JP4495773B1 - Valve body structure for flush valve - Google Patents

Abstract

To provide a valve body structure that can be easily used for a cleaning valve in an existing toilet cleaning tank and that can adjust the amount of water discharged, and that can easily adjust the position of a float during the adjustment.
In a valve body structure comprising a guide rod 8 joined to a flapper valve body 5 and a float 11 positioned on the guide rod 8 so as to be adjustable up and down, the guide rod 8 has a large number in the length direction. The groove 8a is disposed, the clip 8b is engaged with the groove 8a, the guide rod 8 and the float 11 are accommodated in the case 6, and the guide rod 8 includes the case 6 and the flapper valve body 5 in the vertical direction. Are pivotably joined to each other. In addition, the hollow tube 16 is suspended below the elevating valve body 14 and the guide bar 17 is guided in the hollow tube 16 so as to be movable up and down, or the elevating guide 13 in which the case 6 is fitted to the overflow tube 1. Guided ones are also provided.
[Selection] Figure 1

Description

  The present invention relates to a valve body structure in a cleaning valve having buoyancy in a toilet bowl cleaning tank.

  Techniques relating to a drain valve (wash valve) using a float that can stably adjust the amount of waste water and the amount of residual water in the toilet bowl cleaning tank are disclosed in Japanese Patent Application Laid-Open No. 2008-156899 (Patent Document 1) and Utility Model Registration No. 3088526 ( Patent Document 2) and the like have been proposed, but in each case, the float is fitted and positioned on a string body such as a ball chain or a suspension rope connected between a lever provided on a valve body and a toilet cleaning tank, The adjustment of the positioning of the float on the string is troublesome.

JP 2008-156899 A Utility model registration No. 3085526

The present invention provides a valve body structure in a washing valve that can be easily used for a washing valve in an existing toilet flushing tank and can adjust the amount of discharged water, and the position of a float can be easily adjusted during the adjustment.

The valve body structure in the cleaning valve according to claim 1 of the present invention is a valve body structure comprising a guide rod joined to the valve body and a float that is positioned on the guide rod so as to be adjustable up and down.
The guide rod is provided with a number of steps in the lengthwise direction, and a stopper is engaged with the step, the guide rod and the float are accommodated in a case, and the guide rod includes the case. It is joined to the body so that it can swing in the vertical direction.
The valve body structure in the washing valve according to claim 2 of the present invention is a valve body structure comprising a guide rod joined to the valve body, and a float that is positioned on the guide rod so as to be adjustable up and down.
The guide rod, the stopper is engaged with the stepped portion provided in multiple stages in the longitudinal direction, the guide rod and the float is accommodated in the case, the guide rod below said valve body comprises a casing hollow tube is suspended, and is joined to the valve body guide bar in the hollow tube is guided vertically movably.
The invention described in claim 3 is the valve body structure in the cleaning valve according to claim 2 ,
The case is guided by a lifting guide fitted to the overflow pipe.

According to the valve structure in the cleaning valve of the present invention, together with the float is fitted onto the guide rod, because it is housed in a case is slidably guided, on which the position adjustment of the upper and lower can be simplified smooth positioning the float guide rod all SANYO by the engagement between the step portion and the stopper, because the external force applied during repositioning the stopper does not act only directly float loaded on the guide rod, damage the float it is also not safe, further, in addition to cases guidance of the valve body of the guided valve seat lifting guide is stabilized, limiting its momentum to regulate the lowered position of the ball tap, the effect of prolonging the life of is there.

The valve body structure in the washing valve of the present invention (hereinafter simply referred to as a valve body structure) . It is a longitudinal cross-sectional view for description of the valve body structure B of this invention, and shows the maximum valve opening state shown by a virtual line from the closed state of the flapper valve body 5. The longitudinal cross-sectional view for description of the valve body structure C of this invention. The principal part fragmentary longitudinal cross-section which shows the other embodiment of the principal part of the valve body structure C. FIG. FIGS. 4A and 4B are explanatory views of the elevating guide 13, wherein FIG. 5A is a plan view of the elevating guide 13 that guides only the case 6, and FIG. 5B is a plan view of the elevating guide 13 provided with a stopper portion 13b that also serves as a guide for the case 6 and a stopper. .

  The step portion of the guide bar 8 includes a multi-step concave groove 8a engraved on the peripheral surface and a pin-like protrusion 8c projecting multi-step on the peripheral surface, and the clip 8b is engaged with the concave groove 8a. An O-ring is externally fitted and locked to the protrusion 8c. As for the raising / lowering guide 13 fitted to the overflow pipe 1, a guide having positioning means for a descent position of a ball tap for water supply is provided from a guide that only guides the case 6. There are guide rods 8 that are integral with the seat 6a of the case 6 or those that are screwed directly or indirectly to the seat 6a of the case 6. The hollow tube 16 suspended from the elevating valve body 14 is screwed into the connector 15 which is threaded onto the guide rod 8 or screwed into the boss 6c suspended on the seat 6a of the case 6 from being suspended by press fitting. A match is provided.

The valve body structure in the cleaning valve of the present invention (hereinafter simply referred to as a valve body structure) A will be described with reference to an embodiment . As shown in FIG. 1, the pivot shaft 2 disposed on the peripheral surface of the overflow pipe 1 is supported by the pivot shaft 2. The flapper valve body 5 supported by the arm 3 so as to be openable and closable on the opening surface of the funnel-shaped valve seat 4 is integrally seated on the bottom surface of the case 6 on the engagement shaft 5a standing at the center of the upper surface. A pin 7b is rotatably joined to a fork 7a of a universal joint 7 screwed to the board 6a. The guide rod 8 provided vertically in the center of the case 6 is connected to the lower end of the guide rod 8 screwed to the universal joint 7, and the upper end of the guide rod 8 is connected to a lever (not shown) provided in the toilet bowl washing tank 9. Is connected to the other end. The upper portion of the guide rod 8 is provided with a plurality of concave grooves 8a as stepped portions that are engraved on the peripheral surface at a required pitch along the length direction. The float 11 fitted to the guide rod 8 at its center hole 11a is a foam, and the outer periphery thereof is slidably fitted to the inner periphery of the case 6, and is a stopper fitted to the concave groove 8a of the guide rod 8. The upper and lower positions of the float 11 are positioned by the clip 8b as described above, and when the float 11 is positioned with respect to the guide bar 8, the clip 8b is attached to and detached from the concave groove 8a from the extraction window 6b of the case 6. If the position of the float 11 is at the upper part of the guide bar 8, water will be saved, and the amount of water discharged will increase each time the float 11 moves downward.

  In the valve body structure A thus configured, the guide bar 8 is held together with the case 6 with one hand for adjusting the amount of water discharged from the drain port 12, and the guide bar 8 is moved from the extraction window 6b of the case 6 with the other hand. Since the clip 8b can be detached from the concave groove 8a, an excessive external force is not applied to the float 11, and the position of the float 11 can be adjusted safely and easily.

  The valve body structure B will be described. As shown in FIG. 2, the flapper valve body 5 on which the support arm 3 is pivotally supported by the pivot 2 is integrated with the bottom surface of the case 6 at the engaging shaft 5a erected at the center of the upper surface. The lower end of a guide bar 8 vertically connected to the center of the case 6 is rotatably joined to a bifurcated portion 7a of a universal joint 7 screwed and connected to a boss portion 6c suspended from a seat base 6a. The bottom of the case 6 is integrally formed with the seat 6a integrally formed, and the upper end thereof is connected to the other end of the ball chain 10 whose one end is connected to a lever (not shown) provided in the toilet bowl washing tank 9 as described above. The In the upper part of the guide bar 8, pin-like projections 8c as stepped portions are arranged in multiple stages on the circumferential surface at a required pitch along the length direction, and an O-ring 8d is arranged on the circumferential surface between the projections 8c, 8c. Is attached to the guide rod 8 at its center hole 11a, and the outer periphery of the float 11 is slidably fitted to the inner periphery of the case 6, and the position of the float 11 is regulated by the protrusion 8C of the guide rod 8. At least one upper end of the float 11 is positioned by an O-ring 8d as a stopper fitted on the peripheral surface, but the protrusion 8c of the O-ring 8d can be easily climbed over the fingertip inserted through the extraction window 6b. Therefore, the float 11 can be moved up and down very easily. The more the float 11 moves away from the flapper valve body 5, the more water is saved. The closer the float 11 approaches the flapper valve body 5, the more water is discharged. The

  The valve body structure B formed in this way moves the float 11 guided to the guide rod 8 in the case 6 in the case 6 to adjust the water discharge amount, and positions the O-ring 8d at the required position of the guide rod 8, Since the float 11 is pushed up to that position and positioning is completed, the float 11 can be safely adjusted without being subjected to excessive external force during positioning.

  The valve body structure C will be described. As shown in FIG. 3, the clip portion 13c of the elevating guide 13 shown in FIG. 5A is externally fitted to the overflow pipe 1, and the case 6 is inserted into the guide hole 13a. A connector 15 is screwed into a boss portion 6c suspended from a seat 6a integral with the bottom surface of the case 6 so as to sandwich a lifting valve body 14 having a hemispherical outline under a packing 6d. 15 is threaded into the lower end of a guide bar 8 vertically disposed at the center of the case 6, and the O-ring 15 a fitted into the lower end of the female screw of the connector 15 provides water tightness at the screwed lower end of the guide bar 8. The hollow tube 16 is joined to the lower end of the guide rod 8 (either screwed or internally fitted), and the lower end of the hollow tube 16 is slightly narrowed from the inner diameter to form a small diameter portion 16a. The portion 17a is secured to the small diameter portion 16a to prevent it from coming off. The guide bar 17 is guided to the hollow tube 16 so as to be movable up and down. The guide bar 17 is disposed in the drain hole 12 of the valve seat 4 and is loosely fitted in the guide hole 12a for guiding the hollow tube 16 to the case 6. The center of is held down. As in the valve body structure A, the guide rod 8 is provided with a plurality of concave grooves 8a at a required pitch on the peripheral surface thereof, and a guide rod by a clip 8b serving as a stopper fitted into the concave groove 8a. 8 is positioned at the upper and lower sides of the float 11 fitted in the center hole 11a, and a ball chain 10 having one end connected to a lever (not shown) provided on the toilet bowl 9 at the upper end of the guide bar 8. Are connected at the other end. Then, when the float 11 is positioned with respect to the guide bar 8, the clip 8 b is attached to and detached from the concave groove 8 a from the extraction window 6 b of the case 6. The operation can be performed by holding the guide rod 8 together with the case 6 with one hand, and detaching the clip 8b with the other hand, so that an excessive external force is not applied to the float 11 and the position of the float 11 can be adjusted safely and easily. If the position of the float 11 is at the upper part of the guide bar 8, the water will be saved, and the amount of water discharged will increase each time it descends to the lower part. In addition, the raising / lowering guide 13 shown by the imaginary line attached to the upper part of the overflow pipe | tube 1 is shown in FIG.5 (b) which has the stopper part 13b, and was displayed in the position for convenience, and this thing Has the effect of reducing the momentum of the ball tap by regulating the descent position of the water supply ball tap (not shown) together with the guidance of the case 6.

  FIG. 4 illustrates another embodiment of the valve body structure C. The guide rod 8 is formed integrally with the seat base 6a of the case 6, and the hollow tube 16 is a boss in which the elevating valve body 14 is suspended from the seat base 6a. The small-diameter portion 16a disposed at the lower end of the hollow tube 16 has a structure that is screwed into a connector 15 that is screwed into the boss portion 6c so as to cooperate with the portion 6c. The head 17a of the guide bar 17 guided so as to be movable up and down on the inner periphery is supported to prevent the head from being removed. Therefore, when the elevating valve body 14 descends and approaches the valve seat 4, the guide bar 17 contacts the inner periphery of the curved pipe (not shown) of the drain port 12, but the guide bar 17 is guided by the hollow pipe 16. Thus, finally, the hollow tube 16 is guided by the guide hole 12a in the drain hole 12, seated on the valve seat 4 and closed.

  Since the valve body structure of the present invention is applied to a cleaning valve in an existing toilet cleaning tank and makes it easy to adjust the amount of water discharged, demand is expected in terms of water saving, and the idea to use water carefully is aroused. And contribute to the revitalization of the sanitary equipment industry.

1: overflow pipe 2: pivot 3: support arm 4: valve seat 5: flapper valve body 6: case 6a: seat 6b: extraction window 6c: boss 6d: packing 7: universal joint 7a: bifurcated 7b: pin 8: Guide bar 8a: Groove 8b: Clip 8c: Projection 8d: O-ring 9: Toilet bowl 10: Ball chain 11: Float 11a: Center hole 12: Drain port 12a: Guide hole 13: Lift guide 13a: Guide hole 13b : Stopper part 13c: Clip part 14: Elevating valve body 15: Connector 15a: O-ring 16: Hollow tube 16a: Small diameter part 17: Guide bar 17a: Head A to C: Valve body structure

Claims (3)

In a valve body structure comprising a guide rod joined to the valve body, and a float that is positioned on the guide rod so as to be vertically adjustable,
The guide rod is engaged with stoppers at step portions arranged in multiple stages in the length direction, the guide rod and the float are stored in the case, and the guide rod includes the case and the valve body in the vertical direction. A valve body structure in a washing valve that is joined to a rocker. In a valve body structure comprising a guide rod joined to the valve body, and a float that is positioned on the guide rod so as to be vertically adjustable,
The guide rod, the stopper is engaged with the stepped portion provided in multiple stages in the longitudinal direction, the guide rod and the float is accommodated in the case, the guide rod below said valve body comprises a casing hollow tube is suspended, the valve structure in the cleaning valve hollow tube guide bar is guided vertically movably formed by joined to the valve body. The valve body structure for a cleaning valve according to claim 2, wherein the case is guided by a lifting guide fitted to the overflow pipe.

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