JP2019044431A - Faucet device - Google Patents

Abstract

To provide the faucet device that can reduce a number of parts, and can reduce a manufacturing cost and an assembly cost.SOLUTION: The faucet device has a switching handle 5 that can be rotated on a body part 11 of a faucet body. In the body part 11, a switching valve unit 20 for switching a flow channel is provided, and a socket member 27 is fixed to a tip of a main body 25 provided on an outer peripheral side of a housing 24 of a switching valve unit 20. The socket member 27 has a stationary portion 28 for bringing a stepped portion 24a of a housing 24 of the switching valve unit 20 into contact, a flange portion 29, and a body shaft portion 30 for extending into the switching handle 5 to prevent deflection, integrally formed. The stationary portion 28 is provided with a male screw part 28a which is screwed to a female screw part 25a of the main body 25, and a tip end surface 28b abutting against a step part 24a formed at an outer end of the housing 24.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a faucet device installed in a bathroom, a washroom or the like.

2. Description of the Related Art Conventionally, faucets that can switch between currants and showers, adjust flow rate, and adjust temperature are installed on walls and counters of bathrooms. For example, a faucet device having a faucet body in which a valve part or other faucet mechanism part is incorporated and a cover that covers the faucet body has been proposed. In this faucet device, a switching handle is installed at one end of the faucet body, and a temperature control (temperature adjustment) handle is installed at the other end.
The temperature control handle adjusts the temperature of the discharged water by rotating. The switching handle switches the water discharged from the water outlet on the curran side and the water discharged from the shower elbow (shower head) by rotating operation and adjusts the flow rate of the discharged water.

  For example, in the faucet device described in Patent Document 1, a switching valve provided in the faucet body by fixing a fixing nut having a substantially L-shaped cross section to the male screw portion on the inner surface of the body body inside the faucet body. The outer end of the unit is in contact with the fixing nut. This prevents the switching valve unit from moving outward due to water pressure or the like. Further, one end portion of the metal anti-bending socket is fixed by being bent to the outside of the fixing nut and screwed into the female screw portion on the outer surface of the main body, and the other end portion is extended into the switching handle.

  A slidable resin sliding ring provided at an outer end portion of the deflection preventing socket is in contact with a transmission shaft portion which is a small diameter portion of the casing of the switching handle. Since the transmission shaft portion of the switching handle is rotatable, wear can be suppressed even if the transmission shaft portion rotates while abutting against the sliding ring of the metal bending prevention socket by the rotation operation of the switching handle.

JP 2013-213313 A

  However, the switching handle of the faucet device described in Patent Document 1 described above has a drawback in that the fixing nut and the anti-bending socket are separate members, which increases the number of parts and increases the cost. In addition, since the two parts of the fixing nut and the anti-bending socket are assembled to the switching valve unit of the faucet body, there is a drawback that the number of assembling steps increases. For this reason, the faucet body and the fixing nut, the faucet body and the anti-bending socket have to be attached and detached during assembly and maintenance of the faucet device, and the work is complicated.

  This invention is made | formed in view of such a subject, Comprising: It aims at providing the water tap apparatus which reduced the number of parts and reduced the manufacturing cost and the assembly cost.

The faucet device according to the present invention is a faucet device provided with a rotatable handle on the faucet body, a valve body unit provided inside the faucet body, and a valve body unit fixed to the faucet body. And a socket member integrally formed with a fixed portion for preventing movement and a main shaft portion extending into the housing of the handle.
According to the present invention, the movement of the valve body unit due to the influence of water pressure and the like can be prevented by the fixing portion of the socket member, and the deflection and rattling of the handle can be prevented by the main body shaft portion extending into the housing. Since the fixing portion and the main body shaft portion are integrally formed, it is possible to reduce the number of parts and to reduce the manufacturing cost and the assembly cost.

Further, a drive shaft provided in the valve body unit and extending into the housing, a transmission shaft body for integrally rotating the drive shaft via the joint portion by rotation of the housing, and a main shaft portion of the socket member are provided. And a sliding portion that contacts the transmission shaft body, and the sliding portion is preferably disposed at substantially the same position in the axial direction as the joint portion of the drive shaft or at the faucet body side.
In the present invention, since the sliding portion provided on the socket member is installed at substantially the same position in the axial direction as the joint portion of the drive shaft or at the faucet body side, the deflection of the handle with respect to the faucet body is applied when a load is applied to the handle. Can be suppressed.

The socket member may be made of resin.
Alternatively, a drive shaft that is provided in the valve body unit and extends into the housing, and a transmission shaft body that integrally rotates the drive shaft through the joint portion by rotation of the housing, and the socket member is made of resin. The transmission shaft body may be in contact with the main body shaft portion of the socket member, and the main body shaft portion may be installed at substantially the same position in the axial direction as the joint portion of the drive shaft or at the faucet body side.
Even when the resin transmission shaft body abuts against the socket member when the handle is rotated, the socket member and the transmission shaft body can be prevented from being worn because the socket member is made of resin.

Moreover, it is preferable that ribs are provided in the casing of the handle at a predetermined interval in the circumferential direction, and the ribs extend to a position close to the socket member.
Since the rib in the handle extends to a position close to the socket member in the axial direction, the handle can be reinforced without interfering with the socket member.

  According to the water faucet device of the present invention, the valve body unit can be positioned and fixed by the fixing portion of the socket member, and the deflection and rattling of the handle can be prevented at the main body shaft portion. In addition, since the fixing member and the main body shaft portion are integrally formed in the socket member, the number of parts can be reduced and the manufacturing cost and the assembly cost can be reduced.

It is a principal part perspective view which shows the water faucet device by embodiment of this invention. It is a side view of the water faucet device shown in FIG. It is a principal part exploded view of the water faucet device shown in FIG. It is an AA principal part longitudinal cross-sectional view of FIG. 2 which shows a switching handle and a faucet body. It is an enlarged view of the fixing | fixed part of the housing and socket member of the switching valve unit shown in FIG. It is a fragmentary perspective view which shows the connection structure of a switching handle and a faucet main body. It is a side view of a socket member. FIG. 7 is a cross-sectional view of the switching handle shown in FIG. 6 taken along the line BB. It is a longitudinal cross-sectional view of a switching handle and a faucet body according to a modification.

Hereinafter, a faucet device 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
The faucet body 1 and the switching handle 5 of the faucet device 100 according to the embodiment will be described with reference to FIGS. 1 to 8.
A faucet device 100 according to the present embodiment shown in FIGS. 1 to 3 is installed in a bathroom, for example, to discharge hot water or water. The faucet device 100 has a faucet body 1 and a water-side crank leg 2 and a hot water-side crank leg 3 provided on the wall surface side thereof. A temperature control (temperature adjustment) handle 4 is installed on one side of the faucet body 1, and a switching handle 5 is installed on the other side.

The faucet body 1, the water-side crank leg 2, and the hot water-side crank leg 3 are covered with a cover body 6. For example, as shown in FIG. 2, the faucet device 100 is attached to a bathroom wall W, but can be installed in a bathroom counter or a washroom instead.
In the following description, the direction connecting the left side and the right side when viewing the faucet device 100 from the user side (the side opposite to the wall W side) is referred to as the left-right direction and the axial direction. The user side in the water faucet device 100 is the front side, the opposite side (wall W side) is the rear side, and the direction connecting these is called the front-rear direction.

  In FIG. 3, the faucet body 1 includes a water side connection pipe 12, a hot water side connection pipe 13, and a shower elbow 14 on the rear side of the body part 11, and a currant side water discharge port 15 at the lower part of the body part 11. . A shower hose (not shown) can be connected to the distal end of the shower elbow 14. In the faucet main body 1 of the present embodiment, the main body 11, the water side connecting pipe 12, the hot water side connecting pipe 13, the shower elbow 14, and the currant side spout 15 are made of a metal casting. Most of the outer surface of the main body 11 is not machined, polished, or plated, and the casting surface is exposed as it is.

  The main body 11 incorporates a mechanism unit such as a temperature control valve unit and a switching valve unit (not shown). The front portion of the main body 11 is formed in a cylindrical shape having the left-right direction as the axial direction. At both left and right end portions of the main body portion 11, operation shaft portions 11 s that protrude to the left and right sides are provided. The currant-side water discharge port 15 protrudes downward from the front portion and the lower portion of the main body portion 11. A currant cap 16 is screwed to a male screw formed at the lower end of the currant-side water discharge port 15.

The temperature control handle 4 is connected to an operation shaft portion 11 s that protrudes leftward from the left end portion of the main body portion 11. By rotating the temperature control handle 4, the temperature of water discharged from the shower head (not shown) of the shower hose connected to the shower elbow 14 and the currant-side water discharge port 15 can be adjusted.
The switching handle 5 is connected to an operation shaft portion 11 s that protrudes rightward from the right end portion of the main body portion 11. By rotating the switching handle 5, the water discharge from the shower head (not shown) of the shower hose connected to the shower elbow 14 and the water discharge from the currant water discharge port 15 are switched, and the shower elbow 14 and the currant are also switched. It is possible to adjust the flow rate of water discharged from the side water discharge port 15 and stop the water.

Next, the connection structure between the main body 11 of the faucet device 100 and the switching handle 5 according to the embodiment will be described in detail with reference to FIGS.
4 and 5, the switching handle 5 connected to the main body 11 is made of, for example, resin, and the operation casing 19 has an outer cylindrical portion 19a and an inner cylindrical portion 19b (transmission shaft) formed in a double tube shape. doing. The outer cylinder portion 19a forms an outer peripheral surface of the switching handle 5, and grip portions 19c and 19d are formed on the outer surface of the outer cylindrical portion 19a with a predetermined interval in the circumferential direction. When the switching handle 5 is rotated, the handle portions 19c and 19d facilitate the rotation operation of the user.

  The inner cylindrical portion 19b is bent at the axially outer end portion of the outer cylindrical portion 19a and extends inward in the axial direction as a small-diameter cylindrical portion, and a part thereof extends radially inward to drive shaft 21 (operated portion). The connecting shaft 22 is fixed to the shaft. A substantially spherical joint 21 a is provided at the tip of the drive shaft 21. An elastic claw 22a is formed at the distal end portion of the connecting shaft 22, and the joint portion 21a is covered and latched by the elastic claw 22a. Therefore, the connecting shaft 22 is connected to the drive shaft 21 and the joint portion 21a, and the drive shaft 21 rotates integrally by rotating the switching handle 5.

  The switching valve unit 20 incorporated in the operation shaft portion 11s of the faucet body 1 is connected to the drive shaft 21 so as to be integrally rotatable. The switching handle 5 rotates the drive shaft 21 to rotate a switching valve body (not shown) inside the housing 24 of the switching valve unit 20 to switch the flow path. The switching of the flow path is to switch between water discharged from the shower elbow 14 and water discharged from the water outlet 15 on the curran side. The switching handle 5 adjusts the flow rate of the water discharged from the shower elbow 14 and the water outlet 15 on the curran side, and switches between water discharge and water stop.

The outer peripheral side of the substantially cylindrical housing 24 of the switching valve unit 20 is covered with a cast body body 25. A female screw portion 25a and a male screw portion 25b are formed on the inner peripheral surface and the outer peripheral surface of the outer end portion in the axial direction of the main body 25, respectively. A stepped portion 24a is formed at the outer end of the housing 24 of the switching valve unit 20 over the entire circumference by a notch. A fixed portion 28 of a socket member 27 for preventing bending is mounted in contact with the step portion 24a. The socket member 27 is made of metal such as brass.
In the present embodiment, the male screw portion 25b on the outer peripheral side of the main body 25 is not used and may not be formed. In this case, the processing effort can be omitted. A cover body 6 is attached to the outer peripheral side of the main body body 25.

As shown in FIGS. 4 to 7, the socket member 27 includes a fixing portion 28 that protrudes inside the main body portion 11, a flange portion 29 that extends radially outward from the fixing portion 28, and an inner cylinder portion 19 b of the switching handle 5. And a cylindrical main body shaft portion 30 extending outward in the axial direction along the outer peripheral surface of the main body.
In FIG. 5, the substantially cylindrical fixing portion 28 of the socket member 27 has a male screw portion 28 a that engages with a female screw portion 25 a on the inner peripheral surface of the body body 25 on the outer peripheral surface, and a flange portion 29 adjacent thereto. The outer end surface 25c of the main body 25 is in contact with the contact surface 29a.

  Moreover, the front end surface 28b of the fixed portion 28 is in contact with the stepped portion 24a of the housing 24, and the front end surface 28b prevents the switching valve unit 20 from protruding outward due to water pressure. Note that the two surfaces of the front end surface 28b of the fixing portion 28 and the contact surface 29a of the flange portion 29 are in contact with the stepped portion 24a of the housing 24 and the outer end surface 25c of the main body 25, respectively. You may make it contact | abut as a positioning part, and may provide a slight clearance gap with the other. That is easier to align.

  The flange portion 29 of the socket member 27 is in contact with the outer end surface 25c of the main body 25 and protrudes radially outward. The main body shaft portion 30 of the socket member 27 extends outward in the axial direction from the flange portion 29 along the outer peripheral surface of the inner cylindrical portion 19b. A resin-made sliding ring 33 is formed on the inner peripheral surface of the outer end portion, for example. It is installed as a sliding part. The sliding ring 33 protrudes inward from the inner peripheral surface of the main body shaft portion 30 and is in contact with the outer peripheral surface of the inner cylindrical portion 19b. The main body shaft portion 30 does not contact the inner cylinder portion 19b.

Therefore, when the switching handle 5 is rotated with respect to the faucet body 1, the inner cylindrical portion 19 b of the operation housing 19 is slidably rotatable with respect to the sliding ring 33 of the metal socket member 27. At this time, even if the socket member 27 is made of metal and the inner cylindrical portion 19b is made of resin, the inner cylindrical portion 19b slides in contact with the main body shaft portion 30 of the socket member 27 via the sliding ring 33. Further, it is possible to suppress the wear of the inner cylinder portion 19b.
In the socket member 27, since the fixed portion 28, the flange portion 29, and the main body shaft portion 30 are integrally formed, the number of parts is reduced as compared with the above-described conventional technology, and the manufacturing cost and the installation cost can be reduced.

In the switching handle 5, a substantially circular opening 34 is formed at a connection portion between the inner cylinder portion 19 b and the outer cylinder portion 19 a, and a lid portion 35 that covers the opening 34 is attached. A watertight seal member 36 is mounted in a ring shape between the inner cylinder portion 19b and the lid portion 35.
A concave portion 35 a is formed on the inner surface of the lid portion 35. A pressing member 37 is fitted between the recess 35 a and the elastic claw 22 a that locks the joint portion 21 a of the drive shaft 21. The elastic claw 22 a of the connecting shaft 22 is pressed from the outside by the distal end cylindrical portion 37 a of the pressing member 37 and is engaged with the joint portion 21 a of the drive shaft 21. The switch handle 5 can also rotate the drive shaft 21 and the switching valve unit 20 integrally by the pressing member 37.

  4 and 8, a plurality of ribs 40 are provided at predetermined intervals in the ring-shaped space between the outer cylinder portion 19a and the inner cylinder portion 19b of the switching handle 5 (at intervals of about 60 degrees in the example shown in FIG. 8). They are arranged in the circumferential direction. The rib 40 is connected to the outer cylinder part 19a and the inner cylinder part 19b. The installation length of the rib 40 in the axial direction is from the connecting portion side between the inner tube portion 19b and the outer tube portion 19a to a close position where the rib 40 does not contact the sliding ring 33 and the main body shaft portion 30 of the socket member 27. Therefore, the operation casing 19 of the switching handle 5 can be reinforced by the rib 40. In addition, even if a load is applied in the direction in which the switching handle 5 is tilted with respect to the drive shaft 21 of the main body 11, the rib 40 can suppress deformation and tilting of the switching handle 5.

As shown in FIG. 4, the drive shaft 21 protrudes axially outward from the switching valve unit 20 of the main body 11 and extends into the switching handle 5. Moreover, the male main body 25 has a male screw portion 25a formed on the outer peripheral surface of the fixing portion 28 of the metal socket member 27 and screwed into a female screw portion 25a formed on the inner peripheral surface of the tip portion thereof. Further, the outer end surface 25c of the main body 25 is in contact with the contact surface 29a of the flange portion 29.
The socket member 27 has a main body shaft portion 30 extending from the main body portion 11 into the switching handle 5, and a sliding ring 33 provided at an outer front end portion thereof is substantially at the same position in the axial direction as the joint portion 21 a of the drive shaft 21. Is installed.

  Therefore, when the user operates the switching handle 5, even if a load is applied in a direction inclined with respect to the axial direction, for example, from the upper side to the lower side, the substantially cylindrical metal socket member 27 is made of the metal main body. Since it is held in mesh with the body 25, deflection can be prevented. In addition, since the fixing portion 28 of the socket member 27 is screwed on the inner peripheral surface of the main body body 25, the bending prevention strength is high.

Next, the relationship between the joint portion 21a of the drive shaft 21 and the sliding ring 33 provided on the distal end side of the main body shaft portion 30 of the socket member 27 will be described.
Normally, when considering the bending strength of the switching handle 5 with respect to the main body part 11 of the faucet body 1, the main body shaft part 30 of the socket member 27 extends to the outside longer than the spherical joint part 21 a of the drive shaft 21. It was considered that the deflection resistance was higher. However, it has been found by the present invention that the deflection preventing property is not necessarily high.
On the other hand, the switching handle 5 has ribs 40 arranged on the lid portion 35 side in order to suppress deformation of the operation casing 19. In order not to reduce the strength of the rib 40, the sliding ring 33 is not interfered with the rib 40. Therefore, in the switching handle 5, the sliding ring 33 of the socket member 27 cannot be greatly extended and separated from the joint portion 21a.
Further, when a deflection load is applied to the switching handle 5, the largest load is applied to the outer corner portion of the sliding ring 33 portion of the socket member 27.

Therefore, in the present embodiment, in the switching handle 5, the sliding ring 33 of the main body shaft portion 30 of the socket member 27 is installed so as to protrude at substantially the same position in the axial direction with respect to the joint portion 21a (see FIG. 4). Moreover, a high strength is obtained by forming a female screw portion 25a as an internal screw on the inner peripheral surface side of the tip of the metal body body 25 and screwing the male screw portion 28a of the fixing portion 28 in the socket member 27 from the inner peripheral surface side. And ensure rigidity. Since the switching handle 5 has the socket member 27 and the joint portion 21a of the drive shaft 21 therein, a high deflection preventing characteristic can be obtained.
Note that the temperature control handle 4 has the same configuration as the switching handle 5. Speaking of the deflection prevention characteristic of the temperature control handle 4, the temperature control handle 4 is for adjusting the temperature of the water discharge, and is not frequently subjected to the user's load compared to the switching handle 5. It is smaller than the switching handle 5.

As described above, according to the faucet device 100 according to the present embodiment, since the fixing portion 28, the flange portion 29, and the main body shaft portion 30 are integrally formed as the socket member 27 for preventing the deflection of the switching handle 5, the number of parts is reduced. This can reduce the manufacturing cost and reduce the man-hours and costs during assembly and maintenance.
Further, since the socket member 27 screwed into the metal main body 25 by the fixing portion 28 is integrally formed of metal, even if a deflection load is applied to the switching handle 5, it is possible to improve the characteristic of preventing deflection and rattling. In addition, since the external thread 25a on the outer peripheral side of the fixing part 28 of the socket member 27 is screwed to the internal thread part 25a on the inner peripheral side of the main body 25, the rigidity is high, and the deflection and backlash of the switching handle 5 and the temperature control handle 4 are further prevented. it can.
In addition, the switching handle 5 is provided with the rib 40, and the sliding ring 33 at the outer end of the socket member 27 is provided at substantially the same position in the axial direction as the joint portion 21a of the drive shaft 21 without interfering with the rib 40. Deformation of the switching handle 5 can be suppressed and high deflection prevention characteristics can be exhibited.
The temperature control handle 4 has the same effect as the switching handle 5.

  As described above, the switching handle 5 of the faucet device 100 according to the embodiment of the present invention has been described in detail. However, the present invention is not limited to the above-described embodiment, and appropriate changes can be made without departing from the gist of the present invention. Or replacement is possible. All of these are included in the present invention. Hereinafter, modifications and the like of the present invention will be described, but the same or similar parts and members as those of the above-described embodiment will be denoted by the same reference numerals, and description thereof will be omitted.

  FIG. 9 is a cross-sectional view of an essential part showing a modification of the switching handle 5 of the faucet device 100 according to the above-described embodiment. In this modification, a sliding ring 33 provided at the outer end of the main body shaft portion 30 of the socket member 27 is disposed on the inner side in the axial direction with respect to the joint portion 21a of the drive shaft 21 mounted in the switching handle 5. . Then, the rib 40 is formed longer in the axial direction by the length of the main body shaft portion 30 of the socket member 27.

Since the main body shaft portion 30 and the sliding ring 33 of the socket member 27 are disposed inside the joint portion 21a of the drive shaft 21, the sliding ring 33 is positioned in the vicinity of the end portion of the switching handle 5 on the faucet body 1 side. Therefore, it is possible to suppress the deflection and backlash of the switching handle 5. Moreover, the length of the switching handle 5 can be shortened by the amount that the length of the socket member 27 is shortened, and the manufacturing cost can be reduced.
Further, since the length of the main body shaft portion 30 of the socket member 27 is shortened, the rib 40 can be formed relatively long, the strength of the switching handle 5 can be improved, and deformation due to a load can be reduced.

  In the embodiment described above, the socket member 27 is made of metal such as brass, but may be made of resin. In this case, since the inner cylindrical portion 19b of the operation casing 19 is also made of resin, wear due to the rotation operation of the switching handle 5 is small, and the sliding ring 33 may not be provided. Therefore, the inner peripheral surface of the main body shaft portion 30 of the socket member 27 can be rotated by directly contacting the inner cylindrical portion 19b. Alternatively, a sliding ring 33 may be provided on the inner peripheral surface of the main body shaft portion 30 of the resin socket member 27 so as to contact the inner cylindrical portion 19b.

In the above-described embodiment, the male screw portion 28 a on the outer peripheral surface side of the fixing portion 28 of the socket member 27 is screwed into the female screw portion 25 a on the inner peripheral surface side of the main body body 25. In this case, the male screw portion 25b on the outer peripheral side facing the female screw portion 25a of the main body body 25 is unnecessary, and there is no need for screw machining. As a modified example, instead of this, in the fixing portion 28 of the socket member 27, a female screw portion may be provided on the inner peripheral surface side and screwed into the male screw portion 25 b on the outer peripheral side of the main body body 25 to be connected.
It should be noted that the configuration of the switching handle 5 according to the above-described embodiments and modifications can also be applied to the temperature control handle 4.
In the present invention, both the switching handle 5 and the temperature control handle 4 are included in the handle. The sliding ring 33 is included in the sliding portion. Further, the inner cylinder portion 19b and the connecting shaft 22 are included in the transmission shaft body. In the temperature control handle 4, the temperature control valve unit corresponds to a switching valve unit, and both are included in the valve body unit.

DESCRIPTION OF SYMBOLS 1 Water faucet body 4 Temperature control handle 5 Switching handle 19 Operation housing 19a Outer cylinder part 19b Inner cylinder part 20 Switching valve unit 21 Drive shaft 21a Joint part 22 Connection shaft 24 Housing 24a Step part 25 Main body body 25a Female thread part 27 Socket member 28 Fixing part 28a Male thread part 30 Main body shaft part 33 Sliding ring 37 Holding member 40 Rib 100 Water faucet device

Claims (4)

In a faucet device with a rotatable handle on the faucet body,
A valve body unit provided inside the faucet body;
A socket member integrally formed with a fixed portion that is fixed to the faucet body and prevents movement of the valve body unit and a main body shaft portion that extends into the housing of the handle;
A faucet device comprising: A drive shaft provided in the valve body unit and extending into the housing;
A transmission shaft that integrally rotates the drive shaft through the joint by rotation of the housing;
A sliding portion provided on the body shaft portion of the socket member and abutting against the transmission shaft body,
2. The faucet device according to claim 1, wherein the sliding portion is disposed at substantially the same position in the axial direction as the joint portion of the drive shaft or on the faucet body side.   The faucet device according to claim 1 or 2, wherein the socket member is made of resin. The faucet device according to any one of claims 1 to 3, wherein ribs are provided in the casing of the handle at a predetermined interval in a circumferential direction, and the ribs extend to a position close to the socket member.

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