JPH0430464Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] This invention connects the water supply and hot water supply pipes that pass through the mounting surface of the faucet to the valve part of the faucet body, and
The present invention relates to a mixer faucet in which a hot water supply pipe is covered with a cover and integrated into a faucet body.

[Conventional technology]

Conventionally, in a mixer faucet for hot and cold water, the faucet body is placed on a mounting surface, and a cover is placed on the faucet body to cover the piping hole area for the water supply pipe and hot water pipe opened on this mounting surface. For example, there is a structure that is integrated with the structure described in Japanese Utility Model Application Publication No. 184176/1983.

As shown in FIG.
54, and a bolt hole 57 through which a bolt 56 for fixing the mounting plate 55 is inserted, and a screw 59 is screwed into the arm 58 formed on the mounting plate 55 to fix the cover 60 and fix the faucet body. 61 is connected to the water supply pipe 51 and the hot water supply pipe 52.

To install a faucet that includes the mounting plate 55 and cover 60 as parts, attach the mounting plate 55 to the bolt 56.
The cover 60 is connected to the mounting plate 55 with screws 59, and the water supply pipe 51 and the hot water supply pipe 52 are respectively connected to the faucet body 61. The structure is such that the cover 60 and the cover 60 are integrated.

[Problem that the invention attempts to solve]

However, in this way, the mounting plate 55 is attached to the mounting surface 5.
Since the cover 60 and the faucet main body 61 are connected after being fixed at 0, the installation and piping work on site is complicated, and since the head of the screw 59 is exposed on the surface of the cover 60, dust etc. accumulate on this exposed part. This makes it unsuitable for use as sanitary equipment.

In addition, when installing a faucet, it is necessary to drill piping holes 53, 54 and bolt holes 57 for the water and hot water supply pipes 51, 52 on the mounting surface 50, and also to connect the water supply pipes and hot water pipes to the mounting surface 50. When replacing an existing faucet that is inserted and fixed, new bolt holes must be provided, so there is a problem in that the installation work is complicated, similar to the above.

The purpose of the present invention is to simplify the work of installing the faucet on the mounting surface in a hot water mixer faucet in which the cover is integrated with the faucet body on the mounting surface.
The purpose is to make it easy to replace existing faucets.

[Means and actions for solving problems]

The present invention includes a faucet main body equipped with a water supply pipe and a hot water supply pipe at its lower part, which have a built-in valve element and one end communicating with the valve element, and a faucet body with the pipe ends of these water supply pipes and hot water supply pipes facing the outside. A hot water mixing faucet, comprising a mounting plate fixed to a lower part of the main body, and a cover that includes a mounting opening through which the faucet main body projects upward and covers the entire surface of the mounting plate including the water supply pipe and the hot water supply pipe. A socket extending downward is provided at the ends of the water supply pipe and the hot water supply pipe, and a rectangular socket hole is formed in the mounting plate to allow the socket to pass through, and a flange is provided at the upper end of the socket, and A rectangular portion is provided on the lower surface of the faucet to be unrotatably fitted into the socket hole, and screw holes for screws for connecting the mounting plate to the faucet body and cover are formed in the mounting plate. The present invention is characterized in that a screw hole is formed at the upper end of a raised portion provided on the mounting plate so as to have a height greater than the thickness of the head of the screw.

The bottom side of the faucet body, the water supply pipe, and the hot water supply pipe are assembled as a single body wrapped in a cover and a mounting plate, and the mounting surface has only mounting holes through which two sockets protrude downward from the mounting plate. Just leave it open.

In addition, the rectangular part provided on the flange of the socket fits into the socket hole of the mounting plate, so the water supply pipe, hot water supply pipe, and the faucet body connecting these are located in the correct position and position relative to the mounting plate. held in position. Furthermore, since the heads of the screws for fixing the mounting plate are housed in the upright portions, the heads do not hit the mounting surface, and the mounting plate is tightly fixed to the mounting surface.

〔Example〕

Hereinafter, the present invention will be explained based on embodiments shown in the drawings.

FIG. 1 is a longitudinal cross-sectional view of a hot water mixing faucet according to the present invention;
FIG. 2 is a partially cutaway front view of the same, and FIG. 3 is an exploded perspective view of the main elements.

As shown in Fig. 3, the components of the faucet include a connecting tube 1 that integrally fixes the water supply pipe 2 and the hot water supply pipe 3, and a connecting tube 5 that is rotatably attached to the circumferential surface of the connecting tube 1 and connects the discharge tube 5. The main body part A is composed of a water discharge pipe fitting 4, a valve cylinder 6 connected to the upper end of the connecting cylinder 1 and containing a sliding valve type valve element, and a protective cover 7 covering the valve cylinder 6. Separately from the main body A, the main body A is placed on a mounting surface B, and a mounting plate 8 for fixedly connecting a cover 9 for covering the water and hot water supply pipes 2 and 3 is provided. .

The connecting tube 1 is provided with a hollow portion 11 that communicates with the inside of the valve tube 6 and the water discharge pipe 5, and is also provided with a protruding shaft 13 that extends downward and has a female thread 12 formed therein.

The water and hot water supply pipes 2 and 3 connected to this connecting tube 1 are curved pipes that extend left and right from the lower part of the main body part A and are further bent downward.
5 are vertically connected by welding, and cap nuts 16 and 17 are provided at the lower ends of the sockets 14 and 15.
supply pipes from water and hot water sources (not shown)
Connect to.

In addition, the water supply and hot water supply pipes 2 and 3 are connected to the inside of the valve cylinder 6 through communication holes 18 and 19 of the connecting pipe 1, and hot water and water are supplied from the cavity 11 to the water discharge pipe 5 by the operation of the valve element described later. do.

The mounting plate 8 integrally connects the connecting tube 1 and the cover 9, and has a screw hole 21 through which a fixing screw 20 is inserted and a socket hole 22 through which the sockets 14 and 15 are inserted. This socket hole 22 has a rectangular shape, and a rectangular portion 24 into which the socket hole 22 is fitted is fitted to the lower surface of the upper flange 23 of the sockets 14 and 15, so that the connecting tube 1 can be placed in a normal position on the mounting plate 8. Also, the screw hole 21 is the third
As shown in the figure, an opening is provided at the upper end of a raised portion 21a formed by bulging the edge of the mounting plate 8 upward. As shown in FIG. 1, this raised portion 21a has a height sufficient to accommodate the head of the screw 20.
When the screw 20 is tightened, the assembled structure is such that the head of the screw 20 does not protrude below the lower surface of the mounting plate 8.

The cover 9 is made of a synthetic resin such as ABS resin and has a plated surface.A female screw 25 for screwing a screw 20 is provided on the inner surface of the cover 9, and the lower end of the connecting tube 1 is inserted through the central part. Installation port 26
has been established.

To assemble the faucet, fit the slip ring 27 onto the circumferential surface of the connecting tube 1, insert the mounting opening 26 from below the cover 9, and then bring the mounting plate 8 from below and integrate it with the cover 9 using the screws 20. do.

Next, the discharge pipe fitting 4 is fitted into the connecting tube 1, and the valve tube 6 is screwed together with the case 30 containing the valve element into the connecting tube 1, and furthermore, the valve tube 6 is connected to the connecting tube 1 by screwing.
A protective cover 7 is attached to the valve element, and a lever handle 31 linked to the valve element is attached.

The valve element in this example has two ceramic valve plates arranged one over the other, and one of the valve plates is moved by a lever handle 31 to open and close the flow path.This valve element will be described below. .

As shown in FIG. 1, a fixed valve plate 32 and a movable valve plate 33 having a hollow flow path inside are arranged in a case 30 inside the valve cylinder 6, and the movable valve plate 33 is attached to an operating rod 34. Therefore, the movable valve plate 33 is linked to the lever handle 31, and can be slid on the fixed valve plate 32 surface by vertical and pivoting operations of the lever handle 31.

The fixed valve plate 32 has a water inlet 35 communicating with the water supply pipe 2 and the hot water supply pipe 3, a hot water inlet 36, and a mixed water outlet 37 communicating with the cavity 11 of the connecting tube 1, respectively. In addition, the movable valve plate 33 always has a first valve hole 38 that communicates with the mixed water outlet 37 of the fixed valve plate 32, and a flow rate of water and hot water that is aligned or not aligned with both the water inlet 35 and the hot water inlet 36. A second valve hole 39 is provided in each case to change the temperature.

To install and fix the hot water mixer faucet of the present invention having the above-mentioned valve element, after integrating the mounting plate 8 and the cover 9 on the main body part A in the above-mentioned procedure, install both the faucet in the faucet mounting hole C made in the mounting surface B. The sockets 14 and 15 are inserted and arranged. And this socket 14, 15
The installation is completed by attaching a bag 40 and a spring washer 41 and fixing them to the mounting surface B with nuts 42, and connecting them to water and hot water supply pipes (not shown) with cap nuts 16 and 17. still,
43 is a gasket placed between the lower surface of the mounting plate 8 and the mounting surface B.

In this installation, the entire hot water mixer faucet can be fixed to the mounting surface B in an integrated state, so the work is easy, and the socket 14,
Since it is only necessary to provide two faucet mounting holes C through which the faucet 15 is inserted, processing of the washstand mounting surface is easy even when fixing to a washstand or the like.

In addition, for wash basins etc. that have holes for the water supply and hot water pipes to be inserted in conventional hot and cold mixer faucets,
Since it can be installed without drilling any other mounting holes, it can be easily replaced with existing products.

[Effect of idea]

With this invention, the main body of the faucet, the cover, and the mounting plate are integrated and can be handled as a single item, making the installation process simple and requiring only two mounting holes on the mounting surface. Therefore, it is possible to reduce the number of man-hours required for manufacturing washstands and the like to which faucets are fixed.
Furthermore, by fitting the rectangular portion of the socket into the socket hole, the faucet main body can be reliably positioned on the mounting plate via the water supply pipe and the hot water supply pipe, and fixedly held after being integrated. Therefore, even if the mounting plate is a separate member from the faucet main body, wobbling during use can be prevented. Furthermore, since the screws for fixing the mounting plate do not protrude beyond the bottom surface of the mounting plate, the mounting plate can be tightly fitted to the mounting surface, making it possible to install the entire device with stability.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view of a hot water mixing faucet according to the present invention;
FIG. 2 is a partially cutaway front view, FIG. 3 is an exploded perspective view of the main elements, and FIG. 4 is a sectional view of a conventional example. 1... Connection tube, 2... Water supply pipe, 3... Hot water supply pipe,
4...Discharge pipe fitting, 5...Discharge pipe, 6...Valve barrel, 8...Mounting plate, 9...Cover, 12...Female screw, 13...Protruded shaft, 20...Screw, 21... ...screw hole, 26...mounting port.

Claims (1)

[Scope of utility model registration request] A faucet body having a water supply pipe and a hot water supply pipe at a lower part thereof, each having a built-in valve element and one end communicating with the valve element; A hot water mixer faucet, comprising: a mounting plate to which the faucet body is fixed; and a cover that includes a mounting port through which the faucet main body protrudes upward and covers the entire surface of the mounting plate including the water supply pipe and the hot water supply pipe, Sockets extending downward are provided at the pipe ends of the pipes and hot water supply pipes, rectangular socket holes are formed in the mounting plate to allow these sockets to pass, and a flange is provided at the upper end of the socket, and the socket hole is provided at the lower surface of the flange. A rectangular portion is provided that is non-rotatably fitted into the socket hole, and screw holes for screws for connecting the mounting plate to the faucet main body and cover are formed in the mounting plate, and these screw holes are connected to the socket holes. A hot water mixing faucet characterized by having an opening at the upper end of a raised part provided on the mounting plate so as to have a height greater than the thickness of the head of the screw.