JP2008185159A - Cylinder valve - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cylinder valve which is easy to attach a positioning ring for rotationally positioning a valve case in the cylinder valve for the main body of a cock, and which dispenses with a special extra member for attaching the positioning ring, and prevents the positioning ring from dropping by itself and missing when attached. <P>SOLUTION: In the cylinder valve 24, a cylinder valve body and a valve case 28 are axially fastened by a stopper ring 44. A locking pawl 88 is provided in a positioning ring 56 to rotationally position the valve case 28 for the main body 12 of the cock to axially engage with the stopper ring 44, so that the positioning ring 56 is attached to the valve case 28 by engaging the locking pawl 88 with the stopper ring 44. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a cylinder type valve having a cylindrical cylinder valve body and a cylindrical valve case on the outside thereof, and more specifically, positioning for positioning the valve case with respect to a body body of a faucet incorporating the cylinder type valve. The present invention relates to a ring having a characteristic structure.

  Conventionally, as a valve in a faucet, a cylindrical cylinder valve body is rotatably fitted in an outer cylindrical valve case, and a water passage opening is formed through each peripheral wall. A cylinder-type valve is used in which the opening of the water channel is changed by changing the position of the opening of the cylinder valve body relative to the opening of the valve case by rotating the body.

In this cylinder type valve, there is a positioning ring that is assembled between the main body of the faucet and the valve case, and for positioning the main body and the valve case in the circumferential direction, that is, in the rotational direction of the cylinder valve body. Provided.
For example, the following Patent Document 1 discloses an example of a cylinder type valve provided with such a positioning ring.

  In the one disclosed in Patent Document 1, a first engaged concave portion formed on a main body is provided with a first engaging convex portion (first engaging portion) provided on the positioning ring in a radially outward projecting state. A second engaging convex portion (second engaging portion) which is inserted in the axial direction with respect to the (first engaged portion) and engaged in the circumferential direction, and is provided in a radially inward projecting state on the positioning ring. Part) is inserted in the axial direction into the second engaged recess (second engaged part) provided in the valve case and engaged in the circumferential direction, so that the valve is inserted through the positioning ring. The case is positioned in the circumferential direction, that is, the rotational direction with respect to the main body.

  However, in this case, the first engaging convex portion is engaged with the second engaged convex portion of the main body while the second engaging convex portion of the positioning ring is aligned and engaged with the second engaged concave portion of the valve case. The positioning ring must be assembled to the body body together with the valve case so that the positioning ring is engaged with the body. If it is lost, the positioning ring and the cylinder type valve cannot be assembled to the main body.

  On the other hand, it is conceivable that the positioning ring is assembled to the valve case in the positioning state in advance, and the valve case and the positioning ring are assembled to the main body body in that state. A separate member for assembling the positioning ring is required, the number of parts increases, and the assembly structure of the positioning ring becomes complicated.

JP 2002-323153 A

  The present invention is based on the above circumstances, the positioning ring is easy to assemble, does not require a special extra member for assembling the positioning ring, and the position of the positioning ring is It is an object of the present invention to provide a cylinder type valve that can solve the problem that the positioning ring, or the cylinder type valve, cannot be assembled due to dropping of the determination ring alone or loss due to the dropping. It was made as.

  Thus, according to the first aspect of the present invention, in each of the peripheral walls of the cylindrical valve body and the cylindrical valve case outside the cylinder valve body, a water passage opening that penetrates the peripheral wall inward and outward is formed. In the cylinder type valve in which the opening of the water passage is changed by changing the position of the opening of the cylinder valve body with respect to the opening of the valve case by the rotation of the cylinder valve body with respect to the valve case. The valve body and the valve case are fixed in the axial direction by a snap ring that is elastically fitted in a fitting groove provided in the cylinder valve body and elastic in the radial direction. A first engaging portion that engages in a circumferential direction with respect to a first engaged portion formed in the main body of the body, and a second that engages in a circumferential direction with respect to a second engaged portion formed in the valve case. Engaging part, straddling the body body and valve case By mounting, the positioning ring for positioning the main body and the valve case in the circumferential direction of rotation is provided with a latching portion for axially latching the retaining ring, and the latching portion The positioning ring is assembled to the valve case by engaging the retaining ring with the retaining ring.

  According to a second aspect of the present invention, in the first aspect, the second engagement portion of the positioning ring is provided in a shape protruding in the axial direction toward the valve case side, and the second engagement portion The above-mentioned latching part is provided.

  According to a third aspect of the present invention, in the second aspect, the second engaging portion is inserted in the axial direction with respect to the concave second engaged portion formed in the valve case and is engaged in the circumferential direction. The latching portion elastically crosses the retaining ring in the axial direction when the second engaging portion is inserted into the second engaged portion, and against the retaining ring. The hooking portion is configured to be hooked in the axial direction, and the hooking portion is provided with an inclined surface that guides over the retaining ring on the distal end side in the insertion direction.

Effects and effects of the invention

  As described above, according to the present invention, the positioning ring is provided with the latching portion that latches in the axial direction with respect to the elastic retaining ring that fixes the cylinder valve body and the valve case in the axial direction. The positioning ring is assembled to the valve case by hooking it to the ring. According to the present invention, the positioning ring is assembled with the positioning ring previously positioned in the circumferential direction, that is, in the rotational direction with respect to the valve case. In this state, the first engaging portion of the positioning ring can be assembled in a state of being engaged with the first engaged portion of the main body, so that the positioning ring can be assembled very easily. To solve the problem that the positioning ring can be dropped by itself, or the positioning ring can be lost due to the dropping, and it cannot be assembled. In That.

  In the present invention, since the positioning ring is assembled to the valve case using a retaining ring for fixing the valve case and the cylinder valve body in the axial direction, the positioning ring is assembled to the valve case. There is no need to attach a separate member to the side of the valve case, and there is no problem that the number of parts increases because the positioning ring is attached to the valve case in advance. It is possible to solve the problem that the structure becomes complicated due to the attachment to the housing.

  According to a second aspect of the present invention, the positioning ring is provided with the second engaging portion protruding in the axial direction toward the valve case, and the second engaging portion includes the latching portion. According to the second aspect, since the latching portion is provided in the second engaging portion itself for positioning the positioning ring in the circumferential direction with respect to the valve case, the positioning ring is latched to the retaining ring. It is not necessary to provide the latching portion for the positioning ring separately from the engaging portion, and the positioning ring structure can be made simpler.

  In this case, the second engaging portion is inserted in the axial direction with respect to the concave second engaged portion formed in the valve case and engaged in the circumferential direction. When the second engaging portion is inserted into the second engaged portion, the retaining ring is elastically climbed over in the axial direction and is hooked in the axial direction with respect to the retaining ring. The stop portion may be provided with an inclined surface that guides the stop ring over the stop in the insertion direction (claim 3).

  If it does in this way, when the 2nd engaging part of a positioning ring is inserted and positioned in the 2nd to-be-engaged part of a valve case in the axial direction, the latching part with which the 2nd engaging part was equipped However, with the guide action of the inclined surface, it can easily move over the retaining ring, and when it gets over this, the retaining part automatically engages with the retaining ring, and the positioning ring is At the same time as positioning with respect to the valve case, the valve case is assembled.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
In FIG. 1, 10 is a faucet (in this case, a single faucet) used for a washing machine faucet, a toilet faucet, etc., and is provided in a state of protruding forward from the wall W.

Reference numeral 12 denotes a main body of the faucet 10 having a cylindrical shape. A water discharge portion 14 protrudes diagonally forward and downward from the main body 12, and a rotary handle 16 is provided on the front end side of the main body 12. .
Here, the handle 16 performs water discharge start, water stoppage, and water volume adjustment by rotating operation.
The handle 16 is provided with a protruding knob 18 at a predetermined position in the circumferential direction. Moreover, the water discharge part 14 is provided with the water discharge port 20 at the front-end | tip.

  As shown in FIGS. 2 and 3, the main body 12 is provided with a male screw pipe 21 at an axial end, and the male screw pipe 21 penetrates the wall W and protrudes to the back side. Then, a fixing nut (not shown) is screwed into the male threaded tube 21 protruding to the back side of the wall W, so that the body body 12 sandwiches the front side of the wall W with the large-diameter flange portion 23. It can be attached.

As shown in FIGS. 2 and 3, a cylinder type valve (hereinafter simply referred to as a valve) 24 for controlling the opening degree (including blocking or opening) of the water passage 22 is incorporated in the main body 14. .
The valve 24 includes a cylindrical cylinder valve body 40 that is operatively connected to the handle 16 and rotates integrally therewith, and an outer cylindrical valve case 28.

As shown in FIG. 12, the cylinder valve body 40 (specifically, a valve body 26 to be described later) has a pair of water-passing openings 30 penetrating through the peripheral wall in and out at two locations separated by 180 ° in the circumferential direction. 32 is formed.
Similarly, on the valve case 28 side, openings 34 and 36 penetrating the peripheral wall of the valve case 28 inward and outward are provided at positions corresponding to the openings 30 and 32.

  In the case of the valve 24 of this example having the cylinder valve body 40 and the valve case 28, the position of the cylinder valve body 40 is changed by rotating the handle 16, and the openings 30 and 32 of the cylinder valve body 40 are formed in the valve case 28. The water channel 22 is completely opened in a state of being completely matched with the openings 34, 36, and water sent through the water channel 22 is discharged from the water outlet 20 to the outside.

Further, the cylinder valve body 40 is rotated to a position different from the above position by the operation of the one handle 16, and the openings 30 and 32 of the cylinder valve body 40 are completely inconsistent with the openings 34 and 36 of the valve case 28. Thus, the water channel 22 is blocked, and water discharge from the water discharge port 20 is stopped (water stoppage).
Furthermore, when the openings 30 and 32 of the cylinder valve body 40 and the openings 34 and 36 of the valve case 28 overlap with each other and the overlapping area changes, the amount of water discharged from the water outlet 20 to the outside is adjusted. The

A female screw 50 is formed on the inner surface of the left end portion of the main body 12 in the figure, and a fixing ring 54 having a male screw 52 on the outer surface is screwed therein.
Then, by screwing the main body 12 of the fixing ring 54, the valve 24 is fixed to the main body 12 in the axial direction via a positioning ring 56 which will be described later, and is prevented from being removed.

The cylinder valve body 40 includes a valve shaft portion 38 assembled to the valve body 26.
The valve shaft portion 38 is formed with a narrow ring groove 42 as shown in FIGS. 4, 6, 10 and 14, and there is a retaining ring (here, elastically elastic) in the radial direction. E ring) 44 is elastically fitted.

  Then, in a state where the valve shaft portion 38 is inserted through the insertion hole 46 of the valve case 28 in the axial direction, the retaining ring 44 and a later-described large-diameter male fitting portion 90 of the valve shaft portion 38 are disposed inside the valve case 28. The valve shaft portion 38, that is, the cylinder valve body 40 is fixed and assembled to the valve case 28 in a state where the facing flange portion 48 is sandwiched in the axial direction.

As shown in FIGS. 3, 4, 6, and 8, a female thread 50 is formed on the inner surface of the left end portion of the body body 12 in the figure, and a fixing ring 54 having a male thread 52 on the outer surface thereof. Screwed.
Then, by screwing the main body 12 of the fixing ring 54, the valve 24 is fixed in the axial direction to the main body 12 via a positioning ring 56 described later, and is prevented from being removed.

4 and 5, reference numeral 58 denotes a shaft-like transmission member (made of resin here) that transmits the rotational operating force applied to the handle 16 to the valve shaft portion 38 to rotate integrally therewith. A male serration portion 60 is provided on the outer surface as shown in FIG.
On the other hand, as shown in FIG. 4, a female serration portion 62 is provided on the inner surface of the handle 18, and the female serration portion 62 is engaged with the male serration portion 60. The transmission member 58 rotates integrally with the handle 16 by the meshing of the male serration portion 60 and the female serration portion 62.

On the other hand, as shown in FIGS. 5 and 6, the transmission member 58 has a fitting hole 64 on the right end side in the figure, and is fitted to the valve shaft portion 38 in the fitting hole 64.
Under the fitted state, the fixing screw 68 is screwed into the female screw portion 66 formed at the center portion of the valve shaft portion 38, whereby the valve shaft portion 38 and the transmission member 58 are fastened in the axial direction. Yes.
As shown in FIG. 4, the valve shaft portion 38 has a substantially square shape at the left end in the drawing and is provided with a protrusion 70 protruding in a direction perpendicular to the shaft.

  On the other hand, the fitting hole 64 of the transmission member 58 fitted to this corresponds to the engagement portion 72 having a rectangular shape corresponding to the distal end portion of the valve shaft portion 38 and the protrusion 70 in the rear portion on the left side in FIG. The engaging portion 72 and the recessed groove 74 are engaged with the quadrangular tip portion of the valve shaft portion 38 and the protrusion 70 and are engaged in the rotational direction. Based on these engagements, the operation force in the rotational direction transmitted to the transmission member 58 is transmitted to the cylinder valve body 40 so that they rotate integrally.

  The positioning ring 56 is an annular member having a predetermined length in the axial direction as shown in FIGS. 4, 5, and 7, and has a diameter at two locations separated in the circumferential direction of the outer peripheral surface. The first engaging projections 76 projecting outward in the direction (first engagement portions) 76, and the pair of first engaging projections 76 is water as shown in FIGS. 4 and 8. The shaft 10 is inserted into the corresponding first engaged recess (first engaged portion) 78 formed on the inner surface of the main body 12 of the stopper 10 in the axial direction, and is engaged in the circumferential direction, that is, the rotational direction. The position of the decision ring 56 in the rotation direction with respect to the main body 12 is determined.

The positioning ring 56 also has a pair of second engaging convex portions (second engaging portions) 80 protruding in the axial direction at the same circumferential position as the first engaging convex portion 76, and these are As shown in FIGS. 4 and 9, the valve 24, more specifically, a pair of second engaged recesses (second engaged portions) 82 corresponding to the valve case 28 are inserted in the axial direction in the circumferential direction. By engaging in the rotational direction, the position of the positioning ring 56 and the valve 24 in the rotational direction is determined.
FIG. 8B shows the fully closed state of the handle 16.
That is, the assembly position in the rotational direction of the valve 24 with respect to the main body 12 is defined via the positioning ring 56.

The inner surfaces of the pair of second engaging convex portions 80 are provided with hooking claws (holding portions) 88 protruding inward in the radial direction. The hooking claws 88 allow the positioning ring 56 to be a valve. 24.
Specifically, as shown in FIG. 10, when the positioning ring 56 is pushed axially into the valve 24, the hooking claw 88 elastically climbs over the retaining ring 44 mounted in the ring groove 42 of the valve 24. Then, when the retaining claw 88 gets over the retaining ring 44, the retaining claw 88 is hooked in the axial direction with respect to the retaining ring 44. As a result, the positioning ring 56 is assembled to the valve 24.
As shown in the partially enlarged views of FIGS. 7 and 10 (II), the positioning ring 56 is pushed in the axial direction in the drawing (downward in FIG. 7) to each latching claw 88, so An inclined surface 89 is provided on the distal end side in the push-in direction when the mating convex portion 80 is inserted into the second engaged concave portion 82 of the valve case 28 in the axial direction.

The positioning ring 56 also has a pair of stopper portions that protrude radially inward at two locations on the inner surface, specifically, at two locations at the same circumferential position as the first engaging convex portion 76 on the outer surface. 84 is provided.
These stopper portions 84 function as a handle stopper portion that regulates the rotation of the handle 16 within a certain angle range.

Specifically, the transmission member 58 that transmits the operating force in the rotational direction of the handle 16 to the valve shaft portion 38 of the cylinder valve body 40 has a pair of protrusions that protrude radially outward as shown in FIGS. 11, and when the handle 16 is rotated as shown in FIG. 11, these abutment portions 86 abut against the pair of stopper portions 84 of the positioning ring 56, The rotation of the handle 16 is restricted within a certain angle range.
11A shows the fully closed state of the handle 16, and FIG. 11B shows the fully opened state of the handle 16.

  When the handle 16 is rotated in the forward direction, one of the pair of contact portions 86 of the transmission member 58 contacts one of the pair of stopper portions 84 of the positioning ring 56, and when the handle 16 is rotated in the reverse direction. The other contact portion 86 of the transmission member 58 contacts the other stopper portion 84 of the positioning ring 56.

FIGS. 12, 15 and 16 specifically show the assembly structure of the valve main body 26 and the valve shaft portion 38 in the cylinder valve body 40.
As shown in these figures, the valve shaft portion 38 made of resin is provided with a large-diameter circular male fitting portion 90 at the lower end in FIGS. 15 and 16, and this male fitting. The portion 90 is fitted into the inside of the valve body 26 made of metal from the upper opening in the drawing, and the male fitting portion 90 is fitted into the female upper portion (shaft end portion) of the valve body 26 in the drawing. The portion 92 is elastically fitted.
Here, on the outer peripheral surface of the male fitting portion 90, as shown in FIG. 15B, a pair of positioning protrusions 94 project radially outward at two locations separated by 180 ° in the circumferential direction. It is integrally formed in a state.

  On the other hand, a notch 96 having a rectangular front shape is formed in the upper end portion of the valve body 26 in the figure following the opening, and the positioning projection 94 is fitted into the notch 96 so that the valve shaft 38 and the valve body are fitted. A rotational direction position with respect to H.26 is defined.

  As shown in FIG. 17A, the metal valve body 26 is made of a drawn product obtained by drawing a metal plate 100 and punching and removing the bottom 102, The shaft end on the upper side in the drawing is curved radially inward with an equal plate thickness toward the opening until reaching the opening at the shaft end, and the inside of the curved portion is engaged with the engaging claw 98 over the entire circumference. Has been.

Here, the engaging claw 98 that protrudes inward in the radial direction has a shape that gradually decreases in diameter toward the opening at the shaft end and reaches the opening.
On the other hand, the outer surface of the curved portion forms a curved surface (R surface) 106 that gradually decreases in diameter toward the opening until reaching the opening at the shaft end (see FIG. 15C).
A flange portion 104 is formed in an annular shape over the entire circumference at the lower end of the valve body 26 in the figure.

  On the other hand, on the outer surface of the large-diameter male fitting portion 90 of the valve shaft portion 38, it protrudes radially outward at three locations separated by approximately 120 ° in the circumferential direction as shown in FIG. Engaging projections 108 are provided, and these engaging projections 108 are engaged with the engaging claws 98 of the valve body 26 in the axial direction and in the pulling direction of the valve shaft portion 38, Due to the engagement with the engagement claw 98, the valve shaft portion 38 is connected to and assembled in the axial direction with respect to the valve body 26.

As shown in FIG. 16, the engaging protrusion 108 has a longitudinal shape extending in the axial direction, and its upper end is a sharply bent corner.
On the other hand, the lower end portion in the figure is an inclined surface 110 that moves inward in the radial direction as it proceeds downward.
The outer peripheral edge at the lower end of the male fitting portion 90 is a curved surface (R surface) 112.

  In FIGS. 13 and 14, a ring 114 is mounted on the edge of the opening 36 of the valve case 28 and is made of an elastic material such as rubber that seals the space between the valve body 26 and the body body 12 of the faucet in a watertight manner. 116 is a hard constraining ring that is fitted in the inner peripheral side of the ring-shaped packing 114 and prevents deformation of the packing 114 in the centripetal direction.

In this embodiment, when assembling the valve 24 into the main body 12, the positioning ring 56 is assembled to the valve case 28 in advance as shown in FIG. 9, and the whole is inserted into the main body 12 in this state. At that time, as shown in FIG. 8, the first engaging convex portion 76 of the positioning ring 56 is inserted in the first engaged concave portion 78 of the main body 12 in the axial direction, and the first engaged concave portion is inserted. By engaging with 78 in the circumferential direction, the positioning ring 56 can be positioned in the rotational direction with respect to the main body 12.
That is, the valve 24 can be incorporated in such a state that the valve 24 is positioned in the rotational direction with respect to the main body 12 through the positioning ring 56.
Thereafter, the fixing ring 54 is screwed into the main body 12, whereby the valve 24 and the positioning ring 56 are axially fixed from the main body 12 in a state of being prevented from being removed.

  According to the present embodiment as described above, the positioning ring 56 is assembled in advance in the rotational direction with respect to the valve case 28, and the first engagement convex portion 76 of the positioning ring 56 is mounted in that state. The positioning ring 56 can be assembled in a state of being engaged with the first engaged recess of the main body 12, so that the positioning ring 56 can be assembled very easily. It is possible to solve the problem that the positioning ring 56 is lost due to the dropping of the 56 alone or the positioning ring 56 is lost due to the dropping.

  Further, the positioning ring 56 is assembled to the valve case 28 by using a retaining ring 44 for fixing the valve case 28 and the cylinder valve body 40 in the axial direction. It is not necessary to attach a separate member to the side of the valve case 28 for assembling to the valve case 28, and there is no problem that the number of parts increases because the positioning ring 56 is attached to the valve case 28 in advance. Further, since the positioning ring 56 is attached to the valve case 28, the problem that the structure becomes complicated can be solved.

  Further, since the second engaging projection 80 for positioning the positioning ring 56 in the rotational direction with respect to the valve case 28 is provided with a latching claw 88, the positioning ring 56 is latched to the retaining ring 44. It is not necessary to provide the latching part for the positioning ring 56 separately from the second engaging convex part 80, and the structure of the positioning ring 56 can be made simpler. .

  Further, the latching claw 88 provided in the second engagement convex portion 80 is provided with an inclined surface 89 for getting over and guiding the retaining ring 44 on the distal end side in the insertion direction, so that the second engagement convexity of the positioning ring 56 is provided. When the portion 80 is inserted and positioned in the second engaged recess 82 of the valve case 28 in the axial direction, the hooking claw 88 is easily moved over the retaining ring 44 by the guide action of the inclined surface 89. In addition, the hooking claw 88 can be automatically hooked on the snap ring 44 when it is overcome.

  Although the embodiment of the present invention has been described in detail above, in the present invention, the first engagement portion is configured in a concave shape, the first engaged portion is configured in a convex shape, or the second engagement portion is configured in a concave shape. It is possible to form the second engaged portion in a convex shape, and the cylinder type valve of the present invention is not only a single water tap but also a two-handle type hot water / water mixing tap and various other taps. For example, the present invention can be applied in various forms without departing from the spirit of the present invention.

It is a figure which shows the faucet incorporating the cylinder type valve of one Embodiment of this invention in an external appearance state. It is a plane sectional view of the faucet of FIG. It is side surface sectional drawing of the water tap of FIG. It is the perspective view which exploded and showed the cylinder type valve of the embodiment with the faucet. It is the perspective view which showed each component of FIG. 4 from another direction. It is side surface sectional drawing of each component shown in FIG.4 and FIG.5. It is a single item figure of the positioning ring in the cylinder type valve of the embodiment. It is the figure which showed the assembly | attachment relationship of the positioning ring of FIG. 7, the main body of a faucet, and a transmission member. It is the figure which showed the positioning structure of the positioning ring and valve case of FIG. It is the figure which showed the assembly structure of the positioning ring and valve case of FIG. FIGS. 8A and 8B are action explanatory views showing a rotation restricting action on the handle of the positioning ring of FIG. 7, in which FIG. 7A shows a fully closed state and FIG. It is the figure which showed the cylinder type valve | bulb of the same embodiment in the assembly | attachment state single-piece | unit. It is the perspective view which decomposed | disassembled and showed the cylinder type valve of FIG. 12 to the valve case and the cylinder valve body. It is the perspective view which decomposed | disassembled the cylinder type valve | bulb of FIG. 12 into the valve case and the cylinder valve body, and showed it in the direction different from FIG. It is the figure which showed the assembly structure of the valve main body and valve stem part of the cylinder valve body in the cylinder type valve of the embodiment. It is sectional drawing of the cylinder valve body shown in the state which assembled | attached the valve main body and valve stem part of FIG. It is the figure which showed the principal part of the manufacturing process of the valve main body in the cylinder valve body of FIG.15 and FIG.16.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Water tap 12 Body body 22 Water channel 24 Cylinder type valve 28 Valve case 30,32,34,36 Opening 40 Cylinder valve body 42 Ring groove 44 Retaining ring 56 Positioning ring 76 1st engagement convex part (1st engagement part) )
78 First engaged recess (first engaged portion)
80 Second engaging projection (second engaged portion)
82 Second engaged recess (second engaged portion)
88 Claw 89 Slope

Claims (3)

A cylindrical valve body and a cylindrical valve case outside the cylinder valve body are provided with openings for passing water through the peripheral wall in and out of the cylindrical valve case, and the cylinder valve body with respect to the valve case. In the cylinder type valve that changes the position of the opening of the water passage by changing the position of the opening of the cylinder valve body with respect to the opening of the valve case, the cylinder valve body and the valve case are connected to the cylinder valve. A first engaged portion formed on a body body of a water faucet that is fixed in an axial direction by a retaining ring having elasticity in a radial direction and elastically fitted in a fitting groove provided in the body. A first engagement portion that engages in a circumferential direction with respect to the second engagement portion, and a second engagement portion that engages in a circumferential direction with respect to a second engaged portion formed in the valve case. By being mounted across the case, A positioning ring that positions the body body and the valve case in the circumferential direction of rotation is provided with a latching portion that latches the retaining ring in the axial direction, and the latching portion is hooked on the retaining ring. A cylinder type valve characterized in that the positioning ring is assembled to the valve case by stopping.   In Claim 1, The said 2nd engaging part of the said positioning ring is provided in the shape which protrudes in an axial direction toward the said valve case side, The said latching part is provided in this 2nd engaging part. Cylinder type valve characterized by that.   In Claim 2, The said 2nd engaging part shall be inserted in the said axial direction with respect to the said recessed 2nd to-be-engaged part formed in the said valve case, and shall be engaged in the said circumferential direction. The latching portion elastically climbs over the retaining ring in the axial direction and latches in the axial direction with respect to the retaining ring when the second engaging portion is inserted into the second engaged portion. A cylinder type valve characterized in that the latching portion is provided with an inclined surface for getting over and guiding the retaining ring on the distal end side in the insertion direction.

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