CN2579978Y

CN2579978Y - Strain packing cup delay flushing valve

Info

Publication number: CN2579978Y
Application number: CN 02244691
Authority: CN
Inventors: 刘星良; 刘影棠
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-11-08
Filing date: 2002-11-08
Publication date: 2003-10-15
Anticipated expiration: 2012-11-08

Abstract

The utility model provides a strain leather bowl delay flushing valve used for urination flushing and defecation flushing in a toilet. The utility model is characterized in that a floatable concave-convex strain leather bowl is arranged on a water inlet and draining valve seat; the floatable concave-convex strain leather bowl is in the shape of a circular concave rubber part; a damping hole mouth is inserted in the center of the leather bowl; a swirl shaft is arranged at the hole core of the damping hole mouth to ensure the selfpurging of a damping hole, thereby, the utility model is more suitable for regions of poor and hard water quality; the center of the surface of a valve cover in an irregular shape is provided with a pressure relief button. The utility model which is automatically sealed using water pressure has the advantages of sensitive opening and closing, long service life, unique bi-directional sealing and no water leakage. The utility model with especially reliable sealing performance is more suitable for saving water in flushing. The strain leather bowl delay flushing valve which replaces a traditional piston type delay mechanism can be molded by metal or plastic to greatly reduce manufacturing cost. The strain leather bowl delay flushing valve is widely used in households, institutions, hotels and public places to effectively save water resource.

Description

Strain leather cup time-delay flushing valve

(1) technical field:

The utility model relates to washroom excrements flushing delay self-closing valve.

(2) background technology:

Existing delay self-closing valve, structure is made piston-like with the flap of sealing valve port usually, one end sealing valve port, the other end can slide in a cylinder chamber, has a damping hole to communicate with water service pipe in the cylinder chamber, have an aperture to communicate with gutter on the piston, aperture sealing when not washing by water is full of water and equates with feed pressure in the cylinder chamber, flap is pushed against on valve port, during bath, as long as the short time is opened aperture, water is by pressure release in the cylinder chamber, piston is boosted LAP by feed pressure, and valve is opened.Aperture water filling in the cylinder chamber simultaneously promotes piston stroke and moves down, and time-delay is close port extremely again.Its shortcoming is that structure is complicated, and fluid sealant spare is many, and the core that must adopt---piston, cylinder sleeve need be made material and will get well, technological requirement height, essence, cost height, and the inconvenient maintenance of easily leaking.

(3) summary of the invention:

The purpose of this utility model is intended to overcome the above-mentioned shortcoming of existing time-delay valve, provides a kind of simple in structure, and sealing is reliable, operation is light, long service life, strain leather cup delay-self-closing flushing valve with low cost.

The purpose of this utility model is that the hydroecium volume by the strain leather cup changes and establishes tradition time-delay valve barrel chamber stroke, and utilize the strain leather cup to float concavo-convexly to replace former piston and close lobe, finish normally closed, open bath, delay-self-closing, this technical scheme realizes, its formation comprises: advance, drain valve seat, strain leather cup assembly, the whole tortoise lid of abnormity, it is characterized in that describedly advancing, drain valve seat, its water inlet pipe mouth, outer silk is rotated with in from inlet channel, the protruding in the form of a ring circle of the water inlet valve port at center, valve port annular seal place build-in " O " type cushion rubber, the oblique in the form of a ring recessed wide groove of draining inner chamber, the peripheral water inlet of its ditch inner edge valve port, groove outer circumferential edge bead place is the spacing ring washer of porous that " L " circular step supplies to fix a similar vegetable dish shape between the ring width groove and opens circular hole at the center, lay the strain leather cup above it, at described water-inflow and drain valve seat, big hole is dug in the front, the edge is fixedly strain cup packing edge of " L " ring-shaped step, and described strain leather cup assembly is the rubber parts of the similar smooth vegetable dish shape of circular concave, its central point rivet clasp damping hole mouth, insert the vortex axonometer at described damping hole front end, and can rotate flexibly, damping hole mouth rear end is then established a circle flat grooves and is installed low hydraulic pressure spring, the whole tortoise lid of described abnormity, comprise the circular lid that the back side is corresponding with the water-inflow and drain valve seat, hollow out a circle concavity hydroecium in the lid, and in central circular hole, establish the "T"-shaped valve rod of pressure release, its back-moving spring and low hydraulic pressure spring are common elements, and described special-shaped tortoise lid can be rounded, square, oval, fan-shaped, peach shape; Flush button is installed at described tortoise lid front center position and the interlock relief valve constitutes.

The utility model operating principle is as follows:

When the strain leather cup smooth in the water inlet valve port, it is normally closed shape, when not washing by water, the sealing of sluicing aperture, be full of its pressure of water in the strain leather cup hydroecium and equate to hydraulic pressure, lean on water pressure self-closing, the strain leather cup is tight against on the valve port of water inlet, need only the of short duration pressure release aperture of opening of start button during bath, this pressure relief opening communicates with gutter.Water in the hydroecium is by pressure release, the pressure that strain this moment leather cup is fed water, and to float protruding in inclined to one side hydroecium one side comprehensively.The flap opening water discharge that is equivalent to strain leather cup central authorities like this, feed water simultaneously through the damping hole mouth at strain leather cup center, slowly water filling in hydroecium, make the strain leather cup begin slowly to be partial to water inlet, need point out: conventional piston formula time-delay valve, by the piston stroke time-delay, and the strain leather cup, because of having certain area of a circle, being equivalent to has an amount of volume in the hydroecium, when damping hole continues water filling, because strain leather cup middle part is subjected to the pressure from water inlet, strain leather cup hydroecium one side can not be parallel protruding in opposite side, but at first from slowly protruding peritropous low hydraulic pressure zone, the edge of hydroecium inboard, be pushed into the spacing ring washer of porous.Guaranteed the spacing of strain leather cup central part therebetween, to satisfy the requirement of flushing the toilet of big flow water inlet with the water inlet valve port.Then leather cup continues to be subjected to the hydraulic pressure strain protruding in the centre, utilizes hydraulic pressure to be close to into the water valve port and to finish the delay-self-closing operating mode of once washing by water to closing automatically again, and time-delay length depends on the ratio in hydroecium volume and damping aperture.

The utility model compared with prior art has following advantage:

One, the strain leather cup replaces former piston mechanism, and is simple and reliable, and the sealing valve port adopts the bidirectional flexible sealing, to high hydraulic pressure and special low hydraulic pressure good seal, stops to leak, and avoided the waste of water resource.

Two, along with the abandoning of component such as conventional piston and cylinder sleeve, eliminated piston packing ring friction factor and wearing and tearing, new valve is sensitiveer.Manufacturing materials is more extensive, metal, plastics all can, reduce manufacturing cost significantly.

Three, damping hole adopts the vortex axle to rotate from clear little hole path, and it is more accurate to delay time: more reliable, and water water quality inferiority in comprising, the hard region of water quality more can adapt to, the whole fault-free life-span multiplication of above-mentioned superior valve.

(4) description of drawings:

Fig. 1: strain leather cup time-delay flushing valve elevation

Fig. 2: be the A-A view of Fig. 1

Fig. 3: the spacing ring washer view of porous

Fig. 4: strain leather cup draining station view

Fig. 5: leather cup strain path view

(5) specific embodiment:

Below in conjunction with drawings and Examples the utility model is described in further details:

Be rotated with in from inlet channel referring to the outer silk of Fig. 1-2 water-inflow and drain valve seat 2, when normally closed, be full of water in the hydroecium 5, its pressure equates with feedwater, makes the smooth water inlet valve port 11 in strain leather cup 1 middle part, is tight against " O " type cushion rubber 12, form two-way rubber and be the sealing anchor ring, promptly with gentle to gentle, but not the gentle corresponding sealing surface of steel, this is more superior to high hydraulic pressure and special low hydraulic pressure sealing tap water performance.Fix the spacing ring washer 4 of porous (referring to Fig. 3) 14 of the oblique recessed wide groove draining inner chambers of ring-type, limit strain leather cup 1 and in certain scope, float, tired in order to avoid distortion is excessive.At strain leather cup 1 center rivet clasp damping hole mouth 6, its Kong Xinyu feedwater communicates, damping hole is easily adhered to by rust deposite, and impurity stops up and the normal use of influence, thereby in its aperture, insert a vortex needle shaft 8, allow the vortex axle under flow action, rotate flexibly, can prevent from for a long time to stop up, because of floating of strained leather cup 1, this vortex needle shaft 8 is done relatively radially in damping hole, and string moves, make simultaneously axial rotation again, bath is each time used all and can be done meticulously from clear to damping hole 6, and reaches accuracy, the stability of time-delay.The region that water quality inferiority, water quality are hard is particularly important.Change the needle shaft of different-diameter and can adjust the delay-self-closing time.Of short duration start button 13 when needing draining makes relief valve 9 pressure releases.The water of hydroecium 5 is through spilled water hole 7 diffluences.The pressure that the leather cup of strain simultaneously 1 is fed water overcomes the power of hanging down hydraulic pressure spring 10, and to float protruding in inclined to one side hydroecium 5 one sides comprehensively, forms the draining station (referring to Fig. 4) of valve port 11.Back-moving spring 10 recovers relief valve 9 closes, and need explanation: spring 10 had both been served as relief valve 9 and resetted, and served as strain leather cup 1 again when hanging down hydraulic pressure, guaranteed to be tight against the sealing function of " O " shape cushion rubber 12.From the valve port 11 of water inlet by opening, through the spacing ring washer 4 of porous, many apertures of its disc are to draining inner chamber 14, import gutter 15 baths, feedwater is simultaneously passed through damping hole 6 to slowly water filling of hydroecium 5, at first protruding in the spacing ring washer 4 of porous from strain leather cup 1 disc circumferential strain, draining strain station shown in (referring to Fig. 5), the protruding water inlet valve port 11 of strain gradually then to the center, its process is because valve port 11 pressure are intake greater than periphery in strain leather cup 1 central authorities, and hydraulic pressure can only at first act on the leather cup strain in relatively low pressure zone.Utilize hydraulic pressure to closing into water automatically again at last, finish one-shot, the operating mode of bath delay-self-closing.Connecting fixing bolt 16 is solidified as a whole the whole tortoise lid 3 of abnormity with water-inflow and drain valve seat 2.

Claims

1, strain leather cup time-delay flushing valve, comprise into, drain valve seat, strain leather cup assembly, the whole tortoise lid of abnormity, it is characterized in that describedly advancing, drain valve seat, its water inlet pipe mouth, outer silk is rotated with in from inlet channel, the protruding in the form of a ring circle of the water inlet valve port at center, valve port annular seal place build-in " O " type cushion rubber, the oblique in the form of a ring recessed wide groove of draining inner chamber, the peripheral water inlet of its ditch inner edge valve port, groove outer circumferential edge bead place is the spacing ring washer of porous that " L " circular step supplies to fix a similar vegetable dish shape between the ring width groove and opens circular hole at the center, lay the strain leather cup above it, at described water-inflow and drain valve seat, big hole is dug in the front, the edge is fixedly strain cup packing edge of " L " ring-shaped step, described strain leather cup assembly, rubber parts for the similar smooth vegetable dish shape of circular concave, its central point rivet clasp damping hole mouth, insert the vortex axonometer at described damping hole front end, and can rotate flexibly, damping hole mouth rear end is then established a circle flat grooves and is installed low hydraulic pressure spring, and the whole tortoise lid of described abnormity comprises the circular lid that the back side is corresponding with the water-inflow and drain valve seat, hollow out a circle concavity hydroecium in the lid, and in central circular hole, establish the "T"-shaped valve rod of pressure release, and its back-moving spring and low hydraulic pressure spring are common elements, described special-shaped tortoise lid can be rounded, square, oval, fan-shaped, peach shape; Flush button is installed at described tortoise lid front center position and the interlock relief valve constitutes.

2, valve is washed in strain leather cup according to claim 1 time-delay, it is characterized in that strain leather cup center establishes the damping hole mouth, interts in the hole and utilizes the revolvable axonometer of current, exempts to net anti-blocking.