CN2386093Y - Hydraulic rail-type cistern fittings - Google Patents

Abstract

The utility model discloses a hydraulic rail-type water tank fitting which is composed of a hydraulic water inflow valve and a rail-type water discharge valve which are communicated by a water replenishing pipe, and the hydraulic rail-type water tank fitting comprises a valve body, a valve core, a secondary valve, a floating drum, a floating ball, a water inflow pipe, a water outflow pipe, a water overflow pipe, etc., wherein the water inflow and the water seal of the water inflow valve are controlled by using water pressure, and a water-discharge sealing rubber ring is driven to open or close by that the water overflow pipe makes the upward and downward movement along a rail of a support frame through the water discharge valve. Therefore, the utility model achieves the purpose of discharging or sealing water, has reliable water seal, prevents the water from being polluted in the secondary backflow, avoids bad odor from overflowing and is widely suitable for closet water tanks.

Description

Hydraulic pressure rail mounted cistern fittings

The utility model relates to a kind of improved cistern fittings, particularly the hydraulic pressure rail mounted cistern fittings of being made up of fluid pressure type water intaking valve and rail mounted draining valve that is applicable to toilet seat water tank.

The utility model applies to the hydraulic control principle in the cistern fittings, it is the technology of an innovation, it is compared with traditional cistern fittings of being made up of float-ball type water intaking valve and turnover plate type draining valve, have tangible progressive part: the fluid pressure type water intaking valve has the outlet pipe of a special use on the water inlet pipe next door, floating drum is on track is done with the outlet pipe, move down, owing to be the hydraulic pressure water shutoff, therefore, hydraulic pressure size no matter, height of water level during its water shutoff is accurately constant, and the confining pressure during water shutoff is greater than water pressure, and hydraulic pressure is high more, its confining pressure is big more, and the water shutoff performance is reliable more; And the float-ball type water intaking valve because of its structure usually by water inlet pipe, lever and ball float constitute, so the pressure of water shutoff just equals water pressure, according to lever principle, when water pressure rises, untouched water state is destroyed, and promptly Ci Shi water pressure is greater than the confining pressure of untouched water state, thereby causes and repeat water inlet, need ball float to provide bigger buoyancy with the new water pressure of contending with, therefore, when hydraulic pressure was unstable, its water shutoff state was temporary transient, when the float-ball type water intaking valve is used in the high area of hydraulic pressure, then will do ball float greatlyyer, lever adds longlyer, the volume of corresponding increasing toilet seat water tank, thereby the water shutoff performance of float-ball type water intaking valve is stable inadequately.The rail mounted draining valve is because its overflow pipe is done upper and lower moving along the track of bearing support, drive draining O-ring seal opening and closing of fault, its drainage procedure is controlled at the crescent recess that suppresses under the ball float buoyancy function on the overflow pipe convex tendon by the ball float seat, so the position is accurate during water shutoff, the water shutoff dependable performance; And the draining of turnover plate type draining valve or water shutoff are to rely on the fulcrum of its turnover panel glue valve on overflow pipe to hold high or fall to realize, be difficult to seal exactly drainage outlet when therefore turnover panel glue valve falls, and turnover panel glue valve easy deformation, cause the water shutoff performance unreliable, and the drawback that toilet seat water tank leaks occurs.

The purpose of this utility model is that a kind of improved cistern fittings will be provided, hydraulic pressure rail mounted cistern fittings particularly, it can overcome at present employed with float-ball type water intaking valve and the combined cistern fittings of turnover plate type draining valve, exist the water shutoff performance unreliable, turnover panel glue valve easy deformation and the drawback that causes toilet seat water tank to leak.

The purpose of this utility model is achieved in that it utilizes hydraulic pressure to control the water inlet and the water shutoff of fluid pressure type water intaking valve, overflow pipe by the rail mounted draining valve is done upper and lower moving along the track of bearing support, drive draining O-ring seal opening and closing of fault, thereby reach the purpose of draining or water shutoff.

The utility model will be further described below in conjunction with accompanying drawing:

Fig. 1 is to be installed in structural representation in the toilet seat water tank according to the hydraulic pressure rail mounted cistern fittings that the utility model proposes.

Fig. 2 is overflow pipe according to the hydraulic pressure rail mounted cistern fittings that the utility model proposes view when being raised.

Fig. 3 is the cross-sectional view according to the water intaking valve O-ring seal of the hydraulic pressure rail mounted cistern fittings that the utility model proposes.

The utility model is made of fluid pressure type water intaking valve and rail mounted draining valve two parts.

In the accompanying drawings, hydraulic pressure water intaking valve in the utility model, comprise and be shaped as the approximate circle cylinder, above fluted, there is the floating drum (11) in a round hole centre, the water inlet pull bar (26) that is connected with floating drum (11), the water inlet lever (7) that is connected with water inlet pull bar (26), regulated water level at floating drum (11) side by water inlet pull bar (26) being used to of passing and just have the regulating water level card (28) that elasticity is "  " shape structure, valve body (3) connects water inlet pipe (2) and outlet passage e respectively, connect outlet pipe (10) by outlet passage e, water inlet pipe (2) is in the bottom of valve body (3), outlet pipe (10) is respectively at the side of the bottom of outlet passage e and valve body (3) and pass floating drum (11), and with being shaped as of the spool (6) that is connected of water inlet lever (7), following two ends equal diameters and greater than the stage casing diameter, valve gap (5) is installed in the top of valve body (3), water intaking valve O-ring seal (4) is arranged in the valve body (3), valve body (3) is the engagement of blade tooth formula with valve gap (5), it is epicoele c that valve gap (5) is formed a pressure chamber with water intaking valve O-ring seal (4), water intaking valve O-ring seal (4) is formed cavity of resorption d with valve body (3), and spool (6) cooperates with the centre bore of water intaking valve O-ring seal (4) forms a reversal valve.The cross section of water intaking valve O-ring seal (4) is " mountain " font, its centre bore be " in " the font structure, two ends, hole diameter is less, mid diameter is bigger, and horizontally in the centre has two small side holes.Floating drum (11) is that track is done upper and lower move with outlet pipe (10), owing to be the hydraulic pressure water shutoff, therefore, and hydraulic pressure size no matter, the height of water level during its water shutoff is accurately constant.And the projected area of water intaking valve epicoele c is greater than the area of the water inlet b of water inlet pipe (2), in the top of the outlet passage e of valve body (3) one sides that are higher than the water surface and the top of outlet pipe (10) secondary valve (8) that can prevent that the sealing secondary back pollutes is installed, the bottom of the water inlet pipe (2) that is connected with valve body (3) bottom is equipped with foreign material in the filtering water and avoids foreign material in the water to damage the strainer (1) of water intaking valve, filling pipe (9) is connected with the end of the outlet passage e of valve body (3) one sides, and communicate with the rail mounted draining valve by the socket that connects filling pipe deck (29), it can replenish the water seal water of water closet flushing back trap, and is excessive to avoid foul smell.In addition, utilize regulating water level card (28) to regulate the high and low position of floating drum (11) on water inlet pull bar (26), thereby reach the purpose of regulating the high and low and control water yield of water level.

Rail mounted draining valve in the utility model is provided with the lift bridge that is arch (12) that can regulate height at different water tanks (21) shape, lift bridge (12) is supported by the support bar (18) that is fixed on bearing support (24), length by regulating support bar (18) is to play the effect of regulating lift bridge (12) height, bearing support (24) is installed on the water-drainage base seat (23), forms the draining valve portal frame by lift bridge (12) and support bar (18).Draining button (13) contacts with push rod (14) on being installed in lift bridge (12), push rod (14) is pushed down draining lever (15) one ends, the top of the other end of draining lever (15) and draining pull bar (17) is hook joint mutually, the end of draining pull bar (17) and the centre that is installed in the rail mounted draining valve are that the overflow pipe (16) of funnel-shaped structure is connected, four convex tendons are arranged around the bottom of overflow pipe (16), wherein three convex tendons respectively with bearing support (24) in three rail grooves form guide tracked the cooperation, another convex tendon has crescent recess k to match with ball float seat (20), the bottom of overflow pipe (16) is equipped with draining O-ring seal (22), by draining balance pivot (25), in draining pull bar (17), under the interlock of draining lever (15), drive the rising or the decline of overflow pipe (16), make draining O-ring seal (22) opening and closing of fault, when draining O-ring seal (22) is opened, ball float seat (20) passes through ball float (19) under the buoyancy of water generates, suppress crescent recess k on overflow pipe (16) convex tendon, finish to guarantee draining.

Be implementation detail of the present utility model below:

Fluid pressure type water intaking valve in the hydraulic pressure rail mounted cistern fittings is connected the water source, water is from the lower port a process strainer (1) of water inlet pipe (2), enter into the b chamber by water inlet pipe (2), the state when water has just entered is: floating drum (11) hang naturally and the rail mounted draining valve in draining O-ring seal (22) the drainage outlet j of water-drainage base seat (23) is sealed.Just because of the hanging naturally of floating drum (11), make the water inlet pull bar (26) that is connected with floating drum (11) drive the water inlet lever (7) that connects therewith, by water inlet balance pivot (27) spool (6) that is connected with water inlet lever (7) is mentioned, the following stomidium of the major diameter lower end closed water intaking valve O-ring seal (4) of spool (6), the upper end hole of the minor diameter stage casing of spool (6) and water intaking valve O-ring seal (4) is matched in clearance, epicoele c communicates with atmosphere, because the suffered hydraulic pressure in the lower surface of water intaking valve O-ring seal (4) is greater than the suffered atmospheric pressure in upper surface of water intaking valve O-ring seal (4), so water intaking valve O-ring seal (4) produces elastic deformation, and left the delivery port surface of valve body (3) by hydraulic pressure jack-up, water enters into the d chamber from the b chamber, then enter into outlet passage e, and enter into water tank (21) by outlet pipe (10), water enters into the lower end of secondary valve (8) simultaneously, under the effect of hydraulic pressure, stop up the opening g of secondary valve (8) below, and there is the water of part to enter into the terminal filling pipe (9) that is connected with outlet passage e by outlet passage e, enter into the end opening i of the overflow pipe (16) of rail mounted draining valve through filling pipe (9) by h, and enter into the drainage outlet j of this valve, be in the into state of water and moisturizing this moment.When water continues to flow into, when height of water level constantly rises, floating drum (11) corresponding rising under the buoyancy of water effect, rising along with floating drum (11), drive water inlet lever (7) action by water inlet pull bar (26), by water inlet balance pivot (27), spool (6) is constantly depressed, upper end hole when the major diameter upper end closed water intaking valve O-ring seal (4) of spool (6), when the following stomidium of the minor diameter stage casing of spool (6) and water intaking valve O-ring seal (4) is matched in clearance, water enters the centre bore of water intaking valve O-ring seal (4), and enter epicoele c by two small side holes of this centre bore, because the projected area of the epicoele c of water-filling is greater than the area of water inlet b, so the suffered pressure in water intaking valve O-ring seal (4) upper surface is greater than the suffered pressure in water intaking valve O-ring seal (4) lower surface, the delivery port surface that forces water intaking valve O-ring seal (4) to be depressed and seal valve body (3) is in the water shutoff state this moment.Simultaneously, secondary valve (8) hangs under the hydraulic action naturally not having, the opening g of secondary valve (8) below communicates with atmosphere, because the cavity of resorption d of valve body (3) and outlet passage e are higher than mouth on the overflow pipe in the rail mounted draining valve (16), so outlet passage e and d chamber also communicate with atmosphere, when the water inlet pipe in the hydraulic pressure water intaking valve (2) is cut off the water supply and is produced vacuum, because the air in outlet passage e and the d chamber has overcome the siphonage of water inlet pipe (2) with the water generates of water tank (21) lining, thereby can prevent that the sealing secondary back pollutes.

When draining, press in the rail mounted draining valve and the contacted draining button of push rod (14) (13), at this moment, the corresponding push rod (14) of having depressed, by draining balance pivot (25), in push rod (14), under the interlock of draining lever (15) and draining pull bar (17), the track of overflow pipe (16) on bearing support (24) is raised, simultaneously, draining O-ring seal (22) is raised and leaves water-drainage base seat (23), ball float seat (20) at the crescent recess k that suppresses under the buoyancy of water generates on overflow pipe (16) convex tendon, at this moment, is in hull-borne by connected ball float (19).When drawdown arrives certain height, when the buoyancy of ball float (19) by water generates is not enough to allow ball float seat (20) suppress overflow pipe (16), overflow pipe (16) falls, and draining O-ring seal (22) is sealed the drainage outlet j of water-drainage base seat (23) again, and draining finishes.In the process of draining, when the floating drum in the fluid pressure type water intaking valve (11) hangs certain position naturally, by water inlet balance pivot (27), under the interlock of water inlet pull bar (26) and water inlet lever (7), spool (6) is raised again, and the upper end hole of the minor diameter stage casing of spool (6) and water intaking valve O-ring seal (4) is matched in clearance, and the water of epicoele c communicates by pressure release and with atmosphere, at this moment, repeat to intake and the process of moisturizing.

The utility model compact conformation, simple installation is applicable to high and low hydraulic pressure, water shutoff is reliable, advances, displacement is big, can regulate height of water level, can prevent that the sealing secondary back pollutes and avoids foul smell excessive, but and the foreign material in the filtered water.

Claims (6)

1, hydraulic pressure rail mounted cistern fittings, form by fluid pressure type water intaking valve that is connected by filling pipe and rail mounted draining valve, the water inlet pull bar that the fluid pressure type water intaking valve comprises floating drum, be connected with floating drum, the spool that is connected with the water inlet pull bar, spool is installed in the valve body, valve gap is installed in the top of valve body, the water intaking valve O-ring seal is arranged in the valve body, it is characterized in that pressure chamber of water intaking valve O-ring seal and valve gap composition, valve gap and valve body are the engagement of blade tooth formula, and spool cooperates with the centre bore of water intaking valve O-ring seal forms a reversal valve.

2, hydraulic pressure rail mounted cistern fittings according to claim 1, the cross section that it is characterized in that the water intaking valve O-ring seal is " mountain " font, its centre bore be " in " font, the centre in hole is horizontal to have two small side holes.

3, hydraulic pressure rail mounted cistern fittings according to claim 1 is characterized in that the floating drum side has the regulating water level card that elasticity is "  " shape structure by the connection of water inlet pull bar.

4, fluid pressure type track cistern fittings as claimed in claim 1, rail mounted draining valve wherein comprises ball float, the ball float seat that is connected with ball float, the bearing support that is connected with the ball float seat, being installed in the draining valve centre cooperates with bearing support and makes guide tracked mobile overflow pipe, it is characterized in that overflow pipe is funnel-shaped structure, around its underpart four convex tendons are arranged, wherein a convex tendon has the crescent recess.

5, hydraulic pressure rail mounted cistern fittings according to claim 1 is characterized in that bearing support is equipped with the ball float seat, is equipped with ball float on the ball float seat.

6, hydraulic pressure rail mounted cistern fittings according to claim 1 is characterized in that the rail mounted draining valve is equipped with the lift bridge of arch, and lift bridge becomes the draining valve portal frame with support bar group.