JP2544204Y2 - Hot water mixer tap - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for improving a hot / water mixer tap provided on a horizontal surface such as a kitchen sink, a washbasin, and a bathtub.

[0002]

2. Description of the Related Art As a so-called mounting type hot and cold water mixing tap provided on the above-mentioned horizontal surface portion, for example, as shown in FIG.
A mixing faucet body 32 provided with a mixed hot and cold water spouting pipe 31 is provided with a lever 3 for adjusting the mixing ratio of hot and cold water and the amount of spouting including stop water.
3 and an L-shaped hot water introducing member (only one is shown) 34 communicating with the hot and cold mixing chamber of the mixing tap main body 32 is connected to the mixing tap main rest 32 and is introduced. Some members are provided with flow rate adjusting means (only the operation unit is closed) 35 for each of the members 34.

[0003] The hot / water mixer tap having such a configuration is installed on a horizontal tap mounting surface 37 of a sink 36 as follows, for example. That is, the hot water introduction member 34 is inserted into the through hole 38 formed in the faucet mounting surface portion 37, and the introduction member 34 is inserted into the faucet mounting surface portion 37 by the lock nut 41 via the elastic body 39 and the chrysant washer 40. On the other hand, a unit 42 incorporating a faucet member, for example, a check valve with a strainer, is connected to the introduction member 34 and the introduction member 3
A supply pipe 44 for hot and cold water is connected to and connected to 4 via a cap nut 43. The sink 36 is arranged so as to close a part which was an opening for work after the hot water mixer tap is installed, and the mounting structure of the introduction member 34 to the water tap mounting surface 37 (elastic body) 39, the lock nut 41, etc.) and the connection structure of the check valve unit 42 and the hot / water supply pipe 44 to the introduction member 34 are all housed in a so-called closed space.

[0004]

For this reason, when newly installing a hot / water mixer tap, there is a disadvantage that the arrangement procedure of the sink 36 is restricted after the hot / water mixer tap is installed, or when replacing the hot / water mixer tap. However, there has been a problem that a large-scale operation of once removing the sink 36 has to be performed. In addition, in this type of mounting type hot and cold water mixing tap, there is no one provided with a faucet member such as a strainer, a check valve, a constant flow valve, a water hammer preventive device, etc. There is a situation in which the above-described check valve unit 42 and, if necessary, a water hammer preventer and the like are separately incorporated in the supply pipe 44, and maintenance of these faucet members is also a large-scale operation. There was room for improvement. These problems still occur even when the installation object of the hot and cold water mixing tap is a wash basin or a bathtub.

The present invention has been made in view of such circumstances, and has as its object to provide a hot and cold water mixing tap which has solved the above-mentioned inconvenience by extremely rational improvement.

In order to achieve the above object, the hot water mixer according to the present invention has a female screw connecting portion whose hot screw opening is upwardly opened near the lower part of the horizontal faucet mounting surface. A mixing tap attached to the supply pipe, provided above the faucet mounting surface portion, to a hot water and water introduction member that is connected to the mixing chamber of the mixing tap main body through the connection pipe,
A male screw body screwed to the female screw connection portion is rotatably provided, and the mixing screw main body and the hot and cold water are supplied by screwing the male screw body from the female screw connection portion on the mixing plug main body side. In addition to connecting the pipes above the faucet mounting surface, the faucet loading portion for loading a faucet member such as a constant flow valve or a strainer from above the faucet mounting surface is introduced. The male screw body is characterized in that it has a tongue for screwing the faucet mounting surface from above. Further, from another viewpoint, the hot and cold water mixing tap according to the present invention is a mixing tap which is attached to a hot and cold water supply pipe whose male screw connection portion is opened upward near a lower portion of a horizontal faucet mounting surface. A female screw member screwed into the male screw connection portion, provided on the hot water and water introduction member provided above the water tap mounting surface portion and connected to the mixing chamber of the mixing tap body via a connection pipe. It is provided rotatably, and the female screw body is screwed off from the male screw connecting portion on the mixing tap main body side, so that the mixing tap main body and the hot water supply pipe are connected above the water tap mounting surface portion. And a faucet member loading portion for loading a faucet member such as a constant flow valve or a strainer from above the faucet mounting surface portion is formed on the introduction member, and further, the male screw connection portion is provided. Is screwed on the upper or lower surface of the faucet mounting surface. It is characterized in that it has a flange for.

[0006]

According to the above-mentioned characteristic configuration, the large space above the faucet mounting surface is used as a working space, and the screw body on the mixing faucet main body side is screwed into the screw connecting portion opened upward near the faucet mounting surface. The attachment of the hot and cold water mixing faucet to the faucet mounting surface is achieved by attaching the faucet. In addition, the hot / water mixer tap can be replaced in the upper space of the tap hole mounting surface by unscrewing the screw body, or the maintenance of various tap members after the mixer tap is installed is not hindered by any object. It can be performed in a wide open space above the faucet mounting surface.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a hot-water mixing tap A according to an embodiment of the present invention equipped with a set temperature maintaining function, and a kitchen sink 1.
Is installed on the horizontal faucet mounting surface 2 on the back side of it. The faucet mounting surface portion 2 is formed by covering the upper surface of the horizontal wooden board 3 with a stainless steel sheet 4, and has two through holes (dharma holes on the stainless steel sheet 4 side) 5 at predetermined intervals. Has been established. In these figures, reference numerals 6 and 6 in the drawings denote hot and cold water supply pipes having a female screw connecting portion 7 provided with a flange 7a at an upper portion thereof. The opening of the female screw connecting portion 7 is formed in the through hole 5. The flange 7a is turned upward so as to face and through the perforated sheet packing 8 that matches the through hole 5 so that the flange 7a
Is screwed to the lower surface (or upper surface) of the.

Reference numeral 9 denotes a mixing tap main body in which hot water and water introduction passages a and b are formed. The mixing tap main body 9 includes a water discharging pipe 10 for mixing hot water and a lever 11 for adjusting a water discharge amount including stop water, and a mixing chamber 12. A thermo-type temperature control means 13 for setting the temperature of hot and cold water and maintaining the set temperature is built in. Reference numeral 14 denotes a temperature control handle. Reference numerals 15 and 15 denote connecting pipes connected to the mixing chamber 12 via hot water introducing paths a and b, and reference numerals 16 and 16 denote hot water and water connected to the connecting pipe 15 in a state where the connecting position is adjustable. In order to load a faucet member, for example, a constant flow valve 17 and a water hammer preventing device 18 which are inserted and removed in the vertical direction, and a water stop valve (only the rotation operation unit is shown) 19 which is mounted in the horizontal direction. The water faucet member loading section 20 is provided.

Reference numeral 21 denotes a male screw body which is screwed to the female screw connecting portion 7 of the supply pipe 6 via a packing c, and is provided rotatably in the cylindrical flow path portion 16a of the introduction member 16 in a state where it cannot be removed. In addition, a tongue piece e for fixing the male screw body 21 to the faucet mounting surface 2 with a screw d is provided.
Reference numeral 22 denotes a box-shaped decorative cover for concealing the connecting pipe 15 and the introduction member 16, which is divided so as to sandwich the water hammer preventing device 18 and the mixer tap main body 9 protruding above the introduction member 16, and Seam hiding member 23 for hiding the dividing line
Are fitted into the dovetail groove in the divided cover. The decorative cover 22 is fastened and fixed to the introduction member 16 by a water hammer preventing device 18 attached to the introduction member 16. Reference numeral 24 denotes a perforated sheet packing having the same shape as the sheet packing 8.

According to the hot and cold water mixing tap having the above structure, the connection of the introducing member 16 to the connecting pipe 15 is released, or the connecting position of the introducing member 16 to the connecting pipe 15 can be adjusted so as to allow the introduction. For example, a seal tape is wound around a male screw body 21 rotatably provided on the member 16,
This is screwed from above into the female screw connection part 7 of the upward opening which is located facing the through hole 5 of the faucet mounting surface part 2, and the introduction member 16 is connected to the connection pipe 15 in a predetermined manner. Using the large space above the faucet mounting surface 2 as a working space, the connection of the mixing faucet body 9 to the hot water supply pipe 6 is achieved.

Thereafter, by attaching the decorative cover 22 having the divided structure, the mounting of the hot water mixing tap A on the water tap mounting surface portion 2 is completed. Since the tap A can be installed from above the faucet mounting surface portion 2, the inconvenience that the arrangement procedure of the sink 1 is restricted after the hot / water mixer tap A is installed when the hot water mixer tap A is newly installed is eliminated. Further, by removing the decorative cover 22 and unscrewing the male screw body 21 from the supply pipe 6, the large-scale work for removing the sink 1 once is not required.
The removal of the hot / water mixer tap A and the replacement of the hot / water mixer tap A are achieved, and further, the faucet member (the constant flow valve 17, the water hammer preventer 18, the water stop valve 19) after the hot / water mixer tap A is installed. Can be easily performed in a wide open space above the faucet mounting surface 2 which is not disturbed by anything.

In the above embodiment, the upward opening of the female screw connecting portion 7 with the flange 7a connected to the supply pipe 6 is located near the faucet mounting surface portion 2, and the male screw body on the introduction member 16 side 21 is screwed into the connection structure.
As shown in FIG.
Is screwed to the upper surface (or lower surface) of the faucet mounting surface portion 2, for example, and the hot water supply pipe 6 is connected to the male screw connection portion 25, while being screwed to the male screw connection portion 25 via the packing f. The female screw body 26 to be provided is rotatably provided on the introduction member 16 in a connection structure.

In such a configuration, a check valve 28 having a water stopping function with a strainer 27 is attached horizontally as a faucet member, and the constant flow valve 17 and the water hammer preventing device 18 are provided.
Are inserted and removed in the up-down direction, but the installation target, installation direction, and installation position of the faucet member are not limited to the above-described embodiments. In each of the above embodiments, when it is not necessary to equip the water hammer preventive device 18, a water stop screw is used instead of the water hammer preventive device 18 (see FIG. 1).
27 may be screwed onto the introduction member 16. Further, as the hot and cold water mixing tap A, a thermostat type temperature adjusting means 13 is illustrated, but for example, a type in which the mixing ratio of hot and cold water and the amount of water discharge including stop water are adjusted by a single lever. The present invention can be applied to various types of hot and cold water mixing taps, such as a water heater and a type provided with a handle for adjusting the mixing ratio of hot and cold water and a lever for adjusting the amount of water discharged including water stoppage. .

FIG. 4 shows an embedded type hot and cold water mixing tap A, in which an opening 28 is formed in the faucet mounting surface portion 2 and the opening 28 is formed.
8, a flange h of a box-shaped case 29 is supported, and the case 29 is used as a part of a faucet mounting surface portion, and a female and hot water supply pipe 6 is provided with a female screw connecting portion 7 connected thereto. On the other hand, a hot and cold water mixing tap (a type that does not incorporate a thermo-type temperature control means) A is screwed into each female screw connecting portion 7, and a water seal with the box-shaped case 29 is sealed. Is provided.

[0015]

As described above, according to the hot and cold water mixing tap of the present invention, the large space above the water tap mounting surface is used as a working space, and the hot and cold water mixing tap is not restricted by the arrangement procedure of the sink, for example. Can be easily installed from above the faucet mounting surface. Also, since the male screw body has a tongue for screwing the faucet mounting surface from above,
There is an advantage that the connection between the introduction member and the supply pipe of hot water can be reliably performed. Similarly, since the male screw connection portion has a flange for screwing on the upper surface or the lower surface of the faucet mounting surface portion, there is an advantage that the connection between the introduction member and the hot water supply pipe can be reliably performed. Have. Furthermore, not only replacement of the hot and cold water mixing taps, but also maintenance of various faucet members such as a constant flow valve and a strainer after installing the mixing taps, a faucet for loading these faucet members from above the faucet mounting surface portion. Since the member loading portion is formed in the introduction member, the operation can be performed in a wide open space above the faucet mounting surface portion which is not obstructed by anything.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a hot and cold water mixing tap.

FIG. 2 is a vertical sectional view of a hot and cold water mixing tap with a water discharge pipe developed and shown.

FIG. 3 is a cross-sectional view showing a connection structure of an introduction member to a supply pipe according to another embodiment.

FIG. 4 is an overall view of an embedded type hot / water mixer tap.

FIG. 5 is a side view of a conventional hot and cold water mixing tap.

[Explanation of symbols]

2: faucet mounting surface, 6: supply pipe, 7: female screw connection, 9
... Mixing tap body, 11 ... Mixing chamber, 15 ... Connecting pipe, 16 ... Introduction member, 17, 18, 19 ... Faucet member, 20 ... Faucet member loading part, 21 ... Male screw body, 25 ... Male screw connecting part , 26 ...
Female screw body.

Claims (2)

(57) [Scope of request for utility model registration] 1. A each female threaded connections, a mixing valve mounted on the hot water supplying tubes which are upwardly open below the upper horizontal faucet mounting surface, above the faucet mounting surface portion
Provided, the introducing member of the hot water and water is communicatively connected to the mixing chamber of the mixing valve body via a connecting pipe, rotatably mounted a male screw member that is screwed into the female threaded connections, the mixing valve body
Side, the male screw body is unscrewed from the female screw connection part.
The connection between the mixer tap body and the hot water supply pipe is
The rewritable configured to perform above the plug attachment surface portion, to form a faucet member such as constant flow valve and a strainer on the introduction member faucet member loading section for loading from above of the faucet mounting surface Ah is, further, the male screw member, the faucet from above
The hot and cold water mixing valve, characterized in Rukoto which have a tongue for screws to the mounting surface. 2. Each of the male screw connecting portions has a horizontal faucet catch.
The hot and cold water supply pipe opened upward near the lower part of the attached surface
A mixing tap to be mounted, the mixing tap being above the faucet mounting surface.
Is provided and communicates with the mixing chamber of the mixer tap via the connecting pipe.
To the hot water and water introduction members to be tied,
A female screw body to be screwed is rotatably provided, and
Side, the female screw body is unscrewed from the male screw connection part.
The connection between the mixer tap body and the hot water supply pipe is
It is configured to be performed above the plug mounting surface and has a constant flow rate.
Place a faucet member such as a valve or strainer above the faucet mounting surface.
A faucet member loading section for loading from
The male screw connection part is provided with the faucet attachment.
A flange for screwing on the upper or lower surface of the surface
A hot and cold water mixing tap characterized by having.