JP2014177837A - Hot-water and water mixing valve device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hot-water and water mixing valve device in which a movable valve body can be moved without rotating relative to a fixed valve body when the movable valve body is operated for opening/closing by an operation part at a front side position of a combination faucet which is frequently used, and, the movable valve body is not rotated regardless of rotation operation at the operation part when the movable valve body is in a closed state.SOLUTION: A hot-water and water mixing valve device 1 includes a casing 14, a fixed valve body 12, a movable valve body 10, and an operation part. Even if the operation part is rotation-operated in an operation region on a plane parallel to a sliding surface of the movable valve body in a closing valve position P4, the movable valve body does not rotate in the sliding surface relative to the fixed valve body. Further, when the operation part is operated for opening/closing operation of the movable valve body at the front side position of the combination faucet, it moves along a central axis line A2 of the casing without rotating in the sliding surface between the closing valve position P4 and an opening valve position P5, for only water to be discharged from a water discharge opening.

Description

  The present invention relates to a hot and cold water mixing valve device, and more particularly, a hot water and water mixing valve device which is incorporated in a hot and cold water mixing faucet and discharges hot water mixed with hot water supplied from a hot water supply source and water supplied from a water supply source. About.

Conventionally, for example, Patent Document 1 discloses a hot and cold water mixing valve device that is incorporated in a hot and cold water mixing faucet and stops hot water mixed with hot water supplied from a hot water supply source and water supplied from the water supply source. As shown in the figure, a fixed valve provided inside a single lever type hot and cold water mixing faucet and formed with a water passage and a water passage through which hot water supplied from a hot water supply source and water supplied from the water supply source respectively pass. Body, a movable valve body that is slidably attached to the fixed valve body and forms a hot and cold communication part, and an operation lever that opens and closes by moving the movable valve body. It is known that when a water discharge operation is performed at the front position of a high hot water and water mixing faucet, only the water passage is opened while the water passage of the fixed valve body is closed, and only water can be discharged. Yes.
In such a conventional hot and cold water mixing valve device, the movable valve body is provided in the casing, and the movable valve body in the casing is connected to the operation rod connected to the operation lever. The operation of switching the discharge water and the amount of water discharge are adjusted by sliding the movable valve body relative to the fixed valve body according to the vertical rotation operation of the rod (operation part) (opening and closing operation of the movable valve body). And the temperature of the discharged water can be adjusted by sliding the movable valve body with respect to the fixed valve body in accordance with the turning operation of the operation lever and the operation rod (operation part) in the left-right direction. It can be done.
In particular, in such a hot and cold water mixing valve device, the entire cartridge of the hot and cold water mixing valve device is made hot and cold so that only the water can be discharged at the front position of the hot and cold water mixing faucet that is frequently used. It is attached in a state of being rotated in advance with respect to the mixing faucet, and is configured to discharge only water when the operation lever is spouted at the front position of the hot water mixing faucet that is frequently used. Further, even when the movable valve element is in the closed state, if the operation lever is rotated in the left-right direction, the movable valve element is moved to the upper surface of the fixed valve element by the movement of the operation rod connected to the movable valve element. It is designed to slide along.

JP 2008-89046 A

However, in the above-described conventional hot and cold water mixing valve device, in particular, the movable lever is operated to open and close the movable valve body by moving the operation lever at the front position where the operation frequency is frequently used. When the sliding movement while rotating is repeated, the connecting portion of the operating rod connected to the movable valve body and the casing for accommodating these are repeatedly worn and damaged due to the rotational movement. There is a possibility and durability is also a problem.
Even when the movable valve body is in a closed state, if the operation lever is rotated in the left-right direction, the movable valve body rotates and slides along the upper surface of the fixed valve body due to the movement of the operation rod. Therefore, it is necessary to secure a large area (sealing allowance) around each of the hot water passage and the water passage of the fixed valve body that needs to be sealed by the movable valve body in the closed state. Therefore, in order to reduce the size of the hot water / water mixing valve device, the flow rate of the fixed valve body and the flow path of the water flow channel must be designed to be small, and there is a problem that a sufficient flow rate cannot be secured. Alternatively, there is a problem that the internal structure of the cartridge becomes large and cannot be miniaturized in order to ensure the flow rate of water discharged through the movable valve body and the fixed valve body.
Further, when the movable valve body is in a closed state, even if the operation lever is rotated in the left-right direction, the movable valve body does not rotate and slide along the upper surface of the fixed valve body due to the movement of the operation rod. In the valve device, in order to discharge only water when the movable lever is opened / closed at the front position of the frequently used hot and cold water mixing faucet, the entire cartridge is preliminarily attached to the hot and cold water mixing faucet. It can be simply assumed that the mounting structure is tilted, etc., but each time the movable valve body is repeatedly opened and closed in front of the frequently used hot and cold water mixing faucet, the movable valve body becomes a fixed valve body. On the other hand, since it rotates and slides, the connecting portion of the operating rod connected to the movable valve body, the casing for accommodating these, etc. may be repeatedly worn and damaged due to stress, and there is a problem in durability.

  Therefore, the present invention was made to solve the above-described problems of the prior art, and when the opening and closing operation of the movable valve body was performed at the front position of the hot and cold water mixing faucet with a high use frequency of the operation unit, A hot and cold water mixing valve in which the movable valve element can move without rotating with respect to the fixed valve element, and when the movable valve element is in a closed state, the movable valve element does not rotate regardless of the rotation operation of the operation unit. The object is to provide a device.

In order to achieve the above object, the present invention is a hot and cold water mixing valve device that is incorporated in a hot and cold water mixing faucet and discharges hot water mixed with hot water supplied from a hot water supply source and water supplied from the water supply source. A casing provided on the upstream side of the spout of the hot and cold water mixing faucet, a hot water passage fixed to the casing and into which hot water supplied from the hot water source flows, and water supplied from the water source. A fixed valve body in which a water passage is formed, and a movable valve body that is disposed in the casing and opens and closes the hot water passage and the water passage of the fixed valve body by sliding with respect to the fixed valve body. The movable valve body in which a hot water communication section for communicating the hot water and water passing through each of the hot water passage and the water passage is formed inside, and one end of the movable valve body is attached to the movable valve body, Open and close the movable valve body by moving the valve body An operation unit that switches between water discharge and water stop, and is operated in a plane perpendicular to the sliding surface of the movable valve body so that the movable valve body is connected to the hot water passage and the passage of the fixed valve body. The flow rate of the hot water downstream of the fixed valve body is adjusted by moving between a predetermined valve closing position for closing the water passage and the hot water passage and / or a predetermined valve opening position for opening the water passage. And when the movable valve body is in the open position, the movable valve body is rotated within an operation area on a plane parallel to the sliding surface of the movable valve body. Adjusting the ratio of hot water and water mixed in the hot and cold water communication section and adjusting the temperature of hot water discharged from the outlet of the hot and cold water mixing faucet, and the movable valve body, In a state where the valve is in the closed position, the operation unit is rotated within an operation region on a plane parallel to the sliding surface of the movable valve body. Even when the movable valve body is opened / closed at the front position of the hot / cold water faucet without rotating within the sliding surface with respect to the fixed valve body, It moves between the valve closing position and the valve opening position along the central axis of the casing without rotating within the sliding surface, and only water is discharged from the water outlet.
In the present invention configured as described above, in a state where the movable valve body is in the valve closing position, even if the operation portion is rotated within an operation region on a plane parallel to the sliding surface of the movable valve body, Since the movable valve element does not rotate with respect to the fixed valve element within the sliding surface, the hot water passage of the fixed valve body and the area that needs to be sealed around the water passage can be reduced. A hot water channel and a water channel can be largely provided in the casing. Therefore, even if the whole hot and cold water mixing valve device is downsized, a larger water discharge flow rate can be secured. When the movable valve body is opened and closed at the front position of the hot and cold water mixing faucet that is frequently used, the movable valve body has a valve closing position and a valve opening position along the central axis of the casing. The operation part or casing to which the movable valve body is attached can be moved without rotating within the sliding surface, so that the durability is reduced by applying stress due to the rotation of the movable valve body. Can be prevented. That is, even if the operation part is repeatedly opened and closed at the front position of the hot and cold water mixing faucet that is frequently used, the operation part and the casing are repeatedly stressed by the rotation of the movable valve element, so that the durability Can be prevented from decreasing.

In the present invention, preferably, a part of the water passage of the fixed valve body is located on the central axis of the casing and is formed from one region to the other region with respect to the central axis. .
In the present invention configured as described above, a part of the water passage of the fixed valve body is located on the central axis of the casing, and is formed from one region to the other region with respect to the central axis. Therefore, by opening and closing the movable valve body at the front position of the hot and cold water mixing faucet that is frequently used, only the water passage of the fixed valve body is opened, and water can be easily discharged from the outlet of the hot and cold water mixing faucet. Only water can be discharged.

In the present invention, preferably, the movable valve body further includes guide means provided between the casing and the movable valve body for guiding the movement of the movable valve body, and the movable valve body guided by the guide means. The guide direction is set in the same direction as the direction in which the central axis of the casing extends.
In the present invention configured as described above, since the guide direction of the movable valve body guided by the guide means is set in the same direction as the direction in which the central axis of the casing extends, the operation portion is frequently used. When the movable valve body is opened and closed at the front position of the hot and cold water faucet, the movable valve body is rotated within the sliding surface between the valve closing position and the valve opening position along the central axis of the casing. It can be opened and closed without moving. Therefore, even if the operation section is repeatedly opened and closed at the front position of the hot and cold water mixing faucet that is frequently used, the operation section and the casing are repeatedly stressed by the rotation of the movable valve body, resulting in durability. Can be prevented from decreasing.

In the present invention, preferably, the guide means includes a protrusion formed so as to protrude inward from the casing, and a guide groove provided on the movable valve body and into which the protrusion can be inserted. And a guide part.
In the present invention configured as described above, the movement of the movable valve body can be guided by a simple configuration using the protrusion of the guide means and the guide groove of the valve guide portion.

In the present invention, preferably, one end portion of the operation portion is formed in a substantially hemispherical shape, and the valve guide portion of the movable valve body includes an attachment portion to which the one end portion of the operation portion is inserted and attached. When the movable valve body is closed, the mounting section of the mounting section shows that when the operating section is rotated about its central axis, the operating section rotates idle with respect to the mounting section, and the movable valve body opens. In this state, it corresponds to the substantially hemispherical shape of one end of the operation unit so that the movable valve body moves with rotation with respect to the fixed valve body when the operation unit is rotated about its central axis. And has a substantially circular cross-sectional shape.
In the present invention configured as described above, one end portion of the operation portion formed in a substantially hemispherical shape and the one end portion are inserted and attached to form a substantially circular cross-sectional shape of the valve guide portion of the movable valve body. Due to the mounting cross section of the mounting portion, the movable valve body is rotated with respect to the mounting portion even when the operating portion is rotated about its central axis in a state where the movable valve body is in the closed position. Does not rotate. Therefore, even if the operation portion is rotated within the operation region on the surface parallel to the sliding surface of the movable valve body in a state where the movable valve body is in the closed position, the movable valve body is not moved relative to the fixed valve body. A structure that does not rotate within the sliding surface can be easily realized.

  According to the hot and cold water mixing faucet device of the present invention, when the movable valve body is opened and closed at the front position of the hot and cold water mixing faucet that is frequently used, the movable valve body rotates relative to the fixed valve body. The movable valve body can be rotated with the turning operation of the operation portion only when the movable valve body is in the valve open state.

It is the schematic perspective view which looked at the hot / cold water mixing faucet apparatus incorporating the hot / cold water mixing valve apparatus by one Embodiment of this invention from diagonally forward. It is a schematic plan view of a hot and cold water mixing faucet device incorporating a hot and cold water mixing valve device according to an embodiment of the present invention, and includes a hot water side operation region for discharging only hot water, a water side operation region for discharging only water, and mixed hot water. It is the figure which demonstrated roughly the hot water mixing operation area | region to discharge water. It is front sectional drawing which shows the hot / cold water mixing faucet apparatus with which the hot / cold water mixing valve apparatus by one Embodiment of this invention was integrated. It is a disassembled perspective view which shows the hot and cold water mixing valve apparatus by one Embodiment of this invention. In the lower casing member and movable valve element guide member of the hot and cold water mixing valve device according to an embodiment of the present invention, the operation handle and the operating lever member are moved to the operation position on the hot water mixing operation region side in the water side operation region (hot water and water mixing faucet). It is a top view which shows the state which set to the front position of the apparatus) and closed the movable valve body. In the fixed valve body and the movable valve body of the hot and cold water mixing valve device according to the embodiment of the present invention, the operation handle and the operating lever member are moved to the operation position on the hot water mixing operation region side in the water side operation region (front of the hot and cold water mixing device). It is a top view which shows the state which set to the position) and closed the movable valve body. In the fixed valve body and the movable valve body of the hot and cold water mixing valve device according to the embodiment of the present invention, the operation handle and the operating lever member are moved to the operation position on the hot water and water mixing operation region side in the water side operation region It is a top view which shows the state which set to the position) and opened the movable valve body. In the fixed valve body and the movable valve body of the hot and cold water mixing valve device according to the embodiment of the present invention, the operation handle and the operation lever member are set to the most water side operation position in the water side operation region to open the movable valve body. It is a top view which shows the state. In the fixed valve body and the movable valve body of the hot and cold water mixing valve device according to one embodiment of the present invention, the operation handle and the operation lever member are set to the most hot water side operation position in the hot water side operation region to open the movable valve body. It is a top view which shows the state made to do.

Hereinafter, a hot and cold water mixing device according to an embodiment of the present invention will be described with reference to the accompanying drawings.
First, FIG. 1 is a schematic perspective view of a hot and cold water mixing faucet device in which a hot and cold water mixing valve device according to an embodiment of the present invention is incorporated, as viewed obliquely from the front.
As shown in FIG. 1, a hot and cold water mixing faucet device 2 incorporating a hot and cold water mixing valve device 1 according to an embodiment of the present invention includes hot water and a water supply source (not shown) supplied from a hot water supply source (not shown). So-called single lever type that can mix and remove the water supplied from the water outlet 6a of the spout 6 by mixing the water supplied from) and operating one operation handle 4. This is a hot water / water mixing faucet device.

That is, the hot-and-water mixing faucet device 2 is disposed on the counter 8 of the kitchen sink or sink, and the operation handle 4 is rotated upward (in the direction of the arrow “open” shown in FIG. 1). In this case, the hot water discharged from the spout 6a of the spout 6 can be set to the water discharge state, and the spout 6 can be discharged as the operation handle 4 is set to a position rotated further upward. The flow rate of hot water discharged from the water port 6a can be set large.
On the other hand, when the operation handle 4 is rotated to the lowest position (in the direction of the arrow “closed” shown in FIG. 1), the hot water discharged from the spout 6 a of the spout 6 is stopped. It can be set.

When the operation handle 4 is rotated in the horizontal direction indicated by the arrow “C” in FIG. 1 (the horizontal direction on the right side in FIG. 1) about the vertical center axis A1 of the hot and cold water mixing device 1 The temperature of the hot water discharged from the spout 6a of the spout 6 can be set to the low temperature side.
On the other hand, when the operation handle 4 is rotated in the horizontal direction indicated by the arrow “H” in FIG. 1 (the left horizontal direction shown in FIG. 1) about the central axis A <b> 1, the spout 6 has a spout 6 a. The temperature of the discharged hot water can be set to the high temperature side.

  Next, FIG. 2 is a schematic plan view of a hot and cold water mixing faucet device incorporating a hot and cold water mixing valve device according to an embodiment of the present invention, a hot water side operation region for discharging only hot water, and a water side for discharging only water. FIG. 3 is a diagram schematically illustrating an operation region and a hot water mixing operation region for discharging mixed hot water, and FIG. 3 is a front view showing a hot water mixing faucet device incorporating a hot water mixing valve device according to an embodiment of the present invention. It is sectional drawing.

As shown in FIG. 2, the operation region R in which the operation handle 4 is rotated in the horizontal direction includes a hot water side operation region R1, a water side operation region R2, and a hot water / mixing operation region R3.
The hot water side operation region R1 is movable at the operation position P1 where the operation handle 4 is turned to the hot water side (in the direction of the arrow H shown in FIGS. 1 and 2). The valve body 10 opens only the hot water passage 12a of the fixed valve body 12 of the hot water / mixing valve device 1 to be described later in detail, and only hot water passes from the hot water passage 12a of the fixed valve body 12 to the hot water communication portion 10a of the movable valve body 10. Is an operation region in which only hot water is discharged from the water outlet 6a of the hot-water mixed faucet device 2.

  The water side operation region R2 is located at the operation position P2 in which the operation handle 4 is turned to the water side (in the direction of arrow C shown in FIGS. 1 and 2). Only the water passage 12b is opened, and only water is allowed to flow from the water passage 12b of the fixed valve body 12 into the hot water communication section 10a of the movable valve body 10, and only water is discharged from the water outlet 6a of the hot water mixing faucet device 2. This is the operation area.

  Further, the hot water / mixing operation region R3 is configured such that the operation handle 4 is moved from the substantially central operation position P3 on the front side of the hot / cold water faucet device 2 toward the hot water operation region R1 (arrow H shown in FIGS. 1 and 2). ), The movable valve body 10 is located between the hot water side operation region R1 and the water side operation region R2, and the movable valve body 10 opens the hot water passage 12a and the water passage 12b of the fixed valve body 12. The hot water and the hot water mixed with each of the hot water and water flowing from the hot water passage 12a and the water flow passage 12b of the fixed valve body 12 to the hot water communication portion 10a of the movable valve body 10 are mixed. It is the operation area which discharges water from.

  In this embodiment, the hot water / mixing operation region R3 side region in the water side operation region R2 is located in the front side region where the hot water / mixing faucet device 2 is frequently used, and the operation handle 4 is Even when the operation position P3 at the front center, that is, the front position of the hot and cold water mixing device 2 is operated, only water is discharged from the water outlet 6a of the hot and cold water mixing device 2. .

Next, the details of the hot and cold water mixing valve device according to one embodiment of the present invention will be described with reference to FIGS.
First, FIG. 4 is an exploded perspective view showing a hot and cold water mixing valve device according to an embodiment of the present invention.
As shown in FIG. 4, the hot and cold water mixing valve device 1 according to the present embodiment has a lower casing member 14, a fixed valve body 12, a movable valve body 10, a net member 15, and a movable valve body guide member from the bottom to the top. 16, an operation lever lower holding member 18, an operation lever member 20, a seal member 22, an upper casing member 24, and an operation lever upper connection member 26 are provided.

Next, FIG. 5 shows an operation handle and an operation lever member in the hot water mixing operation region side in the water side operation region in the lower casing member and the movable valve body guide member according to the embodiment of the present invention. It is a top view which shows the state which set to the operation position (front position of the hot / cold water faucet device) and closed the movable valve body.
FIG. 6 shows an operation position (hot water) in the hot water mixing operation area in the water operation area in the fixed valve body and the movable valve body of the hot water mixing valve apparatus according to the embodiment of the present invention. It is a top view which shows the state which set to the front position of the mixing faucet device and closed the movable valve body.
Further, FIG. 7 shows an operation position of the hot water / mixing operation region side in the hot water / mixing operation region (hot water / water) in the fixed valve body and the movable valve body of the hot water / mixing valve device according to the embodiment of the present invention. It is a top view which shows the state which set to the water faucet device front position) and opened the movable valve body.
FIG. 8 shows a movable valve body of the hot and cold water mixing valve device according to one embodiment of the present invention, in which the operation handle and the operation lever member are set to the most water-side operation position in the water-side operation region and are movable. It is a top view which shows the state which opened the valve body.
Further, FIG. 9 shows that the operation handle and the operation lever member are set to the most hot water side operation position in the hot water side operation region in the fixed valve body and the movable valve body of the hot water mixing valve device according to the embodiment of the present invention. It is a top view which shows the state which opened the movable valve body.

As shown in FIGS. 2 to 7, the lower casing member 14 is formed at the upper end (downstream side end) of the water passage 2 a and the water passage 2 b that are formed in the hot water / mixing faucet device 2 so as to extend in the vertical direction. The fixed valve body 12 is fixed inside the lower casing member 14.
Further, on the rear side of the fixed valve body 12, a hot water / water mixing path 12 c through which hot water and / or water that has passed through the hot water / water communication portion 10 a of the movable valve body 10 passes is formed.
Further, a portion below the hot water / mixing path 12 c of the fixed valve body 12 in the lower casing member 14 and a portion adjacent to the rear end portion 14 a of the lower casing member 14 communicates with the hot water / mixing path 12 c of the fixed valve body 12. A hot and cold water mixing path 14b in the lower casing member 14 is formed.

Moreover, as shown in FIGS. 3-9, each of the hot water passage 12a and the water passage 12b formed in the fixed valve body 12 is the hot water passage 2a and the water passage 2b in the hot and cold water mixing device 2 respectively. Connected with each.
Furthermore, as shown in FIGS. 2 to 9, the hot water passage 12 a and the water passage 12 b of the fixed valve body 12 are formed in different shapes and the center of the lower casing member 14 extending in the front-rear direction of the fixed valve body 12. They are arranged asymmetrically with respect to the axis A2.

Here, in the present embodiment, the center axis A2 extending in the front-rear direction of the lower casing member 14 is parallel to the center axis extending in the front-rear direction of the fixed valve body 12 and coincides in plan view. Although the form will be described, the central axis A2 of the lower casing member 14 may completely coincide with the central axis extending in the front-rear direction of the fixed valve body 12, or may not coincide with each other in plan view. Also good.
In the form in which the hot and cold water mixing valve device 1 of the present embodiment is normally used, the front position (the operation position P3 of the operation handle 4) facing the user, which is the most frequently used, is the front side, and the lower casing member The center axis A2 of 14 is a line extending in the opposite direction (rear side) from the user through the center O of the lower casing member 14 from the front position (front side) facing the user.
Furthermore, the hot and cold water mixing valve device 1 of the present embodiment may be applied to a hot and cold water mixing faucet device installed on the wall. In this case, the vertical position where the frequency of use is highest is the front side, The central axis A2 of the lower casing member 14 is a line extending from the lower position (front side) through the center O of the lower casing 14 upward (rear side) in the vertical direction.

Further, as shown in FIG. 5, a guide for guiding the movement of the movable valve body 10 with respect to the fixed valve body 12 is provided at the rear end portion 14 a on the inner peripheral side of the lower casing member 14 and the portion above the fixed valve body 12. A guide projection 28 as a means is formed so as to protrude inward (front) from the rear end portion 14 a of the lower casing member 14. The guide protrusion 28 sets the operation handle 4 and the operation lever member 20 to a position other than the front position (the operation position P3 shown in FIG. 2) of the hot water and water mixing faucet device 2 that is frequently used, and opens and closes the movable valve body 10. , The movable valve body 10 is rotated with respect to the fixed valve body 12 within the sliding surface 10b by fitting and cooperating with a guide groove 30 of the movable valve body guide member 16 described later. To move.
The central axis 28a of the guide projection 28 is set in the same direction (front-rear direction) in the horizontal plane with respect to the direction of the central axis A2 of the lower casing member 14 extending in the front-rear direction of the fixed valve body 12. ing.

  Further, the central axis A2 extending in the front-rear direction of the lower casing member 14 passes through the center O of the lower casing member 14 and the vicinity of the hot water side end portion 12d of the water passage 12b of the fixed valve body 12. That is, as shown to FIGS. 6-9, as for the water flow path 12b of the fixed valve body 12, the front area | region r is located on center axis line A2 of the lower casing member 14, and the front area | region of this water flow path 12b r is formed over two regions of the left region r1 and the right region r2 with respect to the central axis A2.

  Further, above the center O of the lower casing member 14, the center point of the connection portion 20 a of the operation lever member 20 in the water stop state attached to the attachment hole 16 a of the movable valve element guide member 16 described later in detail. positioned. That is, the center axis A2 passes through the point where the center point of the connection portion 20a of the operation lever member 20 is projected onto the center O in the vertical direction and the vicinity of the hot water side end portion 12d of the water passage 12b of the fixed valve body 12. ing.

Next, as shown in FIGS. 3 to 5, the movable valve body 10 is slidably and rotatably provided on the fixed valve body 12. Further, a mesh member 15 for rectifying hot water passing through the communication opening 10 a of the movable valve element 10 is attached on the movable valve element 10, and the movable valve element guide member 16 is interposed via the mesh member 15. Is fixed and is moved integrally with the movable valve body 10 by the movement of the operation lever member 20 connected to the mounting hole 16a.
The movable valve element guide member 16 is a guide means in which the guide protrusion 28 of the lower casing member 14 is inserted and fitted with the movable valve element 10 together with the movable valve element 10 in the lower casing member 14. A guide groove 30 is formed. The guide groove 30 sets the operation handle 4 and the operation lever member 20 to a position other than the front position (operation position P3 shown in FIG. 2) of the frequently used hot and cold water mixing faucet device 2 to open and close the movable valve body 10. When this is done, the movable valve body 10 moves with rotation in the sliding surface 10b relative to the fixed valve body 12 by fitting and cooperating with the guide protrusions 28 of the lower casing member 14. It is like that.
In this embodiment, as an example, the movable valve body 10 and the movable valve body guide member 16 are separate members. However, the movable valve body 10 and the movable valve body guide member 16 are formed integrally with each other. It is good also as one member.

Further, as shown in FIGS. 3 to 5, an attachment in which a connection portion 20 a formed in a substantially hemispherical shape is inserted and attached to the lower end portion of the operation lever member 20 at the substantially central portion of the movable valve element guide member 16. A cylindrical protrusion 16b that forms the hole 16a and protrudes upward is provided.
When the central axis A3 in the longitudinal direction of the operation lever member 20 coincides with the central axis A1 of the hot and cold water mixing faucet device 2 extending in the vertical direction, the movable valve body 10 is closed when the operation lever member 20 stands up. Thus, both the hot water passage 12a and the water passage 12b of the fixed valve body 12 are closed.
Here, as shown in FIG. 3, the lower surface of the movable valve body 10 is a sliding surface 10b that slides along the upper surface of the fixed valve body 12, and is in a plane perpendicular to the sliding surface 10b. By operating the operation lever member 20, the movable valve body 10 can be opened and closed.
Further, in the movable valve element guide member 16 shown in FIG. 5, the operation handle 4 and the operation lever member 20 are set to the front position (the operation position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 that is frequently used. When the movable valve body 10 is opened / closed, the movable valve body guide member 16 corresponding to the movable valve body 10 in the closed position is shown by a solid line, and the movable valve body guide corresponding to the movable valve body 10 in the opened position is shown. The member 16 is indicated by a chain line.

Further, when the movable valve body 10 is closed, when the operation lever member 20 is rotated about its central axis A3, the connecting portion 20a of the operation lever member 20 is located with respect to the mounting hole 16a of the movable valve body guide member 16. The plane cross section S1 (see FIG. 5) of the mounting hole 16a of the movable valve element guide member 16 is formed in a substantially circular cross-sectional shape corresponding to the substantially hemispherical shape of the connecting portion 20a of the operation lever member 20 Has been. That is, even when the movable valve body 10 is in the valve closing position P4, the operation handle 4 and the operation lever member 20 can be rotated within an operation region on a plane parallel to the sliding surface 10b of the movable valve body 10. The fixed valve body 12 is prevented from rotating within the sliding surface 10b.
On the other hand, when the central axis A3 in the longitudinal direction of the operation lever member 20 is inclined in a predetermined direction with respect to the central axis A1 of the hot and cold water mixing faucet device 2 extending in the vertical direction, the operation lever member 20 has a substantially hemispherical shape. The connecting portion 20a presses the mounting hole 16a of the movable valve body guide member 16 in a predetermined horizontal direction, the movable valve body 10 moves relative to the fixed valve body 12 together with the movable valve body guide member 16, and the movable valve body 10 is moved. The valve is opened, and at least one of the hot water passage 12a and the water passage 12b of the fixed valve body 12 is opened.

As shown in FIG. 4, an operation lever holding member 18 is interposed between the operation lever member 20 and the movable valve element guide member 16.
In the central portion of the operation lever holding member 18, a fitting long hole 18 a into which a fitting portion 20 b formed in a rectangular shape is inserted and fitted above the connection portion 20 a of the operation lever member 20 is formed. When the opening / closing operation of the movable valve body 10 by the lever member 20 is performed, the fitting portion 20b of the operation lever member 20 can move along the fitting long hole 18a.

The seal member 22 shown in FIG. 4 is formed in the ball portion 20c of the operation lever member 20 formed in a ball shape above the fitting portion 20b of the operation lever member 20 and the substantially central portion of the upper casing member 24. It is attached between the attachment holes 24a, and the inside and outside of the upper casing member 24 are sealed in a liquid-tight manner.
Further, the operation lever upper side connection member 26 shown in FIGS. 3 and 4 is attached to the upper side of the operation lever member 20 so that the connection portion 4a of the operation handle 4 is attached from above.

  Next, as shown in FIGS. 1 to 4, in a state where the operation lever member 20 is set to the operation position P3 on the hot water / mixing operation region R3 side in the water side operation region R2 and the movable valve body 10 is closed. The central axis A3 in the longitudinal direction of the operation lever member 20 coincides with the central axis A1 of the hot and cold water mixing faucet device 2 extending in the vertical direction, and the operation lever member 20 is in an upright state.

  As shown in FIGS. 1, 2, 5, and 6, the operation lever member 20 is set to the operation position P3 on the hot water / mixing operation region R3 side in the water side operation region R2, and the movable valve body 10 is closed. In a valved state, that is, the operating handle 4 and the operating lever member 20 are set to the front position (operating position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 that is frequently used, the movable valve body 10 is closed. In this state, the movable valve element guide member 16 and the movable valve element 10 below the movable valve element guide member 16 are located on the rearmost side as a whole in the lower casing member 14, and the movable valve element 10 is the hot water passage 12 a of the fixed valve element 12. And the water passage 12b are closed. At this time, the guide protrusion 28 of the lower casing member 14 is inserted and fitted over almost the entire area of the guide groove 30 of the movable valve element guide member 16, as shown in FIG. .

  Next, as shown in FIGS. 1, 2, 5 and 7, the operation lever member 20 is set to the operation position P3 on the hot water / mixing operation region R3 side in the water side operation region R2, and the movable valve body 10 is moved. In the opened state, that is, the operation handle 4 and the operation lever member 20 are set to the front position (operation position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 that is frequently used, and the movable valve body 10 is opened. In the valved state, the movable valve element guide member 16 and the movable valve element 10 below the movable valve element guide member 16 are located at the foremost side as a whole in the lower casing member 14, and the movable valve element 10 passes through the fixed valve element 12. The state where the hot water passage 12a is closed is maintained, and only the water flow passage 12b of the fixed valve body 12 is partially opened. Further, the water that has passed through the hot water communication portion 10c of the movable valve body 10 from the partially open water passage 12b of the fixed valve body 12 passes through the hot water mixing path 12c of the fixed valve body 12 to the hot water of the lower casing member 14. It flows through the mixing path 14b.

5 to 7, the operation handle 4 and the operation lever member 20 are set to the front position (operation position P3 shown in FIG. 2) of the hot water / water mixing faucet device 2 which is frequently used. The valve closing position and the valve opening position of the movable valve body 10 when the opening / closing operation is performed are indicated by reference numerals P4 and P5, respectively.
As shown in FIGS. 5 to 7, in the hot and cold water mixing valve device 1 of the present embodiment, the operation handle 4 and the operating lever member 20 are moved to the front position of the hot water and water mixing faucet device 2 that is frequently used (the operating position shown in FIG. 2). In the state set to P3), the operation handle 4 and the operation lever member 20 are rotated up and down to operate in a plane perpendicular to the sliding surface 10b of the movable valve body 10, and the movable valve body 10 is operated. When the opening / closing operation is performed from the valve closing position P4 (see FIGS. 5 and 6) to the valve opening position P5 (see FIGS. 5 and 7), the movable valve body guide to which the connecting portion 20a of the operation lever member 20 is attached. While the mounting hole 16a of the member 16 moves forward and the guide groove 30 of the movable valve element guide member 16 is maintained in the state of being fitted to the guide projection 28, the movable valve element guide member 16 is movable. 10 and the valve closing position P4 (FIG. 5). Toward the beauty see Figure 6) to the open position P5 (see FIGS. 5 and 7), the movable valve body 10 is adapted to move straight forward without rotating in sliding surface 10b.

  Further, as shown in FIG. 5, the guide groove 30 of the movable valve element guide member 16 at the valve opening position P5 is in a state of being disengaged from the fitting with the guide projection 28. In this state, as shown in FIG. Only the water passage 12b of the fixed valve body 12 is opened by the movable valve body 10, and the operation handle 4 and the operation lever member 20 are moved to the front position (the operation position shown in FIG. Only water is discharged from the spout 6a of the spout 6 in the state set to P3).

  Further, as shown in FIGS. 5 and 7, in a state where the movable valve element guide member 116 at the valve opening position P5 is out of engagement with the guide groove 30 and the guide projection 28, the operation handle 4 shown in FIG. The movable valve body 10 can be rotated and slid along the upper surface of the fixed valve body 12 by further rotating to the operation position P1 side on the side and the operation position P2 side on the water side. Therefore, the movable valve body 10 is opened further on the water side in a state where only water is discharged from the water outlet 6a of the spout 6 with the operation handle 4 set to the operation position P3 at the substantially central front side. The setting is switched to the valve position P6 (see FIG. 8), the flow rate of water discharged from the spout 6a of the spout 6 is increased, or the movable valve body 10 is set to the open position P7 on the hot water side (see FIG. 9). And the flow rate of hot water discharged from the spout 6a of the spout 6 can be increased.

  As shown in FIGS. 1, 2, 4 and 8, the operation lever member 20 is set to the most water-side operation position P2 in the water-side operation region R2, and the movable valve body 10 is opened. In the state, the movable valve body guide member 16 and the movable valve body 10 below the movable valve body guide member 16 are generally located at the valve opening position P6 on the diagonally right front side in FIG. The state where the hot water passage 12a of the fixed valve body 12 is closed is maintained, and only the water passage 12b of the fixed valve body 12 is partially opened. Further, the water that has passed through the hot water communication portion 10c of the movable valve body 10 from the partially open water passage 12b of the fixed valve body 12 passes through the hot water mixing path 12c of the fixed valve body 12 to the hot water of the lower casing member 14. It flows through the mixing path 14b.

  Next, as shown in FIGS. 1, 2, 4 and 9, the operation lever member 20 is set to the most hot water side operation position P1 in the hot water side operation region R2, and the movable valve body 10 is opened. In this state, the movable valve body guide member 16 and the movable valve body 10 below the movable valve body guide member 16 are located in the lower casing member 14 as a whole at the valve opening position P7 on the left front side as viewed from the front side in FIG. The movable valve body 10 maintains a state where the water passage 12b of the fixed valve body 12 is closed, and only the hot water passage 12a of the fixed valve body 12 is partially opened. Further, the hot water that has passed through the hot water communication portion 10 c of the movable valve body 10 from the hot water passage 12 a of the fixed valve body 12 that is partially opened is transferred from the hot water mixing passage 12 c of the fixed valve body 12 to the lower casing member 14. It flows through the hot and cold mixing path 14b.

Next, the operation (action) of the hot and cold water mixing valve device 1 according to the embodiment of the present invention described above will be described.
When using the hot-water mixing faucet device 2, as shown in FIGS. 1 and 2, the operation handle 4 of the hot-water mixing faucet device 2 is rotated around its central axis A1 to frequently use the hot-water mixing faucet. When the operation position 4 is set at the substantially central operation position P3 on the front side of the apparatus 2 and the operation handle 4 is operated in the direction of the arrow "open", the operation of the hot and cold mixing valve apparatus 1 is performed as shown in FIGS. By operating the lever member 20, the mounting hole 16a of the movable valve element guide member 16 to which the connecting portion 20a of the operation lever member 20 is attached moves forward, and the guide groove 30 of the movable valve element guide member 16 serves as a guide. The movable valve element guide member 16 is moved together with the movable valve element 10 from the valve closing position P4 (see FIGS. 5 and 6) to the valve opening position P5 (see FIGS. 5 and 7) while maintaining the state where the protrusion 28 is fitted. ) Towards the movable valve body 10 Move straight forward without rotating in sliding surface within 10b, while maintaining the state of closing the Tsuyuro 12a of the stationary valve member 12 to open only the water passage 12b of the stationary valve member 12. And the water which passed the hot water communication part 10a of the movable valve body 10 from the water flow path 12b of the fixed valve body 12 passes through the hot water mixing path 12c of the fixed valve body 12, and the spout of the spout 6 of the hot water mixing faucet device 2 Water is discharged from 6a.
That is, in a state where the operation handle 4 and the operation lever member 20 are set to the front position (the operation position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 that is frequently used, the operation handle 4 and the operation lever member 20 are moved in the vertical direction. And the movable valve body 10 is operated from a valve closing position P4 (see FIGS. 5 and 6) to a valve opening position P5 (see FIG. 5). 5 and FIG. 7), only water is discharged from the spout 6a of the spout 6 of the hot and cold water mixing faucet device 2.

  In the state where the guide groove 30 of the movable valve element guide member 16 at the valve opening position P5 shown in FIG. 5 is disengaged from the fitting with the guide projection 28, the operation handle 4 is moved to the water side (shown in FIGS. 1 and 2). When the operation handle 4 is set to the operation position P2 by rotating in the direction of the arrow C and the operation handle 4 is operated in the direction of the arrow "open", the operation lever of the hot water mixing valve device 1 is shown in FIG. By operating the member 20, the mounting hole 16 a of the movable valve body guide member 16 moves to the water passage 12 b side, and the movable valve body guide member 16 and the movable valve body 10 slide to the water side with respect to the fixed valve body 12. The movable valve body 10 opens only the water passage 12b of the fixed valve body 12 while maintaining the state where the hot water passage 12a of the fixed valve body 12 is closed. And the water which passed the hot water communication part 10a of the movable valve body 10 from the water flow path 12b of the fixed valve body 12 passes the hot water mixing path 12c of the fixed valve body 12, and the spout 6 of the spout 6 of the hot water mixing faucet device 2 Water is discharged from 6a.

  Further, the operation handle 4 is moved to the hot water side (shown in FIGS. 1 and 2) in a state where the guide groove 30 of the movable valve element guide member 16 at the valve opening position P5 shown in FIG. When the operation handle 4 is set to the operation position P1 by rotating in the direction of arrow H and the operation handle 4 is operated in the direction of the arrow “open”, as shown in FIG. By operating the member 20, the mounting hole 16 a of the movable valve body guide member 16 moves to the hot water passage 12 a side, and the movable valve body 10 slides with respect to the fixed valve body 12 to the hot water side. The movable valve body 10 opens only the hot water passage 12a of the fixed valve body 12 while maintaining the state where the water passage 12b of the fixed valve body 12 is closed. Then, the hot water that has passed through the hot water communication portion 10a of the movable valve body 10 from the hot water passage 12a of the fixed valve body 12 passes through the hot water / mixing path 12c of the fixed valve body 12 and is discharged from the spout 6 of the hot water / mixing faucet device 2. Water is discharged from the water port 6a.

  Further, the operation handle 4 is turned to the hot water side (in the direction of the arrow H shown in FIGS. 1 and 2) to set the operation position in the hot water mixing operation region R3 between the operation position P1 and the operation position P3. When the operation handle 4 is operated in the direction of the arrow “open”, the operation of the operation lever member 20 of the hot water / mixing valve device 1 causes the movable valve body 10 to slide relative to the fixed valve body 12 toward the hot water side, Both the hot water passage 12a and the water passage 12b of the fixed valve body 12 are opened. The hot water flowing out from each of the hot water passage 12a and the water passage 12b of the fixed valve body 12 and mixed in the hot water communication portion 10a of the movable valve body 10 passes through the hot water mixing passage 12c of the fixed valve body 12 and then hot water. Water is discharged from the spout 6 a of the spout 6 of the mixing faucet device 2.

According to the hot and cold water mixing valve device 1 according to the above-described embodiment of the present invention, when the movable valve body 10 is in the valve closing position P4, the operation handle 4 and the operation lever member 20 are moved to the sliding surface 10b of the movable valve body 10. Since the movable valve body 10 does not rotate within the sliding surface 10b with respect to the fixed valve body 12 even if it is rotated within the operation region on the surface parallel to the surface, the hot water passage 12a and the passage of the fixed valve body 12 do not rotate. The area that needs to be sealed around the water passage 12 b can be reduced, and the hot water passage 12 a and the water passage 12 b of the fixed valve body 12 can be provided largely in the lower casing 14. Therefore, even if the whole hot water / mixing valve device 1 is miniaturized, it is possible to secure a larger water discharge flow rate.
When the opening / closing operation of the movable valve body 10 is performed at the front position (operating position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 where the operating handle 4 and the operating lever member 20 are frequently used, the movable valve The body 10 can move between the valve closing position P4 and the valve opening position P5 along the central axis A2 extending in the front-rear direction of the lower casing 14 without rotating within the sliding surface 10b. It is possible to prevent the durability of the connecting portion 20a of the operation lever member 20 and the lower casing 14 attached to the attachment hole 16a of the valve body 10 from being deteriorated due to stress applied by the rotation of the movable valve body 10. That is, even if the operation handle 4 and the operation lever member 20 are repeatedly opened and closed at the front position (operation position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 that is frequently used, the operation valve 4 and the operation lever member 20 are movable. It is possible to prevent the durability from being deteriorated due to repeated application of stress to the operation portion and the casing by the rotation of the valve body 10.

  Further, according to the hot and cold water mixing valve device 1 according to the present embodiment, the front region r of the water passage 12b of the fixed valve body 12 is located on the central axis A2 of the lower casing member 14, and the front of the water passage 12b. Since the region r is formed over two regions of the left region r1 and the right region r2 with respect to the central axis A2, the operation handle 4 and the operation lever member 20 are used frequently in the hot and cold water mixing faucet device 2. By opening and closing the movable valve body 10 at the front position (operation position P3 shown in FIG. 2), only the water passage 12b of the fixed valve body 12 is opened, and the spout 6a of the spout 6 of the hot and cold water mixing faucet device 2 is opened. It is possible to discharge only water easily.

  Furthermore, according to the hot and cold water mixing valve device 1 according to the present embodiment, the central axis 28a of the guide projection 28 is horizontal with respect to the direction of the central axis A2 of the lower casing member 14 extending in the front-rear direction of the fixed valve body 12. Since the operation handle 4 and the operation lever member 20 are set in the same direction (front-rear direction), the movable valve is moved at the front position (operation position P3 shown in FIG. 2) of the hot and cold water mixing device 2 which is frequently used. When the opening / closing operation of the body 10 is performed, the movable valve body 10 slides between the valve closing position P4 and the valve opening position P5 along the central axis A2 extending in the front-rear direction of the lower casing 14. It can be moved and opened without rotating inside. Therefore, even if the operation handle 4 and the operation lever member 20 are repeatedly opened and closed at the front position (operation position P3 shown in FIG. 2) of the hot and cold water mixing faucet device 2 that is frequently used, the operation handle 4 and the operation lever member 20 are movable. It is possible to prevent the durability from being deteriorated due to repeated application of stress to the operation portion and the casing by the rotation of the valve body 10.

  Further, according to the hot and cold water mixing valve device 1 according to the present embodiment, the operation handle 4 and the operating lever member 20 are set to a position other than the front position (the operation position P3 shown in FIG. 2) of the hot water and water mixing faucet device 2 that is frequently used. When the movable valve body 10 is opened and closed, the guide protrusion 28 of the lower casing member 14 and the guide groove 30 of the movable valve body guide member 16 are engaged and cooperate with each other. The movable valve body 10 can guide the movement of the movable valve body 10 so as to move with rotation in the sliding surface 10b with respect to the fixed valve body 12.

  Furthermore, according to the hot and cold water mixing valve device 1 according to the present embodiment, the connection portion 20a which is one end portion of the operation lever member 20 formed in a substantially hemispherical shape, and the connection portion 20a are inserted and attached, and the movable valve body With the plane cross section S1 of the mounting hole 16a formed in the substantially circular cross-sectional shape of the guide member 16, the operation handle 4 and the operation lever member 20 are moved to the central axis A3 in a state where the movable valve body 10 is in the valve closing position P4. Even if it is rotated around, the connecting portion 20a of the operating lever member 20 rotates idly with respect to the mounting hole 16a of the movable valve element guide member 16, so that the movable valve element 10 does not rotate. Therefore, even if the operation handle 4 and the operation lever member 20 are rotated in an operation region on a plane parallel to the sliding surface 10b of the movable valve body 10 in a state where the movable valve body 10 is in the valve closing position P4, A structure in which the movable valve body 10 does not rotate with respect to the fixed valve body 12 within the sliding surface 10b can be easily realized.

DESCRIPTION OF SYMBOLS 1 Hot water mixing valve apparatus 2 Hot water mixing faucet apparatus 2a Hot water passage 2b Water passage 4 Operation handle 4a Connection part of operation handle 6 Spout 6a Water outlet 8 Counter 10 Movable valve body 10a Hot water communication part 10b Sliding surface of movable valve body 12 fixed valve body 12a hot water passage 12b water passage 12c hot water mixing passage 12d hot water side end of water passage 14 lower casing member (casing)
14a Rear end portion 14b Hot and cold mixing passage 15 Net member 16 Movable valve element guide member (guide means, valve guide portion)
16a Mounting hole (Mounting part)
16b Protrusion 18 Operation lever holding member 18a Elongation hole 18b Slot for guide 20 Operation lever member (operation part)
20a Connection part (one end part of an operation part)
20b Fitting portion 20c Ball portion 20d Mounting portion 20e Front surface 22 Seal member 24 Upper casing member 24a Mounting hole 26 Operation lever upper connection member (operation portion)
26a front surface 28 guide protrusion (guide means, protrusion)
28a Center axis of guide projection 30 Guide groove (guide means)
A2 Center axis extending in the front-rear direction of the lower casing member (center axis of the casing)

Claims (5)

A hot and cold water mixing valve device that is incorporated in a hot and cold water mixing faucet and discharges hot water mixed with hot water supplied from a hot water supply source and water supplied from a water supply source,
A casing provided on the upstream side of the water outlet of the hot and cold water mixing faucet,
A fixed valve body fixed in the casing and formed with a water passage through which hot water supplied from a hot water source flows and a water passage through which water supplied from the water supply source passes;
A movable valve body that is disposed in the casing and opens and closes a water passage and a water passage of the fixed valve body by sliding with respect to the fixed valve body, each of the water passage and the water passage. The movable valve body in which a hot and cold water communication portion for communicating the hot water and water that has passed through is formed inside,
One end is attached to the movable valve body, and is an operation unit that moves the movable valve body to open and close the movable valve body, and switches between water discharge and water stop, on the sliding surface of the movable valve body By operating in a vertical plane, the movable valve body opens a predetermined valve closing position and the water passage and / or the water passage for closing the water passage and the water passage of the fixed valve body. By moving between the predetermined valve opening position, the flow rate of the hot water downstream of the fixed valve body is adjusted, and when the movable valve body is in the valve opening position, the operation unit is moved to the movable position. By rotating in an operation area on a plane parallel to the sliding surface of the valve body, the ratio of hot water and water mixed in the hot water communication section of the movable valve body is adjusted to The operation unit that adjusts the temperature of hot water discharged from the water outlet, and
Even when the movable valve body is operated to rotate within the operation region on a plane parallel to the sliding surface of the movable valve body in the state where the movable valve body is in the valve closing position, the movable valve body is When the movable valve body is opened / closed at the front position of the hot / cold water faucet without rotating within the sliding surface, the valve closing is performed along the central axis of the casing. A hot and cold water mixing valve device that moves between the position and the valve opening position without rotating within the sliding surface, and only water is discharged from the water outlet.   2. The hot and cold water mixing according to claim 1, wherein a part of the water passage of the fixed valve body is located on a central axis of the casing and is formed from one region to the other region with respect to the central axis. Valve device.   Furthermore, it has a guide means provided between the casing and the movable valve body to guide the movement of the movable valve body, and the guide direction of the movable valve body guided by the guide means is the same as that of the casing. The hot and cold water mixing valve device according to claim 1 or 2, wherein the hot water / water mixing valve device is set in the same direction as the direction in which the central axis extends.   The guide means includes a protrusion formed so as to protrude inward from the casing, and a valve guide portion that is provided on the movable valve body and forms a guide groove into which the protrusion can be inserted. The hot and cold water mixing valve device according to claim 3.   One end portion of the operation portion is formed in a substantially hemispherical shape, and the valve guide portion of the movable valve body includes an attachment portion to which the one end portion of the operation portion is inserted and attached. When the movable valve body is closed, the operation portion rotates when the operation portion is rotated. When the movable valve body is opened, the operation portion is rotated. Then, the movable valve body is formed in a substantially circular cross-sectional shape corresponding to the substantially hemispherical shape of the one end portion of the operating portion so that the movable valve body moves with rotation with respect to the fixed valve body. 5. The hot and cold water mixing valve device according to any one of 4 above.

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