-hole mixer tap M (see FIG. 9 (A)) and a one-hole spray mixer tap N (see FIG. 9 (B)), which are configured to be tilted by turning operations in the vertical and horizontal directions. Since the body portion 81 is made of, for example, a bronze casting, the bent shape from the peripheral wall 81a to the continuous portion 82 has a curved shape.
0-133746 (not disclosed at the present time) is a shower head 84 having a sharp external shape of a cylindrical shape used for the one-hole spray mixer tap N.
Even when used in place of the above, the combination of the trunk portion 81 having a conspicuous curved shape and the shower head having a sharp external shape did not match in design.

[0003] The present invention has been made in consideration of the above, and an object of the present invention is to provide a single-lever mixer tap having a sharp external shape with a cylindrical motif.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a metal rod having a water supply channel and a hot water supply channel communicating with a water supply pipe and a hot water supply pipe, respectively. It has a water discharge channel, and has a recess on the peripheral wall, and the outlet of the water supply channel, the outlet of the hot water supply channel, and the inlet of the discharge channel are formed flush with the bottom of the recess. A cylindrical body, a water introduction flow path communicating with the water supply flow path, and a hot water introduction flow path communicating with the hot water supply flow path are formed, and the discharge flow path is communicated downstream of these introduction flow paths. The valve body in which the hot / cold water discharge flow path is formed communicates with the water supply flow path and the water introduction flow path, the hot water supply flow path and the hot water introduction flow path communicate with each other, and the discharge flow path and the hot / cold water mixture Sealable on the bottom of the recess so that the outlet channel can communicate A disk-shaped seat portion attached to the valve body, and a lever which is locked to the valve body and is tilted by a turning operation in the vertical and horizontal directions with the valve body mounted laterally via the seat portion. A body, with the valve body being built-in, a tubular body that is fitted to the seat portion,
A cylindrical cover body having an inner diameter substantially equal to the outer diameter of the cylindrical body, fixed laterally to the peripheral wall around the recess, and covering substantially the entirety of the cylindrical body; The part is attached to the bottom of the recess by screwing, while the seat part and the cylinder are connected by screwing,
The lever body has the same diameter as the cover body, and has a covering portion that covers a portion of the cylindrical body that cannot be covered by the cover body.

[0005]

Embodiments of the present invention will be described below. 1 to 5 show a first embodiment of the present invention in which a water discharge pipe is projected from an upper surface of a cylindrical body.

In FIG. 1 to FIG. 4, reference numeral 1 denotes a one-hole mixing tap, which is provided through a through-hole 3 formed in a tap mounting plate 2 for a kitchen sink, a washbasin, a bathtub or the like. 2 is fixed using bolts 44.

Reference numeral 4 denotes a cylindrical body having a water supply hole 6 forming a water supply passage communicating with the water supply pipe 5 and a water supply hole 8 forming a hot water supply passage communicating with the hot water supply pipe 7. It has a discharge hole 9 that forms a water discharge flow path, and has an oval-shaped recess 10 (FIG. 5A) in the peripheral wall m when viewed from the front.

Further, the bottom surface 11 of the recess 10 has a flat surface, on which the outlet 12 of the water supply passage, the outlet 13 of the hot water supply passage, and the inlet 14 of the discharge passage are flush. Is formed. 9a is an outlet of the discharge channel. Also, a plurality of screw holes 15a, 15b,
15c is formed.

The body 4 is provided with a water supply hole 6, a hot water supply hole 8 and a discharge hole 9 in a cylindrical body 16 obtained by cutting a rod made of, for example, stainless steel having a predetermined diameter D into a predetermined length L. In addition, it is formed by drilling the recess 10. 60 is
It is a water discharge pipe made of stainless steel, and is provided so as to protrude from the upper surface of the body 4. That is, a circular communication hole 61 in front view communicating with the discharge channel is formed in the upper surface portion, and a water discharge pipe attachment member 62 is screwed to the communication hole 61. The water discharge pipe mounting member 62 has a circular hole 62 in the center.
a, and one end of the water discharge pipe 60 is fitted. 66
Is a fitting for the one-hole mixer tap 1 and is attached to a nut 67 which is screwed onto the outer peripheral surface of the bolt 44.
The body 4 is fixed to the upper surface 2b of the faucet mounting plate 2 while the lower surface 2a of the faucet mounting plate 2 is pressed (see Japanese Patent Application No. 8-51018, the specification and the drawings). 44a is
This is a screw hole of the bolt 44.

Reference numeral 17 denotes a valve body which includes a unit case 20 having a small-diameter upper opening 18 and a large-diameter lower opening 19, a lower disk 21, a ceramic fixed disk 22 provided thereon, and a fixed disk 22. A ceramic movable disk 23 slidably superposed and a synthetic resin support member 24 on the movable disk 23 for holding the movable disk 23 are built therein (Japanese Patent Application No. Hei 7-27515).
No., specification, drawings).

In the valve body 17, a water introduction passage communicating with the water supply passage and a hot water introduction passage communicating with the hot water supply passage are formed, and the discharge flow is provided downstream of these introduction passages. A hot and cold mixed water outlet flow path communicating with the path is formed. Reference numeral 25 denotes a stopper rod which rotates around a rotation axis 25a.

Reference numeral 26 denotes a disk-shaped seat portion, which is a water inlet hole 30, a hot water inlet hole 31, and a water inlet hole corresponding to the water valve hole, the hot water valve hole, and the hot / cold mixed water valve hole provided in the lower disk 21, respectively. A hot / cold mixed water outlet hole 32 is provided, and has sealing gaskets 27, 28, and 29 made of three elastic members fitted into the respective holes.

The seat 26 has an external thread 3 on its outer peripheral surface.
3, and screw insertion holes 34a, 34b, 34c are formed at positions corresponding to the screw holes 15a, 15b, 15c provided on the bottom surface 11 of the recess 10. 101
Is a screw. Reference numeral 200 denotes a positioning projection provided on the valve body 17 and is fitted into the screw insertion hole 34a.

The seat portion 26 is interposed between the lower disk 21 and the bottom surface 11, communicates the water supply flow path and the water introduction flow path, communicates the hot water supply flow path and the hot water introduction flow path, Further, the discharge channel and the hot / cold mixed water outlet channel are communicated.

Reference numeral 35 denotes a stainless steel lever body, which is locked to the stopper bar 25 by a pin 36 having a male screw k, and can be tilted by rotating vertically and horizontally. Reference numeral 37 denotes a screw hole having a female screw i to be screwed into the male screw k. Through the screw hole 37, a conical tip portion 36a of the pin 36 is formed in an annular groove 38 formed on the outer peripheral surface of the upper end of the plug rod 25. The fitting configuration is adopted. 44 is a stopper rod 25
Is a recess into which the upper end portion fits, and communicates with the screw hole 37. 100 is a pin insertion hole.

Reference numeral 39 denotes a tubular body which is fitted to the seat portion 26 with the valve body 17 incorporated therein, and is connected to the seat portion 26 by screwing. That is, the cylinder 39 is
It has a small-diameter upper opening 49 and a large-diameter lower opening 50, and the inner diameter of the lower opening 50 is equal to the outer diameter of the seat 26. The lower opening 50 has a female screw 51 that is screwed into the male screw 33 of the seat 26. Valve body 17
The plug 25 is inserted into the lower opening 50 from the lower opening 50 and is fixed to the cylinder 39 by screwing and with the upper end of the plug 25 protruding.

Reference numeral 52 denotes a built-in seat 26 and valve body 17.
Cylindrical thin stainless steel cover for covering the closed cylindrical body 39
The inner diameter of which is substantially equal to the outer diameter of the large diameter portion 39a of the cylindrical body 39.
Having a diameter and transverse to the peripheral wall m around the recess 10
Or fixed by welding. This
, The outer peripheral surface F of the cover body 52 and the peripheral wall surface m of the body 4 ₁
Are orthogonal. Then, the sheet portion 26 is attached to the bottom of the recess 10.
Screw it to the surface 11 (see FIG. 5 (B)).
The cylindrical body 39 containing the body 17 is screwed to the seat portion 26.
In a state where the valve body 17 is mounted in the horizontal direction,
The small diameter portion 39b of the body 39 is not covered with the cover body 52.
Projecting laterally outward from the one opening 54 of the cover body 52
I do.

The lever body 35 has a flat plate-like lever portion 56 which is elongated in a plan view. The lever body 35 is a portion of the cylindrical body 39 that cannot be covered by the cover body 52, that is, the small-diameter portion 3 of the cylindrical body 39.
It has a covering portion 55 that covers 9b. This covering portion 55
Has the same diameter as the cover body 52.

The lever portion 56 and the covering portion 55 are orthogonal to each other. That is, the lever body 35 has a sharp bent shape that bends vertically from the lever portion 56 to the covering portion 55.

Since the stainless steel bar is used, the cost is lower than in the conventional case where the body is formed using a casting mold, and the water supply flow path, the hot water supply flow path, and the discharge flow are used. In addition to simplifying the path, the flow path and the recess 10 can be formed by an easy operation of processing a bar.

Further, the lever body 35 has a sharply bent shape, and the outer peripheral surface F of the cover body 52 and the peripheral wall surface m ₁ of the body part 4 are perpendicular to each other so that the cover body 52 is
In addition, the body 4, the cover 52, the lever 35, and the water discharge pipe 60 are made of stainless steel, so that the one-hole mixer tap 1 having a sharp external appearance with a cylindrical motif can be provided.

FIGS. 6 to 8 show a case in which a shower head having a columnar sharp appearance previously proposed by the present applicant (Japanese Patent Application No. 2000-133746, not disclosed at the present time) is used in place of the water discharge pipe. 7 shows a second embodiment of the invention. 6 to 8, the same components as those shown in FIGS. 1 to 5 are the same or equivalent.

In FIGS. 6 to 8, reference numeral 69 denotes a one-hole spray mixer tap. Reference numeral 70 denotes a hose of the shower head 71, which is connected to a flexible pipe 71c with a stopper 71e via a hose pipe 71b, and the upstream end of the flexible pipe 71c is connected to a discharge hole 9 for mixing hot and cold water. . Reference numeral 72 denotes a through hole formed in the body 4, which communicates with a hose guide tube 73 attached to the upper end of the body 4, through which the hose 70, the hose 71b, and the flexible tube 71c are inserted.

[0024]

According to the present invention, for example, since a stainless steel bar is used, the cost is lower than in the conventional case where the body is formed using a casting mold, and the water supply flow path and the hot water supply flow path are used. ,
In addition to simplifying the discharge flow path, these flow paths and recesses can be formed by a simple operation of processing a bar.

Further, the lever body has a sharp bent shape, and the cover body is attached to the body part perpendicular to the body part, so that the one-hole mixture having a sharp external shape with a cylindrical motif is provided. A stopper can be provided.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a first embodiment of the present invention.

FIG. 2 is a configuration explanatory view showing the embodiment.

FIG. 3 is a configuration explanatory view showing the embodiment in an exploded manner.

FIG. 4A is a perspective view showing a cylindrical body used in the embodiment. (B) is a figure which shows the positional relationship of the trunk | drum and cover body in the said embodiment.

FIG. 5A is a perspective view showing a trunk in the embodiment. (B) is a perspective view showing a state where a seat part is attached to a trunk part in the above-mentioned embodiment.

FIG. 6 is an overall perspective view showing a second embodiment of the present invention.

FIG. 7 is a configuration explanatory view showing the second embodiment.

FIG. 8A is a perspective view showing a cylinder used in the second embodiment. (B) is a diagram showing a positional relationship between a trunk portion and a cover body in the second embodiment.

FIG. 9A is a configuration explanatory view showing a conventional example.
(B) is a configuration explanatory view showing another conventional example.

[Explanation of symbols]

1: One-hole mixer tap, 4: Body, 10: recess, 17 ...
Valve body, 26 seat part, 35 lever body, 39 cylinder body, 52 cover body.

Claims (1)

[Claims] 1. A metal rod having a water supply flow path and a hot water supply flow path communicating with a water supply pipe and a hot water supply pipe, a discharge flow path of hot and cold water mixture, and a recess in a peripheral wall. A cylindrical body in which an outlet of the water supply passage, an outlet of the hot water supply passage, and an inlet of the discharge passage are formed flush with a bottom surface of the recess; and a water introduction communicating with the water supply passage. A valve body in which a flow path and a hot water introduction flow path communicating with the hot water supply flow path are formed, and a hot / cold mixed water derivation flow path communicating with the discharge flow path is formed downstream of the introduction flow path; A flow path and a water introduction flow path communicate with each other, the hot water supply flow path and the hot water introduction flow path communicate with each other, and the bottom surface of the recess can be sealed so as to communicate with the discharge flow path and the hot / cold mixed water discharge flow path. The disk-shaped seat portion is attached to the valve body. A lever body which is stopped and tilted by a rotation operation in the up / down and left / right directions in a state where the valve body is mounted laterally through the seat portion; and A tubular body that fits over the
A cylindrical cover body having an inner diameter substantially equal to the outer diameter of the cylindrical body, fixed laterally to the peripheral wall around the recess, and covering substantially the entirety of the cylindrical body; The part is attached to the bottom of the recess by screwing, while the seat part and the cylinder are connected by screwing,
The single lever-type mixing tap according to claim 1, wherein the lever body has the same diameter as the cover body and has a covering portion that covers a portion of the cylindrical body that cannot be covered by the cover body.