JP7130186B2 - faucet device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a faucet device, and more particularly to a faucet device capable of discharging and stopping hot water mixed with hot water supplied from a hot water supply source and water supplied from a water supply source.

2. Description of the Related Art Conventionally, various types of structures have been known as faucet devices capable of discharging and stopping hot water mixed with hot water supplied from a hot water supply source and water supplied from a water supply source.

For example, the faucet device described in Patent Document 1 includes a pedestal member fixed to an installation surface on which the faucet device is installed, and a pedestal member fixed to the pedestal member to perform water discharge stop control and/or temperature control. and a functional unit that performs
The pedestal member has a hot water passage and a water passage for supplying hot water and cold water, respectively. It has a water passage forming member having a supply passage, and a cartridge for adjusting the mixing ratio and flow rate of hot water supplied from the hot water supply passage and water supply passage of the water passage forming member.

JP 2013-189748

In the configuration described in Patent Document 1, the hot water passage of the base member and the hot water supply passage of the water passage forming member are connected via a shaft seal. Similarly, the water passage of the base member and the water supply passage of the water passage forming member are also connected via a shaft seal. That is, the shaft seal for hot water and the shaft seal for water are provided independently.

Such a configuration is extremely excellent from the viewpoint of preventing leakage of hot water and cold water. However, in the shaft seal structure, the structure for holding (sandwiching) the seal member requires a predetermined thickness in the radial direction. Therefore, when trying to design a thin faucet device, there may be a problem.

The inventors of the present invention have extensively investigated the use of face seals instead of shaft seals in order to enable a more compact configuration in the radial direction. The face seal exerts a sealing effect only by being interposed between the facing surfaces of the pedestal member and the water passage forming member, and does not require a structure that expands in the radial direction. Therefore, it is convenient for achieving compactness in the radial direction.

However, it has been found that simply replacing the shaft seal with a face seal may not be sufficiently effective in preventing hot and cold water from leaking. The face seal has a weak point that the sealing performance is significantly degraded when the members to be closely contacted are inclined. For this reason, when each member of the water faucet device may contain slight manufacturing errors, it is difficult to completely eliminate concerns about leakage of hot and cold water.

Therefore, the inventors of the present invention conducted further studies to compensate for the weak point that the face seal is "weak against the inclination of the member to be closely contacted" when adopting the face seal. It was confirmed that the leakage prevention effect can be improved to a practically sufficient level by adding a configuration in which a common shaft seal member is arranged to surround both the hot water supply channel and the water supply channel of the water passage forming member.

The present invention was invented based on the above background. The present invention is a faucet device in which a pedestal member and a water passage forming member are fixed to each other. The purpose is to provide a device.

In order to solve the above-described problems, the present invention provides a faucet device capable of discharging and stopping hot water mixed with hot water supplied from a hot water supply source and water supplied from a water supply source. A pedestal member fixed to an installation surface on which the device is installed, and a functional unit fixed to the pedestal member and performing water discharge stop control and/or temperature control, wherein the pedestal member is provided with hot water and cold water. respectively, and the function part unit has a hot water supply channel and a water supply channel communicating with the hot water channel and the water channel of the base member, respectively. and a cartridge for adjusting the mixing ratio and flow rate of the hot water supply channel and hot water supplied from the water supply channel, wherein the hot water channel of the base member and the The hot water supply passage of the water passage forming member is watertightly connected via the pedestal side hot water surface seal portion, and the water passage of the pedestal member and the water supply passage of the water passage forming member are connected. is watertightly connected via a pedestal side water surface seal portion, and the end portion of the water passage forming member on the pedestal member side is connected to the hot water supply passage in the water passage forming member and the water supply Through a common shaft seal member surrounding the flow path, it is fitted in a fitting hole provided in the base member, or the end of the base member on the side of the water passage forming member A faucet characterized by being fitted into a fitting hole provided in the water passage forming member via a common shaft seal member surrounding the water passage and the water passage in the base member. It is a device.

According to the present invention, the hot water passage of the pedestal member and the hot water supply passage of the water passage forming member are watertightly connected via the pedestal side hot water surface seal portion, and the water passage of the pedestal member and the water passage. The water supply channel of the forming member is watertightly connected via the pedestal side water surface seal portion.
Then, the end portion of the water conduit forming member on the side of the base member is inserted into the fitting hole provided in the base member via the common shaft seal member surrounding the hot water supply channel and the water supply channel in the water conduit forming member. Alternatively, the end portion of the base member on the side of the water passage forming member is provided in the water passage forming member via a common shaft seal member that surrounds the hot water passage and the water passage in the base member. It is designed to fit into the fitted hole.
As a result, since the common shaft seal member enhances the hot and cold water leakage preventing effect, the concern about the hot and cold water leakage is remarkably reduced. On the other hand, since the common shaft seal member is provided in common for hot water and cold water, it is designed to be thinner than the conventional structure in which the shaft seal for hot water and the shaft seal for cold water are provided independently. It is possible to

In the present invention, preferably, the pedestal side hot water face seal portion and the pedestal side water face seal portion are each part of a common pedestal side face seal member.
According to this, in addition to being able to reduce the number of types of parts, it is easy to adjust the balance between the face seal forces of the base side hot water face seal portion and the base side water face seal portion.

Further, in the present invention, in the region where the water passage forming member and the pedestal member face each other, the pedestal side hot water surface seal portion and the pedestal side water surface seal portion are arranged unevenly. is preferably further provided with an auxiliary elastic portion for compensating for the bias.
According to this, it is easy to adjust the balance of the surface sealing force of the pedestal side hot water face seal portion and the pedestal side water face seal portion. In addition, it is possible to effectively suppress inclination of the water passage forming member and/or the pedestal member due to the pedestal side hot water surface seal portion and/or the pedestal side water surface seal portion.

In the present invention, the pedestal member is made of metal, and an end portion of the water passage forming member on the side of the pedestal member connects the hot water supply channel and the water supply channel in the water passage forming member. It is preferable to fit in a fitting hole provided in the base member via a surrounding common shaft seal member.
If the base member is made of metal, the manufacturing error of the base member can be kept small, and the tilting of the base member can be significantly suppressed. In addition, by fitting the end portion of the water passage forming member on the side of the base member into the fitting hole of the metal base member, the inclination of the water passage forming member is effectively suppressed. It is preferable that the water passage forming member is made of a resin in consideration of workability of each passage.

Further, in the present invention, the water passage forming member and the base member are fixed using a mechanical engagement pin, and the common shaft seal member is positioned closer to the base member than the mechanical engagement pin. is preferably arranged.
According to this, the fixing performance of the mechanical engagement pin and the sealing performance of the common shaft seal member do not interfere with each other.

Further, in this case, it is more preferable that the portion of the water passage forming member where the common shaft seal member is arranged is thinner than the portion of the water passage forming member where the mechanical engagement pin is arranged.
According to this, during the work of fitting the water passage forming member and the base member, when the common shaft seal member passes through the side of the pin engagement hole of the base member for penetrating the mechanical engagement pin, It is possible to reduce the possibility that the common shaft seal member will be damaged.

Further, in the present invention, the pedestal member is provided with a notch portion adjacent to the fitting hole, and the outer peripheral surface of the water passage forming member is provided with a projecting portion that engages with the notch portion. It is preferable that the base member and the water passage forming member are positioned in the circumferential direction by fitting the notch portion and the projection portion together.
According to this, it is possible to easily and reliably realize the circumferential positioning of the base member and the water passage forming member.

According to the present invention, the hot water passage of the pedestal member and the hot water supply passage of the water passage forming member are watertightly connected via the pedestal side hot water surface seal portion, and the water passage of the pedestal member and the water passage. The water supply channel of the forming member is watertightly connected via the pedestal side water surface seal portion.
Then, the end portion of the water conduit forming member on the side of the base member is inserted into the fitting hole provided in the base member via the common shaft seal member surrounding the hot water supply channel and the water supply channel in the water conduit forming member. Alternatively, the end portion of the base member on the side of the water passage forming member is provided in the water passage forming member via a common shaft seal member that surrounds the hot water passage and the water passage in the base member. It is designed to fit into the fitted hole.
As a result, since the common shaft seal member enhances the hot and cold water leakage preventing effect, the concern about the hot and cold water leakage is remarkably reduced. On the other hand, since the common shaft seal member is provided in common for hot water and cold water, it is designed to be thinner than the conventional structure in which the shaft seal for hot water and the shaft seal for cold water are provided independently. It is possible to

BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic perspective view which looked at the faucet apparatus by one Embodiment of this invention from diagonally forward. 1 is an exploded perspective view of an entire faucet device according to one embodiment of the present invention; FIG. 1 is a central side cross-sectional view of a faucet device according to one embodiment of the present invention; FIG. 1 is a perspective view of a functional unit of a water faucet device according to one embodiment of the present invention; FIG. 1 is a front cross-sectional view of a water faucet device according to an embodiment of the present invention, showing longitudinal cross-sections of primary flow passages on the hot water side and cold water side. 4 is a partially enlarged cross-sectional view showing an enlarged upper portion of a functional unit in the central side cross-sectional view of the faucet device according to the embodiment of the present invention shown in FIG. 3; FIG. FIG. 3 is a perspective view of the pedestal side seal member of the water faucet device according to the embodiment of the present invention, viewed from below; 1 is an exploded perspective view of a casing member of a faucet device according to a first embodiment of the present invention; FIG. FIG. 9 is a cross-sectional view taken along line IX-IX of FIG. 8;

A faucet device according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
First, FIG. 1 is a schematic perspective view of a water faucet device according to an embodiment of the present invention as seen obliquely from the front.
As shown in FIG. 1, a faucet device 1 according to one embodiment of the present invention mixes hot water supplied from a hot water supply source (not shown) and water supplied from a water supply source (not shown). It is a so-called "single-lever type" faucet device that stops water discharge, and is installed on an installation surface F1 such as a kitchen sink or a washbasin counter.
That is, in this single-lever type water faucet device 1, a single operating handle 2 called a "single lever" is manually operated to rotate, so that hot water whose flow rate and temperature are adjusted is supplied to the spout 4. Water discharge is stopped from the water discharge port 6.

For example, as shown in FIG. 1, in the water faucet device 1 of the present embodiment, first, when the operating handle 2 is set to the lowest water stop operation position, the water is discharged from the spout 6 of the spout 4. It is designed to stop the hot water supply.
Further, as shown in FIG. 1, when the operating handle 2 is rotated from the water stop operating position to the upper operating position, the hot water discharged from the spout 6 of the spout 4 is set to the water discharging state. It's like
That is, the more the operation handle 2 is turned upward (in the direction of the arrow "open" shown in FIG. 1) in the water discharge state, the greater the flow rate of hot water is set, and the more downward (the direction of the arrow "open" shown in FIG. The flow rate of hot water is set to be smaller as the valve is rotated in the "closed" direction.

Further, as shown in FIG. 1, the operating handle 2 rotates to the water side (toward the arrow "C" shown in FIG. 1) about the central axis (rotational central axis A1) extending in the vertical direction of the faucet device 1. When operated, the temperature of the hot water discharged from the spout 6 of the spout 4 is set to the low temperature side.
On the other hand, as shown in FIG. 1, when the operating handle 2 is rotated about the rotation center axis A1 toward the hot water side (arrow "H" side shown in FIG. 1), the water discharge port 6 of the spout 4 The mixing ratio of hot water to be discharged is set to be large.

Next, the internal structure of the faucet device according to one embodiment of the present invention will be specifically described with reference to FIGS. 2 to 7. FIG.
FIG. 2 is an exploded perspective view of the entire faucet device according to one embodiment of the present invention. Also, FIG. 3 is a central side cross-sectional view of the faucet device according to one embodiment of the present invention. Moreover, FIG. 4 is a perspective view of the functional unit of the faucet apparatus according to one embodiment of the present invention.
First, as shown in FIGS. 2 and 3, the water faucet device 1 of this embodiment includes a hollow outer shell member 8 (an element of the outer shell unit) formed in a shape corresponding to its type or specification. ing. The outer shell member 8 includes a column portion 8a that extends vertically in a substantially cylindrical shape, and a spout portion 8b that extends outward from the side surface of the column portion 8a. Further, in the present embodiment, a substantially cylindrical secondary side adapter member 64 (one element of the outer shell unit) is provided inside the support 8a.
The outer shell member 8 is preferably made of a material with excellent appearance, and can be made of, for example, a metal material or a special resin material.
The secondary side adapter member 64 is normally made of resin, and as shown in FIG. may be defined by rib walls: see Figure 5).

Next, as shown in FIGS. 2 and 3, the faucet device 1 of this embodiment includes a hot water supply pipe 10, a water supply pipe 12, and a base member on the lower side (upstream side) of the outer shell member 8. 16 each.
As shown in FIGS. 1 to 3, the base member 16 is arranged on the installation surface F1 of the water faucet device 1 and fixed by, for example, a horseshoe-shaped gripping metal fitting and a fastening metal fitting.
As shown in FIGS. 2 to 4, the faucet device 1 of this embodiment includes a functional unit 19 inside the secondary side adapter member 64, the details of which will be described later.

Next, FIG. 5 is a front cross-sectional view of the water faucet device according to one embodiment of the present invention, showing vertical cross-sections of the primary flow passages on the hot water side and cold water side.
As shown in FIG. 5, the pedestal member 16 is formed with a hot water passage 16a and a water passage 16b extending in the vertical direction. A hot water supply pipe 10 for supplying hot water from a hot water supply source (not shown) such as a water heater is connected to the hot water passage 16a from below. Similarly, a water supply pipe 12 for supplying water from a water supply source (not shown) such as a tap is connected to the water conduit 16b from below.

Next, FIG. 6 is a partially enlarged cross-sectional view showing an enlarged upper portion of the functional unit 19 in the central side cross-sectional view of the water faucet device 1 according to the embodiment of the present invention shown in FIG.
As shown in FIGS. 2 to 6, the functional unit 19 of the water faucet device 1 of the present embodiment extends upward from below ( from upstream to downstream), water passage forming member 50, metallic casing member 40, single lever cartridge 54 (fixed valve body 54a, movable valve body 54b, single lever 54c), and cartridge pressing member 56 each.

The water passage forming member 50 is made of resin, for example, and as shown in FIG. 16b and a water supply channel 46 extending longitudinally therethrough.

The hot water passage 16 a of the base member 16 and the hot water supply passage 44 of the water passage forming member 50 are watertightly connected via the base side hot water surface seal portion 81 a of the base side surface seal member 81 . FIG. 7 is a perspective view of the pedestal side seal member 81 of the water faucet device 1 according to one embodiment of the present invention, viewed from below. The pedestal-side hot water surface seal portion 81a is provided with a hot water opening 81d that allows the hot water passage 16a and the hot water supply passage 44 to communicate with each other.
Similarly, the water passage 16 b of the base member 16 and the water supply passage 46 of the water passage forming member 50 are watertightly connected via the base side water surface seal portion 81 b of the base side seal member 81 . A water opening 81e that allows the water passage 16b and the water supply passage 46 to communicate with each other is provided in the pedestal side water surface seal portion 81b.
As described above, the pedestal side hot water surface seal portion 81 a and the pedestal side water surface seal portion 81 b are each provided by part of the common pedestal side surface seal member 81 .

As shown in FIGS. 2 to 7, in the region where the water passage forming member 50 and the pedestal member 16 face each other, the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b are arranged unevenly. is doing. Specifically, the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b are arranged axially symmetrically with respect to the common axis of the substantially cylindrical water passage forming member 50 and the pedestal member 16. not
However, the pedestal side seal member 81 of this embodiment further has an auxiliary elastic portion 81c having an auxiliary opening 81f in order to compensate for such bias.
As a result, the balance between the surface sealing forces of the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b is preferably adjusted. In addition, it is effectively suppressed that the water passage forming member 50 and/or the pedestal member 167 are inclined due to the pedestal side hot water surface seal portion 81a and/or the pedestal side water surface seal portion 81b. there is

Also, the base member 16 of the present embodiment is made of metal, and is provided with a fitting hole 16h on the upper end side (see FIG. 2).
Then, the end portion (lower end portion) of the water passage forming member 50 on the side of the base member 16 passes through the common shaft seal member 42 surrounding the hot water supply passage 44 and the water supply passage 46 in the water passage forming member 50, It is fitted in the fitting hole 16 h of the base member 16 . The common shaft seal member 42 is held in a shaft seal member holding groove 50 g formed on the outer peripheral surface of the water passage forming member 50 .

Further, the pedestal member 16 of the present embodiment is provided with a notch portion 16c adjacent to the fitting hole 16h (see FIG. 2), and the outer peripheral surface of the water passage forming member 50 is fitted with the notch portion 16c. A projecting portion 50p is provided (see FIG. 2). By fitting the notch portion 16c and the projecting portion 50p together, the base member 16 and the water passage forming member 50 are positioned in the circumferential direction (see FIG. 4).

Also, the base member 16 of this embodiment is fixed to the base member 16 using a mechanical engagement pin 58 . Specifically, the mechanical engagement pin 58 is adapted to be inserted into a lower pin engagement hole 16e provided in the base member 16 from the outside. After the mechanical engagement pin 58 is engaged with the lower pin engagement hole 16e (see FIG. 2), the inner end of the mechanical engagement pin 58 engages with the engagement hole 50e (see FIG. 2) in the side surface of the water passage forming member 50. is adapted to engage the

The common shaft seal member 42 is arranged closer to the base member 16 than the mechanical engagement pin 58 when viewed in the axial direction.
Also, the portion of the water passage forming member 50 where the common shaft seal member 42 is arranged is thinner than the portion where the mechanical engagement pin 58 of the water passage forming member 50 is arranged.

Next, FIG. 8 is an exploded perspective view of the casing member 40 of the water faucet device 1 according to one embodiment of the present invention, and FIG. 9 is a cross-sectional view taken along line IX-IX of FIG.
As shown in FIGS. 2, 8 and 9, the casing member 40 of the water faucet device 1 according to the present embodiment is made of metal, and consists of a lower casing member 72 and an upper casing member 74 from the bottom to the top. , and an upper annular member 76, respectively.
As metal materials for these members 72, 74, and 76, stainless steel materials (for example, SUS304, etc.) having relatively high corrosion resistance and relatively high durability and strength can be used. However, metal materials other than stainless steel may be used as long as they have relatively high corrosion resistance and relatively high durability and strength.
As shown in FIGS. 2, 8 and 9, the upper end of the lower casing member 72 and the lower end of the upper casing member 74 are integrally connected to each other by welding or the like. The upper end of the upper ring member 76 and the lower end of the upper annular member 76 are integrally connected to each other by welding or the like.

Here, as shown in FIGS. 8 and 9, in the lower casing member 72 in a state before being welded to the upper casing member 74, a metal plate having a dimension that can be inserted into the secondary side adapter member 64 is used. Alternatively, it is formed in a substantially cylindrical shape by a tubular material.
For example, when forming the substantially cylindrical lower casing member 72 made of metal, a thin metal plate is formed into a curved shape by bending such as roll forming. It is formed in a substantially cylindrical shape with dimensions that allow it to be inserted into the secondary side adapter member 64 .
Alternatively, a metal pipe having a diameter that can be inserted into the secondary side adapter member 64 is prepared in advance, and the pipe is cut or machined so that it can be inserted into the secondary side adapter member 64. Adjust to the desired axial length dimension.
That is, when molding the lower casing member 72 made of metal, a casting process using a mold or the like is not adopted. There is no need to prepare a mold for molding the lower casing member 72 for each shape.

As shown in FIGS. 2, 8 and 9, below the side surface of the lower casing member 72, a plurality of upper pin engaging holes 72b are formed at intervals in the circumferential direction and penetrate in the radial direction by drilling or the like. formed.
Thereby, as shown in FIGS. 2, 8 and 9, the mechanical engagement pin 60 is inserted into the upper pin engagement hole 72b from the outside. After engaging with the upper pin engaging hole 72b, the mechanical engaging pin 60 engages with the engaging hole 50b on the side surface of the water passage forming member 50 at its inner end.
A cutout portion 72c is provided on the side surface of the lower casing member 72, and a projecting portion 50c that engages with the cutout portion 72c is provided on the outer peripheral surface of the water conduit forming member 50. The lower casing member 72 and the water passage forming member 50 are positioned in the circumferential direction by fitting the portion 72c and the projecting portion 50c to each other.

Next, as shown in FIGS. 8 and 9, the upper casing member 74 in a state before being welded to the lower casing member 72 has a bottom portion 74a, and has a bottomed cup shape with an open top. is a member of
As shown in FIGS. 8 and 9, the upper casing member 74 is formed to extend upward from its bottom portion 74a in a substantially cylindrical shape.
Further, the upper edge of the upper casing member 74 is formed with a flange portion 74b protruding outward.
For example, when molding such a bottomed cup-shaped upper casing member 74 , a thin metal plate is subjected to drawing or the like so as to have dimensions that allow it to be inserted into the secondary side adapter member 64 . Form into a bottom cup.
That is, when molding the upper casing member 74 made of metal, a casting process using a mold or the like is not employed. There is no need to prepare a mold for molding the upper casing member 74 for each shape.

Next, as shown in FIGS. 6, 7 and 9, in the bottom portion 74a of the upper casing member 74, a hot water side communication hole 74d, a cold water side communication hole 74e, and a hot water communication hole 74f are formed by drilling. formed.
As shown in FIG. 5, the hot water supply channel 44 of the water channel forming member 50 below and the hot water channel 54d of the single lever cartridge 54 above are connected by the hot water side communicating hole 74d of the bottom portion 74a of the upper casing member 74. can be communicated with.
Similarly, as shown in FIG. 5, the water supply channel 46 of the water channel forming member 50 below and the water channel 54e of the single lever cartridge 54 above are connected by the water side communicating hole 74e of the bottom portion 74a of the upper casing member 74. can be communicated with.

Since the structure of the single lever cartridge 54 is the same as that of a known single lever cartridge, a detailed description is omitted. 54b and lever 54c.

As shown in FIGS. 5 and 6, the fixed valve body 54a is fixed to the bottom of the single lever cartridge 54, and the movable valve body 54b slides on the upper surface of the fixed valve body 54a in translation and rotation. positioned to allow movement.
Further, the lever 54c is a single shaft member having a lower end connected to the movable valve body 54b and an upper end connected to the operating handle 2. As shown in FIG.

As shown in FIG. 5, each of the fixed valve body 54a and the movable valve body 54b is a primary side flow path communicating with each of the hot water supply flow path 44 and the water supply flow path 46 of the water flow path forming member 50. A hot water channel 54d and a water channel 54e are formed respectively.

Further, as shown in FIGS. 3 and 6, hot water mixed with hot water supplied from the hot water passage 54d and the water passage 54e is supplied to the fixed valve body 54a and the movable valve body 54b, respectively. Hot and cold water supply paths 54f are formed respectively. The mixing ratio and flow rate of the hot water supplied to the hot water supply channel 54f from the hot water channel 54d and the water channel 54e are adjusted according to the position of the movable valve body 54b.

3 and 6, the hot water supply path 54f of the single lever cartridge 54 is open at the lower end surface of the single lever cartridge 54, and passes through the hot water communication hole 74f of the bottom portion 74a of the upper casing member 74. , and communicates with the hot water passage 50 f in the water passage forming member 50 .

In this embodiment, a second surface seal member 82 is provided to seal the lower surface of the bottom portion 74a of the upper casing member 74 and the water conduit forming member 50. A third face seal member 83 is provided to provide a face seal between the top surface and the bottom surface of the single lever cartridge 54 .
In the present embodiment, the second surface seal member 82 and the third surface seal member 83 are the same members as the pedestal side surface seal member 81 (members having the same material, shape and size), and are identical to each other in plan view. placed in the direction.

The hot water supply passage 44 of the water passage forming member 50 and the hot water side communication hole 74d of the bottom portion 74a of the upper casing member 74 are watertightly connected via the hot water surface seal portion 82a of the second surface seal member 82. (See FIG. 7). The hot water face seal portion 82a is provided with a hot water opening 82d that allows communication between the hot water supply channel 44 and the hot water side communication hole 74d.
Similarly, the water supply passage 46 of the water passage forming member 50 and the water side communication hole 74e of the bottom portion 74a of the upper casing member 74 are watertightly connected via the water face seal portion 82b of the second face seal member 82. ing. The water face seal portion 82b is provided with a water opening 82e that allows communication between the water supply channel 46 and the water side communication hole 74e.
Furthermore, the hot water communication hole 74f of the bottom portion 74a of the upper casing member 74 and the hot water passage 50f of the water passage forming member 50 are watertightly connected via the auxiliary elastic portion 82c of the second surface seal member 82. The auxiliary elastic portion 82c is provided with an auxiliary opening 82f that allows communication between the hot water communication hole 74f and the hot water passage 50f.

The hot water side communication hole 74d of the bottom portion 74a of the upper casing member 74 and the hot water passage 54d of the single lever cartridge 54 are watertightly connected via the hot water surface seal portion 83a of the third surface seal member 83 (see FIG. 7). The hot water surface seal portion 83a is provided with a hot water opening 83d for communicating the hot water side communication hole 74d and the hot water passage 54d.
Similarly, the water side communication hole 74e of the bottom portion 74a of the upper casing member 74 and the water passage 54e of the single lever cartridge 54 are watertightly connected via the water face seal portion 83b of the third face seal member 83. . The water face seal portion 83b is provided with a water opening 83e that allows communication between the water side communication hole 74e and the water passage 54e.
Further, the hot water supply path 54f of the single lever cartridge 54 and the hot water communication hole 74f of the bottom portion 74a of the upper casing member 74 are watertightly connected via the auxiliary elastic portion 83c of the third face seal member 83. The auxiliary elastic portion 83c is provided with an auxiliary opening 83f that allows communication between the hot water supply path 54f and the hot water communication hole 74f.

Next, as shown in FIGS. 8 and 9, the upper annular member 76 in a state before being welded to the upper casing member 74 is made of a metal plate or metal plate having dimensions that allow it to be inserted into the secondary side adapter member 64. It is formed in a substantially annular shape by a tubular material.
For example, when forming the substantially annular metal upper ring member 76, a metal pipe having a diameter that can be inserted into the secondary side adapter member 64 is prepared in advance, and this pipe is cut or processed. By performing cutting, the length in the axial direction is adjusted so that it can be inserted into the secondary side adapter member 64 .
That is, since casting using a mold or the like is not employed when molding the metal upper annular member 76, the outer shell member 8 and the secondary side adapter member 64 according to the type of the water faucet device 1 are formed. There is no need to prepare a mold for molding the upper annular member 76 for each shape.

Next, as shown in FIGS. 8 and 9, an internal thread 76a is formed on the inner peripheral surface of the upper annular member 76 by internal thread processing.
Further, as shown in FIG. 6, a male thread 56a formed on the outer peripheral surface of the cartridge pressing member 56 can be screwed into the female thread 76a of the upper annular member 76, and the cartridge pressing member 56 is attached to the upper end portion of the casing member 40. (Upper annular member 76).
After such internal threading, as shown in FIGS. 8 and 9, the lower edge portion of the upper annular member 76 and the outer edge portion of the flange portion 74b of the upper casing member 74 are welded to each other. and the lower end of the upper annular member 76 are integrally connected to each other.
In the water faucet device 1 of this embodiment, the upper annular member 76 is formed with a female thread 76a on the inner peripheral surface thereof as a female member, and the outer peripheral surface of the cartridge holding member 56 is formed with a male thread 56a as a male member. A form in which they are screwed together is adopted. However, the present invention is not limited to such a form, and a male side member is formed by forming a male thread on the outer peripheral surface of the upper annular member 76, and a female side member is formed by forming a female thread on the inner peripheral surface of the cartridge pressing member 56 and is screwed together. You may adopt the form to make it.

As shown in FIGS. 3 and 6, above the single lever cartridge 54, the male thread 56a of the cartridge pressing member 56 is screwed into the female thread 76a of the upper annular member 76 so that the single lever cartridge 54 is attached to the upper casing member. It is held in a pressed state within 74 .

Next, as shown in FIGS. 3 and 6 , a tubular secondary flow path 78 is formed on the outer peripheral surface of the water conduit forming member 50 . More specifically, an upper sealing member holding groove 50u and a lower sealing member holding groove 50d are formed on the outer peripheral surface of the water passage forming member 50 between the upper end of the base member 16 and the lower end of the lower casing member 72. Each of them protrudes (see FIG. 2), and a tubular secondary flow path 78 is formed therebetween. Inside the water passage forming member 50, the hot water passage 50f and the secondary side passage 78 communicate with each other.

An upper seal member 28, which is an annular elastic seal such as an O-ring, is held in the upper seal member holding groove 50u, and a similar annular elastic seal such as an O-ring is held in the lower seal member holding groove 50d. A lower seal member 22 is retained.
The upper sealing member 28 and the lower sealing member 22 respectively connect the water passage forming member 50 and the secondary side adapter member 64 watertightly to seal the cylindrical secondary side flow path 78 . .
In this embodiment, an upper reinforcing ring 30 is provided to reinforce the upper sealing member holding groove 50u, and similarly a lower reinforcing ring 20 is provided to reinforce the lower sealing member holding groove 50d.

Further, as shown in FIGS. 2 and 3, the faucet device 1 of the present embodiment has a spout portion 8b of the outer shell member 8 and an opening 64a formed on the side surface of the secondary side adapter member 64. A spout-side flow passage forming member 68 that is fixed and forms a spout flow passage 68a, and a spout forming member 70 that forms the spout 6 are provided.
The secondary channel 78 communicates with the spout channel 68 a of the spout channel forming member 68 via an opening 64 a formed in the side surface of the secondary adapter member 64 .
The configuration in which the secondary side adapter member 64, the spout side flow path forming member 68, the spout forming member 70, and the like are attached to the outer shell member 8 constitutes the outer shell unit of the present embodiment.
Each element of the outer shell unit is normally assembled together before being attached to the functional unit 19, but several subunits may be assembled together while being sequentially attached to the functional unit 19.

As shown in FIGS. 2 and 3, the faucet device 1 of the present embodiment has a C-ring extending upward from below between the outer shell member 8 and the operation handle 2 located thereabove. 32, a sealing member 34, a fixing member 36, and a fastener 38 (a screw 38a and a cap 38b).
These members 32 , 34 , 36 , 38 hold the functional unit 19 inserted into the secondary side adapter member 64 watertight from above.

Further, as shown in FIG. 2, a generally semi-cylindrical locking member 62 is provided between the outer shell member 8 and the secondary side adapter member 64 . The locking member 62 is provided with a fitting groove 62g that fits into the spout-side flow passage forming member 68. As shown in FIG. In addition, a fitting protruding edge portion 62 f that is folded inward is formed on the opposing end edge portion of the locking member 62 , and the fitting protruding edge portion 62 f is formed on the outer peripheral surface of the secondary side adapter member 64 . The locking member 62 is fixed to the secondary side adapter member 64 by being accommodated in the corresponding accommodation groove 64g formed in . The locking member 62 is made of metal, for example, in order to ensure sufficient strength.

The end of the spout-side flow passage forming member 68 on the side of the secondary-side adapter member 64 is inserted into the opening 64a provided on the side of the secondary-side adapter member 64 via a seal member 68s, which is an O-ring, for example. , is inserted and fixed.
A flange-like projecting portion 68f is provided on the outer peripheral surface of the spout-side flow path forming member 68 in the vicinity of the end of the spout-side flow path forming member 68 on the secondary side adapter member 64 side.
The locking member 62 locks the spout side surface (excluding the lower side surface) of the flange-like projecting portion 68f so that the spout side flow passage forming member 68 is separated from the secondary side adapter member 64. It is designed to prevent escape. Specifically, the fitting groove 62g of the locking member 62 allows fitting with a portion (fitting groove 68g) adjacent to the spout side of the projecting portion 68f of the spout-side flow passage forming member 68. On the other hand, it is formed in a shape or size that does not allow passage of the projecting portion 68f.

Further, a rib portion 68r is provided on the lower outer peripheral surface of the spout-side flow path forming member 68 in the vicinity of the end of the spout-side flow path forming member 68 on the secondary side adapter member 64 side. A lower region of the rib portion 68r extends toward the secondary side adapter member 64 (extends toward the end portion of the spout side flow path forming member 68 on the side of the secondary side adapter member 64) to form a secondary side It abuts on the adapter member 64 .
As a result, the rib portion 68r in contact with the secondary side adapter member 64 functions like a "holding bar", and the spout side passage forming member 68 bends downward ("bows"). It is designed to effectively suppress the occurrence of the event.

In the water faucet device 1 according to the present embodiment configured as described above, as described above, the hot water passage 16a of the base member 16 and the hot water supply passage 44 of the water passage forming member 50 are used for hot water on the base side. The water passage 16b of the pedestal member 16 and the water supply passage 46 of the water passage forming member 50 are watertightly connected via the pedestal side water face seal portion 81b. It is
Then, the end portion of the water conduit forming member 50 on the side of the base member 16 is attached to the base member 16 via the common shaft seal member 42 surrounding the hot water supply channel 44 and the water supply channel 46 in the water conduit forming member 50. It fits into the provided fitting hole 16h.
As a result, the common shaft seal member 42 enhances the hot water and cold water leakage prevention effect, so that the concern about the hot water and cold water leakage is remarkably small. On the other hand, since the common shaft seal member 42 is provided in common for hot water and cold water, it is thinner than the conventional structure in which the shaft seal for hot water and the shaft seal for cold water are provided independently. It is possible to design

Further, according to the faucet device 1 according to the present embodiment, the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b are part of the common pedestal side surface seal member 81, respectively.
This reduces the number of component types.
In addition, it is easy to adjust the balance of the surface sealing force of the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b (there is little concern that the balance will be disturbed).

Further, according to the water faucet device 1 according to the present embodiment, as described above, in the region where the water conduit forming member 50 and the pedestal member 16 face each other, the pedestal side hot water surface seal portion 81a and the pedestal side water surface There is an imbalance in the arrangement of the seal portions 81b. Specifically, the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b are arranged axially symmetrically with respect to the common axis of the substantially cylindrical water passage forming member 50 and the pedestal member 16. not
However, the pedestal side seal member 81 of this embodiment further has an auxiliary elastic portion 81c having an auxiliary opening 81f in order to compensate for such bias.
As a result, the balance between the surface sealing forces of the pedestal side hot water surface seal portion 81a and the pedestal side water surface seal portion 81b is preferably adjusted. In addition, it is effectively suppressed that the water passage forming member 50 and/or the pedestal member 167 are inclined due to the pedestal side hot water surface seal portion 81a and/or the pedestal side water surface seal portion 81b. there is

Moreover, according to the faucet device 1 according to the present embodiment, the base member 16 is made of metal.
As a result, the manufacturing error of the base member 16 is suppressed, and the inclination of the base member 16 is significantly suppressed.
In addition, by fitting the end portion of the water passage forming member 50 on the side of the base member into the fitting hole 16h of the metal base member 16, the inclination of the water passage forming member 50 is effectively suppressed.

Further, according to the water faucet device 1 according to the present embodiment, the water passage forming member 50 and the base member 16 are fixed using the mechanical engagement pin 58, and the common shaft seal member 42 is mechanically engaged. It is arranged closer to the base member 16 than the pin 58 is.
As a result, the fixing performance of the mechanical engagement pin 58 and the sealing performance of the common shaft seal member 42 do not interfere with each other.

Further, according to the water faucet device 1 according to the present embodiment, the portion where the common shaft seal member 42 of the water passage forming member 50 is arranged (held) (the portion in which the shaft seal member holding groove 50g is formed) is a water passage It is more preferable that the portion of the forming member 50 where the mechanical engagement pin 58 is arranged (locked) (the portion in which the engagement hole 50e is formed) is thinner.
According to this, during the operation of fitting the water passage forming member 50 and the base member 16, the side of the pin engagement hole 16e of the base member 16 for allowing the mechanical engagement pin 58 to pass through is secured to the common shaft seal member. It is possible to reduce the possibility of damage to the common shaft seal member 42 when the common shaft seal member 42 passes.

Further, according to the faucet device 1 according to the present embodiment, the base member 16 is provided with the notch portion 16c adjacent to the fitting hole 16h, and the outer peripheral surface of the water passage forming member 50 is provided with the notch portion. A protruding portion 50p that engages with the base member 16c is provided, and the notch portion 16c and the protruding portion 50p are engaged with each other so that the base member 16 and the water passage forming member 50 are positioned in the circumferential direction. there is
According to this, the circumferential positioning of the base member 16 and the water passage forming member 50 can be achieved easily and reliably.

Further, according to the water faucet device 1 according to the present embodiment, the metallic casing member 40 is adapted to the outer shell member 8 and the water passage forming member 50 having a shape corresponding to the type of the water faucet device 1. It can be formed in a generally cylindrical shape from a metal plate or tube.
As a result, the dimensions and shape of the casing member 40 can be easily adjusted by a relatively inexpensive processing method compared to the case where the casing member 40 is injection-molded with a resin material or the case where the casing member 40 is cast-molded with a metal material. .
Moreover, since the casing member 40 is formed of a metal plate material or pipe material in a substantially cylindrical shape, the casing member 40 can be formed thin while maintaining necessary strength. Thereby, the internal dimensions of the faucet device 1 can be suppressed.

Further, according to the water faucet device 1 according to the present embodiment, the single lever cartridge 54 can be arranged on the bottom portion 74a of the upper casing member 74 as shown in FIGS. As a result, the single lever cartridge 54 can be reliably held by the bottomed upper casing member 74 .

Furthermore, according to the water faucet device 1 according to the present embodiment, when the bottomed upper casing member 74 is formed, the metal plate material is subjected to a drawing process, so that there is no seam due to welding or the like. , can be integrally formed in the shape of a bottomed cup.
As a result, there is no possibility that the water around the single lever cartridge 54 held by the upper casing member 74 will come into contact with the seams such as welds of the upper casing member 74 .
Therefore, the risk of the metallic upper casing member 74 being corroded can be reduced.

Further, according to the faucet device 1 according to the present embodiment, the notch portion 72c is provided on the side surface of the lower casing member 72, and the protrusion portion that fits into the notch portion 72c is provided on the outer peripheral surface of the water conduit forming member 50. 50c is provided, and the lower casing member 72 and the water passage forming member 50 are positioned in the circumferential direction by fitting the cutout portion 72c and the projection portion 50c to each other.
According to this, the positioning of the lower casing member 72 and the water conduit forming member 50 in the circumferential direction can be achieved easily and reliably.

Further, according to the faucet device 1 according to the present embodiment, the tubular secondary flow path 78 is formed on the outer peripheral surface of the water conduit forming member 50 .
As a result, hot water guided from the single lever cartridge 54 to the inside of the water passage forming member 50 is provided on the side surface of the support 8a of the outer shell member 8 via the cylindrical secondary side passage 78. It is easier to lead further towards the spout portion 8b.

Further, according to the faucet device 1 according to the present embodiment, the annular upper seal member 28 that seals the upper side of the cylindrical secondary side flow path 78 and the lower side of the cylindrical secondary side flow path 78 are A sealing annular lower seal member 22 is further provided.
Thereby, the tubular secondary flow path 78 can be designed with a high degree of freedom, and in particular, the arrangement of the spout portion 8b and the like can be designed with a high degree of freedom. In addition, adoption of a mode in which the spout portion 8b rotates with respect to the support portion 8a can be designed with a high degree of freedom.

Further, according to the faucet device 1 according to the present embodiment, the secondary side adapter member 64 is provided between the water passage forming member 50 and the casing member 40 and the outer shell member 8 . is supported by the pedestal member 16 via the water passage forming member 50 and the casing member 40 , and the spout side passage forming member 68 is fixed by the secondary side adapter member 64 .
Thereby, the spout-side flow path forming member 68 is supported by the base member 16 via the secondary-side adapter member 64 . Therefore, the support of (at least part of) the spout-side flow path forming member 68 can be released from the outer shell member 8, and the strength required of the outer shell member 8 can be reduced.

Further, according to the faucet device 1 according to the present embodiment, the end portion of the spout-side flow path forming member 68 on the side of the secondary-side adapter member 64 is connected to the secondary-side adapter via the seal member 68s such as an O-ring. It is inserted into an opening 64a provided in the member 64 and fixed.
Thereby, the spout-side flow path forming member 68 can be effectively supported by the secondary-side adapter member 64 .

Further, according to the faucet device 1 according to the present embodiment, in the vicinity of the end portion of the spout-side flow path forming member 68 on the secondary side adapter member 64 side, the flange-like shape is formed on the outer peripheral surface of the spout-side flow path forming member 68. A locking member 62 is provided with a protruding portion 64f, and prevents the spout-side flow path forming member 68 from slipping out of the secondary side adapter member 64 by locking the surface of the protruding portion 64f on the water outlet side. , are supported by the secondary side adapter member 64 .
This effectively prevents the spout-side flow path forming member 68 from slipping out of the secondary-side adapter member 64 .
In addition, since the locking member 62 is supported (for example, fixed) on the secondary side adapter member 64, the locking force is also supported by the base member 16 via the secondary side adapter member 64, and the outer shell Undesired loading of the member 8 does not occur.

As for the shape of the protruding portion 64f, a flange shape is preferred for ease of manufacture, but other shapes are not excluded at the time of the filing of this application.

When the locking member 62 is configured by a cylindrical member along the outer peripheral surface of the secondary side adapter member 64 or a wall-shaped member having an arc-shaped cross section (for example, a C-shaped cross section), the size of the faucet device 1 can be reduced. is not hindered (an increase in the diameter of the faucet device 1 is suppressed).

As shown in FIG. 2, the fitting groove 62g of the locking member 62 of this embodiment has a semicircular shape on the upper side and a rectangular shape on the lower side when viewed from the front of the groove. Any shape or size that allows the portion adjacent to the spout side to fit into the projecting portion 64f and does not allow passage of the projecting portion 64f is not excluded.

Further, according to the faucet device 1 according to the present embodiment, in the vicinity of the end of the spout-side flow path forming member 68 on the secondary side adapter member 64 side, the outer peripheral surface of the spout-side flow path forming member 68 on the lower side A rib portion 68r is provided at the lower side of the rib portion 68r, and the lower side region of the rib portion 68r extends toward the secondary side adapter member 64 (the end of the spout side flow path forming member 68 on the secondary side adapter member 64 side). ) and abuts the secondary adapter member 64 .
As a result, the rib portion 68r in contact with the secondary side adapter member 64 functions like a "holding bar", and the spout side flow passage forming member 68 bends downward ("bows"). The occurrence of events can be effectively suppressed.

In the above embodiment, the end portion of the water passage forming member 50 on the side of the base member 16 forms the common shaft seal member 42 surrounding the hot water supply passage 44 and the water supply passage 46 in the water passage forming member 50. Although it is adapted to be fitted into the fitting hole 16h provided in the base member 16 through the base member 16, it is not limited to this aspect, and the concave-convex relationship is reversed so that the water passage forming member 50 side of the base member 16 is fitted. is fitted into a fitting hole provided in the water passage forming member 50 via a common shaft seal member 42 surrounding the water passage 16a and the water passage 16b in the base member 16. good too.

REFERENCE SIGNS LIST 1 faucet device according to one embodiment of the present invention 2 operating handle 4 spout 6 spout 8 outer shell member 8a strut portion 8b spout portion 10 hot water supply pipe (primary flow path)
12 Water supply pipe (primary side flow path)
16 Pedestal member 16a Water passage 16b Water passage 16e Engaging hole 16h Fitting hole 19 Functional part unit 20 Lower reinforcing ring 22 Lower sealing member 28 Upper sealing member 30 Upper reinforcing ring 32 C ring 34 Sealing member 36 Fixing member 38 Fastener 38a screw 38b cap 40 casing member 42 shaft seal member 44 hot water supply channel (primary side channel)
46 water supply channel (primary side channel)
50 water passage forming member 50f hot water passage 50c protrusion 50b engagement hole 50u upper seal member holding groove 50d lower seal member holding groove 50e engagement hole 50p protrusion 50g shaft seal member holding groove 54 single lever cartridge 54a single lever cartridge Fixed valve body 54b Movable valve body of single lever cartridge (on-off valve)
54c Lever of single lever cartridge 54d Water passage in single lever cartridge (primary side passage)
54e Water passage in single lever cartridge (primary side passage)
54f Hot water mixing channel (secondary side channel) in single lever cartridge
56 Cartridge pressing member (fixing member)
56a Male screw 58 Mechanical engagement pin for holding the base member 60 Mechanical engagement pin for holding the casing member 62 Locking member 62g Fitting groove 62f Fitting protruding edge 64 Secondary side adapter member 64a Opening 64g Receiving groove 68 Spout-side channel forming member 68a Spout channel 68f Protruding portion (flange shape)
68g fitting groove 68s sealing member (for example, O-ring)
68r rib portion 70 spout forming member 72 lower casing member 72b upper pin engagement hole 72c notch portion 74 upper casing member 74a bottom portion of upper casing member 74b flange portion of upper casing member 74d hot water side communication hole at the bottom portion of upper casing member 74e Water side communication hole at the bottom of the upper casing member 74f Hot water communication hole at the bottom of the upper casing member 76 Upper annular member 76a Female screw 78 Secondary side flow path 81 Base side seal member 81a Base side hot water surface seal portion 81b Base side Water face seal portion 81c Auxiliary elastic portion 81d Hot water opening 81e Water opening 81f Auxiliary opening 82 Second face seal member 82a Hot water face seal portion 82b Water face seal portion 82c Auxiliary elastic portion 82d Hot water opening 82e Water opening 82f auxiliary opening 83 third surface seal member 83a hot water surface seal portion 83b water surface seal portion 83c auxiliary elastic portion 83d hot water opening 83e water opening 83f auxiliary opening A1 rotation center axis, axial center of lower casing member Axis F1 Installation surface

Claims (7)

A faucet device capable of discharging and stopping hot water mixed with hot water supplied from a hot water supply source and water supplied from a water supply source,
a pedestal member fixed to an installation surface on which the faucet device is installed;
a functional unit fixed to the pedestal member and performing stop water discharge control and/or temperature control;
with
The pedestal member has a hot water passage and a water passage for supplying hot water and cold water, respectively,
The functional part unit includes a water passage forming member having a hot water supply passage and a water supply passage communicating with the hot water passage and the water passage of the base member, respectively; a cartridge for adjusting the mixing ratio and flow rate of hot water supplied from the passage,
The hot water passage of the pedestal member and the hot water supply passage of the water passage forming member are watertightly connected via a pedestal side hot water surface seal portion,
The water passage of the base member and the water supply passage of the water passage forming member are watertightly connected via a base-side water surface seal portion,
The end of the water passage forming member on the side of the base member is provided on the base member via a common shaft seal member surrounding the hot water supply passage and the water supply passage in the water passage forming member. Alternatively, the end portion of the base member on the side of the water passage forming member forms a common shaft seal member surrounding the hot water passage in the base member and the water passage. A faucet device characterized in that it is fitted into a fitting hole provided in the water passage forming member through an intervening hole. 2. The faucet device according to claim 1, wherein the pedestal side hot water face seal portion and the pedestal side water face seal portion are part of a common pedestal side face seal member. In the region where the water passage forming member and the pedestal member face each other, the arrangement of the pedestal side hot water surface seal portion and the pedestal side water surface seal portion is biased. 3. A faucet device according to claim 1 or 2, further comprising an auxiliary elastic portion. The base member is made of metal,
The end of the water passage forming member on the side of the base member is provided on the base member via a common shaft seal member surrounding the hot water supply passage and the water supply passage in the water passage forming member. The faucet device according to any one of claims 1 to 3, wherein the faucet device is adapted to be fitted in the fitting hole. The water passage forming member and the base member are fixed using a mechanical engagement pin,
5. The faucet device according to claim 4, wherein the common shaft seal member is arranged closer to the base member than the mechanical engagement pin. 6. The water according to claim 5, wherein a portion of the water passage forming member where the common shaft seal member is arranged is thinner than a portion of the water passage forming member where the mechanical engagement pin is arranged. bung device. The pedestal member is provided with a notch adjacent to the fitting hole,
The outer peripheral surface of the water passage forming member is provided with a protrusion that fits into the notch,
7. The pedestal member and the water passage forming member are positioned in the circumferential direction by fitting the notch portion and the projection portion together. faucet device according to the above.

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