JP2009103148A - Single lever faucet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a single lever faucet capable of effectively preventing it from being used by mischief or being incorrectly used. <P>SOLUTION: The single lever faucet has a mixing valve for performing adjustment of a temperature of delivery-stop water and delivery water by sliding motion of a movable valve element relative to a fixed valve element; and a handle 98 provided with a handle base part 100 connected to the movable valve element through a connection arm 104 and a lever part 102 projected from the handle base part 100. The movable valve element is subjected to sliding motion by performing turning operation of the lever part 102. The lever part 102 is made a separate body from the handle base part 100 and can be removed/inserted relative to the handle base part 100, and the lever part 102 is made to a key for using the faucet. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a single lever faucet, and more particularly, to a single lever faucet suitable for application to an outdoor installation, an installation in a common part of an apartment house, an apartment, or the like.

  Conventionally, a mixing valve that adjusts the temperature of water discharge and water discharge by sliding movement of a movable valve body with respect to a fixed valve body, a handle base connected to the movable valve body via a connecting arm, and a lever protruding from the handle base There is widely used a single lever faucet having a handle provided with a portion and sliding a movable valve body through a handle base and a connecting arm by rotating the lever portion.

On the other hand, a faucet column with a faucet on a column that stands up upwards for the purpose of washing pets or washing equipment and other items after garden work outside the garden or garage. It is done to install.
Conventionally, it has been proposed to provide a single lever faucet as a faucet of such a faucet column.
For example, Patent Literature 1 below discloses a single lever faucet provided as a faucet in a faucet column.

However, since such a faucet column is located outdoors, there is a risk that the single lever faucet provided for this will be misused or illegally used.
These problems are not limited to faucet pillars and are common problems in faucets installed outdoors, and also in faucets installed in common areas of apartment buildings and condominiums, both indoors and outdoors. This is a possible problem.

A countermeasure against such a problem is disclosed in Patent Document 2 below.
In this device, a recess for storing a faucet is formed, a faucet is rotatably attached in a state where the handle is accommodated in the recess, and a locking device for locking the rotation of the faucet is provided.
However, the one disclosed in Patent Document 2 is different from the present invention in its configuration.

On the other hand, Patent Document 3 below discloses that the operation portion of the faucet can be detached.
However, the one disclosed in Patent Document 3 is not related to a single lever faucet, and the object to be detached is different from the present invention, which is different from the present invention.

JP 2005-120717 A JP-A-10-176350 Japanese Utility Model Publication No. 61-126166

  The present invention has been made for the purpose of providing a single lever faucet capable of effectively preventing the faucet from being used by mischief or being illegally used against the background as described above. It is.

  Thus, according to the first aspect of the present invention, (a) a mixing valve that adjusts the temperature of water discharge and water discharge by sliding movement of the movable valve body relative to the fixed valve body, and A handle base that is connected to the valve body, and a handle that includes a lever that protrudes from the handle base, and the movable portion is movable via the handle base and the connecting arm by rotating the lever. In the single lever faucet adapted to slide the valve body, the lever portion is separated from the handle base portion so that it can be inserted into and removed from the handle base portion. It is characterized by being a key.

  According to a second aspect of the present invention, in the first aspect of the present invention, there is provided a retaining mechanism for preventing the lever portion inserted into the handle base portion from coming off.

  According to a third aspect of the present invention, in the second aspect of the present invention, the retaining mechanism prevents the lever from being detached from the handle base by rotating the lever after being inserted.

  According to a fourth aspect of the present invention, in the third aspect, the lever portion has a shaft portion, a non-circular shape around the shaft center of the shaft portion, and a hook shape protruding in a direction perpendicular to the shaft from the tip portion of the shaft portion. The handle base is provided with an insertion hole in a shape corresponding to the latch, which allows the handle base to be inserted inside the handle base on the peripheral wall. After the shaft portion is inserted into the latching hole from the side of the latching portion, the latching portion is latched to the edge of the latching hole inside the peripheral wall portion by rotating the lever portion. The lever portion is prevented from being detached from the handle base portion, and the retaining mechanism includes the retaining portion, the insertion hole having a shape corresponding to the retaining portion, and the insertion in the peripheral wall portion. It is characterized by comprising at the edge of the hole.

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects, a lock mechanism that locks the handle base portion in a water-stop state is provided, and the lock mechanism extracts the lever portion from the handle base portion. In this state, the lock is activated, and the lever can be released by inserting the lever into the handle base.

  According to a sixth aspect of the present invention, in the fifth aspect of the present invention, the lock mechanism is configured to be unlocked by rotating after inserting the lever portion.

  According to a seventh aspect of the present invention, in the sixth aspect, the lock mechanism can unlock the lever portion by pushing the lever portion into the handle base against the urging force of the urging means. It is characterized by being something.

  According to an eighth aspect of the present invention, in any one of the sixth and seventh aspects, the lock mechanism has a rotatable lock piece extending from the handle base, and the lock piece is a faucet during the locking operation. Abutting on the abutting portion of the main body, the abutting action prevents the handle base from rotating in the water discharge direction from the water stop state, while the abutting action causes the abutting to be performed by rotating the lever portion inserted into the handle base. The handle base is rotated from the contact position to the retracted position in the non-contact state, and the handle base is allowed to rotate in the water discharge direction.

  According to a ninth aspect of the present invention, in the first aspect, the lever portion has a flat input portion for operating force, and the lever portion can be inserted into the handle base portion in a state where the input portion is in a vertically oriented posture. It is possible to rotate the lever portion after insertion, and the input portion assumes a horizontal horizontal posture suitable for use with a faucet.

  According to a tenth aspect of the present invention, in any one of the first to ninth aspects, the faucet column is provided outdoors.

  An eleventh aspect of the present invention is characterized in that, in the tenth aspect, the lever portion also serves as a detachable handle of a single water faucet installed together with the water faucet column.

Effects and effects of the invention

  As described above, the present invention focuses on the feature that the single lever faucet is a faucet that is used by operating the lever portion, and the lever portion of the single lever faucet is separated from the handle base portion. The lever can be inserted into and removed from the base, and the lever is a key for using the faucet. According to the present invention, the lever that is separate from the handle base is extracted from the handle base. Thus, the single lever faucet can be made unusable, and thereby it is possible to effectively prevent the single lever faucet from being misused or illegally used.

  According to the second aspect of the present invention, there is provided a retaining mechanism for preventing the lever portion inserted into the handle base portion from coming off, and in this way, when the lever portion is inserted into the handle base portion, It is possible to prevent the inconvenience that the lever part is accidentally pulled out from the handle base part, and the single lever faucet can be used as easily as a normal single lever faucet.

In this case, the retaining mechanism can be prevented from coming off from the handle base by rotating the lever portion after being inserted (Claim 3).
Further, in this case, the lever portion is provided with a shaft portion and a hook-shaped latching portion that is non-circular around the shaft center of the shaft portion and protrudes in a direction perpendicular to the shaft from the tip portion of the shaft portion. The handle base is provided with an insertion hole (as a key hole) having a shape corresponding to the latch portion on the peripheral wall portion of the handle base so that the latch portion is inserted inside the handle base portion. After inserting into the insertion hole from the side, by rotating the lever part, the latching part is latched to the edge of the insertion hole inside the peripheral wall part in the handle base part, and the lever part is prevented from coming off from the handle base part As described above, the above-described retaining mechanism can be configured by the retaining portion, the insertion hole, and the edge of the insertion hole in the peripheral wall portion (claim 4).
In this way, the lever portion retaining mechanism can be configured very easily.

  Next, a fifth aspect of the present invention provides a lock mechanism that locks the handle base in a water-stopped state, and the lock mechanism is locked when the lever is pulled out of the handle base, and the lever is attached to the handle base. According to the fifth aspect of the present invention, by pulling out the lever portion from the handle base portion, not only the lever portion can be operated but the faucet cannot be discharged. Since the handle base itself that slides the movable valve body in the valve portion is locked in the water-stopped state, misuse or unauthorized use of the single lever faucet can be more reliably prevented.

On the other hand, by inserting the lever portion, the lock mechanism can be unlocked, and the single lever faucet can be used without hindrance.
In this case, the lock mechanism can be unlocked by rotating after inserting the lever portion (claim 6).
If it does in this way, the lock mechanism which can be easily unlocked with a lever part can be constituted.

  Further, in this case, the lock mechanism can be unlocked by rotating the lever portion by pushing the lever portion into the handle base against the urging force of the urging means ( Claim 7).

Here, the lock mechanism has a rotatable lock piece extending from the handle base, and the lock piece comes into contact with the abutment portion of the faucet main body in the locking action and in the direction of water discharge of the handle base. While the rotation of the lever portion inserted into the handle base is prevented from rotating, the rotation of the handle base from the contact position to the retracted position is allowed to allow the handle base to rotate in the water discharge direction. (Claim 8).
In this way, the lock mechanism can be configured with a simple structure.

  In the present invention, the input portion of the operating force in the lever portion is formed in a flat shape, and the lever portion can be inserted into the handle base portion in a state where the input portion is in an up and down vertical posture. By rotating the lever, the lever portion can be configured so that the input portion assumes a horizontal horizontal posture suitable for use with a faucet (claim 9).

The present invention is particularly applicable to a single lever faucet provided in a faucet column installed outdoors (claim 10).
In this case, the lever portion can also be configured to serve as a detachable handle of a single faucet that is installed in the faucet column together with the single lever faucet (claim 11).
In this way, the lever part can be used as a common key and as an operation part for both the single lever faucet and the single faucet. It is also possible to prevent mischievous or unauthorized use of another single water faucet.

  Further, it is not necessary to provide a key for preventing misuse or unauthorized use in each of the single lever faucet and the single faucet, and an advantage that can be handled by a common key (lever part) can be obtained.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
In FIGS. 1 and 2, reference numeral 10 denotes a faucet column installed outdoors, and reference numeral 12 denotes a washing place having a drain port 14, and a pillar body 16 having a circular cross section stands from the back of the washing place 12.
A single faucet 18 for discharging water is provided on the side surface of the column body 16 (the right side surface as viewed from the user on the washing place 12 side).
The single faucet 18 has a faucet body 20 that projects rightward from the right side surface of the column 16, and a water discharge pipe 26 having a spout 24 projects forward from the front surface of the faucet body 20. Is provided. Here, the tip of the water discharge pipe 26 is inclined forward and downward.
The single water faucet 18 is provided at a substantially middle height position of the column body 16.

On the other hand, a hanger 30 is provided on the right side of the upper part of the column body 16 and the same side as the single faucet 18. Here, the hanger 30 is a portion that holds a pet chain, a brush, or other small items.
A shower hook 32 protrudes to the left side on the side of the column 16 substantially the same height as the hanger 30 and on the side opposite to the hanger 30, that is, on the left side as viewed from the user on the washing room 12 side. ing.
A shower head 36 having a shower spout 34 is hooked and held on the shower hook 32.
The column body 16 is also provided with a single lever faucet 35 at its upper end.

FIG. 2 specifically shows the internal structure of the column 16 and the single lever faucet 35, and FIG. 3 shows the internal structure of the single faucet 18.
As shown in FIG. 2, the column body 16 is hollow inside, and supply pipes 38 and 40 as water pipes and a supply pipe 42 as hot water pipes are accommodated in the hollow interior.
Here, the supply pipes 38, 40, and 42 are each constituted by a flexible pipe (flexible pipe). Specifically, it is composed of a flexible tube in which the outer peripheral surface of an elastic tube such as rubber is covered with a flexible metal material.

A connection member 48 is provided in a portion buried in the soil below the plug body 16, and an external water pipe and a hot water pipe (not shown) are respectively connected to the connection ports 44 and 46 of the connection member 48. Connected.
The lower end of the supply pipe 38 is connected so as to communicate with the connection port 44 of the connection member 48, and the lower end of the supply pipe 42 on the hot water side so as to communicate with the hot water connection port 46. Is connected to the connecting member 48.

A branch member 50 that branches the flow path is connected between the water-side supply pipes 38 and 40, and the water-side flow path is branched into flow paths 52 and 54 by the branch member 50. Yes.
The water supplied through the supply pipe 38 flows into the faucet body 20 in the single faucet 18 through this flow path 54, then flows into the water discharge pipe 26 side, and is discharged from the water outlet 24 at the tip.
Reference numeral 56 denotes a flow rate adjusting plug for adjusting the flow rate of water flowing through the flow path 52.

  The single lever faucet 35 for mixing the water and hot water sent upward through the supply pipes 38, 40 and 42 at a predetermined ratio to obtain temperature-controlled water at an appropriate temperature is provided at the upper end of the column 16. A mixing valve 58 is provided.

The mixing valve 58 includes a fixed valve body 64 made of a ceramic disk, and a movable valve body 66 that slides relative to the fixed valve body 64.
The fixed valve body 64 is provided with an inlet 68 for water and hot water, to which upper ends of the supply pipes 40 and 42 are respectively connected.

The fixed valve body 64 is also provided with an outlet 72, and an upper end portion of the outlet pipe 74 is connected to the outlet 72.
The mixing valve 58 causes water and hot water flowing in from the hot water inlet 68 to flow into the mixing chamber 70 of the movable valve body 66 and mix there, and the mixed water flows out from the outlet 72 to the outlet pipe 74. Let

The mixed water that has flowed out to the outflow pipe 74 flows into a flow path 75 formed inside the shower hook 32 shown in FIG. 2A, and then is guided to the shower head 36 through a shower hose 78.
The mixing valve 58 adjusts the mixing ratio of water and hot water by moving the position of the movable valve body 66, or closes one or both of the water and hot water inlets.
Thus, water discharge from the shower head 36 is stopped in a state where both the inlets are closed. That is, the water is stopped.
In addition, the inside of the column 16 is filled with a heat insulating material 86 in the space portion.

On the other hand, the single water faucet 18 has a valve body 88 as shown in FIG. 3, and the valve body 88 moves forward and backward with respect to the valve seat 92 by the rotation of the spindle 90. Yes.
Here, the spindle 90 is provided with a male screw portion 94, and when the spindle 90 is rotated, the valve body 88 is moved forward and backward by screw feed.
Reference numeral 96 denotes a driving shaft for rotationally driving the spindle 90.

1 and 2, reference numeral 98 denotes a handle in the single lever faucet 35. This handle 98 has a handle base 100 having a circular shape and a reverse cup shape, and a front side from the handle base 100 toward the washing place 12 side. And a protruding lever portion 102.
The handle base 100 is operatively connected to the movable valve body 66 in the mixing valve 58 via a connecting arm 104 as shown in FIG.

In the single lever faucet 35, the lever portion 102 is turned upward to start water discharge from the shower head 36, and the amount of water discharge is increased by increasing the amount of rotation.
On the other hand, by turning the lever portion 102 downward, the flow rate of the discharged water is reduced and finally the water is stopped.
On the other hand, by rotating the lever portion 102 to the left and right, the mixing ratio of hot water and water is changed, and the temperature of the mixed water, that is, the discharged water is adjusted.

In this embodiment, the lever portion 102 is separated from the handle base portion 100 and can be inserted into and removed from the handle base portion 100, and the lever portion 102 is a key for using the faucet.
As shown in FIG. 5, the lever portion 102 includes a flat and circular ring-shaped input portion 106 having a predetermined thickness, a shaft portion 108 protruding therefrom, and a direction perpendicular to the shaft from the tip portion of the shaft portion 108. It has a hook-shaped hooking portion 110 projecting in the shape of.
Here, the latching portion 110 has a non-circular shape around the axial center of the shaft portion 108 as a whole.

Each of the latching portion 110 and the shaft portion 108 is provided with a non-circular, here rectangular engagement hole 112 opened at the tip.
On the other hand, as shown in FIG. 6, the peripheral wall 114 of the handle base 100 is provided with a through-insertion hole 116 having a shape corresponding to the hook 110 as a key hole.

In this embodiment, as shown in FIG. 10 (I) and FIG. 11 (I), the lever portion 102 is placed in a posture in which the ring-shaped input portion 106 is vertically oriented in the vertical direction. The tip of 108 is inserted into this insertion hole 116.
Then, as shown in FIG. 11C, the lever portion 102 is rotated 90 degrees after being inserted, and more specifically, the input portion 106 is rotated until it is in a horizontal sideways posture, whereby the latching portion 110 is moved to the handle base portion. 100 is engaged with the peripheral wall portion 114 inside.
Specifically, as shown in FIG. 11C, the latching portion 110 is latched to the edge of the insertion hole 116 inside the handle base 100.
Here, the lever portion 102 is prevented from being detached from the handle base portion 100.
That is, in this embodiment, the lever portion 102 is prevented from coming off at the edge of the hook portion 110, the insertion hole 116 of the handle base 100 having a shape corresponding to the hook portion 110, and the insertion hole 116 in the peripheral wall portion 114. A retaining mechanism is configured.

As shown in FIG. 4, a shaft body 118 is rotatably attached to the handle base 100.
As shown in FIG. 7, the shaft body 118 has a circular cross section at the right end portion and the axial intermediate portion in the drawing, and these portions are circular support holes 120 provided in the handle base 100, 122 is rotatably supported.

The shaft body 118 is a lever engaging portion 124 that has a rectangular cross-section corresponding to the engagement hole 112 in the lever portion 102 on the left end side in the drawing, and is engaged with the engagement hole 112 of the lever portion 102. A portion between the support holes 120 and 122 in the handle base 100 is a lock piece engaging portion 126 that fits and engages with a lock piece to be described later. The lock piece engaging portion 126 also has a square cross section.
In the shaft body 118, when the lever portion 102 is inserted into the insertion hole 116 of the handle base portion 100, the lever engaging portion 124 is engaged and engaged with the engaging hole 112 of the lever portion 102, and then the lever As the portion 102 rotates, the shaft body 118 is rotated integrally.

As shown in FIG. 4, the handle base 100 is provided with a closing member 128 for closing the insertion hole 116 from the inside, and the closing member 128 is fitted to the shaft body 118 so as to be movable in the axial direction. At the same time, it is biased leftward in the drawing by a spring (biasing means) 130 formed of a compression coil spring, that is, in a direction to close the insertion hole 116.
Therefore, when the lever 102 is inserted into the insertion hole 116 of the handle base 100, the closing member 128 is pushed rightward in the drawing against the biasing force of the spring 130 as shown in FIG. Plug in.
And by the insertion, the engaging hole 112 and the lever engaging portion 124 of the shaft body 118 are engaged with each other in an integrally rotated state.

The lock piece 132 serves to lock the handle base 100 in a water-stopped state when the lever portion 102 is extracted from the insertion hole 116 of the handle base 100, as shown in FIG. A circular base 134 is provided, from which a contact arm 136 extends in a direction perpendicular to the axis.
In addition, a rectangular through-hole engaging hole 138 corresponding to the cross-sectional shape of the lock piece engaging portion 126 in the shaft body 118 is provided in the central portion of the base portion 134.
The lock piece 132 is engaged with and engaged with the lock piece engaging portion 126 of the shaft body 118 in the engagement hole 138, and the lock piece 132 rotates integrally with the shaft body 118. That is, the lock piece 132 is rotated integrally with the rotation of the lever portion 102.

As shown in FIGS. 4 and 9I, the lock piece 132 is configured so that the abutment arm 136 can move the abutment portion on the faucet body 146 side, here the valve cartridge, when the lever portion 102 is pulled out. The state comes into contact with a fixing nut 148 that is fixed to the housing of the faucet body 146, and the handle base 1008 is locked in a water-stopping state.
In other words, the handle base 98 is prevented from rotating in the right direction (clockwise) in the figure, and the movable valve body 66 of the mixing valve 58 slides in the water discharge start direction by the rotation of the handle base 100 in the right direction. Stop exercising.

Then, the lever portion 102 is inserted into the handle base portion 100 and then rotated by 90 degrees, so that the lock piece 132 rotates together with the shaft body 118 as shown in FIGS. 9 and 11, and the contact arm 136 is moved together. By rotating 90 degrees, the contact arm 136 is positioned at the retracted position rotated 90 degrees from the position of contact with the fixing nut 148.
In this state, the handle base 100 can be rotated in the water discharge direction for the first time.

  As shown in FIG. 9, a spring that forms one element of the click mechanism 150, here a leaf spring 152, is assembled to the handle base 100, and correspondingly, on the outer peripheral surface of the lock piece 132, 8, click grooves 140-1 and 140-2 for inserting the leaf springs 152 are provided adjacent to each other in the circumferential direction. A portion between the click grooves 140-1 and 140-2 is a wall 142.

The click mechanism 150 operates as follows.
FIG. 9I shows a state in which the contact arm 136 of the lock piece 132 is in contact with the fixing nut 148 that is the contact portion on the faucet body 146 side, and the handle base 100 is locked in the water stop state. It is in.
When the lever portion 102 is rotated in this state, the lock piece 132 is rotated 90 degrees through the shaft body 118.

At this time, the leaf spring 152 in the click mechanism 150 is over the wall 142 from the state in which the leaf spring 152 is fitted in the one click groove 140-1 in the lock piece 132 (see FIG. 9 (II)), and now the one click groove 140 is placed. -2 fits vigorously with elastic force (see Fig. 9 (III)), and a click feeling is generated there.
The feeling of cooking is transmitted to the lever portion 102 via the shaft body 118, and the user can know from the tactile sensation or the click sound at that time that the lock piece 132 has been rotated 90 degrees to the retracted position.
Further, the click mechanism 150 causes the leaf spring 152 to be fitted into the click groove 140-2 in detail, so that further rotation of the lock piece 132 is suppressed there. In other words, the positioning effect on the lock piece 132 and the lever portion 102 is exerted.

When the lever portion 102 is rotated in the reverse direction, the lock piece 132 is rotated from the state shown in FIG. 9 (III) through the state shown in FIG. 9 (II) to the state shown in FIG. 9 (I) again. It is done.
At this time, the stopper piece 144 provided in a state in which the lock piece 132 protrudes from the base portion 134 comes into contact with the inner surface of the upper wall portion of the handle base portion 100 to perform a stopper action, where the lock piece 132, the shaft body 118 and the lever portion 102. Further rotation of the is prevented.
That is, the lever portion 102 is positioned at a position where it can be extracted from the insertion hole 116.

Even when the lock piece 132 is rotated from the state shown in FIG. 9 (III) to the state shown in FIG. 9 (I), the leaf spring 152 is fitted into the click groove 140-1, and the click feeling is given there. generate.
Therefore, when the lever portion 102 is rotated to be extracted from the handle base portion 100, the click mechanism 150 and the stopper action of the stopper portion 144 provided on the lock piece 132 bring the lever portion 102 into a position where it can be extracted. You can know what has arrived.

Next, the operation of this embodiment will be described below with reference to FIGS.
FIG. 10I shows a state immediately before the lever portion 102 in the extracted state is inserted into the handle base portion 100.
At this time, the lever portion 102 is set in a posture in which the flat input portion 106 is vertically oriented.
In this state, as shown in FIG. 12 (I), with the latching portion 110 aligned with the insertion hole 116 of the handle base portion 100, the lever portion 102 is pushed rightward in the drawing, and the shaft portion 108 of the lever portion 102 is moved. The handle is inserted into the handle base 100 from the side of the latch 110.
At this time, as shown in FIG. 10 (II), the lever engaging portion 124 on the left end side in the drawing of the shaft body 118 enters the engaging hole 112 of the lever portion 102, and the lever engaging portion is engaged. The part 124 and the lever part 102 are engaged with each other, and are rotated together.

FIG. 11I shows the state at this time.
From this state, when the lever portion 102 is rotated 90 degrees as shown in FIGS. 12 (II), (III) and 11 (II), FIGS. 11 (II), (B) and (C), Further, as shown in FIG. 12 (III), the latching portion 110 of the lever portion 102 is latched to the edge portion around the insertion hole 116 of the peripheral wall portion 114 of the handle base portion 100, where the lever portion 102 is prevented from coming off the handle base 102.
At the same time, the lock piece 132 that rotates integrally with the lever portion 102 changes from the state shown in FIG. 9 (I) to the state shown in FIG. 9 (III), and the water stop lock state of the handle base 100 by the lock piece 132 is released. Thus, the handle base 100 can be rotated in the water discharge direction.

Therefore, by applying an upward turning operation force in the drawing to the lever portion 102 in which the input portion 106 assumes a horizontal horizontal posture as shown in FIG. The handle base 100 is integrated, that is, the entire handle 98 is rotated in the right direction (clockwise) in the figure, and here, the water discharge operation in the single lever faucet 35 is performed.
In this state, the lever 102 and the handle base 100, that is, the entire handle 98 rotate in the left-right direction by applying a turning operation force horizontally and horizontally to the lever 102. Here, the single lever faucet 35 The temperature adjustment operation of the water discharge is performed.

On the other hand, when the use of the single lever faucet 35 is finished, the lever portion 102 can be rotated 90 degrees in the reverse direction again to be extracted from the handle base 100.
At this time, the lock piece 132 again locks the handle base 100 in the water-stopped state, and therefore the single lever faucet 35 becomes unusable thereafter by pulling out the lever portion 102.

In the present embodiment, the lever portion 102 is also configured to serve as a detachable handle in the single faucet 18 described above.
When the lever portion 102 is attached as a handle of the single faucet 18, as shown in FIG. 3, the driving shaft portion 96 having a square cross section provided on the spindle 90 is inserted into the engagement hole 112 of the lever portion 102. The engaging portion 110 and the shaft portion 108 of the lever portion 102 are inserted into the housing of the faucet body 20 in the single faucet 18 through the insertion hole 116 so as to be fitted.

As a result, the lever portion 102 and the shaft portion 96, that is, the spindle 90, are coupled in an integrally rotated state. Therefore, when the lever portion 102 is rotated in that state, the lever portion 102 is prevented from being detached from the housing of the faucet body 20 of the single faucet 18 at that time, and the valve element 88 is moved away from the valve seat 92 by the rotation of the spindle 90. The water is discharged and the single faucet 18 is discharged.
Further, the lever portion 102 can be pulled out from the insertion hole 116 again with the single water tap 18 stopped again.

  As described above, according to the present embodiment, the single lever faucet 35 can be made unusable by pulling out the lever 102 that is a separate body from the handle base 100 from the handle base 100. Thus, it is possible to effectively prevent the single lever faucet 35 from being misused or illegally used.

  Further, in this embodiment, since a retaining mechanism for preventing the lever portion 102 inserted into the handle base portion 100 from coming off is provided, when the lever portion 102 is rotated after the handle portion 102 is inserted into the handle base portion 100, the lever is mistakenly operated. The inconvenience that the part 102 comes off from the handle base 100 can be prevented, and the single lever faucet 35 can be used as easily as a normal single lever faucet.

  In the present embodiment, since a lock mechanism for locking the handle base 100 in the water stop state is provided, the lever portion 102 is simply operated by pulling out the lever portion 102 from the handle base 100, so that the single lever faucet 35 is operated. Since the handle base 100 itself that slides the movable valve body 66 in the mixing valve 58 is locked in a water-stopped state, misuse or illegal use of the single lever faucet 35 is prevented. Can be prevented more reliably.

  On the other hand, the locking mechanism can be easily unlocked by inserting the lever portion 102 and rotating it to a usable horizontal posture, and the single lever faucet 35 can be used without any trouble.

  In the present embodiment, the locking mechanism has a rotatable locking piece 132 extending from the handle base 100, and the locking piece 132 abuts against the fixing nut 148 of the faucet body 146 during the locking operation. While the handle base 100 is prevented from rotating in the water discharge direction, the handle base 100 rotates in the water discharge direction by rotating from the contact position to the retracted position by the rotation of the lever portion 102 inserted into the handle base 100. The movement is allowed, and the lock mechanism can be configured with a simple structure.

  In the present embodiment, the lever portion 102 is also configured to serve as a detachable handle for the single faucet 18 that is installed in the faucet column 10 together with the single lever faucet 35. Both the single lever faucet 35 and the single faucet 18 can be used as a common key and as an operation part, and not only the single lever faucet 35 but also another unit provided in the faucet column 10. Mischievous use and unauthorized use of the faucet 18 can also be prevented.

  Further, the single lever faucet 35 and the single faucet 18 do not have to have separate keys for preventing misuse or illegal use, and there is an advantage that a common key (lever portion 102) can be used. It is done.

In the above-described embodiment, the closing member 128 can be configured as a release prohibiting member that prohibits unlocking in the lock mechanism.
14 and 15 show specific examples thereof.
In these drawings, the closing member 128 is formed with a flat engaging surface 154 that is cut off at the upper end, and the closing member 128 is formed on the handle base 154 in the engaging surface 154 when the lever portion 102 is pulled out. It engages with an engagement surface 158 having a corresponding shape formed on the projecting portion 156 on the 100 side, and serves as a release prohibiting member that prohibits unlocking due to rotation of the shaft body 118, that is, the lock piece 132.

  Thus, when the lever portion 102 is pushed into the handle base 98, the closing member 128 that was initially in the release-prohibited state as shown in FIGS. 14 and 15I is as shown in FIG. 15II. The lever 102 is pushed deeply into the handle base 100 to move, and the engagement surface 154 of the closing member 128 is disengaged from the engagement surface 158 on the handle base 100 side.

At this time, the unlocking prohibition state by the closing member 128 is released, and the unlocking operation of the lock piece 132 by the rotation of the shaft body 118 is allowed here.
The closure member 128 has a rectangular engagement hole 160 formed at the center thereof, and the closure member 128 engages with the lever engagement portion 124 of the shaft body 118 in the engagement hole 160, and the shaft body 118. And rotate together.
This also applies to the closing member 128 of the above embodiment shown in FIGS.

Although the embodiment of the present invention has been described in detail above, this is merely an example.
For example, the present invention is not limited to the single lever faucet provided in the faucet column described above, but various other types of single lever faucets installed outdoors or various other single lever faucets, both indoors and outdoors. The present invention can be configured in various modifications without departing from the spirit of the present invention, such as being applicable to a stopper.

It is the whole faucet pillar provided with the single lever faucet which is one embodiment of the present invention. It is principal part sectional drawing which showed the internal structure of the faucet column. It is principal part sectional drawing which showed the internal structure of the single water tap with which the water faucet column was equipped. It is principal part sectional drawing which showed the internal structure of the single lever faucet of the embodiment. It is a single-piece figure of the lever part in the embodiment. It is the perspective view which showed the relationship between the lever part and handle base in the same embodiment. It is a figure which decomposes | disassembles and shows the handle | steering_wheel in each embodiment in each component. It is a single-piece figure of the lock piece in the embodiment. It is action | operation explanatory drawing of the lock piece and click mechanism in the embodiment. It is operation | movement explanatory drawing of the embodiment. It is operation | movement explanatory drawing of the securing mechanism in the same embodiment. It is action | operation explanatory drawing of the principal part of FIG. FIG. 12 is an operation explanatory diagram following FIG. 11. It is the figure which showed the principal part of other embodiment of this invention. It is action | operation explanatory drawing of the principal part of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 faucet pillar 18 single faucet 35 single lever faucet 58 mixing valve 64 fixed valve body 66 movable valve body 98 handle 100 handle base part 102 lever part 104 connection arm 106 input part 108 shaft part 110 latching part 114 peripheral wall part 116 difference Slot 132 Lock piece 136 Contact arm 148 Fixing nut (contact part)

Claims (11)

(A) a mixing valve that adjusts the temperature of water discharge and water discharge by sliding movement of the movable valve body with respect to the fixed valve body, (b) a handle base portion connected to the movable valve body via a connection arm, and A handle provided with a lever portion protruding from the handle base, and the movable valve body is slid through the handle base and the connecting arm by rotating the lever. In the single lever faucet, the lever portion is separated from the handle base portion so that it can be inserted into and removed from the handle base portion, and the lever portion serves as a key for use of the faucet. Lever faucet.   The single lever faucet according to claim 1, further comprising a retaining mechanism for preventing the lever portion inserted into the handle base portion from coming off.   3. The single lever faucet according to claim 2, wherein the retaining mechanism prevents the lever from being detached from the handle base by rotating the lever after being inserted.   4. The lever portion according to claim 3, wherein the lever portion is provided with a shaft portion and a hook-shaped hook portion that is non-circular around the shaft center of the shaft portion and protrudes in a direction perpendicular to the shaft from the tip portion of the shaft portion. In addition, the handle base is provided with an insertion hole having a shape corresponding to the hook so that the hook is inserted into the inner wall of the handle base on the peripheral wall. After inserting into the latching hole from the side of the part, by rotating the lever part, the latching part is latched on the edge of the latching hole inside the peripheral wall part, and the lever part is The retaining base is configured to be prevented from coming off from the handle base, and the retaining mechanism includes the retaining portion, the insertion hole having a shape corresponding to the retaining portion, and the edge of the insertion hole in the peripheral wall portion. A single lever faucet characterized by   In any one of Claims 1-4, the lock mechanism which locks the handle base in a water stop state is provided, and the lock mechanism is in a lock action state in a state where the lever portion is pulled out from the handle base, A single lever faucet characterized by being able to be unlocked by inserting the lever portion into a handle base portion.   6. The single lever faucet according to claim 5, wherein the lock mechanism is configured to be unlocked by rotating after inserting the lever portion.   7. The lock mechanism according to claim 6, wherein the lock portion can be unlocked by rotating the lever portion by pushing the lever portion into the handle base against the urging force of the urging means. Single lever faucet characterized by that.   8. The lock mechanism according to claim 6, wherein the lock mechanism has a rotatable lock piece extending from the handle base, and the lock piece contacts the abutting portion of the faucet body during the locking operation. The handle base is prevented from rotating in the water discharge direction from the water-stopping state by the contact action, while the lever part inserted into the handle base is rotated from the contact action position with respect to the contact part. A single lever faucet that rotates to a retracted position in a non-contact state and allows the handle base to turn in the water discharge direction.   In claim 1, the lever portion has a flat input portion for operating force, and can be inserted into the handle base portion in a state where the input portion is in a vertically oriented posture. A single lever faucet characterized by rotating the lever portion so that the input portion assumes a horizontal lateral orientation suitable for use with the faucet.   The single lever faucet according to any one of claims 1 to 9, wherein the single lever faucet is provided in a faucet column installed outdoors.   The single lever faucet according to claim 10, wherein the lever portion also serves as a detachable handle of a single faucet installed together with the faucet column.

Images