JP2019218798A - Faucet device - Google Patents

Abstract

To provide a faucet device capable of enhancing the degree of freedom in design of the faucet device while securing water tightness, and of suppressing the cost of manufacture.SOLUTION: The faucet device 1 comprises: a pedestal member 16; a shell member 8; a metallic casing member 40 to be inserted in a column part 8a of the shell member; a hot water feed pipe 44 and a cold water feed pipe 46 for supplying hot water and cold water respectively; a single-lever cartridge 54; and connection members 50, 52 that are arranged inside the casing member and connect each of the hot water feed pipe and the cold water feed pipe with the single-lever cartridge. Seal members 22, 28 for water-tight sealing and seal holding members 24, 26 for holding the seal members are provided above and below an outflow hole 74 on the lateral surface of the casing member 74 respectively, and the upper-side seal holding member 26 engages with the lateral surface of the casing member from a lateral direction that is perpendicular to the axial direction of the casing member.SELECTED DRAWING: Figure 10

Description

  The present invention relates to a faucet device, and more particularly to a faucet device capable of discharging hot and cold water obtained by mixing hot water supplied from a hot water supply source and water supplied from a water supply source.

2. Description of the Related Art Conventionally, as a faucet device capable of discharging hot and cold water obtained by mixing hot water supplied from a hot water supply source and water supplied from a water supply source, for example, as described in Patent Document 1, a faucet There is known an apparatus having an outer shell member formed in a shape corresponding to the type of the apparatus.
A separate casing member is inserted inside the outer shell member of the conventional faucet device. The casing member has a built-in faucet function unit. The faucet function unit mixes hot water and water supplied from the water supply source and the water supply source through the primary flow path, and mixes the hot water and the water. It has a function to discharge hot water.

EP-A-2586919

However, in the above-described conventional faucet device, since the casing member inserted inside the outer shell member is formed of a resin material, the size and shape of the outer shell member according to the type of the faucet device are reduced. Accordingly, it is necessary to prepare a mold for injection molding, and there is a problem that the manufacturing cost is increased.
In addition, the resin casing member of the conventional water faucet device has a problem that its strength is lower than that of the metal casing member and its durability due to aging or the like is low. As a result, in order to ensure long-term safety, there is a problem that costs are required for maintenance such as inspection and replacement of parts.

On the other hand, if the casing member of the conventional faucet device is cast using a metal such as a copper alloy that is different from the resin material, it is necessary to take measures to regulate the elution of the lead component from the copper alloy. There is also a problem that the size of the casing member itself is increased, or a problem that the price is easily affected by a price fluctuation of the copper price.
Further, when a stainless steel material having high corrosion resistance is used for the casing member in consideration of the situation of the faucet device which is constantly exposed to hot and cold water, there is a problem that it is difficult to process the stainless material with high processing accuracy.
Therefore, realizing decopperized alloys and decasted products, utilizing materials other than copper alloys, and reducing the manufacturing cost for various specifications depending on the type of faucet equipment, increasing the degree of freedom in design. How to raise it is an issue that has been requested in recent years.
Furthermore, in order to ensure the watertightness of the internal flow path of the casing member, it is necessary to provide a sealing member such as a ring inside the casing member. However, when a thin metal plate or pipe is used as the casing member, there is a problem that it is difficult to form a groove for holding the seal member in the casing member by cutting or the like.

  Therefore, the present invention has been made to solve the above-described problems of the related art and the recently requested problems, and can improve the degree of freedom in designing a faucet device while ensuring watertightness. It is another object of the present invention to provide a faucet device capable of suppressing the manufacturing cost.

In order to solve the above-described problem, the present invention relates to a water faucet device capable of discharging hot and cold water obtained by mixing hot water supplied from a hot water supply source and water supplied from a water supply source, A pedestal member fixed to the installation surface on which the device is installed, and a substantially cylindrical support portion formed in a shape corresponding to the type of the faucet device and attached to the pedestal member, and laterally from the support portion An outer shell member having an extended spout portion, and a metal plate or a tube material having a size insertable into the support portion of the outer shell member and formed at least in a half-cylindrical shape, and a lower side thereof is formed in the pedestal member. A casing member to be fixed, a hot water supply pipe and a water supply pipe provided inside the casing member and extending from the pedestal member to a downstream side to form primary side flow paths for supplying hot water and water, respectively, and the casing Provided on the upper side of the member A single-lever cartridge, comprising: an on-off valve for opening and closing the hot water supply pipe and a secondary flow path downstream of the water supply pipe; and a single lever for opening and closing the on-off valve. And a connection member provided inside the casing member, the connection member connecting the downstream ends of the hot water supply pipe and the water supply pipe to the single lever cartridge, and the single lever A fixing member for fixing the cartridge to the connection member, and an outflow hole communicating with the outflow port on the side surface of the casing member near the outflow port of the secondary side flow path of the single lever cartridge. A watertight seal is formed between the outer surface of the casing member above the outflow hole and the inner surface of the pillar portion of the outer shell member. An upper seal member is provided, between the outer surface of the casing member below the outflow hole and the inner surface of the support portion of the outer shell member, a lower seal member that seals watertightly is provided, An upper seal holding member for holding the upper seal member is provided on a side surface of the casing member above the outflow hole, and the upper seal holding member is provided from a lateral direction perpendicular to an axial direction of the casing member. The upper seal member is configured to be engaged with a side surface of the casing member to hold the upper seal member.
In the present invention thus configured, the hot and cold water flowing out of the outlet of the single lever cartridge flows out of the casing member from the outlet hole of the casing member near the outlet of the secondary channel of the single lever cartridge. leak.
At this time, since the upper seal member is provided between the outer surface above the outflow hole in the casing member and the inner surface of the support portion of the outer shell member, the two can be sealed watertight.
Similarly, since the lower seal member is provided between the outer surface of the casing member below the outflow hole and the inner surface of the column of the outer shell member, the two members can be sealed watertight. .
In addition, the upper seal holding member provided on the side surface above the outflow hole of the casing member engages with the side surface of the casing member from a lateral direction perpendicular to the axial direction of the casing member, thereby forming the upper seal member. It can be securely held.
Thus, the upper seal holding member can reliably perform a water-tight seal with the upper seal member also around the casing member on which the single lever cartridge is provided.
Further, the upper-side seal member and the lower-side seal member allow the secondary-side flow path to be provided in a water-tight manner in a region around the casing member downstream of the outflow hole of the casing member.
As a result, the degree of freedom in designing the faucet device can be improved while ensuring watertightness, and the manufacturing cost can be suppressed.

In the present invention, preferably, the upper seal holding member contacts and holds the upper seal member from above, and holds and contacts the upper seal member from below. A lower upper seal holding member.
In the present invention configured as described above, each of the upper upper seal holding member and the lower upper seal holding member comes into contact with and sandwiches the upper seal member from above and below, thereby reliably stabilizing the upper seal member. Can be held.
Accordingly, the upper upper seal holding member and the lower upper seal holding member reliably restrict the movement of the upper seal member, so that stable watertightness can be secured.

In the present invention, preferably, a lower seal holding member for holding the lower seal member is provided on a side surface of the casing member below the outflow hole, and the lower seal holding member is provided in an axial direction of the casing member. The casing is configured to engage with the side surface of the casing member from a lateral direction perpendicular to the holding member to hold the lower seal member.
In the present invention thus configured, the lower seal holding member provided on the side surface below the outflow hole of the casing member is engaged with the side surface of the casing member from a lateral direction perpendicular to the axial direction of the casing member. By doing so, the lower seal member can be securely held.
Accordingly, the lower seal holding member can reliably perform watertight sealing together with the lower seal member also around the outflow hole of the casing member.
Further, by the upper seal member and the lower seal member, a region where water flows, such as a secondary flow path, around the casing member can be set to a minimum necessary range in the vertical direction, and watertightness can be improved. Can be secured.

In the present invention, preferably, the lower seal holding member contacts and holds the lower seal member from above, and holds and contacts the lower seal member from below. And a lower lower seal holding member.
In the present invention configured as described above, each of the upper lower seal holding member and the lower lower seal holding member comes into contact with and sandwiches the lower seal member from above and below, thereby reliably stabilizing the lower seal member. Can be held.
Therefore, since the lower seal member is reliably restricted from moving by the upper lower seal holding member and the lower lower seal holding member, stable watertightness can be secured.

In the present invention, preferably, the upper lower seal holding member and the lower upper seal holding member are provided integrally with each other.
In the present invention thus configured, the upper lower seal holding member that contacts and holds the lower seal member from above, and the lower upper seal holding member that contacts and holds the upper seal member from below. Since the members are provided integrally with each other, the positioning of the upper seal member and the lower seal member is facilitated.
Therefore, assemblability of the faucet device can be improved.

In the present invention, preferably, each of the upper lower seal holding member and the lower upper seal holding member is a part of a seal holding member provided integrally with each other, and the upper lower seal holding member in the seal member is provided. A holding member outflow hole is disposed in a side wall portion integrally connecting the member and the lower upper seal holding member, and the holding member outflow hole and the outflow hole of the casing member correspond to each other. It is arranged in the position to be.
In the present invention configured as described above, the number of components can be reduced by the seal holding member that integrally connects the upper lower seal holding member and the lower upper seal holding member.
Further, since the holding member outflow holes arranged on the side wall of the seal holding member correspond to the outflow holes on the side surface of the casing member, the upper lower seal holding member and the lower upper seal holding member are integrally formed with each other. Even with the connected seal holding members, each of the upper lower seal holding member and the lower upper seal holding member secures the outlet hole of the casing member without interfering with or closing the outlet hole of the casing member. can do. Thereby, the hot and cold water flowing out from the outlet of the secondary side flow path of the single lever cartridge can be reliably discharged to the downstream side.

In the present invention, preferably, the upper seal holding member is formed by cutting out a part of a substantially annular member in a circumferential direction, and has a substantially C-shape in plan view. It is a member.
In the present invention configured as described above, the upper upper seal holding member is formed by cutting out a part of the substantially annular member in the circumferential direction, and has a substantially C-shape in plan view. Since the C-ring member is provided on the casing member, the upper-side upper seal holding member can be easily attached to the casing member by hugging the upper-side seal holding member from outside the casing member.

In the present invention, preferably, each of the outer surface of the casing member and the inner surface of the C-ring member is formed at least substantially in a semi-arc shape in a plan view, and a radius of curvature of the outer surface of the casing member in a plan view is the same as that of the casing. The radius of curvature of the inner surface of the C-ring member before being attached to the outer surface of the member is set to be larger than the radius of curvature in plan view.
In the present invention thus configured, the radius of curvature of the outer surface of the casing member in plan view is set to be larger than the radius of curvature of the inner surface of the C-ring member in a state before being attached to the outer surface of the casing member. Therefore, the C-ring member attached to the outer surface of the casing member has a larger radius of curvature in plan view of the inner surface than the radius of curvature of the inner surface before being attached to the outer surface of the casing member. It will be elastically deformed.
Therefore, when the inner surface of the C-ring member is attached to the outer surface of the casing member, the inner surface of the C-ring member is held by the elastic member on the outer surface of the casing member. This makes it difficult for the C-ring member to come off the casing member, so that the C-ring member can be securely held by the casing member.

In the present invention, preferably, a projection protruding inward is provided on an inner surface of the C-ring member, and an engagement hole into which the projection is inserted and engageable is provided on an outer surface of the casing member. Have been.
In the present invention thus configured, a protrusion protruding inward is provided on the inner surface of the C-ring member, and the protrusion of the C-ring member can be inserted and engaged with the outer surface of the casing member. Since the engagement hole is provided, when the inner surface of the C-ring member is attached to the outer surface of the casing member, the protrusion on the inner surface of the C-ring member is inserted into the engagement hole on the outer surface of the casing member to be securely engaged. be able to.
Thus, the vertical position and the circumferential position of the C-ring member with respect to the casing member can be reliably determined, so that the faucet device can be easily assembled.

In the present invention, preferably, the insertion amount of the projection inserted into the engagement hole is set smaller than the depth dimension of the engagement hole.
In the present invention thus configured, the insertion amount of the protrusion on the inner surface of the C-ring member inserted into the engagement hole on the outer surface of the casing member is set to be smaller than the depth dimension of the engagement hole. Therefore, when the protrusion on the inner surface of the C-ring member is inserted into and engaged with the engagement hole on the outer surface of the casing member, it is possible to suppress the protrusion from protruding into the casing member.
Therefore, it is possible to suppress the protrusion of the C-ring member from interfering with the single lever cartridge or the like inside the casing member.

In the present invention, preferably, a part of the upper seal holding member in the circumferential direction is cut by a cut, and a corner portion of the cut that comes into contact with the upper seal member forms a curved surface.
In the present invention thus configured, since the corner of the cut of the upper seal holding member that holds the upper seal member is in contact with the upper seal member and forms a curved surface, the upper seal holding member is formed by the upper seal member. Is held, the corner of the cut of the upper seal holding member and the upper seal member can be brought into smooth contact with each other. Accordingly, it is possible to prevent the upper seal member from being damaged by contact with the corner of the cut of the upper seal holding member.

  ADVANTAGE OF THE INVENTION According to the faucet apparatus of this invention, the degree of freedom of design of a faucet apparatus can be improved, ensuring watertightness, and manufacturing cost can be suppressed.

It is the schematic perspective view which looked at the faucet device by 1st Embodiment of this invention from diagonally forward. It is an exploded perspective view of the whole faucet device by a 1st embodiment of the present invention. It is a center side sectional view of the faucet device by a 1st embodiment of the present invention. FIG. 2 is an exploded perspective view of the faucet function unit of the faucet device according to the first embodiment of the present invention. It is the perspective view which looked at the faucet function unit of the faucet device by 1st Embodiment of this invention from diagonally back. It is a front sectional view of a faucet functional unit of a faucet device by a 1st embodiment of the present invention, and shows a longitudinal section of each primary side channel of a hot water side and a water side. FIG. 4 is a partially enlarged cross-sectional view of a central side cross-sectional view of the faucet device according to the first embodiment of the present invention shown in FIG. FIG. 2 is an exploded perspective view of a casing member of the faucet device according to the first embodiment of the present invention. FIG. 9 is a sectional view taken along line IX-IX in FIG. 8. For the faucet function unit of the faucet device according to the first embodiment of the present invention, a lower lower seal holding member, a lower seal member, an upper lower seal holding member, a lower upper seal holding member, an upper seal member, and It is the disassembled perspective view which looked at each of the upper upper seal holding members from diagonally backward. FIG. 11 is a perspective view of an upper lower seal holding member of the faucet device according to the first embodiment of the present invention shown in FIG. 10. FIG. 11B is a partially enlarged perspective view of a cut portion of the upper lower seal holding member of the faucet device according to the first embodiment of the present invention shown in FIG. 11A. FIG. 11 is a perspective view of a lower upper seal holding member of the faucet device according to the first embodiment of the present invention shown in FIG. 10. FIG. 12B is a partially enlarged perspective view illustrating a cut portion of the lower upper seal holding member according to the first embodiment of the present invention shown in FIG. 12A. FIG. 8 is a partially enlarged cross-sectional view of the faucet device according to the first embodiment of the present invention shown in FIG. 7, in which respective portions of a lower upper seal holding member, an upper seal member, and an upper upper seal holding member are enlarged. It is the perspective view which looked at the upper part from the center of the faucet function unit of the faucet device by 2nd Embodiment of this invention from diagonally back. For the faucet function unit of the faucet device according to the second embodiment of the present invention, a lower lower seal holding member, a lower seal member, an upper lower seal holding member, a lower upper seal holding member, an upper seal member, and It is the disassembled perspective view which looked at each of the upper upper seal holding members from diagonally backward.

Hereinafter, a faucet device according to a first embodiment of the present invention will be described with reference to the accompanying drawings.
First, FIG. 1 is a schematic perspective view of a faucet device according to a first embodiment of the present invention as viewed obliquely from the front.
As shown in FIG. 1, a faucet apparatus 1 according to a first embodiment of the present invention mixes hot water supplied from a hot water supply source (not shown) and water supplied from a hot water supply source (not shown). This is a so-called "single-lever type" faucet device that discharges water and is installed on an installation surface F1 such as a kitchen sink or a counter of a sink.
That is, in this single-lever type faucet device 1, a single operation handle 2, called a “single lever”, is manually rotated, so that hot and cold water whose flow rate and temperature have been adjusted is spouted 4. The water is discharged from the water discharge port 6.

For example, as shown in FIG. 1, in the faucet device 1 of the present embodiment, first, when the operation handle 2 is set to the lowermost water stop operation position, the water is discharged from the water outlet 6 of the spout 4. Hot water is stopped.
Further, as shown in FIG. 1, when the operation handle 2 is rotated from the water stop operation position to the upper operation position, the hot water discharged from the water discharge port 6 of the spout 4 is set to the water discharge state. It has become.
That is, as the operation handle 2 is rotated upward (in the direction of the arrow “open” shown in FIG. 1) in the water discharge state, the flow rate of hot water is set to be larger, and the operation handle 2 is further lowered (arrow “ The flow rate of hot and cold water is set to be smaller as the rotating operation is performed in the "closed" direction).

Further, as shown in FIG. 1, the operation handle 2 pivots toward the water side (the arrow “C” side shown in FIG. 1) about a center axis (rotation center axis A1) extending in the vertical direction of the faucet device 1. When operated, the temperature of the hot and cold 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 operation handle 2 is turned around the rotation center axis A1 toward the hot water side (the arrow “H” side shown in FIG. 1), the spout 4 The mixing ratio of hot and cold water to be discharged is set to be large.

Next, the internal structure of the faucet device according to the first embodiment of the present invention will be specifically described with reference to FIGS.
FIG. 2 is an exploded perspective view of the entire faucet device according to the first embodiment of the present invention. FIG. 3 is a central side sectional view of the faucet device according to the first embodiment of the present invention.
First, as shown in FIGS. 2 and 3, the faucet apparatus 1 of the present embodiment includes a hollow outer shell member 8 formed in a shape according to the type or specification. The outer shell member 8 includes a column portion 8a extending in a substantially cylindrical shape in a vertical direction, and a spout portion 8b extending outward from a side surface of the column portion 8a.
Note that the outer shell member 8 may be formed of a metal material or a resin material.

Next, as shown in FIGS. 2 and 3, the faucet device 1 of the present embodiment has a hot water supply pipe 10, a water supply pipe 12, and a fixing fitting 14 (below the outer shell member 8 (upstream side)). A gripping metal 14a, a fastening metal 14b), and a pedestal member 16 are provided.
As shown in FIGS. 2 and 3, the pedestal member 16 is fixed by the horseshoe-shaped gripping metal 14 a and the fastening metal 14 b of the fixing metal 14 in a state where the pedestal member 16 is arranged on the installation surface F <b> 1 of the faucet device 1. I have.
As shown in FIG. 2, the pedestal member 16 is formed with a hot water hole 16a and a water hole 16b penetrating 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 hot water supply device is connected to the hot water passage hole 16a from below. Similarly, a water supply pipe 12 for supplying water from a water supply source (not shown) such as a water supply is connected to the water passage hole 16b from below.
Further, as shown in FIGS. 2 and 3, the faucet device 1 of the present embodiment includes a faucet function unit 18, which will be described in detail later, inside the support portion 8 a of the outer shell member 8.

Next, FIG. 4 is an exploded perspective view of the faucet function unit 18 of the faucet device 1 according to the first embodiment of the present invention. FIG. 5 is a perspective view of the faucet function unit 18 of the faucet device 1 according to the first embodiment of the present invention as viewed obliquely from behind.
As shown in FIGS. 4 and 5, the faucet device 1 according to the present embodiment includes a lower lower seal holding member 20, a lower seal member 22, an upper A lower seal holding member 24, a lower upper seal holding member 26, an upper seal member 28, and an upper upper seal holding member 30 are provided, respectively, and details thereof will be described later.
As shown in FIGS. 4 and 5, each of the lower seal member 22 and the upper seal member 28 provides watertightness between the outer surface of the faucet function unit 18 and the inner surface of the column 8 a of the outer shell member 8. Is to be sealed.
Further, as shown in FIGS. 4 and 5, each of the lower lower seal holding member 20 and the upper lower seal holding member 24 is also for holding the lower seal member 22, while the lower upper seal holding member is held. Each of the member 26 and the upper upper seal holding member 30 is for holding the upper seal member 28.

Further, as shown in FIGS. 2 and 3, the faucet device 1 of the present embodiment is configured such that the C-ring extends upward and downward between the outer shell member 8 and the operation handle 2 above the outer shell member 8. 32, a sealing member 34, a fixing member 36, and a fastener 38 (screw 38a, cap 38b).
These members 32, 34, 36, and 38 hold the faucet function unit 18 inserted into the support portion 8 a of the outer shell member 8 from above, in a watertight manner.

Next, FIG. 6 is a front sectional view of the faucet function unit 18 of the faucet device 1 according to the first embodiment of the present invention, and shows a longitudinal section of each of the primary side flow paths on the hot water side and the water side. FIG. 7 is a partially enlarged cross-sectional view showing an upper part of the faucet function unit 18 in the central side sectional view of the faucet apparatus 1 according to the first embodiment of the present invention shown in FIG.
First, as shown in FIGS. 3 to 7, the faucet function unit 18 of the faucet device 1 of the present embodiment includes a metal casing member 40 described in detail later. One end side (lower end side) of the metal casing member 40 is fixed to the pedestal member 16 in a state of being inserted into the column portion 8a of the outer shell member 8.

Next, as shown in FIG. 4 and FIG. 6, the faucet function unit 18 is arranged inside the casing member 40 from below to above and from inside to outside (or from upstream to downstream). , Shaft seal member 42 (hot water side shaft seal member 42a, water side shaft seal member 42b), hot water supply pipe 44, water supply pipe 46, shaft seal member 48 (hot water side shaft seal member 48a, water side shaft seal member 48b) , A primary side adapter member 50, a valve seat member 52, a single lever cartridge 54 (fixed valve body 54a, movable valve body 54b, single lever 54c), and a cartridge pressing member 56, respectively.
As shown in FIGS. 4 and 5, the faucet function unit 18 includes a mechanical engagement pin 58 for holding a pedestal member and a mechanical engagement pin 58 for holding a primary-side adapter member on the outer surface of the casing member 40. Each has an engagement pin 60.

As shown in FIGS. 4 and 6, each of the hot water supply pipe 44 and the water supply pipe 46 is connected to each of the hot water holes 16 a and 16 b of the lower pedestal member 16 and the upper primary side adapter member. A primary-side hot water passage and a primary-side water passage that connect the 50 hot water holes 50a and 50b to each other are formed.
As shown in FIG. 6, the hot water supply pipe 44 includes a lower connected portion 44a and an upper connected portion 44b. The lower connected portion 44a of the hot water supply pipe 44 is inserted into the hot side connection receiving portion 16c at the upper end (downstream end) of the hot water passage hole 16a of the base member 16 via the hot side shaft seal member 42a to be watertight. They are connected, so-called shaft-sealed. On the other hand, the upper connected portion 44b of the hot water supply pipe 44 is inserted into the hot water side connection receiving portion 50c at the lower end (upstream end) of the hot water hole 50a of the primary side adapter member 50 via the hot water side shaft seal member 48a. And water-tight, so-called shaft-sealed.
Similarly, as shown in FIG. 6, the water supply pipe 46 includes a lower connected portion 46a and an upper connected portion 46b. The lower connected portion 46a of the water supply pipe 46 is inserted into the water-side connection receiving portion 16d at the upper end (downstream end) of the water passage hole 16b of the pedestal member 16 via the water-side shaft seal member 42b to be watertight. They are connected, so-called shaft-sealed. On the other hand, the upper connected portion 46b of the water supply pipe 46 is water-tightly connected to the water-side connection receiving portion 50d at the lower end (upstream end) of the water passage hole 50b of the primary adapter member via the water-side shaft seal member 48b. It is a so-called shaft seal.

Next, as shown in FIG. 6, in the connection receiving portions 16c, 16d, 50c, 50d of the pedestal member 16 and the primary side adapter member 50, the connected portions 44a, 44b of the hot water supply pipe 44 and the water supply pipe 46, respectively. , 46a, 46b are provided with clearances d1, d2, d3, d4, respectively.
With these clearances d1, d2, d3, and d4, the connected portions 44a and 44b of the hot water supply tube 44 and the connected portions 46a and 46b of the water supply tube 46 are connected to the connection receiving portions 16c and 16d of the base member 16. In addition, the primary adapter member 50 can be moved while maintaining a watertight state within the range of the clearances d1 to d4 of the connection receiving portions 50c and 50d.

Next, as shown in FIGS. 4 to 7, a valve seat member 52 is water-tightly connected to the upper surface of the primary side adapter member 50, and a single lever cartridge 54 is provided on the upper surface of the valve seat member 52. Connected watertight. Each of the primary-side adapter member 50 and the valve seat member 52 is formed of a resin material such as polyphenylene sulfide (PPS) into a substantially cylindrical shape, and is a separate member from each other.
The primary side adapter member 50 and the valve seat member 52 are connected to the respective downstream ends of the hot water supply pipe 44 and the water supply pipe 46 by a single lever while sandwiching a bottom portion 74a of an upper casing member 74 described later in detail. The cartridge 54 functions as a connection member that connects the cartridges 54 to each other in a watertight manner.
Here, as shown in FIGS. 4 to 7, the structure of the single lever cartridge 54 is the same as the structure of a well-known single lever cartridge, and therefore detailed description is omitted. A fixed valve element 54a, a movable valve element 54b, and a lever 54c are provided upward.

Further, as shown in FIGS. 4 to 7, the fixed valve element 54 a is fixed to the bottom inside the single lever cartridge 54.
Next, as shown in FIGS. 6 and 7, the movable valve element 54b is arranged so as to be able to translate and rotate with respect to the upper surface of the fixed valve element 54a.
Further, as shown in FIGS. 6 and 7, 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 operation handle 2.
As shown in FIG. 6, each of the fixed valve body 54 a and the movable valve body 54 b has a hot water passage that is a primary side flow path that communicates with each of the hot water holes 52 a and the water holes 52 b of the valve seat member 52. A passage 54d and a water passage 54e are respectively formed.
As shown in FIG. 7, each of the fixed valve element 54a and the movable valve element 54b is a secondary flow path that mixes hot water and water supplied from each of the hot water paths 54d and 54e. Each of the hot and cold water mixing passages 54f is formed. The mixing ratio and flow rate of hot water supplied from the hot water passage 54d and the hot water passage 54e to the hot water mixing passage 54f are adjusted in accordance with the position of the movable valve body 54b.
As shown in FIGS. 5 and 7, the outlet 54g of the hot / water mixing passage 54f of the single lever cartridge 54 communicates with an outflow hole 74f on the side surface of the upper casing member 74 of the casing member 40 described in detail later. .

Next, as shown in FIGS. 3 and 7, the faucet device 1 according to the present embodiment is configured such that the outside of the casing member 40 on the side of the single lever cartridge 54 and the inside of the support portion 8 a of the outer shell member 8 are provided. , A secondary channel forming member 62, a secondary adapter member 64, and a spacer member 66 are provided.
As shown in FIGS. 3 and 7, the faucet device 1 of the present embodiment includes a spout-side flow path forming member 68 that forms a spout flow path 68 a in the spout portion 8 b of the outer shell member 8, and a discharge port. A spout forming member 70 that forms the spout 6.

Next, the details of the casing member 40 of the faucet device 1 according to the present embodiment will be described with reference to FIGS.
FIG. 8 is an exploded perspective view of the casing member 40 of the faucet device 1 according to the first embodiment of the present invention. FIG. 9 is a sectional view taken along line IX-IX in FIG.
As shown in FIGS. 4, 8, and 9, the metal casing member 40 of the faucet device 1 according to the present embodiment is configured such that the lower casing member 72, the upper casing member 74, Each of the upper annular members 76 is provided.
As a metal material of these members 72, 74, and 76, a stainless material (for example, SUS304 or the like) having relatively high corrosion resistance and relatively high durability and strength is used.
However, as for the metal material used for the metal casing member 40 of the faucet device 1 according to the present embodiment, other than the stainless steel material, a material having relatively high corrosion resistance and relatively high durability and strength is used. May be used.
As shown in FIGS. 4, 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. 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, the lower casing member 72 in a state before being welded to the upper casing member 74 has a metal dimension such that it can be inserted into the support portion 8 a of the outer shell member 8. It is formed in a substantially cylindrical shape by a plate material or a tube material.
For example, when the lower casing member 72 made of a substantially cylindrical metal is formed, a thin metal plate is formed into a curved shape by performing a bending process such as a roll forming process. The shell member 8 is formed in a substantially cylindrical shape with a size that can be inserted into the support portion 8a.
Alternatively, a metal pipe material having a diameter that can be inserted into the support portion 8a of the outer shell member 8 is prepared in advance, and the pipe material is subjected to cutting or cutting, so that the inside of the support portion 8a of the outer shell member 8 is cut. Adjust to the axial length dimension that can be inserted into
That is, when the metal lower casing member 72 is formed, no casting process using a mold or the like is employed, so that the lower casing member 72 is formed for each shape of the outer shell member 8 according to the type of the faucet device 1. There is no need to prepare a mold for molding the member 72.

Next, as shown in FIGS. 4, 8 and 9, below the side surface of the lower casing member 72, lower pin engaging holes 72 a penetrating in the radial direction by drilling or the like are spaced apart in the circumferential direction. A plurality is formed.
Thereby, as shown in FIGS. 3, 4, 8, and 9, the mechanical engagement pin 58 for holding the pedestal member is inserted from the outside into the lower pin engagement hole 72a. I have. After the mechanical engagement pin 58 engages with the lower pin engagement hole 72a, the inner end thereof engages with the engagement hole 16e on the side surface of the pedestal member 16.
Therefore, the lower pin engaging hole 72a of the lower casing member 72, the mechanical engaging pin 58 for holding the pedestal member, and the engaging hole 16e of the pedestal member 16 are connected to the lower casing member 72 by the mechanical engagement. In some cases, the pedestal member 16 functions as mechanical engagement means that can be held.

Similarly, as shown in FIGS. 4, 8 and 9, a plurality of upper pin engaging holes 72b are formed in the circumferential direction above the side surface of the lower casing member 72 by drilling or the like. ing.
Thereby, as shown in FIGS. 3, 4, 8 and 9, the mechanical engagement pin 60 for holding the primary side adapter member is inserted into the upper pin engagement hole 72b from the outside. Has become. After the mechanical engagement pin 60 engages with the upper pin engagement hole 72b, the inner end thereof engages with the engagement hole 50e on the side surface of the primary-side adapter member 50.
Therefore, the upper pin engaging hole 72b of the lower casing member 72, the mechanical engaging pin 60 for holding the primary adapter member, and the engaging hole 50e of the primary adapter member 50 are connected to the lower casing member 72. Function as mechanical engagement means for holding the primary-side adapter member 50 by mechanical engagement.

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 whose upper portion is open. It is a member of.
As shown in FIGS. 8 and 9, the upper casing member 74 is formed so as to extend substantially cylindrically upward from the bottom 74a.
Further, a flange portion 74b projecting outward is formed on the upper edge of the upper casing member 74.
For example, when forming such a bottomed cup-shaped upper casing member 74, a dimension that can be inserted into the support portion 8a of the outer shell member 8 by performing drawing or the like on a thin metal plate. To form a cup with a bottom.
That is, when the metal upper casing member 74 is formed, casting using a mold or the like is not employed, so that the upper casing member 74 is provided for each shape of the outer shell member 8 according to the type of the faucet device 1. There is no need to prepare a mold for molding.

Next, as shown in FIGS. 6, 7 and 9, in the bottom portion 74a of the upper casing member 74, each of the hot water side communication hole 74c, the water side communication hole 74d, and the mounting hole 74e is formed by drilling. Have been.
Incidentally, as shown in FIG. 6, the hot water side communication hole 74c of the bottom 74a of the upper casing member 74 allows the hot water hole 50a of the lower primary side adapter member 50 and the hot water hole 52a of the valve seat member 52 above. Can communicate.
Also, as shown in FIGS. 6 and 9, the water-side communication hole 74d of the bottom 74a of the upper casing member 74 allows the water-flow hole 50b of the primary-side adapter member 50 and the water-flow hole 52b of the valve seat member 52 to move downward. Can be communicated with.
Further, as shown in FIGS. 7 to 9, a projection 52 c projecting downward from the bottom surface of the valve seat member 52 above is inserted into the mounting hole 74 e of the bottom 74 a of the upper casing member 74, Is inserted into a mounting hole 50f of the primary side adapter member 50. As a result, the valve seat member 52 is fixed to the bottom 74a of the upper casing member 74.

Next, as shown in FIGS. 8 and 9, on the side surface of the upper casing member 74, a plurality of (for example, two) outflow holes 74 f are formed adjacent to each other in a circumferential direction by boring.
As shown in FIGS. 8 and 9, on the side surface of the upper casing member 74, a plurality of (for example, two) lower protrusion engaging holes are provided on the side circumferentially separated from the outflow holes 74 f. Each of the 74 g is formed diagonally to each other by a boring process.
Incidentally, as shown in FIGS. 2, 5, and 8, each lower protrusion engaging hole 74 g on the side surface of the upper casing member 74 is provided diagonally on the inner peripheral surface of the upper lower seal holding member 24. Each of a plurality of (for example, two) projections 24a is fitted. Thereby, the inner peripheral surface of the upper lower seal holding member 24 is held on the outer peripheral surface of the upper casing member 74.
Further, as shown in FIGS. 8 and 9, on the side surface of the upper casing member 74, a plurality (for example, two) of upper protrusion engagements is provided above each outflow hole 74 f and each lower protrusion engagement hole 74 g. Each of the holes 74h is formed diagonally to each other by drilling.
Incidentally, as shown in FIG. 2, FIG. 5, and FIG. 9, each upper projection engaging hole 74h on the side surface of the upper casing member 74 is provided diagonally on the inner peripheral surface of the lower upper seal holding member 26. Each of a plurality (for example, two) of projections 26a is fitted. Thus, the inner peripheral surface of the lower upper seal holding member 26 is held against the outer peripheral surface of the upper casing member 74 at a position higher than the upper lower seal holding member 24.
After these holes are formed, as shown in FIGS. 8 and 9, the outer edge and the lower edge of the bottom portion 74 a of the cup-shaped upper casing member 74 having a bottom are located inside the upper opening edge 72 c of the lower casing member 72. The outer edge and lower edge of the bottom 74a of the upper casing member 74 and the upper opening edge 72c of the lower casing member 72 are welded to each other. Thereby, 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.

Next, as shown in FIGS. 8 and 9, the upper annular member 76 before being welded to the upper casing member 74 is made of a metal having a size that can be inserted into the support portion 8 a of the outer shell member 8. It is formed in a substantially annular shape by a plate material or a tube material.
For example, when forming the substantially annular metal upper annular member 76, a metal tube material having a diameter that can be inserted into the support portion 8a of the outer shell member 8 is prepared in advance, and this tube material is cut. By performing processing or cutting, the length of the outer shell member 8 is adjusted to an axial length that can be inserted into the support portion 8a.
That is, when the upper annular member 76 made of metal is formed, casting using a mold or the like is not employed, so that the upper annular member 76 is formed for each shape of the outer shell member 8 according to the type of the faucet device 1. There is no need to prepare a mold for molding the member 76.

Next, as shown in FIGS. 8 and 9, a female screw 76 a is formed on the inner peripheral surface of the upper annular member 76 by female screw processing.
As shown in FIGS. 6 and 7, a male screw 56 a formed on the outer peripheral surface of the cartridge holding member 56 can be screwed by the female screw 76 a of the upper annular member 76, and the cartridge holding member 56 is connected to the casing member 40. Is fixed to the upper end portion (upper annular member 76) of the first member.
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 to form the upper casing member 74. And the lower end of the upper annular member 76 are integrally connected to each other.
In the faucet device 1 of the present embodiment, a female screw 76a is formed on the inner peripheral surface of the upper annular member 76 to form a female member, and a male screw 56a is formed on the outer peripheral surface of the cartridge holding member 56 to form a male member. Is adopted. However, the present invention is not limited to such a form. A male screw is formed on the outer peripheral surface of the upper annular member 76 to form a male member, and a female screw is formed on the inner peripheral surface of the cartridge pressing member 56 to be screwed together as a female member. You may employ | adopt the form made to make it.

Next, as shown in FIGS. 4 and 7, the primary adapter member 50 is held above the lower casing member 72 by a mechanical engagement pin 60, and the valve seat member 52 is connected to the upper casing member. It is held at the bottom 74 a within 74.
As shown in FIG. 7, the outer diameter D1 of the generally cylindrical primary-side adapter member 50 is set to be larger than the outer diameter D2 of the valve seat member 52 (D1> D2).

Next, as shown in FIG. 7, a single lever cartridge 54 is disposed above the valve seat member 52 in the upper casing member 74.
As shown in FIG. 7, the male screw 56 a of the cartridge holding member 56 is screwed into the female screw 76 a of the upper annular member 76 above the single lever cartridge 54, so that the single lever cartridge 54 is It is held in a pressed state above the inner valve seat member 52. That is, the cartridge pressing member 56 is a fixing member that fixes the single lever cartridge 54 to the valve seat member 52.
At this time, as shown in FIGS. 5 and 7, the outlet 54g of the hot / water mixing passage 54f of the single lever cartridge 54 communicates with the outlet hole 74f of the upper casing member 74.
5 and 7, a secondary flow path 78 is formed between the outer peripheral surface of the upper casing member 74 and the inner peripheral surface of the secondary flow path forming member 62 outside the upper casing member 74. ing. The hot water flowing out of the outlet 54g of the hot water mixing path 54f of the single lever cartridge 54 flows out to the secondary flow path 78 via the outflow hole 74f of the upper casing member 74.
Further, as shown in FIG. 7, the hot and cold water in the secondary flow path 78 flows from the outflow hole 62 a formed in the spout side surface of the secondary flow path forming member 62 into the secondary adapter member 64. After flowing out to the path 64a, it flows out to the spout flow path 68a in the spout side flow path forming member 68.

Next, with reference to FIGS. 2, 5, and 7 to 13, the lower lower seal holding member 20, the lower seal member 22, the upper lower The details of the seal holding member 24, the lower upper seal holding member 26, the upper seal member 28, and the upper upper seal holding member 30 will be described.
FIG. 10 shows the lower faucet function unit 18 of the faucet device 1 according to the first embodiment of the present invention, the lower lower seal holding member 20, the lower seal member 22, the upper lower seal holding member 24, and the lower upper seal. FIG. 4 is an exploded perspective view of each of a holding member 26, an upper seal member 28, and an upper upper seal holding member 30 as viewed obliquely from behind.

First, as shown in FIGS. 5, 7 and 10, the lower seal member 22 is disposed on the outer surface of the upper casing member 74 at a position below the outflow hole 74 f. The lower seal member 22 provides a watertight seal between the outer surface of the upper casing member 74 below the outflow hole 74f and the inner surface of the secondary-side flow path forming member 62 in the support portion 8a of the outer shell member 8. It is possible.
On the other hand, as shown in FIGS. 5, 7, and 10, the upper seal member 28 is disposed on the outer surface of the upper casing member 74 at a position higher than the outflow hole 74f. The upper seal member 28 provides a watertight seal between the outer surface above the outflow hole 74 f in the upper casing member 74 and the inner surface of the secondary-side flow path forming member 62 in the support portion 8 a of the outer shell member 8. It is possible.
Here, as these seal members 22 and 28, so-called X-rings, which are formed in an annular shape from a rubber material or the like and have a substantially X-shaped cross section, are employed.
However, the seal members 22 and 28 are not limited to X-rings, but may be so-called O-rings having a circular cross-sectional shape.

Next, as shown in FIGS. 5, 7, and 10, each of the lower lower seal holding member 20 and the upper lower seal holding member 24 has an outer surface below the outflow hole 74 f of the upper casing member 74, The upper casing member 74 is engaged from a lateral direction perpendicular to the axial direction (a radially outer side of the upper casing member 74). In this state, the lower lower seal holding member 20 is in contact with and holds the lower seal member 22 from below, and the upper lower seal holding member 24 is in contact with the lower seal member 22. And is in contact with and held from above.
That is, the lower lower seal holding member 20 and the upper lower seal holding member 24 are in a state of holding the lower seal member 22 by sandwiching the lower seal member 22 from the lower side and the upper side.

As shown in FIGS. 5, 7, and 10, each of the lower upper seal holding member 26 and the upper upper seal holding member 30 has an upper surface on the outer surface above the outflow hole 74 f in the upper casing member 74. The casing member 74 is engaged from a lateral direction perpendicular to the axial direction (a radially outer side of the upper casing member 74). In this state, the lower upper seal holding member 26 is in contact with and holds the upper seal member 28 from below, and the upper upper seal holding member 30 is in contact with the upper seal member 28. And is in contact with and held from above.
That is, the lower upper seal holding member 26 and the upper upper seal holding member 30 hold the upper seal member 28 by sandwiching the upper seal member 28 from the lower side and the upper side.

Next, as shown in FIG. 10, each of the lower lower seal holding member 20, the upper lower seal holding member 24, the lower upper seal holding member 26, and the upper upper seal holding member 30 is formed in a substantially annular shape. A part of the formed member in the circumferential direction is cut out by each of cuts B1 to B4 in the axial direction (vertical direction).
That is, as shown in FIG. 10, the lower lower seal holding member 20 and the upper upper seal holding member 30 are so-called C-ring members, each of which has a substantially C-shape in plan view. They have the same shape. However, these members 20 and 30 are C-ring members having different shapes from the upper lower seal holding member 24 and the lower upper seal holding member 26.
Also, as shown in FIG. 10, the upper lower seal holding member 24 and the lower upper seal holding member 26 are so-called C-ring members, each of which is formed in a substantially C-shape in plan view. Have the same shape. However, the lower upper seal holding member 26 is arranged in the same state as the upper lower seal holding member 24 shown in FIG.
Further, each of the C-ring members 20, 24, 26, and 30 is formed of a material that can be elastically deformed, such as a resin or a metal, and is hung from the outside on the outer surface of the upper casing member 74. It can be elastically attached.
In the present embodiment, each of the C ring members 20, 24, 26, and 30 has a ring shape so as to make a substantially circular arc, but is elastically attached to the outer surface of the upper casing member 74 from the outside. If it can be attached, the shape does not have to be a substantially circular arc shape. In short, each of the C ring members 20, 24, 26, and 30 may have a ring shape having a shape that is equal to or greater than a semi-arc and less than one arc.

  Further, as shown in FIG. 10, the radius of curvature ρ1 of the outer peripheral surface of the upper casing member 74 in plan view is equal to each C-ring before being elastically attached to the outer peripheral surface of the upper casing member 74 (before elastic deformation). The radii of curvature ρ2 to ρ5 of the inner surfaces of the members 20, 24, 26, 30 in plan view are set to be larger (ρ1> ρ2, ρ3, ρ4, ρ5).

Next, FIG. 11A is a perspective view of the upper lower seal holding member 24 of the faucet device 1 according to the first embodiment of the present invention shown in FIG. FIG. 11B is a partially enlarged perspective view of a cut B2 portion of the upper lower seal holding member 24 of the faucet device 1 according to the first embodiment of the present invention shown in FIG. 11A.
FIG. 12A is a perspective view of the lower upper seal holding member 26 of the faucet device 1 according to the first embodiment of the present invention shown in FIG. FIG. 12B is a partially enlarged perspective view of a cut B3 portion of the lower upper seal holding member 26 of the faucet device 1 according to the first embodiment of the present invention shown in FIG. 12A.

First, as shown in FIGS. 2, 5, and 10 to 11A, a plurality of (for example, two) protrusions 24 a protruding inward are formed diagonally on the inner surface of the upper lower seal holding member 24. Is provided. Each projection 24a is inserted and engageable with each lower projection engagement hole 74g of the upper casing member 74 facing the inside in the radial direction.
Further, as shown in FIG. 11A, one protrusion 24a includes two small protrusions 24b and 24c which are divided into left and right in the circumferential direction by a cut B2 extending in the axial direction (vertical direction).
Similarly, as shown in FIG. 2, FIG. 5, FIG. 10 and FIG. 12A, a plurality of (for example, two) protrusions 26a protruding inward are each formed on a diagonal line on the inner surface of the lower upper seal holding member 26. It is provided above. Each of the protrusions 26a is inserted into and engageable with each of the upper protrusion engaging holes 74h of the upper casing member 74 facing the inside in the radial direction.
Further, as shown in FIG. 12A, one protrusion 26a includes two small protrusions 26b and 26c which are divided right and left in the circumferential direction by a cut B3 extending in the axial direction (vertical direction).

Further, as shown in FIGS. 5 and 7, in each of the upper lower seal holding member 24 and the lower upper seal holding member 26, each protrusion 24 a, 26 a is engaged with each of the engagement holes 74 g, 74 h of the upper casing member 74. As a result, the upper casing member 74 is held on the outer peripheral surface. In this state, the upper lower seal holding member 24 and the lower upper seal holding member 26 are provided integrally with each other via the upper casing member 74.
Further, as shown in FIGS. 5 and 7, when the upper lower seal holding member 24 and the lower upper seal holding member 26 are held on the outer peripheral surface of the upper casing member 74, the outflow of the upper casing member 74 is performed. The hole 74f is located between the upper lower seal holding member 24 and the lower upper seal holding member 26 in the vertical direction.

Next, FIG. 13 shows each part of the lower upper seal holding member 26, the upper seal member 28, and the upper upper seal holding member 30 in the faucet apparatus 1 according to the first embodiment of the present invention shown in FIG. It is the elements on larger scale sectional drawing which expanded.
As shown in FIG. 13, each upper projection engaging hole 74h of the upper casing member 74 penetrates the side wall of the upper casing member 74 in the radial direction.
In addition, as shown in FIG. 13, each projection 26 a of the lower upper seal holding member 26 is completely inserted and engaged with each of the upper projection engagement holes 74 h of the upper casing member 74, and When the inner peripheral surface of the side upper seal holding member 26 other than the projections 26a is in contact with the outer peripheral surface of the upper casing member 74, the insertion amount t1 of each projection 26a inserted into each engagement hole 74h. Is set smaller than the depth dimension T0 of each engagement hole 74h (t1 <T0).
Although not shown, each projection 24a of the upper lower seal holding member 24 is completely inserted into and engaged with each of the lower projection engagement holes 74g of the upper casing member 74. When the inner peripheral surface of the lower seal holding member 24 other than the projections 24a is in contact with the outer peripheral surface of the upper casing member 74, the insertion amount of each projection 24a inserted into each engagement hole 74g is also determined. , Are set smaller than the depth dimension of each engagement hole 74g.

Next, as shown in FIG. 11B, a corner R1 that contacts the upper surface of the lower seal member 22 near the lower end of the cut B2 of the upper lower seal holding member 24 forms a curved surface.
Similarly, as shown in FIG. 12B, a corner R2 that contacts the lower surface of the upper seal member 28 near the upper end of the cut B3 of the lower upper seal holding member 26 forms a curved surface.
Further, similarly, as shown in FIG. 10, a corner R3 in contact with the lower surface of the lower seal member 22 near the upper end of the cut B1 of the lower lower seal holding member 20 and a cut B4 of the upper upper seal holding member 30 are formed. The corner R4 near the lower end and in contact with the upper surface of the upper seal member 28 also forms a curved surface similar to the corners R1 and R2 described above.

Next, the operation of the water faucet device 1 according to the first embodiment of the present invention will be described with reference to the method of assembling the water faucet device 1.
First, according to the faucet device 1 according to the present embodiment, as shown in FIGS. 5 and 7, the hot water flowing out from the outlet 54 g of the single lever cartridge 54 is supplied to the secondary side flow path (hot water Outflow 74 f of the upper casing member 74 near the outlet 54 g of the mixing passage 54 f) flows out to the secondary flow path 78 outside the upper casing member 74.
At this time, as shown in FIGS. 5, 7, and 13, the outer side surface of the upper casing member 74 above the outflow hole 74f and the secondary side flow path forming member 62 in the support portion 8a of the outer shell member 8 are formed. Since the upper sealing member 28 is provided between the inner side surface and the inner side surface, the space between the two members 74 and 62 can be sealed watertight.
Similarly, the lower seal member 22 is also provided between the outer surface of the upper casing member 74 below the outflow hole 74f and the inner surface of the secondary-side flow path forming member 62 in the support portion 8a of the outer shell member 8. Since it is provided, the space between the two members 74 and 62 can be sealed watertight.
Further, the upper seal holding members 26 and 30 provided on the side surface of the upper casing member 74 above the outflow hole 74f are disposed in a lateral direction perpendicular to the axial direction of the upper casing member 74 (in the radial direction of the upper casing member 74). By engaging with the outer surface of the upper casing member 74 from the (outside), the upper seal member 28 can be reliably held in the vertical direction.
Accordingly, the upper seal holding members 26 and 30 can reliably perform water-tight sealing together with the upper seal member 28 also around the upper casing member 74 where the single lever cartridge 54 is provided.
Further, the upper seal member 28 and the lower seal member 22 allow the secondary flow path 78 to be provided in a watertight manner in a region around the upper casing member 74 downstream of the outflow hole 74f of the upper casing member 74. Can be.
As a result, the degree of freedom in designing the faucet device 1 can be improved while ensuring watertightness, and the manufacturing cost can be suppressed.

Further, according to the faucet device 1 according to the present embodiment, each of the upper upper seal holding member 30 and the lower upper seal holding member 26 comes into contact with and sandwiches the upper seal member 28 from above and below, thereby forming the upper seal. The member 28 can be reliably and stably held.
Accordingly, the upper upper seal holding member 30 and the lower upper seal holding member 26 reliably restrict the movement of the upper seal member 28, so that stable watertightness can be secured.

Further, according to the faucet device 1 according to the present embodiment, the lower seal holding members 20 and 24 provided on the side surface below the outflow hole 74f of the upper casing member 74 are arranged in the axial direction of the upper casing member 74. By engaging with the outer surface of the upper casing member 74 from the vertical lateral direction (outside in the radial direction of the upper casing member 74), the lower seal member 22 can be securely held.
Accordingly, the lower seal holding members 20 and 24 can reliably perform water-tight sealing together with the lower seal member 22 also around the lower side of the outflow hole 74f of the upper casing member 74.
Further, by the upper seal member 28 and the lower seal member 22, the area where water flows, such as the secondary flow path 78, around the upper casing member 74 can be set to the minimum necessary range in the vertical direction. At the same time, watertightness can be ensured.

In addition, according to the faucet device 1 of the present embodiment, the upper lower seal holding member 24 and the lower lower seal holding member 20 each contact the lower seal member 22 from above and below and sandwich the lower seal member 22, thereby forming the lower seal. The member 22 can be reliably and stably held.
Therefore, the lower seal member 22 is surely prevented from moving by the upper lower seal holding member 24 and the lower lower seal holding member 20, so that stable watertightness can be secured.

Furthermore, according to the faucet device 1 of the present embodiment, the upper lower seal holding member 24 that contacts and holds the lower seal member 22 from above, and the upper seal member 28 that contacts and holds the upper seal member 28 from below. The lower upper seal holding member 26 and the lower upper seal holding member 26 are provided integrally with each other via an upper casing member 74. This makes it easier to position the upper seal member 28 and the lower seal member 22 respectively.
Therefore, the assemblability of the faucet device 1 can be improved.

Further, according to the faucet device 1 according to the present embodiment, the outflow hole 74f is arranged on the side surface of the upper casing member 74 that connects the upper lower seal holding member 24 and the lower upper seal holding member 26.
Accordingly, even when the upper lower seal holding member 24 and the lower upper seal holding member 26 are integrally connected to each other by the side surface of the upper casing member 74, the upper lower seal holding member 24 and the lower Each of the upper seal holding members 26 can secure the outflow hole 74f of the upper casing member 74 without interfering with or closing the outflow hole 74f of the upper casing member 74.
Therefore, the hot and cold water flowing out from the outlet 54g of the secondary flow path (hot / water mixing path 54f) of the single lever cartridge 54 surely flows out of the outlet hole 74f of the upper casing member 74 to the downstream secondary flow path 78. Can be done.

  Further, according to the faucet device 1 of the present embodiment, each of the seal holding members 20, 24, 26, 30 is formed by cutting out a part of the substantially annular member in the circumferential direction, and the plan view thereof. Is a C-ring member having a substantially C-shape. Accordingly, when such C-ring members 20, 24, 26, 30 are provided on the outer surface of the upper casing member 74, the seal holding members 20, 24, 26, 30 are held from outside the upper casing member 74. Since it can be elastically attached as if to be attached, it can be easily assembled.

Further, according to the faucet device 1 according to the present embodiment, the radius of curvature ρ1 of the outer peripheral surface of the upper casing member 74 in a plan view is before elastically attached to the outer peripheral surface of the upper casing member 74 (before elastic deformation). The respective curvature radii ρ2 to ρ5 of the inner surface of each of the C ring members 20, 24, 26, 30 in the state are set larger than ρ2 to ρ5 in plan view (ρ1> ρ2, ρ3, ρ4, ρ5).
Accordingly, each of the C-ring members 20, 24, 26, and 30 attached to the outer peripheral surface of the upper casing member 74 has a radius of curvature of the inner surface in a plan view before being attached to the outer surface of the upper casing member 74. The direction in which the outer peripheral surface of the upper casing member 74 is elastically deformed radially outward such that the outer peripheral surface of the upper casing member 74 has a radius of curvature ρ1 in plan view larger than the radius of curvature ρ2 to ρ5, or the width of the cuts B1 to B4 increases. Will be elastically deformed.
Therefore, when the inner surfaces of the C-ring members 20, 24, 26, 30 are attached to the outer surface of the upper casing member 74, the inner surfaces of the C-ring members 20, 24, 26, 30 are held by the elastic force on the outer surface of the upper casing member 74.
This makes it difficult for the respective C-ring members 20, 24, 26, 30 to come off from the upper casing member 74, so that the respective C-ring members 20, 24, 26, 30 can be reliably held by the upper casing member 74.

Further, according to the faucet device 1 of the present embodiment, the inner surfaces of the upper lower seal holding member 24 and the lower upper seal holding member 26 are provided with protrusions 24a, 26a protruding inward, respectively. On the outer surface of the upper casing member 74, engagement holes 74g and 74h into which the projections 24a and 26a of the seal holding members 24 and 26 can be inserted and engaged are provided, respectively.
Thus, when the inner surfaces of the seal holding members 24 and 26 are attached to the outer surface of the upper casing member 74, the projections 24a and 26a on the inner surfaces of the seal holding members 24 and 26 are engaged with the respective outer surfaces of the upper casing member 74. It can be reliably inserted into the holes 74g and 74h.
Therefore, the vertical position and the circumferential position of each of the seal holding members 24 and 26 with respect to the upper casing member 74 can be reliably determined, so that the faucet device 1 can be easily assembled.

According to the faucet device 1 of the present embodiment, the protrusions 24a, 26a on the inner surfaces of the seal holding members 24, 26 inserted into the respective engagement holes 74g, 74h on the outer surface of the upper casing member 74. The insertion amount t1 is set to be smaller than the depth dimension T0 of each of the engagement holes 74g and 74h on the outer surface of the upper casing member 74 (t1 <T0).
Accordingly, when the projections 24a, 26a on the inner surfaces of the seal holding members 24, 26 are inserted into and engaged with the engagement holes 74g, 74h on the outer surface of the upper casing member 74, the projections 24a, 26a are Projection into the upper casing member 74 (inner than the inner peripheral surface of the upper casing member 74) can be suppressed.
Therefore, the protrusions 24a and 26a on the inner surfaces of the seal holding members 24 and 26 are also prevented from interfering with the single lever cartridge 54 and the like inside the upper casing member 74 (inner than the inner peripheral surface of the upper casing member 74). can do.

Furthermore, according to the faucet device 1 according to the present embodiment, as shown in FIGS. 10 to 12B, the corner R <b> 1 that contacts the upper surface of the lower seal member 22 near the lower end of the cut B <b> 2 of the upper lower seal holding member 24. , Forming a curved surface. Similarly, as shown in FIG. 12B, a corner R2 that contacts the lower surface of the upper seal member 28 near the upper end of the cut B3 of the lower upper seal holding member 26 forms a curved surface.
Further, similarly, although not shown in the drawings, a corner portion in contact with the lower surface of the lower seal member 22 near the upper end of the cut B1 of the lower lower seal holding member 20 shown in FIG. In the vicinity of the lower end of the cut B4, a corner that comes into contact with the upper surface of the upper seal member 28 also forms a curved surface similar to the corners R1 and R2 described above.
Thus, when the seal holding members 20, 24, 26, and 30 hold the seal members 22, 28, the corners R1 to R4 of the cuts B1 to B4 and the seal members 22, 28 are connected. Contact can be made smoothly.
Therefore, it is possible to prevent the seal members 22 and 28 from being damaged by contact with the corners R1 to R4 near the upper and lower ends of the cuts B1 to B4 of the seal holding members 20, 24, 26 and 30.

Next, a faucet device according to a second embodiment of the present invention will be described with reference to FIGS. 14 and 15.
FIG. 14 is a perspective view of an upper part of the faucet function unit of the faucet device according to the second embodiment of the present invention as viewed obliquely from the rear. FIG. 15 shows a lower faucet function unit of a faucet device according to a second embodiment of the present invention, in which a lower lower seal holding member, a lower seal member, an upper lower seal holding member, a lower upper seal holding member, It is the disassembled perspective view which looked at each of the upper seal member and the upper upper seal holding member from diagonally backward.
Here, in the faucet device 100 according to the second embodiment of the present invention shown in FIGS. 14 and 15, the same parts as those of the faucet device 1 according to the first embodiment of the present invention are denoted by the same reference numerals. Description is omitted.

First, as shown in FIGS. 14 and 15, in the faucet device 100 according to the second embodiment of the present invention, the seal holding member 124 that holds the upper side of the lower seal member 22 and the lower side of the upper seal member 28 respectively is used. Only the structure is different from the structure of the upper lower seal holding member 24 and the lower upper seal holding member 26 of the faucet device 1 according to the above-described first embodiment of the present invention.
That is, as shown in FIGS. 14 and 15, the seal holding member 124 of the faucet device 100 according to the second embodiment of the present invention is different from the upper lower seal holding member 24 of the faucet device 1 according to the first embodiment of the present invention. The lower upper seal holding member 26 is a single seal holding member provided integrally with each other.

Specifically, as shown in FIGS. 14 and 15, the seal holding member 124 is formed in a substantially cylindrical shape, and a part in the circumferential direction is cut out by a cut B101 in the axial direction (vertical direction). The lower seal holding part 124a, the side wall part 124b, and the upper seal holding part 124c are provided from the lower part to the upper part.
Thus, the lower seal member 22 is held between the lower lower seal holding member 20 and the lower seal holding portion 124a of the seal holding member 124. On the other hand, the upper seal member 28 is held between the upper seal holding portion 124c of the seal holding member 124 and the upper upper seal holding member 30.
Further, since the distance H101 in the axial direction (vertical direction) of the upper and lower ends of the side wall portion 124b of the seal holding member 124 is constant over the entire circumferential section, the seal holding member 124 is The upper seal member 28 also functions as a spacer that can keep the distance in the axial direction (vertical direction) constant.

Next, as shown in FIGS. 14 and 15, a holding member outflow hole 124 d is formed in the side wall portion 124 b of the seal holding member 124 so as to penetrate the seal holding member 124 in the radial direction.
As shown in FIGS. 14 and 15, a plurality (for example, two) of projections 124 e and 124 f are provided diagonally on the inner peripheral surface of the side wall 124 b of the seal holding member 124. These projections 124 e and 124 f are inserted into the upper projection engagement holes 74 h of the upper casing member 74 and can be engaged when the seal holding member 124 is attached to the faucet function unit 18.
Further, as shown in FIG. 14, in a state where the seal holding member 124 is attached to the faucet function unit 18, the holding member outflow hole 124 d is located radially outward with respect to the outflow hole 74 f on the side surface of the upper casing member 74. The outlet holes 74f and 124d are arranged adjacent to each other and correspond to each other.

According to the faucet device 100 according to the second embodiment of the present invention described above, the lower seal holding portion 124a and the upper seal holding portion 124c are partly connected by the seal holding member 124 integrally connected to each other via the side wall portion 124b. Points can be suppressed.
When the seal holding member 124 is attached to the faucet function unit 18, the holding member outflow hole 124 d of the side wall 124 b of the seal holding member 124 easily matches the outflow hole 74 f of the side surface of the upper casing member 74. be able to.
Thereby, even if the lower seal holding portion 124a and the upper seal holding portion 124c are the seal holding members 124 integrally connected to each other via the side wall portion 124b, the lower seal holding portion 124a and the upper seal holding portion 124c are not connected. Since each does not interfere with or block the outflow hole 74f of the upper casing member 74, the outflow hole 74f of the upper casing member 74 can be secured.
Therefore, the hot and cold water flowing out from the outlet 54g of the secondary side flow path (hot and cold water mixing path 54f) of the single lever cartridge 54 can be reliably discharged to the downstream side.

The metal casing member 40 used in the faucet devices 1 and 100 according to the first and second embodiments of the present invention has a dimension that can be inserted into the support portion 8a of the outer shell member 8. The embodiment in which the metal plate or tube is formed in a substantially cylindrical shape has been described.
However, in the present embodiment, the shape of the metal casing member is not necessarily limited to a perfect cylindrical shape formed continuously over the entire circumference, and may be a semi-cylindrical shape, or may be a semi-cylindrical shape. Further, the shape may extend in the circumferential direction and be less than a perfect cylinder, or may be less than a half cylinder. In short, the shape of the metal casing member may be at least a semi-cylindrical shape or a plate shape smaller than the semi-cylindrical shape.

DESCRIPTION OF SYMBOLS 1 Faucet apparatus by 1st Embodiment of this invention 2 Operation handle 4 Spout 6 Water outlet 8 Outer shell member 8a Support part 8b Spout part 10 Hot-water supply pipe (primary flow path)
12 Water supply pipe (primary channel)
14 Fixing bracket 14a Gripping bracket 14b Fastening bracket 16 Pedestal member 16a Hot water hole 16b Water water hole 16c Hot water side connection receiving part 16d Water side connection receiving part 16e Engagement hole 18 Water faucet function unit 20 Lower lower seal holding member (lower) Seal holding member)
22 Lower seal member 24 Upper lower seal holding member (lower seal holding member)
24a protrusion 24b protrusion 24c protrusion 26 Lower upper seal holding member (upper seal holding member, C ring member)
26a protrusion 26b protrusion 26c protrusion 28 upper seal member 30 upper upper seal holding member (upper seal holding member, C ring member)
32 C-ring 34 Seal member 36 Fixing member 38 Fastener 38a Screw 38b Cap 40 Casing member 42 Shaft seal member 42a Hot-side shaft seal member 42b Water-side shaft seal member 44 Hot-water supply pipe (primary flow path)
44a Lower connected part 44b Upper connected part 46 Water supply pipe (primary flow path)
46a Lower connection part 46b Upper connection part 48 Shaft seal member 48a Hot water side seal member 48b Water side shaft seal member 50 Primary side adapter member (connection member)
50a Hot water hole 50b Water water hole 50c Hot water side connection part 50d Water side connection part 50e Engagement hole 50f Mounting hole 52 Valve seat member (connection member)
52a Hot water hole 52b Water hole 52c Projection 54 Single lever cartridge 54a Fixed valve body of single lever cartridge 54b Movable valve body of single lever cartridge (open / close valve)
54c Lever operating part of single lever cartridge 54d Hot water passage (primary flow path) in single lever cartridge
54e Water channel in single lever cartridge (primary channel)
54f Hot / cold mixing path (secondary flow path) in single lever cartridge
54g Outlet of hot / water mixing path of single lever cartridge 56 Cartridge holding member (fixing member)
56a Male screw 58 Mechanical engagement pin for holding base member 60 Mechanical engagement pin for holding primary side adapter member 62 Secondary side channel forming member 62a Outflow hole 64 Secondary side adapter member 64a Channel 66 Spacer member 68 Spout side channel forming member 68a Spout channel 70 Water outlet forming member 72 Lower casing member 72a Lower pin engaging hole 72b Upper pin engaging hole 72c Upper opening edge 74 Upper casing member 74a Bottom portion of upper casing member (upper casing) (Bottom of member)
74b Flange portion of upper casing member 74c Hot water side communication hole at bottom of upper casing member 74d Water side communication hole at bottom of upper casing member 74e Mounting hole at bottom of upper casing member 74f Outflow hole at side of upper casing member 74g Upper casing Lower projection engagement hole on the side surface of the member (engagement hole on the side surface of the casing member)
74h Upper projection engagement hole on the side surface of the upper casing member (engagement hole on the side surface of the casing member)
76 Upper annular member 76a Female screw 78 Secondary channel 100 Water faucet device according to the second embodiment of the present invention 124 Seal holding member 124a Lower seal holding portion (upper lower seal holding member)
124b Side wall portion 124c Upper seal holding portion (lower upper seal holding member)
124d Retention member outflow hole 124e Projection 124f Projection A1 Rotation center axis B1 Break B2 Break B3 Break B4 Break B101 Break D1 Outer diameter of primary side adapter member D2 Outer diameter of valve seat member d1 Clearance d2 Clearance D4 Clearance D1 Clearance D1 Clearance Distance R1 Curved surface R2 Curved surface R3 Curved surface R4 Curved surface T0 Depth dimension of lower projection engagement hole of upper casing member t1 Insertion of projection of upper upper seal holding member inserted into lower projection engagement hole of upper casing member Quantity ρ1 Radius of curvature of the outer peripheral surface of the upper casing member in plan view ρ2 Curvature radius of the inner surface of the lower lower seal holding member in plan view before attachment ρ3 Curvature in plan of the inner surface of the upper lower seal holding member before attachment. Radius ρ4 Inner surface of lower upper seal holding member Ρ5 radius of curvature of the inner surface of the upper upper seal holding member in a state before attachment of the upper surface of the upper seal holding member before attachment.

Claims (11)

A faucet device that enables hot and cold water to be discharged by mixing 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,
An outer shell member having a substantially cylindrical support portion formed in a shape corresponding to the type of the faucet device and attached to the pedestal member, and a spout portion extending laterally from the support portion,
A casing member formed of a metal plate or tube in a size at least semi-cylindrical and dimensionally insertable into the support portion of the outer shell member, the lower side of which is fixed to the pedestal member;
A hot water supply pipe and a water supply pipe which are provided inside the casing member and extend from the pedestal member to a downstream side to form primary side flow paths for supplying hot water and water, respectively;
A single-lever cartridge provided on an upper side of the casing member, comprising: an on-off valve for opening and closing a hot water supply pipe and a secondary flow path downstream of the water supply pipe; A single lever cartridge with a single lever to allow operation,
A connection member that is provided inside the casing member and connects the downstream end of each of the hot water supply pipe and the water supply pipe to the single lever cartridge;
A fixing member for fixing the single lever cartridge to the connection member,
On the side surface of the casing member, an outflow hole communicating with the outlet is formed in the vicinity of the outlet of the secondary channel of the single lever cartridge,
An upper seal member is provided between the outer surface of the casing member above the outflow hole and the inner surface of the support portion of the outer shell member to seal watertightly,
Between the outer surface below the outflow hole in the casing member and the inner surface of the support portion of the outer shell member, a lower seal member that seals watertightly is provided,
An upper seal holding member for holding the upper seal member is provided on a side surface of the casing member above the outflow hole, and the upper seal holding member is provided in a lateral direction perpendicular to an axial direction of the casing member. A faucet device configured to engage with a side surface of the casing member to hold the upper seal member.   The upper seal holding member includes an upper upper seal holding member that contacts and holds the upper seal member from above, and a lower upper seal holding member that contacts and holds the upper seal member from below. The faucet device according to claim 1, further comprising:   A lower seal holding member for holding the lower seal member is provided on a side surface of the casing member below the outflow hole, and the lower seal holding member is provided in a lateral direction perpendicular to an axial direction of the casing member. The faucet device according to claim 1, wherein the faucet device is configured to engage with a side surface of the casing member to hold the lower seal member.   The lower seal holding member includes an upper lower seal holding member that contacts and holds the lower seal member from above, and a lower lower seal holding member that contacts and holds the lower seal member from below. The faucet device according to claim 3, comprising:   The faucet device according to claim 4, wherein the upper lower seal holding member and the lower upper seal holding member are provided integrally with each other.   Each of the upper lower seal holding member and the lower upper seal holding member is a part of a seal holding member provided integrally with each other, and the upper lower seal holding member and the lower upper seal of the seal member are provided. A holding member outflow hole is arranged in a side wall portion that integrally connects the holding member and the holding member, and the holding member outflow hole and the outflow hole of the casing member are arranged at positions corresponding to each other. The faucet device according to claim 5.   The upper seal holding member is a C-ring member formed by cutting out a part of a substantially annular member in a circumferential direction and having a substantially C-shaped shape in plan view. The faucet device according to any one of claims 6 to 13. Each of the outer surface of the casing member and the inner surface of the C-ring member is formed in at least a substantially semi-arc shape in plan view,
8. The water according to claim 7, wherein a radius of curvature of the outer surface of the casing member in plan view is set to be larger than a radius of curvature of the inner surface of the C ring member in a state before being attached to the outer surface of the casing member. Stopper device.   8. An inner surface of the C-ring member is provided with a protrusion protruding inward, and an outer surface of the casing member is provided with an engagement hole into which the protrusion can be inserted and engaged. 9. The faucet device according to 8.   The faucet device according to claim 9, wherein an insertion amount of the projection inserted into the engagement hole is set smaller than a depth dimension of the engagement hole.   The upper seal holding member is partially cut in a circumferential direction by a cut, and a corner portion in contact with the upper seal member at the cut forms a curved surface. The faucet device according to claim 1.

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