JP2005207478A - Water tap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water tap which can be easily handled, and can be easily simplified in its structure, and can easily reduce its manufacturing cost. <P>SOLUTION: The water tap has a water tap body 11 having a hot water side inlet passage 15, a cold water side inlet passage 16, an outlet passage 17, and a communication passage 18. The water tap further has a first valve apparatus 20 which is operated by means of a first operating portion 26 and communicates a secondary side end portion of the hot water side inlet passage 15 with a secondary side end portion of the cold water side inlet passage 16, and a second valve apparatus 30 which is operated by means of a second operating portion 36 and is connected to the secondary side of the first valve apparatus 20 via the communication passage 18, and further is connected with the primary side end portion of the outlet passage 17. The ratio of the water volume supplied from the hot water side inlet passage 15 to the communication passage 18 to the water volume supplied from the cold water side inlet passage 16 to the communication passage 18 is adjusted by the first valve apparatus 20. Whether the communication passage 18 is communicated with the outlet passage 17 or not is selected by means of the second valve apparatus 30. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a faucet.

  As a faucet having high operability, a “single lever faucet” as shown in FIGS. 13A and 13B has been conventionally used (see FIG. 1 in Patent Document 1). In this “single lever faucet”, generally, a valve device 70 operated by a “lever type operation portion 75” having an operation mode of tilting operation and rotation operation is disposed inside the faucet body 80. ing. Examples of the valve device 70 include a “plane sliding type valve device (a plane sliding type cartridge) 70 including a fixed valve body 71 and a movable valve body 72 that slide on each other”.

When this single lever type faucet is a faucet (hot water mixed faucet) that handles mixed water of “hot water” and “water”, this valve device 70 usually has a temperature control function and water discharge. A selection function is provided. That is, when the valve device 70 is operated by the “lever-type operation unit 75”, mixing of hot water and water supplied to the faucet main body 80, selection of the stop water, and adjustment of the water discharge amount are performed.
JP-A-9-42494

  As described above, in the conventional valve device 70, since it is necessary to perform temperature adjustment, selection of discharged water, and the like, the flow path structure is likely to be complicated. Therefore, when hot water or water that has flowed into the faucet body passes through the valve device 70, the hot water supply pressure or the water supply pressure of this hot water will drop (cause unexpected pressure loss). There is. For this reason, the hot water discharged from the “water discharge means (for example, currant, shower, etc.)” or the water discharge flow rate (momentum) of water cannot be secured sufficiently, and the convenience of use of the faucet may deteriorate.

  Further, the conventional “single lever type faucet” has a structure in which a single operation unit 75 performs a temperature adjustment operation, a discharge water selection operation, and a discharge amount adjustment operation. For this reason, there is a problem that the setting made by the “operation” performed before is easily changed by mistake during the “other operation” performed later. For example, when an operation for adjusting the temperature is performed on the operation unit 75 and hot water having a desired temperature is discharged, only an increase / decrease in the amount of water discharge is intended, and an operation for adjusting the water discharge amount is performed on the operation unit. However, in reality, there is a possibility that an unintended “change in water discharge temperature” may occur, and the conventional “single lever-type faucet” is also unusable from this point of view.

  Further, the conventional valve device 70 drives a movable part (movable valve body 72 and the like) of the valve device 70 together with a complicated flow path structure for exhibiting a temperature adjustment function, a function of selecting water to be discharged, and the like. Therefore, the manufacturing cost is likely to be high. For this reason, in the conventional “single lever faucet”, it is difficult to simplify the structure and to reduce the manufacturing cost.

  An example of a faucet that is less likely to cause pressure loss is a so-called “two-handle type” faucet. In this faucet, the mixing degree of hot water and water is adjusted using a separate handle. However, this two-handle water faucet requires a cumbersome handle operation in which both the hot water side handle and the water side handle are alternately operated repeatedly to manually set the water discharge temperature and the water discharge flow rate. Therefore, the “two-handle type” faucet also has a problem of poor usability.

  An object of the present invention is to solve the above-described problems, and to provide a water faucet that is easy to use and can be easily simplified in structure and reduced in manufacturing cost.

The water faucet of the invention of claim 1 includes a hot water side inflow passage through which hot water flows in, a water side inflow passage through which water flows in, an outflow passage connected to water discharge means, the hot water side inflow passage, and the water side. A faucet body comprising a faucet body having a communication path formed on the secondary side of the inflow path of
A first valve device that is operated by the first operating section and connected to the secondary side end of the hot water side inflow passage and the secondary side end of the water side inflow passage;
The second operation unit is operated by the second operation unit, connected to the secondary side of the first valve device through the communication path, and further connected to the primary side end of the outflow path. A valve device,
While adjusting the ratio of the amount of hot water to reach the communication path from the hot water inflow path and the amount of water to reach the communication path from the water inflow path by the first valve device,
The second valve device selects whether the communication path and the outflow path are in a non-communication state or a communication state.

  In this specification, directions such as “left”, “right”, “up”, “down”, “front”, “back”, and the like are determined based on the user. Further, in this specification, “tilting the lever-type operation unit upward” means, for example, an inclination angle of the lever-type operation unit (handle unit) (a direction in which the user moves upward toward the user side) It is assumed that the direction is increased) (upward with a predetermined part as a fulcrum). Furthermore, “tilting the operating portion downward” means, for example, decreasing the inclination angle of the lever-type operating portion (handle portion) (pressing downward with a predetermined portion as a fulcrum).

  The faucet according to the first aspect of the present invention does not have a mechanism for reducing the hot water supply pressure flowing into the faucet body or the water supply pressure flowing into the faucet body within the faucet body. That is, in the faucet body, since a valve device having a complicated flow path structure (for example, the above-described flat sliding valve device for adjusting temperature and stopping water) is not disposed, the water discharge means discharges water. The water flow rate (momentum) of hot water and water can be secured sufficiently.

  Further, in the faucet of the invention of claim 1, since it is not a structure for performing the temperature adjustment operation and the spout water operation by a single “operation part”, the “operation” performed previously. The settings that have been made will not be accidentally changed during the “other operation” performed later. That is, since the operation part (second operation part) for performing the selection operation of the stop water and the operation part (first operation part) for performing the temperature adjustment operation are separate bodies, In the state of being securely fixed, the selection operation of the spout water can be performed smoothly. Furthermore, in the faucet of the invention of the first aspect, as in the above-mentioned two-handle type faucet, “the water discharge temperature and the water discharge flow rate are manually set by alternately operating both the hot water side and the water side handles. There is no need for troublesome steering wheel operations.

  Thus, the faucet of the invention of claim 1 has high operability and excellent usability. Further, in the faucet of the invention of the first aspect, the valve device (for example, the above-mentioned “temperature adjustment and water stoppage is performed, which has a complicated flow path structure and a complicated drive mechanism” inside the faucet body. No flat sliding valve device etc.). For this reason, it is easy to simplify the faucet mechanism (structure) and reduce the manufacturing cost. Furthermore, in the faucet of the first aspect of the invention, since the hot water mixing part is not formed inside the first valve device, the first valve device can be made compact and has a simple structure. (That is, a simple mixing valve).

  In the invention of claim 1, an aspect is shown in which the connecting path is used as a “hot water mixing unit” for mixing “hot water” and “water”. That is, hot water that has flowed into the hot water-side inflow channel and water that has flowed into the water-side inflow channel are mixed in the communication channel. Then, the ratio of “the amount of hot water that reaches from the hot water inflow passage to the communication passage” and “the amount of water that reaches from the water inflow passage to the communication passage” is adjusted by the first valve device, so that “ The mixing ratio of “water” and “water” is adjusted, and the water discharge temperature of water discharged from the water discharge means is selected.

  Here, “the amount of hot water that reaches from the hot water inflow path to the communication path” refers to “the flow rate of hot water that reaches the communication path from the hot water inflow path per unit time”. The “amount of water that can reach the connecting path from the water” refers to “the flow rate of water that reaches the connecting path from the inflow path on the water side per unit time”. The first valve device according to the first aspect of the present invention provides one of “the amount of hot water that reaches the connecting passage from the hot water inflow passage” and “the amount of water that reaches the connecting passage from the water inflow passage”. “100% (% may be either volume% or weight%. The same applies hereinafter.)” Even if the other is mixed at a ratio of “0%”, both the amount of hot water and the amount of water are not 0%. (Make sure to include hot water and water). Note that “the amount of hot water that reaches the connecting path from the hot water inflow path” is 100% refers to the case where only the hot water flowing into the hot water inflow path is discharged by the main faucet. “To 100% of the amount of water that reaches the communication path from the water” means that the water faucet discharges only the water flowing into the inflow path on the water side.

The faucet of the invention of claim 2 includes a hot water side inflow passage through which hot water flows in, a water side inflow passage through which water flows in, an outflow passage connected to water discharge means, the hot water side inflow passage and the water side. A faucet body comprising a faucet body having a communication path formed on the secondary side of the inflow path of
A first valve device that is operated by the first operating section and connected to the secondary side end of the hot water side inflow passage and the secondary side end of the water side inflow passage;
The second operation unit is operated by the second operation unit, connected to the secondary side of the first valve device through the communication path, and further connected to the primary side end of the outflow path. A valve device,
With the first valve device, one of the hot water side inflow channel and the water side inflow channel is selectively communicated with the communication channel,
The second valve device selects whether the communication path and the outflow path are in a non-communication state or a communication state.

  In the invention of claim 2, the same effect as that of the invention of claim 1 can be obtained. That is, the faucet of the invention of claim 2 has high operability and excellent usability. In addition, since the “valve device with a complicated flow path structure and a complicated drive mechanism” is not arranged inside the faucet body, the faucet mechanism (structure) is simplified and the manufacturing cost is reduced. Is easy. Furthermore, since the hot water mixing part is not formed in the first valve device, the first valve device can be made compact and has a simple structure (that is, a simple mixing valve). be able to.

  In the faucet of the invention of claim 2, the point that it is not intended to mix the hot water that has flowed into the inflow channel on the hot water side and the water that has flowed into the inflow channel on the water side is within the faucet body. Different from the faucet of the invention. In other words, in the faucet of the invention of claim 2, the first valve device selectively communicates one of the hot water side inflow passage and the water side inflow passage with the communication passage. Only hot water flowing into the inflow channel is discharged, or only water flowing into the water-side inflow channel is discharged. The “first valve device” of the invention of claim 2 can be exemplified by a switching valve device having a water stop function (also referred to as “simultaneous water stop function” or “temporary water stop function”).

  That is, when the first operation unit is operated at a predetermined water stop position, the water stop state (that is, both the hot water side inflow channel and the water side inflow channel are not in communication with the communication channel, If the hot water in the inflow channel and the water in the inflow channel on the water side do not reach the connecting channel), and the first operation part is operated in one direction from the water stop position, only the hot water side inflow channel is When the first operation unit is operated in the other direction from the water stop position by communicating with the communication path, a “switching valve” that allows only the water-side inflow path to communicate with the communication path can be exemplified. Further, this switching valve may have a function of adjusting the water discharge flow rate in addition to the water stop function. In this case, the second valve device has a structure having only the water discharge selection function (a structure having only the water discharge selection function without the water discharge flow rate adjustment function), and the structure of the second valve device. Simplification can also be achieved.

  In the first and second aspects of the invention, the specific configurations of the first operation unit and the second operation unit are not particularly limited. For example, “only a rotation operation with a predetermined operation axis as an axis” is used. In addition to the “handle-type operation unit having an operation mode”, a push button type operation unit, a non-contact type operation unit (for example, a sensor detects that a user has approached and opens the discharge valve) An operation unit that is driven to detect that the user is separated and causes the discharge water valve to be closed and the like can be exemplified.

The faucet of claim 3 is the faucet of claim 1 or claim 2,
The second operation unit may be a lever-type operation unit having only one or both of a tilting operation in the vertical direction and a rotating operation in the horizontal direction, or only one of the operation modes.

  It is an object of the invention of claim 3 to obtain a faucet that has operability similar to that of a conventional single lever faucet, but that has corrected the drawbacks of the conventional single lever faucet. In other words, as in the present invention, in the faucet in which the operation part for selecting the stop water (second operation part) and the operation part for controlling the temperature (first operation part) are separate, the selection of the stop water is performed. The operation part (second operation part) for operation is operated more frequently than the operation part for temperature adjustment (first operation part). Normally, the faucet is used according to the installation location (for example, “for faucets used in bathrooms, for hand-washing”, “for faucets used in bathrooms, for bathing and washing hair”, “water used in kitchens” For faucets, “for dishwashing” etc. is limited, and there is a frequently used water discharge temperature for each faucet for each application. For this reason, it is because the operation frequency of the operation part for temperature adjustment (1st operation part) becomes low compared with the operation frequency of the operation part for selection of stop water (2nd operation part).

  Focusing on this point, in the invention of claim 3, the “second operation unit” that is frequently used is referred to as “lever-type operation unit” that has high operability. In addition, the disadvantages can be eliminated while taking advantage of the faucets provided with the conventional “lever-type operation section”. In other words, this “lever-type operation unit” does not have a structure for performing the temperature adjustment operation and the spouting water operation. Therefore, it is possible to eliminate the disadvantage that “unintended setting change is likely to occur” while taking advantage of “high operability of the operation unit”. Therefore, according to the invention of claim 3, it is possible to obtain a faucet that has the operability similar to that of the conventional single lever faucet and corrects the drawbacks of the conventional single lever faucet.

The invention of claim 4 includes a hot water inflow passage through which hot water is introduced, a water inflow passage through which water flows in, an outflow passage connected to water discharge means, the hot water inflow passage, and the water inflow passage. A faucet provided with a faucet body having a communication path formed on the secondary side,
A first valve device that is operated by the first operating section and connected to the secondary side end of the hot water side inflow passage and the secondary side end of the water side inflow passage;
The second operation unit is operated by the second operation unit, connected to the secondary side of the first valve device through the communication path, and further connected to the primary side end of the outflow path. A valve device,
The first valve device has a hot and cold water mixing function of mixing hot water supplied from the hot water side inflow passage and water supplied from the water side inflow passage,
The second valve device selects whether the communication path and the outflow path are in a non-communication state or a communication state,
The second operation unit may be a lever-type operation unit having only one or both of a tilting operation in the vertical direction and a rotating operation in the horizontal direction, or only one of the operation modes.

  Also in the invention of claim 4, since the mechanism for reducing the hot water supply pressure of the hot water flowing into the faucet body and the water supply pressure of the water flowing into the faucet body is not arranged in the faucet main body, The water flow rate (momentum) of hot water and water can be secured sufficiently. Further, in the faucet of the invention of claim 4, as in the above-described two-handle faucet, “the water discharge temperature and the water discharge flow rate are manually set by repeatedly operating both the hot water side and water side handles alternately. In this way, the faucet of the invention of claim 4 is also highly operable and easy to use.

  In the invention of claim 4, as in the invention of claim 3, there is provided a faucet that has the operability similar to that of a conventional single lever faucet and that corrects the disadvantages of the conventional single lever faucet. Can be obtained. Further, in the faucet of the invention of claim 4, since the valve device having a complicated flow path structure and a complicated drive mechanism is not arranged inside the faucet body, the mechanism (structure) of the faucet is simplified. It is easy to reduce the manufacturing cost and manufacturing cost. The “first valve device” of the invention of claim 4 can be exemplified by an automatic temperature control mechanism (thermostat type temperature control valve device) in addition to the “switching valve” type.

  The water faucet according to the invention of claim 4 is characterized in that “a mixing portion for mixing hot water flowing into the hot water side inflow passage and water flowing into the water side inflow passage is provided in the first valve device. It differs from the water faucet of the invention of claim 1 in that it includes a “mode to be provided”. That is, the invention of claim 4 includes a mode in which the hot water flowing into the hot water inflow passage and the water flowing into the water inflow passage are mixed in the first valve device. Further, the first valve device of the invention of claim 4 also has one of “the amount of hot water to reach the connecting passage from the hot water inflow passage” and “the amount of water to reach the connecting passage from the water inflow passage”. Even if it mixes by the ratio which makes it "100%" and makes the other "0%", you may mix in the ratio which does not make both the amount of hot water and the amount of water 0%.

  In the third and fourth aspects of the invention, the specific mode of the “first operation portion” is not particularly limited. For example, a “lever-type operation unit” similar to the second operation unit may be used, but a “handle-type operation unit” is more preferable. Since the operation frequency of the first operation unit is low, the “handle type operation unit” having lower operability than the “lever type operation unit” has little influence on the usability of the entire faucet. Moreover, the “handle-type operation unit” is less likely to cause unnecessary operations and careless operations (for example, erroneous operations caused by accidental touching of the user's body) than the “lever-type operation unit”. . For this reason, it is because a water discharge temperature can be fixed reliably by making the 1st operation part into a "handle type operation part."

  Further, in the invention of claim 3 and claim 4, when the operation mode of the second operation portion is only one of the tilting operation in the vertical direction and the rotating operation in the horizontal direction, the second valve It is possible to simplify the structure of the device (valve element structure, movable structure of the valve element, etc.) and to simplify the operation mode of the “second operation part” that is frequently used. That is, since the operation unit cannot swing in a “useless direction” unrelated to the water discharge operation or the like, the water discharge operation can be performed easily and instantaneously (that is, without using the water use operation straight). .

  Further, in the inventions of claim 3 and claim 4, when the operation mode of the second operation section is only the tilting operation in the vertical direction and the pivoting operation in the left-right direction, the tilting operation and the pivoting operation are performed. Even if both of them are similar operations (for example, “when both are operations for selecting spout water”, or “when both are operations for selecting spout water and water discharge amount”), An operation in which both the tilting operation and the turning operation are different (for example, “one is a selection operation for water discharge, and the other is an operation for adjusting the water discharge amount”, “one is a main operation as shown in claim 5). The operation may be “the other is an empty operation” or the like.

The faucet of claim 5 is the faucet according to claim 3 or claim 4,
The lever-type operation unit can be subjected to both a tilting operation in the vertical direction and a rotating operation in the horizontal direction,
One of the tilting operation and the turning operation constitutes this operation for changing the water stoppage state of the faucet,
The other of the tilting operation and the turning operation constitutes an empty operation for maintaining the water stoppage state of the faucet.

  According to the invention of claim 5, the lever-type operation section has a structure capable of performing both tilting operation and rotation operation. Then, when a tilting operation (or a rotation operation) is performed on the operation unit, the on-off valve state of the corresponding valve device (second valve device) changes (changes in the water stoppage state of the faucet). However, even if a rotation operation (or tilting operation) is performed, no change occurs in the on-off valve state of the valve device (no change occurs in the water stoppage state of the faucet).

  For this reason, according to the invention of claim 5, a faucet having good usability can be obtained for various use situations. In other words, since it has a swing angle (play angle) in the direction of rotation to the left and right (or the direction of tilting up and down), it is a faucet that is easy to use for various usage situations. Hereinafter, this point will be described with a specific example. In addition, the empty operation is “an operation for maintaining the water stoppage state of the faucet even if it is applied to the operation unit”, that is, “the operation of the faucet is performed even if it is applied to the operation unit. “Operation that does not cause change”.

  In the invention of claim 5, when the tilting operation is the main operation and the rotation operation is the empty operation, the same usability can be ensured regardless of the relative positions of the user and the faucet. For example, when the user is located in front of the faucet, with the lever-type operation unit facing the front, the operation unit is tilted up and down, and the corresponding valve device (second valve device) is What is necessary is just to drive an on-off valve. On the other hand, when the user is positioned diagonally forward or sideward of the faucet, the lever-type operation unit is turned, and the operation unit is directed toward the user, and then the operation unit is moved up and down. This is because the corresponding valve device (second valve device) can be driven to open and close.

  In addition, when the tilting operation is the empty operation and the rotation operation is the main operation, the same operation is performed regardless of the user's own situation (status of standing, sitting, adult, child, etc.). Usability can be secured. For example, when a user is sitting or a child is short, the operation unit may be opened and closed with the lever-type operation unit tilted downward. On the other hand, when the user is an adult in a standing state, the lever-type operation unit is tilted upward and the operation unit may be opened and closed. This aspect is also effective when an infant or the like wants to avoid operating the operation unit (for example, when hot water may be discharged). This is because the lever-type operation unit is tilted upward so that the hand of an infant or the like cannot be reached.

  In the invention of claim 5, “the water stoppage state of the faucet changes” means, for example, that the corresponding “valve device”, that is, the on / off valve state of the “second valve device” is changed (valve closed). Change from a state to a valve open state, or from a valve open state to a valve close state.), A faucet in a water stop state becomes a water discharge state, or a water faucet in a water discharge state becomes a water stop state Etc. Further, when the water discharge amount is also adjusted by the “valve device (second valve device)”, the opening degree of the “valve device (second valve device)” is changed (for example, the valve opening amount). And changing the amount of water discharged from the faucet.

  In the second to fourth aspects of the invention, the second operation unit may be a lever-type operation unit, or the first operation unit and the second operation unit are lever-type operation units. Also good. In the invention of claim 5, it is intended that at least the second operation unit is a “lever-type operation unit” to which the invention of claim 5 is applied. However, when the first operation unit and the second operation unit are lever-type operation units, the first operation unit is applied not only to the second operation unit but also to the first operation unit. It can also be a “lever-type operation unit”. Further, in the first to fifth aspects of the invention, when the first operation section is a “lever type operation section” that does not receive the application of the fifth aspect of the invention, the operation section includes a tilting operation. In addition, only one of the rotation operation and the rotation operation may be performed, or both the tilt operation and the rotation operation may be performed.

The faucet according to claim 6 is the faucet according to any one of claims 1 to 5,
A predetermined temperature control means is disposed outside the faucet body and on the primary side of the inflow channel on the hot water side,
Hot water whose temperature is controlled to a desired temperature in advance by the temperature adjusting means flows into the inflow passage on the hot water side.

  The invention of claim 6 has been made in consideration of the recent improvement in “accuracy of temperature control” performed by temperature control means (for example, a water heater). For example, the temperature accuracy of water heaters has improved in the market, and it has been made in view of the increase in cases where it is sufficient to discharge only hot water that has flowed into the inflow channel on the hot water side.

  That is, in the invention of claim 6, “hot water” whose temperature is controlled to a desired temperature on the primary side of the faucet body is caused to flow into the faucet body through the inflow passage on the hot water side. Therefore, the user can use the faucet in a more convenient state only by setting the temperature of the hot water supplied from the temperature control means to the faucet body to a desired temperature in advance. . In other words, if the temperature control means and the first valve device are operated in advance and the temperature is set, the hot water or water at a desired temperature can be discharged just by operating the second operation unit. Can do. For example, when it is desired to discharge hot water at a predetermined temperature (when supplying water to a bath, washing hair, rough hands, washing dishes, etc.), the hot water temperature is set in advance by the temperature control means and the first valve device. When it is sufficient to operate only the second operation unit and water is to be discharged (for cleaning or the like), the second operation unit is operated after setting the water discharge using the first valve device. Just enough.

  In other words, the temperature is adjusted at the side of the faucet as long as water is discharged (water passing) "only hot water supplied from the hot water supply source" or "only water supplied from the water supply source". There is no need to perform any operation. However, the invention of claim 6 does not exclude performing an adjusting operation on the first operation section. For example, when the temperature of “hot water supplied to the hot water inflow passage” is slightly high, an adjustment operation is performed on the first operation unit, and “water supplied to the water inflow passage” is added to this hot water. By mixing, the aspect which adjusts discharge water temperature (for example, fine adjustment) can be illustrated.

  In the first to sixth aspects of the present invention, the structures and types of the “first valve device” and the “second valve device” can be variously selected. For example, when the “first valve device” or the “second valve device” is a valve device operated by a “lever-type operation unit”, (A) the surfaces slide relative to each other, A plane-sliding valve device having a fixed valve body and a movable valve body for adjusting the opening / closing and communication degree of the valve, and (B) a fixed valve body and a movable valve body which are each formed in a cylindrical shape and are mutually inserted. And a rotary type valve device that opens and closes the flow path by sliding on the circumferential surface. Further, when the “first valve device” or the “second valve device” is a valve device operated by a “handle-type operation unit”, (A) a plane sliding valve device, (B) In addition to the rotary valve device, (C) a lift-type water stop valve that switches the flow path and adjusts the flow rate by moving the valve body forward and backward with respect to a pair of opposed valve ports, (D) the valve port And a ball valve type valve device that opens and closes the valve port by relatively moving the valve member and the valve port, and the like. .

  In addition, examples of the “water discharge means” of each invention of claims 1 to 6 include a currant and a shower.

  As described above, according to the present invention, it is possible to obtain a faucet that is easy to use and can be easily simplified in structure and reduced in manufacturing cost.

  Next, the best mode (hereinafter referred to as “Example”) of the “water faucet” according to each invention will be described in detail with reference to the drawings.

(1) Example 1

  In this embodiment, as shown in FIG. 1, a faucet 10 showing a specific example of the present invention and a “faucet equipment S” including the faucet 10 will be described. The “water faucet equipment S” includes a faucet 10, a main pipe portion 1A for hot water supply, and a main pipe portion 1B for water supply.

  The main pipe portion 1A for hot water supply is for supplying hot water whose temperature is controlled to a desired temperature on the primary side of the water tap 10 to the water tap 10. In the middle of the path of the pipe constituting the main pipe section 1A for hot water supply, from the primary side to the secondary side, the hot water heater 61, the hot water faucet 2a, and the hot water side check valve 3a. And a hot water side strainer 5a are interposed in this order.

  The water heater 61 constitutes a specific example of temperature control means, and a hot water supply control device 62 and a hot water supply operation unit (switch) 63 are electrically connected. And if a user designates desired temperature with the hot water supply operation part (switch) 63, the sensor (a temperature sensor, a flow sensor, etc.) built in the hot water heater 61 and the hot water supply control apparatus (microcomputer, control program, etc.) will be described. The temperature of the “hot water” flowing from the water heater 61 toward the faucet 10 is controlled to a desired temperature.

  The original water supply pipe section 1B is for supplying water from the water supply source (C) to the faucet 10 as it is. In the middle of the path of the pipe constituting the original water supply pipe section 1B, from the primary side to the secondary side, the water-side stop cock 2b, the water-side check valve 3b, A strainer 5b is interposed in this order.

  The faucet 10 is a so-called “pedestal type (deck type) faucet, and includes a faucet body 11 and water discharge means 40 as shown in FIG. 2. Further, a hot water supply port 12 and a water supply port 13 are provided on the bottom surface of the faucet body 11, and a water discharge connection port 14 is provided on the front surface. And the "secondary side end" of the hot water supply original piping part 1A is connected to the hot water supply port 12, and the "secondary side end" of the water supply original pipe part 1B is connected to the water supply port 13. Is connected. Further, the “primary side end” of “Karan” constituting one specific example of the water discharge means 40 is connected to the water discharge connection port 14.

  As shown in FIGS. 1 and 2, the faucet body 11 includes therein a hot water-side inflow passage 15, a water-side inflow passage 16, an outflow passage 17, and a communication passage 18. Further, the faucet body 11 includes a first valve device 20 and a second valve device 30 disposed on the secondary side of the valve device 20. As shown in FIG. 2, the “primary side end” of the hot water inflow passage 15 is connected to the hot water inlet 12, and the “secondary side end” of the hot water side inflow passage 15 is 1 is connected to the hot water inlet 21 of the valve device 20. The “primary side end” of the water-side inflow passage 16 is connected to the water supply port 13, and the “secondary side end” of the water-side inflow passage 16 is connected to the water intake of the first valve device 20. Connected to the inlet 23.

  As shown in FIG. 2, the outflow path 17 has its primary end connected to the hot water outlet 32 of the second valve device 30, and the “secondary end” connected to the spout connection port 14. Connected to. Furthermore, the communication path 18 is an internal flow path for connecting the first valve device 20 and the second valve device 30, and the primary side end portion thereof is a hot water outlet of the first valve device 20. 24, and the primary end is connected to the hot water inlet 31 of the second valve device 30.

  As shown in FIG. 2, the first valve device 20 includes “the hot water flowing into the first valve device 20 after passing through the hot water inflow passage 15 and the hot water inlet 21 in this order” and “the water side A valve mechanism (not shown) is provided for mixing “water flowing into the first valve device 20 after passing through the inflow path 16 and the water intake port 23 in this order” at a desired mixing ratio. In the first valve device 20, an operation shaft (for example, a spindle) 25 is projected forward of the faucet body 11. A handle-type operation unit (side operation unit) 26 is attached to the protruding end of the operation shaft 25.

  The operation unit 26 has only the rotation operation with the operation shaft 25 as an axis as an operation mode. And as shown in FIG.3 (b), when the handle part 26a of the operation part 26 is set to the upward direction, the hot water flowing in from the hot water inlet 21 and the water flowing in from the water inlet 23 are equal. Mixed at a ratio (ie, mixed at a ratio of 1: 1). On the other hand, as the handle portion 26a of the operation portion 26 is rotated in the clockwise direction, the hot water mixing ratio gradually increases, and when the operation portion 26 is fully rotated to the right, the ratio of “hot water” is 100%. It becomes. On the contrary, as the handle portion 26a of the operation portion 26 is rotated in the counterclockwise direction, the hot water mixing ratio gradually decreases, and when the operation portion 26 is fully rotated counterclockwise, the ratio of “water” is 100. %.

  In the present embodiment, illustration of the specific configuration of the first valve device 20 is omitted, but for example, a flat sliding type water discharge valve, a lift type water discharge valve, a rotary type water discharge valve, and the like. Various valve devices, such as a water stop valve and a ball valve type water stop valve, can be exemplified. Further, even if the first valve device 20 is in accordance with the invention of claim 1 (hereinafter referred to as “the former”), it is in accordance with the invention of claim 4 (hereinafter referred to as “the latter”). Also good. That is, as a specific example of the former, “hot water flowing into the first valve device 20 from the hot water inlet 21” and “water flowing into the first valve device 20 from the water inlet 23” are communicated. What is mixed in the channel 18 can be exemplified, and as one specific example of the latter, “hot water flowing into the first valve device 20 from the hot water inlet 21” and “the first valve device from the water inlet 23” For example, water flowing into the communication path 18 after being mixed in the first valve device 20 can be exemplified.

  The second valve device 30 is a “plane-sliding valve device” operated by a “lever-type operation unit 36 {see FIG. 3A}” whose operation mode is only a tilting operation along the vertical direction. It is. The second valve device 30 includes a valve mechanism including a fixed valve body 33, a movable valve body 35, and a transmission means 35d. Among these, as shown in FIG. 4, the fixed valve body 33 has a top surface as a sliding surface with the movable valve body 35 and a state in which the hot water inflow passage 33a and the hot water outflow passage 33b pass through the upper and lower surfaces. Prepare for. The primary side end of the hot water inflow passage 33a is connected to the hot water inlet 31 via the hot water introduction path 38 (see FIG. 2) and the secondary end of the hot water outflow passage 33b is It is connected to the hot water outlet 32 via a hot water outlet 39 (see FIG. 2) and the like.

  The movable valve body 35 is operated by a lever-type operation section (second operation section) 36 with its lower surface serving as a sliding surface with the fixed valve body 23. That is, when the handle portion 36a of the lever-type operation portion (second operation portion) 36 is grasped by hand and tilted upward, the transmission means 35d (swing shaft) is centered on the swing shaft 35e. Strengthen the inclination in the direction away from the user (back side of the user). (Oscillate, see FIG. 2). Thereby, the lower end part of the transmission means 35d moves in the direction approaching the user, and the movable valve body 35 locked to the lower end part slides on the fixed valve body 23 toward the user side.

  On the other hand, when the handle portion 36a of the lever-type operation portion (second operation portion) 36 is grasped by hand and tilted downward, the transmission means 35d is moved toward the user centering on the swing shaft 35e. Increase the slope of the. (Oscillates, see FIG. 2). As a result, the lower end of the transmission means 35d moves in a direction away from the user, and the movable valve body 35 locked to the lower end slides on the fixed valve body 23 in a direction away from the user. To do. Moreover, as shown in FIG. 4, the movable valve body 35 is provided with a communication passage 35a that opens at its sliding surface.

  In the second valve device 30, as shown in FIGS. 4 (a) and 4 (b), when the lever type operation portion (second operation portion) 36 is tilted to the lowest position, the movable valve body 35 is fixed. Move to the last position on the body 23. At this time, since the communication passage 35a communicates only with the hot water outflow passage 33b, the hot water inflow passage 33a and the hot water outflow passage 33b are not in communication with each other, and the second valve device 30 is closed. For this reason, this water tap 10 will be in a water stop state.

  In the second valve device 30, when an upward tilting operation is given to the “lever-type operation unit (second operation unit) 36” tilted to the lowermost position, the movable valve body 35 is fixed to the fixed valve body 23. Move up and forward. Then, as shown in FIGS. 4C and 4D, when the communication passage 35a is in communication with the hot water inflow passage 33a and the hot water outflow passage 33b, the second valve device 30 is opened. Further, until the “upward tilting operation amount” applied to the lever-type operation unit (second operation unit) 36 reaches the upper limit, as the tilting operation amount is increased, the hot water inflow passage 33 a and the hot water are increased. The degree of communication with the outflow passage 33b increases, and the valve opening amount of the second valve device 30 increases. That is, when the “upward tilting operation amount” applied to the lever-type operation unit (second operation unit) 36 is increased, the amount of water discharged from the water discharging means 40 increases.

  Next, a usage example of the faucet equipment S will be briefly described with reference to FIGS. First, as shown in FIG. 2, when the second operation unit 36 is tilted to the lowest position and is in the water stop position, the valve mechanism in the second valve device 30 is in a water stop state, and the main water The stopper 10 is in a water stop state. 5 to 7, a dotted line H schematically shows how hot water is passed, and a two-dot chain line C schematically shows how water is passed.

  When only hot water supplied from the hot water supply original piping section 1A is discharged (hereinafter referred to as hot water discharge), the first operation section 26 is fully rotated clockwise (see FIG. 5B). Then, the second operation unit 36 is tilted upward (see FIG. 5A). Thereby, the hot water H supplied to the faucet body 10 from the main piping part 1A for hot water supply is discharged through the water discharging means 40 (Karan) {see FIG. 5 (c)}. The amount of water discharged during the “hot water discharge” is determined by the upward tilt amount of the second operation unit 36. On the other hand, when stopping the hot water discharge, the second operation unit 36 is tilted downward.

  When only water supplied from the water supply main piping section 1B is discharged (hereinafter referred to as water discharge), the first operation section 26 is fully rotated counterclockwise {see FIG. 6 (b). }, The second operation unit 36 is tilted upward {see FIG. 6A}. Thereby, the water C supplied to the faucet body 10 from the original water supply pipe section 1B is discharged through the water discharging means 40 (curan) {see FIG. 6 (c)}. The amount of water discharged during the “water discharge” is determined by the upward tilt amount of the second operation unit 36. On the other hand, in order to stop water discharge, the second operation unit 36 is tilted downward.

  When it is desired to discharge the mixed water of the hot water supplied from the hot water supply main piping unit 1A and the water supplied from the main water supply piping unit 1B, the first operation unit 26 is operated to the intermediate position. After that, {see FIG. 7B}, the second operation unit 36 is tilted upward {see FIG. 7A}. Thereby, the mixed water (henceforth mixed water) of the hot water H supplied from the hot water supply original piping part 1A and the water C supplied from the hot water supply original piping part 1B becomes the water discharge means 40 (curan). ) Is discharged through {see FIG. 7 (c)}. The amount of water discharged during the “water discharge” is determined by the upward tilt amount of the second operation unit 36. On the other hand, in order to stop water discharge, the second operation unit 36 is tilted downward.

  The temperature of the mixed water is selected according to the operation position of the first operation unit 26 as described above. In other words, when the handle portion 26a of the first operation unit 26 is directed directly upward, the temperature of the mixed water is equal to “the hot water flowing in from the hot water inlet 21 and the water flowing in from the water inlet 22 are equal. It is a “mixing temperature at a certain ratio (that is, mixing at a ratio of 1: 1)”. Then, as the handle portion 26a is rotated in the clockwise direction {for example, the position denoted by reference numeral 261a in FIG. 7B}, the temperature of the mixed water becomes higher, and the handle portion 26a is rotated in the counterclockwise direction { For example, the position marked with reference numeral 262a in FIG. 7B}, the temperature of the mixed water is lowered. However, in this embodiment, since the temperature of hot water supplied from the hot water supply original piping section 1A is controlled to a desired temperature by the temperature control means, there is little need to mix hot water.

  As described above, in the faucet 10 of the present embodiment, since a valve device having a complicated flow path structure is not disposed inside the faucet body 11, hot water or water discharged from the water discharging means (calant) 40 is used. Sufficient flow rate (momentum) can be secured. In addition, it is possible to obtain the faucet 10 having the operability similar to that of the conventional single lever faucet and correcting the drawbacks of the conventional single lever faucet. Furthermore, like the above-mentioned two-handle faucet, “the troublesome handle operation of manually setting the water discharge temperature and water discharge flow rate by alternately operating both the hot water side and water side handles is necessary. Therefore, the faucet 10 of this embodiment has high operability and excellent usability.

  In addition, in the faucet 10 of the present embodiment, since the structure is complicated and no expensive parts are arranged in the faucet body 11, the mechanism (structure) of the faucet 10 is simplified and the production cost is reduced. It is easy to reduce the cost. In addition, the user simply sets the temperature of the hot water supplied from the temperature control means (water heater 61) to the faucet body 11 in advance to a desired temperature, so that the faucet can be used in a more convenient state. 10 can be used.

(2) Example 2

  Next, the faucet equipment T of Example 2 will be described with reference to FIGS. In the second embodiment, “the configuration of the second valve device 50”, “the operation mode of the second operation unit 56”, and “the second operation unit 56” of the faucet 100 constituting the faucet facility T. The configuration is the same as that of the first embodiment except that the configuration of the transmission means for transmitting the operation given to “is different”. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  The 2nd valve apparatus 50 of this Example 2 is a rotary type valve apparatus, as shown in FIGS. The second valve device 50 includes a valve mechanism including a fixed valve body 53, a movable valve body 55, and a drive shaft 55 a provided integrally with the movable valve body 55. The fixed valve body 53 and the movable valve body 55 are both formed in a cylindrical shape, and the movable valve body 55 is fixed to the fixed valve body with the axial centers of the fixed valve body 53 and the movable valve body 55 aligned. 53 is inserted in the internal space. That is, the fixed valve body 53 and the movable valve body 55 are in a state in which the inner peripheral surface of the fixed valve body 53 and the outer peripheral surface of the movable valve body 55 are slidable on the peripheral surface in a state where the axes are coaxially arranged. It is inserted.

  The second valve device 50 is operated by a lever-type operation unit (that is, a second operation unit) 56 that can be tilted in the vertical direction and rotated in the horizontal direction. That is, when the operation unit 56 is tilted, the drive shaft 55a and the movable valve body 55 are driven up and down. Further, when the operation unit 56 is turned, the drive shaft 55a and the movable valve body 55 are turned. That is, when the operation unit 56 is tilted from below to above, the drive shaft 55a and the movable valve body 55 are raised along the axial direction of them (the drive shaft 55a and the movable valve body 55).

  Further, when the operation unit 56 is tilted downward from above, the drive shaft 55a and the movable valve body 55 are lowered along the axial direction of them (the drive shaft 55a and the movable valve body 55). Furthermore, when a right rotation operation is applied to the operation unit 56, the drive shaft 55a and the movable valve body 55 rotate right around the axis of the drive shaft 55a and the movable valve body 55, and the operation unit 56 is rotated to the left. Is added, the drive shaft 55a and the movable valve body 55 are configured to rotate counterclockwise around the axis of the drive shaft 55a and the movable valve body 55.

  The specific configuration of the “transmission means” for transmitting the operation (operation force) applied to the operation unit 56 to the drive shaft 55a and the movable valve body 55 is not particularly limited. For example, the following specific examples It can be illustrated. For example, a "substantially friction wheel-like part (may be a gear-like part)" is provided at one end 56a of the operation part 56, and the operation part 56 (handle part 56b) is placed on the axis of the substantially friction wheel-like part. It can be tilted as a fulcrum. Further, a friction wheel 55b for transmission of driving force (a gear or a pinion may be used between the peripheral surface of the substantially friction wheel-shaped portion and the peripheral surface of the drive shaft 55a. The shaft 55a is rack-shaped). When the operation portion 56 is tilted about the substantially friction wheel-shaped portion, the "substantially friction wheel-shaped portion" rotates, and the rotational force generated by this rotation is transmitted to the drive shaft 55a through the friction wheel 55b. Then, the drive shaft 55a is moved up and down. On the other hand, when the operation unit 56 is rotated left and right, the friction wheel 55b, the drive shaft 55a, and the movable valve body 55 are integrally rotated left and right. Further, the “transmission means” may be configured by other mechanisms such as a link mechanism.

  The movable valve body 55 has a hot water passage 57 as its internal space, and a peripheral hot water outlet 58 a in the peripheral wall 58. Among these, the “primary side end” of the hot water passage 57 is connected to the “hot water intake 31 (see FIG. 8)” in the second valve device 50 of the second embodiment, and the “secondary side”. The side end ”is continuous with the hot water outlet 58a. The movable-side hot water outlet 58 a is provided in a state of penetrating the front and back of the peripheral wall portion 28, and has a substantially arc shape that is elongated along the circumferential direction of the movable valve body 55.

  The fixed valve body 53 has an internal space as a sliding space for the movable valve body 55, and a peripheral wall portion 54 is provided with a hot water outlet 54a on the fixed side. The fixed side hot water outlet 54 a also passes through the front and back of the peripheral wall portion 54 and is provided in a substantially arc shape along the circumferential direction of the fixed valve body 53. However, in the hot water outlet 54a on the fixed side, the width along the circumferential direction of the peripheral wall portion 54 is made smaller than that of the aforementioned “movable hot water outlet 58a”. Further, the “secondary side end” of the hot water outlet 54a on the fixed side is in communication with the “hot water inlet 32 (see FIG. 8)” in the second valve device 50 of the embodiment.

  In the second valve device 50, as shown in FIGS. 8 and 9, when the operation portion 56 (handle portion 56b) orients its axis substantially horizontally, the movable valve body 55 is positioned at the lowermost position. At this time, the hot water outlet 58a on the movable side is located below the hot water outlet 54a on the fixed side, and the hot water outlets 58a and 54a are in a non-communication state {see FIG. 10 (a)}. That is, the faucet 100 of the present embodiment is in a water stop state. Further, when the operation unit 56 is tilted upward, the movable valve body 55 is raised. When the amount of tilting upward of the operation unit 56 reaches a predetermined amount, both hot water outlets 58a and 54a are in communication (see FIG. 10B). Thereby, the faucet 100 of a present Example will be in a water discharge state. Of the movable hot water outlet 58 a, the amount released by the fixed hot water outlet 54 a, that is, the released amount of the hot water outlet 58 a is determined by the upward tilting amount of the operation unit 56. In other words, in the second valve device 50, the upward and downward tilting operation applied to the operation portion 56 (the handle portion 56b) constitutes the “main operation”.

  On the other hand, even if a rotation operation (right rotation operation or left rotation operation) is performed on the operation unit 56, no change occurs in the water stoppage state of the faucet 100. That is, in the second valve device 50, the left / right turning operation applied to the operation portion 56 (the handle portion 56b) constitutes the “empty operation”. Specifically, the position along the vertical direction (tilting direction) of the operation unit 56 is a position where the hot water outlets 58a and 54a do not communicate with each other (the hot water outlet 58a on the movable side is below the hot water outlet 54a on the fixed side). In the case of the arrangement position, both hot water outlets 58a and 54a maintain a discontinuous state even if the operation unit 56 is rotated (right rotation or left rotation). That is, when the position along the vertical direction (tilting direction) of the operation unit 56 is a position where the faucet 100 is in a water stop state, the operation unit 56 is rotated (right rotation operation or left rotation operation). Even so, the water tap 100 remains in a water-stopped state.

  In addition, the position along the vertical direction (tilting direction) of the operation unit 56 is a position where the hot water outlets 58a and 54a communicate with each other (a position where the movable hot water outlet 58a is disposed below the fixed hot water outlet 54a). ), Both hot water outlets 58a and 54a maintain the communication state even if the operation unit 56 is rotated (right rotation operation or left rotation operation). Moreover, the movable hot water outlet 58 a is provided in a long shape along the circumferential direction of the peripheral wall portion 56. For this reason, even if the relative position along the circumferential direction of the movable-side hot water outlet 58a and the fixed-side hot water outlet 54a is changed by rotating the operation unit 56, the movable-side hot water outlet 58a The amount released by the hot water outlet 54a on the fixed side, that is, the released amount of the hot water outlet 58a is not changed. That is, when the position along the vertical direction (tilting direction) of the operation unit 56 is a position where the faucet 100 is in a water discharge state, the operation unit 56 is subjected to a rotation operation (right rotation operation or left rotation operation). However, the faucet 100 remains in the water discharge state, and the water discharge amount is kept constant.

  Next, the usage example of this water faucet equipment T is demonstrated easily using FIGS. 9-12. First, as shown in FIG. 9, when the second operation portion 56 is tilted to the lowest position, the valve mechanism in the second valve device 50 is stopped, and the faucet 100 is stopped. It becomes a water state.

  When the user A who looks at the faucet 100 in front of the fountain water, fountain water, or mixed water fountain {see FIG. 11A}, first, the first operation unit 26 is set to a desired one. It operates to the operation position which shows a water discharge aspect. That is, when performing hot water discharge, it operates to the hot water spout position which performs a full rotation to the right, and when performing water discharge, it operates to the water discharge position to perform a full rotation to the left. Moreover, when discharging mixed water, it operates to the intermediate position between the hot water discharging position and the water discharging position {see FIG. 9B}. Thereafter, the second operation unit 56 is tilted upward (see FIG. 9A). As a result, the movable valve body 55 rises together with the drive shaft 55a, and the hot water outlet 58a on the movable side communicates with the hot water outlet 24a on the fixed side {see FIG. 11 (b)}. Water discharge, water discharge b, or mixed water is discharged. On the other hand, when the user A located in front of the faucet 100 stops water discharge, water discharge or mixed water discharge, the second operation unit 56 is tilted downward.

  When the user B who looks at the faucet 100 diagonally forwards discharges hot water, water, or mixed water {see FIG. 12 (a)}, the user B first performs the second operation. A left rotation operation is applied to the unit 56, and the second operation unit 56 is directed to its front. Thereafter, the first operation unit 26 is operated to an operation position indicating a desired water discharge mode, and further, the second operation unit 56 is tilted upward. As a result, the movable valve body 55 rises together with the drive shaft 55a, and the hot water outlet 58a on the movable side communicates with the hot water outlet 24a on the fixed side {see FIG. 12 (b)}. Water discharge, water discharge or mixed water is discharged. On the other hand, when the user A located in front of the faucet 100 stops water discharge, water discharge or mixed water discharge, the second operation unit 56 is tilted downward.

  When the user C who sees the faucet 100 diagonally right forward discharges hot water, water, or mixed water, the user C first applies a right rotation operation to the second operation unit 56. The second operation unit 56 is directed to the front of itself. Thereafter, the first operation unit 26 is operated to an operation position indicating a desired water discharge mode, and further, the second operation unit 56 is tilted upward. As a result, the movable valve body 55 rises together with the drive shaft 55a, and the hot water outlet 58a on the movable side communicates with the hot water outlet 24a on the fixed side {see FIG. 12 (c)}. Water discharge, water discharge or mixed water is discharged. On the other hand, when the user A located in front of the faucet 100 stops water discharge, water discharge or mixed water discharge, the second operation unit 56 is tilted downward. In any case of discharging water, the amount of water discharged is determined by the upward tilt amount of the second operation unit 56.

  Thus, in the present embodiment, the second operation unit 56 has a swing angle (play angle) in the left and right rotation direction (rotation direction). For this reason, even when the user is not located in front of the faucet 100 (when obliquely forward or laterally), the user can point the second operation unit 56 toward his / her own front, You can move closer to yourself. That is, the water faucet 100 can change the position of the second operation unit 56 in accordance with the use situation, and perform a water discharge operation or a water discharge amount selection operation.

  According to the second embodiment, in addition to the effects of the first embodiment, the following effects can be obtained. That is, in the faucet 100 according to the second embodiment, in the second operation unit 56, the tilting operation is the main operation and the rotation operation is the empty operation, and thus the relative position between the user and the faucet 100 is related. The same usability can be secured. That is, since it has a swing angle (play angle) in the left and right rotation directions (up and down tilt directions), the faucet 10 is easy to use in various usage situations. Further, in the faucet 100 of the present embodiment, an intentional difference is provided in the operability of the two operation units 26 and 56. That is, the operability of the “second operation unit 56” that is frequently used is further enhanced, and the faucet 100 that further improves the usability, that is, “the frequently used operation for selecting the water discharge is given priority. Thus, it is possible to obtain the faucet 100 with improved usability.

  The scope of each invention is not limited to the specific modes shown in the above embodiments, and various modifications can be exemplified within the scope of each invention. That is, unlike each embodiment, the second operation units 36 and 56 may be handle-type operation units, the first operation unit 26 may be a lever-type operation unit, and both operation units may be lever-type operation units. It is good. In the lever-type operation unit, the rotation operation may be the main operation, and the tilting operation may be the empty operation.

  Unlike each embodiment, as in the modification shown in FIG. 3C, the first operation unit 26 is moved to an “intermediate operation position” between the “operating position of hot water discharge” and the “operating position of water discharge”. It is also possible to select a configuration in which the first valve device 20 is closed when operated to a predetermined position selected from (for example, a central operation position). This modification shows a specific example of the invention of claim 2.

  Further, in the faucet according to each claim, a display means for displaying the operation state of the first operation unit 26 may be added. For example, as in the modification shown in FIGS. 3D and 3E, the cylindrical shape or the like with respect to the operation axis of the first operation unit 26 {not shown in FIGS. 3D and 3E}. The display means 28 configured as follows is coaxially packaged. The first operation unit 26 has a structure that moves back and forth along the axial direction of the operation shaft (and the display means 28) in accordance with the rotation operation.

  Further, when the first operation unit 26 is operated to the side of the hot water, the first operation unit 26 moves back and forth in one direction to expose a predetermined portion of the display means 28. At this time, “a display indicating that the first operation unit 26 is operated at the hot water spout position (for example, a display consisting of characters“ hot water ”,“ red display ”, etc.) Is exposed. On the other hand, when the first operation unit 26 is operated to the water spouting side, the first operation unit 26 advances and retreats in the other direction to expose the other part of the display means 28. At this time, the “display indicating that the first operation unit 26 is operated at the water discharge position (for example, a display composed of characters of“ water ”,“ blue display ”, etc.)” made on the other portions. It is set to expose.

  According to this modification, the usability of the faucet is further improved. That is, in the faucet of each of the present invention, the operation for adjusting the water discharge temperature and the operation for selecting the water discharge are performed by separate operation units. For this reason, without confirming the water discharge mode (current water discharge temperature), the selection operation of the water discharge is performed, or the water discharge mode is mistakenly recognized by misunderstanding (that is, the hot water discharge state and the water discharge state are mistaken). There is a possibility of performing the selection operation of the water stoppage. For example, without fully confirming that the first operation unit is operated to a position where hot water is discharged, the second operation unit is opened, and hot water unintended by the user is discharged from the water discharge means. There is a possibility of running out of water. On the other hand, according to this modified example, the operation position (water discharge mode) of the first operation unit 26 can be reliably confirmed before the second operation unit is operated. Can prevent water discharge.

  The present invention can be used, for example, in the field of manufacturing, selling, installing, processing and the like of faucets.

It is a block diagram which shows the water faucet equipment (water faucet) of Example 1. FIG. It is a block diagram which shows the water tap of Example 1. FIG. (A) is a schematic perspective view showing the second operation unit of the first embodiment, (b) is a schematic front view showing the first operation unit of the first embodiment, and (c) is a modified example. FIG. 2 is a schematic front view showing one operation unit, and FIG. 3D is a schematic plan view showing a first operation unit of another modification. (A) is a schematic plan view showing the fixed valve body of the second valve device of the first embodiment, and (b) is a schematic diagram showing the fixed valve body and the movable valve body of the second valve device of the first embodiment. Longitudinal sectional view {corresponding to the AA cross section of FIG. 4 (a)}, (c) is a schematic plan view showing the fixed valve body of the second valve device of the first embodiment, and (d) is the embodiment. It is a schematic longitudinal cross-sectional view which shows the fixed valve body and movable valve body of 1st 2nd valve apparatus {equivalent to the BB cross section of FIG.4 (c)}. (A) is a schematic side view of the second operation unit at the time of hot water discharge in Example 1, (b) is a schematic front view of the first operation unit at the time of hot water discharge in Example 1, (c) ) Is a block diagram at the time of hot water discharge in the faucet of Example 1. FIG. (A) is a schematic side view of the second operation unit at the time of water discharge in Example 1, (b) is a schematic front view of the first operation unit at the time of water discharge in Example 1, (c) ) Is a block diagram at the time of water discharge in the faucet of Example 1. FIG. (A) is a schematic side view of the second operation unit when discharging mixed water in Example 1, and (b) is a schematic front view of the first operation unit when discharging mixed water in Example 1. FIG. 4C is a block diagram when the mixed water is discharged in the faucet of the first embodiment. It is a block diagram which shows the water faucet equipment (water faucet) of Example 2. (A) is a schematic perspective view which shows the 2nd operation part of Example 2, (b) is a schematic front view which shows the 1st operation part of Example 2. FIG. (A) is a schematic principal part longitudinal cross-sectional view (water stop state) of the 2nd valve apparatus in Example 2, (b) is a general outline of the 2nd valve apparatus in Example 2. FIG. (A) is a schematic principal part cross-sectional view of the 2nd valve apparatus in Example 2 {it is a water stop state, and is equivalent to the II cross section of Fig.10 (a). (B) is a schematic cross-sectional view of the main part of the second valve device in the second embodiment {in a water discharge state, and corresponds to the II-II cross section in FIG. 10 (a). }). (A) is a schematic principal part cross-sectional view of the 2nd valve apparatus in Example 2 {it is a water stop state, and is equivalent to the II cross section of Fig.10 (a). (B) and (c) are schematic cross-sectional views of the main part of the second valve device in the second embodiment {in a water discharge state, corresponding to the section II-II in FIG. 10 (a)] To do. }). (A) is a block diagram which shows the water tap of a prior art example, (b) is a schematic perspective view which shows the operation part of a prior art example.

Explanation of symbols

10; faucet,
11; faucet body,
15; inflow channel on the hot water side,
16; water-side inflow channel,
17; Outflow path,
18;
20; a first valve device;
26; a first operation unit;
30, 50; second valve device,
36, 56; second operation part,
40; water discharge means,
51; Water heater (temperature control means).

Claims (6)

Formed on the secondary side of the hot water side inflow channel, the water side inflow channel for water flow in, the outflow channel connected to the water discharge means, and the hot water side inflow channel and the water side inflow channel A faucet provided with a faucet body comprising:
A first valve device that is operated by the first operating section and connected to the secondary side end of the hot water side inflow passage and the secondary side end of the water side inflow passage;
The second operation unit is operated by the second operation unit, connected to the secondary side of the first valve device through the communication path, and further connected to the primary side end of the outflow path. A valve device,
While adjusting the ratio of the amount of hot water to reach the communication path from the hot water inflow path and the amount of water to reach the communication path from the water inflow path by the first valve device,
A faucet characterized by selecting whether the communication path and the outflow path are in a non-communication state or a communication state by the second valve device. Formed on the secondary side of the hot water side inflow channel, the water side inflow channel for water flow in, the outflow channel connected to the water discharge means, and the hot water side inflow channel and the water side inflow channel A faucet provided with a faucet body comprising:
A first valve device that is operated by the first operating section and connected to the secondary side end of the hot water side inflow passage and the secondary side end of the water side inflow passage;
The second operation unit is operated by the second operation unit, connected to the secondary side of the first valve device through the communication path, and further connected to the primary side end of the outflow path. A valve device,
By the first valve device, one of the hot water side inflow channel and the water side inflow channel is selectively communicated with the communication channel,
The faucet characterized by selecting whether the communication path and the outflow path are in a non-communication state or a communication state by the second valve device.   2. The lever-type operation unit according to claim 1, wherein the second operation unit is a lever-type operation unit configured to operate only one or both of the tilting operation in the vertical direction and the rotation operation in the horizontal direction. Or the faucet of Claim 2. Formed on the secondary side of the hot water side inflow channel, the water side inflow channel for water flow in, the outflow channel connected to the water discharge means, the hot water side inflow channel and the water side inflow channel A faucet body comprising a faucet body comprising:
A first valve device that is operated by the first operating section, and to which a secondary side end of the hot water side inflow passage and a secondary side end of the water side inflow passage are connected;
The second operation unit is operated by the second operation unit, connected to the secondary side of the first valve device via the communication path, and further connected to the primary side end of the outflow path. A valve device,
The first valve device has a hot and cold water mixing function of mixing hot water supplied from the hot water side inflow passage and water supplied from the water side inflow passage,
The second valve device selects whether the communication path and the outflow path are in a non-communication state or a communication state, and
The faucet characterized in that the second operation section is a lever-type operation section in which only one of the tilting operation in the up and down direction and the turning operation in the left and right direction, or only one of them is operated. The lever-type operation unit can be subjected to both a tilting operation in the vertical direction and a rotating operation in the horizontal direction,
One of the tilting operation and the turning operation constitutes this operation for changing the water stoppage state of the faucet,
5. The faucet according to claim 3, wherein the other of the tilting operation and the turning operation constitutes an empty operation for maintaining the water stoppage state of the faucet. . A predetermined temperature control means is disposed outside the faucet body and on the primary side of the inflow channel on the hot water side,
The faucet according to any one of claims 1 to 5, wherein hot water whose temperature is controlled in advance to a desired temperature by the temperature adjusting means flows into the inflow passage on the hot water side.

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